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 )
118 add_bool( "http-forward-cookies", true, NULL, FORWARD_COOKIES_TEXT,
119 FORWARD_COOKIES_LONGTEXT, true )
120 add_obsolete_string("http-user")
121 add_obsolete_string("http-pwd")
122 add_shortcut( "http" )
123 add_shortcut( "https" )
124 add_shortcut( "unsv" )
125 add_shortcut( "itpc" ) /* iTunes Podcast */
126 set_callbacks( Open, Close )
129 /*****************************************************************************
131 *****************************************************************************/
133 /* RFC 2617: Basic and Digest Access Authentication */
134 typedef struct http_auth_t
145 char *psz_HA1; /* stored H(A1) value if algorithm = "MD5-sess" */
151 tls_session_t *p_tls;
156 char *psz_user_agent;
162 http_auth_t proxy_auth;
163 char *psz_proxy_passbuf;
167 const char *psz_protocol;
189 int64_t i_icy_offset;
202 vlc_array_t * cookies;
206 static int OpenWithCookies( vlc_object_t *p_this, vlc_array_t *cookies );
209 static ssize_t Read( access_t *, uint8_t *, size_t );
210 static ssize_t ReadCompressed( access_t *, uint8_t *, size_t );
211 static int Seek( access_t *, int64_t );
212 static int Control( access_t *, int, va_list );
215 static int Connect( access_t *, int64_t );
216 static int Request( access_t *p_access, int64_t i_tell );
217 static void Disconnect( access_t * );
219 /* Small Cookie utilities. Cookies support is partial. */
220 static char * cookie_get_content( const char * cookie );
221 static char * cookie_get_domain( const char * cookie );
222 static char * cookie_get_name( const char * cookie );
223 static void cookie_append( vlc_array_t * cookies, char * cookie );
226 static void AuthParseHeader( access_t *p_access, const char *psz_header,
227 http_auth_t *p_auth );
228 static void AuthReply( access_t *p_acces, const char *psz_prefix,
229 vlc_url_t *p_url, http_auth_t *p_auth );
230 static int AuthCheckReply( access_t *p_access, const char *psz_header,
231 vlc_url_t *p_url, http_auth_t *p_auth );
232 static void AuthReset( http_auth_t *p_auth );
234 /*****************************************************************************
236 *****************************************************************************/
237 static int Open( vlc_object_t *p_this )
239 return OpenWithCookies( p_this, NULL );
242 static int OpenWithCookies( vlc_object_t *p_this, vlc_array_t *cookies )
244 access_t *p_access = (access_t*)p_this;
247 /* Only forward an store cookies if the corresponding option is activated */
248 bool b_forward_cookies = var_CreateGetBool( p_access, "http-forward-cookies" );
249 vlc_array_t * saved_cookies = b_forward_cookies ? (cookies ?: vlc_array_new()) : NULL;
251 /* Set up p_access */
252 STANDARD_READ_ACCESS_INIT;
254 p_access->pf_read = ReadCompressed;
257 p_sys->b_proxy = false;
258 p_sys->psz_proxy_passbuf = NULL;
259 p_sys->i_version = 1;
260 p_sys->b_seekable = true;
261 p_sys->psz_mime = NULL;
262 p_sys->psz_pragma = NULL;
263 p_sys->b_mms = false;
264 p_sys->b_icecast = false;
265 p_sys->psz_location = NULL;
266 p_sys->psz_user_agent = NULL;
267 p_sys->b_pace_control = true;
268 p_sys->b_ssl = false;
270 p_sys->b_compressed = false;
271 /* 15 is the max windowBits, +32 to enable optional gzip decoding */
272 if( inflateInit2( &p_sys->inflate.stream, 32+15 ) != Z_OK )
273 msg_Warn( p_access, "Error during zlib initialisation: %s",
274 p_sys->inflate.stream.msg );
275 if( zlibCompileFlags() & (1<<17) )
276 msg_Warn( p_access, "Your zlib was compiled without gzip support." );
277 p_sys->inflate.p_buffer = NULL;
281 p_sys->i_icy_meta = 0;
282 p_sys->i_icy_offset = 0;
283 p_sys->psz_icy_name = NULL;
284 p_sys->psz_icy_genre = NULL;
285 p_sys->psz_icy_title = NULL;
286 p_sys->i_remaining = 0;
287 p_sys->b_persist = false;
288 p_access->info.i_size = -1;
289 p_access->info.i_pos = 0;
290 p_access->info.b_eof = false;
292 p_sys->cookies = saved_cookies;
294 /* Parse URI - remove spaces */
295 p = psz = strdup( p_access->psz_path );
296 while( (p = strchr( p, ' ' )) != NULL )
298 vlc_UrlParse( &p_sys->url, psz, 0 );
301 if( p_sys->url.psz_host == NULL || *p_sys->url.psz_host == '\0' )
303 msg_Warn( p_access, "invalid host" );
306 if( !strncmp( p_access->psz_access, "https", 5 ) )
310 if( p_sys->url.i_port <= 0 )
311 p_sys->url.i_port = 443;
315 if( p_sys->url.i_port <= 0 )
316 p_sys->url.i_port = 80;
320 p_sys->psz_user_agent = var_CreateGetString( p_access, "http-user-agent" );
323 psz = var_CreateGetNonEmptyString( p_access, "http-proxy" );
326 p_sys->b_proxy = true;
327 vlc_UrlParse( &p_sys->proxy, psz, 0 );
333 pxProxyFactory *pf = px_proxy_factory_new();
338 i=asprintf(&buf, "%s://%s", p_access->psz_access, p_access->psz_path);
341 msg_Dbg(p_access, "asking libproxy about url '%s'", buf);
342 char **proxies = px_proxy_factory_get_proxies(pf, buf);
345 msg_Dbg(p_access, "libproxy suggest to use '%s'", proxies[0]);
346 if(strcmp(proxies[0],"direct://") != 0)
