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 *****************************************************************************/
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>
53 /*****************************************************************************
55 *****************************************************************************/
56 static int Open ( vlc_object_t * );
57 static void Close( vlc_object_t * );
59 #define PROXY_TEXT N_("HTTP proxy")
60 #define PROXY_LONGTEXT N_( \
61 "HTTP proxy to be used It must be of the form " \
62 "http://[user[:pass]@]myproxy.mydomain:myport/ ; " \
63 "if empty, the http_proxy environment variable will be tried." )
65 #define CACHING_TEXT N_("Caching value in ms")
66 #define CACHING_LONGTEXT N_( \
67 "Caching value for HTTP streams. This " \
68 "value should be set in milliseconds." )
70 #define AGENT_TEXT N_("HTTP user agent")
71 #define AGENT_LONGTEXT N_("User agent that will be " \
72 "used for the connection.")
74 #define RECONNECT_TEXT N_("Auto re-connect")
75 #define RECONNECT_LONGTEXT N_( \
76 "Automatically try to reconnect to the stream in case of a sudden " \
79 #define CONTINUOUS_TEXT N_("Continuous stream")
80 #define CONTINUOUS_LONGTEXT N_("Read a file that is " \
81 "being constantly updated (for example, a JPG file on a server). " \
82 "You should not globally enable this option as it will break all other " \
83 "types of HTTP streams." )
85 #define FORWARD_COOKIES_TEXT N_("Forward Cookies")
86 #define FORWARD_COOKIES_LONGTEXT N_("Forward Cookies Across http redirections ")
89 set_description( _("HTTP input") );
90 set_capability( "access", 0 );
91 set_shortname( _( "HTTP(S)" ) );
92 set_category( CAT_INPUT );
93 set_subcategory( SUBCAT_INPUT_ACCESS );
95 add_string( "http-proxy", NULL, NULL, PROXY_TEXT, PROXY_LONGTEXT,
97 add_integer( "http-caching", 4 * DEFAULT_PTS_DELAY / 1000, NULL,
98 CACHING_TEXT, CACHING_LONGTEXT, true );
99 add_string( "http-user-agent", COPYRIGHT_MESSAGE , NULL, AGENT_TEXT,
100 AGENT_LONGTEXT, true );
101 add_bool( "http-reconnect", 0, NULL, RECONNECT_TEXT,
102 RECONNECT_LONGTEXT, true );
103 add_bool( "http-continuous", 0, NULL, CONTINUOUS_TEXT,
104 CONTINUOUS_LONGTEXT, true );
105 add_bool( "http-forward-cookies", 0, NULL, FORWARD_COOKIES_TEXT,
106 FORWARD_COOKIES_LONGTEXT, true );
107 add_obsolete_string("http-user");
108 add_obsolete_string("http-pwd");
109 add_shortcut( "http" );
110 add_shortcut( "https" );
111 add_shortcut( "unsv" );
112 add_shortcut( "itpc" ); /* iTunes Podcast */
113 set_callbacks( Open, Close );
116 /*****************************************************************************
118 *****************************************************************************/
120 /* RFC 2617: Basic and Digest Access Authentication */
121 typedef struct http_auth_t
132 char *psz_HA1; /* stored H(A1) value if algorithm = "MD5-sess" */
138 tls_session_t *p_tls;
143 char *psz_user_agent;
149 http_auth_t proxy_auth;
153 const char *psz_protocol;
186 vlc_array_t * cookies;
190 static int OpenWithCookies( vlc_object_t *p_this, vlc_array_t *cookies );
193 static ssize_t Read( access_t *, uint8_t *, size_t );
194 static ssize_t ReadCompressed( access_t *, uint8_t *, size_t );
195 static int Seek( access_t *, int64_t );
196 static int Control( access_t *, int, va_list );
199 static int Connect( access_t *, int64_t );
200 static int Request( access_t *p_access, int64_t i_tell );
201 static void Disconnect( access_t * );
203 /* Small Cookie utilities. Cookies support is partial. */
204 static char * cookie_get_content( const char * cookie );
205 static char * cookie_get_domain( const char * cookie );
206 static char * cookie_get_name( const char * cookie );
207 static void cookie_append( vlc_array_t * cookies, char * cookie );
210 static void AuthParseHeader( access_t *p_access, const char *psz_header,
211 http_auth_t *p_auth );
212 static void AuthReply( access_t *p_acces, const char *psz_prefix,
213 vlc_url_t *p_url, http_auth_t *p_auth );
214 static int AuthCheckReply( access_t *p_access, const char *psz_header,
215 vlc_url_t *p_url, http_auth_t *p_auth );
216 static void AuthReset( http_auth_t *p_auth );
218 /*****************************************************************************
220 *****************************************************************************/
221 static int Open( vlc_object_t *p_this )
223 return OpenWithCookies( p_this, NULL );
226 static int OpenWithCookies( vlc_object_t *p_this, vlc_array_t *cookies )
228 access_t *p_access = (access_t*)p_this;
231 /* Only forward an store cookies if the corresponding option is activated */
232 bool b_forward_cookies = var_CreateGetBool( p_access, "http-forward-cookies" );
233 vlc_array_t * saved_cookies = b_forward_cookies ? (cookies ?: vlc_array_new()) : NULL;
235 /* Set up p_access */
236 STANDARD_READ_ACCESS_INIT;
238 p_access->pf_read = ReadCompressed;
241 p_sys->b_proxy = false;
242 p_sys->i_version = 1;
243 p_sys->b_seekable = true;
244 p_sys->psz_mime = NULL;
245 p_sys->psz_pragma = NULL;
246 p_sys->b_mms = false;
247 p_sys->b_icecast = false;
248 p_sys->psz_location = NULL;
249 p_sys->psz_user_agent = NULL;
250 p_sys->b_pace_control = true;
251 p_sys->b_ssl = false;
253 p_sys->b_compressed = false;
254 /* 15 is the max windowBits, +32 to enable optional gzip decoding */
255 if( inflateInit2( &p_sys->inflate.stream, 32+15 ) != Z_OK )
256 msg_Warn( p_access, "Error during zlib initialisation: %s",
257 p_sys->inflate.stream.msg );
