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 )
112 add_string( "http-user-agent", COPYRIGHT_MESSAGE , NULL, AGENT_TEXT,
113 AGENT_LONGTEXT, true )
114 add_bool( "http-reconnect", 0, NULL, RECONNECT_TEXT,
115 RECONNECT_LONGTEXT, true )
116 add_bool( "http-continuous", 0, NULL, CONTINUOUS_TEXT,
117 CONTINUOUS_LONGTEXT, true )
119 add_bool( "http-forward-cookies", true, NULL, FORWARD_COOKIES_TEXT,
120 FORWARD_COOKIES_LONGTEXT, true )
121 add_obsolete_string("http-user")
122 add_obsolete_string("http-pwd")
123 add_shortcut( "http" )
124 add_shortcut( "https" )
125 add_shortcut( "unsv" )
126 add_shortcut( "itpc" ) /* iTunes Podcast */
127 set_callbacks( Open, Close )
130 /*****************************************************************************
132 *****************************************************************************/
134 /* RFC 2617: Basic and Digest Access Authentication */
135 typedef struct http_auth_t
146 char *psz_HA1; /* stored H(A1) value if algorithm = "MD5-sess" */
152 tls_session_t *p_tls;
157 char *psz_user_agent;
163 http_auth_t proxy_auth;
164 char *psz_proxy_passbuf;
168 const char *psz_protocol;
190 int64_t i_icy_offset;
203 vlc_array_t * cookies;
207 static int OpenWithCookies( vlc_object_t *p_this, vlc_array_t *cookies );
210 static ssize_t Read( access_t *, uint8_t *, size_t );
211 static ssize_t ReadCompressed( access_t *, uint8_t *, size_t );
212 static int Seek( access_t *, int64_t );
213 static int Control( access_t *, int, va_list );
216 static int Connect( access_t *, int64_t );
217 static int Request( access_t *p_access, int64_t i_tell );
218 static void Disconnect( access_t * );
220 /* Small Cookie utilities. Cookies support is partial. */
221 static char * cookie_get_content( const char * cookie );
222 static char * cookie_get_domain( const char * cookie );
223 static char * cookie_get_name( const char * cookie );
224 static void cookie_append( vlc_array_t * cookies, char * cookie );
227 static void AuthParseHeader( access_t *p_access, const char *psz_header,
228 http_auth_t *p_auth );
229 static void AuthReply( access_t *p_acces, const char *psz_prefix,
230 vlc_url_t *p_url, http_auth_t *p_auth );
231 static int AuthCheckReply( access_t *p_access, const char *psz_header,
232 vlc_url_t *p_url, http_auth_t *p_auth );
233 static void AuthReset( http_auth_t *p_auth );
235 /*****************************************************************************
237 *****************************************************************************/
238 static int Open( vlc_object_t *p_this )
240 return OpenWithCookies( p_this, NULL );
243 static int OpenWithCookies( vlc_object_t *p_this, vlc_array_t *cookies )
245 access_t *p_access = (access_t*)p_this;
248 /* Only forward an store cookies if the corresponding option is activated */
249 bool b_forward_cookies = var_CreateGetBool( p_access, "http-forward-cookies" );
250 vlc_array_t * saved_cookies = b_forward_cookies ? (cookies ?: vlc_array_new()) : NULL;
252 /* Set up p_access */
253 STANDARD_READ_ACCESS_INIT;
255 p_access->pf_read = ReadCompressed;
258 p_sys->b_proxy = false;
259 p_sys->psz_proxy_passbuf = NULL;
260 p_sys->i_version = 1;
261 p_sys->b_seekable = true;
262 p_sys->psz_mime = NULL;
263 p_sys->psz_pragma = NULL;
264 p_sys->b_mms = false;
265 p_sys->b_icecast = false;
266 p_sys->psz_location = NULL;
267 p_sys->psz_user_agent = NULL;
268 p_sys->b_pace_control = true;
269 p_sys->b_ssl = false;
271 p_sys->b_compressed = false;
272 /* 15 is the max windowBits, +32 to enable optional gzip decoding */
273 if( inflateInit2( &p_sys->inflate.stream, 32+15 ) != Z_OK )
274 msg_Warn( p_access, "Error during zlib initialisation: %s",
275 p_sys->inflate.stream.msg );
276 if( zlibCompileFlags() & (1<<17) )
277 msg_Warn( p_access, "Your zlib was compiled without gzip support." );
278 p_sys->inflate.p_buffer = NULL;
282 p_sys->i_icy_meta = 0;
283 p_sys->i_icy_offset = 0;
284 p_sys->psz_icy_name = NULL;
285 p_sys->psz_icy_genre = NULL;
286 p_sys->psz_icy_title = NULL;
287 p_sys->i_remaining = 0;
288 p_sys->b_persist = false;
289 p_access->info.i_size = -1;
290 p_access->info.i_pos = 0;
291 p_access->info.b_eof = false;
293 p_sys->cookies = saved_cookies;
295 /* Parse URI - remove spaces */
296 p = psz = strdup( p_access->psz_path );
297 while( (p = strchr( p, ' ' )) != NULL )
299 vlc_UrlParse( &p_sys->url, psz, 0 );
302 if( p_sys->url.psz_host == NULL || *p_sys->url.psz_host == '\0' )
304 msg_Warn( p_access, "invalid host" );
307 if( !strncmp( p_access->psz_access, "https", 5 ) )
311 if( p_sys->url.i_port <= 0 )
312 p_sys->url.i_port = 443;
316 if( p_sys->url.i_port <= 0 )
317 p_sys->url.i_port = 80;
321 p_sys->psz_user_agent = var_CreateGetString( p_access, "http-user-agent" );
324 psz = var_CreateGetNonEmptyString( p_access, "http-proxy" );
327 p_sys->b_proxy = true;
328 vlc_UrlParse( &p_sys->proxy, psz, 0 );
334 pxProxyFactory *pf = px_proxy_factory_new();
339 i=asprintf(&buf, "%s://%s", p_access->psz_access, p_access->psz_path);
342 msg_Dbg(p_access, "asking libproxy about url '%s'", buf);
343 char **proxies = px_proxy_factory_get_proxies(pf, buf);
346 msg_Dbg(p_access, "libproxy suggest to use '%s'", proxies[0]);
347 if(strcmp(proxies[0],"direct://") != 0)
349 p_sys->b_proxy = true;
350 vlc_UrlParse( &p_sys->proxy, proxies[0], 0);
353 for(i=0;proxies[i];i++) free(proxies[i]);
357 px_proxy_factory_free(pf);
361 msg_Err(p_access, "Allocating memory for libproxy failed");
367 psz = getenv( "http_proxy" );
370 p_sys->b_proxy = true;
371 vlc_UrlParse( &p_sys->proxy, psz, 0 );
375 if( psz ) /* No, this is NOT a use-after-free error */
377 psz = var_CreateGetNonEmptyString( p_access, "http-proxy-pwd" );
379 p_sys->proxy.psz_password = p_sys->psz_proxy_passbuf = psz;
384 if( p_sys->proxy.psz_host == NULL || *p_sys->proxy.psz_host == '\0' )
386 msg_Warn( p_access, "invalid proxy host" );
389 if( p_sys->proxy.i_port <= 0 )
391 p_sys->proxy.i_port = 80;
395 msg_Dbg( p_access, "http: server='%s' port=%d file='%s",
396 p_sys->url.psz_host, p_sys->url.i_port, p_sys->url.psz_path );
399 msg_Dbg( p_access, " proxy %s:%d", p_sys->proxy.psz_host,
400 p_sys->proxy.i_port );
402 if( p_sys->url.psz_username && *p_sys->url.psz_username )
404 msg_Dbg( p_access, " user='%s'", p_sys->url.psz_username );
407 p_sys->b_reconnect = var_CreateGetBool( p_access, "http-reconnect" );
408 p_sys->b_continuous = var_CreateGetBool( p_access, "http-continuous" );
412 switch( Connect( p_access, 0 ) )
418 /* Retry with http 1.0 */
419 msg_Dbg( p_access, "switching to HTTP version 1.0" );
420 p_sys->i_version = 0;
421 p_sys->b_seekable = false;
423 if( !vlc_object_alive (p_access) || Connect( p_access, 0 ) )
431 msg_Err( p_access, "You should not be here" );
436 if( p_sys->i_code == 401 )
438 char *psz_login, *psz_password;
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 msg_Dbg( p_access, "authentication failed for realm %s",
447 p_sys->auth.psz_realm );
448 dialog_Login( p_access, &psz_login, &psz_password,
449 _("HTTP authentication"),
450 _("Please enter a valid login name and a password for realm %s."),
451 p_sys->auth.psz_realm );
452 if( psz_login != NULL && psz_password != NULL )
454 msg_Dbg( p_access, "retrying with user=%s, pwd=%s",
457 "yeah right, like we're going to print a password."
