Commit | Line | Data |
---|---|---|
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 | ||
9417e1a3 RK |
112 | static int stringlist_compare(const struct stringlist *a, |
113 | const struct stringlist *b); | |
114 | static int namepartlist_compare(const struct namepartlist *a, | |
115 | const struct namepartlist *b); | |
116 | ||
460b9539 | 117 | static int set_signal(const struct config_state *cs, |
118 | const struct conf *whoami, | |
119 | int nvec, char **vec) { | |
120 | int n; | |
121 | ||
122 | if(nvec != 1) { | |
123 | error(0, "%s:%d: '%s' requires one argument", | |
124 | cs->path, cs->line, whoami->name); | |
125 | return -1; | |
126 | } | |
127 | if((n = find_signal(vec[0])) == -1) { | |
128 | error(0, "%s:%d: unknown signal '%s'", | |
129 | cs->path, cs->line, vec[0]); | |
130 | return -1; | |
131 | } | |
132 | VALUE(cs->config, int) = n; | |
133 | return 0; | |
134 | } | |
135 | ||
136 | static int set_collections(const struct config_state *cs, | |
137 | const struct conf *whoami, | |
138 | int nvec, char **vec) { | |
139 | struct collectionlist *cl; | |
01cef138 | 140 | const char *root, *encoding, *module; |
460b9539 | 141 | |
01cef138 RK |
142 | switch(nvec) { |
143 | case 1: | |
144 | module = 0; | |
145 | encoding = 0; | |
146 | root = vec[0]; | |
147 | break; | |
148 | case 2: | |
149 | module = vec[0]; | |
150 | encoding = 0; | |
151 | root = vec[1]; | |
152 | break; | |
153 | case 3: | |
154 | module = vec[0]; | |
155 | encoding = vec[1]; | |
156 | root = vec[2]; | |
157 | break; | |
158 | case 0: | |
159 | error(0, "%s:%d: '%s' requires at least one argument", | |
160 | cs->path, cs->line, whoami->name); | |
161 | return -1; | |
162 | default: | |
163 | error(0, "%s:%d: '%s' requires at most three arguments", | |
460b9539 | 164 | cs->path, cs->line, whoami->name); |
165 | return -1; | |
166 | } | |
01cef138 RK |
167 | /* Sanity check root */ |
168 | if(root[0] != '/') { | |
460b9539 | 169 | error(0, "%s:%d: collection root must start with '/'", |
170 | cs->path, cs->line); | |
171 | return -1; | |
172 | } | |
01cef138 | 173 | if(root[1] && root[strlen(root)-1] == '/') { |
460b9539 | 174 | error(0, "%s:%d: collection root must not end with '/'", |
175 | cs->path, cs->line); | |
176 | return -1; | |
177 | } | |
01cef138 RK |
178 | /* Defaults */ |
179 | if(!module) | |
180 | module = "fs"; | |
181 | if(!encoding) | |
182 | encoding = nl_langinfo(CODESET); | |
460b9539 | 183 | cl = ADDRESS(cs->config, struct collectionlist); |
184 | ++cl->n; | |
185 | cl->s = xrealloc(cl->s, cl->n * sizeof (struct collection)); | |
01cef138 RK |
186 | cl->s[cl->n - 1].module = xstrdup(module); |
187 | cl->s[cl->n - 1].encoding = xstrdup(encoding); | |
188 | cl->s[cl->n - 1].root = xstrdup(root); | |
460b9539 | 189 | return 0; |
190 | } | |
191 | ||
192 | static int set_boolean(const struct config_state *cs, | |
193 | const struct conf *whoami, | |
194 | int nvec, char **vec) { | |
195 | int state; | |
196 | ||
197 | if(nvec != 1) { | |
198 | error(0, "%s:%d: '%s' takes only one argument", | |
199 | cs->path, cs->line, whoami->name); | |
200 | return -1; | |
201 | } | |
202 | if(!strcmp(vec[0], "yes")) state = 1; | |
203 | else if(!strcmp(vec[0], "no")) state = 0; | |
204 | else { | |
205 | error(0, "%s:%d: argument to '%s' must be 'yes' or 'no'", | |
206 | cs->path, cs->line, whoami->name); | |
207 | return -1; | |
208 | } | |
209 | VALUE(cs->config, int) = state; | |
210 | return 0; | |
211 | } | |
212 | ||
213 | static int set_string(const struct config_state *cs, | |
214 | const struct conf *whoami, | |
215 | int nvec, char **vec) { | |
216 | if(nvec != 1) { | |
217 | error(0, "%s:%d: '%s' takes only one argument", | |
218 | cs->path, cs->line, whoami->name); | |
219 | return -1; | |
220 | } | |
221 | VALUE(cs->config, char *) = xstrdup(vec[0]); | |
222 | return 0; | |
223 | } | |
224 | ||
225 | static int set_stringlist(const struct config_state *cs, | |
226 | const struct conf *whoami, | |
227 | int nvec, char **vec) { | |
228 | int n; | |
229 | struct stringlist *sl; | |
230 | ||
231 | sl = ADDRESS(cs->config, struct stringlist); | |
232 | sl->n = 0; | |
233 | for(n = 0; n < nvec; ++n) { | |
234 | sl->n++; | |
235 | sl->s = xrealloc(sl->s, (sl->n * sizeof (char *))); | |
236 | sl->s[sl->n - 1] = xstrdup(vec[n]); | |
237 | } | |
238 | return 0; | |
239 | } | |
240 | ||
241 | static int set_integer(const struct config_state *cs, | |
242 | const struct conf *whoami, | |
243 | int nvec, char **vec) { | |
244 | char *e; | |
245 | ||
246 | if(nvec != 1) { | |
247 | error(0, "%s:%d: '%s' takes only one argument", | |
248 | cs->path, cs->line, whoami->name); | |
249 | return -1; | |
250 | } | |
251 | if(xstrtol(ADDRESS(cs->config, long), vec[0], &e, 0)) { | |
252 | error(errno, "%s:%d: converting integer", cs->path, cs->line); | |
253 | return -1; | |
254 | } | |
255 | if(*e) { | |
256 | error(0, "%s:%d: invalid integer syntax", cs->path, cs->line); | |
257 | return -1; | |
258 | } | |
259 | return 0; | |
260 | } | |
261 | ||
262 | static int set_stringlist_accum(const struct config_state *cs, | |
263 | const struct conf *whoami, | |
264 | int nvec, char **vec) { | |
265 | int n; | |
266 | struct stringlist *s; | |
267 | struct stringlistlist *sll; | |
268 | ||
269 | sll = ADDRESS(cs->config, struct stringlistlist); | |
40c30921 RK |
270 | if(nvec == 0) { |
271 | sll->n = 0; | |
272 | return 0; | |
273 | } | |
460b9539 | 274 | sll->n++; |
275 | sll->s = xrealloc(sll->s, (sll->n * sizeof (struct stringlist))); | |
276 | s = &sll->s[sll->n - 1]; | |
277 | s->n = nvec; | |
278 | s->s = xmalloc((nvec + 1) * sizeof (char *)); | |
279 | for(n = 0; n < nvec; ++n) | |
280 | s->s[n] = xstrdup(vec[n]); | |
281 | return 0; | |
282 | } | |
283 | ||
284 | static int set_string_accum(const struct config_state *cs, | |
285 | const struct conf *whoami, | |
286 | int nvec, char **vec) { | |
287 | int n; | |
288 | struct stringlist *sl; | |
289 | ||
290 | sl = ADDRESS(cs->config, struct stringlist); | |
40c30921 RK |
291 | if(nvec == 0) { |
292 | sl->n = 0; | |
293 | return 0; | |
294 | } | |
460b9539 | 295 | for(n = 0; n < nvec; ++n) { |
296 | sl->n++; | |
297 | sl->s = xrealloc(sl->s, (sl->n * sizeof (char *))); | |
298 | sl->s[sl->n - 1] = xstrdup(vec[n]); | |
299 | } | |
300 | return 0; | |
301 | } | |
302 | ||
303 | static int set_restrict(const struct config_state *cs, | |
304 | const struct conf *whoami, | |
305 | int nvec, char **vec) { | |
306 | unsigned r = 0; | |
