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460b9539 | 1 | /* |
2 | * This file is part of DisOrder. | |
b50cfb8a | 3 | * Copyright (C) 2004-2009 Richard Kettlewell |
313acc77 | 4 | * Portions copyright (C) 2007 Mark Wooding |
460b9539 | 5 | * |
e7eb3a27 | 6 | * This program is free software: you can redistribute it and/or modify |
460b9539 | 7 | * it under the terms of the GNU General Public License as published by |
e7eb3a27 | 8 | * the Free Software Foundation, either version 3 of the License, or |
460b9539 | 9 | * (at your option) any later version. |
e7eb3a27 RK |
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 | * | |
460b9539 | 16 | * You should have received a copy of the GNU General Public License |
e7eb3a27 | 17 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
460b9539 | 18 | */ |
0e4472a0 | 19 | /** @file lib/configuration.c |
20 | * @brief Configuration file support | |
21 | */ | |
460b9539 | 22 | |
05b75f8d | 23 | #include "common.h" |
460b9539 | 24 | |
460b9539 | 25 | #include <errno.h> |
26 | #include <sys/types.h> | |
27 | #include <sys/stat.h> | |
28 | #include <unistd.h> | |
29 | #include <ctype.h> | |
30 | #include <stddef.h> | |
31 | #include <pwd.h> | |
32 | #include <langinfo.h> | |
33 | #include <pcre.h> | |
34 | #include <signal.h> | |
35 | ||
04e1fa7c | 36 | #include "rights.h" |
460b9539 | 37 | #include "configuration.h" |
38 | #include "mem.h" | |
39 | #include "log.h" | |
40 | #include "split.h" | |
41 | #include "syscalls.h" | |
42 | #include "table.h" | |
43 | #include "inputline.h" | |
44 | #include "charset.h" | |
45 | #include "defs.h" | |
460b9539 | 46 | #include "printf.h" |
47 | #include "regsub.h" | |
48 | #include "signame.h" | |
637fdea3 | 49 | #include "authhash.h" |
e6a35d1c | 50 | #include "vector.h" |
b50cfb8a | 51 | #include "uaudio.h" |
460b9539 | 52 | |
3f3bb97b RK |
53 | /** @brief Path to config file |
54 | * | |
55 | * set_configfile() sets the deafult if it is null. | |
56 | */ | |
460b9539 | 57 | char *configfile; |
58 | ||
63ad732f RK |
59 | /** @brief Read user configuration |
60 | * | |
61 | * If clear, the user-specific configuration is not read. | |
62 | */ | |
63 | int config_per_user = 1; | |
64 | ||
b50cfb8a RK |
65 | /** @brief Table of audio APIs |
66 | * | |
67 | * Only set in server processes. | |
68 | */ | |
69 | const struct uaudio *const *config_uaudio_apis; | |
70 | ||
3f3bb97b | 71 | /** @brief Config file parser state */ |
460b9539 | 72 | struct config_state { |
3f3bb97b | 73 | /** @brief Filename */ |
460b9539 | 74 | const char *path; |
3f3bb97b | 75 | /** @brief Line number */ |
460b9539 | 76 | int line; |
3f3bb97b | 77 | /** @brief Configuration object under construction */ |
460b9539 | 78 | struct config *config; |
79 | }; | |
80 | ||
3f3bb97b | 81 | /** @brief Current configuration */ |
460b9539 | 82 | struct config *config; |
83 | ||
3f3bb97b | 84 | /** @brief One configuration item */ |
460b9539 | 85 | struct conf { |
3f3bb97b | 86 | /** @brief Name as it appears in the config file */ |
460b9539 | 87 | const char *name; |
3f3bb97b | 88 | /** @brief Offset in @ref config structure */ |
460b9539 | 89 | size_t offset; |
3f3bb97b | 90 | /** @brief Pointer to item type */ |
460b9539 | 91 | const struct conftype *type; |
3f3bb97b | 92 | /** @brief Pointer to item-specific validation routine */ |
460b9539 | 93 | int (*validate)(const struct config_state *cs, |
94 | int nvec, char **vec); | |
95 | }; | |
96 | ||
3f3bb97b | 97 | /** @brief Type of a configuration item */ |
460b9539 | 98 | struct conftype { |
3f3bb97b | 99 | /** @brief Pointer to function to set item */ |
460b9539 | 100 | int (*set)(const struct config_state *cs, |
101 | const struct conf *whoami, | |
102 | int nvec, char **vec); | |
3f3bb97b | 103 | /** @brief Pointer to function to free item */ |
460b9539 | 104 | void (*free)(struct config *c, const struct conf *whoami); |
105 | }; | |
106 | ||
3f3bb97b | 107 | /** @brief Compute the address of an item */ |
460b9539 | 108 | #define ADDRESS(C, TYPE) ((TYPE *)((char *)(C) + whoami->offset)) |
3f3bb97b | 109 | /** @brief Return the value of an item */ |
460b9539 | 110 | #define VALUE(C, TYPE) (*ADDRESS(C, TYPE)) |
111 | ||
112 | static int set_signal(const struct config_state *cs, | |
113 | const struct conf *whoami, | |
114 | int nvec, char **vec) { | |
115 | int n; | |
116 | ||
117 | if(nvec != 1) { | |
118 | error(0, "%s:%d: '%s' requires one argument", | |
119 | cs->path, cs->line, whoami->name); | |
120 | return -1; | |
121 | } | |
122 | if((n = find_signal(vec[0])) == -1) { | |
123 | error(0, "%s:%d: unknown signal '%s'", | |
124 | cs->path, cs->line, vec[0]); | |
125 | return -1; | |
126 | } | |
127 | VALUE(cs->config, int) = n; | |
128 | return 0; | |
129 | } | |
130 | ||
131 | static int set_collections(const struct config_state *cs, | |
132 | const struct conf *whoami, | |
133 | int nvec, char **vec) { | |
134 | struct collectionlist *cl; | |
01cef138 | 135 | const char *root, *encoding, *module; |
460b9539 | 136 | |
01cef138 RK |
137 | switch(nvec) { |
138 | case 1: | |
139 | module = 0; | |
140 | encoding = 0; | |
141 | root = vec[0]; | |
142 | break; | |
143 | case 2: | |
144 | module = vec[0]; | |
145 | encoding = 0; | |
146 | root = vec[1]; | |
147 | break; | |
148 | case 3: | |
149 | module = vec[0]; | |
150 | encoding = vec[1]; | |
151 | root = vec[2]; | |
152 | break; | |
153 | case 0: | |
154 | error(0, "%s:%d: '%s' requires at least one argument", | |
155 | cs->path, cs->line, whoami->name); | |
156 | return -1; | |
157 | default: | |
158 | error(0, "%s:%d: '%s' requires at most three arguments", | |
460b9539 | 159 | cs->path, cs->line, whoami->name); |
160 | return -1; | |
161 | } | |
01cef138 RK |
162 | /* Sanity check root */ |
163 | if(root[0] != '/') { | |
460b9539 | 164 | error(0, "%s:%d: collection root must start with '/'", |
165 | cs->path, cs->line); | |
166 | return -1; | |
167 | } | |
01cef138 | 168 | if(root[1] && root[strlen(root)-1] == '/') { |
460b9539 | 169 | error(0, "%s:%d: collection root must not end with '/'", |
170 | cs->path, cs->line); | |
171 | return -1; | |
172 | } | |
01cef138 RK |
173 | /* Defaults */ |
174 | if(!module) | |
175 | module = "fs"; | |
176 | if(!encoding) | |
177 | encoding = nl_langinfo(CODESET); | |
460b9539 | 178 | cl = ADDRESS(cs->config, struct collectionlist); |
179 | ++cl->n; | |
180 | cl->s = xrealloc(cl->s, cl->n * sizeof (struct collection)); | |
01cef138 RK |
181 | cl->s[cl->n - 1].module = xstrdup(module); |
