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_dialog.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, *psz_password;
439 if( p_sys->url.psz_username && p_sys->url.psz_password &&
440 p_sys->auth.psz_nonce && p_sys->auth.i_nonce == 0 )
442 Disconnect( p_access );
445 msg_Dbg( p_access, "authentication failed for realm %s",
446 p_sys->auth.psz_realm );
447 dialog_Login( p_access, &psz_login, &psz_password,
448 _("HTTP authentication"),
449 _("Please enter a valid login name and a password for realm %s."),
450 p_sys->auth.psz_realm );
451 if( psz_login != NULL && psz_password != NULL )
453 msg_Dbg( p_access, "retrying with user=%s, pwd=%s",
454 psz_login, psz_password );
455 p_sys->url.psz_username = psz_login;
456 p_sys->url.psz_password = psz_password;
457 Disconnect( p_access );
463 free( psz_password );
468 if( ( p_sys->i_code == 301 || p_sys->i_code == 302 ||
469 p_sys->i_code == 303 || p_sys->i_code == 307 ) &&
470 p_sys->psz_location && *p_sys->psz_location )
472 msg_Dbg( p_access, "redirection to %s", p_sys->psz_location );
474 /* Do not accept redirection outside of HTTP works */
475 if( strncmp( p_sys->psz_location, "http", 4 )
476 || ( ( p_sys->psz_location[4] != ':' ) /* HTTP */
477 && strncmp( p_sys->psz_location + 4, "s:", 2 ) /* HTTP/SSL */ ) )
479 msg_Err( p_access, "insecure redirection ignored" );
482 free( p_access->psz_path );
483 p_access->psz_path = strdup( p_sys->psz_location );
484 /* Clean up current Open() run */
485 vlc_UrlClean( &p_sys->url );
486 AuthReset( &p_sys->auth );
487 vlc_UrlClean( &p_sys->proxy );
488 free( p_sys->psz_proxy_passbuf );
489 AuthReset( &p_sys->proxy_auth );
490 free( p_sys->psz_mime );
491 free( p_sys->psz_pragma );
492 free( p_sys->psz_location );
493 free( p_sys->psz_user_agent );
495 Disconnect( p_access );
496 cookies = p_sys->cookies;
499 /* Do new Open() run with new data */
500 return OpenWithCookies( p_this, cookies );
505 msg_Dbg( p_access, "this is actually a live mms server, BAIL" );
509 if( !strcmp( p_sys->psz_protocol, "ICY" ) || p_sys->b_icecast )
511 if( p_sys->psz_mime && strcasecmp( p_sys->psz_mime, "application/ogg" ) )
513 if( !strcasecmp( p_sys->psz_mime, "video/nsv" ) ||
514 !strcasecmp( p_sys->psz_mime, "video/nsa" ) )
516 free( p_access->psz_demux );
517 p_access->psz_demux = strdup( "nsv" );
519 else if( !strcasecmp( p_sys->psz_mime, "audio/aac" ) ||
520 !strcasecmp( p_sys->psz_mime, "audio/aacp" ) )
522 free( p_access->psz_demux );
523 p_access->psz_demux = strdup( "m4a" );
525 else if( !strcasecmp( p_sys->psz_mime, "audio/mpeg" ) )
527 free( p_access->psz_demux );
528 p_access->psz_demux = strdup( "mp3" );
531 msg_Info( p_access, "Raw-audio server found, %s demuxer selected",
532 p_access->psz_demux );
534 #if 0 /* Doesn't work really well because of the pre-buffering in
535 * shoutcast servers (the buffer content will be sent as fast as
537 p_sys->b_pace_control = false;
540 else if( !p_sys->psz_mime )
542 free( p_access->psz_demux );
544 p_access->psz_demux = strdup( "mp3" );
546 /* else probably Ogg Vorbis */
548 else if( !strcasecmp( p_access->psz_access, "unsv" ) &&
550 !strcasecmp( p_sys->psz_mime, "misc/ultravox" ) )
552 free( p_access->psz_demux );
553 /* Grrrr! detect ultravox server and force NSV demuxer */
554 p_access->psz_demux = strdup( "nsv" );
556 else if( !strcmp( p_access->psz_access, "itpc" ) )
558 free( p_access->psz_demux );
559 p_access->psz_demux = strdup( "podcast" );
561 else if( p_sys->psz_mime &&
562 !strncasecmp( p_sys->psz_mime, "application/xspf+xml", 20 ) &&
563 ( memchr( " ;\t", p_sys->psz_mime[20], 4 ) != NULL ) )
565 free( p_access->psz_demux );
566 p_access->psz_demux = strdup( "xspf-open" );
569 if( p_sys->b_reconnect ) msg_Dbg( p_access, "auto re-connect enabled" );
572 var_Create( p_access, "http-caching", VLC_VAR_INTEGER |VLC_VAR_DOINHERIT );
577 vlc_UrlClean( &p_sys->url );
578 vlc_UrlClean( &p_sys->proxy );
579 free( p_sys->psz_proxy_passbuf );
580 free( p_sys->psz_mime );
581 free( p_sys->psz_pragma );
582 free( p_sys->psz_location );
583 free( p_sys->psz_user_agent );
585 Disconnect( p_access );
590 /*****************************************************************************
592 *****************************************************************************/
593 static void Close( vlc_object_t *p_this )
595 access_t *p_access = (access_t*)p_this;
596 access_sys_t *p_sys = p_access->p_sys;
598 vlc_UrlClean( &p_sys->url );
599 AuthReset( &p_sys->auth );
600 vlc_UrlClean( &p_sys->proxy );
601 AuthReset( &p_sys->proxy_auth );
603 free( p_sys->psz_mime );
604 free( p_sys->psz_pragma );
605 free( p_sys->psz_location );
607 free( p_sys->psz_icy_name );
608 free( p_sys->psz_icy_genre );
609 free( p_sys->psz_icy_title );
611 free( p_sys->psz_user_agent );
613 Disconnect( p_access );
618 for( i = 0; i < vlc_array_count( p_sys->cookies ); i++ )
619 free(vlc_array_item_at_index( p_sys->cookies, i ));
