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1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2010 Lennart Poettering | |
7 | Copyright 2013 Thomas H.P. Andersen | |
8 | ||
9 | systemd is free software; you can redistribute it and/or modify it | |
10 | under the terms of the GNU Lesser General Public License as published by | |
11 | the Free Software Foundation; either version 2.1 of the License, or | |
12 | (at your option) any later version. | |
13 | ||
14 | systemd is distributed in the hope that it will be useful, but | |
15 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 | Lesser General Public License for more details. | |
18 | ||
19 | You should have received a copy of the GNU Lesser General Public License | |
20 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
21 | ***/ | |
22 | ||
23 | #include <locale.h> | |
24 | #include <math.h> | |
25 | ||
26 | #include "log.h" | |
27 | #include "parse-util.h" | |
28 | ||
29 | static void test_parse_boolean(void) { | |
30 | assert_se(parse_boolean("1") == 1); | |
31 | assert_se(parse_boolean("y") == 1); | |
32 | assert_se(parse_boolean("Y") == 1); | |
33 | assert_se(parse_boolean("yes") == 1); | |
34 | assert_se(parse_boolean("YES") == 1); | |
35 | assert_se(parse_boolean("true") == 1); | |
36 | assert_se(parse_boolean("TRUE") == 1); | |
37 | assert_se(parse_boolean("on") == 1); | |
38 | assert_se(parse_boolean("ON") == 1); | |
39 | ||
40 | assert_se(parse_boolean("0") == 0); | |
41 | assert_se(parse_boolean("n") == 0); | |
42 | assert_se(parse_boolean("N") == 0); | |
43 | assert_se(parse_boolean("no") == 0); | |
44 | assert_se(parse_boolean("NO") == 0); | |
45 | assert_se(parse_boolean("false") == 0); | |
46 | assert_se(parse_boolean("FALSE") == 0); | |
47 | assert_se(parse_boolean("off") == 0); | |
48 | assert_se(parse_boolean("OFF") == 0); | |
49 | ||
50 | assert_se(parse_boolean("garbage") < 0); | |
51 | assert_se(parse_boolean("") < 0); | |
52 | assert_se(parse_boolean("full") < 0); | |
53 | } | |
54 | ||
55 | static void test_parse_pid(void) { | |
56 | int r; | |
57 | pid_t pid; | |
58 | ||
59 | r = parse_pid("100", &pid); | |
60 | assert_se(r == 0); | |
61 | assert_se(pid == 100); | |
62 | ||
63 | r = parse_pid("0x7FFFFFFF", &pid); | |
64 | assert_se(r == 0); | |
65 | assert_se(pid == 2147483647); | |
66 | ||
67 | pid = 65; /* pid is left unchanged on ERANGE. Set to known arbitrary value. */ | |
68 | r = parse_pid("0", &pid); | |
69 | assert_se(r == -ERANGE); | |
70 | assert_se(pid == 65); | |
71 | ||
72 | pid = 65; /* pid is left unchanged on ERANGE. Set to known arbitrary value. */ | |
73 | r = parse_pid("-100", &pid); | |
74 | assert_se(r == -ERANGE); | |
75 | assert_se(pid == 65); | |
76 | ||
77 | pid = 65; /* pid is left unchanged on ERANGE. Set to known arbitrary value. */ | |
78 | r = parse_pid("0xFFFFFFFFFFFFFFFFF", &pid); | |
79 | assert_se(r == -ERANGE); | |
80 | assert_se(pid == 65); | |
81 | ||
82 | r = parse_pid("junk", &pid); | |
83 | assert_se(r == -EINVAL); | |
84 | } | |
85 | ||
86 | static void test_parse_mode(void) { | |
87 | mode_t m; | |
88 | ||
89 | assert_se(parse_mode("-1", &m) < 0); | |
90 | assert_se(parse_mode("", &m) < 0); | |
91 | assert_se(parse_mode("888", &m) < 0); | |
92 | assert_se(parse_mode("77777", &m) < 0); | |
93 | ||
94 | assert_se(parse_mode("544", &m) >= 0 && m == 0544); | |
95 | assert_se(parse_mode("777", &m) >= 0 && m == 0777); | |
96 | assert_se(parse_mode("7777", &m) >= 0 && m == 07777); | |
