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1 | /* SPDX-License-Identifier: LGPL-2.1+ */ | |
2 | ||
3 | #include <fcntl.h> | |
4 | #include <stdio.h> | |
5 | #include <unistd.h> | |
6 | ||
7 | #include "alloc-util.h" | |
8 | #include "ctype.h" | |
9 | #include "def.h" | |
10 | #include "env-util.h" | |
11 | #include "fd-util.h" | |
12 | #include "fileio.h" | |
13 | #include "fs-util.h" | |
14 | #include "io-util.h" | |
15 | #include "parse-util.h" | |
16 | #include "process-util.h" | |
17 | #include "string-util.h" | |
18 | #include "strv.h" | |
19 | #include "tests.h" | |
20 | #include "util.h" | |
21 | ||
22 | static void test_parse_env_file(void) { | |
23 | _cleanup_(unlink_tempfilep) char | |
24 | t[] = "/tmp/test-fileio-in-XXXXXX", | |
25 | p[] = "/tmp/test-fileio-out-XXXXXX"; | |
26 | FILE *f; | |
27 | _cleanup_free_ char *one = NULL, *two = NULL, *three = NULL, *four = NULL, *five = NULL, | |
28 | *six = NULL, *seven = NULL, *eight = NULL, *nine = NULL, *ten = NULL; | |
29 | _cleanup_strv_free_ char **a = NULL, **b = NULL; | |
30 | char **i; | |
31 | unsigned k; | |
32 | int r; | |
33 | ||
34 | assert_se(fmkostemp_safe(t, "w", &f) == 0); | |
35 | fputs("one=BAR \n" | |
36 | "# comment\n" | |
37 | " # comment \n" | |
38 | " ; comment \n" | |
39 | " two = bar \n" | |
40 | "invalid line\n" | |
41 | "invalid line #comment\n" | |
42 | "three = \"333\n" | |
43 | "xxxx\"\n" | |
44 | "four = \'44\\\"44\'\n" | |
45 | "five = \'55\\\'55\' \"FIVE\" cinco \n" | |
46 | "six = seis sechs\\\n" | |
47 | " sis\n" | |
48 | "seven=\"sevenval\" #nocomment\n" | |
49 | "eight=eightval #nocomment\n" | |
50 | "export nine=nineval\n" | |
51 | "ten=ignored\n" | |
52 | "ten=ignored\n" | |
53 | "ten=", f); | |
54 | ||
55 | fflush(f); | |
56 | fclose(f); | |
57 | ||
58 | r = load_env_file(NULL, t, NULL, &a); | |
59 | assert_se(r >= 0); | |
60 | ||
61 | STRV_FOREACH(i, a) | |
62 | log_info("Got: <%s>", *i); | |
63 | ||
64 | assert_se(streq_ptr(a[0], "one=BAR")); | |
65 | assert_se(streq_ptr(a[1], "two=bar")); | |
66 | assert_se(streq_ptr(a[2], "three=333\nxxxx")); | |
67 | assert_se(streq_ptr(a[3], "four=44\"44")); | |
68 | assert_se(streq_ptr(a[4], "five=55\'55FIVEcinco")); | |
69 | assert_se(streq_ptr(a[5], "six=seis sechs sis")); | |
70 | assert_se(streq_ptr(a[6], "seven=sevenval#nocomment")); | |
71 | assert_se(streq_ptr(a[7], "eight=eightval #nocomment")); | |
72 | assert_se(streq_ptr(a[8], "export nine=nineval")); | |
73 | assert_se(streq_ptr(a[9], "ten=")); | |
74 | assert_se(a[10] == NULL); | |
75 | ||
76 | strv_env_clean(a); | |
77 | ||
78 | k = 0; | |
79 | STRV_FOREACH(i, b) { | |
80 | log_info("Got2: <%s>", *i); | |
81 | assert_se(streq(*i, a[k++])); | |
82 | } | |
83 | ||
84 | r = parse_env_file( | |
85 | NULL, t, NULL, | |
86 | "one", &one, | |
87 | "two", &two, | |
88 | "three", &three, | |
89 | "four", &four, | |
90 | "five", &five, | |
91 | "six", &six, | |
92 | "seven", &seven, | |
93 | "eight", &eight, | |
94 | "export nine", &nine, | |
95 | "ten", &ten, | |
96 | NULL); | |
97 | ||
98 | assert_se(r >= 0); | |
99 | ||
100 | log_info("one=[%s]", strna(one)); | |
