Commit | Line | Data |
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460b9539 | 1 | /* |
2 | * This file is part of DisOrder. | |
5aff007d | 3 | * Copyright (C) 2004-2008 Richard Kettlewell |
460b9539 | 4 | * |
5 | * This program is free software; you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License as published by | |
7 | * the Free Software Foundation; either version 2 of the License, or | |
8 | * (at your option) any later version. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, but | |
11 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | * General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with this program; if not, write to the Free Software | |
17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 | |
18 | * USA | |
19 | */ | |
c4e2cfdd RK |
20 | /** @file lib/client.c |
21 | * @brief Simple C client | |
22 | * | |
158d0961 | 23 | * See @ref lib/eclient.c for an asynchronous-capable client |
c4e2cfdd RK |
24 | * implementation. |
25 | */ | |
460b9539 | 26 | |
05b75f8d | 27 | #include "common.h" |
460b9539 | 28 | |
29 | #include <sys/types.h> | |
30 | #include <sys/socket.h> | |
31 | #include <netinet/in.h> | |
32 | #include <sys/un.h> | |
460b9539 | 33 | #include <unistd.h> |
34 | #include <errno.h> | |
35 | #include <netdb.h> | |
f0feb22e | 36 | #include <pcre.h> |
460b9539 | 37 | |
38 | #include "log.h" | |
39 | #include "mem.h" | |
460b9539 | 40 | #include "queue.h" |
41 | #include "client.h" | |
42 | #include "charset.h" | |
43 | #include "hex.h" | |
44 | #include "split.h" | |
45 | #include "vector.h" | |
46 | #include "inputline.h" | |
47 | #include "kvp.h" | |
48 | #include "syscalls.h" | |
49 | #include "printf.h" | |
50 | #include "sink.h" | |
51 | #include "addr.h" | |
52 | #include "authhash.h" | |
53 | #include "client-common.h" | |
5df73aeb | 54 | #include "rights.h" |
f0feb22e | 55 | #include "trackdb.h" |
758aa6c3 | 56 | #include "kvp.h" |
460b9539 | 57 | |
0590cedc | 58 | /** @brief Client handle contents */ |
460b9539 | 59 | struct disorder_client { |
0590cedc RK |
60 | /** @brief Stream to read from */ |
61 | FILE *fpin; | |
62 | /** @brief Stream to write to */ | |
63 | FILE *fpout; | |
64 | /** @brief Peer description */ | |
460b9539 | 65 | char *ident; |
0590cedc | 66 | /** @brief Username */ |
460b9539 | 67 | char *user; |
0590cedc | 68 | /** @brief Report errors to @c stderr */ |
460b9539 | 69 | int verbose; |
0590cedc | 70 | /** @brief Last error string */ |
e9e8a16d | 71 | const char *last; |
460b9539 | 72 | }; |
73 | ||
c4e2cfdd RK |
74 | /** @brief Create a new client |
75 | * @param verbose If nonzero, write extra junk to stderr | |
76 | * @return Pointer to new client | |
77 | * | |
fdf98378 | 78 | * You must call disorder_connect(), disorder_connect_user() or |
79 | * disorder_connect_cookie() to connect it. Use disorder_close() to | |
80 | * dispose of the client when finished with it. | |
c4e2cfdd | 81 | */ |
460b9539 | 82 | disorder_client *disorder_new(int verbose) { |
83 | disorder_client *c = xmalloc(sizeof (struct disorder_client)); | |
84 | ||
85 | c->verbose = verbose; | |
86 | return c; | |
87 | } | |
88 | ||
c4e2cfdd RK |
89 | /** @brief Read a response line |
90 | * @param c Client | |
91 | * @param rp Where to store response, or NULL (UTF-8) | |
92 | * @return Response code 0-999 or -1 on error | |
93 | */ | |
460b9539 | 94 | static int response(disorder_client *c, char **rp) { |
95 | char *r; | |
96 | ||
e9e8a16d RK |
97 | if(inputline(c->ident, c->fpin, &r, '\n')) { |
98 | byte_xasprintf((char **)&c->last, "input error: %s", strerror(errno)); | |
460b9539 | 99 | return -1; |
e9e8a16d | 100 | } |
460b9539 | 101 | D(("response: %s", r)); |
102 | if(rp) | |
103 | *rp = r; | |
104 | if(r[0] >= '0' && r[0] <= '9' | |
105 | && r[1] >= '0' && r[1] <= '9' | |
106 | && r[2] >= '0' && r[2] <= '9' | |
bb037be2 | 107 | && r[3] == ' ') { |
108 | c->last = r + 4; | |
460b9539 | 109 | return (r[0] * 10 + r[1]) * 10 + r[2] - 111 * '0'; |
bb037be2 | 110 | } else { |
e9e8a16d | 111 | c->last = "invalid reply format"; |
460b9539 | 112 | error(0, "invalid reply format from %s", c->ident); |
113 | return -1; | |
114 | } | |
115 | } | |
116 | ||
bb037be2 | 117 | /** @brief Return last response string |
118 | * @param c Client | |
119 | * @return Last response string (UTF-8, English) or NULL | |
120 | */ | |
121 | const char *disorder_last(disorder_client *c) { | |
122 | return c->last; | |
123 | } | |
124 | ||
c4e2cfdd RK |
125 | /** @brief Read and partially parse a response |
126 | * @param c Client | |
127 | * @param rp Where to store response text (or NULL) (UTF-8) | |
128 | * @return 0 on success, non-0 on error | |
129 | * | |
130 | * 5xx responses count as errors. | |
131 | * | |
132 | * @p rp will NOT be filled in for xx9 responses (where it is just | |
133 | * commentary for a command where it would normally be meaningful). | |
134 | * | |
135 | * NB that the response will NOT be converted to the local encoding. | |
460b9539 | 136 | */ |
137 | static int check_response(disorder_client *c, char **rp) { | |
138 | int rc; | |
139 | char *r; | |
140 | ||
141 | if((rc = response(c, &r)) == -1) | |
142 | return -1; | |
143 | else if(rc / 100 == 2) { | |
144 | if(rp) | |
145 | *rp = (rc % 10 == 9) ? 0 : xstrdup(r + 4); | |
146 | return 0; | |
147 | } else { | |
148 | if(c->verbose) | |
149 | error(0, "from %s: %s", c->ident, utf82mb(r)); | |
2bead829 | 150 | return rc; |
460b9539 | 151 | } |
152 | } | |
153 | ||
c4e2cfdd RK |
154 | /** @brief Issue a command and parse a simple response |
155 | * @param c Client | |
156 | * @param rp Where to store result, or NULL | |
157 | * @param cmd Command | |
39c53343 RK |
158 | * @param body Body or NULL |
159 | * @param nbody Length of body or -1 | |
c4e2cfdd RK |
160 | * @param ap Arguments (UTF-8), terminated by (char *)0 |
161 | * @return 0 on success, non-0 on error | |
162 | * | |
163 | * 5xx responses count as errors. | |
164 | * | |
165 | * @p rp will NOT be filled in for xx9 responses (where it is just | |
166 | * commentary for a command where it would normally be meaningful). | |
167 | * | |
168 | * NB that the response will NOT be converted to the local encoding | |
169 | * nor will quotes be stripped. See dequote(). | |
39c53343 RK |
170 | * |
171 | * If @p body is not NULL then the body is sent immediately after the | |
172 | * command. @p nbody should be the number of lines or @c -1 to count | |
173 | * them if @p body is NULL-terminated. | |
174 | * | |
175 | * Usually you would call this via one of the following interfaces: | |
176 | * - disorder_simple() | |
177 | * - disorder_simple_body() | |
178 | * - disorder_simple_list() | |
c4e2cfdd | 179 | */ |
460b9539 | 180 | static int disorder_simple_v(disorder_client *c, |
181 | char **rp, | |
39c53343 RK |
182 | const char *cmd, |
183 | char **body, int nbody, | |
184 | va_list ap) { | |
460b9539 | 185 | const char *arg; |
186 | struct dynstr d; | |
187 | ||
62ef2216 | 188 | if(!c->fpout) { |
e9e8a16d | 189 | c->last = "not connected"; |
62ef2216 | 190 | error(0, "not connected to server"); |
