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.")
98 #define MAX_REDIRECT_TEXT N_("Max number of redirection")
99 #define MAX_REDIRECT_LONGTEXT N_("Limit the number of redirection to follow.")
102 set_description( N_("HTTP input") )
103 set_capability( "access", 0 )
104 set_shortname( N_( "HTTP(S)" ) )
105 set_category( CAT_INPUT )
106 set_subcategory( SUBCAT_INPUT_ACCESS )
108 add_string( "http-proxy", NULL, NULL, PROXY_TEXT, PROXY_LONGTEXT,
110 add_password( "http-proxy-pwd", NULL, NULL,
111 PROXY_PASS_TEXT, PROXY_PASS_LONGTEXT, false )
112 add_integer( "http-caching", 4 * DEFAULT_PTS_DELAY / 1000, NULL,
113 CACHING_TEXT, CACHING_LONGTEXT, true )
115 add_string( "http-user-agent", COPYRIGHT_MESSAGE , NULL, AGENT_TEXT,
116 AGENT_LONGTEXT, true )
117 add_bool( "http-reconnect", 0, NULL, RECONNECT_TEXT,
118 RECONNECT_LONGTEXT, true )
119 add_bool( "http-continuous", 0, NULL, CONTINUOUS_TEXT,
120 CONTINUOUS_LONGTEXT, true )
122 add_bool( "http-forward-cookies", true, NULL, FORWARD_COOKIES_TEXT,
123 FORWARD_COOKIES_LONGTEXT, true )
124 add_integer( "http-max-redirect", 5, NULL, MAX_REDIRECT_TEXT,
125 MAX_REDIRECT_LONGTEXT, true )
126 add_obsolete_string("http-user")
127 add_obsolete_string("http-pwd")
128 add_shortcut( "http" )
129 add_shortcut( "https" )
130 add_shortcut( "unsv" )
131 add_shortcut( "itpc" ) /* iTunes Podcast */
132 add_shortcut( "icyx" )
133 set_callbacks( Open, Close )
136 /*****************************************************************************
138 *****************************************************************************/
140 /* RFC 2617: Basic and Digest Access Authentication */
141 typedef struct http_auth_t
152 char *psz_HA1; /* stored H(A1) value if algorithm = "MD5-sess" */
158 tls_session_t *p_tls;
163 char *psz_user_agent;
169 http_auth_t proxy_auth;
170 char *psz_proxy_passbuf;
174 const char *psz_protocol;
196 int64_t i_icy_offset;
209 vlc_array_t * cookies;
213 static int OpenWithCookies( vlc_object_t *p_this, const char *psz_access,
214 int i_nb_redirect, int i_max_redirect,
215 vlc_array_t *cookies );
218 static ssize_t Read( access_t *, uint8_t *, size_t );
219 static ssize_t ReadCompressed( access_t *, uint8_t *, size_t );
220 static int Seek( access_t *, int64_t );
221 static int Control( access_t *, int, va_list );
224 static int Connect( access_t *, int64_t );
225 static int Request( access_t *p_access, int64_t i_tell );
226 static void Disconnect( access_t * );
228 /* Small Cookie utilities. Cookies support is partial. */
229 static char * cookie_get_content( const char * cookie );
230 static char * cookie_get_domain( const char * cookie );
231 static char * cookie_get_name( const char * cookie );
232 static void cookie_append( vlc_array_t * cookies, char * cookie );
235 static void AuthParseHeader( access_t *p_access, const char *psz_header,
236 http_auth_t *p_auth );
237 static void AuthReply( access_t *p_acces, const char *psz_prefix,
238 vlc_url_t *p_url, http_auth_t *p_auth );
239 static int AuthCheckReply( access_t *p_access, const char *psz_header,
240 vlc_url_t *p_url, http_auth_t *p_auth );
241 static void AuthReset( http_auth_t *p_auth );
243 /*****************************************************************************
245 *****************************************************************************/
246 static int Open( vlc_object_t *p_this )
248 access_t *p_access = (access_t*)p_this;
249 return OpenWithCookies( p_this, p_access->psz_access, 0,
250 var_CreateGetInteger( p_access, "http-max-redirect" ), NULL );
254 * Open the given url using the given cookies
255 * @param p_this: the vlc object
256 * @psz_access: the acces to use (http, https, ...) (this value must be used
257 * instead of p_access->psz_access)
258 * @i_nb_redirect: the number of redirection already done
259 * @i_max_redirect: limit to the number of redirection to follow
260 * @cookies: the available cookies
261 * @return vlc error codes
263 static int OpenWithCookies( vlc_object_t *p_this, const char *psz_access,
264 int i_nb_redirect, int i_max_redirect,
265 vlc_array_t *cookies )
267 access_t *p_access = (access_t*)p_this;
271 /* Only forward an store cookies if the corresponding option is activated */
272 bool b_forward_cookies = var_CreateGetBool( p_access, "http-forward-cookies" );
273 vlc_array_t * saved_cookies = b_forward_cookies ? (cookies ? cookies : vlc_array_new()) : NULL;
275 /* Set up p_access */
276 STANDARD_READ_ACCESS_INIT;
278 p_access->pf_read = ReadCompressed;
281 p_sys->b_proxy = false;
282 p_sys->psz_proxy_passbuf = NULL;
283 p_sys->i_version = 1;
284 p_sys->b_seekable = true;
285 p_sys->psz_mime = NULL;
286 p_sys->psz_pragma = NULL;
287 p_sys->b_mms = false;
288 p_sys->b_icecast = false;
289 p_sys->psz_location = NULL;
290 p_sys->psz_user_agent = NULL;
291 p_sys->b_pace_control = true;
292 p_sys->b_ssl = false;
294 p_sys->b_compressed = false;
295 /* 15 is the max windowBits, +32 to enable optional gzip decoding */
296 if( inflateInit2( &p_sys->inflate.stream, 32+15 ) != Z_OK )
297 msg_Warn( p_access, "Error during zlib initialisation: %s",
298 p_sys->inflate.stream.msg );
299 if( zlibCompileFlags() & (1<<17) )
300 msg_Warn( p_access, "Your zlib was compiled without gzip support." );
301 p_sys->inflate.p_buffer = NULL;
305 p_sys->i_icy_meta = 0;
306 p_sys->i_icy_offset = 0;
307 p_sys->psz_icy_name = NULL;
308 p_sys->psz_icy_genre = NULL;
309 p_sys->psz_icy_title = NULL;
310 p_sys->i_remaining = 0;
311 p_sys->b_persist = false;
312 p_access->info.i_size = -1;
313 p_access->info.i_pos = 0;
314 p_access->info.b_eof = false;
316 p_sys->cookies = saved_cookies;
318 /* Parse URI - remove spaces */
319 p = psz = strdup( p_access->psz_path );
320 while( (p = strchr( p, ' ' )) != NULL )
322 vlc_UrlParse( &p_sys->url, psz, 0 );
325 if( p_sys->url.psz_host == NULL || *p_sys->url.psz_host == '\0' )
327 msg_Warn( p_access, "invalid host" );
