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1#!/usr/bin/perl
2
3# Copyright (C) 2006 Alexey Proskuryakov (ap@nypop.com)
4#
5# Redistribution and use in source and binary forms, with or without
6# modification, are permitted provided that the following conditions
7# are met:
8#
9# 1.  Redistributions of source code must retain the above copyright
10#     notice, this list of conditions and the following disclaimer.
11# 2.  Redistributions in binary form must reproduce the above copyright
12#     notice, this list of conditions and the following disclaimer in the
13#     documentation and/or other materials provided with the distribution.
14# 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
15#     its contributors may be used to endorse or promote products derived
16#     from this software without specific prior written permission.
17#
18# THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
19# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21# DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
22# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
25# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28
29# A script to semi-automatically run mangleme tests.
30
31use strict;
32use warnings;
33
34use Cwd;
35use File::Spec;
36use FindBin;
37use Getopt::Long;
38use IPC::Open2;
39
40use lib $FindBin::Bin;
41use webkitdirs;
42
43sub openHTTPDIfNeeded();
44sub closeHTTPD();
45sub runSafariWithMangleme();
46
47# Argument handling
48my $guardMalloc = '';
49my $httpdPort = 8000;
50my $downloadTest;
51
52GetOptions(
53    'guard-malloc|g' => \$guardMalloc,
54    'get=s' => \$downloadTest,
55    'port=i' => \$httpdPort
56);
57
58
59setConfiguration();
60my $productDir = productDir();
61
62chdirWebKit();
63
64checkFrameworks();
65
66mkdir "WebKitBuild/mangleme";
67(system "/usr/bin/make", "-C", "Tools/mangleme") == 0 or die;
68
69my $httpdOpen = 0;
70openHTTPDIfNeeded();
71
72if ($downloadTest) {
73    system "/usr/bin/curl -o ~/Desktop/mangleme$downloadTest.html http://127.0.0.1:$httpdPort/remangle.cgi?$downloadTest";
74    print "Saved the test as mangleme$downloadTest.html on the desktop\n";
75} else {
76    runSafariWithMangleme();
77    print "Last generated tests:\n";
78    system "grep 'Mangle attempt' /tmp/WebKit/error_log.txt | tail -n -5 | awk ' {print \$4}'";
79}
80
81closeHTTPD();
82
83
84sub runSafariWithMangleme()
85{
86    my $redirectTo;
87    if (@ARGV) {
88        $redirectTo = "http://127.0.0.1:$httpdPort/remangle.cgi?$ARGV[0]";
89    } else {
90        $redirectTo = "http://127.0.0.1:$httpdPort/mangle.cgi";
91    }
92
93    open REDIRECT_HTML, ">", "/tmp/WebKit/redirect.html" or die;
94    print REDIRECT_HTML "<html>\n";
95    print REDIRECT_HTML "    <head>\n";
96    print REDIRECT_HTML "        <meta http-equiv=\"refresh\" content=\"1;URL=$redirectTo\" />\n";
97    print REDIRECT_HTML "        <script type=\"text/javascript\">\n";
98    print REDIRECT_HTML "            document.location = \"$redirectTo\";\n";
99    print REDIRECT_HTML "        </script>\n";
100    print REDIRECT_HTML "    </head>\n";
101    print REDIRECT_HTML "    <body>\n";
102    print REDIRECT_HTML "    </body>\n";
103    print REDIRECT_HTML "</html>\n";
104    close REDIRECT_HTML;
105
106    local %ENV;
107    $ENV{DYLD_INSERT_LIBRARIES} = "/usr/lib/libgmalloc.dylib" if $guardMalloc;
108    system "Tools/Scripts/run-safari", "-NSOpen", "/tmp/WebKit/redirect.html";
109}
110
111sub openHTTPDIfNeeded()
112{
113    return if $httpdOpen;
114
115    mkdir "/tmp/WebKit";
116
117    if (-f "/tmp/WebKit/httpd.pid") {
118        my $oldPid = `cat /tmp/WebKit/httpd.pid`;
119        chomp $oldPid;
120        if (0 != kill 0, $oldPid) {
121            print "\nhttpd is already running: pid $oldPid, killing...\n";
122            kill 15, $oldPid;
123
124            my $retryCount = 20;
125            while ((0 != kill 0, $oldPid) && $retryCount) {
126                sleep 1;
127                --$retryCount;
128            }
129
130            die "Timed out waiting for httpd to quit" unless $retryCount;
131        }
132    }
133
134    my $testDirectory = getcwd() . "/LayoutTests";
135    my $manglemeDirectory = getcwd() . "/WebKitBuild/mangleme";
136    my $httpdPath = "/usr/sbin/httpd";
137    my $httpdConfig = "$testDirectory/http/conf/httpd.conf";
138    $httpdConfig = "$testDirectory/http/conf/apache2-httpd.conf" if `$httpdPath -v` =~ m|Apache/2|;
139    my $documentRoot = "$manglemeDirectory";
140    my $typesConfig = "$testDirectory/http/conf/mime.types";
141    my $sslCertificate = "$testDirectory/http/conf/webkit-httpd.pem";
142    my $listen = "127.0.0.1:$httpdPort";
143
144    open2(\*HTTPDIN, \*HTTPDOUT, $httpdPath,
145        "-f", "$httpdConfig",
146        "-C", "DocumentRoot \"$documentRoot\"",
147        "-C", "Listen $listen",
148        "-c", "TypesConfig \"$typesConfig\"",
149        "-c", "CustomLog \"/tmp/WebKit/access_log.txt\" common",
150        "-c", "ErrorLog \"/tmp/WebKit/error_log.txt\"",
151        "-c", "SSLCertificateFile \"$sslCertificate\"",
152        # Apache wouldn't run CGIs with permissions==700 otherwise
153        "-c", "User \"#$<\"");
154
155    my $retryCount = 20;
156    while (system("/usr/bin/curl -q --silent --stderr - --output " . File::Spec->devnull() . " $listen") && $retryCount) {
157        sleep 1;
158        --$retryCount;
159    }
160
161    die "Timed out waiting for httpd to start" unless $retryCount;
162
163    $httpdOpen = 1;
164}
165
166sub closeHTTPD()
167{
168    return if !$httpdOpen;
169
170    close HTTPDIN;
171    close HTTPDOUT;
172
173    kill 15, `cat /tmp/WebKit/httpd.pid` if -f "/tmp/WebKit/httpd.pid";
174
175    $httpdOpen = 0;
176}
177