Commit | Line | Data |
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460b9539 | 1 | /* |
2 | * This file is part of DisOrder. | |
b0116b5c | 3 | * Copyright (C) 2004-2011, 2013 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> | |
cca89d7c RK |
28 | #if HAVE_UNISTD_H |
29 | # include <unistd.h> | |
30 | #endif | |
460b9539 | 31 | #include <ctype.h> |
32 | #include <stddef.h> | |
cca89d7c RK |
33 | #if HAVE_PWD_H |
34 | # include <pwd.h> | |
35 | #endif | |
36 | #if HAVE_LANGINFO_H | |
37 | # include <langinfo.h> | |
38 | #endif | |
a2e9d147 | 39 | |
9e42afcd RK |
40 | #if HAVE_SHLOBJ_H |
41 | # include <Shlobj.h> | |
42 | #endif | |
460b9539 | 43 | #include <signal.h> |
44 | ||
04e1fa7c | 45 | #include "rights.h" |
460b9539 | 46 | #include "configuration.h" |
47 | #include "mem.h" | |
48 | #include "log.h" | |
49 | #include "split.h" | |
50 | #include "syscalls.h" | |
51 | #include "table.h" | |
52 | #include "inputline.h" | |
53 | #include "charset.h" | |
54 | #include "defs.h" | |
460b9539 | 55 | #include "printf.h" |
a2e9d147 | 56 | #include "regexp.h" |
c7e016d3 | 57 | #include "regsub.h" |
460b9539 | 58 | #include "signame.h" |
637fdea3 | 59 | #include "authhash.h" |
e6a35d1c | 60 | #include "vector.h" |
9e42afcd | 61 | #if !_WIN32 |
b50cfb8a | 62 | #include "uaudio.h" |
9e42afcd | 63 | #endif |
460b9539 | 64 | |
3f3bb97b RK |
65 | /** @brief Path to config file |
66 | * | |
9e6c445d | 67 | * set_configfile() sets the default if it is null. |
3f3bb97b | 68 | */ |
460b9539 | 69 | char *configfile; |
70 | ||
63ad732f RK |
71 | /** @brief Read user configuration |
72 | * | |
73 | * If clear, the user-specific configuration is not read. | |
74 | */ | |
75 | int config_per_user = 1; | |
76 | ||
9e42afcd | 77 | #if !_WIN32 |
b50cfb8a RK |
78 | /** @brief Table of audio APIs |
79 | * | |
80 | * Only set in server processes. | |
81 | */ | |
82 | const struct uaudio *const *config_uaudio_apis; | |
9e42afcd | 83 | #endif |
b50cfb8a | 84 | |
3f3bb97b | 85 | /** @brief Config file parser state */ |
460b9539 | 86 | struct config_state { |
3f3bb97b | 87 | /** @brief Filename */ |
460b9539 | 88 | const char *path; |
34d37b3e | 89 | |
3f3bb97b | 90 | /** @brief Line number */ |
460b9539 | 91 | int line; |
34d37b3e | 92 | |
3f3bb97b | 93 | /** @brief Configuration object under construction */ |
460b9539 | 94 | struct config *config; |
95 | }; | |
96 | ||
3f3bb97b | 97 | /** @brief Current configuration */ |
460b9539 | 98 | struct config *config; |
99 | ||
3f3bb97b | 100 | /** @brief One configuration item */ |
460b9539 | 101 | struct conf { |
3f3bb97b | 102 | /** @brief Name as it appears in the config file */ |
460b9539 | 103 | const char *name; |
34d37b3e | 104 | |
3f3bb97b | 105 | /** @brief Offset in @ref config structure */ |
460b9539 | 106 | size_t offset; |
34d37b3e | 107 | |
3f3bb97b | 108 | /** @brief Pointer to item type */ |
460b9539 | 109 | const struct conftype *type; |
34d37b3e RK |
110 | |
111 | /** @brief Pointer to item-specific validation routine | |
112 | * @param cs Configuration state | |
113 | * @param nvec Length of (proposed) new value | |
114 | * @param vec Elements of new value | |
115 | * @return 0 on success, non-0 on error | |
116 | * | |
117 | * The validate function should report any error it detects. | |
118 | */ | |
460b9539 | 119 | int (*validate)(const struct config_state *cs, |
120 | int nvec, char **vec); | |
121 | }; | |
122 | ||
3f3bb97b | 123 | /** @brief Type of a configuration item */ |
460b9539 | 124 | struct conftype { |
34d37b3e RK |
125 | /** @brief Pointer to function to set item |
126 | * @param cs Configuration state | |
127 | * @param whoami Configuration item to set | |
128 | * @param nvec Length of new value | |
129 | * @param vec New value | |
130 | * @return 0 on success, non-0 on error | |
131 | */ | |
460b9539 | 132 | int (*set)(const struct config_state *cs, |
133 | const struct conf *whoami, | |
134 | int nvec, char **vec); | |
34d37b3e RK |
135 | |
136 | /** @brief Pointer to function to free item | |
137 | * @param c Configuration structure to free an item of | |
138 | * @param whoami Configuration item to free | |
139 | */ | |
460b9539 | 140 | void (*free)(struct config *c, const struct conf *whoami); |
141 | }; | |
142 | ||
3f3bb97b | 143 | /** @brief Compute the address of an item */ |
460b9539 | 144 | #define ADDRESS(C, TYPE) ((TYPE *)((char *)(C) + whoami->offset)) |
3f3bb97b | 145 | /** @brief Return the value of an item */ |
460b9539 | 146 | #define VALUE(C, TYPE) (*ADDRESS(C, TYPE)) |
147 | ||
9417e1a3 RK |
148 | static int stringlist_compare(const struct stringlist *a, |
149 | const struct stringlist *b); | |
150 | static int namepartlist_compare(const struct namepartlist *a, | |
151 | const struct namepartlist *b); | |
152 | ||
460b9539 | 153 | static int set_signal(const struct config_state *cs, |
154 | const struct conf *whoami, | |
155 | int nvec, char **vec) { | |
156 | int n; | |
157 | ||
158 | if(nvec != 1) { | |
2e9ba080 | 159 | disorder_error(0, "%s:%d: '%s' requires one argument", |
460b9539 | 160 | cs->path, cs->line, whoami->name); |
161 | return -1; | |
162 | } | |
163 | if((n = find_signal(vec[0])) == -1) { | |
2e9ba080 | 164 | disorder_error(0, "%s:%d: unknown signal '%s'", |
460b9539 | 165 | cs->path, cs->line, vec[0]); |
166 | return -1; | |
167 | } | |
168 | VALUE(cs->config, int) = n; | |
169 | return 0; | |
170 | } | |
171 | ||
172 | static int set_collections(const struct config_state *cs, | |
173 | const struct conf *whoami, | |
174 | int nvec, char **vec) { | |
175 | struct collectionlist *cl; | |
01cef138 | 176 | const char *root, *encoding, *module; |
460b9539 | 177 | |
01cef138 RK |
178 | switch(nvec) { |
179 | case 1: | |
180 | module = 0; | |
181 | encoding = 0; | |
182 | root = vec[0]; | |
183 | break; | |
184 | case 2: | |
185 | module = vec[0]; | |
186 | encoding = 0; | |
187 | root = vec[1]; | |
188 | break; | |
189 | case 3: | |
190 | module = vec[0]; | |
191 | encoding = vec[1]; | |
192 | root = vec[2]; | |
193 | break; | |
194 | case 0: | |
2e9ba080 RK |
195 | disorder_error(0, "%s:%d: '%s' requires at least one argument", |
196 | cs->path, cs->line, whoami->name); | |
01cef138 RK |
197 | return -1; |
198 | default: | |
2e9ba080 RK |
199 | disorder_error(0, "%s:%d: '%s' requires at most three arguments", |
200 | cs->path, cs->line, whoami->name); | |
460b9539 | 201 | return -1; |
202 | } | |
01cef138 RK |
203 | /* Sanity check root */ |
204 | if(root[0] != '/') { | |
2e9ba080 RK |
205 | disorder_error(0, "%s:%d: collection root must start with '/'", |
206 | cs->path, cs->line); | |
460b9539 | 207 | return -1; |
208 | } | |
01cef138 | 209 | if(root[1] && root[strlen(root)-1] == '/') { |
2e9ba080 RK |
210 | disorder_error(0, "%s:%d: collection root must not end with '/'", |
211 | cs->path, cs->line); | |
460b9539 | 212 | return -1; |
213 | } | |
01cef138 RK |
214 | /* Defaults */ |
215 | if(!module) | |
216 | module = "fs"; | |
cca89d7c | 217 | #if HAVE_LANGINFO_H |
01cef138 RK |
218 | if(!encoding) |
219 | encoding = nl_langinfo(CODESET); | |
cca89d7c RK |
220 | #else |
221 | if(!encoding) | |
222 | encoding = "ascii"; | |
223 | #endif | |
460b9539 | 224 | cl = ADDRESS(cs->config, struct collectionlist); |
225 | ++cl->n; | |
226 | cl->s = xrealloc(cl->s, cl->n * sizeof (struct collection)); | |
01cef138 RK |
227 | cl->s[cl->n - 1].module = xstrdup(module); |
228 | cl->s[cl->n - 1].encoding = xstrdup(encoding); | |
229 | cl->s[cl->n - 1].root = xstrdup(root); | |
460b9539 | 230 | return 0; |
231 | } | |
232 | ||
233 | static int set_boolean(const struct config_state *cs, | |
234 | const struct conf *whoami, | |
235 | int nvec, char **vec) { | |
236 | int state; | |
237 | ||
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 | if(!strcmp(vec[0], "yes")) state = 1; | |
244 | else if(!strcmp(vec[0], "no")) state = 0; | |
245 | else { | |
2e9ba080 RK |
246 | disorder_error(0, "%s:%d: argument to '%s' must be 'yes' or 'no'", |
247 | cs->path, cs->line, whoami->name); | |
460b9539 | 248 | return -1; |
249 | } | |
250 | VALUE(cs->config, int) = state; | |
251 | return 0; | |
252 | } | |
253 | ||
254 | static int set_string(const struct config_state *cs, | |
255 | const struct conf *whoami, | |
