/*
* 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;
}
/*
* SV_Download_f
* Download command issued from server
*/
static void SV_Download_f( void )
{
qboolean success;
char *s;
char url[MAX_STRING_CHARS], filepath[MAX_QPATH], writepath[MAX_QPATH];
if( Cmd_Argc() != 2 )
{
Com_Printf( "Usage: %s <url>\n", Cmd_Argv( 0 ) );
Com_Printf( "Downloads .pk3 or .pak from URL to gamedir and adds it to the server\n" );
Com_Printf( "Note, server will not function properly while downloading\n" );
return;
}
s = Cmd_Argv( 1 );
if( !Com_GlobMatch( "*://*", s, qfalse ) )
Q_strncpyz( url, "http://", sizeof( url ) );
else
url[0] = 0;
Q_strncatz( url, s, sizeof( url ) );
s = strrchr( url, '/' );
if( !s )
{
Com_Printf( "%s: invalid URL\n", Cmd_Argv( 0 ) );
return;
}
Q_strncpyz( filepath, va( "%s/%s", FS_GameDirectory(), s + 1 ), sizeof( filepath ) );
Q_strncpyz( writepath, va( "%s.tmp", filepath ), sizeof( writepath ) );
if( !FS_CheckPakExtension( writepath ) )
{
Com_Printf( "Missing or invalid archive extension. Only download of pack files is supported\n" );
return;
}
Com_Printf( "download url: %s\n", url );
webDownloadPercentPrint = 0;
success = Web_Get( url, NULL, writepath, qtrue, 60 * 30, 60, SV_WebDownloadProgress, qfalse );
if( !success )
{
Com_Printf( "Server web download failed\n" );
return;
}
if( !FS_MoveBaseFile( writepath, filepath ) )
{
Com_Printf( "Couldn't rename the downloaded file. Download failed\n" );
return;
}
Com_Printf( "Download successful\n" );
// update the map list, which also does a filesystem rescan
ML_Update();
}
/*
* CL_CheckOrDownloadFile
*
* Returns true if the file exists or couldn't send download request
* Files with .pk3 or .pak extension have to have gamedir attached
* Other files must not have gamedir
*/
qboolean CL_CheckOrDownloadFile( const char *filename )
{
const char *ext;
if( !cl_downloads->integer )
return qtrue;
if( !COM_ValidateRelativeFilename( filename ) )
return qtrue;
ext = COM_FileExtension( filename );
if( !ext || !*ext )
return qtrue;
if( FS_CheckPakExtension( filename ) )
{
if( FS_FOpenBaseFile( filename, NULL, FS_READ ) != -1 )
return qtrue;
}
else
{
if( FS_FOpenFile( filename, NULL, FS_READ ) != -1 )
return qtrue;
}
if( !CL_DownloadRequest( filename, qtrue ) )
return qtrue;
cls.download.requestnext = qtrue; // call CL_RequestNextDownload when done
return qfalse;
}
/*
* CL_DownloadRequest
*
* Request file download
* return qfalse if couldn't request it for some reason
* Files with .pk3 or .pak extension have to have gamedir attached
* Other files must not have gamedir
*/
qboolean CL_DownloadRequest( const char *filename, qboolean requestpak )
{
if( cls.download.requestname )
{
Com_Printf( "Can't download: %s. Download already in progress.\n", filename );
return qfalse;
}
if( !COM_ValidateRelativeFilename( filename ) )
{
Com_Printf( "Can't download: %s. Invalid filename.\n", filename );
return qfalse;
}
if( FS_CheckPakExtension( filename ) )
{
if( FS_FOpenBaseFile( filename, NULL, FS_READ ) != -1 )
{
Com_Printf( "Can't download: %s. File already exists.\n", filename );
return qfalse;
}
if( !Q_strnicmp( COM_FileBase( filename ), "modules", strlen( "modules" ) ) )
{
if( !CL_CanDownloadModules() )
return qfalse;
}
}
else
{
if( FS_FOpenFile( filename, NULL, FS_READ ) != -1 )
{
Com_Printf( "Can't download: %s. File already exists.\n", filename );
return qfalse;
}
}
