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
24 #include <sys/types.h>
25 #include <sys/socket.h>
26 #include <netinet/in.h>
38 #include "configuration.h"
45 #include "inputline.h"
52 #include "client-common.h"
56 struct disorder_client
{
63 disorder_client
*disorder_new(int verbose
) {
64 disorder_client
*c
= xmalloc(sizeof (struct disorder_client
));
70 /* read a response line.
71 * If @rp@ is not a null pointer, returns the whole response through it.
72 * Return value is the response code, or -1 on error. */
73 static int response(disorder_client
*c
, char **rp
) {
76 if(inputline(c
->ident
, c
->fpin
, &r
, '\n'))
78 D(("response: %s", r
));
81 if(r
[0] >= '0' && r
[0] <= '9'
82 && r
[1] >= '0' && r
[1] <= '9'
83 && r
[2] >= '0' && r
[2] <= '9'
85 return (r
[0] * 10 + r
[1]) * 10 + r
[2] - 111 * '0';
87 error(0, "invalid reply format from %s", c
->ident
);
93 * If @rp@ is not a null pointer then the response text (excluding
94 * the status code) is returned through it, UNLESS the response code
96 * Return value is 0 for 2xx responses and -1 otherwise.
98 static int check_response(disorder_client
*c
, char **rp
) {
102 if((rc
= response(c
, &r
)) == -1)
104 else if(rc
/ 100 == 2) {
106 *rp
= (rc
% 10 == 9) ?
0 : xstrdup(r
+ 4);
110 error(0, "from %s: %s", c
->ident
, utf82mb(r
));
115 static int disorder_simple_v(disorder_client
*c
,
117 const char *cmd
, va_list ap
) {
123 dynstr_append_string(&d
, cmd
);
124 while((arg
= va_arg(ap
, const char *))) {
125 dynstr_append(&d
, ' ');
126 dynstr_append_string(&d
, quoteutf8(arg
));
128 dynstr_append(&d
, '\n');
129 dynstr_terminate(&d
);
130 D(("command: %s", d
.vec
));
131 if(fputs(d
.vec
, c
->fpout
) < 0 || fflush(c
->fpout
)) {
132 error(errno
, "error writing to %s", c
->ident
);
136 return check_response(c
, rp
);
139 /* Execute a simple command with any number of arguments.
140 * @rp@ and return value as for check_response().
142 static int disorder_simple(disorder_client
*c
,
144 const char *cmd
, ...) {
149 ret
= disorder_simple_v(c
, rp
, cmd
, ap
);
154 static int connect_sock(void *vc
,
155 const struct sockaddr
*sa
,
158 const char *username
, *password
;
159 disorder_client
*c
= vc
;
161 if(!(username
= config
->username
)) {
162 error(0, "no username configured");
165 password
= config
->password
;
167 /* Maybe we can read the database */
168 /* TODO failure to open the database should not be fatal */
169 trackdb_init(TRACKDB_NO_RECOVER
|TRACKDB_NO_UPGRADE
);
170 trackdb_open(TRACKDB_READ_ONLY
);
171 password
= trackdb_get_password(username
);
176 error(0, "no password configured");
179 return disorder_connect_sock(c
, sa
, len
, username
, password
, ident
);
182 int disorder_connect(disorder_client
*c
) {
183 return with_sockaddr(c
, connect_sock
);
186 static int check_running(void attribute((unused
)) *c
,
187 const struct sockaddr
*sa
,
189 const char attribute((unused
)) *ident
) {
192 if((fd
= socket(sa
->sa_family
, SOCK_STREAM
, 0)) < 0)
193 fatal(errno
, "error calling socket");
194 if(connect(fd
, sa
, len
) < 0) {
195 if(errno
== ECONNREFUSED
|| errno
== ENOENT
)
198 fatal(errno
, "error calling connect");
205 int disorder_running(disorder_client
*c
) {
206 return with_sockaddr(c
, check_running
);
209 int disorder_connect_sock(disorder_client
*c
,
210 const struct sockaddr
*sa
,
212 const char *username
,
213 const char *password
,
215 int fd
= -1, fd2
= -1, nrvec
;
216 unsigned char *nonce
;
220 const char *algo
= "SHA1";
223 error(0, "no password found");
226 c
->fpin
= c
->fpout
= 0;
227 if((fd
= socket(sa
->sa_family
, SOCK_STREAM
, 0)) < 0) {
228 error(errno
, "error calling socket");
231 if(connect(fd
, sa
, len
) < 0) {
232 error(errno
, "error calling connect");
235 if((fd2
= dup(fd
)) < 0) {
236 error(errno
, "error calling dup");
239 if(!(c
->fpin
= fdopen(fd
, "rb"))) {