620 vlc_array_destroy( p_sys->cookies );
624 inflateEnd( &p_sys->inflate.stream );
625 free( p_sys->inflate.p_buffer );
631 /*****************************************************************************
632 * Read: Read up to i_len bytes from the http connection and place in
633 * p_buffer. Return the actual number of bytes read
634 *****************************************************************************/
635 static int ReadICYMeta( access_t *p_access );
636 static ssize_t Read( access_t *p_access, uint8_t *p_buffer, size_t i_len )
638 access_sys_t *p_sys = p_access->p_sys;
641 if( p_sys->fd == -1 )
643 p_access->info.b_eof = true;
647 if( p_access->info.i_size >= 0 &&
648 i_len + p_access->info.i_pos > p_access->info.i_size )
650 if( ( i_len = p_access->info.i_size - p_access->info.i_pos ) == 0 )
652 p_access->info.b_eof = true;
657 if( p_sys->b_chunked )
659 if( p_sys->i_chunk < 0 )
661 p_access->info.b_eof = true;
665 if( p_sys->i_chunk <= 0 )
667 char *psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, p_sys->p_vs );
668 /* read the chunk header */
671 /* fatal error - end of file */
672 msg_Dbg( p_access, "failed reading chunk-header line" );
675 p_sys->i_chunk = strtoll( psz, NULL, 16 );
678 if( p_sys->i_chunk <= 0 ) /* eof */
681 p_access->info.b_eof = true;
686 if( i_len > p_sys->i_chunk )
688 i_len = p_sys->i_chunk;
691 else if( p_access->info.i_size != -1 && (int64_t)i_len > p_sys->i_remaining) {
692 /* Only ask for the remaining length */
693 i_len = (size_t)p_sys->i_remaining;
695 p_access->info.b_eof = true;
701 if( p_sys->i_icy_meta > 0 && p_access->info.i_pos-p_sys->i_icy_offset > 0 )
703 int64_t i_next = p_sys->i_icy_meta -
704 (p_access->info.i_pos - p_sys->i_icy_offset ) % p_sys->i_icy_meta;
706 if( i_next == p_sys->i_icy_meta )
708 if( ReadICYMeta( p_access ) )
710 p_access->info.b_eof = true;
718 i_read = net_Read( p_access, p_sys->fd, p_sys->p_vs, p_buffer, i_len, false );
722 p_access->info.i_pos += i_read;
724 if( p_sys->b_chunked )
726 p_sys->i_chunk -= i_read;
727 if( p_sys->i_chunk <= 0 )
729 /* read the empty line */
730 char *psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, p_sys->p_vs );
735 else if( i_read == 0 )
738 * I very much doubt that this will work.
739 * If i_read == 0, the connection *IS* dead, so the only
740 * sensible thing to do is Disconnect() and then retry.
741 * Otherwise, I got recv() completely wrong. -- Courmisch
743 if( p_sys->b_continuous )
745 Request( p_access, 0 );
746 p_sys->b_continuous = false;
747 i_read = Read( p_access, p_buffer, i_len );
748 p_sys->b_continuous = true;
750 Disconnect( p_access );
751 if( p_sys->b_reconnect )
753 msg_Dbg( p_access, "got disconnected, trying to reconnect" );
754 if( Connect( p_access, p_access->info.i_pos ) )
756 msg_Dbg( p_access, "reconnection failed" );
760 p_sys->b_reconnect = false;
761 i_read = Read( p_access, p_buffer, i_len );
762 p_sys->b_reconnect = true;
766 if( i_read == 0 ) p_access->info.b_eof = true;
769 if( p_access->info.i_size != -1 )
771 p_sys->i_remaining -= i_read;
777 static int ReadICYMeta( access_t *p_access )
779 access_sys_t *p_sys = p_access->p_sys;
785 /* Read meta data length */
786 i_read = net_Read( p_access, p_sys->fd, p_sys->p_vs, &buffer, 1,
793 i_read = buffer << 4;
794 /* msg_Dbg( p_access, "ICY meta size=%u", i_read); */
796 psz_meta = malloc( i_read + 1 );
797 if( net_Read( p_access, p_sys->fd, p_sys->p_vs,
798 (uint8_t *)psz_meta, i_read, true ) != i_read )
801 psz_meta[i_read] = '\0'; /* Just in case */
803 /* msg_Dbg( p_access, "icy-meta=%s", psz_meta ); */
805 /* Now parse the meta */
806 /* Look for StreamTitle= */
807 p = strcasestr( (char *)psz_meta, "StreamTitle=" );
810 p += strlen( "StreamTitle=" );
811 if( *p == '\'' || *p == '"' )
813 char closing[] = { p[0], ';', '\0' };
814 char *psz = strstr( &p[1], closing );
816 psz = strchr( &p[1], ';' );
818 if( psz ) *psz = '\0';
822 char *psz = strchr( &p[1], ';' );
823 if( psz ) *psz = '\0';
826 if( !p_sys->psz_icy_title ||
827 strcmp( p_sys->psz_icy_title, &p[1] ) )
829 free( p_sys->psz_icy_title );
830 p_sys->psz_icy_title = EnsureUTF8( strdup( &p[1] ));
831 p_access->info.i_update |= INPUT_UPDATE_META;
833 msg_Dbg( p_access, "New Title=%s", p_sys->psz_icy_title );
842 static ssize_t ReadCompressed( access_t *p_access, uint8_t *p_buffer,
845 access_sys_t *p_sys = p_access->p_sys;
847 if( p_sys->b_compressed )
851 if( !p_sys->inflate.p_buffer )
852 p_sys->inflate.p_buffer = malloc( 256 * 1024 );
854 if( p_sys->inflate.stream.avail_in == 0 )
856 ssize_t i_read = Read( p_access, p_sys->inflate.p_buffer + p_sys->inflate.stream.avail_in, 256 * 1024 );
857 if( i_read <= 0 ) return i_read;
858 p_sys->inflate.stream.next_in = p_sys->inflate.p_buffer;
859 p_sys->inflate.stream.avail_in = i_read;
862 p_sys->inflate.stream.avail_out = i_len;
863 p_sys->inflate.stream.next_out = p_buffer;
865 i_ret = inflate( &p_sys->inflate.stream, Z_SYNC_FLUSH );
