/*****************************************************************************
* Preamble
*****************************************************************************/
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
#include <vlc/vlc.h>
#include <vlc_access.h>
#include <vlc_interface.h>
-#include <vlc_playlist.h>
#include <vlc_meta.h>
#include <vlc_network.h>
#include <vlc_url.h>
#include <vlc_tls.h>
#include <vlc_strings.h>
+#include <vlc_input.h>
+#include <vlc_md5.h>
+
+#ifdef HAVE_ZLIB_H
+# include <zlib.h>
+#endif
/*****************************************************************************
* Module descriptor
"You should not globally enable this option as it will break all other " \
"types of HTTP streams." )
+#define FORWARD_COOKIES_TEXT N_("Forward Cookies")
+#define FORWARD_COOKIES_LONGTEXT N_("Forward Cookies Across http redirections ")
+
vlc_module_begin();
set_description( _("HTTP input") );
set_capability( "access2", 0 );
RECONNECT_LONGTEXT, VLC_TRUE );
add_bool( "http-continuous", 0, NULL, CONTINUOUS_TEXT,
CONTINUOUS_LONGTEXT, VLC_TRUE );
+ add_bool( "http-forward-cookies", 0, NULL, FORWARD_COOKIES_TEXT,
+ FORWARD_COOKIES_LONGTEXT, VLC_TRUE );
add_obsolete_string("http-user");
add_obsolete_string("http-pwd");
add_shortcut( "http" );
/*****************************************************************************
* Local prototypes
*****************************************************************************/
+
+/* RFC 2617: Basic and Digest Access Authentification */
+typedef struct http_auth_t
+{
+ char *psz_realm;
+ char *psz_domain;
+ char *psz_nonce;
+ char *psz_opaque;
+ char *psz_stale;
+ char *psz_algorithm;
+ char *psz_qop;
+ int i_nonce;
+ char *psz_cnonce;
+ char *psz_A1; /* stored A1 value if algorithm = "MD5-sess" */
+} http_auth_t;
+
struct access_sys_t
{
int fd;
/* From uri */
vlc_url_t url;
char *psz_user_agent;
+ http_auth_t auth;
/* Proxy */
vlc_bool_t b_proxy;
vlc_url_t proxy;
+ http_auth_t proxy_auth;
/* */
int i_code;
vlc_bool_t b_mms;
vlc_bool_t b_icecast;
vlc_bool_t b_ssl;
+#ifdef HAVE_ZLIB_H
+ vlc_bool_t b_compressed;
+ struct
+ {
+ z_stream stream;
+ uint8_t *p_buffer;
+ } inflate;
+#endif
vlc_bool_t b_chunked;
int64_t i_chunk;
vlc_bool_t b_reconnect;
vlc_bool_t b_continuous;
vlc_bool_t b_pace_control;
+
+ vlc_array_t * cookies;
};
+/* */
+static int OpenWithCookies( vlc_object_t *p_this, vlc_array_t *cookies );
+
/* */
static ssize_t Read( access_t *, uint8_t *, size_t );
+static ssize_t ReadCompressed( access_t *, uint8_t *, size_t );
static int Seek( access_t *, int64_t );
static int Control( access_t *, int, va_list );
static int Request( access_t *p_access, int64_t i_tell );
static void Disconnect( access_t * );
+/* Small Cookie utilities. Cookies support is partial. */
+static char * cookie_get_content( const char * cookie );
+static char * cookie_get_domain( const char * cookie );
+static char * cookie_get_name( const char * cookie );
+static void cookie_append( vlc_array_t * cookies, char * cookie );
+
+
+static void AuthParseHeader( access_t *p_access, const char *psz_header,
+ http_auth_t *p_auth );
+static void AuthReply( access_t *p_acces, const char *psz_prefix,
+ vlc_url_t *p_url, http_auth_t *p_auth );
+static void AuthReset( http_auth_t *p_auth );
+
/*****************************************************************************
