Commit | Line | Data |
---|---|---|
460b9539 | 1 | /* |
2 | * This file is part of DisOrder. | |
2a1c84fb | 3 | * Copyright (C) 2004-2010 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 | * | |
9e6c445d | 55 | * set_configfile() sets the default if it is null. |
3f3bb97b | 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; |
34d37b3e | 75 | |
3f3bb97b | 76 | /** @brief Line number */ |
460b9539 | 77 | int line; |
34d37b3e | 78 | |
3f3bb97b | 79 | /** @brief Configuration object under construction */ |
460b9539 | 80 | struct config *config; |
81 | }; | |
82 | ||
3f3bb97b | 83 | /** @brief Current configuration */ |
460b9539 | 84 | struct config *config; |
85 | ||
3f3bb97b | 86 | /** @brief One configuration item */ |
460b9539 | 87 | struct conf { |
3f3bb97b | 88 | /** @brief Name as it appears in the config file */ |
460b9539 | 89 | const char *name; |
34d37b3e | 90 | |
3f3bb97b | 91 | /** @brief Offset in @ref config structure */ |
460b9539 | 92 | size_t offset; |
34d37b3e | 93 | |
3f3bb97b | 94 | /** @brief Pointer to item type */ |
460b9539 | 95 | const struct conftype *type; |
34d37b3e RK |
96 | |
97 | /** @brief Pointer to item-specific validation routine | |
98 | * @param cs Configuration state | |
99 | * @param nvec Length of (proposed) new value | |
100 | * @param vec Elements of new value | |
101 | * @return 0 on success, non-0 on error | |
102 | * | |
103 | * The validate function should report any error it detects. | |
104 | */ | |
460b9539 | 105 | int (*validate)(const struct config_state *cs, |
106 | int nvec, char **vec); | |
107 | }; | |
108 | ||
3f3bb97b | 109 | /** @brief Type of a configuration item */ |
460b9539 | 110 | struct conftype { |
34d37b3e RK |
111 | /** @brief Pointer to function to set item |
112 | * @param cs Configuration state | |
113 | * @param whoami Configuration item to set | |
114 | * @param nvec Length of new value | |
115 | * @param vec New value | |
116 | * @return 0 on success, non-0 on error | |
117 | */ | |
460b9539 | 118 | int (*set)(const struct config_state *cs, |
119 | const struct conf *whoami, | |
120 | int nvec, char **vec); | |
34d37b3e RK |
121 | |
122 | /** @brief Pointer to function to free item | |
123 | * @param c Configuration structure to free an item of | |
124 | * @param whoami Configuration item to free | |
125 | */ | |
460b9539 | 126 | void (*free)(struct config *c, const struct conf *whoami); |
127 | }; | |
128 | ||
3f3bb97b | 129 | /** @brief Compute the address of an item */ |
460b9539 | 130 | #define ADDRESS(C, TYPE) ((TYPE *)((char *)(C) + whoami->offset)) |
3f3bb97b | 131 | /** @brief Return the value of an item */ |
460b9539 | 132 | #define VALUE(C, TYPE) (*ADDRESS(C, TYPE)) |
133 | ||
9417e1a3 RK |
134 | static int stringlist_compare(const struct stringlist *a, |
135 | const struct stringlist *b); | |
136 | static int namepartlist_compare(const struct namepartlist *a, | |
137 | const struct namepartlist *b); | |
138 | ||
460b9539 | 139 | static int set_signal(const struct config_state *cs, |
140 | const struct conf *whoami, | |
141 | int nvec, char **vec) { | |
142 | int n; | |
143 | ||
144 | if(nvec != 1) { | |
2e9ba080 | 145 | disorder_error(0, "%s:%d: '%s' requires one argument", |
460b9539 | 146 | cs->path, cs->line, whoami->name); |
147 | return -1; | |
148 | } | |
149 | if((n = find_signal(vec[0])) == -1) { | |
2e9ba080 | 150 | disorder_error(0, "%s:%d: unknown signal '%s'", |
460b9539 | 151 | cs->path, cs->line, vec[0]); |
152 | return -1; | |
153 | } | |
154 | VALUE(cs->config, int) = n; | |
155 | return 0; | |
156 | } | |
157 | ||
158 | static int set_collections(const struct config_state *cs, | |
159 | const struct conf *whoami, | |
160 | int nvec, char **vec) { | |
161 | struct collectionlist *cl; | |
01cef138 | 162 | const char *root, *encoding, *module; |
460b9539 | 163 | |
01cef138 RK |
164 | switch(nvec) { |
165 | case 1: | |
166 | module = 0; | |
167 | encoding = 0; | |
168 | root = vec[0]; | |
169 | break; | |
170 | case 2: | |
171 | module = vec[0]; | |
172 | encoding = 0; | |
173 | root = vec[1]; | |
174 | break; | |
175 | case 3: | |
176 | module = vec[0]; | |
177 | encoding = vec[1]; | |
178 | root = vec[2]; | |
179 | break; | |
180 | case 0: | |
2e9ba080 RK |
181 | disorder_error(0, "%s:%d: '%s' requires at least one argument", |
182 | cs->path, cs->line, whoami->name); | |
01cef138 RK |
183 | return -1; |
184 | default: | |
2e9ba080 RK |
185 | disorder_error(0, "%s:%d: '%s' requires at most three arguments", |
186 | cs->path, cs->line, whoami->name); | |
460b9539 | 187 | return -1; |
188 | } | |
01cef138 RK |
189 | /* Sanity check root */ |
190 | if(root[0] != '/') { | |
2e9ba080 RK |
191 | disorder_error(0, "%s:%d: collection root must start with '/'", |
192 | cs->path, cs->line); | |
460b9539 | 193 | return -1; |
194 | } | |
01cef138 | 195 | if(root[1] && root[strlen(root)-1] == '/') { |
2e9ba080 RK |
196 | disorder_error(0, "%s:%d: collection root must not end with '/'", |
197 | cs->path, cs->line); | |
460b9539 | 198 | return -1; |
199 | } | |
01cef138 RK |
200 | /* Defaults */ |
201 | if(!module) | |
202 | module = "fs"; | |
203 | if(!encoding) | |
204 | encoding = nl_langinfo(CODESET); | |
460b9539 | 205 | cl = ADDRESS(cs->config, struct collectionlist); |
206 | ++cl->n; | |
207 | cl->s = xrealloc(cl->s, cl->n * sizeof (struct collection)); | |
01cef138 RK |
208 | cl->s[cl->n - 1].module = xstrdup(module); |
209 | cl->s[cl->n - 1].encoding = xstrdup(encoding); | |
210 | cl->s[cl->n - 1].root = xstrdup(root); | |
460b9539 | 211 | return 0; |
212 | } | |
213 | ||
214 | static int set_boolean(const struct config_state *cs, | |
215 | const struct conf *whoami, | |
216 | int nvec, char **vec) { | |
217 | int state; | |
218 | ||
219 | if(nvec != 1) { | |
2e9ba080 RK |
220 | disorder_error(0, "%s:%d: '%s' takes only one argument", |
221 | cs->path, cs->line, whoami->name); | |
460b9539 | 222 | return -1; |
223 | } | |
224 | if(!strcmp(vec[0], "yes")) state = 1; | |
225 | else if(!strcmp(vec[0], "no")) state = 0; | |
226 | else { | |
2e9ba080 RK |
227 | disorder_error(0, "%s:%d: argument to '%s' must be 'yes' or 'no'", |
228 | cs->path, cs->line, whoami->name); | |
460b9539 | 229 | return -1; |
230 | } | |
231 | VALUE(cs->config, int) = state; | |
232 | return 0; | |
233 | } | |
234 | ||
235 | static int set_string(const struct config_state *cs, | |
236 | const struct conf *whoami, | |
237 | int nvec, char **vec) { | |
238 | if(nvec != 1) { | |
2e9ba080 RK |
239 | disorder_error(0, "%s:%d: '%s' takes only one argument", |
240 | cs->path, cs->line, whoami->name); | |
460b9539 | 241 | return -1; |
242 | } | |
47854c5f | 243 | xfree(VALUE(cs->config, char *)); |
460b9539 | 244 | VALUE(cs->config, char *) = xstrdup(vec[0]); |
245 | return 0; | |
246 | } | |
247 | ||
248 | static int set_stringlist(const struct config_state *cs, | |
249 | const struct conf *whoami, | |
250 | int nvec, char **vec) { | |
251 | int n; | |
252 | struct stringlist *sl; | |
253 | ||
254 | sl = ADDRESS(cs->config, struct stringlist); | |
255 | sl->n = 0; | |
256 | for(n = 0; n < nvec; ++n) { | |
257 | sl->n++; | |
258 | sl->s = xrealloc(sl->s, (sl->n * sizeof (char *))); | |
259 | sl->s[sl->n - 1] = xstrdup(vec[n]); | |
260 | } | |
261 | return 0; | |
262 | } | |
263 | ||
264 | static int set_integer(const struct config_state *cs, | |
265 | const struct conf *whoami, | |
266 | int nvec, char **vec) { | |
267 | char *e; | |
268 | ||
269 | if(nvec != 1) { | |
2e9ba080 RK |
270 | disorder_error(0, "%s:%d: '%s' takes only one argument", |
271 | cs->path, cs->line, whoami->name); | |
460b9539 | 272 | return -1; |
273 | } | |
274 | if(xstrtol(ADDRESS(cs->config, long), vec[0], &e, 0)) { | |
2e9ba080 | 275 | disorder_error(errno, "%s:%d: converting integer", cs->path, cs->line); |
460b9539 | 276 | return -1; |
277 | } | |
