2 * This file is part of DisOrder.
3 * Copyright (C) 2004, 2005, 2006, 2007 Richard Kettlewell
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
28 #include <sys/types.h>
38 #include "configuration.h"
44 #include "inputline.h"
52 /** @brief Path to config file
54 * set_configfile() sets the deafult if it is null.
58 /** @brief Config file parser state */
60 /** @brief Filename */
62 /** @brief Line number */
64 /** @brief Configuration object under construction */
65 struct config
*config
;
68 /** @brief Current configuration */
69 struct config
*config
;
71 /** @brief One configuration item */
73 /** @brief Name as it appears in the config file */
75 /** @brief Offset in @ref config structure */
77 /** @brief Pointer to item type */
78 const struct conftype
*type
;
79 /** @brief Pointer to item-specific validation routine */
80 int (*validate
)(const struct config_state
*cs
,
81 int nvec
, char **vec
);
84 /** @brief Type of a configuration item */
86 /** @brief Pointer to function to set item */
87 int (*set
)(const struct config_state
*cs
,
88 const struct conf
*whoami
,
89 int nvec
, char **vec
);
90 /** @brief Pointer to function to free item */
91 void (*free
)(struct config
*c
, const struct conf
*whoami
);
94 /** @brief Compute the address of an item */
95 #define ADDRESS(C, TYPE) ((TYPE *)((char *)(C) + whoami->offset))
96 /** @brief Return the value of an item */
97 #define VALUE(C, TYPE) (*ADDRESS(C, TYPE))
99 static int set_signal(const struct config_state
*cs
,
100 const struct conf
*whoami
,
101 int nvec
, char **vec
) {
105 error(0, "%s:%d: '%s' requires one argument",
106 cs
->path
, cs
->line
, whoami
->name
);
109 if((n
= find_signal(vec
[0])) == -1) {
110 error(0, "%s:%d: unknown signal '%s'",
111 cs
->path
, cs
->line
, vec
[0]);
114 VALUE(cs
->config
, int) = n
;
118 static int set_collections(const struct config_state
*cs
,
119 const struct conf
*whoami
,
120 int nvec
, char **vec
) {
121 struct collectionlist
*cl
;
124 error(0, "%s:%d: '%s' requires three arguments",
125 cs
->path
, cs
->line
, whoami
->name
);
128 if(vec
[2][0] != '/') {
129 error(0, "%s:%d: collection root must start with '/'",
133 if(vec
[2][1] && vec
[2][strlen(vec
[2])-1] == '/') {
134 error(0, "%s:%d: collection root must not end with '/'",
138 cl
= ADDRESS(cs
->config
, struct collectionlist
);
140 cl
->s
= xrealloc(cl
->s
, cl
->n
* sizeof (struct collection
));
141 cl
->s
[cl
->n
- 1].module
= xstrdup(vec
[0]);
142 cl
->s
[cl
->n
- 1].encoding
= xstrdup(vec
[1]);
143 cl
->s
[cl
->n
- 1].root
= xstrdup(vec
[2]);
147 static int set_boolean(const struct config_state
*cs
,
148 const struct conf
*whoami
,
149 int nvec
, char **vec
) {
153 error(0, "%s:%d: '%s' takes only one argument",
154 cs
->path
, cs
->line
, whoami
->name
);
157 if(!strcmp(vec
[0], "yes")) state
= 1;
158 else if(!strcmp(vec
[0], "no")) state
= 0;
