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 | * |
e7eb3a27 | 5 | * This program is free software: you can redistribute it and/or modify |
460b9539 | 6 | * it under the terms of the GNU General Public License as published by |
e7eb3a27 | 7 | * the Free Software Foundation, either version 3 of the License, or |
460b9539 | 8 | * (at your option) any later version. |
e7eb3a27 RK |
9 | * |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
460b9539 | 15 | * You should have received a copy of the GNU General Public License |
e7eb3a27 | 16 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
460b9539 | 17 | */ |
c4e2cfdd RK |
18 | /** @file lib/client.c |
19 | * @brief Simple C client | |
20 | * | |
158d0961 | 21 | * See @ref lib/eclient.c for an asynchronous-capable client |
c4e2cfdd RK |
22 | * implementation. |
23 | */ | |
460b9539 | 24 | |
05b75f8d | 25 | #include "common.h" |
460b9539 | 26 | |
27 | #include <sys/types.h> | |
28 | #include <sys/socket.h> | |
29 | #include <netinet/in.h> | |
30 | #include <sys/un.h> | |
460b9539 | 31 | #include <unistd.h> |
32 | #include <errno.h> | |
33 | #include <netdb.h> | |
f0feb22e | 34 | #include <pcre.h> |
460b9539 | 35 | |
36 | #include "log.h" | |
37 | #include "mem.h" | |
460b9539 | 38 | #include "queue.h" |
39 | #include "client.h" | |
40 | #include "charset.h" | |
41 | #include "hex.h" | |
42 | #include "split.h" | |
43 | #include "vector.h" | |
44 | #include "inputline.h" | |
45 | #include "kvp.h" | |
46 | #include "syscalls.h" | |
47 | #include "printf.h" | |
48 | #include "sink.h" | |
49 | #include "addr.h" | |
50 | #include "authhash.h" | |
51 | #include "client-common.h" | |
5df73aeb | 52 | #include "rights.h" |
f0feb22e | 53 | #include "trackdb.h" |
758aa6c3 | 54 | #include "kvp.h" |
460b9539 | 55 | |
0590cedc | 56 | /** @brief Client handle contents */ |
460b9539 | 57 | struct disorder_client { |
0590cedc RK |
58 | /** @brief Stream to read from */ |
59 | FILE *fpin; | |
60 | /** @brief Stream to write to */ | |
61 | FILE *fpout; | |
62 | /** @brief Peer description */ | |
460b9539 | 63 | char *ident; |
0590cedc | 64 | /** @brief Username */ |
460b9539 | 65 | char *user; |
0590cedc | 66 | /** @brief Report errors to @c stderr */ |
460b9539 | 67 | int verbose; |
0590cedc | 68 | /** @brief Last error string */ |
e9e8a16d | 69 | const char *last; |
460b9539 | 70 | }; |
71 | ||
c4e2cfdd RK |
72 | /** @brief Create a new client |
73 | * @param verbose If nonzero, write extra junk to stderr | |
74 | * @return Pointer to new client | |
75 | * | |
fdf98378 | 76 | * You must call disorder_connect(), disorder_connect_user() or |
77 | * disorder_connect_cookie() to connect it. Use disorder_close() to | |
78 | * dispose of the client when finished with it. | |
c4e2cfdd | 79 | */ |
460b9539 | 80 | disorder_client *disorder_new(int verbose) { |
81 | disorder_client *c = xmalloc(sizeof (struct disorder_client)); | |
82 | ||
83 | c->verbose = verbose; | |
84 | return c; | |
85 | } | |
86 | ||
c4e2cfdd RK |
87 | /** @brief Read a response line |
88 | * @param c Client | |
89 | * @param rp Where to store response, or NULL (UTF-8) | |
90 | * @return Response code 0-999 or -1 on error | |
91 | */ | |
460b9539 | 92 | static int response(disorder_client *c, char **rp) { |
93 | char *r; | |
94 | ||
e9e8a16d RK |
95 | if(inputline(c->ident, c->fpin, &r, '\n')) { |
96 | byte_xasprintf((char **)&c->last, "input error: %s", strerror(errno)); | |
460b9539 | 97 | return -1; |
e9e8a16d | 98 | } |
460b9539 | 99 | D(("response: %s", r)); |
100 | if(rp) | |
101 | *rp = r; | |
102 | if(r[0] >= '0' && r[0] <= '9' | |
103 | && r[1] >= '0' && r[1] <= '9' | |
104 | && r[2] >= '0' && r[2] <= '9' | |
bb037be2 | 105 | && r[3] == ' ') { |
106 | c->last = r + 4; | |
460b9539 | 107 | return (r[0] * 10 + r[1]) * 10 + r[2] - 111 * '0'; |
bb037be2 | 108 | } else { |
e9e8a16d | 109 | c->last = "invalid reply format"; |
460b9539 | 110 | error(0, "invalid reply format from %s", c->ident); |
111 | return -1; | |
112 | } | |
113 | } | |
114 | ||
bb037be2 | 115 | /** @brief Return last response string |
116 | * @param c Client | |
117 | * @return Last response string (UTF-8, English) or NULL | |
118 | */ | |
119 | const char *disorder_last(disorder_client *c) { | |
120 | return c->last; | |
121 | } | |
122 | ||
c4e2cfdd RK |
123 | /** @brief Read and partially parse a response |
124 | * @param c Client | |
125 | * @param rp Where to store response text (or NULL) (UTF-8) | |
126 | * @return 0 on success, non-0 on error | |
127 | * | |
128 | * 5xx responses count as errors. | |
129 | * | |
130 | * @p rp will NOT be filled in for xx9 responses (where it is just | |
131 | * commentary for a command where it would normally be meaningful). | |
132 | * | |
133 | * NB that the response will NOT be converted to the local encoding. | |
460b9539 | 134 | */ |
135 | static int check_response(disorder_client *c, char **rp) { | |
136 | int rc; | |
137 | char *r; | |
138 | ||
139 | if((rc = response(c, &r)) == -1) | |
140 | return -1; | |
141 | else if(rc / 100 == 2) { | |
142 | if(rp) | |
143 | *rp = (rc % 10 == 9) ? 0 : xstrdup(r + 4); | |
144 | return 0; | |
145 | } else { | |
146 | if(c->verbose) | |
147 | error(0, "from %s: %s", c->ident, utf82mb(r)); | |
2bead829 | 148 | return rc; |
460b9539 | 149 | } |
150 | } | |
151 | ||
c4e2cfdd RK |
152 | /** @brief Issue a command and parse a simple response |
153 | * @param c Client | |
154 | * @param rp Where to store result, or NULL | |
155 | * @param cmd Command | |
156 | * @param ap Arguments (UTF-8), terminated by (char *)0 | |
157 | * @return 0 on success, non-0 on error | |
158 | * | |
159 | * 5xx responses count as errors. | |
160 | * | |
161 | * @p rp will NOT be filled in for xx9 responses (where it is just | |
162 | * commentary for a command where it would normally be meaningful). | |
163 | * | |
164 | * NB that the response will NOT be converted to the local encoding | |
165 | * nor will quotes be stripped. See dequote(). | |
166 | */ | |
460b9539 | 167 | static int disorder_simple_v(disorder_client *c, |
168 | char **rp, | |
169 | const char *cmd, va_list ap) { | |
170 | const char *arg; | |
171 | struct dynstr d; | |
172 | ||
62ef2216 | 173 | if(!c->fpout) { |
e9e8a16d | 174 | c->last = "not connected"; |
62ef2216 | 175 | error(0, "not connected to server"); |
176 | return -1; | |
