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460b9539 | 1 | /* |
2 | * This file is part of DisOrder. | |
e83d0967 | 3 | * Copyright (C) 2004, 2005, 2006, 2007 Richard Kettlewell |
460b9539 | 4 | * |
5 | * This program is free software; you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License as published by | |
7 | * the Free Software Foundation; either version 2 of the License, or | |
8 | * (at your option) any later version. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, but | |
11 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | * General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with this program; if not, write to the Free Software | |
17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 | |
18 | * USA | |
19 | */ | |
0e4472a0 | 20 | /** @file lib/configuration.c |
21 | * @brief Configuration file support | |
22 | */ | |
460b9539 | 23 | |
24 | #include <config.h> | |
25 | #include "types.h" | |
26 | ||
27 | #include <stdio.h> | |
28 | #include <string.h> | |
29 | #include <stdlib.h> | |
30 | #include <errno.h> | |
31 | #include <sys/types.h> | |
32 | #include <sys/stat.h> | |
33 | #include <unistd.h> | |
34 | #include <ctype.h> | |
35 | #include <stddef.h> | |
36 | #include <pwd.h> | |
37 | #include <langinfo.h> | |
38 | #include <pcre.h> | |
39 | #include <signal.h> | |
40 | ||
41 | #include "configuration.h" | |
42 | #include "mem.h" | |
43 | #include "log.h" | |
44 | #include "split.h" | |
45 | #include "syscalls.h" | |
46 | #include "table.h" | |
47 | #include "inputline.h" | |
48 | #include "charset.h" | |
49 | #include "defs.h" | |
50 | #include "mixer.h" | |
51 | #include "printf.h" | |
52 | #include "regsub.h" | |
53 | #include "signame.h" | |
54 | ||
3f3bb97b RK |
55 | /** @brief Path to config file |
56 | * | |
57 | * set_configfile() sets the deafult if it is null. | |
58 | */ | |
460b9539 | 59 | char *configfile; |
60 | ||
3f3bb97b | 61 | /** @brief Config file parser state */ |
460b9539 | 62 | struct config_state { |
3f3bb97b | 63 | /** @brief Filename */ |
460b9539 | 64 | const char *path; |
3f3bb97b | 65 | /** @brief Line number */ |
460b9539 | 66 | int line; |
3f3bb97b | 67 | /** @brief Configuration object under construction */ |
460b9539 | 68 | struct config *config; |
69 | }; | |
70 | ||
3f3bb97b | 71 | /** @brief Current configuration */ |
460b9539 | 72 | struct config *config; |
73 | ||
3f3bb97b | 74 | /** @brief One configuration item */ |
460b9539 | 75 | struct conf { |
3f3bb97b | 76 | /** @brief Name as it appears in the config file */ |
460b9539 | 77 | const char *name; |
3f3bb97b | 78 | /** @brief Offset in @ref config structure */ |
460b9539 | 79 | size_t offset; |
3f3bb97b | 80 | /** @brief Pointer to item type */ |
460b9539 | 81 | const struct conftype *type; |
3f3bb97b | 82 | /** @brief Pointer to item-specific validation routine */ |
460b9539 | 83 | int (*validate)(const struct config_state *cs, |
84 | int nvec, char **vec); | |
85 | }; | |
86 | ||
3f3bb97b | 87 | /** @brief Type of a configuration item */ |
460b9539 | 88 | struct conftype { |
3f3bb97b | 89 | /** @brief Pointer to function to set item */ |
460b9539 | 90 | int (*set)(const struct config_state *cs, |
91 | const struct conf *whoami, | |
92 | int nvec, char **vec); | |
3f3bb97b | 93 | /** @brief Pointer to function to free item */ |
460b9539 | 94 | void (*free)(struct config *c, const struct conf *whoami); |
95 | }; | |
96 | ||
3f3bb97b | 97 | /** @brief Compute the address of an item */ |
460b9539 | 98 | #define ADDRESS(C, TYPE) ((TYPE *)((char *)(C) + whoami->offset)) |
3f3bb97b | 99 | /** @brief Return the value of an item */ |
460b9539 | 100 | #define VALUE(C, TYPE) (*ADDRESS(C, TYPE)) |
101 | ||
102 | static int set_signal(const struct config_state *cs, | |
103 | const struct conf *whoami, | |
104 | int nvec, char **vec) { | |
105 | int n; | |
106 | ||
107 | if(nvec != 1) { | |
108 | error(0, "%s:%d: '%s' requires one argument", | |
109 | cs->path, cs->line, whoami->name); | |
110 | return -1; | |
111 | } | |
112 | if((n = find_signal(vec[0])) == -1) { | |
113 | error(0, "%s:%d: unknown signal '%s'", | |
114 | cs->path, cs->line, vec[0]); | |
115 | return -1; | |
116 | } | |
117 | VALUE(cs->config, int) = n; | |
118 | return 0; | |
119 | } | |
120 | ||
121 | static int set_collections(const struct config_state *cs, | |
122 | const struct conf *whoami, | |
123 | int nvec, char **vec) { | |
124 | struct collectionlist *cl; | |
125 | ||
126 | if(nvec != 3) { | |
127 | error(0, "%s:%d: '%s' requires three arguments", | |
128 | cs->path, cs->line, whoami->name); | |
129 | return -1; | |
130 | } | |
131 | if(vec[2][0] != '/') { | |
132 | error(0, "%s:%d: collection root must start with '/'", | |
133 | cs->path, cs->line); | |
134 | return -1; | |
135 | } | |
136 | if(vec[2][1] && vec[2][strlen(vec[2])-1] == '/') { | |
137 | error(0, "%s:%d: collection root must not end with '/'", | |
138 | cs->path, cs->line); | |
139 | return -1; | |
140 | } | |
141 | cl = ADDRESS(cs->config, struct collectionlist); | |
142 | ++cl->n; | |
143 | cl->s = xrealloc(cl->s, cl->n * sizeof (struct collection)); | |
