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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 | ||
d25dd74f | 33 | #include <pakfire/execute.h> |
fb077c4c | 34 | #include <pakfire/logging.h> |
f59d680a | 35 | #include <pakfire/package.h> |
89045ec6 | 36 | #include <pakfire/parser.h> |
fb077c4c | 37 | #include <pakfire/pakfire.h> |
89045ec6 MT |
38 | #include <pakfire/util.h> |
39 | ||
657a5c72 | 40 | struct pakfire_parser { |
ac4c607b | 41 | struct pakfire* pakfire; |
fb077c4c MT |
42 | int nrefs; |
43 | ||
657a5c72 | 44 | struct pakfire_parser* parent; |
2dd267d4 | 45 | int flags; |
1141075e MT |
46 | char* namespace; |
47 | ||
8868318d | 48 | struct pakfire_parser_declaration** declarations; |
6d206cc9 | 49 | size_t num_declarations; |
c178c275 MT |
50 | |
51 | // Regular expressions | |
d25dd74f | 52 | pcre2_code* regex_command; |
c178c275 | 53 | pcre2_code* regex_variable; |
fb077c4c MT |
54 | }; |
55 | ||
657a5c72 | 56 | static int pakfire_parser_compile_regex(struct pakfire_parser* parser, pcre2_code** regex, |
bf7acff3 | 57 | const char* pattern) { |
c178c275 MT |
58 | int pcre2_errno; |
59 | size_t pcre2_offset; | |
60 | PCRE2_UCHAR errmsg[256]; | |
61 | ||
bf7acff3 MT |
62 | // Compile the regular expression |
63 | *regex = pcre2_compile((PCRE2_SPTR)pattern, PCRE2_ZERO_TERMINATED, 0, | |
64 | &pcre2_errno, &pcre2_offset, NULL); | |
d25dd74f | 65 | |
bf7acff3 MT |
66 | if (!*regex) { |
67 | pcre2_get_error_message(pcre2_errno, errmsg, sizeof(errmsg)); | |
68 | ERROR(parser->pakfire, "PCRE2 compilation failed for '%s' at offset %zu: %s\n", | |
69 | pattern, pcre2_offset, errmsg); | |
70 | return 1; | |
71 | } | |
d25dd74f | 72 | |
bf7acff3 MT |
73 | // Enable JIT |
74 | pcre2_errno = pcre2_jit_compile(*regex, PCRE2_JIT_COMPLETE); | |
75 | if (pcre2_errno) { | |
76 | pcre2_get_error_message(pcre2_errno, errmsg, sizeof(errmsg)); | |
77 | ERROR(parser->pakfire, "Enabling JIT on '%s' failed: %s\n", pattern, errmsg); | |
78 | return 1; | |
d25dd74f MT |
79 | } |
80 | ||
bf7acff3 MT |
81 | return 0; |
82 | } | |
c178c275 | 83 | |
657a5c72 | 84 | static int pakfire_parser_compile_regexes(struct pakfire_parser* parser) { |
bf7acff3 | 85 | int r; |
c178c275 | 86 | |
bf7acff3 | 87 | // Commands |
e614c5a6 | 88 | if (!parser->regex_command && (parser->flags & PAKFIRE_PARSER_FLAGS_EXPAND_COMMANDS)) { |
bf7acff3 | 89 | r = pakfire_parser_compile_regex(parser, |
e614c5a6 | 90 | &parser->regex_command, "%(\\(((?>[^()]|(?1))*)\\))"); |
bf7acff3 MT |
91 | if (r) |
92 | return r; | |
93 | } | |
a41868f9 | 94 | |
bf7acff3 MT |
95 | // Variables |
96 | if (!parser->regex_variable) { | |
97 | r = pakfire_parser_compile_regex(parser, | |
98 | &parser->regex_variable, "%\\{([A-Za-z0-9_\\-]+)\\}"); | |
99 | if (r) | |
100 | return r; | |
c178c275 MT |
101 | } |
102 | ||
103 | return 0; | |
104 | } | |
105 | ||
ac4c607b | 106 | struct pakfire_parser* pakfire_parser_create(struct pakfire* pakfire, |
657a5c72 MT |
107 | struct pakfire_parser* parent, const char* namespace, int flags) { |
108 | struct pakfire_parser* parser = calloc(1, sizeof(*parser)); | |
fb077c4c MT |
109 | if (parser) { |
110 | parser->pakfire = pakfire_ref(pakfire); | |
c0f1c1f2 | 111 | parser->nrefs = 1; |
fb077c4c | 112 | |
d310f14c MT |
113 | // Store a reference to the parent parser if we have one |
114 | if (parent) | |
115 | parser->parent = pakfire_parser_ref(parent); | |
116 | ||
2dd267d4 MT |
117 | // Store flags |
118 | parser->flags = flags; | |
119 | ||
1141075e | 120 | // Make namespace |
713da225 | 121 | pakfire_parser_set_namespace(parser, namespace); |
fb077c4c MT |
122 | } |
123 | ||
124 | return parser; | |
125 | } | |
126 | ||
638abead | 127 | struct pakfire_parser* pakfire_parser_create_child(struct pakfire_parser* parser, const char* namespace) { |
2dd267d4 | 128 | return pakfire_parser_create(parser->pakfire, parser, namespace, parser->flags); |
fb08a3af MT |
129 | } |
130 | ||
638abead | 131 | struct pakfire_parser* pakfire_parser_ref(struct pakfire_parser* parser) { |
d310f14c MT |
132 | ++parser->nrefs; |
133 | ||
134 | return parser; | |
135 | } | |
136 | ||
ac4c607b | 137 | struct pakfire* pakfire_parser_get_pakfire(struct pakfire_parser* parser) { |
fb077c4c MT |
138 | return pakfire_ref(parser->pakfire); |
139 | } | |
140 | ||
657a5c72 | 141 | static void pakfire_parser_free_declarations(struct pakfire_parser* parser) { |
8868318d MT |
142 | if (!parser->declarations) |
143 | return; | |
144 | ||
6d206cc9 MT |
145 | for (unsigned int i = 0; i < parser->num_declarations; i++) { |
146 | struct pakfire_parser_declaration* d = parser->declarations[i]; | |
f2aa4592 | 147 | |
f2aa4592 | 148 | // Free everything |
f2aa4592 | 149 | if (d->value) |
f0d6233d MT |
150 | free(d->value); |
151 | free(d); | |
fb077c4c | 152 | } |
8868318d MT |
153 | |
154 | free(parser->declarations); | |
fb077c4c MT |
155 | } |
156 | ||
657a5c72 | 157 | static void pakfire_parser_free(struct pakfire_parser* parser) { |
