2 * This file is part of DisOrder.
3 * Copyright (C) 2004-2009 Richard Kettlewell
4 * Portions copyright (C) 2007 Mark Wooding
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
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.
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
19 /** @file lib/configuration.c
20 * @brief Configuration file support
26 #include <sys/types.h>
37 #include "configuration.h"
43 #include "inputline.h"
53 /** @brief Path to config file
55 * set_configfile() sets the deafult if it is null.
59 /** @brief Read user configuration
61 * If clear, the user-specific configuration is not read.
63 int config_per_user = 1;
65 /** @brief Table of audio APIs
67 * Only set in server processes.
69 const struct uaudio *const *config_uaudio_apis;
71 /** @brief Config file parser state */
73 /** @brief Filename */
75 /** @brief Line number */
77 /** @brief Configuration object under construction */
78 struct config *config;
81 /** @brief Current configuration */
82 struct config *config;
84 /** @brief One configuration item */
86 /** @brief Name as it appears in the config file */
88 /** @brief Offset in @ref config structure */
90 /** @brief Pointer to item type */
91 const struct conftype *type;
92 /** @brief Pointer to item-specific validation routine */
93 int (*validate)(const struct config_state *cs,
94 int nvec, char **vec);
97 /** @brief Type of a configuration item */
99 /** @brief Pointer to function to set item */
100 int (*set)(const struct config_state *cs,
101 const struct conf *whoami,
102 int nvec, char **vec);
103 /** @brief Pointer to function to free item */
104 void (*free)(struct config *c, const struct conf *whoami);
107 /** @brief Compute the address of an item */
108 #define ADDRESS(C, TYPE) ((TYPE *)((char *)(C) + whoami->offset))
109 /** @brief Return the value of an item */
110 #define VALUE(C, TYPE) (*ADDRESS(C, TYPE))
112 static int set_signal(const struct config_state *cs,
113 const struct conf *whoami,
114 int nvec, char **vec) {
118 error(0, "%s:%d: '%s' requires one argument",
119 cs->path, cs->line, whoami->name);
122 if((n = find_signal(vec[0])) == -1) {
123 error(0, "%s:%d: unknown signal '%s'",
124 cs->path, cs->line, vec[0]);
127 VALUE(cs->config, int) = n;
131 static int set_collections(const struct config_state *cs,
132 const struct conf *whoami,
133 int nvec, char **vec) {
134 struct collectionlist *cl;
135 const char *root, *encoding, *module;
154 error(0, "%s:%d: '%s' requires at least one argument",
155 cs->path, cs->line, whoami->name);
158 error(0, "%s:%d: '%s' requires at most three arguments",
159 cs->path, cs->line, whoami->name);
162 /* Sanity check root */
164 error(0, "%s:%d: collection root must start with '/'",
168 if(root[1] && root[strlen(root)-1] == '/') {
169 error(0, "%s:%d: collection root must not end with '/'",
177 encoding = nl_langinfo(CODESET);
178 cl = ADDRESS(cs->config, struct collectionlist);
180 cl->s = xrealloc(cl->s, cl->n * sizeof (struct collection));
181 cl->s[cl->n - 1].module = xstrdup(module);
182 cl->s[cl->n - 1].encoding = xstrdup(encoding);
183 cl->s[cl->n - 1].root = xstrdup(root);
187 static int set_boolean(const struct config_state *cs,
188 const struct conf *whoami,
189 int nvec, char **vec) {
193 error(0, "%s:%d: '%s' takes only one argument",
194 cs->path, cs->line, whoami->name);
197 if(!strcmp(vec[0], "yes")) state = 1;
198 else if(!strcmp(vec[0], "no")) state = 0;
200 error(0, "%s:%d: argument to '%s' must be 'yes' or 'no'",
201 cs->path, cs->line, whoami->name);
204 VALUE(cs->config, int) = state;
208 static int set_string(const struct config_state *cs,
209 const struct conf *whoami,
210 int nvec, char **vec) {
212 error(0, "%s:%d: '%s' takes only one argument",
213 cs->path, cs->line, whoami->name);
