2 * This file is part of DisOrder.
3 * Copyright (C) 2004, 2005, 2006, 2007 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 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * 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, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
21 /** @file lib/configuration.c
22 * @brief Configuration file support
32 #include <sys/types.h>
43 #include "configuration.h"
49 #include "inputline.h"
58 /** @brief Path to config file
60 * set_configfile() sets the deafult if it is null.
64 /** @brief Read user configuration
66 * If clear, the user-specific configuration is not read.
68 int config_per_user
= 1;
70 /** @brief Config file parser state */
72 /** @brief Filename */
74 /** @brief Line number */
76 /** @brief Configuration object under construction */
77 struct config
*config
;
80 /** @brief Current configuration */
81 struct config
*config
;
83 /** @brief One configuration item */
85 /** @brief Name as it appears in the config file */
87 /** @brief Offset in @ref config structure */
89 /** @brief Pointer to item type */
90 const struct conftype
*type
;
91 /** @brief Pointer to item-specific validation routine */
92 int (*validate
)(const struct config_state
*cs
,
93 int nvec
, char **vec
);
96 /** @brief Type of a configuration item */
98 /** @brief Pointer to function to set item */
99 int (*set
)(const struct config_state
*cs
,
100 const struct conf
*whoami
,
101 int nvec
, char **vec
);
102 /** @brief Pointer to function to free item */
103 void (*free
)(struct config
*c
, const struct conf
*whoami
);
106 /** @brief Compute the address of an item */
107 #define ADDRESS(C, TYPE) ((TYPE *)((char *)(C) + whoami->offset))
108 /** @brief Return the value of an item */
109 #define VALUE(C, TYPE) (*ADDRESS(C, TYPE))
111 static int set_signal(const struct config_state
*cs
,
112 const struct conf
*whoami
,
113 int nvec
, char **vec
) {
117 error(0, "%s:%d: '%s' requires one argument",
118 cs
->path
, cs
->line
, whoami
->name
);
121 if((n
= find_signal(vec
[0])) == -1) {
122 error(0, "%s:%d: unknown signal '%s'",
123 cs
->path
, cs
->line
, vec
[0]);
126 VALUE(cs
->config
, int) = n
;
130 static int set_collections(const struct config_state
*cs
,
131 const struct conf
*whoami
,
132 int nvec
, char **vec
) {
133 struct collectionlist
*cl
;
136 error(0, "%s:%d: '%s' requires three arguments",
137 cs
->path
, cs
->line
, whoami
->name
);
140 if(vec
[2][0] != '/') {
141 error(0, "%s:%d: collection root must start with '/'",
145 if(vec
[2][1] && vec
[2][strlen(vec
[2])-1] == '/') {
146 error(0, "%s:%d: collection root must not end with '/'",
150 cl
= ADDRESS(cs
->config
, struct collectionlist
);
152 cl
->s
= xrealloc(cl
->s
, cl
->n
* sizeof (struct collection
));
153 cl
->s
[cl
->n
- 1].module
= xstrdup(vec
[0]);
154 cl
->s
[cl
->n
- 1].encoding
= xstrdup(vec
[1]);
155 cl
->s
[cl
->n
- 1].root
= xstrdup(vec
[2]);
159 static int set_boolean(const struct config_state
*cs
,
160 const struct conf
*whoami
,
161 int nvec
, char **vec
) {
165 error(0, "%s:%d: '%s' takes only one argument",
166 cs
->path
, cs
->line
, whoami
->name
);
169 if(!strcmp(vec
[0], "yes")) state
= 1;
170 else if(!strcmp(vec
[0], "no")) state
= 0;
172 error(0, "%s:%d: argument to '%s' must be 'yes' or 'no'",
173 cs
->path
, cs
->line
, whoami
->name
);
176 VALUE(cs
->config
, int) = state
;
180 static int set_string(const struct config_state
*cs
,
181 const struct conf
*whoami
,
182 int nvec
, char **vec
) {
184 error(0, "%s:%d: '%s' takes only one argument",
185 cs
->path
, cs
->line
, whoami
->name
);
188 VALUE(cs
->config
, char *) = xstrdup(vec
[0]);
192 static int set_stringlist(const struct config_state
*cs
,
193 const struct conf
*whoami
,
194 int nvec
, char **vec
) {
196 struct stringlist
*sl
;
198 sl
= ADDRESS(cs
->config
, struct stringlist
);
