From Shivesh Makharia:
I had written the VSNCP/VSNP which are specific to the CDMA community and wanted to contribute this to Wireshark development. svn path=/trunk/; revision=31739
This commit is contained in:
Jaap Keuter
parent
3b41224975
commit
469b2966f6
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@ -82,6 +82,20 @@ static gint ett_ipcp_ipaddrs_opt = -1;
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static gint ett_ipcp_compress_opt = -1;
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static gint ett_ipcp_iphc_disableprot_opt = -1;
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static int proto_vsncp = -1;
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static gint ett_vsncp = -1;
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static gint ett_vsncp_options = -1;
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static int proto_vsnp = -1;
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static gint hf_vsnp = -1;
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static gint hf_vsnp_header = -1;
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static gint hf_vsnp_type = -1;
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static gint hf_vsnp_data = -1;
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static gint ett_vsnp =-1;
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static gint ett_vsnp_pdnid = -1;
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static int proto_osicp = -1;
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static gint ett_osicp = -1;
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@ -941,6 +955,134 @@ static const ip_tcp_opt lcp_opts[] = {
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#define N_LCP_OPTS (sizeof lcp_opts / sizeof lcp_opts[0])
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/*
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* Options. (VSNCP)
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*/
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#define CI_PDN_IDENTIFIER 1
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#define CI_ACCESS_POINT_NM 2
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#define CI_PDN_TYPE 3
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#define CI_PDN_ADDRESS 4
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#define CI_PROTOCOL_CONFIG 5
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#define CI_ERROR_CODE 6
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#define CI_ATTACH_TYPE 7
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#define CI_IPv4DEFAULT_ROUTER 8
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#define CI_ADDRESS_ALLOC 9
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#define CI_APN_AMBR 10
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static void dissect_vsncp_pdnid_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
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int offset, guint length, packet_info *pinfo,
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proto_tree *tree);
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static void dissect_vsncp_apname_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
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int offset, guint length, packet_info *pinfo,
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proto_tree *tree);
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static void dissect_vsncp_pdntype_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
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int offset, guint length, packet_info *pinfo,
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proto_tree *tree);
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static void dissect_vsncp_pdnaddress_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
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int offset, guint length, packet_info *pinfo,
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proto_tree *tree);
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static void dissect_vsncp_pco_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
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int offset, guint length, packet_info *pinfo,
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proto_tree *tree);
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static void dissect_vsncp_errorcode_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
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int offset, guint length, packet_info *pinfo,
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proto_tree *tree);
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static void dissect_vsncp_attachtype_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
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int offset, guint length, packet_info *pinfo,
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proto_tree *tree);
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static void dissect_vsncp_ipv4adress_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
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int offset, guint length, packet_info *pinfo,
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proto_tree *tree);
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static void dissect_vsncp_addressalloc_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
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int offset, guint length, packet_info *pinfo,
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proto_tree *tree);
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static const ip_tcp_opt vsncp_opts[] = {
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{
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CI_PDN_IDENTIFIER,
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"PDN Identifier",
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NULL,
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FIXED_LENGTH,
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3,
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dissect_vsncp_pdnid_opt
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},
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{
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CI_ACCESS_POINT_NM,
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"Access Point Name",
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NULL,
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VARIABLE_LENGTH,
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2,
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dissect_vsncp_apname_opt
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},
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{
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CI_PDN_TYPE,
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"PDN Type",
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NULL,
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FIXED_LENGTH,
