2 * This file is part of DisOrder.
3 * Copyright (C) 2004-2008 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
28 #include <sys/types.h>
39 #include "configuration.h"
45 #include "inputline.h"
55 /** @brief Path to config file
57 * set_configfile() sets the deafult if it is null.
61 /** @brief Read user configuration
63 * If clear, the user-specific configuration is not read.
65 int config_per_user
= 1;
67 /** @brief Config file parser state */
69 /** @brief Filename */
71 /** @brief Line number */
73 /** @brief Configuration object under construction */
74 struct config
*config
;
77 /** @brief Current configuration */
78 struct config
*config
;
80 /** @brief One configuration item */
82 /** @brief Name as it appears in the config file */
84 /** @brief Offset in @ref config structure */
86 /** @brief Pointer to item type */
87 const struct conftype
*type
;
88 /** @brief Pointer to item-specific validation routine */
89 int (*validate
)(const struct config_state
*cs
,
90 int nvec
, char **vec
);
93 /** @brief Type of a configuration item */
95 /** @brief Pointer to function to set item */
96 int (*set
)(const struct config_state
*cs
,
97 const struct conf
*whoami
,
98 int nvec
, char **vec
);
99 /** @brief Pointer to function to free item */
100 void (*free
)(struct config
*c
, const struct conf
*whoami
);
103 /** @brief Compute the address of an item */
104 #define ADDRESS(C, TYPE) ((TYPE *)((char *)(C) + whoami->offset))
105 /** @brief Return the value of an item */
106 #define VALUE(C, TYPE) (*ADDRESS(C, TYPE))
108 static int set_signal(const struct config_state
*cs
,
109 const struct conf
*whoami
,
110 int nvec
, char **vec
) {
114 error(0, "%s:%d: '%s' requires one argument",
115 cs
->path
, cs
->line
, whoami
->name
);
118 if((n
= find_signal(vec
[0])) == -1) {
119 error(0, "%s:%d: unknown signal '%s'",
120 cs
->path
, cs
->line
, vec
[0]);
123 VALUE(cs
->config
, int) = n
;
127 static int set_collections(const struct config_state
*cs
,
128 const struct conf
*whoami
,
129 int nvec
, char **vec
) {
130 struct collectionlist
*cl
;
131 const char *root
, *encoding
, *module
;
150 error(0, "%s:%d: '%s' requires at least one argument",
151 cs
->path
, cs
->line
, whoami
->name
);
154 error(0, "%s:%d: '%s' requires at most three arguments",
155 cs
->path
, cs
->line
, whoami
->name
);
158 /* Sanity check root */
160 error(0, "%s:%d: collection root must start with '/'",
164 if(root
[1] && root
[strlen(root
)-1] == '/') {
165 error(0, "%s:%d: collection root must not end with '/'",
173 encoding
= nl_langinfo(CODESET
);
174 cl
= ADDRESS(cs
->config
, struct collectionlist
);
176 cl
->s
= xrealloc(cl
->s
, cl
->n
* sizeof (struct collection
));
177 cl
->s
[cl
->n
- 1].module
= xstrdup(module
);
178 cl
->s
[cl
->n
- 1].encoding
= xstrdup(encoding
);
179 cl
->s
[cl
->n
- 1].root
= xstrdup(root
);
183 static int set_boolean(const struct config_state
*cs
,
184 const struct conf
*whoami
,
185 int nvec
, char **vec
) {
189 error(0, "%s:%d: '%s' takes only one argument",
190 cs
->path
, cs
->line
, whoami
->name
);
193 if(!strcmp(vec
[0], "yes")) state
= 1;
194 else if(!strcmp(vec
[0], "no")) state
= 0;
196 error(0, "%s:%d: argument to '%s' must be 'yes' or 'no'",
197 cs
->path
, cs
->line
, whoami
->name
);
200 VALUE(cs
->config
, int) = state
;
204 static int set_string(const struct config_state
*cs
,
205 const struct conf
*whoami
,
206 int nvec
, char **vec
) {
208 error(0, "%s:%d: '%s' takes only one argument",
209 cs
->path
, cs
->line
, whoami
->name
);
212 VALUE(cs
->config
, char *) = xstrdup(vec
[0]);
216 static int set_stringlist(const struct config_state
*cs
,
217 const struct conf
*whoami
,
218 int nvec
, char **vec
) {
220 struct stringlist
*sl
;
222 sl
= ADDRESS(cs
->config
, struct stringlist
);
224 for(n
= 0; n
< nvec
