gecko-dev/webtools/bugzilla/CGI.pl
2001-10-11 19:51:33 +00:00

1465 lines
50 KiB
Perl

# -*- Mode: perl; indent-tabs-mode: nil -*-
#
# The contents of this file are subject to the Mozilla Public
# License Version 1.1 (the "License"); you may not use this file
# except in compliance with the License. You may obtain a copy of
# the License at http://www.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS
# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
# implied. See the License for the specific language governing
# rights and limitations under the License.
#
# The Original Code is the Bugzilla Bug Tracking System.
#
# The Initial Developer of the Original Code is Netscape Communications
# Corporation. Portions created by Netscape are
# Copyright (C) 1998 Netscape Communications Corporation. All
# Rights Reserved.
#
# Contributor(s): Terry Weissman <terry@mozilla.org>
# Dan Mosedale <dmose@mozilla.org>
# Joe Robins <jmrobins@tgix.com>
# Dave Miller <justdave@syndicomm.com>
# Christopher Aillon <christopher@aillon.com>
# Gervase Markham <gerv@gerv.net>
# Christian Reis <kiko@async.com.br>
# Contains some global routines used throughout the CGI scripts of Bugzilla.
use diagnostics;
use strict;
# use Carp; # for confess
# Shut up misguided -w warnings about "used only once". For some reason,
# "use vars" chokes on me when I try it here.
# commented out the following snippet of code. this tosses errors into the
# CGI if you are perl 5.6, and doesn't if you have perl 5.003.
# We want to check for the existence of the LDAP modules here.
# eval "use Mozilla::LDAP::Conn";
# my $have_ldap = $@ ? 0 : 1;
sub CGI_pl_sillyness {
my $zz;
$zz = %::FILENAME;
$zz = %::MFORM;
$zz = %::dontchange;
}
use CGI::Carp qw(fatalsToBrowser);
require 'globals.pl';
sub GeneratePersonInput {
my ($field, $required, $def_value, $extraJavaScript) = (@_);
$extraJavaScript ||= "";
if ($extraJavaScript ne "") {
$extraJavaScript = "onChange=\"$extraJavaScript\"";
}
return "<INPUT NAME=\"$field\" SIZE=32 $extraJavaScript VALUE=\"$def_value\">";
}
sub GeneratePeopleInput {
my ($field, $def_value) = (@_);
return "<INPUT NAME=\"$field\" SIZE=45 VALUE=\"$def_value\">";
}
# Implementations of several of the below were blatently stolen from CGI.pm,
# by Lincoln D. Stein.
# Get rid of all the %xx encoding and the like from the given URL.
sub url_decode {
my ($todecode) = (@_);
$todecode =~ tr/+/ /; # pluses become spaces
$todecode =~ s/%([0-9a-fA-F]{2})/pack("c",hex($1))/ge;
return $todecode;
}
# Quotify a string, suitable for putting into a URL.
sub url_quote {
my($toencode) = (@_);
$toencode=~s/([^a-zA-Z0-9_\-.])/uc sprintf("%%%02x",ord($1))/eg;
return $toencode;
}
sub ParseUrlString {
my ($buffer, $f, $m) = (@_);
undef %$f;
undef %$m;
my %isnull;
my $remaining = $buffer;
while ($remaining ne "") {
my $item;
if ($remaining =~ /^([^&]*)&(.*)$/) {
$item = $1;
$remaining = $2;
} else {
$item = $remaining;
$remaining = "";
}
my $name;
my $value;
if ($item =~ /^([^=]*)=(.*)$/) {
$name = $1;
$value = url_decode($2);
} else {
$name = $item;
$value = "";
}
if ($value ne "") {
if (defined $f->{$name}) {
$f->{$name} .= $value;
my $ref = $m->{$name};
push @$ref, $value;
} else {
$f->{$name} = $value;
$m->{$name} = [$value];
}
} else {
$isnull{$name} = 1;
}
}
if (%isnull) {
foreach my $name (keys(%isnull)) {
if (!defined $f->{$name}) {
$f->{$name} = "";
$m->{$name} = [];
}
}
}
}
sub ProcessFormFields {
my ($buffer) = (@_);
return ParseUrlString($buffer, \%::FORM, \%::MFORM);
}
sub ProcessMultipartFormFields {
my ($boundary) = (@_);
$boundary =~ s/^-*//;
my $remaining = $ENV{"CONTENT_LENGTH"};
my $inheader = 1;
my $itemname = "";
# open(DEBUG, ">debug") || die "Can't open debugging thing";
# print DEBUG "Boundary is '$boundary'\n";
while ($remaining > 0 && ($_ = <STDIN>)) {
$remaining -= length($_);
# print DEBUG "< $_";
if ($_ =~ m/^-*$boundary/) {
# print DEBUG "Entered header\n";
$inheader = 1;
$itemname = "";
next;
}
if ($inheader) {
if (m/^\s*$/) {
$inheader = 0;
# print DEBUG "left header\n";
$::FORM{$itemname} = "";
}
if (m/^Content-Disposition:\s*form-data\s*;\s*name\s*=\s*"([^\"]+)"/i) {
$itemname = $1;
# print DEBUG "Found itemname $itemname\n";
if (m/;\s*filename\s*=\s*"([^\"]+)"/i) {
$::FILENAME{$itemname} = $1;
}
}
next;
}
$::FORM{$itemname} .= $_;
}
delete $::FORM{""};
# Get rid of trailing newlines.
foreach my $i (keys %::FORM) {
chomp($::FORM{$i});
$::FORM{$i} =~ s/\r$//;
}
}
# check and see if a given field exists, is non-empty, and is set to a
# legal value. assume a browser bug and abort appropriately if not.
# if $legalsRef is not passed, just check to make sure the value exists and
# is non-NULL
#
sub CheckFormField (\%$;\@) {
my ($formRef, # a reference to the form to check (a hash)
$fieldname, # the fieldname to check
$legalsRef # (optional) ref to a list of legal values
) = @_;
if ( !defined $formRef->{$fieldname} ||
trim($formRef->{$fieldname}) eq "" ||
(defined($legalsRef) &&
lsearch($legalsRef, $formRef->{$fieldname})<0) ){
print "A legal $fieldname was not set; ";
print Param("browserbugmessage");
PutFooter();
exit 0;
}
}
# check and see if a given field is defined, and abort if not
#
sub CheckFormFieldDefined (\%$) {
my ($formRef, # a reference to the form to check (a hash)
$fieldname, # the fieldname to check
) = @_;
if ( !defined $formRef->{$fieldname} ) {
print "$fieldname was not defined; ";
print Param("browserbugmessage");
PutFooter();
exit 0;
}
}
sub ValidateBugID {
# Validates and verifies a bug ID, making sure the number is a
# positive integer, that it represents an existing bug in the
# database, and that the user is authorized to access that bug.
my ($id) = @_;
# Make sure the bug number is a positive integer.
# Whitespace can be ignored because the SQL server will ignore it.
$id =~ /^\s*([1-9][0-9]*)\s*$/
|| DisplayError("The bug number is invalid.")
