1 /*****************************************************************************
2 * http.c: HTTP input module
3 *****************************************************************************
4 * Copyright (C) 2001-2008 the VideoLAN team
7 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
8 * Christophe Massiot <massiot@via.ecp.fr>
9 * RĂ©mi Denis-Courmont <rem # videolan.org>
10 * Antoine Cellerier <dionoea at videolan dot org>
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
15 * (at your option) any later version.
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
25 *****************************************************************************/
27 /*****************************************************************************
29 *****************************************************************************/
34 #include <vlc_common.h>
35 #include <vlc_plugin.h>
38 #include <vlc_access.h>
40 #include <vlc_interface.h>
42 #include <vlc_network.h>
45 #include <vlc_strings.h>
46 #include <vlc_input.h>
58 /*****************************************************************************
60 *****************************************************************************/
61 static int Open ( vlc_object_t * );
62 static void Close( vlc_object_t * );
64 #define PROXY_TEXT N_("HTTP proxy")
65 #define PROXY_LONGTEXT N_( \
66 "HTTP proxy to be used It must be of the form " \
67 "http://[user@]myproxy.mydomain:myport/ ; " \
68 "if empty, the http_proxy environment variable will be tried." )
70 #define PROXY_PASS_TEXT N_("HTTP proxy password")
71 #define PROXY_PASS_LONGTEXT N_( \
72 "If your HTTP proxy requires a password, set it here." )
74 #define CACHING_TEXT N_("Caching value in ms")
75 #define CACHING_LONGTEXT N_( \
76 "Caching value for HTTP streams. This " \
77 "value should be set in milliseconds." )
79 #define AGENT_TEXT N_("HTTP user agent")
80 #define AGENT_LONGTEXT N_("User agent that will be " \
81 "used for the connection.")
83 #define RECONNECT_TEXT N_("Auto re-connect")
84 #define RECONNECT_LONGTEXT N_( \
85 "Automatically try to reconnect to the stream in case of a sudden " \
88 #define CONTINUOUS_TEXT N_("Continuous stream")
89 #define CONTINUOUS_LONGTEXT N_("Read a file that is " \
90 "being constantly updated (for example, a JPG file on a server). " \
91 "You should not globally enable this option as it will break all other " \
92 "types of HTTP streams." )
94 #define FORWARD_COOKIES_TEXT N_("Forward Cookies")
95 #define FORWARD_COOKIES_LONGTEXT N_("Forward Cookies Across http redirections ")
98 set_description( N_("HTTP input") );
99 set_capability( "access", 0 );
100 set_shortname( N_( "HTTP(S)" ) );
101 set_category( CAT_INPUT );
102 set_subcategory( SUBCAT_INPUT_ACCESS );
104 add_string( "http-proxy", NULL, NULL, PROXY_TEXT, PROXY_LONGTEXT,
106 add_password( "http-proxy-pwd", NULL, NULL,
107 PROXY_PASS_TEXT, PROXY_PASS_LONGTEXT, false );
108 add_integer( "http-caching", 4 * DEFAULT_PTS_DELAY / 1000, NULL,
109 CACHING_TEXT, CACHING_LONGTEXT, true );
110 add_string( "http-user-agent", COPYRIGHT_MESSAGE , NULL, AGENT_TEXT,
111 AGENT_LONGTEXT, true );
112 add_bool( "http-reconnect", 0, NULL, RECONNECT_TEXT,
113 RECONNECT_LONGTEXT, true );
114 add_bool( "http-continuous", 0, NULL, CONTINUOUS_TEXT,
115 CONTINUOUS_LONGTEXT, true );
116 add_bool( "http-forward-cookies", 0, NULL, FORWARD_COOKIES_TEXT,
117 FORWARD_COOKIES_LONGTEXT, true );
118 add_obsolete_string("http-user");
119 add_obsolete_string("http-pwd");
120 add_shortcut( "http" );
121 add_shortcut( "https" );
122 add_shortcut( "unsv" );
123 add_shortcut( "itpc" ); /* iTunes Podcast */
124 set_callbacks( Open, Close );
127 /*****************************************************************************
129 *****************************************************************************/
131 /* RFC 2617: Basic and Digest Access Authentication */
132 typedef struct http_auth_t
143 char *psz_HA1; /* stored H(A1) value if algorithm = "MD5-sess" */
149 tls_session_t *p_tls;
154 char *psz_user_agent;
160 http_auth_t proxy_auth;
161 char *psz_proxy_passbuf;
165 const char *psz_protocol;
199 vlc_array_t * cookies;
203 static int OpenWithCookies( vlc_object_t *p_this, vlc_array_t *cookies );
206 static ssize_t Read( access_t *, uint8_t *, size_t );
207 static ssize_t ReadCompressed( access_t *, uint8_t *, size_t );
208 static int Seek( access_t *, int64_t );
209 static int Control( access_t *, int, va_list );
212 static int Connect( access_t *, int64_t );
213 static int Request( access_t *p_access, int64_t i_tell );
214 static void Disconnect( access_t * );
216 /* Small Cookie utilities. Cookies support is partial. */
217 static char * cookie_get_content( const char * cookie );
218 static char * cookie_get_domain( const char * cookie );
219 static char * cookie_get_name( const char * cookie );
220 static void cookie_append( vlc_array_t * cookies, char * cookie );
223 static void AuthParseHeader( access_t *p_access, const char *psz_header,
224 http_auth_t *p_auth );
225 static void AuthReply( access_t *p_acces, const char *psz_prefix,
226 vlc_url_t *p_url, http_auth_t *p_auth );
227 static int AuthCheckReply( access_t *p_access, const char *psz_header,
228 vlc_url_t *p_url, http_auth_t *p_auth );
229 static void AuthReset( http_auth_t *p_auth );
231 /*****************************************************************************
233 *****************************************************************************/
234 static int Open( vlc_object_t *p_this )
236 return OpenWithCookies( p_this, NULL );
239 static int OpenWithCookies( vlc_object_t *p_this, vlc_array_t *cookies )
