Fix indent (use 4 spaces) and add Modelines
Change-Id: I50c66638d48a6579b50204769bd27210d9d6c228 Reviewed-on: https://code.wireshark.org/review/655 Reviewed-by: Alexis La Goutte <alexis.lagoutte@gmail.com> Tested-by: Alexis La Goutte <alexis.lagoutte@gmail.com>
This commit is contained in:
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e0d76a579b
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bf0b7f7968
1 changed files with 196 additions and 184 deletions
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@ -36,24 +36,24 @@ void proto_reg_handoff_nflog(void);
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/* nfulnl_attr_type enum from <linux/netfilter/nfnetlink_log.h> */
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enum ws_nfulnl_attr_type {
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WS_NFULA_UNSPEC,
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WS_NFULA_PACKET_HDR,
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WS_NFULA_MARK, /* __u32 nfmark */
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WS_NFULA_TIMESTAMP, /* nfulnl_msg_packet_timestamp */
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WS_NFULA_IFINDEX_INDEV, /* __u32 ifindex */
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WS_NFULA_IFINDEX_OUTDEV, /* __u32 ifindex */
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WS_NFULA_IFINDEX_PHYSINDEV, /* __u32 ifindex */
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WS_NFULA_IFINDEX_PHYSOUTDEV, /* __u32 ifindex */
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WS_NFULA_HWADDR, /* nfulnl_msg_packet_hw */
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WS_NFULA_PAYLOAD, /* opaque data payload */
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WS_NFULA_PREFIX, /* string prefix */
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WS_NFULA_UID, /* user id of socket */
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WS_NFULA_SEQ, /* instance-local sequence number */
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WS_NFULA_SEQ_GLOBAL, /* global sequence number */
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WS_NFULA_GID, /* group id of socket */
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WS_NFULA_HWTYPE, /* hardware type */
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WS_NFULA_HWHEADER, /* hardware header */
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WS_NFULA_HWLEN /* hardware header length */
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WS_NFULA_UNSPEC,
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WS_NFULA_PACKET_HDR,
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WS_NFULA_MARK, /* __u32 nfmark */
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WS_NFULA_TIMESTAMP, /* nfulnl_msg_packet_timestamp */
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WS_NFULA_IFINDEX_INDEV, /* __u32 ifindex */
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WS_NFULA_IFINDEX_OUTDEV, /* __u32 ifindex */
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WS_NFULA_IFINDEX_PHYSINDEV, /* __u32 ifindex */
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WS_NFULA_IFINDEX_PHYSOUTDEV, /* __u32 ifindex */
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WS_NFULA_HWADDR, /* nfulnl_msg_packet_hw */
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WS_NFULA_PAYLOAD, /* opaque data payload */
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WS_NFULA_PREFIX, /* string prefix */
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WS_NFULA_UID, /* user id of socket */
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WS_NFULA_SEQ, /* instance-local sequence number */
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WS_NFULA_SEQ_GLOBAL, /* global sequence number */
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WS_NFULA_GID, /* group id of socket */
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WS_NFULA_HWTYPE, /* hardware type */
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WS_NFULA_HWHEADER, /* hardware header */
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WS_NFULA_HWLEN /* hardware header length */
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};
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#define BYTE_ORDER_AUTO 0
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@ -70,25 +70,25 @@ static const enum_val_t byte_order_types[] = {
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};
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static const value_string nflog_tlv_vals[] = {
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{ WS_NFULA_UNSPEC, "NFULA_UNSPEC" },
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{ WS_NFULA_PACKET_HDR, "NFULA_PACKET_HDR" },
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{ WS_NFULA_MARK, "NFULA_MARK" },
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{ WS_NFULA_TIMESTAMP, "NFULA_TIMESTAMP" },
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{ WS_NFULA_IFINDEX_INDEV, "NFULA_IFINDEX_INDEV" },
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{ WS_NFULA_IFINDEX_OUTDEV, "NFULA_IFINDEX_OUTDEV" },
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{ WS_NFULA_IFINDEX_PHYSINDEV, "NFULA_IFINDEX_PHYSINDEV" },
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{ WS_NFULA_IFINDEX_PHYSOUTDEV, "NFULA_IFINDEX_PHYSOUTDEV" },
