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89045ec6 MT |
1 | /*############################################################################# |
2 | # # | |
3 | # Pakfire - The IPFire package management system # | |
4 | # Copyright (C) 2019 Pakfire development team # | |
5 | # # | |
6 | # This program is free software: you can redistribute it and/or modify # | |
7 | # it under the terms of the GNU General Public License as published by # | |
8 | # the Free Software Foundation, either version 3 of the License, or # | |
9 | # (at your option) any later version. # | |
10 | # # | |
11 | # This program is distributed in the hope that it will be useful, # | |
12 | # but WITHOUT ANY WARRANTY; without even the implied warranty of # | |
13 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # | |
14 | # GNU General Public License for more details. # | |
15 | # # | |
16 | # You should have received a copy of the GNU General Public License # | |
17 | # along with this program. If not, see <http://www.gnu.org/licenses/>. # | |
18 | # # | |
19 | #############################################################################*/ | |
20 | ||
5d901566 | 21 | #include <errno.h> |
fa3cff8d | 22 | #include <fnmatch.h> |
20440ba7 | 23 | #include <linux/limits.h> |
fb077c4c | 24 | #include <regex.h> |
f0d6233d | 25 | #include <stdlib.h> |
fb077c4c | 26 | #include <string.h> |
d73ca64f MT |
27 | #include <time.h> |
28 | #include <unistd.h> | |
fb077c4c | 29 | |
c178c275 MT |
30 | #define PCRE2_CODE_UNIT_WIDTH 8 |
31 | #include <pcre2.h> | |
32 | ||
2a623cf8 | 33 | #include <pakfire/dependencies.h> |
0de6bb30 | 34 | #include <pakfire/jail.h> |
fb077c4c | 35 | #include <pakfire/logging.h> |
f59d680a | 36 | #include <pakfire/package.h> |
89045ec6 | 37 | #include <pakfire/parser.h> |
fb077c4c | 38 | #include <pakfire/pakfire.h> |
d973a13d | 39 | #include <pakfire/string.h> |
89045ec6 MT |
40 | #include <pakfire/util.h> |
41 | ||
657a5c72 | 42 | struct pakfire_parser { |
ac4c607b | 43 | struct pakfire* pakfire; |
fb077c4c MT |
44 | int nrefs; |
45 | ||
657a5c72 | 46 | struct pakfire_parser* parent; |
2dd267d4 | 47 | int flags; |
1141075e MT |
48 | char* namespace; |
49 | ||
8868318d | 50 | struct pakfire_parser_declaration** declarations; |
6d206cc9 | 51 | size_t num_declarations; |
c178c275 MT |
52 | |
53 | // Regular expressions | |
d25dd74f | 54 | pcre2_code* regex_command; |
c178c275 | 55 | pcre2_code* regex_variable; |
fb077c4c MT |
56 | }; |
57 | ||
657a5c72 | 58 | static int pakfire_parser_compile_regex(struct pakfire_parser* parser, pcre2_code** regex, |
bf7acff3 | 59 | const char* pattern) { |
c178c275 MT |
60 | int pcre2_errno; |
61 | size_t pcre2_offset; | |
62 | PCRE2_UCHAR errmsg[256]; | |
63 | ||
bf7acff3 MT |
64 | // Compile the regular expression |
65 | *regex = pcre2_compile((PCRE2_SPTR)pattern, PCRE2_ZERO_TERMINATED, 0, | |
66 | &pcre2_errno, &pcre2_offset, NULL); | |
d25dd74f | 67 | |
bf7acff3 MT |
68 | if (!*regex) { |
69 | pcre2_get_error_message(pcre2_errno, errmsg, sizeof(errmsg)); | |
70 | ERROR(parser->pakfire, "PCRE2 compilation failed for '%s' at offset %zu: %s\n", | |
71 | pattern, pcre2_offset, errmsg); | |
72 | return 1; | |
73 | } | |
d25dd74f | 74 | |
bf7acff3 MT |
75 | // Enable JIT |
76 | pcre2_errno = pcre2_jit_compile(*regex, PCRE2_JIT_COMPLETE); | |
77 | if (pcre2_errno) { | |
78 | pcre2_get_error_message(pcre2_errno, errmsg, sizeof(errmsg)); | |
79 | ERROR(parser->pakfire, "Enabling JIT on '%s' failed: %s\n", pattern, errmsg); | |
80 | return 1; | |
d25dd74f MT |
81 | } |
82 | ||
bf7acff3 MT |
83 | return 0; |
84 | } | |
c178c275 | 85 | |
657a5c72 | 86 | static int pakfire_parser_compile_regexes(struct pakfire_parser* parser) { |
bf7acff3 | 87 | int r; |
c178c275 | 88 | |
bf7acff3 | 89 | // Commands |
e614c5a6 | 90 | if (!parser->regex_command && (parser->flags & PAKFIRE_PARSER_FLAGS_EXPAND_COMMANDS)) { |
bf7acff3 | 91 | r = pakfire_parser_compile_regex(parser, |
e614c5a6 | 92 | &parser->regex_command, "%(\\(((?>[^()]|(?1))*)\\))"); |
bf7acff3 MT |
93 | if (r) |
94 | return r; | |
95 | } | |
a41868f9 | 96 | |
bf7acff3 MT |
97 | // Variables |
98 | if (!parser->regex_variable) { | |
99 | r = pakfire_parser_compile_regex(parser, | |
100 | &parser->regex_variable, "%\\{([A-Za-z0-9_\\-]+)\\}"); | |
101 | if (r) | |
102 | return r; | |
c178c275 MT |
103 | } |
104 | ||
105 | return 0; | |
106 | } | |
107 | ||
ac4c607b | 108 | struct pakfire_parser* pakfire_parser_create(struct pakfire* pakfire, |
657a5c72 MT |
109 | struct pakfire_parser* parent, const char* namespace, int flags) { |
110 | struct pakfire_parser* parser = calloc(1, sizeof(*parser)); | |
fb077c4c MT |
111 | if (parser) { |
112 | parser->pakfire = pakfire_ref(pakfire); | |
c0f1c1f2 | 113 | parser->nrefs = 1; |
fb077c4c | 114 | |
d310f14c MT |
115 | // Store a reference to the parent parser if we have one |
116 | if (parent) | |
117 | parser->parent = pakfire_parser_ref(parent); | |
118 | ||
2dd267d4 MT |
119 | // Store flags |
120 | parser->flags = flags; | |
121 | ||
1141075e | 122 | // Make namespace |