348 p_sys->b_proxy = true;
349 vlc_UrlParse( &p_sys->proxy, proxies[0], 0);
352 for(i=0;proxies[i];i++) free(proxies[i]);
356 px_proxy_factory_free(pf);
360 msg_Err(p_access, "Allocating memory for libproxy failed");
366 psz = getenv( "http_proxy" );
369 p_sys->b_proxy = true;
370 vlc_UrlParse( &p_sys->proxy, psz, 0 );
374 if( psz ) /* No, this is NOT a use-after-free error */
376 psz = var_CreateGetNonEmptyString( p_access, "http-proxy-pwd" );
378 p_sys->proxy.psz_password = p_sys->psz_proxy_passbuf = psz;
383 if( p_sys->proxy.psz_host == NULL || *p_sys->proxy.psz_host == '\0' )
385 msg_Warn( p_access, "invalid proxy host" );
388 if( p_sys->proxy.i_port <= 0 )
390 p_sys->proxy.i_port = 80;
394 msg_Dbg( p_access, "http: server='%s' port=%d file='%s",
395 p_sys->url.psz_host, p_sys->url.i_port, p_sys->url.psz_path );
398 msg_Dbg( p_access, " proxy %s:%d", p_sys->proxy.psz_host,
399 p_sys->proxy.i_port );
401 if( p_sys->url.psz_username && *p_sys->url.psz_username )
403 msg_Dbg( p_access, " user='%s'", p_sys->url.psz_username );
406 p_sys->b_reconnect = var_CreateGetBool( p_access, "http-reconnect" );
407 p_sys->b_continuous = var_CreateGetBool( p_access, "http-continuous" );
411 switch( Connect( p_access, 0 ) )
417 /* Retry with http 1.0 */
418 msg_Dbg( p_access, "switching to HTTP version 1.0" );
419 p_sys->i_version = 0;
420 p_sys->b_seekable = false;
422 if( !vlc_object_alive (p_access) || Connect( p_access, 0 ) )
430 msg_Err( p_access, "You should not be here" );
435 if( p_sys->i_code == 401 )
437 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 for( i = 0; i < vlc_array_count( p_sys->cookies ); i++ )
591 free(vlc_array_item_at_index( p_sys->cookies, i ));
592 vlc_array_destroy( p_sys->cookies );
596 inflateEnd( &p_sys->inflate.stream );
602 /*****************************************************************************
604 *****************************************************************************/
605 static void Close( vlc_object_t *p_this )
607 access_t *p_access = (access_t*)p_this;
608 access_sys_t *p_sys = p_access->p_sys;
610 vlc_UrlClean( &p_sys->url );
611 AuthReset( &p_sys->auth );
612 vlc_UrlClean( &p_sys->proxy );
613 AuthReset( &p_sys->proxy_auth );
615 free( p_sys->psz_mime );
616 free( p_sys->psz_pragma );
617 free( p_sys->psz_location );
619 free( p_sys->psz_icy_name );
620 free( p_sys->psz_icy_genre );
621 free( p_sys->psz_icy_title );
623 free( p_sys->psz_user_agent );
625 Disconnect( p_access );
630 for( i = 0; i < vlc_array_count( p_sys->cookies ); i++ )
631 free(vlc_array_item_at_index( p_sys->cookies, i ));
632 vlc_array_destroy( p_sys->cookies );
636 inflateEnd( &p_sys->inflate.stream );
637 free( p_sys->inflate.p_buffer );
643 /*****************************************************************************
644 * Read: Read up to i_len bytes from the http connection and place in
645 * p_buffer. Return the actual number of bytes read
646 *****************************************************************************/
647 static int ReadICYMeta( access_t *p_access );
648 static ssize_t Read( access_t *p_access, uint8_t *p_buffer, size_t i_len )
650 access_sys_t *p_sys = p_access->p_sys;
653 if( p_sys->fd == -1 )
655 p_access->info.b_eof = true;
659 if( p_access->info.i_size >= 0 &&
660 i_len + p_access->info.i_pos > p_access->info.i_size )
662 if( ( i_len = p_access->info.i_size - p_access->info.i_pos ) == 0 )
664 p_access->info.b_eof = true;
669 if( p_sys->b_chunked )
671 if( p_sys->i_chunk < 0 )
673 p_access->info.b_eof = true;
677 if( p_sys->i_chunk <= 0 )
679 char *psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, p_sys->p_vs );
680 /* read the chunk header */
683 /* fatal error - end of file */
684 msg_Dbg( p_access, "failed reading chunk-header line" );
687 p_sys->i_chunk = strtoll( psz, NULL, 16 );
690 if( p_sys->i_chunk <= 0 ) /* eof */
693 p_access->info.b_eof = true;
698 if( i_len > p_sys->i_chunk )
700 i_len = p_sys->i_chunk;
703 else if( p_access->info.i_size != -1 && (int64_t)i_len > p_sys->i_remaining) {
704 /* Only ask for the remaining length */
705 i_len = (size_t)p_sys->i_remaining;
707 p_access->info.b_eof = true;
713 if( p_sys->i_icy_meta > 0 && p_access->info.i_pos-p_sys->i_icy_offset > 0 )
715 int64_t i_next = p_sys->i_icy_meta -
716 (p_access->info.i_pos - p_sys->i_icy_offset ) % p_sys->i_icy_meta;
718 if( i_next == p_sys->i_icy_meta )
720 if( ReadICYMeta( p_access ) )
722 p_access->info.b_eof = true;
730 i_read = net_Read( p_access, p_sys->fd, p_sys->p_vs, p_buffer, i_len, false );
734 p_access->info.i_pos += i_read;
736 if( p_sys->b_chunked )
738 p_sys->i_chunk -= i_read;
739 if( p_sys->i_chunk <= 0 )
741 /* read the empty line */
742 char *psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, p_sys->p_vs );
747 else if( i_read == 0 )
750 * I very much doubt that this will work.
751 * If i_read == 0, the connection *IS* dead, so the only
752 * sensible thing to do is Disconnect() and then retry.