462 p_sys->url.psz_username = psz_login;
463 p_sys->url.psz_password = psz_password;
464 Disconnect( p_access );
470 free( psz_password );
475 if( ( p_sys->i_code == 301 || p_sys->i_code == 302 ||
476 p_sys->i_code == 303 || p_sys->i_code == 307 ) &&
477 p_sys->psz_location && *p_sys->psz_location )
479 msg_Dbg( p_access, "redirection to %s", p_sys->psz_location );
481 /* Do not accept redirection outside of HTTP works */
482 if( strncmp( p_sys->psz_location, "http", 4 )
483 || ( ( p_sys->psz_location[4] != ':' ) /* HTTP */
484 && strncmp( p_sys->psz_location + 4, "s:", 2 ) /* HTTP/SSL */ ) )
486 msg_Err( p_access, "insecure redirection ignored" );
489 free( p_access->psz_path );
490 p_access->psz_path = strdup( p_sys->psz_location );
491 /* Clean up current Open() run */
492 vlc_UrlClean( &p_sys->url );
493 AuthReset( &p_sys->auth );
494 vlc_UrlClean( &p_sys->proxy );
495 free( p_sys->psz_proxy_passbuf );
496 AuthReset( &p_sys->proxy_auth );
497 free( p_sys->psz_mime );
498 free( p_sys->psz_pragma );
499 free( p_sys->psz_location );
500 free( p_sys->psz_user_agent );
502 Disconnect( p_access );
503 cookies = p_sys->cookies;
506 /* Do new Open() run with new data */
507 return OpenWithCookies( p_this, cookies );
512 msg_Dbg( p_access, "this is actually a live mms server, BAIL" );
516 if( !strcmp( p_sys->psz_protocol, "ICY" ) || p_sys->b_icecast )
518 if( p_sys->psz_mime && strcasecmp( p_sys->psz_mime, "application/ogg" ) )
520 if( !strcasecmp( p_sys->psz_mime, "video/nsv" ) ||
521 !strcasecmp( p_sys->psz_mime, "video/nsa" ) )
523 free( p_access->psz_demux );
524 p_access->psz_demux = strdup( "nsv" );
526 else if( !strcasecmp( p_sys->psz_mime, "audio/aac" ) ||
527 !strcasecmp( p_sys->psz_mime, "audio/aacp" ) )
529 free( p_access->psz_demux );
530 p_access->psz_demux = strdup( "m4a" );
532 else if( !strcasecmp( p_sys->psz_mime, "audio/mpeg" ) )
534 free( p_access->psz_demux );
535 p_access->psz_demux = strdup( "mp3" );
538 msg_Info( p_access, "Raw-audio server found, %s demuxer selected",
539 p_access->psz_demux );
541 #if 0 /* Doesn't work really well because of the pre-buffering in
542 * shoutcast servers (the buffer content will be sent as fast as
544 p_sys->b_pace_control = false;
547 else if( !p_sys->psz_mime )
549 free( p_access->psz_demux );
551 p_access->psz_demux = strdup( "mp3" );
553 /* else probably Ogg Vorbis */
555 else if( !strcasecmp( p_access->psz_access, "unsv" ) &&
557 !strcasecmp( p_sys->psz_mime, "misc/ultravox" ) )
559 free( p_access->psz_demux );
560 /* Grrrr! detect ultravox server and force NSV demuxer */
561 p_access->psz_demux = strdup( "nsv" );
563 else if( !strcmp( p_access->psz_access, "itpc" ) )
565 free( p_access->psz_demux );
566 p_access->psz_demux = strdup( "podcast" );
568 else if( p_sys->psz_mime &&
569 !strncasecmp( p_sys->psz_mime, "application/xspf+xml", 20 ) &&
570 ( memchr( " ;\t", p_sys->psz_mime[20], 4 ) != NULL ) )
572 free( p_access->psz_demux );
573 p_access->psz_demux = strdup( "xspf-open" );
576 if( p_sys->b_reconnect ) msg_Dbg( p_access, "auto re-connect enabled" );
579 var_Create( p_access, "http-caching", VLC_VAR_INTEGER |VLC_VAR_DOINHERIT );
584 vlc_UrlClean( &p_sys->url );
585 vlc_UrlClean( &p_sys->proxy );
586 free( p_sys->psz_proxy_passbuf );
587 free( p_sys->psz_mime );
588 free( p_sys->psz_pragma );
589 free( p_sys->psz_location );
590 free( p_sys->psz_user_agent );
592 Disconnect( p_access );
597 for( i = 0; i < vlc_array_count( p_sys->cookies ); i++ )
598 free(vlc_array_item_at_index( p_sys->cookies, i ));
599 vlc_array_destroy( p_sys->cookies );
603 inflateEnd( &p_sys->inflate.stream );
609 /*****************************************************************************
611 *****************************************************************************/
612 static void Close( vlc_object_t *p_this )
614 access_t *p_access = (access_t*)p_this;
615 access_sys_t *p_sys = p_access->p_sys;
617 vlc_UrlClean( &p_sys->url );
618 AuthReset( &p_sys->auth );
619 vlc_UrlClean( &p_sys->proxy );
620 AuthReset( &p_sys->proxy_auth );
622 free( p_sys->psz_mime );
623 free( p_sys->psz_pragma );
624 free( p_sys->psz_location );
626 free( p_sys->psz_icy_name );
627 free( p_sys->psz_icy_genre );
628 free( p_sys->psz_icy_title );
630 free( p_sys->psz_user_agent );
632 Disconnect( p_access );
637 for( i = 0; i < vlc_array_count( p_sys->cookies ); i++ )
638 free(vlc_array_item_at_index( p_sys->cookies, i ));
639 vlc_array_destroy( p_sys->cookies );
643 inflateEnd( &p_sys->inflate.stream );
644 free( p_sys->inflate.p_buffer );
650 /*****************************************************************************
651 * Read: Read up to i_len bytes from the http connection and place in
652 * p_buffer. Return the actual number of bytes read
653 *****************************************************************************/
654 static int ReadICYMeta( access_t *p_access );
655 static ssize_t Read( access_t *p_access, uint8_t *p_buffer, size_t i_len )
657 access_sys_t *p_sys = p_access->p_sys;
660 if( p_sys->fd == -1 )
662 p_access->info.b_eof = true;
666 if( p_access->info.i_size >= 0 &&
667 i_len + p_access->info.i_pos > p_access->info.i_size )
669 if( ( i_len = p_access->info.i_size - p_access->info.i_pos ) == 0 )
671 p_access->info.b_eof = true;
676 if( p_sys->b_chunked )
678 if( p_sys->i_chunk < 0 )
680 p_access->info.b_eof = true;
684 if( p_sys->i_chunk <= 0 )