160 error(0, "%s:%d: argument to '%s' must be 'yes' or 'no'",
161 cs
->path
, cs
->line
, whoami
->name
);
164 VALUE(cs
->config
, int) = state
;
168 static int set_string(const struct config_state
*cs
,
169 const struct conf
*whoami
,
170 int nvec
, char **vec
) {
172 error(0, "%s:%d: '%s' takes only one argument",
173 cs
->path
, cs
->line
, whoami
->name
);
176 VALUE(cs
->config
, char *) = xstrdup(vec
[0]);
180 static int set_stringlist(const struct config_state
*cs
,
181 const struct conf
*whoami
,
182 int nvec
, char **vec
) {
184 struct stringlist
*sl
;
186 sl
= ADDRESS(cs
->config
, struct stringlist
);
188 for(n
= 0; n
< nvec
; ++n
) {
190 sl
->s
= xrealloc(sl
->s
, (sl
->n
* sizeof (char *)));
191 sl
->s
[sl
->n
- 1] = xstrdup(vec
[n
]);
196 static int set_integer(const struct config_state
*cs
,
197 const struct conf
*whoami
,
198 int nvec
, char **vec
) {
202 error(0, "%s:%d: '%s' takes only one argument",
203 cs
->path
, cs
->line
, whoami
->name
);
206 if(xstrtol(ADDRESS(cs
->config
, long), vec
[0], &e
, 0)) {
207 error(errno
, "%s:%d: converting integer", cs
->path
, cs
->line
);
211 error(0, "%s:%d: invalid integer syntax", cs
->path
, cs
->line
);
217 static int set_stringlist_accum(const struct config_state
*cs
,
218 const struct conf
*whoami
,
219 int nvec
, char **vec
) {
221 struct stringlist
*s
;
222 struct stringlistlist
*sll
;
224 sll
= ADDRESS(cs
->config
, struct stringlistlist
);
226 sll
->s
= xrealloc(sll
->s
, (sll
->n
* sizeof (struct stringlist
)));
227 s
= &sll
->s
[sll
->n
- 1];
229 s
->s
= xmalloc((nvec
+ 1) * sizeof (char *));
230 for(n
= 0; n
< nvec
; ++n
)
231 s
->s
[n
] = xstrdup(vec
[n
]);
235 static int set_string_accum(const struct config_state
*cs
,
236 const struct conf
*whoami
,
237 int nvec
, char **vec
) {
239 struct stringlist
*sl
;
241 sl
= ADDRESS(cs
->config
, struct stringlist
);
242 for(n
= 0; n
< nvec
; ++n
) {
244 sl
->s
= xrealloc(sl
->s
, (sl
->n
* sizeof (char *)));
245 sl
->s
[sl
->n
- 1] = xstrdup(vec
[n
]);
250 static int set_restrict(const struct config_state
*cs
,
251 const struct conf
*whoami
,
252 int nvec
, char **vec
) {
256 static const struct restriction
{
260 { "remove", RESTRICT_REMOVE
},
261 { "scratch", RESTRICT_SCRATCH
},
262 { "move", RESTRICT_MOVE
},
265 for(n
= 0; n
< nvec
; ++n
) {
266 if((i
= TABLE_FIND(restrictions
, struct restriction
, name
, vec
[n
])) < 0) {
267 error(0, "%s:%d: invalid restriction '%s'",
268 cs
->path
, cs
->line
, vec
[n
]);
271 r
|= restrictions
[i
].bit
;
273 VALUE(cs
->config
, unsigned) = r
;
277 static int parse_sample_format(const struct config_state
*cs
,
278 ao_sample_format
*ao
,
279 int nvec
, char **vec
) {
284 error(0, "%s:%d: wrong number of arguments", cs
->path
, cs
->line
);
287 if (xstrtol(&t
, p
, &p
, 0)) {
288 error(errno
, "%s:%d: converting bits-per-sample", cs
->path
, cs
->line
);
291 if (t
!= 8 && t
!= 16) {
292 error(0, "%s:%d: bad bite-per-sample (%ld)", cs