177 | } | |
460b9539 | 178 | if(cmd) { |
179 | dynstr_init(&d); | |
180 | dynstr_append_string(&d, cmd); | |
181 | while((arg = va_arg(ap, const char *))) { | |
182 | dynstr_append(&d, ' '); | |
183 | dynstr_append_string(&d, quoteutf8(arg)); | |
184 | } | |
185 | dynstr_append(&d, '\n'); | |
186 | dynstr_terminate(&d); | |
187 | D(("command: %s", d.vec)); | |
188 | if(fputs(d.vec, c->fpout) < 0 || fflush(c->fpout)) { | |
e9e8a16d | 189 | byte_xasprintf((char **)&c->last, "write error: %s", strerror(errno)); |
460b9539 | 190 | error(errno, "error writing to %s", c->ident); |
191 | return -1; | |
192 | } | |
193 | } | |
194 | return check_response(c, rp); | |
195 | } | |
196 | ||
c4e2cfdd RK |
197 | /** @brief Issue a command and parse a simple response |
198 | * @param c Client | |
199 | * @param rp Where to store result, or NULL (UTF-8) | |
200 | * @param cmd Command | |
201 | * @return 0 on success, non-0 on error | |
202 | * | |
203 | * The remaining arguments are command arguments, terminated by (char | |
204 | * *)0. They should be in UTF-8. | |
205 | * | |
206 | * 5xx responses count as errors. | |
207 | * | |
208 | * @p rp will NOT be filled in for xx9 responses (where it is just | |
209 | * commentary for a command where it would normally be meaningful). | |
210 | * | |
211 | * NB that the response will NOT be converted to the local encoding | |
212 | * nor will quotes be stripped. See dequote(). | |
460b9539 | 213 | */ |
214 | static int disorder_simple(disorder_client *c, | |
215 | char **rp, | |
216 | const char *cmd, ...) { | |
217 | va_list ap; | |
218 | int ret; | |
219 | ||
220 | va_start(ap, cmd); | |
221 | ret = disorder_simple_v(c, rp, cmd, ap); | |
222 | va_end(ap); | |
223 | return ret; | |
224 | } | |
225 | ||
0227f67d RK |
226 | /** @brief Dequote a result string |
227 | * @param rc 0 on success, non-0 on error | |
228 | * @param rp Where result string is stored (UTF-8) | |
229 | * @return @p rc | |
230 | * | |
231 | * This is used as a wrapper around disorder_simple() to dequote | |
232 | * results in place. | |
233 | */ | |
234 | static int dequote(int rc, char **rp) { | |
235 | char **rr; | |
2bead829 | 236 | |
0227f67d RK |
237 | if(!rc) { |
238 | if((rr = split(*rp, 0, SPLIT_QUOTES, 0, 0)) && *rr) { | |
239 | *rp = *rr; | |
240 | return 0; | |
241 | } | |
242 | error(0, "invalid reply: %s", *rp); | |
460b9539 | 243 | } |
2bead829 | 244 | return rc; |
460b9539 | 245 | } |
246 | ||
0227f67d | 247 | /** @brief Generic connection routine |
319d7107 | 248 | * @param conf Configuration to follow |
c4e2cfdd | 249 | * @param c Client |
0227f67d RK |
250 | * @param username Username to log in with or NULL |
251 | * @param password Password to log in with or NULL | |
252 | * @param cookie Cookie to log in with or NULL | |
c4e2cfdd RK |
253 | * @return 0 on success, non-0 on error |
254 | * | |
0227f67d RK |
255 | * @p cookie is tried first if not NULL. If it is NULL then @p |
256 | * username must not be. If @p username is not NULL then nor may @p | |
257 | * password be. | |
c4e2cfdd | 258 | */ |
319d7107 RK |
259 | int disorder_connect_generic(struct config *conf, |
260 | disorder_client *c, | |
261 | const char *username, | |
262 | const char *password, | |
263 | const char *cookie) { | |
2bead829 | 264 | int fd = -1, fd2 = -1, nrvec, rc; |
460b9539 | 265 | unsigned char *nonce; |
266 | size_t nl; | |
267 | const char *res; | |
637fdea3 | 268 | char *r, **rvec; |
7b32e917 | 269 | const char *protocol, *algorithm, *challenge; |
0227f67d RK |
270 | struct sockaddr *sa; |
271 | socklen_t salen; | |
460b9539 | 272 | |
319d7107 | 273 | if((salen = find_server(conf, &sa, &c->ident)) == (socklen_t)-1) |
460b9539 | 274 | return -1; |
460b9539 | 275 | c->fpin = c->fpout = 0; |
276 | if((fd = socket(sa->sa_family, SOCK_STREAM, 0)) < 0) { | |
e9e8a16d | 277 | byte_xasprintf((char **)&c->last, "socket: %s", strerror(errno)); |
460b9539 | 278 | error(errno, "error calling socket"); |
279 | return -1; | |
280 | } | |
0227f67d | 281 | if(connect(fd, sa, salen) < 0) { |
e9e8a16d | 282 | byte_xasprintf((char **)&c->last, "connect: %s", strerror(errno)); |
460b9539 | 283 | error(errno, "error calling connect"); |
284 | goto error; | |
285 | } | |
286 | if((fd2 = dup(fd)) < 0) { | |
e9e8a16d | 287 | byte_xasprintf((char **)&c->last, "dup: %s", strerror(errno)); |
460b9539 | 288 | error(errno, "error calling dup"); |
289 | goto error; | |
290 | } | |
291 | if(!(c->fpin = fdopen(fd, "rb"))) { | |
e9e8a16d | 292 | byte_xasprintf((char **)&c->last, "fdopen: %s", strerror(errno)); |
460b9539 | 293 | error(errno, "error calling fdopen"); |
294 | goto error; | |
295 | } | |
296 | fd = -1; | |
297 | if(!(c->fpout = fdopen(fd2, "wb"))) { | |
e9e8a16d | 298 | byte_xasprintf((char **)&c->last, "fdopen: %s", strerror(errno)); |
460b9539 | 299 | error(errno, "error calling fdopen"); |
300 | goto error; | |
301 | } | |
302 | fd2 = -1; | |
2bead829 | 303 | if((rc = disorder_simple(c, &r, 0, (const char *)0))) |
304 | goto error_rc; | |
637fdea3 | 305 | if(!(rvec = split(r, &nrvec, SPLIT_QUOTES, 0, 0))) |
2bead829 | 306 | goto error; |
7b32e917 | 307 | if(nrvec != 3) { |
e9e8a16d | 308 | c->last = "cannot parse server greeting"; |
7b32e917 | 309 | error(0, "cannot parse server greeting %s", r); |
2bead829 | 310 | goto error; |
637fdea3 | 311 | } |
7b32e917 RK |
312 | protocol = *rvec++; |
313 | if(strcmp(protocol, "2")) { | |
e9e8a16d | 314 | c->last = "unknown protocol version"; |
7b32e917 | 315 | error(0, "unknown protocol version: %s", protocol); |
2bead829 | 316 | goto error; |
7b32e917 RK |
317 | } |
318 | algorithm = *rvec++; | |
319 | challenge = *rvec++; | |
320 | if(!(nonce = unhex(challenge, &nl))) | |
2bead829 | 321 | goto error; |
0227f67d RK |
322 | if(cookie) { |
323 | if(!dequote(disorder_simple(c, &c->user, "cookie", cookie, (char *)0), | |
324 | &c->user)) | |
325 | return 0; /* success */ | |
326 | if(!username) { | |
e9e8a16d | 327 | c->last = "cookie failed and no username"; |
0227f67d | 328 | error(0, "cookie did not work and no username available"); |
2bead829 | 329 | goto error; |
0227f67d RK |
330 | } |
331 | } | |
e9e8a16d RK |
332 | if(!(res = authhash(nonce, nl, password, algorithm))) { |
333 | c->last = "error computing authorization hash"; | |
334 | goto error; | |
335 | } | |
2bead829 | 336 | if((rc = disorder_simple(c, 0, "user", username, res, (char *)0))) |