101 | log_info("two=[%s]", strna(two)); | |
102 | log_info("three=[%s]", strna(three)); | |
103 | log_info("four=[%s]", strna(four)); | |
104 | log_info("five=[%s]", strna(five)); | |
105 | log_info("six=[%s]", strna(six)); | |
106 | log_info("seven=[%s]", strna(seven)); | |
107 | log_info("eight=[%s]", strna(eight)); | |
108 | log_info("export nine=[%s]", strna(nine)); | |
109 | log_info("ten=[%s]", strna(nine)); | |
110 | ||
111 | assert_se(streq(one, "BAR")); | |
112 | assert_se(streq(two, "bar")); | |
113 | assert_se(streq(three, "333\nxxxx")); | |
114 | assert_se(streq(four, "44\"44")); | |
115 | assert_se(streq(five, "55\'55FIVEcinco")); | |
116 | assert_se(streq(six, "seis sechs sis")); | |
117 | assert_se(streq(seven, "sevenval#nocomment")); | |
118 | assert_se(streq(eight, "eightval #nocomment")); | |
119 | assert_se(streq(nine, "nineval")); | |
120 | assert_se(ten == NULL); | |
121 | ||
122 | { | |
123 | /* prepare a temporary file to write the environment to */ | |
124 | _cleanup_close_ int fd = mkostemp_safe(p); | |
125 | assert_se(fd >= 0); | |
126 | } | |
127 | ||
128 | r = write_env_file(p, a); | |
129 | assert_se(r >= 0); | |
130 | ||
131 | r = load_env_file(NULL, p, NULL, &b); | |
132 | assert_se(r >= 0); | |
133 | } | |
134 | ||
135 | static void test_parse_multiline_env_file(void) { | |
136 | _cleanup_(unlink_tempfilep) char | |
137 | t[] = "/tmp/test-fileio-in-XXXXXX", | |
138 | p[] = "/tmp/test-fileio-out-XXXXXX"; | |
139 | FILE *f; | |
140 | _cleanup_strv_free_ char **a = NULL, **b = NULL; | |
141 | char **i; | |
142 | int r; | |
143 | ||
144 | assert_se(fmkostemp_safe(t, "w", &f) == 0); | |
145 | fputs("one=BAR\\\n" | |
146 | " VAR\\\n" | |
147 | "\tGAR\n" | |
148 | "#comment\n" | |
149 | "two=\"bar\\\n" | |
150 | " var\\\n" | |
151 | "\tgar\"\n" | |
152 | "#comment\n" | |
153 | "tri=\"bar \\\n" | |
154 | " var \\\n" | |
155 | "\tgar \"\n", f); | |
156 | ||
157 | fflush(f); | |
158 | fclose(f); | |
159 | ||
160 | r = load_env_file(NULL, t, NULL, &a); | |
161 | assert_se(r >= 0); | |
162 | ||
163 | STRV_FOREACH(i, a) | |
164 | log_info("Got: <%s>", *i); | |
165 | ||
166 | assert_se(streq_ptr(a[0], "one=BAR VAR\tGAR")); | |
167 | assert_se(streq_ptr(a[1], "two=bar var\tgar")); | |
168 | assert_se(streq_ptr(a[2], "tri=bar var \tgar ")); | |
169 | assert_se(a[3] == NULL); | |
170 | ||
171 | { | |
172 | _cleanup_close_ int fd = mkostemp_safe(p); | |
173 | assert_se(fd >= 0); | |
174 | } | |
175 | ||
176 | r = write_env_file(p, a); | |
177 | assert_se(r >= 0); | |
178 | ||
179 | r = load_env_file(NULL, p, NULL, &b); | |
180 | assert_se(r >= 0); | |
181 | } | |
182 | ||
183 | static void test_merge_env_file(void) { | |
184 | _cleanup_(unlink_tempfilep) char t[] = "/tmp/test-fileio-XXXXXX"; | |
185 | _cleanup_fclose_ FILE *f = NULL; | |
186 | _cleanup_strv_free_ char **a = NULL; | |
187 | char **i; | |
188 | int r; | |
189 | ||
190 | assert_se(fmkostemp_safe(t, "w", &f) == 0); | |
191 | log_info("/* %s (%s) */", __func__, t); | |
192 | ||
193 | r = write_string_stream(f, | |
194 | "one=1 \n" | |
195 | "twelve=${one}2\n" | |
