aboutsummaryrefslogtreecommitdiffhomepage
path: root/stream/network.c
blob: 6874d9a9eac8dddaae79581aa481372569a5440e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
/*
 * Network layer for MPlayer
 * by Bertrand BAUDET <bertrand_baudet@yahoo.com>
 * (C) 2001, MPlayer team.
 */

//#define DUMP2FILE

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

#include <errno.h>
#include <ctype.h>

#include "config.h"

#include "mp_msg.h"
#include "help_mp.h"

#ifndef HAVE_WINSOCK2
#define closesocket close
#else
#include <winsock2.h>
#include <ws2tcpip.h>
#endif

#include "stream.h"
#include "libmpdemux/demuxer.h"
#include "m_config.h"

#include "network.h"
#include "tcp.h"
#include "http.h"
#include "cookies.h"
#include "url.h"

#include "version.h"

extern int stream_cache_size;

/* Variables for the command line option -user, -passwd, -bandwidth,
   -user-agent and -nocookies */

char *network_username=NULL;
char *network_password=NULL;
int   network_bandwidth=0;
int   network_cookies_enabled = 0;
char *network_useragent=NULL;

/* IPv6 options */
int   network_ipv4_only_proxy = 0;


const mime_struct_t mime_type_table[] = {
	// MP3 streaming, some MP3 streaming server answer with audio/mpeg
	{ "audio/mpeg", DEMUXER_TYPE_AUDIO },
	// MPEG streaming
	{ "video/mpeg", DEMUXER_TYPE_UNKNOWN },
	{ "video/x-mpeg", DEMUXER_TYPE_UNKNOWN },
	{ "video/x-mpeg2", DEMUXER_TYPE_UNKNOWN },
	// AVI ??? => video/x-msvideo
	{ "video/x-msvideo", DEMUXER_TYPE_AVI },
	// MOV => video/quicktime
	{ "video/quicktime", DEMUXER_TYPE_MOV },
	// ASF
        { "audio/x-ms-wax", DEMUXER_TYPE_ASF },
	{ "audio/x-ms-wma", DEMUXER_TYPE_ASF },
	{ "video/x-ms-asf", DEMUXER_TYPE_ASF },
	{ "video/x-ms-afs", DEMUXER_TYPE_ASF },
	{ "video/x-ms-wmv", DEMUXER_TYPE_ASF },
	{ "video/x-ms-wma", DEMUXER_TYPE_ASF },
	{ "application/x-mms-framed", DEMUXER_TYPE_ASF },
	{ "application/vnd.ms.wms-hdr.asfv1", DEMUXER_TYPE_ASF },
	{ "application/octet-stream", DEMUXER_TYPE_UNKNOWN },
	// Playlists
	{ "video/x-ms-wmx", DEMUXER_TYPE_PLAYLIST },
	{ "video/x-ms-wvx", DEMUXER_TYPE_PLAYLIST },
	{ "audio/x-scpls", DEMUXER_TYPE_PLAYLIST },
	{ "audio/x-mpegurl", DEMUXER_TYPE_PLAYLIST },
	{ "audio/x-pls", DEMUXER_TYPE_PLAYLIST },
	// Real Media
//	{ "audio/x-pn-realaudio", DEMUXER_TYPE_REAL },
	// OGG Streaming
	{ "application/x-ogg", DEMUXER_TYPE_OGG },
	// NullSoft Streaming Video
	{ "video/nsv", DEMUXER_TYPE_NSV},
	{ "misc/ultravox", DEMUXER_TYPE_NSV},
#ifdef USE_LIBAVFORMAT
	// Flash Video
	{ "video/x-flv", DEMUXER_TYPE_LAVF},
#endif
	{ NULL, DEMUXER_TYPE_UNKNOWN},
};


streaming_ctrl_t *
streaming_ctrl_new(void) {
	streaming_ctrl_t *streaming_ctrl;
	streaming_ctrl = malloc(sizeof(streaming_ctrl_t));
	if( streaming_ctrl==NULL ) {
		mp_msg(MSGT_NETWORK,MSGL_FATAL,MSGTR_MemAllocFailed);
		return NULL;
	}
	memset( streaming_ctrl, 0, sizeof(streaming_ctrl_t) );
	return streaming_ctrl;
}

void
streaming_ctrl_free( streaming_ctrl_t *streaming_ctrl ) {
	if( streaming_ctrl==NULL ) return;
	if( streaming_ctrl->url ) url_free( streaming_ctrl->url );
	if( streaming_ctrl->buffer ) free( streaming_ctrl->buffer );
	if( streaming_ctrl->data ) free( streaming_ctrl->data );
	free( streaming_ctrl );
}

