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460b9539 | 1 | /* |
2 | * This file is part of DisOrder. | |
b50cfb8a | 3 | * Copyright (C) 2004-2009 Richard Kettlewell |
313acc77 | 4 | * Portions copyright (C) 2007 Mark Wooding |
460b9539 | 5 | * |
e7eb3a27 | 6 | * This program is free software: you can redistribute it and/or modify |
460b9539 | 7 | * it under the terms of the GNU General Public License as published by |
e7eb3a27 | 8 | * the Free Software Foundation, either version 3 of the License, or |
460b9539 | 9 | * (at your option) any later version. |
e7eb3a27 RK |
10 | * |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
460b9539 | 16 | * You should have received a copy of the GNU General Public License |
e7eb3a27 | 17 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
460b9539 | 18 | */ |
0e4472a0 | 19 | /** @file lib/configuration.c |
20 | * @brief Configuration file support | |
21 | */ | |
460b9539 | 22 | |
05b75f8d | 23 | #include "common.h" |
460b9539 | 24 | |
460b9539 | 25 | #include <errno.h> |
26 | #include <sys/types.h> | |
27 | #include <sys/stat.h> | |
28 | #include <unistd.h> | |
29 | #include <ctype.h> | |
30 | #include <stddef.h> | |
31 | #include <pwd.h> | |
32 | #include <langinfo.h> | |
33 | #include <pcre.h> | |
34 | #include <signal.h> | |
35 | ||
04e1fa7c | 36 | #include "rights.h" |
460b9539 | 37 | #include "configuration.h" |
38 | #include "mem.h" | |
39 | #include "log.h" | |
40 | #include "split.h" | |
41 | #include "syscalls.h" | |
42 | #include "table.h" | |
43 | #include "inputline.h" | |
44 | #include "charset.h" | |
45 | #include "defs.h" | |
460b9539 | 46 | #include "printf.h" |
47 | #include "regsub.h" | |
48 | #include "signame.h" | |
637fdea3 | 49 | #include "authhash.h" |
e6a35d1c | 50 | #include "vector.h" |
b50cfb8a | 51 | #include "uaudio.h" |
460b9539 | 52 | |
3f3bb97b RK |
53 | /** @brief Path to config file |
54 | * | |
55 | * set_configfile() sets the deafult if it is null. | |
56 | */ | |
460b9539 | 57 | char *configfile; |
58 | ||
63ad732f RK |
59 | /** @brief Read user configuration |
60 | * | |
61 | * If clear, the user-specific configuration is not read. | |
62 | */ | |
63 | int config_per_user = 1; | |
64 | ||
b50cfb8a RK |
65 | /** @brief Table of audio APIs |
66 | * | |
67 | * Only set in server processes. | |
68 | */ | |
69 | const struct uaudio *const *config_uaudio_apis; | |
70 | ||
3f3bb97b | 71 | /** @brief Config file parser state */ |
460b9539 | 72 | struct config_state { |
3f3bb97b | 73 | /** @brief Filename */ |
460b9539 | 74 | const char *path; |
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 | } | |
243 | VALUE(cs->config, char *) = xstrdup(vec[0]); | |
244 | return 0; | |
245 | } | |
246 | ||
247 | static int set_stringlist(const struct config_state *cs, | |
248 | const struct conf *whoami, | |
249 | int nvec, char **vec) { | |
250 | int n; | |
251 | struct stringlist *sl; | |
252 | ||
253 | sl = ADDRESS(cs->config, struct stringlist); | |
254 | sl->n = 0; | |
255 | for(n = 0; n < nvec; ++n) { | |
256 | sl->n++; | |
257 | sl->s = xrealloc(sl->s, (sl->n * sizeof (char *))); | |
258 | sl->s[sl->n - 1] = xstrdup(vec[n]); | |
259 | } | |
260 | return 0; | |
261 | } | |
262 | ||
263 | static int set_integer(const struct config_state *cs, | |
264 | const struct conf *whoami, | |
265 | int nvec, char **vec) { | |
266 | char *e; | |
267 | ||
268 | if(nvec != 1) { | |
2e9ba080 RK |
269 | disorder_error(0, "%s:%d: '%s' takes only one argument", |
270 | cs->path, cs->line, whoami->name); | |
460b9539 | 271 | return -1; |
272 | } | |
273 | if(xstrtol(ADDRESS(cs->config, long), vec[0], &e, 0)) { | |
2e9ba080 | 274 | disorder_error(errno, "%s:%d: converting integer", cs->path, cs->line); |
460b9539 | 275 | return -1; |
276 | } | |
277 | if(*e) { | |
2e9ba080 | 278 | disorder_error(0, "%s:%d: invalid integer syntax", cs->path, cs->line); |
460b9539 | 279 | return -1; |
280 | } | |
281 | return 0; | |
282 | } | |
283 | ||
284 | static int set_stringlist_accum(const struct config_state *cs, | |
285 | const struct conf *whoami, | |
286 | int nvec, char **vec) { | |
287 | int n; | |
288 | struct stringlist *s; | |
289 | struct stringlistlist *sll; | |
290 | ||
291 | sll = ADDRESS(cs->config, struct stringlistlist); | |
40c30921 RK |
292 | if(nvec == 0) { |
293 | sll->n = 0; | |
294 | return 0; | |
295 | } | |
460b9539 | 296 | sll->n++; |
297 | sll->s = xrealloc(sll->s, (sll->n * sizeof (struct stringlist))); | |
298 | s = &sll->s[sll->n - 1]; | |
299 | s->n = nvec; | |
300 | s->s = xmalloc((nvec + 1) * sizeof (char *)); | |
301 | for(n = 0; n < nvec; ++n) | |
302 | s->s[n] = xstrdup(vec[n]); | |
303 | return 0; | |
304 | } | |
305 | ||
306 | static int set_string_accum(const struct config_state *cs, | |
307 | const struct conf *whoami, | |
308 | int nvec, char **vec) { | |
309 | int n; | |
310 | struct stringlist *sl; | |
311 | ||
312 | sl = ADDRESS(cs->config, struct stringlist); | |
40c30921 RK |
313 | if(nvec == 0) { |
314 | sl->n = 0; | |
315 | return 0; | |
316 | } | |
460b9539 | 317 | for(n = 0; n < nvec; ++n) { |
318 | sl->n++; | |
319 | sl->s = xrealloc(sl->s, (sl->n * sizeof (char *))); | |
320 | sl->s[sl->n - 1] = xstrdup(vec[n]); | |
321 | } | |
322 | return 0; | |
323 | } | |
324 | ||
325 | static int set_restrict(const struct config_state *cs, | |
326 | const struct conf *whoami, | |
327 | int nvec, char **vec) { | |
328 | unsigned r = 0; | |
329 | int n, i; | |
330 | ||
331 | static const struct restriction { | |
332 | const char *name; | |
333 | unsigned bit; | |
334 | } restrictions[] = { | |
335 | { "remove", RESTRICT_REMOVE }, | |
336 | { "scratch", RESTRICT_SCRATCH }, | |
337 | { "move", RESTRICT_MOVE }, | |
338 | }; | |
339 | ||
340 | for(n = 0; n < nvec; ++n) { | |
ba937f01 | 341 | if((i = TABLE_FIND(restrictions, name, vec[n])) < 0) { |
2e9ba080 RK |
342 | disorder_error(0, "%s:%d: invalid restriction '%s'", |
343 | cs->path, cs->line, vec[n]); | |
460b9539 | 344 | return -1; |
345 | } | |
346 | r |= restrictions[i].bit; | |
347 | } | |
348 | VALUE(cs->config, unsigned) = r; | |
349 | return 0; | |
350 | } | |
351 | ||
9d5da576 | 352 | static int parse_sample_format(const struct config_state *cs, |
6d2d327c | 353 | struct stream_header *format, |
9d5da576 | 354 | int nvec, char **vec) { |
355 | char *p = vec[0]; | |
356 | long t; | |
357 | ||
6d2d327c | 358 | if(nvec != 1) { |
2e9ba080 | 359 | disorder_error(0, "%s:%d: wrong number of arguments", cs->path, cs->line); |
9d5da576 | 360 | return -1; |
361 | } | |
6d2d327c | 362 | if(xstrtol(&t, p, &p, 0)) { |
2e9ba080 RK |
363 | disorder_error(errno, "%s:%d: converting bits-per-sample", |
364 | cs->path, cs->line); | |
9d5da576 | 365 | return -1; |
366 | } | |
6d2d327c | 367 | if(t != 8 && t != 16) { |
2e9ba080 RK |
368 | disorder_error(0, "%s:%d: bad bite-per-sample (%ld)", |
369 | cs->path, cs->line, t); | |
9d5da576 | 370 | return -1; |
371 | } | |
6d2d327c | 372 | if(format) format->bits = t; |
9d5da576 | 373 | switch (*p) { |
6d2d327c RK |
374 | case 'l': case 'L': t = ENDIAN_LITTLE; p++; break; |
375 | case 'b': case 'B': t = ENDIAN_BIG; p++; break; | |
376 | default: t = ENDIAN_NATIVE; break; | |
9d5da576 | 377 | } |
6d2d327c RK |
378 | if(format) format->endian = t; |
379 | if(*p != '/') { | |
2e9ba080 | 380 | disorder_error(errno, "%s:%d: expected `/' after bits-per-sample", |
9d5da576 | 381 | cs->path, cs->line); |
382 | return -1; | |
383 | } | |
384 | p++; | |
6d2d327c | 385 | if(xstrtol(&t, p, &p, 0)) { |
2e9ba080 | 386 | disorder_error(errno, "%s:%d: converting sample-rate", cs->path, cs->line); |
9d5da576 | 387 | return -1; |
