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_charset.h>
47 #include <vlc_input.h>
59 /*****************************************************************************
61 *****************************************************************************/
62 static int Open ( vlc_object_t * );
63 static void Close( vlc_object_t * );
65 #define PROXY_TEXT N_("HTTP proxy")
66 #define PROXY_LONGTEXT N_( \
67 "HTTP proxy to be used It must be of the form " \
68 "http://[user@]myproxy.mydomain:myport/ ; " \
69 "if empty, the http_proxy environment variable will be tried." )
71 #define PROXY_PASS_TEXT N_("HTTP proxy password")
72 #define PROXY_PASS_LONGTEXT N_( \
73 "If your HTTP proxy requires a password, set it here." )
75 #define CACHING_TEXT N_("Caching value in ms")
76 #define CACHING_LONGTEXT N_( \
77 "Caching value for HTTP streams. This " \
78 "value should be set in milliseconds." )
80 #define AGENT_TEXT N_("HTTP user agent")
81 #define AGENT_LONGTEXT N_("User agent that will be " \
82 "used for the connection.")
84 #define RECONNECT_TEXT N_("Auto re-connect")
85 #define RECONNECT_LONGTEXT N_( \
86 "Automatically try to reconnect to the stream in case of a sudden " \
89 #define CONTINUOUS_TEXT N_("Continuous stream")
90 #define CONTINUOUS_LONGTEXT N_("Read a file that is " \
91 "being constantly updated (for example, a JPG file on a server). " \
92 "You should not globally enable this option as it will break all other " \
93 "types of HTTP streams." )
95 #define FORWARD_COOKIES_TEXT N_("Forward Cookies")
96 #define FORWARD_COOKIES_LONGTEXT N_("Forward Cookies Across http redirections ")
99 set_description( N_("HTTP input") );
100 set_capability( "access", 0 );
101 set_shortname( N_( "HTTP(S)" ) );
102 set_category( CAT_INPUT );
103 set_subcategory( SUBCAT_INPUT_ACCESS );
105 add_string( "http-proxy", NULL, NULL, PROXY_TEXT, PROXY_LONGTEXT,
107 add_password( "http-proxy-pwd", NULL, NULL,
108 PROXY_PASS_TEXT, PROXY_PASS_LONGTEXT, false );
109 add_integer( "http-caching", 4 * DEFAULT_PTS_DELAY / 1000, NULL,
110 CACHING_TEXT, CACHING_LONGTEXT, true );
111 add_string( "http-user-agent", COPYRIGHT_MESSAGE , NULL, AGENT_TEXT,
112 AGENT_LONGTEXT, true );
113 add_bool( "http-reconnect", 0, NULL, RECONNECT_TEXT,
114 RECONNECT_LONGTEXT, true );
115 add_bool( "http-continuous", 0, NULL, CONTINUOUS_TEXT,
116 CONTINUOUS_LONGTEXT, true );
117 add_bool( "http-forward-cookies", 0, NULL, FORWARD_COOKIES_TEXT,
118 FORWARD_COOKIES_LONGTEXT, true );
119 add_obsolete_string("http-user");
120 add_obsolete_string("http-pwd");
121 add_shortcut( "http" );
122 add_shortcut( "https" );
123 add_shortcut( "unsv" );
124 add_shortcut( "itpc" ); /* iTunes Podcast */
125 set_callbacks( Open, Close );
128 /*****************************************************************************
130 *****************************************************************************/
132 /* RFC 2617: Basic and Digest Access Authentication */
133 typedef struct http_auth_t
144 char *psz_HA1; /* stored H(A1) value if algorithm = "MD5-sess" */
150 tls_session_t *p_tls;
155 char *psz_user_agent;
161 http_auth_t proxy_auth;
162 char *psz_proxy_passbuf;
166 const char *psz_protocol;
188 int64_t i_icy_offset;
201 vlc_array_t * cookies;
205 static int OpenWithCookies( vlc_object_t *p_this, vlc_array_t *cookies );
208 static ssize_t Read( access_t *, uint8_t *, size_t );
209 static ssize_t ReadCompressed( access_t *, uint8_t *, size_t );
210 static int Seek( access_t *, int64_t );
211 static int Control( access_t *, int, va_list );
214 static int Connect( access_t *, int64_t );
215 static int Request( access_t *p_access, int64_t i_tell );
216 static void Disconnect( access_t * );
218 /* Small Cookie utilities. Cookies support is partial. */
219 static char * cookie_get_content( const char * cookie );
220 static char * cookie_get_domain( const char * cookie );
221 static char * cookie_get_name( const char * cookie );
222 static void cookie_append( vlc_array_t * cookies, char * cookie );
225 static void AuthParseHeader( access_t *p_access, const char *psz_header,
226 http_auth_t *p_auth );
227 static void AuthReply( access_t *p_acces, const char *psz_prefix,
228 vlc_url_t *p_url, http_auth_t *p_auth );
229 static int AuthCheckReply( access_t *p_access, const char *psz_header,
230 vlc_url_t *p_url, http_auth_t *p_auth );
231 static void AuthReset( http_auth_t *p_auth );
233 /*****************************************************************************
235 *****************************************************************************/
236 static int Open( vlc_object_t *p_this )
238 return OpenWithCookies( p_this, NULL );
241 static int OpenWithCookies( vlc_object_t *p_this, vlc_array_t *cookies )
243 access_t *p_access = (access_t*)p_this;
246 /* Only forward an store cookies if the corresponding option is activated */
247 bool b_forward_cookies = var_CreateGetBool( p_access, "http-forward-cookies" );
248 vlc_array_t * saved_cookies = b_forward_cookies ? (cookies ?: vlc_array_new()) : NULL;
250 /* Set up p_access */
251 STANDARD_READ_ACCESS_INIT;
253 p_access->pf_read = ReadCompressed;
256 p_sys->b_proxy = false;
257 p_sys->psz_proxy_passbuf = NULL;
258 p_sys->i_version = 1;
259 p_sys->b_seekable = true;
260 p_sys->psz_mime = NULL;
261 p_sys->psz_pragma = NULL;
262 p_sys->b_mms = false;
263 p_sys->b_icecast = false;
264 p_sys->psz_location = NULL;
265 p_sys->psz_user_agent = NULL;
266 p_sys->b_pace_control = true;
267 p_sys->b_ssl = false;
269 p_sys->b_compressed = false;
270 /* 15 is the max windowBits, +32 to enable optional gzip decoding */
271 if( inflateInit2( &p_sys->inflate.stream, 32+15 ) != Z_OK )
272 msg_Warn( p_access, "Error during zlib initialisation: %s",
273 p_sys->inflate.stream.msg );
274 if( zlibCompileFlags() & (1<<17) )
275 msg_Warn( p_access, "Your zlib was compiled without gzip support." );