307 | int n, i; | |
308 | ||
309 | static const struct restriction { | |
310 | const char *name; | |
311 | unsigned bit; | |
312 | } restrictions[] = { | |
313 | { "remove", RESTRICT_REMOVE }, | |
314 | { "scratch", RESTRICT_SCRATCH }, | |
315 | { "move", RESTRICT_MOVE }, | |
316 | }; | |
317 | ||
318 | for(n = 0; n < nvec; ++n) { | |
ba937f01 | 319 | if((i = TABLE_FIND(restrictions, name, vec[n])) < 0) { |
460b9539 | 320 | error(0, "%s:%d: invalid restriction '%s'", |
321 | cs->path, cs->line, vec[n]); | |
322 | return -1; | |
323 | } | |
324 | r |= restrictions[i].bit; | |
325 | } | |
326 | VALUE(cs->config, unsigned) = r; | |
327 | return 0; | |
328 | } | |
329 | ||
9d5da576 | 330 | static int parse_sample_format(const struct config_state *cs, |
6d2d327c | 331 | struct stream_header *format, |
9d5da576 | 332 | int nvec, char **vec) { |
333 | char *p = vec[0]; | |
334 | long t; | |
335 | ||
6d2d327c | 336 | if(nvec != 1) { |
9d5da576 | 337 | error(0, "%s:%d: wrong number of arguments", cs->path, cs->line); |
338 | return -1; | |
339 | } | |
6d2d327c | 340 | if(xstrtol(&t, p, &p, 0)) { |
9d5da576 | 341 | error(errno, "%s:%d: converting bits-per-sample", cs->path, cs->line); |
342 | return -1; | |
343 | } | |
6d2d327c | 344 | if(t != 8 && t != 16) { |
9d5da576 | 345 | error(0, "%s:%d: bad bite-per-sample (%ld)", cs->path, cs->line, t); |
346 | return -1; | |
347 | } | |
6d2d327c | 348 | if(format) format->bits = t; |
9d5da576 | 349 | switch (*p) { |
6d2d327c RK |
350 | case 'l': case 'L': t = ENDIAN_LITTLE; p++; break; |
351 | case 'b': case 'B': t = ENDIAN_BIG; p++; break; | |
352 | default: t = ENDIAN_NATIVE; break; | |
9d5da576 | 353 | } |
6d2d327c RK |
354 | if(format) format->endian = t; |
355 | if(*p != '/') { | |
9d5da576 | 356 | error(errno, "%s:%d: expected `/' after bits-per-sample", |
357 | cs->path, cs->line); | |
358 | return -1; | |
359 | } | |
360 | p++; | |
6d2d327c | 361 | if(xstrtol(&t, p, &p, 0)) { |
9d5da576 | 362 | error(errno, "%s:%d: converting sample-rate", cs->path, cs->line); |
363 | return -1; | |
364 | } | |
6d2d327c | 365 | if(t < 1 || t > INT_MAX) { |
9d5da576 | 366 | error(0, "%s:%d: silly sample-rate (%ld)", cs->path, cs->line, t); |
367 | return -1; | |
368 | } | |
6d2d327c RK |
369 | if(format) format->rate = t; |
370 | if(*p != '/') { | |
9d5da576 | 371 | error(0, "%s:%d: expected `/' after sample-rate", |
372 | cs->path, cs->line); | |
373 | return -1; | |
374 | } | |
375 | p++; | |
6d2d327c | 376 | if(xstrtol(&t, p, &p, 0)) { |
9d5da576 | 377 | error(errno, "%s:%d: converting channels", cs->path, cs->line); |
378 | return -1; | |
379 | } | |
6d2d327c | 380 | if(t < 1 || t > 8) { |
9d5da576 | 381 | error(0, "%s:%d: silly number (%ld) of channels", cs->path, cs->line, t); |
382 | return -1; | |
383 | } | |
6d2d327c RK |
384 | if(format) format->channels = t; |
385 | if(*p) { | |
9d5da576 | 386 | error(0, "%s:%d: junk after channels", cs->path, cs->line); |
387 | return -1; | |
388 | } | |
389 | return 0; | |
390 | } | |
391 | ||
392 | static int set_sample_format(const struct config_state *cs, | |
393 | const struct conf *whoami, | |
394 | int nvec, char **vec) { | |
6d2d327c | 395 | return parse_sample_format(cs, ADDRESS(cs->config, struct stream_header), |
9d5da576 | 396 | nvec, vec); |
397 | } | |
398 | ||
460b9539 | 399 | static int set_namepart(const struct config_state *cs, |
400 | const struct conf *whoami, | |
401 | int nvec, char **vec) { | |
402 | struct namepartlist *npl = ADDRESS(cs->config, struct namepartlist); | |
403 | unsigned reflags; | |
404 | const char *errstr; | |
405 | int erroffset, n; | |
406 | pcre *re; | |
407 | ||
408 | if(nvec < 3) { | |
409 | error(0, "%s:%d: namepart needs at least 3 arguments", cs->path, cs->line); | |
410 | return -1; | |
411 | } | |
412 | if(nvec > 5) { | |
413 | error(0, "%s:%d: namepart needs at most 5 arguments", cs->path, cs->line); | |
414 | return -1; | |
415 | } | |
416 | reflags = nvec >= 5 ? regsub_flags(vec[4]) : 0; | |
417 | if(!(re = pcre_compile(vec[1], | |
418 | PCRE_UTF8 | |
419 | |regsub_compile_options(reflags), | |
420 | &errstr, &erroffset, 0))) { | |
421 | error(0, "%s:%d: error compiling regexp /%s/: %s (offset %d)", | |
422 | cs->path, cs->line, vec[1], errstr, erroffset); | |
423 | return -1; | |
424 | } | |
425 | npl->s = xrealloc(npl->s, (npl->n + 1) * sizeof (struct namepart)); | |
426 | npl->s[npl->n].part = xstrdup(vec[0]); | |
427 | npl->s[npl->n].re = re; | |
9417e1a3 | 428 | npl->s[npl->n].res = xstrdup(vec[1]); |
460b9539 | 429 | npl->s[npl->n].replace = xstrdup(vec[2]); |
430 | npl->s[npl->n].context = xstrdup(vec[3]); | |
431 | npl->s[npl->n].reflags = reflags; | |
432 | ++npl->n; | |
433 | /* XXX a bit of a bodge; relies on there being very few parts. */ | |
434 | for(n = 0; (n < cs->config->nparts | |
435 | && strcmp(cs->config->parts[n], vec[0])); ++n) | |
436 | ; | |
437 | if(n >= cs->config->nparts) { | |
438 | cs->config->parts = xrealloc(cs->config->parts, | |
439 | (cs->config->nparts + 1) * sizeof (char *)); | |
440 | cs->config->parts[cs->config->nparts++] = xstrdup(vec[0]); | |
441 | } | |
442 | return 0; | |
443 | } | |
444 | ||
445 | static int set_transform(const struct config_state *cs, | |
446 | const struct conf *whoami, | |
447 | int nvec, char **vec) { | |
448 | struct transformlist *tl = ADDRESS(cs->config, struct transformlist); | |
449 | pcre *re; | |
450 | unsigned reflags; | |
451 | const char *errstr; | |
452 | int erroffset; | |
453 | ||
454 | if(nvec < 3) { | |
455 | error(0, "%s:%d: transform needs at least 3 arguments", cs->path, cs->line); | |
456 | return -1; | |
457 | } | |
458 | if(nvec > 5) { | |
459 | error(0, "%s:%d: transform needs at most 5 arguments", cs->path, cs->line); | |
460 | return -1; | |
461 | } | |
462 | reflags = (nvec >= 5 ? regsub_flags(vec[4]) : 0); | |
463 | if(!(re = pcre_compile(vec[1], | |
464 | PCRE_UTF8 | |
465 | |regsub_compile_options(reflags), | |
466 | &errstr, &erroffset, 0))) { | |
467 | error(0, "%s:%d: error compiling regexp /%s/: %s (offset %d)", | |
468 | cs->path, cs->line, vec[1], errstr, erroffset); | |
469 | return -1; | |
470 | } | |
471 | tl->t = xrealloc(tl->t, (tl->n + 1) * sizeof (struct namepart)); | |
472 | tl->t[tl->n].type = xstrdup(vec[0]); | |
473 | tl->t[tl->n].context = xstrdup(vec[3] ? vec[3] : "*"); | |
474 | tl->t[tl->n].re = re; | |
475 | tl->t[tl->n].replace = xstrdup(vec[2]); | |
476 | tl->t[tl->n].flags = reflags; | |
477 | ++tl->n; | |
478 | return 0; | |
479 | } | |