200 for(n
= 0; n
< nvec
; ++n
) {
202 sl
->s
= xrealloc(sl
->s
, (sl
->n
* sizeof (char *)));
203 sl
->s
[sl
->n
- 1] = xstrdup(vec
[n
]);
208 static int set_integer(const struct config_state
*cs
,
209 const struct conf
*whoami
,
210 int nvec
, char **vec
) {
214 error(0, "%s:%d: '%s' takes only one argument",
215 cs
->path
, cs
->line
, whoami
->name
);
218 if(xstrtol(ADDRESS(cs
->config
, long), vec
[0], &e
, 0)) {
219 error(errno
, "%s:%d: converting integer", cs
->path
, cs
->line
);
223 error(0, "%s:%d: invalid integer syntax", cs
->path
, cs
->line
);
229 static int set_stringlist_accum(const struct config_state
*cs
,
230 const struct conf
*whoami
,
231 int nvec
, char **vec
) {
233 struct stringlist
*s
;
234 struct stringlistlist
*sll
;
236 sll
= ADDRESS(cs
->config
, struct stringlistlist
);
242 sll
->s
= xrealloc(sll
->s
, (sll
->n
* sizeof (struct stringlist
)));
243 s
= &sll
->s
[sll
->n
- 1];
245 s
->s
= xmalloc((nvec
+ 1) * sizeof (char *));
246 for(n
= 0; n
< nvec
; ++n
)
247 s
->s
[n
] = xstrdup(vec
[n
]);
251 static int set_string_accum(const struct config_state
*cs
,
252 const struct conf
*whoami
,
253 int nvec
, char **vec
) {
255 struct stringlist
*sl
;
257 sl
= ADDRESS(cs
->config
, struct stringlist
);
262 for(n
= 0; n
< nvec
; ++n
) {
264 sl
->s
= xrealloc(sl
->s
, (sl
->n
* sizeof (char *)));
265 sl
->s
[sl
->n
- 1] = xstrdup(vec
[n
]);
270 static int set_restrict(const struct config_state
*cs
,
271 const struct conf
*whoami
,
272 int nvec
, char **vec
) {
276 static const struct restriction
{
280 { "remove", RESTRICT_REMOVE
},
281 { "scratch", RESTRICT_SCRATCH
},
282 { "move", RESTRICT_MOVE
},
285 for(n
= 0; n
< nvec
; ++n
) {
286 if((i
= TABLE_FIND(restrictions
, struct restriction
, name
, vec
[n
])) < 0) {
287 error(0, "%s:%d: invalid restriction '%s'",
288 cs
->path
, cs
->line
, vec
[n
]);
291 r
|= restrictions
[i
].bit
;
293 VALUE(cs
->config
, unsigned) = r
;
297 static int parse_sample_format(const struct config_state
*cs
,
298 struct stream_header
*format
,
299 int nvec
, char **vec
) {
304 error(0, "%s:%d: wrong number of arguments", cs
->path
, cs
->line
);
307 if(xstrtol(&t
, p
, &p
, 0)) {
308 error(errno
, "%s:%d: converting bits-per-sample", cs
->path
, cs
->line
);
311 if(t
!= 8 && t
!= 16) {
312 error(0, "%s:%d: bad bite-per-sample (%ld)", cs
->path
, cs
->line
, t
);
315 if(format
) format
->bits
= t
;
317 case 'l': case 'L': t
= ENDIAN_LITTLE
; p
++; break;
318 case 'b': case 'B': t
= ENDIAN_BIG
; p
++; break;
319 default: t
= ENDIAN_NATIVE
; break;
321 if(format
) format
->endian
= t
;
323 error(errno
, "%s:%d: expected `/' after bits-per-sample",
328 if(xstrtol(&t
, p
, &p
, 0)) {
329 error(errno
, "%s:%d: converting sample-rate", cs
->path
, cs
->line
);
332 if(t
< 1 || t
> INT_MAX
) {
333 error(0, "%s:%d: silly sample-rate (%ld)", cs
->path
, cs
->line
, t
);
336 if(format
) format
->rate
= t
;
338 error(0, "%s:%d: expected `/' after sample-rate",
343 if(xstrtol(&t
, p
, &p
, 0)) {
344 error(errno
, "%s:%d: converting channels", cs
->path
, cs
->line
);
348 error(0, "%s:%d: silly number (%ld) of channels", cs
->path
, cs
->line
, t
);
351 if(format
) format
->channels
= t
;
353 error(0, "%s:%d: junk after channels", cs
->path
, cs
->line
);
359 static int set_sample_format(const struct config_state
*cs
,
360 const struct conf
*whoami
,
361 int nvec
, char **vec
) {
362 return parse_sample_format(cs
, ADDRESS(cs
->config
, struct stream_header
),
366 static int set_namepart(const struct config_state
*cs
,
367 const struct conf
*whoami
,
368 int nvec
, char **vec
) {
369 struct namepartlist
*npl
= ADDRESS(cs
->config
, struct namepartlist
);
376 error(0, "%s:%d: namepart needs at least 3 arguments", cs
->path
, cs
->line
);
380 error(0, "%s:%d: namepart needs at most 5 arguments", cs
->path
, cs
->line
);
383 reflags
= nvec
>= 5 ?