256 | int nvec, char **vec) { | |
257 | if(nvec != 1) { | |
2e9ba080 RK |
258 | disorder_error(0, "%s:%d: '%s' takes only one argument", |
259 | cs->path, cs->line, whoami->name); | |
460b9539 | 260 | return -1; |
261 | } | |
47854c5f | 262 | xfree(VALUE(cs->config, char *)); |
460b9539 | 263 | VALUE(cs->config, char *) = xstrdup(vec[0]); |
264 | return 0; | |
265 | } | |
266 | ||
460b9539 | 267 | static int set_integer(const struct config_state *cs, |
268 | const struct conf *whoami, | |
269 | int nvec, char **vec) { | |
270 | char *e; | |
271 | ||
272 | if(nvec != 1) { | |
2e9ba080 RK |
273 | disorder_error(0, "%s:%d: '%s' takes only one argument", |
274 | cs->path, cs->line, whoami->name); | |
460b9539 | 275 | return -1; |
276 | } | |
277 | if(xstrtol(ADDRESS(cs->config, long), vec[0], &e, 0)) { | |
2e9ba080 | 278 | disorder_error(errno, "%s:%d: converting integer", cs->path, cs->line); |
460b9539 | 279 | return -1; |
280 | } | |
281 | if(*e) { | |
2e9ba080 | 282 | disorder_error(0, "%s:%d: invalid integer syntax", cs->path, cs->line); |
460b9539 | 283 | return -1; |
284 | } | |
285 | return 0; | |
286 | } | |
287 | ||
288 | static int set_stringlist_accum(const struct config_state *cs, | |
289 | const struct conf *whoami, | |
290 | int nvec, char **vec) { | |
291 | int n; | |
292 | struct stringlist *s; | |
293 | struct stringlistlist *sll; | |
294 | ||
295 | sll = ADDRESS(cs->config, struct stringlistlist); | |
40c30921 RK |
296 | if(nvec == 0) { |
297 | sll->n = 0; | |
298 | return 0; | |
299 | } | |
460b9539 | 300 | sll->n++; |
301 | sll->s = xrealloc(sll->s, (sll->n * sizeof (struct stringlist))); | |
302 | s = &sll->s[sll->n - 1]; | |
303 | s->n = nvec; | |
304 | s->s = xmalloc((nvec + 1) * sizeof (char *)); | |
305 | for(n = 0; n < nvec; ++n) | |
306 | s->s[n] = xstrdup(vec[n]); | |
307 | return 0; | |
308 | } | |
309 | ||
310 | static int set_string_accum(const struct config_state *cs, | |
311 | const struct conf *whoami, | |
312 | int nvec, char **vec) { | |
313 | int n; | |
314 | struct stringlist *sl; | |
315 | ||
316 | sl = ADDRESS(cs->config, struct stringlist); | |
40c30921 RK |
317 | if(nvec == 0) { |
318 | sl->n = 0; | |
319 | return 0; | |
320 | } | |
460b9539 | 321 | for(n = 0; n < nvec; ++n) { |
322 | sl->n++; | |
323 | sl->s = xrealloc(sl->s, (sl->n * sizeof (char *))); | |
324 | sl->s[sl->n - 1] = xstrdup(vec[n]); | |
325 | } | |
326 | return 0; | |
327 | } | |
328 | ||
9d5da576 | 329 | static int parse_sample_format(const struct config_state *cs, |
6d2d327c | 330 | struct stream_header *format, |
9d5da576 | 331 | int nvec, char **vec) { |
332 | char *p = vec[0]; | |
333 | long t; | |
334 | ||
6d2d327c | 335 | if(nvec != 1) { |
2e9ba080 | 336 | disorder_error(0, "%s:%d: wrong number of arguments", cs->path, cs->line); |
9d5da576 | 337 | return -1; |
338 | } | |
6d2d327c | 339 | if(xstrtol(&t, p, &p, 0)) { |
2e9ba080 RK |
340 | disorder_error(errno, "%s:%d: converting bits-per-sample", |
341 | cs->path, cs->line); | |
9d5da576 | 342 | return -1; |
343 | } | |
6d2d327c | 344 | if(t != 8 && t != 16) { |
ef0a7964 | 345 | disorder_error(0, "%s:%d: bad bits-per-sample (%ld)", |
2e9ba080 | 346 | cs->path, cs->line, t); |
9d5da576 | 347 | return -1; |
348 | } | |
9e42afcd | 349 | if(format) format->bits = (uint8_t)t; |
9d5da576 | 350 | switch (*p) { |
6d2d327c RK |
351 | case 'l': case 'L': t = ENDIAN_LITTLE; p++; break; |
352 | case 'b': case 'B': t = ENDIAN_BIG; p++; break; | |
353 | default: t = ENDIAN_NATIVE; break; | |
9d5da576 | 354 | } |
9e42afcd | 355 | if(format) format->endian = (uint8_t)t; |
6d2d327c | 356 | if(*p != '/') { |
2e9ba080 | 357 | disorder_error(errno, "%s:%d: expected `/' after bits-per-sample", |
9d5da576 | 358 | cs->path, cs->line); |
359 | return -1; | |
360 | } | |
361 | p++; | |
6d2d327c | 362 | if(xstrtol(&t, p, &p, 0)) { |
2e9ba080 | 363 | disorder_error(errno, "%s:%d: converting sample-rate", cs->path, cs->line); |
9d5da576 | 364 | return -1; |
365 | } | |
6d2d327c | 366 | if(t < 1 || t > INT_MAX) { |
2e9ba080 | 367 | disorder_error(0, "%s:%d: silly sample-rate (%ld)", cs->path, cs->line, t); |
9d5da576 | 368 | return -1; |
369 | } | |
6d2d327c RK |
370 | if(format) format->rate = t; |
371 | if(*p != '/') { | |
2e9ba080 RK |
372 | disorder_error(0, "%s:%d: expected `/' after sample-rate", |
373 | cs->path, cs->line); | |
9d5da576 | 374 | return -1; |
375 | } | |
376 | p++; | |
6d2d327c | 377 | if(xstrtol(&t, p, &p, 0)) { |
2e9ba080 | 378 | disorder_error(errno, "%s:%d: converting channels", cs->path, cs->line); |
9d5da576 | 379 | return -1; |
380 | } | |
6d2d327c | 381 | if(t < 1 || t > 8) { |
2e9ba080 RK |
382 | disorder_error(0, "%s:%d: silly number (%ld) of channels", |
383 | cs->path, cs->line, t); | |
9d5da576 | 384 | return -1; |
385 | } | |
9e42afcd | 386 | if(format) format->channels = (uint8_t)t; |
6d2d327c | 387 | if(*p) { |
2e9ba080 | 388 | disorder_error(0, "%s:%d: junk after channels", cs->path, cs->line); |
9d5da576 | 389 | return -1; |
390 | } | |
391 | return 0; | |
392 | } | |
393 | ||
394 | static int set_sample_format(const struct config_state *cs, | |
395 | const struct conf *whoami, | |
396 | int nvec, char **vec) { | |
6d2d327c | 397 | return parse_sample_format(cs, ADDRESS(cs->config, struct stream_header), |
9d5da576 | 398 | nvec, vec); |
399 | } | |
400 | ||
460b9539 | 401 | static int set_namepart(const struct config_state *cs, |
402 | const struct conf *whoami, | |
403 | int nvec, char **vec) { | |
404 | struct namepartlist *npl = ADDRESS(cs->config, struct namepartlist); | |
405 | unsigned reflags; | |
a2e9d147 MW |
406 | regexp *re; |
407 | char errstr[RXCERR_LEN]; | |
408 | size_t erroffset; | |
409 | int n; | |
460b9539 | 410 | |
411 | if(nvec < 3) { | |
2e9ba080 RK |
412 | disorder_error(0, "%s:%d: namepart needs at least 3 arguments", |
413 | cs->path, cs->line); | |
460b9539 | 414 | return -1; |
415 | } | |
416 | if(nvec > 5) { | |
2e9ba080 RK |
417 | disorder_error(0, "%s:%d: namepart needs at most 5 arguments", |
418 | cs->path, cs->line); | |
460b9539 | 419 | return -1; |
420 | } | |
421 | reflags = nvec >= 5 ? regsub_flags(vec[4]) : 0; | |
a2e9d147 MW |
422 | if(!(re = regexp_compile(vec[1], regsub_compile_options(reflags), |
423 | errstr, sizeof(errstr), &erroffset))) | |
424 | { | |
425 | disorder_error(0, "%s:%d: compiling regexp /%s/: %s (offset %zu)", | |
2e9ba080 | 426 | cs->path, cs->line, vec[1], errstr, erroffset); |
460b9539 | 427 | return -1; |
428 | } | |
429 | npl->s = xrealloc(npl->s, (npl->n + 1) * sizeof (struct namepart)); | |
430 | npl->s[npl->n].part = xstrdup(vec[0]); | |
431 | npl->s[npl->n].re = re; | |
9417e1a3 | 432 | npl->s[npl->n].res = xstrdup(vec[1]); |
460b9539 | 433 | npl->s[npl->n].replace = xstrdup(vec[2]); |
434 | npl->s[npl->n].context = xstrdup(vec[3]); | |
435 | npl->s[npl->n].reflags = reflags; | |
436 | ++npl->n; | |
437 | /* XXX a bit of a bodge; relies on there being very few parts. */ | |
438 | for(n = 0; (n < cs->config->nparts | |
439 | && strcmp(cs->config->parts[n], vec[0])); ++n) | |
440 | ; | |
441 | if(n >= cs->config->nparts) { | |
442 | cs->config->parts = xrealloc(cs->config->parts, | |
443 | (cs->config->nparts + 1) * sizeof (char *)); | |
444 | cs->config->parts[cs->config->nparts++] = xstrdup(vec[0]); | |
445 | } | |
446 | return 0; | |
447 | } | |
448 | ||
449 | static int set_transform(const struct config_state *cs, | |
450 | const struct conf *whoami, | |
451 | int nvec, char **vec) { | |
452 | struct transformlist *tl = ADDRESS(cs->config, struct transformlist); | |
a2e9d147 MW |
453 | regexp *re; |
454 | char errstr[RXCERR_LEN]; | |
460b9539 | 455 | unsigned reflags; |
a2e9d147 | 456 | size_t erroffset; |
460b9539 | 457 | |
458 | if(nvec < 3) { | |
2e9ba080 RK |
459 | disorder_error(0, "%s:%d: transform needs at least 3 arguments", |
460 | cs->path, cs->line); | |
460b9539 | 461 | return -1; |
462 | } | |
463 | if(nvec > 5) { | |
2e9ba080 RK |
464 | disorder_error(0, "%s:%d: transform needs at most 5 arguments", |
465 | cs->path, cs->line); | |
460b9539 | 466 | return -1; |
467 | } | |
468 | reflags = (nvec >= 5 ? regsub_flags(vec[4]) : 0); | |
a2e9d147 MW |
469 | if(!(re = regexp_compile(vec[1], regsub_compile_options(reflags), |
470 | errstr, sizeof(errstr), &erroffset))) | |
