1 /*****************************************************************************
2 * http.c: HTTP input module
3 *****************************************************************************
4 * Copyright (C) 2001-2008 the VideoLAN team
7 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
8 * Christophe Massiot <massiot@via.ecp.fr>
9 * RĂ©mi Denis-Courmont <rem # videolan.org>
10 * Antoine Cellerier <dionoea at videolan dot org>
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
15 * (at your option) any later version.
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
25 *****************************************************************************/
27 /*****************************************************************************
29 *****************************************************************************/
34 #include <vlc_common.h>
35 #include <vlc_plugin.h>
38 #include <vlc_access.h>
40 #include <vlc_interface.h>
42 #include <vlc_network.h>
45 #include <vlc_strings.h>
46 #include <vlc_input.h>
58 /*****************************************************************************
60 *****************************************************************************/
61 static int Open ( vlc_object_t * );
62 static void Close( vlc_object_t * );
64 #define PROXY_TEXT N_("HTTP proxy")
65 #define PROXY_LONGTEXT N_( \
66 "HTTP proxy to be used It must be of the form " \
67 "http://[user@]myproxy.mydomain:myport/ ; " \
68 "if empty, the http_proxy environment variable will be tried." )
70 #define PROXY_PASS_TEXT N_("HTTP proxy password")
71 #define PROXY_PASS_LONGTEXT N_( \
72 "If your HTTP proxy requires a password, set it here." )
74 #define CACHING_TEXT N_("Caching value in ms")
75 #define CACHING_LONGTEXT N_( \
76 "Caching value for HTTP streams. This " \
77 "value should be set in milliseconds." )
79 #define AGENT_TEXT N_("HTTP user agent")
80 #define AGENT_LONGTEXT N_("User agent that will be " \
81 "used for the connection.")
83 #define RECONNECT_TEXT N_("Auto re-connect")
84 #define RECONNECT_LONGTEXT N_( \
85 "Automatically try to reconnect to the stream in case of a sudden " \
88 #define CONTINUOUS_TEXT N_("Continuous stream")
89 #define CONTINUOUS_LONGTEXT N_("Read a file that is " \
90 "being constantly updated (for example, a JPG file on a server). " \
91 "You should not globally enable this option as it will break all other " \
92 "types of HTTP streams." )
94 #define FORWARD_COOKIES_TEXT N_("Forward Cookies")
95 #define FORWARD_COOKIES_LONGTEXT N_("Forward Cookies Across http redirections ")
98 set_description( N_("HTTP input") );
99 set_capability( "access", 0 );
100 set_shortname( N_( "HTTP(S)" ) );
101 set_category( CAT_INPUT );
102 set_subcategory( SUBCAT_INPUT_ACCESS );
104 add_string( "http-proxy", NULL, NULL, PROXY_TEXT, PROXY_LONGTEXT,
106 add_password( "http-proxy-pwd", NULL, NULL,
107 PROXY_PASS_TEXT, PROXY_PASS_LONGTEXT, false );
108 add_integer( "http-caching", 4 * DEFAULT_PTS_DELAY / 1000, NULL,
109 CACHING_TEXT, CACHING_LONGTEXT, true );
110 add_string( "http-user-agent", COPYRIGHT_MESSAGE , NULL, AGENT_TEXT,
111 AGENT_LONGTEXT, true );
112 add_bool( "http-reconnect", 0, NULL, RECONNECT_TEXT,
113 RECONNECT_LONGTEXT, true );
114 add_bool( "http-continuous", 0, NULL, CONTINUOUS_TEXT,
115 CONTINUOUS_LONGTEXT, true );
116 add_bool( "http-forward-cookies", 0, NULL, FORWARD_COOKIES_TEXT,
117 FORWARD_COOKIES_LONGTEXT, true );
118 add_obsolete_string("http-user");
119 add_obsolete_string("http-pwd");
120 add_shortcut( "http" );
121 add_shortcut( "https" );
122 add_shortcut( "unsv" );
123 add_shortcut( "itpc" ); /* iTunes Podcast */
124 set_callbacks( Open, Close );
127 /*****************************************************************************
129 *****************************************************************************/
131 /* RFC 2617: Basic and Digest Access Authentication */
132 typedef struct http_auth_t
143 char *psz_HA1; /* stored H(A1) value if algorithm = "MD5-sess" */
149 tls_session_t *p_tls;
154 char *psz_user_agent;
160 http_auth_t proxy_auth;
161 char *psz_proxy_passbuf;
165 const char *psz_protocol;
187 int64_t i_icy_offset;
200 vlc_array_t * cookies;
204 static int OpenWithCookies( vlc_object_t *p_this, vlc_array_t *cookies );
207 static ssize_t Read( access_t *, uint8_t *, size_t );
208 static ssize_t ReadCompressed( access_t *, uint8_t *, size_t );
209 static int Seek( access_t *, int64_t );
210 static int Control( access_t *, int, va_list );
213 static int Connect( access_t *, int64_t );
214 static int Request( access_t *p_access, int64_t i_tell );
215 static void Disconnect( access_t * );
217 /* Small Cookie utilities. Cookies support is partial. */
218 static char * cookie_get_content( const char * cookie );
219 static char * cookie_get_domain( const char * cookie );
220 static char * cookie_get_name( const char * cookie );
221 static void cookie_append( vlc_array_t * cookies, char * cookie );
224 static void AuthParseHeader( access_t *p_access, const char *psz_header,
225 http_auth_t *p_auth );
226 static void AuthReply( access_t *p_acces, const char *psz_prefix,
227 vlc_url_t *p_url, http_auth_t *p_auth );
228 static int AuthCheckReply( access_t *p_access, const char *psz_header,
229 vlc_url_t *p_url, http_auth_t *p_auth );
230 static void AuthReset( http_auth_t *p_auth );
232 /*****************************************************************************
234 *****************************************************************************/
235 static int Open( vlc_object_t *p_this )
237 return OpenWithCookies( p_this, NULL );
240 static int OpenWithCookies( vlc_object_t *p_this, vlc_array_t *cookies )