240 error(errno
, "error calling fdopen");
244 if(!(c
->fpout
= fdopen(fd2
, "wb"))) {
245 error(errno
, "error calling fdopen");
249 c
->ident
= xstrdup(ident
);
250 if(disorder_simple(c
, &r
, 0, (const char *)0))
252 if(!(rvec
= split(r
, &nrvec
, SPLIT_QUOTES
, 0, 0)))
260 if(!(nonce
= unhex(*rvec
, &nl
)))
262 if(!(res
= authhash(nonce
, nl
, password
, algo
))) goto error
;
263 if(disorder_simple(c
, 0, "user", username
, res
, (char *)0))
265 c
->user
= xstrdup(username
);
268 if(c
->fpin
) fclose(c
->fpin
);
269 if(c
->fpout
) fclose(c
->fpout
);
270 if(fd2
!= -1) close(fd2
);
271 if(fd
!= -1) close(fd
);
275 int disorder_close(disorder_client
*c
) {
279 if(fclose(c
->fpin
) < 0) {
280 error(errno
, "error calling fclose");
286 if(fclose(c
->fpout
) < 0) {
287 error(errno
, "error calling fclose");
295 int disorder_become(disorder_client
*c
, const char *user
) {
296 if(disorder_simple(c
, 0, "become", user
, (char *)0)) return -1;
297 c
->user
= xstrdup(user
);
301 int disorder_play(disorder_client
*c
, const char *track
) {
302 return disorder_simple(c
, 0, "play", track
, (char *)0);
305 int disorder_remove(disorder_client
*c
, const char *track
) {
306 return disorder_simple(c
, 0, "remove", track
, (char *)0);
309 int disorder_move(disorder_client
*c
, const char *track
, int delta
) {
312 byte_snprintf(d
, sizeof d
, "%d", delta
);
313 return disorder_simple(c
, 0, "move", track
, d
, (char *)0);
316 int disorder_enable(disorder_client
*c
) {
317 return disorder_simple(c
, 0, "enable", (char *)0);
320 int disorder_disable(disorder_client
*c
) {
321 return disorder_simple(c
, 0, "disable", (char *)0);
324 int disorder_scratch(disorder_client
*c
, const char *id
) {
325 return disorder_simple(c
, 0, "scratch", id
, (char *)0);
328 int disorder_shutdown(disorder_client
*c
) {
329 return disorder_simple(c
, 0, "shutdown", (char *)0);
332 int disorder_reconfigure(disorder_client
*c
) {
333 return disorder_simple(c
, 0, "reconfigure", (char *)0);
336 int disorder_rescan(disorder_client
*c
) {
337 return disorder_simple(c
, 0, "rescan", (char *)0);
340 int disorder_version(disorder_client
*c
, char **rp
) {
341 return disorder_simple(c
, rp
, "version", (char *)0);
344 static void client_error(const char *msg
,
345 void attribute((unused
)) *u
) {
346 error(0, "error parsing reply: %s", msg
);
349 int disorder_playing(disorder_client
*c
, struct queue_entry
**qp
) {
351 struct queue_entry
*q
;
353 if(disorder_simple(c
, &r
, "playing", (char *)0))
356 q
= xmalloc(sizeof *q
);
357 if(queue_unmarshall(q
, r
, client_error
, 0))
365 static int disorder_somequeue(disorder_client
*c
,
366 const char *cmd
, struct queue_entry
**qp
) {
367 struct queue_entry
*qh
, **qt
= &qh
, *q
;
370 if(disorder_simple(c
, 0, cmd
, (char *)0))
372 while(inputline(c
->ident
, c
->fpin
, &l
, '\n') >= 0) {
373 if(!strcmp(l
, ".")) {
378 q
= xmalloc(sizeof *q
);
379 if(!queue_unmarshall(q
, l
, client_error
, 0)) {
385 error(errno
, "error reading %s", c
->ident
);
387 error(0, "error reading %s: unexpected EOF", c
->ident
);
391 int disorder_recent(disorder_client
*c
, struct queue_entry
**qp
) {
392 return disorder_somequeue(c
, "recent", qp
);
395 int disorder_queue(disorder_client
*c
, struct queue_entry
**qp
) {
396 return disorder_somequeue(c
, "queue", qp
);
399 static int readlist(disorder_client
*c
, char ***vecp
, int *nvecp
) {
404 while(inputline(c
->ident
, c
->fpin
, &l
, '\n') >= 0) {
405 if(!strcmp(l
, ".")) {
406 vector_terminate(&v
);
412 vector_append(&v
, l
+ (*l
== '.'));
415 error(errno
, "error reading %s", c
->ident
);
417 error(0, "error reading %s: unexpected EOF", c
->ident
);
421 static int disorder_simple_list(disorder_client
*c
,
422 char ***vecp
, int *nvecp
,
423 const char *cmd
, ...) {
428 ret
= disorder_simple_v(c
, 0, cmd
, ap
);
431 return readlist(c
, vecp
, nvecp
