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15c988f7 JB |
1 | /** |
2 | * Copyright (C) 2011-2012 Juho Vähä-Herttua | |
3 | * | |
4 | * This library is free software; you can redistribute it and/or | |
5 | * modify it under the terms of the GNU Lesser General Public | |
6 | * License as published by the Free Software Foundation; either | |
7 | * version 2.1 of the License, or (at your option) any later version. | |
8 | * | |
9 | * This library is distributed in the hope that it will be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | * Lesser General Public License for more details. | |
13 | */ | |
14 | ||
15 | #include <stdlib.h> | |
16 | #include <stdio.h> | |
17 | #include <string.h> | |
18 | #include <assert.h> | |
19 | ||
20 | #include "raop.h" | |
21 | #include "raop_rtp.h" | |
22 | #include "rsakey.h" | |
23 | #include "digest.h" | |
24 | #include "httpd.h" | |
25 | #include "sdp.h" | |
26 | ||
27 | #include "global.h" | |
28 | #include "utils.h" | |
29 | #include "netutils.h" | |
30 | #include "logger.h" | |
31 | #include "compat.h" | |
32 | ||
33 | /* Actually 345 bytes for 2048-bit key */ | |
34 | #define MAX_SIGNATURE_LEN 512 | |
35 | ||
36 | /* Let's just decide on some length */ | |
37 | #define MAX_PASSWORD_LEN 64 | |
38 | ||
39 | /* MD5 as hex fits here */ | |
40 | #define MAX_NONCE_LEN 32 | |
41 | ||
42 | struct raop_s { | |
43 | /* Callbacks for audio */ | |
44 | raop_callbacks_t callbacks; | |
45 | ||
46 | /* Logger instance */ | |
47 | logger_t *logger; | |
48 | ||
49 | /* HTTP daemon and RSA key */ | |
50 | httpd_t *httpd; | |
51 | rsakey_t *rsakey; | |
52 | ||
53 | /* Hardware address information */ | |
54 | unsigned char hwaddr[MAX_HWADDR_LEN]; | |
55 | int hwaddrlen; | |
56 | ||
57 | /* Password information */ | |
58 | char password[MAX_PASSWORD_LEN+1]; | |
59 | }; | |
60 | ||
61 | struct raop_conn_s { | |
62 | raop_t *raop; | |
63 | raop_rtp_t *raop_rtp; | |
64 | ||
65 | unsigned char *local; | |
66 | int locallen; | |
67 | ||
68 | unsigned char *remote; | |
69 | int remotelen; | |
70 | ||
71 | char nonce[MAX_NONCE_LEN+1]; | |
72 | }; | |
73 | typedef struct raop_conn_s raop_conn_t; | |
74 | ||
75 | static void * | |
76 | conn_init(void *opaque, unsigned char *local, int locallen, unsigned char *remote, int remotelen) | |
77 | { | |
78 | raop_conn_t *conn; | |
79 | ||
80 | conn = calloc(1, sizeof(raop_conn_t)); | |
81 | if (!conn) { | |
82 | return NULL; | |
83 | } | |
84 | conn->raop = opaque; | |
85 | conn->raop_rtp = NULL; | |
86 | ||
87 | if (locallen == 4) { | |
88 | logger_log(conn->raop->logger, LOGGER_INFO, | |
89 | "Local: %d.%d.%d.%d", | |
90 | local[0], local[1], local[2], local[3]); | |
91 | } else if (locallen == 16) { | |
92 | logger_log(conn->raop->logger, LOGGER_INFO, | |
93 | "Local: %02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x", | |
94 | local[0], local[1], local[2], local[3], local[4], local[5], local[6], local[7], | |
95 | local[8], local[9], local[10], local[11], local[12], local[13], local[14], local[15]); | |
96 | } | |
97 | if (remotelen == 4) { | |
98 | logger_log(conn->raop->logger, LOGGER_INFO, | |
99 | "Remote: %d.%d.%d.%d", | |
100 | remote[0], remote[1], remote[2], remote[3]); | |
101 | } else if (remotelen == 16) { | |
102 | logger_log(conn->raop->logger, LOGGER_INFO, | |
103 | "Remote: %02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x", | |