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3,
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dissect_vsncp_pdntype_opt
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},
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{
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CI_PDN_ADDRESS,
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"PDN Address",
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NULL,
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VARIABLE_LENGTH,
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3,
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dissect_vsncp_pdnaddress_opt
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},
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{
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CI_PROTOCOL_CONFIG,
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"Protocol Configuration Options",
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NULL,
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VARIABLE_LENGTH,
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3,
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dissect_vsncp_pco_opt
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},
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{
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CI_ERROR_CODE,
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"Error Code",
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NULL,
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FIXED_LENGTH,
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3,
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dissect_vsncp_errorcode_opt
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},
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{
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CI_ATTACH_TYPE,
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"Attach Type",
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NULL,
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FIXED_LENGTH,
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3,
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dissect_vsncp_attachtype_opt
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},
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{
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CI_IPv4DEFAULT_ROUTER,
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"IPv4 Default Router Address",
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NULL,
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FIXED_LENGTH,
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6,
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dissect_vsncp_ipv4adress_opt
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},
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{
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CI_ADDRESS_ALLOC,
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"Address Allocation Cause",
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NULL,
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FIXED_LENGTH,
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3,
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dissect_vsncp_addressalloc_opt
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},
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{
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CI_APN_AMBR,
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"APN-AMBR",
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NULL,
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VARIABLE_LENGTH,
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4,
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NULL
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}
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};
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#define N_VSNCP_OPTS (sizeof vsncp_opts / sizeof vsncp_opts[0])
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/*
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* CHAP Algorithms
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*/
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@ -2632,6 +2774,268 @@ dissect_bap_call_status_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
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val_to_str(action, bap_call_status_opt_action_vals, "Unknown"), action);
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}
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static void dissect_vsncp_pdnid_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
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int offset, guint length, packet_info *pinfo _U_,
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proto_tree *tree)
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{
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proto_item *tf;
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guint8 PDNID;
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PDNID = tvb_get_guint8(tvb, offset + 2);
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tf = proto_tree_add_text(tree, tvb, offset, length, "%s: 0x%02x",
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optp->name, PDNID);
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offset += 2;
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}
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static void dissect_vsncp_attachtype_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
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int offset, guint length, packet_info *pinfo _U_,
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proto_tree *tree)
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{
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static const value_string attach_vals[] =
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{
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{1, "Initial Attach" },
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{3, "Handover Attach"},
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{0, NULL }
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};
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guint8 attach;
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attach = tvb_get_guint8(tvb, offset + 2);
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if(tree)
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{
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proto_tree_add_text(tree, tvb, offset, length, "%s: %s (0x%02x)",
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optp->name, val_to_str(attach , attach_vals, "Unknown"), attach);
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}
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offset += 2;
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}
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static void dissect_vsncp_pdntype_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
