Commit | Line | Data |
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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 | ||
326 | static int set_restrict(const struct config_state *cs, | |
327 | const struct conf *whoami, | |
328 | int nvec, char **vec) { | |
329 | unsigned r = 0; | |
330 | int n, i; | |
331 | ||
332 | static const struct restriction { | |
333 | const char *name; | |
334 | unsigned bit; | |
335 | } restrictions[] = { | |
336 | { "remove", RESTRICT_REMOVE }, | |
337 | { "scratch", RESTRICT_SCRATCH }, | |
338 | { "move", RESTRICT_MOVE }, | |
339 | }; | |
340 | ||
341 | for(n = 0; n < nvec; ++n) { | |
ba937f01 | 342 | if((i = TABLE_FIND(restrictions, name, vec[n])) < 0) { |
2e9ba080 RK |
343 | disorder_error(0, "%s:%d: invalid restriction '%s'", |
344 | cs->path, cs->line, vec[n]); | |
460b9539 | 345 | return -1; |
346 | } | |
347 | r |= restrictions[i].bit; | |
348 | } | |
349 | VALUE(cs->config, unsigned) = r; | |
350 | return 0; | |
351 | } | |
352 | ||
9d5da576 | 353 | static int parse_sample_format(const struct config_state *cs, |
6d2d327c | 354 | struct stream_header *format, |
9d5da576 | 355 | int nvec, char **vec) { |
356 | char *p = vec[0]; | |
357 | long t; | |
358 | ||
6d2d327c | 359 | if(nvec != 1) { |
2e9ba080 | 360 | disorder_error(0, "%s:%d: wrong number of arguments", cs->path, cs->line); |
9d5da576 | 361 | return -1; |
362 | } | |
6d2d327c | 363 | if(xstrtol(&t, p, &p, 0)) { |
2e9ba080 RK |
364 | disorder_error(errno, "%s:%d: converting bits-per-sample", |
365 | cs->path, cs->line); | |
9d5da576 | 366 | return -1; |
367 | } | |
6d2d327c | 368 | if(t != 8 && t != 16) { |
ef0a7964 | 369 | disorder_error(0, "%s:%d: bad bits-per-sample (%ld)", |
2e9ba080 | 370 | cs->path, cs->line, t); |
9d5da576 | 371 | return -1; |
372 | } | |
6d2d327c | 373 | if(format) format->bits = t; |
9d5da576 | 374 | switch (*p) { |
6d2d327c RK |
375 | case 'l': case 'L': t = ENDIAN_LITTLE; p++; break; |
376 | case 'b': case 'B': t = ENDIAN_BIG; p++; break; | |
377 | default: t = ENDIAN_NATIVE; break; | |
9d5da576 | 378 | } |
6d2d327c RK |
379 | if(format) format->endian = t; |
380 | if(*p != '/') { | |
2e9ba080 | 381 | disorder_error(errno, "%s:%d: expected `/' after bits-per-sample", |
9d5da576 | 382 | cs->path, cs->line); |
383 | return -1; | |
384 | } | |
385 | p++; | |
6d2d327c | 386 | if(xstrtol(&t, p, &p, 0)) { |
2e9ba080 | 387 | disorder_error(errno, "%s:%d: converting sample-rate", cs->path, cs->line); |
9d5da576 | 388 | return -1; |
389 | } | |
6d2d327c | 390 | if(t < 1 || t > INT_MAX) { |
2e9ba080 | 391 | disorder_error(0, "%s:%d: silly sample-rate (%ld)", cs->path, cs->line, t); |
9d5da576 | 392 | return -1; |
393 | } | |
6d2d327c RK |
394 | if(format) format->rate = t; |
395 | if(*p != '/') { | |
2e9ba080 RK |
396 | disorder_error(0, "%s:%d: expected `/' after sample-rate", |
397 | cs->path, cs->line); | |
9d5da576 | 398 | return -1; |
399 | } | |
400 | p++; | |
6d2d327c | 401 | if(xstrtol(&t, p, &p, 0)) { |
2e9ba080 | 402 | disorder_error(errno, "%s:%d: converting channels", cs->path, cs->line); |
9d5da576 | 403 | return -1; |
404 | } | |
6d2d327c | 405 | if(t < 1 || t > 8) { |
2e9ba080 RK |
406 | disorder_error(0, "%s:%d: silly number (%ld) of channels", |
407 | cs->path, cs->line, t); | |
9d5da576 | 408 | return -1; |
409 | } | |
6d2d327c RK |
410 | if(format) format->channels = t; |
411 | if(*p) { | |
2e9ba080 | 412 | disorder_error(0, "%s:%d: junk after channels", cs->path, cs->line); |
9d5da576 | 413 | return -1; |
414 | } | |
415 | return 0; | |
416 | } | |
417 | ||
418 | static int set_sample_format(const struct config_state *cs, | |
419 | const struct conf *whoami, | |
420 | int nvec, char **vec) { | |
6d2d327c | 421 | return parse_sample_format(cs, ADDRESS(cs->config, struct stream_header), |
9d5da576 | 422 | nvec, vec); |
423 | } | |
424 | ||
460b9539 | 425 | static int set_namepart(const struct config_state *cs, |
426 | const struct conf *whoami, | |
427 | int nvec, char **vec) { | |
428 | struct namepartlist *npl = ADDRESS(cs->config, struct namepartlist); | |
429 | unsigned reflags; | |
430 | const char *errstr; | |
431 | int erroffset, n; | |
432 | pcre *re; | |
433 | ||
434 | if(nvec < 3) { | |
2e9ba080 RK |
435 | disorder_error(0, "%s:%d: namepart needs at least 3 arguments", |
436 | cs->path, cs->line); | |
460b9539 | 437 | return -1; |
438 | } | |
439 | if(nvec > 5) { | |
2e9ba080 RK |
440 | disorder_error(0, "%s:%d: namepart needs at most 5 arguments", |
441 | cs->path, cs->line); | |
460b9539 | 442 | return -1; |
443 | } | |
444 | reflags = nvec >= 5 ? regsub_flags(vec[4]) : 0; | |
445 | if(!(re = pcre_compile(vec[1], | |
446 | PCRE_UTF8 | |
447 | |regsub_compile_options(reflags), | |
448 | &errstr, &erroffset, 0))) { | |
2e9ba080 RK |
449 | disorder_error(0, "%s:%d: compiling regexp /%s/: %s (offset %d)", |
450 | cs->path, cs->line, vec[1], errstr, erroffset); | |
460b9539 | 451 | return -1; |
452 | } | |
453 | npl->s = xrealloc(npl->s, (npl->n + 1) * sizeof (struct namepart)); | |
454 | npl->s[npl->n].part = xstrdup(vec[0]); | |
455 | npl->s[npl->n].re = re; | |
9417e1a3 | 456 | npl->s[npl->n].res = xstrdup(vec[1]); |
460b9539 | 457 | npl->s[npl->n].replace = xstrdup(vec[2]); |
458 | npl->s[npl->n].context = xstrdup(vec[3]); | |
459 | npl->s[npl->n].reflags = reflags; | |
460 | ++npl->n; | |
461 | /* XXX a bit of a bodge; relies on there being very few parts. */ | |
462 | for(n = 0; (n < cs->config->nparts | |
463 | && strcmp(cs->config->parts[n], vec[0])); ++n) | |
