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

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Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=51143
Signed-off-by: Zebediah Figura <z.figura12@gmail.com>

wine-staging patch by Zebediah Figura <z.figura12@gmail.com>
This commit is contained in:
winesync 2022-03-14 21:57:22 +01:00 committed by Mark Jansen
parent 48d97683b3
commit 3b5586f635
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GPG key ID: B39240EE84BEAE8B
2 changed files with 90 additions and 2 deletions
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31
dll/win32/msi/custom.c
View file

@ -593,12 +593,35 @@ 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;
#ifdef __REACTOS__
#ifndef GetCurrentThreadEffectiveToken
#define GetCurrentProcessToken() ((HANDLE)~(ULONG_PTR)3)
#define GetCurrentThreadEffectiveToken() GetCurrentProcessToken()
#endif
#endif
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;
@ -620,14 +643,18 @@ 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);

61
sdk/tools/winesync/msi_staging/0002-msi__Create_the_custom_action_server_as_an_elevated_process.diff Normal file
View file

@ -0,0 +1,61 @@
diff --git a/dll/win32/msi/custom.c b/dll/win32/msi/custom.c
index 143de262971..f29699bd54b 100644
--- a/dll/win32/msi/custom.c
+++ b/dll/win32/msi/custom.c
@@ -593,12 +593,35 @@ 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;
+
+#ifdef __REACTOS__
+#ifndef GetCurrentThreadEffectiveToken
+#define GetCurrentProcessToken() ((HANDLE)~(ULONG_PTR)3)
+#define GetCurrentThreadEffectiveToken() GetCurrentProcessToken()
+#endif
+#endif
+
+ 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;
@@ -620,14 +643,18 @@ 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);