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version 1.202, 2004/06/29 14:56:32
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version 1.286, 2005/06/24 18:00:55
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Line 46 use Authen::Krb5;
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Line 46 use Authen::Krb5;
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| use lib '/home/httpd/lib/perl/'; |
use lib '/home/httpd/lib/perl/'; |
| use localauth; |
use localauth; |
| use localenroll; |
use localenroll; |
| |
use localstudentphoto; |
| use File::Copy; |
use File::Copy; |
| use LONCAPA::ConfigFileEdit; |
use LONCAPA::ConfigFileEdit; |
| use LONCAPA::lonlocal; |
use LONCAPA::lonlocal; |
| use LONCAPA::lonssl; |
use LONCAPA::lonssl; |
| |
use Fcntl qw(:flock); |
| |
|
| my $DEBUG = 11; # Non zero to enable debug log entries. |
my $DEBUG = 0; # Non zero to enable debug log entries. |
| |
|
| my $status=''; |
my $status=''; |
| my $lastlog=''; |
my $lastlog=''; |
| |
|
| my $VERSION='$Revision$'; #' stupid emacs |
my $VERSION='$Revision$'; #' stupid emacs |
| my $remoteVERSION; |
my $remoteVERSION; |
| my $currenthostid; |
my $currenthostid="default"; |
| my $currentdomainid; |
my $currentdomainid; |
| |
|
| my $client; |
my $client; |
| my $clientip; # IP address of client. |
my $clientip; # IP address of client. |
| my $clientdns; # DNS name of client. |
|
| my $clientname; # LonCAPA name of client. |
my $clientname; # LonCAPA name of client. |
| |
|
| my $server; |
my $server; |
|
Line 71 my $thisserver; # DNS of us.
|
Line 72 my $thisserver; # DNS of us.
|
| |
|
| my $keymode; |
my $keymode; |
| |
|
| |
my $cipher; # Cipher key negotiated with client |
| |
my $tmpsnum = 0; # Id of tmpputs. |
| |
|
| # |
# |
| # Connection type is: |
# Connection type is: |
| # client - All client actions are allowed |
# client - All client actions are allowed |
|
Line 90 my %managers; # Ip -> manager names
|
Line 94 my %managers; # Ip -> manager names
|
| my %perlvar; # Will have the apache conf defined perl vars. |
my %perlvar; # Will have the apache conf defined perl vars. |
| |
|
| # |
# |
| |
# The hash below is used for command dispatching, and is therefore keyed on the request keyword. |
| |
# Each element of the hash contains a reference to an array that contains: |
| |
# A reference to a sub that executes the request corresponding to the keyword. |
| |
# A flag that is true if the request must be encoded to be acceptable. |
| |
# A mask with bits as follows: |
| |
# CLIENT_OK - Set when the function is allowed by ordinary clients |
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# MANAGER_OK - Set when the function is allowed to manager clients. |
| |
# |
| |
my $CLIENT_OK = 1; |
| |
my $MANAGER_OK = 2; |
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my %Dispatcher; |
| |
|
| |
|
| |
# |
| # The array below are password error strings." |
# The array below are password error strings." |
| # |
# |
| my $lastpwderror = 13; # Largest error number from lcpasswd. |
my $lastpwderror = 13; # Largest error number from lcpasswd. |
|
Line 104 my @passwderrors = ("ok",
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Line 122 my @passwderrors = ("ok",
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| "lcpasswd Cannot set new passwd.", |
"lcpasswd Cannot set new passwd.", |
| "lcpasswd Username has invalid characters", |
"lcpasswd Username has invalid characters", |
| "lcpasswd Invalid characters in password", |
"lcpasswd Invalid characters in password", |
| "11", "12", |
"lcpasswd User already exists", |
| "lcpasswd Password mismatch"); |
"lcpasswd Something went wrong with user addition.", |
| |
"lcpasswd Password mismatch", |
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"lcpasswd Error filename is invalid"); |
| |
|
| |
|
| # The array below are lcuseradd error strings.: |
# The array below are lcuseradd error strings.: |
|
Line 127 my @adderrors = ("ok",
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Line 147 my @adderrors = ("ok",
|
| "lcuseradd Password mismatch"); |
"lcuseradd Password mismatch"); |
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|
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|
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|
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# |
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# Statistics that are maintained and dislayed in the status line. |
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# |
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my $Transactions = 0; # Number of attempted transactions. |
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my $Failures = 0; # Number of transcations failed. |
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|
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# ResetStatistics: |
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# Resets the statistics counters: |
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# |
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sub ResetStatistics { |
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$Transactions = 0; |
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$Failures = 0; |
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} |
| |
|
| #------------------------------------------------------------------------ |
#------------------------------------------------------------------------ |
| # |
# |
| # LocalConnection |
# LocalConnection |
|
Line 142 my @adderrors = ("ok",
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Line 177 my @adderrors = ("ok",
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| # $initcmd - The full text of the init command. |
# $initcmd - The full text of the init command. |
| # |
# |
| # Implicit inputs: |
# Implicit inputs: |
| # $clientdns - The DNS name of the remote client. |
|
| # $thisserver - Our DNS name. |
# $thisserver - Our DNS name. |
| # |
# |
| # Returns: |
# Returns: |
|
Line 151 my @adderrors = ("ok",
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Line 185 my @adderrors = ("ok",
|
| # |
# |
| sub LocalConnection { |
sub LocalConnection { |
| my ($Socket, $initcmd) = @_; |
my ($Socket, $initcmd) = @_; |
| Debug("Attempting local connection: $initcmd client: $clientdns me: $thisserver"); |
Debug("Attempting local connection: $initcmd client: $clientip me: $thisserver"); |
| if($clientdns ne $thisserver) { |
if($clientip ne "127.0.0.1") { |
| &logthis('<font color="red"> LocalConnection rejecting non local: ' |
&logthis('<font color="red"> LocalConnection rejecting non local: ' |
| ."$clientdns ne $thisserver </font>"); |
."$clientip ne $thisserver </font>"); |
| close $Socket; |
close $Socket; |
| return undef; |
return undef; |
| } |
} else { |
| else { |
|
| chomp($initcmd); # Get rid of \n in filename. |
chomp($initcmd); # Get rid of \n in filename. |
| my ($init, $type, $name) = split(/:/, $initcmd); |
my ($init, $type, $name) = split(/:/, $initcmd); |
| Debug(" Init command: $init $type $name "); |
Debug(" Init command: $init $type $name "); |
|
Line 289 sub InsecureConnection {
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Line 322 sub InsecureConnection {
|
| $answer =~s/\W//g; |
$answer =~s/\W//g; |
| if($challenge eq $answer) { |
if($challenge eq $answer) { |
| return 1; |
return 1; |
| } |
} else { |
| else { |
|
| logthis("<font color='blue'>WARNING client did not respond to challenge</font>"); |
logthis("<font color='blue'>WARNING client did not respond to challenge</font>"); |
| &status("No challenge reqply"); |
&status("No challenge reqply"); |
| return 0; |
return 0; |
|
Line 298 sub InsecureConnection {
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Line 330 sub InsecureConnection {
|
| |
|
| |
|
| } |
} |
| |
|
| # |
# |
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# Safely execute a command (as long as it's not a shel command and doesn |
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# not require/rely on shell escapes. The function operates by doing a |
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# a pipe based fork and capturing stdout and stderr from the pipe. |
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# |
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# Formal Parameters: |
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# $line - A line of text to be executed as a command. |
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# Returns: |
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# The output from that command. If the output is multiline the caller |
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# must know how to split up the output. |
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# |
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# |
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sub execute_command { |
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my ($line) = @_; |
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my @words = split(/\s/, $line); # Bust the command up into words. |
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my $output = ""; |
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|
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my $pid = open(CHILD, "-|"); |
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|
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if($pid) { # Parent process |
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Debug("In parent process for execute_command"); |
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my @data = <CHILD>; # Read the child's outupt... |
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close CHILD; |
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foreach my $output_line (@data) { |
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Debug("Adding $output_line"); |
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$output .= $output_line; # Presumably has a \n on it. |
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} |
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|
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} else { # Child process |
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close (STDERR); |
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open (STDERR, ">&STDOUT");# Combine stderr, and stdout... |
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exec(@words); # won't return. |
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} |
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return $output; |
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} |
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|
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|
| # GetCertificate: Given a transaction that requires a certificate, |
# GetCertificate: Given a transaction that requires a certificate, |
| # this function will extract the certificate from the transaction |
# this function will extract the certificate from the transaction |
| # request. Note that at this point, the only concept of a certificate |
# request. Note that at this point, the only concept of a certificate |
|
Line 337 sub isClient {
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Line 404 sub isClient {
|
| # - This allows dynamic changes to the manager table |
# - This allows dynamic changes to the manager table |
| # without the need to signal to the lond. |
# without the need to signal to the lond. |
| # |
# |
| |
|
| sub ReadManagerTable { |
sub ReadManagerTable { |
| |
|
| # Clean out the old table first.. |
# Clean out the old table first.. |
|
Line 354 sub ReadManagerTable {
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Line 420 sub ReadManagerTable {
|
| while(my $host = <MANAGERS>) { |
while(my $host = <MANAGERS>) { |
| chomp($host); |
chomp($host); |
| if ($host =~ "^#") { # Comment line. |
if ($host =~ "^#") { # Comment line. |
| logthis('<font color="green"> Skipping line: '. "$host</font>\n"); |
|
| next; |
next; |
| } |
} |
| if (!defined $hostip{$host}) { # This is a non cluster member |
if (!defined $hostip{$host}) { # This is a non cluster member |
|
Line 407 sub CopyFile {
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Line 472 sub CopyFile {
|
| |
|
| my ($oldfile, $newfile) = @_; |
my ($oldfile, $newfile) = @_; |
| |
|
| # The file must exist: |
if (! copy($oldfile,$newfile)) { |
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return 0; |
| if(-e $oldfile) { |
|
| |
|
| # Read the old file. |
|
| |
|
| my $oldfh = IO::File->new("< $oldfile"); |
|
| if(!$oldfh) { |
|
| return 0; |
|
| } |
|
| my @contents = <$oldfh>; # Suck in the entire file. |
|
| |
|
| # write the backup file: |
|
| |
|
| my $newfh = IO::File->new("> $newfile"); |
|
| if(!(defined $newfh)){ |
|
| return 0; |
|
| } |
|
| my $lines = scalar @contents; |
|
| for (my $i =0; $i < $lines; $i++) { |
|
| print $newfh ($contents[$i]); |
|
| } |
|
| |
|
| $oldfh->close; |
|
| $newfh->close; |
|
| |
|
| chmod(0660, $newfile); |
|
| |
|
| return 1; |
|
| |
|
| } else { |
|
| return 0; |
|
| } |
} |
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chmod(0660, $newfile); |
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return 1; |
| } |
} |
| # |
# |
| # Host files are passed out with externally visible host IPs. |
# Host files are passed out with externally visible host IPs. |
|
Line 620 sub PushFile {
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Line 657 sub PushFile {
|
| &logthis('<font color="red"> Pushfile: unable to install ' |
&logthis('<font color="red"> Pushfile: unable to install ' |
| .$tablefile." $! </font>"); |
.$tablefile." $! </font>"); |
| return "error:$!"; |
return "error:$!"; |
| } |
} else { |
| else { |
|
| &logthis('<font color="green"> Installed new '.$tablefile |
&logthis('<font color="green"> Installed new '.$tablefile |
| ."</font>"); |
."</font>"); |
| |
|
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Line 900 sub EditFile {
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Line 936 sub EditFile {
|
| |
|
| return "ok\n"; |
return "ok\n"; |
| } |
} |
| |
|
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#--------------------------------------------------------------- |
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# |
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# Manipulation of hash based databases (factoring out common code |
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# for later use as we refactor. |
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# |
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# Ties a domain level resource file to a hash. |
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# If requested a history entry is created in the associated hist file. |
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# |
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# Parameters: |
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# domain - Name of the domain in which the resource file lives. |
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# namespace - Name of the hash within that domain. |
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# how - How to tie the hash (e.g. GDBM_WRCREAT()). |
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# loghead - Optional parameter, if present a log entry is created |
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# in the associated history file and this is the first part |
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# of that entry. |
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# logtail - Goes along with loghead, The actual logentry is of the |
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# form $loghead:<timestamp>:logtail. |
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# Returns: |
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# Reference to a hash bound to the db file or alternatively undef |
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# if the tie failed. |
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# |
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sub tie_domain_hash { |
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my ($domain,$namespace,$how,$loghead,$logtail) = @_; |
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|
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# Filter out any whitespace in the domain name: |
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|
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$domain =~ s/\W//g; |
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|
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# We have enough to go on to tie the hash: |
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|
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my $user_top_dir = $perlvar{'lonUsersDir'}; |
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my $domain_dir = $user_top_dir."/$domain"; |
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my $resource_file = $domain_dir."/$namespace.db"; |
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my %hash; |
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if(tie(%hash, 'GDBM_File', $resource_file, $how, 0640)) { |
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if (defined($loghead)) { # Need to log the operation. |
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my $logFh = IO::File->new(">>$domain_dir/$namespace.hist"); |
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if($logFh) { |
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my $timestamp = time; |
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print $logFh "$loghead:$timestamp:$logtail\n"; |
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} |
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$logFh->close; |
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} |
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return \%hash; # Return the tied hash. |
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} else { |
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return undef; # Tie failed. |
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} |
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} |
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|
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# |
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# Ties a user's resource file to a hash. |
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# If necessary, an appropriate history |
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# log file entry is made as well. |
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# This sub factors out common code from the subs that manipulate |
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# the various gdbm files that keep keyword value pairs. |
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# Parameters: |
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# domain - Name of the domain the user is in. |
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# user - Name of the 'current user'. |
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# namespace - Namespace representing the file to tie. |
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# how - What the tie is done to (e.g. GDBM_WRCREAT(). |
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# loghead - Optional first part of log entry if there may be a |
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# history file. |
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# what - Optional tail of log entry if there may be a history |
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# file. |
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# Returns: |
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# hash to which the database is tied. It's up to the caller to untie. |
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# undef if the has could not be tied. |
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# |
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sub tie_user_hash { |
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my ($domain,$user,$namespace,$how,$loghead,$what) = @_; |
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|
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$namespace=~s/\//\_/g; # / -> _ |
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$namespace=~s/\W//g; # whitespace eliminated. |
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my $proname = propath($domain, $user); |
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|
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# Tie the database. |
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|
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my %hash; |
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if(tie(%hash, 'GDBM_File', "$proname/$namespace.db", |
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$how, 0640)) { |
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# If this is a namespace for which a history is kept, |
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# make the history log entry: |
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if (($namespace !~/^nohist\_/) && (defined($loghead))) { |
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my $args = scalar @_; |
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Debug(" Opening history: $namespace $args"); |
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my $hfh = IO::File->new(">>$proname/$namespace.hist"); |
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if($hfh) { |
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my $now = time; |
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print $hfh "$loghead:$now:$what\n"; |
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} |
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$hfh->close; |
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} |
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return \%hash; |
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} else { |
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return undef; |
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} |
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|
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} |
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|
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# read_profile |
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# |
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# Returns a set of specific entries from a user's profile file. |
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# this is a utility function that is used by both get_profile_entry and |
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# get_profile_entry_encrypted. |
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# |
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# Parameters: |
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# udom - Domain in which the user exists. |
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# uname - User's account name (loncapa account) |
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# namespace - The profile namespace to open. |
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# what - A set of & separated queries. |
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# Returns: |
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# If all ok: - The string that needs to be shipped back to the user. |
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# If failure - A string that starts with error: followed by the failure |
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# reason.. note that this probabyl gets shipped back to the |
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# user as well. |
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# |
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sub read_profile { |
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my ($udom, $uname, $namespace, $what) = @_; |
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|
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my $hashref = &tie_user_hash($udom, $uname, $namespace, |
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&GDBM_READER()); |
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if ($hashref) { |
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my @queries=split(/\&/,$what); |
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my $qresult=''; |
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|
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for (my $i=0;$i<=$#queries;$i++) { |
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$qresult.="$hashref->{$queries[$i]}&"; # Presumably failure gives empty string. |
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} |
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$qresult=~s/\&$//; # Remove trailing & from last lookup. |
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if (untie %$hashref) { |
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return $qresult; |
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} else { |
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return "error: ".($!+0)." untie (GDBM) Failed"; |
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} |
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} else { |
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if ($!+0 == 2) { |
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return "error:No such file or GDBM reported bad block error"; |
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} else { |
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return "error: ".($!+0)." tie (GDBM) Failed"; |
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} |
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} |
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|
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} |
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#--------------------- Request Handlers -------------------------------------------- |
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# |
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# By convention each request handler registers itself prior to the sub |
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# declaration: |
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# |
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|
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#++ |
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# |
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# Handles ping requests. |
| |