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{ WS_NFULA_HWADDR, "NFULA_HWADDR" },
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{ WS_NFULA_PAYLOAD, "NFULA_PAYLOAD" },
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{ WS_NFULA_PREFIX, "NFULA_PREFIX" },
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{ WS_NFULA_UID, "NFULA_UID" },
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{ WS_NFULA_SEQ, "NFULA_SEQ" },
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{ WS_NFULA_SEQ_GLOBAL, "NFULA_SEQ_GLOBAL" },
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{ WS_NFULA_GID, "NFULA_GID" },
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{ WS_NFULA_HWTYPE, "NFULA_HWTYPE" },
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{ WS_NFULA_HWHEADER, "NFULA_HWHEADER" },
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{ WS_NFULA_HWLEN, "NFULA_HWLEN" },
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{ 0, NULL }
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{ WS_NFULA_UNSPEC, "NFULA_UNSPEC" },
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{ WS_NFULA_PACKET_HDR, "NFULA_PACKET_HDR" },
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{ WS_NFULA_MARK, "NFULA_MARK" },
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{ WS_NFULA_TIMESTAMP, "NFULA_TIMESTAMP" },
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{ WS_NFULA_IFINDEX_INDEV, "NFULA_IFINDEX_INDEV" },
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{ WS_NFULA_IFINDEX_OUTDEV, "NFULA_IFINDEX_OUTDEV" },
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{ WS_NFULA_IFINDEX_PHYSINDEV, "NFULA_IFINDEX_PHYSINDEV" },
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{ WS_NFULA_IFINDEX_PHYSOUTDEV, "NFULA_IFINDEX_PHYSOUTDEV" },
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{ WS_NFULA_HWADDR, "NFULA_HWADDR" },
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{ WS_NFULA_PAYLOAD, "NFULA_PAYLOAD" },
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{ WS_NFULA_PREFIX, "NFULA_PREFIX" },
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{ WS_NFULA_UID, "NFULA_UID" },
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{ WS_NFULA_SEQ, "NFULA_SEQ" },
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{ WS_NFULA_SEQ_GLOBAL, "NFULA_SEQ_GLOBAL" },
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{ WS_NFULA_GID, "NFULA_GID" },
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{ WS_NFULA_HWTYPE, "NFULA_HWTYPE" },
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{ WS_NFULA_HWHEADER, "NFULA_HWHEADER" },
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{ WS_NFULA_HWLEN, "NFULA_HWLEN" },
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{ 0, NULL }
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};
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static gint nflog_byte_order = BYTE_ORDER_AUTO;
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@ -102,39 +102,39 @@ static header_field_info *hfi_nflog = NULL;
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/* Header */
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static header_field_info hfi_nflog_family NFLOG_HFI_INIT =
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{ "Family", "nflog.family", FT_UINT8, BASE_DEC | BASE_EXT_STRING, &linux_af_vals_ext, 0x00, NULL, HFILL };
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{ "Family", "nflog.family", FT_UINT8, BASE_DEC | BASE_EXT_STRING, &linux_af_vals_ext, 0x00, NULL, HFILL };
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static header_field_info hfi_nflog_version NFLOG_HFI_INIT =
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{ "Version", "nflog.version", FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL };
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{ "Version", "nflog.version", FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL };
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static header_field_info hfi_nflog_resid NFLOG_HFI_INIT =
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{ "Resource id", "nflog.res_id", FT_UINT16, BASE_DEC, NULL, 0x00, NULL, HFILL };
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{ "Resource id", "nflog.res_id", FT_UINT16, BASE_DEC, NULL, 0x00, NULL, HFILL };
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/* TLV */
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static header_field_info hfi_nflog_tlv NFLOG_HFI_INIT =
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{ "TLV", "nflog.tlv", FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL };
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{ "TLV", "nflog.tlv", FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL };
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static header_field_info hfi_nflog_tlv_length NFLOG_HFI_INIT =
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{ "Length", "nflog.tlv_length", FT_UINT16, BASE_DEC, NULL, 0x00, "TLV Length", HFILL };
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{ "Length", "nflog.tlv_length", FT_UINT16, BASE_DEC, NULL, 0x00, "TLV Length", HFILL };
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static header_field_info hfi_nflog_tlv_type NFLOG_HFI_INIT =
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{ "Type", "nflog.tlv_type", FT_UINT16, BASE_DEC, VALS(nflog_tlv_vals), 0x7fff, "TLV Type", HFILL };
