niansa-misc/wine
1
0
Fork 0
mirror of synced 2025-03-07 03:53:26 +01:00
Code Issues Projects Releases Packages Wiki Activity

msi: Create the custom action server as an elevated process.

Browse source 
Dragon Naturally Speaking 12.5 manually validates that the custom action server
is elevated.

One might imagine that the right approach here is to add a manifest to msiexec;
however, msiexec does not always trigger a UAC prompt on Windows.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=51143
This commit is contained in:
Zebediah Figura 2021-05-16 20:49:05 -05:00 • committed by Alexandre Julliard
parent b381f9d095
commit 366398cc53
1 changed files with 22 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

24
dlls/msi/custom.c
View file

@ -573,12 +573,28 @@ UINT CDECL __wine_msi_call_dll_function(DWORD client_pid, const GUID *guid)
return r;
}
static HANDLE get_admin_token(void)
{
TOKEN_ELEVATION_TYPE type;
TOKEN_LINKED_TOKEN linked;
DWORD size;
if (!GetTokenInformation(GetCurrentThreadEffectiveToken(), TokenElevationType, &type, sizeof(type), &size)
|| type == TokenElevationTypeFull)
return NULL;
if (!GetTokenInformation(GetCurrentThreadEffectiveToken(), TokenLinkedToken, &linked, sizeof(linked), &size))
return NULL;
return linked.LinkedToken;
}
static DWORD custom_start_server(MSIPACKAGE *package, DWORD arch)
{
WCHAR path[MAX_PATH], cmdline[MAX_PATH + 23];
PROCESS_INFORMATION pi = {0};
STARTUPINFOW si = {0};
WCHAR buffer[24];
HANDLE token;
void *cookie;
HANDLE pipe;
@ -600,14 +616,18 @@ static DWORD custom_start_server(MSIPACKAGE *package, DWORD arch)
lstrcatW(path, L"\\msiexec.exe");
swprintf(cmdline, ARRAY_SIZE(cmdline), L"%s -Embedding %d", path, GetCurrentProcessId());
token = get_admin_token();
if (is_wow64 && arch == SCS_64BIT_BINARY)
{
Wow64DisableWow64FsRedirection(&cookie);
CreateProcessW(path, cmdline, NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi);
CreateProcessAsUserW(token, path, cmdline, NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi);
Wow64RevertWow64FsRedirection(cookie);
}
else
CreateProcessW(path, cmdline, NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi);
CreateProcessAsUserW(token, path, cmdline, NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi);
if (token) CloseHandle(token);
CloseHandle(pi.hThread);