Commit | Line | Data |
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460b9539 | 1 | /* |
2 | * This file is part of DisOrder. | |
5aff007d | 3 | * Copyright (C) 2004-2008 Richard Kettlewell |
460b9539 | 4 | * |
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. | |
9 | * | |
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. | |
14 | * | |
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 | |
18 | * USA | |
19 | */ | |
c4e2cfdd RK |
20 | /** @file lib/client.c |
21 | * @brief Simple C client | |
22 | * | |
158d0961 | 23 | * See @ref lib/eclient.c for an asynchronous-capable client |
c4e2cfdd RK |
24 | * implementation. |
25 | */ | |
460b9539 | 26 | |
05b75f8d | 27 | #include "common.h" |
460b9539 | 28 | |
29 | #include <sys/types.h> | |
30 | #include <sys/socket.h> | |
31 | #include <netinet/in.h> | |
32 | #include <sys/un.h> | |
460b9539 | 33 | #include <unistd.h> |
34 | #include <errno.h> | |
35 | #include <netdb.h> | |
f0feb22e | 36 | #include <pcre.h> |
460b9539 | 37 | |
38 | #include "log.h" | |
39 | #include "mem.h" | |
460b9539 | 40 | #include "queue.h" |
41 | #include "client.h" | |
42 | #include "charset.h" | |
43 | #include "hex.h" | |
44 | #include "split.h" | |
45 | #include "vector.h" | |
46 | #include "inputline.h" | |
47 | #include "kvp.h" | |
48 | #include "syscalls.h" | |
49 | #include "printf.h" | |
50 | #include "sink.h" | |
51 | #include "addr.h" | |
52 | #include "authhash.h" | |
53 | #include "client-common.h" | |
5df73aeb | 54 | #include "rights.h" |
f0feb22e | 55 | #include "trackdb.h" |
758aa6c3 | 56 | #include "kvp.h" |
460b9539 | 57 | |
0590cedc | 58 | /** @brief Client handle contents */ |
460b9539 | 59 | struct disorder_client { |
0590cedc RK |
60 | /** @brief Stream to read from */ |
61 | FILE *fpin; | |
62 | /** @brief Stream to write to */ | |
63 | FILE *fpout; | |
64 | /** @brief Peer description */ | |
460b9539 | 65 | char *ident; |
0590cedc | 66 | /** @brief Username */ |
460b9539 | 67 | char *user; |
0590cedc | 68 | /** @brief Report errors to @c stderr */ |
460b9539 | 69 | int verbose; |
0590cedc | 70 | /** @brief Last error string */ |
e9e8a16d | 71 | const char *last; |
460b9539 | 72 | }; |
73 | ||
c4e2cfdd RK |
74 | /** @brief Create a new client |
75 | * @param verbose If nonzero, write extra junk to stderr | |
76 | * @return Pointer to new client | |
77 | * | |
fdf98378 | 78 | * You must call disorder_connect(), disorder_connect_user() or |
79 | * disorder_connect_cookie() to connect it. Use disorder_close() to | |
80 | * dispose of the client when finished with it. | |
c4e2cfdd | 81 | */ |
460b9539 | 82 | disorder_client *disorder_new(int verbose) { |
83 | disorder_client *c = xmalloc(sizeof (struct disorder_client)); | |
84 | ||
85 | c->verbose = verbose; | |
86 | return c; | |
87 | } | |
88 | ||
c4e2cfdd RK |
89 | /** @brief Read a response line |
90 | * @param c Client | |
91 | * @param rp Where to store response, or NULL (UTF-8) | |
92 | * @return Response code 0-999 or -1 on error | |
93 | */ | |
460b9539 | 94 | static int response(disorder_client *c, char **rp) { |
95 | char *r; | |
96 | ||
e9e8a16d RK |
97 | if(inputline(c->ident, c->fpin, &r, '\n')) { |
98 | byte_xasprintf((char **)&c->last, "input error: %s", strerror(errno)); | |
460b9539 | 99 | return -1; |
e9e8a16d | 100 | } |
460b9539 | 101 | D(("response: %s", r)); |
102 | if(rp) | |
103 | *rp = r; | |
104 | if(r[0] >= '0' && r[0] <= '9' | |
105 | && r[1] >= '0' && r[1] <= '9' | |
106 | && r[2] >= '0' && r[2] <= '9' | |
bb037be2 | 107 | && r[3] == ' ') { |
108 | c->last = r + 4; | |
460b9539 | 109 | return (r[0] * 10 + r[1]) * 10 + r[2] - 111 * '0'; |
bb037be2 | 110 | } else { |
e9e8a16d | 111 | c->last = "invalid reply format"; |
460b9539 | 112 | error(0, "invalid reply format from %s", c->ident); |
113 | return -1; | |
114 | } | |
115 | } | |
116 | ||
bb037be2 | 117 | /** @brief Return last response string |
118 | * @param c Client | |
119 | * @return Last response string (UTF-8, English) or NULL | |
120 | */ | |
121 | const char *disorder_last(disorder_client *c) { | |
122 | return c->last; | |
123 | } | |
124 | ||
c4e2cfdd RK |
125 | /** @brief Read and partially parse a response |
126 | * @param c Client | |
127 | * @param rp Where to store response text (or NULL) (UTF-8) | |
128 | * @return 0 on success, non-0 on error | |
129 | * | |
130 | * 5xx responses count as errors. | |
131 | * | |
132 | * @p rp will NOT be filled in for xx9 responses (where it is just | |
133 | * commentary for a command where it would normally be meaningful). | |
134 | * | |
135 | * NB that the response will NOT be converted to the local encoding. | |
460b9539 | 136 | */ |
137 | static int check_response(disorder_client *c, char **rp) { | |
138 | int rc; | |
139 | char *r; | |
140 | ||
141 | if((rc = response(c, &r)) == -1) | |
142 | return -1; | |
143 | else if(rc / 100 == 2) { | |
144 | if(rp) | |
145 | *rp = (rc % 10 == 9) ? 0 : xstrdup(r + 4); | |
146 | return 0; | |
147 | } else { | |
148 | if(c->verbose) | |
149 | error(0, "from %s: %s", c->ident, utf82mb(r)); | |
2bead829 | 150 | return rc; |
460b9539 | 151 | } |
152 | } | |
153 | ||
c4e2cfdd RK |
154 | /** @brief Issue a command and parse a simple response |
155 | * @param c Client | |
156 | * @param rp Where to store result, or NULL | |
157 | * @param cmd Command | |
158 | * @param ap Arguments (UTF-8), terminated by (char *)0 | |
159 | * @return 0 on success, non-0 on error | |
160 | * | |
161 | * 5xx responses count as errors. | |
162 | * | |
163 | * @p rp will NOT be filled in for xx9 responses (where it is just | |
164 | * commentary for a command where it would normally be meaningful). | |
165 | * | |
166 | * NB that the response will NOT be converted to the local encoding | |
167 | * nor will quotes be stripped. See dequote(). | |
168 | */ | |
460b9539 | 169 | static int disorder_simple_v(disorder_client *c, |
170 | char **rp, | |
171 | const char *cmd, va_list ap) { | |
172 | const char *arg; | |
173 | struct dynstr d; | |
174 | ||
62ef2216 | 175 | if(!c->fpout) { |
e9e8a16d | 176 | c->last = "not connected"; |
62ef2216 | 177 | error(0, "not connected to server"); |
178 | return -1; | |
179 | } | |
460b9539 | 180 | if(cmd) { |
181 | dynstr_init(&d); | |
182 | dynstr_append_string(&d, cmd); | |