686 char *psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, p_sys->p_vs );
687 /* read the chunk header */
690 /* fatal error - end of file */
691 msg_Dbg( p_access, "failed reading chunk-header line" );
694 p_sys->i_chunk = strtoll( psz, NULL, 16 );
697 if( p_sys->i_chunk <= 0 ) /* eof */
700 p_access->info.b_eof = true;
705 if( i_len > p_sys->i_chunk )
707 i_len = p_sys->i_chunk;
710 else if( p_access->info.i_size != -1 && (int64_t)i_len > p_sys->i_remaining) {
711 /* Only ask for the remaining length */
712 i_len = (size_t)p_sys->i_remaining;
714 p_access->info.b_eof = true;
720 if( p_sys->i_icy_meta > 0 && p_access->info.i_pos-p_sys->i_icy_offset > 0 )
722 int64_t i_next = p_sys->i_icy_meta -
723 (p_access->info.i_pos - p_sys->i_icy_offset ) % p_sys->i_icy_meta;
725 if( i_next == p_sys->i_icy_meta )
727 if( ReadICYMeta( p_access ) )
729 p_access->info.b_eof = true;
737 i_read = net_Read( p_access, p_sys->fd, p_sys->p_vs, p_buffer, i_len, false );
741 p_access->info.i_pos += i_read;
743 if( p_sys->b_chunked )
745 p_sys->i_chunk -= i_read;
746 if( p_sys->i_chunk <= 0 )
748 /* read the empty line */
749 char *psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, p_sys->p_vs );
754 else if( i_read <= 0 )
757 * I very much doubt that this will work.
758 * If i_read == 0, the connection *IS* dead, so the only
759 * sensible thing to do is Disconnect() and then retry.
760 * Otherwise, I got recv() completely wrong. -- Courmisch
762 if( p_sys->b_continuous )
764 Request( p_access, 0 );
765 p_sys->b_continuous = false;
766 i_read = Read( p_access, p_buffer, i_len );
767 p_sys->b_continuous = true;
769 Disconnect( p_access );
770 if( p_sys->b_reconnect )
772 msg_Dbg( p_access, "got disconnected, trying to reconnect" );
773 if( Connect( p_access, p_access->info.i_pos ) )
775 msg_Dbg( p_access, "reconnection failed" );
779 p_sys->b_reconnect = false;
780 i_read = Read( p_access, p_buffer, i_len );
781 p_sys->b_reconnect = true;
786 p_access->info.b_eof = true;
787 else if( i_read < 0 )
788 p_access->b_error = true;
791 if( p_access->info.i_size != -1 )
793 p_sys->i_remaining -= i_read;
799 static int ReadICYMeta( access_t *p_access )
801 access_sys_t *p_sys = p_access->p_sys;
807 /* Read meta data length */
808 i_read = net_Read( p_access, p_sys->fd, p_sys->p_vs, &buffer, 1,
815 i_read = buffer << 4;
816 /* msg_Dbg( p_access, "ICY meta size=%u", i_read); */
818 psz_meta = malloc( i_read + 1 );
819 if( net_Read( p_access, p_sys->fd, p_sys->p_vs,
820 (uint8_t *)psz_meta, i_read, true ) != i_read )
823 psz_meta[i_read] = '\0'; /* Just in case */
825 /* msg_Dbg( p_access, "icy-meta=%s", psz_meta ); */
827 /* Now parse the meta */
828 /* Look for StreamTitle= */
829 p = strcasestr( (char *)psz_meta, "StreamTitle=" );
832 p += strlen( "StreamTitle=" );
833 if( *p == '\'' || *p == '"' )
835 char closing[] = { p[0], ';', '\0' };
836 char *psz = strstr( &p[1], closing );
838 psz = strchr( &p[1], ';' );
840 if( psz ) *psz = '\0';
844 char *psz = strchr( &p[1], ';' );
845 if( psz ) *psz = '\0';
848 if( !p_sys->psz_icy_title ||
849 strcmp( p_sys->psz_icy_title, &p[1] ) )
851 free( p_sys->psz_icy_title );
852 p_sys->psz_icy_title = EnsureUTF8( strdup( &p[1] ));
853 p_access->info.i_update |= INPUT_UPDATE_META;
855 msg_Dbg( p_access, "New Title=%s", p_sys->psz_icy_title );
864 static ssize_t ReadCompressed( access_t *p_access, uint8_t *p_buffer,
867 access_sys_t *p_sys = p_access->p_sys;
869 if( p_sys->b_compressed )
873 if( !p_sys->inflate.p_buffer )
874 p_sys->inflate.p_buffer = malloc( 256 * 1024 );
876 if( p_sys->inflate.stream.avail_in == 0 )
878 ssize_t i_read = Read( p_access, p_sys->inflate.p_buffer + p_sys->inflate.stream.avail_in, 256 * 1024 );
879 if( i_read <= 0 ) return i_read;
880 p_sys->inflate.stream.next_in = p_sys->inflate.p_buffer;
881 p_sys->inflate.stream.avail_in = i_read;
884 p_sys->inflate.stream.avail_out = i_len;
885 p_sys->inflate.stream.next_out = p_buffer;
887 i_ret = inflate( &p_sys->inflate.stream, Z_SYNC_FLUSH );
888 msg_Warn( p_access, "inflate return value: %d, %s", i_ret, p_sys->inflate.stream.msg );
890 return i_len - p_sys->inflate.stream.avail_out;
894 return Read( p_access, p_buffer, i_len );
899 /*****************************************************************************
900 * Seek: close and re-open a connection at the right place
901 *****************************************************************************/
902 static int Seek( access_t *p_access, int64_t i_pos )
904 msg_Dbg( p_access, "trying to seek to %"PRId64, i_pos );
906 Disconnect( p_access );
908 if( p_access->info.i_size
909 && (uint64_t)i_pos >= (uint64_t)p_access->info.i_size ) {
910 msg_Err( p_access, "seek to far" );
911 int retval = Seek( p_access, p_access->info.i_size - 1 );
912 if( retval == VLC_SUCCESS ) {
914 Read( p_access, p_buffer, 1);
915 p_access->info.b_eof = false;
919 if( Connect( p_access, i_pos ) )
921 msg_Err( p_access, "seek failed" );
922 p_access->info.b_eof = true;
928 /*****************************************************************************
930 *****************************************************************************/
931 static int Control( access_t *p_access, int i_query, va_list args )
933 access_sys_t *p_sys = p_access->p_sys;
941 case ACCESS_CAN_SEEK:
942 pb_bool = (bool*)va_arg( args, bool* );
943 *pb_bool = p_sys->b_seekable;
945 case ACCESS_CAN_FASTSEEK:
