Commit | Line | Data |
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460b9539 | 1 | /* |
2 | * This file is part of DisOrder. | |
e83d0967 | 3 | * Copyright (C) 2004, 2005, 2006, 2007 Richard Kettlewell |
313acc77 | 4 | * Portions copyright (C) 2007 Mark Wooding |
460b9539 | 5 | * |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, but | |
12 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 | |
19 | * USA | |
20 | */ | |
0e4472a0 | 21 | /** @file lib/configuration.c |
22 | * @brief Configuration file support | |
23 | */ | |
460b9539 | 24 | |
25 | #include <config.h> | |
26 | #include "types.h" | |
27 | ||
28 | #include <stdio.h> | |
29 | #include <string.h> | |
30 | #include <stdlib.h> | |
31 | #include <errno.h> | |
32 | #include <sys/types.h> | |
33 | #include <sys/stat.h> | |
34 | #include <unistd.h> | |
35 | #include <ctype.h> | |
36 | #include <stddef.h> | |
37 | #include <pwd.h> | |
38 | #include <langinfo.h> | |
39 | #include <pcre.h> | |
40 | #include <signal.h> | |
41 | ||
04e1fa7c | 42 | #include "rights.h" |
460b9539 | 43 | #include "configuration.h" |
44 | #include "mem.h" | |
45 | #include "log.h" | |
46 | #include "split.h" | |
47 | #include "syscalls.h" | |
48 | #include "table.h" | |
49 | #include "inputline.h" | |
50 | #include "charset.h" | |
51 | #include "defs.h" | |
52 | #include "mixer.h" | |
53 | #include "printf.h" | |
54 | #include "regsub.h" | |
55 | #include "signame.h" | |
637fdea3 | 56 | #include "authhash.h" |
460b9539 | 57 | |
3f3bb97b RK |
58 | /** @brief Path to config file |
59 | * | |
60 | * set_configfile() sets the deafult if it is null. | |
61 | */ | |
460b9539 | 62 | char *configfile; |
63 | ||
63ad732f RK |
64 | /** @brief Read user configuration |
65 | * | |
66 | * If clear, the user-specific configuration is not read. | |
67 | */ | |
68 | int config_per_user = 1; | |
69 | ||
3f3bb97b | 70 | /** @brief Config file parser state */ |
460b9539 | 71 | struct config_state { |
3f3bb97b | 72 | /** @brief Filename */ |
460b9539 | 73 | const char *path; |
3f3bb97b | 74 | /** @brief Line number */ |
460b9539 | 75 | int line; |
3f3bb97b | 76 | /** @brief Configuration object under construction */ |
460b9539 | 77 | struct config *config; |
78 | }; | |
79 | ||
3f3bb97b | 80 | /** @brief Current configuration */ |
460b9539 | 81 | struct config *config; |
82 | ||
3f3bb97b | 83 | /** @brief One configuration item */ |
460b9539 | 84 | struct conf { |
3f3bb97b | 85 | /** @brief Name as it appears in the config file */ |
460b9539 | 86 | const char *name; |
3f3bb97b | 87 | /** @brief Offset in @ref config structure */ |
460b9539 | 88 | size_t offset; |
3f3bb97b | 89 | /** @brief Pointer to item type */ |
460b9539 | 90 | const struct conftype *type; |
3f3bb97b | 91 | /** @brief Pointer to item-specific validation routine */ |
460b9539 | 92 | int (*validate)(const struct config_state *cs, |
93 | int nvec, char **vec); | |
94 | }; | |
95 | ||
3f3bb97b | 96 | /** @brief Type of a configuration item */ |
460b9539 | 97 | struct conftype { |
3f3bb97b | 98 | /** @brief Pointer to function to set item */ |
460b9539 | 99 | int (*set)(const struct config_state *cs, |
100 | const struct conf *whoami, | |
101 | int nvec, char **vec); | |
3f3bb97b | 102 | /** @brief Pointer to function to free item */ |
460b9539 | 103 | void (*free)(struct config *c, const struct conf *whoami); |
104 | }; | |
105 | ||
3f3bb97b | 106 | /** @brief Compute the address of an item */ |
460b9539 | 107 | #define ADDRESS(C, TYPE) ((TYPE *)((char *)(C) + whoami->offset)) |
3f3bb97b | 108 | /** @brief Return the value of an item */ |
460b9539 | 109 | #define VALUE(C, TYPE) (*ADDRESS(C, TYPE)) |
110 | ||
111 | static int set_signal(const struct config_state *cs, | |
112 | const struct conf *whoami, | |
113 | int nvec, char **vec) { | |
114 | int n; | |
115 | ||
116 | if(nvec != 1) { | |
117 | error(0, "%s:%d: '%s' requires one argument", | |
118 | cs->path, cs->line, whoami->name); | |
119 | return -1; | |
120 | } | |
121 | if((n = find_signal(vec[0])) == -1) { | |
122 | error(0, "%s:%d: unknown signal '%s'", | |
123 | cs->path, cs->line, vec[0]); | |
124 | return -1; | |
125 | } | |
126 | VALUE(cs->config, int) = n; | |
127 | return 0; | |
128 | } | |
129 | ||
130 | static int set_collections(const struct config_state *cs, | |
131 | const struct conf *whoami, | |
132 | int nvec, char **vec) { | |
133 | struct collectionlist *cl; | |
01cef138 | 134 | const char *root, *encoding, *module; |
460b9539 | 135 | |
01cef138 RK |
136 | switch(nvec) { |
137 | case 1: | |
138 | module = 0; | |
139 | encoding = 0; | |
140 | root = vec[0]; | |
141 | break; | |
142 | case 2: | |
143 | module = vec[0]; | |
144 | encoding = 0; | |
145 | root = vec[1]; | |
146 | break; | |
147 | case 3: | |
148 | module = vec[0]; | |
149 | encoding = vec[1]; | |
150 | root = vec[2]; | |
151 | break; | |
152 | case 0: | |
153 | error(0, "%s:%d: '%s' requires at least one argument", | |
154 | cs->path, cs->line, whoami->name); | |
155 | return -1; | |
156 | default: | |
157 | error(0, "%s:%d: '%s' requires at most three arguments", | |
460b9539 | 158 | cs->path, cs->line, whoami->name); |
159 | return -1; | |
160 | } | |
01cef138 RK |
161 | /* Sanity check root */ |
162 | if(root[0] != '/') { | |
460b9539 | 163 | error(0, "%s:%d: collection root must start with '/'", |
164 | cs->path, cs->line); | |
165 | return -1; | |
166 | } | |
01cef138 | 167 | if(root[1] && root[strlen(root)-1] == '/') { |
460b9539 | 168 | error(0, "%s:%d: collection root must not end with '/'", |
169 | cs->path, cs->line); | |
170 | return -1; | |
171 | } | |
01cef138 RK |
172 | /* Defaults */ |
173 | if(!module) | |
174 | module = "fs"; | |
175 | if(!encoding) | |
176 | encoding = nl_langinfo(CODESET); | |
460b9539 | 177 | cl = ADDRESS(cs->config, struct collectionlist); |
178 | ++cl->n; | |
179 | cl->s = xrealloc(cl->s, cl->n * sizeof (struct collection)); | |
01cef138 RK |
180 | cl->s[cl->n - 1].module = xstrdup(module); |
181 | cl->s[cl->n - 1].encoding = xstrdup(encoding); | |
182 | cl->s[cl->n - 1].root = xstrdup(root); | |
460b9539 | 183 | return 0; |
184 | } | |
185 | ||
186 | static int set_boolean(const struct config_state *cs, | |
187 | const struct conf *whoami, | |
