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ad0a07c531
Using the standard macro makes it easier to move code into common, as TALLOC_ZERO_P isn't standard talloc.
134 lines
3.7 KiB
C
134 lines
3.7 KiB
C
/*
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* Unix SMB/CIFS implementation.
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* Authentication utility functions
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* Copyright (C) Andrew Tridgell 1992-1998
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* Copyright (C) Andrew Bartlett 2001
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* Copyright (C) Jeremy Allison 2000-2001
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* Copyright (C) Rafal Szczesniak 2002
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* Copyright (C) Volker Lendecke 2006
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* Copyright (C) Michael Adam 2007
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* Copyright (C) Guenther Deschner 2007
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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 3 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, see <http://www.gnu.org/licenses/>.
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*/
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/* function(s) moved from auth/auth_util.c to minimize linker deps */
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#include "includes.h"
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#include "../libcli/security/security.h"
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/****************************************************************************
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Duplicate a SID token.
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****************************************************************************/
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struct security_token *dup_nt_token(TALLOC_CTX *mem_ctx, const struct security_token *ptoken)
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{
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struct security_token *token;
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if (!ptoken)
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return NULL;
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token = talloc_zero(mem_ctx, struct security_token);
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if (token == NULL) {
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DEBUG(0, ("talloc failed\n"));
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return NULL;
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}
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if (ptoken->sids && ptoken->num_sids) {
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token->sids = (struct dom_sid *)talloc_memdup(
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token, ptoken->sids, sizeof(struct dom_sid) * ptoken->num_sids );
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if (token->sids == NULL) {
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DEBUG(0, ("talloc_memdup failed\n"));
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TALLOC_FREE(token);
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return NULL;
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}
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token->num_sids = ptoken->num_sids;
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}
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token->privilege_mask = ptoken->privilege_mask;
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token->rights_mask = ptoken->rights_mask;
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return token;
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}
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/****************************************************************************
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merge NT tokens
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****************************************************************************/
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NTSTATUS merge_nt_token(TALLOC_CTX *mem_ctx,
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const struct security_token *token_1,
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const struct security_token *token_2,
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struct security_token **token_out)
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{
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struct security_token *token = NULL;
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NTSTATUS status;
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int i;
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if (!token_1 || !token_2 || !token_out) {
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return NT_STATUS_INVALID_PARAMETER;
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}
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token = talloc_zero(mem_ctx, struct security_token);
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NT_STATUS_HAVE_NO_MEMORY(token);
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for (i=0; i < token_1->num_sids; i++) {
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status = add_sid_to_array_unique(mem_ctx,
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&token_1->sids[i],
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&token->sids,
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&token->num_sids);
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if (!NT_STATUS_IS_OK(status)) {
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TALLOC_FREE(token);
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return status;
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}
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}
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for (i=0; i < token_2->num_sids; i++) {
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status = add_sid_to_array_unique(mem_ctx,
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&token_2->sids[i],
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&token->sids,
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&token->num_sids);
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if (!NT_STATUS_IS_OK(status)) {
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TALLOC_FREE(token);
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return status;
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}
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}
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token->privilege_mask |= token_1->privilege_mask;
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token->privilege_mask |= token_2->privilege_mask;
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token->rights_mask |= token_1->rights_mask;
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token->rights_mask |= token_2->rights_mask;
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*token_out = token;
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return NT_STATUS_OK;
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}
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/*******************************************************************
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Check if this struct security_ace has a SID in common with the token.
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********************************************************************/
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bool token_sid_in_ace(const struct security_token *token, const struct security_ace *ace)
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{
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size_t i;
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for (i = 0; i < token->num_sids; i++) {
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if (dom_sid_equal(&ace->trustee, &token->sids[i]))
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return true;
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}
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return false;
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}
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