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415 lines
13 KiB
Perl
415 lines
13 KiB
Perl
# linux-lib.pl
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# supported_filesystems()
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# Returns a list of filesystem types on which dumping is supported
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sub supported_filesystems
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{
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local @rv;
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push(@rv, "ext2", "ext3") if (&has_command("dump"));
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push(@rv, "xfs") if (&has_command("xfsdump"));
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return @rv;
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}
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# dump_form(&dump)
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sub dump_form
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{
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# Display common options
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print "<tr> <td valign=top><b>",&hlink($text{'dump_dest'}, "dest"),
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"</b></td> <td colspan=3>\n";
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printf "<input type=radio name=mode value=0 %s> %s\n",
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$_[0]->{'host'} ? '' : 'checked', $text{'dump_file'};
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printf "<input name=file size=50 value='%s'> %s<br>\n",
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$_[0]->{'host'} ? '' : $_[0]->{'file'},
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&file_chooser_button("file");
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printf "<input type=radio name=mode value=1 %s>\n",
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$_[0]->{'host'} ? 'checked' : '';
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print &text('dump_host',
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"<input name=host size=15 value='$_[0]->{'host'}'>",
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"<input name=huser size=8 value='$_[0]->{'huser'}'>",
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"<input name=hfile size=20 value='$_[0]->{'hfile'}'>"),
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"</td> </tr>\n";
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if ($_[0]->{'fs'} eq 'xfs') {
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# Display xfs dump options
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print "<tr> <td><b>",&hlink($text{'dump_level'},"level"),"</b></td>\n";
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print "<td><select name=level>\n";
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foreach $l (0 .. 9) {
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printf "<option value=%d %s>%d %s\n",
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$l, $_[0]->{'level'} == $l ? "selected" : "", $l,
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$text{'dump_level_'.$l};
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}
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print "</select></td>\n";
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print "<td><b>",&hlink($text{'dump_label'},"label"),"</b></td>\n";
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printf "<td><input name=label size=15 value='%s'></td> </tr>\n",
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$_[0]->{'label'};
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print "<tr> <td><b>",&hlink($text{'dump_max'},"max"),"</b></td>\n";
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printf "<td><input type=radio name=max_def value=1 %s> %s\n",
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$_[0]->{'max'} ? '' : 'checked', $text{'dump_unlimited'};
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printf "<input type=radio name=max_def value=0 %s>\n",
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$_[0]->{'max'} ? 'checked' : '';
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printf "<input name=max size=8 value='%s'> kB</td>\n", $_[0]->{'max'};
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print "<td><b>",&hlink($text{'dump_attribs'},"attribs"),"</b></td>\n";
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printf "<td><input type=radio name=noattribs value=0 %s> %s\n",
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$_[0]->{'noattribs'} ? '' : 'checked', $text{'yes'};
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printf "<input type=radio name=noattribs value=1 %s> %s</td> </tr>\n",
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$_[0]->{'noattribs'} ? 'checked' : '', $text{'no'};
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print "<tr> <td><b>",&hlink($text{'dump_over'},"over"),"</b></td>\n";
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printf "<td><input type=radio name=over value=0 %s> %s\n",
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$_[0]->{'over'} ? '' : 'checked', $text{'yes'};
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printf "<input type=radio name=over value=1 %s> %s</td>\n",
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$_[0]->{'over'} ? 'checked' : '', $text{'no'};
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print "<td><b>",&hlink($text{'dump_invent'},"invent"),"</b></td>\n";
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printf "<td><input type=radio name=noinvent value=0 %s> %s\n",
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$_[0]->{'noinvent'} ? '' : 'checked', $text{'yes'};
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printf "<input type=radio name=noinvent value=1 %s> %s</td> </tr>\n",
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$_[0]->{'noinvent'} ? 'checked' : '', $text{'no'};
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print "<tr> <td><b>",&hlink($text{'dump_overwrite'},"overwrite"),
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"</b></td>\n";
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printf "<td><input type=radio name=overwrite value=1 %s> %s\n",
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$_[0]->{'overwrite'} ? 'checked' : '', $text{'yes'};
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printf "<input type=radio name=overwrite value=0 %s> %s</td>\n",
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$_[0]->{'overwrite'} ? '' : 'checked', $text{'no'};
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print "<td><b>",&hlink($text{'dump_erase'},"erase"),"</b></td>\n";
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printf "<td><input type=radio name=erase value=1 %s> %s\n",
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$_[0]->{'erase'} ? 'checked' : '', $text{'yes'};
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printf "<input type=radio name=erase value=0 %s> %s</td> </tr>\n",
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$_[0]->{'erase'} ? '' : 'checked', $text{'no'};
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}
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else {
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# Display ext2/3 filesystem dump options
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print "<tr> <td><b>",&hlink($text{'dump_update'},"update"),
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"</b></td>\n";
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printf "<td><input name=update type=radio value=1 %s> %s\n",
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$_[0]->{'update'} ? 'checked' : '', $text{'yes'};
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printf "<input name=update type=radio value=0 %s> %s</td>\n",
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$_[0]->{'update'} ? '' : 'checked', $text{'no'};
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print "<td><b>",&hlink($text{'dump_multi'},"multi"),"</b></td>\n";
