view common/util.h @ 719:49bf73b5c7de

(Issue34) Show / hide details area depending on available changes
author Andre Heinecke <andre.heinecke@intevation.de>
date Wed, 02 Jul 2014 16:35:16 +0200
parents 4ad764bfb39c
children 216a65d7fc4b
line wrap: on
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/* Copyright (C) 2014 by Bundesamt für Sicherheit in der Informationstechnik
 * Software engineering by Intevation GmbH
 *
 * This file is Free Software under the GNU GPL (v>=2)
 * and comes with ABSOLUTELY NO WARRANTY!
 * See LICENSE.txt for details.
 */
#ifndef COMMON_UTIL_H
#define COMMON_UTIL_H
/* @file util.h
 * @brief The usual useful stuff that fit nowhere else
 */
#include <stdbool.h>

#ifdef WIN32
#include <windows.h>
#include <psapi.h>
#endif

#ifdef __cplusplus
extern "C" {
#endif

/**@brief Check if the current process is running with elevated privileges.
 *
 * Elevates the current process token to check if it is marked as elevated.
 * Uses TokenElevation on windows and checks effective UID on Linux.
 *
 * @returns true if the current process is elevated.*/
bool is_elevated();

/**@brief Check if the user is in the administrators group.
 *
 * The function checks if the account that startet this process
 * belongs to a user that is a member of the Administrators group.
 *
 * @returns True if the user is in the admin group. False otherwise or on error.
 */
bool is_admin();

#ifdef WIN32
/**@brief Get a copy of the processes owner sid
 *
 * Copy the SID of the owner of the process hProcess.
 *
 * The returned sid structure has to be freed with free by the caller
 *
 * @param[in] hProcess A handle to the process whose user should be obtained.
 * The process must have the PROCESS_QUERY_INFORMATION access permission.
 *
 * @returns A copy of the process owners sid or NULL on error.
 */
PSID get_process_owner(HANDLE hProcess);

/**@brief Get the directory in which the current process resides in
 *
 * Look up the directory in which the current process is placed.
 * If the path is longer then MAX_PATH NULL is returned.
 *
 * Returns a utf-8 encoded string that has to be freed by the caller
 *
 * @returns The directory of the current process
 */
char * get_install_dir();
#endif

#ifdef __cplusplus
}
#endif

#endif // COMMON_UTIL_H

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