mirror of
https://github.com/reactos/reactos.git
synced 2024-09-16 07:39:32 +00:00
62 lines
2 KiB
Diff
62 lines
2 KiB
Diff
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diff --git a/dll/win32/msi/custom.c b/dll/win32/msi/custom.c
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index 143de262971..f29699bd54b 100644
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--- a/dll/win32/msi/custom.c
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+++ b/dll/win32/msi/custom.c
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@@ -593,12 +593,35 @@ UINT CDECL __wine_msi_call_dll_function(DWORD client_pid, const GUID *guid)
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return r;
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}
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+static HANDLE get_admin_token(void)
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+{
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+ TOKEN_ELEVATION_TYPE type;
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+ TOKEN_LINKED_TOKEN linked;
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+ DWORD size;
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+
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+#ifdef __REACTOS__
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+#ifndef GetCurrentThreadEffectiveToken
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+#define GetCurrentProcessToken() ((HANDLE)~(ULONG_PTR)3)
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+#define GetCurrentThreadEffectiveToken() GetCurrentProcessToken()
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+#endif
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+#endif
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+
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+ if (!GetTokenInformation(GetCurrentThreadEffectiveToken(), TokenElevationType, &type, sizeof(type), &size)
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+ || type == TokenElevationTypeFull)
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+ return NULL;
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+
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+ if (!GetTokenInformation(GetCurrentThreadEffectiveToken(), TokenLinkedToken, &linked, sizeof(linked), &size))
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+ return NULL;
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+ return linked.LinkedToken;
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+}
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+
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static DWORD custom_start_server(MSIPACKAGE *package, DWORD arch)
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{
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WCHAR path[MAX_PATH], cmdline[MAX_PATH + 23];
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PROCESS_INFORMATION pi = {0};
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STARTUPINFOW si = {0};
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WCHAR buffer[24];
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+ HANDLE token;
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void *cookie;
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HANDLE pipe;
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@@ -620,14 +643,18 @@ static DWORD custom_start_server(MSIPACKAGE *package, DWORD arch)
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lstrcatW(path, L"\\msiexec.exe");
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swprintf(cmdline, ARRAY_SIZE(cmdline), L"%s -Embedding %d", path, GetCurrentProcessId());
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+ token = get_admin_token();
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+
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if (is_wow64 && arch == SCS_64BIT_BINARY)
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{
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Wow64DisableWow64FsRedirection(&cookie);
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- CreateProcessW(path, cmdline, NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi);
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+ CreateProcessAsUserW(token, path, cmdline, NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi);
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Wow64RevertWow64FsRedirection(cookie);
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}
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else
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- CreateProcessW(path, cmdline, NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi);
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+ CreateProcessAsUserW(token, path, cmdline, NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi);
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+
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+ if (token) CloseHandle(token);
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CloseHandle(pi.hThread);
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