144 | cl->s[cl->n - 1].module = xstrdup(vec[0]); | |
145 | cl->s[cl->n - 1].encoding = xstrdup(vec[1]); | |
146 | cl->s[cl->n - 1].root = xstrdup(vec[2]); | |
147 | return 0; | |
148 | } | |
149 | ||
150 | static int set_boolean(const struct config_state *cs, | |
151 | const struct conf *whoami, | |
152 | int nvec, char **vec) { | |
153 | int state; | |
154 | ||
155 | if(nvec != 1) { | |
156 | error(0, "%s:%d: '%s' takes only one argument", | |
157 | cs->path, cs->line, whoami->name); | |
158 | return -1; | |
159 | } | |
160 | if(!strcmp(vec[0], "yes")) state = 1; | |
161 | else if(!strcmp(vec[0], "no")) state = 0; | |
162 | else { | |
163 | error(0, "%s:%d: argument to '%s' must be 'yes' or 'no'", | |
164 | cs->path, cs->line, whoami->name); | |
165 | return -1; | |
166 | } | |
167 | VALUE(cs->config, int) = state; | |
168 | return 0; | |
169 | } | |
170 | ||
171 | static int set_string(const struct config_state *cs, | |
172 | const struct conf *whoami, | |
173 | int nvec, char **vec) { | |
174 | if(nvec != 1) { | |
175 | error(0, "%s:%d: '%s' takes only one argument", | |
176 | cs->path, cs->line, whoami->name); | |
177 | return -1; | |
178 | } | |
179 | VALUE(cs->config, char *) = xstrdup(vec[0]); | |
180 | return 0; | |
181 | } | |
182 | ||
183 | static int set_stringlist(const struct config_state *cs, | |
184 | const struct conf *whoami, | |
185 | int nvec, char **vec) { | |
186 | int n; | |
187 | struct stringlist *sl; | |
188 | ||
189 | sl = ADDRESS(cs->config, struct stringlist); | |
190 | sl->n = 0; | |
191 | for(n = 0; n < nvec; ++n) { | |
192 | sl->n++; | |
193 | sl->s = xrealloc(sl->s, (sl->n * sizeof (char *))); | |
194 | sl->s[sl->n - 1] = xstrdup(vec[n]); | |
195 | } | |
196 | return 0; | |
197 | } | |
198 | ||
199 | static int set_integer(const struct config_state *cs, | |
200 | const struct conf *whoami, | |
201 | int nvec, char **vec) { | |
202 | char *e; | |
203 | ||
204 | if(nvec != 1) { | |
205 | error(0, "%s:%d: '%s' takes only one argument", | |
206 | cs->path, cs->line, whoami->name); | |
207 | return -1; | |
208 | } | |
209 | if(xstrtol(ADDRESS(cs->config, long), vec[0], &e, 0)) { | |
210 | error(errno, "%s:%d: converting integer", cs->path, cs->line); | |
211 | return -1; | |
212 | } | |
213 | if(*e) { | |
214 | error(0, "%s:%d: invalid integer syntax", cs->path, cs->line); | |
215 | return -1; | |
216 | } | |
217 | return 0; | |
218 | } | |
219 | ||
220 | static int set_stringlist_accum(const struct config_state *cs, | |
221 | const struct conf *whoami, | |
222 | int nvec, char **vec) { | |
223 | int n; | |
224 | struct stringlist *s; | |
225 | struct stringlistlist *sll; | |
226 | ||
227 | sll = ADDRESS(cs->config, struct stringlistlist); | |
228 | sll->n++; | |
229 | sll->s = xrealloc(sll->s, (sll->n * sizeof (struct stringlist))); | |
230 | s = &sll->s[sll->n - 1]; | |
231 | s->n = nvec; | |
232 | s->s = xmalloc((nvec + 1) * sizeof (char *)); | |
233 | for(n = 0; n < nvec; ++n) | |
234 | s->s[n] = xstrdup(vec[n]); | |
235 | return 0; | |
236 | } | |
237 | ||
238 | static int set_string_accum(const struct config_state *cs, | |
239 | const struct conf *whoami, | |
240 | int nvec, char **vec) { | |
241 | int n; | |
242 | struct stringlist *sl; | |
243 | ||
244 | sl = ADDRESS(cs->config, struct stringlist); | |
245 | for(n = 0; n < nvec; ++n) { | |
246 | sl->n++; | |
247 | sl->s = xrealloc(sl->s, (sl->n * sizeof (char *))); | |
248 | sl->s[sl->n - 1] = xstrdup(vec[n]); | |
249 | } | |
250 | return 0; | |
251 | } | |
252 | ||
253 | static int set_restrict(const struct config_state *cs, | |
254 | const struct conf *whoami, | |
255 | int nvec, char **vec) { | |
256 | unsigned r = 0; | |
257 | int n, i; | |
258 | ||
259 | static const struct restriction { | |
260 | const char *name; | |
261 | unsigned bit; | |
262 | } restrictions[] = { | |
263 | { "remove", RESTRICT_REMOVE }, | |
264 | { "scratch", RESTRICT_SCRATCH }, | |
265 | { "move", RESTRICT_MOVE }, | |
266 | }; | |
267 | ||
268 | for(n = 0; n < nvec; ++n) { | |
269 | if((i = TABLE_FIND(restrictions, struct restriction, name, vec[n])) < 0) { | |
270 | error(0, "%s:%d: invalid restriction '%s'", | |
271 | cs->path, cs->line, vec[n]); | |
272 | return -1; | |
273 | } | |
274 | r |= restrictions[i].bit; | |
275 | } | |
276 | VALUE(cs->config, unsigned) = r; | |
277 | return 0; | |
278 | } | |
279 | ||
9d5da576 | 280 | static int parse_sample_format(const struct config_state *cs, |
6d2d327c | 281 | struct stream_header *format, |
9d5da576 | 282 | int nvec, char **vec) { |
283 | char *p = vec[0]; | |
284 | long t; | |
285 | ||
6d2d327c | 286 | if(nvec != 1) { |
9d5da576 | 287 | error(0, "%s:%d: wrong number of arguments", cs->path, cs->line); |
288 | return -1; | |
289 | } | |
6d2d327c | 290 | if(xstrtol(&t, p, &p, 0)) { |
9d5da576 | 291 | error(errno, "%s:%d: converting bits-per-sample", cs->path, cs->line); |
292 | return -1; | |
293 | } | |
6d2d327c | 294 | if(t != 8 && t != 16) { |
9d5da576 | 295 | error(0, "%s:%d: bad bite-per-sample (%ld)", cs->path, cs->line, t); |
296 | return -1; | |
297 | } | |
6d2d327c | 298 | if(format) format->bits = t; |
9d5da576 | 299 | switch (*p) { |
6d2d327c RK |