c178c275 MT |
158 | // Release regular expressions |
159 | if (parser->regex_variable) | |
160 | pcre2_code_free(parser->regex_variable); | |
161 | ||
6d206cc9 | 162 | pakfire_parser_free_declarations(parser); |
7fb3defa | 163 | |
6d206cc9 | 164 | if (parser->namespace) |
f0d6233d | 165 | free(parser->namespace); |
fb077c4c | 166 | |
7fb3defa MT |
167 | if (parser->parent) |
168 | pakfire_parser_unref(parser->parent); | |
169 | ||
fb077c4c | 170 | pakfire_unref(parser->pakfire); |
f0d6233d | 171 | free(parser); |
fb077c4c MT |
172 | } |
173 | ||
638abead | 174 | struct pakfire_parser* pakfire_parser_unref(struct pakfire_parser* parser) { |
fb077c4c MT |
175 | if (--parser->nrefs > 0) |
176 | return parser; | |
177 | ||
178 | pakfire_parser_free(parser); | |
179 | return NULL; | |
180 | } | |
181 | ||
638abead | 182 | struct pakfire_parser* pakfire_parser_get_parent(struct pakfire_parser* parser) { |
b1b15235 MT |
183 | if (parser->parent) |
184 | return pakfire_parser_ref(parser->parent); | |
185 | ||
186 | return NULL; | |
187 | } | |
188 | ||
fb077c4c | 189 | static struct pakfire_parser_declaration* pakfire_parser_get_declaration( |
657a5c72 | 190 | struct pakfire_parser* parser, const char* namespace, const char* name) { |
20440ba7 MT |
191 | if (!name) { |
192 | errno = EINVAL; | |
193 | return NULL; | |
194 | } | |
195 | ||
196 | if (!namespace) | |
197 | namespace = ""; | |
fb077c4c | 198 | |
3f6e35a7 MT |
199 | if (*namespace) |
200 | DEBUG(parser->pakfire, "%p: Looking up %s.%s\n", parser, namespace, name); | |
f4d93071 | 201 | else |
3f6e35a7 | 202 | DEBUG(parser->pakfire, "%p: Looking up %s\n", parser, name); |
f4d93071 | 203 | |
20440ba7 | 204 | struct pakfire_parser_declaration* d; |
fb077c4c MT |
205 | for (unsigned i = 0; i < parser->num_declarations; i++) { |
206 | d = parser->declarations[i]; | |
207 | if (!d) | |
208 | break; | |
209 | ||
20440ba7 | 210 | // Return if namespace and name match |
3f6e35a7 MT |
211 | if ((strcmp(d->namespace, namespace) == 0) && (strcmp(d->name, name) == 0)) { |
212 | DEBUG(parser->pakfire, "%p: Found result = %s\n", parser, d->value); | |
213 | ||
214 | return d; | |
215 | } | |
216 | } | |
217 | ||
218 | DEBUG(parser->pakfire, "%p: Nothing found\n", parser); | |
219 | ||
220 | return NULL; | |
221 | } | |
222 | ||
223 | static struct pakfire_parser_declaration* pakfire_parser_get_declaration_recursive( | |
657a5c72 | 224 | struct pakfire_parser* parser, const char* namespace, const char* name) { |
3f6e35a7 MT |
225 | struct pakfire_parser_declaration* d = pakfire_parser_get_declaration( |
226 | parser, namespace, name); | |
227 | if (d) | |
228 | return d; | |
229 | ||
230 | // Continue searching in parent parser | |
231 | if (parser->parent) | |
232 | return pakfire_parser_get_declaration_recursive(parser->parent, namespace, name); | |
233 | ||
234 | return NULL; | |
235 | } | |
236 | ||
237 | static void pakfire_parser_strip_namespace(char** s) { | |
238 | char* pos = strrchr(*s, '.'); | |
239 | ||
240 | if (pos) | |
241 | (*s)[pos - *s] = '\0'; | |
242 | else | |
243 | (*s)[0] = '\0'; | |
244 | } | |
245 | ||
246 | static struct pakfire_parser_declaration* pakfire_parser_find_declaration( | |
657a5c72 | 247 | struct pakfire_parser* parser, const char* namespace, const char* name) { |
3f6e35a7 MT |
248 | struct pakfire_parser_declaration* d; |
249 | char* n = NULL; | |
250 | ||
251 | // Create a working copy of namespace | |
252 | if (namespace) | |
253 | n = strdupa(namespace); | |
254 | ||
255 | while (1) { | |
256 | d = pakfire_parser_get_declaration_recursive(parser, n, name); | |
257 | if (d && d->value) | |
fb077c4c | 258 | return d; |
3f6e35a7 MT |
259 | |
260 | // End if we have exhausted the namespace | |
261 | if (!n || !*n) | |
262 | break; | |
263 | ||
264 | // Strip namespace | |
265 | pakfire_parser_strip_namespace(&n); | |
fb077c4c MT |
266 | } |
267 | ||
3f6e35a7 | 268 | // Nothing found |
fb077c4c MT |
269 | return NULL; |
270 | } | |
271 | ||
638abead | 272 | int pakfire_parser_set(struct pakfire_parser* parser, |
fea2e884 | 273 | const char* namespace, const char* name, const char* value, int flags) { |
5d901566 MT |
274 | if (!name) |
275 | return -EINVAL; | |
276 | ||
20440ba7 MT |
277 | if (!namespace) |
278 | namespace = ""; | |
279 | ||
5e5f2d2b | 280 | // Handle when name already exists |
aa75cc88 | 281 | struct pakfire_parser_declaration* d = pakfire_parser_get_declaration(parser, namespace, name); |
5e5f2d2b MT |
282 | if (d) { |
283 | // Replace value | |
284 | if (d->value) | |
f0d6233d | 285 | free(d->value); |
5d901566 MT |
286 | |
287 | if (value) | |
288 | d->value = strdup(value); | |
713da225 MT |
289 | else |
290 | d->value = NULL; | |
5e5f2d2b | 291 | |
fea2e884 MT |
292 | // Update flags |
293 | if (flags) | |
294 | d->flags = flags; | |
295 | ||
aa75cc88 MT |
296 | DEBUG(parser->pakfire, "%p: Updated declaration: %s.%s = %s\n", |