; ++n
) {
226 sl
->s
= xrealloc(sl
->s
, (sl
->n
* sizeof (char *)));
227 sl
->s
[sl
->n
- 1] = xstrdup(vec
[n
]);
232 static int set_integer(const struct config_state
*cs
,
233 const struct conf
*whoami
,
234 int nvec
, char **vec
) {
238 error(0, "%s:%d: '%s' takes only one argument",
239 cs
->path
, cs
->line
, whoami
->name
);
242 if(xstrtol(ADDRESS(cs
->config
, long), vec
[0], &e
, 0)) {
243 error(errno
, "%s:%d: converting integer", cs
->path
, cs
->line
);
247 error(0, "%s:%d: invalid integer syntax", cs
->path
, cs
->line
);
253 static int set_stringlist_accum(const struct config_state
*cs
,
254 const struct conf
*whoami
,
255 int nvec
, char **vec
) {
257 struct stringlist
*s
;
258 struct stringlistlist
*sll
;
260 sll
= ADDRESS(cs
->config
, struct stringlistlist
);
266 sll
->s
= xrealloc(sll
->s
, (sll
->n
* sizeof (struct stringlist
)));
267 s
= &sll
->s
[sll
->n
- 1];
269 s
->s
= xmalloc((nvec
+ 1) * sizeof (char *));
270 for(n
= 0; n
< nvec
; ++n
)
271 s
->s
[n
] = xstrdup(vec
[n
]);
275 static int set_string_accum(const struct config_state
*cs
,
276 const struct conf
*whoami
,
277 int nvec
, char **vec
) {
279 struct stringlist
*sl
;
281 sl
= ADDRESS(cs
->config
, struct stringlist
);
286 for(n
= 0; n
< nvec
; ++n
) {
288 sl
->s
= xrealloc(sl
->s
, (sl
->n
* sizeof (char *)));
289 sl
->s
[sl
->n
- 1] = xstrdup(vec
[n
]);
294 static int set_restrict(const struct config_state
*cs
,
295 const struct conf
*whoami
,
296 int nvec
, char **vec
) {
300 static const struct restriction
{
304 { "remove", RESTRICT_REMOVE
},
305 { "scratch", RESTRICT_SCRATCH
},
306 { "move", RESTRICT_MOVE
},
309 for(n
= 0; n
< nvec
; ++n
) {
310 if((i
= TABLE_FIND(restrictions
, name
, vec
[n
])) < 0) {
311 error(0, "%s:%d: invalid restriction '%s'",
312 cs
->path
, cs
->line
, vec
[n
]);
315 r
|= restrictions
[i
].bit
;
317 VALUE(cs
->config
, unsigned) = r
;
321 static int parse_sample_format(const struct config_state
*cs
,
322 struct stream_header
*format
,
323 int nvec
, char **vec
) {
328 error(0, "%s:%d: wrong number of arguments", cs
->path
, cs
->line
);
331 if(xstrtol(&t
, p
, &p
, 0)) {
332 error(errno
, "%s:%d: converting bits-per-sample", cs
->path
, cs
->line
);
335 if(t
!= 8 && t
!= 16) {
336 error(0, "%s:%d: bad bite-per-sample (%ld)", cs
->path
, cs
->line
, t
);
339 if(format
) format
->bits
= t
;
341 case 'l': case 'L': t
= ENDIAN_LITTLE
; p
++; break;
342 case 'b': case 'B': t
= ENDIAN_BIG
; p
++; break;
343 default: t
= ENDIAN_NATIVE
; break;
345 if(format
) format
->endian
= t
;
347 error(errno
, "%s:%d: expected `/' after bits-per-sample",
352 if(xstrtol(&t
, p
, &p
, 0)) {
353 error(errno
, "%s:%d: converting sample-rate", cs
->path
, cs
->line
);
356 if(t
< 1 || t
> INT_MAX
) {
357 error(0, "%s:%d: silly sample-rate (%ld)", cs
->path
, cs
->line
, t
);
360 if(format
) format
->rate
= t
;
362 error(0, "%s:%d: expected `/' after sample-rate",
367 if(xstrtol(&t
, p
, &p
, 0)) {
368 error(errno
, "%s:%d: converting channels", cs
->path
, cs
->line
);
372 error(0, "%s:%d: silly number (%ld) of channels", cs
->path
, cs
->line
, t
);
375 if(format
) format
->channels
= t
;
377 error(0, "%s:%d: junk after channels", cs
->path
, cs
->line
);
383 static int set_sample_format(const struct config_state
*cs
,
384 const struct conf
*whoami
,
385 int nvec
, char **vec
) {
386 return parse_sample_format(cs
, ADDRESS(cs
->config
, struct stream_header
),
390 static int set_namepart(const struct config_state
*cs
,
391 const struct conf
*whoami
,
392 int nvec
, char **vec
) {
393 struct namepartlist
*npl
= ADDRESS(cs
->config
, struct namepartlist
);
400 error(0, "%s:%d: namepart needs at least 3 arguments", cs
->path
, cs
->line
);
404 error(0, "%s:%d: namepart needs at most 5 arguments", cs
->path
, cs
->line
);
407 reflags
= nvec
>= 5 ?
