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 *protocol
, *algorithm
, *challenge
;
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)))
255 error(0, "cannot parse server greeting %s", r
);
259 if(strcmp(protocol
, "2")) {
260 error(0, "unknown protocol version: %s", protocol
);
265 if(!(nonce
= unhex(challenge
, &nl
)))
267 if(!(res
= authhash(nonce
, nl
, password
, algorithm
))) goto error
;
268 if(disorder_simple(c
, 0, "user", username
, res
, (char *)0))
270 c
->user
= xstrdup(username
);
273 if(c
->fpin
) fclose(c
->fpin
);
274 if(c
->fpout
) fclose(c
->fpout
);
275 if(fd2
!= -1) close(fd2
);
276 if(fd
!= -1) close(fd
);
280 int disorder_close(disorder_client
*c
) {
284 if(fclose(c
->fpin
) < 0) {
285 error(errno
, "error calling fclose");
291 if(fclose(c
->fpout
) < 0) {
292 error(errno
, "error calling fclose");
300 int disorder_become(disorder_client
*c
, const char *user
) {
301 if(disorder_simple(c
, 0, "become", user
, (char *)0)) return -1;
302 c
->user
= xstrdup(user
);
306 int disorder_play(disorder_client
*c
, const char *track
) {
307 return disorder_simple(c
, 0, "play", track
, (char *)0);
310 int disorder_remove(disorder_client
*c
, const char *track
) {
311 return disorder_simple(c
, 0, "remove", track
, (char *)0);
314 int disorder_move(disorder_client
*c
, const char *track
, int delta
) {
317 byte_snprintf(d
, sizeof d
, "%d", delta
);
318 return disorder_simple(c
, 0, "move", track
, d
, (char *)0);
321 int disorder_enable(disorder_client
*c
) {
322 return disorder_simple(c
, 0, "enable", (char *)0);
325 int disorder_disable(disorder_client
*c
) {
326 return disorder_simple(c
, 0, "disable", (char *)0);
329 int disorder_scratch(disorder_client
*c
, const char *id
) {
330 return disorder_simple(c
, 0, "scratch", id
, (char *)0);
333 int disorder_shutdown(disorder_client
*c
) {
334 return disorder_simple(c
, 0, "shutdown", (char *)0);
337 int disorder_reconfigure(disorder_client
*c
) {
338 return disorder_simple(c
, 0, "reconfigure", (char *)0);
341 int disorder_rescan(disorder_client
*c
) {
342 return disorder_simple(c
, 0, "rescan", (char *)0);
345 static int dequote(int rc
, char **rp
) {
348 if((rr
= split(*rp
, 0, SPLIT_QUOTES
, 0, 0)) && *rr
) {
352 error(0, "invalid reply: %s", *rp
);
357 int disorder_version(disorder_client
*c
, char **rp
) {
358 return dequote(disorder_simple(c
, rp
, "version", (char *)0), rp
);
361 static void client_error(const char *msg
,
362 void attribute((unused
)) *u
) {
363 error(0, "error parsing reply: %s", msg
);
366 int disorder_playing(disorder_client
*c
, struct queue_entry
**qp
) {
368 struct queue_entry
*q
;
370 if(disorder_simple(c
, &r
, "playing", (char *)0))
373 q
= xmalloc(sizeof *q
);
374 if(queue_unmarshall(q
, r
, client_error
, 0))
382 static int disorder_somequeue(disorder_client
*c
,
383 const char *cmd
, struct queue_entry
**qp
) {
384 struct queue_entry
*qh
, **qt
= &qh
, *q
;
387 if(disorder_simple(c
, 0, cmd
, (char *)0))
389 while(inputline(c
->ident
, c
->fpin
, &l
, '\n') >= 0) {
390 if(!strcmp(l
, ".")) {
395 q
= xmalloc(sizeof *q
);
396 if(!queue_unmarshall(q
, l
, client_error
, 0)) {
402 error(errno
, "error reading %s", c
->ident
);
404 error(0, "error reading %s: unexpected EOF", c
->ident
);
408 int disorder_recent(disorder_client
*c
, struct queue_entry
**qp
) {
409 return disorder_somequeue(c
, "recent", qp
);
412 int disorder_queue(disorder_client
*c
, struct queue_entry
**qp
) {
413 return disorder_somequeue(c
, "queue", qp
);
416 static int readlist(disorder_client
*c
, char ***vecp
, int *nvecp
) {
421 while(inputline(c
->ident
, c
->fpin
, &l
, '\n') >= 0) {
422 if(!strcmp(l
, ".")) {
423 vector_terminate(&v
);
429 vector_append(&v
, l
+ (*l
== '.'));
432 error(errno
, "error reading %s", c
->ident
);
434 error(0, "error reading %s: unexpected EOF", c
->ident
);
438 static int disorder_simple_list(disorder_client
*c
,
439 char ***vecp
, int *nvecp
,
440 const char *cmd