97 | assert_se(parse_mode("0", &m) >= 0 && m == 0); | |
98 | } | |
99 | ||
100 | static void test_parse_size(void) { | |
101 | uint64_t bytes; | |
102 | ||
103 | assert_se(parse_size("111", 1024, &bytes) == 0); | |
104 | assert_se(bytes == 111); | |
105 | ||
106 | assert_se(parse_size("111.4", 1024, &bytes) == 0); | |
107 | assert_se(bytes == 111); | |
108 | ||
109 | assert_se(parse_size(" 112 B", 1024, &bytes) == 0); | |
110 | assert_se(bytes == 112); | |
111 | ||
112 | assert_se(parse_size(" 112.6 B", 1024, &bytes) == 0); | |
113 | assert_se(bytes == 112); | |
114 | ||
115 | assert_se(parse_size("3.5 K", 1024, &bytes) == 0); | |
116 | assert_se(bytes == 3*1024 + 512); | |
117 | ||
118 | assert_se(parse_size("3. K", 1024, &bytes) == 0); | |
119 | assert_se(bytes == 3*1024); | |
120 | ||
121 | assert_se(parse_size("3.0 K", 1024, &bytes) == 0); | |
122 | assert_se(bytes == 3*1024); | |
123 | ||
124 | assert_se(parse_size("3. 0 K", 1024, &bytes) == -EINVAL); | |
125 | ||
126 | assert_se(parse_size(" 4 M 11.5K", 1024, &bytes) == 0); | |
127 | assert_se(bytes == 4*1024*1024 + 11 * 1024 + 512); | |
128 | ||
129 | assert_se(parse_size("3B3.5G", 1024, &bytes) == -EINVAL); | |
130 | ||
131 | assert_se(parse_size("3.5G3B", 1024, &bytes) == 0); | |
132 | assert_se(bytes == 3ULL*1024*1024*1024 + 512*1024*1024 + 3); | |
133 | ||
134 | assert_se(parse_size("3.5G 4B", 1024, &bytes) == 0); | |
135 | assert_se(bytes == 3ULL*1024*1024*1024 + 512*1024*1024 + 4); | |
136 | ||
137 | assert_se(parse_size("3B3G4T", 1024, &bytes) == -EINVAL); | |
138 | ||
139 | assert_se(parse_size("4T3G3B", 1024, &bytes) == 0); | |
140 | assert_se(bytes == (4ULL*1024 + 3)*1024*1024*1024 + 3); | |
141 | ||
142 | assert_se(parse_size(" 4 T 3 G 3 B", 1024, &bytes) == 0); | |
143 | assert_se(bytes == (4ULL*1024 + 3)*1024*1024*1024 + 3); | |
144 | ||
145 | assert_se(parse_size("12P", 1024, &bytes) == 0); | |
146 | assert_se(bytes == 12ULL * 1024*1024*1024*1024*1024); | |
147 | ||
148 | assert_se(parse_size("12P12P", 1024, &bytes) == -EINVAL); | |
149 | ||
150 | assert_se(parse_size("3E 2P", 1024, &bytes) == 0); | |
151 | assert_se(bytes == (3 * 1024 + 2ULL) * 1024*1024*1024*1024*1024); | |
152 | ||
153 | assert_se(parse_size("12X", 1024, &bytes) == -EINVAL); | |
154 | ||
155 | assert_se(parse_size("12.5X", 1024, &bytes) == -EINVAL); | |
156 | ||
157 | assert_se(parse_size("12.5e3", 1024, &bytes) == -EINVAL); | |
158 | ||
159 | assert_se(parse_size("1024E", 1024, &bytes) == -ERANGE); | |
160 | assert_se(parse_size("-1", 1024, &bytes) == -ERANGE); | |
161 | assert_se(parse_size("-1024E", 1024, &bytes) == -ERANGE); | |
162 | ||
163 | assert_se(parse_size("-1024P", 1024, &bytes) == -ERANGE); | |
164 | ||
165 | assert_se(parse_size("-10B 20K", 1024, &bytes) == -ERANGE); | |
166 | } | |
167 | ||
168 | static void test_parse_range(void) { | |
169 | unsigned lower, upper; | |
170 | ||
171 | /* Successful cases */ | |
172 | assert_se(parse_range("111", &lower, &upper) == 0); | |
173 | assert_se(lower == 111); | |
174 | assert_se(upper == 111); | |
175 | ||
176 | assert_se(parse_range("111-123", &lower, &upper) == 0); | |
177 | assert_se(lower == 111); | |
178 | assert_se(upper == 123); | |
179 | ||
180 | assert_se(parse_range("123-111", &lower, &upper) == 0); | |
181 | assert_se(lower == 123); | |
182 | assert_se(upper == 111); | |
183 | ||
184 | assert_se(parse_range("123-123", &lower, &upper) == 0); | |
185 | assert_se(lower == 123); | |