&& exit;
# Get the values of the usergroupset and userid global variables
# and write them to local variables for use within this function,
# setting those local variables to the default value of zero if
# the global variables are undefined.
# "usergroupset" stores the set of groups the user is a member of,
# while "userid" stores the user's unique ID. These variables are
# set globally by either confirm_login() or quietly_check_login(),
# one of which should be run before calling this function; otherwise
# this function will treat the user as if they were not logged in
# and throw an error if they try to access a bug that requires
# permissions/authorization to access.
my $usergroupset = $::usergroupset || 0;
my $userid = $::userid || 0;
# Query the database for the bug, retrieving a boolean value that
# represents whether or not the user is authorized to access the bug.
# Users are authorized to access bugs if they are a member of all
# groups to which the bug is restricted. User group membership and
# bug restrictions are stored as bits within bitsets, so authorization
# can be determined by comparing the intersection of the user's
# bitset with the bug's bitset. If the result matches the bug's bitset
# the user is a member of all groups to which the bug is restricted
# and is authorized to access the bug.
# A user is also authorized to access a bug if she is the reporter,
# assignee, QA contact, or member of the cc: list of the bug and the bug
# allows users in those roles to see the bug. The boolean fields
# reporter_accessible, assignee_accessible, qacontact_accessible, and
# cclist_accessible identify whether or not those roles can see the bug.
# Bit arithmetic is performed by MySQL instead of Perl because bitset
# fields in the database are 64 bits wide (BIGINT), and Perl installations
# may or may not support integers larger than 32 bits. Using bitsets
# and doing bitset arithmetic is probably not cross-database compatible,
# however, so these mechanisms are likely to change in the future.
# Get data from the database about whether or not the user belongs to
# all groups the bug is in, and who are the bug's reporter and qa_contact
# along with which roles can always access the bug.
SendSQL("SELECT ((groupset & $usergroupset) = groupset) , reporter , assigned_to , qa_contact ,
reporter_accessible , assignee_accessible , qacontact_accessible , cclist_accessible
FROM bugs
WHERE bug_id = $id");
# Make sure the bug exists in the database.
MoreSQLData()
|| DisplayError("Bug #$id does not exist.")
&& exit;
my ($isauthorized, $reporter, $assignee, $qacontact, $reporter_accessible,
$assignee_accessible, $qacontact_accessible, $cclist_accessible) = FetchSQLData();
# Finish validation and return if the user is a member of all groups to which the bug belongs.
return if $isauthorized;
# Finish validation and return if the user is in a role that has access to the bug.
if ($userid) {
return
if ($reporter_accessible && $reporter == $userid)
|| ($assignee_accessible && $assignee == $userid)
|| ($qacontact_accessible && $qacontact == $userid);
}
# Try to authorize the user one more time by seeing if they are on
# the cc: list. If so, finish validation and return.
if ( $cclist_accessible ) {
my @cclist;
SendSQL("SELECT cc.who
FROM bugs , cc
WHERE bugs.bug_id = $id
AND cc.bug_id = bugs.bug_id
");
while (my ($ccwho) = FetchSQLData()) {
# more efficient to just check the var here instead of
# creating a potentially huge array to grep against
return if ($userid == $ccwho);
}
}
# The user did not pass any of the authorization tests, which means they
# are not authorized to see the bug. Display an error and stop execution.
# The error the user sees depends on whether or not they are logged in
# (i.e. $userid contains the user's positive integer ID).
if ($userid) {
DisplayError("You are not authorized to access bug #$id.");
} else {
DisplayError(
qq|You are not authorized to access bug #$id. To see this bug, you
must first <a href="show_bug.cgi?id=$id&amp;GoAheadAndLogIn=1">log in
to an account</a> with the appropriate permissions.|
);
}
exit;
}
# check and see if a given string actually represents a positive
# integer, and abort if not.
#
sub CheckPosInt($) {
my ($number) = @_; # the fieldname to check
if ( $number !~ /^[1-9][0-9]*$/ ) {
print "Received string \"$number\" when positive integer expected; ";
print Param("browserbugmessage");
PutFooter();
exit 0;
}
}
sub FormData {
my ($field) = (@_);
return $::FORM{$field};
}
sub html_quote {
my ($var) = (@_);
$var =~ s/\&/\&amp;/g;
$var =~ s/</\&lt;/g;
$var =~ s/>/\&gt;/g;
return $var;
}
sub value_quote {
my ($var) = (@_);
$var =~ s/\&/\&amp;/g;
$var =~ s/</\&lt;/g;
$var =~ s/>/\&gt;/g;
$var =~ s/"/\&quot;/g;
