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"
55 struct disorder_client
{
62 disorder_client
*disorder_new(int verbose
) {
63 disorder_client
*c
= xmalloc(sizeof (struct disorder_client
));
69 /* read a response line.
70 * If @rp@ is not a null pointer, returns the whole response through it.
71 * Return value is the response code, or -1 on error. */
72 static int response(disorder_client
*c
, char **rp
) {
75 if(inputline(c
->ident
, c
->fpin
, &r
, '\n'))
77 D(("response: %s", r
));
80 if(r
[0] >= '0' && r
[0] <= '9'
81 && r
[1] >= '0' && r
[1] <= '9'
82 && r
[2] >= '0' && r
[2] <= '9'
84 return (r
[0] * 10 + r
[1]) * 10 + r
[2] - 111 * '0';
86 error(0, "invalid reply format from %s", c
->ident
);
92 * If @rp@ is not a null pointer then the response text (excluding
93 * the status code) is returned through it, UNLESS the response code
95 * Return value is 0 for 2xx responses and -1 otherwise.
97 static int check_response(disorder_client
*c
, char **rp
) {
101 if((rc
= response(c
, &r
)) == -1)
103 else if(rc
/ 100 == 2) {
105 *rp
= (rc
% 10 == 9) ?
0 : xstrdup(r
+ 4);
109 error(0, "from %s: %s", c
->ident
, utf82mb(r
));
114 static int disorder_simple_v(disorder_client
*c
,
116 const char *cmd
, va_list ap
) {
122 dynstr_append_string(&d
, cmd
);
123 while((arg
= va_arg(ap
, const char *))) {
124 dynstr_append(&d
, ' ');
125 dynstr_append_string(&d
, quoteutf8(arg
));
127 dynstr_append(&d
, '\n');
128 dynstr_terminate(&d
);
129 D(("command: %s", d
.vec
));
130 if(fputs(d
.vec
, c
->fpout
) < 0 || fflush(c
->fpout
)) {
131 error(errno
, "error writing to %s", c
->ident
);
135 return check_response(c
, rp
);
138 /* Execute a simple command with any number of arguments.
139 * @rp@ and return value as for check_response().
141 static int disorder_simple(disorder_client
*c
,
143 const char *cmd
, ...) {
148 ret
= disorder_simple_v(c
, rp
, cmd
, ap
);
153 static int connect_sock(void *vc
,
154 const struct sockaddr
*sa
,
157 const char *username
, *password
;
158 disorder_client
*c
= vc
;
160 if(!(username
= config
->username
)) {
161 error(0, "no username configured");
164 password
= config
->password
;
166 /* Maybe we can read the database */
167 /* TODO failure to open the database should not be fatal */
168 trackdb_init(TRACKDB_NO_RECOVER
|TRACKDB_NO_UPGRADE
);
169 trackdb_open(TRACKDB_READ_ONLY
);
170 password
= trackdb_get_password(username
);
175 error(0, "no password configured");
178 return disorder_connect_sock(c
, sa
, len
, username
, password
, ident
);
181 int disorder_connect(disorder_client
*c
) {
182 return with_sockaddr(c
, connect_sock
);
185 static int check_running(void attribute((unused
)) *c
,
186 const struct sockaddr
*sa
,
188 const char attribute((unused
)) *ident
) {
191 if((fd
= socket(sa
->sa_family
, SOCK_STREAM
, 0)) < 0)
192 fatal(errno
, "error calling socket");
193 if(connect(fd
, sa
, len
) < 0) {
194 if(errno
== ECONNREFUSED
|| errno
== ENOENT
)
197 fatal(errno
, "error calling connect");
204 int disorder_running(disorder_client
*c
) {
205 return with_sockaddr(c
, check_running
);
208 int disorder_connect_sock(disorder_client
*c
,
209 const struct sockaddr
*sa
,
211 const char *username
,
212 const char *password
,
214 int fd
= -1, fd2
= -1, nrvec
;
215 unsigned char *nonce
;
219 const char *algo
= "SHA1";
222 error(0, "no password found");
225 c
->fpin
= c
->fpout
= 0;
226 if((fd
= socket(sa
->sa_family