216 VALUE(cs->config, char *) = xstrdup(vec[0]);
220 static int set_stringlist(const struct config_state *cs,
221 const struct conf *whoami,
222 int nvec, char **vec) {
224 struct stringlist *sl;
226 sl = ADDRESS(cs->config, struct stringlist);
228 for(n = 0; n < nvec; ++n) {
230 sl->s = xrealloc(sl->s, (sl->n * sizeof (char *)));
231 sl->s[sl->n - 1] = xstrdup(vec[n]);
236 static int set_integer(const struct config_state *cs,
237 const struct conf *whoami,
238 int nvec, char **vec) {
242 error(0, "%s:%d: '%s' takes only one argument",
243 cs->path, cs->line, whoami->name);
246 if(xstrtol(ADDRESS(cs->config, long), vec[0], &e, 0)) {
247 error(errno, "%s:%d: converting integer", cs->path, cs->line);
251 error(0, "%s:%d: invalid integer syntax", cs->path, cs->line);
257 static int set_stringlist_accum(const struct config_state *cs,
258 const struct conf *whoami,
259 int nvec, char **vec) {
261 struct stringlist *s;
262 struct stringlistlist *sll;
264 sll = ADDRESS(cs->config, struct stringlistlist);
270 sll->s = xrealloc(sll->s, (sll->n * sizeof (struct stringlist)));
271 s = &sll->s[sll->n - 1];
273 s->s = xmalloc((nvec + 1) * sizeof (char *));
274 for(n = 0; n < nvec; ++n)
275 s->s[n] = xstrdup(vec[n]);
279 static int set_string_accum(const struct config_state *cs,
280 const struct conf *whoami,
281 int nvec, char **vec) {
283 struct stringlist *sl;
285 sl = ADDRESS(cs->config, struct stringlist);
290 for(n = 0; n < nvec; ++n) {
292 sl->s = xrealloc(sl->s, (sl->n * sizeof (char *)));
293 sl->s[sl->n - 1] = xstrdup(vec[n]);
298 static int set_restrict(const struct config_state *cs,
299 const struct conf *whoami,
300 int nvec, char **vec) {
304 static const struct restriction {
308 { "remove", RESTRICT_REMOVE },
309 { "scratch", RESTRICT_SCRATCH },
310 { "move", RESTRICT_MOVE },
313 for(n = 0; n < nvec; ++n) {
314 if((i = TABLE_FIND(restrictions, name, vec[n])) < 0) {
315 error(0, "%s:%d: invalid restriction '%s'",
316 cs->path, cs->line, vec[n]);
319 r |= restrictions[i].bit;
321 VALUE(cs->config, unsigned) = r;
325 static int parse_sample_format(const struct config_state *cs,
326 struct stream_header *format,
327 int nvec, char **vec) {
332 error(0, "%s:%d: wrong number of arguments", cs->path, cs->line);
335 if(xstrtol(&t, p, &p, 0)) {
336 error(errno, "%s:%d: converting bits-per-sample", cs->path, cs->line);
339 if(t != 8 && t != 16) {
340 error(0, "%s:%d: bad bite-per-sample (%ld)", cs->path, cs->line, t);
343 if(format) format->bits = t;
345 case 'l': case 'L': t = ENDIAN_LITTLE; p++; break;
346 case 'b': case 'B': t = ENDIAN_BIG; p++; break;
347 default: t = ENDIAN_NATIVE; break;
349 if(format) format->endian = t;
351 error(errno, "%s:%d: expected `/' after bits-per-sample",
356 if(xstrtol(&t, p, &p, 0)) {
357 error(errno, "%s:%d: converting sample-rate", cs->path, cs->line);
360 if(t < 1 || t > INT_MAX) {
361 error(0, "%s:%d: silly sample-rate (%ld)", cs->path, cs->line, t);
364 if(format) format->rate = t;
366 error(0, "%s:%d: expected `/' after sample-rate",
371 if(xstrtol(&t, p, &p, 0)) {
372 error(errno, "%s:%d: converting channels", cs->path, cs->line);
376 error(0, "%s:%d: silly number (%ld) of channels", cs->path, cs->line, t);
379 if(format) format->channels = t;
381 error(0, "%s:%d: junk after channels", cs->path, cs->line);
387 static int set_sample_format(const struct config_state *cs,
388 const struct conf *whoami,
389 int nvec, char **vec) {
390 return parse_sample_format(cs, ADDRESS(cs->config, struct stream_header),
394 static int set_namepart(const struct config_state *cs,
395 const struct conf *whoami,
396 int nvec, char **vec) {
397 struct namepartlist *npl = ADDRESS(cs->config, struct namepartlist);
404 error(0, "%s:%d: namepart needs at least 3 arguments", cs->path, cs->line);
408 error(0, "%s:%d: namepart needs at most 5 arguments", cs->path, cs->line);
