1 /* Copyright libuv project contributors. All rights reserved.
2 *
3 * Permission is hereby granted, free of charge, to any person obtaining a copy
4 * of this software and associated documentation files (the "Software"), to
5 * deal in the Software without restriction, including without limitation the
6 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
7 * sell copies of the Software, and to permit persons to whom the Software is
8 * furnished to do so, subject to the following conditions:
9 *
10 * The above copyright notice and this permission notice shall be included in
11 * all copies or substantial portions of the Software.
12 *
13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
16 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
18 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
19 * IN THE SOFTWARE.
20 */
21
22 #include "uv.h"
23 #include "task.h"
24
25 #if defined(__unix__) || defined(__POSIX__) || \
26 defined(__APPLE__) || defined(__sun) || \
27 defined(_AIX) || defined(__MVS__) || \
28 defined(__HAIKU__) || defined(__QNX__)
29 #include <unistd.h> /* unlink, etc. */
30 #else
31 # include <direct.h>
32 # include <io.h>
33 # define unlink _unlink
34 #endif
35
36 static const char fixture[] = "test/fixtures/load_error.node";
37 static const char dst[] = "test_file_dst";
38 static int result_check_count;
39
40
fail_cb(uv_fs_t * req)41 static void fail_cb(uv_fs_t* req) {
42 FATAL("fail_cb should not have been called");
43 }
44
handle_result(uv_fs_t * req)45 static void handle_result(uv_fs_t* req) {
46 uv_fs_t stat_req;
47 uint64_t size;
48 uint64_t mode;
49 int r;
50
51 ASSERT_EQ(req->fs_type, UV_FS_COPYFILE);
52 ASSERT_OK(req->result);
53
54 /* Verify that the file size and mode are the same. */
55 r = uv_fs_stat(NULL, &stat_req, req->path, NULL);
56 ASSERT_OK(r);
57 size = stat_req.statbuf.st_size;
58 mode = stat_req.statbuf.st_mode;
59 uv_fs_req_cleanup(&stat_req);
60 r = uv_fs_stat(NULL, &stat_req, dst, NULL);
61 ASSERT_OK(r);
62 ASSERT_EQ(stat_req.statbuf.st_size, size);
63 ASSERT_EQ(stat_req.statbuf.st_mode, mode);
64 uv_fs_req_cleanup(&stat_req);
65 uv_fs_req_cleanup(req);
66 result_check_count++;
67 }
68
69
touch_file(const char * name,unsigned int size)70 static void touch_file(const char* name, unsigned int size) {
71 uv_file file;
72 uv_fs_t req;
73 uv_buf_t buf;
74 int r;
75 unsigned int i;
76
77 r = uv_fs_open(NULL, &req, name,
78 UV_FS_O_WRONLY | UV_FS_O_CREAT | UV_FS_O_TRUNC,
79 S_IWUSR | S_IRUSR, NULL);
80 uv_fs_req_cleanup(&req);
81 ASSERT_GE(r, 0);
82 file = r;
83
84 buf = uv_buf_init("a", 1);
85
86 /* Inefficient but simple. */
87 for (i = 0; i < size; i++) {
88 r = uv_fs_write(NULL, &req, file, &buf, 1, i, NULL);
89 uv_fs_req_cleanup(&req);
90 ASSERT_GE(r, 0);
91 }
92
93 r = uv_fs_close(NULL, &req, file, NULL);
94 uv_fs_req_cleanup(&req);
95 ASSERT_OK(r);
96 }
97
98
TEST_IMPL(fs_copyfile)99 TEST_IMPL(fs_copyfile) {
100 const char src[] = "test_file_src";
101 uv_loop_t* loop;
102 uv_fs_t req;
103 int r;
104
105 loop = uv_default_loop();
106
107 /* Fails with EINVAL if bad flags are passed. */
108 r = uv_fs_copyfile(NULL, &req, src, dst, -1, NULL);
109 ASSERT_EQ(r, UV_EINVAL);
110 uv_fs_req_cleanup(&req);
111
112 /* Fails with ENOENT if source does not exist. */
113 unlink(src);
114 unlink(dst);
115 r = uv_fs_copyfile(NULL, &req, src, dst, 0, NULL);
116 ASSERT_EQ(req.result, UV_ENOENT);
117 ASSERT_EQ(r, UV_ENOENT);
