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"; |
2e9ba080 | 110 | disorder_error(0, "invalid reply format from %s", c->ident); |
460b9539 | 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) | |
2e9ba080 | 147 | disorder_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 | |
39c53343 RK |
156 | * @param body Body or NULL |
157 | * @param nbody Length of body or -1 | |
c4e2cfdd RK |
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(). | |
39c53343 RK |
168 | * |
169 | * If @p body is not NULL then the body is sent immediately after the | |
170 | * command. @p nbody should be the number of lines or @c -1 to count | |
171 | * them if @p body is NULL-terminated. | |
172 | * | |
173 | * Usually you would call this via one of the following interfaces: | |
174 | * - disorder_simple() | |
175 | * - disorder_simple_body() | |
176 | * - disorder_simple_list() | |
c4e2cfdd | 177 | */ |
460b9539 | 178 | static int disorder_simple_v(disorder_client *c, |
179 | char **rp, | |
39c53343 RK |
180 | const char *cmd, |
181 | char **body, int nbody, | |
182 | va_list ap) { | |
460b9539 | 183 | const char *arg; |
184 | struct dynstr d; | |
185 | ||
62ef2216 | 186 | if(!c->fpout) { |
e9e8a16d | 187 | c->last = "not connected"; |
2e9ba080 | 188 | disorder_error(0, "not connected to server"); |
62ef2216 | 189 | return -1; |
190 | } | |
460b9539 | 191 | if(cmd) { |
192 | dynstr_init(&d); | |
193 | dynstr_append_string(&d, cmd); | |
194 | while((arg = va_arg(ap, const char *))) { | |
195 | dynstr_append(&d, ' '); | |
196 | dynstr_append_string(&d, quoteutf8(arg)); | |
197 | } | |
198 | dynstr_append(&d, '\n'); | |
199 | dynstr_terminate(&d); | |
200 | D(("command: %s", d.vec)); | |
39c53343 RK |
201 | if(fputs(d.vec, c->fpout) < 0) |
202 | goto write_error; | |
203 | if(body) { | |
204 | if(nbody < 0) | |
205 | for(nbody = 0; body[nbody]; ++nbody) | |
206 | ; | |
207 | for(int n = 0; n < nbody; ++n) { | |
208 | if(body[n][0] == '.') | |
209 | if(fputc('.', c->fpout) < 0) | |
210 | goto write_error; | |
211 | if(fputs(body[n], c->fpout) < 0) | |
212 | goto write_error; | |
213 | if(fputc('\n', c->fpout) < 0) | |
214 | goto write_error; | |
215 | } | |
216 | if(fputs(".\n", c->fpout) < 0) | |
217 | goto write_error; | |
460b9539 | 218 | } |
39c53343 RK |
219 | if(fflush(c->fpout)) |
220 | goto write_error; | |
460b9539 | 221 | } |
222 | return check_response(c, rp); | |
39c53343 RK |
223 | write_error: |
224 | byte_xasprintf((char **)&c->last, "write error: %s", strerror(errno)); | |
2e9ba080 | 225 | disorder_error(errno, "error writing to %s", c->ident); |
39c53343 | 226 | return -1; |
460b9539 | 227 | } |
228 | ||
c4e2cfdd RK |
229 | /** @brief Issue a command and parse a simple response |
230 | * @param c Client | |
231 | * @param rp Where to store result, or NULL (UTF-8) | |
232 | * @param cmd Command | |
233 | * @return 0 on success, non-0 on error | |
234 | * | |
235 | * The remaining arguments are command arguments, terminated by (char | |
236 | * *)0. They should be in UTF-8. | |
237 | * | |
238 | * 5xx responses count as errors. | |
239 | * | |
240 | * @p rp will NOT be filled in for xx9 responses (where it is just | |
241 | * commentary for a command where it would normally be meaningful). | |
242 | * | |
243 | * NB that the response will NOT be converted to the local encoding | |
244 | * nor will quotes be stripped. See dequote(). | |
460b9539 | 245 | */ |
246 | static int disorder_simple(disorder_client *c, | |
247 | char **rp, | |
248 | const char *cmd, ...) { | |
249 | va_list ap; | |
250 | int ret; | |
251 | ||
252 | va_start(ap, cmd); | |
39c53343 RK |
253 | ret = disorder_simple_v(c, rp, cmd, 0, 0, ap); |
254 | va_end(ap); | |
255 | return ret; | |
256 | } | |
257 | ||
258 | /** @brief Issue a command with a body and parse a simple response | |
259 | * @param c Client | |
260 | * @param rp Where to store result, or NULL (UTF-8) | |
261 | * @param body Pointer to body | |
262 | * @param nbody Size of body | |
263 | * @param cmd Command | |
264 | * @return 0 on success, non-0 on error | |
265 | * | |
266 | * See disorder_simple(). | |
267 | */ | |
268 | static int disorder_simple_body(disorder_client *c, | |
269 | char **rp, | |
270 | char **body, int nbody, | |
271 | const char *cmd, ...) { | |
272 | va_list ap; | |
273 | int ret; | |
274 | ||
275 | va_start(ap, cmd); | |
276 | ret = disorder_simple_v(c, rp, cmd, body, nbody, ap); | |
460b9539 | 277 | va_end(ap); |
278 | return ret; | |
279 | } | |
280 | ||
0227f67d RK |
281 | /** @brief Dequote a result string |
282 | * @param rc 0 on success, non-0 on error | |
283 | * @param rp Where result string is stored (UTF-8) | |
284 | * @return @p rc | |
285 | * | |
286 | * This is used as a wrapper around disorder_simple() to dequote | |
287 | * results in place. | |
288 | */ | |
289 | static int dequote(int rc, char **rp) { | |
290 | char **rr; | |
2bead829 | 291 | |
0227f67d RK |
292 | if(!rc) { |
293 | if((rr = split(*rp, 0, SPLIT_QUOTES, 0, 0)) && *rr) { | |
294 | *rp = *rr; | |
295 | return 0; | |
296 | } | |
2e9ba080 | 297 | disorder_error(0, "invalid reply: %s", *rp); |
460b9539 | 298 | } |
2bead829 | 299 | return rc; |
460b9539 | 300 | } |
301 | ||
0227f67d | 302 | /** @brief Generic connection routine |
319d7107 | 303 | * @param conf Configuration to follow |
c4e2cfdd | 304 | * @param c Client |
0227f67d RK |
305 | * @param username Username to log in with or NULL |
306 | * @param password Password to log in with or NULL | |
307 | * @param cookie Cookie to log in with or NULL | |
c4e2cfdd RK |
308 | * @return 0 on success, non-0 on error |
309 | * | |
0227f67d RK |
310 | * @p cookie is tried first if not NULL. If it is NULL then @p |
311 | * username must not be. If @p username is not NULL then nor may @p | |
312 | * password be. | |
c4e2cfdd | 313 | */ |
319d7107 RK |
314 | int disorder_connect_generic(struct config *conf, |
315 | disorder_client *c, | |
316 | const char *username, | |
317 | const char *password, | |
318 | const char *cookie) { | |
2bead829 | 319 | int fd = -1, fd2 = -1, nrvec, rc; |
460b9539 | 320 | unsigned char *nonce; |
321 | size_t nl; | |
322 | const char *res; | |
637fdea3 | 323 | char *r, **rvec; |
7b32e917 | 324 | const char *protocol, *algorithm, *challenge; |
0227f67d RK |
325 | struct sockaddr *sa; |
326 | socklen_t salen; | |
460b9539 | 327 | |
319d7107 | 328 | if((salen = find_server(conf, &sa, &c->ident)) == (socklen_t)-1) |
460b9539 | 329 | return -1; |
