1 #============================================================= -*-perl-*-
3 # BackupPC::CGI::Restore package
7 # This module implements the Restore action for the CGI interface.
10 # Craig Barratt <cbarratt@users.sourceforge.net>
13 # Copyright (C) 2003 Craig Barratt
15 # This program is free software; you can redistribute it and/or modify
16 # it under the terms of the GNU General Public License as published by
17 # the Free Software Foundation; either version 2 of the License, or
18 # (at your option) any later version.
20 # This program is distributed in the hope that it will be useful,
21 # but WITHOUT ANY WARRANTY; without even the implied warranty of
22 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 # GNU General Public License for more details.
25 # You should have received a copy of the GNU General Public License
26 # along with this program; if not, write to the Free Software
27 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
29 #========================================================================
31 # Version 2.1.0_CVS, released 3 Jul 2003.
33 # See http://backuppc.sourceforge.net.
35 #========================================================================
37 package BackupPC::CGI::Restore;
40 use BackupPC::CGI::Lib qw(:all);
45 my($str, $reply, $content);
46 my $Privileged = CheckPermission($In{host});
48 ErrorExit(eval("qq{$Lang->{Only_privileged_users_can_restore_backup_files}}"));
52 my $share = $In{share};
53 my(@fileList, $fileListStr, $hiddenStr, $pathHdr, $badFileCnt);
54 my @Backups = $bpc->BackupInfoRead($host);
57 if ( !defined($Hosts->{$host}) ) {
58 ErrorExit(eval("qq{$Lang->{Bad_host_name}}"));
60 for ( my $i = 0 ; $i < $In{fcbMax} ; $i++ ) {
61 next if ( !defined($In{"fcb$i"}) );
62 (my $name = $In{"fcb$i"}) =~ s/%([0-9A-F]{2})/chr(hex($1))/eg;
63 $badFileCnt++ if ( $name =~ m{(^|/)\.\.(/|$)} );
64 if ( @fileList == 0 ) {
67 while ( substr($name, 0, length($pathHdr)) ne $pathHdr ) {
68 $pathHdr = substr($pathHdr, 0, rindex($pathHdr, "/"));
71 push(@fileList, $name);
73 <input type="hidden" name="fcb$i" value="$In{'fcb' . $i}">
75 $fileListStr .= <<EOF;
76 <li> ${EscHTML($name)}
79 $hiddenStr .= "<input type=\"hidden\" name=\"fcbMax\" value=\"$In{fcbMax}\">\n";
80 $hiddenStr .= "<input type=\"hidden\" name=\"share\" value=\"${EscHTML($share)}\">\n";
81 $badFileCnt++ if ( $In{pathHdr} =~ m{(^|/)\.\.(/|$)} );
82 $badFileCnt++ if ( $In{num} =~ m{(^|/)\.\.(/|$)} );
83 if ( @fileList == 0 ) {
84 ErrorExit($Lang->{You_haven_t_selected_any_files__please_go_Back_to});
87 ErrorExit($Lang->{Nice_try__but_you_can_t_put});
89 if ( @fileList == 1 ) {
90 $pathHdr =~ s/(.*)\/.*/$1/;
92 $pathHdr = "/" if ( $pathHdr eq "" );
93 if ( $In{type} != 0 && @fileList == $In{fcbMax} ) {
95 # All the files in the list were selected, so just restore the
96 # entire parent directory
98 @fileList = ( $pathHdr );
100 if ( $In{type} == 0 ) {
102 # Tell the user what options they have
104 $content .= eval("qq{$Lang->{Restore_Options_for__host2}}");
107 # Verify that Archive::Zip is available before showing the
110 if ( eval { require Archive::Zip } ) {
111 $content .= eval("qq{$Lang->{Option_2__Download_Zip_archive}}");
113 $content .= eval("qq{$Lang->{Option_2__Download_Zip_archive2}}");
115 $content .= eval("qq{$Lang->{Option_3__Download_Zip_archive}}");
116 Header(eval("qq{$Lang->{Restore_Options_for__host}}"), $content);
118 } elsif ( $In{type} == 1 ) {
120 # Provide the selected files via a tar archive.
122 my @fileListTrim = @fileList;
123 if ( @fileListTrim > 10 ) {
124 @fileListTrim = (@fileListTrim[0..9], '...');
126 $bpc->ServerMesg("log User $User downloaded tar archive for $host,"
127 . " backup $num; files were: "
128 . join(", ", @fileListTrim));
131 if ( $In{relative} ) {
132 @pathOpts = ("-r", $pathHdr, "-p", "");
135 Content-Type: application/x-gtar
136 Content-Transfer-Encoding: binary
137 Content-Disposition: attachment; filename=\"restore.tar\"
141 # Fork the child off and manually copy the output to our stdout.