388 | } | |
6d2d327c | 389 | if(t < 1 || t > INT_MAX) { |
2e9ba080 | 390 | disorder_error(0, "%s:%d: silly sample-rate (%ld)", cs->path, cs->line, t); |
9d5da576 | 391 | return -1; |
392 | } | |
6d2d327c RK |
393 | if(format) format->rate = t; |
394 | if(*p != '/') { | |
2e9ba080 RK |
395 | disorder_error(0, "%s:%d: expected `/' after sample-rate", |
396 | cs->path, cs->line); | |
9d5da576 | 397 | return -1; |
398 | } | |
399 | p++; | |
6d2d327c | 400 | if(xstrtol(&t, p, &p, 0)) { |
2e9ba080 | 401 | disorder_error(errno, "%s:%d: converting channels", cs->path, cs->line); |
9d5da576 | 402 | return -1; |
403 | } | |
6d2d327c | 404 | if(t < 1 || t > 8) { |
2e9ba080 RK |
405 | disorder_error(0, "%s:%d: silly number (%ld) of channels", |
406 | cs->path, cs->line, t); | |
9d5da576 | 407 | return -1; |
408 | } | |
6d2d327c RK |
409 | if(format) format->channels = t; |
410 | if(*p) { | |
2e9ba080 | 411 | disorder_error(0, "%s:%d: junk after channels", cs->path, cs->line); |
9d5da576 | 412 | return -1; |
413 | } | |
414 | return 0; | |
415 | } | |
416 | ||
417 | static int set_sample_format(const struct config_state *cs, | |
418 | const struct conf *whoami, | |
419 | int nvec, char **vec) { | |
6d2d327c | 420 | return parse_sample_format(cs, ADDRESS(cs->config, struct stream_header), |
9d5da576 | 421 | nvec, vec); |
422 | } | |
423 | ||
460b9539 | 424 | static int set_namepart(const struct config_state *cs, |
425 | const struct conf *whoami, | |
426 | int nvec, char **vec) { | |
427 | struct namepartlist *npl = ADDRESS(cs->config, struct namepartlist); | |
428 | unsigned reflags; | |
429 | const char *errstr; | |
430 | int erroffset, n; | |
431 | pcre *re; | |
432 | ||
433 | if(nvec < 3) { | |
2e9ba080 RK |
434 | disorder_error(0, "%s:%d: namepart needs at least 3 arguments", |
435 | cs->path, cs->line); | |
460b9539 | 436 | return -1; |
437 | } | |
438 | if(nvec > 5) { | |
2e9ba080 RK |
439 | disorder_error(0, "%s:%d: namepart needs at most 5 arguments", |
440 | cs->path, cs->line); | |
460b9539 | 441 | return -1; |
442 | } | |
443 | reflags = nvec >= 5 ? regsub_flags(vec[4]) : 0; | |
444 | if(!(re = pcre_compile(vec[1], | |
445 | PCRE_UTF8 | |
446 | |regsub_compile_options(reflags), | |
447 | &errstr, &erroffset, 0))) { | |
2e9ba080 RK |
448 | disorder_error(0, "%s:%d: compiling regexp /%s/: %s (offset %d)", |
449 | cs->path, cs->line, vec[1], errstr, erroffset); | |
460b9539 | 450 | return -1; |
451 | } | |
452 | npl->s = xrealloc(npl->s, (npl->n + 1) * sizeof (struct namepart)); | |
453 | npl->s[npl->n].part = xstrdup(vec[0]); | |
454 | npl->s[npl->n].re = re; | |
9417e1a3 | 455 | npl->s[npl->n].res = xstrdup(vec[1]); |
460b9539 | 456 | npl->s[npl->n].replace = xstrdup(vec[2]); |
457 | npl->s[npl->n].context = xstrdup(vec[3]); | |
458 | npl->s[npl->n].reflags = reflags; | |
459 | ++npl->n; | |
460 | /* XXX a bit of a bodge; relies on there being very few parts. */ | |
461 | for(n = 0; (n < cs->config->nparts | |
462 | && strcmp(cs->config->parts[n], vec[0])); ++n) | |
463 | ; | |
464 | if(n >= cs->config->nparts) { | |
465 | cs->config->parts = xrealloc(cs->config->parts, | |
466 | (cs->config->nparts + 1) * sizeof (char *)); | |
467 | cs->config->parts[cs->config->nparts++] = xstrdup(vec[0]); | |
468 | } | |
469 | return 0; | |
470 | } | |
471 | ||
472 | static int set_transform(const struct config_state *cs, | |
473 | const struct conf *whoami, | |
474 | int nvec, char **vec) { | |
475 | struct transformlist *tl = ADDRESS(cs->config, struct transformlist); | |
476 | pcre *re; | |
477 | unsigned reflags; | |
478 | const char *errstr; | |
479 | int erroffset; | |
480 | ||
481 | if(nvec < 3) { | |
2e9ba080 RK |
482 | disorder_error(0, "%s:%d: transform needs at least 3 arguments", |
483 | cs->path, cs->line); | |
460b9539 | 484 | return -1; |
485 | } | |
486 | if(nvec > 5) { | |
2e9ba080 RK |
487 | disorder_error(0, "%s:%d: transform needs at most 5 arguments", |
488 | cs->path, cs->line); | |
460b9539 | 489 | return -1; |
490 | } | |
491 | reflags = (nvec >= 5 ? regsub_flags(vec[4]) : 0); | |
492 | if(!(re = pcre_compile(vec[1], | |
493 | PCRE_UTF8 | |
494 | |regsub_compile_options(reflags), | |
495 | &errstr, &erroffset, 0))) { | |
2e9ba080 RK |
496 | disorder_error(0, "%s:%d: compiling regexp /%s/: %s (offset %d)", |
497 | cs->path, cs->line, vec[1], errstr, erroffset); | |
460b9539 | 498 | return -1; |
499 | } | |
500 | tl->t = xrealloc(tl->t, (tl->n + 1) * sizeof (struct namepart)); | |
501 | tl->t[tl->n].type = xstrdup(vec[0]); | |
502 | tl->t[tl->n].context = xstrdup(vec[3] ? vec[3] : "*"); | |
503 | tl->t[tl->n].re = re; | |
504 | tl->t[tl->n].replace = xstrdup(vec[2]); | |
505 | tl->t[tl->n].flags = reflags; | |
506 | ++tl->n; | |
507 | return 0; | |
508 | } | |
509 | ||
04e1fa7c RK |
510 | static int set_rights(const struct config_state *cs, |
511 | const struct conf *whoami, | |
512 | int nvec, char **vec) { | |
04e1fa7c | 513 | if(nvec != 1) { |
2e9ba080 RK |
514 | disorder_error(0, "%s:%d: '%s' requires one argument", |
515 | cs->path, cs->line, whoami->name); | |
04e1fa7c RK |
516 | return -1; |
517 | } | |
0f55e905 | 518 | if(parse_rights(vec[0], 0, 1)) { |
2e9ba080 RK |
519 | disorder_error(0, "%s:%d: invalid rights string '%s'", |
520 | cs->path, cs->line, vec[0]); | |
04e1fa7c RK |
521 | return -1; |
522 | } | |
0f55e905 | 523 | *ADDRESS(cs->config, char *) = vec[0]; |
04e1fa7c RK |
524 | return 0; |
525 | } | |
526 | ||
76e72f65 RK |
527 | static int set_netaddress(const struct config_state *cs, |
528 | const struct conf *whoami, | |
529 | int nvec, char **vec) { | |
530 | struct netaddress *na = ADDRESS(cs->config, struct netaddress); | |
531 | ||
532 | if(netaddress_parse(na, nvec, vec)) { | |
2e9ba080 | 533 | disorder_error(0, "%s:%d: invalid network address", cs->path, cs->line); |
76e72f65 RK |
534 | return -1; |
535 | } | |
536 | return 0; | |
537 | } | |
538 | ||
460b9539 | 539 | /* free functions */ |
540 | ||
541 | static void free_none(struct config attribute((unused)) *c, | |
542 | const struct conf attribute((unused)) *whoami) { | |
543 | } | |
544 | ||
545 | static void free_string(struct config *c, | |
546 | const struct conf *whoami) { | |
547 | xfree(VALUE(c, char *)); | |
f183d30b | 548 | VALUE(c, char *) = 0; |
460b9539 | 549 | } |
550 | ||
551 | static void free_stringlist(struct config *c, | |
552 | const struct conf *whoami) { | |
553 | int n; | |
554 | struct stringlist *sl = ADDRESS(c, struct stringlist); | |
555 | ||
556 | for(n = 0; n < sl->n; ++n) | |
557 | xfree(sl->s[n]); | |
558 | xfree(sl->s); | |
559 | } | |
560 | ||
561 | static void free_stringlistlist(struct config *c, | |
562 | const struct conf *whoami) { | |
563 | int n, m; | |
564 | struct stringlistlist *sll = ADDRESS(c, struct stringlistlist); | |
565 | struct stringlist *sl; | |
566 | ||
567 | for(n = 0; n < sll->n; ++n) { | |
568 | sl = &sll->s[n]; | |
569 | for(m = 0; m < sl->n; ++m) | |
570 | xfree(sl->s[m]); | |
571 | xfree(sl->s); | |
572 | } | |
573 | xfree(sll->s); | |
574 | } | |
575 | ||
576 | static void free_collectionlist(struct config *c, | |
577 | const struct conf *whoami) { | |
578 | struct collectionlist *cll = ADDRESS(c, struct collectionlist); | |
579 | struct collection *cl; | |
580 | int n; | |
581 | ||
582 | for(n = 0; n < cll->n; ++n) { | |
583 | cl = &cll->s[n]; | |
584 | xfree(cl->module); | |
585 | xfree(cl->encoding); | |
586 | xfree(cl->root); | |
587 | } | |
588 | xfree(cll->s); | |
589 | } | |
590 | ||
591 | static void free_namepartlist(struct config *c, | |
592 | const struct conf *whoami) { | |
593 | struct namepartlist *npl = ADDRESS(c, struct namepartlist); | |