471 | { | |
472 | disorder_error(0, "%s:%d: compiling regexp /%s/: %s (offset %zu)", | |
2e9ba080 | 473 | cs->path, cs->line, vec[1], errstr, erroffset); |
460b9539 | 474 | return -1; |
475 | } | |
476 | tl->t = xrealloc(tl->t, (tl->n + 1) * sizeof (struct namepart)); | |
477 | tl->t[tl->n].type = xstrdup(vec[0]); | |
478 | tl->t[tl->n].context = xstrdup(vec[3] ? vec[3] : "*"); | |
479 | tl->t[tl->n].re = re; | |
480 | tl->t[tl->n].replace = xstrdup(vec[2]); | |
481 | tl->t[tl->n].flags = reflags; | |
482 | ++tl->n; | |
483 | return 0; | |
484 | } | |
485 | ||
04e1fa7c RK |
486 | static int set_rights(const struct config_state *cs, |
487 | const struct conf *whoami, | |
488 | int nvec, char **vec) { | |
04e1fa7c | 489 | if(nvec != 1) { |
2e9ba080 RK |
490 | disorder_error(0, "%s:%d: '%s' requires one argument", |
491 | cs->path, cs->line, whoami->name); | |
04e1fa7c RK |
492 | return -1; |
493 | } | |
0f55e905 | 494 | if(parse_rights(vec[0], 0, 1)) { |
2e9ba080 RK |
495 | disorder_error(0, "%s:%d: invalid rights string '%s'", |
496 | cs->path, cs->line, vec[0]); | |
04e1fa7c RK |
497 | return -1; |
498 | } | |
47854c5f | 499 | return set_string(cs, whoami, nvec, vec); |
04e1fa7c RK |
500 | } |
501 | ||
76e72f65 RK |
502 | static int set_netaddress(const struct config_state *cs, |
503 | const struct conf *whoami, | |
504 | int nvec, char **vec) { | |
505 | struct netaddress *na = ADDRESS(cs->config, struct netaddress); | |
506 | ||
507 | if(netaddress_parse(na, nvec, vec)) { | |
2e9ba080 | 508 | disorder_error(0, "%s:%d: invalid network address", cs->path, cs->line); |
76e72f65 RK |
509 | return -1; |
510 | } | |
511 | return 0; | |
512 | } | |
513 | ||
460b9539 | 514 | /* free functions */ |
515 | ||
516 | static void free_none(struct config attribute((unused)) *c, | |
517 | const struct conf attribute((unused)) *whoami) { | |
518 | } | |
519 | ||
520 | static void free_string(struct config *c, | |
521 | const struct conf *whoami) { | |
522 | xfree(VALUE(c, char *)); | |
f183d30b | 523 | VALUE(c, char *) = 0; |
460b9539 | 524 | } |
525 | ||
526 | static void free_stringlist(struct config *c, | |
527 | const struct conf *whoami) { | |
528 | int n; | |
529 | struct stringlist *sl = ADDRESS(c, struct stringlist); | |
530 | ||
531 | for(n = 0; n < sl->n; ++n) | |
532 | xfree(sl->s[n]); | |
533 | xfree(sl->s); | |
534 | } | |
535 | ||
536 | static void free_stringlistlist(struct config *c, | |
537 | const struct conf *whoami) { | |
538 | int n, m; | |
539 | struct stringlistlist *sll = ADDRESS(c, struct stringlistlist); | |
540 | struct stringlist *sl; | |
541 | ||
542 | for(n = 0; n < sll->n; ++n) { | |
543 | sl = &sll->s[n]; | |
544 | for(m = 0; m < sl->n; ++m) | |
545 | xfree(sl->s[m]); | |
546 | xfree(sl->s); | |
547 | } | |
548 | xfree(sll->s); | |
549 | } | |
550 | ||
551 | static void free_collectionlist(struct config *c, | |
552 | const struct conf *whoami) { | |
553 | struct collectionlist *cll = ADDRESS(c, struct collectionlist); | |
554 | struct collection *cl; | |
555 | int n; | |
556 | ||
557 | for(n = 0; n < cll->n; ++n) { | |
558 | cl = &cll->s[n]; | |
559 | xfree(cl->module); | |
560 | xfree(cl->encoding); | |
561 | xfree(cl->root); | |
562 | } | |
563 | xfree(cll->s); | |
564 | } | |
565 | ||
566 | static void free_namepartlist(struct config *c, | |
567 | const struct conf *whoami) { | |
568 | struct namepartlist *npl = ADDRESS(c, struct namepartlist); | |
569 | struct namepart *np; | |
570 | int n; | |
571 | ||
572 | for(n = 0; n < npl->n; ++n) { | |
573 | np = &npl->s[n]; | |
574 | xfree(np->part); | |
a2e9d147 | 575 | regexp_free(np->re); |
9417e1a3 | 576 | xfree(np->res); |
460b9539 | 577 | xfree(np->replace); |
578 | xfree(np->context); | |
579 | } | |
580 | xfree(npl->s); | |
581 | } | |
582 | ||
583 | static void free_transformlist(struct config *c, | |
584 | const struct conf *whoami) { | |
585 | struct transformlist *tl = ADDRESS(c, struct transformlist); | |
586 | struct transform *t; | |
587 | int n; | |
588 | ||
589 | for(n = 0; n < tl->n; ++n) { | |
590 | t = &tl->t[n]; | |
591 | xfree(t->type); | |
a2e9d147 | 592 | regexp_free(t->re); |
460b9539 | 593 | xfree(t->replace); |
594 | xfree(t->context); | |
595 | } | |
596 | xfree(tl->t); | |
597 | } | |
598 | ||
76e72f65 RK |
599 | static void free_netaddress(struct config *c, |
600 | const struct conf *whoami) { | |
601 | struct netaddress *na = ADDRESS(c, struct netaddress); | |
602 | ||
603 | xfree(na->address); | |
604 | } | |
605 | ||
460b9539 | 606 | /* configuration types */ |
607 | ||
608 | static const struct conftype | |
609 | type_signal = { set_signal, free_none }, | |
610 | type_collections = { set_collections, free_collectionlist }, | |
611 | type_boolean = { set_boolean, free_none }, | |
612 | type_string = { set_string, free_string }, | |
460b9539 | 613 | type_integer = { set_integer, free_none }, |
614 | type_stringlist_accum = { set_stringlist_accum, free_stringlistlist }, | |
615 | type_string_accum = { set_string_accum, free_stringlist }, | |
9d5da576 | 616 | type_sample_format = { set_sample_format, free_none }, |
460b9539 | 617 | type_namepart = { set_namepart, free_namepartlist }, |
e83d0967 | 618 | type_transform = { set_transform, free_transformlist }, |
76e72f65 | 619 | type_netaddress = { set_netaddress, free_netaddress }, |
47854c5f | 620 | type_rights = { set_rights, free_string }; |
460b9539 | 621 | |
622 | /* specific validation routine */ | |
623 | ||
34d37b3e RK |
624 | /** @brief Perform a test on a filename |
625 | * @param test Test function to call on mode bits | |
626 | * @param what Type of file sought | |
627 | * | |
628 | * If @p test returns 0 then the file is not a @p what and an error | |
629 | * is reported and -1 is returned. | |
630 | */ | |
2e9ba080 RK |
631 | #define VALIDATE_FILE(test, what) do { \ |
632 | struct stat sb; \ | |
633 | int n; \ | |
634 | \ | |
635 | for(n = 0; n < nvec; ++n) { \ | |
636 | if(stat(vec[n], &sb) < 0) { \ | |
637 | disorder_error(errno, "%s:%d: %s", \ | |
638 | cs->path, cs->line, vec[n]); \ | |
639 | return -1; \ | |
640 | } \ | |
641 | if(!test(sb.st_mode)) { \ | |
642 | disorder_error(0, "%s:%d: %s is not a %s", \ | |
643 | cs->path, cs->line, vec[n], what); \ | |
644 | return -1; \ | |
645 | } \ | |
646 | } \ | |
460b9539 | 647 | } while(0) |
648 | ||
34d37b3e RK |
649 | /** @brief Validate an absolute path |
650 | * @param cs Configuration state | |
651 | * @param nvec Length of (proposed) new value | |
652 | * @param vec Elements of new value | |
653 | * @return 0 on success, non-0 on error | |
654 | */ | |
659d87e8 RK |
655 | static int validate_isabspath(const struct config_state *cs, |
656 | int nvec, char **vec) { | |
657 | int n; | |
658 | ||
659 | for(n = 0; n < nvec; ++n) | |
660 | if(vec[n][0] != '/') { | |
70adc86b | 661 | disorder_error(0, "%s:%d: %s: not an absolute path", |
2e9ba080 | 662 | cs->path, cs->line, vec[n]); |
659d87e8 RK |
663 | return -1; |
664 | } | |
665 | return 0; | |
666 | } | |
667 | ||
34d37b3e RK |
668 | /** @brief Validate an existing directory |
669 | * @param cs Configuration state | |
670 | * @param nvec Length of (proposed) new value | |
671 | * @param vec Elements of new value | |
672 | * @return 0 on success, non-0 on error | |
673 | */ | |
460b9539 | 674 | static int validate_isdir(const struct config_state *cs, |
675 | int nvec, char **vec) { | |
676 | VALIDATE_FILE(S_ISDIR, "directory"); | |
677 | return 0; | |
678 | } | |
679 | ||
34d37b3e RK |
680 | /** @brief Validate an existing regular file |
681 | * @param cs Configuration state | |
682 | * @param nvec Length of (proposed) new value | |
683 | * @param vec Elements of new value | |
684 | * @return 0 on success, non-0 on error | |
685 | */ | |
460b9539 | 686 | static int validate_isreg(const struct config_state *cs, |
687 | int nvec, char **vec) { | |
688 | VALIDATE_FILE(S_ISREG, "regular file"); | |
689 | return 0; | |
690 | } | |
691 | ||
34d37b3e RK |
692 | /** @brief Validate a player pattern |
693 | * @param cs Configuration state | |
694 | * @param nvec Length of (proposed) new value | |
695 | * @param vec Elements of new value | |
696 | * @return 0 on success, non-0 on error | |
697 | */ | |
460b9539 | 698 | static int validate_player(const struct config_state *cs, |
