1 files changed, 103 insertions, 0 deletions
diff --git a/source3/lib/util_nttoken.c b/source3/lib/util_nttoken.c
new file mode 100644
index 0000000..925b79c
--- /dev/null
+++ b/source3/lib/util_nttoken.c
@@ -0,0 +1,103 @@
+/* 
+ *  Unix SMB/CIFS implementation.
+ *  Authentication utility functions
+ *  Copyright (C) Andrew Tridgell 1992-1998
+ *  Copyright (C) Andrew Bartlett 2001-2023
+ *  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"
+
+/****************************************************************************
+ merge NT tokens
+****************************************************************************/
+
+NTSTATUS merge_with_system_token(TALLOC_CTX *mem_ctx,
+				 const struct security_token *token_1,
+				 struct security_token **token_out)
+{
+	const struct security_token *token_2 = get_system_token();
+	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;
+
+	/*
+	 * We don't need to merge claims as the system token has no
+	 * claims
+	 */
+
+	*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;
+}