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", true, 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 )
443 Disconnect( p_access );
446 snprintf( psz_msg, 250,
447 _("Please enter a valid login name and a password for realm %s."),
448 p_sys->auth.psz_realm );
449 msg_Dbg( p_access, "authentication failed for realm %s",
450 p_sys->auth.psz_realm );
451 i_ret = intf_UserLoginPassword( p_access, _("HTTP authentication"),
452 psz_msg, &psz_login, &psz_password );
453 if( i_ret == DIALOG_OK_YES )
455 msg_Dbg( p_access, "retrying with user=%s, pwd=%s",
456 psz_login, psz_password );
457 if( psz_login ) p_sys->url.psz_username = strdup( psz_login );
458 if( psz_password ) p_sys->url.psz_password = strdup( psz_password );
460 free( psz_password );
461 Disconnect( p_access );
467 free( psz_password );
472 if( ( p_sys->i_code == 301 || p_sys->i_code == 302 ||
473 p_sys->i_code == 303 || p_sys->i_code == 307 ) &&
474 p_sys->psz_location && *p_sys->psz_location )
476 msg_Dbg( p_access, "redirection to %s", p_sys->psz_location );
478 /* Do not accept redirection outside of HTTP works */
479 if( strncmp( p_sys->psz_location, "http", 4 )
480 || ( ( p_sys->psz_location[4] != ':' ) /* HTTP */
481 && strncmp( p_sys->psz_location + 4, "s:", 2 ) /* HTTP/SSL */ ) )
483 msg_Err( p_access, "insecure redirection ignored" );
486 free( p_access->psz_path );
487 p_access->psz_path = strdup( p_sys->psz_location );
488 /* Clean up current Open() run */
489 vlc_UrlClean( &p_sys->url );
490 AuthReset( &p_sys->auth );
491 vlc_UrlClean( &p_sys->proxy );
492 free( p_sys->psz_proxy_passbuf );
493 AuthReset( &p_sys->proxy_auth );
494 free( p_sys->psz_mime );
495 free( p_sys->psz_pragma );
496 free( p_sys->psz_location );
497 free( p_sys->psz_user_agent );
499 Disconnect( p_access );
500 cookies = p_sys->cookies;
503 /* Do new Open() run with new data */
504 return OpenWithCookies( p_this, cookies );
509 msg_Dbg( p_access, "this is actually a live mms server, BAIL" );
513 if( !strcmp( p_sys->psz_protocol, "ICY" ) || p_sys->b_icecast )
515 if( p_sys->psz_mime && strcasecmp( p_sys->psz_mime, "application/ogg" ) )
517 if( !strcasecmp( p_sys->psz_mime, "video/nsv" ) ||
518 !strcasecmp( p_sys->psz_mime, "video/nsa" ) )
520 free( p_access->psz_demux );
521 p_access->psz_demux = strdup( "nsv" );
523 else if( !strcasecmp( p_sys->psz_mime, "audio/aac" ) ||
524 !strcasecmp( p_sys->psz_mime, "audio/aacp" ) )
526 free( p_access->psz_demux );
527 p_access->psz_demux = strdup( "m4a" );
529 else if( !strcasecmp( p_sys->psz_mime, "audio/mpeg" ) )
531 free( p_access->psz_demux );
532 p_access->psz_demux = strdup( "mp3" );
535 msg_Info( p_access, "Raw-audio server found, %s demuxer selected",
536 p_access->psz_demux );
538 #if 0 /* Doesn't work really well because of the pre-buffering in
539 * shoutcast servers (the buffer content will be sent as fast as
541 p_sys->b_pace_control = false;
544 else if( !p_sys->psz_mime )
546 free( p_access->psz_demux );
548 p_access->psz_demux = strdup( "mp3" );
550 /* else probably Ogg Vorbis */
552 else if( !strcasecmp( p_access->psz_access, "unsv" ) &&
554 !strcasecmp( p_sys->psz_mime, "misc/ultravox" ) )
556 free( p_access->psz_demux );
557 /* Grrrr! detect ultravox server and force NSV demuxer */
558 p_access->psz_demux = strdup( "nsv" );
560 else if( !strcmp( p_access->psz_access, "itpc" ) )
562 free( p_access->psz_demux );
563 p_access->psz_demux = strdup( "podcast" );
565 else if( p_sys->psz_mime &&
566 !strncasecmp( p_sys->psz_mime, "application/xspf+xml", 20 ) &&
567 ( memchr( " ;\t", p_sys->psz_mime[20], 4 ) != NULL ) )
569 free( p_access->psz_demux );
570 p_access->psz_demux = strdup( "xspf-open" );
573 if( p_sys->b_reconnect ) msg_Dbg( p_access, "auto re-connect enabled" );
576 var_Create( p_access, "http-caching", VLC_VAR_INTEGER |VLC_VAR_DOINHERIT );
581 vlc_UrlClean( &p_sys->url );
582 vlc_UrlClean( &p_sys->proxy );
583 free( p_sys->psz_proxy_passbuf );
584 free( p_sys->psz_mime );
585 free( p_sys->psz_pragma );
586 free( p_sys->psz_location );
587 free( p_sys->psz_user_agent );
589 Disconnect( p_access );
594 /*****************************************************************************
596 *****************************************************************************/
597 static void Close( vlc_object_t *p_this )
599 access_t *p_access = (access_t*)p_this;
600 access_sys_t *p_sys = p_access->p_sys;
602 vlc_UrlClean( &p_sys->url );
603 AuthReset( &p_sys->auth );
604 vlc_UrlClean( &p_sys->proxy );
605 AuthReset( &p_sys->proxy_auth );
607 free( p_sys->psz_mime );
608 free( p_sys->psz_pragma );
609 free( p_sys->psz_location );
611 free( p_sys->psz_icy_name );
612 free( p_sys->psz_icy_genre );
613 free( p_sys->psz_icy_title );
615 free( p_sys->psz_user_agent );
617 Disconnect( p_access );
622 for( i = 0; i < vlc_array_count( p_sys->cookies ); i++ )
623 free(vlc_array_item_at_index( p_sys->cookies, i ));