* Open:
*****************************************************************************/
static int Open( vlc_object_t *p_this )
+{
+ return OpenWithCookies( p_this, NULL );
+}
+
+static int OpenWithCookies( vlc_object_t *p_this, vlc_array_t *cookies )
{
access_t *p_access = (access_t*)p_this;
access_sys_t *p_sys;
char *psz, *p;
+ /* Only forward an store cookies if the corresponding option is activated */
+ vlc_bool_t b_forward_cookies = var_CreateGetBool( p_access, "http-forward-cookies" );
+ vlc_array_t * saved_cookies = b_forward_cookies ? (cookies ?: vlc_array_new()) : NULL;
/* Set up p_access */
STANDARD_READ_ACCESS_INIT;
+#ifdef HAVE_ZLIB_H
+ p_access->pf_read = ReadCompressed;
+#endif
p_sys->fd = -1;
p_sys->b_proxy = VLC_FALSE;
p_sys->i_version = 1;
p_sys->psz_user_agent = NULL;
p_sys->b_pace_control = VLC_TRUE;
p_sys->b_ssl = VLC_FALSE;
+#ifdef HAVE_ZLIB_H
+ p_sys->b_compressed = VLC_FALSE;
+ /* 15 is the max windowBits, +32 to enable optional gzip decoding */
+ if( inflateInit2( &p_sys->inflate.stream, 32+15 ) != Z_OK )
+ msg_Warn( p_access, "Error during zlib initialisation: %s",
+ p_sys->inflate.stream.msg );
+ if( zlibCompileFlags() & (1<<17) )
+ msg_Warn( p_access, "Your zlib was compiled without gzip support." );
+ p_sys->inflate.p_buffer = NULL;
+#endif
p_sys->p_tls = NULL;
p_sys->p_vs = NULL;
p_sys->i_icy_meta = 0;
p_sys->psz_icy_title = NULL;
p_sys->i_remaining = 0;
+ p_sys->cookies = saved_cookies;
/* Parse URI - remove spaces */
p = psz = strdup( p_access->psz_path );
if( p_access->b_die || Connect( p_access, 0 ) )
goto error;
-#ifdef DEBUG
+#ifndef NDEBUG
case 0:
break;
if( p_sys->i_code == 401 )
{
char *psz_login = NULL; char *psz_password = NULL;
+ char psz_msg[250];
int i_ret;
- msg_Dbg( p_access, "authentication failed" );
+ /* FIXME ? */
+ if( p_sys->url.psz_username && p_sys->url.psz_password &&
+ p_sys->auth.psz_nonce && p_sys->auth.i_nonce == 0 )
+ {
+ goto connect;
+ }
+ snprintf( psz_msg, 250,
+ _("Please enter a valid login name and a password for realm %s."),
+ p_sys->auth.psz_realm );
+ msg_Dbg( p_access, "authentication failed for realm %s",
+ p_sys->auth.psz_realm );
i_ret = intf_UserLoginPassword( p_access, _("HTTP authentication"),
- _("Please enter a valid login name and a password."),
- &psz_login, &psz_password );
+ psz_msg, &psz_login, &psz_password );
if( i_ret == DIALOG_OK_YES )
{
msg_Dbg( p_access, "retrying with user=%s, pwd=%s",
psz_login, psz_password );
if( psz_login ) p_sys->url.psz_username = strdup( psz_login );
if( psz_password ) p_sys->url.psz_password = strdup( psz_password );
- if( psz_login ) free( psz_login );
- if( psz_password ) free( psz_password );
+ free( psz_login );
+ free( psz_password );
goto connect;
}
else
{
- if( psz_login ) free( psz_login );
- if( psz_password ) free( psz_password );
+ free( psz_login );
+ free( psz_password );
goto error;
}
}
p_sys->i_code == 303 || p_sys->i_code == 307 ) &&
p_sys->psz_location && *p_sys->psz_location )
{
- playlist_t * p_playlist;
- input_item_t *p_input_item;
-
msg_Dbg( p_access, "redirection to %s", p_sys->psz_location );
/* Do not accept redirection outside of HTTP works */
msg_Err( p_access, "insecure redirection ignored" );
goto error;
}
-
- /* Change the URI */
- p_playlist = pl_Yield( p_access );
- PL_LOCK;
-
- p_input_item = p_playlist->status.p_item->p_input;