713da225 | 123 | pakfire_parser_set_namespace(parser, namespace); |
fb077c4c MT |
124 | } |
125 | ||
126 | return parser; | |
127 | } | |
128 | ||
638abead | 129 | struct pakfire_parser* pakfire_parser_create_child(struct pakfire_parser* parser, const char* namespace) { |
2dd267d4 | 130 | return pakfire_parser_create(parser->pakfire, parser, namespace, parser->flags); |
fb08a3af MT |
131 | } |
132 | ||
638abead | 133 | struct pakfire_parser* pakfire_parser_ref(struct pakfire_parser* parser) { |
d310f14c MT |
134 | ++parser->nrefs; |
135 | ||
136 | return parser; | |
137 | } | |
138 | ||
ac4c607b | 139 | struct pakfire* pakfire_parser_get_pakfire(struct pakfire_parser* parser) { |
fb077c4c MT |
140 | return pakfire_ref(parser->pakfire); |
141 | } | |
142 | ||
657a5c72 | 143 | static void pakfire_parser_free_declarations(struct pakfire_parser* parser) { |
8868318d MT |
144 | if (!parser->declarations) |
145 | return; | |
146 | ||
6d206cc9 MT |
147 | for (unsigned int i = 0; i < parser->num_declarations; i++) { |
148 | struct pakfire_parser_declaration* d = parser->declarations[i]; | |
f2aa4592 | 149 | |
f2aa4592 | 150 | // Free everything |
f2aa4592 | 151 | if (d->value) |
f0d6233d MT |
152 | free(d->value); |
153 | free(d); | |
fb077c4c | 154 | } |
8868318d MT |
155 | |
156 | free(parser->declarations); | |
fb077c4c MT |
157 | } |
158 | ||
657a5c72 | 159 | static void pakfire_parser_free(struct pakfire_parser* parser) { |
c178c275 MT |
160 | // Release regular expressions |
161 | if (parser->regex_variable) | |
162 | pcre2_code_free(parser->regex_variable); | |
163 | ||
6d206cc9 | 164 | pakfire_parser_free_declarations(parser); |
7fb3defa | 165 | |
6d206cc9 | 166 | if (parser->namespace) |
f0d6233d | 167 | free(parser->namespace); |
fb077c4c | 168 | |
7fb3defa MT |
169 | if (parser->parent) |
170 | pakfire_parser_unref(parser->parent); | |
171 | ||
fb077c4c | 172 | pakfire_unref(parser->pakfire); |
f0d6233d | 173 | free(parser); |
fb077c4c MT |
174 | } |
175 | ||
638abead | 176 | struct pakfire_parser* pakfire_parser_unref(struct pakfire_parser* parser) { |
fb077c4c MT |
177 | if (--parser->nrefs > 0) |
178 | return parser; | |
179 | ||
180 | pakfire_parser_free(parser); | |
181 | return NULL; | |
182 | } | |
183 | ||
638abead | 184 | struct pakfire_parser* pakfire_parser_get_parent(struct pakfire_parser* parser) { |
b1b15235 MT |
185 | if (parser->parent) |
186 | return pakfire_parser_ref(parser->parent); | |
187 | ||
188 | return NULL; | |
189 | } | |
190 | ||
fb077c4c | 191 | static struct pakfire_parser_declaration* pakfire_parser_get_declaration( |
657a5c72 | 192 | struct pakfire_parser* parser, const char* namespace, const char* name) { |
20440ba7 MT |
193 | if (!name) { |
194 | errno = EINVAL; | |
195 | return NULL; | |
196 | } | |
197 | ||
198 | if (!namespace) | |
199 | namespace = ""; | |
fb077c4c | 200 | |
3f6e35a7 MT |
201 | if (*namespace) |
202 | DEBUG(parser->pakfire, "%p: Looking up %s.%s\n", parser, namespace, name); | |
f4d93071 | 203 | else |
3f6e35a7 | 204 | DEBUG(parser->pakfire, "%p: Looking up %s\n", parser, name); |
f4d93071 | 205 | |
20440ba7 | 206 | struct pakfire_parser_declaration* d; |
fb077c4c MT |
207 | for (unsigned i = 0; i < parser->num_declarations; i++) { |
208 | d = parser->declarations[i]; | |
209 | if (!d) | |
210 | break; | |
211 | ||
20440ba7 | 212 | // Return if namespace and name match |
3f6e35a7 MT |
213 | if ((strcmp(d->namespace, namespace) == 0) && (strcmp(d->name, name) == 0)) { |
214 | DEBUG(parser->pakfire, "%p: Found result = %s\n", parser, d->value); | |
215 | ||
216 | return d; | |
217 | } | |
218 | } | |
219 | ||
220 | DEBUG(parser->pakfire, "%p: Nothing found\n", parser); | |
221 | ||
222 | return NULL; | |
223 | } | |
224 | ||
225 | static struct pakfire_parser_declaration* pakfire_parser_get_declaration_recursive( | |
657a5c72 | 226 | struct pakfire_parser* parser, const char* namespace, const char* name) { |
3f6e35a7 MT |
227 | struct pakfire_parser_declaration* d = pakfire_parser_get_declaration( |
228 | parser, namespace, name); | |
229 | if (d) | |
230 | return d; | |
231 | ||
232 | // Continue searching in parent parser | |
233 | if (parser->parent) | |
234 | return pakfire_parser_get_declaration_recursive(parser->parent, namespace, name); | |
235 | ||
236 | return NULL; | |
237 | } | |
238 | ||
239 | static void pakfire_parser_strip_namespace(char** s) { | |
240 | char* pos = strrchr(*s, '.'); | |
241 | ||
242 | if (pos) | |
243 | (*s)[pos - *s] = '\0'; | |
244 | else | |
245 | (*s)[0] = '\0'; | |
246 | } | |
247 | ||
248 | static struct pakfire_parser_declaration* pakfire_parser_find_declaration( | |
657a5c72 | 249 | struct pakfire_parser* parser, const char* namespace, const char* name) { |
3f6e35a7 MT |
250 | struct pakfire_parser_declaration* d; |
251 | char* n = NULL; | |
252 | ||
253 | // Create a working copy of namespace | |
254 | if (namespace) | |
255 | n = strdupa(namespace); | |
256 | ||
257 | while (1) { | |
258 | d = pakfire_parser_get_declaration_recursive(parser, n, name); | |
259 | if (d && d->value) | |
fb077c4c | 260 | return d; |