regsub_flags(vec
[4]) : 0;
384 if(!(re
= pcre_compile(vec
[1],
386 |regsub_compile_options(reflags
),
387 &errstr
, &erroffset
, 0))) {
388 error(0, "%s:%d: error compiling regexp /%s/: %s (offset %d)",
389 cs
->path
, cs
->line
, vec
[1], errstr
, erroffset
);
392 npl
->s
= xrealloc(npl
->s
, (npl
->n
+ 1) * sizeof (struct namepart
));
393 npl
->s
[npl
->n
].part
= xstrdup(vec
[0]);
394 npl
->s
[npl
->n
].re
= re
;
395 npl
->s
[npl
->n
].replace
= xstrdup(vec
[2]);
396 npl
->s
[npl
->n
].context
= xstrdup(vec
[3]);
397 npl
->s
[npl
->n
].reflags
= reflags
;
399 /* XXX a bit of a bodge; relies on there being very few parts. */
400 for(n
= 0; (n
< cs
->config
->nparts
401 && strcmp(cs
->config
->parts
[n
], vec
[0])); ++n
)
403 if(n
>= cs
->config
->nparts
) {
404 cs
->config
->parts
= xrealloc(cs
->config
->parts
,
405 (cs
->config
->nparts
+ 1) * sizeof (char *));
406 cs
->config
->parts
[cs
->config
->nparts
++] = xstrdup(vec
[0]);
411 static int set_transform(const struct config_state
*cs
,
412 const struct conf
*whoami
,
413 int nvec
, char **vec
) {
414 struct transformlist
*tl
= ADDRESS(cs
->config
, struct transformlist
);
421 error(0, "%s:%d: transform needs at least 3 arguments", cs
->path
, cs
->line
);
425 error(0, "%s:%d: transform needs at most 5 arguments", cs
->path
, cs
->line
);
428 reflags
= (nvec
>= 5 ?
regsub_flags(vec
[4]) : 0);
429 if(!(re
= pcre_compile(vec
[1],
431 |regsub_compile_options(reflags
),
432 &errstr
, &erroffset
, 0))) {
433 error(0, "%s:%d: error compiling regexp /%s/: %s (offset %d)",
434 cs
->path
, cs
->line
, vec
[1], errstr
, erroffset
);
437 tl
->t
= xrealloc(tl
->t
, (tl
->n
+ 1) * sizeof (struct namepart
));
438 tl
->t
[tl
->n
].type
= xstrdup(vec
[0]);
439 tl
->t
[tl
->n
].context
= xstrdup(vec
[3] ? vec
[3] : "*");
440 tl
->t
[tl
->n
].re
= re
;
441 tl
->t
[tl
->n
].replace
= xstrdup(vec
[2]);
442 tl
->t
[tl
->n
].flags
= reflags
;
447 static int set_backend(const struct config_state
*cs
,
448 const struct conf
*whoami
,
449 int nvec
, char **vec
) {
450 int *const valuep
= ADDRESS(cs
->config
, int);
453 error(0, "%s:%d: '%s' requires one argument",
454 cs
->path
, cs
->line
, whoami
->name
);
457 if(!strcmp(vec
[0], "alsa")) {
458 #if HAVE_ALSA_ASOUNDLIB_H
459 *valuep
= BACKEND_ALSA
;
461 error(0, "%s:%d: ALSA is not available on this platform",
465 } else if(!strcmp(vec
[0], "command"))
466 *valuep
= BACKEND_COMMAND
;
467 else if(!strcmp(vec
[0], "network"))
468 *valuep
= BACKEND_NETWORK
;
469 else if(!strcmp(vec
[0], "coreaudio")) {
470 #if HAVE_COREAUDIO_AUDIOHARDWARE_H
471 *valuep
= BACKEND_COREAUDIO
;
473 error(0, "%s:%d: Core Audio is not available on this platform",
477 } else if(!strcmp(vec
[0], "oss")) {
478 #if HAVE_SYS_SOUNDCARD_H
479 *valuep
= BACKEND_OSS
;
481 error(0, "%s:%d: OSS is not available on this platform",
486 error(0, "%s:%d: invalid '%s' value '%s'",
487 cs
->path
, cs
->line
, whoami
->name
, vec
[0]);
493 static int set_rights(const struct config_state
*cs
,
494 const struct conf
*whoami
,
495 int nvec
, char **vec
) {
499 error(0, "%s:%d: '%s' requires one argument",
500 cs
->path
, cs
->line
, whoami
->name
);
503 if(parse_rights(vec
[0], &r
)) {
504 error(0, "%s:%d: invalid rights string '%s'",
505 cs
->path
, cs
->line
, vec
[0]);
508 *ADDRESS(cs
->config
, rights_type
) = r
;
514 static void free_none(struct config
attribute((unused
)) *c
,
515 const struct conf
attribute((unused
)) *whoami
) {
518 static void free_string(struct config
*c
,
519 const struct conf
*whoami
) {
520 xfree(VALUE(c
, char *));
523 static void free_stringlist(struct config
*c
,
524 const struct conf
*whoami
) {
526 struct stringlist
*sl
= ADDRESS(c
, struct stringlist
);
528 for(n
= 0; n
< sl
->n
; ++n
)
533 static void free_stringlistlist(struct config
*c
,
534 const struct conf