276 p_sys->inflate.p_buffer = NULL;
280 p_sys->i_icy_meta = 0;
281 p_sys->i_icy_offset = 0;
282 p_sys->psz_icy_name = NULL;
283 p_sys->psz_icy_genre = NULL;
284 p_sys->psz_icy_title = NULL;
285 p_sys->i_remaining = 0;
286 p_sys->b_persist = false;
287 p_access->info.i_size = -1;
288 p_access->info.i_pos = 0;
289 p_access->info.b_eof = false;
291 p_sys->cookies = saved_cookies;
293 /* Parse URI - remove spaces */
294 p = psz = strdup( p_access->psz_path );
295 while( (p = strchr( p, ' ' )) != NULL )
297 vlc_UrlParse( &p_sys->url, psz, 0 );
300 if( p_sys->url.psz_host == NULL || *p_sys->url.psz_host == '\0' )
302 msg_Warn( p_access, "invalid host" );
305 if( !strncmp( p_access->psz_access, "https", 5 ) )
309 if( p_sys->url.i_port <= 0 )
310 p_sys->url.i_port = 443;
314 if( p_sys->url.i_port <= 0 )
315 p_sys->url.i_port = 80;
319 p_sys->psz_user_agent = var_CreateGetString( p_access, "http-user-agent" );
322 psz = var_CreateGetNonEmptyString( p_access, "http-proxy" );
325 p_sys->b_proxy = true;
326 vlc_UrlParse( &p_sys->proxy, psz, 0 );
332 pxProxyFactory *pf = px_proxy_factory_new();
337 i=asprintf(&buf, "%s://%s", p_access->psz_access, p_access->psz_path);
340 msg_Dbg(p_access, "asking libproxy about url '%s'", buf);
341 char **proxies = px_proxy_factory_get_proxies(pf, buf);
344 msg_Dbg(p_access, "libproxy suggest to use '%s'", proxies[0]);
345 if(strcmp(proxies[0],"direct://") != 0)
347 p_sys->b_proxy = true;
348 vlc_UrlParse( &p_sys->proxy, proxies[0], 0);
351 for(i=0;proxies[i];i++) free(proxies[i]);
355 px_proxy_factory_free(pf);
359 msg_Err(p_access, "Allocating memory for libproxy failed");
365 psz = getenv( "http_proxy" );
368 p_sys->b_proxy = true;
369 vlc_UrlParse( &p_sys->proxy, psz, 0 );
373 if( psz ) /* No, this is NOT a use-after-free error */
375 psz = var_CreateGetNonEmptyString( p_access, "http-proxy-pwd" );
377 p_sys->proxy.psz_password = p_sys->psz_proxy_passbuf = psz;
382 if( p_sys->proxy.psz_host == NULL || *p_sys->proxy.psz_host == '\0' )
384 msg_Warn( p_access, "invalid proxy host" );
387 if( p_sys->proxy.i_port <= 0 )
389 p_sys->proxy.i_port = 80;
393 msg_Dbg( p_access, "http: server='%s' port=%d file='%s",
394 p_sys->url.psz_host, p_sys->url.i_port, p_sys->url.psz_path );
397 msg_Dbg( p_access, " proxy %s:%d", p_sys->proxy.psz_host,
398 p_sys->proxy.i_port );
400 if( p_sys->url.psz_username && *p_sys->url.psz_username )
402 msg_Dbg( p_access, " user='%s'", p_sys->url.psz_username );
405 p_sys->b_reconnect = var_CreateGetBool( p_access, "http-reconnect" );
406 p_sys->b_continuous = var_CreateGetBool( p_access, "http-continuous" );
410 switch( Connect( p_access, 0 ) )
416 /* Retry with http 1.0 */
417 msg_Dbg( p_access, "switching to HTTP version 1.0" );
418 p_sys->i_version = 0;
419 p_sys->b_seekable = false;
421 if( !vlc_object_alive (p_access) || Connect( p_access, 0 ) )
429 msg_Err( p_access, "You should not be here" );
434 if( p_sys->i_code == 401 )
436 char *psz_login = NULL, *psz_password = NULL;
440 if( p_sys->url.psz_username && p_sys->url.psz_password &&
441 p_sys->auth.psz_nonce && p_sys->auth.i_nonce == 0 )
445 snprintf( psz_msg, 250,
446 _("Please enter a valid login name and a password for realm %s."),
447 p_sys->auth.psz_realm );
448 msg_Dbg( p_access, "authentication failed for realm %s",
449 p_sys->auth.psz_realm );
450 i_ret = intf_UserLoginPassword( p_access, _("HTTP authentication"),
451 psz_msg, &psz_login, &psz_password );
452 if( i_ret == DIALOG_OK_YES )
454 msg_Dbg( p_access, "retrying with user=%s, pwd=%s",
455 psz_login, psz_password );
456 if( psz_login ) p_sys->url.psz_username = strdup( psz_login );
457 if( psz_password ) p_sys->url.psz_password = strdup( psz_password );
459 free( psz_password );
465 free( psz_password );
470 if( ( p_sys->i_code == 301 || p_sys->i_code == 302 ||
471 p_sys->i_code == 303 || p_sys->i_code == 307 ) &&
472 p_sys->psz_location && *p_sys->psz_location )
474 msg_Dbg( p_access, "redirection to %s", p_sys->psz_location );
476 /* Do not accept redirection outside of HTTP works */
477 if( strncmp( p_sys->psz_location, "http", 4 )
478 || ( ( p_sys->psz_location[4] != ':' ) /* HTTP */
479 && strncmp( p_sys->psz_location + 4, "s:", 2 ) /* HTTP/SSL */ ) )
481 msg_Err( p_access, "insecure redirection ignored" );
484 free( p_access->psz_path );
485 p_access->psz_path = strdup( p_sys->psz_location );
486 /* Clean up current Open() run */
487 vlc_UrlClean( &p_sys->url );
488 AuthReset( &p_sys->auth );
489 vlc_UrlClean( &p_sys->proxy );
490 free( p_sys->psz_proxy_passbuf );
491 AuthReset( &p_sys->proxy_auth );
492 free( p_sys->psz_mime );
493 free( p_sys->psz_pragma );
494 free( p_sys->psz_location );
495 free( p_sys->psz_user_agent );
497 Disconnect( p_access );
498 cookies = p_sys->cookies;
501 /* Do new Open() run with new data */
502 return OpenWithCookies( p_this, cookies );
507 msg_Dbg( p_access, "this is actually a live mms server, BAIL" );
511 if( !strcmp( p_sys->psz_protocol, "ICY" ) || p_sys->b_icecast )
513 if( p_sys->psz_mime && strcasecmp( p_sys->psz_mime, "application/ogg" ) )
515 if( !strcasecmp( p_sys->psz_mime, "video/nsv" ) ||
516 !strcasecmp( p_sys->psz_mime, "video/nsa" ) )
518 free( p_access->psz_demux );
519 p_access->psz_demux = strdup( "nsv" );
521 else if( !strcasecmp( p_sys->psz_mime, "audio/aac" ) ||
522 !strcasecmp( p_sys->psz_mime, "audio/aacp" ) )
524 free( p_access->psz_demux );
525 p_access->psz_demux = strdup( "m4a" );
527 else if( !strcasecmp( p_sys->psz_mime, "audio/mpeg" ) )
529 free( p_access->psz_demux );
530 p_access->psz_demux = strdup( "mp3" );
533 msg_Info( p_access, "Raw-audio server found, %s demuxer selected",
534 p_access->psz_demux );
536 #if 0 /* Doesn't work really well because of the pre-buffering in
537 * shoutcast servers (the buffer content will be sent as fast as
539 p_sys->b_pace_control = false;