3f6e35a7 MT |
261 | |
262 | // End if we have exhausted the namespace | |
263 | if (!n || !*n) | |
264 | break; | |
265 | ||
266 | // Strip namespace | |
267 | pakfire_parser_strip_namespace(&n); | |
fb077c4c MT |
268 | } |
269 | ||
3f6e35a7 | 270 | // Nothing found |
fb077c4c MT |
271 | return NULL; |
272 | } | |
273 | ||
638abead | 274 | int pakfire_parser_set(struct pakfire_parser* parser, |
fea2e884 | 275 | const char* namespace, const char* name, const char* value, int flags) { |
5d901566 MT |
276 | if (!name) |
277 | return -EINVAL; | |
278 | ||
20440ba7 MT |
279 | if (!namespace) |
280 | namespace = ""; | |
281 | ||
5e5f2d2b | 282 | // Handle when name already exists |
aa75cc88 | 283 | struct pakfire_parser_declaration* d = pakfire_parser_get_declaration(parser, namespace, name); |
5e5f2d2b MT |
284 | if (d) { |
285 | // Replace value | |
286 | if (d->value) | |
f0d6233d | 287 | free(d->value); |
5d901566 MT |
288 | |
289 | if (value) | |
290 | d->value = strdup(value); | |
713da225 MT |
291 | else |
292 | d->value = NULL; | |
5e5f2d2b | 293 | |
fea2e884 MT |
294 | // Update flags |
295 | if (flags) | |
296 | d->flags = flags; | |
297 | ||
aa75cc88 MT |
298 | DEBUG(parser->pakfire, "%p: Updated declaration: %s.%s = %s\n", |
299 | parser, d->namespace, d->name, d->value); | |
5e5f2d2b MT |
300 | |
301 | // All done | |
302 | return 0; | |
303 | } | |
304 | ||
fb077c4c | 305 | // Allocate a new declaration |
90312f5c | 306 | d = calloc(1, sizeof(*d)); |
fb077c4c MT |
307 | if (!d) |
308 | return -1; | |
309 | ||
20440ba7 MT |
310 | // Store namespace |
311 | pakfire_string_set(d->namespace, namespace); | |
aa75cc88 | 312 | |
fb077c4c | 313 | // Import name & value |
20440ba7 | 314 | pakfire_string_set(d->name, name); |
5d901566 MT |
315 | if (value) |
316 | d->value = strdup(value); | |
fb077c4c | 317 | |
fea2e884 MT |
318 | // Import flags |
319 | d->flags = flags; | |
320 | ||
aa75cc88 MT |
321 | DEBUG(parser->pakfire, "%p: New declaration: %s.%s = %s\n", |
322 | parser, d->namespace, d->name, d->value); | |
fb077c4c MT |
323 | |
324 | // Assign new declaration to array | |
8868318d MT |
325 | parser->declarations = reallocarray(parser->declarations, |
326 | sizeof(*parser->declarations), parser->num_declarations + 1); | |
327 | parser->declarations[parser->num_declarations++] = d; | |
fb077c4c MT |
328 | |
329 | return 0; | |
330 | } | |
331 | ||
657a5c72 | 332 | int pakfire_parser_apply_declaration(struct pakfire_parser* parser, |
79fd37b5 | 333 | struct pakfire_parser_declaration* declaration) { |
ec0f0419 | 334 | if (declaration->flags & PAKFIRE_PARSER_DECLARATION_APPEND) |
aa75cc88 | 335 | return pakfire_parser_append(parser, declaration->namespace, declaration->name, declaration->value); |
ec0f0419 | 336 | |
fea2e884 MT |
337 | return pakfire_parser_set(parser, declaration->namespace, |
338 | declaration->name, declaration->value, declaration->flags); | |
79fd37b5 MT |
339 | } |
340 | ||
45d1bfad MT |
341 | static int pakfire_parser_find_template(struct pakfire_parser* parser, |
342 | char* template, const size_t length, const char* namespace) { | |
17689fc7 MT |
343 | DEBUG(parser->pakfire, "Looking up template in namespace '%s'\n", namespace); |
344 | ||
345 | struct pakfire_parser_declaration* d = pakfire_parser_get_declaration( | |
346 | parser, namespace, "template"); | |
347 | ||
348 | const char* value = (d && *d->value) ? d->value : "MAIN"; | |
349 | ||
45d1bfad MT |
350 | // Format full variable name |
351 | return __pakfire_string_format(template, length, "packages.template:%s", value); | |
17689fc7 MT |
352 | } |
353 | ||
657a5c72 | 354 | static const char* pakfire_parser_get_raw(struct pakfire_parser* parser, const char* namespace, const char* name) { |
17689fc7 | 355 | struct pakfire_parser_declaration* d = NULL; |
45d1bfad MT |
356 | char template[NAME_MAX]; |
357 | int r; | |
17689fc7 MT |
358 | |
359 | // First, perform a simple lookup | |
3f6e35a7 | 360 | d = pakfire_parser_get_declaration_recursive(parser, namespace, name); |
fb077c4c | 361 | |
67738482 | 362 | // Return a match when it actually contains a string |
f4d93071 | 363 | if (d && d->value) |
17689fc7 | 364 | return d->value; |
67738482 | 365 | |
17689fc7 MT |
366 | // If we couldn't find anything, we check if there is a template, and if that |
367 | // has our value... | |
3f6e35a7 | 368 | if (namespace && pakfire_string_startswith(namespace, "packages.package:")) { |
45d1bfad MT |
369 | r = pakfire_parser_find_template(parser, template, sizeof(template), namespace); |
370 | if (r) | |
371 | return NULL; | |
17689fc7 | 372 | |
45d1bfad MT |
373 | d = pakfire_parser_find_declaration(parser, template, name); |
374 | if (d && d->value) | |
375 | return d->value; | |
17689fc7 MT |
376 | } |
377 | ||
3f6e35a7 MT |
378 | // Otherwise we walk up the namespace to find a match |
379 | d = pakfire_parser_find_declaration(parser, namespace, name); | |
380 | if (d && d->value) | |
381 | return d->value; | |
f16c81ca MT |
382 | |
383 | return NULL; | |
384 | } | |
385 | ||
