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641d1f99 RC |
1 | /*** |
2 | This file is part of systemd | |
3 | ||
4 | Copyright 2014 Ronny Chevalier | |
5 | ||
6 | systemd is free software; you can redistribute it and/or modify it | |
7 | under the terms of the GNU Lesser General Public License as published by | |
8 | the Free Software Foundation; either version 2.1 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | systemd is distributed in the hope that it will be useful, but | |
12 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | Lesser General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU Lesser General Public License | |
17 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
18 | ***/ | |
19 | ||
20 | #include <unistd.h> | |
21 | ||
22 | #include "copy.h" | |
23 | #include "path-util.h" | |
24 | #include "fileio.h" | |
25 | #include "mkdir.h" | |
26 | #include "strv.h" | |
27 | #include "macro.h" | |
28 | #include "util.h" | |
29 | ||
30 | static void test_copy_file(void) { | |
31 | _cleanup_free_ char *buf = NULL; | |
32 | char fn[] = "/tmp/test-copy_file.XXXXXX"; | |
33 | char fn_copy[] = "/tmp/test-copy_file.XXXXXX"; | |
34 | size_t sz = 0; | |
35 | int fd; | |
36 | ||
37 | fd = mkostemp_safe(fn, O_RDWR|O_CLOEXEC); | |
38 | assert_se(fd >= 0); | |
39 | close(fd); | |
40 | ||
41 | fd = mkostemp_safe(fn_copy, O_RDWR|O_CLOEXEC); | |
42 | assert_se(fd >= 0); | |
43 | close(fd); | |
44 | ||
45 | assert_se(write_string_file(fn, "foo bar bar bar foo") == 0); | |
46 | ||
f2068bcc | 47 | assert_se(copy_file(fn, fn_copy, 0, 0644, 0) == 0); |
641d1f99 RC |
48 | |
49 | assert_se(read_full_file(fn_copy, &buf, &sz) == 0); | |
50 | assert_se(streq(buf, "foo bar bar bar foo\n")); | |
cda134ab | 51 | assert_se(sz == 20); |
641d1f99 RC |
52 | |
53 | unlink(fn); | |
54 | unlink(fn_copy); | |
55 | } | |
56 | ||
cda134ab LP |
57 | static void test_copy_file_fd(void) { |
58 | char in_fn[] = "/tmp/test-copy-file-fd-XXXXXX"; | |
59 | char out_fn[] = "/tmp/test-copy-file-fd-XXXXXX"; | |
60 | _cleanup_close_ int in_fd = -1, out_fd = -1; | |
61 | char text[] = "boohoo\nfoo\n\tbar\n"; | |
62 | char buf[64] = {0}; | |
63 | ||
64 | in_fd = mkostemp_safe(in_fn, O_RDWR); | |
65 | assert_se(in_fd >= 0); | |
66 | out_fd = mkostemp_safe(out_fn, O_RDWR); | |
67 | assert_se(out_fd >= 0); | |
68 | ||
69 | assert_se(write_string_file(in_fn, text) == 0); | |
7430ec6a LP |
70 | assert_se(copy_file_fd("/a/file/which/does/not/exist/i/guess", out_fd, true) < 0); |
71 | assert_se(copy_file_fd(in_fn, out_fd, true) >= 0); | |
cda134ab LP |
72 | assert_se(lseek(out_fd, SEEK_SET, 0) == 0); |
73 | ||
74 | assert_se(read(out_fd, buf, sizeof(buf)) == sizeof(text) - 1); | |
75 | assert_se(streq(buf, text)); | |
76 | ||
77 | unlink(in_fn); | |
78 | unlink(out_fn); | |
79 | } | |
80 | ||
641d1f99 RC |
81 | static void test_copy_tree(void) { |
82 | char original_dir[] = "/tmp/test-copy_tree/"; | |
83 | char copy_dir[] = "/tmp/test-copy_tree-copy/"; | |
84 | char **files = STRV_MAKE("file", "dir1/file", "dir1/dir2/file", "dir1/dir2/dir3/dir4/dir5/file"); | |
85 | char **links = STRV_MAKE("link", "file", | |
86 | "link2", "dir1/file"); | |
87 | char **p, **link; | |
88 | ||
89 | rm_rf_dangerous(copy_dir, false, true, false); | |
90 | rm_rf_dangerous(original_dir, false, true, false); | |
91 | ||
92 | STRV_FOREACH(p, files) { | |
63c372cb | 93 | char *f = strjoina(original_dir, *p); |
641d1f99 RC |
94 | |
95 | assert_se(mkdir_parents(f, 0755) >= 0); | |
96 | assert_se(write_string_file(f, "file") == 0); | |
97 | } | |
98 | ||
99 | STRV_FOREACH_PAIR(link, p, links) { | |
63c372cb LP |
100 | char *f = strjoina(original_dir, *p); |
101 | char *l = strjoina(original_dir, *link); | |
641d1f99 RC |
102 | |
103 | assert_se(mkdir_parents(l, 0755) >= 0); | |
104 | assert_se(symlink(f, l) == 0); | |
105 | } | |
106 | ||
107 | assert_se(copy_tree(original_dir, copy_dir, true) == 0); | |
108 | ||
109 | STRV_FOREACH(p, files) { | |
110 | _cleanup_free_ char *buf = NULL; | |
111 | size_t sz = 0; | |
63c372cb | 112 | char *f = strjoina(copy_dir, *p); |
641d1f99 RC |
113 | |
114 | assert_se(access(f, F_OK) == 0); | |
115 | assert_se(read_full_file(f, &buf, &sz) == 0); | |
116 | assert_se(streq(buf, "file\n")); | |
117 | } | |
118 | ||
119 | STRV_FOREACH_PAIR(link, p, links) { | |
120 | _cleanup_free_ char *target = NULL; | |
63c372cb LP |
121 | char *f = strjoina(original_dir, *p); |
122 | char *l = strjoina(copy_dir, *link); | |
641d1f99 RC |
123 | |
124 | assert_se(readlink_and_canonicalize(l, &target) == 0); | |
125 | assert_se(path_equal(f, target)); | |
126 | } | |
127 | ||
128 | assert_se(copy_tree(original_dir, copy_dir, false) < 0); | |
129 | assert_se(copy_tree("/tmp/inexistent/foo/bar/fsdoi", copy_dir, false) < 0); | |
130 | ||
131 | rm_rf_dangerous(copy_dir, false, true, false); | |
132 | rm_rf_dangerous(original_dir, false, true, false); | |
133 | } | |
134 | ||
135 | int main(int argc, char *argv[]) { | |
136 | test_copy_file(); | |
cda134ab | 137 | test_copy_file_fd(); |
641d1f99 RC |
138 | test_copy_tree(); |
139 | ||
140 | return 0; | |
141 | } |