297 | parser, d->namespace, d->name, d->value); | |
5e5f2d2b MT |
298 | |
299 | // All done | |
300 | return 0; | |
301 | } | |
302 | ||
fb077c4c | 303 | // Allocate a new declaration |
90312f5c | 304 | d = calloc(1, sizeof(*d)); |
fb077c4c MT |
305 | if (!d) |
306 | return -1; | |
307 | ||
20440ba7 MT |
308 | // Store namespace |
309 | pakfire_string_set(d->namespace, namespace); | |
aa75cc88 | 310 | |
fb077c4c | 311 | // Import name & value |
20440ba7 | 312 | pakfire_string_set(d->name, name); |
5d901566 MT |
313 | if (value) |
314 | d->value = strdup(value); | |
fb077c4c | 315 | |
fea2e884 MT |
316 | // Import flags |
317 | d->flags = flags; | |
318 | ||
aa75cc88 MT |
319 | DEBUG(parser->pakfire, "%p: New declaration: %s.%s = %s\n", |
320 | parser, d->namespace, d->name, d->value); | |
fb077c4c MT |
321 | |
322 | // Assign new declaration to array | |
8868318d MT |
323 | parser->declarations = reallocarray(parser->declarations, |
324 | sizeof(*parser->declarations), parser->num_declarations + 1); | |
325 | parser->declarations[parser->num_declarations++] = d; | |
fb077c4c MT |
326 | |
327 | return 0; | |
328 | } | |
329 | ||
657a5c72 | 330 | int pakfire_parser_apply_declaration(struct pakfire_parser* parser, |
79fd37b5 | 331 | struct pakfire_parser_declaration* declaration) { |
ec0f0419 | 332 | if (declaration->flags & PAKFIRE_PARSER_DECLARATION_APPEND) |
aa75cc88 | 333 | return pakfire_parser_append(parser, declaration->namespace, declaration->name, declaration->value); |
ec0f0419 | 334 | |
fea2e884 MT |
335 | return pakfire_parser_set(parser, declaration->namespace, |
336 | declaration->name, declaration->value, declaration->flags); | |
79fd37b5 MT |
337 | } |
338 | ||
657a5c72 | 339 | static const char* pakfire_parser_find_template(struct pakfire_parser* parser, |
17689fc7 MT |
340 | char* template, size_t size, const char* namespace) { |
341 | DEBUG(parser->pakfire, "Looking up template in namespace '%s'\n", namespace); | |
342 | ||
343 | struct pakfire_parser_declaration* d = pakfire_parser_get_declaration( | |
344 | parser, namespace, "template"); | |
345 | ||
346 | const char* value = (d && *d->value) ? d->value : "MAIN"; | |
347 | ||
348 | snprintf(template, size, "packages.template:%s", value); | |
349 | ||
350 | return template; | |
351 | } | |
352 | ||
657a5c72 | 353 | static const char* pakfire_parser_get_raw(struct pakfire_parser* parser, const char* namespace, const char* name) { |
17689fc7 MT |
354 | struct pakfire_parser_declaration* d = NULL; |
355 | ||
356 | // First, perform a simple lookup | |
3f6e35a7 | 357 | d = pakfire_parser_get_declaration_recursive(parser, namespace, name); |
fb077c4c | 358 | |
67738482 | 359 | // Return a match when it actually contains a string |
f4d93071 | 360 | if (d && d->value) |
17689fc7 | 361 | return d->value; |
67738482 | 362 | |
17689fc7 MT |
363 | char template[NAME_MAX] = ""; |
364 | ||
365 | // If we couldn't find anything, we check if there is a template, and if that | |
366 | // has our value... | |
3f6e35a7 | 367 | if (namespace && pakfire_string_startswith(namespace, "packages.package:")) { |
17689fc7 MT |
368 | pakfire_parser_find_template(parser, template, sizeof(template) - 1, namespace); |
369 | ||
370 | if (*template) { | |
3f6e35a7 | 371 | d = pakfire_parser_find_declaration(parser, template, name); |
f4d93071 | 372 | if (d && d->value) |
17689fc7 MT |
373 | return d->value; |
374 | } | |
375 | } | |
376 | ||
3f6e35a7 MT |
377 | // Otherwise we walk up the namespace to find a match |
378 | d = pakfire_parser_find_declaration(parser, namespace, name); | |
379 | if (d && d->value) | |
380 | return d->value; | |
f16c81ca MT |
381 | |
382 | return NULL; | |
383 | } | |
384 | ||
638abead | 385 | int pakfire_parser_append(struct pakfire_parser* parser, |
aa75cc88 | 386 | const char* namespace, const char* name, const char* value) { |
fb077c4c MT |
387 | char* buffer = NULL; |
388 | ||
f16c81ca | 389 | // Fetch the value of the current declaration |
aa75cc88 | 390 | const char* old_value = pakfire_parser_get_raw(parser, namespace, name); |
f16c81ca | 391 | |
3f6e35a7 MT |
392 | DEBUG(parser->pakfire, "%p: Old value for %s.%s = %s\n", |
393 | parser, namespace, name, old_value); | |
394 | ||
f16c81ca MT |
395 | // Set the new value when there is no old one |
396 | if (!old_value) | |
fea2e884 | 397 | return pakfire_parser_set(parser, namespace, name, value, 0); |
f16c81ca | 398 | |
fb077c4c | 399 | // Concat value |
f16c81ca | 400 | int r = asprintf(&buffer, "%s %s", old_value, value); |
fb077c4c MT |
401 | if (r < 0) |
402 | return r; | |
403 | ||
f16c81ca | 404 | // Set the new value |
fea2e884 | 405 | r = pakfire_parser_set(parser, namespace, name, buffer, 0); |
f0d6233d | 406 | free(buffer); |
fb077c4c | 407 | |
f16c81ca | 408 | return r; |
fb077c4c MT |
409 | } |
410 | ||
657a5c72 | 411 | static int pakfire_parser_expand_commands(struct pakfire_parser* parser, char** buffer) { |
d25dd74f MT |
412 | int r = 0; |