638abead | 386 | int pakfire_parser_append(struct pakfire_parser* parser, |
aa75cc88 | 387 | const char* namespace, const char* name, const char* value) { |
fb077c4c MT |
388 | char* buffer = NULL; |
389 | ||
f16c81ca | 390 | // Fetch the value of the current declaration |
aa75cc88 | 391 | const char* old_value = pakfire_parser_get_raw(parser, namespace, name); |
f16c81ca | 392 | |
3f6e35a7 MT |
393 | DEBUG(parser->pakfire, "%p: Old value for %s.%s = %s\n", |
394 | parser, namespace, name, old_value); | |
395 | ||
f16c81ca MT |
396 | // Set the new value when there is no old one |
397 | if (!old_value) | |
fea2e884 | 398 | return pakfire_parser_set(parser, namespace, name, value, 0); |
f16c81ca | 399 | |
fb077c4c | 400 | // Concat value |
f16c81ca | 401 | int r = asprintf(&buffer, "%s %s", old_value, value); |
fb077c4c MT |
402 | if (r < 0) |
403 | return r; | |
404 | ||
f16c81ca | 405 | // Set the new value |
fea2e884 | 406 | r = pakfire_parser_set(parser, namespace, name, buffer, 0); |
f0d6233d | 407 | free(buffer); |
fb077c4c | 408 | |
f16c81ca | 409 | return r; |
fb077c4c MT |
410 | } |
411 | ||
657a5c72 | 412 | static int pakfire_parser_expand_commands(struct pakfire_parser* parser, char** buffer) { |
d25dd74f MT |
413 | int r = 0; |
414 | PCRE2_UCHAR* command = NULL; | |
415 | PCRE2_SIZE command_length; | |
416 | PCRE2_UCHAR* pattern = NULL; | |
417 | PCRE2_SIZE pattern_length; | |
418 | ||
419 | DEBUG(parser->pakfire, "Searching for commands in:\n%s\n", *buffer); | |
420 | ||
421 | // Allocate memory for results | |
422 | pcre2_match_data* match = pcre2_match_data_create_from_pattern( | |
423 | parser->regex_command, NULL); | |
424 | ||
425 | // Arguments passed to pakfire_execute | |
426 | const char* argv[4] = { | |
427 | "/bin/sh", "-c", NULL /* will be replaced by command later */, NULL, | |
428 | }; | |
429 | ||
430 | while (1) { | |
431 | // Perform matching | |
23b93958 | 432 | r = pcre2_jit_match(parser->regex_command, |
d25dd74f MT |
433 | (PCRE2_UCHAR*)*buffer, strlen(*buffer), 0, 0, match, NULL); |
434 | ||
435 | // End loop when we have expanded all variables | |
e614c5a6 MT |
436 | if (r == PCRE2_ERROR_NOMATCH) { |
437 | DEBUG(parser->pakfire, "No (more) matches found\n"); | |
cbfd19fa | 438 | r = 0; |
d25dd74f | 439 | break; |
e614c5a6 | 440 | } |
d25dd74f MT |
441 | |
442 | // Extract the command | |
e614c5a6 | 443 | r = pcre2_substring_get_bynumber(match, 2, &command, &command_length); |
d25dd74f MT |
444 | if (r) |
445 | goto ERROR; | |
446 | ||
447 | DEBUG(parser->pakfire, "Expanding command: %s\n", command); | |
448 | ||
449 | // Update argv | |
450 | argv[2] = (const char*)command; | |
451 | ||
452 | // The output of the command | |
83d93f33 | 453 | char* output = NULL; |
d25dd74f MT |
454 | |
455 | // Execute the command inside the Pakfire environment | |
83d93f33 | 456 | r = pakfire_jail_run(parser->pakfire, argv, 0, &output); |
d25dd74f MT |
457 | if (r) { |
458 | // Just log this and continue | |
459 | DEBUG(parser->pakfire, "Command '%s' failed with return code %d\n", command, r); | |
460 | } | |
461 | ||
0a1b68b3 MT |
462 | // Strip newline from output |
463 | if (output) | |
464 | pakfire_remove_trailing_newline(output); | |
465 | ||
d25dd74f MT |
466 | // Find the entire matched pattern |
467 | r = pcre2_substring_get_bynumber(match, 0, &pattern, &pattern_length); | |
0a1b68b3 MT |
468 | if (r) { |
469 | if (output) | |
470 | free(output); | |
471 | ||
d25dd74f | 472 | goto ERROR; |
0a1b68b3 | 473 | } |
d25dd74f MT |
474 | |
475 | // Replace all occurrences | |
476 | char* tmp = pakfire_string_replace(*buffer, (const char*)pattern, output); | |
0a1b68b3 MT |
477 | if (!tmp) { |
478 | if (output) | |
479 | free(output); | |
480 | ||
d25dd74f | 481 | goto ERROR; |
0a1b68b3 | 482 | } |
d25dd74f MT |
483 | |
484 | // Replace buffer | |
485 | free(*buffer); | |
486 | *buffer = tmp; | |
487 | ||
488 | // Free resources | |
489 | pcre2_substring_free(command); | |
490 | command = NULL; | |
491 | ||
492 | pcre2_substring_free(pattern); | |
493 | pattern = NULL; | |
0a1b68b3 MT |
494 | |
495 | if (output) | |
496 | free(output); | |
d25dd74f MT |
497 | } |
498 | ||
499 | ERROR: | |
500 | pcre2_match_data_free(match); | |
501 | ||
502 | if (command) | |
503 | pcre2_substring_free(command); | |
504 | if (pattern) | |
505 | pcre2_substring_free(pattern); | |
506 | ||
507 | return r; | |
508 | } | |
509 | ||
657a5c72 | 510 | static int pakfire_parser_expand_variables(struct pakfire_parser* parser, |
6accaf43 | 511 | const char* namespace, char** buffer) { |
d25dd74f | 512 | int r = 0; |
c178c275 MT |
513 | PCRE2_UCHAR* variable = NULL; |
514 | PCRE2_SIZE variable_length; | |
515 | PCRE2_UCHAR* pattern = NULL; | |
516 | PCRE2_SIZE pattern_length; | |
517 | ||
c178c275 | 518 | // Allocate memory for results |
d25dd74f MT |
519 | pcre2_match_data* match = pcre2_match_data_create_from_pattern( |
520 | parser->regex_variable, NULL); | |
fb077c4c MT |
521 | |
522 | // Search for any variables | |
523 | while (1) { | |
524 | // Perform matching | |
23b93958 | 525 | r = pcre2_jit_match(parser->regex_variable, |