*whoami
) {
536 struct stringlistlist
*sll
= ADDRESS(c
, struct stringlistlist
);
537 struct stringlist
*sl
;
539 for(n
= 0; n
< sll
->n
; ++n
) {
541 for(m
= 0; m
< sl
->n
; ++m
)
548 static void free_collectionlist(struct config
*c
,
549 const struct conf
*whoami
) {
550 struct collectionlist
*cll
= ADDRESS(c
, struct collectionlist
);
551 struct collection
*cl
;
554 for(n
= 0; n
< cll
->n
; ++n
) {
563 static void free_namepartlist(struct config
*c
,
564 const struct conf
*whoami
) {
565 struct namepartlist
*npl
= ADDRESS(c
, struct namepartlist
);
569 for(n
= 0; n
< npl
->n
; ++n
) {
572 pcre_free(np
->re
); /* ...whatever pcre_free is set to. */
579 static void free_transformlist(struct config
*c
,
580 const struct conf
*whoami
) {
581 struct transformlist
*tl
= ADDRESS(c
, struct transformlist
);
585 for(n
= 0; n
< tl
->n
; ++n
) {
588 pcre_free(t
->re
); /* ...whatever pcre_free is set to. */
595 /* configuration types */
597 static const struct conftype
598 type_signal
= { set_signal
, free_none
},
599 type_collections
= { set_collections
, free_collectionlist
},
600 type_boolean
= { set_boolean
, free_none
},
601 type_string
= { set_string
, free_string
},
602 type_stringlist
= { set_stringlist
, free_stringlist
},
603 type_integer
= { set_integer
, free_none
},
604 type_stringlist_accum
= { set_stringlist_accum
, free_stringlistlist
},
605 type_string_accum
= { set_string_accum
, free_stringlist
},
606 type_sample_format
= { set_sample_format
, free_none
},
607 type_restrict
= { set_restrict
, free_none
},
608 type_namepart
= { set_namepart
, free_namepartlist
},
609 type_transform
= { set_transform
, free_transformlist
},
610 type_rights
= { set_rights
, free_none
},
611 type_backend
= { set_backend
, free_none
};
613 /* specific validation routine */
615 #define VALIDATE_FILE(test, what) do { \
619 for(n = 0; n < nvec; ++n) { \
620 if(stat(vec[n], &sb) < 0) { \
621 error(errno, "%s:%d: %s", cs->path, cs->line, vec[n]); \
624 if(!test(sb.st_mode)) { \
625 error(0, "%s:%d: %s is not a %s", \
626 cs->path, cs->line, vec[n], what); \
632 static int validate_isabspath(const struct config_state
*cs
,
633 int nvec
, char **vec
) {
636 for(n
= 0; n
< nvec
; ++n
)
637 if(vec
[n
][0] != '/') {
638 error(errno
, "%s:%d: %s: not an absolute path",
639 cs
->path
, cs
->line
, vec
[n
]);
645 static int validate_isdir(const struct config_state
*cs
,
646 int nvec
, char **vec
) {
647 VALIDATE_FILE(S_ISDIR
, "directory");
651 static int validate_isreg(const struct config_state
*cs
,
652 int nvec
, char **vec
) {
653 VALIDATE_FILE(S_ISREG
, "regular file");
657 static int validate_ischr(const struct config_state
*cs
,
658 int nvec
, char **vec
) {
659 VALIDATE_FILE(S_ISCHR
, "character device");
663 static int validate_player(const struct config_state
*cs
,
665 char attribute((unused
)) **vec
) {
667 error(0, "%s:%d: should be at least 'player PATTERN MODULE'",
674 static int validate_tracklength(const struct config_state
*cs
,
676 char attribute((unused
)) **vec
) {
678 error(0, "%s:%d: should be at least 'tracklength PATTERN MODULE'",
685 static int validate_allow(const struct config_state
*cs
,
687 char attribute((unused
)) **vec
) {
689 error(0, "%s:%d: must be 'allow NAME PASS'", cs
->path
, cs
->line
);
695 static int validate_non_negative(const struct config_state
*cs
,
696 int nvec
, char **vec
) {
700 error(0, "%s:%d: missing argument", cs
->path
, cs
->line
);
704 error(0, "%s:%d: too many arguments", cs
->path
, cs
->line
);
707 if(xstrtol(&n
, vec
[0], 0, 0)) {
708 error(0, "%s:%d: %s", cs
->path
, cs
->line
, strerror(errno
));
712 error(0, "%s:%d: must not be negative", cs
->path
, cs
->line
);
718 static int validate_positive(const struct config_state
*cs
,
719 int nvec
, char **vec
) {
723 error(0, "%s:%d: missing argument", cs