413 | PCRE2_UCHAR* command = NULL; | |
414 | PCRE2_SIZE command_length; | |
415 | PCRE2_UCHAR* pattern = NULL; | |
416 | PCRE2_SIZE pattern_length; | |
417 | ||
418 | DEBUG(parser->pakfire, "Searching for commands in:\n%s\n", *buffer); | |
419 | ||
420 | // Allocate memory for results | |
421 | pcre2_match_data* match = pcre2_match_data_create_from_pattern( | |
422 | parser->regex_command, NULL); | |
423 | ||
424 | // Arguments passed to pakfire_execute | |
425 | const char* argv[4] = { | |
426 | "/bin/sh", "-c", NULL /* will be replaced by command later */, NULL, | |
427 | }; | |
428 | ||
429 | while (1) { | |
430 | // Perform matching | |
431 | int r = pcre2_jit_match(parser->regex_command, | |
432 | (PCRE2_UCHAR*)*buffer, strlen(*buffer), 0, 0, match, NULL); | |
433 | ||
434 | // End loop when we have expanded all variables | |
e614c5a6 MT |
435 | if (r == PCRE2_ERROR_NOMATCH) { |
436 | DEBUG(parser->pakfire, "No (more) matches found\n"); | |
d25dd74f | 437 | break; |
e614c5a6 | 438 | } |
d25dd74f MT |
439 | |
440 | // Extract the command | |
e614c5a6 | 441 | r = pcre2_substring_get_bynumber(match, 2, &command, &command_length); |
d25dd74f MT |
442 | if (r) |
443 | goto ERROR; | |
444 | ||
445 | DEBUG(parser->pakfire, "Expanding command: %s\n", command); | |
446 | ||
447 | // Update argv | |
448 | argv[2] = (const char*)command; | |
449 | ||
450 | // The output of the command | |
0a1b68b3 | 451 | char* output = NULL; |
d25dd74f MT |
452 | |
453 | // Execute the command inside the Pakfire environment | |
0a1b68b3 | 454 | r = pakfire_execute(parser->pakfire, argv, NULL, 0, |
ead9531f | 455 | pakfire_execute_capture_stdout, &output); |
d25dd74f MT |
456 | if (r) { |
457 | // Just log this and continue | |
458 | DEBUG(parser->pakfire, "Command '%s' failed with return code %d\n", command, r); | |
459 | } | |
460 | ||
0a1b68b3 MT |
461 | // Strip newline from output |
462 | if (output) | |
463 | pakfire_remove_trailing_newline(output); | |
464 | ||
d25dd74f MT |
465 | // Find the entire matched pattern |
466 | r = pcre2_substring_get_bynumber(match, 0, &pattern, &pattern_length); | |
0a1b68b3 MT |
467 | if (r) { |
468 | if (output) | |
469 | free(output); | |
470 | ||
d25dd74f | 471 | goto ERROR; |
0a1b68b3 | 472 | } |
d25dd74f MT |
473 | |
474 | // Replace all occurrences | |
475 | char* tmp = pakfire_string_replace(*buffer, (const char*)pattern, output); | |
0a1b68b3 MT |
476 | if (!tmp) { |
477 | if (output) | |
478 | free(output); | |
479 | ||
d25dd74f | 480 | goto ERROR; |
0a1b68b3 | 481 | } |
d25dd74f MT |
482 | |
483 | // Replace buffer | |
484 | free(*buffer); | |
485 | *buffer = tmp; | |
486 | ||
487 | // Free resources | |
488 | pcre2_substring_free(command); | |
489 | command = NULL; | |
490 | ||
491 | pcre2_substring_free(pattern); | |
492 | pattern = NULL; | |
0a1b68b3 MT |
493 | |
494 | if (output) | |
495 | free(output); | |
d25dd74f MT |
496 | } |
497 | ||
498 | ERROR: | |
499 | pcre2_match_data_free(match); | |
500 | ||
501 | if (command) | |
502 | pcre2_substring_free(command); | |
503 | if (pattern) | |
504 | pcre2_substring_free(pattern); | |
505 | ||
506 | return r; | |
507 | } | |
508 | ||
657a5c72 | 509 | static int pakfire_parser_expand_variables(struct pakfire_parser* parser, |
6accaf43 | 510 | const char* namespace, char** buffer) { |
d25dd74f | 511 | int r = 0; |
c178c275 MT |
512 | PCRE2_UCHAR* variable = NULL; |
513 | PCRE2_SIZE variable_length; | |
514 | PCRE2_UCHAR* pattern = NULL; | |
515 | PCRE2_SIZE pattern_length; | |
516 | ||
c178c275 | 517 | // Allocate memory for results |
d25dd74f MT |
518 | pcre2_match_data* match = pcre2_match_data_create_from_pattern( |
519 | parser->regex_variable, NULL); | |
fb077c4c MT |
520 | |
521 | // Search for any variables | |
522 | while (1) { | |
523 | // Perform matching | |
a41868f9 MT |
524 | int r = pcre2_jit_match(parser->regex_variable, |
525 | (PCRE2_UCHAR*)*buffer, strlen(*buffer), 0, 0, match, NULL); | |
fb077c4c MT |
526 | |
527 | // End loop when we have expanded all variables | |
c178c275 | 528 | if (r == PCRE2_ERROR_NOMATCH) { |
6accaf43 | 529 | DEBUG(parser->pakfire, "No (more) matches found in: %s\n", *buffer); |
fb077c4c MT |
530 | break; |
531 | } | |
532 | ||
f4d93071 MT |
533 | // Find the entire matched pattern |
534 | r = pcre2_substring_get_bynumber(match, 0, &pattern, &pattern_length); | |
535 | if (r) | |
536 | goto ERROR; | |
537 | ||
38fa3305 | 538 | // Find the variable name |
c178c275 MT |
539 | r = pcre2_substring_get_bynumber(match, 1, &variable, &variable_length); |
540 | if (r) | |
38fa3305 | 541 | goto ERROR; |
fb077c4c MT |
542 | |
543 | DEBUG(parser->pakfire, "Expanding variable: %s\n", variable); | |
544 | ||
545 | // Search for a declaration of this variable | |
17689fc7 | 546 | const char* repl = pakfire_parser_get_raw(parser, namespace, (const char*)variable); |
fb077c4c | 547 | |
f4d93071 MT |
548 | // Is this a recursive pattern? |