183 | while((arg = va_arg(ap, const char *))) { | |
184 | dynstr_append(&d, ' '); | |
185 | dynstr_append_string(&d, quoteutf8(arg)); | |
186 | } | |
187 | dynstr_append(&d, '\n'); | |
188 | dynstr_terminate(&d); | |
189 | D(("command: %s", d.vec)); | |
190 | if(fputs(d.vec, c->fpout) < 0 || fflush(c->fpout)) { | |
e9e8a16d | 191 | byte_xasprintf((char **)&c->last, "write error: %s", strerror(errno)); |
460b9539 | 192 | error(errno, "error writing to %s", c->ident); |
193 | return -1; | |
194 | } | |
195 | } | |
196 | return check_response(c, rp); | |
197 | } | |
198 | ||
c4e2cfdd RK |
199 | /** @brief Issue a command and parse a simple response |
200 | * @param c Client | |
201 | * @param rp Where to store result, or NULL (UTF-8) | |
202 | * @param cmd Command | |
203 | * @return 0 on success, non-0 on error | |
204 | * | |
205 | * The remaining arguments are command arguments, terminated by (char | |
206 | * *)0. They should be in UTF-8. | |
207 | * | |
208 | * 5xx responses count as errors. | |
209 | * | |
210 | * @p rp will NOT be filled in for xx9 responses (where it is just | |
211 | * commentary for a command where it would normally be meaningful). | |
212 | * | |
213 | * NB that the response will NOT be converted to the local encoding | |
214 | * nor will quotes be stripped. See dequote(). | |
460b9539 | 215 | */ |
216 | static int disorder_simple(disorder_client *c, | |
217 | char **rp, | |
218 | const char *cmd, ...) { | |
219 | va_list ap; | |
220 | int ret; | |
221 | ||
222 | va_start(ap, cmd); | |
223 | ret = disorder_simple_v(c, rp, cmd, ap); | |
224 | va_end(ap); | |
225 | return ret; | |
226 | } | |
227 | ||
0227f67d RK |
228 | /** @brief Dequote a result string |
229 | * @param rc 0 on success, non-0 on error | |
230 | * @param rp Where result string is stored (UTF-8) | |
231 | * @return @p rc | |
232 | * | |
233 | * This is used as a wrapper around disorder_simple() to dequote | |
234 | * results in place. | |
235 | */ | |
236 | static int dequote(int rc, char **rp) { | |
237 | char **rr; | |
2bead829 | 238 | |
0227f67d RK |
239 | if(!rc) { |
240 | if((rr = split(*rp, 0, SPLIT_QUOTES, 0, 0)) && *rr) { | |
241 | *rp = *rr; | |
242 | return 0; | |
243 | } | |
244 | error(0, "invalid reply: %s", *rp); | |
460b9539 | 245 | } |
2bead829 | 246 | return rc; |
460b9539 | 247 | } |
248 | ||
0227f67d | 249 | /** @brief Generic connection routine |
319d7107 | 250 | * @param conf Configuration to follow |
c4e2cfdd | 251 | * @param c Client |
0227f67d RK |
252 | * @param username Username to log in with or NULL |
253 | * @param password Password to log in with or NULL | |
254 | * @param cookie Cookie to log in with or NULL | |
c4e2cfdd RK |
255 | * @return 0 on success, non-0 on error |
256 | * | |
0227f67d RK |
257 | * @p cookie is tried first if not NULL. If it is NULL then @p |
258 | * username must not be. If @p username is not NULL then nor may @p | |
259 | * password be. | |
c4e2cfdd | 260 | */ |
319d7107 RK |
261 | int disorder_connect_generic(struct config *conf, |
262 | disorder_client *c, | |
263 | const char *username, | |
264 | const char *password, | |
265 | const char *cookie) { | |
2bead829 | 266 | int fd = -1, fd2 = -1, nrvec, rc; |
460b9539 | 267 | unsigned char *nonce; |
268 | size_t nl; | |
269 | const char *res; | |
637fdea3 | 270 | char *r, **rvec; |
7b32e917 | 271 | const char *protocol, *algorithm, *challenge; |
0227f67d RK |
272 | struct sockaddr *sa; |
273 | socklen_t salen; | |
460b9539 | 274 | |
319d7107 | 275 | if((salen = find_server(conf, &sa, &c->ident)) == (socklen_t)-1) |
460b9539 | 276 | return -1; |
460b9539 | 277 | c->fpin = c->fpout = 0; |
278 | if((fd = socket(sa->sa_family, SOCK_STREAM, 0)) < 0) { | |
e9e8a16d | 279 | byte_xasprintf((char **)&c->last, "socket: %s", strerror(errno)); |
460b9539 | 280 | error(errno, "error calling socket"); |
281 | return -1; | |
282 | } | |
0227f67d | 283 | if(connect(fd, sa, salen) < 0) { |
e9e8a16d | 284 | byte_xasprintf((char **)&c->last, "connect: %s", strerror(errno)); |
460b9539 | 285 | error(errno, "error calling connect"); |
286 | goto error; | |
287 | } | |
288 | if((fd2 = dup(fd)) < 0) { | |
e9e8a16d | 289 | byte_xasprintf((char **)&c->last, "dup: %s", strerror(errno)); |
460b9539 | 290 | error(errno, "error calling dup"); |
291 | goto error; | |
292 | } | |
293 | if(!(c->fpin = fdopen(fd, "rb"))) { | |
e9e8a16d | 294 | byte_xasprintf((char **)&c->last, "fdopen: %s", strerror(errno)); |
460b9539 | 295 | error(errno, "error calling fdopen"); |
296 | goto error; | |
297 | } | |
298 | fd = -1; | |
299 | if(!(c->fpout = fdopen(fd2, "wb"))) { | |
e9e8a16d | 300 | byte_xasprintf((char **)&c->last, "fdopen: %s", strerror(errno)); |
460b9539 | 301 | error(errno, "error calling fdopen"); |
302 | goto error; | |
303 | } | |
304 | fd2 = -1; | |
2bead829 | 305 | if((rc = disorder_simple(c, &r, 0, (const char *)0))) |
306 | goto error_rc; | |
637fdea3 | 307 | if(!(rvec = split(r, &nrvec, SPLIT_QUOTES, 0, 0))) |
2bead829 | 308 | goto error; |
7b32e917 | 309 | if(nrvec != 3) { |
e9e8a16d | 310 | c->last = "cannot parse server greeting"; |
7b32e917 | 311 | error(0, "cannot parse server greeting %s", r); |
2bead829 | 312 | goto error; |
637fdea3 | 313 | } |
7b32e917 RK |
314 | protocol = *rvec++; |
315 | if(strcmp(protocol, "2")) { | |
e9e8a16d | 316 | c->last = "unknown protocol version"; |
7b32e917 | 317 | error(0, "unknown protocol version: %s", protocol); |
2bead829 | 318 | goto error; |
7b32e917 RK |
319 | } |
320 | algorithm = *rvec++; | |
321 | challenge = *rvec++; | |
322 | if(!(nonce = unhex(challenge, &nl))) | |
2bead829 | 323 | goto error; |
0227f67d RK |
324 | if(cookie) { |
325 | if(!dequote(disorder_simple(c, &c->user, "cookie", cookie, (char *)0), | |
326 | &c->user)) | |
327 | return 0; /* success */ | |
328 | if(!username) { | |
e9e8a16d | 329 | c->last = "cookie failed and no username"; |
0227f67d | 330 | error(0, "cookie did not work and no username available"); |
2bead829 | 331 | goto error; |
0227f67d RK |
332 | } |
333 | } | |
e9e8a16d RK |
334 | if(!(res = authhash(nonce, nl, password, algorithm))) { |
335 | c->last = "error computing authorization hash"; | |
336 | goto error; | |
337 | } | |
2bead829 | 338 | if((rc = disorder_simple(c, 0, "user", username, res, (char *)0))) |
