1 #============================================================= -*-perl-*-
3 # BackupPC::CGI::Lib package
7 # This library defines a BackupPC::Lib class and a variety of utility
8 # functions used by BackupPC.
11 # Craig Barratt <cbarratt@users.sourceforge.net>
14 # Copyright (C) 2003 Craig Barratt
16 # This program is free software; you can redistribute it and/or modify
17 # it under the terms of the GNU General Public License as published by
18 # the Free Software Foundation; either version 2 of the License, or
19 # (at your option) any later version.
21 # This program is distributed in the hope that it will be useful,
22 # but WITHOUT ANY WARRANTY; without even the implied warranty of
23 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24 # GNU General Public License for more details.
26 # You should have received a copy of the GNU General Public License
27 # along with this program; if not, write to the Free Software
28 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
30 #========================================================================
32 # Version 2.1.0, released 20 Jun 2004.
34 # See http://backuppc.sourceforge.net.
36 #========================================================================
38 package BackupPC::CGI::Lib;
45 use vars qw( @ISA @EXPORT @EXPORT_OK %EXPORT_TAGS );
47 use vars qw($Cgi %In $MyURL $User %Conf $TopDir $BinDir $bpc);
48 use vars qw(%Status %Info %Jobs @BgQueue @UserQueue @CmdQueue
49 %QueueLen %StatusHost);
50 use vars qw($Hosts $HostsMTime $ConfigMTime $PrivAdmin);
51 use vars qw(%UserEmailInfo $UserEmailInfoMTime %RestoreReq %ArchiveReq);
79 $Cgi %In $MyURL $User %Conf $TopDir $BinDir $bpc
80 %Status %Info %Jobs @BgQueue @UserQueue @CmdQueue
82 $Hosts $HostsMTime $ConfigMTime $PrivAdmin
83 %UserEmailInfo $UserEmailInfoMTime %RestoreReq %ArchiveReq
88 'all' => [ @EXPORT_OK ],
96 if ( !defined($bpc) ) {
97 ErrorExit($Lang->{BackupPC__Lib__new_failed__check_apache_error_log})
98 if ( !($bpc = BackupPC::Lib->new(undef, undef, 1)) );
99 $TopDir = $bpc->TopDir();
100 $BinDir = $bpc->BinDir();
101 %Conf = $bpc->Conf();
102 $Lang = $bpc->Lang();
103 $ConfigMTime = $bpc->ConfigMTime();
104 } elsif ( $bpc->ConfigMTime() != $ConfigMTime ) {
106 %Conf = $bpc->Conf();
107 $Lang = $bpc->Lang();
108 $ConfigMTime = $bpc->ConfigMTime();
112 # Default REMOTE_USER so in a miminal installation the user
113 # has a sensible default.
115 $ENV{REMOTE_USER} = $Conf{BackupPCUser} if ( $ENV{REMOTE_USER} eq "" );
118 # We require that Apache pass in $ENV{SCRIPT_NAME} and $ENV{REMOTE_USER}.
119 # The latter requires .ht_access style authentication. Replace this
120 # code if you are using some other type of authentication, and have
121 # a different way of getting the user name.
123 $MyURL = $ENV{SCRIPT_NAME};
124 $User = $ENV{REMOTE_USER};
126 # Handle LDAP uid=user when using mod_authz_ldap
128 $User = $1 if ( $User =~ /uid=([^,]+)/i );
131 # Clean up %ENV for taint checking
133 delete @ENV{qw(IFS CDPATH ENV BASH_ENV)};
134 $ENV{PATH} = $Conf{MyPath};
137 # Verify we are running as the correct user
139 if ( $Conf{BackupPCUserVerify}
140 && $> != (my $uid = (getpwnam($Conf{BackupPCUser}))[2]) ) {
141 ErrorExit(eval("qq{$Lang->{Wrong_user__my_userid_is___}}"), <<EOF);
142 This script needs to run as the user specified in \$Conf{BackupPCUser},
143 which is set to $Conf{BackupPCUser}.
145 This is an installation problem. If you are using mod_perl then
146 it appears that Apache is not running as user $Conf{BackupPCUser}.
147 If you are not using mod_perl, then most like setuid is not working
148 properly on BackupPC_Admin. Check the permissions on
149 $Conf{CgiDir}/BackupPC_Admin and look at the documentation.