196 | "twentyone=2${one}\n" | |
197 | "one=2\n" | |
198 | "twentytwo=2${one}\n" | |
199 | "xxx_minus_three=$xxx - 3\n" | |
200 | "xxx=0x$one$one$one\n" | |
201 | "yyy=${one:-fallback}\n" | |
202 | "zzz=${one:+replacement}\n" | |
203 | "zzzz=${foobar:-${nothing}}\n" | |
204 | "zzzzz=${nothing:+${nothing}}\n" | |
205 | , WRITE_STRING_FILE_AVOID_NEWLINE); | |
206 | assert(r >= 0); | |
207 | ||
208 | r = merge_env_file(&a, NULL, t); | |
209 | assert_se(r >= 0); | |
210 | strv_sort(a); | |
211 | ||
212 | STRV_FOREACH(i, a) | |
213 | log_info("Got: <%s>", *i); | |
214 | ||
215 | assert_se(streq(a[0], "one=2")); | |
216 | assert_se(streq(a[1], "twelve=12")); | |
217 | assert_se(streq(a[2], "twentyone=21")); | |
218 | assert_se(streq(a[3], "twentytwo=22")); | |
219 | assert_se(streq(a[4], "xxx=0x222")); | |
220 | assert_se(streq(a[5], "xxx_minus_three= - 3")); | |
221 | assert_se(streq(a[6], "yyy=2")); | |
222 | assert_se(streq(a[7], "zzz=replacement")); | |
223 | assert_se(streq(a[8], "zzzz=")); | |
224 | assert_se(streq(a[9], "zzzzz=")); | |
225 | assert_se(a[10] == NULL); | |
226 | ||
227 | r = merge_env_file(&a, NULL, t); | |
228 | assert_se(r >= 0); | |
229 | strv_sort(a); | |
230 | ||
231 | STRV_FOREACH(i, a) | |
232 | log_info("Got2: <%s>", *i); | |
233 | ||
234 | assert_se(streq(a[0], "one=2")); | |
235 | assert_se(streq(a[1], "twelve=12")); | |
236 | assert_se(streq(a[2], "twentyone=21")); | |
237 | assert_se(streq(a[3], "twentytwo=22")); | |
238 | assert_se(streq(a[4], "xxx=0x222")); | |
239 | assert_se(streq(a[5], "xxx_minus_three=0x222 - 3")); | |
240 | assert_se(streq(a[6], "yyy=2")); | |
241 | assert_se(streq(a[7], "zzz=replacement")); | |
242 | assert_se(streq(a[8], "zzzz=")); | |
243 | assert_se(streq(a[9], "zzzzz=")); | |
244 | assert_se(a[10] == NULL); | |
245 | } | |
246 | ||
247 | static void test_merge_env_file_invalid(void) { | |
248 | _cleanup_(unlink_tempfilep) char t[] = "/tmp/test-fileio-XXXXXX"; | |
249 | _cleanup_fclose_ FILE *f = NULL; | |
250 | _cleanup_strv_free_ char **a = NULL; | |
251 | char **i; | |
252 | int r; | |
253 | ||
254 | assert_se(fmkostemp_safe(t, "w", &f) == 0); | |
255 | log_info("/* %s (%s) */", __func__, t); | |
256 | ||
257 | r = write_string_stream(f, | |
258 | "unset one \n" | |
259 | "unset one= \n" | |
260 | "unset one=1 \n" | |
261 | "one \n" | |
262 | "one = \n" | |
263 | "one two =\n" | |
264 | "\x20two=\n" | |
265 | "#comment=comment\n" | |
266 | ";comment2=comment2\n" | |
267 | "#\n" | |
268 | "\n\n" /* empty line */ | |
269 | , WRITE_STRING_FILE_AVOID_NEWLINE); | |
270 | assert(r >= 0); | |
271 | ||
272 | r = merge_env_file(&a, NULL, t); | |
273 | assert_se(r >= 0); | |
274 | ||
275 | STRV_FOREACH(i, a) | |
276 | log_info("Got: <%s>", *i); | |
277 | ||
278 | assert_se(strv_isempty(a)); | |
279 | } | |
280 | ||
281 | static void test_executable_is_script(void) { | |
282 | _cleanup_(unlink_tempfilep) char t[] = "/tmp/test-fileio-XXXXXX"; | |
283 | _cleanup_fclose_ FILE *f = NULL; | |
284 | char *command; | |
285 | int r; | |
286 | ||
287 | assert_se(fmkostemp_safe(t, "w", &f) == 0); | |