480 | ||
04e1fa7c RK |
481 | static int set_rights(const struct config_state *cs, |
482 | const struct conf *whoami, | |
483 | int nvec, char **vec) { | |
04e1fa7c RK |
484 | if(nvec != 1) { |
485 | error(0, "%s:%d: '%s' requires one argument", | |
486 | cs->path, cs->line, whoami->name); | |
487 | return -1; | |
488 | } | |
0f55e905 | 489 | if(parse_rights(vec[0], 0, 1)) { |
04e1fa7c RK |
490 | error(0, "%s:%d: invalid rights string '%s'", |
491 | cs->path, cs->line, vec[0]); | |
492 | return -1; | |
493 | } | |
0f55e905 | 494 | *ADDRESS(cs->config, char *) = vec[0]; |
04e1fa7c RK |
495 | return 0; |
496 | } | |
497 | ||
76e72f65 RK |
498 | static int set_netaddress(const struct config_state *cs, |
499 | const struct conf *whoami, | |
500 | int nvec, char **vec) { | |
501 | struct netaddress *na = ADDRESS(cs->config, struct netaddress); | |
502 | ||
503 | if(netaddress_parse(na, nvec, vec)) { | |
504 | error(0, "%s:%d: invalid network address", cs->path, cs->line); | |
505 | return -1; | |
506 | } | |
507 | return 0; | |
508 | } | |
509 | ||
460b9539 | 510 | /* free functions */ |
511 | ||
512 | static void free_none(struct config attribute((unused)) *c, | |
513 | const struct conf attribute((unused)) *whoami) { | |
514 | } | |
515 | ||
516 | static void free_string(struct config *c, | |
517 | const struct conf *whoami) { | |
518 | xfree(VALUE(c, char *)); | |
f183d30b | 519 | VALUE(c, char *) = 0; |
460b9539 | 520 | } |
521 | ||
522 | static void free_stringlist(struct config *c, | |
523 | const struct conf *whoami) { | |
524 | int n; | |
525 | struct stringlist *sl = ADDRESS(c, struct stringlist); | |
526 | ||
527 | for(n = 0; n < sl->n; ++n) | |
528 | xfree(sl->s[n]); | |
529 | xfree(sl->s); | |
530 | } | |
531 | ||
532 | static void free_stringlistlist(struct config *c, | |
533 | const struct conf *whoami) { | |
534 | int n, m; | |
535 | struct stringlistlist *sll = ADDRESS(c, struct stringlistlist); | |
536 | struct stringlist *sl; | |
537 | ||
538 | for(n = 0; n < sll->n; ++n) { | |
539 | sl = &sll->s[n]; | |
540 | for(m = 0; m < sl->n; ++m) | |
541 | xfree(sl->s[m]); | |
542 | xfree(sl->s); | |
543 | } | |
544 | xfree(sll->s); | |
545 | } | |
546 | ||
547 | static void free_collectionlist(struct config *c, | |
548 | const struct conf *whoami) { | |
549 | struct collectionlist *cll = ADDRESS(c, struct collectionlist); | |
550 | struct collection *cl; | |
551 | int n; | |
552 | ||
553 | for(n = 0; n < cll->n; ++n) { | |
554 | cl = &cll->s[n]; | |
555 | xfree(cl->module); | |
556 | xfree(cl->encoding); | |
557 | xfree(cl->root); | |
558 | } | |
559 | xfree(cll->s); | |
560 | } | |
561 | ||
562 | static void free_namepartlist(struct config *c, | |
563 | const struct conf *whoami) { | |
564 | struct namepartlist *npl = ADDRESS(c, struct namepartlist); | |
565 | struct namepart *np; | |
566 | int n; | |
567 | ||
568 | for(n = 0; n < npl->n; ++n) { | |
569 | np = &npl->s[n]; | |
570 | xfree(np->part); | |
571 | pcre_free(np->re); /* ...whatever pcre_free is set to. */ | |
9417e1a3 | 572 | xfree(np->res); |
460b9539 | 573 | xfree(np->replace); |
574 | xfree(np->context); | |
575 | } | |
576 | xfree(npl->s); | |
577 | } | |
578 | ||
579 | static void free_transformlist(struct config *c, | |
580 | const struct conf *whoami) { | |
581 | struct transformlist *tl = ADDRESS(c, struct transformlist); | |
582 | struct transform *t; | |
583 | int n; | |
584 | ||
585 | for(n = 0; n < tl->n; ++n) { | |
586 | t = &tl->t[n]; | |
587 | xfree(t->type); | |
588 | pcre_free(t->re); /* ...whatever pcre_free is set to. */ | |
589 | xfree(t->replace); | |
590 | xfree(t->context); | |
591 | } | |
592 | xfree(tl->t); | |
593 | } | |
594 | ||
76e72f65 RK |
595 | static void free_netaddress(struct config *c, |
596 | const struct conf *whoami) { | |
597 | struct netaddress *na = ADDRESS(c, struct netaddress); | |
598 | ||
599 | xfree(na->address); | |
600 | } | |
601 | ||
460b9539 | 602 | /* configuration types */ |
603 | ||
604 | static const struct conftype | |
605 | type_signal = { set_signal, free_none }, | |
606 | type_collections = { set_collections, free_collectionlist }, | |
607 | type_boolean = { set_boolean, free_none }, | |
608 | type_string = { set_string, free_string }, | |
609 | type_stringlist = { set_stringlist, free_stringlist }, | |
610 | type_integer = { set_integer, free_none }, | |
611 | type_stringlist_accum = { set_stringlist_accum, free_stringlistlist }, | |
612 | type_string_accum = { set_string_accum, free_stringlist }, | |
9d5da576 | 613 | type_sample_format = { set_sample_format, free_none }, |
460b9539 | 614 | type_restrict = { set_restrict, free_none }, |
615 | type_namepart = { set_namepart, free_namepartlist }, | |
e83d0967 | 616 | type_transform = { set_transform, free_transformlist }, |
76e72f65 | 617 | type_netaddress = { set_netaddress, free_netaddress }, |
b50cfb8a | 618 | type_rights = { set_rights, free_none }; |
460b9539 | 619 | |
620 | /* specific validation routine */ | |
621 | ||
622 | #define VALIDATE_FILE(test, what) do { \ | |
623 | struct stat sb; \ | |
624 | int n; \ | |
625 | \ | |
626 | for(n = 0; n < nvec; ++n) { \ | |
627 | if(stat(vec[n], &sb) < 0) { \ | |
628 | error(errno, "%s:%d: %s", cs->path, cs->line, vec[n]); \ | |
629 | return -1; \ | |
630 | } \ | |
631 | if(!test(sb.st_mode)) { \ | |
632 | error(0, "%s:%d: %s is not a %s", \ | |
633 | cs->path, cs->line, vec[n], what); \ | |
634 | return -1; \ | |
635 | } \ | |
636 | } \ | |
637 | } while(0) | |
638 | ||
659d87e8 RK |
639 | static int validate_isabspath(const struct config_state *cs, |
640 | int nvec, char **vec) { | |
641 | int n; | |
642 | ||
643 | for(n = 0; n < nvec; ++n) | |
644 | if(vec[n][0] != '/') { | |
645 | error(errno, "%s:%d: %s: not an absolute path", | |
646 | cs->path, cs->line, vec[n]); | |
647 | return -1; | |
648 | } | |
649 | return 0; | |
650 | } | |
651 | ||
460b9539 | 652 | static int validate_isdir(const struct config_state *cs, |
653 | int nvec, char **vec) { | |
654 | VALIDATE_FILE(S_ISDIR, "directory"); | |
655 | return 0; | |
656 | } | |
657 | ||
658 | static int validate_isreg(const struct config_state *cs, | |
659 | int nvec, char **vec) { | |
660 | VALIDATE_FILE(S_ISREG, "regular file"); | |
661 | return 0; | |
662 | } | |
663 | ||
460b9539 | 664 | static int validate_player(const struct config_state *cs, |
665 | int nvec, | |
666 | char attribute((unused)) **vec) { | |
667 | if(nvec < 2) { | |
668 | error(0, "%s:%d: should be at least 'player PATTERN MODULE'", | |