if( cls.socket->type == SOCKET_LOOPBACK )
{
Com_DPrintf( "Can't download: %s. Loopback server.\n", filename );
return qfalse;
}
Com_Printf( "Asking to download: %s\n", filename );
cls.download.requestpak = requestpak;
cls.download.requestname = Mem_ZoneMalloc( sizeof( char ) * ( strlen( filename ) + 1 ) );
Q_strncpyz( cls.download.requestname, filename, sizeof( char ) * ( strlen( filename ) + 1 ) );
cls.download.timeout = Sys_Milliseconds() + 5000;
CL_AddReliableCommand( va( "download %i \"%s\"", requestpak, filename ) );
return qtrue;
}
static qboolean SV_FilenameForDownloadRequest( const char *requestname, qboolean requestpak,
const char **uploadname, const char **errormsg )
{
if( FS_CheckPakExtension( requestname ) )
{
if( !requestpak )
{
*errormsg = "Pak file requested as a non pak file";
return qfalse;
}
if( FS_FOpenBaseFile( requestname, NULL, FS_READ ) == -1 )
{
*errormsg = "File not found";
return qfalse;
}
*uploadname = requestname;
}
else
{
if( FS_FOpenFile( requestname, NULL, FS_READ ) == -1 )
{
*errormsg = "File not found";
return qfalse;
}
// check if file is inside a PAK
if( requestpak )
{
*uploadname = FS_PakNameForFile( requestname );
if( !*uploadname )
{
*errormsg = "File not available in pack";
return qfalse;
}
}
else
{
*uploadname = FS_BaseNameForFile( requestname );
if( !*uploadname )
{
*errormsg = "File only available in pack";
return qfalse;
}
}
}
return qtrue;
}
/*
* 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_BeginDownload_f
* Responds to reliable download packet with reliable initdownload packet
*/
static void SV_BeginDownload_f( client_t *client )
{
const char *requestname;
const char *uploadname;
size_t alloc_size;
unsigned checksum;
char *url;
const char *errormsg = NULL;
qboolean allow, requestpak;
qboolean local_http = SV_Web_Running() && sv_uploads_http->integer != 0;
requestpak = ( atoi( Cmd_Argv( 1 ) ) == 1 );
requestname = Cmd_Argv( 2 );
if( !requestname[0] || !COM_ValidateRelativeFilename( requestname ) )
{
SV_DenyDownload( client, "Invalid filename" );
return;
}
if( !SV_FilenameForDownloadRequest( requestname, requestpak, &uploadname, &errormsg ) ) {
assert( errormsg != NULL );
SV_DenyDownload( client, errormsg );
return;
}
if( FS_CheckPakExtension( uploadname ) )
{
allow = qfalse;
// allow downloading paks from the pure list, if not spawned
if( client->state < CS_SPAWNED )
{
purelist_t *purefile;
purefile = svs.purelist;
while( purefile )
{
if( !strcmp( uploadname, purefile->filename ) )
{
allow = qtrue;
break;
}
purefile = purefile->next;
}
}
// game module has a change to allow extra downloads
if( !allow && !SV_GameAllowDownload( client, requestname, uploadname ) )
{
SV_DenyDownload( client, "Downloading of this file is not allowed" );
return;
}
}
else
{
if( !SV_GameAllowDownload( client, requestname, uploadname ) )
{
SV_DenyDownload( client, "Downloading of this file is not allowed" );
return;
}
}
// we will just overwrite old download, if any
if( client->download.name )
{
if( client->download.data )
{
FS_FreeBaseFile( client->download.data );
client->download.data = NULL;
}
Mem_ZoneFree( client->download.name );
client->download.name = NULL;
client->download.size = 0;
client->download.timeout = 0;
}
client->download.size = FS_LoadBaseFile( uploadname, NULL, NULL, 0 );
if( client->download.size == -1 )
{
Com_Printf( "Error getting size of %s for uploading\n", uploadname );
