version 1.170, 2004/01/07 21:13:52
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version 1.200, 2004/06/21 13:25:53
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Line 45 use Authen::Krb4;
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Line 45 use Authen::Krb4;
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use Authen::Krb5; |
use Authen::Krb5; |
use lib '/home/httpd/lib/perl/'; |
use lib '/home/httpd/lib/perl/'; |
use localauth; |
use localauth; |
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use localenroll; |
use File::Copy; |
use File::Copy; |
use LONCAPA::ConfigFileEdit; |
use LONCAPA::ConfigFileEdit; |
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use LONCAPA::lonlocal; |
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use LONCAPA::lonssl; |
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my $DEBUG = 0; # Non zero to enable debug log entries. |
my $DEBUG = 11; # Non zero to enable debug log entries. |
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my $status=''; |
my $status=''; |
my $lastlog=''; |
my $lastlog=''; |
Line 59 my $currenthostid;
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Line 62 my $currenthostid;
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my $currentdomainid; |
my $currentdomainid; |
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my $client; |
my $client; |
my $clientip; |
my $clientip; # IP address of client. |
my $clientname; |
my $clientdns; # DNS name of client. |
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my $clientname; # LonCAPA name of client. |
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my $server; |
my $server; |
my $thisserver; |
my $thisserver; # DNS of us. |
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my $keymode; |
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# |
# |
# Connection type is: |
# Connection type is: |
Line 74 my $thisserver;
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Line 80 my $thisserver;
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my $ConnectionType; |
my $ConnectionType; |
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my %hostid; |
my %hostid; # ID's for hosts in cluster by ip. |
my %hostdom; |
my %hostdom; # LonCAPA domain for hosts in cluster. |
my %hostip; |
my %hostip; # IPs for hosts in cluster. |
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my %hostdns; # ID's of hosts looked up by DNS name. |
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my %managers; # Ip -> manager names |
my %managers; # Ip -> manager names |
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Line 120 my @adderrors = ("ok",
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Line 127 my @adderrors = ("ok",
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"lcuseradd Password mismatch"); |
"lcuseradd Password mismatch"); |
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#------------------------------------------------------------------------ |
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# |
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# LocalConnection |
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# Completes the formation of a locally authenticated connection. |
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# This function will ensure that the 'remote' client is really the |
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# local host. If not, the connection is closed, and the function fails. |
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# If so, initcmd is parsed for the name of a file containing the |
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# IDEA session key. The fie is opened, read, deleted and the session |
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# key returned to the caller. |
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# |
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# Parameters: |
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# $Socket - Socket open on client. |
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# $initcmd - The full text of the init command. |
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# |
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# Implicit inputs: |
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# $clientdns - The DNS name of the remote client. |
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# $thisserver - Our DNS name. |
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# |
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# Returns: |
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# IDEA session key on success. |
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# undef on failure. |
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# |
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sub LocalConnection { |
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my ($Socket, $initcmd) = @_; |
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Debug("Attempting local connection: $initcmd client: $clientdns me: $thisserver"); |
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if($clientdns ne $thisserver) { |
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&logthis('<font color="red"> LocalConnection rejecting non local: ' |
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."$clientdns ne $thisserver </font>"); |
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close $Socket; |
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return undef; |
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} |
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else { |
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chomp($initcmd); # Get rid of \n in filename. |
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my ($init, $type, $name) = split(/:/, $initcmd); |
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Debug(" Init command: $init $type $name "); |