594 | struct namepart *np; | |
595 | int n; | |
596 | ||
597 | for(n = 0; n < npl->n; ++n) { | |
598 | np = &npl->s[n]; | |
599 | xfree(np->part); | |
600 | pcre_free(np->re); /* ...whatever pcre_free is set to. */ | |
9417e1a3 | 601 | xfree(np->res); |
460b9539 | 602 | xfree(np->replace); |
603 | xfree(np->context); | |
604 | } | |
605 | xfree(npl->s); | |
606 | } | |
607 | ||
608 | static void free_transformlist(struct config *c, | |
609 | const struct conf *whoami) { | |
610 | struct transformlist *tl = ADDRESS(c, struct transformlist); | |
611 | struct transform *t; | |
612 | int n; | |
613 | ||
614 | for(n = 0; n < tl->n; ++n) { | |
615 | t = &tl->t[n]; | |
616 | xfree(t->type); | |
617 | pcre_free(t->re); /* ...whatever pcre_free is set to. */ | |
618 | xfree(t->replace); | |
619 | xfree(t->context); | |
620 | } | |
621 | xfree(tl->t); | |
622 | } | |
623 | ||
76e72f65 RK |
624 | static void free_netaddress(struct config *c, |
625 | const struct conf *whoami) { | |
626 | struct netaddress *na = ADDRESS(c, struct netaddress); | |
627 | ||
628 | xfree(na->address); | |
629 | } | |
630 | ||
460b9539 | 631 | /* configuration types */ |
632 | ||
633 | static const struct conftype | |
634 | type_signal = { set_signal, free_none }, | |
635 | type_collections = { set_collections, free_collectionlist }, | |
636 | type_boolean = { set_boolean, free_none }, | |
637 | type_string = { set_string, free_string }, | |
638 | type_stringlist = { set_stringlist, free_stringlist }, | |
639 | type_integer = { set_integer, free_none }, | |
640 | type_stringlist_accum = { set_stringlist_accum, free_stringlistlist }, | |
641 | type_string_accum = { set_string_accum, free_stringlist }, | |
9d5da576 | 642 | type_sample_format = { set_sample_format, free_none }, |
460b9539 | 643 | type_restrict = { set_restrict, free_none }, |
644 | type_namepart = { set_namepart, free_namepartlist }, | |
e83d0967 | 645 | type_transform = { set_transform, free_transformlist }, |
76e72f65 | 646 | type_netaddress = { set_netaddress, free_netaddress }, |
b50cfb8a | 647 | type_rights = { set_rights, free_none }; |
460b9539 | 648 | |
649 | /* specific validation routine */ | |
650 | ||
34d37b3e RK |
651 | /** @brief Perform a test on a filename |
652 | * @param test Test function to call on mode bits | |
653 | * @param what Type of file sought | |
654 | * | |
655 | * If @p test returns 0 then the file is not a @p what and an error | |
656 | * is reported and -1 is returned. | |
657 | */ | |
2e9ba080 RK |
658 | #define VALIDATE_FILE(test, what) do { \ |
659 | struct stat sb; \ | |
660 | int n; \ | |
661 | \ | |
662 | for(n = 0; n < nvec; ++n) { \ | |
663 | if(stat(vec[n], &sb) < 0) { \ | |
664 | disorder_error(errno, "%s:%d: %s", \ | |
665 | cs->path, cs->line, vec[n]); \ | |
666 | return -1; \ | |
667 | } \ | |
668 | if(!test(sb.st_mode)) { \ | |
669 | disorder_error(0, "%s:%d: %s is not a %s", \ | |
670 | cs->path, cs->line, vec[n], what); \ | |
671 | return -1; \ | |
672 | } \ | |
673 | } \ | |
460b9539 | 674 | } while(0) |
675 | ||
34d37b3e RK |
676 | /** @brief Validate an absolute path |
677 | * @param cs Configuration state | |
678 | * @param nvec Length of (proposed) new value | |
679 | * @param vec Elements of new value | |
680 | * @return 0 on success, non-0 on error | |
681 | */ | |
659d87e8 RK |
682 | static int validate_isabspath(const struct config_state *cs, |
683 | int nvec, char **vec) { | |
684 | int n; | |
685 | ||
686 | for(n = 0; n < nvec; ++n) | |
687 | if(vec[n][0] != '/') { | |
2e9ba080 RK |
688 | disorder_error(errno, "%s:%d: %s: not an absolute path", |
689 | cs->path, cs->line, vec[n]); | |
659d87e8 RK |
690 | return -1; |
691 | } | |
692 | return 0; | |
693 | } | |
694 | ||
34d37b3e RK |
695 | /** @brief Validate an existing directory |
696 | * @param cs Configuration state | |
697 | * @param nvec Length of (proposed) new value | |
698 | * @param vec Elements of new value | |
699 | * @return 0 on success, non-0 on error | |
700 | */ | |
460b9539 | 701 | static int validate_isdir(const struct config_state *cs, |
702 | int nvec, char **vec) { | |
703 | VALIDATE_FILE(S_ISDIR, "directory"); | |
704 | return 0; | |
705 | } | |
706 | ||
34d37b3e RK |
707 | /** @brief Validate an existing regular file |
708 | * @param cs Configuration state | |
709 | * @param nvec Length of (proposed) new value | |
710 | * @param vec Elements of new value | |
711 | * @return 0 on success, non-0 on error | |
712 | */ | |
460b9539 | 713 | static int validate_isreg(const struct config_state *cs, |
714 | int nvec, char **vec) { | |
715 | VALIDATE_FILE(S_ISREG, "regular file"); | |
716 | return 0; | |
717 | } | |
718 | ||
34d37b3e RK |
719 | /** @brief Validate a player pattern |
720 | * @param cs Configuration state | |
721 | * @param nvec Length of (proposed) new value | |
722 | * @param vec Elements of new value | |
723 | * @return 0 on success, non-0 on error | |
724 | */ | |
460b9539 | 725 | static int validate_player(const struct config_state *cs, |
726 | int nvec, | |
727 | char attribute((unused)) **vec) { | |
728 | if(nvec < 2) { | |
2e9ba080 RK |
729 | disorder_error(0, "%s:%d: should be at least 'player PATTERN MODULE'", |
730 | cs->path, cs->line); | |
460b9539 | 731 | return -1; |
732 | } | |
733 | return 0; | |
734 | } | |
735 | ||
34d37b3e RK |
736 | /** @brief Validate a track length pattern |
737 | * @param cs Configuration state | |
738 | * @param nvec Length of (proposed) new value | |
739 | * @param vec Elements of new value | |
740 | * @return 0 on success, non-0 on error | |
741 | */ | |
62dc3748 RK |
742 | static int validate_tracklength(const struct config_state *cs, |
743 | int nvec, | |
744 | char attribute((unused)) **vec) { | |
745 | if(nvec < 2) { | |
2e9ba080 RK |
746 | disorder_error(0, "%s:%d: should be at least 'tracklength PATTERN MODULE'", |
747 | cs->path, cs->line); | |
62dc3748 RK |
748 | return -1; |
749 | } | |
750 | return 0; | |
751 | } | |
752 | ||
34d37b3e RK |
753 | /** @brief Validate an allow directive |
754 | * @param cs Configuration state | |
755 | * @param nvec Length of (proposed) new value | |
756 | * @param vec Elements of new value | |
757 | * @return 0 on success, non-0 on error | |
758 | * | |
759 | * Obsolete - only used for parsing legacy configuration. | |
760 | */ | |
460b9539 | 761 | static int validate_allow(const struct config_state *cs, |
762 | int nvec, | |
763 | char attribute((unused)) **vec) { | |
764 | if(nvec != 2) { | |
2e9ba080 | 765 | disorder_error(0, "%s:%d: must be 'allow NAME PASS'", cs->path, cs->line); |
460b9539 | 766 | return -1; |
767 | } | |
768 | return 0; | |
769 | } | |
770 | ||
34d37b3e RK |
771 | /** @brief Validate a non-negative (@c long) integer |
772 | * @param cs Configuration state | |
773 | * @param nvec Length of (proposed) new value | |
774 | * @param vec Elements of new value | |
775 | * @return 0 on success, non-0 on error | |
776 | */ | |
460b9539 | 777 | static int validate_non_negative(const struct config_state *cs, |
778 | int nvec, char **vec) { | |
779 | long n; | |
780 | ||
781 | if(nvec < 1) { | |
2e9ba080 | 782 | disorder_error(0, "%s:%d: missing argument", cs->path, cs->line); |
460b9539 | 783 | return -1; |
784 | } | |
785 | if(nvec > 1) { | |
2e9ba080 | 786 | disorder_error(0, "%s:%d: too many arguments", cs->path, cs->line); |
460b9539 | 787 | return -1; |
788 | } | |
789 | if(xstrtol(&n, vec[0], 0, 0)) { | |
2e9ba080 | 790 | disorder_error(0, "%s:%d: %s", cs->path, cs->line, strerror(errno)); |
460b9539 | 791 | return -1; |
792 | } | |
793 | if(n < 0) { | |
2e9ba080 | 794 | disorder_error(0, "%s:%d: must not be negative", cs->path, cs->line); |
