From: Stefan Metzmacher <metze@samba.org>
Date: Thu, 15 Feb 2024 16:47:13 +0000 (+0100)
Subject: libcli/nbt: add nbt_name_send_raw()
X-Git-Tag: samba-4.19.8~59
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e2cec0d2800caf9ef9a4509063200371ba62388c;p=thirdparty%2Fsamba.git

libcli/nbt: add nbt_name_send_raw()

BUG: https://bugzilla.samba.org/show_bug.cgi?id=15620

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
(cherry picked from commit cca373b806e01fc57bd5316d3f8a17578b4b6531)
---

diff --git a/libcli/nbt/libnbt.h b/libcli/nbt/libnbt.h
index 204484be73f..6a30c9fedb5 100644
--- a/libcli/nbt/libnbt.h
+++ b/libcli/nbt/libnbt.h
@@ -331,6 +331,9 @@ NTSTATUS nbt_set_unexpected_handler(struct nbt_name_socket *nbtsock,
 				    void (*handler)(struct nbt_name_socket *, struct nbt_name_packet *,
 						    struct socket_address *),
 				    void *private_data);
+NTSTATUS nbt_name_send_raw(struct nbt_name_socket *nbtsock,
+			   struct socket_address *dest,
+			   const DATA_BLOB pkt_blob);
 NTSTATUS nbt_name_reply_send(struct nbt_name_socket *nbtsock,
 			     struct socket_address *dest,
 			     struct nbt_name_packet *request);
diff --git a/libcli/nbt/nbtsocket.c b/libcli/nbt/nbtsocket.c
index 47e73cf2e8d..b2945ad912f 100644
--- a/libcli/nbt/nbtsocket.c
+++ b/libcli/nbt/nbtsocket.c
@@ -448,6 +448,50 @@ failed:
 	return NULL;
 }
 
+/*
+  send off a nbt name packet
+*/
+_PUBLIC_ NTSTATUS nbt_name_send_raw(struct nbt_name_socket *nbtsock,
+				    struct socket_address *dest,
+				    const DATA_BLOB pkt_blob)
+{
+	struct nbt_name_request *req;
+
+	req = talloc_zero(nbtsock, struct nbt_name_request);
+	NT_STATUS_HAVE_NO_MEMORY(req);
+
+	req->nbtsock = nbtsock;
+	req->dest = socket_address_copy(req, dest);
+	if (req->dest == NULL) {
+		goto failed;
+	}
+	req->state = NBT_REQUEST_SEND;
+	/*
+	 * We don't expect a response so
+	 * just pretent it is a request,
+	 * but we really don't care about the
+	 * content.
+	 */
+	req->is_reply = true;
+
+	req->encoded = data_blob_dup_talloc(req, pkt_blob);
+	if (req->encoded.length != pkt_blob.length) {
+		goto failed;
+	}
+
+	talloc_set_destructor(req, nbt_name_request_destructor);
+
+	DLIST_ADD_END(nbtsock->send_queue, req);
+
+	TEVENT_FD_WRITEABLE(nbtsock->fde);
+
+	return NT_STATUS_OK;
+
+failed:
+	talloc_free(req);
+	return NT_STATUS_NO_MEMORY;
+}
+
 
 /*
   send off a nbt name reply