118 uv_fs_req_cleanup(&req);
119 /* The destination should not exist. */
120 r = uv_fs_stat(NULL, &req, dst, NULL);
121 ASSERT(r);
122 uv_fs_req_cleanup(&req);
123
124 /* Succeeds if src and dst files are identical. */
125 touch_file(src, 12);
126 r = uv_fs_copyfile(NULL, &req, src, src, 0, NULL);
127 ASSERT_OK(r);
128 uv_fs_req_cleanup(&req);
129 /* Verify that the src file did not get truncated. */
130 r = uv_fs_stat(NULL, &req, src, NULL);
131 ASSERT_OK(r);
132 ASSERT_EQ(12, req.statbuf.st_size);
133 uv_fs_req_cleanup(&req);
134 unlink(src);
135
136 /* Copies file synchronously. Creates new file. */
137 unlink(dst);
138 r = uv_fs_copyfile(NULL, &req, fixture, dst, 0, NULL);
139 ASSERT_OK(r);
140 handle_result(&req);
141
142 /* Copies a file of size zero. */
143 unlink(dst);
144 touch_file(src, 0);
145 r = uv_fs_copyfile(NULL, &req, src, dst, 0, NULL);
146 ASSERT_OK(r);
147 handle_result(&req);
148
149 /* Copies file synchronously. Overwrites existing file. */
150 r = uv_fs_copyfile(NULL, &req, fixture, dst, 0, NULL);
151 ASSERT_OK(r);
152 handle_result(&req);
153
154 /* Fails to overwrites existing file. */
155 ASSERT_OK(uv_fs_chmod(NULL, &req, dst, 0644, NULL));
156 uv_fs_req_cleanup(&req);
157 r = uv_fs_copyfile(NULL, &req, fixture, dst, UV_FS_COPYFILE_EXCL, NULL);
158 ASSERT_EQ(r, UV_EEXIST);
159 uv_fs_req_cleanup(&req);
160
161 /* Truncates when an existing destination is larger than the source file. */
162 ASSERT_OK(uv_fs_chmod(NULL, &req, dst, 0644, NULL));
163 uv_fs_req_cleanup(&req);
164 touch_file(src, 1);
165 r = uv_fs_copyfile(NULL, &req, src, dst, 0, NULL);
166 ASSERT_OK(r);
167 handle_result(&req);
168
169 /* Copies a larger file. */
170 unlink(dst);
171 touch_file(src, 4096 * 2);
172 r = uv_fs_copyfile(NULL, &req, src, dst, 0, NULL);
173 ASSERT_OK(r);
174 handle_result(&req);
175 unlink(src);
176
177 /* Copies file asynchronously */
178 unlink(dst);
179 r = uv_fs_copyfile(loop, &req, fixture, dst, 0, handle_result);
180 ASSERT_OK(r);
181 ASSERT_EQ(5, result_check_count);
182 uv_run(loop, UV_RUN_DEFAULT);
183 ASSERT_EQ(6, result_check_count);
184 /* Ensure file is user-writable (not copied from src). */
185 ASSERT_OK(uv_fs_chmod(NULL, &req, dst, 0644, NULL));
186 uv_fs_req_cleanup(&req);
187
188 /* If the flags are invalid, the loop should not be kept open */
189 unlink(dst);
190 r = uv_fs_copyfile(loop, &req, fixture, dst, -1, fail_cb);
191 ASSERT_EQ(r, UV_EINVAL);
192 uv_run(loop, UV_RUN_DEFAULT);
193
194 /* Copies file using UV_FS_COPYFILE_FICLONE. */
195 unlink(dst);
196 r = uv_fs_copyfile(NULL, &req, fixture, dst, UV_FS_COPYFILE_FICLONE, NULL);
197 ASSERT_OK(r);
198 handle_result(&req);
199
200 /* Copies file using UV_FS_COPYFILE_FICLONE_FORCE. */
201 unlink(dst);
202 r = uv_fs_copyfile(NULL, &req, fixture, dst, UV_FS_COPYFILE_FICLONE_FORCE,
203 NULL);
204 ASSERT_LE(r, 0);
205
206 if (r == 0)
207 handle_result(&req);
208
209 #ifndef _WIN32
210 /* Copying respects permissions/mode. */
211 unlink(dst);
212 touch_file(dst, 0);
213 chmod(dst, S_IRUSR|S_IRGRP|S_IROTH); /* Sets file mode to 444 (read-only). */
214 r = uv_fs_copyfile(NULL, &req, fixture, dst, 0, NULL);
215 /* On IBMi PASE, qsecofr users can overwrite read-only files */
216 # ifndef __PASE__
217 ASSERT_EQ(req.result, UV_EACCES);
218 ASSERT_EQ(r, UV_EACCES);
219 # endif
220 uv_fs_req_cleanup(&req);
221 #endif
222
223 unlink(dst); /* Cleanup */
224 MAKE_VALGRIND_HAPPY(loop);
225 return 0;
226 }
227