- input_item_SetURI( p_input_item, p_sys->psz_location );
free( p_access->psz_path );
p_access->psz_path = strdup( p_sys->psz_location );
-
- PL_UNLOCK;
- pl_Release( p_access );
-
/* Clean up current Open() run */
vlc_UrlClean( &p_sys->url );
+ AuthReset( &p_sys->auth );
vlc_UrlClean( &p_sys->proxy );
+ AuthReset( &p_sys->proxy_auth );
free( p_sys->psz_mime );
free( p_sys->psz_pragma );
free( p_sys->psz_location );
free( p_sys->psz_user_agent );
Disconnect( p_access );
+ cookies = p_sys->cookies;
free( p_sys );
/* Do new Open() run with new data */
- return Open( p_this );
+ return OpenWithCookies( p_this, cookies );
}
if( p_sys->b_mms )
access_sys_t *p_sys = p_access->p_sys;
vlc_UrlClean( &p_sys->url );
+ AuthReset( &p_sys->auth );
vlc_UrlClean( &p_sys->proxy );
+ AuthReset( &p_sys->proxy_auth );
free( p_sys->psz_mime );
free( p_sys->psz_pragma );
free( p_sys->psz_user_agent );
Disconnect( p_access );
+
+ if( p_sys->cookies )
+ {
+ int i;
+ for( i = 0; i < vlc_array_count( p_sys->cookies ); i++ )
+ free(vlc_array_item_at_index( p_sys->cookies, i ));
+ vlc_array_destroy( p_sys->cookies );
+ }
+
+#ifdef HAVE_ZLIB_H
+ inflateEnd( &p_sys->inflate.stream );
+ free( p_sys->inflate.p_buffer );
+#endif
+
free( p_sys );
}
}
}
- if( p_sys->b_continuous && i_len > p_sys->i_remaining )
+ if( p_sys->b_continuous && (ssize_t)i_len > p_sys->i_remaining )
{
/* Only ask for the remaining length */
int i_new_len = p_sys->i_remaining;
{
/* read the empty line */
char *psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, p_sys->p_vs );
- if( psz ) free( psz );
+ free( psz );
}
}
}
if( !p_sys->psz_icy_title ||
strcmp( p_sys->psz_icy_title, &p[1] ) )
{
- if( p_sys->psz_icy_title )
- free( p_sys->psz_icy_title );
+ free( p_sys->psz_icy_title );
p_sys->psz_icy_title = strdup( &p[1] );
p_access->info.i_update |= INPUT_UPDATE_META;
return VLC_SUCCESS;
}
+#ifdef HAVE_ZLIB_H
+static ssize_t ReadCompressed( access_t *p_access, uint8_t *p_buffer,
+ size_t i_len )
+{
+ access_sys_t *p_sys = p_access->p_sys;
+
+ if( p_sys->b_compressed )
+ {
+ int i_ret;
+
+ if( !p_sys->inflate.p_buffer )
+ p_sys->inflate.p_buffer = malloc( 256 * 1024 );
+
+ if( p_sys->inflate.stream.avail_in == 0 )
+ {
+ ssize_t i_read = Read( p_access, p_sys->inflate.p_buffer + p_sys->inflate.stream.avail_in, 256 * 1024 );
+ if( i_read <= 0 ) return i_read;
+ p_sys->inflate.stream.next_in = p_sys->inflate.p_buffer;
+ p_sys->inflate.stream.avail_in = i_read;
+ }
+
+ p_sys->inflate.stream.avail_out = i_len;
+ p_sys->inflate.stream.next_out = p_buffer;
+
+ i_ret = inflate( &p_sys->inflate.stream, Z_SYNC_FLUSH );
+ msg_Warn( p_access, "inflate return value: %d, %s", i_ret, p_sys->inflate.stream.msg );
+
+ return i_len - p_sys->inflate.stream.avail_out;
+ }
+ else
+ {
+ return Read( p_access, p_buffer, i_len );
+ }
+}
+#endif
+
/*****************************************************************************
* Seek: close and re-open a connection at the right place
*****************************************************************************/
i_status = 0;
free( psz );
+
+ if( p_access->b_die || p_access->b_error )
+ {
+ Disconnect( p_access );
+ return -1;
+ }
}
while( i_status );
}
{
psz_path = "/";
}
- if( p_sys->url.i_port != 80)
+ if( p_sys->url.i_port != (pvs ? 443 : 80) )
{
net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs,
"GET %s HTTP/1.%d\r\nHost: %s:%d\r\n",