464 | ; | |
465 | if(n >= cs->config->nparts) { | |
466 | cs->config->parts = xrealloc(cs->config->parts, | |
467 | (cs->config->nparts + 1) * sizeof (char *)); | |
468 | cs->config->parts[cs->config->nparts++] = xstrdup(vec[0]); | |
469 | } | |
470 | return 0; | |
471 | } | |
472 | ||
473 | static int set_transform(const struct config_state *cs, | |
474 | const struct conf *whoami, | |
475 | int nvec, char **vec) { | |
476 | struct transformlist *tl = ADDRESS(cs->config, struct transformlist); | |
477 | pcre *re; | |
478 | unsigned reflags; | |
479 | const char *errstr; | |
480 | int erroffset; | |
481 | ||
482 | if(nvec < 3) { | |
2e9ba080 RK |
483 | disorder_error(0, "%s:%d: transform needs at least 3 arguments", |
484 | cs->path, cs->line); | |
460b9539 | 485 | return -1; |
486 | } | |
487 | if(nvec > 5) { | |
2e9ba080 RK |
488 | disorder_error(0, "%s:%d: transform needs at most 5 arguments", |
489 | cs->path, cs->line); | |
460b9539 | 490 | return -1; |
491 | } | |
492 | reflags = (nvec >= 5 ? regsub_flags(vec[4]) : 0); | |
493 | if(!(re = pcre_compile(vec[1], | |
494 | PCRE_UTF8 | |
495 | |regsub_compile_options(reflags), | |
496 | &errstr, &erroffset, 0))) { | |
2e9ba080 RK |
497 | disorder_error(0, "%s:%d: compiling regexp /%s/: %s (offset %d)", |
498 | cs->path, cs->line, vec[1], errstr, erroffset); | |
460b9539 | 499 | return -1; |
500 | } | |
501 | tl->t = xrealloc(tl->t, (tl->n + 1) * sizeof (struct namepart)); | |
502 | tl->t[tl->n].type = xstrdup(vec[0]); | |
503 | tl->t[tl->n].context = xstrdup(vec[3] ? vec[3] : "*"); | |
504 | tl->t[tl->n].re = re; | |
505 | tl->t[tl->n].replace = xstrdup(vec[2]); | |
506 | tl->t[tl->n].flags = reflags; | |
507 | ++tl->n; | |
508 | return 0; | |
509 | } | |
510 | ||
04e1fa7c RK |
511 | static int set_rights(const struct config_state *cs, |
512 | const struct conf *whoami, | |
513 | int nvec, char **vec) { | |
04e1fa7c | 514 | if(nvec != 1) { |
2e9ba080 RK |
515 | disorder_error(0, "%s:%d: '%s' requires one argument", |
516 | cs->path, cs->line, whoami->name); | |
04e1fa7c RK |
517 | return -1; |
518 | } | |
0f55e905 | 519 | if(parse_rights(vec[0], 0, 1)) { |
2e9ba080 RK |
520 | disorder_error(0, "%s:%d: invalid rights string '%s'", |
521 | cs->path, cs->line, vec[0]); | |
04e1fa7c RK |
522 | return -1; |
523 | } | |
47854c5f | 524 | return set_string(cs, whoami, nvec, vec); |
04e1fa7c RK |
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 }, |
47854c5f | 647 | type_rights = { set_rights, free_string }; |
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) { | |
b3756e27 | 838 | if(!getpwnam(vec[0])) { |
2e9ba080 | 839 | disorder_error(0, "%s:%d: no such user as '%s'", cs->path, cs->line, vec[0]); |
460b9539 | 840 | return -1; |
841 | } | |
842 | return 0; | |
843 | } | |
844 | ||
34d37b3e RK |
845 | /** @brief Validate a sample format string |
846 | * @param cs Configuration state | |
847 | * @param nvec Length of (proposed) new value | |
848 | * @param vec Elements of new value | |
849 | * @return 0 on success, non-0 on error | |
850 | */ | |
9d5da576 | 851 | static int validate_sample_format(const struct config_state *cs, |
852 | int attribute((unused)) nvec, | |
853 | char **vec) { | |
854 | return parse_sample_format(cs, 0, nvec, vec); | |
855 | } | |
856 | ||
34d37b3e RK |
857 | /** @brief Validate anything |
858 | * @param cs Configuration state | |
859 | * @param nvec Length of (proposed) new value | |
860 | * @param vec Elements of new value | |
861 | * @return 0 | |
862 | */ | |
460b9539 | 863 | static int validate_any(const struct config_state attribute((unused)) *cs, |
864 | int attribute((unused)) nvec, | |
865 | char attribute((unused)) **vec) { | |
866 | return 0; | |
867 | } | |
868 | ||
34d37b3e RK |
869 | /** @brief Validate a URL |
870 | * @param cs Configuration state | |
871 | * @param nvec Length of (proposed) new value | |
872 | * @param vec Elements of new value | |
873 | * @return 0 on success, non-0 on error | |
874 | * | |
875 | * Rather cursory. | |
876 | */ | |
460b9539 | 877 | static int validate_url(const struct config_state attribute((unused)) *cs, |
878 | int attribute((unused)) nvec, | |
879 | char **vec) { | |
880 | const char *s; | |
881 | int n; | |
882 | /* absoluteURI = scheme ":" ( hier_part | opaque_part ) | |
883 | scheme = alpha *( alpha | digit | "+" | "-" | "." ) */ | |
884 | s = vec[0]; | |
885 | n = strspn(s, ("abcdefghijklmnopqrstuvwxyz" | |
886 | "ABCDEFGHIJKLMNOPQRSTUVWXYZ" | |
887 | "0123456789")); | |
888 | if(s[n] != ':') { | |
2e9ba080 | 889 | disorder_error(0, "%s:%d: invalid url '%s'", cs->path, cs->line, vec[0]); |
460b9539 | 890 | return -1; |
891 | } | |
892 | if(!strncmp(s, "http:", 5) | |
893 | || !strncmp(s, "https:", 6)) { | |
894 | s += n + 1; | |
895 | /* we only do a rather cursory check */ | |
896 | if(strncmp(s, "//", 2)) { | |
2e9ba080 | 897 | disorder_error(0, "%s:%d: invalid url '%s'", cs->path, cs->line, vec[0]); |
460b9539 | 898 | return -1; |
899 | } | |
900 | } | |
901 | return 0; | |
902 | } | |
903 | ||
34d37b3e RK |
904 | /** @brief Validate an alias pattern |
905 | * @param cs Configuration state | |
906 | * @param nvec Length of (proposed) new value | |
907 | * @param vec Elements of new value | |
908 | * @return 0 on success, non-0 on error | |
909 | */ | |
460b9539 | 910 | static int validate_alias(const struct config_state *cs, |
911 | int nvec, | |
912 | char **vec) { | |
913 | const char *s; | |
914 | int in_brackets = 0, c; | |
915 | ||
916 | if(nvec < 1) { | |