624 vlc_array_destroy( p_sys->cookies );
628 inflateEnd( &p_sys->inflate.stream );
629 free( p_sys->inflate.p_buffer );
635 /*****************************************************************************
636 * Read: Read up to i_len bytes from the http connection and place in
637 * p_buffer. Return the actual number of bytes read
638 *****************************************************************************/
639 static int ReadICYMeta( access_t *p_access );
640 static ssize_t Read( access_t *p_access, uint8_t *p_buffer, size_t i_len )
642 access_sys_t *p_sys = p_access->p_sys;
645 if( p_sys->fd == -1 )
647 p_access->info.b_eof = true;
651 if( p_access->info.i_size >= 0 &&
652 i_len + p_access->info.i_pos > p_access->info.i_size )
654 if( ( i_len = p_access->info.i_size - p_access->info.i_pos ) == 0 )
656 p_access->info.b_eof = true;
661 if( p_sys->b_chunked )
663 if( p_sys->i_chunk < 0 )
665 p_access->info.b_eof = true;
669 if( p_sys->i_chunk <= 0 )
671 char *psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, p_sys->p_vs );
672 /* read the chunk header */
675 /* fatal error - end of file */
676 msg_Dbg( p_access, "failed reading chunk-header line" );
679 p_sys->i_chunk = strtoll( psz, NULL, 16 );
682 if( p_sys->i_chunk <= 0 ) /* eof */
685 p_access->info.b_eof = true;
690 if( i_len > p_sys->i_chunk )
692 i_len = p_sys->i_chunk;
695 else if( p_access->info.i_size != -1 && (int64_t)i_len > p_sys->i_remaining) {
696 /* Only ask for the remaining length */
697 i_len = (size_t)p_sys->i_remaining;
699 p_access->info.b_eof = true;
705 if( p_sys->i_icy_meta > 0 && p_access->info.i_pos-p_sys->i_icy_offset > 0 )
707 int64_t i_next = p_sys->i_icy_meta -
708 (p_access->info.i_pos - p_sys->i_icy_offset ) % p_sys->i_icy_meta;
710 if( i_next == p_sys->i_icy_meta )
712 if( ReadICYMeta( p_access ) )
714 p_access->info.b_eof = true;
722 i_read = net_Read( p_access, p_sys->fd, p_sys->p_vs, p_buffer, i_len, false );
726 p_access->info.i_pos += i_read;
728 if( p_sys->b_chunked )
730 p_sys->i_chunk -= i_read;
731 if( p_sys->i_chunk <= 0 )
733 /* read the empty line */
734 char *psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, p_sys->p_vs );
739 else if( i_read == 0 )
742 * I very much doubt that this will work.
743 * If i_read == 0, the connection *IS* dead, so the only
744 * sensible thing to do is Disconnect() and then retry.
745 * Otherwise, I got recv() completely wrong. -- Courmisch
747 if( p_sys->b_continuous )
749 Request( p_access, 0 );
750 p_sys->b_continuous = false;
751 i_read = Read( p_access, p_buffer, i_len );
752 p_sys->b_continuous = true;
754 Disconnect( p_access );
755 if( p_sys->b_reconnect )
757 msg_Dbg( p_access, "got disconnected, trying to reconnect" );
758 if( Connect( p_access, p_access->info.i_pos ) )
760 msg_Dbg( p_access, "reconnection failed" );
764 p_sys->b_reconnect = false;
765 i_read = Read( p_access, p_buffer, i_len );
766 p_sys->b_reconnect = true;
770 if( i_read == 0 ) p_access->info.b_eof = true;
773 if( p_access->info.i_size != -1 )
775 p_sys->i_remaining -= i_read;
781 static int ReadICYMeta( access_t *p_access )
783 access_sys_t *p_sys = p_access->p_sys;
789 /* Read meta data length */
790 i_read = net_Read( p_access, p_sys->fd, p_sys->p_vs, &buffer, 1,
797 i_read = buffer << 4;
798 /* msg_Dbg( p_access, "ICY meta size=%u", i_read); */
800 psz_meta = malloc( i_read + 1 );
801 if( net_Read( p_access, p_sys->fd, p_sys->p_vs,
802 (uint8_t *)psz_meta, i_read, true ) != i_read )
805 psz_meta[i_read] = '\0'; /* Just in case */
807 /* msg_Dbg( p_access, "icy-meta=%s", psz_meta ); */
809 /* Now parse the meta */
810 /* Look for StreamTitle= */
811 p = strcasestr( (char *)psz_meta, "StreamTitle=" );
814 p += strlen( "StreamTitle=" );
815 if( *p == '\'' || *p == '"' )
817 char closing[] = { p[0], ';', '\0' };
818 char *psz = strstr( &p[1], closing );
820 psz = strchr( &p[1], ';' );
822 if( psz ) *psz = '\0';
826 char *psz = strchr( &p[1], ';' );
827 if( psz ) *psz = '\0';
830 if( !p_sys->psz_icy_title ||
831 strcmp( p_sys->psz_icy_title, &p[1] ) )
833 free( p_sys->psz_icy_title );
834 p_sys->psz_icy_title = EnsureUTF8( strdup( &p[1] ));
835 p_access->info.i_update |= INPUT_UPDATE_META;
837 msg_Dbg( p_access, "New Title=%s", p_sys->psz_icy_title );
846 static ssize_t ReadCompressed( access_t *p_access, uint8_t *p_buffer,
849 access_sys_t *p_sys = p_access->p_sys;
851 if( p_sys->b_compressed )
855 if( !p_sys->inflate.p_buffer )
856 p_sys->inflate.p_buffer = malloc( 256 * 1024 );
858 if( p_sys->inflate.stream.avail_in == 0 )
860 ssize_t i_read = Read( p_access, p_sys->inflate.p_buffer + p_sys->inflate.stream.avail_in, 256 * 1024 );
861 if( i_read <= 0 ) return i_read;
862 p_sys->inflate.stream.next_in = p_sys->inflate.p_buffer;
863 p_sys->inflate.stream.avail_in = i_read;
866 p_sys->inflate.stream.avail_out = i_len;
867 p_sys->inflate.stream.next_out = p_buffer;
869 i_ret = inflate( &p_sys->inflate.stream, Z_SYNC_FLUSH );