104 | remote[0], remote[1], remote[2], remote[3], remote[4], remote[5], remote[6], remote[7], | |
105 | remote[8], remote[9], remote[10], remote[11], remote[12], remote[13], remote[14], remote[15]); | |
106 | } | |
107 | ||
108 | conn->local = malloc(locallen); | |
109 | assert(conn->local); | |
110 | memcpy(conn->local, local, locallen); | |
111 | ||
112 | conn->remote = malloc(remotelen); | |
113 | assert(conn->remote); | |
114 | memcpy(conn->remote, remote, remotelen); | |
115 | ||
116 | conn->locallen = locallen; | |
117 | conn->remotelen = remotelen; | |
118 | ||
119 | digest_generate_nonce(conn->nonce, sizeof(conn->nonce)); | |
120 | return conn; | |
121 | } | |
122 | ||
123 | static void | |
124 | conn_request(void *ptr, http_request_t *request, http_response_t **response) | |
125 | { | |
dd28c44f JB |
126 | <<<<<<< HEAD |
127 | ======= | |
8e679577 | 128 | const char realm[] = "airplay"; |
dd28c44f | 129 | >>>>>>> 64d59e3087f829006d091fa0d114efb50972a2bf |
15c988f7 JB |
130 | raop_conn_t *conn = ptr; |
131 | raop_t *raop = conn->raop; | |
132 | ||
133 | http_response_t *res; | |
134 | const char *method; | |
135 | const char *cseq; | |
136 | const char *challenge; | |
137 | int require_auth = 0; | |
138 | ||
139 | method = http_request_get_method(request); | |
140 | cseq = http_request_get_header(request, "CSeq"); | |
141 | if (!method || !cseq) { | |
142 | return; | |
143 | } | |
144 | ||
145 | res = http_response_init("RTSP/1.0", 200, "OK"); | |
dd28c44f | 146 | <<<<<<< HEAD |
15c988f7 | 147 | if (strlen(raop->password)) { |
dd28c44f | 148 | ======= |
8c3f8f7a JVH |
149 | |
150 | /* We need authorization for everything else than OPTIONS request */ | |
151 | if (strcmp(method, "OPTIONS") != 0 && strlen(raop->password)) { | |
dd28c44f | 152 | >>>>>>> 64d59e3087f829006d091fa0d114efb50972a2bf |
15c988f7 JB |
153 | const char *authorization; |
154 | ||
155 | authorization = http_request_get_header(request, "Authorization"); | |
156 | if (authorization) { | |
157 | logger_log(conn->raop->logger, LOGGER_DEBUG, "Our nonce: %s", conn->nonce); | |
158 | logger_log(conn->raop->logger, LOGGER_DEBUG, "Authorization: %s", authorization); | |
159 | } | |
dd28c44f | 160 | <<<<<<< HEAD |
15c988f7 | 161 | if (!digest_is_valid("AppleTV", raop->password, conn->nonce, method, http_request_get_url(request), authorization)) { |
dd28c44f | 162 | ======= |
8e679577 | 163 | if (!digest_is_valid(realm, raop->password, conn->nonce, method, http_request_get_url(request), authorization)) { |
dd28c44f | 164 | >>>>>>> 64d59e3087f829006d091fa0d114efb50972a2bf |
15c988f7 JB |
165 | char *authstr; |
166 | int authstrlen; | |
167 | ||
168 | /* Allocate the authenticate string */ | |
dd28c44f | 169 | <<<<<<< HEAD |
15c988f7 | 170 | authstrlen = sizeof("Digest realm=\"AppleTV\", nonce=\"\"") + sizeof(conn->nonce) + 1; |
dd28c44f | 171 | ======= |
8e679577 | 172 | authstrlen = sizeof("Digest realm=\"\", nonce=\"\"") + sizeof(realm) + sizeof(conn->nonce) + 1; |
dd28c44f | 173 | >>>>>>> 64d59e3087f829006d091fa0d114efb50972a2bf |
15c988f7 JB |
174 | authstr = malloc(authstrlen); |
175 | ||
176 | /* Concatenate the authenticate string */ | |
177 | memset(authstr, 0, authstrlen); | |
dd28c44f | 178 | <<<<<<< HEAD |
15c988f7 | 179 | strcat(authstr, "Digest realm=\"AppleTV\", nonce=\""); |
dd28c44f | 180 | ======= |
8e679577 JVH |
181 | strcat(authstr, "Digest realm=\""); |
