2  *      The PCI Library -- Win32 helper functions
8  *      SPDX-License-Identifier: GPL-2.0-or-later
15 #include "win32-helpers.h"
17 /* Unfortunately i586-mingw32msvc toolchain does not provide this constant. */
93   if (len && buffer[len-1] == '\n')  in win32_strerror()
94     buffer[--len] = '\0';  in win32_strerror()
95   if (len && buffer[len-1] == '\r')  in win32_strerror()
96     buffer[--len] = '\0';  in win32_strerror()
97   if (len && buffer[len-1] == '.')  in win32_strerror()
98     buffer[--len] = '\0';  in win32_strerror()
122    * Check for 64-bit system via IsWow64Process() function exported  in win32_is_32bit_on_64bit_system()
123    * from 32-bit kernel32.dll library available on the 64-bit systems.  in win32_is_32bit_on_64bit_system()
125    * primary running on 32-bit systems where are not available 64-bit  in win32_is_32bit_on_64bit_system()
306  * Revert to the specified access token for the current thread. When access
307  * token is specified as NULL then revert to the primary process access token.
308  * Use to revert after win32_change_token() or change_token_to_primary() call.
314    * If SetThreadToken() call fails then there is no option to revert to  in win32_revert_to_token()
315    * the specified previous thread access token. So in this case revert to  in win32_revert_to_token()
326  * revert this privilege (if to revert whole token or only privilege).
339            * Indicate that correct revert method is just to  in win32_enable_privilege()
363    * future revert.  in win32_enable_privilege()
392       /* thread_token is set only when we were asked for revert method. */  in win32_enable_privilege()
401       /* thread_token is set only when we were asked for revert method. */  in win32_enable_privilege()
408    * Indicate that correct revert method is to change to the previous  in win32_enable_privilege()
421  * Revert particular privilege for the current thread was previously enabled by
423  * or revert to previous access token.
545    * Windows 2000 to control client-side automatic inheritance (client - user  in prepare_security_descriptor_for_set_operation()
546    * process - is responsible for propagating inherited ACEs to subobjects).  in prepare_security_descriptor_for_set_operation()
547    * To prevent applications which do not understand client-side automatic  in prepare_security_descriptor_for_set_operation()
554    * client-side automatic inheritance model and therefore prepare security  in prepare_security_descriptor_for_set_operation()
559    * into security object only when they are set together with set-only flags  in prepare_security_descriptor_for_set_operation()
706 …new_dacl_size = old_dacl->AclSize + sizeof(ACCESS_ALLOWED_ACE) + GetLengthSid(owner->Owner) - size…  in grant_process_token_dacl_permissions()
719    * token with non-inherited granting access to specified permissions.  in grant_process_token_dacl_permissions()
722   if (!InitializeAcl(new_dacl, new_dacl_size, old_dacl->AclRevision) ||  in grant_process_token_dacl_permissions()
723       !AddAccessAllowedAce(new_dacl, ACL_REVISION2, permissions, owner->Owner))  in grant_process_token_dacl_permissions()
736   if (old_dacl->AceCount > 0)  in grant_process_token_dacl_permissions()
741       for (ace_index = 0; ace_index < old_dacl->AceCount; ace_index++)  in grant_process_token_dacl_permissions()
744               !AddAce(new_dacl, old_dacl->AclRevision, MAXDWORD, ace, ((PACE_HEADER)ace)->AceSize))  in grant_process_token_dacl_permissions()
795  * Revert particular granted permissions in specified access token done by
824    * on older pre-Vista systems. When the current thread on these older  in open_process_for_query()
873  * (7-bit ASCII string). Do case-insensitive string comparison. Process
890       path[path_length-exe_file_length-1] != L'\\')  in check_process_name()
895       c1 = path[path_length-exe_file_length+i];  in check_process_name()
898        * Input string for comparison is 7-bit ASCII and file name part  in check_process_name()
904         c1 -= L'a' - L'A';  in check_process_name()
906         c2 -= 'a' - 'A';  in check_process_name()
948        * On older NT-based systems these functions are available in  in win32_find_and_open_process_for_query()
1025        * Final path length on the modern NT-based systems can be also larger.  in win32_find_and_open_process_for_query()
1071           (!MyGetProcessImageFileNameW && (length == size || length == size-1)))  in win32_find_and_open_process_for_query()
1107  * related to no open permissions. Revert DACL permissions after open attempt.
1122    * thread or process change or revert permissions. So try to execute  in try_grant_permissions_and_open_process_token()
1199    * that process token and revert granted permissions. But this is  in win32_open_process_token_with_rights()
1360    * but is using custom access token. There is no need to revert  in win32_call_func_with_tcb_privilege()
1362    * be reverted. So there is no need to setup revert method for  in win32_call_func_with_tcb_privilege()