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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-05 17:47:29 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-05 17:47:29 +0000
commit4f5791ebd03eaec1c7da0865a383175b05102712 (patch)
tree8ce7b00f7a76baa386372422adebbe64510812d4 /source3/lib/util_nttoken.c
parentInitial commit. (diff)
downloadsamba-4f5791ebd03eaec1c7da0865a383175b05102712.tar.xz
samba-4f5791ebd03eaec1c7da0865a383175b05102712.zip
Adding upstream version 2:4.17.12+dfsg.upstream/2%4.17.12+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'source3/lib/util_nttoken.c')
-rw-r--r--source3/lib/util_nttoken.c133
1 files changed, 133 insertions, 0 deletions
diff --git a/source3/lib/util_nttoken.c b/source3/lib/util_nttoken.c
new file mode 100644
index 0000000..5fa513f
--- /dev/null
+++ b/source3/lib/util_nttoken.c
@@ -0,0 +1,133 @@
+/*
+ * Unix SMB/CIFS implementation.
+ * Authentication utility functions
+ * Copyright (C) Andrew Tridgell 1992-1998
+ * Copyright (C) Andrew Bartlett 2001
+ * Copyright (C) Jeremy Allison 2000-2001
+ * Copyright (C) Rafal Szczesniak 2002
+ * Copyright (C) Volker Lendecke 2006
+ * Copyright (C) Michael Adam 2007
+ * 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/>.
+ */
+
+/* function(s) moved from auth/auth_util.c to minimize linker deps */
+
+#include "includes.h"
+#include "../libcli/security/security.h"
+
+/****************************************************************************
+ Duplicate a SID token.
+****************************************************************************/
+
+struct security_token *dup_nt_token(TALLOC_CTX *mem_ctx, const struct security_token *ptoken)
+{
+ struct security_token *token;
+
+ if (!ptoken)
+ return NULL;
+
+ token = talloc_zero(mem_ctx, struct security_token);
+ if (token == NULL) {
+ DEBUG(0, ("talloc failed\n"));
+ return NULL;
+ }
+
+ if (ptoken->sids && ptoken->num_sids) {
+ token->sids = (struct dom_sid *)talloc_memdup(
+ token, ptoken->sids, sizeof(struct dom_sid) * ptoken->num_sids );
+
+ if (token->sids == NULL) {
+ DEBUG(0, ("talloc_memdup failed\n"));
+ TALLOC_FREE(token);
+ return NULL;
+ }
+ token->num_sids = ptoken->num_sids;
+ }
+
+ token->privilege_mask = ptoken->privilege_mask;
+ token->rights_mask = ptoken->rights_mask;
+
+ return token;
+}
+
+/****************************************************************************
+ merge NT tokens
+****************************************************************************/
+
+NTSTATUS merge_nt_token(TALLOC_CTX *mem_ctx,
+ const struct security_token *token_1,
+ const struct security_token *token_2,
+ struct security_token **token_out)
+{
+ struct security_token *token = NULL;
+ NTSTATUS status;
+ uint32_t i;
+
+ if (!token_1 || !token_2 || !token_out) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ token = talloc_zero(mem_ctx, struct security_token);
+ NT_STATUS_HAVE_NO_MEMORY(token);
+
+ for (i=0; i < token_1->num_sids; i++) {
+ status = add_sid_to_array_unique(mem_ctx,
+ &token_1->sids[i],
+ &token->sids,
+ &token->num_sids);
+ if (!NT_STATUS_IS_OK(status)) {
+ TALLOC_FREE(token);
+ return status;
+ }
+ }
+
+ for (i=0; i < token_2->num_sids; i++) {
+ status = add_sid_to_array_unique(mem_ctx,
+ &token_2->sids[i],
+ &token->sids,
+ &token->num_sids);
+ if (!NT_STATUS_IS_OK(status)) {
+ TALLOC_FREE(token);
+ return status;
+ }
+ }
+
+ token->privilege_mask |= token_1->privilege_mask;
+ token->privilege_mask |= token_2->privilege_mask;
+
+ token->rights_mask |= token_1->rights_mask;
+ token->rights_mask |= token_2->rights_mask;
+
+ *token_out = token;
+
+ return NT_STATUS_OK;
+}
+
+/*******************************************************************
+ Check if this struct security_ace has a SID in common with the token.
+********************************************************************/
+
+bool token_sid_in_ace(const struct security_token *token, const struct security_ace *ace)
+{
+ size_t i;
+
+ for (i = 0; i < token->num_sids; i++) {
+ if (dom_sid_equal(&ace->trustee, &token->sids[i]))
+ return true;
+ }
+
+ return false;
+}