# See bug http://bugzilla.mozilla.org/show_bug.cgi?id=4928 for
# explanaion of why bugzilla does this linebreak substitution.
# This caused form submission problems in mozilla (bug 22983, 32000).
$var =~ s/\r\n/\&#013;/g;
$var =~ s/\n\r/\&#013;/g;
$var =~ s/\r/\&#013;/g;
$var =~ s/\n/\&#013;/g;
return $var;
}
sub navigation_header {
if (defined $::COOKIE{"BUGLIST"} && $::COOKIE{"BUGLIST"} ne "" &&
defined $::FORM{'id'}) {
my @bugs = split(/:/, $::COOKIE{"BUGLIST"});
my $cur = lsearch(\@bugs, $::FORM{"id"});
print "<B>Bug List:</B> (@{[$cur + 1]} of @{[$#bugs + 1]})\n";
print "<A HREF=\"show_bug.cgi?id=$bugs[0]\">First</A>\n";
print "<A HREF=\"show_bug.cgi?id=$bugs[$#bugs]\">Last</A>\n";
if ($cur > 0) {
print "<A HREF=\"show_bug.cgi?id=$bugs[$cur - 1]\">Prev</A>\n";
} else {
print "<I><FONT COLOR=\#777777>Prev</FONT></I>\n";
}
if ($cur < $#bugs) {
$::next_bug = $bugs[$cur + 1];
print "<A HREF=\"show_bug.cgi?id=$::next_bug\">Next</A>\n";
} else {
print "<I><FONT COLOR=\#777777>Next</FONT></I>\n";
}
print qq{&nbsp;&nbsp;<A HREF="buglist.cgi?regetlastlist=1">Show list</A>\n};
}
print "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<A HREF=query.cgi>Query page</A>\n";
print "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<A HREF=enter_bug.cgi>Enter new bug</A>\n"
}
# Adds <link> elements for bug lists. These can be inserted into the header by
# (ab)using the "jscript" parameter to PutHeader, which inserts an arbitrary
# string into the header. This function is modelled on the one above.
sub navigation_links($) {
my ($buglist) = @_;
my $retval = "";
# We need to be able to pass in a buglist because when you sort on a column
# the bugs in the cookie you are given will still be in the old order.
# If a buglist isn't passed, we just use the cookie.
$buglist ||= $::COOKIE{"BUGLIST"};
if (defined $buglist && $buglist ne "") {
my @bugs = split(/:/, $buglist);
if (defined $::FORM{'id'}) {
# We are on an individual bug
my $cur = lsearch(\@bugs, $::FORM{"id"});
if ($cur > 0) {
$retval .= "<link rel=\"First\" href=\"show_bug.cgi?id=$bugs[0]\" />\n";
$retval .= "<link rel=\"Prev\" href=\"show_bug.cgi?id=$bugs[$cur - 1]\" />\n";
}
if ($cur < $#bugs) {
$retval .= "<link rel=\"Next\" href=\"show_bug.cgi?id=$bugs[$cur + 1]\" />\n";
$retval .= "<link rel=\"Last\" href=\"show_bug.cgi?id=$bugs[$#bugs]\" />\n";
}
$retval .= "<link rel=\"Up\" href=\"buglist.cgi?regetlastlist=1\" />\n";
$retval .= "<link rel=\"Contents\" href=\"buglist.cgi?regetlastlist=1\" />\n";
} else {
# We are on a bug list
$retval .= "<link rel=\"First\" href=\"show_bug.cgi?id=$bugs[0]\" />\n";
$retval .= "<link rel=\"Next\" href=\"show_bug.cgi?id=$bugs[0]\" />\n";
$retval .= "<link rel=\"Last\" href=\"show_bug.cgi?id=$bugs[$#bugs]\" />\n";
}
}
return $retval;
}
sub make_checkboxes {
my ($src,$default,$isregexp,$name) = (@_);
my $last = "";
my $capitalized = "";
my $popup = "";
my $found = 0;
$default = "" if !defined $default;
if ($src) {
foreach my $item (@$src) {
if ($item eq "-blank-" || $item ne $last) {
if ($item eq "-blank-") {
$item = "";
}
$last = $item;
$capitalized = $item;
$capitalized =~ tr/A-Z/a-z/;
$capitalized =~ s/^(.?)(.*)/\u$1$2/;
if ($isregexp ? $item =~ $default : $default eq $item) {
$popup .= "<INPUT NAME=$name TYPE=CHECKBOX VALUE=\"$item\" CHECKED>$capitalized<br>";
$found = 1;
} else {
$popup .= "<INPUT NAME=$name TYPE=CHECKBOX VALUE=\"$item\">$capitalized<br>";
}
}
}
}
if (!$found && $default ne "") {
$popup .= "<INPUT NAME=$name TYPE=CHECKBOX CHECKED>$default";
}
return $popup;