460b9539 | 330 | c->fpin = c->fpout = 0; |
331 | if((fd = socket(sa->sa_family, SOCK_STREAM, 0)) < 0) { | |
e9e8a16d | 332 | byte_xasprintf((char **)&c->last, "socket: %s", strerror(errno)); |
2e9ba080 | 333 | disorder_error(errno, "error calling socket"); |
460b9539 | 334 | return -1; |
335 | } | |
0227f67d | 336 | if(connect(fd, sa, salen) < 0) { |
e9e8a16d | 337 | byte_xasprintf((char **)&c->last, "connect: %s", strerror(errno)); |
2e9ba080 | 338 | disorder_error(errno, "error calling connect"); |
460b9539 | 339 | goto error; |
340 | } | |
341 | if((fd2 = dup(fd)) < 0) { | |
e9e8a16d | 342 | byte_xasprintf((char **)&c->last, "dup: %s", strerror(errno)); |
2e9ba080 | 343 | disorder_error(errno, "error calling dup"); |
460b9539 | 344 | goto error; |
345 | } | |
346 | if(!(c->fpin = fdopen(fd, "rb"))) { | |
e9e8a16d | 347 | byte_xasprintf((char **)&c->last, "fdopen: %s", strerror(errno)); |
2e9ba080 | 348 | disorder_error(errno, "error calling fdopen"); |
460b9539 | 349 | goto error; |
350 | } | |
351 | fd = -1; | |
352 | if(!(c->fpout = fdopen(fd2, "wb"))) { | |
e9e8a16d | 353 | byte_xasprintf((char **)&c->last, "fdopen: %s", strerror(errno)); |
2e9ba080 | 354 | disorder_error(errno, "error calling fdopen"); |
460b9539 | 355 | goto error; |
356 | } | |
357 | fd2 = -1; | |
2bead829 | 358 | if((rc = disorder_simple(c, &r, 0, (const char *)0))) |
359 | goto error_rc; | |
637fdea3 | 360 | if(!(rvec = split(r, &nrvec, SPLIT_QUOTES, 0, 0))) |
2bead829 | 361 | goto error; |
7b32e917 | 362 | if(nrvec != 3) { |
e9e8a16d | 363 | c->last = "cannot parse server greeting"; |
2e9ba080 | 364 | disorder_error(0, "cannot parse server greeting %s", r); |
2bead829 | 365 | goto error; |
637fdea3 | 366 | } |
7b32e917 RK |
367 | protocol = *rvec++; |
368 | if(strcmp(protocol, "2")) { | |
e9e8a16d | 369 | c->last = "unknown protocol version"; |
2e9ba080 | 370 | disorder_error(0, "unknown protocol version: %s", protocol); |
2bead829 | 371 | goto error; |
7b32e917 RK |
372 | } |
373 | algorithm = *rvec++; | |
374 | challenge = *rvec++; | |
375 | if(!(nonce = unhex(challenge, &nl))) | |
2bead829 | 376 | goto error; |
0227f67d RK |
377 | if(cookie) { |
378 | if(!dequote(disorder_simple(c, &c->user, "cookie", cookie, (char *)0), | |
379 | &c->user)) | |
380 | return 0; /* success */ | |
381 | if(!username) { | |
e9e8a16d | 382 | c->last = "cookie failed and no username"; |
2e9ba080 | 383 | disorder_error(0, "cookie did not work and no username available"); |
2bead829 | 384 | goto error; |
0227f67d RK |
385 | } |
386 | } | |
e9e8a16d RK |
387 | if(!(res = authhash(nonce, nl, password, algorithm))) { |
388 | c->last = "error computing authorization hash"; | |
389 | goto error; | |
390 | } | |
2bead829 | 391 | if((rc = disorder_simple(c, 0, "user", username, res, (char *)0))) |
392 | goto error_rc; | |
460b9539 | 393 | c->user = xstrdup(username); |
394 | return 0; | |
395 | error: | |
2bead829 | 396 | rc = -1; |
397 | error_rc: | |
398 | if(c->fpin) { | |
399 | fclose(c->fpin); | |
400 | c->fpin = 0; | |
401 | } | |
402 | if(c->fpout) { | |
403 | fclose(c->fpout); | |
404 | c->fpout = 0; | |
405 | } | |
460b9539 | 406 | if(fd2 != -1) close(fd2); |
407 | if(fd != -1) close(fd); | |
2bead829 | 408 | return rc; |
460b9539 | 409 | } |
410 | ||
fdf98378 | 411 | /** @brief Connect a client with a specified username and password |
412 | * @param c Client | |
413 | * @param username Username to log in with | |
414 | * @param password Password to log in with | |
415 | * @return 0 on success, non-0 on error | |
416 | */ | |
417 | int disorder_connect_user(disorder_client *c, | |
418 | const char *username, | |
419 | const char *password) { | |
319d7107 RK |
420 | return disorder_connect_generic(config, |
421 | c, | |
fdf98378 | 422 | username, |
423 | password, | |
424 | 0); | |
425 | } | |
426 | ||
0227f67d RK |
427 | /** @brief Connect a client |
428 | * @param c Client | |
429 | * @return 0 on success, non-0 on error | |
430 | * | |
431 | * The connection will use the username and password found in @ref | |
432 | * config, or directly from the database if no password is found and | |
433 | * the database is readable (usually only for root). | |
434 | */ | |
435 | int disorder_connect(disorder_client *c) { | |
436 | const char *username, *password; | |
437 | ||
438 | if(!(username = config->username)) { | |
e9e8a16d | 439 | c->last = "no username"; |
2e9ba080 | 440 | disorder_error(0, "no username configured"); |
0227f67d RK |
441 | return -1; |
442 | } | |
443 | password = config->password; | |
199c2a23 RK |
444 | /* Maybe we can read the database */ |
445 | if(!password && trackdb_readable()) { | |
0227f67d RK |
446 | trackdb_init(TRACKDB_NO_RECOVER|TRACKDB_NO_UPGRADE); |
447 | trackdb_open(TRACKDB_READ_ONLY); | |
448 | password = trackdb_get_password(username); | |
449 | trackdb_close(); | |
450 | } | |
451 | if(!password) { | |
452 | /* Oh well */ | |
e9e8a16d | 453 | c->last = "no password"; |
2e9ba080 | 454 | disorder_error(0, "no password configured for user '%s'", username); |
0227f67d RK |
455 | return -1; |
456 | } | |
319d7107 RK |
457 | return disorder_connect_generic(config, |
458 | c, | |
0227f67d RK |
459 | username, |
460 | password, | |
461 | 0); | |
462 | } | |
463 | ||
464 | /** @brief Connect a client | |
465 | * @param c Client | |
466 | * @param cookie Cookie to log in with, or NULL | |
467 | * @return 0 on success, non-0 on error | |
468 | * | |
469 | * If @p cookie is NULL or does not work then we attempt to log in as | |
470 | * guest instead (so when the cookie expires only an extra round trip | |
471 | * is needed rathre than a complete new login). | |
472 | */ | |
473 | int disorder_connect_cookie(disorder_client *c, | |
474 | const char *cookie) { | |
319d7107 RK |
475 | return disorder_connect_generic(config, |
476 | c, | |
0227f67d RK |
477 | "guest", |
478 | "", | |
479 | cookie); | |
480 | } | |
481 | ||
c4e2cfdd RK |
482 | /** @brief Close a client |
483 | * @param c Client | |
484 | * @return 0 on succcess, non-0 on errior | |
485 | * | |
486 | * The client is still closed even on error. It might well be | |
487 | * appropriate to ignore the return value. | |
488 | */ | |
460b9539 | 489 | int disorder_close(disorder_client *c) { |
490 | int ret = 0; | |
491 | ||
492 | if(c->fpin) { | |
493 | if(fclose(c->fpin) < 0) { | |
e9e8a16d | 494 | byte_xasprintf((char **)&c->last, "fclose: %s", strerror(errno)); |
2e9ba080 | 495 | disorder_error(errno, "error calling fclose"); |