870 msg_Warn( p_access, "inflate return value: %d, %s", i_ret, p_sys->inflate.stream.msg );
872 return i_len - p_sys->inflate.stream.avail_out;
876 return Read( p_access, p_buffer, i_len );
881 /*****************************************************************************
882 * Seek: close and re-open a connection at the right place
883 *****************************************************************************/
884 static int Seek( access_t *p_access, int64_t i_pos )
886 msg_Dbg( p_access, "trying to seek to %"PRId64, i_pos );
888 Disconnect( p_access );
890 if( p_access->info.i_size
891 && (uint64_t)i_pos >= (uint64_t)p_access->info.i_size ) {
892 msg_Err( p_access, "seek to far" );
893 int retval = Seek( p_access, p_access->info.i_size - 1 );
894 if( retval == VLC_SUCCESS ) {
896 Read( p_access, p_buffer, 1);
897 p_access->info.b_eof = false;
901 if( Connect( p_access, i_pos ) )
903 msg_Err( p_access, "seek failed" );
904 p_access->info.b_eof = true;
910 /*****************************************************************************
912 *****************************************************************************/
913 static int Control( access_t *p_access, int i_query, va_list args )
915 access_sys_t *p_sys = p_access->p_sys;
924 case ACCESS_CAN_SEEK:
925 pb_bool = (bool*)va_arg( args, bool* );
926 *pb_bool = p_sys->b_seekable;
928 case ACCESS_CAN_FASTSEEK:
929 pb_bool = (bool*)va_arg( args, bool* );
932 case ACCESS_CAN_PAUSE:
933 case ACCESS_CAN_CONTROL_PACE:
934 pb_bool = (bool*)va_arg( args, bool* );
936 #if 0 /* Disable for now until we have a clock synchro algo
937 * which works with something else than MPEG over UDP */
938 *pb_bool = p_sys->b_pace_control;
945 pi_int = (int*)va_arg( args, int * );
949 case ACCESS_GET_PTS_DELAY:
950 pi_64 = (int64_t*)va_arg( args, int64_t * );
951 *pi_64 = (int64_t)var_GetInteger( p_access, "http-caching" ) * 1000;
955 case ACCESS_SET_PAUSE_STATE:
958 case ACCESS_GET_META:
959 p_meta = (vlc_meta_t*)va_arg( args, vlc_meta_t* );
961 if( p_sys->psz_icy_name )
962 vlc_meta_Set( p_meta, vlc_meta_Title, p_sys->psz_icy_name );
963 if( p_sys->psz_icy_genre )
964 vlc_meta_Set( p_meta, vlc_meta_Genre, p_sys->psz_icy_genre );
965 if( p_sys->psz_icy_title )
966 vlc_meta_Set( p_meta, vlc_meta_NowPlaying, p_sys->psz_icy_title );
969 case ACCESS_GET_CONTENT_TYPE:
970 *va_arg( args, char ** ) =
971 p_sys->psz_mime ? strdup( p_sys->psz_mime ) : NULL;
974 case ACCESS_GET_TITLE_INFO:
975 case ACCESS_SET_TITLE:
976 case ACCESS_SET_SEEKPOINT:
977 case ACCESS_SET_PRIVATE_ID_STATE:
981 msg_Warn( p_access, "unimplemented query in control" );
988 /*****************************************************************************
990 *****************************************************************************/
991 static int Connect( access_t *p_access, int64_t i_tell )
993 access_sys_t *p_sys = p_access->p_sys;
994 vlc_url_t srv = p_sys->b_proxy ? p_sys->proxy : p_sys->url;
997 free( p_sys->psz_location );
998 free( p_sys->psz_mime );
999 free( p_sys->psz_pragma );
1001 free( p_sys->psz_icy_genre );
1002 free( p_sys->psz_icy_name );
1003 free( p_sys->psz_icy_title );
1006 p_sys->psz_location = NULL;
1007 p_sys->psz_mime = NULL;
1008 p_sys->psz_pragma = NULL;
1009 p_sys->b_mms = false;
1010 p_sys->b_chunked = false;
1012 p_sys->i_icy_meta = 0;
1013 p_sys->i_icy_offset = i_tell;
1014 p_sys->psz_icy_name = NULL;
1015 p_sys->psz_icy_genre = NULL;
1016 p_sys->psz_icy_title = NULL;
1017 p_sys->i_remaining = 0;
1018 p_sys->b_persist = false;
1020 p_access->info.i_size = -1;
1021 p_access->info.i_pos = i_tell;
1022 p_access->info.b_eof = false;
1024 /* Open connection */
1025 assert( p_sys->fd == -1 ); /* No open sockets (leaking fds is BAD) */
1026 p_sys->fd = net_ConnectTCP( p_access, srv.psz_host, srv.i_port );
1027 if( p_sys->fd == -1 )
1029 msg_Err( p_access, "cannot connect to %s:%d", srv.psz_host, srv.i_port );
1033 /* Initialize TLS/SSL session */
1034 if( p_sys->b_ssl == true )
1036 /* CONNECT to establish TLS tunnel through HTTP proxy */
1037 if( p_sys->b_proxy )
1040 unsigned i_status = 0;
1042 if( p_sys->i_version == 0 )
1044 /* CONNECT is not in HTTP/1.0 */
1045 Disconnect( p_access );
1049 net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL,
1050 "CONNECT %s:%d HTTP/1.%d\r\nHost: %s:%d\r\n\r\n",
1051 p_sys->url.psz_host, p_sys->url.i_port,
1053 p_sys->url.psz_host, p_sys->url.i_port);
1055 psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, NULL );
1058 msg_Err( p_access, "cannot establish HTTP/TLS tunnel" );
1059 Disconnect( p_access );
1063 sscanf( psz, "HTTP/%*u.%*u %3u", &i_status );
1066 if( ( i_status / 100 ) != 2 )
1068 msg_Err( p_access, "HTTP/TLS tunnel through proxy denied" );
1069 Disconnect( p_access );
1075 psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, NULL );
1078 msg_Err( p_access, "HTTP proxy connection failed" );
