*
* Copyright 2000, Heikki Vatiainen <hessu@cs.tut.fi>
*
- * $Id: packet-cops.c,v 1.1 2000/06/07 22:57:45 gram Exp $
+ * $Id: packet-cops.c,v 1.13 2001/06/18 02:17:45 guy Exp $
*
* Ethereal - Network traffic analyzer
- * By Gerald Combs <gerald@zing.org>
+ * By Gerald Combs <gerald@ethereal.com>
* Copyright 1998 Gerald Combs
*
*
#include <string.h>
#include <glib.h>
#include "packet.h"
+#include "packet-ipv6.h"
#define TCP_PORT_COPS 3288
};
static const value_string cops_c_num_vals[] = {
- { COPS_OBJ_HANDLE, " Handle Object (Handle)" },
- { COPS_OBJ_CONTEXT, " Context Object (Context)" },
- { COPS_OBJ_IN_INT, " In-Interface Object (IN-Int)" },
- { COPS_OBJ_OUT_INT, " Out-Interface Object (OUT-Int)" },
- { COPS_OBJ_REASON, " Reason Object (Reason)" },
- { COPS_OBJ_DECISION, " Decision Object (Decision)" },
- { COPS_OBJ_LPDPDECISION, " LPDP Decision Object (LPDPDecision)" },
- { COPS_OBJ_ERROR, " Error Object (Error)" },
- { COPS_OBJ_CLIENTSI, " Client Specific Information Object (ClientSI)" },
- { COPS_OBJ_KATIMER, " Keep-Alive Timer Object (KATimer)" },
- { COPS_OBJ_PEPID, " PEP Identification Object (PEPID)" },
- { COPS_OBJ_REPORT_TYPE, " Report-Type Object (Report-Type)" },
- { COPS_OBJ_PDPREDIRADDR, " PDP Redirect Address Object (PDPRedirAddr)" },
- { COPS_OBJ_LASTPDPADDR, " Last PDP Address (LastPDPaddr)" },
- { COPS_OBJ_ACCTTIMER, " Accounting Timer Object (AcctTimer)" },
- { COPS_OBJ_INTEGRITY, " Message Integrity Object (Integrity)" },
+ { COPS_OBJ_HANDLE, "Handle Object (Handle)" },
+ { COPS_OBJ_CONTEXT, "Context Object (Context)" },
+ { COPS_OBJ_IN_INT, "In-Interface Object (IN-Int)" },
+ { COPS_OBJ_OUT_INT, "Out-Interface Object (OUT-Int)" },
+ { COPS_OBJ_REASON, "Reason Object (Reason)" },
+ { COPS_OBJ_DECISION, "Decision Object (Decision)" },
+ { COPS_OBJ_LPDPDECISION, "LPDP Decision Object (LPDPDecision)" },
+ { COPS_OBJ_ERROR, "Error Object (Error)" },
+ { COPS_OBJ_CLIENTSI, "Client Specific Information Object (ClientSI)" },
+ { COPS_OBJ_KATIMER, "Keep-Alive Timer Object (KATimer)" },
+ { COPS_OBJ_PEPID, "PEP Identification Object (PEPID)" },
+ { COPS_OBJ_REPORT_TYPE, "Report-Type Object (Report-Type)" },
+ { COPS_OBJ_PDPREDIRADDR, "PDP Redirect Address Object (PDPRedirAddr)" },
+ { COPS_OBJ_LASTPDPADDR, "Last PDP Address (LastPDPaddr)" },
+ { COPS_OBJ_ACCTTIMER, "Accounting Timer Object (AcctTimer)" },
+ { COPS_OBJ_INTEGRITY, "Message Integrity Object (Integrity)" },
{ 0, NULL },
};
+/* R-Type is carried within the Context Object */
+static const value_string cops_r_type_vals[] = {
+ { 0x01, "Incoming-Message/Admission Control request" },
+ { 0x02, "Resource-Allocation request" },
+ { 0x04, "Outgoing-Message request" },
+ { 0x08, "Configuration request" },
+ { 0, NULL },
+};
+
+/* Reason-Code is carried within the Reason object */
+static const value_string cops_reason_vals[] = {
+ { 1, "Unspecified" },
+ { 2, "Management" },
+ { 3, "Preempted (Another request state takes precedence)" },