242 access_t *p_access = (access_t*)p_this;
245 /* Only forward an store cookies if the corresponding option is activated */
246 bool b_forward_cookies = var_CreateGetBool( p_access, "http-forward-cookies" );
247 vlc_array_t * saved_cookies = b_forward_cookies ? (cookies ?: vlc_array_new()) : NULL;
249 /* Set up p_access */
250 STANDARD_READ_ACCESS_INIT;
252 p_access->pf_read = ReadCompressed;
255 p_sys->b_proxy = false;
256 p_sys->psz_proxy_passbuf = NULL;
257 p_sys->i_version = 1;
258 p_sys->b_seekable = true;
259 p_sys->psz_mime = NULL;
260 p_sys->psz_pragma = NULL;
261 p_sys->b_mms = false;
262 p_sys->b_icecast = false;
263 p_sys->psz_location = NULL;
264 p_sys->psz_user_agent = NULL;
265 p_sys->b_pace_control = true;
266 p_sys->b_ssl = false;
268 p_sys->b_compressed = false;
269 /* 15 is the max windowBits, +32 to enable optional gzip decoding */
270 if( inflateInit2( &p_sys->inflate.stream, 32+15 ) != Z_OK )
271 msg_Warn( p_access, "Error during zlib initialisation: %s",
272 p_sys->inflate.stream.msg );
273 if( zlibCompileFlags() & (1<<17) )
274 msg_Warn( p_access, "Your zlib was compiled without gzip support." );
275 p_sys->inflate.p_buffer = NULL;
279 p_sys->i_icy_meta = 0;
280 p_sys->i_icy_offset = 0;
281 p_sys->psz_icy_name = NULL;
282 p_sys->psz_icy_genre = NULL;
283 p_sys->psz_icy_title = NULL;
284 p_sys->i_remaining = 0;
285 p_sys->b_persist = false;
286 p_access->info.i_size = -1;
287 p_access->info.i_pos = 0;
288 p_access->info.b_eof = false;
290 p_sys->cookies = saved_cookies;
292 /* Parse URI - remove spaces */
293 p = psz = strdup( p_access->psz_path );
294 while( (p = strchr( p, ' ' )) != NULL )
296 vlc_UrlParse( &p_sys->url, psz, 0 );
299 if( p_sys->url.psz_host == NULL || *p_sys->url.psz_host == '\0' )
301 msg_Warn( p_access, "invalid host" );
304 if( !strncmp( p_access->psz_access, "https", 5 ) )
308 if( p_sys->url.i_port <= 0 )
309 p_sys->url.i_port = 443;
313 if( p_sys->url.i_port <= 0 )
314 p_sys->url.i_port = 80;
318 p_sys->psz_user_agent = var_CreateGetString( p_access, "http-user-agent" );
321 psz = var_CreateGetNonEmptyString( p_access, "http-proxy" );
324 p_sys->b_proxy = true;
325 vlc_UrlParse( &p_sys->proxy, psz, 0 );
331 pxProxyFactory *pf = px_proxy_factory_new();
336 i=asprintf(&buf, "%s://%s", p_access->psz_access, p_access->psz_path);
339 msg_Dbg(p_access, "asking libproxy about url '%s'", buf);
340 char **proxies = px_proxy_factory_get_proxies(pf, buf);
343 msg_Dbg(p_access, "libproxy suggest to use '%s'", proxies[0]);
344 if(strcmp(proxies[0],"direct://") != 0)
346 p_sys->b_proxy = true;
347 vlc_UrlParse( &p_sys->proxy, proxies[0], 0);
350 for(i=0;proxies[i];i++) free(proxies[i]);
354 px_proxy_factory_free(pf);
358 msg_Err(p_access, "Allocating memory for libproxy failed");
364 psz = getenv( "http_proxy" );
367 p_sys->b_proxy = true;
368 vlc_UrlParse( &p_sys->proxy, psz, 0 );
372 if( psz ) /* No, this is NOT a use-after-free error */
374 psz = var_CreateGetNonEmptyString( p_access, "http-proxy-pwd" );
376 p_sys->proxy.psz_password = p_sys->psz_proxy_passbuf = psz;
381 if( p_sys->proxy.psz_host == NULL || *p_sys->proxy.psz_host == '\0' )
383 msg_Warn( p_access, "invalid proxy host" );
386 if( p_sys->proxy.i_port <= 0 )
388 p_sys->proxy.i_port = 80;
392 msg_Dbg( p_access, "http: server='%s' port=%d file='%s",
393 p_sys->url.psz_host, p_sys->url.i_port, p_sys->url.psz_path );
396 msg_Dbg( p_access, " proxy %s:%d", p_sys->proxy.psz_host,
397 p_sys->proxy.i_port );
399 if( p_sys->url.psz_username && *p_sys->url.psz_username )
401 msg_Dbg( p_access, " user='%s'", p_sys->url.psz_username );
404 p_sys->b_reconnect = var_CreateGetBool( p_access, "http-reconnect" );
405 p_sys->b_continuous = var_CreateGetBool( p_access, "http-continuous" );
409 switch( Connect( p_access, 0 ) )
415 /* Retry with http 1.0 */
416 msg_Dbg( p_access, "switching to HTTP version 1.0" );
417 p_sys->i_version = 0;
418 p_sys->b_seekable = false;
420 if( !vlc_object_alive (p_access) || Connect( p_access, 0 ) )
428 msg_Err( p_access, "You should not be here" );
433 if( p_sys->i_code == 401 )
435 char *psz_login = NULL, *psz_password = NULL;
439 if( p_sys->url.psz_username && p_sys->url.psz_password &&
440 p_sys->auth.psz_nonce && p_sys->auth.i_nonce == 0 )
444 snprintf( psz_msg, 250,
445 _("Please enter a valid login name and a password for realm %s."),
446 p_sys->auth.psz_realm );
447 msg_Dbg( p_access, "authentication failed for realm %s",
448 p_sys->auth.psz_realm );
449 i_ret = intf_UserLoginPassword( p_access, _("HTTP authentication"),
450 psz_msg, &psz_login, &psz_password );
451 if( i_ret == DIALOG_OK_YES )
453 msg_Dbg( p_access, "retrying with user=%s, pwd=%s",
454 psz_login, psz_password );
455 if( psz_login ) p_sys->url.psz_username = strdup( psz_login );
456 if( psz_password ) p_sys->url.psz_password = strdup( psz_password );
458 free( psz_password );
464 free( psz_password );
469 if( ( p_sys->i_code == 301 || p_sys->i_code == 302 ||
470 p_sys->i_code == 303 || p_sys->i_code == 307 ) &&
471 p_sys->psz_location && *p_sys->psz_location )
473 msg_Dbg( p_access, "redirection to %s", p_sys->psz_location );
475 /* Do not accept redirection outside of HTTP works */
476 if( strncmp( p_sys->psz_location, "http", 4 )
477 || ( ( p_sys->psz_location[4] != ':' ) /* HTTP */
478 && strncmp( p_sys->psz_location + 4, "s:", 2 ) /* HTTP/SSL */ ) )
480 msg_Err( p_access, "insecure redirection ignored" );
483 free( p_access->psz_path );
484 p_access->psz_path = strdup( p_sys->psz_location );
485 /* Clean up current Open() run */
486 vlc_UrlClean( &p_sys->url );
487 AuthReset( &p_sys->auth );
488 vlc_UrlClean( &p_sys->proxy );
489 free( p_sys->psz_proxy_passbuf );
