![Michael Mann](/assets/img/avatar_default.png)
Change-Id: I8df48b25de784a48a25f0e48aac1e1545ed92c35 Reviewed-on: https://code.wireshark.org/review/2865 Reviewed-by: Michael Mann <mmann78@netscape.net>
6809 lines
248 KiB
C
6809 lines
248 KiB
C
/* packet-ppp.c
|
|
* Routines for ppp packet disassembly
|
|
* RFC 1661, RFC 1662
|
|
*
|
|
* Wireshark - Network traffic analyzer
|
|
* By Gerald Combs <gerald@wireshark.org>
|
|
*
|
|
* This file created and by Mike Hall <mlh@io.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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include <glib.h>
|
|
#include <epan/packet.h>
|
|
#include <wsutil/pint.h>
|
|
#include <epan/prefs.h>
|
|
#include <epan/wmem/wmem.h>
|
|
#include "packet-ppp.h"
|
|
#include <epan/ppptypes.h>
|
|
#include <epan/etypes.h>
|
|
#include <epan/expert.h>
|
|
#include <epan/ip_opts.h>
|
|
#include <epan/atalk-utils.h>
|
|
#include "packet-chdlc.h"
|
|
#include "packet-ip.h"
|
|
#include "packet-ipx.h"
|
|
#include "packet-vines.h"
|
|
#include <epan/nlpid.h>
|
|
#include <epan/crc16-tvb.h>
|
|
#include <epan/crc32-tvb.h>
|
|
#include <epan/ipproto.h>
|
|
#include <epan/addr_resolv.h>
|
|
#include <epan/oui.h>
|
|
#include "packet-usb.h"
|
|
#include "packet-sll.h"
|
|
|
|
void proto_register_ppp_raw_hdlc(void);
|
|
void proto_reg_handoff_ppp_raw_hdlc(void);
|
|
void proto_register_ppp(void);
|
|
void proto_reg_handoff_ppp(void);
|
|
void proto_register_mp(void);
|
|
void proto_reg_handoff_mp(void);
|
|
void proto_register_lcp(void);
|
|
void proto_reg_handoff_lcp(void);
|
|
void proto_register_vsncp(void);
|
|
void proto_reg_handoff_vsncp(void);
|
|
void proto_register_vsnp(void);
|
|
void proto_reg_handoff_vsnp(void);
|
|
void proto_register_ipcp(void);
|
|
void proto_reg_handoff_ipcp(void);
|
|
void proto_register_bcp(void);
|
|
void proto_register_osinlcp(void);
|
|
void proto_reg_handoff_bcp(void);
|
|
void proto_reg_handoff_osinlcp(void);
|
|
void proto_register_ccp(void);
|
|
void proto_reg_handoff_ccp(void);
|
|
void proto_register_cbcp(void);
|
|
void proto_reg_handoff_cbcp(void);
|
|
void proto_register_bacp(void);
|
|
void proto_reg_handoff_bacp(void);
|
|
void proto_register_bap(void);
|
|
void proto_reg_handoff_bap(void);
|
|
void proto_register_comp_data(void);
|
|
void proto_reg_handoff_comp_data(void);
|
|
void proto_register_pap(void);
|
|
void proto_reg_handoff_pap(void);
|
|
void proto_register_chap(void);
|
|
void proto_reg_handoff_chap(void);
|
|
void proto_register_pppmuxcp(void);
|
|
void proto_reg_handoff_pppmuxcp(void);
|
|
void proto_register_pppmux(void);
|
|
void proto_reg_handoff_pppmux(void);
|
|
void proto_register_mplscp(void);
|
|
void proto_reg_handoff_mplscp(void);
|
|
void proto_register_cdpcp(void);
|
|
void proto_reg_handoff_cdpcp(void);
|
|
void proto_register_ipv6cp(void);
|
|
void proto_reg_handoff_ipv6cp(void);
|
|
void proto_register_iphc_crtp(void);
|
|
void proto_reg_handoff_iphc_crtp(void);
|
|
|
|
|
|
static int proto_ppp = -1;
|
|
static int hf_ppp_direction = -1;
|
|
static int hf_ppp_address = -1;
|
|
static int hf_ppp_control = -1;
|
|
static int hf_ppp_protocol = -1;
|
|
static int hf_ppp_code = -1;
|
|
static int hf_ppp_identifier = -1;
|
|
static int hf_ppp_length = -1;
|
|
static int hf_ppp_magic_number = -1;
|
|
static int hf_ppp_oui = -1;
|
|
static int hf_ppp_kind = -1;
|
|
static int hf_ppp_data = -1;
|
|
static int hf_ppp_opt_type = -1;
|
|
static int hf_ppp_opt_type_copy = -1;
|
|
static int hf_ppp_opt_type_class = -1;
|
|
static int hf_ppp_opt_type_number = -1;
|
|
|
|
static gint ett_ppp = -1;
|
|
static gint ett_ppp_opt_type = -1;
|
|
|
|
static expert_field ei_ppp_opt_len_invalid = EI_INIT;
|
|
|
|
static int proto_ppp_hdlc = -1;
|
|
|
|
static gint ett_ppp_hdlc_data = -1;
|
|
|
|
static int proto_lcp = -1;
|
|
|
|
static gint ett_lcp = -1;
|
|
static gint ett_lcp_options = -1;
|
|
static gint ett_lcp_vendor_opt = -1;
|
|
static gint ett_lcp_mru_opt = -1;
|
|
static gint ett_lcp_asyncmap_opt = -1;
|
|
static gint ett_lcp_authprot_opt = -1;
|
|
static gint ett_lcp_qualprot_opt = -1;
|
|
static gint ett_lcp_magicnumber_opt = -1;
|
|
static gint ett_lcp_linkqualmon_opt = -1;
|
|
static gint ett_lcp_pcomp_opt = -1;
|
|
static gint ett_lcp_acccomp_opt = -1;
|
|
static gint ett_lcp_fcs_alternatives_opt = -1;
|
|
static gint ett_lcp_self_desc_pad_opt = -1;
|
|
static gint ett_lcp_numbered_mode_opt = -1;
|
|
static gint ett_lcp_callback_opt = -1;
|
|
static gint ett_lcp_compound_frames_opt = -1;
|
|
static gint ett_lcp_nomdataencap_opt = -1;
|
|
static gint ett_lcp_multilink_mrru_opt = -1;
|
|
static gint ett_lcp_multilink_ssnh_opt = -1;
|
|
static gint ett_lcp_multilink_ep_disc_opt = -1;
|
|
static gint ett_lcp_magic_block = -1;
|
|
static gint ett_lcp_dce_identifier_opt = -1;
|
|
static gint ett_lcp_multilink_pp_opt = -1;
|
|
static gint ett_lcp_bacp_link_discrim_opt = -1;
|
|
static gint ett_lcp_auth_opt = -1;
|
|
static gint ett_lcp_cobs_opt = -1;
|
|
static gint ett_lcp_prefix_elision_opt = -1;
|
|
static gint ett_multilink_hdr_fmt_opt = -1;
|
|
static gint ett_lcp_internationalization_opt = -1;
|
|
static gint ett_lcp_simple_opt = -1;
|
|
|
|
static int proto_ipcp = -1;
|
|
|
|
static gint ett_ipcp = -1;
|
|
static gint ett_ipcp_options = -1;
|
|
static gint ett_ipcp_ipaddrs_opt = -1;
|
|
static gint ett_ipcp_compress_opt = -1;
|
|
static gint ett_ipcp_ipaddr_opt = -1;
|
|
static gint ett_ipcp_mobileipv4_opt = -1;
|
|
static gint ett_ipcp_pridns_opt = -1;
|
|
static gint ett_ipcp_secdns_opt = -1;
|
|
static gint ett_ipcp_prinbns_opt = -1;
|
|
static gint ett_ipcp_secnbns_opt = -1;
|
|
|
|
static gint ett_ipcp_iphc_rtp_compress_opt = -1;
|
|
static gint ett_ipcp_iphc_enhanced_rtp_compress_opt = -1;
|
|
static gint ett_ipcp_iphc_neghdrcomp_opt = -1;
|
|
static gint ett_ipcp_rohc_profiles_opt = -1;
|
|
|
|
static int proto_vsncp = -1;
|
|
|
|
static gint ett_vsncp = -1;
|
|
static gint ett_vsncp_options = -1;
|
|
|
|
static int proto_vsnp = -1;
|
|
static gint hf_vsnp_pdnid = -1;
|
|
|
|
static gint ett_vsnp =-1;
|
|
|
|
static int proto_osinlcp = -1;
|
|
|
|
static gint ett_osinlcp = -1;
|
|
static gint ett_osinlcp_options = -1;
|
|
static gint ett_osinlcp_align_npdu_opt = -1;
|
|
|
|
static int proto_bcp = -1;
|
|
static int hf_bcp_flags = -1;
|
|
static int hf_bcp_fcs_present = -1;
|
|
static int hf_bcp_zeropad = -1;
|
|
static int hf_bcp_bcontrol = -1;
|
|
static int hf_bcp_pads = -1;
|
|
static int hf_bcp_mac_type = -1;
|
|
|
|
static gint ett_bcp = -1;
|
|
static gint ett_bcp_flags = -1;
|
|
|
|
static int proto_ccp = -1;
|
|
|
|
static gint ett_ccp = -1;
|
|
static gint ett_ccp_options = -1;
|
|
static gint ett_ccp_oui_opt = -1;
|
|
static gint ett_ccp_predict1_opt = -1;
|
|
static gint ett_ccp_predict2_opt = -1;
|
|
static gint ett_ccp_puddle_opt = -1;
|
|
static gint ett_ccp_hpppc_opt = -1;
|
|
static gint ett_ccp_stac_opt = -1;
|
|
static gint ett_ccp_stac_opt_check_mode = -1;
|
|
static gint ett_ccp_mppe_opt = -1;
|
|
static gint ett_ccp_mppe_opt_supp_bits = -1;
|
|
static gint ett_ccp_gfza_opt = -1;
|
|
static gint ett_ccp_v42bis_opt = -1;
|
|
static gint ett_ccp_bsdcomp_opt = -1;
|
|
static gint ett_ccp_lzsdcp_opt = -1;
|
|
static gint ett_ccp_mvrca_opt = -1;
|
|
static gint ett_ccp_dce_opt = -1;
|
|
static gint ett_ccp_deflate_opt = -1;
|
|
static gint ett_ccp_v44lzjh_opt = -1;
|
|
|
|
static int proto_cbcp = -1;
|
|
|
|
static gint ett_cbcp = -1;
|
|
static gint ett_cbcp_options = -1;
|
|
static gint ett_cbcp_callback_opt = -1;
|
|
static gint ett_cbcp_callback_opt_addr = -1;
|
|
|
|
static int proto_bacp = -1;
|
|
|
|
static gint ett_bacp = -1;
|
|
static gint ett_bacp_options = -1;
|
|
static gint ett_bacp_favored_peer_opt = -1;
|
|
|
|
static int proto_bap = -1;
|
|
|
|
static gint ett_bap = -1;
|
|
static gint ett_bap_options = -1;
|
|
static gint ett_bap_link_type_opt = -1;
|
|
static gint ett_bap_phone_delta_opt = -1;
|
|
static gint ett_bap_phone_delta_subopt = -1;
|
|
static gint ett_bap_call_status_opt = -1;
|
|
|
|
static int proto_comp_data = -1;
|
|
|
|
#if 0 /* see dissect_comp_data() */
|
|
static gint ett_comp_data = -1;
|
|
#endif
|
|
static int proto_pppmuxcp = -1;
|
|
|
|
static int hf_pppmux_flags_pid = -1;
|
|
static int hf_pppmux_flags_field_length = -1;
|
|
|
|
static gint ett_pppmuxcp = -1;
|
|
static gint ett_pppmuxcp_options = -1;
|
|
|
|
static int proto_pppmux = -1;
|
|
static int hf_pppmux_protocol = -1;
|
|
|
|
static gint ett_pppmux = -1;
|
|
static gint ett_pppmux_subframe = -1;
|
|
static gint ett_pppmux_subframe_hdr = -1;
|
|
static gint ett_pppmux_subframe_flags = -1;
|
|
static gint ett_pppmux_subframe_info = -1;
|
|
|
|
static int proto_mp = -1;
|
|
static int hf_mp_frag_first = -1;
|
|
static int hf_mp_frag_last = -1;
|
|
static int hf_mp_short_sequence_num_reserved = -1;
|
|
static int hf_mp_sequence_num = -1;
|
|
static int hf_mp_sequence_num_reserved = -1;
|
|
static int hf_mp_short_sequence_num = -1;
|
|
|
|
static int ett_mp = -1;
|
|
static int ett_mp_flags = -1;
|
|
|
|
static int proto_mplscp = -1;
|
|
static gint ett_mplscp = -1;
|
|
static gint ett_mplscp_options = -1;
|
|
|
|
static int proto_cdpcp = -1;
|
|
static gint ett_cdpcp = -1;
|
|
static gint ett_cdpcp_options = -1;
|
|
|
|
static int proto_pap = -1; /* PAP vars */
|
|
static gint ett_pap = -1;
|
|
static gint ett_pap_data = -1;
|
|
|
|
static gint hf_pap_code = -1;
|
|
static gint hf_pap_identifier = -1;
|
|
static gint hf_pap_length = -1;
|
|
static gint hf_pap_data = -1;
|
|
static gint hf_pap_peer_id = -1;
|
|
static gint hf_pap_peer_id_length = -1;
|
|
static gint hf_pap_password = -1;
|
|
static gint hf_pap_password_length = -1;
|
|
static gint hf_pap_message = -1;
|
|
static gint hf_pap_message_length = -1;
|
|
static gint hf_pap_stuff = -1;
|
|
|
|
static int proto_chap = -1; /* CHAP vars */
|
|
static gint ett_chap = -1;
|
|
static gint ett_chap_data = -1;
|
|
|
|
|
|
static gint hf_chap_code = -1;
|
|
static gint hf_chap_identifier = -1;
|
|
static gint hf_chap_length = -1;
|
|
static gint hf_chap_data = -1;
|
|
static gint hf_chap_value_size = -1;
|
|
static gint hf_chap_value = -1;
|
|
static gint hf_chap_name = -1;
|
|
static gint hf_chap_message = -1;
|
|
|
|
|
|
static int proto_ipv6cp = -1; /* IPv6CP vars */
|
|
|
|
static gint ett_ipv6cp = -1;
|
|
static gint ett_ipv6cp_options = -1;
|
|
static gint ett_ipv6cp_if_id_opt = -1;
|
|
static gint ett_ipv6cp_compress_opt = -1;
|
|
|
|
static int proto_iphc_crtp = -1; /* CRTP vars */
|
|
static int hf_iphc_crtp_cid8 = -1;
|
|
static int hf_iphc_crtp_cid16 = -1;
|
|
static int hf_iphc_crtp_gen = -1;
|
|
static int hf_iphc_crtp_seq = -1;
|
|
static int hf_iphc_crtp_fh_flags = -1;
|
|
static int hf_iphc_crtp_cs_flags = -1;
|
|
static int hf_iphc_crtp_cs_cnt = -1;
|
|
static int hf_iphc_crtp_cs_invalid = -1;
|
|
|
|
static gint ett_iphc_crtp = -1;
|
|
static gint ett_iphc_crtp_hdr = -1;
|
|
static gint ett_iphc_crtp_info = -1;
|
|
|
|
static dissector_table_t ppp_subdissector_table;
|
|
static dissector_handle_t chdlc_handle;
|
|
static dissector_handle_t data_handle;
|
|
static dissector_handle_t eth_withfcs_handle;
|
|
static dissector_handle_t eth_withoutfcs_handle;
|
|
|
|
static const value_string ppp_direction_vals[] = {
|
|
{P2P_DIR_RECV, "DCE->DTE"},
|
|
{P2P_DIR_SENT, "DTE->DCE"},
|
|
{0, NULL}
|
|
};
|
|
|
|
/* options */
|
|
static gint ppp_fcs_decode = 0; /* 0 = No FCS, 1 = 16 bit FCS, 2 = 32 bit FCS */
|
|
#define NO_FCS 0
|
|
#define FCS_16 1
|
|
#define FCS_32 2
|
|
|
|
const enum_val_t fcs_options[] = {
|
|
{"none", "None", NO_FCS},
|
|
{"16-bit", "16-Bit", FCS_16},
|
|
{"32-bit", "32-Bit", FCS_32},
|
|
{NULL, NULL, -1}
|
|
};
|
|
|
|
gboolean ppp_vj_decomp = TRUE; /* Default to VJ header decompression */
|
|
|
|
/*
|
|
* For Default Protocol ID negotiated with PPPMuxCP. We need to
|
|
* this ID so that if the first subframe doesn't have protocol
|
|
* ID, we can use it
|
|
*/
|
|
|
|
static guint pppmux_def_prot_id = 0;
|
|
|
|
/* PPP definitions */
|
|
|
|
/*
|
|
* Used by the GTP dissector as well.
|
|
* www.iana.org/assignments/ppp-numbers
|
|
*/
|
|
static const value_string ppp_vals[] = {
|
|
{PPP_PADDING, "Padding Protocol"},
|
|
{PPP_ROHC_SCID, "ROHC small-CID"},
|
|
{PPP_ROHC_LCID, "ROHC large-CID"},
|
|
{PPP_IP, "Internet Protocol version 4"},
|
|
{PPP_OSI, "OSI Network Layer"},
|
|
{PPP_XNSIDP, "Xerox NS IDP"},
|
|
{PPP_DEC4, "DECnet Phase IV"},
|
|
{PPP_AT, "Appletalk"},
|
|
{PPP_IPX, "Novell IPX"},
|
|
{PPP_VJC_COMP, "Van Jacobson Compressed TCP/IP"},
|
|
{PPP_VJC_UNCOMP, "Van Jacobson Uncompressed TCP/IP"},
|
|
{PPP_BCP, "Bridging PDU"},
|
|
{PPP_ST, "Stream Protocol (ST-II)"},
|
|
{PPP_VINES, "Banyan Vines"},
|
|
{PPP_AT_EDDP, "AppleTalk EDDP"},
|
|
{PPP_AT_SB, "AppleTalk SmartBuffered"},
|
|
{PPP_MP, "Multi-Link"},
|
|
{PPP_NB, "NETBIOS Framing"},
|
|
{PPP_CISCO, "Cisco Systems"},
|
|
{PPP_ASCOM, "Ascom Timeplex"},
|
|
{PPP_LBLB, "Fujitsu Link Backup and Load Balancing (LBLB)"},
|
|
{PPP_RL, "DCA Remote Lan"},
|
|
{PPP_SDTP, "Serial Data Transport Protocol (PPP-SDTP)"},
|
|
{PPP_LLC, "SNA over 802.2"},
|
|
{PPP_SNA, "SNA"},
|
|
{PPP_IPV6HC, "IPv6 Header Compression "},
|
|
{PPP_KNX, "KNX Bridging Data"},
|
|
{PPP_ENCRYPT, "Encryption"},
|
|
{PPP_ILE, "Individual Link Encryption"},
|
|
{PPP_IPV6, "Internet Protocol version 6"},
|
|
{PPP_MUX, "PPP Muxing"},
|
|
{PPP_VSNP, "Vendor-Specific Network Protocol (VSNP)"},
|
|
{PPP_TNP, "TRILL Network Protocol (TNP)"},
|
|
{PPP_RTP_FH, "RTP IPHC Full Header"},
|
|
{PPP_RTP_CTCP, "RTP IPHC Compressed TCP"},
|
|
{PPP_RTP_CNTCP, "RTP IPHC Compressed Non TCP"},
|
|
{PPP_RTP_CUDP8, "RTP IPHC Compressed UDP 8"},
|
|
{PPP_RTP_CRTP8, "RTP IPHC Compressed RTP 8"},
|
|
{PPP_STAMPEDE, "Stampede Bridging"},
|
|
{PPP_MPPLUS, "MP+ Protocol"},
|
|
{PPP_NTCITS_IPI, "NTCITS IPI"},
|
|
{PPP_ML_SLCOMP, "Single link compression in multilink"},
|
|
{PPP_COMP, "Compressed datagram"},
|
|
{PPP_STP_HELLO, "802.1d Hello Packets"},
|
|
{PPP_IBM_SR, "IBM Source Routing BPDU"},
|
|
{PPP_DEC_LB, "DEC LANBridge100 Spanning Tree"},
|
|
{PPP_CDP, "Cisco Discovery Protocol"},
|
|
{PPP_NETCS, "Netcs Twin Routing"},
|
|
{PPP_STP, "STP - Scheduled Transfer Protocol"},
|
|
{PPP_EDP, "EDP - Extreme Discovery Protocol"},
|
|
{PPP_OSCP, "Optical Supervisory Channel Protocol (OSCP)"},
|
|
{PPP_OSCP2, "Optical Supervisory Channel Protocol (OSCP)"},
|
|
{PPP_LUXCOM, "Luxcom"},
|
|
{PPP_SIGMA, "Sigma Network Systems"},
|
|
{PPP_ACSP, "Apple Client Server Protocol"},
|
|
{PPP_MPLS_UNI, "MPLS Unicast"},
|
|
{PPP_MPLS_MULTI, "MPLS Multicast"},
|
|
{PPP_P12844, "IEEE p1284.4 standard - data packets"},
|
|
{PPP_TETRA, "ETSI TETRA Network Protocol Type 1"},
|
|
{PPP_MFTP, "Multichannel Flow Treatment Protocol"},
|
|
{PPP_RTP_CTCPND, "RTP IPHC Compressed TCP No Delta"},
|
|
{PPP_RTP_CS, "RTP IPHC Context State"},
|
|
{PPP_RTP_CUDP16, "RTP IPHC Compressed UDP 16"},
|
|
{PPP_RTP_CRDP16, "RTP IPHC Compressed RTP 16"},
|
|
{PPP_CCCP, "Cray Communications Control Protocol"},
|
|
{PPP_CDPD_MNRP, "CDPD Mobile Network Registration Protocol"},
|
|
{PPP_EXPANDAP, "Expand accelerator protocol"},
|
|
{PPP_ODSICP, "ODSICP NCP"},
|
|
{PPP_DOCSIS, "DOCSIS DLL"},
|
|
{PPP_CETACEANNDP, "Cetacean Network Detection Protocol"},
|
|
{PPP_LZS, "Stacker LZS"},
|
|
{PPP_REFTEK, "RefTek Protocol"},
|
|
{PPP_FC, "Fibre Channel"},
|
|
{PPP_EMIT, "EMIT Protocols"},
|
|
{PPP_VSP, "Vendor-Specific Protocol (VSP)"},
|
|
{PPP_TLSP, "TRILL Link State Protocol (TLSP)"},
|
|
{PPP_IPCP, "Internet Protocol Control Protocol"},
|
|
{PPP_OSINLCP, "OSI Network Layer Control Protocol"},
|
|
{PPP_XNSIDPCP, "Xerox NS IDP Control Protocol"},
|
|
{PPP_DECNETCP, "DECnet Phase IV Control Protocol"},
|
|
{PPP_ATCP, "AppleTalk Control Protocol"},
|
|
{PPP_IPXCP, "Novell IPX Control Protocol"},
|
|
{PPP_BRIDGENCP, "Bridging NCP"},
|
|
{PPP_SPCP, "Stream Protocol Control Protocol"},
|
|
{PPP_BVCP, "Banyan Vines Control Protocol"},
|
|
{PPP_MLCP, "Multi-Link Control Protocol"},
|
|
{PPP_NBCP, "NETBIOS Framing Control Protocol"},
|
|
{PPP_CISCOCP, "Cisco Systems Control Protocol"},
|
|
{PPP_ASCOMCP, "Ascom Timeplex"},
|
|
{PPP_LBLBCP, "Fujitsu LBLB Control Protocol"},
|
|
{PPP_RLNCP, "DCA Remote Lan Network Control Protocol (RLNCP)"},
|
|
{PPP_SDCP, "Serial Data Control Protocol (PPP-SDCP)"},
|
|
{PPP_LLCCP, "SNA over 802.2 Control Protocol"},
|
|
{PPP_SNACP, "SNA Control Protocol"},
|
|
{PPP_IP6HCCP, "IP6 Header Compression Control Protocol"},
|
|
{PPP_KNXCP, "KNX Bridging Control Protocol"},
|
|
{PPP_ECP, "Encryption Control Protocol"},
|
|
{PPP_ILECP, "Individual Link Encryption Control Protocol"},
|
|
{PPP_IPV6CP, "IPv6 Control Protocol"},
|
|
{PPP_MUXCP, "PPP Muxing Control Protocol"},
|
|
{PPP_VSNCP, "Vendor-Specific Network Control Protocol (VSNCP)"},
|
|
{PPP_TNCP, "TRILL Network Control Protocol"},
|
|
{PPP_STAMPEDECP, "Stampede Bridging Control Protocol"},
|
|
{PPP_MPPCP, "MP+ Control Protocol"},
|
|
{PPP_IPICP, "NTCITS IPI Control Protocol"},
|
|
{PPP_SLCC, "Single link compression in multilink control"},
|
|
{PPP_CCP, "Compression Control Protocol"},
|
|
{PPP_CDPCP, "Cisco Discovery Protocol Control Protocol"},
|
|
{PPP_NETCSCP, "Netcs Twin Routing"},
|
|
{PPP_STPCP, "STP - Control Protocol"},
|
|
{PPP_EDPCP, "EDPCP - Extreme Discovery Protocol Control Protocol"},
|
|
{PPP_ACSPC, "Apple Client Server Protocol Control"},
|
|
{PPP_MPLSCP, "MPLS Control Protocol"},
|
|
{PPP_P12844CP, "IEEE p1284.4 standard - Protocol Control"},
|
|
{PPP_TETRACP, "ETSI TETRA TNP1 Control Protocol"},
|
|
{PPP_MFTPCP, "Multichannel Flow Treatment Protocol"},
|
|
{PPP_LCP, "Link Control Protocol"},
|
|
{PPP_PAP, "Password Authentication Protocol"},
|
|
{PPP_LQR, "Link Quality Report"},
|
|
{PPP_SPAP, "Shiva Password Authentication Protocol"},
|
|
{PPP_CBCP, "Callback Control Protocol (CBCP)"},
|
|
{PPP_BACP, "BACP Bandwidth Allocation Control Protocol"},
|
|
{PPP_BAP, "BAP Bandwidth Allocation Protocol"},
|
|
{PPP_VSAP, "Vendor-Specific Authentication Protocol (VSAP)"},
|
|
{PPP_CONTCP, "Container Control Protocol"},
|
|
{PPP_CHAP, "Challenge Handshake Authentication Protocol"},
|
|
{PPP_RSAAP, "RSA Authentication Protocol"},
|
|
{PPP_EAP, "Extensible Authentication Protocol"},
|
|
{PPP_SIEP, "Mitsubishi Security Information Exchange Protocol (SIEP)"},
|
|
{PPP_SBAP, "Stampede Bridging Authorization Protocol"},
|
|
{PPP_PRPAP, "Proprietary Authentication Protocol"},
|
|
{PPP_PRPAP2, "Proprietary Authentication Protocol"},
|
|
{PPP_PRPNIAP, "Proprietary Node ID Authentication Protocol"},
|
|
{0, NULL}
|
|
};
|
|
value_string_ext ppp_vals_ext = VALUE_STRING_EXT_INIT(ppp_vals);
|
|
|
|
/* CP (LCP, CCP, IPCP, etc.) codes.
|
|
* from pppd fsm.h
|
|
*/
|
|
#define VNDRSPCFC 0 /* Vendor Specific: RFC 2153 */
|
|
#define CONFREQ 1 /* Configuration Request */
|
|
#define CONFACK 2 /* Configuration Ack */
|
|
#define CONFNAK 3 /* Configuration Nak */
|
|
#define CONFREJ 4 /* Configuration Reject */
|
|
#define TERMREQ 5 /* Termination Request */
|
|
#define TERMACK 6 /* Termination Ack */
|
|
#define CODEREJ 7 /* Code Reject */
|
|
|
|
static const value_string cp_vals[] = {
|
|
{VNDRSPCFC, "Vendor Specific"},
|
|
{CONFREQ, "Configuration Request"},
|
|
{CONFACK, "Configuration Ack"},
|
|
{CONFNAK, "Configuration Nak"},
|
|
{CONFREJ, "Configuration Reject"},
|
|
{TERMREQ, "Termination Request"},
|
|
{TERMACK, "Termination Ack"},
|
|
{CODEREJ, "Code Reject"},
|
|
{0, NULL}
|
|
};
|
|
|
|
/*
|
|
* LCP-specific packet types.
|
|
*/
|
|
#define PROTREJ 8 /* Protocol Reject */
|
|
#define ECHOREQ 9 /* Echo Request */
|
|
#define ECHOREP 10 /* Echo Reply */
|
|
#define DISCREQ 11 /* Discard Request */
|
|
#define IDENT 12 /* Identification */
|
|
#define TIMEREMAIN 13 /* Time remaining */
|
|
|
|
/*
|
|
* CCP-specific packet types.
|
|
*/
|
|
#define RESETREQ 14 /* Reset Request */
|
|
#define RESETACK 15 /* Reset Ack */
|
|
|
|
/*
|
|
* CBCP-specific packet types.
|
|
*/
|
|
#define CBREQ 1 /* Callback Request */
|
|
#define CBRES 2 /* Callback Response */
|
|
#define CBACK 3 /* Callback Ack */
|
|
|
|
#define CBCP_OPT 6 /* Use callback control protocol */
|
|
|
|
/*
|
|
* BAP-specific packet types.
|
|
*/
|
|
#define BAP_CREQ 1 /* Call Request */
|
|
#define BAP_CRES 2 /* Call Response */
|
|
#define BAP_CBREQ 3 /* Callback Request */
|
|
#define BAP_CBRES 4 /* Callback Response */
|
|
#define BAP_LDQREQ 5 /* Link Drop Query Request */
|
|
#define BAP_LDQRES 6 /* Link Drop Query Response */
|
|
#define BAP_CSI 7 /* Call Status Indication */
|
|
#define BAP_CSRES 8 /* Call Status Response */
|
|
|
|
static const value_string lcp_vals[] = {
|
|
{VNDRSPCFC, "Vendor Specific"},
|
|
{CONFREQ, "Configuration Request"},
|
|
{CONFACK, "Configuration Ack"},
|
|
{CONFNAK, "Configuration Nak"},
|
|
{CONFREJ, "Configuration Reject"},
|
|
{TERMREQ, "Termination Request"},
|
|
{TERMACK, "Termination Ack"},
|
|
{CODEREJ, "Code Reject"},
|
|
{PROTREJ, "Protocol Reject"},
|
|
{ECHOREQ, "Echo Request"},
|
|
{ECHOREP, "Echo Reply"},
|
|
{DISCREQ, "Discard Request"},
|
|
{IDENT, "Identification"},
|
|
{TIMEREMAIN, "Time Remaining"},
|
|
{0, NULL}
|
|
};
|
|
|
|
static const value_string ccp_vals[] = {
|
|
{VNDRSPCFC, "Vendor Specific"},
|
|
{CONFREQ, "Configuration Request"},
|
|
{CONFACK, "Configuration Ack"},
|
|
{CONFNAK, "Configuration Nak"},
|
|
{CONFREJ, "Configuration Reject"},
|
|
{TERMREQ, "Termination Request"},
|
|
{TERMACK, "Termination Ack"},
|
|
{CODEREJ, "Code Reject"},
|
|
{RESETREQ, "Reset Request"},
|
|
{RESETACK, "Reset Ack"},
|
|
{0, NULL}
|
|
};
|
|
|
|
static const value_string cbcp_vals[] = {
|
|
{CBREQ, "Callback Request"},
|
|
{CBRES, "Callback Response"},
|
|
{CBACK, "Callback Ack"},
|
|
{0, NULL}
|
|
};
|
|
|
|
static const value_string bap_vals[] = {
|
|
{BAP_CREQ, "Call Request"},
|
|
{BAP_CRES, "Call Response"},
|
|
{BAP_CBREQ, "Callback Request"},
|
|
{BAP_CBRES, "Callback Response"},
|
|
{BAP_LDQREQ, "Link Drop Query Request"},
|
|
{BAP_LDQRES, "Link Drop Query Response"},
|
|
{BAP_CSI, "Call Status Indication"},
|
|
{BAP_CSRES, "Call Status Response"},
|
|
{0, NULL}
|
|
};
|
|
|
|
#define BAP_RESP_CODE_REQACK 0x00
|
|
#define BAP_RESP_CODE_REQNAK 0x01
|
|
#define BAP_RESP_CODE_REQREJ 0x02
|
|
#define BAP_RESP_CODE_REQFULLNAK 0x03
|
|
static const value_string bap_resp_code_vals[] = {
|
|
{BAP_RESP_CODE_REQACK, "Request Ack"},
|
|
{BAP_RESP_CODE_REQNAK, "Request Nak"},
|
|
{BAP_RESP_CODE_REQREJ, "Request Rej"},
|
|
{BAP_RESP_CODE_REQFULLNAK, "Request Full Nak"},
|
|
{0, NULL}
|
|
};
|
|
|
|
#define BAP_LINK_TYPE_ISDN 0 /* ISDN */
|
|
#define BAP_LINK_TYPE_X25 1 /* X.25 */
|
|
#define BAP_LINK_TYPE_ANALOG 2 /* Analog */
|
|
#define BAP_LINK_TYPE_SD 3 /* Switched Digital (non-ISDN) */
|
|
#define BAP_LINK_TYPE_ISDNOV 4 /* ISDN data over voice */
|
|
#define BAP_LINK_TYPE_RESV5 5 /* Reserved */
|
|
#define BAP_LINK_TYPE_RESV6 6 /* Reserved */
|
|
#define BAP_LINK_TYPE_RESV7 7 /* Reserved */
|
|
static const value_string bap_link_type_vals[] = {
|
|
{BAP_LINK_TYPE_ISDN, "ISDN"},
|
|
{BAP_LINK_TYPE_X25, "X.25"},
|
|
{BAP_LINK_TYPE_ANALOG, "Analog"},
|
|
{BAP_LINK_TYPE_SD, "Switched Digital (non-ISDN)"},
|
|
{BAP_LINK_TYPE_ISDNOV, "ISDN data over voice"},
|
|
{BAP_LINK_TYPE_RESV5, "Reserved"},
|
|
{BAP_LINK_TYPE_RESV6, "Reserved"},
|
|
{BAP_LINK_TYPE_RESV7, "Reserved"},
|
|
{0, NULL}
|
|
};
|
|
|
|
#define BAP_PHONE_DELTA_SUBOPT_UNIQ_DIGIT 1 /* Unique Digit */
|
|
#define BAP_PHONE_DELTA_SUBOPT_SUBSC_NUM 2 /* Subscriber Number */
|
|
#define BAP_PHONE_DELTA_SUBOPT_PHONENUM_SUBADDR 3 /* Phone Number Sub Address */
|
|
static const value_string bap_phone_delta_subopt_vals[] = {
|
|
{BAP_PHONE_DELTA_SUBOPT_UNIQ_DIGIT, "Unique Digit"},
|
|
{BAP_PHONE_DELTA_SUBOPT_SUBSC_NUM, "Subscriber Number"},
|
|
{BAP_PHONE_DELTA_SUBOPT_PHONENUM_SUBADDR, "Phone Number Sub Address"},
|
|
{0, NULL}
|
|
};
|
|
|
|
/*
|
|
* Cause codes for Cause.
|
|
*
|
|
* The following code table is taken from packet-q931.c but is slightly
|
|
* adapted to BAP protocol.
|
|
*/
|
|
static const value_string q931_cause_code_vals[] = {
|
|
{0x00, "Call successful"},
|
|
{0x01, "Unallocated (unassigned) number"},
|
|
{0x02, "No route to specified transit network"},
|
|
{0x03, "No route to destination"},
|
|
{0x04, "Send special information tone"},
|
|
{0x05, "Misdialled trunk prefix"},
|
|
{0x06, "Channel unacceptable"},
|
|
{0x07, "Call awarded and being delivered in an established channel"},
|
|
{0x08, "Prefix 0 dialed but not allowed"},
|
|
{0x09, "Prefix 1 dialed but not allowed"},
|
|
{0x0A, "Prefix 1 dialed but not required"},
|
|
{0x0B, "More digits received than allowed, call is proceeding"},
|
|
{0x10, "Normal call clearing"},
|
|
{0x11, "User busy"},
|
|
{0x12, "No user responding"},
|
|
{0x13, "No answer from user (user alerted)"},
|
|
{0x14, "Subscriber absent"},
|
|
{0x15, "Call rejected"},
|
|
{0x16, "Number changed"},
|
|
{0x17, "Reverse charging rejected"},
|
|
{0x18, "Call suspended"},
|
|
{0x19, "Call resumed"},
|
|
{0x1A, "Non-selected user clearing"},
|
|
{0x1B, "Destination out of order"},
|
|
{0x1C, "Invalid number format (incomplete number)"},
|
|
{0x1D, "Facility rejected"},
|
|
{0x1E, "Response to STATUS ENQUIRY"},
|
|
{0x1F, "Normal unspecified"},
|
|
{0x21, "Circuit out of order"},
|
|
{0x22, "No circuit/channel available"},
|
|
{0x23, "Destination unattainable"},
|
|
{0x25, "Degraded service"},
|
|
{0x26, "Network out of order"},
|
|
{0x27, "Transit delay range cannot be achieved"},
|
|
{0x28, "Throughput range cannot be achieved"},
|
|
{0x29, "Temporary failure"},
|
|
{0x2A, "Switching equipment congestion"},
|
|
{0x2B, "Access information discarded"},
|
|
{0x2C, "Requested circuit/channel not available"},
|
|
{0x2D, "Pre-empted"},
|
|
{0x2E, "Precedence call blocked"},
|
|
{0x2F, "Resources unavailable, unspecified"},
|
|
{0x31, "Quality of service unavailable"},
|
|
{0x32, "Requested facility not subscribed"},
|
|
{0x33, "Reverse charging not allowed"},
|
|
{0x34, "Outgoing calls barred"},
|
|
{0x35, "Outgoing calls barred within CUG"},
|
|
{0x36, "Incoming calls barred"},
|
|
{0x37, "Incoming calls barred within CUG"},
|
|
{0x38, "Call waiting not subscribed"},
|
|
{0x39, "Bearer capability not authorized"},
|
|
{0x3A, "Bearer capability not presently available"},
|
|
{0x3E, "Inconsistency in designated outgoing access information and subscriber class"},
|
|
{0x3F, "Service or option not available, unspecified"},
|
|
{0x41, "Bearer capability not implemented"},
|
|
{0x42, "Channel type not implemented"},
|
|
{0x43, "Transit network selection not implemented"},
|
|
{0x44, "Message not implemented"},
|
|
{0x45, "Requested facility not implemented"},
|
|
{0x46, "Only restricted digital information bearer capability is available"},
|
|
{0x4F, "Service or option not implemented, unspecified"},
|
|
{0x51, "Invalid call reference value"},
|
|
{0x52, "Identified channel does not exist"},
|
|
{0x53, "Call identity does not exist for suspended call"},
|
|
{0x54, "Call identity in use"},
|
|
{0x55, "No call suspended"},
|
|
{0x56, "Call having the requested call identity has been cleared"},
|
|
{0x57, "Called user not member of CUG"},
|
|
{0x58, "Incompatible destination"},
|
|
{0x59, "Non-existent abbreviated address entry"},
|
|
{0x5A, "Destination address missing, and direct call not subscribed"},
|
|
{0x5B, "Invalid transit network selection (national use)"},
|
|
{0x5C, "Invalid facility parameter"},
|
|
{0x5D, "Mandatory information element is missing"},
|
|
{0x5F, "Invalid message, unspecified"},
|
|
{0x60, "Mandatory information element is missing"},
|
|
{0x61, "Message type non-existent or not implemented"},
|
|
{0x62, "Message not compatible with call state or message type non-existent or not implemented"},
|
|
{0x63, "Information element non-existent or not implemented"},
|
|
{0x64, "Invalid information element contents"},
|
|
{0x65, "Message not compatible with call state"},
|
|
{0x66, "Recovery on timer expiry"},
|
|
{0x67, "Parameter non-existent or not implemented - passed on"},
|
|
{0x6E, "Message with unrecognized parameter discarded"},
|
|
{0x6F, "Protocol error, unspecified"},
|
|
{0x7F, "Internetworking, unspecified"},
|
|
{0xFF, "Non-specific failure"},
|
|
{0, NULL}
|
|
};
|
|
static value_string_ext q931_cause_code_vals_ext = VALUE_STRING_EXT_INIT(q931_cause_code_vals);
|
|
|
|
static const value_string bap_call_status_opt_action_vals[] = {
|
|
{0, "No retry"},
|
|
{1, "Retry"},
|
|
{0, NULL}
|
|
};
|
|
|
|
#define STAC_CM_NONE 0
|
|
#define STAC_CM_LCB 1
|
|
#define STAC_CM_CRC 2
|
|
#define STAC_CM_SN 3
|
|
#define STAC_CM_EXTMODE 4
|
|
static const value_string stac_checkmode_vals[] = {
|
|
{STAC_CM_NONE, "None"},
|
|
{STAC_CM_LCB, "LCB"},
|
|
{STAC_CM_CRC, "CRC"},
|
|
{STAC_CM_SN, "Sequence Number"},
|
|
{STAC_CM_EXTMODE, "Extended Mode"},
|
|
{0, NULL}
|
|
};
|
|
|
|
#define LZSDCP_CM_NONE 0
|
|
#define LZSDCP_CM_LCB 1
|
|
#define LZSDCP_CM_SN 2
|
|
#define LZSDCP_CM_SN_LCB 3
|
|
static const value_string lzsdcp_checkmode_vals[] = {
|
|
{LZSDCP_CM_NONE, "None"},
|
|
{LZSDCP_CM_LCB, "LCB"},
|
|
{LZSDCP_CM_SN, "Sequence Number"},
|
|
{LZSDCP_CM_SN_LCB, "Sequence Number + LCB (default)"},
|
|
{0, NULL}
|
|
};
|
|
|
|
#define LZSDCP_PM_NONE 0
|
|
#define LZSDCP_PM_PROC_UNCOMP 1
|
|
static const value_string lzsdcp_processmode_vals[] = {
|
|
{LZSDCP_PM_NONE, "None (default)"},
|
|
{LZSDCP_PM_PROC_UNCOMP, "Process-Uncompressed"},
|
|
{0, NULL}
|
|
};
|
|
|
|
#define DCE_MODE_1 1
|
|
#define DCE_MODE_2 2
|
|
static const value_string dce_mode_vals[] = {
|
|
{DCE_MODE_1, "No Additional Negotiation"},
|
|
{DCE_MODE_2, "Full PPP Negotiation and State Machine"},
|
|
{0, NULL}
|
|
};
|
|
|
|
/*
|
|
* Options. (LCP)
|
|
*/
|
|
#define CI_VENDORSPECIFIC 0 /* Vendor Specific [RFC2153] */
|
|
#define CI_MRU 1 /* Maximum Receive Unit [RFC1661] */
|
|
#define CI_ASYNCMAP 2 /* Async Control Character Map */
|
|
#define CI_AUTHPROT 3 /* Authentication Protocol [RFC1661] */
|
|
#define CI_QUALITY 4 /* Quality Protocol [RFC1661] */
|
|
#define CI_MAGICNUMBER 5 /* Magic Number [RFC1661] */
|
|
#define CI_LINKQUALMON 6 /* DEPRECATED (Quality Protocol) [RFC1172] */
|
|
#define CI_PCOMPRESSION 7 /* Protocol Field Compression [RFC1661] */
|
|
#define CI_ACCOMPRESSION 8 /* Address/Control Field Compression
|
|
[RFC1661] */
|
|
#define CI_FCS_ALTERNATIVES 9 /* FCS Alternatives [RFC1570] */
|
|
#define CI_SELF_DESCRIBING_PAD 10 /* Self-Describing Pad [RFC1570] */
|
|
#define CI_NUMBERED_MODE 11 /* Numbered Mode [RFC1663] */
|
|
#define CI_MULTILINK_PROC 12 /* DEPRECATED (Multi-Link Procedure) */
|
|
#define CI_CALLBACK 13 /* Callback [RFC1570] */
|
|
#define CI_CONNECTTIME 14 /* DEPRECATED (Connect Time) */
|
|
#define CI_COMPOUND_FRAMES 15 /* DEPRECATED (Compound Frames) [RFC1570] */
|
|
#define CI_NOMDATAENCAP 16 /* DEPRECATED (Nominal Data Encapsulation) */
|
|
/* NOTE: IANA lists CI_NOMDATAENCAP as 16, but it is listed as 14 in
|
|
* http://tools.ietf.org/html/draft-ietf-pppext-dataencap-03.