}
#
# make_selection_widget: creates an HTML selection widget from a list of text strings.
# $groupname is the name of the setting (form value) that this widget will control
# $src is the list of options
# you can specify a $default value which is either a string or a regex pattern to match to
# identify the default value
# $capitalize lets you optionally capitalize the option strings; the default is the value
# of Param("capitalizelists")
# $multiple is 1 if several options are selectable (default), 0 otherwise.
# $size is used for lists to control how many items are shown. The default is 7. A list of
# size 1 becomes a popup menu.
# $preferLists is 1 if selection lists should be used in favor of radio buttons and
# checkboxes, and 0 otherwise. The default is the value of Param("preferlists").
#
# The actual widget generated depends on the parameter settings:
#
# MULTIPLE PREFERLISTS SIZE RESULT
# 0 (single) 0 =1 Popup Menu (normal for list of size 1)
# 0 (single) 0 >1 Radio buttons
# 0 (single) 1 =1 Popup Menu (normal for list of size 1)
# 0 (single) 1 n>1 List of size n, single selection
# 1 (multi) 0 n/a Check boxes; size ignored
# 1 (multi) 1 n/a List of size n, multiple selection, of size n
#
sub make_selection_widget {
my ($groupname,$src,$default,$isregexp,$multiple, $size, $capitalize, $preferLists) = (@_);
my $last = "";
my $popup = "";
my $found = 0;
my $displaytext = "";
$groupname = "" if !defined $groupname;
$default = "" if !defined $default;
$capitalize = Param("capitalizelists") if !defined $capitalize;
$multiple = 1 if !defined $multiple;
$preferLists = Param("preferlists") if !defined $preferLists;
$size = 7 if !defined $size;
my $type = "LIST";
if (!$preferLists) {
if ($multiple) {
$type = "CHECKBOX";
} else {
if ($size > 1) {
$type = "RADIO";
}
}
}
if ($type eq "LIST") {
$popup .= "<SELECT NAME=\"$groupname\"";
if ($multiple) {
$popup .= " MULTIPLE";
}
$popup .= " SIZE=$size>\n";
}
if ($src) {
foreach my $item (@$src) {
if ($item eq "-blank-" || $item ne $last) {
if ($item eq "-blank-") {
$item = "";
}
$last = $item;
$displaytext = $item;
if ($capitalize) {
$displaytext =~ tr/A-Z/a-z/;
$displaytext =~ s/^(.?)(.*)/\u$1$2/;
}
if ($isregexp ? $item =~ $default : $default eq $item) {
if ($type eq "CHECKBOX") {
$popup .= "<INPUT NAME=$groupname type=checkbox VALUE=\"$item\" CHECKED>$displaytext<br>";
} elsif ($type eq "RADIO") {
$popup .= "<INPUT NAME=$groupname type=radio VALUE=\"$item\" CHECKED>$displaytext<br>";
} else {
$popup .= "<OPTION SELECTED VALUE=\"$item\">$displaytext\n";
}
$found = 1;
} else {
if ($type eq "CHECKBOX") {
$popup .= "<INPUT NAME=$groupname type=checkbox VALUE=\"$item\">$displaytext<br>";
} elsif ($type eq "RADIO") {
$popup .= "<INPUT NAME=$groupname type=radio VALUE=\"$item\">$displaytext<br>";
} else {
$popup .= "<OPTION VALUE=\"$item\">$displaytext";
}
}
}
}
}
if (!$found && $default ne "") {
if ($type eq "CHECKBOX") {
$popup .= "<INPUT NAME=$groupname type=checkbox CHECKED>$default";
} elsif ($type eq "RADIO") {
$popup .= "<INPUT NAME=$groupname type=radio checked>$default";
} else {
$popup .= "<OPTION SELECTED>$default\n";
}
}
if ($type eq "LIST") {
$popup .= "</SELECT>";
}
return $popup;
}
$::CheckOptionValues = 1;
sub make_options {
my ($src,$default,$isregexp) = (@_);
my $last = "";
my $popup = "";
my $found = 0;
$default = "" if !defined $default;
if ($src) {
foreach my $item (@$src) {
if ($item eq "-blank-" || $item ne $last) {
if ($item eq "-blank-") {
$item = "";
}
$last = $item;
if ($isregexp ? $item =~ $default : $default eq $item) {
$popup .= "<OPTION SELECTED VALUE=\"$item\">$item\n";
$found = 1;
} else {
$popup .= "<OPTION VALUE=\"$item\">$item\n";
}
}
}
}
if (!$found && $default ne "") {
if ( Param("strictvaluechecks") && $::CheckOptionValues &&
($default ne $::dontchange) && ($default ne "-All-") &&
($default ne "DUPLICATE") ) {
print "Possible bug database corruption has been detected. " .
"Please send mail to " . Param("maintainer") . " with " .
"details of what you were doing when this message " .
"appeared. Thank you.\n";
if (!$src) {
$src = ["???null???"];
}
print "<pre>src = " . value_quote(join(' ', @$src)) . "\n";
print "default = " . value_quote($default) . "</pre>";
PutFooter();
# confess "Gulp.";
exit 0;
} else {
$popup .= "<OPTION SELECTED>$default\n";
}
}
return $popup;
}
sub make_popup {
my ($name,$src,$default,$listtype,$onchange) = (@_);
my $popup = "<SELECT NAME=$name";
if ($listtype > 0) {
$popup .= " SIZE=5";
if ($listtype == 2) {
$popup .= " MULTIPLE";
}
}
if (defined $onchange && $onchange ne "") {
$popup .= " onchange=$onchange";
}
$popup .= ">" . make_options($src, $default,
($listtype == 2 && $default ne ""));
$popup .= "</SELECT>";
return $popup;
}
sub BuildPulldown {
my ($name, $valuelist, $default) = (@_);
my $entry = qq{<SELECT NAME="$name">};
foreach my $i (@$valuelist) {
my ($tag, $desc) = (@$i);
my $selectpart = "";
if ($tag eq $default) {
$selectpart = " SELECTED";
}
if (!defined $desc) {
$desc = $tag;
}
$entry .= qq{<OPTION$selectpart VALUE="$tag">$desc\n};
}
$entry .= qq{</SELECT>};
return $entry;
}
sub PasswordForLogin {
my ($login) = (@_);
SendSQL("select cryptpassword from profiles where login_name = " .
SqlQuote($login));
my $result = FetchOneColumn();
if (!defined $result) {
$result = "";
}
return $result;
}
sub quietly_check_login() {
$::usergroupset = '0';
my $loginok = 0;
$::disabledreason = '';
$::userid = 0;
if (defined $::COOKIE{"Bugzilla_login"} &&
defined $::COOKIE{"Bugzilla_logincookie"}) {
ConnectToDatabase();
if (!defined $ENV{'REMOTE_HOST'}) {
$ENV{'REMOTE_HOST'} = $ENV{'REMOTE_ADDR'};
}
SendSQL("SELECT profiles.userid, profiles.groupset, " .
"profiles.login_name, " .
"profiles.login_name = " .
SqlQuote($::COOKIE{"Bugzilla_login"}) .
" AND profiles.cryptpassword = logincookies.cryptpassword " .
"AND logincookies.hostname = " .
SqlQuote($ENV{"REMOTE_HOST"}) .
", profiles.disabledtext " .
" FROM profiles, logincookies WHERE logincookies.cookie = " .
SqlQuote($::COOKIE{"Bugzilla_logincookie"}) .
" AND profiles.userid = logincookies.userid");
my @row;
if (@row = FetchSQLData()) {
my ($userid, $groupset, $loginname, $ok, $disabledtext) = (@row);
if ($ok) {
if ($disabledtext eq '') {
$loginok = 1;
$::userid = $userid;
$::usergroupset = $groupset;
$::COOKIE{"Bugzilla_login"} = $loginname; # Makes sure case
# is in
# canonical form.
} else {
$::disabledreason = $disabledtext;
}
}
}
}
# if 'who' is passed in, verify that it's a good value
if ($::FORM{'who'}) {
my $whoid = DBname_to_id($::FORM{'who'});
delete $::FORM{'who'} unless $whoid;
}
if (!$loginok) {
delete $::COOKIE{"Bugzilla_login"};
}
return $loginok;
}
sub CheckEmailSyntax {
my ($addr) = (@_);
my $match = Param('emailregexp');
if ($addr !~ /$match/ || $addr =~ /[\\\(\)<>&,;:"\[\] \t\r\n]/) {
print "Content-type: text/html\n\n";
# For security, escape HTML special characters.
$addr = html_quote($addr);
PutHeader("Check e-mail syntax");
print "The e-mail address you entered\n";
print "(<b>$addr</b>) didn't match our minimal\n";
print "syntax checking for a legal email address.\n";
print Param('emailregexpdesc') . "\n";
print "It must also not contain any of these special characters: " .
