version 1.216, 2004/07/27 11:34:49
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version 1.229, 2004/08/16 10:54:19
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Line 50 use File::Copy;
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Line 50 use File::Copy;
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use LONCAPA::ConfigFileEdit; |
use LONCAPA::ConfigFileEdit; |
use LONCAPA::lonlocal; |
use LONCAPA::lonlocal; |
use LONCAPA::lonssl; |
use LONCAPA::lonssl; |
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use Fcntl qw(:flock); |
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my $DEBUG = 0; # Non zero to enable debug log entries. |
my $DEBUG = 0; # Non zero to enable debug log entries. |
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Line 121 my @passwderrors = ("ok",
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Line 122 my @passwderrors = ("ok",
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"lcpasswd Cannot set new passwd.", |
"lcpasswd Cannot set new passwd.", |
"lcpasswd Username has invalid characters", |
"lcpasswd Username has invalid characters", |
"lcpasswd Invalid characters in password", |
"lcpasswd Invalid characters in password", |
"11", "12", |
"lcpasswd User already exists", |
"lcpasswd Password mismatch"); |
"lcpasswd Something went wrong with user addition.", |
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"lcpasswd Password mismatch", |
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"lcpasswd Error filename is invalid"); |
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# The array below are lcuseradd error strings.: |
# The array below are lcuseradd error strings.: |
Line 159 sub ResetStatistics {
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Line 162 sub ResetStatistics {
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$Failures = 0; |
$Failures = 0; |
} |
} |
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#------------------------------------------------------------------------ |
#------------------------------------------------------------------------ |
# |
# |
# LocalConnection |
# LocalConnection |
Line 191 sub LocalConnection {
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Line 192 sub LocalConnection {
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."$clientdns ne $thisserver </font>"); |
."$clientdns ne $thisserver </font>"); |
close $Socket; |
close $Socket; |
return undef; |
return undef; |
} |
} else { |
else { |
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chomp($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 $name "); |
Line 323 sub InsecureConnection {
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Line 323 sub InsecureConnection {
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$answer =~s/\W//g; |
$answer =~s/\W//g; |
if($challenge eq $answer) { |
if($challenge eq $answer) { |
return 1; |
return 1; |
} |
} else { |
else { |
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logthis("<font color='blue'>WARNING client did not respond to challenge</font>"); |
logthis("<font color='blue'>WARNING client did not respond to challenge</font>"); |
&status("No challenge reqply"); |
&status("No challenge reqply"); |
return 0; |
return 0; |
Line 371 sub isClient {
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Line 370 sub isClient {
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# - This allows dynamic changes to the manager table |
# - This allows dynamic changes to the manager table |
# without the need to signal to the lond. |
# without the need to signal to the lond. |
# |
# |
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sub ReadManagerTable { |
sub ReadManagerTable { |
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# Clean out the old table first.. |
# Clean out the old table first.. |
Line 653 sub PushFile {
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Line 651 sub PushFile {
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&logthis('<font color="red"> Pushfile: unable to install ' |
&logthis('<font color="red"> Pushfile: unable to install ' |
.$tablefile." $! </font>"); |
.$tablefile." $! </font>"); |
return "error:$!"; |
return "error:$!"; |
} |
} else { |
else { |
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&logthis('<font color="green"> Installed new '.$tablefile |
&logthis('<font color="green"> Installed new '.$tablefile |
."</font>"); |
."</font>"); |
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Line 1138 sub establish_key_handler {
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Line 1135 sub establish_key_handler {
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®ister_handler("ekey", \&establish_key_handler, 0, 1,1); |
®ister_handler("ekey", \&establish_key_handler, 0, 1,1); |
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# Handler for the load command. Returns the current system load average |
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# to the requestor. |
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# |
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# Parameters: |
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# $cmd - the actual keyword that invoked us. |
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# $tail - the tail of the request that invoked us. |
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# $replyfd- File descriptor connected to the client |
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# Implicit Inputs: |
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# $currenthostid - Global variable that carries the name of the host |
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# known as. |
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# $clientname - Global variable that carries the name of the hsot we're connected to. |
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# Returns: |
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# 1 - Ok to continue processing. |
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# 0 - Program should exit. |
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# Side effects: |
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# Reply information is sent to the client. |
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sub load_handler { |
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my ($cmd, $tail, $replyfd) = @_; |
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# Get the load average from /proc/loadavg and calculate it as a percentage of |
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# the allowed load limit as set by the perl global variable lonLoadLim |
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my $loadavg; |
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my $loadfile=IO::File->new('/proc/loadavg'); |