2e9ba080 | 917 | disorder_error(0, "%s:%d: missing argument", cs->path, cs->line); |
460b9539 | 918 | return -1; |
919 | } | |
920 | if(nvec > 1) { | |
2e9ba080 | 921 | disorder_error(0, "%s:%d: too many arguments", cs->path, cs->line); |
460b9539 | 922 | return -1; |
923 | } | |
924 | s = vec[0]; | |
925 | while((c = (unsigned char)*s++)) { | |
926 | if(in_brackets) { | |
927 | if(c == '}') | |
928 | in_brackets = 0; | |
929 | else if(!isalnum(c)) { | |
2e9ba080 RK |
930 | disorder_error(0, "%s:%d: invalid part name in alias expansion in '%s'", |
931 | cs->path, cs->line, vec[0]); | |
460b9539 | 932 | return -1; |
933 | } | |
934 | } else { | |
935 | if(c == '{') { | |
936 | in_brackets = 1; | |
937 | if(*s == '/') | |
938 | ++s; | |
939 | } else if(c == '\\') { | |
940 | if(!(c = (unsigned char)*s++)) { | |
2e9ba080 RK |
941 | disorder_error(0, "%s:%d: unterminated escape in alias expansion in '%s'", |
942 | cs->path, cs->line, vec[0]); | |
460b9539 | 943 | return -1; |
944 | } else if(c != '\\' && c != '{') { | |
2e9ba080 RK |
945 | disorder_error(0, "%s:%d: invalid escape in alias expansion in '%s'", |
946 | cs->path, cs->line, vec[0]); | |
460b9539 | 947 | return -1; |
948 | } | |
949 | } | |
950 | } | |
951 | ++s; | |
952 | } | |
953 | if(in_brackets) { | |
2e9ba080 RK |
954 | disorder_error(0, |
955 | "%s:%d: unterminated part name in alias expansion in '%s'", | |
956 | cs->path, cs->line, vec[0]); | |
460b9539 | 957 | return -1; |
958 | } | |
959 | return 0; | |
960 | } | |
961 | ||
34d37b3e RK |
962 | /** @brief Validate a hash algorithm name |
963 | * @param cs Configuration state | |
964 | * @param nvec Length of (proposed) new value | |
965 | * @param vec Elements of new value | |
966 | * @return 0 on success, non-0 on error | |
967 | */ | |
637fdea3 RK |
968 | static int validate_algo(const struct config_state attribute((unused)) *cs, |
969 | int nvec, | |
970 | char **vec) { | |
971 | if(nvec != 1) { | |
2e9ba080 | 972 | disorder_error(0, "%s:%d: invalid algorithm specification", cs->path, cs->line); |
637fdea3 RK |
973 | return -1; |
974 | } | |
975 | if(!valid_authhash(vec[0])) { | |
2e9ba080 | 976 | disorder_error(0, "%s:%d: unsuported algorithm '%s'", cs->path, cs->line, vec[0]); |
637fdea3 RK |
977 | return -1; |
978 | } | |
979 | return 0; | |
980 | } | |
981 | ||
34d37b3e RK |
982 | /** @brief Validate a playback backend name |
983 | * @param cs Configuration state | |
984 | * @param nvec Length of (proposed) new value | |
985 | * @param vec Elements of new value | |
986 | * @return 0 on success, non-0 on error | |
987 | */ | |
b50cfb8a RK |
988 | static int validate_backend(const struct config_state attribute((unused)) *cs, |
989 | int nvec, | |
990 | char **vec) { | |
991 | int n; | |
992 | if(nvec != 1) { | |
2e9ba080 | 993 | disorder_error(0, "%s:%d: invalid sound API specification", cs->path, cs->line); |
b50cfb8a RK |
994 | return -1; |
995 | } | |
996 | if(!strcmp(vec[0], "network")) { | |
2e9ba080 | 997 | disorder_error(0, "'api network' is deprecated; use 'api rtp'"); |
b50cfb8a RK |
998 | return 0; |
999 | } | |
1000 | if(config_uaudio_apis) { | |
1001 | for(n = 0; config_uaudio_apis[n]; ++n) | |
1002 | if(!strcmp(vec[0], config_uaudio_apis[n]->name)) | |
1003 | return 0; | |
2e9ba080 | 1004 | disorder_error(0, "%s:%d: unrecognized sound API '%s'", cs->path, cs->line, vec[0]); |
b50cfb8a RK |
1005 | return -1; |
1006 | } | |
1007 | /* In non-server processes we have no idea what's valid */ | |
1008 | return 0; | |
1009 | } | |
1010 | ||
34d37b3e RK |
1011 | /** @brief Validate a pause mode string |
1012 | * @param cs Configuration state | |
1013 | * @param nvec Length of (proposed) new value | |
1014 | * @param vec Elements of new value | |
1015 | * @return 0 on success, non-0 on error | |
1016 | */ | |
f75ab9d3 RK |
1017 | static int validate_pausemode(const struct config_state attribute((unused)) *cs, |
1018 | int nvec, | |
1019 | char **vec) { | |
1020 | if(nvec == 1 && (!strcmp(vec[0], "silence") || !strcmp(vec[0], "suspend"))) | |
1021 | return 0; | |
2e9ba080 | 1022 | disorder_error(0, "%s:%d: invalid pause mode", cs->path, cs->line); |
f75ab9d3 RK |
1023 | return -1; |
1024 | } | |
1025 | ||
34d37b3e RK |
1026 | /** @brief Validate a destination network address |
1027 | * @param cs Configuration state | |
1028 | * @param nvec Length of (proposed) new value | |
1029 | * @param vec Elements of new value | |
1030 | * @return 0 on success, non-0 on error | |
1031 | * | |
1032 | * By a destination address, it is meant that it must not be a wildcard | |
1033 | * address. | |
1034 | */ | |
76e72f65 RK |
1035 | static int validate_destaddr(const struct config_state attribute((unused)) *cs, |
1036 | int nvec, | |
1037 | char **vec) { | |
1038 | struct netaddress na[1]; | |
1039 | ||
1040 | if(netaddress_parse(na, nvec, vec)) { | |
2e9ba080 | 1041 | disorder_error(0, "%s:%d: invalid network address", cs->path, cs->line); |
76e72f65 RK |
1042 | return -1; |
1043 | } | |
1044 | if(!na->address) { | |
2e9ba080 | 1045 | disorder_error(0, "%s:%d: destination address required", cs->path, cs->line); |
76e72f65 RK |
1046 | return -1; |
1047 | } | |
47854c5f | 1048 | xfree(na->address); |
76e72f65 RK |
1049 | return 0; |
1050 | } | |
1051 | ||
3f3bb97b | 1052 | /** @brief Item name and and offset */ |
460b9539 | 1053 | #define C(x) #x, offsetof(struct config, x) |
3f3bb97b | 1054 | /** @brief Item name and and offset */ |
460b9539 | 1055 | #define C2(x,y) #x, offsetof(struct config, y) |
1056 | ||