->path
, cs
->line
);
727 error(0, "%s:%d: too many arguments", cs
->path
, cs
->line
);
730 if(xstrtol(&n
, vec
[0], 0, 0)) {
731 error(0, "%s:%d: %s", cs
->path
, cs
->line
, strerror(errno
));
735 error(0, "%s:%d: must be positive", cs
->path
, cs
->line
);
741 static int validate_isauser(const struct config_state
*cs
,
742 int attribute((unused
)) nvec
,
746 if(!(pw
= getpwnam(vec
[0]))) {
747 error(0, "%s:%d: no such user as '%s'", cs
->path
, cs
->line
, vec
[0]);
753 static int validate_sample_format(const struct config_state
*cs
,
754 int attribute((unused
)) nvec
,
756 return parse_sample_format(cs
, 0, nvec
, vec
);
759 static int validate_channel(const struct config_state
*cs
,
760 int attribute((unused
)) nvec
,
762 if(mixer_channel(vec
[0]) == -1) {
763 error(0, "%s:%d: invalid channel '%s'", cs
->path
, cs
->line
, vec
[0]);
769 static int validate_any(const struct config_state
attribute((unused
)) *cs
,
770 int attribute((unused
)) nvec
,
771 char attribute((unused
)) **vec
) {
775 static int validate_url(const struct config_state
attribute((unused
)) *cs
,
776 int attribute((unused
)) nvec
,
780 /* absoluteURI = scheme ":" ( hier_part | opaque_part )
781 scheme = alpha *( alpha | digit | "+" | "-" | "." ) */
783 n
= strspn(s
, ("abcdefghijklmnopqrstuvwxyz"
784 "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
787 error(0, "%s:%d: invalid url '%s'", cs
->path
, cs
->line
, vec
[0]);
790 if(!strncmp(s
, "http:", 5)
791 || !strncmp(s
, "https:", 6)) {
793 /* we only do a rather cursory check */
794 if(strncmp(s
, "//", 2)) {
795 error(0, "%s:%d: invalid url '%s'", cs
->path
, cs
->line
, vec
[0]);
802 static int validate_alias(const struct config_state
*cs
,
806 int in_brackets
= 0, c
;
809 error(0, "%s:%d: missing argument", cs
->path
, cs
->line
);
813 error(0, "%s:%d: too many arguments", cs
->path
, cs
->line
);
817 while((c
= (unsigned char)*s
++)) {
821 else if(!isalnum(c
)) {
822 error(0, "%s:%d: invalid part name in alias expansion in '%s'",
823 cs
->path
, cs
->line
, vec
[0]);
831 } else if(c
== '\\') {
832 if(!(c
= (unsigned char)*s
++)) {
833 error(0, "%s:%d: unterminated escape in alias expansion in '%s'",
834 cs
->path
, cs
->line
, vec
[0]);
836 } else if(c
!= '\\' && c
!= '{') {
837 error(0, "%s:%d: invalid escape in alias expansion in '%s'",
838 cs
->path
, cs
->line
, vec
[0]);
846 error(0, "%s:%d: unterminated part name in alias expansion in '%s'",
847 cs
->path
, cs
->line
, vec
[0]);
853 static int validate_addrport(const struct config_state
attribute((unused
)) *cs
,
855 char attribute((unused
)) **vec
) {
858 error(0, "%s:%d: missing address",
862 error(0, "%s:%d: missing port name/number",
868 error(0, "%s:%d: expected ADDRESS PORT",
874 static int validate_port(const struct config_state
attribute((unused
)) *cs
,
876 char attribute((unused
)) **vec
) {
879 error(0, "%s:%d: missing address",
886 error(0, "%s:%d: expected [ADDRESS] PORT",
892 static int validate_algo(const struct config_state
attribute((unused
)) *cs
,
896 error(0, "%s:%d: invalid algorithm specification", cs
->path
, cs
->line
);
899 if(!valid_authhash(vec
[0])) {
900 error(0, "%s:%d: unsuported algorithm '%s'", cs
->path
, cs
->line
, vec
[0]);
906 /** @brief Item name and and offset */
907 #define C(x) #x, offsetof(struct config, x)
908 /** @brief Item name and and offset */
909 #define C2(x,y) #x, offsetof(struct config, y)
911 /** @brief All configuration items */
912 static const struct conf conf
[] = {
913 { C(alias
), &type_string
, validate_alias
},
914 { C(allow
), &type_stringlist_accum
, validate_allow
},
915 { C(authorization_algorithm
), &type_string
, validate_algo
},
916 { C(broadcast
), &type_stringlist
, validate_addrport
},
917 { C(broadcast_from
), &type_stringlist
, validate_addrport
},
918 { C(channel