278 | if(*e) { | |
2e9ba080 | 279 | disorder_error(0, "%s:%d: invalid integer syntax", cs->path, cs->line); |
460b9539 | 280 | return -1; |
281 | } | |
282 | return 0; | |
283 | } | |
284 | ||
285 | static int set_stringlist_accum(const struct config_state *cs, | |
286 | const struct conf *whoami, | |
287 | int nvec, char **vec) { | |
288 | int n; | |
289 | struct stringlist *s; | |
290 | struct stringlistlist *sll; | |
291 | ||
292 | sll = ADDRESS(cs->config, struct stringlistlist); | |
40c30921 RK |
293 | if(nvec == 0) { |
294 | sll->n = 0; | |
295 | return 0; | |
296 | } | |
460b9539 | 297 | sll->n++; |
298 | sll->s = xrealloc(sll->s, (sll->n * sizeof (struct stringlist))); | |
299 | s = &sll->s[sll->n - 1]; | |
300 | s->n = nvec; | |
301 | s->s = xmalloc((nvec + 1) * sizeof (char *)); | |
302 | for(n = 0; n < nvec; ++n) | |
303 | s->s[n] = xstrdup(vec[n]); | |
304 | return 0; | |
305 | } | |
306 | ||
307 | static int set_string_accum(const struct config_state *cs, | |
308 | const struct conf *whoami, | |
309 | int nvec, char **vec) { | |
310 | int n; | |
311 | struct stringlist *sl; | |
312 | ||
313 | sl = ADDRESS(cs->config, struct stringlist); | |
40c30921 RK |
314 | if(nvec == 0) { |
315 | sl->n = 0; | |
316 | return 0; | |
317 | } | |
460b9539 | 318 | for(n = 0; n < nvec; ++n) { |
319 | sl->n++; | |
320 | sl->s = xrealloc(sl->s, (sl->n * sizeof (char *))); | |
321 | sl->s[sl->n - 1] = xstrdup(vec[n]); | |
322 | } | |
323 | return 0; | |
324 | } | |
325 | ||
9d5da576 | 326 | static int parse_sample_format(const struct config_state *cs, |
6d2d327c | 327 | struct stream_header *format, |
9d5da576 | 328 | int nvec, char **vec) { |
329 | char *p = vec[0]; | |
330 | long t; | |
331 | ||
6d2d327c | 332 | if(nvec != 1) { |
2e9ba080 | 333 | disorder_error(0, "%s:%d: wrong number of arguments", cs->path, cs->line); |
9d5da576 | 334 | return -1; |
335 | } | |
6d2d327c | 336 | if(xstrtol(&t, p, &p, 0)) { |
2e9ba080 RK |
337 | disorder_error(errno, "%s:%d: converting bits-per-sample", |
338 | cs->path, cs->line); | |
9d5da576 | 339 | return -1; |
340 | } | |
6d2d327c | 341 | if(t != 8 && t != 16) { |
ef0a7964 | 342 | disorder_error(0, "%s:%d: bad bits-per-sample (%ld)", |
2e9ba080 | 343 | cs->path, cs->line, t); |
9d5da576 | 344 | return -1; |
345 | } | |
6d2d327c | 346 | if(format) format->bits = t; |
9d5da576 | 347 | switch (*p) { |
6d2d327c RK |
348 | case 'l': case 'L': t = ENDIAN_LITTLE; p++; break; |
349 | case 'b': case 'B': t = ENDIAN_BIG; p++; break; | |
350 | default: t = ENDIAN_NATIVE; break; | |
9d5da576 | 351 | } |
6d2d327c RK |
352 | if(format) format->endian = t; |
353 | if(*p != '/') { | |
2e9ba080 | 354 | disorder_error(errno, "%s:%d: expected `/' after bits-per-sample", |
9d5da576 | 355 | cs->path, cs->line); |
356 | return -1; | |
357 | } | |
358 | p++; | |
6d2d327c | 359 | if(xstrtol(&t, p, &p, 0)) { |
2e9ba080 | 360 | disorder_error(errno, "%s:%d: converting sample-rate", cs->path, cs->line); |
9d5da576 | 361 | return -1; |
362 | } | |
6d2d327c | 363 | if(t < 1 || t > INT_MAX) { |
2e9ba080 | 364 | disorder_error(0, "%s:%d: silly sample-rate (%ld)", cs->path, cs->line, t); |
9d5da576 | 365 | return -1; |
366 | } | |
6d2d327c RK |
367 | if(format) format->rate = t; |
368 | if(*p != '/') { | |
2e9ba080 RK |
369 | disorder_error(0, "%s:%d: expected `/' after sample-rate", |
370 | cs->path, cs->line); | |
9d5da576 | 371 | return -1; |
372 | } | |
373 | p++; | |
6d2d327c | 374 | if(xstrtol(&t, p, &p, 0)) { |
2e9ba080 | 375 | disorder_error(errno, "%s:%d: converting channels", cs->path, cs->line); |
9d5da576 | 376 | return -1; |
377 | } | |
6d2d327c | 378 | if(t < 1 || t > 8) { |
2e9ba080 RK |
379 | disorder_error(0, "%s:%d: silly number (%ld) of channels", |
380 | cs->path, cs->line, t); | |
9d5da576 | 381 | return -1; |
382 | } | |
6d2d327c RK |
383 | if(format) format->channels = t; |
384 | if(*p) { | |
2e9ba080 | 385 | disorder_error(0, "%s:%d: junk after channels", cs->path, cs->line); |
9d5da576 | 386 | return -1; |
387 | } | |
388 | return 0; | |
389 | } | |
390 | ||
391 | static int set_sample_format(const struct config_state *cs, | |
392 | const struct conf *whoami, | |
393 | int nvec, char **vec) { | |
6d2d327c | 394 | return parse_sample_format(cs, ADDRESS(cs->config, struct stream_header), |
9d5da576 | 395 | nvec, vec); |
396 | } | |
397 | ||
460b9539 | 398 | static int set_namepart(const struct config_state *cs, |
399 | const struct conf *whoami, | |
400 | int nvec, char **vec) { | |
401 | struct namepartlist *npl = ADDRESS(cs->config, struct namepartlist); | |
402 | unsigned reflags; | |
403 | const char *errstr; | |
404 | int erroffset, n; | |
405 | pcre *re; | |
406 | ||
407 | if(nvec < 3) { | |
2e9ba080 RK |
408 | disorder_error(0, "%s:%d: namepart needs at least 3 arguments", |
409 | cs->path, cs->line); | |
460b9539 | 410 | return -1; |
411 | } | |
412 | if(nvec > 5) { | |
2e9ba080 RK |
413 | disorder_error(0, "%s:%d: namepart needs at most 5 arguments", |
414 | cs->path, cs->line); | |
460b9539 | 415 | return -1; |
416 | } | |
417 | reflags = nvec >= 5 ? regsub_flags(vec[4]) : 0; | |
418 | if(!(re = pcre_compile(vec[1], | |
419 | PCRE_UTF8 | |
420 | |regsub_compile_options(reflags), | |
421 | &errstr, &erroffset, 0))) { | |
2e9ba080 RK |
422 | disorder_error(0, "%s:%d: compiling regexp /%s/: %s (offset %d)", |
423 | cs->path, cs->line, vec[1], errstr, erroffset); | |
460b9539 | 424 | return -1; |
425 | } | |
426 | npl->s = xrealloc(npl->s, (npl->n + 1) * sizeof (struct namepart)); | |
427 | npl->s[npl->n].part = xstrdup(vec[0]); | |
428 | npl->s[npl->n].re = re; | |
9417e1a3 | 429 | npl->s[npl->n].res = xstrdup(vec[1]); |
460b9539 | 430 | npl->s[npl->n].replace = xstrdup(vec[2]); |
431 | npl->s[npl->n].context = xstrdup(vec[3]); | |
432 | npl->s[npl->n].reflags = reflags; | |
433 | ++npl->n; | |
434 | /* XXX a bit of a bodge; relies on there being very few parts. */ | |
435 | for(n = 0; (n < cs->config->nparts | |
436 | && strcmp(cs->config->parts[n], vec[0])); ++n) | |
437 | ; | |
438 | if(n >= cs->config->nparts) { | |
439 | cs->config->parts = xrealloc(cs->config->parts, | |
440 | (cs->config->nparts + 1) * sizeof (char *)); | |
441 | cs->config->parts[cs->config->nparts++] = xstrdup(vec[0]); | |
442 | } | |
443 | return 0; | |
444 | } | |
445 | ||
446 | static int set_transform(const struct config_state *cs, | |
447 | const struct conf *whoami, | |
448 | int nvec, char **vec) { | |
449 | struct transformlist *tl = ADDRESS(cs->config, struct transformlist); | |
450 | pcre *re; | |
451 | unsigned reflags; | |
452 | const char *errstr; | |
453 | int erroffset; | |
454 | ||
455 | if(nvec < 3) { | |
2e9ba080 RK |
456 | disorder_error(0, "%s:%d: transform needs at least 3 arguments", |
457 | cs->path, cs->line); | |
460b9539 | 458 | return -1; |
459 | } | |
460 | if(nvec > 5) { | |
2e9ba080 RK |
461 | disorder_error(0, "%s:%d: transform needs at most 5 arguments", |
462 | cs->path, cs->line); | |
460b9539 | 463 | return -1; |
464 | } | |
465 | reflags = (nvec >= 5 ? regsub_flags(vec[4]) : 0); | |
466 | if(!(re = pcre_compile(vec[1], | |
467 | PCRE_UTF8 | |
468 | |regsub_compile_options(reflags), | |
469 | &errstr, &erroffset, 0))) { | |
2e9ba080 RK |
470 | disorder_error(0, "%s:%d: compiling regexp /%s/: %s (offset %d)", |
471 | cs->path, cs->line, vec[1], errstr, erroffset); | |
460b9539 | 472 | return -1; |
473 | } | |
474 | tl->t = xrealloc(tl->t, (tl->n + 1) * sizeof (struct namepart)); | |
475 | tl->t[tl->n].type = xstrdup(vec[0]); | |
476 | tl->t[tl->n].context = xstrdup(vec[3] ? vec[3] : "*"); | |
477 | tl->t[tl->n].re = re; | |
478 | tl->t[tl->n].replace = xstrdup(vec[2]); | |
479 | tl->t[tl->n].flags = reflags; | |
480 | ++tl->n; | |
481 | return 0; | |
482 | } | |
483 | ||
04e1fa7c RK |
484 | static int set_rights(const struct config_state *cs, |
485 | const struct conf *whoami, | |