258 if( zlibCompileFlags() & (1<<17) )
259 msg_Warn( p_access, "Your zlib was compiled without gzip support." );
260 p_sys->inflate.p_buffer = NULL;
264 p_sys->i_icy_meta = 0;
265 p_sys->psz_icy_name = NULL;
266 p_sys->psz_icy_genre = NULL;
267 p_sys->psz_icy_title = NULL;
268 p_sys->i_remaining = 0;
270 p_sys->cookies = saved_cookies;
272 /* Parse URI - remove spaces */
273 p = psz = strdup( p_access->psz_path );
274 while( (p = strchr( p, ' ' )) != NULL )
276 vlc_UrlParse( &p_sys->url, psz, 0 );
279 if( p_sys->url.psz_host == NULL || *p_sys->url.psz_host == '\0' )
281 msg_Warn( p_access, "invalid host" );
284 if( !strncmp( p_access->psz_access, "https", 5 ) )
288 if( p_sys->url.i_port <= 0 )
289 p_sys->url.i_port = 443;
293 if( p_sys->url.i_port <= 0 )
294 p_sys->url.i_port = 80;
298 p_sys->psz_user_agent = var_CreateGetString( p_access, "http-user-agent" );
301 psz = var_CreateGetString( p_access, "http-proxy" );
304 p_sys->b_proxy = true;
305 vlc_UrlParse( &p_sys->proxy, psz, 0 );
310 char *psz_proxy = getenv( "http_proxy" );
311 if( psz_proxy && *psz_proxy )
313 p_sys->b_proxy = true;
314 vlc_UrlParse( &p_sys->proxy, psz_proxy, 0 );
322 if( p_sys->proxy.psz_host == NULL || *p_sys->proxy.psz_host == '\0' )
324 msg_Warn( p_access, "invalid proxy host" );
327 if( p_sys->proxy.i_port <= 0 )
329 p_sys->proxy.i_port = 80;
333 msg_Dbg( p_access, "http: server='%s' port=%d file='%s",
334 p_sys->url.psz_host, p_sys->url.i_port, p_sys->url.psz_path );
337 msg_Dbg( p_access, " proxy %s:%d", p_sys->proxy.psz_host,
338 p_sys->proxy.i_port );
340 if( p_sys->url.psz_username && *p_sys->url.psz_username )
342 msg_Dbg( p_access, " user='%s', pwd='%s'",
343 p_sys->url.psz_username, p_sys->url.psz_password );
346 p_sys->b_reconnect = var_CreateGetBool( p_access, "http-reconnect" );
347 p_sys->b_continuous = var_CreateGetBool( p_access, "http-continuous" );
351 switch( Connect( p_access, 0 ) )
357 /* Retry with http 1.0 */
358 msg_Dbg( p_access, "switching to HTTP version 1.0" );
359 p_sys->i_version = 0;
360 p_sys->b_seekable = false;
362 if( p_access->b_die || Connect( p_access, 0 ) )
370 msg_Err( p_access, "You should not be here" );
375 if( p_sys->i_code == 401 )
377 char *psz_login = NULL; char *psz_password = NULL;
381 if( p_sys->url.psz_username && p_sys->url.psz_password &&
382 p_sys->auth.psz_nonce && p_sys->auth.i_nonce == 0 )
386 snprintf( psz_msg, 250,
387 _("Please enter a valid login name and a password for realm %s."),
388 p_sys->auth.psz_realm );
389 msg_Dbg( p_access, "authentication failed for realm %s",
390 p_sys->auth.psz_realm );
391 i_ret = intf_UserLoginPassword( p_access, _("HTTP authentication"),
392 psz_msg, &psz_login, &psz_password );
393 if( i_ret == DIALOG_OK_YES )
395 msg_Dbg( p_access, "retrying with user=%s, pwd=%s",
396 psz_login, psz_password );
397 if( psz_login ) p_sys->url.psz_username = strdup( psz_login );
398 if( psz_password ) p_sys->url.psz_password = strdup( psz_password );
400 free( psz_password );
406 free( psz_password );
411 if( ( p_sys->i_code == 301 || p_sys->i_code == 302 ||
412 p_sys->i_code == 303 || p_sys->i_code == 307 ) &&
413 p_sys->psz_location && *p_sys->psz_location )
415 msg_Dbg( p_access, "redirection to %s", p_sys->psz_location );
417 /* Do not accept redirection outside of HTTP works */
418 if( strncmp( p_sys->psz_location, "http", 4 )
419 || ( ( p_sys->psz_location[4] != ':' ) /* HTTP */
420 && strncmp( p_sys->psz_location + 4, "s:", 2 ) /* HTTP/SSL */ ) )
422 msg_Err( p_access, "insecure redirection ignored" );
425 free( p_access->psz_path );
426 p_access->psz_path = strdup( p_sys->psz_location );
427 /* Clean up current Open() run */
428 vlc_UrlClean( &p_sys->url );
429 AuthReset( &p_sys->auth );
430 vlc_UrlClean( &p_sys->proxy );
431 AuthReset( &p_sys->proxy_auth );
432 free( p_sys->psz_mime );
433 free( p_sys->psz_pragma );
434 free( p_sys->psz_location );
435 free( p_sys->psz_user_agent );
437 Disconnect( p_access );
438 cookies = p_sys->cookies;
441 /* Do new Open() run with new data */
442 return OpenWithCookies( p_this, cookies );
447 msg_Dbg( p_access, "this is actually a live mms server, BAIL" );
451 if( !strcmp( p_sys->psz_protocol, "ICY" ) || p_sys->b_icecast )
453 if( p_sys->psz_mime && strcasecmp( p_sys->psz_mime, "application/ogg" ) )
455 if( !strcasecmp( p_sys->psz_mime, "video/nsv" ) ||
456 !strcasecmp( p_sys->psz_mime, "video/nsa" ) )
457 p_access->psz_demux = strdup( "nsv" );
458 else if( !strcasecmp( p_sys->psz_mime, "audio/aac" ) ||
459 !strcasecmp( p_sys->psz_mime, "audio/aacp" ) )
460 p_access->psz_demux = strdup( "m4a" );
461 else if( !strcasecmp( p_sys->psz_mime, "audio/mpeg" ) )
462 p_access->psz_demux = strdup( "mp3" );
464 msg_Info( p_access, "Raw-audio server found, %s demuxer selected",
465 p_access->psz_demux );
467 #if 0 /* Doesn't work really well because of the pre-buffering in
468 * shoutcast servers (the buffer content will be sent as fast as
470 p_sys->b_pace_control = false;
473 else if( !p_sys->psz_mime )
476 p_access->psz_demux = strdup( "mp3" );
478 /* else probably Ogg Vorbis */
480 else if( !strcasecmp( p_access->psz_access, "unsv" ) &&
482 !strcasecmp( p_sys->psz_mime, "misc/ultravox" ) )
484 /* Grrrr! detect ultravox server and force NSV demuxer */
485 p_access->psz_demux = strdup( "nsv" );
487 else if( !strcmp( p_access->psz_access, "itpc" ) )
489 p_access->psz_demux = strdup( "podcast" );
491 else if( p_sys->psz_mime &&
492 !strncasecmp( p_sys->psz_mime, "application/xspf+xml", 20 ) &&