411 reflags = nvec >= 5 ? regsub_flags(vec[4]) : 0;
412 if(!(re = pcre_compile(vec[1],
414 |regsub_compile_options(reflags),
415 &errstr, &erroffset, 0))) {
416 error(0, "%s:%d: error compiling regexp /%s/: %s (offset %d)",
417 cs->path, cs->line, vec[1], errstr, erroffset);
420 npl->s = xrealloc(npl->s, (npl->n + 1) * sizeof (struct namepart));
421 npl->s[npl->n].part = xstrdup(vec[0]);
422 npl->s[npl->n].re = re;
423 npl->s[npl->n].replace = xstrdup(vec[2]);
424 npl->s[npl->n].context = xstrdup(vec[3]);
425 npl->s[npl->n].reflags = reflags;
427 /* XXX a bit of a bodge; relies on there being very few parts. */
428 for(n = 0; (n < cs->config->nparts
429 && strcmp(cs->config->parts[n], vec[0])); ++n)
431 if(n >= cs->config->nparts) {
432 cs->config->parts = xrealloc(cs->config->parts,
433 (cs->config->nparts + 1) * sizeof (char *));
434 cs->config->parts[cs->config->nparts++] = xstrdup(vec[0]);
439 static int set_transform(const struct config_state *cs,
440 const struct conf *whoami,
441 int nvec, char **vec) {
442 struct transformlist *tl = ADDRESS(cs->config, struct transformlist);
449 error(0, "%s:%d: transform needs at least 3 arguments", cs->path, cs->line);
453 error(0, "%s:%d: transform needs at most 5 arguments", cs->path, cs->line);
456 reflags = (nvec >= 5 ? regsub_flags(vec[4]) : 0);
457 if(!(re = pcre_compile(vec[1],
459 |regsub_compile_options(reflags),
460 &errstr, &erroffset, 0))) {
461 error(0, "%s:%d: error compiling regexp /%s/: %s (offset %d)",
462 cs->path, cs->line, vec[1], errstr, erroffset);
465 tl->t = xrealloc(tl->t, (tl->n + 1) * sizeof (struct namepart));
466 tl->t[tl->n].type = xstrdup(vec[0]);
467 tl->t[tl->n].context = xstrdup(vec[3] ? vec[3] : "*");
468 tl->t[tl->n].re = re;
469 tl->t[tl->n].replace = xstrdup(vec[2]);
470 tl->t[tl->n].flags = reflags;
475 static int set_rights(const struct config_state *cs,
476 const struct conf *whoami,
477 int nvec, char **vec) {
479 error(0, "%s:%d: '%s' requires one argument",
480 cs->path, cs->line, whoami->name);
483 if(parse_rights(vec[0], 0, 1)) {
484 error(0, "%s:%d: invalid rights string '%s'",
485 cs->path, cs->line, vec[0]);
488 *ADDRESS(cs->config, char *) = vec[0];
494 static void free_none(struct config attribute((unused)) *c,
495 const struct conf attribute((unused)) *whoami) {
498 static void free_string(struct config *c,
499 const struct conf *whoami) {
500 xfree(VALUE(c, char *));
503 static void free_stringlist(struct config *c,
504 const struct conf *whoami) {
506 struct stringlist *sl = ADDRESS(c, struct stringlist);
508 for(n = 0; n < sl->n; ++n)
513 static void free_stringlistlist(struct config *c,
514 const struct conf *whoami) {
516 struct stringlistlist *sll = ADDRESS(c, struct stringlistlist);
517 struct stringlist *sl;
519 for(n = 0; n < sll->n; ++n) {
521 for(m = 0; m < sl->n; ++m)
528 static void free_collectionlist(struct config *c,
529 const struct conf *whoami) {
530 struct collectionlist *cll = ADDRESS(c, struct collectionlist);
531 struct collection *cl;
534 for(n = 0; n < cll->n; ++n) {
543 static void free_namepartlist(struct config *c,
544 const struct conf *whoami) {
545 struct namepartlist *npl = ADDRESS(c, struct namepartlist);
549 for(n = 0; n < npl->n; ++n) {
552 pcre_free(np->re); /* ...whatever pcre_free is set to. */
559 static void free_transformlist(struct config *c,
560 const struct conf *whoami) {
561 struct transformlist *tl = ADDRESS(c, struct transformlist);
565 for(n = 0; n < tl->n; ++n) {
568 pcre_free(t->re); /* ...whatever pcre_free is set to. */
575 /* configuration types */
577 static const struct conftype
578 type_signal = { set_signal, free_none },
579 type_collections = { set_collections, free_collectionlist },
580 type_boolean = { set_boolean, free_none },