486 | int nvec, char **vec) { | |
04e1fa7c | 487 | if(nvec != 1) { |
2e9ba080 RK |
488 | disorder_error(0, "%s:%d: '%s' requires one argument", |
489 | cs->path, cs->line, whoami->name); | |
04e1fa7c RK |
490 | return -1; |
491 | } | |
0f55e905 | 492 | if(parse_rights(vec[0], 0, 1)) { |
2e9ba080 RK |
493 | disorder_error(0, "%s:%d: invalid rights string '%s'", |
494 | cs->path, cs->line, vec[0]); | |
04e1fa7c RK |
495 | return -1; |
496 | } | |
47854c5f | 497 | return set_string(cs, whoami, nvec, vec); |
04e1fa7c RK |
498 | } |
499 | ||
76e72f65 RK |
500 | static int set_netaddress(const struct config_state *cs, |
501 | const struct conf *whoami, | |
502 | int nvec, char **vec) { | |
503 | struct netaddress *na = ADDRESS(cs->config, struct netaddress); | |
504 | ||
505 | if(netaddress_parse(na, nvec, vec)) { | |
2e9ba080 | 506 | disorder_error(0, "%s:%d: invalid network address", cs->path, cs->line); |
76e72f65 RK |
507 | return -1; |
508 | } | |
509 | return 0; | |
510 | } | |
511 | ||
460b9539 | 512 | /* free functions */ |
513 | ||
514 | static void free_none(struct config attribute((unused)) *c, | |
515 | const struct conf attribute((unused)) *whoami) { | |
516 | } | |
517 | ||
518 | static void free_string(struct config *c, | |
519 | const struct conf *whoami) { | |
520 | xfree(VALUE(c, char *)); | |
f183d30b | 521 | VALUE(c, char *) = 0; |
460b9539 | 522 | } |
523 | ||
524 | static void free_stringlist(struct config *c, | |
525 | const struct conf *whoami) { | |
526 | int n; | |
527 | struct stringlist *sl = ADDRESS(c, struct stringlist); | |
528 | ||
529 | for(n = 0; n < sl->n; ++n) | |
530 | xfree(sl->s[n]); | |
531 | xfree(sl->s); | |
532 | } | |
533 | ||
534 | static void free_stringlistlist(struct config *c, | |
535 | const struct conf *whoami) { | |
536 | int n, m; | |
537 | struct stringlistlist *sll = ADDRESS(c, struct stringlistlist); | |
538 | struct stringlist *sl; | |
539 | ||
540 | for(n = 0; n < sll->n; ++n) { | |
541 | sl = &sll->s[n]; | |
542 | for(m = 0; m < sl->n; ++m) | |
543 | xfree(sl->s[m]); | |
544 | xfree(sl->s); | |
545 | } | |
546 | xfree(sll->s); | |
547 | } | |
548 | ||
549 | static void free_collectionlist(struct config *c, | |
550 | const struct conf *whoami) { | |
551 | struct collectionlist *cll = ADDRESS(c, struct collectionlist); | |
552 | struct collection *cl; | |
553 | int n; | |
554 | ||
555 | for(n = 0; n < cll->n; ++n) { | |
556 | cl = &cll->s[n]; | |
557 | xfree(cl->module); | |
558 | xfree(cl->encoding); | |
559 | xfree(cl->root); | |
560 | } | |
561 | xfree(cll->s); | |
562 | } | |
563 | ||
564 | static void free_namepartlist(struct config *c, | |
565 | const struct conf *whoami) { | |
566 | struct namepartlist *npl = ADDRESS(c, struct namepartlist); | |
567 | struct namepart *np; | |
568 | int n; | |
569 | ||
570 | for(n = 0; n < npl->n; ++n) { | |
571 | np = &npl->s[n]; | |
572 | xfree(np->part); | |
573 | pcre_free(np->re); /* ...whatever pcre_free is set to. */ | |
9417e1a3 | 574 | xfree(np->res); |
460b9539 | 575 | xfree(np->replace); |
576 | xfree(np->context); | |
577 | } | |
578 | xfree(npl->s); | |
579 | } | |
580 | ||
581 | static void free_transformlist(struct config *c, | |
582 | const struct conf *whoami) { | |
583 | struct transformlist *tl = ADDRESS(c, struct transformlist); | |
584 | struct transform *t; | |
585 | int n; | |
586 | ||
587 | for(n = 0; n < tl->n; ++n) { | |
588 | t = &tl->t[n]; | |
589 | xfree(t->type); | |
590 | pcre_free(t->re); /* ...whatever pcre_free is set to. */ | |
591 | xfree(t->replace); | |
592 | xfree(t->context); | |
593 | } | |
594 | xfree(tl->t); | |
595 | } | |
596 | ||
76e72f65 RK |
597 | static void free_netaddress(struct config *c, |
598 | const struct conf *whoami) { | |
599 | struct netaddress *na = ADDRESS(c, struct netaddress); | |
600 | ||
601 | xfree(na->address); | |
602 | } | |
603 | ||
460b9539 | 604 | /* configuration types */ |
605 | ||
606 | static const struct conftype | |
607 | type_signal = { set_signal, free_none }, | |
608 | type_collections = { set_collections, free_collectionlist }, | |
609 | type_boolean = { set_boolean, free_none }, | |
610 | type_string = { set_string, free_string }, | |
611 | type_stringlist = { set_stringlist, free_stringlist }, | |
612 | type_integer = { set_integer, free_none }, | |
613 | type_stringlist_accum = { set_stringlist_accum, free_stringlistlist }, | |
614 | type_string_accum = { set_string_accum, free_stringlist }, | |
9d5da576 | 615 | type_sample_format = { set_sample_format, free_none }, |
460b9539 | 616 | type_namepart = { set_namepart, free_namepartlist }, |
e83d0967 | 617 | type_transform = { set_transform, free_transformlist }, |
76e72f65 | 618 | type_netaddress = { set_netaddress, free_netaddress }, |
47854c5f | 619 | type_rights = { set_rights, free_string }; |
460b9539 | 620 | |
621 | /* specific validation routine */ | |
622 | ||
34d37b3e RK |
623 | /** @brief Perform a test on a filename |
624 | * @param test Test function to call on mode bits | |
625 | * @param what Type of file sought | |
626 | * | |
627 | * If @p test returns 0 then the file is not a @p what and an error | |
628 | * is reported and -1 is returned. | |
629 | */ | |
2e9ba080 RK |
630 | #define VALIDATE_FILE(test, what) do { \ |
631 | struct stat sb; \ | |
632 | int n; \ | |
633 | \ | |
634 | for(n = 0; n < nvec; ++n) { \ | |
635 | if(stat(vec[n], &sb) < 0) { \ | |
636 | disorder_error(errno, "%s:%d: %s", \ | |
637 | cs->path, cs->line, vec[n]); \ | |
638 | return -1; \ | |
639 | } \ | |
640 | if(!test(sb.st_mode)) { \ | |
641 | disorder_error(0, "%s:%d: %s is not a %s", \ | |
642 | cs->path, cs->line, vec[n], what); \ | |
643 | return -1; \ | |
644 | } \ | |
645 | } \ | |
460b9539 | 646 | } while(0) |
647 | ||
34d37b3e RK |
648 | /** @brief Validate an absolute path |
649 | * @param cs Configuration state | |
650 | * @param nvec Length of (proposed) new value | |
651 | * @param vec Elements of new value | |
652 | * @return 0 on success, non-0 on error | |
653 | */ | |
659d87e8 RK |
654 | static int validate_isabspath(const struct config_state *cs, |
655 | int nvec, char **vec) { | |
656 | int n; | |
657 | ||
658 | for(n = 0; n < nvec; ++n) | |
659 | if(vec[n][0] != '/') { | |
2e9ba080 RK |
660 | disorder_error(errno, "%s:%d: %s: not an absolute path", |
661 | cs->path, cs->line, vec[n]); | |
659d87e8 RK |
662 | return -1; |
663 | } | |
664 | return 0; | |
665 | } | |
666 | ||
34d37b3e RK |
667 | /** @brief Validate an existing directory |
668 | * @param cs Configuration state | |
669 | * @param nvec Length of (proposed) new value | |
670 | * @param vec Elements of new value | |
671 | * @return 0 on success, non-0 on error | |
672 | */ | |
460b9539 | 673 | static int validate_isdir(const struct config_state *cs, |
674 | int nvec, char **vec) { | |
675 | VALIDATE_FILE(S_ISDIR, "directory"); | |
676 | return 0; | |
677 | } | |
678 | ||
34d37b3e RK |
679 | /** @brief Validate an existing regular file |
680 | * @param cs Configuration state | |
681 | * @param nvec Length of (proposed) new value | |
682 | * @param vec Elements of new value | |
683 | * @return 0 on success, non-0 on error | |
684 | */ | |
460b9539 | 685 | static int validate_isreg(const struct config_state *cs, |
686 | int nvec, char **vec) { | |
687 | VALIDATE_FILE(S_ISREG, "regular file"); | |
688 | return 0; | |
689 | } | |
690 | ||
34d37b3e RK |
691 | /** @brief Validate a player pattern |
692 | * @param cs Configuration state | |
693 | * @param nvec Length of (proposed) new value | |
694 | * @param vec Elements of new value | |
695 | * @return 0 on success, non-0 on error | |
696 | */ | |
460b9539 | 697 | static int validate_player(const struct config_state *cs, |
698 | int nvec, | |
699 | char attribute((unused)) **vec) { | |
ec554a3d | 700 | if(nvec && nvec < 2) { |
2e9ba080 RK |