, ...) {
445 ret
= disorder_simple_v(c
, 0, cmd
, ap
);
448 return readlist(c
, vecp
, nvecp
);
451 int disorder_directories(disorder_client
*c
, const char *dir
, const char *re
,
452 char ***vecp
, int *nvecp
) {
453 return disorder_simple_list(c
, vecp
, nvecp
, "dirs", dir
, re
, (char *)0);
456 int disorder_files(disorder_client
*c
, const char *dir
, const char *re
,
457 char ***vecp
, int *nvecp
) {
458 return disorder_simple_list(c
, vecp
, nvecp
, "files", dir
, re
, (char *)0);
461 int disorder_allfiles(disorder_client
*c
, const char *dir
, const char *re
,
462 char ***vecp
, int *nvecp
) {
463 return disorder_simple_list(c
, vecp
, nvecp
, "allfiles", dir
, re
, (char *)0);
466 char *disorder_user(disorder_client
*c
) {
470 int disorder_set(disorder_client
*c
, const char *track
,
471 const char *key
, const char *value
) {
472 return disorder_simple(c
, 0, "set", track
, key
, value
, (char *)0);
475 int disorder_unset(disorder_client
*c
, const char *track
,
477 return disorder_simple(c
, 0, "unset", track
, key
, (char *)0);
480 int disorder_get(disorder_client
*c
,
481 const char *track
, const char *key
, char **valuep
) {
482 return dequote(disorder_simple(c
, valuep
, "get", track
, key
, (char *)0),
486 static void pref_error_handler(const char *msg
,
487 void attribute((unused
)) *u
) {
488 error(0, "error handling 'prefs' reply: %s", msg
);
491 int disorder_prefs(disorder_client
*c
, const char *track
, struct kvp
**kp
) {
496 if(disorder_simple_list(c
, &vec
, &nvec
, "prefs", track
, (char *)0))
498 for(n
= 0; n
< nvec
; ++n
) {
499 if(!(pvec
= split(vec
[n
], &npvec
, SPLIT_QUOTES
, pref_error_handler
, 0)))
502 pref_error_handler("malformed response", 0);
505 *kp
= k
= xmalloc(sizeof *k
);
514 static int boolean(const char *cmd
, const char *value
,
516 if(!strcmp(value
, "yes")) *flagp
= 1;
517 else if(!strcmp(value
, "no")) *flagp
= 0;
519 error(0, "malformed response to '%s'", cmd
);
525 int disorder_exists(disorder_client
*c
, const char *track
, int *existsp
) {
528 if(disorder_simple(c
, &v
, "exists", track
, (char *)0)) return -1;
529 return boolean("exists", v
, existsp
);
532 int disorder_enabled(disorder_client
*c
, int *enabledp
) {
535 if(disorder_simple(c
, &v
, "enabled", (char *)0)) return -1;
536 return boolean("enabled", v
, enabledp
);
539 int disorder_length(disorder_client
*c
, const char *track
,
543 if(disorder_simple(c
, &value
, "length", track
, (char *)0)) return -1;
544 *valuep
= atol(value
);
548 int disorder_search(disorder_client
*c
, const char *terms
,
549 char ***vecp
, int *nvecp
) {
550 return disorder_simple_list(c
, vecp
, nvecp
, "search", terms
, (char *)0);
553 int disorder_random_enable(disorder_client
*c
) {
554 return disorder_simple(c
, 0, "random-enable", (char *)0);
557 int disorder_random_disable(disorder_client
*c
) {
558 return disorder_simple(c
, 0, "random-disable", (char *)0);
561 int disorder_random_enabled(disorder_client
*c
, int *enabledp
) {
564 if(disorder_simple(c
, &v
, "random-enabled", (char *)0)) return -1;
565 return boolean("random-enabled", v
, enabledp
);
568 int disorder_stats(disorder_client
*c
,
569 char ***vecp
, int *nvecp
) {
570 return disorder_simple_list(c
, vecp
, nvecp
, "stats", (char *)0);
573 int disorder_set_volume(disorder_client
*c
, int left
, int right
) {
576 if(byte_asprintf(&ls
, "%d", left
) < 0
577 || byte_asprintf(&rs
, "%d", right
) < 0)
579 if(disorder_simple(c
, 0, "volume", ls
, rs
, (char *)0)) return -1;
583 int disorder_get_volume(disorder_client
*c
, int *left
, int *right
) {
586 if(disorder_simple(c
, &r
, "volume", (char *)0)) return -1;
587 if(sscanf(r
, "%d %d", left
, right
) != 2) {
588 error(0, "error parsing response to 'volume': '%s'", r
);
594 int disorder_log(disorder_client
*c
, struct sink
*s
) {
597 if(disorder_simple(c
, 0, "log", (char *)0)) return -1;
598 while(inputline(c
->ident
, c
->fpin
, &l
, '\n') >= 0 && strcmp(l
, "."))