"Range: bytes="I64Fd"-\r\n", i_tell );
}
- /* Authentication */
- if( p_sys->url.psz_username || p_sys->url.psz_password )
+ /* Cookies */
+ if( p_sys->cookies )
{
- char buf[strlen( p_sys->url.psz_username ?: "" )
- + strlen( p_sys->url.psz_password ?: "" ) + 2];
- char *b64;
+ int i;
+ for( i = 0; i < vlc_array_count( p_sys->cookies ); i++ )
+ {
+ const char * cookie = vlc_array_item_at_index( p_sys->cookies, i );
+ char * psz_cookie_content = cookie_get_content( cookie );
+ char * psz_cookie_domain = cookie_get_domain( cookie );
- snprintf( buf, sizeof( buf ), "%s:%s", p_sys->url.psz_username ?: "",
- p_sys->url.psz_password ?: "" );
- b64 = vlc_b64_encode( buf );
+ assert( psz_cookie_content );
- if( b64 != NULL )
- {
- net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs,
- "Authorization: Basic %s\r\n", b64 );
- free( b64 );
+ /* FIXME: This is clearly not conforming to the rfc */
+ vlc_bool_t is_in_right_domain = (!psz_cookie_domain || strstr( p_sys->url.psz_host, psz_cookie_domain ));
+
+ if( is_in_right_domain )
+ {
+ msg_Dbg( p_access, "Sending Cookie %s", psz_cookie_content );
+ if( net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs, "Cookie: %s\r\n", psz_cookie_content ) < 0 )
+ msg_Err( p_access, "failed to send Cookie" );
+ }
+ free( psz_cookie_content );
+ free( psz_cookie_domain );
}
}
+ /* Authentication */
+ if( p_sys->url.psz_username || p_sys->url.psz_password )
+ AuthReply( p_access, "", &p_sys->url, &p_sys->auth );
+
/* Proxy Authentication */
if( p_sys->proxy.psz_username || p_sys->proxy.psz_password )
- {
- char buf[strlen( p_sys->proxy.psz_username ?: "" )
- + strlen( p_sys->proxy.psz_password ?: "" )];
- char *b64;
-
- snprintf( buf, sizeof( buf ), "%s:%s", p_sys->proxy.psz_username ?: "",
- p_sys->proxy.psz_password ?: "" );
- b64 = vlc_b64_encode( buf );
-
- if( b64 != NULL)
- {
- net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs,
- "Proxy-Authorization: Basic %s\r\n", b64 );
- free( b64 );
- }
- }
+ AuthReply( p_access, "Proxy-", &p_sys->proxy, &p_sys->proxy_auth );
/* ICY meta data request */
net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs, "Icy-MetaData: 1\r\n" );
goto error;
}
+ if( p_access->b_die || p_access->b_error )
+ {
+ free( psz );
+ goto error;
+ }
+
/* msg_Dbg( p_input, "Line=%s", psz ); */
if( *psz == '\0' )
{
break;
}
-
if( ( p = strchr( psz, ':' ) ) == NULL )
{
msg_Err( p_access, "malformed header line: %s", psz );
if( p_sys->url.i_port == ( p_sys->b_ssl ? 443 : 80 ) )
{
- asprintf(&psz_new_loc, "http%s://%s%s", psz_http_ext,
- p_sys->url.psz_host, p);
+ if( asprintf(&psz_new_loc, "http%s://%s%s", psz_http_ext,
+ p_sys->url.psz_host, p) < 0 )
+ goto error;
}
else
{
- asprintf(&psz_new_loc, "http%s://%s:%d%s", psz_http_ext,
- p_sys->url.psz_host, p_sys->url.i_port, p);
+ if( asprintf(&psz_new_loc, "http%s://%s:%d%s", psz_http_ext,
+ p_sys->url.psz_host, p_sys->url.i_port, p) < 0 )
+ goto error;
}
}
else
psz_new_loc = strdup( p );
}
- if( p_sys->psz_location ) free( p_sys->psz_location );
+ free( p_sys->psz_location );
p_sys->psz_location = psz_new_loc;
}
else if( !strcasecmp( psz, "Content-Type" ) )
{
- if( p_sys->psz_mime ) free( p_sys->psz_mime );
+ free( p_sys->psz_mime );
p_sys->psz_mime = strdup( p );
msg_Dbg( p_access, "Content-Type: %s", p_sys->psz_mime );
}
+ else if( !strcasecmp( psz, "Content-Encoding" ) )