330 if( !strncmp( psz_access, "https", 5 ) )
334 if( p_sys->url.i_port <= 0 )
335 p_sys->url.i_port = 443;
339 if( p_sys->url.i_port <= 0 )
340 p_sys->url.i_port = 80;
344 p_sys->psz_user_agent = var_CreateGetString( p_access, "http-user-agent" );
347 psz = var_CreateGetNonEmptyString( p_access, "http-proxy" );
350 p_sys->b_proxy = true;
351 vlc_UrlParse( &p_sys->proxy, psz, 0 );
357 pxProxyFactory *pf = px_proxy_factory_new();
362 i=asprintf(&buf, "%s://%s", psz_access, p_access->psz_path);
365 msg_Dbg(p_access, "asking libproxy about url '%s'", buf);
366 char **proxies = px_proxy_factory_get_proxies(pf, buf);
369 msg_Dbg(p_access, "libproxy suggest to use '%s'", proxies[0]);
370 if(strcmp(proxies[0],"direct://") != 0)
372 p_sys->b_proxy = true;
373 vlc_UrlParse( &p_sys->proxy, proxies[0], 0);
376 for(i=0;proxies[i];i++) free(proxies[i]);
380 px_proxy_factory_free(pf);
384 msg_Err(p_access, "Allocating memory for libproxy failed");
390 psz = getenv( "http_proxy" );
393 p_sys->b_proxy = true;
394 vlc_UrlParse( &p_sys->proxy, psz, 0 );
398 if( psz ) /* No, this is NOT a use-after-free error */
400 psz = var_CreateGetNonEmptyString( p_access, "http-proxy-pwd" );
402 p_sys->proxy.psz_password = p_sys->psz_proxy_passbuf = psz;
407 if( p_sys->proxy.psz_host == NULL || *p_sys->proxy.psz_host == '\0' )
409 msg_Warn( p_access, "invalid proxy host" );
412 if( p_sys->proxy.i_port <= 0 )
414 p_sys->proxy.i_port = 80;
418 msg_Dbg( p_access, "http: server='%s' port=%d file='%s",
419 p_sys->url.psz_host, p_sys->url.i_port, p_sys->url.psz_path );
422 msg_Dbg( p_access, " proxy %s:%d", p_sys->proxy.psz_host,
423 p_sys->proxy.i_port );
425 if( p_sys->url.psz_username && *p_sys->url.psz_username )
427 msg_Dbg( p_access, " user='%s'", p_sys->url.psz_username );
430 p_sys->b_reconnect = var_CreateGetBool( p_access, "http-reconnect" );
431 p_sys->b_continuous = var_CreateGetBool( p_access, "http-continuous" );
435 switch( Connect( p_access, 0 ) )
441 /* Retry with http 1.0 */
442 msg_Dbg( p_access, "switching to HTTP version 1.0" );
443 p_sys->i_version = 0;
444 p_sys->b_seekable = false;
446 if( !vlc_object_alive (p_access) || Connect( p_access, 0 ) )
454 msg_Err( p_access, "You should not be here" );
459 if( p_sys->i_code == 401 )
461 char *psz_login, *psz_password;
463 if( p_sys->url.psz_username && p_sys->url.psz_password &&
464 p_sys->auth.psz_nonce && p_sys->auth.i_nonce == 0 )
466 Disconnect( p_access );
469 msg_Dbg( p_access, "authentication failed for realm %s",
470 p_sys->auth.psz_realm );
471 dialog_Login( p_access, &psz_login, &psz_password,
472 _("HTTP authentication"),
473 _("Please enter a valid login name and a password for realm %s."),
474 p_sys->auth.psz_realm );
475 if( psz_login != NULL && psz_password != NULL )
477 msg_Dbg( p_access, "retrying with user=%s", psz_login );
478 p_sys->url.psz_username = psz_login;
479 p_sys->url.psz_password = psz_password;
480 Disconnect( p_access );
486 free( psz_password );
491 if( ( p_sys->i_code == 301 || p_sys->i_code == 302 ||
492 p_sys->i_code == 303 || p_sys->i_code == 307 ) &&
493 p_sys->psz_location && *p_sys->psz_location )
495 msg_Dbg( p_access, "redirection to %s", p_sys->psz_location );
497 /* Check the number of redirection already done */
498 if( i_nb_redirect >= i_max_redirect )
500 msg_Err( p_access, "Too many redirection: break potential infinite"
506 /* Do not accept redirection outside of HTTP works */
507 const char *psz_protocol;
508 if( !strncmp( p_sys->psz_location, "http:", 5 ) )
509 psz_protocol = "http";
510 else if( !strncmp( p_sys->psz_location, "https:", 6 ) )
511 psz_protocol = "https";
514 msg_Err( p_access, "insecure redirection ignored" );
517 free( p_access->psz_path );
518 p_access->psz_path = strdup( p_sys->psz_location );
519 /* Clean up current Open() run */
520 vlc_UrlClean( &p_sys->url );
521 AuthReset( &p_sys->auth );
522 vlc_UrlClean( &p_sys->proxy );
523 free( p_sys->psz_proxy_passbuf );
524 AuthReset( &p_sys->proxy_auth );
525 free( p_sys->psz_mime );
526 free( p_sys->psz_pragma );
527 free( p_sys->psz_location );
528 free( p_sys->psz_user_agent );
530 Disconnect( p_access );
531 cookies = p_sys->cookies;
533 inflateEnd( &p_sys->inflate.stream );
537 /* Do new Open() run with new data */
538 return OpenWithCookies( p_this, psz_protocol, i_nb_redirect + 1,
539 i_max_redirect, cookies );
544 msg_Dbg( p_access, "this is actually a live mms server, BAIL" );
548 if( !strcmp( p_sys->psz_protocol, "ICY" ) || p_sys->b_icecast )
550 if( p_sys->psz_mime && strcasecmp( p_sys->psz_mime, "application/ogg" ) )
552 if( !strcasecmp( p_sys->psz_mime, "video/nsv" ) ||
553 !strcasecmp( p_sys->psz_mime, "video/nsa" ) )
555 free( p_access->psz_demux );
556 p_access->psz_demux = strdup( "nsv" );
558 else if( !strcasecmp( p_sys->psz_mime, "audio/aac" ) ||
559 !strcasecmp( p_sys->psz_mime, "audio/aacp" ) )
561 free( p_access->psz_demux );
562 p_access->psz_demux = strdup( "m4a" );
564 else if( !strcasecmp( p_sys->psz_mime, "audio/mpeg" ) )
566 free( p_access->psz_demux );
567 p_access->psz_demux = strdup( "mp3" );
570 msg_Info( p_access, "Raw-audio server found, %s demuxer selected",
571 p_access->psz_demux );
573 #if 0 /* Doesn't work really well because of the pre-buffering in
574 * shoutcast servers (the buffer content will be sent as fast as
576 p_sys->b_pace_control = false;
579 else if( !p_sys->psz_mime )
581 free( p_access->psz_demux );
583 p_access->psz_demux = strdup( "mp3" );
585 /* else probably Ogg Vorbis */
587 else if( !strcasecmp( psz_access, "unsv" ) &&
589 !strcasecmp( p_sys->psz_mime, "misc/ultravox" ) )
591 free( p_access->psz_demux );
592 /* Grrrr! detect ultravox server and force NSV demuxer */
593 p_access->psz_demux = strdup( "nsv" );
595 else if( !strcmp( psz_access, "itpc" ) )
597 free( p_access->psz_demux );
598 p_access->psz_demux = strdup( "podcast" );
600 else if( p_sys->psz_mime &&