337 | goto error_rc; | |
460b9539 | 338 | c->user = xstrdup(username); |
339 | return 0; | |
340 | error: | |
2bead829 | 341 | rc = -1; |
342 | error_rc: | |
343 | if(c->fpin) { | |
344 | fclose(c->fpin); | |
345 | c->fpin = 0; | |
346 | } | |
347 | if(c->fpout) { | |
348 | fclose(c->fpout); | |
349 | c->fpout = 0; | |
350 | } | |
460b9539 | 351 | if(fd2 != -1) close(fd2); |
352 | if(fd != -1) close(fd); | |
2bead829 | 353 | return rc; |
460b9539 | 354 | } |
355 | ||
fdf98378 | 356 | /** @brief Connect a client with a specified username and password |
357 | * @param c Client | |
358 | * @param username Username to log in with | |
359 | * @param password Password to log in with | |
360 | * @return 0 on success, non-0 on error | |
361 | */ | |
362 | int disorder_connect_user(disorder_client *c, | |
363 | const char *username, | |
364 | const char *password) { | |
319d7107 RK |
365 | return disorder_connect_generic(config, |
366 | c, | |
fdf98378 | 367 | username, |
368 | password, | |
369 | 0); | |
370 | } | |
371 | ||
0227f67d RK |
372 | /** @brief Connect a client |
373 | * @param c Client | |
374 | * @return 0 on success, non-0 on error | |
375 | * | |
376 | * The connection will use the username and password found in @ref | |
377 | * config, or directly from the database if no password is found and | |
378 | * the database is readable (usually only for root). | |
379 | */ | |
380 | int disorder_connect(disorder_client *c) { | |
381 | const char *username, *password; | |
382 | ||
383 | if(!(username = config->username)) { | |
e9e8a16d | 384 | c->last = "no username"; |
0227f67d RK |
385 | error(0, "no username configured"); |
386 | return -1; | |
387 | } | |
388 | password = config->password; | |
199c2a23 RK |
389 | /* Maybe we can read the database */ |
390 | if(!password && trackdb_readable()) { | |
0227f67d RK |
391 | trackdb_init(TRACKDB_NO_RECOVER|TRACKDB_NO_UPGRADE); |
392 | trackdb_open(TRACKDB_READ_ONLY); | |
393 | password = trackdb_get_password(username); | |
394 | trackdb_close(); | |
395 | } | |
396 | if(!password) { | |
397 | /* Oh well */ | |
e9e8a16d | 398 | c->last = "no password"; |
abf64ff8 | 399 | error(0, "no password configured for user '%s'", username); |
0227f67d RK |
400 | return -1; |
401 | } | |
319d7107 RK |
402 | return disorder_connect_generic(config, |
403 | c, | |
0227f67d RK |
404 | username, |
405 | password, | |
406 | 0); | |
407 | } | |
408 | ||
409 | /** @brief Connect a client | |
410 | * @param c Client | |
411 | * @param cookie Cookie to log in with, or NULL | |
412 | * @return 0 on success, non-0 on error | |
413 | * | |
414 | * If @p cookie is NULL or does not work then we attempt to log in as | |
415 | * guest instead (so when the cookie expires only an extra round trip | |
416 | * is needed rathre than a complete new login). | |
417 | */ | |
418 | int disorder_connect_cookie(disorder_client *c, | |
419 | const char *cookie) { | |
319d7107 RK |
420 | return disorder_connect_generic(config, |
421 | c, | |
0227f67d RK |
422 | "guest", |
423 | "", | |
424 | cookie); | |
425 | } | |
426 | ||
c4e2cfdd RK |
427 | /** @brief Close a client |
428 | * @param c Client | |
429 | * @return 0 on succcess, non-0 on errior | |
430 | * | |
431 | * The client is still closed even on error. It might well be | |
432 | * appropriate to ignore the return value. | |
433 | */ | |
460b9539 | 434 | int disorder_close(disorder_client *c) { |
435 | int ret = 0; | |
436 | ||
437 | if(c->fpin) { | |
438 | if(fclose(c->fpin) < 0) { | |
e9e8a16d | 439 | byte_xasprintf((char **)&c->last, "fclose: %s", strerror(errno)); |
460b9539 | 440 | error(errno, "error calling fclose"); |
441 | ret = -1; | |
442 | } | |
443 | c->fpin = 0; | |
444 | } | |
445 | if(c->fpout) { | |
446 | if(fclose(c->fpout) < 0) { | |
e9e8a16d | 447 | byte_xasprintf((char **)&c->last, "fclose: %s", strerror(errno)); |
460b9539 | 448 | error(errno, "error calling fclose"); |
449 | ret = -1; | |
450 | } | |
451 | c->fpout = 0; | |
452 | } | |
0227f67d RK |
453 | c->ident = 0; |
454 | c->user = 0; | |
460b9539 | 455 | return 0; |
456 | } | |
457 | ||
c4e2cfdd RK |
458 | /** @brief Play a track |
459 | * @param c Client | |
460 | * @param track Track to play (UTF-8) | |
461 | * @return 0 on success, non-0 on error | |
462 | */ | |
460b9539 | 463 | int disorder_play(disorder_client *c, const char *track) { |
464 | return disorder_simple(c, 0, "play", track, (char *)0); | |
465 | } | |
466 | ||
c4e2cfdd RK |
467 | /** @brief Remove a track |
468 | * @param c Client | |
469 | * @param track Track to remove (UTF-8) | |
470 | * @return 0 on success, non-0 on error | |
471 | */ | |
460b9539 | 472 | int disorder_remove(disorder_client *c, const char *track) { |
473 | return disorder_simple(c, 0, "remove", track, (char *)0); | |
474 | } | |
475 | ||
c4e2cfdd RK |
476 | /** @brief Move a track |
477 | * @param c Client | |
478 | * @param track Track to move (UTF-8) | |
479 | * @param delta Distance to move by | |
480 | * @return 0 on success, non-0 on error | |
481 | */ | |
460b9539 | 482 | int disorder_move(disorder_client *c, const char *track, int delta) { |
483 | char d[16]; | |
484 | ||
485 | byte_snprintf(d, sizeof d, "%d", delta); | |
486 | return disorder_simple(c, 0, "move", track, d, (char *)0); | |
487 | } | |
488 | ||
c4e2cfdd RK |
489 | /** @brief Enable play |
490 | * @param c Client | |
491 | * @return 0 on success, non-0 on error | |
492 | */ | |
460b9539 | 493 | int disorder_enable(disorder_client *c) { |
494 | return disorder_simple(c, 0, "enable", (char *)0); | |
495 | } | |
496 | ||
c4e2cfdd RK |
497 | /** @brief Disable play |
498 | * @param c Client | |
499 | * @return 0 on success, non-0 on error | |
500 | */ | |
460b9539 | 501 | int disorder_disable(disorder_client *c) { |
502 | return disorder_simple(c, 0, "disable", (char *)0); | |
503 | } | |
504 | ||
c4e2cfdd RK |
505 | /** @brief Scratch the currently playing track |
506 | * @param id Playing track ID or NULL (UTF-8) | |
507 | * @param c Client | |
508 | * @return 0 on success, non-0 on error | |
509 | */ | |
460b9539 | 510 | int disorder_scratch(disorder_client *c, const char *id) { |
511 | return disorder_simple(c, 0, "scratch", id, (char *)0); | |
512 | } | |
513 | ||
c4e2cfdd RK |
514 | /** @brief Shut down the server |
515 | * @param c Client | |
