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 2.1.0beta0, released 20 Mar 2004.
33 # See http://backuppc.sourceforge.net.
35 #========================================================================
37 package BackupPC::CGI::Restore;
40 use BackupPC::CGI::Lib qw(:all);
46 my($str, $reply, $content);
47 my $Privileged = CheckPermission($In{host});
49 ErrorExit(eval("qq{$Lang->{Only_privileged_users_can_restore_backup_files}}"));
53 my $share = $In{share};
54 my(@fileList, $fileListStr, $hiddenStr, $pathHdr, $badFileCnt);
55 my @Backups = $bpc->BackupInfoRead($host);
58 if ( !defined($Hosts->{$host}) ) {
59 ErrorExit(eval("qq{$Lang->{Bad_host_name}}"));
61 for ( my $i = 0 ; $i < $In{fcbMax} ; $i++ ) {
62 next if ( !defined($In{"fcb$i"}) );
63 (my $name = $In{"fcb$i"}) =~ s/%([0-9A-F]{2})/chr(hex($1))/eg;
64 $badFileCnt++ if ( $name =~ m{(^|/)\.\.(/|$)} );
65 if ( @fileList == 0 ) {
66 $pathHdr = substr($name, 0, rindex($name, "/"));
68 while ( substr($name, 0, length($pathHdr)) ne $pathHdr ) {
69 $pathHdr = substr($pathHdr, 0, rindex($pathHdr, "/"));
72 push(@fileList, $name);
74 <input type="hidden" name="fcb$i" value="$In{'fcb' . $i}">
76 $fileListStr .= <<EOF;
77 <li> ${EscHTML($name)}
80 $hiddenStr .= "<input type=\"hidden\" name=\"fcbMax\" value=\"$In{fcbMax}\">\n";
81 $hiddenStr .= "<input type=\"hidden\" name=\"share\" value=\"${EscHTML($share)}\">\n";
82 $badFileCnt++ if ( $In{pathHdr} =~ m{(^|/)\.\.(/|$)} );
83 $badFileCnt++ if ( $In{num} =~ m{(^|/)\.\.(/|$)} );
84 if ( @fileList == 0 ) {
85 ErrorExit($Lang->{You_haven_t_selected_any_files__please_go_Back_to});
88 ErrorExit($Lang->{Nice_try__but_you_can_t_put});
90 if ( @fileList == 1 ) {
91 $pathHdr =~ s/(.*)\/.*/$1/;
93 $pathHdr = "/" if ( $pathHdr eq "" );
94 if ( $In{type} != 0 && @fileList == $In{fcbMax} ) {
96 # All the files in the list were selected, so just restore the
97 # entire parent directory
99 @fileList = ( $pathHdr );
101 if ( $In{type} == 0 ) {
103 # Build list of hosts
107 foreach my $h ( GetUserHosts(1) ) {
108 my $sel = " selected" if ( $h eq $In{host} );
109 $hostDestSel .= "<option value=\"$h\"$sel>${EscHTML($h)}</option>";
114 # Tell the user what options they have
116 $content .= eval("qq{$Lang->{Restore_Options_for__host2}}");
119 # If there is a single host, make sure direct restore is enabled
123 # Pick up the host's config file
125 $bpc->ConfigRead($hosts[0]);
126 %Conf = $bpc->Conf();
129 # Decide if option 1 (direct restore) is available based
130 # on whether the restore command is set.
132 my $cmd = $Conf{XferMethod} eq "smb" ? $Conf{SmbClientRestoreCmd}
133 : $Conf{XferMethod} eq "tar" ? $Conf{TarClientRestoreCmd}
134 : $Conf{XferMethod} eq "archive" ? undef
135 : $Conf{RsyncRestoreArgs};
136 if ( defined($cmd) ) {
138 "qq{$Lang->{Restore_Options_for__host_Option1}}");
140 my $hostDest = $hosts[0];
142 "qq{$Lang->{Restore_Options_for__host_Option1_disabled}}");
145 $content .= eval("qq{$Lang->{Restore_Options_for__host_Option1}}");
149 # Verify that Archive::Zip is available before showing the
152 if ( eval { require Archive::Zip } ) {
153 $content .= eval("qq{$Lang->{Option_2__Download_Zip_archive}}");
155 $content .= eval("qq{$Lang->{Option_2__Download_Zip_archive2}}");
157 $content .= eval("qq{$Lang->{Option_3__Download_Zip_archive}}");
158 Header(eval("qq{$Lang->{Restore_Options_for__host}}"), $content);
160 } elsif ( $In{type} == 1 ) {
162 # Provide the selected files via a tar archive.
164 my @fileListTrim = @fileList;
165 if ( @fileListTrim > 10 ) {
166 @fileListTrim = (@fileListTrim[0..9], '...');
168 $bpc->ServerMesg("log User $User downloaded tar archive for $host,"
169 . " backup $num; files were: "
170 . join(", ", @fileListTrim));
173 if ( $In{relative} ) {
174 @pathOpts = ("-r", $pathHdr, "-p", "");
177 Content-Type: application/x-gtar
178 Content-Transfer-Encoding: binary
179 Content-Disposition: attachment; filename=\"restore.tar\"
183 # Fork the child off and manually copy the output to our stdout.
184 # This is necessary to ensure the output gets to the correct place
187 $bpc->cmdSystemOrEval(["$BinDir/BackupPC_tarCreate",
196 } elsif ( $In{type} == 2 ) {
198 # Provide the selected files via a zip archive.