188 | int nvec, char **vec) { | |
189 | int state; | |
190 | ||
191 | if(nvec != 1) { | |
192 | error(0, "%s:%d: '%s' takes only one argument", | |
193 | cs->path, cs->line, whoami->name); | |
194 | return -1; | |
195 | } | |
196 | if(!strcmp(vec[0], "yes")) state = 1; | |
197 | else if(!strcmp(vec[0], "no")) state = 0; | |
198 | else { | |
199 | error(0, "%s:%d: argument to '%s' must be 'yes' or 'no'", | |
200 | cs->path, cs->line, whoami->name); | |
201 | return -1; | |
202 | } | |
203 | VALUE(cs->config, int) = state; | |
204 | return 0; | |
205 | } | |
206 | ||
207 | static int set_string(const struct config_state *cs, | |
208 | const struct conf *whoami, | |
209 | int nvec, char **vec) { | |
210 | if(nvec != 1) { | |
211 | error(0, "%s:%d: '%s' takes only one argument", | |
212 | cs->path, cs->line, whoami->name); | |
213 | return -1; | |
214 | } | |
215 | VALUE(cs->config, char *) = xstrdup(vec[0]); | |
216 | return 0; | |
217 | } | |
218 | ||
219 | static int set_stringlist(const struct config_state *cs, | |
220 | const struct conf *whoami, | |
221 | int nvec, char **vec) { | |
222 | int n; | |
223 | struct stringlist *sl; | |
224 | ||
225 | sl = ADDRESS(cs->config, struct stringlist); | |
226 | sl->n = 0; | |
227 | for(n = 0; n < nvec; ++n) { | |
228 | sl->n++; | |
229 | sl->s = xrealloc(sl->s, (sl->n * sizeof (char *))); | |
230 | sl->s[sl->n - 1] = xstrdup(vec[n]); | |
231 | } | |
232 | return 0; | |
233 | } | |
234 | ||
235 | static int set_integer(const struct config_state *cs, | |
236 | const struct conf *whoami, | |
237 | int nvec, char **vec) { | |
238 | char *e; | |
239 | ||
240 | if(nvec != 1) { | |
241 | error(0, "%s:%d: '%s' takes only one argument", | |
242 | cs->path, cs->line, whoami->name); | |
243 | return -1; | |
244 | } | |
245 | if(xstrtol(ADDRESS(cs->config, long), vec[0], &e, 0)) { | |
246 | error(errno, "%s:%d: converting integer", cs->path, cs->line); | |
247 | return -1; | |
248 | } | |
249 | if(*e) { | |
250 | error(0, "%s:%d: invalid integer syntax", cs->path, cs->line); | |
251 | return -1; | |
252 | } | |
253 | return 0; | |
254 | } | |
255 | ||
256 | static int set_stringlist_accum(const struct config_state *cs, | |
257 | const struct conf *whoami, | |
258 | int nvec, char **vec) { | |
259 | int n; | |
260 | struct stringlist *s; | |
261 | struct stringlistlist *sll; | |
262 | ||
263 | sll = ADDRESS(cs->config, struct stringlistlist); | |
40c30921 RK |
264 | if(nvec == 0) { |
265 | sll->n = 0; | |
266 | return 0; | |
267 | } | |
460b9539 | 268 | sll->n++; |
269 | sll->s = xrealloc(sll->s, (sll->n * sizeof (struct stringlist))); | |
270 | s = &sll->s[sll->n - 1]; | |
271 | s->n = nvec; | |
272 | s->s = xmalloc((nvec + 1) * sizeof (char *)); | |
273 | for(n = 0; n < nvec; ++n) | |
274 | s->s[n] = xstrdup(vec[n]); | |
275 | return 0; | |
276 | } | |
277 | ||
278 | static int set_string_accum(const struct config_state *cs, | |
279 | const struct conf *whoami, | |
280 | int nvec, char **vec) { | |
281 | int n; | |
282 | struct stringlist *sl; | |
283 | ||
284 | sl = ADDRESS(cs->config, struct stringlist); | |
40c30921 RK |
285 | if(nvec == 0) { |
286 | sl->n = 0; | |
287 | return 0; | |
288 | } | |
460b9539 | 289 | for(n = 0; n < nvec; ++n) { |
290 | sl->n++; | |
291 | sl->s = xrealloc(sl->s, (sl->n * sizeof (char *))); | |
292 | sl->s[sl->n - 1] = xstrdup(vec[n]); | |
293 | } | |
294 | return 0; | |
295 | } | |
296 | ||
297 | static int set_restrict(const struct config_state *cs, | |
298 | const struct conf *whoami, | |
299 | int nvec, char **vec) { | |
300 | unsigned r = 0; | |
301 | int n, i; | |
302 | ||
303 | static const struct restriction { | |
304 | const char *name; | |
305 | unsigned bit; | |
306 | } restrictions[] = { | |
307 | { "remove", RESTRICT_REMOVE }, | |
308 | { "scratch", RESTRICT_SCRATCH }, | |
309 | { "move", RESTRICT_MOVE }, | |
310 | }; | |
311 | ||
312 | for(n = 0; n < nvec; ++n) { | |
313 | if((i = TABLE_FIND(restrictions, struct restriction, name, vec[n])) < 0) { | |
314 | error(0, "%s:%d: invalid restriction '%s'", | |
315 | cs->path, cs->line, vec[n]); | |
316 | return -1; | |
317 | } | |
318 | r |= restrictions[i].bit; | |
319 | } | |
320 | VALUE(cs->config, unsigned) = r; | |
321 | return 0; | |
322 | } | |
323 | ||
9d5da576 | 324 | static int parse_sample_format(const struct config_state *cs, |
6d2d327c | 325 | struct stream_header *format, |
9d5da576 | 326 | int nvec, char **vec) { |
327 | char *p = vec[0]; | |
328 | long t; | |
329 | ||
6d2d327c | 330 | if(nvec != 1) { |
9d5da576 | 331 | error(0, "%s:%d: wrong number of arguments", cs->path, cs->line); |
332 | return -1; | |
333 | } | |
6d2d327c | 334 | if(xstrtol(&t, p, &p, 0)) { |
9d5da576 | 335 | error(errno, "%s:%d: converting bits-per-sample", cs->path, cs->line); |
336 | return -1; | |
337 | } | |
6d2d327c | 338 | if(t != 8 && t != 16) { |
9d5da576 | 339 | error(0, "%s:%d: bad bite-per-sample (%ld)", cs->path, cs->line, t); |
340 | return -1; | |
341 | } | |
6d2d327c | 342 | if(format) format->bits = t; |
9d5da576 | 343 | switch (*p) { |
6d2d327c RK |
344 | case 'l': case 'L': t = ENDIAN_LITTLE; p++; break; |
345 | case 'b': case 'B': t = ENDIAN_BIG; p++; break; | |
346 | default: t = ENDIAN_NATIVE; break; | |
9d5da576 | 347 | } |
6d2d327c RK |
348 | if(format) format->endian = t; |
349 | if(*p != '/') { | |
9d5da576 | 350 | error(errno, "%s:%d: expected `/' after bits-per-sample", |
351 | cs->path, cs->line); | |
352 | return -1; | |
353 | } | |
354 | p++; | |
6d2d327c | 355 | if(xstrtol(&t, p, &p, 0)) { |
9d5da576 | 356 | error(errno, "%s:%d: converting sample-rate", cs->path, cs->line); |
357 | return -1; | |
358 | } | |
6d2d327c | 359 | if(t < 1 || t > INT_MAX) { |
9d5da576 | 360 | error(0, "%s:%d: silly sample-rate (%ld)", cs->path, cs->line, t); |
361 | return -1; | |
362 | } | |
6d2d327c RK |
363 | if(format) format->rate = t; |
364 | if(*p != '/') { | |
9d5da576 | 365 | error(0, "%s:%d: expected `/' after sample-rate", |
366 | cs->path, cs->line); | |
367 | return -1; | |
368 | } | |
369 | p++; | |
6d2d327c | 370 | if(xstrtol(&t, p, &p, 0)) { |
9d5da576 | 371 | error(errno, "%s:%d: converting channels", cs->path, cs->line); |
372 | return -1; | |
373 | } | |
6d2d327c | 374 | if(t < 1 || t > 8) { |