542 else if( !p_sys->psz_mime )
544 free( p_access->psz_demux );
546 p_access->psz_demux = strdup( "mp3" );
548 /* else probably Ogg Vorbis */
550 else if( !strcasecmp( p_access->psz_access, "unsv" ) &&
552 !strcasecmp( p_sys->psz_mime, "misc/ultravox" ) )
554 free( p_access->psz_demux );
555 /* Grrrr! detect ultravox server and force NSV demuxer */
556 p_access->psz_demux = strdup( "nsv" );
558 else if( !strcmp( p_access->psz_access, "itpc" ) )
560 free( p_access->psz_demux );
561 p_access->psz_demux = strdup( "podcast" );
563 else if( p_sys->psz_mime &&
564 !strncasecmp( p_sys->psz_mime, "application/xspf+xml", 20 ) &&
565 ( memchr( " ;\t", p_sys->psz_mime[20], 4 ) != NULL ) )
567 free( p_access->psz_demux );
568 p_access->psz_demux = strdup( "xspf-open" );
571 if( p_sys->b_reconnect ) msg_Dbg( p_access, "auto re-connect enabled" );
574 var_Create( p_access, "http-caching", VLC_VAR_INTEGER |VLC_VAR_DOINHERIT );
579 vlc_UrlClean( &p_sys->url );
580 vlc_UrlClean( &p_sys->proxy );
581 free( p_sys->psz_proxy_passbuf );
582 free( p_sys->psz_mime );
583 free( p_sys->psz_pragma );
584 free( p_sys->psz_location );
585 free( p_sys->psz_user_agent );
587 Disconnect( p_access );
592 /*****************************************************************************
594 *****************************************************************************/
595 static void Close( vlc_object_t *p_this )
597 access_t *p_access = (access_t*)p_this;
598 access_sys_t *p_sys = p_access->p_sys;
600 vlc_UrlClean( &p_sys->url );
601 AuthReset( &p_sys->auth );
602 vlc_UrlClean( &p_sys->proxy );
603 AuthReset( &p_sys->proxy_auth );
605 free( p_sys->psz_mime );
606 free( p_sys->psz_pragma );
607 free( p_sys->psz_location );
609 free( p_sys->psz_icy_name );
610 free( p_sys->psz_icy_genre );
611 free( p_sys->psz_icy_title );
613 free( p_sys->psz_user_agent );
615 Disconnect( p_access );
620 for( i = 0; i < vlc_array_count( p_sys->cookies ); i++ )
621 free(vlc_array_item_at_index( p_sys->cookies, i ));
622 vlc_array_destroy( p_sys->cookies );
626 inflateEnd( &p_sys->inflate.stream );
627 free( p_sys->inflate.p_buffer );
633 /*****************************************************************************
634 * Read: Read up to i_len bytes from the http connection and place in
635 * p_buffer. Return the actual number of bytes read
636 *****************************************************************************/
637 static int ReadICYMeta( access_t *p_access );
638 static ssize_t Read( access_t *p_access, uint8_t *p_buffer, size_t i_len )
640 access_sys_t *p_sys = p_access->p_sys;
645 p_access->info.b_eof = true;
649 if( p_access->info.i_size >= 0 &&
650 i_len + p_access->info.i_pos > p_access->info.i_size )
652 if( ( i_len = p_access->info.i_size - p_access->info.i_pos ) == 0 )
654 p_access->info.b_eof = true;
659 if( p_sys->b_chunked )
661 if( p_sys->i_chunk < 0 )
663 p_access->info.b_eof = true;
667 if( p_sys->i_chunk <= 0 )
669 char *psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, p_sys->p_vs );
670 /* read the chunk header */
673 /* fatal error - end of file */
674 msg_Dbg( p_access, "failed reading chunk-header line" );
677 p_sys->i_chunk = strtoll( psz, NULL, 16 );
680 if( p_sys->i_chunk <= 0 ) /* eof */
683 p_access->info.b_eof = true;
688 if( i_len > p_sys->i_chunk )
690 i_len = p_sys->i_chunk;
693 else if( p_access->info.i_size != -1 && (int64_t)i_len > p_sys->i_remaining) {
694 /* Only ask for the remaining length */
695 i_len = (size_t)p_sys->i_remaining;
697 p_access->info.b_eof = true;
703 if( p_sys->i_icy_meta > 0 && p_access->info.i_pos-p_sys->i_icy_offset > 0 )
705 int64_t i_next = p_sys->i_icy_meta -
706 (p_access->info.i_pos - p_sys->i_icy_offset ) % p_sys->i_icy_meta;
708 if( i_next == p_sys->i_icy_meta )
710 if( ReadICYMeta( p_access ) )
712 p_access->info.b_eof = true;
720 i_read = net_Read( p_access, p_sys->fd, p_sys->p_vs, p_buffer, i_len, false );
724 p_access->info.i_pos += i_read;
726 if( p_sys->b_chunked )
728 p_sys->i_chunk -= i_read;
729 if( p_sys->i_chunk <= 0 )
731 /* read the empty line */
732 char *psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, p_sys->p_vs );
737 else if( i_read == 0 )
740 * I very much doubt that this will work.
741 * If i_read == 0, the connection *IS* dead, so the only
742 * sensible thing to do is Disconnect() and then retry.
743 * Otherwise, I got recv() completely wrong. -- Courmisch
745 if( p_sys->b_continuous )
747 Request( p_access, 0 );
748 p_sys->b_continuous = false;
749 i_read = Read( p_access, p_buffer, i_len );
750 p_sys->b_continuous = true;
752 Disconnect( p_access );
753 if( p_sys->b_reconnect )
755 msg_Dbg( p_access, "got disconnected, trying to reconnect" );
756 if( Connect( p_access, p_access->info.i_pos ) )
758 msg_Dbg( p_access, "reconnection failed" );
762 p_sys->b_reconnect = false;
763 i_read = Read( p_access, p_buffer, i_len );
764 p_sys->b_reconnect = true;
768 if( i_read == 0 ) p_access->info.b_eof = true;
771 if( p_access->info.i_size != -1 )
773 p_sys->i_remaining -= i_read;
779 static int ReadICYMeta( access_t *p_access )
781 access_sys_t *p_sys = p_access->p_sys;
787 /* Read meta data length */
788 i_read = net_Read( p_access, p_sys->fd, p_sys->p_vs, &buffer, 1,
795 i_read = buffer << 4;
796 /* msg_Dbg( p_access, "ICY meta size=%u", i_read); */
798 psz_meta = malloc( i_read + 1 );
799 if( net_Read( p_access, p_sys->fd, p_sys->p_vs,
800 (uint8_t *)psz_meta, i_read, true ) != i_read )
803 psz_meta[i_read] = '\0'; /* Just in case */
805 /* msg_Dbg( p_access, "icy-meta=%s", psz_meta ); */
807 /* Now parse the meta */
808 /* Look for StreamTitle= */
809 p = strcasestr( (char *)psz_meta, "StreamTitle=" );
812 p += strlen( "StreamTitle=" );
813 if( *p == '\'' || *p == '"' )
815 char closing[] = { p[0], ';', '\0' };
816 char *psz = strstr( &p[1], closing );
818 psz = strchr( &p[1], ';' );