601 !strncasecmp( p_sys->psz_mime, "application/xspf+xml", 20 ) &&
602 ( memchr( " ;\t", p_sys->psz_mime[20], 4 ) != NULL ) )
604 free( p_access->psz_demux );
605 p_access->psz_demux = strdup( "xspf-open" );
608 if( p_sys->b_reconnect ) msg_Dbg( p_access, "auto re-connect enabled" );
611 var_Create( p_access, "http-caching", VLC_VAR_INTEGER |VLC_VAR_DOINHERIT );
616 vlc_UrlClean( &p_sys->url );
617 vlc_UrlClean( &p_sys->proxy );
618 free( p_sys->psz_proxy_passbuf );
619 free( p_sys->psz_mime );
620 free( p_sys->psz_pragma );
621 free( p_sys->psz_location );
622 free( p_sys->psz_user_agent );
624 Disconnect( p_access );
629 for( i = 0; i < vlc_array_count( p_sys->cookies ); i++ )
630 free(vlc_array_item_at_index( p_sys->cookies, i ));
631 vlc_array_destroy( p_sys->cookies );
635 inflateEnd( &p_sys->inflate.stream );
641 /*****************************************************************************
643 *****************************************************************************/
644 static void Close( vlc_object_t *p_this )
646 access_t *p_access = (access_t*)p_this;
647 access_sys_t *p_sys = p_access->p_sys;
649 vlc_UrlClean( &p_sys->url );
650 AuthReset( &p_sys->auth );
651 vlc_UrlClean( &p_sys->proxy );
652 AuthReset( &p_sys->proxy_auth );
654 free( p_sys->psz_mime );
655 free( p_sys->psz_pragma );
656 free( p_sys->psz_location );
658 free( p_sys->psz_icy_name );
659 free( p_sys->psz_icy_genre );
660 free( p_sys->psz_icy_title );
662 free( p_sys->psz_user_agent );
664 Disconnect( p_access );
669 for( i = 0; i < vlc_array_count( p_sys->cookies ); i++ )
670 free(vlc_array_item_at_index( p_sys->cookies, i ));
671 vlc_array_destroy( p_sys->cookies );
675 inflateEnd( &p_sys->inflate.stream );
676 free( p_sys->inflate.p_buffer );
682 /*****************************************************************************
683 * Read: Read up to i_len bytes from the http connection and place in
684 * p_buffer. Return the actual number of bytes read
685 *****************************************************************************/
686 static int ReadICYMeta( access_t *p_access );
687 static ssize_t Read( access_t *p_access, uint8_t *p_buffer, size_t i_len )
689 access_sys_t *p_sys = p_access->p_sys;
692 if( p_sys->fd == -1 )
694 p_access->info.b_eof = true;
698 if( p_access->info.i_size >= 0 &&
699 i_len + p_access->info.i_pos > p_access->info.i_size )
701 if( ( i_len = p_access->info.i_size - p_access->info.i_pos ) == 0 )
703 p_access->info.b_eof = true;
708 if( p_sys->b_chunked )
710 if( p_sys->i_chunk < 0 )
712 p_access->info.b_eof = true;
716 if( p_sys->i_chunk <= 0 )
718 char *psz = net_Gets( p_access, p_sys->fd, p_sys->p_vs );
719 /* read the chunk header */
722 /* fatal error - end of file */
723 msg_Dbg( p_access, "failed reading chunk-header line" );
726 p_sys->i_chunk = strtoll( psz, NULL, 16 );
729 if( p_sys->i_chunk <= 0 ) /* eof */
732 p_access->info.b_eof = true;
737 if( i_len > p_sys->i_chunk )
739 i_len = p_sys->i_chunk;
742 else if( p_access->info.i_size != -1 && (int64_t)i_len > p_sys->i_remaining) {
743 /* Only ask for the remaining length */
744 i_len = (size_t)p_sys->i_remaining;
746 p_access->info.b_eof = true;
752 if( p_sys->i_icy_meta > 0 && p_access->info.i_pos-p_sys->i_icy_offset > 0 )
754 int64_t i_next = p_sys->i_icy_meta -
755 (p_access->info.i_pos - p_sys->i_icy_offset ) % p_sys->i_icy_meta;
757 if( i_next == p_sys->i_icy_meta )
759 if( ReadICYMeta( p_access ) )
761 p_access->info.b_eof = true;
769 i_read = net_Read( p_access, p_sys->fd, p_sys->p_vs, p_buffer, i_len, false );
773 p_access->info.i_pos += i_read;
775 if( p_sys->b_chunked )
777 p_sys->i_chunk -= i_read;
778 if( p_sys->i_chunk <= 0 )
780 /* read the empty line */
781 char *psz = net_Gets( p_access, p_sys->fd, p_sys->p_vs );
786 else if( i_read <= 0 )
789 * I very much doubt that this will work.
790 * If i_read == 0, the connection *IS* dead, so the only
791 * sensible thing to do is Disconnect() and then retry.
792 * Otherwise, I got recv() completely wrong. -- Courmisch
794 if( p_sys->b_continuous )
796 Request( p_access, 0 );
797 p_sys->b_continuous = false;
798 i_read = Read( p_access, p_buffer, i_len );
799 p_sys->b_continuous = true;
801 Disconnect( p_access );
802 if( p_sys->b_reconnect )
804 msg_Dbg( p_access, "got disconnected, trying to reconnect" );
805 if( Connect( p_access, p_access->info.i_pos ) )
807 msg_Dbg( p_access, "reconnection failed" );
811 p_sys->b_reconnect = false;
812 i_read = Read( p_access, p_buffer, i_len );
813 p_sys->b_reconnect = true;
818 p_access->info.b_eof = true;
819 else if( i_read < 0 )
820 p_access->b_error = true;
823 if( p_access->info.i_size != -1 )
825 p_sys->i_remaining -= i_read;
831 static int ReadICYMeta( access_t *p_access )
833 access_sys_t *p_sys = p_access->p_sys;
839 /* Read meta data length */
840 i_read = net_Read( p_access, p_sys->fd, p_sys->p_vs, &buffer, 1,
847 i_read = buffer << 4;
848 /* msg_Dbg( p_access, "ICY meta size=%u", i_read); */
850 psz_meta = malloc( i_read + 1 );
851 if( net_Read( p_access, p_sys->fd, p_sys->p_vs,
852 (uint8_t *)psz_meta, i_read, true ) != i_read )
858 psz_meta[i_read] = '\0'; /* Just in case */
860 /* msg_Dbg( p_access, "icy-meta=%s", psz_meta ); */
862 /* Now parse the meta */
863 /* Look for StreamTitle= */
864 p = strcasestr( (char *)psz_meta, "StreamTitle=" );
867 p += strlen( "StreamTitle=" );
868 if( *p == '\'' || *p == '"' )
870 char closing[] = { p[0], ';', '\0' };
871 char *psz = strstr( &p[1], closing );
873 psz = strchr( &p[1], ';' );
875 if( psz ) *psz = '\0';
879 char *psz = strchr( &p[1], ';' );
880 if( psz ) *psz = '\0';
883 if( !p_sys->psz_icy_title ||
884 strcmp( p_sys->psz_icy_title, &p[1] ) )
886 free( p_sys->psz_icy_title );
887 char *psz_tmp = strdup( &p[1] );
888 p_sys->psz_icy_title = EnsureUTF8( psz_tmp );
889 if( !p_sys->psz_icy_title )
891 p_access->info.i_update |= INPUT_UPDATE_META;
