/* * Unix SMB/Netbios implementation. * SEC_ACL handling routines * Copyright (C) Andrew Tridgell 1992-1998, * Copyright (C) Jeremy R. Allison 1995-2003. * Copyright (C) Luke Kenneth Casson Leighton 1996-1998, * Copyright (C) Paul Ashton 1997-1998. * * 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" #include "librpc/gen_ndr/ndr_security.h" #include "libcli/security/secace.h" #include "libcli/security/secacl.h" #define SEC_ACL_HEADER_SIZE (2 * sizeof(uint16_t) + sizeof(uint32_t)) /******************************************************************* Create a SEC_ACL structure. ********************************************************************/ struct security_acl *make_sec_acl(TALLOC_CTX *ctx, enum security_acl_revision revision, int num_aces, struct security_ace *ace_list) { struct security_acl *dst; int i; if((dst = talloc_zero(ctx, struct security_acl)) == NULL) return NULL; dst->revision = revision; dst->num_aces = num_aces; dst->size = SEC_ACL_HEADER_SIZE; /* Now we need to return a non-NULL address for the ace list even if the number of aces required is zero. This is because there is a distinct difference between a NULL ace and an ace with zero entries in it. This is achieved by checking that num_aces is a positive number. */ if ((num_aces) && ((dst->aces = talloc_array(dst, struct security_ace, num_aces)) == NULL)) { return NULL; } for (i = 0; i < num_aces; i++) { dst->aces[i] = ace_list[i]; /* Structure copy. */ dst->size += ace_list[i].size; } return dst; } /******************************************************************* Duplicate a SEC_ACL structure. ********************************************************************/ struct security_acl *dup_sec_acl(TALLOC_CTX *ctx, struct security_acl *src) { if(src == NULL) return NULL; return make_sec_acl(ctx, src->revision, src->num_aces, src->aces); }