->path
, cs
->line
, t
);
295 if (ao
) ao
->bits
= t
;
297 case 'l': case 'L': t
= AO_FMT_LITTLE
; p
++; break;
298 case 'b': case 'B': t
= AO_FMT_BIG
; p
++; break;
299 default: t
= AO_FMT_NATIVE
; break;
301 if (ao
) ao
->byte_format
= t
;
303 error(errno
, "%s:%d: expected `/' after bits-per-sample",
308 if (xstrtol(&t
, p
, &p
, 0)) {
309 error(errno
, "%s:%d: converting sample-rate", cs
->path
, cs
->line
);
312 if (t
< 1 || t
> INT_MAX
) {
313 error(0, "%s:%d: silly sample-rate (%ld)", cs
->path
, cs
->line
, t
);
316 if (ao
) ao
->rate
= t
;
318 error(0, "%s:%d: expected `/' after sample-rate",
323 if (xstrtol(&t
, p
, &p
, 0)) {
324 error(errno
, "%s:%d: converting channels", cs
->path
, cs
->line
);
327 if (t
< 1 || t
> 8) {
328 error(0, "%s:%d: silly number (%ld) of channels", cs
->path
, cs
->line
, t
);
331 if (ao
) ao
->channels
= t
;
333 error(0, "%s:%d: junk after channels", cs
->path
, cs
->line
);
339 static int set_sample_format(const struct config_state
*cs
,
340 const struct conf
*whoami
,
341 int nvec
, char **vec
) {
342 return parse_sample_format(cs
, ADDRESS(cs
->config
, ao_sample_format
),
346 static int set_namepart(const struct config_state
*cs
,
347 const struct conf
*whoami
,
348 int nvec
, char **vec
) {
349 struct namepartlist
*npl
= ADDRESS(cs
->config
, struct namepartlist
);
356 error(0, "%s:%d: namepart needs at least 3 arguments", cs
->path
, cs
->line
);
360 error(0, "%s:%d: namepart needs at most 5 arguments", cs
->path
, cs
->line
);
363 reflags
= nvec
>= 5 ?
regsub_flags(vec
[4]) : 0;
364 if(!(re
= pcre_compile(vec
[1],
366 |regsub_compile_options(reflags
),
367 &errstr
, &erroffset
, 0))) {
368 error(0, "%s:%d: error compiling regexp /%s/: %s (offset %d)",
369 cs
->path
, cs
->line
, vec
[1], errstr
, erroffset
);
372 npl
->s
= xrealloc(npl
->s
, (npl
->n
+ 1) * sizeof (struct namepart
));
373 npl
->s
[npl
->n
].part
= xstrdup(vec
[0]);
374 npl
->s
[npl
->n
].re
= re
;
375 npl
->s
[npl
->n
].replace
= xstrdup(vec
[2]);
376 npl
->s
[npl
->n
].context
= xstrdup(vec
[3]);
377 npl
->s
[npl
->n
].reflags
= reflags
;
379 /* XXX a bit of a bodge; relies on there being very few parts. */
380 for(n
= 0; (n
< cs
->config
->nparts
381 && strcmp(cs
->config
->parts
[n
], vec
[0])); ++n
)
383 if(n
>= cs
->config
->nparts
) {
384 cs
->config
->parts
= xrealloc(cs
->config
->parts
,
385 (cs
->config
->nparts
+ 1) * sizeof (char *));
386 cs
->config
->parts
[cs
->config
->nparts
++] = xstrdup(vec
[0]);
391 static int set_transform(const struct config_state
*cs
,
392 const struct conf
*whoami
,
393 int nvec
, char **vec
) {
394 struct transformlist
*tl
= ADDRESS(cs
->config
, struct transformlist
);
401 error(0, "%s:%d: transform needs at least 3 arguments", cs
->path
, cs
->line
);
405 error(0, "%s:%d: transform needs at most 5 arguments", cs
->path
, cs
->line
);
408 reflags
= (nvec
>= 5 ?
