dsgetdcname: add pull_mailslot_cldap_reply().

Guenther
(This used to be commit 95fb01d8702342265f8837a368dc42f4a4d394d5)

diff --git a/source3/libsmb/dsgetdcname.c b/source3/libsmb/dsgetdcname.c
index c7eb8005bc3a81c5485cdfde80b8d79db51b343b..98c9997575d83a14b2c9bf92d2adf355cc9b7ea0 100644 (file)
--- a/source3/libsmb/dsgetdcname.c
+++ b/source3/libsmb/dsgetdcname.c
@@ -1023,3 +1023,87 @@ NTSTATUS dsgetdcname(TALLOC_CTX *mem_ctx,
 
        return status;
 }
+
+/****************************************************************
+****************************************************************/
+
+bool pull_mailslot_cldap_reply(TALLOC_CTX *mem_ctx,
+                              const DATA_BLOB *blob,
+                              union nbt_cldap_netlogon *r,
+                              uint32_t *nt_version)
+{
+       enum ndr_err_code ndr_err;
+       uint32_t nt_version_query = ((*nt_version) & 0x000000ff);
+       uint16_t command = 0;
+
+       ndr_err = ndr_pull_struct_blob(blob, mem_ctx, &command,
+                       (ndr_pull_flags_fn_t)ndr_pull_uint16);
+       if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+               return false;
+       }
+
+       switch (command) {
+               case 0x13: /* 19 */
+               case 0x15: /* 21 */
+               case 0x17: /* 23 */
+                        break;
+               default:
+                       DEBUG(1,("got unexpected command: %d (0x%08x)\n",
+                               command, command));
+                       return false;
+       }
+
+       ndr_err = ndr_pull_union_blob_all(blob, mem_ctx, r, nt_version_query,
+                      (ndr_pull_flags_fn_t)ndr_pull_nbt_cldap_netlogon);
+       if (NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+               goto done;
+       }
+
+       /* when the caller requested just those nt_version bits that the server
+        * was able to reply to, we are fine and all done. otherwise we need to
+        * assume downgraded replies which are painfully parsed here - gd */
+
+       if (nt_version_query & NETLOGON_VERSION_WITH_CLOSEST_SITE) {
+               nt_version_query &= ~NETLOGON_VERSION_WITH_CLOSEST_SITE;
+       }
+       ndr_err = ndr_pull_union_blob_all(blob, mem_ctx, r, nt_version_query,
+                      (ndr_pull_flags_fn_t)ndr_pull_nbt_cldap_netlogon);
+       if (NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+               goto done;
+       }
+       if (nt_version_query & NETLOGON_VERSION_5EX_WITH_IP) {
+               nt_version_query &= ~NETLOGON_VERSION_5EX_WITH_IP;
+       }
+       ndr_err = ndr_pull_union_blob_all(blob, mem_ctx, r, nt_version_query,
+                      (ndr_pull_flags_fn_t)ndr_pull_nbt_cldap_netlogon);
+       if (NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+               goto done;
+       }
+       if (nt_version_query & NETLOGON_VERSION_5EX) {
+               nt_version_query &= ~NETLOGON_VERSION_5EX;
+       }
+       ndr_err = ndr_pull_union_blob_all(blob, mem_ctx, r, nt_version_query,
+                      (ndr_pull_flags_fn_t)ndr_pull_nbt_cldap_netlogon);
+       if (NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+               goto done;
+       }
+       if (nt_version_query & NETLOGON_VERSION_5) {
+               nt_version_query &= ~NETLOGON_VERSION_5;
+       }
+       ndr_err = ndr_pull_union_blob_all(blob, mem_ctx, r, nt_version_query,
+                      (ndr_pull_flags_fn_t)ndr_pull_nbt_cldap_netlogon);
+       if (NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+               goto done;
+       }
+
+       return false;
+
+ done:
+       if (DEBUGLEVEL >= 10) {
+               NDR_PRINT_UNION_DEBUG(nbt_cldap_netlogon, nt_version_query, r);
+       }
+
+       *nt_version = nt_version_query;
+
+       return true;
+}