/*
===============
HTTP_QueueDownload
Called from the precache check to queue a download. Return value of
Q_ERR_NOSYS will cause standard UDP downloading to be used instead.
===============
*/
qerror_t HTTP_QueueDownload(const char *path, dltype_t type)
{
size_t len;
qboolean need_list;
char temp[MAX_QPATH];
qerror_t ret;
// no http server (or we got booted)
if (!curl_multi || !cl_http_downloads->integer)
return Q_ERR_NOSYS;
// first download queued, so we want the mod filelist
need_list = LIST_EMPTY(&cls.download.queue);
ret = CL_QueueDownload(path, type);
if (ret) {
return ret;
}
if (!cl_http_filelists->integer)
return Q_ERR_SUCCESS;
if (need_list) {
//grab the filelist
len = Q_snprintf(temp, sizeof(temp), "%s.filelist", http_gamedir());
if (len < sizeof(temp))
CL_QueueDownload(temp, DL_LIST);
//this is a nasty hack to let the server know what we're doing so admins don't
//get confused by a ton of people stuck in CNCT state. it's assumed the server
//is running r1q2 if we're even able to do http downloading so hopefully this
//won't spew an error msg.
CL_ClientCommand("download http\n");
}
//special case for map file lists, i really wanted a server-push mechanism for this, but oh well
len = strlen(path);
if (len > 4 && !Q_stricmp(path + len - 4, ".bsp")) {
len = Q_snprintf(temp, sizeof(temp), "%s/%s", http_gamedir(), path);
if (len < sizeof(temp) - 5) {
memcpy(temp + len - 4, ".filelist", 10);
CL_QueueDownload(temp, DL_LIST);
}
}
return Q_ERR_SUCCESS;
}
bool Bootstrap_UpdateEXE(int exeSize)
{
const char* fn = _tempnam(NULL, "cup");
CL_QueueDownload(va(CONTENT_URL "/%s/bootstrap/CitizenFX.exe.xz", GetUpdateChannel()), fn, exeSize, true);
UI_DoCreation();
if (!DL_RunLoop())
{
UI_DoDestruction();
return false;
}
UI_DoDestruction();
// verify the signature on the EXE
wchar_t wfn[512];
MultiByteToWideChar(CP_ACP, 0, fn, -1, wfn, 512);
WINTRUST_FILE_INFO info;
memset(&info, 0, sizeof(info));
info.cbStruct = sizeof(info);
info.pcwszFilePath = wfn;
info.hFile = NULL;
info.pgKnownSubject = NULL;
GUID WVTPolicyGUID = WINTRUST_ACTION_GENERIC_VERIFY_V2;
WINTRUST_DATA data;
memset(&data, 0, sizeof(data));
data.cbStruct = sizeof(data);
data.pPolicyCallbackData = NULL;
data.pSIPClientData = NULL;
data.dwUIChoice = WTD_UI_NONE;
data.fdwRevocationChecks = WTD_REVOKE_NONE;
data.dwUnionChoice = WTD_CHOICE_FILE;
data.dwStateAction = 0;
data.hWVTStateData = NULL;
data.pwszURLReference = NULL;
data.dwUIContext = 0;
data.pFile = &info;
LONG status = WinVerifyTrust(NULL, &WVTPolicyGUID, &data);
if (status != ERROR_SUCCESS)
{
//MessageBox(NULL, va(L"A trust chain error occurred in the downloaded rtcg.exe. The specific error code is 0x%08x.", status), L"O\x448\x438\x431\x43A\x430", MB_OK | MB_ICONSTOP);
//return false;
}
wchar_t exePath[512];
GetModuleFileName(GetModuleHandle(NULL), exePath, sizeof(exePath) / 2);
STARTUPINFO startupInfo;
memset(&startupInfo, 0, sizeof(startupInfo));
startupInfo.cb = sizeof(startupInfo);
startupInfo.wShowWindow = SW_HIDE;
startupInfo.dwFlags |= STARTF_USESHOWWINDOW;
PROCESS_INFORMATION processInfo;
CreateProcess(wfn, (LPWSTR)va(L"%s -bootstrap \"%s\"", wfn, exePath), NULL, NULL, FALSE, 0, NULL, NULL, &startupInfo, &processInfo);
return false;
}
// Validate a path supplied by a filelist.
static void check_and_queue_download(char *path)
{
size_t len;
char *ext;
dltype_t type;
unsigned flags;
int valid;
len = strlen(path);
if (len >= MAX_QPATH)
return;
ext = strrchr(path, '.');
if (!ext)
return;
ext++;
if (!ext[0])
return;
Q_strlwr(ext);
if (!strcmp(ext, "pak") || !strcmp(ext, "pkz")) {
Com_Printf("[HTTP] Filelist is requesting a .%s file '%s'\n", ext, path);
type = DL_PAK;
} else {
type = DL_OTHER;
if (!CL_CheckDownloadExtension(ext)) {
Com_WPrintf("[HTTP] Illegal file type '%s' in filelist.\n", path);
return;
}
}
if (path[0] == '@') {
if (type == DL_PAK) {
Com_WPrintf("[HTTP] '@' prefix used on a pak file '%s' in filelist.\n", path);
return;
}
flags = FS_PATH_GAME;
path++;
len--;
} else if (type == DL_PAK) {
//by definition paks are game-local
flags = FS_PATH_GAME | FS_TYPE_REAL;
} else {
flags = 0;
}
len = FS_NormalizePath(path, path);
if (len == 0)
return;
valid = FS_ValidatePath(path);
if (valid == PATH_INVALID ||
!Q_ispath(path[0]) ||
!Q_ispath(path[len - 1]) ||
strstr(path, "..") ||
(type == DL_OTHER && !strchr(path, '/')) ||
(type == DL_PAK && strchr(path, '/'))) {
Com_WPrintf("[HTTP] Illegal path '%s' in filelist.\n", path);
return;
}
if (FS_FileExistsEx(path, flags))
return;
if (valid == PATH_MIXED_CASE)
Q_strlwr(path);
if (CL_IgnoreDownload(path))
return;
CL_QueueDownload(path, type);
}