regsub_flags(vec
[4]) : 0;
408 if(!(re
= pcre_compile(vec
[1],
410 |regsub_compile_options(reflags
),
411 &errstr
, &erroffset
, 0))) {
412 error(0, "%s:%d: error compiling regexp /%s/: %s (offset %d)",
413 cs
->path
, cs
->line
, vec
[1], errstr
, erroffset
);
416 npl
->s
= xrealloc(npl
->s
, (npl
->n
+ 1) * sizeof (struct namepart
));
417 npl
->s
[npl
->n
].part
= xstrdup(vec
[0]);
418 npl
->s
[npl
->n
].re
= re
;
419 npl
->s
[npl
->n
].replace
= xstrdup(vec
[2]);
420 npl
->s
[npl
->n
].context
= xstrdup(vec
[3]);
421 npl
->s
[npl
->n
].reflags
= reflags
;
423 /* XXX a bit of a bodge; relies on there being very few parts. */
424 for(n
= 0; (n
< cs
->config
->nparts
425 && strcmp(cs
->config
->parts
[n
], vec
[0])); ++n
)
427 if(n
>= cs
->config
->nparts
) {
428 cs
->config
->parts
= xrealloc(cs
->config
->parts
,
429 (cs
->config
->nparts
+ 1) * sizeof (char *));
430 cs
->config
->parts
[cs
->config
->nparts
++] = xstrdup(vec
[0]);
435 static int set_transform(const struct config_state
*cs
,
436 const struct conf
*whoami
,
437 int nvec
, char **vec
) {
438 struct transformlist
*tl
= ADDRESS(cs
->config
, struct transformlist
);
445 error(0, "%s:%d: transform needs at least 3 arguments", cs
->path
, cs
->line
);
449 error(0, "%s:%d: transform needs at most 5 arguments", cs
->path
, cs
->line
);
452 reflags
= (nvec
>= 5 ?
regsub_flags(vec
[4]) : 0);
453 if(!(re
= pcre_compile(vec
[1],
455 |regsub_compile_options(reflags
),
456 &errstr
, &erroffset
, 0))) {
457 error(0, "%s:%d: error compiling regexp /%s/: %s (offset %d)",
458 cs
->path
, cs
->line
, vec
[1], errstr
, erroffset
);
461 tl
->t
= xrealloc(tl
->t
, (tl
->n
+ 1) * sizeof (struct namepart
));
462 tl
->t
[tl
->n
].type
= xstrdup(vec
[0]);
463 tl
->t
[tl
->n
].context
= xstrdup(vec
[3] ? vec
[3] : "*");
464 tl
->t
[tl
->n
].re
= re
;
465 tl
->t
[tl
->n
].replace
= xstrdup(vec
[2]);
466 tl
->t
[tl
->n
].flags
= reflags
;
471 static int set_backend(const struct config_state
*cs
,
472 const struct conf
*whoami
,
473 int nvec
, char **vec
) {
474 int *const valuep
= ADDRESS(cs
->config
, int);
477 error(0, "%s:%d: '%s' requires one argument",
478 cs
->path
, cs
->line
, whoami
->name
);
481 if(!strcmp(vec
[0], "alsa")) {
482 #if HAVE_ALSA_ASOUNDLIB_H
483 *valuep
= BACKEND_ALSA
;
485 error(0, "%s:%d: ALSA is not available on this platform",
489 } else if(!strcmp(vec
[0], "command"))
490 *valuep
= BACKEND_COMMAND
;
491 else if(!strcmp(vec
[0], "network"))
492 *valuep
= BACKEND_NETWORK
;
493 else if(!strcmp(vec
[0], "coreaudio")) {
494 #if HAVE_COREAUDIO_AUDIOHARDWARE_H
495 *valuep
= BACKEND_COREAUDIO
;
497 error(0, "%s:%d: Core Audio is not available on this platform",
501 } else if(!strcmp(vec
[0], "oss")) {
502 #if HAVE_SYS_SOUNDCARD_H
503 *valuep
= BACKEND_OSS
;
505 error(0, "%s:%d: OSS is not available on this platform",
510 error(0, "%s:%d: invalid '%s' value '%s'",
511 cs
->path
, cs
->line
, whoami
->name
, vec
[0]);
517 static int set_rights(const struct config_state
*cs
,
518 const struct conf
*whoami
,
519 int nvec
, char **vec
) {
521 error(0, "%s:%d: '%s' requires one argument",
522 cs
->path
, cs
->line
, whoami
->name
);
525 if(parse_rights(vec
[0], 0, 1)) {
526 error(0, "%s:%d: invalid rights string '%s'",
527 cs
->path
, cs
->line
, vec
[0]);
530 *ADDRESS(cs
->config
, char *) = vec
[0];
536 static void free_none(struct config
attribute((unused
)) *c
,
537 const struct conf
attribute((unused
)) *whoami
) {
540 static void free_string(struct config
*c
,
541 const struct conf
*whoami
) {
542 xfree(VALUE(c
, char *));
545 static void free_stringlist(struct config
*c
,
546 const struct conf
*whoami
) {
548 struct stringlist
*sl
= ADDRESS(c
, struct stringlist
);
550 for(n
= 0; n
< sl
->n
; ++n
)
555 static void free_stringlistlist(struct config
*c
,
556 const struct conf
*whoami
) {
558 struct stringlistlist
*sll
= ADDRESS(c
, struct stringlistlist
);
559 struct stringlist
*sl
;
561 for(n
= 0; n
< sll
->n
; ++n
) {
563 for(m
= 0; m
< sl
->n
; ++m
)