9d5da576 | 375 | error(0, "%s:%d: silly number (%ld) of channels", cs->path, cs->line, t); |
376 | return -1; | |
377 | } | |
6d2d327c RK |
378 | if(format) format->channels = t; |
379 | if(*p) { | |
9d5da576 | 380 | error(0, "%s:%d: junk after channels", cs->path, cs->line); |
381 | return -1; | |
382 | } | |
383 | return 0; | |
384 | } | |
385 | ||
386 | static int set_sample_format(const struct config_state *cs, | |
387 | const struct conf *whoami, | |
388 | int nvec, char **vec) { | |
6d2d327c | 389 | return parse_sample_format(cs, ADDRESS(cs->config, struct stream_header), |
9d5da576 | 390 | nvec, vec); |
391 | } | |
392 | ||
460b9539 | 393 | static int set_namepart(const struct config_state *cs, |
394 | const struct conf *whoami, | |
395 | int nvec, char **vec) { | |
396 | struct namepartlist *npl = ADDRESS(cs->config, struct namepartlist); | |
397 | unsigned reflags; | |
398 | const char *errstr; | |
399 | int erroffset, n; | |
400 | pcre *re; | |
401 | ||
402 | if(nvec < 3) { | |
403 | error(0, "%s:%d: namepart needs at least 3 arguments", cs->path, cs->line); | |
404 | return -1; | |
405 | } | |
406 | if(nvec > 5) { | |
407 | error(0, "%s:%d: namepart needs at most 5 arguments", cs->path, cs->line); | |
408 | return -1; | |
409 | } | |
410 | reflags = nvec >= 5 ? regsub_flags(vec[4]) : 0; | |
411 | if(!(re = pcre_compile(vec[1], | |
412 | PCRE_UTF8 | |
413 | |regsub_compile_options(reflags), | |
414 | &errstr, &erroffset, 0))) { | |
415 | error(0, "%s:%d: error compiling regexp /%s/: %s (offset %d)", | |
416 | cs->path, cs->line, vec[1], errstr, erroffset); | |
417 | return -1; | |
418 | } | |
419 | npl->s = xrealloc(npl->s, (npl->n + 1) * sizeof (struct namepart)); | |
420 | npl->s[npl->n].part = xstrdup(vec[0]); | |
421 | npl->s[npl->n].re = re; | |
422 | npl->s[npl->n].replace = xstrdup(vec[2]); | |
423 | npl->s[npl->n].context = xstrdup(vec[3]); | |
424 | npl->s[npl->n].reflags = reflags; | |
425 | ++npl->n; | |
426 | /* XXX a bit of a bodge; relies on there being very few parts. */ | |
427 | for(n = 0; (n < cs->config->nparts | |
428 | && strcmp(cs->config->parts[n], vec[0])); ++n) | |
429 | ; | |
430 | if(n >= cs->config->nparts) { | |
431 | cs->config->parts = xrealloc(cs->config->parts, | |
432 | (cs->config->nparts + 1) * sizeof (char *)); | |
433 | cs->config->parts[cs->config->nparts++] = xstrdup(vec[0]); | |
434 | } | |
435 | return 0; | |
436 | } | |
437 | ||
438 | static int set_transform(const struct config_state *cs, | |
439 | const struct conf *whoami, | |
440 | int nvec, char **vec) { | |
441 | struct transformlist *tl = ADDRESS(cs->config, struct transformlist); | |
442 | pcre *re; | |
443 | unsigned reflags; | |
444 | const char *errstr; | |
445 | int erroffset; | |
446 | ||
447 | if(nvec < 3) { | |
448 | error(0, "%s:%d: transform needs at least 3 arguments", cs->path, cs->line); | |
449 | return -1; | |
450 | } | |
451 | if(nvec > 5) { | |
452 | error(0, "%s:%d: transform needs at most 5 arguments", cs->path, cs->line); | |
453 | return -1; | |
454 | } | |
455 | reflags = (nvec >= 5 ? regsub_flags(vec[4]) : 0); | |
456 | if(!(re = pcre_compile(vec[1], | |
457 | PCRE_UTF8 | |
458 | |regsub_compile_options(reflags), | |
459 | &errstr, &erroffset, 0))) { | |
460 | error(0, "%s:%d: error compiling regexp /%s/: %s (offset %d)", | |
461 | cs->path, cs->line, vec[1], errstr, erroffset); | |
462 | return -1; | |
463 | } | |
464 | tl->t = xrealloc(tl->t, (tl->n + 1) * sizeof (struct namepart)); | |
465 | tl->t[tl->n].type = xstrdup(vec[0]); | |
466 | tl->t[tl->n].context = xstrdup(vec[3] ? vec[3] : "*"); | |
467 | tl->t[tl->n].re = re; | |
468 | tl->t[tl->n].replace = xstrdup(vec[2]); | |
469 | tl->t[tl->n].flags = reflags; | |
470 | ++tl->n; | |
471 | return 0; | |
472 | } | |
473 | ||
e83d0967 RK |
474 | static int set_backend(const struct config_state *cs, |
475 | const struct conf *whoami, | |
476 | int nvec, char **vec) { | |
477 | int *const valuep = ADDRESS(cs->config, int); | |
478 | ||
479 | if(nvec != 1) { | |
480 | error(0, "%s:%d: '%s' requires one argument", | |
481 | cs->path, cs->line, whoami->name); | |
482 | return -1; | |
483 | } | |
484 | if(!strcmp(vec[0], "alsa")) { | |
146e86fb | 485 | #if HAVE_ALSA_ASOUNDLIB_H |
e83d0967 RK |
486 | *valuep = BACKEND_ALSA; |
487 | #else | |
488 | error(0, "%s:%d: ALSA is not available on this platform", | |
489 | cs->path, cs->line); | |
490 | return -1; | |
491 | #endif | |
492 | } else if(!strcmp(vec[0], "command")) | |
493 | *valuep = BACKEND_COMMAND; | |
494 | else if(!strcmp(vec[0], "network")) | |
495 | *valuep = BACKEND_NETWORK; | |
937be4c0 RK |
496 | else if(!strcmp(vec[0], "coreaudio")) { |
497 | #if HAVE_COREAUDIO_AUDIOHARDWARE_H | |
498 | *valuep = BACKEND_COREAUDIO; | |
499 | #else | |
500 | error(0, "%s:%d: Core Audio is not available on this platform", | |
501 | cs->path, cs->line); | |
502 | return -1; | |
e99d42b1 | 503 | #endif |
504 | } else if(!strcmp(vec[0], "oss")) { | |
505 | #if HAVE_SYS_SOUNDCARD_H | |
506 | *valuep = BACKEND_OSS; | |
507 | #else | |
508 | error(0, "%s:%d: OSS is not available on this platform", | |
509 | cs->path, cs->line); | |
510 | return -1; | |
937be4c0 RK |
511 | #endif |
512 | } else { | |
e83d0967 RK |
513 | error(0, "%s:%d: invalid '%s' value '%s'", |
514 | cs->path, cs->line, whoami->name, vec[0]); | |
515 | return -1; | |
516 | } | |
517 | return 0; | |
518 | } | |
519 | ||
04e1fa7c RK |
520 | static int set_rights(const struct config_state *cs, |
521 | const struct conf *whoami, | |
522 | int nvec, char **vec) { | |
04e1fa7c RK |
523 | if(nvec != 1) { |
524 | error(0, "%s:%d: '%s' requires one argument", | |
525 | cs->path, cs->line, whoami->name); | |
526 | return -1; | |
527 | } | |
0f55e905 | 528 | if(parse_rights(vec[0], 0, 1)) { |
04e1fa7c RK |
529 | error(0, "%s:%d: invalid rights string '%s'", |
530 | cs->path, cs->line, vec[0]); | |
531 | return -1; | |
532 | } | |
0f55e905 | 533 | *ADDRESS(cs->config, char *) = vec[0]; |
04e1fa7c RK |
534 | return 0; |
535 | } | |
536 | ||
460b9539 | 537 | /* free functions */ |
538 | ||
539 | static void free_none(struct config attribute((unused)) *c, | |
540 | const struct conf attribute((unused)) *whoami) { | |
541 | } | |
542 | ||