516 | * @return 0 on success, non-0 on error | |
517 | */ | |
460b9539 | 518 | int disorder_shutdown(disorder_client *c) { |
519 | return disorder_simple(c, 0, "shutdown", (char *)0); | |
520 | } | |
521 | ||
c4e2cfdd RK |
522 | /** @brief Make the server re-read its configuration |
523 | * @param c Client | |
524 | * @return 0 on success, non-0 on error | |
525 | */ | |
460b9539 | 526 | int disorder_reconfigure(disorder_client *c) { |
527 | return disorder_simple(c, 0, "reconfigure", (char *)0); | |
528 | } | |
529 | ||
c4e2cfdd RK |
530 | /** @brief Rescan tracks |
531 | * @param c Client | |
532 | * @return 0 on success, non-0 on error | |
533 | */ | |
460b9539 | 534 | int disorder_rescan(disorder_client *c) { |
535 | return disorder_simple(c, 0, "rescan", (char *)0); | |
536 | } | |
537 | ||
c4e2cfdd RK |
538 | /** @brief Get server version number |
539 | * @param c Client | |
540 | * @param rp Where to store version string (UTF-8) | |
541 | * @return 0 on success, non-0 on error | |
542 | */ | |
460b9539 | 543 | int disorder_version(disorder_client *c, char **rp) { |
7b32e917 | 544 | return dequote(disorder_simple(c, rp, "version", (char *)0), rp); |
460b9539 | 545 | } |
546 | ||
547 | static void client_error(const char *msg, | |
548 | void attribute((unused)) *u) { | |
549 | error(0, "error parsing reply: %s", msg); | |
550 | } | |
551 | ||
c4e2cfdd RK |
552 | /** @brief Get currently playing track |
553 | * @param c Client | |
554 | * @param qp Where to store track information | |
555 | * @return 0 on success, non-0 on error | |
556 | * | |
557 | * @p qp gets NULL if no track is playing. | |
558 | */ | |
460b9539 | 559 | int disorder_playing(disorder_client *c, struct queue_entry **qp) { |
560 | char *r; | |
561 | struct queue_entry *q; | |
2bead829 | 562 | int rc; |
460b9539 | 563 | |
2bead829 | 564 | if((rc = disorder_simple(c, &r, "playing", (char *)0))) |
565 | return rc; | |
460b9539 | 566 | if(r) { |
567 | q = xmalloc(sizeof *q); | |
568 | if(queue_unmarshall(q, r, client_error, 0)) | |
569 | return -1; | |
570 | *qp = q; | |
571 | } else | |
572 | *qp = 0; | |
573 | return 0; | |
574 | } | |
575 | ||
0590cedc | 576 | /** @brief Fetch the queue, recent list, etc */ |
460b9539 | 577 | static int disorder_somequeue(disorder_client *c, |
578 | const char *cmd, struct queue_entry **qp) { | |
579 | struct queue_entry *qh, **qt = &qh, *q; | |
580 | char *l; | |
2bead829 | 581 | int rc; |
460b9539 | 582 | |
2bead829 | 583 | if((rc = disorder_simple(c, 0, cmd, (char *)0))) |
584 | return rc; | |
460b9539 | 585 | while(inputline(c->ident, c->fpin, &l, '\n') >= 0) { |
586 | if(!strcmp(l, ".")) { | |
587 | *qt = 0; | |
588 | *qp = qh; | |
589 | return 0; | |
590 | } | |
591 | q = xmalloc(sizeof *q); | |
592 | if(!queue_unmarshall(q, l, client_error, 0)) { | |
593 | *qt = q; | |
594 | qt = &q->next; | |
595 | } | |
596 | } | |
e9e8a16d RK |
597 | if(ferror(c->fpin)) { |
598 | byte_xasprintf((char **)&c->last, "input error: %s", strerror(errno)); | |
460b9539 | 599 | error(errno, "error reading %s", c->ident); |
e9e8a16d RK |
600 | } else { |
601 | c->last = "input error: unexpxected EOF"; | |
460b9539 | 602 | error(0, "error reading %s: unexpected EOF", c->ident); |
e9e8a16d | 603 | } |
460b9539 | 604 | return -1; |
605 | } | |
606 | ||
c4e2cfdd RK |
607 | /** @brief Get recently played tracks |
608 | * @param c Client | |
609 | * @param qp Where to store track information | |
610 | * @return 0 on success, non-0 on error | |
611 | * | |
612 | * The last entry in the list is the most recently played track. | |
613 | */ | |
460b9539 | 614 | int disorder_recent(disorder_client *c, struct queue_entry **qp) { |
615 | return disorder_somequeue(c, "recent", qp); | |
616 | } | |
617 | ||
c4e2cfdd RK |
618 | /** @brief Get queue |
619 | * @param c Client | |
620 | * @param qp Where to store track information | |
621 | * @return 0 on success, non-0 on error | |
622 | * | |
623 | * The first entry in the list will be played next. | |
624 | */ | |
460b9539 | 625 | int disorder_queue(disorder_client *c, struct queue_entry **qp) { |
626 | return disorder_somequeue(c, "queue", qp); | |
627 | } | |
628 | ||
c4e2cfdd RK |
629 | /** @brief Read a dot-stuffed list |
630 | * @param c Client | |
631 | * @param vecp Where to store list (UTF-8) | |
632 | * @param nvecp Where to store number of items, or NULL | |
633 | * @return 0 on success, non-0 on error | |
634 | * | |
635 | * The list will have a final NULL not counted in @p nvecp. | |
636 | */ | |
460b9539 | 637 | static int readlist(disorder_client *c, char ***vecp, int *nvecp) { |
638 | char *l; | |
639 | struct vector v; | |
640 | ||
641 | vector_init(&v); | |
642 | while(inputline(c->ident, c->fpin, &l, '\n') >= 0) { | |
643 | if(!strcmp(l, ".")) { | |
644 | vector_terminate(&v); | |
645 | if(nvecp) | |
646 | *nvecp = v.nvec; | |
647 | *vecp = v.vec; | |
648 | return 0; | |
649 | } | |
650 | vector_append(&v, l + (*l == '.')); | |
651 | } | |
e9e8a16d RK |
652 | if(ferror(c->fpin)) { |
653 | byte_xasprintf((char **)&c->last, "input error: %s", strerror(errno)); | |
460b9539 | 654 | error(errno, "error reading %s", c->ident); |
e9e8a16d RK |
655 | } else { |
656 | c->last = "input error: unexpxected EOF"; | |
460b9539 | 657 | error(0, "error reading %s: unexpected EOF", c->ident); |
e9e8a16d | 658 | } |
460b9539 | 659 | return -1; |
660 | } | |
661 | ||
c4e2cfdd RK |
662 | /** @brief Issue a comamnd and get a list response |
663 | * @param c Client | |
664 | * @param vecp Where to store list (UTF-8) | |
665 | * @param nvecp Where to store number of items, or NULL | |
666 | * @param cmd Command | |
667 | * @return 0 on success, non-0 on error | |
668 | * | |
669 | * The remaining arguments are command arguments, terminated by (char | |
670 | * *)0. They should be in UTF-8. | |
671 | * | |
672 | * 5xx responses count as errors. | |
673 | */ | |
460b9539 | 674 | static int disorder_simple_list(disorder_client *c, |
675 | char ***vecp, int *nvecp, | |
676 | const char *cmd, ...) { | |
677 | va_list ap; | |
678 | int ret; | |
679 | ||
680 | va_start(ap, cmd); | |
681 | ret = disorder_simple_v(c, 0, cmd, ap); | |
682 | va_end(ap); | |
683 | if(ret) return ret; | |
684 | return readlist(c, vecp, nvecp); | |
685 | } | |
686 | ||
c4e2cfdd RK |
687 | /** @brief List directories below @p dir |
688 | * @param c Client | |