a41868f9 | 526 | (PCRE2_UCHAR*)*buffer, strlen(*buffer), 0, 0, match, NULL); |
fb077c4c MT |
527 | |
528 | // End loop when we have expanded all variables | |
c178c275 | 529 | if (r == PCRE2_ERROR_NOMATCH) { |
6accaf43 | 530 | DEBUG(parser->pakfire, "No (more) matches found in: %s\n", *buffer); |
cbfd19fa | 531 | r = 0; |
fb077c4c MT |
532 | break; |
533 | } | |
534 | ||
f4d93071 MT |
535 | // Find the entire matched pattern |
536 | r = pcre2_substring_get_bynumber(match, 0, &pattern, &pattern_length); | |
537 | if (r) | |
538 | goto ERROR; | |
539 | ||
38fa3305 | 540 | // Find the variable name |
c178c275 MT |
541 | r = pcre2_substring_get_bynumber(match, 1, &variable, &variable_length); |
542 | if (r) | |
38fa3305 | 543 | goto ERROR; |
fb077c4c MT |
544 | |
545 | DEBUG(parser->pakfire, "Expanding variable: %s\n", variable); | |
546 | ||
547 | // Search for a declaration of this variable | |
17689fc7 | 548 | const char* repl = pakfire_parser_get_raw(parser, namespace, (const char*)variable); |
fb077c4c | 549 | |
f4d93071 MT |
550 | // Is this a recursive pattern? |
551 | if (repl && pakfire_string_matches(repl, (const char*)pattern)) { | |
552 | DEBUG(parser->pakfire, "Recursion detected in %s\n", pattern); | |
553 | ||
554 | // Move up one step and lookup there | |
555 | if (namespace && *namespace) { | |
556 | char* parent_namespace = strdupa(namespace); | |
557 | pakfire_parser_strip_namespace(&parent_namespace); | |
558 | ||
559 | repl = pakfire_parser_get_raw(parser, parent_namespace, (const char*)variable); | |
560 | ||
561 | // If we have already reached the top namespace, we replace with an empty string | |
562 | } else { | |
563 | repl = NULL; | |
564 | } | |
565 | } | |
566 | ||
38fa3305 | 567 | // What is its value? |
17689fc7 MT |
568 | if (repl) { |
569 | DEBUG(parser->pakfire, "Replacing %%{%s} with '%s'\n", variable, repl); | |
d310f14c | 570 | } else { |
38fa3305 | 571 | DEBUG(parser->pakfire, "Replacing %%{%s} with an empty string\n", variable); |
38fa3305 | 572 | } |
fb077c4c | 573 | |
38fa3305 | 574 | // Replace all occurrences |
17689fc7 | 575 | char* tmp = pakfire_string_replace(*buffer, (const char*)pattern, (repl) ? repl : ""); |
38fa3305 MT |
576 | if (!tmp) |
577 | goto ERROR; | |
fb077c4c | 578 | |
38fa3305 | 579 | // Replace buffer |
6accaf43 MT |
580 | free(*buffer); |
581 | *buffer = tmp; | |
fb077c4c | 582 | |
38fa3305 | 583 | // Free resources |
c178c275 | 584 | pcre2_substring_free(variable); |
6accaf43 | 585 | variable = NULL; |
fb077c4c | 586 | |
6accaf43 MT |
587 | pcre2_substring_free(pattern); |
588 | pattern = NULL; | |
38fa3305 | 589 | } |
fb077c4c | 590 | |
38fa3305 | 591 | ERROR: |
c178c275 | 592 | pcre2_match_data_free(match); |
fb077c4c | 593 | |
38fa3305 | 594 | if (variable) |
c178c275 | 595 | pcre2_substring_free(variable); |
38fa3305 | 596 | if (pattern) |
c178c275 | 597 | pcre2_substring_free(pattern); |
38fa3305 | 598 | |
6accaf43 MT |
599 | return r; |
600 | } | |
601 | ||
638abead | 602 | char* pakfire_parser_expand(struct pakfire_parser* parser, |
6accaf43 MT |
603 | const char* namespace, const char* value) { |
604 | // Return NULL when the value is NULL | |
605 | if (!value) | |
606 | return NULL; | |
607 | ||
608 | // Create a working copy of the string we are expanding | |
609 | char* buffer = strdup(value); | |
610 | ||
611 | // Fast path to check if there are any variables in here whatsoever | |
612 | char* pos = strchr(value, '%'); | |
613 | if (!pos) | |
614 | return buffer; | |
615 | ||
d25dd74f | 616 | // Compile all regular expressions |
bf7acff3 | 617 | int r = pakfire_parser_compile_regexes(parser); |
6107586a MT |
618 | if (r) { |
619 | DEBUG(parser->pakfire, "Could not compile regular expressions: %m\n"); | |
aed0b342 | 620 | goto ERROR; |
6107586a | 621 | } |
d25dd74f | 622 | |
6accaf43 | 623 | // Expand all variables |
d25dd74f | 624 | r = pakfire_parser_expand_variables(parser, namespace, &buffer); |
6107586a MT |
625 | if (r) { |
626 | DEBUG(parser->pakfire, "Failed to expand variables in '%s': %m\n", value); | |
aed0b342 | 627 | goto ERROR; |
6107586a | 628 | } |
6accaf43 | 629 | |
d25dd74f MT |
630 | // Expand all commands |
631 | if (parser->flags & PAKFIRE_PARSER_FLAGS_EXPAND_COMMANDS) { | |
632 | r = pakfire_parser_expand_commands(parser, &buffer); | |
6107586a MT |
633 | if (r) { |
634 | DEBUG(parser->pakfire, "Failed to expand commands in '%s': %m\n", value); | |
aed0b342 | 635 | goto ERROR; |
6107586a | 636 | } |
d25dd74f MT |
637 | } |
638 | ||
fb077c4c | 639 | return buffer; |
aed0b342 MT |
640 | |
641 | ERROR: | |
642 | if (buffer) | |
643 | free(buffer); | |
644 | ||
645 | return NULL; | |
fb077c4c MT |
646 | } |
647 | ||
638abead | 648 | char* pakfire_parser_get(struct pakfire_parser* parser, const char* namespace, const char* name) { |
aa75cc88 | 649 | const char* value = pakfire_parser_get_raw(parser, namespace, name); |
1a7200b5 | 650 | |
fb077c4c | 651 | // Return NULL when nothing was found |
1a7200b5 | 652 | if (!value) |
fb077c4c MT |
653 | return NULL; |
654 | ||