493 ( memchr( " ;\t", p_sys->psz_mime[20], 4 ) != NULL ) )
494 p_access->psz_demux = strdup( "xspf-open" );
496 if( p_sys->b_reconnect ) msg_Dbg( p_access, "auto re-connect enabled" );
499 var_Create( p_access, "http-caching", VLC_VAR_INTEGER |VLC_VAR_DOINHERIT );
504 vlc_UrlClean( &p_sys->url );
505 vlc_UrlClean( &p_sys->proxy );
506 free( p_sys->psz_mime );
507 free( p_sys->psz_pragma );
508 free( p_sys->psz_location );
509 free( p_sys->psz_user_agent );
511 Disconnect( p_access );
516 /*****************************************************************************
518 *****************************************************************************/
519 static void Close( vlc_object_t *p_this )
521 access_t *p_access = (access_t*)p_this;
522 access_sys_t *p_sys = p_access->p_sys;
524 vlc_UrlClean( &p_sys->url );
525 AuthReset( &p_sys->auth );
526 vlc_UrlClean( &p_sys->proxy );
527 AuthReset( &p_sys->proxy_auth );
529 free( p_sys->psz_mime );
530 free( p_sys->psz_pragma );
531 free( p_sys->psz_location );
533 free( p_sys->psz_icy_name );
534 free( p_sys->psz_icy_genre );
535 free( p_sys->psz_icy_title );
537 free( p_sys->psz_user_agent );
539 Disconnect( p_access );
544 for( i = 0; i < vlc_array_count( p_sys->cookies ); i++ )
545 free(vlc_array_item_at_index( p_sys->cookies, i ));
546 vlc_array_destroy( p_sys->cookies );
550 inflateEnd( &p_sys->inflate.stream );
551 free( p_sys->inflate.p_buffer );
557 /*****************************************************************************
558 * Read: Read up to i_len bytes from the http connection and place in
559 * p_buffer. Return the actual number of bytes read
560 *****************************************************************************/
561 static int ReadICYMeta( access_t *p_access );
562 static ssize_t Read( access_t *p_access, uint8_t *p_buffer, size_t i_len )
564 access_sys_t *p_sys = p_access->p_sys;
569 p_access->info.b_eof = true;
573 if( p_access->info.i_size > 0 &&
574 i_len + p_access->info.i_pos > p_access->info.i_size )
576 if( ( i_len = p_access->info.i_size - p_access->info.i_pos ) == 0 )
578 p_access->info.b_eof = true;
583 if( p_sys->b_chunked )
585 if( p_sys->i_chunk < 0 )
587 p_access->info.b_eof = true;
591 if( p_sys->i_chunk <= 0 )
593 char *psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, p_sys->p_vs );
594 /* read the chunk header */
597 /* fatal error - end of file */
598 msg_Dbg( p_access, "failed reading chunk-header line" );
601 p_sys->i_chunk = strtoll( psz, NULL, 16 );
604 if( p_sys->i_chunk <= 0 ) /* eof */
607 p_access->info.b_eof = true;
612 if( i_len > p_sys->i_chunk )
614 i_len = p_sys->i_chunk;
618 if( p_sys->b_continuous && (ssize_t)i_len > p_sys->i_remaining )
620 /* Only ask for the remaining length */
621 int i_new_len = p_sys->i_remaining;
624 Request( p_access, 0 );
625 i_read = Read( p_access, p_buffer, i_len );
631 if( p_sys->i_icy_meta > 0 && p_access->info.i_pos > 0 )
633 int64_t i_next = p_sys->i_icy_meta -
634 p_access->info.i_pos % p_sys->i_icy_meta;
636 if( i_next == p_sys->i_icy_meta )
638 if( ReadICYMeta( p_access ) )
640 p_access->info.b_eof = true;
648 i_read = net_Read( p_access, p_sys->fd, p_sys->p_vs, p_buffer, i_len, false );
652 p_access->info.i_pos += i_read;
654 if( p_sys->b_chunked )
656 p_sys->i_chunk -= i_read;
657 if( p_sys->i_chunk <= 0 )
659 /* read the empty line */
660 char *psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, p_sys->p_vs );
665 else if( i_read == 0 )
668 * I very much doubt that this will work.
669 * If i_read == 0, the connection *IS* dead, so the only
670 * sensible thing to do is Disconnect() and then retry.
671 * Otherwise, I got recv() completely wrong. -- Courmisch
673 if( p_sys->b_continuous )
675 Request( p_access, 0 );
676 p_sys->b_continuous = false;
677 i_read = Read( p_access, p_buffer, i_len );
678 p_sys->b_continuous = true;
680 Disconnect( p_access );
681 if( p_sys->b_reconnect )
683 msg_Dbg( p_access, "got disconnected, trying to reconnect" );
684 if( Connect( p_access, p_access->info.i_pos ) )
686 msg_Dbg( p_access, "reconnection failed" );
690 p_sys->b_reconnect = false;
691 i_read = Read( p_access, p_buffer, i_len );
692 p_sys->b_reconnect = true;
696 if( i_read == 0 ) p_access->info.b_eof = true;
699 if( p_sys->b_continuous )
701 p_sys->i_remaining -= i_read;
707 static int ReadICYMeta( access_t *p_access )
709 access_sys_t *p_sys = p_access->p_sys;
715 /* Read meta data length */
716 i_read = net_Read( p_access, p_sys->fd, p_sys->p_vs, &buffer, 1,
723 i_read = buffer << 4;
724 /* msg_Dbg( p_access, "ICY meta size=%u", i_read); */
726 psz_meta = malloc( i_read + 1 );
727 if( net_Read( p_access, p_sys->fd, p_sys->p_vs,
728 (uint8_t *)psz_meta, i_read, true ) != i_read )
731 psz_meta[i_read] = '\0'; /* Just in case */
733 /* msg_Dbg( p_access, "icy-meta=%s", psz_meta ); */
735 /* Now parse the meta */
736 /* Look for StreamTitle= */
737 p = strcasestr( (char *)psz_meta, "StreamTitle=" );
740 p += strlen( "StreamTitle=" );
741 if( *p == '\'' || *p == '"' )
743 char closing[] = { p[0], ';', '\0' };
744 char *psz = strstr( &p[1], closing );
746 psz = strchr( &p[1], ';' );
748 if( psz ) *psz = '\0';
752 char *psz = strchr( &p[1], ';' );
753 if( psz ) *psz = '\0';
756 if( !p_sys->psz_icy_title ||
757 strcmp( p_sys->psz_icy_title, &p[1] ) )
759 free( p_sys->psz_icy_title );
760 p_sys->psz_icy_title = strdup( &p[1] );
761 p_access->info.i_update |= INPUT_UPDATE_META;
763 msg_Dbg( p_access, "New Title=%s", p_sys->psz_icy_title );