0227f67d | 689 | * @param dir Directory to list, or NULL for root (UTF-8) |
c4e2cfdd RK |
690 | * @param re Regexp that results must match, or NULL (UTF-8) |
691 | * @param vecp Where to store list (UTF-8) | |
692 | * @param nvecp Where to store number of items, or NULL | |
693 | * @return 0 on success, non-0 on error | |
694 | */ | |
460b9539 | 695 | int disorder_directories(disorder_client *c, const char *dir, const char *re, |
696 | char ***vecp, int *nvecp) { | |
697 | return disorder_simple_list(c, vecp, nvecp, "dirs", dir, re, (char *)0); | |
698 | } | |
699 | ||
c4e2cfdd RK |
700 | /** @brief List files below @p dir |
701 | * @param c Client | |
0227f67d | 702 | * @param dir Directory to list, or NULL for root (UTF-8) |
c4e2cfdd RK |
703 | * @param re Regexp that results must match, or NULL (UTF-8) |
704 | * @param vecp Where to store list (UTF-8) | |
705 | * @param nvecp Where to store number of items, or NULL | |
706 | * @return 0 on success, non-0 on error | |
707 | */ | |
460b9539 | 708 | int disorder_files(disorder_client *c, const char *dir, const char *re, |
709 | char ***vecp, int *nvecp) { | |
710 | return disorder_simple_list(c, vecp, nvecp, "files", dir, re, (char *)0); | |
711 | } | |
712 | ||
c4e2cfdd RK |
713 | /** @brief List files and directories below @p dir |
714 | * @param c Client | |
0227f67d | 715 | * @param dir Directory to list, or NULL for root (UTF-8) |
c4e2cfdd RK |
716 | * @param re Regexp that results must match, or NULL (UTF-8) |
717 | * @param vecp Where to store list (UTF-8) | |
718 | * @param nvecp Where to store number of items, or NULL | |
719 | * @return 0 on success, non-0 on error | |
720 | */ | |
460b9539 | 721 | int disorder_allfiles(disorder_client *c, const char *dir, const char *re, |
722 | char ***vecp, int *nvecp) { | |
723 | return disorder_simple_list(c, vecp, nvecp, "allfiles", dir, re, (char *)0); | |
724 | } | |
725 | ||
c4e2cfdd RK |
726 | /** @brief Return the user we logged in with |
727 | * @param c Client | |
728 | * @return User name (owned by @p c, don't modify) | |
729 | */ | |
460b9539 | 730 | char *disorder_user(disorder_client *c) { |
731 | return c->user; | |
732 | } | |
733 | ||
c4e2cfdd RK |
734 | /** @brief Set a track preference |
735 | * @param c Client | |
736 | * @param track Track name (UTF-8) | |
737 | * @param key Preference name (UTF-8) | |
738 | * @param value Preference value (UTF-8) | |
739 | * @return 0 on success, non-0 on error | |
740 | */ | |
460b9539 | 741 | int disorder_set(disorder_client *c, const char *track, |
742 | const char *key, const char *value) { | |
743 | return disorder_simple(c, 0, "set", track, key, value, (char *)0); | |
744 | } | |
745 | ||
c4e2cfdd RK |
746 | /** @brief Unset a track preference |
747 | * @param c Client | |
748 | * @param track Track name (UTF-8) | |
749 | * @param key Preference name (UTF-8) | |
750 | * @return 0 on success, non-0 on error | |
751 | */ | |
460b9539 | 752 | int disorder_unset(disorder_client *c, const char *track, |
753 | const char *key) { | |
754 | return disorder_simple(c, 0, "unset", track, key, (char *)0); | |
755 | } | |
756 | ||
c4e2cfdd RK |
757 | /** @brief Get a track preference |
758 | * @param c Client | |
759 | * @param track Track name (UTF-8) | |
760 | * @param key Preference name (UTF-8) | |
761 | * @param valuep Where to store preference value (UTF-8) | |
762 | * @return 0 on success, non-0 on error | |
763 | */ | |
460b9539 | 764 | int disorder_get(disorder_client *c, |
765 | const char *track, const char *key, char **valuep) { | |
7b32e917 RK |
766 | return dequote(disorder_simple(c, valuep, "get", track, key, (char *)0), |
767 | valuep); | |
460b9539 | 768 | } |
769 | ||
770 | static void pref_error_handler(const char *msg, | |
771 | void attribute((unused)) *u) { | |
772 | error(0, "error handling 'prefs' reply: %s", msg); | |
773 | } | |
774 | ||
158d0961 | 775 | /** @brief Get all preferences for a trcak |
c4e2cfdd RK |
776 | * @param c Client |
777 | * @param track Track name | |
778 | * @param kp Where to store linked list of preferences | |
779 | * @return 0 on success, non-0 on error | |
780 | */ | |
460b9539 | 781 | int disorder_prefs(disorder_client *c, const char *track, struct kvp **kp) { |
782 | char **vec, **pvec; | |
2bead829 | 783 | int nvec, npvec, n, rc; |
460b9539 | 784 | struct kvp *k; |
785 | ||
2bead829 | 786 | if((rc = disorder_simple_list(c, &vec, &nvec, "prefs", track, (char *)0))) |
787 | return rc; | |
460b9539 | 788 | for(n = 0; n < nvec; ++n) { |
789 | if(!(pvec = split(vec[n], &npvec, SPLIT_QUOTES, pref_error_handler, 0))) | |
790 | return -1; | |
791 | if(npvec != 2) { | |
792 | pref_error_handler("malformed response", 0); | |
793 | return -1; | |
794 | } | |
795 | *kp = k = xmalloc(sizeof *k); | |
796 | k->name = pvec[0]; | |
797 | k->value = pvec[1]; | |
798 | kp = &k->next; | |
799 | } | |
800 | *kp = 0; | |
801 | return 0; | |
802 | } | |
803 | ||
c4e2cfdd RK |
804 | /** @brief Parse a boolean response |
805 | * @param cmd Command for use in error messsage | |
806 | * @param value Result from server | |
807 | * @param flagp Where to store result | |
808 | * @return 0 on success, non-0 on error | |
809 | */ | |
460b9539 | 810 | static int boolean(const char *cmd, const char *value, |
811 | int *flagp) { | |
812 | if(!strcmp(value, "yes")) *flagp = 1; | |
813 | else if(!strcmp(value, "no")) *flagp = 0; | |
814 | else { | |
815 | error(0, "malformed response to '%s'", cmd); | |
816 | return -1; | |
817 | } | |
818 | return 0; | |
819 | } | |
820 | ||
c4e2cfdd RK |
821 | /** @brief Test whether a track exists |
822 | * @param c Client | |
823 | * @param track Track name (UTF-8) | |
824 | * @param existsp Where to store result (non-0 iff does exist) | |
825 | * @return 0 on success, non-0 on error | |
826 | */ | |
460b9539 | 827 | int disorder_exists(disorder_client *c, const char *track, int *existsp) { |
828 | char *v; | |
2bead829 | 829 | int rc; |
460b9539 | 830 | |
2bead829 | 831 | if((rc = disorder_simple(c, &v, "exists", track, (char *)0))) |
832 | return rc; | |
460b9539 | 833 | return boolean("exists", v, existsp); |
834 | } | |
835 | ||
c4e2cfdd RK |
836 | /** @brief Test whether playing is enabled |
837 | * @param c Client | |
838 | * @param enabledp Where to store result (non-0 iff enabled) | |
839 | * @return 0 on success, non-0 on error | |