581 type_string = { set_string, free_string },
582 type_stringlist = { set_stringlist, free_stringlist },
583 type_integer = { set_integer, free_none },
584 type_stringlist_accum = { set_stringlist_accum, free_stringlistlist },
585 type_string_accum = { set_string_accum, free_stringlist },
586 type_sample_format = { set_sample_format, free_none },
587 type_restrict = { set_restrict, free_none },
588 type_namepart = { set_namepart, free_namepartlist },
589 type_transform = { set_transform, free_transformlist },
590 type_rights = { set_rights, free_none };
592 /* specific validation routine */
594 #define VALIDATE_FILE(test, what) do { \
598 for(n = 0; n < nvec; ++n) { \
599 if(stat(vec[n], &sb) < 0) { \
600 error(errno, "%s:%d: %s", cs->path, cs->line, vec[n]); \
603 if(!test(sb.st_mode)) { \
604 error(0, "%s:%d: %s is not a %s", \
605 cs->path, cs->line, vec[n], what); \
611 static int validate_isabspath(const struct config_state *cs,
612 int nvec, char **vec) {
615 for(n = 0; n < nvec; ++n)
616 if(vec[n][0] != '/') {
617 error(errno, "%s:%d: %s: not an absolute path",
618 cs->path, cs->line, vec[n]);
624 static int validate_isdir(const struct config_state *cs,
625 int nvec, char **vec) {
626 VALIDATE_FILE(S_ISDIR, "directory");
630 static int validate_isreg(const struct config_state *cs,
631 int nvec, char **vec) {
632 VALIDATE_FILE(S_ISREG, "regular file");
636 static int validate_player(const struct config_state *cs,
638 char attribute((unused)) **vec) {
640 error(0, "%s:%d: should be at least 'player PATTERN MODULE'",
647 static int validate_tracklength(const struct config_state *cs,
649 char attribute((unused)) **vec) {
651 error(0, "%s:%d: should be at least 'tracklength PATTERN MODULE'",
658 static int validate_allow(const struct config_state *cs,
660 char attribute((unused)) **vec) {
662 error(0, "%s:%d: must be 'allow NAME PASS'", cs->path, cs->line);
668 static int validate_non_negative(const struct config_state *cs,
669 int nvec, char **vec) {
673 error(0, "%s:%d: missing argument", cs->path, cs->line);
677 error(0, "%s:%d: too many arguments", cs->path, cs->line);
680 if(xstrtol(&n, vec[0], 0, 0)) {
681 error(0, "%s:%d: %s", cs->path, cs->line, strerror(errno));
685 error(0, "%s:%d: must not be negative", cs->path, cs->line);
691 static int validate_positive(const struct config_state *cs,
692 int nvec, char **vec) {
696 error(0, "%s:%d: missing argument", cs->path, cs->line);
700 error(0, "%s:%d: too many arguments", cs->path, cs->line);
703 if(xstrtol(&n, vec[0], 0, 0)) {
704 error(0, "%s:%d: %s", cs->path, cs->line, strerror(errno));
708 error(0, "%s:%d: must be positive", cs->path, cs->line);
714 static int validate_isauser(const struct config_state *cs,
715 int attribute((unused)) nvec,
719 if(!(pw = getpwnam(vec[0]))) {
720 error(0, "%s:%d: no such user as '%s'", cs->path, cs->line, vec[0]);
726 static int validate_sample_format(const struct config_state *cs,
727 int attribute((unused)) nvec,
729 return parse_sample_format(cs, 0, nvec, vec);
732 static int validate_any(const struct config_state attribute((unused)) *cs,
733 int attribute((unused)) nvec,
734 char attribute((unused)) **vec) {
738 static int validate_url(const struct config_state attribute((unused)) *cs,
739 int attribute((unused)) nvec,
743 /* absoluteURI = scheme ":" ( hier_part | opaque_part )
744 scheme = alpha *( alpha | digit | "+" | "-" | "." ) */
746 n = strspn(s, ("abcdefghijklmnopqrstuvwxyz"
747 "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
750 error(0, "%s:%d: invalid url '%s'", cs->path, cs->line, vec[0]);
753 if(!strncmp(s, "http:", 5)
754 || !strncmp(s, "https:", 6)) {
756 /* we only do a rather cursory check */
757 if(strncmp(s, "//", 2)) {
758 error(0, "%s:%d: invalid url '%s'", cs->path, cs->line, vec[0]);
765 static int validate_alias(const struct config_state *cs,