URL_t*
check4proxies( URL_t *url ) {
	URL_t *url_out = NULL;
	if( url==NULL ) return NULL;
	url_out = url_new( url->url );
	if( !strcasecmp(url->protocol, "http_proxy") ) {
		mp_msg(MSGT_NETWORK,MSGL_V,"Using HTTP proxy: http://%s:%d\n", url->hostname, url->port );
		return url_out;
	}
	// Check if the http_proxy environment variable is set.
	if( !strcasecmp(url->protocol, "http") ) {
		char *proxy;
		proxy = getenv("http_proxy");
		if( proxy!=NULL ) {
			// We got a proxy, build the URL to use it
			int len;
			char *new_url;
			URL_t *tmp_url;
			URL_t *proxy_url = url_new( proxy );

			if( proxy_url==NULL ) {
				mp_msg(MSGT_NETWORK,MSGL_WARN,
					MSGTR_MPDEMUX_NW_InvalidProxySettingTryingWithout);
				return url_out;
			}
			
#ifdef HAVE_AF_INET6
			if (network_ipv4_only_proxy && (gethostbyname(url->hostname)==NULL)) {
				mp_msg(MSGT_NETWORK,MSGL_WARN,
					MSGTR_MPDEMUX_NW_CantResolvTryingWithoutProxy);
				url_free(proxy_url);
				return url_out;
			}
#endif

			mp_msg(MSGT_NETWORK,MSGL_V,"Using HTTP proxy: %s\n", proxy_url->url );
			len = strlen( proxy_url->hostname ) + strlen( url->url ) + 20;	// 20 = http_proxy:// + port
			new_url = malloc( len+1 );
			if( new_url==NULL ) {
				mp_msg(MSGT_NETWORK,MSGL_FATAL,MSGTR_MemAllocFailed);
				url_free(proxy_url);
				return url_out;
			}
			sprintf(new_url, "http_proxy://%s:%d/%s", proxy_url->hostname, proxy_url->port, url->url );
			tmp_url = url_new( new_url );
			if( tmp_url==NULL ) {
				free( new_url );
				url_free( proxy_url );
				return url_out;
			}
			url_free( url_out );
			url_out = tmp_url;
			free( new_url );
			url_free( proxy_url );
		}
	}
	return url_out;
}

int
http_send_request( URL_t *url, off_t pos ) {
	HTTP_header_t *http_hdr;
	URL_t *server_url;
	char str[256];
	int fd = -1;
	int ret;
	int proxy = 0;		// Boolean

	http_hdr = http_new_header();

	if( !strcasecmp(url->protocol, "http_proxy") ) {
		proxy = 1;
		server_url = url_new( (url->file)+1 );
		http_set_uri( http_hdr, server_url->url );
	} else {
		server_url = url;
		http_set_uri( http_hdr, server_url->file );
	}
	if (server_url->port && server_url->port != 80)
	    snprintf(str, 256, "Host: %s:%d", server_url->hostname, server_url->port );
	else
	    snprintf(str, 256, "Host: %s", server_url->hostname );
	http_set_field( http_hdr, str);
	if (network_useragent)
	{
	    snprintf(str, 256, "User-Agent: %s", network_useragent);
	    http_set_field(http_hdr, str);
	}
	else
	    http_set_field( http_hdr, "User-Agent: MPlayer/"VERSION);

	http_set_field(http_hdr, "Icy-MetaData: 1");

	if(pos>0) { 
	// Extend http_send_request with possibility to do partial content retrieval
	    snprintf(str, 256, "Range: bytes=%"PRId64"-", (int64_t)pos);
	    http_set_field(http_hdr, str);
	}
	    
	if (network_cookies_enabled) cookies_set( http_hdr, server_url->hostname, server_url->url );
	
	http_set_field( http_hdr, "Connection: close");
	http_add_basic_authentication( http_hdr, url->username, url->password );
	if( http_build_request( http_hdr )==NULL ) {
		goto err_out;
	}