191 | return -1; | |
192 | } | |
460b9539 | 193 | if(cmd) { |
194 | dynstr_init(&d); | |
195 | dynstr_append_string(&d, cmd); | |
196 | while((arg = va_arg(ap, const char *))) { | |
197 | dynstr_append(&d, ' '); | |
198 | dynstr_append_string(&d, quoteutf8(arg)); | |
199 | } | |
200 | dynstr_append(&d, '\n'); | |
201 | dynstr_terminate(&d); | |
202 | D(("command: %s", d.vec)); | |
39c53343 RK |
203 | if(fputs(d.vec, c->fpout) < 0) |
204 | goto write_error; | |
205 | if(body) { | |
206 | if(nbody < 0) | |
207 | for(nbody = 0; body[nbody]; ++nbody) | |
208 | ; | |
209 | for(int n = 0; n < nbody; ++n) { | |
210 | if(body[n][0] == '.') | |
211 | if(fputc('.', c->fpout) < 0) | |
212 | goto write_error; | |
213 | if(fputs(body[n], c->fpout) < 0) | |
214 | goto write_error; | |
215 | if(fputc('\n', c->fpout) < 0) | |
216 | goto write_error; | |
217 | } | |
218 | if(fputs(".\n", c->fpout) < 0) | |
219 | goto write_error; | |
460b9539 | 220 | } |
39c53343 RK |
221 | if(fflush(c->fpout)) |
222 | goto write_error; | |
460b9539 | 223 | } |
224 | return check_response(c, rp); | |
39c53343 RK |
225 | write_error: |
226 | byte_xasprintf((char **)&c->last, "write error: %s", strerror(errno)); | |
227 | error(errno, "error writing to %s", c->ident); | |
228 | return -1; | |
460b9539 | 229 | } |
230 | ||
c4e2cfdd RK |
231 | /** @brief Issue a command and parse a simple response |
232 | * @param c Client | |
233 | * @param rp Where to store result, or NULL (UTF-8) | |
234 | * @param cmd Command | |
235 | * @return 0 on success, non-0 on error | |
236 | * | |
237 | * The remaining arguments are command arguments, terminated by (char | |
238 | * *)0. They should be in UTF-8. | |
239 | * | |
240 | * 5xx responses count as errors. | |
241 | * | |
242 | * @p rp will NOT be filled in for xx9 responses (where it is just | |
243 | * commentary for a command where it would normally be meaningful). | |
244 | * | |
245 | * NB that the response will NOT be converted to the local encoding | |
246 | * nor will quotes be stripped. See dequote(). | |
460b9539 | 247 | */ |
248 | static int disorder_simple(disorder_client *c, | |
249 | char **rp, | |
250 | const char *cmd, ...) { | |
251 | va_list ap; | |
252 | int ret; | |
253 | ||
254 | va_start(ap, cmd); | |
39c53343 RK |
255 | ret = disorder_simple_v(c, rp, cmd, 0, 0, ap); |
256 | va_end(ap); | |
257 | return ret; | |
258 | } | |
259 | ||
260 | /** @brief Issue a command with a body and parse a simple response | |
261 | * @param c Client | |
262 | * @param rp Where to store result, or NULL (UTF-8) | |
263 | * @param body Pointer to body | |
264 | * @param nbody Size of body | |
265 | * @param cmd Command | |
266 | * @return 0 on success, non-0 on error | |
267 | * | |
268 | * See disorder_simple(). | |
269 | */ | |
270 | static int disorder_simple_body(disorder_client *c, | |
271 | char **rp, | |
272 | char **body, int nbody, | |
273 | const char *cmd, ...) { | |
274 | va_list ap; | |
275 | int ret; | |
276 | ||
277 | va_start(ap, cmd); | |
278 | ret = disorder_simple_v(c, rp, cmd, body, nbody, ap); | |
460b9539 | 279 | va_end(ap); |
280 | return ret; | |
281 | } | |
282 | ||
0227f67d RK |
283 | /** @brief Dequote a result string |
284 | * @param rc 0 on success, non-0 on error | |
285 | * @param rp Where result string is stored (UTF-8) | |
286 | * @return @p rc | |
287 | * | |
288 | * This is used as a wrapper around disorder_simple() to dequote | |
289 | * results in place. | |
290 | */ | |
291 | static int dequote(int rc, char **rp) { | |
292 | char **rr; | |
2bead829 | 293 | |
0227f67d RK |
294 | if(!rc) { |
295 | if((rr = split(*rp, 0, SPLIT_QUOTES, 0, 0)) && *rr) { | |
296 | *rp = *rr; | |
297 | return 0; | |
298 | } | |
299 | error(0, "invalid reply: %s", *rp); | |
460b9539 | 300 | } |
2bead829 | 301 | return rc; |
460b9539 | 302 | } |
303 | ||
0227f67d | 304 | /** @brief Generic connection routine |
319d7107 | 305 | * @param conf Configuration to follow |
c4e2cfdd | 306 | * @param c Client |
0227f67d RK |
307 | * @param username Username to log in with or NULL |
308 | * @param password Password to log in with or NULL | |
309 | * @param cookie Cookie to log in with or NULL | |
c4e2cfdd RK |
310 | * @return 0 on success, non-0 on error |
311 | * | |
0227f67d RK |
312 | * @p cookie is tried first if not NULL. If it is NULL then @p |
313 | * username must not be. If @p username is not NULL then nor may @p | |
314 | * password be. | |
c4e2cfdd | 315 | */ |
319d7107 RK |
316 | int disorder_connect_generic(struct config *conf, |
317 | disorder_client *c, | |
318 | const char *username, | |
319 | const char *password, | |
320 | const char *cookie) { | |
2bead829 | 321 | int fd = -1, fd2 = -1, nrvec, rc; |
460b9539 | 322 | unsigned char *nonce; |
323 | size_t nl; | |
324 | const char *res; | |
637fdea3 | 325 | char *r, **rvec; |
7b32e917 | 326 | const char *protocol, *algorithm, *challenge; |
0227f67d RK |
327 | struct sockaddr *sa; |
328 | socklen_t salen; | |
460b9539 | 329 | |
319d7107 | 330 | if((salen = find_server(conf, &sa, &c->ident)) == (socklen_t)-1) |
460b9539 | 331 | return -1; |
460b9539 | 332 | c->fpin = c->fpout = 0; |
333 | if((fd = socket(sa->sa_family, SOCK_STREAM, 0)) < 0) { | |
e9e8a16d | 334 | byte_xasprintf((char **)&c->last, "socket: %s", strerror(errno)); |
460b9539 | 335 | error(errno, "error calling socket"); |
336 | return -1; | |
337 | } | |
0227f67d | 338 | if(connect(fd, sa, salen) < 0) { |
e9e8a16d | 339 | byte_xasprintf((char **)&c->last, "connect: %s", strerror(errno)); |
460b9539 | 340 | error(errno, "error calling connect"); |
341 | goto error; | |
342 | } | |
343 | if((fd2 = dup(fd)) < 0) { | |
e9e8a16d | 344 | byte_xasprintf((char **)&c->last, "dup: %s", strerror(errno)); |
460b9539 | 345 | error(errno, "error calling dup"); |
346 | goto error; | |
347 | } | |
348 | if(!(c->fpin = fdopen(fd, "rb"))) { | |
e9e8a16d | 349 | byte_xasprintf((char **)&c->last, "fdopen: %s", strerror(errno)); |
460b9539 | 350 | error(errno, "error calling fdopen"); |
351 | goto error; | |
352 | } | |
353 | fd = -1; | |
354 | if(!(c->fpout = fdopen(fd2, "wb"))) { | |
e9e8a16d | 355 | byte_xasprintf((char **)&c->last, "fdopen: %s", strerror(errno)); |
460b9539 | 356 | error(errno, "error calling fdopen"); |
357 | goto error; | |
358 | } | |
359 | fd2 = -1; | |
2bead829 | 360 | if((rc = disorder_simple(c, &r, 0, (const char *)0))) |
361 | goto error_rc; | |
637fdea3 | 362 | if(!(rvec = split(r, &nrvec, SPLIT_QUOTES, 0, 0))) |
2bead829 | 363 | goto error; |
7b32e917 | 364 | if(nrvec != 3) { |
e9e8a16d | 365 | c->last = "cannot parse server greeting"; |
7b32e917 | 366 | error(0, "cannot parse server greeting %s", r); |
2bead829 | 367 | goto error; |
637fdea3 | 368 | } |
7b32e917 RK |
369 | protocol = *rvec++; |
370 | if(strcmp(protocol, "2")) { | |
e9e8a16d | 371 | c->last = "unknown protocol version"; |
7b32e917 | 372 | error(0, "unknown protocol version: %s", protocol); |
2bead829 | 373 | goto error; |
7b32e917 RK |
374 | } |
375 | algorithm = *rvec++; | |
376 | challenge = *rvec++; | |
377 | if(!(nonce = unhex(challenge, &nl))) | |