460b9539 | 496 | ret = -1; |
497 | } | |
498 | c->fpin = 0; | |
499 | } | |
500 | if(c->fpout) { | |
501 | if(fclose(c->fpout) < 0) { | |
e9e8a16d | 502 | byte_xasprintf((char **)&c->last, "fclose: %s", strerror(errno)); |
2e9ba080 | 503 | disorder_error(errno, "error calling fclose"); |
460b9539 | 504 | ret = -1; |
505 | } | |
506 | c->fpout = 0; | |
507 | } | |
0227f67d RK |
508 | c->ident = 0; |
509 | c->user = 0; | |
460b9539 | 510 | return 0; |
511 | } | |
512 | ||
c4e2cfdd RK |
513 | /** @brief Play a track |
514 | * @param c Client | |
515 | * @param track Track to play (UTF-8) | |
516 | * @return 0 on success, non-0 on error | |
517 | */ | |
460b9539 | 518 | int disorder_play(disorder_client *c, const char *track) { |
519 | return disorder_simple(c, 0, "play", track, (char *)0); | |
520 | } | |
521 | ||
c4e2cfdd RK |
522 | /** @brief Remove a track |
523 | * @param c Client | |
524 | * @param track Track to remove (UTF-8) | |
525 | * @return 0 on success, non-0 on error | |
526 | */ | |
460b9539 | 527 | int disorder_remove(disorder_client *c, const char *track) { |
528 | return disorder_simple(c, 0, "remove", track, (char *)0); | |
529 | } | |
530 | ||
c4e2cfdd RK |
531 | /** @brief Move a track |
532 | * @param c Client | |
533 | * @param track Track to move (UTF-8) | |
534 | * @param delta Distance to move by | |
535 | * @return 0 on success, non-0 on error | |
536 | */ | |
460b9539 | 537 | int disorder_move(disorder_client *c, const char *track, int delta) { |
538 | char d[16]; | |
539 | ||
540 | byte_snprintf(d, sizeof d, "%d", delta); | |
541 | return disorder_simple(c, 0, "move", track, d, (char *)0); | |
542 | } | |
543 | ||
c4e2cfdd RK |
544 | /** @brief Enable play |
545 | * @param c Client | |
546 | * @return 0 on success, non-0 on error | |
547 | */ | |
460b9539 | 548 | int disorder_enable(disorder_client *c) { |
549 | return disorder_simple(c, 0, "enable", (char *)0); | |
550 | } | |
551 | ||
c4e2cfdd RK |
552 | /** @brief Disable play |
553 | * @param c Client | |
554 | * @return 0 on success, non-0 on error | |
555 | */ | |
460b9539 | 556 | int disorder_disable(disorder_client *c) { |
557 | return disorder_simple(c, 0, "disable", (char *)0); | |
558 | } | |
559 | ||
c4e2cfdd RK |
560 | /** @brief Scratch the currently playing track |
561 | * @param id Playing track ID or NULL (UTF-8) | |
562 | * @param c Client | |
563 | * @return 0 on success, non-0 on error | |
564 | */ | |
460b9539 | 565 | int disorder_scratch(disorder_client *c, const char *id) { |
566 | return disorder_simple(c, 0, "scratch", id, (char *)0); | |
567 | } | |
568 | ||
c4e2cfdd RK |
569 | /** @brief Shut down the server |
570 | * @param c Client | |
571 | * @return 0 on success, non-0 on error | |
572 | */ | |
460b9539 | 573 | int disorder_shutdown(disorder_client *c) { |
574 | return disorder_simple(c, 0, "shutdown", (char *)0); | |
575 | } | |
576 | ||
c4e2cfdd RK |
577 | /** @brief Make the server re-read its configuration |
578 | * @param c Client | |
579 | * @return 0 on success, non-0 on error | |
580 | */ | |
460b9539 | 581 | int disorder_reconfigure(disorder_client *c) { |
582 | return disorder_simple(c, 0, "reconfigure", (char *)0); | |
583 | } | |
584 | ||
c4e2cfdd RK |
585 | /** @brief Rescan tracks |
586 | * @param c Client | |
587 | * @return 0 on success, non-0 on error | |
588 | */ | |
460b9539 | 589 | int disorder_rescan(disorder_client *c) { |
590 | return disorder_simple(c, 0, "rescan", (char *)0); | |
591 | } | |
592 | ||
c4e2cfdd RK |
593 | /** @brief Get server version number |
594 | * @param c Client | |
595 | * @param rp Where to store version string (UTF-8) | |
596 | * @return 0 on success, non-0 on error | |
597 | */ | |
460b9539 | 598 | int disorder_version(disorder_client *c, char **rp) { |
7b32e917 | 599 | return dequote(disorder_simple(c, rp, "version", (char *)0), rp); |
460b9539 | 600 | } |
601 | ||
602 | static void client_error(const char *msg, | |
603 | void attribute((unused)) *u) { | |
2e9ba080 | 604 | disorder_error(0, "error parsing reply: %s", msg); |
460b9539 | 605 | } |
606 | ||
c4e2cfdd RK |
607 | /** @brief Get currently playing track |
608 | * @param c Client | |
609 | * @param qp Where to store track information | |
610 | * @return 0 on success, non-0 on error | |
611 | * | |
612 | * @p qp gets NULL if no track is playing. | |
613 | */ | |
460b9539 | 614 | int disorder_playing(disorder_client *c, struct queue_entry **qp) { |
615 | char *r; | |
616 | struct queue_entry *q; | |
2bead829 | 617 | int rc; |
460b9539 | 618 | |
2bead829 | 619 | if((rc = disorder_simple(c, &r, "playing", (char *)0))) |
620 | return rc; | |
460b9539 | 621 | if(r) { |
622 | q = xmalloc(sizeof *q); | |
623 | if(queue_unmarshall(q, r, client_error, 0)) | |
624 | return -1; | |
625 | *qp = q; | |
626 | } else | |
627 | *qp = 0; | |
628 | return 0; | |
629 | } | |
630 | ||
0590cedc | 631 | /** @brief Fetch the queue, recent list, etc */ |
460b9539 | 632 | static int disorder_somequeue(disorder_client *c, |
633 | const char *cmd, struct queue_entry **qp) { | |
634 | struct queue_entry *qh, **qt = &qh, *q; | |
635 | char *l; | |
2bead829 | 636 | int rc; |
460b9539 | 637 | |
2bead829 | 638 | if((rc = disorder_simple(c, 0, cmd, (char *)0))) |
639 | return rc; | |
460b9539 | 640 | while(inputline(c->ident, c->fpin, &l, '\n') >= 0) { |
641 | if(!strcmp(l, ".")) { | |
642 | *qt = 0; | |
643 | *qp = qh; | |
644 | return 0; | |
645 | } | |
646 | q = xmalloc(sizeof *q); | |
647 | if(!queue_unmarshall(q, l, client_error, 0)) { | |
648 | *qt = q; | |
649 | qt = &q->next; | |
650 | } | |
651 | } | |
e9e8a16d RK |
652 | if(ferror(c->fpin)) { |
653 | byte_xasprintf((char **)&c->last, "input error: %s", strerror(errno)); | |
2e9ba080 | 654 | disorder_error(errno, "error reading %s", c->ident); |
e9e8a16d RK |
655 | } else { |
656 | c->last = "input error: unexpxected EOF"; | |
2e9ba080 | 657 | disorder_error(0, "error reading %s: unexpected EOF", c->ident); |
e9e8a16d | 658 | } |
460b9539 | 659 | return -1; |
660 | } | |
661 | ||
c4e2cfdd RK |
662 | /** @brief Get recently played tracks |
663 | * @param c Client | |
664 | * @param qp Where to store track information | |
665 | * @return 0 on success, non-0 on error | |
666 | * | |
667 | * The last entry in the list is the most recently played track. | |
668 | */ | |
460b9539 | 669 | int disorder_recent(disorder_client *c, struct queue_entry **qp) { |
670 | return disorder_somequeue(c, "recent", qp); | |