182 | strcat(authstr, realm); | |
183 | strcat(authstr, "\", nonce=\""); | |
dd28c44f | 184 | >>>>>>> 64d59e3087f829006d091fa0d114efb50972a2bf |
15c988f7 JB |
185 | strcat(authstr, conn->nonce); |
186 | strcat(authstr, "\""); | |
187 | ||
188 | /* Construct a new response */ | |
189 | require_auth = 1; | |
190 | http_response_destroy(res); | |
191 | res = http_response_init("RTSP/1.0", 401, "Unauthorized"); | |
192 | http_response_add_header(res, "WWW-Authenticate", authstr); | |
193 | free(authstr); | |
194 | logger_log(conn->raop->logger, LOGGER_DEBUG, "Authentication unsuccessful, sending Unauthorized"); | |
195 | } else { | |
196 | logger_log(conn->raop->logger, LOGGER_DEBUG, "Authentication successful!"); | |
197 | } | |
198 | } | |
199 | ||
200 | http_response_add_header(res, "CSeq", cseq); | |
201 | http_response_add_header(res, "Apple-Jack-Status", "connected; type=analog"); | |
202 | ||
203 | challenge = http_request_get_header(request, "Apple-Challenge"); | |
204 | if (!require_auth && challenge) { | |
205 | char signature[MAX_SIGNATURE_LEN]; | |
206 | ||
207 | memset(signature, 0, sizeof(signature)); | |
208 | rsakey_sign(raop->rsakey, signature, sizeof(signature), challenge, | |
209 | conn->local, conn->locallen, raop->hwaddr, raop->hwaddrlen); | |
210 | http_response_add_header(res, "Apple-Response", signature); | |
211 | ||
212 | logger_log(conn->raop->logger, LOGGER_DEBUG, "Got challenge: %s", challenge); | |
213 | logger_log(conn->raop->logger, LOGGER_DEBUG, "Got response: %s", signature); | |
214 | } | |
215 | ||
216 | if (require_auth) { | |
217 | /* Do nothing in case of authentication request */ | |
218 | } else if (!strcmp(method, "OPTIONS")) { | |
219 | http_response_add_header(res, "Public", "ANNOUNCE, SETUP, RECORD, PAUSE, FLUSH, TEARDOWN, OPTIONS, GET_PARAMETER, SET_PARAMETER"); | |
220 | } else if (!strcmp(method, "ANNOUNCE")) { | |
221 | const char *data; | |
222 | int datalen; | |
223 | ||
224 | unsigned char aeskey[16]; | |
225 | unsigned char aesiv[16]; | |
226 | int aeskeylen, aesivlen; | |
227 | ||
228 | data = http_request_get_data(request, &datalen); | |
229 | if (data) { | |
230 | sdp_t *sdp; | |
231 | const char *remotestr, *rtpmapstr, *fmtpstr, *aeskeystr, *aesivstr; | |
232 | ||
233 | sdp = sdp_init(data, datalen); | |
234 | remotestr = sdp_get_connection(sdp); | |
235 | rtpmapstr = sdp_get_rtpmap(sdp); | |
236 | fmtpstr = sdp_get_fmtp(sdp); | |
237 | aeskeystr = sdp_get_rsaaeskey(sdp); | |
238 | aesivstr = sdp_get_aesiv(sdp); | |
239 | ||
240 | logger_log(conn->raop->logger, LOGGER_DEBUG, "connection: %s", remotestr); | |
241 | logger_log(conn->raop->logger, LOGGER_DEBUG, "rtpmap: %s", rtpmapstr); | |
242 | logger_log(conn->raop->logger, LOGGER_DEBUG, "fmtp: %s", fmtpstr); | |
243 | logger_log(conn->raop->logger, LOGGER_DEBUG, "rsaaeskey: %s", aeskeystr); | |
244 | logger_log(conn->raop->logger, LOGGER_DEBUG, "aesiv: %s", aesivstr); | |
245 | ||
246 | aeskeylen = rsakey_decrypt(raop->rsakey, aeskey, sizeof(aeskey), aeskeystr); | |
247 | aesivlen = rsakey_parseiv(raop->rsakey, aesiv, sizeof(aesiv), aesivstr); | |
248 | logger_log(conn->raop->logger, LOGGER_DEBUG, "aeskeylen: %d", aeskeylen); | |
249 | logger_log(conn->raop->logger, LOGGER_DEBUG, "aesivlen: %d", aesivlen); | |
250 | ||
251 | if (conn->raop_rtp) { | |
252 | /* This should never happen */ | |
253 | raop_rtp_destroy(conn->raop_rtp); | |