|
|
* Which is correct is anyone's guess. */
|
|
#define CI_MULTILINK_MRRU 17 /* Multilink MRRU [RFC1990] */
|
|
#define CI_MULTILINK_SSNH 18 /* Multilink Short Sequence Number Header
|
|
[RFC1990] */
|
|
#define CI_MULTILINK_EP_DISC 19 /* Multilink Endpoint Discriminator
|
|
[RFC1990] */
|
|
#define CI_PROP_KEN 20 /* Proprietary [Ken Culbert] ken@funk.com */
|
|
#define CI_DCE_IDENTIFIER 21 /* DCE Identifier [RFC1976]: Warning:
|
|
Option type 25 in the RFC is incorrect */
|
|
#define CI_MULTILINK_PLUS_PROC 22 /* Multilink Plus Procedure [RFC1934] */
|
|
#define CI_LINK_DISC_FOR_BACP 23 /* Link Discriminator for BACP [RFC2125] */
|
|
#define CI_LCP_AUTHENTICATION 24 /* LCP Authentication Option [Culbert] */
|
|
#define CI_COBS 25 /* Consistent Overhead Byte Stuffing (COBS)
|
|
[Carlson] */
|
|
#define CI_PREFIX_ELISION 26 /* Prefix elision [RFC2686][RFC2687] */
|
|
#define CI_MULTILINK_HDR_FMT 27 /* Multilink header format
|
|
[RFC2686][RFC2687] */
|
|
#define CI_INTERNATIONALIZATION 28 /* Internationalization [RFC2484] */
|
|
#define CI_SDL_ON_SONET_SDH 29 /* Simple Data Link on SONET/SDH
|
|
[RFC2823] */
|
|
#define CI_UNASSIGNED 30 /* Unassigned ... but so are 31-255, so
|
|
why do they bother specifically
|
|
mentioning this one, I wonder? */
|
|
|
|
static int hf_lcp_magic_number = -1;
|
|
static int hf_lcp_data = -1;
|
|
static int hf_lcp_message = -1;
|
|
static int hf_lcp_secs_remaining = -1;
|
|
static int hf_lcp_rej_proto = -1;
|
|
static int hf_lcp_opt_type = -1;
|
|
static int hf_lcp_opt_length = -1;
|
|
static int hf_lcp_opt_oui = -1;
|
|
static int hf_lcp_opt_kind = -1;
|
|
static int hf_lcp_opt_data = -1;
|
|
static int hf_lcp_opt_mru = -1;
|
|
static int hf_lcp_opt_asyncmap = -1;
|
|
static int hf_lcp_opt_asyncmap_nul = -1;
|
|
static int hf_lcp_opt_asyncmap_soh = -1;
|
|
static int hf_lcp_opt_asyncmap_stx = -1;
|
|
static int hf_lcp_opt_asyncmap_etx = -1;
|
|
static int hf_lcp_opt_asyncmap_eot = -1;
|
|
static int hf_lcp_opt_asyncmap_enq = -1;
|
|
static int hf_lcp_opt_asyncmap_ack = -1;
|
|
static int hf_lcp_opt_asyncmap_bel = -1;
|
|
static int hf_lcp_opt_asyncmap_bs = -1;
|
|
static int hf_lcp_opt_asyncmap_ht = -1;
|
|
static int hf_lcp_opt_asyncmap_lf = -1;
|
|
static int hf_lcp_opt_asyncmap_vt = -1;
|
|
static int hf_lcp_opt_asyncmap_ff = -1;
|
|
static int hf_lcp_opt_asyncmap_cr = -1;
|
|
static int hf_lcp_opt_asyncmap_so = -1;
|
|
static int hf_lcp_opt_asyncmap_si = -1;
|
|
static int hf_lcp_opt_asyncmap_dle = -1;
|
|
static int hf_lcp_opt_asyncmap_dc1 = -1;
|
|
static int hf_lcp_opt_asyncmap_dc2 = -1;
|
|
static int hf_lcp_opt_asyncmap_dc3 = -1;
|
|
static int hf_lcp_opt_asyncmap_dc4 = -1;
|
|
static int hf_lcp_opt_asyncmap_nak = -1;
|
|
static int hf_lcp_opt_asyncmap_syn = -1;
|
|
static int hf_lcp_opt_asyncmap_etb = -1;
|
|
static int hf_lcp_opt_asyncmap_can = -1;
|
|
static int hf_lcp_opt_asyncmap_em = -1;
|
|
static int hf_lcp_opt_asyncmap_sub = -1;
|
|
static int hf_lcp_opt_asyncmap_esc = -1;
|
|
static int hf_lcp_opt_asyncmap_fs = -1;
|
|
static int hf_lcp_opt_asyncmap_gs = -1;
|
|
static int hf_lcp_opt_asyncmap_rs = -1;
|
|
static int hf_lcp_opt_asyncmap_us = -1;
|
|
static int hf_lcp_opt_auth_protocol = -1;
|
|
static int hf_lcp_opt_algorithm = -1;
|
|
static int hf_lcp_opt_quality_protocol = -1;
|
|
static int hf_lcp_opt_magic_number = -1;
|
|
static int hf_lcp_opt_reportingperiod = -1;
|
|
static int hf_lcp_opt_fcs_alternatives = -1;
|
|
static int hf_lcp_opt_fcs_alternatives_null = -1;
|
|
static int hf_lcp_opt_fcs_alternatives_ccitt16 = -1;
|
|
static int hf_lcp_opt_fcs_alternatives_ccitt32 = -1;
|
|
static int hf_lcp_opt_maximum = -1;
|
|
static int hf_lcp_opt_window = -1;
|
|
static int hf_lcp_opt_hdlc_address = -1;
|
|
static int hf_lcp_opt_operation = -1;
|
|
static int hf_lcp_opt_message = -1;
|
|
static int hf_lcp_opt_mrru = -1;
|
|
static int hf_lcp_opt_ep_disc_class = -1;
|
|
static int hf_lcp_opt_ip_address = -1;
|
|
static int hf_lcp_opt_802_1_address = -1;
|
|
static int hf_lcp_opt_magic_block = -1;
|
|
static int hf_lcp_opt_psndn = -1;
|
|
static int hf_lcp_opt_mode = -1;
|
|
static int hf_lcp_opt_unused = -1;
|
|
static int hf_lcp_opt_link_discrim = -1;
|
|
static int hf_lcp_opt_id = -1;
|
|
static int hf_lcp_opt_cobs_flags = -1;
|
|
static int hf_lcp_opt_cobs_flags_res = -1;
|
|
static int hf_lcp_opt_cobs_flags_pre = -1;
|
|
static int hf_lcp_opt_cobs_flags_zxe = -1;
|
|
static int hf_lcp_opt_class = -1;
|
|
static int hf_lcp_opt_prefix = -1;
|
|
static int hf_lcp_opt_code = -1;
|
|
static int hf_lcp_opt_max_susp_classes = -1;
|
|
static int hf_lcp_opt_MIBenum = -1;
|
|
static int hf_lcp_opt_language_tag = -1;
|
|
|
|
static void dissect_lcp_vendor_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_);
|
|
static void dissect_lcp_mru_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_);
|
|
static void dissect_lcp_async_map_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_);
|
|
static void dissect_lcp_authprot_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_);
|
|
static void dissect_lcp_qualprot_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_);
|
|
static void dissect_lcp_magicnumber_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_);
|
|
static void dissect_lcp_linkqualmon_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_);
|
|
static void dissect_lcp_simple_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_);
|
|
static void dissect_lcp_fcs_alternatives_opt(const ip_tcp_opt *optp,
|
|
tvbuff_t *tvb, int offset, guint length, packet_info *pinfo _U_,
|
|
proto_tree *tree, void *data _U_);
|
|
static void dissect_lcp_self_describing_pad_opt(const ip_tcp_opt *optp,
|
|
tvbuff_t *tvb, int offset, guint length, packet_info *pinfo _U_,
|
|
proto_tree *tree, void *data _U_);
|
|
static void dissect_lcp_numbered_mode_opt(const ip_tcp_opt *optp,
|
|
tvbuff_t *tvb, int offset, guint length, packet_info *pinfo _U_,
|
|
proto_tree *tree, void *data _U_);
|
|
static void dissect_lcp_callback_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_);
|
|
static void dissect_lcp_multilink_mrru_opt(const ip_tcp_opt *optp,
|
|
tvbuff_t *tvb, int offset, guint length, packet_info *pinfo _U_,
|
|
proto_tree *tree, void *data _U_);
|
|
static void dissect_lcp_multilink_ep_disc_opt(const ip_tcp_opt *optp,
|
|
tvbuff_t *tvb, int offset, guint length, packet_info *pinfo _U_,
|
|
proto_tree *tree, void *data _U_);
|
|
static void dissect_lcp_dce_identifier_opt(const ip_tcp_opt *optp,
|
|
tvbuff_t *tvb, int offset, guint length, packet_info *pinfo _U_,
|
|
proto_tree *tree, void *data _U_);
|
|
static void dissect_lcp_multilink_pp_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_);
|
|
static void dissect_lcp_bacp_link_discriminator_opt(const ip_tcp_opt *optp,
|
|
tvbuff_t *tvb, int offset, guint length, packet_info *pinfo _U_,
|
|
proto_tree *tree, void *data _U_);
|
|
static void dissect_lcp_auth_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_);
|
|
static void dissect_lcp_cobs_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_);
|
|
static void dissect_lcp_prefix_elision_opt(const ip_tcp_opt *optp,
|
|
tvbuff_t *tvb, int offset, guint length, packet_info *pinfo _U_,
|
|
proto_tree *tree, void *data _U_);
|
|
static void dissect_lcp_multilink_hdr_fmt_opt(const ip_tcp_opt *optp,
|
|
tvbuff_t *tvb, int offset, guint length, packet_info *pinfo _U_,
|
|
proto_tree *tree, void *data _U_);
|
|
static void dissect_lcp_internationalization_opt(const ip_tcp_opt *optp,
|
|
tvbuff_t *tvb, int offset, guint length, packet_info *pinfo _U_,
|
|
proto_tree *tree, void *data _U_);
|
|
static void dissect_mp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
|
|
|
|
static const ip_tcp_opt lcp_opts[] = {
|
|
{CI_VENDORSPECIFIC, "Vendor Specific", &ett_lcp_vendor_opt,
|
|
OPT_LEN_VARIABLE_LENGTH, 6, dissect_lcp_vendor_opt},
|
|
{CI_MRU, "Maximum Receive Unit", &ett_lcp_mru_opt,
|
|
OPT_LEN_FIXED_LENGTH, 4, dissect_lcp_mru_opt},
|
|
{CI_ASYNCMAP, "Async Control Character Map", &ett_lcp_asyncmap_opt,
|
|
OPT_LEN_FIXED_LENGTH, 6, dissect_lcp_async_map_opt},
|
|
{CI_AUTHPROT, "Authentication Protocol", &ett_lcp_authprot_opt,
|
|
OPT_LEN_VARIABLE_LENGTH, 4, dissect_lcp_authprot_opt},
|
|
{CI_QUALITY, "Quality Protocol", &ett_lcp_qualprot_opt,
|
|
OPT_LEN_VARIABLE_LENGTH, 4, dissect_lcp_qualprot_opt},
|
|
{CI_MAGICNUMBER, "Magic Number", &ett_lcp_magicnumber_opt,
|
|
OPT_LEN_FIXED_LENGTH, 6, dissect_lcp_magicnumber_opt},
|
|
{CI_LINKQUALMON, "Link Quality Monitoring", &ett_lcp_linkqualmon_opt,
|
|
OPT_LEN_FIXED_LENGTH, 6, dissect_lcp_linkqualmon_opt},
|
|
{CI_PCOMPRESSION, "Protocol Field Compression", &ett_lcp_pcomp_opt,
|
|
OPT_LEN_FIXED_LENGTH, 2, dissect_lcp_simple_opt},
|
|
{CI_ACCOMPRESSION, "Address and Control Field Compression", &ett_lcp_acccomp_opt,
|
|
OPT_LEN_FIXED_LENGTH, 2, dissect_lcp_simple_opt},
|
|
{CI_FCS_ALTERNATIVES, "FCS Alternatives", &ett_lcp_fcs_alternatives_opt,
|
|
OPT_LEN_FIXED_LENGTH, 3, dissect_lcp_fcs_alternatives_opt},
|
|
{CI_SELF_DESCRIBING_PAD, "Self Describing Pad", &ett_lcp_self_desc_pad_opt,
|
|
OPT_LEN_FIXED_LENGTH, 3, dissect_lcp_self_describing_pad_opt},
|
|
{CI_NUMBERED_MODE, "Numbered Mode", &ett_lcp_numbered_mode_opt,
|
|
OPT_LEN_VARIABLE_LENGTH, 4, dissect_lcp_numbered_mode_opt},
|
|
/* TODO? CI_MULTILINK_PROC */
|
|
{CI_CALLBACK, "Callback", &ett_lcp_callback_opt,
|
|
OPT_LEN_VARIABLE_LENGTH, 3, dissect_lcp_callback_opt},
|
|
/* TODO? CI_CONNECTTIME */
|
|
{CI_COMPOUND_FRAMES, "Compound Frames (Deprecated)", &ett_lcp_compound_frames_opt,
|
|
OPT_LEN_FIXED_LENGTH, 2, dissect_lcp_simple_opt},
|
|
{CI_NOMDATAENCAP, "Nominal Data Encapsulation (Deprecated)", &ett_lcp_nomdataencap_opt,
|
|
OPT_LEN_FIXED_LENGTH, 2, dissect_lcp_simple_opt},
|
|
{CI_MULTILINK_MRRU, "Multilink MRRU", &ett_lcp_multilink_mrru_opt,
|
|
OPT_LEN_FIXED_LENGTH, 4, dissect_lcp_multilink_mrru_opt},
|
|
{CI_MULTILINK_SSNH, "Multilink Short Sequence Number Header", &ett_lcp_multilink_ssnh_opt,
|
|
OPT_LEN_FIXED_LENGTH, 2, dissect_lcp_simple_opt},
|
|
{CI_MULTILINK_EP_DISC, "Multilink Endpoint Discriminator", &ett_lcp_multilink_ep_disc_opt,
|
|
OPT_LEN_VARIABLE_LENGTH, 3, dissect_lcp_multilink_ep_disc_opt},
|
|
/* TODO? CI_PROP_KEN: ken@funk.com: www.funk.com => www.juniper.net */
|
|
{CI_DCE_IDENTIFIER, "DCE Identifier", &ett_lcp_dce_identifier_opt,
|
|
OPT_LEN_FIXED_LENGTH, 3, dissect_lcp_dce_identifier_opt},
|
|
{CI_MULTILINK_PLUS_PROC, "Multi Link Plus Procedure", &ett_lcp_multilink_pp_opt,
|
|
OPT_LEN_FIXED_LENGTH, 4, dissect_lcp_multilink_pp_opt},
|
|
{CI_LINK_DISC_FOR_BACP, "Link Discriminator for BACP", &ett_lcp_bacp_link_discrim_opt,
|
|
OPT_LEN_FIXED_LENGTH, 4, dissect_lcp_bacp_link_discriminator_opt},
|
|
{CI_LCP_AUTHENTICATION, "LCP Authentication Option", &ett_lcp_auth_opt,
|
|
OPT_LEN_VARIABLE_LENGTH, 3, dissect_lcp_auth_opt},
|
|
{CI_COBS, "Consistent Overhead Byte Stuffing (COBS)", &ett_lcp_cobs_opt,
|
|
OPT_LEN_FIXED_LENGTH, 3, dissect_lcp_cobs_opt},
|
|
{CI_PREFIX_ELISION, "Prefix Elision", &ett_lcp_prefix_elision_opt,
|
|
OPT_LEN_VARIABLE_LENGTH, 2, dissect_lcp_prefix_elision_opt},
|
|
{CI_MULTILINK_HDR_FMT, "Multilink header format", &ett_multilink_hdr_fmt_opt,
|
|
OPT_LEN_FIXED_LENGTH, 4, dissect_lcp_multilink_hdr_fmt_opt},
|
|
{CI_INTERNATIONALIZATION, "Internationalization", &ett_lcp_internationalization_opt,
|
|
OPT_LEN_VARIABLE_LENGTH, 7, dissect_lcp_internationalization_opt},
|
|
{CI_SDL_ON_SONET_SDH, "Simple Data Link on SONET/SDH", &ett_lcp_simple_opt,
|
|
OPT_LEN_FIXED_LENGTH, 2, dissect_lcp_simple_opt}
|
|
/* TODO? CI_UNASSIGNED */
|
|
};
|
|
|
|
#define N_LCP_OPTS (sizeof lcp_opts / sizeof lcp_opts[0])
|
|
|
|
/* 3GPP2 X.S0057-B v1.0
|
|
* 9.1.4.1 3GPP2 VSNCP Configuration Options
|
|
* Options. (VSNCP)
|
|
*/
|
|
|
|
#define CI_PDN_IDENTIFIER 1
|
|
#define CI_ACCESS_POINT_NM 2
|
|
#define CI_PDN_TYPE 3
|
|
#define CI_PDN_ADDRESS 4
|
|
#define CI_PROTOCOL_CONFIG 5
|
|
#define CI_ERROR_CODE 6
|
|
#define CI_ATTACH_TYPE 7
|
|
#define CI_IPv4DEFAULT_ROUTER 8
|
|
#define CI_ADDRESS_ALLOC 9
|
|
#define CI_APN_AMBR 10
|
|
#define CI_IPv6_HSGW_LLA_IID 11
|
|
|
|
static void dissect_vsncp_pdnid_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo, proto_tree *tree, void *data _U_);
|
|
static void dissect_vsncp_apname_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo, proto_tree *tree, void *data _U_);
|
|
static void dissect_vsncp_pdntype_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo, proto_tree *tree, void *data _U_);
|
|
static void dissect_vsncp_pdnaddress_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo, proto_tree *tree, void *data _U_);
|
|
static void dissect_vsncp_pco_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo, proto_tree *tree, void *data _U_);
|
|
static void dissect_vsncp_errorcode_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo, proto_tree *tree, void *data _U_);
|
|
static void dissect_vsncp_attachtype_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo, proto_tree *tree, void *data _U_);
|
|
static void dissect_vsncp_ipv4address_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo, proto_tree *tree, void *data _U_);
|
|
static void dissect_vsncp_addressalloc_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo, proto_tree *tree, void *data _U_);
|
|
static void dissect_vsncp_apn_ambr_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo, proto_tree *tree, void *data _U_);
|
|
static void dissect_vsncp_ipv6_hsgw_lla_iid_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo, proto_tree *tree, void *data _U_);
|
|
|
|
static const ip_tcp_opt vsncp_opts[] = {
|
|
{CI_PDN_IDENTIFIER, "PDN Identifier", NULL,
|
|
OPT_LEN_FIXED_LENGTH, 3, dissect_vsncp_pdnid_opt},
|
|
{CI_ACCESS_POINT_NM, "Access Point Name", NULL,
|
|
OPT_LEN_VARIABLE_LENGTH, 2, dissect_vsncp_apname_opt},
|
|
{CI_PDN_TYPE, "PDN Type", NULL,
|
|
OPT_LEN_FIXED_LENGTH, 3, dissect_vsncp_pdntype_opt},
|
|
{CI_PDN_ADDRESS, "PDN Address", NULL,
|
|
OPT_LEN_VARIABLE_LENGTH, 3, dissect_vsncp_pdnaddress_opt},
|
|
{CI_PROTOCOL_CONFIG, "Protocol Configuration Options", NULL,
|
|
OPT_LEN_VARIABLE_LENGTH, 3, dissect_vsncp_pco_opt},
|
|
{CI_ERROR_CODE, "Error Code", NULL,
|
|
OPT_LEN_FIXED_LENGTH, 3, dissect_vsncp_errorcode_opt},
|
|
{CI_ATTACH_TYPE, "Attach Type", NULL,
|
|
OPT_LEN_FIXED_LENGTH, 3, dissect_vsncp_attachtype_opt},
|
|
{CI_IPv4DEFAULT_ROUTER, "IPv4 Default Router Address", NULL,
|
|
OPT_LEN_FIXED_LENGTH, 6, dissect_vsncp_ipv4address_opt},
|
|
{CI_ADDRESS_ALLOC, "Address Allocation Cause", NULL,
|
|
OPT_LEN_FIXED_LENGTH, 3, dissect_vsncp_addressalloc_opt},
|
|
{CI_APN_AMBR, "APN Aggregate Maximum Bit Rate(APN-AMBR)", NULL,
|
|
OPT_LEN_VARIABLE_LENGTH, 4, dissect_vsncp_apn_ambr_opt},
|
|
{CI_IPv6_HSGW_LLA_IID, "IPv6 HSGW Link Local Address IID", NULL,
|
|
OPT_LEN_FIXED_LENGTH, 10, dissect_vsncp_ipv6_hsgw_lla_iid_opt}
|
|
};
|
|
|
|
#define N_VSNCP_OPTS (sizeof vsncp_opts / sizeof vsncp_opts[0])
|
|
|
|
/*
|
|
* CHAP Algorithms
|
|
*/
|
|
/* 0-4: Reserved */
|
|
#define CHAP_ALG_MD5 5 /* CHAP with MD5 */
|
|
#define CHAP_AGL_SHA1 6 /* CHAP with SHA-1 [Black] */
|
|
/* 7-127: Unassigned */
|
|
#define CHAP_ALG_MSV1 128 /* MS-CHAP */
|
|
#define CHAP_ALG_MSV2 129 /* MS-CHAP-2 */
|
|
|
|
static const range_string chap_alg_rvals[] = {
|
|
{0, 4, "Reserved"},
|
|
{CHAP_ALG_MD5, CHAP_ALG_MD5, "CHAP with MD5"},
|
|
{CHAP_AGL_SHA1, CHAP_AGL_SHA1, "CHAP with SHA-1"},
|
|
{CHAP_ALG_MSV1, CHAP_ALG_MSV1, "MS-CHAP"},
|
|
{CHAP_ALG_MSV2, CHAP_ALG_MSV2, "MS-CHAP-2"},
|
|
{0, 0, NULL}
|
|
};
|
|
|
|
|
|
/*
|
|
* Options. (IPCP)
|
|
* http://tools.ietf.org/html/rfc1172
|
|
* http://tools.ietf.org/html/rfc1332
|
|
* http://tools.ietf.org/html/rfc1877
|
|
* http://tools.ietf.org/html/rfc2290
|
|
* http://tools.ietf.org/html/rfc3241
|
|
* http://tools.ietf.org/html/rfc3545
|
|
*/
|
|
#define CI_ADDRS 1 /* IP Addresses (deprecated) (RFC 1172) */
|
|
#define CI_COMPRESS_PROTO 2 /* Compression Protocol (RFC 1332) */
|
|
#define CI_ADDR 3 /* IP Address (RFC 1332) */
|
|
#define CI_MOBILE_IPv4 4 /* Mobile IPv4 (RFC 2290) */
|
|
#define CI_PRI_DNS 129 /* Primary DNS value (RFC 1877) */
|
|
#define CI_PRI_NBNS 130 /* Primary NBNS value (RFC 1877) */
|
|
#define CI_SEC_DNS 131 /* Secondary DNS value (RFC 1877) */
|
|
#define CI_SEC_NBNS 132 /* Secondary NBNS value (RFC 1877) */
|
|
|
|
static int hf_ipcp_opt_type = -1;
|
|
static int hf_ipcp_opt_length = -1;
|
|
static int hf_ipcp_opt_src_address = -1;
|
|
static int hf_ipcp_opt_dst_address = -1;
|
|
static int hf_ipcp_opt_compress_proto = -1;
|
|
static int hf_ipcp_opt_max_cid = -1;
|
|
static int hf_ipcp_opt_mrru = -1;
|
|
static int hf_ipcp_opt_max_slot_id = -1;
|
|
static int hf_ipcp_opt_comp_slot_id = -1;
|
|
static int hf_ipcp_opt_tcp_space = -1;
|
|
static int hf_ipcp_opt_non_tcp_space = -1;
|
|
static int hf_ipcp_opt_f_max_period = -1;
|
|
static int hf_ipcp_opt_f_max_time = -1;
|
|
static int hf_ipcp_opt_max_header = -1;
|
|
static int hf_ipcp_data = -1;
|
|
static int hf_ipcp_opt_ip_address = -1;
|
|
static int hf_ipcp_opt_mobilenodehomeaddr = -1;
|
|
static int hf_ipcp_opt_pri_dns_address = -1;
|
|
static int hf_ipcp_opt_pri_nbns_address = -1;
|
|
static int hf_ipcp_opt_sec_dns_address = -1;
|
|
static int hf_ipcp_opt_sec_nbns_address = -1;
|
|
|
|
static int hf_ipcp_opt_rohc_type = -1;
|
|
static int hf_ipcp_opt_rohc_length = -1;
|
|
static int hf_ipcp_opt_rohc_profile = -1;
|
|
static int hf_ipcp_opt_iphc_type = -1;
|
|
static int hf_ipcp_opt_iphc_length = -1;
|
|
static int hf_ipcp_opt_iphc_param = -1;
|
|
|
|
static void dissect_ipcp_addrs_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_);
|
|
static void dissect_ipcp_compress_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_);
|
|
static void dissect_ipcp_rohc_profiles_opt(const ip_tcp_opt *optp,
|
|
tvbuff_t *tvb, int offset, guint length, packet_info *pinfo _U_,
|
|
proto_tree *tree, void *data _U_);
|
|
static void dissect_ipcp_iphc_simple_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_);
|
|
static void dissect_ipcp_iphc_neghdrcomp_opt(const ip_tcp_opt *optp,
|
|
tvbuff_t *tvb, int offset, guint length, packet_info *pinfo _U_,
|
|
proto_tree *tree, void *data _U_);
|
|
static void dissect_ipcp_addr_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_);
|
|
static void dissect_ipcp_mobileipv4_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_);
|
|
static void dissect_ipcp_pri_dns_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_);
|
|
static void dissect_ipcp_pri_nbns_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_);
|
|
static void dissect_ipcp_sec_dns_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_);
|
|
static void dissect_ipcp_sec_nbns_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_);
|
|
|
|
static const ip_tcp_opt ipcp_opts[] = {
|
|
{CI_ADDRS, "IP Addresses (deprecated)", &ett_ipcp_ipaddrs_opt,
|
|
OPT_LEN_FIXED_LENGTH, 10, dissect_ipcp_addrs_opt},
|
|
{CI_COMPRESS_PROTO, "IP Compression Protocol", &ett_ipcp_compress_opt,
|
|
OPT_LEN_VARIABLE_LENGTH, 4, dissect_ipcp_compress_opt},
|
|
{CI_ADDR, "IP address", &ett_ipcp_ipaddr_opt,
|
|
OPT_LEN_FIXED_LENGTH, 6, dissect_ipcp_addr_opt},
|
|
{CI_MOBILE_IPv4, "Mobile Node's Home IP Address", &ett_ipcp_mobileipv4_opt,
|
|
OPT_LEN_FIXED_LENGTH, 6, dissect_ipcp_mobileipv4_opt},
|
|
{CI_PRI_DNS, "Primary DNS Server IP Address", &ett_ipcp_pridns_opt,
|
|
OPT_LEN_FIXED_LENGTH, 6, dissect_ipcp_pri_dns_opt},
|
|
{CI_PRI_NBNS, "Primary NBNS Server IP Address", &ett_ipcp_prinbns_opt,
|
|
OPT_LEN_FIXED_LENGTH, 6, dissect_ipcp_pri_nbns_opt},
|
|
{CI_SEC_DNS, "Secondary DNS Server IP Address", &ett_ipcp_secdns_opt,
|
|
OPT_LEN_FIXED_LENGTH, 6, dissect_ipcp_sec_dns_opt},
|
|
{CI_SEC_NBNS, "Secondary NBNS Server IP Address", &ett_ipcp_secnbns_opt,
|
|
OPT_LEN_FIXED_LENGTH, 6, dissect_ipcp_sec_nbns_opt}
|
|
};
|
|
|
|
#define N_IPCP_OPTS (sizeof ipcp_opts / sizeof ipcp_opts[0])
|
|
|
|
|
|
/*
|
|
* IP Compression options
|
|
*/
|
|
#define IPCP_ROHC 0x0003 /* RFC3241 */
|
|
#define IPCP_COMPRESS_VJ_1172 0x0037 /* value defined in RFC1172 (typo) */
|
|
#define IPCP_COMPRESS_VJ 0x002d /* value defined in RFC1332 (correct) */
|
|
#define IPCP_COMPRESS_IPHC 0x0061 /* RFC3544 (and RFC2509) */
|
|
|
|
static const value_string ipcp_compress_proto_vals[] = {
|
|
{IPCP_ROHC, "Robust Header Compression (ROHC)"},
|
|
{IPCP_COMPRESS_VJ, "VJ compression"},
|
|
{IPCP_COMPRESS_VJ_1172, "VJ compression (RFC1172-typo)"},
|
|
{IPCP_COMPRESS_IPHC, "IPHC compression"},
|
|
{0, NULL}
|
|
};
|
|
|
|
/* IPHC suboptions (RFC2508, 3544) */
|
|
#define IPCP_IPHC_CRTP 1
|
|
#define IPCP_IPHC_ECRTP 2
|
|
#define IPCP_IPHC_NEGHC 3
|
|
|
|
static const value_string ipcp_iphc_parameter_vals[] = {
|
|
{1, "The number of contexts for TCP Space is 0"},
|
|
{2, "The number of contexts for Non TCP Space is 0"},
|
|
{0, NULL}
|
|
};
|
|
|
|
static const ip_tcp_opt ipcp_iphc_subopts[] = {
|
|
{IPCP_IPHC_CRTP, "RTP compression (RFC2508)",
|
|
&ett_ipcp_iphc_rtp_compress_opt, OPT_LEN_FIXED_LENGTH, 2,
|
|
dissect_ipcp_iphc_simple_opt},
|
|
{IPCP_IPHC_ECRTP, "Enhanced RTP compression (RFC3545)",
|
|
&ett_ipcp_iphc_enhanced_rtp_compress_opt, OPT_LEN_FIXED_LENGTH, 2,
|
|
dissect_ipcp_iphc_simple_opt},
|
|
{IPCP_IPHC_NEGHC, "Negotiating header compression (RFC3545)",
|
|
&ett_ipcp_iphc_neghdrcomp_opt, OPT_LEN_FIXED_LENGTH, 3,
|
|
dissect_ipcp_iphc_neghdrcomp_opt}
|
|
};
|
|
|
|
#define N_IPCP_IPHC_SUBOPTS (sizeof ipcp_iphc_subopts / sizeof ipcp_iphc_subopts[0])
|
|
|
|
|
|
/* ROHC suboptions */
|
|
#define IPCP_ROHC_PROFILES 1
|
|
|
|
/* From http://tools.ietf.org/html/rfc3095 */
|
|
static const value_string ipcp_rohc_profile_vals[] = {
|
|
{0x0000, "ROHC uncompressed -- no compression"},
|
|
{0x0002, "ROHC UDP -- non-RTP UDP/IP compression"},
|
|
{0x0003, "ROHC ESP -- ESP/IP compression"},
|
|
{0, NULL}
|
|
};
|
|
|
|
static const ip_tcp_opt ipcp_rohc_subopts[] = {
|
|
{IPCP_ROHC_PROFILES, "Profiles (RFC3241)", &ett_ipcp_rohc_profiles_opt,
|
|
OPT_LEN_VARIABLE_LENGTH, 2, dissect_ipcp_rohc_profiles_opt}
|
|
};
|
|
|
|
#define N_IPCP_ROHC_SUBOPTS (sizeof ipcp_rohc_subopts / sizeof ipcp_rohc_subopts[0])
|
|
|
|
static ip_tcp_opt_type PPP_OPT_TYPES = {&hf_ppp_opt_type, &ett_ppp_opt_type,
|
|
&hf_ppp_opt_type_copy, &hf_ppp_opt_type_class, &hf_ppp_opt_type_number};
|
|
|
|
/*
|
|
* Options. (OSINLCP)
|
|
*/
|
|
#define CI_OSINLCP_ALIGN_NPDU 1 /* Alignment of the OSI NPDU (RFC 1377) */
|
|
|
|
static int hf_osinlcp_opt_type = -1;
|
|
static int hf_osinlcp_opt_length = -1;
|
|
static int hf_osinlcp_opt_alignment = -1;
|
|
|
|
static void dissect_osinlcp_align_npdu_opt(const ip_tcp_opt *optp,
|
|
tvbuff_t *tvb, int offset, guint length, packet_info *pinfo,
|
|
proto_tree *tree, void *data _U_);
|
|
|
|
static const ip_tcp_opt osinlcp_opts[] = {
|
|
{CI_OSINLCP_ALIGN_NPDU, "Align-NPDU", &ett_osinlcp_align_npdu_opt,
|
|
OPT_LEN_FIXED_LENGTH, 3, dissect_osinlcp_align_npdu_opt}
|
|
};
|
|
|
|
#define N_OSINLCP_OPTS (sizeof osinlcp_opts / sizeof osinlcp_opts[0])
|
|
|
|
/*
|
|
* Options. (CCP)
|
|
*/
|
|
#define CI_CCP_OUI 0 /* OUI (RFC1962) */
|
|
#define CI_CCP_PREDICT1 1 /* Predictor type 1 (RFC1962) */
|
|
#define CI_CCP_PREDICT2 2 /* Predictor type 2 (RFC1962) */
|
|
#define CI_CCP_PUDDLE 3 /* Puddle Jumper (RFC1962) */
|
|
#define CI_CCP_HPPPC 16 /* Hewlett-Packard PPC (RFC1962) */
|
|
#define CI_CCP_STAC 17 /* stac Electronics LZS (RFC1974) */
|
|
#define CI_CCP_MPPE 18 /* Microsoft PPE/C (RFC2118/3078) */
|
|
#define CI_CCP_GFZA 19 /* Gandalf FZA (RFC1962) */
|
|
#define CI_CCP_V42BIS 20 /* V.42bis compression */
|
|
#define CI_CCP_BSDLZW 21 /* BSD LZW Compress (RFC1977) */
|
|
#define CI_CCP_LZSDCP 23 /* LZS-DCP (RFC1967) */
|
|
#define CI_CCP_MVRCA 24 /* MVRCA (Magnalink) (RFC1975) */
|
|
#define CI_CCP_DCE 25 /* DCE (RFC1976) */
|
|
#define CI_CCP_DEFLATE 26 /* Deflate (RFC1979) */
|
|
#define CI_CCP_V44LZJH 27 /* V.44/LZJH (http://www.watersprings.org/pub/id/draft-heath-ppp-v44-01.txt) */
|
|
#define CI_CCP_RESERVED 255 /* Reserved (RFC1962) */
|
|
|
|
static int hf_ccp_opt_type = -1;
|
|
static int hf_ccp_opt_length = -1;
|
|
static int hf_ccp_opt_oui = -1;
|
|
static int hf_ccp_opt_subtype = -1;
|
|
static int hf_ccp_opt_data = -1;
|
|
static int hf_ccp_opt_history_count = -1;
|
|
static int hf_ccp_opt_cm = -1;
|
|
static int hf_ccp_opt_cm_reserved = -1;
|
|
static int hf_ccp_opt_cm_check_mode = -1;
|
|
static int hf_ccp_opt_supported_bits = -1;
|
|
static int hf_ccp_opt_supported_bits_h = -1;
|
|
static int hf_ccp_opt_supported_bits_m = -1;
|
|
static int hf_ccp_opt_supported_bits_s = -1;
|
|
static int hf_ccp_opt_supported_bits_l = -1;
|
|
static int hf_ccp_opt_supported_bits_d = -1;
|
|
static int hf_ccp_opt_supported_bits_c = -1;
|
|
static int hf_ccp_opt_history = -1;
|
|
static int hf_ccp_opt_version = -1;
|
|
static int hf_ccp_opt_vd = -1;
|
|
static int hf_ccp_opt_vd_vers = -1;
|
|
static int hf_ccp_opt_vd_dict = -1;
|
|
static int hf_ccp_opt_check_mode = -1;
|
|
static int hf_ccp_opt_process_mode = -1;
|
|
static int hf_ccp_opt_fe = -1;
|
|
static int hf_ccp_opt_p = -1;
|
|
static int hf_ccp_opt_History = -1; /* Different than hf_ccp_opt_history */
|
|
static int hf_ccp_opt_contexts = -1;
|
|
static int hf_ccp_opt_mode = -1;
|
|
static int hf_ccp_opt_window = -1;
|
|
static int hf_ccp_opt_method = -1;
|
|
static int hf_ccp_opt_mbz = -1;
|
|
static int hf_ccp_opt_chk = -1;
|
|
static int hf_ccp_opt_mode_dictcount = -1;
|
|
static int hf_ccp_opt_dict_size = -1;
|
|
static int hf_ccp_opt_history_length = -1;
|
|
|
|
static void dissect_ccp_oui_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_);
|
|
static void dissect_ccp_other_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_);
|
|
#define dissect_ccp_predict1_opt dissect_ccp_other_opt
|
|
#define dissect_ccp_predict2_opt dissect_ccp_other_opt
|
|
#define dissect_ccp_puddle_opt dissect_ccp_other_opt
|
|
#define dissect_ccp_hpppc_opt dissect_ccp_other_opt
|
|
static void dissect_ccp_stac_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_);
|
|
static void dissect_ccp_mppe_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_);
|
|
static void dissect_ccp_gfza_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_);
|
|
#define dissect_ccp_v42bis_opt dissect_ccp_other_opt
|
|
static void dissect_ccp_bsdcomp_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_);
|
|
static void dissect_ccp_lzsdcp_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_);
|
|
static void dissect_ccp_mvrca_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_);
|
|
static void dissect_ccp_dce_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_);
|
|
static void dissect_ccp_deflate_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_);
|
|
static void dissect_ccp_v44lzjh_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_);
|
|
|
|
static const ip_tcp_opt ccp_opts[] = {
|
|
|
|
{CI_CCP_OUI, "OUI", &ett_ccp_oui_opt,
|
|
OPT_LEN_VARIABLE_LENGTH, 6, dissect_ccp_oui_opt},
|
|
{CI_CCP_PREDICT1, "Predictor type 1", &ett_ccp_predict1_opt,
|
|
OPT_LEN_VARIABLE_LENGTH, 2, dissect_ccp_predict1_opt},
|
|
{CI_CCP_PREDICT2, "Predictor type 2", &ett_ccp_predict2_opt,
|
|
OPT_LEN_VARIABLE_LENGTH, 2, dissect_ccp_predict2_opt},
|
|
{CI_CCP_PUDDLE, "Puddle Jumper", &ett_ccp_puddle_opt,
|
|
OPT_LEN_VARIABLE_LENGTH, 2, dissect_ccp_puddle_opt},
|
|
{CI_CCP_HPPPC, "Hewlett-Packard PPC", &ett_ccp_hpppc_opt,
|
|
OPT_LEN_VARIABLE_LENGTH, 2, dissect_ccp_hpppc_opt},
|
|
{CI_CCP_STAC, "Stac Electronics LZS", &ett_ccp_stac_opt,
|
|
/* In RFC 1974, this is a fixed-length field of size 5, but in
|
|
* Ascend Proprietary STAC compression this field is 6 octets. */
|
|
OPT_LEN_VARIABLE_LENGTH, 5, dissect_ccp_stac_opt},
|
|
{CI_CCP_MPPE, "Microsoft PPE/PPC", &ett_ccp_mppe_opt,
|
|
OPT_LEN_FIXED_LENGTH, 6, dissect_ccp_mppe_opt},
|
|
{CI_CCP_GFZA, "Gandalf FZA", &ett_ccp_gfza_opt,
|
|
OPT_LEN_VARIABLE_LENGTH, 3, dissect_ccp_gfza_opt},
|
|
{CI_CCP_V42BIS, "V.42bis compression", &ett_ccp_v42bis_opt,
|
|
OPT_LEN_VARIABLE_LENGTH, 2, dissect_ccp_v42bis_opt},
|
|
{CI_CCP_BSDLZW, "BSD LZW Compress", &ett_ccp_bsdcomp_opt,
|
|
OPT_LEN_FIXED_LENGTH, 3, dissect_ccp_bsdcomp_opt},
|
|
{CI_CCP_LZSDCP, "LZS-DCP", &ett_ccp_lzsdcp_opt,
|
|
OPT_LEN_FIXED_LENGTH, 6, dissect_ccp_lzsdcp_opt},
|
|
{CI_CCP_MVRCA, "MVRCA (Magnalink)", &ett_ccp_mvrca_opt,
|
|
OPT_LEN_FIXED_LENGTH, 4, dissect_ccp_mvrca_opt},
|
|
{CI_CCP_DCE,
|
|
"PPP for Data Compression in Data Circuit-Terminating Equipment (DCE)",
|
|
&ett_ccp_dce_opt,
|
|
OPT_LEN_FIXED_LENGTH, 3, dissect_ccp_dce_opt},
|
|
{CI_CCP_DEFLATE, "Deflate", &ett_ccp_deflate_opt,
|
|
/* RFC1979 says the length is 3 but it's actually 4. */
|
|
OPT_LEN_FIXED_LENGTH, 4, dissect_ccp_deflate_opt},
|
|
{CI_CCP_V44LZJH, "V.44/LZJH compression", &ett_ccp_v44lzjh_opt,
|
|
OPT_LEN_VARIABLE_LENGTH, 4, dissect_ccp_v44lzjh_opt}
|
|
};
|
|
|
|
#define N_CCP_OPTS (sizeof ccp_opts / sizeof ccp_opts[0])
|
|
|
|
/*
|
|
* Options. (CBCP)
|
|
*/
|
|
#define CI_CBCP_NO_CALLBACK 1 /* No callback */
|
|
#define CI_CBCP_CB_USER 2 /* Callback to a user-specified number */
|
|
#define CI_CBCP_CB_PRE 3 /* Callback to a pre-specified or
|
|
administrator specified number */
|
|
#define CI_CBCP_CB_ANY 4 /* Callback to any of a list of numbers */
|
|
|
|
static void dissect_cbcp_no_callback_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo, proto_tree *tree, void *data _U_);
|
|
|
|
static void dissect_cbcp_callback_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo, proto_tree *tree, void *data _U_);
|
|
|
|
static const ip_tcp_opt cbcp_opts[] = {
|
|
{CI_CBCP_NO_CALLBACK, "No callback", NULL,
|
|
OPT_LEN_FIXED_LENGTH, 2, dissect_cbcp_no_callback_opt},
|
|
{CI_CBCP_CB_USER, "Callback to a user-specified number", &ett_cbcp_callback_opt,
|
|
OPT_LEN_VARIABLE_LENGTH, 4, dissect_cbcp_callback_opt},
|
|
{CI_CBCP_CB_PRE, "Callback to a pre-specified or admin-specified number", &ett_cbcp_callback_opt,
|
|
OPT_LEN_FIXED_LENGTH, 3, dissect_cbcp_callback_opt},
|
|
{CI_CBCP_CB_ANY, "Callback to any of a list of numbers", &ett_cbcp_callback_opt,
|
|
OPT_LEN_VARIABLE_LENGTH, 4, dissect_cbcp_callback_opt}
|
|
};
|
|
|
|
#define N_CBCP_OPTS (sizeof cbcp_opts / sizeof cbcp_opts[0])
|
|
|
|
/*
|
|
* Options. (BACP)
|
|
*/
|
|
#define CI_BACP_FAVORED_PEER 1 /* Favored-Peer */
|
|
|
|
static void dissect_bacp_favored_peer_opt(const ip_tcp_opt *optp,
|
|
tvbuff_t *tvb, int offset, guint length, packet_info *pinfo,
|
|
proto_tree *tree, void *data _U_);
|
|
|
|
static const ip_tcp_opt bacp_opts[] = {
|
|
{CI_BACP_FAVORED_PEER, "Favored-Peer", &ett_bacp_favored_peer_opt,
|
|
OPT_LEN_FIXED_LENGTH, 6, dissect_bacp_favored_peer_opt}
|
|
};
|
|
|
|
#define N_BACP_OPTS (sizeof bacp_opts / sizeof bacp_opts[0])
|
|
|
|
/*
|
|
* Options. (BAP)
|
|
*/
|
|
#define CI_BAP_LINK_TYPE 1 /* Link Type */
|
|
#define CI_BAP_PHONE_DELTA 2 /* Phone-Delta */
|
|
#define CI_BAP_NO_PHONE_NUM_NEEDED 3 /* No Phone Number Needed */
|
|
#define CI_BAP_REASON 4 /* Reason */
|
|
#define CI_BAP_LINK_DISC 5 /* Link Discriminator */
|
|
#define CI_BAP_CALL_STATUS 6 /* Call Status */
|
|
|
|
static void dissect_bap_link_type_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo, proto_tree *tree, void *data _U_);
|
|
static void dissect_bap_phone_delta_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo, proto_tree *tree, void *data _U_);
|
|
static void dissect_bap_link_disc_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo, proto_tree *tree, void *data _U_);
|
|
static void dissect_bap_reason_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo, proto_tree *tree, void *data _U_);
|
|
static void dissect_bap_call_status_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo, proto_tree *tree, void *data _U_);
|
|
|
|
static const ip_tcp_opt bap_opts[] = {
|
|
{CI_BAP_LINK_TYPE, "Link Type", &ett_bap_link_type_opt,
|
|
OPT_LEN_FIXED_LENGTH, 5, dissect_bap_link_type_opt},
|
|
{CI_BAP_PHONE_DELTA, "Phone Delta", &ett_bap_phone_delta_opt,
|
|
OPT_LEN_VARIABLE_LENGTH, 4, dissect_bap_phone_delta_opt},
|
|
{CI_BAP_NO_PHONE_NUM_NEEDED, "No Phone Number Needed", NULL,
|
|
OPT_LEN_FIXED_LENGTH, 2, NULL},
|
|
{CI_BAP_REASON, "Reason", NULL,
|
|
OPT_LEN_VARIABLE_LENGTH, 2, dissect_bap_reason_opt},
|
|
{CI_BAP_LINK_DISC, "Link Discriminator", NULL,
|
|
OPT_LEN_FIXED_LENGTH, 4, dissect_bap_link_disc_opt},
|
|
{CI_BAP_CALL_STATUS, "Call Status", &ett_bap_call_status_opt,
|
|
OPT_LEN_FIXED_LENGTH, 4, dissect_bap_call_status_opt}
|
|
};
|
|
|
|
#define N_BAP_OPTS (sizeof bap_opts / sizeof bap_opts[0])
|
|
|
|
static void dissect_ppp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
|
|
|
|
static const value_string pap_vals[] = {
|
|
{CONFREQ, "Authenticate-Request"},
|
|
{CONFACK, "Authenticate-Ack"},
|
|
{CONFNAK, "Authenticate-Nak"},
|
|
{0, NULL}
|
|
};
|
|
|
|
static void dissect_pap(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
|
|
|
|
#define CHAP_CHAL 1 /* CHAP Challenge */
|
|
#define CHAP_RESP 2 /* CHAP Response */
|
|
#define CHAP_SUCC 3 /* CHAP Success */
|
|
#define CHAP_FAIL 4 /* CHAP Failure */
|
|
|
|
static const value_string chap_vals[] = {
|
|
{CHAP_CHAL, "Challenge"},
|
|
{CHAP_RESP, "Response"},
|
|
{CHAP_SUCC, "Success"},
|
|
{CHAP_FAIL, "Failure"},
|
|
{0, NULL}
|
|
};
|
|
|
|
static void dissect_chap(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
|
|
|
|
static const value_string pppmuxcp_vals[] = {
|
|
{CONFREQ, "Configuration Request"},
|
|
{CONFACK, "Configuration Ack"},
|
|
{0, NULL}
|
|
};
|
|
|
|
/*
|
|
* PPPMuxCP options
|
|
*/
|
|
|
|
#define CI_DEFAULT_PID 1
|
|
|
|
static void dissect_pppmuxcp_def_pid_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo, proto_tree *tree, void *data _U_);
|
|
|
|
|
|
static const ip_tcp_opt pppmuxcp_opts[] = {
|
|
{CI_DEFAULT_PID, "Default Protocol ID", NULL,
|
|
OPT_LEN_FIXED_LENGTH, 4, dissect_pppmuxcp_def_pid_opt}
|
|
};
|
|
|
|
static const true_false_string tfs_pppmux_length_field = { "2 bytes", "1 byte" };
|
|
|
|
#define N_PPPMUXCP_OPTS (sizeof pppmuxcp_opts / sizeof pppmuxcp_opts[0])
|
|
|
|
/*
|
|
* Options. (IPv6CP)
|
|
*/
|
|
#define CI_IPV6CP_IF_ID 1 /* Interface Identifier (RFC 2472) */
|
|
#define CI_IPV6CP_COMPRESSTYPE 2 /* Compression Type (RFC 2472) */
|
|
|
|
static void dissect_ipv6cp_if_id_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo, proto_tree *tree, void *data _U_);
|
|
|
|
static const ip_tcp_opt ipv6cp_opts[] = {
|
|
{CI_IPV6CP_IF_ID, "Interface Identifier", &ett_ipv6cp_if_id_opt,
|
|
OPT_LEN_FIXED_LENGTH, 10, dissect_ipv6cp_if_id_opt},
|
|
{CI_COMPRESS_PROTO, "IPv6 compression", &ett_ipv6cp_compress_opt,
|
|
OPT_LEN_VARIABLE_LENGTH, 4, dissect_ipcp_compress_opt}
|
|
};
|
|
|
|
#define N_IPV6CP_OPTS (sizeof ipv6cp_opts / sizeof ipv6cp_opts[0])
|
|
|
|
/*
|
|
*******************************************************************************
|
|
* DETAILS : Calculate a new FCS-16 given the current FCS-16 and the new data.