671 | } | |
672 | ||
c4e2cfdd RK |
673 | /** @brief Get queue |
674 | * @param c Client | |
675 | * @param qp Where to store track information | |
676 | * @return 0 on success, non-0 on error | |
677 | * | |
678 | * The first entry in the list will be played next. | |
679 | */ | |
460b9539 | 680 | int disorder_queue(disorder_client *c, struct queue_entry **qp) { |
681 | return disorder_somequeue(c, "queue", qp); | |
682 | } | |
683 | ||
c4e2cfdd RK |
684 | /** @brief Read a dot-stuffed list |
685 | * @param c Client | |
686 | * @param vecp Where to store list (UTF-8) | |
687 | * @param nvecp Where to store number of items, or NULL | |
688 | * @return 0 on success, non-0 on error | |
689 | * | |
690 | * The list will have a final NULL not counted in @p nvecp. | |
691 | */ | |
460b9539 | 692 | static int readlist(disorder_client *c, char ***vecp, int *nvecp) { |
693 | char *l; | |
694 | struct vector v; | |
695 | ||
696 | vector_init(&v); | |
697 | while(inputline(c->ident, c->fpin, &l, '\n') >= 0) { | |
698 | if(!strcmp(l, ".")) { | |
699 | vector_terminate(&v); | |
700 | if(nvecp) | |
701 | *nvecp = v.nvec; | |
702 | *vecp = v.vec; | |
703 | return 0; | |
704 | } | |
705 | vector_append(&v, l + (*l == '.')); | |
706 | } | |
e9e8a16d RK |
707 | if(ferror(c->fpin)) { |
708 | byte_xasprintf((char **)&c->last, "input error: %s", strerror(errno)); | |
2e9ba080 | 709 | disorder_error(errno, "error reading %s", c->ident); |
e9e8a16d RK |
710 | } else { |
711 | c->last = "input error: unexpxected EOF"; | |
2e9ba080 | 712 | disorder_error(0, "error reading %s: unexpected EOF", c->ident); |
e9e8a16d | 713 | } |
460b9539 | 714 | return -1; |
715 | } | |
716 | ||
c4e2cfdd RK |
717 | /** @brief Issue a comamnd and get a list response |
718 | * @param c Client | |
719 | * @param vecp Where to store list (UTF-8) | |
720 | * @param nvecp Where to store number of items, or NULL | |
721 | * @param cmd Command | |
722 | * @return 0 on success, non-0 on error | |
723 | * | |
724 | * The remaining arguments are command arguments, terminated by (char | |
725 | * *)0. They should be in UTF-8. | |
726 | * | |
727 | * 5xx responses count as errors. | |
39c53343 RK |
728 | * |
729 | * See disorder_simple(). | |
c4e2cfdd | 730 | */ |
460b9539 | 731 | static int disorder_simple_list(disorder_client *c, |
732 | char ***vecp, int *nvecp, | |
733 | const char *cmd, ...) { | |
734 | va_list ap; | |
735 | int ret; | |
736 | ||
737 | va_start(ap, cmd); | |
39c53343 | 738 | ret = disorder_simple_v(c, 0, cmd, 0, 0, ap); |
460b9539 | 739 | va_end(ap); |
740 | if(ret) return ret; | |
741 | return readlist(c, vecp, nvecp); | |
742 | } | |
743 | ||
c4e2cfdd RK |
744 | /** @brief List directories below @p dir |
745 | * @param c Client | |
0227f67d | 746 | * @param dir Directory to list, or NULL for root (UTF-8) |
c4e2cfdd RK |
747 | * @param re Regexp that results must match, or NULL (UTF-8) |
748 | * @param vecp Where to store list (UTF-8) | |
749 | * @param nvecp Where to store number of items, or NULL | |
750 | * @return 0 on success, non-0 on error | |
751 | */ | |
460b9539 | 752 | int disorder_directories(disorder_client *c, const char *dir, const char *re, |
753 | char ***vecp, int *nvecp) { | |
754 | return disorder_simple_list(c, vecp, nvecp, "dirs", dir, re, (char *)0); | |
755 | } | |
756 | ||
c4e2cfdd RK |
757 | /** @brief List files below @p dir |
758 | * @param c Client | |
0227f67d | 759 | * @param dir Directory to list, or NULL for root (UTF-8) |
c4e2cfdd RK |
760 | * @param re Regexp that results must match, or NULL (UTF-8) |
761 | * @param vecp Where to store list (UTF-8) | |
762 | * @param nvecp Where to store number of items, or NULL | |
763 | * @return 0 on success, non-0 on error | |
764 | */ | |
460b9539 | 765 | int disorder_files(disorder_client *c, const char *dir, const char *re, |
766 | char ***vecp, int *nvecp) { | |
767 | return disorder_simple_list(c, vecp, nvecp, "files", dir, re, (char *)0); | |
768 | } | |
769 | ||
c4e2cfdd RK |
770 | /** @brief List files and directories below @p dir |
771 | * @param c Client | |
0227f67d | 772 | * @param dir Directory to list, or NULL for root (UTF-8) |
c4e2cfdd RK |
773 | * @param re Regexp that results must match, or NULL (UTF-8) |
774 | * @param vecp Where to store list (UTF-8) | |
775 | * @param nvecp Where to store number of items, or NULL | |
776 | * @return 0 on success, non-0 on error | |
777 | */ | |
460b9539 | 778 | int disorder_allfiles(disorder_client *c, const char *dir, const char *re, |
779 | char ***vecp, int *nvecp) { | |
780 | return disorder_simple_list(c, vecp, nvecp, "allfiles", dir, re, (char *)0); | |
781 | } | |
782 | ||
c4e2cfdd RK |
783 | /** @brief Return the user we logged in with |
784 | * @param c Client | |
785 | * @return User name (owned by @p c, don't modify) | |
786 | */ | |
460b9539 | 787 | char *disorder_user(disorder_client *c) { |
788 | return c->user; | |
789 | } | |
790 | ||
c4e2cfdd RK |
791 | /** @brief Set a track preference |
792 | * @param c Client | |
793 | * @param track Track name (UTF-8) | |
794 | * @param key Preference name (UTF-8) | |
795 | * @param value Preference value (UTF-8) | |
796 | * @return 0 on success, non-0 on error | |
797 | */ | |
460b9539 | 798 | int disorder_set(disorder_client *c, const char *track, |
799 | const char *key, const char *value) { | |
800 | return disorder_simple(c, 0, "set", track, key, value, (char *)0); | |
801 | } | |
802 | ||
c4e2cfdd RK |
803 | /** @brief Unset a track preference |
804 | * @param c Client | |
805 | * @param track Track name (UTF-8) | |
806 | * @param key Preference name (UTF-8) | |
807 | * @return 0 on success, non-0 on error | |
808 | */ | |
460b9539 | 809 | int disorder_unset(disorder_client *c, const char *track, |
810 | const char *key) { | |
811 | return disorder_simple(c, 0, "unset", track, key, (char *)0); | |
812 | } | |
813 | ||
c4e2cfdd RK |
814 | /** @brief Get a track preference |
815 | * @param c Client | |
816 | * @param track Track name (UTF-8) | |
817 | * @param key Preference name (UTF-8) | |
818 | * @param valuep Where to store preference value (UTF-8) | |
819 | * @return 0 on success, non-0 on error | |
820 | */ | |
460b9539 | 821 | int disorder_get(disorder_client *c, |
822 | const char *track, const char *key, char **valuep) { | |
7b32e917 RK |
823 | return dequote(disorder_simple(c, valuep, "get", track, key, (char *)0), |
824 | valuep); | |
460b9539 | 825 | } |
826 | ||