regsub_flags(vec
[4]) : 0);
409 if(!(re
= pcre_compile(vec
[1],
411 |regsub_compile_options(reflags
),
412 &errstr
, &erroffset
, 0))) {
413 error(0, "%s:%d: error compiling regexp /%s/: %s (offset %d)",
414 cs
->path
, cs
->line
, vec
[1], errstr
, erroffset
);
417 tl
->t
= xrealloc(tl
->t
, (tl
->n
+ 1) * sizeof (struct namepart
));
418 tl
->t
[tl
->n
].type
= xstrdup(vec
[0]);
419 tl
->t
[tl
->n
].context
= xstrdup(vec
[3] ? vec
[3] : "*");
420 tl
->t
[tl
->n
].re
= re
;
421 tl
->t
[tl
->n
].replace
= xstrdup(vec
[2]);
422 tl
->t
[tl
->n
].flags
= reflags
;
427 static int set_backend(const struct config_state
*cs
,
428 const struct conf
*whoami
,
429 int nvec
, char **vec
) {
430 int *const valuep
= ADDRESS(cs
->config
, int);
433 error(0, "%s:%d: '%s' requires one argument",
434 cs
->path
, cs
->line
, whoami
->name
);
437 if(!strcmp(vec
[0], "alsa")) {
439 *valuep
= BACKEND_ALSA
;
441 error(0, "%s:%d: ALSA is not available on this platform",
445 } else if(!strcmp(vec
[0], "command"))
446 *valuep
= BACKEND_COMMAND
;
447 else if(!strcmp(vec
[0], "network"))
448 *valuep
= BACKEND_NETWORK
;
450 error(0, "%s:%d: invalid '%s' value '%s'",
451 cs
->path
, cs
->line
, whoami
->name
, vec
[0]);
459 static void free_none(struct config
attribute((unused
)) *c
,
460 const struct conf
attribute((unused
)) *whoami
) {
463 static void free_string(struct config
*c
,
464 const struct conf
*whoami
) {
465 xfree(VALUE(c
, char *));
468 static void free_stringlist(struct config
*c
,
469 const struct conf
*whoami
) {
471 struct stringlist
*sl
= ADDRESS(c
, struct stringlist
);
473 for(n
= 0; n
< sl
->n
; ++n
)
478 static void free_stringlistlist(struct config
*c
,
479 const struct conf
*whoami
) {
481 struct stringlistlist
*sll
= ADDRESS(c
, struct stringlistlist
);
482 struct stringlist
*sl
;
484 for(n
= 0; n
< sll
->n
; ++n
) {
486 for(m
= 0; m
< sl
->n
; ++m
)
493 static void free_collectionlist(struct config
*c
,
494 const struct conf
*whoami
) {
495 struct collectionlist
*cll
= ADDRESS(c
, struct collectionlist
);
496 struct collection
*cl
;
499 for(n
= 0; n
< cll
->n
; ++n
) {
508 static void free_namepartlist(struct config
*c
,
509 const struct conf
*whoami
) {
510 struct namepartlist
*npl
= ADDRESS(c
, struct namepartlist
);
514 for(n
= 0; n
< npl
->n
; ++n
) {
517 pcre_free(np
->re
); /* ...whatever pcre_free is set to. */
524 static void free_transformlist(struct config
*c
,
525 const struct conf
*whoami
) {
526 struct transformlist
*tl
= ADDRESS(c
, struct transformlist
);
530 for(n
= 0; n
< tl
->n
; ++n
) {
533 pcre_free(t
->re
); /* ...whatever pcre_free is set to. */
540 /* configuration types */
542 static const struct conftype
543 type_signal
= { set_signal
, free_none
},
544 type_collections
= { set_collections
, free_collectionlist
},
545 type_boolean
= { set_boolean
, free_none
},
546 type_string
= { set_string
, free_string
},
547 type_stringlist
= { set_stringlist
, free_stringlist
},
548 type_integer
= { set_integer
, free_none
},
549 type_stringlist_accum
= { set_stringlist_accum
, free_stringlistlist
},
550 type_string_accum
= { set_string_accum
, free_stringlist
},
551 type_sample_format
= { set_sample_format
, free_none
},
552 type_restrict
= { set_restrict
, free_none
},
553 type_namepart
= { set_namepart
, free_namepartlist
},
554 type_transform
= { set_transform
, free_transformlist
},
555 type_backend
= { set_backend
, free_none
};