153 if ( !defined($Hosts) || $bpc->HostsMTime() != $HostsMTime ) {
154 $HostsMTime = $bpc->HostsMTime();
155 $Hosts = $bpc->HostInfoRead();
157 # turn moreUsers list into a hash for quick lookups
158 foreach my $host (keys %$Hosts) {
159 $Hosts->{$host}{moreUsers} =
160 {map {$_, 1} split(",", $Hosts->{$host}{moreUsers}) }
165 # Untaint the host name
167 if ( $In{host} =~ /^([\w.\s-]+)$/ ) {
176 my($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst)
177 = localtime($_[0] == 0 ? time : $_[0] );
179 if ( $Conf{CgiDateFormatMMDD} ) {
180 return sprintf("$mon/$mday %02d:%02d", $hour, $min);
182 return sprintf("$mday/$mon %02d:%02d", $hour, $min);
190 if ( defined($Hosts->{$host}) || defined($Status{$host}) ) {
191 $s = "<a href=\"$MyURL?host=${EscURI($host)}\">$host</a>";
203 return \$user if ( $user eq ""
204 || $Conf{CgiUserUrlCreate} eq "" );
205 if ( $Conf{CgiUserHomePageCheck} eq ""
206 || -f sprintf($Conf{CgiUserHomePageCheck}, $user, $user, $user) ) {
208 . sprintf($Conf{CgiUserUrlCreate}, $user, $user, $user)
223 $s =~ s{([^[:print:]])}{sprintf("&\#x%02X;", ord($1));}eg;
230 $s =~ s{([^\w.\/-])}{sprintf("%%%02X", ord($1));}eg;
237 my($head) = shift(@mesg);
238 my($mesg) = join("</p>\n<p>", @mesg);
240 if ( !defined($ENV{REMOTE_USER}) ) {
243 Note: \$ENV{REMOTE_USER} is not set, which could mean there is an
244 installation problem. BackupPC_Admin expects Apache to authenticate
245 the user and pass their user name into this script as the REMOTE_USER
246 environment variable. See the documentation.
250 $bpc->ServerMesg("log User $User (host=$In{host}) got CGI error: $head")
251 if ( defined($bpc) );
252 if ( !defined($Lang->{Error}) ) {
253 $mesg = <<EOF if ( !defined($mesg) );
254 There is some problem with the BackupPC installation.
255 Please check the permissions on BackupPC_Admin.
258 ${h1("Error: Unable to read config.pl or language strings!!")}
261 Header("BackupPC: Error", $content);
264 my $content = eval("qq{$Lang->{Error____head}}");
265 Header(eval("qq{$Lang->{Error}}"), $content);
274 # Verify that the server connection is ok
276 return if ( $bpc->ServerOK() );
277 $bpc->ServerDisconnect();
278 if ( my $err = $bpc->ServerConnect($Conf{ServerHost}, $Conf{ServerPort}) ) {
279 if ( CheckPermission()
280 && -f $Conf{ServerInitdPath}
281 && $Conf{ServerInitdStartCmd} ne "" ) {
282 my $content = eval("qq{$Lang->{Admin_Start_Server}}");
283 Header(eval("qq{$Lang->{Unable_to_connect_to_BackupPC_server}}"), $content);
287 ErrorExit(eval("qq{$Lang->{Unable_to_connect_to_BackupPC_server}}"));
296 %Status = () if ( $status =~ /\bhosts\b/ );
297 %StatusHost = () if ( $status =~ /\bhost\(/ );
298 my $reply = $bpc->ServerMesg("status $status");
299 $reply = $1 if ( $reply =~ /(.*)/s );
301 # ignore status related to admin and trashClean jobs
302 if ( $status =~ /\bhosts\b/ ) {
303 foreach my $host ( grep(/admin/, keys(%Status)) ) {
304 delete($Status{$host}) if ( $bpc->isAdminJob($host) );
306 delete($Status{$bpc->trashJob});
310 sub ReadUserEmailInfo
312 if ( (stat("$TopDir/log/UserEmailInfo.pl"))[9] != $UserEmailInfoMTime ) {
313 do "$TopDir/log/UserEmailInfo.pl";
314 $UserEmailInfoMTime = (stat("$TopDir/log/UserEmailInfo.pl"))[9];
319 # Check if the user is privileged. A privileged user can access
320 # any information (backup files, logs, status pages etc).