570 static void free_collectionlist(struct config
*c
,
571 const struct conf
*whoami
) {
572 struct collectionlist
*cll
= ADDRESS(c
, struct collectionlist
);
573 struct collection
*cl
;
576 for(n
= 0; n
< cll
->n
; ++n
) {
585 static void free_namepartlist(struct config
*c
,
586 const struct conf
*whoami
) {
587 struct namepartlist
*npl
= ADDRESS(c
, struct namepartlist
);
591 for(n
= 0; n
< npl
->n
; ++n
) {
594 pcre_free(np
->re
); /* ...whatever pcre_free is set to. */
601 static void free_transformlist(struct config
*c
,
602 const struct conf
*whoami
) {
603 struct transformlist
*tl
= ADDRESS(c
, struct transformlist
);
607 for(n
= 0; n
< tl
->n
; ++n
) {
610 pcre_free(t
->re
); /* ...whatever pcre_free is set to. */
617 /* configuration types */
619 static const struct conftype
620 type_signal
= { set_signal
, free_none
},
621 type_collections
= { set_collections
, free_collectionlist
},
622 type_boolean
= { set_boolean
, free_none
},
623 type_string
= { set_string
, free_string
},
624 type_stringlist
= { set_stringlist
, free_stringlist
},
625 type_integer
= { set_integer
, free_none
},
626 type_stringlist_accum
= { set_stringlist_accum
, free_stringlistlist
},
627 type_string_accum
= { set_string_accum
, free_stringlist
},
628 type_sample_format
= { set_sample_format
, free_none
},
629 type_restrict
= { set_restrict
, free_none
},
630 type_namepart
= { set_namepart
, free_namepartlist
},
631 type_transform
= { set_transform
, free_transformlist
},
632 type_rights
= { set_rights
, free_none
},
633 type_backend
= { set_backend
, free_none
};
635 /* specific validation routine */
637 #define VALIDATE_FILE(test, what) do { \
641 for(n = 0; n < nvec; ++n) { \
642 if(stat(vec[n], &sb) < 0) { \
643 error(errno, "%s:%d: %s", cs->path, cs->line, vec[n]); \
646 if(!test(sb.st_mode)) { \
647 error(0, "%s:%d: %s is not a %s", \
648 cs->path, cs->line, vec[n], what); \
654 static int validate_isabspath(const struct config_state
*cs
,
655 int nvec
, char **vec
) {
658 for(n
= 0; n
< nvec
; ++n
)
659 if(vec
[n
][0] != '/') {
660 error(errno
, "%s:%d: %s: not an absolute path",
661 cs
->path
, cs
->line
, vec
[n
]);
667 static int validate_isdir(const struct config_state
*cs
,
668 int nvec
, char **vec
) {
669 VALIDATE_FILE(S_ISDIR
, "directory");
673 static int validate_isreg(const struct config_state
*cs
,
674 int nvec
, char **vec
) {
675 VALIDATE_FILE(S_ISREG
, "regular file");
679 static int validate_player(const struct config_state
*cs
,
681 char attribute((unused
)) **vec
) {
683 error(0, "%s:%d: should be at least 'player PATTERN MODULE'",
690 static int validate_tracklength(const struct config_state
*cs
,
692 char attribute((unused
)) **vec
) {
694 error(0, "%s:%d: should be at least 'tracklength PATTERN MODULE'",
701 static int validate_allow(const struct config_state
*cs
,
703 char attribute((unused
)) **vec
) {
705 error(0, "%s:%d: must be 'allow NAME PASS'", cs
->path
, cs
->line
);
711 static int validate_non_negative(const struct config_state
*cs
,
712 int nvec
, char **vec
) {
716 error(0, "%s:%d: missing argument", cs
->path
, cs
->line
);
720 error(0, "%s:%d: too many arguments", cs
->path
, cs
->line
);
723 if(xstrtol(&n
, vec
[0], 0, 0)) {
724 error(0, "%s:%d: %s", cs
->path
, cs
->line
, strerror(errno
));
728 error(0, "%s:%d: must not be negative", cs
->path
, cs
->line
);
734 static int validate_positive(const struct config_state
*cs
,
735 int nvec
, char **vec
) {
739 error(0, "%s:%d: missing argument", cs
->path
, cs
->line
);
743 error(0, "%s:%d: too many arguments", cs
->path
, cs
->line
);
746 if(xstrtol(&n
, vec
[0], 0, 0)) {
747 error(0, "%s:%d: %s", cs
->path
, cs
->line
, strerror(errno
));
751 error(0, "%s:%d: must be positive", cs
->path
, cs
->line
);
757 static int validate_isauser(const struct config_state
*cs
,
758 int attribute((unused
)) nvec
,
762 if(!(pw
= getpwnam(vec
[0]))) {
763 error(0, "%s:%d: no such user as '%s'", cs
->path
, cs
->line
, vec
[0]);
769 static int validate_sample_format(const struct config_state