866 msg_Warn( p_access, "inflate return value: %d, %s", i_ret, p_sys->inflate.stream.msg );
868 return i_len - p_sys->inflate.stream.avail_out;
872 return Read( p_access, p_buffer, i_len );
877 /*****************************************************************************
878 * Seek: close and re-open a connection at the right place
879 *****************************************************************************/
880 static int Seek( access_t *p_access, int64_t i_pos )
882 msg_Dbg( p_access, "trying to seek to %"PRId64, i_pos );
884 Disconnect( p_access );
886 if( p_access->info.i_size
887 && (uint64_t)i_pos >= (uint64_t)p_access->info.i_size ) {
888 msg_Err( p_access, "seek to far" );
889 int retval = Seek( p_access, p_access->info.i_size - 1 );
890 if( retval == VLC_SUCCESS ) {
892 Read( p_access, p_buffer, 1);
893 p_access->info.b_eof = false;
897 if( Connect( p_access, i_pos ) )
899 msg_Err( p_access, "seek failed" );
900 p_access->info.b_eof = true;
906 /*****************************************************************************
908 *****************************************************************************/
909 static int Control( access_t *p_access, int i_query, va_list args )
911 access_sys_t *p_sys = p_access->p_sys;
919 case ACCESS_CAN_SEEK:
920 pb_bool = (bool*)va_arg( args, bool* );
921 *pb_bool = p_sys->b_seekable;
923 case ACCESS_CAN_FASTSEEK:
924 pb_bool = (bool*)va_arg( args, bool* );
927 case ACCESS_CAN_PAUSE:
928 case ACCESS_CAN_CONTROL_PACE:
929 pb_bool = (bool*)va_arg( args, bool* );
931 #if 0 /* Disable for now until we have a clock synchro algo
932 * which works with something else than MPEG over UDP */
933 *pb_bool = p_sys->b_pace_control;
939 case ACCESS_GET_PTS_DELAY:
940 pi_64 = (int64_t*)va_arg( args, int64_t * );
941 *pi_64 = (int64_t)var_GetInteger( p_access, "http-caching" ) * 1000;
945 case ACCESS_SET_PAUSE_STATE:
948 case ACCESS_GET_META:
949 p_meta = (vlc_meta_t*)va_arg( args, vlc_meta_t* );
951 if( p_sys->psz_icy_name )
952 vlc_meta_Set( p_meta, vlc_meta_Title, p_sys->psz_icy_name );
953 if( p_sys->psz_icy_genre )
954 vlc_meta_Set( p_meta, vlc_meta_Genre, p_sys->psz_icy_genre );
955 if( p_sys->psz_icy_title )
956 vlc_meta_Set( p_meta, vlc_meta_NowPlaying, p_sys->psz_icy_title );
959 case ACCESS_GET_CONTENT_TYPE:
960 *va_arg( args, char ** ) =
961 p_sys->psz_mime ? strdup( p_sys->psz_mime ) : NULL;
964 case ACCESS_GET_TITLE_INFO:
965 case ACCESS_SET_TITLE:
966 case ACCESS_SET_SEEKPOINT:
967 case ACCESS_SET_PRIVATE_ID_STATE:
971 msg_Warn( p_access, "unimplemented query in control" );
978 /*****************************************************************************
980 *****************************************************************************/
981 static int Connect( access_t *p_access, int64_t i_tell )
983 access_sys_t *p_sys = p_access->p_sys;
984 vlc_url_t srv = p_sys->b_proxy ? p_sys->proxy : p_sys->url;
987 free( p_sys->psz_location );
988 free( p_sys->psz_mime );
989 free( p_sys->psz_pragma );
991 free( p_sys->psz_icy_genre );
992 free( p_sys->psz_icy_name );
993 free( p_sys->psz_icy_title );
996 p_sys->psz_location = NULL;
997 p_sys->psz_mime = NULL;
998 p_sys->psz_pragma = NULL;
999 p_sys->b_mms = false;
1000 p_sys->b_chunked = false;
1002 p_sys->i_icy_meta = 0;
1003 p_sys->i_icy_offset = i_tell;
1004 p_sys->psz_icy_name = NULL;
1005 p_sys->psz_icy_genre = NULL;
1006 p_sys->psz_icy_title = NULL;
1007 p_sys->i_remaining = 0;
1008 p_sys->b_persist = false;
1010 p_access->info.i_size = -1;
1011 p_access->info.i_pos = i_tell;
1012 p_access->info.b_eof = false;
1014 /* Open connection */
1015 assert( p_sys->fd == -1 ); /* No open sockets (leaking fds is BAD) */
1016 p_sys->fd = net_ConnectTCP( p_access, srv.psz_host, srv.i_port );
1017 if( p_sys->fd == -1 )
1019 msg_Err( p_access, "cannot connect to %s:%d", srv.psz_host, srv.i_port );
1023 /* Initialize TLS/SSL session */
1024 if( p_sys->b_ssl == true )
1026 /* CONNECT to establish TLS tunnel through HTTP proxy */
1027 if( p_sys->b_proxy )
1030 unsigned i_status = 0;
1032 if( p_sys->i_version == 0 )
1034 /* CONNECT is not in HTTP/1.0 */
1035 Disconnect( p_access );
1039 net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL,
1040 "CONNECT %s:%d HTTP/1.%d\r\nHost: %s:%d\r\n\r\n",
1041 p_sys->url.psz_host, p_sys->url.i_port,
1043 p_sys->url.psz_host, p_sys->url.i_port);
1045 psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, NULL );
1048 msg_Err( p_access, "cannot establish HTTP/TLS tunnel" );
1049 Disconnect( p_access );
1053 sscanf( psz, "HTTP/%*u.%*u %3u", &i_status );
1056 if( ( i_status / 100 ) != 2 )
1058 msg_Err( p_access, "HTTP/TLS tunnel through proxy denied" );
1059 Disconnect( p_access );
1065 psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, NULL );
1068 msg_Err( p_access, "HTTP proxy connection failed" );
1069 Disconnect( p_access );
1078 if( !vlc_object_alive (p_access) || p_access->b_error )