241 access_t *p_access = (access_t*)p_this;
244 /* Only forward an store cookies if the corresponding option is activated */
245 bool b_forward_cookies = var_CreateGetBool( p_access, "http-forward-cookies" );
246 vlc_array_t * saved_cookies = b_forward_cookies ? (cookies ?: vlc_array_new()) : NULL;
248 /* Set up p_access */
249 STANDARD_READ_ACCESS_INIT;
251 p_access->pf_read = ReadCompressed;
254 p_sys->b_proxy = false;
255 p_sys->psz_proxy_passbuf = NULL;
256 p_sys->i_version = 1;
257 p_sys->b_seekable = true;
258 p_sys->psz_mime = NULL;
259 p_sys->psz_pragma = NULL;
260 p_sys->b_mms = false;
261 p_sys->b_icecast = false;
262 p_sys->psz_location = NULL;
263 p_sys->psz_user_agent = NULL;
264 p_sys->b_pace_control = true;
265 p_sys->b_ssl = false;
267 p_sys->b_compressed = false;
268 /* 15 is the max windowBits, +32 to enable optional gzip decoding */
269 if( inflateInit2( &p_sys->inflate.stream, 32+15 ) != Z_OK )
270 msg_Warn( p_access, "Error during zlib initialisation: %s",
271 p_sys->inflate.stream.msg );
272 if( zlibCompileFlags() & (1<<17) )
273 msg_Warn( p_access, "Your zlib was compiled without gzip support." );
274 p_sys->inflate.p_buffer = NULL;
278 p_sys->i_icy_meta = 0;
279 p_sys->psz_icy_name = NULL;
280 p_sys->psz_icy_genre = NULL;
281 p_sys->psz_icy_title = NULL;
282 p_sys->i_remaining = 0;
283 p_sys->b_persist = false;
284 p_access->info.i_size = -1;
285 p_access->info.i_pos = 0;
286 p_access->info.b_eof = false;
288 p_sys->cookies = saved_cookies;
290 /* Parse URI - remove spaces */
291 p = psz = strdup( p_access->psz_path );
292 while( (p = strchr( p, ' ' )) != NULL )
294 vlc_UrlParse( &p_sys->url, psz, 0 );
297 if( p_sys->url.psz_host == NULL || *p_sys->url.psz_host == '\0' )
299 msg_Warn( p_access, "invalid host" );
302 if( !strncmp( p_access->psz_access, "https", 5 ) )
306 if( p_sys->url.i_port <= 0 )
307 p_sys->url.i_port = 443;
311 if( p_sys->url.i_port <= 0 )
312 p_sys->url.i_port = 80;
316 p_sys->psz_user_agent = var_CreateGetString( p_access, "http-user-agent" );
319 psz = var_CreateGetNonEmptyString( p_access, "http-proxy" );
322 p_sys->b_proxy = true;
323 vlc_UrlParse( &p_sys->proxy, psz, 0 );
329 pxProxyFactory *pf = px_proxy_factory_new();
334 i=asprintf(&buf, "%s://%s", p_access->psz_access, p_access->psz_path);
337 msg_Dbg(p_access, "asking libproxy about url '%s'", buf);
338 char **proxies = px_proxy_factory_get_proxies(pf, buf);
341 msg_Dbg(p_access, "libproxy suggest to use '%s'", proxies[0]);
342 if(strcmp(proxies[0],"direct://") != 0)
344 p_sys->b_proxy = true;
345 vlc_UrlParse( &p_sys->proxy, proxies[0], 0);
348 for(i=0;proxies[i];i++) free(proxies[i]);
352 px_proxy_factory_free(pf);
356 msg_Err(p_access, "Allocating memory for libproxy failed");
362 psz = getenv( "http_proxy" );
365 p_sys->b_proxy = true;
366 vlc_UrlParse( &p_sys->proxy, psz, 0 );
370 if( psz ) /* No, this is NOT a use-after-free error */
372 psz = var_CreateGetNonEmptyString( p_access, "http-proxy-pwd" );
374 p_sys->proxy.psz_password = p_sys->psz_proxy_passbuf = psz;
379 if( p_sys->proxy.psz_host == NULL || *p_sys->proxy.psz_host == '\0' )
381 msg_Warn( p_access, "invalid proxy host" );
384 if( p_sys->proxy.i_port <= 0 )
386 p_sys->proxy.i_port = 80;
390 msg_Dbg( p_access, "http: server='%s' port=%d file='%s",
391 p_sys->url.psz_host, p_sys->url.i_port, p_sys->url.psz_path );
394 msg_Dbg( p_access, " proxy %s:%d", p_sys->proxy.psz_host,
395 p_sys->proxy.i_port );
397 if( p_sys->url.psz_username && *p_sys->url.psz_username )
399 msg_Dbg( p_access, " user='%s'", p_sys->url.psz_username );
402 p_sys->b_reconnect = var_CreateGetBool( p_access, "http-reconnect" );
403 p_sys->b_continuous = var_CreateGetBool( p_access, "http-continuous" );
407 switch( Connect( p_access, 0 ) )
413 /* Retry with http 1.0 */
414 msg_Dbg( p_access, "switching to HTTP version 1.0" );
415 p_sys->i_version = 0;
416 p_sys->b_seekable = false;
418 if( p_access->b_die || Connect( p_access, 0 ) )
426 msg_Err( p_access, "You should not be here" );
431 if( p_sys->i_code == 401 )
433 char *psz_login = NULL, *psz_password = NULL;
437 if( p_sys->url.psz_username && p_sys->url.psz_password &&
438 p_sys->auth.psz_nonce && p_sys->auth.i_nonce == 0 )
442 snprintf( psz_msg, 250,
443 _("Please enter a valid login name and a password for realm %s."),
444 p_sys->auth.psz_realm );
445 msg_Dbg( p_access, "authentication failed for realm %s",
446 p_sys->auth.psz_realm );
447 i_ret = intf_UserLoginPassword( p_access, _("HTTP authentication"),
448 psz_msg, &psz_login, &psz_password );
449 if( i_ret == DIALOG_OK_YES )
451 msg_Dbg( p_access, "retrying with user=%s, pwd=%s",
452 psz_login, psz_password );
453 if( psz_login ) p_sys->url.psz_username = strdup( psz_login );
454 if( psz_password ) p_sys->url.psz_password = strdup( psz_password );
456 free( psz_password );
462 free( psz_password );
467 if( ( p_sys->i_code == 301 || p_sys->i_code == 302 ||
468 p_sys->i_code == 303 || p_sys->i_code == 307 ) &&
469 p_sys->psz_location && *p_sys->psz_location )
471 msg_Dbg( p_access, "redirection to %s", p_sys->psz_location );
473 /* Do not accept redirection outside of HTTP works */
474 if( strncmp( p_sys->psz_location, "http", 4 )
475 || ( ( p_sys->psz_location[4] != ':' ) /* HTTP */
476 && strncmp( p_sys->psz_location + 4, "s:", 2 ) /* HTTP/SSL */ ) )
478 msg_Err( p_access, "insecure redirection ignored" );
481 free( p_access->psz_path );
482 p_access->psz_path = strdup( p_sys->psz_location );
483 /* Clean up current Open() run */
484 vlc_UrlClean( &p_sys->url );
485 AuthReset( &p_sys->auth );
486 vlc_UrlClean( &p_sys->proxy );