client->download.size = 0;
SV_DenyDownload( client, "Error getting file size" );
return;
}
checksum = FS_ChecksumBaseFile( uploadname );
client->download.timeout = svs.realtime + 1000 * 60 * 60; // this is web download timeout
alloc_size = sizeof( char ) * ( strlen( uploadname ) + 1 );
client->download.name = Mem_ZoneMalloc( alloc_size );
Q_strncpyz( client->download.name, uploadname, alloc_size );
Com_Printf( "Offering %s to %s\n", client->download.name, client->name );
if( FS_CheckPakExtension( uploadname ) && ( local_http || sv_uploads_baseurl->string[0] != 0 ) )
{
// .pk3 and .pak download from the web
if( local_http )
{
url = TempCopyString( va( "files/%s", uploadname ) );
}
else
{
alloc_size = sizeof( char ) * ( strlen( sv_uploads_baseurl->string ) + 1 );
url = Mem_TempMalloc( alloc_size );
Q_snprintfz( url, alloc_size, "%s/", sv_uploads_baseurl->string );
}
}
else if( SV_IsDemoDownloadRequest( requestname ) && ( local_http || sv_uploads_demos_baseurl->string[0] != 0 ) )
{
// demo file download from the web
if( local_http )
{
url = TempCopyString( va( "files/%s", uploadname ) );
}
else
{
alloc_size = sizeof( char ) * ( strlen( sv_uploads_demos_baseurl->string ) + 1 );
url = Mem_TempMalloc( alloc_size );
Q_snprintfz( url, alloc_size, "%s/", sv_uploads_demos_baseurl->string );
}
}
else
{
url = NULL;
}
// start the download
SV_InitClientMessage( client, &tmpMessage, NULL, 0 );
SV_SendServerCommand( client, "initdownload \"%s\" %i %u %i \"%s\"", client->download.name,
client->download.size, checksum, local_http ? 1 : 0, ( url ? url : "" ) );
SV_AddReliableCommandsToMessage( client, &tmpMessage );
SV_SendMessageToClient( client, &tmpMessage );
if( url )
{
Mem_TempFree( url );
url = NULL;
}
}
/*
* CL_InitDownload_f
*
* Hanldles server's initdownload message, starts web or server download if possible
*/
static void CL_InitDownload_f( void )
{
const char *filename;
const char *url;
int size, alloc_size;
unsigned checksum;
qboolean allow_localhttpdownload;
download_list_t *dl;
// ignore download commands coming from demo files
if( cls.demo.playing )
return;
// read the data
filename = Cmd_Argv( 1 );
size = atoi( Cmd_Argv( 2 ) );
checksum = strtoul( Cmd_Argv( 3 ), NULL, 10 );
allow_localhttpdownload = ( atoi( Cmd_Argv( 4 ) ) != 0 ) && cls.httpbaseurl != NULL;
url = Cmd_Argv( 5 );
if( !cls.download.requestname )
{
Com_Printf( "Got init download message without request\n" );
return;
}
if( cls.download.filenum || cls.download.web )
{
Com_Printf( "Got init download message while already downloading\n" );
return;
}
if( size == -1 )
{
// means that download was refused
Com_Printf( "Server refused download request: %s\n", url ); // if it's refused, url field holds the reason
CL_DownloadDone();
return;
}
if( size <= 0 )
{
Com_Printf( "Server gave invalid size, not downloading\n" );
CL_DownloadDone();
return;
}
if( checksum == 0 )
{
Com_Printf( "Server didn't provide checksum, not downloading\n" );
CL_DownloadDone();
return;
}
if( !COM_ValidateRelativeFilename( filename ) )
{
Com_Printf( "Not downloading, invalid filename: %s\n", filename );
CL_DownloadDone();
return;
}
if( FS_CheckPakExtension( filename ) && !cls.download.requestpak )
{
Com_Printf( "Got a pak file when requesting normal one, not downloading\n" );
CL_DownloadDone();
return;
}
if( !FS_CheckPakExtension( filename ) && cls.download.requestpak )
{
