Blame src/token/ntapi_tt_token_privilege.c

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/********************************************************/
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/*  ntapi: Native API core library                      */
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/*  Copyright (C) 2013--2017  Z. Gilboa                 */
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/*  Released under GPLv2 and GPLv3; see COPYING.NTAPI.  */
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/********************************************************/
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#include <psxtypes/psxtypes.h>
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#include <ntapi/nt_object.h>
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#include <ntapi/nt_token.h>
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#include <ntapi/ntapi.h>
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#include "ntapi_impl.h"
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static int32_t __stdcall __set_token_privilege(
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	__in	void *		htoken,
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	__in	uint32_t	privilege,
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	__in	int		attribute)
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{
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	uintptr_t		buffer[64];
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	nt_token_privileges *	tokprivs;
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	/* reasonable scope */
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	if (privilege > 255)
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		return NT_STATUS_INVALID_PARAMETER;
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	/* buffer */
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	__ntapi->tt_aligned_block_memset(
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		buffer,0,sizeof(buffer));
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	tokprivs = (nt_token_privileges *)buffer;
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	/* token privileges */
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	tokprivs->privilege_count = 1;
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	tokprivs->privileges[0].attributes = attribute;
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	tokprivs->privileges[0].luid.low   = privilege;
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	tokprivs->privileges[0].luid.high  = 0;
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	/* set */
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	return __ntapi->zw_adjust_privileges_token(
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		htoken,0,
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		tokprivs,sizeof(buffer),
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		0,0);
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}
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int32_t __stdcall __ntapi_tt_enable_token_privilege(
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	__in	void *		htoken,
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	__in	uint32_t	privilege)
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{
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	return __set_token_privilege(
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		htoken,
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		privilege,
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		NT_SE_ENABLE_PRIVILEGE);
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}
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int32_t __stdcall __ntapi_tt_disable_token_privilege(
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	__in	void *		htoken,
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	__in	uint32_t	privilege)
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{
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	return __set_token_privilege(
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		htoken,
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		privilege,
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		NT_SE_DISABLE_PRIVILEGE);
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}