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{ "Type", "nflog.tlv_type", FT_UINT16, BASE_DEC, VALS(nflog_tlv_vals), 0x7fff, "TLV Type", HFILL };
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/* TLV values */
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static header_field_info hfi_nflog_tlv_prefix NFLOG_HFI_INIT =
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{ "Prefix", "nflog.prefix", FT_STRINGZ, BASE_NONE, NULL, 0x00, "TLV Prefix Value", HFILL };
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{ "Prefix", "nflog.prefix", FT_STRINGZ, BASE_NONE, NULL, 0x00, "TLV Prefix Value", HFILL };
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static header_field_info hfi_nflog_tlv_uid NFLOG_HFI_INIT =
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{ "UID", "nflog.uid", FT_INT32, BASE_DEC, NULL, 0x00, "TLV UID Value", HFILL };
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{ "UID", "nflog.uid", FT_INT32, BASE_DEC, NULL, 0x00, "TLV UID Value", HFILL };
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static header_field_info hfi_nflog_tlv_gid NFLOG_HFI_INIT =
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{ "GID", "nflog.gid", FT_INT32, BASE_DEC, NULL, 0x00, "TLV GID Value", HFILL };
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{ "GID", "nflog.gid", FT_INT32, BASE_DEC, NULL, 0x00, "TLV GID Value", HFILL };
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static header_field_info hfi_nflog_tlv_timestamp NFLOG_HFI_INIT =
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{ "Timestamp", "nflog.timestamp", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0x00, "TLV Timestamp Value", HFILL };
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{ "Timestamp", "nflog.timestamp", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0x00, "TLV Timestamp Value", HFILL };
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static header_field_info hfi_nflog_tlv_unknown NFLOG_HFI_INIT =
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{ "Value", "nflog.tlv_value", FT_BYTES, BASE_NONE, NULL, 0x00, "TLV Value", HFILL };
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{ "Value", "nflog.tlv_value", FT_BYTES, BASE_NONE, NULL, 0x00, "TLV Value", HFILL };
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static dissector_handle_t ip_handle;
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static dissector_handle_t ip6_handle;
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@ -143,188 +143,200 @@ static dissector_handle_t data_handle;
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static void
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dissect_nflog(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
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{
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const int start_tlv_offset = 4;
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const int start_tlv_offset = 4;
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proto_tree *nflog_tree = NULL;
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proto_item *ti;
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proto_tree *nflog_tree = NULL;
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proto_item *ti;
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int offset = 0;
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int offset = 0;
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tvbuff_t *next_tvb = NULL;
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int aftype;
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tvbuff_t *next_tvb = NULL;
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int aftype;
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col_set_str(pinfo->cinfo, COL_PROTOCOL, "NFLOG");
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col_clear(pinfo->cinfo, COL_INFO);
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col_set_str(pinfo->cinfo, COL_PROTOCOL, "NFLOG");
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col_clear(pinfo->cinfo, COL_INFO);
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aftype = tvb_get_guint8(tvb, 0);
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aftype = tvb_get_guint8(tvb, 0);
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/* Header */
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if (proto_field_is_referenced(tree, hfi_nflog->id)) {
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ti = proto_tree_add_item(tree, hfi_nflog, tvb, 0, -1, ENC_NA);
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nflog_tree = proto_item_add_subtree(ti, ett_nflog);
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/* Header */
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if (proto_field_is_referenced(tree, hfi_nflog->id)) {
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ti = proto_tree_add_item(tree, hfi_nflog, tvb, 0, -1, ENC_NA);
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nflog_tree = proto_item_add_subtree(ti, ett_nflog);
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proto_tree_add_item(nflog_tree, &hfi_nflog_family, tvb, offset, 1, ENC_NA);
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offset += 1;
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proto_tree_add_item(nflog_tree, &hfi_nflog_family, tvb, offset, 1, ENC_NA);