322 # A user is privileged if they belong to the group
323 # $Conf{CgiAdminUserGroup}, or they are in $Conf{CgiAdminUsers}
324 # or they are the user assigned to a host in the host file.
331 return 0 if ( $User eq "" && $Conf{CgiAdminUsers} ne "*"
332 || $host ne "" && !defined($Hosts->{$host}) );
333 if ( $Conf{CgiAdminUserGroup} ne "" ) {
334 my($n,$p,$gid,$mem) = getgrnam($Conf{CgiAdminUserGroup});
335 $Privileged ||= ($mem =~ /\b$User\b/);
337 if ( $Conf{CgiAdminUsers} ne "" ) {
338 $Privileged ||= ($Conf{CgiAdminUsers} =~ /\b$User\b/);
339 $Privileged ||= $Conf{CgiAdminUsers} eq "*";
341 $PrivAdmin = $Privileged;
342 return $Privileged if ( !defined($host) );
344 $Privileged ||= $User eq $Hosts->{$host}{user};
345 $Privileged ||= defined($Hosts->{$host}{moreUsers}{$User});
350 # Returns the list of hosts that should appear in the navigation bar
351 # for this user. If $getAll is set, the admin gets all the hosts.
352 # Otherwise, regular users get hosts for which they are the user or
353 # are listed in the moreUsers column in the hosts file.
360 if ( $getAll && CheckPermission() ) {
361 @hosts = sort keys %$Hosts;
363 @hosts = sort grep { $Hosts->{$_}{user} eq $User ||
364 defined($Hosts->{$_}{moreUsers}{$User}) } keys(%$Hosts);
370 # Given a host name tries to find the IP address. For non-dhcp hosts
371 # we just return the host name. For dhcp hosts we check the address
372 # the user is using ($ENV{REMOTE_ADDR}) and also the last-known IP
373 # address for $host. (Later we should replace this with a broadcast
381 if ( defined($Hosts->{$host}) && $Hosts->{$host}{dhcp}
382 && $ENV{REMOTE_ADDR} =~ /^(\d+[\.\d]*)$/ ) {
384 my($netBiosHost, $netBiosUser) = $bpc->NetBiosInfoGet($ipAddr);
385 if ( $netBiosHost ne $host ) {
387 GetStatusInfo("host(${EscURI($host)})");
388 if ( defined($StatusHost{dhcpHostIP})
389 && $StatusHost{dhcpHostIP} ne $ipAddr ) {
390 $tryIP = eval("qq{$Lang->{tryIP}}");
391 ($netBiosHost, $netBiosUser)
392 = $bpc->NetBiosInfoGet($StatusHost{dhcpHostIP});
394 if ( $netBiosHost ne $host ) {
395 ErrorExit(eval("qq{$Lang->{Can_t_find_IP_address_for}}"),
396 eval("qq{$Lang->{host_is_a_DHCP_host}}"));
398 $ipAddr = $StatusHost{dhcpHostIP};
404 ###########################################################################
405 # HTML layout subroutines
406 ###########################################################################
410 my($title, $content, $noBrowse, $contentSub, $contentPost) = @_;
412 { link => "", name => $Lang->{Status}},
413 { link => "?action=adminOpts", name => $Lang->{Admin_Options},
415 { link => "?action=editConfig", name => "Edit Config",
417 { link => "?action=editHosts", name => "Edit Hosts",
419 { link => "?action=summary", name => $Lang->{PC_Summary}},
420 { link => "?action=view&type=LOG", name => $Lang->{LOG_file},
422 { link => "?action=LOGlist", name => $Lang->{Old_LOGs},
424 { link => "?action=emailSummary", name => $Lang->{Email_summary},
426 { link => "?action=view&type=config", name => $Lang->{Config_file},
428 { link => "?action=view&type=hosts", name => $Lang->{Hosts_file},
430 { link => "?action=queue", name => $Lang->{Current_queues},
432 @{$Conf{CgiNavBarLinks} || []},
434 my $host = $In{host};
436 print $Cgi->header();
438 <!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN">