840 | */ | |
460b9539 | 841 | int disorder_enabled(disorder_client *c, int *enabledp) { |
842 | char *v; | |
2bead829 | 843 | int rc; |
460b9539 | 844 | |
2bead829 | 845 | if((rc = disorder_simple(c, &v, "enabled", (char *)0))) |
846 | return rc; | |
460b9539 | 847 | return boolean("enabled", v, enabledp); |
848 | } | |
849 | ||
c4e2cfdd RK |
850 | /** @brief Get the length of a track |
851 | * @param c Client | |
852 | * @param track Track name (UTF-8) | |
853 | * @param valuep Where to store length in seconds | |
854 | * @return 0 on success, non-0 on error | |
855 | * | |
856 | * If the length is unknown 0 is returned. | |
857 | */ | |
460b9539 | 858 | int disorder_length(disorder_client *c, const char *track, |
859 | long *valuep) { | |
860 | char *value; | |
2bead829 | 861 | int rc; |
460b9539 | 862 | |
2bead829 | 863 | if((rc = disorder_simple(c, &value, "length", track, (char *)0))) |
864 | return rc; | |
460b9539 | 865 | *valuep = atol(value); |
866 | return 0; | |
867 | } | |
868 | ||
c4e2cfdd RK |
869 | /** @brief Search for tracks |
870 | * @param c Client | |
871 | * @param terms Search terms (UTF-8) | |
872 | * @param vecp Where to store list (UTF-8) | |
873 | * @param nvecp Where to store number of items, or NULL | |
874 | * @return 0 on success, non-0 on error | |
875 | */ | |
460b9539 | 876 | int disorder_search(disorder_client *c, const char *terms, |
877 | char ***vecp, int *nvecp) { | |
878 | return disorder_simple_list(c, vecp, nvecp, "search", terms, (char *)0); | |
879 | } | |
880 | ||
c4e2cfdd RK |
881 | /** @brief Enable random play |
882 | * @param c Client | |
883 | * @return 0 on success, non-0 on error | |
884 | */ | |
460b9539 | 885 | int disorder_random_enable(disorder_client *c) { |
886 | return disorder_simple(c, 0, "random-enable", (char *)0); | |
887 | } | |
888 | ||
c4e2cfdd RK |
889 | /** @brief Disable random play |
890 | * @param c Client | |
891 | * @return 0 on success, non-0 on error | |
892 | */ | |
460b9539 | 893 | int disorder_random_disable(disorder_client *c) { |
894 | return disorder_simple(c, 0, "random-disable", (char *)0); | |
895 | } | |
896 | ||
c4e2cfdd RK |
897 | /** @brief Test whether random play is enabled |
898 | * @param c Client | |
158d0961 | 899 | * @param enabledp Where to store result (non-0 iff enabled) |
c4e2cfdd RK |
900 | * @return 0 on success, non-0 on error |
901 | */ | |
460b9539 | 902 | int disorder_random_enabled(disorder_client *c, int *enabledp) { |
903 | char *v; | |
2bead829 | 904 | int rc; |
460b9539 | 905 | |
2bead829 | 906 | if((rc = disorder_simple(c, &v, "random-enabled", (char *)0))) |
907 | return rc; | |
460b9539 | 908 | return boolean("random-enabled", v, enabledp); |
909 | } | |
910 | ||
c4e2cfdd RK |
911 | /** @brief Get server stats |
912 | * @param c Client | |
913 | * @param vecp Where to store list (UTF-8) | |
914 | * @param nvecp Where to store number of items, or NULL | |
915 | * @return 0 on success, non-0 on error | |
916 | */ | |
460b9539 | 917 | int disorder_stats(disorder_client *c, |
918 | char ***vecp, int *nvecp) { | |
919 | return disorder_simple_list(c, vecp, nvecp, "stats", (char *)0); | |
920 | } | |
921 | ||
c4e2cfdd RK |
922 | /** @brief Set volume |
923 | * @param c Client | |
924 | * @param left New left channel value | |
925 | * @param right New right channel value | |
926 | * @return 0 on success, non-0 on error | |
927 | */ | |
460b9539 | 928 | int disorder_set_volume(disorder_client *c, int left, int right) { |
929 | char *ls, *rs; | |
930 | ||
931 | if(byte_asprintf(&ls, "%d", left) < 0 | |
932 | || byte_asprintf(&rs, "%d", right) < 0) | |
933 | return -1; | |
2bead829 | 934 | return disorder_simple(c, 0, "volume", ls, rs, (char *)0); |
460b9539 | 935 | } |
936 | ||
c4e2cfdd RK |
937 | /** @brief Get volume |
938 | * @param c Client | |
939 | * @param left Where to store left channel value | |
940 | * @param right Where to store right channel value | |
941 | * @return 0 on success, non-0 on error | |
942 | */ | |
460b9539 | 943 | int disorder_get_volume(disorder_client *c, int *left, int *right) { |
944 | char *r; | |
2bead829 | 945 | int rc; |
460b9539 | 946 | |
2bead829 | 947 | if((rc = disorder_simple(c, &r, "volume", (char *)0))) |
948 | return rc; | |
460b9539 | 949 | if(sscanf(r, "%d %d", left, right) != 2) { |
e9e8a16d | 950 | c->last = "malformed volume response"; |
460b9539 | 951 | error(0, "error parsing response to 'volume': '%s'", r); |
952 | return -1; | |
953 | } | |
954 | return 0; | |
955 | } | |
956 | ||
c4e2cfdd RK |
957 | /** @brief Log to a sink |
958 | * @param c Client | |
959 | * @param s Sink to write log lines to | |
960 | * @return 0 on success, non-0 on error | |
961 | */ | |
460b9539 | 962 | int disorder_log(disorder_client *c, struct sink *s) { |
963 | char *l; | |
2bead829 | 964 | int rc; |
460b9539 | 965 | |
2bead829 | 966 | if((rc = disorder_simple(c, 0, "log", (char *)0))) |
967 | return rc; | |
460b9539 | 968 | while(inputline(c->ident, c->fpin, &l, '\n') >= 0 && strcmp(l, ".")) |
969 | if(sink_printf(s, "%s\n", l) < 0) return -1; | |
e9e8a16d RK |
970 | if(ferror(c->fpin) || feof(c->fpin)) { |
971 | byte_xasprintf((char **)&c->last, "input error: %s", | |
972 | ferror(c->fpin) ? strerror(errno) : "unexpxected EOF"); | |
973 | return -1; | |
974 | } | |
460b9539 | 975 | return 0; |
976 | } | |
977 | ||
c4e2cfdd RK |
978 | /** @brief Look up a track name part |
979 | * @param c Client | |
980 | * @param partp Where to store result (UTF-8) | |
981 | * @param track Track name (UTF-8) | |
982 | * @param context Context (usually "sort" or "display") (UTF-8) | |
983 | * @param part Track part (UTF-8) | |
984 | * @return 0 on success, non-0 on error | |
985 | */ | |
460b9539 | 986 | int disorder_part(disorder_client *c, char **partp, |
987 | const char *track, const char *context, const char *part) { | |
7b32e917 RK |
988 | return dequote(disorder_simple(c, partp, "part", |
989 | track, context, part, (char *)0), partp); | |
460b9539 | 990 | } |
991 | ||
c4e2cfdd RK |
992 | /** @brief Resolve aliases |
993 | * @param c Client | |
158d0961 | 994 | * @param trackp Where to store canonical name (UTF-8) |
c4e2cfdd RK |
995 | * @param track Track name (UTF-8) |
996 | * @return 0 on success, non-0 on error | |
997 | */ | |
460b9539 | 998 | int disorder_resolve(disorder_client *c, char **trackp, const char *track) { |