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# Require that $init = init, and $type = local: Otherwise |
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# the caller is insane: |
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if(($init ne "init") && ($type ne "local")) { |
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&logthis('<font color = "red"> LocalConnection: caller is insane! ' |
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."init = $init, and type = $type </font>"); |
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close($Socket);; |
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return undef; |
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} |
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# Now get the key filename: |
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my $IDEAKey = lonlocal::ReadKeyFile($name); |
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return $IDEAKey; |
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} |
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} |
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#------------------------------------------------------------------------------ |
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# |
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# SSLConnection |
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# Completes the formation of an ssh authenticated connection. The |
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# socket is promoted to an ssl socket. If this promotion and the associated |
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# certificate exchange are successful, the IDEA key is generated and sent |
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# to the remote peer via the SSL tunnel. The IDEA key is also returned to |
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# the caller after the SSL tunnel is torn down. |
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# |
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# Parameters: |
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# Name Type Purpose |
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# $Socket IO::Socket::INET Plaintext socket. |
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# |
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# Returns: |
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# IDEA key on success. |
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# undef on failure. |
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# |
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sub SSLConnection { |
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my $Socket = shift; |
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Debug("SSLConnection: "); |
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my $KeyFile = lonssl::KeyFile(); |
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if(!$KeyFile) { |
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my $err = lonssl::LastError(); |
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&logthis("<font color=\"red\"> CRITICAL" |
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."Can't get key file $err </font>"); |
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return undef; |
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} |
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my ($CACertificate, |
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$Certificate) = lonssl::CertificateFile(); |
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# If any of the key, certificate or certificate authority |
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# certificate filenames are not defined, this can't work. |
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if((!$Certificate) || (!$CACertificate)) { |
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my $err = lonssl::LastError(); |
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&logthis("<font color=\"red\"> CRITICAL" |
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."Can't get certificates: $err </font>"); |
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return undef; |
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} |
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Debug("Key: $KeyFile CA: $CACertificate Cert: $Certificate"); |
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# Indicate to our peer that we can procede with |
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# a transition to ssl authentication: |
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print $Socket "ok:ssl\n"; |
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Debug("Approving promotion -> ssl"); |
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# And do so: |
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my $SSLSocket = lonssl::PromoteServerSocket($Socket, |
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$CACertificate, |
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$Certificate, |
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$KeyFile); |
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if(! ($SSLSocket) ) { # SSL socket promotion failed. |
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my $err = lonssl::LastError(); |
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&logthis("<font color=\"red\"> CRITICAL " |
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."SSL Socket promotion failed: $err </font>"); |
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return undef; |
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} |
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Debug("SSL Promotion successful"); |
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# |
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# The only thing we'll use the socket for is to send the IDEA key |
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# to the peer: |