490 AuthReset( &p_sys->proxy_auth );
491 free( p_sys->psz_mime );
492 free( p_sys->psz_pragma );
493 free( p_sys->psz_location );
494 free( p_sys->psz_user_agent );
496 Disconnect( p_access );
497 cookies = p_sys->cookies;
500 /* Do new Open() run with new data */
501 return OpenWithCookies( p_this, cookies );
506 msg_Dbg( p_access, "this is actually a live mms server, BAIL" );
510 if( !strcmp( p_sys->psz_protocol, "ICY" ) || p_sys->b_icecast )
512 if( p_sys->psz_mime && strcasecmp( p_sys->psz_mime, "application/ogg" ) )
514 if( !strcasecmp( p_sys->psz_mime, "video/nsv" ) ||
515 !strcasecmp( p_sys->psz_mime, "video/nsa" ) )
517 free( p_access->psz_demux );
518 p_access->psz_demux = strdup( "nsv" );
520 else if( !strcasecmp( p_sys->psz_mime, "audio/aac" ) ||
521 !strcasecmp( p_sys->psz_mime, "audio/aacp" ) )
523 free( p_access->psz_demux );
524 p_access->psz_demux = strdup( "m4a" );
526 else if( !strcasecmp( p_sys->psz_mime, "audio/mpeg" ) )
528 free( p_access->psz_demux );
529 p_access->psz_demux = strdup( "mp3" );
532 msg_Info( p_access, "Raw-audio server found, %s demuxer selected",
533 p_access->psz_demux );
535 #if 0 /* Doesn't work really well because of the pre-buffering in
536 * shoutcast servers (the buffer content will be sent as fast as
538 p_sys->b_pace_control = false;
541 else if( !p_sys->psz_mime )
543 free( p_access->psz_demux );
545 p_access->psz_demux = strdup( "mp3" );
547 /* else probably Ogg Vorbis */
549 else if( !strcasecmp( p_access->psz_access, "unsv" ) &&
551 !strcasecmp( p_sys->psz_mime, "misc/ultravox" ) )
553 free( p_access->psz_demux );
554 /* Grrrr! detect ultravox server and force NSV demuxer */
555 p_access->psz_demux = strdup( "nsv" );
557 else if( !strcmp( p_access->psz_access, "itpc" ) )
559 free( p_access->psz_demux );
560 p_access->psz_demux = strdup( "podcast" );
562 else if( p_sys->psz_mime &&
563 !strncasecmp( p_sys->psz_mime, "application/xspf+xml", 20 ) &&
564 ( memchr( " ;\t", p_sys->psz_mime[20], 4 ) != NULL ) )
566 free( p_access->psz_demux );
567 p_access->psz_demux = strdup( "xspf-open" );
570 if( p_sys->b_reconnect ) msg_Dbg( p_access, "auto re-connect enabled" );
573 var_Create( p_access, "http-caching", VLC_VAR_INTEGER |VLC_VAR_DOINHERIT );
578 vlc_UrlClean( &p_sys->url );
579 vlc_UrlClean( &p_sys->proxy );
580 free( p_sys->psz_proxy_passbuf );
581 free( p_sys->psz_mime );
582 free( p_sys->psz_pragma );
583 free( p_sys->psz_location );
584 free( p_sys->psz_user_agent );
586 Disconnect( p_access );
591 /*****************************************************************************
593 *****************************************************************************/
594 static void Close( vlc_object_t *p_this )
596 access_t *p_access = (access_t*)p_this;
597 access_sys_t *p_sys = p_access->p_sys;
599 vlc_UrlClean( &p_sys->url );
600 AuthReset( &p_sys->auth );
601 vlc_UrlClean( &p_sys->proxy );
602 AuthReset( &p_sys->proxy_auth );
604 free( p_sys->psz_mime );
605 free( p_sys->psz_pragma );
606 free( p_sys->psz_location );
608 free( p_sys->psz_icy_name );
609 free( p_sys->psz_icy_genre );
610 free( p_sys->psz_icy_title );
612 free( p_sys->psz_user_agent );
614 Disconnect( p_access );
619 for( i = 0; i < vlc_array_count( p_sys->cookies ); i++ )
620 free(vlc_array_item_at_index( p_sys->cookies, i ));
621 vlc_array_destroy( p_sys->cookies );
625 inflateEnd( &p_sys->inflate.stream );
626 free( p_sys->inflate.p_buffer );
632 /*****************************************************************************
633 * Read: Read up to i_len bytes from the http connection and place in
634 * p_buffer. Return the actual number of bytes read
635 *****************************************************************************/
636 static int ReadICYMeta( access_t *p_access );
637 static ssize_t Read( access_t *p_access, uint8_t *p_buffer, size_t i_len )
639 access_sys_t *p_sys = p_access->p_sys;
644 p_access->info.b_eof = true;
648 if( p_access->info.i_size >= 0 &&
649 i_len + p_access->info.i_pos > p_access->info.i_size )
651 if( ( i_len = p_access->info.i_size - p_access->info.i_pos ) == 0 )
653 p_access->info.b_eof = true;
658 if( p_sys->b_chunked )
660 if( p_sys->i_chunk < 0 )
662 p_access->info.b_eof = true;
666 if( p_sys->i_chunk <= 0 )
668 char *psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, p_sys->p_vs );
669 /* read the chunk header */
672 /* fatal error - end of file */
673 msg_Dbg( p_access, "failed reading chunk-header line" );
676 p_sys->i_chunk = strtoll( psz, NULL, 16 );
679 if( p_sys->i_chunk <= 0 ) /* eof */
682 p_access->info.b_eof = true;
687 if( i_len > p_sys->i_chunk )
689 i_len = p_sys->i_chunk;
692 else if( p_access->info.i_size != -1 && (int64_t)i_len > p_sys->i_remaining) {
693 /* Only ask for the remaining length */
694 i_len = (size_t)p_sys->i_remaining;
696 p_access->info.b_eof = true;
702 if( p_sys->i_icy_meta > 0 && p_access->info.i_pos-p_sys->i_icy_offset > 0 )
704 int64_t i_next = p_sys->i_icy_meta -
705 (p_access->info.i_pos - p_sys->i_icy_offset ) % p_sys->i_icy_meta;
707 if( i_next == p_sys->i_icy_meta )
709 if( ReadICYMeta( p_access ) )
711 p_access->info.b_eof = true;
719 i_read = net_Read( p_access, p_sys->fd, p_sys->p_vs, p_buffer, i_len, false );
723 p_access->info.i_pos += i_read;
725 if( p_sys->b_chunked )
727 p_sys->i_chunk -= i_read;
728 if( p_sys->i_chunk <= 0 )
730 /* read the empty line */
731 char *psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, p_sys->p_vs );
736 else if( i_read == 0 )
739 * I very much doubt that this will work.
740 * If i_read == 0, the connection *IS* dead, so the only
741 * sensible thing to do is Disconnect() and then retry.