820 if( psz ) *psz = '\0';
824 char *psz = strchr( &p[1], ';' );
825 if( psz ) *psz = '\0';
828 if( !p_sys->psz_icy_title ||
829 strcmp( p_sys->psz_icy_title, &p[1] ) )
831 free( p_sys->psz_icy_title );
832 p_sys->psz_icy_title = EnsureUTF8( strdup( &p[1] ));
833 p_access->info.i_update |= INPUT_UPDATE_META;
835 msg_Dbg( p_access, "New Title=%s", p_sys->psz_icy_title );
844 static ssize_t ReadCompressed( access_t *p_access, uint8_t *p_buffer,
847 access_sys_t *p_sys = p_access->p_sys;
849 if( p_sys->b_compressed )
853 if( !p_sys->inflate.p_buffer )
854 p_sys->inflate.p_buffer = malloc( 256 * 1024 );
856 if( p_sys->inflate.stream.avail_in == 0 )
858 ssize_t i_read = Read( p_access, p_sys->inflate.p_buffer + p_sys->inflate.stream.avail_in, 256 * 1024 );
859 if( i_read <= 0 ) return i_read;
860 p_sys->inflate.stream.next_in = p_sys->inflate.p_buffer;
861 p_sys->inflate.stream.avail_in = i_read;
864 p_sys->inflate.stream.avail_out = i_len;
865 p_sys->inflate.stream.next_out = p_buffer;
867 i_ret = inflate( &p_sys->inflate.stream, Z_SYNC_FLUSH );
868 msg_Warn( p_access, "inflate return value: %d, %s", i_ret, p_sys->inflate.stream.msg );
870 return i_len - p_sys->inflate.stream.avail_out;
874 return Read( p_access, p_buffer, i_len );
879 /*****************************************************************************
880 * Seek: close and re-open a connection at the right place
881 *****************************************************************************/
882 static int Seek( access_t *p_access, int64_t i_pos )
884 msg_Dbg( p_access, "trying to seek to %"PRId64, i_pos );
886 Disconnect( p_access );
888 if( p_access->info.i_size
889 && (uint64_t)i_pos >= (uint64_t)p_access->info.i_size ) {
890 msg_Err( p_access, "seek to far" );
891 int retval = Seek( p_access, p_access->info.i_size - 1 );
892 if( retval == VLC_SUCCESS ) {
894 Read( p_access, p_buffer, 1);
895 p_access->info.b_eof = false;
899 if( Connect( p_access, i_pos ) )
901 msg_Err( p_access, "seek failed" );
902 p_access->info.b_eof = true;
908 /*****************************************************************************
910 *****************************************************************************/
911 static int Control( access_t *p_access, int i_query, va_list args )
913 access_sys_t *p_sys = p_access->p_sys;
922 case ACCESS_CAN_SEEK:
923 pb_bool = (bool*)va_arg( args, bool* );
924 *pb_bool = p_sys->b_seekable;
926 case ACCESS_CAN_FASTSEEK:
927 pb_bool = (bool*)va_arg( args, bool* );
930 case ACCESS_CAN_PAUSE:
931 case ACCESS_CAN_CONTROL_PACE:
932 pb_bool = (bool*)va_arg( args, bool* );
934 #if 0 /* Disable for now until we have a clock synchro algo
935 * which works with something else than MPEG over UDP */
936 *pb_bool = p_sys->b_pace_control;
943 pi_int = (int*)va_arg( args, int * );
947 case ACCESS_GET_PTS_DELAY:
948 pi_64 = (int64_t*)va_arg( args, int64_t * );
949 *pi_64 = (int64_t)var_GetInteger( p_access, "http-caching" ) * 1000;
953 case ACCESS_SET_PAUSE_STATE:
956 case ACCESS_GET_META:
957 p_meta = (vlc_meta_t*)va_arg( args, vlc_meta_t* );
959 if( p_sys->psz_icy_name )
960 vlc_meta_Set( p_meta, vlc_meta_Title, p_sys->psz_icy_name );
961 if( p_sys->psz_icy_genre )
962 vlc_meta_Set( p_meta, vlc_meta_Genre, p_sys->psz_icy_genre );
963 if( p_sys->psz_icy_title )
964 vlc_meta_Set( p_meta, vlc_meta_NowPlaying, p_sys->psz_icy_title );
967 case ACCESS_GET_CONTENT_TYPE:
968 *va_arg( args, char ** ) =
969 p_sys->psz_mime ? strdup( p_sys->psz_mime ) : NULL;
972 case ACCESS_GET_TITLE_INFO:
973 case ACCESS_SET_TITLE:
974 case ACCESS_SET_SEEKPOINT:
975 case ACCESS_SET_PRIVATE_ID_STATE:
979 msg_Warn( p_access, "unimplemented query in control" );
986 /*****************************************************************************
988 *****************************************************************************/
989 static int Connect( access_t *p_access, int64_t i_tell )
991 access_sys_t *p_sys = p_access->p_sys;
992 vlc_url_t srv = p_sys->b_proxy ? p_sys->proxy : p_sys->url;
995 free( p_sys->psz_location );
996 free( p_sys->psz_mime );
997 free( p_sys->psz_pragma );
999 free( p_sys->psz_icy_genre );
1000 free( p_sys->psz_icy_name );
1001 free( p_sys->psz_icy_title );
1004 p_sys->psz_location = NULL;
1005 p_sys->psz_mime = NULL;
1006 p_sys->psz_pragma = NULL;
1007 p_sys->b_mms = false;
1008 p_sys->b_chunked = false;
1010 p_sys->i_icy_meta = 0;
1011 p_sys->i_icy_offset = i_tell;
1012 p_sys->psz_icy_name = NULL;
1013 p_sys->psz_icy_genre = NULL;
1014 p_sys->psz_icy_title = NULL;
1015 p_sys->i_remaining = 0;
1016 p_sys->b_persist = false;
1018 p_access->info.i_size = -1;
1019 p_access->info.i_pos = i_tell;
1020 p_access->info.b_eof = false;
1023 /* Open connection */
1024 p_sys->fd = net_ConnectTCP( p_access, srv.psz_host, srv.i_port );
1025 if( p_sys->fd == -1 )
1027 msg_Err( p_access, "cannot connect to %s:%d", srv.psz_host, srv.i_port );
1031 /* Initialize TLS/SSL session */
1032 if( p_sys->b_ssl == true )
1034 /* CONNECT to establish TLS tunnel through HTTP proxy */
1035 if( p_sys->b_proxy )
1038 unsigned i_status = 0;
1040 if( p_sys->i_version == 0 )
1042 /* CONNECT is not in HTTP/1.0 */
1043 Disconnect( p_access );
1047 net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL,
1048 "CONNECT %s:%d HTTP/1.%d\r\nHost: %s:%d\r\n\r\n",
1049 p_sys->url.psz_host, p_sys->url.i_port,
1051 p_sys->url.psz_host, p_sys->url.i_port);
1053 psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, NULL );
1056 msg_Err( p_access, "cannot establish HTTP/TLS tunnel" );
1057 Disconnect( p_access );
1061 sscanf( psz, "HTTP/%*u.%*u %3u", &i_status );
1064 if( ( i_status / 100 ) != 2 )
1066 msg_Err( p_access, "HTTP/TLS tunnel through proxy denied" );
1067 Disconnect( p_access );
1073 psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, NULL );
1076 msg_Err( p_access, "HTTP proxy connection failed" );