557 /* specific validation routine */
559 #define VALIDATE_FILE(test, what) do { \
563 for(n = 0; n < nvec; ++n) { \
564 if(stat(vec[n], &sb) < 0) { \
565 error(errno, "%s:%d: %s", cs->path, cs->line, vec[n]); \
568 if(!test(sb.st_mode)) { \
569 error(0, "%s:%d: %s is not a %s", \
570 cs->path, cs->line, vec[n], what); \
576 static int validate_isdir(const struct config_state
*cs
,
577 int nvec
, char **vec
) {
578 VALIDATE_FILE(S_ISDIR
, "directory");
582 static int validate_isreg(const struct config_state
*cs
,
583 int nvec
, char **vec
) {
584 VALIDATE_FILE(S_ISREG
, "regular file");
588 static int validate_ischr(const struct config_state
*cs
,
589 int nvec
, char **vec
) {
590 VALIDATE_FILE(S_ISCHR
, "character device");
594 static int validate_player(const struct config_state
*cs
,
596 char attribute((unused
)) **vec
) {
598 error(0, "%s:%d: should be at least 'player PATTERN MODULE'",
605 static int validate_allow(const struct config_state
*cs
,
607 char attribute((unused
)) **vec
) {
609 error(0, "%s:%d: must be 'allow NAME PASS'", cs
->path
, cs
->line
);
615 static int validate_non_negative(const struct config_state
*cs
,
616 int nvec
, char **vec
) {
620 error(0, "%s:%d: missing argument", cs
->path
, cs
->line
);
624 error(0, "%s:%d: too many arguments", cs
->path
, cs
->line
);
627 if(xstrtol(&n
, vec
[0], 0, 0)) {
628 error(0, "%s:%d: %s", cs
->path
, cs
->line
, strerror(errno
));
632 error(0, "%s:%d: must not be negative", cs
->path
, cs
->line
);
638 static int validate_positive(const struct config_state
*cs
,
639 int nvec
, char **vec
) {
643 error(0, "%s:%d: missing argument", cs
->path
, cs
->line
);
647 error(0, "%s:%d: too many arguments", cs
->path
, cs
->line
);
650 if(xstrtol(&n
, vec
[0], 0, 0)) {
651 error(0, "%s:%d: %s", cs
->path
, cs
->line
, strerror(errno
));
655 error(0, "%s:%d: must be positive", cs
->path
, cs
->line
);
661 static int validate_isauser(const struct config_state
*cs
,
662 int attribute((unused
)) nvec
,
666 if(!(pw
= getpwnam(vec
[0]))) {
667 error(0, "%s:%d: no such user as '%s'", cs
->path
, cs
->line
, vec
[0]);
673 static int validate_sample_format(const struct config_state
*cs
,
674 int attribute((unused
)) nvec
,
676 return parse_sample_format(cs
, 0, nvec
, vec
);
679 static int validate_channel(const struct config_state
*cs
,
680 int attribute((unused
)) nvec
,
682 if(mixer_channel(vec
[0]) == -1) {
683 error(0, "%s:%d: invalid channel '%s'", cs
->path
, cs
->line
, vec
[0]);
689 static int validate_any(const struct config_state
attribute((unused
)) *cs
,
690 int attribute((unused
)) nvec
,
691 char attribute((unused
)) **vec
) {
695 static int validate_url(const struct config_state
attribute((unused
)) *cs
,
696 int attribute((unused
)) nvec
,
700 /* absoluteURI = scheme ":" ( hier_part | opaque_part )
701 scheme = alpha *( alpha | digit | "+" | "-" | "." ) */
703 n
= strspn(s
, ("abcdefghijklmnopqrstuvwxyz"
704 "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
707 error(0, "%s:%d: invalid url '%s'", cs
->path
, cs
->line
, vec
[0]);
710 if(!strncmp(s
, "http:", 5)
711 || !strncmp(s
, "https:", 6)) {
713 /* we only do a rather cursory check */
714 if(strncmp(s
, "//", 2)) {
715 error(0, "%s:%d: invalid url '%s'", cs
->path
, cs
->line
, vec
[0]);
722 static int validate_alias(const struct config_state
*cs
,
726 int in_brackets
= 0, c
;
729 error(0, "%s:%d: missing argument", cs
->path
, cs
->line
);