543 | static void free_string(struct config *c, | |
544 | const struct conf *whoami) { | |
545 | xfree(VALUE(c, char *)); | |
546 | } | |
547 | ||
548 | static void free_stringlist(struct config *c, | |
549 | const struct conf *whoami) { | |
550 | int n; | |
551 | struct stringlist *sl = ADDRESS(c, struct stringlist); | |
552 | ||
553 | for(n = 0; n < sl->n; ++n) | |
554 | xfree(sl->s[n]); | |
555 | xfree(sl->s); | |
556 | } | |
557 | ||
558 | static void free_stringlistlist(struct config *c, | |
559 | const struct conf *whoami) { | |
560 | int n, m; | |
561 | struct stringlistlist *sll = ADDRESS(c, struct stringlistlist); | |
562 | struct stringlist *sl; | |
563 | ||
564 | for(n = 0; n < sll->n; ++n) { | |
565 | sl = &sll->s[n]; | |
566 | for(m = 0; m < sl->n; ++m) | |
567 | xfree(sl->s[m]); | |
568 | xfree(sl->s); | |
569 | } | |
570 | xfree(sll->s); | |
571 | } | |
572 | ||
573 | static void free_collectionlist(struct config *c, | |
574 | const struct conf *whoami) { | |
575 | struct collectionlist *cll = ADDRESS(c, struct collectionlist); | |
576 | struct collection *cl; | |
577 | int n; | |
578 | ||
579 | for(n = 0; n < cll->n; ++n) { | |
580 | cl = &cll->s[n]; | |
581 | xfree(cl->module); | |
582 | xfree(cl->encoding); | |
583 | xfree(cl->root); | |
584 | } | |
585 | xfree(cll->s); | |
586 | } | |
587 | ||
588 | static void free_namepartlist(struct config *c, | |
589 | const struct conf *whoami) { | |
590 | struct namepartlist *npl = ADDRESS(c, struct namepartlist); | |
591 | struct namepart *np; | |
592 | int n; | |
593 | ||
594 | for(n = 0; n < npl->n; ++n) { | |
595 | np = &npl->s[n]; | |
596 | xfree(np->part); | |
597 | pcre_free(np->re); /* ...whatever pcre_free is set to. */ | |
598 | xfree(np->replace); | |
599 | xfree(np->context); | |
600 | } | |
601 | xfree(npl->s); | |
602 | } | |
603 | ||
604 | static void free_transformlist(struct config *c, | |
605 | const struct conf *whoami) { | |
606 | struct transformlist *tl = ADDRESS(c, struct transformlist); | |
607 | struct transform *t; | |
608 | int n; | |
609 | ||
610 | for(n = 0; n < tl->n; ++n) { | |
611 | t = &tl->t[n]; | |
612 | xfree(t->type); | |
613 | pcre_free(t->re); /* ...whatever pcre_free is set to. */ | |
614 | xfree(t->replace); | |
615 | xfree(t->context); | |
616 | } | |
617 | xfree(tl->t); | |
618 | } | |
619 | ||
620 | /* configuration types */ | |
621 | ||
622 | static const struct conftype | |
623 | type_signal = { set_signal, free_none }, | |
624 | type_collections = { set_collections, free_collectionlist }, | |
625 | type_boolean = { set_boolean, free_none }, | |
626 | type_string = { set_string, free_string }, | |
627 | type_stringlist = { set_stringlist, free_stringlist }, | |
628 | type_integer = { set_integer, free_none }, | |
629 | type_stringlist_accum = { set_stringlist_accum, free_stringlistlist }, | |
630 | type_string_accum = { set_string_accum, free_stringlist }, | |
9d5da576 | 631 | type_sample_format = { set_sample_format, free_none }, |
460b9539 | 632 | type_restrict = { set_restrict, free_none }, |
633 | type_namepart = { set_namepart, free_namepartlist }, | |
e83d0967 | 634 | type_transform = { set_transform, free_transformlist }, |
04e1fa7c | 635 | type_rights = { set_rights, free_none }, |
e83d0967 | 636 | type_backend = { set_backend, free_none }; |
460b9539 | 637 | |
638 | /* specific validation routine */ | |
639 | ||
640 | #define VALIDATE_FILE(test, what) do { \ | |
641 | struct stat sb; \ | |
642 | int n; \ | |
643 | \ | |
644 | for(n = 0; n < nvec; ++n) { \ | |
645 | if(stat(vec[n], &sb) < 0) { \ | |
646 | error(errno, "%s:%d: %s", cs->path, cs->line, vec[n]); \ | |
647 | return -1; \ | |
648 | } \ | |
649 | if(!test(sb.st_mode)) { \ | |
650 | error(0, "%s:%d: %s is not a %s", \ | |
651 | cs->path, cs->line, vec[n], what); \ | |
652 | return -1; \ | |
653 | } \ | |
654 | } \ | |
655 | } while(0) | |
656 | ||
659d87e8 RK |
657 | static int validate_isabspath(const struct config_state *cs, |
658 | int nvec, char **vec) { | |
659 | int n; | |
660 | ||
661 | for(n = 0; n < nvec; ++n) | |
662 | if(vec[n][0] != '/') { | |
663 | error(errno, "%s:%d: %s: not an absolute path", | |
664 | cs->path, cs->line, vec[n]); | |
665 | return -1; | |
666 | } | |
667 | return 0; | |
668 | } | |
669 | ||
460b9539 | 670 | static int validate_isdir(const struct config_state *cs, |
671 | int nvec, char **vec) { | |
672 | VALIDATE_FILE(S_ISDIR, "directory"); | |
673 | return 0; | |
674 | } | |
675 | ||
676 | static int validate_isreg(const struct config_state *cs, | |
677 | int nvec, char **vec) { | |
678 | VALIDATE_FILE(S_ISREG, "regular file"); | |
679 | return 0; | |
680 | } | |
681 | ||
682 | static int validate_ischr(const struct config_state *cs, | |
683 | int nvec, char **vec) { | |
684 | VALIDATE_FILE(S_ISCHR, "character device"); | |
685 | return 0; | |
686 | } | |
687 | ||
688 | static int validate_player(const struct config_state *cs, | |
689 | int nvec, | |
690 | char attribute((unused)) **vec) { | |
691 | if(nvec < 2) { | |
692 | error(0, "%s:%d: should be at least 'player PATTERN MODULE'", | |
693 | cs->path, cs->line); | |
694 | return -1; | |
695 | } | |
696 | return 0; | |
697 | } | |
698 | ||
62dc3748 RK |
699 | static int validate_tracklength(const struct config_state *cs, |
700 | int nvec, | |
701 | char attribute((unused)) **vec) { | |
702 | if(nvec < 2) { | |
703 | error(0, "%s:%d: should be at least 'tracklength PATTERN MODULE'", | |
704 | cs->path, cs->line); | |
705 | return -1; | |
706 | } | |
707 | return 0; | |
708 | } | |
709 | ||
460b9539 | 710 | static int validate_allow(const struct config_state *cs, |
711 | int nvec, | |
712 | char attribute((unused)) **vec) { | |
713 | if(nvec != 2) { | |
714 | error(0, "%s:%d: must be 'allow NAME PASS'", cs->path, cs->line); | |
715 | return -1; | |
716 | } | |
717 | return 0; | |
718 | } | |
719 | ||
720 | static int validate_non_negative(const struct config_state *cs, | |
721 | int nvec, char **vec) { | |
722 | long n; | |
723 | ||
724 | if(nvec < 1) { | |
725 | error(0, "%s:%d: missing argument", cs->path, cs->line); | |
726 | return -1; | |
727 | } | |
728 | if(nvec > 1) { | |
729 | error(0, "%s:%d: too many arguments", cs->path, cs->line); | |
730 | return -1; | |
