diff options
Diffstat (limited to 'libcli/security/secacl.c')
-rw-r--r-- | libcli/security/secacl.c | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/libcli/security/secacl.c b/libcli/security/secacl.c new file mode 100644 index 0000000..6c92a2e --- /dev/null +++ b/libcli/security/secacl.c @@ -0,0 +1,75 @@ +/* + * 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 "replace.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, + const struct security_ace *ace_list) +{ + struct security_acl *dst; + int i; + + dst = talloc(ctx, struct security_acl); + if (dst == NULL) { + return NULL; + } + + dst->revision = revision; + dst->num_aces = num_aces; + dst->size = SEC_ACL_HEADER_SIZE; + dst->aces = NULL; + + /* 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 == 0) { + return dst; + } + + dst->aces = talloc_array(dst, struct security_ace, num_aces); + if (dst->aces == NULL) { + TALLOC_FREE(dst); + 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; +} |