827 | static void pref_error_handler(const char *msg, | |
828 | void attribute((unused)) *u) { | |
2e9ba080 | 829 | disorder_error(0, "error handling 'prefs' reply: %s", msg); |
460b9539 | 830 | } |
831 | ||
158d0961 | 832 | /** @brief Get all preferences for a trcak |
c4e2cfdd RK |
833 | * @param c Client |
834 | * @param track Track name | |
835 | * @param kp Where to store linked list of preferences | |
836 | * @return 0 on success, non-0 on error | |
837 | */ | |
460b9539 | 838 | int disorder_prefs(disorder_client *c, const char *track, struct kvp **kp) { |
839 | char **vec, **pvec; | |
2bead829 | 840 | int nvec, npvec, n, rc; |
460b9539 | 841 | struct kvp *k; |
842 | ||
2bead829 | 843 | if((rc = disorder_simple_list(c, &vec, &nvec, "prefs", track, (char *)0))) |
844 | return rc; | |
460b9539 | 845 | for(n = 0; n < nvec; ++n) { |
846 | if(!(pvec = split(vec[n], &npvec, SPLIT_QUOTES, pref_error_handler, 0))) | |
847 | return -1; | |
848 | if(npvec != 2) { | |
849 | pref_error_handler("malformed response", 0); | |
850 | return -1; | |
851 | } | |
852 | *kp = k = xmalloc(sizeof *k); | |
853 | k->name = pvec[0]; | |
854 | k->value = pvec[1]; | |
855 | kp = &k->next; | |
856 | } | |
857 | *kp = 0; | |
858 | return 0; | |
859 | } | |
860 | ||
c4e2cfdd RK |
861 | /** @brief Parse a boolean response |
862 | * @param cmd Command for use in error messsage | |
863 | * @param value Result from server | |
864 | * @param flagp Where to store result | |
865 | * @return 0 on success, non-0 on error | |
866 | */ | |
460b9539 | 867 | static int boolean(const char *cmd, const char *value, |
868 | int *flagp) { | |
869 | if(!strcmp(value, "yes")) *flagp = 1; | |
870 | else if(!strcmp(value, "no")) *flagp = 0; | |
871 | else { | |
2e9ba080 | 872 | disorder_error(0, "malformed response to '%s'", cmd); |
460b9539 | 873 | return -1; |
874 | } | |
875 | return 0; | |
876 | } | |
877 | ||
c4e2cfdd RK |
878 | /** @brief Test whether a track exists |
879 | * @param c Client | |
880 | * @param track Track name (UTF-8) | |
881 | * @param existsp Where to store result (non-0 iff does exist) | |
882 | * @return 0 on success, non-0 on error | |
883 | */ | |
460b9539 | 884 | int disorder_exists(disorder_client *c, const char *track, int *existsp) { |
885 | char *v; | |
2bead829 | 886 | int rc; |
460b9539 | 887 | |
2bead829 | 888 | if((rc = disorder_simple(c, &v, "exists", track, (char *)0))) |
889 | return rc; | |
460b9539 | 890 | return boolean("exists", v, existsp); |
891 | } | |
892 | ||
c4e2cfdd RK |
893 | /** @brief Test whether playing is enabled |
894 | * @param c Client | |
895 | * @param enabledp Where to store result (non-0 iff enabled) | |
896 | * @return 0 on success, non-0 on error | |
897 | */ | |
460b9539 | 898 | int disorder_enabled(disorder_client *c, int *enabledp) { |
899 | char *v; | |
2bead829 | 900 | int rc; |
460b9539 | 901 | |
2bead829 | 902 | if((rc = disorder_simple(c, &v, "enabled", (char *)0))) |
903 | return rc; | |
460b9539 | 904 | return boolean("enabled", v, enabledp); |
905 | } | |
906 | ||
c4e2cfdd RK |
907 | /** @brief Get the length of a track |
908 | * @param c Client | |
909 | * @param track Track name (UTF-8) | |
910 | * @param valuep Where to store length in seconds | |
911 | * @return 0 on success, non-0 on error | |
912 | * | |
913 | * If the length is unknown 0 is returned. | |
914 | */ | |
460b9539 | 915 | int disorder_length(disorder_client *c, const char *track, |
916 | long *valuep) { | |
917 | char *value; | |
2bead829 | 918 | int rc; |
460b9539 | 919 | |
2bead829 | 920 | if((rc = disorder_simple(c, &value, "length", track, (char *)0))) |
921 | return rc; | |
460b9539 | 922 | *valuep = atol(value); |
923 | return 0; | |
924 | } | |
925 | ||
c4e2cfdd RK |
926 | /** @brief Search for tracks |
927 | * @param c Client | |
928 | * @param terms Search terms (UTF-8) | |
929 | * @param vecp Where to store list (UTF-8) | |
930 | * @param nvecp Where to store number of items, or NULL | |
931 | * @return 0 on success, non-0 on error | |
932 | */ | |
460b9539 | 933 | int disorder_search(disorder_client *c, const char *terms, |
934 | char ***vecp, int *nvecp) { | |
935 | return disorder_simple_list(c, vecp, nvecp, "search", terms, (char *)0); | |
936 | } | |
937 | ||
c4e2cfdd RK |
938 | /** @brief Enable random play |
939 | * @param c Client | |
940 | * @return 0 on success, non-0 on error | |
941 | */ | |
460b9539 | 942 | int disorder_random_enable(disorder_client *c) { |
943 | return disorder_simple(c, 0, "random-enable", (char *)0); | |
944 | } | |
945 | ||
c4e2cfdd RK |
946 | /** @brief Disable random play |
947 | * @param c Client | |
948 | * @return 0 on success, non-0 on error | |
949 | */ | |
460b9539 | 950 | int disorder_random_disable(disorder_client *c) { |
951 | return disorder_simple(c, 0, "random-disable", (char *)0); | |
952 | } | |
953 | ||
c4e2cfdd RK |
954 | /** @brief Test whether random play is enabled |
955 | * @param c Client | |
158d0961 | 956 | * @param enabledp Where to store result (non-0 iff enabled) |
c4e2cfdd RK |
957 | * @return 0 on success, non-0 on error |
958 | */ | |
460b9539 | 959 | int disorder_random_enabled(disorder_client *c, int *enabledp) { |
960 | char *v; | |
2bead829 | 961 | int rc; |
460b9539 | 962 | |
2bead829 | 963 | if((rc = disorder_simple(c, &v, "random-enabled", (char *)0))) |
964 | return rc; | |
460b9539 | 965 | return boolean("random-enabled", v, enabledp); |
966 | } | |
967 | ||
c4e2cfdd RK |
968 | /** @brief Get server stats |
969 | * @param c Client | |
970 | * @param vecp Where to store list (UTF-8) | |
971 | * @param nvecp Where to store number of items, or NULL | |
972 | * @return 0 on success, non-0 on error | |
973 | */ | |
460b9539 | 974 | int disorder_stats(disorder_client *c, |
975 | char ***vecp, int *nvecp) { | |
976 | return disorder_simple_list(c, vecp, nvecp, "stats", (char *)0); | |
977 | } | |
978 | ||
c4e2cfdd RK |
979 | /** @brief Set volume |
980 | * @param c Client | |
981 | * @param left New left channel value | |
982 | * @param right New right channel value | |
983 | * @return 0 on success, non-0 on error | |
984 | */ | |
460b9539 | 985 | int disorder_set_volume(disorder_client *c, int left, int right) { |
986 | char *ls, *rs; | |
987 | ||
988 | if(byte_asprintf(&ls, "%d", left) < 0 | |
989 | || byte_asprintf(&rs, "%d", right) < 0) | |
990 | return -1; | |
2bead829 | 991 | return disorder_simple(c, 0, "volume", ls, rs, (char *)0); |
460b9539 | 992 | } |
993 | ||