753 * Otherwise, I got recv() completely wrong. -- Courmisch
755 if( p_sys->b_continuous )
757 Request( p_access, 0 );
758 p_sys->b_continuous = false;
759 i_read = Read( p_access, p_buffer, i_len );
760 p_sys->b_continuous = true;
762 Disconnect( p_access );
763 if( p_sys->b_reconnect )
765 msg_Dbg( p_access, "got disconnected, trying to reconnect" );
766 if( Connect( p_access, p_access->info.i_pos ) )
768 msg_Dbg( p_access, "reconnection failed" );
772 p_sys->b_reconnect = false;
773 i_read = Read( p_access, p_buffer, i_len );
774 p_sys->b_reconnect = true;
778 if( i_read == 0 ) p_access->info.b_eof = true;
781 if( p_access->info.i_size != -1 )
783 p_sys->i_remaining -= i_read;
789 static int ReadICYMeta( access_t *p_access )
791 access_sys_t *p_sys = p_access->p_sys;
797 /* Read meta data length */
798 i_read = net_Read( p_access, p_sys->fd, p_sys->p_vs, &buffer, 1,
805 i_read = buffer << 4;
806 /* msg_Dbg( p_access, "ICY meta size=%u", i_read); */
808 psz_meta = malloc( i_read + 1 );
809 if( net_Read( p_access, p_sys->fd, p_sys->p_vs,
810 (uint8_t *)psz_meta, i_read, true ) != i_read )
813 psz_meta[i_read] = '\0'; /* Just in case */
815 /* msg_Dbg( p_access, "icy-meta=%s", psz_meta ); */
817 /* Now parse the meta */
818 /* Look for StreamTitle= */
819 p = strcasestr( (char *)psz_meta, "StreamTitle=" );
822 p += strlen( "StreamTitle=" );
823 if( *p == '\'' || *p == '"' )
825 char closing[] = { p[0], ';', '\0' };
826 char *psz = strstr( &p[1], closing );
828 psz = strchr( &p[1], ';' );
830 if( psz ) *psz = '\0';
834 char *psz = strchr( &p[1], ';' );
835 if( psz ) *psz = '\0';
838 if( !p_sys->psz_icy_title ||
839 strcmp( p_sys->psz_icy_title, &p[1] ) )
841 free( p_sys->psz_icy_title );
842 p_sys->psz_icy_title = EnsureUTF8( strdup( &p[1] ));
843 p_access->info.i_update |= INPUT_UPDATE_META;
845 msg_Dbg( p_access, "New Title=%s", p_sys->psz_icy_title );
854 static ssize_t ReadCompressed( access_t *p_access, uint8_t *p_buffer,
857 access_sys_t *p_sys = p_access->p_sys;
859 if( p_sys->b_compressed )
863 if( !p_sys->inflate.p_buffer )
864 p_sys->inflate.p_buffer = malloc( 256 * 1024 );
866 if( p_sys->inflate.stream.avail_in == 0 )
868 ssize_t i_read = Read( p_access, p_sys->inflate.p_buffer + p_sys->inflate.stream.avail_in, 256 * 1024 );
869 if( i_read <= 0 ) return i_read;
870 p_sys->inflate.stream.next_in = p_sys->inflate.p_buffer;
871 p_sys->inflate.stream.avail_in = i_read;
874 p_sys->inflate.stream.avail_out = i_len;
875 p_sys->inflate.stream.next_out = p_buffer;
877 i_ret = inflate( &p_sys->inflate.stream, Z_SYNC_FLUSH );
878 msg_Warn( p_access, "inflate return value: %d, %s", i_ret, p_sys->inflate.stream.msg );
880 return i_len - p_sys->inflate.stream.avail_out;
884 return Read( p_access, p_buffer, i_len );
889 /*****************************************************************************
890 * Seek: close and re-open a connection at the right place
891 *****************************************************************************/
892 static int Seek( access_t *p_access, int64_t i_pos )
894 msg_Dbg( p_access, "trying to seek to %"PRId64, i_pos );
896 Disconnect( p_access );
898 if( p_access->info.i_size
899 && (uint64_t)i_pos >= (uint64_t)p_access->info.i_size ) {
900 msg_Err( p_access, "seek to far" );
901 int retval = Seek( p_access, p_access->info.i_size - 1 );
902 if( retval == VLC_SUCCESS ) {
904 Read( p_access, p_buffer, 1);
905 p_access->info.b_eof = false;
909 if( Connect( p_access, i_pos ) )
911 msg_Err( p_access, "seek failed" );
912 p_access->info.b_eof = true;
918 /*****************************************************************************
920 *****************************************************************************/
921 static int Control( access_t *p_access, int i_query, va_list args )
923 access_sys_t *p_sys = p_access->p_sys;
931 case ACCESS_CAN_SEEK:
932 pb_bool = (bool*)va_arg( args, bool* );
933 *pb_bool = p_sys->b_seekable;
935 case ACCESS_CAN_FASTSEEK:
936 pb_bool = (bool*)va_arg( args, bool* );
939 case ACCESS_CAN_PAUSE:
940 case ACCESS_CAN_CONTROL_PACE:
941 pb_bool = (bool*)va_arg( args, bool* );
943 #if 0 /* Disable for now until we have a clock synchro algo
944 * which works with something else than MPEG over UDP */
945 *pb_bool = p_sys->b_pace_control;
951 case ACCESS_GET_PTS_DELAY:
952 pi_64 = (int64_t*)va_arg( args, int64_t * );
953 *pi_64 = (int64_t)var_GetInteger( p_access, "http-caching" ) * 1000;
957 case ACCESS_SET_PAUSE_STATE:
960 case ACCESS_GET_META:
961 p_meta = (vlc_meta_t*)va_arg( args, vlc_meta_t* );
963 if( p_sys->psz_icy_name )
964 vlc_meta_Set( p_meta, vlc_meta_Title, p_sys->psz_icy_name );
965 if( p_sys->psz_icy_genre )
966 vlc_meta_Set( p_meta, vlc_meta_Genre, p_sys->psz_icy_genre );
967 if( p_sys->psz_icy_title )
968 vlc_meta_Set( p_meta, vlc_meta_NowPlaying, p_sys->psz_icy_title );
971 case ACCESS_GET_CONTENT_TYPE:
972 *va_arg( args, char ** ) =
973 p_sys->psz_mime ? strdup( p_sys->psz_mime ) : NULL;
976 case ACCESS_GET_TITLE_INFO:
977 case ACCESS_SET_TITLE:
978 case ACCESS_SET_SEEKPOINT:
979 case ACCESS_SET_PRIVATE_ID_STATE:
983 msg_Warn( p_access, "unimplemented query in control" );