769 int in_brackets = 0, c;
772 error(0, "%s:%d: missing argument", cs->path, cs->line);
776 error(0, "%s:%d: too many arguments", cs->path, cs->line);
780 while((c = (unsigned char)*s++)) {
784 else if(!isalnum(c)) {
785 error(0, "%s:%d: invalid part name in alias expansion in '%s'",
786 cs->path, cs->line, vec[0]);
794 } else if(c == '\\') {
795 if(!(c = (unsigned char)*s++)) {
796 error(0, "%s:%d: unterminated escape in alias expansion in '%s'",
797 cs->path, cs->line, vec[0]);
799 } else if(c != '\\' && c != '{') {
800 error(0, "%s:%d: invalid escape in alias expansion in '%s'",
801 cs->path, cs->line, vec[0]);
809 error(0, "%s:%d: unterminated part name in alias expansion in '%s'",
810 cs->path, cs->line, vec[0]);
816 static int validate_addrport(const struct config_state attribute((unused)) *cs,
818 char attribute((unused)) **vec) {
821 error(0, "%s:%d: missing address",
825 error(0, "%s:%d: missing port name/number",
831 error(0, "%s:%d: expected ADDRESS PORT",
837 static int validate_port(const struct config_state attribute((unused)) *cs,
839 char attribute((unused)) **vec) {
842 error(0, "%s:%d: missing address",
849 error(0, "%s:%d: expected [ADDRESS] PORT",
855 static int validate_algo(const struct config_state attribute((unused)) *cs,
859 error(0, "%s:%d: invalid algorithm specification", cs->path, cs->line);
862 if(!valid_authhash(vec[0])) {
863 error(0, "%s:%d: unsuported algorithm '%s'", cs->path, cs->line, vec[0]);
869 static int validate_backend(const struct config_state attribute((unused)) *cs,
874 error(0, "%s:%d: invalid sound API specification", cs->path, cs->line);
877 if(!strcmp(vec[0], "network")) {
878 error(0, "'api network' is deprecated; use 'api rtp'");
881 if(config_uaudio_apis) {
882 for(n = 0; config_uaudio_apis[n]; ++n)
883 if(!strcmp(vec[0], config_uaudio_apis[n]->name))
885 error(0, "%s:%d: unrecognized sound API '%s'", cs->path, cs->line, vec[0]);
888 /* In non-server processes we have no idea what's valid */
892 /** @brief Item name and and offset */
893 #define C(x) #x, offsetof(struct config, x)
894 /** @brief Item name and and offset */
895 #define C2(x,y) #x, offsetof(struct config, y)
897 /** @brief All configuration items */
898 static const struct conf conf[] = {
899 { C(alias), &type_string, validate_alias },
900 { C(allow), &type_stringlist_accum, validate_allow },
901 { C(api), &type_string, validate_backend },
902 { C(authorization_algorithm), &type_string, validate_algo },
903 { C(broadcast), &type_stringlist, validate_addrport },
904 { C(broadcast_from), &type_stringlist, validate_addrport },
905 { C(channel), &type_string, validate_any },
906 { C(checkpoint_kbyte), &type_integer, validate_non_negative },
907 { C(checkpoint_min), &type_integer, validate_non_negative },
908 { C(collection), &type_collections, validate_any },
909 { C(connect), &type_stringlist, validate_addrport },
910 { C(cookie_login_lifetime), &type_integer, validate_positive },
911 { C(cookie_key_lifetime), &type_integer, validate_positive },
912 { C(dbversion), &type_integer, validate_positive },
913 { C(default_rights), &type_rights, validate_any },
914 { C(device), &type_string, validate_any },
915 { C(gap), &type_integer, validate_non_negative },
916 { C(history), &type_integer, validate_positive },
917 { C(home), &type_string, validate_isabspath },
918 { C(listen), &type_stringlist, validate_port },
919 { C(lock), &type_boolean, validate_any },
920 { C(mail_sender), &type_string, validate_any },
921 { C(mixer), &type_string, validate_any },
922 { C(multicast_loop), &type_boolean, validate_any },
923 { C(multicast_ttl), &type_integer, validate_non_negative },
924 { C(namepart), &type_namepart, validate_any },
925 { C(new_bias), &type_integer, validate_positive },
926 { C(new_bias_age), &type_integer, validate_positive },