);
434 int disorder_directories(disorder_client
*c
, const char *dir
, const char *re
,
435 char ***vecp
, int *nvecp
) {
436 return disorder_simple_list(c
, vecp
, nvecp
, "dirs", dir
, re
, (char *)0);
439 int disorder_files(disorder_client
*c
, const char *dir
, const char *re
,
440 char ***vecp
, int *nvecp
) {
441 return disorder_simple_list(c
, vecp
, nvecp
, "files", dir
, re
, (char *)0);
444 int disorder_allfiles(disorder_client
*c
, const char *dir
, const char *re
,
445 char ***vecp
, int *nvecp
) {
446 return disorder_simple_list(c
, vecp
, nvecp
, "allfiles", dir
, re
, (char *)0);
449 char *disorder_user(disorder_client
*c
) {
453 int disorder_set(disorder_client
*c
, const char *track
,
454 const char *key
, const char *value
) {
455 return disorder_simple(c
, 0, "set", track
, key
, value
, (char *)0);
458 int disorder_unset(disorder_client
*c
, const char *track
,
460 return disorder_simple(c
, 0, "unset", track
, key
, (char *)0);
463 int disorder_get(disorder_client
*c
,
464 const char *track
, const char *key
, char **valuep
) {
465 return disorder_simple(c
, valuep
, "get", track
, key
, (char *)0);
468 static void pref_error_handler(const char *msg
,
469 void attribute((unused
)) *u
) {
470 error(0, "error handling 'prefs' reply: %s", msg
);
473 int disorder_prefs(disorder_client
*c
, const char *track
, struct kvp
**kp
) {
478 if(disorder_simple_list(c
, &vec
, &nvec
, "prefs", track
, (char *)0))
480 for(n
= 0; n
< nvec
; ++n
) {
481 if(!(pvec
= split(vec
[n
], &npvec
, SPLIT_QUOTES
, pref_error_handler
, 0)))
484 pref_error_handler("malformed response", 0);
487 *kp
= k
= xmalloc(sizeof *k
);
496 static int boolean(const char *cmd
, const char *value
,
498 if(!strcmp(value
, "yes")) *flagp
= 1;
499 else if(!strcmp(value
, "no")) *flagp
= 0;
501 error(0, "malformed response to '%s'", cmd
);
507 int disorder_exists(disorder_client
*c
, const char *track
, int *existsp
) {
510 if(disorder_simple(c
, &v
, "exists", track
, (char *)0)) return -1;
511 return boolean("exists", v
, existsp
);
514 int disorder_enabled(disorder_client
*c
, int *enabledp
) {
517 if(disorder_simple(c
, &v
, "enabled", (char *)0)) return -1;
518 return boolean("enabled", v
, enabledp
);
521 int disorder_length(disorder_client
*c
, const char *track
,
525 if(disorder_simple(c
, &value
, "length", track
, (char *)0)) return -1;
526 *valuep
= atol(value
);
530 int disorder_search(disorder_client
*c
, const char *terms
,
531 char ***vecp
, int *nvecp
) {
532 return disorder_simple_list(c
, vecp
, nvecp
, "search", terms
, (char *)0);
535 int disorder_random_enable(disorder_client
*c
) {
536 return disorder_simple(c
, 0, "random-enable", (char *)0);
539 int disorder_random_disable(disorder_client
*c
) {
540 return disorder_simple(c
, 0, "random-disable", (char *)0);
543 int disorder_random_enabled(disorder_client
*c
, int *enabledp
) {
546 if(disorder_simple(c
, &v
, "random-enabled", (char *)0)) return -1;
547 return boolean("random-enabled", v
, enabledp
);
550 int disorder_stats(disorder_client
*c
,
551 char ***vecp
, int *nvecp
) {
552 return disorder_simple_list(c
, vecp
, nvecp
, "stats", (char *)0);
555 int disorder_set_volume(disorder_client
*c
, int left
, int right
) {
558 if(byte_asprintf(&ls
, "%d", left
) < 0
559 || byte_asprintf(&rs
, "%d", right
) < 0)
561 if(disorder_simple(c
, 0, "volume", ls
, rs
, (char *)0)) return -1;
565 int disorder_get_volume(disorder_client
*c
, int *left
, int *right
) {
568 if(disorder_simple(c
, &r
, "volume", (char *)0)) return -1;
569 if(sscanf(r
, "%d %d", left
, right
) != 2) {
570 error(0, "error parsing response to 'volume': '%s'", r
);
576 int disorder_log(disorder_client
*c
, struct sink
*s
) {
579 if(disorder_simple(c
, 0, "log", (char *)0)) return -1;
580 while(inputline(c
->ident
, c
->fpin
, &l
, '\n') >= 0 && strcmp(l
, "."))