+ {
+ msg_Dbg( p_access, "Content-Encoding: %s", p );
+ if( strcasecmp( p, "identity" ) )
+#ifdef HAVE_ZLIB_H
+ p_sys->b_compressed = VLC_TRUE;
+#else
+ msg_Warn( p_access, "Compressed content not supported. Rebuild with zlib support." );
+#endif
+ }
else if( !strcasecmp( psz, "Pragma" ) )
{
if( !strcasecmp( psz, "Pragma: features" ) )
p_sys->b_mms = VLC_TRUE;
- if( p_sys->psz_pragma ) free( p_sys->psz_pragma );
+ free( p_sys->psz_pragma );
p_sys->psz_pragma = strdup( p );
msg_Dbg( p_access, "Pragma: %s", p_sys->psz_pragma );
}
}
else if( !strcasecmp( psz, "Icy-Name" ) )
{
- if( p_sys->psz_icy_name ) free( p_sys->psz_icy_name );
+ free( p_sys->psz_icy_name );
p_sys->psz_icy_name = strdup( p );
msg_Dbg( p_access, "Icy-Name: %s", p_sys->psz_icy_name );
}
else if( !strcasecmp( psz, "Icy-Genre" ) )
{
- if( p_sys->psz_icy_genre ) free( p_sys->psz_icy_genre );
+ free( p_sys->psz_icy_genre );
p_sys->psz_icy_genre = strdup( p );
msg_Dbg( p_access, "Icy-Genre: %s", p_sys->psz_icy_genre );
}
{
msg_Dbg( p_access, "Meta-Info: %s: %s", psz, p );
}
+ else if( !strcasecmp( psz, "Set-Cookie" ) )
+ {
+ if( p_sys->cookies )
+ {
+ msg_Dbg( p_access, "Accepting Cookie: %s", p );
+ cookie_append( p_sys->cookies, strdup(p) );
+ }
+ else
+ msg_Dbg( p_access, "We have a Cookie we won't remember: %s", p );
+ }
+ else if( !strcasecmp( psz, "www-authenticate" ) )
+ {
+ msg_Dbg( p_access, "Authentication header: %s", p );
+ AuthParseHeader( p_access, p, &p_sys->auth );
+ }
+ else if( !strcasecmp( psz, "proxy-authenticate" ) )
+ {
+ msg_Dbg( p_access, "Proxy authentication header: %s", p );
+ AuthParseHeader( p_access, p, &p_sys->proxy_auth );
+ }
+ else if( !strcasecmp( psz, "authentication-info" ) )
+ {
+ msg_Dbg( p_access, "Authentication info: %s", p );
+ /* FIXME: use */
+ }
free( psz );
}
}
}
+
+/*****************************************************************************
+ * Cookies (FIXME: we may want to rewrite that using a nice structure to hold
+ * them) (FIXME: only support the "domain=" param)
+ *****************************************************************************/
+
+/* Get the NAME=VALUE part of the Cookie */
+static char * cookie_get_content( const char * cookie )
+{
+ char * ret = strdup( cookie );
+ if( !ret ) return NULL;
+ char * str = ret;
+ /* Look for a ';' */
+ while( *str && *str != ';' ) str++;
+ /* Replace it by a end-char */
+ if( *str == ';' ) *str = 0;
+ return ret;
+}
+
+/* Get the domain where the cookie is stored */
+static char * cookie_get_domain( const char * cookie )
+{
+ const char * str = cookie;
+ static const char domain[] = "domain=";
+ if( !str )
+ return NULL;
+ /* Look for a ';' */
+ while( *str )
+ {
+ if( !strncmp( str, domain, sizeof(domain) - 1 /* minus \0 */ ) )
+ {
+ str += sizeof(domain) - 1 /* minus \0 */;
+ char * ret = strdup( str );
+ /* Now remove the next ';' if present */
+ char * ret_iter = ret;
+ while( *ret_iter && *ret_iter != ';' ) ret_iter++;
+ if( *ret_iter == ';' )
+ *ret_iter = 0;
+ return ret;
+ }
+ /* Go to next ';' field */
+ while( *str && *str != ';' ) str++;
+ if( *str == ';' ) str++;
+ /* skip blank */
+ while( *str && *str == ' ' ) str++;
+ }
+ return NULL;
+}
+
+/* Get NAME in the NAME=VALUE field */
+static char * cookie_get_name( const char * cookie )
+{
+ char * ret = cookie_get_content( cookie ); /* NAME=VALUE */