254 | conn->raop_rtp = NULL; | |
255 | } | |
256 | conn->raop_rtp = raop_rtp_init(raop->logger, &raop->callbacks, remotestr, rtpmapstr, fmtpstr, aeskey, aesiv); | |
257 | if (!conn->raop_rtp) { | |
258 | logger_log(conn->raop->logger, LOGGER_ERR, "Error initializing the audio decoder"); | |
259 | http_response_set_disconnect(res, 1); | |
260 | } | |
261 | sdp_destroy(sdp); | |
262 | } | |
263 | } else if (!strcmp(method, "SETUP")) { | |
264 | unsigned short remote_cport=0, remote_tport=0; | |
265 | unsigned short cport=0, tport=0, dport=0; | |
266 | const char *transport; | |
267 | char buffer[1024]; | |
268 | int use_udp; | |
269 | ||
270 | transport = http_request_get_header(request, "Transport"); | |
271 | assert(transport); | |
272 | ||
273 | logger_log(conn->raop->logger, LOGGER_INFO, "Transport: %s", transport); | |
274 | use_udp = strncmp(transport, "RTP/AVP/TCP", 11); | |
275 | if (use_udp) { | |
276 | char *original, *current, *tmpstr; | |
277 | ||
278 | current = original = strdup(transport); | |
279 | if (original) { | |
280 | while ((tmpstr = utils_strsep(¤t, ";")) != NULL) { | |
281 | unsigned short value; | |
282 | int ret; | |
283 | ||
284 | ret = sscanf(tmpstr, "control_port=%hu", &value); | |
285 | if (ret == 1) { | |
286 | logger_log(conn->raop->logger, LOGGER_DEBUG, "Found remote control port: %hu", value); | |
287 | remote_cport = value; | |
288 | } | |
289 | ret = sscanf(tmpstr, "timing_port=%hu", &value); | |
290 | if (ret == 1) { | |
291 | logger_log(conn->raop->logger, LOGGER_DEBUG, "Found remote timing port: %hu", value); | |
292 | remote_tport = value; | |
293 | } | |
294 | } | |
295 | } | |
296 | free(original); | |
297 | } | |
298 | if (conn->raop_rtp) { | |
299 | raop_rtp_start(conn->raop_rtp, use_udp, remote_cport, remote_tport, &cport, &tport, &dport); | |
300 | } else { | |
301 | logger_log(conn->raop->logger, LOGGER_ERR, "RAOP not initialized at SETUP, playing will fail!"); | |
302 | http_response_set_disconnect(res, 1); | |
303 | } | |
304 | ||
305 | memset(buffer, 0, sizeof(buffer)); | |
306 | if (use_udp) { | |
307 | snprintf(buffer, sizeof(buffer)-1, | |
308 | "RTP/AVP/UDP;unicast;mode=record;timing_port=%hu;events;control_port=%hu;server_port=%hu", | |
309 | tport, cport, dport); | |
310 | } else { | |
311 | snprintf(buffer, sizeof(buffer)-1, | |
312 | "RTP/AVP/TCP;unicast;interleaved=0-1;mode=record;server_port=%u", | |
313 | dport); | |
314 | } | |
315 | logger_log(conn->raop->logger, LOGGER_INFO, "Responding with %s", buffer); | |
316 | http_response_add_header(res, "Transport", buffer); | |
317 | http_response_add_header(res, "Session", "DEADBEEF"); | |
318 | } else if (!strcmp(method, "SET_PARAMETER")) { | |
319 | const char *content_type; | |
320 | const char *data; | |
321 | int datalen; | |
322 | ||
323 | content_type = http_request_get_header(request, "Content-Type"); | |
324 | data = http_request_get_data(request, &datalen); | |
325 | if (!strcmp(content_type, "text/parameters")) { | |
326 | char *datastr; | |
327 | datastr = calloc(1, datalen+1); | |
328 | if (data && datastr && conn->raop_rtp) { | |
329 | memcpy(datastr, data, datalen); | |
330 | if (!strncmp(datastr, "volume: ", 8)) { | |
331 | float vol = 0.0; | |
332 | sscanf(datastr+8, "%f", &vol); | |
333 | raop_rtp_set_volume(conn->raop_rtp, vol); | |
334 | } | |
335 | } else if (!conn->raop_rtp) { | |