2bead829 | 378 | goto error; |
0227f67d RK |
379 | if(cookie) { |
380 | if(!dequote(disorder_simple(c, &c->user, "cookie", cookie, (char *)0), | |
381 | &c->user)) | |
382 | return 0; /* success */ | |
383 | if(!username) { | |
e9e8a16d | 384 | c->last = "cookie failed and no username"; |
0227f67d | 385 | error(0, "cookie did not work and no username available"); |
2bead829 | 386 | goto error; |
0227f67d RK |
387 | } |
388 | } | |
e9e8a16d RK |
389 | if(!(res = authhash(nonce, nl, password, algorithm))) { |
390 | c->last = "error computing authorization hash"; | |
391 | goto error; | |
392 | } | |
2bead829 | 393 | if((rc = disorder_simple(c, 0, "user", username, res, (char *)0))) |
394 | goto error_rc; | |
460b9539 | 395 | c->user = xstrdup(username); |
396 | return 0; | |
397 | error: | |
2bead829 | 398 | rc = -1; |
399 | error_rc: | |
400 | if(c->fpin) { | |
401 | fclose(c->fpin); | |
402 | c->fpin = 0; | |
403 | } | |
404 | if(c->fpout) { | |
405 | fclose(c->fpout); | |
406 | c->fpout = 0; | |
407 | } | |
460b9539 | 408 | if(fd2 != -1) close(fd2); |
409 | if(fd != -1) close(fd); | |
2bead829 | 410 | return rc; |
460b9539 | 411 | } |
412 | ||
fdf98378 | 413 | /** @brief Connect a client with a specified username and password |
414 | * @param c Client | |
415 | * @param username Username to log in with | |
416 | * @param password Password to log in with | |
417 | * @return 0 on success, non-0 on error | |
418 | */ | |
419 | int disorder_connect_user(disorder_client *c, | |
420 | const char *username, | |
421 | const char *password) { | |
319d7107 RK |
422 | return disorder_connect_generic(config, |
423 | c, | |
fdf98378 | 424 | username, |
425 | password, | |
426 | 0); | |
427 | } | |
428 | ||
0227f67d RK |
429 | /** @brief Connect a client |
430 | * @param c Client | |
431 | * @return 0 on success, non-0 on error | |
432 | * | |
433 | * The connection will use the username and password found in @ref | |
434 | * config, or directly from the database if no password is found and | |
435 | * the database is readable (usually only for root). | |
436 | */ | |
437 | int disorder_connect(disorder_client *c) { | |
438 | const char *username, *password; | |
439 | ||
440 | if(!(username = config->username)) { | |
e9e8a16d | 441 | c->last = "no username"; |
0227f67d RK |
442 | error(0, "no username configured"); |
443 | return -1; | |
444 | } | |
445 | password = config->password; | |
199c2a23 RK |
446 | /* Maybe we can read the database */ |
447 | if(!password && trackdb_readable()) { | |
0227f67d RK |
448 | trackdb_init(TRACKDB_NO_RECOVER|TRACKDB_NO_UPGRADE); |
449 | trackdb_open(TRACKDB_READ_ONLY); | |
450 | password = trackdb_get_password(username); | |
451 | trackdb_close(); | |
452 | } | |
453 | if(!password) { | |
454 | /* Oh well */ | |
e9e8a16d | 455 | c->last = "no password"; |
0227f67d RK |
456 | error(0, "no password configured"); |
457 | return -1; | |
458 | } | |
319d7107 RK |
459 | return disorder_connect_generic(config, |
460 | c, | |
0227f67d RK |
461 | username, |
462 | password, | |
463 | 0); | |
464 | } | |
465 | ||
466 | /** @brief Connect a client | |
467 | * @param c Client | |
468 | * @param cookie Cookie to log in with, or NULL | |
469 | * @return 0 on success, non-0 on error | |
470 | * | |
471 | * If @p cookie is NULL or does not work then we attempt to log in as | |
472 | * guest instead (so when the cookie expires only an extra round trip | |
473 | * is needed rathre than a complete new login). | |
474 | */ | |
475 | int disorder_connect_cookie(disorder_client *c, | |
476 | const char *cookie) { | |
319d7107 RK |
477 | return disorder_connect_generic(config, |
478 | c, | |
0227f67d RK |
479 | "guest", |
480 | "", | |
481 | cookie); | |
482 | } | |
483 | ||
c4e2cfdd RK |
484 | /** @brief Close a client |
485 | * @param c Client | |
486 | * @return 0 on succcess, non-0 on errior | |
487 | * | |
488 | * The client is still closed even on error. It might well be | |
489 | * appropriate to ignore the return value. | |
490 | */ | |
460b9539 | 491 | int disorder_close(disorder_client *c) { |
492 | int ret = 0; | |
493 | ||
494 | if(c->fpin) { | |
495 | if(fclose(c->fpin) < 0) { | |
e9e8a16d | 496 | byte_xasprintf((char **)&c->last, "fclose: %s", strerror(errno)); |
460b9539 | 497 | error(errno, "error calling fclose"); |
498 | ret = -1; | |
499 | } | |
500 | c->fpin = 0; | |
501 | } | |
502 | if(c->fpout) { | |
503 | if(fclose(c->fpout) < 0) { | |
e9e8a16d | 504 | byte_xasprintf((char **)&c->last, "fclose: %s", strerror(errno)); |
460b9539 | 505 | error(errno, "error calling fclose"); |
506 | ret = -1; | |
507 | } | |
508 | c->fpout = 0; | |
509 | } | |
0227f67d RK |
510 | c->ident = 0; |
511 | c->user = 0; | |
460b9539 | 512 | return 0; |
513 | } | |
514 | ||
c4e2cfdd RK |
515 | /** @brief Play a track |
516 | * @param c Client | |
517 | * @param track Track to play (UTF-8) | |
518 | * @return 0 on success, non-0 on error | |
519 | */ | |
460b9539 | 520 | int disorder_play(disorder_client *c, const char *track) { |
521 | return disorder_simple(c, 0, "play", track, (char *)0); | |
522 | } | |
523 | ||
c4e2cfdd RK |
524 | /** @brief Remove a track |
525 | * @param c Client | |
526 | * @param track Track to remove (UTF-8) | |
527 | * @return 0 on success, non-0 on error | |
528 | */ | |
460b9539 | 529 | int disorder_remove(disorder_client *c, const char *track) { |
530 | return disorder_simple(c, 0, "remove", track, (char *)0); | |
531 | } | |
532 | ||
c4e2cfdd RK |
533 | /** @brief Move a track |
534 | * @param c Client | |
535 | * @param track Track to move (UTF-8) | |
536 | * @param delta Distance to move by | |
537 | * @return 0 on success, non-0 on error | |
538 | */ | |
460b9539 | 539 | int disorder_move(disorder_client *c, const char *track, int delta) { |
540 | char d[16]; | |
541 | ||
542 | byte_snprintf(d, sizeof d, "%d", delta); | |
543 | return disorder_simple(c, 0, "move", track, d, (char *)0); | |
544 | } | |
545 | ||
c4e2cfdd RK |
546 | /** @brief Enable play |
547 | * @param c Client | |
548 | * @return 0 on success, non-0 on error | |
549 | */ | |
460b9539 | 550 | int disorder_enable(disorder_client *c) { |
551 | return disorder_simple(c, 0, "enable", (char *)0); | |
552 | } | |
553 | ||
c4e2cfdd RK |
554 | /** @brief Disable play |
555 | * @param c Client | |
556 | * @return 0 on success, non-0 on error | |
557 | */ | |
460b9539 | 558 | int disorder_disable(disorder_client *c) { |
559 | return disorder_simple(c, 0, "disable", (char *)0); | |
560 | } | |
561 | ||
c4e2cfdd RK |
562 | /** @brief Scratch the currently playing track |
563 | * @param id Playing track ID or NULL (UTF-8) | |
564 | * @param c Client | |
565 | * @return 0 on success, non-0 on error | |
566 | */ | |
460b9539 | 567 | int disorder_scratch(disorder_client *c, const char *id) { |
568 | return disorder_simple(c, 0, "scratch", id, (char *)0); | |
569 | } | |
570 | ||
c4e2cfdd RK |
571 | /** @brief Shut down the server |
572 | * @param c Client | |
573 | * @return 0 on success, non-0 on error | |
574 | */ | |