339 | goto error_rc; | |
460b9539 | 340 | c->user = xstrdup(username); |
341 | return 0; | |
342 | error: | |
2bead829 | 343 | rc = -1; |
344 | error_rc: | |
345 | if(c->fpin) { | |
346 | fclose(c->fpin); | |
347 | c->fpin = 0; | |
348 | } | |
349 | if(c->fpout) { | |
350 | fclose(c->fpout); | |
351 | c->fpout = 0; | |
352 | } | |
460b9539 | 353 | if(fd2 != -1) close(fd2); |
354 | if(fd != -1) close(fd); | |
2bead829 | 355 | return rc; |
460b9539 | 356 | } |
357 | ||
fdf98378 | 358 | /** @brief Connect a client with a specified username and password |
359 | * @param c Client | |
360 | * @param username Username to log in with | |
361 | * @param password Password to log in with | |
362 | * @return 0 on success, non-0 on error | |
363 | */ | |
364 | int disorder_connect_user(disorder_client *c, | |
365 | const char *username, | |
366 | const char *password) { | |
319d7107 RK |
367 | return disorder_connect_generic(config, |
368 | c, | |
fdf98378 | 369 | username, |
370 | password, | |
371 | 0); | |
372 | } | |
373 | ||
0227f67d RK |
374 | /** @brief Connect a client |
375 | * @param c Client | |
376 | * @return 0 on success, non-0 on error | |
377 | * | |
378 | * The connection will use the username and password found in @ref | |
379 | * config, or directly from the database if no password is found and | |
380 | * the database is readable (usually only for root). | |
381 | */ | |
382 | int disorder_connect(disorder_client *c) { | |
383 | const char *username, *password; | |
384 | ||
385 | if(!(username = config->username)) { | |
e9e8a16d | 386 | c->last = "no username"; |
0227f67d RK |
387 | error(0, "no username configured"); |
388 | return -1; | |
389 | } | |
390 | password = config->password; | |
199c2a23 RK |
391 | /* Maybe we can read the database */ |
392 | if(!password && trackdb_readable()) { | |
0227f67d RK |
393 | trackdb_init(TRACKDB_NO_RECOVER|TRACKDB_NO_UPGRADE); |
394 | trackdb_open(TRACKDB_READ_ONLY); | |
395 | password = trackdb_get_password(username); | |
396 | trackdb_close(); | |
397 | } | |
398 | if(!password) { | |
399 | /* Oh well */ | |
e9e8a16d | 400 | c->last = "no password"; |
0227f67d RK |
401 | error(0, "no password configured"); |
402 | return -1; | |
403 | } | |
319d7107 RK |
404 | return disorder_connect_generic(config, |
405 | c, | |
0227f67d RK |
406 | username, |
407 | password, | |
408 | 0); | |
409 | } | |
410 | ||
411 | /** @brief Connect a client | |
412 | * @param c Client | |
413 | * @param cookie Cookie to log in with, or NULL | |
414 | * @return 0 on success, non-0 on error | |
415 | * | |
416 | * If @p cookie is NULL or does not work then we attempt to log in as | |
417 | * guest instead (so when the cookie expires only an extra round trip | |
418 | * is needed rathre than a complete new login). | |
419 | */ | |
420 | int disorder_connect_cookie(disorder_client *c, | |
421 | const char *cookie) { | |
319d7107 RK |
422 | return disorder_connect_generic(config, |
423 | c, | |
0227f67d RK |
424 | "guest", |
425 | "", | |
426 | cookie); | |
427 | } | |
428 | ||
c4e2cfdd RK |
429 | /** @brief Close a client |
430 | * @param c Client | |
431 | * @return 0 on succcess, non-0 on errior | |
432 | * | |
433 | * The client is still closed even on error. It might well be | |
434 | * appropriate to ignore the return value. | |
435 | */ | |
460b9539 | 436 | int disorder_close(disorder_client *c) { |
437 | int ret = 0; | |
438 | ||
439 | if(c->fpin) { | |
440 | if(fclose(c->fpin) < 0) { | |
e9e8a16d | 441 | byte_xasprintf((char **)&c->last, "fclose: %s", strerror(errno)); |
460b9539 | 442 | error(errno, "error calling fclose"); |
443 | ret = -1; | |
444 | } | |
445 | c->fpin = 0; | |
446 | } | |
447 | if(c->fpout) { | |
448 | if(fclose(c->fpout) < 0) { | |
e9e8a16d | 449 | byte_xasprintf((char **)&c->last, "fclose: %s", strerror(errno)); |
460b9539 | 450 | error(errno, "error calling fclose"); |
451 | ret = -1; | |
452 | } | |
453 | c->fpout = 0; | |
454 | } | |
0227f67d RK |
455 | c->ident = 0; |
456 | c->user = 0; | |
460b9539 | 457 | return 0; |
458 | } | |
459 | ||
c4e2cfdd RK |
460 | /** @brief Play a track |
461 | * @param c Client | |
462 | * @param track Track to play (UTF-8) | |
463 | * @return 0 on success, non-0 on error | |
464 | */ | |
460b9539 | 465 | int disorder_play(disorder_client *c, const char *track) { |
466 | return disorder_simple(c, 0, "play", track, (char *)0); | |
467 | } | |
468 | ||
c4e2cfdd RK |
469 | /** @brief Remove a track |
470 | * @param c Client | |
471 | * @param track Track to remove (UTF-8) | |
472 | * @return 0 on success, non-0 on error | |
473 | */ | |
460b9539 | 474 | int disorder_remove(disorder_client *c, const char *track) { |
475 | return disorder_simple(c, 0, "remove", track, (char *)0); | |
476 | } | |
477 | ||
c4e2cfdd RK |
478 | /** @brief Move a track |
479 | * @param c Client | |
480 | * @param track Track to move (UTF-8) | |
481 | * @param delta Distance to move by | |
482 | * @return 0 on success, non-0 on error | |
483 | */ | |
460b9539 | 484 | int disorder_move(disorder_client *c, const char *track, int delta) { |
485 | char d[16]; | |
486 | ||
487 | byte_snprintf(d, sizeof d, "%d", delta); | |
488 | return disorder_simple(c, 0, "move", track, d, (char *)0); | |
489 | } | |
490 | ||
c4e2cfdd RK |
491 | /** @brief Enable play |
492 | * @param c Client | |
493 | * @return 0 on success, non-0 on error | |
494 | */ | |
460b9539 | 495 | int disorder_enable(disorder_client *c) { |
496 | return disorder_simple(c, 0, "enable", (char *)0); | |
497 | } | |
498 | ||
c4e2cfdd RK |
499 | /** @brief Disable play |
500 | * @param c Client | |
501 | * @return 0 on success, non-0 on error | |
502 | */ | |
460b9539 | 503 | int disorder_disable(disorder_client *c) { |
504 | return disorder_simple(c, 0, "disable", (char *)0); | |
505 | } | |
506 | ||
c4e2cfdd RK |
507 | /** @brief Scratch the currently playing track |
508 | * @param id Playing track ID or NULL (UTF-8) | |
509 | * @param c Client | |
510 | * @return 0 on success, non-0 on error | |
511 | */ | |
460b9539 | 512 | int disorder_scratch(disorder_client *c, const char *id) { |
513 | return disorder_simple(c, 0, "scratch", id, (char *)0); | |
514 | } | |
515 | ||
c4e2cfdd RK |
516 | /** @brief Shut down the server |
517 | * @param c Client | |