742 * Otherwise, I got recv() completely wrong. -- Courmisch
744 if( p_sys->b_continuous )
746 Request( p_access, 0 );
747 p_sys->b_continuous = false;
748 i_read = Read( p_access, p_buffer, i_len );
749 p_sys->b_continuous = true;
751 Disconnect( p_access );
752 if( p_sys->b_reconnect )
754 msg_Dbg( p_access, "got disconnected, trying to reconnect" );
755 if( Connect( p_access, p_access->info.i_pos ) )
757 msg_Dbg( p_access, "reconnection failed" );
761 p_sys->b_reconnect = false;
762 i_read = Read( p_access, p_buffer, i_len );
763 p_sys->b_reconnect = true;
767 if( i_read == 0 ) p_access->info.b_eof = true;
770 if( p_access->info.i_size != -1 )
772 p_sys->i_remaining -= i_read;
778 static int ReadICYMeta( access_t *p_access )
780 access_sys_t *p_sys = p_access->p_sys;
786 /* Read meta data length */
787 i_read = net_Read( p_access, p_sys->fd, p_sys->p_vs, &buffer, 1,
794 i_read = buffer << 4;
795 /* msg_Dbg( p_access, "ICY meta size=%u", i_read); */
797 psz_meta = malloc( i_read + 1 );
798 if( net_Read( p_access, p_sys->fd, p_sys->p_vs,
799 (uint8_t *)psz_meta, i_read, true ) != i_read )
802 psz_meta[i_read] = '\0'; /* Just in case */
804 /* msg_Dbg( p_access, "icy-meta=%s", psz_meta ); */
806 /* Now parse the meta */
807 /* Look for StreamTitle= */
808 p = strcasestr( (char *)psz_meta, "StreamTitle=" );
811 p += strlen( "StreamTitle=" );
812 if( *p == '\'' || *p == '"' )
814 char closing[] = { p[0], ';', '\0' };
815 char *psz = strstr( &p[1], closing );
817 psz = strchr( &p[1], ';' );
819 if( psz ) *psz = '\0';
823 char *psz = strchr( &p[1], ';' );
824 if( psz ) *psz = '\0';
827 if( !p_sys->psz_icy_title ||
828 strcmp( p_sys->psz_icy_title, &p[1] ) )
830 free( p_sys->psz_icy_title );
831 p_sys->psz_icy_title = strdup( &p[1] );
832 p_access->info.i_update |= INPUT_UPDATE_META;
834 msg_Dbg( p_access, "New Title=%s", p_sys->psz_icy_title );
843 static ssize_t ReadCompressed( access_t *p_access, uint8_t *p_buffer,
846 access_sys_t *p_sys = p_access->p_sys;
848 if( p_sys->b_compressed )
852 if( !p_sys->inflate.p_buffer )
853 p_sys->inflate.p_buffer = malloc( 256 * 1024 );
855 if( p_sys->inflate.stream.avail_in == 0 )
857 ssize_t i_read = Read( p_access, p_sys->inflate.p_buffer + p_sys->inflate.stream.avail_in, 256 * 1024 );
858 if( i_read <= 0 ) return i_read;
859 p_sys->inflate.stream.next_in = p_sys->inflate.p_buffer;
860 p_sys->inflate.stream.avail_in = i_read;
863 p_sys->inflate.stream.avail_out = i_len;
864 p_sys->inflate.stream.next_out = p_buffer;
866 i_ret = inflate( &p_sys->inflate.stream, Z_SYNC_FLUSH );
867 msg_Warn( p_access, "inflate return value: %d, %s", i_ret, p_sys->inflate.stream.msg );
869 return i_len - p_sys->inflate.stream.avail_out;
873 return Read( p_access, p_buffer, i_len );
878 /*****************************************************************************
879 * Seek: close and re-open a connection at the right place
880 *****************************************************************************/
881 static int Seek( access_t *p_access, int64_t i_pos )
883 msg_Dbg( p_access, "trying to seek to %"PRId64, i_pos );
885 Disconnect( p_access );
887 if( p_access->info.i_size
888 && (uint64_t)i_pos >= (uint64_t)p_access->info.i_size ) {
889 msg_Err( p_access, "seek to far" );
890 int retval = Seek( p_access, p_access->info.i_size - 1 );
891 if( retval == VLC_SUCCESS ) {
893 Read( p_access, p_buffer, 1);
894 p_access->info.b_eof = false;
898 if( Connect( p_access, i_pos ) )
900 msg_Err( p_access, "seek failed" );
901 p_access->info.b_eof = true;
907 /*****************************************************************************
909 *****************************************************************************/
910 static int Control( access_t *p_access, int i_query, va_list args )
912 access_sys_t *p_sys = p_access->p_sys;
921 case ACCESS_CAN_SEEK:
922 pb_bool = (bool*)va_arg( args, bool* );
923 *pb_bool = p_sys->b_seekable;
925 case ACCESS_CAN_FASTSEEK:
926 pb_bool = (bool*)va_arg( args, bool* );
929 case ACCESS_CAN_PAUSE:
930 case ACCESS_CAN_CONTROL_PACE:
931 pb_bool = (bool*)va_arg( args, bool* );
933 #if 0 /* Disable for now until we have a clock synchro algo
934 * which works with something else than MPEG over UDP */
935 *pb_bool = p_sys->b_pace_control;
942 pi_int = (int*)va_arg( args, int * );
946 case ACCESS_GET_PTS_DELAY:
947 pi_64 = (int64_t*)va_arg( args, int64_t * );
948 *pi_64 = (int64_t)var_GetInteger( p_access, "http-caching" ) * 1000;
952 case ACCESS_SET_PAUSE_STATE:
955 case ACCESS_GET_META:
956 p_meta = (vlc_meta_t*)va_arg( args, vlc_meta_t* );
958 if( p_sys->psz_icy_name )
959 vlc_meta_Set( p_meta, vlc_meta_Title, p_sys->psz_icy_name );
960 if( p_sys->psz_icy_genre )
961 vlc_meta_Set( p_meta, vlc_meta_Genre, p_sys->psz_icy_genre );
962 if( p_sys->psz_icy_title )
963 vlc_meta_Set( p_meta, vlc_meta_NowPlaying, p_sys->psz_icy_title );
966 case ACCESS_GET_CONTENT_TYPE:
967 *va_arg( args, char ** ) =
968 p_sys->psz_mime ? strdup( p_sys->psz_mime ) : NULL;
971 case ACCESS_GET_TITLE_INFO:
972 case ACCESS_SET_TITLE:
973 case ACCESS_SET_SEEKPOINT:
974 case ACCESS_SET_PRIVATE_ID_STATE:
978 msg_Warn( p_access, "unimplemented query in control" );
985 /*****************************************************************************
987 *****************************************************************************/
988 static int Connect( access_t *p_access, int64_t i_tell )
990 access_sys_t *p_sys = p_access->p_sys;
991 vlc_url_t srv = p_sys->b_proxy ? p_sys->proxy : p_sys->url;
994 free( p_sys->psz_location );
995 free( p_sys->psz_mime );
996 free( p_sys->psz_pragma );
998 free( p_sys->psz_icy_genre );
999 free( p_sys->psz_icy_name );
1000 free( p_sys->psz_icy_title );
1003 p_sys->psz_location = NULL;
1004 p_sys->psz_mime = NULL;
1005 p_sys->psz_pragma = NULL;
1006 p_sys->b_mms = false;
1007 p_sys->b_chunked = false;
1009 p_sys->i_icy_meta = 0;
1010 p_sys->i_icy_offset = i_tell;
1011 p_sys->psz_icy_name = NULL;
1012 p_sys->psz_icy_genre = NULL;
1013 p_sys->psz_icy_title = NULL;
1014 p_sys->i_remaining = 0;
1015 p_sys->b_persist = false;
1017 p_access->info.i_size = -1;
1018 p_access->info.i_pos = i_tell;