3f3bb97b | 1057 | /** @brief All configuration items */ |
460b9539 | 1058 | static const struct conf conf[] = { |
1059 | { C(alias), &type_string, validate_alias }, | |
1060 | { C(allow), &type_stringlist_accum, validate_allow }, | |
b50cfb8a | 1061 | { C(api), &type_string, validate_backend }, |
637fdea3 | 1062 | { C(authorization_algorithm), &type_string, validate_algo }, |
76e72f65 RK |
1063 | { C(broadcast), &type_netaddress, validate_destaddr }, |
1064 | { C(broadcast_from), &type_netaddress, validate_any }, | |
bd8895a8 | 1065 | { C(channel), &type_string, validate_any }, |
460b9539 | 1066 | { C(checkpoint_kbyte), &type_integer, validate_non_negative }, |
1067 | { C(checkpoint_min), &type_integer, validate_non_negative }, | |
1068 | { C(collection), &type_collections, validate_any }, | |
e41a9999 | 1069 | { C(connect), &type_netaddress, validate_destaddr }, |
b12be54a | 1070 | { C(cookie_key_lifetime), &type_integer, validate_positive }, |
2a1c84fb | 1071 | { C(cookie_login_lifetime), &type_integer, validate_positive }, |
8818b7fc | 1072 | { C(dbversion), &type_integer, validate_positive }, |
04e1fa7c | 1073 | { C(default_rights), &type_rights, validate_any }, |
460b9539 | 1074 | { C(device), &type_string, validate_any }, |
1075 | { C(gap), &type_integer, validate_non_negative }, | |
1076 | { C(history), &type_integer, validate_positive }, | |
659d87e8 | 1077 | { C(home), &type_string, validate_isabspath }, |
80dc2c5f | 1078 | { C(listen), &type_netaddress, validate_any }, |
460b9539 | 1079 | { C(lock), &type_boolean, validate_any }, |
bb6ae3fb | 1080 | { C(mail_sender), &type_string, validate_any }, |
bd8895a8 | 1081 | { C(mixer), &type_string, validate_any }, |
8488cf7d | 1082 | { C(mount_rescan), &type_boolean, 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 }, |
460b9539 | 1102 | { C(refresh), &type_integer, validate_positive }, |
533272be | 1103 | { C(refresh_min), &type_integer, validate_non_negative }, |
6207d2f3 | 1104 | { C(reminder_interval), &type_integer, validate_positive }, |
810b8083 | 1105 | { C(remote_userman), &type_boolean, validate_any }, |
2a1c84fb | 1106 | { C(replay_min), &type_integer, validate_non_negative }, |
460b9539 | 1107 | { C2(restrict, restrictions), &type_restrict, validate_any }, |
ba70caca | 1108 | { C(rtp_delay_threshold), &type_integer, validate_positive }, |
87864f77 | 1109 | { C(rtp_verbose), &type_boolean, validate_any }, |
9d5da576 | 1110 | { C(sample_format), &type_sample_format, validate_sample_format }, |
460b9539 | 1111 | { C(scratch), &type_string_accum, validate_isreg }, |
2eee4b0c | 1112 | { C(sendmail), &type_string, validate_isabspath }, |
61507e3c | 1113 | { C(short_display), &type_integer, validate_positive }, |
460b9539 | 1114 | { C(signal), &type_signal, validate_any }, |
bb6ae3fb | 1115 | { C(smtp_server), &type_string, validate_any }, |
5330d674 | 1116 | { C(sox_generation), &type_integer, validate_non_negative }, |
b50cfb8a | 1117 | { C2(speaker_backend, api), &type_string, validate_backend }, |
9d5da576 | 1118 | { C(speaker_command), &type_string, validate_any }, |
460b9539 | 1119 | { C(stopword), &type_string_accum, validate_any }, |
1120 | { C(templates), &type_string_accum, validate_isdir }, | |
62dc3748 | 1121 | { C(tracklength), &type_stringlist_accum, validate_tracklength }, |
460b9539 | 1122 | { C(transform), &type_transform, validate_any }, |
1123 | { C(trust), &type_string_accum, validate_any }, | |
1124 | { C(url), &type_string, validate_url }, | |
1125 | { C(user), &type_string, validate_isauser }, | |
1126 | { C(username), &type_string, validate_any }, | |
1127 | }; | |
1128 | ||
3f3bb97b | 1129 | /** @brief Find a configuration item's definition by key */ |
460b9539 | 1130 | static const struct conf *find(const char *key) { |
1131 | int n; | |
1132 | ||
ba937f01 | 1133 | if((n = TABLE_FIND(conf, name, key)) < 0) |
460b9539 | 1134 | return 0; |
1135 | return &conf[n]; | |
1136 | } | |
1137 | ||
34d37b3e RK |
1138 | /** @brief Set a new configuration value |
1139 | * @param cs Configuration state | |
1140 | * @param nvec Length of @p vec | |
1141 | * @param vec Name and new value | |
1142 | * @return 0 on success, non-0 on error. | |
1143 | * | |
1144 | * @c vec[0] is the name, the rest is the value. | |
1145 | */ | |
460b9539 | 1146 | static int config_set(const struct config_state *cs, |
1147 | int nvec, char **vec) { | |
1148 | const struct conf *which; | |
1149 | ||
1150 | D(("config_set %s", vec[0])); | |
1151 | if(!(which = find(vec[0]))) { | |
2e9ba080 | 1152 | disorder_error(0, "%s:%d: unknown configuration key '%s'", |
460b9539 | 1153 | cs->path, cs->line, vec[0]); |
1154 | return -1; | |
1155 | } | |
1156 | return (which->validate(cs, nvec - 1, vec + 1) | |
1157 | || which->type->set(cs, which, nvec - 1, vec + 1)); | |
1158 | } | |
1159 | ||
34d37b3e RK |
1160 | /** @brief Set a configuration item from parameters |
1161 | * @param cs Configuration state | |
1162 | * @param which Item to set | |
1163 | * @param ... Value as strings, terminated by (char *)NULL | |
1164 | * @return 0 on success, non-0 on error | |
1165 | */ | |
e6a35d1c RK |
1166 | static int config_set_args(const struct config_state *cs, |
1167 | const char *which, ...) { | |
1168 | va_list ap; | |
1169 | struct vector v[1]; | |
1170 | char *s; | |
1171 | ||
1172 | vector_init(v); | |
1173 | vector_append(v, (char *)which); | |
1174 | va_start(ap, which); | |
1175 | while((s = va_arg(ap, char *))) | |
1176 | vector_append(v, s); | |
1177 | va_end(ap); | |