772 static ssize_t ReadCompressed( access_t *p_access, uint8_t *p_buffer,
775 access_sys_t *p_sys = p_access->p_sys;
777 if( p_sys->b_compressed )
781 if( !p_sys->inflate.p_buffer )
782 p_sys->inflate.p_buffer = malloc( 256 * 1024 );
784 if( p_sys->inflate.stream.avail_in == 0 )
786 ssize_t i_read = Read( p_access, p_sys->inflate.p_buffer + p_sys->inflate.stream.avail_in, 256 * 1024 );
787 if( i_read <= 0 ) return i_read;
788 p_sys->inflate.stream.next_in = p_sys->inflate.p_buffer;
789 p_sys->inflate.stream.avail_in = i_read;
792 p_sys->inflate.stream.avail_out = i_len;
793 p_sys->inflate.stream.next_out = p_buffer;
795 i_ret = inflate( &p_sys->inflate.stream, Z_SYNC_FLUSH );
796 msg_Warn( p_access, "inflate return value: %d, %s", i_ret, p_sys->inflate.stream.msg );
798 return i_len - p_sys->inflate.stream.avail_out;
802 return Read( p_access, p_buffer, i_len );
807 /*****************************************************************************
808 * Seek: close and re-open a connection at the right place
809 *****************************************************************************/
810 static int Seek( access_t *p_access, int64_t i_pos )
812 msg_Dbg( p_access, "trying to seek to %"PRId64, i_pos );
814 Disconnect( p_access );
816 if( Connect( p_access, i_pos ) )
818 msg_Err( p_access, "seek failed" );
819 p_access->info.b_eof = true;
825 /*****************************************************************************
827 *****************************************************************************/
828 static int Control( access_t *p_access, int i_query, va_list args )
830 access_sys_t *p_sys = p_access->p_sys;
839 case ACCESS_CAN_SEEK:
840 pb_bool = (bool*)va_arg( args, bool* );
841 *pb_bool = p_sys->b_seekable;
843 case ACCESS_CAN_FASTSEEK:
844 pb_bool = (bool*)va_arg( args, bool* );
847 case ACCESS_CAN_PAUSE:
848 case ACCESS_CAN_CONTROL_PACE:
849 pb_bool = (bool*)va_arg( args, bool* );
851 #if 0 /* Disable for now until we have a clock synchro algo
852 * which works with something else than MPEG over UDP */
853 *pb_bool = p_sys->b_pace_control;
860 pi_int = (int*)va_arg( args, int * );
864 case ACCESS_GET_PTS_DELAY:
865 pi_64 = (int64_t*)va_arg( args, int64_t * );
866 *pi_64 = (int64_t)var_GetInteger( p_access, "http-caching" ) * 1000;
870 case ACCESS_SET_PAUSE_STATE:
873 case ACCESS_GET_META:
874 p_meta = (vlc_meta_t*)va_arg( args, vlc_meta_t* );
876 if( p_sys->psz_icy_name )
877 vlc_meta_Set( p_meta, vlc_meta_Title, p_sys->psz_icy_name );
878 if( p_sys->psz_icy_genre )
879 vlc_meta_Set( p_meta, vlc_meta_Genre, p_sys->psz_icy_genre );
880 if( p_sys->psz_icy_title )
881 vlc_meta_Set( p_meta, vlc_meta_NowPlaying, p_sys->psz_icy_title );
884 case ACCESS_GET_CONTENT_TYPE:
885 *va_arg( args, char ** ) =
886 p_sys->psz_mime ? strdup( p_sys->psz_mime ) : NULL;
889 case ACCESS_GET_TITLE_INFO:
890 case ACCESS_SET_TITLE:
891 case ACCESS_SET_SEEKPOINT:
892 case ACCESS_SET_PRIVATE_ID_STATE:
896 msg_Warn( p_access, "unimplemented query in control" );
903 /*****************************************************************************
905 *****************************************************************************/
906 static int Connect( access_t *p_access, int64_t i_tell )
908 access_sys_t *p_sys = p_access->p_sys;
909 vlc_url_t srv = p_sys->b_proxy ? p_sys->proxy : p_sys->url;
912 free( p_sys->psz_location );
913 free( p_sys->psz_mime );
914 free( p_sys->psz_pragma );
916 free( p_sys->psz_icy_genre );
917 free( p_sys->psz_icy_name );
918 free( p_sys->psz_icy_title );
921 p_sys->psz_location = NULL;
922 p_sys->psz_mime = NULL;
923 p_sys->psz_pragma = NULL;
924 p_sys->b_mms = false;
925 p_sys->b_chunked = false;
927 p_sys->i_icy_meta = 0;
928 p_sys->psz_icy_name = NULL;
929 p_sys->psz_icy_genre = NULL;
930 p_sys->psz_icy_title = NULL;
932 p_access->info.i_size = 0;
933 p_access->info.i_pos = i_tell;
934 p_access->info.b_eof = false;
937 /* Open connection */
938 p_sys->fd = net_ConnectTCP( p_access, srv.psz_host, srv.i_port );
939 if( p_sys->fd == -1 )
941 msg_Err( p_access, "cannot connect to %s:%d", srv.psz_host, srv.i_port );
945 /* Initialize TLS/SSL session */
946 if( p_sys->b_ssl == true )
948 /* CONNECT to establish TLS tunnel through HTTP proxy */
952 unsigned i_status = 0;
954 if( p_sys->i_version == 0 )
956 /* CONNECT is not in HTTP/1.0 */
957 Disconnect( p_access );
961 net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL,
962 "CONNECT %s:%d HTTP/1.%d\r\nHost: %s:%d\r\n\r\n",
963 p_sys->url.psz_host, p_sys->url.i_port,
965 p_sys->url.psz_host, p_sys->url.i_port);
967 psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, NULL );
970 msg_Err( p_access, "cannot establish HTTP/TLS tunnel" );
971 Disconnect( p_access );
975 sscanf( psz, "HTTP/%*u.%*u %3u", &i_status );
978 if( ( i_status / 100 ) != 2 )
980 msg_Err( p_access, "HTTP/TLS tunnel through proxy denied" );
981 Disconnect( p_access );
987 psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, NULL );
990 msg_Err( p_access, "HTTP proxy connection failed" );
991 Disconnect( p_access );
1000 if( p_access->b_die || p_access->b_error )
1002 Disconnect( p_access );
1009 /* TLS/SSL handshake */
1010 p_sys->p_tls = tls_ClientCreate( VLC_OBJECT(p_access), p_sys->fd,
1012 if( p_sys->p_tls == NULL )
1014 msg_Err( p_access, "cannot establish HTTP/TLS session" );
1015 Disconnect( p_access );
1018 p_sys->p_vs = &p_sys->p_tls->sock;
1021 return Request( p_access, i_tell ) ? -2 : 0;
1025 static int Request( access_t *p_access, int64_t i_tell )