699 | int nvec, | |
700 | char attribute((unused)) **vec) { | |
ec554a3d | 701 | if(nvec && nvec < 2) { |
2e9ba080 RK |
702 | disorder_error(0, "%s:%d: should be at least 'player PATTERN MODULE'", |
703 | cs->path, cs->line); | |
460b9539 | 704 | return -1; |
705 | } | |
706 | return 0; | |
707 | } | |
708 | ||
34d37b3e RK |
709 | /** @brief Validate a track length pattern |
710 | * @param cs Configuration state | |
711 | * @param nvec Length of (proposed) new value | |
712 | * @param vec Elements of new value | |
713 | * @return 0 on success, non-0 on error | |
714 | */ | |
62dc3748 RK |
715 | static int validate_tracklength(const struct config_state *cs, |
716 | int nvec, | |
717 | char attribute((unused)) **vec) { | |
ec554a3d | 718 | if(nvec && nvec < 2) { |
2e9ba080 RK |
719 | disorder_error(0, "%s:%d: should be at least 'tracklength PATTERN MODULE'", |
720 | cs->path, cs->line); | |
62dc3748 RK |
721 | return -1; |
722 | } | |
723 | return 0; | |
724 | } | |
725 | ||
187b1faf | 726 | /** @brief Common code for validating integer values |
34d37b3e RK |
727 | * @param cs Configuration state |
728 | * @param nvec Length of (proposed) new value | |
729 | * @param vec Elements of new value | |
187b1faf | 730 | * @param n_out Where to put the value |
34d37b3e | 731 | */ |
187b1faf MW |
732 | static int common_validate_integer(const struct config_state *cs, |
733 | int nvec, char **vec, long *n_out) { | |
b94e827f | 734 | char errbuf[1024]; |
460b9539 | 735 | |
736 | if(nvec < 1) { | |
2e9ba080 | 737 | disorder_error(0, "%s:%d: missing argument", cs->path, cs->line); |
460b9539 | 738 | return -1; |
739 | } | |
740 | if(nvec > 1) { | |
2e9ba080 | 741 | disorder_error(0, "%s:%d: too many arguments", cs->path, cs->line); |
460b9539 | 742 | return -1; |
743 | } | |
187b1faf | 744 | if(xstrtol(n_out, vec[0], 0, 0)) { |
b94e827f RK |
745 | disorder_error(0, "%s:%d: %s", cs->path, cs->line, |
746 | format_error(ec_errno, errno, errbuf, sizeof errbuf)); | |
460b9539 | 747 | return -1; |
748 | } | |
187b1faf MW |
749 | return 0; |
750 | } | |
751 | ||
752 | /** @brief Validate a non-negative (@c long) integer | |
753 | * @param cs Configuration state | |
754 | * @param nvec Length of (proposed) new value | |
755 | * @param vec Elements of new value | |
756 | * @return 0 on success, non-0 on error | |
757 | */ | |
758 | static int validate_non_negative(const struct config_state *cs, | |
759 | int nvec, char **vec) { | |
760 | long n; | |
761 | if(common_validate_integer(cs, nvec, vec, &n)) return -1; | |
460b9539 | 762 | if(n < 0) { |
2e9ba080 | 763 | disorder_error(0, "%s:%d: must not be negative", cs->path, cs->line); |
460b9539 | 764 | return -1; |
765 | } | |
766 | return 0; | |
767 | } | |
768 | ||
34d37b3e RK |
769 | /** @brief Validate a positive (@c long) integer |
770 | * @param cs Configuration state | |
771 | * @param nvec Length of (proposed) new value | |
772 | * @param vec Elements of new value | |
773 | * @return 0 on success, non-0 on error | |
774 | */ | |
460b9539 | 775 | static int validate_positive(const struct config_state *cs, |
776 | int nvec, char **vec) { | |
777 | long n; | |
187b1faf | 778 | if(common_validate_integer(cs, nvec, vec, &n)) return -1; |
460b9539 | 779 | if(n <= 0) { |
2e9ba080 | 780 | disorder_error(0, "%s:%d: must be positive", cs->path, cs->line); |
460b9539 | 781 | return -1; |
782 | } | |
783 | return 0; | |
784 | } | |
785 | ||
9e42afcd | 786 | #if !_WIN32 |
34d37b3e RK |
787 | /** @brief Validate a system username |
788 | * @param cs Configuration state | |
789 | * @param nvec Length of (proposed) new value | |
790 | * @param vec Elements of new value | |
791 | * @return 0 on success, non-0 on error | |
792 | */ | |
460b9539 | 793 | static int validate_isauser(const struct config_state *cs, |
794 | int attribute((unused)) nvec, | |
795 | char **vec) { | |
b3756e27 | 796 | if(!getpwnam(vec[0])) { |
2e9ba080 | 797 | disorder_error(0, "%s:%d: no such user as '%s'", cs->path, cs->line, vec[0]); |
460b9539 | 798 | return -1; |
799 | } | |
800 | return 0; | |
801 | } | |
9e42afcd | 802 | #endif |
460b9539 | 803 | |
34d37b3e RK |
804 | /** @brief Validate a sample format string |
805 | * @param cs Configuration state | |
806 | * @param nvec Length of (proposed) new value | |
807 | * @param vec Elements of new value | |
808 | * @return 0 on success, non-0 on error | |
809 | */ | |
9d5da576 | 810 | static int validate_sample_format(const struct config_state *cs, |
811 | int attribute((unused)) nvec, | |
812 | char **vec) { | |
813 | return parse_sample_format(cs, 0, nvec, vec); | |
814 | } | |
815 | ||
34d37b3e RK |
816 | /** @brief Validate anything |
817 | * @param cs Configuration state | |
818 | * @param nvec Length of (proposed) new value | |
819 | * @param vec Elements of new value | |
820 | * @return 0 | |
821 | */ | |
460b9539 | 822 | static int validate_any(const struct config_state attribute((unused)) *cs, |
823 | int attribute((unused)) nvec, | |
824 | char attribute((unused)) **vec) { | |
825 | return 0; | |
826 | } | |
827 | ||
34d37b3e RK |
828 | /** @brief Validate a URL |
829 | * @param cs Configuration state | |
830 | * @param nvec Length of (proposed) new value | |
831 | * @param vec Elements of new value | |
832 | * @return 0 on success, non-0 on error | |
833 | * | |
834 | * Rather cursory. | |
835 | */ | |
460b9539 | 836 | static int validate_url(const struct config_state attribute((unused)) *cs, |
837 | int attribute((unused)) nvec, | |
838 | char **vec) { | |
839 | const char *s; | |
840 | int n; | |
841 | /* absoluteURI = scheme ":" ( hier_part | opaque_part ) | |
842 | scheme = alpha *( alpha | digit | "+" | "-" | "." ) */ | |
843 | s = vec[0]; | |
844 | n = strspn(s, ("abcdefghijklmnopqrstuvwxyz" | |
845 | "ABCDEFGHIJKLMNOPQRSTUVWXYZ" | |
846 | "0123456789")); | |
847 | if(s[n] != ':') { | |
2e9ba080 | 848 | disorder_error(0, "%s:%d: invalid url '%s'", cs->path, cs->line, vec[0]); |
460b9539 | 849 | return -1; |
850 | } | |
851 | if(!strncmp(s, "http:", 5) | |
852 | || !strncmp(s, "https:", 6)) { | |
853 | s += n + 1; | |
854 | /* we only do a rather cursory check */ | |
855 | if(strncmp(s, "//", 2)) { | |
2e9ba080 | 856 | disorder_error(0, "%s:%d: invalid url '%s'", cs->path, cs->line, vec[0]); |
460b9539 | 857 | return -1; |
858 | } | |
859 | } | |
860 | return 0; | |
861 | } | |
862 | ||
34d37b3e RK |
863 | /** @brief Validate an alias pattern |
864 | * @param cs Configuration state | |
865 | * @param nvec Length of (proposed) new value | |
866 | * @param vec Elements of new value | |
867 | * @return 0 on success, non-0 on error | |
868 | */ | |
460b9539 | 869 | static int validate_alias(const struct config_state *cs, |
870 | int nvec, | |
871 | char **vec) { | |
872 | const char *s; | |
873 | int in_brackets = 0, c; | |
874 | ||
875 | if(nvec < 1) { | |
2e9ba080 | 876 | disorder_error(0, "%s:%d: missing argument", cs->path, cs->line); |
460b9539 | 877 | return -1; |
878 | } | |
879 | if(nvec > 1) { | |
2e9ba080 | 880 | disorder_error(0, "%s:%d: too many arguments", cs->path, cs->line); |
460b9539 | 881 | return -1; |
882 | } | |
883 | s = vec[0]; | |
884 | while((c = (unsigned char)*s++)) { | |
885 | if(in_brackets) { | |
886 | if(c == '}') | |
887 | in_brackets = 0; | |
888 | else if(!isalnum(c)) { | |
2e9ba080 RK |
889 | disorder_error(0, "%s:%d: invalid part name in alias expansion in '%s'", |
890 | cs->path, cs->line, vec[0]); | |
460b9539 | 891 | return -1; |
892 | } | |
893 | } else { | |
894 | if(c == '{') { | |
895 | in_brackets = 1; | |
896 | if(*s == '/') | |
897 | ++s; | |
898 | } else if(c == '\\') { | |
899 | if(!(c = (unsigned char)*s++)) { | |
2e9ba080 RK |
900 | disorder_error(0, "%s:%d: unterminated escape in alias expansion in '%s'", |
901 | cs->path, cs->line, vec[0]); | |
460b9539 | 902 | return -1; |
903 | } else if(c != '\\' && c != '{') { | |
2e9ba080 RK |
904 | disorder_error(0, "%s:%d: invalid escape in alias expansion in '%s'", |
905 | cs->path, cs->line, vec[0]); | |
460b9539 | 906 | return -1; |
907 | } | |
908 | } | |
909 | } | |
910 | ++s; | |
911 | } | |
912 | if(in_brackets) { | |
2e9ba080 RK |
913 | disorder_error(0, |
914 | "%s:%d: unterminated part name in alias expansion in '%s'", | |