460b9539 | 575 | int disorder_shutdown(disorder_client *c) { |
576 | return disorder_simple(c, 0, "shutdown", (char *)0); | |
577 | } | |
578 | ||
c4e2cfdd RK |
579 | /** @brief Make the server re-read its configuration |
580 | * @param c Client | |
581 | * @return 0 on success, non-0 on error | |
582 | */ | |
460b9539 | 583 | int disorder_reconfigure(disorder_client *c) { |
584 | return disorder_simple(c, 0, "reconfigure", (char *)0); | |
585 | } | |
586 | ||
c4e2cfdd RK |
587 | /** @brief Rescan tracks |
588 | * @param c Client | |
589 | * @return 0 on success, non-0 on error | |
590 | */ | |
460b9539 | 591 | int disorder_rescan(disorder_client *c) { |
592 | return disorder_simple(c, 0, "rescan", (char *)0); | |
593 | } | |
594 | ||
c4e2cfdd RK |
595 | /** @brief Get server version number |
596 | * @param c Client | |
597 | * @param rp Where to store version string (UTF-8) | |
598 | * @return 0 on success, non-0 on error | |
599 | */ | |
460b9539 | 600 | int disorder_version(disorder_client *c, char **rp) { |
7b32e917 | 601 | return dequote(disorder_simple(c, rp, "version", (char *)0), rp); |
460b9539 | 602 | } |
603 | ||
604 | static void client_error(const char *msg, | |
605 | void attribute((unused)) *u) { | |
606 | error(0, "error parsing reply: %s", msg); | |
607 | } | |
608 | ||
c4e2cfdd RK |
609 | /** @brief Get currently playing track |
610 | * @param c Client | |
611 | * @param qp Where to store track information | |
612 | * @return 0 on success, non-0 on error | |
613 | * | |
614 | * @p qp gets NULL if no track is playing. | |
615 | */ | |
460b9539 | 616 | int disorder_playing(disorder_client *c, struct queue_entry **qp) { |
617 | char *r; | |
618 | struct queue_entry *q; | |
2bead829 | 619 | int rc; |
460b9539 | 620 | |
2bead829 | 621 | if((rc = disorder_simple(c, &r, "playing", (char *)0))) |
622 | return rc; | |
460b9539 | 623 | if(r) { |
624 | q = xmalloc(sizeof *q); | |
625 | if(queue_unmarshall(q, r, client_error, 0)) | |
626 | return -1; | |
627 | *qp = q; | |
628 | } else | |
629 | *qp = 0; | |
630 | return 0; | |
631 | } | |
632 | ||
0590cedc | 633 | /** @brief Fetch the queue, recent list, etc */ |
460b9539 | 634 | static int disorder_somequeue(disorder_client *c, |
635 | const char *cmd, struct queue_entry **qp) { | |
636 | struct queue_entry *qh, **qt = &qh, *q; | |
637 | char *l; | |
2bead829 | 638 | int rc; |
460b9539 | 639 | |
2bead829 | 640 | if((rc = disorder_simple(c, 0, cmd, (char *)0))) |
641 | return rc; | |
460b9539 | 642 | while(inputline(c->ident, c->fpin, &l, '\n') >= 0) { |
643 | if(!strcmp(l, ".")) { | |
644 | *qt = 0; | |
645 | *qp = qh; | |
646 | return 0; | |
647 | } | |
648 | q = xmalloc(sizeof *q); | |
649 | if(!queue_unmarshall(q, l, client_error, 0)) { | |
650 | *qt = q; | |
651 | qt = &q->next; | |
652 | } | |
653 | } | |
e9e8a16d RK |
654 | if(ferror(c->fpin)) { |
655 | byte_xasprintf((char **)&c->last, "input error: %s", strerror(errno)); | |
460b9539 | 656 | error(errno, "error reading %s", c->ident); |
e9e8a16d RK |
657 | } else { |
658 | c->last = "input error: unexpxected EOF"; | |
460b9539 | 659 | error(0, "error reading %s: unexpected EOF", c->ident); |
e9e8a16d | 660 | } |
460b9539 | 661 | return -1; |
662 | } | |
663 | ||
c4e2cfdd RK |
664 | /** @brief Get recently played tracks |
665 | * @param c Client | |
666 | * @param qp Where to store track information | |
667 | * @return 0 on success, non-0 on error | |
668 | * | |
669 | * The last entry in the list is the most recently played track. | |
670 | */ | |
460b9539 | 671 | int disorder_recent(disorder_client *c, struct queue_entry **qp) { |
672 | return disorder_somequeue(c, "recent", qp); | |
673 | } | |
674 | ||
c4e2cfdd RK |
675 | /** @brief Get queue |
676 | * @param c Client | |
677 | * @param qp Where to store track information | |
678 | * @return 0 on success, non-0 on error | |
679 | * | |
680 | * The first entry in the list will be played next. | |
681 | */ | |
460b9539 | 682 | int disorder_queue(disorder_client *c, struct queue_entry **qp) { |
683 | return disorder_somequeue(c, "queue", qp); | |
684 | } | |
685 | ||
c4e2cfdd RK |
686 | /** @brief Read a dot-stuffed list |
687 | * @param c Client | |
688 | * @param vecp Where to store list (UTF-8) | |
689 | * @param nvecp Where to store number of items, or NULL | |
690 | * @return 0 on success, non-0 on error | |
691 | * | |
692 | * The list will have a final NULL not counted in @p nvecp. | |
693 | */ | |
460b9539 | 694 | static int readlist(disorder_client *c, char ***vecp, int *nvecp) { |
695 | char *l; | |
696 | struct vector v; | |
697 | ||
698 | vector_init(&v); | |
699 | while(inputline(c->ident, c->fpin, &l, '\n') >= 0) { | |
700 | if(!strcmp(l, ".")) { | |
701 | vector_terminate(&v); | |
702 | if(nvecp) | |
703 | *nvecp = v.nvec; | |
704 | *vecp = v.vec; | |
705 | return 0; | |
706 | } | |
707 | vector_append(&v, l + (*l == '.')); | |
708 | } | |
e9e8a16d RK |
709 | if(ferror(c->fpin)) { |
710 | byte_xasprintf((char **)&c->last, "input error: %s", strerror(errno)); | |
460b9539 | 711 | error(errno, "error reading %s", c->ident); |
e9e8a16d RK |
712 | } else { |
713 | c->last = "input error: unexpxected EOF"; | |
460b9539 | 714 | error(0, "error reading %s: unexpected EOF", c->ident); |
e9e8a16d | 715 | } |
460b9539 | 716 | return -1; |
717 | } | |
718 | ||
c4e2cfdd RK |
719 | /** @brief Issue a comamnd and get a list response |
720 | * @param c Client | |
721 | * @param vecp Where to store list (UTF-8) | |
722 | * @param nvecp Where to store number of items, or NULL | |
723 | * @param cmd Command | |
724 | * @return 0 on success, non-0 on error | |
725 | * | |
726 | * The remaining arguments are command arguments, terminated by (char | |
727 | * *)0. They should be in UTF-8. | |
728 | * | |
729 | * 5xx responses count as errors. | |
39c53343 RK |
730 | * |
731 | * See disorder_simple(). | |
c4e2cfdd | 732 | */ |
460b9539 | 733 | static int disorder_simple_list(disorder_client *c, |
734 | char ***vecp, int *nvecp, | |
735 | const char *cmd, ...) { | |
736 | va_list ap; | |
737 | int ret; | |
738 | ||
739 | va_start(ap, cmd); | |
39c53343 | 740 | ret = disorder_simple_v(c, 0, cmd, 0, 0, ap); |
460b9539 | 741 | va_end(ap); |
742 | if(ret) return ret; | |
743 | return readlist(c, vecp, nvecp); | |
744 | } | |
745 | ||
c4e2cfdd RK |
746 | /** @brief List directories below @p dir |
747 | * @param c Client | |
0227f67d | 748 | * @param dir Directory to list, or NULL for root (UTF-8) |
c4e2cfdd RK |
749 | * @param re Regexp that results must match, or NULL (UTF-8) |
750 | * @param vecp Where to store list (UTF-8) | |
751 | * @param nvecp Where to store number of items, or NULL | |
752 | * @return 0 on success, non-0 on error | |
753 | */ | |
460b9539 | 754 | int disorder_directories(disorder_client *c, const char *dir, const char *re, |
755 | char ***vecp, int *nvecp) { | |
756 | return disorder_simple_list(c, vecp, nvecp, "dirs", dir, re, (char *)0); | |
757 | } | |
758 | ||
c4e2cfdd RK |
759 | /** @brief List files below @p dir |
760 | * @param c Client | |
0227f67d | 761 | * @param dir Directory to list, or NULL for root (UTF-8) |