*cs
,
770 int attribute((unused
)) nvec
,
772 return parse_sample_format(cs
, 0, nvec
, vec
);
775 static int validate_any(const struct config_state
attribute((unused
)) *cs
,
776 int attribute((unused
)) nvec
,
777 char attribute((unused
)) **vec
) {
781 static int validate_url(const struct config_state
attribute((unused
)) *cs
,
782 int attribute((unused
)) nvec
,
786 /* absoluteURI = scheme ":" ( hier_part | opaque_part )
787 scheme = alpha *( alpha | digit | "+" | "-" | "." ) */
789 n
= strspn(s
, ("abcdefghijklmnopqrstuvwxyz"
790 "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
793 error(0, "%s:%d: invalid url '%s'", cs
->path
, cs
->line
, vec
[0]);
796 if(!strncmp(s
, "http:", 5)
797 || !strncmp(s
, "https:", 6)) {
799 /* we only do a rather cursory check */
800 if(strncmp(s
, "//", 2)) {
801 error(0, "%s:%d: invalid url '%s'", cs
->path
, cs
->line
, vec
[0]);
808 static int validate_alias(const struct config_state
*cs
,
812 int in_brackets
= 0, c
;
815 error(0, "%s:%d: missing argument", cs
->path
, cs
->line
);
819 error(0, "%s:%d: too many arguments", cs
->path
, cs
->line
);
823 while((c
= (unsigned char)*s
++)) {
827 else if(!isalnum(c
)) {
828 error(0, "%s:%d: invalid part name in alias expansion in '%s'",
829 cs
->path
, cs
->line
, vec
[0]);
837 } else if(c
== '\\') {
838 if(!(c
= (unsigned char)*s
++)) {
839 error(0, "%s:%d: unterminated escape in alias expansion in '%s'",
840 cs
->path
, cs
->line
, vec
[0]);
842 } else if(c
!= '\\' && c
!= '{') {
843 error(0, "%s:%d: invalid escape in alias expansion in '%s'",
844 cs
->path
, cs
->line
, vec
[0]);
852 error(0, "%s:%d: unterminated part name in alias expansion in '%s'",
853 cs
->path
, cs
->line
, vec
[0]);
859 static int validate_addrport(const struct config_state
attribute((unused
)) *cs
,
861 char attribute((unused
)) **vec
) {
864 error(0, "%s:%d: missing address",
868 error(0, "%s:%d: missing port name/number",
874 error(0, "%s:%d: expected ADDRESS PORT",
880 static int validate_port(const struct config_state
attribute((unused
)) *cs
,
882 char attribute((unused
)) **vec
) {
885 error(0, "%s:%d: missing address",
892 error(0, "%s:%d: expected [ADDRESS] PORT",
898 static int validate_algo(const struct config_state
attribute((unused
)) *cs
,
902 error(0, "%s:%d: invalid algorithm specification", cs
->path
, cs
->line
);
905 if(!valid_authhash(vec
[0])) {
906 error(0, "%s:%d: unsuported algorithm '%s'", cs
->path
, cs
->line
, vec
[0]);
912 /** @brief Item name and and offset */
913 #define C(x) #x, offsetof(struct config, x)
914 /** @brief Item name and and offset */
915 #define C2(x,y) #x, offsetof(struct config, y)
917 /** @brief All configuration items */
918 static const struct conf conf
[] = {
919 { C(alias
), &type_string
, validate_alias
},
920 { C(allow
), &type_stringlist_accum
, validate_allow
},
921 { C(api
), &type_backend
, validate_any
},
922 { C(authorization_algorithm
), &type_string
, validate_algo
},
923 { C(broadcast
), &type_stringlist
, validate_addrport
},
924 { C(broadcast_from
), &type_stringlist
, validate_addrport
},
925 { C(channel
), &type_string
, validate_any
},
926 { C(checkpoint_kbyte
), &type_integer
, validate_non_negative
},
927 { C(checkpoint_min
), &type_integer
, validate_non_negative
},
928 { C(collection
), &type_collections
, validate_any
},
929 { C(connect
), &type_stringlist
, validate_addrport
},
930 { C(cookie_login_lifetime
), &type_integer
, validate_positive
},
931 { C(cookie_key_lifetime
), &type_integer
, validate_positive
},
932 { C(dbversion
), &type_integer
, validate_positive
},
933 { C(default_rights
), &type_rights
, validate_any
},
934 { C(device
), &type_string
, validate_any
},
935 { C(gap
), &type_integer
, validate_non_negative
},
936 { C(history
), &type_integer
, validate_positive
},
937 { C(home
), &type_string
, validate_isabspath
},
938 { C(listen
), &type_stringlist
, validate_port
},
939 { C(lock
), &type_boolean
, validate_any
},
940 { C(mail_sender
