aboutsummaryrefslogtreecommitdiffstats
path: root/packet-v120.c
diff options
context:
space:
mode:
authorGilbert Ramirez <gram@alumni.rice.edu>2004-07-18 18:06:47 +0000
committerGilbert Ramirez <gram@alumni.rice.edu>2004-07-18 18:06:47 +0000
commit669db206cb1f270046ad400fff7655e20c63e723 (patch)
tree4eff24a2e16c8963e497e1fc575f35e6af59bd26 /packet-v120.c
parentae46c27a38700af669ef907491081f09df6f6b2c (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 'packet-v120.c')
-rw-r--r--packet-v120.c305
1 files changed, 0 insertions, 305 deletions
diff --git a/packet-v120.c b/packet-v120.c
deleted file mode 100644
index b47668fc2a..0000000000
--- a/packet-v120.c
+++ /dev/null
@@ -1,305 +0,0 @@
-/* packet-v120.c
- * Routines for v120 frame disassembly
- * Bert Driehuis <driehuis@playbeing.org>
- *
- * $Id$
- *
- * Ethereal - Network traffic analyzer
- * By Gerald Combs <gerald@ethereal.com>
- * Copyright 1998
- *
- * 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 <glib.h>
-#include <string.h>
-#include <epan/packet.h>
-#include "xdlc.h"
-
-static int proto_v120 = -1;
-static int hf_v120_address = -1;
-static int hf_v120_control = -1;
-static int hf_v120_n_r = -1;
-static int hf_v120_n_s = -1;
-static int hf_v120_p = -1;
-static int hf_v120_p_ext = -1;
-static int hf_v120_f = -1;
-static int hf_v120_f_ext = -1;
-static int hf_v120_s_ftype = -1;
-static int hf_v120_u_modifier_cmd = -1;
-static int hf_v120_u_modifier_resp = -1;
-static int hf_v120_ftype_i = -1;
-static int hf_v120_ftype_s_u = -1;
-static int hf_v120_ftype_s_u_ext = -1;
-static int hf_v120_header = -1;
-
-static gint ett_v120 = -1;
-static gint ett_v120_address = -1;
-static gint ett_v120_control = -1;
-static gint ett_v120_header = -1;
-
-static dissector_handle_t data_handle;
-
-static int dissect_v120_header(tvbuff_t *tvb, int offset, proto_tree *tree);
-
-/* Used only for U frames */
-static const xdlc_cf_items v120_cf_items = {
- NULL,
- NULL,
- &hf_v120_p,
- &hf_v120_f,
- NULL,
- &hf_v120_u_modifier_cmd,
- &hf_v120_u_modifier_resp,
- NULL,
- &hf_v120_ftype_s_u
-};
-
-/* Used only for I and S frames */
-static const xdlc_cf_items v120_cf_items_ext = {
- &hf_v120_n_r,
- &hf_v120_n_s,
- &hf_v120_p_ext,
- &hf_v120_f_ext,
- &hf_v120_s_ftype,
- NULL,
- NULL,
- &hf_v120_ftype_i,
- &hf_v120_ftype_s_u_ext
-};
-
-static void
-dissect_v120(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
-{
- proto_tree *v120_tree, *tc, *address_tree;
- proto_item *ti;
- int is_response;
- int addr;
- char info[80];
- int v120len;
- guint8 byte0, byte1;
- guint16 control;
- tvbuff_t *next_tvb;
-
- if (check_col(pinfo->cinfo, COL_PROTOCOL))
- col_set_str(pinfo->cinfo, COL_PROTOCOL, "V.120");
- if (check_col(pinfo->cinfo, COL_INFO))
- col_clear(pinfo->cinfo, COL_INFO);
-
- byte0 = tvb_get_guint8(tvb, 0);
-
- if(check_col(pinfo->cinfo, COL_RES_DL_SRC))
- col_add_fstr(pinfo->cinfo, COL_RES_DL_SRC, "0x%02X", byte0);
-
- byte1 = tvb_get_guint8(tvb, 1);
-
- if ((byte0 & 0x01) != 0x00 && (byte1 && 0x01) != 0x01)
- {
- if (check_col(pinfo->cinfo, COL_INFO))
- col_set_str(pinfo->cinfo, COL_INFO, "Invalid V.120 frame");
- if (tree)
- ti = proto_tree_add_protocol_format(tree, proto_v120, tvb, 0, -1,
- "Invalid V.120 frame");
- return;
- }
-
- if (pinfo->p2p_dir == P2P_DIR_SENT) {