	if( proxy ) {
		if( url->port==0 ) url->port = 8080;			// Default port for the proxy server
		fd = connect2Server( url->hostname, url->port,1 );
		url_free( server_url );
		server_url = NULL;
	} else {
		if( server_url->port==0 ) server_url->port = 80;	// Default port for the web server
		fd = connect2Server( server_url->hostname, server_url->port,1 );
	}
	if( fd<0 ) {
		goto err_out;
	}
	mp_msg(MSGT_NETWORK,MSGL_DBG2,"Request: [%s]\n", http_hdr->buffer );
	
	ret = send( fd, http_hdr->buffer, http_hdr->buffer_size, 0 );
	if( ret!=(int)http_hdr->buffer_size ) {
		mp_msg(MSGT_NETWORK,MSGL_ERR,MSGTR_MPDEMUX_NW_ErrSendingHTTPRequest);
		goto err_out;
	}
	
	http_free( http_hdr );

	return fd;
err_out:
	if (fd > 0) closesocket(fd);
	http_free(http_hdr);
	if (proxy && server_url)
		url_free(server_url);
	return -1;
}

HTTP_header_t *
http_read_response( int fd ) {
	HTTP_header_t *http_hdr;
	char response[BUFFER_SIZE];
	int i;

	http_hdr = http_new_header();
	if( http_hdr==NULL ) {
		return NULL;
	}

	do {
		i = recv( fd, response, BUFFER_SIZE, 0 ); 
		if( i<0 ) {
			mp_msg(MSGT_NETWORK,MSGL_ERR,MSGTR_MPDEMUX_NW_ReadFailed);
			http_free( http_hdr );
			return NULL;
		}
		if( i==0 ) {
			mp_msg(MSGT_NETWORK,MSGL_ERR,MSGTR_MPDEMUX_NW_Read0CouldBeEOF);
			http_free( http_hdr );
			return NULL;
		}
		http_response_append( http_hdr, response, i );
	} while( !http_is_header_entire( http_hdr ) ); 
	http_response_parse( http_hdr );
	return http_hdr;
}

int
http_authenticate(HTTP_header_t *http_hdr, URL_t *url, int *auth_retry) {
	char *aut;

	if( *auth_retry==1 ) {
		mp_msg(MSGT_NETWORK,MSGL_ERR,MSGTR_MPDEMUX_NW_AuthFailed);
		return -1;
	}
	if( *auth_retry>0 ) {
		if( url->username ) {
			free( url->username );
			url->username = NULL;
		}
		if( url->password ) {
			free( url->password );
			url->password = NULL;
		}
	}

	aut = http_get_field(http_hdr, "WWW-Authenticate");
	if( aut!=NULL ) {
		char *aut_space;
		aut_space = strstr(aut, "realm=");
		if( aut_space!=NULL ) aut_space += 6;
		mp_msg(MSGT_NETWORK,MSGL_INFO,MSGTR_MPDEMUX_NW_AuthRequiredFor, aut_space);
	} else {
		mp_msg(MSGT_NETWORK,MSGL_INFO,MSGTR_MPDEMUX_NW_AuthRequired);
	}
	if( network_username ) {
		url->username = strdup(network_username);
		if( url->username==NULL ) {
			mp_msg(MSGT_NETWORK,MSGL_FATAL,MSGTR_MemAllocFailed);
			return -1;
		}
	} else {
		mp_msg(MSGT_NETWORK,MSGL_ERR,MSGTR_MPDEMUX_NW_AuthFailed);
		return -1;
	}
	if( network_password ) {
		url->password = strdup(network_password);
		if( url->password==NULL ) {
			mp_msg(MSGT_NETWORK,MSGL_FATAL,MSGTR_MemAllocFailed);
			return -1;
		}
	} else {
		mp_msg(MSGT_NETWORK,MSGL_INFO,MSGTR_MPDEMUX_NW_NoPasswdProvidedTryingBlank);
	}
	(*auth_retry)++;
	return 0;
}

int
http_seek( stream_t *stream, off_t pos ) {
	HTTP_header_t *http_hdr = NULL;
	int fd;
	if( stream==NULL ) return 0;