c4e2cfdd RK |
762 | * @param re Regexp that results must match, or NULL (UTF-8) |
763 | * @param vecp Where to store list (UTF-8) | |
764 | * @param nvecp Where to store number of items, or NULL | |
765 | * @return 0 on success, non-0 on error | |
766 | */ | |
460b9539 | 767 | int disorder_files(disorder_client *c, const char *dir, const char *re, |
768 | char ***vecp, int *nvecp) { | |
769 | return disorder_simple_list(c, vecp, nvecp, "files", dir, re, (char *)0); | |
770 | } | |
771 | ||
c4e2cfdd RK |
772 | /** @brief List files and directories below @p dir |
773 | * @param c Client | |
0227f67d | 774 | * @param dir Directory to list, or NULL for root (UTF-8) |
c4e2cfdd RK |
775 | * @param re Regexp that results must match, or NULL (UTF-8) |
776 | * @param vecp Where to store list (UTF-8) | |
777 | * @param nvecp Where to store number of items, or NULL | |
778 | * @return 0 on success, non-0 on error | |
779 | */ | |
460b9539 | 780 | int disorder_allfiles(disorder_client *c, const char *dir, const char *re, |
781 | char ***vecp, int *nvecp) { | |
782 | return disorder_simple_list(c, vecp, nvecp, "allfiles", dir, re, (char *)0); | |
783 | } | |
784 | ||
c4e2cfdd RK |
785 | /** @brief Return the user we logged in with |
786 | * @param c Client | |
787 | * @return User name (owned by @p c, don't modify) | |
788 | */ | |
460b9539 | 789 | char *disorder_user(disorder_client *c) { |
790 | return c->user; | |
791 | } | |
792 | ||
c4e2cfdd RK |
793 | /** @brief Set a track preference |
794 | * @param c Client | |
795 | * @param track Track name (UTF-8) | |
796 | * @param key Preference name (UTF-8) | |
797 | * @param value Preference value (UTF-8) | |
798 | * @return 0 on success, non-0 on error | |
799 | */ | |
460b9539 | 800 | int disorder_set(disorder_client *c, const char *track, |
801 | const char *key, const char *value) { | |
802 | return disorder_simple(c, 0, "set", track, key, value, (char *)0); | |
803 | } | |
804 | ||
c4e2cfdd RK |
805 | /** @brief Unset a track preference |
806 | * @param c Client | |
807 | * @param track Track name (UTF-8) | |
808 | * @param key Preference name (UTF-8) | |
809 | * @return 0 on success, non-0 on error | |
810 | */ | |
460b9539 | 811 | int disorder_unset(disorder_client *c, const char *track, |
812 | const char *key) { | |
813 | return disorder_simple(c, 0, "unset", track, key, (char *)0); | |
814 | } | |
815 | ||
c4e2cfdd RK |
816 | /** @brief Get a track preference |
817 | * @param c Client | |
818 | * @param track Track name (UTF-8) | |
819 | * @param key Preference name (UTF-8) | |
820 | * @param valuep Where to store preference value (UTF-8) | |
821 | * @return 0 on success, non-0 on error | |
822 | */ | |
460b9539 | 823 | int disorder_get(disorder_client *c, |
824 | const char *track, const char *key, char **valuep) { | |
7b32e917 RK |
825 | return dequote(disorder_simple(c, valuep, "get", track, key, (char *)0), |
826 | valuep); | |
460b9539 | 827 | } |
828 | ||
829 | static void pref_error_handler(const char *msg, | |
830 | void attribute((unused)) *u) { | |
831 | error(0, "error handling 'prefs' reply: %s", msg); | |
832 | } | |
833 | ||
158d0961 | 834 | /** @brief Get all preferences for a trcak |
c4e2cfdd RK |
835 | * @param c Client |
836 | * @param track Track name | |
837 | * @param kp Where to store linked list of preferences | |
838 | * @return 0 on success, non-0 on error | |
839 | */ | |
460b9539 | 840 | int disorder_prefs(disorder_client *c, const char *track, struct kvp **kp) { |
841 | char **vec, **pvec; | |
2bead829 | 842 | int nvec, npvec, n, rc; |
460b9539 | 843 | struct kvp *k; |
844 | ||
2bead829 | 845 | if((rc = disorder_simple_list(c, &vec, &nvec, "prefs", track, (char *)0))) |
846 | return rc; | |
460b9539 | 847 | for(n = 0; n < nvec; ++n) { |
848 | if(!(pvec = split(vec[n], &npvec, SPLIT_QUOTES, pref_error_handler, 0))) | |
849 | return -1; | |
850 | if(npvec != 2) { | |
851 | pref_error_handler("malformed response", 0); | |
852 | return -1; | |
853 | } | |
854 | *kp = k = xmalloc(sizeof *k); | |
855 | k->name = pvec[0]; | |
856 | k->value = pvec[1]; | |
857 | kp = &k->next; | |
858 | } | |
859 | *kp = 0; | |
860 | return 0; | |
861 | } | |
862 | ||
c4e2cfdd RK |
863 | /** @brief Parse a boolean response |
864 | * @param cmd Command for use in error messsage | |
865 | * @param value Result from server | |
866 | * @param flagp Where to store result | |
867 | * @return 0 on success, non-0 on error | |
868 | */ | |
460b9539 | 869 | static int boolean(const char *cmd, const char *value, |
870 | int *flagp) { | |
871 | if(!strcmp(value, "yes")) *flagp = 1; | |
872 | else if(!strcmp(value, "no")) *flagp = 0; | |
873 | else { | |
874 | error(0, "malformed response to '%s'", cmd); | |
875 | return -1; | |
876 | } | |
877 | return 0; | |
878 | } | |
879 | ||
c4e2cfdd RK |
880 | /** @brief Test whether a track exists |
881 | * @param c Client | |
882 | * @param track Track name (UTF-8) | |
883 | * @param existsp Where to store result (non-0 iff does exist) | |
884 | * @return 0 on success, non-0 on error | |
885 | */ | |
460b9539 | 886 | int disorder_exists(disorder_client *c, const char *track, int *existsp) { |
887 | char *v; | |
2bead829 | 888 | int rc; |
460b9539 | 889 | |
2bead829 | 890 | if((rc = disorder_simple(c, &v, "exists", track, (char *)0))) |
891 | return rc; | |
460b9539 | 892 | return boolean("exists", v, existsp); |
893 | } | |
894 | ||
c4e2cfdd RK |
895 | /** @brief Test whether playing is enabled |
896 | * @param c Client | |
897 | * @param enabledp Where to store result (non-0 iff enabled) | |
898 | * @return 0 on success, non-0 on error | |
899 | */ | |
460b9539 | 900 | int disorder_enabled(disorder_client *c, int *enabledp) { |
901 | char *v; | |
2bead829 | 902 | int rc; |
460b9539 | 903 | |
2bead829 | 904 | if((rc = disorder_simple(c, &v, "enabled", (char *)0))) |
905 | return rc; | |
460b9539 | 906 | return boolean("enabled", v, enabledp); |
907 | } | |
908 | ||
c4e2cfdd RK |
909 | /** @brief Get the length of a track |
910 | * @param c Client | |
911 | * @param track Track name (UTF-8) | |
912 | * @param valuep Where to store length in seconds | |
913 | * @return 0 on success, non-0 on error | |
914 | * | |
915 | * If the length is unknown 0 is returned. | |
916 | */ | |
460b9539 | 917 | int disorder_length(disorder_client *c, const char *track, |
918 | long *valuep) { | |
919 | char *value; | |
2bead829 | 920 | int rc; |
460b9539 | 921 | |
2bead829 | 922 | if((rc = disorder_simple(c, &value, "length", track, (char *)0))) |
923 | return rc; | |
460b9539 | 924 | *valuep = atol(value); |
925 | return 0; | |
926 | } | |
927 | ||
c4e2cfdd RK |
928 | /** @brief Search for tracks |
929 | * @param c Client | |
930 | * @param terms Search terms (UTF-8) | |
931 | * @param vecp Where to store list (UTF-8) | |
932 | * @param nvecp Where to store number of items, or NULL | |
933 | * @return 0 on success, non-0 on error | |
934 | */ | |
460b9539 | 935 | int disorder_search(disorder_client *c, const char *terms, |
936 | char ***vecp, int *nvecp) { | |