+ if( !ret ) return NULL;
+ char * str = ret;
+ while( *str && *str != '=' ) str++;
+ *str = 0;
+ return ret;
+}
+
+/* Add a cookie in cookies, checking to see how it should be added */
+static void cookie_append( vlc_array_t * cookies, char * cookie )
+{
+ int i;
+
+ if( !cookie )
+ return;
+
+ char * cookie_name = cookie_get_name( cookie );
+
+ /* Don't send invalid cookies */
+ if( !cookie_name )
+ return;
+
+ char * cookie_domain = cookie_get_domain( cookie );
+ for( i = 0; i < vlc_array_count( cookies ); i++ )
+ {
+ char * current_cookie = vlc_array_item_at_index( cookies, i );
+ char * current_cookie_name = cookie_get_name( current_cookie );
+ char * current_cookie_domain = cookie_get_domain( current_cookie );
+
+ assert( current_cookie_name );
+
+ vlc_bool_t is_domain_matching = ( cookie_domain && current_cookie_domain &&
+ !strcmp( cookie_domain, current_cookie_domain ) );
+
+ if( is_domain_matching && !strcmp( cookie_name, current_cookie_name ) )
+ {
+ /* Remove previous value for this cookie */
+ free( current_cookie );
+ vlc_array_remove( cookies, i );
+
+ /* Clean */
+ free( current_cookie_name );
+ free( current_cookie_domain );
+ break;
+ }
+ free( current_cookie_name );
+ free( current_cookie_domain );
+ }
+ free( cookie_name );
+ free( cookie_domain );
+ vlc_array_append( cookies, cookie );
+}
+
+/*****************************************************************************
+ * "RFC 2617: Basic and Digest Access Authentification" header parsing
+ *****************************************************************************/
+static char *AuthGetParam( const char *psz_header, const char *psz_param )
+{
+ char psz_what[strlen(psz_param)+3];
+ sprintf( psz_what, "%s=\"", psz_param );
+ psz_header = strstr( psz_header, psz_what );
+ if( psz_header )
+ {
+ const char *psz_end;
+ psz_header += strlen( psz_what );
+ psz_end = strchr( psz_header, '"' );
+ if( !psz_end )
+ {
+ psz_end = psz_header;
+ while( *psz_end ) psz_end++;
+ }
+ return strndup( psz_header, psz_end - psz_header );
+ }
+ else
+ {
+ return NULL;
+ }
+}
+
+static char *AuthGetParamNoQuotes( const char *psz_header, const char *psz_param )
+{
+ char psz_what[strlen(psz_param)+3];
+ sprintf( psz_what, "%s=", psz_param );
+ psz_header = strstr( psz_header, psz_what );
+ if( psz_header )
+ {
+ const char *psz_end;
+ psz_header += strlen( psz_what );
+ psz_end = strchr( psz_header, ',' );
+ if( !psz_end )
+ {
+ psz_end = psz_header;
+ while( *psz_end ) psz_end++;
+ }
+ return strndup( psz_header, psz_end - psz_header );
+ }
+ else
+ {
+ return NULL;
+ }
+}
+
+static void AuthParseHeader( access_t *p_access, const char *psz_header,
+ http_auth_t *p_auth )
+{
+ /* FIXME: multiple auth methods can be listed (comma seperated) */
+
+ /* 2 Basic Authentication Scheme */
+ if( !strncasecmp( psz_header, "Basic ", strlen( "Basic " ) ) )
+ {
+ msg_Dbg( p_access, "Using Basic Authentication" );
+ psz_header += strlen( "Basic " );
+ p_auth->psz_realm = AuthGetParam( psz_header, "realm" );
+ if( !p_auth->psz_realm )
+ msg_Warn( p_access, "Basic Authentication: "
+ "Mandatory 'realm' parameter is missing" );
+ }
+ /* 3 Digest Access Authentication Scheme */
+ else if( !strncasecmp( psz_header, "Digest ", strlen( "Digest " ) ) )
+ {
+ msg_Dbg( p_access, "Using Digest Access Authentication" );
+ if( p_auth->psz_nonce ) return; /* FIXME */