731 | } | |
732 | if(xstrtol(&n, vec[0], 0, 0)) { | |
733 | error(0, "%s:%d: %s", cs->path, cs->line, strerror(errno)); | |
734 | return -1; | |
735 | } | |
736 | if(n < 0) { | |
737 | error(0, "%s:%d: must not be negative", cs->path, cs->line); | |
738 | return -1; | |
739 | } | |
740 | return 0; | |
741 | } | |
742 | ||
743 | static int validate_positive(const struct config_state *cs, | |
744 | int nvec, char **vec) { | |
745 | long n; | |
746 | ||
747 | if(nvec < 1) { | |
748 | error(0, "%s:%d: missing argument", cs->path, cs->line); | |
749 | return -1; | |
750 | } | |
751 | if(nvec > 1) { | |
752 | error(0, "%s:%d: too many arguments", cs->path, cs->line); | |
753 | return -1; | |
754 | } | |
755 | if(xstrtol(&n, vec[0], 0, 0)) { | |
756 | error(0, "%s:%d: %s", cs->path, cs->line, strerror(errno)); | |
757 | return -1; | |
758 | } | |
759 | if(n <= 0) { | |
760 | error(0, "%s:%d: must be positive", cs->path, cs->line); | |
761 | return -1; | |
762 | } | |
763 | return 0; | |
764 | } | |
765 | ||
766 | static int validate_isauser(const struct config_state *cs, | |
767 | int attribute((unused)) nvec, | |
768 | char **vec) { | |
769 | struct passwd *pw; | |
770 | ||
771 | if(!(pw = getpwnam(vec[0]))) { | |
772 | error(0, "%s:%d: no such user as '%s'", cs->path, cs->line, vec[0]); | |
773 | return -1; | |
774 | } | |
775 | return 0; | |
776 | } | |
777 | ||
9d5da576 | 778 | static int validate_sample_format(const struct config_state *cs, |
779 | int attribute((unused)) nvec, | |
780 | char **vec) { | |
781 | return parse_sample_format(cs, 0, nvec, vec); | |
782 | } | |
783 | ||
460b9539 | 784 | static int validate_channel(const struct config_state *cs, |
785 | int attribute((unused)) nvec, | |
786 | char **vec) { | |
787 | if(mixer_channel(vec[0]) == -1) { | |
788 | error(0, "%s:%d: invalid channel '%s'", cs->path, cs->line, vec[0]); | |
789 | return -1; | |
790 | } | |
791 | return 0; | |
792 | } | |
793 | ||
794 | static int validate_any(const struct config_state attribute((unused)) *cs, | |
795 | int attribute((unused)) nvec, | |
796 | char attribute((unused)) **vec) { | |
797 | return 0; | |
798 | } | |
799 | ||
800 | static int validate_url(const struct config_state attribute((unused)) *cs, | |
801 | int attribute((unused)) nvec, | |
802 | char **vec) { | |
803 | const char *s; | |
804 | int n; | |
805 | /* absoluteURI = scheme ":" ( hier_part | opaque_part ) | |
806 | scheme = alpha *( alpha | digit | "+" | "-" | "." ) */ | |
807 | s = vec[0]; | |
808 | n = strspn(s, ("abcdefghijklmnopqrstuvwxyz" | |
809 | "ABCDEFGHIJKLMNOPQRSTUVWXYZ" | |
810 | "0123456789")); | |
811 | if(s[n] != ':') { | |
812 | error(0, "%s:%d: invalid url '%s'", cs->path, cs->line, vec[0]); | |
813 | return -1; | |
814 | } | |
815 | if(!strncmp(s, "http:", 5) | |
816 | || !strncmp(s, "https:", 6)) { | |
817 | s += n + 1; | |
818 | /* we only do a rather cursory check */ | |
819 | if(strncmp(s, "//", 2)) { | |
820 | error(0, "%s:%d: invalid url '%s'", cs->path, cs->line, vec[0]); | |
821 | return -1; | |
822 | } | |
823 | } | |
824 | return 0; | |
825 | } | |
826 | ||
827 | static int validate_alias(const struct config_state *cs, | |
828 | int nvec, | |
829 | char **vec) { | |
830 | const char *s; | |
831 | int in_brackets = 0, c; | |
832 | ||
833 | if(nvec < 1) { | |
834 | error(0, "%s:%d: missing argument", cs->path, cs->line); | |
835 | return -1; | |
836 | } | |
837 | if(nvec > 1) { | |
838 | error(0, "%s:%d: too many arguments", cs->path, cs->line); | |
839 | return -1; | |
840 | } | |
841 | s = vec[0]; | |
842 | while((c = (unsigned char)*s++)) { | |
843 | if(in_brackets) { | |
844 | if(c == '}') | |
845 | in_brackets = 0; | |
846 | else if(!isalnum(c)) { | |
847 | error(0, "%s:%d: invalid part name in alias expansion in '%s'", | |
848 | cs->path, cs->line, vec[0]); | |
849 | return -1; | |
850 | } | |
851 | } else { | |
852 | if(c == '{') { | |
853 | in_brackets = 1; | |
854 | if(*s == '/') | |
855 | ++s; | |
856 | } else if(c == '\\') { | |
857 | if(!(c = (unsigned char)*s++)) { | |
858 | error(0, "%s:%d: unterminated escape in alias expansion in '%s'", | |
859 | cs->path, cs->line, vec[0]); | |
860 | return -1; | |
861 | } else if(c != '\\' && c != '{') { | |
862 | error(0, "%s:%d: invalid escape in alias expansion in '%s'", | |
863 | cs->path, cs->line, vec[0]); | |
864 | return -1; | |
865 | } | |
866 | } | |
867 | } | |
868 | ++s; | |
869 | } | |
870 | if(in_brackets) { | |
871 | error(0, "%s:%d: unterminated part name in alias expansion in '%s'", | |
872 | cs->path, cs->line, vec[0]); | |
873 | return -1; | |
874 | } | |
875 | return 0; | |
876 | } | |
877 | ||
e83d0967 RK |
878 | static int validate_addrport(const struct config_state attribute((unused)) *cs, |
879 | int nvec, | |
880 | char attribute((unused)) **vec) { | |
881 | switch(nvec) { | |
882 | case 0: | |
883 | error(0, "%s:%d: missing address", | |
884 | cs->path, cs->line); | |
885 | return -1; | |
886 | case 1: | |
887 | error(0, "%s:%d: missing port name/number", | |
888 | cs->path, cs->line); | |
889 | return -1; | |
890 | case 2: | |
891 | return 0; | |
892 | default: | |
893 | error(0, "%s:%d: expected ADDRESS PORT", | |
894 | cs->path, cs->line); | |
895 | return -1; | |
896 | } | |
897 | } | |
898 | ||
ccf0aafa | 899 | static int validate_port(const struct config_state attribute((unused)) *cs, |
e83d0967 RK |
900 | int nvec, |
901 | char attribute((unused)) **vec) { | |
902 | switch(nvec) { | |
903 | case 0: | |
904 | error(0, "%s:%d: missing address", | |
905 | cs->path, cs->line); | |
906 | return -1; | |
907 | case 1: | |
908 | case 2: | |
909 | return 0; | |
910 | default: | |
ccf0aafa | 911 | error(0, "%s:%d: expected [ADDRESS] PORT", |
e83d0967 RK |
912 | cs->path, cs->line); |
913 | return -1; | |
914 | } | |
915 | } | |
916 | ||
637fdea3 RK |
917 | static int validate_algo(const struct config_state attribute((unused)) *cs, |
918 | int nvec, | |
919 | char **vec) { | |
920 | if(nvec != 1) { | |
921 | error(0, "%s:%d: invalid algorithm specification", cs->path, cs->line); | |
922 | return -1; | |
923 | } | |
924 | if(!valid_authhash(vec[0])) { | |
925 | error(0, "%s:%d: unsuported algorithm '%s'", cs->path, cs->line, vec[0]); | |
926 | return -1; | |