460b9539 | 795 | return -1; |
796 | } | |
797 | return 0; | |
798 | } | |
799 | ||
34d37b3e RK |
800 | /** @brief Validate a positive (@c long) integer |
801 | * @param cs Configuration state | |
802 | * @param nvec Length of (proposed) new value | |
803 | * @param vec Elements of new value | |
804 | * @return 0 on success, non-0 on error | |
805 | */ | |
460b9539 | 806 | static int validate_positive(const struct config_state *cs, |
807 | int nvec, char **vec) { | |
808 | long n; | |
809 | ||
810 | if(nvec < 1) { | |
2e9ba080 | 811 | disorder_error(0, "%s:%d: missing argument", cs->path, cs->line); |
460b9539 | 812 | return -1; |
813 | } | |
814 | if(nvec > 1) { | |
2e9ba080 | 815 | disorder_error(0, "%s:%d: too many arguments", cs->path, cs->line); |
460b9539 | 816 | return -1; |
817 | } | |
818 | if(xstrtol(&n, vec[0], 0, 0)) { | |
2e9ba080 | 819 | disorder_error(0, "%s:%d: %s", cs->path, cs->line, strerror(errno)); |
460b9539 | 820 | return -1; |
821 | } | |
822 | if(n <= 0) { | |
2e9ba080 | 823 | disorder_error(0, "%s:%d: must be positive", cs->path, cs->line); |
460b9539 | 824 | return -1; |
825 | } | |
826 | return 0; | |
827 | } | |
828 | ||
34d37b3e RK |
829 | /** @brief Validate a system username |
830 | * @param cs Configuration state | |
831 | * @param nvec Length of (proposed) new value | |
832 | * @param vec Elements of new value | |
833 | * @return 0 on success, non-0 on error | |
834 | */ | |
460b9539 | 835 | static int validate_isauser(const struct config_state *cs, |
836 | int attribute((unused)) nvec, | |
837 | char **vec) { | |
838 | struct passwd *pw; | |
839 | ||
840 | if(!(pw = getpwnam(vec[0]))) { | |
2e9ba080 | 841 | disorder_error(0, "%s:%d: no such user as '%s'", cs->path, cs->line, vec[0]); |
460b9539 | 842 | return -1; |
843 | } | |
844 | return 0; | |
845 | } | |
846 | ||
34d37b3e RK |
847 | /** @brief Validate a sample format string |
848 | * @param cs Configuration state | |
849 | * @param nvec Length of (proposed) new value | |
850 | * @param vec Elements of new value | |
851 | * @return 0 on success, non-0 on error | |
852 | */ | |
9d5da576 | 853 | static int validate_sample_format(const struct config_state *cs, |
854 | int attribute((unused)) nvec, | |
855 | char **vec) { | |
856 | return parse_sample_format(cs, 0, nvec, vec); | |
857 | } | |
858 | ||
34d37b3e RK |
859 | /** @brief Validate anything |
860 | * @param cs Configuration state | |
861 | * @param nvec Length of (proposed) new value | |
862 | * @param vec Elements of new value | |
863 | * @return 0 | |
864 | */ | |
460b9539 | 865 | static int validate_any(const struct config_state attribute((unused)) *cs, |
866 | int attribute((unused)) nvec, | |
867 | char attribute((unused)) **vec) { | |
868 | return 0; | |
869 | } | |
870 | ||
34d37b3e RK |
871 | /** @brief Validate a URL |
872 | * @param cs Configuration state | |
873 | * @param nvec Length of (proposed) new value | |
874 | * @param vec Elements of new value | |
875 | * @return 0 on success, non-0 on error | |
876 | * | |
877 | * Rather cursory. | |
878 | */ | |
460b9539 | 879 | static int validate_url(const struct config_state attribute((unused)) *cs, |
880 | int attribute((unused)) nvec, | |
881 | char **vec) { | |
882 | const char *s; | |
883 | int n; | |
884 | /* absoluteURI = scheme ":" ( hier_part | opaque_part ) | |
885 | scheme = alpha *( alpha | digit | "+" | "-" | "." ) */ | |
886 | s = vec[0]; | |
887 | n = strspn(s, ("abcdefghijklmnopqrstuvwxyz" | |
888 | "ABCDEFGHIJKLMNOPQRSTUVWXYZ" | |
889 | "0123456789")); | |
890 | if(s[n] != ':') { | |
2e9ba080 | 891 | disorder_error(0, "%s:%d: invalid url '%s'", cs->path, cs->line, vec[0]); |
460b9539 | 892 | return -1; |
893 | } | |
894 | if(!strncmp(s, "http:", 5) | |
895 | || !strncmp(s, "https:", 6)) { | |
896 | s += n + 1; | |
897 | /* we only do a rather cursory check */ | |
898 | if(strncmp(s, "//", 2)) { | |
2e9ba080 | 899 | disorder_error(0, "%s:%d: invalid url '%s'", cs->path, cs->line, vec[0]); |
460b9539 | 900 | return -1; |
901 | } | |
902 | } | |
903 | return 0; | |
904 | } | |
905 | ||
34d37b3e RK |
906 | /** @brief Validate an alias pattern |
907 | * @param cs Configuration state | |
908 | * @param nvec Length of (proposed) new value | |
909 | * @param vec Elements of new value | |
910 | * @return 0 on success, non-0 on error | |
911 | */ | |
460b9539 | 912 | static int validate_alias(const struct config_state *cs, |
913 | int nvec, | |
914 | char **vec) { | |
915 | const char *s; | |
916 | int in_brackets = 0, c; | |
917 | ||
918 | if(nvec < 1) { | |
2e9ba080 | 919 | disorder_error(0, "%s:%d: missing argument", cs->path, cs->line); |
460b9539 | 920 | return -1; |
921 | } | |
922 | if(nvec > 1) { | |
2e9ba080 | 923 | disorder_error(0, "%s:%d: too many arguments", cs->path, cs->line); |
460b9539 | 924 | return -1; |
925 | } | |
926 | s = vec[0]; | |
927 | while((c = (unsigned char)*s++)) { | |
928 | if(in_brackets) { | |
929 | if(c == '}') | |
930 | in_brackets = 0; | |
931 | else if(!isalnum(c)) { | |
2e9ba080 RK |
932 | disorder_error(0, "%s:%d: invalid part name in alias expansion in '%s'", |
933 | cs->path, cs->line, vec[0]); | |
460b9539 | 934 | return -1; |
935 | } | |
936 | } else { | |
937 | if(c == '{') { | |
938 | in_brackets = 1; | |
939 | if(*s == '/') | |
940 | ++s; | |
941 | } else if(c == '\\') { | |
942 | if(!(c = (unsigned char)*s++)) { | |
2e9ba080 RK |
943 | disorder_error(0, "%s:%d: unterminated escape in alias expansion in '%s'", |
944 | cs->path, cs->line, vec[0]); | |
460b9539 | 945 | return -1; |
946 | } else if(c != '\\' && c != '{') { | |
2e9ba080 RK |
947 | disorder_error(0, "%s:%d: invalid escape in alias expansion in '%s'", |
948 | cs->path, cs->line, vec[0]); | |
460b9539 | 949 | return -1; |
950 | } | |
951 | } | |
952 | } | |
953 | ++s; | |
954 | } | |
955 | if(in_brackets) { | |
2e9ba080 RK |
956 | disorder_error(0, |
957 | "%s:%d: unterminated part name in alias expansion in '%s'", | |
958 | cs->path, cs->line, vec[0]); | |
460b9539 | 959 | return -1; |
960 | } | |
961 | return 0; | |
962 | } | |
963 | ||
34d37b3e RK |
964 | /** @brief Validate a hash algorithm name |
965 | * @param cs Configuration state | |
966 | * @param nvec Length of (proposed) new value | |
967 | * @param vec Elements of new value | |
968 | * @return 0 on success, non-0 on error | |
969 | */ | |
637fdea3 RK |
970 | static int validate_algo(const struct config_state attribute((unused)) *cs, |
971 | int nvec, | |
972 | char **vec) { | |
973 | if(nvec != 1) { | |
2e9ba080 | 974 | disorder_error(0, "%s:%d: invalid algorithm specification", cs->path, cs->line); |
637fdea3 RK |
975 | return -1; |
976 | } | |
977 | if(!valid_authhash(vec[0])) { | |
2e9ba080 | 978 | disorder_error(0, "%s:%d: unsuported algorithm '%s'", cs->path, cs->line, vec[0]); |
637fdea3 RK |
979 | return -1; |
980 | } | |
981 | return 0; | |
982 | } | |
983 | ||
34d37b3e RK |
984 | /** @brief Validate a playback backend name |
985 | * @param cs Configuration state | |
986 | * @param nvec Length of (proposed) new value | |
987 | * @param vec Elements of new value | |
988 | * @return 0 on success, non-0 on error | |
989 | */ | |
b50cfb8a RK |
990 | static int validate_backend(const struct config_state attribute((unused)) *cs, |
991 | int nvec, | |
992 | char **vec) { | |
993 | int n; | |
994 | if(nvec != 1) { | |
2e9ba080 | 995 | disorder_error(0, "%s:%d: invalid sound API specification", cs->path, cs->line); |
b50cfb8a RK |
996 | return -1; |
997 | } | |
998 | if(!strcmp(vec[0], "network")) { | |
2e9ba080 | 999 | disorder_error(0, "'api network' is deprecated; use 'api rtp'"); |