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int offset, guint length, packet_info *pinfo _U_,
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proto_tree *tree)
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{
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static const value_string pdntype_vals[] =
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{
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{1, "IPv4" },
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{2, "IPv6" },
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{3, "IPv6/IPv4" },
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{0, NULL }
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};
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guint8 pdntype;
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pdntype = tvb_get_guint8(tvb, offset + 2);
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if(tree)
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{
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proto_tree_add_text(tree, tvb, offset, length, "%s: %s (0x%02x)",
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optp->name, val_to_str(pdntype, pdntype_vals, "Unknown"), pdntype);
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}
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offset += 2;
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}
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static void dissect_vsncp_errorcode_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
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int offset, guint length, packet_info *pinfo _U_,
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proto_tree *tree)
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{
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static const value_string errorcode_vals[] =
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{
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{0, "General Eror" },
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{1, "Unauthorized APN" },
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{2, "PDN Limit Exceeded" },
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{3, "NO PG-W Available" },
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{4, "P-GW Unreachable" },
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{5, "P-GW Reject" },
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{6, "Insufficient Parameters" },
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{7, "Resource Unavailable" },
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{8, "Admin Prohibited" },
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{9, "PDN-ID Already in Use" },
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{10, "Subscription Limitation" },
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{11, "PDN connection already exists for APN"},
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{0, NULL }
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};
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guint8 pdntype;
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pdntype = tvb_get_guint8(tvb, offset + 2);
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if(tree)
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{
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proto_tree_add_text(tree, tvb, offset, length, "%s: %s (0x%02x)",
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optp->name, val_to_str(pdntype, errorcode_vals, "Unknown"), pdntype);
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}
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offset += 2;
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}
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static void dissect_vsncp_pdnaddress_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
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int offset, guint length, packet_info *pinfo _U_,
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proto_tree *tree)
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{
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guint8 pdnaddtype;
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static const value_string pdntype_vals[] =
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{
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{0, "Initial Request by UE" },
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{1, "IPv4 Address" },
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{2, "IPv6 Address" },
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{3, "IPv6/IPv4 Address" },
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{0, NULL }
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};
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proto_item *tf;
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proto_tree *field_tree;
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tf = proto_tree_add_text(tree, tvb, offset, length,
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"%s: (%d byte%s)", optp->name, length, plurality(length, "", "s"));
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field_tree = proto_item_add_subtree(tf, ett_lcp_options);
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pdnaddtype = tvb_get_guint8(tvb, offset + 2);
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proto_tree_add_text(field_tree, tvb, offset+2, 1, "PDN Type (%s): 0x%02x",
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val_to_str(pdnaddtype, pdntype_vals, "Unknown"), pdnaddtype);
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switch (pdnaddtype)
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{
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case 1:
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proto_tree_add_text(field_tree, tvb, offset+3, length-3, "%s: %s",
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val_to_str(pdnaddtype, pdntype_vals, "Unknown"),
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ip_to_str(tvb_get_ptr(tvb, offset + 3, 4)));
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break;
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case 2:
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{
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struct e_in6_addr *ad = ep_alloc0(sizeof (struct e_in6_addr));
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tvb_memcpy(tvb, &ad->bytes[8], offset+3, 8);
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proto_tree_add_text(field_tree, tvb, offset+3, length-3, "%s: %s",
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val_to_str(pdnaddtype, pdntype_vals, "Unknown"), ip6_to_str(ad));
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break;
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}
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case 3:
