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1 /* Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
2 * Use of this source code is governed by a BSD-style license that can be | |
3 * found in the LICENSE file. | |
4 */ | |
5 #include <errno.h> | |
6 #include "nacl_mounts/kernel_intercept.h" | |
7 #include "nacl_mounts/kernel_proxy.h" | |
8 #include "nacl_mounts/kernel_wrap.h" | |
9 #include "nacl_mounts/pepper_interface.h" | |
10 #include "nacl_mounts/pepper_interface.h" | |
11 #include "nacl_mounts/real_pepper_interface.h" | |
12 | |
13 | |
14 static KernelProxy* s_kp; | |
15 | |
16 void ki_init(void* kp) { | |
17 ki_init_ppapi(kp, 0, NULL); | |
18 } | |
19 | |
20 void ki_init_ppapi(void* kp, | |
21 PP_Instance instance, | |
22 PPB_GetInterface get_browser_interface) { | |
23 kernel_wrap_init(); | |
24 | |
25 if (kp == NULL) kp = new KernelProxy(); | |
26 s_kp = static_cast<KernelProxy*>(kp); | |
27 | |
28 PepperInterface* ppapi = NULL; | |
29 if (instance && get_browser_interface) | |
30 ppapi = new RealPepperInterface(instance, get_browser_interface); | |
31 | |
32 s_kp->Init(ppapi); | |
33 } | |
34 | |
35 int ki_is_initialized() { | |
36 return s_kp != NULL; | |
37 } | |
38 | |
39 void ki_uninit() { | |
40 s_kp = NULL; | |
41 } | |
42 | |
43 int ki_chdir(const char* path) { | |
44 return s_kp->chdir(path); | |
45 } | |
46 | |
47 char* ki_getcwd(char* buf, size_t size) { | |
48 // gtest uses getcwd in a static initializer. If we haven't initialized the | |
49 // kernel-intercept yet, just return ".". | |
50 if (!ki_is_initialized()) { | |
51 if (size < 2) { | |
52 errno = ERANGE; | |
53 return NULL; | |
54 } | |
55 buf[0] = '.'; | |
56 buf[1] = 0; | |
57 return buf; | |
58 } | |
59 return s_kp->getcwd(buf, size); | |
60 } | |
61 | |
62 char* ki_getwd(char* buf) { | |
63 return s_kp->getwd(buf); | |
64 } | |
65 | |
66 int ki_dup(int oldfd) { | |
67 return s_kp->dup(oldfd); | |
68 } | |
69 | |
70 int ki_dup2(int oldfd, int newfd) { | |
71 return s_kp->dup2(oldfd, newfd); | |
72 } | |
73 | |
74 int ki_chmod(const char *path, mode_t mode) { | |
75 return s_kp->chmod(path, mode); | |
76 } | |
77 | |
78 int ki_stat(const char *path, struct stat *buf) { | |
79 return s_kp->stat(path, buf); | |
80 } | |
81 | |
82 int ki_mkdir(const char *path, mode_t mode) { | |
83 return s_kp->mkdir(path, mode); | |
84 } | |
85 | |
86 int ki_rmdir(const char *path) { | |
87 return s_kp->rmdir(path); | |
88 } | |
89 | |
90 int ki_mount(const char *source, const char *target, const char *filesystemtype, | |
91 unsigned long mountflags, const void *data) { | |
92 return s_kp->mount(source, target, filesystemtype, mountflags, data); | |
93 } | |
94 | |
95 int ki_umount(const char *path) { | |
96 return s_kp->umount(path); | |
97 } | |
98 | |
99 int ki_open(const char *path, int oflag) { | |
100 return s_kp->open(path, oflag); | |
101 } | |
102 | |
103 ssize_t ki_read(int fd, void *buf, size_t nbyte) { | |
104 return s_kp->read(fd, buf, nbyte); | |
105 } | |
106 | |
107 ssize_t ki_write(int fd, const void *buf, size_t nbyte) { | |
108 return s_kp->write(fd, buf, nbyte); | |
109 } | |
110 | |
111 int ki_fstat(int fd, struct stat *buf){ | |
112 return s_kp->fstat(fd, buf); | |
113 } | |
114 | |
115 int ki_getdents(int fd, void *buf, unsigned int count) { | |
116 return s_kp->getdents(fd, buf, count); | |
117 } | |
118 | |
119 int ki_fsync(int fd) { | |
120 return s_kp->fsync(fd); | |
121 } | |
122 | |
123 int ki_isatty(int fd) { | |
124 if (!ki_is_initialized()) | |
125 return 0; | |
126 return s_kp->isatty(fd); | |
127 } | |
128 | |
129 int ki_close(int fd) { | |
130 if (!ki_is_initialized()) | |
131 return 0; | |
132 return s_kp->close(fd); | |
133 } | |
134 | |
135 off_t ki_lseek(int fd, off_t offset, int whence) { | |
136 return s_kp->lseek(fd, offset, whence); | |
137 } | |
138 | |
139 int ki_remove(const char* path) { | |
140 return s_kp->remove(path); | |
141 } | |
142 | |
143 int ki_unlink(const char* path) { | |
144 return s_kp->unlink(path); | |
145 } | |
146 | |
147 int ki_access(const char* path, int amode) { | |
148 return s_kp->access(path, amode); | |
149 } | |
150 | |
151 int ki_link(const char* oldpath, const char* newpath) { | |
152 return s_kp->link(oldpath, newpath); | |
153 } | |
154 | |
155 int ki_symlink(const char* oldpath, const char* newpath) { | |
156 return s_kp->symlink(oldpath, newpath); | |
157 } | |
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