1077 Disconnect( p_access );
1086 if( !vlc_object_alive (p_access) || p_access->b_error )
1088 Disconnect( p_access );
1095 /* TLS/SSL handshake */
1096 p_sys->p_tls = tls_ClientCreate( VLC_OBJECT(p_access), p_sys->fd,
1098 if( p_sys->p_tls == NULL )
1100 msg_Err( p_access, "cannot establish HTTP/TLS session" );
1101 Disconnect( p_access );
1104 p_sys->p_vs = &p_sys->p_tls->sock;
1107 return Request( p_access, i_tell ) ? -2 : 0;
1111 static int Request( access_t *p_access, int64_t i_tell )
1113 access_sys_t *p_sys = p_access->p_sys;
1115 v_socket_t *pvs = p_sys->p_vs;
1116 p_sys->b_persist = false;
1118 p_sys->i_remaining = 0;
1119 if( p_sys->b_proxy )
1121 if( p_sys->url.psz_path )
1123 net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL,
1124 "GET http://%s:%d%s HTTP/1.%d\r\n",
1125 p_sys->url.psz_host, p_sys->url.i_port,
1126 p_sys->url.psz_path, p_sys->i_version );
1130 net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL,
1131 "GET http://%s:%d/ HTTP/1.%d\r\n",
1132 p_sys->url.psz_host, p_sys->url.i_port,
1138 const char *psz_path = p_sys->url.psz_path;
1139 if( !psz_path || !*psz_path )
1143 if( p_sys->url.i_port != (pvs ? 443 : 80) )
1145 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs,
1146 "GET %s HTTP/1.%d\r\nHost: %s:%d\r\n",
1147 psz_path, p_sys->i_version, p_sys->url.psz_host,
1148 p_sys->url.i_port );
1152 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs,
1153 "GET %s HTTP/1.%d\r\nHost: %s\r\n",
1154 psz_path, p_sys->i_version, p_sys->url.psz_host );
1158 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs, "User-Agent: %s\r\n",
1159 p_sys->psz_user_agent );
1161 if( p_sys->i_version == 1 && ! p_sys->b_continuous )
1163 p_sys->b_persist = true;
1164 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs,
1165 "Range: bytes=%"PRIu64"-\r\n", i_tell );
1169 if( p_sys->cookies )
1172 for( i = 0; i < vlc_array_count( p_sys->cookies ); i++ )
1174 const char * cookie = vlc_array_item_at_index( p_sys->cookies, i );
1175 char * psz_cookie_content = cookie_get_content( cookie );
1176 char * psz_cookie_domain = cookie_get_domain( cookie );
1178 assert( psz_cookie_content );
1180 /* FIXME: This is clearly not conforming to the rfc */
1181 bool is_in_right_domain = (!psz_cookie_domain || strstr( p_sys->url.psz_host, psz_cookie_domain ));
1183 if( is_in_right_domain )
1185 msg_Dbg( p_access, "Sending Cookie %s", psz_cookie_content );
1186 if( net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs, "Cookie: %s\r\n", psz_cookie_content ) < 0 )
1187 msg_Err( p_access, "failed to send Cookie" );
1189 free( psz_cookie_content );
1190 free( psz_cookie_domain );
1194 /* Authentication */
1195 if( p_sys->url.psz_username || p_sys->url.psz_password )
1196 AuthReply( p_access, "", &p_sys->url, &p_sys->auth );
1198 /* Proxy Authentication */
1199 if( p_sys->proxy.psz_username || p_sys->proxy.psz_password )
1200 AuthReply( p_access, "Proxy-", &p_sys->proxy, &p_sys->proxy_auth );
1202 /* ICY meta data request */
1203 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs, "Icy-MetaData: 1\r\n" );
1206 if( net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs, "\r\n" ) < 0 )
1208 msg_Err( p_access, "failed to send request" );
1209 Disconnect( p_access );
1210 return VLC_EGENERIC;
1214 if( ( psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, pvs ) ) == NULL )
1216 msg_Err( p_access, "failed to read answer" );
1219 if( !strncmp( psz, "HTTP/1.", 7 ) )
1221 p_sys->psz_protocol = "HTTP";
1222 p_sys->i_code = atoi( &psz[9] );
1224 else if( !strncmp( psz, "ICY", 3 ) )
1226 p_sys->psz_protocol = "ICY";
1227 p_sys->i_code = atoi( &psz[4] );
1228 p_sys->b_reconnect = true;
1232 msg_Err( p_access, "invalid HTTP reply '%s'", psz );
1236 msg_Dbg( p_access, "protocol '%s' answer code %d",
1237 p_sys->psz_protocol, p_sys->i_code );
1238 if( !strcmp( p_sys->psz_protocol, "ICY" ) )
1240 p_sys->b_seekable = false;
1242 if( p_sys->i_code != 206 && p_sys->i_code != 401 )
1244 p_sys->b_seekable = false;
1246 /* Authentication error - We'll have to display the dialog */
1247 if( p_sys->i_code == 401 )
1251 /* Other fatal error */
1252 else if( p_sys->i_code >= 400 )
1254 msg_Err( p_access, "error: %s", psz );
1262 char *psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, pvs );
1267 msg_Err( p_access, "failed to read answer" );
1271 if( !vlc_object_alive (p_access) || p_access->b_error )
1277 /* msg_Dbg( p_input, "Line=%s", psz ); */
1284 if( ( p = strchr( psz, ':' ) ) == NULL )
1286 msg_Err( p_access, "malformed header line: %s", psz );
1291 while( *p == ' ' ) p++;
1293 if( !strcasecmp( psz, "Content-Length" ) )
1295 int64_t i_size = i_tell + (p_sys->i_remaining = atoll( p ));
1296 if(i_size > p_access->info.i_size) {
1297 p_access->info.i_size = i_size;
1299 msg_Dbg( p_access, "this frame size=%"PRId64, p_sys->i_remaining );
1301 else if( !strcasecmp( psz, "Content-Range" ) ) {
1302 int64_t i_ntell = i_tell;
1303 int64_t i_nend = (p_access->info.i_size > 0)?(p_access->info.i_size - 1):i_tell;
1304 int64_t i_nsize = p_access->info.i_size;
1305 sscanf(p,"bytes %"PRId64"-%"PRId64"/%"PRId64,&i_ntell,&i_nend,&i_nsize);
1306 if(i_nend > i_ntell ) {
1307 p_access->info.i_pos = i_ntell;
1308 p_sys->i_remaining = i_nend+1-i_ntell;
1309 int64_t i_size = (i_nsize > i_nend) ? i_nsize : (i_nend + 1);
1310 if(i_size > p_access->info.i_size) {
1311 p_access->info.i_size = i_size;
1313 msg_Dbg( p_access, "stream size=%"PRId64",pos=%"PRId64",remaining=%"PRId64,i_nsize,i_ntell,p_sys->i_remaining);
1316 else if( !strcasecmp( psz, "Connection" ) ) {
1317 msg_Dbg( p_access, "Connection: %s",p );
1319 sscanf(p, "close%n",&i);
1321 p_sys->b_persist = false;
1324 else if( !strcasecmp( psz, "Location" ) )
1328 /* This does not follow RFC 2068, but yet if the url is not absolute,
1329 * handle it as everyone does. */