946 pb_bool = (bool*)va_arg( args, bool* );
949 case ACCESS_CAN_PAUSE:
950 case ACCESS_CAN_CONTROL_PACE:
951 pb_bool = (bool*)va_arg( args, bool* );
953 #if 0 /* Disable for now until we have a clock synchro algo
954 * which works with something else than MPEG over UDP */
955 *pb_bool = p_sys->b_pace_control;
961 case ACCESS_GET_PTS_DELAY:
962 pi_64 = (int64_t*)va_arg( args, int64_t * );
963 *pi_64 = (int64_t)var_GetInteger( p_access, "http-caching" ) * 1000;
967 case ACCESS_SET_PAUSE_STATE:
970 case ACCESS_GET_META:
971 p_meta = (vlc_meta_t*)va_arg( args, vlc_meta_t* );
973 if( p_sys->psz_icy_name )
974 vlc_meta_Set( p_meta, vlc_meta_Title, p_sys->psz_icy_name );
975 if( p_sys->psz_icy_genre )
976 vlc_meta_Set( p_meta, vlc_meta_Genre, p_sys->psz_icy_genre );
977 if( p_sys->psz_icy_title )
978 vlc_meta_Set( p_meta, vlc_meta_NowPlaying, p_sys->psz_icy_title );
981 case ACCESS_GET_CONTENT_TYPE:
982 *va_arg( args, char ** ) =
983 p_sys->psz_mime ? strdup( p_sys->psz_mime ) : NULL;
986 case ACCESS_GET_TITLE_INFO:
987 case ACCESS_SET_TITLE:
988 case ACCESS_SET_SEEKPOINT:
989 case ACCESS_SET_PRIVATE_ID_STATE:
993 msg_Warn( p_access, "unimplemented query in control" );
1000 /*****************************************************************************
1002 *****************************************************************************/
1003 static int Connect( access_t *p_access, int64_t i_tell )
1005 access_sys_t *p_sys = p_access->p_sys;
1006 vlc_url_t srv = p_sys->b_proxy ? p_sys->proxy : p_sys->url;
1009 free( p_sys->psz_location );
1010 free( p_sys->psz_mime );
1011 free( p_sys->psz_pragma );
1013 free( p_sys->psz_icy_genre );
1014 free( p_sys->psz_icy_name );
1015 free( p_sys->psz_icy_title );
1018 p_sys->psz_location = NULL;
1019 p_sys->psz_mime = NULL;
1020 p_sys->psz_pragma = NULL;
1021 p_sys->b_mms = false;
1022 p_sys->b_chunked = false;
1024 p_sys->i_icy_meta = 0;
1025 p_sys->i_icy_offset = i_tell;
1026 p_sys->psz_icy_name = NULL;
1027 p_sys->psz_icy_genre = NULL;
1028 p_sys->psz_icy_title = NULL;
1029 p_sys->i_remaining = 0;
1030 p_sys->b_persist = false;
1032 p_access->info.i_size = -1;
1033 p_access->info.i_pos = i_tell;
1034 p_access->info.b_eof = false;
1036 /* Open connection */
1037 assert( p_sys->fd == -1 ); /* No open sockets (leaking fds is BAD) */
1038 p_sys->fd = net_ConnectTCP( p_access, srv.psz_host, srv.i_port );
1039 if( p_sys->fd == -1 )
1041 msg_Err( p_access, "cannot connect to %s:%d", srv.psz_host, srv.i_port );
1044 setsockopt (p_sys->fd, SOL_SOCKET, SO_KEEPALIVE, &(int){ 1 }, sizeof (int));
1046 /* Initialize TLS/SSL session */
1047 if( p_sys->b_ssl == true )
1049 /* CONNECT to establish TLS tunnel through HTTP proxy */
1050 if( p_sys->b_proxy )
1053 unsigned i_status = 0;
1055 if( p_sys->i_version == 0 )
1057 /* CONNECT is not in HTTP/1.0 */
1058 Disconnect( p_access );
1062 net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL,
1063 "CONNECT %s:%d HTTP/1.%d\r\nHost: %s:%d\r\n\r\n",
1064 p_sys->url.psz_host, p_sys->url.i_port,
1066 p_sys->url.psz_host, p_sys->url.i_port);
1068 psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, NULL );
1071 msg_Err( p_access, "cannot establish HTTP/TLS tunnel" );
1072 Disconnect( p_access );
1076 sscanf( psz, "HTTP/%*u.%*u %3u", &i_status );
1079 if( ( i_status / 100 ) != 2 )
1081 msg_Err( p_access, "HTTP/TLS tunnel through proxy denied" );
1082 Disconnect( p_access );
1088 psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, NULL );
1091 msg_Err( p_access, "HTTP proxy connection failed" );
1092 Disconnect( p_access );
1101 if( !vlc_object_alive (p_access) || p_access->b_error )
1103 Disconnect( p_access );
1110 /* TLS/SSL handshake */
1111 p_sys->p_tls = tls_ClientCreate( VLC_OBJECT(p_access), p_sys->fd,
1113 if( p_sys->p_tls == NULL )
1115 msg_Err( p_access, "cannot establish HTTP/TLS session" );
1116 Disconnect( p_access );
1119 p_sys->p_vs = &p_sys->p_tls->sock;
1122 return Request( p_access, i_tell ) ? -2 : 0;
1126 static int Request( access_t *p_access, int64_t i_tell )
1128 access_sys_t *p_sys = p_access->p_sys;
1130 v_socket_t *pvs = p_sys->p_vs;
1131 p_sys->b_persist = false;
1133 p_sys->i_remaining = 0;
1134 if( p_sys->b_proxy )
1136 if( p_sys->url.psz_path )
1138 net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL,
1139 "GET http://%s:%d%s HTTP/1.%d\r\n",
1140 p_sys->url.psz_host, p_sys->url.i_port,
1141 p_sys->url.psz_path, p_sys->i_version );
1145 net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL,
1146 "GET http://%s:%d/ HTTP/1.%d\r\n",
1147 p_sys->url.psz_host, p_sys->url.i_port,
1153 const char *psz_path = p_sys->url.psz_path;
1154 if( !psz_path || !*psz_path )
1158 if( p_sys->url.i_port != (pvs ? 443 : 80) )
1160 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs,
1161 "GET %s HTTP/1.%d\r\nHost: %s:%d\r\n",
1162 psz_path, p_sys->i_version, p_sys->url.psz_host,
1163 p_sys->url.i_port );
1167 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs,
1168 "GET %s HTTP/1.%d\r\nHost: %s\r\n",
1169 psz_path, p_sys->i_version, p_sys->url.psz_host );
1173 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs, "User-Agent: %s\r\n",
1174 p_sys->psz_user_agent );
1176 if( p_sys->i_version == 1 && ! p_sys->b_continuous )
1178 p_sys->b_persist = true;
1179 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs,
1180 "Range: bytes=%"PRIu64"-\r\n", i_tell );
1184 if( p_sys->cookies )