# Parameters: |
| |
# $cmd - the actual keyword that invoked us. |
| |
# $tail - the tail of the request that invoked us. |
| |
# $replyfd- File descriptor connected to the client |
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# Implicit Inputs: |
| |
# $currenthostid - Global variable that carries the name of the host we are |
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# known as. |
| |
# Returns: |
| |
# 1 - Ok to continue processing. |
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# 0 - Program should exit. |
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# Side effects: |
| |
# Reply information is sent to the client. |
| |
sub ping_handler { |
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my ($cmd, $tail, $client) = @_; |
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Debug("$cmd $tail $client .. $currenthostid:"); |
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|
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Reply( $client,"$currenthostid\n","$cmd:$tail"); |
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|
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return 1; |
| |
} |
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®ister_handler("ping", \&ping_handler, 0, 1, 1); # Ping unencoded, client or manager. |
| |
|
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#++ |
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# |
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# Handles pong requests. Pong replies with our current host id, and |
| |
# the results of a ping sent to us via our lonc. |
| |
# |
| |
# Parameters: |
| |
# $cmd - the actual keyword that invoked us. |
| |
# $tail - the tail of the request that invoked us. |
| |
# $replyfd- File descriptor connected to the client |
| |
# Implicit Inputs: |
| |
# $currenthostid - Global variable that carries the name of the host we are |
| |
# connected to. |
| |
# Returns: |
| |
# 1 - Ok to continue processing. |
| |
# 0 - Program should exit. |
| |
# Side effects: |
| |
# Reply information is sent to the client. |
| |
sub pong_handler { |
| |
my ($cmd, $tail, $replyfd) = @_; |
| |
|
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my $reply=&reply("ping",$clientname); |
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&Reply( $replyfd, "$currenthostid:$reply\n", "$cmd:$tail"); |
| |
return 1; |
| |
} |
| |
®ister_handler("pong", \&pong_handler, 0, 1, 1); # Pong unencoded, client or manager |
| |
|
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#++ |
| |
# Called to establish an encrypted session key with the remote client. |
| |
# Note that with secure lond, in most cases this function is never |
| |
# invoked. Instead, the secure session key is established either |
| |
# via a local file that's locked down tight and only lives for a short |
| |
# time, or via an ssl tunnel...and is generated from a bunch-o-random |
| |
# bits from /dev/urandom, rather than the predictable pattern used by |
| |
# by this sub. This sub is only used in the old-style insecure |
| |
# key negotiation. |
| |
# Parameters: |
| |
# $cmd - the actual keyword that invoked us. |
| |
# $tail - the tail of the request that invoked us. |
| |
# $replyfd- File descriptor connected to the client |
| |
# Implicit Inputs: |
| |
# $currenthostid - Global variable that carries the name of the host |
| |
# known as. |
| |
# $clientname - Global variable that carries the name of the hsot we're connected to. |
| |
# Returns: |
| |
# 1 - Ok to continue processing. |
| |
# 0 - Program should exit. |
| |
# Implicit Outputs: |
| |
# Reply information is sent to the client. |
| |
# $cipher is set with a reference to a new IDEA encryption object. |
| |
# |
| |
sub establish_key_handler { |
| |
my ($cmd, $tail, $replyfd) = @_; |
| |
|
| |
my $buildkey=time.$$.int(rand 100000); |
| |
$buildkey=~tr/1-6/A-F/; |
| |
$buildkey=int(rand 100000).$buildkey.int(rand 100000); |
| |
my $key=$currenthostid.$clientname; |
| |
$key=~tr/a-z/A-Z/; |
| |
$key=~tr/G-P/0-9/; |
| |
$key=~tr/Q-Z/0-9/; |
| |
$key=$key.$buildkey.$key.$buildkey.$key.$buildkey; |
| |
$key=substr($key,0,32); |
| |
my $cipherkey=pack("H32",$key); |
| |
$cipher=new IDEA $cipherkey; |
| |
&Reply($replyfd, "$buildkey\n", "$cmd:$tail"); |
| |
|
| |
return 1; |
| |
|
| |
} |
| |
®ister_handler("ekey", \&establish_key_handler, 0, 1,1); |
| |
|
| |
# Handler for the load command. Returns the current system load average |
| |
# to the requestor. |
| |
# |
| |
# Parameters: |
| |
# $cmd - the actual keyword that invoked us. |
| |
# $tail - the tail of the request that invoked us. |
| |
# $replyfd- File descriptor connected to the client |
| |
# Implicit Inputs: |
| |
# $currenthostid - Global variable that carries the name of the host |
| |
# known as. |
| |
# $clientname - Global variable that carries the name of the hsot we're connected to. |
| |
# Returns: |
| |
# 1 - Ok to continue processing. |
| |
# 0 - Program should exit. |
| |
# Side effects: |
| |
# Reply information is sent to the client. |
| |
sub load_handler { |
| |
my ($cmd, $tail, $replyfd) = @_; |
| |
|
| |
# Get the load average from /proc/loadavg and calculate it as a percentage of |
| |
# the allowed load limit as set by the perl global variable lonLoadLim |
| |
|
| |
my $loadavg; |
| |
my $loadfile=IO::File->new('/proc/loadavg'); |
| |
|
| |
$loadavg=<$loadfile>; |
| |
$loadavg =~ s/\s.*//g; # Extract the first field only. |
| |
|
| |
my $loadpercent=100*$loadavg/$perlvar{'lonLoadLim'}; |
| |
|
| |
&Reply( $replyfd, "$loadpercent\n", "$cmd:$tail"); |
| |
|
| |
return 1; |
| |
} |
| |
®ister_handler("load", \&load_handler, 0, 1, 0); |
| |
|
| |
# |
| |
# Process the userload request. This sub returns to the client the current |
| |
# user load average. It can be invoked either by clients or managers. |
| |
# |
| |
# Parameters: |
| |
# $cmd - the actual keyword that invoked us. |
| |
# $tail - the tail of the request that invoked us. |
| |
# $replyfd- File descriptor connected to the client |
| |
# Implicit Inputs: |
| |
# $currenthostid - Global variable that carries the name of the host |
| |
# known as. |
| |
# $clientname - Global variable that carries the name of the hsot we're connected to. |
| |
# Returns: |
| |
# 1 - Ok to continue processing. |
| |
# 0 - Program should exit |
| |
# Implicit inputs: |
| |
# whatever the userload() function requires. |
| |
# Implicit outputs: |
| |
# the reply is written to the client. |
| |
# |
| |
sub user_load_handler { |
| |
my ($cmd, $tail, $replyfd) = @_; |
| |
|
| |
my $userloadpercent=&userload(); |
| |
&Reply($replyfd, "$userloadpercent\n", "$cmd:$tail"); |
| |
|
| |
return 1; |
| |
} |
| |
®ister_handler("userload", \&user_load_handler, 0, 1, 0); |
| |
|
| |
# Process a request for the authorization type of a user: |
| |
# (userauth). |
| |
# |
| |
# Parameters: |
| |
# $cmd - the actual keyword that invoked us. |
| |
# $tail - the tail of the request that invoked us. |
| |
# $replyfd- File descriptor connected to the client |
| |
# Returns: |
| |
# 1 - Ok to continue processing. |
| |
# 0 - Program should exit |
| |
# Implicit outputs: |
| |
# The user authorization type is written to the client. |
| |
# |
| |
sub user_authorization_type { |
| |
my ($cmd, $tail, $replyfd) = @_; |
| |
|
| |
my $userinput = "$cmd:$tail"; |
| |
|
| |
# Pull the domain and username out of the command tail. |
| |
# and call get_auth_type to determine the authentication type. |
| |
|
| |
my ($udom,$uname)=split(/:/,$tail); |
| |
my $result = &get_auth_type($udom, $uname); |
| |
if($result eq "nouser") { |
| |
&Failure( $replyfd, "unknown_user\n", $userinput); |
| |
} else { |
| |
# |
| |
# We only want to pass the second field from get_auth_type |
| |
# for ^krb.. otherwise we'll be handing out the encrypted |
| |
# password for internals e.g. |
| |
# |
| |
my ($type,$otherinfo) = split(/:/,$result); |
| |
if($type =~ /^krb/) { |
| |
$type = $result; |
| |
} else { |
| |
$type .= ':'; |
| |
} |
| |
&Reply( $replyfd, "$type\n", $userinput); |
| |
} |
| |
|
| |
return 1; |
| |
} |
| |
®ister_handler("currentauth", \&user_authorization_type, 1, 1, 0); |
| |
|
| |
# Process a request by a manager to push a hosts or domain table |
| |
# to us. We pick apart the command and pass it on to the subs |
| |
# that already exist to do this. |
| |
# |
| |
# Parameters: |
| |
# $cmd - the actual keyword that invoked us. |
| |
# $tail - the tail of the request that invoked us. |
| |
# $client - File descriptor connected to the client |
| |
# Returns: |
| |
# 1 - Ok to continue processing. |
| |
# 0 - Program should exit |
| |
# Implicit Output: |
| |
# a reply is written to the client. |
| |
sub push_file_handler { |
| |
my ($cmd, $tail, $client) = @_; |
| |
|
| |
my $userinput = "$cmd:$tail"; |
| |
|
| |
# At this time we only know that the IP of our partner is a valid manager |
| |
# the code below is a hook to do further authentication (e.g. to resolve |
| |
# spoofing). |
| |
|
| |
my $cert = &GetCertificate($userinput); |
| |
if(&ValidManager($cert)) { |
| |
|
| |
# Now presumably we have the bona fides of both the peer host and the |
| |
# process making the request. |
| |
|
| |
my $reply = &PushFile($userinput); |
| |
&Reply($client, "$reply\n", $userinput); |
| |
|
| |
} else { |
| |
&Failure( $client, "refused\n", $userinput); |
| |
} |
| |
return 1; |
| |
} |
| |
®ister_handler("pushfile", \&push_file_handler, 1, 0, 1); |
| |
|
| |
# |
| |
# du - list the disk usuage of a directory recursively. |
| |
# |
| |
# note: stolen code from the ls file handler |
| |
# under construction by Rick Banghart |
| |
# . |
| |
# Parameters: |
| |
# $cmd - The command that dispatched us (du). |
| |
# $ududir - The directory path to list... I'm not sure what this |
| |
# is relative as things like ls:. return e.g. |
| |
# no_such_dir. |
| |
# $client - Socket open on the client. |
| |
# Returns: |
| |
# 1 - indicating that the daemon should not disconnect. |
| |
# Side Effects: |
| |
# The reply is written to $client. |
| |
# |
| |
sub du_handler { |
| |
my ($cmd, $ududir, $client) = @_; |
| |
my ($ududir) = split(/:/,$ududir); # Make 'telnet' testing easier. |
| |
my $userinput = "$cmd:$ududir"; |
| |
|
| |
if ($ududir=~/\.\./ || $ududir!~m|^/home/httpd/|) { |
| |
&Failure($client,"refused\n","$cmd:$ududir"); |
| |
return 1; |
| |
} |
| |
# Since $ududir could have some nasties in it, |
| |
# we will require that ududir is a valid |
| |
# directory. Just in case someone tries to |
| |
# slip us a line like .;(cd /home/httpd rm -rf*) |
| |
# etc. |
| |
# |
| |
if (-d $ududir) { |
| |
# And as Shakespeare would say to make |
| |
# assurance double sure, |
| |
# use execute_command to ensure that the command is not executed in |
| |
# a shell that can screw us up. |
| |
|
| |
my $duout = execute_command("du -ks $ududir"); |
| |
$duout=~s/[^\d]//g; #preserve only the numbers |
| |
&Reply($client,"$duout\n","$cmd:$ududir"); |
| |
} else { |
| |
|
| |
&Failure($client, "bad_directory:$ududir\n","$cmd:$ududir"); |
| |
|
| |
} |
| |
return 1; |
| |
} |
| |
®ister_handler("du", \&du_handler, 0, 1, 0); |
| |
|
| |
# |
| |
# The ls_handler routine should be considered obosolete and is retained |
| |
# for communication with legacy servers. Please see the ls2_handler. |
| |
# |
| |
# ls - list the contents of a directory. For each file in the |
| |
# selected directory the filename followed by the full output of |
| |
# the stat function is returned. The returned info for each |
| |
# file are separated by ':'. The stat fields are separated by &'s. |
| |
# Parameters: |
| |
# $cmd - The command that dispatched us (ls). |
| |
# $ulsdir - The directory path to list... I'm not sure what this |
| |
# is relative as things like ls:. return e.g. |
| |
# no_such_dir. |
| |
# $client - Socket open on the client. |
| |
# Returns: |
| |
# 1 - indicating that the daemon should not disconnect. |
| |
# Side Effects: |
| |
# The reply is written to $client. |
| |
# |
| |
sub ls_handler { |
| |
# obsoleted by ls2_handler |
| |
my ($cmd, $ulsdir, $client) = @_; |
| |
|
| |
my $userinput = "$cmd:$ulsdir"; |
| |
|
| |
my $obs; |
| |
my $rights; |
| |
my $ulsout=''; |
| |
my $ulsfn; |
| |
if (-e $ulsdir) { |
| |
if(-d $ulsdir) { |
| |
if (opendir(LSDIR,$ulsdir)) { |
| |
while ($ulsfn=readdir(LSDIR)) { |
| |
undef $obs, $rights; |
| |
my @ulsstats=stat($ulsdir.'/'.$ulsfn); |
| |
#We do some obsolete checking here |
| |
if(-e $ulsdir.'/'.$ulsfn.".meta") { |
| |
open(FILE, $ulsdir.'/'.$ulsfn.".meta"); |
| |
my @obsolete=<FILE>; |
| |
foreach my $obsolete (@obsolete) { |
| |
if($obsolete =~ m|(<obsolete>)(on)|) { $obs = 1; } |
| |
if($obsolete =~ m|(<copyright>)(default)|) { $rights = 1; } |
| |
} |
| |
} |
| |
$ulsout.=$ulsfn.'&'.join('&',@ulsstats); |
| |
if($obs eq '1') { $ulsout.="&1"; } |
| |
else { $ulsout.="&0"; } |
| |
if($rights eq '1') { $ulsout.="&1:"; } |
| |
else { $ulsout.="&0:"; } |
| |
} |
| |
closedir(LSDIR); |
| |
} |
| |
} else { |
| |
my @ulsstats=stat($ulsdir); |
| |
$ulsout.=$ulsfn.'&'.join('&',@ulsstats).':'; |
| |
} |
| |
} else { |
| |
$ulsout='no_such_dir'; |
| |
} |
| |
if ($ulsout eq '') { $ulsout='empty'; } |
| |
&Reply($client, "$ulsout\n", $userinput); # This supports debug logging. |
| |
|
| |
return 1; |
| |
|
| |
} |
| |
®ister_handler("ls", \&ls_handler, 0, 1, 0); |
| |
|
| |
# |
| |
# Please also see the ls_handler, which this routine obosolets. |
| |
# ls2_handler differs from ls_handler in that it escapes its return |
| |
# values before concatenating them together with ':'s. |
| |
# |
| |
# ls2 - list the contents of a directory. For each file in the |
| |
# selected directory the filename followed by the full output of |
| |
# the stat function is returned. The returned info for each |
| |
# file are separated by ':'. The stat fields are separated by &'s. |
| |
# Parameters: |
| |
# $cmd - The command that dispatched us (ls). |
| |
# $ulsdir - The directory path to list... I'm not sure what this |
| |
# is relative as things like ls:. return e.g. |
| |
# no_such_dir. |
| |
# $client - Socket open on the client. |
| |
# Returns: |
| |
# 1 - indicating that the daemon should not disconnect. |
| |
# Side Effects: |
| |
# The reply is written to $client. |
| |
# |
| |
sub ls2_handler { |
| |
my ($cmd, $ulsdir, $client) = @_; |
| |
|
| |
my $userinput = "$cmd:$ulsdir"; |
| |
|
| |
my $obs; |
| |
my $rights; |
| |
my $ulsout=''; |
| |
my $ulsfn; |
| |
if (-e $ulsdir) { |
| |
if(-d $ulsdir) { |
| |
if (opendir(LSDIR,$ulsdir)) { |
| |
while ($ulsfn=readdir(LSDIR)) { |
| |
undef $obs, $rights; |
| |
my @ulsstats=stat($ulsdir.'/'.$ulsfn); |
| |
#We do some obsolete checking here |
| |
if(-e $ulsdir.'/'.$ulsfn.".meta") { |
| |
open(FILE, $ulsdir.'/'.$ulsfn.".meta"); |
| |
my @obsolete=<FILE>; |
| |
foreach my $obsolete (@obsolete) { |
| |
if($obsolete =~ m|(<obsolete>)(on)|) { $obs = 1; } |
| |
if($obsolete =~ m|(<copyright>)(default)|) { |
| |
$rights = 1; |
| |
} |
| |
} |
| |
} |
| |
my $tmp = $ulsfn.'&'.join('&',@ulsstats); |
| |
if ($obs eq '1') { $tmp.="&1"; } else { $tmp.="&0"; } |
| |
if ($rights eq '1') { $tmp.="&1"; } else { $tmp.="&0"; } |
| |
$ulsout.= &escape($tmp).':'; |
| |
} |
| |
closedir(LSDIR); |
| |
} |
| |
} else { |
| |
my @ulsstats=stat($ulsdir); |
| |
$ulsout.=$ulsfn.'&'.join('&',@ulsstats).':'; |
| |
} |
| |
} else { |
| |
$ulsout='no_such_dir'; |
| |
} |
| |
if ($ulsout eq '') { $ulsout='empty'; } |
| |
&Reply($client, "$ulsout\n", $userinput); # This supports debug logging. |
| |
return 1; |
| |
} |
| |
®ister_handler("ls2", \&ls2_handler, 0, 1, 0); |
| |
|
| |
# Process a reinit request. Reinit requests that either |
| |
# lonc or lond be reinitialized so that an updated |
| |
# host.tab or domain.tab can be processed. |
| |
# |
| |
# Parameters: |
| |
# $cmd - the actual keyword that invoked us. |
| |
# $tail - the tail of the request that invoked us. |
| |
# $client - File descriptor connected to the client |
| |
# Returns: |
| |
# 1 - Ok to continue processing. |
| |
# 0 - Program should exit |
| |
# Implicit output: |
| |
# a reply is sent to the client. |
| |
# |
| |
sub reinit_process_handler { |
| |
my ($cmd, $tail, $client) = @_; |
| |
|
| |
my $userinput = "$cmd:$tail"; |
| |
|
| |
my $cert = &GetCertificate($userinput); |
| |
if(&ValidManager($cert)) { |
| |
chomp($userinput); |
| |
my $reply = &ReinitProcess($userinput); |
| |
&Reply( $client, "$reply\n", $userinput); |
| |
} else { |
| |
&Failure( $client, "refused\n", $userinput); |
| |
} |
| |
return 1; |
| |
} |
| |
®ister_handler("reinit", \&reinit_process_handler, 1, 0, 1); |
| |
|
| |
# Process the editing script for a table edit operation. |
| |
# the editing operation must be encrypted and requested by |
| |
# a manager host. |
| |
# |
| |
# Parameters: |
| |
# $cmd - the actual keyword that invoked us. |
| |
# $tail - the tail of the request that invoked us. |
| |
# $client - File descriptor connected to the client |
| |
# Returns: |
| |
# 1 - Ok to continue processing. |
| |
# 0 - Program should exit |
| |
# Implicit output: |
| |
# a reply is sent to the client. |
| |
# |
| |
sub edit_table_handler { |
| |
my ($command, $tail, $client) = @_; |
| |
|
| |
my $userinput = "$command:$tail"; |
| |
|
| |
my $cert = &GetCertificate($userinput); |
| |
if(&ValidManager($cert)) { |
| |
my($filetype, $script) = split(/:/, $tail); |
| |
if (($filetype eq "hosts") || |
| |
($filetype eq "domain")) { |
| |
if($script ne "") { |
| |
&Reply($client, # BUGBUG - EditFile |
| |
&EditFile($userinput), # could fail. |
| |
$userinput); |
| |
} else { |
| |
&Failure($client,"refused\n",$userinput); |
| |
} |
| |
} else { |
| |
&Failure($client,"refused\n",$userinput); |
| |
} |
| |
} else { |
| |
&Failure($client,"refused\n",$userinput); |
| |
} |
| |
return 1; |
| |
} |
| |
®ister_handler("edit", \&edit_table_handler, 1, 0, 1); |
| |
|
| |
# |
| |
# Authenticate a user against the LonCAPA authentication |
| |
# database. Note that there are several authentication |
| |
# possibilities: |
| |
# - unix - The user can be authenticated against the unix |
| |
# password file. |
| |
# - internal - The user can be authenticated against a purely |
| |
# internal per user password file. |
| |
# - kerberos - The user can be authenticated against either a kerb4 or kerb5 |
| |
# ticket granting authority. |
| |
# - user - The person tailoring LonCAPA can supply a user authentication |
| |
# mechanism that is per system. |
| |
# |
| |
# Parameters: |
| |
# $cmd - The command that got us here. |
| |
# $tail - Tail of the command (remaining parameters). |
| |
# $client - File descriptor connected to client. |
| |
# Returns |
| |
# 0 - Requested to exit, caller should shut down. |
| |
# 1 - Continue processing. |
| |
# Implicit inputs: |
| |
# The authentication systems describe above have their own forms of implicit |
| |
# input into the authentication process that are described above. |
| |
# |
| |
sub authenticate_handler { |
| |
my ($cmd, $tail, $client) = @_; |
| |
|
| |
|
| |
# Regenerate the full input line |
| |
|
| |
my $userinput = $cmd.":".$tail; |
| |
|
| |
# udom - User's domain. |
| |
# uname - Username. |
| |
# upass - User's password. |
| |
|
| |
my ($udom,$uname,$upass)=split(/:/,$tail); |
| |
&Debug(" Authenticate domain = $udom, user = $uname, password = $upass"); |
| |
chomp($upass); |
| |
$upass=&unescape($upass); |
| |
|
| |
my $pwdcorrect = &validate_user($udom, $uname, $upass); |
| |
if($pwdcorrect) { |
| |
&Reply( $client, "authorized\n", $userinput); |
| |
# |
| |
# Bad credentials: Failed to authorize |
| |
# |
| |
} else { |
| |
&Failure( $client, "non_authorized\n", $userinput); |
| |
} |
| |
|
| |
return 1; |
| |
} |
| |
®ister_handler("auth", \&authenticate_handler, 1, 1, 0); |
| |
|
| |
# |
| |
# Change a user's password. Note that this function is complicated by |
| |
# the fact that a user may be authenticated in more than one way: |
| |
# At present, we are not able to change the password for all types of |
| |
# authentication methods. Only for: |
| |
# unix - unix password or shadow passoword style authentication. |
| |
# local - Locally written authentication mechanism. |
| |
# For now, kerb4 and kerb5 password changes are not supported and result |
| |
# in an error. |
| |
# FUTURE WORK: |
| |
# Support kerberos passwd changes? |
| |
# Parameters: |
| |
# $cmd - The command that got us here. |
| |
# $tail - Tail of the command (remaining parameters). |
| |
# $client - File descriptor connected to client. |
| |
# Returns |
| |
# 0 - Requested to exit, caller should shut down. |
| |
# 1 - Continue processing. |
| |
# Implicit inputs: |
| |
# The authentication systems describe above have their own forms of implicit |
| |
# input into the authentication process that are described above. |
| |
sub change_password_handler { |
| |
my ($cmd, $tail, $client) = @_; |
| |
|
| |
my $userinput = $cmd.":".$tail; # Reconstruct client's string. |
| |
|
| |
# |
| |
# udom - user's domain. |
| |
# uname - Username. |
| |
# upass - Current password. |
| |
# npass - New password. |
| |
|
| |
my ($udom,$uname,$upass,$npass)=split(/:/,$tail); |
| |
|
| |
$upass=&unescape($upass); |
| |
$npass=&unescape($npass); |
| |
&Debug("Trying to change password for $uname"); |
| |
|
| |
# First require that the user can be authenticated with their |
| |
# old password: |
| |
|
| |
my $validated = &validate_user($udom, $uname, $upass); |
| |
if($validated) { |
| |
my $realpasswd = &get_auth_type($udom, $uname); # Defined since authd. |
| |
|
| |
my ($howpwd,$contentpwd)=split(/:/,$realpasswd); |
| |
if ($howpwd eq 'internal') { |
| |
&Debug("internal auth"); |
| |
my $salt=time; |
| |
$salt=substr($salt,6,2); |
| |
my $ncpass=crypt($npass,$salt); |
| |
if(&rewrite_password_file($udom, $uname, "internal:$ncpass")) { |
| |
&logthis("Result of password change for " |
| |
."$uname: pwchange_success"); |
| |
&Reply($client, "ok\n", $userinput); |
| |
} else { |
| |
&logthis("Unable to open $uname passwd " |
| |
."to change password"); |
| |
&Failure( $client, "non_authorized\n",$userinput); |
| |
} |
| |
} elsif ($howpwd eq 'unix') { |
| |
# Unix means we have to access /etc/password |
| |
&Debug("auth is unix"); |
| |
my $execdir=$perlvar{'lonDaemons'}; |
| |
&Debug("Opening lcpasswd pipeline"); |
| |
my $pf = IO::File->new("|$execdir/lcpasswd > " |
| |
."$perlvar{'lonDaemons'}" |
| |
."/logs/lcpasswd.log"); |
| |
print $pf "$uname\n$npass\n$npass\n"; |
| |
close $pf; |
| |
my $err = $?; |
| |
my $result = ($err>0 ? 'pwchange_failure' : 'ok'); |
| |
&logthis("Result of password change for $uname: ". |
| |
&lcpasswdstrerror($?)); |
| |
&Reply($client, "$result\n", $userinput); |
| |
} else { |
| |
# this just means that the current password mode is not |
| |
# one we know how to change (e.g the kerberos auth modes or |
| |
# locally written auth handler). |
| |
# |
| |
&Failure( $client, "auth_mode_error\n", $userinput); |
| |
} |
| |
|
| |
} else { |
| |
&Failure( $client, "non_authorized\n", $userinput); |
| |
} |
| |
|
| |
return 1; |
| |
} |
| |
®ister_handler("passwd", \&change_password_handler, 1, 1, 0); |
| |
|
| |
# |
| |
# Create a new user. User in this case means a lon-capa user. |
| |
# The user must either already exist in some authentication realm |
| |
# like kerberos or the /etc/passwd. If not, a user completely local to |
| |
# this loncapa system is created. |
| |
# |
| |
# Parameters: |
| |
# $cmd - The command that got us here. |
| |
# $tail - Tail of the command (remaining parameters). |
| |
# $client - File descriptor connected to client. |
| |
# Returns |
| |
# 0 - Requested to exit, caller should shut down. |
| |
# 1 - Continue processing. |
| |
# Implicit inputs: |
| |
# The authentication systems describe above have their own forms of implicit |
| |
# input into the authentication process that are described above. |
| |
sub add_user_handler { |
| |
|
| |
my ($cmd, $tail, $client) = @_; |
| |
|
| |
|
| |
my ($udom,$uname,$umode,$npass)=split(/:/,$tail); |
| |
my $userinput = $cmd.":".$tail; # Reconstruct the full request line. |
| |
|
| |
&Debug("cmd =".$cmd." $udom =".$udom." uname=".$uname); |
| |
|
| |
|
| |
if($udom eq $currentdomainid) { # Reject new users for other domains... |
| |
|
| |
my $oldumask=umask(0077); |
| |
chomp($npass); |
| |
$npass=&unescape($npass); |
| |
my $passfilename = &password_path($udom, $uname); |
| |
&Debug("Password file created will be:".$passfilename); |
| |
if (-e $passfilename) { |
| |
&Failure( $client, "already_exists\n", $userinput); |
| |
} else { |
| |
my $fperror=''; |
| |
if (!&mkpath($passfilename)) { |
| |
$fperror="error: ".($!+0)." mkdir failed while attempting " |
| |
."makeuser"; |
| |
} |
| |
unless ($fperror) { |
| |
my $result=&make_passwd_file($uname, $umode,$npass, $passfilename); |
| |
&Reply($client, $result, $userinput); #BUGBUG - could be fail |
| |
} else { |
| |
&Failure($client, "$fperror\n", $userinput); |
| |
} |
| |
} |
| |
umask($oldumask); |
| |
} else { |
| |
&Failure($client, "not_right_domain\n", |
| |
$userinput); # Even if we are multihomed. |
| |
|
| |
} |
| |
return 1; |
| |
|
| |
} |
| |
®ister_handler("makeuser", \&add_user_handler, 1, 1, 0); |
| |
|
| |
# |
| |
# Change the authentication method of a user. Note that this may |
| |
# also implicitly change the user's password if, for example, the user is |
| |
# joining an existing authentication realm. Known authentication realms at |
| |
# this time are: |
| |
# internal - Purely internal password file (only loncapa knows this user) |
| |
# local - Institutionally written authentication module. |
| |
# unix - Unix user (/etc/passwd with or without /etc/shadow). |
| |
# kerb4 - kerberos version 4 |
| |
# kerb5 - kerberos version 5 |
| |
# |
| |
# Parameters: |
| |
# $cmd - The command that got us here. |
| |
# $tail - Tail of the command (remaining parameters). |
| |
# $client - File descriptor connected to client. |
| |
# Returns |
| |
# 0 - Requested to exit, caller should shut down. |
| |
# 1 - Continue processing. |
| |
# Implicit inputs: |
| |
# The authentication systems describe above have their own forms of implicit |
| |
# input into the authentication process that are described above. |
| |
# |
| |
sub change_authentication_handler { |
| |
|
| |
my ($cmd, $tail, $client) = @_; |
| |
|
| |
my $userinput = "$cmd:$tail"; # Reconstruct user input. |
| |
|
| |
my ($udom,$uname,$umode,$npass)=split(/:/,$tail); |
| |
&Debug("cmd = ".$cmd." domain= ".$udom."uname =".$uname." umode= ".$umode); |
| |
if ($udom ne $currentdomainid) { |
| |
&Failure( $client, "not_right_domain\n", $client); |
| |
} else { |
| |
|
| |
chomp($npass); |
| |
|
| |
$npass=&unescape($npass); |
| |
my $oldauth = &get_auth_type($udom, $uname); # Get old auth info. |
| |
my $passfilename = &password_path($udom, $uname); |