182 | cl->s[cl->n - 1].encoding = xstrdup(encoding); | |
183 | cl->s[cl->n - 1].root = xstrdup(root); | |
460b9539 | 184 | return 0; |
185 | } | |
186 | ||
187 | static int set_boolean(const struct config_state *cs, | |
188 | const struct conf *whoami, | |
189 | int nvec, char **vec) { | |
190 | int state; | |
191 | ||
192 | if(nvec != 1) { | |
193 | error(0, "%s:%d: '%s' takes only one argument", | |
194 | cs->path, cs->line, whoami->name); | |
195 | return -1; | |
196 | } | |
197 | if(!strcmp(vec[0], "yes")) state = 1; | |
198 | else if(!strcmp(vec[0], "no")) state = 0; | |
199 | else { | |
200 | error(0, "%s:%d: argument to '%s' must be 'yes' or 'no'", | |
201 | cs->path, cs->line, whoami->name); | |
202 | return -1; | |
203 | } | |
204 | VALUE(cs->config, int) = state; | |
205 | return 0; | |
206 | } | |
207 | ||
208 | static int set_string(const struct config_state *cs, | |
209 | const struct conf *whoami, | |
210 | int nvec, char **vec) { | |
211 | if(nvec != 1) { | |
212 | error(0, "%s:%d: '%s' takes only one argument", | |
213 | cs->path, cs->line, whoami->name); | |
214 | return -1; | |
215 | } | |
216 | VALUE(cs->config, char *) = xstrdup(vec[0]); | |
217 | return 0; | |
218 | } | |
219 | ||
220 | static int set_stringlist(const struct config_state *cs, | |
221 | const struct conf *whoami, | |
222 | int nvec, char **vec) { | |
223 | int n; | |
224 | struct stringlist *sl; | |
225 | ||
226 | sl = ADDRESS(cs->config, struct stringlist); | |
227 | sl->n = 0; | |
228 | for(n = 0; n < nvec; ++n) { | |
229 | sl->n++; | |
230 | sl->s = xrealloc(sl->s, (sl->n * sizeof (char *))); | |
231 | sl->s[sl->n - 1] = xstrdup(vec[n]); | |
232 | } | |
233 | return 0; | |
234 | } | |
235 | ||
236 | static int set_integer(const struct config_state *cs, | |
237 | const struct conf *whoami, | |
238 | int nvec, char **vec) { | |
239 | char *e; | |
240 | ||
241 | if(nvec != 1) { | |
242 | error(0, "%s:%d: '%s' takes only one argument", | |
243 | cs->path, cs->line, whoami->name); | |
244 | return -1; | |
245 | } | |
246 | if(xstrtol(ADDRESS(cs->config, long), vec[0], &e, 0)) { | |
247 | error(errno, "%s:%d: converting integer", cs->path, cs->line); | |
248 | return -1; | |
249 | } | |
250 | if(*e) { | |
251 | error(0, "%s:%d: invalid integer syntax", cs->path, cs->line); | |
252 | return -1; | |
253 | } | |
254 | return 0; | |
255 | } | |
256 | ||
257 | static int set_stringlist_accum(const struct config_state *cs, | |
258 | const struct conf *whoami, | |
259 | int nvec, char **vec) { | |
260 | int n; | |
261 | struct stringlist *s; | |
262 | struct stringlistlist *sll; | |
263 | ||
264 | sll = ADDRESS(cs->config, struct stringlistlist); | |
40c30921 RK |
265 | if(nvec == 0) { |
266 | sll->n = 0; | |
267 | return 0; | |
268 | } | |
460b9539 | 269 | sll->n++; |
270 | sll->s = xrealloc(sll->s, (sll->n * sizeof (struct stringlist))); | |
271 | s = &sll->s[sll->n - 1]; | |
272 | s->n = nvec; | |
273 | s->s = xmalloc((nvec + 1) * sizeof (char *)); | |
274 | for(n = 0; n < nvec; ++n) | |
275 | s->s[n] = xstrdup(vec[n]); | |
276 | return 0; | |
277 | } | |
278 | ||
279 | static int set_string_accum(const struct config_state *cs, | |
280 | const struct conf *whoami, | |
281 | int nvec, char **vec) { | |
282 | int n; | |
283 | struct stringlist *sl; | |
284 | ||
285 | sl = ADDRESS(cs->config, struct stringlist); | |
40c30921 RK |
286 | if(nvec == 0) { |
287 | sl->n = 0; | |
288 | return 0; | |
289 | } | |
460b9539 | 290 | for(n = 0; n < nvec; ++n) { |
291 | sl->n++; | |
292 | sl->s = xrealloc(sl->s, (sl->n * sizeof (char *))); | |
293 | sl->s[sl->n - 1] = xstrdup(vec[n]); | |
294 | } | |
295 | return 0; | |
296 | } | |
297 | ||
298 | static int set_restrict(const struct config_state *cs, | |
299 | const struct conf *whoami, | |
300 | int nvec, char **vec) { | |
301 | unsigned r = 0; | |
302 | int n, i; | |
303 | ||
304 | static const struct restriction { | |
305 | const char *name; | |
306 | unsigned bit; | |
307 | } restrictions[] = { | |
308 | { "remove", RESTRICT_REMOVE }, | |
309 | { "scratch", RESTRICT_SCRATCH }, | |
310 | { "move", RESTRICT_MOVE }, | |
311 | }; | |
312 | ||
313 | for(n = 0; n < nvec; ++n) { | |
ba937f01 | 314 | if((i = TABLE_FIND(restrictions, name, vec[n])) < 0) { |
460b9539 | 315 | error(0, "%s:%d: invalid restriction '%s'", |
316 | cs->path, cs->line, vec[n]); | |
317 | return -1; | |
318 | } | |
319 | r |= restrictions[i].bit; | |
320 | } | |
321 | VALUE(cs->config, unsigned) = r; | |
322 | return 0; | |
323 | } | |
324 | ||
9d5da576 | 325 | static int parse_sample_format(const struct config_state *cs, |
6d2d327c | 326 | struct stream_header *format, |
9d5da576 | 327 | int nvec, char **vec) { |
328 | char *p = vec[0]; | |
329 | long t; | |
330 | ||
6d2d327c | 331 | if(nvec != 1) { |
9d5da576 | 332 | error(0, "%s:%d: wrong number of arguments", cs->path, cs->line); |
333 | return -1; | |
334 | } | |
6d2d327c | 335 | if(xstrtol(&t, p, &p, 0)) { |
9d5da576 | 336 | error(errno, "%s:%d: converting bits-per-sample", cs->path, cs->line); |
337 | return -1; | |
338 | } | |
6d2d327c | 339 | if(t != 8 && t != 16) { |
9d5da576 | 340 | error(0, "%s:%d: bad bite-per-sample (%ld)", cs->path, cs->line, t); |
341 | return -1; | |
342 | } | |
6d2d327c | 343 | if(format) format->bits = t; |
9d5da576 | 344 | switch (*p) { |
6d2d327c RK |
345 | case 'l': case 'L': t = ENDIAN_LITTLE; p++; break; |
346 | case 'b': case 'B': t = ENDIAN_BIG; p++; break; | |
347 | default: t = ENDIAN_NATIVE; break; | |
9d5da576 | 348 | } |
6d2d327c RK |
349 | if(format) format->endian = t; |
350 | if(*p != '/') { | |
9d5da576 | 351 | error(errno, "%s:%d: expected `/' after bits-per-sample", |
352 | cs->path, cs->line); | |
353 | return -1; | |
354 | } | |
355 | p++; | |
6d2d327c | 356 | if(xstrtol(&t, p, &p, 0)) { |
9d5da576 | 357 | error(errno, "%s:%d: converting sample-rate", cs->path, cs->line); |
358 | return -1; | |
359 | } | |
6d2d327c | 360 | if(t < 1 || t > INT_MAX) { |
9d5da576 | 361 | error(0, "%s:%d: silly sample-rate (%ld)", cs->path, cs->line, t); |
362 | return -1; | |
363 | } | |
6d2d327c RK |
364 | if(format) format->rate = t; |
365 | if(*p != '/') { | |
9d5da576 | 366 | error(0, "%s:%d: expected `/' after sample-rate", |
367 | cs->path, cs->line); | |
368 | return -1; | |
369 | } | |
370 | p++; | |
6d2d327c | 371 | if(xstrtol(&t, p, &p, 0)) { |
9d5da576 | 372 | error(errno, "%s:%d: converting channels", cs->path, cs->line); |
373 | return -1; | |
374 | } | |
6d2d327c | 375 | if(t < 1 || t > 8) { |