669 | cs->path, cs->line); | |
670 | return -1; | |
671 | } | |
672 | return 0; | |
673 | } | |
674 | ||
62dc3748 RK |
675 | static int validate_tracklength(const struct config_state *cs, |
676 | int nvec, | |
677 | char attribute((unused)) **vec) { | |
678 | if(nvec < 2) { | |
679 | error(0, "%s:%d: should be at least 'tracklength PATTERN MODULE'", | |
680 | cs->path, cs->line); | |
681 | return -1; | |
682 | } | |
683 | return 0; | |
684 | } | |
685 | ||
460b9539 | 686 | static int validate_allow(const struct config_state *cs, |
687 | int nvec, | |
688 | char attribute((unused)) **vec) { | |
689 | if(nvec != 2) { | |
690 | error(0, "%s:%d: must be 'allow NAME PASS'", cs->path, cs->line); | |
691 | return -1; | |
692 | } | |
693 | return 0; | |
694 | } | |
695 | ||
696 | static int validate_non_negative(const struct config_state *cs, | |
697 | int nvec, char **vec) { | |
698 | long n; | |
699 | ||
700 | if(nvec < 1) { | |
701 | error(0, "%s:%d: missing argument", cs->path, cs->line); | |
702 | return -1; | |
703 | } | |
704 | if(nvec > 1) { | |
705 | error(0, "%s:%d: too many arguments", cs->path, cs->line); | |
706 | return -1; | |
707 | } | |
708 | if(xstrtol(&n, vec[0], 0, 0)) { | |
709 | error(0, "%s:%d: %s", cs->path, cs->line, strerror(errno)); | |
710 | return -1; | |
711 | } | |
712 | if(n < 0) { | |
713 | error(0, "%s:%d: must not be negative", cs->path, cs->line); | |
714 | return -1; | |
715 | } | |
716 | return 0; | |
717 | } | |
718 | ||
719 | static int validate_positive(const struct config_state *cs, | |
720 | int nvec, char **vec) { | |
721 | long n; | |
722 | ||
723 | if(nvec < 1) { | |
724 | error(0, "%s:%d: missing argument", cs->path, cs->line); | |
725 | return -1; | |
726 | } | |
727 | if(nvec > 1) { | |
728 | error(0, "%s:%d: too many arguments", cs->path, cs->line); | |
729 | return -1; | |
730 | } | |
731 | if(xstrtol(&n, vec[0], 0, 0)) { | |
732 | error(0, "%s:%d: %s", cs->path, cs->line, strerror(errno)); | |
733 | return -1; | |
734 | } | |
735 | if(n <= 0) { | |
736 | error(0, "%s:%d: must be positive", cs->path, cs->line); | |
737 | return -1; | |
738 | } | |
739 | return 0; | |
740 | } | |
741 | ||
742 | static int validate_isauser(const struct config_state *cs, | |
743 | int attribute((unused)) nvec, | |
744 | char **vec) { | |
745 | struct passwd *pw; | |
746 | ||
747 | if(!(pw = getpwnam(vec[0]))) { | |
748 | error(0, "%s:%d: no such user as '%s'", cs->path, cs->line, vec[0]); | |
749 | return -1; | |
750 | } | |
751 | return 0; | |
752 | } | |
753 | ||
9d5da576 | 754 | static int validate_sample_format(const struct config_state *cs, |
755 | int attribute((unused)) nvec, | |
756 | char **vec) { | |
757 | return parse_sample_format(cs, 0, nvec, vec); | |
758 | } | |
759 | ||
460b9539 | 760 | static int validate_any(const struct config_state attribute((unused)) *cs, |
761 | int attribute((unused)) nvec, | |
762 | char attribute((unused)) **vec) { | |
763 | return 0; | |
764 | } | |
765 | ||
766 | static int validate_url(const struct config_state attribute((unused)) *cs, | |
767 | int attribute((unused)) nvec, | |
768 | char **vec) { | |
769 | const char *s; | |
770 | int n; | |
771 | /* absoluteURI = scheme ":" ( hier_part | opaque_part ) | |
772 | scheme = alpha *( alpha | digit | "+" | "-" | "." ) */ | |
773 | s = vec[0]; | |
774 | n = strspn(s, ("abcdefghijklmnopqrstuvwxyz" | |
775 | "ABCDEFGHIJKLMNOPQRSTUVWXYZ" | |
776 | "0123456789")); | |
777 | if(s[n] != ':') { | |
778 | error(0, "%s:%d: invalid url '%s'", cs->path, cs->line, vec[0]); | |
779 | return -1; | |
780 | } | |
781 | if(!strncmp(s, "http:", 5) | |
782 | || !strncmp(s, "https:", 6)) { | |
783 | s += n + 1; | |
784 | /* we only do a rather cursory check */ | |
785 | if(strncmp(s, "//", 2)) { | |
786 | error(0, "%s:%d: invalid url '%s'", cs->path, cs->line, vec[0]); | |
787 | return -1; | |
788 | } | |
789 | } | |
790 | return 0; | |
791 | } | |
792 | ||
793 | static int validate_alias(const struct config_state *cs, | |
794 | int nvec, | |
795 | char **vec) { | |
796 | const char *s; | |
797 | int in_brackets = 0, c; | |
798 | ||
799 | if(nvec < 1) { | |
800 | error(0, "%s:%d: missing argument", cs->path, cs->line); | |
801 | return -1; | |
802 | } | |
803 | if(nvec > 1) { | |
804 | error(0, "%s:%d: too many arguments", cs->path, cs->line); | |
805 | return -1; | |
806 | } | |
807 | s = vec[0]; | |
808 | while((c = (unsigned char)*s++)) { | |
809 | if(in_brackets) { | |
810 | if(c == '}') | |
811 | in_brackets = 0; | |
812 | else if(!isalnum(c)) { | |
813 | error(0, "%s:%d: invalid part name in alias expansion in '%s'", | |
814 | cs->path, cs->line, vec[0]); | |
815 | return -1; | |
816 | } | |
817 | } else { | |
818 | if(c == '{') { | |
819 | in_brackets = 1; | |
820 | if(*s == '/') | |
821 | ++s; | |
822 | } else if(c == '\\') { | |
823 | if(!(c = (unsigned char)*s++)) { | |
824 | error(0, "%s:%d: unterminated escape in alias expansion in '%s'", | |
825 | cs->path, cs->line, vec[0]); | |
826 | return -1; | |
827 | } else if(c != '\\' && c != '{') { | |
828 | error(0, "%s:%d: invalid escape in alias expansion in '%s'", | |
829 | cs->path, cs->line, vec[0]); | |
830 | return -1; | |
831 | } | |
832 | } | |
833 | } | |
834 | ++s; | |
835 | } | |
836 | if(in_brackets) { | |
837 | error(0, "%s:%d: unterminated part name in alias expansion in '%s'", | |
838 | cs->path, cs->line, vec[0]); | |
839 | return -1; | |
840 | } | |
841 | return 0; | |
842 | } | |
843 | ||
637fdea3 RK |
844 | static int validate_algo(const struct config_state attribute((unused)) *cs, |
845 | int nvec, | |
846 | char **vec) { | |
847 | if(nvec != 1) { | |
848 | error(0, "%s:%d: invalid algorithm specification", cs->path, cs->line); | |
849 | return -1; | |
850 | } | |
851 | if(!valid_authhash(vec[0])) { | |
852 | error(0, "%s:%d: unsuported algorithm '%s'", cs->path, cs->line, vec[0]); | |
853 | return -1; | |
854 | } | |
855 | return 0; | |
856 | } | |
857 | ||
b50cfb8a RK |
858 | static int validate_backend(const struct config_state attribute((unused)) *cs, |
859 | int nvec, | |
860 | char **vec) { | |
861 | int n; | |
862 | if(nvec != 1) { | |
863 | error(0, "%s:%d: invalid sound API specification", cs->path, cs->line); | |
864 | return -1; | |
865 | } | |
866 | if(!strcmp(vec[0], "network")) { | |
867 | error(0, "'api network' is deprecated; use 'api rtp'"); | |
868 | return 0; | |
869 | } | |
870 | if(config_uaudio_apis) { | |
871 | for(n = 0; config_uaudio_apis[n]; ++n) | |