1079 Disconnect( p_access );
1088 if( !vlc_object_alive (p_access) || p_access->b_error )
1090 Disconnect( p_access );
1097 /* TLS/SSL handshake */
1098 p_sys->p_tls = tls_ClientCreate( VLC_OBJECT(p_access), p_sys->fd,
1100 if( p_sys->p_tls == NULL )
1102 msg_Err( p_access, "cannot establish HTTP/TLS session" );
1103 Disconnect( p_access );
1106 p_sys->p_vs = &p_sys->p_tls->sock;
1109 return Request( p_access, i_tell ) ? -2 : 0;
1113 static int Request( access_t *p_access, int64_t i_tell )
1115 access_sys_t *p_sys = p_access->p_sys;
1117 v_socket_t *pvs = p_sys->p_vs;
1118 p_sys->b_persist = false;
1120 p_sys->i_remaining = 0;
1121 if( p_sys->b_proxy )
1123 if( p_sys->url.psz_path )
1125 net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL,
1126 "GET http://%s:%d%s HTTP/1.%d\r\n",
1127 p_sys->url.psz_host, p_sys->url.i_port,
1128 p_sys->url.psz_path, p_sys->i_version );
1132 net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL,
1133 "GET http://%s:%d/ HTTP/1.%d\r\n",
1134 p_sys->url.psz_host, p_sys->url.i_port,
1140 const char *psz_path = p_sys->url.psz_path;
1141 if( !psz_path || !*psz_path )
1145 if( p_sys->url.i_port != (pvs ? 443 : 80) )
1147 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs,
1148 "GET %s HTTP/1.%d\r\nHost: %s:%d\r\n",
1149 psz_path, p_sys->i_version, p_sys->url.psz_host,
1150 p_sys->url.i_port );
1154 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs,
1155 "GET %s HTTP/1.%d\r\nHost: %s\r\n",
1156 psz_path, p_sys->i_version, p_sys->url.psz_host );
1160 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs, "User-Agent: %s\r\n",
1161 p_sys->psz_user_agent );
1163 if( p_sys->i_version == 1 && ! p_sys->b_continuous )
1165 p_sys->b_persist = true;
1166 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs,
1167 "Range: bytes=%"PRIu64"-\r\n", i_tell );
1171 if( p_sys->cookies )
1174 for( i = 0; i < vlc_array_count( p_sys->cookies ); i++ )
1176 const char * cookie = vlc_array_item_at_index( p_sys->cookies, i );
1177 char * psz_cookie_content = cookie_get_content( cookie );
1178 char * psz_cookie_domain = cookie_get_domain( cookie );
1180 assert( psz_cookie_content );
1182 /* FIXME: This is clearly not conforming to the rfc */
1183 bool is_in_right_domain = (!psz_cookie_domain || strstr( p_sys->url.psz_host, psz_cookie_domain ));
1185 if( is_in_right_domain )
1187 msg_Dbg( p_access, "Sending Cookie %s", psz_cookie_content );
1188 if( net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs, "Cookie: %s\r\n", psz_cookie_content ) < 0 )
1189 msg_Err( p_access, "failed to send Cookie" );
1191 free( psz_cookie_content );
1192 free( psz_cookie_domain );
1196 /* Authentication */
1197 if( p_sys->url.psz_username || p_sys->url.psz_password )
1198 AuthReply( p_access, "", &p_sys->url, &p_sys->auth );
1200 /* Proxy Authentication */
1201 if( p_sys->proxy.psz_username || p_sys->proxy.psz_password )
1202 AuthReply( p_access, "Proxy-", &p_sys->proxy, &p_sys->proxy_auth );
1204 /* ICY meta data request */
1205 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs, "Icy-MetaData: 1\r\n" );
1208 if( net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs, "\r\n" ) < 0 )
1210 msg_Err( p_access, "failed to send request" );
1211 Disconnect( p_access );
1212 return VLC_EGENERIC;
1216 if( ( psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, pvs ) ) == NULL )
1218 msg_Err( p_access, "failed to read answer" );
1221 if( !strncmp( psz, "HTTP/1.", 7 ) )
1223 p_sys->psz_protocol = "HTTP";
1224 p_sys->i_code = atoi( &psz[9] );
1226 else if( !strncmp( psz, "ICY", 3 ) )
1228 p_sys->psz_protocol = "ICY";
1229 p_sys->i_code = atoi( &psz[4] );
1230 p_sys->b_reconnect = true;
1234 msg_Err( p_access, "invalid HTTP reply '%s'", psz );
1238 msg_Dbg( p_access, "protocol '%s' answer code %d",
1239 p_sys->psz_protocol, p_sys->i_code );
1240 if( !strcmp( p_sys->psz_protocol, "ICY" ) )
1242 p_sys->b_seekable = false;
1244 if( p_sys->i_code != 206 && p_sys->i_code != 401 )
1246 p_sys->b_seekable = false;
1248 /* Authentication error - We'll have to display the dialog */
1249 if( p_sys->i_code == 401 )
1253 /* Other fatal error */
1254 else if( p_sys->i_code >= 400 )
1256 msg_Err( p_access, "error: %s", psz );
1264 char *psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, pvs );
1269 msg_Err( p_access, "failed to read answer" );
1273 if( !vlc_object_alive (p_access) || p_access->b_error )
1279 /* msg_Dbg( p_input, "Line=%s", psz ); */
1286 if( ( p = strchr( psz, ':' ) ) == NULL )
1288 msg_Err( p_access, "malformed header line: %s", psz );
1293 while( *p == ' ' ) p++;
1295 if( !strcasecmp( psz, "Content-Length" ) )
1297 int64_t i_size = i_tell + (p_sys->i_remaining = atoll( p ));
1298 if(i_size > p_access->info.i_size) {
1299 p_access->info.i_size = i_size;
1301 msg_Dbg( p_access, "this frame size=%"PRId64, p_sys->i_remaining );
1303 else if( !strcasecmp( psz, "Content-Range" ) ) {
1304 int64_t i_ntell = i_tell;