487 free( p_sys->psz_proxy_passbuf );
488 AuthReset( &p_sys->proxy_auth );
489 free( p_sys->psz_mime );
490 free( p_sys->psz_pragma );
491 free( p_sys->psz_location );
492 free( p_sys->psz_user_agent );
494 Disconnect( p_access );
495 cookies = p_sys->cookies;
498 /* Do new Open() run with new data */
499 return OpenWithCookies( p_this, cookies );
504 msg_Dbg( p_access, "this is actually a live mms server, BAIL" );
508 if( !strcmp( p_sys->psz_protocol, "ICY" ) || p_sys->b_icecast )
510 if( p_sys->psz_mime && strcasecmp( p_sys->psz_mime, "application/ogg" ) )
512 if( !strcasecmp( p_sys->psz_mime, "video/nsv" ) ||
513 !strcasecmp( p_sys->psz_mime, "video/nsa" ) )
515 free( p_access->psz_demux );
516 p_access->psz_demux = strdup( "nsv" );
518 else if( !strcasecmp( p_sys->psz_mime, "audio/aac" ) ||
519 !strcasecmp( p_sys->psz_mime, "audio/aacp" ) )
521 free( p_access->psz_demux );
522 p_access->psz_demux = strdup( "m4a" );
524 else if( !strcasecmp( p_sys->psz_mime, "audio/mpeg" ) )
526 free( p_access->psz_demux );
527 p_access->psz_demux = strdup( "mp3" );
530 msg_Info( p_access, "Raw-audio server found, %s demuxer selected",
531 p_access->psz_demux );
533 #if 0 /* Doesn't work really well because of the pre-buffering in
534 * shoutcast servers (the buffer content will be sent as fast as
536 p_sys->b_pace_control = false;
539 else if( !p_sys->psz_mime )
541 free( p_access->psz_demux );
543 p_access->psz_demux = strdup( "mp3" );
545 /* else probably Ogg Vorbis */
547 else if( !strcasecmp( p_access->psz_access, "unsv" ) &&
549 !strcasecmp( p_sys->psz_mime, "misc/ultravox" ) )
551 free( p_access->psz_demux );
552 /* Grrrr! detect ultravox server and force NSV demuxer */
553 p_access->psz_demux = strdup( "nsv" );
555 else if( !strcmp( p_access->psz_access, "itpc" ) )
557 free( p_access->psz_demux );
558 p_access->psz_demux = strdup( "podcast" );
560 else if( p_sys->psz_mime &&
561 !strncasecmp( p_sys->psz_mime, "application/xspf+xml", 20 ) &&
562 ( memchr( " ;\t", p_sys->psz_mime[20], 4 ) != NULL ) )
564 free( p_access->psz_demux );
565 p_access->psz_demux = strdup( "xspf-open" );
568 if( p_sys->b_reconnect ) msg_Dbg( p_access, "auto re-connect enabled" );
571 var_Create( p_access, "http-caching", VLC_VAR_INTEGER |VLC_VAR_DOINHERIT );
576 vlc_UrlClean( &p_sys->url );
577 vlc_UrlClean( &p_sys->proxy );
578 free( p_sys->psz_proxy_passbuf );
579 free( p_sys->psz_mime );
580 free( p_sys->psz_pragma );
581 free( p_sys->psz_location );
582 free( p_sys->psz_user_agent );
584 Disconnect( p_access );
589 /*****************************************************************************
591 *****************************************************************************/
592 static void Close( vlc_object_t *p_this )
594 access_t *p_access = (access_t*)p_this;
595 access_sys_t *p_sys = p_access->p_sys;
597 vlc_UrlClean( &p_sys->url );
598 AuthReset( &p_sys->auth );
599 vlc_UrlClean( &p_sys->proxy );
600 AuthReset( &p_sys->proxy_auth );
602 free( p_sys->psz_mime );
603 free( p_sys->psz_pragma );
604 free( p_sys->psz_location );
606 free( p_sys->psz_icy_name );
607 free( p_sys->psz_icy_genre );
608 free( p_sys->psz_icy_title );
610 free( p_sys->psz_user_agent );
612 Disconnect( p_access );
617 for( i = 0; i < vlc_array_count( p_sys->cookies ); i++ )
618 free(vlc_array_item_at_index( p_sys->cookies, i ));
619 vlc_array_destroy( p_sys->cookies );
623 inflateEnd( &p_sys->inflate.stream );
624 free( p_sys->inflate.p_buffer );
630 /*****************************************************************************
631 * Read: Read up to i_len bytes from the http connection and place in
632 * p_buffer. Return the actual number of bytes read
633 *****************************************************************************/
634 static int ReadICYMeta( access_t *p_access );
635 static ssize_t Read( access_t *p_access, uint8_t *p_buffer, size_t i_len )
637 access_sys_t *p_sys = p_access->p_sys;
642 p_access->info.b_eof = true;
646 if( p_access->info.i_size >= 0 &&
647 i_len + p_access->info.i_pos > p_access->info.i_size )
649 if( ( i_len = p_access->info.i_size - p_access->info.i_pos ) == 0 )
651 p_access->info.b_eof = true;
656 if( p_sys->b_chunked )
658 if( p_sys->i_chunk < 0 )
660 p_access->info.b_eof = true;
664 if( p_sys->i_chunk <= 0 )
666 char *psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, p_sys->p_vs );
667 /* read the chunk header */
670 /* fatal error - end of file */
671 msg_Dbg( p_access, "failed reading chunk-header line" );
674 p_sys->i_chunk = strtoll( psz, NULL, 16 );
677 if( p_sys->i_chunk <= 0 ) /* eof */
680 p_access->info.b_eof = true;
685 if( i_len > p_sys->i_chunk )
687 i_len = p_sys->i_chunk;
690 else if( p_access->info.i_size != -1 && (int64_t)i_len > p_sys->i_remaining) {
691 /* Only ask for the remaining length */
692 i_len = (size_t)p_sys->i_remaining;
694 p_access->info.b_eof = true;
700 if( p_sys->i_icy_meta > 0 && p_access->info.i_pos > 0 )
702 int64_t i_next = p_sys->i_icy_meta -
703 p_access->info.i_pos % p_sys->i_icy_meta;
705 if( i_next == p_sys->i_icy_meta )
707 if( ReadICYMeta( p_access ) )
709 p_access->info.b_eof = true;
717 i_read = net_Read( p_access, p_sys->fd, p_sys->p_vs, p_buffer, i_len, false );
721 p_access->info.i_pos += i_read;
723 if( p_sys->b_chunked )
725 p_sys->i_chunk -= i_read;
726 if( p_sys->i_chunk <= 0 )
728 /* read the empty line */
729 char *psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, p_sys->p_vs );
734 else if( i_read == 0 )
737 * I very much doubt that this will work.
738 * If i_read == 0, the connection *IS* dead, so the only
739 * sensible thing to do is Disconnect() and then retry.