1027 access_sys_t *p_sys = p_access->p_sys;
1029 v_socket_t *pvs = p_sys->p_vs;
1031 if( p_sys->b_proxy )
1033 if( p_sys->url.psz_path )
1035 net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL,
1036 "GET http://%s:%d%s HTTP/1.%d\r\n",
1037 p_sys->url.psz_host, p_sys->url.i_port,
1038 p_sys->url.psz_path, p_sys->i_version );
1042 net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL,
1043 "GET http://%s:%d/ HTTP/1.%d\r\n",
1044 p_sys->url.psz_host, p_sys->url.i_port,
1050 const char *psz_path = p_sys->url.psz_path;
1051 if( !psz_path || !*psz_path )
1055 if( p_sys->url.i_port != (pvs ? 443 : 80) )
1057 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs,
1058 "GET %s HTTP/1.%d\r\nHost: %s:%d\r\n",
1059 psz_path, p_sys->i_version, p_sys->url.psz_host,
1060 p_sys->url.i_port );
1064 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs,
1065 "GET %s HTTP/1.%d\r\nHost: %s\r\n",
1066 psz_path, p_sys->i_version, p_sys->url.psz_host );
1070 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs, "User-Agent: %s\r\n",
1071 p_sys->psz_user_agent );
1073 if( p_sys->i_version == 1 )
1075 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs,
1076 "Range: bytes=%"PRId64"-\r\n", i_tell );
1080 if( p_sys->cookies )
1083 for( i = 0; i < vlc_array_count( p_sys->cookies ); i++ )
1085 const char * cookie = vlc_array_item_at_index( p_sys->cookies, i );
1086 char * psz_cookie_content = cookie_get_content( cookie );
1087 char * psz_cookie_domain = cookie_get_domain( cookie );
1089 assert( psz_cookie_content );
1091 /* FIXME: This is clearly not conforming to the rfc */
1092 bool is_in_right_domain = (!psz_cookie_domain || strstr( p_sys->url.psz_host, psz_cookie_domain ));
1094 if( is_in_right_domain )
1096 msg_Dbg( p_access, "Sending Cookie %s", psz_cookie_content );
1097 if( net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs, "Cookie: %s\r\n", psz_cookie_content ) < 0 )
1098 msg_Err( p_access, "failed to send Cookie" );
1100 free( psz_cookie_content );
1101 free( psz_cookie_domain );
1105 /* Authentication */
1106 if( p_sys->url.psz_username || p_sys->url.psz_password )
1107 AuthReply( p_access, "", &p_sys->url, &p_sys->auth );
1109 /* Proxy Authentication */
1110 if( p_sys->proxy.psz_username || p_sys->proxy.psz_password )
1111 AuthReply( p_access, "Proxy-", &p_sys->proxy, &p_sys->proxy_auth );
1113 /* ICY meta data request */
1114 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs, "Icy-MetaData: 1\r\n" );
1117 if( p_sys->b_continuous )
1119 net_Printf( VLC_OBJECT( p_access ), p_sys->fd, pvs,
1120 "Connection: Keep-Alive\r\n" );
1122 else if( p_sys->i_version == 1 )
1124 net_Printf( VLC_OBJECT( p_access ), p_sys->fd, pvs,
1125 "Connection: Close\r\n");
1128 if( net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs, "\r\n" ) < 0 )
1130 msg_Err( p_access, "failed to send request" );
1131 Disconnect( p_access );
1132 return VLC_EGENERIC;
1136 if( ( psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, pvs ) ) == NULL )
1138 msg_Err( p_access, "failed to read answer" );
1141 if( !strncmp( psz, "HTTP/1.", 7 ) )
1143 p_sys->psz_protocol = "HTTP";
1144 p_sys->i_code = atoi( &psz[9] );
1146 else if( !strncmp( psz, "ICY", 3 ) )
1148 p_sys->psz_protocol = "ICY";
1149 p_sys->i_code = atoi( &psz[4] );
1150 p_sys->b_reconnect = true;
1154 msg_Err( p_access, "invalid HTTP reply '%s'", psz );
1158 msg_Dbg( p_access, "protocol '%s' answer code %d",
1159 p_sys->psz_protocol, p_sys->i_code );
1160 if( !strcmp( p_sys->psz_protocol, "ICY" ) )
1162 p_sys->b_seekable = false;
1164 if( p_sys->i_code != 206 && p_sys->i_code != 401 )
1166 p_sys->b_seekable = false;
1168 /* Authentication error - We'll have to display the dialog */
1169 if( p_sys->i_code == 401 )
1173 /* Other fatal error */
1174 else if( p_sys->i_code >= 400 )
1176 msg_Err( p_access, "error: %s", psz );
1184 char *psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, pvs );
1189 msg_Err( p_access, "failed to read answer" );
1193 if( p_access->b_die || p_access->b_error )
1199 /* msg_Dbg( p_input, "Line=%s", psz ); */
1206 if( ( p = strchr( psz, ':' ) ) == NULL )
1208 msg_Err( p_access, "malformed header line: %s", psz );
1213 while( *p == ' ' ) p++;
1215 if( !strcasecmp( psz, "Content-Length" ) )
1217 if( p_sys->b_continuous )
1219 p_access->info.i_size = -1;
1220 msg_Dbg( p_access, "this frame size=%lld", atoll(p ) );
1221 p_sys->i_remaining = atoll( p );
1225 p_access->info.i_size = i_tell + atoll( p );
1226 msg_Dbg( p_access, "stream size=%"PRId64, p_access->info.i_size );
1229 else if( !strcasecmp( psz, "Location" ) )
1233 /* This does not follow RFC 2068, but yet if the url is not absolute,
1234 * handle it as everyone does. */
1237 const char *psz_http_ext = p_sys->b_ssl ? "s" : "" ;
1239 if( p_sys->url.i_port == ( p_sys->b_ssl ? 443 : 80 ) )
1241 if( asprintf(&psz_new_loc, "http%s://%s%s", psz_http_ext,
1242 p_sys->url.psz_host, p) < 0 )
1247 if( asprintf(&psz_new_loc, "http%s://%s:%d%s", psz_http_ext,
1248 p_sys->url.psz_host, p_sys->url.i_port, p) < 0 )
1254 psz_new_loc = strdup( p );
1257 free( p_sys->psz_location );
1258 p_sys->psz_location = psz_new_loc;
1260 else if( !strcasecmp( psz, "Content-Type" ) )
1262 free( p_sys->psz_mime );
1263 p_sys->psz_mime = strdup( p );
1264 msg_Dbg( p_access, "Content-Type: %s", p_sys->psz_mime );
1266 else if( !strcasecmp( psz, "Content-Encoding" ) )
1268 msg_Dbg( p_access, "Content-Encoding: %s", p );
1269 if( strcasecmp( p, "identity" ) )
1271 p_sys->b_compressed = true;