c4e2cfdd RK |
994 | /** @brief Get volume |
995 | * @param c Client | |
996 | * @param left Where to store left channel value | |
997 | * @param right Where to store right channel value | |
998 | * @return 0 on success, non-0 on error | |
999 | */ | |
460b9539 | 1000 | int disorder_get_volume(disorder_client *c, int *left, int *right) { |
1001 | char *r; | |
2bead829 | 1002 | int rc; |
460b9539 | 1003 | |
2bead829 | 1004 | if((rc = disorder_simple(c, &r, "volume", (char *)0))) |
1005 | return rc; | |
460b9539 | 1006 | if(sscanf(r, "%d %d", left, right) != 2) { |
e9e8a16d | 1007 | c->last = "malformed volume response"; |
2e9ba080 | 1008 | disorder_error(0, "error parsing response to 'volume': '%s'", r); |
460b9539 | 1009 | return -1; |
1010 | } | |
1011 | return 0; | |
1012 | } | |
1013 | ||
c4e2cfdd RK |
1014 | /** @brief Log to a sink |
1015 | * @param c Client | |
1016 | * @param s Sink to write log lines to | |
1017 | * @return 0 on success, non-0 on error | |
1018 | */ | |
460b9539 | 1019 | int disorder_log(disorder_client *c, struct sink *s) { |
1020 | char *l; | |
2bead829 | 1021 | int rc; |
460b9539 | 1022 | |
2bead829 | 1023 | if((rc = disorder_simple(c, 0, "log", (char *)0))) |
1024 | return rc; | |
460b9539 | 1025 | while(inputline(c->ident, c->fpin, &l, '\n') >= 0 && strcmp(l, ".")) |
1026 | if(sink_printf(s, "%s\n", l) < 0) return -1; | |
e9e8a16d RK |
1027 | if(ferror(c->fpin) || feof(c->fpin)) { |
1028 | byte_xasprintf((char **)&c->last, "input error: %s", | |
1029 | ferror(c->fpin) ? strerror(errno) : "unexpxected EOF"); | |
1030 | return -1; | |
1031 | } | |
460b9539 | 1032 | return 0; |
1033 | } | |
1034 | ||
c4e2cfdd RK |
1035 | /** @brief Look up a track name part |
1036 | * @param c Client | |
1037 | * @param partp Where to store result (UTF-8) | |
1038 | * @param track Track name (UTF-8) | |
1039 | * @param context Context (usually "sort" or "display") (UTF-8) | |
1040 | * @param part Track part (UTF-8) | |
1041 | * @return 0 on success, non-0 on error | |
1042 | */ | |
460b9539 | 1043 | int disorder_part(disorder_client *c, char **partp, |
1044 | const char *track, const char *context, const char *part) { | |
7b32e917 RK |
1045 | return dequote(disorder_simple(c, partp, "part", |
1046 | track, context, part, (char *)0), partp); | |
460b9539 | 1047 | } |
1048 | ||
c4e2cfdd RK |
1049 | /** @brief Resolve aliases |
1050 | * @param c Client | |
158d0961 | 1051 | * @param trackp Where to store canonical name (UTF-8) |
c4e2cfdd RK |
1052 | * @param track Track name (UTF-8) |
1053 | * @return 0 on success, non-0 on error | |
1054 | */ | |
460b9539 | 1055 | int disorder_resolve(disorder_client *c, char **trackp, const char *track) { |
7b32e917 RK |
1056 | return dequote(disorder_simple(c, trackp, "resolve", track, (char *)0), |
1057 | trackp); | |
460b9539 | 1058 | } |
1059 | ||
c4e2cfdd RK |
1060 | /** @brief Pause the current track |
1061 | * @param c Client | |
1062 | * @return 0 on success, non-0 on error | |
1063 | */ | |
460b9539 | 1064 | int disorder_pause(disorder_client *c) { |
1065 | return disorder_simple(c, 0, "pause", (char *)0); | |
1066 | } | |
1067 | ||
c4e2cfdd RK |
1068 | /** @brief Resume the current track |
1069 | * @param c Client | |
1070 | * @return 0 on success, non-0 on error | |
1071 | */ | |
460b9539 | 1072 | int disorder_resume(disorder_client *c) { |
1073 | return disorder_simple(c, 0, "resume", (char *)0); | |
1074 | } | |
1075 | ||
c4e2cfdd RK |
1076 | /** @brief List all known tags |
1077 | * @param c Client | |
1078 | * @param vecp Where to store list (UTF-8) | |
1079 | * @param nvecp Where to store number of items, or NULL | |
1080 | * @return 0 on success, non-0 on error | |
1081 | */ | |
460b9539 | 1082 | int disorder_tags(disorder_client *c, |
1083 | char ***vecp, int *nvecp) { | |
1084 | return disorder_simple_list(c, vecp, nvecp, "tags", (char *)0); | |
1085 | } | |
1086 | ||
c4e2cfdd RK |
1087 | /** @brief List all known users |
1088 | * @param c Client | |
1089 | * @param vecp Where to store list (UTF-8) | |
1090 | * @param nvecp Where to store number of items, or NULL | |
1091 | * @return 0 on success, non-0 on error | |
1092 | */ | |
c3be4f19 RK |
1093 | int disorder_users(disorder_client *c, |
1094 | char ***vecp, int *nvecp) { | |
1095 | return disorder_simple_list(c, vecp, nvecp, "users", (char *)0); | |
1096 | } | |
1097 | ||
c4e2cfdd | 1098 | /** @brief Get recently added tracks |
2a10b70b | 1099 | * @param c Client |
c4e2cfdd | 1100 | * @param vecp Where to store pointer to list (UTF-8) |
2a10b70b RK |
1101 | * @param nvecp Where to store count |
1102 | * @param max Maximum tracks to fetch, or 0 for all available | |
1103 | * @return 0 on success, non-0 on error | |
1104 | */ | |
1105 | int disorder_new_tracks(disorder_client *c, | |
1106 | char ***vecp, int *nvecp, | |
1107 | int max) { | |
1108 | char limit[32]; | |
1109 | ||
1110 | sprintf(limit, "%d", max); | |
1111 | return disorder_simple_list(c, vecp, nvecp, "new", limit, (char *)0); | |
1112 | } | |
1113 | ||
c4e2cfdd RK |
1114 | /** @brief Set a global preference |
1115 | * @param c Client | |
1116 | * @param key Preference name (UTF-8) | |
1117 | * @param value Preference value (UTF-8) | |
1118 | * @return 0 on success, non-0 on error | |
1119 | */ | |
460b9539 | 1120 | int disorder_set_global(disorder_client *c, |
1121 | const char *key, const char *value) { | |
1122 | return disorder_simple(c, 0, "set-global", key, value, (char *)0); | |
1123 | } | |
1124 | ||
c4e2cfdd RK |
1125 | /** @brief Unset a global preference |
1126 | * @param c Client | |
1127 | * @param key Preference name (UTF-8) | |
1128 | * @return 0 on success, non-0 on error | |
1129 | */ | |
460b9539 | 1130 | int disorder_unset_global(disorder_client *c, const char *key) { |
1131 | return disorder_simple(c, 0, "unset-global", key, (char *)0); | |
1132 | } | |
1133 | ||
c4e2cfdd RK |
1134 | /** @brief Get a global preference |
1135 | * @param c Client | |
1136 | * @param key Preference name (UTF-8) | |
1137 | * @param valuep Where to store preference value (UTF-8) | |
1138 | * @return 0 on success, non-0 on error | |
1139 | */ | |
460b9539 | 1140 | int disorder_get_global(disorder_client *c, const char *key, char **valuep) { |
7b32e917 RK |
1141 | return dequote(disorder_simple(c, valuep, "get-global", key, (char *)0), |
1142 | valuep); | |
460b9539 | 1143 | } |
1144 | ||
c4e2cfdd RK |
1145 | /** @brief Get server's RTP address information |
1146 | * @param c Client | |