518 | * @return 0 on success, non-0 on error | |
519 | */ | |
460b9539 | 520 | int disorder_shutdown(disorder_client *c) { |
521 | return disorder_simple(c, 0, "shutdown", (char *)0); | |
522 | } | |
523 | ||
c4e2cfdd RK |
524 | /** @brief Make the server re-read its configuration |
525 | * @param c Client | |
526 | * @return 0 on success, non-0 on error | |
527 | */ | |
460b9539 | 528 | int disorder_reconfigure(disorder_client *c) { |
529 | return disorder_simple(c, 0, "reconfigure", (char *)0); | |
530 | } | |
531 | ||
c4e2cfdd RK |
532 | /** @brief Rescan tracks |
533 | * @param c Client | |
534 | * @return 0 on success, non-0 on error | |
535 | */ | |
460b9539 | 536 | int disorder_rescan(disorder_client *c) { |
537 | return disorder_simple(c, 0, "rescan", (char *)0); | |
538 | } | |
539 | ||
c4e2cfdd RK |
540 | /** @brief Get server version number |
541 | * @param c Client | |
542 | * @param rp Where to store version string (UTF-8) | |
543 | * @return 0 on success, non-0 on error | |
544 | */ | |
460b9539 | 545 | int disorder_version(disorder_client *c, char **rp) { |
7b32e917 | 546 | return dequote(disorder_simple(c, rp, "version", (char *)0), rp); |
460b9539 | 547 | } |
548 | ||
549 | static void client_error(const char *msg, | |
550 | void attribute((unused)) *u) { | |
551 | error(0, "error parsing reply: %s", msg); | |
552 | } | |
553 | ||
c4e2cfdd RK |
554 | /** @brief Get currently playing track |
555 | * @param c Client | |
556 | * @param qp Where to store track information | |
557 | * @return 0 on success, non-0 on error | |
558 | * | |
559 | * @p qp gets NULL if no track is playing. | |
560 | */ | |
460b9539 | 561 | int disorder_playing(disorder_client *c, struct queue_entry **qp) { |
562 | char *r; | |
563 | struct queue_entry *q; | |
2bead829 | 564 | int rc; |
460b9539 | 565 | |
2bead829 | 566 | if((rc = disorder_simple(c, &r, "playing", (char *)0))) |
567 | return rc; | |
460b9539 | 568 | if(r) { |
569 | q = xmalloc(sizeof *q); | |
570 | if(queue_unmarshall(q, r, client_error, 0)) | |
571 | return -1; | |
572 | *qp = q; | |
573 | } else | |
574 | *qp = 0; | |
575 | return 0; | |
576 | } | |
577 | ||
0590cedc | 578 | /** @brief Fetch the queue, recent list, etc */ |
460b9539 | 579 | static int disorder_somequeue(disorder_client *c, |
580 | const char *cmd, struct queue_entry **qp) { | |
581 | struct queue_entry *qh, **qt = &qh, *q; | |
582 | char *l; | |
2bead829 | 583 | int rc; |
460b9539 | 584 | |
2bead829 | 585 | if((rc = disorder_simple(c, 0, cmd, (char *)0))) |
586 | return rc; | |
460b9539 | 587 | while(inputline(c->ident, c->fpin, &l, '\n') >= 0) { |
588 | if(!strcmp(l, ".")) { | |
589 | *qt = 0; | |
590 | *qp = qh; | |
591 | return 0; | |
592 | } | |
593 | q = xmalloc(sizeof *q); | |
594 | if(!queue_unmarshall(q, l, client_error, 0)) { | |
595 | *qt = q; | |
596 | qt = &q->next; | |
597 | } | |
598 | } | |
e9e8a16d RK |
599 | if(ferror(c->fpin)) { |
600 | byte_xasprintf((char **)&c->last, "input error: %s", strerror(errno)); | |
460b9539 | 601 | error(errno, "error reading %s", c->ident); |
e9e8a16d RK |
602 | } else { |
603 | c->last = "input error: unexpxected EOF"; | |
460b9539 | 604 | error(0, "error reading %s: unexpected EOF", c->ident); |
e9e8a16d | 605 | } |
460b9539 | 606 | return -1; |
607 | } | |
608 | ||
c4e2cfdd RK |
609 | /** @brief Get recently played tracks |
610 | * @param c Client | |
611 | * @param qp Where to store track information | |
612 | * @return 0 on success, non-0 on error | |
613 | * | |
614 | * The last entry in the list is the most recently played track. | |
615 | */ | |
460b9539 | 616 | int disorder_recent(disorder_client *c, struct queue_entry **qp) { |
617 | return disorder_somequeue(c, "recent", qp); | |
618 | } | |
619 | ||
c4e2cfdd RK |
620 | /** @brief Get queue |
621 | * @param c Client | |
622 | * @param qp Where to store track information | |
623 | * @return 0 on success, non-0 on error | |
624 | * | |
625 | * The first entry in the list will be played next. | |
626 | */ | |
460b9539 | 627 | int disorder_queue(disorder_client *c, struct queue_entry **qp) { |
628 | return disorder_somequeue(c, "queue", qp); | |
629 | } | |
630 | ||
c4e2cfdd RK |
631 | /** @brief Read a dot-stuffed list |
632 | * @param c Client | |
633 | * @param vecp Where to store list (UTF-8) | |
634 | * @param nvecp Where to store number of items, or NULL | |
635 | * @return 0 on success, non-0 on error | |
636 | * | |
637 | * The list will have a final NULL not counted in @p nvecp. | |
638 | */ | |
460b9539 | 639 | static int readlist(disorder_client *c, char ***vecp, int *nvecp) { |
640 | char *l; | |
641 | struct vector v; | |
642 | ||
643 | vector_init(&v); | |
644 | while(inputline(c->ident, c->fpin, &l, '\n') >= 0) { | |
645 | if(!strcmp(l, ".")) { | |
646 | vector_terminate(&v); | |
647 | if(nvecp) | |
648 | *nvecp = v.nvec; | |
649 | *vecp = v.vec; | |
650 | return 0; | |
651 | } | |
652 | vector_append(&v, l + (*l == '.')); | |
653 | } | |
e9e8a16d RK |
654 | if(ferror(c->fpin)) { |
655 | byte_xasprintf((char **)&c->last, "input error: %s", strerror(errno)); | |
460b9539 | 656 | error(errno, "error reading %s", c->ident); |
e9e8a16d RK |
657 | } else { |
658 | c->last = "input error: unexpxected EOF"; | |
460b9539 | 659 | error(0, "error reading %s: unexpected EOF", c->ident); |
e9e8a16d | 660 | } |
460b9539 | 661 | return -1; |
662 | } | |
663 | ||
c4e2cfdd RK |
664 | /** @brief Issue a comamnd and get a list response |
665 | * @param c Client | |
666 | * @param vecp Where to store list (UTF-8) | |
667 | * @param nvecp Where to store number of items, or NULL | |
668 | * @param cmd Command | |
669 | * @return 0 on success, non-0 on error | |
670 | * | |
671 | * The remaining arguments are command arguments, terminated by (char | |
672 | * *)0. They should be in UTF-8. | |
673 | * | |
674 | * 5xx responses count as errors. | |
675 | */ | |
460b9539 | 676 | static int disorder_simple_list(disorder_client *c, |
677 | char ***vecp, int *nvecp, | |
678 | const char *cmd, ...) { | |
679 | va_list ap; | |
680 | int ret; | |
681 | ||
682 | va_start(ap, cmd); | |
683 | ret = disorder_simple_v(c, 0, cmd, ap); | |
684 | va_end(ap); | |
685 | if(ret) return ret; | |
686 | return readlist(c, vecp, nvecp); | |
687 | } | |
688 | ||
c4e2cfdd RK |