), &type_string
, validate_channel
},
919 { C(checkpoint_kbyte
), &type_integer
, validate_non_negative
},
920 { C(checkpoint_min
), &type_integer
, validate_non_negative
},
921 { C(collection
), &type_collections
, validate_any
},
922 { C(connect
), &type_stringlist
, validate_addrport
},
923 { C(cookie_login_lifetime
), &type_integer
, validate_positive
},
924 { C(cookie_key_lifetime
), &type_integer
, validate_positive
},
925 { C(dbversion
), &type_integer
, validate_positive
},
926 { C(default_rights
), &type_rights
, validate_any
},
927 { C(device
), &type_string
, validate_any
},
928 { C(gap
), &type_integer
, validate_non_negative
},
929 { C(history
), &type_integer
, validate_positive
},
930 { C(home
), &type_string
, validate_isabspath
},
931 { C(listen
), &type_stringlist
, validate_port
},
932 { C(lock
), &type_boolean
, validate_any
},
933 { C(mixer
), &type_string
, validate_ischr
},
934 { C(multicast_loop
), &type_boolean
, validate_any
},
935 { C(multicast_ttl
), &type_integer
, validate_non_negative
},
936 { C(namepart
), &type_namepart
, validate_any
},
937 { C2(nice
, nice_rescan
), &type_integer
, validate_non_negative
},
938 { C(nice_rescan
), &type_integer
, validate_non_negative
},
939 { C(nice_server
), &type_integer
, validate_any
},
940 { C(nice_speaker
), &type_integer
, validate_any
},
941 { C(noticed_history
), &type_integer
, validate_positive
},
942 { C(password
), &type_string
, validate_any
},
943 { C(player
), &type_stringlist_accum
, validate_player
},
944 { C(plugins
), &type_string_accum
, validate_isdir
},
945 { C(prefsync
), &type_integer
, validate_positive
},
946 { C(queue_pad
), &type_integer
, validate_positive
},
947 { C(refresh
), &type_integer
, validate_positive
},
948 { C2(restrict
, restrictions
), &type_restrict
, validate_any
},
949 { C(sample_format
), &type_sample_format
, validate_sample_format
},
950 { C(scratch
), &type_string_accum
, validate_isreg
},
951 { C(short_display
), &type_integer
, validate_positive
},
952 { C(signal
), &type_signal
, validate_any
},
953 { C(sox_generation
), &type_integer
, validate_non_negative
},
954 { C(speaker_backend
), &type_backend
, validate_any
},
955 { C(speaker_command
), &type_string
, validate_any
},
956 { C(stopword
), &type_string_accum
, validate_any
},
957 { C(templates
), &type_string_accum
, validate_isdir
},
958 { C(tracklength
), &type_stringlist_accum
, validate_tracklength
},
959 { C(transform
), &type_transform
, validate_any
},
960 { C(trust
), &type_string_accum
, validate_any
},
961 { C(url
), &type_string
, validate_url
},
962 { C(user
), &type_string
, validate_isauser
},
963 { C(username
), &type_string
, validate_any
},
966 /** @brief Find a configuration item's definition by key */
967 static const struct conf
*find(const char *key
) {
970 if((n
= TABLE_FIND(conf
, struct conf
, name
, key
)) < 0)
975 /** @brief Set a new configuration value */
976 static int config_set(const struct config_state
*cs
,
977 int nvec
, char **vec
) {
978 const struct conf
*which
;
980 D(("config_set %s", vec
[0]));
981 if(!(which
= find(vec
[0]))) {
982 error(0, "%s:%d: unknown configuration key '%s'",
983 cs
->path
, cs
->line
, vec
[0]);
986 return (which
->validate(cs
, nvec
- 1, vec
+ 1)
987 || which
->type
->set(cs
, which
, nvec
- 1, vec
+ 1));
990 /** @brief Error callback used by config_include() */
991 static void config_error(const char *msg
, void *u
) {
992 const struct config_state
*cs
= u
;
994 error(0, "%s:%d: %s", cs
->path
, cs
->line
, msg
);
997 /** @brief Include a file by name */
998 static int config_include(struct config
*c
, const char *path
) {
1000 char *buffer
, *inputbuffer
, **vec
;
1002 struct config_state cs
;
1007 D(("%s: reading configuration", path
));
1008 if(!(fp
= fopen(path
, "r"))) {
1009 error(errno