1080 Disconnect( p_access );
1087 /* TLS/SSL handshake */
1088 p_sys->p_tls = tls_ClientCreate( VLC_OBJECT(p_access), p_sys->fd,
1090 if( p_sys->p_tls == NULL )
1092 msg_Err( p_access, "cannot establish HTTP/TLS session" );
1093 Disconnect( p_access );
1096 p_sys->p_vs = &p_sys->p_tls->sock;
1099 return Request( p_access, i_tell ) ? -2 : 0;
1103 static int Request( access_t *p_access, int64_t i_tell )
1105 access_sys_t *p_sys = p_access->p_sys;
1107 v_socket_t *pvs = p_sys->p_vs;
1108 p_sys->b_persist = false;
1110 p_sys->i_remaining = 0;
1111 if( p_sys->b_proxy )
1113 if( p_sys->url.psz_path )
1115 net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL,
1116 "GET http://%s:%d%s HTTP/1.%d\r\n",
1117 p_sys->url.psz_host, p_sys->url.i_port,
1118 p_sys->url.psz_path, p_sys->i_version );
1122 net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL,
1123 "GET http://%s:%d/ HTTP/1.%d\r\n",
1124 p_sys->url.psz_host, p_sys->url.i_port,
1130 const char *psz_path = p_sys->url.psz_path;
1131 if( !psz_path || !*psz_path )
1135 if( p_sys->url.i_port != (pvs ? 443 : 80) )
1137 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs,
1138 "GET %s HTTP/1.%d\r\nHost: %s:%d\r\n",
1139 psz_path, p_sys->i_version, p_sys->url.psz_host,
1140 p_sys->url.i_port );
1144 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs,
1145 "GET %s HTTP/1.%d\r\nHost: %s\r\n",
1146 psz_path, p_sys->i_version, p_sys->url.psz_host );
1150 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs, "User-Agent: %s\r\n",
1151 p_sys->psz_user_agent );
1153 if( p_sys->i_version == 1 && ! p_sys->b_continuous )
1155 p_sys->b_persist = true;
1156 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs,
1157 "Range: bytes=%"PRIu64"-\r\n", i_tell );
1161 if( p_sys->cookies )
1164 for( i = 0; i < vlc_array_count( p_sys->cookies ); i++ )
1166 const char * cookie = vlc_array_item_at_index( p_sys->cookies, i );
1167 char * psz_cookie_content = cookie_get_content( cookie );
1168 char * psz_cookie_domain = cookie_get_domain( cookie );
1170 assert( psz_cookie_content );
1172 /* FIXME: This is clearly not conforming to the rfc */
1173 bool is_in_right_domain = (!psz_cookie_domain || strstr( p_sys->url.psz_host, psz_cookie_domain ));
1175 if( is_in_right_domain )
1177 msg_Dbg( p_access, "Sending Cookie %s", psz_cookie_content );
1178 if( net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs, "Cookie: %s\r\n", psz_cookie_content ) < 0 )
1179 msg_Err( p_access, "failed to send Cookie" );
1181 free( psz_cookie_content );
1182 free( psz_cookie_domain );
1186 /* Authentication */
1187 if( p_sys->url.psz_username || p_sys->url.psz_password )
1188 AuthReply( p_access, "", &p_sys->url, &p_sys->auth );
1190 /* Proxy Authentication */
1191 if( p_sys->proxy.psz_username || p_sys->proxy.psz_password )
1192 AuthReply( p_access, "Proxy-", &p_sys->proxy, &p_sys->proxy_auth );
1194 /* ICY meta data request */
1195 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs, "Icy-MetaData: 1\r\n" );
1198 if( net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs, "\r\n" ) < 0 )
1200 msg_Err( p_access, "failed to send request" );
1201 Disconnect( p_access );
1202 return VLC_EGENERIC;
1206 if( ( psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, pvs ) ) == NULL )
1208 msg_Err( p_access, "failed to read answer" );
1211 if( !strncmp( psz, "HTTP/1.", 7 ) )
1213 p_sys->psz_protocol = "HTTP";
1214 p_sys->i_code = atoi( &psz[9] );
1216 else if( !strncmp( psz, "ICY", 3 ) )
1218 p_sys->psz_protocol = "ICY";
1219 p_sys->i_code = atoi( &psz[4] );
1220 p_sys->b_reconnect = true;
1224 msg_Err( p_access, "invalid HTTP reply '%s'", psz );
1228 msg_Dbg( p_access, "protocol '%s' answer code %d",
1229 p_sys->psz_protocol, p_sys->i_code );
1230 if( !strcmp( p_sys->psz_protocol, "ICY" ) )
1232 p_sys->b_seekable = false;
1234 if( p_sys->i_code != 206 && p_sys->i_code != 401 )
1236 p_sys->b_seekable = false;
1238 /* Authentication error - We'll have to display the dialog */
1239 if( p_sys->i_code == 401 )
1243 /* Other fatal error */
1244 else if( p_sys->i_code >= 400 )
1246 msg_Err( p_access, "error: %s", psz );
1254 char *psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, pvs );
1259 msg_Err( p_access, "failed to read answer" );
1263 if( !vlc_object_alive (p_access) || p_access->b_error )
1269 /* msg_Dbg( p_input, "Line=%s", psz ); */
1276 if( ( p = strchr( psz, ':' ) ) == NULL )
1278 msg_Err( p_access, "malformed header line: %s", psz );
1283 while( *p == ' ' ) p++;
1285 if( !strcasecmp( psz, "Content-Length" ) )
1287 int64_t i_size = i_tell + (p_sys->i_remaining = atoll( p ));
1288 if(i_size > p_access->info.i_size) {
1289 p_access->info.i_size = i_size;
1291 msg_Dbg( p_access, "this frame size=%"PRId64, p_sys->i_remaining );
1293 else if( !strcasecmp( psz, "Content-Range" ) ) {
1294 int64_t i_ntell = i_tell;
1295 int64_t i_nend = (p_access->info.i_size > 0)?(p_access->info.i_size - 1):i_tell;