927 | } | |
928 | return 0; | |
929 | } | |
930 | ||
3f3bb97b | 931 | /** @brief Item name and and offset */ |
460b9539 | 932 | #define C(x) #x, offsetof(struct config, x) |
3f3bb97b | 933 | /** @brief Item name and and offset */ |
460b9539 | 934 | #define C2(x,y) #x, offsetof(struct config, y) |
935 | ||
3f3bb97b | 936 | /** @brief All configuration items */ |
460b9539 | 937 | static const struct conf conf[] = { |
938 | { C(alias), &type_string, validate_alias }, | |
939 | { C(allow), &type_stringlist_accum, validate_allow }, | |
637fdea3 | 940 | { C(authorization_algorithm), &type_string, validate_algo }, |
e83d0967 | 941 | { C(broadcast), &type_stringlist, validate_addrport }, |
ccf0aafa | 942 | { C(broadcast_from), &type_stringlist, validate_addrport }, |
460b9539 | 943 | { C(channel), &type_string, validate_channel }, |
944 | { C(checkpoint_kbyte), &type_integer, validate_non_negative }, | |
945 | { C(checkpoint_min), &type_integer, validate_non_negative }, | |
946 | { C(collection), &type_collections, validate_any }, | |
e83d0967 | 947 | { C(connect), &type_stringlist, validate_addrport }, |
b12be54a RK |
948 | { C(cookie_login_lifetime), &type_integer, validate_positive }, |
949 | { C(cookie_key_lifetime), &type_integer, validate_positive }, | |
8818b7fc | 950 | { C(dbversion), &type_integer, validate_positive }, |
04e1fa7c | 951 | { C(default_rights), &type_rights, validate_any }, |
460b9539 | 952 | { C(device), &type_string, validate_any }, |
953 | { C(gap), &type_integer, validate_non_negative }, | |
954 | { C(history), &type_integer, validate_positive }, | |
659d87e8 | 955 | { C(home), &type_string, validate_isabspath }, |
ccf0aafa | 956 | { C(listen), &type_stringlist, validate_port }, |
460b9539 | 957 | { C(lock), &type_boolean, validate_any }, |
bb6ae3fb | 958 | { C(mail_sender), &type_string, validate_any }, |
460b9539 | 959 | { C(mixer), &type_string, validate_ischr }, |
61941295 | 960 | { C(multicast_loop), &type_boolean, validate_any }, |
23205f9c | 961 | { C(multicast_ttl), &type_integer, validate_non_negative }, |
460b9539 | 962 | { C(namepart), &type_namepart, validate_any }, |
963 | { C2(nice, nice_rescan), &type_integer, validate_non_negative }, | |
964 | { C(nice_rescan), &type_integer, validate_non_negative }, | |
965 | { C(nice_server), &type_integer, validate_any }, | |
966 | { C(nice_speaker), &type_integer, validate_any }, | |
2a10b70b | 967 | { C(noticed_history), &type_integer, validate_positive }, |
460b9539 | 968 | { C(password), &type_string, validate_any }, |
969 | { C(player), &type_stringlist_accum, validate_player }, | |
970 | { C(plugins), &type_string_accum, validate_isdir }, | |
971 | { C(prefsync), &type_integer, validate_positive }, | |
459d4402 | 972 | { C(queue_pad), &type_integer, validate_positive }, |
460b9539 | 973 | { C(refresh), &type_integer, validate_positive }, |
974 | { C2(restrict, restrictions), &type_restrict, validate_any }, | |
9d5da576 | 975 | { C(sample_format), &type_sample_format, validate_sample_format }, |
460b9539 | 976 | { C(scratch), &type_string_accum, validate_isreg }, |
61507e3c | 977 | { C(short_display), &type_integer, validate_positive }, |
460b9539 | 978 | { C(signal), &type_signal, validate_any }, |
bb6ae3fb | 979 | { C(smtp_server), &type_string, validate_any }, |
5330d674 | 980 | { C(sox_generation), &type_integer, validate_non_negative }, |
e83d0967 | 981 | { C(speaker_backend), &type_backend, validate_any }, |
9d5da576 | 982 | { C(speaker_command), &type_string, validate_any }, |
460b9539 | 983 | { C(stopword), &type_string_accum, validate_any }, |
984 | { C(templates), &type_string_accum, validate_isdir }, | |
62dc3748 | 985 | { C(tracklength), &type_stringlist_accum, validate_tracklength }, |
460b9539 | 986 | { C(transform), &type_transform, validate_any }, |
987 | { C(trust), &type_string_accum, validate_any }, | |
988 | { C(url), &type_string, validate_url }, | |
989 | { C(user), &type_string, validate_isauser }, | |
990 | { C(username), &type_string, validate_any }, | |
991 | }; | |
992 | ||
3f3bb97b | 993 | /** @brief Find a configuration item's definition by key */ |
460b9539 | 994 | static const struct conf *find(const char *key) { |
995 | int n; | |
996 | ||
997 | if((n = TABLE_FIND(conf, struct conf, name, key)) < 0) | |
998 | return 0; | |
999 | return &conf[n]; | |
1000 | } | |
1001 | ||
3f3bb97b | 1002 | /** @brief Set a new configuration value */ |
460b9539 | 1003 | static int config_set(const struct config_state *cs, |
1004 | int nvec, char **vec) { | |
1005 | const struct conf *which; | |
1006 | ||
1007 | D(("config_set %s", vec[0])); | |
1008 | if(!(which = find(vec[0]))) { | |
1009 | error(0, "%s:%d: unknown configuration key '%s'", | |
1010 | cs->path, cs->line, vec[0]); | |
1011 | return -1; | |
1012 | } | |
1013 | return (which->validate(cs, nvec - 1, vec + 1) | |
1014 | || which->type->set(cs, which, nvec - 1, vec + 1)); | |
1015 | } | |
1016 | ||
0e4472a0 | 1017 | /** @brief Error callback used by config_include() */ |
460b9539 | 1018 | static void config_error(const char *msg, void *u) { |
1019 | const struct config_state *cs = u; | |
1020 | ||
1021 | error(0, "%s:%d: %s", cs->path, cs->line, msg); | |
1022 | } | |
1023 | ||
3f3bb97b | 1024 | /** @brief Include a file by name */ |
460b9539 | 1025 | static int config_include(struct config *c, const char *path) { |
1026 | FILE *fp; | |
1027 | char *buffer, *inputbuffer, **vec; | |
1028 | int n, ret = 0; | |
1029 | struct config_state cs; | |
1030 | ||
1031 | cs.path = path; | |
1032 | cs.line = 0; | |
1033 | cs.config = c; | |
1034 | D(("%s: reading configuration", path)); | |
1035 | if(!(fp = fopen(path, "r"))) { | |
1036 | error(errno, "error opening %s", path); | |
1037 | return -1; | |
1038 | } | |
1039 | while(!inputline(path, fp, &inputbuffer, '\n')) { | |
1040 | ++cs.line; | |
1041 | if(!(buffer = mb2utf8(inputbuffer))) { | |
1042 | error(errno, "%s:%d: cannot convert to UTF-8", cs.path, cs.line); | |
1043 | ret = -1; | |
1044 | xfree(inputbuffer); | |
1045 | continue; | |
1046 | } | |
1047 | xfree(inputbuffer); | |
1048 | if(!(vec = split(buffer, &n, SPLIT_COMMENTS|SPLIT_QUOTES, | |
1049 | config_error, &cs))) { | |
1050 | ret = -1; | |
1051 | xfree(buffer); | |
