Line data Source code
1 : /* SPDX-License-Identifier: LGPL-2.1+ */
2 :
3 : #include "conf-parser.h"
4 : #include "fd-util.h"
5 : #include "fs-util.h"
6 : #include "log.h"
7 : #include "macro.h"
8 : #include "string-util.h"
9 : #include "strv.h"
10 : #include "tmpfile-util.h"
11 : #include "util.h"
12 :
13 7 : static void test_config_parse_path_one(const char *rvalue, const char *expected) {
14 7 : _cleanup_free_ char *path = NULL;
15 :
16 7 : assert_se(config_parse_path("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &path, NULL) >= 0);
17 7 : assert_se(streq_ptr(expected, path));
18 7 : }
19 :
20 3 : static void test_config_parse_log_level_one(const char *rvalue, int expected) {
21 3 : int log_level = 0;
22 :
23 3 : assert_se(config_parse_log_level("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &log_level, NULL) >= 0);
24 3 : assert_se(expected == log_level);
25 3 : }
26 :
27 3 : static void test_config_parse_log_facility_one(const char *rvalue, int expected) {
28 3 : int log_facility = 0;
29 :
30 3 : assert_se(config_parse_log_facility("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &log_facility, NULL) >= 0);
31 3 : assert_se(expected == log_facility);
32 3 : }
33 :
34 9 : static void test_config_parse_iec_size_one(const char *rvalue, size_t expected) {
35 9 : size_t iec_size = 0;
36 :
37 9 : assert_se(config_parse_iec_size("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &iec_size, NULL) >= 0);
38 9 : assert_se(expected == iec_size);
39 9 : }
40 :
41 9 : static void test_config_parse_si_size_one(const char *rvalue, size_t expected) {
42 9 : size_t si_size = 0;
43 :
44 9 : assert_se(config_parse_si_size("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &si_size, NULL) >= 0);
45 9 : assert_se(expected == si_size);
46 9 : }
47 :
48 7 : static void test_config_parse_int_one(const char *rvalue, int expected) {
49 7 : int v = -1;
50 :
51 7 : assert_se(config_parse_int("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &v, NULL) >= 0);
52 7 : assert_se(expected == v);
53 7 : }
54 :
55 7 : static void test_config_parse_unsigned_one(const char *rvalue, unsigned expected) {
56 7 : unsigned v = 0;
57 :
58 7 : assert_se(config_parse_unsigned("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &v, NULL) >= 0);
59 7 : assert_se(expected == v);
60 7 : }
61 :
62 6 : static void test_config_parse_strv_one(const char *rvalue, char **expected) {
63 6 : _cleanup_strv_free_ char **strv = NULL;
64 :
65 6 : assert_se(config_parse_strv("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &strv, NULL) >= 0);
66 6 : assert_se(strv_equal(expected, strv));
67 6 : }
68 :
69 7 : static void test_config_parse_mode_one(const char *rvalue, mode_t expected) {
70 7 : mode_t v = 0;
71 :
72 7 : assert_se(config_parse_mode("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &v, NULL) >= 0);
73 7 : assert_se(expected == v);
74 7 : }
75 :
76 7 : static void test_config_parse_sec_one(const char *rvalue, usec_t expected) {
77 7 : usec_t v = 0;
78 :
79 7 : assert_se(config_parse_sec("unit", "filename", 1, "section", 1, "lvalue", 0, rvalue, &v, NULL) >= 0);
80 7 : assert_se(expected == v);
81 7 : }
82 :
83 7 : static void test_config_parse_nsec_one(const char *rvalue, nsec_t expected) {
84 7 : nsec_t v = 0;
85 :
86 7 : assert_se(config_parse_nsec("unit", "filename", 1, "nsection", 1, "lvalue", 0, rvalue, &v, NULL) >= 0);
87 7 : assert_se(expected == v);
88 7 : }
89 :
90 1 : static void test_config_parse_path(void) {
91 1 : test_config_parse_path_one("/path", "/path");
