summaryrefslogtreecommitdiffstats
path: root/testserver.pl
blob: 7ee7fe9290da2ab43b01f666da409c882c68696a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
#!/usr/bin/perl
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
#
# This Source Code Form is "Incompatible With Secondary Licenses", as
# defined by the Mozilla Public License, v. 2.0.

# testserver.pl is invoked with the baseurl of the Bugzilla installation
# as its only argument.  It attempts to troubleshoot as many installation
# issues as possible.

use 5.10.1;
use strict;
use warnings;

use lib qw(. lib);

use Bugzilla;
use Bugzilla::Constants;
use Bugzilla::Util;

use Socket;

my $datadir = bz_locations()->{'datadir'};

eval "require LWP; require LWP::UserAgent;";
my $lwp = $@ ? 0 : 1;
eval "require LWP::Protocol::https;";
my $lwpssl = $@ ? 0 : 1;

if ((@ARGV != 1) || ($ARGV[0] !~ /^https?:/i))
{
    say "Usage: $0 <URL to this Bugzilla installation>";
    say "e.g.:  $0 http://www.mycompany.com/bugzilla";
    exit(1);
}


# Try to determine the GID used by the web server.
my @pscmds = ('ps -eo comm,gid', 'ps -acxo command,gid', 'ps -acxo command,rgid');
my $sgid = 0;
if (!ON_WINDOWS) {
    foreach my $pscmd (@pscmds) {
        open PH, '-|', "$pscmd 2>/dev/null";
        while (my $line = <PH>) {
            if ($line =~ /^(?:\S*\/)?(?:httpd|apache?)2?\s+(\d+)$/) {
                $sgid = $1 if $1 > $sgid;
            }
        }
        close(PH);
    }
}

# Determine the numeric GID of $webservergroup
my $webgroupnum = 0;
my $webservergroup = Bugzilla->localconfig->{webservergroup};
if ($webservergroup =~ /^(\d+)$/) {
    $webgroupnum = $1;
}
else {
    eval { $webgroupnum = (getgrnam $webservergroup) || 0; };
}

# Check $webservergroup against the server's GID
if ($sgid > 0) {
    if ($webservergroup eq "") {
        say 
"WARNING \$webservergroup is set to an empty string.
That is a very insecure practice. Please refer to the
Bugzilla documentation.";
    }
    elsif ($webgroupnum == $sgid || Bugzilla->localconfig->{use_suexec}) {
        say "TEST-OK Webserver is running under group id in \$webservergroup.";
    }
    else {
        say 
"TEST-WARNING Webserver is running under group id not matching \$webservergroup.
This if the tests below fail, this is probably the problem.
Please refer to the web server configuration section of the Bugzilla guide. 
If you are using virtual hosts or suexec, this warning may not apply.";
    }
}
elsif (!ON_WINDOWS) {
   say
"TEST-WARNING Failed to find the GID for the 'httpd' process, unable
to validate webservergroup.";
}


# Try to fetch a static file (padlock.png)
$ARGV[0] =~ s/\/$//;
my $url = $ARGV[0] . "/images/padlock.png";
if (fetch($url)) {
    say "TEST-OK Got padlock picture.";
} else {
    say 
"TEST-FAILED Fetch of images/padlock.png failed
Your web server could not fetch $url.
Check your web server configuration and try again.";
    exit(1);
}

# Try to execute a cgi script
my $response = clean_text(fetch($ARGV[0] . "/testagent.cgi"));
if ($response =~ /^OK (.*)$/) {
    say "TEST-OK Webserver is executing CGIs via $1.";
} elsif ($response =~ /^#!/) {
    say
"TEST-FAILED Webserver is fetching rather than executing CGI files.
Check the AddHandler statement in your httpd.conf file.";
    exit(1);
} else {
    say "TEST-FAILED Webserver is not executing CGI files.";
}

# Make sure that the web server is honoring .htaccess files
my $localconfig = bz_locations()->{'localconfig'};
$localconfig =~ s~^\./~~;
$url = $ARGV[0] . "/$localconfig";
$response = fetch($url);
if ($response) {
    say
"TEST-FAILED Webserver is permitting fetch of $url.
This is a serious security problem.
Check your web server configuration.";
    exit(1);
} else {
    say "TEST-OK Webserver is preventing fetch of $url.";
}

# Test chart generation
eval 'use GD';
if ($@ eq '') {
    undef $/;

    # Ensure major versions of GD and libgd match
    # Windows's GD module include libgd.dll, guaranteed to match
    if (!ON_WINDOWS) {
        my $gdlib = `gdlib-config --version 2>&1` || "";
        $gdlib =~ s/\n$//;
        if (!$gdlib) {
            say "TEST-WARNING Failed to run gdlib-config; can't compare " .
                  "GD versions.";
        }
        else {
            my $gd = $GD::VERSION;
    
            my $verstring = "GD version $gd, libgd version $gdlib";
    