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$loadavg=<$loadfile>; |
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$loadavg =~ s/\s.*//g; # Extract the first field only. |
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my $loadpercent=100*$loadavg/$perlvar{'lonLoadLim'}; |
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&Reply( $replyfd, "$loadpercent\n", "$cmd:$tail"); |
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return 1; |
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} |
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register_handler("load", \&load_handler, 0, 1, 0); |
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# |
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# Process the userload request. This sub returns to the client the current |
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# user load average. It can be invoked either by clients or managers. |
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# |
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# Parameters: |
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# $cmd - the actual keyword that invoked us. |
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# $tail - the tail of the request that invoked us. |
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# $replyfd- File descriptor connected to the client |
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# Implicit Inputs: |
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# $currenthostid - Global variable that carries the name of the host |
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# known as. |
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# $clientname - Global variable that carries the name of the hsot we're connected to. |
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# Returns: |
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# 1 - Ok to continue processing. |
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# 0 - Program should exit |
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# Implicit inputs: |
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# whatever the userload() function requires. |
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# Implicit outputs: |
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# the reply is written to the client. |
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# |
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sub user_load_handler { |
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my ($cmd, $tail, $replyfd) = @_; |
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my $userloadpercent=&userload(); |
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&Reply($replyfd, "$userloadpercent\n", "$cmd:$tail"); |
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return 1; |
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} |
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register_handler("userload", \&user_load_handler, 0, 1, 0); |
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# Process a request for the authorization type of a user: |
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# (userauth). |
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# |
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# Parameters: |
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# $cmd - the actual keyword that invoked us. |
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# $tail - the tail of the request that invoked us. |
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# $replyfd- File descriptor connected to the client |
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# Returns: |
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# 1 - Ok to continue processing. |
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# 0 - Program should exit |
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# Implicit outputs: |
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# The user authorization type is written to the client. |
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# |
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sub user_authorization_type { |
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my ($cmd, $tail, $replyfd) = @_; |
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my $userinput = "$cmd:$tail"; |
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# Pull the domain and username out of the command tail. |
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# and call get_auth_type to determine the authentication type. |
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my ($udom,$uname)=split(/:/,$tail); |
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my $result = &get_auth_type($udom, $uname); |
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if($result eq "nouser") { |
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&Failure( $replyfd, "unknown_user\n", $userinput); |
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} else { |
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# |
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# We only want to pass the second field from get_auth_type |
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# for ^krb.. otherwise we'll be handing out the encrypted |
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# password for internals e.g. |
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# |
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my ($type,$otherinfo) = split(/:/,$result); |
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if($type =~ /^krb/) { |
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$type = $result; |
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} |
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&Reply( $replyfd, "$type:\n", $userinput); |
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} |
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return 1; |
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} |
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®ister_handler("currentauth", \&user_authorization_type, 1, 1, 0); |
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# Process a request by a manager to push a hosts or domain table |
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# to us. We pick apart the command and pass it on to the subs |
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# that already exist to do this. |
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# |
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# Parameters: |
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# $cmd - the actual keyword that invoked us. |
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# $tail - the tail of the request that invoked us. |
