wimlib: Automatically try to acquire needed privileges on Windows

[wimlib] / programs / imagex-win32.c

diff --git a/programs/imagex-win32.c b/programs/imagex-win32.c
index 9e93c4cc8510cf9b27931d6358918e6b610facb6..24f99108e6ec30d948468c9fd7e4c54ceae69655 100644 (file)
--- a/programs/imagex-win32.c
+++ b/programs/imagex-win32.c
@@ -13,6 +13,8 @@
 #include <string.h>
 #include <assert.h>
 #include <stdio.h>
+#include <fcntl.h>
+#include <io.h>
 
 /* Replacement for glob() in Windows native builds that operates on wide
  * characters. */
@@ -119,79 +121,6 @@ globfree(glob_t *pglob)
        free(pglob->gl_pathv);
 }
 
-static bool
-win32_modify_privilege(const wchar_t *privilege, bool enable)
-{
-       HANDLE hToken;
-       LUID luid;
-       TOKEN_PRIVILEGES newState;
-       bool ret = false;
-
-       if (!OpenProcessToken(GetCurrentProcess(),
-                             TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY,
-                             &hToken))
-               goto out;
-
-       if (!LookupPrivilegeValueW(NULL, privilege, &luid))
-               goto out;
-
-       newState.PrivilegeCount = 1;
-       newState.Privileges[0].Luid = luid;
-       newState.Privileges[0].Attributes = (enable ? SE_PRIVILEGE_ENABLED : 0);
-       ret = AdjustTokenPrivileges(hToken, FALSE, &newState, 0, NULL, NULL);
-       CloseHandle(hToken);
-out:
-       if (!ret) {
-               fwprintf(stderr, L"WARNING: Failed to %ls privilege %s\n",
-                       enable ? L"enable" : L"disable", privilege);
-               fwprintf(stderr,
-                       L"WARNING: The program will continue, "
-                       L"but if permission issues are\n"
-                       L"encountered, you may need to run "
-                       L"this program as the administrator\n");
-       }
-       return ret;
-}
-
-static void
-win32_modify_capture_privileges(bool enable)
-{
-       win32_modify_privilege(SE_BACKUP_NAME, enable);
-       win32_modify_privilege(SE_SECURITY_NAME, enable);
-}
-
-static void
-win32_modify_restore_privileges(bool enable)
-{
-       win32_modify_privilege(SE_RESTORE_NAME, enable);
-       win32_modify_privilege(SE_SECURITY_NAME, enable);
-       win32_modify_privilege(SE_TAKE_OWNERSHIP_NAME, enable);
-}
-
-void
-win32_acquire_capture_privileges(void)
-{
-       win32_modify_capture_privileges(true);
-}
-
-void
-win32_release_capture_privileges(void)
-{
-       win32_modify_capture_privileges(false);
-}
-
-void
-win32_acquire_restore_privileges(void)
-{
-       win32_modify_restore_privileges(true);
-}
-
-void
-win32_release_restore_privileges(void)
-{
-       win32_modify_restore_privileges(false);
-}
-
 /* Convert a string from the "current Windows codepage" to UTF-16LE. */
 wchar_t *
 win32_mbs_to_wcs(const char *mbs, size_t mbs_nbytes, size_t *num_wchars_ret)
@@ -260,3 +189,7 @@ win32_wbasename(wchar_t *path)
        return p;
 }
 
+void set_fd_to_binary_mode(int fd)
+{
+       _setmode(fd, _O_BINARY);
+}