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my $Key = lonlocal::CreateCipherKey(); |
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print $SSLSocket "$Key\n"; |
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lonssl::Close($SSLSocket); |
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Debug("Key exchange complete: $Key"); |
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return $Key; |
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} |
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# |
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# InsecureConnection: |
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# If insecure connections are allowd, |
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# exchange a challenge with the client to 'validate' the |
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# client (not really, but that's the protocol): |
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# We produce a challenge string that's sent to the client. |
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# The client must then echo the challenge verbatim to us. |
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# |
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# Parameter: |
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# Socket - Socket open on the client. |
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# Returns: |
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# 1 - success. |
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# 0 - failure (e.g.mismatch or insecure not allowed). |
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# |
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sub InsecureConnection { |
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my $Socket = shift; |
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# Don't even start if insecure connections are not allowed. |
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if(! $perlvar{londAllowInsecure}) { # Insecure connections not allowed. |
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return 0; |
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} |
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# Fabricate a challenge string and send it.. |
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my $challenge = "$$".time; # pid + time. |
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print $Socket "$challenge\n"; |
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&status("Waiting for challenge reply"); |
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my $answer = <$Socket>; |
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$answer =~s/\W//g; |
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if($challenge eq $answer) { |
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return 1; |
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} |
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else { |
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logthis("<font color='blue'>WARNING client did not respond to challenge</font>"); |
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&status("No challenge reqply"); |
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return 0; |
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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 |
Line 225 sub ValidManager {
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Line 404 sub ValidManager {
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# 1 - Success. |
# 1 - Success. |
# |
# |
sub CopyFile { |
sub CopyFile { |
my $oldfile = shift; |
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my $newfile = shift; |
my ($oldfile, $newfile) = @_; |
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# The file must exist: |
# The file must exist: |
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Line 326 sub AdjustHostContents {
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Line 505 sub AdjustHostContents {
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# 0 - failure and $! has an errno. |
# 0 - failure and $! has an errno. |
# |
# |
sub InstallFile { |
sub InstallFile { |
my $Filename = shift; |
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my $Contents = shift; |
my ($Filename, $Contents) = @_; |
my $TempFile = $Filename.".tmp"; |
my $TempFile = $Filename.".tmp"; |
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# Open the file for write: |
# Open the file for write: |
Line 350 sub InstallFile {
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Line 529 sub InstallFile {
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return 1; |
return 1; |
} |
} |
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# |
# |
# ConfigFileFromSelector: converts a configuration file selector |
# ConfigFileFromSelector: converts a configuration file selector |
# (one of host or domain at this point) into a |
# (one of host or domain at this point) into a |
Line 564 sub isValidEditCommand {
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Line 745 sub isValidEditCommand {
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# file being edited. |
# file being edited. |
# |
# |
sub ApplyEdit { |
sub ApplyEdit { |
my $directive = shift; |
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my $editor = shift; |
my ($directive, $editor) = @_; |
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# Break the directive down into its command and its parameters |
# Break the directive down into its command and its parameters |
# (at most two at this point. The meaning of the parameters, if in fact |
# (at most two at this point. The meaning of the parameters, if in fact |
Line 649 sub AdjustOurHost {
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Line 830 sub AdjustOurHost {
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# editor - Editor containing the file. |
# editor - Editor containing the file. |
# |
# |
sub ReplaceConfigFile { |