, SOCK_STREAM
, 0)) < 0) {
227 error(errno
, "error calling socket");
230 if(connect(fd
, sa
, len
) < 0) {
231 error(errno
, "error calling connect");
234 if((fd2
= dup(fd
)) < 0) {
235 error(errno
, "error calling dup");
238 if(!(c
->fpin
= fdopen(fd
, "rb"))) {
239 error(errno
, "error calling fdopen");
243 if(!(c
->fpout
= fdopen(fd2
, "wb"))) {
244 error(errno
, "error calling fdopen");
248 c
->ident
= xstrdup(ident
);
249 if(disorder_simple(c
, &r
, 0, (const char *)0))
251 if(!(rvec
= split(r
, &nrvec
, SPLIT_QUOTES
, 0, 0)))
259 if(!(nonce
= unhex(*rvec
, &nl
)))
261 if(!(res
= authhash(nonce
, nl
, password
, algo
))) goto error
;
262 if(disorder_simple(c
, 0, "user", username
, res
, (char *)0))
264 c
->user
= xstrdup(username
);
267 if(c
->fpin
) fclose(c
->fpin
);
268 if(c
->fpout
) fclose(c
->fpout
);
269 if(fd2
!= -1) close(fd2
);
270 if(fd
!= -1) close(fd
);
274 int disorder_close(disorder_client
*c
) {
278 if(fclose(c
->fpin
) < 0) {
279 error(errno
, "error calling fclose");
285 if(fclose(c
->fpout
) < 0) {
286 error(errno
, "error calling fclose");
294 int disorder_become(disorder_client
*c
, const char *user
) {
295 if(disorder_simple(c
, 0, "become", user
, (char *)0)) return -1;
296 c
->user
= xstrdup(user
);
300 int disorder_play(disorder_client
*c
, const char *track
) {
301 return disorder_simple(c
, 0, "play", track
, (char *)0);
304 int disorder_remove(disorder_client
*c
, const char *track
) {
305 return disorder_simple(c
, 0, "remove", track
, (char *)0);
308 int disorder_move(disorder_client
*c
, const char *track
, int delta
) {
311 byte_snprintf(d
, sizeof d
, "%d", delta
);
312 return disorder_simple(c
, 0, "move", track
, d
, (char *)0);
315 int disorder_enable(disorder_client
*c
) {
316 return disorder_simple(c
, 0, "enable", (char *)0);
319 int disorder_disable(disorder_client
*c
) {
320 return disorder_simple(c
, 0, "disable", (char *)0);
323 int disorder_scratch(disorder_client
*c
, const char *id
) {
324 return disorder_simple(c
, 0, "scratch", id
, (char *)0);
327 int disorder_shutdown(disorder_client
*c
) {
328 return disorder_simple(c
, 0, "shutdown", (char *)0);
331 int disorder_reconfigure(disorder_client
*c
) {
332 return disorder_simple(c
, 0, "reconfigure", (char *)0);
335 int disorder_rescan(disorder_client
*c
) {
336 return disorder_simple(c
, 0, "rescan", (char *)0);
339 int disorder_version(disorder_client
*c
, char **rp
) {
340 return disorder_simple(c
, rp
, "version", (char *)0);
343 static void client_error(const char *msg
,
344 void attribute((unused
)) *u
) {
345 error(0, "error parsing reply: %s", msg
);
348 int disorder_playing(disorder_client
*c
, struct queue_entry
**qp
) {
350 struct queue_entry
*q
;
352 if(disorder_simple(c
, &r
, "playing", (char *)0))
355 q
= xmalloc(sizeof *q
);
356 if(queue_unmarshall(q
, r
, client_error
, 0))
364 static int disorder_somequeue(disorder_client
*c
,
365 const char *cmd
, struct queue_entry
**qp
) {
366 struct queue_entry
*qh
, **qt
= &qh
, *q
;
369 if(disorder_simple(c
, 0, cmd
, (char *)0))
371 while(inputline(c
->ident
, c
->fpin
, &l
, '\n') >= 0) {
372 if(!strcmp(l
, ".")) {
377 q
= xmalloc(sizeof *q
);
378 if(!queue_unmarshall(q
, l
, client_error
, 0)) {
384 error(errno
, "error reading %s", c
->ident
);
386 error(0, "error reading %s: unexpected EOF", c
->ident
);
390 int disorder_recent(disorder_client
*c
, struct queue_entry
**qp
) {
