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Diffstat (limited to 'epan/dissectors/packet-tzsp.c')
-rw-r--r--epan/dissectors/packet-tzsp.c160
1 files changed, 56 insertions, 104 deletions
diff --git a/epan/dissectors/packet-tzsp.c b/epan/dissectors/packet-tzsp.c
index 37cb4b53..bfcf4009 100644
--- a/epan/dissectors/packet-tzsp.c
+++ b/epan/dissectors/packet-tzsp.c
@@ -30,10 +30,12 @@
void proto_register_tzsp(void);
void proto_reg_handoff_tzsp(void);
-static int proto_tzsp = -1;
-static int hf_tzsp_version = -1;
-static int hf_tzsp_type = -1;
-static int hf_tzsp_encap = -1;
+static int proto_tzsp;
+static int hf_tzsp_version;
+static int hf_tzsp_type;
+static int hf_tzsp_encap;
+
+static dissector_table_t tzsp_encap_table;
static dissector_handle_t tzsp_handle;
@@ -88,47 +90,37 @@ static const value_string tzsp_encapsulation[] = {
{0, NULL}
};
-static gint ett_tzsp = -1;
-static gint ett_tag = -1;
-
-static dissector_handle_t eth_maybefcs_handle;
-static dissector_handle_t tr_handle;
-static dissector_handle_t ppp_handle;
-static dissector_handle_t fddi_handle;
-static dissector_handle_t raw_ip_handle;
-static dissector_handle_t ieee_802_11_handle;
-static dissector_handle_t ieee_802_11_prism_handle;
-static dissector_handle_t ieee_802_11_avs_handle;
-static dissector_handle_t ieee_802_11_radiotap_handle;
+static int ett_tzsp;
+static int ett_tag;
/* ************************************************************************* */
/* WLAN radio header fields */
/* ************************************************************************* */
-static int hf_option_tag = -1;
-static int hf_option_length = -1;
-/* static int hf_status_field = -1; */
-static int hf_status_msg_type = -1;
-static int hf_status_pcf = -1;
-/* static int hf_status_mac_port = -1; */
-static int hf_status_undecrypted = -1;
-static int hf_status_fcs_error = -1;
-
-static int hf_time = -1;
-static int hf_silence = -1;
-static int hf_signal = -1;
-static int hf_rate = -1;
-static int hf_channel = -1;
-static int hf_unknown = -1;
-static int hf_original_length = -1;
-static int hf_sensormac = -1;
-
-static int hf_device_name = -1;
-static int hf_capture_location = -1;
-static int hf_capture_info = -1;
-static int hf_capture_id = -1;
-static int hf_time_stamp = -1;
-static int hf_packet_id = -1;
+static int hf_option_tag;
+static int hf_option_length;
+/* static int hf_status_field; */
+static int hf_status_msg_type;
+static int hf_status_pcf;
+/* static int hf_status_mac_port; */
+static int hf_status_undecrypted;
+static int hf_status_fcs_error;
+
+static int hf_time;
+static int hf_silence;
+static int hf_signal;
+static int hf_rate;
+static int hf_channel;
+static int hf_unknown;
+static int hf_original_length;
+static int hf_sensormac;
+
+static int hf_device_name;
+static int hf_capture_location;
+static int hf_capture_info;
+static int hf_capture_id;
+static int hf_time_stamp;
+static int hf_packet_id;
@@ -198,17 +190,17 @@ static const value_string option_tag_vals[] = {
static int
add_option_info(tvbuff_t *tvb, int pos, proto_tree *tree, proto_item *ti)
{
- guint8 tag, length, fcs_err = 0, encr = 0, seen_fcs_err = 0;
+ uint8_t tag, length, fcs_err = 0, encr = 0, seen_fcs_err = 0;
proto_tree *tag_tree;
/*
* Read all option tags in an endless loop. If the packet is malformed this
* loop might be a problem.