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# $client - File descriptor connected to the client |
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# Returns: |
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# 1 - Ok to continue processing. |
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# 0 - Program should exit |
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# Implicit Output: |
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# a reply is written to the client. |
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sub push_file_handler { |
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my ($cmd, $tail, $client) = @_; |
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my $userinput = "$cmd:$tail"; |
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# At this time we only know that the IP of our partner is a valid manager |
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# the code below is a hook to do further authentication (e.g. to resolve |
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# spoofing). |
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my $cert = &GetCertificate($userinput); |
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if(&ValidManager($cert)) { |
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# Now presumably we have the bona fides of both the peer host and the |
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# process making the request. |
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my $reply = &PushFile($userinput); |
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&Reply($client, "$reply\n", $userinput); |
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} else { |
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&Failure( $client, "refused\n", $userinput); |
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} |
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return 1; |
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} |
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®ister_handler("pushfile", \&push_file_handler, 1, 0, 1); |
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# Process a reinit request. Reinit requests that either |
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# lonc or lond be reinitialized so that an updated |
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# host.tab or domain.tab can be processed. |
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# |
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# Parameters: |
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# $cmd - the actual keyword that invoked us. |
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# $tail - the tail of the request that invoked us. |
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# $client - File descriptor connected to the client |
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# Returns: |
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# 1 - Ok to continue processing. |
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# 0 - Program should exit |
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# Implicit output: |
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# a reply is sent to the client. |
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# |
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sub reinit_process_handler { |
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my ($cmd, $tail, $client) = @_; |
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my $userinput = "$cmd:$tail"; |
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my $cert = &GetCertificate($userinput); |
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if(&ValidManager($cert)) { |
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chomp($userinput); |
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my $reply = &ReinitProcess($userinput); |
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&Reply( $client, "$reply\n", $userinput); |
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} else { |
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&Failure( $client, "refused\n", $userinput); |
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} |
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return 1; |
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} |
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®ister_handler("reinit", \&reinit_process_handler, 1, 0, 1); |
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# Process the editing script for a table edit operation. |
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# the editing operation must be encrypted and requested by |
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# a manager host. |
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# |
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# Parameters: |
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# $cmd - the actual keyword that invoked us. |
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# $tail - the tail of the request that invoked us. |
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# $client - File descriptor connected to the client |
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# Returns: |
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# 1 - Ok to continue processing. |
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# 0 - Program should exit |
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# Implicit output: |
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# a reply is sent to the client. |
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# |
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sub edit_table_handler { |
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my ($command, $tail, $client) = @_; |
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my $userinput = "$command:$tail"; |
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my $cert = &GetCertificate($userinput); |
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if(&ValidManager($cert)) { |
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my($filetype, $script) = split(/:/, $tail); |
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if (($filetype eq "hosts") || |
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($filetype eq "domain")) { |
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if($script ne "") { |
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&Reply($client, # BUGBUG - EditFile |
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&EditFile($userinput), # could fail. |
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$userinput); |
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} else { |
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&Failure($client,"refused\n",$userinput); |
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} |