872 | if(!strcmp(vec[0], config_uaudio_apis[n]->name)) | |
873 | return 0; | |
874 | error(0, "%s:%d: unrecognized sound API '%s'", cs->path, cs->line, vec[0]); | |
875 | return -1; | |
876 | } | |
877 | /* In non-server processes we have no idea what's valid */ | |
878 | return 0; | |
879 | } | |
880 | ||
f75ab9d3 RK |
881 | static int validate_pausemode(const struct config_state attribute((unused)) *cs, |
882 | int nvec, | |
883 | char **vec) { | |
884 | if(nvec == 1 && (!strcmp(vec[0], "silence") || !strcmp(vec[0], "suspend"))) | |
885 | return 0; | |
886 | error(0, "%s:%d: invalid pause mode", cs->path, cs->line); | |
887 | return -1; | |
888 | } | |
889 | ||
76e72f65 RK |
890 | static int validate_destaddr(const struct config_state attribute((unused)) *cs, |
891 | int nvec, | |
892 | char **vec) { | |
893 | struct netaddress na[1]; | |
894 | ||
895 | if(netaddress_parse(na, nvec, vec)) { | |
896 | error(0, "%s:%d: invalid network address", cs->path, cs->line); | |
897 | return -1; | |
898 | } | |
899 | if(!na->address) { | |
900 | error(0, "%s:%d: destination address required", cs->path, cs->line); | |
901 | return -1; | |
902 | } | |
903 | return 0; | |
904 | } | |
905 | ||
3f3bb97b | 906 | /** @brief Item name and and offset */ |
460b9539 | 907 | #define C(x) #x, offsetof(struct config, x) |
3f3bb97b | 908 | /** @brief Item name and and offset */ |
460b9539 | 909 | #define C2(x,y) #x, offsetof(struct config, y) |
910 | ||
3f3bb97b | 911 | /** @brief All configuration items */ |
460b9539 | 912 | static const struct conf conf[] = { |
913 | { C(alias), &type_string, validate_alias }, | |
914 | { C(allow), &type_stringlist_accum, validate_allow }, | |
b50cfb8a | 915 | { C(api), &type_string, validate_backend }, |
637fdea3 | 916 | { C(authorization_algorithm), &type_string, validate_algo }, |
76e72f65 RK |
917 | { C(broadcast), &type_netaddress, validate_destaddr }, |
918 | { C(broadcast_from), &type_netaddress, validate_any }, | |
bd8895a8 | 919 | { C(channel), &type_string, validate_any }, |
460b9539 | 920 | { C(checkpoint_kbyte), &type_integer, validate_non_negative }, |
921 | { C(checkpoint_min), &type_integer, validate_non_negative }, | |
922 | { C(collection), &type_collections, validate_any }, | |
e41a9999 | 923 | { C(connect), &type_netaddress, validate_destaddr }, |
b12be54a RK |
924 | { C(cookie_login_lifetime), &type_integer, validate_positive }, |
925 | { C(cookie_key_lifetime), &type_integer, validate_positive }, | |
8818b7fc | 926 | { C(dbversion), &type_integer, validate_positive }, |
04e1fa7c | 927 | { C(default_rights), &type_rights, validate_any }, |
460b9539 | 928 | { C(device), &type_string, validate_any }, |
929 | { C(gap), &type_integer, validate_non_negative }, | |
930 | { C(history), &type_integer, validate_positive }, | |
659d87e8 | 931 | { C(home), &type_string, validate_isabspath }, |
80dc2c5f | 932 | { C(listen), &type_netaddress, validate_any }, |
460b9539 | 933 | { C(lock), &type_boolean, validate_any }, |
bb6ae3fb | 934 | { C(mail_sender), &type_string, validate_any }, |
bd8895a8 | 935 | { C(mixer), &type_string, validate_any }, |
61941295 | 936 | { C(multicast_loop), &type_boolean, validate_any }, |
23205f9c | 937 | { C(multicast_ttl), &type_integer, validate_non_negative }, |
460b9539 | 938 | { C(namepart), &type_namepart, validate_any }, |
05dcfac6 RK |
939 | { C(new_bias), &type_integer, validate_positive }, |
940 | { C(new_bias_age), &type_integer, validate_positive }, | |
d742bb47 | 941 | { C(new_max), &type_integer, validate_positive }, |
460b9539 | 942 | { C2(nice, nice_rescan), &type_integer, validate_non_negative }, |
943 | { C(nice_rescan), &type_integer, validate_non_negative }, | |
944 | { C(nice_server), &type_integer, validate_any }, | |
945 | { C(nice_speaker), &type_integer, validate_any }, | |
2a10b70b | 946 | { C(noticed_history), &type_integer, validate_positive }, |
460b9539 | 947 | { C(password), &type_string, validate_any }, |
f75ab9d3 | 948 | { C(pause_mode), &type_string, validate_pausemode }, |
460b9539 | 949 | { C(player), &type_stringlist_accum, validate_player }, |
950 | { C(plugins), &type_string_accum, validate_isdir }, | |
951 | { C(prefsync), &type_integer, validate_positive }, | |
459d4402 | 952 | { C(queue_pad), &type_integer, validate_positive }, |
cebe3127 | 953 | { C(replay_min), &type_integer, validate_non_negative }, |
460b9539 | 954 | { C(refresh), &type_integer, validate_positive }, |
6207d2f3 | 955 | { C(reminder_interval), &type_integer, validate_positive }, |
810b8083 | 956 | { C(remote_userman), &type_boolean, validate_any }, |
460b9539 | 957 | { C2(restrict, restrictions), &type_restrict, validate_any }, |
ba70caca | 958 | { C(rtp_delay_threshold), &type_integer, validate_positive }, |
9d5da576 | 959 | { C(sample_format), &type_sample_format, validate_sample_format }, |
460b9539 | 960 | { C(scratch), &type_string_accum, validate_isreg }, |
2eee4b0c | 961 | { C(sendmail), &type_string, validate_isabspath }, |
61507e3c | 962 | { C(short_display), &type_integer, validate_positive }, |
460b9539 | 963 | { C(signal), &type_signal, validate_any }, |
bb6ae3fb | 964 | { C(smtp_server), &type_string, validate_any }, |
5330d674 | 965 | { C(sox_generation), &type_integer, validate_non_negative }, |
b50cfb8a | 966 | { C2(speaker_backend, api), &type_string, validate_backend }, |
9d5da576 | 967 | { C(speaker_command), &type_string, validate_any }, |
460b9539 | 968 | { C(stopword), &type_string_accum, validate_any }, |
969 | { C(templates), &type_string_accum, validate_isdir }, | |
62dc3748 | 970 | { C(tracklength), &type_stringlist_accum, validate_tracklength }, |
460b9539 | 971 | { C(transform), &type_transform, validate_any }, |
972 | { C(trust), &type_string_accum, validate_any }, | |
973 | { C(url), &type_string, validate_url }, | |
974 | { C(user), &type_string, validate_isauser }, | |
975 | { C(username), &type_string, validate_any }, | |
976 | }; | |
977 | ||
3f3bb97b | 978 | /** @brief Find a configuration item's definition by key */ |
460b9539 | 979 | static const struct conf *find(const char *key) { |
980 | int n; | |
981 | ||
ba937f01 | 982 | if((n = TABLE_FIND(conf, name, key)) < 0) |
460b9539 | 983 | return 0; |
984 | return &conf[n]; | |
985 | } | |
986 | ||
3f3bb97b | 987 | /** @brief Set a new configuration value */ |
460b9539 | 988 | static int config_set(const struct config_state *cs, |
989 | int nvec, char **vec) { | |
990 | const struct conf *which; | |
991 | ||
992 | D(("config_set %s", vec[0])); | |