sub ReplaceConfigFile { |
my $filename = shift; |
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my $editor = shift; |
my ($filename, $editor) = @_; |
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CopyFile ($filename, $filename.".old"); |
CopyFile ($filename, $filename.".old"); |
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Line 749 sub catchexception {
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Line 930 sub catchexception {
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$SIG{'QUIT'}='DEFAULT'; |
$SIG{'QUIT'}='DEFAULT'; |
$SIG{__DIE__}='DEFAULT'; |
$SIG{__DIE__}='DEFAULT'; |
&status("Catching exception"); |
&status("Catching exception"); |
&logthis("<font color=red>CRITICAL: " |
&logthis("<font color='red'>CRITICAL: " |
."ABNORMAL EXIT. Child $$ for server $thisserver died through " |
."ABNORMAL EXIT. Child $$ for server $thisserver died through " |
."a crash with this error msg->[$error]</font>"); |
."a crash with this error msg->[$error]</font>"); |
&logthis('Famous last words: '.$status.' - '.$lastlog); |
&logthis('Famous last words: '.$status.' - '.$lastlog); |
Line 760 sub catchexception {
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Line 941 sub catchexception {
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sub timeout { |
sub timeout { |
&status("Handling Timeout"); |
&status("Handling Timeout"); |
&logthis("<font color=ref>CRITICAL: TIME OUT ".$$."</font>"); |
&logthis("<font color='red'>CRITICAL: TIME OUT ".$$."</font>"); |
&catchexception('Timeout'); |
&catchexception('Timeout'); |
} |
} |
# -------------------------------- Set signal handlers to record abnormal exits |
# -------------------------------- Set signal handlers to record abnormal exits |
Line 812 $server = IO::Socket::INET->new(LocalPor
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Line 993 $server = IO::Socket::INET->new(LocalPor
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# global variables |
# global variables |
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my %children = (); # keys are current child process IDs |
my %children = (); # keys are current child process IDs |
my $children = 0; # current number of children |
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sub REAPER { # takes care of dead children |
sub REAPER { # takes care of dead children |
$SIG{CHLD} = \&REAPER; |
$SIG{CHLD} = \&REAPER; |
&status("Handling child death"); |
&status("Handling child death"); |
my $pid = wait; |
my $pid; |
if (defined($children{$pid})) { |
do { |
&logthis("Child $pid died"); |
$pid = waitpid(-1,&WNOHANG()); |
$children --; |
if (defined($children{$pid})) { |
delete $children{$pid}; |
&logthis("Child $pid died"); |
} else { |
delete($children{$pid}); |
&logthis("Unknown Child $pid died"); |
} elsif ($pid > 0) { |
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&logthis("Unknown Child $pid died"); |
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} |
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} while ( $pid > 0 ); |
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foreach my $child (keys(%children)) { |
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$pid = waitpid($child,&WNOHANG()); |
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if ($pid > 0) { |
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&logthis("Child $child - $pid looks like we missed it's death"); |
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delete($children{$pid}); |
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} |
} |
} |
&status("Finished Handling child death"); |
&status("Finished Handling child death"); |
} |
} |
Line 835 sub HUNTSMAN { # si
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Line 1024 sub HUNTSMAN { # si
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&logthis("Free socket: ".shutdown($server,2)); # free up socket |
&logthis("Free socket: ".shutdown($server,2)); # free up socket |
my $execdir=$perlvar{'lonDaemons'}; |
my $execdir=$perlvar{'lonDaemons'}; |
unlink("$execdir/logs/lond.pid"); |
unlink("$execdir/logs/lond.pid"); |
&logthis("<font color=red>CRITICAL: Shutting down</font>"); |
&logthis("<font color='red'>CRITICAL: Shutting down</font>"); |
&status("Done killing children"); |
&status("Done killing children"); |
exit; # clean up with dignity |
exit; # clean up with dignity |
} |
} |
Line 845 sub HUPSMAN { # sig
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Line 1034 sub HUPSMAN { # sig
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&status("Killing children for restart (HUP)"); |
&status("Killing children for restart (HUP)"); |
kill 'INT' => keys %children; |
kill 'INT' => keys %children; |
&logthis("Free socket: ".shutdown($server,2)); # free up socket |
&logthis("Free socket: ".shutdown($server,2)); # free up socket |
&logthis("<font color=red>CRITICAL: Restarting</font>"); |
&logthis("<font color='red'>CRITICAL: Restarting</font>"); |
my $execdir=$perlvar{'lonDaemons'}; |
my $execdir=$perlvar{'lonDaemons'}; |
unlink("$execdir/logs/lond.pid"); |
unlink("$execdir/logs/lond.pid"); |
&status("Restarting self (HUP)"); |
&status("Restarting self (HUP)"); |
Line 855 sub HUPSMAN { # sig
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Line 1044 sub HUPSMAN { # sig
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# |
# |
# Kill off hashes that describe the host table prior to re-reading it. |
# Kill off hashes that describe the host table prior to re-reading it. |
# Hashes affected are: |
# Hashes affected are: |
# %hostid, %hostdom %hostip |
# %hostid, %hostdom %hostip %hostdns. |
# |
# |
sub KillHostHashes { |
sub KillHostHashes { |
foreach my $key (keys %hostid) { |
foreach my $key (keys %hostid) { |
Line 867 sub KillHostHashes {
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Line 1056 sub KillHostHashes {
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foreach my $key (keys %hostip) { |
foreach my $key (keys %hostip) { |
delete $hostip{$key}; |