300 | case 'l': case 'L': t = ENDIAN_LITTLE; p++; break; |
301 | case 'b': case 'B': t = ENDIAN_BIG; p++; break; | |
302 | default: t = ENDIAN_NATIVE; break; | |
9d5da576 | 303 | } |
6d2d327c RK |
304 | if(format) format->endian = t; |
305 | if(*p != '/') { | |
9d5da576 | 306 | error(errno, "%s:%d: expected `/' after bits-per-sample", |
307 | cs->path, cs->line); | |
308 | return -1; | |
309 | } | |
310 | p++; | |
6d2d327c | 311 | if(xstrtol(&t, p, &p, 0)) { |
9d5da576 | 312 | error(errno, "%s:%d: converting sample-rate", cs->path, cs->line); |
313 | return -1; | |
314 | } | |
6d2d327c | 315 | if(t < 1 || t > INT_MAX) { |
9d5da576 | 316 | error(0, "%s:%d: silly sample-rate (%ld)", cs->path, cs->line, t); |
317 | return -1; | |
318 | } | |
6d2d327c RK |
319 | if(format) format->rate = t; |
320 | if(*p != '/') { | |
9d5da576 | 321 | error(0, "%s:%d: expected `/' after sample-rate", |
322 | cs->path, cs->line); | |
323 | return -1; | |
324 | } | |
325 | p++; | |
6d2d327c | 326 | if(xstrtol(&t, p, &p, 0)) { |
9d5da576 | 327 | error(errno, "%s:%d: converting channels", cs->path, cs->line); |
328 | return -1; | |
329 | } | |
6d2d327c | 330 | if(t < 1 || t > 8) { |
9d5da576 | 331 | error(0, "%s:%d: silly number (%ld) of channels", cs->path, cs->line, t); |
332 | return -1; | |
333 | } | |
6d2d327c RK |
334 | if(format) format->channels = t; |
335 | if(*p) { | |
9d5da576 | 336 | error(0, "%s:%d: junk after channels", cs->path, cs->line); |
337 | return -1; | |
338 | } | |
339 | return 0; | |
340 | } | |
341 | ||
342 | static int set_sample_format(const struct config_state *cs, | |
343 | const struct conf *whoami, | |
344 | int nvec, char **vec) { | |
6d2d327c | 345 | return parse_sample_format(cs, ADDRESS(cs->config, struct stream_header), |
9d5da576 | 346 | nvec, vec); |
347 | } | |
348 | ||
460b9539 | 349 | static int set_namepart(const struct config_state *cs, |
350 | const struct conf *whoami, | |
351 | int nvec, char **vec) { | |
352 | struct namepartlist *npl = ADDRESS(cs->config, struct namepartlist); | |
353 | unsigned reflags; | |
354 | const char *errstr; | |
355 | int erroffset, n; | |
356 | pcre *re; | |
357 | ||
358 | if(nvec < 3) { | |
359 | error(0, "%s:%d: namepart needs at least 3 arguments", cs->path, cs->line); | |
360 | return -1; | |
361 | } | |
362 | if(nvec > 5) { | |
363 | error(0, "%s:%d: namepart needs at most 5 arguments", cs->path, cs->line); | |
364 | return -1; | |
365 | } | |
366 | reflags = nvec >= 5 ? regsub_flags(vec[4]) : 0; | |
367 | if(!(re = pcre_compile(vec[1], | |
368 | PCRE_UTF8 | |
369 | |regsub_compile_options(reflags), | |
370 | &errstr, &erroffset, 0))) { | |
371 | error(0, "%s:%d: error compiling regexp /%s/: %s (offset %d)", | |
372 | cs->path, cs->line, vec[1], errstr, erroffset); | |
373 | return -1; | |
374 | } | |
375 | npl->s = xrealloc(npl->s, (npl->n + 1) * sizeof (struct namepart)); | |
376 | npl->s[npl->n].part = xstrdup(vec[0]); | |
377 | npl->s[npl->n].re = re; | |
378 | npl->s[npl->n].replace = xstrdup(vec[2]); | |
379 | npl->s[npl->n].context = xstrdup(vec[3]); | |
380 | npl->s[npl->n].reflags = reflags; | |
381 | ++npl->n; | |
382 | /* XXX a bit of a bodge; relies on there being very few parts. */ | |
383 | for(n = 0; (n < cs->config->nparts | |
384 | && strcmp(cs->config->parts[n], vec[0])); ++n) | |
385 | ; | |
386 | if(n >= cs->config->nparts) { | |
387 | cs->config->parts = xrealloc(cs->config->parts, | |
388 | (cs->config->nparts + 1) * sizeof (char *)); | |
389 | cs->config->parts[cs->config->nparts++] = xstrdup(vec[0]); | |
390 | } | |
391 | return 0; | |
392 | } | |
393 | ||
394 | static int set_transform(const struct config_state *cs, | |
395 | const struct conf *whoami, | |
396 | int nvec, char **vec) { | |
397 | struct transformlist *tl = ADDRESS(cs->config, struct transformlist); | |
398 | pcre *re; | |
399 | unsigned reflags; | |
400 | const char *errstr; | |
401 | int erroffset; | |
402 | ||
403 | if(nvec < 3) { | |
404 | error(0, "%s:%d: transform needs at least 3 arguments", cs->path, cs->line); | |
405 | return -1; | |
406 | } | |
407 | if(nvec > 5) { | |
408 | error(0, "%s:%d: transform needs at most 5 arguments", cs->path, cs->line); | |
409 | return -1; | |
410 | } | |
411 | reflags = (nvec >= 5 ? regsub_flags(vec[4]) : 0); | |
412 | if(!(re = pcre_compile(vec[1], | |
413 | PCRE_UTF8 | |
414 | |regsub_compile_options(reflags), | |
415 | &errstr, &erroffset, 0))) { | |
416 | error(0, "%s:%d: error compiling regexp /%s/: %s (offset %d)", | |
417 | cs->path, cs->line, vec[1], errstr, erroffset); | |
418 | return -1; | |
419 | } | |
420 | tl->t = xrealloc(tl->t, (tl->n + 1) * sizeof (struct namepart)); | |
421 | tl->t[tl->n].type = xstrdup(vec[0]); | |
422 | tl->t[tl->n].context = xstrdup(vec[3] ? vec[3] : "*"); | |
423 | tl->t[tl->n].re = re; | |
424 | tl->t[tl->n].replace = xstrdup(vec[2]); | |
425 | tl->t[tl->n].flags = reflags; | |
426 | ++tl->n; | |
427 | return 0; | |
428 | } | |
429 | ||
e83d0967 RK |
430 | static int set_backend(const struct config_state *cs, |
431 | const struct conf *whoami, | |
432 | int nvec, char **vec) { | |
433 | int *const valuep = ADDRESS(cs->config, int); | |