549 | if (repl && pakfire_string_matches(repl, (const char*)pattern)) { | |
550 | DEBUG(parser->pakfire, "Recursion detected in %s\n", pattern); | |
551 | ||
552 | // Move up one step and lookup there | |
553 | if (namespace && *namespace) { | |
554 | char* parent_namespace = strdupa(namespace); | |
555 | pakfire_parser_strip_namespace(&parent_namespace); | |
556 | ||
557 | repl = pakfire_parser_get_raw(parser, parent_namespace, (const char*)variable); | |
558 | ||
559 | // If we have already reached the top namespace, we replace with an empty string | |
560 | } else { | |
561 | repl = NULL; | |
562 | } | |
563 | } | |
564 | ||
38fa3305 | 565 | // What is its value? |
17689fc7 MT |
566 | if (repl) { |
567 | DEBUG(parser->pakfire, "Replacing %%{%s} with '%s'\n", variable, repl); | |
d310f14c | 568 | } else { |
38fa3305 | 569 | DEBUG(parser->pakfire, "Replacing %%{%s} with an empty string\n", variable); |
38fa3305 | 570 | } |
fb077c4c | 571 | |
38fa3305 | 572 | // Replace all occurrences |
17689fc7 | 573 | char* tmp = pakfire_string_replace(*buffer, (const char*)pattern, (repl) ? repl : ""); |
38fa3305 MT |
574 | if (!tmp) |
575 | goto ERROR; | |
fb077c4c | 576 | |
38fa3305 | 577 | // Replace buffer |
6accaf43 MT |
578 | free(*buffer); |
579 | *buffer = tmp; | |
fb077c4c | 580 | |
38fa3305 | 581 | // Free resources |
c178c275 | 582 | pcre2_substring_free(variable); |
6accaf43 | 583 | variable = NULL; |
fb077c4c | 584 | |
6accaf43 MT |
585 | pcre2_substring_free(pattern); |
586 | pattern = NULL; | |
38fa3305 | 587 | } |
fb077c4c | 588 | |
38fa3305 | 589 | ERROR: |
c178c275 | 590 | pcre2_match_data_free(match); |
fb077c4c | 591 | |
38fa3305 | 592 | if (variable) |
c178c275 | 593 | pcre2_substring_free(variable); |
38fa3305 | 594 | if (pattern) |
c178c275 | 595 | pcre2_substring_free(pattern); |
38fa3305 | 596 | |
6accaf43 MT |
597 | return r; |
598 | } | |
599 | ||
638abead | 600 | char* pakfire_parser_expand(struct pakfire_parser* parser, |
6accaf43 MT |
601 | const char* namespace, const char* value) { |
602 | // Return NULL when the value is NULL | |
603 | if (!value) | |
604 | return NULL; | |
605 | ||
606 | // Create a working copy of the string we are expanding | |
607 | char* buffer = strdup(value); | |
608 | ||
609 | // Fast path to check if there are any variables in here whatsoever | |
610 | char* pos = strchr(value, '%'); | |
611 | if (!pos) | |
612 | return buffer; | |
613 | ||
d25dd74f | 614 | // Compile all regular expressions |
bf7acff3 | 615 | int r = pakfire_parser_compile_regexes(parser); |
aed0b342 MT |
616 | if (r) |
617 | goto ERROR; | |
d25dd74f | 618 | |
6accaf43 | 619 | // Expand all variables |
d25dd74f | 620 | r = pakfire_parser_expand_variables(parser, namespace, &buffer); |
aed0b342 MT |
621 | if (r) |
622 | goto ERROR; | |
6accaf43 | 623 | |
d25dd74f MT |
624 | // Expand all commands |
625 | if (parser->flags & PAKFIRE_PARSER_FLAGS_EXPAND_COMMANDS) { | |
626 | r = pakfire_parser_expand_commands(parser, &buffer); | |
aed0b342 MT |
627 | if (r) |
628 | goto ERROR; | |
d25dd74f MT |
629 | } |
630 | ||
fb077c4c | 631 | return buffer; |
aed0b342 MT |
632 | |
633 | ERROR: | |
634 | if (buffer) | |
635 | free(buffer); | |
636 | ||
637 | return NULL; | |
fb077c4c MT |
638 | } |
639 | ||
638abead | 640 | char* pakfire_parser_get(struct pakfire_parser* parser, const char* namespace, const char* name) { |
aa75cc88 | 641 | const char* value = pakfire_parser_get_raw(parser, namespace, name); |
1a7200b5 | 642 | |
fb077c4c | 643 | // Return NULL when nothing was found |
1a7200b5 | 644 | if (!value) |
fb077c4c MT |
645 | return NULL; |
646 | ||
647 | // Otherwise return the expanded value | |
aa75cc88 | 648 | return pakfire_parser_expand(parser, namespace, value); |
fb077c4c MT |
649 | } |
650 | ||
638abead | 651 | char** pakfire_parser_get_split(struct pakfire_parser* parser, |
e10e1ad1 MT |
652 | const char* namespace, const char* name, char delim) { |
653 | char* value = pakfire_parser_get(parser, namespace, name); | |
654 | if (!value) | |
655 | return NULL; | |
656 | ||
657 | // Split the string | |
658 | char** list = pakfire_split_string(value, delim); | |
659 | free(value); | |
660 | ||
661 | return list; | |
662 | } | |
663 | ||
638abead | 664 | char** pakfire_parser_list_namespaces(struct pakfire_parser* parser, |
fa3cff8d MT |
665 | const char* filter) { |
666 | char** namespaces = NULL; | |
667 | unsigned int counter = 0; | |
668 | ||
669 | for (unsigned int i = 0; i < parser->num_declarations; i++) { | |
670 | struct pakfire_parser_declaration* d = parser->declarations[i]; | |
c8474e4f | 671 | |
fa3cff8d MT |
672 | if (filter) { |
673 | int r = fnmatch(filter, d->namespace, 0); | |
674 | ||
675 | // Skip declaration if it does not match | |
676 | if (r == FNM_NOMATCH) | |
677 | continue; | |
678 | ||
679 | // Check for any errors | |
680 | else if (r > 0) { | |
b1772bfb | 681 | ERROR(parser->pakfire, "fnmatch failed: %m\n"); |
fa3cff8d MT |
