diff options
Diffstat (limited to 'source3/libgpo')
| -rw-r--r-- | source3/libgpo/gpo_sec.c | 186 |
1 files changed, 0 insertions, 186 deletions
diff --git a/source3/libgpo/gpo_sec.c b/source3/libgpo/gpo_sec.c deleted file mode 100644 index c72bb26732..0000000000 --- a/source3/libgpo/gpo_sec.c +++ /dev/null @@ -1,186 +0,0 @@ -/* - * Unix SMB/CIFS implementation. - * Group Policy Object Support - * Copyright (C) Guenther Deschner 2007 - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see <http://www.gnu.org/licenses/>. - */ - -#include "includes.h" - -/**************************************************************** -****************************************************************/ - -static bool gpo_sd_check_agp_object_guid(const struct security_ace_object *object) -{ - struct GUID ext_right_apg_guid; - NTSTATUS status; - - if (!object) { - return false; - } - - status = GUID_from_string(ADS_EXTENDED_RIGHT_APPLY_GROUP_POLICY, - &ext_right_apg_guid); - if (!NT_STATUS_IS_OK(status)) { - return false; - } - - switch (object->flags) { - case SEC_ACE_OBJECT_TYPE_PRESENT: - if (GUID_equal(&object->type.type, - &ext_right_apg_guid)) { - return True; - } - case SEC_ACE_INHERITED_OBJECT_TYPE_PRESENT: - if (GUID_equal(&object->inherited_type.inherited_type, - &ext_right_apg_guid)) { - return True; - } - default: - break; - } - - return false; -} - -/**************************************************************** -****************************************************************/ - -static bool gpo_sd_check_agp_object(const SEC_ACE *ace) -{ - if (!sec_ace_object(ace->type)) { - return false; - } - - return gpo_sd_check_agp_object_guid(&ace->object.object); -} - -/**************************************************************** -****************************************************************/ - -static bool gpo_sd_check_agp_access_bits(uint32_t access_mask) -{ - return (access_mask & SEC_RIGHTS_EXTENDED); -} - -#if 0 -/**************************************************************** -****************************************************************/ - -static bool gpo_sd_check_read_access_bits(uint32_t access_mask) -{ - uint32_t read_bits = SEC_RIGHTS_LIST_CONTENTS | - SEC_RIGHTS_READ_ALL_PROP | - SEC_RIGHTS_READ_PERMS; - - return (read_bits == (access_mask & read_bits)); -} -#endif - -/**************************************************************** -****************************************************************/ - -static NTSTATUS gpo_sd_check_ace_denied_object(const SEC_ACE *ace, - const struct nt_user_token *token) -{ - if (gpo_sd_check_agp_object(ace) && - gpo_sd_check_agp_access_bits(ace->access_mask) && - nt_token_check_sid(&ace->trustee, token)) { - DEBUG(10,("gpo_sd_check_ace_denied_object: " - "Access denied as of ace for %s\n", - sid_string_dbg(&ace->trustee))); - return NT_STATUS_ACCESS_DENIED; - } - - return STATUS_MORE_ENTRIES; -} - -/**************************************************************** -****************************************************************/ - -static NTSTATUS gpo_sd_check_ace_allowed_object(const SEC_ACE *ace, - const struct nt_user_token *token) -{ - if (gpo_sd_check_agp_object(ace) && - gpo_sd_check_agp_access_bits(ace->access_mask) && - nt_token_check_sid(&ace->trustee, token)) { - DEBUG(10,("gpo_sd_check_ace_allowed_object: " - "Access granted as of ace for %s\n", - sid_string_dbg(&ace->trustee))); - return NT_STATUS_OK; - } - - return STATUS_MORE_ENTRIES; -} - -/**************************************************************** -****************************************************************/ - -static NTSTATUS gpo_sd_check_ace(const SEC_ACE *ace, - const struct nt_user_token *token) -{ - switch (ace->type) { - case SEC_ACE_TYPE_ACCESS_DENIED_OBJECT: - return gpo_sd_check_ace_denied_object(ace, token); - case SEC_ACE_TYPE_ACCESS_ALLOWED_OBJECT: - return gpo_sd_check_ace_allowed_object(ace, token); - default: - return STATUS_MORE_ENTRIES; - } -} - -/**************************************************************** -****************************************************************/ - -NTSTATUS gpo_apply_security_filtering(const struct GROUP_POLICY_OBJECT *gpo, - const struct nt_user_token *token) -{ - SEC_DESC *sd = gpo->security_descriptor; - SEC_ACL *dacl = NULL; - NTSTATUS status = NT_STATUS_ACCESS_DENIED; - int i; - - if (!token) { - return NT_STATUS_INVALID_USER_BUFFER; - } - - if (!sd) { - return NT_STATUS_INVALID_SECURITY_DESCR; - } - - dacl = sd->dacl; - if (!dacl) { - return NT_STATUS_INVALID_SECURITY_DESCR; - } - - /* check all aces and only return NT_STATUS_OK (== Access granted) or - * NT_STATUS_ACCESS_DENIED ( == Access denied) - the default is to - * deny access */ - - for (i = 0; i < dacl->num_aces; i ++) { - - status = gpo_sd_check_ace(&dacl->aces[i], token); - - if (NT_STATUS_EQUAL(status, NT_STATUS_ACCESS_DENIED)) { - return status; - } else if (NT_STATUS_IS_OK(status)) { - return status; - } - - continue; - } - - return NT_STATUS_ACCESS_DENIED; -} |