740 * Otherwise, I got recv() completely wrong. -- Courmisch
742 if( p_sys->b_continuous )
744 Request( p_access, 0 );
745 p_sys->b_continuous = false;
746 i_read = Read( p_access, p_buffer, i_len );
747 p_sys->b_continuous = true;
749 Disconnect( p_access );
750 if( p_sys->b_reconnect )
752 msg_Dbg( p_access, "got disconnected, trying to reconnect" );
753 if( Connect( p_access, p_access->info.i_pos ) )
755 msg_Dbg( p_access, "reconnection failed" );
759 p_sys->b_reconnect = false;
760 i_read = Read( p_access, p_buffer, i_len );
761 p_sys->b_reconnect = true;
765 if( i_read == 0 ) p_access->info.b_eof = true;
768 if( p_access->info.i_size != -1 )
770 p_sys->i_remaining -= i_read;
776 static int ReadICYMeta( access_t *p_access )
778 access_sys_t *p_sys = p_access->p_sys;
784 /* Read meta data length */
785 i_read = net_Read( p_access, p_sys->fd, p_sys->p_vs, &buffer, 1,
792 i_read = buffer << 4;
793 /* msg_Dbg( p_access, "ICY meta size=%u", i_read); */
795 psz_meta = malloc( i_read + 1 );
796 if( net_Read( p_access, p_sys->fd, p_sys->p_vs,
797 (uint8_t *)psz_meta, i_read, true ) != i_read )
800 psz_meta[i_read] = '\0'; /* Just in case */
802 /* msg_Dbg( p_access, "icy-meta=%s", psz_meta ); */
804 /* Now parse the meta */
805 /* Look for StreamTitle= */
806 p = strcasestr( (char *)psz_meta, "StreamTitle=" );
809 p += strlen( "StreamTitle=" );
810 if( *p == '\'' || *p == '"' )
812 char closing[] = { p[0], ';', '\0' };
813 char *psz = strstr( &p[1], closing );
815 psz = strchr( &p[1], ';' );
817 if( psz ) *psz = '\0';
821 char *psz = strchr( &p[1], ';' );
822 if( psz ) *psz = '\0';
825 if( !p_sys->psz_icy_title ||
826 strcmp( p_sys->psz_icy_title, &p[1] ) )
828 free( p_sys->psz_icy_title );
829 p_sys->psz_icy_title = strdup( &p[1] );
830 p_access->info.i_update |= INPUT_UPDATE_META;
832 msg_Dbg( p_access, "New Title=%s", p_sys->psz_icy_title );
841 static ssize_t ReadCompressed( access_t *p_access, uint8_t *p_buffer,
844 access_sys_t *p_sys = p_access->p_sys;
846 if( p_sys->b_compressed )
850 if( !p_sys->inflate.p_buffer )
851 p_sys->inflate.p_buffer = malloc( 256 * 1024 );
853 if( p_sys->inflate.stream.avail_in == 0 )
855 ssize_t i_read = Read( p_access, p_sys->inflate.p_buffer + p_sys->inflate.stream.avail_in, 256 * 1024 );
856 if( i_read <= 0 ) return i_read;
857 p_sys->inflate.stream.next_in = p_sys->inflate.p_buffer;
858 p_sys->inflate.stream.avail_in = i_read;
861 p_sys->inflate.stream.avail_out = i_len;
862 p_sys->inflate.stream.next_out = p_buffer;
864 i_ret = inflate( &p_sys->inflate.stream, Z_SYNC_FLUSH );
865 msg_Warn( p_access, "inflate return value: %d, %s", i_ret, p_sys->inflate.stream.msg );
867 return i_len - p_sys->inflate.stream.avail_out;
871 return Read( p_access, p_buffer, i_len );
876 /*****************************************************************************
877 * Seek: close and re-open a connection at the right place
878 *****************************************************************************/
879 static int Seek( access_t *p_access, int64_t i_pos )
881 msg_Dbg( p_access, "trying to seek to %"PRId64, i_pos );
883 Disconnect( p_access );
885 if( p_access->info.i_size
886 && (uint64_t)i_pos >= (uint64_t)p_access->info.i_size ) {
887 msg_Err( p_access, "seek to far" );
888 int retval = Seek( p_access, p_access->info.i_size - 1 );
889 if( retval == VLC_SUCCESS ) {
891 Read( p_access, p_buffer, 1);
892 p_access->info.b_eof = false;
896 if( Connect( p_access, i_pos ) )
898 msg_Err( p_access, "seek failed" );
899 p_access->info.b_eof = true;
905 /*****************************************************************************
907 *****************************************************************************/
908 static int Control( access_t *p_access, int i_query, va_list args )
910 access_sys_t *p_sys = p_access->p_sys;
919 case ACCESS_CAN_SEEK:
920 pb_bool = (bool*)va_arg( args, bool* );
921 *pb_bool = p_sys->b_seekable;
923 case ACCESS_CAN_FASTSEEK:
924 pb_bool = (bool*)va_arg( args, bool* );
927 case ACCESS_CAN_PAUSE:
928 case ACCESS_CAN_CONTROL_PACE:
929 pb_bool = (bool*)va_arg( args, bool* );
931 #if 0 /* Disable for now until we have a clock synchro algo
932 * which works with something else than MPEG over UDP */
933 *pb_bool = p_sys->b_pace_control;
940 pi_int = (int*)va_arg( args, int * );
944 case ACCESS_GET_PTS_DELAY:
945 pi_64 = (int64_t*)va_arg( args, int64_t * );
946 *pi_64 = (int64_t)var_GetInteger( p_access, "http-caching" ) * 1000;
950 case ACCESS_SET_PAUSE_STATE:
953 case ACCESS_GET_META:
954 p_meta = (vlc_meta_t*)va_arg( args, vlc_meta_t* );
956 if( p_sys->psz_icy_name )
957 vlc_meta_Set( p_meta, vlc_meta_Title, p_sys->psz_icy_name );
958 if( p_sys->psz_icy_genre )
959 vlc_meta_Set( p_meta, vlc_meta_Genre, p_sys->psz_icy_genre );
960 if( p_sys->psz_icy_title )
961 vlc_meta_Set( p_meta, vlc_meta_NowPlaying, p_sys->psz_icy_title );
964 case ACCESS_GET_CONTENT_TYPE:
965 *va_arg( args, char ** ) =
966 p_sys->psz_mime ? strdup( p_sys->psz_mime ) : NULL;
969 case ACCESS_GET_TITLE_INFO:
970 case ACCESS_SET_TITLE:
971 case ACCESS_SET_SEEKPOINT:
972 case ACCESS_SET_PRIVATE_ID_STATE:
976 msg_Warn( p_access, "unimplemented query in control" );
983 /*****************************************************************************
985 *****************************************************************************/
986 static int Connect( access_t *p_access, int64_t i_tell )
988 access_sys_t *p_sys = p_access->p_sys;
989 vlc_url_t srv = p_sys->b_proxy ? p_sys->proxy : p_sys->url;
992 free( p_sys->psz_location );
993 free( p_sys->psz_mime );
994 free( p_sys->psz_pragma );
996 free( p_sys->psz_icy_genre );
997 free( p_sys->psz_icy_name );
998 free( p_sys->psz_icy_title );