| |
if ($passfilename) { # Not allowed to create a new user!! |
| |
my $result=&make_passwd_file($uname, $umode,$npass,$passfilename); |
| |
# |
| |
# If the current auth mode is internal, and the old auth mode was |
| |
# unix, or krb*, and the user is an author for this domain, |
| |
# re-run manage_permissions for that role in order to be able |
| |
# to take ownership of the construction space back to www:www |
| |
# |
| |
|
| |
if( (($oldauth =~ /^unix/) && ($umode eq "internal")) || |
| |
(($oldauth =~ /^internal/) && ($umode eq "unix")) ) { |
| |
if(&is_author($udom, $uname)) { |
| |
&Debug(" Need to manage author permissions..."); |
| |
&manage_permissions("/$udom/_au", $udom, $uname, "$umode:"); |
| |
} |
| |
} |
| |
|
| |
|
| |
&Reply($client, $result, $userinput); |
| |
} else { |
| |
&Failure($client, "non_authorized\n", $userinput); # Fail the user now. |
| |
} |
| |
} |
| |
return 1; |
| |
} |
| |
®ister_handler("changeuserauth", \&change_authentication_handler, 1,1, 0); |
| |
|
| |
# |
| |
# Determines if this is the home server for a user. The home server |
| |
# for a user will have his/her lon-capa passwd file. Therefore all we need |
| |
# to do is determine if this file exists. |
| |
# |
| |
# Parameters: |
| |
# $cmd - The command that got us here. |
| |
# $tail - Tail of the command (remaining parameters). |
| |
# $client - File descriptor connected to client. |
| |
# Returns |
| |
# 0 - Requested to exit, caller should shut down. |
| |
# 1 - Continue processing. |
| |
# Implicit inputs: |
| |
# The authentication systems describe above have their own forms of implicit |
| |
# input into the authentication process that are described above. |
| |
# |
| |
sub is_home_handler { |
| |
my ($cmd, $tail, $client) = @_; |
| |
|
| |
my $userinput = "$cmd:$tail"; |
| |
|
| |
my ($udom,$uname)=split(/:/,$tail); |
| |
chomp($uname); |
| |
my $passfile = &password_filename($udom, $uname); |
| |
if($passfile) { |
| |
&Reply( $client, "found\n", $userinput); |
| |
} else { |
| |
&Failure($client, "not_found\n", $userinput); |
| |
} |
| |
return 1; |
| |
} |
| |
®ister_handler("home", \&is_home_handler, 0,1,0); |
| |
|
| |
# |
| |
# Process an update request for a resource?? I think what's going on here is |
| |
# that a resource has been modified that we hold a subscription to. |
| |
# If the resource is not local, then we must update, or at least invalidate our |
| |
# cached copy of the resource. |
| |
# FUTURE WORK: |
| |
# I need to look at this logic carefully. My druthers would be to follow |
| |
# typical caching logic, and simple invalidate the cache, drop any subscription |
| |
# an let the next fetch start the ball rolling again... however that may |
| |
# actually be more difficult than it looks given the complex web of |
| |
# proxy servers. |
| |
# Parameters: |
| |
# $cmd - The command that got us here. |
| |
# $tail - Tail of the command (remaining parameters). |
| |
# $client - File descriptor connected to client. |
| |
# Returns |
| |
# 0 - Requested to exit, caller should shut down. |
| |
# 1 - Continue processing. |
| |
# Implicit inputs: |
| |
# The authentication systems describe above have their own forms of implicit |
| |
# input into the authentication process that are described above. |
| |
# |
| |
sub update_resource_handler { |
| |
|
| |
my ($cmd, $tail, $client) = @_; |
| |
|
| |
my $userinput = "$cmd:$tail"; |
| |
|
| |
my $fname= $tail; # This allows interactive testing |
| |
|
| |
|
| |
my $ownership=ishome($fname); |
| |
if ($ownership eq 'not_owner') { |
| |
if (-e $fname) { |
| |
my ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size, |
| |
$atime,$mtime,$ctime,$blksize,$blocks)=stat($fname); |
| |
my $now=time; |
| |
my $since=$now-$atime; |
| |
if ($since>$perlvar{'lonExpire'}) { |
| |
my $reply=&reply("unsub:$fname","$clientname"); |
| |
unlink("$fname"); |
| |
} else { |
| |
my $transname="$fname.in.transfer"; |
| |
my $remoteurl=&reply("sub:$fname","$clientname"); |
| |
my $response; |
| |
alarm(120); |
| |
{ |
| |
my $ua=new LWP::UserAgent; |
| |
my $request=new HTTP::Request('GET',"$remoteurl"); |
| |
$response=$ua->request($request,$transname); |
| |
} |
| |
alarm(0); |
| |
if ($response->is_error()) { |
| |
unlink($transname); |
| |
my $message=$response->status_line; |
| |
&logthis("LWP GET: $message for $fname ($remoteurl)"); |
| |
} else { |
| |
if ($remoteurl!~/\.meta$/) { |
| |
alarm(120); |
| |
{ |
| |
my $ua=new LWP::UserAgent; |
| |
my $mrequest=new HTTP::Request('GET',$remoteurl.'.meta'); |
| |
my $mresponse=$ua->request($mrequest,$fname.'.meta'); |
| |
if ($mresponse->is_error()) { |
| |
unlink($fname.'.meta'); |
| |
} |
| |
} |
| |
alarm(0); |
| |
} |
| |
rename($transname,$fname); |
| |
} |
| |
} |
| |
&Reply( $client, "ok\n", $userinput); |
| |
} else { |
| |
&Failure($client, "not_found\n", $userinput); |
| |
} |
| |
} else { |
| |
&Failure($client, "rejected\n", $userinput); |
| |
} |
| |
return 1; |
| |
} |
| |
®ister_handler("update", \&update_resource_handler, 0 ,1, 0); |
| |
|
| |
# |
| |
# Fetch a user file from a remote server to the user's home directory |
| |
# userfiles subdir. |
| |
# Parameters: |
| |
# $cmd - The command that got us here. |
| |
# $tail - Tail of the command (remaining parameters). |
| |
# $client - File descriptor connected to client. |
| |
# Returns |
| |
# 0 - Requested to exit, caller should shut down. |
| |
# 1 - Continue processing. |
| |
# |
| |
sub fetch_user_file_handler { |
| |
|
| |
my ($cmd, $tail, $client) = @_; |
| |
|
| |
my $userinput = "$cmd:$tail"; |
| |
my $fname = $tail; |
| |
my ($udom,$uname,$ufile) = ($fname =~ m|^([^/]+)/([^/]+)/(.+)$|); |
| |
my $udir=&propath($udom,$uname).'/userfiles'; |
| |
unless (-e $udir) { |
| |
mkdir($udir,0770); |
| |
} |
| |
Debug("fetch user file for $fname"); |
| |
if (-e $udir) { |
| |
$ufile=~s/^[\.\~]+//; |
| |
|
| |
# IF necessary, create the path right down to the file. |
| |
# Note that any regular files in the way of this path are |
| |
# wiped out to deal with some earlier folly of mine. |
| |
|
| |
if (!&mkpath($udir.'/'.$ufile)) { |
| |
&Failure($client, "unable_to_create\n", $userinput); |
| |
} |
| |
|
| |
my $destname=$udir.'/'.$ufile; |
| |
my $transname=$udir.'/'.$ufile.'.in.transit'; |
| |
my $remoteurl='http://'.$clientip.'/userfiles/'.$fname; |
| |
my $response; |
| |
Debug("Remote URL : $remoteurl Transfername $transname Destname: $destname"); |
| |
alarm(120); |
| |
{ |
| |
my $ua=new LWP::UserAgent; |
| |
my $request=new HTTP::Request('GET',"$remoteurl"); |
| |
$response=$ua->request($request,$transname); |
| |
} |
| |
alarm(0); |
| |
if ($response->is_error()) { |
| |
unlink($transname); |
| |
my $message=$response->status_line; |
| |
&logthis("LWP GET: $message for $fname ($remoteurl)"); |
| |
&Failure($client, "failed\n", $userinput); |
| |
} else { |
| |
Debug("Renaming $transname to $destname"); |
| |
if (!rename($transname,$destname)) { |
| |
&logthis("Unable to move $transname to $destname"); |
| |
unlink($transname); |
| |
&Failure($client, "failed\n", $userinput); |
| |
} else { |
| |
&Reply($client, "ok\n", $userinput); |
| |
} |
| |
} |
| |
} else { |
| |
&Failure($client, "not_home\n", $userinput); |
| |
} |
| |
return 1; |
| |
} |
| |
®ister_handler("fetchuserfile", \&fetch_user_file_handler, 0, 1, 0); |
| |
|
| |
# |
| |
# Remove a file from a user's home directory userfiles subdirectory. |
| |
# Parameters: |
| |
# cmd - the Lond request keyword that got us here. |
| |
# tail - the part of the command past the keyword. |
| |
# client- File descriptor connected with the client. |
| |
# |
| |
# Returns: |
| |
# 1 - Continue processing. |
| |
sub remove_user_file_handler { |
| |
my ($cmd, $tail, $client) = @_; |
| |
|
| |
my ($fname) = split(/:/, $tail); # Get rid of any tailing :'s lonc may have sent. |
| |
|
| |
my ($udom,$uname,$ufile) = ($fname =~ m|^([^/]+)/([^/]+)/(.+)$|); |
| |
if ($ufile =~m|/\.\./|) { |
| |
# any files paths with /../ in them refuse |
| |
# to deal with |
| |
&Failure($client, "refused\n", "$cmd:$tail"); |
| |
} else { |
| |
my $udir = &propath($udom,$uname); |
| |
if (-e $udir) { |
| |
my $file=$udir.'/userfiles/'.$ufile; |
| |
if (-e $file) { |
| |
# |
| |
# If the file is a regular file unlink is fine... |
| |
# However it's possible the client wants a dir. |
| |
# removed, in which case rmdir is more approprate: |
| |
# |
| |
if (-f $file){ |
| |
unlink($file); |
| |
} elsif(-d $file) { |
| |
rmdir($file); |
| |
} |
| |
if (-e $file) { |
| |
# File is still there after we deleted it ?!? |
| |
|
| |
&Failure($client, "failed\n", "$cmd:$tail"); |
| |
} else { |
| |
&Reply($client, "ok\n", "$cmd:$tail"); |
| |
} |
| |
} else { |
| |
&Failure($client, "not_found\n", "$cmd:$tail"); |
| |
} |
| |
} else { |
| |
&Failure($client, "not_home\n", "$cmd:$tail"); |
| |
} |
| |
} |
| |
return 1; |
| |
} |
| |
®ister_handler("removeuserfile", \&remove_user_file_handler, 0,1,0); |
| |
|
| |
# |
| |
# make a directory in a user's home directory userfiles subdirectory. |
| |
# Parameters: |
| |
# cmd - the Lond request keyword that got us here. |
| |
# tail - the part of the command past the keyword. |
| |
# client- File descriptor connected with the client. |
| |
# |
| |
# Returns: |
| |
# 1 - Continue processing. |
| |
sub mkdir_user_file_handler { |
| |
my ($cmd, $tail, $client) = @_; |
| |
|
| |
my ($dir) = split(/:/, $tail); # Get rid of any tailing :'s lonc may have sent. |
| |
$dir=&unescape($dir); |
| |
my ($udom,$uname,$ufile) = ($dir =~ m|^([^/]+)/([^/]+)/(.+)$|); |
| |
if ($ufile =~m|/\.\./|) { |
| |
# any files paths with /../ in them refuse |
| |
# to deal with |
| |
&Failure($client, "refused\n", "$cmd:$tail"); |
| |
} else { |
| |
my $udir = &propath($udom,$uname); |
| |
if (-e $udir) { |
| |
my $newdir=$udir.'/userfiles/'.$ufile.'/'; |
| |
if (!&mkpath($newdir)) { |
| |
&Failure($client, "failed\n", "$cmd:$tail"); |
| |
} |
| |
&Reply($client, "ok\n", "$cmd:$tail"); |
| |
} else { |
| |
&Failure($client, "not_home\n", "$cmd:$tail"); |
| |
} |
| |
} |
| |
return 1; |
| |
} |
| |
®ister_handler("mkdiruserfile", \&mkdir_user_file_handler, 0,1,0); |
| |
|
| |
# |
| |
# rename a file in a user's home directory userfiles subdirectory. |
| |
# Parameters: |
| |
# cmd - the Lond request keyword that got us here. |
| |
# tail - the part of the command past the keyword. |
| |
# client- File descriptor connected with the client. |
| |
# |
| |
# Returns: |
| |
# 1 - Continue processing. |
| |
sub rename_user_file_handler { |
| |
my ($cmd, $tail, $client) = @_; |
| |
|
| |
my ($udom,$uname,$old,$new) = split(/:/, $tail); |
| |
$old=&unescape($old); |
| |
$new=&unescape($new); |
| |
if ($new =~m|/\.\./| || $old =~m|/\.\./|) { |
| |
# any files paths with /../ in them refuse to deal with |
| |
&Failure($client, "refused\n", "$cmd:$tail"); |
| |
} else { |
| |
my $udir = &propath($udom,$uname); |
| |
if (-e $udir) { |
| |
my $oldfile=$udir.'/userfiles/'.$old; |
| |
my $newfile=$udir.'/userfiles/'.$new; |
| |
if (-e $newfile) { |
| |
&Failure($client, "exists\n", "$cmd:$tail"); |
| |
} elsif (! -e $oldfile) { |
| |
&Failure($client, "not_found\n", "$cmd:$tail"); |
| |
} else { |
| |
if (!rename($oldfile,$newfile)) { |
| |
&Failure($client, "failed\n", "$cmd:$tail"); |
| |
} else { |
| |
&Reply($client, "ok\n", "$cmd:$tail"); |
| |
} |
| |
} |
| |
} else { |
| |
&Failure($client, "not_home\n", "$cmd:$tail"); |
| |
} |
| |
} |
| |
return 1; |
| |
} |
| |
®ister_handler("renameuserfile", \&rename_user_file_handler, 0,1,0); |
| |
|
| |
# |
| |
# Authenticate access to a user file by checking that the token the user's |
| |
# passed also exists in their session file |
| |
# |
| |
# Parameters: |
| |
# cmd - The request keyword that dispatched to tus. |
| |
# tail - The tail of the request (colon separated parameters). |
| |
# client - Filehandle open on the client. |
| |
# Return: |
| |
# 1. |
| |
sub token_auth_user_file_handler { |
| |
my ($cmd, $tail, $client) = @_; |
| |
|
| |
my ($fname, $session) = split(/:/, $tail); |
| |
|
| |
chomp($session); |
| |
my $reply="non_auth\n"; |
| |
if (open(ENVIN,$perlvar{'lonIDsDir'}.'/'. |
| |
$session.'.id')) { |
| |
while (my $line=<ENVIN>) { |
| |
if ($line=~ m|userfile\.\Q$fname\E\=|) { $reply="ok\n"; } |
| |
} |
| |
close(ENVIN); |
| |
&Reply($client, $reply, "$cmd:$tail"); |
| |
} else { |
| |
&Failure($client, "invalid_token\n", "$cmd:$tail"); |
| |
} |
| |
return 1; |
| |
|
| |
} |
| |
®ister_handler("tokenauthuserfile", \&token_auth_user_file_handler, 0,1,0); |
| |
|
| |
# |
| |
# Unsubscribe from a resource. |
| |
# |
| |
# Parameters: |
| |
# $cmd - The command that got us here. |
| |
# $tail - Tail of the command (remaining parameters). |
| |
# $client - File descriptor connected to client. |
| |
# Returns |
| |
# 0 - Requested to exit, caller should shut down. |
| |
# 1 - Continue processing. |
| |
# |
| |
sub unsubscribe_handler { |
| |
my ($cmd, $tail, $client) = @_; |
| |
|
| |
my $userinput= "$cmd:$tail"; |
| |
|
| |
my ($fname) = split(/:/,$tail); # Split in case there's extrs. |
| |
|
| |
&Debug("Unsubscribing $fname"); |
| |
if (-e $fname) { |
| |
&Debug("Exists"); |
| |
&Reply($client, &unsub($fname,$clientip), $userinput); |
| |
} else { |
| |
&Failure($client, "not_found\n", $userinput); |
| |
} |
| |
return 1; |
| |
} |
| |
®ister_handler("unsub", \&unsubscribe_handler, 0, 1, 0); |
| |
|
| |
# Subscribe to a resource |
| |
# |
| |
# Parameters: |
| |
# $cmd - The command that got us here. |
| |
# $tail - Tail of the command (remaining parameters). |
| |
# $client - File descriptor connected to client. |
| |
# Returns |
| |
# 0 - Requested to exit, caller should shut down. |
| |
# 1 - Continue processing. |
| |
# |
| |
sub subscribe_handler { |
| |
my ($cmd, $tail, $client)= @_; |
| |
|
| |
my $userinput = "$cmd:$tail"; |
| |
|
| |
&Reply( $client, &subscribe($userinput,$clientip), $userinput); |
| |
|
| |
return 1; |
| |
} |
| |
®ister_handler("sub", \&subscribe_handler, 0, 1, 0); |
| |
|
| |
# |
| |
# Determine the version of a resource (?) Or is it return |
| |
# the top version of the resource? Not yet clear from the |
| |
# code in currentversion. |
| |
# |
| |
# Parameters: |
| |
# $cmd - The command that got us here. |
| |
# $tail - Tail of the command (remaining parameters). |
| |
# $client - File descriptor connected to client. |
| |
# Returns |
| |
# 0 - Requested to exit, caller should shut down. |
| |
# 1 - Continue processing. |
| |
# |
| |
sub current_version_handler { |
| |
my ($cmd, $tail, $client) = @_; |
| |
|
| |
my $userinput= "$cmd:$tail"; |
| |
|
| |
my $fname = $tail; |
| |
&Reply( $client, ¤tversion($fname)."\n", $userinput); |
| |
return 1; |
| |
|
| |
} |
| |
®ister_handler("currentversion", \¤t_version_handler, 0, 1, 0); |
| |
|
| |
# Make an entry in a user's activity log. |
| |
# |
| |
# Parameters: |
| |
# $cmd - The command that got us here. |
| |
# $tail - Tail of the command (remaining parameters). |
| |
# $client - File descriptor connected to client. |
| |
# Returns |
| |
# 0 - Requested to exit, caller should shut down. |
| |
# 1 - Continue processing. |
| |
# |
| |
sub activity_log_handler { |
| |
my ($cmd, $tail, $client) = @_; |
| |
|
| |
|
| |
my $userinput= "$cmd:$tail"; |
| |
|
| |
my ($udom,$uname,$what)=split(/:/,$tail); |
| |
chomp($what); |
| |
my $proname=&propath($udom,$uname); |
| |
my $now=time; |
| |
my $hfh; |
| |
if ($hfh=IO::File->new(">>$proname/activity.log")) { |
| |
print $hfh "$now:$clientname:$what\n"; |
| |
&Reply( $client, "ok\n", $userinput); |
| |
} else { |
| |
&Failure($client, "error: ".($!+0)." IO::File->new Failed " |
| |
."while attempting log\n", |
| |
$userinput); |
| |
} |
| |
|
| |
return 1; |
| |
} |
| |
®ister_handler("log", \&activity_log_handler, 0, 1, 0); |
| |
|
| |
# |
| |
# Put a namespace entry in a user profile hash. |
| |
# My druthers would be for this to be an encrypted interaction too. |
| |
# anything that might be an inadvertent covert channel about either |
| |
# user authentication or user personal information.... |
| |
# |
| |
# Parameters: |
| |
# $cmd - The command that got us here. |
| |
# $tail - Tail of the command (remaining parameters). |
| |
# $client - File descriptor connected to client. |
| |
# Returns |
| |
# 0 - Requested to exit, caller should shut down. |
| |
# 1 - Continue processing. |
| |
# |
| |
sub put_user_profile_entry { |
| |
my ($cmd, $tail, $client) = @_; |
| |
|
| |
my $userinput = "$cmd:$tail"; |
| |
|
| |
my ($udom,$uname,$namespace,$what) =split(/:/,$tail,4); |
| |
if ($namespace ne 'roles') { |
| |
chomp($what); |
| |
my $hashref = &tie_user_hash($udom, $uname, $namespace, |
| |
&GDBM_WRCREAT(),"P",$what); |
| |
if($hashref) { |
| |
my @pairs=split(/\&/,$what); |
| |
foreach my $pair (@pairs) { |
| |
my ($key,$value)=split(/=/,$pair); |
| |
$hashref->{$key}=$value; |
| |
} |
| |
if (untie(%$hashref)) { |
| |
&Reply( $client, "ok\n", $userinput); |
| |
} else { |
| |
&Failure($client, "error: ".($!+0)." untie(GDBM) failed ". |
| |
"while attempting put\n", |
| |
$userinput); |
| |
} |
| |
} else { |
| |
&Failure( $client, "error: ".($!)." tie(GDBM) Failed ". |
| |
"while attempting put\n", $userinput); |
| |
} |
| |
} else { |
| |
&Failure( $client, "refused\n", $userinput); |
| |
} |
| |
|
| |
return 1; |
| |
} |
| |
®ister_handler("put", \&put_user_profile_entry, 0, 1, 0); |
| |
|
| |
# Put a piece of new data in hash, returns error if entry already exists |
| |
# Parameters: |
| |
# $cmd - The command that got us here. |
| |
# $tail - Tail of the command (remaining parameters). |
| |
# $client - File descriptor connected to client. |
| |
# Returns |
| |
# 0 - Requested to exit, caller should shut down. |
| |
# 1 - Continue processing. |
| |
# |
| |
sub newput_user_profile_entry { |
| |
my ($cmd, $tail, $client) = @_; |
| |
|
| |
my $userinput = "$cmd:$tail"; |
| |
|
| |
my ($udom,$uname,$namespace,$what) =split(/:/,$tail,4); |
| |
if ($namespace eq 'roles') { |
| |
&Failure( $client, "refused\n", $userinput); |
| |
return 1; |
| |
} |
| |
|
| |
chomp($what); |
| |
|
| |
my $hashref = &tie_user_hash($udom, $uname, $namespace, |
| |
&GDBM_WRCREAT(),"N",$what); |
| |
if(!$hashref) { |
| |
&Failure( $client, "error: ".($!)." tie(GDBM) Failed ". |
| |
"while attempting put\n", $userinput); |
| |
return 1; |
| |
} |
| |
|
| |
my @pairs=split(/\&/,$what); |
| |
foreach my $pair (@pairs) { |
| |
my ($key,$value)=split(/=/,$pair); |
| |
if (exists($hashref->{$key})) { |
| |
&Failure($client, "key_exists: ".$key."\n",$userinput); |
| |
return 1; |
| |
} |
| |
} |
| |
|
| |
foreach my $pair (@pairs) { |
| |
my ($key,$value)=split(/=/,$pair); |
| |
$hashref->{$key}=$value; |
| |
} |
| |
|
| |
if (untie(%$hashref)) { |
| |
&Reply( $client, "ok\n", $userinput); |
| |
} else { |
| |
&Failure($client, "error: ".($!+0)." untie(GDBM) failed ". |
| |
"while attempting put\n", |
| |
$userinput); |
| |
} |
| |
return 1; |
| |
} |
| |
®ister_handler("newput", \&newput_user_profile_entry, 0, 1, 0); |
| |
|
| |
# |
| |
# Increment a profile entry in the user history file. |
| |
# The history contains keyword value pairs. In this case, |
| |
# The value itself is a pair of numbers. The first, the current value |
| |
# the second an increment that this function applies to the current |
| |
# value. |
| |
# |
| |
# Parameters: |
| |
# $cmd - The command that got us here. |
| |
# $tail - Tail of the command (remaining parameters). |
| |
# $client - File descriptor connected to client. |
| |
# Returns |
| |
# 0 - Requested to exit, caller should shut down. |
| |
# 1 - Continue processing. |
| |
# |
| |
sub increment_user_value_handler { |
| |
my ($cmd, $tail, $client) = @_; |
| |
|
| |
my $userinput = "$cmd:$tail"; |
| |
|
| |
my ($udom,$uname,$namespace,$what) =split(/:/,$tail); |
| |
if ($namespace ne 'roles') { |
| |
chomp($what); |
| |
my $hashref = &tie_user_hash($udom, $uname, |
| |
$namespace, &GDBM_WRCREAT(), |
| |
"P",$what); |
| |
if ($hashref) { |
| |
my @pairs=split(/\&/,$what); |
| |
foreach my $pair (@pairs) { |
| |
my ($key,$value)=split(/=/,$pair); |
| |
$value = &unescape($value); |
| |
# We could check that we have a number... |
| |
if (! defined($value) || $value eq '') { |
| |
$value = 1; |
| |
} |
| |
$hashref->{$key}+=$value; |
| |
if ($namespace eq 'nohist_resourcetracker') { |
| |
if ($hashref->{$key} < 0) { |
| |
$hashref->{$key} = 0; |
| |
} |
| |
} |
| |
} |
| |
if (untie(%$hashref)) { |
| |
&Reply( $client, "ok\n", $userinput); |
| |
} else { |
| |
&Failure($client, "error: ".($!+0)." untie(GDBM) failed ". |
| |
"while attempting inc\n", $userinput); |
| |
} |
| |
} else { |
| |
&Failure($client, "error: ".($!+0)." tie(GDBM) Failed ". |
| |
"while attempting inc\n", $userinput); |
| |
} |
| |
} else { |
| |
&Failure($client, "refused\n", $userinput); |
| |
} |
| |
|
| |
return 1; |
| |
} |
| |
®ister_handler("inc", \&increment_user_value_handler, 0, 1, 0); |
| |
|
| |
# |
| |
# Put a new role for a user. Roles are LonCAPA's packaging of permissions. |
| |
# Each 'role' a user has implies a set of permissions. Adding a new role |
| |
# for a person grants the permissions packaged with that role |
| |
# to that user when the role is selected. |
| |
# |
| |
# Parameters: |
| |
# $cmd - The command string (rolesput). |
| |
# $tail - The remainder of the request line. For rolesput this |
| |
# consists of a colon separated list that contains: |
| |
# The domain and user that is granting the role (logged). |
| |
# The domain and user that is getting the role. |
| |
# The roles being granted as a set of & separated pairs. |
| |
# each pair a key value pair. |
| |
# $client - File descriptor connected to the client. |
| |
# Returns: |
| |
# 0 - If the daemon should exit |
| |
# 1 - To continue processing. |
| |
# |
| |
# |
| |
sub roles_put_handler { |
| |
my ($cmd, $tail, $client) = @_; |
| |
|
| |
my $userinput = "$cmd:$tail"; |
| |
|
| |
my ( $exedom, $exeuser, $udom, $uname, $what) = split(/:/,$tail); |
| |
|
| |
|
| |
my $namespace='roles'; |
| |
chomp($what); |
| |
my $hashref = &tie_user_hash($udom, $uname, $namespace, |
| |
&GDBM_WRCREAT(), "P", |
| |
"$exedom:$exeuser:$what"); |
| |
# |
| |
# Log the attempt to set a role. The {}'s here ensure that the file |
| |
# handle is open for the minimal amount of time. Since the flush |
| |
# is done on close this improves the chances the log will be an un- |
| |
# corrupted ordered thing. |
| |
if ($hashref) { |
| |
my $pass_entry = &get_auth_type($udom, $uname); |
| |
my ($auth_type,$pwd) = split(/:/, $pass_entry); |
| |
$auth_type = $auth_type.":"; |
| |
my @pairs=split(/\&/,$what); |
| |
foreach my $pair (@pairs) { |
| |
my ($key,$value)=split(/=/,$pair); |
| |
&manage_permissions($key, $udom, $uname, |
| |
$auth_type); |
| |
$hashref->{$key}=$value; |
| |
} |
| |
if (untie($hashref)) { |
| |
&Reply($client, "ok\n", $userinput); |
| |
} else { |
| |
&Failure( $client, "error: ".($!+0)." untie(GDBM) Failed ". |
| |
"while attempting rolesput\n", $userinput); |
| |
} |
| |
} else { |
| |
&Failure( $client, "error: ".($!+0)." tie(GDBM) Failed ". |
| |
"while attempting rolesput\n", $userinput); |
| |
} |
| |
return 1; |
| |
} |
| |
®ister_handler("rolesput", \&roles_put_handler, 1,1,0); # Encoded client only. |
| |
|
| |
# |
| |
# Deletes (removes) a role for a user. This is equivalent to removing |
| |
# a permissions package associated with the role from the user's profile. |
| |
# |
| |
# Parameters: |
| |
# $cmd - The command (rolesdel) |
| |
# $tail - The remainder of the request line. This consists |
| |
# of: |
| |
# The domain and user requesting the change (logged) |
| |
# The domain and user being changed. |
| |
# The roles being revoked. These are shipped to us |
| |
# as a bunch of & separated role name keywords. |
| |
# $client - The file handle open on the client. |
| |
# Returns: |
| |
# 1 - Continue processing |
| |
# 0 - Exit. |
| |
# |
| |
sub roles_delete_handler { |
| |
my ($cmd, $tail, $client) = @_; |
| |
|
| |
my $userinput = "$cmd:$tail"; |
| |
|
| |
my ($exedom,$exeuser,$udom,$uname,$what)=split(/:/,$tail); |
| |
&Debug("cmd = ".$cmd." exedom= ".$exedom."user = ".$exeuser." udom=".$udom. |
| |
"what = ".$what); |
| |
my $namespace='roles'; |
| |
chomp($what); |
| |
my $hashref = &tie_user_hash($udom, $uname, $namespace, |
| |
&GDBM_WRCREAT(), "D", |
| |
"$exedom:$exeuser:$what"); |
| |
|
| |
if ($hashref) { |
| |
my @rolekeys=split(/\&/,$what); |
| |
|
| |
foreach my $key (@rolekeys) { |
| |
delete $hashref->{$key}; |
| |
} |
| |
if (untie(%$hashref)) { |
| |
&Reply($client, "ok\n", $userinput); |
| |
} else { |
| |
&Failure( $client, "error: ".($!+0)." untie(GDBM) Failed ". |
| |
"while attempting rolesdel\n", $userinput); |
| |
} |
| |
} else { |
| |
&Failure( $client, "error: ".($!+0)." tie(GDBM) Failed ". |
| |
"while attempting rolesdel\n", $userinput); |
| |
} |
| |
|
| |
return 1; |
| |
} |
| |
®ister_handler("rolesdel", \&roles_delete_handler, 1,1, 0); # Encoded client only |
| |
|
| |
# Unencrypted get from a user's profile database. See |
| |
# GetProfileEntryEncrypted for a version that does end-to-end encryption. |
| |
# This function retrieves a keyed item from a specific named database in the |
| |
# user's directory. |
| |
# |
| |
# Parameters: |
| |
# $cmd - Command request keyword (get). |
| |
# $tail - Tail of the command. This is a colon separated list |
| |
# consisting of the domain and username that uniquely |
| |
# identifies the profile, |
| |
# The 'namespace' which selects the gdbm file to |
| |
# do the lookup in, |
| |
# & separated list of keys to lookup. Note that |
| |
# the values are returned as an & separated list too. |
| |
# $client - File descriptor open on the client. |
| |
# Returns: |
| |
# 1 - Continue processing. |
| |
# 0 - Exit. |
| |
# |
| |
sub get_profile_entry { |
| |
my ($cmd, $tail, $client) = @_; |
| |
|
| |
my $userinput= "$cmd:$tail"; |
| |
|
| |
my ($udom,$uname,$namespace,$what) = split(/:/,$tail); |
| |
chomp($what); |
| |
|
| |
my $replystring = read_profile($udom, $uname, $namespace, $what); |
| |
my ($first) = split(/:/,$replystring); |
| |
if($first ne "error") { |
| |
&Reply($client, "$replystring\n", $userinput); |
| |
} else { |
| |
&Failure($client, $replystring." while attempting get\n", $userinput); |
| |
} |
| |
return 1; |
| |
|
| |
|
| |
} |
| |
®ister_handler("get", \&get_profile_entry, 0,1,0); |
| |
|
| |
# |
| |
# Process the encrypted get request. Note that the request is sent |
| |
# in clear, but the reply is encrypted. This is a small covert channel: |
| |
# information about the sensitive keys is given to the snooper. Just not |
| |
# information about the values of the sensitive key. Hmm if I wanted to |
| |
# know these I'd snoop for the egets. Get the profile item names from them |
| |
