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acf9d61421
functions so we can funnel through some well known functions. Should help greatly with
malloc checking.
HEAD patch to follow.
Jeremy.
(This used to be commit 620f2e608f)
119 lines
3.3 KiB
C
119 lines
3.3 KiB
C
/*
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* Unix SMB/Netbios implementation.
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* SEC_ACL handling routines
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* Copyright (C) Andrew Tridgell 1992-1998,
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* Copyright (C) Jeremy R. Allison 1995-2003.
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* Copyright (C) Luke Kenneth Casson Leighton 1996-1998,
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* Copyright (C) Paul Ashton 1997-1998.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "includes.h"
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/*******************************************************************
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Create a SEC_ACL structure.
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********************************************************************/
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SEC_ACL *make_sec_acl(TALLOC_CTX *ctx, uint16 revision, int num_aces, SEC_ACE *ace_list)
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{
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SEC_ACL *dst;
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int i;
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if((dst = TALLOC_ZERO_P(ctx,SEC_ACL)) == NULL)
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return NULL;
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dst->revision = revision;
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dst->num_aces = num_aces;
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dst->size = SEC_ACL_HEADER_SIZE;
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/* Now we need to return a non-NULL address for the ace list even
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if the number of aces required is zero. This is because there
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is a distinct difference between a NULL ace and an ace with zero
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entries in it. This is achieved by checking that num_aces is a
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positive number. */
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if ((num_aces) &&
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((dst->ace = TALLOC_ARRAY(ctx, SEC_ACE, num_aces))
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== NULL)) {
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return NULL;
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}
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for (i = 0; i < num_aces; i++) {
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dst->ace[i] = ace_list[i]; /* Structure copy. */
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dst->size += ace_list[i].size;
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}
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return dst;
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}
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/*******************************************************************
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Duplicate a SEC_ACL structure.
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********************************************************************/
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SEC_ACL *dup_sec_acl(TALLOC_CTX *ctx, SEC_ACL *src)
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{
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if(src == NULL)
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return NULL;
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return make_sec_acl(ctx, src->revision, src->num_aces, src->ace);
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}
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/*******************************************************************
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Compares two SEC_ACL structures
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********************************************************************/
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BOOL sec_acl_equal(SEC_ACL *s1, SEC_ACL *s2)
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{
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unsigned int i, j;
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/* Trivial cases */
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if (!s1 && !s2) return True;
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if (!s1 || !s2) return False;
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/* Check top level stuff */
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if (s1->revision != s2->revision) {
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DEBUG(10, ("sec_acl_equal(): revision differs (%d != %d)\n",
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s1->revision, s2->revision));
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return False;
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}
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if (s1->num_aces != s2->num_aces) {
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DEBUG(10, ("sec_acl_equal(): num_aces differs (%d != %d)\n",
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s1->revision, s2->revision));
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return False;
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}
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/* The ACEs could be in any order so check each ACE in s1 against
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each ACE in s2. */
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for (i = 0; i < s1->num_aces; i++) {
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BOOL found = False;
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for (j = 0; j < s2->num_aces; j++) {
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if (sec_ace_equal(&s1->ace[i], &s2->ace[j])) {
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found = True;
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break;
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}
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}
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if (!found) return False;
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}
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return True;
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}
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