990 /*****************************************************************************
992 *****************************************************************************/
993 static int Connect( access_t *p_access, int64_t i_tell )
995 access_sys_t *p_sys = p_access->p_sys;
996 vlc_url_t srv = p_sys->b_proxy ? p_sys->proxy : p_sys->url;
999 free( p_sys->psz_location );
1000 free( p_sys->psz_mime );
1001 free( p_sys->psz_pragma );
1003 free( p_sys->psz_icy_genre );
1004 free( p_sys->psz_icy_name );
1005 free( p_sys->psz_icy_title );
1008 p_sys->psz_location = NULL;
1009 p_sys->psz_mime = NULL;
1010 p_sys->psz_pragma = NULL;
1011 p_sys->b_mms = false;
1012 p_sys->b_chunked = false;
1014 p_sys->i_icy_meta = 0;
1015 p_sys->i_icy_offset = i_tell;
1016 p_sys->psz_icy_name = NULL;
1017 p_sys->psz_icy_genre = NULL;
1018 p_sys->psz_icy_title = NULL;
1019 p_sys->i_remaining = 0;
1020 p_sys->b_persist = false;
1022 p_access->info.i_size = -1;
1023 p_access->info.i_pos = i_tell;
1024 p_access->info.b_eof = false;
1026 /* Open connection */
1027 assert( p_sys->fd == -1 ); /* No open sockets (leaking fds is BAD) */
1028 p_sys->fd = net_ConnectTCP( p_access, srv.psz_host, srv.i_port );
1029 if( p_sys->fd == -1 )
1031 msg_Err( p_access, "cannot connect to %s:%d", srv.psz_host, srv.i_port );
1034 setsockopt (p_sys->fd, SOL_SOCKET, SO_KEEPALIVE, &(int){ 1 }, sizeof (int));
1036 /* Initialize TLS/SSL session */
1037 if( p_sys->b_ssl == true )
1039 /* CONNECT to establish TLS tunnel through HTTP proxy */
1040 if( p_sys->b_proxy )
1043 unsigned i_status = 0;
1045 if( p_sys->i_version == 0 )
1047 /* CONNECT is not in HTTP/1.0 */
1048 Disconnect( p_access );
1052 net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL,
1053 "CONNECT %s:%d HTTP/1.%d\r\nHost: %s:%d\r\n\r\n",
1054 p_sys->url.psz_host, p_sys->url.i_port,
1056 p_sys->url.psz_host, p_sys->url.i_port);
1058 psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, NULL );
1061 msg_Err( p_access, "cannot establish HTTP/TLS tunnel" );
1062 Disconnect( p_access );
1066 sscanf( psz, "HTTP/%*u.%*u %3u", &i_status );
1069 if( ( i_status / 100 ) != 2 )
1071 msg_Err( p_access, "HTTP/TLS tunnel through proxy denied" );
1072 Disconnect( p_access );
1078 psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, NULL );
1081 msg_Err( p_access, "HTTP proxy connection failed" );
1082 Disconnect( p_access );
1091 if( !vlc_object_alive (p_access) || p_access->b_error )
1093 Disconnect( p_access );
1100 /* TLS/SSL handshake */
1101 p_sys->p_tls = tls_ClientCreate( VLC_OBJECT(p_access), p_sys->fd,
1103 if( p_sys->p_tls == NULL )
1105 msg_Err( p_access, "cannot establish HTTP/TLS session" );
1106 Disconnect( p_access );
1109 p_sys->p_vs = &p_sys->p_tls->sock;
1112 return Request( p_access, i_tell ) ? -2 : 0;
1116 static int Request( access_t *p_access, int64_t i_tell )
1118 access_sys_t *p_sys = p_access->p_sys;
1120 v_socket_t *pvs = p_sys->p_vs;
1121 p_sys->b_persist = false;
1123 p_sys->i_remaining = 0;
1124 if( p_sys->b_proxy )
1126 if( p_sys->url.psz_path )
1128 net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL,
1129 "GET http://%s:%d%s HTTP/1.%d\r\n",
1130 p_sys->url.psz_host, p_sys->url.i_port,
1131 p_sys->url.psz_path, p_sys->i_version );
1135 net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL,
1136 "GET http://%s:%d/ HTTP/1.%d\r\n",
1137 p_sys->url.psz_host, p_sys->url.i_port,
1143 const char *psz_path = p_sys->url.psz_path;
1144 if( !psz_path || !*psz_path )
1148 if( p_sys->url.i_port != (pvs ? 443 : 80) )
1150 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs,
1151 "GET %s HTTP/1.%d\r\nHost: %s:%d\r\n",
1152 psz_path, p_sys->i_version, p_sys->url.psz_host,
1153 p_sys->url.i_port );
1157 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs,
1158 "GET %s HTTP/1.%d\r\nHost: %s\r\n",
1159 psz_path, p_sys->i_version, p_sys->url.psz_host );
1163 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs, "User-Agent: %s\r\n",
1164 p_sys->psz_user_agent );
1166 if( p_sys->i_version == 1 && ! p_sys->b_continuous )
1168 p_sys->b_persist = true;
1169 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs,
1170 "Range: bytes=%"PRIu64"-\r\n", i_tell );
1174 if( p_sys->cookies )
1177 for( i = 0; i < vlc_array_count( p_sys->cookies ); i++ )
1179 const char * cookie = vlc_array_item_at_index( p_sys->cookies, i );
1180 char * psz_cookie_content = cookie_get_content( cookie );
1181 char * psz_cookie_domain = cookie_get_domain( cookie );
1183 assert( psz_cookie_content );
1185 /* FIXME: This is clearly not conforming to the rfc */
1186 bool is_in_right_domain = (!psz_cookie_domain || strstr( p_sys->url.psz_host, psz_cookie_domain ));
1188 if( is_in_right_domain )
1190 msg_Dbg( p_access, "Sending Cookie %s", psz_cookie_content );
1191 if( net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs, "Cookie: %s\r\n", psz_cookie_content ) < 0 )
1192 msg_Err( p_access, "failed to send Cookie" );
1194 free( psz_cookie_content );
1195 free( psz_cookie_domain );
1199 /* Authentication */
1200 if( p_sys->url.psz_username || p_sys->url.psz_password )
1201 AuthReply( p_access, "", &p_sys->url, &p_sys->auth );
1203 /* Proxy Authentication */