391 return disorder_somequeue(c
, "recent", qp
);
394 int disorder_queue(disorder_client
*c
, struct queue_entry
**qp
) {
395 return disorder_somequeue(c
, "queue", qp
);
398 static int readlist(disorder_client
*c
, char ***vecp
, int *nvecp
) {
403 while(inputline(c
->ident
, c
->fpin
, &l
, '\n') >= 0) {
404 if(!strcmp(l
, ".")) {
405 vector_terminate(&v
);
411 vector_append(&v
, l
+ (*l
== '.'));
414 error(errno
, "error reading %s", c
->ident
);
416 error(0, "error reading %s: unexpected EOF", c
->ident
);
420 static int disorder_simple_list(disorder_client
*c
,
421 char ***vecp
, int *nvecp
,
422 const char *cmd
, ...) {
427 ret
= disorder_simple_v(c
, 0, cmd
, ap
);
430 return readlist(c
, vecp
, nvecp
);
433 int disorder_directories(disorder_client
*c
, const char *dir
, const char *re
,
434 char ***vecp
, int *nvecp
) {
435 return disorder_simple_list(c
, vecp
, nvecp
, "dirs", dir
, re
, (char *)0);
438 int disorder_files(disorder_client
*c
, const char *dir
, const char *re
,
439 char ***vecp
, int *nvecp
) {
440 return disorder_simple_list(c
, vecp
, nvecp
, "files", dir
, re
, (char *)0);
443 int disorder_allfiles(disorder_client
*c
, const char *dir
, const char *re
,
444 char ***vecp
, int *nvecp
) {
445 return disorder_simple_list(c
, vecp
, nvecp
, "allfiles", dir
, re
, (char *)0);
448 char *disorder_user(disorder_client
*c
) {
452 int disorder_set(disorder_client
*c
, const char *track
,
453 const char *key
, const char *value
) {
454 return disorder_simple(c
, 0, "set", track
, key
, value
, (char *)0);
457 int disorder_unset(disorder_client
*c
, const char *track
,
459 return disorder_simple(c
, 0, "unset", track
, key
, (char *)0);
462 int disorder_get(disorder_client
*c
,
463 const char *track
, const char *key
, char **valuep
) {
464 return disorder_simple(c
, valuep
, "get", track
, key
, (char *)0);
467 static void pref_error_handler(const char *msg
,
468 void attribute((unused
)) *u
) {
469 error(0, "error handling 'prefs' reply: %s", msg
);
472 int disorder_prefs(disorder_client
*c
, const char *track
, struct kvp
**kp
) {
477 if(disorder_simple_list(c
, &vec
, &nvec
, "prefs", track
, (char *)0))
479 for(n
= 0; n
< nvec
; ++n
) {
480 if(!(pvec
= split(vec
[n
], &npvec
, SPLIT_QUOTES
, pref_error_handler
, 0)))
483 pref_error_handler("malformed response", 0);
486 *kp
= k
= xmalloc(sizeof *k
);
495 static int boolean(const char *cmd
, const char *value
,
497 if(!strcmp(value
, "yes")) *flagp
= 1;
498 else if(!strcmp(value
, "no")) *flagp
= 0;
500 error(0, "malformed response to '%s'", cmd
);
506 int disorder_exists(disorder_client
*c
, const char *track
, int *existsp
) {
509 if(disorder_simple(c
, &v
, "exists", track
, (char *)0)) return -1;
510 return boolean("exists", v
, existsp
);
513 int disorder_enabled(disorder_client
*c
, int *enabledp
) {
516 if(disorder_simple(c
, &v
, "enabled", (char *)0)) return -1;
517 return boolean("enabled", v
, enabledp
);
520 int disorder_length(disorder_client
*c
, const char *track
,
524 if(disorder_simple(c
, &value
, "length", track
, (char *)0)) return -1;
525 *valuep
= atol(value
);
529 int disorder_search(disorder_client
*c
, const char *terms
,
530 char ***vecp
, int *nvecp
) {
531 return disorder_simple_list(c
, vecp
, nvecp
, "search", terms
, (char *)0);
534 int disorder_random_enable(disorder_client
*c
) {
535 return disorder_simple(c
, 0, "random-enable", (char *)0);