"<tt>\\ ( ) &amp; &lt; &gt; , ; : \" [ ]</tt> " .
"or any whitespace.\n";
print "<p>Please click <b>Back</b> and try again.\n";
PutFooter();
exit;
}
}
sub MailPassword {
my ($login, $password) = (@_);
my $urlbase = Param("urlbase");
my $template = Param("passwordmail");
my $msg = PerformSubsts($template,
{"mailaddress" => $login . Param('emailsuffix'),
"login" => $login,
"password" => $password});
open SENDMAIL, "|/usr/lib/sendmail -t";
print SENDMAIL $msg;
close SENDMAIL;
print "The password for the e-mail address\n";
print "$login has been e-mailed to that address.\n";
print "<p>When the e-mail arrives, you can click <b>Back</b>\n";
print "and enter your password in the form there.\n";
}
sub confirm_login {
my ($nexturl) = (@_);
# Uncommenting the next line can help debugging...
# print "Content-type: text/plain\n\n";
ConnectToDatabase();
# I'm going to reorganize some of this stuff a bit. Since we're adding
# a second possible validation method (LDAP), we need to move some of this
# to a later section. -Joe Robins, 8/3/00
my $enteredlogin = "";
my $realcryptpwd = "";
# If the form contains Bugzilla login and password fields, use Bugzilla's
# built-in authentication to authenticate the user (otherwise use LDAP below).
if (defined $::FORM{"Bugzilla_login"} && defined $::FORM{"Bugzilla_password"}) {
# Make sure the user's login name is a valid email address.
$enteredlogin = $::FORM{"Bugzilla_login"};
CheckEmailSyntax($enteredlogin);
# Retrieve the user's ID and crypted password from the database.
my $userid;
SendSQL("SELECT userid, cryptpassword FROM profiles
WHERE login_name = " . SqlQuote($enteredlogin));
($userid, $realcryptpwd) = FetchSQLData();
# Make sure the user exists or throw an error (but do not admit it was a username
# error to make it harder for a cracker to find account names by brute force).
$userid
|| DisplayError("The username or password you entered is not valid.")
&& exit;
# If this is a new user, generate a password, insert a record
# into the database, and email their password to them.
if ( defined $::FORM{"PleaseMailAPassword"} && !$userid ) {
my $password = InsertNewUser($enteredlogin, "");
print "Content-Type: text/html\n\n";
PutHeader("Account Created");
MailPassword($enteredlogin, $password);
PutFooter();
exit;
}
# Otherwise, authenticate the user.
else {
# Get the salt from the user's crypted password.
my $salt = $realcryptpwd;
# Using the salt, crypt the password the user entered.
my $enteredCryptedPassword = crypt( $::FORM{"Bugzilla_password"} , $salt );
# Make sure the passwords match or throw an error.
($enteredCryptedPassword eq $realcryptpwd)
|| DisplayError("The username or password you entered is not valid.")
&& exit;
# If the user has successfully logged in, delete any password tokens
# lying around in the system for them.
use Token;
my $token = Token::HasPasswordToken($userid);
while ( $token ) {
Token::Cancel($token, "user logged in");
$token = Token::HasPasswordToken($userid);
}
}
} elsif (Param("useLDAP") &&
defined $::FORM{"LDAP_login"} &&
defined $::FORM{"LDAP_password"}) {
# If we're using LDAP for login, we've got an entirely different
# set of things to check.
# see comment at top of file near eval
# First, if we don't have the LDAP modules available to us, we can't
# do this.
# if(!$have_ldap) {
# print "Content-type: text/html\n\n";
# PutHeader("LDAP not enabled");
# print "The necessary modules for LDAP login are not installed on ";
# print "this machine. Please send mail to ".Param("maintainer");
# print " and notify him of this problem.\n";
# PutFooter();
# exit;
# }
# Next, we need to bind anonymously to the LDAP server. This is
# because we need to get the Distinguished Name of the user trying
# to log in. Some servers (such as iPlanet) allow you to have unique
# uids spread out over a subtree of an area (such as "People"), so
# just appending the Base DN to the uid isn't sufficient to get the
# user's DN. For servers which don't work this way, there will still
# be no harm done.
my $LDAPserver = Param("LDAPserver");
if ($LDAPserver eq "") {
print "Content-type: text/html\n\n";
PutHeader("LDAP server not defined");
print "The LDAP server for authentication has not been defined. ";
print "Please contact ".Param("maintainer")." ";
print "and notify him of this problem.\n";
PutFooter();
exit;
}
my $LDAPport = "389"; #default LDAP port
if($LDAPserver =~ /:/) {
($LDAPserver, $LDAPport) = split(":",$LDAPserver);
}
my $LDAPconn = new Mozilla::LDAP::Conn($LDAPserver,$LDAPport);
if(!$LDAPconn) {
print "Content-type: text/html\n\n";
PutHeader("Unable to connect to LDAP server");
print "I was unable to connect to the LDAP server for user ";
print "authentication. Please contact ".Param("maintainer");
print " and notify him of this problem.\n";
PutFooter();
exit;
}
# We've got our anonymous bind; let's look up this user.
my $dnEntry = $LDAPconn->search(Param("LDAPBaseDN"),"subtree","uid=".$::FORM{"LDAP_login"});
if(!$dnEntry) {
print "Content-type: text/html\n\n";
PutHeader("Login Failed");
print "The username or password you entered is not valid.\n";
print "Please click <b>Back</b> and try again.\n";
PutFooter();
exit;
}
# Now we get the DN from this search. Once we've got that, we're
# done with the anonymous bind, so we close it.
my $userDN = $dnEntry->getDN;
$LDAPconn->close;