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printf "<td><input name=multi type=radio value=1 %s> %s\n",
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$_[0]->{'multi'} ? 'checked' : '', $text{'yes'};
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printf "<input name=multi type=radio value=0 %s> %s</td> </tr>\n",
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$_[0]->{'multi'} ? '' : 'checked', $text{'no'};
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print "<tr> <td><b>",&hlink($text{'dump_level'},"level"),"</b></td>\n";
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print "<td><select name=level>\n";
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foreach $l (0 .. 9) {
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printf "<option value=%d %s>%d %s\n",
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$l, $_[0]->{'level'} == $l ? "selected" : "", $l,
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$text{'dump_level_'.$l};
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}
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print "</select></td>\n";
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print "<td><b>",&hlink($text{'dump_label'},"label"),"</b></td>\n";
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printf "<td><input name=label size=15 value='%s'></td> </tr>\n",
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$_[0]->{'label'};
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}
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}
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# parse_dump(&dump)
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sub parse_dump
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{
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# Parse common options
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if ($in{'mode'} == 0) {
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$in{'file'} =~ /\S/ || &error($text{'dump_efile'});
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$_[0]->{'file'} = $in{'file'};
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delete($_[0]->{'host'});
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delete($_[0]->{'huser'});
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delete($_[0]->{'hfile'});
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}
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else {
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gethostbyname($in{'host'}) || &check_ipaddress($in{'host'}) ||
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&error($text{'dump_ehost'});
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$_[0]->{'host'} = $in{'host'};
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$in{'huser'} =~ /^\S+$/ || &error($text{'dump_ehuser'});
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$_[0]->{'huser'} = $in{'huser'};
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$in{'hfile'} || &error($text{'dump_ehfile'});
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$_[0]->{'hfile'} = $in{'hfile'};
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delete($_[0]->{'file'});
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}
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if ($_[0]->{'fs'} eq 'xfs') {
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# Parse xfs options
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local $mp;
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foreach $m (&foreign_call("mount", "list_mounted")) {
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$mp++ if ($m->[0] eq $in{'dir'});
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}
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$mp || &error($text{'dump_emp'});
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$in{'label'} =~ /^\S*$/ && length($in{'label'}) < 256 ||
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&error($text{'dump_elabel2'});
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$_[0]->{'label'} = $in{'label'};
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$_[0]->{'level'} = $in{'level'};
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if ($in{'max_def'}) {
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delete($_[0]->{'max'});
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}
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else {
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$in{'max'} =~ /^\d+$/ || &error($text{'dump_emax'});
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$_[0]->{'max'} = $in{'max'};
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}
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$_[0]->{'noattribs'} = $in{'noattribs'};
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$_[0]->{'over'} = $in{'over'};
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$_[0]->{'noinvent'} = $in{'noinvent'};
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$_[0]->{'overwrite'} = $in{'overwrite'};
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$_[0]->{'erase'} = $in{'erase'};
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}
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else {
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# Parse ext2/3 options
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$_[0]->{'update'} = $in{'update'};
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$_[0]->{'multi'} = $in{'multi'};
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$_[0]->{'level'} = $in{'level'};
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$in{'label'} =~ /^\S*$/ && length($in{'label'}) < 16 ||
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&error($text{'dump_elabel'});
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$_[0]->{'label'} = $in{'label'};
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}
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}
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# execute_dump(&dump, filehandle, escape)
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# Executes a dump and displays the output
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sub execute_dump
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{
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local $fh = $_[1];
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local ($cmd, $flag);
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if ($_[0]->{'huser'}) {
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$flag = " -f '$_[0]->{'huser'}@$_[0]->{'host'}:$_[0]->{'hfile'}'";
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}
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elsif ($_[0]->{'host'}) {
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$flag = " -f '$_[0]->{'host'}:$_[0]->{'hfile'}'";
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}
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else {
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$flag = " -f '$_[0]->{'file'}'";
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}
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if ($_[0]->{'fs'} eq 'xfs') {
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# xfs backup
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$cmd = "xfsdump -l $_[0]->{'level'}";
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$cmd .= $flag;
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$cmd .= " -L '$_[0]->{'label'}'" if ($_[0]->{'label'});
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$cmd .= " -M '$_[0]->{'label'}'" if ($_[0]->{'label'});
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$cmd .= " -z '$_[0]->{'max'}'" if ($_[0]->{'max'});
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$cmd .= " -A" if ($_[0]->{'noattribs'});
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$cmd .= " -F" if ($_[0]->{'over'});
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$cmd .= " -J" if ($_[0]->{'noinvent'});
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$cmd .= " -o" if ($_[0]->{'overwrite'});
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$cmd .= " -E -F" if ($_[0]->{'erase'});
