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annotate common/util.h @ 797:71799e101755

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Insteller: Welcomepage larger title, no standard text.
author Bernhard Reiter <bernhard@intevation.de>
date Tue, 15 Jul 2014 14:46:33 +0200
parents 4ad764bfb39c
children 216a65d7fc4b
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1 /* Copyright (C) 2014 by Bundesamt für Sicherheit in der Informationstechnik
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU GPL (v>=2)
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5 * and comes with ABSOLUTELY NO WARRANTY!
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6 * See LICENSE.txt for details.
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7 */
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8 #ifndef COMMON_UTIL_H
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9 #define COMMON_UTIL_H
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10 /* @file util.h
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11 * @brief The usual useful stuff that fit nowhere else
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12 */
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13 #include <stdbool.h>
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14
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15 #ifdef WIN32
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16 #include <windows.h>
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17 #include <psapi.h>
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18 #endif
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19
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20 #ifdef __cplusplus
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21 extern "C" {
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22 #endif
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23
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24 /**@brief Check if the current process is running with elevated privileges.
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25 *
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26 * Elevates the current process token to check if it is marked as elevated.
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27 * Uses TokenElevation on windows and checks effective UID on Linux.
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28 *
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29 * @returns true if the current process is elevated.*/
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30 bool is_elevated();
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31
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32 /**@brief Check if the user is in the administrators group.
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33 *
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34 * The function checks if the account that startet this process
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35 * belongs to a user that is a member of the Administrators group.
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36 *
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37 * @returns True if the user is in the admin group. False otherwise or on error.
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38 */
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39 bool is_admin();
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40
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41 #ifdef WIN32
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42 /**@brief Get a copy of the processes owner sid
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43 *
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44 * Copy the SID of the owner of the process hProcess.
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45 *
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46 * The returned sid structure has to be freed with free by the caller
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47 *
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48 * @param[in] hProcess A handle to the process whose user should be obtained.
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49 * The process must have the PROCESS_QUERY_INFORMATION access permission.
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50 *
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51 * @returns A copy of the process owners sid or NULL on error.
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52 */
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53 PSID get_process_owner(HANDLE hProcess);
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54
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55 /**@brief Get the directory in which the current process resides in
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56 *
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57 * Look up the directory in which the current process is placed.
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58 * If the path is longer then MAX_PATH NULL is returned.
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59 *
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60 * Returns a utf-8 encoded string that has to be freed by the caller
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61 *
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62 * @returns The directory of the current process
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63 */
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64 char * get_install_dir();
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65 #endif
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66
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67 #ifdef __cplusplus
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68 }
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69 #endif
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71 #endif // COMMON_UTIL_H
http://wald.intevation.org/projects/trustbridge/