599 if(sink_printf(s
, "%s\n", l
) < 0) return -1;
600 if(ferror(c
->fpin
) || feof(c
->fpin
)) return -1;
604 int disorder_part(disorder_client
*c
, char **partp
,
605 const char *track
, const char *context
, const char *part
) {
606 return dequote(disorder_simple(c
, partp
, "part",
607 track
, context
, part
, (char *)0), partp
);
610 int disorder_resolve(disorder_client
*c
, char **trackp
, const char *track
) {
611 return dequote(disorder_simple(c
, trackp
, "resolve", track
, (char *)0),
615 int disorder_pause(disorder_client
*c
) {
616 return disorder_simple(c
, 0, "pause", (char *)0);
619 int disorder_resume(disorder_client
*c
) {
620 return disorder_simple(c
, 0, "resume", (char *)0);
623 int disorder_tags(disorder_client
*c
,
624 char ***vecp
, int *nvecp
) {
625 return disorder_simple_list(c
, vecp
, nvecp
, "tags", (char *)0);
628 int disorder_users(disorder_client
*c
,
629 char ***vecp
, int *nvecp
) {
630 return disorder_simple_list(c
, vecp
, nvecp
, "users", (char *)0);
633 /** @brief Get recentl added tracks
635 * @param vecp Where to store pointer to list
636 * @param nvecp Where to store count
637 * @param max Maximum tracks to fetch, or 0 for all available
638 * @return 0 on success, non-0 on error
640 int disorder_new_tracks(disorder_client
*c
,
641 char ***vecp
, int *nvecp
,
645 sprintf(limit
, "%d", max
);
646 return disorder_simple_list(c
, vecp
, nvecp
, "new", limit
, (char *)0);
649 int disorder_set_global(disorder_client
*c
,
650 const char *key
, const char *value
) {
651 return disorder_simple(c
, 0, "set-global", key
, value
, (char *)0);
654 int disorder_unset_global(disorder_client
*c
, const char *key
) {
655 return disorder_simple(c
, 0, "unset-global", key
, (char *)0);
658 int disorder_get_global(disorder_client
*c
, const char *key
, char **valuep
) {
659 return dequote(disorder_simple(c
, valuep
, "get-global", key
, (char *)0),
663 int disorder_rtp_address(disorder_client
*c
, char **addressp
, char **portp
) {
668 if((rc
= disorder_simple(c
, &r
, "rtp-address", (char *)0)))
670 vec
= split(r
, &n
, SPLIT_QUOTES
, 0, 0);
672 error(0, "malformed rtp-address reply");
680 int disorder_adduser(disorder_client
*c
,
681 const char *user
, const char *password
) {
682 return disorder_simple(c
, 0, "adduser", user
, password
, (char *)0);
685 int disorder_deluser(disorder_client
*c
, const char *user
) {
686 return disorder_simple(c
, 0, "deluser", user
, (char *)0);
689 int disorder_userinfo(disorder_client
*c
, const char *user
, const char *key
,
691 return dequote(disorder_simple(c
, valuep
, "userinfo", user
, key
, (char *)0),
695 int disorder_edituser(disorder_client
*c
, const char *user
,
696 const char *key
, const char *value
) {
697 return disorder_simple(c
, 0, "edituser", user
, key
, value
, (char *)0);
700 int disorder_register(disorder_client
*c
, const char *user
,
701 const char *password
, const char *email
,
703 return dequote(disorder_simple(c
, confirmp
, "register",
704 user
, password
, email
, (char *)0),
708 int disorder_confirm(disorder_client
*c
, const char *confirm
) {
709 return disorder_simple(c
, 0, "confirm", confirm
, (char *)0);