9d5da576 | 376 | error(0, "%s:%d: silly number (%ld) of channels", cs->path, cs->line, t); |
377 | return -1; | |
378 | } | |
6d2d327c RK |
379 | if(format) format->channels = t; |
380 | if(*p) { | |
9d5da576 | 381 | error(0, "%s:%d: junk after channels", cs->path, cs->line); |
382 | return -1; | |
383 | } | |
384 | return 0; | |
385 | } | |
386 | ||
387 | static int set_sample_format(const struct config_state *cs, | |
388 | const struct conf *whoami, | |
389 | int nvec, char **vec) { | |
6d2d327c | 390 | return parse_sample_format(cs, ADDRESS(cs->config, struct stream_header), |
9d5da576 | 391 | nvec, vec); |
392 | } | |
393 | ||
460b9539 | 394 | static int set_namepart(const struct config_state *cs, |
395 | const struct conf *whoami, | |
396 | int nvec, char **vec) { | |
397 | struct namepartlist *npl = ADDRESS(cs->config, struct namepartlist); | |
398 | unsigned reflags; | |
399 | const char *errstr; | |
400 | int erroffset, n; | |
401 | pcre *re; | |
402 | ||
403 | if(nvec < 3) { | |
404 | error(0, "%s:%d: namepart needs at least 3 arguments", cs->path, cs->line); | |
405 | return -1; | |
406 | } | |
407 | if(nvec > 5) { | |
408 | error(0, "%s:%d: namepart 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 | npl->s = xrealloc(npl->s, (npl->n + 1) * sizeof (struct namepart)); | |
421 | npl->s[npl->n].part = xstrdup(vec[0]); | |
422 | npl->s[npl->n].re = re; | |
423 | npl->s[npl->n].replace = xstrdup(vec[2]); | |
424 | npl->s[npl->n].context = xstrdup(vec[3]); | |
425 | npl->s[npl->n].reflags = reflags; | |
426 | ++npl->n; | |
427 | /* XXX a bit of a bodge; relies on there being very few parts. */ | |
428 | for(n = 0; (n < cs->config->nparts | |
429 | && strcmp(cs->config->parts[n], vec[0])); ++n) | |
430 | ; | |
431 | if(n >= cs->config->nparts) { | |
432 | cs->config->parts = xrealloc(cs->config->parts, | |
433 | (cs->config->nparts + 1) * sizeof (char *)); | |
434 | cs->config->parts[cs->config->nparts++] = xstrdup(vec[0]); | |
435 | } | |
436 | return 0; | |
437 | } | |
438 | ||
439 | static int set_transform(const struct config_state *cs, | |
440 | const struct conf *whoami, | |
441 | int nvec, char **vec) { | |
442 | struct transformlist *tl = ADDRESS(cs->config, struct transformlist); | |
443 | pcre *re; | |
444 | unsigned reflags; | |
445 | const char *errstr; | |
446 | int erroffset; | |
447 | ||
448 | if(nvec < 3) { | |
449 | error(0, "%s:%d: transform needs at least 3 arguments", cs->path, cs->line); | |
450 | return -1; | |
451 | } | |
452 | if(nvec > 5) { | |
453 | error(0, "%s:%d: transform needs at most 5 arguments", cs->path, cs->line); | |
454 | return -1; | |
455 | } | |
456 | reflags = (nvec >= 5 ? regsub_flags(vec[4]) : 0); | |
457 | if(!(re = pcre_compile(vec[1], | |
458 | PCRE_UTF8 | |
459 | |regsub_compile_options(reflags), | |
460 | &errstr, &erroffset, 0))) { | |
461 | error(0, "%s:%d: error compiling regexp /%s/: %s (offset %d)", | |
462 | cs->path, cs->line, vec[1], errstr, erroffset); | |
463 | return -1; | |
464 | } | |
465 | tl->t = xrealloc(tl->t, (tl->n + 1) * sizeof (struct namepart)); | |
466 | tl->t[tl->n].type = xstrdup(vec[0]); | |
467 | tl->t[tl->n].context = xstrdup(vec[3] ? vec[3] : "*"); | |
468 | tl->t[tl->n].re = re; | |
469 | tl->t[tl->n].replace = xstrdup(vec[2]); | |
470 | tl->t[tl->n].flags = reflags; | |
471 | ++tl->n; | |
472 | return 0; | |
473 | } | |
474 | ||
04e1fa7c RK |
475 | static int set_rights(const struct config_state *cs, |
476 | const struct conf *whoami, | |
477 | int nvec, char **vec) { | |
04e1fa7c RK |
478 | if(nvec != 1) { |
479 | error(0, "%s:%d: '%s' requires one argument", | |
480 | cs->path, cs->line, whoami->name); | |
481 | return -1; | |
482 | } | |
0f55e905 | 483 | if(parse_rights(vec[0], 0, 1)) { |
04e1fa7c RK |
484 | error(0, "%s:%d: invalid rights string '%s'", |
485 | cs->path, cs->line, vec[0]); | |
486 | return -1; | |
487 | } | |
0f55e905 | 488 | *ADDRESS(cs->config, char *) = vec[0]; |
04e1fa7c RK |
489 | return 0; |
490 | } | |
491 | ||
76e72f65 RK |
492 | static int set_netaddress(const struct config_state *cs, |
493 | const struct conf *whoami, | |
494 | int nvec, char **vec) { | |
495 | struct netaddress *na = ADDRESS(cs->config, struct netaddress); | |
496 | ||
497 | if(netaddress_parse(na, nvec, vec)) { | |
498 | error(0, "%s:%d: invalid network address", cs->path, cs->line); | |
499 | return -1; | |
500 | } | |
501 | return 0; | |
502 | } | |
503 | ||
460b9539 | 504 | /* free functions */ |
505 | ||
506 | static void free_none(struct config attribute((unused)) *c, | |
507 | const struct conf attribute((unused)) *whoami) { | |
508 | } | |
509 | ||
510 | static void free_string(struct config *c, | |
511 | const struct conf *whoami) { | |
512 | xfree(VALUE(c, char *)); | |
513 | } | |
514 | ||
515 | static void free_stringlist(struct config *c, | |
516 | const struct conf *whoami) { | |
517 | int n; | |
518 | struct stringlist *sl = ADDRESS(c, struct stringlist); | |
519 | ||
520 | for(n = 0; n < sl->n; ++n) | |
521 | xfree(sl->s[n]); | |
522 | xfree(sl->s); | |
523 | } | |
524 | ||
525 | static void free_stringlistlist(struct config *c, | |
526 | const struct conf *whoami) { | |
527 | int n, m; | |
528 | struct stringlistlist *sll = ADDRESS(c, struct stringlistlist); | |
529 | struct stringlist *sl; | |
530 | ||
531 | for(n = 0; n < sll->n; ++n) { | |
532 | sl = &sll->s[n]; | |
533 | for(m = 0; m < sl->n; ++m) | |
534 | xfree(sl->s[m]); | |
535 | xfree(sl->s); | |
536 | } | |
537 | xfree(sll->s); | |
538 | } | |
539 | ||
540 | static void free_collectionlist(struct config *c, | |
541 | const struct conf *whoami) { | |
542 | struct collectionlist *cll = ADDRESS(c, struct collectionlist); | |
543 | struct collection *cl; | |
544 | int n; | |
545 | ||
546 | for(n = 0; n < cll->n; ++n) { | |
547 | cl = &cll->s[n]; | |
548 | xfree(cl->module); | |
549 | xfree(cl->encoding); | |
550 | xfree(cl->root); | |
551 | } | |
552 | xfree(cll->s); | |
553 | } | |
554 | ||
555 | static void free_namepartlist(struct config *c, | |
556 | const struct conf *whoami) { | |
557 | struct namepartlist *npl = ADDRESS(c, struct namepartlist); | |
558 | struct namepart *np; | |
559 | int n; | |
560 | ||
561 | for(n = 0; n < npl->n; ++n) { | |
562 | np = &npl->s[n]; | |
563 | xfree(np->part); | |
564 | pcre_free(np->re); /* ...whatever pcre_free is set to. */ | |
565 | xfree(np->replace); | |
566 | xfree(np->context); | |
567 | } | |
568 | xfree(npl->s); | |
569 | } | |
570 | ||
571 | static void free_transformlist(struct config *c, | |
572 | const struct conf *whoami) { | |