# and then issue a get for them since there's no enforcement of the |
| |
# requirement of an encrypted get for particular profile items. If I |
| |
# were re-doing this, I'd force the request to be encrypted as well as the |
| |
# reply. I'd also just enforce encrypted transactions for all gets since |
| |
# that would prevent any covert channel snooping. |
| |
# |
| |
# Parameters: |
| |
# $cmd - Command keyword of request (eget). |
| |
# $tail - Tail of the command. See GetProfileEntry
# for more information about this. |
| |
# $client - File open on the client. |
| |
# Returns: |
| |
# 1 - Continue processing |
| |
# 0 - server should exit. |
| |
sub get_profile_entry_encrypted { |
| |
my ($cmd, $tail, $client) = @_; |
| |
|
| |
my $userinput = "$cmd:$tail"; |
| |
|
| |
my ($cmd,$udom,$uname,$namespace,$what) = split(/:/,$userinput); |
| |
chomp($what); |
| |
my $qresult = read_profile($udom, $uname, $namespace, $what); |
| |
my ($first) = split(/:/, $qresult); |
| |
if($first ne "error") { |
| |
|
| |
if ($cipher) { |
| |
my $cmdlength=length($qresult); |
| |
$qresult.=" "; |
| |
my $encqresult=''; |
| |
for(my $encidx=0;$encidx<=$cmdlength;$encidx+=8) { |
| |
$encqresult.= unpack("H16", |
| |
$cipher->encrypt(substr($qresult, |
| |
$encidx, |
| |
8))); |
| |
} |
| |
&Reply( $client, "enc:$cmdlength:$encqresult\n", $userinput); |
| |
} else { |
| |
&Failure( $client, "error:no_key\n", $userinput); |
| |
} |
| |
} else { |
| |
&Failure($client, "$qresult while attempting eget\n", $userinput); |
| |
|
| |
} |
| |
|
| |
return 1; |
| |
} |
| |
®ister_handler("eget", \&get_profile_entry_encrypted, 0, 1, 0); |
| |
|
| |
# |
| |
# Deletes a key in a user profile database. |
| |
# |
| |
# Parameters: |
| |
# $cmd - Command keyword (del). |
| |
# $tail - Command tail. IN this case a colon |
| |
# separated list containing: |
| |
# The domain and user that identifies uniquely |
| |
# the identity of the user. |
| |
# The profile namespace (name of the profile |
| |
# database file). |
| |
# & separated list of keywords to delete. |
| |
# $client - File open on client socket. |
| |
# Returns: |
| |
# 1 - Continue processing |
| |
# 0 - Exit server. |
| |
# |
| |
# |
| |
sub delete_profile_entry { |
| |
my ($cmd, $tail, $client) = @_; |
| |
|
| |
my $userinput = "cmd:$tail"; |
| |
|
| |
my ($udom,$uname,$namespace,$what) = split(/:/,$tail); |
| |
chomp($what); |
| |
my $hashref = &tie_user_hash($udom, $uname, $namespace, |
| |
&GDBM_WRCREAT(), |
| |
"D",$what); |
| |
if ($hashref) { |
| |
my @keys=split(/\&/,$what); |
| |
foreach my $key (@keys) { |
| |
delete($hashref->{$key}); |
| |
} |
| |
if (untie(%$hashref)) { |
| |
&Reply($client, "ok\n", $userinput); |
| |
} else { |
| |
&Failure($client, "error: ".($!+0)." untie(GDBM) Failed ". |
| |
"while attempting del\n", $userinput); |
| |
} |
| |
} else { |
| |
&Failure( $client, "error: ".($!+0)." tie(GDBM) Failed ". |
| |
"while attempting del\n", $userinput); |
| |
} |
| |
return 1; |
| |
} |
| |
®ister_handler("del", \&delete_profile_entry, 0, 1, 0); |
| |
|
| |
# |
| |
# List the set of keys that are defined in a profile database file. |
| |
# A successful reply from this will contain an & separated list of |
| |
# the keys. |
| |
# Parameters: |
| |
# $cmd - Command request (keys). |
| |
# $tail - Remainder of the request, a colon separated |
| |
# list containing domain/user that identifies the |
| |
# user being queried, and the database namespace |
| |
# (database filename essentially). |
| |
# $client - File open on the client. |
| |
# Returns: |
| |
# 1 - Continue processing. |
| |
# 0 - Exit the server. |
| |
# |
| |
sub get_profile_keys { |
| |
my ($cmd, $tail, $client) = @_; |
| |
|
| |
my $userinput = "$cmd:$tail"; |
| |
|
| |
my ($udom,$uname,$namespace)=split(/:/,$tail); |
| |
my $qresult=''; |
| |
my $hashref = &tie_user_hash($udom, $uname, $namespace, |
| |
&GDBM_READER()); |
| |
if ($hashref) { |
| |
foreach my $key (keys %$hashref) { |
| |
$qresult.="$key&"; |
| |
} |
| |
if (untie(%$hashref)) { |
| |
$qresult=~s/\&$//; |
| |
&Reply($client, "$qresult\n", $userinput); |
| |
} else { |
| |
&Failure($client, "error: ".($!+0)." untie(GDBM) Failed ". |
| |
"while attempting keys\n", $userinput); |
| |
} |
| |
} else { |
| |
&Failure( $client, "error: ".($!+0)." tie(GDBM) Failed ". |
| |
"while attempting keys\n", $userinput); |
| |
} |
| |
|
| |
return 1; |
| |
} |
| |
®ister_handler("keys", \&get_profile_keys, 0, 1, 0); |
| |
|
| |
# |
| |
# Dump the contents of a user profile database. |
| |
# Note that this constitutes a very large covert channel too since |
| |
# the dump will return sensitive information that is not encrypted. |
| |
# The naive security assumption is that the session negotiation ensures |
| |
# our client is trusted and I don't believe that's assured at present. |
| |
# Sure want badly to go to ssl or tls. Of course if my peer isn't really |
| |
# a LonCAPA node they could have negotiated an encryption key too so >sigh<. |
| |
# |
| |
# Parameters: |
| |
# $cmd - The command request keyword (currentdump). |
| |
# $tail - Remainder of the request, consisting of a colon |
| |
# separated list that has the domain/username and |
| |
# the namespace to dump (database file). |
| |
# $client - file open on the remote client. |
| |
# Returns: |
| |
# 1 - Continue processing. |
| |
# 0 - Exit the server. |
| |
# |
| |
sub dump_profile_database { |
| |
my ($cmd, $tail, $client) = @_; |
| |
|
| |
my $userinput = "$cmd:$tail"; |
| |
|
| |
my ($udom,$uname,$namespace) = split(/:/,$tail); |
| |
my $hashref = &tie_user_hash($udom, $uname, $namespace, |
| |
&GDBM_READER()); |
| |
if ($hashref) { |
| |
# Structure of %data: |
| |
# $data{$symb}->{$parameter}=$value; |
| |
# $data{$symb}->{'v.'.$parameter}=$version; |
| |
# since $parameter will be unescaped, we do not |
| |
# have to worry about silly parameter names... |
| |
|
| |
my $qresult=''; |
| |
my %data = (); # A hash of anonymous hashes.. |
| |
while (my ($key,$value) = each(%$hashref)) { |
| |
my ($v,$symb,$param) = split(/:/,$key); |
| |
next if ($v eq 'version' || $symb eq 'keys'); |
| |
next if (exists($data{$symb}) && |
| |
exists($data{$symb}->{$param}) && |
| |
$data{$symb}->{'v.'.$param} > $v); |
| |
$data{$symb}->{$param}=$value; |
| |
$data{$symb}->{'v.'.$param}=$v; |
| |
} |
| |
if (untie(%$hashref)) { |
| |
while (my ($symb,$param_hash) = each(%data)) { |
| |
while(my ($param,$value) = each (%$param_hash)){ |
| |
next if ($param =~ /^v\./); # Ignore versions... |
| |
# |
| |
# Just dump the symb=value pairs separated by & |
| |
# |
| |
$qresult.=$symb.':'.$param.'='.$value.'&'; |
| |
} |
| |
} |
| |
chop($qresult); |
| |
&Reply($client , "$qresult\n", $userinput); |
| |
} else { |
| |
&Failure( $client, "error: ".($!+0)." untie(GDBM) Failed ". |
| |
"while attempting currentdump\n", $userinput); |
| |
} |
| |
} else { |
| |
&Failure($client, "error: ".($!+0)." tie(GDBM) Failed ". |
| |
"while attempting currentdump\n", $userinput); |
| |
} |
| |
|
| |
return 1; |
| |
} |
| |
®ister_handler("currentdump", \&dump_profile_database, 0, 1, 0); |
| |
|
| |
# |
| |
# Dump a profile database with an optional regular expression |
| |
# to match against the keys. In this dump, no effort is made |
| |
# to separate symb from version information. Presumably the |
| |
# databases that are dumped by this command are of a different |
| |
# structure. Need to look at this and improve the documentation of |
| |
# both this and the currentdump handler. |
| |
# Parameters: |
| |
# $cmd - The command keyword. |
| |
# $tail - All of the characters after the $cmd: |
| |
# These are expected to be a colon |
| |
# separated list containing: |
| |
# domain/user - identifying the user. |
| |
# namespace - identifying the database. |
| |
# regexp - optional regular expression |
| |
# that is matched against |
| |
# database keywords to do |
| |
# selective dumps. |
| |
# $client - Channel open on the client. |
| |
# Returns: |
| |
# 1 - Continue processing. |
| |
# Side effects: |
| |
# response is written to $client. |
| |
# |
| |
sub dump_with_regexp { |
| |
my ($cmd, $tail, $client) = @_; |
| |
|
| |
|
| |
my $userinput = "$cmd:$tail"; |
| |
|
| |
my ($udom,$uname,$namespace,$regexp)=split(/:/,$tail); |
| |
if (defined($regexp)) { |
| |
$regexp=&unescape($regexp); |
| |
} else { |
| |
$regexp='.'; |
| |
} |
| |
my $hashref = &tie_user_hash($udom, $uname, $namespace, |
| |
&GDBM_READER()); |
| |
if ($hashref) { |
| |
my $qresult=''; |
| |
while (my ($key,$value) = each(%$hashref)) { |
| |
if ($regexp eq '.') { |
| |
$qresult.=$key.'='.$value.'&'; |
| |
} else { |
| |
my $unescapeKey = &unescape($key); |
| |
if (eval('$unescapeKey=~/$regexp/')) { |
| |
$qresult.="$key=$value&"; |
| |
} |
| |
} |
| |
} |
| |
if (untie(%$hashref)) { |
| |
chop($qresult); |
| |
&Reply($client, "$qresult\n", $userinput); |
| |
} else { |
| |
&Failure( $client, "error: ".($!+0)." untie(GDBM) Failed ". |
| |
"while attempting dump\n", $userinput); |
| |
} |
| |
} else { |
| |
&Failure($client, "error: ".($!+0)." tie(GDBM) Failed ". |
| |
"while attempting dump\n", $userinput); |
| |
} |
| |
|
| |
return 1; |
| |
} |
| |
®ister_handler("dump", \&dump_with_regexp, 0, 1, 0); |
| |
|
| |
# Store a set of key=value pairs associated with a versioned name. |
| |
# |
| |
# Parameters: |
| |
# $cmd - Request command keyword. |
| |
# $tail - Tail of the request. This is a colon |
| |
# separated list containing: |
| |
# domain/user - User and authentication domain. |
| |
# namespace - Name of the database being modified |
| |
# rid - Resource keyword to modify. |
| |
# what - new value associated with rid. |
| |
# |
| |
# $client - Socket open on the client. |
| |
# |
| |
# |
| |
# Returns: |
| |
# 1 (keep on processing). |
| |
# Side-Effects: |
| |
# Writes to the client |
| |
sub store_handler { |
| |
my ($cmd, $tail, $client) = @_; |
| |
|
| |
my $userinput = "$cmd:$tail"; |
| |
|
| |
my ($udom,$uname,$namespace,$rid,$what) =split(/:/,$tail); |
| |
if ($namespace ne 'roles') { |
| |
|
| |
chomp($what); |
| |
my @pairs=split(/\&/,$what); |
| |
my $hashref = &tie_user_hash($udom, $uname, $namespace, |
| |
&GDBM_WRCREAT(), "S", |
| |
"$rid:$what"); |
| |
if ($hashref) { |
| |
my $now = time; |
| |
my @previouskeys=split(/&/,$hashref->{"keys:$rid"}); |
| |
my $key; |
| |
$hashref->{"version:$rid"}++; |
| |
my $version=$hashref->{"version:$rid"}; |
| |
my $allkeys=''; |
| |
foreach my $pair (@pairs) { |
| |
my ($key,$value)=split(/=/,$pair); |
| |
$allkeys.=$key.':'; |
| |
$hashref->{"$version:$rid:$key"}=$value; |
| |
} |
| |
$hashref->{"$version:$rid:timestamp"}=$now; |
| |
$allkeys.='timestamp'; |
| |
$hashref->{"$version:keys:$rid"}=$allkeys; |
| |
if (untie($hashref)) { |
| |
&Reply($client, "ok\n", $userinput); |
| |
} else { |
| |
&Failure($client, "error: ".($!+0)." untie(GDBM) Failed ". |
| |
"while attempting store\n", $userinput); |
| |
} |
| |
} else { |
| |
&Failure( $client, "error: ".($!+0)." tie(GDBM) Failed ". |
| |
"while attempting store\n", $userinput); |
| |
} |
| |
} else { |
| |
&Failure($client, "refused\n", $userinput); |
| |
} |
| |
|
| |
return 1; |
| |
} |
| |
®ister_handler("store", \&store_handler, 0, 1, 0); |
| |
|
| |
# |
| |
# Dump out all versions of a resource that has key=value pairs associated |
| |
# with it for each version. These resources are built up via the store |
| |
# command. |
| |
# |
| |
# Parameters: |
| |
# $cmd - Command keyword. |
| |
# $tail - Remainder of the request which consists of: |
| |
# domain/user - User and auth. domain. |
| |
# namespace - name of resource database. |
| |
# rid - Resource id. |
| |
# $client - socket open on the client. |
| |
# |
| |
# Returns: |
| |
# 1 indicating the caller should not yet exit. |
| |
# Side-effects: |
| |
# Writes a reply to the client. |
| |
# The reply is a string of the following shape: |
| |
# version=current&version:keys=k1:k2...&1:k1=v1&1:k2=v2... |
| |
# Where the 1 above represents version 1. |
| |
# this continues for all pairs of keys in all versions. |
| |
# |
| |
# |
| |
# |
| |
# |
| |
sub restore_handler { |
| |
my ($cmd, $tail, $client) = @_; |
| |
|
| |
my $userinput = "$cmd:$tail"; # Only used for logging purposes. |
| |
|
| |
my ($cmd,$udom,$uname,$namespace,$rid) = split(/:/,$userinput); |
| |
$namespace=~s/\//\_/g; |
| |
$namespace=~s/\W//g; |
| |
chomp($rid); |
| |
my $proname=&propath($udom,$uname); |
| |
my $qresult=''; |
| |
my %hash; |
| |
if (tie(%hash,'GDBM_File',"$proname/$namespace.db", |
| |
&GDBM_READER(),0640)) { |
| |
my $version=$hash{"version:$rid"}; |
| |
$qresult.="version=$version&"; |
| |
my $scope; |
| |
for ($scope=1;$scope<=$version;$scope++) { |
| |
my $vkeys=$hash{"$scope:keys:$rid"}; |
| |
my @keys=split(/:/,$vkeys); |
| |
my $key; |
| |
$qresult.="$scope:keys=$vkeys&"; |
| |
foreach $key (@keys) { |
| |
$qresult.="$scope:$key=".$hash{"$scope:$rid:$key"}."&"; |
| |
} |
| |
} |
| |
if (untie(%hash)) { |
| |
$qresult=~s/\&$//; |
| |
&Reply( $client, "$qresult\n", $userinput); |
| |
} else { |
| |
&Failure($client, "error: ".($!+0)." untie(GDBM) Failed ". |
| |
"while attempting restore\n", $userinput); |
| |
} |
| |
} else { |
| |
&Failure($client, "error: ".($!+0)." tie(GDBM) Failed ". |
| |
"while attempting restore\n", $userinput); |
| |
} |
| |
|
| |
return 1; |
| |
|
| |
|
| |
} |
| |
®ister_handler("restore", \&restore_handler, 0,1,0); |
| |
|
| |
# |
| |
# Add a chat message to to a discussion board. |
| |
# |
| |
# Parameters: |
| |
# $cmd - Request keyword. |
| |
# $tail - Tail of the command. A colon separated list |
| |
# containing: |
| |
# cdom - Domain on which the chat board lives |
| |
# cnum - Identifier of the discussion group. |
| |
# post - Body of the posting. |
| |
# $client - Socket open on the client. |
| |
# Returns: |
| |
# 1 - Indicating caller should keep on processing. |
| |
# |
| |
# Side-effects: |
| |
# writes a reply to the client. |
| |
# |
| |
# |
| |
sub send_chat_handler { |
| |
my ($cmd, $tail, $client) = @_; |
| |
|
| |
|
| |
my $userinput = "$cmd:$tail"; |
| |
|
| |
my ($cdom,$cnum,$newpost)=split(/\:/,$tail); |
| |
&chat_add($cdom,$cnum,$newpost); |
| |
&Reply($client, "ok\n", $userinput); |
| |
|
| |
return 1; |
| |
} |
| |
®ister_handler("chatsend", \&send_chat_handler, 0, 1, 0); |
| |
|
| |
# |
| |
# Retrieve the set of chat messagss from a discussion board. |
| |
# |
| |
# Parameters: |
| |
# $cmd - Command keyword that initiated the request. |
| |
# $tail - Remainder of the request after the command |
| |
# keyword. In this case a colon separated list of |
| |
# chat domain - Which discussion board. |
| |
# chat id - Discussion thread(?) |
| |
# domain/user - Authentication domain and username |
| |
# of the requesting person. |
| |
# $client - Socket open on the client program. |
| |
# Returns: |
| |
# 1 - continue processing |
| |
# Side effects: |
| |
# Response is written to the client. |
| |
# |
| |
sub retrieve_chat_handler { |
| |
my ($cmd, $tail, $client) = @_; |
| |
|
| |
|
| |
my $userinput = "$cmd:$tail"; |
| |
|
| |
my ($cdom,$cnum,$udom,$uname)=split(/\:/,$tail); |
| |
my $reply=''; |
| |
foreach (&get_chat($cdom,$cnum,$udom,$uname)) { |
| |
$reply.=&escape($_).':'; |
| |
} |
| |
$reply=~s/\:$//; |
| |
&Reply($client, $reply."\n", $userinput); |
| |
|
| |
|
| |
return 1; |
| |
} |
| |
®ister_handler("chatretr", \&retrieve_chat_handler, 0, 1, 0); |
| |
|
| |
# |
| |
# Initiate a query of an sql database. SQL query repsonses get put in |
| |
# a file for later retrieval. This prevents sql query results from |
| |
# bottlenecking the system. Note that with loncnew, perhaps this is |
| |
# less of an issue since multiple outstanding requests can be concurrently |
| |
# serviced. |
| |
# |
| |
# Parameters: |
| |
# $cmd - COmmand keyword that initiated the request. |
| |
# $tail - Remainder of the command after the keyword. |
| |
# For this function, this consists of a query and |
| |
# 3 arguments that are self-documentingly labelled |
| |
# in the original arg1, arg2, arg3. |
| |
# $client - Socket open on the client. |
| |
# Return: |
| |
# 1 - Indicating processing should continue. |
| |
# Side-effects: |
| |
# a reply is written to $client. |
| |
# |
| |
sub send_query_handler { |
| |
my ($cmd, $tail, $client) = @_; |
| |
|
| |
|
| |
my $userinput = "$cmd:$tail"; |
| |
|
| |
my ($query,$arg1,$arg2,$arg3)=split(/\:/,$tail); |
| |
$query=~s/\n*$//g; |
| |
&Reply($client, "". &sql_reply("$clientname\&$query". |
| |
"\&$arg1"."\&$arg2"."\&$arg3")."\n", |
| |
$userinput); |
| |
|
| |
return 1; |
| |
} |
| |
®ister_handler("querysend", \&send_query_handler, 0, 1, 0); |
| |
|
| |
# |
| |
# Add a reply to an sql query. SQL queries are done asyncrhonously. |
| |
# The query is submitted via a "querysend" transaction. |
| |
# There it is passed on to the lonsql daemon, queued and issued to |
| |
# mysql. |
| |
# This transaction is invoked when the sql transaction is complete |
| |
# it stores the query results in flie and indicates query completion. |
| |
# presumably local software then fetches this response... I'm guessing |
| |
# the sequence is: lonc does a querysend, we ask lonsql to do it. |
| |
# lonsql on completion of the query interacts with the lond of our |
| |
# client to do a query reply storing two files: |
| |
# - id - The results of the query. |
| |
# - id.end - Indicating the transaction completed. |
| |
# NOTE: id is a unique id assigned to the query and querysend time. |
| |
# Parameters: |
| |
# $cmd - Command keyword that initiated this request. |
| |
# $tail - Remainder of the tail. In this case that's a colon |
| |
# separated list containing the query Id and the |
| |
# results of the query. |
| |
# $client - Socket open on the client. |
| |
# Return: |
| |
# 1 - Indicating that we should continue processing. |
| |
# Side effects: |
| |
# ok written to the client. |
| |
# |
| |
sub reply_query_handler { |
| |
my ($cmd, $tail, $client) = @_; |
| |
|
| |
|
| |
my $userinput = "$cmd:$tail"; |
| |
|
| |
my ($cmd,$id,$reply)=split(/:/,$userinput); |
| |
my $store; |
| |
my $execdir=$perlvar{'lonDaemons'}; |
| |
if ($store=IO::File->new(">$execdir/tmp/$id")) { |
| |
$reply=~s/\&/\n/g; |
| |
print $store $reply; |
| |
close $store; |
| |
my $store2=IO::File->new(">$execdir/tmp/$id.end"); |
| |
print $store2 "done\n"; |
| |
close $store2; |
| |
&Reply($client, "ok\n", $userinput); |
| |
} else { |
| |
&Failure($client, "error: ".($!+0) |
| |
." IO::File->new Failed ". |
| |
"while attempting queryreply\n", $userinput); |
| |
} |
| |
|
| |
|
| |
return 1; |
| |
} |
| |
®ister_handler("queryreply", \&reply_query_handler, 0, 1, 0); |
| |
|
| |
# |
| |
# Process the courseidput request. Not quite sure what this means |
| |
# at the system level sense. It appears a gdbm file in the |
| |
# /home/httpd/lonUsers/$domain/nohist_courseids is tied and |
| |
# a set of entries made in that database. |
| |
# |
| |
# Parameters: |
| |
# $cmd - The command keyword that initiated this request. |
| |
# $tail - Tail of the command. In this case consists of a colon |
| |
# separated list contaning the domain to apply this to and |
| |
# an ampersand separated list of keyword=value pairs. |
| |
# Each value is a colon separated list that includes: |
| |
# description, institutional code and course owner. |
| |
# For backward compatibility with versions included |
| |
# in LON-CAPA 1.1.X (and earlier) and 1.2.X, institutional |
| |
# code and/or course owner are preserved from the existing |
| |
# record when writing a new record in response to 1.1 or |
| |
# 1.2 implementations of lonnet::flushcourselogs(). |
| |
# |
| |
# $client - Socket open on the client. |
| |
# Returns: |
| |
# 1 - indicating that processing should continue |
| |
# |
| |
# Side effects: |
| |
# reply is written to the client. |
| |
# |
| |
sub put_course_id_handler { |
| |
my ($cmd, $tail, $client) = @_; |
| |
|
| |
|
| |
my $userinput = "$cmd:$tail"; |
| |
|
| |
my ($udom, $what) = split(/:/, $tail,2); |
| |
chomp($what); |
| |
my $now=time; |
| |
my @pairs=split(/\&/,$what); |
| |
|
| |
my $hashref = &tie_domain_hash($udom, "nohist_courseids", &GDBM_WRCREAT()); |
| |
if ($hashref) { |
| |
foreach my $pair (@pairs) { |
| |
my ($key,$courseinfo) = split(/=/,$pair,2); |
| |
$courseinfo =~ s/=/:/g; |
| |
|
| |
my @current_items = split(/:/,$hashref->{$key}); |
| |
shift(@current_items); # remove description |
| |
pop(@current_items); # remove last access |
| |
my $numcurrent = scalar(@current_items); |
| |
|
| |
my @new_items = split(/:/,$courseinfo); |
| |
my $numnew = scalar(@new_items); |
| |
if ($numcurrent > 0) { |
| |
if ($numnew == 1) { # flushcourselogs() from 1.1 or earlier |
| |
$courseinfo .= ':'.join(':',@current_items); |
| |
} elsif ($numnew == 2) { # flushcourselogs() from 1.2.X |
| |
$courseinfo .= ':'.$current_items[$numcurrent-1]; |
| |
} |
| |
} |
| |
$hashref->{$key}=$courseinfo.':'.$now; |
| |
} |
| |
if (untie(%$hashref)) { |
| |
&Reply( $client, "ok\n", $userinput); |
| |
} else { |
| |
&Failure($client, "error: ".($!+0) |
| |
." untie(GDBM) Failed ". |
| |
"while attempting courseidput\n", $userinput); |
| |
} |
| |
} else { |
| |
&Failure($client, "error: ".($!+0) |
| |
." tie(GDBM) Failed ". |
| |
"while attempting courseidput\n", $userinput); |
| |
} |
| |
|
| |
|
| |
return 1; |
| |
} |
| |
®ister_handler("courseidput", \&put_course_id_handler, 0, 1, 0); |
| |
|
| |
# Retrieves the value of a course id resource keyword pattern |
| |
# defined since a starting date. Both the starting date and the |
| |
# keyword pattern are optional. If the starting date is not supplied it |
| |
# is treated as the beginning of time. If the pattern is not found, |
| |
# it is treatred as "." matching everything. |
| |
# |
| |
# Parameters: |
| |
# $cmd - Command keyword that resulted in us being dispatched. |
| |
# $tail - The remainder of the command that, in this case, consists |
| |
# of a colon separated list of: |
| |
# domain - The domain in which the course database is |
| |
# defined. |
| |
# since - Optional parameter describing the minimum |
| |
# time of definition(?) of the resources that |
| |
# will match the dump. |
| |
# description - regular expression that is used to filter |
| |
# the dump. Only keywords matching this regexp |
| |
# will be used. |
| |
# institutional code - optional supplied code to filter |
| |
# the dump. Only courses with an institutional code |
| |
# that match the supplied code will be returned. |
| |
# owner - optional supplied username of owner to filter |
| |
# the dump. Only courses for which the course |
| |
# owner matches the supplied username will be |
| |
# returned. Implicit assumption that owner |
| |
# is a user in the domain in which the |
| |
# course database is defined. |
| |
# $client - The socket open on the client. |
| |
# Returns: |
| |
# 1 - Continue processing. |
| |
# Side Effects: |
| |
# a reply is written to $client. |
| |
sub dump_course_id_handler { |
| |
my ($cmd, $tail, $client) = @_; |
| |
|
| |
my $userinput = "$cmd:$tail"; |
| |
|
| |
my ($udom,$since,$description,$instcodefilter,$ownerfilter,$coursefilter) =split(/:/,$tail); |
| |
if (defined($description)) { |
| |
$description=&unescape($description); |
| |
} else { |
| |
$description='.'; |
| |
} |
| |
if (defined($instcodefilter)) { |
| |
$instcodefilter=&unescape($instcodefilter); |
| |
} else { |
| |
$instcodefilter='.'; |
| |
} |
| |
if (defined($ownerfilter)) { |
| |
$ownerfilter=&unescape($ownerfilter); |
| |
} else { |
| |
$ownerfilter='.'; |
| |
} |
| |
if (defined($coursefilter)) { |
| |
$coursefilter=&unescape($coursefilter); |
| |
} else { |
| |
$coursefilter='.'; |
| |
} |
| |
|
| |
unless (defined($since)) { $since=0; } |
| |
my $qresult=''; |
| |
my $hashref = &tie_domain_hash($udom, "nohist_courseids", &GDBM_WRCREAT()); |
| |
if ($hashref) { |
| |
while (my ($key,$value) = each(%$hashref)) { |
| |
my ($descr,$lasttime,$inst_code,$owner); |
| |
my @courseitems = split(/:/,$value); |
| |
$lasttime = pop(@courseitems); |
| |
($descr,$inst_code,$owner)=@courseitems; |
| |
if ($lasttime<$since) { next; } |
| |
my $match = 1; |
| |
unless ($description eq '.') { |
| |
my $unescapeDescr = &unescape($descr); |
| |
unless (eval('$unescapeDescr=~/\Q$description\E/i')) { |
| |
$match = 0; |
| |
} |
| |
} |
| |
unless ($instcodefilter eq '.' || !defined($instcodefilter)) { |
| |
my $unescapeInstcode = &unescape($inst_code); |
| |
unless (eval('$unescapeInstcode=~/\Q$instcodefilter\E/i')) { |
| |
$match = 0; |
| |
} |
| |
} |
| |
unless ($ownerfilter eq '.' || !defined($ownerfilter)) { |
| |
my $unescapeOwner = &unescape($owner); |
| |
unless (eval('$unescapeOwner=~/\Q$ownerfilter\E/i')) { |
| |
$match = 0; |
| |
} |
| |
} |
| |
unless ($coursefilter eq '.' || !defined($coursefilter)) { |
| |
my $unescapeCourse = &unescape($key); |
| |
unless (eval('$unescapeCourse=~/^$udom(_)\Q$coursefilter\E$/')) { |
| |
$match = 0; |
| |
} |
| |
} |
| |
if ($match == 1) { |
| |
$qresult.=$key.'='.$descr.':'.$inst_code.':'.$owner.'&'; |
| |
} |
| |
} |
| |
if (untie(%$hashref)) { |
| |
chop($qresult); |
| |
&Reply($client, "$qresult\n", $userinput); |
| |
} else { |
| |
&Failure($client, "error: ".($!+0)." untie(GDBM) Failed ". |
| |
"while attempting courseiddump\n", $userinput); |
| |
} |
| |
} else { |
| |
&Failure($client, "error: ".($!+0)." tie(GDBM) Failed ". |
| |
"while attempting courseiddump\n", $userinput); |
| |
} |
| |
|
| |
|
| |
return 1; |
| |
} |
| |
®ister_handler("courseiddump", \&dump_course_id_handler, 0, 1, 0); |
| |
|
| |
# |
| |
# Puts an id to a domains id database. |
| |
# |
| |
# Parameters: |
| |
# $cmd - The command that triggered us. |
| |
# $tail - Remainder of the request other than the command. This is a |
| |
# colon separated list containing: |
| |
# $domain - The domain for which we are writing the id. |
| |
# $pairs - The id info to write... this is and & separated list |
| |
# of keyword=value. |
| |
# $client - Socket open on the client. |
| |
# Returns: |
| |
# 1 - Continue processing. |
| |
# Side effects: |
| |
# reply is written to $client. |
| |
# |
| |
sub put_id_handler { |
| |
my ($cmd,$tail,$client) = @_; |
| |
|
| |
|
| |
my $userinput = "$cmd:$tail"; |
| |
|
| |
my ($udom,$what)=split(/:/,$tail); |
| |
chomp($what); |
| |
my @pairs=split(/\&/,$what); |
| |
my $hashref = &tie_domain_hash($udom, "ids", &GDBM_WRCREAT(), |
| |
"P", $what); |
| |
if ($hashref) { |
| |
foreach my $pair (@pairs) { |
| |
my ($key,$value)=split(/=/,$pair); |
| |
$hashref->{$key}=$value; |
| |
} |
| |
if (untie(%$hashref)) { |
| |
&Reply($client, "ok\n", $userinput); |
| |
} else { |
| |
&Failure($client, "error: ".($!+0)." untie(GDBM) Failed ". |
| |
"while attempting idput\n", $userinput); |
| |
} |
| |
} else { |
| |