893 msg_Dbg( p_access, "New Title=%s", p_sys->psz_icy_title );
902 static ssize_t ReadCompressed( access_t *p_access, uint8_t *p_buffer,
905 access_sys_t *p_sys = p_access->p_sys;
907 if( p_sys->b_compressed )
911 if( !p_sys->inflate.p_buffer )
912 p_sys->inflate.p_buffer = malloc( 256 * 1024 );
914 if( p_sys->inflate.stream.avail_in == 0 )
916 ssize_t i_read = Read( p_access, p_sys->inflate.p_buffer + p_sys->inflate.stream.avail_in, 256 * 1024 );
917 if( i_read <= 0 ) return i_read;
918 p_sys->inflate.stream.next_in = p_sys->inflate.p_buffer;
919 p_sys->inflate.stream.avail_in = i_read;
922 p_sys->inflate.stream.avail_out = i_len;
923 p_sys->inflate.stream.next_out = p_buffer;
925 i_ret = inflate( &p_sys->inflate.stream, Z_SYNC_FLUSH );
926 msg_Warn( p_access, "inflate return value: %d, %s", i_ret, p_sys->inflate.stream.msg );
928 return i_len - p_sys->inflate.stream.avail_out;
932 return Read( p_access, p_buffer, i_len );
937 /*****************************************************************************
938 * Seek: close and re-open a connection at the right place
939 *****************************************************************************/
940 static int Seek( access_t *p_access, int64_t i_pos )
942 msg_Dbg( p_access, "trying to seek to %"PRId64, i_pos );
944 Disconnect( p_access );
946 if( p_access->info.i_size
947 && (uint64_t)i_pos >= (uint64_t)p_access->info.i_size ) {
948 msg_Err( p_access, "seek to far" );
949 int retval = Seek( p_access, p_access->info.i_size - 1 );
950 if( retval == VLC_SUCCESS ) {
952 Read( p_access, p_buffer, 1);
953 p_access->info.b_eof = false;
957 if( Connect( p_access, i_pos ) )
959 msg_Err( p_access, "seek failed" );
960 p_access->info.b_eof = true;
966 /*****************************************************************************
968 *****************************************************************************/
969 static int Control( access_t *p_access, int i_query, va_list args )
971 access_sys_t *p_sys = p_access->p_sys;
979 case ACCESS_CAN_SEEK:
980 pb_bool = (bool*)va_arg( args, bool* );
981 *pb_bool = p_sys->b_seekable;
983 case ACCESS_CAN_FASTSEEK:
984 pb_bool = (bool*)va_arg( args, bool* );
987 case ACCESS_CAN_PAUSE:
988 case ACCESS_CAN_CONTROL_PACE:
989 pb_bool = (bool*)va_arg( args, bool* );
991 #if 0 /* Disable for now until we have a clock synchro algo
992 * which works with something else than MPEG over UDP */
993 *pb_bool = p_sys->b_pace_control;
999 case ACCESS_GET_PTS_DELAY:
1000 pi_64 = (int64_t*)va_arg( args, int64_t * );
1001 *pi_64 = (int64_t)var_GetInteger( p_access, "http-caching" ) * 1000;
1005 case ACCESS_SET_PAUSE_STATE:
1008 case ACCESS_GET_META:
1009 p_meta = (vlc_meta_t*)va_arg( args, vlc_meta_t* );
1011 if( p_sys->psz_icy_name )
1012 vlc_meta_Set( p_meta, vlc_meta_Title, p_sys->psz_icy_name );
1013 if( p_sys->psz_icy_genre )
1014 vlc_meta_Set( p_meta, vlc_meta_Genre, p_sys->psz_icy_genre );
1015 if( p_sys->psz_icy_title )
1016 vlc_meta_Set( p_meta, vlc_meta_NowPlaying, p_sys->psz_icy_title );
1019 case ACCESS_GET_CONTENT_TYPE:
1020 *va_arg( args, char ** ) =
1021 p_sys->psz_mime ? strdup( p_sys->psz_mime ) : NULL;
1024 case ACCESS_GET_TITLE_INFO:
1025 case ACCESS_SET_TITLE:
1026 case ACCESS_SET_SEEKPOINT:
1027 case ACCESS_SET_PRIVATE_ID_STATE:
1028 return VLC_EGENERIC;
1031 msg_Warn( p_access, "unimplemented query in control" );
1032 return VLC_EGENERIC;
1038 /*****************************************************************************
1040 *****************************************************************************/
1041 static int Connect( access_t *p_access, int64_t i_tell )
1043 access_sys_t *p_sys = p_access->p_sys;
1044 vlc_url_t srv = p_sys->b_proxy ? p_sys->proxy : p_sys->url;
1047 free( p_sys->psz_location );
1048 free( p_sys->psz_mime );
1049 free( p_sys->psz_pragma );
1051 free( p_sys->psz_icy_genre );
1052 free( p_sys->psz_icy_name );
1053 free( p_sys->psz_icy_title );
1056 p_sys->psz_location = NULL;
1057 p_sys->psz_mime = NULL;
1058 p_sys->psz_pragma = NULL;
1059 p_sys->b_mms = false;
1060 p_sys->b_chunked = false;
1062 p_sys->i_icy_meta = 0;
1063 p_sys->i_icy_offset = i_tell;
1064 p_sys->psz_icy_name = NULL;
1065 p_sys->psz_icy_genre = NULL;
1066 p_sys->psz_icy_title = NULL;
1067 p_sys->i_remaining = 0;
1068 p_sys->b_persist = false;
1070 p_access->info.i_size = -1;
1071 p_access->info.i_pos = i_tell;
1072 p_access->info.b_eof = false;
1074 /* Open connection */
1075 assert( p_sys->fd == -1 ); /* No open sockets (leaking fds is BAD) */
1076 p_sys->fd = net_ConnectTCP( p_access, srv.psz_host, srv.i_port );
1077 if( p_sys->fd == -1 )
1079 msg_Err( p_access, "cannot connect to %s:%d", srv.psz_host, srv.i_port );
1082 setsockopt (p_sys->fd, SOL_SOCKET, SO_KEEPALIVE, &(int){ 1 }, sizeof (int));
1084 /* Initialize TLS/SSL session */
1085 if( p_sys->b_ssl == true )
1087 /* CONNECT to establish TLS tunnel through HTTP proxy */
1088 if( p_sys->b_proxy )
1091 unsigned i_status = 0;
1093 if( p_sys->i_version == 0 )
1095 /* CONNECT is not in HTTP/1.0 */
1096 Disconnect( p_access );
1100 net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL,
1101 "CONNECT %s:%d HTTP/1.%d\r\nHost: %s:%d\r\n\r\n",
1102 p_sys->url.psz_host, p_sys->url.i_port,
1104 p_sys->url.psz_host, p_sys->url.i_port);
1106 psz = net_Gets( p_access, p_sys->fd, NULL );
1109 msg_Err( p_access, "cannot establish HTTP/TLS tunnel" );
1110 Disconnect( p_access );
1114 sscanf( psz, "HTTP/%*u.%*u %3u", &i_status );
1117 if( ( i_status / 100 ) != 2 )
1119 msg_Err( p_access, "HTTP/TLS tunnel through proxy denied" );
1120 Disconnect( p_access );
1126 psz = net_Gets( p_access, p_sys->fd, NULL );
1129 msg_Err( p_access, "HTTP proxy connection failed" );
1130 Disconnect( p_access );
1139 if( !vlc_object_alive (p_access) || p_access->b_error )
1141 Disconnect( p_access );
1148 /* TLS/SSL handshake */
1149 p_sys->p_tls = tls_ClientCreate( VLC_OBJECT(p_access), p_sys->fd,