1052 | continue; | |
1053 | } | |
1054 | if(n) { | |
1055 | if(!strcmp(vec[0], "include")) { | |
1056 | if(n != 2) { | |
1057 | error(0, "%s:%d: must be 'include PATH'", cs.path, cs.line); | |
1058 | ret = -1; | |
1059 | } else | |
1060 | config_include(c, vec[1]); | |
1061 | } else | |
1062 | ret |= config_set(&cs, n, vec); | |
1063 | } | |
1064 | for(n = 0; vec[n]; ++n) xfree(vec[n]); | |
1065 | xfree(vec); | |
1066 | xfree(buffer); | |
1067 | } | |
1068 | if(ferror(fp)) { | |
1069 | error(errno, "error reading %s", path); | |
1070 | ret = -1; | |
1071 | } | |
1072 | fclose(fp); | |
1073 | return ret; | |
1074 | } | |
1075 | ||
86be0c30 | 1076 | static const char *const default_stopwords[] = { |
1077 | "stopword", | |
1078 | ||
1079 | "01", | |
1080 | "02", | |
1081 | "03", | |
1082 | "04", | |
1083 | "05", | |
1084 | "06", | |
1085 | "07", | |
1086 | "08", | |
1087 | "09", | |
1088 | "1", | |
1089 | "10", | |
1090 | "11", | |
1091 | "12", | |
1092 | "13", | |
1093 | "14", | |
1094 | "15", | |
1095 | "16", | |
1096 | "17", | |
1097 | "18", | |
1098 | "19", | |
1099 | "2", | |
1100 | "20", | |
1101 | "21", | |
1102 | "22", | |
1103 | "23", | |
1104 | "24", | |
1105 | "25", | |
1106 | "26", | |
1107 | "27", | |
1108 | "28", | |
1109 | "29", | |
1110 | "3", | |
1111 | "30", | |
1112 | "4", | |
1113 | "5", | |
1114 | "6", | |
1115 | "7", | |
1116 | "8", | |
1117 | "9", | |
1118 | "a", | |
1119 | "am", | |
1120 | "an", | |
1121 | "and", | |
1122 | "as", | |
1123 | "for", | |
1124 | "i", | |
1125 | "im", | |
1126 | "in", | |
1127 | "is", | |
1128 | "of", | |
1129 | "on", | |
1130 | "the", | |
1131 | "to", | |
1132 | "too", | |
1133 | "we", | |
1134 | }; | |
1135 | #define NDEFAULT_STOPWORDS (sizeof default_stopwords / sizeof *default_stopwords) | |
1136 | ||
3f3bb97b | 1137 | /** @brief Make a new default configuration */ |
460b9539 | 1138 | static struct config *config_default(void) { |
1139 | struct config *c = xmalloc(sizeof *c); | |
1140 | const char *logname; | |
1141 | struct passwd *pw; | |
86be0c30 | 1142 | struct config_state cs; |
460b9539 | 1143 | |
86be0c30 | 1144 | cs.path = "<internal>"; |
1145 | cs.line = 0; | |
1146 | cs.config = c; | |
460b9539 | 1147 | /* Strings had better be xstrdup'd as they will get freed at some point. */ |
1148 | c->gap = 2; | |
1149 | c->history = 60; | |
1150 | c->home = xstrdup(pkgstatedir); | |
1151 | if(!(pw = getpwuid(getuid()))) | |
1152 | fatal(0, "cannot determine our username"); | |
1153 | logname = pw->pw_name; | |
1154 | c->username = xstrdup(logname); | |
1155 | c->refresh = 15; | |
1156 | c->prefsync = 3600; | |
1157 | c->signal = SIGKILL; | |
1158 | c->alias = xstrdup("{/artist}{/album}{/title}{ext}"); | |
1159 | c->lock = 1; | |
1160 | c->device = xstrdup("default"); | |
1161 | c->nice_rescan = 10; | |
9d5da576 | 1162 | c->speaker_command = 0; |
1163 | c->sample_format.bits = 16; | |
1164 | c->sample_format.rate = 44100; | |
1165 | c->sample_format.channels = 2; | |
6d2d327c | 1166 | c->sample_format.endian = ENDIAN_NATIVE; |
459d4402 | 1167 | c->queue_pad = 10; |
e83d0967 | 1168 | c->speaker_backend = -1; |
23205f9c | 1169 | c->multicast_ttl = 1; |
61941295 | 1170 | c->multicast_loop = 1; |
637fdea3 | 1171 | c->authorization_algorithm = xstrdup("sha1"); |
2a10b70b | 1172 | c->noticed_history = 31; |
61507e3c | 1173 | c->short_display = 32; |
321f7536 RK |
1174 | c->mixer = xstrdup("/dev/mixer"); |
1175 | c->channel = xstrdup("pcm"); | |
8818b7fc | 1176 | c->dbversion = 2; |
b12be54a RK |
1177 | c->cookie_login_lifetime = 86400; |
1178 | c->cookie_key_lifetime = 86400 * 7; | |
bb6ae3fb | 1179 | c->smtp_server = xstrdup("127.0.0.1"); |
86be0c30 | 1180 | if(config_set(&cs, (int)NDEFAULT_STOPWORDS, (char **)default_stopwords)) |
1181 | exit(1); | |
460b9539 | 1182 | return c; |
1183 | } | |
1184 | ||
1185 | static char *get_file(struct config *c, const char *name) { | |
1186 | char *s; | |
1187 | ||
1188 | byte_xasprintf(&s, "%s/%s", c->home, name); | |
1189 | return s; | |
1190 | } | |
1191 | ||
3f3bb97b | 1192 | /** @brief Set the default configuration file */ |
460b9539 | 1193 | static void set_configfile(void) { |
1194 | if(!configfile) | |
1195 | byte_xasprintf(&configfile, "%s/config", pkgconfdir); | |
1196 | } | |
1197 | ||
3f3bb97b | 1198 | /** @brief Free a configuration object */ |
460b9539 | 1199 | static void config_free(struct config *c) { |
1200 | int n; | |
1201 | ||
1202 | if(c) { | |
1203 | for(n = 0; n < (int)(sizeof conf / sizeof *conf); ++n) | |
1204 | conf[n].type->free(c, &conf[n]); | |
1205 | for(n = 0; n < c->nparts; ++n) | |
1206 | xfree(c->parts[n]); | |
1207 | xfree(c->parts); | |
1208 | xfree(c); | |
1209 | } | |
1210 | } | |
1211 | ||
3f3bb97b | 1212 | /** @brief Set post-parse defaults */ |
c00fce3a RK |
1213 | static void config_postdefaults(struct config *c, |
1214 | int server) { | |
460b9539 | 1215 | struct config_state cs; |
1216 | const struct conf *whoami; | |
1217 | int n; | |
1218 | ||
1219 | static const char *namepart[][4] = { | |
88608992 | 1220 | { "title", "/([0-9]+ *[-:] *)?([^/]+)\\.[a-zA-Z0-9]+$", "$2", "display" }, |
460b9539 | 1221 | { "title", "/([^/]+)\\.[a-zA-Z0-9]+$", "$1", "sort" }, |
1222 | { "album", "/([^/]+)/[^/]+$", "$1", "*" }, | |
1223 | { "artist", "/([^/]+)/[^/]+/[^/]+$", "$1", "*" }, | |
1224 | { "ext", "(\\.[a-zA-Z0-9]+)$", "$1", "*" }, | |
1225 | }; | |
1226 | #define NNAMEPART (int)(sizeof namepart / sizeof *namepart) | |
1227 | ||
1228 | static const char *transform[][5] = { | |
88608992 | 1229 | { "track", "^.*/([0-9]+ *[-:] *)?([^/]+)\\.[a-zA-Z0-9]+$", "$2", "display", "" }, |
460b9539 | 1230 | { "track", "^.*/([^/]+)\\.[a-zA-Z0-9]+$", "$1", "sort", "" }, |
1231 | { "dir", "^.*/([^/]+)$", "$1", "*", "" }, | |
1232 | { "dir", "^(the) ([^/]*)", "$2, $1", "sort", "i", }, | |
1233 | { "dir", "[[:punct:]]", "", "sort", "g", } | |
1234 | }; | |
1235 | #define NTRANSFORM (int)(sizeof transform / sizeof *transform) | |
1236 | ||
1237 | cs.path = "<internal>"; | |
1238 | cs.line = 0; | |
1239 | cs.config = c; | |
1240 | if(!c->namepart.n) { | |
1241 | whoami = find("namepart"); | |
1242 | for(n = 0; n < NNAMEPART; ++n) | |
1243 | set_namepart(&cs, whoami, 4, (char **)namepart[n]); | |
1244 | } | |