1001 p_sys->psz_location = NULL;
1002 p_sys->psz_mime = NULL;
1003 p_sys->psz_pragma = NULL;
1004 p_sys->b_mms = false;
1005 p_sys->b_chunked = false;
1007 p_sys->i_icy_meta = 0;
1008 p_sys->psz_icy_name = NULL;
1009 p_sys->psz_icy_genre = NULL;
1010 p_sys->psz_icy_title = NULL;
1011 p_sys->i_remaining = 0;
1012 p_sys->b_persist = false;
1014 p_access->info.i_size = -1;
1015 p_access->info.i_pos = i_tell;
1016 p_access->info.b_eof = false;
1019 /* Open connection */
1020 p_sys->fd = net_ConnectTCP( p_access, srv.psz_host, srv.i_port );
1021 if( p_sys->fd == -1 )
1023 msg_Err( p_access, "cannot connect to %s:%d", srv.psz_host, srv.i_port );
1027 /* Initialize TLS/SSL session */
1028 if( p_sys->b_ssl == true )
1030 /* CONNECT to establish TLS tunnel through HTTP proxy */
1031 if( p_sys->b_proxy )
1034 unsigned i_status = 0;
1036 if( p_sys->i_version == 0 )
1038 /* CONNECT is not in HTTP/1.0 */
1039 Disconnect( p_access );
1043 net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL,
1044 "CONNECT %s:%d HTTP/1.%d\r\nHost: %s:%d\r\n\r\n",
1045 p_sys->url.psz_host, p_sys->url.i_port,
1047 p_sys->url.psz_host, p_sys->url.i_port);
1049 psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, NULL );
1052 msg_Err( p_access, "cannot establish HTTP/TLS tunnel" );
1053 Disconnect( p_access );
1057 sscanf( psz, "HTTP/%*u.%*u %3u", &i_status );
1060 if( ( i_status / 100 ) != 2 )
1062 msg_Err( p_access, "HTTP/TLS tunnel through proxy denied" );
1063 Disconnect( p_access );
1069 psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, NULL );
1072 msg_Err( p_access, "HTTP proxy connection failed" );
1073 Disconnect( p_access );
1082 if( p_access->b_die || p_access->b_error )
1084 Disconnect( p_access );
1091 /* TLS/SSL handshake */
1092 p_sys->p_tls = tls_ClientCreate( VLC_OBJECT(p_access), p_sys->fd,
1094 if( p_sys->p_tls == NULL )
1096 msg_Err( p_access, "cannot establish HTTP/TLS session" );
1097 Disconnect( p_access );
1100 p_sys->p_vs = &p_sys->p_tls->sock;
1103 return Request( p_access, i_tell ) ? -2 : 0;
1107 static int Request( access_t *p_access, int64_t i_tell )
1109 access_sys_t *p_sys = p_access->p_sys;
1111 v_socket_t *pvs = p_sys->p_vs;
1112 bool b_connection_close = false;
1113 p_sys->b_persist = false;
1115 p_sys->i_remaining = 0;
1116 if( p_sys->b_proxy )
1118 if( p_sys->url.psz_path )
1120 net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL,
1121 "GET http://%s:%d%s HTTP/1.%d\r\n",
1122 p_sys->url.psz_host, p_sys->url.i_port,
1123 p_sys->url.psz_path, p_sys->i_version );
1127 net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL,
1128 "GET http://%s:%d/ HTTP/1.%d\r\n",
1129 p_sys->url.psz_host, p_sys->url.i_port,
1135 const char *psz_path = p_sys->url.psz_path;
1136 if( !psz_path || !*psz_path )
1140 if( p_sys->url.i_port != (pvs ? 443 : 80) )
1142 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs,
1143 "GET %s HTTP/1.%d\r\nHost: %s:%d\r\n",
1144 psz_path, p_sys->i_version, p_sys->url.psz_host,
1145 p_sys->url.i_port );
1149 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs,
1150 "GET %s HTTP/1.%d\r\nHost: %s\r\n",
1151 psz_path, p_sys->i_version, p_sys->url.psz_host );
1155 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs, "User-Agent: %s\r\n",
1156 p_sys->psz_user_agent );
1158 if( p_sys->i_version == 1 && ! p_sys->b_continuous )
1160 p_sys->b_persist = true;
1161 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs,
1162 "Range: bytes=%"PRIu64"-\r\n", i_tell );
1166 if( p_sys->cookies )
1169 for( i = 0; i < vlc_array_count( p_sys->cookies ); i++ )
1171 const char * cookie = vlc_array_item_at_index( p_sys->cookies, i );
1172 char * psz_cookie_content = cookie_get_content( cookie );
1173 char * psz_cookie_domain = cookie_get_domain( cookie );
1175 assert( psz_cookie_content );
1177 /* FIXME: This is clearly not conforming to the rfc */
1178 bool is_in_right_domain = (!psz_cookie_domain || strstr( p_sys->url.psz_host, psz_cookie_domain ));
1180 if( is_in_right_domain )
1182 msg_Dbg( p_access, "Sending Cookie %s", psz_cookie_content );
1183 if( net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs, "Cookie: %s\r\n", psz_cookie_content ) < 0 )
1184 msg_Err( p_access, "failed to send Cookie" );
1186 free( psz_cookie_content );
1187 free( psz_cookie_domain );
1191 /* Authentication */
1192 if( p_sys->url.psz_username || p_sys->url.psz_password )
1193 AuthReply( p_access, "", &p_sys->url, &p_sys->auth );
1195 /* Proxy Authentication */
1196 if( p_sys->proxy.psz_username || p_sys->proxy.psz_password )
1197 AuthReply( p_access, "Proxy-", &p_sys->proxy, &p_sys->proxy_auth );
1199 /* ICY meta data request */
1200 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs, "Icy-MetaData: 1\r\n" );
1203 if( net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs, "\r\n" ) < 0 )
1205 msg_Err( p_access, "failed to send request" );
1206 Disconnect( p_access );
1207 return VLC_EGENERIC;
1211 if( ( psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, pvs ) ) == NULL )
1213 msg_Err( p_access, "failed to read answer" );
1216 if( !strncmp( psz, "HTTP/1.", 7 ) )
1218 p_sys->psz_protocol = "HTTP";
1219 p_sys->i_code = atoi( &psz[9] );
1221 else if( !strncmp( psz, "ICY", 3 ) )
1223 p_sys->psz_protocol = "ICY";
1224 p_sys->i_code = atoi( &psz[4] );
1225 p_sys->b_reconnect = true;
1229 msg_Err( p_access, "invalid HTTP reply '%s'", psz );
1233 msg_Dbg( p_access, "protocol '%s' answer code %d",
1234 p_sys->psz_protocol, p_sys->i_code );
1235 if( !strcmp( p_sys->psz_protocol, "ICY" ) )
1237 p_sys->b_seekable = false;
1239 if( p_sys->i_code != 206 && p_sys->i_code != 401 )
1241 p_sys->b_seekable = false;
1243 /* Authentication error - We'll have to display the dialog */
1244 if( p_sys->i_code == 401 )