1204 if( p_sys->proxy.psz_username || p_sys->proxy.psz_password )
1205 AuthReply( p_access, "Proxy-", &p_sys->proxy, &p_sys->proxy_auth );
1207 /* ICY meta data request */
1208 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs, "Icy-MetaData: 1\r\n" );
1211 if( net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs, "\r\n" ) < 0 )
1213 msg_Err( p_access, "failed to send request" );
1214 Disconnect( p_access );
1215 return VLC_EGENERIC;
1219 if( ( psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, pvs ) ) == NULL )
1221 msg_Err( p_access, "failed to read answer" );
1224 if( !strncmp( psz, "HTTP/1.", 7 ) )
1226 p_sys->psz_protocol = "HTTP";
1227 p_sys->i_code = atoi( &psz[9] );
1229 else if( !strncmp( psz, "ICY", 3 ) )
1231 p_sys->psz_protocol = "ICY";
1232 p_sys->i_code = atoi( &psz[4] );
1233 p_sys->b_reconnect = true;
1237 msg_Err( p_access, "invalid HTTP reply '%s'", psz );
1241 msg_Dbg( p_access, "protocol '%s' answer code %d",
1242 p_sys->psz_protocol, p_sys->i_code );
1243 if( !strcmp( p_sys->psz_protocol, "ICY" ) )
1245 p_sys->b_seekable = false;
1247 if( p_sys->i_code != 206 && p_sys->i_code != 401 )
1249 p_sys->b_seekable = false;
1251 /* Authentication error - We'll have to display the dialog */
1252 if( p_sys->i_code == 401 )
1256 /* Other fatal error */
1257 else if( p_sys->i_code >= 400 )
1259 msg_Err( p_access, "error: %s", psz );
1267 char *psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, pvs );
1272 msg_Err( p_access, "failed to read answer" );
1276 if( !vlc_object_alive (p_access) || p_access->b_error )
1282 /* msg_Dbg( p_input, "Line=%s", psz ); */
1289 if( ( p = strchr( psz, ':' ) ) == NULL )
1291 msg_Err( p_access, "malformed header line: %s", psz );
1296 while( *p == ' ' ) p++;
1298 if( !strcasecmp( psz, "Content-Length" ) )
1300 int64_t i_size = i_tell + (p_sys->i_remaining = atoll( p ));
1301 if(i_size > p_access->info.i_size) {
1302 p_access->info.i_size = i_size;
1304 msg_Dbg( p_access, "this frame size=%"PRId64, p_sys->i_remaining );
1306 else if( !strcasecmp( psz, "Content-Range" ) ) {
1307 int64_t i_ntell = i_tell;
1308 int64_t i_nend = (p_access->info.i_size > 0)?(p_access->info.i_size - 1):i_tell;
1309 int64_t i_nsize = p_access->info.i_size;
1310 sscanf(p,"bytes %"PRId64"-%"PRId64"/%"PRId64,&i_ntell,&i_nend,&i_nsize);
1311 if(i_nend > i_ntell ) {
1312 p_access->info.i_pos = i_ntell;
1313 p_sys->i_remaining = i_nend+1-i_ntell;
1314 int64_t i_size = (i_nsize > i_nend) ? i_nsize : (i_nend + 1);
1315 if(i_size > p_access->info.i_size) {
1316 p_access->info.i_size = i_size;
1318 msg_Dbg( p_access, "stream size=%"PRId64",pos=%"PRId64",remaining=%"PRId64,i_nsize,i_ntell,p_sys->i_remaining);
1321 else if( !strcasecmp( psz, "Connection" ) ) {
1322 msg_Dbg( p_access, "Connection: %s",p );
1324 sscanf(p, "close%n",&i);
1326 p_sys->b_persist = false;
1329 else if( !strcasecmp( psz, "Location" ) )
1333 /* This does not follow RFC 2068, but yet if the url is not absolute,
1334 * handle it as everyone does. */
1337 const char *psz_http_ext = p_sys->b_ssl ? "s" : "" ;
1339 if( p_sys->url.i_port == ( p_sys->b_ssl ? 443 : 80 ) )
1341 if( asprintf(&psz_new_loc, "http%s://%s%s", psz_http_ext,
1342 p_sys->url.psz_host, p) < 0 )
1347 if( asprintf(&psz_new_loc, "http%s://%s:%d%s", psz_http_ext,
1348 p_sys->url.psz_host, p_sys->url.i_port, p) < 0 )
1354 psz_new_loc = strdup( p );
1357 free( p_sys->psz_location );
1358 p_sys->psz_location = psz_new_loc;
1360 else if( !strcasecmp( psz, "Content-Type" ) )
1362 free( p_sys->psz_mime );
1363 p_sys->psz_mime = strdup( p );
1364 msg_Dbg( p_access, "Content-Type: %s", p_sys->psz_mime );
1366 else if( !strcasecmp( psz, "Content-Encoding" ) )
1368 msg_Dbg( p_access, "Content-Encoding: %s", p );
1369 if( strcasecmp( p, "identity" ) )
1371 p_sys->b_compressed = true;
1373 msg_Warn( p_access, "Compressed content not supported. Rebuild with zlib support." );
1376 else if( !strcasecmp( psz, "Pragma" ) )
1378 if( !strcasecmp( psz, "Pragma: features" ) )
1379 p_sys->b_mms = true;
1380 free( p_sys->psz_pragma );
1381 p_sys->psz_pragma = strdup( p );
1382 msg_Dbg( p_access, "Pragma: %s", p_sys->psz_pragma );
1384 else if( !strcasecmp( psz, "Server" ) )
1386 msg_Dbg( p_access, "Server: %s", p );
1387 if( !strncasecmp( p, "Icecast", 7 ) ||
1388 !strncasecmp( p, "Nanocaster", 10 ) )
1390 /* Remember if this is Icecast
1391 * we need to force demux in this case without breaking
1394 /* Let live 365 streams (nanocaster) piggyback on the icecast
1395 * routine. They look very similar */
1397 p_sys->b_reconnect = true;
1398 p_sys->b_pace_control = false;
1399 p_sys->b_icecast = true;
1402 else if( !strcasecmp( psz, "Transfer-Encoding" ) )
1404 msg_Dbg( p_access, "Transfer-Encoding: %s", p );
1405 if( !strncasecmp( p, "chunked", 7 ) )
1407 p_sys->b_chunked = true;
1410 else if( !strcasecmp( psz, "Icy-MetaInt" ) )
1412 msg_Dbg( p_access, "Icy-MetaInt: %s", p );
1413 p_sys->i_icy_meta = atoi( p );
1414 if( p_sys->i_icy_meta < 0 )
1415 p_sys->i_icy_meta = 0;
1416 if( p_sys->i_icy_meta > 0 )
1417 p_sys->b_icecast = true;
1419 msg_Warn( p_access, "ICY metaint=%d", p_sys->i_icy_meta );
1421 else if( !strcasecmp( psz, "Icy-Name" ) )