), &type_string
, validate_any
},
941 { C(mixer
), &type_string
, validate_any
},
942 { C(multicast_loop
), &type_boolean
, validate_any
},
943 { C(multicast_ttl
), &type_integer
, validate_non_negative
},
944 { C(namepart
), &type_namepart
, validate_any
},
945 { C(new_bias
), &type_integer
, validate_positive
},
946 { C(new_bias_age
), &type_integer
, validate_positive
},
947 { C(new_max
), &type_integer
, validate_positive
},
948 { C2(nice
, nice_rescan
), &type_integer
, validate_non_negative
},
949 { C(nice_rescan
), &type_integer
, validate_non_negative
},
950 { C(nice_server
), &type_integer
, validate_any
},
951 { C(nice_speaker
), &type_integer
, validate_any
},
952 { C(noticed_history
), &type_integer
, validate_positive
},
953 { C(password
), &type_string
, validate_any
},
954 { C(player
), &type_stringlist_accum
, validate_player
},
955 { C(plugins
), &type_string_accum
, validate_isdir
},
956 { C(prefsync
), &type_integer
, validate_positive
},
957 { C(queue_pad
), &type_integer
, validate_positive
},
958 { C(replay_min
), &type_integer
, validate_non_negative
},
959 { C(refresh
), &type_integer
, validate_positive
},
960 { C(reminder_interval
), &type_integer
, validate_positive
},
961 { C(remote_userman
), &type_boolean
, validate_any
},
962 { C2(restrict
, restrictions
), &type_restrict
, validate_any
},
963 { C(sample_format
), &type_sample_format
, validate_sample_format
},
964 { C(scratch
), &type_string_accum
, validate_isreg
},
965 { C(sendmail
), &type_string
, validate_isabspath
},
966 { C(short_display
), &type_integer
, validate_positive
},
967 { C(signal
), &type_signal
, validate_any
},
968 { C(smtp_server
), &type_string
, validate_any
},
969 { C(sox_generation
), &type_integer
, validate_non_negative
},
970 { C2(speaker_backend
, api
), &type_backend
, validate_any
},
971 { C(speaker_command
), &type_string
, validate_any
},
972 { C(stopword
), &type_string_accum
, validate_any
},
973 { C(templates
), &type_string_accum
, validate_isdir
},
974 { C(tracklength
), &type_stringlist_accum
, validate_tracklength
},
975 { C(transform
), &type_transform
, validate_any
},
976 { C(trust
), &type_string_accum
, validate_any
},
977 { C(url
), &type_string
, validate_url
},
978 { C(user
), &type_string
, validate_isauser
},
979 { C(username
), &type_string
, validate_any
},
982 /** @brief Find a configuration item's definition by key */
983 static const struct conf
*find(const char *key
) {
986 if((n
= TABLE_FIND(conf
, name
, key
)) < 0)
991 /** @brief Set a new configuration value */
992 static int config_set(const struct config_state
*cs
,
993 int nvec
, char **vec
) {
994 const struct conf
*which
;
996 D(("config_set %s", vec
[0]));
997 if(!(which
= find(vec
[0]))) {
998 error(0, "%s:%d: unknown configuration key '%s'",
999 cs
->path
, cs
->line
, vec
[0]);
1002 return (which
->validate(cs
, nvec
- 1, vec
+ 1)
1003 || which
->type
->set(cs
, which
, nvec
- 1, vec
+ 1));
1006 static int config_set_args(const struct config_state
*cs
,
1007 const char *which
, ...) {
1013 vector_append(v
, (char *)which
);
1014 va_start(ap
, which
);
1015 while((s
= va_arg(ap
, char *)))
1016 vector_append(v
, s
);
1018 vector_terminate(v
);
1019 return config_set(cs
, v
->nvec
, v
->vec
);
1022 /** @brief Error callback used by config_include() */
1023 static void config_error(const char *msg
, void *u
) {
1024 const struct config_state
*cs
= u
;
1026 error(0, "%s:%d: %s", cs
->path
, cs
->line
, msg
);
1029 /** @brief Include a file by name */
1030 static int config_include(struct config
*c
, const char *path
) {
1032 char *buffer
, *inputbuffer
, **vec
;
1034 struct config_state cs
;
1039 D(("%s: reading configuration", path
));
1040 if(!(fp
= fopen(path
, "r"))) {
1041 error(errno
, "error opening %s", path
);
1044 while(!inputline(path
, fp
, &inputbuffer
, '\n')) {
1046 if(!(buffer
= mb2utf8(inputbuffer
))) {
1047 error(errno
, "%s:%d: cannot convert to UTF-8", cs
.path
, cs
.line
);
1053 if(!(vec