|
|
*******************************************************************************
|
|
*/
|
|
static guint16
|
|
fcs16(tvbuff_t *tvbuff)
|
|
{
|
|
guint len = tvb_length(tvbuff) - 2;
|
|
|
|
/* Check for Invalid Length */
|
|
if (len == 0)
|
|
return (0x0000);
|
|
return crc16_ccitt_tvb(tvbuff, len);
|
|
}
|
|
|
|
/*
|
|
*******************************************************************************
|
|
* DETAILS : Calculate a new FCS-32 given the current FCS-32 and the new data.
|
|
*******************************************************************************
|
|
*/
|
|
static guint32
|
|
fcs32(tvbuff_t *tvbuff)
|
|
{
|
|
guint len = tvb_length(tvbuff) - 4;
|
|
|
|
/* Check for invalid Length */
|
|
if (len == 0)
|
|
return (0x00000000);
|
|
return crc32_ccitt_tvb(tvbuff, len);
|
|
}
|
|
|
|
tvbuff_t *
|
|
decode_fcs(tvbuff_t *tvb, proto_tree *fh_tree, int fcs_decode, int proto_offset)
|
|
{
|
|
tvbuff_t *next_tvb;
|
|
gint len, reported_len;
|
|
int rx_fcs_offset;
|
|
guint32 rx_fcs_exp;
|
|
guint32 rx_fcs_got;
|
|
|
|
/*
|
|
* Remove the FCS, if any, from the packet data.
|
|
*/
|
|
switch (fcs_decode) {
|
|
|
|
case NO_FCS:
|
|
next_tvb = tvb_new_subset_remaining(tvb, proto_offset);
|
|
break;
|
|
|
|
case FCS_16:
|
|
/*
|
|
* Do we have the entire packet, and does it include a 2-byte FCS?
|
|
*/
|
|
len = tvb_length_remaining(tvb, proto_offset);
|
|
reported_len = tvb_reported_length_remaining(tvb, proto_offset);
|
|
if (reported_len < 2 || len < 0) {
|
|
/*
|
|
* The packet is claimed not to even have enough data for a 2-byte
|
|
* FCS, or we're already past the end of the captured data.
|
|
* Don't slice anything off.
|
|
*/
|
|
next_tvb = tvb_new_subset_remaining(tvb, proto_offset);
|
|
} else if (len < reported_len) {
|
|
/*
|
|
* The packet is claimed to have enough data for a 2-byte FCS, but
|
|
* we didn't capture all of the packet.
|
|
* Slice off the 2-byte FCS from the reported length, and trim the
|
|
* captured length so it's no more than the reported length; that
|
|
* will slice off what of the FCS, if any, is in the captured
|
|
* length.
|
|
*/
|
|
reported_len -= 2;
|
|
if (len > reported_len)
|
|
len = reported_len;
|
|
next_tvb = tvb_new_subset(tvb, proto_offset, len, reported_len);
|
|
} else {
|
|
/*
|
|
* We have the entire packet, and it includes a 2-byte FCS.
|
|
* Slice it off.
|
|
*/
|
|
len -= 2;
|
|
reported_len -= 2;
|
|
next_tvb = tvb_new_subset(tvb, proto_offset, len, reported_len);
|
|
|
|
/*
|
|
* Compute the FCS and put it into the tree.
|
|
*/
|
|
rx_fcs_offset = proto_offset + len;
|
|
rx_fcs_exp = fcs16(tvb);
|
|
rx_fcs_got = tvb_get_letohs(tvb, rx_fcs_offset);
|
|
if (rx_fcs_got != rx_fcs_exp) {
|
|
proto_tree_add_text(fh_tree, tvb, rx_fcs_offset, 2,
|
|
"FCS 16: 0x%04x [incorrect, should be 0x%04x]",
|
|
rx_fcs_got, rx_fcs_exp);
|
|
} else {
|
|
proto_tree_add_text(fh_tree, tvb, rx_fcs_offset, 2,
|
|
"FCS 16: 0x%04x [correct]", rx_fcs_got);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case FCS_32:
|
|
/*
|
|
* Do we have the entire packet, and does it include a 4-byte FCS?
|
|
*/
|
|
len = tvb_length_remaining(tvb, proto_offset);
|
|
reported_len = tvb_reported_length_remaining(tvb, proto_offset);
|
|
if (reported_len < 4) {
|
|
/*
|
|
* The packet is claimed not to even have enough data for a 4-byte
|
|
* FCS. Just pass on the tvbuff as is.
|
|
*/
|
|
next_tvb = tvb_new_subset_remaining(tvb, proto_offset);
|
|
} else if (len < reported_len) {
|
|
/*
|
|
* The packet is claimed to have enough data for a 4-byte FCS, but
|
|
* we didn't capture all of the packet.
|
|
* Slice off the 4-byte FCS from the reported length, and trim the
|
|
* captured length so it's no more than the reported length; that
|
|
* will slice off what of the FCS, if any, is in the captured
|
|
* length.
|
|
*/
|
|
reported_len -= 4;
|
|
if (len > reported_len)
|
|
len = reported_len;
|
|
next_tvb = tvb_new_subset(tvb, proto_offset, len, reported_len);
|
|
} else {
|
|
/*
|
|
* We have the entire packet, and it includes a 4-byte FCS.
|
|
* Slice it off.
|
|
*/
|
|
len -= 4;
|
|
reported_len -= 4;
|
|
next_tvb = tvb_new_subset(tvb, proto_offset, len, reported_len);
|
|
|
|
/*
|
|
* Compute the FCS and put it into the tree.
|
|
*/
|
|
rx_fcs_offset = proto_offset + len;
|
|
rx_fcs_exp = fcs32(tvb);
|
|
rx_fcs_got = tvb_get_letohl(tvb, rx_fcs_offset);
|
|
if (rx_fcs_got != rx_fcs_exp) {
|
|
proto_tree_add_text(fh_tree, tvb, rx_fcs_offset, 4,
|
|
"FCS 32: 0x%08x [incorrect, should be 0x%08x]",
|
|
rx_fcs_got, rx_fcs_exp);
|
|
} else {
|
|
proto_tree_add_text(fh_tree, tvb, rx_fcs_offset, 4,
|
|
"FCS 32: 0x%08x [correct]", rx_fcs_got);
|
|
}
|
|
}
|
|
break;
|
|
|
|
default:
|
|
DISSECTOR_ASSERT_NOT_REACHED();
|
|
next_tvb = NULL;
|
|
break;
|
|
}
|
|
|
|
return next_tvb;
|
|
}
|
|
|
|
void
|
|
capture_ppp_hdlc(const guchar *pd, int offset, int len, packet_counts *ld)
|
|
{
|
|
if (!BYTES_ARE_IN_FRAME(offset, len, 2)) {
|
|
ld->other++;
|
|
return;
|
|
}
|
|
if (pd[0] == CHDLC_ADDR_UNICAST || pd[0] == CHDLC_ADDR_MULTICAST) {
|
|
capture_chdlc(pd, offset, len, ld);
|
|
return;
|
|
}
|
|
if (!BYTES_ARE_IN_FRAME(offset, len, 4)) {
|
|
ld->other++;
|
|
return;
|
|
}
|
|
switch (pntoh16(&pd[offset + 2])) {
|
|
case PPP_IP:
|
|
capture_ip(pd, offset + 4, len, ld);
|
|
break;
|
|
case PPP_IPX:
|
|
capture_ipx(ld);
|
|
break;
|
|
case PPP_VINES:
|
|
capture_vines(ld);
|
|
break;
|
|
default:
|
|
ld->other++;
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_lcp_opt_type_len(tvbuff_t *tvb, int offset, proto_tree *tree,
|
|
const char *name)
|
|
{
|
|
guint8 type;
|
|
|
|
type = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_uint_format_value(tree, hf_lcp_opt_type, tvb, offset, 1,
|
|
type, "%s (%u)", name, type);
|
|
proto_tree_add_item(tree, hf_lcp_opt_length, tvb, offset + 1, 1, ENC_NA);
|
|
}
|
|
|
|
static void
|
|
dissect_lcp_vendor_opt(const ip_tcp_opt *optp, tvbuff_t *tvb, int offset,
|
|
guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
proto_tree *field_tree;
|
|
proto_item *ti;
|
|
guint32 oui;
|
|
const gchar *manuf;
|
|
|
|
oui = tvb_get_ntoh24(tvb, offset + 2);
|
|
field_tree = proto_tree_add_subtree(tree, tvb, offset, length, *optp->subtree_index, NULL, optp->name);
|
|
dissect_lcp_opt_type_len(tvb, offset, field_tree, optp->name);
|
|
ti = proto_tree_add_uint_format_value(field_tree, hf_lcp_opt_oui, tvb,
|
|
offset + 2, 3, oui, "%02x:%02x:%02x",
|
|
(oui >> 16) & 0xff, (oui >> 8) & 0xff, oui & 0xff);
|
|
manuf = uint_get_manuf_name_if_known(oui);
|
|
if (manuf)
|
|
proto_item_append_text(ti, "(%s)", manuf);
|
|
|
|
proto_tree_add_item(field_tree, hf_lcp_opt_kind, tvb, offset + 5, 1,
|
|
ENC_NA);
|
|
if (length > 6) {
|
|
proto_tree_add_item(field_tree, hf_lcp_opt_data, tvb, offset + 6,
|
|
length - 6, ENC_NA);
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_lcp_mru_opt(const ip_tcp_opt *optp, tvbuff_t *tvb, int offset,
|
|
guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
proto_tree *field_tree;
|
|
|
|
field_tree = proto_tree_add_subtree_format(tree, tvb, offset, length,
|
|
*optp->subtree_index, NULL, "%s: %u", optp->name,
|
|
tvb_get_ntohs(tvb, offset + 2));
|
|
dissect_lcp_opt_type_len(tvb, offset, field_tree, optp->name);
|
|
proto_tree_add_item(field_tree, hf_lcp_opt_mru, tvb, offset + 2, 2,
|
|
ENC_BIG_ENDIAN);
|
|
}
|
|
|
|
static void
|
|
dissect_lcp_async_map_opt(const ip_tcp_opt *optp, tvbuff_t *tvb, int offset,
|
|
guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
proto_tree *field_tree;
|
|
proto_item *tf, *ti;
|
|
static const int *asyncmap_fields[] = {
|
|
&hf_lcp_opt_asyncmap_us, &hf_lcp_opt_asyncmap_rs,
|
|
&hf_lcp_opt_asyncmap_gs, &hf_lcp_opt_asyncmap_fs,
|
|
&hf_lcp_opt_asyncmap_esc, &hf_lcp_opt_asyncmap_sub,
|
|
&hf_lcp_opt_asyncmap_em, &hf_lcp_opt_asyncmap_can,
|
|
&hf_lcp_opt_asyncmap_etb, &hf_lcp_opt_asyncmap_syn,
|
|
&hf_lcp_opt_asyncmap_nak, &hf_lcp_opt_asyncmap_dc4,
|
|
&hf_lcp_opt_asyncmap_dc3, &hf_lcp_opt_asyncmap_dc2,
|
|
&hf_lcp_opt_asyncmap_dc1, &hf_lcp_opt_asyncmap_dle,
|
|
&hf_lcp_opt_asyncmap_si, &hf_lcp_opt_asyncmap_so,
|
|
&hf_lcp_opt_asyncmap_cr, &hf_lcp_opt_asyncmap_ff,
|
|
&hf_lcp_opt_asyncmap_vt, &hf_lcp_opt_asyncmap_lf,
|
|
&hf_lcp_opt_asyncmap_ht, &hf_lcp_opt_asyncmap_bs,
|
|
&hf_lcp_opt_asyncmap_bel, &hf_lcp_opt_asyncmap_ack,
|
|
&hf_lcp_opt_asyncmap_enq, &hf_lcp_opt_asyncmap_eot,
|
|
&hf_lcp_opt_asyncmap_etx, &hf_lcp_opt_asyncmap_stx,
|
|
&hf_lcp_opt_asyncmap_soh, &hf_lcp_opt_asyncmap_nul,
|
|
NULL
|
|
};
|
|
|
|
static const char *ctrlchars[32] = {
|
|
"NUL", "SOH", "STX", "ETX", "EOT", "ENQ", "ACK", "BEL",
|
|
"BS", "HT", "LF", "VT", "FF", "CR", "SO", "SI",
|
|
"DLE", "DC1 (XON)", "DC2", "DC3 (XOFF)", "DC4", "NAK", "SYN", "ETB",
|
|
"CAN", "EM", "SUB", "ESC", "FS", "GS", "RS", "US"
|
|
};
|
|
|
|
gboolean anyctrlchars;
|
|
guint32 map;
|
|
int i;
|
|
|
|
map = tvb_get_ntohl(tvb, offset + 2);
|
|
field_tree = proto_tree_add_subtree_format(tree, tvb, offset, length, *optp->subtree_index, &tf, "%s: 0x%08x (",
|
|
optp->name, map);
|
|
dissect_lcp_opt_type_len(tvb, offset, field_tree, optp->name);
|
|
ti = proto_tree_add_bitmask(field_tree, tvb, offset + 2,
|
|
hf_lcp_opt_asyncmap, *optp->subtree_index, asyncmap_fields,
|
|
ENC_BIG_ENDIAN);
|
|
if (map == 0x00000000) {
|
|
proto_item_append_text(tf, "None)");
|
|
proto_item_append_text(ti, " (None)");
|
|
} else if (map == 0xffffffff) {
|
|
proto_item_append_text(tf, "All)");
|
|
proto_item_append_text(ti, " (All)");
|
|
} else {
|
|
for (anyctrlchars = FALSE, i = 31; i >= 0; i--) {
|
|
if (map & (1 << i)) {
|
|
if (anyctrlchars)
|
|
proto_item_append_text(tf, ", %s", ctrlchars[i]);
|
|
else {
|
|
anyctrlchars = TRUE;
|
|
proto_item_append_text(tf, "%s", ctrlchars[i]);
|
|
}
|
|
}
|
|
}
|
|
proto_item_append_text(tf, ")");
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_lcp_authprot_opt(const ip_tcp_opt *optp, tvbuff_t *tvb, int offset,
|
|
guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
proto_tree *field_tree;
|
|
guint16 protocol;
|
|
|
|
protocol = tvb_get_ntohs(tvb, offset + 2);
|
|
field_tree = proto_tree_add_subtree_format(tree, tvb, offset, length, *optp->subtree_index, NULL,
|
|
"%s: %s (0x%02x)", optp->name, val_to_str_ext_const(protocol, &ppp_vals_ext, "Unknown"),
|
|
protocol);
|
|
dissect_lcp_opt_type_len(tvb, offset, field_tree, optp->name);
|
|
proto_tree_add_item(field_tree, hf_lcp_opt_auth_protocol, tvb, offset + 2,
|
|
2, ENC_BIG_ENDIAN);
|
|
|
|
if (length > 4) {
|
|
offset += 4;
|
|
length -= 4;
|
|
if (protocol == PPP_CHAP) {
|
|
proto_tree_add_item(field_tree, hf_lcp_opt_algorithm, tvb, offset,
|
|
1, ENC_NA);
|
|
if (length > 1) {
|
|
proto_tree_add_item(field_tree, hf_lcp_opt_data, tvb,
|
|
offset + 1, length - 1, ENC_NA);
|
|
}
|
|
} else {
|
|
proto_tree_add_item(field_tree, hf_lcp_opt_data, tvb, offset,
|
|
length, ENC_NA);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_lcp_qualprot_opt(const ip_tcp_opt *optp, tvbuff_t *tvb, int offset,
|
|
guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
proto_tree *field_tree;
|
|
guint16 protocol;
|
|
|
|
protocol = tvb_get_ntohs(tvb, offset + 2);
|
|
field_tree = proto_tree_add_subtree_format(tree, tvb, offset, length, *optp->subtree_index, NULL, "%s: %s (0x%02x)",
|
|
optp->name, val_to_str_ext_const(protocol, &ppp_vals_ext, "Unknown"),
|
|
protocol);
|
|
dissect_lcp_opt_type_len(tvb, offset, field_tree, optp->name);
|
|
proto_tree_add_item(field_tree, hf_lcp_opt_quality_protocol, tvb,
|
|
offset + 2, 2, ENC_BIG_ENDIAN);
|
|
|
|
if (length > 4) {
|
|
proto_tree_add_item(field_tree, hf_lcp_opt_data, tvb, offset + 4,
|
|
length + 4, ENC_NA);
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_lcp_magicnumber_opt(const ip_tcp_opt *optp, tvbuff_t *tvb, int offset,
|
|
guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
proto_tree *field_tree;
|
|
|
|
field_tree = proto_tree_add_subtree_format(tree, tvb, offset, length, *optp->subtree_index, NULL, "%s: 0x%08x",
|
|
optp->name, tvb_get_ntohl(tvb, offset + 2));
|
|
dissect_lcp_opt_type_len(tvb, offset, field_tree, optp->name);
|
|
proto_tree_add_item(field_tree, hf_lcp_opt_magic_number, tvb, offset + 2,
|
|
4, ENC_BIG_ENDIAN);
|
|
}
|
|
|
|
static void
|
|
dissect_lcp_linkqualmon_opt(const ip_tcp_opt *optp, tvbuff_t *tvb, int offset,
|
|
guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
proto_tree *field_tree;
|
|
guint32 reportingperiod;
|
|
|
|
reportingperiod = tvb_get_ntohl(tvb, offset + 2);
|
|
field_tree = proto_tree_add_subtree_format(tree, tvb, offset, length,
|
|
*optp->subtree_index, NULL, "%s: %u microsecond%s%s", optp->name, reportingperiod,
|
|
plurality(reportingperiod, "", "s"),
|
|
reportingperiod ? "" : " [illegal]");
|
|
dissect_lcp_opt_type_len(tvb, offset, field_tree, optp->name);
|
|
proto_tree_add_uint_format_value(field_tree, hf_lcp_opt_reportingperiod,
|
|
tvb, offset + 2, 4, reportingperiod, "%u microsecond%s%s",
|
|
reportingperiod, plurality(reportingperiod, "", "s"),
|
|
reportingperiod ? "" : "[illegal]");
|
|
}
|
|
|
|
/* Used for:
|
|
* Protocol Field Compression
|
|
* Address and Control Field Compression
|
|
* Compound Frames (Deprecated)
|
|
* Nominal Data Encapsulation (Deprecated)
|
|
* Multilink Short Sequence Number Header
|
|
* Simple Data Link on SONET/SDH
|
|
*/
|
|
static void
|
|
dissect_lcp_simple_opt(const ip_tcp_opt *optp, tvbuff_t *tvb, int offset,
|
|
guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
proto_tree *field_tree;
|
|
|
|
field_tree = proto_tree_add_subtree(tree, tvb, offset, length, *optp->subtree_index, NULL, optp->name);
|
|
dissect_lcp_opt_type_len(tvb, offset, field_tree, optp->name);
|
|
}
|
|
|
|
static void
|
|
dissect_lcp_fcs_alternatives_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo _U_, proto_tree *tree,
|
|
void *data _U_)
|
|
{
|
|
proto_tree *field_tree;
|
|
static const int *fcs_alternatives_fields[] = {
|
|
&hf_lcp_opt_fcs_alternatives_ccitt32,
|
|
&hf_lcp_opt_fcs_alternatives_ccitt16,
|
|
&hf_lcp_opt_fcs_alternatives_null,
|
|
NULL
|
|
};
|
|
|
|
field_tree = proto_tree_add_subtree_format(tree, tvb, offset, length,
|
|
*optp->subtree_index, NULL, "%s: 0x%02x",
|
|
optp->name, tvb_get_guint8(tvb, offset + 2));
|
|
dissect_lcp_opt_type_len(tvb, offset, field_tree, optp->name);
|
|
proto_tree_add_bitmask(field_tree, tvb, offset + 2,
|
|
hf_lcp_opt_fcs_alternatives, *optp->subtree_index,
|
|
fcs_alternatives_fields, ENC_NA);
|
|
}
|
|
|
|
static void
|
|
dissect_lcp_self_describing_pad_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo _U_, proto_tree *tree,
|
|
void *data _U_)
|
|
{
|
|
proto_tree *field_tree;
|
|
guint8 maximum;
|
|
|
|
maximum = tvb_get_guint8(tvb, offset + 2);
|
|
field_tree = proto_tree_add_subtree_format(tree, tvb, offset, length,
|
|
*optp->subtree_index, NULL, "%s: %u octet%s%s",
|
|
optp->name, maximum, plurality(maximum, "", "s"),
|
|
maximum ? "" : " [invalid]");
|
|
dissect_lcp_opt_type_len(tvb, offset, field_tree, optp->name);
|
|
proto_tree_add_uint_format_value(field_tree, hf_lcp_opt_maximum, tvb,
|
|
offset + 2, 1, maximum, "%u octet%s%s", maximum,
|
|
plurality(maximum, "", "s"), maximum ? "" : " [invalid]");
|
|
}
|
|
|
|
static void
|
|
dissect_lcp_numbered_mode_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo _U_, proto_tree *tree,
|
|
void *data _U_)
|
|
{
|
|
proto_tree *field_tree;
|
|
guint8 window;
|
|
|
|
window = tvb_get_guint8(tvb, offset + 2);
|
|
field_tree = proto_tree_add_subtree_format(tree, tvb, offset, length,
|
|
*optp->subtree_index, NULL, "%s: %u frame%s%s",
|
|
optp->name, window, plurality(window, "", "s"),
|
|
(window == 0 || window > 127) ? " [invalid]" : "");
|
|
dissect_lcp_opt_type_len(tvb, offset, field_tree, optp->name);
|
|
proto_tree_add_uint_format_value(field_tree, hf_lcp_opt_window, tvb,
|
|
offset + 2, 1, window, "%u frame%s%s", window,
|
|
plurality(window, "", "s"),
|
|
(window == 0 || window > 127) ? " [invalid]" : "");
|
|
if (length > 3) {
|
|
proto_tree_add_item(field_tree, hf_lcp_opt_hdlc_address, tvb,
|
|
offset + 3, length - 3, ENC_NA);
|
|
}
|
|
}
|
|
|
|
/* http://tools.ietf.org/html/rfc1570#section-2.3 only lists 0-4, but
|
|
* http://tools.ietf.org/html/draft-ietf-pppext-callback-ds-02 lists 5 as
|
|
* "E.165 number", rather than "unassigned", and
|
|
* http://msdn.microsoft.com/en-us/library/ff632847%28v=prot.10%29.aspx does
|
|
* indicate 6 as below. Since 5 is only mentioned in the draft, leave it as
|
|
* "unassigned"?
