1 files changed, 73 insertions, 0 deletions
diff --git a/source3/lib/lsa.c b/source3/lib/lsa.c
new file mode 100644
index 0000000..1c24a42
--- /dev/null
+++ b/source3/lib/lsa.c
@@ -0,0 +1,73 @@
+/*
+ * Helper functions related to the LSA server
+ *
+ *  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/>.
+ */
+
+/***************************************************************************
+ init_lsa_ref_domain_list - adds a domain if it's not already in, returns index.
+***************************************************************************/
+
+#include "replace.h"
+#include "lib/util/data_blob.h"
+#include "lib/util/time.h"
+#include "libcli/security/dom_sid.h"
+#include "librpc/gen_ndr/lsa.h"
+#include "lsa.h"
+
+int init_lsa_ref_domain_list(TALLOC_CTX *mem_ctx,
+			     struct lsa_RefDomainList *ref,
+			     const char *dom_name,
+			     struct dom_sid *dom_sid)
+{
+	int num = 0;
+
+	if (dom_name != NULL) {
+		for (num = 0; num < ref->count; num++) {
+			if (dom_sid_equal(dom_sid, ref->domains[num].sid)) {
+				return num;
+			}
+		}
+	} else {
+		num = ref->count;
+	}
+
+	if (num >= LSA_REF_DOMAIN_LIST_MULTIPLIER) {
+		/* index not found, already at maximum domain limit */
+		return -1;
+	}
+
+	ref->count = num + 1;
+	ref->max_size = LSA_REF_DOMAIN_LIST_MULTIPLIER;
+
+	ref->domains = talloc_realloc(mem_ctx, ref->domains,
+					    struct lsa_DomainInfo, ref->count);
+	if (!ref->domains) {
+		return -1;
+	}
+
+	ZERO_STRUCT(ref->domains[num]);
+
+	ref->domains[num].name.string = talloc_strdup(mem_ctx, dom_name);
+	if (!ref->domains[num].name.string) {
+		return -1;
+	}
+
+	ref->domains[num].sid = dom_sid_dup(mem_ctx, dom_sid);
+	if (!ref->domains[num].sid) {
+		return -1;
+	}
+
+	return num;
+}