b50cfb8a RK |
1000 | return 0; |
1001 | } | |
1002 | if(config_uaudio_apis) { | |
1003 | for(n = 0; config_uaudio_apis[n]; ++n) | |
1004 | if(!strcmp(vec[0], config_uaudio_apis[n]->name)) | |
1005 | return 0; | |
2e9ba080 | 1006 | disorder_error(0, "%s:%d: unrecognized sound API '%s'", cs->path, cs->line, vec[0]); |
b50cfb8a RK |
1007 | return -1; |
1008 | } | |
1009 | /* In non-server processes we have no idea what's valid */ | |
1010 | return 0; | |
1011 | } | |
1012 | ||
34d37b3e RK |
1013 | /** @brief Validate a pause mode string |
1014 | * @param cs Configuration state | |
1015 | * @param nvec Length of (proposed) new value | |
1016 | * @param vec Elements of new value | |
1017 | * @return 0 on success, non-0 on error | |
1018 | */ | |
f75ab9d3 RK |
1019 | static int validate_pausemode(const struct config_state attribute((unused)) *cs, |
1020 | int nvec, | |
1021 | char **vec) { | |
1022 | if(nvec == 1 && (!strcmp(vec[0], "silence") || !strcmp(vec[0], "suspend"))) | |
1023 | return 0; | |
2e9ba080 | 1024 | disorder_error(0, "%s:%d: invalid pause mode", cs->path, cs->line); |
f75ab9d3 RK |
1025 | return -1; |
1026 | } | |
1027 | ||
34d37b3e RK |
1028 | /** @brief Validate a destination network address |
1029 | * @param cs Configuration state | |
1030 | * @param nvec Length of (proposed) new value | |
1031 | * @param vec Elements of new value | |
1032 | * @return 0 on success, non-0 on error | |
1033 | * | |
1034 | * By a destination address, it is meant that it must not be a wildcard | |
1035 | * address. | |
1036 | */ | |
76e72f65 RK |
1037 | static int validate_destaddr(const struct config_state attribute((unused)) *cs, |
1038 | int nvec, | |
1039 | char **vec) { | |
1040 | struct netaddress na[1]; | |
1041 | ||
1042 | if(netaddress_parse(na, nvec, vec)) { | |
2e9ba080 | 1043 | disorder_error(0, "%s:%d: invalid network address", cs->path, cs->line); |
76e72f65 RK |
1044 | return -1; |
1045 | } | |
1046 | if(!na->address) { | |
2e9ba080 | 1047 | disorder_error(0, "%s:%d: destination address required", cs->path, cs->line); |
76e72f65 RK |
1048 | return -1; |
1049 | } | |
1050 | return 0; | |
1051 | } | |
1052 | ||
3f3bb97b | 1053 | /** @brief Item name and and offset */ |
460b9539 | 1054 | #define C(x) #x, offsetof(struct config, x) |
3f3bb97b | 1055 | /** @brief Item name and and offset */ |
460b9539 | 1056 | #define C2(x,y) #x, offsetof(struct config, y) |
1057 | ||
3f3bb97b | 1058 | /** @brief All configuration items */ |
460b9539 | 1059 | static const struct conf conf[] = { |
1060 | { C(alias), &type_string, validate_alias }, | |
1061 | { C(allow), &type_stringlist_accum, validate_allow }, | |
b50cfb8a | 1062 | { C(api), &type_string, validate_backend }, |
637fdea3 | 1063 | { C(authorization_algorithm), &type_string, validate_algo }, |
76e72f65 RK |
1064 | { C(broadcast), &type_netaddress, validate_destaddr }, |
1065 | { C(broadcast_from), &type_netaddress, validate_any }, | |
bd8895a8 | 1066 | { C(channel), &type_string, validate_any }, |
460b9539 | 1067 | { C(checkpoint_kbyte), &type_integer, validate_non_negative }, |
1068 | { C(checkpoint_min), &type_integer, validate_non_negative }, | |
1069 | { C(collection), &type_collections, validate_any }, | |
e41a9999 | 1070 | { C(connect), &type_netaddress, validate_destaddr }, |
b12be54a RK |
1071 | { C(cookie_login_lifetime), &type_integer, validate_positive }, |
1072 | { C(cookie_key_lifetime), &type_integer, validate_positive }, | |
8818b7fc | 1073 | { C(dbversion), &type_integer, validate_positive }, |
04e1fa7c | 1074 | { C(default_rights), &type_rights, validate_any }, |
460b9539 | 1075 | { C(device), &type_string, validate_any }, |
1076 | { C(gap), &type_integer, validate_non_negative }, | |
1077 | { C(history), &type_integer, validate_positive }, | |
659d87e8 | 1078 | { C(home), &type_string, validate_isabspath }, |
80dc2c5f | 1079 | { C(listen), &type_netaddress, validate_any }, |
460b9539 | 1080 | { C(lock), &type_boolean, validate_any }, |
bb6ae3fb | 1081 | { C(mail_sender), &type_string, validate_any }, |
bd8895a8 | 1082 | { C(mixer), &type_string, validate_any }, |
61941295 | 1083 | { C(multicast_loop), &type_boolean, validate_any }, |
23205f9c | 1084 | { C(multicast_ttl), &type_integer, validate_non_negative }, |
460b9539 | 1085 | { C(namepart), &type_namepart, validate_any }, |
05dcfac6 RK |
1086 | { C(new_bias), &type_integer, validate_positive }, |
1087 | { C(new_bias_age), &type_integer, validate_positive }, | |
d742bb47 | 1088 | { C(new_max), &type_integer, validate_positive }, |
460b9539 | 1089 | { C2(nice, nice_rescan), &type_integer, validate_non_negative }, |
1090 | { C(nice_rescan), &type_integer, validate_non_negative }, | |
1091 | { C(nice_server), &type_integer, validate_any }, | |
1092 | { C(nice_speaker), &type_integer, validate_any }, | |
2a10b70b | 1093 | { C(noticed_history), &type_integer, validate_positive }, |
460b9539 | 1094 | { C(password), &type_string, validate_any }, |
f75ab9d3 | 1095 | { C(pause_mode), &type_string, validate_pausemode }, |
460b9539 | 1096 | { C(player), &type_stringlist_accum, validate_player }, |
ddbf05c8 | 1097 | { C(playlist_lock_timeout), &type_integer, validate_positive }, |
2563dc1f | 1098 | { C(playlist_max) , &type_integer, validate_positive }, |
460b9539 | 1099 | { C(plugins), &type_string_accum, validate_isdir }, |
1100 | { C(prefsync), &type_integer, validate_positive }, | |
459d4402 | 1101 | { C(queue_pad), &type_integer, validate_positive }, |
cebe3127 | 1102 | { C(replay_min), &type_integer, validate_non_negative }, |
460b9539 | 1103 | { C(refresh), &type_integer, validate_positive }, |
6207d2f3 | 1104 | { C(reminder_interval), &type_integer, validate_positive }, |
810b8083 | 1105 | { C(remote_userman), &type_boolean, validate_any }, |
460b9539 | 1106 | { C2(restrict, restrictions), &type_restrict, validate_any }, |
ba70caca | 1107 | { C(rtp_delay_threshold), &type_integer, validate_positive }, |
9d5da576 | 1108 | { C(sample_format), &type_sample_format, validate_sample_format }, |
460b9539 | 1109 | { C(scratch), &type_string_accum, validate_isreg }, |
2eee4b0c | 1110 | { C(sendmail), &type_string, validate_isabspath }, |
61507e3c | 1111 | { C(short_display), &type_integer, validate_positive }, |
460b9539 | 1112 | { C(signal), &type_signal, validate_any }, |
bb6ae3fb | 1113 | { C(smtp_server), &type_string, validate_any }, |
5330d674 | 1114 | { C(sox_generation), &type_integer, validate_non_negative }, |
b50cfb8a | 1115 | { C2(speaker_backend, api), &type_string, validate_backend }, |
9d5da576 | 1116 | { C(speaker_command), &type_string, validate_any }, |
460b9539 | 1117 | { C(stopword), &type_string_accum, validate_any }, |
1118 | { C(templates), &type_string_accum, validate_isdir }, | |
62dc3748 | 1119 | { C(tracklength), &type_stringlist_accum, validate_tracklength }, |
460b9539 | 1120 | { C(transform), &type_transform, validate_any }, |
1121 | { C(trust), &type_string_accum, validate_any }, | |
1122 | { C(url), &type_string, validate_url }, | |
1123 | { C(user), &type_string, validate_isauser }, | |
1124 | { C(username), &type_string, validate_any }, | |
1125 | }; | |
1126 | ||
3f3bb97b | 1127 | /** @brief Find a configuration item's definition by key */ |
460b9539 | 1128 | static const struct conf *find(const char *key) { |
1129 | int n; | |
1130 | ||
ba937f01 | 1131 | if((n = TABLE_FIND(conf, name, key)) < 0) |
460b9539 | 1132 | return 0; |
1133 | return &conf[n]; | |
1134 | } | |
1135 | ||
34d37b3e RK |
1136 | /** @brief Set a new configuration value |
1137 | * @param cs Configuration state | |
1138 | * @param nvec Length of @p vec | |