+ { 4, "Tear (Used to communicate a signaled state removal)" },
+ { 5, "Timeout (Local state has timed-out)" },
+ { 6, "Route Change (Change invalidates request state)" },
+ { 7, "Insufficient Resources (No local resource available)" },
+ { 8, "PDP's Directive (PDP decision caused the delete)" },
+ { 9, "Unsupported decision (PDP decision not supported)" },
+ { 10, "Synchronize Handle Unknown" },
+ { 11, "Transient Handle (stateless event)" },
+ { 12, "Malformed Decision (could not recover)" },
+ { 13, "Unknown COPS Object from PDP" },
+ { 0, NULL },
+};
+
+/* Command-Code is carried within the Decision object if C-Type is 1 */
+static const value_string cops_dec_cmd_code_vals[] = {
+ { 0, "NULL Decision (No configuration data available)" },
+ { 1, "Install (Admit request/Install configuration)" },
+ { 2, "Remove (Remove request/Remove configuration)" },
+ { 0, NULL },
+};
+
+/* Decision flags are also carried with the Decision object if C-Type is 1 */
+static const value_string cops_dec_cmd_flag_vals[] = {
+ { 0x00, "<None set>" },
+ { 0x01, "Trigger Error (Trigger error message if set)" },
+ { 0, NULL },
+};
+
+/* Error-Code from Error object */
+static const value_string cops_error_vals[] = {
+ {1, "Bad handle" },
+ {2, "Invalid handle reference" },
+ {3, "Bad message format (Malformed Message)" },
+ {4, "Unable to process (server gives up on query)" },
+ {5, "Mandatory client-specific info missing" },
+ {6, "Unsupported client" },
+ {7, "Mandatory COPS object missing" },
+ {8, "Client Failure" },
+ {9, "Communication Failure" },
+ {10, "Unspecified" },
+ {11, "Shutting down" },
+ {12, "Redirect to Preferred Server" },
+ {13, "Unknown COPS Object" },
+ {14, "Authentication Failure" },
+ {15, "Authentication Required" },
+ {0, NULL },
+};
+
+/* Report-Type from Report-Type object */
+static const value_string cops_report_type_vals[] = {
+ {1, " Success : Decision was successful at the PEP" },
+ {2, " Failure : Decision could not be completed by PEP" },
+ {3, " Accounting: Accounting update for an installed state" },
+ {0, NULL },
+};
+
/* Initialize the protocol and registered fields */
static gint proto_cops = -1;
static gint hf_cops_ver_flags = -1;
static gint hf_cops_obj_c_num = -1;
static gint hf_cops_obj_c_type = -1;
+static gint hf_cops_r_type_flags = -1;
+static gint hf_cops_m_type_flags = -1;
+
+static gint hf_cops_in_int_ipv4 = -1;
+static gint hf_cops_in_int_ipv6 = -1;
+static gint hf_cops_out_int_ipv4 = -1;
+static gint hf_cops_out_int_ipv6 = -1;
+static gint hf_cops_int_ifindex = -1;
+
+static gint hf_cops_reason = -1;
+static gint hf_cops_reason_sub = -1;
+
+static gint hf_cops_dec_cmd_code = -1;
+static gint hf_cops_dec_flags = -1;
+
+static gint hf_cops_error = -1;
+static gint hf_cops_error_sub = -1;
+
+static gint hf_cops_katimer = -1;
+
+static gint hf_cops_pepid = -1;
+
+static gint hf_cops_report_type = -1;
+
+static gint hf_cops_pdprediraddr_ipv4 = -1;
+static gint hf_cops_pdprediraddr_ipv6 = -1;
+static gint hf_cops_lastpdpaddr_ipv4 = -1;