Com_Printf( "Got a non pak file when requesting pak, not downloading\n" );
CL_DownloadDone();
return;
}
if( !strchr( filename, '/' ) )
{
Com_Printf( "Refusing to download file with no gamedir: %s\n", filename );
CL_DownloadDone();
return;
}
// check that it is in game or basegame dir
if( strlen( filename ) < strlen( FS_GameDirectory() )+1 ||
strncmp( filename, FS_GameDirectory(), strlen( FS_GameDirectory() ) ) ||
filename[strlen( FS_GameDirectory() )] != '/' )
{
if( strlen( filename ) < strlen( FS_BaseGameDirectory() )+1 ||
strncmp( filename, FS_BaseGameDirectory(), strlen( FS_BaseGameDirectory() ) ) ||
filename[strlen( FS_BaseGameDirectory() )] != '/' )
{
Com_Printf( "Can't download, invalid game directory: %s\n", filename );
CL_DownloadDone();
return;
}
}
if( FS_CheckPakExtension( filename ) )
{
if( strchr( strchr( filename, '/' ) + 1, '/' ) )
{
Com_Printf( "Refusing to download pack file to subdirectory: %s\n", filename );
CL_DownloadDone();
return;
}
if( !Q_strnicmp( COM_FileBase( filename ), "modules", strlen( "modules" ) ) )
{
if( !CL_CanDownloadModules() )
{
CL_DownloadDone();
return;
}
}
if( FS_FOpenBaseFile( filename, NULL, FS_READ ) != -1 )
{
Com_Printf( "Can't download, file already exists: %s\n", filename );
CL_DownloadDone();
return;
}
}
else
{
if( strcmp( cls.download.requestname, strchr( filename, '/' ) + 1 ) )
{
Com_Printf( "Can't download, got different file than requested: %s\n", filename );
CL_DownloadDone();
return;
}
}
if( cls.download.requestnext )
{
dl = cls.download.list;
while( dl != NULL )
{
if( !Q_stricmp( dl->filename, filename ) )
{
Com_Printf( "Skipping, already tried downloading: %s\n", filename );
CL_DownloadDone();
return;
}
dl = dl->next;
}
}
cls.download.name = ZoneCopyString( filename );
alloc_size = strlen( filename ) + strlen( ".tmp" ) + 1;
cls.download.tempname = Mem_ZoneMalloc( alloc_size );
Q_snprintfz( cls.download.tempname, alloc_size, "%s.tmp", filename );
cls.download.web = qfalse;
cls.download.cancelled = qfalse;
cls.download.disconnect = qfalse;
cls.download.size = size;
cls.download.checksum = checksum;
cls.download.percent = 0;
cls.download.timeout = 0;
cls.download.retries = 0;
cls.download.timestart = Sys_Milliseconds();
cls.download.offset = 0;
cls.download.baseoffset = 0;
cls.download.pending_reconnect = qfalse;
Cvar_ForceSet( "cl_download_name", COM_FileBase( cls.download.name ) );
Cvar_ForceSet( "cl_download_percent", "0" );
if( cls.download.requestnext )
{
dl = Mem_ZoneMalloc( sizeof( download_list_t ) );
dl->filename = ZoneCopyString( cls.download.name );
dl->next = cls.download.list;
cls.download.list = dl;
}
if( cl_downloads_from_web->integer && allow_localhttpdownload && url && url[0] != 0 ) {
cls.download.web = qtrue;
Com_Printf( "Web download: %s from %s%s\n", cls.download.tempname, cls.httpbaseurl, url );
}
else if( cl_downloads_from_web->integer && url && url[0] != 0 ) {
cls.download.web = qtrue;
Com_Printf( "Web download: %s from %s\n", cls.download.tempname, url );
}
else {
Com_Printf( "Server download: %s\n", cls.download.tempname );
}
cls.download.baseoffset = cls.download.offset = FS_FOpenBaseFile( cls.download.tempname, &cls.download.filenum, FS_APPEND );
if( !cls.download.filenum )
{
Com_Printf( "Can't download, couldn't open %s for writing\n", cls.download.tempname );
Mem_ZoneFree( cls.download.name );
cls.download.name = NULL;
Mem_ZoneFree( cls.download.tempname );