288 | fputs("#! /bin/script -a -b \ngoo goo", f); | |
289 | fflush(f); | |
290 | ||
291 | r = executable_is_script(t, &command); | |
292 | assert_se(r > 0); | |
293 | assert_se(streq(command, "/bin/script")); | |
294 | free(command); | |
295 | ||
296 | r = executable_is_script("/bin/sh", &command); | |
297 | assert_se(r == 0); | |
298 | ||
299 | r = executable_is_script("/usr/bin/yum", &command); | |
300 | assert_se(r > 0 || r == -ENOENT); | |
301 | if (r > 0) { | |
302 | assert_se(startswith(command, "/")); | |
303 | free(command); | |
304 | } | |
305 | } | |
306 | ||
307 | static void test_status_field(void) { | |
308 | _cleanup_free_ char *t = NULL, *p = NULL, *s = NULL, *z = NULL; | |
309 | unsigned long long total = 0, buffers = 0; | |
310 | int r; | |
311 | ||
312 | assert_se(get_proc_field("/proc/self/status", "Threads", WHITESPACE, &t) == 0); | |
313 | puts(t); | |
314 | assert_se(streq(t, "1")); | |
315 | ||
316 | r = get_proc_field("/proc/meminfo", "MemTotal", WHITESPACE, &p); | |
317 | if (r != -ENOENT) { | |
318 | assert_se(r == 0); | |
319 | puts(p); | |
320 | assert_se(safe_atollu(p, &total) == 0); | |
321 | } | |
322 | ||
323 | r = get_proc_field("/proc/meminfo", "Buffers", WHITESPACE, &s); | |
324 | if (r != -ENOENT) { | |
325 | assert_se(r == 0); | |
326 | puts(s); | |
327 | assert_se(safe_atollu(s, &buffers) == 0); | |
328 | } | |
329 | ||
330 | if (p) | |
331 | assert_se(buffers < total); | |
332 | ||
333 | /* Seccomp should be a good test for field full of zeros. */ | |
334 | r = get_proc_field("/proc/meminfo", "Seccomp", WHITESPACE, &z); | |
335 | if (r != -ENOENT) { | |
336 | assert_se(r == 0); | |
337 | puts(z); | |
338 | assert_se(safe_atollu(z, &buffers) == 0); | |
339 | } | |
340 | } | |
341 | ||
342 | static void test_capeff(void) { | |
343 | int pid, p; | |
344 | ||
345 | for (pid = 0; pid < 2; pid++) { | |
346 | _cleanup_free_ char *capeff = NULL; | |
347 | int r; | |
348 | ||
349 | r = get_process_capeff(0, &capeff); | |
350 | log_info("capeff: '%s' (r=%d)", capeff, r); | |
351 | ||
352 | if (IN_SET(r, -ENOENT, -EPERM)) | |
353 | return; | |
354 | ||
355 | assert_se(r == 0); | |
356 | assert_se(*capeff); | |
357 | p = capeff[strspn(capeff, HEXDIGITS)]; | |
358 | assert_se(!p || isspace(p)); | |
359 | } | |
360 | } | |
361 | ||
362 | static void test_write_string_stream(void) { | |
363 | _cleanup_(unlink_tempfilep) char fn[] = "/tmp/test-write_string_stream-XXXXXX"; | |
364 | _cleanup_fclose_ FILE *f = NULL; | |
365 | int fd; | |
366 | char buf[64]; | |
367 | ||
368 | fd = mkostemp_safe(fn); | |
369 | assert_se(fd >= 0); | |
370 | ||
371 | f = fdopen(fd, "r"); | |
372 | assert_se(f); | |
373 | assert_se(write_string_stream(f, "boohoo", 0) < 0); | |
374 | f = safe_fclose(f); | |
375 | ||
376 | f = fopen(fn, "r+"); | |
377 | assert_se(f); | |
378 | ||
379 | assert_se(write_string_stream(f, "boohoo", 0) == 0); | |
380 | rewind(f); | |
381 | ||
382 | assert_se(fgets(buf, sizeof(buf), f)); | |
383 | assert_se(streq(buf, "boohoo\n")); | |
384 | f = safe_fclose(f); | |
385 | ||
386 | f = fopen(fn, "w+"); | |
387 | assert_se(f); | |