1296 int64_t i_nsize = p_access->info.i_size;
1297 sscanf(p,"bytes %"PRId64"-%"PRId64"/%"PRId64,&i_ntell,&i_nend,&i_nsize);
1298 if(i_nend > i_ntell ) {
1299 p_access->info.i_pos = i_ntell;
1300 p_sys->i_remaining = i_nend+1-i_ntell;
1301 int64_t i_size = (i_nsize > i_nend) ? i_nsize : (i_nend + 1);
1302 if(i_size > p_access->info.i_size) {
1303 p_access->info.i_size = i_size;
1305 msg_Dbg( p_access, "stream size=%"PRId64",pos=%"PRId64",remaining=%"PRId64,i_nsize,i_ntell,p_sys->i_remaining);
1308 else if( !strcasecmp( psz, "Connection" ) ) {
1309 msg_Dbg( p_access, "Connection: %s",p );
1311 sscanf(p, "close%n",&i);
1313 p_sys->b_persist = false;
1316 else if( !strcasecmp( psz, "Location" ) )
1320 /* This does not follow RFC 2068, but yet if the url is not absolute,
1321 * handle it as everyone does. */
1324 const char *psz_http_ext = p_sys->b_ssl ? "s" : "" ;
1326 if( p_sys->url.i_port == ( p_sys->b_ssl ? 443 : 80 ) )
1328 if( asprintf(&psz_new_loc, "http%s://%s%s", psz_http_ext,
1329 p_sys->url.psz_host, p) < 0 )
1334 if( asprintf(&psz_new_loc, "http%s://%s:%d%s", psz_http_ext,
1335 p_sys->url.psz_host, p_sys->url.i_port, p) < 0 )
1341 psz_new_loc = strdup( p );
1344 free( p_sys->psz_location );
1345 p_sys->psz_location = psz_new_loc;
1347 else if( !strcasecmp( psz, "Content-Type" ) )
1349 free( p_sys->psz_mime );
1350 p_sys->psz_mime = strdup( p );
1351 msg_Dbg( p_access, "Content-Type: %s", p_sys->psz_mime );
1353 else if( !strcasecmp( psz, "Content-Encoding" ) )
1355 msg_Dbg( p_access, "Content-Encoding: %s", p );
1356 if( strcasecmp( p, "identity" ) )
1358 p_sys->b_compressed = true;
1360 msg_Warn( p_access, "Compressed content not supported. Rebuild with zlib support." );
1363 else if( !strcasecmp( psz, "Pragma" ) )
1365 if( !strcasecmp( psz, "Pragma: features" ) )
1366 p_sys->b_mms = true;
1367 free( p_sys->psz_pragma );
1368 p_sys->psz_pragma = strdup( p );
1369 msg_Dbg( p_access, "Pragma: %s", p_sys->psz_pragma );
1371 else if( !strcasecmp( psz, "Server" ) )
1373 msg_Dbg( p_access, "Server: %s", p );
1374 if( !strncasecmp( p, "Icecast", 7 ) ||
1375 !strncasecmp( p, "Nanocaster", 10 ) )
1377 /* Remember if this is Icecast
1378 * we need to force demux in this case without breaking
1381 /* Let live 365 streams (nanocaster) piggyback on the icecast
1382 * routine. They look very similar */
1384 p_sys->b_reconnect = true;
1385 p_sys->b_pace_control = false;
1386 p_sys->b_icecast = true;
1389 else if( !strcasecmp( psz, "Transfer-Encoding" ) )
1391 msg_Dbg( p_access, "Transfer-Encoding: %s", p );
1392 if( !strncasecmp( p, "chunked", 7 ) )
1394 p_sys->b_chunked = true;
1397 else if( !strcasecmp( psz, "Icy-MetaInt" ) )
1399 msg_Dbg( p_access, "Icy-MetaInt: %s", p );
1400 p_sys->i_icy_meta = atoi( p );
1401 if( p_sys->i_icy_meta < 0 )
1402 p_sys->i_icy_meta = 0;
1403 if( p_sys->i_icy_meta > 0 )
1404 p_sys->b_icecast = true;
1406 msg_Warn( p_access, "ICY metaint=%d", p_sys->i_icy_meta );
1408 else if( !strcasecmp( psz, "Icy-Name" ) )
1410 free( p_sys->psz_icy_name );
1411 p_sys->psz_icy_name = EnsureUTF8( strdup( p ));
1412 msg_Dbg( p_access, "Icy-Name: %s", p_sys->psz_icy_name );
1414 p_sys->b_icecast = true; /* be on the safeside. set it here as well. */
1415 p_sys->b_reconnect = true;
1416 p_sys->b_pace_control = false;
1418 else if( !strcasecmp( psz, "Icy-Genre" ) )
1420 free( p_sys->psz_icy_genre );
1421 p_sys->psz_icy_genre = EnsureUTF8( strdup( p ));
1422 msg_Dbg( p_access, "Icy-Genre: %s", p_sys->psz_icy_genre );
1424 else if( !strncasecmp( psz, "Icy-Notice", 10 ) )
1426 msg_Dbg( p_access, "Icy-Notice: %s", p );
1428 else if( !strncasecmp( psz, "icy-", 4 ) ||
1429 !strncasecmp( psz, "ice-", 4 ) ||
1430 !strncasecmp( psz, "x-audiocast", 11 ) )
1432 msg_Dbg( p_access, "Meta-Info: %s: %s", psz, p );
1434 else if( !strcasecmp( psz, "Set-Cookie" ) )
1436 if( p_sys->cookies )
1438 msg_Dbg( p_access, "Accepting Cookie: %s", p );
1439 cookie_append( p_sys->cookies, strdup(p) );
1442 msg_Dbg( p_access, "We have a Cookie we won't remember: %s", p );
1444 else if( !strcasecmp( psz, "www-authenticate" ) )
1446 msg_Dbg( p_access, "Authentication header: %s", p );
1447 AuthParseHeader( p_access, p, &p_sys->auth );
1449 else if( !strcasecmp( psz, "proxy-authenticate" ) )
1451 msg_Dbg( p_access, "Proxy authentication header: %s", p );
1452 AuthParseHeader( p_access, p, &p_sys->proxy_auth );
1454 else if( !strcasecmp( psz, "authentication-info" ) )
1456 msg_Dbg( p_access, "Authentication Info header: %s", p );
1457 if( AuthCheckReply( p_access, p, &p_sys->url, &p_sys->auth ) )
1460 else if( !strcasecmp( psz, "proxy-authentication-info" ) )
1462 msg_Dbg( p_access, "Proxy Authentication Info header: %s", p );
1463 if( AuthCheckReply( p_access, p, &p_sys->proxy, &p_sys->proxy_auth ) )
1469 /* We close the stream for zero length data, unless of course the
1470 * server has already promised to do this for us.