336 | logger_log(conn->raop->logger, LOGGER_WARNING, "RAOP not initialized at SET_PARAMETER volume"); | |
337 | } | |
338 | free(datastr); | |
339 | } else if (!strcmp(content_type, "image/jpeg")) { | |
340 | logger_log(conn->raop->logger, LOGGER_INFO, "Got image data of %d bytes", datalen); | |
341 | if (conn->raop_rtp) { | |
342 | raop_rtp_set_coverart(conn->raop_rtp, data, datalen); | |
343 | } else { | |
344 | logger_log(conn->raop->logger, LOGGER_WARNING, "RAOP not initialized at SET_PARAMETER coverart"); | |
345 | } | |
346 | } else if (!strcmp(content_type, "application/x-dmap-tagged")) { | |
347 | logger_log(conn->raop->logger, LOGGER_INFO, "Got metadata of %d bytes", datalen); | |
348 | if (conn->raop_rtp) { | |
349 | raop_rtp_set_metadata(conn->raop_rtp, data, datalen); | |
350 | } else { | |
351 | logger_log(conn->raop->logger, LOGGER_WARNING, "RAOP not initialized at SET_PARAMETER metadata"); | |
352 | } | |
353 | } | |
354 | } else if (!strcmp(method, "FLUSH")) { | |
355 | const char *rtpinfo; | |
356 | int next_seq = -1; | |
357 | ||
358 | rtpinfo = http_request_get_header(request, "RTP-Info"); | |
359 | if (rtpinfo) { | |
360 | logger_log(conn->raop->logger, LOGGER_INFO, "Flush with RTP-Info: %s", rtpinfo); | |
361 | if (!strncmp(rtpinfo, "seq=", 4)) { | |
362 | next_seq = strtol(rtpinfo+4, NULL, 10); | |
363 | } | |
364 | } | |
365 | if (conn->raop_rtp) { | |
366 | raop_rtp_flush(conn->raop_rtp, next_seq); | |
367 | } else { | |
368 | logger_log(conn->raop->logger, LOGGER_WARNING, "RAOP not initialized at FLUSH"); | |
369 | } | |
370 | } else if (!strcmp(method, "TEARDOWN")) { | |
371 | http_response_add_header(res, "Connection", "close"); | |
372 | if (conn->raop_rtp) { | |
373 | /* Destroy our RTP session */ | |
374 | raop_rtp_stop(conn->raop_rtp); | |
375 | raop_rtp_destroy(conn->raop_rtp); | |
376 | conn->raop_rtp = NULL; | |
377 | } | |
378 | } | |
379 | http_response_finish(res, NULL, 0); | |
380 | ||
381 | logger_log(conn->raop->logger, LOGGER_DEBUG, "Handled request %s with URL %s", method, http_request_get_url(request)); | |
382 | *response = res; | |
383 | } | |
384 | ||
385 | static void | |
386 | conn_destroy(void *ptr) | |
387 | { | |
388 | raop_conn_t *conn = ptr; | |
389 | ||
390 | if (conn->raop_rtp) { | |
391 | /* This is done in case TEARDOWN was not called */ | |
392 | raop_rtp_destroy(conn->raop_rtp); | |
393 | } | |
394 | free(conn->local); | |
395 | free(conn->remote); | |
396 | free(conn); | |
397 | } | |
398 | ||
399 | raop_t * | |
400 | raop_init(int max_clients, raop_callbacks_t *callbacks, const char *pemkey, int *error) | |
401 | { | |
402 | raop_t *raop; | |
403 | httpd_t *httpd; | |
404 | rsakey_t *rsakey; | |
405 | httpd_callbacks_t httpd_cbs; | |
406 | ||
407 | assert(callbacks); | |
408 | assert(max_clients > 0); | |
409 | assert(max_clients < 100); | |
410 | assert(pemkey); | |
411 | ||
412 | /* Initialize the network */ | |
413 | if (netutils_init() < 0) { | |
414 | return NULL; | |
415 | } | |
416 | ||
417 | /* Validate the callbacks structure */ | |
418 | if (!callbacks->audio_init || | |
419 | !callbacks->audio_process || | |
420 | !callbacks->audio_destroy) { | |
421 | return NULL; | |
422 | } | |
423 | ||
424 | /* Allocate the raop_t structure */ | |
425 | raop = calloc(1, sizeof(raop_t)); | |
426 | if (!raop) { | |
427 | return NULL; | |
428 | } | |
429 | ||
430 | /* Initialize the logger */ | |
431 | raop->logger = logger_init(); | |
