![tilghman](/assets/img/avatar_default.png)
git-svn-id: http://svn.digium.com/svn/asterisk/trunk@126021 f38db490-d61c-443f-a65b-d21fe96a405b
252 lines
7.4 KiB
Perl
Executable file
252 lines
7.4 KiB
Perl
Executable file
#!/usr/bin/perl
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#
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# Copyright (c) 2008 Digium, Inc.
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#
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# Tilghman Lesher <dbsep.cgi@the-tilghman.com>
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#
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# See http://www.asterisk.org for more information about
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# the Asterisk project. Please do not directly contact
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# any of the maintainers of this project for assistance;
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# the project provides a web site, mailing lists and IRC
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# channels for your use.
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#
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# This program is free software, distributed under the terms of
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# the GNU General Public License Version 2. See the LICENSE file
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# at the top of the source tree.
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#
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# $Id$
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#
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use CGI;
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use DBI;
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use strict;
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my ($cgi, $dbh, %cfg, $table, $mode);
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# The following settings are expected:
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#
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# dsn=<some valid dsn>
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# dbuser=<user>
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# dbpass=<passwd>
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# dbschema=<dbname>
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# backslash_is_escape={yes|no}
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#
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open CFG, "</etc/asterisk/dbsep.conf";
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while (<CFG>) {
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chomp;
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next if (m/^[#;]/);
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next if (m/^\s*$/);
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my ($name,$value) = split '=';
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$cfg{lc($name)} = $value;
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}
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close CFG;
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$cgi = new CGI;
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$ENV{PATH_INFO} =~ m/\/([^\/]*)\/([^\/]*)$/;
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($table, $mode) = ($1, lc($2));
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#print STDERR "PATH_INFO=$ENV{PATH_INFO}, table=$table, mode=$mode\n";
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if ($mode eq 'single') {
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# All parameters as POST
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my ($sql, $sth, $row, @answer);
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$sql = "SELECT * FROM $table WHERE " . join(" AND ", cgi_to_where_clause($cgi, \%cfg));
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$dbh = DBI->connect($cfg{dsn}, $cfg{dbuser}, $cfg{dbpass});
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$sth = $dbh->prepare($sql) || throw_error("Invalid query: $sql");
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$sth->execute() || throw_error("Invalid query: $sql");
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$row = $sth->fetchrow_hashref();
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foreach (keys %$row) {
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foreach my $item (split /\;/, $row->{$_}) {
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push @answer, encode($_) . "=" . encode($item);
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}
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}
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$sth->finish();
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$dbh->disconnect();
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print "Content-type: text/plain\n\n";
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print join("&", @answer) . "\n";
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} elsif ($ENV{PATH_INFO} =~ m/multi$/) {
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# All parameters as POST
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my ($sql, $sth, @answer);
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$sql = "SELECT * FROM $table WHERE " . join(" AND ", cgi_to_where_clause($cgi, \%cfg));
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$dbh = DBI->connect($cfg{dsn}, $cfg{dbuser}, $cfg{dbpass});
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$sth = $dbh->prepare($sql) || throw_error("Invalid query: $sql");
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$sth->execute() || throw_error("Invalid query: $sql");
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print "Content-type: text/plain\n\n";
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while (my $row = $sth->fetchrow_hashref()) {
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@answer = ();
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foreach (keys %$row) {
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foreach my $item (split /\;/, $row->{$_}) {
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push @answer, encode($_) . "=" . encode($item);
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}
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}
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print join("&", @answer) . "\n";
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}
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$sth->finish();
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$dbh->disconnect();
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} elsif ($ENV{PATH_INFO} =~ m/update$/) {
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# where clause in GET, update parameters in POST
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my (%get, @get, $sql, $name, $value, $affected);
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foreach (split '&', $ENV{QUERY_STRING}) {
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($name, $value) = split '=';
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$name = decode($name);
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next if (!isname($name));
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$value = escape_value(decode($value));
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if ($name =~ m/ /) {
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push @get, "$name '$value'";
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} else {
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push @get, "$name='$value'";
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}
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$get{$name}++;
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}
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$sql = "SELECT " . join(",", cgi_to_where_clause($cgi, \%cfg, \%get)) . " FROM $table WHERE " . join(" AND ", @get);
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$dbh = DBI->connect($cfg{dsn}, $cfg{dbuser}, $cfg{dbpass});
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$affected = $dbh->do($sql);
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$dbh->disconnect();
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print "Content-type: text/html\n\n$affected\n";
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} elsif ($ENV{PATH_INFO} =~ m/store$/) {
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# All parameters as POST
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my (@param, $sql, @fields, @values, $affected);
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foreach my $param (cgi_to_where_clause($cgi, \%cfg)) {
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my ($name, $value) = split /=/, $param;
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push @fields, $name;
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push @values, $value;
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}
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$sql = "INSERT INTO $table (" . join(",", @fields) . ") VALUES (" . join(",", @values) . ")";
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$dbh = DBI->connect($cfg{dsn}, $cfg{dbuser}, $cfg{dbpass});
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$affected = $dbh->do($sql);
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$dbh->disconnect();
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print "Content-type: text/html\n\n$affected\n";
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} elsif ($ENV{PATH_INFO} =~ m/destroy$/) {
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# All parameters as POST
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my ($sql, $affected);
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$sql = "DELETE FROM $table WHERE " . join(" AND ", cgi_to_where_clause($cgi, \%cfg));
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$dbh = DBI->connect($cfg{dsn}, $cfg{dbuser}, $cfg{dbpass});
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$affected = $dbh->do($sql);
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$dbh->disconnect();
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print "Content-type: text/html\n\n$affected\n";
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} elsif ($ENV{PATH_INFO} =~ m/require$/) {
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my $result = 0;
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my $dbh = DBI->connect($cfg{dsn}, $cfg{dbuser}, $cfg{dbpass});
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my $sql = "SELECT data_type, character_maximum_length FROM information_schema.tables AS t " .