1332 const char *psz_http_ext = p_sys->b_ssl ? "s" : "" ;
1334 if( p_sys->url.i_port == ( p_sys->b_ssl ? 443 : 80 ) )
1336 if( asprintf(&psz_new_loc, "http%s://%s%s", psz_http_ext,
1337 p_sys->url.psz_host, p) < 0 )
1342 if( asprintf(&psz_new_loc, "http%s://%s:%d%s", psz_http_ext,
1343 p_sys->url.psz_host, p_sys->url.i_port, p) < 0 )
1349 psz_new_loc = strdup( p );
1352 free( p_sys->psz_location );
1353 p_sys->psz_location = psz_new_loc;
1355 else if( !strcasecmp( psz, "Content-Type" ) )
1357 free( p_sys->psz_mime );
1358 p_sys->psz_mime = strdup( p );
1359 msg_Dbg( p_access, "Content-Type: %s", p_sys->psz_mime );
1361 else if( !strcasecmp( psz, "Content-Encoding" ) )
1363 msg_Dbg( p_access, "Content-Encoding: %s", p );
1364 if( strcasecmp( p, "identity" ) )
1366 p_sys->b_compressed = true;
1368 msg_Warn( p_access, "Compressed content not supported. Rebuild with zlib support." );
1371 else if( !strcasecmp( psz, "Pragma" ) )
1373 if( !strcasecmp( psz, "Pragma: features" ) )
1374 p_sys->b_mms = true;
1375 free( p_sys->psz_pragma );
1376 p_sys->psz_pragma = strdup( p );
1377 msg_Dbg( p_access, "Pragma: %s", p_sys->psz_pragma );
1379 else if( !strcasecmp( psz, "Server" ) )
1381 msg_Dbg( p_access, "Server: %s", p );
1382 if( !strncasecmp( p, "Icecast", 7 ) ||
1383 !strncasecmp( p, "Nanocaster", 10 ) )
1385 /* Remember if this is Icecast
1386 * we need to force demux in this case without breaking
1389 /* Let live 365 streams (nanocaster) piggyback on the icecast
1390 * routine. They look very similar */
1392 p_sys->b_reconnect = true;
1393 p_sys->b_pace_control = false;
1394 p_sys->b_icecast = true;
1397 else if( !strcasecmp( psz, "Transfer-Encoding" ) )
1399 msg_Dbg( p_access, "Transfer-Encoding: %s", p );
1400 if( !strncasecmp( p, "chunked", 7 ) )
1402 p_sys->b_chunked = true;
1405 else if( !strcasecmp( psz, "Icy-MetaInt" ) )
1407 msg_Dbg( p_access, "Icy-MetaInt: %s", p );
1408 p_sys->i_icy_meta = atoi( p );
1409 if( p_sys->i_icy_meta < 0 )
1410 p_sys->i_icy_meta = 0;
1412 msg_Warn( p_access, "ICY metaint=%d", p_sys->i_icy_meta );
1414 else if( !strcasecmp( psz, "Icy-Name" ) )
1416 free( p_sys->psz_icy_name );
1417 p_sys->psz_icy_name = EnsureUTF8( strdup( p ));
1418 msg_Dbg( p_access, "Icy-Name: %s", p_sys->psz_icy_name );
1420 p_sys->b_icecast = true; /* be on the safeside. set it here as well. */
1421 p_sys->b_reconnect = true;
1422 p_sys->b_pace_control = false;
1424 else if( !strcasecmp( psz, "Icy-Genre" ) )
1426 free( p_sys->psz_icy_genre );
1427 p_sys->psz_icy_genre = EnsureUTF8( strdup( p ));
1428 msg_Dbg( p_access, "Icy-Genre: %s", p_sys->psz_icy_genre );
1430 else if( !strncasecmp( psz, "Icy-Notice", 10 ) )
1432 msg_Dbg( p_access, "Icy-Notice: %s", p );
1434 else if( !strncasecmp( psz, "icy-", 4 ) ||
1435 !strncasecmp( psz, "ice-", 4 ) ||
1436 !strncasecmp( psz, "x-audiocast", 11 ) )
1438 msg_Dbg( p_access, "Meta-Info: %s: %s", psz, p );
1440 else if( !strcasecmp( psz, "Set-Cookie" ) )
1442 if( p_sys->cookies )
1444 msg_Dbg( p_access, "Accepting Cookie: %s", p );
1445 cookie_append( p_sys->cookies, strdup(p) );
1448 msg_Dbg( p_access, "We have a Cookie we won't remember: %s", p );
1450 else if( !strcasecmp( psz, "www-authenticate" ) )
1452 msg_Dbg( p_access, "Authentication header: %s", p );
1453 AuthParseHeader( p_access, p, &p_sys->auth );
1455 else if( !strcasecmp( psz, "proxy-authenticate" ) )
1457 msg_Dbg( p_access, "Proxy authentication header: %s", p );
1458 AuthParseHeader( p_access, p, &p_sys->proxy_auth );
1460 else if( !strcasecmp( psz, "authentication-info" ) )
1462 msg_Dbg( p_access, "Authentication Info header: %s", p );
1463 if( AuthCheckReply( p_access, p, &p_sys->url, &p_sys->auth ) )
1466 else if( !strcasecmp( psz, "proxy-authentication-info" ) )
1468 msg_Dbg( p_access, "Proxy Authentication Info header: %s", p );
1469 if( AuthCheckReply( p_access, p, &p_sys->proxy, &p_sys->proxy_auth ) )
1475 /* We close the stream for zero length data, unless of course the
1476 * server has already promised to do this for us.
1478 if( p_access->info.i_size != -1 && p_sys->i_remaining == 0 && p_sys->b_persist ) {
1479 Disconnect( p_access );
1484 Disconnect( p_access );
1485 return VLC_EGENERIC;
1488 /*****************************************************************************
1490 *****************************************************************************/
1491 static void Disconnect( access_t *p_access )
1493 access_sys_t *p_sys = p_access->p_sys;
1495 if( p_sys->p_tls != NULL)
1497 tls_ClientDelete( p_sys->p_tls );
1498 p_sys->p_tls = NULL;
1501 if( p_sys->fd != -1)
1503 net_Close(p_sys->fd);
1509 /*****************************************************************************
1510 * Cookies (FIXME: we may want to rewrite that using a nice structure to hold
1511 * them) (FIXME: only support the "domain=" param)
1512 *****************************************************************************/
1514 /* Get the NAME=VALUE part of the Cookie */
1515 static char * cookie_get_content( const char * cookie )
1517 char * ret = strdup( cookie );
1518 if( !ret ) return NULL;
1520 /* Look for a ';' */
1521 while( *str && *str != ';' ) str++;
1522 /* Replace it by a end-char */
1523 if( *str == ';' ) *str = 0;
1527 /* Get the domain where the cookie is stored */
1528 static char * cookie_get_domain( const char * cookie )
1530 const char * str = cookie;
1531 static const char domain[] = "domain=";
1534 /* Look for a ';' */
1537 if( !strncmp( str, domain, sizeof(domain) - 1 /* minus \0 */ ) )
1539 str += sizeof(domain) - 1 /* minus \0 */;
1540 char * ret = strdup( str );
1541 /* Now remove the next ';' if present */
1542 char * ret_iter = ret;
1543 while( *ret_iter && *ret_iter != ';' ) ret_iter++;
1544 if( *ret_iter == ';' )
1548 /* Go to next ';' field */
1549 while( *str && *str != ';' ) str++;
1550 if( *str == ';' ) str++;