689 | /** @brief List directories below @p dir |
690 | * @param c Client | |
0227f67d | 691 | * @param dir Directory to list, or NULL for root (UTF-8) |
c4e2cfdd RK |
692 | * @param re Regexp that results must match, or NULL (UTF-8) |
693 | * @param vecp Where to store list (UTF-8) | |
694 | * @param nvecp Where to store number of items, or NULL | |
695 | * @return 0 on success, non-0 on error | |
696 | */ | |
460b9539 | 697 | int disorder_directories(disorder_client *c, const char *dir, const char *re, |
698 | char ***vecp, int *nvecp) { | |
699 | return disorder_simple_list(c, vecp, nvecp, "dirs", dir, re, (char *)0); | |
700 | } | |
701 | ||
c4e2cfdd RK |
702 | /** @brief List files below @p dir |
703 | * @param c Client | |
0227f67d | 704 | * @param dir Directory to list, or NULL for root (UTF-8) |
c4e2cfdd RK |
705 | * @param re Regexp that results must match, or NULL (UTF-8) |
706 | * @param vecp Where to store list (UTF-8) | |
707 | * @param nvecp Where to store number of items, or NULL | |
708 | * @return 0 on success, non-0 on error | |
709 | */ | |
460b9539 | 710 | int disorder_files(disorder_client *c, const char *dir, const char *re, |
711 | char ***vecp, int *nvecp) { | |
712 | return disorder_simple_list(c, vecp, nvecp, "files", dir, re, (char *)0); | |
713 | } | |
714 | ||
c4e2cfdd RK |
715 | /** @brief List files and directories below @p dir |
716 | * @param c Client | |
0227f67d | 717 | * @param dir Directory to list, or NULL for root (UTF-8) |
c4e2cfdd RK |
718 | * @param re Regexp that results must match, or NULL (UTF-8) |
719 | * @param vecp Where to store list (UTF-8) | |
720 | * @param nvecp Where to store number of items, or NULL | |
721 | * @return 0 on success, non-0 on error | |
722 | */ | |
460b9539 | 723 | int disorder_allfiles(disorder_client *c, const char *dir, const char *re, |
724 | char ***vecp, int *nvecp) { | |
725 | return disorder_simple_list(c, vecp, nvecp, "allfiles", dir, re, (char *)0); | |
726 | } | |
727 | ||
c4e2cfdd RK |
728 | /** @brief Return the user we logged in with |
729 | * @param c Client | |
730 | * @return User name (owned by @p c, don't modify) | |
731 | */ | |
460b9539 | 732 | char *disorder_user(disorder_client *c) { |
733 | return c->user; | |
734 | } | |
735 | ||
c4e2cfdd RK |
736 | /** @brief Set a track preference |
737 | * @param c Client | |
738 | * @param track Track name (UTF-8) | |
739 | * @param key Preference name (UTF-8) | |
740 | * @param value Preference value (UTF-8) | |
741 | * @return 0 on success, non-0 on error | |
742 | */ | |
460b9539 | 743 | int disorder_set(disorder_client *c, const char *track, |
744 | const char *key, const char *value) { | |
745 | return disorder_simple(c, 0, "set", track, key, value, (char *)0); | |
746 | } | |
747 | ||
c4e2cfdd RK |
748 | /** @brief Unset a track preference |
749 | * @param c Client | |
750 | * @param track Track name (UTF-8) | |
751 | * @param key Preference name (UTF-8) | |
752 | * @return 0 on success, non-0 on error | |
753 | */ | |
460b9539 | 754 | int disorder_unset(disorder_client *c, const char *track, |
755 | const char *key) { | |
756 | return disorder_simple(c, 0, "unset", track, key, (char *)0); | |
757 | } | |
758 | ||
c4e2cfdd RK |
759 | /** @brief Get a track preference |
760 | * @param c Client | |
761 | * @param track Track name (UTF-8) | |
762 | * @param key Preference name (UTF-8) | |
763 | * @param valuep Where to store preference value (UTF-8) | |
764 | * @return 0 on success, non-0 on error | |
765 | */ | |
460b9539 | 766 | int disorder_get(disorder_client *c, |
767 | const char *track, const char *key, char **valuep) { | |
7b32e917 RK |
768 | return dequote(disorder_simple(c, valuep, "get", track, key, (char *)0), |
769 | valuep); | |
460b9539 | 770 | } |
771 | ||
772 | static void pref_error_handler(const char *msg, | |
773 | void attribute((unused)) *u) { | |
774 | error(0, "error handling 'prefs' reply: %s", msg); | |
775 | } | |
776 | ||
158d0961 | 777 | /** @brief Get all preferences for a trcak |
c4e2cfdd RK |
778 | * @param c Client |
779 | * @param track Track name | |
780 | * @param kp Where to store linked list of preferences | |
781 | * @return 0 on success, non-0 on error | |
782 | */ | |
460b9539 | 783 | int disorder_prefs(disorder_client *c, const char *track, struct kvp **kp) { |
784 | char **vec, **pvec; | |
2bead829 | 785 | int nvec, npvec, n, rc; |
460b9539 | 786 | struct kvp *k; |
787 | ||
2bead829 | 788 | if((rc = disorder_simple_list(c, &vec, &nvec, "prefs", track, (char *)0))) |
789 | return rc; | |
460b9539 | 790 | for(n = 0; n < nvec; ++n) { |
791 | if(!(pvec = split(vec[n], &npvec, SPLIT_QUOTES, pref_error_handler, 0))) | |
792 | return -1; | |
793 | if(npvec != 2) { | |
794 | pref_error_handler("malformed response", 0); | |
795 | return -1; | |
796 | } | |
797 | *kp = k = xmalloc(sizeof *k); | |
798 | k->name = pvec[0]; | |
799 | k->value = pvec[1]; | |
800 | kp = &k->next; | |
801 | } | |
802 | *kp = 0; | |
803 | return 0; | |
804 | } | |
805 | ||
c4e2cfdd RK |
806 | /** @brief Parse a boolean response |
807 | * @param cmd Command for use in error messsage | |
808 | * @param value Result from server | |
809 | * @param flagp Where to store result | |
810 | * @return 0 on success, non-0 on error | |
811 | */ | |
460b9539 | 812 | static int boolean(const char *cmd, const char *value, |
813 | int *flagp) { | |
814 | if(!strcmp(value, "yes")) *flagp = 1; | |
815 | else if(!strcmp(value, "no")) *flagp = 0; | |
816 | else { | |
817 | error(0, "malformed response to '%s'", cmd); | |
818 | return -1; | |
819 | } | |
820 | return 0; | |
821 | } | |
822 | ||
c4e2cfdd RK |
823 | /** @brief Test whether a track exists |
824 | * @param c Client | |
825 | * @param track Track name (UTF-8) | |
826 | * @param existsp Where to store result (non-0 iff does exist) | |
827 | * @return 0 on success, non-0 on error | |
828 | */ | |
460b9539 | 829 | int disorder_exists(disorder_client *c, const char *track, int *existsp) { |
830 | char *v; | |
2bead829 | 831 | int rc; |
460b9539 | 832 | |
2bead829 | 833 | if((rc = disorder_simple(c, &v, "exists", track, (char *)0))) |
834 | return rc; | |
460b9539 | 835 | return boolean("exists", v, existsp); |
836 | } | |
837 | ||
c4e2cfdd RK |
838 | /** @brief Test whether playing is enabled |
839 | * @param c Client | |