434 | ||
435 | if(nvec != 1) { | |
436 | error(0, "%s:%d: '%s' requires one argument", | |
437 | cs->path, cs->line, whoami->name); | |
438 | return -1; | |
439 | } | |
440 | if(!strcmp(vec[0], "alsa")) { | |
441 | #if API_ALSA | |
442 | *valuep = BACKEND_ALSA; | |
443 | #else | |
444 | error(0, "%s:%d: ALSA is not available on this platform", | |
445 | cs->path, cs->line); | |
446 | return -1; | |
447 | #endif | |
448 | } else if(!strcmp(vec[0], "command")) | |
449 | *valuep = BACKEND_COMMAND; | |
450 | else if(!strcmp(vec[0], "network")) | |
451 | *valuep = BACKEND_NETWORK; | |
452 | else { | |
453 | error(0, "%s:%d: invalid '%s' value '%s'", | |
454 | cs->path, cs->line, whoami->name, vec[0]); | |
455 | return -1; | |
456 | } | |
457 | return 0; | |
458 | } | |
459 | ||
460b9539 | 460 | /* free functions */ |
461 | ||
462 | static void free_none(struct config attribute((unused)) *c, | |
463 | const struct conf attribute((unused)) *whoami) { | |
464 | } | |
465 | ||
466 | static void free_string(struct config *c, | |
467 | const struct conf *whoami) { | |
468 | xfree(VALUE(c, char *)); | |
469 | } | |
470 | ||
471 | static void free_stringlist(struct config *c, | |
472 | const struct conf *whoami) { | |
473 | int n; | |
474 | struct stringlist *sl = ADDRESS(c, struct stringlist); | |
475 | ||
476 | for(n = 0; n < sl->n; ++n) | |
477 | xfree(sl->s[n]); | |
478 | xfree(sl->s); | |
479 | } | |
480 | ||
481 | static void free_stringlistlist(struct config *c, | |
482 | const struct conf *whoami) { | |
483 | int n, m; | |
484 | struct stringlistlist *sll = ADDRESS(c, struct stringlistlist); | |
485 | struct stringlist *sl; | |
486 | ||
487 | for(n = 0; n < sll->n; ++n) { | |
488 | sl = &sll->s[n]; | |
489 | for(m = 0; m < sl->n; ++m) | |
490 | xfree(sl->s[m]); | |
491 | xfree(sl->s); | |
492 | } | |
493 | xfree(sll->s); | |
494 | } | |
495 | ||
496 | static void free_collectionlist(struct config *c, | |
497 | const struct conf *whoami) { | |
498 | struct collectionlist *cll = ADDRESS(c, struct collectionlist); | |
499 | struct collection *cl; | |
500 | int n; | |
501 | ||
502 | for(n = 0; n < cll->n; ++n) { | |
503 | cl = &cll->s[n]; | |
504 | xfree(cl->module); | |
505 | xfree(cl->encoding); | |
506 | xfree(cl->root); | |
507 | } | |
508 | xfree(cll->s); | |
509 | } | |
510 | ||
511 | static void free_namepartlist(struct config *c, | |
512 | const struct conf *whoami) { | |
513 | struct namepartlist *npl = ADDRESS(c, struct namepartlist); | |
514 | struct namepart *np; | |
515 | int n; | |
516 | ||
517 | for(n = 0; n < npl->n; ++n) { | |
518 | np = &npl->s[n]; | |
519 | xfree(np->part); | |
520 | pcre_free(np->re); /* ...whatever pcre_free is set to. */ | |
521 | xfree(np->replace); | |
522 | xfree(np->context); | |
523 | } | |
524 | xfree(npl->s); | |
525 | } | |
526 | ||
527 | static void free_transformlist(struct config *c, | |
528 | const struct conf *whoami) { | |
529 | struct transformlist *tl = ADDRESS(c, struct transformlist); | |
530 | struct transform *t; | |
531 | int n; | |
532 | ||
533 | for(n = 0; n < tl->n; ++n) { | |
534 | t = &tl->t[n]; | |
535 | xfree(t->type); | |
536 | pcre_free(t->re); /* ...whatever pcre_free is set to. */ | |
537 | xfree(t->replace); | |
538 | xfree(t->context); | |
539 | } | |
540 | xfree(tl->t); | |
541 | } | |
542 | ||
543 | /* configuration types */ | |
544 | ||
545 | static const struct conftype | |
546 | type_signal = { set_signal, free_none }, | |
547 | type_collections = { set_collections, free_collectionlist }, | |
548 | type_boolean = { set_boolean, free_none }, | |
549 | type_string = { set_string, free_string }, | |
550 | type_stringlist = { set_stringlist, free_stringlist }, | |
551 | type_integer = { set_integer, free_none }, | |
552 | type_stringlist_accum = { set_stringlist_accum, free_stringlistlist }, | |
553 | type_string_accum = { set_string_accum, free_stringlist }, | |
9d5da576 | 554 | type_sample_format = { set_sample_format, free_none }, |
460b9539 | 555 | type_restrict = { set_restrict, free_none }, |
556 | type_namepart = { set_namepart, free_namepartlist }, | |
e83d0967 RK |
557 | type_transform = { set_transform, free_transformlist }, |
558 | type_backend = { set_backend, free_none }; | |
460b9539 | 559 | |
560 | /* specific validation routine */ | |
561 | ||
562 | #define VALIDATE_FILE(test, what) do { \ | |
563 | struct stat sb; \ | |
564 | int n; \ | |
565 | \ | |
566 | for(n = 0; n < nvec; ++n) { \ | |
567 | if(stat(vec[n], &sb) < 0) { \ | |
568 | error(errno, "%s:%d: %s", cs->path, cs->line, vec[n]); \ | |
569 | return -1; \ | |
570 | } \ | |
571 | if(!test(sb.st_mode)) { \ | |
572 | error(0, "%s:%d: %s is not a %s", \ | |
573 | cs->path, cs->line, vec[n], what); \ | |
574 | return -1; \ | |
575 | } \ | |
576 | } \ | |
577 | } while(0) | |
578 | ||
579 | static int validate_isdir(const struct config_state *cs, | |
580 | int nvec, char **vec) { | |
581 | VALIDATE_FILE(S_ISDIR, "directory"); | |
582 | return 0; | |
583 | } | |
584 | ||
585 | static int validate_isreg(const struct config_state *cs, | |
586 | int nvec, char **vec) { | |
587 | VALIDATE_FILE(S_ISREG, "regular file"); | |
