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-rw-r--r--libcli/cldap/cldap.c30
1 files changed, 25 insertions, 5 deletions
diff --git a/libcli/cldap/cldap.c b/libcli/cldap/cldap.c
index 219b343d80..8d7cbb0408 100644
--- a/libcli/cldap/cldap.c
+++ b/libcli/cldap/cldap.c
@@ -312,6 +312,27 @@ NTSTATUS cldap_socket_init(TALLOC_CTX *mem_ctx,
struct tsocket_address *any = NULL;
NTSTATUS status;
int ret;
+ const char *fam = NULL;
+
+ if (local_addr == NULL && remote_addr == NULL) {
+ return NT_STATUS_INVALID_PARAMETER_MIX;
+ }
+
+ if (remote_addr) {
+ bool is_ipv4;
+ bool is_ipv6;
+
+ is_ipv4 = tsocket_address_is_inet(remote_addr, "ipv4");
+ is_ipv6 = tsocket_address_is_inet(remote_addr, "ipv6");
+
+ if (is_ipv4) {
+ fam = "ipv4";
+ } else if (is_ipv6) {
+ fam = "ipv6";
+ } else {
+ return NT_STATUS_INVALID_ADDRESS;
+ }
+ }
c = talloc_zero(mem_ctx, struct cldap_socket);
if (!c) {
@@ -319,11 +340,10 @@ NTSTATUS cldap_socket_init(TALLOC_CTX *mem_ctx,
}
if (!local_addr) {
- /* we use ipv4 here instead of ip, as otherwise we end
- up with a PF_INET6 socket, and sendto() for ipv4
- addresses will fail. That breaks cldap name
- resolution for winbind to IPv4 hosts. */
- ret = tsocket_address_inet_from_strings(c, "ipv4",
+ /*
+ * Here we the address family of the remote address.
+ */
+ ret = tsocket_address_inet_from_strings(c, fam,
NULL, 0,
&any);
if (ret != 0) {