388 | ||
389 | assert_se(write_string_stream(f, "boohoo", WRITE_STRING_FILE_AVOID_NEWLINE) == 0); | |
390 | rewind(f); | |
391 | ||
392 | assert_se(fgets(buf, sizeof(buf), f)); | |
393 | printf(">%s<", buf); | |
394 | assert_se(streq(buf, "boohoo")); | |
395 | } | |
396 | ||
397 | static void test_write_string_file(void) { | |
398 | _cleanup_(unlink_tempfilep) char fn[] = "/tmp/test-write_string_file-XXXXXX"; | |
399 | char buf[64] = {}; | |
400 | _cleanup_close_ int fd; | |
401 | ||
402 | fd = mkostemp_safe(fn); | |
403 | assert_se(fd >= 0); | |
404 | ||
405 | assert_se(write_string_file(fn, "boohoo", WRITE_STRING_FILE_CREATE) == 0); | |
406 | ||
407 | assert_se(read(fd, buf, sizeof(buf)) == 7); | |
408 | assert_se(streq(buf, "boohoo\n")); | |
409 | } | |
410 | ||
411 | static void test_write_string_file_no_create(void) { | |
412 | _cleanup_(unlink_tempfilep) char fn[] = "/tmp/test-write_string_file_no_create-XXXXXX"; | |
413 | _cleanup_close_ int fd; | |
414 | char buf[64] = {0}; | |
415 | ||
416 | fd = mkostemp_safe(fn); | |
417 | assert_se(fd >= 0); | |
418 | ||
419 | assert_se(write_string_file("/a/file/which/does/not/exists/i/guess", "boohoo", 0) < 0); | |
420 | assert_se(write_string_file(fn, "boohoo", 0) == 0); | |
421 | ||
422 | assert_se(read(fd, buf, sizeof(buf)) == STRLEN("boohoo\n")); | |
423 | assert_se(streq(buf, "boohoo\n")); | |
424 | } | |
425 | ||
426 | static void test_write_string_file_verify(void) { | |
427 | _cleanup_free_ char *buf = NULL, *buf2 = NULL; | |
428 | int r; | |
429 | ||
430 | assert_se(read_one_line_file("/proc/cmdline", &buf) >= 0); | |
431 | assert_se(buf2 = strjoin(buf, "\n")); | |
432 | ||
433 | r = write_string_file("/proc/cmdline", buf, 0); | |
434 | assert_se(IN_SET(r, -EACCES, -EIO)); | |
435 | r = write_string_file("/proc/cmdline", buf2, 0); | |
436 | assert_se(IN_SET(r, -EACCES, -EIO)); | |
437 | ||
438 | assert_se(write_string_file("/proc/cmdline", buf, WRITE_STRING_FILE_VERIFY_ON_FAILURE) == 0); | |
439 | assert_se(write_string_file("/proc/cmdline", buf2, WRITE_STRING_FILE_VERIFY_ON_FAILURE) == 0); | |
440 | ||
441 | r = write_string_file("/proc/cmdline", buf, WRITE_STRING_FILE_VERIFY_ON_FAILURE|WRITE_STRING_FILE_AVOID_NEWLINE); | |
442 | assert_se(IN_SET(r, -EACCES, -EIO)); | |
443 | assert_se(write_string_file("/proc/cmdline", buf2, WRITE_STRING_FILE_VERIFY_ON_FAILURE|WRITE_STRING_FILE_AVOID_NEWLINE) == 0); | |
444 | } | |
445 | ||
446 | static void test_load_env_file_pairs(void) { | |
447 | _cleanup_(unlink_tempfilep) char fn[] = "/tmp/test-load_env_file_pairs-XXXXXX"; | |
448 | int fd, r; | |
449 | _cleanup_fclose_ FILE *f = NULL; | |
450 | _cleanup_strv_free_ char **l = NULL; | |
451 | char **k, **v; | |
452 | ||
453 | fd = mkostemp_safe(fn); | |
454 | assert_se(fd >= 0); | |
455 | ||
456 | r = write_string_file(fn, | |
457 | "NAME=\"Arch Linux\"\n" | |
458 | "ID=arch\n" | |
459 | "PRETTY_NAME=\"Arch Linux\"\n" | |
460 | "ANSI_COLOR=\"0;36\"\n" | |
461 | "HOME_URL=\"https://www.archlinux.org/\"\n" | |
462 | "SUPPORT_URL=\"https://bbs.archlinux.org/\"\n" | |
463 | "BUG_REPORT_URL=\"https://bugs.archlinux.org/\"\n", | |