1423 free( p_sys->psz_icy_name );
1424 p_sys->psz_icy_name = EnsureUTF8( strdup( p ));
1425 msg_Dbg( p_access, "Icy-Name: %s", p_sys->psz_icy_name );
1427 p_sys->b_icecast = true; /* be on the safeside. set it here as well. */
1428 p_sys->b_reconnect = true;
1429 p_sys->b_pace_control = false;
1431 else if( !strcasecmp( psz, "Icy-Genre" ) )
1433 free( p_sys->psz_icy_genre );
1434 p_sys->psz_icy_genre = EnsureUTF8( strdup( p ));
1435 msg_Dbg( p_access, "Icy-Genre: %s", p_sys->psz_icy_genre );
1437 else if( !strncasecmp( psz, "Icy-Notice", 10 ) )
1439 msg_Dbg( p_access, "Icy-Notice: %s", p );
1441 else if( !strncasecmp( psz, "icy-", 4 ) ||
1442 !strncasecmp( psz, "ice-", 4 ) ||
1443 !strncasecmp( psz, "x-audiocast", 11 ) )
1445 msg_Dbg( p_access, "Meta-Info: %s: %s", psz, p );
1447 else if( !strcasecmp( psz, "Set-Cookie" ) )
1449 if( p_sys->cookies )
1451 msg_Dbg( p_access, "Accepting Cookie: %s", p );
1452 cookie_append( p_sys->cookies, strdup(p) );
1455 msg_Dbg( p_access, "We have a Cookie we won't remember: %s", p );
1457 else if( !strcasecmp( psz, "www-authenticate" ) )
1459 msg_Dbg( p_access, "Authentication header: %s", p );
1460 AuthParseHeader( p_access, p, &p_sys->auth );
1462 else if( !strcasecmp( psz, "proxy-authenticate" ) )
1464 msg_Dbg( p_access, "Proxy authentication header: %s", p );
1465 AuthParseHeader( p_access, p, &p_sys->proxy_auth );
1467 else if( !strcasecmp( psz, "authentication-info" ) )
1469 msg_Dbg( p_access, "Authentication Info header: %s", p );
1470 if( AuthCheckReply( p_access, p, &p_sys->url, &p_sys->auth ) )
1473 else if( !strcasecmp( psz, "proxy-authentication-info" ) )
1475 msg_Dbg( p_access, "Proxy Authentication Info header: %s", p );
1476 if( AuthCheckReply( p_access, p, &p_sys->proxy, &p_sys->proxy_auth ) )
1482 /* We close the stream for zero length data, unless of course the
1483 * server has already promised to do this for us.
1485 if( p_access->info.i_size != -1 && p_sys->i_remaining == 0 && p_sys->b_persist ) {
1486 Disconnect( p_access );
1491 Disconnect( p_access );
1492 return VLC_EGENERIC;
1495 /*****************************************************************************
1497 *****************************************************************************/
1498 static void Disconnect( access_t *p_access )
1500 access_sys_t *p_sys = p_access->p_sys;
1502 if( p_sys->p_tls != NULL)
1504 tls_ClientDelete( p_sys->p_tls );
1505 p_sys->p_tls = NULL;
1508 if( p_sys->fd != -1)
1510 net_Close(p_sys->fd);
1516 /*****************************************************************************
1517 * Cookies (FIXME: we may want to rewrite that using a nice structure to hold
1518 * them) (FIXME: only support the "domain=" param)
1519 *****************************************************************************/
1521 /* Get the NAME=VALUE part of the Cookie */
1522 static char * cookie_get_content( const char * cookie )
1524 char * ret = strdup( cookie );
1525 if( !ret ) return NULL;
1527 /* Look for a ';' */
1528 while( *str && *str != ';' ) str++;
1529 /* Replace it by a end-char */
1530 if( *str == ';' ) *str = 0;
1534 /* Get the domain where the cookie is stored */
1535 static char * cookie_get_domain( const char * cookie )
1537 const char * str = cookie;
1538 static const char domain[] = "domain=";
1541 /* Look for a ';' */
1544 if( !strncmp( str, domain, sizeof(domain) - 1 /* minus \0 */ ) )
1546 str += sizeof(domain) - 1 /* minus \0 */;
1547 char * ret = strdup( str );
1548 /* Now remove the next ';' if present */
1549 char * ret_iter = ret;
1550 while( *ret_iter && *ret_iter != ';' ) ret_iter++;
1551 if( *ret_iter == ';' )
1555 /* Go to next ';' field */
1556 while( *str && *str != ';' ) str++;
1557 if( *str == ';' ) str++;
1559 while( *str && *str == ' ' ) str++;
1564 /* Get NAME in the NAME=VALUE field */
1565 static char * cookie_get_name( const char * cookie )
1567 char * ret = cookie_get_content( cookie ); /* NAME=VALUE */
1568 if( !ret ) return NULL;
1570 while( *str && *str != '=' ) str++;
1575 /* Add a cookie in cookies, checking to see how it should be added */
1576 static void cookie_append( vlc_array_t * cookies, char * cookie )
1583 char * cookie_name = cookie_get_name( cookie );
1585 /* Don't send invalid cookies */
1589 char * cookie_domain = cookie_get_domain( cookie );
1590 for( i = 0; i < vlc_array_count( cookies ); i++ )
1592 char * current_cookie = vlc_array_item_at_index( cookies, i );
1593 char * current_cookie_name = cookie_get_name( current_cookie );
1594 char * current_cookie_domain = cookie_get_domain( current_cookie );
1596 assert( current_cookie_name );
1598 bool is_domain_matching = ( cookie_domain && current_cookie_domain &&
1599 !strcmp( cookie_domain, current_cookie_domain ) );
1601 if( is_domain_matching && !strcmp( cookie_name, current_cookie_name ) )
1603 /* Remove previous value for this cookie */
1604 free( current_cookie );
1605 vlc_array_remove( cookies, i );
1608 free( current_cookie_name );
1609 free( current_cookie_domain );
1612 free( current_cookie_name );
1613 free( current_cookie_domain );
1615 free( cookie_name );
1616 free( cookie_domain );