1150 p_sys->url.psz_host );
1151 if( p_sys->p_tls == NULL )
1153 msg_Err( p_access, "cannot establish HTTP/TLS session" );
1154 Disconnect( p_access );
1157 p_sys->p_vs = &p_sys->p_tls->sock;
1160 return Request( p_access, i_tell ) ? -2 : 0;
1164 static int Request( access_t *p_access, int64_t i_tell )
1166 access_sys_t *p_sys = p_access->p_sys;
1168 v_socket_t *pvs = p_sys->p_vs;
1169 p_sys->b_persist = false;
1171 p_sys->i_remaining = 0;
1172 if( p_sys->b_proxy )
1174 if( p_sys->url.psz_path )
1176 net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL,
1177 "GET http://%s:%d%s HTTP/1.%d\r\n",
1178 p_sys->url.psz_host, p_sys->url.i_port,
1179 p_sys->url.psz_path, p_sys->i_version );
1183 net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL,
1184 "GET http://%s:%d/ HTTP/1.%d\r\n",
1185 p_sys->url.psz_host, p_sys->url.i_port,
1191 const char *psz_path = p_sys->url.psz_path;
1192 if( !psz_path || !*psz_path )
1196 if( p_sys->url.i_port != (pvs ? 443 : 80) )
1198 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs,
1199 "GET %s HTTP/1.%d\r\nHost: %s:%d\r\n",
1200 psz_path, p_sys->i_version, p_sys->url.psz_host,
1201 p_sys->url.i_port );
1205 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs,
1206 "GET %s HTTP/1.%d\r\nHost: %s\r\n",
1207 psz_path, p_sys->i_version, p_sys->url.psz_host );
1211 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs, "User-Agent: %s\r\n",
1212 p_sys->psz_user_agent );
1214 if( p_sys->i_version == 1 && ! p_sys->b_continuous )
1216 p_sys->b_persist = true;
1217 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs,
1218 "Range: bytes=%"PRIu64"-\r\n", i_tell );
1222 if( p_sys->cookies )
1225 for( i = 0; i < vlc_array_count( p_sys->cookies ); i++ )
1227 const char * cookie = vlc_array_item_at_index( p_sys->cookies, i );
1228 char * psz_cookie_content = cookie_get_content( cookie );
1229 char * psz_cookie_domain = cookie_get_domain( cookie );
1231 assert( psz_cookie_content );
1233 /* FIXME: This is clearly not conforming to the rfc */
1234 bool is_in_right_domain = (!psz_cookie_domain || strstr( p_sys->url.psz_host, psz_cookie_domain ));
1236 if( is_in_right_domain )
1238 msg_Dbg( p_access, "Sending Cookie %s", psz_cookie_content );
1239 if( net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs, "Cookie: %s\r\n", psz_cookie_content ) < 0 )
1240 msg_Err( p_access, "failed to send Cookie" );
1242 free( psz_cookie_content );
1243 free( psz_cookie_domain );
1247 /* Authentication */
1248 if( p_sys->url.psz_username || p_sys->url.psz_password )
1249 AuthReply( p_access, "", &p_sys->url, &p_sys->auth );
1251 /* Proxy Authentication */
1252 if( p_sys->proxy.psz_username || p_sys->proxy.psz_password )
1253 AuthReply( p_access, "Proxy-", &p_sys->proxy, &p_sys->proxy_auth );
1255 /* ICY meta data request */
1256 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs, "Icy-MetaData: 1\r\n" );
1259 if( net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs, "\r\n" ) < 0 )
1261 msg_Err( p_access, "failed to send request" );
1262 Disconnect( p_access );
1263 return VLC_EGENERIC;
1267 if( ( psz = net_Gets( p_access, p_sys->fd, pvs ) ) == NULL )
1269 msg_Err( p_access, "failed to read answer" );
1272 if( !strncmp( psz, "HTTP/1.", 7 ) )
1274 p_sys->psz_protocol = "HTTP";
1275 p_sys->i_code = atoi( &psz[9] );
1277 else if( !strncmp( psz, "ICY", 3 ) )
1279 p_sys->psz_protocol = "ICY";
1280 p_sys->i_code = atoi( &psz[4] );
1281 p_sys->b_reconnect = true;
1285 msg_Err( p_access, "invalid HTTP reply '%s'", psz );
1289 msg_Dbg( p_access, "protocol '%s' answer code %d",
1290 p_sys->psz_protocol, p_sys->i_code );
1291 if( !strcmp( p_sys->psz_protocol, "ICY" ) )
1293 p_sys->b_seekable = false;
1295 if( p_sys->i_code != 206 && p_sys->i_code != 401 )
1297 p_sys->b_seekable = false;
1299 /* Authentication error - We'll have to display the dialog */
1300 if( p_sys->i_code == 401 )
1304 /* Other fatal error */
1305 else if( p_sys->i_code >= 400 )
1307 msg_Err( p_access, "error: %s", psz );
1315 char *psz = net_Gets( p_access, p_sys->fd, pvs );
1320 msg_Err( p_access, "failed to read answer" );
1324 if( !vlc_object_alive (p_access) || p_access->b_error )
1330 /* msg_Dbg( p_input, "Line=%s", psz ); */
1337 if( ( p = strchr( psz, ':' ) ) == NULL )
1339 msg_Err( p_access, "malformed header line: %s", psz );
1344 while( *p == ' ' ) p++;
1346 if( !strcasecmp( psz, "Content-Length" ) )
1348 int64_t i_size = i_tell + (p_sys->i_remaining = atoll( p ));
1349 if(i_size > p_access->info.i_size) {
1350 p_access->info.i_size = i_size;
1352 msg_Dbg( p_access, "this frame size=%"PRId64, p_sys->i_remaining );
1354 else if( !strcasecmp( psz, "Content-Range" ) ) {
1355 int64_t i_ntell = i_tell;
1356 int64_t i_nend = (p_access->info.i_size > 0)?(p_access->info.i_size - 1):i_tell;
1357 int64_t i_nsize = p_access->info.i_size;
1358 sscanf(p,"bytes %"PRId64"-%"PRId64"/%"PRId64,&i_ntell,&i_nend,&i_nsize);
1359 if(i_nend > i_ntell ) {
1360 p_access->info.i_pos = i_ntell;
1361 p_sys->i_remaining = i_nend+1-i_ntell;
1362 int64_t i_size = (i_nsize > i_nend) ? i_nsize : (i_nend + 1);
1363 if(i_size > p_access->info.i_size) {
1364 p_access->info.i_size = i_size;
1366 msg_Dbg( p_access, "stream size=%"PRId64",pos=%"PRId64",remaining=%"PRId64,i_nsize,i_ntell,p_sys->i_remaining);
1369 else if( !strcasecmp( psz, "Connection" ) ) {
1370 msg_Dbg( p_access, "Connection: %s",p );
1372 sscanf(p, "close%n",&i);
1374 p_sys->b_persist = false;
1377 else if( !strcasecmp( psz, "Location" ) )
1381 /* This does not follow RFC 2068, but yet if the url is not absolute,
1382 * handle it as everyone does. */
1385 const char *psz_http_ext = p_sys->b_ssl ? "s" : "" ;
1387 if( p_sys->url.i_port == ( p_sys->b_ssl ? 443 : 80 ) )
1389 if( asprintf(&psz_new_loc, "http%s://%s%s", psz_http_ext,
1390 p_sys->url.psz_host, p) < 0 )
1395 if( asprintf(&psz_new_loc, "http%s://%s:%d%s", psz_http_ext,