573 | struct transformlist *tl = ADDRESS(c, struct transformlist); | |
574 | struct transform *t; | |
575 | int n; | |
576 | ||
577 | for(n = 0; n < tl->n; ++n) { | |
578 | t = &tl->t[n]; | |
579 | xfree(t->type); | |
580 | pcre_free(t->re); /* ...whatever pcre_free is set to. */ | |
581 | xfree(t->replace); | |
582 | xfree(t->context); | |
583 | } | |
584 | xfree(tl->t); | |
585 | } | |
586 | ||
76e72f65 RK |
587 | static void free_netaddress(struct config *c, |
588 | const struct conf *whoami) { | |
589 | struct netaddress *na = ADDRESS(c, struct netaddress); | |
590 | ||
591 | xfree(na->address); | |
592 | } | |
593 | ||
460b9539 | 594 | /* configuration types */ |
595 | ||
596 | static const struct conftype | |
597 | type_signal = { set_signal, free_none }, | |
598 | type_collections = { set_collections, free_collectionlist }, | |
599 | type_boolean = { set_boolean, free_none }, | |
600 | type_string = { set_string, free_string }, | |
601 | type_stringlist = { set_stringlist, free_stringlist }, | |
602 | type_integer = { set_integer, free_none }, | |
603 | type_stringlist_accum = { set_stringlist_accum, free_stringlistlist }, | |
604 | type_string_accum = { set_string_accum, free_stringlist }, | |
9d5da576 | 605 | type_sample_format = { set_sample_format, free_none }, |
460b9539 | 606 | type_restrict = { set_restrict, free_none }, |
607 | type_namepart = { set_namepart, free_namepartlist }, | |
e83d0967 | 608 | type_transform = { set_transform, free_transformlist }, |
76e72f65 | 609 | type_netaddress = { set_netaddress, free_netaddress }, |
b50cfb8a | 610 | type_rights = { set_rights, free_none }; |
460b9539 | 611 | |
612 | /* specific validation routine */ | |
613 | ||
614 | #define VALIDATE_FILE(test, what) do { \ | |
615 | struct stat sb; \ | |
616 | int n; \ | |
617 | \ | |
618 | for(n = 0; n < nvec; ++n) { \ | |
619 | if(stat(vec[n], &sb) < 0) { \ | |
620 | error(errno, "%s:%d: %s", cs->path, cs->line, vec[n]); \ | |
621 | return -1; \ | |
622 | } \ | |
623 | if(!test(sb.st_mode)) { \ | |
624 | error(0, "%s:%d: %s is not a %s", \ | |
625 | cs->path, cs->line, vec[n], what); \ | |
626 | return -1; \ | |
627 | } \ | |
628 | } \ | |
629 | } while(0) | |
630 | ||
659d87e8 RK |
631 | static int validate_isabspath(const struct config_state *cs, |
632 | int nvec, char **vec) { | |
633 | int n; | |
634 | ||
635 | for(n = 0; n < nvec; ++n) | |
636 | if(vec[n][0] != '/') { | |
637 | error(errno, "%s:%d: %s: not an absolute path", | |
638 | cs->path, cs->line, vec[n]); | |
639 | return -1; | |
640 | } | |
641 | return 0; | |
642 | } | |
643 | ||
460b9539 | 644 | static int validate_isdir(const struct config_state *cs, |
645 | int nvec, char **vec) { | |
646 | VALIDATE_FILE(S_ISDIR, "directory"); | |
647 | return 0; | |
648 | } | |
649 | ||
650 | static int validate_isreg(const struct config_state *cs, | |
651 | int nvec, char **vec) { | |
652 | VALIDATE_FILE(S_ISREG, "regular file"); | |
653 | return 0; | |
654 | } | |
655 | ||
460b9539 | 656 | static int validate_player(const struct config_state *cs, |
657 | int nvec, | |
658 | char attribute((unused)) **vec) { | |
659 | if(nvec < 2) { | |
660 | error(0, "%s:%d: should be at least 'player PATTERN MODULE'", | |
661 | cs->path, cs->line); | |
662 | return -1; | |
663 | } | |
664 | return 0; | |
665 | } | |
666 | ||
62dc3748 RK |
667 | static int validate_tracklength(const struct config_state *cs, |
668 | int nvec, | |
669 | char attribute((unused)) **vec) { | |
670 | if(nvec < 2) { | |
671 | error(0, "%s:%d: should be at least 'tracklength PATTERN MODULE'", | |
672 | cs->path, cs->line); | |
673 | return -1; | |
674 | } | |
675 | return 0; | |
676 | } | |
677 | ||
460b9539 | 678 | static int validate_allow(const struct config_state *cs, |
679 | int nvec, | |
680 | char attribute((unused)) **vec) { | |
681 | if(nvec != 2) { | |
682 | error(0, "%s:%d: must be 'allow NAME PASS'", cs->path, cs->line); | |
683 | return -1; | |
684 | } | |
685 | return 0; | |
686 | } | |
687 | ||
688 | static int validate_non_negative(const struct config_state *cs, | |
689 | int nvec, char **vec) { | |
690 | long n; | |
691 | ||
692 | if(nvec < 1) { | |
693 | error(0, "%s:%d: missing argument", cs->path, cs->line); | |
694 | return -1; | |
695 | } | |
696 | if(nvec > 1) { | |
697 | error(0, "%s:%d: too many arguments", cs->path, cs->line); | |
698 | return -1; | |
699 | } | |
700 | if(xstrtol(&n, vec[0], 0, 0)) { | |
701 | error(0, "%s:%d: %s", cs->path, cs->line, strerror(errno)); | |
702 | return -1; | |
703 | } | |
704 | if(n < 0) { | |
705 | error(0, "%s:%d: must not be negative", cs->path, cs->line); | |
706 | return -1; | |
707 | } | |
708 | return 0; | |
709 | } | |
710 | ||
711 | static int validate_positive(const struct config_state *cs, | |
712 | int nvec, char **vec) { | |
713 | long n; | |
714 | ||
715 | if(nvec < 1) { | |
716 | error(0, "%s:%d: missing argument", cs->path, cs->line); | |
717 | return -1; | |
718 | } | |
719 | if(nvec > 1) { | |
720 | error(0, "%s:%d: too many arguments", cs->path, cs->line); | |
721 | return -1; | |
722 | } | |
723 | if(xstrtol(&n, vec[0], 0, 0)) { | |
724 | error(0, "%s:%d: %s", cs->path, cs->line, strerror(errno)); | |
725 | return -1; | |
726 | } | |
727 | if(n <= 0) { | |
728 | error(0, "%s:%d: must be positive", cs->path, cs->line); | |
729 | return -1; | |
730 | } | |
731 | return 0; | |
732 | } | |
733 | ||
734 | static int validate_isauser(const struct config_state *cs, | |
735 | int attribute((unused)) nvec, | |
736 | char **vec) { | |
737 | struct passwd *pw; | |
738 | ||
739 | if(!(pw = getpwnam(vec[0]))) { | |
740 | error(0, "%s:%d: no such user as '%s'", cs->path, cs->line, vec[0]); | |
741 | return -1; | |
742 | } | |
743 | return 0; | |
744 | } | |
745 | ||
9d5da576 | 746 | static int validate_sample_format(const struct config_state *cs, |
747 | int attribute((unused)) nvec, | |
748 | char **vec) { | |
749 | return parse_sample_format(cs, 0, nvec, vec); | |
750 | } | |
751 | ||
460b9539 | 752 | static int validate_any(const struct config_state attribute((unused)) *cs, |
753 | int attribute((unused)) nvec, | |
754 | char attribute((unused)) **vec) { | |
755 | return 0; | |
756 | } | |
757 | ||
758 | static int validate_url(const struct config_state attribute((unused)) *cs, | |
759 | int attribute((unused)) nvec, | |
760 | char **vec) { | |
761 | const char *s; | |
762 | int n; | |
763 | /* absoluteURI = scheme ":" ( hier_part | opaque_part ) | |
764 | scheme = alpha *( alpha | digit | "+" | "-" | "." ) */ | |