1248 /* Other fatal error */
1249 else if( p_sys->i_code >= 400 )
1251 msg_Err( p_access, "error: %s", psz );
1259 char *psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, pvs );
1264 msg_Err( p_access, "failed to read answer" );
1268 if( p_access->b_die || p_access->b_error )
1274 /* msg_Dbg( p_input, "Line=%s", psz ); */
1281 if( ( p = strchr( psz, ':' ) ) == NULL )
1283 msg_Err( p_access, "malformed header line: %s", psz );
1288 while( *p == ' ' ) p++;
1290 if( !strcasecmp( psz, "Content-Length" ) )
1292 int64_t i_size = i_tell + (p_sys->i_remaining = atoll( p ));
1293 if(i_size > p_access->info.i_size) {
1294 p_access->info.i_size = i_size;
1296 msg_Dbg( p_access, "this frame size=%"PRId64, p_sys->i_remaining );
1298 else if( !strcasecmp( psz, "Content-Range" ) ) {
1299 int64_t i_ntell = i_tell;
1300 int64_t i_nend = (p_access->info.i_size > 0)?(p_access->info.i_size - 1):i_tell;
1301 int64_t i_nsize = p_access->info.i_size;
1302 sscanf(p,"bytes %"PRId64"-%"PRId64"/%"PRId64,&i_ntell,&i_nend,&i_nsize);
1303 if(i_nend > i_ntell ) {
1304 p_access->info.i_pos = i_ntell;
1305 p_sys->i_remaining = i_nend+1-i_ntell;
1306 int64_t i_size = (i_nsize > i_nend) ? i_nsize : (i_nend + 1);
1307 if(i_size > p_access->info.i_size) {
1308 p_access->info.i_size = i_size;
1310 msg_Dbg( p_access, "stream size=%"PRId64",pos=%"PRId64",remaining=%"PRId64,i_nsize,i_ntell,p_sys->i_remaining);
1313 else if( !strcasecmp( psz, "Connection" ) ) {
1314 msg_Dbg( p_access, "Connection: %s",p );
1316 sscanf(p, "close%n",&i);
1318 p_sys->b_persist = false;
1321 else if( !strcasecmp( psz, "Location" ) )
1325 /* This does not follow RFC 2068, but yet if the url is not absolute,
1326 * handle it as everyone does. */
1329 const char *psz_http_ext = p_sys->b_ssl ? "s" : "" ;
1331 if( p_sys->url.i_port == ( p_sys->b_ssl ? 443 : 80 ) )
1333 if( asprintf(&psz_new_loc, "http%s://%s%s", psz_http_ext,
1334 p_sys->url.psz_host, p) < 0 )
1339 if( asprintf(&psz_new_loc, "http%s://%s:%d%s", psz_http_ext,
1340 p_sys->url.psz_host, p_sys->url.i_port, p) < 0 )
1346 psz_new_loc = strdup( p );
1349 free( p_sys->psz_location );
1350 p_sys->psz_location = psz_new_loc;
1352 else if( !strcasecmp( psz, "Content-Type" ) )
1354 free( p_sys->psz_mime );
1355 p_sys->psz_mime = strdup( p );
1356 msg_Dbg( p_access, "Content-Type: %s", p_sys->psz_mime );
1358 else if( !strcasecmp( psz, "Content-Encoding" ) )
1360 msg_Dbg( p_access, "Content-Encoding: %s", p );
1361 if( strcasecmp( p, "identity" ) )
1363 p_sys->b_compressed = true;
1365 msg_Warn( p_access, "Compressed content not supported. Rebuild with zlib support." );
1368 else if( !strcasecmp( psz, "Pragma" ) )
1370 if( !strcasecmp( psz, "Pragma: features" ) )
1371 p_sys->b_mms = true;
1372 free( p_sys->psz_pragma );
1373 p_sys->psz_pragma = strdup( p );
1374 msg_Dbg( p_access, "Pragma: %s", p_sys->psz_pragma );
1376 else if( !strcasecmp( psz, "Server" ) )
1378 msg_Dbg( p_access, "Server: %s", p );
1379 if( !strncasecmp( p, "Icecast", 7 ) ||
1380 !strncasecmp( p, "Nanocaster", 10 ) )
1382 /* Remember if this is Icecast
1383 * we need to force demux in this case without breaking
1386 /* Let live 365 streams (nanocaster) piggyback on the icecast
1387 * routine. They look very similar */
1389 p_sys->b_reconnect = true;
1390 p_sys->b_pace_control = false;
1391 p_sys->b_icecast = true;
1394 else if( !strcasecmp( psz, "Transfer-Encoding" ) )
1396 msg_Dbg( p_access, "Transfer-Encoding: %s", p );
1397 if( !strncasecmp( p, "chunked", 7 ) )
1399 p_sys->b_chunked = true;
1402 else if( !strcasecmp( psz, "Icy-MetaInt" ) )
1404 msg_Dbg( p_access, "Icy-MetaInt: %s", p );
1405 p_sys->i_icy_meta = atoi( p );
1406 if( p_sys->i_icy_meta < 0 )
1407 p_sys->i_icy_meta = 0;
1409 msg_Warn( p_access, "ICY metaint=%d", p_sys->i_icy_meta );
1411 else if( !strcasecmp( psz, "Icy-Name" ) )
1413 free( p_sys->psz_icy_name );
1414 p_sys->psz_icy_name = strdup( p );
1415 msg_Dbg( p_access, "Icy-Name: %s", p_sys->psz_icy_name );
1417 p_sys->b_icecast = true; /* be on the safeside. set it here as well. */
1418 p_sys->b_reconnect = true;
1419 p_sys->b_pace_control = false;
1421 else if( !strcasecmp( psz, "Icy-Genre" ) )
1423 free( p_sys->psz_icy_genre );
1424 p_sys->psz_icy_genre = strdup( p );
1425 msg_Dbg( p_access, "Icy-Genre: %s", p_sys->psz_icy_genre );
1427 else if( !strncasecmp( psz, "Icy-Notice", 10 ) )
1429 msg_Dbg( p_access, "Icy-Notice: %s", p );
1431 else if( !strncasecmp( psz, "icy-", 4 ) ||
1432 !strncasecmp( psz, "ice-", 4 ) ||
1433 !strncasecmp( psz, "x-audiocast", 11 ) )
1435 msg_Dbg( p_access, "Meta-Info: %s: %s", psz, p );
1437 else if( !strcasecmp( psz, "Set-Cookie" ) )
1439 if( p_sys->cookies )
1441 msg_Dbg( p_access, "Accepting Cookie: %s", p );
1442 cookie_append( p_sys->cookies, strdup(p) );
1445 msg_Dbg( p_access, "We have a Cookie we won't remember: %s", p );
1447 else if( !strcasecmp( psz, "www-authenticate" ) )
1449 msg_Dbg( p_access, "Authentication header: %s", p );
1450 AuthParseHeader( p_access, p, &p_sys->auth );
1452 else if( !strcasecmp( psz, "proxy-authenticate" ) )
1454 msg_Dbg( p_access, "Proxy authentication header: %s", p );
1455 AuthParseHeader( p_access, p, &p_sys->proxy_auth );
1457 else if( !strcasecmp( psz, "authentication-info" ) )
1459 msg_Dbg( p_access, "Authentication Info header: %s", p );
1460 if( AuthCheckReply( p_access, p, &p_sys->url, &p_sys->auth ) )
1463 else if( !strcasecmp( psz, "proxy-authentication-info" ) )
1465 msg_Dbg( p_access, "Proxy Authentication Info header: %s", p );
1466 if( AuthCheckReply( p_access, p, &p_sys->proxy, &p_sys->proxy_auth ) )
1472 /* We close the stream for zero length data, unless of course the
1473 * server has already promised to do this for us.