927 { C(new_max), &type_integer, validate_positive },
928 { C2(nice, nice_rescan), &type_integer, validate_non_negative },
929 { C(nice_rescan), &type_integer, validate_non_negative },
930 { C(nice_server), &type_integer, validate_any },
931 { C(nice_speaker), &type_integer, validate_any },
932 { C(noticed_history), &type_integer, validate_positive },
933 { C(password), &type_string, validate_any },
934 { C(player), &type_stringlist_accum, validate_player },
935 { C(plugins), &type_string_accum, validate_isdir },
936 { C(prefsync), &type_integer, validate_positive },
937 { C(queue_pad), &type_integer, validate_positive },
938 { C(replay_min), &type_integer, validate_non_negative },
939 { C(refresh), &type_integer, validate_positive },
940 { C(reminder_interval), &type_integer, validate_positive },
941 { C(remote_userman), &type_boolean, validate_any },
942 { C2(restrict, restrictions), &type_restrict, validate_any },
943 { C(sample_format), &type_sample_format, validate_sample_format },
944 { C(scratch), &type_string_accum, validate_isreg },
945 { C(sendmail), &type_string, validate_isabspath },
946 { C(short_display), &type_integer, validate_positive },
947 { C(signal), &type_signal, validate_any },
948 { C(smtp_server), &type_string, validate_any },
949 { C(sox_generation), &type_integer, validate_non_negative },
950 { C2(speaker_backend, api), &type_string, validate_backend },
951 { C(speaker_command), &type_string, validate_any },
952 { C(stopword), &type_string_accum, validate_any },
953 { C(templates), &type_string_accum, validate_isdir },
954 { C(tracklength), &type_stringlist_accum, validate_tracklength },
955 { C(transform), &type_transform, validate_any },
956 { C(trust), &type_string_accum, validate_any },
957 { C(url), &type_string, validate_url },
958 { C(user), &type_string, validate_isauser },
959 { C(username), &type_string, validate_any },
962 /** @brief Find a configuration item's definition by key */
963 static const struct conf *find(const char *key) {
966 if((n = TABLE_FIND(conf, name, key)) < 0)
971 /** @brief Set a new configuration value */
972 static int config_set(const struct config_state *cs,
973 int nvec, char **vec) {
974 const struct conf *which;
976 D(("config_set %s", vec[0]));
977 if(!(which = find(vec[0]))) {
978 error(0, "%s:%d: unknown configuration key '%s'",
979 cs->path, cs->line, vec[0]);
982 return (which->validate(cs, nvec - 1, vec + 1)
983 || which->type->set(cs, which, nvec - 1, vec + 1));
986 static int config_set_args(const struct config_state *cs,
987 const char *which, ...) {
993 vector_append(v, (char *)which);
995 while((s = va_arg(ap, char *)))
999 return config_set(cs, v->nvec, v->vec);
1002 /** @brief Error callback used by config_include() */
1003 static void config_error(const char *msg, void *u) {
1004 const struct config_state *cs = u;
1006 error(0, "%s:%d: %s", cs->path, cs->line, msg);
1009 /** @brief Include a file by name */
1010 static int config_include(struct config *c, const char *path) {
1012 char *buffer, *inputbuffer, **vec;
1014 struct config_state cs;
1019 D(("%s: reading configuration", path));
1020 if(!(fp = fopen(path, "r"))) {
1021 error(errno, "error opening %s", path);
1024 while(!inputline(path, fp, &inputbuffer, '\n')) {
1026 if(!(buffer = mb2utf8(inputbuffer))) {
1027 error(errno, "%s:%d: cannot convert to UTF-8", cs.path, cs.line);
1033 if(!(vec = split(buffer, &n, SPLIT_COMMENTS|SPLIT_QUOTES,
1034 config_error, &cs))) {
1040 if(!strcmp(vec[0], "include")) {
1042 error(0, "%s:%d: must be 'include PATH'", cs.path, cs.line);
1045 config_include(c, vec[1]);
1047 ret |= config_set(&cs, n, vec);
1049 for(n = 0; vec[n]; ++n) xfree(vec[n]);
1054 error(errno, "error reading %s", path);
1061 static const char *const default_stopwords[] = {