765 | s = vec[0]; | |
766 | n = strspn(s, ("abcdefghijklmnopqrstuvwxyz" | |
767 | "ABCDEFGHIJKLMNOPQRSTUVWXYZ" | |
768 | "0123456789")); | |
769 | if(s[n] != ':') { | |
770 | error(0, "%s:%d: invalid url '%s'", cs->path, cs->line, vec[0]); | |
771 | return -1; | |
772 | } | |
773 | if(!strncmp(s, "http:", 5) | |
774 | || !strncmp(s, "https:", 6)) { | |
775 | s += n + 1; | |
776 | /* we only do a rather cursory check */ | |
777 | if(strncmp(s, "//", 2)) { | |
778 | error(0, "%s:%d: invalid url '%s'", cs->path, cs->line, vec[0]); | |
779 | return -1; | |
780 | } | |
781 | } | |
782 | return 0; | |
783 | } | |
784 | ||
785 | static int validate_alias(const struct config_state *cs, | |
786 | int nvec, | |
787 | char **vec) { | |
788 | const char *s; | |
789 | int in_brackets = 0, c; | |
790 | ||
791 | if(nvec < 1) { | |
792 | error(0, "%s:%d: missing argument", cs->path, cs->line); | |
793 | return -1; | |
794 | } | |
795 | if(nvec > 1) { | |
796 | error(0, "%s:%d: too many arguments", cs->path, cs->line); | |
797 | return -1; | |
798 | } | |
799 | s = vec[0]; | |
800 | while((c = (unsigned char)*s++)) { | |
801 | if(in_brackets) { | |
802 | if(c == '}') | |
803 | in_brackets = 0; | |
804 | else if(!isalnum(c)) { | |
805 | error(0, "%s:%d: invalid part name in alias expansion in '%s'", | |
806 | cs->path, cs->line, vec[0]); | |
807 | return -1; | |
808 | } | |
809 | } else { | |
810 | if(c == '{') { | |
811 | in_brackets = 1; | |
812 | if(*s == '/') | |
813 | ++s; | |
814 | } else if(c == '\\') { | |
815 | if(!(c = (unsigned char)*s++)) { | |
816 | error(0, "%s:%d: unterminated escape in alias expansion in '%s'", | |
817 | cs->path, cs->line, vec[0]); | |
818 | return -1; | |
819 | } else if(c != '\\' && c != '{') { | |
820 | error(0, "%s:%d: invalid escape in alias expansion in '%s'", | |
821 | cs->path, cs->line, vec[0]); | |
822 | return -1; | |
823 | } | |
824 | } | |
825 | } | |
826 | ++s; | |
827 | } | |
828 | if(in_brackets) { | |
829 | error(0, "%s:%d: unterminated part name in alias expansion in '%s'", | |
830 | cs->path, cs->line, vec[0]); | |
831 | return -1; | |
832 | } | |
833 | return 0; | |
834 | } | |
835 | ||
e83d0967 RK |
836 | static int validate_addrport(const struct config_state attribute((unused)) *cs, |
837 | int nvec, | |
838 | char attribute((unused)) **vec) { | |
839 | switch(nvec) { | |
840 | case 0: | |
841 | error(0, "%s:%d: missing address", | |
842 | cs->path, cs->line); | |
843 | return -1; | |
844 | case 1: | |
845 | error(0, "%s:%d: missing port name/number", | |
846 | cs->path, cs->line); | |
847 | return -1; | |
848 | case 2: | |
849 | return 0; | |
850 | default: | |
851 | error(0, "%s:%d: expected ADDRESS PORT", | |
852 | cs->path, cs->line); | |
853 | return -1; | |
854 | } | |
855 | } | |
856 | ||
637fdea3 RK |
857 | static int validate_algo(const struct config_state attribute((unused)) *cs, |
858 | int nvec, | |
859 | char **vec) { | |
860 | if(nvec != 1) { | |
861 | error(0, "%s:%d: invalid algorithm specification", cs->path, cs->line); | |
862 | return -1; | |
863 | } | |
864 | if(!valid_authhash(vec[0])) { | |
865 | error(0, "%s:%d: unsuported algorithm '%s'", cs->path, cs->line, vec[0]); | |
866 | return -1; | |
867 | } | |
868 | return 0; | |
869 | } | |
870 | ||
b50cfb8a RK |
871 | static int validate_backend(const struct config_state attribute((unused)) *cs, |
872 | int nvec, | |
873 | char **vec) { | |
874 | int n; | |
875 | if(nvec != 1) { | |
876 | error(0, "%s:%d: invalid sound API specification", cs->path, cs->line); | |
877 | return -1; | |
878 | } | |
879 | if(!strcmp(vec[0], "network")) { | |
880 | error(0, "'api network' is deprecated; use 'api rtp'"); | |
881 | return 0; | |
882 | } | |
883 | if(config_uaudio_apis) { | |
884 | for(n = 0; config_uaudio_apis[n]; ++n) | |
885 | if(!strcmp(vec[0], config_uaudio_apis[n]->name)) | |
886 | return 0; | |
887 | error(0, "%s:%d: unrecognized sound API '%s'", cs->path, cs->line, vec[0]); | |
888 | return -1; | |
889 | } | |
890 | /* In non-server processes we have no idea what's valid */ | |
891 | return 0; | |
892 | } | |
893 | ||
f75ab9d3 RK |
894 | static int validate_pausemode(const struct config_state attribute((unused)) *cs, |
895 | int nvec, | |
896 | char **vec) { | |
897 | if(nvec == 1 && (!strcmp(vec[0], "silence") || !strcmp(vec[0], "suspend"))) | |
898 | return 0; | |
899 | error(0, "%s:%d: invalid pause mode", cs->path, cs->line); | |
900 | return -1; | |
901 | } | |
902 | ||
76e72f65 RK |
903 | static int validate_destaddr(const struct config_state attribute((unused)) *cs, |
904 | int nvec, | |
905 | char **vec) { | |
906 | struct netaddress na[1]; | |
907 | ||
908 | if(netaddress_parse(na, nvec, vec)) { | |
909 | error(0, "%s:%d: invalid network address", cs->path, cs->line); | |
910 | return -1; | |
911 | } | |
912 | if(!na->address) { | |
913 | error(0, "%s:%d: destination address required", cs->path, cs->line); | |
914 | return -1; | |
915 | } | |
916 | return 0; | |
917 | } | |
918 | ||
3f3bb97b | 919 | /** @brief Item name and and offset */ |
460b9539 | 920 | #define C(x) #x, offsetof(struct config, x) |
3f3bb97b | 921 | /** @brief Item name and and offset */ |
460b9539 | 922 | #define C2(x,y) #x, offsetof(struct config, y) |
923 | ||
3f3bb97b | 924 | /** @brief All configuration items */ |
460b9539 | 925 | static const struct conf conf[] = { |
926 | { C(alias), &type_string, validate_alias }, | |
927 | { C(allow), &type_stringlist_accum, validate_allow }, | |
b50cfb8a | 928 | { C(api), &type_string, validate_backend }, |
637fdea3 | 929 | { C(authorization_algorithm), &type_string, validate_algo }, |
76e72f65 RK |
930 | { C(broadcast), &type_netaddress, validate_destaddr }, |
931 | { C(broadcast_from), &type_netaddress, validate_any }, | |
bd8895a8 | 932 | { C(channel), &type_string, validate_any }, |
460b9539 | 933 | { C(checkpoint_kbyte), &type_integer, validate_non_negative }, |
934 | { C(checkpoint_min), &type_integer, validate_non_negative }, | |
935 | { C(collection), &type_collections, validate_any }, | |
e83d0967 | 936 | { C(connect), &type_stringlist, validate_addrport }, |
b12be54a RK |
937 | { C(cookie_login_lifetime), &type_integer, validate_positive }, |
938 | { C(cookie_key_lifetime), &type_integer, validate_positive }, | |
8818b7fc | 939 | { C(dbversion), &type_integer, validate_positive }, |
04e1fa7c | 940 | { C(default_rights), &type_rights, validate_any }, |
460b9539 | 941 | { C(device), &type_string, validate_any }, |