|
|
*/
|
|
static const value_string callback_op_vals[] = {
|
|
{0, "Location is determined by user authentication"},
|
|
{1, "Message is dialing string"},
|
|
{2, "Message is location identifier"},
|
|
{3, "Message is E.164"},
|
|
{4, "Message is distinguished name"},
|
|
{5, "unassigned"}, /* "Message is E.165"? */
|
|
{6, "Location is determined during CBCP negotiation"},
|
|
{0, NULL}
|
|
};
|
|
|
|
static void
|
|
dissect_lcp_callback_opt(const ip_tcp_opt *optp, tvbuff_t *tvb, int offset,
|
|
guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
proto_tree *field_tree;
|
|
guint8 operation;
|
|
|
|
operation = tvb_get_guint8(tvb, offset + 2);
|
|
field_tree = proto_tree_add_subtree_format(tree, tvb, offset, length,
|
|
*optp->subtree_index, NULL, "%s: %s", optp->name,
|
|
val_to_str_const(operation, callback_op_vals, "Unknown"));
|
|
dissect_lcp_opt_type_len(tvb, offset, field_tree, optp->name);
|
|
proto_tree_add_item(field_tree, hf_lcp_opt_operation, tvb, offset + 2, 1,
|
|
ENC_NA);
|
|
|
|
if (length > 3) {
|
|
proto_tree_add_item(field_tree, hf_lcp_opt_message, tvb, offset + 3,
|
|
length - 3, ENC_NA);
|
|
}
|
|
}
|
|
|
|
/* http://tools.ietf.org/html/rfc1990#section-5.1.1 */
|
|
static void
|
|
dissect_lcp_multilink_mrru_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo _U_, proto_tree *tree,
|
|
void *data _U_)
|
|
{
|
|
proto_tree *field_tree;
|
|
|
|
field_tree = proto_tree_add_subtree_format(tree, tvb, offset, length,
|
|
*optp->subtree_index, NULL, "%s: %u", optp->name,
|
|
tvb_get_ntohs(tvb, offset + 2));
|
|
dissect_lcp_opt_type_len(tvb, offset, field_tree, optp->name);
|
|
proto_tree_add_item(field_tree, hf_lcp_opt_mrru, tvb, offset + 2, 2,
|
|
ENC_BIG_ENDIAN);
|
|
}
|
|
|
|
#define CLASS_NULL 0
|
|
#define CLASS_LOCAL 1
|
|
#define CLASS_IP 2
|
|
#define CLASS_IEEE_802_1 3
|
|
#define CLASS_PPP_MAGIC_NUMBER 4
|
|
#define CLASS_PSDN_DIRECTORY_NUMBER 5
|
|
|
|
static const value_string multilink_ep_disc_class_vals[] = {
|
|
{CLASS_NULL, "Null"},
|
|
{CLASS_LOCAL, "Locally assigned address"},
|
|
{CLASS_IP, "Internet Protocol (IP) address"},
|
|
{CLASS_IEEE_802_1, "IEEE 802.1 globally assigned MAC address"},
|
|
{CLASS_PPP_MAGIC_NUMBER, "PPP magic-number block"},
|
|
{CLASS_PSDN_DIRECTORY_NUMBER, "Public switched network directory number"},
|
|
{0, NULL}
|
|
};
|
|
|
|
static void
|
|
dissect_lcp_multilink_ep_disc_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo _U_, proto_tree *tree,
|
|
void *data _U_)
|
|
{
|
|
proto_tree *field_tree;
|
|
proto_tree *magic_tree;
|
|
proto_item *tm;
|
|
guint8 ep_disc_class;
|
|
|
|
ep_disc_class = tvb_get_guint8(tvb, offset + 2);
|
|
field_tree = proto_tree_add_subtree_format(tree, tvb, offset, length,
|
|
*optp->subtree_index, NULL, "%s: Class: %s",
|
|
optp->name, val_to_str_const(ep_disc_class,
|
|
multilink_ep_disc_class_vals, "Unknown"));
|
|
dissect_lcp_opt_type_len(tvb, offset, field_tree, optp->name);
|
|
proto_tree_add_item(field_tree, hf_lcp_opt_ep_disc_class, tvb, offset + 2,
|
|
1, ENC_NA);
|
|
|
|
if (length <= 3)
|
|
return;
|
|
|
|
length -= 3;
|
|
offset += 3;
|
|
switch (ep_disc_class) {
|
|
case CLASS_NULL:
|
|
break;
|
|
|
|
case CLASS_LOCAL:
|
|
proto_tree_add_item(field_tree, hf_lcp_opt_data, tvb, offset,
|
|
length <= 20 ? length : 20, ENC_NA);
|
|
break;
|
|
|
|
case CLASS_IP:
|
|
if (length >= 4) {
|
|
proto_tree_add_item(field_tree, hf_lcp_opt_ip_address, tvb, offset,
|
|
4, ENC_BIG_ENDIAN);
|
|
} else {
|
|
proto_tree_add_item(field_tree, hf_lcp_opt_data, tvb, offset,
|
|
length, ENC_NA);
|
|
}
|
|
break;
|
|
|
|
case CLASS_IEEE_802_1:
|
|
if (length >= 6) {
|
|
proto_tree_add_item(field_tree, hf_lcp_opt_802_1_address, tvb,
|
|
offset, 6, ENC_NA);
|
|
} else {
|
|
proto_tree_add_item(field_tree, hf_lcp_opt_data, tvb, offset,
|
|
length, ENC_NA);
|
|
}
|
|
break;
|
|
|
|
case CLASS_PPP_MAGIC_NUMBER:
|
|
if (length % 4) {
|
|
proto_tree_add_item(field_tree, hf_lcp_opt_data, tvb, offset,
|
|
length, ENC_NA);
|
|
} else {
|
|
tm = proto_tree_add_item(field_tree, hf_lcp_opt_magic_block, tvb,
|
|
offset, length <= 20 ? length : 20, ENC_NA);
|
|
magic_tree = proto_item_add_subtree(tm, ett_lcp_magic_block);
|
|
for ( ; length >= 4; length -= 4, offset += 4) {
|
|
proto_tree_add_item(magic_tree, hf_lcp_opt_magic_number, tvb,
|
|
offset, 4, ENC_BIG_ENDIAN);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case CLASS_PSDN_DIRECTORY_NUMBER:
|
|
proto_tree_add_item(field_tree, hf_lcp_opt_psndn, tvb, offset,
|
|
length > 15 ? 15 : length, ENC_NA);
|
|
break;
|
|
|
|
default:
|
|
proto_tree_add_item(field_tree, hf_lcp_opt_data, tvb, offset, length,
|
|
ENC_NA);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static const value_string dce_id_mode_vals[] = {
|
|
{1, "Mode-1 (No Additional Negotiation)"},
|
|
{2, "Mode-2 (Full PPP Negotiation and State Machine)"},
|
|
{0, NULL}
|
|
};
|
|
|
|
static void
|
|
dissect_lcp_dce_identifier_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
proto_tree *field_tree;
|
|
guint8 mode;
|
|
|
|
mode = tvb_get_guint8(tvb, offset + 2);
|
|
field_tree = proto_tree_add_subtree_format(tree, tvb, offset, length,
|
|
*optp->subtree_index, NULL, "%s: %s", optp->name,
|
|
val_to_str_const(mode, dce_id_mode_vals, "Unknown"));
|
|
dissect_lcp_opt_type_len(tvb, offset, field_tree, optp->name);
|
|
proto_tree_add_item(field_tree, hf_lcp_opt_mode, tvb, offset + 2, 1,
|
|
ENC_NA);
|
|
}
|
|
|
|
static void
|
|
dissect_lcp_multilink_pp_opt(const ip_tcp_opt *optp, tvbuff_t *tvb, int offset,
|
|
guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
proto_tree *field_tree;
|
|
|
|
field_tree = proto_tree_add_subtree(tree, tvb, offset, length, *optp->subtree_index, NULL, optp->name);
|
|
dissect_lcp_opt_type_len(tvb, offset, field_tree, optp->name);
|
|
proto_tree_add_item(field_tree, hf_lcp_opt_unused, tvb, offset + 2, 2,
|
|
ENC_NA);
|
|
}
|
|
|
|
static void
|
|
dissect_lcp_bacp_link_discriminator_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
proto_tree *field_tree;
|
|
|
|
field_tree = proto_tree_add_subtree_format(tree, tvb, offset, length,
|
|
*optp->subtree_index, NULL, "%s: %u (0x%04x)",
|
|
optp->name, tvb_get_ntohs(tvb, offset + 2),
|
|
tvb_get_ntohs(tvb, offset + 2));
|
|
dissect_lcp_opt_type_len(tvb, offset, field_tree, optp->name);
|
|
proto_tree_add_item(field_tree, hf_lcp_opt_link_discrim, tvb, offset + 2,
|
|
2, ENC_BIG_ENDIAN);
|
|
}
|
|
|
|
/* Assuming it's this one:
|
|
* http://tools.ietf.org/html/draft-ietf-pppext-link-negot-00
|
|
*/
|
|
static void
|
|
dissect_lcp_auth_opt(const ip_tcp_opt *optp, tvbuff_t *tvb, int offset,
|
|
guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
proto_tree *field_tree;
|
|
guint8 id_len;
|
|
|
|
field_tree = proto_tree_add_subtree(tree, tvb, offset, length, *optp->subtree_index, NULL, optp->name);
|
|
dissect_lcp_opt_type_len(tvb, offset, field_tree, optp->name);
|
|
proto_tree_add_item(field_tree, hf_lcp_opt_id, tvb, offset + 2, 1, ENC_NA);
|
|
|
|
if (length > 3) {
|
|
id_len = tvb_get_guint8(tvb, offset + 2);
|
|
length -= 3;
|
|
offset += 3;
|
|
if (id_len < length) {
|
|
length -= id_len;
|
|
offset += id_len;
|
|
proto_tree_add_item(field_tree, hf_lcp_opt_data, tvb, offset,
|
|
length, ENC_NA);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Asuming it's this one:
|
|
* http://tools.ietf.org/html/draft-ietf-pppext-cobs-00
|
|
*/
|
|
static void
|
|
dissect_lcp_cobs_opt(const ip_tcp_opt *optp, tvbuff_t *tvb, int offset,
|
|
guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
proto_tree *field_tree;
|
|
static const int *cobs_flags_fields[] = {
|
|
&hf_lcp_opt_cobs_flags_res,
|
|
&hf_lcp_opt_cobs_flags_pre,
|
|
&hf_lcp_opt_cobs_flags_zxe,
|
|
NULL
|
|
};
|
|
|
|
field_tree = proto_tree_add_subtree(tree, tvb, offset, length, *optp->subtree_index, NULL, optp->name);
|
|
dissect_lcp_opt_type_len(tvb, offset, field_tree, optp->name);
|
|
proto_tree_add_bitmask(field_tree, tvb, offset + 2, hf_lcp_opt_cobs_flags,
|
|
*optp->subtree_index, cobs_flags_fields, ENC_NA);
|
|
}
|
|
|
|
static void
|
|
dissect_lcp_prefix_elision_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
proto_tree *field_tree;
|
|
guint8 pre_len;
|
|
|
|
field_tree = proto_tree_add_subtree(tree, tvb, offset, length, *optp->subtree_index, NULL, optp->name);
|
|
dissect_lcp_opt_type_len(tvb, offset, field_tree, optp->name);
|
|
|
|
if (length > 2) {
|
|
length -= 2;
|
|
offset += 2;
|
|
while (length >= 2) {
|
|
proto_tree_add_item(field_tree, hf_lcp_opt_class, tvb, offset, 1,
|
|
ENC_NA);
|
|
pre_len = tvb_get_guint8(tvb, offset + 1);
|
|
if ((guint)(pre_len + 2) <= length) {
|
|
proto_tree_add_item(field_tree, hf_lcp_opt_prefix, tvb,
|
|
offset + 2, 1, ENC_NA);
|
|
length -= (2 + pre_len);
|
|
} else {
|
|
/* Prefix length doesn't make sense, so bail out */
|
|
length = 0;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static const value_string ml_hdr_fmt_code_vals[] = {
|
|
{2, "Long sequence number fragment format with classes"},
|
|
{6, "Short sequence number fragment format with classes"},
|
|
{0, NULL}
|
|
};
|
|
|
|
static void
|
|
dissect_lcp_multilink_hdr_fmt_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
proto_tree *field_tree;
|
|
|
|
field_tree = proto_tree_add_subtree(tree, tvb, offset, length, *optp->subtree_index, NULL, optp->name);
|
|
dissect_lcp_opt_type_len(tvb, offset, field_tree, optp->name);
|
|
proto_tree_add_item(field_tree, hf_lcp_opt_code, tvb, offset + 2, 1,
|
|
ENC_NA);
|
|
proto_tree_add_item(field_tree, hf_lcp_opt_max_susp_classes, tvb,
|
|
offset + 3, 1, ENC_NA);
|
|
}
|
|
|
|
|
|
/* Character sets from http://www.iana.org/assignments/character-sets. */
|
|
static const value_string charset_vals[] = {
|
|
{3, "ANSI_X3.4-1968"},
|
|
{4, "ISO_8859-1:1987"},
|
|
{5, "ISO_8859-2:1987"},
|
|
{6, "ISO_8859-3:1988"},
|
|
{7, "ISO_8859-4:1988"},
|
|
{8, "ISO_8859-5:1988"},
|
|
{9, "ISO_8859-6:1987"},
|
|
{10, "ISO_8859-7:1987"},
|
|
{11, "ISO_8859-8:1988"},
|
|
{12, "ISO_8859-9:1989"},
|
|
{13, "ISO-8859-10"},
|
|
{14, "ISO_6937-2-add"},
|
|
{15, "JIS_X0201"},
|
|
{16, "JIS_Encoding"},
|
|
{17, "Shift_JIS"},
|
|
{18, "Extended_UNIX_Code_Packed_Format_for_Japanese"},
|
|
{19, "Extended_UNIX_Code_Fixed_Width_for_Japanese"},
|
|
{20, "BS_4730"},
|
|
{21, "SEN_850200_C"},
|
|
{22, "IT"},
|
|
{23, "ES"},
|
|
{24, "DIN_66003"},
|
|
{25, "NS_4551-1"},
|
|
{26, "NF_Z_62-010"},
|
|
{27, "ISO-10646-UTF-1"},
|
|
{28, "ISO_646.basic:1983"},
|
|
{29, "INVARIANT"},
|
|
{30, "ISO_646.irv:1983"},
|
|
{31, "NATS-SEFI"},
|
|
{32, "NATS-SEFI-ADD"},
|
|
{33, "NATS-DANO"},
|
|
{34, "NATS-DANO-ADD"},
|
|
{35, "SEN_850200_B"},
|
|
{36, "KS_C_5601-1987"},
|
|
{37, "ISO-2022-KR"},
|
|
{38, "EUC-KR"},
|
|
{39, "ISO-2022-JP"},
|
|
{40, "ISO-2022-JP-2"},
|
|
{41, "JIS_C6220-1969-jp"},
|
|
{42, "JIS_C6220-1969-ro"},
|
|
{43, "PT"},
|
|
{44, "greek7-old"},
|
|
{45, "latin-greek"},
|
|
{46, "NF_Z_62-010_(1973)"},
|
|
{47, "Latin-greek-1"},
|
|
{48, "ISO_5427"},
|
|
{49, "JIS_C6226-1978"},
|
|
{50, "BS_viewdata"},
|
|
{51, "INIS"},
|
|
{52, "INIS-8"},
|
|
{53, "INIS-cyrillic"},
|
|
{54, "ISO_5427:1981"},
|
|
{55, "ISO_5428:1980"},
|
|
{56, "GB_1988-80"},
|
|
{57, "GB_2312-80"},
|
|
{58, "NS_4551-2"},
|
|
{59, "videotex-suppl"},
|
|
{60, "PT2"},
|
|
{61, "ES2"},
|
|
{62, "MSZ_7795.3"},
|
|
{63, "JIS_C6226-1983"},
|
|
{64, "greek7"},
|
|
{65, "ASMO_449"},
|
|
{66, "iso-ir-90"},
|
|
{67, "JIS_C6229-1984-a"},
|
|
{68, "JIS_C6229-1984-b"},
|
|
{69, "JIS_C6229-1984-b-add"},
|
|
{70, "JIS_C6229-1984-hand"},
|
|
{71, "JIS_C6229-1984-hand-add"},
|
|
{72, "JIS_C6229-1984-kana"},
|
|
{73, "ISO_2033-1983"},
|
|
{74, "ANSI_X3.110-1983"},
|
|
{75, "T.61-7bit"},
|
|
{76, "T.61-8bit"},
|
|
{77, "ECMA-cyrillic"},
|
|
{78, "CSA_Z243.4-1985-1"},
|
|
{79, "CSA_Z243.4-1985-2"},
|
|
{80, "CSA_Z243.4-1985-gr"},
|
|
{81, "ISO_8859-6-E"},
|
|
{82, "ISO_8859-6-I"},
|
|
{83, "T.101-G2"},
|
|
{84, "ISO_8859-8-E"},
|
|
{85, "ISO_8859-8-I"},
|
|
{86, "CSN_369103"},
|
|
{87, "JUS_I.B1.002"},
|
|
{88, "IEC_P27-1"},
|
|
{89, "JUS_I.B1.003-serb"},
|
|
{90, "JUS_I.B1.003-mac"},
|
|
{91, "greek-ccitt"},
|
|
{92, "NC_NC00-10:81"},
|
|
{93, "ISO_6937-2-25"},
|
|
{94, "GOST_19768-74"},
|
|
{95, "ISO_8859-supp"},
|
|
{96, "ISO_10367-box"},
|
|
{97, "latin-lap"},
|
|
{98, "JIS_X0212-1990"},
|
|
{99, "DS_2089"},
|
|
{100, "us-dk"},
|
|
{101, "dk-us"},
|
|
{102, "KSC5636"},
|
|
{103, "UNICODE-1-1-UTF-7"},
|
|
{104, "ISO-2022-CN"},
|
|
{105, "ISO-2022-CN-EXT"},
|
|
{106, "UTF-8"},
|
|
{109, "ISO-8859-13"},
|
|
{110, "ISO-8859-14"},
|
|
{111, "ISO-8859-15"},
|
|
{112, "ISO-8859-16"},
|
|
{113, "GBK"},
|
|
{114, "GB18030"},
|
|
{115, "OSD_EBCDIC_DF04_15"},
|
|
{116, "OSD_EBCDIC_DF03_IRV"},
|
|
{117, "OSD_EBCDIC_DF04_1"},
|
|
{118, "ISO-11548-1"},
|
|
{119, "KZ-1048"},
|
|
{1000, "ISO-10646-UCS-2"},
|
|
{1001, "ISO-10646-UCS-4"},
|
|
{1002, "ISO-10646-UCS-Basic"},
|
|
{1003, "ISO-10646-Unicode-Latin1"},
|
|
{1004, "ISO-10646-J-1"},
|
|
{1005, "ISO-Unicode-IBM-1261"},
|
|
{1006, "ISO-Unicode-IBM-1268"},
|
|
{1007, "ISO-Unicode-IBM-1276"},
|
|
{1008, "ISO-Unicode-IBM-1264"},
|
|
{1009, "ISO-Unicode-IBM-1265"},
|
|
{1010, "UNICODE-1-1"},
|
|
{1011, "SCSU"},
|
|
{1012, "UTF-7"},
|
|
{1013, "UTF-16BE"},
|
|
{1014, "UTF-16LE"},
|
|
{1015, "UTF-16"},
|
|
{1016, "CESU-8"},
|
|
{1017, "UTF-32"},
|
|
{1018, "UTF-32BE"},
|
|
{1019, "UTF-32LE"},
|
|
{1020, "BOCU-1"},
|
|
{2000, "ISO-8859-1-Windows-3.0-Latin-1"},
|
|
{2001, "ISO-8859-1-Windows-3.1-Latin-1"},
|
|
{2002, "ISO-8859-2-Windows-Latin-2"},
|
|
{2003, "ISO-8859-9-Windows-Latin-5"},
|
|
{2004, "hp-roman8"},
|
|
{2005, "Adobe-Standard-Encoding"},
|
|
{2006, "Ventura-US"},
|
|
{2007, "Ventura-International"},
|
|
{2008, "DEC-MCS"},
|
|
{2009, "IBM850"},
|
|
{2010, "IBM852"},
|
|
{2011, "IBM437"},
|
|
{2012, "PC8-Danish-Norwegian"},
|
|
{2013, "IBM862"},
|
|
{2014, "PC8-Turkish"},
|
|
{2015, "IBM-Symbols"},
|
|
{2016, "IBM-Thai"},
|
|
{2017, "HP-Legal"},
|
|
{2018, "HP-Pi-font"},
|
|
{2019, "HP-Math8"},
|
|
{2020, "Adobe-Symbol-Encoding"},
|
|
{2021, "HP-DeskTop"},
|
|
{2022, "Ventura-Math"},
|
|
{2023, "Microsoft-Publishing"},
|
|
{2024, "Windows-31J"},
|
|
{2025, "GB2312"},
|
|
{2026, "Big5"},
|
|
{2027, "macintosh"},
|
|
{2028, "IBM037"},
|
|
{2029, "IBM038"},
|
|
{2030, "IBM273"},
|
|
{2031, "IBM274"},
|
|
{2032, "IBM275"},
|
|
{2033, "IBM277"},
|
|
{2034, "IBM278"},
|
|
{2035, "IBM280"},
|
|
{2036, "IBM281"},
|
|
{2037, "IBM284"},
|
|
{2038, "IBM285"},
|
|
{2039, "IBM290"},
|
|
{2040, "IBM297"},
|
|
{2041, "IBM420"},
|
|
{2042, "IBM423"},
|
|
{2043, "IBM424"},
|
|
{2044, "IBM500"},
|
|
{2045, "IBM851"},
|
|
{2046, "IBM855"},
|
|
{2047, "IBM857"},
|
|
{2048, "IBM860"},
|
|
{2049, "IBM861"},
|
|
{2050, "IBM863"},
|
|
{2051, "IBM864"},
|
|
{2052, "IBM865"},
|
|
{2053, "IBM868"},
|
|
{2054, "IBM869"},
|
|
{2055, "IBM870"},
|
|
{2056, "IBM871"},
|
|
{2057, "IBM880"},
|
|
{2058, "IBM891"},
|
|
{2059, "IBM903"},
|
|
{2060, "IBM904"},
|
|
{2061, "IBM905"},
|
|
{2062, "IBM918"},
|
|
{2063, "IBM1026"},
|
|
{2064, "EBCDIC-AT-DE"},
|
|
{2065, "EBCDIC-AT-DE-A"},
|
|
{2066, "EBCDIC-CA-FR"},
|
|
{2067, "EBCDIC-DK-NO"},
|
|
{2068, "EBCDIC-DK-NO-A"},
|
|
{2069, "EBCDIC-FI-SE"},
|
|
{2070, "EBCDIC-FI-SE-A"},
|
|
{2071, "EBCDIC-FR"},
|
|
{2072, "EBCDIC-IT"},
|
|
{2073, "EBCDIC-PT"},
|
|
{2074, "EBCDIC-ES"},
|
|
{2075, "EBCDIC-ES-A"},
|
|
{2076, "EBCDIC-ES-S"},
|
|
{2077, "EBCDIC-UK"},
|
|
{2078, "EBCDIC-US"},
|
|
{2079, "UNKNOWN-8BIT"},
|
|
{2080, "MNEMONIC"},
|
|
{2081, "MNEM"},
|
|
{2082, "VISCII"},
|
|
{2083, "VIQR"},
|
|
{2084, "KOI8-R"},
|
|
{2085, "HZ-GB-2312"},
|
|
{2086, "IBM866"},
|
|
{2087, "IBM775"},
|
|
{2088, "KOI8-U"},
|
|
{2089, "IBM00858"},
|
|
{2090, "IBM00924"},
|
|
{2091, "IBM01140"},
|
|
{2092, "IBM01141"},
|
|
{2093, "IBM01142"},
|
|
{2094, "IBM01143"},
|
|
{2095, "IBM01144"},
|
|
{2096, "IBM01145"},
|
|
{2097, "IBM01146"},
|
|
{2098, "IBM01147"},
|
|
{2099, "IBM01148"},
|
|
{2100, "IBM01149"},
|
|
{2101, "Big5-HKSCS"},
|
|
{2102, "IBM1047"},
|
|
{2103, "PTCP154"},
|
|
{2104, "Amiga-1251"},
|
|
{2105, "KOI7-switched"},
|
|
{2106, "BRF"},
|
|
{2107, "TSCII"},
|
|
{2108, "CP51932"},
|
|
{2109, "windows-874"},
|
|
{2250, "windows-1250"},
|
|
{2251, "windows-1251"},
|
|
{2252, "windows-1252"},
|
|
{2253, "windows-1253"},
|
|
{2254, "windows-1254"},
|
|
{2255, "windows-1255"},
|
|
{2256, "windows-1256"},
|
|
{2257, "windows-1257"},
|
|
{2258, "windows-1258"},
|
|
{2259, "TIS-620"},
|
|
{2260, "CP50220"},
|
|
{0, NULL}
|
|
};
|
|
value_string_ext charset_vals_ext = VALUE_STRING_EXT_INIT(charset_vals);
|
|
|
|
static void
|
|
dissect_lcp_internationalization_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
proto_tree *field_tree;
|
|
|
|
field_tree = proto_tree_add_subtree(tree, tvb, offset, length, *optp->subtree_index, NULL, optp->name);
|
|
dissect_lcp_opt_type_len(tvb, offset, field_tree, optp->name);
|
|
proto_tree_add_item(field_tree, hf_lcp_opt_MIBenum, tvb, offset + 2, 4,
|
|
ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(field_tree, hf_lcp_opt_language_tag, tvb, offset + 6,
|
|
length - 6, ENC_ASCII|ENC_NA);
|
|
}
|
|
|
|
static void
|
|
dissect_ipcp_opt_type_len(tvbuff_t *tvb, int offset, proto_tree *tree,
|
|
const char *name)
|
|
{
|
|
guint8 type;
|
|
|
|
type = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_uint_format_value(tree, hf_ipcp_opt_type, tvb, offset, 1,
|
|
type, "%s (%u)", name, type);
|
|
proto_tree_add_item(tree, hf_ipcp_opt_length, tvb, offset + 1, 1, ENC_NA);
|
|
}
|
|
|
|
/* http://tools.ietf.org/html/rfc1172#section-5.1 */
|
|
static void
|
|
dissect_ipcp_addrs_opt(const ip_tcp_opt *optp, tvbuff_t *tvb, int offset,
|
|
guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
proto_tree *field_tree;
|
|
|
|
field_tree = proto_tree_add_subtree_format(tree, tvb, offset, length,
|
|
*optp->subtree_index, NULL, "%s: Src: %s, Dst: %s",
|
|
optp->name, tvb_ip_to_str(tvb, offset + 2),
|
|
tvb_ip_to_str(tvb, offset + 6));
|
|
dissect_ipcp_opt_type_len(tvb, offset, field_tree, optp->name);
|
|
proto_tree_add_item(field_tree, hf_ipcp_opt_src_address, tvb, offset + 2,
|
|
4, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(field_tree, hf_ipcp_opt_dst_address, tvb, offset + 6,
|
|
4, ENC_BIG_ENDIAN);
|
|
}
|
|
|
|
static const true_false_string tfs_comp_slot_id = {
|
|
"The slot identifier may be compressed",
|
|
"The slot identifier must not be compressed"
|
|
};
|
|
|
|
/* http://tools.ietf.org/html/rfc1332#section-3.2 */
|
|
static void
|
|
dissect_ipcp_compress_opt(const ip_tcp_opt *optp, tvbuff_t *tvb, int offset,
|
|
guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
proto_tree *field_tree;
|
|
guint16 us;
|
|
|
|
field_tree = proto_tree_add_subtree_format(tree, tvb, offset, length,
|
|
*optp->subtree_index, NULL, "%s: %s", optp->name,
|
|
val_to_str_const(tvb_get_ntohs(tvb, offset + 2),
|
|
ipcp_compress_proto_vals, "Unknown"));
|
|
dissect_ipcp_opt_type_len(tvb, offset, field_tree, optp->name);
|
|
proto_tree_add_item(field_tree, hf_ipcp_opt_compress_proto, tvb,
|
|
offset + 2, 2, ENC_BIG_ENDIAN);
|
|
|
|
us = tvb_get_ntohs(tvb, offset + 2);
|
|
switch (us) {
|
|
case IPCP_ROHC:
|
|
proto_tree_add_item(field_tree, hf_ipcp_opt_max_cid, tvb, offset + 4,
|
|
2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(field_tree, hf_ipcp_opt_mrru, tvb, offset + 6, 2,
|
|
ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(field_tree, hf_ipcp_opt_max_header, tvb,
|
|
offset + 8, 2, ENC_BIG_ENDIAN);
|
|
|
|
if (length > 10) {
|
|
proto_tree *subopt_tree;
|
|
|
|
/* suboptions */
|
|
offset += 10;
|
|
length -= 10;
|
|
subopt_tree = proto_tree_add_subtree_format(field_tree, tvb, offset, length,
|
|
*optp->subtree_index, NULL, "Suboptions: (%u byte%s)", length, plurality(length, "", "s"));
|
|
dissect_ip_tcp_options(tvb, offset, length, ipcp_rohc_subopts,
|
|
N_IPCP_ROHC_SUBOPTS, -1, &PPP_OPT_TYPES, &ei_ppp_opt_len_invalid, pinfo, subopt_tree, NULL, NULL);
|
|
}
|
|
break;
|
|
|
|
case IPCP_COMPRESS_VJ_1172:
|
|
case IPCP_COMPRESS_VJ:
|
|
proto_tree_add_item(field_tree, hf_ipcp_opt_max_slot_id, tvb,
|
|
offset + 4, 1, ENC_NA);
|
|
proto_tree_add_item(field_tree, hf_ipcp_opt_comp_slot_id, tvb,
|
|
offset + 5, 1, ENC_NA);
|
|
break;
|
|
|
|
case IPCP_COMPRESS_IPHC:
|
|
proto_tree_add_item(field_tree, hf_ipcp_opt_tcp_space, tvb, offset + 4,
|
|
2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(field_tree, hf_ipcp_opt_non_tcp_space, tvb,
|
|
offset + 6, 2, ENC_BIG_ENDIAN);
|
|
us = tvb_get_ntohs(tvb, offset + 8);
|
|
proto_tree_add_uint_format_value(field_tree, hf_ipcp_opt_f_max_period,
|
|
tvb, offset + 8, 2, us, "%u%s", us,
|
|
(us == 0) ? " (infinity)" : "");
|
|
us = tvb_get_ntohs(tvb, offset + 10);
|
|
proto_tree_add_uint_format_value(field_tree, hf_ipcp_opt_f_max_time,
|
|
tvb, offset + 10, 2, us, "%u%s", us,
|
|
(us == 0) ? " (infinity)" : "");
|
|
proto_tree_add_item(field_tree, hf_ipcp_opt_max_header, tvb,
|
|
offset + 12, 2, ENC_BIG_ENDIAN);
|
|
|
|
if ( length > 14 ) {
|
|
proto_tree *subopt_tree;
|
|
|
|
/* suboptions */
|
|
offset += 14;
|
|
length -= 14;
|
|
subopt_tree = proto_tree_add_subtree_format(field_tree, tvb, offset, length,
|
|
*optp->subtree_index, NULL, "Suboptions: (%u byte%s)", length, plurality(length, "", "s"));
|
|
dissect_ip_tcp_options(tvb, offset, length, ipcp_iphc_subopts,
|
|
N_IPCP_IPHC_SUBOPTS, -1, &PPP_OPT_TYPES, &ei_ppp_opt_len_invalid, pinfo, subopt_tree, NULL, NULL);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
if (length > 4) {
|
|
proto_tree_add_item(field_tree, hf_ipcp_data, tvb, offset + 4,
|
|
length - 4, ENC_NA);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_ipcp_opt_rohc_type_len(tvbuff_t *tvb, int offset, proto_tree *tree,
|
|
const char *name)
|
|
{
|
|
guint8 type;
|
|
|
|
type = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_uint_format_value(tree, hf_ipcp_opt_rohc_type, tvb, offset,
|
|
1, type, "%s (%u)", name, type);
|
|
proto_tree_add_item(tree, hf_ipcp_opt_rohc_length, tvb, offset + 1, 1,
|
|
ENC_NA);
|
|
}
|
|
|
|
static void
|
|
dissect_ipcp_rohc_profiles_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
proto_tree *field_tree;
|
|
|
|
field_tree = proto_tree_add_subtree(tree, tvb, offset, length, *optp->subtree_index, NULL, optp->name);
|
|
dissect_ipcp_opt_rohc_type_len(tvb, offset, field_tree, optp->name);
|
|
if (length <= 2)
|
|
return;
|
|
|
|
for (offset += 2, length -= 2; length >= 2; length -= 2, offset += 2) {
|
|
proto_tree_add_item(field_tree, hf_ipcp_opt_rohc_profile, tvb,
|
|
offset, 2, ENC_BIG_ENDIAN);
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_ipcp_opt_iphc_type_len(tvbuff_t *tvb, int offset, proto_tree *tree,
|
|
const char *name)
|
|
{
|
|
guint8 type;
|
|
|
|
type = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_uint_format_value(tree, hf_ipcp_opt_iphc_type, tvb, offset,
|
|
1, type, "%s (%u)", name, type);
|
|
proto_tree_add_item(tree, hf_ipcp_opt_iphc_length, tvb, offset + 1, 1,
|
|
ENC_NA);
|
|
}
|
|
|
|
static void
|
|
dissect_ipcp_iphc_simple_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
proto_tree *field_tree;
|
|
|
|
field_tree = proto_tree_add_subtree(tree, tvb, offset, length, *optp->subtree_index, NULL, optp->name);
|
|
dissect_ipcp_opt_iphc_type_len(tvb, offset, field_tree, optp->name);
|
|
}
|
|
|
|
static void
|
|
dissect_ipcp_iphc_neghdrcomp_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
proto_tree *field_tree;
|
|
|
|
field_tree = proto_tree_add_subtree(tree, tvb, offset, length, *optp->subtree_index, NULL, optp->name);
|
|
dissect_ipcp_opt_iphc_type_len(tvb, offset, field_tree, optp->name);
|
|
proto_tree_add_item(field_tree, hf_ipcp_opt_iphc_param, tvb, offset + 2, 1,
|
|
ENC_NA);
|
|
}
|
|
|
|
static void
|
|
dissect_ipcp_addr_opt(const ip_tcp_opt *optp, tvbuff_t *tvb, int offset,
|
|
guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
proto_tree *field_tree;
|
|
|
|
field_tree = proto_tree_add_subtree_format(tree, tvb, offset, length,
|
|
*optp->subtree_index, NULL, "%s: %s", optp->name,
|
|
tvb_ip_to_str(tvb, offset + 2));
|
|
dissect_ipcp_opt_type_len(tvb, offset, field_tree, optp->name);
|
|
proto_tree_add_item(field_tree, hf_ipcp_opt_ip_address, tvb, offset + 2, 4,
|
|
ENC_BIG_ENDIAN);
|
|
}
|
|
|
|
static void
|
|
dissect_ipcp_mobileipv4_opt(const ip_tcp_opt *optp, tvbuff_t *tvb, int offset,
|
|
guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
proto_tree *field_tree;
|
|
|
|
field_tree = proto_tree_add_subtree_format(tree, tvb, offset, length,
|
|
*optp->subtree_index, NULL, "%s: %s", optp->name,
|
|
tvb_ip_to_str(tvb, offset + 2));
|
|
dissect_ipcp_opt_type_len(tvb, offset, field_tree, optp->name);
|
|
proto_tree_add_item(field_tree, hf_ipcp_opt_mobilenodehomeaddr, tvb,
|
|
offset + 2, 4, ENC_BIG_ENDIAN);
|
|
}
|
|
|
|
static void
|
|
dissect_ipcp_pri_dns_opt(const ip_tcp_opt *optp, tvbuff_t *tvb, int offset,
|
|
guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
proto_tree *field_tree;
|
|
|
|
field_tree = proto_tree_add_subtree_format(tree, tvb, offset, length,
|
|
*optp->subtree_index, NULL, "%s: %s", optp->name,
|
|
tvb_ip_to_str(tvb, offset + 2));
|
|
dissect_ipcp_opt_type_len(tvb, offset, field_tree, optp->name);
|
|
proto_tree_add_item(field_tree, hf_ipcp_opt_pri_dns_address, tvb,
|
|
offset + 2, 4, ENC_BIG_ENDIAN);
|
|
}
|
|
|
|
static void
|
|
dissect_ipcp_pri_nbns_opt(const ip_tcp_opt *optp, tvbuff_t *tvb, int offset,
|
|
guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
proto_tree *field_tree;
|
|
|
|
field_tree = proto_tree_add_subtree_format(tree, tvb, offset, length,
|
|
*optp->subtree_index, NULL, "%s: %s", optp->name,
|
|
tvb_ip_to_str(tvb, offset + 2));
|
|
dissect_ipcp_opt_type_len(tvb, offset, field_tree, optp->name);
|
|
proto_tree_add_item(field_tree, hf_ipcp_opt_pri_nbns_address, tvb,
|
|
offset + 2, 4, ENC_BIG_ENDIAN);
|
|
}
|
|
|
|
static void
|
|
dissect_ipcp_sec_dns_opt(const ip_tcp_opt *optp, tvbuff_t *tvb, int offset,
|
|
guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
proto_tree *field_tree;
|
|
|
|
field_tree = proto_tree_add_subtree_format(tree, tvb, offset, length,
|
|
*optp->subtree_index, NULL, "%s: %s", optp->name,
|
|
tvb_ip_to_str(tvb, offset + 2));
|
|
dissect_ipcp_opt_type_len(tvb, offset, field_tree, optp->name);
|
|
proto_tree_add_item(field_tree, hf_ipcp_opt_sec_dns_address, tvb,
|
|
offset + 2, 4, ENC_BIG_ENDIAN);
|
|
}
|
|
|
|
static void
|
|
dissect_ipcp_sec_nbns_opt(const ip_tcp_opt *optp, tvbuff_t *tvb, int offset,
|
|
guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
proto_tree *field_tree;
|
|
|
|
field_tree = proto_tree_add_subtree_format(tree, tvb, offset, length,
|
|
*optp->subtree_index, NULL, "%s: %s", optp->name,
|
|
tvb_ip_to_str(tvb, offset + 2));
|
|
dissect_ipcp_opt_type_len(tvb, offset, field_tree, optp->name);
|
|
proto_tree_add_item(field_tree, hf_ipcp_opt_sec_nbns_address, tvb,
|
|
offset + 2, 4, ENC_BIG_ENDIAN);
|
|
}
|
|
|
|
|
|
static void
|
|
dissect_osinlcp_opt_type_len(tvbuff_t *tvb, int offset, proto_tree *tree,
|
|
const char *name)
|
|
{
|
|
guint8 type;
|
|
|
|
type = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_uint_format_value(tree, hf_osinlcp_opt_type, tvb, offset, 1,
|
|
type, "%s (%u)", name, type);
|
|
proto_tree_add_item(tree, hf_osinlcp_opt_length, tvb, offset + 1, 1,
|
|
ENC_NA);
|
|
}
|
|
|
|
static void
|
|
dissect_osinlcp_align_npdu_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
proto_tree *field_tree;
|
|
|
|
field_tree = proto_tree_add_subtree_format(tree, tvb, offset, length,
|
|
*optp->subtree_index, NULL, "%s: Alignment: %u",
|
|
optp->name, tvb_get_guint8(tvb, offset + 2));
|
|
dissect_osinlcp_opt_type_len(tvb, offset, field_tree, optp->name);
|
|
proto_tree_add_item(field_tree, hf_osinlcp_opt_alignment, tvb, offset + 2,
|
|
1, ENC_NA);
|
|
}
|
|
|
|
static void
|
|
dissect_pppmuxcp_def_pid_opt(const ip_tcp_opt *optp, tvbuff_t *tvb, int offset,
|
|
guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
pppmux_def_prot_id = tvb_get_ntohs(tvb, offset + 2);
|
|
proto_tree_add_text(tree, tvb, offset + 2, length - 2, "%s: %s (0x%02x)",
|
|
optp->name,
|
|
val_to_str_ext_const(pppmux_def_prot_id, &ppp_vals_ext, "Unknown"),
|
|
pppmux_def_prot_id);
|
|
}
|
|
|
|
|
|
static void
|
|
dissect_ccp_opt_type_len(tvbuff_t *tvb, int offset, proto_tree *tree,
|
|
const char *name)
|
|
{
|
|
guint8 type;
|
|
|
|
type = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_uint_format_value(tree, hf_ccp_opt_type, tvb, offset, 1,
|
|
type, "%s (%u)", name, type);
|
|
proto_tree_add_item(tree, hf_ccp_opt_length, tvb, offset + 1, 1, ENC_NA);
|
|
}
|
|
|
|
/* http://tools.ietf.org/html/rfc1962 */
|
|
static void dissect_ccp_oui_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
proto_tree *field_tree;
|
|
proto_item *ti;
|
|
guint32 oui;
|
|
const gchar *manuf;
|
|
|
|
oui = tvb_get_ntoh24(tvb, offset + 2);
|
|
field_tree = proto_tree_add_subtree(tree, tvb, offset, length, *optp->subtree_index, NULL, optp->name);
|
|
dissect_ccp_opt_type_len(tvb, offset, field_tree, optp->name);
|
|
ti = proto_tree_add_uint_format_value(field_tree, hf_ccp_opt_oui, tvb,
|
|
offset + 2, 3, oui, "%02x:%02x:%02x",
|
|
(oui >> 16) & 0xff, (oui >> 8) & 0xff, oui & 0xff);
|
|
manuf = uint_get_manuf_name_if_known(oui);
|
|
if (manuf)
|
|
proto_item_append_text(ti, "(%s)", manuf);
|
|
|
|
proto_tree_add_item(field_tree, hf_ccp_opt_subtype, tvb, offset + 5, 1,
|
|
ENC_NA);
|
|
if (length > 6) {
|
|
proto_tree_add_item(field_tree, hf_ccp_opt_data, tvb, offset + 6,
|
|
length - 6, ENC_NA);
|
|
}
|
|
}
|
|
|
|
/* The following configuration option types are mentioned at
|
|
* http://www.iana.org/assignments/ppp-numbers as referencing RFC1962; however,
|
|
* RFC1962 only mentions Proprietary Compression OUI in section 4.1. These
|
|
* others are therefore being treated as section 4.2 "Other Compression Types",
|
|
* in terms of how they are dissected:
|
|
* 1) Predictor type 1
|
|
* 2) Predictor type 2
|
|
* 3) Puddle Jumper
|
|
* 16) Hewlett-Packard PPC
|
|
* 20) V.42bis compression
|
|
*/
|
|
static void dissect_ccp_other_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
proto_tree *field_tree;
|
|
|
|
field_tree = proto_tree_add_subtree(tree, tvb, offset, length, *optp->subtree_index, NULL, optp->name);
|
|
dissect_ccp_opt_type_len(tvb, offset, field_tree, optp->name);
|
|
|
|
if (length > 2) {
|
|
proto_tree_add_item(field_tree, hf_ccp_opt_data, tvb, offset + 2,
|
|
length - 2, ENC_NA);
|
|
}
|
|
}
|
|
|
|
/* http://tools.ietf.org/html/rfc1974 */
|
|
static void
|
|
dissect_ccp_stac_opt(const ip_tcp_opt *optp, tvbuff_t *tvb, int offset,
|
|
guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
proto_tree *field_tree;
|
|
const char *stac_ascend = "Stac Electronics LZS (Ascend Proprietary version)";
|
|
static const int *check_mode_fields[] = {
|
|
&hf_ccp_opt_cm_reserved,
|
|
&hf_ccp_opt_cm_check_mode,
|
|
NULL
|
|
};
|
|
|
|
if (length == 6) {
|
|
field_tree = proto_tree_add_subtree(tree, tvb, offset, length, *optp->subtree_index, NULL, stac_ascend);
|
|
dissect_ccp_opt_type_len(tvb, offset, field_tree, stac_ascend);
|
|
|
|
/* We don't know how to decode the following 4 octets, since
|
|
there are no public documents that describe their usage. */
|
|
proto_tree_add_item(field_tree, hf_ccp_opt_data, tvb, offset + 2,
|
|
length - 2, ENC_NA);
|
|
} else {
|
|
field_tree = proto_tree_add_subtree(tree, tvb, offset, length, *optp->subtree_index, NULL, optp->name);
|
|
dissect_ccp_opt_type_len(tvb, offset, field_tree, optp->name);
|
|
|
|
proto_tree_add_item(field_tree, hf_ccp_opt_history_count, tvb,
|
|
offset + 2, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_bitmask(field_tree, tvb, offset + 4, hf_ccp_opt_cm,
|
|
ett_ccp_stac_opt_check_mode, check_mode_fields, ENC_NA);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Microsoft Point-To-Point Compression (MPPC) and Encryption (MPPE)
|
|
* supported bits.