588 | return 0; | |
589 | } | |
590 | ||
591 | static int validate_ischr(const struct config_state *cs, | |
592 | int nvec, char **vec) { | |
593 | VALIDATE_FILE(S_ISCHR, "character device"); | |
594 | return 0; | |
595 | } | |
596 | ||
597 | static int validate_player(const struct config_state *cs, | |
598 | int nvec, | |
599 | char attribute((unused)) **vec) { | |
600 | if(nvec < 2) { | |
601 | error(0, "%s:%d: should be at least 'player PATTERN MODULE'", | |
602 | cs->path, cs->line); | |
603 | return -1; | |
604 | } | |
605 | return 0; | |
606 | } | |
607 | ||
608 | static int validate_allow(const struct config_state *cs, | |
609 | int nvec, | |
610 | char attribute((unused)) **vec) { | |
611 | if(nvec != 2) { | |
612 | error(0, "%s:%d: must be 'allow NAME PASS'", cs->path, cs->line); | |
613 | return -1; | |
614 | } | |
615 | return 0; | |
616 | } | |
617 | ||
618 | static int validate_non_negative(const struct config_state *cs, | |
619 | int nvec, char **vec) { | |
620 | long n; | |
621 | ||
622 | if(nvec < 1) { | |
623 | error(0, "%s:%d: missing argument", cs->path, cs->line); | |
624 | return -1; | |
625 | } | |
626 | if(nvec > 1) { | |
627 | error(0, "%s:%d: too many arguments", cs->path, cs->line); | |
628 | return -1; | |
629 | } | |
630 | if(xstrtol(&n, vec[0], 0, 0)) { | |
631 | error(0, "%s:%d: %s", cs->path, cs->line, strerror(errno)); | |
632 | return -1; | |
633 | } | |
634 | if(n < 0) { | |
635 | error(0, "%s:%d: must not be negative", cs->path, cs->line); | |
636 | return -1; | |
637 | } | |
638 | return 0; | |
639 | } | |
640 | ||
641 | static int validate_positive(const struct config_state *cs, | |
642 | int nvec, char **vec) { | |
643 | long n; | |
644 | ||
645 | if(nvec < 1) { | |
646 | error(0, "%s:%d: missing argument", cs->path, cs->line); | |
647 | return -1; | |
648 | } | |
649 | if(nvec > 1) { | |
650 | error(0, "%s:%d: too many arguments", cs->path, cs->line); | |
651 | return -1; | |
652 | } | |
653 | if(xstrtol(&n, vec[0], 0, 0)) { | |
654 | error(0, "%s:%d: %s", cs->path, cs->line, strerror(errno)); | |
655 | return -1; | |
656 | } | |
657 | if(n <= 0) { | |
658 | error(0, "%s:%d: must be positive", cs->path, cs->line); | |
659 | return -1; | |
660 | } | |
661 | return 0; | |
662 | } | |
663 | ||
664 | static int validate_isauser(const struct config_state *cs, | |
665 | int attribute((unused)) nvec, | |
666 | char **vec) { | |
667 | struct passwd *pw; | |
668 | ||
669 | if(!(pw = getpwnam(vec[0]))) { | |
670 | error(0, "%s:%d: no such user as '%s'", cs->path, cs->line, vec[0]); | |
671 | return -1; | |
672 | } | |
673 | return 0; | |
674 | } | |
675 | ||
9d5da576 | 676 | static int validate_sample_format(const struct config_state *cs, |
677 | int attribute((unused)) nvec, | |
678 | char **vec) { | |
679 | return parse_sample_format(cs, 0, nvec, vec); | |
680 | } | |
681 | ||
460b9539 | 682 | static int validate_channel(const struct config_state *cs, |
683 | int attribute((unused)) nvec, | |
684 | char **vec) { | |
685 | if(mixer_channel(vec[0]) == -1) { | |
686 | error(0, "%s:%d: invalid channel '%s'", cs->path, cs->line, vec[0]); | |
687 | return -1; | |
688 | } | |
689 | return 0; | |
690 | } | |
691 | ||
692 | static int validate_any(const struct config_state attribute((unused)) *cs, | |
693 | int attribute((unused)) nvec, | |
694 | char attribute((unused)) **vec) { | |
695 | return 0; | |
696 | } | |
697 | ||
698 | static int validate_url(const struct config_state attribute((unused)) *cs, | |
699 | int attribute((unused)) nvec, | |
700 | char **vec) { | |
701 | const char *s; | |
702 | int n; | |
703 | /* absoluteURI = scheme ":" ( hier_part | opaque_part ) | |
704 | scheme = alpha *( alpha | digit | "+" | "-" | "." ) */ | |
705 | s = vec[0]; | |
706 | n = strspn(s, ("abcdefghijklmnopqrstuvwxyz" | |
707 | "ABCDEFGHIJKLMNOPQRSTUVWXYZ" | |
708 | "0123456789")); | |
709 | if(s[n] != ':') { | |
710 | error(0, "%s:%d: invalid url '%s'", cs->path, cs->line, vec[0]); | |
711 | return -1; | |
712 | } | |
713 | if(!strncmp(s, "http:", 5) | |
714 | || !strncmp(s, "https:", 6)) { | |
715 | s += n + 1; | |
716 | /* we only do a rather cursory check */ | |
717 | if(strncmp(s, "//", 2)) { | |
718 | error(0, "%s:%d: invalid url '%s'", cs->path, cs->line, vec[0]); | |
719 | return -1; | |
720 | } | |
721 | } | |
722 | return 0; | |
723 | } | |
724 | ||
725 | static int validate_alias(const struct config_state *cs, | |
726 | int nvec, | |
727 | char **vec) { | |
728 | const char *s; | |
729 | int in_brackets = 0, c; | |
730 | ||
731 | if(nvec < 1) { | |
732 | error(0, "%s:%d: missing argument", cs->path, cs->line); | |
733 | return -1; | |
734 | } | |
735 | if(nvec > 1) { | |
736 | error(0, "%s:%d: too many arguments", cs->path, cs->line); | |
737 | return -1; | |
738 | } | |
739 | s = vec[0]; | |
740 | while((c = (unsigned char)*s++)) { | |
741 | if(in_brackets) { | |
742 | if(c == '}') | |
743 | in_brackets = 0; | |
744 | else if(!isalnum(c)) { | |
745 | error(0, "%s:%d: invalid part name in alias expansion in '%s'", | |
746 | cs->path, cs->line, vec[0]); | |
747 | return -1; | |
748 | } | |
749 | } else { | |
750 | if(c == '{') { | |