200 my @fileListTrim = @fileList;
201 if ( @fileListTrim > 10 ) {
202 @fileListTrim = (@fileListTrim[0..9], '...');
204 $bpc->ServerMesg("log User $User downloaded zip archive for $host,"
205 . " backup $num; files were: "
206 . join(", ", @fileListTrim));
209 if ( $In{relative} ) {
210 @pathOpts = ("-r", $pathHdr, "-p", "");
213 Content-Type: application/zip
214 Content-Transfer-Encoding: binary
215 Content-Disposition: attachment; filename=\"restore.zip\"
218 $In{compressLevel} = 5 if ( $In{compressLevel} !~ /^\d+$/ );
220 # Fork the child off and manually copy the output to our stdout.
221 # This is necessary to ensure the output gets to the correct place
224 $bpc->cmdSystemOrEval(["$BinDir/BackupPC_zipCreate",
227 "-c", $In{compressLevel},
234 } elsif ( $In{type} == 3 ) {
236 # Do restore directly onto host
238 if ( !defined($Hosts->{$In{hostDest}}) ) {
239 ErrorExit(eval("qq{$Lang->{Host__doesn_t_exist}}"));
241 if ( !CheckPermission($In{hostDest}) ) {
242 ErrorExit(eval("qq{$Lang->{You_don_t_have_permission_to_restore_onto_host}}"));
245 # Pick up the destination host's config file
247 my $hostDest = $1 if ( $In{hostDest} =~ /(.*)/ );
248 $bpc->ConfigRead($hostDest);
249 %Conf = $bpc->Conf();
252 # Decide if option 1 (direct restore) is available based
253 # on whether the restore command is set.
255 my $cmd = $Conf{XferMethod} eq "smb" ? $Conf{SmbClientRestoreCmd}
256 : $Conf{XferMethod} eq "tar" ? $Conf{TarClientRestoreCmd}
257 : $Conf{XferMethod} eq "archive" ? undef
258 : $Conf{RsyncRestoreArgs};
259 if ( !defined($cmd) ) {
260 ErrorExit(eval("qq{$Lang->{Restore_Options_for__host_Option1_disabled}}"));
264 foreach my $f ( @fileList ) {
266 (my $strippedShare = $share) =~ s/^\///;
267 (my $strippedShareDest = $In{shareDest}) =~ s/^\///;
268 substr($targetFile, 0, length($pathHdr)) = "/$In{pathHdr}/";
269 $targetFile =~ s{//+}{/}g;
270 $fileListStr .= <<EOF;
271 <tr><td>$host:/$strippedShare$f</td><td>$In{hostDest}:/$strippedShareDest$targetFile</td></tr>
274 my $content = eval("qq{$Lang->{Are_you_sure}}");
275 Header(eval("qq{$Lang->{Restore_Confirm_on__host}}"), $content);
277 } elsif ( $In{type} == 4 ) {
278 if ( !defined($Hosts->{$In{hostDest}}) ) {
279 ErrorExit(eval("qq{$Lang->{Host__doesn_t_exist}}"));
281 if ( !CheckPermission($In{hostDest}) ) {
282 ErrorExit(eval("qq{$Lang->{You_don_t_have_permission_to_restore_onto_host}}"));
284 my $hostDest = $1 if ( $In{hostDest} =~ /(.+)/ );
285 my $ipAddr = ConfirmIPAddress($hostDest);
287 # Prepare and send the restore request. We write the request
288 # information using Data::Dumper to a unique file,
289 # $TopDir/pc/$hostDest/restoreReq.$$.n. We use a file
290 # in case the list of files to restore is very long.
293 for ( my $i = 0 ; ; $i++ ) {
294 $reqFileName = "restoreReq.$$.$i";
295 last if ( !-f "$TopDir/pc/$hostDest/$reqFileName" );
297 my $inPathHdr = $In{pathHdr};
298 $inPathHdr = "/$inPathHdr" if ( $inPathHdr !~ m{^/} );
299 $inPathHdr = "$inPathHdr/" if ( $inPathHdr !~ m{/$} );
301 # source of restore is hostSrc, #num, path shareSrc/pathHdrSrc
305 pathHdrSrc => $pathHdr,
307 # destination of restore is hostDest:shareDest/pathHdrDest
308 hostDest => $hostDest,
309 shareDest => $In{shareDest},
310 pathHdrDest => $inPathHdr,
312 # list of files to restore
313 fileList => \@fileList,
319 my($dump) = Data::Dumper->new(
323 mkpath("$TopDir/pc/$hostDest", 0, 0777)
324 if ( !-d "$TopDir/pc/$hostDest" );
325 if ( open(REQ, ">$TopDir/pc/$hostDest/$reqFileName") ) {
327 print(REQ $dump->Dump);
330 ErrorExit(eval("qq{$Lang->{Can_t_open_create}}"));
332 $reply = $bpc->ServerMesg("restore ${EscURI($ipAddr)}"
333 . " ${EscURI($hostDest)} $User $reqFileName");
334 $str = eval("qq{$Lang->{Restore_requested_to_host__hostDest__backup___num}}");
335 my $content = eval("qq{$Lang->{Reply_from_server_was___reply}}");
336 Header(eval("qq{$Lang->{Restore_Requested_on__hostDest}}"), $content);