915 | cs->path, cs->line, vec[0]); | |
460b9539 | 916 | return -1; |
917 | } | |
918 | return 0; | |
919 | } | |
920 | ||
34d37b3e RK |
921 | /** @brief Validate a hash algorithm name |
922 | * @param cs Configuration state | |
923 | * @param nvec Length of (proposed) new value | |
924 | * @param vec Elements of new value | |
925 | * @return 0 on success, non-0 on error | |
926 | */ | |
637fdea3 RK |
927 | static int validate_algo(const struct config_state attribute((unused)) *cs, |
928 | int nvec, | |
929 | char **vec) { | |
930 | if(nvec != 1) { | |
2e9ba080 | 931 | disorder_error(0, "%s:%d: invalid algorithm specification", cs->path, cs->line); |
637fdea3 RK |
932 | return -1; |
933 | } | |
934 | if(!valid_authhash(vec[0])) { | |
2e9ba080 | 935 | disorder_error(0, "%s:%d: unsuported algorithm '%s'", cs->path, cs->line, vec[0]); |
637fdea3 RK |
936 | return -1; |
937 | } | |
938 | return 0; | |
939 | } | |
940 | ||
9e42afcd | 941 | #if !_WIN32 |
34d37b3e RK |
942 | /** @brief Validate a playback backend name |
943 | * @param cs Configuration state | |
944 | * @param nvec Length of (proposed) new value | |
945 | * @param vec Elements of new value | |
946 | * @return 0 on success, non-0 on error | |
947 | */ | |
b50cfb8a RK |
948 | static int validate_backend(const struct config_state attribute((unused)) *cs, |
949 | int nvec, | |
950 | char **vec) { | |
951 | int n; | |
952 | if(nvec != 1) { | |
2e9ba080 | 953 | disorder_error(0, "%s:%d: invalid sound API specification", cs->path, cs->line); |
b50cfb8a RK |
954 | return -1; |
955 | } | |
956 | if(!strcmp(vec[0], "network")) { | |
2e9ba080 | 957 | disorder_error(0, "'api network' is deprecated; use 'api rtp'"); |
b50cfb8a RK |
958 | return 0; |
959 | } | |
960 | if(config_uaudio_apis) { | |
961 | for(n = 0; config_uaudio_apis[n]; ++n) | |
962 | if(!strcmp(vec[0], config_uaudio_apis[n]->name)) | |
963 | return 0; | |
2e9ba080 | 964 | disorder_error(0, "%s:%d: unrecognized sound API '%s'", cs->path, cs->line, vec[0]); |
b50cfb8a RK |
965 | return -1; |
966 | } | |
967 | /* In non-server processes we have no idea what's valid */ | |
968 | return 0; | |
969 | } | |
9e42afcd | 970 | #endif |
b50cfb8a | 971 | |
34d37b3e RK |
972 | /** @brief Validate a pause mode string |
973 | * @param cs Configuration state | |
974 | * @param nvec Length of (proposed) new value | |
975 | * @param vec Elements of new value | |
976 | * @return 0 on success, non-0 on error | |
977 | */ | |
f75ab9d3 RK |
978 | static int validate_pausemode(const struct config_state attribute((unused)) *cs, |
979 | int nvec, | |
980 | char **vec) { | |
981 | if(nvec == 1 && (!strcmp(vec[0], "silence") || !strcmp(vec[0], "suspend"))) | |
982 | return 0; | |
2e9ba080 | 983 | disorder_error(0, "%s:%d: invalid pause mode", cs->path, cs->line); |
f75ab9d3 RK |
984 | return -1; |
985 | } | |
986 | ||
34d37b3e RK |
987 | /** @brief Validate a destination network address |
988 | * @param cs Configuration state | |
989 | * @param nvec Length of (proposed) new value | |
990 | * @param vec Elements of new value | |
991 | * @return 0 on success, non-0 on error | |
992 | * | |
993 | * By a destination address, it is meant that it must not be a wildcard | |
994 | * address. | |
995 | */ | |
76e72f65 RK |
996 | static int validate_destaddr(const struct config_state attribute((unused)) *cs, |
997 | int nvec, | |
998 | char **vec) { | |
999 | struct netaddress na[1]; | |
1000 | ||
1001 | if(netaddress_parse(na, nvec, vec)) { | |
2e9ba080 | 1002 | disorder_error(0, "%s:%d: invalid network address", cs->path, cs->line); |
76e72f65 RK |
1003 | return -1; |
1004 | } | |
1005 | if(!na->address) { | |
2e9ba080 | 1006 | disorder_error(0, "%s:%d: destination address required", cs->path, cs->line); |
76e72f65 RK |
1007 | return -1; |
1008 | } | |
47854c5f | 1009 | xfree(na->address); |
76e72f65 RK |
1010 | return 0; |
1011 | } | |
1012 | ||
3f3bb97b | 1013 | /** @brief Item name and and offset */ |
460b9539 | 1014 | #define C(x) #x, offsetof(struct config, x) |
3f3bb97b | 1015 | /** @brief Item name and and offset */ |
460b9539 | 1016 | #define C2(x,y) #x, offsetof(struct config, y) |
1017 | ||
3f3bb97b | 1018 | /** @brief All configuration items */ |
460b9539 | 1019 | static const struct conf conf[] = { |
1020 | { C(alias), &type_string, validate_alias }, | |
9e42afcd | 1021 | #if !_WIN32 |
b50cfb8a | 1022 | { C(api), &type_string, validate_backend }, |
9e42afcd | 1023 | #endif |
637fdea3 | 1024 | { C(authorization_algorithm), &type_string, validate_algo }, |
76e72f65 RK |
1025 | { C(broadcast), &type_netaddress, validate_destaddr }, |
1026 | { C(broadcast_from), &type_netaddress, validate_any }, | |
bd8895a8 | 1027 | { C(channel), &type_string, validate_any }, |
460b9539 | 1028 | { C(checkpoint_kbyte), &type_integer, validate_non_negative }, |
1029 | { C(checkpoint_min), &type_integer, validate_non_negative }, | |
1030 | { C(collection), &type_collections, validate_any }, | |
e41a9999 | 1031 | { C(connect), &type_netaddress, validate_destaddr }, |
b12be54a | 1032 | { C(cookie_key_lifetime), &type_integer, validate_positive }, |
2a1c84fb | 1033 | { C(cookie_login_lifetime), &type_integer, validate_positive }, |
8818b7fc | 1034 | { C(dbversion), &type_integer, validate_positive }, |
04e1fa7c | 1035 | { C(default_rights), &type_rights, validate_any }, |
460b9539 | 1036 | { C(device), &type_string, validate_any }, |
460b9539 | 1037 | { C(history), &type_integer, validate_positive }, |
9e42afcd | 1038 | #if !_WIN32 |
659d87e8 | 1039 | { C(home), &type_string, validate_isabspath }, |
9e42afcd | 1040 | #endif |
80dc2c5f | 1041 | { C(listen), &type_netaddress, validate_any }, |
bb6ae3fb | 1042 | { C(mail_sender), &type_string, validate_any }, |
bd8895a8 | 1043 | { C(mixer), &type_string, validate_any }, |
8488cf7d | 1044 | { C(mount_rescan), &type_boolean, validate_any }, |
61941295 | 1045 | { C(multicast_loop), &type_boolean, validate_any }, |
23205f9c | 1046 | { C(multicast_ttl), &type_integer, validate_non_negative }, |
460b9539 | 1047 | { C(namepart), &type_namepart, validate_any }, |
05dcfac6 RK |
1048 | { C(new_bias), &type_integer, validate_positive }, |
1049 | { C(new_bias_age), &type_integer, validate_positive }, | |
d742bb47 | 1050 | { C(new_max), &type_integer, validate_positive }, |
460b9539 | 1051 | { C2(nice, nice_rescan), &type_integer, validate_non_negative }, |
1052 | { C(nice_rescan), &type_integer, validate_non_negative }, | |
1053 | { C(nice_server), &type_integer, validate_any }, | |
1054 | { C(nice_speaker), &type_integer, validate_any }, | |
2a10b70b | 1055 | { C(noticed_history), &type_integer, validate_positive }, |
460b9539 | 1056 | { C(password), &type_string, validate_any }, |
f75ab9d3 | 1057 | { C(pause_mode), &type_string, validate_pausemode }, |
460b9539 | 1058 | { C(player), &type_stringlist_accum, validate_player }, |
ddbf05c8 | 1059 | { C(playlist_lock_timeout), &type_integer, validate_positive }, |
2563dc1f | 1060 | { C(playlist_max) , &type_integer, validate_positive }, |
460b9539 | 1061 | { C(plugins), &type_string_accum, validate_isdir }, |
459d4402 | 1062 | { C(queue_pad), &type_integer, validate_positive }, |
460b9539 | 1063 | { C(refresh), &type_integer, validate_positive }, |
533272be | 1064 | { C(refresh_min), &type_integer, validate_non_negative }, |
6207d2f3 | 1065 | { C(reminder_interval), &type_integer, validate_positive }, |
810b8083 | 1066 | { C(remote_userman), &type_boolean, validate_any }, |
2a1c84fb | 1067 | { C(replay_min), &type_integer, validate_non_negative }, |
ba70caca | 1068 | { C(rtp_delay_threshold), &type_integer, validate_positive }, |
b0116b5c | 1069 | { C(rtp_mode), &type_string, validate_any }, |
87864f77 | 1070 | { C(rtp_verbose), &type_boolean, validate_any }, |
9d5da576 | 1071 | { C(sample_format), &type_sample_format, validate_sample_format }, |
460b9539 | 1072 | { C(scratch), &type_string_accum, validate_isreg }, |
9e42afcd | 1073 | #if !_WIN32 |
2eee4b0c | 1074 | { C(sendmail), &type_string, validate_isabspath }, |
9e42afcd | 1075 | #endif |
61507e3c | 1076 | { C(short_display), &type_integer, validate_positive }, |
460b9539 | 1077 | { C(signal), &type_signal, validate_any }, |
bb6ae3fb | 1078 | { C(smtp_server), &type_string, validate_any }, |