+ psz_header += strlen( "Digest " );
+ p_auth->psz_realm = AuthGetParam( psz_header, "realm" );
+ p_auth->psz_domain = AuthGetParam( psz_header, "domain" );
+ p_auth->psz_nonce = AuthGetParam( psz_header, "nonce" );
+ p_auth->psz_opaque = AuthGetParam( psz_header, "opaque" );
+ p_auth->psz_stale = AuthGetParamNoQuotes( psz_header, "stale" );
+ p_auth->psz_algorithm = AuthGetParamNoQuotes( psz_header, "algorithm" );
+ p_auth->psz_qop = AuthGetParam( psz_header, "qop" );
+ p_auth->i_nonce = 0;
+ /* printf("realm: %s\ndomain: %s\nnonce: %s\nopaque: %s\nstale: %s\nalgorithm: %s\nqop: %s\n",p_auth->psz_realm,p_auth->psz_domain,p_auth->psz_nonce,p_auth->psz_opaque,p_auth->psz_stale,p_auth->psz_algorithm,p_auth->psz_qop); */
+ if( !p_auth->psz_realm )
+ msg_Warn( p_access, "Digest Access Authentication: "
+ "Mandatory 'realm' parameter is missing" );
+ if( !p_auth->psz_nonce )
+ msg_Warn( p_access, "Digest Access Authentication: "
+ "Mandatory 'nonce' parameter is missing" );
+ if( p_auth->psz_qop ) /* FIXME */
+ {
+ char *psz_tmp = strchr( p_auth->psz_qop, ',' );
+ if( psz_tmp ) *psz_tmp = '\0';
+ }
+ }
+ else
+ {
+ const char *psz_end = strchr( psz_header, ' ' );
+ if( !psz_end )
+ {
+ psz_end = psz_header;
+ while( *psz_end ) psz_end++;
+ }
+ msg_Warn( p_access, "Unknown authentication scheme: '%*s'",
+ psz_end - psz_header, psz_header );
+ }
+}
+
+static char *AuthAlgoMD5( const char *psz_data )
+{
+ struct md5_s md5;
+ char *psz_md5;
+ InitMD5( &md5 );
+ AddMD5( &md5, psz_data, strlen( psz_data ) );
+ EndMD5( &md5 );
+ psz_md5 = psz_md5_hash( &md5 );
+ return psz_md5;
+}
+
+static void AuthReply( access_t *p_access, const char *psz_prefix,
+ vlc_url_t *p_url, http_auth_t *p_auth )
+{
+ access_sys_t *p_sys = p_access->p_sys;
+ v_socket_t *pvs = p_sys->p_vs;
+
+ const char *psz_username = p_url->psz_username ?: "";
+ const char *psz_password = p_url->psz_password ?: "";
+
+ if( p_auth->psz_nonce )
+ {
+ /* Digest Access Authentication */
+ char *psz_response = NULL;
+ char *psz_A1 = NULL;
+ char *psz_A2 = NULL;
+ char *psz_secret = NULL;
+ char *psz_data = NULL;
+ char * (*pf_algo)( const char * );
+
+ if( p_auth->psz_algorithm == NULL
+ || !strcmp( p_auth->psz_algorithm, "MD5" )
+ || !strcmp( p_auth->psz_algorithm, "MD5-sess" ) )
+ {
+ pf_algo = AuthAlgoMD5;
+ }
+ else
+ {
+ msg_Err( p_access, "Digest Access Authentication: "
+ "Unknown algorithm '%s'", p_auth->psz_algorithm );
+ }
+ if( !pf_algo ) return;
+
+ if( p_auth->psz_qop )
+ {
+ /* FIXME: needs to be really random to prevent man in the middle
+ * attacks */
+ free( p_auth->psz_cnonce );
+ p_auth->psz_cnonce = strdup( "Some random string FIXME" );
+ }
+ p_auth->i_nonce ++;
+
+ if( p_auth->psz_algorithm && !strcmp( p_auth->psz_algorithm, "MD5-sess" ) )
+ {
+ if( !p_auth->psz_A1 )
+ {
+ char *psz_tmp = NULL;
+ if( asprintf( &psz_A1, "%s:%s:%s", psz_username,
+ p_auth->psz_realm, psz_password ) < 0 )
+ goto error;
+ psz_tmp = pf_algo( psz_A1 );
+ free( psz_A1 ); psz_A1 = NULL;
+ if( !psz_tmp ) goto error;
+ if( asprintf( &psz_A1, "%s:%s:%s", psz_tmp, p_auth->psz_nonce,
+ p_auth->psz_cnonce ) < 0 )
+ {
+ free( psz_tmp );
+ goto error;
+ }
+ p_auth->psz_A1 = strdup( psz_A1 );
+ }
+ else
+ {
+ psz_A1 = strdup( p_auth->psz_A1 );
+ }
+ }
+ else
+ {
+ if( asprintf( &psz_A1, "%s:%s:%s", psz_username, p_auth->psz_realm,