# Now we attempt to bind as the specified user.
$LDAPconn = new Mozilla::LDAP::Conn($LDAPserver,$LDAPport,$userDN,$::FORM{"LDAP_password"});
if(!$LDAPconn) {
print "Content-type: text/html\n\n";
PutHeader("Login Failed");
print "The username or password you entered is not valid.\n";
print "Please click <b>Back</b> and try again.\n";
PutFooter();
exit;
}
# And now we're going to repeat the search, so that we can get the
# mail attribute for this user.
my $userEntry = $LDAPconn->search(Param("LDAPBaseDN"),"subtree","uid=".$::FORM{"LDAP_login"});
if(!$userEntry->exists(Param("LDAPmailattribute"))) {
print "Content-type: text/html\n\n";
PutHeader("LDAP authentication error");
print "I was unable to retrieve the ".Param("LDAPmailattribute");
print " attribute from the LDAP server. Please contact ";
print Param("maintainer")." and notify him of this error.\n";
PutFooter();
exit;
}
# Mozilla::LDAP::Entry->getValues returns an array for the attribute
# requested, even if there's only one entry.
$enteredlogin = ($userEntry->getValues(Param("LDAPmailattribute")))[0];
# We're going to need the cryptpwd for this user from the database
# so that we can set the cookie below, even though we're not going
# to use it for authentication.
$realcryptpwd = PasswordForLogin($enteredlogin);
# If we don't get a result, then we've got a user who isn't in
# Bugzilla's database yet, so we've got to add them.
if($realcryptpwd eq "") {
# We'll want the user's name for this.
my $userRealName = ($userEntry->getValues("displayName"))[0];
if($userRealName eq "") {
$userRealName = ($userEntry->getValues("cn"))[0];
}
InsertNewUser($enteredlogin, $userRealName);
$realcryptpwd = PasswordForLogin($enteredlogin);
}
} # end LDAP authentication
# And now, if we've logged in via either method, then we need to set
# the cookies.
if($enteredlogin ne "") {
$::COOKIE{"Bugzilla_login"} = $enteredlogin;
if (!defined $ENV{'REMOTE_HOST'}) {
$ENV{'REMOTE_HOST'} = $ENV{'REMOTE_ADDR'};
}
SendSQL("insert into logincookies (userid,cryptpassword,hostname) values (@{[DBNameToIdAndCheck($enteredlogin)]}, @{[SqlQuote($realcryptpwd)]}, @{[SqlQuote($ENV{'REMOTE_HOST'})]})");
SendSQL("select LAST_INSERT_ID()");
my $logincookie = FetchOneColumn();
$::COOKIE{"Bugzilla_logincookie"} = $logincookie;
print "Set-Cookie: Bugzilla_login=$enteredlogin ; path=/; expires=Sun, 30-Jun-2029 00:00:00 GMT\n";
print "Set-Cookie: Bugzilla_logincookie=$logincookie ; path=/; expires=Sun, 30-Jun-2029 00:00:00 GMT\n";
# This next one just cleans out any old bugzilla passwords that may
# be sitting around in the cookie files, from the bad old days when
# we actually stored the password there.
print "Set-Cookie: Bugzilla_password= ; path=/; expires=Sun, 30-Jun-80 00:00:00 GMT\n";
}
my $loginok = quietly_check_login();
if ($loginok != 1) {
if ($::disabledreason) {
print "Set-Cookie: Bugzilla_login= ; path=/; expires=Sun, 30-Jun-80 00:00:00 GMT
Set-Cookie: Bugzilla_logincookie= ; path=/; expires=Sun, 30-Jun-80 00:00:00 GMT
Set-Cookie: Bugzilla_password= ; path=/; expires=Sun, 30-Jun-80 00:00:00 GMT
Content-type: text/html
";
PutHeader("Your account has been disabled");
print $::disabledreason;
print "<HR>\n";
print "If you believe your account should be restored, please\n";
print "send email to " . Param("maintainer") . " explaining\n";
print "why.\n";
PutFooter();
exit();
}
print "Content-type: text/html\n\n";
PutHeader("Login");
if(Param("useLDAP")) {
print "I need a legitimate LDAP username and password to continue.\n";
} else {
print "I need a legitimate e-mail address and password to continue.\n";
}
if (!defined $nexturl || $nexturl eq "") {
# Sets nexturl to be argv0, stripping everything up to and
# including the last slash (or backslash on Windows).
$0 =~ m:[^/\\]*$:;
$nexturl = $&;
}
my $method = "POST";
# We always want to use POST here, because we're submitting a password and don't
# want to see it in the location bar in the browser in case a co-worker is looking
# over your shoulder. If you have cookies off and need to bookmark the query, you
# can bookmark it from the screen asking for your password, and it should still
# work. See http://bugzilla.mozilla.org/show_bug.cgi?id=15980
# if (defined $ENV{"REQUEST_METHOD"} && length($::buffer) > 1) {
# $method = $ENV{"REQUEST_METHOD"};
# }
print "
<FORM action=$nexturl method=$method>
<table>
<tr>";
if(Param("useLDAP")) {
print "
<td align=right><b>Username:</b></td>
<td><input size=10 name=LDAP_login></td>
</tr>
<tr>
<td align=right><b>Password:</b></td>
<td><input type=password size=10 name=LDAP_password></td>";
} else {
print "
<td align=right><b>E-mail address:</b></td>
<td><input size=35 name=Bugzilla_login></td>
</tr>
<tr>
<td align=right><b>Password:</b></td>
<td><input type=password size=35 name=Bugzilla_password></td>";
}
print "
</tr>
</table>
";
# Add all the form fields into the form as hidden fields
# (except for Bugzilla_login and Bugzilla_password which we
# already added as text fields above).
foreach my $i ( grep( $_ !~ /^Bugzilla_/ , keys %::FORM ) ) {
print qq|<input type="hidden" name="$i" value="@{[value_quote($::FORM{$i})]}">\n|;
}
print qq|
<input type="submit" name="GoAheadAndLogIn" value="Login">
</form>
|;
# Allow the user to request a token to change their password (unless
# we are using LDAP, in which case the user must use LDAP to change it).
unless( Param("useLDAP") ) {
print qq|
<hr>
<form method="get" action="token.cgi">
<input type="hidden" name="a" value="reqpw">
If you have forgotten your password,
enter your login name below and submit a request
to change your password.<br>
<input size="35" name="loginname">
<input type="submit" value="Submit Request">
</form>
<hr>
If you don't have a Bugzilla account, you can <a href="createaccount.cgi">create a new account</a>.
|;
}
# This seems like as good as time as any to get rid of old
# crufty junk in the logincookies table. Get rid of any entry
# that hasn't been used in a month.
if ($::dbwritesallowed) {
SendSQL("DELETE FROM logincookies " .