751 | in_brackets = 1; | |
752 | if(*s == '/') | |
753 | ++s; | |
754 | } else if(c == '\\') { | |
755 | if(!(c = (unsigned char)*s++)) { | |
756 | error(0, "%s:%d: unterminated escape in alias expansion in '%s'", | |
757 | cs->path, cs->line, vec[0]); | |
758 | return -1; | |
759 | } else if(c != '\\' && c != '{') { | |
760 | error(0, "%s:%d: invalid escape in alias expansion in '%s'", | |
761 | cs->path, cs->line, vec[0]); | |
762 | return -1; | |
763 | } | |
764 | } | |
765 | } | |
766 | ++s; | |
767 | } | |
768 | if(in_brackets) { | |
769 | error(0, "%s:%d: unterminated part name in alias expansion in '%s'", | |
770 | cs->path, cs->line, vec[0]); | |
771 | return -1; | |
772 | } | |
773 | return 0; | |
774 | } | |
775 | ||
e83d0967 RK |
776 | static int validate_addrport(const struct config_state attribute((unused)) *cs, |
777 | int nvec, | |
778 | char attribute((unused)) **vec) { | |
779 | switch(nvec) { | |
780 | case 0: | |
781 | error(0, "%s:%d: missing address", | |
782 | cs->path, cs->line); | |
783 | return -1; | |
784 | case 1: | |
785 | error(0, "%s:%d: missing port name/number", | |
786 | cs->path, cs->line); | |
787 | return -1; | |
788 | case 2: | |
789 | return 0; | |
790 | default: | |
791 | error(0, "%s:%d: expected ADDRESS PORT", | |
792 | cs->path, cs->line); | |
793 | return -1; | |
794 | } | |
795 | } | |
796 | ||
ccf0aafa | 797 | static int validate_port(const struct config_state attribute((unused)) *cs, |
e83d0967 RK |
798 | int nvec, |
799 | char attribute((unused)) **vec) { | |
800 | switch(nvec) { | |
801 | case 0: | |
802 | error(0, "%s:%d: missing address", | |
803 | cs->path, cs->line); | |
804 | return -1; | |
805 | case 1: | |
806 | case 2: | |
807 | return 0; | |
808 | default: | |
ccf0aafa | 809 | error(0, "%s:%d: expected [ADDRESS] PORT", |
e83d0967 RK |
810 | cs->path, cs->line); |
811 | return -1; | |
812 | } | |
813 | } | |
814 | ||
3f3bb97b | 815 | /** @brief Item name and and offset */ |
460b9539 | 816 | #define C(x) #x, offsetof(struct config, x) |
3f3bb97b | 817 | /** @brief Item name and and offset */ |
460b9539 | 818 | #define C2(x,y) #x, offsetof(struct config, y) |
819 | ||
3f3bb97b | 820 | /** @brief All configuration items */ |
460b9539 | 821 | static const struct conf conf[] = { |
822 | { C(alias), &type_string, validate_alias }, | |
823 | { C(allow), &type_stringlist_accum, validate_allow }, | |
e83d0967 | 824 | { C(broadcast), &type_stringlist, validate_addrport }, |
ccf0aafa | 825 | { C(broadcast_from), &type_stringlist, validate_addrport }, |
460b9539 | 826 | { C(channel), &type_string, validate_channel }, |
827 | { C(checkpoint_kbyte), &type_integer, validate_non_negative }, | |
828 | { C(checkpoint_min), &type_integer, validate_non_negative }, | |
829 | { C(collection), &type_collections, validate_any }, | |
e83d0967 | 830 | { C(connect), &type_stringlist, validate_addrport }, |
460b9539 | 831 | { C(device), &type_string, validate_any }, |
832 | { C(gap), &type_integer, validate_non_negative }, | |
833 | { C(history), &type_integer, validate_positive }, | |
834 | { C(home), &type_string, validate_isdir }, | |
ccf0aafa | 835 | { C(listen), &type_stringlist, validate_port }, |
460b9539 | 836 | { C(lock), &type_boolean, validate_any }, |
837 | { C(mixer), &type_string, validate_ischr }, | |
23205f9c | 838 | { C(multicast_ttl), &type_integer, validate_non_negative }, |
460b9539 | 839 | { C(namepart), &type_namepart, validate_any }, |
840 | { C2(nice, nice_rescan), &type_integer, validate_non_negative }, | |
841 | { C(nice_rescan), &type_integer, validate_non_negative }, | |
842 | { C(nice_server), &type_integer, validate_any }, | |
843 | { C(nice_speaker), &type_integer, validate_any }, | |
844 | { C(password), &type_string, validate_any }, | |
845 | { C(player), &type_stringlist_accum, validate_player }, | |
846 | { C(plugins), &type_string_accum, validate_isdir }, | |
847 | { C(prefsync), &type_integer, validate_positive }, | |
459d4402 | 848 | { C(queue_pad), &type_integer, validate_positive }, |
460b9539 | 849 | { C(refresh), &type_integer, validate_positive }, |
850 | { C2(restrict, restrictions), &type_restrict, validate_any }, | |
9d5da576 | 851 | { C(sample_format), &type_sample_format, validate_sample_format }, |
460b9539 | 852 | { C(scratch), &type_string_accum, validate_isreg }, |
853 | { C(signal), &type_signal, validate_any }, | |
5330d674 | 854 | { C(sox_generation), &type_integer, validate_non_negative }, |
e83d0967 | 855 | { C(speaker_backend), &type_backend, validate_any }, |
9d5da576 | 856 | { C(speaker_command), &type_string, validate_any }, |
460b9539 | 857 | { C(stopword), &type_string_accum, validate_any }, |
858 | { C(templates), &type_string_accum, validate_isdir }, | |
859 | { C(transform), &type_transform, validate_any }, | |
860 | { C(trust), &type_string_accum, validate_any }, | |
861 | { C(url), &type_string, validate_url }, | |
862 | { C(user), &type_string, validate_isauser }, | |
863 | { C(username), &type_string, validate_any }, | |
864 | }; | |
865 | ||
3f3bb97b | 866 | /** @brief Find a configuration item's definition by key */ |