937 | return disorder_simple_list(c, vecp, nvecp, "search", terms, (char *)0); | |
938 | } | |
939 | ||
c4e2cfdd RK |
940 | /** @brief Enable random play |
941 | * @param c Client | |
942 | * @return 0 on success, non-0 on error | |
943 | */ | |
460b9539 | 944 | int disorder_random_enable(disorder_client *c) { |
945 | return disorder_simple(c, 0, "random-enable", (char *)0); | |
946 | } | |
947 | ||
c4e2cfdd RK |
948 | /** @brief Disable random play |
949 | * @param c Client | |
950 | * @return 0 on success, non-0 on error | |
951 | */ | |
460b9539 | 952 | int disorder_random_disable(disorder_client *c) { |
953 | return disorder_simple(c, 0, "random-disable", (char *)0); | |
954 | } | |
955 | ||
c4e2cfdd RK |
956 | /** @brief Test whether random play is enabled |
957 | * @param c Client | |
158d0961 | 958 | * @param enabledp Where to store result (non-0 iff enabled) |
c4e2cfdd RK |
959 | * @return 0 on success, non-0 on error |
960 | */ | |
460b9539 | 961 | int disorder_random_enabled(disorder_client *c, int *enabledp) { |
962 | char *v; | |
2bead829 | 963 | int rc; |
460b9539 | 964 | |
2bead829 | 965 | if((rc = disorder_simple(c, &v, "random-enabled", (char *)0))) |
966 | return rc; | |
460b9539 | 967 | return boolean("random-enabled", v, enabledp); |
968 | } | |
969 | ||
c4e2cfdd RK |
970 | /** @brief Get server stats |
971 | * @param c Client | |
972 | * @param vecp Where to store list (UTF-8) | |
973 | * @param nvecp Where to store number of items, or NULL | |
974 | * @return 0 on success, non-0 on error | |
975 | */ | |
460b9539 | 976 | int disorder_stats(disorder_client *c, |
977 | char ***vecp, int *nvecp) { | |
978 | return disorder_simple_list(c, vecp, nvecp, "stats", (char *)0); | |
979 | } | |
980 | ||
c4e2cfdd RK |
981 | /** @brief Set volume |
982 | * @param c Client | |
983 | * @param left New left channel value | |
984 | * @param right New right channel value | |
985 | * @return 0 on success, non-0 on error | |
986 | */ | |
460b9539 | 987 | int disorder_set_volume(disorder_client *c, int left, int right) { |
988 | char *ls, *rs; | |
989 | ||
990 | if(byte_asprintf(&ls, "%d", left) < 0 | |
991 | || byte_asprintf(&rs, "%d", right) < 0) | |
992 | return -1; | |
2bead829 | 993 | return disorder_simple(c, 0, "volume", ls, rs, (char *)0); |
460b9539 | 994 | } |
995 | ||
c4e2cfdd RK |
996 | /** @brief Get volume |
997 | * @param c Client | |
998 | * @param left Where to store left channel value | |
999 | * @param right Where to store right channel value | |
1000 | * @return 0 on success, non-0 on error | |
1001 | */ | |
460b9539 | 1002 | int disorder_get_volume(disorder_client *c, int *left, int *right) { |
1003 | char *r; | |
2bead829 | 1004 | int rc; |
460b9539 | 1005 | |
2bead829 | 1006 | if((rc = disorder_simple(c, &r, "volume", (char *)0))) |
1007 | return rc; | |
460b9539 | 1008 | if(sscanf(r, "%d %d", left, right) != 2) { |
e9e8a16d | 1009 | c->last = "malformed volume response"; |
460b9539 | 1010 | error(0, "error parsing response to 'volume': '%s'", r); |
1011 | return -1; | |
1012 | } | |
1013 | return 0; | |
1014 | } | |
1015 | ||
c4e2cfdd RK |
1016 | /** @brief Log to a sink |
1017 | * @param c Client | |
1018 | * @param s Sink to write log lines to | |
1019 | * @return 0 on success, non-0 on error | |
1020 | */ | |
460b9539 | 1021 | int disorder_log(disorder_client *c, struct sink *s) { |
1022 | char *l; | |
2bead829 | 1023 | int rc; |
460b9539 | 1024 | |
2bead829 | 1025 | if((rc = disorder_simple(c, 0, "log", (char *)0))) |
1026 | return rc; | |
460b9539 | 1027 | while(inputline(c->ident, c->fpin, &l, '\n') >= 0 && strcmp(l, ".")) |
1028 | if(sink_printf(s, "%s\n", l) < 0) return -1; | |
e9e8a16d RK |
1029 | if(ferror(c->fpin) || feof(c->fpin)) { |
1030 | byte_xasprintf((char **)&c->last, "input error: %s", | |
1031 | ferror(c->fpin) ? strerror(errno) : "unexpxected EOF"); | |
1032 | return -1; | |
1033 | } | |
460b9539 | 1034 | return 0; |
1035 | } | |
1036 | ||
c4e2cfdd RK |
1037 | /** @brief Look up a track name part |
1038 | * @param c Client | |
1039 | * @param partp Where to store result (UTF-8) | |
1040 | * @param track Track name (UTF-8) | |
1041 | * @param context Context (usually "sort" or "display") (UTF-8) | |
1042 | * @param part Track part (UTF-8) | |
1043 | * @return 0 on success, non-0 on error | |
1044 | */ | |
460b9539 | 1045 | int disorder_part(disorder_client *c, char **partp, |
1046 | const char *track, const char *context, const char *part) { | |
7b32e917 RK |
1047 | return dequote(disorder_simple(c, partp, "part", |
1048 | track, context, part, (char *)0), partp); | |
460b9539 | 1049 | } |
1050 | ||
c4e2cfdd RK |
1051 | /** @brief Resolve aliases |
1052 | * @param c Client | |
158d0961 | 1053 | * @param trackp Where to store canonical name (UTF-8) |
c4e2cfdd RK |
1054 | * @param track Track name (UTF-8) |
1055 | * @return 0 on success, non-0 on error | |
1056 | */ | |
460b9539 | 1057 | int disorder_resolve(disorder_client *c, char **trackp, const char *track) { |
7b32e917 RK |
1058 | return dequote(disorder_simple(c, trackp, "resolve", track, (char *)0), |
1059 | trackp); | |
460b9539 | 1060 | } |
1061 | ||
c4e2cfdd RK |
1062 | /** @brief Pause the current track |
1063 | * @param c Client | |
1064 | * @return 0 on success, non-0 on error | |
1065 | */ | |
460b9539 | 1066 | int disorder_pause(disorder_client *c) { |
1067 | return disorder_simple(c, 0, "pause", (char *)0); | |
1068 | } | |
1069 | ||
c4e2cfdd RK |
1070 | /** @brief Resume the current track |
1071 | * @param c Client | |
1072 | * @return 0 on success, non-0 on error | |
1073 | */ | |
460b9539 | 1074 | int disorder_resume(disorder_client *c) { |
1075 | return disorder_simple(c, 0, "resume", (char *)0); | |
1076 | } | |
1077 | ||
c4e2cfdd RK |
1078 | /** @brief List all known tags |
1079 | * @param c Client | |
1080 | * @param vecp Where to store list (UTF-8) | |
1081 | * @param nvecp Where to store number of items, or NULL | |
1082 | * @return 0 on success, non-0 on error | |
1083 | */ | |
460b9539 | 1084 | int disorder_tags(disorder_client *c, |
1085 | char ***vecp, int *nvecp) { | |
1086 | return disorder_simple_list(c, vecp, nvecp, "tags", (char *)0); | |
1087 | } | |
1088 | ||
c4e2cfdd RK |
1089 | /** @brief List all known users |
1090 | * @param c Client | |
1091 | * @param vecp Where to store list (UTF-8) | |
1092 | * @param nvecp Where to store number of items, or NULL | |
1093 | * @return 0 on success, non-0 on error | |
1094 | */ | |
c3be4f19 RK |
1095 | int disorder_users(disorder_client *c, |
1096 | char ***vecp, int *nvecp) { | |
1097 | return disorder_simple_list(c, vecp, nvecp, "users", (char *)0); | |
1098 | } | |
1099 | ||
c4e2cfdd | 1100 | /** @brief Get recently added tracks |
2a10b70b | 1101 | * @param c Client |
c4e2cfdd | 1102 | * @param vecp Where to store pointer to list (UTF-8) |
2a10b70b RK |
1103 | * @param nvecp Where to store count |
1104 | * @param max Maximum tracks to fetch, or 0 for all available | |
1105 | * @return 0 on success, non-0 on error | |
1106 | */ | |
1107 | int disorder_new_tracks(disorder_client *c, | |