5330d674 | 1079 | { C(sox_generation), &type_integer, validate_non_negative }, |
9e42afcd | 1080 | #if !_WIN32 |
b50cfb8a | 1081 | { C2(speaker_backend, api), &type_string, validate_backend }, |
9e42afcd | 1082 | #endif |
9d5da576 | 1083 | { C(speaker_command), &type_string, validate_any }, |
460b9539 | 1084 | { C(stopword), &type_string_accum, validate_any }, |
1085 | { C(templates), &type_string_accum, validate_isdir }, | |
62dc3748 | 1086 | { C(tracklength), &type_stringlist_accum, validate_tracklength }, |
460b9539 | 1087 | { C(transform), &type_transform, validate_any }, |
460b9539 | 1088 | { C(url), &type_string, validate_url }, |
9e42afcd | 1089 | #if !_WIN32 |
460b9539 | 1090 | { C(user), &type_string, validate_isauser }, |
9e42afcd | 1091 | #endif |
460b9539 | 1092 | { C(username), &type_string, validate_any }, |
1093 | }; | |
1094 | ||
3f3bb97b | 1095 | /** @brief Find a configuration item's definition by key */ |
460b9539 | 1096 | static const struct conf *find(const char *key) { |
1097 | int n; | |
1098 | ||
ba937f01 | 1099 | if((n = TABLE_FIND(conf, name, key)) < 0) |
460b9539 | 1100 | return 0; |
1101 | return &conf[n]; | |
1102 | } | |
1103 | ||
34d37b3e RK |
1104 | /** @brief Set a new configuration value |
1105 | * @param cs Configuration state | |
1106 | * @param nvec Length of @p vec | |
1107 | * @param vec Name and new value | |
1108 | * @return 0 on success, non-0 on error. | |
1109 | * | |
1110 | * @c vec[0] is the name, the rest is the value. | |
1111 | */ | |
460b9539 | 1112 | static int config_set(const struct config_state *cs, |
1113 | int nvec, char **vec) { | |
1114 | const struct conf *which; | |
1115 | ||
1116 | D(("config_set %s", vec[0])); | |
1117 | if(!(which = find(vec[0]))) { | |
2e9ba080 | 1118 | disorder_error(0, "%s:%d: unknown configuration key '%s'", |
460b9539 | 1119 | cs->path, cs->line, vec[0]); |
1120 | return -1; | |
1121 | } | |
1122 | return (which->validate(cs, nvec - 1, vec + 1) | |
1123 | || which->type->set(cs, which, nvec - 1, vec + 1)); | |
1124 | } | |
1125 | ||
34d37b3e RK |
1126 | /** @brief Set a configuration item from parameters |
1127 | * @param cs Configuration state | |
1128 | * @param which Item to set | |
1129 | * @param ... Value as strings, terminated by (char *)NULL | |
1130 | * @return 0 on success, non-0 on error | |
1131 | */ | |
e6a35d1c RK |
1132 | static int config_set_args(const struct config_state *cs, |
1133 | const char *which, ...) { | |
1134 | va_list ap; | |
1135 | struct vector v[1]; | |
1136 | char *s; | |
05b3f1f6 | 1137 | int rc; |
e6a35d1c RK |
1138 | |
1139 | vector_init(v); | |
1140 | vector_append(v, (char *)which); | |
1141 | va_start(ap, which); | |
1142 | while((s = va_arg(ap, char *))) | |
1143 | vector_append(v, s); | |
1144 | va_end(ap); | |
1145 | vector_terminate(v); | |
05b3f1f6 | 1146 | rc = config_set(cs, v->nvec, v->vec); |
47854c5f RK |
1147 | xfree(v->vec); |
1148 | return rc; | |
e6a35d1c RK |
1149 | } |
1150 | ||
34d37b3e RK |
1151 | /** @brief Error callback used by config_include() |
1152 | * @param msg Error message | |
1153 | * @param u User data (@ref config_state) | |
1154 | */ | |
460b9539 | 1155 | static void config_error(const char *msg, void *u) { |
1156 | const struct config_state *cs = u; | |
1157 | ||
2e9ba080 | 1158 | disorder_error(0, "%s:%d: %s", cs->path, cs->line, msg); |
460b9539 | 1159 | } |
1160 | ||
34d37b3e RK |
1161 | /** @brief Include a file by name |
1162 | * @param c Configuration to update | |
1163 | * @param path Path to read | |
1164 | * @return 0 on success, non-0 on error | |
1165 | */ | |
460b9539 | 1166 | static int config_include(struct config *c, const char *path) { |
1167 | FILE *fp; | |
1168 | char *buffer, *inputbuffer, **vec; | |
1169 | int n, ret = 0; | |
1170 | struct config_state cs; | |
1171 | ||
1172 | cs.path = path; | |
1173 | cs.line = 0; | |
1174 | cs.config = c; | |
1175 | D(("%s: reading configuration", path)); | |
1176 | if(!(fp = fopen(path, "r"))) { | |
2e9ba080 | 1177 | disorder_error(errno, "error opening %s", path); |
460b9539 | 1178 | return -1; |
1179 | } | |
1180 | while(!inputline(path, fp, &inputbuffer, '\n')) { | |
1181 | ++cs.line; | |
1182 | if(!(buffer = mb2utf8(inputbuffer))) { | |
2e9ba080 | 1183 | disorder_error(errno, "%s:%d: cannot convert to UTF-8", cs.path, cs.line); |
460b9539 | 1184 | ret = -1; |
1185 | xfree(inputbuffer); | |
1186 | continue; | |
1187 | } | |
1188 | xfree(inputbuffer); | |
1189 | if(!(vec = split(buffer, &n, SPLIT_COMMENTS|SPLIT_QUOTES, | |
1190 | config_error, &cs))) { | |
1191 | ret = -1; | |
1192 | xfree(buffer); | |
1193 | continue; | |
1194 | } | |
1195 | if(n) { | |
34d37b3e | 1196 | /* 'include' is special-cased */ |
460b9539 | 1197 | if(!strcmp(vec[0], "include")) { |
1198 | if(n != 2) { | |
2e9ba080 | 1199 | disorder_error(0, "%s:%d: must be 'include PATH'", cs.path, cs.line); |
460b9539 | 1200 | ret = -1; |
1201 | } else | |
1202 | config_include(c, vec[1]); | |
1203 | } else | |
1204 | ret |= config_set(&cs, n, vec); | |
1205 | } | |
1206 | for(n = 0; vec[n]; ++n) xfree(vec[n]); | |
1207 | xfree(vec); | |
1208 | xfree(buffer); | |
1209 | } | |
1210 | if(ferror(fp)) { | |
2e9ba080 | 1211 | disorder_error(errno, "error reading %s", path); |
460b9539 | 1212 | ret = -1; |
1213 | } | |
1214 | fclose(fp); | |
1215 | return ret; | |
1216 | } | |
1217 | ||
34d37b3e | 1218 | /** @brief Default stopword setting */ |
86be0c30 | 1219 | static const char *const default_stopwords[] = { |
1220 | "stopword", | |
1221 | ||
1222 | "01", | |
1223 | "02", | |
1224 | "03", | |
1225 | "04", | |
1226 | "05", | |
1227 | "06", | |
1228 | "07", | |
1229 | "08", | |
1230 | "09", | |
1231 | "1", | |
1232 | "10", | |
1233 | "11", | |
1234 | "12", | |
1235 | "13", | |
1236 | "14", | |
1237 | "15", | |
1238 | "16", | |
1239 | "17", | |
1240 | "18", | |
1241 | "19", | |
1242 | "2", | |
1243 | "20", | |
1244 | "21", | |
1245 | "22", | |
1246 | "23", | |
1247 | "24", | |
1248 | "25", | |
1249 | "26", | |
1250 | "27", | |
1251 | "28", | |
1252 | "29", | |
1253 | "3", | |
1254 | "30", | |
1255 | "4", | |
1256 | "5", | |
1257 | "6", | |
1258 | "7", | |
1259 | "8", | |
1260 | "9", | |
1261 | "a", | |
1262 | "am", | |
1263 | "an", | |
1264 | "and", | |
1265 | "as", | |
1266 | "for", | |
1267 | "i", | |
1268 | "im", | |
1269 | "in", | |
1270 | "is", | |
1271 | "of", | |
1272 | "on", | |
1273 | "the", | |
1274 | "to", | |
1275 | "too", | |
1276 | "we", | |
1277 | }; | |
1278 | #define NDEFAULT_STOPWORDS (sizeof default_stopwords / sizeof *default_stopwords) | |
1279 | ||
34d37b3e | 1280 | /** @brief Default player patterns */ |
e6a35d1c RK |
1281 | static const char *const default_players[] = { |
1282 | "*.ogg", | |
1283 | "*.flac", | |
1284 | "*.mp3", | |
1285 | "*.wav", | |
1286 | }; | |
1287 | #define NDEFAULT_PLAYERS (sizeof default_players / sizeof *default_players) | |
1288 | ||
34d37b3e RK |
1289 | /** @brief Make a new default configuration |
1290 | * @return New configuration | |
1291 | */ | |
460b9539 | 1292 | static struct config *config_default(void) { |
1293 | struct config *c = xmalloc(sizeof *c); | |
9e42afcd | 1294 | #if !_WIN32 |
460b9539 | 1295 | const char *logname; |
1296 | struct passwd *pw; | |
9e42afcd | 1297 | #endif |
86be0c30 | 1298 | struct config_state cs; |
e6a35d1c | 1299 | size_t n; |
460b9539 | 1300 | |
86be0c30 | 1301 | cs.path = "<internal>"; |
1302 | cs.line = 0; | |
1303 | cs.config = c; | |
460b9539 | 1304 | /* Strings had better be xstrdup'd as they will get freed at some point. */ |
460b9539 | 1305 | c->history = 60; |
9e42afcd | 1306 | #if !_WIN32 |
460b9539 | 1307 | c->home = xstrdup(pkgstatedir); |
9e42afcd RK |
1308 | #endif |
1309 | #if _WIN32 | |
1310 | { | |
1311 | char buffer[128]; | |
1312 | DWORD bufsize = sizeof buffer; | |
1313 | if(!GetUserNameA(buffer, &bufsize)) | |
1314 | disorder_fatal(0, "cannot determine our username"); | |
1315 | c->username = xstrdup(buffer); | |
1316 | } | |
1317 | #else | |
460b9539 | 1318 | if(!(pw = getpwuid(getuid()))) |
2e9ba080 | 1319 | disorder_fatal(0, "cannot determine our username"); |
460b9539 | 1320 | logname = pw->pw_name; |
1321 | c->username = xstrdup(logname); | |
9e42afcd | 1322 | #endif |
460b9539 | 1323 | c->refresh = 15; |
533272be | 1324 | c->refresh_min = 1; |