1019 p_access->info.b_eof = false;
1022 /* Open connection */
1023 p_sys->fd = net_ConnectTCP( p_access, srv.psz_host, srv.i_port );
1024 if( p_sys->fd == -1 )
1026 msg_Err( p_access, "cannot connect to %s:%d", srv.psz_host, srv.i_port );
1030 /* Initialize TLS/SSL session */
1031 if( p_sys->b_ssl == true )
1033 /* CONNECT to establish TLS tunnel through HTTP proxy */
1034 if( p_sys->b_proxy )
1037 unsigned i_status = 0;
1039 if( p_sys->i_version == 0 )
1041 /* CONNECT is not in HTTP/1.0 */
1042 Disconnect( p_access );
1046 net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL,
1047 "CONNECT %s:%d HTTP/1.%d\r\nHost: %s:%d\r\n\r\n",
1048 p_sys->url.psz_host, p_sys->url.i_port,
1050 p_sys->url.psz_host, p_sys->url.i_port);
1052 psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, NULL );
1055 msg_Err( p_access, "cannot establish HTTP/TLS tunnel" );
1056 Disconnect( p_access );
1060 sscanf( psz, "HTTP/%*u.%*u %3u", &i_status );
1063 if( ( i_status / 100 ) != 2 )
1065 msg_Err( p_access, "HTTP/TLS tunnel through proxy denied" );
1066 Disconnect( p_access );
1072 psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, NULL );
1075 msg_Err( p_access, "HTTP proxy connection failed" );
1076 Disconnect( p_access );
1085 if( !vlc_object_alive (p_access) || p_access->b_error )
1087 Disconnect( p_access );
1094 /* TLS/SSL handshake */
1095 p_sys->p_tls = tls_ClientCreate( VLC_OBJECT(p_access), p_sys->fd,
1097 if( p_sys->p_tls == NULL )
1099 msg_Err( p_access, "cannot establish HTTP/TLS session" );
1100 Disconnect( p_access );
1103 p_sys->p_vs = &p_sys->p_tls->sock;
1106 return Request( p_access, i_tell ) ? -2 : 0;
1110 static int Request( access_t *p_access, int64_t i_tell )
1112 access_sys_t *p_sys = p_access->p_sys;
1114 v_socket_t *pvs = p_sys->p_vs;
1115 p_sys->b_persist = false;
1117 p_sys->i_remaining = 0;
1118 if( p_sys->b_proxy )
1120 if( p_sys->url.psz_path )
1122 net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL,
1123 "GET http://%s:%d%s HTTP/1.%d\r\n",
1124 p_sys->url.psz_host, p_sys->url.i_port,
1125 p_sys->url.psz_path, p_sys->i_version );
1129 net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL,
1130 "GET http://%s:%d/ HTTP/1.%d\r\n",
1131 p_sys->url.psz_host, p_sys->url.i_port,
1137 const char *psz_path = p_sys->url.psz_path;
1138 if( !psz_path || !*psz_path )
1142 if( p_sys->url.i_port != (pvs ? 443 : 80) )
1144 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs,
1145 "GET %s HTTP/1.%d\r\nHost: %s:%d\r\n",
1146 psz_path, p_sys->i_version, p_sys->url.psz_host,
1147 p_sys->url.i_port );
1151 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs,
1152 "GET %s HTTP/1.%d\r\nHost: %s\r\n",
1153 psz_path, p_sys->i_version, p_sys->url.psz_host );
1157 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs, "User-Agent: %s\r\n",
1158 p_sys->psz_user_agent );
1160 if( p_sys->i_version == 1 && ! p_sys->b_continuous )
1162 p_sys->b_persist = true;
1163 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs,
1164 "Range: bytes=%"PRIu64"-\r\n", i_tell );
1168 if( p_sys->cookies )
1171 for( i = 0; i < vlc_array_count( p_sys->cookies ); i++ )
1173 const char * cookie = vlc_array_item_at_index( p_sys->cookies, i );
1174 char * psz_cookie_content = cookie_get_content( cookie );
1175 char * psz_cookie_domain = cookie_get_domain( cookie );
1177 assert( psz_cookie_content );
1179 /* FIXME: This is clearly not conforming to the rfc */
1180 bool is_in_right_domain = (!psz_cookie_domain || strstr( p_sys->url.psz_host, psz_cookie_domain ));
1182 if( is_in_right_domain )
1184 msg_Dbg( p_access, "Sending Cookie %s", psz_cookie_content );
1185 if( net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs, "Cookie: %s\r\n", psz_cookie_content ) < 0 )
1186 msg_Err( p_access, "failed to send Cookie" );
1188 free( psz_cookie_content );
1189 free( psz_cookie_domain );
1193 /* Authentication */
1194 if( p_sys->url.psz_username || p_sys->url.psz_password )
1195 AuthReply( p_access, "", &p_sys->url, &p_sys->auth );
1197 /* Proxy Authentication */
1198 if( p_sys->proxy.psz_username || p_sys->proxy.psz_password )
1199 AuthReply( p_access, "Proxy-", &p_sys->proxy, &p_sys->proxy_auth );
1201 /* ICY meta data request */
1202 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs, "Icy-MetaData: 1\r\n" );
1205 if( net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs, "\r\n" ) < 0 )
1207 msg_Err( p_access, "failed to send request" );
1208 Disconnect( p_access );
1209 return VLC_EGENERIC;
1213 if( ( psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, pvs ) ) == NULL )
1215 msg_Err( p_access, "failed to read answer" );
1218 if( !strncmp( psz, "HTTP/1.", 7 ) )
1220 p_sys->psz_protocol = "HTTP";
1221 p_sys->i_code = atoi( &psz[9] );
1223 else if( !strncmp( psz, "ICY", 3 ) )
1225 p_sys->psz_protocol = "ICY";
1226 p_sys->i_code = atoi( &psz[4] );
1227 p_sys->b_reconnect = true;
1231 msg_Err( p_access, "invalid HTTP reply '%s'", psz );
1235 msg_Dbg( p_access, "protocol '%s' answer code %d",
1236 p_sys->psz_protocol, p_sys->i_code );
1237 if( !strcmp( p_sys->psz_protocol, "ICY" ) )
1239 p_sys->b_seekable = false;
1241 if( p_sys->i_code != 206 && p_sys->i_code != 401 )
1243 p_sys->b_seekable = false;
1245 /* Authentication error - We'll have to display the dialog */
1246 if( p_sys->i_code == 401 )
1250 /* Other fatal error */
1251 else if( p_sys->i_code >= 400 )
1253 msg_Err( p_access, "error: %s", psz );
1261 char *psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, pvs );
1266 msg_Err( p_access, "failed to read answer" );
1270 if( !vlc_object_alive (p_access) || p_access->b_error )
1276 /* msg_Dbg( p_input, "Line=%s", psz ); */
1283 if( ( p = strchr( psz, ':' ) ) == NULL )
1285 msg_Err( p_access, "malformed header line: %s", psz );
1290 while( *p == ' ' ) p++;
1292 if( !strcasecmp( psz, "Content-Length" ) )
1294 int64_t i_size = i_tell + (p_sys->i_remaining = atoll( p ));
1295 if(i_size > p_access->info.i_size) {
1296 p_access->info.i_size = i_size;
1298 msg_Dbg( p_access, "this frame size=%"PRId64, p_sys->i_remaining );
1300 else if( !strcasecmp( psz, "Content-Range" ) ) {
1301 int64_t i_ntell = i_tell;