*/
- while (TRUE) {
- tag = tvb_get_guint8(tvb, pos);
+ while (true) {
+ tag = tvb_get_uint8(tvb, pos);
if ((tag != TZSP_HDR_PAD) && (tag != TZSP_HDR_END)) {
- length = tvb_get_guint8(tvb, pos+1);
+ length = tvb_get_uint8(tvb, pos+1);
tag_tree = proto_tree_add_subtree(tree, tvb, pos, 2+length, ett_tag, NULL, val_to_str_const(tag, option_tag_vals, "Unknown"));
} else {
tag_tree = proto_tree_add_subtree(tree, tvb, pos, 1, ett_tag, NULL, val_to_str_const(tag, option_tag_vals, "Unknown"));
@@ -288,13 +280,13 @@ add_option_info(tvbuff_t *tvb, int pos, proto_tree *tree, proto_item *ti)
case WLAN_RADIO_HDR_UN_DECR:
proto_tree_add_item(tag_tree, hf_status_undecrypted, tvb, pos, 1, ENC_NA);
- encr = tvb_get_guint8(tvb, pos);
+ encr = tvb_get_uint8(tvb, pos);
break;
case WLAN_RADIO_HDR_FCS_ERR:
seen_fcs_err = 1;
proto_tree_add_item(tag_tree, hf_status_fcs_error, tvb, pos, 1, ENC_NA);
- fcs_err = tvb_get_guint8(tvb, pos);
+ fcs_err = tvb_get_uint8(tvb, pos);
break;
case WLAN_RADIO_HDR_CHANNEL:
@@ -325,14 +317,14 @@ dissect_tzsp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_
proto_item *ti = NULL;
int pos = 0;
tvbuff_t *next_tvb;
- guint16 encapsulation = 0;
+ uint16_t encapsulation = 0;
const char *info;
- guint8 type;
+ uint8_t type;
col_set_str(pinfo->cinfo, COL_PROTOCOL, "TZSP");
col_clear(pinfo->cinfo, COL_INFO);
- type = tvb_get_guint8(tvb, 1);
+ type = tvb_get_uint8(tvb, 1);
/* Find the encapsulation. */
encapsulation = tvb_get_ntohs(tvb, 2);
@@ -375,50 +367,7 @@ dissect_tzsp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_
if (tree)
proto_item_set_end(ti, tvb, pos);
next_tvb = tvb_new_subset_remaining(tvb, pos);
- switch (encapsulation) {
-
- case TZSP_ENCAP_ETHERNET:
- call_dissector(eth_maybefcs_handle, next_tvb, pinfo, tree);
- break;
-
- case TZSP_ENCAP_TOKEN_RING:
- call_dissector(tr_handle, next_tvb, pinfo, tree);
- break;
-
- case TZSP_ENCAP_PPP:
- call_dissector(ppp_handle, next_tvb, pinfo, tree);
- break;
-
- case TZSP_ENCAP_FDDI:
- call_dissector(fddi_handle, next_tvb, pinfo, tree);
- break;
-
- case TZSP_ENCAP_RAW:
- call_dissector(raw_ip_handle, next_tvb, pinfo, tree);
- break;
-
- case TZSP_ENCAP_IEEE_802_11:
- /*
- * XXX - get some of the information from the TLVs
- * and turn it into a radio metadata header to
- * hand to the radio dissector, and call it?