cls.download.tempname = NULL;
cls.download.filenum = 0;
cls.download.offset = 0;
cls.download.size = 0;
CL_DownloadDone();
return;
}
if( cls.download.web ) {
char *referer, *fullurl;
const char *headers[] = { NULL, NULL, NULL, NULL, NULL, NULL, NULL };
alloc_size = strlen( APP_URI_SCHEME ) + strlen( NET_AddressToString( &cls.serveraddress ) ) + 1;
referer = Mem_ZoneMalloc( alloc_size );
Q_snprintfz( referer, alloc_size, APP_URI_SCHEME "%s", NET_AddressToString( &cls.serveraddress ) );
Q_strlwr( referer );
if( allow_localhttpdownload ) {
alloc_size = strlen( cls.httpbaseurl ) + 1 + strlen( url ) + 1;
fullurl = Mem_ZoneMalloc( alloc_size );
Q_snprintfz( fullurl, alloc_size, "%s/%s", cls.httpbaseurl, url );
}
else {
size_t url_len = strlen( url );
alloc_size = url_len + 1 + strlen( filename ) * 3 + 1;
fullurl = Mem_ZoneMalloc( alloc_size );
Q_snprintfz( fullurl, alloc_size, "%s/", url );
Q_urlencode_unsafechars( filename, fullurl + url_len + 1, alloc_size - url_len - 1 );
}
headers[0] = "Referer";
headers[1] = referer;
CL_AddSessionHttpRequestHeaders( fullurl, &headers[2] );
CL_AsyncStreamRequest( fullurl, headers, cl_downloads_from_web_timeout->integer / 100, cls.download.offset,
CL_WebDownloadReadCb, CL_WebDownloadDoneCb, NULL, NULL, qfalse );
Mem_ZoneFree( fullurl );
Mem_ZoneFree( referer );
return;
}
// have to use Sys_Milliseconds because cls.realtime might be old from Web_Get
cls.download.timeout = Sys_Milliseconds() + 3000;
cls.download.retries = 0;
CL_AddReliableCommand( va( "nextdl \"%s\" %i", cls.download.name, cls.download.offset ) );
}
/*
* CL_DownloadRequest
*
* Request file download
* return false if couldn't request it for some reason
* Files with .pk3 or .pak extension have to have gamedir attached
* Other files must not have gamedir
*/
bool CL_DownloadRequest( const char *filename, bool requestpak )
{
if( cls.download.requestname )
{
Com_Printf( "Can't download: %s. Download already in progress.\n", filename );
return false;
}
if( !COM_ValidateRelativeFilename( filename ) )
{
Com_Printf( "Can't download: %s. Invalid filename.\n", filename );
return false;
}
if( FS_CheckPakExtension( filename ) )
{
if( FS_PakFileExists( filename ) )
{
Com_Printf( "Can't download: %s. File already exists.\n", filename );
return false;
}
if( !Q_strnicmp( COM_FileBase( filename ), "modules", strlen( "modules" ) ) )
{
if( !CL_CanDownloadModules() )
return false;
}
}
else
{
if( FS_FOpenFile( filename, NULL, FS_READ ) != -1 )
{
Com_Printf( "Can't download: %s. File already exists.\n", filename );
return false;
}
if( !requestpak ) {
const char *extension;
// only allow demo downloads
extension = COM_FileExtension( filename );
if( !extension || Q_stricmp( extension, APP_DEMO_EXTENSION_STR ) )
{
Com_Printf( "Can't download, got arbitrary file type: %s\n", filename );
return false;
}
}
}
if( cls.socket->type == SOCKET_LOOPBACK )
{
Com_DPrintf( "Can't download: %s. Loopback server.\n", filename );
return false;
}
Com_Printf( "Asking to download: %s\n", filename );
cls.download.requestpak = requestpak;
cls.download.requestname = Mem_ZoneMalloc( sizeof( char ) * ( strlen( filename ) + 1 ) );
Q_strncpyz( cls.download.requestname, filename, sizeof( char ) * ( strlen( filename ) + 1 ) );
cls.download.timeout = Sys_Milliseconds() + 5000;
CL_AddReliableCommand( va( "download %i \"%s\"", requestpak, filename ) );
return true;
}