1273 msg_Warn( p_access, "Compressed content not supported. Rebuild with zlib support." );
1276 else if( !strcasecmp( psz, "Pragma" ) )
1278 if( !strcasecmp( psz, "Pragma: features" ) )
1279 p_sys->b_mms = true;
1280 free( p_sys->psz_pragma );
1281 p_sys->psz_pragma = strdup( p );
1282 msg_Dbg( p_access, "Pragma: %s", p_sys->psz_pragma );
1284 else if( !strcasecmp( psz, "Server" ) )
1286 msg_Dbg( p_access, "Server: %s", p );
1287 if( !strncasecmp( p, "Icecast", 7 ) ||
1288 !strncasecmp( p, "Nanocaster", 10 ) )
1290 /* Remember if this is Icecast
1291 * we need to force demux in this case without breaking
1294 /* Let live 365 streams (nanocaster) piggyback on the icecast
1295 * routine. They look very similar */
1297 p_sys->b_reconnect = true;
1298 p_sys->b_pace_control = false;
1299 p_sys->b_icecast = true;
1302 else if( !strcasecmp( psz, "Transfer-Encoding" ) )
1304 msg_Dbg( p_access, "Transfer-Encoding: %s", p );
1305 if( !strncasecmp( p, "chunked", 7 ) )
1307 p_sys->b_chunked = true;
1310 else if( !strcasecmp( psz, "Icy-MetaInt" ) )
1312 msg_Dbg( p_access, "Icy-MetaInt: %s", p );
1313 p_sys->i_icy_meta = atoi( p );
1314 if( p_sys->i_icy_meta < 0 )
1315 p_sys->i_icy_meta = 0;
1317 msg_Warn( p_access, "ICY metaint=%d", p_sys->i_icy_meta );
1319 else if( !strcasecmp( psz, "Icy-Name" ) )
1321 free( p_sys->psz_icy_name );
1322 p_sys->psz_icy_name = strdup( p );
1323 msg_Dbg( p_access, "Icy-Name: %s", p_sys->psz_icy_name );
1325 p_sys->b_icecast = true; /* be on the safeside. set it here as well. */
1326 p_sys->b_reconnect = true;
1327 p_sys->b_pace_control = false;
1329 else if( !strcasecmp( psz, "Icy-Genre" ) )
1331 free( p_sys->psz_icy_genre );
1332 p_sys->psz_icy_genre = strdup( p );
1333 msg_Dbg( p_access, "Icy-Genre: %s", p_sys->psz_icy_genre );
1335 else if( !strncasecmp( psz, "Icy-Notice", 10 ) )
1337 msg_Dbg( p_access, "Icy-Notice: %s", p );
1339 else if( !strncasecmp( psz, "icy-", 4 ) ||
1340 !strncasecmp( psz, "ice-", 4 ) ||
1341 !strncasecmp( psz, "x-audiocast", 11 ) )
1343 msg_Dbg( p_access, "Meta-Info: %s: %s", psz, p );
1345 else if( !strcasecmp( psz, "Set-Cookie" ) )
1347 if( p_sys->cookies )
1349 msg_Dbg( p_access, "Accepting Cookie: %s", p );
1350 cookie_append( p_sys->cookies, strdup(p) );
1353 msg_Dbg( p_access, "We have a Cookie we won't remember: %s", p );
1355 else if( !strcasecmp( psz, "www-authenticate" ) )
1357 msg_Dbg( p_access, "Authentication header: %s", p );
1358 AuthParseHeader( p_access, p, &p_sys->auth );
1360 else if( !strcasecmp( psz, "proxy-authenticate" ) )
1362 msg_Dbg( p_access, "Proxy authentication header: %s", p );
1363 AuthParseHeader( p_access, p, &p_sys->proxy_auth );
1365 else if( !strcasecmp( psz, "authentication-info" ) )
1367 msg_Dbg( p_access, "Authentication Info header: %s", p );
1368 if( AuthCheckReply( p_access, p, &p_sys->url, &p_sys->auth ) )
1371 else if( !strcasecmp( psz, "proxy-authentication-info" ) )
1373 msg_Dbg( p_access, "Proxy Authentication Info header: %s", p );
1374 if( AuthCheckReply( p_access, p, &p_sys->proxy, &p_sys->proxy_auth ) )
1383 Disconnect( p_access );
1384 return VLC_EGENERIC;
1387 /*****************************************************************************
1389 *****************************************************************************/
1390 static void Disconnect( access_t *p_access )
1392 access_sys_t *p_sys = p_access->p_sys;
1394 if( p_sys->p_tls != NULL)
1396 tls_ClientDelete( p_sys->p_tls );
1397 p_sys->p_tls = NULL;
1400 if( p_sys->fd != -1)
1402 net_Close(p_sys->fd);
1408 /*****************************************************************************
1409 * Cookies (FIXME: we may want to rewrite that using a nice structure to hold
1410 * them) (FIXME: only support the "domain=" param)
1411 *****************************************************************************/
1413 /* Get the NAME=VALUE part of the Cookie */
1414 static char * cookie_get_content( const char * cookie )
1416 char * ret = strdup( cookie );
1417 if( !ret ) return NULL;
1419 /* Look for a ';' */
1420 while( *str && *str != ';' ) str++;
1421 /* Replace it by a end-char */
1422 if( *str == ';' ) *str = 0;
1426 /* Get the domain where the cookie is stored */
1427 static char * cookie_get_domain( const char * cookie )
1429 const char * str = cookie;
1430 static const char domain[] = "domain=";
1433 /* Look for a ';' */
1436 if( !strncmp( str, domain, sizeof(domain) - 1 /* minus \0 */ ) )
1438 str += sizeof(domain) - 1 /* minus \0 */;
1439 char * ret = strdup( str );
1440 /* Now remove the next ';' if present */
1441 char * ret_iter = ret;
1442 while( *ret_iter && *ret_iter != ';' ) ret_iter++;
1443 if( *ret_iter == ';' )
1447 /* Go to next ';' field */
1448 while( *str && *str != ';' ) str++;
1449 if( *str == ';' ) str++;
1451 while( *str && *str == ' ' ) str++;
1456 /* Get NAME in the NAME=VALUE field */
1457 static char * cookie_get_name( const char * cookie )
1459 char * ret = cookie_get_content( cookie ); /* NAME=VALUE */
1460 if( !ret ) return NULL;
1462 while( *str && *str != '=' ) str++;
1467 /* Add a cookie in cookies, checking to see how it should be added */
1468 static void cookie_append( vlc_array_t * cookies, char * cookie )
1475 char * cookie_name = cookie_get_name( cookie );
1477 /* Don't send invalid cookies */
1481 char * cookie_domain = cookie_get_domain( cookie );
1482 for( i = 0; i < vlc_array_count( cookies ); i++ )
1484 char * current_cookie = vlc_array_item_at_index( cookies, i );