1108 | char ***vecp, int *nvecp, | |
1109 | int max) { | |
1110 | char limit[32]; | |
1111 | ||
1112 | sprintf(limit, "%d", max); | |
1113 | return disorder_simple_list(c, vecp, nvecp, "new", limit, (char *)0); | |
1114 | } | |
1115 | ||
c4e2cfdd RK |
1116 | /** @brief Set a global preference |
1117 | * @param c Client | |
1118 | * @param key Preference name (UTF-8) | |
1119 | * @param value Preference value (UTF-8) | |
1120 | * @return 0 on success, non-0 on error | |
1121 | */ | |
460b9539 | 1122 | int disorder_set_global(disorder_client *c, |
1123 | const char *key, const char *value) { | |
1124 | return disorder_simple(c, 0, "set-global", key, value, (char *)0); | |
1125 | } | |
1126 | ||
c4e2cfdd RK |
1127 | /** @brief Unset a global preference |
1128 | * @param c Client | |
1129 | * @param key Preference name (UTF-8) | |
1130 | * @return 0 on success, non-0 on error | |
1131 | */ | |
460b9539 | 1132 | int disorder_unset_global(disorder_client *c, const char *key) { |
1133 | return disorder_simple(c, 0, "unset-global", key, (char *)0); | |
1134 | } | |
1135 | ||
c4e2cfdd RK |
1136 | /** @brief Get a global preference |
1137 | * @param c Client | |
1138 | * @param key Preference name (UTF-8) | |
1139 | * @param valuep Where to store preference value (UTF-8) | |
1140 | * @return 0 on success, non-0 on error | |
1141 | */ | |
460b9539 | 1142 | int disorder_get_global(disorder_client *c, const char *key, char **valuep) { |
7b32e917 RK |
1143 | return dequote(disorder_simple(c, valuep, "get-global", key, (char *)0), |
1144 | valuep); | |
460b9539 | 1145 | } |
1146 | ||
c4e2cfdd RK |
1147 | /** @brief Get server's RTP address information |
1148 | * @param c Client | |
1149 | * @param addressp Where to store address (UTF-8) | |
1150 | * @param portp Where to store port (UTF-8) | |
1151 | * @return 0 on success, non-0 on error | |
1152 | */ | |
ca831831 RK |
1153 | int disorder_rtp_address(disorder_client *c, char **addressp, char **portp) { |
1154 | char *r; | |
1155 | int rc, n; | |
1156 | char **vec; | |
1157 | ||
1158 | if((rc = disorder_simple(c, &r, "rtp-address", (char *)0))) | |
1159 | return rc; | |
1160 | vec = split(r, &n, SPLIT_QUOTES, 0, 0); | |
1161 | if(n != 2) { | |
e9e8a16d | 1162 | c->last = "malformed RTP address"; |
ca831831 RK |
1163 | error(0, "malformed rtp-address reply"); |
1164 | return -1; | |
1165 | } | |
1166 | *addressp = vec[0]; | |
1167 | *portp = vec[1]; | |
1168 | return 0; | |
1169 | } | |
1170 | ||
c4e2cfdd RK |
1171 | /** @brief Create a user |
1172 | * @param c Client | |
1173 | * @param user Username | |
1174 | * @param password Password | |
1175 | * @param rights Initial rights or NULL to use default | |
1176 | * @return 0 on success, non-0 on error | |
1177 | */ | |
f0feb22e | 1178 | int disorder_adduser(disorder_client *c, |
0f55e905 RK |
1179 | const char *user, const char *password, |
1180 | const char *rights) { | |
1181 | return disorder_simple(c, 0, "adduser", user, password, rights, (char *)0); | |
f0feb22e RK |
1182 | } |
1183 | ||
c4e2cfdd RK |
1184 | /** @brief Delete a user |
1185 | * @param c Client | |
1186 | * @param user Username | |
1187 | * @return 0 on success, non-0 on error | |
1188 | */ | |
f0feb22e RK |
1189 | int disorder_deluser(disorder_client *c, const char *user) { |
1190 | return disorder_simple(c, 0, "deluser", user, (char *)0); | |
1191 | } | |
1192 | ||
c4e2cfdd RK |
1193 | /** @brief Get user information |
1194 | * @param c Client | |
1195 | * @param user Username | |
1196 | * @param key Property name (UTF-8) | |
1197 | * @param valuep Where to store value (UTF-8) | |
1198 | * @return 0 on success, non-0 on error | |
1199 | */ | |
a55c70c7 RK |
1200 | int disorder_userinfo(disorder_client *c, const char *user, const char *key, |
1201 | char **valuep) { | |
7b32e917 RK |
1202 | return dequote(disorder_simple(c, valuep, "userinfo", user, key, (char *)0), |
1203 | valuep); | |
5df73aeb RK |
1204 | } |
1205 | ||
c4e2cfdd RK |
1206 | /** @brief Set user information |
1207 | * @param c Client | |
1208 | * @param user Username | |
1209 | * @param key Property name (UTF-8) | |
1210 | * @param value New property value (UTF-8) | |
1211 | * @return 0 on success, non-0 on error | |
1212 | */ | |
5df73aeb RK |
1213 | int disorder_edituser(disorder_client *c, const char *user, |
1214 | const char *key, const char *value) { | |
1215 | return disorder_simple(c, 0, "edituser", user, key, value, (char *)0); | |
1216 | } | |
1217 | ||
c4e2cfdd RK |
1218 | /** @brief Register a user |
1219 | * @param c Client | |
1220 | * @param user Username | |
1221 | * @param password Password | |
1222 | * @param email Email address (UTF-8) | |
c4e2cfdd RK |
1223 | * @param confirmp Where to store confirmation string |
1224 | * @return 0 on success, non-0 on error | |
1225 | */ | |
ba39faf6 RK |
1226 | int disorder_register(disorder_client *c, const char *user, |
1227 | const char *password, const char *email, | |
1228 | char **confirmp) { | |
1229 | return dequote(disorder_simple(c, confirmp, "register", | |
1230 | user, password, email, (char *)0), | |
1231 | confirmp); | |
1232 | } | |
1233 | ||
c4e2cfdd RK |
1234 | /** @brief Confirm a user |
1235 | * @param c Client | |
1236 | * @param confirm Confirmation string | |
1237 | * @return 0 on success, non-0 on error | |
1238 | */ | |
ba39faf6 | 1239 | int disorder_confirm(disorder_client *c, const char *confirm) { |
30365519 | 1240 | char *u; |
1241 | int rc; | |
1242 | ||
1243 | if(!(rc = dequote(disorder_simple(c, &u, "confirm", confirm, (char *)0), | |
1244 | &u))) | |
1245 | c->user = u; | |
1246 | return rc; | |
ba39faf6 RK |
1247 | } |
1248 | ||
c4e2cfdd RK |
1249 | /** @brief Make a cookie for this login |
1250 | * @param c Client | |
1251 | * @param cookiep Where to store cookie string | |
1252 | * @return 0 on success, non-0 on error | |
1253 | */ | |
07969f9b RK |
1254 | int disorder_make_cookie(disorder_client *c, char **cookiep) { |
1255 | return dequote(disorder_simple(c, cookiep, "make-cookie", (char *)0), | |
1256 | cookiep); | |
1257 | } | |
1258 | ||
b42ffad6 | 1259 | /** @brief Revoke the cookie used by this session |
1260 | * @param c Client | |
1261 | * @return 0 on success, non-0 on error | |
1262 | */ | |
1263 | int disorder_revoke(disorder_client *c) { | |
1264 | return disorder_simple(c, 0, "revoke", (char *)0); | |
1265 | } | |
1266 | ||
6207d2f3 | 1267 | /** @brief Request a password reminder email |
1268 | * @param c Client | |
1269 | * @param user Username | |
1270 | * @return 0 on success, non-0 on error | |
1271 | */ | |
1272 | int disorder_reminder(disorder_client *c, const char *user) { | |
1273 | return disorder_simple(c, 0, "reminder", user, (char *)0); | |
1274 | } | |
1275 | ||
758aa6c3 RK |
1276 | /** @brief List scheduled events |
1277 | * @param c Client | |
1278 | * @param idsp Where to put list of event IDs | |
1279 | * @param nidsp Where to put count of event IDs, or NULL | |
1280 | * @return 0 on success, non-0 on error | |
1281 | */ | |
1282 | int disorder_schedule_list(disorder_client *c, char ***idsp, int *nidsp) { | |