1187 for( i = 0; i < vlc_array_count( p_sys->cookies ); i++ )
1189 const char * cookie = vlc_array_item_at_index( p_sys->cookies, i );
1190 char * psz_cookie_content = cookie_get_content( cookie );
1191 char * psz_cookie_domain = cookie_get_domain( cookie );
1193 assert( psz_cookie_content );
1195 /* FIXME: This is clearly not conforming to the rfc */
1196 bool is_in_right_domain = (!psz_cookie_domain || strstr( p_sys->url.psz_host, psz_cookie_domain ));
1198 if( is_in_right_domain )
1200 msg_Dbg( p_access, "Sending Cookie %s", psz_cookie_content );
1201 if( net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs, "Cookie: %s\r\n", psz_cookie_content ) < 0 )
1202 msg_Err( p_access, "failed to send Cookie" );
1204 free( psz_cookie_content );
1205 free( psz_cookie_domain );
1209 /* Authentication */
1210 if( p_sys->url.psz_username || p_sys->url.psz_password )
1211 AuthReply( p_access, "", &p_sys->url, &p_sys->auth );
1213 /* Proxy Authentication */
1214 if( p_sys->proxy.psz_username || p_sys->proxy.psz_password )
1215 AuthReply( p_access, "Proxy-", &p_sys->proxy, &p_sys->proxy_auth );
1217 /* ICY meta data request */
1218 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs, "Icy-MetaData: 1\r\n" );
1221 if( net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs, "\r\n" ) < 0 )
1223 msg_Err( p_access, "failed to send request" );
1224 Disconnect( p_access );
1225 return VLC_EGENERIC;
1229 if( ( psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, pvs ) ) == NULL )
1231 msg_Err( p_access, "failed to read answer" );
1234 if( !strncmp( psz, "HTTP/1.", 7 ) )
1236 p_sys->psz_protocol = "HTTP";
1237 p_sys->i_code = atoi( &psz[9] );
1239 else if( !strncmp( psz, "ICY", 3 ) )
1241 p_sys->psz_protocol = "ICY";
1242 p_sys->i_code = atoi( &psz[4] );
1243 p_sys->b_reconnect = true;
1247 msg_Err( p_access, "invalid HTTP reply '%s'", psz );
1251 msg_Dbg( p_access, "protocol '%s' answer code %d",
1252 p_sys->psz_protocol, p_sys->i_code );
1253 if( !strcmp( p_sys->psz_protocol, "ICY" ) )
1255 p_sys->b_seekable = false;
1257 if( p_sys->i_code != 206 && p_sys->i_code != 401 )
1259 p_sys->b_seekable = false;
1261 /* Authentication error - We'll have to display the dialog */
1262 if( p_sys->i_code == 401 )
1266 /* Other fatal error */
1267 else if( p_sys->i_code >= 400 )
1269 msg_Err( p_access, "error: %s", psz );
1277 char *psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, pvs );
1282 msg_Err( p_access, "failed to read answer" );
1286 if( !vlc_object_alive (p_access) || p_access->b_error )
1292 /* msg_Dbg( p_input, "Line=%s", psz ); */
1299 if( ( p = strchr( psz, ':' ) ) == NULL )
1301 msg_Err( p_access, "malformed header line: %s", psz );
1306 while( *p == ' ' ) p++;
1308 if( !strcasecmp( psz, "Content-Length" ) )
1310 int64_t i_size = i_tell + (p_sys->i_remaining = atoll( p ));
1311 if(i_size > p_access->info.i_size) {
1312 p_access->info.i_size = i_size;
1314 msg_Dbg( p_access, "this frame size=%"PRId64, p_sys->i_remaining );
1316 else if( !strcasecmp( psz, "Content-Range" ) ) {
1317 int64_t i_ntell = i_tell;
1318 int64_t i_nend = (p_access->info.i_size > 0)?(p_access->info.i_size - 1):i_tell;
1319 int64_t i_nsize = p_access->info.i_size;
1320 sscanf(p,"bytes %"PRId64"-%"PRId64"/%"PRId64,&i_ntell,&i_nend,&i_nsize);
1321 if(i_nend > i_ntell ) {
1322 p_access->info.i_pos = i_ntell;
1323 p_sys->i_remaining = i_nend+1-i_ntell;
1324 int64_t i_size = (i_nsize > i_nend) ? i_nsize : (i_nend + 1);
1325 if(i_size > p_access->info.i_size) {
1326 p_access->info.i_size = i_size;
1328 msg_Dbg( p_access, "stream size=%"PRId64",pos=%"PRId64",remaining=%"PRId64,i_nsize,i_ntell,p_sys->i_remaining);
1331 else if( !strcasecmp( psz, "Connection" ) ) {
1332 msg_Dbg( p_access, "Connection: %s",p );
1334 sscanf(p, "close%n",&i);
1336 p_sys->b_persist = false;
1339 else if( !strcasecmp( psz, "Location" ) )
1343 /* This does not follow RFC 2068, but yet if the url is not absolute,
1344 * handle it as everyone does. */
1347 const char *psz_http_ext = p_sys->b_ssl ? "s" : "" ;
1349 if( p_sys->url.i_port == ( p_sys->b_ssl ? 443 : 80 ) )
1351 if( asprintf(&psz_new_loc, "http%s://%s%s", psz_http_ext,
1352 p_sys->url.psz_host, p) < 0 )
1357 if( asprintf(&psz_new_loc, "http%s://%s:%d%s", psz_http_ext,
1358 p_sys->url.psz_host, p_sys->url.i_port, p) < 0 )
1364 psz_new_loc = strdup( p );
1367 free( p_sys->psz_location );
1368 p_sys->psz_location = psz_new_loc;
1370 else if( !strcasecmp( psz, "Content-Type" ) )
1372 free( p_sys->psz_mime );
1373 p_sys->psz_mime = strdup( p );
1374 msg_Dbg( p_access, "Content-Type: %s", p_sys->psz_mime );
1376 else if( !strcasecmp( psz, "Content-Encoding" ) )
1378 msg_Dbg( p_access, "Content-Encoding: %s", p );
1379 if( strcasecmp( p, "identity" ) )
1381 p_sys->b_compressed = true;
1383 msg_Warn( p_access, "Compressed content not supported. Rebuild with zlib support." );
1386 else if( !strcasecmp( psz, "Pragma" ) )
1388 if( !strcasecmp( psz, "Pragma: features" ) )
1389 p_sys->b_mms = true;
1390 free( p_sys->psz_pragma );
1391 p_sys->psz_pragma = strdup( p );
1392 msg_Dbg( p_access, "Pragma: %s", p_sys->psz_pragma );
1394 else if( !strcasecmp( psz, "Server" ) )
1396 msg_Dbg( p_access, "Server: %s", p );
1397 if( !strncasecmp( p, "Icecast", 7 ) ||
1398 !strncasecmp( p, "Nanocaster", 10 ) )
1400 /* Remember if this is Icecast
1401 * we need to force demux in this case without breaking