942 | { C(gap), &type_integer, validate_non_negative }, | |
943 | { C(history), &type_integer, validate_positive }, | |
659d87e8 | 944 | { C(home), &type_string, validate_isabspath }, |
80dc2c5f | 945 | { C(listen), &type_netaddress, validate_any }, |
460b9539 | 946 | { C(lock), &type_boolean, validate_any }, |
bb6ae3fb | 947 | { C(mail_sender), &type_string, validate_any }, |
bd8895a8 | 948 | { C(mixer), &type_string, validate_any }, |
61941295 | 949 | { C(multicast_loop), &type_boolean, validate_any }, |
23205f9c | 950 | { C(multicast_ttl), &type_integer, validate_non_negative }, |
460b9539 | 951 | { C(namepart), &type_namepart, validate_any }, |
05dcfac6 RK |
952 | { C(new_bias), &type_integer, validate_positive }, |
953 | { C(new_bias_age), &type_integer, validate_positive }, | |
d742bb47 | 954 | { C(new_max), &type_integer, validate_positive }, |
460b9539 | 955 | { C2(nice, nice_rescan), &type_integer, validate_non_negative }, |
956 | { C(nice_rescan), &type_integer, validate_non_negative }, | |
957 | { C(nice_server), &type_integer, validate_any }, | |
958 | { C(nice_speaker), &type_integer, validate_any }, | |
2a10b70b | 959 | { C(noticed_history), &type_integer, validate_positive }, |
460b9539 | 960 | { C(password), &type_string, validate_any }, |
f75ab9d3 | 961 | { C(pause_mode), &type_string, validate_pausemode }, |
460b9539 | 962 | { C(player), &type_stringlist_accum, validate_player }, |
963 | { C(plugins), &type_string_accum, validate_isdir }, | |
964 | { C(prefsync), &type_integer, validate_positive }, | |
459d4402 | 965 | { C(queue_pad), &type_integer, validate_positive }, |
cebe3127 | 966 | { C(replay_min), &type_integer, validate_non_negative }, |
460b9539 | 967 | { C(refresh), &type_integer, validate_positive }, |
6207d2f3 | 968 | { C(reminder_interval), &type_integer, validate_positive }, |
810b8083 | 969 | { C(remote_userman), &type_boolean, validate_any }, |
460b9539 | 970 | { C2(restrict, restrictions), &type_restrict, validate_any }, |
ba70caca | 971 | { C(rtp_delay_threshold), &type_integer, validate_positive }, |
9d5da576 | 972 | { C(sample_format), &type_sample_format, validate_sample_format }, |
460b9539 | 973 | { C(scratch), &type_string_accum, validate_isreg }, |
2eee4b0c | 974 | { C(sendmail), &type_string, validate_isabspath }, |
61507e3c | 975 | { C(short_display), &type_integer, validate_positive }, |
460b9539 | 976 | { C(signal), &type_signal, validate_any }, |
bb6ae3fb | 977 | { C(smtp_server), &type_string, validate_any }, |
5330d674 | 978 | { C(sox_generation), &type_integer, validate_non_negative }, |
b50cfb8a | 979 | { C2(speaker_backend, api), &type_string, validate_backend }, |
9d5da576 | 980 | { C(speaker_command), &type_string, validate_any }, |
460b9539 | 981 | { C(stopword), &type_string_accum, validate_any }, |
982 | { C(templates), &type_string_accum, validate_isdir }, | |
62dc3748 | 983 | { C(tracklength), &type_stringlist_accum, validate_tracklength }, |
460b9539 | 984 | { C(transform), &type_transform, validate_any }, |
985 | { C(trust), &type_string_accum, validate_any }, | |
986 | { C(url), &type_string, validate_url }, | |
987 | { C(user), &type_string, validate_isauser }, | |
988 | { C(username), &type_string, validate_any }, | |
989 | }; | |
990 | ||
3f3bb97b | 991 | /** @brief Find a configuration item's definition by key */ |
460b9539 | 992 | static const struct conf *find(const char *key) { |
993 | int n; | |
994 | ||
ba937f01 | 995 | if((n = TABLE_FIND(conf, name, key)) < 0) |
460b9539 | 996 | return 0; |
997 | return &conf[n]; | |
998 | } | |
999 | ||
3f3bb97b | 1000 | /** @brief Set a new configuration value */ |
460b9539 | 1001 | static int config_set(const struct config_state *cs, |
1002 | int nvec, char **vec) { | |
1003 | const struct conf *which; | |
1004 | ||
1005 | D(("config_set %s", vec[0])); | |
1006 | if(!(which = find(vec[0]))) { | |
1007 | error(0, "%s:%d: unknown configuration key '%s'", | |
1008 | cs->path, cs->line, vec[0]); | |
1009 | return -1; | |
1010 | } | |
1011 | return (which->validate(cs, nvec - 1, vec + 1) | |
1012 | || which->type->set(cs, which, nvec - 1, vec + 1)); | |
1013 | } | |
1014 | ||
e6a35d1c RK |
1015 | static int config_set_args(const struct config_state *cs, |
1016 | const char *which, ...) { | |
1017 | va_list ap; | |
1018 | struct vector v[1]; | |
1019 | char *s; | |
1020 | ||
1021 | vector_init(v); | |
1022 | vector_append(v, (char *)which); | |
1023 | va_start(ap, which); | |
1024 | while((s = va_arg(ap, char *))) | |
1025 | vector_append(v, s); | |
1026 | va_end(ap); | |
1027 | vector_terminate(v); | |
1028 | return config_set(cs, v->nvec, v->vec); | |
1029 | } | |
1030 | ||
0e4472a0 | 1031 | /** @brief Error callback used by config_include() */ |
460b9539 | 1032 | static void config_error(const char *msg, void *u) { |
1033 | const struct config_state *cs = u; | |
1034 | ||
1035 | error(0, "%s:%d: %s", cs->path, cs->line, msg); | |
1036 | } | |
1037 | ||
3f3bb97b | 1038 | /** @brief Include a file by name */ |
460b9539 | 1039 | static int config_include(struct config *c, const char *path) { |
1040 | FILE *fp; | |
1041 | char *buffer, *inputbuffer, **vec; | |
1042 | int n, ret = 0; | |
1043 | struct config_state cs; | |
1044 | ||
1045 | cs.path = path; | |
1046 | cs.line = 0; | |
1047 | cs.config = c; | |
1048 | D(("%s: reading configuration", path)); | |
1049 | if(!(fp = fopen(path, "r"))) { | |
1050 | error(errno, "error opening %s", path); | |
1051 | return -1; | |
1052 | } | |
1053 | while(!inputline(path, fp, &inputbuffer, '\n')) { | |
1054 | ++cs.line; | |
1055 | if(!(buffer = mb2utf8(inputbuffer))) { | |
1056 | error(errno, "%s:%d: cannot convert to UTF-8", cs.path, cs.line); | |
1057 | ret = -1; | |
1058 | xfree(inputbuffer); | |
1059 | continue; | |
1060 | } | |
1061 | xfree(inputbuffer); | |
1062 | if(!(vec = split(buffer, &n, SPLIT_COMMENTS|SPLIT_QUOTES, | |
1063 | config_error, &cs))) { | |
1064 | ret = -1; | |
1065 | xfree(buffer); | |
1066 | continue; | |
1067 | } | |
1068 | if(n) { | |
1069 | if(!strcmp(vec[0], "include")) { | |
1070 | if(n != 2) { | |
1071 | error(0, "%s:%d: must be 'include PATH'", cs.path, cs.line); | |
1072 | ret = -1; | |
1073 | } else | |
1074 | config_include(c, vec[1]); | |
1075 | } else | |
1076 | ret |= config_set(&cs, n, vec); | |
1077 | } | |
1078 | for(n = 0; vec[n]; ++n) xfree(vec[n]); | |
1079 | xfree(vec); | |
1080 | xfree(buffer); | |
1081 | } | |
1082 | if(ferror(fp)) { | |
1083 | error(errno, "error reading %s", path); | |
1084 | ret = -1; | |
1085 | } | |
1086 | fclose(fp); | |