733 error(0, "%s:%d: too many arguments", cs
->path
, cs
->line
);
737 while((c
= (unsigned char)*s
++)) {
741 else if(!isalnum(c
)) {
742 error(0, "%s:%d: invalid part name in alias expansion in '%s'",
743 cs
->path
, cs
->line
, vec
[0]);
751 } else if(c
== '\\') {
752 if(!(c
= (unsigned char)*s
++)) {
753 error(0, "%s:%d: unterminated escape in alias expansion in '%s'",
754 cs
->path
, cs
->line
, vec
[0]);
756 } else if(c
!= '\\' && c
!= '{') {
757 error(0, "%s:%d: invalid escape in alias expansion in '%s'",
758 cs
->path
, cs
->line
, vec
[0]);
766 error(0, "%s:%d: unterminated part name in alias expansion in '%s'",
767 cs
->path
, cs
->line
, vec
[0]);
773 static int validate_addrport(const struct config_state
attribute((unused
)) *cs
,
775 char attribute((unused
)) **vec
) {
778 error(0, "%s:%d: missing address",
782 error(0, "%s:%d: missing port name/number",
788 error(0, "%s:%d: expected ADDRESS PORT",
794 static int validate_address(const struct config_state
attribute((unused
)) *cs
,
796 char attribute((unused
)) **vec
) {
799 error(0, "%s:%d: missing address",
806 error(0, "%s:%d: expected ADDRESS PORT",
812 /** @brief Item name and and offset */
813 #define C(x) #x, offsetof(struct config, x)
814 /** @brief Item name and and offset */
815 #define C2(x,y) #x, offsetof(struct config, y)
817 /** @brief All configuration items */
818 static const struct conf conf
[] = {
819 { C(alias
), &type_string
, validate_alias
},
820 { C(allow
), &type_stringlist_accum
, validate_allow
},
821 { C(broadcast
), &type_stringlist
, validate_addrport
},
822 { C(broadcast_from
), &type_stringlist
, validate_address
},
823 { C(channel
), &type_string
, validate_channel
},
824 { C(checkpoint_kbyte
), &type_integer
, validate_non_negative
},
825 { C(checkpoint_min
), &type_integer
, validate_non_negative
},
826 { C(collection
), &type_collections
, validate_any
},
827 { C(connect
), &type_stringlist
, validate_addrport
},
828 { C(device
), &type_string
, validate_any
},
829 { C(gap
), &type_integer
, validate_non_negative
},
830 { C(history
), &type_integer
, validate_positive
},
831 { C(home
), &type_string
, validate_isdir
},
832 { C(listen
), &type_stringlist
, validate_addrport
},
833 { C(lock
), &type_boolean
, validate_any
},
834 { C(mixer
), &type_string
, validate_ischr
},
835 { C(namepart
), &type_namepart
, validate_any
},
836 { C2(nice
, nice_rescan
), &type_integer
, validate_non_negative
},
837 { C(nice_rescan
), &type_integer
, validate_non_negative
},
838 { C(nice_server
), &type_integer
, validate_any
},
839 { C(nice_speaker
), &type_integer
, validate_any
},
840 { C(password
), &type_string
, validate_any
},
841 { C(player
), &type_stringlist_accum
, validate_player
},
842 { C(plugins
), &type_string_accum
, validate_isdir
},
843 { C(prefsync
), &type_integer
, validate_positive
},
844 { C(queue_pad
), &type_integer
, validate_positive
},
845 { C(refresh
), &type_integer
, validate_positive
},
846 { C2(restrict
, restrictions
), &type_restrict
, validate_any
},
847 { C(sample_format
), &type_sample_format
, validate_sample_format
},
848 { C(scratch
), &type_string_accum
, validate_isreg
},
849 { C(signal
), &type_signal
, validate_any
},
850 { C(sox_generation
), &type_integer
, validate_non_negative
},
851 { C(speaker_backend
), &type_backend
, validate_any
},
852 { C(speaker_command
), &type_string
, validate_any
},
853 { C(stopword
), &type_string_accum