1552 while( *str && *str == ' ' ) str++;
1557 /* Get NAME in the NAME=VALUE field */
1558 static char * cookie_get_name( const char * cookie )
1560 char * ret = cookie_get_content( cookie ); /* NAME=VALUE */
1561 if( !ret ) return NULL;
1563 while( *str && *str != '=' ) str++;
1568 /* Add a cookie in cookies, checking to see how it should be added */
1569 static void cookie_append( vlc_array_t * cookies, char * cookie )
1576 char * cookie_name = cookie_get_name( cookie );
1578 /* Don't send invalid cookies */
1582 char * cookie_domain = cookie_get_domain( cookie );
1583 for( i = 0; i < vlc_array_count( cookies ); i++ )
1585 char * current_cookie = vlc_array_item_at_index( cookies, i );
1586 char * current_cookie_name = cookie_get_name( current_cookie );
1587 char * current_cookie_domain = cookie_get_domain( current_cookie );
1589 assert( current_cookie_name );
1591 bool is_domain_matching = ( cookie_domain && current_cookie_domain &&
1592 !strcmp( cookie_domain, current_cookie_domain ) );
1594 if( is_domain_matching && !strcmp( cookie_name, current_cookie_name ) )
1596 /* Remove previous value for this cookie */
1597 free( current_cookie );
1598 vlc_array_remove( cookies, i );
1601 free( current_cookie_name );
1602 free( current_cookie_domain );
1605 free( current_cookie_name );
1606 free( current_cookie_domain );
1608 free( cookie_name );
1609 free( cookie_domain );
1610 vlc_array_append( cookies, cookie );
1613 /*****************************************************************************
1614 * "RFC 2617: Basic and Digest Access Authentication" header parsing
1615 *****************************************************************************/
1616 static char *AuthGetParam( const char *psz_header, const char *psz_param )
1618 char psz_what[strlen(psz_param)+3];
1619 sprintf( psz_what, "%s=\"", psz_param );
1620 psz_header = strstr( psz_header, psz_what );
1623 const char *psz_end;
1624 psz_header += strlen( psz_what );
1625 psz_end = strchr( psz_header, '"' );
1626 if( !psz_end ) /* Invalid since we should have a closing quote */
1627 return strdup( psz_header );
1628 return strndup( psz_header, psz_end - psz_header );
1636 static char *AuthGetParamNoQuotes( const char *psz_header, const char *psz_param )
1638 char psz_what[strlen(psz_param)+2];
1639 sprintf( psz_what, "%s=", psz_param );
1640 psz_header = strstr( psz_header, psz_what );
1643 const char *psz_end;
1644 psz_header += strlen( psz_what );
1645 psz_end = strchr( psz_header, ',' );
1646 /* XXX: Do we need to filter out trailing space between the value and
1647 * the comma/end of line? */
1648 if( !psz_end ) /* Can be valid if this is the last parameter */
1649 return strdup( psz_header );
1650 return strndup( psz_header, psz_end - psz_header );
1658 static void AuthParseHeader( access_t *p_access, const char *psz_header,
1659 http_auth_t *p_auth )
1661 /* FIXME: multiple auth methods can be listed (comma seperated) */
1663 /* 2 Basic Authentication Scheme */
1664 if( !strncasecmp( psz_header, "Basic ", strlen( "Basic " ) ) )
1666 msg_Dbg( p_access, "Using Basic Authentication" );
1667 psz_header += strlen( "Basic " );
1668 p_auth->psz_realm = AuthGetParam( psz_header, "realm" );
1669 if( !p_auth->psz_realm )
1670 msg_Warn( p_access, "Basic Authentication: "
1671 "Mandatory 'realm' parameter is missing" );
1673 /* 3 Digest Access Authentication Scheme */
1674 else if( !strncasecmp( psz_header, "Digest ", strlen( "Digest " ) ) )
1676 msg_Dbg( p_access, "Using Digest Access Authentication" );
1677 if( p_auth->psz_nonce ) return; /* FIXME */
1678 psz_header += strlen( "Digest " );
1679 p_auth->psz_realm = AuthGetParam( psz_header, "realm" );
1680 p_auth->psz_domain = AuthGetParam( psz_header, "domain" );
1681 p_auth->psz_nonce = AuthGetParam( psz_header, "nonce" );
1682 p_auth->psz_opaque = AuthGetParam( psz_header, "opaque" );
1683 p_auth->psz_stale = AuthGetParamNoQuotes( psz_header, "stale" );
1684 p_auth->psz_algorithm = AuthGetParamNoQuotes( psz_header, "algorithm" );
1685 p_auth->psz_qop = AuthGetParam( psz_header, "qop" );
1686 p_auth->i_nonce = 0;
1687 /* printf("realm: |%s|\ndomain: |%s|\nnonce: |%s|\nopaque: |%s|\n"
1688 "stale: |%s|\nalgorithm: |%s|\nqop: |%s|\n",
1689 p_auth->psz_realm,p_auth->psz_domain,p_auth->psz_nonce,
1690 p_auth->psz_opaque,p_auth->psz_stale,p_auth->psz_algorithm,
1691 p_auth->psz_qop); */
1692 if( !p_auth->psz_realm )
1693 msg_Warn( p_access, "Digest Access Authentication: "
1694 "Mandatory 'realm' parameter is missing" );
1695 if( !p_auth->psz_nonce )
1696 msg_Warn( p_access, "Digest Access Authentication: "
1697 "Mandatory 'nonce' parameter is missing" );
1698 if( p_auth->psz_qop ) /* FIXME: parse the qop list */
1700 char *psz_tmp = strchr( p_auth->psz_qop, ',' );
1701 if( psz_tmp ) *psz_tmp = '\0';
1706 const char *psz_end = strchr( psz_header, ' ' );
1708 msg_Warn( p_access, "Unknown authentication scheme: '%*s'",
1709 psz_end - psz_header, psz_header );
1711 msg_Warn( p_access, "Unknown authentication scheme: '%s'",
1716 static char *AuthDigest( access_t *p_access, vlc_url_t *p_url,
1717 http_auth_t *p_auth, const char *psz_method )
1720 const char *psz_username = p_url->psz_username ?: "";
1721 const char *psz_password = p_url->psz_password ?: "";
1723 char *psz_HA1 = NULL;
1724 char *psz_HA2 = NULL;
1725 char *psz_response = NULL;
1729 if( p_auth->psz_HA1 )
1731 psz_HA1 = strdup( p_auth->psz_HA1 );
1732 if( !psz_HA1 ) goto error;
1737 AddMD5( &md5, psz_username, strlen( psz_username ) );
1738 AddMD5( &md5, ":", 1 );
1739 AddMD5( &md5, p_auth->psz_realm, strlen( p_auth->psz_realm ) );
1740 AddMD5( &md5, ":", 1 );
1741 AddMD5( &md5, psz_password, strlen( psz_password ) );
1744 psz_HA1 = psz_md5_hash( &md5 );
1745 if( !psz_HA1 ) goto error;
1747 if( p_auth->psz_algorithm
1748 && !strcmp( p_auth->psz_algorithm, "MD5-sess" ) )
1751 AddMD5( &md5, psz_HA1, 32 );
