1 /* $Id: update.c,v 1.7 2005/03/26 23:04:14 titer Exp $
3 This file is part of the HandBrake source code.
4 Homepage: <http://handbrake.fr/>.
5 It may be used under the terms of the GNU General Public License. */
9 static void UpdateFunc( void * );
18 hb_thread_t * hb_update_init( int * build, char * version )
20 hb_update_t * data = calloc( sizeof( hb_update_t ), 1 );
22 data->version = version;
24 return hb_thread_init( "update", UpdateFunc, data,
29 static void UpdateFunc( void * _data )
32 hb_update_t * data = (hb_update_t *) _data;
34 char* const url = HB_PROJECT_URL_APPCAST;
35 char* const urlz = url + strlen( HB_PROJECT_URL_APPCAST ); /* marks null-term */
46 char s_vers[32]; /* must be no larger than hb_handle_s.version */
49 /* Setup hb_query and hb_query_two with the correct appcast file */
50 hb_log( "Using %s", url );
52 /* extract host part */
53 cur = strstr( HB_PROJECT_URL_APPCAST, "//" );
54 if( !cur || cur+2 > urlz )
58 end = strstr( cur, "/" );
59 if( !end || end > urlz )
62 memset( url_host, 0, sizeof(url_host) );
63 strncpy( url_host, cur, (end-cur) );
65 /* extract path part */
66 memset( url_path, 0, sizeof(url_path) );
67 strncpy( url_path, end, (urlz-end) );
69 if( !strlen( url_path ))
72 memset( query, 0, sizeof(query) );
73 snprintf( query, sizeof(query), "GET %s HTTP/1.0\r\nHost: %s\r\n\r\n", url_path, url_host );
75 /* Grab the data from the web server */
76 if( !( net = hb_net_open( url_host, 80 ) ) )
81 if( hb_net_send( net, query ) < 0 )
83 hb_log("Error: Unable to connect to server");
89 memset( buf, 0, 4096 );
92 ret = hb_net_recv( net, &buf[size], sizeof( buf ) - size );
102 end = &buf[sizeof( buf )];
104 /* Make sure we got it */
106 if( size < 15 || strncmp( cur, "200 OK", 6 ) )
108 hb_log("Error: We did not get a 200 OK from the server. \n");
113 /* Find the end of the headers and the beginning of the content */
114 for( ; &cur[3] < end; cur++ )
116 if( cur[0] == '\r' && cur[1] == '\n' &&
117 cur[2] == '\r' && cur[3] == '\n' )
126 hb_log("Error: Found the end of the buffer before the end of the HTTP header information! \n");
132 * Scan though each character of the buffer until we find that the first 4 characters of "cur" are "<cli"
134 for(i=0 ; &cur[3] < end; i++, cur++ )
136 if( cur[0] == 'c' && cur[1] == 'l' && cur[2] == 'i' && cur[3] == '>' )
142 /* If the CLI tag has not been found in the first 768 characters, or the end is reached, something bad happened.*/
143 if (( i > 768) || ( cur >= end ))
145 hb_log("Error: Did not find the <cli> tag in the expected maximum amount of characters into the file. \n");
156 * Ok, The above code didn't position cur, it only found <cli so we need to shift cur along 3 places.
157 * After which, the next 10 characters are the build number
163 hb_log("Error: Unexpected end of buffer! Could not find the build information. \n");
167 /* Stable HB_PROJECT_BUILD */
168 i_vers = strtol( cur, &cur, 10 );
172 hb_log("Error: Unexpected end of buffer! \n");
177 * The Version number is 2 places after the build, so shift cur, 2 places.
178 * Get all the characters in cur until the point where " is found.
184 hb_log("Error: Unexpected end of buffer! Could not get version number. \n");
187 memset( s_vers, 0, sizeof( s_vers ) );
188 for( i = 0; i < sizeof( s_vers ) - 1 && cur < end && *cur != '"'; i++, cur++ )
192 /* If the CLI tag has not been found in the first 768 characters, or the end is reached, something bad happened.*/
195 hb_log("Error: Version number too long, or end of buffer reached. \n");
205 /* Print the version information */
206 hb_log( "latest: %s, build %d", s_vers, i_vers );
208 /* Return the build information */
209 if( i_vers > HB_PROJECT_BUILD )
211 memcpy( data->version, s_vers, sizeof(s_vers) );
212 *(data->build) = i_vers;