|
|
*/
|
|
#define MPPC_SUPPORTED_BITS_C 0x00000001 /* MPPC negotiation */
|
|
#define MPPE_SUPPORTED_BITS_D 0x00000010 /* Obsolete */
|
|
#define MPPE_SUPPORTED_BITS_L 0x00000020 /* 40-bit encryption */
|
|
#define MPPE_SUPPORTED_BITS_S 0x00000040 /* 128-bit encryption */
|
|
#define MPPE_SUPPORTED_BITS_M 0x00000080 /* 56-bit encryption */
|
|
#define MPPE_SUPPORTED_BITS_H 0x01000000 /* stateless mode */
|
|
|
|
static const true_false_string ccp_mppe_h_tfs = {
|
|
"Stateless mode ON",
|
|
"Stateless mode OFF"
|
|
};
|
|
static const true_false_string ccp_mppe_m_tfs = {
|
|
"56-bit encryption ON",
|
|
"56-bit encryption OFF"
|
|
};
|
|
static const true_false_string ccp_mppe_s_tfs = {
|
|
"128-bit encryption ON",
|
|
"128-bit encryption OFF"
|
|
};
|
|
static const true_false_string ccp_mppe_l_tfs = {
|
|
"40-bit encryption ON",
|
|
"40-bit encryption OFF"
|
|
};
|
|
static const true_false_string ccp_mppe_d_tfs = {
|
|
"Obsolete (should NOT be 1)",
|
|
"Obsolete (should ALWAYS be 0)"
|
|
};
|
|
static const true_false_string ccp_mppe_c_tfs = {
|
|
"Desire to negotiate MPPC",
|
|
"No desire to negotiate MPPC"
|
|
};
|
|
|
|
/* http://tools.ietf.org/html/rfc2118,
|
|
* http://tools.ietf.org/html/rfc3078 */
|
|
static void
|
|
dissect_ccp_mppe_opt(const ip_tcp_opt *optp, tvbuff_t *tvb, int offset,
|
|
guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
proto_tree *field_tree;
|
|
static const int *supported_bits_fields[] = {
|
|
&hf_ccp_opt_supported_bits_h,
|
|
&hf_ccp_opt_supported_bits_m,
|
|
&hf_ccp_opt_supported_bits_s,
|
|
&hf_ccp_opt_supported_bits_l,
|
|
&hf_ccp_opt_supported_bits_d,
|
|
&hf_ccp_opt_supported_bits_c,
|
|
NULL
|
|
};
|
|
|
|
field_tree = proto_tree_add_subtree(tree, tvb, offset, length, *optp->subtree_index, NULL, optp->name);
|
|
dissect_ccp_opt_type_len(tvb, offset, field_tree, optp->name);
|
|
|
|
proto_tree_add_bitmask(field_tree, tvb, offset + 2,
|
|
hf_ccp_opt_supported_bits, ett_ccp_mppe_opt_supp_bits,
|
|
supported_bits_fields, ENC_BIG_ENDIAN);
|
|
}
|
|
|
|
/* http://tools.ietf.org/html/rfc1993 */
|
|
static void dissect_ccp_gfza_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
proto_tree *field_tree;
|
|
|
|
field_tree = proto_tree_add_subtree(tree, tvb, offset, length, *optp->subtree_index, NULL, optp->name);
|
|
dissect_ccp_opt_type_len(tvb, offset, field_tree, optp->name);
|
|
|
|
proto_tree_add_item(field_tree, hf_ccp_opt_history, tvb, offset + 2, 1,
|
|
ENC_NA);
|
|
|
|
if (length > 3) {
|
|
proto_tree_add_item(field_tree, hf_ccp_opt_version, tvb, offset + 3,
|
|
length - 3, ENC_NA);
|
|
}
|
|
}
|
|
|
|
/* http://tools.ietf.org/html/rfc1977 */
|
|
static void
|
|
dissect_ccp_bsdcomp_opt(const ip_tcp_opt *optp, tvbuff_t *tvb, int offset,
|
|
guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
proto_tree *field_tree;
|
|
static const int *vd_fields[] = {
|
|
&hf_ccp_opt_vd_vers,
|
|
&hf_ccp_opt_vd_dict,
|
|
NULL
|
|
};
|
|
|
|
field_tree = proto_tree_add_subtree(tree, tvb, offset, length, *optp->subtree_index, NULL, optp->name);
|
|
dissect_ccp_opt_type_len(tvb, offset, field_tree, optp->name);
|
|
|
|
proto_tree_add_bitmask(field_tree, tvb, offset + 2, hf_ccp_opt_vd,
|
|
*optp->subtree_index, vd_fields, ENC_BIG_ENDIAN);
|
|
}
|
|
|
|
/* http://tools.ietf.org/html/rfc1967 */
|
|
static void
|
|
dissect_ccp_lzsdcp_opt(const ip_tcp_opt *optp, tvbuff_t *tvb, int offset,
|
|
guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
proto_tree *field_tree;
|
|
|
|
field_tree = proto_tree_add_subtree(tree, tvb, offset, length, *optp->subtree_index, NULL, optp->name);
|
|
dissect_ccp_opt_type_len(tvb, offset, field_tree, optp->name);
|
|
|
|
proto_tree_add_item(field_tree, hf_ccp_opt_history_count, tvb,
|
|
offset + 2, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(field_tree, hf_ccp_opt_check_mode, tvb, offset + 4, 1,
|
|
ENC_NA);
|
|
proto_tree_add_item(field_tree, hf_ccp_opt_process_mode, tvb, offset + 5,
|
|
1, ENC_NA);
|
|
}
|
|
|
|
/* http://tools.ietf.org/html/rfc1975 */
|
|
static void
|
|
dissect_ccp_mvrca_opt(const ip_tcp_opt *optp, tvbuff_t *tvb, int offset,
|
|
guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
proto_tree *field_tree;
|
|
|
|
field_tree = proto_tree_add_subtree(tree, tvb, offset, length, *optp->subtree_index, NULL, optp->name);
|
|
dissect_ccp_opt_type_len(tvb, offset, field_tree, optp->name);
|
|
|
|
proto_tree_add_item(field_tree, hf_ccp_opt_fe, tvb, offset + 2, 1, ENC_NA);
|
|
proto_tree_add_item(field_tree, hf_ccp_opt_p, tvb, offset + 2, 1, ENC_NA);
|
|
proto_tree_add_item(field_tree, hf_ccp_opt_History, tvb, offset + 2, 1,
|
|
ENC_NA);
|
|
proto_tree_add_item(field_tree, hf_ccp_opt_contexts, tvb, offset + 3, 1,
|
|
ENC_NA);
|
|
}
|
|
|
|
/* http://tools.ietf.org/html/rfc1976 */
|
|
static void
|
|
dissect_ccp_dce_opt(const ip_tcp_opt *optp, tvbuff_t *tvb, int offset,
|
|
guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
proto_tree *field_tree;
|
|
|
|
field_tree = proto_tree_add_subtree(tree, tvb, offset, length, *optp->subtree_index, NULL, optp->name);
|
|
dissect_ccp_opt_type_len(tvb, offset, field_tree, optp->name);
|
|
|
|
proto_tree_add_item(field_tree, hf_ccp_opt_mode, tvb, offset + 2, 1,
|
|
ENC_NA);
|
|
}
|
|
|
|
static const value_string deflate_method_vals[] = {
|
|
{8, "zlib compression"},
|
|
{0, NULL}
|
|
};
|
|
|
|
static const value_string deflate_chk_vals[] = {
|
|
{0, "sequence number check method"},
|
|
{0, NULL}
|
|
};
|
|
|
|
/* http://tools.ietf.org/html/rfc1979 */
|
|
static void
|
|
dissect_ccp_deflate_opt(const ip_tcp_opt *optp, tvbuff_t *tvb, int offset,
|
|
guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
proto_tree *field_tree;
|
|
guint8 window;
|
|
|
|
field_tree = proto_tree_add_subtree(tree, tvb, offset, length, *optp->subtree_index, NULL, optp->name);
|
|
dissect_ccp_opt_type_len(tvb, offset, field_tree, optp->name);
|
|
|
|
window = tvb_get_guint8(tvb, offset + 2);
|
|
proto_tree_add_uint_format_value(field_tree, hf_ccp_opt_window, tvb,
|
|
offset + 2, 1, window, "%u", 1 << (hi_nibble(window) + 8));
|
|
proto_tree_add_item(field_tree, hf_ccp_opt_method, tvb, offset + 2, 1,
|
|
ENC_NA);
|
|
proto_tree_add_item(field_tree, hf_ccp_opt_mbz, tvb, offset + 3, 1,
|
|
ENC_NA);
|
|
proto_tree_add_item(field_tree, hf_ccp_opt_chk, tvb, offset + 3, 1,
|
|
ENC_NA);
|
|
}
|
|
|
|
static const range_string v44lzjh_mode_dict_rvals[] = {
|
|
{0, 0, "Datagram Mode (one dictionary and no history)"},
|
|
{1, 1, "Multi-Datagram Mode (one dictionary with history)"},
|
|
{2, G_MAXUINT16, "Individual Link Mode" /* "(and proposed number of
|
|
dictionaries each with a
|
|
corresponding history" */},
|
|
{0, 0, NULL}
|
|
};
|
|
|
|
/* http://www.watersprings.org/pub/id/draft-heath-ppp-v44-01.txt */
|
|
static void dissect_ccp_v44lzjh_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
proto_tree *field_tree;
|
|
|
|
field_tree = proto_tree_add_subtree(tree, tvb, offset, length, *optp->subtree_index, NULL, optp->name);
|
|
dissect_ccp_opt_type_len(tvb, offset, field_tree, optp->name);
|
|
|
|
proto_tree_add_item(field_tree, hf_ccp_opt_mode_dictcount, tvb, offset + 2,
|
|
2, ENC_BIG_ENDIAN);
|
|
|
|
if (length > 4) {
|
|
proto_tree_add_item(field_tree, hf_ccp_opt_dict_size, tvb, offset + 4,
|
|
2, ENC_BIG_ENDIAN);
|
|
if (length > 6) {
|
|
proto_tree_add_item(field_tree, hf_ccp_opt_history_length, tvb,
|
|
offset + 6, 2, ENC_BIG_ENDIAN);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
dissect_cbcp_no_callback_opt(const ip_tcp_opt *optp, tvbuff_t *tvb, int offset,
|
|
guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
proto_tree_add_text(tree, tvb, offset, length, "%s", optp->name);
|
|
}
|
|
|
|
static void
|
|
dissect_cbcp_callback_opt(const ip_tcp_opt *optp, tvbuff_t *tvb, int offset,
|
|
guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
proto_tree *field_tree;
|
|
proto_tree *addr_tree;
|
|
guint8 addr_type;
|
|
guint addr_len;
|
|
|
|
field_tree = proto_tree_add_subtree(tree, tvb, offset, length, *optp->subtree_index, NULL, optp->name);
|
|
|
|
proto_tree_add_text(field_tree, tvb, offset + 2, 1, "Callback delay: %u",
|
|
tvb_get_guint8(tvb, offset + 2));
|
|
offset += 3;
|
|
length -= 3;
|
|
|
|
while (length > 0) {
|
|
addr_tree = proto_tree_add_subtree(field_tree, tvb, offset, length,
|
|
ett_cbcp_callback_opt_addr, NULL, "Callback Address");
|
|
addr_type = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_text(addr_tree, tvb, offset, 1, "Address Type: %s (%u)",
|
|
((addr_type == 1) ? "PSTN/ISDN" : "Other"), addr_type);
|
|
offset++;
|
|
length--;
|
|
addr_len = tvb_strsize(tvb, offset);
|
|
if (addr_len > length) {
|
|
proto_tree_add_text(addr_tree, tvb, offset, length,
|
|
"Address: (runs past end of option)");
|
|
break;
|
|
}
|
|
proto_tree_add_text(addr_tree, tvb, offset, addr_len, "Address: %s",
|
|
tvb_format_text(tvb, offset, addr_len - 1));
|
|
offset += addr_len;
|
|
length -= addr_len;
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_bacp_favored_peer_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
proto_tree *field_tree;
|
|
|
|
field_tree = proto_tree_add_subtree(tree, tvb, offset, length, *optp->subtree_index, NULL, optp->name);
|
|
|
|
proto_tree_add_text(field_tree, tvb, offset + 2, 4, "Magic number: 0x%08x",
|
|
tvb_get_ntohl(tvb, offset + 2));
|
|
}
|
|
|
|
static void
|
|
dissect_bap_link_type_opt(const ip_tcp_opt *optp, tvbuff_t *tvb, int offset,
|
|
guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
proto_tree *field_tree;
|
|
guint8 link_type;
|
|
|
|
field_tree = proto_tree_add_subtree(tree, tvb, offset, length, *optp->subtree_index, NULL, optp->name);
|
|
|
|
proto_tree_add_text(field_tree, tvb, offset + 2, 2, "Link Speed: %u kbps",
|
|
tvb_get_ntohs(tvb, offset + 2));
|
|
link_type = tvb_get_guint8(tvb, offset + 4);
|
|
proto_tree_add_text(field_tree, tvb, offset + 4, 1, "Link Type: %s (%u)",
|
|
val_to_str_const(link_type, bap_link_type_vals, "Unknown"), link_type);
|
|
}
|
|
|
|
static void
|
|
dissect_bap_phone_delta_opt(const ip_tcp_opt *optp, tvbuff_t *tvb, int offset,
|
|
guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
proto_tree *field_tree;
|
|
proto_tree *suboption_tree;
|
|
guint8 subopt_type;
|
|
guint8 subopt_len;
|
|
|
|
field_tree = proto_tree_add_subtree(tree, tvb, offset, length, *optp->subtree_index, NULL, optp->name);
|
|
|
|
offset += 2;
|
|
length -= 2;
|
|
|
|
while (length > 0) {
|
|
subopt_type = tvb_get_guint8(tvb, offset);
|
|
subopt_len = tvb_get_guint8(tvb, offset + 1);
|
|
suboption_tree = proto_tree_add_subtree_format(field_tree, tvb, offset, subopt_len,
|
|
ett_bap_phone_delta_subopt, NULL, "Sub-Option (%u byte%s)", subopt_len,
|
|
plurality(subopt_len, "", "s"));
|
|
|
|
proto_tree_add_text(suboption_tree, tvb, offset, 1,
|
|
"Sub-Option Type: %s (%u)", val_to_str_const(subopt_type,
|
|
bap_phone_delta_subopt_vals, "Unknown"), subopt_type);
|
|
|
|
if (subopt_len < 2) {
|
|
proto_tree_add_text(suboption_tree, tvb, offset + 1, 1,
|
|
"Sub-Option Length: %u (invalid, must be >= 2)", subopt_len);
|
|
return;
|
|
}
|
|
if (subopt_len > length) {
|
|
proto_tree_add_text(suboption_tree, tvb, offset + 1, 1,
|
|
"Sub-Option Length: %u (invalid, must be <= length remaining "
|
|
"in option %u)", subopt_len, length);
|
|
return;
|
|
}
|
|
|
|
proto_tree_add_text(suboption_tree, tvb, offset + 1, 1,
|
|
"Sub-Option Length: %u", subopt_len);
|
|
|
|
switch (subopt_type) {
|
|
case BAP_PHONE_DELTA_SUBOPT_UNIQ_DIGIT:
|
|
if (subopt_len == 3) {
|
|
proto_tree_add_text(suboption_tree, tvb, offset + 2, 1,
|
|
"Unique Digit: %u", tvb_get_guint8(tvb, offset + 2));
|
|
} else {
|
|
proto_tree_add_text(suboption_tree, tvb, offset + 1, 1,
|
|
"Invalid suboption length: %u (must be == 3)", subopt_len);
|
|
}
|
|
break;
|
|
case BAP_PHONE_DELTA_SUBOPT_SUBSC_NUM:
|
|
if (subopt_len > 2) {
|
|
proto_tree_add_text(suboption_tree, tvb, offset + 2,
|
|
subopt_len - 2, "Subscriber Number: %s",
|
|
tvb_format_text(tvb, offset + 2, subopt_len - 2));
|
|
} else {
|
|
proto_tree_add_text(suboption_tree, tvb, offset + 1, 1,
|
|
"Invalid suboption length: %u (must be > 2)", subopt_len);
|
|
}
|
|
break;
|
|
case BAP_PHONE_DELTA_SUBOPT_PHONENUM_SUBADDR:
|
|
if (subopt_len > 2) {
|
|
proto_tree_add_text(suboption_tree, tvb, offset + 2,
|
|
subopt_len - 2, "Phone Number Sub Address: %s",
|
|
tvb_format_text(tvb, offset + 2, subopt_len - 2));
|
|
} else {
|
|
proto_tree_add_text(suboption_tree, tvb, offset + 1, 1,
|
|
"Invalid suboption length: %u (must be > 2)", subopt_len);
|
|
}
|
|
break;
|
|
default:
|
|
if (subopt_len > 2) {
|
|
proto_tree_add_text(suboption_tree, tvb, offset + 2,
|
|
subopt_len - 2, "Unknown");
|
|
} else {
|
|
proto_tree_add_text(suboption_tree, tvb, offset + 1, 1,
|
|
"Invalid suboption length: %u (must be > 2)", subopt_len);
|
|
}
|
|
break;
|
|
}
|
|
offset += subopt_len;
|
|
length -= subopt_len;
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_bap_reason_opt(const ip_tcp_opt *optp, tvbuff_t *tvb, int offset,
|
|
guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
if (length > 2) {
|
|
proto_tree_add_text(tree, tvb, offset, length, "%s: %s", optp->name,
|
|
tvb_format_text(tvb, offset + 2, length - 2));
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_bap_link_disc_opt(const ip_tcp_opt *optp, tvbuff_t *tvb, int offset,
|
|
guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
proto_tree_add_text(tree, tvb, offset, length, "%s: 0x%04x", optp->name,
|
|
tvb_get_ntohs(tvb, offset + 2));
|
|
}
|
|
|
|
static void
|
|
dissect_bap_call_status_opt(const ip_tcp_opt *optp, tvbuff_t *tvb, int offset,
|
|
guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
proto_tree *field_tree;
|
|
guint8 status, action;
|
|
|
|
field_tree = proto_tree_add_subtree(tree, tvb, offset, length, *optp->subtree_index, NULL, optp->name);
|
|
|
|
status = tvb_get_guint8(tvb, offset + 2);
|
|
proto_tree_add_text(field_tree, tvb, offset + 2, 1, "Status: %s (0x%02x)",
|
|
val_to_str_ext_const(status, &q931_cause_code_vals_ext, "Unknown"),
|
|
status);
|
|
|
|
action = tvb_get_guint8(tvb, offset + 3);
|
|
proto_tree_add_text(field_tree, tvb, offset + 3, 1, "Action: %s (0x%02x)",
|
|
val_to_str_const(action, bap_call_status_opt_action_vals, "Unknown"),
|
|
action);
|
|
}
|
|
|
|
static void
|
|
dissect_vsncp_pdnid_opt(const ip_tcp_opt *optp, tvbuff_t *tvb, int offset,
|
|
guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
guint8 PDNID;
|
|
|
|
PDNID = tvb_get_guint8(tvb, offset + 2);
|
|
proto_tree_add_text(tree, tvb, offset, length, "%s: 0x%02x", optp->name,
|
|
PDNID);
|
|
}
|
|
|
|
static void
|
|
dissect_vsncp_attachtype_opt(const ip_tcp_opt *optp, tvbuff_t *tvb, int offset,
|
|
guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
static const value_string attach_vals[] = {
|
|
{1, "Initial Attach"},
|
|
{3, "Handover Attach"},
|
|
{0, NULL}
|
|
};
|
|
guint8 attach;
|
|
|
|
if (tree) {
|
|
attach = tvb_get_guint8(tvb, offset + 2);
|
|
proto_tree_add_text(tree, tvb, offset, length, "%s: %s (0x%02x)",
|
|
optp->name, val_to_str_const(attach , attach_vals, "Unknown"),
|
|
attach);
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_vsncp_pdntype_opt(const ip_tcp_opt *optp, tvbuff_t *tvb, int offset,
|
|
guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
static const value_string pdntype_vals[] = {
|
|
{1, "IPv4"},
|
|
{2, "IPv6"},
|
|
{3, "IPv6/IPv4"},
|
|
{0, NULL}
|
|
};
|
|
guint8 pdntype;
|
|
|
|
if (tree) {
|
|
pdntype = tvb_get_guint8(tvb, offset + 2);
|
|
proto_tree_add_text(tree, tvb, offset, length, "%s: %s (0x%02x)",
|
|
optp->name, val_to_str_const(pdntype, pdntype_vals, "Unknown"),
|
|
pdntype);
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_vsncp_errorcode_opt(const ip_tcp_opt *optp, tvbuff_t *tvb, int offset,
|
|
guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
static const value_string errorcode_vals[] = {
|
|
{0, "General Eror"},
|
|
{1, "Unauthorized APN"},
|
|
{2, "PDN Limit Exceeded"},
|
|
{3, "NO PG-W Available"},
|
|
{4, "P-GW Unreachable"},
|
|
{5, "P-GW Reject"},
|
|
{6, "Insufficient Parameters"},
|
|
{7, "Resource Unavailable"},
|
|
{8, "Admin Prohibited"},
|
|
{9, "PDN-ID Already in Use"},
|
|
{10, "Subscription Limitation"},
|
|
{11, "PDN connection already exists for APN"},
|
|
{12, "Emergency services not supported"},
|
|
{13, "Reconnect to this APN not allowed"},
|
|
{14, "APN congested"},
|
|
{0, NULL}
|
|
};
|
|
guint8 pdntype;
|
|
|
|
if (tree) {
|
|
pdntype = tvb_get_guint8(tvb, offset + 2);
|
|
proto_tree_add_text(tree, tvb, offset, length, "%s: %s (0x%02x)",
|
|
optp->name, val_to_str_const(pdntype, errorcode_vals, "Unknown"),
|
|
pdntype);
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_vsncp_pdnaddress_opt(const ip_tcp_opt *optp, tvbuff_t *tvb, int offset,
|
|
guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
guint8 pdnaddtype;
|
|
static const value_string pdntype_vals[] = {
|
|
{0, "Initial Request by UE"},
|
|
{1, "IPv4 Address"},
|
|
{2, "IPv6 Address"},
|
|
{3, "IPv6/IPv4 Address"},
|
|
{0, NULL}
|
|
};
|
|
proto_tree *field_tree;
|
|
|
|
field_tree = proto_tree_add_subtree_format(tree, tvb, offset, length,
|
|
ett_lcp_options, NULL, "%s: (%d byte%s)",
|
|
optp->name, length, plurality(length, "", "s"));
|
|
|
|
pdnaddtype = tvb_get_guint8(tvb, offset + 2);
|
|
proto_tree_add_text(field_tree, tvb, offset + 2, 1,
|
|
"PDN Type (%s): 0x%02x",
|
|
val_to_str_const(pdnaddtype, pdntype_vals, "Unknown"), pdnaddtype);
|
|
|
|
switch (pdnaddtype) {
|
|
case 1:
|
|
proto_tree_add_text(field_tree, tvb, offset + 3, length - 3, "%s: %s",
|
|
val_to_str_const(pdnaddtype, pdntype_vals, "Unknown"),
|
|
tvb_ip_to_str(tvb, offset + 3));
|
|
break;
|
|
|
|
case 2:
|
|
{
|
|
struct e_in6_addr *ad = wmem_new0(wmem_packet_scope(),struct e_in6_addr);
|
|
|
|
tvb_memcpy(tvb, &ad->bytes[8], offset + 3, 8);
|
|
proto_tree_add_text(field_tree, tvb, offset + 3, length - 3, "%s: %s",
|
|
val_to_str_const(pdnaddtype, pdntype_vals, "Unknown"),
|
|
ip6_to_str(ad));
|
|
break;
|
|
}
|
|
|
|
case 3:
|
|
{
|
|
struct e_in6_addr *ad = wmem_new0(wmem_packet_scope(), struct e_in6_addr);
|
|
|
|
tvb_memcpy(tvb, &ad->bytes[8], offset + 3, 8);
|
|
proto_tree_add_text(field_tree, tvb, offset + 3, length - 3, "%s: %s",
|
|
val_to_str_const(pdnaddtype, pdntype_vals, "Unknown"),
|
|
ip6_to_str(ad));
|
|
proto_tree_add_text(field_tree, tvb, offset + 11, length - 11,
|
|
"%s: %s", val_to_str_const(pdnaddtype, pdntype_vals, "Unknown"),
|
|
tvb_ip_to_str(tvb, offset + 11));
|
|
break;
|
|
}
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_vsncp_ipv4address_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
proto_tree_add_text(tree, tvb, offset, length, "%s: %s", optp->name,
|
|
tvb_ip_to_str(tvb, offset + 2));
|
|
}
|
|
|
|
static void
|
|
dissect_vsncp_apname_opt(const ip_tcp_opt *optp, tvbuff_t *tvb, int offset,
|
|
guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
proto_tree *field_tree;
|
|
|
|
field_tree = proto_tree_add_subtree_format(tree, tvb, offset, length,
|
|
ett_lcp_options, NULL, "%s: (%d byte%s)",
|
|
optp->name, length, plurality(length, "", "s"));
|
|
|
|
if (length > 2) {
|
|
guint8 i = 0;
|
|
guint8 j = 1;
|
|
guint8 lengthofapn;
|
|
int off = offset + 2;
|
|
|
|
while (i < (length - 2)) {
|
|
lengthofapn = tvb_get_guint8(tvb, off++);
|
|
proto_tree_add_text(field_tree, tvb, off, lengthofapn,
|
|
"Label%d (%d byte%s): %s", j++, lengthofapn,
|
|
plurality(lengthofapn, "", "s"),
|
|
tvb_format_text(tvb, off, lengthofapn));
|
|
off += lengthofapn;
|
|
i += lengthofapn + 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_vsncp_addressalloc_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
static const value_string alloc_vals[] = {
|
|
{0, "Null Value (Attach or Handover)"},
|
|
{18, "New PDN type due to network preference"},
|
|
{255, "Success"},
|
|
{0, NULL}
|
|
};
|
|
|
|
guint8 alloc;
|
|
|
|
if (tree) {
|
|
alloc = tvb_get_guint8(tvb, offset + 2);
|
|
proto_tree_add_text(tree, tvb, offset, length, "%s: %s (0x%02x)",
|
|
optp->name, val_to_str_const(alloc, alloc_vals, "Unknown"), alloc);
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_vsncp_apn_ambr_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
proto_tree *field_tree;
|
|
|
|
if (tree) {
|
|
|
|
field_tree = proto_tree_add_subtree_format(tree, tvb, offset, length,
|
|
ett_lcp_options, NULL, "%s: (%d byte%s)",
|
|
optp->name, length, plurality(length, "", "s"));
|
|
|
|
/*de_esm_apn_aggr_max_br(tvb, field_tree, pinfo, offset, length, NULL, 0);*/
|
|
proto_tree_add_text(field_tree, tvb, offset, length, "AMBR Data");
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_vsncp_ipv6_hsgw_lla_iid_opt(const ip_tcp_opt *optp _U_, tvbuff_t *tvb,
|
|
int offset, guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
proto_tree *field_tree;
|
|
|
|
if (tree) {
|
|
field_tree = proto_tree_add_subtree_format(tree, tvb, offset, length,
|
|
ett_lcp_options, NULL, "%s: (%d byte%s)",
|
|
optp->name, length, plurality(length, "", "s"));
|
|
|
|
proto_tree_add_text(field_tree, tvb, offset, length, "IPv6 interface identifier");
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_vsncp_pco_opt(const ip_tcp_opt *optp, tvbuff_t *tvb, int offset,
|
|
guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
/* Ch 10.5.6.3 3GPP TS 24.008 version 11.5.0 Release 11 */
|
|
static const value_string pco_vals[] = {
|
|
{0x8021, "IPCP (DNS Address Request)"},
|
|
{0x0001, "P-CSCF Address Request (IPv6)"},
|
|
{0x0005, "MS Support of Network Requested Bearer Control indicator"},
|
|
{0x0003, "DNS Server Address (IPv6)"},
|
|
{0x000A, "IP address allocation via NAS signalling"},
|
|
{0x000B, "IPv4 address allocation via DHCPv4"},
|
|
{0x000D, "DNS Server IPv4 Address Request"},
|
|
{0, NULL}
|
|
};
|
|
int off = offset + 3;
|
|
guint8 i = 0;
|
|
guint16 pcotype;
|
|
guint8 len;
|
|
proto_tree *field_tree;
|
|
|
|
field_tree = proto_tree_add_subtree_format(tree, tvb, offset, length,
|
|
ett_lcp_options, NULL, "%s: (%d byte%s)",
|
|
optp->name, length, plurality(length, "", "s"));
|
|
|
|
while (i < (length - 3)) {
|
|
pcotype = tvb_get_ntohs(tvb, off);
|
|
len = tvb_get_guint8(tvb, (off + 2));
|
|
proto_tree_add_text(field_tree, tvb, off, 2, "Protocol: %s (0x%02x)",
|
|
val_to_str_const(pcotype, pco_vals, "Unknown"), pcotype);
|
|
proto_tree_add_text(field_tree, tvb, off + 2, 1, "Length:(0x%02x)",
|
|
len);
|
|
if (len > 0) {
|
|
proto_tree_add_text(field_tree, tvb, off + 3, len,
|
|
"Data (%d byte%s)", len, plurality(len, "", "s"));
|
|
}
|
|
|
|
off += 3 + len;
|
|
i += 3 + len;
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_cp(tvbuff_t *tvb, int proto_id, int proto_subtree_index,
|
|
const value_string *proto_vals, int options_subtree_index,
|
|
const ip_tcp_opt *opts, int nopts, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
proto_item *ti;
|
|
proto_tree *fh_tree = NULL;
|
|
guint8 code;
|
|
int length, offset;
|
|
|
|
code = tvb_get_guint8(tvb, 0);
|
|
length = tvb_get_ntohs(tvb, 2);
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL,
|
|
proto_get_protocol_short_name(find_protocol_by_id(proto_id)));
|
|
col_set_str(pinfo->cinfo, COL_INFO,
|
|
val_to_str_const(code, proto_vals, "Unknown"));
|
|
|
|
if (tree) {
|
|
ti = proto_tree_add_item(tree, proto_id, tvb, 0, length, ENC_NA);
|
|
fh_tree = proto_item_add_subtree(ti, proto_subtree_index);
|
|
proto_tree_add_uint_format_value(fh_tree, hf_ppp_code, tvb, 0, 1, code,
|
|
"%s (%u)", val_to_str_const(code, proto_vals, "Unknown"), code);
|
|
proto_tree_add_item(fh_tree, hf_ppp_identifier, tvb, 1, 1, ENC_NA);
|
|
proto_tree_add_item(fh_tree, hf_ppp_length, tvb, 2, 2, ENC_BIG_ENDIAN);
|
|
}
|
|
offset = 4;
|
|
length -= 4;
|
|
|
|
switch (code) {
|
|
case VNDRSPCFC:
|
|
if (tree) {
|
|
guint32 oui;
|
|
const gchar *manuf;
|
|
|
|
proto_tree_add_item(fh_tree, hf_ppp_magic_number, tvb, offset, 4,
|
|
ENC_BIG_ENDIAN);
|
|
oui = tvb_get_ntoh24(tvb, offset + 4);
|
|
ti = proto_tree_add_uint_format_value(fh_tree, hf_ppp_oui, tvb,
|
|
offset + 4, 3, oui, "%02x:%02x:%02x", (oui >> 16) & 0xff,
|
|
(oui >> 8) & 0xff, oui & 0xff);
|
|
manuf = uint_get_manuf_name_if_known(oui);
|
|
if (manuf){
|
|
proto_item_append_text(ti, "(%s)", manuf);
|
|
}else{
|
|
/* check if we have the name in oui_vals */
|
|
manuf = try_val_to_str(oui,oui_vals);
|
|
if (manuf){
|
|
proto_item_append_text(ti, "(%s)", manuf);
|
|
}
|
|
}
|
|
proto_tree_add_item(fh_tree, hf_ppp_kind, tvb, offset + 7, 1,
|
|
ENC_NA);
|
|
if (length > 8) {
|
|
proto_tree_add_item(fh_tree, hf_ppp_data, tvb, offset + 8,
|
|
length - 8, ENC_NA);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case CONFREQ:
|
|
case CONFACK:
|
|
case CONFNAK:
|
|
case CONFREJ:
|
|
if (length > 0) {
|
|
proto_tree *field_tree;
|
|
|
|
field_tree = proto_tree_add_subtree_format(fh_tree, tvb, offset, length,
|
|
options_subtree_index, NULL, "Options: (%d byte%s)", length, plurality(length, "", "s"));
|
|
dissect_ip_tcp_options(tvb, offset, length, opts, nopts, -1, &PPP_OPT_TYPES,
|
|
&ei_ppp_opt_len_invalid, pinfo, field_tree, NULL, NULL);
|
|
}
|
|
break;
|
|
|
|
case CODEREJ:
|
|
if (tree && (length > 0)) {
|
|
/* TODO: Decode the rejected packet here ... but wait until we have
|
|
* a valid capture file with a CODEREJ, since the only capture file
|
|
* with CODEREJ packets in it that I know of is pppoe.dump.gz from
|
|
* the menagerie, and that file appears to have malformed CODEREJ
|
|
* packets as they don't include the Code, Identifier or Length
|
|
* fields so it's impossible to do the decode. */
|
|
proto_tree_add_bytes_format(fh_tree, hf_ppp_data, tvb, offset,
|
|
length, NULL, "Rejected Packet (%d byte%s): %s", length,
|
|
plurality(length, "", "s"),
|
|
tvb_bytes_to_ep_str(tvb, offset, length));
|
|
}
|
|
break;
|
|
|
|
case PROTREJ: /* LCP only: RFC 1661 */
|
|
if (tree) {
|
|
proto_tree_add_item(fh_tree, hf_lcp_rej_proto, tvb, offset, 2,
|
|
ENC_BIG_ENDIAN);
|
|
}
|
|
if (length > 2) {
|
|
gboolean save_in_error_pkt;
|
|
tvbuff_t *next_tvb;
|
|
guint16 protocol;
|
|
|
|
protocol = tvb_get_ntohs(tvb, offset);
|
|
offset += 2;
|
|
length -= 2;
|
|
|
|
/*
|
|
* Save the current value of the "we're inside an error packet"
|
|
* flag, and set that flag; subdissectors may treat packets that
|
|
* are the payload of error packets differently from "real"
|
|
* packets.
|
|
*/
|
|
save_in_error_pkt = pinfo->flags.in_error_pkt;
|
|
pinfo->flags.in_error_pkt = TRUE;
|
|
|
|
/* Decode the rejected packet. */
|
|
next_tvb = tvb_new_subset_length(tvb, offset, length);
|
|
if (!dissector_try_uint(ppp_subdissector_table, protocol, next_tvb,
|
|
pinfo, fh_tree)) {
|
|
call_dissector(data_handle, next_tvb, pinfo, fh_tree);
|
|
}
|
|
|
|
/* Restore the "we're inside an error packet" flag. */
|
|
pinfo->flags.in_error_pkt = save_in_error_pkt;
|
|
}
|
|
break;
|
|
|
|
case ECHOREQ: /* All 3 are LCP only: RFC 1661 */
|
|
case ECHOREP:
|
|
case DISCREQ:
|
|
if (tree) {
|
|
proto_tree_add_item(fh_tree, hf_lcp_magic_number, tvb, offset, 4,
|
|
ENC_BIG_ENDIAN);
|
|
if (length > 4) {
|
|
proto_tree_add_item(fh_tree, hf_lcp_data, tvb, offset + 4,
|
|
length - 4, ENC_NA);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case IDENT: /* LCP only: RFC 1570 */
|
|
if (tree) {
|
|
proto_tree_add_item(fh_tree, hf_lcp_magic_number, tvb, offset, 4,
|
|
ENC_BIG_ENDIAN);
|
|
if (length > 4) {
|
|
proto_tree_add_item(fh_tree, hf_lcp_message, tvb, offset + 4,
|
|
length - 4, ENC_ASCII|ENC_NA);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case TIMEREMAIN: /* LCP only: RFC 1570 */
|
|
if (tree) {
|
|
guint32 secs_remaining;
|
|
|
|
proto_tree_add_item(fh_tree, hf_lcp_magic_number, tvb, offset, 4,
|
|
ENC_BIG_ENDIAN);
|
|
secs_remaining = tvb_get_ntohl(tvb, offset + 4);
|
|
proto_tree_add_uint_format_value(fh_tree, hf_lcp_secs_remaining,
|
|
tvb, offset + 4, 4, secs_remaining, "%u %s", secs_remaining,
|
|
(secs_remaining == 0xffffffff) ? "(forever)" : "seconds");
|
|
if (length > 8) {
|
|
proto_tree_add_item(fh_tree, hf_lcp_message, tvb, offset + 8,
|
|
length - 8, ENC_ASCII|ENC_NA);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case TERMREQ:
|
|
case TERMACK:
|
|
case RESETREQ: /* RESETREQ and RESETACK are CCP only: RFC 1962 */
|
|
case RESETACK:
|
|
default:
|
|
if (tree && (length > 0)) {
|
|
proto_tree_add_item(fh_tree, hf_ppp_data, tvb, offset, length,
|
|
ENC_NA);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* Protocol field compression */
|
|
#define PFC_BIT 0x01
|
|
|
|
static void
|
|
dissect_ppp_common(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
|
|
proto_tree *fh_tree, proto_item *ti, int proto_offset)
|
|
{
|
|
guint16 ppp_prot;
|
|
int proto_len;
|
|
tvbuff_t *next_tvb;
|
|
|
|
/* Make direction information filterable */
|
|
if (tree &&
|
|
(pinfo->p2p_dir == P2P_DIR_RECV || pinfo->p2p_dir == P2P_DIR_SENT)) {
|
|
proto_item *direction_ti = proto_tree_add_uint(tree, hf_ppp_direction,
|
|
tvb, 0, 0, pinfo->p2p_dir);
|
|
PROTO_ITEM_SET_GENERATED(direction_ti);
|
|
}
|
|
|
|
ppp_prot = tvb_get_guint8(tvb, 0);
|
|
if (ppp_prot & PFC_BIT) {
|
|
/* Compressed protocol field - just the byte we fetched. */
|
|
proto_len = 1;
|
|
} else {
|
|
/* Uncompressed protocol field - fetch all of it. */
|
|
ppp_prot = tvb_get_ntohs(tvb, 0);
|
|
proto_len = 2;
|
|
}
|
|
|
|
/* If "ti" is not null, it refers to the top-level "proto_ppp" item
|
|
for PPP, and proto_offset is the length of any stuff in the header
|
|
preceding the protocol type, e.g. an HDLC header; add the length
|
|
of the protocol type field to it, and set the length of that item
|
|
to the result. */
|
|
if (ti != NULL)
|
|
proto_item_set_len(ti, proto_offset + proto_len);
|
|
|
|
if (tree) {
|
|
proto_tree_add_uint(fh_tree, hf_ppp_protocol, tvb, 0, proto_len,
|
|
ppp_prot);
|
|
}
|
|
|
|
next_tvb = tvb_new_subset_remaining(tvb, proto_len);
|
|
|
|
/* do lookup with the subdissector table */
|
|
if (!dissector_try_uint(ppp_subdissector_table, ppp_prot, next_tvb, pinfo,
|
|
tree)) {
|
|
col_add_fstr(pinfo->cinfo, COL_PROTOCOL, "0x%04x", ppp_prot);
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "PPP %s (0x%04x)",
|
|
val_to_str_ext_const(ppp_prot, &ppp_vals_ext, "Unknown"),
|
|
ppp_prot);
|
|
call_dissector(data_handle,next_tvb, pinfo, tree);
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_lcp_options(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
dissect_ip_tcp_options(tvb, 0, tvb_reported_length(tvb), lcp_opts,
|
|
N_LCP_OPTS, -1, &PPP_OPT_TYPES, &ei_ppp_opt_len_invalid, pinfo, tree, NULL, NULL);
|
|
}
|
|
|
|
/*
|
|
* RFC's 1661, 2153 and 1570.
|
|
*/
|
|
static void
|
|
dissect_lcp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
dissect_cp(tvb, proto_lcp, ett_lcp, lcp_vals, ett_lcp_options, lcp_opts,
|
|
N_LCP_OPTS, pinfo, tree);
|
|
}
|
|
|
|
static void
|
|
dissect_vsncp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
proto_item *ti;
|
|
proto_tree *fh_tree = NULL;
|
|
proto_tree *field_tree;
|
|
guint8 code;
|
|
guint8 id;
|
|
int length, offset;
|
|
|
|
code = tvb_get_guint8(tvb, 0);
|
|
id = tvb_get_guint8(tvb, 1);
|
|
length = tvb_get_ntohs(tvb, 2);
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "VSNCP");
|
|
col_set_str(pinfo->cinfo, COL_INFO,
|
|
val_to_str_const(code, cp_vals, "Unknown"));
|
|
|
|
if (tree) {
|
|
ti = proto_tree_add_item(tree, proto_vsncp, tvb, 0, length, ENC_NA);
|
|
fh_tree = proto_item_add_subtree(ti, ett_vsncp);
|
|
proto_tree_add_text(fh_tree, tvb, 0, 1, "Code: %s (0x%02x)",
|
|
val_to_str_const(code, cp_vals, "Unknown"), code);
|
|
proto_tree_add_text(fh_tree, tvb, 1, 1, "Identifier: 0x%02x", id);
|
|
proto_tree_add_text(fh_tree, tvb, 2, 2, "Length: %u", length);
|
|
proto_tree_add_item(fh_tree, hf_ppp_oui, tvb, 4, 3, ENC_BIG_ENDIAN);
|
|
|
|
}
|
|
offset = 7;
|
|
length -= 7;
|
|
|
|
switch (code) {
|
|
case CONFREQ:
|
|
case CONFACK:
|
|
case CONFNAK:
|
|
case CONFREJ:
|
|
case TERMREQ:
|
|
case TERMACK:
|
|
if (length > 0) {
|
|
field_tree = proto_tree_add_subtree_format(fh_tree, tvb, offset, length,
|
|
ett_vsncp_options, NULL, "Options: (%d byte%s)", length,
|
|
plurality(length, "", "s"));
|
|
dissect_ip_tcp_options(tvb, offset, length, vsncp_opts, N_VSNCP_OPTS, -1, &PPP_OPT_TYPES,
|
|
&ei_ppp_opt_len_invalid, pinfo, field_tree, NULL, NULL);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
/* TODO? */
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_vsnp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
proto_item *vsnp_item = NULL;
|
|
proto_tree *vsnp_tree = NULL;
|
|
guint32 offset = 0;
|
|
tvbuff_t *next_tvb;
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "VSNP");
|
|
|
|
if (tree) {
|
|
vsnp_item = proto_tree_add_item(tree, proto_vsnp, tvb, 0, -1, ENC_NA);
|
|
vsnp_tree = proto_item_add_subtree(vsnp_item, ett_vsnp);
|
|
proto_tree_add_item(vsnp_tree, hf_vsnp_pdnid, tvb, offset, 1,
|
|
ENC_BIG_ENDIAN);
|
|
}
|
|
|
|
next_tvb = tvb_new_subset_remaining(tvb, 1);
|
|
if (!dissector_try_uint(ppp_subdissector_table, PPP_IP, next_tvb, pinfo,
|
|
tree)) {
|
|
col_add_fstr(pinfo->cinfo, COL_PROTOCOL, "0x%04x", PPP_IP);
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "PPP %s (0x%04x)",
|
|
val_to_str_ext_const(PPP_IP, &ppp_vals_ext, "Unknown"), PPP_IP);
|
|
call_dissector(data_handle, next_tvb, pinfo, tree);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* RFC 1332.