&Failure( $client, "error: ".($!+0)." tie(GDBM) Failed ". |
| |
"while attempting idput\n", $userinput); |
| |
} |
| |
|
| |
return 1; |
| |
} |
| |
®ister_handler("idput", \&put_id_handler, 0, 1, 0); |
| |
|
| |
# |
| |
# Retrieves a set of id values from the id database. |
| |
# Returns an & separated list of results, one for each requested id to the |
| |
# client. |
| |
# |
| |
# Parameters: |
| |
# $cmd - Command keyword that caused us to be dispatched. |
| |
# $tail - Tail of the command. Consists of a colon separated: |
| |
# domain - the domain whose id table we dump |
| |
# ids Consists of an & separated list of |
| |
# id keywords whose values will be fetched. |
| |
# nonexisting keywords will have an empty value. |
| |
# $client - Socket open on the client. |
| |
# |
| |
# Returns: |
| |
# 1 - indicating processing should continue. |
| |
# Side effects: |
| |
# An & separated list of results is written to $client. |
| |
# |
| |
sub get_id_handler { |
| |
my ($cmd, $tail, $client) = @_; |
| |
|
| |
|
| |
my $userinput = "$client:$tail"; |
| |
|
| |
my ($udom,$what)=split(/:/,$tail); |
| |
chomp($what); |
| |
my @queries=split(/\&/,$what); |
| |
my $qresult=''; |
| |
my $hashref = &tie_domain_hash($udom, "ids", &GDBM_READER()); |
| |
if ($hashref) { |
| |
for (my $i=0;$i<=$#queries;$i++) { |
| |
$qresult.="$hashref->{$queries[$i]}&"; |
| |
} |
| |
if (untie(%$hashref)) { |
| |
$qresult=~s/\&$//; |
| |
&Reply($client, "$qresult\n", $userinput); |
| |
} else { |
| |
&Failure( $client, "error: ".($!+0)." untie(GDBM) Failed ". |
| |
"while attempting idget\n",$userinput); |
| |
} |
| |
} else { |
| |
&Failure($client, "error: ".($!+0)." tie(GDBM) Failed ". |
| |
"while attempting idget\n",$userinput); |
| |
} |
| |
|
| |
return 1; |
| |
} |
| |
®ister_handler("idget", \&get_id_handler, 0, 1, 0); |
| |
|
| |
# |
| |
# Process the tmpput command I'm not sure what this does.. Seems to |
| |
# create a file in the lonDaemons/tmp directory of the form $id.tmp |
| |
# where Id is the client's ip concatenated with a sequence number. |
| |
# The file will contain some value that is passed in. Is this e.g. |
| |
# a login token? |
| |
# |
| |
# Parameters: |
| |
# $cmd - The command that got us dispatched. |
| |
# $tail - The remainder of the request following $cmd: |
| |
# In this case this will be the contents of the file. |
| |
# $client - Socket connected to the client. |
| |
# Returns: |
| |
# 1 indicating processing can continue. |
| |
# Side effects: |
| |
# A file is created in the local filesystem. |
| |
# A reply is sent to the client. |
| |
sub tmp_put_handler { |
| |
my ($cmd, $what, $client) = @_; |
| |
|
| |
my $userinput = "$cmd:$what"; # Reconstruct for logging. |
| |
|
| |
|
| |
my $store; |
| |
$tmpsnum++; |
| |
my $id=$$.'_'.$clientip.'_'.$tmpsnum; |
| |
$id=~s/\W/\_/g; |
| |
$what=~s/\n//g; |
| |
my $execdir=$perlvar{'lonDaemons'}; |
| |
if ($store=IO::File->new(">$execdir/tmp/$id.tmp")) { |
| |
print $store $what; |
| |
close $store; |
| |
&Reply($client, "$id\n", $userinput); |
| |
} else { |
| |
&Failure( $client, "error: ".($!+0)."IO::File->new Failed ". |
| |
"while attempting tmpput\n", $userinput); |
| |
} |
| |
return 1; |
| |
|
| |
} |
| |
®ister_handler("tmpput", \&tmp_put_handler, 0, 1, 0); |
| |
|
| |
# Processes the tmpget command. This command returns the contents |
| |
# of a temporary resource file(?) created via tmpput. |
| |
# |
| |
# Paramters: |
| |
# $cmd - Command that got us dispatched. |
| |
# $id - Tail of the command, contain the id of the resource |
| |
# we want to fetch. |
| |
# $client - socket open on the client. |
| |
# Return: |
| |
# 1 - Inidcating processing can continue. |
| |
# Side effects: |
| |
# A reply is sent to the client. |
| |
# |
| |
sub tmp_get_handler { |
| |
my ($cmd, $id, $client) = @_; |
| |
|
| |
my $userinput = "$cmd:$id"; |
| |
|
| |
|
| |
$id=~s/\W/\_/g; |
| |
my $store; |
| |
my $execdir=$perlvar{'lonDaemons'}; |
| |
if ($store=IO::File->new("$execdir/tmp/$id.tmp")) { |
| |
my $reply=<$store>; |
| |
&Reply( $client, "$reply\n", $userinput); |
| |
close $store; |
| |
} else { |
| |
&Failure( $client, "error: ".($!+0)."IO::File->new Failed ". |
| |
"while attempting tmpget\n", $userinput); |
| |
} |
| |
|
| |
return 1; |
| |
} |
| |
®ister_handler("tmpget", \&tmp_get_handler, 0, 1, 0); |
| |
|
| |
# |
| |
# Process the tmpdel command. This command deletes a temp resource |
| |
# created by the tmpput command. |
| |
# |
| |
# Parameters: |
| |
# $cmd - Command that got us here. |
| |
# $id - Id of the temporary resource created. |
| |
# $client - socket open on the client process. |
| |
# |
| |
# Returns: |
| |
# 1 - Indicating processing should continue. |
| |
# Side Effects: |
| |
# A file is deleted |
| |
# A reply is sent to the client. |
| |
sub tmp_del_handler { |
| |
my ($cmd, $id, $client) = @_; |
| |
|
| |
my $userinput= "$cmd:$id"; |
| |
|
| |
chomp($id); |
| |
$id=~s/\W/\_/g; |
| |
my $execdir=$perlvar{'lonDaemons'}; |
| |
if (unlink("$execdir/tmp/$id.tmp")) { |
| |
&Reply($client, "ok\n", $userinput); |
| |
} else { |
| |
&Failure( $client, "error: ".($!+0)."Unlink tmp Failed ". |
| |
"while attempting tmpdel\n", $userinput); |
| |
} |
| |
|
| |
return 1; |
| |
|
| |
} |
| |
®ister_handler("tmpdel", \&tmp_del_handler, 0, 1, 0); |
| |
|
| |
# |
| |
# Processes the setannounce command. This command |
| |
# creates a file named announce.txt in the top directory of |
| |
# the documentn root and sets its contents. The announce.txt file is |
| |
# printed in its entirety at the LonCAPA login page. Note: |
| |
# once the announcement.txt fileis created it cannot be deleted. |
| |
# However, setting the contents of the file to empty removes the |
| |
# announcement from the login page of loncapa so who cares. |
| |
# |
| |
# Parameters: |
| |
# $cmd - The command that got us dispatched. |
| |
# $announcement - The text of the announcement. |
| |
# $client - Socket open on the client process. |
| |
# Retunrns: |
| |
# 1 - Indicating request processing should continue |
| |
# Side Effects: |
| |
# The file {DocRoot}/announcement.txt is created. |
| |
# A reply is sent to $client. |
| |
# |
| |
sub set_announce_handler { |
| |
my ($cmd, $announcement, $client) = @_; |
| |
|
| |
my $userinput = "$cmd:$announcement"; |
| |
|
| |
chomp($announcement); |
| |
$announcement=&unescape($announcement); |
| |
if (my $store=IO::File->new('>'.$perlvar{'lonDocRoot'}. |
| |
'/announcement.txt')) { |
| |
print $store $announcement; |
| |
close $store; |
| |
&Reply($client, "ok\n", $userinput); |
| |
} else { |
| |
&Failure($client, "error: ".($!+0)."\n", $userinput); |
| |
} |
| |
|
| |
return 1; |
| |
} |
| |
®ister_handler("setannounce", \&set_announce_handler, 0, 1, 0); |
| |
|
| |
# |
| |
# Return the version of the daemon. This can be used to determine |
| |
# the compatibility of cross version installations or, alternatively to |
| |
# simply know who's out of date and who isn't. Note that the version |
| |
# is returned concatenated with the tail. |
| |
# Parameters: |
| |
# $cmd - the request that dispatched to us. |
| |
# $tail - Tail of the request (client's version?). |
| |
# $client - Socket open on the client. |
| |
#Returns: |
| |
# 1 - continue processing requests. |
| |
# Side Effects: |
| |
# Replies with version to $client. |
| |
sub get_version_handler { |
| |
my ($cmd, $tail, $client) = @_; |
| |
|
| |
my $userinput = $cmd.$tail; |
| |
|
| |
&Reply($client, &version($userinput)."\n", $userinput); |
| |
|
| |
|
| |
return 1; |
| |
} |
| |
®ister_handler("version", \&get_version_handler, 0, 1, 0); |
| |
|
| |
# Set the current host and domain. This is used to support |
| |
# multihomed systems. Each IP of the system, or even separate daemons |
| |
# on the same IP can be treated as handling a separate lonCAPA virtual |
| |
# machine. This command selects the virtual lonCAPA. The client always |
| |
# knows the right one since it is lonc and it is selecting the domain/system |
| |
# from the hosts.tab file. |
| |
# Parameters: |
| |
# $cmd - Command that dispatched us. |
| |
# $tail - Tail of the command (domain/host requested). |
| |
# $socket - Socket open on the client. |
| |
# |
| |
# Returns: |
| |
# 1 - Indicates the program should continue to process requests. |
| |
# Side-effects: |
| |
# The default domain/system context is modified for this daemon. |
| |
# a reply is sent to the client. |
| |
# |
| |
sub set_virtual_host_handler { |
| |
my ($cmd, $tail, $socket) = @_; |
| |
|
| |
my $userinput ="$cmd:$tail"; |
| |
|
| |
&Reply($client, &sethost($userinput)."\n", $userinput); |
| |
|
| |
|
| |
return 1; |
| |
} |
| |
®ister_handler("sethost", \&set_virtual_host_handler, 0, 1, 0); |
| |
|
| |
# Process a request to exit: |
| |
# - "bye" is sent to the client. |
| |
# - The client socket is shutdown and closed. |
| |
# - We indicate to the caller that we should exit. |
| |
# Formal Parameters: |
| |
# $cmd - The command that got us here. |
| |
# $tail - Tail of the command (empty). |
| |
# $client - Socket open on the tail. |
| |
# Returns: |
| |
# 0 - Indicating the program should exit!! |
| |
# |
| |
sub exit_handler { |
| |
my ($cmd, $tail, $client) = @_; |
| |
|
| |
my $userinput = "$cmd:$tail"; |
| |
|
| |
&logthis("Client $clientip ($clientname) hanging up: $userinput"); |
| |
&Reply($client, "bye\n", $userinput); |
| |
$client->shutdown(2); # shutdown the socket forcibly. |
| |
$client->close(); |
| |
|
| |
return 0; |
| |
} |
| |
®ister_handler("exit", \&exit_handler, 0,1,1); |
| |
®ister_handler("init", \&exit_handler, 0,1,1); |
| |
®ister_handler("quit", \&exit_handler, 0,1,1); |
| |
|
| |
# Determine if auto-enrollment is enabled. |
| |
# Note that the original had what I believe to be a defect. |
| |
# The original returned 0 if the requestor was not a registerd client. |
| |
# It should return "refused". |
| |
# Formal Parameters: |
| |
# $cmd - The command that invoked us. |
| |
# $tail - The tail of the command (Extra command parameters. |
| |
# $client - The socket open on the client that issued the request. |
| |
# Returns: |
| |
# 1 - Indicating processing should continue. |
| |
# |
| |
sub enrollment_enabled_handler { |
| |
my ($cmd, $tail, $client) = @_; |
| |
my $userinput = $cmd.":".$tail; # For logging purposes. |
| |
|
| |
|
| |
my $cdom = split(/:/, $tail); # Domain we're asking about. |
| |
my $outcome = &localenroll::run($cdom); |
| |
&Reply($client, "$outcome\n", $userinput); |
| |
|
| |
return 1; |
| |
} |
| |
®ister_handler("autorun", \&enrollment_enabled_handler, 0, 1, 0); |
| |
|
| |
# Get the official sections for which auto-enrollment is possible. |
| |
# Since the admin people won't know about 'unofficial sections' |
| |
# we cannot auto-enroll on them. |
| |
# Formal Parameters: |
| |
# $cmd - The command request that got us dispatched here. |
| |
# $tail - The remainder of the request. In our case this |
| |
# will be split into: |
| |
# $coursecode - The course name from the admin point of view. |
| |
# $cdom - The course's domain(?). |
| |
# $client - Socket open on the client. |
| |
# Returns: |
| |
# 1 - Indiciting processing should continue. |
| |
# |
| |
sub get_sections_handler { |
| |
my ($cmd, $tail, $client) = @_; |
| |
my $userinput = "$cmd:$tail"; |
| |
|
| |
my ($coursecode, $cdom) = split(/:/, $tail); |
| |
my @secs = &localenroll::get_sections($coursecode,$cdom); |
| |
my $seclist = &escape(join(':',@secs)); |
| |
|
| |
&Reply($client, "$seclist\n", $userinput); |
| |
|
| |
|
| |
return 1; |
| |
} |
| |
®ister_handler("autogetsections", \&get_sections_handler, 0, 1, 0); |
| |
|
| |
# Validate the owner of a new course section. |
| |
# |
| |
# Formal Parameters: |
| |
# $cmd - Command that got us dispatched. |
| |
# $tail - the remainder of the command. For us this consists of a |
| |
# colon separated string containing: |
| |
# $inst - Course Id from the institutions point of view. |
| |
# $owner - Proposed owner of the course. |
| |
# $cdom - Domain of the course (from the institutions |
| |
# point of view?).. |
| |
# $client - Socket open on the client. |
| |
# |
| |
# Returns: |
| |
# 1 - Processing should continue. |
| |
# |
| |
sub validate_course_owner_handler { |
| |
my ($cmd, $tail, $client) = @_; |
| |
my $userinput = "$cmd:$tail"; |
| |
my ($inst_course_id, $owner, $cdom) = split(/:/, $tail); |
| |
|
| |
my $outcome = &localenroll::new_course($inst_course_id,$owner,$cdom); |
| |
&Reply($client, "$outcome\n", $userinput); |
| |
|
| |
|
| |
|
| |
return 1; |
| |
} |
| |
®ister_handler("autonewcourse", \&validate_course_owner_handler, 0, 1, 0); |
| |
|
| |
# |
| |
# Validate a course section in the official schedule of classes |
| |
# from the institutions point of view (part of autoenrollment). |
| |
# |
| |
# Formal Parameters: |
| |
# $cmd - The command request that got us dispatched. |
| |
# $tail - The tail of the command. In this case, |
| |
# this is a colon separated set of words that will be split |
| |
# into: |
| |
# $inst_course_id - The course/section id from the |
| |
# institutions point of view. |
| |
# $cdom - The domain from the institutions |
| |
# point of view. |
| |
# $client - Socket open on the client. |
| |
# Returns: |
| |
# 1 - Indicating processing should continue. |
| |
# |
| |
sub validate_course_section_handler { |
| |
my ($cmd, $tail, $client) = @_; |
| |
my $userinput = "$cmd:$tail"; |
| |
my ($inst_course_id, $cdom) = split(/:/, $tail); |
| |
|
| |
my $outcome=&localenroll::validate_courseID($inst_course_id,$cdom); |
| |
&Reply($client, "$outcome\n", $userinput); |
| |
|
| |
|
| |
return 1; |
| |
} |
| |
®ister_handler("autovalidatecourse", \&validate_course_section_handler, 0, 1, 0); |
| |
|
| |
# |
| |
# Create a password for a new auto-enrollment user. |
| |
# I think/guess, this password allows access to the institutions |
| |
# AIS class list server/services. Stuart can correct this comment |
| |
# when he finds out how wrong I am. |
| |
# |
| |
# Formal Parameters: |
| |
# $cmd - The command request that got us dispatched. |
| |
# $tail - The tail of the command. In this case this is a colon separated |
| |
# set of words that will be split into: |
| |
# $authparam - An authentication parameter (username??). |
| |
# $cdom - The domain of the course from the institution's |
| |
# point of view. |
| |
# $client - The socket open on the client. |
| |
# Returns: |
| |
# 1 - continue processing. |
| |
# |
| |
sub create_auto_enroll_password_handler { |
| |
my ($cmd, $tail, $client) = @_; |
| |
my $userinput = "$cmd:$tail"; |
| |
|
| |
my ($authparam, $cdom) = split(/:/, $userinput); |
| |
|
| |
my ($create_passwd,$authchk); |
| |
($authparam, |
| |
$create_passwd, |
| |
$authchk) = &localenroll::create_password($authparam,$cdom); |
| |
|
| |
&Reply($client, &escape($authparam.':'.$create_passwd.':'.$authchk)."\n", |
| |
$userinput); |
| |
|
| |
|
| |
return 1; |
| |
} |
| |
®ister_handler("autocreatepassword", \&create_auto_enroll_password_handler, |
| |
0, 1, 0); |
| |
|
| |
# Retrieve and remove temporary files created by/during autoenrollment. |
| |
# |
| |
# Formal Parameters: |
| |
# $cmd - The command that got us dispatched. |
| |
# $tail - The tail of the command. In our case this is a colon |
| |
# separated list that will be split into: |
| |
# $filename - The name of the file to remove. |
| |
# The filename is given as a path relative to |
| |
# the LonCAPA temp file directory. |
| |
# $client - Socket open on the client. |
| |
# |
| |
# Returns: |
| |
# 1 - Continue processing. |
| |
sub retrieve_auto_file_handler { |
| |
my ($cmd, $tail, $client) = @_; |
| |
my $userinput = "cmd:$tail"; |
| |
|
| |
my ($filename) = split(/:/, $tail); |
| |
|
| |
my $source = $perlvar{'lonDaemons'}.'/tmp/'.$filename; |
| |
if ( (-e $source) && ($filename ne '') ) { |
| |
my $reply = ''; |
| |
if (open(my $fh,$source)) { |
| |
while (<$fh>) { |
| |
chomp($_); |
| |
$_ =~ s/^\s+//g; |
| |
$_ =~ s/\s+$//g; |
| |
$reply .= $_; |
| |
} |
| |
close($fh); |
| |
&Reply($client, &escape($reply)."\n", $userinput); |
| |
|
| |
# Does this have to be uncommented??!? (RF). |
| |
# |
| |
# unlink($source); |
| |
} else { |
| |
&Failure($client, "error\n", $userinput); |
| |
} |
| |
} else { |
| |
&Failure($client, "error\n", $userinput); |
| |
} |
| |
|
| |
|
| |
return 1; |
| |
} |
| |
®ister_handler("autoretrieve", \&retrieve_auto_file_handler, 0,1,0); |
| |
|
| |
# |
| |
# Read and retrieve institutional code format (for support form). |
| |
# Formal Parameters: |
| |
# $cmd - Command that dispatched us. |
| |
# $tail - Tail of the command. In this case it conatins |
| |
# the course domain and the coursename. |
| |
# $client - Socket open on the client. |
| |
# Returns: |
| |
# 1 - Continue processing. |
| |
# |
| |
sub get_institutional_code_format_handler { |
| |
my ($cmd, $tail, $client) = @_; |
| |
my $userinput = "$cmd:$tail"; |
| |
|
| |
my $reply; |
| |
my($cdom,$course) = split(/:/,$tail); |
| |
my @pairs = split/\&/,$course; |
| |
my %instcodes = (); |
| |
my %codes = (); |
| |
my @codetitles = (); |
| |
my %cat_titles = (); |
| |
my %cat_order = (); |
| |
foreach (@pairs) { |
| |
my ($key,$value) = split/=/,$_; |
| |
$instcodes{&unescape($key)} = &unescape($value); |
| |
} |
| |
my $formatreply = &localenroll::instcode_format($cdom, |
| |
\%instcodes, |
| |
\%codes, |
| |
\@codetitles, |
| |
\%cat_titles, |
| |
\%cat_order); |
| |
if ($formatreply eq 'ok') { |
| |
my $codes_str = &hash2str(%codes); |
| |
my $codetitles_str = &array2str(@codetitles); |
| |
my $cat_titles_str = &hash2str(%cat_titles); |
| |
my $cat_order_str = &hash2str(%cat_order); |
| |
&Reply($client, |
| |
$codes_str.':'.$codetitles_str.':'.$cat_titles_str.':' |
| |
.$cat_order_str."\n", |
| |
$userinput); |
| |
} else { |
| |
# this else branch added by RF since if not ok, lonc will |
| |
# hang waiting on reply until timeout. |
| |
# |
| |
&Reply($client, "format_error\n", $userinput); |
| |
} |
| |
|
| |
return 1; |
| |
} |
| |
®ister_handler("autoinstcodeformat", |
| |
\&get_institutional_code_format_handler,0,1,0); |
| |
|
| |
# |
| |
# Gets a student's photo to exist (in the correct image type) in the user's |
| |
# directory. |
| |
# Formal Parameters: |
| |
# $cmd - The command request that got us dispatched. |
| |
# $tail - A colon separated set of words that will be split into: |
| |
# $domain - student's domain |
| |
# $uname - student username |
| |
# $type - image type desired |
| |
# $client - The socket open on the client. |
| |
# Returns: |
| |
# 1 - continue processing. |
| |
sub student_photo_handler { |
| |
my ($cmd, $tail, $client) = @_; |
| |
my ($domain,$uname,$type) = split(/:/, $tail); |
| |
|
| |
my $path=&propath($domain,$uname). |
| |
'/userfiles/internal/studentphoto.'.$type; |
| |
if (-e $path) { |
| |
&Reply($client,"ok\n","$cmd:$tail"); |
| |
return 1; |
| |
} |
| |
&mkpath($path); |
| |
my $file=&localstudentphoto::fetch($domain,$uname); |
| |
if (!$file) { |
| |
&Failure($client,"unavailable\n","$cmd:$tail"); |
| |
return 1; |
| |
} |
| |
if (!-e $path) { &convert_photo($file,$path); } |
| |
if (-e $path) { |
| |
&Reply($client,"ok\n","$cmd:$tail"); |
| |
return 1; |
| |
} |
| |
&Failure($client,"unable_to_convert\n","$cmd:$tail"); |
| |
return 1; |
| |
} |
| |
®ister_handler("studentphoto", \&student_photo_handler, 0, 1, 0); |
| |
|
| |
# mkpath makes all directories for a file, expects an absolute path with a |
| |
# file or a trailing / if just a dir is passed |
| |
# returns 1 on success 0 on failure |
| |
sub mkpath { |
| |
my ($file)=@_; |
| |
my @parts=split(/\//,$file,-1); |
| |
my $now=$parts[0].'/'.$parts[1].'/'.$parts[2]; |
| |
for (my $i=3;$i<= ($#parts-1);$i++) { |
| |
$now.='/'.$parts[$i]; |
| |
if (!-e $now) { |
| |
if (!mkdir($now,0770)) { return 0; } |
| |
} |
| |
} |
| |
return 1; |
| |
} |
| |
|
| |
#--------------------------------------------------------------- |
| |
# |
| |
# Getting, decoding and dispatching requests: |
| |
# |
| |
# |
| |
# Get a Request: |
| |
# Gets a Request message from the client. The transaction |
| |
# is defined as a 'line' of text. We remove the new line |
| |
# from the text line. |
| |
# |
| |
sub get_request { |
| |
my $input = <$client>; |
| |
chomp($input); |
| |
|
| |
&Debug("get_request: Request = $input\n"); |
| |
|
| |
&status('Processing '.$clientname.':'.$input); |
| |
|
| |
return $input; |
| |
} |
| |
#--------------------------------------------------------------- |
| |
# |
| |
# Process a request. This sub should shrink as each action |
| |
# gets farmed out into a separat sub that is registered |
| |
# with the dispatch hash. |
| |
# |
| |
# Parameters: |
| |
# user_input - The request received from the client (lonc). |
| |
# Returns: |
| |
# true to keep processing, false if caller should exit. |
| |
# |
| |
sub process_request { |
| |
my ($userinput) = @_; # Easier for now to break style than to |
| |
# fix all the userinput -> user_input. |
| |
my $wasenc = 0; # True if request was encrypted. |
| |
# ------------------------------------------------------------ See if encrypted |
| |
if ($userinput =~ /^enc/) { |
| |
$userinput = decipher($userinput); |
| |
$wasenc=1; |
| |
if(!$userinput) { # Cipher not defined. |
| |
&Failure($client, "error: Encrypted data without negotated key\n"); |
| |
return 0; |
| |
} |
| |
} |
| |
Debug("process_request: $userinput\n"); |
| |
|
| |
# |
| |
# The 'correct way' to add a command to lond is now to |
| |
# write a sub to execute it and Add it to the command dispatch |
| |
# hash via a call to register_handler.. The comments to that |
| |
# sub should give you enough to go on to show how to do this |
| |
# along with the examples that are building up as this code |
| |
# is getting refactored. Until all branches of the |
| |
# if/elseif monster below have been factored out into |
| |
# separate procesor subs, if the dispatch hash is missing |
| |
# the command keyword, we will fall through to the remainder |
| |
# of the if/else chain below in order to keep this thing in |
| |
# working order throughout the transmogrification. |
| |
|
| |
my ($command, $tail) = split(/:/, $userinput, 2); |
| |
chomp($command); |
| |
chomp($tail); |
| |
$tail =~ s/(\r)//; # This helps people debugging with e.g. telnet. |
| |
$command =~ s/(\r)//; # And this too for parameterless commands. |
| |
if(!$tail) { |
| |
$tail =""; # defined but blank. |
| |
} |
| |
|
| |
&Debug("Command received: $command, encoded = $wasenc"); |
| |
|
| |
if(defined $Dispatcher{$command}) { |
| |
|
| |
my $dispatch_info = $Dispatcher{$command}; |
| |
my $handler = $$dispatch_info[0]; |
| |
my $need_encode = $$dispatch_info[1]; |
| |
my $client_types = $$dispatch_info[2]; |
| |
Debug("Matched dispatch hash: mustencode: $need_encode " |
| |
."ClientType $client_types"); |
| |
|
| |
# Validate the request: |
| |
|
| |
my $ok = 1; |
| |
my $requesterprivs = 0; |
| |
if(&isClient()) { |
| |
$requesterprivs |= $CLIENT_OK; |
| |
} |
| |
if(&isManager()) { |
| |
$requesterprivs |= $MANAGER_OK; |
| |
} |
| |
if($need_encode && (!$wasenc)) { |
| |
Debug("Must encode but wasn't: $need_encode $wasenc"); |
| |
$ok = 0; |
| |
} |
| |
if(($client_types & $requesterprivs) == 0) { |
| |
Debug("Client not privileged to do this operation"); |
| |
$ok = 0; |
| |
} |
| |
|
| |
if($ok) { |
| |
Debug("Dispatching to handler $command $tail"); |
| |
my $keep_going = &$handler($command, $tail, $client); |
| |
return $keep_going; |
| |
} else { |
| |
Debug("Refusing to dispatch because client did not match requirements"); |
| |
Failure($client, "refused\n", $userinput); |
| |
return 1; |
| |
} |
| |
|
| |
} |
| |
|
| |
print $client "unknown_cmd\n"; |
| |
# -------------------------------------------------------------------- complete |
| |
Debug("process_request - returning 1"); |
| |
return 1; |
| |
} |
| |
# |
| |
# Decipher encoded traffic |
| |
# Parameters: |
| |
# input - Encoded data. |
| |
# Returns: |
| |
# Decoded data or undef if encryption key was not yet negotiated. |
| |
# Implicit input: |
| |
# cipher - This global holds the negotiated encryption key. |
| |
# |
| |
sub decipher { |
| |
my ($input) = @_; |
| |
my $output = ''; |
| |
|
| |
|
| |
if($cipher) { |
| |
my($enc, $enclength, $encinput) = split(/:/, $input); |
| |
for(my $encidx = 0; $encidx < length($encinput); $encidx += 16) { |
| |
$output .= |
| |
$cipher->decrypt(pack("H16", substr($encinput, $encidx, 16))); |
| |
} |
| |
return substr($output, 0, $enclength); |
| |
} else { |
| |
return undef; |
| |
} |
| |
} |
| |
|
| |
# |
| |
# Register a command processor. This function is invoked to register a sub |
| |
# to process a request. Once registered, the ProcessRequest sub can automatically |
| |
# dispatch requests to an appropriate sub, and do the top level validity checking |
| |
# as well: |
| |
# - Is the keyword recognized. |
| |
# - Is the proper client type attempting the request. |
| |
# - Is the request encrypted if it has to be. |
| |
# Parameters: |
| |
# $request_name - Name of the request being registered. |
| |
# This is the command request that will match |
| |
# against the hash keywords to lookup the information |
| |
# associated with the dispatch information. |
| |
# $procedure - Reference to a sub to call to process the request. |
| |
# All subs get called as follows: |
| |
# Procedure($cmd, $tail, $replyfd, $key) |
| |
# $cmd - the actual keyword that invoked us. |
| |
# $tail - the tail of the request that invoked us. |
| |
# $replyfd- File descriptor connected to the client |
| |
# $must_encode - True if the request must be encoded to be good. |
| |
# $client_ok - True if it's ok for a client to request this. |
| |
# $manager_ok - True if it's ok for a manager to request this. |
| |
# Side effects: |
| |
# - On success, the Dispatcher hash has an entry added for the key $RequestName |
| |
# - On failure, the program will die as it's a bad internal bug to try to |
| |
# register a duplicate command handler. |
| |
# |
| |
sub register_handler { |
| |
my ($request_name,$procedure,$must_encode, $client_ok,$manager_ok) = @_; |
| |
|
| |
# Don't allow duplication# |
| |
|
| |
if (defined $Dispatcher{$request_name}) { |
| |
die "Attempting to define a duplicate request handler for $request_name\n"; |
| |
} |
| |
# Build the client type mask: |
| |
|
| |
my $client_type_mask = 0; |
| |
if($client_ok) { |
| |
$client_type_mask |= $CLIENT_OK; |
| |
} |
| |
if($manager_ok) { |
| |
$client_type_mask |= $MANAGER_OK; |
| |
} |
| |
|
| |
# Enter the hash: |
| |
|
| |
my @entry = ($procedure, $must_encode, $client_type_mask); |
| |
|
| |
$Dispatcher{$request_name} = \@entry; |
| |
|
| |
} |
| |
|
| |
|
| |
#------------------------------------------------------------------ |
| |
|
| |
|
| |
|
| |
|
| # |
