diff options
Diffstat (limited to 'epan/dissectors/packet-dcerpc-messenger.c')
| -rw-r--r-- | epan/dissectors/packet-dcerpc-messenger.c | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/epan/dissectors/packet-dcerpc-messenger.c b/epan/dissectors/packet-dcerpc-messenger.c new file mode 100644 index 00000000..a00626d8 --- /dev/null +++ b/epan/dissectors/packet-dcerpc-messenger.c @@ -0,0 +1,144 @@ +/* packet-dcerpc-messenger.c + * Routines for SMB \PIPE\msgsvc packet disassembly + * Copyright 2003 Ronnie Sahlberg + * + * Wireshark - Network traffic analyzer + * By Gerald Combs <gerald@wireshark.org> + * Copyright 1998 Gerald Combs + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#include "config.h" + +#include <epan/packet.h> +#include "packet-dcerpc.h" +#include "packet-dcerpc-nt.h" +#include "packet-windows-common.h" + +void proto_register_dcerpc_messenger(void); +void proto_reg_handoff_dcerpc_messenger(void); + +static int proto_dcerpc_messenger = -1; +static int hf_messenger_opnum = -1; +static int hf_messenger_rc = -1; +static int hf_messenger_server = -1; +static int hf_messenger_client = -1; +static int hf_messenger_message = -1; + +static gint ett_dcerpc_messenger = -1; + + +/* Windows messenger service listens on two endpoints: + * \pipe\msgsvc named pipe + * a dynamic UDP port + */ + +static e_guid_t uuid_dcerpc_messenger = { + 0x5a7b91f8, 0xff00, 0x11d0, + { 0xa9, 0xb2, 0x00, 0xc0, 0x4f, 0xb6, 0xe6, 0xfc} +}; + +static guint16 ver_dcerpc_messenger = 1; + + + +/* + * IDL [in][string][ref] char *server; + * IDL [in][string][ref] char *client; + * IDL [in][string][ref] char *message; + */ +static int +messenger_dissect_send_message_rqst(tvbuff_t *tvb, int offset, packet_info *pinfo, + proto_tree *tree, dcerpc_info *di, guint8 *drep) +{ + offset = dissect_ndr_pointer(tvb, offset, pinfo, tree, di, drep, + dissect_ndr_char_cvstring, NDR_POINTER_REF, + "Server", hf_messenger_server); + offset = dissect_ndr_pointer(tvb, offset, pinfo, tree, di, drep, + dissect_ndr_char_cvstring, NDR_POINTER_REF, + "Client", hf_messenger_client); + offset = dissect_ndr_pointer(tvb, offset, pinfo, tree, di, drep, + dissect_ndr_char_cvstring, NDR_POINTER_REF, + "Message", hf_messenger_message); + + + return offset; +} +static int +messenger_dissect_send_message_reply(tvbuff_t *tvb, int offset, packet_info *pinfo, + proto_tree *tree, dcerpc_info *di, guint8 *drep) +{ + offset = dissect_ntstatus(tvb, offset, pinfo, tree, di, drep, + hf_messenger_rc, NULL); + + return offset; +} + + + +static dcerpc_sub_dissector dcerpc_messenger_dissectors[] = { + {0, "NetrSendMessage", + messenger_dissect_send_message_rqst, + messenger_dissect_send_message_reply }, + {0, NULL, NULL, NULL } +}; + +void +proto_register_dcerpc_messenger(void) +{ + static hf_register_info hf[] = { + + { &hf_messenger_opnum, + { "Operation", "messenger.opnum", FT_UINT16, BASE_DEC, + NULL, 0x0, NULL, HFILL }}, + + { &hf_messenger_rc, + { "Return code", "messenger.rc", FT_UINT32, BASE_HEX | BASE_EXT_STRING, &NT_errors_ext, 0x0, NULL, HFILL }}, + + { &hf_messenger_server, { + "Server", "messenger.server", + FT_STRING, BASE_NONE, NULL, 0, "Server to send the message to", HFILL }}, + + { &hf_messenger_client, { + "Client", "messenger.client", + FT_STRING, BASE_NONE, NULL, 0, "Client that sent the message", HFILL }}, + + { &hf_messenger_message, { + "Message", "messenger.message", + FT_STRING, BASE_NONE, NULL, 0, "The message being sent", HFILL }} + + }; + + static gint *ett[] = { + &ett_dcerpc_messenger + }; + + proto_dcerpc_messenger = proto_register_protocol("Microsoft Messenger Service", "Messenger", "messenger"); + + proto_register_field_array (proto_dcerpc_messenger, hf, array_length (hf)); + proto_register_subtree_array(ett, array_length(ett)); + +} + +void +proto_reg_handoff_dcerpc_messenger(void) +{ + /* Register protocol as dcerpc */ + + dcerpc_init_uuid(proto_dcerpc_messenger, ett_dcerpc_messenger, &uuid_dcerpc_messenger, + ver_dcerpc_messenger, dcerpc_messenger_dissectors, hf_messenger_opnum); +} + +/* + * Editor modelines - https://www.wireshark.org/tools/modelines.html + * + * Local variables: + * c-basic-offset: 8 + * tab-width: 8 + * indent-tabs-mode: t + * End: + * + * vi: set shiftwidth=8 tabstop=8 noexpandtab: + * :indentSize=8:tabSize=8:noTabs=false: + */ |