1396 p_sys->url.psz_host, p_sys->url.i_port, p) < 0 )
1402 psz_new_loc = strdup( p );
1405 free( p_sys->psz_location );
1406 p_sys->psz_location = psz_new_loc;
1408 else if( !strcasecmp( psz, "Content-Type" ) )
1410 free( p_sys->psz_mime );
1411 p_sys->psz_mime = strdup( p );
1412 msg_Dbg( p_access, "Content-Type: %s", p_sys->psz_mime );
1414 else if( !strcasecmp( psz, "Content-Encoding" ) )
1416 msg_Dbg( p_access, "Content-Encoding: %s", p );
1417 if( strcasecmp( p, "identity" ) )
1419 p_sys->b_compressed = true;
1421 msg_Warn( p_access, "Compressed content not supported. Rebuild with zlib support." );
1424 else if( !strcasecmp( psz, "Pragma" ) )
1426 if( !strcasecmp( psz, "Pragma: features" ) )
1427 p_sys->b_mms = true;
1428 free( p_sys->psz_pragma );
1429 p_sys->psz_pragma = strdup( p );
1430 msg_Dbg( p_access, "Pragma: %s", p_sys->psz_pragma );
1432 else if( !strcasecmp( psz, "Server" ) )
1434 msg_Dbg( p_access, "Server: %s", p );
1435 if( !strncasecmp( p, "Icecast", 7 ) ||
1436 !strncasecmp( p, "Nanocaster", 10 ) )
1438 /* Remember if this is Icecast
1439 * we need to force demux in this case without breaking
1442 /* Let live 365 streams (nanocaster) piggyback on the icecast
1443 * routine. They look very similar */
1445 p_sys->b_reconnect = true;
1446 p_sys->b_pace_control = false;
1447 p_sys->b_icecast = true;
1450 else if( !strcasecmp( psz, "Transfer-Encoding" ) )
1452 msg_Dbg( p_access, "Transfer-Encoding: %s", p );
1453 if( !strncasecmp( p, "chunked", 7 ) )
1455 p_sys->b_chunked = true;
1458 else if( !strcasecmp( psz, "Icy-MetaInt" ) )
1460 msg_Dbg( p_access, "Icy-MetaInt: %s", p );
1461 p_sys->i_icy_meta = atoi( p );
1462 if( p_sys->i_icy_meta < 0 )
1463 p_sys->i_icy_meta = 0;
1464 if( p_sys->i_icy_meta > 0 )
1465 p_sys->b_icecast = true;
1467 msg_Warn( p_access, "ICY metaint=%d", p_sys->i_icy_meta );
1469 else if( !strcasecmp( psz, "Icy-Name" ) )
1471 free( p_sys->psz_icy_name );
1472 char *psz_tmp = strdup( p );
1473 p_sys->psz_icy_name = EnsureUTF8( psz_tmp );
1474 if( !p_sys->psz_icy_name )
1476 msg_Dbg( p_access, "Icy-Name: %s", p_sys->psz_icy_name );
1478 p_sys->b_icecast = true; /* be on the safeside. set it here as well. */
1479 p_sys->b_reconnect = true;
1480 p_sys->b_pace_control = false;
1482 else if( !strcasecmp( psz, "Icy-Genre" ) )
1484 free( p_sys->psz_icy_genre );
1485 char *psz_tmp = strdup( p );
1486 p_sys->psz_icy_genre = EnsureUTF8( psz_tmp );
1487 if( !p_sys->psz_icy_genre )
1489 msg_Dbg( p_access, "Icy-Genre: %s", p_sys->psz_icy_genre );
1491 else if( !strncasecmp( psz, "Icy-Notice", 10 ) )
1493 msg_Dbg( p_access, "Icy-Notice: %s", p );
1495 else if( !strncasecmp( psz, "icy-", 4 ) ||
1496 !strncasecmp( psz, "ice-", 4 ) ||
1497 !strncasecmp( psz, "x-audiocast", 11 ) )
1499 msg_Dbg( p_access, "Meta-Info: %s: %s", psz, p );
1501 else if( !strcasecmp( psz, "Set-Cookie" ) )
1503 if( p_sys->cookies )
1505 msg_Dbg( p_access, "Accepting Cookie: %s", p );
1506 cookie_append( p_sys->cookies, strdup(p) );
1509 msg_Dbg( p_access, "We have a Cookie we won't remember: %s", p );
1511 else if( !strcasecmp( psz, "www-authenticate" ) )
1513 msg_Dbg( p_access, "Authentication header: %s", p );
1514 AuthParseHeader( p_access, p, &p_sys->auth );
1516 else if( !strcasecmp( psz, "proxy-authenticate" ) )
1518 msg_Dbg( p_access, "Proxy authentication header: %s", p );
1519 AuthParseHeader( p_access, p, &p_sys->proxy_auth );
1521 else if( !strcasecmp( psz, "authentication-info" ) )
1523 msg_Dbg( p_access, "Authentication Info header: %s", p );
1524 if( AuthCheckReply( p_access, p, &p_sys->url, &p_sys->auth ) )
1527 else if( !strcasecmp( psz, "proxy-authentication-info" ) )
1529 msg_Dbg( p_access, "Proxy Authentication Info header: %s", p );
1530 if( AuthCheckReply( p_access, p, &p_sys->proxy, &p_sys->proxy_auth ) )
1536 /* We close the stream for zero length data, unless of course the
1537 * server has already promised to do this for us.
1539 if( p_access->info.i_size != -1 && p_sys->i_remaining == 0 && p_sys->b_persist ) {
1540 Disconnect( p_access );
1545 Disconnect( p_access );
1546 return VLC_EGENERIC;
1549 /*****************************************************************************
1551 *****************************************************************************/
1552 static void Disconnect( access_t *p_access )
1554 access_sys_t *p_sys = p_access->p_sys;
1556 if( p_sys->p_tls != NULL)
1558 tls_ClientDelete( p_sys->p_tls );
1559 p_sys->p_tls = NULL;
1562 if( p_sys->fd != -1)
1564 net_Close(p_sys->fd);
1570 /*****************************************************************************
1571 * Cookies (FIXME: we may want to rewrite that using a nice structure to hold
1572 * them) (FIXME: only support the "domain=" param)
1573 *****************************************************************************/
1575 /* Get the NAME=VALUE part of the Cookie */
1576 static char * cookie_get_content( const char * cookie )
1578 char * ret = strdup( cookie );
1579 if( !ret ) return NULL;
1581 /* Look for a ';' */
1582 while( *str && *str != ';' ) str++;
1583 /* Replace it by a end-char */
1584 if( *str == ';' ) *str = 0;
1588 /* Get the domain where the cookie is stored */
1589 static char * cookie_get_domain( const char * cookie )
1591 const char * str = cookie;
1592 static const char domain[] = "domain=";
1595 /* Look for a ';' */
1598 if( !strncmp( str, domain, sizeof(domain) - 1 /* minus \0 */ ) )
1600 str += sizeof(domain) - 1 /* minus \0 */;
1601 char * ret = strdup( str );
1602 /* Now remove the next ';' if present */
1603 char * ret_iter = ret;
1604 while( *ret_iter && *ret_iter != ';' ) ret_iter++;
1605 if( *ret_iter == ';' )
1609 /* Go to next ';' field */
1610 while( *str && *str != ';' ) str++;
1611 if( *str == ';' ) str++;
1613 while( *str && *str == ' ' ) str++;
1618 /* Get NAME in the NAME=VALUE field */
1619 static char * cookie_get_name( const char * cookie )
