forked from osmocom/wireshark
![Dario Lombardo](/assets/img/avatar_default.png)
Change-Id: I92c94448e6641716d03158a5f332c8b53709423a Reviewed-on: https://code.wireshark.org/review/25756 Petri-Dish: Dario Lombardo <lomato@gmail.com> Reviewed-by: Anders Broman <a.broman58@gmail.com>
164 lines
4.6 KiB
C
164 lines
4.6 KiB
C
/* packet-gift.c
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* Routines for giFT Internet File Transfer dissection
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* Copyright 2000, Jon Oberheide <jon@oberheide.org>
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*
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* See http://www.giftproject.org/
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "config.h"
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#include <epan/packet.h>
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#include <epan/strutil.h>
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void proto_register_gift(void);
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void proto_reg_handoff_gift(void);
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#define TCP_PORT_GIFT 1213 /* Not IANA registered */
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static int proto_gift = -1;
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static int hf_gift_response = -1;
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static int hf_gift_request = -1;
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static int hf_gift_response_cmd = -1;
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static int hf_gift_response_arg = -1;
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static int hf_gift_request_cmd = -1;
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static int hf_gift_request_arg = -1;
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static gint ett_gift = -1;
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static gint ett_gift_cmd = -1;
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static int
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dissect_gift(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
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{
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proto_item *ti, *hidden_item;
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proto_tree *gift_tree, *cmd_tree;
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gboolean is_request;
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gint offset = 0;
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const guchar *line;
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gint next_offset;
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int linelen;
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int tokenlen;
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const guchar *next_token;
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/* set "Protocol" column text */
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col_set_str(pinfo->cinfo, COL_PROTOCOL, "giFT");
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/* determine whether it is a request to or response from the server */
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if (pinfo->match_uint == pinfo->destport)
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is_request = TRUE;
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else
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is_request = FALSE;
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linelen = tvb_find_line_end(tvb, offset, -1, &next_offset, FALSE);
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line = tvb_get_ptr(tvb, offset, linelen);
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/* set "Info" column text */
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col_add_fstr(pinfo->cinfo, COL_INFO, "%s: %s",
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is_request ? "Request" : "Response",
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format_text(wmem_packet_scope(), line, linelen));
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/* if tree != NULL, build protocol tree */
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if (tree) {
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ti = proto_tree_add_item(tree, proto_gift, tvb, 0, -1, ENC_NA);
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gift_tree = proto_item_add_subtree(ti, ett_gift);
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if (is_request) {
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hidden_item = proto_tree_add_boolean(gift_tree, hf_gift_request, tvb, 0, 0, TRUE);
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} else {
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hidden_item = proto_tree_add_boolean(gift_tree, hf_gift_response, tvb, 0, 0, TRUE);
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}
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PROTO_ITEM_SET_HIDDEN(hidden_item);
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ti = proto_tree_add_format_text(gift_tree, tvb, offset, next_offset - offset);
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cmd_tree = proto_item_add_subtree(ti, ett_gift_cmd);
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tokenlen = get_token_len(line, line + linelen, &next_token);
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if (tokenlen != 0) {
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if (is_request) {
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proto_tree_add_string(cmd_tree, hf_gift_request_cmd, tvb, offset,
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tokenlen, format_text(wmem_packet_scope(), line, tokenlen));
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} else {
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proto_tree_add_string(cmd_tree, hf_gift_response_cmd, tvb, offset,
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tokenlen, format_text(wmem_packet_scope(), line, tokenlen));
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}
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offset += (gint) (next_token - line);
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linelen -= (int) (next_token - line);
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line = next_token;
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}
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if (linelen != 0) {
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if (is_request) {
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proto_tree_add_string(cmd_tree, hf_gift_request_arg, tvb, offset,
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linelen, format_text(wmem_packet_scope(), line, linelen));
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} else {
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proto_tree_add_string(cmd_tree, hf_gift_response_arg, tvb, offset,
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linelen, format_text(wmem_packet_scope(), line, linelen));
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}
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}
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}
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return tvb_captured_length(tvb);
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}
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void
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proto_register_gift(void)
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{
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static hf_register_info hf[] = {
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{ &hf_gift_response,
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{ "Response", "gift.response", FT_BOOLEAN, BASE_NONE, NULL, 0x0, "TRUE if giFT response", HFILL }
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},
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{ &hf_gift_request,
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{ "Request", "gift.request", FT_BOOLEAN, BASE_NONE, NULL, 0x0, "TRUE if giFT request", HFILL }
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},
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{ &hf_gift_response_cmd,
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{ "Response Command", "gift.response_cmd", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }
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},
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{ &hf_gift_response_arg,
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{ "Response Arg", "gift.response_arg", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }
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},
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{ &hf_gift_request_cmd,
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{ "Request Command", "gift.request_cmd", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }
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},
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{ &hf_gift_request_arg,
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{ "Request Arg", "gift.request_arg", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }
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},
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};
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static gint *ett[] = {
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&ett_gift,
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&ett_gift_cmd,
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};
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proto_gift = proto_register_protocol("giFT Internet File Transfer",
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"giFT", "gift");
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proto_register_field_array(proto_gift, hf, array_length(hf));
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proto_register_subtree_array(ett, array_length(ett));
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}
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void
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proto_reg_handoff_gift(void)
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{
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dissector_handle_t gift_handle;
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gift_handle = create_dissector_handle(dissect_gift, proto_gift);
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dissector_add_uint_with_preference("tcp.port", TCP_PORT_GIFT, gift_handle);
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}
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/*
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* Editor modelines - http://www.wireshark.org/tools/modelines.html
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*
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* Local variables:
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* c-basic-offset: 8
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* tab-width: 8
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* indent-tabs-mode: t
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* End:
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*
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* vi: set shiftwidth=8 tabstop=8 noexpandtab:
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* :indentSize=8:tabSize=8:noTabs=false:
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*/
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