142 # This is necessary to ensure the output gets to the correct place
145 $bpc->cmdSystemOrEval(["$BinDir/BackupPC_tarCreate",
154 } elsif ( $In{type} == 2 ) {
156 # Provide the selected files via a zip archive.
158 my @fileListTrim = @fileList;
159 if ( @fileListTrim > 10 ) {
160 @fileListTrim = (@fileListTrim[0..9], '...');
162 $bpc->ServerMesg("log User $User downloaded zip archive for $host,"
163 . " backup $num; files were: "
164 . join(", ", @fileListTrim));
167 if ( $In{relative} ) {
168 @pathOpts = ("-r", $pathHdr, "-p", "");
171 Content-Type: application/zip
172 Content-Transfer-Encoding: binary
173 Content-Disposition: attachment; filename=\"restore.zip\"
176 $In{compressLevel} = 5 if ( $In{compressLevel} !~ /^\d+$/ );
178 # Fork the child off and manually copy the output to our stdout.
179 # This is necessary to ensure the output gets to the correct place
182 $bpc->cmdSystemOrEval(["$BinDir/BackupPC_zipCreate",
185 "-c", $In{compressLevel},
192 } elsif ( $In{type} == 3 ) {
194 # Do restore directly onto host
196 if ( !defined($Hosts->{$In{hostDest}}) ) {
197 ErrorExit(eval("qq{$Lang->{Host__doesn_t_exist}}"));
199 if ( !CheckPermission($In{hostDest}) ) {
200 ErrorExit(eval("qq{$Lang->{You_don_t_have_permission_to_restore_onto_host}}"));
203 foreach my $f ( @fileList ) {
205 (my $strippedShare = $share) =~ s/^\///;
206 (my $strippedShareDest = $In{shareDest}) =~ s/^\///;
207 substr($targetFile, 0, length($pathHdr)) = $In{pathHdr};
208 $fileListStr .= <<EOF;
209 <tr><td>$host:/$strippedShare$f</td><td>$In{hostDest}:/$strippedShareDest$targetFile</td></tr>
212 my $content = eval("qq{$Lang->{Are_you_sure}}");
213 Header(eval("qq{$Lang->{Restore_Confirm_on__host}}"), $content);
215 } elsif ( $In{type} == 4 ) {
216 if ( !defined($Hosts->{$In{hostDest}}) ) {
217 ErrorExit(eval("qq{$Lang->{Host__doesn_t_exist}}"));
219 if ( !CheckPermission($In{hostDest}) ) {
220 ErrorExit(eval("qq{$Lang->{You_don_t_have_permission_to_restore_onto_host}}"));
222 my $hostDest = $1 if ( $In{hostDest} =~ /(.+)/ );
223 my $ipAddr = ConfirmIPAddress($hostDest);
225 # Prepare and send the restore request. We write the request
226 # information using Data::Dumper to a unique file,
227 # $TopDir/pc/$hostDest/restoreReq.$$.n. We use a file
228 # in case the list of files to restore is very long.
231 for ( my $i = 0 ; ; $i++ ) {
232 $reqFileName = "restoreReq.$$.$i";
233 last if ( !-f "$TopDir/pc/$hostDest/$reqFileName" );
236 # source of restore is hostSrc, #num, path shareSrc/pathHdrSrc
240 pathHdrSrc => $pathHdr,
242 # destination of restore is hostDest:shareDest/pathHdrDest
243 hostDest => $hostDest,
244 shareDest => $In{shareDest},
245 pathHdrDest => $In{pathHdr},
247 # list of files to restore
248 fileList => \@fileList,
254 my($dump) = Data::Dumper->new(
258 if ( open(REQ, ">$TopDir/pc/$hostDest/$reqFileName") ) {
260 print(REQ $dump->Dump);
263 ErrorExit(eval("qq{$Lang->{Can_t_open_create}}"));
265 $reply = $bpc->ServerMesg("restore ${EscURI($ipAddr)}"
266 . " ${EscURI($hostDest)} $User $reqFileName");
267 $str = eval("qq{$Lang->{Restore_requested_to_host__hostDest__backup___num}}");
268 my $content = eval("qq{$Lang->{Reply_from_server_was___reply}}");
269 Header(eval("qq{$Lang->{Restore_Requested_on__hostDest}}"), $content);