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offset += 1;
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proto_tree_add_item(nflog_tree, &hfi_nflog_version, tvb, offset, 1, ENC_NA);
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offset += 1;
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proto_tree_add_item(nflog_tree, &hfi_nflog_version, tvb, offset, 1, ENC_NA);
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offset += 1;
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proto_tree_add_item(nflog_tree, &hfi_nflog_resid, tvb, offset, 2, ENC_BIG_ENDIAN);
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/*offset += 2;*/
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}
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proto_tree_add_item(nflog_tree, &hfi_nflog_resid, tvb, offset, 2, ENC_BIG_ENDIAN);
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/*offset += 2;*/
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}
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offset = start_tlv_offset;
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/* TLVs */
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while (tvb_reported_length_remaining(tvb, offset) >= 4) {
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guint16 tlv_len = tvb_get_h_guint16(tvb, offset + 0);
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guint16 tlv_type;
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guint16 value_len;
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offset = start_tlv_offset;
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/* TLVs */
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while (tvb_reported_length_remaining(tvb, offset) >= 4) {
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guint16 tlv_len = tvb_get_h_guint16(tvb, offset + 0);
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guint16 tlv_type;
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guint16 value_len;
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proto_tree *tlv_tree;
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proto_tree *tlv_tree;
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/* malformed */
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if (tlv_len < 4)
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return;
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/* malformed */
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if (tlv_len < 4)
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return;
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value_len = tlv_len - 4;
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tlv_type = (tvb_get_h_guint16(tvb, offset + 2) & 0x7fff);
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value_len = tlv_len - 4;
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tlv_type = (tvb_get_h_guint16(tvb, offset + 2) & 0x7fff);
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if (nflog_tree) {
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gboolean handled = FALSE;
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if (nflog_tree) {
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gboolean handled = FALSE;
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ti = proto_tree_add_bytes_format(nflog_tree, hfi_nflog_tlv.id,
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tvb, offset, tlv_len, NULL,
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"TLV Type: %s (%u), Length: %u",
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val_to_str_const(tlv_type, nflog_tlv_vals, "Unknown"),
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tlv_type, tlv_len);
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tlv_tree = proto_item_add_subtree(ti, ett_nflog_tlv);
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ti = proto_tree_add_bytes_format(nflog_tree, hfi_nflog_tlv.id,
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tvb, offset, tlv_len, NULL,
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"TLV Type: %s (%u), Length: %u",
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val_to_str_const(tlv_type, nflog_tlv_vals, "Unknown"),
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tlv_type, tlv_len);
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tlv_tree = proto_item_add_subtree(ti, ett_nflog_tlv);
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proto_tree_add_item(tlv_tree, &hfi_nflog_tlv_length, tvb, offset + 0, 2, ENC_HOST_ENDIAN);
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proto_tree_add_item(tlv_tree, &hfi_nflog_tlv_type, tvb, offset + 2, 2, ENC_HOST_ENDIAN);
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switch (tlv_type) {
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case WS_NFULA_PAYLOAD:
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handled = TRUE;
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break;
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proto_tree_add_item(tlv_tree, &hfi_nflog_tlv_length, tvb, offset + 0, 2, ENC_HOST_ENDIAN);
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proto_tree_add_item(tlv_tree, &hfi_nflog_tlv_type, tvb, offset + 2, 2, ENC_HOST_ENDIAN);
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switch (tlv_type) {