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{
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struct e_in6_addr *ad = ep_alloc0(sizeof (struct e_in6_addr));
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tvb_memcpy(tvb, &ad->bytes[8], offset+3, 8);
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proto_tree_add_text(field_tree, tvb, offset+3, length-3, "%s: %s",
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val_to_str(pdnaddtype, pdntype_vals, "Unknown"), ip6_to_str(ad));
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proto_tree_add_text(field_tree, tvb, offset+11, length-11, "%s: %s",
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val_to_str(pdnaddtype, pdntype_vals, "Unknown"),
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ip_to_str(tvb_get_ptr(tvb, offset + 11, 4)));
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break;
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}
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default:
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break;
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}
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offset += 2;
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}
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static void dissect_vsncp_ipv4adress_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
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int offset, guint length, packet_info *pinfo _U_,
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proto_tree *tree)
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{
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proto_tree_add_text(tree, tvb, offset, length, "%s: %s", optp->name,
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ip_to_str(tvb_get_ptr(tvb, offset + 2, 4)));
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offset += 2;
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}
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static void dissect_vsncp_apname_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
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int offset, guint length, packet_info *pinfo _U_,
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proto_tree *tree)
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{
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proto_item *tf;
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proto_tree *field_tree;
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tf = proto_tree_add_text(tree, tvb, offset, length,
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"%s: (%d byte%s)", optp->name, length, plurality(length, "", "s"));
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field_tree = proto_item_add_subtree(tf, ett_lcp_options);
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if(length>2)
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{
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guint8 i = 0;
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guint8 j = 1;
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guint8 lengthofapn;
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int off = offset+2;
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while(i<(length-2))
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{
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lengthofapn = tvb_get_guint8(tvb, off);
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off = off+1;
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proto_tree_add_text(field_tree, tvb, off, lengthofapn,
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"Label%d (%d byte%s): %s", j, lengthofapn, plurality(lengthofapn, "", "s"),
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tvb_format_text(tvb, off, lengthofapn));
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off = off+lengthofapn;
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i = i+lengthofapn+1;
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j++;
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}
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}
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}
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static void dissect_vsncp_addressalloc_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
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int offset, guint length, packet_info *pinfo _U_,
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proto_tree *tree)
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{
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static const value_string alloc_vals[] =
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{
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{0, "Null Value (Attach or Handover)" },
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{18, "New PDN type due to network preference" },
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{255, "Success" },
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{0, NULL }
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};
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guint8 alloc;
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alloc = tvb_get_guint8(tvb, offset + 2);
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if(tree)
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{
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proto_tree_add_text(tree, tvb, offset, length, "%s: %s (0x%02x)",
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optp->name, val_to_str(alloc, alloc_vals, "Unknown"), alloc);
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}
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offset += 2;
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}
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static void dissect_vsncp_pco_opt(const ip_tcp_opt *optp, tvbuff_t *tvb,
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int offset, guint length, packet_info *pinfo _U_,
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proto_tree *tree)
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{
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static const value_string pco_vals[] =
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{
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{0x8021, "IPCP (DNS Address Request)" },
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{0x0001, "P-CSCF Address Request (IPv6)" },
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{0x0003, "DNS Server Address (IPv6)" },
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{0x000A, "IP address allocation via NAS signalling" },
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{0, NULL }
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};
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int off = offset+3;
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guint8 i = 0;
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guint16 pcotype;