538 int disorder_random_disable(disorder_client
*c
) {
539 return disorder_simple(c
, 0, "random-disable", (char *)0);
542 int disorder_random_enabled(disorder_client
*c
, int *enabledp
) {
545 if(disorder_simple(c
, &v
, "random-enabled", (char *)0)) return -1;
546 return boolean("random-enabled", v
, enabledp
);
549 int disorder_stats(disorder_client
*c
,
550 char ***vecp
, int *nvecp
) {
551 return disorder_simple_list(c
, vecp
, nvecp
, "stats", (char *)0);
554 int disorder_set_volume(disorder_client
*c
, int left
, int right
) {
557 if(byte_asprintf(&ls
, "%d", left
) < 0
558 || byte_asprintf(&rs
, "%d", right
) < 0)
560 if(disorder_simple(c
, 0, "volume", ls
, rs
, (char *)0)) return -1;
564 int disorder_get_volume(disorder_client
*c
, int *left
, int *right
) {
567 if(disorder_simple(c
, &r
, "volume", (char *)0)) return -1;
568 if(sscanf(r
, "%d %d", left
, right
) != 2) {
569 error(0, "error parsing response to 'volume': '%s'", r
);
575 int disorder_log(disorder_client
*c
, struct sink
*s
) {
578 if(disorder_simple(c
, 0, "log", (char *)0)) return -1;
579 while(inputline(c
->ident
, c
->fpin
, &l
, '\n') >= 0 && strcmp(l
, "."))
580 if(sink_printf(s
, "%s\n", l
) < 0) return -1;
581 if(ferror(c
->fpin
) || feof(c
->fpin
)) return -1;
585 int disorder_part(disorder_client
*c
, char **partp
,
586 const char *track
, const char *context
, const char *part
) {
587 return disorder_simple(c
, partp
, "part", track
, context
, part
, (char *)0);
590 int disorder_resolve(disorder_client
*c
, char **trackp
, const char *track
) {
591 return disorder_simple(c
, trackp
, "resolve", track
, (char *)0);
594 int disorder_pause(disorder_client
*c
) {
595 return disorder_simple(c
, 0, "pause", (char *)0);
598 int disorder_resume(disorder_client
*c
) {
599 return disorder_simple(c
, 0, "resume", (char *)0);
602 int disorder_tags(disorder_client
*c
,
603 char ***vecp
, int *nvecp
) {
604 return disorder_simple_list(c
, vecp
, nvecp
, "tags", (char *)0);
607 /** @brief Get recentl added tracks
609 * @param vecp Where to store pointer to list
610 * @param nvecp Where to store count
611 * @param max Maximum tracks to fetch, or 0 for all available
612 * @return 0 on success, non-0 on error
614 int disorder_new_tracks(disorder_client
*c
,
615 char ***vecp
, int *nvecp
,
619 sprintf(limit
, "%d", max
);
620 return disorder_simple_list(c
, vecp
, nvecp
, "new", limit
, (char *)0);
623 int disorder_set_global(disorder_client
*c
,
624 const char *key
, const char *value
) {
625 return disorder_simple(c
, 0, "set-global", key
, value
, (char *)0);
628 int disorder_unset_global(disorder_client
*c
, const char *key
) {
629 return disorder_simple(c
, 0, "unset-global", key
, (char *)0);
632 int disorder_get_global(disorder_client
*c
, const char *key
, char **valuep
) {
633 return disorder_simple(c
, valuep
, "get-global", key
, (char *)0);
636 int disorder_rtp_address(disorder_client
*c
, char **addressp
, char **portp
) {
641 if((rc
= disorder_simple(c
, &r
, "rtp-address", (char *)0)))
643 vec
= split(r
, &n
, SPLIT_QUOTES
, 0, 0);
645 error(0, "malformed rtp-address reply");
653 int disorder_adduser(disorder_client
*c
,
654 const char *user
, const char *password
) {
655 return disorder_simple(c
, 0, "adduser", user
, password
, (char *)0);
658 int disorder_deluser(disorder_client
*c
, const char *user
) {
659 return disorder_simple(c
, 0, "deluser", user
, (char *)0);