9e42afcd | 1325 | #ifdef SIGKILL |
460b9539 | 1326 | c->signal = SIGKILL; |
9e42afcd RK |
1327 | #else |
1328 | c->signal = SIGTERM; | |
1329 | #endif | |
460b9539 | 1330 | c->alias = xstrdup("{/artist}{/album}{/title}{ext}"); |
460b9539 | 1331 | c->device = xstrdup("default"); |
1332 | c->nice_rescan = 10; | |
9d5da576 | 1333 | c->speaker_command = 0; |
1334 | c->sample_format.bits = 16; | |
1335 | c->sample_format.rate = 44100; | |
1336 | c->sample_format.channels = 2; | |
6d2d327c | 1337 | c->sample_format.endian = ENDIAN_NATIVE; |
459d4402 | 1338 | c->queue_pad = 10; |
cebe3127 | 1339 | c->replay_min = 8 * 3600; |
b50cfb8a | 1340 | c->api = NULL; |
23205f9c | 1341 | c->multicast_ttl = 1; |
61941295 | 1342 | c->multicast_loop = 1; |
637fdea3 | 1343 | c->authorization_algorithm = xstrdup("sha1"); |
2a10b70b | 1344 | c->noticed_history = 31; |
61507e3c | 1345 | c->short_display = 32; |
bd8895a8 | 1346 | c->mixer = 0; |
1347 | c->channel = 0; | |
8818b7fc | 1348 | c->dbversion = 2; |
b12be54a RK |
1349 | c->cookie_login_lifetime = 86400; |
1350 | c->cookie_key_lifetime = 86400 * 7; | |
9e42afcd | 1351 | #if !_WIN32 |
2eee4b0c RK |
1352 | if(sendmail_binary[0] && strcmp(sendmail_binary, "none")) |
1353 | c->sendmail = xstrdup(sendmail_binary); | |
9e42afcd | 1354 | #endif |
bb6ae3fb | 1355 | c->smtp_server = xstrdup("127.0.0.1"); |
d742bb47 | 1356 | c->new_max = 100; |
6207d2f3 | 1357 | c->reminder_interval = 600; /* 10m */ |
05dcfac6 | 1358 | c->new_bias_age = 7 * 86400; /* 1 week */ |
6151ae7e | 1359 | c->new_bias = 4500000; /* 50 times the base weight */ |
419893d7 | 1360 | c->sox_generation = DEFAULT_SOX_GENERATION; |
2563dc1f | 1361 | c->playlist_max = INT_MAX; /* effectively no limit */ |
ddbf05c8 | 1362 | c->playlist_lock_timeout = 10; /* 10s */ |
8488cf7d | 1363 | c->mount_rescan = 1; |
e6a35d1c | 1364 | /* Default stopwords */ |
86be0c30 | 1365 | if(config_set(&cs, (int)NDEFAULT_STOPWORDS, (char **)default_stopwords)) |
1366 | exit(1); | |
e6a35d1c RK |
1367 | /* Default player configuration */ |
1368 | for(n = 0; n < NDEFAULT_PLAYERS; ++n) { | |
1369 | if(config_set_args(&cs, "player", | |
1370 | default_players[n], "execraw", "disorder-decode", (char *)0)) | |
1371 | exit(1); | |
1372 | if(config_set_args(&cs, "tracklength", | |
1373 | default_players[n], "disorder-tracklength", (char *)0)) | |
1374 | exit(1); | |
1375 | } | |
76e72f65 RK |
1376 | c->broadcast.af = -1; |
1377 | c->broadcast_from.af = -1; | |
80dc2c5f | 1378 | c->listen.af = -1; |
e41a9999 | 1379 | c->connect.af = -1; |
b0116b5c | 1380 | c->rtp_mode = xstrdup("auto"); |
460b9539 | 1381 | return c; |
1382 | } | |
1383 | ||
9e42afcd | 1384 | #if !_WIN32 |
34d37b3e RK |
1385 | /** @brief Construct a filename |
1386 | * @param c Configuration | |
1387 | * @param name Base filename | |
1388 | * @return Full filename | |
1389 | * | |
1390 | * Usually use config_get_file() instead. | |
1391 | */ | |
319d7107 | 1392 | char *config_get_file2(struct config *c, const char *name) { |
460b9539 | 1393 | char *s; |
1394 | ||
1395 | byte_xasprintf(&s, "%s/%s", c->home, name); | |
1396 | return s; | |
1397 | } | |
9e42afcd | 1398 | #endif |
460b9539 | 1399 | |
3f3bb97b | 1400 | /** @brief Set the default configuration file */ |
460b9539 | 1401 | static void set_configfile(void) { |
9e42afcd | 1402 | #if !_WIN32 |
460b9539 | 1403 | if(!configfile) |
1404 | byte_xasprintf(&configfile, "%s/config", pkgconfdir); | |
9e42afcd | 1405 | #endif |
460b9539 | 1406 | } |
1407 | ||
34d37b3e RK |
1408 | /** @brief Free a configuration object |
1409 | * @param c Configuration to free | |
1410 | * | |
1411 | * @p c is indeterminate after this function is called. | |
1412 | */ | |
47854c5f | 1413 | void config_free(struct config *c) { |
460b9539 | 1414 | int n; |
1415 | ||
1416 | if(c) { | |
1417 | for(n = 0; n < (int)(sizeof conf / sizeof *conf); ++n) | |
1418 | conf[n].type->free(c, &conf[n]); | |
1419 | for(n = 0; n < c->nparts; ++n) | |
1420 | xfree(c->parts[n]); | |
1421 | xfree(c->parts); | |
1422 | xfree(c); | |
1423 | } | |
1424 | } | |
1425 | ||
34d37b3e RK |
1426 | /** @brief Set post-parse defaults |
1427 | * @param c Configuration to update | |
1428 | * @param server True when running in the server | |
1429 | * | |
1430 | * If @p server is set then certain parts of the configuration are more | |
1431 | * strictly validated. | |
1432 | */ | |
c00fce3a RK |
1433 | static void config_postdefaults(struct config *c, |
1434 | int server) { | |
460b9539 | 1435 | struct config_state cs; |
1436 | const struct conf *whoami; | |
1437 | int n; | |
1438 | ||
1439 | static const char *namepart[][4] = { | |
bcf50f5c | 1440 | { "title", "/([0-9]+ *[-:]? *)?([^/]+)\\.[a-zA-Z0-9]+$", "$2", "display" }, |
460b9539 | 1441 | { "title", "/([^/]+)\\.[a-zA-Z0-9]+$", "$1", "sort" }, |
1442 | { "album", "/([^/]+)/[^/]+$", "$1", "*" }, | |
1443 | { "artist", "/([^/]+)/[^/]+/[^/]+$", "$1", "*" }, | |
1444 | { "ext", "(\\.[a-zA-Z0-9]+)$", "$1", "*" }, | |
1445 | }; | |
1446 | #define NNAMEPART (int)(sizeof namepart / sizeof *namepart) | |
1447 | ||
1448 | static const char *transform[][5] = { | |
bcf50f5c | 1449 | { "track", "^.*/([0-9]+ *[-:]? *)?([^/]+)\\.[a-zA-Z0-9]+$", "$2", "display", "" }, |
460b9539 | 1450 | { "track", "^.*/([^/]+)\\.[a-zA-Z0-9]+$", "$1", "sort", "" }, |
1451 | { "dir", "^.*/([^/]+)$", "$1", "*", "" }, | |
1452 | { "dir", "^(the) ([^/]*)", "$2, $1", "sort", "i", }, | |
1453 | { "dir", "[[:punct:]]", "", "sort", "g", } | |
1454 | }; | |
1455 | #define NTRANSFORM (int)(sizeof transform / sizeof *transform) | |
1456 | ||
1457 | cs.path = "<internal>"; | |
1458 | cs.line = 0; | |
1459 | cs.config = c; | |
1460 | if(!c->namepart.n) { | |
1461 | whoami = find("namepart"); | |
1462 | for(n = 0; n < NNAMEPART; ++n) | |
1463 | set_namepart(&cs, whoami, 4, (char **)namepart[n]); | |
1464 | } | |
1465 | if(!c->transform.n) { | |
1466 | whoami = find("transform"); | |
1467 | for(n = 0; n < NTRANSFORM; ++n) | |
1468 | set_transform(&cs, whoami, 5, (char **)transform[n]); | |
1469 | } | |
b50cfb8a | 1470 | if(!c->api) { |
e83d0967 | 1471 | if(c->speaker_command) |
b50cfb8a | 1472 | c->api = xstrdup("command"); |
76e72f65 | 1473 | else if(c->broadcast.af != -1) |
b50cfb8a | 1474 | c->api = xstrdup("rtp"); |
9e42afcd | 1475 | #if !_WIN32 |
b50cfb8a | 1476 | else if(config_uaudio_apis) |
06385470 RK |
1477 | c->api = xstrdup(uaudio_default(config_uaudio_apis, |
1478 | UAUDIO_API_SERVER)->name); | |
9e42afcd | 1479 | #endif |
8aae240b | 1480 | else |
b50cfb8a | 1481 | c->api = xstrdup("<none>"); |
e83d0967 | 1482 | } |
b50cfb8a RK |
1483 | if(!strcmp(c->api, "network")) |
1484 | c->api = xstrdup("rtp"); | |
c00fce3a | 1485 | if(server) { |
b50cfb8a | 1486 | if(!strcmp(c->api, "command") && !c->speaker_command) |
2e9ba080 | 1487 | disorder_fatal(0, "'api command' but speaker_command is not set"); |
3fe2333a MW |
1488 | if((!strcmp(c->api, "rtp")) && |
1489 | c->broadcast.af == -1 && strcmp(c->rtp_mode, "request")) | |
1490 | disorder_fatal(0, "'api rtp' but broadcast is not set " | |
1491 | "and mode is not not 'request'"); | |
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); | |
657fdb79 | 1511 | r |= RIGHT_SCRATCH_ANY|RIGHT_MOVE_ANY|RIGHT_REMOVE_ANY; |
0f55e905 | 1512 | c->default_rights = rights_string(r); |
04e1fa7c | 1513 | } |
460b9539 | 1514 | } |
1515 | ||
c00fce3a RK |
1516 | /** @brief (Re-)read the config file |
1517 | * @param server If set, do extra checking | |
02ba7921 RK |
1518 | * @param oldconfig Old configuration for compatibility check |
1519 | * @return 0 on success, non-0 on error | |
1520 | * | |
1521 | * If @p oldconfig is set, then certain compatibility checks are done between | |
1522 | * the old and new configurations. | |
c00fce3a | 1523 | */ |
02ba7921 RK |
1524 | int config_read(int server, |
1525 | const struct config *oldconfig) { | |
460b9539 | 1526 | struct config *c; |
1527 | char *privconf; | |
9e42afcd | 1528 | struct passwd *pw = NULL; |
460b9539 | 1529 | |
1530 | set_configfile(); | |
1531 | c = config_default(); | |
9e42afcd RK |
1532 | /* standalone client installs might not have a global config file */ |
1533 | if(configfile) | |
1534 | if(access(configfile, F_OK) == 0) | |
1535 | if(config_include(c, configfile)) | |