186 | assert_se(upper == 123); | |
187 | ||
188 | assert_se(parse_range("0", &lower, &upper) == 0); | |
189 | assert_se(lower == 0); | |
190 | assert_se(upper == 0); | |
191 | ||
192 | assert_se(parse_range("0-15", &lower, &upper) == 0); | |
193 | assert_se(lower == 0); | |
194 | assert_se(upper == 15); | |
195 | ||
196 | assert_se(parse_range("15-0", &lower, &upper) == 0); | |
197 | assert_se(lower == 15); | |
198 | assert_se(upper == 0); | |
199 | ||
200 | assert_se(parse_range("128-65535", &lower, &upper) == 0); | |
201 | assert_se(lower == 128); | |
202 | assert_se(upper == 65535); | |
203 | ||
204 | assert_se(parse_range("1024-4294967295", &lower, &upper) == 0); | |
205 | assert_se(lower == 1024); | |
206 | assert_se(upper == 4294967295); | |
207 | ||
208 | /* Leading whitespace is acceptable */ | |
209 | assert_se(parse_range(" 111", &lower, &upper) == 0); | |
210 | assert_se(lower == 111); | |
211 | assert_se(upper == 111); | |
212 | ||
213 | assert_se(parse_range(" 111-123", &lower, &upper) == 0); | |
214 | assert_se(lower == 111); | |
215 | assert_se(upper == 123); | |
216 | ||
217 | assert_se(parse_range("111- 123", &lower, &upper) == 0); | |
218 | assert_se(lower == 111); | |
219 | assert_se(upper == 123); | |
220 | ||
221 | assert_se(parse_range("\t111-\t123", &lower, &upper) == 0); | |
222 | assert_se(lower == 111); | |
223 | assert_se(upper == 123); | |
224 | ||
225 | assert_se(parse_range(" \t 111- \t 123", &lower, &upper) == 0); | |
226 | assert_se(lower == 111); | |
227 | assert_se(upper == 123); | |
228 | ||
229 | /* Error cases, make sure they fail as expected */ | |
230 | lower = upper = 9999; | |
231 | assert_se(parse_range("111garbage", &lower, &upper) == -EINVAL); | |
232 | assert_se(lower == 9999); | |
233 | assert_se(upper == 9999); | |
234 | ||
235 | assert_se(parse_range("garbage111", &lower, &upper) == -EINVAL); | |
236 | assert_se(lower == 9999); | |
237 | assert_se(upper == 9999); | |
238 | ||
239 | assert_se(parse_range("garbage", &lower, &upper) == -EINVAL); | |
240 | assert_se(lower == 9999); | |
241 | assert_se(upper == 9999); | |
242 | ||
243 | assert_se(parse_range("111-123garbage", &lower, &upper) == -EINVAL); | |
244 | assert_se(lower == 9999); | |
245 | assert_se(upper == 9999); | |
246 | ||
247 | assert_se(parse_range("111garbage-123", &lower, &upper) == -EINVAL); | |
248 | assert_se(lower == 9999); | |
249 | assert_se(upper == 9999); | |
250 | ||
251 | /* Empty string */ | |
252 | lower = upper = 9999; | |
253 | assert_se(parse_range("", &lower, &upper) == -EINVAL); | |
254 | assert_se(lower == 9999); | |
255 | assert_se(upper == 9999); | |
256 | ||
257 | /* 111--123 will pass -123 to safe_atou which returns -ERANGE for negative */ | |
258 | assert_se(parse_range("111--123", &lower, &upper) == -ERANGE); | |
259 | assert_se(lower == 9999); | |
260 | assert_se(upper == 9999); | |
261 | ||
262 | assert_se(parse_range("-111-123", &lower, &upper) == -EINVAL); | |
263 | assert_se(lower == 9999); | |
264 | assert_se(upper == 9999); | |
265 | ||
266 | assert_se(parse_range("111-123-", &lower, &upper) == -EINVAL); | |
267 | assert_se(lower == 9999); | |
268 | assert_se(upper == 9999); | |
269 | ||
270 | assert_se(parse_range("111.4-123", &lower, &upper) == -EINVAL); | |
271 | assert_se(lower == 9999); | |
272 | assert_se(upper == 9999); | |
273 | ||
274 | assert_se(parse_range("111-123.4", &lower, &upper) == -EINVAL); | |
275 | assert_se(lower == 9999); | |