840 | * @param enabledp Where to store result (non-0 iff enabled) | |
841 | * @return 0 on success, non-0 on error | |
842 | */ | |
460b9539 | 843 | int disorder_enabled(disorder_client *c, int *enabledp) { |
844 | char *v; | |
2bead829 | 845 | int rc; |
460b9539 | 846 | |
2bead829 | 847 | if((rc = disorder_simple(c, &v, "enabled", (char *)0))) |
848 | return rc; | |
460b9539 | 849 | return boolean("enabled", v, enabledp); |
850 | } | |
851 | ||
c4e2cfdd RK |
852 | /** @brief Get the length of a track |
853 | * @param c Client | |
854 | * @param track Track name (UTF-8) | |
855 | * @param valuep Where to store length in seconds | |
856 | * @return 0 on success, non-0 on error | |
857 | * | |
858 | * If the length is unknown 0 is returned. | |
859 | */ | |
460b9539 | 860 | int disorder_length(disorder_client *c, const char *track, |
861 | long *valuep) { | |
862 | char *value; | |
2bead829 | 863 | int rc; |
460b9539 | 864 | |
2bead829 | 865 | if((rc = disorder_simple(c, &value, "length", track, (char *)0))) |
866 | return rc; | |
460b9539 | 867 | *valuep = atol(value); |
868 | return 0; | |
869 | } | |
870 | ||
c4e2cfdd RK |
871 | /** @brief Search for tracks |
872 | * @param c Client | |
873 | * @param terms Search terms (UTF-8) | |
874 | * @param vecp Where to store list (UTF-8) | |
875 | * @param nvecp Where to store number of items, or NULL | |
876 | * @return 0 on success, non-0 on error | |
877 | */ | |
460b9539 | 878 | int disorder_search(disorder_client *c, const char *terms, |
879 | char ***vecp, int *nvecp) { | |
880 | return disorder_simple_list(c, vecp, nvecp, "search", terms, (char *)0); | |
881 | } | |
882 | ||
c4e2cfdd RK |
883 | /** @brief Enable random play |
884 | * @param c Client | |
885 | * @return 0 on success, non-0 on error | |
886 | */ | |
460b9539 | 887 | int disorder_random_enable(disorder_client *c) { |
888 | return disorder_simple(c, 0, "random-enable", (char *)0); | |
889 | } | |
890 | ||
c4e2cfdd RK |
891 | /** @brief Disable random play |
892 | * @param c Client | |
893 | * @return 0 on success, non-0 on error | |
894 | */ | |
460b9539 | 895 | int disorder_random_disable(disorder_client *c) { |
896 | return disorder_simple(c, 0, "random-disable", (char *)0); | |
897 | } | |
898 | ||
c4e2cfdd RK |
899 | /** @brief Test whether random play is enabled |
900 | * @param c Client | |
158d0961 | 901 | * @param enabledp Where to store result (non-0 iff enabled) |
c4e2cfdd RK |
902 | * @return 0 on success, non-0 on error |
903 | */ | |
460b9539 | 904 | int disorder_random_enabled(disorder_client *c, int *enabledp) { |
905 | char *v; | |
2bead829 | 906 | int rc; |
460b9539 | 907 | |
2bead829 | 908 | if((rc = disorder_simple(c, &v, "random-enabled", (char *)0))) |
909 | return rc; | |
460b9539 | 910 | return boolean("random-enabled", v, enabledp); |
911 | } | |
912 | ||
c4e2cfdd RK |
913 | /** @brief Get server stats |
914 | * @param c Client | |
915 | * @param vecp Where to store list (UTF-8) | |
916 | * @param nvecp Where to store number of items, or NULL | |
917 | * @return 0 on success, non-0 on error | |
918 | */ | |
460b9539 | 919 | int disorder_stats(disorder_client *c, |
920 | char ***vecp, int *nvecp) { | |
921 | return disorder_simple_list(c, vecp, nvecp, "stats", (char *)0); | |
922 | } | |
923 | ||
c4e2cfdd RK |
924 | /** @brief Set volume |
925 | * @param c Client | |
926 | * @param left New left channel value | |
927 | * @param right New right channel value | |
928 | * @return 0 on success, non-0 on error | |
929 | */ | |
460b9539 | 930 | int disorder_set_volume(disorder_client *c, int left, int right) { |
931 | char *ls, *rs; | |
932 | ||
933 | if(byte_asprintf(&ls, "%d", left) < 0 | |
934 | || byte_asprintf(&rs, "%d", right) < 0) | |
935 | return -1; | |
2bead829 | 936 | return disorder_simple(c, 0, "volume", ls, rs, (char *)0); |
460b9539 | 937 | } |
938 | ||
c4e2cfdd RK |
939 | /** @brief Get volume |
940 | * @param c Client | |
941 | * @param left Where to store left channel value | |
942 | * @param right Where to store right channel value | |
943 | * @return 0 on success, non-0 on error | |
944 | */ | |
460b9539 | 945 | int disorder_get_volume(disorder_client *c, int *left, int *right) { |
946 | char *r; | |
2bead829 | 947 | int rc; |
460b9539 | 948 | |
2bead829 | 949 | if((rc = disorder_simple(c, &r, "volume", (char *)0))) |
950 | return rc; | |
460b9539 | 951 | if(sscanf(r, "%d %d", left, right) != 2) { |
e9e8a16d | 952 | c->last = "malformed volume response"; |
460b9539 | 953 | error(0, "error parsing response to 'volume': '%s'", r); |
954 | return -1; | |
955 | } | |
956 | return 0; | |
957 | } | |
958 | ||
c4e2cfdd RK |
959 | /** @brief Log to a sink |
960 | * @param c Client | |
961 | * @param s Sink to write log lines to | |
962 | * @return 0 on success, non-0 on error | |
963 | */ | |
460b9539 | 964 | int disorder_log(disorder_client *c, struct sink *s) { |
965 | char *l; | |
2bead829 | 966 | int rc; |
460b9539 | 967 | |
2bead829 | 968 | if((rc = disorder_simple(c, 0, "log", (char *)0))) |
969 | return rc; | |
460b9539 | 970 | while(inputline(c->ident, c->fpin, &l, '\n') >= 0 && strcmp(l, ".")) |
971 | if(sink_printf(s, "%s\n", l) < 0) return -1; | |
e9e8a16d RK |
972 | if(ferror(c->fpin) || feof(c->fpin)) { |
973 | byte_xasprintf((char **)&c->last, "input error: %s", | |
974 | ferror(c->fpin) ? strerror(errno) : "unexpxected EOF"); | |
975 | return -1; | |
976 | } | |
460b9539 | 977 | return 0; |
978 | } | |
979 | ||
c4e2cfdd RK |
980 | /** @brief Look up a track name part |
981 | * @param c Client | |
982 | * @param partp Where to store result (UTF-8) | |
983 | * @param track Track name (UTF-8) | |
984 | * @param context Context (usually "sort" or "display") (UTF-8) | |
985 | * @param part Track part (UTF-8) | |
986 | * @return 0 on success, non-0 on error | |
987 | */ | |
460b9539 | 988 | int disorder_part(disorder_client *c, char **partp, |
989 | const char *track, const char *context, const char *part) { | |
7b32e917 RK |
990 | return dequote(disorder_simple(c, partp, "part", |
991 | track, context, part, (char *)0), partp); | |
460b9539 | 992 | } |
993 | ||
c4e2cfdd RK |
994 | /** @brief Resolve aliases |
995 | * @param c Client | |
158d0961 | 996 | * @param trackp Where to store canonical name (UTF-8) |
