217 lines
6.6 KiB
Plaintext
217 lines
6.6 KiB
Plaintext
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#!/usr/bin/perl
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#^^^^^^^^^^^^^^^^^^^^ Update pathname appropriately to where you have Perl installed
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# And update the path below of the configuration file as appropriate.
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$lpinfo_ph = "/usr/local/lprng/info/lpinfo.ph";
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#-------------- Should be fairly boilerplate from here on out --------------
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# lpinfo_lprm - a Perl script to allow httpd to lprm selected jobs
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# Copyright 1997, 1998, 1999, 2000 by Alek Komarnitsky,
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# Use and distribution of this software is covered by the GNU GPL license.
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# Please see the LICENSE file and http://www.gnu.org/
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# Note: this will only work if the print server is running LPRng ...
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$debug = 0;
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require 5.002;
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use Socket;
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&ReadParse;
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print "Content-type: text/html\n\n\n" ;
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print $meta_tags if ( defined($meta_tags));
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#Grab stuff from lpinfo.ph ...
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if ( -r "$lpinfo_ph" ) {
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require "$lpinfo_ph";
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} else {
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print "could not open $lpinfo_ph - serious error ... \n";
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exit(2);
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}
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$| = 1;
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$printer = $in{'printer'};
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$jobnumber = $in{'jobnumber'};
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if ( defined($in{'printserver'})) {
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$printserver = $in{'printserver'};
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} else {
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$printserver = "unix";
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}
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$queue_is_nt = $in{'queue_is_nt'} if ( defined($in{'queue_is_nt'})) ;
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$adminmode = 0;
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$_ = get_env_variable("^SCRIPT_NAME");
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if ( $_ eq $lprmURLadmin ) {
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$_ = get_env_variable("^REMOTE_USER");
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$adminmode = $_;
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}
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print "adminmode is $adminmode <br> " if ($debug);
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$browserhost="localhost";
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$_ = get_env_variable("^REMOTE_ADDR");
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print "We got $_ as the REMOTE ADDR <br> " if ($debug);
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if ( $queue_is_nt) {
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$browserhost = $_;
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} else {
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if ( $_ ne "" ) {
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s/^.*=//s;
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@iplist = split(/\./,$_);
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$ip = pack('C4',@iplist);
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$browserhost = gethostbyaddr($ip,AF_INET);
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}
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}
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$browserhost = get_env_variable("^REMOTE_ADDR") if ( $browserhost eq "");
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print "We got $browserhost as the browserhost <br> " if ($debug);
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if ( (! defined($in{'printer'}) ) || (! defined($in{'jobnumber'}) )) {
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close_er_out ("Did not get everything in that we needed ... <br> printer was $printer and $jobnumber was $jobnumber and browserhost was $browserhost and adminmode was $adminmode");
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exit();
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}
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print "<br><br> printer is $printer and jobnumber is $jobnumber and browserhost is $browserhost and printserver is $printserver and queue_is_nt is $queue_is_nt end <br>" if ( $debug );
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$findjob = &find_job;
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if ( $findjob =~ "FAILED" ) {
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&close_er_out("$findjob");
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}
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print "<br>sending $lprm_suid $adminmode $browserhost $printer $printserver $jobnumber\n" if ($debug);
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$lprmout = `$lprm_suid $adminmode $browserhost $printer $printserver $jobnumber`;
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print "<br><br>from lprm_suid, we got $lprmout <br> " if ($debug);
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if ( $lprmout eq "" ) {
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&close_er_out("FAILED: lprm returned nothing, which typically means it failed");
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} else {
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#Lets see if it really got removed ...