1302 int64_t i_nend = (p_access->info.i_size > 0)?(p_access->info.i_size - 1):i_tell;
1303 int64_t i_nsize = p_access->info.i_size;
1304 sscanf(p,"bytes %"PRId64"-%"PRId64"/%"PRId64,&i_ntell,&i_nend,&i_nsize);
1305 if(i_nend > i_ntell ) {
1306 p_access->info.i_pos = i_ntell;
1307 p_sys->i_remaining = i_nend+1-i_ntell;
1308 int64_t i_size = (i_nsize > i_nend) ? i_nsize : (i_nend + 1);
1309 if(i_size > p_access->info.i_size) {
1310 p_access->info.i_size = i_size;
1312 msg_Dbg( p_access, "stream size=%"PRId64",pos=%"PRId64",remaining=%"PRId64,i_nsize,i_ntell,p_sys->i_remaining);
1315 else if( !strcasecmp( psz, "Connection" ) ) {
1316 msg_Dbg( p_access, "Connection: %s",p );
1318 sscanf(p, "close%n",&i);
1320 p_sys->b_persist = false;
1323 else if( !strcasecmp( psz, "Location" ) )
1327 /* This does not follow RFC 2068, but yet if the url is not absolute,
1328 * handle it as everyone does. */
1331 const char *psz_http_ext = p_sys->b_ssl ? "s" : "" ;
1333 if( p_sys->url.i_port == ( p_sys->b_ssl ? 443 : 80 ) )
1335 if( asprintf(&psz_new_loc, "http%s://%s%s", psz_http_ext,
1336 p_sys->url.psz_host, p) < 0 )
1341 if( asprintf(&psz_new_loc, "http%s://%s:%d%s", psz_http_ext,
1342 p_sys->url.psz_host, p_sys->url.i_port, p) < 0 )
1348 psz_new_loc = strdup( p );
1351 free( p_sys->psz_location );
1352 p_sys->psz_location = psz_new_loc;
1354 else if( !strcasecmp( psz, "Content-Type" ) )
1356 free( p_sys->psz_mime );
1357 p_sys->psz_mime = strdup( p );
1358 msg_Dbg( p_access, "Content-Type: %s", p_sys->psz_mime );
1360 else if( !strcasecmp( psz, "Content-Encoding" ) )
1362 msg_Dbg( p_access, "Content-Encoding: %s", p );
1363 if( strcasecmp( p, "identity" ) )
1365 p_sys->b_compressed = true;
1367 msg_Warn( p_access, "Compressed content not supported. Rebuild with zlib support." );
1370 else if( !strcasecmp( psz, "Pragma" ) )
1372 if( !strcasecmp( psz, "Pragma: features" ) )
1373 p_sys->b_mms = true;
1374 free( p_sys->psz_pragma );
1375 p_sys->psz_pragma = strdup( p );
1376 msg_Dbg( p_access, "Pragma: %s", p_sys->psz_pragma );
1378 else if( !strcasecmp( psz, "Server" ) )
1380 msg_Dbg( p_access, "Server: %s", p );
1381 if( !strncasecmp( p, "Icecast", 7 ) ||
1382 !strncasecmp( p, "Nanocaster", 10 ) )
1384 /* Remember if this is Icecast
1385 * we need to force demux in this case without breaking
1388 /* Let live 365 streams (nanocaster) piggyback on the icecast
1389 * routine. They look very similar */
1391 p_sys->b_reconnect = true;
1392 p_sys->b_pace_control = false;
1393 p_sys->b_icecast = true;
1396 else if( !strcasecmp( psz, "Transfer-Encoding" ) )
1398 msg_Dbg( p_access, "Transfer-Encoding: %s", p );
1399 if( !strncasecmp( p, "chunked", 7 ) )
1401 p_sys->b_chunked = true;
1404 else if( !strcasecmp( psz, "Icy-MetaInt" ) )
1406 msg_Dbg( p_access, "Icy-MetaInt: %s", p );
1407 p_sys->i_icy_meta = atoi( p );
1408 if( p_sys->i_icy_meta < 0 )
1409 p_sys->i_icy_meta = 0;
1411 msg_Warn( p_access, "ICY metaint=%d", p_sys->i_icy_meta );
1413 else if( !strcasecmp( psz, "Icy-Name" ) )
1415 free( p_sys->psz_icy_name );
1416 p_sys->psz_icy_name = strdup( p );
1417 msg_Dbg( p_access, "Icy-Name: %s", p_sys->psz_icy_name );
1419 p_sys->b_icecast = true; /* be on the safeside. set it here as well. */
1420 p_sys->b_reconnect = true;
1421 p_sys->b_pace_control = false;
1423 else if( !strcasecmp( psz, "Icy-Genre" ) )
1425 free( p_sys->psz_icy_genre );
1426 p_sys->psz_icy_genre = strdup( p );
1427 msg_Dbg( p_access, "Icy-Genre: %s", p_sys->psz_icy_genre );
1429 else if( !strncasecmp( psz, "Icy-Notice", 10 ) )
1431 msg_Dbg( p_access, "Icy-Notice: %s", p );
1433 else if( !strncasecmp( psz, "icy-", 4 ) ||
1434 !strncasecmp( psz, "ice-", 4 ) ||
1435 !strncasecmp( psz, "x-audiocast", 11 ) )
1437 msg_Dbg( p_access, "Meta-Info: %s: %s", psz, p );
1439 else if( !strcasecmp( psz, "Set-Cookie" ) )
1441 if( p_sys->cookies )
1443 msg_Dbg( p_access, "Accepting Cookie: %s", p );
1444 cookie_append( p_sys->cookies, strdup(p) );
1447 msg_Dbg( p_access, "We have a Cookie we won't remember: %s", p );
1449 else if( !strcasecmp( psz, "www-authenticate" ) )
1451 msg_Dbg( p_access, "Authentication header: %s", p );
1452 AuthParseHeader( p_access, p, &p_sys->auth );
1454 else if( !strcasecmp( psz, "proxy-authenticate" ) )
1456 msg_Dbg( p_access, "Proxy authentication header: %s", p );
1457 AuthParseHeader( p_access, p, &p_sys->proxy_auth );
1459 else if( !strcasecmp( psz, "authentication-info" ) )
1461 msg_Dbg( p_access, "Authentication Info header: %s", p );
1462 if( AuthCheckReply( p_access, p, &p_sys->url, &p_sys->auth ) )
1465 else if( !strcasecmp( psz, "proxy-authentication-info" ) )
1467 msg_Dbg( p_access, "Proxy Authentication Info header: %s", p );
1468 if( AuthCheckReply( p_access, p, &p_sys->proxy, &p_sys->proxy_auth ) )
1474 /* We close the stream for zero length data, unless of course the
1475 * server has already promised to do this for us.
1477 if( p_access->info.i_size != -1 && p_sys->i_remaining == 0 && p_sys->b_persist ) {
1478 Disconnect( p_access );
1483 Disconnect( p_access );
1484 return VLC_EGENERIC;
1487 /*****************************************************************************
1489 *****************************************************************************/
1490 static void Disconnect( access_t *p_access )
1492 access_sys_t *p_sys = p_access->p_sys;
1494 if( p_sys->p_tls != NULL)
1496 tls_ClientDelete( p_sys->p_tls );
1497 p_sys->p_tls = NULL;
1500 if( p_sys->fd != -1)
1502 net_Close(p_sys->fd);
1508 /*****************************************************************************
1509 * Cookies (FIXME: we may want to rewrite that using a nice structure to hold
1510 * them) (FIXME: only support the "domain=" param)
1511 *****************************************************************************/
1513 /* Get the NAME=VALUE part of the Cookie */
1514 static char * cookie_get_content( const char * cookie )
1516 char * ret = strdup( cookie );
1517 if( !ret ) return NULL;
1519 /* Look for a ';' */
1520 while( *str && *str != ';' ) str++;
1521 /* Replace it by a end-char */
1522 if( *str == ';' ) *str = 0;
1526 /* Get the domain where the cookie is stored */