1621 char * ret = cookie_get_content( cookie ); /* NAME=VALUE */
1622 if( !ret ) return NULL;
1624 while( *str && *str != '=' ) str++;
1629 /* Add a cookie in cookies, checking to see how it should be added */
1630 static void cookie_append( vlc_array_t * cookies, char * cookie )
1637 char * cookie_name = cookie_get_name( cookie );
1639 /* Don't send invalid cookies */
1643 char * cookie_domain = cookie_get_domain( cookie );
1644 for( i = 0; i < vlc_array_count( cookies ); i++ )
1646 char * current_cookie = vlc_array_item_at_index( cookies, i );
1647 char * current_cookie_name = cookie_get_name( current_cookie );
1648 char * current_cookie_domain = cookie_get_domain( current_cookie );
1650 assert( current_cookie_name );
1652 bool is_domain_matching = ( cookie_domain && current_cookie_domain &&
1653 !strcmp( cookie_domain, current_cookie_domain ) );
1655 if( is_domain_matching && !strcmp( cookie_name, current_cookie_name ) )
1657 /* Remove previous value for this cookie */
1658 free( current_cookie );
1659 vlc_array_remove( cookies, i );
1662 free( current_cookie_name );
1663 free( current_cookie_domain );
1666 free( current_cookie_name );
1667 free( current_cookie_domain );
1669 free( cookie_name );
1670 free( cookie_domain );
1671 vlc_array_append( cookies, cookie );
1674 /*****************************************************************************
1675 * "RFC 2617: Basic and Digest Access Authentication" header parsing
1676 *****************************************************************************/
1677 static char *AuthGetParam( const char *psz_header, const char *psz_param )
1679 char psz_what[strlen(psz_param)+3];
1680 sprintf( psz_what, "%s=\"", psz_param );
1681 psz_header = strstr( psz_header, psz_what );
1684 const char *psz_end;
1685 psz_header += strlen( psz_what );
1686 psz_end = strchr( psz_header, '"' );
1687 if( !psz_end ) /* Invalid since we should have a closing quote */
1688 return strdup( psz_header );
1689 return strndup( psz_header, psz_end - psz_header );
1697 static char *AuthGetParamNoQuotes( const char *psz_header, const char *psz_param )
1699 char psz_what[strlen(psz_param)+2];
1700 sprintf( psz_what, "%s=", psz_param );
1701 psz_header = strstr( psz_header, psz_what );
1704 const char *psz_end;
1705 psz_header += strlen( psz_what );
1706 psz_end = strchr( psz_header, ',' );
1707 /* XXX: Do we need to filter out trailing space between the value and
1708 * the comma/end of line? */
1709 if( !psz_end ) /* Can be valid if this is the last parameter */
1710 return strdup( psz_header );
1711 return strndup( psz_header, psz_end - psz_header );
1719 static void AuthParseHeader( access_t *p_access, const char *psz_header,
1720 http_auth_t *p_auth )
1722 /* FIXME: multiple auth methods can be listed (comma seperated) */
1724 /* 2 Basic Authentication Scheme */
1725 if( !strncasecmp( psz_header, "Basic ", strlen( "Basic " ) ) )
1727 msg_Dbg( p_access, "Using Basic Authentication" );
1728 psz_header += strlen( "Basic " );
1729 p_auth->psz_realm = AuthGetParam( psz_header, "realm" );
1730 if( !p_auth->psz_realm )
1731 msg_Warn( p_access, "Basic Authentication: "
1732 "Mandatory 'realm' parameter is missing" );
1734 /* 3 Digest Access Authentication Scheme */
1735 else if( !strncasecmp( psz_header, "Digest ", strlen( "Digest " ) ) )
1737 msg_Dbg( p_access, "Using Digest Access Authentication" );
1738 if( p_auth->psz_nonce ) return; /* FIXME */
1739 psz_header += strlen( "Digest " );
1740 p_auth->psz_realm = AuthGetParam( psz_header, "realm" );
1741 p_auth->psz_domain = AuthGetParam( psz_header, "domain" );
1742 p_auth->psz_nonce = AuthGetParam( psz_header, "nonce" );
1743 p_auth->psz_opaque = AuthGetParam( psz_header, "opaque" );
1744 p_auth->psz_stale = AuthGetParamNoQuotes( psz_header, "stale" );
1745 p_auth->psz_algorithm = AuthGetParamNoQuotes( psz_header, "algorithm" );
1746 p_auth->psz_qop = AuthGetParam( psz_header, "qop" );
1747 p_auth->i_nonce = 0;
1748 /* printf("realm: |%s|\ndomain: |%s|\nnonce: |%s|\nopaque: |%s|\n"
1749 "stale: |%s|\nalgorithm: |%s|\nqop: |%s|\n",
1750 p_auth->psz_realm,p_auth->psz_domain,p_auth->psz_nonce,
1751 p_auth->psz_opaque,p_auth->psz_stale,p_auth->psz_algorithm,
1752 p_auth->psz_qop); */
1753 if( !p_auth->psz_realm )
1754 msg_Warn( p_access, "Digest Access Authentication: "
1755 "Mandatory 'realm' parameter is missing" );
1756 if( !p_auth->psz_nonce )
1757 msg_Warn( p_access, "Digest Access Authentication: "
1758 "Mandatory 'nonce' parameter is missing" );
1759 if( p_auth->psz_qop ) /* FIXME: parse the qop list */
1761 char *psz_tmp = strchr( p_auth->psz_qop, ',' );
1762 if( psz_tmp ) *psz_tmp = '\0';
1767 const char *psz_end = strchr( psz_header, ' ' );
1769 msg_Warn( p_access, "Unknown authentication scheme: '%*s'",
1770 (int)(psz_end - psz_header), psz_header );
1772 msg_Warn( p_access, "Unknown authentication scheme: '%s'",
1777 static char *AuthDigest( access_t *p_access, vlc_url_t *p_url,
1778 http_auth_t *p_auth, const char *psz_method )
1781 const char *psz_username = p_url->psz_username ? p_url->psz_username : "";
1782 const char *psz_password = p_url->psz_password ? p_url->psz_password : "";
1784 char *psz_HA1 = NULL;
1785 char *psz_HA2 = NULL;
1786 char *psz_response = NULL;
1790 if( p_auth->psz_HA1 )
1792 psz_HA1 = strdup( p_auth->psz_HA1 );
1793 if( !psz_HA1 ) goto error;
1798 AddMD5( &md5, psz_username, strlen( psz_username ) );
1799 AddMD5( &md5, ":", 1 );
1800 AddMD5( &md5, p_auth->psz_realm, strlen( p_auth->psz_realm ) );
1801 AddMD5( &md5, ":", 1 );
1802 AddMD5( &md5, psz_password, strlen( psz_password ) );
1805 psz_HA1 = psz_md5_hash( &md5 );
1806 if( !psz_HA1 ) goto error;
1808 if( p_auth->psz_algorithm
1809 && !strcmp( p_auth->psz_algorithm, "MD5-sess" ) )
1812 AddMD5( &md5, psz_HA1, 32 );
1814 AddMD5( &md5, ":", 1 );
1815 AddMD5( &md5, p_auth->psz_nonce, strlen( p_auth->psz_nonce ) );