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} else { |
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&Failure($client,"refused\n",$userinput); |
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} |
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} else { |
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&Failure($client,"refused\n",$userinput); |
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} |
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return 1; |
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} |
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register_handler("edit", \&edit_table_handler, 1, 0, 1); |
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# |
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# Authenticate a user against the LonCAPA authentication |
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# database. Note that there are several authentication |
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# possibilities: |
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# - unix - The user can be authenticated against the unix |
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# password file. |
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# - internal - The user can be authenticated against a purely |
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# internal per user password file. |
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# - kerberos - The user can be authenticated against either a kerb4 or kerb5 |
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# ticket granting authority. |
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# - user - The person tailoring LonCAPA can supply a user authentication |
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# mechanism that is per system. |
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# |
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# Parameters: |
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# $cmd - The command that got us here. |
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# $tail - Tail of the command (remaining parameters). |
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# $client - File descriptor connected to client. |
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# Returns |
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# 0 - Requested to exit, caller should shut down. |
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# 1 - Continue processing. |
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# Implicit inputs: |
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# The authentication systems describe above have their own forms of implicit |
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# input into the authentication process that are described above. |
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# |
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sub authenticate_handler { |
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my ($cmd, $tail, $client) = @_; |
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# Regenerate the full input line |
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my $userinput = $cmd.":".$tail; |
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# udom - User's domain. |
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# uname - Username. |
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# upass - User's password. |
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my ($udom,$uname,$upass)=split(/:/,$tail); |
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&Debug(" Authenticate domain = $udom, user = $uname, password = $upass"); |
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chomp($upass); |
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$upass=&unescape($upass); |
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my $pwdcorrect = &validate_user($udom, $uname, $upass); |
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if($pwdcorrect) { |
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&Reply( $client, "authorized\n", $userinput); |
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# |
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# Bad credentials: Failed to authorize |
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# |
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} else { |
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&Failure( $client, "non_authorized\n", $userinput); |
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} |
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return 1; |
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} |
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register_handler("auth", \&authenticate_handler, 1, 1, 0); |
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# |
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# Change a user's password. Note that this function is complicated by |
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# the fact that a user may be authenticated in more than one way: |
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# At present, we are not able to change the password for all types of |
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# authentication methods. Only for: |
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# unix - unix password or shadow passoword style authentication. |
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# local - Locally written authentication mechanism. |
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# For now, kerb4 and kerb5 password changes are not supported and result |
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# in an error. |
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# FUTURE WORK: |
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# Support kerberos passwd changes? |
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# Parameters: |
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# $cmd - The command that got us here. |
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# $tail - Tail of the command (remaining parameters). |
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# $client - File descriptor connected to client. |
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# Returns |
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# 0 - Requested to exit, caller should shut down. |
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# 1 - Continue processing. |
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# Implicit inputs: |
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# The authentication systems describe above have their own forms of implicit |
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# input into the authentication process that are described above. |