440 <title>$title</title>
441 <link rel=stylesheet type="text/css" href="$Conf{CgiImageDirURL}/$Conf{CgiCSSFile}" title="CSSFile">
443 </head><body onLoad="document.getElementById('NavMenu').style.height=document.body.scrollHeight">
444 <a href="http://backuppc.sourceforge.net"><img src="$Conf{CgiImageDirURL}/logo.gif" hspace="5" vspace="7" border="0"></a><br>
447 if ( defined($Hosts) && defined($host) && defined($Hosts->{$host}) ) {
448 print "<div class=\"NavMenu\">";
449 NavSectionTitle("${EscHTML($host)}");
452 <div class="NavMenu">
454 NavLink("?host=${EscURI($host)}",
455 "$host $Lang->{Home}", " class=\"navbar\"");
456 NavLink("?action=browse&host=${EscURI($host)}",
457 $Lang->{Browse}, " class=\"navbar\"") if ( !$noBrowse );
458 NavLink("?action=view&type=LOG&host=${EscURI($host)}",
459 $Lang->{LOG_file}, " class=\"navbar\"");
460 NavLink("?action=LOGlist&host=${EscURI($host)}",
461 $Lang->{LOG_files}, " class=\"navbar\"");
462 if ( -f "$TopDir/pc/$host/SmbLOG.bad"
463 || -f "$TopDir/pc/$host/SmbLOG.bad.z"
464 || -f "$TopDir/pc/$host/XferLOG.bad"
465 || -f "$TopDir/pc/$host/XferLOG.bad.z" ) {
466 NavLink("?action=view&type=XferLOGbad&host=${EscURI($host)}",
467 $Lang->{Last_bad_XferLOG}, " class=\"navbar\"");
468 NavLink("?action=view&type=XferErrbad&host=${EscURI($host)}",
469 $Lang->{Last_bad_XferLOG_errors_only},
470 " class=\"navbar\"");
472 if ( -f "$TopDir/pc/$host/config.pl"
473 || ($host ne "config" && -f "$TopDir/conf/$host.pl") ) {
474 NavLink("?action=editConfig&host=${EscURI($host)}",
475 "Edit Config", " class=\"navbar\"");
479 print("<div id=\"Content\">\n$content\n");
480 if ( defined($contentSub) && ref($contentSub) eq "CODE" ) {
481 while ( (my $s = &$contentSub()) ne "" ) {
485 print($contentPost) if ( defined($contentPost) );
489 <div class="NavMenu" id="NavMenu" style="height:100%">
491 my $hostSelectbox = "<option value=\"#\">$Lang->{Select_a_host}</option>";
492 my @hosts = GetUserHosts($Conf{CgiNavBarAdminAllHosts});
493 if ( defined($Hosts) && %$Hosts > 0 && @hosts ) {
494 NavSectionTitle($Lang->{Hosts});
495 foreach my $host ( @hosts ) {
496 NavLink("?host=${EscURI($host)}", $host)
497 if ( @hosts < $Conf{CgiNavBarAdminAllHosts} );
498 my $sel = " selected" if ( $host eq $In{host} );
499 $hostSelectbox .= "<option value=\"?host=${EscURI($host)}\"$sel>"
503 if ( @hosts >= $Conf{CgiNavBarAdminAllHosts} ) {
506 <select onChange="document.location=this.value">
512 if ( $Conf{CgiSearchBoxEnable} ) {
514 <form action="$MyURL" method="get">
515 <input type="text" name="host" size="14" maxlength="64">
516 <input type="hidden" name="action" value="hostInfo"><input type="submit" value="$Lang->{Go}" name="ignore">
520 NavSectionTitle($Lang->{NavSectionTitle_});
521 foreach my $l ( @adminLinks ) {
522 if ( $PrivAdmin || !$l->{priv} ) {
523 my $txt = $l->{lname} ne "" ? $Lang->{$l->{lname}} : $l->{name};
524 NavLink($l->{link}, $txt);
546 <div class="NavTitle">$head</div>
560 my($link, $text) = @_;
561 if ( defined($link) ) {
563 $class = " class=\"NavCurrent\""
564 if ( length($link) && $ENV{REQUEST_URI} =~ /\Q$link\E$/
565 || $link eq "" && $ENV{REQUEST_URI} !~ /\?/ );
566 $link = "$MyURL$link" if ( $link eq "" || $link =~ /^\?/ );
568 <a href="$link"$class>$text</a>
581 <div class="h1">$str</div>
589 <div class="h2">$str</div>