276 | assert_se(upper == 9999); | |
277 | ||
278 | assert_se(parse_range("111,4-123", &lower, &upper) == -EINVAL); | |
279 | assert_se(lower == 9999); | |
280 | assert_se(upper == 9999); | |
281 | ||
282 | assert_se(parse_range("111-123,4", &lower, &upper) == -EINVAL); | |
283 | assert_se(lower == 9999); | |
284 | assert_se(upper == 9999); | |
285 | ||
286 | /* Error on trailing dash */ | |
287 | assert_se(parse_range("111-", &lower, &upper) == -EINVAL); | |
288 | assert_se(lower == 9999); | |
289 | assert_se(upper == 9999); | |
290 | ||
291 | assert_se(parse_range("111-123-", &lower, &upper) == -EINVAL); | |
292 | assert_se(lower == 9999); | |
293 | assert_se(upper == 9999); | |
294 | ||
295 | assert_se(parse_range("111--", &lower, &upper) == -EINVAL); | |
296 | assert_se(lower == 9999); | |
297 | assert_se(upper == 9999); | |
298 | ||
299 | assert_se(parse_range("111- ", &lower, &upper) == -EINVAL); | |
300 | assert_se(lower == 9999); | |
301 | assert_se(upper == 9999); | |
302 | ||
303 | /* Whitespace is not a separator */ | |
304 | assert_se(parse_range("111 123", &lower, &upper) == -EINVAL); | |
305 | assert_se(lower == 9999); | |
306 | assert_se(upper == 9999); | |
307 | ||
308 | assert_se(parse_range("111\t123", &lower, &upper) == -EINVAL); | |
309 | assert_se(lower == 9999); | |
310 | assert_se(upper == 9999); | |
311 | ||
312 | assert_se(parse_range("111 \t 123", &lower, &upper) == -EINVAL); | |
313 | assert_se(lower == 9999); | |
314 | assert_se(upper == 9999); | |
315 | ||
316 | /* Trailing whitespace is invalid (from safe_atou) */ | |
317 | assert_se(parse_range("111 ", &lower, &upper) == -EINVAL); | |
318 | assert_se(lower == 9999); | |
319 | assert_se(upper == 9999); | |
320 | ||
321 | assert_se(parse_range("111-123 ", &lower, &upper) == -EINVAL); | |
322 | assert_se(lower == 9999); | |
323 | assert_se(upper == 9999); | |
324 | ||
325 | assert_se(parse_range("111 -123", &lower, &upper) == -EINVAL); | |
326 | assert_se(lower == 9999); | |
327 | assert_se(upper == 9999); | |
328 | ||
329 | assert_se(parse_range("111 -123 ", &lower, &upper) == -EINVAL); | |
330 | assert_se(lower == 9999); | |
331 | assert_se(upper == 9999); | |
332 | ||
333 | assert_se(parse_range("111\t-123\t", &lower, &upper) == -EINVAL); | |
334 | assert_se(lower == 9999); | |
335 | assert_se(upper == 9999); | |
336 | ||
337 | assert_se(parse_range("111 \t -123 \t ", &lower, &upper) == -EINVAL); | |
338 | assert_se(lower == 9999); | |
339 | assert_se(upper == 9999); | |
340 | ||
341 | /* Out of the "unsigned" range, this is 1<<64 */ | |
342 | assert_se(parse_range("0-18446744073709551616", &lower, &upper) == -ERANGE); | |
343 | assert_se(lower == 9999); | |
344 | assert_se(upper == 9999); | |
345 | } | |
346 | ||
347 | static void test_safe_atolli(void) { | |
348 | int r; | |
349 | long long l; | |
350 | ||
351 | r = safe_atolli("12345", &l); | |
352 | assert_se(r == 0); | |
353 | assert_se(l == 12345); | |
354 | ||
5c280bcc MP |
355 | r = safe_atolli(" 12345", &l); |
356 | assert_se(r == 0); | |
357 | assert_se(l == 12345); | |
358 | ||
359 | r = safe_atolli("-12345", &l); | |
360 | assert_se(r == 0); | |
361 | assert_se(l == -12345); | |
362 | ||
363 | r = safe_atolli(" -12345", &l); | |
364 | assert_se(r == 0); | |
365 | assert_se(l == -12345); | |
366 | ||
367 | r = safe_atolli("12345678901234567890", &l); | |
368 | assert_se(r == -ERANGE); | |
369 | ||
370 | r = safe_atolli("-12345678901234567890", &l); | |