1139 | * @param vec Name and new value | |
1140 | * @return 0 on success, non-0 on error. | |
1141 | * | |
1142 | * @c vec[0] is the name, the rest is the value. | |
1143 | */ | |
460b9539 | 1144 | static int config_set(const struct config_state *cs, |
1145 | int nvec, char **vec) { | |
1146 | const struct conf *which; | |
1147 | ||
1148 | D(("config_set %s", vec[0])); | |
1149 | if(!(which = find(vec[0]))) { | |
2e9ba080 | 1150 | disorder_error(0, "%s:%d: unknown configuration key '%s'", |
460b9539 | 1151 | cs->path, cs->line, vec[0]); |
1152 | return -1; | |
1153 | } | |
1154 | return (which->validate(cs, nvec - 1, vec + 1) | |
1155 | || which->type->set(cs, which, nvec - 1, vec + 1)); | |
1156 | } | |
1157 | ||
34d37b3e RK |
1158 | /** @brief Set a configuration item from parameters |
1159 | * @param cs Configuration state | |
1160 | * @param which Item to set | |
1161 | * @param ... Value as strings, terminated by (char *)NULL | |
1162 | * @return 0 on success, non-0 on error | |
1163 | */ | |
e6a35d1c RK |
1164 | static int config_set_args(const struct config_state *cs, |
1165 | const char *which, ...) { | |
1166 | va_list ap; | |
1167 | struct vector v[1]; | |
1168 | char *s; | |
1169 | ||
1170 | vector_init(v); | |
1171 | vector_append(v, (char *)which); | |
1172 | va_start(ap, which); | |
1173 | while((s = va_arg(ap, char *))) | |
1174 | vector_append(v, s); | |
1175 | va_end(ap); | |
1176 | vector_terminate(v); | |
1177 | return config_set(cs, v->nvec, v->vec); | |
1178 | } | |
1179 | ||
34d37b3e RK |
1180 | /** @brief Error callback used by config_include() |
1181 | * @param msg Error message | |
1182 | * @param u User data (@ref config_state) | |
1183 | */ | |
460b9539 | 1184 | static void config_error(const char *msg, void *u) { |
1185 | const struct config_state *cs = u; | |
1186 | ||
2e9ba080 | 1187 | disorder_error(0, "%s:%d: %s", cs->path, cs->line, msg); |
460b9539 | 1188 | } |
1189 | ||
34d37b3e RK |
1190 | /** @brief Include a file by name |
1191 | * @param c Configuration to update | |
1192 | * @param path Path to read | |
1193 | * @return 0 on success, non-0 on error | |
1194 | */ | |
460b9539 | 1195 | static int config_include(struct config *c, const char *path) { |
1196 | FILE *fp; | |
1197 | char *buffer, *inputbuffer, **vec; | |
1198 | int n, ret = 0; | |
1199 | struct config_state cs; | |
1200 | ||
1201 | cs.path = path; | |
1202 | cs.line = 0; | |
1203 | cs.config = c; | |
1204 | D(("%s: reading configuration", path)); | |
1205 | if(!(fp = fopen(path, "r"))) { | |
2e9ba080 | 1206 | disorder_error(errno, "error opening %s", path); |
460b9539 | 1207 | return -1; |
1208 | } | |
1209 | while(!inputline(path, fp, &inputbuffer, '\n')) { | |
1210 | ++cs.line; | |
1211 | if(!(buffer = mb2utf8(inputbuffer))) { | |
2e9ba080 | 1212 | disorder_error(errno, "%s:%d: cannot convert to UTF-8", cs.path, cs.line); |
460b9539 | 1213 | ret = -1; |
1214 | xfree(inputbuffer); | |
1215 | continue; | |
1216 | } | |
1217 | xfree(inputbuffer); | |
1218 | if(!(vec = split(buffer, &n, SPLIT_COMMENTS|SPLIT_QUOTES, | |
1219 | config_error, &cs))) { | |
1220 | ret = -1; | |
1221 | xfree(buffer); | |
1222 | continue; | |
1223 | } | |
1224 | if(n) { | |
34d37b3e | 1225 | /* 'include' is special-cased */ |
460b9539 | 1226 | if(!strcmp(vec[0], "include")) { |
1227 | if(n != 2) { | |
2e9ba080 | 1228 | disorder_error(0, "%s:%d: must be 'include PATH'", cs.path, cs.line); |
460b9539 | 1229 | ret = -1; |
1230 | } else | |
1231 | config_include(c, vec[1]); | |
1232 | } else | |
1233 | ret |= config_set(&cs, n, vec); | |
1234 | } | |
1235 | for(n = 0; vec[n]; ++n) xfree(vec[n]); | |
1236 | xfree(vec); | |
1237 | xfree(buffer); | |
1238 | } | |
1239 | if(ferror(fp)) { | |
2e9ba080 | 1240 | disorder_error(errno, "error reading %s", path); |
460b9539 | 1241 | ret = -1; |
1242 | } | |
1243 | fclose(fp); | |
1244 | return ret; | |
1245 | } | |
1246 | ||
34d37b3e | 1247 | /** @brief Default stopword setting */ |
86be0c30 | 1248 | static const char *const default_stopwords[] = { |
1249 | "stopword", | |
1250 | ||
1251 | "01", | |
1252 | "02", | |
1253 | "03", | |
1254 | "04", | |
1255 | "05", | |
1256 | "06", | |
1257 | "07", | |
1258 | "08", | |
1259 | "09", | |
1260 | "1", | |
1261 | "10", | |
1262 | "11", | |
1263 | "12", | |
1264 | "13", | |
1265 | "14", | |
1266 | "15", | |
1267 | "16", | |
1268 | "17", | |
1269 | "18", | |
1270 | "19", | |
1271 | "2", | |
1272 | "20", | |
1273 | "21", | |
1274 | "22", | |
1275 | "23", | |
1276 | "24", | |
1277 | "25", | |
1278 | "26", | |
1279 | "27", | |
1280 | "28", | |
1281 | "29", | |
1282 | "3", | |
1283 | "30", | |
1284 | "4", | |
1285 | "5", | |
1286 | "6", | |
1287 | "7", | |
1288 | "8", | |
1289 | "9", | |
1290 | "a", | |
1291 | "am", | |
1292 | "an", | |
1293 | "and", | |
1294 | "as", | |
1295 | "for", | |
1296 | "i", | |
1297 | "im", | |
1298 | "in", | |
1299 | "is", | |
1300 | "of", | |
1301 | "on", | |
1302 | "the", | |
1303 | "to", | |
1304 | "too", | |
1305 | "we", | |
1306 | }; | |
1307 | #define NDEFAULT_STOPWORDS (sizeof default_stopwords / sizeof *default_stopwords) | |
1308 | ||
34d37b3e | 1309 | /** @brief Default player patterns */ |
e6a35d1c RK |
1310 | static const char *const default_players[] = { |
1311 | "*.ogg", | |
1312 | "*.flac", | |
1313 | "*.mp3", | |
1314 | "*.wav", | |
1315 | }; | |
1316 | #define NDEFAULT_PLAYERS (sizeof default_players / sizeof *default_players) | |
1317 | ||
34d37b3e RK |
1318 | /** @brief Make a new default configuration |
1319 | * @return New configuration | |
1320 | */ | |
460b9539 | 1321 | static struct config *config_default(void) { |
1322 | struct config *c = xmalloc(sizeof *c); | |
1323 | const char *logname; | |
1324 | struct passwd *pw; | |
86be0c30 | 1325 | struct config_state cs; |
e6a35d1c | 1326 | size_t n; |
460b9539 | 1327 | |
86be0c30 | 1328 | cs.path = "<internal>"; |
1329 | cs.line = 0; | |
1330 | cs.config = c; | |
460b9539 | 1331 | /* Strings had better be xstrdup'd as they will get freed at some point. */ |
07bc035e | 1332 | c->gap = 0; |
460b9539 | 1333 | c->history = 60; |
1334 | c->home = xstrdup(pkgstatedir); | |
1335 | if(!(pw = getpwuid(getuid()))) | |
2e9ba080 | 1336 | disorder_fatal(0, "cannot determine our username"); |
460b9539 | 1337 | logname = pw->pw_name; |
1338 | c->username = xstrdup(logname); | |
1339 | c->refresh = 15; | |
02ba7921 | 1340 | c->prefsync = 0; |
460b9539 | 1341 | c->signal = SIGKILL; |
1342 | c->alias = xstrdup("{/artist}{/album}{/title}{ext}"); | |
1343 | c->lock = 1; | |
1344 | c->device = xstrdup("default"); | |
1345 | c->nice_rescan = 10; | |
9d5da576 | 1346 | c->speaker_command = 0; |
1347 | c->sample_format.bits = 16; | |
1348 | c->sample_format.rate = 44100; | |
1349 | c->sample_format.channels = 2; | |
6d2d327c | 1350 | c->sample_format.endian = ENDIAN_NATIVE; |
459d4402 | 1351 | c->queue_pad = 10; |
cebe3127 | 1352 | c->replay_min = 8 * 3600; |
b50cfb8a | 1353 | c->api = NULL; |
23205f9c | 1354 | c->multicast_ttl = 1; |
61941295 | 1355 | c->multicast_loop = 1; |
637fdea3 | 1356 | c->authorization_algorithm = xstrdup("sha1"); |
2a10b70b | 1357 | c->noticed_history = 31; |
61507e3c | 1358 | c->short_display = 32; |
bd8895a8 | 1359 | c->mixer = 0; |
1360 | c->channel = 0; | |
8818b7fc | 1361 | c->dbversion = 2; |
b12be54a RK |
1362 | c->cookie_login_lifetime = 86400; |
1363 | c->cookie_key_lifetime = 86400 * 7; | |
2eee4b0c RK |
1364 | if(sendmail_binary[0] && strcmp(sendmail_binary, "none")) |
1365 | c->sendmail = xstrdup(sendmail_binary); | |
bb6ae3fb | 1366 | c->smtp_server = xstrdup("127.0.0.1"); |
d742bb47 | 1367 | c->new_max = 100; |