|
|
*/
|
|
static void
|
|
dissect_ipcp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
dissect_cp(tvb, proto_ipcp, ett_ipcp, cp_vals, ett_ipcp_options, ipcp_opts,
|
|
N_IPCP_OPTS, pinfo, tree);
|
|
}
|
|
|
|
/*
|
|
* RFC 3518
|
|
*/
|
|
#define BCP_FCS_PRESENT 0x80
|
|
#define BCP_ZEROPAD 0x20
|
|
#define BCP_IS_BCONTROL 0x10
|
|
#define BCP_PADS_MASK 0x0f
|
|
|
|
#define BCP_MACT_ETHERNET 1
|
|
#define BCP_MACT_802_4 2
|
|
#define BCP_MACT_802_5_NONCANON 3
|
|
#define BCP_MACT_FDDI_NONCANON 4
|
|
#define BCP_MACT_802_5_CANON 11
|
|
#define BCP_MACT_FDDI_CANON 12
|
|
|
|
static const value_string bcp_mac_type_vals[] = {
|
|
{BCP_MACT_ETHERNET, "IEEE 802.3/Ethernet"},
|
|
{BCP_MACT_802_4, "IEEE 802.4"},
|
|
{BCP_MACT_802_5_NONCANON, "IEEE 802.5, non-canonical addresses"},
|
|
{BCP_MACT_FDDI_NONCANON, "FDDI, non-canonical addresses"},
|
|
{BCP_MACT_802_5_CANON, "IEEE 802.5, canonical addresses"},
|
|
{BCP_MACT_FDDI_CANON, "FDDI, canonical addresses"},
|
|
{0, NULL}
|
|
};
|
|
|
|
static void
|
|
dissect_bcp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
proto_item *ti, *flags_item;
|
|
proto_tree *bcp_tree, *flags_tree;
|
|
int offset = 0;
|
|
guint8 flags;
|
|
guint8 mac_type;
|
|
gint captured_length, reported_length, pad_length;
|
|
tvbuff_t *next_tvb;
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "PPP BCP");
|
|
col_clear(pinfo->cinfo, COL_INFO);
|
|
|
|
ti = proto_tree_add_item(tree, proto_bcp, tvb, 0, -1, ENC_NA);
|
|
bcp_tree = proto_item_add_subtree(ti, ett_bcp);
|
|
|
|
flags = tvb_get_guint8(tvb, offset);
|
|
if (flags & BCP_IS_BCONTROL) {
|
|
col_set_str(pinfo->cinfo, COL_INFO, "Bridge control");
|
|
}
|
|
if (tree) {
|
|
flags_item = proto_tree_add_uint(bcp_tree, hf_bcp_flags, tvb, offset,
|
|
1, flags);
|
|
flags_tree = proto_item_add_subtree(flags_item, ett_bcp_flags);
|
|
proto_tree_add_boolean(flags_tree, hf_bcp_fcs_present, tvb, offset,
|
|
1, flags);
|
|
proto_tree_add_boolean(flags_tree, hf_bcp_zeropad, tvb, offset, 1,
|
|
flags);
|
|
proto_tree_add_boolean(flags_tree, hf_bcp_bcontrol, tvb, offset, 1,
|
|
flags);
|
|
proto_tree_add_uint(flags_tree, hf_bcp_pads, tvb, offset, 1, flags);
|
|
}
|
|
offset++;
|
|
|
|
mac_type = tvb_get_guint8(tvb, offset);
|
|
if (!(flags & BCP_IS_BCONTROL)) {
|
|
col_add_str(pinfo->cinfo, COL_INFO,
|
|
val_to_str(mac_type, bcp_mac_type_vals,
|
|
"Unknown MAC type %u"));
|
|
}
|
|
if (tree) {
|
|
proto_tree_add_uint(bcp_tree, hf_bcp_mac_type, tvb, offset, 1,
|
|
mac_type);
|
|
}
|
|
offset++;
|
|
|
|
switch (mac_type) {
|
|
|
|
case BCP_MACT_802_4:
|
|
case BCP_MACT_802_5_NONCANON:
|
|
case BCP_MACT_FDDI_NONCANON:
|
|
case BCP_MACT_802_5_CANON:
|
|
case BCP_MACT_FDDI_CANON:
|
|
if (tree)
|
|
proto_tree_add_text(bcp_tree, tvb, offset, 1, "Pad");
|
|
offset++;
|
|
break;
|
|
|
|
default:
|
|
/* TODO? */
|
|
break;
|
|
}
|
|
|
|
if (!(flags & BCP_IS_BCONTROL)) {
|
|
captured_length = tvb_length_remaining(tvb, offset);
|
|
reported_length = tvb_reported_length_remaining(tvb, offset);
|
|
pad_length = flags & BCP_PADS_MASK;
|
|
if (reported_length >= pad_length) {
|
|
reported_length -= pad_length;
|
|
if (captured_length > reported_length)
|
|
captured_length = reported_length;
|
|
next_tvb = tvb_new_subset(tvb, offset, captured_length,
|
|
reported_length);
|
|
switch (mac_type) {
|
|
|
|
case BCP_MACT_ETHERNET:
|
|
if (flags & BCP_FCS_PRESENT) {
|
|
call_dissector(eth_withfcs_handle, next_tvb, pinfo, tree);
|
|
} else {
|
|
call_dissector(eth_withoutfcs_handle, next_tvb, pinfo,
|
|
tree);
|
|
}
|
|
break;
|
|
|
|
case BCP_MACT_802_4:
|
|
case BCP_MACT_802_5_NONCANON:
|
|
case BCP_MACT_FDDI_NONCANON:
|
|
case BCP_MACT_802_5_CANON:
|
|
case BCP_MACT_FDDI_CANON:
|
|
break;
|
|
|
|
default:
|
|
call_dissector(data_handle, next_tvb, pinfo, tree);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* RFC 1377.
|
|
*/
|
|
static void
|
|
dissect_osinlcp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
dissect_cp(tvb, proto_osinlcp, ett_osinlcp, cp_vals, ett_osinlcp_options,
|
|
osinlcp_opts, N_OSINLCP_OPTS, pinfo, tree);
|
|
}
|
|
|
|
/*
|
|
* RFC 1962.
|
|
*/
|
|
static void
|
|
dissect_ccp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
dissect_cp(tvb, proto_ccp, ett_ccp, ccp_vals, ett_ccp_options, ccp_opts,
|
|
N_CCP_OPTS, pinfo, tree);
|
|
}
|
|
|
|
/*
|
|
* Callback Control Protocol - see
|
|
*
|
|
* http://www.linet.gr.jp/~manabe/PPxP/doc/Standards/draft-gidwani-ppp-callback-cp-00.txt
|
|
*/
|
|
static void
|
|
dissect_cbcp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
dissect_cp(tvb, proto_cbcp, ett_cbcp, cbcp_vals, ett_cbcp_options,
|
|
cbcp_opts, N_CBCP_OPTS, pinfo, tree);
|
|
}
|
|
|
|
/*
|
|
* RFC 2125 (BACP and BAP).
|
|
*/
|
|
static void
|
|
dissect_bacp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
dissect_cp(tvb, proto_bacp, ett_bacp, cp_vals, ett_bacp_options, bacp_opts,
|
|
N_BACP_OPTS, pinfo, tree);
|
|
}
|
|
|
|
static void
|
|
dissect_bap(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
proto_item *ti;
|
|
proto_tree *fh_tree = NULL;
|
|
proto_tree *field_tree;
|
|
guint8 type;
|
|
guint8 id;
|
|
int length, offset;
|
|
guint8 resp_code;
|
|
|
|
type = tvb_get_guint8(tvb, 0);
|
|
id = tvb_get_guint8(tvb, 1);
|
|
length = tvb_get_ntohs(tvb, 2);
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "PPP BAP");
|
|
col_set_str(pinfo->cinfo, COL_INFO,
|
|
val_to_str_const(type, bap_vals, "Unknown"));
|
|
|
|
if (tree) {
|
|
ti = proto_tree_add_item(tree, proto_bap, tvb, 0, length, ENC_NA);
|
|
fh_tree = proto_item_add_subtree(ti, ett_bap_options);
|
|
proto_tree_add_text(fh_tree, tvb, 0, 1, "Type: %s (0x%02x)",
|
|
val_to_str_const(type, bap_vals, "Unknown"), type);
|
|
proto_tree_add_text(fh_tree, tvb, 1, 1, "Identifier: 0x%02x", id);
|
|
proto_tree_add_text(fh_tree, tvb, 2, 2, "Length: %u", length);
|
|
}
|
|
offset = 4;
|
|
length -= 4;
|
|
|
|
if (type == BAP_CRES || type == BAP_CBRES ||
|
|
type == BAP_LDQRES || type == BAP_CSRES) {
|
|
resp_code = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_text(fh_tree, tvb, offset, 1,
|
|
"Response Code: %s (0x%02x)",
|
|
val_to_str_const(resp_code, bap_resp_code_vals, "Unknown"),
|
|
resp_code);
|
|
offset++;
|
|
length--;
|
|
}
|
|
|
|
if (length > 0) {
|
|
field_tree = proto_tree_add_subtree_format(fh_tree, tvb, offset, length,
|
|
ett_bap_options, NULL, "Data (%d byte%s)", length, plurality(length, "", "s"));
|
|
dissect_ip_tcp_options(tvb, offset, length, bap_opts, N_BAP_OPTS, -1, &PPP_OPT_TYPES,
|
|
&ei_ppp_opt_len_invalid, pinfo, field_tree, NULL, NULL);
|
|
}
|
|
}
|
|
|
|
#if 0 /* TODO? */
|
|
static void
|
|
dissect_comp_data(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
proto_item *ti;
|
|
proto_tree *comp_data_tree;
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "PPP Comp");
|
|
col_set_str(pinfo->cinfo, COL_INFO, "Compressed data");
|
|
|
|
if (tree) {
|
|
ti = proto_tree_add_item(tree, proto_comp_data, tvb, 0, -1, ENC_NA);
|
|
comp_data_tree = proto_item_add_subtree(ti, ett_comp_data);
|
|
}
|
|
}
|
|
#else
|
|
static void
|
|
dissect_comp_data(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "PPP Comp");
|
|
col_set_str(pinfo->cinfo, COL_INFO, "Compressed data");
|
|
|
|
proto_tree_add_item(tree, proto_comp_data, tvb, 0, -1, ENC_NA);
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* RFC 3153 (both PPPMuxCP and PPPMux).
|
|
*/
|
|
static void
|
|
dissect_pppmuxcp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
dissect_cp(tvb, proto_pppmuxcp, ett_pppmuxcp, pppmuxcp_vals,
|
|
ett_pppmuxcp_options, pppmuxcp_opts, N_PPPMUXCP_OPTS,pinfo, tree);
|
|
}
|
|
|
|
#define PPPMUX_FLAGS_MASK 0xc0
|
|
#define PPPMUX_PFF_BIT_SET 0x80
|
|
#define PPPMUX_LXT_BIT_SET 0x40
|
|
|
|
static void
|
|
dissect_pppmux(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
proto_tree *mux_tree, *hdr_tree, *sub_tree, *flag_tree;
|
|
proto_tree *info_tree;
|
|
proto_item *ti = NULL;
|
|
guint8 flags, byte;
|
|
guint16 length;
|
|
static guint16 pid;
|
|
tvbuff_t *next_tvb;
|
|
int offset = 0, length_remaining;
|
|
int length_field = 0, pid_field = 0, hdr_length = 0;
|
|
|
|
col_set_str(pinfo->cinfo,COL_PROTOCOL, "PPP PPPMux");
|
|
col_set_str(pinfo->cinfo, COL_INFO, "PPP Multiplexing");
|
|
|
|
length_remaining = tvb_reported_length(tvb);
|
|
|
|
ti = proto_tree_add_item(tree, proto_pppmux, tvb, 0, -1, ENC_NA);
|
|
mux_tree = proto_item_add_subtree(ti, ett_pppmux);
|
|
|
|
while (length_remaining > 0) {
|
|
flags = tvb_get_guint8(tvb,offset) & PPPMUX_FLAGS_MASK;
|
|
|
|
if (flags & PPPMUX_LXT_BIT_SET) {
|
|
length = tvb_get_ntohs(tvb,offset) & 0x3fff;
|
|
length_field = 2;
|
|
} else {
|
|
length = tvb_get_guint8(tvb,offset) & 0x3f;
|
|
length_field = 1;
|
|
}
|
|
|
|
if (flags & PPPMUX_PFF_BIT_SET) {
|
|
byte = tvb_get_guint8(tvb,offset + length_field);
|
|
if (byte & PFC_BIT) { /* Compressed PID field */
|
|
pid = byte;
|
|
pid_field = 1;
|
|
} else { /* PID field is 2 bytes */
|
|
pid = tvb_get_ntohs(tvb,offset + length_field);
|
|
pid_field = 2;
|
|
}
|
|
} else {
|
|
pid_field = 0; /* PID field is 0 bytes */
|
|
if (!pid) { /* No Last PID, hence use the default */
|
|
if (pppmux_def_prot_id)
|
|
pid = pppmux_def_prot_id;
|
|
}
|
|
}
|
|
|
|
hdr_length = length_field + pid_field;
|
|
|
|
sub_tree = proto_tree_add_subtree(mux_tree, tvb, offset, length + length_field,
|
|
ett_pppmux_subframe, NULL, "PPPMux Sub-frame");
|
|
hdr_tree = proto_tree_add_subtree(sub_tree, tvb, offset, hdr_length,
|
|
ett_pppmux_subframe_hdr, NULL, "Header field");
|
|
|
|
ti = proto_tree_add_text(hdr_tree, tvb, offset, length_field,
|
|
"PFF/LXT: 0x%02X", flags);
|
|
flag_tree = proto_item_add_subtree(ti, ett_pppmux_subframe_flags);
|
|
proto_tree_add_item(flag_tree, hf_pppmux_flags_pid, tvb, offset, length_field,
|
|
ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_pppmux_flags_field_length, tvb, offset, length_field,
|
|
ENC_BIG_ENDIAN);
|
|
proto_tree_add_text(hdr_tree, tvb,offset, length_field,
|
|
"Sub-frame Length = %u", length);
|
|
|
|
ti = proto_tree_add_uint(hdr_tree, hf_pppmux_protocol, tvb,
|
|
offset + length_field, pid_field, pid);
|
|
|
|
/* if protocol is not present in the sub-frame */
|
|
if (!(flags & PPPMUX_PFF_BIT_SET)) {
|
|
/* mark this item as generated */
|
|
PROTO_ITEM_SET_GENERATED(ti);
|
|
}
|
|
|
|
offset += hdr_length;
|
|
length_remaining -= hdr_length;
|
|
length -= pid_field;
|
|
|
|
tvb_ensure_bytes_exist (tvb, offset, length);
|
|
info_tree = proto_tree_add_subtree(sub_tree, tvb,offset, length,
|
|
ett_pppmux_subframe_info, NULL, "Information Field");
|
|
next_tvb = tvb_new_subset_length(tvb, offset, length);
|
|
|
|
if (!dissector_try_uint(ppp_subdissector_table, pid, next_tvb, pinfo,
|
|
info_tree)) {
|
|
call_dissector(data_handle, next_tvb, pinfo, info_tree);
|
|
}
|
|
offset += length;
|
|
length_remaining -= length;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* RFC 2508 Internet Protocol Header Compression
|
|
*/
|
|
#define IPHC_CRTP_FH_FLAG_MASK 0xc0
|
|
#define IPHC_CRTP_FH_FLAG_POS 6
|
|
#define IPHC_CRTP_FH_CID8 1
|
|
#define IPHC_CRTP_FH_CID16 3
|
|
|
|
#define IPHC_CRTP_CS_CID8 1
|
|
#define IPHC_CRTP_CS_CID16 2
|
|
|
|
static const value_string iphc_crtp_fh_flags[] = {
|
|
{IPHC_CRTP_FH_CID8, "8-bit Context Id"},
|
|
{IPHC_CRTP_FH_CID16, "16-bit Context Id"},
|
|
{0, NULL}
|
|
};
|
|
|
|
static const value_string iphc_crtp_cs_flags[] = {
|
|
{IPHC_CRTP_CS_CID8, "8-bit Context Id"},
|
|
{IPHC_CRTP_CS_CID16, "16-bit Context Id"},
|
|
{0, NULL}
|
|
};
|
|
|
|
/*
|
|
* 0x61 Packets: Full IP/UDP Header
|
|
*/
|
|
static void
|
|
dissect_iphc_crtp_fh(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
proto_tree *fh_tree = NULL, *info_tree;
|
|
proto_item *ti = NULL;
|
|
guint ip_hdr_len, flags;
|
|
guint length;
|
|
guint hdr_len;
|
|
tvbuff_t *next_tvb;
|
|
int offset_seq;
|
|
int offset_cid;
|
|
guint8 ip_version;
|
|
guint8 next_protocol;
|
|
guchar *ip_packet;
|
|
|
|
length = tvb_reported_length(tvb);
|
|
|
|
col_set_str(pinfo->cinfo,COL_PROTOCOL, "CRTP");
|
|
col_set_str(pinfo->cinfo, COL_INFO, "Full Header");
|
|
|
|
/* only dissect IPv4 and UDP */
|
|
ip_version = tvb_get_guint8(tvb, 0) >> 4;
|
|
flags = (tvb_get_guint8(tvb, 2) & IPHC_CRTP_FH_FLAG_MASK) >>
|
|
IPHC_CRTP_FH_FLAG_POS;
|
|
next_protocol = tvb_get_guint8(tvb, 9);
|
|
|
|
if (tree) {
|
|
ti = proto_tree_add_protocol_format(tree, proto_iphc_crtp, tvb, 0, -1,
|
|
"%s", val_to_str_ext_const(PPP_RTP_FH, &ppp_vals_ext, "Unknown"));
|
|
fh_tree = proto_item_add_subtree(ti, ett_iphc_crtp);
|
|
|
|
proto_tree_add_item(fh_tree, hf_iphc_crtp_fh_flags, tvb, 2, 1,
|
|
ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(fh_tree, hf_iphc_crtp_gen, tvb, 2, 1,
|
|
ENC_BIG_ENDIAN);
|
|
|
|
}
|
|
|
|
/* calculate length of IP header, assume IPv4 */
|
|
ip_hdr_len = (tvb_get_guint8(tvb, 0) & 0x0f) * 4;
|
|
|
|
/* calculate total hdr length, assume UDP */
|
|
hdr_len = ip_hdr_len + 8;
|
|
|
|
if (ip_version != 4) {
|
|
proto_tree_add_text(fh_tree, tvb, 3, -1,
|
|
"IP version is %u: the only supported version is 4",
|
|
ip_version);
|
|
return;
|
|
}
|
|
|
|
if (next_protocol != IP_PROTO_UDP) {
|
|
proto_tree_add_text(fh_tree, tvb, 3, -1,
|
|
"Next protocol is %s (%u): the only supported protocol is UDP",
|
|
ipprotostr(next_protocol), next_protocol);
|
|
return;
|
|
}
|
|
|
|
/* context id and sequence fields */
|
|
switch (flags) {
|
|
case IPHC_CRTP_FH_CID8:
|
|
offset_cid = 3;
|
|
offset_seq = ip_hdr_len + 5;
|
|
proto_tree_add_item(fh_tree, hf_iphc_crtp_cid8, tvb, offset_cid, 1,
|
|
ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(fh_tree, hf_iphc_crtp_seq, tvb, offset_seq, 1,
|
|
ENC_BIG_ENDIAN);
|
|
break;
|
|
|
|
case IPHC_CRTP_FH_CID16:
|
|
offset_seq = 3;
|
|
offset_cid = ip_hdr_len + 4;
|
|
proto_tree_add_item(fh_tree, hf_iphc_crtp_seq, tvb, offset_seq, 1,
|
|
ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(fh_tree, hf_iphc_crtp_cid16, tvb, offset_cid,
|
|
2, ENC_BIG_ENDIAN);
|
|
break;
|
|
|
|
default:
|
|
/* TODO? */
|
|
break;
|
|
}
|
|
|
|
/* information field */
|
|
info_tree = proto_tree_add_subtree(fh_tree, tvb, 0, length, ett_iphc_crtp_info, NULL, "Information Field");
|
|
|
|
/* XXX: 1: May trap above; 2: really only need to check for ip_hdr_len+6 ?? */
|
|
tvb_ensure_bytes_exist (tvb, 0, hdr_len); /* ip_hdr_len + 8 */
|
|
|
|
/* allocate a copy of the IP packet */
|
|
ip_packet = (guchar *)tvb_memdup(NULL, tvb, 0, length);
|
|
|
|
/* restore the proper values to the IP and UDP length fields */
|
|
ip_packet[2] = length >> 8;
|
|
ip_packet[3] = length;
|
|
|
|
ip_packet[ip_hdr_len + 4] = (length - ip_hdr_len) >> 8;
|
|
ip_packet[ip_hdr_len + 5] = (length - ip_hdr_len);
|
|
|
|
next_tvb = tvb_new_child_real_data(tvb, ip_packet, length, length);
|
|
add_new_data_source(pinfo, next_tvb, "Decompressed Data");
|
|
tvb_set_free_cb(next_tvb, g_free);
|
|
|
|
if (!dissector_try_uint(ppp_subdissector_table, PPP_IP, next_tvb, pinfo,
|
|
info_tree)) {
|
|
call_dissector_only(data_handle, next_tvb, pinfo, info_tree, NULL);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* 0x2067 Packets: Compressed UDP with 16-bit Context Identifier
|
|
*/
|
|
static void
|
|
dissect_iphc_crtp_cudp16(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
proto_tree *cudp_tree;
|
|
proto_item *ti = NULL;
|
|
guint length;
|
|
guint hdr_length;
|
|
int offset = 0;
|
|
|
|
col_set_str(pinfo->cinfo,COL_PROTOCOL, "CRTP");
|
|
col_set_str(pinfo->cinfo, COL_INFO, "Compressed UDP 16");
|
|
|
|
length = tvb_reported_length(tvb);
|
|
|
|
if (tree) {
|
|
ti = proto_tree_add_protocol_format(tree, proto_iphc_crtp, tvb, 0, -1,
|
|
"%s",
|
|
val_to_str_ext_const(PPP_RTP_CUDP16, &ppp_vals_ext, "Unknown"));
|
|
cudp_tree = proto_item_add_subtree(ti, ett_iphc_crtp);
|
|
|
|
hdr_length = 3;
|
|
|
|
proto_tree_add_item(cudp_tree, hf_iphc_crtp_cid16, tvb, 0, 2,
|
|
ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(cudp_tree, hf_iphc_crtp_seq, tvb, 2, 1,
|
|
ENC_BIG_ENDIAN);
|
|
|
|
offset += hdr_length;
|
|
length -= hdr_length;
|
|
|
|
proto_tree_add_text(cudp_tree, tvb, offset, length, "Data (%d bytes)",
|
|
length);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* 0x67 Packets: Compressed UDP with 8-bit Context Identifier
|
|
*/
|
|
static void
|
|
dissect_iphc_crtp_cudp8(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
proto_tree *cudp_tree;
|
|
proto_item *ti = NULL;
|
|
guint length;
|
|
guint hdr_length;
|
|
int offset = 0;
|
|
|
|
col_set_str(pinfo->cinfo,COL_PROTOCOL, "CRTP");
|
|
col_set_str(pinfo->cinfo, COL_INFO, "Compressed UDP 8");
|
|
|
|
length = tvb_reported_length(tvb);
|
|
|
|
if (tree) {
|
|
ti = proto_tree_add_protocol_format(tree, proto_iphc_crtp, tvb, 0, -1,
|
|
"%s",
|
|
val_to_str_ext_const(PPP_RTP_CUDP8, &ppp_vals_ext, "Unknown"));
|
|
cudp_tree = proto_item_add_subtree(ti, ett_iphc_crtp);
|
|
|
|
hdr_length = 2;
|
|
|
|
proto_tree_add_item(cudp_tree, hf_iphc_crtp_cid8, tvb, 0, 1,
|
|
ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(cudp_tree, hf_iphc_crtp_seq, tvb, 1, 1,
|
|
ENC_BIG_ENDIAN);
|
|
|
|
offset += hdr_length;
|
|
length -= hdr_length;
|
|
|
|
proto_tree_add_text(cudp_tree, tvb, offset, length, "Data (%d bytes)",
|
|
length);
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* 0x2065 Packets: Context State
|
|
*/
|
|
static void
|
|
dissect_iphc_crtp_cs(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
proto_tree *cs_tree;
|
|
proto_item *ti = NULL;
|
|
guint8 flags, cnt;
|
|
guint length, cid_size;
|
|
guint offset = 2, hf;
|
|
|
|
col_set_str(pinfo->cinfo,COL_PROTOCOL, "CRTP");
|
|
col_set_str(pinfo->cinfo, COL_INFO, "Context State");
|
|
|
|
if (tree) {
|
|
ti = proto_tree_add_protocol_format(tree, proto_iphc_crtp, tvb, 0, -1,
|
|
"%s", val_to_str_ext_const(PPP_RTP_CS, &ppp_vals_ext, "Unknown"));
|
|
|
|
cs_tree = proto_item_add_subtree(ti, ett_iphc_crtp);
|
|
|
|
proto_tree_add_item(cs_tree, hf_iphc_crtp_cs_flags, tvb, 0, 1,
|
|
ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(cs_tree, hf_iphc_crtp_cs_cnt, tvb, 1, 1,
|
|
ENC_BIG_ENDIAN);
|
|
|
|
/* calculate required length */
|
|
flags = tvb_get_guint8(tvb, 0);
|
|
cnt = tvb_get_guint8(tvb, 1);
|
|
|
|
if (flags == IPHC_CRTP_CS_CID8) {
|
|
hf = hf_iphc_crtp_cid8;
|
|
cid_size = 1;
|
|
length = 3 * cnt;
|
|
} else {
|
|
hf = hf_iphc_crtp_cid16;
|
|
cid_size = 2;
|
|
length = 4 * cnt;
|
|
}
|
|
|
|
tvb_ensure_bytes_exist(tvb, offset, length);
|
|
|
|
while (offset < length) {
|
|
proto_tree_add_item(cs_tree, hf, tvb, offset, cid_size,
|
|
ENC_BIG_ENDIAN);
|
|
offset += cid_size;
|
|
proto_tree_add_item(cs_tree, hf_iphc_crtp_cs_invalid, tvb, offset,
|
|
1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(cs_tree, hf_iphc_crtp_seq, tvb, offset, 1,
|
|
ENC_BIG_ENDIAN);
|
|
++offset;
|
|
proto_tree_add_item(cs_tree, hf_iphc_crtp_gen, tvb, offset, 1,
|
|
ENC_BIG_ENDIAN);
|
|
++offset;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* RFC 3032.
|
|
*/
|
|
static void
|
|
dissect_mplscp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
dissect_cp(tvb, proto_mplscp, ett_mplscp, cp_vals, ett_mplscp_options,
|
|
NULL, 0, pinfo, tree);
|
|
}
|
|
|
|
/*
|
|
* Cisco Discovery Protocol Control Protocol.
|
|
* XXX - where is this documented?
|
|
*/
|
|
static void
|
|
dissect_cdpcp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
dissect_cp(tvb, proto_cdpcp, ett_cdpcp, cp_vals, ett_cdpcp_options, NULL,
|
|
0, pinfo, tree);
|
|
}
|
|
|
|
static gboolean mp_short_seqno = FALSE; /* Default to long sequence numbers */
|
|
|
|
#define MP_FRAG_MASK 0xC0
|
|
#define MP_FRAG(bits) ((bits) & MP_FRAG_MASK)
|
|
#define MP_FRAG_FIRST 0x80
|
|
#define MP_FRAG_LAST 0x40
|
|
#define MP_FRAG_RESERVED 0x3f
|
|
#define MP_FRAG_RESERVED_SHORT 0x30
|
|
|
|
/* According to RFC 1990, the length the MP header isn't indicated anywhere
|
|
in the header itself. It starts out at four bytes and can be
|
|
negotiated down to two using LCP. We currently have a preference
|
|
to select short headers. - gcc & gh
|
|
*/
|
|
static void
|
|
dissect_mp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
proto_tree *mp_tree = NULL, *hdr_tree;
|
|
proto_item *ti = NULL;
|
|
guint8 flags;
|
|
const gchar *flag_str;
|
|
gint hdrlen;
|
|
tvbuff_t *next_tvb;
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "PPP MP");
|
|
col_set_str(pinfo->cinfo, COL_INFO, "PPP Multilink");
|
|
|
|
if (tree) {
|
|
ti = proto_tree_add_item(tree, proto_mp, tvb, 0,
|
|
mp_short_seqno ? 2 : 4, ENC_NA);
|
|
mp_tree = proto_item_add_subtree(ti, ett_mp);
|
|
}
|
|
|
|
flags = tvb_get_guint8(tvb, 0);
|
|
|
|
if (tree) {
|
|
switch (MP_FRAG(flags)) {
|
|
case MP_FRAG_FIRST:
|
|
flag_str = "First";
|
|
break;
|
|
case MP_FRAG_LAST:
|
|
flag_str = "Last";
|
|
break;
|
|
case MP_FRAG_FIRST|MP_FRAG_LAST:
|
|
flag_str = "First, Last";
|
|
break;
|
|
default:
|
|
flag_str = "Unknown";
|
|
break;
|
|
}
|
|
ti = proto_tree_add_text(mp_tree, tvb, 0, 1, "Fragment: 0x%2X (%s)",
|
|
MP_FRAG(flags), flag_str);
|
|
hdr_tree = proto_item_add_subtree(ti, ett_mp_flags);
|
|
|
|
proto_tree_add_boolean(hdr_tree, hf_mp_frag_first, tvb, 0, 1, flags);
|
|
proto_tree_add_boolean(hdr_tree, hf_mp_frag_last, tvb, 0, 1, flags);
|
|
if (mp_short_seqno) {
|
|
proto_tree_add_item(hdr_tree, hf_mp_short_sequence_num_reserved, tvb, 0, 1,
|
|
ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(mp_tree, hf_mp_short_sequence_num, tvb, 0, 2,
|
|
ENC_BIG_ENDIAN);
|
|
} else {
|
|
proto_tree_add_item(hdr_tree, hf_mp_sequence_num_reserved, tvb, 0, 1,
|
|
ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(mp_tree, hf_mp_sequence_num, tvb, 1, 3,
|
|
ENC_BIG_ENDIAN);
|
|
}
|
|
}
|
|
|
|
hdrlen = mp_short_seqno ? 2 : 4;
|
|
if (tvb_reported_length_remaining(tvb, hdrlen) > 0) {
|
|
next_tvb = tvb_new_subset_remaining(tvb, hdrlen);
|
|
dissect_ppp(next_tvb, pinfo, tree);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Handles PPP without HDLC framing, just a protocol field (RFC 1661).
|
|
*/
|
|
static void
|
|
dissect_ppp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
proto_item *ti = NULL;
|
|
proto_tree *fh_tree = NULL;
|
|
|
|
if (tree) {
|
|
ti = proto_tree_add_item(tree, proto_ppp, tvb, 0, -1, ENC_NA);
|
|
fh_tree = proto_item_add_subtree(ti, ett_ppp);
|
|
}
|
|
|
|
dissect_ppp_common(tvb, pinfo, tree, fh_tree, ti, 0);
|
|
}
|
|
|
|
static void
|
|
dissect_ppp_hdlc_common(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
proto_item *ti = NULL;
|
|
proto_tree *fh_tree = NULL;
|
|
guint8 byte0;
|
|
int proto_offset;
|
|
tvbuff_t *next_tvb;
|
|
|
|
byte0 = tvb_get_guint8(tvb, 0);
|
|
|
|
/* PPP HDLC encapsulation */
|
|
if (byte0 == 0xff)
|
|
proto_offset = 2;
|
|
else {
|
|
/* address and control are compressed (NULL) */
|
|
proto_offset = 0;
|
|
}
|
|
|
|
/* load the top pane info. This should be overwritten by
|
|
the next protocol in the stack */
|
|
if (tree) {
|
|
ti = proto_tree_add_item(tree, proto_ppp, tvb, 0, -1, ENC_NA);
|
|
fh_tree = proto_item_add_subtree(ti, ett_ppp);
|
|
if (byte0 == 0xff) {
|
|
proto_tree_add_item(fh_tree, hf_ppp_address, tvb, 0, 1,
|
|
ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(fh_tree, hf_ppp_control, tvb, 1, 1,
|
|
ENC_BIG_ENDIAN);
|
|
}
|
|
}
|
|
|
|
next_tvb = decode_fcs(tvb, fh_tree, ppp_fcs_decode, proto_offset);
|
|
dissect_ppp_common(next_tvb, pinfo, tree, fh_tree, ti, proto_offset);
|
|
}
|
|
|
|
/*
|
|
* Handles link-layer encapsulations where the frame might be
|
|
* a PPP in HDLC-like Framing frame (RFC 1662) or a Cisco HDLC frame.
|
|
*/
|
|
static void
|
|
dissect_ppp_hdlc(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
guint8 byte0;
|
|
|
|
byte0 = tvb_get_guint8(tvb, 0);
|
|
if (byte0 == CHDLC_ADDR_UNICAST || byte0 == CHDLC_ADDR_MULTICAST) {
|
|
/* Cisco HDLC encapsulation */
|
|
call_dissector(chdlc_handle, tvb, pinfo, tree);
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* XXX - should we have an exported dissector that always dissects PPP,
|
|
* for use when we know the packets are PPP, not CHDLC?
|
|
*/
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "PPP");
|
|
switch (pinfo->p2p_dir) {
|
|
|
|
case P2P_DIR_SENT:
|
|
col_set_str(pinfo->cinfo, COL_RES_DL_SRC, "DTE");
|
|
col_set_str(pinfo->cinfo, COL_RES_DL_DST, "DCE");
|
|
break;
|
|
|
|
case P2P_DIR_RECV:
|
|
col_set_str(pinfo->cinfo, COL_RES_DL_SRC, "DCE");
|
|
col_set_str(pinfo->cinfo, COL_RES_DL_DST, "DTE");
|
|
break;
|
|
|
|
default:
|
|
col_set_str(pinfo->cinfo, COL_RES_DL_SRC, "N/A");
|
|
col_set_str(pinfo->cinfo, COL_RES_DL_DST, "N/A");
|
|
break;
|
|
}
|
|
|
|
dissect_ppp_hdlc_common(tvb, pinfo, tree);
|
|
}
|
|
|
|
static tvbuff_t*
|
|
remove_escape_chars(tvbuff_t *tvb, packet_info *pinfo, int offset, int length)
|
|
{
|
|
guint8 *buff;
|
|
int i;
|
|
int scanned_len = 0;
|
|
guint8 octet;
|
|
tvbuff_t *next_tvb;
|
|
|
|
buff = (guint8 *)wmem_alloc(pinfo->pool, length);
|
|
i = 0;
|
|
while (scanned_len < length) {
|
|
octet = tvb_get_guint8(tvb, offset);
|
|
if (octet == 0x7d) {
|
|
offset++;
|
|
scanned_len++;
|
|
if (scanned_len >= length)
|
|
break;
|
|
octet = tvb_get_guint8(tvb, offset);
|
|
buff[i] = octet ^ 0x20;
|
|
} else {
|
|
buff[i] = octet;
|
|
}
|
|
offset++;
|
|
scanned_len++;
|
|
i++;
|
|
}
|
|
if (i == 0) {
|
|
return NULL;
|
|
}
|
|
next_tvb = tvb_new_child_real_data(tvb, buff, i, i);
|
|
|
|
return next_tvb;
|
|
}
|
|
|
|
/*
|
|
* Handles link-layer encapsulations where we have a raw RFC 1662
|
|
* HDLC-like asynchronous framing byte stream, and have to
|
|
* break the byte stream into frames and remove escapes.
|
|
*/
|
|
static void
|
|
dissect_ppp_raw_hdlc( tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree )
|
|
{
|
|
proto_item *ti;
|
|
proto_tree *bs_tree = NULL;
|
|
gint offset, end_offset, data_offset;
|
|
int length, data_length;
|
|
tvbuff_t *ppp_tvb;
|
|
gboolean first = TRUE;
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "PPP");
|
|
|
|
if (tree) {
|
|
ti = proto_tree_add_item(tree, proto_ppp_hdlc, tvb, 0, -1, ENC_NA);
|
|
bs_tree = proto_item_add_subtree(ti, ett_ppp_hdlc_data);
|
|
}
|
|
|
|
/*
|
|
* XXX - this needs to handle a PPP frame split over multiple higher-level
|
|
* packets.
|
|
*/
|
|
|
|
/*
|
|
* Look for a frame delimiter.
|
|
*/
|
|
offset = tvb_find_guint8(tvb, 0, -1, 0x7e);
|
|
if (offset == -1) {
|
|
/*
|
|
* None found - this is presumably continued from an earlier
|
|
* packet and continued in a later packet.
|
|
*/
|
|
col_set_str(pinfo->cinfo, COL_INFO, "PPP Fragment");
|
|
if (tree)
|
|
proto_tree_add_text(bs_tree, tvb, offset, -1, "PPP Fragment");
|
|
offset++;
|
|
length = tvb_length_remaining(tvb,offset);
|
|
ppp_tvb = remove_escape_chars(tvb, pinfo, offset,length);
|
|
if (ppp_tvb != NULL) {
|
|
add_new_data_source(pinfo, ppp_tvb, "PPP Fragment");
|
|
call_dissector(data_handle, ppp_tvb, pinfo, tree);
|
|
}
|
|
return;
|
|
}
|
|
if (offset != 0) {
|
|
/*
|
|
* We have some data preceding the first PPP packet;
|
|
* mark it as a PPP fragment.
|
|
*/
|
|
col_set_str(pinfo->cinfo, COL_INFO, "PPP Fragment");
|
|
length = offset;
|
|
if (tree)
|
|
proto_tree_add_text(bs_tree, tvb, 0, length, "PPP Fragment");
|
|
if (length != 0) {
|
|
ppp_tvb = remove_escape_chars(tvb, pinfo, 0, length - 1);
|
|
if (ppp_tvb != NULL) {
|
|
add_new_data_source(pinfo, ppp_tvb, "PPP Fragment");
|
|
call_dissector(data_handle, ppp_tvb, pinfo, tree);
|
|
}
|
|
}
|
|
}
|
|
while (tvb_reported_length_remaining(tvb, offset) > 0) {
|
|
/*
|
|
* Look for the next frame delimiter.
|
|
*/
|
|
end_offset = tvb_find_guint8(tvb, offset + 1, -1, 0x7e);
|
|
if (end_offset == -1) {
|
|
/*
|
|
* We didn't find one. This is probably continued in a later
|
|
* packet.
|
|
*/
|
|
if (first)
|
|
col_set_str(pinfo->cinfo, COL_INFO, "PPP Fragment");
|
|
if (tree)
|
|
proto_tree_add_text(bs_tree, tvb, offset, -1, "PPP Fragment");
|
|
offset++;
|
|
length = tvb_length_remaining(tvb, offset);
|
|
ppp_tvb = remove_escape_chars(tvb, pinfo, offset, length);
|
|
if (ppp_tvb != NULL) {
|
|
add_new_data_source(pinfo, ppp_tvb, "PPP Fragment");
|
|
call_dissector(data_handle, ppp_tvb, pinfo, tree);
|
|
}
|
|
return;
|
|
}
|
|
|
|
data_offset = offset + 1; /* skip starting frame delimiter */
|
|
data_length = end_offset - data_offset;
|
|
|
|
/*
|
|
* Is that frame delimiter immediately followed by another one?
|
|
* Some PPP implementations put a frame delimiter at the
|
|
* beginning and the end of each frame, although RFC 1662
|
|
* appears only to require that there be one frame delimiter
|
|
* between adjacent frames:
|
|
*
|
|
* Each frame begins and ends with a Flag Sequence, which is the
|
|
* binary sequence 01111110 (hexadecimal 0x7e). All implementations
|
|
* continuously check for this flag, which is used for frame
|
|
* synchronization.
|
|
*
|
|
* Only one Flag Sequence is required between two frames. Two
|
|
* consecutive Flag Sequences constitute an empty frame, which is
|
|
* silently discarded, and not counted as a FCS error.
|
|
*
|
|
* If the delimiter at the end of this frame is followed by
|
|
* another delimiter, we consider the first delimiter part
|
|
* of this frame.
|
|
*/
|
|
if (tvb_offset_exists(tvb, end_offset + 1) &&
|
|
tvb_get_guint8(tvb, end_offset+1) == 0x7e) {
|
|
end_offset++;
|
|
}
|
|
length = end_offset - offset;
|
|
if (tree)
|
|
proto_tree_add_text(bs_tree, tvb, offset, length, "PPP Data");
|
|
if (length > 1) {
|
|
ppp_tvb = remove_escape_chars(tvb, pinfo, data_offset, data_length);
|
|
if (ppp_tvb != NULL) {
|
|
add_new_data_source(pinfo, ppp_tvb, "PPP Message");
|
|
dissect_ppp_hdlc_common(ppp_tvb, pinfo, tree);
|
|
first = FALSE;
|
|
}
|
|
}
|
|
offset = end_offset;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* At least for the PPP/USB captures I've seen, the data either starts with
|
|
* 0x7eff03 or 0x7eff7d23 or 0xff03, so this function performs that heuristic
|
|
* matching first before calling dissect_ppp_raw_hdlc(). Otherwise, if we call
|
|
* it directly for USB captures, some captures like the following will not be
|
|
* dissected correctly:
|
|
* http://wiki.wireshark.org/SampleCaptures#head-886e340c31ca977f321c921f81cbec4c21bb7738
|
|
*
|
|
* NOTE: I don't know if these heuristics are sufficient. Time will tell ...