- */
- call_dissector(ieee_802_11_handle, next_tvb, pinfo, tree);
- break;
-
- case TZSP_ENCAP_IEEE_802_11_PRISM:
- call_dissector(ieee_802_11_prism_handle, next_tvb, pinfo, tree);
- break;
-
- case TZSP_ENCAP_IEEE_802_11_RADIOTAP:
- call_dissector(ieee_802_11_radiotap_handle, next_tvb, pinfo, tree);
- break;
-
- case TZSP_ENCAP_IEEE_802_11_AVS:
- call_dissector(ieee_802_11_avs_handle, next_tvb, pinfo, tree);
- break;
-
- default:
+ if (dissector_try_uint(tzsp_encap_table, encapsulation, next_tvb, pinfo, tree) == 0) {
col_set_str(pinfo->cinfo, COL_PROTOCOL, "UNKNOWN");
col_add_fstr(pinfo->cinfo, COL_INFO, "TZSP_ENCAP = %u",
encapsulation);
@@ -632,7 +581,7 @@ proto_register_tzsp(void)
VALS(channels), 0, NULL, HFILL }},
{ &hf_unknown, {
"Unknown tag", "tzsp.unknown", FT_BYTES, BASE_NONE,
- NULL, 0, "Unknown", HFILL }},
+ NULL, 0, NULL, HFILL }},
{ &hf_sensormac, {
"Sensor Address", "tzsp.sensormac", FT_ETHER, BASE_NONE,
NULL, 0, "Sensor MAC", HFILL }},
@@ -663,7 +612,7 @@ proto_register_tzsp(void)
NULL, 0, "PacketId", HFILL }}
};
- static gint *ett[] = {
+ static int *ett[] = {
&ett_tzsp,
&ett_tag
};
@@ -673,6 +622,9 @@ proto_register_tzsp(void)
proto_register_subtree_array(ett, array_length(ett));
tzsp_handle = register_dissector("tzsp", dissect_tzsp, proto_tzsp);
+
+ tzsp_encap_table = register_dissector_table("tzsp.encap", "TZSP Encapsulation Type",
+ proto_tzsp, FT_UINT16, BASE_DEC);
}
void
@@ -681,15 +633,15 @@ proto_reg_handoff_tzsp(void)
dissector_add_uint_with_preference("udp.port", UDP_PORT_TZSP, tzsp_handle);
/* Get the data dissector for handling various encapsulation types. */
- eth_maybefcs_handle = find_dissector_add_dependency("eth_maybefcs", proto_tzsp);
- tr_handle = find_dissector_add_dependency("tr", proto_tzsp);
- ppp_handle = find_dissector_add_dependency("ppp_hdlc", proto_tzsp);
- fddi_handle = find_dissector_add_dependency("fddi", proto_tzsp);
- raw_ip_handle = find_dissector_add_dependency("raw_ip", proto_tzsp);
- ieee_802_11_handle = find_dissector_add_dependency("wlan", proto_tzsp);
- ieee_802_11_prism_handle = find_dissector_add_dependency("prism", proto_tzsp);
- ieee_802_11_avs_handle = find_dissector_add_dependency("wlancap", proto_tzsp);
- ieee_802_11_radiotap_handle = find_dissector_add_dependency("radiotap", proto_tzsp);
+ dissector_add_uint("tzsp.encap", TZSP_ENCAP_ETHERNET, find_dissector("eth_maybefcs"));
+ dissector_add_uint("tzsp.encap", TZSP_ENCAP_TOKEN_RING, find_dissector("tr"));
+ dissector_add_uint("tzsp.encap", TZSP_ENCAP_PPP, find_dissector("ppp_hdlc"));
+ dissector_add_uint("tzsp.encap", TZSP_ENCAP_FDDI, find_dissector("fddi"));
+ dissector_add_uint("tzsp.encap", TZSP_ENCAP_RAW, find_dissector("raw_ip"));
+ dissector_add_uint("tzsp.encap", TZSP_ENCAP_IEEE_802_11, find_dissector("wlan"));
+ dissector_add_uint("tzsp.encap", TZSP_ENCAP_IEEE_802_11_PRISM, find_dissector("prism"));
+ dissector_add_uint("tzsp.encap", TZSP_ENCAP_IEEE_802_11_AVS, find_dissector("wlancap"));
+ dissector_add_uint("tzsp.encap", TZSP_ENCAP_IEEE_802_11_RADIOTAP, find_dissector("radiotap"));
/* Register this protocol as an encapsulation type. */
dissector_add_uint("wtap_encap", WTAP_ENCAP_TZSP, tzsp_handle);
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-15 21:06:00 +0000