            $gdlib =~ s/^([^\.]+)\..*/$1/;
            $gd =~ s/^([^\.]+)\..*/$1/;
    
            if ($gdlib == $gd) {
                say "TEST-OK $verstring; Major versions match.";
            } else {
                say "TEST-FAILED $verstring; Major versions do not match.";
            }
        }
    }

    # Test GD
    eval {
        my $image = new GD::Image(100, 100);
        my $black = $image->colorAllocate(0, 0, 0);
        my $white = $image->colorAllocate(255, 255, 255);
        my $red = $image->colorAllocate(255, 0, 0);
        my $blue = $image->colorAllocate(0, 0, 255);
        $image->transparent($white);
        $image->rectangle(0, 0, 99, 99, $black);
        $image->arc(50, 50, 95, 75, 0, 360, $blue);
        $image->fill(50, 50, $red);

        if ($image->can('png')) {
            create_file("$datadir/testgd-local.png", $image->png);
            check_image("$datadir/testgd-local.png", 'GD');
        } else {
            say "TEST-FAILED GD doesn't support PNG generation.";
        }
    };
    if ($@ ne '') {
        say "TEST-FAILED GD returned: $@";
    }

    # Test Chart
    eval 'use Chart::Lines';
    if ($@) {
        say "TEST-FAILED Chart::Lines is not installed.";
    } else {
        eval {
            my $chart = Chart::Lines->new(400, 400);

            $chart->add_pt('foo', 30, 25);
            $chart->add_pt('bar', 16, 32);

            $chart->png("$datadir/testchart-local.png");
            check_image("$datadir/testchart-local.png", "Chart");
        };
        if ($@ ne '') {
            say "TEST-FAILED Chart returned: $@";
        }
    }

    eval 'use Template::Plugin::GD::Image';
    if ($@) {
        say "TEST-FAILED Template::Plugin::GD is not installed.";
    }
    else {
        say "TEST-OK Template::Plugin::GD is installed.";
    }
}

sub fetch {
    my $url = shift;
    my $rtn;
    if ($lwp) {
        if ($url =~ /^https:/i && !$lwpssl) {
            die("You need LWP::Protocol::https installed to use https with testserver.pl");
        } else {
            my $req = HTTP::Request->new(GET => $url);
            my $ua = LWP::UserAgent->new;
            my $res = $ua->request($req);
            $rtn = ($res->is_success ? $res->content : undef);
        }
    } elsif ($url =~ /^https:/i) {
        die("You need LWP (and LWP::Protocol::https, for LWP 6.02 or newer) installed to use https with testserver.pl");
    } else {
        my($host, $port, $file) = ('', 80, '');
        if ($url =~ m#^http://([^:]+):(\d+)(/.*)#i) {
            ($host, $port, $file) = ($1, $2, $3);
        } elsif ($url =~ m#^http://([^/]+)(/.*)#i) {
            ($host, $file) = ($1, $2);
        } else {
            die("Cannot parse url");
        }

        my $proto = getprotobyname('tcp');
        socket(SOCK, PF_INET, SOCK_STREAM, $proto);
        my $sin = sockaddr_in($port, inet_aton($host));
        if (connect(SOCK, $sin)) {
            binmode SOCK;
            select((select(SOCK), $| = 1)[0]);

            # get content
            print SOCK "GET $file HTTP/1.0\015\012host: $host:$port\015\012\015\012";
            my $header = '';
            while (defined(my $line = <SOCK>)) {
                last if $line eq "\015\012";
                $header .= $line;
            }
            my $content = '';
            while (defined(my $line = <SOCK>)) {
                $content .= $line;
            }

            my ($status) = $header =~ m#^HTTP/\d+\.\d+ (\d+)#;
            $rtn = (($status =~ /^2\d\d/) ? $content : undef);
        }
    }
    return($rtn);
}

sub check_image {
    my ($local_file, $library) = @_;
    my $filedata = read_file($local_file);
    if ($filedata =~ /^\x89\x50\x4E\x47\x0D\x0A\x1A\x0A/) {
        say "TEST-OK $library library generated a good PNG image.";
        unlink $local_file;
    } else {
        say "TEST-WARNING $library library did not generate a good PNG.";
    }
}

sub create_file {
    my ($filename, $content) = @_;
    open(FH, ">", $filename)
        or die "Failed to create $filename: $!\n";
    binmode FH;
    print FH $content;
    close FH;
}

sub read_file {
    my ($filename) = @_;
    open(FH, '<', $filename)
        or die "Failed to open $filename: $!\n";
    binmode FH;
    my $content = <FH>;
    close FH;
    return $content;
}