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(req->fs_type == UV_FS_COPYFILE);
52 ASSERT(req->result == 0);
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(r == 0);
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(r == 0);
62 ASSERT(stat_req.statbuf.st_size == size);
63 ASSERT(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, O_WRONLY | O_CREAT | O_TRUNC,
78 S_IWUSR | S_IRUSR, NULL);
79 uv_fs_req_cleanup(&req);
80 ASSERT(r >= 0);
81 file = r;
82
83 buf = uv_buf_init("a", 1);
84
85 /* Inefficient but simple. */
86 for (i = 0; i < size; i++) {
87 r = uv_fs_write(NULL, &req, file, &buf, 1, i, NULL);
88 uv_fs_req_cleanup(&req);
89 ASSERT(r >= 0);
90 }
91
92 r = uv_fs_close(NULL, &req, file, NULL);
93 uv_fs_req_cleanup(&req);
94 ASSERT(r == 0);
95 }
96
97
TEST_IMPL(fs_copyfile)98 TEST_IMPL(fs_copyfile) {
99 #if defined(__ASAN__)
100 RETURN_SKIP("Test does not currently work in ASAN");
101 #endif
102 const char src[] = "test_file_src";
103 uv_loop_t* loop;
104 uv_fs_t req;
105 int r;
106
107 loop = uv_default_loop();
108
109 /* Fails with EINVAL if bad flags are passed. */
110 r = uv_fs_copyfile(NULL, &req, src, dst, -1, NULL);
111 ASSERT(r == UV_EINVAL);
112 uv_fs_req_cleanup(&req);
113
114 /* Fails with ENOENT if source does not exist. */
115 unlink(src);
116 unlink(dst);
117 r = uv_fs_copyfile(NULL, &req, src, dst, 0, NULL);
118 ASSERT(req.result == UV_ENOENT);
119 ASSERT(r == UV_ENOENT);
120 uv_fs_req_cleanup(&req);
121 /* The destination should not exist. */
122 r = uv_fs_stat(NULL, &req, dst, NULL);
123 ASSERT(r != 0);
124 uv_fs_req_cleanup(&req);
125
126 /* Succeeds if src and dst files are identical. */
127 touch_file(src, 12);
128 r = uv_fs_copyfile(NULL, &req, src, src, 0, NULL);
129 ASSERT(r == 0);
130 uv_fs_req_cleanup(&req);
131 /* Verify that the src file did not get truncated. */
132 r = uv_fs_stat(NULL, &req, src, NULL);
133 ASSERT_EQ(r, 0);
134 ASSERT_EQ(req.statbuf.st_size, 12);
135 uv_fs_req_cleanup(&req);
136 unlink(src);
137
138 /* Copies file synchronously. Creates new file. */
139 unlink(dst);
140 r = uv_fs_copyfile(NULL, &req, fixture, dst, 0, NULL);
141 ASSERT(r == 0);
142 handle_result(&req);
143
144 /* Copies a file of size zero. */
145 unlink(dst);
146 touch_file(src, 0);
147 r = uv_fs_copyfile(NULL, &req, src, dst, 0, NULL);
148 ASSERT(r == 0);
149 handle_result(&req);
150
151 /* Copies file synchronously. Overwrites existing file. */
152 r = uv_fs_copyfile(NULL, &req, fixture, dst, 0, NULL);
153 ASSERT(r == 0);
154 handle_result(&req);
155
156 /* Fails to overwrites existing file. */
157 r = uv_fs_copyfile(NULL, &req, fixture, dst, UV_FS_COPYFILE_EXCL, NULL);
158 ASSERT(r == UV_EEXIST);
159 uv_fs_req_cleanup(&req);
160
161 /* Truncates when an existing destination is larger than the source file. */
162 touch_file(src, 1);
163 r = uv_fs_copyfile(NULL, &req, src, dst, 0, NULL);
164 ASSERT(r == 0);
165 handle_result(&req);
166
167 /* Copies a larger file. */
168 unlink(dst);
169 touch_file(src, 4096 * 2);
170 r = uv_fs_copyfile(NULL, &req, src, dst, 0, NULL);
171 ASSERT(r == 0);
172 handle_result(&req);
173 unlink(src);
174
175 /* Copies file asynchronously */
176 unlink(dst);
177 r = uv_fs_copyfile(loop, &req, fixture, dst, 0, handle_result);
178 ASSERT(r == 0);
179 ASSERT(result_check_count == 5);
180 uv_run(loop, UV_RUN_DEFAULT);
181 ASSERT(result_check_count == 6);
182
183 /* If the flags are invalid, the loop should not be kept open */
184 unlink(dst);
185 r = uv_fs_copyfile(loop, &req, fixture, dst, -1, fail_cb);
186 ASSERT(r == UV_EINVAL);
187 uv_run(loop, UV_RUN_DEFAULT);
188
189 /* Copies file using UV_FS_COPYFILE_FICLONE. */
190 unlink(dst);
191 r = uv_fs_copyfile(NULL, &req, fixture, dst, UV_FS_COPYFILE_FICLONE, NULL);
192 ASSERT(r == 0);
193 handle_result(&req);
194
195 /* Copies file using UV_FS_COPYFILE_FICLONE_FORCE. */
196 unlink(dst);
197 r = uv_fs_copyfile(NULL, &req, fixture, dst, UV_FS_COPYFILE_FICLONE_FORCE,
198 NULL);
199 ASSERT(r <= 0);
200
201 if (r == 0)
202 handle_result(&req);
203
204 #ifndef _WIN32
205 /* Copying respects permissions/mode. */
206 unlink(dst);
207 touch_file(dst, 0);
208 chmod(dst, S_IRUSR|S_IRGRP|S_IROTH); /* Sets file mode to 444 (read-only). */
209 r = uv_fs_copyfile(NULL, &req, fixture, dst, 0, NULL);
210 /* On IBMi PASE, qsecofr users can overwrite read-only files */
211 # ifndef __PASE__
212 ASSERT(req.result == UV_EACCES);
213 ASSERT(r == UV_EACCES);
214 # endif
215 uv_fs_req_cleanup(&req);
216 #endif
217
218 unlink(dst); /* Cleanup */
219 return 0;
220 }
221