1816 AddMD5( &md5, ":", 1 );
1817 AddMD5( &md5, p_auth->psz_cnonce, strlen( p_auth->psz_cnonce ) );
1820 psz_HA1 = psz_md5_hash( &md5 );
1821 if( !psz_HA1 ) goto error;
1822 p_auth->psz_HA1 = strdup( psz_HA1 );
1823 if( !p_auth->psz_HA1 ) goto error;
1830 AddMD5( &md5, psz_method, strlen( psz_method ) );
1831 AddMD5( &md5, ":", 1 );
1832 if( p_url->psz_path )
1833 AddMD5( &md5, p_url->psz_path, strlen( p_url->psz_path ) );
1835 AddMD5( &md5, "/", 1 );
1836 if( p_auth->psz_qop && !strcmp( p_auth->psz_qop, "auth-int" ) )
1841 AddMD5( &ent, "", 0 ); /* XXX: entity-body. should be ok for GET */
1843 psz_ent = psz_md5_hash( &ent );
1844 if( !psz_ent ) goto error;
1845 AddMD5( &md5, ":", 1 );
1846 AddMD5( &md5, psz_ent, 32 );
1850 psz_HA2 = psz_md5_hash( &md5 );
1851 if( !psz_HA2 ) goto error;
1853 /* Request digest */
1855 AddMD5( &md5, psz_HA1, 32 );
1856 AddMD5( &md5, ":", 1 );
1857 AddMD5( &md5, p_auth->psz_nonce, strlen( p_auth->psz_nonce ) );
1858 AddMD5( &md5, ":", 1 );
1860 && ( !strcmp( p_auth->psz_qop, "auth" )
1861 || !strcmp( p_auth->psz_qop, "auth-int" ) ) )
1864 snprintf( psz_inonce, 9, "%08x", p_auth->i_nonce );
1865 AddMD5( &md5, psz_inonce, 8 );
1866 AddMD5( &md5, ":", 1 );
1867 AddMD5( &md5, p_auth->psz_cnonce, strlen( p_auth->psz_cnonce ) );
1868 AddMD5( &md5, ":", 1 );
1869 AddMD5( &md5, p_auth->psz_qop, strlen( p_auth->psz_qop ) );
1870 AddMD5( &md5, ":", 1 );
1872 AddMD5( &md5, psz_HA2, 32 );
1874 psz_response = psz_md5_hash( &md5 );
1879 return psz_response;
1883 static void AuthReply( access_t *p_access, const char *psz_prefix,
1884 vlc_url_t *p_url, http_auth_t *p_auth )
1886 access_sys_t *p_sys = p_access->p_sys;
1887 v_socket_t *pvs = p_sys->p_vs;
1889 const char *psz_username = p_url->psz_username ? p_url->psz_username : "";
1890 const char *psz_password = p_url->psz_password ? p_url->psz_password : "";
1892 if( p_auth->psz_nonce )
1894 /* Digest Access Authentication */
1897 if( p_auth->psz_algorithm
1898 && strcmp( p_auth->psz_algorithm, "MD5" )
1899 && strcmp( p_auth->psz_algorithm, "MD5-sess" ) )
1901 msg_Err( p_access, "Digest Access Authentication: "
1902 "Unknown algorithm '%s'", p_auth->psz_algorithm );
1906 if( p_auth->psz_qop || !p_auth->psz_cnonce )
1908 /* FIXME: needs to be really random to prevent man in the middle
1910 free( p_auth->psz_cnonce );
1911 p_auth->psz_cnonce = strdup( "Some random string FIXME" );
1915 psz_response = AuthDigest( p_access, p_url, p_auth, "GET" );
1916 if( !psz_response ) return;
1918 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs,
1919 "%sAuthorization: Digest "
1920 /* Mandatory parameters */
1926 /* Optional parameters */
1927 "%s%s%s" /* algorithm */
1928 "%s%s%s" /* cnonce */
1929 "%s%s%s" /* opaque */
1930 "%s%s%s" /* message qop */
1931 "%s%08x%s" /* nonce count */
1933 /* Mandatory parameters */
1938 p_url->psz_path ? p_url->psz_path : "/",
1940 /* Optional parameters */
1941 p_auth->psz_algorithm ? "algorithm=\"" : "",
1942 p_auth->psz_algorithm ? p_auth->psz_algorithm : "",
1943 p_auth->psz_algorithm ? "\", " : "",
1944 p_auth->psz_cnonce ? "cnonce=\"" : "",
1945 p_auth->psz_cnonce ? p_auth->psz_cnonce : "",
1946 p_auth->psz_cnonce ? "\", " : "",
1947 p_auth->psz_opaque ? "opaque=\"" : "",
1948 p_auth->psz_opaque ? p_auth->psz_opaque : "",
1949 p_auth->psz_opaque ? "\", " : "",
1950 p_auth->psz_qop ? "qop=\"" : "",
1951 p_auth->psz_qop ? p_auth->psz_qop : "",
1952 p_auth->psz_qop ? "\", " : "",
1953 p_auth->i_nonce ? "nc=\"" : "uglyhack=\"", /* Will be parsed as an unhandled extension */
1955 p_auth->i_nonce ? "\"" : "\""
1958 free( psz_response );
1962 /* Basic Access Authentication */
1963 char buf[strlen( psz_username ) + strlen( psz_password ) + 2];
1966 snprintf( buf, sizeof( buf ), "%s:%s", psz_username, psz_password );
1967 b64 = vlc_b64_encode( buf );
1971 net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs,
1972 "%sAuthorization: Basic %s\r\n", psz_prefix, b64 );
1978 static int AuthCheckReply( access_t *p_access, const char *psz_header,
1979 vlc_url_t *p_url, http_auth_t *p_auth )
1981 int i_ret = VLC_EGENERIC;
1982 char *psz_nextnonce = AuthGetParam( psz_header, "nextnonce" );
1983 char *psz_qop = AuthGetParamNoQuotes( psz_header, "qop" );
1984 char *psz_rspauth = AuthGetParam( psz_header, "rspauth" );
1985 char *psz_cnonce = AuthGetParam( psz_header, "cnonce" );
1986 char *psz_nc = AuthGetParamNoQuotes( psz_header, "nc" );
1992 if( strcmp( psz_cnonce, p_auth->psz_cnonce ) )
1994 msg_Err( p_access, "HTTP Digest Access Authentication: server replied with a different client nonce value." );
2001 i_nonce = strtol( psz_nc, NULL, 16 );
2002 if( i_nonce != p_auth->i_nonce )
2004 msg_Err( p_access, "HTTP Digest Access Authentication: server replied with a different nonce count value." );
2009 if( psz_qop && p_auth->psz_qop && strcmp( psz_qop, p_auth->psz_qop ) )
2010 msg_Warn( p_access, "HTTP Digest Access Authentication: server replied using a different 'quality of protection' option" );
2012 /* All the clear text values match, let's now check the response
2014 psz_digest = AuthDigest( p_access, p_url, p_auth, "" );
2015 if( strcmp( psz_digest, psz_rspauth ) )
2017 msg_Err( p_access, "HTTP Digest Access Authentication: server replied with an invalid response digest (expected value: %s).", psz_digest );
2026 free( p_auth->psz_nonce );
2027 p_auth->psz_nonce = psz_nextnonce;
2028 psz_nextnonce = NULL;
2031 i_ret = VLC_SUCCESS;
2033 free( psz_nextnonce );
2035 free( psz_rspauth );
2042 static void AuthReset( http_auth_t *p_auth )
2044 FREENULL( p_auth->psz_realm );
2045 FREENULL( p_auth->psz_domain );
2046 FREENULL( p_auth->psz_nonce );
2047 FREENULL( p_auth->psz_opaque );
2048 FREENULL( p_auth->psz_stale );
2049 FREENULL( p_auth->psz_algorithm );
2050 FREENULL( p_auth->psz_qop );
2051 p_auth->i_nonce = 0;
2052 FREENULL( p_auth->psz_cnonce );
2053 FREENULL( p_auth->psz_HA1 );