1617 vlc_array_append( cookies, cookie );
1620 /*****************************************************************************
1621 * "RFC 2617: Basic and Digest Access Authentication" header parsing
1622 *****************************************************************************/
1623 static char *AuthGetParam( const char *psz_header, const char *psz_param )
1625 char psz_what[strlen(psz_param)+3];
1626 sprintf( psz_what, "%s=\"", psz_param );
1627 psz_header = strstr( psz_header, psz_what );
1630 const char *psz_end;
1631 psz_header += strlen( psz_what );
1632 psz_end = strchr( psz_header, '"' );
1633 if( !psz_end ) /* Invalid since we should have a closing quote */
1634 return strdup( psz_header );
1635 return strndup( psz_header, psz_end - psz_header );
1643 static char *AuthGetParamNoQuotes( const char *psz_header, const char *psz_param )
1645 char psz_what[strlen(psz_param)+2];
1646 sprintf( psz_what, "%s=", psz_param );
1647 psz_header = strstr( psz_header, psz_what );
1650 const char *psz_end;
1651 psz_header += strlen( psz_what );
1652 psz_end = strchr( psz_header, ',' );
1653 /* XXX: Do we need to filter out trailing space between the value and
1654 * the comma/end of line? */
1655 if( !psz_end ) /* Can be valid if this is the last parameter */
1656 return strdup( psz_header );
1657 return strndup( psz_header, psz_end - psz_header );
1665 static void AuthParseHeader( access_t *p_access, const char *psz_header,
1666 http_auth_t *p_auth )
1668 /* FIXME: multiple auth methods can be listed (comma seperated) */
1670 /* 2 Basic Authentication Scheme */
1671 if( !strncasecmp( psz_header, "Basic ", strlen( "Basic " ) ) )
1673 msg_Dbg( p_access, "Using Basic Authentication" );
1674 psz_header += strlen( "Basic " );
1675 p_auth->psz_realm = AuthGetParam( psz_header, "realm" );
1676 if( !p_auth->psz_realm )
1677 msg_Warn( p_access, "Basic Authentication: "
1678 "Mandatory 'realm' parameter is missing" );
1680 /* 3 Digest Access Authentication Scheme */
1681 else if( !strncasecmp( psz_header, "Digest ", strlen( "Digest " ) ) )
1683 msg_Dbg( p_access, "Using Digest Access Authentication" );
1684 if( p_auth->psz_nonce ) return; /* FIXME */
1685 psz_header += strlen( "Digest " );
1686 p_auth->psz_realm = AuthGetParam( psz_header, "realm" );
1687 p_auth->psz_domain = AuthGetParam( psz_header, "domain" );
1688 p_auth->psz_nonce = AuthGetParam( psz_header, "nonce" );
1689 p_auth->psz_opaque = AuthGetParam( psz_header, "opaque" );
1690 p_auth->psz_stale = AuthGetParamNoQuotes( psz_header, "stale" );
1691 p_auth->psz_algorithm = AuthGetParamNoQuotes( psz_header, "algorithm" );
1692 p_auth->psz_qop = AuthGetParam( psz_header, "qop" );
1693 p_auth->i_nonce = 0;
1694 /* printf("realm: |%s|\ndomain: |%s|\nnonce: |%s|\nopaque: |%s|\n"
1695 "stale: |%s|\nalgorithm: |%s|\nqop: |%s|\n",
1696 p_auth->psz_realm,p_auth->psz_domain,p_auth->psz_nonce,
1697 p_auth->psz_opaque,p_auth->psz_stale,p_auth->psz_algorithm,
1698 p_auth->psz_qop); */
1699 if( !p_auth->psz_realm )
1700 msg_Warn( p_access, "Digest Access Authentication: "
1701 "Mandatory 'realm' parameter is missing" );
1702 if( !p_auth->psz_nonce )
1703 msg_Warn( p_access, "Digest Access Authentication: "
1704 "Mandatory 'nonce' parameter is missing" );
1705 if( p_auth->psz_qop ) /* FIXME: parse the qop list */
1707 char *psz_tmp = strchr( p_auth->psz_qop, ',' );
1708 if( psz_tmp ) *psz_tmp = '\0';
1713 const char *psz_end = strchr( psz_header, ' ' );
1715 msg_Warn( p_access, "Unknown authentication scheme: '%*s'",
1716 (int)(psz_end - psz_header), psz_header );
1718 msg_Warn( p_access, "Unknown authentication scheme: '%s'",
1723 static char *AuthDigest( access_t *p_access, vlc_url_t *p_url,
1724 http_auth_t *p_auth, const char *psz_method )
1727 const char *psz_username = p_url->psz_username ?: "";
1728 const char *psz_password = p_url->psz_password ?: "";
1730 char *psz_HA1 = NULL;
1731 char *psz_HA2 = NULL;
1732 char *psz_response = NULL;
1736 if( p_auth->psz_HA1 )
1738 psz_HA1 = strdup( p_auth->psz_HA1 );
1739 if( !psz_HA1 ) goto error;
1744 AddMD5( &md5, psz_username, strlen( psz_username ) );
1745 AddMD5( &md5, ":", 1 );
1746 AddMD5( &md5, p_auth->psz_realm, strlen( p_auth->psz_realm ) );
1747 AddMD5( &md5, ":", 1 );
1748 AddMD5( &md5, psz_password, strlen( psz_password ) );
1751 psz_HA1 = psz_md5_hash( &md5 );
1752 if( !psz_HA1 ) goto error;
1754 if( p_auth->psz_algorithm
1755 && !strcmp( p_auth->psz_algorithm, "MD5-sess" ) )
1758 AddMD5( &md5, psz_HA1, 32 );
1760 AddMD5( &md5, ":", 1 );
1761 AddMD5( &md5, p_auth->psz_nonce, strlen( p_auth->psz_nonce ) );
1762 AddMD5( &md5, ":", 1 );
1763 AddMD5( &md5, p_auth->psz_cnonce, strlen( p_auth->psz_cnonce ) );
1766 psz_HA1 = psz_md5_hash( &md5 );
1767 if( !psz_HA1 ) goto error;
1768 p_auth->psz_HA1 = strdup( psz_HA1 );
1769 if( !p_auth->psz_HA1 ) goto error;
1776 AddMD5( &md5, psz_method, strlen( psz_method ) );
1777 AddMD5( &md5, ":", 1 );
1778 if( p_url->psz_path )
1779 AddMD5( &md5, p_url->psz_path, strlen( p_url->psz_path ) );
1781 AddMD5( &md5, "/", 1 );
1782 if( p_auth->psz_qop && !strcmp( p_auth->psz_qop, "auth-int" ) )
1787 AddMD5( &ent, "", 0 ); /* XXX: entity-body. should be ok for GET */
