/*
* CL_DownloadComplete
*
* Checks downloaded file's checksum, renames it and adds to the filesystem.
*/
static void CL_DownloadComplete( void )
{
unsigned checksum = 0;
int length;
qboolean updateMapList = qfalse;
FS_FCloseFile( cls.download.filenum );
cls.download.filenum = 0;
// verify checksum
if( FS_CheckPakExtension( cls.download.name ) )
{
if( !FS_IsPakValid( cls.download.tempname, &checksum ) )
{
Com_Printf( "Downloaded file is not a valid pack file. Removing\n" );
FS_RemoveBaseFile( cls.download.tempname );
return;
}
}
else
{
length = FS_LoadBaseFile( cls.download.tempname, NULL, NULL, 0 );
if( length < 0 )
{
Com_Printf( "Error: Couldn't load downloaded file\n" );
return;
}
checksum = FS_ChecksumBaseFile( cls.download.tempname );
}
if( cls.download.checksum != checksum )
{
Com_Printf( "Downloaded file has wrong checksum. Removing: %u %u %s\n", cls.download.checksum, checksum, cls.download.tempname );
FS_RemoveBaseFile( cls.download.tempname );
return;
}
if( !FS_MoveBaseFile( cls.download.tempname, cls.download.name ) )
{
Com_Printf( "Failed to rename the downloaded file\n" );
return;
}
if( FS_CheckPakExtension( cls.download.name ) )
updateMapList = qtrue;
else if( !Q_stricmp( COM_FileExtension( cls.download.name ), ".bsp" ) )
updateMapList = qtrue;
// Maplist hook so we also know when a new map is added
if( updateMapList )
ML_Update ();
cls.download.successCount++;
cls.download.timeout = 0;
}
/*
* CL_StopServerDownload
*/
void CL_StopServerDownload( void )
{
if( cls.download.filenum > 0 ) {
FS_FCloseFile( cls.download.filenum );
cls.download.filenum = 0;
}
if( cls.download.cancelled ) {
FS_RemoveBaseFile( cls.download.tempname );
}
Mem_ZoneFree( cls.download.name );
cls.download.name = NULL;
Mem_ZoneFree( cls.download.tempname );
cls.download.tempname = NULL;
cls.download.offset = 0;
cls.download.size = 0;
cls.download.percent = 0;
cls.download.timeout = 0;
cls.download.retries = 0;
cls.download.web = qfalse;
Cvar_ForceSet( "cl_download_name", "" );
Cvar_ForceSet( "cl_download_percent", "0" );
}
/*
* SV_AutoUpdateFromWeb
*/
void SV_AutoUpdateFromWeb( qboolean checkOnly )
{
static const char *autoUpdateBaseUrl = APP_UPDATE_URL APP_SERVER_UPDATE_DIRECTORY;
char checksumString1[32], checksumString2[32];
unsigned int checksum;
qboolean success;
int length, filenum;
qbyte *data;
const char *token, *ptr;
char path[MAX_QPATH];
int downloadCount = 0, downloadFailed = 0;
char newVersionTag[MAX_QPATH];
qboolean newVersion = qfalse;
if( !dedicated->integer )
return;
assert( svs.mapcmd[0] );
if( !checkOnly )
SV_UpdateActivity();
Com_Printf( "\n" );
Com_Printf( "========== Starting Auto Update ===========\n" );
Com_Printf( "Checking for updates\n" );
// download the update file list
success = SV_WebDownload( autoUpdateBaseUrl, APP_SERVER_UPDATE_FILE, qtrue, qtrue );
// set as last updated today
if( !checkOnly )
Cvar_ForceSet( "sv_lastAutoUpdate", va( "%i", (int)Com_DaysSince1900() ) );
if( !success ) // no update to do
goto done;
// read the file list
if( ( length = FS_FOpenBaseFile( APP_SERVER_UPDATE_FILE, &filenum, FS_READ ) ) == -1 )
{
Com_Printf( "WARNING: Couldn't find %s\n", path );
goto done;
}
if( !length )
{
FS_FCloseFile( filenum );
goto done;
}
data = Mem_TempMalloc( length + 1 );
FS_Read( data, length, filenum );
FS_FCloseFile( filenum );