701 | disorder_error(0, "%s:%d: should be at least 'player PATTERN MODULE'", |
702 | cs->path, cs->line); | |
460b9539 | 703 | return -1; |
704 | } | |
705 | return 0; | |
706 | } | |
707 | ||
34d37b3e RK |
708 | /** @brief Validate a track length pattern |
709 | * @param cs Configuration state | |
710 | * @param nvec Length of (proposed) new value | |
711 | * @param vec Elements of new value | |
712 | * @return 0 on success, non-0 on error | |
713 | */ | |
62dc3748 RK |
714 | static int validate_tracklength(const struct config_state *cs, |
715 | int nvec, | |
716 | char attribute((unused)) **vec) { | |
ec554a3d | 717 | if(nvec && nvec < 2) { |
2e9ba080 RK |
718 | disorder_error(0, "%s:%d: should be at least 'tracklength PATTERN MODULE'", |
719 | cs->path, cs->line); | |
62dc3748 RK |
720 | return -1; |
721 | } | |
722 | return 0; | |
723 | } | |
724 | ||
34d37b3e RK |
725 | /** @brief Validate a non-negative (@c long) integer |
726 | * @param cs Configuration state | |
727 | * @param nvec Length of (proposed) new value | |
728 | * @param vec Elements of new value | |
729 | * @return 0 on success, non-0 on error | |
730 | */ | |
460b9539 | 731 | static int validate_non_negative(const struct config_state *cs, |
732 | int nvec, char **vec) { | |
733 | long n; | |
734 | ||
735 | if(nvec < 1) { | |
2e9ba080 | 736 | disorder_error(0, "%s:%d: missing argument", cs->path, cs->line); |
460b9539 | 737 | return -1; |
738 | } | |
739 | if(nvec > 1) { | |
2e9ba080 | 740 | disorder_error(0, "%s:%d: too many arguments", cs->path, cs->line); |
460b9539 | 741 | return -1; |
742 | } | |
743 | if(xstrtol(&n, vec[0], 0, 0)) { | |
2e9ba080 | 744 | disorder_error(0, "%s:%d: %s", cs->path, cs->line, strerror(errno)); |
460b9539 | 745 | return -1; |
746 | } | |
747 | if(n < 0) { | |
2e9ba080 | 748 | disorder_error(0, "%s:%d: must not be negative", cs->path, cs->line); |
460b9539 | 749 | return -1; |
750 | } | |
751 | return 0; | |
752 | } | |
753 | ||
34d37b3e RK |
754 | /** @brief Validate a positive (@c long) integer |
755 | * @param cs Configuration state | |
756 | * @param nvec Length of (proposed) new value | |
757 | * @param vec Elements of new value | |
758 | * @return 0 on success, non-0 on error | |
759 | */ | |
460b9539 | 760 | static int validate_positive(const struct config_state *cs, |
761 | int nvec, char **vec) { | |
762 | long n; | |
763 | ||
764 | if(nvec < 1) { | |
2e9ba080 | 765 | disorder_error(0, "%s:%d: missing argument", cs->path, cs->line); |
460b9539 | 766 | return -1; |
767 | } | |
768 | if(nvec > 1) { | |
2e9ba080 | 769 | disorder_error(0, "%s:%d: too many arguments", cs->path, cs->line); |
460b9539 | 770 | return -1; |
771 | } | |
772 | if(xstrtol(&n, vec[0], 0, 0)) { | |
2e9ba080 | 773 | disorder_error(0, "%s:%d: %s", cs->path, cs->line, strerror(errno)); |
460b9539 | 774 | return -1; |
775 | } | |
776 | if(n <= 0) { | |
2e9ba080 | 777 | disorder_error(0, "%s:%d: must be positive", cs->path, cs->line); |
460b9539 | 778 | return -1; |
779 | } | |
780 | return 0; | |
781 | } | |
782 | ||
34d37b3e RK |
783 | /** @brief Validate a system username |
784 | * @param cs Configuration state | |
785 | * @param nvec Length of (proposed) new value | |
786 | * @param vec Elements of new value | |
787 | * @return 0 on success, non-0 on error | |
788 | */ | |
460b9539 | 789 | static int validate_isauser(const struct config_state *cs, |
790 | int attribute((unused)) nvec, | |
791 | char **vec) { | |
b3756e27 | 792 | if(!getpwnam(vec[0])) { |
2e9ba080 | 793 | disorder_error(0, "%s:%d: no such user as '%s'", cs->path, cs->line, vec[0]); |
460b9539 | 794 | return -1; |
795 | } | |
796 | return 0; | |
797 | } | |
798 | ||
34d37b3e RK |
799 | /** @brief Validate a sample format string |
800 | * @param cs Configuration state | |
801 | * @param nvec Length of (proposed) new value | |
802 | * @param vec Elements of new value | |
803 | * @return 0 on success, non-0 on error | |
804 | */ | |
9d5da576 | 805 | static int validate_sample_format(const struct config_state *cs, |
806 | int attribute((unused)) nvec, | |
807 | char **vec) { | |
808 | return parse_sample_format(cs, 0, nvec, vec); | |
809 | } | |
810 | ||
34d37b3e RK |
811 | /** @brief Validate anything |
812 | * @param cs Configuration state | |
813 | * @param nvec Length of (proposed) new value | |
814 | * @param vec Elements of new value | |
815 | * @return 0 | |
816 | */ | |
460b9539 | 817 | static int validate_any(const struct config_state attribute((unused)) *cs, |
818 | int attribute((unused)) nvec, | |
819 | char attribute((unused)) **vec) { | |
820 | return 0; | |
821 | } | |
822 | ||
34d37b3e RK |
823 | /** @brief Validate a URL |
824 | * @param cs Configuration state | |
825 | * @param nvec Length of (proposed) new value | |
826 | * @param vec Elements of new value | |
827 | * @return 0 on success, non-0 on error | |
828 | * | |
829 | * Rather cursory. | |
830 | */ | |
460b9539 | 831 | static int validate_url(const struct config_state attribute((unused)) *cs, |
832 | int attribute((unused)) nvec, | |
833 | char **vec) { | |
834 | const char *s; | |
835 | int n; | |
836 | /* absoluteURI = scheme ":" ( hier_part | opaque_part ) | |
837 | scheme = alpha *( alpha | digit | "+" | "-" | "." ) */ | |
838 | s = vec[0]; | |
839 | n = strspn(s, ("abcdefghijklmnopqrstuvwxyz" | |
840 | "ABCDEFGHIJKLMNOPQRSTUVWXYZ" | |
841 | "0123456789")); | |
842 | if(s[n] != ':') { | |
2e9ba080 | 843 | disorder_error(0, "%s:%d: invalid url '%s'", cs->path, cs->line, vec[0]); |
460b9539 | 844 | return -1; |
845 | } | |
846 | if(!strncmp(s, "http:", 5) | |
847 | || !strncmp(s, "https:", 6)) { | |
848 | s += n + 1; | |
849 | /* we only do a rather cursory check */ | |
850 | if(strncmp(s, "//", 2)) { | |
2e9ba080 | 851 | disorder_error(0, "%s:%d: invalid url '%s'", cs->path, cs->line, vec[0]); |
460b9539 | 852 | return -1; |
853 | } | |
854 | } | |
855 | return 0; | |
856 | } | |
857 | ||
34d37b3e RK |
858 | /** @brief Validate an alias pattern |
859 | * @param cs Configuration state | |
860 | * @param nvec Length of (proposed) new value | |
861 | * @param vec Elements of new value | |
862 | * @return 0 on success, non-0 on error | |
863 | */ | |
460b9539 | 864 | static int validate_alias(const struct config_state *cs, |
865 | int nvec, | |
866 | char **vec) { | |
867 | const char *s; | |
868 | int in_brackets = 0, c; | |
869 | ||
870 | if(nvec < 1) { | |
2e9ba080 | 871 | disorder_error(0, "%s:%d: missing argument", cs->path, cs->line); |
460b9539 | 872 | return -1; |
873 | } | |
874 | if(nvec > 1) { | |
2e9ba080 | 875 | disorder_error(0, "%s:%d: too many arguments", cs->path, cs->line); |
460b9539 | 876 | return -1; |
877 | } | |
878 | s = vec[0]; | |
879 | while((c = (unsigned char)*s++)) { | |
880 | if(in_brackets) { | |
881 | if(c == '}') | |
882 | in_brackets = 0; | |
883 | else if(!isalnum(c)) { | |
2e9ba080 RK |
884 | disorder_error(0, "%s:%d: invalid part name in alias expansion in '%s'", |
885 | cs->path, cs->line, vec[0]); | |
460b9539 | 886 | return -1; |
887 | } | |
888 | } else { | |
889 | if(c == '{') { | |
890 | in_brackets = 1; | |
891 | if(*s == '/') | |
892 | ++s; | |
893 | } else if(c == '\\') { | |
894 | if(!(c = (unsigned char)*s++)) { | |
2e9ba080 RK |
895 | disorder_error(0, "%s:%d: unterminated escape in alias expansion in '%s'", |
896 | cs->path, cs->line, vec[0]); | |
460b9539 | 897 | return -1; |
898 | } else if(c != '\\' && c != '{') { | |
2e9ba080 RK |
899 | disorder_error(0, "%s:%d: invalid escape in alias expansion in '%s'", |
900 | cs->path, cs->line, vec[0]); | |
460b9539 | 901 | return -1; |
902 | } | |
903 | } | |
904 | } | |
905 | ++s; | |
906 | } | |
907 | if(in_brackets) { | |
2e9ba080 RK |
908 | disorder_error(0, |
909 | "%s:%d: unterminated part name in alias expansion in '%s'", | |
910 | cs->path, cs->line, vec[0]); | |
460b9539 | 911 | return -1; |