682 | if (namespaces) |
683 | free(namespaces); | |
684 | ||
685 | return NULL; | |
686 | } | |
687 | } | |
688 | ||
689 | // Does this already exist on the list? | |
690 | if (namespaces) { | |
691 | int found = 0; | |
692 | ||
17689fc7 | 693 | for (char** namespace = namespaces; *namespace; namespace++) { |
fa3cff8d MT |
694 | if (strcmp(d->namespace, *namespace) == 0) { |
695 | found = 1; | |
696 | break; | |
697 | } | |
698 | } | |
699 | ||
700 | // Skip adding if it already exists | |
701 | if (found) | |
702 | continue; | |
703 | } | |
704 | ||
705 | namespaces = reallocarray(namespaces, counter + 2, sizeof(*namespaces)); | |
706 | if (!namespaces) | |
707 | return NULL; | |
708 | ||
c8474e4f | 709 | // Add namespace and terminate the array |
fa3cff8d | 710 | namespaces[counter++] = d->namespace; |
fa3cff8d | 711 | namespaces[counter] = NULL; |
c8474e4f | 712 | } |
fa3cff8d MT |
713 | |
714 | return namespaces; | |
715 | } | |
716 | ||
638abead | 717 | int pakfire_parser_merge(struct pakfire_parser* parser1, struct pakfire_parser* parser2) { |
d310f14c | 718 | DEBUG(parser1->pakfire, "Merging parsers %p and %p\n", parser1, parser2); |
20440ba7 | 719 | char namespace[NAME_MAX*2+1]; |
d310f14c | 720 | |
c7577606 MT |
721 | if (!parser2) { |
722 | errno = EINVAL; | |
723 | return 1; | |
724 | } | |
725 | ||
1a7200b5 MT |
726 | // Do not try to merge a parser with itself |
727 | if (parser1 == parser2) | |
122e45f5 | 728 | return EINVAL; |
1a7200b5 | 729 | |
fcbbe16e MT |
730 | for (unsigned int i = 0; i < parser2->num_declarations; i++) { |
731 | struct pakfire_parser_declaration* d = parser2->declarations[i]; | |
732 | if (!d) | |
733 | break; | |
d310f14c | 734 | |
20440ba7 MT |
735 | if (parser2->namespace && *d->namespace) |
736 | pakfire_string_format(namespace, "%s.%s", parser2->namespace, d->namespace); | |
aa75cc88 | 737 | else if (parser2->namespace) |
20440ba7 MT |
738 | pakfire_string_set(namespace, parser2->namespace); |
739 | else if (*d->namespace) | |
740 | pakfire_string_set(namespace, d->namespace); | |
aa75cc88 | 741 | else |
20440ba7 | 742 | pakfire_string_set(namespace, ""); |
713da225 | 743 | |
fea2e884 | 744 | int r = pakfire_parser_set(parser1, namespace, d->name, d->value, d->flags); |
122e45f5 MT |
745 | if (r) |
746 | return r; | |
d310f14c MT |
747 | } |
748 | ||
122e45f5 | 749 | return 0; |
d310f14c MT |
750 | } |
751 | ||
638abead | 752 | int pakfire_parser_read(struct pakfire_parser* parser, FILE* f, |
4b7699d9 | 753 | struct pakfire_parser_error** error) { |
fb077c4c MT |
754 | char* data; |
755 | size_t len; | |
756 | ||
757 | int r = pakfire_read_file_into_buffer(f, &data, &len); | |
758 | if (r) | |
759 | return r; | |
760 | ||
4b7699d9 | 761 | r = pakfire_parser_parse_data(parser, data, len, error); |
89045ec6 MT |
762 | |
763 | if (data) | |
f0d6233d | 764 | free(data); |
89045ec6 | 765 | |
fb077c4c | 766 | return r; |
89045ec6 | 767 | } |
dac3330d | 768 | |
638abead | 769 | int pakfire_parser_read_file(struct pakfire_parser* parser, const char* path, |
4b7699d9 | 770 | struct pakfire_parser_error** error) { |
774aeac4 MT |
771 | FILE* f = fopen(path, "r"); |
772 | if (!f) | |
773 | return 1; | |
774 | ||
4b7699d9 | 775 | int r = pakfire_parser_read(parser, f, error); |
774aeac4 MT |
776 | fclose(f); |
777 | ||
778 | return r; | |
779 | } | |
780 | ||
638abead | 781 | int pakfire_parser_parse(struct pakfire_parser* parser, |
4b7699d9 MT |
782 | const char* data, size_t size, struct pakfire_parser_error** error) { |
783 | return pakfire_parser_parse_data(parser, data, size, error); | |
40f17018 MT |
784 | } |
785 | ||
638abead | 786 | char* pakfire_parser_dump(struct pakfire_parser* parser) { |
20440ba7 | 787 | char buffer[NAME_MAX*2 + 1]; |
dac3330d MT |
788 | char* s = NULL; |
789 | ||
790 | for (unsigned int i = 0; i < parser->num_declarations; i++) { | |
791 | struct pakfire_parser_declaration* d = parser->declarations[i]; | |
792 | ||
793 | if (d) { | |
20440ba7 MT |
794 | if (*d->namespace) |
795 | pakfire_string_format(buffer, "%s.%s", d->namespace, d->name); | |
dac3330d | 796 | else |
20440ba7 | 797 | pakfire_string_set(buffer, d->name); |
aa75cc88 MT |
798 | |
799 | asprintf(&s, "%s%-24s = %s\n", (s) ? s : "", buffer, d->value); | |
dac3330d MT |
800 | } |
801 | } | |
802 | ||
803 | return s; | |
804 | } | |
40f17018 | 805 | |
638abead | 806 | const char* pakfire_parser_get_namespace(struct pakfire_parser* parser) { |
40f17018 MT |
807 | return parser->namespace; |
808 | } | |
713da225 | 809 | |
638abead | 810 | int pakfire_parser_set_namespace(struct pakfire_parser* parser, const char* namespace) { |
713da225 MT |
811 | if (parser->namespace) |
812 | free(parser->namespace); | |
813 | ||
814 | if (namespace) | |
815 | parser->namespace = strdup(namespace); | |
816 | else | |
817 | parser->namespace = NULL; | |
818 | ||
819 | DEBUG(parser->pakfire, "%p: Set namespace to: %s\n", parser, parser->namespace); | |