6207d2f3 | 1368 | c->reminder_interval = 600; /* 10m */ |
05dcfac6 | 1369 | c->new_bias_age = 7 * 86400; /* 1 week */ |
6151ae7e | 1370 | c->new_bias = 4500000; /* 50 times the base weight */ |
419893d7 | 1371 | c->sox_generation = DEFAULT_SOX_GENERATION; |
2563dc1f | 1372 | c->playlist_max = INT_MAX; /* effectively no limit */ |
ddbf05c8 | 1373 | c->playlist_lock_timeout = 10; /* 10s */ |
e6a35d1c | 1374 | /* Default stopwords */ |
86be0c30 | 1375 | if(config_set(&cs, (int)NDEFAULT_STOPWORDS, (char **)default_stopwords)) |
1376 | exit(1); | |
e6a35d1c RK |
1377 | /* Default player configuration */ |
1378 | for(n = 0; n < NDEFAULT_PLAYERS; ++n) { | |
1379 | if(config_set_args(&cs, "player", | |
1380 | default_players[n], "execraw", "disorder-decode", (char *)0)) | |
1381 | exit(1); | |
1382 | if(config_set_args(&cs, "tracklength", | |
1383 | default_players[n], "disorder-tracklength", (char *)0)) | |
1384 | exit(1); | |
1385 | } | |
76e72f65 RK |
1386 | c->broadcast.af = -1; |
1387 | c->broadcast_from.af = -1; | |
80dc2c5f | 1388 | c->listen.af = -1; |
e41a9999 | 1389 | c->connect.af = -1; |
460b9539 | 1390 | return c; |
1391 | } | |
1392 | ||
34d37b3e RK |
1393 | /** @brief Construct a filename |
1394 | * @param c Configuration | |
1395 | * @param name Base filename | |
1396 | * @return Full filename | |
1397 | * | |
1398 | * Usually use config_get_file() instead. | |
1399 | */ | |
319d7107 | 1400 | char *config_get_file2(struct config *c, const char *name) { |
460b9539 | 1401 | char *s; |
1402 | ||
1403 | byte_xasprintf(&s, "%s/%s", c->home, name); | |
1404 | return s; | |
1405 | } | |
1406 | ||
3f3bb97b | 1407 | /** @brief Set the default configuration file */ |
460b9539 | 1408 | static void set_configfile(void) { |
1409 | if(!configfile) | |
1410 | byte_xasprintf(&configfile, "%s/config", pkgconfdir); | |
1411 | } | |
1412 | ||
34d37b3e RK |
1413 | /** @brief Free a configuration object |
1414 | * @param c Configuration to free | |
1415 | * | |
1416 | * @p c is indeterminate after this function is called. | |
1417 | */ | |
460b9539 | 1418 | static void config_free(struct config *c) { |
1419 | int n; | |
1420 | ||
1421 | if(c) { | |
1422 | for(n = 0; n < (int)(sizeof conf / sizeof *conf); ++n) | |
1423 | conf[n].type->free(c, &conf[n]); | |
1424 | for(n = 0; n < c->nparts; ++n) | |
1425 | xfree(c->parts[n]); | |
1426 | xfree(c->parts); | |
1427 | xfree(c); | |
1428 | } | |
1429 | } | |
1430 | ||
34d37b3e RK |
1431 | /** @brief Set post-parse defaults |
1432 | * @param c Configuration to update | |
1433 | * @param server True when running in the server | |
1434 | * | |
1435 | * If @p server is set then certain parts of the configuration are more | |
1436 | * strictly validated. | |
1437 | */ | |
c00fce3a RK |
1438 | static void config_postdefaults(struct config *c, |
1439 | int server) { | |
460b9539 | 1440 | struct config_state cs; |
1441 | const struct conf *whoami; | |
1442 | int n; | |
1443 | ||
1444 | static const char *namepart[][4] = { | |
bcf50f5c | 1445 | { "title", "/([0-9]+ *[-:]? *)?([^/]+)\\.[a-zA-Z0-9]+$", "$2", "display" }, |
460b9539 | 1446 | { "title", "/([^/]+)\\.[a-zA-Z0-9]+$", "$1", "sort" }, |
1447 | { "album", "/([^/]+)/[^/]+$", "$1", "*" }, | |
1448 | { "artist", "/([^/]+)/[^/]+/[^/]+$", "$1", "*" }, | |
1449 | { "ext", "(\\.[a-zA-Z0-9]+)$", "$1", "*" }, | |
1450 | }; | |
1451 | #define NNAMEPART (int)(sizeof namepart / sizeof *namepart) | |
1452 | ||
1453 | static const char *transform[][5] = { | |
bcf50f5c | 1454 | { "track", "^.*/([0-9]+ *[-:]? *)?([^/]+)\\.[a-zA-Z0-9]+$", "$2", "display", "" }, |
460b9539 | 1455 | { "track", "^.*/([^/]+)\\.[a-zA-Z0-9]+$", "$1", "sort", "" }, |
1456 | { "dir", "^.*/([^/]+)$", "$1", "*", "" }, | |
1457 | { "dir", "^(the) ([^/]*)", "$2, $1", "sort", "i", }, | |
1458 | { "dir", "[[:punct:]]", "", "sort", "g", } | |
1459 | }; | |
1460 | #define NTRANSFORM (int)(sizeof transform / sizeof *transform) | |
1461 | ||
1462 | cs.path = "<internal>"; | |
1463 | cs.line = 0; | |
1464 | cs.config = c; | |
1465 | if(!c->namepart.n) { | |
1466 | whoami = find("namepart"); | |
1467 | for(n = 0; n < NNAMEPART; ++n) | |
1468 | set_namepart(&cs, whoami, 4, (char **)namepart[n]); | |
1469 | } | |
1470 | if(!c->transform.n) { | |
1471 | whoami = find("transform"); | |
1472 | for(n = 0; n < NTRANSFORM; ++n) | |
1473 | set_transform(&cs, whoami, 5, (char **)transform[n]); | |
1474 | } | |
b50cfb8a | 1475 | if(!c->api) { |
e83d0967 | 1476 | if(c->speaker_command) |
b50cfb8a | 1477 | c->api = xstrdup("command"); |
76e72f65 | 1478 | else if(c->broadcast.af != -1) |
b50cfb8a RK |
1479 | c->api = xstrdup("rtp"); |
1480 | else if(config_uaudio_apis) | |
1481 | c->api = xstrdup(config_uaudio_apis[0]->name); | |
8aae240b | 1482 | else |
b50cfb8a | 1483 | c->api = xstrdup("<none>"); |
e83d0967 | 1484 | } |
b50cfb8a RK |
1485 | if(!strcmp(c->api, "network")) |
1486 | c->api = xstrdup("rtp"); | |
c00fce3a | 1487 | if(server) { |
b50cfb8a | 1488 | if(!strcmp(c->api, "command") && !c->speaker_command) |
2e9ba080 | 1489 | disorder_fatal(0, "'api command' but speaker_command is not set"); |
76e72f65 | 1490 | if((!strcmp(c->api, "rtp")) && c->broadcast.af == -1) |
2e9ba080 | 1491 | disorder_fatal(0, "'api rtp' but broadcast is not set"); |
c00fce3a | 1492 | } |
e99d42b1 | 1493 | /* Override sample format */ |
b50cfb8a | 1494 | if(!strcmp(c->api, "rtp")) { |
6d2d327c RK |
1495 | c->sample_format.rate = 44100; |
1496 | c->sample_format.channels = 2; | |
1497 | c->sample_format.bits = 16; | |
b50cfb8a RK |
1498 | c->sample_format.endian = ENDIAN_NATIVE; |
1499 | } | |
1500 | if(!strcmp(c->api, "coreaudio")) { | |
937be4c0 RK |
1501 | c->sample_format.rate = 44100; |
1502 | c->sample_format.channels = 2; | |
1503 | c->sample_format.bits = 16; | |
1504 | c->sample_format.endian = ENDIAN_NATIVE; | |
04e1fa7c RK |
1505 | } |
1506 | if(!c->default_rights) { | |
1507 | rights_type r = RIGHTS__MASK & ~(RIGHT_ADMIN|RIGHT_REGISTER | |
1508 | |RIGHT_MOVE__MASK | |
1509 | |RIGHT_SCRATCH__MASK | |
1510 | |RIGHT_REMOVE__MASK); | |
1511 | /* The idea is to approximate the meaning of the old 'restrict' directive | |
1512 | * in the default rights if they are not overridden. */ | |
1513 | if(c->restrictions & RESTRICT_SCRATCH) | |
1514 | r |= RIGHT_SCRATCH_MINE|RIGHT_SCRATCH_RANDOM; | |
1515 | else | |
1516 | r |= RIGHT_SCRATCH_ANY; | |
1517 | if(!(c->restrictions & RESTRICT_MOVE)) | |
1518 | r |= RIGHT_MOVE_ANY; | |
1519 | if(c->restrictions & RESTRICT_REMOVE) | |
1520 | r |= RIGHT_REMOVE_MINE; | |
1521 | else | |
1522 | r |= RIGHT_REMOVE_ANY; | |
0f55e905 | 1523 | c->default_rights = rights_string(r); |
04e1fa7c | 1524 | } |
460b9539 | 1525 | } |
1526 | ||
c00fce3a RK |
1527 | /** @brief (Re-)read the config file |
1528 | * @param server If set, do extra checking | |
02ba7921 RK |
1529 | * @param oldconfig Old configuration for compatibility check |
1530 | * @return 0 on success, non-0 on error | |
1531 | * | |
1532 | * If @p oldconfig is set, then certain compatibility checks are done between | |
1533 | * the old and new configurations. | |
c00fce3a | 1534 | */ |
02ba7921 RK |
1535 | int config_read(int server, |
1536 | const struct config *oldconfig) { | |
460b9539 | 1537 | struct config *c; |
1538 | char *privconf; | |
1539 | struct passwd *pw; | |
1540 | ||
1541 | set_configfile(); | |
1542 | c = config_default(); | |
9ade2319 | 1543 | /* standalone Disobedience installs might not have a global config file */ |
1544 | if(access(configfile, F_OK) == 0) | |
1545 | if(config_include(c, configfile)) | |
1546 | return -1; | |
460b9539 | 1547 | /* if we can read the private config file, do */ |