1283 | return disorder_simple_list(c, idsp, nidsp, "schedule-list", (char *)0); | |
1284 | } | |
1285 | ||
1286 | /** @brief Delete a scheduled event | |
1287 | * @param c Client | |
1288 | * @param id Event ID to delete | |
1289 | * @return 0 on success, non-0 on error | |
1290 | */ | |
1291 | int disorder_schedule_del(disorder_client *c, const char *id) { | |
1292 | return disorder_simple(c, 0, "schedule-del", id, (char *)0); | |
1293 | } | |
1294 | ||
1295 | /** @brief Get details of a scheduled event | |
1296 | * @param c Client | |
1297 | * @param id Event ID | |
1298 | * @param actiondatap Where to put details | |
1299 | * @return 0 on success, non-0 on error | |
1300 | */ | |
1301 | int disorder_schedule_get(disorder_client *c, const char *id, | |
1302 | struct kvp **actiondatap) { | |
1303 | char **lines, **bits; | |
1304 | int rc, nbits; | |
1305 | ||
1306 | *actiondatap = 0; | |
1307 | if((rc = disorder_simple_list(c, &lines, NULL, | |
1308 | "schedule-get", id, (char *)0))) | |
1309 | return rc; | |
1310 | while(*lines) { | |
1311 | if(!(bits = split(*lines++, &nbits, SPLIT_QUOTES, 0, 0))) { | |
1312 | error(0, "invalid schedule-get reply: cannot split line"); | |
1313 | return -1; | |
1314 | } | |
1315 | if(nbits != 2) { | |
1316 | error(0, "invalid schedule-get reply: wrong number of fields"); | |
1317 | return -1; | |
1318 | } | |
1319 | kvp_set(actiondatap, bits[0], bits[1]); | |
1320 | } | |
1321 | return 0; | |
1322 | } | |
1323 | ||
1324 | /** @brief Add a scheduled event | |
1325 | * @param c Client | |
1326 | * @param when When to trigger the event | |
1327 | * @param priority Event priority ("normal" or "junk") | |
1328 | * @param action What action to perform | |
1329 | * @param ... Action-specific arguments | |
1330 | * @return 0 on success, non-0 on error | |
1331 | * | |
1332 | * For action @c "play" the next argument is the track. | |
1333 | * | |
1334 | * For action @c "set-global" next argument is the global preference name | |
1335 | * and the final argument the value to set it to, or (char *)0 to unset it. | |
1336 | */ | |
1337 | int disorder_schedule_add(disorder_client *c, | |
1338 | time_t when, | |
1339 | const char *priority, | |
1340 | const char *action, | |
1341 | ...) { | |
1342 | va_list ap; | |
1343 | char when_str[64]; | |
1344 | int rc; | |
1345 | ||
1346 | snprintf(when_str, sizeof when_str, "%lld", (long long)when); | |
1347 | va_start(ap, action); | |
1348 | if(!strcmp(action, "play")) | |
6c13a317 RK |
1349 | rc = disorder_simple(c, 0, "schedule-add", when_str, priority, |
1350 | action, va_arg(ap, char *), | |
1351 | (char *)0); | |
1352 | else if(!strcmp(action, "set-global")) { | |
1353 | const char *key = va_arg(ap, char *); | |
1354 | const char *value = va_arg(ap, char *); | |
1355 | rc = disorder_simple(c, 0,"schedule-add", when_str, priority, | |
1356 | action, key, value, | |
1357 | (char *)0); | |
1358 | } else | |
758aa6c3 RK |
1359 | fatal(0, "unknown action '%s'", action); |
1360 | va_end(ap); | |
1361 | return rc; | |
1362 | } | |
1363 | ||
39c53343 RK |
1364 | /** @brief Delete a playlist |
1365 | * @param c Client | |
1366 | * @param playlist Playlist to delete | |
1367 | * @return 0 on success, non-0 on error | |
1368 | */ | |
1369 | int disorder_playlist_delete(disorder_client *c, | |
1370 | const char *playlist) { | |
1371 | return disorder_simple(c, 0, "playlist-delete", playlist, (char *)0); | |
1372 | } | |
1373 | ||
1374 | /** @brief Get the contents of a playlist | |
1375 | * @param c Client | |
1376 | * @param playlist Playlist to get | |
1377 | * @param tracksp Where to put list of tracks | |
1378 | * @param ntracksp Where to put count of tracks | |
1379 | * @return 0 on success, non-0 on error | |
1380 | */ | |
1381 | int disorder_playlist_get(disorder_client *c, const char *playlist, | |
1382 | char ***tracksp, int *ntracksp) { | |
1383 | return disorder_simple_list(c, tracksp, ntracksp, | |
1384 | "playlist-get", playlist, (char *)0); | |
1385 | } | |
1386 | ||
1387 | /** @brief List all readable playlists | |
1388 | * @param c Client | |
1389 | * @param playlistsp Where to put list of playlists | |
1390 | * @param nplaylistsp Where to put count of playlists | |
1391 | * @return 0 on success, non-0 on error | |
1392 | */ | |
1393 | int disorder_playlists(disorder_client *c, | |
1394 | char ***playlistsp, int *nplaylistsp) { | |
1395 | return disorder_simple_list(c, playlistsp, nplaylistsp, | |
1396 | "playlists", (char *)0); | |
1397 | } | |
1398 | ||
1399 | /** @brief Get the sharing status of a playlist | |
1400 | * @param c Client | |
1401 | * @param playlist Playlist to inspect | |
1402 | * @param sharep Where to put sharing status | |
1403 | * @return 0 on success, non-0 on error | |
1404 | * | |
1405 | * Possible @p sharep values are @c public, @c private and @c shared. | |
1406 | */ | |
1407 | int disorder_playlist_get_share(disorder_client *c, const char *playlist, | |
1408 | char **sharep) { | |
1409 | return disorder_simple(c, sharep, | |
1410 | "playlist-get-share", playlist, (char *)0); | |
1411 | } | |
1412 | ||
1413 | /** @brief Get the sharing status of a playlist | |
1414 | * @param c Client | |
1415 | * @param playlist Playlist to modify | |
1416 | * @param share New sharing status | |
1417 | * @return 0 on success, non-0 on error | |
1418 | * | |
1419 | * Possible @p share values are @c public, @c private and @c shared. | |
1420 | */ | |
1421 | int disorder_playlist_set_share(disorder_client *c, const char *playlist, | |
1422 | const char *share) { | |
1423 | return disorder_simple(c, 0, | |
1424 | "playlist-set-share", playlist, share, (char *)0); | |
1425 | } | |
1426 | ||
1427 | /** @brief Lock a playlist for modifications | |
1428 | * @param c Client | |
1429 | * @param playlist Playlist to lock | |
1430 | * @return 0 on success, non-0 on error | |
1431 | */ | |
1432 | int disorder_playlist_lock(disorder_client *c, const char *playlist) { | |
1433 | return disorder_simple(c, 0, | |
1434 | "playlist-lock", playlist, (char *)0); | |
1435 | } | |
1436 | ||
1437 | /** @brief Unlock the locked playlist | |
1438 | * @param c Client | |
1439 | * @return 0 on success, non-0 on error | |
1440 | */ | |
1441 | int disorder_playlist_unlock(disorder_client *c) { | |
1442 | return disorder_simple(c, 0, | |
1443 | "playlist-unlock", (char *)0); | |
1444 | } | |
1445 | ||
1446 | /** @brief Set the contents of a playlst | |
1447 | * @param c Client | |
1448 | * @param playlist Playlist to modify | |
1449 | * @param tracks List of tracks | |
1450 | * @param ntracks Length of @p tracks (or -1 to count up to the first NULL) | |
1451 | * @return 0 on success, non-0 on error | |
1452 | */ | |
1453 | int disorder_playlist_set(disorder_client *c, | |
1454 | const char *playlist, | |
1455 | char **tracks, | |
1456 | int ntracks) { | |
1457 | return disorder_simple_body(c, 0, tracks, ntracks, | |
1458 | "playlist-set", playlist, (char *)0); | |
1459 | } | |
1460 | ||
460b9539 | 1461 | /* |
1462 | Local Variables: | |
1463 | c-basic-offset:2 | |
1464 | comment-column:40 | |
1465 | End: | |
1466 | */ |