, validate_any
},
854 { C(templates
), &type_string_accum
, validate_isdir
},
855 { C(transform
), &type_transform
, validate_any
},
856 { C(trust
), &type_string_accum
, validate_any
},
857 { C(url
), &type_string
, validate_url
},
858 { C(user
), &type_string
, validate_isauser
},
859 { C(username
), &type_string
, validate_any
},
862 /** @brief Find a configuration item's definition by key */
863 static const struct conf
*find(const char *key
) {
866 if((n
= TABLE_FIND(conf
, struct conf
, name
, key
)) < 0)
871 /** @brief Set a new configuration value */
872 static int config_set(const struct config_state
*cs
,
873 int nvec
, char **vec
) {
874 const struct conf
*which
;
876 D(("config_set %s", vec
[0]));
877 if(!(which
= find(vec
[0]))) {
878 error(0, "%s:%d: unknown configuration key '%s'",
879 cs
->path
, cs
->line
, vec
[0]);
882 return (which
->validate(cs
, nvec
- 1, vec
+ 1)
883 || which
->type
->set(cs
, which
, nvec
- 1, vec
+ 1));
886 static void config_error(const char *msg
, void *u
) {
887 const struct config_state
*cs
= u
;
889 error(0, "%s:%d: %s", cs
->path
, cs
->line
, msg
);
892 /** @brief Include a file by name */
893 static int config_include(struct config
*c
, const char *path
) {
895 char *buffer
, *inputbuffer
, **vec
;
897 struct config_state cs
;
902 D(("%s: reading configuration", path
));
903 if(!(fp
= fopen(path
, "r"))) {
904 error(errno
, "error opening %s", path
);
907 while(!inputline(path
, fp
, &inputbuffer
, '\n')) {
909 if(!(buffer
= mb2utf8(inputbuffer
))) {
910 error(errno
, "%s:%d: cannot convert to UTF-8", cs
.path
, cs
.line
);
916 if(!(vec
= split(buffer
, &n
, SPLIT_COMMENTS
|SPLIT_QUOTES
,
917 config_error
, &cs
))) {
923 if(!strcmp(vec
[0], "include")) {
925 error(0, "%s:%d: must be 'include PATH'", cs
.path
, cs
.line
);
928 config_include(c
, vec
[1]);
930 ret
|= config_set(&cs
, n
, vec
);
932 for(n
= 0; vec
[n
]; ++n
) xfree(vec
[n
]);
937 error(errno
, "error reading %s", path
);
944 /** @brief Make a new default configuration */
945 static struct config
*config_default(void) {
946 struct config
*c
= xmalloc(sizeof *c
);
950 /* Strings had better be xstrdup'd as they will get freed at some point. */
953 c
->home
= xstrdup(pkgstatedir
);
954 if(!(pw
= getpwuid(getuid())))
955 fatal(0, "cannot determine our username");
956 logname
= pw
->pw_name
;
957 c
->username
= xstrdup(logname
);
961 c
->alias
= xstrdup("{/artist}{/album}{/title}{ext}");
963 c
->device
= xstrdup("default");
965 c
->speaker_command
= 0;
966 c
->sample_format
.bits
= 16;
967 c
->sample_format
.rate
= 44100;
968 c
->sample_format
.channels
= 2;
969 c
->sample_format
.byte_format
= AO_FMT_NATIVE
;
971 c
->speaker_backend
= -1;
975 static char *get_file(struct config
*c
, const char *name
) {
978 byte_xasprintf(&s
, "%s/%s", c
->home
, name
);
982 /** @brief Set the default configuration file */
983 static void set_configfile(void) {
985 byte_xasprintf(&configfile
, "%s/config", pkgconfdir
);
988 /** @brief Free a configuration object */
989 static void config_free(struct config
*c
) {
993 for(n
= 0; n
< (int)(sizeof conf
/ sizeof *conf
); ++n
)
994 conf
[n
].type
->free(c
, &conf
[n
]);
995 for(n
= 0; n
< c
->nparts
; ++n
)
1002 /** @brief Set post-parse defaults */
1003 static void config_postdefaults(struct config
*c
) {
1004 struct config_state cs
;
1005 const struct conf
*whoami
;
1008 static const char *namepart
[][4] = {