1548 | if((privconf = config_private()) | |
1549 | && access(privconf, R_OK) == 0 | |
1550 | && config_include(c, privconf)) | |
1551 | return -1; | |
1552 | xfree(privconf); | |
1553 | /* if there's a per-user system config file for this user, read it */ | |
63ad732f RK |
1554 | if(config_per_user) { |
1555 | if(!(pw = getpwuid(getuid()))) | |
2e9ba080 | 1556 | disorder_fatal(0, "cannot determine our username"); |
63ad732f RK |
1557 | if((privconf = config_usersysconf(pw)) |
1558 | && access(privconf, F_OK) == 0 | |
1559 | && config_include(c, privconf)) | |
460b9539 | 1560 | return -1; |
63ad732f RK |
1561 | xfree(privconf); |
1562 | /* if we have a password file, read it */ | |
5b14453f | 1563 | if((privconf = config_userconf(0, pw)) |
63ad732f RK |
1564 | && access(privconf, F_OK) == 0 |
1565 | && config_include(c, privconf)) | |
1566 | return -1; | |
1567 | xfree(privconf); | |
1568 | } | |
460b9539 | 1569 | /* install default namepart and transform settings */ |
c00fce3a | 1570 | config_postdefaults(c, server); |
02ba7921 RK |
1571 | if(oldconfig) { |
1572 | int failed = 0; | |
1573 | if(strcmp(c->home, oldconfig->home)) { | |
2e9ba080 | 1574 | disorder_error(0, "'home' cannot be changed without a restart"); |
02ba7921 RK |
1575 | failed = 1; |
1576 | } | |
1577 | if(strcmp(c->alias, oldconfig->alias)) { | |
2e9ba080 | 1578 | disorder_error(0, "'alias' cannot be changed without a restart"); |
02ba7921 RK |
1579 | failed = 1; |
1580 | } | |
1581 | if(strcmp(c->user, oldconfig->user)) { | |
2e9ba080 | 1582 | disorder_error(0, "'user' cannot be changed without a restart"); |
02ba7921 RK |
1583 | failed = 1; |
1584 | } | |
1585 | if(c->nice_speaker != oldconfig->nice_speaker) { | |
2e9ba080 | 1586 | disorder_error(0, "'nice_speaker' cannot be changed without a restart"); |
02ba7921 RK |
1587 | /* ...but we accept the new config anyway */ |
1588 | } | |
553d8115 | 1589 | if(c->nice_server != oldconfig->nice_server) { |
2e9ba080 | 1590 | disorder_error(0, "'nice_server' cannot be changed without a restart"); |
553d8115 RK |
1591 | /* ...but we accept the new config anyway */ |
1592 | } | |
9417e1a3 | 1593 | if(namepartlist_compare(&c->namepart, &oldconfig->namepart)) { |
2e9ba080 | 1594 | disorder_error(0, "'namepart' settings cannot be changed without a restart"); |
9417e1a3 RK |
1595 | failed = 1; |
1596 | } | |
1597 | if(stringlist_compare(&c->stopword, &oldconfig->stopword)) { | |
2e9ba080 | 1598 | disorder_error(0, "'stopword' settings cannot be changed without a restart"); |
9417e1a3 RK |
1599 | failed = 1; |
1600 | } | |
02ba7921 | 1601 | if(failed) { |
2e9ba080 | 1602 | disorder_error(0, "not installing incompatible new configuration"); |
02ba7921 RK |
1603 | return -1; |
1604 | } | |
1605 | } | |
460b9539 | 1606 | /* everything is good so we shall use the new config */ |
1607 | config_free(config); | |
04e1fa7c RK |
1608 | /* warn about obsolete directives */ |
1609 | if(c->restrictions) | |
2e9ba080 | 1610 | disorder_error(0, "'restrict' will be removed in a future version"); |
04e1fa7c | 1611 | if(c->allow.n) |
2e9ba080 | 1612 | disorder_error(0, "'allow' will be removed in a future version"); |
04e1fa7c | 1613 | if(c->trust.n) |
2e9ba080 | 1614 | disorder_error(0, "'trust' will be removed in a future version"); |
02ba7921 | 1615 | if(!c->lock) |
2e9ba080 | 1616 | disorder_error(0, "'lock' will be removed in a future version"); |
02ba7921 | 1617 | if(c->gap) |
2e9ba080 | 1618 | disorder_error(0, "'gap' will be removed in a future version"); |
02ba7921 | 1619 | if(c->prefsync) |
2e9ba080 | 1620 | disorder_error(0, "'prefsync' will be removed in a future version"); |
460b9539 | 1621 | config = c; |
1622 | return 0; | |
1623 | } | |
1624 | ||
3f3bb97b | 1625 | /** @brief Return the path to the private configuration file */ |
460b9539 | 1626 | char *config_private(void) { |
1627 | char *s; | |
1628 | ||
1629 | set_configfile(); | |
1630 | byte_xasprintf(&s, "%s.private", configfile); | |
1631 | return s; | |
1632 | } | |
1633 | ||
3f3bb97b | 1634 | /** @brief Return the path to user's personal configuration file */ |
460b9539 | 1635 | char *config_userconf(const char *home, const struct passwd *pw) { |
1636 | char *s; | |
1637 | ||
73f1b9f3 | 1638 | if(!home && !pw && !(pw = getpwuid(getuid()))) |
2e9ba080 | 1639 | disorder_fatal(0, "cannot determine our username"); |
460b9539 | 1640 | byte_xasprintf(&s, "%s/.disorder/passwd", home ? home : pw->pw_dir); |
1641 | return s; | |
1642 | } | |
1643 | ||
3f3bb97b RK |
1644 | /** @brief Return the path to user-specific system configuration */ |
1645 | char *config_usersysconf(const struct passwd *pw) { | |
460b9539 | 1646 | char *s; |
1647 | ||
1648 | set_configfile(); | |
1649 | if(!strchr(pw->pw_name, '/')) { | |
1650 | byte_xasprintf(&s, "%s.%s", configfile, pw->pw_name); | |
1651 | return s; | |
1652 | } else | |
1653 | return 0; | |
1654 | } | |
1655 | ||
34d37b3e RK |
1656 | /** @brief Get a filename within the home directory |
1657 | * @param name Relative name | |
1658 | * @return Full path | |
1659 | */ | |
460b9539 | 1660 | char *config_get_file(const char *name) { |
319d7107 | 1661 | return config_get_file2(config, name); |
460b9539 | 1662 | } |
1663 | ||
34d37b3e RK |
1664 | /** @brief Order two stringlists |
1665 | * @param a First stringlist | |
1666 | * @param b Second stringlist | |
1667 | * @return <0, 0 or >0 if a<b, a=b or a>b | |
1668 | */ | |
9417e1a3 RK |
1669 | static int stringlist_compare(const struct stringlist *a, |
1670 | const struct stringlist *b) { | |
e4132fd0 | 1671 | int n = 0, c; |
9417e1a3 RK |
1672 | |
1673 | while(n < a->n && n < b->n) { | |
1674 | if((c = strcmp(a->s[n], b->s[n]))) | |
1675 | return c; | |
1676 | ++n; | |
1677 | } | |
1678 | if(a->n < b->n) | |
1679 | return -1; | |
1680 | else if(a->n > b->n) | |
1681 | return 1; | |
1682 | else | |
1683 | return 0; | |
1684 | } | |
1685 | ||
34d37b3e RK |
1686 | /** @brief Order two namepart definitions |
1687 | * @param a First namepart definition | |
1688 | * @param b Second namepart definition | |
1689 | * @return <0, 0 or >0 if a<b, a=b or a>b | |
1690 | */ | |
9417e1a3 RK |
1691 | static int namepart_compare(const struct namepart *a, |
1692 | const struct namepart *b) { | |
1693 | int c; | |
1694 | ||
1695 | if((c = strcmp(a->part, b->part))) | |
1696 | return c; | |
1697 | if((c = strcmp(a->res, b->res))) | |
1698 | return c; | |
1699 | if((c = strcmp(a->replace, b->replace))) | |
1700 | return c; | |
1701 | if((c = strcmp(a->context, b->context))) | |
1702 | return c; | |
1703 | if(a->reflags > b->reflags) | |
1704 | return 1; | |
1705 | if(a->reflags < b->reflags) | |
1706 | return -1; | |
1707 | return 0; | |
1708 | } | |
1709 | ||
34d37b3e RK |
1710 | /** @brief Order two lists of namepart definitions |
1711 | * @param a First list of namepart definitions | |
1712 | * @param b Second list of namepart definitions | |
1713 | * @return <0, 0 or >0 if a<b, a=b or a>b | |
1714 | */ | |
9417e1a3 RK |
1715 | static int namepartlist_compare(const struct namepartlist *a, |
1716 | const struct namepartlist *b) { | |
e4132fd0 | 1717 | int n = 0, c; |
9417e1a3 RK |
1718 | |
1719 | while(n < a->n && n < b->n) { | |
1720 | if((c = namepart_compare(&a->s[n], &b->s[n]))) | |
1721 | return c; | |
1722 | ++n; | |
1723 | } | |
1724 | if(a->n > b->n) | |
1725 | return 1; | |
1726 | else if(a->n < b->n) | |
1727 | return -1; | |
1728 | else | |
1729 | return 0; | |
1730 | } | |
1731 | ||
460b9539 | 1732 | /* |
1733 | Local Variables: | |
1734 | c-basic-offset:2 | |
1735 | comment-column:40 | |
1736 | fill-column:79 | |
1737 | End: | |
1738 | */ |