= split(buffer
, &n
, SPLIT_COMMENTS
|SPLIT_QUOTES
,
1054 config_error
, &cs
))) {
1060 if(!strcmp(vec
[0], "include")) {
1062 error(0, "%s:%d: must be 'include PATH'", cs
.path
, cs
.line
);
1065 config_include(c
, vec
[1]);
1067 ret
|= config_set(&cs
, n
, vec
);
1069 for(n
= 0; vec
[n
]; ++n
) xfree(vec
[n
]);
1074 error(errno
, "error reading %s", path
);
1081 static const char *const default_stopwords
[] = {
1140 #define NDEFAULT_STOPWORDS (sizeof default_stopwords / sizeof *default_stopwords)
1142 static const char *const default_players
[] = {
1148 #define NDEFAULT_PLAYERS (sizeof default_players / sizeof *default_players)
1150 /** @brief Make a new default configuration */
1151 static struct config
*config_default(void) {
1152 struct config
*c
= xmalloc(sizeof *c
);
1153 const char *logname
;
1155 struct config_state cs
;
1158 cs
.path
= "<internal>";
1161 /* Strings had better be xstrdup'd as they will get freed at some point. */
1164 c
->home
= xstrdup(pkgstatedir
);
1165 if(!(pw
= getpwuid(getuid())))
1166 fatal(0, "cannot determine our username");
1167 logname
= pw
->pw_name
;
1168 c
->username
= xstrdup(logname
);
1171 c
->signal
= SIGKILL
;
1172 c
->alias
= xstrdup("{/artist}{/album}{/title}{ext}");
1174 c
->device
= xstrdup("default");
1175 c
->nice_rescan
= 10;
1176 c
->speaker_command
= 0;
1177 c
->sample_format
.bits
= 16;
1178 c
->sample_format
.rate
= 44100;
1179 c
->sample_format
.channels
= 2;
1180 c
->sample_format
.endian
= ENDIAN_NATIVE
;
1182 c
->replay_min
= 8 * 3600;
1184 c
->multicast_ttl
= 1;
1185 c
->multicast_loop
= 1;
1186 c
->authorization_algorithm
= xstrdup("sha1");
1187 c
->noticed_history
= 31;
1188 c
->short_display
= 32;
1192 c
->cookie_login_lifetime
= 86400;
1193 c
->cookie_key_lifetime
= 86400 * 7;
1194 if(sendmail_binary
[0] && strcmp(sendmail_binary
, "none"))
1195 c
->sendmail
= xstrdup(sendmail_binary
);
1196 c
->smtp_server
= xstrdup("127.0.0.1");
1198 c
->reminder_interval
= 600; /* 10m */
1199 c
->new_bias_age
= 7 * 86400; /* 1 week */
1200 c
->new_bias
= 9000000; /* 100 times the base weight */
1201 /* Default stopwords */
1202 if(config_set(&cs
, (int)NDEFAULT_STOPWORDS
, (char **)default_stopwords
))
1204 /* Default player configuration */
1205 for(n
= 0; n
< NDEFAULT_PLAYERS
; ++n
) {
1206 if(config_set_args(&cs
, "player",
1207 default_players
[n
], "execraw", "disorder-decode", (char *)0))
1209 if(config_set_args(&cs
, "tracklength",
1210 default_players
[n
], "disorder-tracklength", (char *)0))
1216 char *config_get_file2(struct config
*c
, const char *name
) {
1219 byte_xasprintf(&s
, "%s/%s", c
->home
, name
);
1223 /** @brief Set the default configuration file */
1224 static void set_configfile(void) {
1226 byte_xasprintf(&configfile
, "%s/config", pkgconfdir
);
1229 /** @brief Free a configuration object */
1230 static void config_free(struct config
*c
) {
1234 for(n
= 0; n
< (int)(sizeof conf
/ sizeof *conf
); ++n
)
1235 conf
[n
].type
->free(c
, &conf
[n
]);
1236 for(n
= 0; n
< c
->nparts
; ++n
)
1243 /** @brief Set post-parse defaults */
1244 static void config_postdefaults(struct config
*c
,
1246 struct config_state cs
;
1247 const struct conf
*whoami
;
1250 static const char *namepart
[][4] = {
1251 { "title", "/([0-9]+ *[-:] *)?([^/]+)\\.[a-zA-Z0-9]+$", "$2", "display" },
1252 { "title", "/([^/]+)\\.[a-zA-Z0-9]+$", "$1", "sort" },
1253 { "album", "/([^/]+)/[^/]+$", "$1", "*" },
1254 { "artist", "/([^/]+)/[^/]+/[^/]+$", "$1", "*" },
1255 { "ext", "(\\.[a-zA-Z0-9]+)$", "$1", "*" },
1257 #define NNAMEPART (int)(sizeof namepart / sizeof *namepart)
1259 static const char *transform
[][5] = {
1260 { "track", "^.*/([0-9]+ *[-:] *)?([^/]+)\\.[a-zA-Z0-9]+$", "$2", "display", "" },
1261 { "track", "^.*/([^/]+)\\.[a-zA-Z0-9]+$", "$1", "sort", "" },
1262 { "dir", "^.*/([^/]+)$", "$1", "*", "" },
1263 { "dir", "^(the) ([^/]*)", "$2, $1", "sort", "i", },
1264 { "dir", "[[:punct:]]", "", "sort", "g", }
1266 #define NTRANSFORM (int)(sizeof transform / sizeof *transform)