+ psz_password ) < 0 ) goto error;
+ }
+
+ if( !p_auth->psz_qop || !strcmp( p_auth->psz_qop, "auth" ) )
+ {
+ if( asprintf( &psz_A2, "%s:%s", "GET", p_url->psz_path ?: "/" )
+ < 0 ) goto error;
+ }
+ else
+ {
+ char *psz_tmp = pf_algo( "FIXME entity-body" ); /* FIXME */
+ if( asprintf( &psz_A2, "%s:%s:%s", "GET", p_url->psz_path ?: "/",
+ psz_tmp ) < 0 )
+ {
+ free( psz_tmp );
+ goto error;
+ }
+ free( psz_tmp );
+ }
+
+ psz_secret = pf_algo( psz_A1 );
+
+ if( p_auth->psz_qop
+ && ( !strcmp( p_auth->psz_qop, "auth" )
+ || !strcmp( p_auth->psz_qop, "auth-int" ) ) )
+ {
+ char *psz_tmp = pf_algo( psz_A2 );
+ if( !psz_tmp ) goto error;
+ if( asprintf( &psz_data, "%s:%08x:%s:%s:%s",
+ p_auth->psz_nonce, p_auth->i_nonce,
+ p_auth->psz_cnonce, p_auth->psz_qop, psz_tmp ) < 0 )
+ {
+ free( psz_tmp );
+ goto error;
+ }
+ free( psz_tmp );
+ }
+ else
+ {
+ char *psz_tmp = pf_algo( psz_A2 );
+ if( !psz_tmp ) goto error;
+ if( asprintf( &psz_data, "%s:%s", p_auth->psz_nonce, psz_tmp ) < 0 )
+ {
+ free( psz_tmp );
+ goto error;
+ }
+ free( psz_tmp );
+ }
+
+ if( psz_secret && psz_data )
+ {
+ char *psz_tmp = NULL;
+ if( asprintf( &psz_tmp, "%s:%s", psz_secret, psz_data ) < 0 )
+ goto error;
+ psz_response = pf_algo( psz_tmp );
+ free( psz_tmp );
+ if( !psz_response )
+ goto error;
+ }
+ else
+ {
+ goto error;
+ }
+
+ net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs,
+ "%sAuthorization: Digest "
+ /* Mandatory parameters */
+ "username=\"%s\", "
+ "realm=\"%s\", "
+ "nonce=\"%s\", "
+ "uri=\"%s\", "
+ "response=\"%s\", "
+ /* Optional parameters */
+ "%s%s%s" /* algorithm */
+ "%s%s%s" /* cnonce */
+ "%s%s%s" /* opaque */
+ "%s%s%s" /* message qop */
+ "%s%08x%s" /* nonce count */
+ "\r\n",
+ /* Mandatory parameters */
+ psz_prefix,
+ psz_username,
+ p_auth->psz_realm,
+ p_auth->psz_nonce,
+ p_url->psz_path ?: "/",
+ psz_response,
+ /* Optional parameters */
+ p_auth->psz_algorithm ? "algorithm=\"" : "",
+ p_auth->psz_algorithm ?: "",
+ p_auth->psz_algorithm ? "\", " : "",
+ p_auth->psz_cnonce ? "cnonce=\"" : "",
+ p_auth->psz_cnonce ?: "",
+ p_auth->psz_cnonce ? "\", " : "",
+ p_auth->psz_opaque ? "opaque=\"" : "",
+ p_auth->psz_opaque ?: "",
+ p_auth->psz_opaque ? "\", " : "",
+ p_auth->psz_qop ? "qop=\"" : "",
+ p_auth->psz_qop ?: "",
+ p_auth->psz_qop ? "\", " : "",
+ p_auth->i_nonce ? "nc=\"" : "uglyhack=\"", /* Will be parsed as an unhandled extension */
+ p_auth->i_nonce,
+ p_auth->i_nonce ? "\"" : "\""
+ );
+
+ error:
+ free( psz_response );
+ free( psz_A1 );
+ free( psz_A2 );
+ free( psz_secret );
+ free( psz_data );
+ }
+ else
+ {
+ /* Basic Access Authentication */
+ char buf[strlen( psz_username ) + strlen( psz_password ) + 2];
+ char *b64;
+
+ snprintf( buf, sizeof( buf ), "%s:%s", psz_username, psz_password );
+ b64 = vlc_b64_encode( buf );
+
+ if( b64 != NULL )
+ {
+ net_Printf( VLC_OBJECT(p_access), p_sys->fd, pvs,
+ "%sAuthorization: Basic %s\r\n", psz_prefix, b64 );
+ free( b64 );
+ }
+ }
+}
+
+static void AuthReset( http_auth_t *p_auth )
+{
+ FREENULL( p_auth->psz_realm );
+ FREENULL( p_auth->psz_domain );
+ FREENULL( p_auth->psz_nonce );
+ FREENULL( p_auth->psz_opaque );
+ FREENULL( p_auth->psz_stale );
+ FREENULL( p_auth->psz_algorithm );
+ FREENULL( p_auth->psz_qop );
+ p_auth->i_nonce = 0;
+ FREENULL( p_auth->psz_cnonce );
+ FREENULL( p_auth->psz_A1 );
+}
projects / vlc / blobdiff