371 | assert_se(r == -ERANGE); | |
372 | ||
bb269eed FB |
373 | r = safe_atolli("junk", &l); |
374 | assert_se(r == -EINVAL); | |
375 | } | |
376 | ||
377 | static void test_safe_atou16(void) { | |
378 | int r; | |
379 | uint16_t l; | |
380 | ||
381 | r = safe_atou16("12345", &l); | |
382 | assert_se(r == 0); | |
383 | assert_se(l == 12345); | |
384 | ||
5c280bcc MP |
385 | r = safe_atou16(" 12345", &l); |
386 | assert_se(r == 0); | |
387 | assert_se(l == 12345); | |
388 | ||
bb269eed FB |
389 | r = safe_atou16("123456", &l); |
390 | assert_se(r == -ERANGE); | |
391 | ||
5c280bcc MP |
392 | r = safe_atou16("-1", &l); |
393 | assert_se(r == -ERANGE); | |
394 | ||
395 | r = safe_atou16(" -1", &l); | |
396 | assert_se(r == -ERANGE); | |
397 | ||
bb269eed FB |
398 | r = safe_atou16("junk", &l); |
399 | assert_se(r == -EINVAL); | |
400 | } | |
401 | ||
402 | static void test_safe_atoi16(void) { | |
403 | int r; | |
404 | int16_t l; | |
405 | ||
406 | r = safe_atoi16("-12345", &l); | |
407 | assert_se(r == 0); | |
408 | assert_se(l == -12345); | |
409 | ||
5c280bcc MP |
410 | r = safe_atoi16(" -12345", &l); |
411 | assert_se(r == 0); | |
412 | assert_se(l == -12345); | |
413 | ||
414 | r = safe_atoi16("32767", &l); | |
415 | assert_se(r == 0); | |
416 | assert_se(l == 32767); | |
417 | ||
418 | r = safe_atoi16(" 32767", &l); | |
419 | assert_se(r == 0); | |
420 | assert_se(l == 32767); | |
421 | ||
bb269eed FB |
422 | r = safe_atoi16("36536", &l); |
423 | assert_se(r == -ERANGE); | |
424 | ||
5c280bcc MP |
425 | r = safe_atoi16("-32769", &l); |
426 | assert_se(r == -ERANGE); | |
427 | ||
bb269eed FB |
428 | r = safe_atoi16("junk", &l); |
429 | assert_se(r == -EINVAL); | |
430 | } | |
431 | ||
432 | static void test_safe_atod(void) { | |
433 | int r; | |
434 | double d; | |
435 | char *e; | |
436 | ||
437 | r = safe_atod("junk", &d); | |
438 | assert_se(r == -EINVAL); | |
439 | ||
440 | r = safe_atod("0.2244", &d); | |
441 | assert_se(r == 0); | |
442 | assert_se(fabs(d - 0.2244) < 0.000001); | |
443 | ||
444 | r = safe_atod("0,5", &d); | |
445 | assert_se(r == -EINVAL); | |
446 | ||
447 | errno = 0; | |
448 | strtod("0,5", &e); | |
449 | assert_se(*e == ','); | |
450 | ||
451 | /* Check if this really is locale independent */ | |
452 | if (setlocale(LC_NUMERIC, "de_DE.utf8")) { | |
453 | ||
454 | r = safe_atod("0.2244", &d); | |
455 | assert_se(r == 0); | |
456 | assert_se(fabs(d - 0.2244) < 0.000001); | |
457 | ||
458 | r = safe_atod("0,5", &d); | |
459 | assert_se(r == -EINVAL); | |
460 | ||
461 | errno = 0; | |
462 | assert_se(fabs(strtod("0,5", &e) - 0.5) < 0.00001); | |
463 | } | |
464 | ||
465 | /* And check again, reset */ | |
466 | assert_se(setlocale(LC_NUMERIC, "C")); | |
467 | ||
468 | r = safe_atod("0.2244", &d); | |
469 | assert_se(r == 0); | |
470 | assert_se(fabs(d - 0.2244) < 0.000001); | |
471 | ||
472 | r = safe_atod("0,5", &d); | |
473 | assert_se(r == -EINVAL); | |
474 | ||
475 | errno = 0; | |
476 | strtod("0,5", &e); | |
477 | assert_se(*e == ','); | |
478 | } | |
479 | ||
480 | int main(int argc, char *argv[]) { | |
481 | log_parse_environment(); | |
482 | log_open(); | |
483 | ||
484 | test_parse_boolean(); | |
485 | test_parse_pid(); | |
486 | test_parse_mode(); | |
487 | test_parse_size(); | |
488 | test_parse_range(); | |
489 | test_safe_atolli(); | |
490 | test_safe_atou16(); | |
491 | test_safe_atoi16(); | |
492 | test_safe_atod(); | |
493 | ||
494 | return 0; | |
495 | } |