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 const char *rights) {
683 return disorder_simple(c, 0, "adduser", user, password, rights, (char *)0);
686 int disorder_deluser(disorder_client *c, const char *user) {
687 return disorder_simple(c, 0, "deluser", user, (char *)0);
690 int disorder_userinfo(disorder_client *c, const char *user, const char *key,
692 return dequote(disorder_simple(c, valuep, "userinfo", user, key, (char *)0),
696 int disorder_edituser(disorder_client *c, const char *user,
697 const char *key, const char *value) {
698 return disorder_simple(c, 0, "edituser", user, key, value, (char *)0);
701 int disorder_register(disorder_client *c, const char *user,
702 const char *password, const char *email,
704 return dequote(disorder_simple(c, confirmp, "register",
705 user, password, email, (char *)0),
709 int disorder_confirm(disorder_client *c, const char *confirm) {
710 return disorder_simple(c, 0, "confirm", confirm, (char *)0);
713 int disorder_make_cookie(disorder_client *c, char **cookiep) {
714 return dequote(disorder_simple(c, cookiep, "make-cookie", (char *)0),