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sub change_password_handler { |
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my ($cmd, $tail, $client) = @_; |
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my $userinput = $cmd.":".$tail; # Reconstruct client's string. |
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# |
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# udom - user's domain. |
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# uname - Username. |
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# upass - Current password. |
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# npass - New password. |
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my ($udom,$uname,$upass,$npass)=split(/:/,$tail); |
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$upass=&unescape($upass); |
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$npass=&unescape($npass); |
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&Debug("Trying to change password for $uname"); |
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# First require that the user can be authenticated with their |
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# old password: |
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my $validated = &validate_user($udom, $uname, $upass); |
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if($validated) { |
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my $realpasswd = &get_auth_type($udom, $uname); # Defined since authd. |
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my ($howpwd,$contentpwd)=split(/:/,$realpasswd); |
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if ($howpwd eq 'internal') { |
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&Debug("internal auth"); |
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my $salt=time; |
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$salt=substr($salt,6,2); |
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my $ncpass=crypt($npass,$salt); |
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if(&rewrite_password_file($udom, $uname, "internal:$ncpass")) { |
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&logthis("Result of password change for " |
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."$uname: pwchange_success"); |
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&Reply($client, "ok\n", $userinput); |
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} else { |
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&logthis("Unable to open $uname passwd " |
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."to change password"); |
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&Failure( $client, "non_authorized\n",$userinput); |
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} |
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} elsif ($howpwd eq 'unix') { |
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# Unix means we have to access /etc/password |
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&Debug("auth is unix"); |
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my $execdir=$perlvar{'lonDaemons'}; |
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&Debug("Opening lcpasswd pipeline"); |
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my $pf = IO::File->new("|$execdir/lcpasswd > " |
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."$perlvar{'lonDaemons'}" |
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."/logs/lcpasswd.log"); |
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print $pf "$uname\n$npass\n$npass\n"; |
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close $pf; |
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my $err = $?; |
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my $result = ($err>0 ? 'pwchange_failure' : 'ok'); |
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&logthis("Result of password change for $uname: ". |
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&lcpasswdstrerror($?)); |
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&Reply($client, "$result\n", $userinput); |
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} else { |
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# this just means that the current password mode is not |
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# one we know how to change (e.g the kerberos auth modes or |
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# locally written auth handler). |
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# |
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&Failure( $client, "auth_mode_error\n", $userinput); |
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} |
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} else { |
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&Failure( $client, "non_authorized\n", $userinput); |
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} |
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return 1; |
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} |
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register_handler("passwd", \&change_password_handler, 1, 1, 0); |
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# |
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# Create a new user. User in this case means a lon-capa user. |
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# The user must either already exist in some authentication realm |
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# like kerberos or the /etc/passwd. If not, a user completely local to |
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# this loncapa system is created. |
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# |
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# Parameters: |
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# $cmd - The command that got us here. |
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# $tail - Tail of the command (remaining parameters). |
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# $client - File descriptor connected to client. |
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# Returns |
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# 0 - Requested to exit, caller should shut down. |
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# 1 - Continue processing. |
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# Implicit inputs: |
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# The authentication systems describe above have their own forms of implicit |
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# input into the authentication process that are described above. |
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sub add_user_handler { |