# |
| # Convert an error return code from lcpasswd to a string value. |
# Convert an error return code from lcpasswd to a string value. |
| # |
# |
|
Line 938 sub catchexception {
|
Line 4259 sub catchexception {
|
| $server->close(); |
$server->close(); |
| die($error); |
die($error); |
| } |
} |
| |
|
| sub timeout { |
sub timeout { |
| &status("Handling Timeout"); |
&status("Handling Timeout"); |
| &logthis("<font color='red'>CRITICAL: TIME OUT ".$$."</font>"); |
&logthis("<font color='red'>CRITICAL: TIME OUT ".$$."</font>"); |
|
Line 946 sub timeout {
|
Line 4266 sub timeout {
|
| } |
} |
| # -------------------------------- Set signal handlers to record abnormal exits |
# -------------------------------- Set signal handlers to record abnormal exits |
| |
|
| |
|
| $SIG{'QUIT'}=\&catchexception; |
$SIG{'QUIT'}=\&catchexception; |
| $SIG{__DIE__}=\&catchexception; |
$SIG{__DIE__}=\&catchexception; |
| |
|
|
Line 1072 sub ReadHostTable {
|
Line 4393 sub ReadHostTable {
|
| my $myloncapaname = $perlvar{'lonHostID'}; |
my $myloncapaname = $perlvar{'lonHostID'}; |
| Debug("My loncapa name is : $myloncapaname"); |
Debug("My loncapa name is : $myloncapaname"); |
| while (my $configline=<CONFIG>) { |
while (my $configline=<CONFIG>) { |
| if (!($configline =~ /^\s*\#/)) { |
if ($configline !~ /^\s*\#/ && $configline !~ /^\s*$/ ) { |
| my ($id,$domain,$role,$name,$ip)=split(/:/,$configline); |
my ($id,$domain,$role,$name)=split(/:/,$configline); |
| chomp($ip); $ip=~s/\D+$//; |
$name=~s/\s//g; |
| |
my $ip = gethostbyname($name); |
| |
if (length($ip) ne 4) { |
| |
&logthis("Skipping host $id name $name no IP $ip found\n"); |
| |
next; |
| |
} |
| |
$ip=inet_ntoa($ip); |
| $hostid{$ip}=$id; # LonCAPA name of host by IP. |
$hostid{$ip}=$id; # LonCAPA name of host by IP. |
| $hostdom{$id}=$domain; # LonCAPA domain name of host. |
$hostdom{$id}=$domain; # LonCAPA domain name of host. |
| $hostip{$id}=$ip; # IP address of host. |
$hostip{$id}=$ip; # IP address of host. |
| $hostdns{$name} = $id; # LonCAPA name of host by DNS. |
$hostdns{$name} = $id; # LonCAPA name of host by DNS. |
| |
|
| if ($id eq $perlvar{'lonHostID'}) { |
if ($id eq $perlvar{'lonHostID'}) { |
|
Line 1146 sub checkchildren {
|
Line 4473 sub checkchildren {
|
| &logthis('Going to check on the children'); |
&logthis('Going to check on the children'); |
| my $docdir=$perlvar{'lonDocRoot'}; |
my $docdir=$perlvar{'lonDocRoot'}; |
| foreach (sort keys %children) { |
foreach (sort keys %children) { |
| sleep 1; |
#sleep 1; |
| unless (kill 'USR1' => $_) { |
unless (kill 'USR1' => $_) { |
| &logthis ('Child '.$_.' is dead'); |
&logthis ('Child '.$_.' is dead'); |
| &logstatus($$.' is dead'); |
&logstatus($$.' is dead'); |
| |
delete($children{$_}); |
| } |
} |
| } |
} |
| sleep 5; |
sleep 5; |
| $SIG{ALRM} = sub { die "timeout" }; |
$SIG{ALRM} = sub { Debug("timeout"); |
| |
die "timeout"; }; |
| $SIG{__DIE__} = 'DEFAULT'; |
$SIG{__DIE__} = 'DEFAULT'; |
| &status("Checking on the children (waiting for reports)"); |
&status("Checking on the children (waiting for reports)"); |
| foreach (sort keys %children) { |
foreach (sort keys %children) { |
|
Line 1167 sub checkchildren {
|
Line 4496 sub checkchildren {
|
| #my $result=`echo 'Killed lond process $_.' | mailto $emailto -s '$subj' > /dev/null`; |
#my $result=`echo 'Killed lond process $_.' | mailto $emailto -s '$subj' > /dev/null`; |
| #$execdir=$perlvar{'lonDaemons'}; |
#$execdir=$perlvar{'lonDaemons'}; |
| #$result=`/bin/cp $execdir/logs/lond.log $execdir/logs/lond.log.$_`; |
#$result=`/bin/cp $execdir/logs/lond.log $execdir/logs/lond.log.$_`; |
| |
delete($children{$_}); |
| alarm(0); |
alarm(0); |
| } |
} |
| } |
} |
|
Line 1174 sub checkchildren {
|
Line 4504 sub checkchildren {
|
| $SIG{ALRM} = 'DEFAULT'; |
$SIG{ALRM} = 'DEFAULT'; |
| $SIG{__DIE__} = \&catchexception; |
$SIG{__DIE__} = \&catchexception; |
| &status("Finished checking children"); |
&status("Finished checking children"); |
| |
&logthis('Finished Checking children'); |
| } |
} |
| |
|
| # --------------------------------------------------------------------- Logging |
# --------------------------------------------------------------------- Logging |
|
Line 1205 sub Debug {
|
Line 4536 sub Debug {
|
| # request - Original request from client. |
# request - Original request from client. |
| # |
# |
| sub Reply { |
sub Reply { |
| |
|
| my ($fd, $reply, $request) = @_; |
my ($fd, $reply, $request) = @_; |
| |
|
| print $fd $reply; |
print $fd $reply; |
| Debug("Request was $request Reply was $reply"); |
Debug("Request was $request Reply was $reply"); |
| |
|
| |
$Transactions++; |
| |
} |
| |
|
| |
|
| |
# |
| |
# Sub to report a failure. |
| |
# This function: |
| |
# - Increments the failure statistic counters. |
| |
# - Invokes Reply to send the error message to the client. |
| |
# Parameters: |
| |
# fd - File descriptor open on the client |
| |
# reply - Reply text to emit. |
| |
# request - The original request message (used by Reply |
| |
# to debug if that's enabled. |
| |
# Implicit outputs: |
| |
# $Failures- The number of failures is incremented. |
| |
# Reply (invoked here) sends a message to the |
| |
# client: |
| |
# |
| |
sub Failure { |
| |
my $fd = shift; |
| |
my $reply = shift; |
| |
my $request = shift; |
| |
|
| |
$Failures++; |
| |
Reply($fd, $reply, $request); # That's simple eh? |
| } |
} |
| # ------------------------------------------------------------------ Log status |
# ------------------------------------------------------------------ Log status |
| |
|
|
Line 1218 sub logstatus {
|
Line 4573 sub logstatus {
|
| &status("Doing logging"); |
&status("Doing logging"); |
| my $docdir=$perlvar{'lonDocRoot'}; |
my $docdir=$perlvar{'lonDocRoot'}; |
| { |
{ |
| my $fh=IO::File->new(">>$docdir/lon-status/londstatus.txt"); |
|
| print $fh $$."\t".$clientname."\t".$currenthostid."\t" |
|
| .$status."\t".$lastlog."\t $keymode\n"; |
|
| $fh->close(); |
|
| } |
|
| &status("Finished londstatus.txt"); |
|
| { |
|
| my $fh=IO::File->new(">$docdir/lon-status/londchld/$$.txt"); |
my $fh=IO::File->new(">$docdir/lon-status/londchld/$$.txt"); |
| print $fh $status."\n".$lastlog."\n".time."\n$keymode"; |
print $fh $status."\n".$lastlog."\n".time."\n$keymode"; |
| $fh->close(); |
$fh->close(); |
| } |
} |
| |
&status("Finished $$.txt"); |
| |
{ |
| |
open(LOG,">>$docdir/lon-status/londstatus.txt"); |
| |
flock(LOG,LOCK_EX); |
| |
print LOG $$."\t".$clientname."\t".$currenthostid."\t" |
| |
.$status."\t".$lastlog."\t $keymode\n"; |
| |
flock(LOG,LOCK_UN); |
| |
close(LOG); |
| |
} |
| &status("Finished logging"); |
&status("Finished logging"); |
| } |
} |
| |
|
|
Line 1330 sub reply {
|
Line 4687 sub reply {
|
| |
|
| # -------------------------------------------------------------- Talk to lonsql |
# -------------------------------------------------------------- Talk to lonsql |
| |
|
| sub sqlreply { |
sub sql_reply { |
| my ($cmd)=@_; |
my ($cmd)=@_; |
| my $answer=subsqlreply($cmd); |
my $answer=&sub_sql_reply($cmd); |
| if ($answer eq 'con_lost') { $answer=subsqlreply($cmd); } |
if ($answer eq 'con_lost') { $answer=&sub_sql_reply($cmd); } |
| return $answer; |
return $answer; |
| } |
} |
| |
|
| sub subsqlreply { |
sub sub_sql_reply { |
| my ($cmd)=@_; |
my ($cmd)=@_; |
| my $unixsock="mysqlsock"; |
my $unixsock="mysqlsock"; |
| my $peerfile="$perlvar{'lonSockDir'}/$unixsock"; |
my $peerfile="$perlvar{'lonSockDir'}/$unixsock"; |
|
Line 1411 $SIG{USR2} = \&UpdateHosts;
|
Line 4768 $SIG{USR2} = \&UpdateHosts;
|
| |
|
| ReadHostTable; |
ReadHostTable; |
| |
|
| |
my $dist=`$perlvar{'lonDaemons'}/distprobe`; |
| |
|
| # -------------------------------------------------------------- |
# -------------------------------------------------------------- |
| # Accept connections. When a connection comes in, it is validated |
# Accept connections. When a connection comes in, it is validated |
| # and if good, a child process is created to process transactions |
# and if good, a child process is created to process transactions |
|
Line 1426 while (1) {
|
Line 4785 while (1) {
|
| |
|
| sub make_new_child { |
sub make_new_child { |
| my $pid; |
my $pid; |
| my $cipher; |
# my $cipher; # Now global |
| my $sigset; |
my $sigset; |
| |
|
| $client = shift; |
$client = shift; |
|
Line 1457 sub make_new_child {
|
Line 4816 sub make_new_child {
|
| if (defined($iaddr)) { |
if (defined($iaddr)) { |
| $clientip = inet_ntoa($iaddr); |
$clientip = inet_ntoa($iaddr); |
| Debug("Connected with $clientip"); |
Debug("Connected with $clientip"); |
| $clientdns = gethostbyaddr($iaddr, AF_INET); |
|
| Debug("Connected with $clientdns by name"); |
|
| } else { |
} else { |
| &logthis("Unable to determine clientip"); |
&logthis("Unable to determine clientip"); |
| $clientip='Unavailable'; |
$clientip='Unavailable'; |
|
Line 1485 sub make_new_child {
|
Line 4842 sub make_new_child {
|
| sigprocmask(SIG_UNBLOCK, $sigset) |
sigprocmask(SIG_UNBLOCK, $sigset) |
| or die "Can't unblock SIGINT for fork: $!\n"; |
or die "Can't unblock SIGINT for fork: $!\n"; |
| |
|
| my $tmpsnum=0; |
# my $tmpsnum=0; # Now global |
| #---------------------------------------------------- kerberos 5 initialization |
#---------------------------------------------------- kerberos 5 initialization |
| &Authen::Krb5::init_context(); |
&Authen::Krb5::init_context(); |
| &Authen::Krb5::init_ets(); |
if ($dist ne 'fedora4') { |
| |
&Authen::Krb5::init_ets(); |
| |
} |
| |
|
| &status('Accepted connection'); |
&status('Accepted connection'); |
| # ============================================================================= |
# ============================================================================= |
|
Line 1498 sub make_new_child {
|
Line 4857 sub make_new_child {
|
| |
|
| ReadManagerTable; # May also be a manager!! |
ReadManagerTable; # May also be a manager!! |
| |
|
| my $clientrec=($hostid{$clientip} ne undef); |
my $outsideip=$clientip; |
| my $ismanager=($managers{$clientip} ne undef); |
if ($clientip eq '127.0.0.1') { |
| |
$outsideip=$hostip{$perlvar{'lonHostID'}}; |
| |
} |
| |
|
| |
my $clientrec=($hostid{$outsideip} ne undef); |
| |
my $ismanager=($managers{$outsideip} ne undef); |
| $clientname = "[unknonwn]"; |
$clientname = "[unknonwn]"; |
| if($clientrec) { # Establish client type. |
if($clientrec) { # Establish client type. |
| $ConnectionType = "client"; |
$ConnectionType = "client"; |
| $clientname = $hostid{$clientip}; |
$clientname = $hostid{$outsideip}; |
| if($ismanager) { |
if($ismanager) { |
| $ConnectionType = "both"; |
$ConnectionType = "both"; |
| } |
} |
| } else { |
} else { |
| $ConnectionType = "manager"; |
$ConnectionType = "manager"; |
| $clientname = $managers{$clientip}; |
$clientname = $managers{$outsideip}; |
| } |
} |
| my $clientok; |
my $clientok; |
| |
|
|
Line 1543 sub make_new_child {
|
Line 4907 sub make_new_child {
|
| $inittype = ""; # This forces insecure attempt. |
$inittype = ""; # This forces insecure attempt. |
| &logthis("<font color=\"blue\"> Certificates not " |
&logthis("<font color=\"blue\"> Certificates not " |
| ."installed -- trying insecure auth</font>"); |
."installed -- trying insecure auth</font>"); |
| } |
} else { # SSL certificates are in place so |
| else { # SSL certificates are in place so |
|
| } # Leave the inittype alone. |
} # Leave the inittype alone. |
| } |
} |
| |
|
|
Line 1623 sub make_new_child {
|
Line 4986 sub make_new_child {
|
| &logthis("<font color='green'>Established connection: $clientname</font>"); |
&logthis("<font color='green'>Established connection: $clientname</font>"); |
| &status('Will listen to '.$clientname); |
&status('Will listen to '.$clientname); |
| # ------------------------------------------------------------ Process requests |
# ------------------------------------------------------------ Process requests |
| while (my $userinput=<$client>) { |
my $keep_going = 1; |
| chomp($userinput); |
my $user_input; |
| Debug("Request = $userinput\n"); |
while(($user_input = get_request) && $keep_going) { |
| &status('Processing '.$clientname.': '.$userinput); |
alarm(120); |
| my $wasenc=0; |
Debug("Main: Got $user_input\n"); |
| alarm(120); |
$keep_going = &process_request($user_input); |
| # ------------------------------------------------------------ See if encrypted |
|
| if ($userinput =~ /^enc/) { |
|
| if ($cipher) { |
|
| my ($cmd,$cmdlength,$encinput)=split(/:/,$userinput); |
|
| $userinput=''; |
|
| for (my $encidx=0;$encidx<length($encinput);$encidx+=16) { |
|
| $userinput.= |
|
| $cipher->decrypt( |
|
| pack("H16",substr($encinput,$encidx,16)) |
|
| ); |
|
| } |
|
| $userinput=substr($userinput,0,$cmdlength); |
|
| $wasenc=1; |
|
| } |
|
| } |
|
| |
|
| # ------------------------------------------------------------- Normal commands |
|
| # ------------------------------------------------------------------------ ping |
|
| if ($userinput =~ /^ping/) { # client only |
|
| if(isClient) { |
|
| print $client "$currenthostid\n"; |
|
| } else { |
|
| Reply($client, "refused\n", $userinput); |
|
| } |
|
| # ------------------------------------------------------------------------ pong |
|
| }elsif ($userinput =~ /^pong/) { # client only |
|
| if(isClient) { |
|
| my $reply=&reply("ping",$clientname); |
|
| print $client "$currenthostid:$reply\n"; |
|
| } else { |
|
| Reply($client, "refused\n", $userinput); |
|
| } |
|
| # ------------------------------------------------------------------------ ekey |
|
| } elsif ($userinput =~ /^ekey/) { # ok for both clients & mgrs |
|
| my $buildkey=time.$$.int(rand 100000); |
|
| $buildkey=~tr/1-6/A-F/; |
|
| $buildkey=int(rand 100000).$buildkey.int(rand 100000); |
|
| my $key=$currenthostid.$clientname; |
|
| $key=~tr/a-z/A-Z/; |
|
| $key=~tr/G-P/0-9/; |
|
| $key=~tr/Q-Z/0-9/; |
|
| $key=$key.$buildkey.$key.$buildkey.$key.$buildkey; |
|
| $key=substr($key,0,32); |
|
| my $cipherkey=pack("H32",$key); |
|
| $cipher=new IDEA $cipherkey; |
|
| print $client "$buildkey\n"; |
|
| # ------------------------------------------------------------------------ load |
|
| } elsif ($userinput =~ /^load/) { # client only |
|
| if (isClient) { |
|
| my $loadavg; |
|
| { |
|
| my $loadfile=IO::File->new('/proc/loadavg'); |
|
| $loadavg=<$loadfile>; |
|
| } |
|
| $loadavg =~ s/\s.*//g; |
|
| my $loadpercent=100*$loadavg/$perlvar{'lonLoadLim'}; |
|
| print $client "$loadpercent\n"; |
|
| } else { |
|
| Reply($client, "refused\n", $userinput); |
|
| |
|
| } |
|
| # -------------------------------------------------------------------- userload |
|
| } elsif ($userinput =~ /^userload/) { # client only |
|
| if(isClient) { |
|
| my $userloadpercent=&userload(); |
|
| print $client "$userloadpercent\n"; |
|
| } else { |
|
| Reply($client, "refused\n", $userinput); |
|
| |
|
| } |
|
| # |
|
| # Transactions requiring encryption: |
|
| # |
|
| # ----------------------------------------------------------------- currentauth |
|
| } elsif ($userinput =~ /^currentauth/) { |
|
| if (($wasenc==1) && isClient) { # Encoded & client only. |
|
| my ($cmd,$udom,$uname)=split(/:/,$userinput); |
|
| my $result = GetAuthType($udom, $uname); |
|
| if($result eq "nouser") { |
|
| print $client "unknown_user\n"; |
|
| } |
|
| else { |
|
| print $client "$result\n" |
|
| } |
|
| } else { |
|
| Reply($client, "refused\n", $userinput); |
|
| |
|
| } |
|
| #--------------------------------------------------------------------- pushfile |
|
| } elsif($userinput =~ /^pushfile/) { # encoded & manager. |
|
| if(($wasenc == 1) && isManager) { |
|
| my $cert = GetCertificate($userinput); |
|
| if(ValidManager($cert)) { |
|
| my $reply = PushFile($userinput); |
|
| print $client "$reply\n"; |
|
| } else { |
|
| print $client "refused\n"; |
|
| } |
|
| } else { |
|
| Reply($client, "refused\n", $userinput); |
|
| |
|
| } |
|
| #--------------------------------------------------------------------- reinit |
|
| } elsif($userinput =~ /^reinit/) { # Encoded and manager |
|
| if (($wasenc == 1) && isManager) { |
|
| my $cert = GetCertificate($userinput); |
|
| if(ValidManager($cert)) { |
|
| chomp($userinput); |
|
| my $reply = ReinitProcess($userinput); |
|
| print $client "$reply\n"; |
|
| } else { |
|
| print $client "refused\n"; |
|
| } |
|
| } else { |
|
| Reply($client, "refused\n", $userinput); |
|
| } |
|
| #------------------------------------------------------------------------- edit |
|
| } elsif ($userinput =~ /^edit/) { # encoded and manager: |
|
| if(($wasenc ==1) && (isManager)) { |
|
| my $cert = GetCertificate($userinput); |
|
| if(ValidManager($cert)) { |
|
| my($command, $filetype, $script) = split(/:/, $userinput); |
|
| if (($filetype eq "hosts") || ($filetype eq "domain")) { |
|
| if($script ne "") { |
|
| Reply($client, EditFile($userinput)); |
|
| } else { |
|
| Reply($client,"refused\n",$userinput); |
|
| } |
|
| } else { |
|
| Reply($client,"refused\n",$userinput); |
|
| } |
|
| } else { |
|
| Reply($client,"refused\n",$userinput); |
|
| } |
|
| } else { |
|
| Reply($client,"refused\n",$userinput); |
|
| } |
|
| # ------------------------------------------------------------------------ auth |
|
| } elsif ($userinput =~ /^auth/) { # Encoded and client only. |
|
| if (($wasenc==1) && isClient) { |
|
| my ($cmd,$udom,$uname,$upass)=split(/:/,$userinput); |
|
| chomp($upass); |
|
| $upass=unescape($upass); |
|
| my $proname=propath($udom,$uname); |
|
| my $passfilename="$proname/passwd"; |
|
| if (-e $passfilename) { |
|
| my $pf = IO::File->new($passfilename); |
|
| my $realpasswd=<$pf>; |
|
| chomp($realpasswd); |
|
| my ($howpwd,$contentpwd)=split(/:/,$realpasswd); |
|
| my $pwdcorrect=0; |
|
| if ($howpwd eq 'internal') { |
|
| &Debug("Internal auth"); |
|
| $pwdcorrect= |
|
| (crypt($upass,$contentpwd) eq $contentpwd); |
|
| } elsif ($howpwd eq 'unix') { |
|
| &Debug("Unix auth"); |
|
| if((getpwnam($uname))[1] eq "") { #no such user! |
|
| $pwdcorrect = 0; |
|
| } else { |
|
| $contentpwd=(getpwnam($uname))[1]; |
|
| my $pwauth_path="/usr/local/sbin/pwauth"; |
|
| unless ($contentpwd eq 'x') { |
|
| $pwdcorrect= |
|
| (crypt($upass,$contentpwd) eq |
|
| $contentpwd); |
|
| } |
|
| |
|
| elsif (-e $pwauth_path) { |
|
| open PWAUTH, "|$pwauth_path" or |
|
| die "Cannot invoke authentication"; |
|
| print PWAUTH "$uname\n$upass\n"; |
|
| close PWAUTH; |
|
| $pwdcorrect=!$?; |
|
| } |
|
| } |
|
| } elsif ($howpwd eq 'krb4') { |
|
| my $null=pack("C",0); |
|
| unless ($upass=~/$null/) { |
|
| my $krb4_error = &Authen::Krb4::get_pw_in_tkt |
|
| ($uname,"",$contentpwd,'krbtgt', |
|
| $contentpwd,1,$upass); |
|
| if (!$krb4_error) { |
|
| $pwdcorrect = 1; |
|
| } else { |
|
| $pwdcorrect=0; |
|
| # log error if it is not a bad password |
|
| if ($krb4_error != 62) { |
|
| &logthis('krb4:'.$uname.','. |
|
| &Authen::Krb4::get_err_txt($Authen::Krb4::error)); |
|
| } |
|
| } |
|
| } |
|
| } elsif ($howpwd eq 'krb5') { |
|
| my $null=pack("C",0); |
|
| unless ($upass=~/$null/) { |
|
| my $krbclient=&Authen::Krb5::parse_name($uname.'@'.$contentpwd); |
|
| my $krbservice="krbtgt/".$contentpwd."\@".$contentpwd; |
|
| my $krbserver=&Authen::Krb5::parse_name($krbservice); |
|
| my $credentials=&Authen::Krb5::cc_default(); |
|
| $credentials->initialize($krbclient); |
|
| my $krbreturn = |
|
| &Authen::Krb5::get_in_tkt_with_password( |
|
| $krbclient,$krbserver,$upass,$credentials); |
|
| # unless ($krbreturn) { |
|
| # &logthis("Krb5 Error: ". |
|
| # &Authen::Krb5::error()); |
|
| # } |
|
| $pwdcorrect = ($krbreturn == 1); |
|
| } else { $pwdcorrect=0; } |
|
| } elsif ($howpwd eq 'localauth') { |
|
| $pwdcorrect=&localauth::localauth($uname,$upass, |
|
| $contentpwd); |
|
| } |
|
| if ($pwdcorrect) { |
|
| print $client "authorized\n"; |
|
| } else { |
|
| print $client "non_authorized\n"; |
|
| } |
|
| } else { |
|
| print $client "unknown_user\n"; |
|
| } |
|
| } else { |
|
| Reply($client, "refused\n", $userinput); |
|
| |
|
| } |
|
| # ---------------------------------------------------------------------- passwd |
|
| } elsif ($userinput =~ /^passwd/) { # encoded and client |
|
| if (($wasenc==1) && isClient) { |
|
| my |
|
| ($cmd,$udom,$uname,$upass,$npass)=split(/:/,$userinput); |
|
| chomp($npass); |
|
| $upass=&unescape($upass); |
|
| $npass=&unescape($npass); |
|
| &Debug("Trying to change password for $uname"); |
|
| my $proname=propath($udom,$uname); |
|
| my $passfilename="$proname/passwd"; |
|
| if (-e $passfilename) { |
|
| my $realpasswd; |
|
| { my $pf = IO::File->new($passfilename); |
|
| $realpasswd=<$pf>; } |
|
| chomp($realpasswd); |
|
| my ($howpwd,$contentpwd)=split(/:/,$realpasswd); |
|
| if ($howpwd eq 'internal') { |
|
| &Debug("internal auth"); |
|
| if (crypt($upass,$contentpwd) eq $contentpwd) { |
|
| my $salt=time; |
|
| $salt=substr($salt,6,2); |
|
| my $ncpass=crypt($npass,$salt); |
|
| { |
|
| my $pf; |
|
| if ($pf = IO::File->new(">$passfilename")) { |
|
| print $pf "internal:$ncpass\n"; |
|
| &logthis("Result of password change for $uname: pwchange_success"); |
|
| print $client "ok\n"; |
|
| } else { |
|
| &logthis("Unable to open $uname passwd to change password"); |
|
| print $client "non_authorized\n"; |
|
| } |
|
| } |
|
| |
|
| } else { |
|
| print $client "non_authorized\n"; |
|
| } |
|
| } elsif ($howpwd eq 'unix') { |
|
| # Unix means we have to access /etc/password |
|
| # one way or another. |
|
| # First: Make sure the current password is |
|
| # correct |
|
| &Debug("auth is unix"); |
|
| $contentpwd=(getpwnam($uname))[1]; |
|
| my $pwdcorrect = "0"; |
|
| my $pwauth_path="/usr/local/sbin/pwauth"; |
|
| unless ($contentpwd eq 'x') { |
|
| $pwdcorrect= |
|
| (crypt($upass,$contentpwd) eq $contentpwd); |
|
| } elsif (-e $pwauth_path) { |
|
| open PWAUTH, "|$pwauth_path" or |
|
| die "Cannot invoke authentication"; |
|
| print PWAUTH "$uname\n$upass\n"; |
|
| close PWAUTH; |
|
| &Debug("exited pwauth with $? ($uname,$upass) "); |
|
| $pwdcorrect=($? == 0); |
|
| } |
|
| if ($pwdcorrect) { |
|
| my $execdir=$perlvar{'lonDaemons'}; |
|
| &Debug("Opening lcpasswd pipeline"); |
|
| my $pf = IO::File->new("|$execdir/lcpasswd > $perlvar{'lonDaemons'}/logs/lcpasswd.log"); |
|
| print $pf "$uname\n$npass\n$npass\n"; |
|
| close $pf; |
|
| my $err = $?; |
|
| my $result = ($err>0 ? 'pwchange_failure' |
|
| : 'ok'); |
|
| &logthis("Result of password change for $uname: ". |
|
| &lcpasswdstrerror($?)); |
|
| print $client "$result\n"; |
|
| } else { |
|
| print $client "non_authorized\n"; |
|
| } |
|
| } else { |
|
| print $client "auth_mode_error\n"; |
|
| } |
|
| } else { |
|
| print $client "unknown_user\n"; |
|
| } |
|
| } else { |
|
| Reply($client, "refused\n", $userinput); |
|
| |
|
| } |
|
| # -------------------------------------------------------------------- makeuser |
|
| } elsif ($userinput =~ /^makeuser/) { # encoded and client. |
|
| &Debug("Make user received"); |
|
| my $oldumask=umask(0077); |
|
| if (($wasenc==1) && isClient) { |
|
| my |
|
| ($cmd,$udom,$uname,$umode,$npass)=split(/:/,$userinput); |
|
| &Debug("cmd =".$cmd." $udom =".$udom. |
|
| " uname=".$uname); |
|
| chomp($npass); |
|
| $npass=&unescape($npass); |
|
| my $proname=propath($udom,$uname); |
|
| my $passfilename="$proname/passwd"; |
|
| &Debug("Password file created will be:". |
|
| $passfilename); |
|
| if (-e $passfilename) { |
|
| print $client "already_exists\n"; |
|
| } elsif ($udom ne $currentdomainid) { |
|
| print $client "not_right_domain\n"; |
|
| } else { |
|
| my @fpparts=split(/\//,$proname); |
|
| my $fpnow=$fpparts[0].'/'.$fpparts[1].'/'.$fpparts[2]; |
|
| my $fperror=''; |
|
| for (my $i=3;$i<=$#fpparts;$i++) { |
|
| $fpnow.='/'.$fpparts[$i]; |
|
| unless (-e $fpnow) { |
|
| unless (mkdir($fpnow,0777)) { |
|
| $fperror="error: ".($!+0) |
|
| ." mkdir failed while attempting " |
|
| ."makeuser"; |
|
| } |
|
| } |
|
| } |
|
| unless ($fperror) { |
|
| my $result=&make_passwd_file($uname, $umode,$npass, |
|
| $passfilename); |
|
| print $client $result; |
|
| } else { |
|
| print $client "$fperror\n"; |
|
| } |
|
| } |
|
| } else { |
|
| Reply($client, "refused\n", $userinput); |
|
| |
|
| } |
|
| umask($oldumask); |
|
| # -------------------------------------------------------------- changeuserauth |
|
| } elsif ($userinput =~ /^changeuserauth/) { # encoded & client |
|
| &Debug("Changing authorization"); |
|
| if (($wasenc==1) && isClient) { |
|
| my |
|
| ($cmd,$udom,$uname,$umode,$npass)=split(/:/,$userinput); |
|
| chomp($npass); |
|
| &Debug("cmd = ".$cmd." domain= ".$udom. |
|
| "uname =".$uname." umode= ".$umode); |
|
| $npass=&unescape($npass); |
|
| my $proname=&propath($udom,$uname); |
|
| my $passfilename="$proname/passwd"; |
|
| if ($udom ne $currentdomainid) { |
|
| print $client "not_right_domain\n"; |
|
| } else { |
|
| my $result=&make_passwd_file($uname, $umode,$npass, |
|
| $passfilename); |
|
| print $client $result; |
|
| } |
|
| } else { |
|
| Reply($client, "refused\n", $userinput); |
|
| |
|
| } |
|
| # ------------------------------------------------------------------------ home |
|
| } elsif ($userinput =~ /^home/) { # client clear or encoded |
|
| if(isClient) { |
|
| my ($cmd,$udom,$uname)=split(/:/,$userinput); |
|
| chomp($uname); |
|
| my $proname=propath($udom,$uname); |
|
| if (-e $proname) { |
|
| print $client "found\n"; |
|
| } else { |
|
| print $client "not_found\n"; |
|
| } |
|
| } else { |
|
| Reply($client, "refused\n", $userinput); |
|
| |
|
| } |
|
| # ---------------------------------------------------------------------- update |
|
| } elsif ($userinput =~ /^update/) { # client clear or encoded. |
|
| if(isClient) { |
|
| my ($cmd,$fname)=split(/:/,$userinput); |
|
| my $ownership=ishome($fname); |
|
| if ($ownership eq 'not_owner') { |
|
| if (-e $fname) { |
|
| my ($dev,$ino,$mode,$nlink, |
|
| $uid,$gid,$rdev,$size, |
|
| $atime,$mtime,$ctime, |
|
| $blksize,$blocks)=stat($fname); |
|
| my $now=time; |
|
| my $since=$now-$atime; |
|
| if ($since>$perlvar{'lonExpire'}) { |
|
| my $reply= |
|
| &reply("unsub:$fname","$clientname"); |
|
| unlink("$fname"); |
|
| } else { |
|
| my $transname="$fname.in.transfer"; |
|
| my $remoteurl= |
|
| &reply("sub:$fname","$clientname"); |
|
| my $response; |
|
| { |
|
| my $ua=new LWP::UserAgent; |
|
| my $request=new HTTP::Request('GET',"$remoteurl"); |
|
| $response=$ua->request($request,$transname); |
|
| } |
|
| if ($response->is_error()) { |
|
| unlink($transname); |
|
| my $message=$response->status_line; |
|
| &logthis( |
|
| "LWP GET: $message for $fname ($remoteurl)"); |
|
| } else { |
|
| if ($remoteurl!~/\.meta$/) { |
|
| my $ua=new LWP::UserAgent; |
|
| my $mrequest= |
|
| new HTTP::Request('GET',$remoteurl.'.meta'); |
|
| my $mresponse= |
|
| $ua->request($mrequest,$fname.'.meta'); |
|
| if ($mresponse->is_error()) { |
|
| unlink($fname.'.meta'); |
|
| } |
|
| } |
|
| rename($transname,$fname); |
|
| } |
|
| } |