92 1 : test_config_parse_path_one("/path//////////", "/path");
93 1 : test_config_parse_path_one("///path/foo///bar////bar//", "/path/foo/bar/bar");
94 1 : test_config_parse_path_one("/path//./////hogehoge///.", "/path/hogehoge");
95 1 : test_config_parse_path_one("/path/\xc3\x80", "/path/\xc3\x80");
96 :
97 1 : test_config_parse_path_one("not_absolute/path", NULL);
98 1 : test_config_parse_path_one("/path/\xc3\x7f", NULL);
99 1 : }
100 :
101 1 : static void test_config_parse_log_level(void) {
102 1 : test_config_parse_log_level_one("debug", LOG_DEBUG);
103 1 : test_config_parse_log_level_one("info", LOG_INFO);
104 :
105 1 : test_config_parse_log_level_one("garbage", 0);
106 1 : }
107 :
108 1 : static void test_config_parse_log_facility(void) {
109 1 : test_config_parse_log_facility_one("mail", LOG_MAIL);
110 1 : test_config_parse_log_facility_one("user", LOG_USER);
111 :
112 1 : test_config_parse_log_facility_one("garbage", 0);
113 1 : }
114 :
115 1 : static void test_config_parse_iec_size(void) {
116 1 : test_config_parse_iec_size_one("1024", 1024);
117 1 : test_config_parse_iec_size_one("2K", 2048);
118 1 : test_config_parse_iec_size_one("10M", 10 * 1024 * 1024);
119 1 : test_config_parse_iec_size_one("1G", 1 * 1024 * 1024 * 1024);
120 1 : test_config_parse_iec_size_one("0G", 0);
121 1 : test_config_parse_iec_size_one("0", 0);
122 :
123 1 : test_config_parse_iec_size_one("-982", 0);
124 1 : test_config_parse_iec_size_one("49874444198739873000000G", 0);
125 1 : test_config_parse_iec_size_one("garbage", 0);
126 1 : }
127 :
128 1 : static void test_config_parse_si_size(void) {
129 1 : test_config_parse_si_size_one("1024", 1024);
130 1 : test_config_parse_si_size_one("2K", 2000);
131 1 : test_config_parse_si_size_one("10M", 10 * 1000 * 1000);
132 1 : test_config_parse_si_size_one("1G", 1 * 1000 * 1000 * 1000);
133 1 : test_config_parse_si_size_one("0G", 0);
134 1 : test_config_parse_si_size_one("0", 0);
135 :
136 1 : test_config_parse_si_size_one("-982", 0);
137 1 : test_config_parse_si_size_one("49874444198739873000000G", 0);
138 1 : test_config_parse_si_size_one("garbage", 0);
139 1 : }
140 :
141 1 : static void test_config_parse_int(void) {
142 1 : test_config_parse_int_one("1024", 1024);
143 1 : test_config_parse_int_one("-1024", -1024);
144 1 : test_config_parse_int_one("0", 0);
145 :
146 1 : test_config_parse_int_one("99999999999999999999999999999999999999999999999999999999", -1);
147 1 : test_config_parse_int_one("-99999999999999999999999999999999999999999999999999999999", -1);
148 1 : test_config_parse_int_one("1G", -1);
149 1 : test_config_parse_int_one("garbage", -1);
150 1 : }
151 :
152 1 : static void test_config_parse_unsigned(void) {
153 1 : test_config_parse_unsigned_one("10241024", 10241024);
154 1 : test_config_parse_unsigned_one("1024", 1024);
155 1 : test_config_parse_unsigned_one("0", 0);
156 :
157 1 : test_config_parse_unsigned_one("99999999999999999999999999999999999999999999999999999999", 0);
158 1 : test_config_parse_unsigned_one("1G", 0);
159 1 : test_config_parse_unsigned_one("garbage", 0);
160 1 : test_config_parse_unsigned_one("1000garbage", 0);
161 1 : }
162 :
163 1 : static void test_config_parse_strv(void) {
164 1 : test_config_parse_strv_one("", STRV_MAKE_EMPTY);
165 1 : test_config_parse_strv_one("foo", STRV_MAKE("foo"));
166 1 : test_config_parse_strv_one("foo bar foo", STRV_MAKE("foo", "bar", "foo"));
167 1 : test_config_parse_strv_one("\"foo bar\" foo", STRV_MAKE("foo bar", "foo"));
168 1 : test_config_parse_strv_one("\xc3\x80", STRV_MAKE("\xc3\x80"));