993 | if(!(which = find(vec[0]))) { | |
994 | error(0, "%s:%d: unknown configuration key '%s'", | |
995 | cs->path, cs->line, vec[0]); | |
996 | return -1; | |
997 | } | |
998 | return (which->validate(cs, nvec - 1, vec + 1) | |
999 | || which->type->set(cs, which, nvec - 1, vec + 1)); | |
1000 | } | |
1001 | ||
e6a35d1c RK |
1002 | static int config_set_args(const struct config_state *cs, |
1003 | const char *which, ...) { | |
1004 | va_list ap; | |
1005 | struct vector v[1]; | |
1006 | char *s; | |
1007 | ||
1008 | vector_init(v); | |
1009 | vector_append(v, (char *)which); | |
1010 | va_start(ap, which); | |
1011 | while((s = va_arg(ap, char *))) | |
1012 | vector_append(v, s); | |
1013 | va_end(ap); | |
1014 | vector_terminate(v); | |
1015 | return config_set(cs, v->nvec, v->vec); | |
1016 | } | |
1017 | ||
0e4472a0 | 1018 | /** @brief Error callback used by config_include() */ |
460b9539 | 1019 | static void config_error(const char *msg, void *u) { |
1020 | const struct config_state *cs = u; | |
1021 | ||
1022 | error(0, "%s:%d: %s", cs->path, cs->line, msg); | |
1023 | } | |
1024 | ||
3f3bb97b | 1025 | /** @brief Include a file by name */ |
460b9539 | 1026 | static int config_include(struct config *c, const char *path) { |
1027 | FILE *fp; | |
1028 | char *buffer, *inputbuffer, **vec; | |
1029 | int n, ret = 0; | |
1030 | struct config_state cs; | |
1031 | ||
1032 | cs.path = path; | |
1033 | cs.line = 0; | |
1034 | cs.config = c; | |
1035 | D(("%s: reading configuration", path)); | |
1036 | if(!(fp = fopen(path, "r"))) { | |
1037 | error(errno, "error opening %s", path); | |
1038 | return -1; | |
1039 | } | |
1040 | while(!inputline(path, fp, &inputbuffer, '\n')) { | |
1041 | ++cs.line; | |
1042 | if(!(buffer = mb2utf8(inputbuffer))) { | |
1043 | error(errno, "%s:%d: cannot convert to UTF-8", cs.path, cs.line); | |
1044 | ret = -1; | |
1045 | xfree(inputbuffer); | |
1046 | continue; | |
1047 | } | |
1048 | xfree(inputbuffer); | |
1049 | if(!(vec = split(buffer, &n, SPLIT_COMMENTS|SPLIT_QUOTES, | |
1050 | config_error, &cs))) { | |
1051 | ret = -1; | |
1052 | xfree(buffer); | |
1053 | continue; | |
1054 | } | |
1055 | if(n) { | |
1056 | if(!strcmp(vec[0], "include")) { | |
1057 | if(n != 2) { | |
1058 | error(0, "%s:%d: must be 'include PATH'", cs.path, cs.line); | |
1059 | ret = -1; | |
1060 | } else | |
1061 | config_include(c, vec[1]); | |
1062 | } else | |
1063 | ret |= config_set(&cs, n, vec); | |
1064 | } | |
1065 | for(n = 0; vec[n]; ++n) xfree(vec[n]); | |
1066 | xfree(vec); | |
1067 | xfree(buffer); | |
1068 | } | |
1069 | if(ferror(fp)) { | |
1070 | error(errno, "error reading %s", path); | |
1071 | ret = -1; | |
1072 | } | |
1073 | fclose(fp); | |
1074 | return ret; | |
1075 | } | |
1076 | ||
86be0c30 | 1077 | static const char *const default_stopwords[] = { |
1078 | "stopword", | |
1079 | ||
1080 | "01", | |
1081 | "02", | |
1082 | "03", | |
1083 | "04", | |
1084 | "05", | |
1085 | "06", | |
1086 | "07", | |
1087 | "08", | |
1088 | "09", | |
1089 | "1", | |
1090 | "10", | |
1091 | "11", | |
1092 | "12", | |
1093 | "13", | |
1094 | "14", | |
1095 | "15", | |
1096 | "16", | |
1097 | "17", | |
1098 | "18", | |
1099 | "19", | |
1100 | "2", | |
1101 | "20", | |
1102 | "21", | |
1103 | "22", | |
1104 | "23", | |
1105 | "24", | |
1106 | "25", | |
1107 | "26", | |
1108 | "27", | |
1109 | "28", | |
1110 | "29", | |
1111 | "3", | |
1112 | "30", | |
1113 | "4", | |
1114 | "5", | |
1115 | "6", | |
1116 | "7", | |
1117 | "8", | |
1118 | "9", | |
1119 | "a", | |
1120 | "am", | |
1121 | "an", | |
1122 | "and", | |
1123 | "as", | |
1124 | "for", | |
1125 | "i", | |
1126 | "im", | |
1127 | "in", | |
1128 | "is", | |
1129 | "of", | |
1130 | "on", | |
1131 | "the", | |
1132 | "to", | |
1133 | "too", | |
1134 | "we", | |
1135 | }; | |
1136 | #define NDEFAULT_STOPWORDS (sizeof default_stopwords / sizeof *default_stopwords) | |
1137 | ||
e6a35d1c RK |
1138 | static const char *const default_players[] = { |
1139 | "*.ogg", | |
1140 | "*.flac", | |
1141 | "*.mp3", | |
1142 | "*.wav", | |
1143 | }; | |
1144 | #define NDEFAULT_PLAYERS (sizeof default_players / sizeof *default_players) | |
1145 | ||
3f3bb97b | 1146 | /** @brief Make a new default configuration */ |
460b9539 | 1147 | static struct config *config_default(void) { |
1148 | struct config *c = xmalloc(sizeof *c); | |
1149 | const char *logname; | |
1150 | struct passwd *pw; | |
86be0c30 | 1151 | struct config_state cs; |
e6a35d1c | 1152 | size_t n; |
460b9539 | 1153 | |
86be0c30 | 1154 | cs.path = "<internal>"; |
1155 | cs.line = 0; | |
1156 | cs.config = c; | |
460b9539 | 1157 | /* Strings had better be xstrdup'd as they will get freed at some point. */ |
07bc035e | 1158 | c->gap = 0; |
460b9539 | 1159 | c->history = 60; |
1160 | c->home = xstrdup(pkgstatedir); | |
1161 | if(!(pw = getpwuid(getuid()))) | |
1162 | fatal(0, "cannot determine our username"); | |
1163 | logname = pw->pw_name; | |
1164 | c->username = xstrdup(logname); | |
1165 | c->refresh = 15; | |
02ba7921 | 1166 | c->prefsync = 0; |
460b9539 | 1167 | c->signal = SIGKILL; |
1168 | c->alias = xstrdup("{/artist}{/album}{/title}{ext}"); | |
1169 | c->lock = 1; | |
1170 | c->device = xstrdup("default"); | |
1171 | c->nice_rescan = 10; | |
9d5da576 | 1172 | c->speaker_command = 0; |
1173 | c->sample_format.bits = 16; | |
1174 | c->sample_format.rate = 44100; | |
1175 | c->sample_format.channels = 2; | |
6d2d327c | 1176 | c->sample_format.endian = ENDIAN_NATIVE; |
459d4402 | 1177 | c->queue_pad = 10; |
cebe3127 | 1178 | c->replay_min = 8 * 3600; |
b50cfb8a | 1179 | c->api = NULL; |
23205f9c | 1180 | c->multicast_ttl = 1; |
61941295 | 1181 | c->multicast_loop = 1; |
637fdea3 | 1182 | c->authorization_algorithm = xstrdup("sha1"); |
2a10b70b | 1183 | c->noticed_history = 31; |
61507e3c | 1184 | c->short_display = 32; |
bd8895a8 | 1185 | c->mixer = 0; |
1186 | c->channel = 0; | |
8818b7fc | 1187 | c->dbversion = 2; |
b12be54a RK |
1188 | c->cookie_login_lifetime = 86400; |
1189 | c->cookie_key_lifetime = 86400 * 7; | |
2eee4b0c RK |
1190 | if(sendmail_binary[0] && strcmp(sendmail_binary, "none")) |
1191 | c->sendmail = xstrdup(sendmail_binary); | |
bb6ae3fb | 1192 | c->smtp_server = xstrdup("127.0.0.1"); |
d742bb47 | 1193 | c->new_max = 100; |
6207d2f3 | 1194 | c->reminder_interval = 600; /* 10m */ |
05dcfac6 | 1195 | c->new_bias_age = 7 * 86400; /* 1 week */ |
6151ae7e | 1196 | c->new_bias = 4500000; /* 50 times the base weight */ |