1305 int64_t i_nend = (p_access->info.i_size > 0)?(p_access->info.i_size - 1):i_tell;
1306 int64_t i_nsize = p_access->info.i_size;
1307 sscanf(p,"bytes %"PRId64"-%"PRId64"/%"PRId64,&i_ntell,&i_nend,&i_nsize);
1308 if(i_nend > i_ntell ) {
1309 p_access->info.i_pos = i_ntell;
1310 p_sys->i_remaining = i_nend+1-i_ntell;
1311 int64_t i_size = (i_nsize > i_nend) ? i_nsize : (i_nend + 1);
1312 if(i_size > p_access->info.i_size) {
1313 p_access->info.i_size = i_size;
1315 msg_Dbg( p_access, "stream size=%"PRId64",pos=%"PRId64",remaining=%"PRId64,i_nsize,i_ntell,p_sys->i_remaining);
1318 else if( !strcasecmp( psz, "Connection" ) ) {
1319 msg_Dbg( p_access, "Connection: %s",p );
1321 sscanf(p, "close%n",&i);
1323 p_sys->b_persist = false;
1326 else if( !strcasecmp( psz, "Location" ) )
1330 /* This does not follow RFC 2068, but yet if the url is not absolute,
1331 * handle it as everyone does. */
1334 const char *psz_http_ext = p_sys->b_ssl ? "s" : "" ;
1336 if( p_sys->url.i_port == ( p_sys->b_ssl ? 443 : 80 ) )
1338 if( asprintf(&psz_new_loc, "http%s://%s%s", psz_http_ext,
1339 p_sys->url.psz_host, p) < 0 )
1344 if( asprintf(&psz_new_loc, "http%s://%s:%d%s", psz_http_ext,
1345 p_sys->url.psz_host, p_sys->url.i_port, p) < 0 )
1351 psz_new_loc = strdup( p );
1354 free( p_sys->psz_location );
1355 p_sys->psz_location = psz_new_loc;
1357 else if( !strcasecmp( psz, "Content-Type" ) )
1359 free( p_sys->psz_mime );
1360 p_sys->psz_mime = strdup( p );
1361 msg_Dbg( p_access, "Content-Type: %s", p_sys->psz_mime );
1363 else if( !strcasecmp( psz, "Content-Encoding" ) )
1365 msg_Dbg( p_access, "Content-Encoding: %s", p );
1366 if( strcasecmp( p, "identity" ) )
1368 p_sys->b_compressed = true;
1370 msg_Warn( p_access, "Compressed content not supported. Rebuild with zlib support." );
1373 else if( !strcasecmp( psz, "Pragma" ) )
1375 if( !strcasecmp( psz, "Pragma: features" ) )
1376 p_sys->b_mms = true;
1377 free( p_sys->psz_pragma );
1378 p_sys->psz_pragma = strdup( p );
1379 msg_Dbg( p_access, "Pragma: %s", p_sys->psz_pragma );
1381 else if( !strcasecmp( psz, "Server" ) )
1383 msg_Dbg( p_access, "Server: %s", p );
1384 if( !strncasecmp( p, "Icecast", 7 ) ||
1385 !strncasecmp( p, "Nanocaster", 10 ) )
1387 /* Remember if this is Icecast
1388 * we need to force demux in this case without breaking
1391 /* Let live 365 streams (nanocaster) piggyback on the icecast
1392 * routine. They look very similar */
1394 p_sys->b_reconnect = true;
1395 p_sys->b_pace_control = false;
1396 p_sys->b_icecast = true;
1399 else if( !strcasecmp( psz, "Transfer-Encoding" ) )
1401 msg_Dbg( p_access, "Transfer-Encoding: %s", p );
1402 if( !strncasecmp( p, "chunked", 7 ) )
1404 p_sys->b_chunked = true;
1407 else if( !strcasecmp( psz, "Icy-MetaInt" ) )
1409 msg_Dbg( p_access, "Icy-MetaInt: %s", p );
1410 p_sys->i_icy_meta = atoi( p );
1411 if( p_sys->i_icy_meta < 0 )
1412 p_sys->i_icy_meta = 0;
1414 msg_Warn( p_access, "ICY metaint=%d", p_sys->i_icy_meta );
1416 else if( !strcasecmp( psz, "Icy-Name" ) )
1418 free( p_sys->psz_icy_name );
1419 p_sys->psz_icy_name = EnsureUTF8( strdup( p ));
1420 msg_Dbg( p_access, "Icy-Name: %s", p_sys->psz_icy_name );
1422 p_sys->b_icecast = true; /* be on the safeside. set it here as well. */
1423 p_sys->b_reconnect = true;
1424 p_sys->b_pace_control = false;
1426 else if( !strcasecmp( psz, "Icy-Genre" ) )
1428 free( p_sys->psz_icy_genre );
1429 p_sys->psz_icy_genre = EnsureUTF8( strdup( p ));
1430 msg_Dbg( p_access, "Icy-Genre: %s", p_sys->psz_icy_genre );
1432 else if( !strncasecmp( psz, "Icy-Notice", 10 ) )
1434 msg_Dbg( p_access, "Icy-Notice: %s", p );
1436 else if( !strncasecmp( psz, "icy-", 4 ) ||
1437 !strncasecmp( psz, "ice-", 4 ) ||
1438 !strncasecmp( psz, "x-audiocast", 11 ) )
1440 msg_Dbg( p_access, "Meta-Info: %s: %s", psz, p );
1442 else if( !strcasecmp( psz, "Set-Cookie" ) )
1444 if( p_sys->cookies )
1446 msg_Dbg( p_access, "Accepting Cookie: %s", p );
1447 cookie_append( p_sys->cookies, strdup(p) );
1450 msg_Dbg( p_access, "We have a Cookie we won't remember: %s", p );
1452 else if( !strcasecmp( psz, "www-authenticate" ) )
1454 msg_Dbg( p_access, "Authentication header: %s", p );
1455 AuthParseHeader( p_access, p, &p_sys->auth );
1457 else if( !strcasecmp( psz, "proxy-authenticate" ) )
1459 msg_Dbg( p_access, "Proxy authentication header: %s", p );
1460 AuthParseHeader( p_access, p, &p_sys->proxy_auth );
1462 else if( !strcasecmp( psz, "authentication-info" ) )
1464 msg_Dbg( p_access, "Authentication Info header: %s", p );
1465 if( AuthCheckReply( p_access, p, &p_sys->url, &p_sys->auth ) )
1468 else if( !strcasecmp( psz, "proxy-authentication-info" ) )
1470 msg_Dbg( p_access, "Proxy Authentication Info header: %s", p );
1471 if( AuthCheckReply( p_access, p, &p_sys->proxy, &p_sys->proxy_auth ) )
1477 /* We close the stream for zero length data, unless of course the
1478 * server has already promised to do this for us.
