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,
670 return disorder_simple(c, valuep, "userinfo", user, key, (char *)0);
673 int disorder_edituser(disorder_client *c, const char *user,
674 const char *key, const char *value) {
675 return disorder_simple(c, 0, "edituser", user, key, value, (char *)0);