912 | } | |
913 | return 0; | |
914 | } | |
915 | ||
34d37b3e RK |
916 | /** @brief Validate a hash algorithm name |
917 | * @param cs Configuration state | |
918 | * @param nvec Length of (proposed) new value | |
919 | * @param vec Elements of new value | |
920 | * @return 0 on success, non-0 on error | |
921 | */ | |
637fdea3 RK |
922 | static int validate_algo(const struct config_state attribute((unused)) *cs, |
923 | int nvec, | |
924 | char **vec) { | |
925 | if(nvec != 1) { | |
2e9ba080 | 926 | disorder_error(0, "%s:%d: invalid algorithm specification", cs->path, cs->line); |
637fdea3 RK |
927 | return -1; |
928 | } | |
929 | if(!valid_authhash(vec[0])) { | |
2e9ba080 | 930 | disorder_error(0, "%s:%d: unsuported algorithm '%s'", cs->path, cs->line, vec[0]); |
637fdea3 RK |
931 | return -1; |
932 | } | |
933 | return 0; | |
934 | } | |
935 | ||
34d37b3e RK |
936 | /** @brief Validate a playback backend name |
937 | * @param cs Configuration state | |
938 | * @param nvec Length of (proposed) new value | |
939 | * @param vec Elements of new value | |
940 | * @return 0 on success, non-0 on error | |
941 | */ | |
b50cfb8a RK |
942 | static int validate_backend(const struct config_state attribute((unused)) *cs, |
943 | int nvec, | |
944 | char **vec) { | |
945 | int n; | |
946 | if(nvec != 1) { | |
2e9ba080 | 947 | disorder_error(0, "%s:%d: invalid sound API specification", cs->path, cs->line); |
b50cfb8a RK |
948 | return -1; |
949 | } | |
950 | if(!strcmp(vec[0], "network")) { | |
2e9ba080 | 951 | disorder_error(0, "'api network' is deprecated; use 'api rtp'"); |
b50cfb8a RK |
952 | return 0; |
953 | } | |
954 | if(config_uaudio_apis) { | |
955 | for(n = 0; config_uaudio_apis[n]; ++n) | |
956 | if(!strcmp(vec[0], config_uaudio_apis[n]->name)) | |
957 | return 0; | |
2e9ba080 | 958 | disorder_error(0, "%s:%d: unrecognized sound API '%s'", cs->path, cs->line, vec[0]); |
b50cfb8a RK |
959 | return -1; |
960 | } | |
961 | /* In non-server processes we have no idea what's valid */ | |
962 | return 0; | |
963 | } | |
964 | ||
34d37b3e RK |
965 | /** @brief Validate a pause mode string |
966 | * @param cs Configuration state | |
967 | * @param nvec Length of (proposed) new value | |
968 | * @param vec Elements of new value | |
969 | * @return 0 on success, non-0 on error | |
970 | */ | |
f75ab9d3 RK |
971 | static int validate_pausemode(const struct config_state attribute((unused)) *cs, |
972 | int nvec, | |
973 | char **vec) { | |
974 | if(nvec == 1 && (!strcmp(vec[0], "silence") || !strcmp(vec[0], "suspend"))) | |
975 | return 0; | |
2e9ba080 | 976 | disorder_error(0, "%s:%d: invalid pause mode", cs->path, cs->line); |
f75ab9d3 RK |
977 | return -1; |
978 | } | |
979 | ||
34d37b3e RK |
980 | /** @brief Validate a destination network address |
981 | * @param cs Configuration state | |
982 | * @param nvec Length of (proposed) new value | |
983 | * @param vec Elements of new value | |
984 | * @return 0 on success, non-0 on error | |
985 | * | |
986 | * By a destination address, it is meant that it must not be a wildcard | |
987 | * address. | |
988 | */ | |
76e72f65 RK |
989 | static int validate_destaddr(const struct config_state attribute((unused)) *cs, |
990 | int nvec, | |
991 | char **vec) { | |
992 | struct netaddress na[1]; | |
993 | ||
994 | if(netaddress_parse(na, nvec, vec)) { | |
2e9ba080 | 995 | disorder_error(0, "%s:%d: invalid network address", cs->path, cs->line); |
76e72f65 RK |
996 | return -1; |
997 | } | |
998 | if(!na->address) { | |
2e9ba080 | 999 | disorder_error(0, "%s:%d: destination address required", cs->path, cs->line); |
76e72f65 RK |
1000 | return -1; |
1001 | } | |
47854c5f | 1002 | xfree(na->address); |
76e72f65 RK |
1003 | return 0; |
1004 | } | |
1005 | ||
3f3bb97b | 1006 | /** @brief Item name and and offset */ |
460b9539 | 1007 | #define C(x) #x, offsetof(struct config, x) |
3f3bb97b | 1008 | /** @brief Item name and and offset */ |
460b9539 | 1009 | #define C2(x,y) #x, offsetof(struct config, y) |
1010 | ||
3f3bb97b | 1011 | /** @brief All configuration items */ |
460b9539 | 1012 | static const struct conf conf[] = { |
1013 | { C(alias), &type_string, validate_alias }, | |
b50cfb8a | 1014 | { C(api), &type_string, validate_backend }, |
637fdea3 | 1015 | { C(authorization_algorithm), &type_string, validate_algo }, |
76e72f65 RK |
1016 | { C(broadcast), &type_netaddress, validate_destaddr }, |
1017 | { C(broadcast_from), &type_netaddress, validate_any }, | |
bd8895a8 | 1018 | { C(channel), &type_string, validate_any }, |
460b9539 | 1019 | { C(checkpoint_kbyte), &type_integer, validate_non_negative }, |
1020 | { C(checkpoint_min), &type_integer, validate_non_negative }, | |
1021 | { C(collection), &type_collections, validate_any }, | |
e41a9999 | 1022 | { C(connect), &type_netaddress, validate_destaddr }, |
b12be54a | 1023 | { C(cookie_key_lifetime), &type_integer, validate_positive }, |
2a1c84fb | 1024 | { C(cookie_login_lifetime), &type_integer, validate_positive }, |
8818b7fc | 1025 | { C(dbversion), &type_integer, validate_positive }, |
04e1fa7c | 1026 | { C(default_rights), &type_rights, validate_any }, |
460b9539 | 1027 | { C(device), &type_string, validate_any }, |
460b9539 | 1028 | { C(history), &type_integer, validate_positive }, |
659d87e8 | 1029 | { C(home), &type_string, validate_isabspath }, |
80dc2c5f | 1030 | { C(listen), &type_netaddress, validate_any }, |
bb6ae3fb | 1031 | { C(mail_sender), &type_string, validate_any }, |
bd8895a8 | 1032 | { C(mixer), &type_string, validate_any }, |
8488cf7d | 1033 | { C(mount_rescan), &type_boolean, validate_any }, |
61941295 | 1034 | { C(multicast_loop), &type_boolean, validate_any }, |
23205f9c | 1035 | { C(multicast_ttl), &type_integer, validate_non_negative }, |
460b9539 | 1036 | { C(namepart), &type_namepart, validate_any }, |
05dcfac6 RK |
1037 | { C(new_bias), &type_integer, validate_positive }, |
1038 | { C(new_bias_age), &type_integer, validate_positive }, | |
d742bb47 | 1039 | { C(new_max), &type_integer, validate_positive }, |
460b9539 | 1040 | { C2(nice, nice_rescan), &type_integer, validate_non_negative }, |
1041 | { C(nice_rescan), &type_integer, validate_non_negative }, | |
1042 | { C(nice_server), &type_integer, validate_any }, | |
1043 | { C(nice_speaker), &type_integer, validate_any }, | |
2a10b70b | 1044 | { C(noticed_history), &type_integer, validate_positive }, |
460b9539 | 1045 | { C(password), &type_string, validate_any }, |
f75ab9d3 | 1046 | { C(pause_mode), &type_string, validate_pausemode }, |
460b9539 | 1047 | { C(player), &type_stringlist_accum, validate_player }, |
ddbf05c8 | 1048 | { C(playlist_lock_timeout), &type_integer, validate_positive }, |
2563dc1f | 1049 | { C(playlist_max) , &type_integer, validate_positive }, |
460b9539 | 1050 | { C(plugins), &type_string_accum, validate_isdir }, |
459d4402 | 1051 | { C(queue_pad), &type_integer, validate_positive }, |
460b9539 | 1052 | { C(refresh), &type_integer, validate_positive }, |
533272be | 1053 | { C(refresh_min), &type_integer, validate_non_negative }, |
6207d2f3 | 1054 | { C(reminder_interval), &type_integer, validate_positive }, |
810b8083 | 1055 | { C(remote_userman), &type_boolean, validate_any }, |
2a1c84fb | 1056 | { C(replay_min), &type_integer, validate_non_negative }, |
ba70caca | 1057 | { C(rtp_delay_threshold), &type_integer, validate_positive }, |
87864f77 | 1058 | { C(rtp_verbose), &type_boolean, validate_any }, |
9d5da576 | 1059 | { C(sample_format), &type_sample_format, validate_sample_format }, |
460b9539 | 1060 | { C(scratch), &type_string_accum, validate_isreg }, |
2eee4b0c | 1061 | { C(sendmail), &type_string, validate_isabspath }, |
61507e3c | 1062 | { C(short_display), &type_integer, validate_positive }, |
460b9539 | 1063 | { C(signal), &type_signal, validate_any }, |