1475 if( p_access->info.i_size != -1 && p_sys->i_remaining == 0 && p_sys->b_persist ) {
1476 Disconnect( p_access );
1481 Disconnect( p_access );
1482 return VLC_EGENERIC;
1485 /*****************************************************************************
1487 *****************************************************************************/
1488 static void Disconnect( access_t *p_access )
1490 access_sys_t *p_sys = p_access->p_sys;
1492 if( p_sys->p_tls != NULL)
1494 tls_ClientDelete( p_sys->p_tls );
1495 p_sys->p_tls = NULL;
1498 if( p_sys->fd != -1)
1500 net_Close(p_sys->fd);
1506 /*****************************************************************************
1507 * Cookies (FIXME: we may want to rewrite that using a nice structure to hold
1508 * them) (FIXME: only support the "domain=" param)
1509 *****************************************************************************/
1511 /* Get the NAME=VALUE part of the Cookie */
1512 static char * cookie_get_content( const char * cookie )
1514 char * ret = strdup( cookie );
1515 if( !ret ) return NULL;
1517 /* Look for a ';' */
1518 while( *str && *str != ';' ) str++;
1519 /* Replace it by a end-char */
1520 if( *str == ';' ) *str = 0;
1524 /* Get the domain where the cookie is stored */
1525 static char * cookie_get_domain( const char * cookie )
1527 const char * str = cookie;
1528 static const char domain[] = "domain=";
1531 /* Look for a ';' */
1534 if( !strncmp( str, domain, sizeof(domain) - 1 /* minus \0 */ ) )
1536 str += sizeof(domain) - 1 /* minus \0 */;
1537 char * ret = strdup( str );
1538 /* Now remove the next ';' if present */
1539 char * ret_iter = ret;
1540 while( *ret_iter && *ret_iter != ';' ) ret_iter++;
1541 if( *ret_iter == ';' )
1545 /* Go to next ';' field */
1546 while( *str && *str != ';' ) str++;
1547 if( *str == ';' ) str++;
1549 while( *str && *str == ' ' ) str++;
1554 /* Get NAME in the NAME=VALUE field */
1555 static char * cookie_get_name( const char * cookie )
1557 char * ret = cookie_get_content( cookie ); /* NAME=VALUE */
1558 if( !ret ) return NULL;
1560 while( *str && *str != '=' ) str++;
1565 /* Add a cookie in cookies, checking to see how it should be added */
1566 static void cookie_append( vlc_array_t * cookies, char * cookie )
1573 char * cookie_name = cookie_get_name( cookie );
1575 /* Don't send invalid cookies */
1579 char * cookie_domain = cookie_get_domain( cookie );
1580 for( i = 0; i < vlc_array_count( cookies ); i++ )
1582 char * current_cookie = vlc_array_item_at_index( cookies, i );
1583 char * current_cookie_name = cookie_get_name( current_cookie );
1584 char * current_cookie_domain = cookie_get_domain( current_cookie );
1586 assert( current_cookie_name );
1588 bool is_domain_matching = ( cookie_domain && current_cookie_domain &&
1589 !strcmp( cookie_domain, current_cookie_domain ) );
1591 if( is_domain_matching && !strcmp( cookie_name, current_cookie_name ) )
1593 /* Remove previous value for this cookie */
1594 free( current_cookie );
1595 vlc_array_remove( cookies, i );
1598 free( current_cookie_name );
1599 free( current_cookie_domain );
1602 free( current_cookie_name );
1603 free( current_cookie_domain );
1605 free( cookie_name );
1606 free( cookie_domain );
1607 vlc_array_append( cookies, cookie );
1610 /*****************************************************************************
1611 * "RFC 2617: Basic and Digest Access Authentication" header parsing
1612 *****************************************************************************/
1613 static char *AuthGetParam( const char *psz_header, const char *psz_param )
1615 char psz_what[strlen(psz_param)+3];
1616 sprintf( psz_what, "%s=\"", psz_param );
1617 psz_header = strstr( psz_header, psz_what );
1620 const char *psz_end;
1621 psz_header += strlen( psz_what );
1622 psz_end = strchr( psz_header, '"' );
1623 if( !psz_end ) /* Invalid since we should have a closing quote */
1624 return strdup( psz_header );
1625 return strndup( psz_header, psz_end - psz_header );
1633 static char *AuthGetParamNoQuotes( const char *psz_header, const char *psz_param )
1635 char psz_what[strlen(psz_param)+2];
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 /* XXX: Do we need to filter out trailing space between the value and
1644 * the comma/end of line? */
1645 if( !psz_end ) /* Can be valid if this is the last parameter */
1646 return strdup( psz_header );
1647 return strndup( psz_header, psz_end - psz_header );
1655 static void AuthParseHeader( access_t *p_access, const char *psz_header,
1656 http_auth_t *p_auth )
1658 /* FIXME: multiple auth methods can be listed (comma seperated) */
1660 /* 2 Basic Authentication Scheme */
1661 if( !strncasecmp( psz_header, "Basic ", strlen( "Basic " ) ) )
1663 msg_Dbg( p_access, "Using Basic Authentication" );
1664 psz_header += strlen( "Basic " );
1665 p_auth->psz_realm = AuthGetParam( psz_header, "realm" );
1666 if( !p_auth->psz_realm )
1667 msg_Warn( p_access, "Basic Authentication: "
1668 "Mandatory 'realm' parameter is missing" );
1670 /* 3 Digest Access Authentication Scheme */
1671 else if( !strncasecmp( psz_header, "Digest ", strlen( "Digest " ) ) )
1673 msg_Dbg( p_access, "Using Digest Access Authentication" );
1674 if( p_auth->psz_nonce ) return; /* FIXME */
1675 psz_header += strlen( "Digest " );
1676 p_auth->psz_realm = AuthGetParam( psz_header, "realm" );
1677 p_auth->psz_domain = AuthGetParam( psz_header, "domain" );
1678 p_auth->psz_nonce = AuthGetParam( psz_header, "nonce" );
1679 p_auth->psz_opaque = AuthGetParam( psz_header, "opaque" );
1680 p_auth->psz_stale = AuthGetParamNoQuotes( psz_header, "stale" );
1681 p_auth->psz_algorithm = AuthGetParamNoQuotes( psz_header, "algorithm" );
1682 p_auth->psz_qop = AuthGetParam( psz_header, "qop" );
1683 p_auth->i_nonce = 0;
1684 /* printf("realm: |%s|\ndomain: |%s|\nnonce: |%s|\nopaque: |%s|\n"
1685 "stale: |%s|\nalgorithm: |%s|\nqop: |%s|\n",
1686 p_auth->psz_realm,p_auth->psz_domain,p_auth->psz_nonce,
1687 p_auth->psz_opaque,p_auth->psz_stale,p_auth->psz_algorithm,
1688 p_auth->psz_qop); */
1689 if( !p_auth->psz_realm )
1690 msg_Warn( p_access, "Digest Access Authentication: "
1691 "Mandatory 'realm' parameter is missing" );
1692 if( !p_auth->psz_nonce )
1693 msg_Warn( p_access, "Digest Access Authentication: "
1694 "Mandatory 'nonce' parameter is missing" );
1695 if( p_auth->psz_qop ) /* FIXME: parse the qop list */
1697 char *psz_tmp = strchr( p_auth->psz_qop, ',' );
1698 if( psz_tmp ) *psz_tmp = '\0';
1703 const char *psz_end = strchr( psz_header, ' ' );
1705 msg_Warn( p_access, "Unknown authentication scheme: '%*s'",
1706 psz_end - psz_header, psz_header );
1708 msg_Warn( p_access, "Unknown authentication scheme: '%s'",