1087 | return ret; | |
1088 | } | |
1089 | ||
86be0c30 | 1090 | static const char *const default_stopwords[] = { |
1091 | "stopword", | |
1092 | ||
1093 | "01", | |
1094 | "02", | |
1095 | "03", | |
1096 | "04", | |
1097 | "05", | |
1098 | "06", | |
1099 | "07", | |
1100 | "08", | |
1101 | "09", | |
1102 | "1", | |
1103 | "10", | |
1104 | "11", | |
1105 | "12", | |
1106 | "13", | |
1107 | "14", | |
1108 | "15", | |
1109 | "16", | |
1110 | "17", | |
1111 | "18", | |
1112 | "19", | |
1113 | "2", | |
1114 | "20", | |
1115 | "21", | |
1116 | "22", | |
1117 | "23", | |
1118 | "24", | |
1119 | "25", | |
1120 | "26", | |
1121 | "27", | |
1122 | "28", | |
1123 | "29", | |
1124 | "3", | |
1125 | "30", | |
1126 | "4", | |
1127 | "5", | |
1128 | "6", | |
1129 | "7", | |
1130 | "8", | |
1131 | "9", | |
1132 | "a", | |
1133 | "am", | |
1134 | "an", | |
1135 | "and", | |
1136 | "as", | |
1137 | "for", | |
1138 | "i", | |
1139 | "im", | |
1140 | "in", | |
1141 | "is", | |
1142 | "of", | |
1143 | "on", | |
1144 | "the", | |
1145 | "to", | |
1146 | "too", | |
1147 | "we", | |
1148 | }; | |
1149 | #define NDEFAULT_STOPWORDS (sizeof default_stopwords / sizeof *default_stopwords) | |
1150 | ||
e6a35d1c RK |
1151 | static const char *const default_players[] = { |
1152 | "*.ogg", | |
1153 | "*.flac", | |
1154 | "*.mp3", | |
1155 | "*.wav", | |
1156 | }; | |
1157 | #define NDEFAULT_PLAYERS (sizeof default_players / sizeof *default_players) | |
1158 | ||
3f3bb97b | 1159 | /** @brief Make a new default configuration */ |
460b9539 | 1160 | static struct config *config_default(void) { |
1161 | struct config *c = xmalloc(sizeof *c); | |
1162 | const char *logname; | |
1163 | struct passwd *pw; | |
86be0c30 | 1164 | struct config_state cs; |
e6a35d1c | 1165 | size_t n; |
460b9539 | 1166 | |
86be0c30 | 1167 | cs.path = "<internal>"; |
1168 | cs.line = 0; | |
1169 | cs.config = c; | |
460b9539 | 1170 | /* Strings had better be xstrdup'd as they will get freed at some point. */ |
07bc035e | 1171 | c->gap = 0; |
460b9539 | 1172 | c->history = 60; |
1173 | c->home = xstrdup(pkgstatedir); | |
1174 | if(!(pw = getpwuid(getuid()))) | |
1175 | fatal(0, "cannot determine our username"); | |
1176 | logname = pw->pw_name; | |
1177 | c->username = xstrdup(logname); | |
1178 | c->refresh = 15; | |
1179 | c->prefsync = 3600; | |
1180 | c->signal = SIGKILL; | |
1181 | c->alias = xstrdup("{/artist}{/album}{/title}{ext}"); | |
1182 | c->lock = 1; | |
1183 | c->device = xstrdup("default"); | |
1184 | c->nice_rescan = 10; | |
9d5da576 | 1185 | c->speaker_command = 0; |
1186 | c->sample_format.bits = 16; | |
1187 | c->sample_format.rate = 44100; | |
1188 | c->sample_format.channels = 2; | |
6d2d327c | 1189 | c->sample_format.endian = ENDIAN_NATIVE; |
459d4402 | 1190 | c->queue_pad = 10; |
cebe3127 | 1191 | c->replay_min = 8 * 3600; |
b50cfb8a | 1192 | c->api = NULL; |
23205f9c | 1193 | c->multicast_ttl = 1; |
61941295 | 1194 | c->multicast_loop = 1; |
637fdea3 | 1195 | c->authorization_algorithm = xstrdup("sha1"); |
2a10b70b | 1196 | c->noticed_history = 31; |
61507e3c | 1197 | c->short_display = 32; |
bd8895a8 | 1198 | c->mixer = 0; |
1199 | c->channel = 0; | |
8818b7fc | 1200 | c->dbversion = 2; |
b12be54a RK |
1201 | c->cookie_login_lifetime = 86400; |
1202 | c->cookie_key_lifetime = 86400 * 7; | |
2eee4b0c RK |
1203 | if(sendmail_binary[0] && strcmp(sendmail_binary, "none")) |
1204 | c->sendmail = xstrdup(sendmail_binary); | |
bb6ae3fb | 1205 | c->smtp_server = xstrdup("127.0.0.1"); |
d742bb47 | 1206 | c->new_max = 100; |
6207d2f3 | 1207 | c->reminder_interval = 600; /* 10m */ |
05dcfac6 | 1208 | c->new_bias_age = 7 * 86400; /* 1 week */ |
6151ae7e | 1209 | c->new_bias = 4500000; /* 50 times the base weight */ |
419893d7 | 1210 | c->sox_generation = DEFAULT_SOX_GENERATION; |
e6a35d1c | 1211 | /* Default stopwords */ |
86be0c30 | 1212 | if(config_set(&cs, (int)NDEFAULT_STOPWORDS, (char **)default_stopwords)) |
1213 | exit(1); | |
e6a35d1c RK |
1214 | /* Default player configuration */ |
1215 | for(n = 0; n < NDEFAULT_PLAYERS; ++n) { | |
1216 | if(config_set_args(&cs, "player", | |
1217 | default_players[n], "execraw", "disorder-decode", (char *)0)) | |
1218 | exit(1); | |
1219 | if(config_set_args(&cs, "tracklength", | |
1220 | default_players[n], "disorder-tracklength", (char *)0)) | |
1221 | exit(1); | |
1222 | } | |
76e72f65 RK |
1223 | c->broadcast.af = -1; |
1224 | c->broadcast_from.af = -1; | |
80dc2c5f | 1225 | c->listen.af = -1; |
460b9539 | 1226 | return c; |
1227 | } | |
1228 | ||
319d7107 | 1229 | char *config_get_file2(struct config *c, const char *name) { |
460b9539 | 1230 | char *s; |
1231 | ||
1232 | byte_xasprintf(&s, "%s/%s", c->home, name); | |
1233 | return s; | |
1234 | } | |
1235 | ||
3f3bb97b | 1236 | /** @brief Set the default configuration file */ |
460b9539 | 1237 | static void set_configfile(void) { |
1238 | if(!configfile) | |
1239 | byte_xasprintf(&configfile, "%s/config", pkgconfdir); | |
1240 | } | |
1241 | ||
3f3bb97b | 1242 | /** @brief Free a configuration object */ |
460b9539 | 1243 | static void config_free(struct config *c) { |
1244 | int n; | |
1245 | ||
1246 | if(c) { | |
1247 | for(n = 0; n < (int)(sizeof conf / sizeof *conf); ++n) | |
1248 | conf[n].type->free(c, &conf[n]); | |
1249 | for(n = 0; n < c->nparts; ++n) | |
1250 | xfree(c->parts[n]); | |
1251 | xfree(c->parts); | |
1252 | xfree(c); | |
1253 | } | |
1254 | } | |
1255 | ||
3f3bb97b | 1256 | /** @brief Set post-parse defaults */ |
c00fce3a RK |
1257 | static void config_postdefaults(struct config *c, |
1258 | int server) { | |
460b9539 | 1259 | struct config_state cs; |
1260 | const struct conf *whoami; | |
1261 | int n; | |
1262 | ||
1263 | static const char *namepart[][4] = { | |
bcf50f5c | 1264 | { "title", "/([0-9]+ *[-:]? *)?([^/]+)\\.[a-zA-Z0-9]+$", "$2", "display" }, |
460b9539 | 1265 | { "title", "/([^/]+)\\.[a-zA-Z0-9]+$", "$1", "sort" }, |
1266 | { "album", "/([^/]+)/[^/]+$", "$1", "*" }, | |
1267 | { "artist", "/([^/]+)/[^/]+/[^/]+$", "$1", "*" }, | |
1268 | { "ext", "(\\.[a-zA-Z0-9]+)$", "$1", "*" }, | |
1269 | }; | |
1270 | #define NNAMEPART (int)(sizeof namepart / sizeof *namepart) | |
1271 | ||
1272 | static const char *transform[][5] = { | |
bcf50f5c | 1273 | { "track", "^.*/([0-9]+ *[-:]? *)?([^/]+)\\.[a-zA-Z0-9]+$", "$2", "display", "" }, |
460b9539 | 1274 | { "track", "^.*/([^/]+)\\.[a-zA-Z0-9]+$", "$1", "sort", "" }, |
1275 | { "dir", "^.*/([^/]+)$", "$1", "*", "" }, | |
1276 | { "dir", "^(the) ([^/]*)", "$2, $1", "sort", "i", }, | |