655 | // Otherwise return the expanded value | |
aa75cc88 | 656 | return pakfire_parser_expand(parser, namespace, value); |
fb077c4c MT |
657 | } |
658 | ||
638abead | 659 | char** pakfire_parser_get_split(struct pakfire_parser* parser, |
e10e1ad1 MT |
660 | const char* namespace, const char* name, char delim) { |
661 | char* value = pakfire_parser_get(parser, namespace, name); | |
662 | if (!value) | |
663 | return NULL; | |
664 | ||
665 | // Split the string | |
d973a13d | 666 | char** list = pakfire_string_split(value, delim); |
e10e1ad1 MT |
667 | free(value); |
668 | ||
669 | return list; | |
670 | } | |
671 | ||
638abead | 672 | char** pakfire_parser_list_namespaces(struct pakfire_parser* parser, |
fa3cff8d MT |
673 | const char* filter) { |
674 | char** namespaces = NULL; | |
675 | unsigned int counter = 0; | |
676 | ||
677 | for (unsigned int i = 0; i < parser->num_declarations; i++) { | |
678 | struct pakfire_parser_declaration* d = parser->declarations[i]; | |
c8474e4f | 679 | |
fa3cff8d MT |
680 | if (filter) { |
681 | int r = fnmatch(filter, d->namespace, 0); | |
682 | ||
683 | // Skip declaration if it does not match | |
684 | if (r == FNM_NOMATCH) | |
685 | continue; | |
686 | ||
687 | // Check for any errors | |
688 | else if (r > 0) { | |
b1772bfb | 689 | ERROR(parser->pakfire, "fnmatch failed: %m\n"); |
fa3cff8d MT |
690 | if (namespaces) |
691 | free(namespaces); | |
692 | ||
693 | return NULL; | |
694 | } | |
695 | } | |
696 | ||
697 | // Does this already exist on the list? | |
698 | if (namespaces) { | |
699 | int found = 0; | |
700 | ||
17689fc7 | 701 | for (char** namespace = namespaces; *namespace; namespace++) { |
fa3cff8d MT |
702 | if (strcmp(d->namespace, *namespace) == 0) { |
703 | found = 1; | |
704 | break; | |
705 | } | |
706 | } | |
707 | ||
708 | // Skip adding if it already exists | |
709 | if (found) | |
710 | continue; | |
711 | } | |
712 | ||
713 | namespaces = reallocarray(namespaces, counter + 2, sizeof(*namespaces)); | |
714 | if (!namespaces) | |
715 | return NULL; | |
716 | ||
c8474e4f | 717 | // Add namespace and terminate the array |
fa3cff8d | 718 | namespaces[counter++] = d->namespace; |
fa3cff8d | 719 | namespaces[counter] = NULL; |
c8474e4f | 720 | } |
fa3cff8d MT |
721 | |
722 | return namespaces; | |
723 | } | |
724 | ||
638abead | 725 | int pakfire_parser_merge(struct pakfire_parser* parser1, struct pakfire_parser* parser2) { |
d310f14c | 726 | DEBUG(parser1->pakfire, "Merging parsers %p and %p\n", parser1, parser2); |
20440ba7 | 727 | char namespace[NAME_MAX*2+1]; |
d310f14c | 728 | |
c7577606 MT |
729 | if (!parser2) { |
730 | errno = EINVAL; | |
731 | return 1; | |
732 | } | |
733 | ||
1a7200b5 MT |
734 | // Do not try to merge a parser with itself |
735 | if (parser1 == parser2) | |
122e45f5 | 736 | return EINVAL; |
1a7200b5 | 737 | |
fcbbe16e MT |
738 | for (unsigned int i = 0; i < parser2->num_declarations; i++) { |
739 | struct pakfire_parser_declaration* d = parser2->declarations[i]; | |
740 | if (!d) | |
741 | break; | |
d310f14c | 742 | |
20440ba7 MT |
743 | if (parser2->namespace && *d->namespace) |
744 | pakfire_string_format(namespace, "%s.%s", parser2->namespace, d->namespace); | |
aa75cc88 | 745 | else if (parser2->namespace) |
20440ba7 MT |
746 | pakfire_string_set(namespace, parser2->namespace); |
747 | else if (*d->namespace) | |
748 | pakfire_string_set(namespace, d->namespace); | |
aa75cc88 | 749 | else |
20440ba7 | 750 | pakfire_string_set(namespace, ""); |
713da225 | 751 | |
fea2e884 | 752 | int r = pakfire_parser_set(parser1, namespace, d->name, d->value, d->flags); |
122e45f5 MT |
753 | if (r) |
754 | return r; | |
d310f14c MT |
755 | } |
756 | ||
122e45f5 | 757 | return 0; |
d310f14c MT |
758 | } |
759 | ||
638abead | 760 | int pakfire_parser_read(struct pakfire_parser* parser, FILE* f, |
4b7699d9 | 761 | struct pakfire_parser_error** error) { |
fb077c4c MT |
762 | char* data; |
763 | size_t len; | |
764 | ||
765 | int r = pakfire_read_file_into_buffer(f, &data, &len); | |
766 | if (r) | |
767 | return r; | |
768 | ||
4b7699d9 | 769 | r = pakfire_parser_parse_data(parser, data, len, error); |
89045ec6 MT |
770 | |
771 | if (data) | |
f0d6233d | 772 | free(data); |
89045ec6 | 773 | |
fb077c4c | 774 | return r; |
89045ec6 | 775 | } |
dac3330d | 776 | |
638abead | 777 | int pakfire_parser_read_file(struct pakfire_parser* parser, const char* path, |
4b7699d9 | 778 | struct pakfire_parser_error** error) { |
774aeac4 MT |
779 | FILE* f = fopen(path, "r"); |
780 | if (!f) | |
781 | return 1; | |
782 | ||
4b7699d9 | 783 | int r = pakfire_parser_read(parser, f, error); |
774aeac4 MT |
784 | fclose(f); |
785 | ||
786 | return r; | |
787 | } | |
788 | ||
638abead | 789 | int pakfire_parser_parse(struct pakfire_parser* parser, |
4b7699d9 MT |
790 | const char* data, size_t size, struct pakfire_parser_error** error) { |
791 | return pakfire_parser_parse_data(parser, data, size, error); | |
40f17018 MT |
792 | } |
793 | ||
638abead | 794 | char* pakfire_parser_dump(struct pakfire_parser* parser) { |
20440ba7 | 795 | char buffer[NAME_MAX*2 + 1]; |