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$cmd .= " '$_[0]->{'dir'}'";
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}
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else {
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# ext2/3 backup
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$cmd = "dump -$_[0]->{'level'}";
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$cmd .= $flag;
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$cmd .= " -u" if ($_[0]->{'update'});
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$cmd .= " -M" if ($_[0]->{'multi'});
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$cmd .= " -L '$_[0]->{'label'}'" if ($_[0]->{'label'});
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$cmd .= " '$_[0]->{'dir'}'";
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}
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&system_logged("sync");
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sleep(1);
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&additional_log('exec', undef, $cmd);
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open(CMD, "$cmd 2>&1 </dev/null |");
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while(<CMD>) {
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if ($_[2]) {
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print $fh &html_escape($_);
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}
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else {
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print $fh $_;
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}
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}
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close(CMD);
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}
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# dump_dest(&dump)
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sub dump_dest
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{
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if ($_[0]->{'file'}) {
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return "<tt>".&html_escape($_[0]->{'file'})."</tt>";
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}
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elsif ($_[0]->{'huser'}) {
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return "<tt>".&html_escape("$_[0]->{'huser'}@$_[0]->{'host'}:$_[0]->{'hfile'}")."</tt>";
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}
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else {
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return "<tt>".&html_escape("$_[0]->{'host'}:$_[0]->{'hfile'}")."</tt>";
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}
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}
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# missing_restore_command(filesystem)
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sub missing_restore_command
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{
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local $cmd = $_[0] eq 'xfs' ? 'xfsrestore' : 'restore';
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return &has_command($cmd) ? undef : $cmd;
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}
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# restore_form(filesystem)
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sub restore_form
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{
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# common options
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print "<tr> <td valign=top><b>",&hlink($text{'restore_src'}, "rsrc"),
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"</b></td>\n";
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printf "<td colspan=3><input type=radio name=mode value=0 checked> %s\n",
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$text{'dump_file'};
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printf "<input name=file size=50> %s<br>\n",
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&file_chooser_button("file");
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printf "<input type=radio name=mode value=1>\n";
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print &text('dump_host',
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"<input name=host size=15>",
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"<input name=huser size=8>",
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"<input name=hfile size=20>"),
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"</td> </tr>\n";
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if ($_[0] eq 'xfs') {
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# xfs restore options
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print "<tr> <td><b>",&hlink($text{'restore_dir'},"rdir"),
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"</b></td> <td colspan=3>\n";
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print "<input name=dir size=50> ",&file_chooser_button("dir", 1),
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"</td> </tr>\n";
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print "<tr> <td><b>",&hlink($text{'restore_over'},"rover"),
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"</b></td>\n";
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print "<td colspan=3><input type=radio name=over value=0 checked> ",
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"$text{'restore_over0'}\n";
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print "<input type=radio name=over value=1> $text{'restore_over1'}\n";
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print "<input type=radio name=over value=2> ",
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"$text{'restore_over2'}</td> </tr>\n";
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print "<tr> <td><b>",&hlink($text{'restore_noattribs'},"rnoattribs"),
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"</b></td> <td>\n";
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print "<input type=radio name=noattribs value=0 checked> $text{'yes'}\n";
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print "<input type=radio name=noattribs value=1> $text{'no'}</td>\n";
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print "<td><b>",&hlink($text{'restore_label'},"rlabel"),"</b></td>\n";
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print "<td><input name=label size=20></td> </tr>\n";
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print "<tr> <td><b>",&hlink($text{'restore_test'},"rtest"),"</td>\n";
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print "<td><input type=radio name=test value=1> $text{'yes'}\n";
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print "<input type=radio name=test value=0 checked> $text{'no'}</td> </tr>\n";
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}
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else {
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# ext2/3 restore options
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print "<tr> <td><b>",&hlink($text{'restore_files'},"rfiles"),
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"</b></td>\n";
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print "<td colspan=3><input type=radio name=files_def value=1 checked> ",
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"$text{'restore_all'}\n";
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print "<input type=radio name=files_def value=0> $text{'restore_sel'}\n";
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print "<input name=files size=40></td> </tr>\n";
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print "<tr> <td><b>",&hlink($text{'restore_dir'},"rdir"),"</td>\n";
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print "<td colspan=3><input name=dir size=40> ",
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&file_chooser_button("dir", 1),"</td> </tr>\n";
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print "<tr> <td><b>",&hlink($text{'restore_multi'},"rmulti"),