|
|
*/
|
|
static gboolean
|
|
dissect_ppp_usb( tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_ )
|
|
{
|
|
/*
|
|
* In some cases, the 0x03 normally in byte 3 is escaped so we must look
|
|
* for the 2 byte sequence of 0x7d23 instead of 0x03. The 0x23 is
|
|
* generated by 0x20^0x03 per section 4.2 of:
|
|
* http://tools.ietf.org/html/rfc1662.html.
|
|
*/
|
|
const guchar buf1[3] = {0x7e, 0xff, 0x03};
|
|
const guchar buf2[4] = {0x7e, 0xff, 0x7d, 0x23};
|
|
tvbuff_t *next_tvb;
|
|
|
|
if ((tvb_memeql(tvb, 0, buf2, sizeof(buf2)) == 0) ||
|
|
(tvb_memeql(tvb, 0, buf1, sizeof(buf1)) == 0)) {
|
|
dissect_ppp_raw_hdlc(tvb, pinfo, tree);
|
|
} else if ((tvb_memeql(tvb, 0, &buf1[1], sizeof(buf1) - 1) == 0) ||
|
|
(tvb_memeql(tvb, 0, &buf2[1], sizeof(buf2) - 1) == 0)) {
|
|
/* It's missing the 0x7e framing character. What TODO?
|
|
* Should we try faking it by sticking 0x7e in front? Or try telling
|
|
* dissect_ppp_raw_hdlc() NOT to look for the 0x7e frame deliminator?
|
|
* Or is this a bug in libpcap (used 1.1.0)?
|
|
* Or a bug in the Linux kernel (tested with 2.6.24.4) Or a bug in
|
|
* usbmon? Or is the data we're looking at really just part of the
|
|
* payload and not control data? Well, at least in my case it's
|
|
* definitely not, but not sure if this is always the case. Is this
|
|
* issue applicable only to PPP/USB or PPP/XYZ, in which case a more
|
|
* general solution should be found?
|
|
*/
|
|
/* For now, just try skipping the framing I guess??? */
|
|
if (tvb_get_guint8(tvb, 1) == 0x03)
|
|
next_tvb = tvb_new_subset_remaining(tvb, 2);
|
|
else
|
|
next_tvb = tvb_new_subset_remaining(tvb, 3);
|
|
dissect_ppp(next_tvb, pinfo, tree);
|
|
} else if (tvb_get_guint8(tvb, 0) == 0x7e) {
|
|
/* Well, let's guess that since the 1st byte is 0x7e that it really is
|
|
* a PPP frame, and the address and control bytes are compressed (NULL)
|
|
* per http://tools.ietf.org/html/rfc1662, section 3.2. */
|
|
next_tvb = tvb_new_subset_remaining(tvb, 1);
|
|
dissect_ppp_hdlc_common(next_tvb, pinfo, tree);
|
|
} else
|
|
return (FALSE);
|
|
return (TRUE);
|
|
}
|
|
|
|
void
|
|
proto_register_ppp_raw_hdlc(void)
|
|
{
|
|
static gint *ett[] = {
|
|
&ett_ppp_hdlc_data
|
|
};
|
|
|
|
proto_ppp_hdlc = proto_register_protocol("PPP In HDLC-Like Framing",
|
|
"PPP-HDLC", "ppp_hdlc");
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_ppp_raw_hdlc(void)
|
|
{
|
|
dissector_handle_t ppp_raw_hdlc_handle;
|
|
|
|
ppp_raw_hdlc_handle = create_dissector_handle(dissect_ppp_raw_hdlc,
|
|
proto_ppp);
|
|
dissector_add_uint("gre.proto", ETHERTYPE_CDMA2000_A10_UBS,
|
|
ppp_raw_hdlc_handle);
|
|
dissector_add_uint("gre.proto", ETHERTYPE_3GPP2, ppp_raw_hdlc_handle);
|
|
|
|
heur_dissector_add("usb.bulk", dissect_ppp_usb, proto_ppp);
|
|
}
|
|
|
|
/*
|
|
* Handles PAP just as a protocol field
|
|
*/
|
|
static void
|
|
dissect_pap(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
proto_item *ti, *data_ti;
|
|
proto_tree *fh_tree, *data_tree = NULL;
|
|
guint8 code;
|
|
gchar *peer_id, *password, *message;
|
|
guint8 peer_id_length, password_length, message_length;
|
|
int offset = 0;
|
|
|
|
code = tvb_get_guint8(tvb, 0);
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "PPP PAP");
|
|
col_set_str(pinfo->cinfo, COL_INFO,
|
|
val_to_str_const(code, pap_vals, "Unknown"));
|
|
|
|
ti = proto_tree_add_item(tree, proto_pap, tvb, 0, -1, ENC_NA);
|
|
fh_tree = proto_item_add_subtree(ti, ett_pap);
|
|
|
|
proto_tree_add_item(fh_tree, hf_pap_code, tvb, offset, 1,
|
|
ENC_BIG_ENDIAN);
|
|
offset++;
|
|
|
|
proto_tree_add_item(fh_tree, hf_pap_identifier, tvb, offset, 1,
|
|
ENC_BIG_ENDIAN);
|
|
offset++;
|
|
|
|
proto_tree_add_item(fh_tree, hf_pap_length, tvb, offset, 2,
|
|
ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
data_ti = proto_tree_add_item(fh_tree, hf_pap_data, tvb, offset, -1,
|
|
ENC_NA);
|
|
data_tree = proto_item_add_subtree(data_ti, ett_pap_data);
|
|
|
|
switch (code) {
|
|
case CONFREQ:
|
|
proto_tree_add_item(data_tree, hf_pap_peer_id_length, tvb, offset,
|
|
1, ENC_BIG_ENDIAN);
|
|
peer_id_length = tvb_get_guint8(tvb, offset);
|
|
offset++;
|
|
|
|
proto_tree_add_item(data_tree, hf_pap_peer_id, tvb, offset,
|
|
peer_id_length, ENC_ASCII|ENC_NA);
|
|
peer_id = tvb_format_text(tvb, offset, peer_id_length);
|
|
offset += peer_id_length;
|
|
|
|
proto_tree_add_item(data_tree, hf_pap_password_length, tvb, offset,
|
|
1, ENC_BIG_ENDIAN);
|
|
password_length = tvb_get_guint8(tvb, offset);
|
|
offset++;
|
|
|
|
proto_tree_add_item(data_tree, hf_pap_password, tvb, offset,
|
|
password_length, ENC_ASCII|ENC_NA);
|
|
password = tvb_format_text(tvb, offset, password_length);
|
|
|
|
col_append_fstr(pinfo->cinfo, COL_INFO,
|
|
" (Peer-ID='%s', Password='%s')", peer_id, password);
|
|
break;
|
|
|
|
case CONFACK:
|
|
case CONFNAK:
|
|
proto_tree_add_item(data_tree, hf_pap_message_length, tvb, offset,
|
|
1, ENC_BIG_ENDIAN);
|
|
message_length = tvb_get_guint8(tvb, offset);
|
|
offset +=1;
|
|
|
|
proto_tree_add_item(data_tree, hf_pap_message, tvb, offset,
|
|
message_length, ENC_ASCII|ENC_NA);
|
|
message = tvb_format_text(tvb, offset, message_length);
|
|
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " (Message='%s')",
|
|
message);
|
|
break;
|
|
|
|
default:
|
|
proto_tree_add_item(data_tree, hf_pap_stuff, tvb, offset, -1,
|
|
ENC_NA);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* RFC 1994
|
|
* Handles CHAP just as a protocol field
|
|
*/
|
|
static void
|
|
dissect_chap(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
proto_item *ti = NULL;
|
|
proto_tree *fh_tree = NULL;
|
|
proto_item *tf;
|
|
proto_tree *field_tree;
|
|
guint8 code, value_size;
|
|
guint32 length;
|
|
int offset;
|
|
|
|
code = tvb_get_guint8(tvb, 0);
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "PPP CHAP");
|
|
col_set_str(pinfo->cinfo, COL_INFO,
|
|
val_to_str_const(code, chap_vals, "Unknown"));
|
|
|
|
if (tree) {
|
|
/* Create CHAP protocol tree */
|
|
ti = proto_tree_add_item(tree, proto_chap, tvb, 0, -1, ENC_NA);
|
|
fh_tree = proto_item_add_subtree(ti, ett_chap);
|
|
|
|
proto_tree_add_item(fh_tree, hf_chap_code, tvb, 0, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(fh_tree, hf_chap_identifier, tvb, 1, 1,
|
|
ENC_BIG_ENDIAN);
|
|
}
|
|
|
|
/* Length - make sure it's valid */
|
|
length = tvb_get_ntohs(tvb, 2);
|
|
if (length < 4) {
|
|
proto_tree_add_uint_format_value(fh_tree, hf_chap_length, tvb, 2, 2,
|
|
length, "%u (invalid, must be >= 4)", length);
|
|
return;
|
|
}
|
|
proto_item_set_len(ti, length);
|
|
if (tree) {
|
|
proto_tree_add_item(fh_tree, hf_chap_length, tvb, 2, 2,
|
|
ENC_BIG_ENDIAN);
|
|
}
|
|
|
|
offset = 4; /* Offset moved to after length field */
|
|
length -= 4; /* Length includes previous 4 bytes, subtract */
|
|
|
|
switch (code) {
|
|
/* Challenge or Response data */
|
|
case CHAP_CHAL:
|
|
case CHAP_RESP:
|
|
if (length > 0) {
|
|
guint value_offset = 0;
|
|
guint name_offset = 0, name_size = 0;
|
|
|
|
/* Create data subtree */
|
|
tf = proto_tree_add_item(fh_tree, hf_chap_data, tvb, offset,
|
|
length, ENC_NA);
|
|
field_tree = proto_item_add_subtree(tf, ett_chap_data);
|
|
length--;
|
|
|
|
/* Value size */
|
|
value_size = tvb_get_guint8(tvb, offset);
|
|
if (value_size > length) {
|
|
proto_tree_add_text(field_tree, tvb, offset, 1,
|
|
"Value Size: %d byte%s (invalid, must be <= %u)",
|
|
value_size, plurality(value_size, "", "s"), length);
|
|
return;
|
|
}
|
|
proto_tree_add_item(field_tree, hf_chap_value_size, tvb,
|
|
offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
|
|
/* Value */
|
|
if (length > 0) {
|
|
value_offset = offset;
|
|
proto_tree_add_item(field_tree, hf_chap_value, tvb, offset,
|
|
value_size, ENC_NA);
|
|
|
|
/* Move along value_size bytes */
|
|
offset += value_size;
|
|
length -= value_size;
|
|
|
|
/* Find name in remaining bytes */
|
|
if (length > 0) {
|
|
tvb_ensure_bytes_exist(tvb, offset, length);
|
|
proto_tree_add_item(field_tree, hf_chap_name, tvb,
|
|
offset, length, ENC_ASCII|ENC_NA);
|
|
name_offset = offset;
|
|
name_size = length;
|
|
}
|
|
|
|
/* Show name and value in info column */
|
|
col_append_fstr(pinfo->cinfo, COL_INFO,
|
|
" (NAME='%s%s', VALUE=0x%s)",
|
|
tvb_format_text(tvb, name_offset,
|
|
(name_size > 20) ? 20 : name_size),
|
|
(name_size > 20) ? "..." : "",
|
|
tvb_bytes_to_ep_str(tvb, value_offset, value_size));
|
|
}
|
|
}
|
|
break;
|
|
|
|
/* Success or Failure data */
|
|
case CHAP_SUCC:
|
|
case CHAP_FAIL:
|
|
if (tree) {
|
|
if (length > 0) {
|
|
proto_tree_add_item(fh_tree, hf_chap_message, tvb, offset,
|
|
length, ENC_ASCII|ENC_NA);
|
|
}
|
|
}
|
|
|
|
/* Show message in info column */
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " (MESSAGE='%s')",
|
|
tvb_format_text(tvb, offset, length));
|
|
break;
|
|
|
|
/* Code from unknown code type... */
|
|
default:
|
|
if (length > 0)
|
|
proto_tree_add_text(fh_tree, tvb, offset, length,
|
|
"Stuff (%u byte%s)", length, plurality(length, "", "s"));
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* RFC 2472.
|
|
*/
|
|
static void
|
|
dissect_ipv6cp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
dissect_cp(tvb, proto_ipv6cp, ett_ipv6cp, cp_vals, ett_ipv6cp_options,
|
|
ipv6cp_opts, N_IPV6CP_OPTS, pinfo, tree);
|
|
}
|
|
|
|
static void
|
|
dissect_ipv6cp_if_id_opt(const ip_tcp_opt *optp, tvbuff_t *tvb, int offset,
|
|
guint length, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
proto_tree_add_text(tree, tvb, offset, length,
|
|
"%s: %02x%02x:%02x%02x:%02x%x:%02x%02x", optp->name,
|
|
tvb_get_guint8(tvb, offset + 2), tvb_get_guint8(tvb, offset + 3),
|
|
tvb_get_guint8(tvb, offset + 4), tvb_get_guint8(tvb, offset + 5),
|
|
tvb_get_guint8(tvb, offset + 6), tvb_get_guint8(tvb, offset + 7),
|
|
tvb_get_guint8(tvb, offset + 8), tvb_get_guint8(tvb, offset + 9));
|
|
}
|
|
|
|
void
|
|
proto_register_ppp(void)
|
|
{
|
|
static hf_register_info hf[] = {
|
|
{ &hf_ppp_direction,
|
|
{ "Direction", "ppp.direction", FT_UINT8, BASE_DEC,
|
|
VALS(ppp_direction_vals), 0x0, "PPP direction", HFILL }},
|
|
{ &hf_ppp_address,
|
|
{ "Address", "ppp.address", FT_UINT8, BASE_HEX,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_ppp_control,
|
|
{ "Control", "ppp.control", FT_UINT8, BASE_HEX,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_ppp_protocol,
|
|
{ "Protocol", "ppp.protocol", FT_UINT16, BASE_HEX|BASE_EXT_STRING,
|
|
&ppp_vals_ext, 0x0, NULL, HFILL }},
|
|
{ &hf_ppp_code,
|
|
{ "Code", "ppp.code", FT_UINT8, BASE_DEC,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_ppp_identifier,
|
|
{ "Identifier", "ppp.identifier", FT_UINT8, BASE_DEC_HEX,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_ppp_length,
|
|
{ "Length", "ppp.length", FT_UINT16, BASE_DEC,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_ppp_magic_number,
|
|
{ "Magic Number", "ppp.magic_number", FT_UINT32, BASE_HEX,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_ppp_oui,
|
|
{ "OUI", "ppp.oui", FT_UINT24, BASE_HEX,
|
|
VALS(oui_vals), 0x0, NULL, HFILL }},
|
|
{ &hf_ppp_kind,
|
|
{ "Kind", "ppp.kind", FT_UINT8, BASE_DEC_HEX,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_ppp_data,
|
|
{ "Data", "ppp.data", FT_BYTES, BASE_NONE,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_ppp_opt_type,
|
|
{ "Type", "ppp.opt.type", FT_UINT8, BASE_DEC,
|
|
NULL, 0x0, NULL, HFILL}},
|
|
{ &hf_ppp_opt_type_copy,
|
|
{ "Copy on fragmentation", "ppp.opt.type.copy", FT_BOOLEAN, 8,
|
|
TFS(&tfs_yes_no), IPOPT_COPY_MASK, NULL, HFILL}},
|
|
{ &hf_ppp_opt_type_class,
|
|
{ "Class", "ppp.opt.type.class", FT_UINT8, BASE_DEC,
|
|
VALS(ipopt_type_class_vals), IPOPT_CLASS_MASK, NULL, HFILL}},
|
|
{ &hf_ppp_opt_type_number,
|
|
{ "Number", "ppp.opt.type.number", FT_UINT8, BASE_DEC,
|
|
VALS(ipopt_type_number_vals), IPOPT_NUMBER_MASK, NULL, HFILL}},
|
|
};
|
|
static gint *ett[] = {
|
|
&ett_ppp,
|
|
&ett_ppp_opt_type
|
|
};
|
|
static ei_register_info ei[] = {
|
|
{ &ei_ppp_opt_len_invalid, { "ppp.opt.len.invalid", PI_PROTOCOL, PI_WARN, "Invalid length for option", EXPFILL }},
|
|
};
|
|
|
|
module_t *ppp_module;
|
|
expert_module_t* expert_ppp;
|
|
|
|
proto_ppp = proto_register_protocol("Point-to-Point Protocol", "PPP",
|
|
"ppp");
|
|
proto_register_field_array(proto_ppp, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
expert_ppp = expert_register_protocol(proto_ppp);
|
|
expert_register_field_array(expert_ppp, ei, array_length(ei));
|
|
|
|
/* subdissector code */
|
|
ppp_subdissector_table = register_dissector_table("ppp.protocol",
|
|
"PPP protocol", FT_UINT16, BASE_HEX);
|
|
|
|
register_dissector("ppp_hdlc", dissect_ppp_hdlc, proto_ppp);
|
|
register_dissector("ppp_lcp_options", dissect_lcp_options, proto_ppp);
|
|
register_dissector("ppp", dissect_ppp, proto_ppp);
|
|
|
|
/* Register the preferences for the ppp protocol */
|
|
ppp_module = prefs_register_protocol(proto_ppp, NULL);
|
|
|
|
prefs_register_enum_preference(ppp_module, "fcs_type",
|
|
"PPP Frame Checksum Type",
|
|
"The type of PPP frame checksum (none, 16-bit, 32-bit)",
|
|
&ppp_fcs_decode, fcs_options, FALSE);
|
|
prefs_register_bool_preference(ppp_module, "decompress_vj",
|
|
"Decompress Van Jacobson-compressed frames",
|
|
"Whether Van Jacobson-compressed PPP frames should be decompressed",
|
|
&ppp_vj_decomp);
|
|
prefs_register_uint_preference(ppp_module, "default_proto_id",
|
|
"PPPMuxCP Default PID (in hex)",
|
|
"Default Protocol ID to be used for PPPMuxCP",
|
|
16, &pppmux_def_prot_id);
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_ppp(void)
|
|
{
|
|
dissector_handle_t ppp_hdlc_handle, ppp_handle;
|
|
|
|
/*
|
|
* Get a handle for the CHDLC dissector.
|
|
*/
|
|
chdlc_handle = find_dissector("chdlc");
|
|
data_handle = find_dissector("data");
|
|
|
|
ppp_handle = find_dissector("ppp");
|
|
dissector_add_uint("fr.nlpid", NLPID_PPP, ppp_handle);
|
|
|
|
ppp_hdlc_handle = find_dissector("ppp_hdlc");
|
|
dissector_add_uint("wtap_encap", WTAP_ENCAP_PPP, ppp_hdlc_handle);
|
|
dissector_add_uint("wtap_encap", WTAP_ENCAP_PPP_WITH_PHDR,
|
|
ppp_hdlc_handle);
|
|
dissector_add_uint("sll.ltype", LINUX_SLL_P_PPPHDLC, ppp_hdlc_handle);
|
|
dissector_add_uint("osinl.excl", NLPID_PPP, ppp_handle);
|
|
dissector_add_uint("gre.proto", ETHERTYPE_PPP, ppp_hdlc_handle);
|
|
}
|
|
|
|
void
|
|
proto_register_mp(void)
|
|
{
|
|
static hf_register_info hf[] = {
|
|
{ &hf_mp_frag_first,
|
|
{ "First fragment", "mp.first", FT_BOOLEAN, 8,
|
|
TFS(&tfs_yes_no), MP_FRAG_FIRST, NULL, HFILL }},
|
|
{ &hf_mp_frag_last,
|
|
{ "Last fragment", "mp.last", FT_BOOLEAN, 8,
|
|
TFS(&tfs_yes_no), MP_FRAG_LAST, NULL, HFILL }},
|
|
{ &hf_mp_sequence_num,
|
|
{ "Sequence number", "mp.seq", FT_UINT24, BASE_DEC,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_mp_sequence_num_reserved,
|
|
{ "Reserved", "mp.sequence_num_reserved", FT_BOOLEAN, 8,
|
|
NULL, MP_FRAG_RESERVED, NULL, HFILL }},
|
|
{ &hf_mp_short_sequence_num,
|
|
{ "Short Sequence number", "mp.sseq", FT_UINT16, BASE_DEC,
|
|
NULL, 0x0FFF, NULL, HFILL }},
|
|
{ &hf_mp_short_sequence_num_reserved,
|
|
{ "Reserved", "mp.short_sequence_num_reserved", FT_BOOLEAN, 8,
|
|
NULL, MP_FRAG_RESERVED_SHORT, NULL, HFILL }},
|
|
};
|
|
static gint *ett[] = {
|
|
&ett_mp,
|
|
&ett_mp_flags
|
|
};
|
|
|
|
module_t *mp_module;
|
|
|
|
proto_mp = proto_register_protocol("PPP Multilink Protocol", "PPP MP",
|
|
"mp");
|
|
proto_register_field_array(proto_mp, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
|
|
/* Register the preferences for the PPP multilink protocol */
|
|
mp_module = prefs_register_protocol(proto_mp, NULL);
|
|
|
|
prefs_register_bool_preference(mp_module, "short_seqno",
|
|
"Short sequence numbers",
|
|
"Whether PPP Multilink frames use 12-bit sequence numbers",
|
|
&mp_short_seqno);
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_mp(void)
|
|
{
|
|
dissector_handle_t mp_handle;
|
|
|
|
mp_handle = create_dissector_handle(dissect_mp, proto_mp);
|
|
dissector_add_uint("ppp.protocol", PPP_MP, mp_handle);
|
|
}
|
|
|
|
void
|
|
proto_register_lcp(void)
|
|
{
|
|
static hf_register_info hf[] = {
|
|
{ &hf_lcp_magic_number,
|
|
{ "Magic Number", "lcp.magic_number", FT_UINT32, BASE_HEX,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_lcp_data,
|
|
{ "Data", "lcp.data", FT_BYTES, BASE_NONE,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_lcp_message,
|
|
{ "Message", "lcp.message", FT_STRING, BASE_NONE,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_lcp_secs_remaining,
|
|
{ "Seconds Remaining", "lcp.secs_remaining", FT_UINT32, BASE_DEC,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_lcp_rej_proto,
|
|
{ "Rejected Protocol", "lcp.rej_proto", FT_UINT16,
|
|
BASE_HEX | BASE_EXT_STRING, &ppp_vals_ext, 0x0, NULL, HFILL }},
|
|
{ &hf_lcp_opt_type,
|
|
{ "Type", "lcp.opt.type", FT_UINT8, BASE_DEC,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_lcp_opt_length,
|
|
{ "Length", "lcp.opt.length", FT_UINT8, BASE_DEC,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_lcp_opt_oui,
|
|
{ "OUI", "lcp.opt.oui", FT_UINT24, BASE_HEX,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_lcp_opt_kind,
|
|
{ "Kind", "lcp.opt.kind", FT_UINT8, BASE_DEC_HEX,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_lcp_opt_data,
|
|
{ "Data", "lcp.opt.data", FT_BYTES, BASE_NONE,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_lcp_opt_mru,
|
|
{ "Maximum Receive Unit", "lcp.opt.mru", FT_UINT16, BASE_DEC,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_lcp_opt_asyncmap,
|
|
{ "Async Control Character Map", "lcp.opt.asyncmap", FT_UINT32,
|
|
BASE_HEX, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_lcp_opt_asyncmap_nul,
|
|
{ "NUL", "lcp.opt.asyncmap.nul", FT_BOOLEAN, 32,
|
|
NULL, 0x00000001, NULL, HFILL }},
|
|
{ &hf_lcp_opt_asyncmap_soh,
|
|
{ "SOH", "lcp.opt.asyncmap.soh", FT_BOOLEAN, 32,
|
|
NULL, 0x00000002, NULL, HFILL }},
|
|
{ &hf_lcp_opt_asyncmap_stx,
|
|
{ "STX", "lcp.opt.asyncmap.stx", FT_BOOLEAN, 32,
|
|
NULL, 0x00000004, NULL, HFILL }},
|
|
{ &hf_lcp_opt_asyncmap_etx,
|
|
{ "ETX", "lcp.opt.asyncmap.etx", FT_BOOLEAN, 32,
|
|
NULL, 0x00000008, NULL, HFILL }},
|
|
{ &hf_lcp_opt_asyncmap_eot,
|
|
{ "EOT", "lcp.opt.asyncmap.eot", FT_BOOLEAN, 32,
|
|
NULL, 0x00000010, NULL, HFILL }},
|
|
{ &hf_lcp_opt_asyncmap_enq,
|
|
{ "ENQ", "lcp.opt.asyncmap.enq", FT_BOOLEAN, 32,
|
|
NULL, 0x00000020, NULL, HFILL }},
|
|
{ &hf_lcp_opt_asyncmap_ack,
|
|
{ "ACK", "lcp.opt.asyncmap.ack", FT_BOOLEAN, 32,
|
|
NULL, 0x00000040, NULL, HFILL }},
|
|
{ &hf_lcp_opt_asyncmap_bel,
|
|
{ "BEL", "lcp.opt.asyncmap.bel", FT_BOOLEAN, 32,
|
|
NULL, 0x00000080, NULL, HFILL }},
|
|
{ &hf_lcp_opt_asyncmap_bs,
|
|
{ "BS", "lcp.opt.asyncmap.bs", FT_BOOLEAN, 32,
|
|
NULL, 0x00000100, NULL, HFILL }},
|
|
{ &hf_lcp_opt_asyncmap_ht,
|
|
{ "HT", "lcp.opt.asyncmap.ht", FT_BOOLEAN, 32,
|
|
NULL, 0x00000200, NULL, HFILL }},
|
|
{ &hf_lcp_opt_asyncmap_lf,
|
|
{ "LF", "lcp.opt.asyncmap.lf", FT_BOOLEAN, 32,
|
|
NULL, 0x00000400, NULL, HFILL }},
|
|
{ &hf_lcp_opt_asyncmap_vt,
|
|
{ "VT", "lcp.opt.asyncmap.vt", FT_BOOLEAN, 32,
|
|
NULL, 0x00000800, NULL, HFILL }},
|
|
{ &hf_lcp_opt_asyncmap_ff,
|
|
{ "FF", "lcp.opt.asyncmap.ff", FT_BOOLEAN, 32,
|
|
NULL, 0x00001000, NULL, HFILL }},
|
|
{ &hf_lcp_opt_asyncmap_cr,
|
|
{ "CR", "lcp.opt.asyncmap.cr", FT_BOOLEAN, 32,
|
|
NULL, 0x00002000, NULL, HFILL }},
|
|
{ &hf_lcp_opt_asyncmap_so,
|
|
{ "SO", "lcp.opt.asyncmap.so", FT_BOOLEAN, 32,
|
|
NULL, 0x00004000, NULL, HFILL }},
|
|
{ &hf_lcp_opt_asyncmap_si,
|
|
{ "SI", "lcp.opt.asyncmap.si", FT_BOOLEAN, 32,
|
|
NULL, 0x00008000, NULL, HFILL }},
|
|
{ &hf_lcp_opt_asyncmap_dle,
|
|
{ "DLE", "lcp.opt.asyncmap.dle", FT_BOOLEAN, 32,
|
|
NULL, 0x00010000, NULL, HFILL }},
|
|
{ &hf_lcp_opt_asyncmap_dc1,
|
|
{ "DC1 (XON)", "lcp.opt.asyncmap.dc1", FT_BOOLEAN, 32,
|
|
NULL, 0x00020000, NULL, HFILL }},
|
|
{ &hf_lcp_opt_asyncmap_dc2,
|
|
{ "DC2", "lcp.opt.asyncmap.dc2", FT_BOOLEAN, 32,
|
|
NULL, 0x00040000, NULL, HFILL }},
|
|
{ &hf_lcp_opt_asyncmap_dc3,
|
|
{ "DC3 (XOFF)", "lcp.opt.asyncmap.dc3", FT_BOOLEAN, 32,
|
|
NULL, 0x00080000, NULL, HFILL }},
|
|
{ &hf_lcp_opt_asyncmap_dc4,
|
|
{ "DC4", "lcp.opt.asyncmap.dc4", FT_BOOLEAN, 32,
|
|
NULL, 0x00100000, NULL, HFILL }},
|
|
{ &hf_lcp_opt_asyncmap_nak,
|
|
{ "NAK", "lcp.opt.asyncmap.nak", FT_BOOLEAN, 32,
|
|
NULL, 0x00200000, NULL, HFILL }},
|
|
{ &hf_lcp_opt_asyncmap_syn,
|
|
{ "SYN", "lcp.opt.asyncmap.syn", FT_BOOLEAN, 32,
|
|
NULL, 0x00400000, NULL, HFILL }},
|
|
{ &hf_lcp_opt_asyncmap_etb,
|
|
{ "ETB", "lcp.opt.asyncmap.etb", FT_BOOLEAN, 32,
|
|
NULL, 0x00800000, NULL, HFILL }},
|
|
{ &hf_lcp_opt_asyncmap_can,
|
|
{ "CAN", "lcp.opt.asyncmap.can", FT_BOOLEAN, 32,
|
|
NULL, 0x01000000, NULL, HFILL }},
|
|
{ &hf_lcp_opt_asyncmap_em,
|
|
{ "EM", "lcp.opt.asyncmap.em", FT_BOOLEAN, 32,
|
|
NULL, 0x02000000, NULL, HFILL }},
|
|
{ &hf_lcp_opt_asyncmap_sub,
|
|
{ "SUB", "lcp.opt.asyncmap.sub", FT_BOOLEAN, 32,
|
|
NULL, 0x04000000, NULL, HFILL }},
|
|
{ &hf_lcp_opt_asyncmap_esc,
|
|
{ "ESC", "lcp.opt.asyncmap.esc", FT_BOOLEAN, 32,
|
|
NULL, 0x08000000, NULL, HFILL }},
|
|
{ &hf_lcp_opt_asyncmap_fs,
|
|
{ "FS", "lcp.opt.asyncmap.fs", FT_BOOLEAN, 32,
|
|
NULL, 0x10000000, NULL, HFILL }},
|
|
{ &hf_lcp_opt_asyncmap_gs,
|
|
{ "GS", "lcp.opt.asyncmap.gs", FT_BOOLEAN, 32,
|
|
NULL, 0x20000000, NULL, HFILL }},
|
|
{ &hf_lcp_opt_asyncmap_rs,
|
|
{ "RS", "lcp.opt.asyncmap.rs", FT_BOOLEAN, 32,
|
|
NULL, 0x40000000, NULL, HFILL }},
|
|
{ &hf_lcp_opt_asyncmap_us,
|
|
{ "US", "lcp.opt.asyncmap.us", FT_BOOLEAN, 32,
|
|
NULL, 0x80000000, NULL, HFILL }},
|
|
{ &hf_lcp_opt_auth_protocol,
|
|
{ "Authentication Protocol", "lcp.opt.auth_protocol", FT_UINT16,
|
|
BASE_HEX | BASE_EXT_STRING, &ppp_vals_ext, 0x0, NULL, HFILL }},
|
|
{ &hf_lcp_opt_algorithm,
|
|
{ "Algorithm", "lcp.opt.algorithm", FT_UINT8,
|
|
BASE_DEC | BASE_RANGE_STRING, &chap_alg_rvals,
|
|
0x0, NULL, HFILL }},
|
|
{ &hf_lcp_opt_quality_protocol,
|
|
{ "Quality Protocol", "lcp.opt.quality_protocol", FT_UINT16,
|
|
BASE_HEX | BASE_EXT_STRING, &ppp_vals_ext, 0x0, NULL, HFILL }},
|
|
{ &hf_lcp_opt_magic_number,
|
|
{ "Magic Number", "lcp.opt.magic_number", FT_UINT32, BASE_HEX,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_lcp_opt_reportingperiod,
|
|
{ "Reporting Period", "lcp.opt.reporting_period", FT_UINT32,
|
|
BASE_DEC, NULL, 0x0,
|
|
"Maximum time in micro-seconds that the remote end should "
|
|
"wait between transmission of LCP Link-Quality-Report packets",
|
|
HFILL }},
|
|
{ &hf_lcp_opt_fcs_alternatives,
|
|
{ "FCS Alternatives", "lcp.opt.fcs_alternatives", FT_UINT8,
|
|
BASE_HEX, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_lcp_opt_fcs_alternatives_null,
|
|
{ "NULL FCS", "lcp.opt.fcs_alternatives.null", FT_BOOLEAN, 8,
|
|
NULL, 0x01, NULL, HFILL }},
|
|
{ &hf_lcp_opt_fcs_alternatives_ccitt16,
|
|
{ "CCITT 16-bit", "lcp.opt.fcs_alternatives.ccitt16", FT_BOOLEAN,
|
|
8, NULL, 0x02, NULL, HFILL }},
|
|
{ &hf_lcp_opt_fcs_alternatives_ccitt32,
|
|
{ "CCITT 32-bit", "lcp.opt.fcs_alternatives.ccitt32", FT_BOOLEAN,
|
|
8, NULL, 0x04, NULL, HFILL }},
|
|
{ &hf_lcp_opt_maximum,
|
|
{ "Maximum", "lcp.opt.maximum", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"The largest number of padding octets which may be added "
|
|
"to the frame.", HFILL }},
|
|
{ &hf_lcp_opt_window,
|
|
{ "Window", "lcp.opt.window", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"The number of frames the receiver will buffer.", HFILL }},
|
|
{ &hf_lcp_opt_hdlc_address,
|
|
{ "Address", "lcp.opt.hdlc_address", FT_BYTES, BASE_NONE, NULL,
|
|
0x0, "An HDLC Address as specified in ISO 3309.", HFILL }},
|
|
{ &hf_lcp_opt_operation,
|
|
{ "Operation", "lcp.opt.operation", FT_UINT8, BASE_DEC,
|
|
VALS(callback_op_vals), 0x0, NULL, HFILL }},
|
|
{ &hf_lcp_opt_message,
|
|
{ "Message", "lcp.opt.message", FT_BYTES, BASE_NONE,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_lcp_opt_mrru,
|
|
{ "MRRU", "lcp.opt.mrru", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"Maximum Receive Reconstructed Unit", HFILL }},
|
|
{ &hf_lcp_opt_ep_disc_class,
|
|
{ "Class", "lcp.opt.ep_disc_class", FT_UINT8, BASE_DEC,
|
|
VALS(multilink_ep_disc_class_vals), 0x0, NULL, HFILL }},
|
|
{ &hf_lcp_opt_ip_address,
|
|
{ "IP Address", "lcp.opt.ip_address", FT_IPv4, BASE_NONE,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_lcp_opt_802_1_address,
|
|
{ "IEEE 802.1 Address", "lcp.opt.802_1_address", FT_ETHER,
|
|
BASE_NONE, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_lcp_opt_magic_block,
|
|
{ "PPP Magic-Number Block", "lcp.opt.magic_block", FT_BYTES,
|
|
BASE_NONE, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_lcp_opt_psndn,
|
|
{ "Public Switched Network Directory Number", "lcp.opt.psndn",
|
|
FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_lcp_opt_mode,
|
|
{ "Mode", "lcp.opt.mode", FT_UINT8, BASE_DEC,
|
|
VALS(dce_id_mode_vals), 0x0, NULL, HFILL }},
|
|
{ &hf_lcp_opt_unused,
|
|
{ "Unused", "lcp.opt.unused", FT_BYTES, BASE_NONE,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_lcp_opt_link_discrim,
|
|
{ "Link Discriminator", "lcp.opt.link_discrim", FT_UINT16,
|
|
BASE_DEC_HEX, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_lcp_opt_id,
|
|
{ "Identification", "lcp.opt.id", FT_UINT_BYTES, BASE_NONE,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_lcp_opt_cobs_flags,
|
|
{ "Flags", "lcp.opt.flags", FT_UINT8, BASE_HEX,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_lcp_opt_cobs_flags_res,
|
|
{ "Reserved", "lcp.opt.flags.reserved", FT_UINT8, BASE_HEX,
|
|
NULL, 0xFC, NULL, HFILL }},
|
|
{ &hf_lcp_opt_cobs_flags_pre,
|
|
{ "PRE", "lcp.opt.flags.pre", FT_BOOLEAN, 8,
|
|
NULL, 0x02, "Preemption", HFILL }},
|
|
{ &hf_lcp_opt_cobs_flags_zxe,
|
|
{ "ZXE", "lcp.opt.flags.zxe", FT_BOOLEAN, 8,
|
|
NULL, 0x01, "Zero pair/run elimination", HFILL }},
|
|
{ &hf_lcp_opt_class,
|
|
{ "Class", "lcp.opt.class", FT_UINT8, BASE_DEC,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_lcp_opt_prefix,
|
|
{ "Prefix", "lcp.opt.prefix", FT_UINT_BYTES, BASE_NONE,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_lcp_opt_code,
|
|
{ "Code", "lcp.opt.code", FT_UINT8, BASE_DEC,
|
|
VALS(ml_hdr_fmt_code_vals), 0x0, NULL, HFILL }},
|
|
{ &hf_lcp_opt_max_susp_classes,
|
|
{ "Max suspendable classes", "lcp.opt.max_susp_classes",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_lcp_opt_MIBenum,
|
|
{ "MIBenum", "lcp.opt.MIBenum", FT_UINT32,
|
|
BASE_DEC | BASE_EXT_STRING, &charset_vals_ext, 0x0,
|
|
"A unique integer value identifying a charset", HFILL }},
|
|
{ &hf_lcp_opt_language_tag,
|
|
{ "Language-Tag", "lcp.opt.language_tag", FT_STRING, BASE_NONE,
|
|
NULL, 0x0, NULL, HFILL }}
|
|
};
|
|
|
|
static gint *ett[] = {
|
|
&ett_lcp,
|
|
&ett_lcp_options,
|
|
&ett_lcp_vendor_opt,
|
|
&ett_lcp_mru_opt,
|
|
&ett_lcp_asyncmap_opt,
|
|
&ett_lcp_authprot_opt,
|
|
&ett_lcp_qualprot_opt,
|
|
&ett_lcp_magicnumber_opt,
|
|
&ett_lcp_linkqualmon_opt,
|
|
&ett_lcp_pcomp_opt,
|
|
&ett_lcp_acccomp_opt,
|
|
&ett_lcp_fcs_alternatives_opt,
|
|
&ett_lcp_self_desc_pad_opt,
|
|
&ett_lcp_numbered_mode_opt,
|
|
&ett_lcp_callback_opt,
|
|
&ett_lcp_compound_frames_opt,
|
|
&ett_lcp_nomdataencap_opt,
|
|
&ett_lcp_multilink_mrru_opt,
|
|
&ett_lcp_multilink_ssnh_opt,
|
|
&ett_lcp_multilink_ep_disc_opt,
|
|
&ett_lcp_magic_block,
|
|
&ett_lcp_dce_identifier_opt,
|
|
&ett_lcp_multilink_pp_opt,
|
|
&ett_lcp_bacp_link_discrim_opt,
|
|
&ett_lcp_auth_opt,
|
|
&ett_lcp_cobs_opt,
|
|
&ett_lcp_prefix_elision_opt,
|
|
&ett_multilink_hdr_fmt_opt,
|
|
&ett_lcp_internationalization_opt,
|
|
&ett_lcp_simple_opt
|
|
};
|
|
|
|
proto_lcp = proto_register_protocol("PPP Link Control Protocol", "PPP LCP",
|
|
"lcp");
|
|
proto_register_field_array(proto_lcp, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_lcp(void)
|
|
{
|
|
dissector_handle_t lcp_handle;
|
|
|
|
lcp_handle = create_dissector_handle(dissect_lcp, proto_lcp);
|
|
dissector_add_uint("ppp.protocol", PPP_LCP, lcp_handle);
|
|
|
|
/*
|
|
* NDISWAN on Windows translates Ethernet frames from higher-level
|
|
* protocols into PPP frames to hand to the PPP driver, and translates
|
|
* PPP frames from the PPP driver to hand to the higher-level protocols.
|
|
*
|
|
* Apparently the PPP driver, on at least some versions of Windows,
|
|
* passes frames for internal-to-PPP protocols up through NDISWAN;
|
|
* the protocol type field appears to be passed through unchanged
|
|
* (unlike what's done with, for example, the protocol type field
|
|
* for IP, which is mapped from its PPP value to its Ethernet value).
|
|
*
|
|
* This means that we may see, on Ethernet captures, frames for
|
|
* protocols internal to PPP, so we register PPP_LCP with the
|
|
* "ethertype" dissector table as well as the PPP protocol dissector
|
|
* table.