1178 | vector_terminate(v); | |
47854c5f RK |
1179 | int rc = config_set(cs, v->nvec, v->vec); |
1180 | xfree(v->vec); | |
1181 | return rc; | |
e6a35d1c RK |
1182 | } |
1183 | ||
34d37b3e RK |
1184 | /** @brief Error callback used by config_include() |
1185 | * @param msg Error message | |
1186 | * @param u User data (@ref config_state) | |
1187 | */ | |
460b9539 | 1188 | static void config_error(const char *msg, void *u) { |
1189 | const struct config_state *cs = u; | |
1190 | ||
2e9ba080 | 1191 | disorder_error(0, "%s:%d: %s", cs->path, cs->line, msg); |
460b9539 | 1192 | } |
1193 | ||
34d37b3e RK |
1194 | /** @brief Include a file by name |
1195 | * @param c Configuration to update | |
1196 | * @param path Path to read | |
1197 | * @return 0 on success, non-0 on error | |
1198 | */ | |
460b9539 | 1199 | static int config_include(struct config *c, const char *path) { |
1200 | FILE *fp; | |
1201 | char *buffer, *inputbuffer, **vec; | |
1202 | int n, ret = 0; | |
1203 | struct config_state cs; | |
1204 | ||
1205 | cs.path = path; | |
1206 | cs.line = 0; | |
1207 | cs.config = c; | |
1208 | D(("%s: reading configuration", path)); | |
1209 | if(!(fp = fopen(path, "r"))) { | |
2e9ba080 | 1210 | disorder_error(errno, "error opening %s", path); |
460b9539 | 1211 | return -1; |
1212 | } | |
1213 | while(!inputline(path, fp, &inputbuffer, '\n')) { | |
1214 | ++cs.line; | |
1215 | if(!(buffer = mb2utf8(inputbuffer))) { | |
2e9ba080 | 1216 | disorder_error(errno, "%s:%d: cannot convert to UTF-8", cs.path, cs.line); |
460b9539 | 1217 | ret = -1; |
1218 | xfree(inputbuffer); | |
1219 | continue; | |
1220 | } | |
1221 | xfree(inputbuffer); | |
1222 | if(!(vec = split(buffer, &n, SPLIT_COMMENTS|SPLIT_QUOTES, | |
1223 | config_error, &cs))) { | |
1224 | ret = -1; | |
1225 | xfree(buffer); | |
1226 | continue; | |
1227 | } | |
1228 | if(n) { | |
34d37b3e | 1229 | /* 'include' is special-cased */ |
460b9539 | 1230 | if(!strcmp(vec[0], "include")) { |
1231 | if(n != 2) { | |
2e9ba080 | 1232 | disorder_error(0, "%s:%d: must be 'include PATH'", cs.path, cs.line); |
460b9539 | 1233 | ret = -1; |
1234 | } else | |
1235 | config_include(c, vec[1]); | |
1236 | } else | |
1237 | ret |= config_set(&cs, n, vec); | |
1238 | } | |
1239 | for(n = 0; vec[n]; ++n) xfree(vec[n]); | |
1240 | xfree(vec); | |
1241 | xfree(buffer); | |
1242 | } | |
1243 | if(ferror(fp)) { | |
2e9ba080 | 1244 | disorder_error(errno, "error reading %s", path); |
460b9539 | 1245 | ret = -1; |
1246 | } | |
1247 | fclose(fp); | |
1248 | return ret; | |
1249 | } | |
1250 | ||
34d37b3e | 1251 | /** @brief Default stopword setting */ |
86be0c30 | 1252 | static const char *const default_stopwords[] = { |
1253 | "stopword", | |
1254 | ||
1255 | "01", | |
1256 | "02", | |
1257 | "03", | |
1258 | "04", | |
1259 | "05", | |
1260 | "06", | |
1261 | "07", | |
1262 | "08", | |
1263 | "09", | |
1264 | "1", | |
1265 | "10", | |
1266 | "11", | |
1267 | "12", | |
1268 | "13", | |
1269 | "14", | |
1270 | "15", | |
1271 | "16", | |
1272 | "17", | |
1273 | "18", | |
1274 | "19", | |
1275 | "2", | |
1276 | "20", | |
1277 | "21", | |
1278 | "22", | |
1279 | "23", | |
1280 | "24", | |
1281 | "25", | |
1282 | "26", | |
1283 | "27", | |
1284 | "28", | |
1285 | "29", | |
1286 | "3", | |
1287 | "30", | |
1288 | "4", | |
1289 | "5", | |
1290 | "6", | |
1291 | "7", | |
1292 | "8", | |
1293 | "9", | |
1294 | "a", | |
1295 | "am", | |
1296 | "an", | |
1297 | "and", | |
1298 | "as", | |
1299 | "for", | |
1300 | "i", | |
1301 | "im", | |
1302 | "in", | |
1303 | "is", | |
1304 | "of", | |
1305 | "on", | |
1306 | "the", | |
1307 | "to", | |
1308 | "too", | |
1309 | "we", | |
1310 | }; | |
1311 | #define NDEFAULT_STOPWORDS (sizeof default_stopwords / sizeof *default_stopwords) | |
1312 | ||
34d37b3e | 1313 | /** @brief Default player patterns */ |
e6a35d1c RK |
1314 | static const char *const default_players[] = { |
1315 | "*.ogg", | |
1316 | "*.flac", | |
1317 | "*.mp3", | |
1318 | "*.wav", | |
1319 | }; | |
1320 | #define NDEFAULT_PLAYERS (sizeof default_players / sizeof *default_players) | |
1321 | ||
34d37b3e RK |
1322 | /** @brief Make a new default configuration |
1323 | * @return New configuration | |
1324 | */ | |
460b9539 | 1325 | static struct config *config_default(void) { |
1326 | struct config *c = xmalloc(sizeof *c); | |
1327 | const char *logname; | |
1328 | struct passwd *pw; | |
86be0c30 | 1329 | struct config_state cs; |
e6a35d1c | 1330 | size_t n; |
460b9539 | 1331 | |
86be0c30 | 1332 | cs.path = "<internal>"; |
1333 | cs.line = 0; | |
1334 | cs.config = c; | |
460b9539 | 1335 | /* Strings had better be xstrdup'd as they will get freed at some point. */ |
07bc035e | 1336 | c->gap = 0; |
460b9539 | 1337 | c->history = 60; |
1338 | c->home = xstrdup(pkgstatedir); | |
1339 | if(!(pw = getpwuid(getuid()))) | |
2e9ba080 | 1340 | disorder_fatal(0, "cannot determine our username"); |
460b9539 | 1341 | logname = pw->pw_name; |
1342 | c->username = xstrdup(logname); | |
1343 | c->refresh = 15; | |
533272be | 1344 | c->refresh_min = 1; |
02ba7921 | 1345 | c->prefsync = 0; |
460b9539 | 1346 | c->signal = SIGKILL; |
1347 | c->alias = xstrdup("{/artist}{/album}{/title}{ext}"); | |
1348 | c->lock = 1; | |
1349 | c->device = xstrdup("default"); | |
1350 | c->nice_rescan = 10; | |
9d5da576 | 1351 | c->speaker_command = 0; |
1352 | c->sample_format.bits = 16; | |
1353 | c->sample_format.rate = 44100; | |
1354 | c->sample_format.channels = 2; | |
6d2d327c | 1355 | c->sample_format.endian = ENDIAN_NATIVE; |