1480 if( p_access->info.i_size != -1 && p_sys->i_remaining == 0 && p_sys->b_persist ) {
1481 Disconnect( p_access );
1486 Disconnect( p_access );
1487 return VLC_EGENERIC;
1490 /*****************************************************************************
1492 *****************************************************************************/
1493 static void Disconnect( access_t *p_access )
1495 access_sys_t *p_sys = p_access->p_sys;
1497 if( p_sys->p_tls != NULL)
1499 tls_ClientDelete( p_sys->p_tls );
1500 p_sys->p_tls = NULL;
1503 if( p_sys->fd != -1)
1505 net_Close(p_sys->fd);
1511 /*****************************************************************************
1512 * Cookies (FIXME: we may want to rewrite that using a nice structure to hold
1513 * them) (FIXME: only support the "domain=" param)
1514 *****************************************************************************/
1516 /* Get the NAME=VALUE part of the Cookie */
1517 static char * cookie_get_content( const char * cookie )
1519 char * ret = strdup( cookie );
1520 if( !ret ) return NULL;
1522 /* Look for a ';' */
1523 while( *str && *str != ';' ) str++;
1524 /* Replace it by a end-char */
1525 if( *str == ';' ) *str = 0;
1529 /* Get the domain where the cookie is stored */
1530 static char * cookie_get_domain( const char * cookie )
1532 const char * str = cookie;
1533 static const char domain[] = "domain=";
1536 /* Look for a ';' */
1539 if( !strncmp( str, domain, sizeof(domain) - 1 /* minus \0 */ ) )
1541 str += sizeof(domain) - 1 /* minus \0 */;
1542 char * ret = strdup( str );
1543 /* Now remove the next ';' if present */
1544 char * ret_iter = ret;
1545 while( *ret_iter && *ret_iter != ';' ) ret_iter++;
1546 if( *ret_iter == ';' )
1550 /* Go to next ';' field */
1551 while( *str && *str != ';' ) str++;
1552 if( *str == ';' ) str++;
1554 while( *str && *str == ' ' ) str++;
1559 /* Get NAME in the NAME=VALUE field */
1560 static char * cookie_get_name( const char * cookie )
1562 char * ret = cookie_get_content( cookie ); /* NAME=VALUE */
1563 if( !ret ) return NULL;
1565 while( *str && *str != '=' ) str++;
1570 /* Add a cookie in cookies, checking to see how it should be added */
1571 static void cookie_append( vlc_array_t * cookies, char * cookie )
1578 char * cookie_name = cookie_get_name( cookie );
1580 /* Don't send invalid cookies */
1584 char * cookie_domain = cookie_get_domain( cookie );
1585 for( i = 0; i < vlc_array_count( cookies ); i++ )
1587 char * current_cookie = vlc_array_item_at_index( cookies, i );
1588 char * current_cookie_name = cookie_get_name( current_cookie );
1589 char * current_cookie_domain = cookie_get_domain( current_cookie );
1591 assert( current_cookie_name );
1593 bool is_domain_matching = ( cookie_domain && current_cookie_domain &&
1594 !strcmp( cookie_domain, current_cookie_domain ) );
1596 if( is_domain_matching && !strcmp( cookie_name, current_cookie_name ) )
1598 /* Remove previous value for this cookie */
1599 free( current_cookie );
1600 vlc_array_remove( cookies, i );
1603 free( current_cookie_name );
1604 free( current_cookie_domain );
1607 free( current_cookie_name );
1608 free( current_cookie_domain );
1610 free( cookie_name );
1611 free( cookie_domain );
1612 vlc_array_append( cookies, cookie );
1615 /*****************************************************************************
1616 * "RFC 2617: Basic and Digest Access Authentication" header parsing
1617 *****************************************************************************/
1618 static char *AuthGetParam( const char *psz_header, const char *psz_param )
1620 char psz_what[strlen(psz_param)+3];
1621 sprintf( psz_what, "%s=\"", psz_param );
1622 psz_header = strstr( psz_header, psz_what );
1625 const char *psz_end;
1626 psz_header += strlen( psz_what );
1627 psz_end = strchr( psz_header, '"' );
1628 if( !psz_end ) /* Invalid since we should have a closing quote */
1629 return strdup( psz_header );
1630 return strndup( psz_header, psz_end - psz_header );
1638 static char *AuthGetParamNoQuotes( const char *psz_header, const char *psz_param )
1640 char psz_what[strlen(psz_param)+2];
1641 sprintf( psz_what, "%s=", psz_param );
1642 psz_header = strstr( psz_header, psz_what );
1645 const char *psz_end;
1646 psz_header += strlen( psz_what );
1647 psz_end = strchr( psz_header, ',' );
1648 /* XXX: Do we need to filter out trailing space between the value and
1649 * the comma/end of line? */
1650 if( !psz_end ) /* Can be valid if this is the last parameter */