1120 #define NDEFAULT_STOPWORDS (sizeof default_stopwords / sizeof *default_stopwords)
1122 static const char *const default_players[] = {
1128 #define NDEFAULT_PLAYERS (sizeof default_players / sizeof *default_players)
1130 /** @brief Make a new default configuration */
1131 static struct config *config_default(void) {
1132 struct config *c = xmalloc(sizeof *c);
1133 const char *logname;
1135 struct config_state cs;
1138 cs.path = "<internal>";
1141 /* Strings had better be xstrdup'd as they will get freed at some point. */
1144 c->home = xstrdup(pkgstatedir);
1145 if(!(pw = getpwuid(getuid())))
1146 fatal(0, "cannot determine our username");
1147 logname = pw->pw_name;
1148 c->username = xstrdup(logname);
1151 c->signal = SIGKILL;
1152 c->alias = xstrdup("{/artist}{/album}{/title}{ext}");
1154 c->device = xstrdup("default");
1155 c->nice_rescan = 10;
1156 c->speaker_command = 0;
1157 c->sample_format.bits = 16;
1158 c->sample_format.rate = 44100;
1159 c->sample_format.channels = 2;
1160 c->sample_format.endian = ENDIAN_NATIVE;
1162 c->replay_min = 8 * 3600;
1164 c->multicast_ttl = 1;
1165 c->multicast_loop = 1;
1166 c->authorization_algorithm = xstrdup("sha1");
1167 c->noticed_history = 31;
1168 c->short_display = 32;
1172 c->cookie_login_lifetime = 86400;
1173 c->cookie_key_lifetime = 86400 * 7;
1174 if(sendmail_binary[0] && strcmp(sendmail_binary, "none"))
1175 c->sendmail = xstrdup(sendmail_binary);
1176 c->smtp_server = xstrdup("127.0.0.1");
1178 c->reminder_interval = 600; /* 10m */
1179 c->new_bias_age = 7 * 86400; /* 1 week */
1180 c->new_bias = 4500000; /* 50 times the base weight */
1181 c->sox_generation = DEFAULT_SOX_GENERATION;
1182 /* Default stopwords */
1183 if(config_set(&cs, (int)NDEFAULT_STOPWORDS, (char **)default_stopwords))
1185 /* Default player configuration */
1186 for(n = 0; n < NDEFAULT_PLAYERS; ++n) {
1187 if(config_set_args(&cs, "player",
1188 default_players[n], "execraw", "disorder-decode", (char *)0))
1190 if(config_set_args(&cs, "tracklength",
1191 default_players[n], "disorder-tracklength", (char *)0))
1197 char *config_get_file2(struct config *c, const char *name) {
1200 byte_xasprintf(&s, "%s/%s", c->home, name);
1204 /** @brief Set the default configuration file */
1205 static void set_configfile(void) {
1207 byte_xasprintf(&configfile, "%s/config", pkgconfdir);
1210 /** @brief Free a configuration object */
1211 static void config_free(struct config *c) {
1215 for(n = 0; n < (int)(sizeof conf / sizeof *conf); ++n)
1216 conf[n].type->free(c, &conf[n]);
1217 for(n = 0; n < c->nparts; ++n)
1224 /** @brief Set post-parse defaults */
1225 static void config_postdefaults(struct config *c,
1227 struct config_state cs;
1228 const struct conf *whoami;
1231 static const char *namepart[][4] = {
1232 { "title", "/([0-9]+ *[-:]? *)?([^/]+)\\.[a-zA-Z0-9]+$", "$2", "display" },
1233 { "title", "/([^/]+)\\.[a-zA-Z0-9]+$", "$1", "sort" },
1234 { "album", "/([^/]+)/[^/]+$", "$1", "*" },
1235 { "artist", "/([^/]+)/[^/]+/[^/]+$", "$1", "*" },
1236 { "ext", "(\\.[a-zA-Z0-9]+)$", "$1", "*" },
1238 #define NNAMEPART (int)(sizeof namepart / sizeof *namepart)
1240 static const char *transform[][5] = {
1241 { "track", "^.*/([0-9]+ *[-:]? *)?([^/]+)\\.[a-zA-Z0-9]+$", "$2", "display", "" },
1242 { "track", "^.*/([^/]+)\\.[a-zA-Z0-9]+$", "$1", "sort", "" },
1243 { "dir", "^.*/([^/]+)$", "$1", "*", "" },
1244 { "dir", "^(the) ([^/]*)", "$2, $1", "sort", "i", },
1245 { "dir", "[[:punct:]]", "", "sort", "g", }
1247 #define NTRANSFORM (int)(sizeof transform / sizeof *transform)
1249 cs.path = "<internal>";
1252 if(!c->namepart.n) {
1253 whoami = find("namepart");
1254 for(n = 0; n < NNAMEPART; ++n)
1255 set_namepart(&cs, whoami, 4, (char **)namepart[n]);
1257 if(!c->transform.n) {
1258 whoami = find("transform");