1485 char * current_cookie_name = cookie_get_name( current_cookie );
1486 char * current_cookie_domain = cookie_get_domain( current_cookie );
1488 assert( current_cookie_name );
1490 bool is_domain_matching = ( cookie_domain && current_cookie_domain &&
1491 !strcmp( cookie_domain, current_cookie_domain ) );
1493 if( is_domain_matching && !strcmp( cookie_name, current_cookie_name ) )
1495 /* Remove previous value for this cookie */
1496 free( current_cookie );
1497 vlc_array_remove( cookies, i );
1500 free( current_cookie_name );
1501 free( current_cookie_domain );
1504 free( current_cookie_name );
1505 free( current_cookie_domain );
1507 free( cookie_name );
1508 free( cookie_domain );
1509 vlc_array_append( cookies, cookie );
1512 /*****************************************************************************
1513 * "RFC 2617: Basic and Digest Access Authentication" header parsing
1514 *****************************************************************************/
1515 static char *AuthGetParam( const char *psz_header, const char *psz_param )
1517 char psz_what[strlen(psz_param)+3];
1518 sprintf( psz_what, "%s=\"", psz_param );
1519 psz_header = strstr( psz_header, psz_what );
1522 const char *psz_end;
1523 psz_header += strlen( psz_what );
1524 psz_end = strchr( psz_header, '"' );
1525 if( !psz_end ) /* Invalid since we should have a closing quote */
1526 return strdup( psz_header );
1527 return strndup( psz_header, psz_end - psz_header );
1535 static char *AuthGetParamNoQuotes( const char *psz_header, const char *psz_param )
1537 char psz_what[strlen(psz_param)+2];
1538 sprintf( psz_what, "%s=", psz_param );
1539 psz_header = strstr( psz_header, psz_what );
1542 const char *psz_end;
1543 psz_header += strlen( psz_what );
1544 psz_end = strchr( psz_header, ',' );
1545 /* XXX: Do we need to filter out trailing space between the value and
1546 * the comma/end of line? */
1547 if( !psz_end ) /* Can be valid if this is the last parameter */
1548 return strdup( psz_header );
1549 return strndup( psz_header, psz_end - psz_header );
1557 static void AuthParseHeader( access_t *p_access, const char *psz_header,
1558 http_auth_t *p_auth )
1560 /* FIXME: multiple auth methods can be listed (comma seperated) */
1562 /* 2 Basic Authentication Scheme */
1563 if( !strncasecmp( psz_header, "Basic ", strlen( "Basic " ) ) )
1565 msg_Dbg( p_access, "Using Basic Authentication" );
1566 psz_header += strlen( "Basic " );
1567 p_auth->psz_realm = AuthGetParam( psz_header, "realm" );
1568 if( !p_auth->psz_realm )
1569 msg_Warn( p_access, "Basic Authentication: "
1570 "Mandatory 'realm' parameter is missing" );
1572 /* 3 Digest Access Authentication Scheme */
1573 else if( !strncasecmp( psz_header, "Digest ", strlen( "Digest " ) ) )
1575 msg_Dbg( p_access, "Using Digest Access Authentication" );
1576 if( p_auth->psz_nonce ) return; /* FIXME */
1577 psz_header += strlen( "Digest " );
1578 p_auth->psz_realm = AuthGetParam( psz_header, "realm" );
1579 p_auth->psz_domain = AuthGetParam( psz_header, "domain" );
1580 p_auth->psz_nonce = AuthGetParam( psz_header, "nonce" );
1581 p_auth->psz_opaque = AuthGetParam( psz_header, "opaque" );
1582 p_auth->psz_stale = AuthGetParamNoQuotes( psz_header, "stale" );
1583 p_auth->psz_algorithm = AuthGetParamNoQuotes( psz_header, "algorithm" );
1584 p_auth->psz_qop = AuthGetParam( psz_header, "qop" );
1585 p_auth->i_nonce = 0;
1586 /* printf("realm: |%s|\ndomain: |%s|\nnonce: |%s|\nopaque: |%s|\n"
1587 "stale: |%s|\nalgorithm: |%s|\nqop: |%s|\n",
1588 p_auth->psz_realm,p_auth->psz_domain,p_auth->psz_nonce,
1589 p_auth->psz_opaque,p_auth->psz_stale,p_auth->psz_algorithm,
1590 p_auth->psz_qop); */
1591 if( !p_auth->psz_realm )
1592 msg_Warn( p_access, "Digest Access Authentication: "
1593 "Mandatory 'realm' parameter is missing" );
1594 if( !p_auth->psz_nonce )
1595 msg_Warn( p_access, "Digest Access Authentication: "
1596 "Mandatory 'nonce' parameter is missing" );
1597 if( p_auth->psz_qop ) /* FIXME: parse the qop list */
1599 char *psz_tmp = strchr( p_auth->psz_qop, ',' );
1600 if( psz_tmp ) *psz_tmp = '\0';
1605 const char *psz_end = strchr( psz_header, ' ' );
1607 msg_Warn( p_access, "Unknown authentication scheme: '%*s'",
1608 psz_end - psz_header, psz_header );
1610 msg_Warn( p_access, "Unknown authentication scheme: '%s'",
1615 static char *AuthDigest( access_t *p_access, vlc_url_t *p_url,
1616 http_auth_t *p_auth, const char *psz_method )
1619 const char *psz_username = p_url->psz_username ?: "";
1620 const char *psz_password = p_url->psz_password ?: "";
1622 char *psz_HA1 = NULL;
1623 char *psz_HA2 = NULL;
1624 char *psz_response = NULL;
1628 if( p_auth->psz_HA1 )
1630 psz_HA1 = strdup( p_auth->psz_HA1 );
1631 if( !psz_HA1 ) goto error;
1636 AddMD5( &md5, psz_username, strlen( psz_username ) );
1637 AddMD5( &md5, ":", 1 );
1638 AddMD5( &md5, p_auth->psz_realm, strlen( p_auth->psz_realm ) );
1639 AddMD5( &md5, ":", 1 );
1640 AddMD5( &md5, psz_password, strlen( psz_password ) );
1643 psz_HA1 = psz_md5_hash( &md5 );
1644 if( !psz_HA1 ) goto error;
1646 if( p_auth->psz_algorithm
1647 && !strcmp( p_auth->psz_algorithm, "MD5-sess" ) )
1650 AddMD5( &md5, psz_HA1, 32 );
1652 AddMD5( &md5, ":", 1 );
1653 AddMD5( &md5, p_auth->psz_nonce, strlen( p_auth->psz_nonce ) );
1654 AddMD5( &md5, ":", 1 );
1655 AddMD5( &md5, p_auth->psz_cnonce, strlen( p_auth->psz_cnonce ) );
1658 psz_HA1 = psz_md5_hash( &md5 );
1659 if( !psz_HA1 ) goto error;
1660 p_auth->psz_HA1 = strdup( psz_HA1 );
1661 if( !p_auth->psz_HA1 ) goto error;