dac3330d MT |
796 | char* s = NULL; |
797 | ||
798 | for (unsigned int i = 0; i < parser->num_declarations; i++) { | |
799 | struct pakfire_parser_declaration* d = parser->declarations[i]; | |
800 | ||
801 | if (d) { | |
20440ba7 MT |
802 | if (*d->namespace) |
803 | pakfire_string_format(buffer, "%s.%s", d->namespace, d->name); | |
dac3330d | 804 | else |
20440ba7 | 805 | pakfire_string_set(buffer, d->name); |
aa75cc88 MT |
806 | |
807 | asprintf(&s, "%s%-24s = %s\n", (s) ? s : "", buffer, d->value); | |
dac3330d MT |
808 | } |
809 | } | |
810 | ||
811 | return s; | |
812 | } | |
40f17018 | 813 | |
638abead | 814 | const char* pakfire_parser_get_namespace(struct pakfire_parser* parser) { |
40f17018 MT |
815 | return parser->namespace; |
816 | } | |
713da225 | 817 | |
638abead | 818 | int pakfire_parser_set_namespace(struct pakfire_parser* parser, const char* namespace) { |
713da225 MT |
819 | if (parser->namespace) |
820 | free(parser->namespace); | |
821 | ||
822 | if (namespace) | |
823 | parser->namespace = strdup(namespace); | |
824 | else | |
825 | parser->namespace = NULL; | |
826 | ||
827 | DEBUG(parser->pakfire, "%p: Set namespace to: %s\n", parser, parser->namespace); | |
828 | ||
829 | return 0; | |
830 | } | |
4b7699d9 | 831 | |
657a5c72 | 832 | char** pakfire_parser_make_environ(struct pakfire_parser* parser) { |
2ffd21f9 MT |
833 | char** envp = NULL; |
834 | unsigned int num = 0; | |
835 | ||
836 | for (unsigned int i = 0; i < parser->num_declarations; i++) { | |
837 | struct pakfire_parser_declaration* d = parser->declarations[i]; | |
838 | if (!d) | |
839 | continue; | |
840 | ||
841 | // Is the export flag set? | |
842 | if (d->flags & PAKFIRE_PARSER_DECLARATION_EXPORT) { | |
843 | char* buffer = NULL; | |
844 | ||
845 | char* value = pakfire_parser_expand(parser, d->namespace, d->value); | |
846 | if (!value) | |
847 | goto ERROR; | |
848 | ||
849 | // Build line | |
850 | int r = asprintf(&buffer, "%s=%s", d->name, value); | |
851 | free(value); | |
852 | if (r < 0) | |
853 | goto ERROR; | |
854 | ||
855 | // Extend the array | |
856 | envp = reallocarray(envp, num + 2, sizeof(*envp)); | |
857 | if (!envp) | |
858 | goto ERROR; | |
859 | ||
860 | envp[num++] = buffer; | |
861 | envp[num] = NULL; | |
862 | } | |
863 | } | |
864 | ||
865 | return envp; | |
866 | ||
867 | ERROR: | |
868 | if (envp) { | |
869 | for (char** e = envp; *e; e++) | |
870 | free(*e); | |
871 | free(envp); | |
872 | } | |
873 | ||
874 | return NULL; | |
875 | } | |
876 | ||
638abead | 877 | int pakfire_parser_create_package(struct pakfire_parser* parser, |
4651122b | 878 | struct pakfire_package** pkg, struct pakfire_repo* repo, const char* namespace, const char* default_arch) { |
f59d680a MT |
879 | int r = 1; |
880 | ||
881 | char* name = NULL; | |
f59d680a | 882 | char* evr = NULL; |
57044dfe | 883 | char* arch = NULL; |
f59d680a | 884 | |
17689fc7 MT |
885 | DEBUG(parser->pakfire, "Building package from namespace '%s'\n", namespace); |
886 | ||
f59d680a MT |
887 | // Fetch name |
888 | name = pakfire_parser_get(parser, namespace, "name"); | |
f3b3ed8e | 889 | if (!name || !*name) { |
f59d680a MT |
890 | ERROR(parser->pakfire, "Name is empty\n"); |
891 | goto CLEANUP; | |
892 | } | |
893 | ||
57044dfe MT |
894 | // Fetch EVR |
895 | evr = pakfire_parser_get(parser, namespace, "evr"); | |
896 | if (!evr || !*evr) { | |
897 | ERROR(parser->pakfire, "EVR is empty\n"); | |
f59d680a MT |
898 | goto CLEANUP; |
899 | } | |
900 | ||
901 | // Fetch arch | |
902 | arch = pakfire_parser_get(parser, namespace, "arch"); | |
f3b3ed8e | 903 | if (!arch || !*arch) { |
08bcb46a MT |
904 | if (default_arch) { |
905 | arch = strdup(default_arch); | |
906 | if (!arch) | |
907 | goto CLEANUP; | |
908 | } else { | |
909 | ERROR(parser->pakfire, "Arch is empty\n"); | |
910 | goto CLEANUP; | |
911 | } | |
f59d680a MT |
912 | } |
913 | ||
f59d680a | 914 | // Create a new package object |
33ad2a01 MT |
915 | r = pakfire_package_create(pkg, parser->pakfire, repo, name, evr, arch); |
916 | if (r) { | |
f59d680a MT |
917 | ERROR(parser->pakfire, "Could not create package\n"); |
918 | goto CLEANUP; | |
919 | } | |
920 | ||
5848e7cb MT |
921 | // Is this a source package? |
922 | int is_source = pakfire_package_is_source(*pkg); | |
923 | ||
df552c32 MT |
924 | // Assign a new UUID to this package |
925 | char* uuid = pakfire_generate_uuid(); | |
926 | if (!uuid) { | |
b1772bfb | 927 | ERROR(parser->pakfire, "Generating a UUID failed: %m\n"); |
df552c32 MT |
928 | goto CLEANUP; |
929 | } | |
930 | ||
74468e4f | 931 | pakfire_package_set_string(*pkg, PAKFIRE_PKG_UUID, uuid); |
df552c32 MT |
932 | free(uuid); |
933 | ||
d73ca64f MT |
934 | // Set build time |
935 | time_t now = time(NULL); | |
936 | ||
3f327c3c | 937 | pakfire_package_set_num(*pkg, PAKFIRE_PKG_BUILD_TIME, now); |
d73ca64f | 938 | |
f00837c0 MT |
939 | // Assign more attributes |
940 | const struct attribute { | |
941 | const char* name; | |
74468e4f | 942 | const enum pakfire_package_key key; |
f00837c0 | 943 | } attributes[] = { |
74468e4f MT |