464 | WRITE_STRING_FILE_CREATE); | |
465 | assert_se(r == 0); | |
466 | ||
467 | f = fdopen(fd, "r"); | |
468 | assert_se(f); | |
469 | ||
470 | r = load_env_file_pairs(f, fn, NULL, &l); | |
471 | assert_se(r >= 0); | |
472 | ||
473 | assert_se(strv_length(l) == 14); | |
474 | STRV_FOREACH_PAIR(k, v, l) { | |
475 | assert_se(STR_IN_SET(*k, "NAME", "ID", "PRETTY_NAME", "ANSI_COLOR", "HOME_URL", "SUPPORT_URL", "BUG_REPORT_URL")); | |
476 | printf("%s=%s\n", *k, *v); | |
477 | if (streq(*k, "NAME")) assert_se(streq(*v, "Arch Linux")); | |
478 | if (streq(*k, "ID")) assert_se(streq(*v, "arch")); | |
479 | if (streq(*k, "PRETTY_NAME")) assert_se(streq(*v, "Arch Linux")); | |
480 | if (streq(*k, "ANSI_COLOR")) assert_se(streq(*v, "0;36")); | |
481 | if (streq(*k, "HOME_URL")) assert_se(streq(*v, "https://www.archlinux.org/")); | |
482 | if (streq(*k, "SUPPORT_URL")) assert_se(streq(*v, "https://bbs.archlinux.org/")); | |
483 | if (streq(*k, "BUG_REPORT_URL")) assert_se(streq(*v, "https://bugs.archlinux.org/")); | |
484 | } | |
485 | } | |
486 | ||
487 | static void test_search_and_fopen(void) { | |
488 | const char *dirs[] = {"/tmp/foo/bar", "/tmp", NULL}; | |
489 | ||
490 | char name[] = "/tmp/test-search_and_fopen.XXXXXX"; | |
491 | int fd, r; | |
492 | FILE *f; | |
493 | ||
494 | fd = mkostemp_safe(name); | |
495 | assert_se(fd >= 0); | |
496 | close(fd); | |
497 | ||
498 | r = search_and_fopen(basename(name), "r", NULL, dirs, &f); | |
499 | assert_se(r >= 0); | |
500 | fclose(f); | |
501 | ||
502 | r = search_and_fopen(name, "r", NULL, dirs, &f); | |
503 | assert_se(r >= 0); | |
504 | fclose(f); | |
505 | ||
506 | r = search_and_fopen(basename(name), "r", "/", dirs, &f); | |
507 | assert_se(r >= 0); | |
508 | fclose(f); | |
509 | ||
510 | r = search_and_fopen("/a/file/which/does/not/exist/i/guess", "r", NULL, dirs, &f); | |
511 | assert_se(r < 0); | |
512 | r = search_and_fopen("afilewhichdoesnotexistiguess", "r", NULL, dirs, &f); | |
513 | assert_se(r < 0); | |
514 | ||
515 | r = unlink(name); | |
516 | assert_se(r == 0); | |
517 | ||
518 | r = search_and_fopen(basename(name), "r", NULL, dirs, &f); | |
519 | assert_se(r < 0); | |
520 | } | |
521 | ||
522 | static void test_search_and_fopen_nulstr(void) { | |
523 | const char dirs[] = "/tmp/foo/bar\0/tmp\0"; | |
524 | ||
525 | _cleanup_(unlink_tempfilep) char name[] = "/tmp/test-search_and_fopen.XXXXXX"; | |
526 | int fd, r; | |
527 | FILE *f; | |
528 | ||
529 | fd = mkostemp_safe(name); | |
530 | assert_se(fd >= 0); | |
531 | close(fd); | |
532 | ||
533 | r = search_and_fopen_nulstr(basename(name), "r", NULL, dirs, &f); | |
534 | assert_se(r >= 0); | |
535 | fclose(f); | |
536 | ||
537 | r = search_and_fopen_nulstr(name, "r", NULL, dirs, &f); | |
538 | assert_se(r >= 0); | |
539 | fclose(f); | |
540 | ||
541 | r = search_and_fopen_nulstr("/a/file/which/does/not/exist/i/guess", "r", NULL, dirs, &f); | |
542 | assert_se(r < 0); | |
543 | r = search_and_fopen_nulstr("afilewhichdoesnotexistiguess", "r", NULL, dirs, &f); | |
544 | assert_se(r < 0); | |
545 | ||
546 | r = unlink(name); | |