419893d7 | 1197 | c->sox_generation = DEFAULT_SOX_GENERATION; |
e6a35d1c | 1198 | /* Default stopwords */ |
86be0c30 | 1199 | if(config_set(&cs, (int)NDEFAULT_STOPWORDS, (char **)default_stopwords)) |
1200 | exit(1); | |
e6a35d1c RK |
1201 | /* Default player configuration */ |
1202 | for(n = 0; n < NDEFAULT_PLAYERS; ++n) { | |
1203 | if(config_set_args(&cs, "player", | |
1204 | default_players[n], "execraw", "disorder-decode", (char *)0)) | |
1205 | exit(1); | |
1206 | if(config_set_args(&cs, "tracklength", | |
1207 | default_players[n], "disorder-tracklength", (char *)0)) | |
1208 | exit(1); | |
1209 | } | |
76e72f65 RK |
1210 | c->broadcast.af = -1; |
1211 | c->broadcast_from.af = -1; | |
80dc2c5f | 1212 | c->listen.af = -1; |
e41a9999 | 1213 | c->connect.af = -1; |
460b9539 | 1214 | return c; |
1215 | } | |
1216 | ||
319d7107 | 1217 | char *config_get_file2(struct config *c, const char *name) { |
460b9539 | 1218 | char *s; |
1219 | ||
1220 | byte_xasprintf(&s, "%s/%s", c->home, name); | |
1221 | return s; | |
1222 | } | |
1223 | ||
3f3bb97b | 1224 | /** @brief Set the default configuration file */ |
460b9539 | 1225 | static void set_configfile(void) { |
1226 | if(!configfile) | |
1227 | byte_xasprintf(&configfile, "%s/config", pkgconfdir); | |
1228 | } | |
1229 | ||
3f3bb97b | 1230 | /** @brief Free a configuration object */ |
460b9539 | 1231 | static void config_free(struct config *c) { |
1232 | int n; | |
1233 | ||
1234 | if(c) { | |
1235 | for(n = 0; n < (int)(sizeof conf / sizeof *conf); ++n) | |
1236 | conf[n].type->free(c, &conf[n]); | |
1237 | for(n = 0; n < c->nparts; ++n) | |
1238 | xfree(c->parts[n]); | |
1239 | xfree(c->parts); | |
1240 | xfree(c); | |
1241 | } | |
1242 | } | |
1243 | ||
3f3bb97b | 1244 | /** @brief Set post-parse defaults */ |
c00fce3a RK |
1245 | static void config_postdefaults(struct config *c, |
1246 | int server) { | |
460b9539 | 1247 | struct config_state cs; |
1248 | const struct conf *whoami; | |
1249 | int n; | |
1250 | ||
1251 | static const char *namepart[][4] = { | |
bcf50f5c | 1252 | { "title", "/([0-9]+ *[-:]? *)?([^/]+)\\.[a-zA-Z0-9]+$", "$2", "display" }, |
460b9539 | 1253 | { "title", "/([^/]+)\\.[a-zA-Z0-9]+$", "$1", "sort" }, |
1254 | { "album", "/([^/]+)/[^/]+$", "$1", "*" }, | |
1255 | { "artist", "/([^/]+)/[^/]+/[^/]+$", "$1", "*" }, | |
1256 | { "ext", "(\\.[a-zA-Z0-9]+)$", "$1", "*" }, | |
1257 | }; | |
1258 | #define NNAMEPART (int)(sizeof namepart / sizeof *namepart) | |
1259 | ||
1260 | static const char *transform[][5] = { | |
bcf50f5c | 1261 | { "track", "^.*/([0-9]+ *[-:]? *)?([^/]+)\\.[a-zA-Z0-9]+$", "$2", "display", "" }, |
460b9539 | 1262 | { "track", "^.*/([^/]+)\\.[a-zA-Z0-9]+$", "$1", "sort", "" }, |
1263 | { "dir", "^.*/([^/]+)$", "$1", "*", "" }, | |
1264 | { "dir", "^(the) ([^/]*)", "$2, $1", "sort", "i", }, | |
1265 | { "dir", "[[:punct:]]", "", "sort", "g", } | |
1266 | }; | |
1267 | #define NTRANSFORM (int)(sizeof transform / sizeof *transform) | |
1268 | ||
1269 | cs.path = "<internal>"; | |
1270 | cs.line = 0; | |
1271 | cs.config = c; | |
1272 | if(!c->namepart.n) { | |
1273 | whoami = find("namepart"); | |
1274 | for(n = 0; n < NNAMEPART; ++n) | |
1275 | set_namepart(&cs, whoami, 4, (char **)namepart[n]); | |
1276 | } | |
1277 | if(!c->transform.n) { | |
1278 | whoami = find("transform"); | |
1279 | for(n = 0; n < NTRANSFORM; ++n) | |
1280 | set_transform(&cs, whoami, 5, (char **)transform[n]); | |
1281 | } | |
b50cfb8a | 1282 | if(!c->api) { |
e83d0967 | 1283 | if(c->speaker_command) |
b50cfb8a | 1284 | c->api = xstrdup("command"); |
76e72f65 | 1285 | else if(c->broadcast.af != -1) |
b50cfb8a RK |
1286 | c->api = xstrdup("rtp"); |
1287 | else if(config_uaudio_apis) | |
1288 | c->api = xstrdup(config_uaudio_apis[0]->name); | |
8aae240b | 1289 | else |
b50cfb8a | 1290 | c->api = xstrdup("<none>"); |
e83d0967 | 1291 | } |
b50cfb8a RK |
1292 | if(!strcmp(c->api, "network")) |
1293 | c->api = xstrdup("rtp"); | |
c00fce3a | 1294 | if(server) { |
b50cfb8a | 1295 | if(!strcmp(c->api, "command") && !c->speaker_command) |
bd8895a8 | 1296 | fatal(0, "'api command' but speaker_command is not set"); |
76e72f65 | 1297 | if((!strcmp(c->api, "rtp")) && c->broadcast.af == -1) |
b50cfb8a | 1298 | fatal(0, "'api rtp' but broadcast is not set"); |
c00fce3a | 1299 | } |
e99d42b1 | 1300 | /* Override sample format */ |
b50cfb8a | 1301 | if(!strcmp(c->api, "rtp")) { |
6d2d327c RK |
1302 | c->sample_format.rate = 44100; |
1303 | c->sample_format.channels = 2; | |
1304 | c->sample_format.bits = 16; | |
b50cfb8a RK |
1305 | c->sample_format.endian = ENDIAN_NATIVE; |
1306 | } | |
1307 | if(!strcmp(c->api, "coreaudio")) { | |
937be4c0 RK |
1308 | c->sample_format.rate = 44100; |
1309 | c->sample_format.channels = 2; | |
1310 | c->sample_format.bits = 16; | |
1311 | c->sample_format.endian = ENDIAN_NATIVE; | |
04e1fa7c RK |
1312 | } |
1313 | if(!c->default_rights) { | |
1314 | rights_type r = RIGHTS__MASK & ~(RIGHT_ADMIN|RIGHT_REGISTER | |
1315 | |RIGHT_MOVE__MASK | |
1316 | |RIGHT_SCRATCH__MASK | |
1317 | |RIGHT_REMOVE__MASK); | |
1318 | /* The idea is to approximate the meaning of the old 'restrict' directive | |
1319 | * in the default rights if they are not overridden. */ | |
1320 | if(c->restrictions & RESTRICT_SCRATCH) | |
1321 | r |= RIGHT_SCRATCH_MINE|RIGHT_SCRATCH_RANDOM; | |
1322 | else | |
1323 | r |= RIGHT_SCRATCH_ANY; | |
1324 | if(!(c->restrictions & RESTRICT_MOVE)) | |
1325 | r |= RIGHT_MOVE_ANY; | |
1326 | if(c->restrictions & RESTRICT_REMOVE) | |
1327 | r |= RIGHT_REMOVE_MINE; | |
1328 | else | |
1329 | r |= RIGHT_REMOVE_ANY; | |
0f55e905 | 1330 | c->default_rights = rights_string(r); |
04e1fa7c | 1331 | } |
460b9539 | 1332 | } |
1333 | ||
c00fce3a RK |
1334 | /** @brief (Re-)read the config file |
1335 | * @param server If set, do extra checking | |
02ba7921 RK |
1336 | * @param oldconfig Old configuration for compatibility check |
1337 | * @return 0 on success, non-0 on error | |
1338 | * | |
1339 | * If @p oldconfig is set, then certain compatibility checks are done between | |
1340 | * the old and new configurations. | |
c00fce3a | 1341 | */ |
02ba7921 RK |
1342 | int config_read(int server, |
1343 | const struct config *oldconfig) { | |
460b9539 | 1344 | struct config *c; |
1345 | char *privconf; | |
1346 | struct passwd *pw; | |
1347 | ||
1348 | set_configfile(); | |
1349 | c = config_default(); | |
9ade2319 | 1350 | /* standalone Disobedience installs might not have a global config file */ |
