Adding upstream version 2:4.20.0+dfsg.upstream/2%4.20.0+dfsg

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 114 insertions, 0 deletions

diff --git a/source4/libcli/dgram/browse.c b/source4/libcli/dgram/browse.c
new file mode 100644
index 0000000..437b6e1
--- /dev/null
+++ b/source4/libcli/dgram/browse.c
@@ -0,0 +1,114 @@
+/*
+   Unix SMB/CIFS implementation.
+
+   handling for browsing dgram requests
+
+   Copyright (C) Jelmer Vernooij 2005
+        Heavily based on ntlogon.c
+
+   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/>.
+*/
+
+#include "includes.h"
+#include "libcli/dgram/libdgram.h"
+#include "lib/socket/socket.h"
+#include "libcli/resolve/resolve.h"
+#include "librpc/gen_ndr/ndr_nbt.h"
+#include "param/param.h"
+
+NTSTATUS dgram_mailslot_browse_send(struct nbt_dgram_socket *dgmsock,
+				    struct nbt_name *dest_name,
+				    struct socket_address *dest,
+				    struct nbt_name *src_name,
+				    struct nbt_browse_packet *request)
+{
+	NTSTATUS status;
+	enum ndr_err_code ndr_err;
+	DATA_BLOB blob;
+	TALLOC_CTX *tmp_ctx = talloc_new(dgmsock);
+
+	ndr_err = ndr_push_struct_blob(&blob, tmp_ctx, request,
+				      (ndr_push_flags_fn_t)ndr_push_nbt_browse_packet);
+	if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+		talloc_free(tmp_ctx);
+		return ndr_map_error2ntstatus(ndr_err);
+	}
+
+	status = dgram_mailslot_send(dgmsock, DGRAM_DIRECT_UNIQUE,
+				     NBT_MAILSLOT_BROWSE,
+				     dest_name, dest,
+				     src_name, &blob);
+	talloc_free(tmp_ctx);
+	return status;
+}
+
+NTSTATUS dgram_mailslot_browse_reply(struct nbt_dgram_socket *dgmsock,
+				     struct nbt_dgram_packet *request,
+				     const char *mailslot_name,
+				     const char *my_netbios_name,
+				     struct nbt_browse_packet *reply)
+{
+	NTSTATUS status;
+	enum ndr_err_code ndr_err;
+	DATA_BLOB blob;
+	TALLOC_CTX *tmp_ctx = talloc_new(dgmsock);
+	struct nbt_name myname;
+	struct socket_address *dest;
+
+	ndr_err = ndr_push_struct_blob(&blob, tmp_ctx, reply,
+				      (ndr_push_flags_fn_t)ndr_push_nbt_browse_packet);
+	if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+		talloc_free(tmp_ctx);
+		return ndr_map_error2ntstatus(ndr_err);
+	}
+
+	make_nbt_name_client(&myname, my_netbios_name);
+
+	dest = socket_address_from_strings(tmp_ctx, dgmsock->sock->backend_name,
+					   request->src_addr, request->src_port);
+	if (!dest) {
+		talloc_free(tmp_ctx);
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	status = dgram_mailslot_send(dgmsock, DGRAM_DIRECT_UNIQUE,
+				     mailslot_name,
+				     &request->data.msg.source_name,
+				     dest,
+				     &myname, &blob);
+	talloc_free(tmp_ctx);
+	return status;
+}
+
+NTSTATUS dgram_mailslot_browse_parse(struct dgram_mailslot_handler *dgmslot,
+				     TALLOC_CTX *mem_ctx,
+				     struct nbt_dgram_packet *dgram,
+				     struct nbt_browse_packet *pkt)
+{
+	DATA_BLOB data = dgram_mailslot_data(dgram);
+	enum ndr_err_code ndr_err;
+
+	ndr_err = ndr_pull_struct_blob(&data, mem_ctx, pkt,
+				      (ndr_pull_flags_fn_t)ndr_pull_nbt_browse_packet);
+	if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+		NTSTATUS status = ndr_map_error2ntstatus(ndr_err);
+		DEBUG(0,("Failed to parse browse packet of length %d: %s\n",
+			 (int)data.length, nt_errstr(status)));
+		if (DEBUGLVL(10)) {
+			(void)file_save("browse.dat", data.data, data.length);
+		}
+		return status;
+	}
+	return NT_STATUS_OK;
+}