delete $hostip{$key}; |
} |
} |
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foreach my $key (keys %hostdns) { |
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delete $hostdns{$key}; |
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} |
} |
} |
# |
# |
# Read in the host table from file and distribute it into the various hashes: |
# Read in the host table from file and distribute it into the various hashes: |
Line 877 sub KillHostHashes {
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Line 1069 sub KillHostHashes {
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sub ReadHostTable { |
sub ReadHostTable { |
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open (CONFIG,"$perlvar{'lonTabDir'}/hosts.tab") || die "Can't read host file"; |
open (CONFIG,"$perlvar{'lonTabDir'}/hosts.tab") || die "Can't read host file"; |
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my $myloncapaname = $perlvar{'lonHostID'}; |
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Debug("My loncapa name is : $myloncapaname"); |
while (my $configline=<CONFIG>) { |
while (my $configline=<CONFIG>) { |
my ($id,$domain,$role,$name,$ip)=split(/:/,$configline); |
if (!($configline =~ /^\s*\#/)) { |
chomp($ip); $ip=~s/\D+$//; |
my ($id,$domain,$role,$name,$ip)=split(/:/,$configline); |
$hostid{$ip}=$id; |
chomp($ip); $ip=~s/\D+$//; |
$hostdom{$id}=$domain; |
$hostid{$ip}=$id; # LonCAPA name of host by IP. |
$hostip{$id}=$ip; |
$hostdom{$id}=$domain; # LonCAPA domain name of host. |
if ($id eq $perlvar{'lonHostID'}) { $thisserver=$name; } |
$hostip{$id}=$ip; # IP address of host. |
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$hostdns{$name} = $id; # LonCAPA name of host by DNS. |
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if ($id eq $perlvar{'lonHostID'}) { |
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Debug("Found me in the host table: $name"); |
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$thisserver=$name; |
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} |
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} |
} |
} |
close(CONFIG); |
close(CONFIG); |
} |
} |
Line 1005 sub Debug {
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Line 1205 sub Debug {
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# request - Original request from client. |
# request - Original request from client. |
# |
# |
sub Reply { |
sub Reply { |
my $fd = shift; |
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my $reply = shift; |
my ($fd, $reply, $request) = @_; |
my $request = shift; |
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print $fd $reply; |
print $fd $reply; |
Debug("Request was $request Reply was $reply"); |
Debug("Request was $request Reply was $reply"); |
Line 1020 sub logstatus {
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Line 1219 sub logstatus {
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my $docdir=$perlvar{'lonDocRoot'}; |
my $docdir=$perlvar{'lonDocRoot'}; |
{ |
{ |
my $fh=IO::File->new(">>$docdir/lon-status/londstatus.txt"); |
my $fh=IO::File->new(">>$docdir/lon-status/londstatus.txt"); |
print $fh $$."\t".$currenthostid."\t".$status."\t".$lastlog."\n"; |
print $fh $$."\t".$clientname."\t".$currenthostid."\t" |
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.$status."\t".$lastlog."\t $keymode\n"; |
$fh->close(); |
$fh->close(); |
} |
} |
&status("Finished londstatus.txt"); |
&status("Finished londstatus.txt"); |
{ |
{ |
my $fh=IO::File->new(">$docdir/lon-status/londchld/$$.txt"); |
my $fh=IO::File->new(">$docdir/lon-status/londchld/$$.txt"); |
print $fh $status."\n".$lastlog."\n".time; |
print $fh $status."\n".$lastlog."\n".time."\n$keymode"; |
$fh->close(); |
$fh->close(); |
} |
} |
&status("Finished logging"); |
&status("Finished logging"); |
Line 1085 sub reconlonc {
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Line 1285 sub reconlonc {
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kill USR1 => $loncpid; |
kill USR1 => $loncpid; |
} else { |
} else { |
&logthis( |
&logthis( |
"<font color=red>CRITICAL: " |
"<font color='red'>CRITICAL: " |
."lonc at pid $loncpid not responding, giving up</font>"); |
."lonc at pid $loncpid not responding, giving up</font>"); |
} |
} |
} else { |
} else { |
&logthis('<font color=red>CRITICAL: lonc not running, giving up</font>'); |
&logthis('<font color="red">CRITICAL: lonc not running, giving up</font>'); |
} |
} |
} |
} |
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Line 1193 my $execdir=$perlvar{'lonDaemons'};
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Line 1393 my $execdir=$perlvar{'lonDaemons'};
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open (PIDSAVE,">$execdir/logs/lond.pid"); |
open (PIDSAVE,">$execdir/logs/lond.pid"); |
print PIDSAVE "$$\n"; |
print PIDSAVE "$$\n"; |
close(PIDSAVE); |
close(PIDSAVE); |
&logthis("<font color=red>CRITICAL: ---------- Starting ----------</font>"); |
&logthis("<font color='red'>CRITICAL: ---------- Starting ----------</font>"); |
&status('Starting'); |
&status('Starting'); |
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Line 1248 sub make_new_child {
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Line 1448 sub make_new_child {
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# the pid hash. |
# the pid hash. |
# |
# |
my $caller = getpeername($client); |
my $caller = getpeername($client); |
my ($port,$iaddr)=unpack_sockaddr_in($caller); |
my ($port,$iaddr); |
$clientip=inet_ntoa($iaddr); |
if (defined($caller) && length($caller) > 0) { |
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($port,$iaddr)=unpack_sockaddr_in($caller); |
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} else { |
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&logthis("Unable to determine who caller was, getpeername returned nothing"); |
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} |
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if (defined($iaddr)) { |