1668 AddMD5( &md5, psz_method, strlen( psz_method ) );
1669 AddMD5( &md5, ":", 1 );
1670 if( p_url->psz_path )
1671 AddMD5( &md5, p_url->psz_path, strlen( p_url->psz_path ) );
1673 AddMD5( &md5, "/", 1 );
1674 if( p_auth->psz_qop && !strcmp( p_auth->psz_qop, "auth-int" ) )
1679 AddMD5( &ent, "", 0 ); /* XXX: entity-body. should be ok for GET */
1681 psz_ent = psz_md5_hash( &ent );
1682 if( !psz_ent ) goto error;
1683 AddMD5( &md5, ":", 1 );
1684 AddMD5( &md5, psz_ent, 32 );
1688 psz_HA2 = psz_md5_hash( &md5 );
1689 if( !psz_HA2 ) goto error;
1691 /* Request digest */
1693 AddMD5( &md5, psz_HA1, 32 );
1694 AddMD5( &md5, ":", 1 );
1695 AddMD5( &md5, p_auth->psz_nonce, strlen( p_auth->psz_nonce ) );
1696 AddMD5( &md5, ":", 1 );
1698 && ( !strcmp( p_auth->psz_qop, "auth" )
1699 || !strcmp( p_auth->psz_qop, "auth-int" ) ) )
1702 snprintf( psz_inonce, 9, "%08x", p_auth->i_nonce );
1703 AddMD5( &md5, psz_inonce, 8 );
1704 AddMD5( &md5, ":", 1 );
1705 AddMD5( &md5, p_auth->psz_cnonce, strlen( p_auth->psz_cnonce ) );
1706 AddMD5( &md5, ":", 1 );
1707 AddMD5( &md5, p_auth->psz_qop, strlen( p_auth->psz_qop ) );
1708 AddMD5( &md5, ":", 1 );
1710 AddMD5( &md5, psz_HA2, 32 );
1712 psz_response = psz_md5_hash( &md5 );
1717 return psz_response;
1721 static void AuthReply( access_t *p_access, const char *psz_prefix,
1722 vlc_url_t *p_url, http_auth_t *p_auth )
1724 access_sys_t *p_sys = p_access->p_sys;
1725 v_socket_t *pvs = p_sys->p_vs;
1727 const char *psz_username = p_url->psz_username ?: "";
1728 const char *psz_password = p_url->psz_password ?: "";
1730 if( p_auth->psz_nonce )
1732 /* Digest Access Authentication */
1735 if( p_auth->psz_algorithm
1736 && strcmp( p_auth->psz_algorithm, "MD5" )
1737 && strcmp( p_auth->psz_algorithm, "MD5-sess" ) )
1739 msg_Err( p_access, "Digest Access Authentication: "
1740 "Unknown algorithm '%s'", p_auth->psz_algorithm );
1744 if( p_auth->psz_qop || !p_auth->psz_cnonce )
1746 /* FIXME: needs to be really random to prevent man in the middle
1748 free( p_auth->psz_cnonce );
1749 p_auth->psz_cnonce = strdup( "Some random string FIXME" );
1753 psz_response = AuthDigest( p_access, p_url, p_auth, "GET" );
1754 if( !psz_response ) return;
1756 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs,
1757 "%sAuthorization: Digest "
1758 /* Mandatory parameters */
1764 /* Optional parameters */
1765 "%s%s%s" /* algorithm */
1766 "%s%s%s" /* cnonce */
1767 "%s%s%s" /* opaque */
1768 "%s%s%s" /* message qop */
1769 "%s%08x%s" /* nonce count */
1771 /* Mandatory parameters */
1776 p_url->psz_path ?: "/",
1778 /* Optional parameters */
1779 p_auth->psz_algorithm ? "algorithm=\"" : "",
1780 p_auth->psz_algorithm ?: "",
1781 p_auth->psz_algorithm ? "\", " : "",
1782 p_auth->psz_cnonce ? "cnonce=\"" : "",
1783 p_auth->psz_cnonce ?: "",
1784 p_auth->psz_cnonce ? "\", " : "",
1785 p_auth->psz_opaque ? "opaque=\"" : "",
1786 p_auth->psz_opaque ?: "",
1787 p_auth->psz_opaque ? "\", " : "",
1788 p_auth->psz_qop ? "qop=\"" : "",
1789 p_auth->psz_qop ?: "",
1790 p_auth->psz_qop ? "\", " : "",
1791 p_auth->i_nonce ? "nc=\"" : "uglyhack=\"", /* Will be parsed as an unhandled extension */
1793 p_auth->i_nonce ? "\"" : "\""
1796 free( psz_response );
1800 /* Basic Access Authentication */
1801 char buf[strlen( psz_username ) + strlen( psz_password ) + 2];
1804 snprintf( buf, sizeof( buf ), "%s:%s", psz_username, psz_password );
1805 b64 = vlc_b64_encode( buf );
1809 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs,
1810 "%sAuthorization: Basic %s\r\n", psz_prefix, b64 );
1816 static int AuthCheckReply( access_t *p_access, const char *psz_header,
1817 vlc_url_t *p_url, http_auth_t *p_auth )
1819 int i_ret = VLC_EGENERIC;
1820 char *psz_nextnonce = AuthGetParam( psz_header, "nextnonce" );
1821 char *psz_qop = AuthGetParamNoQuotes( psz_header, "qop" );
1822 char *psz_rspauth = AuthGetParam( psz_header, "rspauth" );
1823 char *psz_cnonce = AuthGetParam( psz_header, "cnonce" );
1824 char *psz_nc = AuthGetParamNoQuotes( psz_header, "nc" );
1830 if( strcmp( psz_cnonce, p_auth->psz_cnonce ) )
1832 msg_Err( p_access, "HTTP Digest Access Authentication: server replied with a different client nonce value." );
1839 i_nonce = strtol( psz_nc, NULL, 16 );
1840 if( i_nonce != p_auth->i_nonce )
1842 msg_Err( p_access, "HTTP Digest Access Authentication: server replied with a different nonce count value." );
1847 if( psz_qop && p_auth->psz_qop && strcmp( psz_qop, p_auth->psz_qop ) )
1848 msg_Warn( p_access, "HTTP Digest Access Authentication: server replied using a different 'quality of protection' option" );
1850 /* All the clear text values match, let's now check the response
1852 psz_digest = AuthDigest( p_access, p_url, p_auth, "" );
1853 if( strcmp( psz_digest, psz_rspauth ) )
1855 msg_Err( p_access, "HTTP Digest Access Authentication: server replied with an invalid response digest (expected value: %s).", psz_digest );
1864 free( p_auth->psz_nonce );
1865 p_auth->psz_nonce = psz_nextnonce;
1866 psz_nextnonce = NULL;
1869 i_ret = VLC_SUCCESS;
1871 free( psz_nextnonce );
1873 free( psz_rspauth );
1880 static void AuthReset( http_auth_t *p_auth )
1882 FREENULL( p_auth->psz_realm );
1883 FREENULL( p_auth->psz_domain );
1884 FREENULL( p_auth->psz_nonce );
1885 FREENULL( p_auth->psz_opaque );
1886 FREENULL( p_auth->psz_stale );
1887 FREENULL( p_auth->psz_algorithm );
1888 FREENULL( p_auth->psz_qop );
1889 p_auth->i_nonce = 0;
1890 FREENULL( p_auth->psz_cnonce );
1891 FREENULL( p_auth->psz_HA1 );