From 163045012ad566cd29595b4afa1283bdb902bc91 Mon Sep 17 00:00:00 2001 From: Nathan Neulinger Date: Mon, 6 Dec 1999 23:57:51 +0000 Subject: added simple irc dissector svn path=/trunk/; revision=1232 --- packet-irc.c | 156 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 156 insertions(+) create mode 100644 packet-irc.c (limited to 'packet-irc.c') diff --git a/packet-irc.c b/packet-irc.c new file mode 100644 index 0000000000..3ac3d57839 --- /dev/null +++ b/packet-irc.c @@ -0,0 +1,156 @@ +/* packet-irc.c + * Routines for MSX irc packet dissection + * + * $Id: packet-irc.c,v 1.1 1999/12/06 23:57:51 nneul Exp $ + * + * Ethereal - Network traffic analyzer + * By Gerald Combs + * Copyright 1998 Gerald Combs + * + * Copied from packet-tftp.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 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 + +#ifdef HAVE_SYS_TYPES_H +# include +#endif + +#ifdef HAVE_NETINET_IN_H +# include +#endif + +#include +#include +#include "packet.h" + +static int proto_irc = -1; +static int hf_irc_request = -1; +static int hf_irc_response = -1; +static int hf_irc_command = -1; + +static gint ett_irc = -1; + +void dissect_irc_request(proto_tree *tree, char *line, int offset, int len) +{ + proto_tree_add_item_hidden(tree, hf_irc_request, + offset, END_OF_FRAME, TRUE); + proto_tree_add_text(tree, offset, + END_OF_FRAME, "Request Line: %s", line); +} + +void dissect_irc_response(proto_tree *tree, char *line, int offset, int len) +{ + proto_tree_add_item_hidden(tree, hf_irc_response, + offset, END_OF_FRAME, TRUE); + proto_tree_add_text(tree, offset, + END_OF_FRAME, "Response Line: %s", line); +} + +void +dissect_irc(const u_char *pd, int offset, frame_data *fd, proto_tree *tree) +{ + proto_tree *irc_tree, *ti; + char *tmpline; + int start, cur, len; + const u_char *i = pd+offset; + + if (check_col(fd, COL_PROTOCOL)) + col_add_str(fd, COL_PROTOCOL, "IRC"); + + if (check_col(fd, COL_INFO)) + { + col_add_fstr(fd, COL_INFO, "%s", + (pi.match_port == pi.destport) ? "Request" : "Response"); + } + + if (tree) + { + ti = proto_tree_add_item(tree, proto_irc, offset, END_OF_FRAME, NULL); + irc_tree = proto_item_add_subtree(ti, ett_irc); + + start = 0; + len = 0; + tmpline = (char *)g_malloc( pi.captured_len ); + while ( i < pd + pi.captured_len ) + { + start = i-pd; + cur = 0; + tmpline[cur] = 0; + + /* copy up to end or cr/nl */ + while ( i < pd + pi.captured_len && *i != '\r' && *i != '\n' ) + { + tmpline[cur++] = *(i++); + } + tmpline[cur] = 0; + + /* skip any CR/NL */ + while ( i < pd + pi.captured_len && + (*i == '\r' || *i == '\n') ) + { + i++; + } + + if ( strlen(tmpline) > 0 ) + { + if (pi.match_port == pi.destport) + { + dissect_irc_request(irc_tree, tmpline, start, len); + } + else + { + dissect_irc_response(irc_tree, tmpline, start, len); + } + } + } + g_free(tmpline); + tmpline = 0; + } +} + +void +proto_register_irc(void) +{ + static hf_register_info hf[] = { + { &hf_irc_response, + { "Response", "irc.response", + FT_BOOLEAN, BASE_NONE, NULL, 0x0, + "TRUE if IRC response" }}, + + { &hf_irc_request, + { "Request", "irc.request", + FT_BOOLEAN, BASE_NONE, NULL, 0x0, + "TRUE if IRC request" }}, + + { &hf_irc_command, + { "Command", "irc.command", + FT_STRING, BASE_NONE, NULL, 0x0, + "Command associated with request" }} + }; + + static gint *ett[] = { + &ett_irc, + }; + proto_irc = proto_register_protocol("Internet Relay Chat", "irc"); + proto_register_field_array(proto_irc, hf, array_length(hf)); + proto_register_subtree_array(ett, array_length(ett)); +} -- cgit v1.2.3