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$clientip = inet_ntoa($iaddr); |
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Debug("Connected with $clientip"); |
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$clientdns = gethostbyaddr($iaddr, AF_INET); |
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Debug("Connected with $clientdns by name"); |
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} else { |
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&logthis("Unable to determine clientip"); |
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$clientip='Unavailable'; |
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} |
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if ($pid) { |
if ($pid) { |
# Parent records the child's birth and returns. |
# Parent records the child's birth and returns. |
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"; |
$children{$pid} = $clientip; |
$children{$pid} = $clientip; |
$children++; |
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&status('Started child '.$pid); |
&status('Started child '.$pid); |
return; |
return; |
} else { |
} else { |
Line 1282 sub make_new_child {
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Line 1494 sub make_new_child {
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# ============================================================================= |
# ============================================================================= |
# do something with the connection |
# do something with the connection |
# ----------------------------------------------------------------------------- |
# ----------------------------------------------------------------------------- |
# see if we know client and check for spoof IP by challenge |
# see if we know client and 'check' for spoof IP by ineffective challenge |
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ReadManagerTable; # May also be a manager!! |
ReadManagerTable; # May also be a manager!! |
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Line 1300 sub make_new_child {
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Line 1512 sub make_new_child {
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$clientname = $managers{$clientip}; |
$clientname = $managers{$clientip}; |
} |
} |
my $clientok; |
my $clientok; |
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if ($clientrec || $ismanager) { |
if ($clientrec || $ismanager) { |
&status("Waiting for init from $clientip $clientname"); |
&status("Waiting for init from $clientip $clientname"); |
&logthis('<font color="yellow">INFO: Connection, '. |
&logthis('<font color="yellow">INFO: Connection, '. |
Line 1307 sub make_new_child {
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Line 1520 sub make_new_child {
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" ($clientname) connection type = $ConnectionType </font>" ); |
" ($clientname) connection type = $ConnectionType </font>" ); |
&status("Connecting $clientip ($clientname))"); |
&status("Connecting $clientip ($clientname))"); |
my $remotereq=<$client>; |
my $remotereq=<$client>; |
$remotereq=~s/[^\w:]//g; |
chomp($remotereq); |
|
Debug("Got init: $remotereq"); |
|
my $inikeyword = split(/:/, $remotereq); |
if ($remotereq =~ /^init/) { |
if ($remotereq =~ /^init/) { |
&sethost("sethost:$perlvar{'lonHostID'}"); |
&sethost("sethost:$perlvar{'lonHostID'}"); |
my $challenge="$$".time; |
# |
print $client "$challenge\n"; |
# If the remote is attempting a local init... give that a try: |
&status( |
# |
"Waiting for challenge reply from $clientip ($clientname)"); |
my ($i, $inittype) = split(/:/, $remotereq); |
$remotereq=<$client>; |
|
$remotereq=~s/\W//g; |
# If the connection type is ssl, but I didn't get my |
if ($challenge eq $remotereq) { |
# certificate files yet, then I'll drop back to |
$clientok=1; |
# insecure (if allowed). |
print $client "ok\n"; |
|
|
if($inittype eq "ssl") { |
|
my ($ca, $cert) = lonssl::CertificateFile; |
|
my $kfile = lonssl::KeyFile; |
|
if((!$ca) || |
|
(!$cert) || |
|
(!$kfile)) { |
|
$inittype = ""; # This forces insecure attempt. |
|
&logthis("<font color=\"blue\"> Certificates not " |
|
."installed -- trying insecure auth</font>"); |
|
} |
|
else { # SSL certificates are in place so |
|
} # Leave the inittype alone. |
|
} |
|
|
|
if($inittype eq "local") { |
|
my $key = LocalConnection($client, $remotereq); |
|
if($key) { |
|
Debug("Got local key $key"); |
|
$clientok = 1; |
|
my $cipherkey = pack("H32", $key); |
|
$cipher = new IDEA($cipherkey); |
|
print $client "ok:local\n"; |
|
&logthis('<font color="green"' |
|
. "Successful local authentication </font>"); |
|
$keymode = "local" |
|
} else { |
|
Debug("Failed to get local key"); |
|
$clientok = 0; |
|
shutdown($client, 3); |
|
close $client; |
|
} |
|
} elsif ($inittype eq "ssl") { |
|
my $key = SSLConnection($client); |
|
if ($key) { |
|
$clientok = 1; |
|
my $cipherkey = pack("H32", $key); |
|
$cipher = new IDEA($cipherkey); |
|
&logthis('<font color="green">' |
|
."Successfull ssl authentication with $clientname </font>"); |
|
$keymode = "ssl"; |
|
|
|
} else { |
|
$clientok = 0; |
|
close $client; |
|
} |
|
|
} else { |
} else { |
&logthis( |
my $ok = InsecureConnection($client); |
"<font color=blue>WARNING: $clientip did not reply challenge</font>"); |
if($ok) { |
&status('No challenge reply '.$clientip); |
$clientok = 1; |
|
&logthis('<font color="green">' |
|
."Successful insecure authentication with $clientname </font>"); |
|
print $client "ok\n"; |
|
$keymode = "insecure"; |
|
} else { |
|
&logthis('<font color="yellow">' |
|
."Attempted insecure connection disallowed </font>"); |
|
close $client; |
|
$clientok = 0; |
|
|
|
} |
} |
} |
} else { |
} else { |
&logthis( |
&logthis( |
"<font color=blue>WARNING: " |
"<font color='blue'>WARNING: " |
."$clientip failed to initialize: >$remotereq< </font>"); |
."$clientip failed to initialize: >$remotereq< </font>"); |