1404 /* Let live 365 streams (nanocaster) piggyback on the icecast
1405 * routine. They look very similar */
1407 p_sys->b_reconnect = true;
1408 p_sys->b_pace_control = false;
1409 p_sys->b_icecast = true;
1412 else if( !strcasecmp( psz, "Transfer-Encoding" ) )
1414 msg_Dbg( p_access, "Transfer-Encoding: %s", p );
1415 if( !strncasecmp( p, "chunked", 7 ) )
1417 p_sys->b_chunked = true;
1420 else if( !strcasecmp( psz, "Icy-MetaInt" ) )
1422 msg_Dbg( p_access, "Icy-MetaInt: %s", p );
1423 p_sys->i_icy_meta = atoi( p );
1424 if( p_sys->i_icy_meta < 0 )
1425 p_sys->i_icy_meta = 0;
1426 if( p_sys->i_icy_meta > 0 )
1427 p_sys->b_icecast = true;
1429 msg_Warn( p_access, "ICY metaint=%d", p_sys->i_icy_meta );
1431 else if( !strcasecmp( psz, "Icy-Name" ) )
1433 free( p_sys->psz_icy_name );
1434 p_sys->psz_icy_name = EnsureUTF8( strdup( p ));
1435 msg_Dbg( p_access, "Icy-Name: %s", p_sys->psz_icy_name );
1437 p_sys->b_icecast = true; /* be on the safeside. set it here as well. */
1438 p_sys->b_reconnect = true;
1439 p_sys->b_pace_control = false;
1441 else if( !strcasecmp( psz, "Icy-Genre" ) )
1443 free( p_sys->psz_icy_genre );
1444 p_sys->psz_icy_genre = EnsureUTF8( strdup( p ));
1445 msg_Dbg( p_access, "Icy-Genre: %s", p_sys->psz_icy_genre );
1447 else if( !strncasecmp( psz, "Icy-Notice", 10 ) )
1449 msg_Dbg( p_access, "Icy-Notice: %s", p );
1451 else if( !strncasecmp( psz, "icy-", 4 ) ||
1452 !strncasecmp( psz, "ice-", 4 ) ||
1453 !strncasecmp( psz, "x-audiocast", 11 ) )
1455 msg_Dbg( p_access, "Meta-Info: %s: %s", psz, p );
1457 else if( !strcasecmp( psz, "Set-Cookie" ) )
1459 if( p_sys->cookies )
1461 msg_Dbg( p_access, "Accepting Cookie: %s", p );
1462 cookie_append( p_sys->cookies, strdup(p) );
1465 msg_Dbg( p_access, "We have a Cookie we won't remember: %s", p );
1467 else if( !strcasecmp( psz, "www-authenticate" ) )
1469 msg_Dbg( p_access, "Authentication header: %s", p );
1470 AuthParseHeader( p_access, p, &p_sys->auth );
1472 else if( !strcasecmp( psz, "proxy-authenticate" ) )
1474 msg_Dbg( p_access, "Proxy authentication header: %s", p );
1475 AuthParseHeader( p_access, p, &p_sys->proxy_auth );
1477 else if( !strcasecmp( psz, "authentication-info" ) )
1479 msg_Dbg( p_access, "Authentication Info header: %s", p );
1480 if( AuthCheckReply( p_access, p, &p_sys->url, &p_sys->auth ) )
1483 else if( !strcasecmp( psz, "proxy-authentication-info" ) )
1485 msg_Dbg( p_access, "Proxy Authentication Info header: %s", p );
1486 if( AuthCheckReply( p_access, p, &p_sys->proxy, &p_sys->proxy_auth ) )
1492 /* We close the stream for zero length data, unless of course the
1493 * server has already promised to do this for us.
1495 if( p_access->info.i_size != -1 && p_sys->i_remaining == 0 && p_sys->b_persist ) {
1496 Disconnect( p_access );
1501 Disconnect( p_access );
1502 return VLC_EGENERIC;
1505 /*****************************************************************************
1507 *****************************************************************************/
1508 static void Disconnect( access_t *p_access )
1510 access_sys_t *p_sys = p_access->p_sys;
1512 if( p_sys->p_tls != NULL)
1514 tls_ClientDelete( p_sys->p_tls );
1515 p_sys->p_tls = NULL;
1518 if( p_sys->fd != -1)
1520 net_Close(p_sys->fd);
1526 /*****************************************************************************
1527 * Cookies (FIXME: we may want to rewrite that using a nice structure to hold
1528 * them) (FIXME: only support the "domain=" param)
1529 *****************************************************************************/
1531 /* Get the NAME=VALUE part of the Cookie */
1532 static char * cookie_get_content( const char * cookie )
1534 char * ret = strdup( cookie );
1535 if( !ret ) return NULL;
1537 /* Look for a ';' */
1538 while( *str && *str != ';' ) str++;
1539 /* Replace it by a end-char */
1540 if( *str == ';' ) *str = 0;
1544 /* Get the domain where the cookie is stored */
1545 static char * cookie_get_domain( const char * cookie )
1547 const char * str = cookie;
1548 static const char domain[] = "domain=";
1551 /* Look for a ';' */
1554 if( !strncmp( str, domain, sizeof(domain) - 1 /* minus \0 */ ) )
1556 str += sizeof(domain) - 1 /* minus \0 */;
1557 char * ret = strdup( str );
1558 /* Now remove the next ';' if present */
1559 char * ret_iter = ret;
1560 while( *ret_iter && *ret_iter != ';' ) ret_iter++;
1561 if( *ret_iter == ';' )
1565 /* Go to next ';' field */
1566 while( *str && *str != ';' ) str++;
1567 if( *str == ';' ) str++;
1569 while( *str && *str == ' ' ) str++;
1574 /* Get NAME in the NAME=VALUE field */
1575 static char * cookie_get_name( const char * cookie )
1577 char * ret = cookie_get_content( cookie ); /* NAME=VALUE */
1578 if( !ret ) return NULL;
1580 while( *str && *str != '=' ) str++;
1585 /* Add a cookie in cookies, checking to see how it should be added */
1586 static void cookie_append( vlc_array_t * cookies, char * cookie )
1593 char * cookie_name = cookie_get_name( cookie );
1595 /* Don't send invalid cookies */
1599 char * cookie_domain = cookie_get_domain( cookie );
1600 for( i = 0; i < vlc_array_count( cookies ); i++ )
1602 char * current_cookie = vlc_array_item_at_index( cookies, i );
1603 char * current_cookie_name = cookie_get_name( current_cookie );
1604 char * current_cookie_domain = cookie_get_domain( current_cookie );
1606 assert( current_cookie_name );
1608 bool is_domain_matching = ( cookie_domain && current_cookie_domain &&