7b32e917 RK |
999 | return dequote(disorder_simple(c, trackp, "resolve", track, (char *)0), |
1000 | trackp); | |
460b9539 | 1001 | } |
1002 | ||
c4e2cfdd RK |
1003 | /** @brief Pause the current track |
1004 | * @param c Client | |
1005 | * @return 0 on success, non-0 on error | |
1006 | */ | |
460b9539 | 1007 | int disorder_pause(disorder_client *c) { |
1008 | return disorder_simple(c, 0, "pause", (char *)0); | |
1009 | } | |
1010 | ||
c4e2cfdd RK |
1011 | /** @brief Resume the current track |
1012 | * @param c Client | |
1013 | * @return 0 on success, non-0 on error | |
1014 | */ | |
460b9539 | 1015 | int disorder_resume(disorder_client *c) { |
1016 | return disorder_simple(c, 0, "resume", (char *)0); | |
1017 | } | |
1018 | ||
c4e2cfdd RK |
1019 | /** @brief List all known tags |
1020 | * @param c Client | |
1021 | * @param vecp Where to store list (UTF-8) | |
1022 | * @param nvecp Where to store number of items, or NULL | |
1023 | * @return 0 on success, non-0 on error | |
1024 | */ | |
460b9539 | 1025 | int disorder_tags(disorder_client *c, |
1026 | char ***vecp, int *nvecp) { | |
1027 | return disorder_simple_list(c, vecp, nvecp, "tags", (char *)0); | |
1028 | } | |
1029 | ||
c4e2cfdd RK |
1030 | /** @brief List all known users |
1031 | * @param c Client | |
1032 | * @param vecp Where to store list (UTF-8) | |
1033 | * @param nvecp Where to store number of items, or NULL | |
1034 | * @return 0 on success, non-0 on error | |
1035 | */ | |
c3be4f19 RK |
1036 | int disorder_users(disorder_client *c, |
1037 | char ***vecp, int *nvecp) { | |
1038 | return disorder_simple_list(c, vecp, nvecp, "users", (char *)0); | |
1039 | } | |
1040 | ||
c4e2cfdd | 1041 | /** @brief Get recently added tracks |
2a10b70b | 1042 | * @param c Client |
c4e2cfdd | 1043 | * @param vecp Where to store pointer to list (UTF-8) |
2a10b70b RK |
1044 | * @param nvecp Where to store count |
1045 | * @param max Maximum tracks to fetch, or 0 for all available | |
1046 | * @return 0 on success, non-0 on error | |
1047 | */ | |
1048 | int disorder_new_tracks(disorder_client *c, | |
1049 | char ***vecp, int *nvecp, | |
1050 | int max) { | |
1051 | char limit[32]; | |
1052 | ||
1053 | sprintf(limit, "%d", max); | |
1054 | return disorder_simple_list(c, vecp, nvecp, "new", limit, (char *)0); | |
1055 | } | |
1056 | ||
c4e2cfdd RK |
1057 | /** @brief Set a global preference |
1058 | * @param c Client | |
1059 | * @param key Preference name (UTF-8) | |
1060 | * @param value Preference value (UTF-8) | |
1061 | * @return 0 on success, non-0 on error | |
1062 | */ | |
460b9539 | 1063 | int disorder_set_global(disorder_client *c, |
1064 | const char *key, const char *value) { | |
1065 | return disorder_simple(c, 0, "set-global", key, value, (char *)0); | |
1066 | } | |
1067 | ||
c4e2cfdd RK |
1068 | /** @brief Unset a global preference |
1069 | * @param c Client | |
1070 | * @param key Preference name (UTF-8) | |
1071 | * @return 0 on success, non-0 on error | |
1072 | */ | |
460b9539 | 1073 | int disorder_unset_global(disorder_client *c, const char *key) { |
1074 | return disorder_simple(c, 0, "unset-global", key, (char *)0); | |
1075 | } | |
1076 | ||
c4e2cfdd RK |
1077 | /** @brief Get a global preference |
1078 | * @param c Client | |
1079 | * @param key Preference name (UTF-8) | |
1080 | * @param valuep Where to store preference value (UTF-8) | |
1081 | * @return 0 on success, non-0 on error | |
1082 | */ | |
460b9539 | 1083 | int disorder_get_global(disorder_client *c, const char *key, char **valuep) { |
7b32e917 RK |
1084 | return dequote(disorder_simple(c, valuep, "get-global", key, (char *)0), |
1085 | valuep); | |
460b9539 | 1086 | } |
1087 | ||
c4e2cfdd RK |
1088 | /** @brief Get server's RTP address information |
1089 | * @param c Client | |
1090 | * @param addressp Where to store address (UTF-8) | |
1091 | * @param portp Where to store port (UTF-8) | |
1092 | * @return 0 on success, non-0 on error | |
1093 | */ | |
ca831831 RK |
1094 | int disorder_rtp_address(disorder_client *c, char **addressp, char **portp) { |
1095 | char *r; | |
1096 | int rc, n; | |
1097 | char **vec; | |
1098 | ||
1099 | if((rc = disorder_simple(c, &r, "rtp-address", (char *)0))) | |
1100 | return rc; | |
1101 | vec = split(r, &n, SPLIT_QUOTES, 0, 0); | |
1102 | if(n != 2) { | |
e9e8a16d | 1103 | c->last = "malformed RTP address"; |
ca831831 RK |
1104 | error(0, "malformed rtp-address reply"); |
1105 | return -1; | |
1106 | } | |
1107 | *addressp = vec[0]; | |
1108 | *portp = vec[1]; | |
1109 | return 0; | |
1110 | } | |
1111 | ||
c4e2cfdd RK |
1112 | /** @brief Create a user |
1113 | * @param c Client | |
1114 | * @param user Username | |
1115 | * @param password Password | |
1116 | * @param rights Initial rights or NULL to use default | |
1117 | * @return 0 on success, non-0 on error | |
1118 | */ | |
f0feb22e | 1119 | int disorder_adduser(disorder_client *c, |
0f55e905 RK |
1120 | const char *user, const char *password, |
1121 | const char *rights) { | |
1122 | return disorder_simple(c, 0, "adduser", user, password, rights, (char *)0); | |
f0feb22e RK |
1123 | } |
1124 | ||
c4e2cfdd RK |
1125 | /** @brief Delete a user |
1126 | * @param c Client | |
1127 | * @param user Username | |
1128 | * @return 0 on success, non-0 on error | |
1129 | */ | |
f0feb22e RK |
1130 | int disorder_deluser(disorder_client *c, const char *user) { |
1131 | return disorder_simple(c, 0, "deluser", user, (char *)0); | |
1132 | } | |
1133 | ||
c4e2cfdd RK |
1134 | /** @brief Get user information |
1135 | * @param c Client | |
1136 | * @param user Username | |
1137 | * @param key Property name (UTF-8) | |
1138 | * @param valuep Where to store value (UTF-8) | |
1139 | * @return 0 on success, non-0 on error | |
1140 | */ | |
a55c70c7 RK |
1141 | int disorder_userinfo(disorder_client *c, const char *user, const char *key, |
1142 | char **valuep) { | |
7b32e917 RK |
1143 | return dequote(disorder_simple(c, valuep, "userinfo", user, key, (char *)0), |
1144 | valuep); | |
5df73aeb RK |
1145 | } |
1146 | ||
c4e2cfdd RK |
1147 | /** @brief Set user information |
1148 | * @param c Client | |
1149 | * @param user Username | |
1150 | * @param key Property name (UTF-8) | |
1151 | * @param value New property value (UTF-8) | |
1152 | * @return 0 on success, non-0 on error | |
1153 | */ | |
5df73aeb RK |