&status('No init '.$clientip); |
&status('No init '.$clientip); |
} |
} |
|
|
} else { |
} else { |
&logthis( |
&logthis( |
"<font color=blue>WARNING: Unknown client $clientip</font>"); |
"<font color='blue'>WARNING: Unknown client $clientip</font>"); |
&status('Hung up on '.$clientip); |
&status('Hung up on '.$clientip); |
} |
} |
|
|
if ($clientok) { |
if ($clientok) { |
# ---------------- New known client connecting, could mean machine online again |
# ---------------- New known client connecting, could mean machine online again |
|
|
Line 1346 sub make_new_child {
|
Line 1620 sub make_new_child {
|
} |
} |
&reconlonc("$perlvar{'lonSockDir'}/$id"); |
&reconlonc("$perlvar{'lonSockDir'}/$id"); |
} |
} |
&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>) { |
while (my $userinput=<$client>) { |
Line 1543 sub make_new_child {
|
Line 1817 sub make_new_child {
|
$pwdcorrect=0; |
$pwdcorrect=0; |
# log error if it is not a bad password |
# log error if it is not a bad password |
if ($krb4_error != 62) { |
if ($krb4_error != 62) { |
&logthis('krb4:'.$uname.','.$contentpwd.','. |
&logthis('krb4:'.$uname.','. |
&Authen::Krb4::get_err_txt($Authen::Krb4::error)); |
&Authen::Krb4::get_err_txt($Authen::Krb4::error)); |
} |
} |
} |
} |
Line 1693 sub make_new_child {
|
Line 1967 sub make_new_child {
|
unless (mkdir($fpnow,0777)) { |
unless (mkdir($fpnow,0777)) { |
$fperror="error: ".($!+0) |
$fperror="error: ".($!+0) |
." mkdir failed while attempting " |
." mkdir failed while attempting " |
."makeuser\n"; |
."makeuser"; |
} |
} |
} |
} |
} |
} |
Line 1809 sub make_new_child {
|
Line 2083 sub make_new_child {
|
} elsif ($userinput =~ /^fetchuserfile/) { # Client clear or enc. |
} elsif ($userinput =~ /^fetchuserfile/) { # Client clear or enc. |
if(isClient) { |
if(isClient) { |
my ($cmd,$fname)=split(/:/,$userinput); |
my ($cmd,$fname)=split(/:/,$userinput); |
my ($udom,$uname,$ufile)=split(/\//,$fname); |
my ($udom,$uname,$ufile) = ($fname =~ m|^([^/]+)/([^/]+)/(.+)$|); |
my $udir=propath($udom,$uname).'/userfiles'; |
my $udir=propath($udom,$uname).'/userfiles'; |
unless (-e $udir) { mkdir($udir,0770); } |
unless (-e $udir) { mkdir($udir,0770); } |
if (-e $udir) { |
if (-e $udir) { |
$ufile=~s/^[\.\~]+//; |
$ufile=~s/^[\.\~]+//; |
$ufile=~s/\///g; |
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 $destname=$udir.'/'.$ufile; |
my $transname=$udir.'/'.$ufile.'.in.transit'; |
my $transname=$udir.'/'.$ufile.'.in.transit'; |
my $remoteurl='http://'.$clientip.'/userfiles/'.$fname; |
my $remoteurl='http://'.$clientip.'/userfiles/'.$fname; |
Line 1843 sub make_new_child {
|
Line 2126 sub make_new_child {
|
} |
} |
} else { |
} else { |
Reply($client, "refused\n", $userinput); |
Reply($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", $userinput); |
} |
} |
# ------------------------------------------ authenticate access to a user file |
# ------------------------------------------ authenticate access to a user file |
} elsif ($userinput =~ /^tokenauthuserfile/) { # Client only |
} elsif ($userinput =~ /^tokenauthuserfile/) { # Client only |
Line 1854 sub make_new_child {
|
Line 2167 sub make_new_child {
|
if (open(ENVIN,$perlvar{'lonIDsDir'}.'/'. |
if (open(ENVIN,$perlvar{'lonIDsDir'}.'/'. |
$session.'.id')) { |
$session.'.id')) { |
while (my $line=<ENVIN>) { |
while (my $line=<ENVIN>) { |
if ($line=~/userfile\.$fname\=/) { $reply='ok'; } |
if ($line=~ m|userfile\.\Q$fname\E\=|) { $reply='ok'; } |
} |
} |
close(ENVIN); |
close(ENVIN); |
print $client $reply."\n"; |
print $client $reply."\n"; |
Line 1870 sub make_new_child {
|
Line 2183 sub make_new_child {
|
if(isClient) { |
if(isClient) { |
my ($cmd,$fname)=split(/:/,$userinput); |
my ($cmd,$fname)=split(/:/,$userinput); |
if (-e $fname) { |
if (-e $fname) { |
print $client &unsub($client,$fname,$clientip); |
print $client &unsub($fname,$clientip); |
} else { |
} else { |
print $client "not_found\n"; |
print $client "not_found\n"; |
} |
} |
Line 1997 sub make_new_child {
|
Line 2310 sub make_new_child {
|
} else { |
} else { |
print $client "error: ".($!+0) |
print $client "error: ".($!+0) |
." untie(GDBM) failed ". |
." untie(GDBM) failed ". |
"while attempting put\n"; |
"while attempting inc\n"; |
} |
} |
} else { |
} else { |
print $client "error: ".($!) |
print $client "error: ".($!) |
." tie(GDBM) Failed ". |
." tie(GDBM) Failed ". |
"while attempting put\n"; |
"while attempting inc\n"; |
} |
} |
} else { |
} else { |
print $client "refused\n"; |
print $client "refused\n"; |
Line 2328 sub make_new_child {
|
Line 2641 sub make_new_child {
|
my $proname=propath($udom,$uname); |
my $proname=propath($udom,$uname); |
my %hash; |
my %hash; |
if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_READER(),0640)) { |
if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_READER(),0640)) { |
study($regexp); |
|
while (my ($key,$value) = each(%hash)) { |
while (my ($key,$value) = each(%hash)) { |
if ($regexp eq '.') { |
if ($regexp eq '.') { |
$qresult.=$key.'='.$value.'&'; |
$qresult.=$key.'='.$value.'&'; |
Line 2476 sub make_new_child {
|
Line 2788 sub make_new_child {
|
} |
} |
# ------------------------------------------------------------------- querysend |
# ------------------------------------------------------------------- querysend |
} elsif ($userinput =~ /^querysend/) { |
} elsif ($userinput =~ /^querysend/) { |
if(isClient) { |
if (isClient) { |
my ($cmd,$query, |
my ($cmd,$query, |
$arg1,$arg2,$arg3)=split(/\:/,$userinput); |
$arg1,$arg2,$arg3)=split(/\:/,$userinput); |
$query=~s/\n*$//g; |
$query=~s/\n*$//g; |
Line 2566 sub make_new_child {
|
Line 2878 sub make_new_child {
|
$qresult.=$key.'='.$descr.'&'; |
$qresult.=$key.'='.$descr.'&'; |
} else { |
} else { |
my $unescapeVal = &unescape($descr); |
my $unescapeVal = &unescape($descr); |
if (eval('$unescapeVal=~/$description/i')) { |
if (eval('$unescapeVal=~/\Q$description\E/i')) { |
$qresult.="$key=$descr&"; |
$qresult.="$key=$descr&"; |
} |
} |
} |
} |
Line 2724 sub make_new_child {