820 | ||
821 | return 0; | |
822 | } | |
4b7699d9 | 823 | |
657a5c72 | 824 | char** pakfire_parser_make_environ(struct pakfire_parser* parser) { |
2ffd21f9 MT |
825 | char** envp = NULL; |
826 | unsigned int num = 0; | |
827 | ||
828 | for (unsigned int i = 0; i < parser->num_declarations; i++) { | |
829 | struct pakfire_parser_declaration* d = parser->declarations[i]; | |
830 | if (!d) | |
831 | continue; | |
832 | ||
833 | // Is the export flag set? | |
834 | if (d->flags & PAKFIRE_PARSER_DECLARATION_EXPORT) { | |
835 | char* buffer = NULL; | |
836 | ||
837 | char* value = pakfire_parser_expand(parser, d->namespace, d->value); | |
838 | if (!value) | |
839 | goto ERROR; | |
840 | ||
841 | // Build line | |
842 | int r = asprintf(&buffer, "%s=%s", d->name, value); | |
843 | free(value); | |
844 | if (r < 0) | |
845 | goto ERROR; | |
846 | ||
847 | // Extend the array | |
848 | envp = reallocarray(envp, num + 2, sizeof(*envp)); | |
849 | if (!envp) | |
850 | goto ERROR; | |
851 | ||
852 | envp[num++] = buffer; | |
853 | envp[num] = NULL; | |
854 | } | |
855 | } | |
856 | ||
857 | return envp; | |
858 | ||
859 | ERROR: | |
860 | if (envp) { | |
861 | for (char** e = envp; *e; e++) | |
862 | free(*e); | |
863 | free(envp); | |
864 | } | |
865 | ||
866 | return NULL; | |
867 | } | |
868 | ||
638abead | 869 | int pakfire_parser_create_package(struct pakfire_parser* parser, |
4651122b | 870 | struct pakfire_package** pkg, struct pakfire_repo* repo, const char* namespace, const char* default_arch) { |
f59d680a MT |
871 | int r = 1; |
872 | ||
873 | char* name = NULL; | |
874 | char* epoch = NULL; | |
875 | char* version = NULL; | |
876 | char* release = NULL; | |
877 | char* arch = NULL; | |
878 | char* evr = NULL; | |
879 | ||
17689fc7 MT |
880 | DEBUG(parser->pakfire, "Building package from namespace '%s'\n", namespace); |
881 | ||
f59d680a MT |
882 | // Fetch name |
883 | name = pakfire_parser_get(parser, namespace, "name"); | |
f3b3ed8e | 884 | if (!name || !*name) { |
f59d680a MT |
885 | ERROR(parser->pakfire, "Name is empty\n"); |
886 | goto CLEANUP; | |
887 | } | |
888 | ||
889 | // Fetch epoch | |
890 | epoch = pakfire_parser_get(parser, namespace, "epoch"); | |
f3b3ed8e | 891 | if (!epoch || !*epoch) { |
f59d680a MT |
892 | ERROR(parser->pakfire, "Epoch is empty\n"); |
893 | goto CLEANUP; | |
894 | } | |
895 | ||
896 | // Fetch version | |
897 | version = pakfire_parser_get(parser, namespace, "version"); | |
f3b3ed8e | 898 | if (!version || !*version) { |
f59d680a MT |
899 | ERROR(parser->pakfire, "Version is empty\n"); |
900 | goto CLEANUP; | |
901 | } | |
902 | ||
903 | // Fetch release | |
904 | release = pakfire_parser_get(parser, namespace, "release"); | |
f3b3ed8e | 905 | if (!release || !*release) { |
f59d680a MT |
906 | ERROR(parser->pakfire, "Release is empty\n"); |
907 | goto CLEANUP; | |
908 | } | |
909 | ||
910 | // Fetch arch | |
911 | arch = pakfire_parser_get(parser, namespace, "arch"); | |
f3b3ed8e | 912 | if (!arch || !*arch) { |
08bcb46a MT |
913 | if (default_arch) { |
914 | arch = strdup(default_arch); | |
915 | if (!arch) | |
916 | goto CLEANUP; | |
917 | } else { | |
918 | ERROR(parser->pakfire, "Arch is empty\n"); | |
919 | goto CLEANUP; | |
920 | } | |
f59d680a MT |
921 | } |
922 | ||
923 | // Compile EVR | |
924 | evr = pakfire_package_join_evr(epoch, version, release); | |
925 | if (!evr) | |
926 | goto CLEANUP; | |
927 | ||
928 | // Create a new package object | |
929 | *pkg = pakfire_package_create(parser->pakfire, repo, name, evr, arch); | |
930 | if (!*pkg) { | |
931 | ERROR(parser->pakfire, "Could not create package\n"); | |
932 | goto CLEANUP; | |
933 | } | |
934 | ||
5848e7cb MT |
935 | // Is this a source package? |
936 | int is_source = pakfire_package_is_source(*pkg); | |
937 | ||
df552c32 MT |
938 | // Assign a new UUID to this package |
939 | char* uuid = pakfire_generate_uuid(); | |
940 | if (!uuid) { | |
b1772bfb | 941 | ERROR(parser->pakfire, "Generating a UUID failed: %m\n"); |
df552c32 MT |
942 | goto CLEANUP; |
943 | } | |
944 | ||
945 | pakfire_package_set_uuid(*pkg, uuid); | |
946 | free(uuid); | |
947 | ||
d73ca64f MT |
948 | // Set build host |
949 | char hostname[HOST_NAME_MAX + 1]; | |
950 | r = gethostname(hostname, HOST_NAME_MAX + 1); | |
951 | if (r) { | |
b1772bfb | 952 | ERROR(parser->pakfire, "gethostname() failed: %m\n"); |
d73ca64f MT |
953 | goto CLEANUP; |
954 | } | |
955 | ||
956 | pakfire_package_set_build_host(*pkg, hostname); | |
957 | ||
958 | // Set build time | |
959 | time_t now = time(NULL); | |
960 | ||
961 | pakfire_package_set_build_time(*pkg, now); | |
962 | ||
f00837c0 MT |
963 | // Assign more attributes |
964 | const struct attribute { | |
965 | const char* name; | |
31480bee | 966 | void(*func)(struct pakfire_package* pkg, const char* value); |
f00837c0 MT |
967 | } attributes[] = { |
968 | { "summary", pakfire_package_set_summary, }, | |
969 | { "description", pakfire_package_set_description, }, | |