	if( stream->fd>0 ) closesocket(stream->fd); // need to reconnect to seek in http-stream
	fd = http_send_request( stream->streaming_ctrl->url, pos ); 
	if( fd<0 ) return 0;

	http_hdr = http_read_response( fd );

	if( http_hdr==NULL ) return 0;

	switch( http_hdr->status_code ) {
		case 200:
		case 206: // OK
			mp_msg(MSGT_NETWORK,MSGL_V,"Content-Type: [%s]\n", http_get_field(http_hdr, "Content-Type") );
			mp_msg(MSGT_NETWORK,MSGL_V,"Content-Length: [%s]\n", http_get_field(http_hdr, "Content-Length") );
			if( http_hdr->body_size>0 ) {
				if( streaming_bufferize( stream->streaming_ctrl, http_hdr->body, http_hdr->body_size )<0 ) {
					http_free( http_hdr );
					return -1;
				}
			}
			break;
		default:
			mp_msg(MSGT_NETWORK,MSGL_ERR,MSGTR_MPDEMUX_NW_ErrServerReturned, http_hdr->status_code, http_hdr->reason_phrase );
			close( fd );
			fd = -1;
	}
	stream->fd = fd;

	if( http_hdr ) {
		http_free( http_hdr );
		stream->streaming_ctrl->data = NULL;
	}

	stream->pos=pos;

	return 1;
}


int
streaming_bufferize( streaming_ctrl_t *streaming_ctrl, char *buffer, int size) {
//printf("streaming_bufferize\n");
	streaming_ctrl->buffer = malloc(size);
	if( streaming_ctrl->buffer==NULL ) {
		mp_msg(MSGT_NETWORK,MSGL_FATAL,MSGTR_MemAllocFailed);
		return -1;
	}
	memcpy( streaming_ctrl->buffer, buffer, size );
	streaming_ctrl->buffer_size = size;
	return size;
}

int
nop_streaming_read( int fd, char *buffer, int size, streaming_ctrl_t *stream_ctrl ) {
	int len=0;
//printf("nop_streaming_read\n");
	if( stream_ctrl->buffer_size!=0 ) {
		int buffer_len = stream_ctrl->buffer_size-stream_ctrl->buffer_pos;
//printf("%d bytes in buffer\n", stream_ctrl->buffer_size);
		len = (size<buffer_len)?size:buffer_len;
		memcpy( buffer, (stream_ctrl->buffer)+(stream_ctrl->buffer_pos), len );
		stream_ctrl->buffer_pos += len;
//printf("buffer_pos = %d\n", stream_ctrl->buffer_pos );
		if( stream_ctrl->buffer_pos>=stream_ctrl->buffer_size ) {
			free( stream_ctrl->buffer );
			stream_ctrl->buffer = NULL;
			stream_ctrl->buffer_size = 0;
			stream_ctrl->buffer_pos = 0;
//printf("buffer cleaned\n");
		}
//printf("read %d bytes from buffer\n", len );
	}

	if( len<size ) {
		int ret;
		ret = recv( fd, buffer+len, size-len, 0 );
		if( ret<0 ) {
			mp_msg(MSGT_NETWORK,MSGL_ERR,"nop_streaming_read error : %s\n",strerror(errno));
		}
		len += ret;
//printf("read %d bytes from network\n", len );
	}
	
	return len;
}

int
nop_streaming_seek( int fd, off_t pos, streaming_ctrl_t *stream_ctrl ) {
	return -1;
	// To shut up gcc warning
	fd++;
	pos++;
	stream_ctrl=NULL;
}


void fixup_network_stream_cache(stream_t *stream) {
  if(stream->streaming_ctrl->buffering) {
    if(stream_cache_size<0) {
      // cache option not set, will use our computed value.
      // buffer in KBytes, *5 because the prefill is 20% of the buffer.
      stream_cache_size = (stream->streaming_ctrl->prebuffer_size/1024)*5;
      if( stream_cache_size<64 ) stream_cache_size = 64;	// 16KBytes min buffer
    }
    mp_msg(MSGT_NETWORK,MSGL_INFO,MSGTR_MPDEMUX_NW_CacheSizeSetTo, stream_cache_size);
  }
}


int
streaming_stop( stream_t *stream ) {
	stream->streaming_ctrl->status = streaming_stopped_e;
	return 0;
}