460b9539 | 867 | static const struct conf *find(const char *key) { |
868 | int n; | |
869 | ||
870 | if((n = TABLE_FIND(conf, struct conf, name, key)) < 0) | |
871 | return 0; | |
872 | return &conf[n]; | |
873 | } | |
874 | ||
3f3bb97b | 875 | /** @brief Set a new configuration value */ |
460b9539 | 876 | static int config_set(const struct config_state *cs, |
877 | int nvec, char **vec) { | |
878 | const struct conf *which; | |
879 | ||
880 | D(("config_set %s", vec[0])); | |
881 | if(!(which = find(vec[0]))) { | |
882 | error(0, "%s:%d: unknown configuration key '%s'", | |
883 | cs->path, cs->line, vec[0]); | |
884 | return -1; | |
885 | } | |
886 | return (which->validate(cs, nvec - 1, vec + 1) | |
887 | || which->type->set(cs, which, nvec - 1, vec + 1)); | |
888 | } | |
889 | ||
0e4472a0 | 890 | /** @brief Error callback used by config_include() */ |
460b9539 | 891 | static void config_error(const char *msg, void *u) { |
892 | const struct config_state *cs = u; | |
893 | ||
894 | error(0, "%s:%d: %s", cs->path, cs->line, msg); | |
895 | } | |
896 | ||
3f3bb97b | 897 | /** @brief Include a file by name */ |
460b9539 | 898 | static int config_include(struct config *c, const char *path) { |
899 | FILE *fp; | |
900 | char *buffer, *inputbuffer, **vec; | |
901 | int n, ret = 0; | |
902 | struct config_state cs; | |
903 | ||
904 | cs.path = path; | |
905 | cs.line = 0; | |
906 | cs.config = c; | |
907 | D(("%s: reading configuration", path)); | |
908 | if(!(fp = fopen(path, "r"))) { | |
909 | error(errno, "error opening %s", path); | |
910 | return -1; | |
911 | } | |
912 | while(!inputline(path, fp, &inputbuffer, '\n')) { | |
913 | ++cs.line; | |
914 | if(!(buffer = mb2utf8(inputbuffer))) { | |
915 | error(errno, "%s:%d: cannot convert to UTF-8", cs.path, cs.line); | |
916 | ret = -1; | |
917 | xfree(inputbuffer); | |
918 | continue; | |
919 | } | |
920 | xfree(inputbuffer); | |
921 | if(!(vec = split(buffer, &n, SPLIT_COMMENTS|SPLIT_QUOTES, | |
922 | config_error, &cs))) { | |
923 | ret = -1; | |
924 | xfree(buffer); | |
925 | continue; | |
926 | } | |
927 | if(n) { | |
928 | if(!strcmp(vec[0], "include")) { | |
929 | if(n != 2) { | |
930 | error(0, "%s:%d: must be 'include PATH'", cs.path, cs.line); | |
931 | ret = -1; | |
932 | } else | |
933 | config_include(c, vec[1]); | |
934 | } else | |
935 | ret |= config_set(&cs, n, vec); | |
936 | } | |
937 | for(n = 0; vec[n]; ++n) xfree(vec[n]); | |
938 | xfree(vec); | |
939 | xfree(buffer); | |
940 | } | |
941 | if(ferror(fp)) { | |
942 | error(errno, "error reading %s", path); | |
943 | ret = -1; | |
944 | } | |
945 | fclose(fp); | |
946 | return ret; | |
947 | } | |
948 | ||
3f3bb97b | 949 | /** @brief Make a new default configuration */ |
460b9539 | 950 | static struct config *config_default(void) { |
951 | struct config *c = xmalloc(sizeof *c); | |
952 | const char *logname; | |
953 | struct passwd *pw; | |
954 | ||
955 | /* Strings had better be xstrdup'd as they will get freed at some point. */ | |
956 | c->gap = 2; | |
957 | c->history = 60; | |
958 | c->home = xstrdup(pkgstatedir); | |
959 | if(!(pw = getpwuid(getuid()))) | |
960 | fatal(0, "cannot determine our username"); | |
961 | logname = pw->pw_name; | |
962 | c->username = xstrdup(logname); | |
963 | c->refresh = 15; | |
964 | c->prefsync = 3600; | |
965 | c->signal = SIGKILL; | |
966 | c->alias = xstrdup("{/artist}{/album}{/title}{ext}"); | |
967 | c->lock = 1; | |
968 | c->device = xstrdup("default"); | |
969 | c->nice_rescan = 10; | |
9d5da576 | 970 | c->speaker_command = 0; |
971 | c->sample_format.bits = 16; | |
972 | c->sample_format.rate = 44100; | |
973 | c->sample_format.channels = 2; | |
6d2d327c | 974 | c->sample_format.endian = ENDIAN_NATIVE; |
459d4402 | 975 | c->queue_pad = 10; |
e83d0967 | 976 | c->speaker_backend = -1; |
23205f9c | 977 | c->multicast_ttl = 1; |
460b9539 | 978 | return c; |
979 | } | |
980 | ||
981 | static char *get_file(struct config *c, const char *name) { | |
982 | char *s; | |
983 | ||
984 | byte_xasprintf(&s, "%s/%s", c->home, name); | |
985 | return s; | |
986 | } | |
987 | ||
3f3bb97b | 988 | /** @brief Set the default configuration file */ |
460b9539 | 989 | static void set_configfile(void) { |
990 | if(!configfile) | |
991 | byte_xasprintf(&configfile, "%s/config", pkgconfdir); | |
992 | } | |
993 | ||
3f3bb97b | 994 | /** @brief Free a configuration object */ |
460b9539 | 995 | static void config_free(struct config *c) { |
996 | int n; | |
997 | ||
998 | if(c) { | |
999 | for(n = 0; n < (int)(sizeof conf / sizeof *conf); ++n) | |
1000 | conf[n].type->free(c, &conf[n]); | |
1001 | for(n = 0; n < c->nparts; ++n) | |
1002 | xfree(c->parts[n]); | |
1003 | xfree(c->parts); | |
1004 | xfree(c); | |
1005 | } | |
1006 | } | |
1007 | ||
3f3bb97b | 1008 | /** @brief Set post-parse defaults */ |
460b9539 | 1009 | static void config_postdefaults(struct config *c) { |
1010 | struct config_state cs; | |
1011 | const struct conf *whoami; | |
1012 | int n; | |
1013 | ||
1014 | static const char *namepart[][4] = { | |
1015 | { "title", "/([0-9]+:)?([^/]+)\\.[a-zA-Z0-9]+$", "$2", "display" }, | |
1016 | { "title", "/([^/]+)\\.[a-zA-Z0-9]+$", "$1", "sort" }, | |