1651 return strdup( psz_header );
1652 return strndup( psz_header, psz_end - psz_header );
1660 static void AuthParseHeader( access_t *p_access, const char *psz_header,
1661 http_auth_t *p_auth )
1663 /* FIXME: multiple auth methods can be listed (comma seperated) */
1665 /* 2 Basic Authentication Scheme */
1666 if( !strncasecmp( psz_header, "Basic ", strlen( "Basic " ) ) )
1668 msg_Dbg( p_access, "Using Basic Authentication" );
1669 psz_header += strlen( "Basic " );
1670 p_auth->psz_realm = AuthGetParam( psz_header, "realm" );
1671 if( !p_auth->psz_realm )
1672 msg_Warn( p_access, "Basic Authentication: "
1673 "Mandatory 'realm' parameter is missing" );
1675 /* 3 Digest Access Authentication Scheme */
1676 else if( !strncasecmp( psz_header, "Digest ", strlen( "Digest " ) ) )
1678 msg_Dbg( p_access, "Using Digest Access Authentication" );
1679 if( p_auth->psz_nonce ) return; /* FIXME */
1680 psz_header += strlen( "Digest " );
1681 p_auth->psz_realm = AuthGetParam( psz_header, "realm" );
1682 p_auth->psz_domain = AuthGetParam( psz_header, "domain" );
1683 p_auth->psz_nonce = AuthGetParam( psz_header, "nonce" );
1684 p_auth->psz_opaque = AuthGetParam( psz_header, "opaque" );
1685 p_auth->psz_stale = AuthGetParamNoQuotes( psz_header, "stale" );
1686 p_auth->psz_algorithm = AuthGetParamNoQuotes( psz_header, "algorithm" );
1687 p_auth->psz_qop = AuthGetParam( psz_header, "qop" );
1688 p_auth->i_nonce = 0;
1689 /* printf("realm: |%s|\ndomain: |%s|\nnonce: |%s|\nopaque: |%s|\n"
1690 "stale: |%s|\nalgorithm: |%s|\nqop: |%s|\n",
1691 p_auth->psz_realm,p_auth->psz_domain,p_auth->psz_nonce,
1692 p_auth->psz_opaque,p_auth->psz_stale,p_auth->psz_algorithm,
1693 p_auth->psz_qop); */
1694 if( !p_auth->psz_realm )
1695 msg_Warn( p_access, "Digest Access Authentication: "
1696 "Mandatory 'realm' parameter is missing" );
1697 if( !p_auth->psz_nonce )
1698 msg_Warn( p_access, "Digest Access Authentication: "
1699 "Mandatory 'nonce' parameter is missing" );
1700 if( p_auth->psz_qop ) /* FIXME: parse the qop list */
1702 char *psz_tmp = strchr( p_auth->psz_qop, ',' );
1703 if( psz_tmp ) *psz_tmp = '\0';
1708 const char *psz_end = strchr( psz_header, ' ' );
1710 msg_Warn( p_access, "Unknown authentication scheme: '%*s'",
1711 psz_end - psz_header, psz_header );
1713 msg_Warn( p_access, "Unknown authentication scheme: '%s'",
1718 static char *AuthDigest( access_t *p_access, vlc_url_t *p_url,
1719 http_auth_t *p_auth, const char *psz_method )
1722 const char *psz_username = p_url->psz_username ?: "";
1723 const char *psz_password = p_url->psz_password ?: "";
1725 char *psz_HA1 = NULL;
1726 char *psz_HA2 = NULL;
1727 char *psz_response = NULL;
1731 if( p_auth->psz_HA1 )
1733 psz_HA1 = strdup( p_auth->psz_HA1 );
1734 if( !psz_HA1 ) goto error;
1739 AddMD5( &md5, psz_username, strlen( psz_username ) );
1740 AddMD5( &md5, ":", 1 );
1741 AddMD5( &md5, p_auth->psz_realm, strlen( p_auth->psz_realm ) );
1742 AddMD5( &md5, ":", 1 );
1743 AddMD5( &md5, psz_password, strlen( psz_password ) );
1746 psz_HA1 = psz_md5_hash( &md5 );
1747 if( !psz_HA1 ) goto error;
1749 if( p_auth->psz_algorithm
1750 && !strcmp( p_auth->psz_algorithm, "MD5-sess" ) )
1753 AddMD5( &md5, psz_HA1, 32 );
1755 AddMD5( &md5, ":", 1 );
1756 AddMD5( &md5, p_auth->psz_nonce, strlen( p_auth->psz_nonce ) );
1757 AddMD5( &md5, ":", 1 );
1758 AddMD5( &md5, p_auth->psz_cnonce, strlen( p_auth->psz_cnonce ) );
1761 psz_HA1 = psz_md5_hash( &md5 );
1762 if( !psz_HA1 ) goto error;
1763 p_auth->psz_HA1 = strdup( psz_HA1 );
1764 if( !p_auth->psz_HA1 ) goto error;
1771 AddMD5( &md5, psz_method, strlen( psz_method ) );
1772 AddMD5( &md5, ":", 1 );
1773 if( p_url->psz_path )
1774 AddMD5( &md5, p_url->psz_path, strlen( p_url->psz_path ) );
1776 AddMD5( &md5, "/", 1 );
1777 if( p_auth->psz_qop && !strcmp( p_auth->psz_qop, "auth-int" ) )
1782 AddMD5( &ent, "", 0 ); /* XXX: entity-body. should be ok for GET */
1784 psz_ent = psz_md5_hash( &ent );
1785 if( !psz_ent ) goto error;
1786 AddMD5( &md5, ":", 1 );
1787 AddMD5( &md5, psz_ent, 32 );
1791 psz_HA2 = psz_md5_hash( &md5 );
1792 if( !psz_HA2 ) goto error;
1794 /* Request digest */
1796 AddMD5( &md5, psz_HA1, 32 );
1797 AddMD5( &md5, ":", 1 );
1798 AddMD5( &md5, p_auth->psz_nonce, strlen( p_auth->psz_nonce ) );
1799 AddMD5( &md5, ":", 1 );
1801 && ( !strcmp( p_auth->psz_qop, "auth" )
1802 || !strcmp( p_auth->psz_qop, "auth-int" ) ) )
1805 snprintf( psz_inonce, 9, "%08x", p_auth->i_nonce );
1806 AddMD5( &md5, psz_inonce, 8 );
1807 AddMD5( &md5, ":", 1 );