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if ($lprmout =~ /Queue Purged/ ) {
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$findjob = "Could not find any job";
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} else {
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$findjob = &find_job;
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}
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print "<br>second findjob shows $findjob <br>" if ($debug);
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if ("$findjob" =~ "Could not find any job" ) {
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close_er_out("SUCCESS: Print job $jobnumber \@ $jobhost on $printer removed");
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} else {
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close_er_out("FAILED: lprm of job $jobnumber \@ jobhost on $printer failed from $browserhost");
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}
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}
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print "at the end</html>";
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exit();
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sub find_job {
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local(@lpqout,@jobs,$foundrank,$foundjob);
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if ( defined($in{'queue_is_nt'})) {
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$command = "$lpq_nt $printer $printserver" ;
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} else {
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$command = "$lpq -P$printer $jobnumber";
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}
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print "executing $command <br> " if ($debug);
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@lpqout = `$command`;
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# Parse output and stuff everything below "Rank Owner/ID" into @jobs
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foreach $_ (@lpqout) {
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next if ($_ =~ /^\s*$/);
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if ($foundrank ) {
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push (@jobs,$_);
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}
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$foundrank = 1 if ( $_ =~ "Rank Owner/ID") ;
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if ($queue_is_nt) {
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$foundrank = 1 if ( $_ =~ /--------------------/) ;
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}
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}
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# Make sure that we can find the job ... in case user goofs we can tell them that ...
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foreach $_ (@jobs) {
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($rank,$owner,$class,$job,$misc) = split();
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print "<br>rank is $rank owner is $owner class is $class job is $job misc is $misc\n" if ($debug);
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$foundjob = 1 if (($queue_is_nt) && ( $jobnumber eq "all"));
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if ( $job eq $jobnumber ) {
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$foundjob = 1;
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last;
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}
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}
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if ( ($jobnumber eq "all") && ( $foundrank) ) {
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return("SUCCESS: all found some jobs");
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}
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if (! $foundjob ) {
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return ("FAILED: Could not find any job $jobnumber in $printer");
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}
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# Lets see if it truly comes from your machine ...
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$_ = $owner;
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s/^.*@(.*)\+.*$/$1/s;
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tr/A-Z/a-z/;
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$jobhost = $_;
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print "jobhost is $jobhost \n" if ( $debug );
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if (($jobhost ne $browserhost ) && ( ! ($adminmode) ) ){
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close_er_out("FAILED: Print job $jobnumber on $printer came from $jobhost, not your machine $browserhost");
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}
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return ("at the end of findjob");
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}
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sub close_er_out {
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print "<br><br> @_ ";
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if ( $adminmode ) {
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print "<form method=\"post\" action=\"$thisURLadmin?printer=$printer\" target=bottom>";
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} else {
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print "<form method=\"post\" action=\"$thisURL?printer=$printer\" target=bottom>";
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}
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print "<input type=\"hidden\" name=\"printer\" value=\"$printer\">";
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print "<input type=\"hidden\" name=\"auto\" value=\"0\">";
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print "<br><br><center><input type=\"submit\" value=\"Go back to queue status\">";
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print "</form></html>";
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exit();
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}
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# HTML parsing ...
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sub ReadParse {
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if (@_) { local (*in) = @_; }
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local ($i, $loc, $key, $val);
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# Read in text
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if ($ENV{'REQUEST_METHOD'} eq "GET") {
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$in = $ENV{'QUERY_STRING'};
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} elsif ($ENV{'REQUEST_METHOD'} eq "POST") {
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for ($i = 0; $i < $ENV{'CONTENT_LENGTH'}; $i++) {
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$in .= getc; }
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}
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@in = split(/&/,$in);
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foreach $i (0 .. $#in) {
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# Convert plus's to spaces
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$_ = $in[$i];
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$in[$i] = &sanitize($_);
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$in[$i] =~ s/\+/ /g;
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# Convert %XX from hex numbers to alphanumeric
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$in[$i] =~ s/%(..)/pack("c",hex($1))/ge;
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# Split into key and value.
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$loc = index($in[$i],"=");
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$key = substr($in[$i],0,$loc);
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$val = substr($in[$i],$loc+1);
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$in{$key} .= '\0' if (defined($in{$key})); # \0 is the multiple separator
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$in{$key} .= $val;
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}
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}
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# Added per CERT advistory - send Alek EMail if you want changes here ...
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sub sanitize {
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local ($OK_CHARS);
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$OK_CHARS='-a-zA-Z0-9_.@=?+/ \s';
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s/[^$OK_CHARS]/_/go;
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return $_;
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}
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sub get_env_variable{
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$env_variable = @_[0];
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@env = `env`;
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@array=();
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push(@array,grep(/$env_variable/,@env));
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chomp($_ = $array[0]);
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$_ = &sanitize($_);
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s/^.*=//s;
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return $_;
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}
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