1147 | * @param addressp Where to store address (UTF-8) | |
1148 | * @param portp Where to store port (UTF-8) | |
1149 | * @return 0 on success, non-0 on error | |
1150 | */ | |
ca831831 RK |
1151 | int disorder_rtp_address(disorder_client *c, char **addressp, char **portp) { |
1152 | char *r; | |
1153 | int rc, n; | |
1154 | char **vec; | |
1155 | ||
1156 | if((rc = disorder_simple(c, &r, "rtp-address", (char *)0))) | |
1157 | return rc; | |
1158 | vec = split(r, &n, SPLIT_QUOTES, 0, 0); | |
1159 | if(n != 2) { | |
e9e8a16d | 1160 | c->last = "malformed RTP address"; |
2e9ba080 | 1161 | disorder_error(0, "malformed rtp-address reply"); |
ca831831 RK |
1162 | return -1; |
1163 | } | |
1164 | *addressp = vec[0]; | |
1165 | *portp = vec[1]; | |
1166 | return 0; | |
1167 | } | |
1168 | ||
c4e2cfdd RK |
1169 | /** @brief Create a user |
1170 | * @param c Client | |
1171 | * @param user Username | |
1172 | * @param password Password | |
1173 | * @param rights Initial rights or NULL to use default | |
1174 | * @return 0 on success, non-0 on error | |
1175 | */ | |
f0feb22e | 1176 | int disorder_adduser(disorder_client *c, |
0f55e905 RK |
1177 | const char *user, const char *password, |
1178 | const char *rights) { | |
1179 | return disorder_simple(c, 0, "adduser", user, password, rights, (char *)0); | |
f0feb22e RK |
1180 | } |
1181 | ||
c4e2cfdd RK |
1182 | /** @brief Delete a user |
1183 | * @param c Client | |
1184 | * @param user Username | |
1185 | * @return 0 on success, non-0 on error | |
1186 | */ | |
f0feb22e RK |
1187 | int disorder_deluser(disorder_client *c, const char *user) { |
1188 | return disorder_simple(c, 0, "deluser", user, (char *)0); | |
1189 | } | |
1190 | ||
c4e2cfdd RK |
1191 | /** @brief Get user information |
1192 | * @param c Client | |
1193 | * @param user Username | |
1194 | * @param key Property name (UTF-8) | |
1195 | * @param valuep Where to store value (UTF-8) | |
1196 | * @return 0 on success, non-0 on error | |
1197 | */ | |
a55c70c7 RK |
1198 | int disorder_userinfo(disorder_client *c, const char *user, const char *key, |
1199 | char **valuep) { | |
7b32e917 RK |
1200 | return dequote(disorder_simple(c, valuep, "userinfo", user, key, (char *)0), |
1201 | valuep); | |
5df73aeb RK |
1202 | } |
1203 | ||
c4e2cfdd RK |
1204 | /** @brief Set user information |
1205 | * @param c Client | |
1206 | * @param user Username | |
1207 | * @param key Property name (UTF-8) | |
1208 | * @param value New property value (UTF-8) | |
1209 | * @return 0 on success, non-0 on error | |
1210 | */ | |
5df73aeb RK |
1211 | int disorder_edituser(disorder_client *c, const char *user, |
1212 | const char *key, const char *value) { | |
1213 | return disorder_simple(c, 0, "edituser", user, key, value, (char *)0); | |
1214 | } | |
1215 | ||
c4e2cfdd RK |
1216 | /** @brief Register a user |
1217 | * @param c Client | |
1218 | * @param user Username | |
1219 | * @param password Password | |
1220 | * @param email Email address (UTF-8) | |
c4e2cfdd RK |
1221 | * @param confirmp Where to store confirmation string |
1222 | * @return 0 on success, non-0 on error | |
1223 | */ | |
ba39faf6 RK |
1224 | int disorder_register(disorder_client *c, const char *user, |
1225 | const char *password, const char *email, | |
1226 | char **confirmp) { | |
1227 | return dequote(disorder_simple(c, confirmp, "register", | |
1228 | user, password, email, (char *)0), | |
1229 | confirmp); | |
1230 | } | |
1231 | ||
c4e2cfdd RK |
1232 | /** @brief Confirm a user |
1233 | * @param c Client | |
1234 | * @param confirm Confirmation string | |
1235 | * @return 0 on success, non-0 on error | |
1236 | */ | |
ba39faf6 | 1237 | int disorder_confirm(disorder_client *c, const char *confirm) { |
30365519 | 1238 | char *u; |
1239 | int rc; | |
1240 | ||
1241 | if(!(rc = dequote(disorder_simple(c, &u, "confirm", confirm, (char *)0), | |
1242 | &u))) | |
1243 | c->user = u; | |
1244 | return rc; | |
ba39faf6 RK |
1245 | } |
1246 | ||
c4e2cfdd RK |
1247 | /** @brief Make a cookie for this login |
1248 | * @param c Client | |
1249 | * @param cookiep Where to store cookie string | |
1250 | * @return 0 on success, non-0 on error | |
1251 | */ | |
07969f9b RK |
1252 | int disorder_make_cookie(disorder_client *c, char **cookiep) { |
1253 | return dequote(disorder_simple(c, cookiep, "make-cookie", (char *)0), | |
1254 | cookiep); | |
1255 | } | |
1256 | ||
b42ffad6 | 1257 | /** @brief Revoke the cookie used by this session |
1258 | * @param c Client | |
1259 | * @return 0 on success, non-0 on error | |
1260 | */ | |
1261 | int disorder_revoke(disorder_client *c) { | |
1262 | return disorder_simple(c, 0, "revoke", (char *)0); | |
1263 | } | |
1264 | ||
6207d2f3 | 1265 | /** @brief Request a password reminder email |
1266 | * @param c Client | |
1267 | * @param user Username | |
1268 | * @return 0 on success, non-0 on error | |
1269 | */ | |
1270 | int disorder_reminder(disorder_client *c, const char *user) { | |
1271 | return disorder_simple(c, 0, "reminder", user, (char *)0); | |
1272 | } | |
1273 | ||
758aa6c3 RK |
1274 | /** @brief List scheduled events |
1275 | * @param c Client | |
1276 | * @param idsp Where to put list of event IDs | |
1277 | * @param nidsp Where to put count of event IDs, or NULL | |
1278 | * @return 0 on success, non-0 on error | |
1279 | */ | |
1280 | int disorder_schedule_list(disorder_client *c, char ***idsp, int *nidsp) { | |
1281 | return disorder_simple_list(c, idsp, nidsp, "schedule-list", (char *)0); | |
1282 | } | |
1283 | ||
1284 | /** @brief Delete a scheduled event | |
1285 | * @param c Client | |
1286 | * @param id Event ID to delete | |
1287 | * @return 0 on success, non-0 on error | |
1288 | */ | |
1289 | int disorder_schedule_del(disorder_client *c, const char *id) { | |
1290 | return disorder_simple(c, 0, "schedule-del", id, (char *)0); | |
1291 | } | |
1292 | ||
1293 | /** @brief Get details of a scheduled event | |
1294 | * @param c Client | |
1295 | * @param id Event ID | |
1296 | * @param actiondatap Where to put details | |
1297 | * @return 0 on success, non-0 on error | |
1298 | */ | |
1299 | int disorder_schedule_get(disorder_client *c, const char *id, | |
1300 | struct kvp **actiondatap) { | |
1301 | char **lines, **bits; | |
1302 | int rc, nbits; | |
1303 | ||
1304 | *actiondatap = 0; | |
1305 | if((rc = disorder_simple_list(c, &lines, NULL, | |
1306 | "schedule-get", id, (char *)0))) | |
1307 | return rc; | |
1308 | while(*lines) { | |
