From 13a3fdf933c3ebdc0fd5bc0f3460d201a7c6b229 Mon Sep 17 00:00:00 2001
From: Andrew Tridgell <tridge@samba.org>
Date: Wed, 18 May 2005 04:18:19 +0000
Subject: [PATCH] r6876: - fixed a memory leak in the cldap server

- keep the samdb open between requests
(This used to be commit ee75a8353b0dab579abf0e675395d796f1c39746)
---
 source4/cldap_server/cldap_server.c |  1 +
 source4/cldap_server/cldap_server.h |  2 +-
 source4/cldap_server/netlogon.c     | 22 ++++++++++++----------
 3 files changed, 14 insertions(+), 11 deletions(-)

diff --git a/source4/cldap_server/cldap_server.c b/source4/cldap_server/cldap_server.c
index ad4779da012..91682620ea1 100644
--- a/source4/cldap_server/cldap_server.c
+++ b/source4/cldap_server/cldap_server.c
@@ -130,6 +130,7 @@ static void cldapd_task_init(struct task_server *task)
 	}
 
 	cldapd->task = task;
+	cldapd->samctx = NULL;
 
 	/* start listening on the configured network interfaces */
 	status = cldapd_startup_interfaces(cldapd);
diff --git a/source4/cldap_server/cldap_server.h b/source4/cldap_server/cldap_server.h
index e3d7c06ab3c..003835456de 100644
--- a/source4/cldap_server/cldap_server.h
+++ b/source4/cldap_server/cldap_server.h
@@ -27,5 +27,5 @@
 */
 struct cldapd_server {
 	struct task_server *task;
-	const char *dns_domain;
+	struct ldb_context *samctx;
 };
diff --git a/source4/cldap_server/netlogon.c b/source4/cldap_server/netlogon.c
index 252ae884ea4..191b2b10b4c 100644
--- a/source4/cldap_server/netlogon.c
+++ b/source4/cldap_server/netlogon.c
@@ -30,7 +30,7 @@
 /*
   fill in the cldap netlogon union for a given version
 */
-static NTSTATUS cldapd_netlogon_fill(struct cldap_socket *cldap,
+static NTSTATUS cldapd_netlogon_fill(struct cldapd_server *cldapd,
 				     TALLOC_CTX *mem_ctx,
 				     const char *domain,
 				     const char *domain_guid,
@@ -39,7 +39,6 @@ static NTSTATUS cldapd_netlogon_fill(struct cldap_socket *cldap,
 				     uint32_t version,
 				     union nbt_cldap_netlogon *netlogon)
 {
-	struct ldb_context *samctx;
 	const char *attrs[] = {"realm", "dnsDomain", "objectGUID", "name", NULL};
 	struct ldb_message **res;
 	int ret;
@@ -55,10 +54,12 @@ static NTSTATUS cldapd_netlogon_fill(struct cldap_socket *cldap,
 	const char *site_name2;
 	const char *pdc_ip;
 
-	samctx = samdb_connect(mem_ctx);
-	if (samctx == NULL) {
-		DEBUG(2,("Unable to open sam in cldap netlogon reply\n"));
-		return NT_STATUS_INTERNAL_DB_CORRUPTION;
+	if (cldapd->samctx == NULL) {
+		cldapd->samctx = samdb_connect(mem_ctx);
+		if (cldapd->samctx == NULL) {
+			DEBUG(2,("Unable to open sam in cldap netlogon reply\n"));
+			return NT_STATUS_INTERNAL_DB_CORRUPTION;
+		}
 	}
 
 	/* the domain has an optional trailing . */
@@ -67,7 +68,7 @@ static NTSTATUS cldapd_netlogon_fill(struct cldap_socket *cldap,
 	}
 
 	/* try and find the domain */
-	ret = gendb_search(samctx, samctx, NULL, &res, attrs, 
+	ret = gendb_search(cldapd->samctx, mem_ctx, NULL, &res, attrs, 
 			   "(&(objectClass=domainDNS)(|(dnsDomain=%s)(objectGUID=%s)))", 
 			   domain?domain:"", 
 			   domain_guid?domain_guid:"");
@@ -177,6 +178,7 @@ void cldapd_netlogon_request(struct cldap_socket *cldap,
 			     const char *filter,
 			     const char *src_address, int src_port)
 {
+	struct cldapd_server *cldapd = talloc_get_type(cldap->incoming.private, struct cldapd_server);
 	struct ldap_parse_tree *tree;
 	int i;
 	const char *domain = NULL;
@@ -191,7 +193,7 @@ void cldapd_netlogon_request(struct cldap_socket *cldap,
 
 	TALLOC_CTX *tmp_ctx = talloc_new(cldap);
 
-	DEBUG(0,("cldap filter='%s'\n", filter));
+	DEBUG(5,("cldap filter='%s'\n", filter));
 
 	tree = ldap_parse_filter_string(tmp_ctx, filter);
 	if (tree == NULL) goto failed;
@@ -249,10 +251,10 @@ void cldapd_netlogon_request(struct cldap_socket *cldap,
 		goto failed;
 	}
 
-	DEBUG(0,("cldap netlogon query domain=%s host=%s user=%s version=%d guid=%s\n",
+	DEBUG(5,("cldap netlogon query domain=%s host=%s user=%s version=%d guid=%s\n",
 		 domain, host, user, version, domain_guid));
 
-	status = cldapd_netlogon_fill(cldap, tmp_ctx, domain, domain_guid, 
+	status = cldapd_netlogon_fill(cldapd, tmp_ctx, domain, domain_guid, 
 				      user, src_address, 
 				      version, &netlogon);
 	if (!NT_STATUS_IS_OK(status)) {
-- 
2.34.1