1154 | int disorder_edituser(disorder_client *c, const char *user, |
1155 | const char *key, const char *value) { | |
1156 | return disorder_simple(c, 0, "edituser", user, key, value, (char *)0); | |
1157 | } | |
1158 | ||
c4e2cfdd RK |
1159 | /** @brief Register a user |
1160 | * @param c Client | |
1161 | * @param user Username | |
1162 | * @param password Password | |
1163 | * @param email Email address (UTF-8) | |
c4e2cfdd RK |
1164 | * @param confirmp Where to store confirmation string |
1165 | * @return 0 on success, non-0 on error | |
1166 | */ | |
ba39faf6 RK |
1167 | int disorder_register(disorder_client *c, const char *user, |
1168 | const char *password, const char *email, | |
1169 | char **confirmp) { | |
1170 | return dequote(disorder_simple(c, confirmp, "register", | |
1171 | user, password, email, (char *)0), | |
1172 | confirmp); | |
1173 | } | |
1174 | ||
c4e2cfdd RK |
1175 | /** @brief Confirm a user |
1176 | * @param c Client | |
1177 | * @param confirm Confirmation string | |
1178 | * @return 0 on success, non-0 on error | |
1179 | */ | |
ba39faf6 | 1180 | int disorder_confirm(disorder_client *c, const char *confirm) { |
30365519 | 1181 | char *u; |
1182 | int rc; | |
1183 | ||
1184 | if(!(rc = dequote(disorder_simple(c, &u, "confirm", confirm, (char *)0), | |
1185 | &u))) | |
1186 | c->user = u; | |
1187 | return rc; | |
ba39faf6 RK |
1188 | } |
1189 | ||
c4e2cfdd RK |
1190 | /** @brief Make a cookie for this login |
1191 | * @param c Client | |
1192 | * @param cookiep Where to store cookie string | |
1193 | * @return 0 on success, non-0 on error | |
1194 | */ | |
07969f9b RK |
1195 | int disorder_make_cookie(disorder_client *c, char **cookiep) { |
1196 | return dequote(disorder_simple(c, cookiep, "make-cookie", (char *)0), | |
1197 | cookiep); | |
1198 | } | |
1199 | ||
b42ffad6 | 1200 | /** @brief Revoke the cookie used by this session |
1201 | * @param c Client | |
1202 | * @return 0 on success, non-0 on error | |
1203 | */ | |
1204 | int disorder_revoke(disorder_client *c) { | |
1205 | return disorder_simple(c, 0, "revoke", (char *)0); | |
1206 | } | |
1207 | ||
6207d2f3 | 1208 | /** @brief Request a password reminder email |
1209 | * @param c Client | |
1210 | * @param user Username | |
1211 | * @return 0 on success, non-0 on error | |
1212 | */ | |
1213 | int disorder_reminder(disorder_client *c, const char *user) { | |
1214 | return disorder_simple(c, 0, "reminder", user, (char *)0); | |
1215 | } | |
1216 | ||
758aa6c3 RK |
1217 | /** @brief List scheduled events |
1218 | * @param c Client | |
1219 | * @param idsp Where to put list of event IDs | |
1220 | * @param nidsp Where to put count of event IDs, or NULL | |
1221 | * @return 0 on success, non-0 on error | |
1222 | */ | |
1223 | int disorder_schedule_list(disorder_client *c, char ***idsp, int *nidsp) { | |
1224 | return disorder_simple_list(c, idsp, nidsp, "schedule-list", (char *)0); | |
1225 | } | |
1226 | ||
1227 | /** @brief Delete a scheduled event | |
1228 | * @param c Client | |
1229 | * @param id Event ID to delete | |
1230 | * @return 0 on success, non-0 on error | |
1231 | */ | |
1232 | int disorder_schedule_del(disorder_client *c, const char *id) { | |
1233 | return disorder_simple(c, 0, "schedule-del", id, (char *)0); | |
1234 | } | |
1235 | ||
1236 | /** @brief Get details of a scheduled event | |
1237 | * @param c Client | |
1238 | * @param id Event ID | |
1239 | * @param actiondatap Where to put details | |
1240 | * @return 0 on success, non-0 on error | |
1241 | */ | |
1242 | int disorder_schedule_get(disorder_client *c, const char *id, | |
1243 | struct kvp **actiondatap) { | |
1244 | char **lines, **bits; | |
1245 | int rc, nbits; | |
1246 | ||
1247 | *actiondatap = 0; | |
1248 | if((rc = disorder_simple_list(c, &lines, NULL, | |
1249 | "schedule-get", id, (char *)0))) | |
1250 | return rc; | |
1251 | while(*lines) { | |
1252 | if(!(bits = split(*lines++, &nbits, SPLIT_QUOTES, 0, 0))) { | |
1253 | error(0, "invalid schedule-get reply: cannot split line"); | |
1254 | return -1; | |
1255 | } | |
1256 | if(nbits != 2) { | |
1257 | error(0, "invalid schedule-get reply: wrong number of fields"); | |
1258 | return -1; | |
1259 | } | |
1260 | kvp_set(actiondatap, bits[0], bits[1]); | |
1261 | } | |
1262 | return 0; | |
1263 | } | |
1264 | ||
1265 | /** @brief Add a scheduled event | |
1266 | * @param c Client | |
1267 | * @param when When to trigger the event | |
1268 | * @param priority Event priority ("normal" or "junk") | |
1269 | * @param action What action to perform | |
1270 | * @param ... Action-specific arguments | |
1271 | * @return 0 on success, non-0 on error | |
1272 | * | |
1273 | * For action @c "play" the next argument is the track. | |
1274 | * | |
1275 | * For action @c "set-global" next argument is the global preference name | |
1276 | * and the final argument the value to set it to, or (char *)0 to unset it. | |
1277 | */ | |
1278 | int disorder_schedule_add(disorder_client *c, | |
1279 | time_t when, | |
1280 | const char *priority, | |
1281 | const char *action, | |
1282 | ...) { | |
1283 | va_list ap; | |
1284 | char when_str[64]; | |
1285 | int rc; | |
1286 | ||
1287 | snprintf(when_str, sizeof when_str, "%lld", (long long)when); | |
1288 | va_start(ap, action); | |
1289 | if(!strcmp(action, "play")) | |
6c13a317 RK |
1290 | rc = disorder_simple(c, 0, "schedule-add", when_str, priority, |
1291 | action, va_arg(ap, char *), | |
1292 | (char *)0); | |
1293 | else if(!strcmp(action, "set-global")) { | |
1294 | const char *key = va_arg(ap, char *); | |
1295 | const char *value = va_arg(ap, char *); | |
1296 | rc = disorder_simple(c, 0,"schedule-add", when_str, priority, | |
1297 | action, key, value, | |
1298 | (char *)0); | |
1299 | } else | |
758aa6c3 RK |
1300 | fatal(0, "unknown action '%s'", action); |
1301 | va_end(ap); | |
1302 | return rc; | |
1303 | } | |
1304 | ||
d42e98ca RK |
1305 | /** @brief Adopt a track |
1306 | * @param c Client | |
1307 | * @param id Track ID to adopt | |
1308 | * @return 0 on success, non-0 on error | |
1309 | */ | |
1310 | int disorder_adopt(disorder_client *c, const char *id) { | |
1311 | return disorder_simple(c, 0, "adopt", id, (char *)0); | |
1312 | } | |
1313 | ||
460b9539 | 1314 | /* |
1315 | Local Variables: | |
1316 | c-basic-offset:2 | |
1317 | comment-column:40 | |
1318 | End: | |
1319 | */ |