432 | ||
433 | /* Set HTTP callbacks to our handlers */ | |
434 | memset(&httpd_cbs, 0, sizeof(httpd_cbs)); | |
435 | httpd_cbs.opaque = raop; | |
436 | httpd_cbs.conn_init = &conn_init; | |
437 | httpd_cbs.conn_request = &conn_request; | |
438 | httpd_cbs.conn_destroy = &conn_destroy; | |
439 | ||
440 | /* Initialize the http daemon */ | |
441 | httpd = httpd_init(raop->logger, &httpd_cbs, max_clients); | |
442 | if (!httpd) { | |
443 | free(raop); | |
444 | return NULL; | |
445 | } | |
446 | ||
447 | /* Copy callbacks structure */ | |
448 | memcpy(&raop->callbacks, callbacks, sizeof(raop_callbacks_t)); | |
449 | ||
450 | /* Initialize RSA key handler */ | |
451 | rsakey = rsakey_init_pem(pemkey); | |
452 | if (!rsakey) { | |
453 | free(httpd); | |
454 | free(raop); | |
455 | return NULL; | |
456 | } | |
457 | ||
458 | raop->httpd = httpd; | |
459 | raop->rsakey = rsakey; | |
460 | ||
461 | return raop; | |
462 | } | |
463 | ||
464 | raop_t * | |
465 | raop_init_from_keyfile(int max_clients, raop_callbacks_t *callbacks, const char *keyfile, int *error) | |
466 | { | |
467 | raop_t *raop; | |
468 | char *pemstr; | |
469 | ||
470 | if (utils_read_file(&pemstr, keyfile) < 0) { | |
471 | return NULL; | |
472 | } | |
473 | raop = raop_init(max_clients, callbacks, pemstr, error); | |
474 | free(pemstr); | |
475 | return raop; | |
476 | } | |
477 | ||
478 | void | |
479 | raop_destroy(raop_t *raop) | |
480 | { | |
481 | if (raop) { | |
482 | raop_stop(raop); | |
483 | ||
484 | httpd_destroy(raop->httpd); | |
485 | rsakey_destroy(raop->rsakey); | |
486 | logger_destroy(raop->logger); | |
487 | free(raop); | |
488 | ||
489 | /* Cleanup the network */ | |
490 | netutils_cleanup(); | |
491 | } | |
492 | } | |
493 | ||
494 | int | |
495 | raop_is_running(raop_t *raop) | |
496 | { | |
497 | assert(raop); | |
498 | ||
499 | return httpd_is_running(raop->httpd); | |
500 | } | |
501 | ||
502 | void | |
503 | raop_set_log_level(raop_t *raop, int level) | |
504 | { | |
505 | assert(raop); | |
506 | ||
507 | logger_set_level(raop->logger, level); | |
508 | } | |
509 | ||
510 | void | |
511 | raop_set_log_callback(raop_t *raop, raop_log_callback_t callback, void *cls) | |
512 | { | |
513 | assert(raop); | |
514 | ||
515 | logger_set_callback(raop->logger, callback, cls); | |
516 | } | |
517 | ||
518 | int | |
519 | raop_start(raop_t *raop, unsigned short *port, const char *hwaddr, int hwaddrlen, const char *password) | |
520 | { | |
521 | assert(raop); | |
522 | assert(port); | |
523 | assert(hwaddr); | |
524 | ||
525 | /* Validate hardware address */ | |
526 | if (hwaddrlen > MAX_HWADDR_LEN) { | |
527 | return -1; | |
528 | } | |
529 | ||
530 | memset(raop->password, 0, sizeof(raop->password)); | |
531 | if (password) { | |
532 | /* Validate password */ | |
533 | if (strlen(password) > MAX_PASSWORD_LEN) { | |
534 | return -1; | |
535 | } | |
536 | ||
537 | /* Copy password to the raop structure */ | |
538 | strncpy(raop->password, password, MAX_PASSWORD_LEN); | |
539 | } | |
540 | ||
541 | /* Copy hwaddr to the raop structure */ | |
542 | memcpy(raop->hwaddr, hwaddr, hwaddrlen); | |
543 | raop->hwaddrlen = hwaddrlen; | |
544 | ||
545 | return httpd_start(raop->httpd, port); | |
546 | } | |
547 | ||
548 | void | |
549 | raop_stop(raop_t *raop) | |
550 | { | |
551 | assert(raop); | |
552 | ||
553 | httpd_stop(raop->httpd); | |
554 | } | |
555 |