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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
65b3903f | 2 | /*** |
96b2fb93 | 3 | Copyright © 2014 Zbigniew Jędrzejewski-Szmek |
65b3903f ZJS |
4 | ***/ |
5 | ||
65b3903f | 6 | #include <fcntl.h> |
65b3903f | 7 | #include <stdio.h> |
07630cea LP |
8 | #include <stdlib.h> |
9 | #include <unistd.h> | |
65b3903f | 10 | |
b5efdb8a | 11 | #include "alloc-util.h" |
3ffd4af2 | 12 | #include "fd-util.h" |
0d39fa9c | 13 | #include "fileio.h" |
f97b34a6 | 14 | #include "format-util.h" |
dbb471ac ZJS |
15 | #include "fs-util.h" |
16 | #include "log.h" | |
dccca82b | 17 | #include "process-util.h" |
07630cea LP |
18 | #include "string-util.h" |
19 | #include "util.h" | |
65b3903f ZJS |
20 | |
21 | int main(int argc, char** argv) { | |
03532f0a | 22 | _cleanup_free_ char *cmd = NULL, *cmd2 = NULL, *ans = NULL, *ans2 = NULL, *d = NULL, *tmp = NULL, *line = NULL; |
0f5e1382 | 23 | _cleanup_close_ int fd = -1, fd2 = -1; |
65b3903f | 24 | const char *p = argv[1] ?: "/tmp"; |
03532f0a | 25 | char *pattern; |
dbb471ac ZJS |
26 | |
27 | log_set_max_level(LOG_DEBUG); | |
28 | log_parse_environment(); | |
65b3903f | 29 | |
03532f0a LP |
30 | pattern = strjoina(p, "/systemd-test-XXXXXX"); |
31 | ||
32 | fd = open_tmpfile_unlinkable(p, O_RDWR|O_CLOEXEC); | |
bdf7026e | 33 | assert_se(fd >= 0); |
65b3903f | 34 | |
df0ff127 | 35 | assert_se(asprintf(&cmd, "ls -l /proc/"PID_FMT"/fd/%d", getpid_cached(), fd) > 0); |
dbb471ac ZJS |
36 | (void) system(cmd); |
37 | assert_se(readlink_malloc(cmd + 6, &ans) >= 0); | |
38 | log_debug("link1: %s", ans); | |
39 | assert_se(endswith(ans, " (deleted)")); | |
65b3903f | 40 | |
646853bd | 41 | fd2 = mkostemp_safe(pattern); |
bdf7026e | 42 | assert_se(fd >= 0); |
65b3903f ZJS |
43 | assert_se(unlink(pattern) == 0); |
44 | ||
df0ff127 | 45 | assert_se(asprintf(&cmd2, "ls -l /proc/"PID_FMT"/fd/%d", getpid_cached(), fd2) > 0); |
dbb471ac ZJS |
46 | (void) system(cmd2); |
47 | assert_se(readlink_malloc(cmd2 + 6, &ans2) >= 0); | |
48 | log_debug("link2: %s", ans2); | |
49 | assert_se(endswith(ans2, " (deleted)")); | |
65b3903f | 50 | |
03532f0a LP |
51 | pattern = strjoina(p, "/tmpfiles-test"); |
52 | assert_se(tempfn_random(pattern, NULL, &d) >= 0); | |
53 | ||
54 | fd = open_tmpfile_linkable(d, O_RDWR|O_CLOEXEC, &tmp); | |
55 | assert_se(fd >= 0); | |
56 | assert_se(write(fd, "foobar\n", 7) == 7); | |
57 | ||
58 | assert_se(touch(d) >= 0); | |
59 | assert_se(link_tmpfile(fd, tmp, d) == -EEXIST); | |
60 | assert_se(unlink(d) >= 0); | |
61 | assert_se(link_tmpfile(fd, tmp, d) >= 0); | |
62 | ||
63 | assert_se(read_one_line_file(d, &line) >= 0); | |
64 | assert_se(streq(line, "foobar")); | |
65 | assert_se(unlink(d) >= 0); | |
66 | ||
65b3903f ZJS |
67 | return 0; |
68 | } |