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1 /*
2  * Copyright (C) 2010 Apple Inc. All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  *
13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23  * THE POSSIBILITY OF SUCH DAMAGE.
24  */
25 
26 #include <dlfcn.h>
27 #include <stdlib.h>
28 #include <stdio.h>
29 #include <unistd.h>
30 
closeUnusedFileDescriptors()31 static void closeUnusedFileDescriptors()
32 {
33     int numFDs = getdtablesize();
34 
35     // Close all file descriptors except stdin, stdout and stderr.
36     for (int fd = 3; fd < numFDs; ++fd)
37         close(fd);
38 }
39 
main(int argc,char ** argv)40 int main(int argc, char** argv)
41 {
42     closeUnusedFileDescriptors();
43 
44     if (argc < 2)
45         return EXIT_FAILURE;
46 
47     static void* frameworkLibrary = dlopen(argv[1], RTLD_NOW);
48     if (!frameworkLibrary) {
49         fprintf(stderr, "Unable to load WebKit2.framework: %s\n", dlerror());
50         return EXIT_FAILURE;
51     }
52 
53     typedef int (*WebKitMainFunction)(int argc, char** argv);
54     WebKitMainFunction webKitMain = reinterpret_cast<WebKitMainFunction>(dlsym(frameworkLibrary, "WebKitMain"));
55     if (!webKitMain) {
56         fprintf(stderr, "Unable to find entry point in WebKit2.framework: %s\n", dlerror());
57         return EXIT_FAILURE;
58     }
59 
60     return webKitMain(argc, argv);
61 }
62