1472 if( p_access->info.i_size != -1 && p_sys->i_remaining == 0 && p_sys->b_persist ) {
1473 Disconnect( p_access );
1478 Disconnect( p_access );
1479 return VLC_EGENERIC;
1482 /*****************************************************************************
1484 *****************************************************************************/
1485 static void Disconnect( access_t *p_access )
1487 access_sys_t *p_sys = p_access->p_sys;
1489 if( p_sys->p_tls != NULL)
1491 tls_ClientDelete( p_sys->p_tls );
1492 p_sys->p_tls = NULL;
1495 if( p_sys->fd != -1)
1497 net_Close(p_sys->fd);
1503 /*****************************************************************************
1504 * Cookies (FIXME: we may want to rewrite that using a nice structure to hold
1505 * them) (FIXME: only support the "domain=" param)
1506 *****************************************************************************/
1508 /* Get the NAME=VALUE part of the Cookie */
1509 static char * cookie_get_content( const char * cookie )
1511 char * ret = strdup( cookie );
1512 if( !ret ) return NULL;
1514 /* Look for a ';' */
1515 while( *str && *str != ';' ) str++;
1516 /* Replace it by a end-char */
1517 if( *str == ';' ) *str = 0;
1521 /* Get the domain where the cookie is stored */
1522 static char * cookie_get_domain( const char * cookie )
1524 const char * str = cookie;
1525 static const char domain[] = "domain=";
1528 /* Look for a ';' */
1531 if( !strncmp( str, domain, sizeof(domain) - 1 /* minus \0 */ ) )
1533 str += sizeof(domain) - 1 /* minus \0 */;
1534 char * ret = strdup( str );
1535 /* Now remove the next ';' if present */
1536 char * ret_iter = ret;
1537 while( *ret_iter && *ret_iter != ';' ) ret_iter++;
1538 if( *ret_iter == ';' )
1542 /* Go to next ';' field */
1543 while( *str && *str != ';' ) str++;
1544 if( *str == ';' ) str++;
1546 while( *str && *str == ' ' ) str++;
1551 /* Get NAME in the NAME=VALUE field */
1552 static char * cookie_get_name( const char * cookie )
1554 char * ret = cookie_get_content( cookie ); /* NAME=VALUE */
1555 if( !ret ) return NULL;
1557 while( *str && *str != '=' ) str++;
1562 /* Add a cookie in cookies, checking to see how it should be added */
1563 static void cookie_append( vlc_array_t * cookies, char * cookie )
1570 char * cookie_name = cookie_get_name( cookie );
1572 /* Don't send invalid cookies */
1576 char * cookie_domain = cookie_get_domain( cookie );
1577 for( i = 0; i < vlc_array_count( cookies ); i++ )
1579 char * current_cookie = vlc_array_item_at_index( cookies, i );
1580 char * current_cookie_name = cookie_get_name( current_cookie );
1581 char * current_cookie_domain = cookie_get_domain( current_cookie );
1583 assert( current_cookie_name );
1585 bool is_domain_matching = ( cookie_domain && current_cookie_domain &&
1586 !strcmp( cookie_domain, current_cookie_domain ) );
1588 if( is_domain_matching && !strcmp( cookie_name, current_cookie_name ) )
1590 /* Remove previous value for this cookie */
1591 free( current_cookie );
1592 vlc_array_remove( cookies, i );
1595 free( current_cookie_name );
1596 free( current_cookie_domain );
1599 free( current_cookie_name );
1600 free( current_cookie_domain );
1602 free( cookie_name );
1603 free( cookie_domain );
1604 vlc_array_append( cookies, cookie );
1607 /*****************************************************************************
1608 * "RFC 2617: Basic and Digest Access Authentication" header parsing
1609 *****************************************************************************/
1610 static char *AuthGetParam( const char *psz_header, const char *psz_param )
1612 char psz_what[strlen(psz_param)+3];
1613 sprintf( psz_what, "%s=\"", psz_param );
1614 psz_header = strstr( psz_header, psz_what );
1617 const char *psz_end;
1618 psz_header += strlen( psz_what );
1619 psz_end = strchr( psz_header, '"' );
1620 if( !psz_end ) /* Invalid since we should have a closing quote */
1621 return strdup( psz_header );
1622 return strndup( psz_header, psz_end - psz_header );
1630 static char *AuthGetParamNoQuotes( const char *psz_header, const char *psz_param )
1632 char psz_what[strlen(psz_param)+2];
1633 sprintf( psz_what, "%s=", psz_param );
1634 psz_header = strstr( psz_header, psz_what );
1637 const char *psz_end;
1638 psz_header += strlen( psz_what );
1639 psz_end = strchr( psz_header, ',' );
1640 /* XXX: Do we need to filter out trailing space between the value and
1641 * the comma/end of line? */
1642 if( !psz_end ) /* Can be valid if this is the last parameter */
1643 return strdup( psz_header );