1527 static char * cookie_get_domain( const char * cookie )
1529 const char * str = cookie;
1530 static const char domain[] = "domain=";
1533 /* Look for a ';' */
1536 if( !strncmp( str, domain, sizeof(domain) - 1 /* minus \0 */ ) )
1538 str += sizeof(domain) - 1 /* minus \0 */;
1539 char * ret = strdup( str );
1540 /* Now remove the next ';' if present */
1541 char * ret_iter = ret;
1542 while( *ret_iter && *ret_iter != ';' ) ret_iter++;
1543 if( *ret_iter == ';' )
1547 /* Go to next ';' field */
1548 while( *str && *str != ';' ) str++;
1549 if( *str == ';' ) str++;
1551 while( *str && *str == ' ' ) str++;
1556 /* Get NAME in the NAME=VALUE field */
1557 static char * cookie_get_name( const char * cookie )
1559 char * ret = cookie_get_content( cookie ); /* NAME=VALUE */
1560 if( !ret ) return NULL;
1562 while( *str && *str != '=' ) str++;
1567 /* Add a cookie in cookies, checking to see how it should be added */
1568 static void cookie_append( vlc_array_t * cookies, char * cookie )
1575 char * cookie_name = cookie_get_name( cookie );
1577 /* Don't send invalid cookies */
1581 char * cookie_domain = cookie_get_domain( cookie );
1582 for( i = 0; i < vlc_array_count( cookies ); i++ )
1584 char * current_cookie = vlc_array_item_at_index( cookies, i );
1585 char * current_cookie_name = cookie_get_name( current_cookie );
1586 char * current_cookie_domain = cookie_get_domain( current_cookie );
1588 assert( current_cookie_name );
1590 bool is_domain_matching = ( cookie_domain && current_cookie_domain &&
1591 !strcmp( cookie_domain, current_cookie_domain ) );
1593 if( is_domain_matching && !strcmp( cookie_name, current_cookie_name ) )
1595 /* Remove previous value for this cookie */
1596 free( current_cookie );
1597 vlc_array_remove( cookies, i );
1600 free( current_cookie_name );
1601 free( current_cookie_domain );
1604 free( current_cookie_name );
1605 free( current_cookie_domain );
1607 free( cookie_name );
1608 free( cookie_domain );
1609 vlc_array_append( cookies, cookie );
1612 /*****************************************************************************
1613 * "RFC 2617: Basic and Digest Access Authentication" header parsing
1614 *****************************************************************************/
1615 static char *AuthGetParam( const char *psz_header, const char *psz_param )
1617 char psz_what[strlen(psz_param)+3];
1618 sprintf( psz_what, "%s=\"", psz_param );
1619 psz_header = strstr( psz_header, psz_what );
1622 const char *psz_end;
1623 psz_header += strlen( psz_what );
1624 psz_end = strchr( psz_header, '"' );
1625 if( !psz_end ) /* Invalid since we should have a closing quote */
1626 return strdup( psz_header );
1627 return strndup( psz_header, psz_end - psz_header );
1635 static char *AuthGetParamNoQuotes( const char *psz_header, const char *psz_param )
1637 char psz_what[strlen(psz_param)+2];
1638 sprintf( psz_what, "%s=", psz_param );
1639 psz_header = strstr( psz_header, psz_what );
1642 const char *psz_end;
1643 psz_header += strlen( psz_what );
1644 psz_end = strchr( psz_header, ',' );
1645 /* XXX: Do we need to filter out trailing space between the value and
1646 * the comma/end of line? */
1647 if( !psz_end ) /* Can be valid if this is the last parameter */
1648 return strdup( psz_header );
1649 return strndup( psz_header, psz_end - psz_header );
1657 static void AuthParseHeader( access_t *p_access, const char *psz_header,
1658 http_auth_t *p_auth )
1660 /* FIXME: multiple auth methods can be listed (comma seperated) */
1662 /* 2 Basic Authentication Scheme */
1663 if( !strncasecmp( psz_header, "Basic ", strlen( "Basic " ) ) )
1665 msg_Dbg( p_access, "Using Basic Authentication" );
1666 psz_header += strlen( "Basic " );
1667 p_auth->psz_realm = AuthGetParam( psz_header, "realm" );
1668 if( !p_auth->psz_realm )
1669 msg_Warn( p_access, "Basic Authentication: "
1670 "Mandatory 'realm' parameter is missing" );
1672 /* 3 Digest Access Authentication Scheme */
1673 else if( !strncasecmp( psz_header, "Digest ", strlen( "Digest " ) ) )
1675 msg_Dbg( p_access, "Using Digest Access Authentication" );
1676 if( p_auth->psz_nonce ) return; /* FIXME */
1677 psz_header += strlen( "Digest " );
1678 p_auth->psz_realm = AuthGetParam( psz_header, "realm" );
1679 p_auth->psz_domain = AuthGetParam( psz_header, "domain" );
1680 p_auth->psz_nonce = AuthGetParam( psz_header, "nonce" );
1681 p_auth->psz_opaque = AuthGetParam( psz_header, "opaque" );
1682 p_auth->psz_stale = AuthGetParamNoQuotes( psz_header, "stale" );
1683 p_auth->psz_algorithm = AuthGetParamNoQuotes( psz_header, "algorithm" );
1684 p_auth->psz_qop = AuthGetParam( psz_header, "qop" );
1685 p_auth->i_nonce = 0;
1686 /* printf("realm: |%s|\ndomain: |%s|\nnonce: |%s|\nopaque: |%s|\n"
1687 "stale: |%s|\nalgorithm: |%s|\nqop: |%s|\n",
1688 p_auth->psz_realm,p_auth->psz_domain,p_auth->psz_nonce,
1689 p_auth->psz_opaque,p_auth->psz_stale,p_auth->psz_algorithm,
1690 p_auth->psz_qop); */
1691 if( !p_auth->psz_realm )
1692 msg_Warn( p_access, "Digest Access Authentication: "
1693 "Mandatory 'realm' parameter is missing" );
1694 if( !p_auth->psz_nonce )
1695 msg_Warn( p_access, "Digest Access Authentication: "
1696 "Mandatory 'nonce' parameter is missing" );
1697 if( p_auth->psz_qop ) /* FIXME: parse the qop list */
1699 char *psz_tmp = strchr( p_auth->psz_qop, ',' );
1700 if( psz_tmp ) *psz_tmp = '\0';
1705 const char *psz_end = strchr( psz_header, ' ' );
1707 msg_Warn( p_access, "Unknown authentication scheme: '%*s'",
1708 psz_end - psz_header, psz_header );
1710 msg_Warn( p_access, "Unknown authentication scheme: '%s'",
1715 static char *AuthDigest( access_t *p_access, vlc_url_t *p_url,
1716 http_auth_t *p_auth, const char *psz_method )
1719 const char *psz_username = p_url->psz_username ?: "";
1720 const char *psz_password = p_url->psz_password ?: "";
1722 char *psz_HA1 = NULL;
1723 char *psz_HA2 = NULL;
1724 char *psz_response = NULL;
1728 if( p_auth->psz_HA1 )
1730 psz_HA1 = strdup( p_auth->psz_HA1 );
1731 if( !psz_HA1 ) goto error;
1736 AddMD5( &md5, psz_username, strlen( psz_username ) );
1737 AddMD5( &md5, ":", 1 );
1738 AddMD5( &md5, p_auth->psz_realm, strlen( p_auth->psz_realm ) );