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my ($cmd, $tail, $client) = @_; |
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my ($udom,$uname,$umode,$npass)=split(/:/,$tail); |
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my $userinput = $cmd.":".$tail; # Reconstruct the full request line. |
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&Debug("cmd =".$cmd." $udom =".$udom." uname=".$uname); |
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if($udom eq $currentdomainid) { # Reject new users for other domains... |
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my $oldumask=umask(0077); |
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chomp($npass); |
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$npass=&unescape($npass); |
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my $passfilename = &password_path($udom, $uname); |
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&Debug("Password file created will be:".$passfilename); |
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if (-e $passfilename) { |
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&Failure( $client, "already_exists\n", $userinput); |
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} else { |
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my @fpparts=split(/\//,$passfilename); |
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my $fpnow=$fpparts[0].'/'.$fpparts[1].'/'.$fpparts[2]; |
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my $fperror=''; |
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for (my $i=3;$i<= ($#fpparts-1);$i++) { |
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$fpnow.='/'.$fpparts[$i]; |
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unless (-e $fpnow) { |
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&logthis("mkdir $fpnow"); |
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unless (mkdir($fpnow,0777)) { |
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$fperror="error: ".($!+0)." mkdir failed while attempting " |
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."makeuser"; |
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} |
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} |
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} |
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unless ($fperror) { |
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my $result=&make_passwd_file($uname, $umode,$npass, $passfilename); |
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&Reply($client, $result, $userinput); #BUGBUG - could be fail |
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} else { |
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&Failure($client, "$fperror\n", $userinput); |
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} |
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} |
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umask($oldumask); |
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} else { |
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&Failure($client, "not_right_domain\n", |
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$userinput); # Even if we are multihomed. |
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} |
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return 1; |
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} |
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®ister_handler("makeuser", \&add_user_handler, 1, 1, 0); |
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# |
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# Change the authentication method of a user. Note that this may |
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# also implicitly change the user's password if, for example, the user is |
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# joining an existing authentication realm. Known authentication realms at |
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# this time are: |
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# internal - Purely internal password file (only loncapa knows this user) |
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# local - Institutionally written authentication module. |
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# unix - Unix user (/etc/passwd with or without /etc/shadow). |
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# kerb4 - kerberos version 4 |
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# kerb5 - kerberos version 5 |
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# |
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# Parameters: |
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# $cmd - The command that got us here. |
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# $tail - Tail of the command (remaining parameters). |
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# $client - File descriptor connected to client. |
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# Returns |
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# 0 - Requested to exit, caller should shut down. |
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# 1 - Continue processing. |
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# Implicit inputs: |
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# The authentication systems describe above have their own forms of implicit |
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# input into the authentication process that are described above. |
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# |
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sub change_authentication_handler { |
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my ($cmd, $tail, $client) = @_; |
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my $userinput = "$cmd:$tail"; # Reconstruct user input. |
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my ($udom,$uname,$umode,$npass)=split(/:/,$tail); |
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&Debug("cmd = ".$cmd." domain= ".$udom."uname =".$uname." umode= ".$umode); |
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if ($udom ne $currentdomainid) { |
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&Failure( $client, "not_right_domain\n", $client); |
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} else { |
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chomp($npass); |
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$npass=&unescape($npass); |
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my $passfilename = &password_path($udom, $uname); |
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if ($passfilename) { # Not allowed to create a new user!! |
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my $result=&make_passwd_file($uname, $umode,$npass,$passfilename); |