970 | { "license", pakfire_package_set_license, }, | |
971 | { "url", pakfire_package_set_url, }, | |
972 | { "groups", pakfire_package_set_groups, }, | |
973 | { "vendor", pakfire_package_set_vendor, }, | |
974 | { "maintainer", pakfire_package_set_maintainer, }, | |
975 | { NULL }, | |
976 | }; | |
977 | ||
978 | for (const struct attribute* a = attributes; a->name; a++) { | |
979 | char* value = pakfire_parser_get(parser, namespace, a->name); | |
980 | if (!value) | |
981 | continue; | |
982 | ||
983 | a->func(*pkg, value); | |
984 | free(value); | |
985 | } | |
986 | ||
b81a64ec | 987 | // Fetch build dependencies |
5848e7cb | 988 | if (is_source) { |
5848e7cb | 989 | char* requires = pakfire_parser_get(parser, "build", "requires"); |
8e3a7b94 | 990 | if (requires) { |
4abdf39d | 991 | pakfire_str2deps(parser->pakfire, *pkg, |
b81a64ec | 992 | pakfire_package_add_requires, requires); |
8e3a7b94 MT |
993 | free(requires); |
994 | } | |
995 | } else { | |
996 | const struct relation { | |
997 | const char* type; | |
31480bee | 998 | void (*func)(struct pakfire_package*, const char* dep); |
8e3a7b94 MT |
999 | } relations[] = { |
1000 | { "provides", pakfire_package_add_provides }, | |
1001 | { "prerequires", pakfire_package_add_prerequires }, | |
1002 | { "requires", pakfire_package_add_requires }, | |
1003 | { "conflicts", pakfire_package_add_conflicts }, | |
1004 | { "obsoletes", pakfire_package_add_obsoletes }, | |
1005 | { "recommends", pakfire_package_add_recommends }, | |
1006 | { "suggests", pakfire_package_add_suggests }, | |
1007 | { "supplements", pakfire_package_add_supplements }, | |
1008 | { "enhances", pakfire_package_add_enhances }, | |
1009 | { NULL, NULL }, | |
1010 | }; | |
1011 | ||
1012 | for (const struct relation* relation = relations; relation->type; relation++) { | |
1013 | char* relations = pakfire_parser_get(parser, namespace, relation->type); | |
1014 | if (relations) { | |
4abdf39d | 1015 | pakfire_str2deps(parser->pakfire, *pkg, relation->func, relations); |
8e3a7b94 MT |
1016 | free(relations); |
1017 | } | |
1018 | } | |
5848e7cb MT |
1019 | } |
1020 | ||
f59d680a MT |
1021 | // All okay |
1022 | r = 0; | |
1023 | ||
1024 | CLEANUP: | |
1025 | if (name) | |
1026 | free(name); | |
1027 | if (epoch) | |
1028 | free(epoch); | |
1029 | if (version) | |
1030 | free(version); | |
1031 | if (release) | |
1032 | free(release); | |
1033 | if (arch) | |
1034 | free(arch); | |
1035 | ||
1036 | return r; | |
1037 | } | |
1038 | ||
4b7699d9 MT |
1039 | // Error |
1040 | ||
1041 | struct pakfire_parser_error { | |
657a5c72 | 1042 | struct pakfire_parser* parser; |
4b7699d9 MT |
1043 | int nrefs; |
1044 | ||
1045 | char* filename; | |
1046 | int line; | |
1047 | char* message; | |
1048 | }; | |
1049 | ||
638abead | 1050 | int pakfire_parser_error_create(struct pakfire_parser_error** error, |
657a5c72 | 1051 | struct pakfire_parser* parser, const char* filename, int line, const char* message) { |
4b7699d9 MT |
1052 | struct pakfire_parser_error* e = calloc(1, sizeof(*e)); |
1053 | if (!e) | |
1054 | return ENOMEM; | |
1055 | ||
1056 | // Initialize reference counter | |
1057 | e->nrefs = 1; | |
1058 | ||
1059 | e->parser = pakfire_parser_ref(parser); | |
1060 | ||
1061 | // Copy all input values | |
1062 | if (filename) | |
1063 | e->filename = strdup(filename); | |
1064 | ||
1065 | e->line = line; | |
1066 | ||
1067 | if (message) | |
1068 | e->message = strdup(message); | |
1069 | ||
1070 | *error = e; | |
1071 | ||
1072 | return 0; | |
1073 | } | |
1074 | ||
638abead | 1075 | struct pakfire_parser_error* pakfire_parser_error_ref( |
4b7699d9 MT |
1076 | struct pakfire_parser_error* error) { |
1077 | ++error->nrefs; | |
1078 | ||
1079 | return error; | |
1080 | } | |
1081 | ||
1082 | static void pakfire_parser_error_free(struct pakfire_parser_error* error) { | |
1083 | pakfire_parser_unref(error->parser); | |
1084 | ||
1085 | if (error->filename) | |
1086 | free(error->filename); | |
1087 | ||
1088 | if (error->message) | |
1089 | free(error->message); | |
1090 | ||
1091 | free(error); | |
1092 | } | |
1093 | ||
638abead | 1094 | struct pakfire_parser_error* pakfire_parser_error_unref( |
4b7699d9 MT |
1095 | struct pakfire_parser_error* error) { |
1096 | if (--error->nrefs > 0) | |
1097 | return error; | |
1098 | ||
1099 | pakfire_parser_error_free(error); | |
1100 | ||
1101 | return NULL; | |
1102 | } | |
1103 | ||
638abead | 1104 | const char* pakfire_parser_error_get_filename( |
4b7699d9 MT |
1105 | struct pakfire_parser_error* error) { |
1106 | return error->filename; | |
1107 | } | |
1108 | ||
638abead | 1109 | int pakfire_parser_error_get_line(struct pakfire_parser_error* error) { |
4b7699d9 MT |
1110 | return error->line; |
1111 | } | |
1112 | ||
638abead | 1113 | const char* pakfire_parser_error_get_message( |
4b7699d9 MT |
1114 | struct pakfire_parser_error* error) { |
1115 | return error->message; | |
1116 | } |