1753 AddMD5( &md5, ":", 1 );
1754 AddMD5( &md5, p_auth->psz_nonce, strlen( p_auth->psz_nonce ) );
1755 AddMD5( &md5, ":", 1 );
1756 AddMD5( &md5, p_auth->psz_cnonce, strlen( p_auth->psz_cnonce ) );
1759 psz_HA1 = psz_md5_hash( &md5 );
1760 if( !psz_HA1 ) goto error;
1761 p_auth->psz_HA1 = strdup( psz_HA1 );
1762 if( !p_auth->psz_HA1 ) goto error;
1769 AddMD5( &md5, psz_method, strlen( psz_method ) );
1770 AddMD5( &md5, ":", 1 );
1771 if( p_url->psz_path )
1772 AddMD5( &md5, p_url->psz_path, strlen( p_url->psz_path ) );
1774 AddMD5( &md5, "/", 1 );
1775 if( p_auth->psz_qop && !strcmp( p_auth->psz_qop, "auth-int" ) )
1780 AddMD5( &ent, "", 0 ); /* XXX: entity-body. should be ok for GET */
1782 psz_ent = psz_md5_hash( &ent );
1783 if( !psz_ent ) goto error;
1784 AddMD5( &md5, ":", 1 );
1785 AddMD5( &md5, psz_ent, 32 );
1789 psz_HA2 = psz_md5_hash( &md5 );
1790 if( !psz_HA2 ) goto error;
1792 /* Request digest */
1794 AddMD5( &md5, psz_HA1, 32 );
1795 AddMD5( &md5, ":", 1 );
1796 AddMD5( &md5, p_auth->psz_nonce, strlen( p_auth->psz_nonce ) );
1797 AddMD5( &md5, ":", 1 );
1799 && ( !strcmp( p_auth->psz_qop, "auth" )
1800 || !strcmp( p_auth->psz_qop, "auth-int" ) ) )
1803 snprintf( psz_inonce, 9, "%08x", p_auth->i_nonce );
1804 AddMD5( &md5, psz_inonce, 8 );
1805 AddMD5( &md5, ":", 1 );
1806 AddMD5( &md5, p_auth->psz_cnonce, strlen( p_auth->psz_cnonce ) );
1807 AddMD5( &md5, ":", 1 );
1808 AddMD5( &md5, p_auth->psz_qop, strlen( p_auth->psz_qop ) );
1809 AddMD5( &md5, ":", 1 );
1811 AddMD5( &md5, psz_HA2, 32 );
1813 psz_response = psz_md5_hash( &md5 );
1818 return psz_response;
1822 static void AuthReply( access_t *p_access, const char *psz_prefix,
1823 vlc_url_t *p_url, http_auth_t *p_auth )
1825 access_sys_t *p_sys = p_access->p_sys;
1826 v_socket_t *pvs = p_sys->p_vs;
1828 const char *psz_username = p_url->psz_username ?: "";
1829 const char *psz_password = p_url->psz_password ?: "";
1831 if( p_auth->psz_nonce )
1833 /* Digest Access Authentication */
1836 if( p_auth->psz_algorithm
1837 && strcmp( p_auth->psz_algorithm, "MD5" )
1838 && strcmp( p_auth->psz_algorithm, "MD5-sess" ) )
1840 msg_Err( p_access, "Digest Access Authentication: "
1841 "Unknown algorithm '%s'", p_auth->psz_algorithm );
1845 if( p_auth->psz_qop || !p_auth->psz_cnonce )
1847 /* FIXME: needs to be really random to prevent man in the middle
1849 free( p_auth->psz_cnonce );
1850 p_auth->psz_cnonce = strdup( "Some random string FIXME" );
1854 psz_response = AuthDigest( p_access, p_url, p_auth, "GET" );
1855 if( !psz_response ) return;
1857 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs,
1858 "%sAuthorization: Digest "
1859 /* Mandatory parameters */
1865 /* Optional parameters */
1866 "%s%s%s" /* algorithm */
1867 "%s%s%s" /* cnonce */
1868 "%s%s%s" /* opaque */
1869 "%s%s%s" /* message qop */
1870 "%s%08x%s" /* nonce count */
1872 /* Mandatory parameters */
1877 p_url->psz_path ?: "/",
1879 /* Optional parameters */
1880 p_auth->psz_algorithm ? "algorithm=\"" : "",
1881 p_auth->psz_algorithm ?: "",
1882 p_auth->psz_algorithm ? "\", " : "",
1883 p_auth->psz_cnonce ? "cnonce=\"" : "",
1884 p_auth->psz_cnonce ?: "",
1885 p_auth->psz_cnonce ? "\", " : "",
1886 p_auth->psz_opaque ? "opaque=\"" : "",
1887 p_auth->psz_opaque ?: "",
1888 p_auth->psz_opaque ? "\", " : "",
1889 p_auth->psz_qop ? "qop=\"" : "",
1890 p_auth->psz_qop ?: "",
1891 p_auth->psz_qop ? "\", " : "",
1892 p_auth->i_nonce ? "nc=\"" : "uglyhack=\"", /* Will be parsed as an unhandled extension */
1894 p_auth->i_nonce ? "\"" : "\""
1897 free( psz_response );
1901 /* Basic Access Authentication */
1902 char buf[strlen( psz_username ) + strlen( psz_password ) + 2];
1905 snprintf( buf, sizeof( buf ), "%s:%s", psz_username, psz_password );
1906 b64 = vlc_b64_encode( buf );
1910 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs,
1911 "%sAuthorization: Basic %s\r\n", psz_prefix, b64 );
1917 static int AuthCheckReply( access_t *p_access, const char *psz_header,
1918 vlc_url_t *p_url, http_auth_t *p_auth )
1920 int i_ret = VLC_EGENERIC;
1921 char *psz_nextnonce = AuthGetParam( psz_header, "nextnonce" );
1922 char *psz_qop = AuthGetParamNoQuotes( psz_header, "qop" );
1923 char *psz_rspauth = AuthGetParam( psz_header, "rspauth" );
1924 char *psz_cnonce = AuthGetParam( psz_header, "cnonce" );
1925 char *psz_nc = AuthGetParamNoQuotes( psz_header, "nc" );
1931 if( strcmp( psz_cnonce, p_auth->psz_cnonce ) )
1933 msg_Err( p_access, "HTTP Digest Access Authentication: server replied with a different client nonce value." );
1940 i_nonce = strtol( psz_nc, NULL, 16 );
1941 if( i_nonce != p_auth->i_nonce )
1943 msg_Err( p_access, "HTTP Digest Access Authentication: server replied with a different nonce count value." );
1948 if( psz_qop && p_auth->psz_qop && strcmp( psz_qop, p_auth->psz_qop ) )
1949 msg_Warn( p_access, "HTTP Digest Access Authentication: server replied using a different 'quality of protection' option" );
1951 /* All the clear text values match, let's now check the response
1953 psz_digest = AuthDigest( p_access, p_url, p_auth, "" );
1954 if( strcmp( psz_digest, psz_rspauth ) )
1956 msg_Err( p_access, "HTTP Digest Access Authentication: server replied with an invalid response digest (expected value: %s).", psz_digest );
1965 free( p_auth->psz_nonce );
1966 p_auth->psz_nonce = psz_nextnonce;
1967 psz_nextnonce = NULL;
1970 i_ret = VLC_SUCCESS;
1972 free( psz_nextnonce );
1974 free( psz_rspauth );
1981 static void AuthReset( http_auth_t *p_auth )
1983 FREENULL( p_auth->psz_realm );
1984 FREENULL( p_auth->psz_domain );
1985 FREENULL( p_auth->psz_nonce );
1986 FREENULL( p_auth->psz_opaque );
1987 FREENULL( p_auth->psz_stale );
1988 FREENULL( p_auth->psz_algorithm );
1989 FREENULL( p_auth->psz_qop );
1990 p_auth->i_nonce = 0;
1991 FREENULL( p_auth->psz_cnonce );
1992 FREENULL( p_auth->psz_HA1 );