1268 cs
.path
= "<internal>";
1271 if(!c
->namepart
.n
) {
1272 whoami
= find("namepart");
1273 for(n
= 0; n
< NNAMEPART
; ++n
)
1274 set_namepart(&cs
, whoami
, 4, (char **)namepart
[n
]);
1276 if(!c
->transform
.n
) {
1277 whoami
= find("transform");
1278 for(n
= 0; n
< NTRANSFORM
; ++n
)
1279 set_transform(&cs
, whoami
, 5, (char **)transform
[n
]);
1282 if(c
->speaker_command
)
1283 c
->api
= BACKEND_COMMAND
;
1284 else if(c
->broadcast
.n
)
1285 c
->api
= BACKEND_NETWORK
;
1287 c
->api
= DEFAULT_BACKEND
;
1290 if(c
->api
== BACKEND_COMMAND
&& !c
->speaker_command
)
1291 fatal(0, "'api command' but speaker_command is not set");
1292 if(c
->api
== BACKEND_NETWORK
&& !c
->broadcast
.n
)
1293 fatal(0, "'api network' but broadcast is not set");
1295 /* Override sample format */
1297 case BACKEND_NETWORK
:
1298 c
->sample_format
.rate
= 44100;
1299 c
->sample_format
.channels
= 2;
1300 c
->sample_format
.bits
= 16;
1301 c
->sample_format
.endian
= ENDIAN_BIG
;
1303 case BACKEND_COREAUDIO
:
1304 c
->sample_format
.rate
= 44100;
1305 c
->sample_format
.channels
= 2;
1306 c
->sample_format
.bits
= 16;
1307 c
->sample_format
.endian
= ENDIAN_NATIVE
;
1310 if(!c
->default_rights
) {
1311 rights_type r
= RIGHTS__MASK
& ~(RIGHT_ADMIN
|RIGHT_REGISTER
1313 |RIGHT_SCRATCH__MASK
1314 |RIGHT_REMOVE__MASK
);
1315 /* The idea is to approximate the meaning of the old 'restrict' directive
1316 * in the default rights if they are not overridden. */
1317 if(c
->restrictions
& RESTRICT_SCRATCH
)
1318 r
|= RIGHT_SCRATCH_MINE
|RIGHT_SCRATCH_RANDOM
;
1320 r
|= RIGHT_SCRATCH_ANY
;
1321 if(!(c
->restrictions
& RESTRICT_MOVE
))
1322 r
|= RIGHT_MOVE_ANY
;
1323 if(c
->restrictions
& RESTRICT_REMOVE
)
1324 r
|= RIGHT_REMOVE_MINE
;
1326 r
|= RIGHT_REMOVE_ANY
;
1327 c
->default_rights
= rights_string(r
);
1331 /** @brief (Re-)read the config file
1332 * @param server If set, do extra checking
1334 int config_read(int server
) {
1340 c
= config_default();
1341 /* standalone Disobedience installs might not have a global config file */
1342 if(access(configfile
, F_OK
) == 0)
1343 if(config_include(c
, configfile
))
1345 /* if we can read the private config file, do */
1346 if((privconf
= config_private())
1347 && access(privconf
, R_OK
) == 0
1348 && config_include(c
, privconf
))
1351 /* if there's a per-user system config file for this user, read it */
1352 if(config_per_user
) {
1353 if(!(pw
= getpwuid(getuid())))
1354 fatal(0, "cannot determine our username");
1355 if((privconf
= config_usersysconf(pw
))
1356 && access(privconf
, F_OK
) == 0
1357 && config_include(c
, privconf
))
1360 /* if we have a password file, read it */
1361 if((privconf
= config_userconf(0, pw
))
1362 && access(privconf
, F_OK
) == 0
1363 && config_include(c
, privconf
))
1367 /* install default namepart and transform settings */
1368 config_postdefaults(c
, server
);
1369 /* everything is good so we shall use the new config */
1370 config_free(config
);
1371 /* warn about obsolete directives */
1373 error(0, "'restrict' will be removed in a future version");
1375 error(0, "'allow' will be removed in a future version");
1377 error(0, "'trust' will be removed in a future version");
1382 /** @brief Return the path to the private configuration file */
1383 char *config_private(void) {
1387 byte_xasprintf(&s
, "%s.private", configfile
);
1391 /** @brief Return the path to user's personal configuration file */
1392 char *config_userconf(const char *home
, const struct passwd
*pw
) {
1395 if(!home
&& !pw
&& !(pw
= getpwuid(getuid())))
1396 fatal(0, "cannot determine our username");
1397 byte_xasprintf(&s
, "%s/.disorder/passwd", home ? home
: pw
->pw_dir
);
1401 /** @brief Return the path to user-specific system configuration */
1402 char *config_usersysconf(const struct passwd
*pw
) {
1406 if(!strchr(pw
->pw_name
, '/')) {
1407 byte_xasprintf(&s
, "%s.%s", configfile
, pw
->pw_name
);
1413 char *config_get_file(const char *name
) {
1414 return config_get_file2(config
, name
);