|
| print $client "ok\n"; |
|
| } else { |
|
| print $client "not_found\n"; |
|
| } |
|
| } else { |
|
| print $client "rejected\n"; |
|
| } |
|
| } else { |
|
| Reply($client, "refused\n", $userinput); |
|
| |
|
| } |
|
| # -------------------------------------- fetch a user file from a remote server |
|
| } elsif ($userinput =~ /^fetchuserfile/) { # Client clear or enc. |
|
| if(isClient) { |
|
| my ($cmd,$fname)=split(/:/,$userinput); |
|
| my ($udom,$uname,$ufile) = ($fname =~ m|^([^/]+)/([^/]+)/(.+)$|); |
|
| my $udir=propath($udom,$uname).'/userfiles'; |
|
| unless (-e $udir) { mkdir($udir,0770); } |
|
| if (-e $udir) { |
|
| $ufile=~s/^[\.\~]+//; |
|
| my $path = $udir; |
|
| if ($ufile =~m|(.+)/([^/]+)$|) { |
|
| my @parts=split('/',$1); |
|
| foreach my $part (@parts) { |
|
| $path .= '/'.$part; |
|
| if ((-e $path)!=1) { |
|
| mkdir($path,0770); |
|
| } |
|
| } |
|
| } |
|
| my $destname=$udir.'/'.$ufile; |
|
| my $transname=$udir.'/'.$ufile.'.in.transit'; |
|
| my $remoteurl='http://'.$clientip.'/userfiles/'.$fname; |
|
| my $response; |
|
| { |
|
| my $ua=new LWP::UserAgent; |
|
| my $request=new HTTP::Request('GET',"$remoteurl"); |
|
| $response=$ua->request($request,$transname); |
|
| } |
|
| if ($response->is_error()) { |
|
| unlink($transname); |
|
| my $message=$response->status_line; |
|
| &logthis("LWP GET: $message for $fname ($remoteurl)"); |
|
| print $client "failed\n"; |
|
| } else { |
|
| if (!rename($transname,$destname)) { |
|
| &logthis("Unable to move $transname to $destname"); |
|
| unlink($transname); |
|
| print $client "failed\n"; |
|
| } else { |
|
| print $client "ok\n"; |
|
| } |
|
| } |
|
| } else { |
|
| print $client "not_home\n"; |
|
| } |
|
| } else { |
|
| Reply($client, "refused\n", $userinput); |
|
| } |
|
| # --------------------------------------------------------- remove a user file |
|
| } elsif ($userinput =~ /^removeuserfile/) { # Client clear or enc. |
|
| if(isClient) { |
|
| my ($cmd,$fname)=split(/:/,$userinput); |
|
| my ($udom,$uname,$ufile) = ($fname =~ m|^([^/]+)/([^/]+)/(.+)$|); |
|
| &logthis("$udom - $uname - $ufile"); |
|
| if ($ufile =~m|/\.\./|) { |
|
| # any files paths with /../ in them refuse |
|
| # to deal with |
|
| print $client "refused\n"; |
|
| } else { |
|
| my $udir=propath($udom,$uname); |
|
| if (-e $udir) { |
|
| my $file=$udir.'/userfiles/'.$ufile; |
|
| if (-e $file) { |
|
| unlink($file); |
|
| if (-e $file) { |
|
| print $client "failed\n"; |
|
| } else { |
|
| print $client "ok\n"; |
|
| } |
|
| } else { |
|
| print $client "not_found\n"; |
|
| } |
|
| } else { |
|
| print $client "not_home\n"; |
|
| } |
|
| } |
|
| } else { |
|
| Reply($client, "refused\n", $userinput); |
|
| } |
|
| # ------------------------------------------ authenticate access to a user file |
|
| } elsif ($userinput =~ /^tokenauthuserfile/) { # Client only |
|
| if(isClient) { |
|
| my ($cmd,$fname,$session)=split(/:/,$userinput); |
|
| chomp($session); |
|
| my $reply='non_auth'; |
|
| if (open(ENVIN,$perlvar{'lonIDsDir'}.'/'. |
|
| $session.'.id')) { |
|
| while (my $line=<ENVIN>) { |
|
| if ($line=~ m|userfile\.\Q$fname\E\=|) { $reply='ok'; } |
|
| } |
|
| close(ENVIN); |
|
| print $client $reply."\n"; |
|
| } else { |
|
| print $client "invalid_token\n"; |
|
| } |
|
| } else { |
|
| Reply($client, "refused\n", $userinput); |
|
| |
|
| } |
|
| # ----------------------------------------------------------------- unsubscribe |
|
| } elsif ($userinput =~ /^unsub/) { |
|
| if(isClient) { |
|
| my ($cmd,$fname)=split(/:/,$userinput); |
|
| if (-e $fname) { |
|
| print $client &unsub($fname,$clientip); |
|
| } else { |
|
| print $client "not_found\n"; |
|
| } |
|
| } else { |
|
| Reply($client, "refused\n", $userinput); |
|
| |
|
| } |
|
| # ------------------------------------------------------------------- subscribe |
|
| } elsif ($userinput =~ /^sub/) { |
|
| if(isClient) { |
|
| print $client &subscribe($userinput,$clientip); |
|
| } else { |
|
| Reply($client, "refused\n", $userinput); |
|
| |
|
| } |
|
| # ------------------------------------------------------------- current version |
|
| } elsif ($userinput =~ /^currentversion/) { |
|
| if(isClient) { |
|
| my ($cmd,$fname)=split(/:/,$userinput); |
|
| print $client ¤tversion($fname)."\n"; |
|
| } else { |
|
| Reply($client, "refused\n", $userinput); |
|
| |
|
| } |
|
| # ------------------------------------------------------------------------- log |
|
| } elsif ($userinput =~ /^log/) { |
|
| if(isClient) { |
|
| my ($cmd,$udom,$uname,$what)=split(/:/,$userinput); |
|
| chomp($what); |
|
| my $proname=propath($udom,$uname); |
|
| my $now=time; |
|
| { |
|
| my $hfh; |
|
| if ($hfh=IO::File->new(">>$proname/activity.log")) { |
|
| print $hfh "$now:$clientname:$what\n"; |
|
| print $client "ok\n"; |
|
| } else { |
|
| print $client "error: ".($!+0) |
|
| ." IO::File->new Failed " |
|
| ."while attempting log\n"; |
|
| } |
|
| } |
|
| } else { |
|
| Reply($client, "refused\n", $userinput); |
|
| |
|
| } |
|
| # ------------------------------------------------------------------------- put |
|
| } elsif ($userinput =~ /^put/) { |
|
| if(isClient) { |
|
| my ($cmd,$udom,$uname,$namespace,$what) |
|
| =split(/:/,$userinput); |
|
| $namespace=~s/\//\_/g; |
|
| $namespace=~s/\W//g; |
|
| if ($namespace ne 'roles') { |
|
| chomp($what); |
|
| my $proname=propath($udom,$uname); |
|
| my $now=time; |
|
| unless ($namespace=~/^nohist\_/) { |
|
| my $hfh; |
|
| if ( |
|
| $hfh=IO::File->new(">>$proname/$namespace.hist") |
|
| ) { print $hfh "P:$now:$what\n"; } |
|
| } |
|
| my @pairs=split(/\&/,$what); |
|
| my %hash; |
|
| if (tie(%hash,'GDBM_File', |
|
| "$proname/$namespace.db", |
|
| &GDBM_WRCREAT(),0640)) { |
|
| foreach my $pair (@pairs) { |
|
| my ($key,$value)=split(/=/,$pair); |
|
| $hash{$key}=$value; |
|
| } |
|
| if (untie(%hash)) { |
|
| print $client "ok\n"; |
|
| } else { |
|
| print $client "error: ".($!+0) |
|
| ." untie(GDBM) failed ". |
|
| "while attempting put\n"; |
|
| } |
|
| } else { |
|
| print $client "error: ".($!) |
|
| ." tie(GDBM) Failed ". |
|
| "while attempting put\n"; |
|
| } |
|
| } else { |
|
| print $client "refused\n"; |
|
| } |
|
| } else { |
|
| Reply($client, "refused\n", $userinput); |
|
| |
|
| } |
|
| # ------------------------------------------------------------------- inc |
|
| } elsif ($userinput =~ /^inc:/) { |
|
| if(isClient) { |
|
| my ($cmd,$udom,$uname,$namespace,$what) |
|
| =split(/:/,$userinput); |
|
| $namespace=~s/\//\_/g; |
|
| $namespace=~s/\W//g; |
|
| if ($namespace ne 'roles') { |
|
| chomp($what); |
|
| my $proname=propath($udom,$uname); |
|
| my $now=time; |
|
| unless ($namespace=~/^nohist\_/) { |
|
| my $hfh; |
|
| if ( |
|
| $hfh=IO::File->new(">>$proname/$namespace.hist") |
|
| ) { print $hfh "P:$now:$what\n"; } |
|
| } |
|
| my @pairs=split(/\&/,$what); |
|
| my %hash; |
|
| if (tie(%hash,'GDBM_File', |
|
| "$proname/$namespace.db", |
|
| &GDBM_WRCREAT(),0640)) { |
|
| foreach my $pair (@pairs) { |
|
| my ($key,$value)=split(/=/,$pair); |
|
| # We could check that we have a number... |
|
| if (! defined($value) || $value eq '') { |
|
| $value = 1; |
|
| } |
|
| $hash{$key}+=$value; |
|
| } |
|
| if (untie(%hash)) { |
|
| print $client "ok\n"; |
|
| } else { |
|
| print $client "error: ".($!+0) |
|
| ." untie(GDBM) failed ". |
|
| "while attempting inc\n"; |
|
| } |
|
| } else { |
|
| print $client "error: ".($!) |
|
| ." tie(GDBM) Failed ". |
|
| "while attempting inc\n"; |
|
| } |
|
| } else { |
|
| print $client "refused\n"; |
|
| } |
|
| } else { |
|
| Reply($client, "refused\n", $userinput); |
|
| |
|
| } |
|
| # -------------------------------------------------------------------- rolesput |
|
| } elsif ($userinput =~ /^rolesput/) { |
|
| if(isClient) { |
|
| &Debug("rolesput"); |
|
| if ($wasenc==1) { |
|
| my ($cmd,$exedom,$exeuser,$udom,$uname,$what) |
|
| =split(/:/,$userinput); |
|
| &Debug("cmd = ".$cmd." exedom= ".$exedom. |
|
| "user = ".$exeuser." udom=".$udom. |
|
| "what = ".$what); |
|
| my $namespace='roles'; |
|
| chomp($what); |
|
| my $proname=propath($udom,$uname); |
|
| my $now=time; |
|
| { |
|
| my $hfh; |
|
| if ( |
|
| $hfh=IO::File->new(">>$proname/$namespace.hist") |
|
| ) { |
|
| print $hfh "P:$now:$exedom:$exeuser:$what\n"; |
|
| } |
|
| } |
|
| my @pairs=split(/\&/,$what); |
|
| my %hash; |
|
| if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_WRCREAT(),0640)) { |
|
| foreach my $pair (@pairs) { |
|
| my ($key,$value)=split(/=/,$pair); |
|
| &ManagePermissions($key, $udom, $uname, |
|
| &GetAuthType( $udom, |
|
| $uname)); |
|
| $hash{$key}=$value; |
|
| } |
|
| if (untie(%hash)) { |
|
| print $client "ok\n"; |
|
| } else { |
|
| print $client "error: ".($!+0) |
|
| ." untie(GDBM) Failed ". |
|
| "while attempting rolesput\n"; |
|
| } |
|
| } else { |
|
| print $client "error: ".($!+0) |
|
| ." tie(GDBM) Failed ". |
|
| "while attempting rolesput\n"; |
|
| } |
|
| } else { |
|
| print $client "refused\n"; |
|
| } |
|
| } else { |
|
| Reply($client, "refused\n", $userinput); |
|
| |
|
| } |
|
| # -------------------------------------------------------------------- rolesdel |
|
| } elsif ($userinput =~ /^rolesdel/) { |
|
| if(isClient) { |
|
| &Debug("rolesdel"); |
|
| if ($wasenc==1) { |
|
| my ($cmd,$exedom,$exeuser,$udom,$uname,$what) |
|
| =split(/:/,$userinput); |
|
| &Debug("cmd = ".$cmd." exedom= ".$exedom. |
|
| "user = ".$exeuser." udom=".$udom. |
|
| "what = ".$what); |
|
| my $namespace='roles'; |
|
| chomp($what); |
|
| my $proname=propath($udom,$uname); |
|
| my $now=time; |
|
| { |
|
| my $hfh; |
|
| if ( |
|
| $hfh=IO::File->new(">>$proname/$namespace.hist") |
|
| ) { |
|
| print $hfh "D:$now:$exedom:$exeuser:$what\n"; |
|
| } |
|
| } |
|
| my @rolekeys=split(/\&/,$what); |
|
| my %hash; |
|
| if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_WRCREAT(),0640)) { |
|
| foreach my $key (@rolekeys) { |
|
| delete $hash{$key}; |
|
| } |
|
| if (untie(%hash)) { |
|
| print $client "ok\n"; |
|
| } else { |
|
| print $client "error: ".($!+0) |
|
| ." untie(GDBM) Failed ". |
|
| "while attempting rolesdel\n"; |
|
| } |
|
| } else { |
|
| print $client "error: ".($!+0) |
|
| ." tie(GDBM) Failed ". |
|
| "while attempting rolesdel\n"; |
|
| } |
|
| } else { |
|
| print $client "refused\n"; |
|
| } |
|
| } else { |
|
| Reply($client, "refused\n", $userinput); |
|
| |
|
| } |
|
| # ------------------------------------------------------------------------- get |
|
| } elsif ($userinput =~ /^get/) { |
|
| if(isClient) { |
|
| my ($cmd,$udom,$uname,$namespace,$what) |
|
| =split(/:/,$userinput); |
|
| $namespace=~s/\//\_/g; |
|
| $namespace=~s/\W//g; |
|
| chomp($what); |
|
| my @queries=split(/\&/,$what); |
|
| my $proname=propath($udom,$uname); |
|
| my $qresult=''; |
|
| my %hash; |
|
| if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_READER(),0640)) { |
|
| for (my $i=0;$i<=$#queries;$i++) { |
|
| $qresult.="$hash{$queries[$i]}&"; |
|
| } |
|
| if (untie(%hash)) { |
|
| $qresult=~s/\&$//; |
|
| print $client "$qresult\n"; |
|
| } else { |
|
| print $client "error: ".($!+0) |
|
| ." untie(GDBM) Failed ". |
|
| "while attempting get\n"; |
|
| } |
|
| } else { |
|
| if ($!+0 == 2) { |
|
| print $client "error:No such file or ". |
|
| "GDBM reported bad block error\n"; |
|
| } else { |
|
| print $client "error: ".($!+0) |
|
| ." tie(GDBM) Failed ". |
|
| "while attempting get\n"; |
|
| } |
|
| } |
|
| } else { |
|
| Reply($client, "refused\n", $userinput); |
|
| |
|
| } |
|
| # ------------------------------------------------------------------------ eget |
|
| } elsif ($userinput =~ /^eget/) { |
|
| if (isClient) { |
|
| my ($cmd,$udom,$uname,$namespace,$what) |
|
| =split(/:/,$userinput); |
|
| $namespace=~s/\//\_/g; |
|
| $namespace=~s/\W//g; |
|
| chomp($what); |
|
| my @queries=split(/\&/,$what); |
|
| my $proname=propath($udom,$uname); |
|
| my $qresult=''; |
|
| my %hash; |
|
| if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_READER(),0640)) { |
|
| for (my $i=0;$i<=$#queries;$i++) { |
|
| $qresult.="$hash{$queries[$i]}&"; |
|
| } |
|
| if (untie(%hash)) { |
|
| $qresult=~s/\&$//; |
|
| if ($cipher) { |
|
| my $cmdlength=length($qresult); |
|
| $qresult.=" "; |
|
| my $encqresult=''; |
|
| for |
|
| (my $encidx=0;$encidx<=$cmdlength;$encidx+=8) { |
|
| $encqresult.= |
|
| unpack("H16", |
|
| $cipher->encrypt(substr($qresult,$encidx,8))); |
|
| } |
|
| print $client "enc:$cmdlength:$encqresult\n"; |
|
| } else { |
|
| print $client "error:no_key\n"; |
|
| } |
|
| } else { |
|
| print $client "error: ".($!+0) |
|
| ." untie(GDBM) Failed ". |
|
| "while attempting eget\n"; |
|
| } |
|
| } else { |
|
| print $client "error: ".($!+0) |
|
| ." tie(GDBM) Failed ". |
|
| "while attempting eget\n"; |
|
| } |
|
| } else { |
|
| Reply($client, "refused\n", $userinput); |
|
| |
|
| } |
|
| # ------------------------------------------------------------------------- del |
|
| } elsif ($userinput =~ /^del/) { |
|
| if(isClient) { |
|
| my ($cmd,$udom,$uname,$namespace,$what) |
|
| =split(/:/,$userinput); |
|
| $namespace=~s/\//\_/g; |
|
| $namespace=~s/\W//g; |
|
| chomp($what); |
|
| my $proname=propath($udom,$uname); |
|
| my $now=time; |
|
| unless ($namespace=~/^nohist\_/) { |
|
| my $hfh; |
|
| if ( |
|
| $hfh=IO::File->new(">>$proname/$namespace.hist") |
|
| ) { print $hfh "D:$now:$what\n"; } |
|
| } |
|
| my @keys=split(/\&/,$what); |
|
| my %hash; |
|
| if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_WRCREAT(),0640)) { |
|
| foreach my $key (@keys) { |
|
| delete($hash{$key}); |
|
| } |
|
| if (untie(%hash)) { |
|
| print $client "ok\n"; |
|
| } else { |
|
| print $client "error: ".($!+0) |
|
| ." untie(GDBM) Failed ". |
|
| "while attempting del\n"; |
|
| } |
|
| } else { |
|
| print $client "error: ".($!+0) |
|
| ." tie(GDBM) Failed ". |
|
| "while attempting del\n"; |
|
| } |
|
| } else { |
|
| Reply($client, "refused\n", $userinput); |
|
| |
|
| } |
|
| # ------------------------------------------------------------------------ keys |
|
| } elsif ($userinput =~ /^keys/) { |
|
| if(isClient) { |
|
| my ($cmd,$udom,$uname,$namespace) |
|
| =split(/:/,$userinput); |
|
| $namespace=~s/\//\_/g; |
|
| $namespace=~s/\W//g; |
|
| my $proname=propath($udom,$uname); |
|
| my $qresult=''; |
|
| my %hash; |
|
| if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_READER(),0640)) { |
|
| foreach my $key (keys %hash) { |
|
| $qresult.="$key&"; |
|
| } |
|
| if (untie(%hash)) { |
|
| $qresult=~s/\&$//; |
|
| print $client "$qresult\n"; |
|
| } else { |
|
| print $client "error: ".($!+0) |
|
| ." untie(GDBM) Failed ". |
|
| "while attempting keys\n"; |
|
| } |
|
| } else { |
|
| print $client "error: ".($!+0) |
|
| ." tie(GDBM) Failed ". |
|
| "while attempting keys\n"; |
|
| } |
|
| } else { |
|
| Reply($client, "refused\n", $userinput); |
|
| |
|
| } |
|
| # ----------------------------------------------------------------- dumpcurrent |
|
| } elsif ($userinput =~ /^currentdump/) { |
|
| if (isClient) { |
|
| my ($cmd,$udom,$uname,$namespace) |
|
| =split(/:/,$userinput); |
|
| $namespace=~s/\//\_/g; |
|
| $namespace=~s/\W//g; |
|
| my $qresult=''; |
|
| my $proname=propath($udom,$uname); |
|
| my %hash; |
|
| if (tie(%hash,'GDBM_File', |
|
| "$proname/$namespace.db", |
|
| &GDBM_READER(),0640)) { |
|
| # Structure of %data: |
|
| # $data{$symb}->{$parameter}=$value; |
|
| # $data{$symb}->{'v.'.$parameter}=$version; |
|
| # since $parameter will be unescaped, we do not |
|
| # have to worry about silly parameter names... |
|
| my %data = (); |
|
| while (my ($key,$value) = each(%hash)) { |
|
| my ($v,$symb,$param) = split(/:/,$key); |
|
| next if ($v eq 'version' || $symb eq 'keys'); |
|
| next if (exists($data{$symb}) && |
|
| exists($data{$symb}->{$param}) && |
|
| $data{$symb}->{'v.'.$param} > $v); |
|
| $data{$symb}->{$param}=$value; |
|
| $data{$symb}->{'v.'.$param}=$v; |
|
| } |
|
| if (untie(%hash)) { |
|
| while (my ($symb,$param_hash) = each(%data)) { |
|
| while(my ($param,$value) = each (%$param_hash)){ |
|
| next if ($param =~ /^v\./); |
|
| $qresult.=$symb.':'.$param.'='.$value.'&'; |
|
| } |
|
| } |
|
| chop($qresult); |
|
| print $client "$qresult\n"; |
|
| } else { |
|
| print $client "error: ".($!+0) |
|
| ." untie(GDBM) Failed ". |
|
| "while attempting currentdump\n"; |
|
| } |
|
| } else { |
|
| print $client "error: ".($!+0) |
|
| ." tie(GDBM) Failed ". |
|
| "while attempting currentdump\n"; |
|
| } |
|
| } else { |
|
| Reply($client, "refused\n", $userinput); |
|
| } |
|
| # ------------------------------------------------------------------------ dump |
|
| } elsif ($userinput =~ /^dump/) { |
|
| if(isClient) { |
|
| my ($cmd,$udom,$uname,$namespace,$regexp) |
|
| =split(/:/,$userinput); |
|
| $namespace=~s/\//\_/g; |
|
| $namespace=~s/\W//g; |
|
| if (defined($regexp)) { |
|
| $regexp=&unescape($regexp); |
|
| } else { |
|
| $regexp='.'; |
|
| } |
|
| my $qresult=''; |
|
| my $proname=propath($udom,$uname); |
|
| my %hash; |
|
| if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_READER(),0640)) { |
|
| while (my ($key,$value) = each(%hash)) { |
|
| if ($regexp eq '.') { |
|
| $qresult.=$key.'='.$value.'&'; |
|
| } else { |
|
| my $unescapeKey = &unescape($key); |
|
| if (eval('$unescapeKey=~/$regexp/')) { |
|
| $qresult.="$key=$value&"; |
|
| } |
|
| } |
|
| } |
|
| if (untie(%hash)) { |
|
| chop($qresult); |
|
| print $client "$qresult\n"; |
|
| } else { |
|
| print $client "error: ".($!+0) |
|
| ." untie(GDBM) Failed ". |
|
| "while attempting dump\n"; |
|
| } |
|
| } else { |
|
| print $client "error: ".($!+0) |
|
| ." tie(GDBM) Failed ". |
|
| "while attempting dump\n"; |
|
| } |
|
| } else { |
|
| Reply($client, "refused\n", $userinput); |
|
| |
|
| } |
|
| # ----------------------------------------------------------------------- store |
|
| } elsif ($userinput =~ /^store/) { |
|
| if(isClient) { |
|
| my ($cmd,$udom,$uname,$namespace,$rid,$what) |
|
| =split(/:/,$userinput); |
|
| $namespace=~s/\//\_/g; |
|
| $namespace=~s/\W//g; |
|
| if ($namespace ne 'roles') { |
|
| chomp($what); |
|
| my $proname=propath($udom,$uname); |
|
| my $now=time; |
|
| unless ($namespace=~/^nohist\_/) { |
|
| my $hfh; |
|
| if ( |
|
| $hfh=IO::File->new(">>$proname/$namespace.hist") |
|
| ) { print $hfh "P:$now:$rid:$what\n"; } |
|
| } |
|
| my @pairs=split(/\&/,$what); |
|
| my %hash; |
|
| if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_WRCREAT(),0640)) { |
|
| my @previouskeys=split(/&/,$hash{"keys:$rid"}); |
|
| my $key; |
|
| $hash{"version:$rid"}++; |
|
| my $version=$hash{"version:$rid"}; |
|
| my $allkeys=''; |
|
| foreach my $pair (@pairs) { |
|
| my ($key,$value)=split(/=/,$pair); |
|
| $allkeys.=$key.':'; |
|
| $hash{"$version:$rid:$key"}=$value; |
|
| } |
|
| $hash{"$version:$rid:timestamp"}=$now; |
|
| $allkeys.='timestamp'; |
|
| $hash{"$version:keys:$rid"}=$allkeys; |
|
| if (untie(%hash)) { |
|
| print $client "ok\n"; |
|
| } else { |
|
| print $client "error: ".($!+0) |
|
| ." untie(GDBM) Failed ". |
|
| "while attempting store\n"; |
|
| } |
|
| } else { |
|
| print $client "error: ".($!+0) |
|
| ." tie(GDBM) Failed ". |
|
| "while attempting store\n"; |
|
| } |
|
| } else { |
|
| print $client "refused\n"; |
|
| } |
|
| } else { |
|
| Reply($client, "refused\n", $userinput); |
|
| |
|
| } |
|
| # --------------------------------------------------------------------- restore |
|
| } elsif ($userinput =~ /^restore/) { |
|
| if(isClient) { |
|
| my ($cmd,$udom,$uname,$namespace,$rid) |
|
| =split(/:/,$userinput); |
|
| $namespace=~s/\//\_/g; |
|
| $namespace=~s/\W//g; |
|
| chomp($rid); |
|
| my $proname=propath($udom,$uname); |
|
| my $qresult=''; |
|
| my %hash; |
|
| if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_READER(),0640)) { |
|
| my $version=$hash{"version:$rid"}; |
|
| $qresult.="version=$version&"; |
|
| my $scope; |
|
| for ($scope=1;$scope<=$version;$scope++) { |
|
| my $vkeys=$hash{"$scope:keys:$rid"}; |
|
| my @keys=split(/:/,$vkeys); |
|
| my $key; |
|
| $qresult.="$scope:keys=$vkeys&"; |
|
| foreach $key (@keys) { |
|
| $qresult.="$scope:$key=".$hash{"$scope:$rid:$key"}."&"; |
|
| } |
|
| } |
|
| if (untie(%hash)) { |
|
| $qresult=~s/\&$//; |
|
| print $client "$qresult\n"; |
|
| } else { |
|
| print $client "error: ".($!+0) |
|
| ." untie(GDBM) Failed ". |
|
| "while attempting restore\n"; |
|
| } |
|
| } else { |
|
| print $client "error: ".($!+0) |
|
| ." tie(GDBM) Failed ". |
|
| "while attempting restore\n"; |
|
| } |
|
| } else { |
|
| Reply($client, "refused\n", $userinput); |
|
| |
|
| } |
|
| # -------------------------------------------------------------------- chatsend |
|
| } elsif ($userinput =~ /^chatsend/) { |
|
| if(isClient) { |
|
| my ($cmd,$cdom,$cnum,$newpost)=split(/\:/,$userinput); |
|
| &chatadd($cdom,$cnum,$newpost); |
|
| print $client "ok\n"; |
|
| } else { |
|
| Reply($client, "refused\n", $userinput); |
|
| |
|
| } |
|
| # -------------------------------------------------------------------- chatretr |
|
| } elsif ($userinput =~ /^chatretr/) { |
|
| if(isClient) { |
|
| my |
|
| ($cmd,$cdom,$cnum,$udom,$uname)=split(/\:/,$userinput); |
|
| my $reply=''; |
|
| foreach (&getchat($cdom,$cnum,$udom,$uname)) { |
|
| $reply.=&escape($_).':'; |
|
| } |
|
| $reply=~s/\:$//; |
|
| print $client $reply."\n"; |
|
| } else { |
|
| Reply($client, "refused\n", $userinput); |
|
| |
|
| } |
|
| # ------------------------------------------------------------------- querysend |
|
| } elsif ($userinput =~ /^querysend/) { |
|
| if (isClient) { |
|
| my ($cmd,$query, |
|
| $arg1,$arg2,$arg3)=split(/\:/,$userinput); |
|
| $query=~s/\n*$//g; |
|
| print $client "". |
|
| sqlreply("$clientname\&$query". |
|
| "\&$arg1"."\&$arg2"."\&$arg3")."\n"; |
|
| } else { |
|
| Reply($client, "refused\n", $userinput); |
|
| |
|
| } |
|
| # ------------------------------------------------------------------ queryreply |
|
| } elsif ($userinput =~ /^queryreply/) { |
|
| if(isClient) { |
|
| my ($cmd,$id,$reply)=split(/:/,$userinput); |
|
| my $store; |
|
| my $execdir=$perlvar{'lonDaemons'}; |
|
| if ($store=IO::File->new(">$execdir/tmp/$id")) { |
|
| $reply=~s/\&/\n/g; |
|
| print $store $reply; |
|
| close $store; |
|
| my $store2=IO::File->new(">$execdir/tmp/$id.end"); |
|
| print $store2 "done\n"; |
|
| close $store2; |
|
| print $client "ok\n"; |
|
| } |
|
| else { |
|
| print $client "error: ".($!+0) |
|
| ." IO::File->new Failed ". |
|
| "while attempting queryreply\n"; |
|
| } |
|
| } else { |
|
| Reply($client, "refused\n", $userinput); |
|
| |
|
| } |
|
| # ----------------------------------------------------------------- courseidput |
|
| } elsif ($userinput =~ /^courseidput/) { |
|
| if(isClient) { |
|
| my ($cmd,$udom,$what)=split(/:/,$userinput); |
|
| chomp($what); |
|
| $udom=~s/\W//g; |
|
| my $proname= |
|
| "$perlvar{'lonUsersDir'}/$udom/nohist_courseids"; |
|
| my $now=time; |
|
| my @pairs=split(/\&/,$what); |
|
| my %hash; |
|
| if (tie(%hash,'GDBM_File',"$proname.db",&GDBM_WRCREAT(),0640)) { |
|
| foreach my $pair (@pairs) { |
|
| my ($key,$descr,$inst_code)=split(/=/,$pair); |
|
| $hash{$key}=$descr.':'.$inst_code.':'.$now; |
|
| } |
|
| if (untie(%hash)) { |
|
| print $client "ok\n"; |
|
| } else { |
|
| print $client "error: ".($!+0) |
|
| ." untie(GDBM) Failed ". |
|
| "while attempting courseidput\n"; |
|
| } |
|
| } else { |
|
| print $client "error: ".($!+0) |
|
| ." tie(GDBM) Failed ". |
|
| "while attempting courseidput\n"; |
|
| } |
|
| } else { |
|
| Reply($client, "refused\n", $userinput); |
|
| |
|
| } |
|
| # ---------------------------------------------------------------- courseiddump |
|
| } elsif ($userinput =~ /^courseiddump/) { |
|
| if(isClient) { |
|
| my ($cmd,$udom,$since,$description) |
|
| =split(/:/,$userinput); |
|
| if (defined($description)) { |
|
| $description=&unescape($description); |
|
| } else { |
|
| $description='.'; |
|
| } |
|
| unless (defined($since)) { $since=0; } |
|
| my $qresult=''; |
|
| my $proname= |
|
| "$perlvar{'lonUsersDir'}/$udom/nohist_courseids"; |
|
| my %hash; |
|
| if (tie(%hash,'GDBM_File',"$proname.db",&GDBM_READER(),0640)) { |
|
| while (my ($key,$value) = each(%hash)) { |
|
| my ($descr,$lasttime,$inst_code); |
|
| if ($value =~ m/^([^\:]*):([^\:]*):(\d+)$/) { |
|
| ($descr,$inst_code,$lasttime)=($1,$2,$3); |
|
| } else { |
|
| ($descr,$lasttime) = split(/\:/,$value); |
|
| } |
|
| if ($lasttime<$since) { next; } |
|
| if ($description eq '.') { |
|
| $qresult.=$key.'='.$descr.':'.$inst_code.'&'; |
|
| } else { |
|
| my $unescapeVal = &unescape($descr); |
|
| if (eval('$unescapeVal=~/\Q$description\E/i')) { |
|
| $qresult.=$key.'='.$descr.':'.$inst_code.'&'; |
|
| } |
|
| } |
|
| } |
|
| if (untie(%hash)) { |
|
| chop($qresult); |
|
| print $client "$qresult\n"; |
|
| } else { |
|
| print $client "error: ".($!+0) |
|
| ." untie(GDBM) Failed ". |
|
| "while attempting courseiddump\n"; |
|
| } |
|
| } else { |
|
| print $client "error: ".($!+0) |
|
| ." tie(GDBM) Failed ". |
|
| "while attempting courseiddump\n"; |
|
| } |
|
| } else { |
|
| Reply($client, "refused\n", $userinput); |
|
| |
|
| } |
|
| # ----------------------------------------------------------------------- idput |
|
| } elsif ($userinput =~ /^idput/) { |
|
| if(isClient) { |
|
| my ($cmd,$udom,$what)=split(/:/,$userinput); |
|
| chomp($what); |
|
| $udom=~s/\W//g; |
|
| my $proname="$perlvar{'lonUsersDir'}/$udom/ids"; |
|
| my $now=time; |
|
| { |
|
| my $hfh; |
|
| if ( |
|
| $hfh=IO::File->new(">>$proname.hist") |
|
| ) { print $hfh "P:$now:$what\n"; } |
|
| } |
|
| my @pairs=split(/\&/,$what); |
|
| my %hash; |
|
| if (tie(%hash,'GDBM_File',"$proname.db",&GDBM_WRCREAT(),0640)) { |
|
| foreach my $pair (@pairs) { |
|
| my ($key,$value)=split(/=/,$pair); |
|
| $hash{$key}=$value; |
|
| } |
|
| if (untie(%hash)) { |
|
| print $client "ok\n"; |
|
| } else { |
|
| print $client "error: ".($!+0) |
|
| ." untie(GDBM) Failed ". |
|
| "while attempting idput\n"; |
|
| } |
|
| } else { |
|
| print $client "error: ".($!+0) |
|
| ." tie(GDBM) Failed ". |
|
| "while attempting idput\n"; |
|
| } |
|
| } else { |
|
| Reply($client, "refused\n", $userinput); |
|
| |
|
| } |
|
| # ----------------------------------------------------------------------- idget |
|
| } elsif ($userinput =~ /^idget/) { |
|
| if(isClient) { |
|
| my ($cmd,$udom,$what)=split(/:/,$userinput); |
|
| chomp($what); |
|
| $udom=~s/\W//g; |
|
| my $proname="$perlvar{'lonUsersDir'}/$udom/ids"; |
|
| my @queries=split(/\&/,$what); |
|
| my $qresult=''; |
|
| my %hash; |
|
| if (tie(%hash,'GDBM_File',"$proname.db",&GDBM_READER(),0640)) { |
|
| for (my $i=0;$i<=$#queries;$i++) { |
|
| $qresult.="$hash{$queries[$i]}&"; |
|
| } |
|
| if (untie(%hash)) { |
|
| $qresult=~s/\&$//; |
|
| print $client "$qresult\n"; |
|
| } else { |
|
| print $client "error: ".($!+0) |