, "error opening %s", path
);
1012 while(!inputline(path
, fp
, &inputbuffer
, '\n')) {
1014 if(!(buffer
= mb2utf8(inputbuffer
))) {
1015 error(errno
, "%s:%d: cannot convert to UTF-8", cs
.path
, cs
.line
);
1021 if(!(vec
= split(buffer
, &n
, SPLIT_COMMENTS
|SPLIT_QUOTES
,
1022 config_error
, &cs
))) {
1028 if(!strcmp(vec
[0], "include")) {
1030 error(0, "%s:%d: must be 'include PATH'", cs
.path
, cs
.line
);
1033 config_include(c
, vec
[1]);
1035 ret
|= config_set(&cs
, n
, vec
);
1037 for(n
= 0; vec
[n
]; ++n
) xfree(vec
[n
]);
1042 error(errno
, "error reading %s", path
);
1049 /** @brief Make a new default configuration */
1050 static struct config
*config_default(void) {
1051 struct config
*c
= xmalloc(sizeof *c
);
1052 const char *logname
;
1055 /* Strings had better be xstrdup'd as they will get freed at some point. */
1058 c
->home
= xstrdup(pkgstatedir
);
1059 if(!(pw
= getpwuid(getuid())))
1060 fatal(0, "cannot determine our username");
1061 logname
= pw
->pw_name
;
1062 c
->username
= xstrdup(logname
);
1065 c
->signal
= SIGKILL
;
1066 c
->alias
= xstrdup("{/artist}{/album}{/title}{ext}");
1068 c
->device
= xstrdup("default");
1069 c
->nice_rescan
= 10;
1070 c
->speaker_command
= 0;
1071 c
->sample_format
.bits
= 16;
1072 c
->sample_format
.rate
= 44100;
1073 c
->sample_format
.channels
= 2;
1074 c
->sample_format
.endian
= ENDIAN_NATIVE
;
1076 c
->speaker_backend
= -1;
1077 c
->multicast_ttl
= 1;
1078 c
->multicast_loop
= 1;
1079 c
->authorization_algorithm
= xstrdup("sha1");
1080 c
->noticed_history
= 31;
1081 c
->short_display
= 32;
1082 c
->mixer
= xstrdup("/dev/mixer");
1083 c
->channel
= xstrdup("pcm");
1085 c
->cookie_login_lifetime
= 86400;
1086 c
->cookie_key_lifetime
= 86400 * 7;
1090 static char *get_file(struct config
*c
, const char *name
) {
1093 byte_xasprintf(&s
, "%s/%s", c
->home
, name
);
1097 /** @brief Set the default configuration file */
1098 static void set_configfile(void) {
1100 byte_xasprintf(&configfile
, "%s/config", pkgconfdir
);
1103 /** @brief Free a configuration object */
1104 static void config_free(struct config
*c
) {
1108 for(n
= 0; n
< (int)(sizeof conf
/ sizeof *conf
); ++n
)
1109 conf
[n
].type
->free(c
, &conf
[n
]);
1110 for(n
= 0; n
< c
->nparts
; ++n
)
1117 /** @brief Set post-parse defaults */
1118 static void config_postdefaults(struct config
*c
,
1120 struct config_state cs
;
1121 const struct conf
*whoami
;
1124 static const char *namepart
[][4] = {
1125 { "title", "/([0-9]+ *[-:] *)?([^/]+)\\.[a-zA-Z0-9]+$", "$2", "display" },
1126 { "title", "/([^/]+)\\.[a-zA-Z0-9]+$", "$1", "sort" },
1127 { "album", "/([^/]+)/[^/]+$", "$1", "*" },
1128 { "artist", "/([^/]+)/[^/]+/[^/]+$", "$1", "*" },
1129 { "ext", "(\\.[a-zA-Z0-9]+)$", "$1", "*" },
1131 #define NNAMEPART (int)(sizeof namepart / sizeof *namepart)
1133 static const char *transform
[][5] = {
1134 { "track", "^.*/([0-9]+ *[-:] *)?([^/]+)\\.[a-zA-Z0-9]+$", "$2", "display", "" },
1135 { "track", "^.*/([^/]+)\\.[a-zA-Z0-9]+$", "$1", "sort", "" },
1136 { "dir", "^.*/([^/]+)$", "$1", "*", "" },
1137 { "dir", "^(the) ([^/]*)", "$2, $1", "sort", "i", },
1138 { "dir", "[[:punct:]]", "", "sort", "g", }
1140 #define NTRANSFORM (int)(sizeof transform / sizeof *transform)
1142 cs
.path
= "<internal>";
1145 if(!c
->namepart
.n
) {
1146 whoami
= find("namepart");
1147 for(n
= 0; n
< NNAMEPART
; ++n
)
1148 set_namepart(&cs
, whoami
, 4, (char **)namepart
[n
]);
1150 if(!c
->transform
.n
) {
1151 whoami
= find("transform");
1152 for(n
= 0; n
< NTRANSFORM
; ++n
)
1153 set_transform(&cs
, whoami
, 5, (char **)transform
[n
]);
1155 if(c
->speaker_backend
== -1) {
1156 if(c
->speaker_command
)
1157 c
->speaker_backend
= BACKEND_COMMAND
;
1158 else if(c
->broadcast
.n
)
1159 c
->speaker_backend
= BACKEND_NETWORK
;
1161 #if HAVE_ALSA_ASOUNDLIB_H