"WHERE TO_DAYS(NOW()) - TO_DAYS(lastused) > 30");
}
PutFooter();
exit;
}
# Update the timestamp on our logincookie, so it'll keep on working.
if ($::dbwritesallowed) {
SendSQL("UPDATE logincookies SET lastused = null " .
"WHERE cookie = $::COOKIE{'Bugzilla_logincookie'}");
}
return $::userid;
}
sub PutHeader {
my ($title, $h1, $h2, $extra, $jscript) = (@_);
if (!defined $h1) {
$h1 = $title;
}
if (!defined $h2) {
$h2 = "";
}
if (!defined $extra) {
$extra = "";
}
$jscript ||= "";
# If we are shutdown, we want a very basic page to give that
# information. Also, the page title should indicate that
# we are down.
if (Param('shutdownhtml')) {
$title = "Bugzilla is Down";
$h1 = "Bugzilla is currently down";
$h2 = "";
$extra = "";
$jscript = "";
}
print qq|
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<HTML>
<HEAD>
<TITLE>$title</TITLE>
| . Param("headerhtml") . qq|
$jscript
</HEAD>
<BODY | . Param("bodyhtml") . qq| $extra>
| . PerformSubsts(Param("bannerhtml"), undef) . qq|
<TABLE BORDER="0" CELLSPACING="0">
<TR>
<TD VALIGN="TOP" ALIGN="LEFT">
<TABLE BORDER="0" CELLPADDING="0" CELLSPACING="2">
<TR><TD VALIGN="TOP" ALIGN="LEFT">
<FONT SIZE="+1">
<B>$h1</B>
</FONT>
</TD></TR>
</TABLE>
</TD>
<TD VALIGN="MIDDLE">&nbsp;</TD>
<TD VALIGN="MIDDLE" ALIGN="LEFT">
$h2
</TD></TR></TABLE>
|;
if (Param("shutdownhtml")) {
# If we are dealing with the params page, we want
# to ignore shutdownhtml
if ($0 !~ m:[\\/](do)?editparams.cgi$:) {
print "<p>\n";
print Param("shutdownhtml");
exit;
}
}
}
# Putfooter echoes footerhtml and by default prints closing tags
#
# param
# dontclose (boolean): avoid sending </body></html>
#
# Example:
# Putfooter(); # normal close
# Putfooter(1); # don't send closing tags
sub PutFooter {
my ( $dontclose ) = @_;
print PerformSubsts(Param("footerhtml"));
print "\n</body></html>\n" if ( ! $dontclose );
SyncAnyPendingShadowChanges();
}
sub DisplayError {
my ($message, $title) = (@_);
$title ||= "Error";
print "Content-type: text/html\n\n";
PutHeader($title);
print PerformSubsts( Param("errorhtml") , {errormsg => $message} );
PutFooter();
return 1;
}
sub PuntTryAgain ($) {
my ($str) = (@_);
print PerformSubsts(Param("errorhtml"),
{errormsg => $str});
SendSQL("UNLOCK TABLES");
PutFooter();
exit;
}
sub CheckIfVotedConfirmed {
my ($id, $who) = (@_);
SendSQL("SELECT bugs.votes, bugs.bug_status, products.votestoconfirm, " .
" bugs.everconfirmed " .
"FROM bugs, products " .
"WHERE bugs.bug_id = $id AND products.product = bugs.product");
my ($votes, $status, $votestoconfirm, $everconfirmed) = (FetchSQLData());
if ($votes >= $votestoconfirm && $status eq $::unconfirmedstate) {
SendSQL("UPDATE bugs SET bug_status = 'NEW', everconfirmed = 1 " .
"WHERE bug_id = $id");
my $fieldid = GetFieldID("bug_status");
SendSQL("INSERT INTO bugs_activity " .
"(bug_id,who,bug_when,fieldid,removed,added) VALUES " .
"($id,$who,now(),$fieldid,'$::unconfirmedstate','NEW')");
if (!$everconfirmed) {
$fieldid = GetFieldID("everconfirmed");
SendSQL("INSERT INTO bugs_activity " .
"(bug_id,who,bug_when,fieldid,removed,added) VALUES " .
"($id,$who,now(),$fieldid,'0','1')");
}
AppendComment($id, DBID_to_name($who),
"*** This bug has been confirmed by popular vote. ***");
print "<TABLE BORDER=1><TD><H2>Bug $id has been confirmed by votes.</H2>\n";
system("./processmail", $id);
print "<TD><A HREF=\"show_bug.cgi?id=$id\">Go To BUG# $id</A></TABLE>\n";
}
}
sub DumpBugActivity {
my ($id, $starttime) = (@_);
my $datepart = "";
die "Invalid id: $id" unless $id=~/^\s*\d+\s*$/;
if (defined $starttime) {
$datepart = "and bugs_activity.bug_when >= $starttime";
}
my $query = "
SELECT IFNULL(fielddefs.description, bugs_activity.fieldid),
bugs_activity.attach_id,
bugs_activity.bug_when,
bugs_activity.removed, bugs_activity.added,
profiles.login_name
FROM bugs_activity LEFT JOIN fielddefs ON
bugs_activity.fieldid = fielddefs.fieldid,
profiles
WHERE bugs_activity.bug_id = $id $datepart
AND profiles.userid = bugs_activity.who
ORDER BY bugs_activity.bug_when";
SendSQL($query);
