diff options
author | Gilbert Ramirez <gram@alumni.rice.edu> | 2004-07-18 18:06:47 +0000 |
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committer | Gilbert Ramirez <gram@alumni.rice.edu> | 2004-07-18 18:06:47 +0000 |
commit | 669db206cb1f270046ad400fff7655e20c63e723 (patch) | |
tree | 4eff24a2e16c8963e497e1fc575f35e6af59bd26 /epan/dissectors/packet-sipfrag.c | |
parent | ae46c27a38700af669ef907491081f09df6f6b2c (diff) |
Move dissectors to epan/dissectors directory.
Also move ncp222.py, x11-fields, process-x11-fields.pl,
make-reg-dotc, and make-reg-dotc.py.
Adjust #include lines in files that include packet-*.h
files.
svn path=/trunk/; revision=11410
Diffstat (limited to 'epan/dissectors/packet-sipfrag.c')
-rw-r--r-- | epan/dissectors/packet-sipfrag.c | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/epan/dissectors/packet-sipfrag.c b/epan/dissectors/packet-sipfrag.c new file mode 100644 index 0000000000..c40bfaf89f --- /dev/null +++ b/epan/dissectors/packet-sipfrag.c @@ -0,0 +1,140 @@ +/* Routines for sipfrag packet disassembly (RFC 3420) + * + * Martin Mathieson + * Based on packet-sdp.c + * + * $Id$ + * + * 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 <epan/packet.h> + +/* + * TODO: + * Doesn't currently dissect the lines of the message. + * Need to refactor SIP dissector and make its functionality available here + */ + + +/* Initialize the protocol and registered fields. */ +static int proto_sipfrag = -1; +static int hf_line = -1; + +/* Protocol subtree. */ +static int ett_sipfrag = -1; + + +/* Main dissection function. */ +static void +dissect_sipfrag(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + proto_tree *sipfrag_tree; + proto_item *ti; + gint offset = 0; + gint next_offset; + int linelen; + char *string; + gint lines = 0; + + /* Append this protocol name rather than replace. */ + if (check_col(pinfo->cinfo, COL_PROTOCOL)) + col_append_str(pinfo->cinfo, COL_PROTOCOL, "/sipfrag"); + + /* Add mention of this protocol to info column */ + if (check_col(pinfo->cinfo, COL_INFO)) { + col_append_str(pinfo->cinfo, COL_INFO, ", with Sipfrag"); + } + + /* Create sipfrag tree. */ + ti = proto_tree_add_item(tree, proto_sipfrag, tvb, offset, -1, FALSE); + sipfrag_tree = proto_item_add_subtree(ti, ett_sipfrag); + + /* Show the sipfrag message a line at a time. */ + while (tvb_reported_length_remaining(tvb, offset) > 0) + { + /* Find the end of the line. */ + linelen = tvb_find_line_end_unquoted(tvb, offset, -1, &next_offset); + + /* For now, add all lines as unparsed strings */ + + /* Extract & add the string. */ + string = tvb_get_string(tvb, offset, linelen); + proto_tree_add_string_format(sipfrag_tree, hf_line, + tvb, offset, + linelen, string, + "%s", string); + lines++; + + /* Show first line in info column */ + if (lines == 1 && check_col(pinfo->cinfo, COL_INFO)) { + col_append_fstr(pinfo->cinfo, COL_INFO, "(%s", string); + } + + /* Finished with this string now. */ + g_free(string); + + /* Move onto next line. */ + offset = next_offset; + } + + /* Close off summary of sipfrag in info column */ + if (check_col(pinfo->cinfo, COL_INFO)) { + col_append_str(pinfo->cinfo, COL_INFO, (lines > 1) ? "...)" : ")"); + } +} + +void +proto_register_sipfrag(void) +{ + static hf_register_info hf[] = + { + { &hf_line, + { "Line", + "sipfrag.line",FT_STRING, BASE_NONE, NULL, 0x0, "Line", HFILL + } + }, + }; + + static gint *ett[] = + { + &ett_sipfrag + }; + + /* Register protocol. */ + proto_sipfrag = proto_register_protocol("Sipfrag", "SIPFRAG", "sipfrag"); + proto_register_field_array(proto_sipfrag, hf, array_length(hf)); + proto_register_subtree_array(ett, array_length(ett)); + + /* Allow other dissectors to find this one by name. */ + register_dissector("sipfrag", dissect_sipfrag, proto_sipfrag); +} + +void +proto_reg_handoff_sipfrag(void) +{ + dissector_handle_t sipfrag_handle = find_dissector("sipfrag"); + dissector_add_string("media_type", "message/sipfrag", sipfrag_handle); +} + + |