1277 | { "dir", "[[:punct:]]", "", "sort", "g", } | |
1278 | }; | |
1279 | #define NTRANSFORM (int)(sizeof transform / sizeof *transform) | |
1280 | ||
1281 | cs.path = "<internal>"; | |
1282 | cs.line = 0; | |
1283 | cs.config = c; | |
1284 | if(!c->namepart.n) { | |
1285 | whoami = find("namepart"); | |
1286 | for(n = 0; n < NNAMEPART; ++n) | |
1287 | set_namepart(&cs, whoami, 4, (char **)namepart[n]); | |
1288 | } | |
1289 | if(!c->transform.n) { | |
1290 | whoami = find("transform"); | |
1291 | for(n = 0; n < NTRANSFORM; ++n) | |
1292 | set_transform(&cs, whoami, 5, (char **)transform[n]); | |
1293 | } | |
b50cfb8a | 1294 | if(!c->api) { |
e83d0967 | 1295 | if(c->speaker_command) |
b50cfb8a | 1296 | c->api = xstrdup("command"); |
76e72f65 | 1297 | else if(c->broadcast.af != -1) |
b50cfb8a RK |
1298 | c->api = xstrdup("rtp"); |
1299 | else if(config_uaudio_apis) | |
1300 | c->api = xstrdup(config_uaudio_apis[0]->name); | |
8aae240b | 1301 | else |
b50cfb8a | 1302 | c->api = xstrdup("<none>"); |
e83d0967 | 1303 | } |
b50cfb8a RK |
1304 | if(!strcmp(c->api, "network")) |
1305 | c->api = xstrdup("rtp"); | |
c00fce3a | 1306 | if(server) { |
b50cfb8a | 1307 | if(!strcmp(c->api, "command") && !c->speaker_command) |
bd8895a8 | 1308 | fatal(0, "'api command' but speaker_command is not set"); |
76e72f65 | 1309 | if((!strcmp(c->api, "rtp")) && c->broadcast.af == -1) |
b50cfb8a | 1310 | fatal(0, "'api rtp' but broadcast is not set"); |
c00fce3a | 1311 | } |
e99d42b1 | 1312 | /* Override sample format */ |
b50cfb8a | 1313 | if(!strcmp(c->api, "rtp")) { |
6d2d327c RK |
1314 | c->sample_format.rate = 44100; |
1315 | c->sample_format.channels = 2; | |
1316 | c->sample_format.bits = 16; | |
b50cfb8a RK |
1317 | c->sample_format.endian = ENDIAN_NATIVE; |
1318 | } | |
1319 | if(!strcmp(c->api, "coreaudio")) { | |
937be4c0 RK |
1320 | c->sample_format.rate = 44100; |
1321 | c->sample_format.channels = 2; | |
1322 | c->sample_format.bits = 16; | |
1323 | c->sample_format.endian = ENDIAN_NATIVE; | |
04e1fa7c RK |
1324 | } |
1325 | if(!c->default_rights) { | |
1326 | rights_type r = RIGHTS__MASK & ~(RIGHT_ADMIN|RIGHT_REGISTER | |
1327 | |RIGHT_MOVE__MASK | |
1328 | |RIGHT_SCRATCH__MASK | |
1329 | |RIGHT_REMOVE__MASK); | |
1330 | /* The idea is to approximate the meaning of the old 'restrict' directive | |
1331 | * in the default rights if they are not overridden. */ | |
1332 | if(c->restrictions & RESTRICT_SCRATCH) | |
1333 | r |= RIGHT_SCRATCH_MINE|RIGHT_SCRATCH_RANDOM; | |
1334 | else | |
1335 | r |= RIGHT_SCRATCH_ANY; | |
1336 | if(!(c->restrictions & RESTRICT_MOVE)) | |
1337 | r |= RIGHT_MOVE_ANY; | |
1338 | if(c->restrictions & RESTRICT_REMOVE) | |
1339 | r |= RIGHT_REMOVE_MINE; | |
1340 | else | |
1341 | r |= RIGHT_REMOVE_ANY; | |
0f55e905 | 1342 | c->default_rights = rights_string(r); |
04e1fa7c | 1343 | } |
460b9539 | 1344 | } |
1345 | ||
c00fce3a RK |
1346 | /** @brief (Re-)read the config file |
1347 | * @param server If set, do extra checking | |
1348 | */ | |
1349 | int config_read(int server) { | |
460b9539 | 1350 | struct config *c; |
1351 | char *privconf; | |
1352 | struct passwd *pw; | |
1353 | ||
1354 | set_configfile(); | |
1355 | c = config_default(); | |
9ade2319 | 1356 | /* standalone Disobedience installs might not have a global config file */ |
1357 | if(access(configfile, F_OK) == 0) | |
1358 | if(config_include(c, configfile)) | |
1359 | return -1; | |
460b9539 | 1360 | /* if we can read the private config file, do */ |
1361 | if((privconf = config_private()) | |
1362 | && access(privconf, R_OK) == 0 | |
1363 | && config_include(c, privconf)) | |
1364 | return -1; | |
1365 | xfree(privconf); | |
1366 | /* if there's a per-user system config file for this user, read it */ | |
63ad732f RK |
1367 | if(config_per_user) { |
1368 | if(!(pw = getpwuid(getuid()))) | |
1369 | fatal(0, "cannot determine our username"); | |
1370 | if((privconf = config_usersysconf(pw)) | |
1371 | && access(privconf, F_OK) == 0 | |
1372 | && config_include(c, privconf)) | |
460b9539 | 1373 | return -1; |
63ad732f RK |
1374 | xfree(privconf); |
1375 | /* if we have a password file, read it */ | |
5b14453f | 1376 | if((privconf = config_userconf(0, pw)) |
63ad732f RK |
1377 | && access(privconf, F_OK) == 0 |
1378 | && config_include(c, privconf)) | |
1379 | return -1; | |
1380 | xfree(privconf); | |
1381 | } | |
460b9539 | 1382 | /* install default namepart and transform settings */ |
c00fce3a | 1383 | config_postdefaults(c, server); |
460b9539 | 1384 | /* everything is good so we shall use the new config */ |
1385 | config_free(config); | |
04e1fa7c RK |
1386 | /* warn about obsolete directives */ |
1387 | if(c->restrictions) | |
1388 | error(0, "'restrict' will be removed in a future version"); | |
1389 | if(c->allow.n) | |
1390 | error(0, "'allow' will be removed in a future version"); | |
1391 | if(c->trust.n) | |
1392 | error(0, "'trust' will be removed in a future version"); | |
460b9539 | 1393 | config = c; |
1394 | return 0; | |
1395 | } | |
1396 | ||
3f3bb97b | 1397 | /** @brief Return the path to the private configuration file */ |
460b9539 | 1398 | char *config_private(void) { |
1399 | char *s; | |
1400 | ||
1401 | set_configfile(); | |
1402 | byte_xasprintf(&s, "%s.private", configfile); | |
1403 | return s; | |
1404 | } | |
1405 | ||
3f3bb97b | 1406 | /** @brief Return the path to user's personal configuration file */ |
460b9539 | 1407 | char *config_userconf(const char *home, const struct passwd *pw) { |
1408 | char *s; | |
1409 | ||
73f1b9f3 RK |
1410 | if(!home && !pw && !(pw = getpwuid(getuid()))) |
1411 | fatal(0, "cannot determine our username"); | |
460b9539 | 1412 | byte_xasprintf(&s, "%s/.disorder/passwd", home ? home : pw->pw_dir); |
1413 | return s; | |
1414 | } | |
1415 | ||
3f3bb97b RK |
1416 | /** @brief Return the path to user-specific system configuration */ |
1417 | char *config_usersysconf(const struct passwd *pw) { | |
460b9539 | 1418 | char *s; |
1419 | ||
1420 | set_configfile(); | |
1421 | if(!strchr(pw->pw_name, '/')) { | |
1422 | byte_xasprintf(&s, "%s.%s", configfile, pw->pw_name); | |
1423 | return s; | |
1424 | } else | |
1425 | return 0; | |
1426 | } | |
1427 | ||
1428 | char *config_get_file(const char *name) { | |
319d7107 | 1429 | return config_get_file2(config, name); |
460b9539 | 1430 | } |
1431 | ||
1432 | /* | |
1433 | Local Variables: | |
1434 | c-basic-offset:2 | |
1435 | comment-column:40 | |
1436 | fill-column:79 | |
1437 | End: | |
1438 | */ |