bb6ae3fb | 1064 | { C(smtp_server), &type_string, validate_any }, |
5330d674 | 1065 | { C(sox_generation), &type_integer, validate_non_negative }, |
b50cfb8a | 1066 | { C2(speaker_backend, api), &type_string, validate_backend }, |
9d5da576 | 1067 | { C(speaker_command), &type_string, validate_any }, |
460b9539 | 1068 | { C(stopword), &type_string_accum, validate_any }, |
1069 | { C(templates), &type_string_accum, validate_isdir }, | |
62dc3748 | 1070 | { C(tracklength), &type_stringlist_accum, validate_tracklength }, |
460b9539 | 1071 | { C(transform), &type_transform, validate_any }, |
460b9539 | 1072 | { C(url), &type_string, validate_url }, |
1073 | { C(user), &type_string, validate_isauser }, | |
1074 | { C(username), &type_string, validate_any }, | |
1075 | }; | |
1076 | ||
3f3bb97b | 1077 | /** @brief Find a configuration item's definition by key */ |
460b9539 | 1078 | static const struct conf *find(const char *key) { |
1079 | int n; | |
1080 | ||
ba937f01 | 1081 | if((n = TABLE_FIND(conf, name, key)) < 0) |
460b9539 | 1082 | return 0; |
1083 | return &conf[n]; | |
1084 | } | |
1085 | ||
34d37b3e RK |
1086 | /** @brief Set a new configuration value |
1087 | * @param cs Configuration state | |
1088 | * @param nvec Length of @p vec | |
1089 | * @param vec Name and new value | |
1090 | * @return 0 on success, non-0 on error. | |
1091 | * | |
1092 | * @c vec[0] is the name, the rest is the value. | |
1093 | */ | |
460b9539 | 1094 | static int config_set(const struct config_state *cs, |
1095 | int nvec, char **vec) { | |
1096 | const struct conf *which; | |
1097 | ||
1098 | D(("config_set %s", vec[0])); | |
1099 | if(!(which = find(vec[0]))) { | |
2e9ba080 | 1100 | disorder_error(0, "%s:%d: unknown configuration key '%s'", |
460b9539 | 1101 | cs->path, cs->line, vec[0]); |
1102 | return -1; | |
1103 | } | |
1104 | return (which->validate(cs, nvec - 1, vec + 1) | |
1105 | || which->type->set(cs, which, nvec - 1, vec + 1)); | |
1106 | } | |
1107 | ||
34d37b3e RK |
1108 | /** @brief Set a configuration item from parameters |
1109 | * @param cs Configuration state | |
1110 | * @param which Item to set | |
1111 | * @param ... Value as strings, terminated by (char *)NULL | |
1112 | * @return 0 on success, non-0 on error | |
1113 | */ | |
e6a35d1c RK |
1114 | static int config_set_args(const struct config_state *cs, |
1115 | const char *which, ...) { | |
1116 | va_list ap; | |
1117 | struct vector v[1]; | |
1118 | char *s; | |
1119 | ||
1120 | vector_init(v); | |
1121 | vector_append(v, (char *)which); | |
1122 | va_start(ap, which); | |
1123 | while((s = va_arg(ap, char *))) | |
1124 | vector_append(v, s); | |
1125 | va_end(ap); | |
1126 | vector_terminate(v); | |
47854c5f RK |
1127 | int rc = config_set(cs, v->nvec, v->vec); |
1128 | xfree(v->vec); | |
1129 | return rc; | |
e6a35d1c RK |
1130 | } |
1131 | ||
34d37b3e RK |
1132 | /** @brief Error callback used by config_include() |
1133 | * @param msg Error message | |
1134 | * @param u User data (@ref config_state) | |
1135 | */ | |
460b9539 | 1136 | static void config_error(const char *msg, void *u) { |
1137 | const struct config_state *cs = u; | |
1138 | ||
2e9ba080 | 1139 | disorder_error(0, "%s:%d: %s", cs->path, cs->line, msg); |
460b9539 | 1140 | } |
1141 | ||
34d37b3e RK |
1142 | /** @brief Include a file by name |
1143 | * @param c Configuration to update | |
1144 | * @param path Path to read | |
1145 | * @return 0 on success, non-0 on error | |
1146 | */ | |
460b9539 | 1147 | static int config_include(struct config *c, const char *path) { |
1148 | FILE *fp; | |
1149 | char *buffer, *inputbuffer, **vec; | |
1150 | int n, ret = 0; | |
1151 | struct config_state cs; | |
1152 | ||
1153 | cs.path = path; | |
1154 | cs.line = 0; | |
1155 | cs.config = c; | |
1156 | D(("%s: reading configuration", path)); | |
1157 | if(!(fp = fopen(path, "r"))) { | |
2e9ba080 | 1158 | disorder_error(errno, "error opening %s", path); |
460b9539 | 1159 | return -1; |
1160 | } | |
1161 | while(!inputline(path, fp, &inputbuffer, '\n')) { | |
1162 | ++cs.line; | |
1163 | if(!(buffer = mb2utf8(inputbuffer))) { | |
2e9ba080 | 1164 | disorder_error(errno, "%s:%d: cannot convert to UTF-8", cs.path, cs.line); |
460b9539 | 1165 | ret = -1; |
1166 | xfree(inputbuffer); | |
1167 | continue; | |
1168 | } | |
1169 | xfree(inputbuffer); | |
1170 | if(!(vec = split(buffer, &n, SPLIT_COMMENTS|SPLIT_QUOTES, | |
1171 | config_error, &cs))) { | |
1172 | ret = -1; | |
1173 | xfree(buffer); | |
1174 | continue; | |
1175 | } | |
1176 | if(n) { | |
34d37b3e | 1177 | /* 'include' is special-cased */ |
460b9539 | 1178 | if(!strcmp(vec[0], "include")) { |
1179 | if(n != 2) { | |
2e9ba080 | 1180 | disorder_error(0, "%s:%d: must be 'include PATH'", cs.path, cs.line); |
460b9539 | 1181 | ret = -1; |
1182 | } else | |
1183 | config_include(c, vec[1]); | |
1184 | } else | |
1185 | ret |= config_set(&cs, n, vec); | |
1186 | } | |
1187 | for(n = 0; vec[n]; ++n) xfree(vec[n]); | |
1188 | xfree(vec); | |
1189 | xfree(buffer); | |
1190 | } | |
1191 | if(ferror(fp)) { | |
2e9ba080 | 1192 | disorder_error(errno, "error reading %s", path); |
460b9539 | 1193 | ret = -1; |
1194 | } | |
1195 | fclose(fp); | |
1196 | return ret; | |
1197 | } | |
1198 | ||
34d37b3e | 1199 | /** @brief Default stopword setting */ |
86be0c30 | 1200 | static const char *const default_stopwords[] = { |
1201 | "stopword", | |
1202 | ||
1203 | "01", | |
1204 | "02", | |
1205 | "03", | |
1206 | "04", | |
1207 | "05", | |
1208 | "06", | |
1209 | "07", | |
1210 | "08", | |
1211 | "09", | |
1212 | "1", | |
1213 | "10", | |
1214 | "11", | |
1215 | "12", | |
1216 | "13", | |
1217 | "14", | |
1218 | "15", | |
1219 | "16", | |
1220 | "17", | |
1221 | "18", | |
1222 | "19", | |
1223 | "2", | |
1224 | "20", | |
1225 | "21", | |
1226 | "22", | |
1227 | "23", | |
1228 | "24", | |
1229 | "25", | |
1230 | "26", | |
1231 | "27", | |
1232 | "28", | |
1233 | "29", | |
1234 | "3", | |
1235 | "30", | |
1236 | "4", | |
1237 | "5", | |
1238 | "6", | |
1239 | "7", | |
1240 | "8", | |
1241 | "9", | |
1242 | "a", | |
1243 | "am", | |
1244 | "an", | |
1245 | "and", | |
1246 | "as", | |
1247 | "for", | |
1248 | "i", | |
1249 | "im", | |
1250 | "in", | |
1251 | "is", | |
1252 | "of", | |
1253 | "on", | |
1254 | "the", | |
1255 | "to", | |
1256 | "too", | |
1257 | "we", | |
1258 | }; | |
1259 | #define NDEFAULT_STOPWORDS (sizeof default_stopwords / sizeof *default_stopwords) | |
1260 | ||
34d37b3e | 1261 | /** @brief Default player patterns */ |
e6a35d1c RK |
1262 | static const char *const default_players[] = { |
1263 | "*.ogg", | |
1264 | "*.flac", | |
1265 | "*.mp3", | |
1266 | "*.wav", | |
1267 | }; | |
1268 | #define NDEFAULT_PLAYERS (sizeof default_players / sizeof *default_players) | |
1269 | ||
34d37b3e RK |
1270 | /** @brief Make a new default configuration |
1271 | * @return New configuration | |
1272 | */ | |
460b9539 | 1273 | static struct config *config_default(void) { |
1274 | struct config *c = xmalloc(sizeof *c); | |
1275 | const char *logname; | |
1276 | struct passwd *pw; | |
86be0c30 | 1277 | struct config_state cs; |
e6a35d1c | 1278 | size_t n; |
460b9539 | 1279 | |
86be0c30 | 1280 | cs.path = "<internal>"; |
1281 | cs.line = 0; | |
1282 | cs.config = c; | |
460b9539 | 1283 | /* Strings had better be xstrdup'd as they will get freed at some point. */ |
460b9539 | 1284 | c->history = 60; |
1285 | c->home = xstrdup(pkgstatedir); | |
1286 | if(!(pw = getpwuid(getuid()))) | |
2e9ba080 | 1287 | disorder_fatal(0, "cannot determine our username"); |
460b9539 | 1288 | logname = pw->pw_name; |
1289 | c->username = xstrdup(logname); | |
1290 | c->refresh = 15; | |
533272be | 1291 | c->refresh_min = 1; |
460b9539 | 1292 | c->signal = SIGKILL; |
1293 | c->alias = xstrdup("{/artist}{/album}{/title}{ext}"); | |
460b9539 | 1294 | c->device = xstrdup("default"); |
1295 | c->nice_rescan = 10; | |