1789 psz_ent = psz_md5_hash( &ent );
1790 if( !psz_ent ) goto error;
1791 AddMD5( &md5, ":", 1 );
1792 AddMD5( &md5, psz_ent, 32 );
1796 psz_HA2 = psz_md5_hash( &md5 );
1797 if( !psz_HA2 ) goto error;
1799 /* Request digest */
1801 AddMD5( &md5, psz_HA1, 32 );
1802 AddMD5( &md5, ":", 1 );
1803 AddMD5( &md5, p_auth->psz_nonce, strlen( p_auth->psz_nonce ) );
1804 AddMD5( &md5, ":", 1 );
1806 && ( !strcmp( p_auth->psz_qop, "auth" )
1807 || !strcmp( p_auth->psz_qop, "auth-int" ) ) )
1810 snprintf( psz_inonce, 9, "%08x", p_auth->i_nonce );
1811 AddMD5( &md5, psz_inonce, 8 );
1812 AddMD5( &md5, ":", 1 );
1813 AddMD5( &md5, p_auth->psz_cnonce, strlen( p_auth->psz_cnonce ) );
1814 AddMD5( &md5, ":", 1 );
1815 AddMD5( &md5, p_auth->psz_qop, strlen( p_auth->psz_qop ) );
1816 AddMD5( &md5, ":", 1 );
1818 AddMD5( &md5, psz_HA2, 32 );
1820 psz_response = psz_md5_hash( &md5 );
1825 return psz_response;
1829 static void AuthReply( access_t *p_access, const char *psz_prefix,
1830 vlc_url_t *p_url, http_auth_t *p_auth )
1832 access_sys_t *p_sys = p_access->p_sys;
1833 v_socket_t *pvs = p_sys->p_vs;
1835 const char *psz_username = p_url->psz_username ?: "";
1836 const char *psz_password = p_url->psz_password ?: "";
1838 if( p_auth->psz_nonce )
1840 /* Digest Access Authentication */
1843 if( p_auth->psz_algorithm
1844 && strcmp( p_auth->psz_algorithm, "MD5" )
1845 && strcmp( p_auth->psz_algorithm, "MD5-sess" ) )
1847 msg_Err( p_access, "Digest Access Authentication: "
1848 "Unknown algorithm '%s'", p_auth->psz_algorithm );
1852 if( p_auth->psz_qop || !p_auth->psz_cnonce )
1854 /* FIXME: needs to be really random to prevent man in the middle
1856 free( p_auth->psz_cnonce );
1857 p_auth->psz_cnonce = strdup( "Some random string FIXME" );
1861 psz_response = AuthDigest( p_access, p_url, p_auth, "GET" );
1862 if( !psz_response ) return;
1864 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs,
1865 "%sAuthorization: Digest "
1866 /* Mandatory parameters */
1872 /* Optional parameters */
1873 "%s%s%s" /* algorithm */
1874 "%s%s%s" /* cnonce */
1875 "%s%s%s" /* opaque */
1876 "%s%s%s" /* message qop */
1877 "%s%08x%s" /* nonce count */
1879 /* Mandatory parameters */
1884 p_url->psz_path ?: "/",
1886 /* Optional parameters */
1887 p_auth->psz_algorithm ? "algorithm=\"" : "",
1888 p_auth->psz_algorithm ?: "",
1889 p_auth->psz_algorithm ? "\", " : "",
1890 p_auth->psz_cnonce ? "cnonce=\"" : "",
1891 p_auth->psz_cnonce ?: "",
1892 p_auth->psz_cnonce ? "\", " : "",
1893 p_auth->psz_opaque ? "opaque=\"" : "",
1894 p_auth->psz_opaque ?: "",
1895 p_auth->psz_opaque ? "\", " : "",
1896 p_auth->psz_qop ? "qop=\"" : "",
1897 p_auth->psz_qop ?: "",
1898 p_auth->psz_qop ? "\", " : "",
1899 p_auth->i_nonce ? "nc=\"" : "uglyhack=\"", /* Will be parsed as an unhandled extension */
1901 p_auth->i_nonce ? "\"" : "\""
1904 free( psz_response );
1908 /* Basic Access Authentication */
1909 char buf[strlen( psz_username ) + strlen( psz_password ) + 2];
1912 snprintf( buf, sizeof( buf ), "%s:%s", psz_username, psz_password );
1913 b64 = vlc_b64_encode( buf );
1917 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs,
1918 "%sAuthorization: Basic %s\r\n", psz_prefix, b64 );
1924 static int AuthCheckReply( access_t *p_access, const char *psz_header,
1925 vlc_url_t *p_url, http_auth_t *p_auth )
1927 int i_ret = VLC_EGENERIC;
1928 char *psz_nextnonce = AuthGetParam( psz_header, "nextnonce" );
1929 char *psz_qop = AuthGetParamNoQuotes( psz_header, "qop" );
1930 char *psz_rspauth = AuthGetParam( psz_header, "rspauth" );
1931 char *psz_cnonce = AuthGetParam( psz_header, "cnonce" );
1932 char *psz_nc = AuthGetParamNoQuotes( psz_header, "nc" );
1938 if( strcmp( psz_cnonce, p_auth->psz_cnonce ) )
1940 msg_Err( p_access, "HTTP Digest Access Authentication: server replied with a different client nonce value." );
1947 i_nonce = strtol( psz_nc, NULL, 16 );
1948 if( i_nonce != p_auth->i_nonce )
1950 msg_Err( p_access, "HTTP Digest Access Authentication: server replied with a different nonce count value." );
1955 if( psz_qop && p_auth->psz_qop && strcmp( psz_qop, p_auth->psz_qop ) )
1956 msg_Warn( p_access, "HTTP Digest Access Authentication: server replied using a different 'quality of protection' option" );
1958 /* All the clear text values match, let's now check the response
1960 psz_digest = AuthDigest( p_access, p_url, p_auth, "" );
1961 if( strcmp( psz_digest, psz_rspauth ) )
1963 msg_Err( p_access, "HTTP Digest Access Authentication: server replied with an invalid response digest (expected value: %s).", psz_digest );
1972 free( p_auth->psz_nonce );
1973 p_auth->psz_nonce = psz_nextnonce;
1974 psz_nextnonce = NULL;
1977 i_ret = VLC_SUCCESS;
1979 free( psz_nextnonce );
1981 free( psz_rspauth );
1988 static void AuthReset( http_auth_t *p_auth )
1990 FREENULL( p_auth->psz_realm );
1991 FREENULL( p_auth->psz_domain );
1992 FREENULL( p_auth->psz_nonce );
1993 FREENULL( p_auth->psz_opaque );
1994 FREENULL( p_auth->psz_stale );
1995 FREENULL( p_auth->psz_algorithm );
1996 FREENULL( p_auth->psz_qop );
1997 p_auth->i_nonce = 0;
1998 FREENULL( p_auth->psz_cnonce );
1999 FREENULL( p_auth->psz_HA1 );