|
|
*/
|
|
dissector_add_uint("ethertype", PPP_LCP, lcp_handle);
|
|
|
|
/*
|
|
* for GSM-A / MobileL3 / GPRS SM / PCO
|
|
*/
|
|
dissector_add_uint("sm_pco.protocol", PPP_LCP, lcp_handle);
|
|
}
|
|
|
|
void
|
|
proto_register_vsncp(void)
|
|
{
|
|
static gint *ett[] = {
|
|
&ett_vsncp,
|
|
&ett_vsncp_options
|
|
};
|
|
|
|
proto_vsncp = proto_register_protocol("Vendor Specific Control Protocol",
|
|
"VSNCP", "vsncp");
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_vsncp(void)
|
|
{
|
|
dissector_handle_t vsncp_handle;
|
|
|
|
vsncp_handle = create_dissector_handle(dissect_vsncp, proto_vsncp);
|
|
dissector_add_uint("ppp.protocol", PPP_VSNCP, vsncp_handle);
|
|
}
|
|
|
|
void
|
|
proto_register_vsnp(void)
|
|
{
|
|
static gint *ett[] = {
|
|
&ett_vsnp
|
|
};
|
|
|
|
static hf_register_info hf[] = {
|
|
{ &hf_vsnp_pdnid,
|
|
{ "PDN ID", "vsnp.pdnid", FT_UINT8, BASE_HEX,
|
|
NULL, 0x0, NULL, HFILL }}
|
|
};
|
|
|
|
proto_vsnp = proto_register_protocol("Vendor Specific Network Protocol",
|
|
"PPP VSNP", "vsnp");
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
proto_register_field_array(proto_vsnp, hf, array_length(hf));
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_vsnp(void)
|
|
{
|
|
dissector_handle_t vsnp_handle;
|
|
|
|
vsnp_handle = create_dissector_handle(dissect_vsnp, proto_vsnp);
|
|
dissector_add_uint("ppp.protocol", PPP_VSNP, vsnp_handle);
|
|
}
|
|
|
|
void
|
|
proto_register_ipcp(void)
|
|
{
|
|
static hf_register_info hf[] = {
|
|
{ &hf_ipcp_opt_type,
|
|
{ "Type", "ipcp.opt.type", FT_UINT8, BASE_DEC,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_ipcp_opt_length,
|
|
{ "Length", "ipcp.opt.length", FT_UINT8, BASE_DEC,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_ipcp_opt_src_address,
|
|
{ "Source IP Address", "ipcp.opt.src_address", FT_IPv4, BASE_NONE,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_ipcp_opt_dst_address,
|
|
{ "Destination IP Address", "ipcp.opt.dst_address", FT_IPv4,
|
|
BASE_NONE, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_ipcp_opt_compress_proto,
|
|
{ "IP Compression Protocol", "ipcp.opt.compress_proto", FT_UINT16,
|
|
BASE_HEX, VALS(ipcp_compress_proto_vals), 0x0, NULL, HFILL }},
|
|
{ &hf_ipcp_opt_max_cid,
|
|
{ "Max CID", "ipcp.opt.max_cid", FT_UINT16, BASE_DEC,
|
|
NULL, 0x0, "Maximum value of a context identifier", HFILL }},
|
|
{ &hf_ipcp_opt_mrru,
|
|
{ "MRRU", "ipcp.opt.mrru", FT_UINT16, BASE_DEC,
|
|
NULL, 0x0, "Maximum Reconstructed Reception Unit", HFILL }},
|
|
{ &hf_ipcp_opt_max_slot_id,
|
|
{ "Max Slot ID", "ipcp.opt.max_slot_id", FT_UINT8, BASE_DEC,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_ipcp_opt_comp_slot_id,
|
|
{ "Comp Slot ID", "ipcp.opt.comp_slot_id", FT_BOOLEAN, 8,
|
|
TFS(&tfs_comp_slot_id), 0x01, NULL, HFILL }},
|
|
{ &hf_ipcp_opt_tcp_space,
|
|
{ "TCP Space", "ipcp.opt.tcp_space", FT_UINT16, BASE_DEC,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_ipcp_opt_non_tcp_space,
|
|
{ "Non TCP Space", "ipcp.opt.non_tcp_space", FT_UINT16, BASE_DEC,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_ipcp_opt_f_max_period,
|
|
{ "F Max Period", "ipcp.opt.f_max_period", FT_UINT16, BASE_DEC,
|
|
NULL, 0x0, "Maximum interval between full headers", HFILL }},
|
|
{ &hf_ipcp_opt_f_max_time,
|
|
{ "F Max Time", "ipcp.opt.f_max_time", FT_UINT16, BASE_DEC, NULL,
|
|
0x0, "Maximum time interval between full headers", HFILL }},
|
|
{ &hf_ipcp_opt_max_header,
|
|
{ "Max Header", "ipcp.opt.max_header", FT_UINT16, BASE_DEC, NULL,
|
|
0x0,
|
|
"The largest header size in octets that may be compressed",
|
|
HFILL }},
|
|
{ &hf_ipcp_data,
|
|
{ "Data", "ipcp.data", FT_BYTES, BASE_NONE,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_ipcp_opt_ip_address,
|
|
{ "IP Address", "ipcp.opt.ip_address", FT_IPv4, BASE_NONE,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_ipcp_opt_mobilenodehomeaddr,
|
|
{ "Mobile Node's Home Address", "ipcp.opt.mobilenodehomeaddress",
|
|
FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_ipcp_opt_pri_dns_address,
|
|
{ "Primary DNS Address", "ipcp.opt.pri_dns_address",
|
|
FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_ipcp_opt_pri_nbns_address,
|
|
{ "Primary NBNS Address", "ipcp.opt.pri_nbns_address",
|
|
FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_ipcp_opt_sec_dns_address,
|
|
{ "Secondary DNS Address", "ipcp.opt.sec_dns_address",
|
|
FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_ipcp_opt_sec_nbns_address,
|
|
{ "Secondary NBNS Address", "ipcp.opt.sec_nbns_address",
|
|
FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_ipcp_opt_rohc_type,
|
|
{ "Type", "ipcp.opt.rohc.type", FT_UINT8, BASE_DEC,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_ipcp_opt_rohc_length,
|
|
{ "Length", "ipcp.opt.rohc.length", FT_UINT8, BASE_DEC,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_ipcp_opt_rohc_profile,
|
|
{ "Profile", "ipcp.opt.rohc.profile", FT_UINT16, BASE_HEX,
|
|
VALS(ipcp_rohc_profile_vals), 0x0, NULL, HFILL }},
|
|
{ &hf_ipcp_opt_iphc_type,
|
|
{ "Type", "ipcp.opt.iphc.type", FT_UINT8, BASE_DEC,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_ipcp_opt_iphc_length,
|
|
{ "Length", "ipcp.opt.iphc.length", FT_UINT8, BASE_DEC,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_ipcp_opt_iphc_param,
|
|
{ "Parameter", "ipcp.opt.iphc.param", FT_UINT8, BASE_DEC,
|
|
VALS(ipcp_iphc_parameter_vals), 0x0, NULL, HFILL }}
|
|
};
|
|
|
|
static gint *ett[] = {
|
|
&ett_ipcp,
|
|
&ett_ipcp_options,
|
|
&ett_ipcp_ipaddrs_opt,
|
|
&ett_ipcp_compress_opt,
|
|
&ett_ipcp_ipaddr_opt,
|
|
&ett_ipcp_mobileipv4_opt,
|
|
&ett_ipcp_pridns_opt,
|
|
&ett_ipcp_secdns_opt,
|
|
&ett_ipcp_prinbns_opt,
|
|
&ett_ipcp_secnbns_opt,
|
|
&ett_ipcp_iphc_rtp_compress_opt,
|
|
&ett_ipcp_iphc_enhanced_rtp_compress_opt,
|
|
&ett_ipcp_iphc_neghdrcomp_opt,
|
|
&ett_ipcp_rohc_profiles_opt
|
|
};
|
|
|
|
proto_ipcp = proto_register_protocol("PPP IP Control Protocol", "PPP IPCP",
|
|
"ipcp");
|
|
proto_register_field_array(proto_ipcp, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_ipcp(void)
|
|
{
|
|
dissector_handle_t ipcp_handle;
|
|
|
|
ipcp_handle = create_dissector_handle(dissect_ipcp, proto_ipcp);
|
|
dissector_add_uint("ppp.protocol", PPP_IPCP, ipcp_handle);
|
|
|
|
/*
|
|
* See above comment about NDISWAN for an explanation of why we're
|
|
* registering with the "ethertype" dissector table.
|
|
*/
|
|
dissector_add_uint("ethertype", PPP_IPCP, ipcp_handle);
|
|
|
|
/*
|
|
* for GSM-A / MobileL3 / GPRS SM / PCO
|
|
*/
|
|
dissector_add_uint("sm_pco.protocol", PPP_IPCP, ipcp_handle);
|
|
}
|
|
|
|
void
|
|
proto_register_bcp(void)
|
|
{
|
|
static hf_register_info hf[] = {
|
|
{ &hf_bcp_flags,
|
|
{ "Flags", "bcp.flags", FT_UINT8, BASE_HEX,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_bcp_fcs_present,
|
|
{ "LAN FCS present", "bcp.flags.fcs_present", FT_BOOLEAN, 8,
|
|
TFS(&tfs_yes_no), BCP_FCS_PRESENT, NULL, HFILL }},
|
|
{ &hf_bcp_zeropad,
|
|
{ "802.3 pad zero-filled", "bcp.flags.zeropad", FT_BOOLEAN, 8,
|
|
TFS(&tfs_yes_no), BCP_ZEROPAD, NULL, HFILL }},
|
|
{ &hf_bcp_bcontrol,
|
|
{ "Bridge control", "bcp.flags.bcontrol", FT_BOOLEAN, 8,
|
|
TFS(&tfs_yes_no), BCP_IS_BCONTROL, NULL, HFILL }},
|
|
{ &hf_bcp_pads,
|
|
{ "Pads", "bcp.pads", FT_UINT8, BASE_DEC,
|
|
NULL, BCP_PADS_MASK, NULL, HFILL }},
|
|
{ &hf_bcp_mac_type,
|
|
{ "MAC Type", "bcp.mac_type", FT_UINT8, BASE_DEC,
|
|
VALS(bcp_mac_type_vals), 0x0, NULL, HFILL }}
|
|
};
|
|
|
|
static gint *ett[] = {
|
|
&ett_bcp,
|
|
&ett_bcp_flags
|
|
};
|
|
|
|
proto_bcp = proto_register_protocol("PPP Bridging Control Protocol",
|
|
"PPP BCP", "bcp");
|
|
proto_register_field_array(proto_bcp, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
}
|
|
|
|
void
|
|
proto_register_osinlcp(void)
|
|
{
|
|
static hf_register_info hf[] = {
|
|
{ &hf_osinlcp_opt_type,
|
|
{ "Type", "osinlcp.opt.type", FT_UINT8, BASE_DEC,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_osinlcp_opt_length,
|
|
{ "Length", "osinlcp.opt.length", FT_UINT8, BASE_DEC,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_osinlcp_opt_alignment,
|
|
{ "Alignment", "osinlcp.opt.alignment", FT_UINT8, BASE_DEC,
|
|
NULL, 0x0, NULL, HFILL }}
|
|
};
|
|
|
|
static gint *ett[] = {
|
|
&ett_osinlcp,
|
|
&ett_osinlcp_options,
|
|
&ett_osinlcp_align_npdu_opt
|
|
};
|
|
|
|
proto_osinlcp = proto_register_protocol(
|
|
"PPP OSI Network Layer Control Protocol", "PPP OSINLCP", "osinlcp");
|
|
proto_register_field_array(proto_osinlcp, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_bcp(void)
|
|
{
|
|
dissector_handle_t bcp_handle;
|
|
|
|
eth_withfcs_handle = find_dissector("eth_withfcs");
|
|
eth_withoutfcs_handle = find_dissector("eth_withoutfcs");
|
|
|
|
bcp_handle = create_dissector_handle(dissect_bcp, proto_bcp);
|
|
dissector_add_uint("ppp.protocol", PPP_BCP, bcp_handle);
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_osinlcp(void)
|
|
{
|
|
dissector_handle_t osinlcp_handle;
|
|
|
|
osinlcp_handle = create_dissector_handle(dissect_osinlcp, proto_osinlcp);
|
|
dissector_add_uint("ppp.protocol", PPP_OSINLCP, osinlcp_handle);
|
|
|
|
/*
|
|
* See above comment about NDISWAN for an explanation of why we're
|
|
* registering with the "ethertype" dissector table.
|
|
*/
|
|
dissector_add_uint("ethertype", PPP_OSINLCP, osinlcp_handle);
|
|
}
|
|
|
|
void
|
|
proto_register_ccp(void)
|
|
{
|
|
static hf_register_info hf[] = {
|
|
{ &hf_ccp_opt_type,
|
|
{ "Type", "ccp.opt.type", FT_UINT8, BASE_DEC,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_ccp_opt_length,
|
|
{ "Length", "ccp.opt.length", FT_UINT8, BASE_DEC,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_ccp_opt_oui,
|
|
{ "OUI", "ccp.opt.oui", FT_UINT24, BASE_HEX,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_ccp_opt_subtype,
|
|
{ "Subtype", "ccp.opt.subtype", FT_UINT8, BASE_DEC_HEX,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_ccp_opt_history_count,
|
|
{ "History Count", "ccp.opt.history_count", FT_UINT16, BASE_DEC,
|
|
NULL, 0x0, "The maximum number of compression histories",
|
|
HFILL }},
|
|
{ &hf_ccp_opt_cm,
|
|
{ "Check Mode Field", "ccp.opt.cm", FT_UINT8, BASE_DEC,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_ccp_opt_cm_reserved,
|
|
{ "Reserved", "ccp.opt.cm.reserved", FT_UINT8, BASE_DEC,
|
|
NULL, 0xF8, NULL, HFILL }},
|
|
{ &hf_ccp_opt_cm_check_mode,
|
|
{ "Check Mode", "ccp.opt.cm.check_mode", FT_UINT8, BASE_DEC,
|
|
VALS(stac_checkmode_vals), 0x07, NULL, HFILL }},
|
|
{ &hf_ccp_opt_supported_bits,
|
|
{ "Supported Bits", "ccp.opt.supported_bits", FT_UINT32, BASE_HEX,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_ccp_opt_supported_bits_h,
|
|
{ "H", "ccp.opt.supported_bits.h", FT_BOOLEAN, 32,
|
|
TFS(&ccp_mppe_h_tfs), MPPE_SUPPORTED_BITS_H, NULL, HFILL }},
|
|
{ &hf_ccp_opt_supported_bits_m,
|
|
{ "M", "ccp.opt.supported_bits.m", FT_BOOLEAN, 32,
|
|
TFS(&ccp_mppe_m_tfs), MPPE_SUPPORTED_BITS_M, NULL, HFILL }},
|
|
{ &hf_ccp_opt_supported_bits_s,
|
|
{ "S", "ccp.opt.supported_bits.s", FT_BOOLEAN, 32,
|
|
TFS(&ccp_mppe_s_tfs), MPPE_SUPPORTED_BITS_S, NULL, HFILL }},
|
|
{ &hf_ccp_opt_supported_bits_l,
|
|
{ "L", "ccp.opt.supported_bits.l", FT_BOOLEAN, 32,
|
|
TFS(&ccp_mppe_l_tfs), MPPE_SUPPORTED_BITS_L, NULL, HFILL }},
|
|
{ &hf_ccp_opt_supported_bits_d,
|
|
{ "D", "ccp.opt.supported_bits.d", FT_BOOLEAN, 32,
|
|
TFS(&ccp_mppe_d_tfs), MPPE_SUPPORTED_BITS_D, NULL, HFILL }},
|
|
{ &hf_ccp_opt_supported_bits_c,
|
|
{ "C", "ccp.opt.supported_bits.c", FT_BOOLEAN, 32,
|
|
TFS(&ccp_mppe_c_tfs), MPPC_SUPPORTED_BITS_C, NULL, HFILL }},
|
|
{ &hf_ccp_opt_history,
|
|
{ "History", "ccp.opt.history", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"Maximum size of the compression history in powers of 2",
|
|
HFILL }},
|
|
{ &hf_ccp_opt_version,
|
|
{ "Version", "ccp.opt.version", FT_BYTES, BASE_NONE,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_ccp_opt_vd,
|
|
{ "Vers/Dict", "ccp.opt.vd", FT_UINT8, BASE_HEX,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_ccp_opt_vd_vers,
|
|
{ "Vers", "ccp.opt.vd.vers", FT_UINT8, BASE_DEC,
|
|
NULL, 0xE0, NULL, HFILL }},
|
|
{ &hf_ccp_opt_vd_dict,
|
|
{ "Dict", "ccp.opt.vd.dict", FT_UINT8, BASE_DEC, NULL,
|
|
0x1F, "The size in bits of the largest code used", HFILL }},
|
|
{ &hf_ccp_opt_check_mode,
|
|
{ "Check Mode", "ccp.opt.check_mode", FT_UINT8, BASE_DEC,
|
|
VALS(lzsdcp_checkmode_vals), 0x0, NULL, HFILL }},
|
|
{ &hf_ccp_opt_process_mode,
|
|
{ "Process Mode", "ccp.opt.process_mode", FT_UINT8, BASE_DEC,
|
|
VALS(lzsdcp_processmode_vals), 0x0, NULL, HFILL }},
|
|
{ &hf_ccp_opt_fe,
|
|
{ "Features", "ccp.opt.fe", FT_UINT8, BASE_DEC,
|
|
NULL, 0xC0, NULL, HFILL }},
|
|
{ &hf_ccp_opt_p,
|
|
{ "Packet by Packet flag", "ccp.opt.p", FT_BOOLEAN, 8,
|
|
TFS(&tfs_enabled_disabled), 0x20, NULL, HFILL }},
|
|
{ &hf_ccp_opt_History,
|
|
{ "History", "ccp.opt.History", FT_UINT8, BASE_DEC,
|
|
NULL, 0x1F, NULL, HFILL }},
|
|
{ &hf_ccp_opt_contexts,
|
|
{ "# Contexts", "ccp.opt.contexts", FT_UINT8, BASE_DEC,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_ccp_opt_mode,
|
|
{ "Mode", "ccp.opt.mode", FT_UINT8, BASE_DEC,
|
|
VALS(dce_mode_vals), 0x0, NULL, HFILL }},
|
|
{ &hf_ccp_opt_window,
|
|
{ "Window", "ccp.opt.window", FT_UINT8, BASE_DEC,
|
|
NULL, 0xF0, NULL, HFILL }},
|
|
{ &hf_ccp_opt_method,
|
|
{ "Method", "ccp.opt.method", FT_UINT8, BASE_DEC,
|
|
VALS(deflate_method_vals), 0x0F, NULL, HFILL }},
|
|
{ &hf_ccp_opt_mbz,
|
|
{ "MBZ", "ccp.opt.mbz", FT_UINT8, BASE_DEC,
|
|
NULL, 0xFC, NULL, HFILL }},
|
|
{ &hf_ccp_opt_chk,
|
|
{ "Chk", "ccp.opt.chk", FT_UINT8, BASE_DEC,
|
|
VALS(deflate_chk_vals), 0x03, NULL, HFILL }},
|
|
{ &hf_ccp_opt_mode_dictcount,
|
|
{ "Mode/Dictionary Count", "ccp.opt.mode_dictcount", FT_UINT16,
|
|
BASE_DEC | BASE_RANGE_STRING, RVALS(v44lzjh_mode_dict_rvals),
|
|
0x0, NULL, HFILL }},
|
|
{ &hf_ccp_opt_dict_size,
|
|
{ "Dictionary Size", "ccp.opt.dict_size", FT_UINT16, BASE_DEC,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_ccp_opt_history_length,
|
|
{ "History Length", "ccp.opt.history_length", FT_UINT16, BASE_DEC,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_ccp_opt_data,
|
|
{ "Data", "ccp.opt.data", FT_BYTES, BASE_NONE,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
};
|
|
static gint *ett[] = {
|
|
&ett_ccp,
|
|
&ett_ccp_options,
|
|
&ett_ccp_oui_opt,
|
|
&ett_ccp_predict1_opt,
|
|
&ett_ccp_predict2_opt,
|
|
&ett_ccp_puddle_opt,
|
|
&ett_ccp_hpppc_opt,
|
|
&ett_ccp_stac_opt,
|
|
&ett_ccp_stac_opt_check_mode,
|
|
&ett_ccp_mppe_opt,
|
|
&ett_ccp_mppe_opt_supp_bits,
|
|
&ett_ccp_gfza_opt,
|
|
&ett_ccp_v42bis_opt,
|
|
&ett_ccp_bsdcomp_opt,
|
|
&ett_ccp_lzsdcp_opt,
|
|
&ett_ccp_mvrca_opt,
|
|
&ett_ccp_dce_opt,
|
|
&ett_ccp_deflate_opt,
|
|
&ett_ccp_v44lzjh_opt
|
|
};
|
|
|
|
proto_ccp = proto_register_protocol("PPP Compression Control Protocol",
|
|
"PPP CCP", "ccp");
|
|
proto_register_field_array(proto_ccp, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_ccp(void)
|
|
{
|
|
dissector_handle_t ccp_handle;
|
|
|
|
ccp_handle = create_dissector_handle(dissect_ccp, proto_ccp);
|
|
dissector_add_uint("ppp.protocol", PPP_CCP, ccp_handle);
|
|
|
|
/*
|
|
* See above comment about NDISWAN for an explanation of why we're
|
|
* registering with the "ethertype" dissector table.
|
|
*/
|
|
dissector_add_uint("ethertype", PPP_CCP, ccp_handle);
|
|
}
|
|
|
|
void
|
|
proto_register_cbcp(void)
|
|
{
|
|
static gint *ett[] = {
|
|
&ett_cbcp,
|
|
&ett_cbcp_options,
|
|
&ett_cbcp_callback_opt,
|
|
&ett_cbcp_callback_opt_addr
|
|
};
|
|
|
|
proto_cbcp = proto_register_protocol("PPP Callback Control Protocol",
|
|
"PPP CBCP", "cbcp");
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_cbcp(void)
|
|
{
|
|
dissector_handle_t cbcp_handle;
|
|
|
|
cbcp_handle = create_dissector_handle(dissect_cbcp, proto_cbcp);
|
|
dissector_add_uint("ppp.protocol", PPP_CBCP, cbcp_handle);
|
|
|
|
/*
|
|
* See above comment about NDISWAN for an explanation of why we're
|
|
* registering with the "ethertype" dissector table.
|
|
*/
|
|
dissector_add_uint("ethertype", PPP_CBCP, cbcp_handle);
|
|
}
|
|
|
|
void
|
|
proto_register_bacp(void)
|
|
{
|
|
static gint *ett[] = {
|
|
&ett_bacp,
|
|
&ett_bacp_options,
|
|
&ett_bacp_favored_peer_opt
|
|
};
|
|
|
|
proto_bacp = proto_register_protocol(
|
|
"PPP Bandwidth Allocation Control Protocol", "PPP BACP", "bacp");
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_bacp(void)
|
|
{
|
|
dissector_handle_t bacp_handle;
|
|
|
|
bacp_handle = create_dissector_handle(dissect_bacp, proto_bacp);
|
|
dissector_add_uint("ppp.protocol", PPP_BACP, bacp_handle);
|
|
|
|
/*
|
|
* See above comment about NDISWAN for an explanation of why we're
|
|
* registering with the "ethertype" dissector table.
|
|
*/
|
|
dissector_add_uint("ethertype", PPP_BACP, bacp_handle);
|
|
}
|
|
|
|
void
|
|
proto_register_bap(void)
|
|
{
|
|
static gint *ett[] = {
|
|
&ett_bap,
|
|
&ett_bap_options,
|
|
&ett_bap_link_type_opt,
|
|
&ett_bap_phone_delta_opt,
|
|
&ett_bap_phone_delta_subopt,
|
|
&ett_bap_call_status_opt
|
|
};
|
|
|
|
proto_bap = proto_register_protocol("PPP Bandwidth Allocation Protocol",
|
|
"PPP BAP", "bap");
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_bap(void)
|
|
{
|
|
dissector_handle_t bap_handle;
|
|
|
|
bap_handle = create_dissector_handle(dissect_bap, proto_bap);
|
|
dissector_add_uint("ppp.protocol", PPP_BAP, bap_handle);
|
|
|
|
/*
|
|
* See above comment about NDISWAN for an explanation of why we're
|
|
* registering with the "ethertype" dissector table.
|
|
*/
|
|
dissector_add_uint("ethertype", PPP_BAP, bap_handle);
|
|
}
|
|
|
|
void
|
|
proto_register_comp_data(void)
|
|
{
|
|
#if 0 /* See dissect_comp_data() */
|
|
static gint *ett[] = {
|
|
&ett_comp_data
|
|
};
|
|
#endif
|
|
|
|
proto_comp_data = proto_register_protocol("PPP Compressed Datagram",
|
|
"PPP Comp", "comp_data");
|
|
#if 0
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
#endif
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_comp_data(void)
|
|
{
|
|
dissector_handle_t comp_data_handle;
|
|
|
|
comp_data_handle = create_dissector_handle(dissect_comp_data,
|
|
proto_comp_data);
|
|
dissector_add_uint("ppp.protocol", PPP_COMP, comp_data_handle);
|
|
|
|
/*
|
|
* See above comment about NDISWAN for an explanation of why we're
|
|
* registering with the "ethertype" dissector table.
|
|
*/
|
|
dissector_add_uint("ethertype", PPP_COMP, comp_data_handle);
|
|
}
|
|
|
|
void
|
|
proto_register_pap(void)
|
|
{
|
|
static gint *ett[] = {
|
|
&ett_pap,
|
|
&ett_pap_data
|
|
};
|
|
|
|
static hf_register_info hf[] = {
|
|
{ &hf_pap_code,
|
|
{ "Code", "pap.code", FT_UINT8, BASE_DEC, VALS(pap_vals), 0x0,
|
|
"The Code field is one octet and identifies the type of PAP "
|
|
"packet", HFILL }},
|
|
{ &hf_pap_identifier,
|
|
{ "Identifier", "pap.identifier", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"The Identifier field is one octet and aids in matching "
|
|
"requests and replies.", HFILL }},
|
|
{ &hf_pap_length,
|
|
{ "Length", "pap.length", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"The Length field is two octets and indicates the length of "
|
|
"the PAP packet", HFILL }},
|
|
{ &hf_pap_data,
|
|
{ "Data", "pap.data", FT_NONE, BASE_NONE, NULL, 0x0,
|
|
"The format of the Data field is determined by the Code field",
|
|
HFILL }},
|
|
{ &hf_pap_peer_id_length,
|
|
{ "Peer-ID-Length", "pap.peer_id.length",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"The Peer-ID-Length field is one octet and indicates the "
|
|
"length of the Peer-ID field", HFILL }},
|
|
{ &hf_pap_peer_id,
|
|
{ "Peer-ID", "pap.peer_id", FT_STRING, BASE_NONE, NULL, 0x0,
|
|
"The Peer-ID field is zero or more octets and indicates the "
|
|
"name of the peer to be authenticated", HFILL }},
|
|
{ &hf_pap_password_length,
|
|
{ "Password-Length", "pap.password.length",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"The Password-Length field is one octet and indicates the "
|
|
"length of the Password field", HFILL }},
|
|
{ &hf_pap_password,
|
|
{ "Password", "pap.password", FT_STRING, BASE_NONE, NULL, 0x0,
|
|
"The Password field is zero or more octets and indicates the "
|
|
"password to be used for authentication", HFILL }},
|
|
{ &hf_pap_message_length,
|
|
{ "Message-Length", "pap.message.length",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"The Message-Length field is one octet and indicates the "
|
|
"length of the Message field", HFILL }},
|
|
{ &hf_pap_message,
|
|
{ "Message", "pap.message", FT_STRING, BASE_NONE, NULL, 0x0,
|
|
"The Message field is zero or more octets, and its contents "
|
|
"are implementation dependent.", HFILL }},
|
|
{ &hf_pap_stuff,
|
|
{ "stuff", "pap.stuff", FT_BYTES, BASE_NONE,
|
|
NULL, 0x0, NULL, HFILL }}
|
|
};
|
|
|
|
proto_pap = proto_register_protocol("PPP Password Authentication Protocol",
|
|
"PPP PAP", "pap");
|
|
proto_register_field_array(proto_pap, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_pap(void)
|
|
{
|
|
dissector_handle_t pap_handle;
|
|
|
|
pap_handle = create_dissector_handle(dissect_pap, proto_pap);
|
|
dissector_add_uint("ppp.protocol", PPP_PAP, pap_handle);
|
|
|
|
/*
|
|
* See above comment about NDISWAN for an explanation of why we're
|
|
* registering with the "ethertype" dissector table.
|
|
*/
|
|
dissector_add_uint("ethertype", PPP_PAP, pap_handle);
|
|
|
|
/*
|
|
* for GSM-A / MobileL3 / GPRS SM / PCO
|
|
*/
|
|
dissector_add_uint("sm_pco.protocol", PPP_PAP, pap_handle);
|
|
}
|
|
|
|
void
|
|
proto_register_chap(void)
|
|
{
|
|
static gint *ett[] = {
|
|
&ett_chap,
|
|
&ett_chap_data
|
|
};
|
|
|
|
static hf_register_info hf[] = {
|
|
{ &hf_chap_code,
|
|
{ "Code", "chap.code", FT_UINT8, BASE_DEC, VALS(chap_vals), 0x0,
|
|
"CHAP code", HFILL }},
|
|
{ &hf_chap_identifier,
|
|
{ "Identifier", "chap.identifier", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"CHAP identifier", HFILL }},
|
|
{ &hf_chap_length,
|
|
{ "Length", "chap.length", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"CHAP length", HFILL }},
|
|
{ &hf_chap_data,
|
|
{ "Data", "chap.data", FT_NONE, BASE_NONE, NULL, 0x0,
|
|
"CHAP Data", HFILL }},
|
|
{ &hf_chap_value_size,
|
|
{ "Value Size", "chap.value_size", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"CHAP value size", HFILL }},
|
|
{ &hf_chap_value,
|
|
{ "Value", "chap.value", FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
"CHAP value data", HFILL }},
|
|
{ &hf_chap_name,
|
|
{ "Name", "chap.name", FT_STRING, BASE_NONE, NULL, 0x0,
|
|
"CHAP name", HFILL }},
|
|
{ &hf_chap_message,
|
|
{ "Message", "chap.message", FT_STRING, BASE_NONE, NULL, 0x0,
|
|
"CHAP message", HFILL }}
|
|
};
|
|
|
|
proto_chap = proto_register_protocol(
|
|
"PPP Challenge Handshake Authentication Protocol", "PPP CHAP", "chap");
|
|
proto_register_field_array(proto_chap, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_chap(void)
|
|
{
|
|
dissector_handle_t chap_handle = create_dissector_handle(dissect_chap,
|
|
proto_chap);
|
|
dissector_add_uint("ppp.protocol", PPP_CHAP, chap_handle);
|
|
|
|
/*
|
|
* See above comment about NDISWAN for an explanation of why we're
|
|
* registering with the "ethertype" dissector table.
|
|
*/
|
|
dissector_add_uint("ethertype", PPP_CHAP, chap_handle);
|
|
|
|
/*
|
|
* for GSM-A / MobileL3 / GPRS SM / PCO
|
|
*/
|
|
dissector_add_uint("sm_pco.protocol", PPP_CHAP, chap_handle);
|
|
}
|
|
|
|
void
|
|
proto_register_pppmuxcp(void)
|
|
{
|
|
static hf_register_info hf[] = {
|
|
{ &hf_pppmux_flags_pid,
|
|
{ "PID", "pppmuxcp.flags.pid", FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x80,
|
|
NULL, HFILL }},
|
|
{ &hf_pppmux_flags_field_length,
|
|
{ "Length field", "pppmuxcp.flags.field_length", FT_BOOLEAN, 8, TFS(&tfs_pppmux_length_field), 0x40,
|
|
NULL, HFILL }},
|
|
};
|
|
|
|
static gint *ett[] = {
|
|
&ett_pppmuxcp,
|
|
&ett_pppmuxcp_options
|
|
};
|
|
|
|
proto_pppmuxcp = proto_register_protocol("PPPMux Control Protocol",
|
|
"PPP PPPMuxCP", "pppmuxcp");
|
|
proto_register_field_array(proto_pppmuxcp, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
}
|
|
|
|
|
|
void
|
|
proto_reg_handoff_pppmuxcp(void)
|
|
{
|
|
dissector_handle_t muxcp_handle;
|
|
|
|
muxcp_handle = create_dissector_handle(dissect_pppmuxcp, proto_pppmuxcp);
|
|
dissector_add_uint("ppp.protocol", PPP_MUXCP, muxcp_handle);
|
|
|
|
/*
|
|
* See above comment about NDISWAN for an explanation of why we're
|
|
* registering with the "ethertype" dissector table.
|
|
*/
|
|
dissector_add_uint("ethertype", PPP_MUXCP, muxcp_handle);
|
|
}
|
|
|
|
|
|
void
|
|
proto_register_pppmux(void)
|
|
{
|
|
static hf_register_info hf[] = {
|
|
{ &hf_pppmux_protocol,
|
|
{ "Protocol", "pppmux.protocol", FT_UINT16,
|
|
BASE_HEX|BASE_EXT_STRING, &ppp_vals_ext, 0x0,
|
|
"The protocol of the sub-frame.", HFILL }}
|
|
};
|
|
|
|
static gint *ett[] = {
|
|
&ett_pppmux,
|
|
&ett_pppmux_subframe,
|
|
&ett_pppmux_subframe_hdr,
|
|
&ett_pppmux_subframe_flags,
|
|
&ett_pppmux_subframe_info
|
|
};
|
|
|
|
proto_pppmux = proto_register_protocol("PPP Multiplexing", "PPP PPPMux",
|
|
"pppmux");
|
|
proto_register_field_array(proto_pppmux, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_pppmux(void)
|
|
{
|
|
dissector_handle_t pppmux_handle;
|
|
|
|
pppmux_handle = create_dissector_handle(dissect_pppmux, proto_pppmux);
|
|
dissector_add_uint("ppp.protocol", PPP_MUX, pppmux_handle);
|
|
|
|
/*
|
|
* See above comment about NDISWAN for an explanation of why we're
|
|
* registering with the "ethertype" dissector table.
|
|
*/
|
|
dissector_add_uint("ethertype", PPP_MUX, pppmux_handle);
|
|
}
|
|
|
|
void
|
|
proto_register_mplscp(void)
|
|
{
|
|
static gint *ett[] = {
|
|
&ett_mplscp,
|
|
&ett_mplscp_options
|
|
};
|
|
|
|
proto_mplscp = proto_register_protocol("PPP MPLS Control Protocol",
|
|
"PPP MPLSCP", "mplscp");
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_mplscp(void)
|
|
{
|
|
dissector_handle_t mplscp_handle;
|
|
|
|
mplscp_handle = create_dissector_handle(dissect_mplscp, proto_mplscp);
|
|
dissector_add_uint("ppp.protocol", PPP_MPLSCP, mplscp_handle);
|
|
|
|
/*
|
|
* See above comment about NDISWAN for an explanation of why we're
|
|
* registering with the "ethertype" dissector table.
|
|
*/
|
|
dissector_add_uint("ethertype", PPP_MPLSCP, mplscp_handle);
|
|
}
|
|
|
|
void
|
|
proto_register_cdpcp(void)
|
|
{
|
|
static gint *ett[] = {
|
|
&ett_cdpcp,
|
|
&ett_cdpcp_options
|
|
};
|
|
|
|
proto_cdpcp = proto_register_protocol("PPP CDP Control Protocol",
|
|
"PPP CDPCP", "cdpcp");
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_cdpcp(void)
|
|
{
|
|
dissector_handle_t cdpcp_handle;
|
|
|
|
cdpcp_handle = create_dissector_handle(dissect_cdpcp, proto_cdpcp);
|
|
dissector_add_uint("ppp.protocol", PPP_CDPCP, cdpcp_handle);
|
|
|
|
/*
|
|
* See above comment about NDISWAN for an explanation of why we're
|
|
* registering with the "ethertype" dissector table.
|
|
*/
|
|
dissector_add_uint("ethertype", PPP_CDPCP, cdpcp_handle);
|
|
}
|
|
|
|
void
|
|
proto_register_ipv6cp(void)
|
|
{
|
|
static gint *ett[] = {
|
|
&ett_ipv6cp,
|
|
&ett_ipv6cp_options,
|
|
&ett_ipv6cp_if_id_opt,
|
|
&ett_ipv6cp_compress_opt
|
|
};
|
|
|
|
proto_ipv6cp = proto_register_protocol("PPP IPv6 Control Protocol",
|
|
"PPP IPV6CP", "ipv6cp");
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_ipv6cp(void)
|
|
{
|
|
dissector_handle_t ipv6cp_handle;
|
|
|
|
ipv6cp_handle = create_dissector_handle(dissect_ipv6cp, proto_ipv6cp);
|
|
dissector_add_uint("ppp.protocol", PPP_IPV6CP, ipv6cp_handle);
|
|
|
|
/*
|
|
* See above comment about NDISWAN for an explanation of why we're
|
|
* registering with the "ethertype" dissector table.
|
|
*/
|
|
dissector_add_uint("ethertype", PPP_IPV6CP, ipv6cp_handle);
|
|
|
|
/*
|
|
* for GSM-A / MobileL3 / GPRS SM / PCO
|
|
*/
|
|
dissector_add_uint("sm_pco.protocol", PPP_IPV6CP, ipv6cp_handle);
|
|
}
|
|
|
|
void
|
|
proto_register_iphc_crtp(void)
|
|
{
|
|
static hf_register_info hf[] = {
|
|
{ &hf_iphc_crtp_cid16,
|
|
{ "Context Id", "crtp.cid", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"The context identifier of the compressed packet.", HFILL }},
|
|
{ &hf_iphc_crtp_cid8,
|
|
{ "Context Id", "crtp.cid", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"The context identifier of the compressed packet.", HFILL }},
|
|
{ &hf_iphc_crtp_gen,
|
|
{ "Generation", "crtp.gen", FT_UINT8, BASE_DEC, NULL, 0x3f,
|
|
"The generation of the compressed packet.", HFILL }},
|
|
{ &hf_iphc_crtp_seq,
|
|
{ "Sequence", "crtp.seq", FT_UINT8, BASE_DEC, NULL, 0x0f,
|
|
"The sequence of the compressed packet.", HFILL }},
|
|
{ &hf_iphc_crtp_fh_flags,
|
|
{ "Flags", "crtp.fh_flags", FT_UINT8, BASE_HEX, VALS(iphc_crtp_fh_flags),
|
|
0xc0, "The flags of the full header packet.", HFILL }},
|
|
{ &hf_iphc_crtp_cs_flags,
|
|
{ "Flags", "crtp.cs_flags", FT_UINT8, BASE_DEC, VALS(iphc_crtp_cs_flags),
|
|
0x0, "The flags of the context state packet.", HFILL }},
|
|
{ &hf_iphc_crtp_cs_cnt,
|
|
{ "Count", "crtp.cnt", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"The count of the context state packet.", HFILL }},
|
|
{ &hf_iphc_crtp_cs_invalid,
|
|
{ "Invalid", "crtp.invalid", FT_BOOLEAN, 8, NULL, 0x80,
|
|
"The invalid bit of the context state packet.", HFILL }}
|
|
};
|
|
|
|
static gint *ett[] = {
|
|
&ett_iphc_crtp,
|
|
&ett_iphc_crtp_hdr,
|
|
&ett_iphc_crtp_info
|
|
};
|
|
|
|
proto_iphc_crtp = proto_register_protocol("CRTP", "CRTP", "crtp");
|
|
proto_register_field_array(proto_iphc_crtp, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_iphc_crtp(void)
|
|
{
|
|
dissector_handle_t fh_handle;
|
|
dissector_handle_t cudp16_handle;
|
|
dissector_handle_t cudp8_handle;
|
|
dissector_handle_t cs_handle;
|
|
|
|
fh_handle = create_dissector_handle(dissect_iphc_crtp_fh, proto_iphc_crtp);
|
|
dissector_add_uint("ppp.protocol", PPP_RTP_FH, fh_handle);
|
|
|
|
cudp16_handle = create_dissector_handle(dissect_iphc_crtp_cudp16,
|
|
proto_iphc_crtp);
|
|
dissector_add_uint("ppp.protocol", PPP_RTP_CUDP16, cudp16_handle);
|
|
|
|
cudp8_handle = create_dissector_handle(dissect_iphc_crtp_cudp8,
|
|
proto_iphc_crtp);
|
|
dissector_add_uint("ppp.protocol", PPP_RTP_CUDP8, cudp8_handle);
|
|
|
|
cs_handle = create_dissector_handle(dissect_iphc_crtp_cs, proto_iphc_crtp);
|
|
dissector_add_uint("ppp.protocol", PPP_RTP_CS, cs_handle);
|
|
|
|
/*
|
|
* See above comment about NDISWAN for an explanation of why we're
|
|
* registering with the "ethertype" dissector table.
|
|
*/
|
|
dissector_add_uint("ethertype", PPP_RTP_FH, fh_handle);
|
|
dissector_add_uint("ethertype", PPP_RTP_CUDP16, cudp16_handle);
|
|
dissector_add_uint("ethertype", PPP_RTP_CUDP8, cudp16_handle);
|
|
dissector_add_uint("ethertype", PPP_RTP_CS, cs_handle);
|
|
}
|
|
|
|
/*
|
|
* Editor modelines - http://www.wireshark.org/tools/modelines.html
|
|
*
|
|
* Local variables:
|
|
* c-basic-offset: 4
|
|
* tab-width: 8
|
|
* indent-tabs-mode: nil
|
|
* End:
|
|
*
|
|
* vi: set shiftwidth=4 tabstop=8 expandtab:
|
|
* :indentSize=4:tabSize=8:noTabs=true:
|
|
*/
|