- is_response = (byte0 & 0x02) ? FALSE: TRUE;
- if(check_col(pinfo->cinfo, COL_RES_DL_DST))
- col_set_str(pinfo->cinfo, COL_RES_DL_DST, "DCE");
- if(check_col(pinfo->cinfo, COL_RES_DL_SRC))
- col_set_str(pinfo->cinfo, COL_RES_DL_SRC, "DTE");
- } else {
- /* XXX - what if the direction is unknown? */
- is_response = (byte0 & 0x02) ? TRUE : FALSE;
- if(check_col(pinfo->cinfo, COL_RES_DL_DST))
- col_set_str(pinfo->cinfo, COL_RES_DL_DST, "DTE");
- if(check_col(pinfo->cinfo, COL_RES_DL_SRC))
- col_set_str(pinfo->cinfo, COL_RES_DL_SRC, "DCE");
- }
-
- if (tree) {
- ti = proto_tree_add_protocol_format(tree, proto_v120, tvb, 0, -1, "V.120");
- v120_tree = proto_item_add_subtree(ti, ett_v120);
- addr = byte1 << 8 | byte0;
- sprintf(info, "LLI: %d C/R: %s",
- ((byte0 & 0xfc) << 5) | ((byte1 & 0xfe) >> 1),
- byte0 & 0x02 ? "R" : "C");
- tc = proto_tree_add_text(v120_tree, tvb,
- 0, 2,
- "Address field: %s", info);
- address_tree = proto_item_add_subtree(tc, ett_v120_address);
- proto_tree_add_text(address_tree, tvb, 0, 2,
- decode_boolean_bitfield(addr, 0x0002, 2*8,
- "Response", "Command"), NULL);
- sprintf(info, "LLI: %d", ((byte0 & 0xfc) << 5) | ((byte1 & 0xfe) >> 1));
- proto_tree_add_text(address_tree, tvb, 0, 2,
- decode_numeric_bitfield(addr, 0xfefc, 2*8, info));
- proto_tree_add_text(address_tree, tvb, 0, 2,
- decode_boolean_bitfield(addr, 0x0001, 2*8,
- "EA0 = 1 (Error)", "EA0 = 0"), NULL);
- proto_tree_add_text(address_tree, tvb, 0, 2,
- decode_boolean_bitfield(addr, 0x0100, 2*8,
- "EA1 = 1", "EA1 = 0 (Error)"), NULL);
- }
- else {
- v120_tree = NULL;
- ti = NULL;
- }
- control = dissect_xdlc_control(tvb, 2, pinfo, v120_tree, hf_v120_control,
- ett_v120_control, &v120_cf_items, &v120_cf_items_ext,
- NULL, NULL, is_response, TRUE, FALSE);
- if (tree) {
- v120len = 2 + XDLC_CONTROL_LEN(control, TRUE);
- if (tvb_bytes_exist(tvb, v120len, 1))
- v120len += dissect_v120_header(tvb, v120len, v120_tree);
- proto_item_set_len(ti, v120len);
- next_tvb = tvb_new_subset(tvb, v120len, -1, -1);
- call_dissector(data_handle,next_tvb, pinfo, v120_tree);
- }
-}
-
-static int
-dissect_v120_header(tvbuff_t *tvb, int offset, proto_tree *tree)
-{
- char info[80];
- int header_len, nbits;
- int header;
- proto_tree *h_tree, *tc;
- guint8 byte0;
-
- byte0 = tvb_get_guint8(tvb, offset);
-
- if (byte0 & 0x80) {
- header_len = 1;
- header = byte0;
- } else {
- header_len = 2;
- header = byte0 | tvb_get_guint8(tvb, offset + 1) << 8;
- }
- nbits = header_len * 8;
- sprintf(info, "Header: B: %d F: %d", byte0 & 0x02 ? 1:0,
- byte0 & 0x01 ? 1:0);
- tc = proto_tree_add_text(tree, tvb,
- offset, header_len,
- "Header octet: %s (0x%02X)", info, byte0);
- h_tree = proto_item_add_subtree(tc, ett_v120_header);
- proto_tree_add_text(h_tree, tvb, offset, header_len,
- decode_boolean_bitfield(header, 0x80, nbits,
- "No extension octet", "Extension octet follows"), NULL);
- proto_tree_add_text(h_tree, tvb, offset, header_len,
- decode_boolean_bitfield(header, 0x40, nbits,
- "Break condition", "No break condition"), NULL);
- sprintf(info, "Error control C1/C2: %d", (header & 0x0c) >> 2);
- proto_tree_add_text(h_tree, tvb, offset, header_len,
- decode_numeric_bitfield(header, 0x0c, nbits, info));
- proto_tree_add_text(h_tree, tvb, offset, header_len,