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case WS_NFULA_PAYLOAD:
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handled = TRUE;
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break;
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case WS_NFULA_PREFIX:
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if (value_len >= 1) {
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proto_tree_add_item(tlv_tree, &hfi_nflog_tlv_prefix,
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tvb, offset + 4, value_len, ENC_NA);
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handled = TRUE;
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}
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break;
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case WS_NFULA_PREFIX:
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if (value_len >= 1) {
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proto_tree_add_item(tlv_tree, &hfi_nflog_tlv_prefix,
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tvb, offset + 4, value_len, ENC_NA);
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handled = TRUE;
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}
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break;
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case WS_NFULA_UID:
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if (value_len == 4) {
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proto_tree_add_item(tlv_tree, &hfi_nflog_tlv_uid,
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tvb, offset + 4, value_len, ENC_BIG_ENDIAN);
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handled = TRUE;
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}
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break;
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case WS_NFULA_UID:
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if (value_len == 4) {
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proto_tree_add_item(tlv_tree, &hfi_nflog_tlv_uid,
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tvb, offset + 4, value_len, ENC_BIG_ENDIAN);
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handled = TRUE;
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}
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break;
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case WS_NFULA_GID:
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if (value_len == 4) {
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proto_tree_add_item(tlv_tree, &hfi_nflog_tlv_gid,
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tvb, offset + 4, value_len, ENC_BIG_ENDIAN);
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handled = TRUE;
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}
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break;
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case WS_NFULA_GID:
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if (value_len == 4) {
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proto_tree_add_item(tlv_tree, &hfi_nflog_tlv_gid,
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tvb, offset + 4, value_len, ENC_BIG_ENDIAN);
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handled = TRUE;
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}
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break;
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case WS_NFULA_TIMESTAMP:
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if (value_len == 16) {
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nstime_t ts;
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case WS_NFULA_TIMESTAMP:
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if (value_len == 16) {
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nstime_t ts;
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ts.secs = (time_t)tvb_get_ntoh64(tvb, offset + 4);
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/* XXX - add an "expert info" warning if this is >= 10^9? */
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ts.nsecs = (int)tvb_get_ntoh64(tvb, offset + 12);
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proto_tree_add_time(tlv_tree, &hfi_nflog_tlv_timestamp,
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tvb, offset + 4, value_len, &ts);
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handled = TRUE;
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}
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break;
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}
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ts.secs = (time_t)tvb_get_ntoh64(tvb, offset + 4);
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/* XXX - add an "expert info" warning if this is >= 10^9? */
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ts.nsecs = (int)tvb_get_ntoh64(tvb, offset + 12);
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proto_tree_add_time(tlv_tree, &hfi_nflog_tlv_timestamp,
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tvb, offset + 4, value_len, &ts);
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handled = TRUE;
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}
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break;
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}