459d4402 | 1356 | c->queue_pad = 10; |
cebe3127 | 1357 | c->replay_min = 8 * 3600; |
b50cfb8a | 1358 | c->api = NULL; |
23205f9c | 1359 | c->multicast_ttl = 1; |
61941295 | 1360 | c->multicast_loop = 1; |
637fdea3 | 1361 | c->authorization_algorithm = xstrdup("sha1"); |
2a10b70b | 1362 | c->noticed_history = 31; |
61507e3c | 1363 | c->short_display = 32; |
bd8895a8 | 1364 | c->mixer = 0; |
1365 | c->channel = 0; | |
8818b7fc | 1366 | c->dbversion = 2; |
b12be54a RK |
1367 | c->cookie_login_lifetime = 86400; |
1368 | c->cookie_key_lifetime = 86400 * 7; | |
2eee4b0c RK |
1369 | if(sendmail_binary[0] && strcmp(sendmail_binary, "none")) |
1370 | c->sendmail = xstrdup(sendmail_binary); | |
bb6ae3fb | 1371 | c->smtp_server = xstrdup("127.0.0.1"); |
d742bb47 | 1372 | c->new_max = 100; |
6207d2f3 | 1373 | c->reminder_interval = 600; /* 10m */ |
05dcfac6 | 1374 | c->new_bias_age = 7 * 86400; /* 1 week */ |
6151ae7e | 1375 | c->new_bias = 4500000; /* 50 times the base weight */ |
419893d7 | 1376 | c->sox_generation = DEFAULT_SOX_GENERATION; |
2563dc1f | 1377 | c->playlist_max = INT_MAX; /* effectively no limit */ |
ddbf05c8 | 1378 | c->playlist_lock_timeout = 10; /* 10s */ |
8488cf7d | 1379 | c->mount_rescan = 1; |
e6a35d1c | 1380 | /* Default stopwords */ |
86be0c30 | 1381 | if(config_set(&cs, (int)NDEFAULT_STOPWORDS, (char **)default_stopwords)) |
1382 | exit(1); | |
e6a35d1c RK |
1383 | /* Default player configuration */ |
1384 | for(n = 0; n < NDEFAULT_PLAYERS; ++n) { | |
1385 | if(config_set_args(&cs, "player", | |
1386 | default_players[n], "execraw", "disorder-decode", (char *)0)) | |
1387 | exit(1); | |
1388 | if(config_set_args(&cs, "tracklength", | |
1389 | default_players[n], "disorder-tracklength", (char *)0)) | |
1390 | exit(1); | |
1391 | } | |
76e72f65 RK |
1392 | c->broadcast.af = -1; |
1393 | c->broadcast_from.af = -1; | |
80dc2c5f | 1394 | c->listen.af = -1; |
e41a9999 | 1395 | c->connect.af = -1; |
460b9539 | 1396 | return c; |
1397 | } | |
1398 | ||
34d37b3e RK |
1399 | /** @brief Construct a filename |
1400 | * @param c Configuration | |
1401 | * @param name Base filename | |
1402 | * @return Full filename | |
1403 | * | |
1404 | * Usually use config_get_file() instead. | |
1405 | */ | |
319d7107 | 1406 | char *config_get_file2(struct config *c, const char *name) { |
460b9539 | 1407 | char *s; |
1408 | ||
1409 | byte_xasprintf(&s, "%s/%s", c->home, name); | |
1410 | return s; | |
1411 | } | |
1412 | ||
3f3bb97b | 1413 | /** @brief Set the default configuration file */ |
460b9539 | 1414 | static void set_configfile(void) { |
1415 | if(!configfile) | |
1416 | byte_xasprintf(&configfile, "%s/config", pkgconfdir); | |
1417 | } | |
1418 | ||
34d37b3e RK |
1419 | /** @brief Free a configuration object |
1420 | * @param c Configuration to free | |
1421 | * | |
1422 | * @p c is indeterminate after this function is called. | |
1423 | */ | |
47854c5f | 1424 | void config_free(struct config *c) { |
460b9539 | 1425 | int n; |
1426 | ||
1427 | if(c) { | |
1428 | for(n = 0; n < (int)(sizeof conf / sizeof *conf); ++n) | |
1429 | conf[n].type->free(c, &conf[n]); | |
1430 | for(n = 0; n < c->nparts; ++n) | |
1431 | xfree(c->parts[n]); | |
1432 | xfree(c->parts); | |
1433 | xfree(c); | |
1434 | } | |
1435 | } | |
1436 | ||
34d37b3e RK |
1437 | /** @brief Set post-parse defaults |
1438 | * @param c Configuration to update | |
1439 | * @param server True when running in the server | |
1440 | * | |
1441 | * If @p server is set then certain parts of the configuration are more | |
1442 | * strictly validated. | |
1443 | */ | |
c00fce3a RK |
1444 | static void config_postdefaults(struct config *c, |
1445 | int server) { | |
460b9539 | 1446 | struct config_state cs; |
1447 | const struct conf *whoami; | |
1448 | int n; | |
1449 | ||
1450 | static const char *namepart[][4] = { | |
bcf50f5c | 1451 | { "title", "/([0-9]+ *[-:]? *)?([^/]+)\\.[a-zA-Z0-9]+$", "$2", "display" }, |
460b9539 | 1452 | { "title", "/([^/]+)\\.[a-zA-Z0-9]+$", "$1", "sort" }, |
1453 | { "album", "/([^/]+)/[^/]+$", "$1", "*" }, | |
1454 | { "artist", "/([^/]+)/[^/]+/[^/]+$", "$1", "*" }, | |
1455 | { "ext", "(\\.[a-zA-Z0-9]+)$", "$1", "*" }, | |
1456 | }; | |
1457 | #define NNAMEPART (int)(sizeof namepart / sizeof *namepart) | |
1458 | ||
1459 | static const char *transform[][5] = { | |
bcf50f5c | 1460 | { "track", "^.*/([0-9]+ *[-:]? *)?([^/]+)\\.[a-zA-Z0-9]+$", "$2", "display", "" }, |
460b9539 | 1461 | { "track", "^.*/([^/]+)\\.[a-zA-Z0-9]+$", "$1", "sort", "" }, |
1462 | { "dir", "^.*/([^/]+)$", "$1", "*", "" }, | |
1463 | { "dir", "^(the) ([^/]*)", "$2, $1", "sort", "i", }, | |
1464 | { "dir", "[[:punct:]]", "", "sort", "g", } | |
1465 | }; | |
1466 | #define NTRANSFORM (int)(sizeof transform / sizeof *transform) | |
1467 | ||
1468 | cs.path = "<internal>"; | |
1469 | cs.line = 0; | |
1470 | cs.config = c; | |
1471 | if(!c->namepart.n) { | |
1472 | whoami = find("namepart"); | |
1473 | for(n = 0; n < NNAMEPART; ++n) | |
1474 | set_namepart(&cs, whoami, 4, (char **)namepart[n]); | |
1475 | } | |
1476 | if(!c->transform.n) { | |
1477 | whoami = find("transform"); | |
1478 | for(n = 0; n < NTRANSFORM; ++n) | |
1479 | set_transform(&cs, whoami, 5, (char **)transform[n]); | |
1480 | } | |
b50cfb8a | 1481 | if(!c->api) { |
e83d0967 | 1482 | if(c->speaker_command) |
b50cfb8a | 1483 | c->api = xstrdup("command"); |
76e72f65 | 1484 | else if(c->broadcast.af != -1) |
b50cfb8a RK |
1485 | c->api = xstrdup("rtp"); |
1486 | else if(config_uaudio_apis) | |