9d5da576 | 1296 | c->speaker_command = 0; |
1297 | c->sample_format.bits = 16; | |
1298 | c->sample_format.rate = 44100; | |
1299 | c->sample_format.channels = 2; | |
6d2d327c | 1300 | c->sample_format.endian = ENDIAN_NATIVE; |
459d4402 | 1301 | c->queue_pad = 10; |
cebe3127 | 1302 | c->replay_min = 8 * 3600; |
b50cfb8a | 1303 | c->api = NULL; |
23205f9c | 1304 | c->multicast_ttl = 1; |
61941295 | 1305 | c->multicast_loop = 1; |
637fdea3 | 1306 | c->authorization_algorithm = xstrdup("sha1"); |
2a10b70b | 1307 | c->noticed_history = 31; |
61507e3c | 1308 | c->short_display = 32; |
bd8895a8 | 1309 | c->mixer = 0; |
1310 | c->channel = 0; | |
8818b7fc | 1311 | c->dbversion = 2; |
b12be54a RK |
1312 | c->cookie_login_lifetime = 86400; |
1313 | c->cookie_key_lifetime = 86400 * 7; | |
2eee4b0c RK |
1314 | if(sendmail_binary[0] && strcmp(sendmail_binary, "none")) |
1315 | c->sendmail = xstrdup(sendmail_binary); | |
bb6ae3fb | 1316 | c->smtp_server = xstrdup("127.0.0.1"); |
d742bb47 | 1317 | c->new_max = 100; |
6207d2f3 | 1318 | c->reminder_interval = 600; /* 10m */ |
05dcfac6 | 1319 | c->new_bias_age = 7 * 86400; /* 1 week */ |
6151ae7e | 1320 | c->new_bias = 4500000; /* 50 times the base weight */ |
419893d7 | 1321 | c->sox_generation = DEFAULT_SOX_GENERATION; |
2563dc1f | 1322 | c->playlist_max = INT_MAX; /* effectively no limit */ |
ddbf05c8 | 1323 | c->playlist_lock_timeout = 10; /* 10s */ |
8488cf7d | 1324 | c->mount_rescan = 1; |
e6a35d1c | 1325 | /* Default stopwords */ |
86be0c30 | 1326 | if(config_set(&cs, (int)NDEFAULT_STOPWORDS, (char **)default_stopwords)) |
1327 | exit(1); | |
e6a35d1c RK |
1328 | /* Default player configuration */ |
1329 | for(n = 0; n < NDEFAULT_PLAYERS; ++n) { | |
1330 | if(config_set_args(&cs, "player", | |
1331 | default_players[n], "execraw", "disorder-decode", (char *)0)) | |
1332 | exit(1); | |
1333 | if(config_set_args(&cs, "tracklength", | |
1334 | default_players[n], "disorder-tracklength", (char *)0)) | |
1335 | exit(1); | |
1336 | } | |
76e72f65 RK |
1337 | c->broadcast.af = -1; |
1338 | c->broadcast_from.af = -1; | |
80dc2c5f | 1339 | c->listen.af = -1; |
e41a9999 | 1340 | c->connect.af = -1; |
460b9539 | 1341 | return c; |
1342 | } | |
1343 | ||
34d37b3e RK |
1344 | /** @brief Construct a filename |
1345 | * @param c Configuration | |
1346 | * @param name Base filename | |
1347 | * @return Full filename | |
1348 | * | |
1349 | * Usually use config_get_file() instead. | |
1350 | */ | |
319d7107 | 1351 | char *config_get_file2(struct config *c, const char *name) { |
460b9539 | 1352 | char *s; |
1353 | ||
1354 | byte_xasprintf(&s, "%s/%s", c->home, name); | |
1355 | return s; | |
1356 | } | |
1357 | ||
3f3bb97b | 1358 | /** @brief Set the default configuration file */ |
460b9539 | 1359 | static void set_configfile(void) { |
1360 | if(!configfile) | |
1361 | byte_xasprintf(&configfile, "%s/config", pkgconfdir); | |
1362 | } | |
1363 | ||
34d37b3e RK |
1364 | /** @brief Free a configuration object |
1365 | * @param c Configuration to free | |
1366 | * | |
1367 | * @p c is indeterminate after this function is called. | |
1368 | */ | |
47854c5f | 1369 | void config_free(struct config *c) { |
460b9539 | 1370 | int n; |
1371 | ||
1372 | if(c) { | |
1373 | for(n = 0; n < (int)(sizeof conf / sizeof *conf); ++n) | |
1374 | conf[n].type->free(c, &conf[n]); | |
1375 | for(n = 0; n < c->nparts; ++n) | |
1376 | xfree(c->parts[n]); | |
1377 | xfree(c->parts); | |
1378 | xfree(c); | |
1379 | } | |
1380 | } | |
1381 | ||
34d37b3e RK |
1382 | /** @brief Set post-parse defaults |
1383 | * @param c Configuration to update | |
1384 | * @param server True when running in the server | |
1385 | * | |
1386 | * If @p server is set then certain parts of the configuration are more | |
1387 | * strictly validated. | |
1388 | */ | |
c00fce3a RK |
1389 | static void config_postdefaults(struct config *c, |
1390 | int server) { | |
460b9539 | 1391 | struct config_state cs; |
1392 | const struct conf *whoami; | |
1393 | int n; | |
1394 | ||
1395 | static const char *namepart[][4] = { | |
bcf50f5c | 1396 | { "title", "/([0-9]+ *[-:]? *)?([^/]+)\\.[a-zA-Z0-9]+$", "$2", "display" }, |
460b9539 | 1397 | { "title", "/([^/]+)\\.[a-zA-Z0-9]+$", "$1", "sort" }, |
1398 | { "album", "/([^/]+)/[^/]+$", "$1", "*" }, | |
1399 | { "artist", "/([^/]+)/[^/]+/[^/]+$", "$1", "*" }, | |
1400 | { "ext", "(\\.[a-zA-Z0-9]+)$", "$1", "*" }, | |
1401 | }; | |
1402 | #define NNAMEPART (int)(sizeof namepart / sizeof *namepart) | |
1403 | ||
1404 | static const char *transform[][5] = { | |
bcf50f5c | 1405 | { "track", "^.*/([0-9]+ *[-:]? *)?([^/]+)\\.[a-zA-Z0-9]+$", "$2", "display", "" }, |
460b9539 | 1406 | { "track", "^.*/([^/]+)\\.[a-zA-Z0-9]+$", "$1", "sort", "" }, |
1407 | { "dir", "^.*/([^/]+)$", "$1", "*", "" }, | |
1408 | { "dir", "^(the) ([^/]*)", "$2, $1", "sort", "i", }, | |
1409 | { "dir", "[[:punct:]]", "", "sort", "g", } | |
1410 | }; | |
1411 | #define NTRANSFORM (int)(sizeof transform / sizeof *transform) | |
1412 | ||
1413 | cs.path = "<internal>"; | |
1414 | cs.line = 0; | |
1415 | cs.config = c; | |
1416 | if(!c->namepart.n) { | |
1417 | whoami = find("namepart"); | |
1418 | for(n = 0; n < NNAMEPART; ++n) | |
1419 | set_namepart(&cs, whoami, 4, (char **)namepart[n]); | |
1420 | } | |
1421 | if(!c->transform.n) { | |
1422 | whoami = find("transform"); | |
1423 | for(n = 0; n < NTRANSFORM; ++n) | |
1424 | set_transform(&cs, whoami, 5, (char **)transform[n]); | |
1425 | } | |
b50cfb8a | 1426 | if(!c->api) { |
e83d0967 | 1427 | if(c->speaker_command) |
b50cfb8a | 1428 | c->api = xstrdup("command"); |
76e72f65 | 1429 | else if(c->broadcast.af != -1) |
b50cfb8a RK |
1430 | c->api = xstrdup("rtp"); |
1431 | else if(config_uaudio_apis) | |
06385470 RK |
1432 | c->api = xstrdup(uaudio_default(config_uaudio_apis, |
1433 | UAUDIO_API_SERVER)->name); | |
8aae240b | 1434 | else |
b50cfb8a | 1435 | c->api = xstrdup("<none>"); |
e83d0967 | 1436 | } |
b50cfb8a RK |
1437 | if(!strcmp(c->api, "network")) |
1438 | c->api = xstrdup("rtp"); | |
c00fce3a | 1439 | if(server) { |
b50cfb8a | 1440 | if(!strcmp(c->api, "command") && !c->speaker_command) |
2e9ba080 | 1441 | disorder_fatal(0, "'api command' but speaker_command is not set"); |
76e72f65 | 1442 | if((!strcmp(c->api, "rtp")) && c->broadcast.af == -1) |
2e9ba080 | 1443 | disorder_fatal(0, "'api rtp' but broadcast is not set"); |
c00fce3a | 1444 | } |
e99d42b1 | 1445 | /* Override sample format */ |
b50cfb8a | 1446 | if(!strcmp(c->api, "rtp")) { |
6d2d327c RK |
1447 | c->sample_format.rate = 44100; |
1448 | c->sample_format.channels = 2; | |
1449 | c->sample_format.bits = 16; | |
b50cfb8a RK |
1450 | c->sample_format.endian = ENDIAN_NATIVE; |
1451 | } | |
1452 | if(!strcmp(c->api, "coreaudio")) { | |
937be4c0 RK |
1453 | c->sample_format.rate = 44100; |
1454 | c->sample_format.channels = 2; | |
1455 | c->sample_format.bits = 16; | |
1456 | c->sample_format.endian = ENDIAN_NATIVE; | |
04e1fa7c RK |
1457 | } |
1458 | if(!c->default_rights) { | |
1459 | rights_type r = RIGHTS__MASK & ~(RIGHT_ADMIN|RIGHT_REGISTER | |
1460 | |RIGHT_MOVE__MASK | |
1461 | |RIGHT_SCRATCH__MASK | |
1462 | |RIGHT_REMOVE__MASK); | |
657fdb79 | 1463 | r |= RIGHT_SCRATCH_ANY|RIGHT_MOVE_ANY|RIGHT_REMOVE_ANY; |
0f55e905 | 1464 | c->default_rights = rights_string(r); |
04e1fa7c | 1465 | } |
460b9539 | 1466 | } |
1467 | ||
c00fce3a RK |
1468 | /** @brief (Re-)read the config file |
1469 | * @param server If set, do extra checking | |
02ba7921 RK |
1470 | * @param oldconfig Old configuration for compatibility check |
1471 | * @return 0 on success, non-0 on error | |
1472 | * | |
1473 | * If @p oldconfig is set, then certain compatibility checks are done between | |
1474 | * the old and new configurations. | |
c00fce3a | 1475 | */ |
02ba7921 RK |
1476 | int config_read(int server, |