1644 return strndup( psz_header, psz_end - psz_header );
1652 static void AuthParseHeader( access_t *p_access, const char *psz_header,
1653 http_auth_t *p_auth )
1655 /* FIXME: multiple auth methods can be listed (comma seperated) */
1657 /* 2 Basic Authentication Scheme */
1658 if( !strncasecmp( psz_header, "Basic ", strlen( "Basic " ) ) )
1660 msg_Dbg( p_access, "Using Basic Authentication" );
1661 psz_header += strlen( "Basic " );
1662 p_auth->psz_realm = AuthGetParam( psz_header, "realm" );
1663 if( !p_auth->psz_realm )
1664 msg_Warn( p_access, "Basic Authentication: "
1665 "Mandatory 'realm' parameter is missing" );
1667 /* 3 Digest Access Authentication Scheme */
1668 else if( !strncasecmp( psz_header, "Digest ", strlen( "Digest " ) ) )
1670 msg_Dbg( p_access, "Using Digest Access Authentication" );
1671 if( p_auth->psz_nonce ) return; /* FIXME */
1672 psz_header += strlen( "Digest " );
1673 p_auth->psz_realm = AuthGetParam( psz_header, "realm" );
1674 p_auth->psz_domain = AuthGetParam( psz_header, "domain" );
1675 p_auth->psz_nonce = AuthGetParam( psz_header, "nonce" );
1676 p_auth->psz_opaque = AuthGetParam( psz_header, "opaque" );
1677 p_auth->psz_stale = AuthGetParamNoQuotes( psz_header, "stale" );
1678 p_auth->psz_algorithm = AuthGetParamNoQuotes( psz_header, "algorithm" );
1679 p_auth->psz_qop = AuthGetParam( psz_header, "qop" );
1680 p_auth->i_nonce = 0;
1681 /* printf("realm: |%s|\ndomain: |%s|\nnonce: |%s|\nopaque: |%s|\n"
1682 "stale: |%s|\nalgorithm: |%s|\nqop: |%s|\n",
1683 p_auth->psz_realm,p_auth->psz_domain,p_auth->psz_nonce,
1684 p_auth->psz_opaque,p_auth->psz_stale,p_auth->psz_algorithm,
1685 p_auth->psz_qop); */
1686 if( !p_auth->psz_realm )
1687 msg_Warn( p_access, "Digest Access Authentication: "
1688 "Mandatory 'realm' parameter is missing" );
1689 if( !p_auth->psz_nonce )
1690 msg_Warn( p_access, "Digest Access Authentication: "
1691 "Mandatory 'nonce' parameter is missing" );
1692 if( p_auth->psz_qop ) /* FIXME: parse the qop list */
1694 char *psz_tmp = strchr( p_auth->psz_qop, ',' );
1695 if( psz_tmp ) *psz_tmp = '\0';
1700 const char *psz_end = strchr( psz_header, ' ' );
1702 msg_Warn( p_access, "Unknown authentication scheme: '%*s'",
1703 (int)(psz_end - psz_header), psz_header );
1705 msg_Warn( p_access, "Unknown authentication scheme: '%s'",
1710 static char *AuthDigest( access_t *p_access, vlc_url_t *p_url,
1711 http_auth_t *p_auth, const char *psz_method )
1714 const char *psz_username = p_url->psz_username ?: "";
1715 const char *psz_password = p_url->psz_password ?: "";
1717 char *psz_HA1 = NULL;
1718 char *psz_HA2 = NULL;
1719 char *psz_response = NULL;
1723 if( p_auth->psz_HA1 )
1725 psz_HA1 = strdup( p_auth->psz_HA1 );
1726 if( !psz_HA1 ) goto error;
1731 AddMD5( &md5, psz_username, strlen( psz_username ) );
1732 AddMD5( &md5, ":", 1 );
1733 AddMD5( &md5, p_auth->psz_realm, strlen( p_auth->psz_realm ) );
1734 AddMD5( &md5, ":", 1 );
1735 AddMD5( &md5, psz_password, strlen( psz_password ) );
1738 psz_HA1 = psz_md5_hash( &md5 );
1739 if( !psz_HA1 ) goto error;
1741 if( p_auth->psz_algorithm
1742 && !strcmp( p_auth->psz_algorithm, "MD5-sess" ) )
1745 AddMD5( &md5, psz_HA1, 32 );
1747 AddMD5( &md5, ":", 1 );
1748 AddMD5( &md5, p_auth->psz_nonce, strlen( p_auth->psz_nonce ) );
1749 AddMD5( &md5, ":", 1 );
1750 AddMD5( &md5, p_auth->psz_cnonce, strlen( p_auth->psz_cnonce ) );
1753 psz_HA1 = psz_md5_hash( &md5 );
1754 if( !psz_HA1 ) goto error;
1755 p_auth->psz_HA1 = strdup( psz_HA1 );
1756 if( !p_auth->psz_HA1 ) goto error;
1763 AddMD5( &md5, psz_method, strlen( psz_method ) );
1764 AddMD5( &md5, ":", 1 );
1765 if( p_url->psz_path )
1766 AddMD5( &md5, p_url->psz_path, strlen( p_url->psz_path ) );
1768 AddMD5( &md5, "/", 1 );
1769 if( p_auth->psz_qop && !strcmp( p_auth->psz_qop, "auth-int" ) )
1774 AddMD5( &ent, "", 0 ); /* XXX: entity-body. should be ok for GET */
1776 psz_ent = psz_md5_hash( &ent );
1777 if( !psz_ent ) goto error;
1778 AddMD5( &md5, ":", 1 );
1779 AddMD5( &md5, psz_ent, 32 );
1783 psz_HA2 = psz_md5_hash( &md5 );
1784 if( !psz_HA2 ) goto error;
1786 /* Request digest */
1788 AddMD5( &md5, psz_HA1, 32 );
1789 AddMD5( &md5, ":", 1 );
1790 AddMD5( &md5, p_auth->psz_nonce, strlen( p_auth->psz_nonce ) );
1791 AddMD5( &md5, ":", 1 );
1793 && ( !strcmp( p_auth->psz_qop, "auth" )
1794 || !strcmp( p_auth->psz_qop, "auth-int" ) ) )
1797 snprintf( psz_inonce, 9, "%08x", p_auth->i_nonce );
1798 AddMD5( &md5, psz_inonce, 8 );
1799 AddMD5( &md5, ":", 1 );