581 if(sink_printf(s
, "%s\n", l
) < 0) return -1;
582 if(ferror(c
->fpin
) || feof(c
->fpin
)) return -1;
586 int disorder_part(disorder_client
*c
, char **partp
,
587 const char *track
, const char *context
, const char *part
) {
588 return disorder_simple(c
, partp
, "part", track
, context
, part
, (char *)0);
591 int disorder_resolve(disorder_client
*c
, char **trackp
, const char *track
) {
592 return disorder_simple(c
, trackp
, "resolve", track
, (char *)0);
595 int disorder_pause(disorder_client
*c
) {
596 return disorder_simple(c
, 0, "pause", (char *)0);
599 int disorder_resume(disorder_client
*c
) {
600 return disorder_simple(c
, 0, "resume", (char *)0);
603 int disorder_tags(disorder_client
*c
,
604 char ***vecp
, int *nvecp
) {
605 return disorder_simple_list(c
, vecp
, nvecp
, "tags", (char *)0);
608 int disorder_users(disorder_client
*c
,
609 char ***vecp
, int *nvecp
) {
610 return disorder_simple_list(c
, vecp
, nvecp
, "users", (char *)0);
613 /** @brief Get recentl added tracks
615 * @param vecp Where to store pointer to list
616 * @param nvecp Where to store count
617 * @param max Maximum tracks to fetch, or 0 for all available
618 * @return 0 on success, non-0 on error
620 int disorder_new_tracks(disorder_client
*c
,
621 char ***vecp
, int *nvecp
,
625 sprintf(limit
, "%d", max
);
626 return disorder_simple_list(c
, vecp
, nvecp
, "new", limit
, (char *)0);
629 int disorder_set_global(disorder_client
*c
,
630 const char *key
, const char *value
) {
631 return disorder_simple(c
, 0, "set-global", key
, value
, (char *)0);
634 int disorder_unset_global(disorder_client
*c
, const char *key
) {
635 return disorder_simple(c
, 0, "unset-global", key
, (char *)0);
638 int disorder_get_global(disorder_client
*c
, const char *key
, char **valuep
) {
639 return disorder_simple(c
, valuep
, "get-global", key
, (char *)0);
642 int disorder_rtp_address(disorder_client
*c
, char **addressp
, char **portp
) {
647 if((rc
= disorder_simple(c
, &r
, "rtp-address", (char *)0)))
649 vec
= split(r
, &n
, SPLIT_QUOTES
, 0, 0);
651 error(0, "malformed rtp-address reply");
659 int disorder_adduser(disorder_client
*c
,
660 const char *user
, const char *password
) {
661 return disorder_simple(c
, 0, "adduser", user
, password
, (char *)0);
664 int disorder_deluser(disorder_client
*c
, const char *user
) {
665 return disorder_simple(c
, 0, "deluser", user
, (char *)0);
668 int disorder_userinfo(disorder_client
*c
, const char *user
, const char *key
) {
669 return disorder_simple(c
, 0, "userinfo", user
, key
, (char *)0);
672 int disorder_edituser(disorder_client
*c
, const char *user
,
673 const char *key
, const char *value
) {
674 return disorder_simple(c
, 0, "edituser", user
, key
, value
, (char *)0);