c4e2cfdd RK |
997 | * @param track Track name (UTF-8) |
998 | * @return 0 on success, non-0 on error | |
999 | */ | |
460b9539 | 1000 | int disorder_resolve(disorder_client *c, char **trackp, const char *track) { |
7b32e917 RK |
1001 | return dequote(disorder_simple(c, trackp, "resolve", track, (char *)0), |
1002 | trackp); | |
460b9539 | 1003 | } |
1004 | ||
c4e2cfdd RK |
1005 | /** @brief Pause the current track |
1006 | * @param c Client | |
1007 | * @return 0 on success, non-0 on error | |
1008 | */ | |
460b9539 | 1009 | int disorder_pause(disorder_client *c) { |
1010 | return disorder_simple(c, 0, "pause", (char *)0); | |
1011 | } | |
1012 | ||
c4e2cfdd RK |
1013 | /** @brief Resume the current track |
1014 | * @param c Client | |
1015 | * @return 0 on success, non-0 on error | |
1016 | */ | |
460b9539 | 1017 | int disorder_resume(disorder_client *c) { |
1018 | return disorder_simple(c, 0, "resume", (char *)0); | |
1019 | } | |
1020 | ||
c4e2cfdd RK |
1021 | /** @brief List all known tags |
1022 | * @param c Client | |
1023 | * @param vecp Where to store list (UTF-8) | |
1024 | * @param nvecp Where to store number of items, or NULL | |
1025 | * @return 0 on success, non-0 on error | |
1026 | */ | |
460b9539 | 1027 | int disorder_tags(disorder_client *c, |
1028 | char ***vecp, int *nvecp) { | |
1029 | return disorder_simple_list(c, vecp, nvecp, "tags", (char *)0); | |
1030 | } | |
1031 | ||
c4e2cfdd RK |
1032 | /** @brief List all known users |
1033 | * @param c Client | |
1034 | * @param vecp Where to store list (UTF-8) | |
1035 | * @param nvecp Where to store number of items, or NULL | |
1036 | * @return 0 on success, non-0 on error | |
1037 | */ | |
c3be4f19 RK |
1038 | int disorder_users(disorder_client *c, |
1039 | char ***vecp, int *nvecp) { | |
1040 | return disorder_simple_list(c, vecp, nvecp, "users", (char *)0); | |
1041 | } | |
1042 | ||
c4e2cfdd | 1043 | /** @brief Get recently added tracks |
2a10b70b | 1044 | * @param c Client |
c4e2cfdd | 1045 | * @param vecp Where to store pointer to list (UTF-8) |
2a10b70b RK |
1046 | * @param nvecp Where to store count |
1047 | * @param max Maximum tracks to fetch, or 0 for all available | |
1048 | * @return 0 on success, non-0 on error | |
1049 | */ | |
1050 | int disorder_new_tracks(disorder_client *c, | |
1051 | char ***vecp, int *nvecp, | |
1052 | int max) { | |
1053 | char limit[32]; | |
1054 | ||
1055 | sprintf(limit, "%d", max); | |
1056 | return disorder_simple_list(c, vecp, nvecp, "new", limit, (char *)0); | |
1057 | } | |
1058 | ||
c4e2cfdd RK |
1059 | /** @brief Set a global preference |
1060 | * @param c Client | |
1061 | * @param key Preference name (UTF-8) | |
1062 | * @param value Preference value (UTF-8) | |
1063 | * @return 0 on success, non-0 on error | |
1064 | */ | |
460b9539 | 1065 | int disorder_set_global(disorder_client *c, |
1066 | const char *key, const char *value) { | |
1067 | return disorder_simple(c, 0, "set-global", key, value, (char *)0); | |
1068 | } | |
1069 | ||
c4e2cfdd RK |
1070 | /** @brief Unset a global preference |
1071 | * @param c Client | |
1072 | * @param key Preference name (UTF-8) | |
1073 | * @return 0 on success, non-0 on error | |
1074 | */ | |
460b9539 | 1075 | int disorder_unset_global(disorder_client *c, const char *key) { |
1076 | return disorder_simple(c, 0, "unset-global", key, (char *)0); | |
1077 | } | |
1078 | ||
c4e2cfdd RK |
1079 | /** @brief Get a global preference |
1080 | * @param c Client | |
1081 | * @param key Preference name (UTF-8) | |
1082 | * @param valuep Where to store preference value (UTF-8) | |
1083 | * @return 0 on success, non-0 on error | |
1084 | */ | |
460b9539 | 1085 | int disorder_get_global(disorder_client *c, const char *key, char **valuep) { |
7b32e917 RK |
1086 | return dequote(disorder_simple(c, valuep, "get-global", key, (char *)0), |
1087 | valuep); | |
460b9539 | 1088 | } |
1089 | ||
c4e2cfdd RK |
1090 | /** @brief Get server's RTP address information |
1091 | * @param c Client | |
1092 | * @param addressp Where to store address (UTF-8) | |
1093 | * @param portp Where to store port (UTF-8) | |
1094 | * @return 0 on success, non-0 on error | |
1095 | */ | |
ca831831 RK |
1096 | int disorder_rtp_address(disorder_client *c, char **addressp, char **portp) { |
1097 | char *r; | |
1098 | int rc, n; | |
1099 | char **vec; | |
1100 | ||
1101 | if((rc = disorder_simple(c, &r, "rtp-address", (char *)0))) | |
1102 | return rc; | |
1103 | vec = split(r, &n, SPLIT_QUOTES, 0, 0); | |
1104 | if(n != 2) { | |
e9e8a16d | 1105 | c->last = "malformed RTP address"; |
ca831831 RK |
1106 | error(0, "malformed rtp-address reply"); |
1107 | return -1; | |
1108 | } | |
1109 | *addressp = vec[0]; | |
1110 | *portp = vec[1]; | |
1111 | return 0; | |
1112 | } | |
1113 | ||
c4e2cfdd RK |
1114 | /** @brief Create a user |
1115 | * @param c Client | |
1116 | * @param user Username | |
1117 | * @param password Password | |
1118 | * @param rights Initial rights or NULL to use default | |
1119 | * @return 0 on success, non-0 on error | |
1120 | */ | |
f0feb22e | 1121 | int disorder_adduser(disorder_client *c, |
0f55e905 RK |
1122 | const char *user, const char *password, |
1123 | const char *rights) { | |
1124 | return disorder_simple(c, 0, "adduser", user, password, rights, (char *)0); | |
f0feb22e RK |
1125 | } |
1126 | ||
c4e2cfdd RK |
1127 | /** @brief Delete a user |
1128 | * @param c Client | |
1129 | * @param user Username | |
1130 | * @return 0 on success, non-0 on error | |
1131 | */ | |
f0feb22e RK |
1132 | int disorder_deluser(disorder_client *c, const char *user) { |
1133 | return disorder_simple(c, 0, "deluser", user, (char *)0); | |
1134 | } | |
1135 | ||
c4e2cfdd RK |
1136 | /** @brief Get user information |
1137 | * @param c Client | |
1138 | * @param user Username | |
1139 | * @param key Property name (UTF-8) | |
1140 | * @param valuep Where to store value (UTF-8) | |
1141 | * @return 0 on success, non-0 on error | |
1142 | */ | |
a55c70c7 RK |
1143 | int disorder_userinfo(disorder_client *c, const char *user, const char *key, |
1144 | char **valuep) { | |
7b32e917 RK |
1145 | return dequote(disorder_simple(c, valuep, "userinfo", user, key, (char *)0), |
1146 | valuep); | |
5df73aeb RK |
1147 | } |
1148 | ||
c4e2cfdd RK |
1149 | /** @brief Set user information |