1800 AddMD5( &md5, p_auth->psz_cnonce, strlen( p_auth->psz_cnonce ) );
1801 AddMD5( &md5, ":", 1 );
1802 AddMD5( &md5, p_auth->psz_qop, strlen( p_auth->psz_qop ) );
1803 AddMD5( &md5, ":", 1 );
1805 AddMD5( &md5, psz_HA2, 32 );
1807 psz_response = psz_md5_hash( &md5 );
1812 return psz_response;
1816 static void AuthReply( access_t *p_access, const char *psz_prefix,
1817 vlc_url_t *p_url, http_auth_t *p_auth )
1819 access_sys_t *p_sys = p_access->p_sys;
1820 v_socket_t *pvs = p_sys->p_vs;
1822 const char *psz_username = p_url->psz_username ?: "";
1823 const char *psz_password = p_url->psz_password ?: "";
1825 if( p_auth->psz_nonce )
1827 /* Digest Access Authentication */
1830 if( p_auth->psz_algorithm
1831 && strcmp( p_auth->psz_algorithm, "MD5" )
1832 && strcmp( p_auth->psz_algorithm, "MD5-sess" ) )
1834 msg_Err( p_access, "Digest Access Authentication: "
1835 "Unknown algorithm '%s'", p_auth->psz_algorithm );
1839 if( p_auth->psz_qop || !p_auth->psz_cnonce )
1841 /* FIXME: needs to be really random to prevent man in the middle
1843 free( p_auth->psz_cnonce );
1844 p_auth->psz_cnonce = strdup( "Some random string FIXME" );
1848 psz_response = AuthDigest( p_access, p_url, p_auth, "GET" );
1849 if( !psz_response ) return;
1851 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs,
1852 "%sAuthorization: Digest "
1853 /* Mandatory parameters */
1859 /* Optional parameters */
1860 "%s%s%s" /* algorithm */
1861 "%s%s%s" /* cnonce */
1862 "%s%s%s" /* opaque */
1863 "%s%s%s" /* message qop */
1864 "%s%08x%s" /* nonce count */
1866 /* Mandatory parameters */
1871 p_url->psz_path ?: "/",
1873 /* Optional parameters */
1874 p_auth->psz_algorithm ? "algorithm=\"" : "",
1875 p_auth->psz_algorithm ?: "",
1876 p_auth->psz_algorithm ? "\", " : "",
1877 p_auth->psz_cnonce ? "cnonce=\"" : "",
1878 p_auth->psz_cnonce ?: "",
1879 p_auth->psz_cnonce ? "\", " : "",
1880 p_auth->psz_opaque ? "opaque=\"" : "",
1881 p_auth->psz_opaque ?: "",
1882 p_auth->psz_opaque ? "\", " : "",
1883 p_auth->psz_qop ? "qop=\"" : "",
1884 p_auth->psz_qop ?: "",
1885 p_auth->psz_qop ? "\", " : "",
1886 p_auth->i_nonce ? "nc=\"" : "uglyhack=\"", /* Will be parsed as an unhandled extension */
1888 p_auth->i_nonce ? "\"" : "\""
1891 free( psz_response );
1895 /* Basic Access Authentication */
1896 char buf[strlen( psz_username ) + strlen( psz_password ) + 2];
1899 snprintf( buf, sizeof( buf ), "%s:%s", psz_username, psz_password );
1900 b64 = vlc_b64_encode( buf );
1904 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs,
1905 "%sAuthorization: Basic %s\r\n", psz_prefix, b64 );
1911 static int AuthCheckReply( access_t *p_access, const char *psz_header,
1912 vlc_url_t *p_url, http_auth_t *p_auth )
1914 int i_ret = VLC_EGENERIC;
1915 char *psz_nextnonce = AuthGetParam( psz_header, "nextnonce" );
1916 char *psz_qop = AuthGetParamNoQuotes( psz_header, "qop" );
1917 char *psz_rspauth = AuthGetParam( psz_header, "rspauth" );
1918 char *psz_cnonce = AuthGetParam( psz_header, "cnonce" );
1919 char *psz_nc = AuthGetParamNoQuotes( psz_header, "nc" );
1925 if( strcmp( psz_cnonce, p_auth->psz_cnonce ) )
1927 msg_Err( p_access, "HTTP Digest Access Authentication: server replied with a different client nonce value." );
1934 i_nonce = strtol( psz_nc, NULL, 16 );
1935 if( i_nonce != p_auth->i_nonce )
1937 msg_Err( p_access, "HTTP Digest Access Authentication: server replied with a different nonce count value." );
1942 if( psz_qop && p_auth->psz_qop && strcmp( psz_qop, p_auth->psz_qop ) )
1943 msg_Warn( p_access, "HTTP Digest Access Authentication: server replied using a different 'quality of protection' option" );
1945 /* All the clear text values match, let's now check the response
1947 psz_digest = AuthDigest( p_access, p_url, p_auth, "" );
1948 if( strcmp( psz_digest, psz_rspauth ) )
1950 msg_Err( p_access, "HTTP Digest Access Authentication: server replied with an invalid response digest (expected value: %s).", psz_digest );
1959 free( p_auth->psz_nonce );
1960 p_auth->psz_nonce = psz_nextnonce;
1961 psz_nextnonce = NULL;
1964 i_ret = VLC_SUCCESS;
1966 free( psz_nextnonce );
1968 free( psz_rspauth );
1975 static void AuthReset( http_auth_t *p_auth )
1977 FREENULL( p_auth->psz_realm );
1978 FREENULL( p_auth->psz_domain );
1979 FREENULL( p_auth->psz_nonce );
1980 FREENULL( p_auth->psz_opaque );
1981 FREENULL( p_auth->psz_stale );
1982 FREENULL( p_auth->psz_algorithm );
1983 FREENULL( p_auth->psz_qop );
1984 p_auth->i_nonce = 0;
1985 FREENULL( p_auth->psz_cnonce );
1986 FREENULL( p_auth->psz_HA1 );