1609 !strcmp( cookie_domain, current_cookie_domain ) );
1611 if( is_domain_matching && !strcmp( cookie_name, current_cookie_name ) )
1613 /* Remove previous value for this cookie */
1614 free( current_cookie );
1615 vlc_array_remove( cookies, i );
1618 free( current_cookie_name );
1619 free( current_cookie_domain );
1622 free( current_cookie_name );
1623 free( current_cookie_domain );
1625 free( cookie_name );
1626 free( cookie_domain );
1627 vlc_array_append( cookies, cookie );
1630 /*****************************************************************************
1631 * "RFC 2617: Basic and Digest Access Authentication" header parsing
1632 *****************************************************************************/
1633 static char *AuthGetParam( const char *psz_header, const char *psz_param )
1635 char psz_what[strlen(psz_param)+3];
1636 sprintf( psz_what, "%s=\"", psz_param );
1637 psz_header = strstr( psz_header, psz_what );
1640 const char *psz_end;
1641 psz_header += strlen( psz_what );
1642 psz_end = strchr( psz_header, '"' );
1643 if( !psz_end ) /* Invalid since we should have a closing quote */
1644 return strdup( psz_header );
1645 return strndup( psz_header, psz_end - psz_header );
1653 static char *AuthGetParamNoQuotes( const char *psz_header, const char *psz_param )
1655 char psz_what[strlen(psz_param)+2];
1656 sprintf( psz_what, "%s=", psz_param );
1657 psz_header = strstr( psz_header, psz_what );
1660 const char *psz_end;
1661 psz_header += strlen( psz_what );
1662 psz_end = strchr( psz_header, ',' );
1663 /* XXX: Do we need to filter out trailing space between the value and
1664 * the comma/end of line? */
1665 if( !psz_end ) /* Can be valid if this is the last parameter */
1666 return strdup( psz_header );
1667 return strndup( psz_header, psz_end - psz_header );
1675 static void AuthParseHeader( access_t *p_access, const char *psz_header,
1676 http_auth_t *p_auth )
1678 /* FIXME: multiple auth methods can be listed (comma seperated) */
1680 /* 2 Basic Authentication Scheme */
1681 if( !strncasecmp( psz_header, "Basic ", strlen( "Basic " ) ) )
1683 msg_Dbg( p_access, "Using Basic Authentication" );
1684 psz_header += strlen( "Basic " );
1685 p_auth->psz_realm = AuthGetParam( psz_header, "realm" );
1686 if( !p_auth->psz_realm )
1687 msg_Warn( p_access, "Basic Authentication: "
1688 "Mandatory 'realm' parameter is missing" );
1690 /* 3 Digest Access Authentication Scheme */
1691 else if( !strncasecmp( psz_header, "Digest ", strlen( "Digest " ) ) )
1693 msg_Dbg( p_access, "Using Digest Access Authentication" );
1694 if( p_auth->psz_nonce ) return; /* FIXME */
1695 psz_header += strlen( "Digest " );
1696 p_auth->psz_realm = AuthGetParam( psz_header, "realm" );
1697 p_auth->psz_domain = AuthGetParam( psz_header, "domain" );
1698 p_auth->psz_nonce = AuthGetParam( psz_header, "nonce" );
1699 p_auth->psz_opaque = AuthGetParam( psz_header, "opaque" );
1700 p_auth->psz_stale = AuthGetParamNoQuotes( psz_header, "stale" );
1701 p_auth->psz_algorithm = AuthGetParamNoQuotes( psz_header, "algorithm" );
1702 p_auth->psz_qop = AuthGetParam( psz_header, "qop" );
1703 p_auth->i_nonce = 0;
1704 /* printf("realm: |%s|\ndomain: |%s|\nnonce: |%s|\nopaque: |%s|\n"
1705 "stale: |%s|\nalgorithm: |%s|\nqop: |%s|\n",
1706 p_auth->psz_realm,p_auth->psz_domain,p_auth->psz_nonce,
1707 p_auth->psz_opaque,p_auth->psz_stale,p_auth->psz_algorithm,
1708 p_auth->psz_qop); */
1709 if( !p_auth->psz_realm )
1710 msg_Warn( p_access, "Digest Access Authentication: "
1711 "Mandatory 'realm' parameter is missing" );
1712 if( !p_auth->psz_nonce )
1713 msg_Warn( p_access, "Digest Access Authentication: "
1714 "Mandatory 'nonce' parameter is missing" );
1715 if( p_auth->psz_qop ) /* FIXME: parse the qop list */
1717 char *psz_tmp = strchr( p_auth->psz_qop, ',' );
1718 if( psz_tmp ) *psz_tmp = '\0';
1723 const char *psz_end = strchr( psz_header, ' ' );
1725 msg_Warn( p_access, "Unknown authentication scheme: '%*s'",
1726 (int)(psz_end - psz_header), psz_header );
1728 msg_Warn( p_access, "Unknown authentication scheme: '%s'",
1733 static char *AuthDigest( access_t *p_access, vlc_url_t *p_url,
1734 http_auth_t *p_auth, const char *psz_method )
1737 const char *psz_username = p_url->psz_username ?: "";
1738 const char *psz_password = p_url->psz_password ?: "";
1740 char *psz_HA1 = NULL;
1741 char *psz_HA2 = NULL;
1742 char *psz_response = NULL;
1746 if( p_auth->psz_HA1 )
1748 psz_HA1 = strdup( p_auth->psz_HA1 );
1749 if( !psz_HA1 ) goto error;
1754 AddMD5( &md5, psz_username, strlen( psz_username ) );
1755 AddMD5( &md5, ":", 1 );
1756 AddMD5( &md5, p_auth->psz_realm, strlen( p_auth->psz_realm ) );
1757 AddMD5( &md5, ":", 1 );
1758 AddMD5( &md5, psz_password, strlen( psz_password ) );
1761 psz_HA1 = psz_md5_hash( &md5 );
1762 if( !psz_HA1 ) goto error;
1764 if( p_auth->psz_algorithm
1765 && !strcmp( p_auth->psz_algorithm, "MD5-sess" ) )
1768 AddMD5( &md5, psz_HA1, 32 );
1770 AddMD5( &md5, ":", 1 );
1771 AddMD5( &md5, p_auth->psz_nonce, strlen( p_auth->psz_nonce ) );
1772 AddMD5( &md5, ":", 1 );
1773 AddMD5( &md5, p_auth->psz_cnonce, strlen( p_auth->psz_cnonce ) );
1776 psz_HA1 = psz_md5_hash( &md5 );
1777 if( !psz_HA1 ) goto error;
1778 p_auth->psz_HA1 = strdup( psz_HA1 );
1779 if( !p_auth->psz_HA1 ) goto error;
1786 AddMD5( &md5, psz_method, strlen( psz_method ) );
1787 AddMD5( &md5, ":", 1 );
