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joko |
1.1 |
package ConfigPatcher::Handlers; |
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use strict; |
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use warnings; |
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sub s2f { |
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my $filename = shift; |
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my $string = shift; |
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open(FH, '>' . $filename); |
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print FH $string; |
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print FH "\n"; |
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close(FH); |
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} |
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sub f2s { |
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my $filename = shift; |
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# read file at once (be careful with big files!!!) |
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open(FH, '<' . $filename); |
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my @buf_arr = <FH>; |
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my $buf = join("", @buf_arr); |
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close(FH); |
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return $buf; |
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} |
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sub a2f { |
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my $filename = shift; |
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my $string = shift; |
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open(FH, '>>' . $filename); |
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print FH "\n"; |
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print FH $string; |
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print FH "\n"; |
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close(FH); |
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} |
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sub ris { |
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my $string = shift; |
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my $re_table_r = shift; |
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my %re_table = %{$re_table_r}; |
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my @re_find = keys %re_table; |
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# replace all keys with substitutes from hash "%re_table" |
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foreach my $find (@re_find) { |
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my $replace = $re_table{$find}; |
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$string =~ s/$find/$replace/g; |
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} |
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return $string; |
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} |
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sub rif { |
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my $filename = shift; |
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my $re_table_r = shift; |
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my $buf = f2s($filename); |
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$buf = ris($buf, $re_table_r); |
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s2f($filename, $buf); |
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} |
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sub findKeyEntries { |
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my $string = shift; |
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my $pattern = shift; |
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my @arr = split("\n", $string); |
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my @entries; |
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foreach (@arr) { |
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chomp; |
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#print "l: ", $_, "\n"; |
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if (m/$pattern/) { |
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push @entries, $1; |
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} |
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} |
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return \@entries; |
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} |
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# --------------------------------- |
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# is a context-entry in a file? |
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# a "context-entry" is an entry identified |
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# by a certain keystring, which itself |
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# is detected dynamically |
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sub isEntryInFile { |
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my $chk = shift; |
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my $content_current = f2s($chk->{filename}); |
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#print $content_current, "\n"; |
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if (my @keys = @{findKeyEntries($chk->{'out'}, $chk->{'pattern'}{'EntryDetect'})}) { |
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foreach (@keys) { |
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my $pattern = $chk->{'pattern'}{'EntryCheck'}; |
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$pattern =~ s/\@\@KEY\@\@/$_/; |
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#print "line: $_; pat: \"$pattern\"", "\n"; |
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my $bool_AlreadyThere = ($content_current =~ m/$pattern/); |
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if ($bool_AlreadyThere eq '1') { |
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$chk->{'EntryFound'} = $_; |
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return 1; |
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} |
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} |
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} |
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} |
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sub generic_hostname { |
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my $filename = shift; |
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my $hostname = $ConfigPatcher::Main::vhost{'net'}{'hostname'}; |
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s2f($filename, $hostname); |
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return 1; |
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} |
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sub generic_resolvconf { |
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my $filename = shift; |
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my $ns = $ConfigPatcher::Main::vhost{'net'}{'nameserver'}; |
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s2f($filename, "nameserver $ns"); |
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return 1; |
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} |
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sub generic_hosts { |
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my $filename = shift; |
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my $hostname = $ConfigPatcher::Main::vhost{'net'}{'hostname'}; |
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my $ip = $ConfigPatcher::Main::vhost{'net'}{'ip'}; |
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rif( |
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$filename, |
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{ |
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'@@UML_IP@@' => $ip, |
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'@@UML_FQHN@@' => $hostname, |
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} |
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); |
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return 1; |
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} |
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sub debian_interfaces { |
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my $filename = shift; |
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my $ip = $ConfigPatcher::Main::vhost{'net'}{'ip'}; |
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my $device = $ConfigPatcher::Main::vhost{'net'}{'device'}; |
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# ----------------- |
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my %tmpl; |
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$tmpl{'in'} = ' |
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auto @@UML_DEVICE@@ |
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iface @@UML_DEVICE@@ inet static |
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address @@UML_IP@@ |
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netmask 255.255.255.255 |
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network @@UML_IP@@ |
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broadcast @@UML_IP@@ |
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gateway @@UML_IP@@ |
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'; |
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$tmpl{'pattern'}{'EntryDetect'} = 'iface (.+?) '; |
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$tmpl{'pattern'}{'EntryCheck'} = 'iface @@KEY@@ '; |
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# ----------------- |
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$tmpl{'out'} = |
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ris( |
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$tmpl{'in'}, |
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{ |
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'@@UML_DEVICE@@' => $device, |
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'@@UML_IP@@' => $ip, |
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} |
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); |
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my %chk = %tmpl; |
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$chk{'filename'} = $filename; |
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$chk{'EntryFound'} = ' '; |
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if (isEntryInFile(\%chk)) { |
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print "\n", " an entry specifying \"", $chk{'EntryFound'}, "\" already exists in \"$filename\", will not overwrite!!! "; |
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} else { |
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a2f($filename, $tmpl{'out'}); |
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return 1; |
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} |
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} |
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1; |
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