1259 for(n = 0; n < NTRANSFORM; ++n)
1260 set_transform(&cs, whoami, 5, (char **)transform[n]);
1263 if(c->speaker_command)
1264 c->api = xstrdup("command");
1265 else if(c->broadcast.n)
1266 c->api = xstrdup("rtp");
1267 else if(config_uaudio_apis)
1268 c->api = xstrdup(config_uaudio_apis[0]->name);
1270 c->api = xstrdup("<none>");
1272 if(!strcmp(c->api, "network"))
1273 c->api = xstrdup("rtp");
1275 if(!strcmp(c->api, "command") && !c->speaker_command)
1276 fatal(0, "'api command' but speaker_command is not set");
1277 if((!strcmp(c->api, "rtp")) && !c->broadcast.n)
1278 fatal(0, "'api rtp' but broadcast is not set");
1280 /* Override sample format */
1281 if(!strcmp(c->api, "rtp")) {
1282 c->sample_format.rate = 44100;
1283 c->sample_format.channels = 2;
1284 c->sample_format.bits = 16;
1285 c->sample_format.endian = ENDIAN_NATIVE;
1287 if(!strcmp(c->api, "coreaudio")) {
1288 c->sample_format.rate = 44100;
1289 c->sample_format.channels = 2;
1290 c->sample_format.bits = 16;
1291 c->sample_format.endian = ENDIAN_NATIVE;
1293 if(!c->default_rights) {
1294 rights_type r = RIGHTS__MASK & ~(RIGHT_ADMIN|RIGHT_REGISTER
1296 |RIGHT_SCRATCH__MASK
1297 |RIGHT_REMOVE__MASK);
1298 /* The idea is to approximate the meaning of the old 'restrict' directive
1299 * in the default rights if they are not overridden. */
1300 if(c->restrictions & RESTRICT_SCRATCH)
1301 r |= RIGHT_SCRATCH_MINE|RIGHT_SCRATCH_RANDOM;
1303 r |= RIGHT_SCRATCH_ANY;
1304 if(!(c->restrictions & RESTRICT_MOVE))
1305 r |= RIGHT_MOVE_ANY;
1306 if(c->restrictions & RESTRICT_REMOVE)
1307 r |= RIGHT_REMOVE_MINE;
1309 r |= RIGHT_REMOVE_ANY;
1310 c->default_rights = rights_string(r);
1314 /** @brief (Re-)read the config file
1315 * @param server If set, do extra checking
1317 int config_read(int server) {
1323 c = config_default();
1324 /* standalone Disobedience installs might not have a global config file */
1325 if(access(configfile, F_OK) == 0)
1326 if(config_include(c, configfile))
1328 /* if we can read the private config file, do */
1329 if((privconf = config_private())
1330 && access(privconf, R_OK) == 0
1331 && config_include(c, privconf))
1334 /* if there's a per-user system config file for this user, read it */
1335 if(config_per_user) {
1336 if(!(pw = getpwuid(getuid())))
1337 fatal(0, "cannot determine our username");
1338 if((privconf = config_usersysconf(pw))
1339 && access(privconf, F_OK) == 0
1340 && config_include(c, privconf))
1343 /* if we have a password file, read it */
1344 if((privconf = config_userconf(0, pw))
1345 && access(privconf, F_OK) == 0
1346 && config_include(c, privconf))
1350 /* install default namepart and transform settings */
1351 config_postdefaults(c, server);
1352 /* everything is good so we shall use the new config */
1353 config_free(config);
1354 /* warn about obsolete directives */
1356 error(0, "'restrict' will be removed in a future version");
1358 error(0, "'allow' will be removed in a future version");
1360 error(0, "'trust' will be removed in a future version");
1365 /** @brief Return the path to the private configuration file */
1366 char *config_private(void) {
1370 byte_xasprintf(&s, "%s.private", configfile);
1374 /** @brief Return the path to user's personal configuration file */
1375 char *config_userconf(const char *home, const struct passwd *pw) {
1378 if(!home && !pw && !(pw = getpwuid(getuid())))
1379 fatal(0, "cannot determine our username");
1380 byte_xasprintf(&s, "%s/.disorder/passwd", home ? home : pw->pw_dir);
1384 /** @brief Return the path to user-specific system configuration */
1385 char *config_usersysconf(const struct passwd *pw) {
1389 if(!strchr(pw->pw_name, '/')) {
1390 byte_xasprintf(&s, "%s.%s", configfile, pw->pw_name);
1396 char *config_get_file(const char *name) {
1397 return config_get_file2(config, name);