547 | assert_se(r == 0); | |
548 | ||
549 | r = search_and_fopen_nulstr(basename(name), "r", NULL, dirs, &f); | |
550 | assert_se(r < 0); | |
551 | } | |
552 | ||
553 | static void test_writing_tmpfile(void) { | |
554 | _cleanup_(unlink_tempfilep) char name[] = "/tmp/test-systemd_writing_tmpfile.XXXXXX"; | |
555 | _cleanup_free_ char *contents = NULL; | |
556 | size_t size; | |
557 | _cleanup_close_ int fd = -1; | |
558 | struct iovec iov[3]; | |
559 | int r; | |
560 | ||
561 | iov[0] = IOVEC_MAKE_STRING("abc\n"); | |
562 | iov[1] = IOVEC_MAKE_STRING(ALPHANUMERICAL "\n"); | |
563 | iov[2] = IOVEC_MAKE_STRING(""); | |
564 | ||
565 | fd = mkostemp_safe(name); | |
566 | printf("tmpfile: %s", name); | |
567 | ||
568 | r = writev(fd, iov, 3); | |
569 | assert_se(r >= 0); | |
570 | ||
571 | r = read_full_file(name, &contents, &size); | |
572 | assert_se(r == 0); | |
573 | printf("contents: %s", contents); | |
574 | assert_se(streq(contents, "abc\n" ALPHANUMERICAL "\n")); | |
575 | } | |
576 | ||
577 | static void test_tempfn(void) { | |
578 | char *ret = NULL, *p; | |
579 | ||
580 | assert_se(tempfn_xxxxxx("/foo/bar/waldo", NULL, &ret) >= 0); | |
581 | assert_se(streq_ptr(ret, "/foo/bar/.#waldoXXXXXX")); | |
582 | free(ret); | |
583 | ||
584 | assert_se(tempfn_xxxxxx("/foo/bar/waldo", "[miau]", &ret) >= 0); | |
585 | assert_se(streq_ptr(ret, "/foo/bar/.#[miau]waldoXXXXXX")); | |
586 | free(ret); | |
587 | ||
588 | assert_se(tempfn_random("/foo/bar/waldo", NULL, &ret) >= 0); | |
589 | assert_se(p = startswith(ret, "/foo/bar/.#waldo")); | |
590 | assert_se(strlen(p) == 16); | |
591 | assert_se(in_charset(p, "0123456789abcdef")); | |
592 | free(ret); | |
593 | ||
594 | assert_se(tempfn_random("/foo/bar/waldo", "[wuff]", &ret) >= 0); | |
595 | assert_se(p = startswith(ret, "/foo/bar/.#[wuff]waldo")); | |
596 | assert_se(strlen(p) == 16); | |
597 | assert_se(in_charset(p, "0123456789abcdef")); | |
598 | free(ret); | |
599 | ||
600 | assert_se(tempfn_random_child("/foo/bar/waldo", NULL, &ret) >= 0); | |
601 | assert_se(p = startswith(ret, "/foo/bar/waldo/.#")); | |
602 | assert_se(strlen(p) == 16); | |
603 | assert_se(in_charset(p, "0123456789abcdef")); | |
604 | free(ret); | |
605 | ||
606 | assert_se(tempfn_random_child("/foo/bar/waldo", "[kikiriki]", &ret) >= 0); | |
607 | assert_se(p = startswith(ret, "/foo/bar/waldo/.#[kikiriki]")); | |
608 | assert_se(strlen(p) == 16); | |
609 | assert_se(in_charset(p, "0123456789abcdef")); | |
610 | free(ret); | |
611 | } | |
612 | ||
613 | static const char buffer[] = | |
614 | "Some test data\n" | |
615 | "With newlines, and a NUL byte\0" | |
616 | "\n" | |
617 | "an empty line\n" | |
618 | "an ignored line\n" | |
619 | "and a very long line that is supposed to be truncated, because it is so long\n"; | |
620 | ||
621 | static void test_read_line_one_file(FILE *f) { | |
622 | _cleanup_free_ char *line = NULL; | |
623 | ||
624 | assert_se(read_line(f, (size_t) -1, &line) == 15 && streq(line, "Some test data")); | |
625 | line = mfree(line); | |
626 | ||
627 | assert_se(read_line(f, 1024, &line) == 30 && streq(line, "With newlines, and a NUL byte")); | |