1162 c
->speaker_backend
= BACKEND_ALSA
;
1163 #elif HAVE_SYS_SOUNDCARD_H
1164 c
->speaker_backend
= BACKEND_OSS
;
1165 #elif HAVE_COREAUDIO_AUDIOHARDWARE_H
1166 c
->speaker_backend
= BACKEND_COREAUDIO
;
1168 c
->speaker_backend
= BACKEND_COMMAND
;
1173 if(c
->speaker_backend
== BACKEND_COMMAND
&& !c
->speaker_command
)
1174 fatal(0, "speaker_backend is command but speaker_command is not set");
1175 if(c
->speaker_backend
== BACKEND_NETWORK
&& !c
->broadcast
.n
)
1176 fatal(0, "speaker_backend is network but broadcast is not set");
1178 /* Override sample format */
1179 switch(c
->speaker_backend
) {
1180 case BACKEND_NETWORK
:
1181 c
->sample_format
.rate
= 44100;
1182 c
->sample_format
.channels
= 2;
1183 c
->sample_format
.bits
= 16;
1184 c
->sample_format
.endian
= ENDIAN_BIG
;
1186 case BACKEND_COREAUDIO
:
1187 c
->sample_format
.rate
= 44100;
1188 c
->sample_format
.channels
= 2;
1189 c
->sample_format
.bits
= 16;
1190 c
->sample_format
.endian
= ENDIAN_NATIVE
;
1193 if(!c
->default_rights
) {
1194 rights_type r
= RIGHTS__MASK
& ~(RIGHT_ADMIN
|RIGHT_REGISTER
1196 |RIGHT_SCRATCH__MASK
1197 |RIGHT_REMOVE__MASK
);
1198 /* The idea is to approximate the meaning of the old 'restrict' directive
1199 * in the default rights if they are not overridden. */
1200 if(c
->restrictions
& RESTRICT_SCRATCH
)
1201 r
|= RIGHT_SCRATCH_MINE
|RIGHT_SCRATCH_RANDOM
;
1203 r
|= RIGHT_SCRATCH_ANY
;
1204 if(!(c
->restrictions
& RESTRICT_MOVE
))
1205 r
|= RIGHT_MOVE_ANY
;
1206 if(c
->restrictions
& RESTRICT_REMOVE
)
1207 r
|= RIGHT_REMOVE_MINE
;
1209 r
|= RIGHT_REMOVE_ANY
;
1210 c
->default_rights
= r
;
1214 /** @brief (Re-)read the config file
1215 * @param server If set, do extra checking
1217 int config_read(int server
) {
1223 c
= config_default();
1224 /* standalone Disobedience installs might not have a global config file */
1225 if(access(configfile
, F_OK
) == 0)
1226 if(config_include(c
, configfile
))
1228 /* if we can read the private config file, do */
1229 if((privconf
= config_private())
1230 && access(privconf
, R_OK
) == 0
1231 && config_include(c
, privconf
))
1234 /* if there's a per-user system config file for this user, read it */
1235 if(config_per_user
) {
1236 if(!(pw
= getpwuid(getuid())))
1237 fatal(0, "cannot determine our username");
1238 if((privconf
= config_usersysconf(pw
))
1239 && access(privconf
, F_OK
) == 0
1240 && config_include(c
, privconf
))
1243 /* if we have a password file, read it */
1244 if((privconf
= config_userconf(getenv("HOME"), pw
))
1245 && access(privconf
, F_OK
) == 0
1246 && config_include(c
, privconf
))
1250 /* install default namepart and transform settings */
1251 config_postdefaults(c
, server
);
1252 /* everything is good so we shall use the new config */
1253 config_free(config
);
1254 /* warn about obsolete directives */
1256 error(0, "'restrict' will be removed in a future version");
1258 error(0, "'allow' will be removed in a future version");
1260 error(0, "'trust' will be removed in a future version");
1265 /** @brief Return the path to the private configuration file */
1266 char *config_private(void) {
1270 byte_xasprintf(&s
, "%s.private", configfile
);
1274 /** @brief Return the path to user's personal configuration file */
1275 char *config_userconf(const char *home
, const struct passwd
*pw
) {
1278 if(!home
&& !pw
&& !(pw
= getpwuid(getuid())))
1279 fatal(0, "cannot determine our username");
1280 byte_xasprintf(&s
, "%s/.disorder/passwd", home ? home
: pw
->pw_dir
);
1284 /** @brief Return the path to user-specific system configuration */
1285 char *config_usersysconf(const struct passwd
*pw
) {
1289 if(!strchr(pw
->pw_name
, '/')) {
1290 byte_xasprintf(&s
, "%s.%s", configfile
, pw
->pw_name
);
1296 char *config_get_file(const char *name
) {
1297 return get_file(config
, name
);