1739 AddMD5( &md5, ":", 1 );
1740 AddMD5( &md5, psz_password, strlen( psz_password ) );
1743 psz_HA1 = psz_md5_hash( &md5 );
1744 if( !psz_HA1 ) goto error;
1746 if( p_auth->psz_algorithm
1747 && !strcmp( p_auth->psz_algorithm, "MD5-sess" ) )
1750 AddMD5( &md5, psz_HA1, 32 );
1752 AddMD5( &md5, ":", 1 );
1753 AddMD5( &md5, p_auth->psz_nonce, strlen( p_auth->psz_nonce ) );
1754 AddMD5( &md5, ":", 1 );
1755 AddMD5( &md5, p_auth->psz_cnonce, strlen( p_auth->psz_cnonce ) );
1758 psz_HA1 = psz_md5_hash( &md5 );
1759 if( !psz_HA1 ) goto error;
1760 p_auth->psz_HA1 = strdup( psz_HA1 );
1761 if( !p_auth->psz_HA1 ) goto error;
1768 AddMD5( &md5, psz_method, strlen( psz_method ) );
1769 AddMD5( &md5, ":", 1 );
1770 if( p_url->psz_path )
1771 AddMD5( &md5, p_url->psz_path, strlen( p_url->psz_path ) );
1773 AddMD5( &md5, "/", 1 );
1774 if( p_auth->psz_qop && !strcmp( p_auth->psz_qop, "auth-int" ) )
1779 AddMD5( &ent, "", 0 ); /* XXX: entity-body. should be ok for GET */
1781 psz_ent = psz_md5_hash( &ent );
1782 if( !psz_ent ) goto error;
1783 AddMD5( &md5, ":", 1 );
1784 AddMD5( &md5, psz_ent, 32 );
1788 psz_HA2 = psz_md5_hash( &md5 );
1789 if( !psz_HA2 ) goto error;
1791 /* Request digest */
1793 AddMD5( &md5, psz_HA1, 32 );
1794 AddMD5( &md5, ":", 1 );
1795 AddMD5( &md5, p_auth->psz_nonce, strlen( p_auth->psz_nonce ) );
1796 AddMD5( &md5, ":", 1 );
1798 && ( !strcmp( p_auth->psz_qop, "auth" )
1799 || !strcmp( p_auth->psz_qop, "auth-int" ) ) )
1802 snprintf( psz_inonce, 9, "%08x", p_auth->i_nonce );
1803 AddMD5( &md5, psz_inonce, 8 );
1804 AddMD5( &md5, ":", 1 );
1805 AddMD5( &md5, p_auth->psz_cnonce, strlen( p_auth->psz_cnonce ) );
1806 AddMD5( &md5, ":", 1 );
1807 AddMD5( &md5, p_auth->psz_qop, strlen( p_auth->psz_qop ) );
1808 AddMD5( &md5, ":", 1 );
1810 AddMD5( &md5, psz_HA2, 32 );
1812 psz_response = psz_md5_hash( &md5 );
1817 return psz_response;
1821 static void AuthReply( access_t *p_access, const char *psz_prefix,
1822 vlc_url_t *p_url, http_auth_t *p_auth )
1824 access_sys_t *p_sys = p_access->p_sys;
1825 v_socket_t *pvs = p_sys->p_vs;
1827 const char *psz_username = p_url->psz_username ?: "";
1828 const char *psz_password = p_url->psz_password ?: "";
1830 if( p_auth->psz_nonce )
1832 /* Digest Access Authentication */
1835 if( p_auth->psz_algorithm
1836 && strcmp( p_auth->psz_algorithm, "MD5" )
1837 && strcmp( p_auth->psz_algorithm, "MD5-sess" ) )
1839 msg_Err( p_access, "Digest Access Authentication: "
1840 "Unknown algorithm '%s'", p_auth->psz_algorithm );
1844 if( p_auth->psz_qop || !p_auth->psz_cnonce )
1846 /* FIXME: needs to be really random to prevent man in the middle
1848 free( p_auth->psz_cnonce );
1849 p_auth->psz_cnonce = strdup( "Some random string FIXME" );
1853 psz_response = AuthDigest( p_access, p_url, p_auth, "GET" );
1854 if( !psz_response ) return;
1856 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs,
1857 "%sAuthorization: Digest "
1858 /* Mandatory parameters */
1864 /* Optional parameters */
1865 "%s%s%s" /* algorithm */
1866 "%s%s%s" /* cnonce */
1867 "%s%s%s" /* opaque */
1868 "%s%s%s" /* message qop */
1869 "%s%08x%s" /* nonce count */
1871 /* Mandatory parameters */
1876 p_url->psz_path ?: "/",
1878 /* Optional parameters */
1879 p_auth->psz_algorithm ? "algorithm=\"" : "",
1880 p_auth->psz_algorithm ?: "",
1881 p_auth->psz_algorithm ? "\", " : "",
1882 p_auth->psz_cnonce ? "cnonce=\"" : "",
1883 p_auth->psz_cnonce ?: "",
1884 p_auth->psz_cnonce ? "\", " : "",
1885 p_auth->psz_opaque ? "opaque=\"" : "",
1886 p_auth->psz_opaque ?: "",
1887 p_auth->psz_opaque ? "\", " : "",
1888 p_auth->psz_qop ? "qop=\"" : "",
1889 p_auth->psz_qop ?: "",
1890 p_auth->psz_qop ? "\", " : "",
1891 p_auth->i_nonce ? "nc=\"" : "uglyhack=\"", /* Will be parsed as an unhandled extension */
1893 p_auth->i_nonce ? "\"" : "\""
1896 free( psz_response );
1900 /* Basic Access Authentication */
1901 char buf[strlen( psz_username ) + strlen( psz_password ) + 2];
1904 snprintf( buf, sizeof( buf ), "%s:%s", psz_username, psz_password );
1905 b64 = vlc_b64_encode( buf );
1909 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs,
1910 "%sAuthorization: Basic %s\r\n", psz_prefix, b64 );
1916 static int AuthCheckReply( access_t *p_access, const char *psz_header,
1917 vlc_url_t *p_url, http_auth_t *p_auth )
1919 int i_ret = VLC_EGENERIC;
1920 char *psz_nextnonce = AuthGetParam( psz_header, "nextnonce" );
1921 char *psz_qop = AuthGetParamNoQuotes( psz_header, "qop" );
1922 char *psz_rspauth = AuthGetParam( psz_header, "rspauth" );
1923 char *psz_cnonce = AuthGetParam( psz_header, "cnonce" );
1924 char *psz_nc = AuthGetParamNoQuotes( psz_header, "nc" );
1930 if( strcmp( psz_cnonce, p_auth->psz_cnonce ) )
1932 msg_Err( p_access, "HTTP Digest Access Authentication: server replied with a different client nonce value." );
1939 i_nonce = strtol( psz_nc, NULL, 16 );
1940 if( i_nonce != p_auth->i_nonce )
1942 msg_Err( p_access, "HTTP Digest Access Authentication: server replied with a different nonce count value." );
1947 if( psz_qop && p_auth->psz_qop && strcmp( psz_qop, p_auth->psz_qop ) )
1948 msg_Warn( p_access, "HTTP Digest Access Authentication: server replied using a different 'quality of protection' option" );
1950 /* All the clear text values match, let's now check the response
1952 psz_digest = AuthDigest( p_access, p_url, p_auth, "" );
1953 if( strcmp( psz_digest, psz_rspauth ) )
1955 msg_Err( p_access, "HTTP Digest Access Authentication: server replied with an invalid response digest (expected value: %s).", psz_digest );
1964 free( p_auth->psz_nonce );
1965 p_auth->psz_nonce = psz_nextnonce;
1966 psz_nextnonce = NULL;
1969 i_ret = VLC_SUCCESS;
1971 free( psz_nextnonce );
1973 free( psz_rspauth );
1980 static void AuthReset( http_auth_t *p_auth )
1982 FREENULL( p_auth->psz_realm );
1983 FREENULL( p_auth->psz_domain );
1984 FREENULL( p_auth->psz_nonce );
1985 FREENULL( p_auth->psz_opaque );
1986 FREENULL( p_auth->psz_stale );
1987 FREENULL( p_auth->psz_algorithm );
1988 FREENULL( p_auth->psz_qop );
1989 p_auth->i_nonce = 0;
1990 FREENULL( p_auth->psz_cnonce );
1991 FREENULL( p_auth->psz_HA1 );