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&Reply($client, $result, $userinput); |
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} else { |
|
&Failure($client, "non_authorized", $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)=split(/\//,$fname); |
|
my $udir=&propath($udom,$uname).'/userfiles'; |
|
unless (-e $udir) { |
|
mkdir($udir,0770); |
|
} |
|
if (-e $udir) { |
|
$ufile=~s/^[\.\~]+//; |
|
$ufile=~s/\///g; |
|
my $destname=$udir.'/'.$ufile; |
|
my $transname=$udir.'/'.$ufile.'.in.transit'; |
|
my $remoteurl='http://'.$clientip.'/userfiles/'.$fname; |
|
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)"); |
|
&Failure($client, "failed\n", $userinput); |
|
} else { |
|
if (!rename($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 $file) { |
|
unlink($file); |
|
if (-e $file) { |
|
&Failure($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:$tail"); |
|
} |
|
} |
|
return 1; |
|
} |
|
®ister_handler("removeuserfile", \&remove_user_file_handler, 0,1,0); |
|
|
|
|
|
# |
|
# Authenticate access to a user file by checking the user's |
|
# session token(?) |
|
# |
|
# Parameters: |
|
# cmd - The request keyword that dispatched to tus. |
|
# tail - The tail of the request (colon separated parameters). |
|
# client - Filehandle open on the client. |
|
# Return: |
|
# 1. |
|
|
|
sub token_auth_user_file_handler { |
|
my ($cmd, $tail, $client) = @_; |
|
|
|
my ($fname, $session) = split(/:/, $tail); |
|
|
|
chomp($session); |
|
my $reply='non_auth'; |
|
if (open(ENVIN,$perlvar{'lonIDsDir'}.'/'. |
|
$session.'.id')) { |
|
while (my $line=<ENVIN>) { |
|
if ($line=~ m|userfile\.\Q$fname\E\=|) { $reply='ok'; } |
|
} |
|
close(ENVIN); |
|
&Reply($client, $reply); |
|
} else { |
|
&Failure($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); |
|
|
#--------------------------------------------------------------- |
#--------------------------------------------------------------- |
# |
# |
Line 1149 sub establish_key_handler {
|
Line 1913 sub establish_key_handler {
|
# Gets a Request message from the client. The transaction |
# Gets a Request message from the client. The transaction |
# is defined as a 'line' of text. We remove the new line |
# is defined as a 'line' of text. We remove the new line |
# from the text line. |
# from the text line. |
# |
# |
sub get_request { |
sub get_request { |
my $input = <$client>; |
my $input = <$client>; |
chomp($input); |
chomp($input); |
Line 1252 sub process_request {
|
Line 2016 sub process_request {
|
|
|
#------------------- Commands not yet in spearate handlers. -------------- |
#------------------- Commands not yet in spearate handlers. -------------- |
|
|
# ------------------------------------------------------------------------ load |
|
if ($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", $userinput); |
|
|
|
} |
|
# ------------------------------------------------------------------- subscribe |
# ------------------------------------------------------------------- subscribe |
} elsif ($userinput =~ /^sub/) { |
if ($userinput =~ /^sub/) { |
if(isClient) { |
if(isClient) { |
print $client &subscribe($userinput,$clientip); |
print $client &subscribe($userinput,$clientip); |
} else { |
} else { |
Line 1925 sub process_request {
|
Line 2176 sub process_request {
|
foreach my $pair (@pairs) { |
foreach my $pair (@pairs) { |
my ($key,$value)=split(/=/,$pair); |
my ($key,$value)=split(/=/,$pair); |
&ManagePermissions($key, $udom, $uname, |
&ManagePermissions($key, $udom, $uname, |
&GetAuthType( $udom, |
&get_auth_type( $udom, |
$uname)); |
$uname)); |
$hash{$key}=$value; |
$hash{$key}=$value; |
} |
} |
Line 2382 sub process_request {
|
Line 2633 sub process_request {
|
print $store2 "done\n"; |
print $store2 "done\n"; |
close $store2; |
close $store2; |
print $client "ok\n"; |
print $client "ok\n"; |
} |
} else { |
else { |
|
print $client "error: ".($!+0) |
print $client "error: ".($!+0) |
." IO::File->new Failed ". |
." IO::File->new Failed ". |
"while attempting queryreply\n"; |
"while attempting queryreply\n"; |
Line 2897 sub register_handler {
|
Line 3147 sub register_handler {
|
|
|
$Dispatcher{$request_name} = \@entry; |
$Dispatcher{$request_name} = \@entry; |
|
|
|
|
} |
} |
|
|
|
|
Line 2944 sub catchexception {
|
Line 3193 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 2952 sub timeout {
|
Line 3200 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 3152 sub checkchildren {
|
Line 3401 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; |
Line 3174 sub checkchildren {
|
Line 3424 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 3181 sub checkchildren {
|
Line 3432 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 3251 sub logstatus {
|
Line 3503 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(DB,LOCK_UN); |
|
close(LOG); |
|
} |
&status("Finished logging"); |
&status("Finished logging"); |
} |
} |
|
|
Line 3576 sub make_new_child {
|
Line 3830 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 3713 sub ManagePermissions
|
Line 3966 sub ManagePermissions
|
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) = @_; |
|
|
|
|
|
my $path = &propath($domain, $user); |
|
$path .= "/passwd"; |
|
|
|
return $path; |
|
} |
|
|
|
# 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. |
# |
# |
# GetAuthType - Determines the authorization type of a user in a domain. |
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; |
|
} |
|
|
|
} |
|
|
|
# |
|
# 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 3739 sub GetAuthType
|
Line 4064 sub GetAuthType
|
} |
} |
|
|
return "$authtype:$availinfo"; |
return "$authtype:$availinfo"; |
} |
} else { |
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. |
|
|
|
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) { |
|
die "ValidateUser - failed to set the value of validated"; |
|
} |
|
return $validated; |
|
} |
|
|
|
|
sub addline { |
sub addline { |
my ($fname,$hostid,$ip,$newline)=@_; |
my ($fname,$hostid,$ip,$newline)=@_; |
my $contents; |
my $contents; |
Line 3991 sub make_passwd_file {
|
Line 4435 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 3999 sub make_passwd_file {
|
Line 4445 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 = $?; |
my $error = IO::File->new("< $lc_error_file"); |
|
my $useraddok = <$error>; |
|
$error->close; |
|
unlink($lc_error_file); |
|
|
|
chomp $useraddok; |
|
|
if($useraddok > 0) { |
if($useraddok > 0) { |
&logthis("Failed lcuseradd: ".&lcuseraddstrerror($useraddok)); |
my $error_text = &lcuseraddstrerror($useraddok); |
|
&logthis("Failed lcuseradd: $error_text"); |
|
$result = "lcuseradd_failed:$error_text\n"; |
|
} else { |
|
my $pf = IO::File->new(">$passfilename"); |
|
print $pf "unix:\n"; |
} |
} |
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"; |
print $pf "none:\n"; |
} |
} |
} else { |
} else { |