FS_RemoveBaseFile( APP_SERVER_UPDATE_FILE );
ptr = (const char *)data;
// first token is always the current release version
token = COM_ParseExt( &ptr, qtrue );
if( !token[0] )
goto cancel;
// compare versions
Q_strncpyz( newVersionTag, token, sizeof( newVersionTag ) );
if( atof( newVersionTag ) > atof( va( "%4.3f", APP_VERSION ) ) )
newVersion = qtrue;
while( ptr )
{
// we got what should be a checksum
token = COM_ParseExt( &ptr, qtrue );
if( !token[0] )
goto cancel;
// copy checksum reported by server
Q_strncpyz( checksumString1, token, sizeof( checksumString1 ) );
// get filename
token = COM_ParseExt( &ptr, qtrue );
if( !token[0] )
goto cancel;
// filename should never begin with a slash
if( token[0] == '/' )
token++;
Q_strncpyz( path, token, sizeof( path ) );
// we got what should be a file path
if( !COM_ValidateRelativeFilename( path ) )
{
Com_Printf( "WARNING: Invalid filename %s\n", path );
continue;
}
checksum = FS_ChecksumBaseFile( path );
Q_snprintfz( checksumString2, sizeof( checksumString2 ), "%u", checksum );
// if same checksum no need to update
if( !strcmp( checksumString1, checksumString2 ) )
continue;
// if it's a pack file and the file exists it can't be replaced, so skip
if( FS_CheckPakExtension( path ) && checksum )
{
Com_Printf( "WARNING: Purity check failed for: %s\n", path );
Com_Printf( "WARNING: This file has been locally modified. It is highly \n" );
Com_Printf( "WARNING: recommended to restore the original file.\n" );
Com_Printf( "WARNING: Reinstalling \""APPLICATION"\" might be convenient.\n" );
continue;
}
if( checkOnly )
{
Com_Printf( "File update available : %s\n", path );
continue;
}
if( developer->integer )
Com_Printf( "Downloading update of %s (checksum %s local checksum %s)\n", path, checksumString1, checksumString2 );
else
Com_Printf( "Updating %s\n", path );
if( !SV_WebDownload( autoUpdateBaseUrl, path, qtrue, qtrue ) )
{
Com_Printf( "Failed to update %s\n", path );
downloadFailed++;
}
downloadCount++;
}
cancel:
Mem_TempFree( data );
done:
if( newVersion )
{
if( downloadCount )
{
if( downloadFailed )
Com_Printf( "This version of "APPLICATION" was updated incompletely\n" );
else
Com_Printf( "This version of "APPLICATION" was updated successfully\n\n" );
}
Com_Printf( "****** Version %s of "APPLICATION" is available. ******\n", newVersionTag );
Com_Printf( "****** Please download the new version at "APP_URL" ******\n" );
}
else if( downloadCount )
{
if( downloadFailed )
Com_Printf( APPLICATION" was updated incompletely\n" );
else
Com_Printf( APPLICATION" was updated successfully\n" );
}
else if( !checkOnly )
{
if( downloadFailed )
Com_Printf( "At least one file failed to update\n" );
else
Com_Printf( APPLICATION" is up to date\n" );
}
Com_Printf( "========== Auto Update Finished ===========\n" );
Com_Printf( "\n" );
// update the map list, which also does a filesystem rescan
ML_Update();
// if there are any new filesystem entries, restart
if( FS_GetNotifications() & FS_NOTIFT_NEWPAKS )
{
if( sv.state != ss_dead )
{
// restart the current map, SV_Map also rescans the filesystem
Com_Printf( "The server will now restart...\n\n" );
// start the default map if current map isn't available
Cbuf_ExecuteText( EXEC_APPEND, va( "map %s\n", svs.mapcmd[0] ? svs.mapcmd : sv_defaultmap->string ) );
}
}
}
/*
* SV_WebDownload
*/