1713 static char *AuthDigest( access_t *p_access, vlc_url_t *p_url,
1714 http_auth_t *p_auth, const char *psz_method )
1717 const char *psz_username = p_url->psz_username ?: "";
1718 const char *psz_password = p_url->psz_password ?: "";
1720 char *psz_HA1 = NULL;
1721 char *psz_HA2 = NULL;
1722 char *psz_response = NULL;
1726 if( p_auth->psz_HA1 )
1728 psz_HA1 = strdup( p_auth->psz_HA1 );
1729 if( !psz_HA1 ) goto error;
1734 AddMD5( &md5, psz_username, strlen( psz_username ) );
1735 AddMD5( &md5, ":", 1 );
1736 AddMD5( &md5, p_auth->psz_realm, strlen( p_auth->psz_realm ) );
1737 AddMD5( &md5, ":", 1 );
1738 AddMD5( &md5, psz_password, strlen( psz_password ) );
1741 psz_HA1 = psz_md5_hash( &md5 );
1742 if( !psz_HA1 ) goto error;
1744 if( p_auth->psz_algorithm
1745 && !strcmp( p_auth->psz_algorithm, "MD5-sess" ) )
1748 AddMD5( &md5, psz_HA1, 32 );
1750 AddMD5( &md5, ":", 1 );
1751 AddMD5( &md5, p_auth->psz_nonce, strlen( p_auth->psz_nonce ) );
1752 AddMD5( &md5, ":", 1 );
1753 AddMD5( &md5, p_auth->psz_cnonce, strlen( p_auth->psz_cnonce ) );
1756 psz_HA1 = psz_md5_hash( &md5 );
1757 if( !psz_HA1 ) goto error;
1758 p_auth->psz_HA1 = strdup( psz_HA1 );
1759 if( !p_auth->psz_HA1 ) goto error;
1766 AddMD5( &md5, psz_method, strlen( psz_method ) );
1767 AddMD5( &md5, ":", 1 );
1768 if( p_url->psz_path )
1769 AddMD5( &md5, p_url->psz_path, strlen( p_url->psz_path ) );
1771 AddMD5( &md5, "/", 1 );
1772 if( p_auth->psz_qop && !strcmp( p_auth->psz_qop, "auth-int" ) )
1777 AddMD5( &ent, "", 0 ); /* XXX: entity-body. should be ok for GET */
1779 psz_ent = psz_md5_hash( &ent );
1780 if( !psz_ent ) goto error;
1781 AddMD5( &md5, ":", 1 );
1782 AddMD5( &md5, psz_ent, 32 );
1786 psz_HA2 = psz_md5_hash( &md5 );
1787 if( !psz_HA2 ) goto error;
1789 /* Request digest */
1791 AddMD5( &md5, psz_HA1, 32 );
1792 AddMD5( &md5, ":", 1 );
1793 AddMD5( &md5, p_auth->psz_nonce, strlen( p_auth->psz_nonce ) );
1794 AddMD5( &md5, ":", 1 );
1796 && ( !strcmp( p_auth->psz_qop, "auth" )
1797 || !strcmp( p_auth->psz_qop, "auth-int" ) ) )
1800 snprintf( psz_inonce, 9, "%08x", p_auth->i_nonce );
1801 AddMD5( &md5, psz_inonce, 8 );
1802 AddMD5( &md5, ":", 1 );
1803 AddMD5( &md5, p_auth->psz_cnonce, strlen( p_auth->psz_cnonce ) );
1804 AddMD5( &md5, ":", 1 );
1805 AddMD5( &md5, p_auth->psz_qop, strlen( p_auth->psz_qop ) );
1806 AddMD5( &md5, ":", 1 );
1808 AddMD5( &md5, psz_HA2, 32 );
1810 psz_response = psz_md5_hash( &md5 );
1815 return psz_response;
1819 static void AuthReply( access_t *p_access, const char *psz_prefix,
1820 vlc_url_t *p_url, http_auth_t *p_auth )
1822 access_sys_t *p_sys = p_access->p_sys;
1823 v_socket_t *pvs = p_sys->p_vs;
1825 const char *psz_username = p_url->psz_username ?: "";
1826 const char *psz_password = p_url->psz_password ?: "";
1828 if( p_auth->psz_nonce )
1830 /* Digest Access Authentication */
1833 if( p_auth->psz_algorithm
1834 && strcmp( p_auth->psz_algorithm, "MD5" )
1835 && strcmp( p_auth->psz_algorithm, "MD5-sess" ) )
1837 msg_Err( p_access, "Digest Access Authentication: "
1838 "Unknown algorithm '%s'", p_auth->psz_algorithm );
1842 if( p_auth->psz_qop || !p_auth->psz_cnonce )
1844 /* FIXME: needs to be really random to prevent man in the middle
1846 free( p_auth->psz_cnonce );
1847 p_auth->psz_cnonce = strdup( "Some random string FIXME" );
1851 psz_response = AuthDigest( p_access, p_url, p_auth, "GET" );
1852 if( !psz_response ) return;
1854 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs,
1855 "%sAuthorization: Digest "
1856 /* Mandatory parameters */
1862 /* Optional parameters */
1863 "%s%s%s" /* algorithm */
1864 "%s%s%s" /* cnonce */
1865 "%s%s%s" /* opaque */
1866 "%s%s%s" /* message qop */
1867 "%s%08x%s" /* nonce count */
1869 /* Mandatory parameters */
1874 p_url->psz_path ?: "/",
1876 /* Optional parameters */
1877 p_auth->psz_algorithm ? "algorithm=\"" : "",
1878 p_auth->psz_algorithm ?: "",
1879 p_auth->psz_algorithm ? "\", " : "",
1880 p_auth->psz_cnonce ? "cnonce=\"" : "",
1881 p_auth->psz_cnonce ?: "",
1882 p_auth->psz_cnonce ? "\", " : "",
1883 p_auth->psz_opaque ? "opaque=\"" : "",
1884 p_auth->psz_opaque ?: "",
1885 p_auth->psz_opaque ? "\", " : "",
1886 p_auth->psz_qop ? "qop=\"" : "",
1887 p_auth->psz_qop ?: "",
1888 p_auth->psz_qop ? "\", " : "",
1889 p_auth->i_nonce ? "nc=\"" : "uglyhack=\"", /* Will be parsed as an unhandled extension */
1891 p_auth->i_nonce ? "\"" : "\""
1894 free( psz_response );
1898 /* Basic Access Authentication */
1899 char buf[strlen( psz_username ) + strlen( psz_password ) + 2];
1902 snprintf( buf, sizeof( buf ), "%s:%s", psz_username, psz_password );
1903 b64 = vlc_b64_encode( buf );
1907 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs,
1908 "%sAuthorization: Basic %s\r\n", psz_prefix, b64 );
1914 static int AuthCheckReply( access_t *p_access, const char *psz_header,
1915 vlc_url_t *p_url, http_auth_t *p_auth )
1917 int i_ret = VLC_EGENERIC;
1918 char *psz_nextnonce = AuthGetParam( psz_header, "nextnonce" );
1919 char *psz_qop = AuthGetParamNoQuotes( psz_header, "qop" );
1920 char *psz_rspauth = AuthGetParam( psz_header, "rspauth" );
1921 char *psz_cnonce = AuthGetParam( psz_header, "cnonce" );
1922 char *psz_nc = AuthGetParamNoQuotes( psz_header, "nc" );
1928 if( strcmp( psz_cnonce, p_auth->psz_cnonce ) )
1930 msg_Err( p_access, "HTTP Digest Access Authentication: server replied with a different client nonce value." );
1937 i_nonce = strtol( psz_nc, NULL, 16 );
1938 if( i_nonce != p_auth->i_nonce )
1940 msg_Err( p_access, "HTTP Digest Access Authentication: server replied with a different nonce count value." );
1945 if( psz_qop && p_auth->psz_qop && strcmp( psz_qop, p_auth->psz_qop ) )
1946 msg_Warn( p_access, "HTTP Digest Access Authentication: server replied using a different 'quality of protection' option" );
1948 /* All the clear text values match, let's now check the response
1950 psz_digest = AuthDigest( p_access, p_url, p_auth, "" );
1951 if( strcmp( psz_digest, psz_rspauth ) )
1953 msg_Err( p_access, "HTTP Digest Access Authentication: server replied with an invalid response digest (expected value: %s).", psz_digest );
1962 free( p_auth->psz_nonce );
1963 p_auth->psz_nonce = psz_nextnonce;
1964 psz_nextnonce = NULL;
1967 i_ret = VLC_SUCCESS;
1969 free( psz_nextnonce );
1971 free( psz_rspauth );
1978 static void AuthReset( http_auth_t *p_auth )
1980 FREENULL( p_auth->psz_realm );
1981 FREENULL( p_auth->psz_domain );
1982 FREENULL( p_auth->psz_nonce );
1983 FREENULL( p_auth->psz_opaque );
1984 FREENULL( p_auth->psz_stale );
1985 FREENULL( p_auth->psz_algorithm );
1986 FREENULL( p_auth->psz_qop );
1987 p_auth->i_nonce = 0;
1988 FREENULL( p_auth->psz_cnonce );
1989 FREENULL( p_auth->psz_HA1 );