1788 if( p_url->psz_path )
1789 AddMD5( &md5, p_url->psz_path, strlen( p_url->psz_path ) );
1791 AddMD5( &md5, "/", 1 );
1792 if( p_auth->psz_qop && !strcmp( p_auth->psz_qop, "auth-int" ) )
1797 AddMD5( &ent, "", 0 ); /* XXX: entity-body. should be ok for GET */
1799 psz_ent = psz_md5_hash( &ent );
1800 if( !psz_ent ) goto error;
1801 AddMD5( &md5, ":", 1 );
1802 AddMD5( &md5, psz_ent, 32 );
1806 psz_HA2 = psz_md5_hash( &md5 );
1807 if( !psz_HA2 ) goto error;
1809 /* Request digest */
1811 AddMD5( &md5, psz_HA1, 32 );
1812 AddMD5( &md5, ":", 1 );
1813 AddMD5( &md5, p_auth->psz_nonce, strlen( p_auth->psz_nonce ) );
1814 AddMD5( &md5, ":", 1 );
1816 && ( !strcmp( p_auth->psz_qop, "auth" )
1817 || !strcmp( p_auth->psz_qop, "auth-int" ) ) )
1820 snprintf( psz_inonce, 9, "%08x", p_auth->i_nonce );
1821 AddMD5( &md5, psz_inonce, 8 );
1822 AddMD5( &md5, ":", 1 );
1823 AddMD5( &md5, p_auth->psz_cnonce, strlen( p_auth->psz_cnonce ) );
1824 AddMD5( &md5, ":", 1 );
1825 AddMD5( &md5, p_auth->psz_qop, strlen( p_auth->psz_qop ) );
1826 AddMD5( &md5, ":", 1 );
1828 AddMD5( &md5, psz_HA2, 32 );
1830 psz_response = psz_md5_hash( &md5 );
1835 return psz_response;
1839 static void AuthReply( access_t *p_access, const char *psz_prefix,
1840 vlc_url_t *p_url, http_auth_t *p_auth )
1842 access_sys_t *p_sys = p_access->p_sys;
1843 v_socket_t *pvs = p_sys->p_vs;
1845 const char *psz_username = p_url->psz_username ?: "";
1846 const char *psz_password = p_url->psz_password ?: "";
1848 if( p_auth->psz_nonce )
1850 /* Digest Access Authentication */
1853 if( p_auth->psz_algorithm
1854 && strcmp( p_auth->psz_algorithm, "MD5" )
1855 && strcmp( p_auth->psz_algorithm, "MD5-sess" ) )
1857 msg_Err( p_access, "Digest Access Authentication: "
1858 "Unknown algorithm '%s'", p_auth->psz_algorithm );
1862 if( p_auth->psz_qop || !p_auth->psz_cnonce )
1864 /* FIXME: needs to be really random to prevent man in the middle
1866 free( p_auth->psz_cnonce );
1867 p_auth->psz_cnonce = strdup( "Some random string FIXME" );
1871 psz_response = AuthDigest( p_access, p_url, p_auth, "GET" );
1872 if( !psz_response ) return;
1874 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs,
1875 "%sAuthorization: Digest "
1876 /* Mandatory parameters */
1882 /* Optional parameters */
1883 "%s%s%s" /* algorithm */
1884 "%s%s%s" /* cnonce */
1885 "%s%s%s" /* opaque */
1886 "%s%s%s" /* message qop */
1887 "%s%08x%s" /* nonce count */
1889 /* Mandatory parameters */
1894 p_url->psz_path ?: "/",
1896 /* Optional parameters */
1897 p_auth->psz_algorithm ? "algorithm=\"" : "",
1898 p_auth->psz_algorithm ?: "",
1899 p_auth->psz_algorithm ? "\", " : "",
1900 p_auth->psz_cnonce ? "cnonce=\"" : "",
1901 p_auth->psz_cnonce ?: "",
1902 p_auth->psz_cnonce ? "\", " : "",
1903 p_auth->psz_opaque ? "opaque=\"" : "",
1904 p_auth->psz_opaque ?: "",
1905 p_auth->psz_opaque ? "\", " : "",
1906 p_auth->psz_qop ? "qop=\"" : "",
1907 p_auth->psz_qop ?: "",
1908 p_auth->psz_qop ? "\", " : "",
1909 p_auth->i_nonce ? "nc=\"" : "uglyhack=\"", /* Will be parsed as an unhandled extension */
1911 p_auth->i_nonce ? "\"" : "\""
1914 free( psz_response );
1918 /* Basic Access Authentication */
1919 char buf[strlen( psz_username ) + strlen( psz_password ) + 2];
1922 snprintf( buf, sizeof( buf ), "%s:%s", psz_username, psz_password );
1923 b64 = vlc_b64_encode( buf );
1927 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs,
1928 "%sAuthorization: Basic %s\r\n", psz_prefix, b64 );
1934 static int AuthCheckReply( access_t *p_access, const char *psz_header,
1935 vlc_url_t *p_url, http_auth_t *p_auth )
1937 int i_ret = VLC_EGENERIC;
1938 char *psz_nextnonce = AuthGetParam( psz_header, "nextnonce" );
1939 char *psz_qop = AuthGetParamNoQuotes( psz_header, "qop" );
1940 char *psz_rspauth = AuthGetParam( psz_header, "rspauth" );
1941 char *psz_cnonce = AuthGetParam( psz_header, "cnonce" );
1942 char *psz_nc = AuthGetParamNoQuotes( psz_header, "nc" );
1948 if( strcmp( psz_cnonce, p_auth->psz_cnonce ) )
1950 msg_Err( p_access, "HTTP Digest Access Authentication: server replied with a different client nonce value." );
1957 i_nonce = strtol( psz_nc, NULL, 16 );
1958 if( i_nonce != p_auth->i_nonce )
1960 msg_Err( p_access, "HTTP Digest Access Authentication: server replied with a different nonce count value." );
1965 if( psz_qop && p_auth->psz_qop && strcmp( psz_qop, p_auth->psz_qop ) )
1966 msg_Warn( p_access, "HTTP Digest Access Authentication: server replied using a different 'quality of protection' option" );
1968 /* All the clear text values match, let's now check the response
1970 psz_digest = AuthDigest( p_access, p_url, p_auth, "" );
1971 if( strcmp( psz_digest, psz_rspauth ) )
1973 msg_Err( p_access, "HTTP Digest Access Authentication: server replied with an invalid response digest (expected value: %s).", psz_digest );
1982 free( p_auth->psz_nonce );
1983 p_auth->psz_nonce = psz_nextnonce;
1984 psz_nextnonce = NULL;
1987 i_ret = VLC_SUCCESS;
1989 free( psz_nextnonce );
1991 free( psz_rspauth );
1998 static void AuthReset( http_auth_t *p_auth )
2000 FREENULL( p_auth->psz_realm );
2001 FREENULL( p_auth->psz_domain );
2002 FREENULL( p_auth->psz_nonce );
2003 FREENULL( p_auth->psz_opaque );
2004 FREENULL( p_auth->psz_stale );
2005 FREENULL( p_auth->psz_algorithm );
2006 FREENULL( p_auth->psz_qop );
2007 p_auth->i_nonce = 0;
2008 FREENULL( p_auth->psz_cnonce );
2009 FREENULL( p_auth->psz_HA1 );