1 /*
2 * Copyright 2009, The Android Open Source Project
3 * Copyright (C) 2007 Holger Hans Peter Freyther
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
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 *
15 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
16 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
18 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
19 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
22 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
23 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28 #include "config.h"
29 #include "FileSystem.h"
30
31 #include "CString.h"
32 #include "StringBuilder.h"
33 #include <fnmatch.h>
34 #include <dlfcn.h>
35 #include <dirent.h>
36 #include <errno.h>
37 #include <sys/stat.h>
38 #include "cutils/log.h"
39
40 namespace WebCore {
41
42 // Global static used to store the base to the plugin path.
43 // This is set in WebSettings.cpp
44 String sPluginPath;
45
fileSystemRepresentation(const String & path)46 CString fileSystemRepresentation(const String& path)
47 {
48 return path.utf8();
49 }
50
openTemporaryFile(const char * prefix,PlatformFileHandle & handle)51 CString openTemporaryFile(const char* prefix, PlatformFileHandle& handle)
52 {
53 int number = rand() % 10000 + 1;
54 CString filename;
55 do {
56 StringBuilder builder;
57 builder.append(sPluginPath);
58 builder.append('/');
59 builder.append(prefix);
60 builder.append(String::number(number));
61 filename = builder.toString().utf8();
62 const char* fstr = filename.data();
63 handle = open(filename.data(), O_WRONLY | O_CREAT | O_EXCL, S_IRUSR | S_IWUSR);
64 number++;
65
66 if (handle != -1)
67 return filename;
68 } while (errno == EEXIST);
69
70 return CString();
71 }
72
unloadModule(PlatformModule module)73 bool unloadModule(PlatformModule module)
74 {
75 return dlclose(module) == 0;
76 }
77
closeFile(PlatformFileHandle & handle)78 void closeFile(PlatformFileHandle& handle)
79 {
80 if (isHandleValid(handle)) {
81 close(handle);
82 handle = invalidPlatformFileHandle;
83 }
84 }
85
writeToFile(PlatformFileHandle handle,const char * data,int length)86 int writeToFile(PlatformFileHandle handle, const char* data, int length)
87 {
88 int totalBytesWritten = 0;
89 while (totalBytesWritten < length) {
90 int bytesWritten = write(handle, data, (size_t)(length - totalBytesWritten));
91 if (bytesWritten < 0 && errno != EINTR)
92 return -1;
93 else if (bytesWritten > 0)
94 totalBytesWritten += bytesWritten;
95 }
96
97 return totalBytesWritten;
98 }
99
homeDirectoryPath()100 String homeDirectoryPath()
101 {
102 return sPluginPath;
103 }
104
listDirectory(const String & path,const String & filter)105 Vector<String> listDirectory(const String& path, const String& filter)
106 {
107 Vector<String> entries;
108 CString cpath = path.utf8();
109 CString cfilter = filter.utf8();
110 DIR* dir = opendir(cpath.data());
111 if (dir) {
112 struct dirent* dp;
113 while (dp = readdir(dir)) {
114 const char* name = dp->d_name;
115 if (!strcmp(name, ".") || !strcmp(name, ".."))
116 continue;
117 if (fnmatch(cfilter.data(), name, 0))
118 continue;
119 char filePath[1024];
120 if ((int) (sizeof(filePath) - 1) < snprintf(filePath,
121 sizeof(filePath), "%s/%s", cpath.data(), name)) {
122 continue; // buffer overflow
123 }
124 entries.append(filePath);
125 }
126 closedir(dir);
127 }
128 return entries;
129 }
130
131 } // namespace WebCore
132