169 1 : test_config_parse_strv_one("\xc3\x7f", STRV_MAKE("\xc3\x7f"));
170 1 : }
171 :
172 1 : static void test_config_parse_mode(void) {
173 1 : test_config_parse_mode_one("777", 0777);
174 1 : test_config_parse_mode_one("644", 0644);
175 :
176 1 : test_config_parse_mode_one("-777", 0);
177 1 : test_config_parse_mode_one("999", 0);
178 1 : test_config_parse_mode_one("garbage", 0);
179 1 : test_config_parse_mode_one("777garbage", 0);
180 1 : test_config_parse_mode_one("777 garbage", 0);
181 1 : }
182 :
183 1 : static void test_config_parse_sec(void) {
184 1 : test_config_parse_sec_one("1", 1 * USEC_PER_SEC);
185 1 : test_config_parse_sec_one("1s", 1 * USEC_PER_SEC);
186 1 : test_config_parse_sec_one("100ms", 100 * USEC_PER_MSEC);
187 1 : test_config_parse_sec_one("5min 20s", 5 * 60 * USEC_PER_SEC + 20 * USEC_PER_SEC);
188 :
189 1 : test_config_parse_sec_one("-1", 0);
190 1 : test_config_parse_sec_one("10foo", 0);
191 1 : test_config_parse_sec_one("garbage", 0);
192 1 : }
193 :
194 1 : static void test_config_parse_nsec(void) {
195 1 : test_config_parse_nsec_one("1", 1);
196 1 : test_config_parse_nsec_one("1s", 1 * NSEC_PER_SEC);
197 1 : test_config_parse_nsec_one("100ms", 100 * NSEC_PER_MSEC);
198 1 : test_config_parse_nsec_one("5min 20s", 5 * 60 * NSEC_PER_SEC + 20 * NSEC_PER_SEC);
199 :
200 1 : test_config_parse_nsec_one("-1", 0);
201 1 : test_config_parse_nsec_one("10foo", 0);
202 1 : test_config_parse_nsec_one("garbage", 0);
203 1 : }
204 :
205 1 : static void test_config_parse_iec_uint64(void) {
206 1 : uint64_t offset = 0;
207 1 : assert_se(config_parse_iec_uint64(NULL, "/this/file", 11, "Section", 22, "Size", 0, "4M", &offset, NULL) == 0);
208 1 : assert_se(offset == 4 * 1024 * 1024);
209 :
210 1 : assert_se(config_parse_iec_uint64(NULL, "/this/file", 11, "Section", 22, "Size", 0, "4.5M", &offset, NULL) == 0);
211 1 : }
212 :
213 : #define x10(x) x x x x x x x x x x
214 : #define x100(x) x10(x10(x))
215 : #define x1000(x) x10(x100(x))
216 :
217 : static const char* const config_file[] = {
218 : "[Section]\n"
219 : "setting1=1\n",
220 :
221 : "[Section]\n"
222 : "setting1=1", /* no terminating newline */
223 :
224 : "\n\n\n\n[Section]\n\n\n"
225 : "setting1=1", /* some whitespace, no terminating newline */
226 :
227 : "[Section]\n"
228 : "[Section]\n"
229 : "setting1=1\n"
230 : "setting1=2\n"
231 : "setting1=1\n", /* repeated settings */
232 :
233 : "[Section]\n"
234 : "[Section]\n"
235 : "setting1=1\n"
236 : "setting1=2\\\n"
237 : " \n" /* empty line breaks continuation */
238 : "setting1=1\n", /* repeated settings */
239 :
240 : "[Section]\n"
241 : "setting1=1\\\n" /* normal continuation */
242 : "2\\\n"
243 : "3\n",
244 :
245 : "[Section]\n"
246 : "#hogehoge\\\n" /* continuation is ignored in comment */
247 : "setting1=1\\\n" /* normal continuation */
248 : "2\\\n"
249 : "3\n",
250 :
251 : "[Section]\n"
252 : "setting1=1\\\n" /* normal continuation */
253 : "#hogehoge\\\n" /* commented out line in continuation is ignored */
254 : "2\\\n"
255 : "3\n",
256 :
257 : "[Section]\n"
258 : " #hogehoge\\\n" /* whitespaces before comments */
259 : " setting1=1\\\n" /* whitespaces before key */
260 : "2\\\n"
261 : "3\n",
262 :
263 : "[Section]\n"
264 : " setting1=1\\\n" /* whitespaces before key */
265 : " #hogehoge\\\n" /* commented out line prefixed with whitespaces in continuation */
266 : "2\\\n"
267 : "3\n",
268 :
269 : "[Section]\n"
270 : "setting1=1\\\n" /* continuation with extra trailing backslash at the end */
271 : "2\\\n"
272 : "3\\\n",