1487 | c->api = xstrdup(config_uaudio_apis[0]->name); | |
8aae240b | 1488 | else |
b50cfb8a | 1489 | c->api = xstrdup("<none>"); |
e83d0967 | 1490 | } |
b50cfb8a RK |
1491 | if(!strcmp(c->api, "network")) |
1492 | c->api = xstrdup("rtp"); | |
c00fce3a | 1493 | if(server) { |
b50cfb8a | 1494 | if(!strcmp(c->api, "command") && !c->speaker_command) |
2e9ba080 | 1495 | disorder_fatal(0, "'api command' but speaker_command is not set"); |
76e72f65 | 1496 | if((!strcmp(c->api, "rtp")) && c->broadcast.af == -1) |
2e9ba080 | 1497 | disorder_fatal(0, "'api rtp' but broadcast is not set"); |
c00fce3a | 1498 | } |
e99d42b1 | 1499 | /* Override sample format */ |
b50cfb8a | 1500 | if(!strcmp(c->api, "rtp")) { |
6d2d327c RK |
1501 | c->sample_format.rate = 44100; |
1502 | c->sample_format.channels = 2; | |
1503 | c->sample_format.bits = 16; | |
b50cfb8a RK |
1504 | c->sample_format.endian = ENDIAN_NATIVE; |
1505 | } | |
1506 | if(!strcmp(c->api, "coreaudio")) { | |
937be4c0 RK |
1507 | c->sample_format.rate = 44100; |
1508 | c->sample_format.channels = 2; | |
1509 | c->sample_format.bits = 16; | |
1510 | c->sample_format.endian = ENDIAN_NATIVE; | |
04e1fa7c RK |
1511 | } |
1512 | if(!c->default_rights) { | |
1513 | rights_type r = RIGHTS__MASK & ~(RIGHT_ADMIN|RIGHT_REGISTER | |
1514 | |RIGHT_MOVE__MASK | |
1515 | |RIGHT_SCRATCH__MASK | |
1516 | |RIGHT_REMOVE__MASK); | |
1517 | /* The idea is to approximate the meaning of the old 'restrict' directive | |
1518 | * in the default rights if they are not overridden. */ | |
1519 | if(c->restrictions & RESTRICT_SCRATCH) | |
1520 | r |= RIGHT_SCRATCH_MINE|RIGHT_SCRATCH_RANDOM; | |
1521 | else | |
1522 | r |= RIGHT_SCRATCH_ANY; | |
1523 | if(!(c->restrictions & RESTRICT_MOVE)) | |
1524 | r |= RIGHT_MOVE_ANY; | |
1525 | if(c->restrictions & RESTRICT_REMOVE) | |
1526 | r |= RIGHT_REMOVE_MINE; | |
1527 | else | |
1528 | r |= RIGHT_REMOVE_ANY; | |
0f55e905 | 1529 | c->default_rights = rights_string(r); |
04e1fa7c | 1530 | } |
460b9539 | 1531 | } |
1532 | ||
c00fce3a RK |
1533 | /** @brief (Re-)read the config file |
1534 | * @param server If set, do extra checking | |
02ba7921 RK |
1535 | * @param oldconfig Old configuration for compatibility check |
1536 | * @return 0 on success, non-0 on error | |
1537 | * | |
1538 | * If @p oldconfig is set, then certain compatibility checks are done between | |
1539 | * the old and new configurations. | |
c00fce3a | 1540 | */ |
02ba7921 RK |
1541 | int config_read(int server, |
1542 | const struct config *oldconfig) { | |
460b9539 | 1543 | struct config *c; |
1544 | char *privconf; | |
1545 | struct passwd *pw; | |
1546 | ||
1547 | set_configfile(); | |
1548 | c = config_default(); | |
9ade2319 | 1549 | /* standalone Disobedience installs might not have a global config file */ |
1550 | if(access(configfile, F_OK) == 0) | |
1551 | if(config_include(c, configfile)) | |
1552 | return -1; | |
460b9539 | 1553 | /* if we can read the private config file, do */ |
1554 | if((privconf = config_private()) | |
1555 | && access(privconf, R_OK) == 0 | |
1556 | && config_include(c, privconf)) | |
1557 | return -1; | |
1558 | xfree(privconf); | |
1559 | /* if there's a per-user system config file for this user, read it */ | |
63ad732f RK |
1560 | if(config_per_user) { |
1561 | if(!(pw = getpwuid(getuid()))) | |
2e9ba080 | 1562 | disorder_fatal(0, "cannot determine our username"); |
63ad732f RK |
1563 | if((privconf = config_usersysconf(pw)) |
1564 | && access(privconf, F_OK) == 0 | |
1565 | && config_include(c, privconf)) | |
460b9539 | 1566 | return -1; |
63ad732f RK |
1567 | xfree(privconf); |
1568 | /* if we have a password file, read it */ | |
5b14453f | 1569 | if((privconf = config_userconf(0, pw)) |
63ad732f RK |
1570 | && access(privconf, F_OK) == 0 |
1571 | && config_include(c, privconf)) | |
1572 | return -1; | |
1573 | xfree(privconf); | |
1574 | } | |
460b9539 | 1575 | /* install default namepart and transform settings */ |
c00fce3a | 1576 | config_postdefaults(c, server); |
02ba7921 RK |
1577 | if(oldconfig) { |
1578 | int failed = 0; | |
1579 | if(strcmp(c->home, oldconfig->home)) { | |
2e9ba080 | 1580 | disorder_error(0, "'home' cannot be changed without a restart"); |
02ba7921 RK |
1581 | failed = 1; |
1582 | } | |
1583 | if(strcmp(c->alias, oldconfig->alias)) { | |
2e9ba080 | 1584 | disorder_error(0, "'alias' cannot be changed without a restart"); |
02ba7921 RK |
1585 | failed = 1; |
1586 | } | |
1587 | if(strcmp(c->user, oldconfig->user)) { | |
2e9ba080 | 1588 | disorder_error(0, "'user' cannot be changed without a restart"); |
02ba7921 RK |
1589 | failed = 1; |
1590 | } | |
1591 | if(c->nice_speaker != oldconfig->nice_speaker) { | |
2e9ba080 | 1592 | disorder_error(0, "'nice_speaker' cannot be changed without a restart"); |
02ba7921 RK |
1593 | /* ...but we accept the new config anyway */ |
1594 | } | |
553d8115 | 1595 | if(c->nice_server != oldconfig->nice_server) { |
2e9ba080 | 1596 | disorder_error(0, "'nice_server' cannot be changed without a restart"); |
553d8115 RK |
1597 | /* ...but we accept the new config anyway */ |
1598 | } | |
9417e1a3 | 1599 | if(namepartlist_compare(&c->namepart, &oldconfig->namepart)) { |
2e9ba080 | 1600 | disorder_error(0, "'namepart' settings cannot be changed without a restart"); |
9417e1a3 RK |
1601 | failed = 1; |
1602 | } | |
1603 | if(stringlist_compare(&c->stopword, &oldconfig->stopword)) { | |
2e9ba080 | 1604 | disorder_error(0, "'stopword' settings cannot be changed without a restart"); |
9417e1a3 RK |
1605 | failed = 1; |
1606 | } | |