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if (!handled)
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proto_tree_add_item(tlv_tree, &hfi_nflog_tlv_unknown,
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tvb, offset + 4, value_len, ENC_NA);
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}
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if (!handled)
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proto_tree_add_item(tlv_tree, &hfi_nflog_tlv_unknown,
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tvb, offset + 4, value_len, ENC_NA);
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}
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if (tlv_type == WS_NFULA_PAYLOAD)
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next_tvb = tvb_new_subset(tvb, offset + 4, value_len, value_len);
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if (tlv_type == WS_NFULA_PAYLOAD)
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next_tvb = tvb_new_subset(tvb, offset + 4, value_len, value_len);
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offset += ((tlv_len + 3) & ~3); /* next TLV aligned to 4B */
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}
|
||||
offset += ((tlv_len + 3) & ~3); /* next TLV aligned to 4B */
|
||||
}
|
||||
|
||||
if (next_tvb) {
|
||||
switch (aftype) {
|
||||
case LINUX_AF_INET:
|
||||
call_dissector(ip_handle, next_tvb, pinfo, tree);
|
||||
break;
|
||||
case LINUX_AF_INET6:
|
||||
call_dissector(ip6_handle, next_tvb, pinfo, tree);
|
||||
break;
|
||||
default:
|
||||
call_dissector(data_handle, next_tvb, pinfo, tree);
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (next_tvb) {
|
||||
switch (aftype) {
|
||||
case LINUX_AF_INET:
|
||||
call_dissector(ip_handle, next_tvb, pinfo, tree);
|
||||
break;
|
||||
case LINUX_AF_INET6:
|
||||
call_dissector(ip6_handle, next_tvb, pinfo, tree);
|
||||
break;
|
||||
default:
|
||||
call_dissector(data_handle, next_tvb, pinfo, tree);
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
proto_register_nflog(void)
|
||||
{
|
||||
#ifndef HAVE_HFI_SECTION_INIT
|
||||
static header_field_info *hfi[] = {
|
||||
/* Header */
|
||||
&hfi_nflog_family,
|
||||
&hfi_nflog_version,
|
||||
&hfi_nflog_resid,
|
||||
/* TLV */
|
||||
&hfi_nflog_tlv,
|
||||
&hfi_nflog_tlv_length,
|
||||
&hfi_nflog_tlv_type,
|
||||
/* TLV values */
|
||||
&hfi_nflog_tlv_prefix,
|
||||
&hfi_nflog_tlv_uid,
|
||||
&hfi_nflog_tlv_gid,
|
||||
&hfi_nflog_tlv_timestamp,
|
||||
&hfi_nflog_tlv_unknown,
|
||||
};
|
||||
static header_field_info *hfi[] = {
|
||||
/* Header */
|
||||
&hfi_nflog_family,
|
||||
&hfi_nflog_version,
|
||||
&hfi_nflog_resid,
|
||||
/* TLV */
|
||||
&hfi_nflog_tlv,
|
||||
&hfi_nflog_tlv_length,
|
||||
&hfi_nflog_tlv_type,
|
||||
/* TLV values */
|
||||
&hfi_nflog_tlv_prefix,
|
||||
&hfi_nflog_tlv_uid,
|
||||
&hfi_nflog_tlv_gid,
|
||||
&hfi_nflog_tlv_timestamp,
|
||||
&hfi_nflog_tlv_unknown,
|
||||
};
|
||||
#endif
|
||||
|
||||
static gint *ett[] = {
|
||||
&ett_nflog,
|
||||
&ett_nflog_tlv
|
||||
};
|
||||
static gint *ett[] = {
|
||||
&ett_nflog,
|
||||
&ett_nflog_tlv
|
||||
};
|
||||
|
||||
module_t *pref;
|
||||
module_t *pref;
|
||||
|
||||
int proto_nflog;
|
||||
int proto_nflog;
|
||||
|
||||
proto_nflog = proto_register_protocol("Linux Netfilter NFLOG", "NFLOG", "nflog");
|
||||
hfi_nflog = proto_registrar_get_nth(proto_nflog);
|
||||
proto_nflog = proto_register_protocol("Linux Netfilter NFLOG", "NFLOG", "nflog");
|
||||
hfi_nflog = proto_registrar_get_nth(proto_nflog);
|
||||
|
||||
pref = prefs_register_protocol(proto_nflog, NULL);
|
||||
prefs_register_enum_preference(pref, "byte_order_type", "Byte Order", "Byte Order",
|
||||
&nflog_byte_order, byte_order_types, FALSE);
|
||||
pref = prefs_register_protocol(proto_nflog, NULL);
|
||||
prefs_register_enum_preference(pref, "byte_order_type", "Byte Order", "Byte Order",
|
||||
&nflog_byte_order, byte_order_types, FALSE);
|
||||
|
||||
register_dissector("nflog", dissect_nflog, proto_nflog);
|
||||
register_dissector("nflog", dissect_nflog, proto_nflog);
|
||||
|
||||
proto_register_fields(proto_nflog, hfi, array_length(hfi));
|
||||
proto_register_subtree_array(ett, array_length(ett));
|
||||
proto_register_fields(proto_nflog, hfi, array_length(hfi));
|
||||
proto_register_subtree_array(ett, array_length(ett));
|
||||
|
||||
}
|
||||
|
||||
void
|
||||
proto_reg_handoff_nflog(void)
|
||||
{
|
||||
dissector_handle_t nflog_handle;
|
||||
dissector_handle_t nflog_handle;
|
||||
|
||||
ip_handle = find_dissector("ip");
|
||||
ip6_handle = find_dissector("ipv6");
|
||||
data_handle = find_dissector("data");
|
||||
ip_handle = find_dissector("ip");
|
||||
ip6_handle = find_dissector("ipv6");
|
||||
data_handle = find_dissector("data");
|
||||
|
||||
nflog_handle = find_dissector("nflog");
|
||||
dissector_add_uint("wtap_encap", WTAP_ENCAP_NFLOG, nflog_handle);
|
||||
nflog_handle = find_dissector("nflog");
|
||||
dissector_add_uint("wtap_encap", WTAP_ENCAP_NFLOG, nflog_handle);
|
||||
}
|
||||
|
||||
/*
|
||||
* Editor modelines
|
||||
*
|
||||
* Local Variables:
|
||||
* c-basic-offset: 4
|
||||
* tab-width: 8
|
||||
* indent-tabs-mode: nil
|
||||
* End:
|
||||
*
|
||||
* ex: set shiftwidth=4 tabstop=8 expandtab:
|
||||
* :indentSize=4:tabSize=8:noTabs=true:
|
||||
*/
|
||||
|
|
Loading…
Reference in a new issue