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#!/usr/bin/perl
# backup.cgi
# Backup a database to a local file
require './postgresql-lib.pl' ;
&ReadParse ( ) ;
&error_setup ( $text{'backup_err'} ) ;
# Validate inputs
if ($in{'all'}) {
@alldbs = &list_databases();
@dbs = grep { &can_edit_db($_) } @alldbs;
@alldbs == @dbs || &error($text{'dbase_ecannot'});
}
else {
&can_edit_db($in{'db'}) || &error($text{'dbase_ecannot'});
}
$access{'backup'} || &error($text{'backup_ecannot'});
if (!$in{'save'} || $in{'sched'}) {
if ($in{'all'}) {
-d $in{'path'} || -d &date_subs($in{'path'}) || $in{'mkdir'} ||
&error(&text('backup_pe4', $in{'path'})) ;
}
else {
$in{'path'} =~ /^\/\S+$/ ||
$in{'path'} =~ /^[a-z]:[\\\/]/i ||
&error(&text('backup_pe3', $in{'path'})) ;
}
if (!$in{'all'} && !$in{'tables_def'}) {
@tables = split(/\0/, $in{'tables'});
@tables || &error($text{'backup_etables'});
}
}
$cron = !$module_info{'usermin'} &&
!$access{'user'} && &foreign_installed("cron");
$cmode = 0;
if ($cron) {
if ($access{'cmds'}) {
$config{'backup_before_'.$in{'db'}} = $in{'before'};
$config{'backup_after_'.$in{'db'}} = $in{'after'};
if ($in{'all'}) {
$config{'backup_cmode_'.$in{'db'}} = $in{'cmode'};
$cmode = $in{'cmode'};
}
}
&foreign_require("cron", "cron-lib.pl");
@jobs = &cron::list_cron_jobs();
$cmd = $in{'all'} ? "$cron_cmd --all" : "$cron_cmd $in{'db'}";
($job) = grep { $_->{'command'} eq $cmd } @jobs;
$oldjob = $job;
$job ||= { 'command' => $cmd,
'user' => 'root',
'active' => 1 };
&cron::parse_times_input($job, \%in);
}
if (!$in{'all'}) {
# Make sure the database exists
$db_find_f = 0 ;
if ( $in{'db'} ) {
foreach ( &list_databases() ) {
if ( $_ eq $in{'db'} ) { $db_find_f = 1 ; }
}
}
if ( $db_find_f == 0 ) { &error ( &text ( 'backup_edb' ) ) ; }
}
# Save choices for next time the form is visited (and for the cron job)
if ($module_info{'usermin'}) {
$userconfig{'backup_'.$in{'db'}} = $in{'path'};
$userconfig{'backup_format_'.$in{'db'}} = $in{'format'};
$userconfig{'backup_tables_'.$in{'db'}} = join(" ", @tables);
&write_file("$user_module_config_directory/config", \%userconfig);
}
else {
$config{'backup_'.$in{'db'}} = $in{'path'};
$config{'backup_mkdir_'.$in{'db'}} = $in{'mkdir'};
$config{'backup_format_'.$in{'db'}} = $in{'format'};
$config{'backup_tables_'.$in{'db'}} = join(" ", @tables);
&write_file("$module_config_directory/config", \%config);
}
$desc = "<tt>$in{'db'}</tt>";
&ui_print_header($desc, $text{'backup_title'}, "");
if (!$in{'save'}) {
# Construct and run the backup command
@dbs = $in{'all'} ? @alldbs : ( $in{'db'} );
$suf = $in{'format'} eq "p" ? "sql" :
$in{'format'} eq "t" ? "tar" : "post";
if ($cmode == 1) {
# Run and check before-backup command (for all DBs)
$bok = &execute_before(undef, STDOUT, 1, $in{'file'}, undef);
if (!$bok) {
print "$main::whatfailed : ",$text{'backup_ebefore'},"<p>\n";
goto donebackup;
}
}
foreach $db (@dbs) {
if (!&accepting_connections($db)) {
print &text('backup_notaccept', "<tt>$db</tt>"),"<p>\n";
next;
}
if ($in{'all'}) {
$dir = &date_subs($in{'path'});
&make_backup_dir($dir) if ($in{'mkdir'});
$path = $dir."/".$db.".".$suf;
}
else {
$path = &date_subs($in{'path'});
}
if ($cron && $cmode == 0) {
# Run and check before-backup command
$bok = &execute_before($db, STDOUT, 1, $path, $in{'all'} ? undef : $db);
if (!$bok) {
print "$main::whatfailed : ",$text{'backup_ebefore'},"<p>\n";
next;
}
}
$err = &backup_database($db, $path, $in{'format'}, \@tables);
if ($err) {
print "$main::whatfailed : ",
&text('backup_ebackup',"<pre>$err</pre>"),"<p>\n";
}
else {
@st = stat($path);
print &text('backup_done', "<tt>$db</tt>",
"<tt>$path</tt>", $st[7]),"<p>\n";
}
&execute_after($db, STDOUT, 1, $path, $in{'all'} ? undef : $db)
if ($cron && $cmode == 0);
}
&execute_after(undef, STDOUT, 1, $in{'file'}, undef) if ($cmode == 1);
donebackup:
}
if ($cron) {
&lock_file($cron_cmd);
&cron::create_wrapper($cron_cmd, $module_name, "backup.pl");
&unlock_file($cron_cmd);
&lock_file(&cron::cron_file($job));
if ($in{'sched'} && !$oldjob) {
&cron::create_cron_job($job);
$what = "backup_ccron";
}
elsif (!$in{'sched'} && $oldjob) {
# Need to delete cron job
&cron::delete_cron_job($job);
$what = "backup_dcron";
}
elsif ($in{'sched'} && $oldjob) {
# Need to update cron job
&cron::change_cron_job($job);
$what = "backup_ucron";
}
else {
$what = "backup_ncron";
}
&unlock_file(&cron::cron_file($job));
# Tell the user what was done
print $text{$what},"<p>\n" if ($what);
}
&webmin_log("backup", undef, $in{'all'} ? "" : $in{'db'}, \%in);
if ($in{'all'}) {
&ui_print_footer("", $text{'index_return'});
}
else {
&ui_print_footer("edit_dbase.cgi?db=$in{'db'}", $text{'dbase_return'},
&get_databases_return_link($in{'db'}), $text{'index_return'});
}
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