02ba7921 | 1607 | if(failed) { |
2e9ba080 | 1608 | disorder_error(0, "not installing incompatible new configuration"); |
02ba7921 RK |
1609 | return -1; |
1610 | } | |
1611 | } | |
460b9539 | 1612 | /* everything is good so we shall use the new config */ |
1613 | config_free(config); | |
04e1fa7c RK |
1614 | /* warn about obsolete directives */ |
1615 | if(c->restrictions) | |
2e9ba080 | 1616 | disorder_error(0, "'restrict' will be removed in a future version"); |
04e1fa7c | 1617 | if(c->allow.n) |
2e9ba080 | 1618 | disorder_error(0, "'allow' will be removed in a future version"); |
04e1fa7c | 1619 | if(c->trust.n) |
2e9ba080 | 1620 | disorder_error(0, "'trust' will be removed in a future version"); |
02ba7921 | 1621 | if(!c->lock) |
2e9ba080 | 1622 | disorder_error(0, "'lock' will be removed in a future version"); |
02ba7921 | 1623 | if(c->gap) |
2e9ba080 | 1624 | disorder_error(0, "'gap' will be removed in a future version"); |
02ba7921 | 1625 | if(c->prefsync) |
2e9ba080 | 1626 | disorder_error(0, "'prefsync' will be removed in a future version"); |
460b9539 | 1627 | config = c; |
1628 | return 0; | |
1629 | } | |
1630 | ||
3f3bb97b | 1631 | /** @brief Return the path to the private configuration file */ |
460b9539 | 1632 | char *config_private(void) { |
1633 | char *s; | |
1634 | ||
1635 | set_configfile(); | |
1636 | byte_xasprintf(&s, "%s.private", configfile); | |
1637 | return s; | |
1638 | } | |
1639 | ||
3f3bb97b | 1640 | /** @brief Return the path to user's personal configuration file */ |
460b9539 | 1641 | char *config_userconf(const char *home, const struct passwd *pw) { |
1642 | char *s; | |
1643 | ||
73f1b9f3 | 1644 | if(!home && !pw && !(pw = getpwuid(getuid()))) |
2e9ba080 | 1645 | disorder_fatal(0, "cannot determine our username"); |
460b9539 | 1646 | byte_xasprintf(&s, "%s/.disorder/passwd", home ? home : pw->pw_dir); |
1647 | return s; | |
1648 | } | |
1649 | ||
3f3bb97b RK |
1650 | /** @brief Return the path to user-specific system configuration */ |
1651 | char *config_usersysconf(const struct passwd *pw) { | |
460b9539 | 1652 | char *s; |
1653 | ||
1654 | set_configfile(); | |
1655 | if(!strchr(pw->pw_name, '/')) { | |
1656 | byte_xasprintf(&s, "%s.%s", configfile, pw->pw_name); | |
1657 | return s; | |
1658 | } else | |
1659 | return 0; | |
1660 | } | |
1661 | ||
34d37b3e RK |
1662 | /** @brief Get a filename within the home directory |
1663 | * @param name Relative name | |
1664 | * @return Full path | |
1665 | */ | |
460b9539 | 1666 | char *config_get_file(const char *name) { |
319d7107 | 1667 | return config_get_file2(config, name); |
460b9539 | 1668 | } |
1669 | ||
34d37b3e RK |
1670 | /** @brief Order two stringlists |
1671 | * @param a First stringlist | |
1672 | * @param b Second stringlist | |
1673 | * @return <0, 0 or >0 if a<b, a=b or a>b | |
1674 | */ | |
9417e1a3 RK |
1675 | static int stringlist_compare(const struct stringlist *a, |
1676 | const struct stringlist *b) { | |
e4132fd0 | 1677 | int n = 0, c; |
9417e1a3 RK |
1678 | |
1679 | while(n < a->n && n < b->n) { | |
1680 | if((c = strcmp(a->s[n], b->s[n]))) | |
1681 | return c; | |
1682 | ++n; | |
1683 | } | |
1684 | if(a->n < b->n) | |
1685 | return -1; | |
1686 | else if(a->n > b->n) | |
1687 | return 1; | |
1688 | else | |
1689 | return 0; | |
1690 | } | |
1691 | ||
34d37b3e RK |
1692 | /** @brief Order two namepart definitions |
1693 | * @param a First namepart definition | |
1694 | * @param b Second namepart definition | |
1695 | * @return <0, 0 or >0 if a<b, a=b or a>b | |
1696 | */ | |
9417e1a3 RK |
1697 | static int namepart_compare(const struct namepart *a, |
1698 | const struct namepart *b) { | |
1699 | int c; | |
1700 | ||
1701 | if((c = strcmp(a->part, b->part))) | |
1702 | return c; | |
1703 | if((c = strcmp(a->res, b->res))) | |
1704 | return c; | |
1705 | if((c = strcmp(a->replace, b->replace))) | |
1706 | return c; | |
1707 | if((c = strcmp(a->context, b->context))) | |
1708 | return c; | |
1709 | if(a->reflags > b->reflags) | |
1710 | return 1; | |
1711 | if(a->reflags < b->reflags) | |
1712 | return -1; | |
1713 | return 0; | |
1714 | } | |
1715 | ||
34d37b3e RK |
1716 | /** @brief Order two lists of namepart definitions |
1717 | * @param a First list of namepart definitions | |
1718 | * @param b Second list of namepart definitions | |
1719 | * @return <0, 0 or >0 if a<b, a=b or a>b | |
1720 | */ | |
9417e1a3 RK |
1721 | static int namepartlist_compare(const struct namepartlist *a, |
1722 | const struct namepartlist *b) { | |
e4132fd0 | 1723 | int n = 0, c; |
9417e1a3 RK |
1724 | |
1725 | while(n < a->n && n < b->n) { | |
1726 | if((c = namepart_compare(&a->s[n], &b->s[n]))) | |
1727 | return c; | |
1728 | ++n; | |
1729 | } | |
1730 | if(a->n > b->n) | |
1731 | return 1; | |
1732 | else if(a->n < b->n) | |
1733 | return -1; | |
1734 | else | |
1735 | return 0; | |
1736 | } | |
1737 | ||
2a1c84fb RK |
1738 | /** @brief Verify configuration table. |
1739 | * @return The number of problems found | |
1740 | */ | |
1741 | int config_verify(void) { | |
1742 | int fails = 0; | |
1743 | for(size_t n = 1; n < sizeof conf / sizeof *conf; ++n) | |
1744 | if(strcmp(conf[n-1].name, conf[n].name) >= 0) { | |
1745 | fprintf(stderr, "%s >= %s\n", conf[n-1].name, conf[n].name); | |
1746 | ++fails; | |
1747 | } | |
1748 | return fails; | |
1749 | } | |
1750 | ||
460b9539 | 1751 | /* |
1752 | Local Variables: | |
1753 | c-basic-offset:2 | |
1754 | comment-column:40 | |
1755 | fill-column:79 | |
1756 | End: | |
1757 | */ |