628 | line = mfree(line); | |
629 | ||
630 | assert_se(read_line(f, 1024, &line) == 1 && streq(line, "")); | |
631 | line = mfree(line); | |
632 | ||
633 | assert_se(read_line(f, 1024, &line) == 14 && streq(line, "an empty line")); | |
634 | line = mfree(line); | |
635 | ||
636 | assert_se(read_line(f, (size_t) -1, NULL) == 16); | |
637 | ||
638 | assert_se(read_line(f, 16, &line) == -ENOBUFS); | |
639 | line = mfree(line); | |
640 | ||
641 | /* read_line() stopped when it hit the limit, that means when we continue reading we'll read at the first | |
642 | * character after the previous limit. Let's make use of tha to continue our test. */ | |
643 | assert_se(read_line(f, 1024, &line) == 61 && streq(line, "line that is supposed to be truncated, because it is so long")); | |
644 | line = mfree(line); | |
645 | ||
646 | assert_se(read_line(f, 1024, &line) == 1 && streq(line, "")); | |
647 | line = mfree(line); | |
648 | ||
649 | assert_se(read_line(f, 1024, &line) == 0 && streq(line, "")); | |
650 | } | |
651 | ||
652 | static void test_read_line(void) { | |
653 | _cleanup_fclose_ FILE *f = NULL; | |
654 | ||
655 | f = fmemopen((void*) buffer, sizeof(buffer), "re"); | |
656 | assert_se(f); | |
657 | ||
658 | test_read_line_one_file(f); | |
659 | } | |
660 | ||
661 | static void test_read_line2(void) { | |
662 | _cleanup_(unlink_tempfilep) char name[] = "/tmp/test-fileio.XXXXXX"; | |
663 | int fd; | |
664 | _cleanup_fclose_ FILE *f = NULL; | |
665 | ||
666 | fd = mkostemp_safe(name); | |
667 | assert_se(fd >= 0); | |
668 | assert_se((size_t) write(fd, buffer, sizeof(buffer)) == sizeof(buffer)); | |
669 | ||
670 | assert_se(lseek(fd, 0, SEEK_SET) == 0); | |
671 | assert_se(f = fdopen(fd, "r")); | |
672 | ||
673 | test_read_line_one_file(f); | |
674 | } | |
675 | ||
676 | static void test_read_line3(void) { | |
677 | _cleanup_fclose_ FILE *f = NULL; | |
678 | _cleanup_free_ char *line = NULL; | |
679 | int r; | |
680 | ||
681 | f = fopen("/proc/cmdline", "re"); | |
682 | if (!f && IN_SET(errno, ENOENT, EPERM)) | |
683 | return; | |
684 | assert_se(f); | |
685 | ||
686 | r = read_line(f, LINE_MAX, &line); | |
687 | assert_se((size_t) r == strlen(line) + 1); | |
688 | assert_se(read_line(f, LINE_MAX, NULL) == 0); | |
689 | } | |
690 | ||
691 | int main(int argc, char *argv[]) { | |
692 | test_setup_logging(LOG_DEBUG); | |
693 | ||
694 | test_parse_env_file(); | |
695 | test_parse_multiline_env_file(); | |
696 | test_merge_env_file(); | |
697 | test_merge_env_file_invalid(); | |
698 | test_executable_is_script(); | |
699 | test_status_field(); | |
700 | test_capeff(); | |
701 | test_write_string_stream(); | |
702 | test_write_string_file(); | |
703 | test_write_string_file_no_create(); | |
704 | test_write_string_file_verify(); | |
705 | test_load_env_file_pairs(); | |
706 | test_search_and_fopen(); | |
707 | test_search_and_fopen_nulstr(); | |
708 | test_writing_tmpfile(); | |
709 | test_tempfn(); | |
710 | test_read_line(); | |
711 | test_read_line2(); | |
712 | test_read_line3(); | |
713 | ||
714 | return 0; | |
715 | } |