1245 | if(!c->transform.n) { | |
1246 | whoami = find("transform"); | |
1247 | for(n = 0; n < NTRANSFORM; ++n) | |
1248 | set_transform(&cs, whoami, 5, (char **)transform[n]); | |
1249 | } | |
e83d0967 RK |
1250 | if(c->speaker_backend == -1) { |
1251 | if(c->speaker_command) | |
1252 | c->speaker_backend = BACKEND_COMMAND; | |
1253 | else if(c->broadcast.n) | |
1254 | c->speaker_backend = BACKEND_NETWORK; | |
1255 | else { | |
146e86fb | 1256 | #if HAVE_ALSA_ASOUNDLIB_H |
e83d0967 | 1257 | c->speaker_backend = BACKEND_ALSA; |
146e86fb | 1258 | #elif HAVE_SYS_SOUNDCARD_H |
1259 | c->speaker_backend = BACKEND_OSS; | |
937be4c0 RK |
1260 | #elif HAVE_COREAUDIO_AUDIOHARDWARE_H |
1261 | c->speaker_backend = BACKEND_COREAUDIO; | |
e83d0967 RK |
1262 | #else |
1263 | c->speaker_backend = BACKEND_COMMAND; | |
1264 | #endif | |
1265 | } | |
1266 | } | |
c00fce3a RK |
1267 | if(server) { |
1268 | if(c->speaker_backend == BACKEND_COMMAND && !c->speaker_command) | |
1269 | fatal(0, "speaker_backend is command but speaker_command is not set"); | |
1270 | if(c->speaker_backend == BACKEND_NETWORK && !c->broadcast.n) | |
1271 | fatal(0, "speaker_backend is network but broadcast is not set"); | |
1272 | } | |
e99d42b1 | 1273 | /* Override sample format */ |
1274 | switch(c->speaker_backend) { | |
1275 | case BACKEND_NETWORK: | |
6d2d327c RK |
1276 | c->sample_format.rate = 44100; |
1277 | c->sample_format.channels = 2; | |
1278 | c->sample_format.bits = 16; | |
1279 | c->sample_format.endian = ENDIAN_BIG; | |
e99d42b1 | 1280 | break; |
1281 | case BACKEND_COREAUDIO: | |
937be4c0 RK |
1282 | c->sample_format.rate = 44100; |
1283 | c->sample_format.channels = 2; | |
1284 | c->sample_format.bits = 16; | |
1285 | c->sample_format.endian = ENDIAN_NATIVE; | |
e99d42b1 | 1286 | break; |
04e1fa7c RK |
1287 | } |
1288 | if(!c->default_rights) { | |
1289 | rights_type r = RIGHTS__MASK & ~(RIGHT_ADMIN|RIGHT_REGISTER | |
1290 | |RIGHT_MOVE__MASK | |
1291 | |RIGHT_SCRATCH__MASK | |
1292 | |RIGHT_REMOVE__MASK); | |
1293 | /* The idea is to approximate the meaning of the old 'restrict' directive | |
1294 | * in the default rights if they are not overridden. */ | |
1295 | if(c->restrictions & RESTRICT_SCRATCH) | |
1296 | r |= RIGHT_SCRATCH_MINE|RIGHT_SCRATCH_RANDOM; | |
1297 | else | |
1298 | r |= RIGHT_SCRATCH_ANY; | |
1299 | if(!(c->restrictions & RESTRICT_MOVE)) | |
1300 | r |= RIGHT_MOVE_ANY; | |
1301 | if(c->restrictions & RESTRICT_REMOVE) | |
1302 | r |= RIGHT_REMOVE_MINE; | |
1303 | else | |
1304 | r |= RIGHT_REMOVE_ANY; | |
0f55e905 | 1305 | c->default_rights = rights_string(r); |
04e1fa7c | 1306 | } |
460b9539 | 1307 | } |
1308 | ||
c00fce3a RK |
1309 | /** @brief (Re-)read the config file |
1310 | * @param server If set, do extra checking | |
1311 | */ | |
1312 | int config_read(int server) { | |
460b9539 | 1313 | struct config *c; |
1314 | char *privconf; | |
1315 | struct passwd *pw; | |
1316 | ||
1317 | set_configfile(); | |
1318 | c = config_default(); | |
9ade2319 | 1319 | /* standalone Disobedience installs might not have a global config file */ |
1320 | if(access(configfile, F_OK) == 0) | |
1321 | if(config_include(c, configfile)) | |
1322 | return -1; | |
460b9539 | 1323 | /* if we can read the private config file, do */ |
1324 | if((privconf = config_private()) | |
1325 | && access(privconf, R_OK) == 0 | |
1326 | && config_include(c, privconf)) | |
1327 | return -1; | |
1328 | xfree(privconf); | |
1329 | /* if there's a per-user system config file for this user, read it */ | |
63ad732f RK |
1330 | if(config_per_user) { |
1331 | if(!(pw = getpwuid(getuid()))) | |
1332 | fatal(0, "cannot determine our username"); | |
1333 | if((privconf = config_usersysconf(pw)) | |
1334 | && access(privconf, F_OK) == 0 | |
1335 | && config_include(c, privconf)) | |
460b9539 | 1336 | return -1; |
63ad732f RK |
1337 | xfree(privconf); |
1338 | /* if we have a password file, read it */ | |
1339 | if((privconf = config_userconf(getenv("HOME"), pw)) | |
1340 | && access(privconf, F_OK) == 0 | |
1341 | && config_include(c, privconf)) | |
1342 | return -1; | |
1343 | xfree(privconf); | |
1344 | } | |
460b9539 | 1345 | /* install default namepart and transform settings */ |
c00fce3a | 1346 | config_postdefaults(c, server); |
460b9539 | 1347 | /* everything is good so we shall use the new config */ |
1348 | config_free(config); | |
04e1fa7c RK |
1349 | /* warn about obsolete directives */ |
1350 | if(c->restrictions) | |
1351 | error(0, "'restrict' will be removed in a future version"); | |
1352 | if(c->allow.n) | |
1353 | error(0, "'allow' will be removed in a future version"); | |
1354 | if(c->trust.n) | |
1355 | error(0, "'trust' will be removed in a future version"); | |
460b9539 | 1356 | config = c; |
1357 | return 0; | |
1358 | } | |
1359 | ||
3f3bb97b | 1360 | /** @brief Return the path to the private configuration file */ |
460b9539 | 1361 | char *config_private(void) { |
1362 | char *s; | |
1363 | ||
1364 | set_configfile(); | |
1365 | byte_xasprintf(&s, "%s.private", configfile); | |
1366 | return s; | |
1367 | } | |
1368 | ||
3f3bb97b | 1369 | /** @brief Return the path to user's personal configuration file */ |
460b9539 | 1370 | char *config_userconf(const char *home, const struct passwd *pw) { |
1371 | char *s; | |
1372 | ||
73f1b9f3 RK |
1373 | if(!home && !pw && !(pw = getpwuid(getuid()))) |
1374 | fatal(0, "cannot determine our username"); | |
460b9539 | 1375 | byte_xasprintf(&s, "%s/.disorder/passwd", home ? home : pw->pw_dir); |
1376 | return s; | |
1377 | } | |
1378 | ||
3f3bb97b RK |
1379 | /** @brief Return the path to user-specific system configuration */ |
1380 | char *config_usersysconf(const struct passwd *pw) { | |
460b9539 | 1381 | char *s; |
1382 | ||
1383 | set_configfile(); | |
1384 | if(!strchr(pw->pw_name, '/')) { | |
1385 | byte_xasprintf(&s, "%s.%s", configfile, pw->pw_name); | |
1386 | return s; | |
1387 | } else | |
1388 | return 0; | |
1389 | } | |
1390 | ||
1391 | char *config_get_file(const char *name) { | |
1392 | return get_file(config, name); | |
1393 | } | |
1394 | ||
1395 | /* | |
1396 | Local Variables: | |
1397 | c-basic-offset:2 | |
1398 | comment-column:40 | |
1399 | fill-column:79 | |
1400 | End: | |
1401 | */ |