1017 | { "album", "/([^/]+)/[^/]+$", "$1", "*" }, | |
1018 | { "artist", "/([^/]+)/[^/]+/[^/]+$", "$1", "*" }, | |
1019 | { "ext", "(\\.[a-zA-Z0-9]+)$", "$1", "*" }, | |
1020 | }; | |
1021 | #define NNAMEPART (int)(sizeof namepart / sizeof *namepart) | |
1022 | ||
1023 | static const char *transform[][5] = { | |
1024 | { "track", "^.*/([0-9]+:)?([^/]+)\\.[a-zA-Z0-9]+$", "$2", "display", "" }, | |
1025 | { "track", "^.*/([^/]+)\\.[a-zA-Z0-9]+$", "$1", "sort", "" }, | |
1026 | { "dir", "^.*/([^/]+)$", "$1", "*", "" }, | |
1027 | { "dir", "^(the) ([^/]*)", "$2, $1", "sort", "i", }, | |
1028 | { "dir", "[[:punct:]]", "", "sort", "g", } | |
1029 | }; | |
1030 | #define NTRANSFORM (int)(sizeof transform / sizeof *transform) | |
1031 | ||
1032 | cs.path = "<internal>"; | |
1033 | cs.line = 0; | |
1034 | cs.config = c; | |
1035 | if(!c->namepart.n) { | |
1036 | whoami = find("namepart"); | |
1037 | for(n = 0; n < NNAMEPART; ++n) | |
1038 | set_namepart(&cs, whoami, 4, (char **)namepart[n]); | |
1039 | } | |
1040 | if(!c->transform.n) { | |
1041 | whoami = find("transform"); | |
1042 | for(n = 0; n < NTRANSFORM; ++n) | |
1043 | set_transform(&cs, whoami, 5, (char **)transform[n]); | |
1044 | } | |
e83d0967 RK |
1045 | if(c->speaker_backend == -1) { |
1046 | if(c->speaker_command) | |
1047 | c->speaker_backend = BACKEND_COMMAND; | |
1048 | else if(c->broadcast.n) | |
1049 | c->speaker_backend = BACKEND_NETWORK; | |
1050 | else { | |
1051 | #if API_ALSA | |
1052 | c->speaker_backend = BACKEND_ALSA; | |
1053 | #else | |
1054 | c->speaker_backend = BACKEND_COMMAND; | |
1055 | #endif | |
1056 | } | |
1057 | } | |
1058 | if(c->speaker_backend == BACKEND_COMMAND && !c->speaker_command) | |
1059 | fatal(0, "speaker_backend is command but speaker_command is not set"); | |
1060 | if(c->speaker_backend == BACKEND_NETWORK && !c->broadcast.n) | |
1061 | fatal(0, "speaker_backend is network but broadcast is not set"); | |
6d2d327c RK |
1062 | if(c->speaker_backend) { |
1063 | /* Override sample format */ | |
1064 | c->sample_format.rate = 44100; | |
1065 | c->sample_format.channels = 2; | |
1066 | c->sample_format.bits = 16; | |
1067 | c->sample_format.endian = ENDIAN_BIG; | |
1068 | } | |
460b9539 | 1069 | } |
1070 | ||
3f3bb97b | 1071 | /** @brief (Re-)read the config file */ |
460b9539 | 1072 | int config_read() { |
1073 | struct config *c; | |
1074 | char *privconf; | |
1075 | struct passwd *pw; | |
1076 | ||
1077 | set_configfile(); | |
1078 | c = config_default(); | |
9ade2319 | 1079 | /* standalone Disobedience installs might not have a global config file */ |
1080 | if(access(configfile, F_OK) == 0) | |
1081 | if(config_include(c, configfile)) | |
1082 | return -1; | |
460b9539 | 1083 | /* if we can read the private config file, do */ |
1084 | if((privconf = config_private()) | |
1085 | && access(privconf, R_OK) == 0 | |
1086 | && config_include(c, privconf)) | |
1087 | return -1; | |
1088 | xfree(privconf); | |
1089 | /* if there's a per-user system config file for this user, read it */ | |
1090 | if(!(pw = getpwuid(getuid()))) | |
1091 | fatal(0, "cannot determine our username"); | |
1092 | if((privconf = config_usersysconf(pw)) | |
1093 | && access(privconf, F_OK) == 0 | |
1094 | && config_include(c, privconf)) | |
1095 | return -1; | |
1096 | xfree(privconf); | |
1097 | /* if we have a password file, read it */ | |
1098 | if((privconf = config_userconf(getenv("HOME"), pw)) | |
1099 | && access(privconf, F_OK) == 0 | |
1100 | && config_include(c, privconf)) | |
1101 | return -1; | |
1102 | xfree(privconf); | |
1103 | /* install default namepart and transform settings */ | |
1104 | config_postdefaults(c); | |
1105 | /* everything is good so we shall use the new config */ | |
1106 | config_free(config); | |
1107 | config = c; | |
1108 | return 0; | |
1109 | } | |
1110 | ||
3f3bb97b | 1111 | /** @brief Return the path to the private configuration file */ |
460b9539 | 1112 | char *config_private(void) { |
1113 | char *s; | |
1114 | ||
1115 | set_configfile(); | |
1116 | byte_xasprintf(&s, "%s.private", configfile); | |
1117 | return s; | |
1118 | } | |
1119 | ||
3f3bb97b | 1120 | /** @brief Return the path to user's personal configuration file */ |
460b9539 | 1121 | char *config_userconf(const char *home, const struct passwd *pw) { |
1122 | char *s; | |
1123 | ||
1124 | byte_xasprintf(&s, "%s/.disorder/passwd", home ? home : pw->pw_dir); | |
1125 | return s; | |
1126 | } | |
1127 | ||
3f3bb97b RK |
1128 | /** @brief Return the path to user-specific system configuration */ |
1129 | char *config_usersysconf(const struct passwd *pw) { | |
460b9539 | 1130 | char *s; |
1131 | ||
1132 | set_configfile(); | |
1133 | if(!strchr(pw->pw_name, '/')) { | |
1134 | byte_xasprintf(&s, "%s.%s", configfile, pw->pw_name); | |
1135 | return s; | |
1136 | } else | |
1137 | return 0; | |
1138 | } | |
1139 | ||
1140 | char *config_get_file(const char *name) { | |
1141 | return get_file(config, name); | |
1142 | } | |
1143 | ||
1144 | /* | |
1145 | Local Variables: | |
1146 | c-basic-offset:2 | |
1147 | comment-column:40 | |
1148 | fill-column:79 | |
1149 | End: | |
1150 | */ |