1477 | const struct config *oldconfig) { | |
460b9539 | 1478 | struct config *c; |
1479 | char *privconf; | |
1480 | struct passwd *pw; | |
1481 | ||
1482 | set_configfile(); | |
1483 | c = config_default(); | |
9ade2319 | 1484 | /* standalone Disobedience installs might not have a global config file */ |
1485 | if(access(configfile, F_OK) == 0) | |
1486 | if(config_include(c, configfile)) | |
1487 | return -1; | |
460b9539 | 1488 | /* if we can read the private config file, do */ |
1489 | if((privconf = config_private()) | |
1490 | && access(privconf, R_OK) == 0 | |
1491 | && config_include(c, privconf)) | |
1492 | return -1; | |
1493 | xfree(privconf); | |
1494 | /* if there's a per-user system config file for this user, read it */ | |
63ad732f RK |
1495 | if(config_per_user) { |
1496 | if(!(pw = getpwuid(getuid()))) | |
2e9ba080 | 1497 | disorder_fatal(0, "cannot determine our username"); |
63ad732f RK |
1498 | if((privconf = config_usersysconf(pw)) |
1499 | && access(privconf, F_OK) == 0 | |
1500 | && config_include(c, privconf)) | |
460b9539 | 1501 | return -1; |
63ad732f RK |
1502 | xfree(privconf); |
1503 | /* if we have a password file, read it */ | |
5b14453f | 1504 | if((privconf = config_userconf(0, pw)) |
63ad732f RK |
1505 | && access(privconf, F_OK) == 0 |
1506 | && config_include(c, privconf)) | |
1507 | return -1; | |
1508 | xfree(privconf); | |
1509 | } | |
460b9539 | 1510 | /* install default namepart and transform settings */ |
c00fce3a | 1511 | config_postdefaults(c, server); |
02ba7921 RK |
1512 | if(oldconfig) { |
1513 | int failed = 0; | |
1514 | if(strcmp(c->home, oldconfig->home)) { | |
2e9ba080 | 1515 | disorder_error(0, "'home' cannot be changed without a restart"); |
02ba7921 RK |
1516 | failed = 1; |
1517 | } | |
1518 | if(strcmp(c->alias, oldconfig->alias)) { | |
2e9ba080 | 1519 | disorder_error(0, "'alias' cannot be changed without a restart"); |
02ba7921 RK |
1520 | failed = 1; |
1521 | } | |
1522 | if(strcmp(c->user, oldconfig->user)) { | |
2e9ba080 | 1523 | disorder_error(0, "'user' cannot be changed without a restart"); |
02ba7921 RK |
1524 | failed = 1; |
1525 | } | |
1526 | if(c->nice_speaker != oldconfig->nice_speaker) { | |
2e9ba080 | 1527 | disorder_error(0, "'nice_speaker' cannot be changed without a restart"); |
02ba7921 RK |
1528 | /* ...but we accept the new config anyway */ |
1529 | } | |
553d8115 | 1530 | if(c->nice_server != oldconfig->nice_server) { |
2e9ba080 | 1531 | disorder_error(0, "'nice_server' cannot be changed without a restart"); |
553d8115 RK |
1532 | /* ...but we accept the new config anyway */ |
1533 | } | |
9417e1a3 | 1534 | if(namepartlist_compare(&c->namepart, &oldconfig->namepart)) { |
2e9ba080 | 1535 | disorder_error(0, "'namepart' settings cannot be changed without a restart"); |
9417e1a3 RK |
1536 | failed = 1; |
1537 | } | |
1538 | if(stringlist_compare(&c->stopword, &oldconfig->stopword)) { | |
2e9ba080 | 1539 | disorder_error(0, "'stopword' settings cannot be changed without a restart"); |
9417e1a3 RK |
1540 | failed = 1; |
1541 | } | |
02ba7921 | 1542 | if(failed) { |
2e9ba080 | 1543 | disorder_error(0, "not installing incompatible new configuration"); |
02ba7921 RK |
1544 | return -1; |
1545 | } | |
1546 | } | |
460b9539 | 1547 | /* everything is good so we shall use the new config */ |
1548 | config_free(config); | |
04e1fa7c | 1549 | /* warn about obsolete directives */ |
460b9539 | 1550 | config = c; |
1551 | return 0; | |
1552 | } | |
1553 | ||
3f3bb97b | 1554 | /** @brief Return the path to the private configuration file */ |
460b9539 | 1555 | char *config_private(void) { |
1556 | char *s; | |
1557 | ||
1558 | set_configfile(); | |
1559 | byte_xasprintf(&s, "%s.private", configfile); | |
1560 | return s; | |
1561 | } | |
1562 | ||
3f3bb97b | 1563 | /** @brief Return the path to user's personal configuration file */ |
460b9539 | 1564 | char *config_userconf(const char *home, const struct passwd *pw) { |
1565 | char *s; | |
1566 | ||
73f1b9f3 | 1567 | if(!home && !pw && !(pw = getpwuid(getuid()))) |
2e9ba080 | 1568 | disorder_fatal(0, "cannot determine our username"); |
460b9539 | 1569 | byte_xasprintf(&s, "%s/.disorder/passwd", home ? home : pw->pw_dir); |
1570 | return s; | |
1571 | } | |
1572 | ||
3f3bb97b RK |
1573 | /** @brief Return the path to user-specific system configuration */ |
1574 | char *config_usersysconf(const struct passwd *pw) { | |
460b9539 | 1575 | char *s; |
1576 | ||
1577 | set_configfile(); | |
1578 | if(!strchr(pw->pw_name, '/')) { | |
1579 | byte_xasprintf(&s, "%s.%s", configfile, pw->pw_name); | |
1580 | return s; | |
1581 | } else | |
1582 | return 0; | |
1583 | } | |
1584 | ||
34d37b3e RK |
1585 | /** @brief Get a filename within the home directory |
1586 | * @param name Relative name | |
1587 | * @return Full path | |
1588 | */ | |
460b9539 | 1589 | char *config_get_file(const char *name) { |
319d7107 | 1590 | return config_get_file2(config, name); |
460b9539 | 1591 | } |
1592 | ||
34d37b3e RK |
1593 | /** @brief Order two stringlists |
1594 | * @param a First stringlist | |
1595 | * @param b Second stringlist | |
1596 | * @return <0, 0 or >0 if a<b, a=b or a>b | |
1597 | */ | |
9417e1a3 RK |
1598 | static int stringlist_compare(const struct stringlist *a, |
1599 | const struct stringlist *b) { | |
e4132fd0 | 1600 | int n = 0, c; |
9417e1a3 RK |
1601 | |
1602 | while(n < a->n && n < b->n) { | |
1603 | if((c = strcmp(a->s[n], b->s[n]))) | |
1604 | return c; | |
1605 | ++n; | |
1606 | } | |
1607 | if(a->n < b->n) | |
1608 | return -1; | |
1609 | else if(a->n > b->n) | |
1610 | return 1; | |
1611 | else | |
1612 | return 0; | |
1613 | } | |
1614 | ||
34d37b3e RK |
1615 | /** @brief Order two namepart definitions |
1616 | * @param a First namepart definition | |
1617 | * @param b Second namepart definition | |
1618 | * @return <0, 0 or >0 if a<b, a=b or a>b | |
1619 | */ | |
9417e1a3 RK |
1620 | static int namepart_compare(const struct namepart *a, |
1621 | const struct namepart *b) { | |
1622 | int c; | |
1623 | ||
1624 | if((c = strcmp(a->part, b->part))) | |
1625 | return c; | |
1626 | if((c = strcmp(a->res, b->res))) | |
1627 | return c; | |
1628 | if((c = strcmp(a->replace, b->replace))) | |
1629 | return c; | |
1630 | if((c = strcmp(a->context, b->context))) | |
1631 | return c; | |
1632 | if(a->reflags > b->reflags) | |
1633 | return 1; | |
1634 | if(a->reflags < b->reflags) | |
1635 | return -1; | |
1636 | return 0; | |
1637 | } | |
1638 | ||
34d37b3e RK |
1639 | /** @brief Order two lists of namepart definitions |
1640 | * @param a First list of namepart definitions | |
1641 | * @param b Second list of namepart definitions | |
1642 | * @return <0, 0 or >0 if a<b, a=b or a>b | |
1643 | */ | |
9417e1a3 RK |
1644 | static int namepartlist_compare(const struct namepartlist *a, |
1645 | const struct namepartlist *b) { | |
e4132fd0 | 1646 | int n = 0, c; |
9417e1a3 RK |
1647 | |
1648 | while(n < a->n && n < b->n) { | |
1649 | if((c = namepart_compare(&a->s[n], &b->s[n]))) | |
1650 | return c; | |
1651 | ++n; | |
1652 | } | |
1653 | if(a->n > b->n) | |
1654 | return 1; | |
1655 | else if(a->n < b->n) | |
1656 | return -1; | |
1657 | else | |
1658 | return 0; | |
1659 | } | |
1660 | ||
2a1c84fb RK |
1661 | /** @brief Verify configuration table. |
1662 | * @return The number of problems found | |
1663 | */ | |
1664 | int config_verify(void) { | |
1665 | int fails = 0; | |
1666 | for(size_t n = 1; n < sizeof conf / sizeof *conf; ++n) | |
1667 | if(strcmp(conf[n-1].name, conf[n].name) >= 0) { | |
1668 | fprintf(stderr, "%s >= %s\n", conf[n-1].name, conf[n].name); | |
1669 | ++fails; | |
1670 | } | |
1671 | return fails; | |
1672 | } | |
1673 | ||
460b9539 | 1674 | /* |
1675 | Local Variables: | |
1676 | c-basic-offset:2 | |
1677 | comment-column:40 | |
1678 | fill-column:79 | |
1679 | End: | |
1680 | */ |