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guint8 len;
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proto_item *tf;
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proto_tree *field_tree;
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tf = proto_tree_add_text(tree, tvb, offset, length,
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"%s: (%d byte%s)", optp->name, length, plurality(length, "", "s"));
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field_tree = proto_item_add_subtree(tf, ett_lcp_options);
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while(i<length-3)
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{
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pcotype = tvb_get_ntohs(tvb, off);
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len = tvb_get_guint8(tvb, (off+2));
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proto_tree_add_text(field_tree, tvb, off,2, "Protocol: %s (0x%02x)",
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val_to_str(pcotype, pco_vals, "Unknown"), pcotype);
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proto_tree_add_text(field_tree, tvb, off+2,1, "Length:(0x%02x)", len);
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if(len >0)
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proto_tree_add_text(field_tree, tvb, off+3,len, "Data (%d byte%s)", len, plurality(len, "", "s"));
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off = off+3+len;
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i = i+3+len;
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}
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}
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static void
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dissect_cp( tvbuff_t *tvb, int proto_id, int proto_subtree_index,
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const value_string *proto_vals, int options_subtree_index,
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@ -2861,6 +3265,103 @@ dissect_lcp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
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lcp_opts, N_LCP_OPTS, pinfo, tree);
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}
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static void
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dissect_vsncp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
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{
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proto_item *ti;
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proto_tree *fh_tree = NULL;
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proto_item *tf;
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proto_tree *field_tree;
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guint8 code;
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guint8 id;
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int length, offset;
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int OUI;
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static const value_string OUI_vals[] =
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{
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{0xcf0002, "3GPP2 Unique Organization Number" },
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{0, NULL }
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};
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code = tvb_get_guint8(tvb, 0);
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id = tvb_get_guint8(tvb, 1);
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length = tvb_get_ntohs(tvb, 2);
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OUI = tvb_get_ntoh24(tvb, 4);
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|
||||
col_set_str(pinfo->cinfo, COL_PROTOCOL, "VSNCP");
|
||||
col_add_str(pinfo->cinfo, COL_INFO, val_to_str(code, cp_vals, "Unknown"));
|
||||
|
||||
if(tree)
|
||||
{
|
||||
ti = proto_tree_add_item(tree, proto_vsncp, tvb, 0, length, FALSE);
|
||||
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(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_text(fh_tree, tvb, 4, 3, "OUI: %s (0x%02x)", val_to_str(OUI, OUI_vals, "Unknown"), OUI);
|
||||
}
|
||||
offset = 7;
|
||||
length -= 7;
|
||||
|
||||
switch (code)
|
||||
{
|
||||
case CONFREQ:
|
||||
case CONFACK:
|
||||
case CONFNAK:
|
||||
case CONFREJ:
|
||||
case TERMREQ:
|
||||
case TERMACK:
|
||||
if(tree)
|
||||
{
|
||||
if (length > 0)
|
||||
{
|
||||
tf = proto_tree_add_text(fh_tree, tvb, offset, length,
|
||||
"Options: (%d byte%s)", length, plurality(length, "", "s"));
|
||||
field_tree = proto_item_add_subtree(tf, ett_vsncp_options);
|
||||
dissect_ip_tcp_options(tvb, offset, length, vsncp_opts, N_VSNCP_OPTS, -1,
|
||||
pinfo, field_tree);
|
||||
}
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
dissect_vsnp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
||||
{
|
||||
guint8 PDNID;
|
||||
proto_item *vsnp_item = NULL;
|
||||
proto_tree *vsnp_tree = NULL;
|
||||
guint32 offset = 0;
|
||||
|
||||
/* To pass it on to IP */
|
||||
tvbuff_t *next_tvb;
|
||||
|
||||
col_set_str(pinfo->cinfo, COL_PROTOCOL, "VSNP");
|
||||
|
||||
PDNID = tvb_get_guint8(tvb, 0); /* Get the PDNID byte */
|
||||
offset = 0;
|
||||
|
||||
if (tree) /* we are being asked for details */
|
||||
{
|
||||
vsnp_item = proto_tree_add_item(tree, proto_vsnp, tvb, 0, -1, FALSE);
|
||||
vsnp_tree = proto_item_add_subtree(vsnp_item, ett_vsnp);
|
||||
proto_tree_add_text(vsnp_tree, tvb, offset, 1, "PDN ID: 0x%02x", PDNID);
|
||||
}
|
||||
next_tvb = tvb_new_subset(tvb, 1, -1, -1);
|
||||
|
||||
/* do lookup with the subdissector table */
|
||||
if (!dissector_try_port(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(PPP_IP, ppp_vals, "Unknown"), PPP_IP);
|
||||
call_dissector(data_handle, next_tvb, pinfo, tree);
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* RFC 1332.
|
||||
*/
|
||||
|
|
@ -4304,6 +4805,66 @@ proto_reg_handoff_lcp(void)
|
|||
|
||||
}
|
||||
|
||||
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("ppp.protocol", PPP_VSNCP, vsncp_handle);
|
||||
}
|
||||
|
||||
void
|
||||
proto_register_vsnp(void)
|
||||
{
|
||||
static gint *ett[] = {
|
||||
&ett_vsnp,
|
||||
&ett_vsnp_pdnid,
|
||||
};
|
||||
|
||||
static hf_register_info hf[] = {
|
||||
{ &hf_vsnp,
|
||||
{ "Data", "vsnp.data", FT_NONE, BASE_NONE, NULL, 0x0,
|
||||
"VSNP PDU", HFILL }},
|
||||
{ &hf_vsnp_header,
|
||||
{ "Header", "vsnp.header", FT_NONE, BASE_NONE, NULL, 0x0,
|
||||
"VSNP Header", HFILL }},
|
||||
{ &hf_vsnp_type,
|
||||
{ "PDN ID", "vsnp.pdnid", FT_UINT8, BASE_DEC, NULL, 0x0,
|
||||
NULL, HFILL }},
|
||||
{ &hf_vsnp_data,
|
||||
{ "Data", "vsnp.data", FT_STRING, BASE_NONE, 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("ppp.protocol", PPP_VSNP, vsnp_handle);
|
||||
}
|
||||
|
||||
void
|
||||
proto_register_ipcp(void)
|
||||
{
|
||||
|
|
|
|||
Loading…
Reference in New Issue