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Diffstat (limited to 'epan/dissectors/packet-gift.c')
| -rw-r--r-- | epan/dissectors/packet-gift.c | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/epan/dissectors/packet-gift.c b/epan/dissectors/packet-gift.c new file mode 100644 index 0000000000..1022a637e9 --- /dev/null +++ b/epan/dissectors/packet-gift.c @@ -0,0 +1,160 @@ +/* packet-gift.c + * Routines for giFT Internet File Transfer dissection + * Copyright 2000, Jon Oberheide <jon@oberheide.org> + * + * See http://www.giftproject.org/ + * + * $Id$ + * + * Ethereal - Network traffic analyzer + * By Gerald Combs <gerald@ethereal.com> + * Copyright 1998 Gerald Combs + * + * 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 2 + * 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, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <glib.h> +#include <epan/packet.h> +#include <epan/strutil.h> + +#define TCP_PORT_GIFT 1213 + +static int proto_gift = -1; +static int hf_gift_response = -1; +static int hf_gift_request = -1; + +static gint ett_gift = -1; +static gint ett_gift_cmd = -1; + +static void +dissect_gift(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + proto_item *ti; + proto_tree *gift_tree, *cmd_tree; + gboolean is_request; + gint offset = 0; + const guchar *line; + gint next_offset; + int linelen; + int tokenlen; + const guchar *next_token; + + /* set "Protocol" column text */ + if (check_col(pinfo->cinfo, COL_PROTOCOL)) + col_set_str(pinfo->cinfo, COL_PROTOCOL, "giFT"); + + /* determine whether it is a request to or response from the server */ + if (pinfo->match_port == pinfo->destport) + is_request = TRUE; + else + is_request = FALSE; + + linelen = tvb_find_line_end(tvb, offset, -1, &next_offset, FALSE); + line = tvb_get_ptr(tvb, offset, linelen); + + /* clear the "Info" column */ + if (check_col(pinfo->cinfo, COL_INFO)) + col_clear(pinfo->cinfo, COL_INFO); + + /* set "Info" column text */ + if (check_col(pinfo->cinfo, COL_INFO)) + col_add_fstr(pinfo->cinfo, COL_INFO, "%s: %s", + is_request ? "Request" : "Response", + format_text(line, linelen)); + + /* if tree != NULL, build protocol tree */ + if (tree) { + ti = proto_tree_add_item(tree, proto_gift, tvb, 0, -1, FALSE); + gift_tree = proto_item_add_subtree(ti, ett_gift); + + if (is_request) { + proto_tree_add_boolean_hidden(gift_tree, hf_gift_request, tvb, 0, 0, TRUE); + } else { + proto_tree_add_boolean_hidden(gift_tree, hf_gift_response, tvb, 0, 0, TRUE); + } + + ti = proto_tree_add_text(gift_tree, tvb, offset, next_offset - offset, "%s", + tvb_format_text(tvb, offset, next_offset - offset)); + cmd_tree = proto_item_add_subtree(ti, ett_gift_cmd); + + tokenlen = get_token_len(line, line + linelen, &next_token); + if (tokenlen != 0) { + if (is_request) { + proto_tree_add_text(cmd_tree, tvb, offset, + tokenlen, "Request Command: %s", + format_text(line, tokenlen)); + } else { + proto_tree_add_text(cmd_tree, tvb, offset, + tokenlen, "Response Command: %s", + format_text(line, tokenlen)); + } + offset += next_token - line; + linelen -= next_token - line; + line = next_token; + } + + if (linelen != 0) { + if (is_request) { + proto_tree_add_text(cmd_tree, tvb, offset, + linelen, "Request Arg: %s", + format_text(line, linelen)); + } else { + proto_tree_add_text(cmd_tree, tvb, offset, + linelen, "Response Arg: %s", + format_text(line, linelen)); + } + } + } +} + +void +proto_register_gift(void) +{ + static hf_register_info hf[] = { + { &hf_gift_response, + { "Response", "gift.response", FT_BOOLEAN, BASE_NONE, NULL, 0x0, "TRUE if giFT response", HFILL } + }, + { &hf_gift_request, + { "Request", "gift.request", FT_BOOLEAN, BASE_NONE, NULL, 0x0, "TRUE if giFT request", HFILL } + } + }; + + static gint *ett[] = { + &ett_gift, + &ett_gift_cmd, + }; + + proto_gift = proto_register_protocol("giFT Internet File Transfer", + "giFT", "gift"); + + proto_register_field_array(proto_gift, hf, array_length(hf)); + proto_register_subtree_array(ett, array_length(ett)); +} + +void +proto_reg_handoff_gift(void) +{ + dissector_handle_t gift_handle; + + gift_handle = create_dissector_handle(dissect_gift, proto_gift); + dissector_add("tcp.port", TCP_PORT_GIFT, gift_handle); +} |