static qboolean SV_WebDownload( const char *baseUrl, const char *filepath, qboolean overwrite, qboolean silent )
{
qboolean success;
int alloc_size;
char *temppath, *writepath, *url;
if( developer->integer )
silent = qfalse;
if( !baseUrl || !baseUrl[0] || !filepath )
return qfalse;
if( !strrchr( baseUrl, '/' ) )
{
if( !silent )
Com_Printf( "SV_WebDownload: Invalid URL\n" );
return qfalse;
}
if( filepath[0] == '/' ) // filepath should never begin with a slash
filepath++;
if( !COM_ValidateRelativeFilename( filepath ) )
{
if( !silent )
Com_Printf( "SV_WebDownload: Invalid filename\n" );
return qfalse;
}
if( !COM_FileExtension( filepath ) )
{
if( !silent )
Com_Printf( "SV_WebDownload: no file extension\n" );
return qfalse;
}
// full url (baseurl + path)
alloc_size = strlen( baseUrl ) + 1 + strlen( filepath ) + 1;
url = Mem_TempMalloc( alloc_size );
if( baseUrl[ strlen( baseUrl ) - 1 ] == '/' ) // url includes last slash
Q_snprintfz( url, alloc_size, "%s%s", baseUrl, filepath );
else
Q_snprintfz( url, alloc_size, "%s/%s", baseUrl, filepath );
// add .tmp (relative + .tmp)
alloc_size = strlen( filepath ) + strlen( ".tmp" ) + 1;
temppath = Mem_TempMalloc( alloc_size );
Q_snprintfz( temppath, alloc_size, "%s.tmp", filepath );
// full write path for curl
alloc_size = strlen( FS_WriteDirectory() ) + 1 + strlen( temppath ) + 1;
writepath = Mem_TempMalloc( alloc_size );
Q_snprintfz( writepath, alloc_size, "%s/%s", FS_WriteDirectory(), temppath );
webDownloadPercentPrint = 0;
webDownloadPercentStarted = qfalse;
success = Web_Get( url, NULL, writepath, qtrue, 60 * 30, 60, SV_WebDownloadProgress, qfalse );
if( webDownloadPercentStarted )
Com_Printf( "\n" );
if( !success )
{
if( !silent )
Com_Printf( "Failed to download remote file.\n" );
goto failed;
}
// rename the downloaded file
if( !FS_MoveBaseFile( temppath, filepath ) )
{
if( !overwrite )
{
if( !silent )
Com_Printf( "Failed to rename temporary file.\n" );
goto failed;
}
// check if it failed because there already exists a file with the same name
// and in this case remove this file
if( FS_FOpenBaseFile( filepath, NULL, FS_READ ) != -1 )
{
char *backfile;
alloc_size = strlen( filepath ) + strlen( ".bak" ) + 1;
backfile = Mem_TempMalloc( alloc_size );
Q_snprintfz( backfile, alloc_size, "%s.bak", filepath );
// if there is already a .bak file, destroy it
if( FS_FOpenBaseFile( backfile, NULL, FS_READ ) != -1 )
FS_RemoveBaseFile( backfile );
// move the current file into .bak file
if( !FS_MoveBaseFile( filepath, backfile ) )
{
Mem_TempFree( backfile );
if( !silent )
Com_Printf( "Failed to backup destination file.\n" );
goto failed;
}
// now try renaming the downloaded file again
if( !FS_MoveBaseFile( temppath, filepath ) )
{
// didn't work, so restore the backup file
if( FS_MoveBaseFile( backfile, filepath ) )
{
if( !silent )
Com_Printf( "Failed to rename temporary file, restoring from backup.\n" );
}
else
{
if( !silent )
Com_Printf( "Failed to rename temporary file and restore from backup.\n" );
}
Mem_TempFree( backfile );
goto failed;
}
Mem_TempFree( backfile );
}
}
Mem_TempFree( temppath );
Mem_TempFree( writepath );
Mem_TempFree( url );
return qtrue;
failed:
if( !silent )
Com_Printf( "Removing temporary file: %s\n", writepath );
FS_RemoveAbsoluteFile( writepath );
Mem_TempFree( temppath );
Mem_TempFree( writepath );
Mem_TempFree( url );
return qfalse;
}