1150 | * @param c Client | |
1151 | * @param user Username | |
1152 | * @param key Property name (UTF-8) | |
1153 | * @param value New property value (UTF-8) | |
1154 | * @return 0 on success, non-0 on error | |
1155 | */ | |
5df73aeb RK |
1156 | int disorder_edituser(disorder_client *c, const char *user, |
1157 | const char *key, const char *value) { | |
1158 | return disorder_simple(c, 0, "edituser", user, key, value, (char *)0); | |
1159 | } | |
1160 | ||
c4e2cfdd RK |
1161 | /** @brief Register a user |
1162 | * @param c Client | |
1163 | * @param user Username | |
1164 | * @param password Password | |
1165 | * @param email Email address (UTF-8) | |
c4e2cfdd RK |
1166 | * @param confirmp Where to store confirmation string |
1167 | * @return 0 on success, non-0 on error | |
1168 | */ | |
ba39faf6 RK |
1169 | int disorder_register(disorder_client *c, const char *user, |
1170 | const char *password, const char *email, | |
1171 | char **confirmp) { | |
1172 | return dequote(disorder_simple(c, confirmp, "register", | |
1173 | user, password, email, (char *)0), | |
1174 | confirmp); | |
1175 | } | |
1176 | ||
c4e2cfdd RK |
1177 | /** @brief Confirm a user |
1178 | * @param c Client | |
1179 | * @param confirm Confirmation string | |
1180 | * @return 0 on success, non-0 on error | |
1181 | */ | |
ba39faf6 | 1182 | int disorder_confirm(disorder_client *c, const char *confirm) { |
30365519 | 1183 | char *u; |
1184 | int rc; | |
1185 | ||
1186 | if(!(rc = dequote(disorder_simple(c, &u, "confirm", confirm, (char *)0), | |
1187 | &u))) | |
1188 | c->user = u; | |
1189 | return rc; | |
ba39faf6 RK |
1190 | } |
1191 | ||
c4e2cfdd RK |
1192 | /** @brief Make a cookie for this login |
1193 | * @param c Client | |
1194 | * @param cookiep Where to store cookie string | |
1195 | * @return 0 on success, non-0 on error | |
1196 | */ | |
07969f9b RK |
1197 | int disorder_make_cookie(disorder_client *c, char **cookiep) { |
1198 | return dequote(disorder_simple(c, cookiep, "make-cookie", (char *)0), | |
1199 | cookiep); | |
1200 | } | |
1201 | ||
b42ffad6 | 1202 | /** @brief Revoke the cookie used by this session |
1203 | * @param c Client | |
1204 | * @return 0 on success, non-0 on error | |
1205 | */ | |
1206 | int disorder_revoke(disorder_client *c) { | |
1207 | return disorder_simple(c, 0, "revoke", (char *)0); | |
1208 | } | |
1209 | ||
6207d2f3 | 1210 | /** @brief Request a password reminder email |
1211 | * @param c Client | |
1212 | * @param user Username | |
1213 | * @return 0 on success, non-0 on error | |
1214 | */ | |
1215 | int disorder_reminder(disorder_client *c, const char *user) { | |
1216 | return disorder_simple(c, 0, "reminder", user, (char *)0); | |
1217 | } | |
1218 | ||
758aa6c3 RK |
1219 | /** @brief List scheduled events |
1220 | * @param c Client | |
1221 | * @param idsp Where to put list of event IDs | |
1222 | * @param nidsp Where to put count of event IDs, or NULL | |
1223 | * @return 0 on success, non-0 on error | |
1224 | */ | |
1225 | int disorder_schedule_list(disorder_client *c, char ***idsp, int *nidsp) { | |
1226 | return disorder_simple_list(c, idsp, nidsp, "schedule-list", (char *)0); | |
1227 | } | |
1228 | ||
1229 | /** @brief Delete a scheduled event | |
1230 | * @param c Client | |
1231 | * @param id Event ID to delete | |
1232 | * @return 0 on success, non-0 on error | |
1233 | */ | |
1234 | int disorder_schedule_del(disorder_client *c, const char *id) { | |
1235 | return disorder_simple(c, 0, "schedule-del", id, (char *)0); | |
1236 | } | |
1237 | ||
1238 | /** @brief Get details of a scheduled event | |
1239 | * @param c Client | |
1240 | * @param id Event ID | |
1241 | * @param actiondatap Where to put details | |
1242 | * @return 0 on success, non-0 on error | |
1243 | */ | |
1244 | int disorder_schedule_get(disorder_client *c, const char *id, | |
1245 | struct kvp **actiondatap) { | |
1246 | char **lines, **bits; | |
1247 | int rc, nbits; | |
1248 | ||
1249 | *actiondatap = 0; | |
1250 | if((rc = disorder_simple_list(c, &lines, NULL, | |
1251 | "schedule-get", id, (char *)0))) | |
1252 | return rc; | |
1253 | while(*lines) { | |
1254 | if(!(bits = split(*lines++, &nbits, SPLIT_QUOTES, 0, 0))) { | |
1255 | error(0, "invalid schedule-get reply: cannot split line"); | |
1256 | return -1; | |
1257 | } | |
1258 | if(nbits != 2) { | |
1259 | error(0, "invalid schedule-get reply: wrong number of fields"); | |
1260 | return -1; | |
1261 | } | |
1262 | kvp_set(actiondatap, bits[0], bits[1]); | |
1263 | } | |
1264 | return 0; | |
1265 | } | |
1266 | ||
1267 | /** @brief Add a scheduled event | |
1268 | * @param c Client | |
1269 | * @param when When to trigger the event | |
1270 | * @param priority Event priority ("normal" or "junk") | |
1271 | * @param action What action to perform | |
1272 | * @param ... Action-specific arguments | |
1273 | * @return 0 on success, non-0 on error | |
1274 | * | |
1275 | * For action @c "play" the next argument is the track. | |
1276 | * | |
1277 | * For action @c "set-global" next argument is the global preference name | |
1278 | * and the final argument the value to set it to, or (char *)0 to unset it. | |
1279 | */ | |
1280 | int disorder_schedule_add(disorder_client *c, | |
1281 | time_t when, | |
1282 | const char *priority, | |
1283 | const char *action, | |
1284 | ...) { | |
1285 | va_list ap; | |
1286 | char when_str[64]; | |
1287 | int rc; | |
1288 | ||
1289 | snprintf(when_str, sizeof when_str, "%lld", (long long)when); | |
1290 | va_start(ap, action); | |
1291 | if(!strcmp(action, "play")) | |
6c13a317 RK |
1292 | rc = disorder_simple(c, 0, "schedule-add", when_str, priority, |
1293 | action, va_arg(ap, char *), | |
1294 | (char *)0); | |
1295 | else if(!strcmp(action, "set-global")) { | |
1296 | const char *key = va_arg(ap, char *); | |
1297 | const char *value = va_arg(ap, char *); | |
1298 | rc = disorder_simple(c, 0,"schedule-add", when_str, priority, | |
1299 | action, key, value, | |
1300 | (char *)0); | |
1301 | } else | |
758aa6c3 RK |
1302 | fatal(0, "unknown action '%s'", action); |
1303 | va_end(ap); | |
1304 | return rc; | |
1305 | } | |
1306 | ||
460b9539 | 1307 | /* |
1308 | Local Variables: | |
1309 | c-basic-offset:2 | |
1310 | comment-column:40 | |
1311 | End: | |
1312 | */ |