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"JOIN information_schema.columns AS c " .
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"ON t.table_catalog=c.table_catalog AND " .
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"t.table_schema=c.table_schema AND " .
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"t.table_name=c.table_name " .
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"WHERE c.table_schema='$cfg{dbschema}' AND " .
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"c.table_name=? AND c.column_name=?";
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my $sth = $dbh->prepare($sql);
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foreach my $param (cgi_to_where_clause($cgi, \%cfg)) {
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my ($colname, $value) = split /=/, $param;
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my ($type, $size) = split /:/, $value;
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$sth->execute($table, $colname);
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my ($dbtype, $dblen) = $sth->fetchrow_array();
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$sth->finish();
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if ($type eq 'char') {
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if ($dbtype !~ m#char#i) {
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print STDERR "REQUIRE: $table: Type of column $colname requires char($size), but column is of type $dbtype instead!\n";
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$result = -1;
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} elsif ($dblen < $size) {
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print STDERR "REQUIRE: $table: Size of column $colname requires $size, but column is only $dblen long!\n";
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$result = -1;
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}
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} elsif ($type eq 'integer') {
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if ($dbtype =~ m#char#i and $dblen < $size) {
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print STDERR "REQUIRE: $table: Size of column $colname requires $size, but column is only $dblen long!\n";
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$result = -1;
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} elsif ($dbtype !~ m#int|float|double|dec|num#i) {
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print STDERR "REQUIRE: $table: Type of column $colname requires integer($size), but column is of type $dbtype instead!\n";
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$result = -1;
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}
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} # TODO More type checks
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}
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$dbh->disconnect();
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print "Content-type: text/html\n\n$result\n";
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} elsif ($ENV{PATH_INFO} =~ m/static$/) {
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# file parameter in GET, no POST
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my (@get, $filename, $sql, $sth);
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@get = split '&', $ENV{QUERY_STRING};
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foreach (@get) {
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my ($name, $value) = split '=';
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if (decode($name) eq 'file') {
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$filename = decode($value);
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last;
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}
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}
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$sql = "SELECT cat_metric, category, var_name, var_val FROM $table WHERE filename=" . escape_value($filename) . " AND commented=0 ORDER BY cat_metric DESC, var_metric ASC, category, var_name";
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$dbh = DBI->connect($cfg{dsn}, $cfg{dbuser}, $cfg{dbpass});
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$sth = $dbh->prepare($sql) || throw_error("Invalid query: $sql");
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$sth->execute() || throw_error("Invalid query: $sql");
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print "Content-type: text/plain\n\n";
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while (my $row = $sth->fetchrow_hashref()) {
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my @answer = ();
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foreach (keys %$row) {
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push @answer, encode($_) . "=" . encode($row->{$_});
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}
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print join("&", @answer) . "\n";
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}
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$sth->finish();
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$dbh->disconnect();
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} else {
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print "Content-type: text/plain\n\nUnknown query\n";
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}
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sub encode {
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my ($stuff) = @_;
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$stuff =~ s/([^a-zA-Z0-9_\.])/uc sprintf("%%%02x",ord($1))/eg;
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return $stuff;
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}
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sub decode {
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my ($stuff) = @_;
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$stuff =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C", hex($1))/eg;
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return $stuff;
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}
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sub isname {
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my ($name) = @_;
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if ($name =~ m#[^A-Za-z0-9_ ]#) {
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return 0;
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} else {
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return 1;
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}
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}
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sub escape_value {
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my ($value, $cfg) = @_;
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if ($cfg->{backslash_is_escape} =~ m/^(no|0|false)$/i) {
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$value =~ s#'#''#g;
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} else {
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$value =~ s#(['\\])#$1$1#g;
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}
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return $value;
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}
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sub cgi_to_where_clause {
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my ($cgi, $cfg, $get) = @_;
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my @param = ();
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foreach my $name ($cgi->param()) {
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my $value = escape_value($cgi->param($name), $cfg);
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# Ensure name isn't funny-like
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next if (!isname($name));
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next if ($get->{$name});
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if ($name =~ m# #) {
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push @param, "$name '$value'";
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} else {
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push @param, "$name='$value'";
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}
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}
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return join(" AND ", @param);
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}
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sub throw_error {
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my ($msg) = @_;
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print "Content-type: text/plain\n\n$msg\n";
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print STDERR $msg . "\n";
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exit;
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}
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