# Instead of outright printing this, we are going to store it in a $html
# variable and print it and the end. This is so we can explain ? (if nesc.)
# at the top of the activity table rather than the botom.
my $html = "";
$html .= "<table border cellpadding=4>\n";
$html .= "<tr>\n";
$html .= " <th>Who</th><th>What</th><th>Removed</th><th>Added</th><th>When</th>\n";
$html .= "</tr>\n";
my @row;
my $incomplete_data = 0;
while (@row = FetchSQLData()) {
my ($field,$attachid,$when,$removed,$added,$who) = (@row);
$field =~ s/^Attachment/<a href="attachment.cgi?id=$attachid&amp;action=view">Attachment #$attachid<\/a>/
if (Param('useattachmenttracker') && $attachid);
$removed = html_quote($removed);
$added = html_quote($added);
$removed = "&nbsp;" if $removed eq "";
$added = "&nbsp;" if $added eq "";
if ($added =~ /^\?/ || $removed =~ /^\?/) {
$incomplete_data = 1;
}
$html .= "<tr>\n";
$html .= "<td>$who</td>\n";
$html .= "<td>$field</td>\n";
$html .= "<td>$removed</td>\n";
$html .= "<td>$added</td>\n";
$html .= "<td>$when</td>\n";
$html .= "</tr>\n";
}
$html .= "</table>\n";
if ($incomplete_data) {
print "There was a bug in older versions of Bugzilla which caused activity data \n";
print "to be lost if there was a large number of cc's or dependencies. That \n";
print "has been fixed, however, there was some data already lost on this bug \n";
print "that could not be regenerated. The changes that the script could not \n";
print "reliably determine are prefixed by '?'\n";
print "<p>\n";
}
print $html;
}
sub GetCommandMenu {
my $loggedin = quietly_check_login();
if (!defined $::anyvotesallowed) {
GetVersionTable();
}
my $html = qq {
<FORM METHOD="GET" ACTION="show_bug.cgi">
<TABLE width="100%"><TR><TD>
Actions:
</TD><TD VALIGN="middle" NOWRAP>
<a href="enter_bug.cgi">New</a> |
<a href="query.cgi">Query</a> |
};
if (-e "query2.cgi") {
$html .= "[<a href=\"query2.cgi\">beta</a>]";
}
$html .= qq{
<INPUT TYPE="SUBMIT" VALUE="Find"> bug \#
<INPUT NAME="id" SIZE="6">
| <a href="reports.cgi">Reports</a>
};
if ($loggedin) {
if ($::anyvotesallowed) {
$html .= " | <A HREF=\"showvotes.cgi\">My votes</A>\n";
}
}
if ($loggedin) {
#a little mandatory SQL, used later on
SendSQL("SELECT mybugslink, userid, blessgroupset FROM profiles " .
"WHERE login_name = " . SqlQuote($::COOKIE{'Bugzilla_login'}));
my ($mybugslink, $userid, $blessgroupset) = (FetchSQLData());
#Begin settings
$html .= qq{
</TD><TD>
&nbsp;
</TD><TD VALIGN="middle">
Edit <a href="userprefs.cgi">prefs</a>
};
if (UserInGroup("tweakparams")) {
$html .= ", <a href=\"editparams.cgi\">parameters</a>\n";
}
if (UserInGroup("editusers") || $blessgroupset) {
$html .= ", <a href=\"editusers.cgi\">users</a>\n";
}
if (UserInGroup("editcomponents")) {
$html .= ", <a href=\"editproducts.cgi\">components</a>\n";
$html .= ", <a href=\"editattachstatuses.cgi\">
attachment&nbsp;statuses</a>\n" if Param('useattachmenttracker');
}
if (UserInGroup("creategroups")) {
$html .= ", <a href=\"editgroups.cgi\">groups</a>\n";
}
if (UserInGroup("editkeywords")) {
$html .= ", <a href=\"editkeywords.cgi\">keywords</a>\n";
}
if (UserInGroup("tweakparams")) {
$html .= "| <a href=\"sanitycheck.cgi\">Sanity&nbsp;check</a> |\n";
}
$html .= qq{
| <a href="relogin.cgi">Log&nbsp;out</a> $::COOKIE{'Bugzilla_login'}
</TD></TR>
};
#begin preset queries
my $mybugstemplate = Param("mybugstemplate");
my %substs;
$substs{'userid'} = url_quote($::COOKIE{"Bugzilla_login"});
$html .= "<TR>";
$html .= "<TD>Preset&nbsp;Queries: </TD>";
$html .= "<TD colspan=3>\n";
if ($mybugslink) {
my $mybugsurl = PerformSubsts($mybugstemplate, \%substs);
$html = $html . "<A HREF=\"$mybugsurl\">My&nbsp;bugs</A>\n";
}
SendSQL("SELECT name FROM namedqueries " .
"WHERE userid = $userid AND linkinfooter");
my $anynamedqueries = 0;
while (MoreSQLData()) {
my ($name) = (FetchSQLData());
my $disp_name = $name;
$disp_name =~ s/ /&nbsp;/g;
if ($anynamedqueries || $mybugslink) { $html .= " | " }
$anynamedqueries = 1;
$html .= "<A HREF=\"buglist.cgi?cmdtype=runnamed&amp;namedcmd=" .
url_quote($name) . "\">$disp_name</A>\n";
}
$html .= "</TD></TR>\n";
} else {
$html .= "</TD><TD>&nbsp;</TD><TD valign=\"middle\" align=\"right\">\n";
$html .=
" <a href=\"createaccount.cgi\">New&nbsp;account</a>\n";
$html .=
" | <a href=\"query.cgi?GoAheadAndLogIn=1\">Log&nbsp;in</a>";
$html .= "</TD></TR>";
}
$html .= "</TABLE>";
$html .= "</FORM>\n";
return $html;
}
############# Live code below here (that is, not subroutine defs) #############
$| = 1;
# Uncommenting this next line can help debugging.
# print "Content-type: text/html\n\nHello mom\n";
# foreach my $k (sort(keys %ENV)) {
# print "$k $ENV{$k}<br>\n";
# }
if (defined $ENV{"REQUEST_METHOD"}) {
if ($ENV{"REQUEST_METHOD"} eq "GET") {
if (defined $ENV{"QUERY_STRING"}) {
$::buffer = $ENV{"QUERY_STRING"};
} else {
$::buffer = "";
}
ProcessFormFields $::buffer;
} else {
if (exists($ENV{"CONTENT_TYPE"}) && $ENV{"CONTENT_TYPE"} =~
m@multipart/form-data; boundary=\s*([^; ]+)@) {
ProcessMultipartFormFields($1);
$::buffer = "";
} else {
read STDIN, $::buffer, $ENV{"CONTENT_LENGTH"} ||
die "Couldn't get form data";
ProcessFormFields $::buffer;
}
}
}
if (defined $ENV{"HTTP_COOKIE"}) {
foreach my $pair (split(/;/, $ENV{"HTTP_COOKIE"})) {
$pair = trim($pair);
if ($pair =~ /^([^=]*)=(.*)$/) {
$::COOKIE{$1} = $2;
} else {
$::COOKIE{$pair} = "";
}
}
}
1;