1808 AddMD5( &md5, p_auth->psz_cnonce, strlen( p_auth->psz_cnonce ) );
1809 AddMD5( &md5, ":", 1 );
1810 AddMD5( &md5, p_auth->psz_qop, strlen( p_auth->psz_qop ) );
1811 AddMD5( &md5, ":", 1 );
1813 AddMD5( &md5, psz_HA2, 32 );
1815 psz_response = psz_md5_hash( &md5 );
1820 return psz_response;
1824 static void AuthReply( access_t *p_access, const char *psz_prefix,
1825 vlc_url_t *p_url, http_auth_t *p_auth )
1827 access_sys_t *p_sys = p_access->p_sys;
1828 v_socket_t *pvs = p_sys->p_vs;
1830 const char *psz_username = p_url->psz_username ?: "";
1831 const char *psz_password = p_url->psz_password ?: "";
1833 if( p_auth->psz_nonce )
1835 /* Digest Access Authentication */
1838 if( p_auth->psz_algorithm
1839 && strcmp( p_auth->psz_algorithm, "MD5" )
1840 && strcmp( p_auth->psz_algorithm, "MD5-sess" ) )
1842 msg_Err( p_access, "Digest Access Authentication: "
1843 "Unknown algorithm '%s'", p_auth->psz_algorithm );
1847 if( p_auth->psz_qop || !p_auth->psz_cnonce )
1849 /* FIXME: needs to be really random to prevent man in the middle
1851 free( p_auth->psz_cnonce );
1852 p_auth->psz_cnonce = strdup( "Some random string FIXME" );
1856 psz_response = AuthDigest( p_access, p_url, p_auth, "GET" );
1857 if( !psz_response ) return;
1859 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs,
1860 "%sAuthorization: Digest "
1861 /* Mandatory parameters */
1867 /* Optional parameters */
1868 "%s%s%s" /* algorithm */
1869 "%s%s%s" /* cnonce */
1870 "%s%s%s" /* opaque */
1871 "%s%s%s" /* message qop */
1872 "%s%08x%s" /* nonce count */
1874 /* Mandatory parameters */
1879 p_url->psz_path ?: "/",
1881 /* Optional parameters */
1882 p_auth->psz_algorithm ? "algorithm=\"" : "",
1883 p_auth->psz_algorithm ?: "",
1884 p_auth->psz_algorithm ? "\", " : "",
1885 p_auth->psz_cnonce ? "cnonce=\"" : "",
1886 p_auth->psz_cnonce ?: "",
1887 p_auth->psz_cnonce ? "\", " : "",
1888 p_auth->psz_opaque ? "opaque=\"" : "",
1889 p_auth->psz_opaque ?: "",
1890 p_auth->psz_opaque ? "\", " : "",
1891 p_auth->psz_qop ? "qop=\"" : "",
1892 p_auth->psz_qop ?: "",
1893 p_auth->psz_qop ? "\", " : "",
1894 p_auth->i_nonce ? "nc=\"" : "uglyhack=\"", /* Will be parsed as an unhandled extension */
1896 p_auth->i_nonce ? "\"" : "\""
1899 free( psz_response );
1903 /* Basic Access Authentication */
1904 char buf[strlen( psz_username ) + strlen( psz_password ) + 2];
1907 snprintf( buf, sizeof( buf ), "%s:%s", psz_username, psz_password );
1908 b64 = vlc_b64_encode( buf );
1912 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs,
1913 "%sAuthorization: Basic %s\r\n", psz_prefix, b64 );
1919 static int AuthCheckReply( access_t *p_access, const char *psz_header,
1920 vlc_url_t *p_url, http_auth_t *p_auth )
1922 int i_ret = VLC_EGENERIC;
1923 char *psz_nextnonce = AuthGetParam( psz_header, "nextnonce" );
1924 char *psz_qop = AuthGetParamNoQuotes( psz_header, "qop" );
1925 char *psz_rspauth = AuthGetParam( psz_header, "rspauth" );
1926 char *psz_cnonce = AuthGetParam( psz_header, "cnonce" );
1927 char *psz_nc = AuthGetParamNoQuotes( psz_header, "nc" );
1933 if( strcmp( psz_cnonce, p_auth->psz_cnonce ) )
1935 msg_Err( p_access, "HTTP Digest Access Authentication: server replied with a different client nonce value." );
1942 i_nonce = strtol( psz_nc, NULL, 16 );
1943 if( i_nonce != p_auth->i_nonce )
1945 msg_Err( p_access, "HTTP Digest Access Authentication: server replied with a different nonce count value." );
1950 if( psz_qop && p_auth->psz_qop && strcmp( psz_qop, p_auth->psz_qop ) )
1951 msg_Warn( p_access, "HTTP Digest Access Authentication: server replied using a different 'quality of protection' option" );
1953 /* All the clear text values match, let's now check the response
1955 psz_digest = AuthDigest( p_access, p_url, p_auth, "" );
1956 if( strcmp( psz_digest, psz_rspauth ) )
1958 msg_Err( p_access, "HTTP Digest Access Authentication: server replied with an invalid response digest (expected value: %s).", psz_digest );
1967 free( p_auth->psz_nonce );
1968 p_auth->psz_nonce = psz_nextnonce;
1969 psz_nextnonce = NULL;
1972 i_ret = VLC_SUCCESS;
1974 free( psz_nextnonce );
1976 free( psz_rspauth );
1983 static void AuthReset( http_auth_t *p_auth )
1985 FREENULL( p_auth->psz_realm );
1986 FREENULL( p_auth->psz_domain );
1987 FREENULL( p_auth->psz_nonce );
1988 FREENULL( p_auth->psz_opaque );
1989 FREENULL( p_auth->psz_stale );
1990 FREENULL( p_auth->psz_algorithm );
1991 FREENULL( p_auth->psz_qop );
1992 p_auth->i_nonce = 0;
1993 FREENULL( p_auth->psz_cnonce );
1994 FREENULL( p_auth->psz_HA1 );