1351 | if(access(configfile, F_OK) == 0) | |
1352 | if(config_include(c, configfile)) | |
1353 | return -1; | |
460b9539 | 1354 | /* if we can read the private config file, do */ |
1355 | if((privconf = config_private()) | |
1356 | && access(privconf, R_OK) == 0 | |
1357 | && config_include(c, privconf)) | |
1358 | return -1; | |
1359 | xfree(privconf); | |
1360 | /* if there's a per-user system config file for this user, read it */ | |
63ad732f RK |
1361 | if(config_per_user) { |
1362 | if(!(pw = getpwuid(getuid()))) | |
1363 | fatal(0, "cannot determine our username"); | |
1364 | if((privconf = config_usersysconf(pw)) | |
1365 | && access(privconf, F_OK) == 0 | |
1366 | && config_include(c, privconf)) | |
460b9539 | 1367 | return -1; |
63ad732f RK |
1368 | xfree(privconf); |
1369 | /* if we have a password file, read it */ | |
5b14453f | 1370 | if((privconf = config_userconf(0, pw)) |
63ad732f RK |
1371 | && access(privconf, F_OK) == 0 |
1372 | && config_include(c, privconf)) | |
1373 | return -1; | |
1374 | xfree(privconf); | |
1375 | } | |
460b9539 | 1376 | /* install default namepart and transform settings */ |
c00fce3a | 1377 | config_postdefaults(c, server); |
02ba7921 RK |
1378 | if(oldconfig) { |
1379 | int failed = 0; | |
1380 | if(strcmp(c->home, oldconfig->home)) { | |
1381 | error(0, "'home' cannot be changed without a restart"); | |
1382 | failed = 1; | |
1383 | } | |
1384 | if(strcmp(c->alias, oldconfig->alias)) { | |
1385 | error(0, "'alias' cannot be changed without a restart"); | |
1386 | failed = 1; | |
1387 | } | |
1388 | if(strcmp(c->user, oldconfig->user)) { | |
1389 | error(0, "'user' cannot be changed without a restart"); | |
1390 | failed = 1; | |
1391 | } | |
1392 | if(c->nice_speaker != oldconfig->nice_speaker) { | |
1393 | error(0, "'nice_speaker' cannot be changed without a restart"); | |
1394 | /* ...but we accept the new config anyway */ | |
1395 | } | |
553d8115 RK |
1396 | if(c->nice_server != oldconfig->nice_server) { |
1397 | error(0, "'nice_server' cannot be changed without a restart"); | |
1398 | /* ...but we accept the new config anyway */ | |
1399 | } | |
9417e1a3 RK |
1400 | if(namepartlist_compare(&c->namepart, &oldconfig->namepart)) { |
1401 | error(0, "'namepart' settings cannot be changed without a restart"); | |
1402 | failed = 1; | |
1403 | } | |
1404 | if(stringlist_compare(&c->stopword, &oldconfig->stopword)) { | |
1405 | error(0, "'stopword' settings cannot be changed without a restart"); | |
1406 | failed = 1; | |
1407 | } | |
02ba7921 RK |
1408 | if(failed) { |
1409 | error(0, "not installing incompatible new configuration"); | |
1410 | return -1; | |
1411 | } | |
1412 | } | |
460b9539 | 1413 | /* everything is good so we shall use the new config */ |
1414 | config_free(config); | |
04e1fa7c RK |
1415 | /* warn about obsolete directives */ |
1416 | if(c->restrictions) | |
1417 | error(0, "'restrict' will be removed in a future version"); | |
1418 | if(c->allow.n) | |
1419 | error(0, "'allow' will be removed in a future version"); | |
1420 | if(c->trust.n) | |
1421 | error(0, "'trust' will be removed in a future version"); | |
02ba7921 RK |
1422 | if(!c->lock) |
1423 | error(0, "'lock' will be removed in a future version"); | |
1424 | if(c->gap) | |
1425 | error(0, "'gap' will be removed in a future version"); | |
1426 | if(c->prefsync) | |
1427 | error(0, "'prefsync' will be removed in a future version"); | |
460b9539 | 1428 | config = c; |
1429 | return 0; | |
1430 | } | |
1431 | ||
3f3bb97b | 1432 | /** @brief Return the path to the private configuration file */ |
460b9539 | 1433 | char *config_private(void) { |
1434 | char *s; | |
1435 | ||
1436 | set_configfile(); | |
1437 | byte_xasprintf(&s, "%s.private", configfile); | |
1438 | return s; | |
1439 | } | |
1440 | ||
3f3bb97b | 1441 | /** @brief Return the path to user's personal configuration file */ |
460b9539 | 1442 | char *config_userconf(const char *home, const struct passwd *pw) { |
1443 | char *s; | |
1444 | ||
73f1b9f3 RK |
1445 | if(!home && !pw && !(pw = getpwuid(getuid()))) |
1446 | fatal(0, "cannot determine our username"); | |
460b9539 | 1447 | byte_xasprintf(&s, "%s/.disorder/passwd", home ? home : pw->pw_dir); |
1448 | return s; | |
1449 | } | |
1450 | ||
3f3bb97b RK |
1451 | /** @brief Return the path to user-specific system configuration */ |
1452 | char *config_usersysconf(const struct passwd *pw) { | |
460b9539 | 1453 | char *s; |
1454 | ||
1455 | set_configfile(); | |
1456 | if(!strchr(pw->pw_name, '/')) { | |
1457 | byte_xasprintf(&s, "%s.%s", configfile, pw->pw_name); | |
1458 | return s; | |
1459 | } else | |
1460 | return 0; | |
1461 | } | |
1462 | ||
1463 | char *config_get_file(const char *name) { | |
319d7107 | 1464 | return config_get_file2(config, name); |
460b9539 | 1465 | } |
1466 | ||
9417e1a3 RK |
1467 | static int stringlist_compare(const struct stringlist *a, |
1468 | const struct stringlist *b) { | |
e4132fd0 | 1469 | int n = 0, c; |
9417e1a3 RK |
1470 | |
1471 | while(n < a->n && n < b->n) { | |
1472 | if((c = strcmp(a->s[n], b->s[n]))) | |
1473 | return c; | |
1474 | ++n; | |
1475 | } | |
1476 | if(a->n < b->n) | |
1477 | return -1; | |
1478 | else if(a->n > b->n) | |
1479 | return 1; | |
1480 | else | |
1481 | return 0; | |
1482 | } | |
1483 | ||
1484 | static int namepart_compare(const struct namepart *a, | |
1485 | const struct namepart *b) { | |
1486 | int c; | |
1487 | ||
1488 | if((c = strcmp(a->part, b->part))) | |
1489 | return c; | |
1490 | if((c = strcmp(a->res, b->res))) | |
1491 | return c; | |
1492 | if((c = strcmp(a->replace, b->replace))) | |
1493 | return c; | |
1494 | if((c = strcmp(a->context, b->context))) | |
1495 | return c; | |
1496 | if(a->reflags > b->reflags) | |
1497 | return 1; | |
1498 | if(a->reflags < b->reflags) | |
1499 | return -1; | |
1500 | return 0; | |
1501 | } | |
1502 | ||
1503 | static int namepartlist_compare(const struct namepartlist *a, | |
1504 | const struct namepartlist *b) { | |
e4132fd0 | 1505 | int n = 0, c; |
9417e1a3 RK |
1506 | |
1507 | while(n < a->n && n < b->n) { | |
1508 | if((c = namepart_compare(&a->s[n], &b->s[n]))) | |
1509 | return c; | |
1510 | ++n; | |
1511 | } | |
1512 | if(a->n > b->n) | |
1513 | return 1; | |
1514 | else if(a->n < b->n) | |
1515 | return -1; | |
1516 | else | |
1517 | return 0; | |
1518 | } | |
1519 | ||
460b9539 | 1520 | /* |
1521 | Local Variables: | |
1522 | c-basic-offset:2 | |
1523 | comment-column:40 | |
1524 | fill-column:79 | |
1525 | End: | |
1526 | */ |