- decode_boolean_bitfield(header, 0x02, nbits,
- "Segmentation bit B", "No segmentation bit B"), NULL);
- proto_tree_add_text(h_tree, tvb, offset, header_len,
- decode_boolean_bitfield(header, 0x01, nbits,
- "Segmentation bit F", "No segmentation bit F"), NULL);
- if (header_len == 2) {
- proto_tree_add_text(h_tree, tvb, offset, header_len,
- decode_boolean_bitfield(header, 0x8000, nbits,
- "E", "E bit not set (Error)"), NULL);
- proto_tree_add_text(h_tree, tvb, offset, header_len,
- decode_boolean_bitfield(header, 0x4000, nbits,
- "DR", "No DR"), NULL);
- proto_tree_add_text(h_tree, tvb, offset, header_len,
- decode_boolean_bitfield(header, 0x2000, nbits,
- "SR", "No SR"), NULL);
- proto_tree_add_text(h_tree, tvb, offset, header_len,
- decode_boolean_bitfield(header, 0x1000, nbits,
- "RR", "No RR"), NULL);
- }
- return header_len;
-}
-
-void
-proto_register_v120(void)
-{
- static hf_register_info hf[] = {
- { &hf_v120_address,
- { "Link Address", "v120.address", FT_UINT16, BASE_HEX, NULL,
- 0x0, "", HFILL }},
- { &hf_v120_control,
- { "Control Field", "v120.control", FT_UINT16, BASE_HEX, NULL, 0x0,
- "", HFILL }},
- { &hf_v120_n_r,
- { "N(R)", "v120.control.n_r", FT_UINT16, BASE_DEC,
- NULL, XDLC_N_R_EXT_MASK, "", HFILL }},
- { &hf_v120_n_s,
- { "N(S)", "v120.control.n_s", FT_UINT16, BASE_DEC,
- NULL, XDLC_N_S_EXT_MASK, "", HFILL }},
- { &hf_v120_p,
- { "Poll", "v120.control.p", FT_BOOLEAN, 8,
- TFS(&flags_set_truth), XDLC_P_F, "", HFILL }},
- { &hf_v120_p_ext,
- { "Poll", "v120.control.p", FT_BOOLEAN, 16,
- TFS(&flags_set_truth), XDLC_P_F_EXT, "", HFILL }},
- { &hf_v120_f,
- { "Final", "v120.control.f", FT_BOOLEAN, 8,
- TFS(&flags_set_truth), XDLC_P_F, "", HFILL }},
- { &hf_v120_f_ext,
- { "Final", "v120.control.f", FT_BOOLEAN, 16,
- TFS(&flags_set_truth), XDLC_P_F_EXT, "", HFILL }},
- { &hf_v120_s_ftype,
- { "Supervisory frame type", "v120.control.s_ftype", FT_UINT16, BASE_HEX,
- VALS(stype_vals), XDLC_S_FTYPE_MASK, "", HFILL }},
- { &hf_v120_u_modifier_cmd,
- { "Command", "v120.control.u_modifier_cmd", FT_UINT8, BASE_HEX,
- VALS(modifier_vals_cmd), XDLC_U_MODIFIER_MASK, "", HFILL }},
- { &hf_v120_u_modifier_resp,
- { "Response", "v120.control.u_modifier_resp", FT_UINT8, BASE_HEX,
- VALS(modifier_vals_resp), XDLC_U_MODIFIER_MASK, "", HFILL }},
- { &hf_v120_ftype_i,
- { "Frame type", "v120.control.ftype", FT_UINT16, BASE_HEX,
- VALS(ftype_vals), XDLC_I_MASK, "", HFILL }},
- { &hf_v120_ftype_s_u,
- { "Frame type", "v120.control.ftype", FT_UINT8, BASE_HEX,
- VALS(ftype_vals), XDLC_S_U_MASK, "", HFILL }},
- { &hf_v120_ftype_s_u_ext,
- { "Frame type", "v120.control.ftype", FT_UINT16, BASE_HEX,
- VALS(ftype_vals), XDLC_S_U_MASK, "", HFILL }},
- { &hf_v120_header,
- { "Header Field", "v120.header", FT_STRING, BASE_NONE, NULL, 0x0,
- "", HFILL }},
- };
- static gint *ett[] = {
- &ett_v120,
- &ett_v120_address,
- &ett_v120_control,
- &ett_v120_header,
- };
-
- proto_v120 = proto_register_protocol("Async data over ISDN (V.120)",
- "V.120", "v120");
- proto_register_field_array (proto_v120, hf, array_length(hf));
- proto_register_subtree_array(ett, array_length(ett));
-
- register_dissector("v120", dissect_v120, proto_v120);
-}
-
-void
-proto_reg_handoff_v120(void)
-{
- data_handle = find_dissector("data");
-}