1309 | if(!(bits = split(*lines++, &nbits, SPLIT_QUOTES, 0, 0))) { | |
2e9ba080 | 1310 | disorder_error(0, "invalid schedule-get reply: cannot split line"); |
758aa6c3 RK |
1311 | return -1; |
1312 | } | |
1313 | if(nbits != 2) { | |
2e9ba080 | 1314 | disorder_error(0, "invalid schedule-get reply: wrong number of fields"); |
758aa6c3 RK |
1315 | return -1; |
1316 | } | |
1317 | kvp_set(actiondatap, bits[0], bits[1]); | |
1318 | } | |
1319 | return 0; | |
1320 | } | |
1321 | ||
1322 | /** @brief Add a scheduled event | |
1323 | * @param c Client | |
1324 | * @param when When to trigger the event | |
1325 | * @param priority Event priority ("normal" or "junk") | |
1326 | * @param action What action to perform | |
1327 | * @param ... Action-specific arguments | |
1328 | * @return 0 on success, non-0 on error | |
1329 | * | |
1330 | * For action @c "play" the next argument is the track. | |
1331 | * | |
1332 | * For action @c "set-global" next argument is the global preference name | |
1333 | * and the final argument the value to set it to, or (char *)0 to unset it. | |
1334 | */ | |
1335 | int disorder_schedule_add(disorder_client *c, | |
1336 | time_t when, | |
1337 | const char *priority, | |
1338 | const char *action, | |
1339 | ...) { | |
1340 | va_list ap; | |
1341 | char when_str[64]; | |
1342 | int rc; | |
1343 | ||
1344 | snprintf(when_str, sizeof when_str, "%lld", (long long)when); | |
1345 | va_start(ap, action); | |
1346 | if(!strcmp(action, "play")) | |
6c13a317 RK |
1347 | rc = disorder_simple(c, 0, "schedule-add", when_str, priority, |
1348 | action, va_arg(ap, char *), | |
1349 | (char *)0); | |
1350 | else if(!strcmp(action, "set-global")) { | |
1351 | const char *key = va_arg(ap, char *); | |
1352 | const char *value = va_arg(ap, char *); | |
1353 | rc = disorder_simple(c, 0,"schedule-add", when_str, priority, | |
1354 | action, key, value, | |
1355 | (char *)0); | |
1356 | } else | |
2e9ba080 | 1357 | disorder_fatal(0, "unknown action '%s'", action); |
758aa6c3 RK |
1358 | va_end(ap); |
1359 | return rc; | |
1360 | } | |
1361 | ||
d42e98ca RK |
1362 | /** @brief Adopt a track |
1363 | * @param c Client | |
1364 | * @param id Track ID to adopt | |
1365 | * @return 0 on success, non-0 on error | |
1366 | */ | |
1367 | int disorder_adopt(disorder_client *c, const char *id) { | |
1368 | return disorder_simple(c, 0, "adopt", id, (char *)0); | |
1369 | } | |
1370 | ||
39c53343 RK |
1371 | /** @brief Delete a playlist |
1372 | * @param c Client | |
1373 | * @param playlist Playlist to delete | |
1374 | * @return 0 on success, non-0 on error | |
1375 | */ | |
1376 | int disorder_playlist_delete(disorder_client *c, | |
1377 | const char *playlist) { | |
1378 | return disorder_simple(c, 0, "playlist-delete", playlist, (char *)0); | |
1379 | } | |
1380 | ||
1381 | /** @brief Get the contents of a playlist | |
1382 | * @param c Client | |
1383 | * @param playlist Playlist to get | |
1384 | * @param tracksp Where to put list of tracks | |
1385 | * @param ntracksp Where to put count of tracks | |
1386 | * @return 0 on success, non-0 on error | |
1387 | */ | |
1388 | int disorder_playlist_get(disorder_client *c, const char *playlist, | |
1389 | char ***tracksp, int *ntracksp) { | |
1390 | return disorder_simple_list(c, tracksp, ntracksp, | |
1391 | "playlist-get", playlist, (char *)0); | |
1392 | } | |
1393 | ||
1394 | /** @brief List all readable playlists | |
1395 | * @param c Client | |
1396 | * @param playlistsp Where to put list of playlists | |
1397 | * @param nplaylistsp Where to put count of playlists | |
1398 | * @return 0 on success, non-0 on error | |
1399 | */ | |
1400 | int disorder_playlists(disorder_client *c, | |
1401 | char ***playlistsp, int *nplaylistsp) { | |
1402 | return disorder_simple_list(c, playlistsp, nplaylistsp, | |
1403 | "playlists", (char *)0); | |
1404 | } | |
1405 | ||
1406 | /** @brief Get the sharing status of a playlist | |
1407 | * @param c Client | |
1408 | * @param playlist Playlist to inspect | |
1409 | * @param sharep Where to put sharing status | |
1410 | * @return 0 on success, non-0 on error | |
1411 | * | |
1412 | * Possible @p sharep values are @c public, @c private and @c shared. | |
1413 | */ | |
1414 | int disorder_playlist_get_share(disorder_client *c, const char *playlist, | |
1415 | char **sharep) { | |
1416 | return disorder_simple(c, sharep, | |
1417 | "playlist-get-share", playlist, (char *)0); | |
1418 | } | |
1419 | ||
1420 | /** @brief Get the sharing status of a playlist | |
1421 | * @param c Client | |
1422 | * @param playlist Playlist to modify | |
1423 | * @param share New sharing status | |
1424 | * @return 0 on success, non-0 on error | |
1425 | * | |
1426 | * Possible @p share values are @c public, @c private and @c shared. | |
1427 | */ | |
1428 | int disorder_playlist_set_share(disorder_client *c, const char *playlist, | |
1429 | const char *share) { | |
1430 | return disorder_simple(c, 0, | |
1431 | "playlist-set-share", playlist, share, (char *)0); | |
1432 | } | |
1433 | ||
1434 | /** @brief Lock a playlist for modifications | |
1435 | * @param c Client | |
1436 | * @param playlist Playlist to lock | |
1437 | * @return 0 on success, non-0 on error | |
1438 | */ | |
1439 | int disorder_playlist_lock(disorder_client *c, const char *playlist) { | |
1440 | return disorder_simple(c, 0, | |
1441 | "playlist-lock", playlist, (char *)0); | |
1442 | } | |
1443 | ||
1444 | /** @brief Unlock the locked playlist | |
1445 | * @param c Client | |
1446 | * @return 0 on success, non-0 on error | |
1447 | */ | |
1448 | int disorder_playlist_unlock(disorder_client *c) { | |
1449 | return disorder_simple(c, 0, | |
1450 | "playlist-unlock", (char *)0); | |
1451 | } | |
1452 | ||
1453 | /** @brief Set the contents of a playlst | |
1454 | * @param c Client | |
1455 | * @param playlist Playlist to modify | |
1456 | * @param tracks List of tracks | |
1457 | * @param ntracks Length of @p tracks (or -1 to count up to the first NULL) | |
1458 | * @return 0 on success, non-0 on error | |
1459 | */ | |
1460 | int disorder_playlist_set(disorder_client *c, | |
1461 | const char *playlist, | |
1462 | char **tracks, | |
1463 | int ntracks) { | |
1464 | return disorder_simple_body(c, 0, tracks, ntracks, | |
1465 | "playlist-set", playlist, (char *)0); | |
1466 | } | |
1467 | ||
460b9539 | 1468 | /* |
1469 | Local Variables: | |
1470 | c-basic-offset:2 | |
1471 | comment-column:40 | |
1472 | End: | |
1473 | */ |