|
| ." untie(GDBM) Failed ". |
|
| "while attempting idget\n"; |
|
| } |
|
| } else { |
|
| print $client "error: ".($!+0) |
|
| ." tie(GDBM) Failed ". |
|
| "while attempting idget\n"; |
|
| } |
|
| } else { |
|
| Reply($client, "refused\n", $userinput); |
|
| |
|
| } |
|
| # ---------------------------------------------------------------------- tmpput |
|
| } elsif ($userinput =~ /^tmpput/) { |
|
| if(isClient) { |
|
| my ($cmd,$what)=split(/:/,$userinput); |
|
| my $store; |
|
| $tmpsnum++; |
|
| my $id=$$.'_'.$clientip.'_'.$tmpsnum; |
|
| $id=~s/\W/\_/g; |
|
| $what=~s/\n//g; |
|
| my $execdir=$perlvar{'lonDaemons'}; |
|
| if ($store=IO::File->new(">$execdir/tmp/$id.tmp")) { |
|
| print $store $what; |
|
| close $store; |
|
| print $client "$id\n"; |
|
| } |
|
| else { |
|
| print $client "error: ".($!+0) |
|
| ."IO::File->new Failed ". |
|
| "while attempting tmpput\n"; |
|
| } |
|
| } else { |
|
| Reply($client, "refused\n", $userinput); |
|
| |
|
| } |
|
| |
|
| # ---------------------------------------------------------------------- tmpget |
|
| } elsif ($userinput =~ /^tmpget/) { |
|
| if(isClient) { |
|
| my ($cmd,$id)=split(/:/,$userinput); |
|
| chomp($id); |
|
| $id=~s/\W/\_/g; |
|
| my $store; |
|
| my $execdir=$perlvar{'lonDaemons'}; |
|
| if ($store=IO::File->new("$execdir/tmp/$id.tmp")) { |
|
| my $reply=<$store>; |
|
| print $client "$reply\n"; |
|
| close $store; |
|
| } |
|
| else { |
|
| print $client "error: ".($!+0) |
|
| ."IO::File->new Failed ". |
|
| "while attempting tmpget\n"; |
|
| } |
|
| } else { |
|
| Reply($client, "refused\n", $userinput); |
|
| |
|
| } |
|
| # ---------------------------------------------------------------------- tmpdel |
|
| } elsif ($userinput =~ /^tmpdel/) { |
|
| if(isClient) { |
|
| my ($cmd,$id)=split(/:/,$userinput); |
|
| chomp($id); |
|
| $id=~s/\W/\_/g; |
|
| my $execdir=$perlvar{'lonDaemons'}; |
|
| if (unlink("$execdir/tmp/$id.tmp")) { |
|
| print $client "ok\n"; |
|
| } else { |
|
| print $client "error: ".($!+0) |
|
| ."Unlink tmp Failed ". |
|
| "while attempting tmpdel\n"; |
|
| } |
|
| } else { |
|
| Reply($client, "refused\n", $userinput); |
|
| |
|
| } |
|
| # ----------------------------------------- portfolio directory list (portls) |
|
| } elsif ($userinput =~ /^portls/) { |
|
| if(isClient) { |
|
| my ($cmd,$uname,$udom)=split(/:/,$userinput); |
|
| my $udir=propath($udom,$uname).'/userfiles/portfolio'; |
|
| my $dirLine=''; |
|
| my $dirContents=''; |
|
| if (opendir(LSDIR,$udir.'/')){ |
|
| while ($dirLine = readdir(LSDIR)){ |
|
| $dirContents = $dirContents.$dirLine.'<br />'; |
|
| } |
|
| } else { |
|
| $dirContents = "No directory found\n"; |
|
| } |
|
| print $client $dirContents."\n"; |
|
| } else { |
|
| Reply($client, "refused\n", $userinput); |
|
| } |
|
| # -------------------------------------------------------------------------- ls |
|
| } elsif ($userinput =~ /^ls/) { |
|
| if(isClient) { |
|
| my $obs; |
|
| my $rights; |
|
| my ($cmd,$ulsdir)=split(/:/,$userinput); |
|
| my $ulsout=''; |
|
| my $ulsfn; |
|
| if (-e $ulsdir) { |
|
| if(-d $ulsdir) { |
|
| if (opendir(LSDIR,$ulsdir)) { |
|
| while ($ulsfn=readdir(LSDIR)) { |
|
| undef $obs, $rights; |
|
| my @ulsstats=stat($ulsdir.'/'.$ulsfn); |
|
| #We do some obsolete checking here |
|
| if(-e $ulsdir.'/'.$ulsfn.".meta") { |
|
| open(FILE, $ulsdir.'/'.$ulsfn.".meta"); |
|
| my @obsolete=<FILE>; |
|
| foreach my $obsolete (@obsolete) { |
|
| if($obsolete =~ m|(<obsolete>)(on)|) { $obs = 1; } |
|
| if($obsolete =~ m|(<copyright>)(default)|) { $rights = 1; } |
|
| } |
|
| } |
|
| $ulsout.=$ulsfn.'&'.join('&',@ulsstats); |
|
| if($obs eq '1') { $ulsout.="&1"; } |
|
| else { $ulsout.="&0"; } |
|
| if($rights eq '1') { $ulsout.="&1:"; } |
|
| else { $ulsout.="&0:"; } |
|
| } |
|
| closedir(LSDIR); |
|
| } |
|
| } else { |
|
| my @ulsstats=stat($ulsdir); |
|
| $ulsout.=$ulsfn.'&'.join('&',@ulsstats).':'; |
|
| } |
|
| } else { |
|
| $ulsout='no_such_dir'; |
|
| } |
|
| if ($ulsout eq '') { $ulsout='empty'; } |
|
| print $client "$ulsout\n"; |
|
| } else { |
|
| Reply($client, "refused\n", $userinput); |
|
| |
|
| } |
|
| # ----------------------------------------------------------------- setannounce |
|
| } elsif ($userinput =~ /^setannounce/) { |
|
| if (isClient) { |
|
| my ($cmd,$announcement)=split(/:/,$userinput); |
|
| chomp($announcement); |
|
| $announcement=&unescape($announcement); |
|
| if (my $store=IO::File->new('>'.$perlvar{'lonDocRoot'}. |
|
| '/announcement.txt')) { |
|
| print $store $announcement; |
|
| close $store; |
|
| print $client "ok\n"; |
|
| } else { |
|
| print $client "error: ".($!+0)."\n"; |
|
| } |
|
| } else { |
|
| Reply($client, "refused\n", $userinput); |
|
| |
|
| } |
|
| # ------------------------------------------------------------------ Hanging up |
|
| } elsif (($userinput =~ /^exit/) || |
|
| ($userinput =~ /^init/)) { # no restrictions. |
|
| &logthis( |
|
| "Client $clientip ($clientname) hanging up: $userinput"); |
|
| print $client "bye\n"; |
|
| $client->shutdown(2); # shutdown the socket forcibly. |
|
| $client->close(); |
|
| last; |
|
| |
|
| # ---------------------------------- set current host/domain |
|
| } elsif ($userinput =~ /^sethost:/) { |
|
| if (isClient) { |
|
| print $client &sethost($userinput)."\n"; |
|
| } else { |
|
| print $client "refused\n"; |
|
| } |
|
| #---------------------------------- request file (?) version. |
|
| } elsif ($userinput =~/^version:/) { |
|
| if (isClient) { |
|
| print $client &version($userinput)."\n"; |
|
| } else { |
|
| print $client "refused\n"; |
|
| } |
|
| #------------------------------- is auto-enrollment enabled? |
|
| } elsif ($userinput =~/^autorun:/) { |
|
| if (isClient) { |
|
| my ($cmd,$cdom) = split(/:/,$userinput); |
|
| my $outcome = &localenroll::run($cdom); |
|
| print $client "$outcome\n"; |
|
| } else { |
|
| print $client "0\n"; |
|
| } |
|
| #------------------------------- get official sections (for auto-enrollment). |
|
| } elsif ($userinput =~/^autogetsections:/) { |
|
| if (isClient) { |
|
| my ($cmd,$coursecode,$cdom)=split(/:/,$userinput); |
|
| my @secs = &localenroll::get_sections($coursecode,$cdom); |
|
| my $seclist = &escape(join(':',@secs)); |
|
| print $client "$seclist\n"; |
|
| } else { |
|
| print $client "refused\n"; |
|
| } |
|
| #----------------------- validate owner of new course section (for auto-enrollment). |
|
| } elsif ($userinput =~/^autonewcourse:/) { |
|
| if (isClient) { |
|
| my ($cmd,$inst_course_id,$owner,$cdom)=split(/:/,$userinput); |
|
| my $outcome = &localenroll::new_course($inst_course_id,$owner,$cdom); |
|
| print $client "$outcome\n"; |
|
| } else { |
|
| print $client "refused\n"; |
|
| } |
|
| #-------------- validate course section in schedule of classes (for auto-enrollment). |
|
| } elsif ($userinput =~/^autovalidatecourse:/) { |
|
| if (isClient) { |
|
| my ($cmd,$inst_course_id,$cdom)=split(/:/,$userinput); |
|
| my $outcome=&localenroll::validate_courseID($inst_course_id,$cdom); |
|
| print $client "$outcome\n"; |
|
| } else { |
|
| print $client "refused\n"; |
|
| } |
|
| #--------------------------- create password for new user (for auto-enrollment). |
|
| } elsif ($userinput =~/^autocreatepassword:/) { |
|
| if (isClient) { |
|
| my ($cmd,$authparam,$cdom)=split(/:/,$userinput); |
|
| my ($create_passwd,$authchk); |
|
| ($authparam,$create_passwd,$authchk) = &localenroll::create_password($authparam,$cdom); |
|
| print $client &escape($authparam.':'.$create_passwd.':'.$authchk)."\n"; |
|
| } else { |
|
| print $client "refused\n"; |
|
| } |
|
| #--------------------------- read and remove temporary files (for auto-enrollment). |
|
| } elsif ($userinput =~/^autoretrieve:/) { |
|
| if (isClient) { |
|
| my ($cmd,$filename) = split(/:/,$userinput); |
|
| my $source = $perlvar{'lonDaemons'}.'/tmp/'.$filename; |
|
| if ( (-e $source) && ($filename ne '') ) { |
|
| my $reply = ''; |
|
| if (open(my $fh,$source)) { |
|
| while (<$fh>) { |
|
| chomp($_); |
|
| $_ =~ s/^\s+//g; |
|
| $_ =~ s/\s+$//g; |
|
| $reply .= $_; |
|
| } |
|
| close($fh); |
|
| print $client &escape($reply)."\n"; |
|
| # unlink($source); |
|
| } else { |
|
| print $client "error\n"; |
|
| } |
|
| } else { |
|
| print $client "error\n"; |
|
| } |
|
| } else { |
|
| print $client "refused\n"; |
|
| } |
|
| # ------------------------------------------------------------- unknown command |
|
| |
|
| } else { |
|
| # unknown command |
|
| print $client "unknown_cmd\n"; |
|
| } |
|
| # -------------------------------------------------------------------- complete |
|
| alarm(0); |
alarm(0); |
| &status('Listening to '.$clientname." ($keymode)"); |
&status('Listening to '.$clientname." ($keymode)"); |
| } |
} |
| |
|
| # --------------------------------------------- client unknown or fishy, refuse |
# --------------------------------------------- client unknown or fishy, refuse |
| } else { |
} else { |
| print $client "refused\n"; |
print $client "refused\n"; |
| $client->close(); |
$client->close(); |
| &logthis("<font color='blue'>WARNING: " |
&logthis("<font color='blue'>WARNING: " |
| ."Rejected client $clientip, closing connection</font>"); |
."Rejected client $clientip, closing connection</font>"); |
| } |
} |
| } |
} |
| |
|
| # ============================================================================= |
# ============================================================================= |
| |
|
|
Line 3246 sub make_new_child {
|
Line 5017 sub make_new_child {
|
| exit; |
exit; |
| |
|
| } |
} |
| |
# |
| |
# Determine if a user is an author for the indicated domain. |
| |
# |
| |
# Parameters: |
| |
# domain - domain to check in . |
| |
# user - Name of user to check. |
| |
# |
| |
# Return: |
| |
# 1 - User is an author for domain. |
| |
# 0 - User is not an author for domain. |
| |
sub is_author { |
| |
my ($domain, $user) = @_; |
| |
|
| |
&Debug("is_author: $user @ $domain"); |
| |
|
| |
my $hashref = &tie_user_hash($domain, $user, "roles", |
| |
&GDBM_READER()); |
| |
|
| |
# Author role should show up as a key /domain/_au |
| |
|
| |
my $key = "/$domain/_au"; |
| |
my $value = $hashref->{$key}; |
| |
|
| |
if(defined($value)) { |
| |
&Debug("$user @ $domain is an author"); |
| |
} |
| |
|
| |
return defined($value); |
| |
} |
| # |
# |
| # Checks to see if the input roleput request was to set |
# Checks to see if the input roleput request was to set |
| # an author role. If so, invokes the lchtmldir script to set |
# an author role. If so, invokes the lchtmldir script to set |
|
Line 3259 sub make_new_child {
|
Line 5057 sub make_new_child {
|
| # user - Name of the user for which the role is being put. |
# user - Name of the user for which the role is being put. |
| # authtype - The authentication type associated with the user. |
# authtype - The authentication type associated with the user. |
| # |
# |
| sub ManagePermissions |
sub manage_permissions |
| { |
{ |
| |
|
| |
|
| my ($request, $domain, $user, $authtype) = @_; |
my ($request, $domain, $user, $authtype) = @_; |
| |
|
| |
&Debug("manage_permissions: $request $domain $user $authtype"); |
| |
|
| # See if the request is of the form /$domain/_au |
# See if the request is of the form /$domain/_au |
| if($request =~ /^(\/$domain\/_au)$/) { # It's an author rolesput... |
if($request =~ /^(\/$domain\/_au)$/) { # It's an author rolesput... |
| my $execdir = $perlvar{'lonDaemons'}; |
my $execdir = $perlvar{'lonDaemons'}; |
| my $userhome= "/home/$user" ; |
my $userhome= "/home/$user" ; |
| &logthis("system $execdir/lchtmldir $userhome $user $authtype"); |
&logthis("system $execdir/lchtmldir $userhome $user $authtype"); |
| |
&Debug("Setting homedir permissions for $userhome"); |
| system("$execdir/lchtmldir $userhome $user $authtype"); |
system("$execdir/lchtmldir $userhome $user $authtype"); |
| } |
} |
| } |
} |
| |
|
| |
|
| |
# |
| |
# Return the full path of a user password file, whether it exists or not. |
| |
# Parameters: |
| |
# domain - Domain in which the password file lives. |
| |
# user - name of the user. |
| |
# Returns: |
| |
# Full passwd path: |
| |
# |
| |
sub password_path { |
| |
my ($domain, $user) = @_; |
| |
return &propath($domain, $user).'/passwd'; |
| |
} |
| |
|
| |
# Password Filename |
| |
# Returns the path to a passwd file given domain and user... only if |
| |
# it exists. |
| |
# Parameters: |
| |
# domain - Domain in which to search. |
| |
# user - username. |
| |
# Returns: |
| |
# - If the password file exists returns its path. |
| |
# - If the password file does not exist, returns undefined. |
| |
# |
| |
sub password_filename { |
| |
my ($domain, $user) = @_; |
| |
|
| |
Debug ("PasswordFilename called: dom = $domain user = $user"); |
| |
|
| |
my $path = &password_path($domain, $user); |
| |
Debug("PasswordFilename got path: $path"); |
| |
if(-e $path) { |
| |
return $path; |
| |
} else { |
| |
return undef; |
| |
} |
| |
} |
| |
|
| |
# |
| |
# Rewrite the contents of the user's passwd file. |
| |
# Parameters: |
| |
# domain - domain of the user. |
| |
# name - User's name. |
| |
# contents - New contents of the file. |
| |
# Returns: |
| |
# 0 - Failed. |
| |
# 1 - Success. |
| |
# |
| |
sub rewrite_password_file { |
| |
my ($domain, $user, $contents) = @_; |
| |
|
| |
my $file = &password_filename($domain, $user); |
| |
if (defined $file) { |
| |
my $pf = IO::File->new(">$file"); |
| |
if($pf) { |
| |
print $pf "$contents\n"; |
| |
return 1; |
| |
} else { |
| |
return 0; |
| |
} |
| |
} else { |
| |
return 0; |
| |
} |
| |
|
| |
} |
| |
|
| # |
# |
| # GetAuthType - Determines the authorization type of a user in a domain. |
# get_auth_type - Determines the authorization type of a user in a domain. |
| |
|
| # Returns the authorization type or nouser if there is no such user. |
# Returns the authorization type or nouser if there is no such user. |
| # |
# |
| sub GetAuthType |
sub get_auth_type |
| { |
{ |
| |
|
| my ($domain, $user) = @_; |
my ($domain, $user) = @_; |
| |
|
| Debug("GetAuthType( $domain, $user ) \n"); |
Debug("get_auth_type( $domain, $user ) \n"); |
| my $proname = &propath($domain, $user); |
my $proname = &propath($domain, $user); |
| my $passwdfile = "$proname/passwd"; |
my $passwdfile = "$proname/passwd"; |
| if( -e $passwdfile ) { |
if( -e $passwdfile ) { |
|
Line 3292 sub GetAuthType
|
Line 5161 sub GetAuthType
|
| Debug("Password info = $realpassword\n"); |
Debug("Password info = $realpassword\n"); |
| my ($authtype, $contentpwd) = split(/:/, $realpassword); |
my ($authtype, $contentpwd) = split(/:/, $realpassword); |
| Debug("Authtype = $authtype, content = $contentpwd\n"); |
Debug("Authtype = $authtype, content = $contentpwd\n"); |
| my $availinfo = ''; |
return "$authtype:$contentpwd"; |
| if($authtype eq 'krb4' or $authtype eq 'krb5') { |
} else { |
| $availinfo = $contentpwd; |
|
| } |
|
| |
|
| return "$authtype:$availinfo"; |
|
| } |
|
| else { |
|
| Debug("Returning nouser"); |
Debug("Returning nouser"); |
| return "nouser"; |
return "nouser"; |
| } |
} |
| } |
} |
| |
|
| |
# |
| |
# Validate a user given their domain, name and password. This utility |
| |
# function is used by both AuthenticateHandler and ChangePasswordHandler |
| |
# to validate the login credentials of a user. |
| |
# Parameters: |
| |
# $domain - The domain being logged into (this is required due to |
| |
# the capability for multihomed systems. |
| |
# $user - The name of the user being validated. |
| |
# $password - The user's propoposed password. |
| |
# |
| |
# Returns: |
| |
# 1 - The domain,user,pasword triplet corresponds to a valid |
| |
# user. |
| |
# 0 - The domain,user,password triplet is not a valid user. |
| |
# |
| |
sub validate_user { |
| |
my ($domain, $user, $password) = @_; |
| |
|
| |
|
| |
# Why negative ~pi you may well ask? Well this function is about |
| |
# authentication, and therefore very important to get right. |
| |
# I've initialized the flag that determines whether or not I've |
| |
# validated correctly to a value it's not supposed to get. |
| |
# At the end of this function. I'll ensure that it's not still that |
| |
# value so we don't just wind up returning some accidental value |
| |
# as a result of executing an unforseen code path that |
| |
# did not set $validated. At the end of valid execution paths, |
| |
# validated shoule be 1 for success or 0 for failuer. |
| |
|
| |
my $validated = -3.14159; |
| |
|
| |
# How we authenticate is determined by the type of authentication |
| |
# the user has been assigned. If the authentication type is |
| |
# "nouser", the user does not exist so we will return 0. |
| |
|
| |
my $contents = &get_auth_type($domain, $user); |
| |
my ($howpwd, $contentpwd) = split(/:/, $contents); |
| |
|
| |
my $null = pack("C",0); # Used by kerberos auth types. |
| |
|
| |
if ($howpwd ne 'nouser') { |
| |
|
| |
if($howpwd eq "internal") { # Encrypted is in local password file. |
| |
$validated = (crypt($password, $contentpwd) eq $contentpwd); |
| |
} |
| |
elsif ($howpwd eq "unix") { # User is a normal unix user. |
| |
$contentpwd = (getpwnam($user))[1]; |
| |
if($contentpwd) { |
| |
if($contentpwd eq 'x') { # Shadow password file... |
| |
my $pwauth_path = "/usr/local/sbin/pwauth"; |
| |
open PWAUTH, "|$pwauth_path" or |
| |
die "Cannot invoke authentication"; |
| |
print PWAUTH "$user\n$password\n"; |
| |
close PWAUTH; |
| |
$validated = ! $?; |
| |
|
| |
} else { # Passwords in /etc/passwd. |
| |
$validated = (crypt($password, |
| |
$contentpwd) eq $contentpwd); |
| |
} |
| |
} else { |
| |
$validated = 0; |
| |
} |
| |
} |
| |
elsif ($howpwd eq "krb4") { # user is in kerberos 4 auth. domain. |
| |
if(! ($password =~ /$null/) ) { |
| |
my $k4error = &Authen::Krb4::get_pw_in_tkt($user, |
| |
"", |
| |
$contentpwd,, |
| |
'krbtgt', |
| |
$contentpwd, |
| |
1, |
| |
$password); |
| |
if(!$k4error) { |
| |
$validated = 1; |
| |
} else { |
| |
$validated = 0; |
| |
&logthis('krb4: '.$user.', '.$contentpwd.', '. |
| |
&Authen::Krb4::get_err_txt($Authen::Krb4::error)); |
| |
} |
| |
} else { |
| |
$validated = 0; # Password has a match with null. |
| |
} |
| |
} elsif ($howpwd eq "krb5") { # User is in kerberos 5 auth. domain. |
| |
if(!($password =~ /$null/)) { # Null password not allowed. |
| |
my $krbclient = &Authen::Krb5::parse_name($user.'@' |
| |
.$contentpwd); |
| |
my $krbservice = "krbtgt/".$contentpwd."\@".$contentpwd; |
| |
my $krbserver = &Authen::Krb5::parse_name($krbservice); |
| |
my $credentials= &Authen::Krb5::cc_default(); |
| |
$credentials->initialize($krbclient); |
| |
my $krbreturn = &Authen::Krb5::get_in_tkt_with_password($krbclient, |
| |
$krbserver, |
| |
$password, |
| |
$credentials); |
| |
$validated = ($krbreturn == 1); |
| |
} else { |
| |
$validated = 0; |
| |
} |
| |
} elsif ($howpwd eq "localauth") { |
| |
# Authenticate via installation specific authentcation method: |
| |
$validated = &localauth::localauth($user, |
| |
$password, |
| |
$contentpwd); |
| |
} else { # Unrecognized auth is also bad. |
| |
$validated = 0; |
| |
} |
| |
} else { |
| |
$validated = 0; |
| |
} |
| |
# |
| |
# $validated has the correct stat of the authentication: |
| |
# |
| |
|
| |
unless ($validated != -3.14159) { |
| |
# I >really really< want to know if this happens. |
| |
# since it indicates that user authentication is badly |
| |
# broken in some code path. |
| |
# |
| |
die "ValidateUser - failed to set the value of validated $domain, $user $password"; |
| |
} |
| |
return $validated; |
| |
} |
| |
|
| |
|
| sub addline { |
sub addline { |
| my ($fname,$hostid,$ip,$newline)=@_; |
my ($fname,$hostid,$ip,$newline)=@_; |
| my $contents; |
my $contents; |
|
Line 3325 sub addline {
|
Line 5313 sub addline {
|
| return $found; |
return $found; |
| } |
} |
| |
|
| sub getchat { |
sub get_chat { |
| my ($cdom,$cname,$udom,$uname)=@_; |
my ($cdom,$cname,$udom,$uname)=@_; |
| my %hash; |
my %hash; |
| my $proname=&propath($cdom,$cname); |
my $proname=&propath($cdom,$cname); |
|
Line 3350 sub getchat {
|
Line 5338 sub getchat {
|
| return (@participants,@entries); |
return (@participants,@entries); |
| } |
} |
| |
|
| sub chatadd { |
sub chat_add { |
| my ($cdom,$cname,$newchat)=@_; |
my ($cdom,$cname,$newchat)=@_; |
| my %hash; |
my %hash; |
| my $proname=&propath($cdom,$cname); |
my $proname=&propath($cdom,$cname); |
|
Line 3522 sub make_passwd_file {
|
Line 5510 sub make_passwd_file {
|
| if ($umode eq 'krb4' or $umode eq 'krb5') { |
if ($umode eq 'krb4' or $umode eq 'krb5') { |
| { |
{ |
| my $pf = IO::File->new(">$passfilename"); |
my $pf = IO::File->new(">$passfilename"); |
| print $pf "$umode:$npass\n"; |
if ($pf) { |
| |
print $pf "$umode:$npass\n"; |
| |
} else { |
| |
$result = "pass_file_failed_error"; |
| |
} |
| } |
} |
| } elsif ($umode eq 'internal') { |
} elsif ($umode eq 'internal') { |
| my $salt=time; |
my $salt=time; |
|
Line 3531 sub make_passwd_file {
|
Line 5523 sub make_passwd_file {
|
| { |
{ |
| &Debug("Creating internal auth"); |
&Debug("Creating internal auth"); |
| my $pf = IO::File->new(">$passfilename"); |
my $pf = IO::File->new(">$passfilename"); |
| print $pf "internal:$ncpass\n"; |
if($pf) { |
| |
print $pf "internal:$ncpass\n"; |
| |
} else { |
| |
$result = "pass_file_failed_error"; |
| |
} |
| } |
} |
| } elsif ($umode eq 'localauth') { |
} elsif ($umode eq 'localauth') { |
| { |
{ |
| my $pf = IO::File->new(">$passfilename"); |
my $pf = IO::File->new(">$passfilename"); |
| print $pf "localauth:$npass\n"; |
if($pf) { |
| |
print $pf "localauth:$npass\n"; |
| |
} else { |
| |
$result = "pass_file_failed_error"; |
| |
} |
| } |
} |
| } elsif ($umode eq 'unix') { |
} elsif ($umode eq 'unix') { |
| { |
{ |
|
Line 3550 sub make_passwd_file {
|
Line 5550 sub make_passwd_file {
|
| return "no_priv_account_error\n"; |
return "no_priv_account_error\n"; |
| } |
} |
| |
|
| my $execpath="$perlvar{'lonDaemons'}/"."lcuseradd"; |
my $execpath ="$perlvar{'lonDaemons'}/"."lcuseradd"; |
| |
|
| |
my $lc_error_file = $execdir."/tmp/lcuseradd".$$.".status"; |
| { |
{ |
| &Debug("Executing external: ".$execpath); |
&Debug("Executing external: ".$execpath); |
| &Debug("user = ".$uname.", Password =". $npass); |
&Debug("user = ".$uname.", Password =". $npass); |
|
Line 3558 sub make_passwd_file {
|
Line 5560 sub make_passwd_file {
|
| print $se "$uname\n"; |
print $se "$uname\n"; |
| print $se "$npass\n"; |
print $se "$npass\n"; |
| print $se "$npass\n"; |
print $se "$npass\n"; |
| |
print $se "$lc_error_file\n"; # Status -> unique file. |
| } |
} |
| my $useraddok = $?; |
if (-r $lc_error_file) { |
| if($useraddok > 0) { |
&Debug("Opening error file: $lc_error_file"); |
| &logthis("Failed lcuseradd: ".&lcuseraddstrerror($useraddok)); |
my $error = IO::File->new("< $lc_error_file"); |
| |
my $useraddok = <$error>; |
| |
$error->close; |
| |
unlink($lc_error_file); |
| |
|
| |
chomp $useraddok; |
| |
|
| |
if($useraddok > 0) { |
| |
my $error_text = &lcuseraddstrerror($useraddok); |
| |
&logthis("Failed lcuseradd: $error_text"); |
| |
$result = "lcuseradd_failed:$error_text\n"; |
| |
} else { |
| |
my $pf = IO::File->new(">$passfilename"); |
| |
if($pf) { |
| |
print $pf "unix:\n"; |
| |
} else { |
| |
$result = "pass_file_failed_error"; |
| |
} |
| |
} |
| |
} else { |
| |
&Debug("Could not locate lcuseradd error: $lc_error_file"); |
| |
$result="bug_lcuseradd_no_output_file"; |
| } |
} |
| my $pf = IO::File->new(">$passfilename"); |
|
| print $pf "unix:\n"; |
|
| } |
} |
| } elsif ($umode eq 'none') { |
} elsif ($umode eq 'none') { |
| { |
{ |
| my $pf = IO::File->new(">$passfilename"); |
my $pf = IO::File->new("> $passfilename"); |
| print $pf "none:\n"; |
if($pf) { |
| |
print $pf "none:\n"; |
| |
} else { |
| |
$result = "pass_file_failed_error"; |
| |
} |
| } |
} |
| } else { |
} else { |
| $result="auth_mode_error\n"; |
$result="auth_mode_error\n"; |
|
Line 3577 sub make_passwd_file {
|
Line 5603 sub make_passwd_file {
|
| return $result; |
return $result; |
| } |
} |
| |
|
| |
sub convert_photo { |
| |
my ($start,$dest)=@_; |
| |
system("convert $start $dest"); |
| |
} |
| |
|
| sub sethost { |
sub sethost { |
| my ($remotereq) = @_; |
my ($remotereq) = @_; |
| my (undef,$hostid)=split(/:/,$remotereq); |
my (undef,$hostid)=split(/:/,$remotereq); |
|
Line 3622 sub userload {
|
Line 5653 sub userload {
|
| return $userloadpercent; |
return $userloadpercent; |
| } |
} |
| |
|
| |
# Routines for serializing arrays and hashes (copies from lonnet) |
| |
|
| |
sub array2str { |
| |
my (@array) = @_; |
| |
my $result=&arrayref2str(\@array); |
| |
$result=~s/^__ARRAY_REF__//; |
| |
$result=~s/__END_ARRAY_REF__$//; |
| |
return $result; |
| |
} |
| |
|
| |
sub arrayref2str { |
| |
my ($arrayref) = @_; |
| |
my $result='__ARRAY_REF__'; |
| |
foreach my $elem (@$arrayref) { |
| |
if(ref($elem) eq 'ARRAY') { |
| |
$result.=&arrayref2str($elem).'&'; |
| |
} elsif(ref($elem) eq 'HASH') { |
| |
$result.=&hashref2str($elem).'&'; |
| |
} elsif(ref($elem)) { |
| |
#print("Got a ref of ".(ref($elem))." skipping."); |
| |
} else { |
| |
$result.=&escape($elem).'&'; |
| |
} |
| |
} |
| |
$result=~s/\&$//; |
| |
$result .= '__END_ARRAY_REF__'; |
| |
return $result; |
| |
} |
| |
|
| |
sub hash2str { |
| |
my (%hash) = @_; |
| |
my $result=&hashref2str(\%hash); |
| |
$result=~s/^__HASH_REF__//; |
| |
$result=~s/__END_HASH_REF__$//; |
| |
return $result; |
| |
} |
| |
|
| |
sub hashref2str { |
| |
my ($hashref)=@_; |
| |
my $result='__HASH_REF__'; |
| |
foreach (sort(keys(%$hashref))) { |
| |
if (ref($_) eq 'ARRAY') { |
| |
$result.=&arrayref2str($_).'='; |
| |
} elsif (ref($_) eq 'HASH') { |
| |
$result.=&hashref2str($_).'='; |
| |
} elsif (ref($_)) { |
| |
$result.='='; |
| |
#print("Got a ref of ".(ref($_))." skipping."); |
| |
} else { |
| |
if ($_) {$result.=&escape($_).'=';} else { last; } |
| |
} |
| |
|
| |
if(ref($hashref->{$_}) eq 'ARRAY') { |
| |
$result.=&arrayref2str($hashref->{$_}).'&'; |
| |
} elsif(ref($hashref->{$_}) eq 'HASH') { |
| |
$result.=&hashref2str($hashref->{$_}).'&'; |
| |
} elsif(ref($hashref->{$_})) { |
| |
$result.='&'; |
| |
#print("Got a ref of ".(ref($hashref->{$_}))." skipping."); |
| |
} else { |
| |
$result.=&escape($hashref->{$_}).'&'; |
| |
} |
| |
} |
| |
$result=~s/\&$//; |
| |
$result .= '__END_HASH_REF__'; |
| |
return $result; |
| |
} |
| |
|
| # ----------------------------------- POD (plain old documentation, CPAN style) |
# ----------------------------------- POD (plain old documentation, CPAN style) |
| |
|
|
Line 3830 Place in B<logs/lond.log>
|
Line 5928 Place in B<logs/lond.log>
|
| |
|
| stores hash in namespace |
stores hash in namespace |
| |
|
| =item rolesput |
=item rolesputy |
| |
|
| put a role into a user's environment |
put a role into a user's environment |
| |
|
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