|
Line 3036 sub make_new_child {
|
# -------------------------------------------------------------------------- ls |
# -------------------------------------------------------------------------- ls |
} elsif ($userinput =~ /^ls/) { |
} elsif ($userinput =~ /^ls/) { |
if(isClient) { |
if(isClient) { |
|
my $obs; |
|
my $rights; |
my ($cmd,$ulsdir)=split(/:/,$userinput); |
my ($cmd,$ulsdir)=split(/:/,$userinput); |
my $ulsout=''; |
my $ulsout=''; |
my $ulsfn; |
my $ulsfn; |
Line 2731 sub make_new_child {
|
Line 3045 sub make_new_child {
|
if(-d $ulsdir) { |
if(-d $ulsdir) { |
if (opendir(LSDIR,$ulsdir)) { |
if (opendir(LSDIR,$ulsdir)) { |
while ($ulsfn=readdir(LSDIR)) { |
while ($ulsfn=readdir(LSDIR)) { |
|
undef $obs, $rights; |
my @ulsstats=stat($ulsdir.'/'.$ulsfn); |
my @ulsstats=stat($ulsdir.'/'.$ulsfn); |
$ulsout.=$ulsfn.'&'. |
#We do some obsolete checking here |
join('&',@ulsstats).':'; |
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); |
closedir(LSDIR); |
} |
} |
Line 2792 sub make_new_child {
|
Line 3119 sub make_new_child {
|
} else { |
} else { |
print $client "refused\n"; |
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 $client "refused\n"; |
|
} |
# ------------------------------------------------------------- unknown command |
# ------------------------------------------------------------- unknown command |
|
|
} else { |
} else { |
Line 2800 sub make_new_child {
|
Line 3200 sub make_new_child {
|
} |
} |
# -------------------------------------------------------------------- complete |
# -------------------------------------------------------------------- complete |
alarm(0); |
alarm(0); |
&status('Listening to '.$clientname); |
&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>"); |
} |
} |
} |
} |
|
|
# ============================================================================= |
# ============================================================================= |
|
|
&logthis("<font color=red>CRITICAL: " |
&logthis("<font color='red'>CRITICAL: " |
."Disconnect from $clientip ($clientname)</font>"); |
."Disconnect from $clientip ($clientname)</font>"); |
|
|
|
|
Line 2838 sub make_new_child {
|
Line 3238 sub make_new_child {
|
# |
# |
sub ManagePermissions |
sub ManagePermissions |
{ |
{ |
my $request = shift; |
|
my $domain = shift; |
my ($request, $domain, $user, $authtype) = @_; |
my $user = shift; |
|
my $authtype= shift; |
|
|
|
# See if the request is of the form /$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... |
Line 2858 sub ManagePermissions
|
Line 3256 sub ManagePermissions
|
# |
# |
sub GetAuthType |
sub GetAuthType |
{ |
{ |
my $domain = shift; |
|
my $user = shift; |
my ($domain, $user) = @_; |
|
|
Debug("GetAuthType( $domain, $user ) \n"); |
Debug("GetAuthType( $domain, $user ) \n"); |
my $proname = &propath($domain, $user); |
my $proname = &propath($domain, $user); |
Line 2968 sub chatadd {
|
Line 3366 sub chatadd {
|
sub unsub { |
sub unsub { |
my ($fname,$clientip)=@_; |
my ($fname,$clientip)=@_; |
my $result; |
my $result; |
|
my $unsubs = 0; # Number of successful unsubscribes: |
|
|
|
|
|
# An old way subscriptions were handled was to have a |
|
# subscription marker file: |
|
|
|
Debug("Attempting unlink of $fname.$clientname"); |
if (unlink("$fname.$clientname")) { |
if (unlink("$fname.$clientname")) { |
$result="ok\n"; |
$unsubs++; # Successful unsub via marker file. |
} else { |
} |
$result="not_subscribed\n"; |
|
} |
# The more modern way to do it is to have a subscription list |
|
# file: |
|
|
if (-e "$fname.subscription") { |
if (-e "$fname.subscription") { |
my $found=&addline($fname,$clientname,$clientip,''); |
my $found=&addline($fname,$clientname,$clientip,''); |
if ($found) { $result="ok\n"; } |
if ($found) { |
|
$unsubs++; |
|
} |
|
} |
|
|
|
# If either or both of these mechanisms succeeded in unsubscribing a |
|
# resource we can return ok: |
|
|
|
if($unsubs) { |
|
$result = "ok\n"; |
} else { |
} else { |
if ($result != "ok\n") { $result="not_subscribed\n"; } |
$result = "not_subscribed\n"; |
} |
} |
|
|
return $result; |
return $result; |
} |
} |
|
|
Line 3100 sub make_passwd_file {
|
Line 3517 sub make_passwd_file {
|
} |
} |
} elsif ($umode eq 'unix') { |
} elsif ($umode eq 'unix') { |
{ |
{ |
|
# |
|
# Don't allow the creation of privileged accounts!!! that would |
|
# be real bad!!! |
|
# |
|
my $uid = getpwnam($uname); |
|
if((defined $uid) && ($uid == 0)) { |
|
&logthis(">>>Attempted to create privilged account blocked"); |
|
return "no_priv_account_error\n"; |
|
} |
|
|
my $execpath="$perlvar{'lonDaemons'}/"."lcuseradd"; |
my $execpath="$perlvar{'lonDaemons'}/"."lcuseradd"; |
{ |
{ |
&Debug("Executing external: ".$execpath); |
&Debug("Executing external: ".$execpath); |
Line 3132 sub sethost {
|
Line 3559 sub sethost {
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my (undef,$hostid)=split(/:/,$remotereq); |
my (undef,$hostid)=split(/:/,$remotereq); |
if (!defined($hostid)) { $hostid=$perlvar{'lonHostID'}; } |
if (!defined($hostid)) { $hostid=$perlvar{'lonHostID'}; } |
if ($hostip{$perlvar{'lonHostID'}} eq $hostip{$hostid}) { |
if ($hostip{$perlvar{'lonHostID'}} eq $hostip{$hostid}) { |
$currenthostid=$hostid; |
$currenthostid =$hostid; |
$currentdomainid=$hostdom{$hostid}; |
$currentdomainid=$hostdom{$hostid}; |
&logthis("Setting hostid to $hostid, and domain to $currentdomainid"); |
&logthis("Setting hostid to $hostid, and domain to $currentdomainid"); |
} else { |
} else { |
Line 3172 sub userload {
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Line 3599 sub userload {
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return $userloadpercent; |
return $userloadpercent; |
} |
} |
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# ----------------------------------- POD (plain old documentation, CPAN style) |
# ----------------------------------- POD (plain old documentation, CPAN style) |
|
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=head1 NAME |
=head1 NAME |