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"</b></td>\n";
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print "<td><input type=radio name=multi value=1> $text{'yes'}\n";
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print "<input type=radio name=multi value=0 checked> $text{'no'}</td>\n";
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print "<td><b>",&hlink($text{'restore_test'},"rtest"),"</td>\n";
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print "<td><input type=radio name=test value=1> $text{'yes'}\n";
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print "<input type=radio name=test value=0 checked> $text{'no'}</td> </tr>\n";
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}
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}
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# parse_restore(filesystem)
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# Parses inputs from restore_form() and returns a command to be passed to
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# restore_backup()
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sub parse_restore
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{
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local $cmd;
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if ($_[0] eq 'xfs') {
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$cmd = "xfsrestore";
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$cmd .= " -t" if ($in{'test'});
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}
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else {
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$cmd = "restore";
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$cmd .= ($in{'test'} ? " -t" : " -x");
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}
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if ($in{'mode'} == 0) {
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$in{'file'} || &error($text{'restore_efile'});
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$cmd .= " -f '$in{'file'}'";
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}
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else {
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gethostbyname($in{'host'}) || &check_ipaddress($in{'host'}) ||
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&error($text{'restore_ehost'});
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$in{'huser'} =~ /^\S*$/ || &error($text{'restore_ehuser'});
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$in{'hfile'} || &error($text{'restore_ehfile'});
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if ($in{'huser'}) {
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$cmd .= " -f '$in{'huser'}@$in{'host'}:$in{'hfile'}'";
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}
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else {
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$cmd .= " -f '$in{'host'}:$in{'hfile'}'";
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}
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}
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if ($_[0] eq 'xfs') {
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# parse xfs options
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$cmd .= " -E" if ($in{'over'} == 1);
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$cmd .= " -e" if ($in{'over'} == 2);
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$cmd .= " -A" if ($in{'noattribs'});
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$cmd .= " -L '$in{'label'}'" if ($in{'label'});
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$cmd .= " -F";
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if (!$in{'test'}) {
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-d $in{'dir'} || &error($text{'restore_edir'});
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$cmd .= " '$in{'dir'}'";
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}
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}
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else {
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# parse ext2/3 options
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$cmd .= " -M" if ($in{'multi'});
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if (!$in{'files_def'}) {
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$in{'files'} || &error($text{'restore_efiles'});
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$cmd .= " $in{'files'}";
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}
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-d $in{'dir'} || &error($text{'restore_edir'});
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}
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return $cmd;
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}
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# restore_backup(filesystem, command)
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# Restores a backup based on inputs from restore_form(), and displays the results
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sub restore_backup
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{
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&additional_log('exec', undef, $_[1]);
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if ($_[0] eq 'xfs') {
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# Just run the backup command
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open(CMD, "$_[1] 2>&1 </dev/null |");
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while(<CMD>) {
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print &html_escape($_);
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}
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close(CMD);
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}
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else {
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# Need to supply prompts
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&foreign_require("proc", "proc-lib.pl");
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local ($fh, $fpid) = &foreign_call("proc", "pty_process_exec", "cd '$in{'dir'}' ; $_[1]");
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local $donevolume;
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while(1) {
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local $rv = &wait_for($fh, "(next volume #)", "(set owner.mode for.*\\[yn\\])", "((.*)\\[yn\\])", "(.*\\n)");
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last if ($rv < 0);
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print &html_escape($matches[1]);
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if ($rv == 0) {
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if ($donevolume++) {
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return $text{'restore_evolume'};
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}
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else {
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syswrite($fh, "1\n");
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}
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}
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elsif ($rv == 1) {
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syswrite($fh, "n\n");
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}
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elsif ($rv == 2) {
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return &text('restore_equestion',
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"<tt>$matches[2]</tt>");
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}
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}
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close($fh);
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}
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return undef;
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}
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1;
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