273 :
274 : "[Section]\n"
275 : "setting1=1\\\\\\\n" /* continuation with trailing escape symbols */
276 : "\\\\2\n", /* note that C requires one level of escaping, so the
277 : * parser gets "…1 BS BS BS NL BS BS 2 NL", which
278 : * it translates into "…1 BS BS SP BS BS 2" */
279 :
280 : "\n[Section]\n\n"
281 : "setting1=" /* a line above LINE_MAX length */
282 : x1000("ABCD")
283 : "\n",
284 :
285 : "[Section]\n"
286 : "setting1=" /* a line above LINE_MAX length, with continuation */
287 : x1000("ABCD") "\\\n"
288 : "foobar",
289 :
290 : "[Section]\n"
291 : "setting1=" /* a line above LINE_MAX length, with continuation */
292 : x1000("ABCD") "\\\n" /* and an extra trailing backslash */
293 : "foobar\\\n",
294 :
295 : "[Section]\n"
296 : "setting1=" /* a line above the allowed limit: 9 + 1050000 + 1 */
297 : x1000(x1000("x") x10("abcde")) "\n",
298 :
299 : "[Section]\n"
300 : "setting1=" /* many continuation lines, together above the limit */
301 : x1000(x1000("x") x10("abcde") "\\\n") "xxx",
302 : };
303 :
304 17 : static void test_config_parse(unsigned i, const char *s) {
305 17 : _cleanup_(unlink_tempfilep) char name[] = "/tmp/test-conf-parser.XXXXXX";
306 17 : _cleanup_fclose_ FILE *f = NULL;
307 34 : _cleanup_free_ char *setting1 = NULL;
308 : int r;
309 :
310 17 : const ConfigTableItem items[] = {
311 : { "Section", "setting1", config_parse_string, 0, &setting1},
312 : {}
313 : };
314 :
315 17 : log_info("== %s[%i] ==", __func__, i);
316 :
317 17 : assert_se(fmkostemp_safe(name, "r+", &f) == 0);
318 17 : assert_se(fwrite(s, strlen(s), 1, f) == 1);
319 17 : rewind(f);
320 :
321 : /*
322 : int config_parse(const char *unit,
323 : const char *filename,
324 : FILE *f,
325 : const char *sections,
326 : ConfigItemLookup lookup,
327 : const void *table,
328 : bool relaxed,
329 : bool allow_include,
330 : bool warn,
331 : void *userdata)
332 : */
333 :
334 17 : r = config_parse(NULL, name, f,
335 : "Section\0",
336 : config_item_table_lookup, items,
337 : CONFIG_PARSE_WARN, NULL);
338 :
339 17 : switch (i) {
340 5 : case 0 ... 4:
341 5 : assert_se(r == 0);
342 5 : assert_se(streq(setting1, "1"));
343 5 : break;
344 :
345 6 : case 5 ... 10:
346 6 : assert_se(r == 0);
347 6 : assert_se(streq(setting1, "1 2 3"));
348 6 : break;
349 :
350 1 : case 11:
351 1 : assert_se(r == 0);
352 1 : assert_se(streq(setting1, "1\\\\ \\\\2"));
353 1 : break;
354 :
355 1 : case 12:
356 1 : assert_se(r == 0);
357 1 : assert_se(streq(setting1, x1000("ABCD")));
358 1 : break;
359 :
360 2 : case 13 ... 14:
361 2 : assert_se(r == 0);
362 2 : assert_se(streq(setting1, x1000("ABCD") " foobar"));
363 2 : break;
364 :
365 2 : case 15 ... 16:
366 2 : assert_se(r == -ENOBUFS);
367 2 : assert_se(setting1 == NULL);
368 2 : break;
369 : }
370 17 : }
371 :
372 1 : int main(int argc, char **argv) {
373 : unsigned i;
374 :
375 1 : log_parse_environment();
376 1 : log_open();
377 :
378 1 : test_config_parse_path();
379 1 : test_config_parse_log_level();
380 1 : test_config_parse_log_facility();
381 1 : test_config_parse_iec_size();
382 1 : test_config_parse_si_size();
383 1 : test_config_parse_int();
384 1 : test_config_parse_unsigned();
385 1 : test_config_parse_strv();
386 1 : test_config_parse_mode();
387 1 : test_config_parse_sec();
388 1 : test_config_parse_nsec();
389 1 : test_config_parse_iec_uint64();
390 :
391 18 : for (i = 0; i < ELEMENTSOF(config_file); i++)
392 17 : test_config_parse(i, config_file[i]);
393 :
394 1 : return 0;
395 : }
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