944 | { "summary", PAKFIRE_PKG_SUMMARY }, |
945 | { "description", PAKFIRE_PKG_DESCRIPTION, }, | |
946 | { "license", PAKFIRE_PKG_LICENSE, }, | |
947 | { "url", PAKFIRE_PKG_URL, }, | |
948 | { "groups", PAKFIRE_PKG_GROUPS, }, | |
949 | { "vendor", PAKFIRE_PKG_VENDOR, }, | |
950 | { "maintainer", PAKFIRE_PKG_MAINTAINER, }, | |
f00837c0 MT |
951 | { NULL }, |
952 | }; | |
953 | ||
954 | for (const struct attribute* a = attributes; a->name; a++) { | |
955 | char* value = pakfire_parser_get(parser, namespace, a->name); | |
956 | if (!value) | |
957 | continue; | |
958 | ||
74468e4f | 959 | r = pakfire_package_set_string(*pkg, a->key, value); |
f00837c0 | 960 | free(value); |
74468e4f MT |
961 | |
962 | if (r) { | |
963 | ERROR(parser->pakfire, "Could not set %s: %m\n", a->name); | |
964 | goto CLEANUP; | |
965 | } | |
f00837c0 MT |
966 | } |
967 | ||
b81a64ec | 968 | // Fetch build dependencies |
5848e7cb | 969 | if (is_source) { |
5848e7cb | 970 | char* requires = pakfire_parser_get(parser, "build", "requires"); |
8e3a7b94 | 971 | if (requires) { |
4abdf39d | 972 | pakfire_str2deps(parser->pakfire, *pkg, |
b81a64ec | 973 | pakfire_package_add_requires, requires); |
8e3a7b94 MT |
974 | free(requires); |
975 | } | |
976 | } else { | |
977 | const struct relation { | |
978 | const char* type; | |
31480bee | 979 | void (*func)(struct pakfire_package*, const char* dep); |
8e3a7b94 MT |
980 | } relations[] = { |
981 | { "provides", pakfire_package_add_provides }, | |
982 | { "prerequires", pakfire_package_add_prerequires }, | |
983 | { "requires", pakfire_package_add_requires }, | |
984 | { "conflicts", pakfire_package_add_conflicts }, | |
985 | { "obsoletes", pakfire_package_add_obsoletes }, | |
986 | { "recommends", pakfire_package_add_recommends }, | |
987 | { "suggests", pakfire_package_add_suggests }, | |
988 | { "supplements", pakfire_package_add_supplements }, | |
989 | { "enhances", pakfire_package_add_enhances }, | |
990 | { NULL, NULL }, | |
991 | }; | |
992 | ||
993 | for (const struct relation* relation = relations; relation->type; relation++) { | |
23b93958 MT |
994 | char* rels = pakfire_parser_get(parser, namespace, relation->type); |
995 | if (rels) { | |
996 | pakfire_str2deps(parser->pakfire, *pkg, relation->func, rels); | |
997 | free(rels); | |
8e3a7b94 MT |
998 | } |
999 | } | |
5848e7cb MT |
1000 | } |
1001 | ||
f59d680a MT |
1002 | // All okay |
1003 | r = 0; | |
1004 | ||
1005 | CLEANUP: | |
1006 | if (name) | |
1007 | free(name); | |
57044dfe MT |
1008 | if (evr) |
1009 | free(evr); | |
f59d680a MT |
1010 | if (arch) |
1011 | free(arch); | |
1012 | ||
1013 | return r; | |
1014 | } | |
1015 | ||
4b7699d9 MT |
1016 | // Error |
1017 | ||
1018 | struct pakfire_parser_error { | |
657a5c72 | 1019 | struct pakfire_parser* parser; |
4b7699d9 MT |
1020 | int nrefs; |
1021 | ||
1022 | char* filename; | |
1023 | int line; | |
1024 | char* message; | |
1025 | }; | |
1026 | ||
638abead | 1027 | int pakfire_parser_error_create(struct pakfire_parser_error** error, |
657a5c72 | 1028 | struct pakfire_parser* parser, const char* filename, int line, const char* message) { |
4b7699d9 MT |
1029 | struct pakfire_parser_error* e = calloc(1, sizeof(*e)); |
1030 | if (!e) | |
1031 | return ENOMEM; | |
1032 | ||
1033 | // Initialize reference counter | |
1034 | e->nrefs = 1; | |
1035 | ||
1036 | e->parser = pakfire_parser_ref(parser); | |
1037 | ||
1038 | // Copy all input values | |
1039 | if (filename) | |
1040 | e->filename = strdup(filename); | |
1041 | ||
1042 | e->line = line; | |
1043 | ||
1044 | if (message) | |
1045 | e->message = strdup(message); | |
1046 | ||
1047 | *error = e; | |
1048 | ||
1049 | return 0; | |
1050 | } | |
1051 | ||
638abead | 1052 | struct pakfire_parser_error* pakfire_parser_error_ref( |
4b7699d9 MT |
1053 | struct pakfire_parser_error* error) { |
1054 | ++error->nrefs; | |
1055 | ||
1056 | return error; | |
1057 | } | |
1058 | ||
1059 | static void pakfire_parser_error_free(struct pakfire_parser_error* error) { | |
1060 | pakfire_parser_unref(error->parser); | |
1061 | ||
1062 | if (error->filename) | |
1063 | free(error->filename); | |
1064 | ||
1065 | if (error->message) | |
1066 | free(error->message); | |
1067 | ||
1068 | free(error); | |
1069 | } | |
1070 | ||
638abead | 1071 | struct pakfire_parser_error* pakfire_parser_error_unref( |
4b7699d9 MT |
1072 | struct pakfire_parser_error* error) { |
1073 | if (--error->nrefs > 0) | |
1074 | return error; | |
1075 | ||
1076 | pakfire_parser_error_free(error); | |
1077 | ||
1078 | return NULL; | |
1079 | } | |
1080 | ||
638abead | 1081 | const char* pakfire_parser_error_get_filename( |
4b7699d9 MT |
1082 | struct pakfire_parser_error* error) { |
1083 | return error->filename; | |
1084 | } | |
1085 | ||
638abead | 1086 | int pakfire_parser_error_get_line(struct pakfire_parser_error* error) { |
4b7699d9 MT |
1087 | return error->line; |
1088 | } | |
1089 | ||
638abead | 1090 | const char* pakfire_parser_error_get_message( |
4b7699d9 MT |
1091 | struct pakfire_parser_error* error) { |
1092 | return error->message; | |
1093 | } |