1009 { "title", "/([0-9]+:)?([^/]+)\\.[a-zA-Z0-9]+$", "$2", "display" },
1010 { "title", "/([^/]+)\\.[a-zA-Z0-9]+$", "$1", "sort" },
1011 { "album", "/([^/]+)/[^/]+$", "$1", "*" },
1012 { "artist", "/([^/]+)/[^/]+/[^/]+$", "$1", "*" },
1013 { "ext", "(\\.[a-zA-Z0-9]+)$", "$1", "*" },
1015 #define NNAMEPART (int)(sizeof namepart / sizeof *namepart)
1017 static const char *transform
[][5] = {
1018 { "track", "^.*/([0-9]+:)?([^/]+)\\.[a-zA-Z0-9]+$", "$2", "display", "" },
1019 { "track", "^.*/([^/]+)\\.[a-zA-Z0-9]+$", "$1", "sort", "" },
1020 { "dir", "^.*/([^/]+)$", "$1", "*", "" },
1021 { "dir", "^(the) ([^/]*)", "$2, $1", "sort", "i", },
1022 { "dir", "[[:punct:]]", "", "sort", "g", }
1024 #define NTRANSFORM (int)(sizeof transform / sizeof *transform)
1026 cs
.path
= "<internal>";
1029 if(!c
->namepart
.n
) {
1030 whoami
= find("namepart");
1031 for(n
= 0; n
< NNAMEPART
; ++n
)
1032 set_namepart(&cs
, whoami
, 4, (char **)namepart
[n
]);
1034 if(!c
->transform
.n
) {
1035 whoami
= find("transform");
1036 for(n
= 0; n
< NTRANSFORM
; ++n
)
1037 set_transform(&cs
, whoami
, 5, (char **)transform
[n
]);
1039 if(c
->speaker_backend
== -1) {
1040 if(c
->speaker_command
)
1041 c
->speaker_backend
= BACKEND_COMMAND
;
1042 else if(c
->broadcast
.n
)
1043 c
->speaker_backend
= BACKEND_NETWORK
;
1046 c
->speaker_backend
= BACKEND_ALSA
;
1048 c
->speaker_backend
= BACKEND_COMMAND
;
1052 if(c
->speaker_backend
== BACKEND_COMMAND
&& !c
->speaker_command
)
1053 fatal(0, "speaker_backend is command but speaker_command is not set");
1054 if(c
->speaker_backend
== BACKEND_NETWORK
&& !c
->broadcast
.n
)
1055 fatal(0, "speaker_backend is network but broadcast is not set");
1058 /** @brief (Re-)read the config file */
1065 c
= config_default();
1066 /* standalone Disobedience installs might not have a global config file */
1067 if(access(configfile
, F_OK
) == 0)
1068 if(config_include(c
, configfile
))
1070 /* if we can read the private config file, do */
1071 if((privconf
= config_private())
1072 && access(privconf
, R_OK
) == 0
1073 && config_include(c
, privconf
))
1076 /* if there's a per-user system config file for this user, read it */
1077 if(!(pw
= getpwuid(getuid())))
1078 fatal(0, "cannot determine our username");
1079 if((privconf
= config_usersysconf(pw
))
1080 && access(privconf
, F_OK
) == 0
1081 && config_include(c
, privconf
))
1084 /* if we have a password file, read it */
1085 if((privconf
= config_userconf(getenv("HOME"), pw
))
1086 && access(privconf
, F_OK
) == 0
1087 && config_include(c
, privconf
))
1090 /* install default namepart and transform settings */
1091 config_postdefaults(c
);
1092 /* everything is good so we shall use the new config */
1093 config_free(config
);
1098 /** @brief Return the path to the private configuration file */
1099 char *config_private(void) {
1103 byte_xasprintf(&s
, "%s.private", configfile
);
1107 /** @brief Return the path to user's personal configuration file */
1108 char *config_userconf(const char *home
, const struct passwd
*pw
) {
1111 byte_xasprintf(&s
, "%s/.disorder/passwd", home ? home
: pw
->pw_dir
);
1115 /** @brief Return the path to user-specific system configuration */
1116 char *config_usersysconf(const struct passwd
*pw
) {
1120 if(!strchr(pw
->pw_name
, '/')) {
1121 byte_xasprintf(&s
, "%s.%s", configfile
, pw
->pw_name
);
1127 char *config_get_file(const char *name
) {
1128 return get_file(config
, name
);