1536 | return -1; | |
460b9539 | 1537 | /* if we can read the private config file, do */ |
1538 | if((privconf = config_private()) | |
1539 | && access(privconf, R_OK) == 0 | |
1540 | && config_include(c, privconf)) | |
1541 | return -1; | |
1542 | xfree(privconf); | |
1543 | /* if there's a per-user system config file for this user, read it */ | |
63ad732f | 1544 | if(config_per_user) { |
9e42afcd | 1545 | #if !_WIN32 |
63ad732f | 1546 | if(!(pw = getpwuid(getuid()))) |
2e9ba080 | 1547 | disorder_fatal(0, "cannot determine our username"); |
63ad732f RK |
1548 | if((privconf = config_usersysconf(pw)) |
1549 | && access(privconf, F_OK) == 0 | |
1550 | && config_include(c, privconf)) | |
460b9539 | 1551 | return -1; |
63ad732f | 1552 | xfree(privconf); |
9e42afcd | 1553 | #endif |
63ad732f | 1554 | /* if we have a password file, read it */ |
5b14453f | 1555 | if((privconf = config_userconf(0, pw)) |
63ad732f RK |
1556 | && access(privconf, F_OK) == 0 |
1557 | && config_include(c, privconf)) | |
1558 | return -1; | |
1559 | xfree(privconf); | |
1560 | } | |
460b9539 | 1561 | /* install default namepart and transform settings */ |
c00fce3a | 1562 | config_postdefaults(c, server); |
02ba7921 RK |
1563 | if(oldconfig) { |
1564 | int failed = 0; | |
9e42afcd | 1565 | #if !_WIN32 |
02ba7921 | 1566 | if(strcmp(c->home, oldconfig->home)) { |
2e9ba080 | 1567 | disorder_error(0, "'home' cannot be changed without a restart"); |
02ba7921 RK |
1568 | failed = 1; |
1569 | } | |
9e42afcd | 1570 | #endif |
02ba7921 | 1571 | if(strcmp(c->alias, oldconfig->alias)) { |
2e9ba080 | 1572 | disorder_error(0, "'alias' cannot be changed without a restart"); |
02ba7921 RK |
1573 | failed = 1; |
1574 | } | |
1575 | if(strcmp(c->user, oldconfig->user)) { | |
2e9ba080 | 1576 | disorder_error(0, "'user' cannot be changed without a restart"); |
02ba7921 RK |
1577 | failed = 1; |
1578 | } | |
1579 | if(c->nice_speaker != oldconfig->nice_speaker) { | |
2e9ba080 | 1580 | disorder_error(0, "'nice_speaker' cannot be changed without a restart"); |
02ba7921 RK |
1581 | /* ...but we accept the new config anyway */ |
1582 | } | |
553d8115 | 1583 | if(c->nice_server != oldconfig->nice_server) { |
2e9ba080 | 1584 | disorder_error(0, "'nice_server' cannot be changed without a restart"); |
553d8115 RK |
1585 | /* ...but we accept the new config anyway */ |
1586 | } | |
9417e1a3 | 1587 | if(namepartlist_compare(&c->namepart, &oldconfig->namepart)) { |
2e9ba080 | 1588 | disorder_error(0, "'namepart' settings cannot be changed without a restart"); |
9417e1a3 RK |
1589 | failed = 1; |
1590 | } | |
1591 | if(stringlist_compare(&c->stopword, &oldconfig->stopword)) { | |
2e9ba080 | 1592 | disorder_error(0, "'stopword' settings cannot be changed without a restart"); |
9417e1a3 RK |
1593 | failed = 1; |
1594 | } | |
02ba7921 | 1595 | if(failed) { |
2e9ba080 | 1596 | disorder_error(0, "not installing incompatible new configuration"); |
02ba7921 RK |
1597 | return -1; |
1598 | } | |
1599 | } | |
460b9539 | 1600 | /* everything is good so we shall use the new config */ |
1601 | config_free(config); | |
04e1fa7c | 1602 | /* warn about obsolete directives */ |
460b9539 | 1603 | config = c; |
1604 | return 0; | |
1605 | } | |
1606 | ||
3f3bb97b | 1607 | /** @brief Return the path to the private configuration file */ |
460b9539 | 1608 | char *config_private(void) { |
9e42afcd RK |
1609 | #if _WIN32 |
1610 | return NULL; | |
1611 | #else | |
460b9539 | 1612 | char *s; |
1613 | ||
1614 | set_configfile(); | |
1615 | byte_xasprintf(&s, "%s.private", configfile); | |
1616 | return s; | |
9e42afcd | 1617 | #endif |
460b9539 | 1618 | } |
1619 | ||
3f3bb97b | 1620 | /** @brief Return the path to user's personal configuration file */ |
460b9539 | 1621 | char *config_userconf(const char *home, const struct passwd *pw) { |
1622 | char *s; | |
9e42afcd RK |
1623 | #if _WIN32 |
1624 | wchar_t *wpath = 0; | |
1625 | char *appdata; | |
1626 | if(SHGetKnownFolderPath(&FOLDERID_RoamingAppData, 0, NULL, &wpath) != S_OK) | |
1627 | disorder_fatal(0, "error calling SHGetKnownFolderPath"); | |
1628 | appdata = win_wtomb(wpath); | |
1629 | CoTaskMemFree(wpath); | |
1630 | byte_xasprintf(&s, "%s\\DisOrder\\passwd", appdata); | |
1631 | #else | |
73f1b9f3 | 1632 | if(!home && !pw && !(pw = getpwuid(getuid()))) |
2e9ba080 | 1633 | disorder_fatal(0, "cannot determine our username"); |
460b9539 | 1634 | byte_xasprintf(&s, "%s/.disorder/passwd", home ? home : pw->pw_dir); |
9e42afcd | 1635 | #endif |
460b9539 | 1636 | return s; |
1637 | } | |
1638 | ||
9e42afcd | 1639 | #if !_WIN32 |
3f3bb97b RK |
1640 | /** @brief Return the path to user-specific system configuration */ |
1641 | char *config_usersysconf(const struct passwd *pw) { | |
460b9539 | 1642 | char *s; |
1643 | ||
1644 | set_configfile(); | |
1645 | if(!strchr(pw->pw_name, '/')) { | |
1646 | byte_xasprintf(&s, "%s.%s", configfile, pw->pw_name); | |
1647 | return s; | |
1648 | } else | |
1649 | return 0; | |
1650 | } | |
1651 | ||
34d37b3e RK |
1652 | /** @brief Get a filename within the home directory |
1653 | * @param name Relative name | |
1654 | * @return Full path | |
1655 | */ | |
460b9539 | 1656 | char *config_get_file(const char *name) { |
319d7107 | 1657 | return config_get_file2(config, name); |
460b9539 | 1658 | } |
9e42afcd | 1659 | #endif |
460b9539 | 1660 | |
34d37b3e RK |
1661 | /** @brief Order two stringlists |
1662 | * @param a First stringlist | |
1663 | * @param b Second stringlist | |
1664 | * @return <0, 0 or >0 if a<b, a=b or a>b | |
1665 | */ | |
9417e1a3 RK |
1666 | static int stringlist_compare(const struct stringlist *a, |
1667 | const struct stringlist *b) { | |
e4132fd0 | 1668 | int n = 0, c; |
9417e1a3 RK |
1669 | |
1670 | while(n < a->n && n < b->n) { | |
1671 | if((c = strcmp(a->s[n], b->s[n]))) | |
1672 | return c; | |
1673 | ++n; | |
1674 | } | |
1675 | if(a->n < b->n) | |
1676 | return -1; | |
1677 | else if(a->n > b->n) | |
1678 | return 1; | |
1679 | else | |
1680 | return 0; | |
1681 | } | |
1682 | ||
34d37b3e RK |
1683 | /** @brief Order two namepart definitions |
1684 | * @param a First namepart definition | |
1685 | * @param b Second namepart definition | |
1686 | * @return <0, 0 or >0 if a<b, a=b or a>b | |
1687 | */ | |
9417e1a3 RK |
1688 | static int namepart_compare(const struct namepart *a, |
1689 | const struct namepart *b) { | |
1690 | int c; | |
1691 | ||
1692 | if((c = strcmp(a->part, b->part))) | |
1693 | return c; | |
1694 | if((c = strcmp(a->res, b->res))) | |
1695 | return c; | |
1696 | if((c = strcmp(a->replace, b->replace))) | |
1697 | return c; | |
1698 | if((c = strcmp(a->context, b->context))) | |
1699 | return c; | |
1700 | if(a->reflags > b->reflags) | |
1701 | return 1; | |
1702 | if(a->reflags < b->reflags) | |
1703 | return -1; | |
1704 | return 0; | |
1705 | } | |
1706 | ||
34d37b3e RK |
1707 | /** @brief Order two lists of namepart definitions |
1708 | * @param a First list of namepart definitions | |
1709 | * @param b Second list of namepart definitions | |
1710 | * @return <0, 0 or >0 if a<b, a=b or a>b | |
1711 | */ | |
9417e1a3 RK |
1712 | static int namepartlist_compare(const struct namepartlist *a, |
1713 | const struct namepartlist *b) { | |
e4132fd0 | 1714 | int n = 0, c; |
9417e1a3 RK |
1715 | |
1716 | while(n < a->n && n < b->n) { | |
1717 | if((c = namepart_compare(&a->s[n], &b->s[n]))) | |
1718 | return c; | |
1719 | ++n; | |
1720 | } | |
1721 | if(a->n > b->n) | |
1722 | return 1; | |
1723 | else if(a->n < b->n) | |
1724 | return -1; | |
1725 | else | |
1726 | return 0; | |
1727 | } | |
1728 | ||
2a1c84fb RK |
1729 | /** @brief Verify configuration table. |
1730 | * @return The number of problems found | |
1731 | */ | |
1732 | int config_verify(void) { | |
1733 | int fails = 0; | |
05b3f1f6 RK |
1734 | size_t n; |
1735 | for(n = 1; n < sizeof conf / sizeof *conf; ++n) | |
2a1c84fb RK |
1736 | if(strcmp(conf[n-1].name, conf[n].name) >= 0) { |
1737 | fprintf(stderr, "%s >= %s\n", conf[n-1].name, conf[n].name); | |
1738 | ++fails; | |
1739 | } | |
1740 | return fails; | |
1741 | } | |
1742 | ||
460b9539 | 1743 | /* |
1744 | Local Variables: | |
1745 | c-basic-offset:2 | |
1746 | comment-column:40 | |
1747 | fill-column:79 | |
1748 | End: | |
1749 | */ |