+static gint hf_cops_lastpdpaddr_ipv6 = -1;
+static gint hf_cops_pdp_tcp_port = -1;
+
+static gint hf_cops_accttimer = -1;
+
+static gint hf_cops_key_id = -1;
+static gint hf_cops_seq_num = -1;
+
/* Initialize the subtree pointers */
static gint ett_cops = -1;
static gint ett_cops_ver_flags = -1;
static gint ett_cops_obj = -1;
+static gint ett_cops_obj_data = -1;
+static gint ett_cops_r_type_flags = -1;
+static gint ett_cops_itf = -1;
+static gint ett_cops_reason = -1;
+static gint ett_cops_decision = -1;
+static gint ett_cops_error = -1;
+static gint ett_cops_pdp = -1;
static int dissect_cops_object(tvbuff_t *tvb, guint32 offset, proto_tree *tree);
+static int dissect_cops_object_data(tvbuff_t *tvb, guint32 offset, proto_tree *tree,
+ guint8 c_num, guint8 c_type, guint16 len);
/* Code to actually dissect the packets */
-#if 0
static void dissect_cops(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
guint8 op_code;
-#else
-static void dissect_cops(const u_char *pd, int o, frame_data *fd, proto_tree *tree)
-{
- tvbuff_t *tvb;
- packet_info *pinfo = π
- guint8 op_code;
- tvb = tvb_new_subset(pinfo->compat_top_tvb, o, -1, -1);
-#endif
- pinfo->current_proto = "COPS";
if (check_col(pinfo->fd, COL_PROTOCOL))
- col_add_str(pinfo->fd, COL_PROTOCOL, "COPS");
+ col_set_str(pinfo->fd, COL_PROTOCOL, "COPS");
+ if (check_col(pinfo->fd, COL_INFO))
+ col_clear(pinfo->fd, COL_INFO);
op_code = tvb_get_guint8(tvb, 1);
if (check_col(pinfo->fd, COL_INFO))
if (tree) {
proto_item *ti, *tv;
proto_tree *cops_tree, *ver_flags_tree;
- guint32 offset, msg_len, carbage;
+ guint32 offset, msg_len;
guint8 ver_flags;
-
+ gint garbage;
offset = 0;
ti = proto_tree_add_item(tree, proto_cops, tvb, offset, tvb_length(tvb), FALSE);
offset += consumed;
}
- carbage = tvb_length_remaining(tvb, offset);
- if (carbage != 0)
- proto_tree_add_text(cops_tree, tvb, offset, carbage,
- "Trailing carbage: %u byte%s", carbage,
- plurality(carbage, "", "s"));
+ garbage = tvb_length_remaining(tvb, offset);
+ if (garbage > 0)
+ proto_tree_add_text(cops_tree, tvb, offset, garbage,
+ "Trailing garbage: %d byte%s", garbage,
+ plurality(garbage, "", "s"));
}
return;
}
+static char *cops_c_type_to_str(guint8 c_num, guint8 c_type)
+{
+ switch (c_num) {
+ case COPS_OBJ_HANDLE:
+ if (c_type == 1)
+ return "Client Handle";
+ break;
+ case COPS_OBJ_IN_INT:
+ case COPS_OBJ_OUT_INT:
+ if (c_type == 1)
+ return "IPv4 Address + Interface";
+ else if (c_type == 2)
+ return "IPv6 Address + Interface";
+ break;
+ case COPS_OBJ_DECISION:
+ case COPS_OBJ_LPDPDECISION:
+ if (c_type == 1)
+ return "Decision Flags (Mandatory)";
+ else if (c_type == 2)
+ return "Stateless Data";
+ else if (c_type == 3)
+ return "Replacement Data";
+ else if (c_type == 4)
+ return "Client Specific Decision Data";
+ else if (c_type == 5)
+ return "Named Decision Data";
+ break;
+ case COPS_OBJ_CLIENTSI:
+ if (c_type == 1)
+ return "Signaled ClientSI";
+ else if (c_type == 2)
+ return "Named ClientSI";
+ break;
+ case COPS_OBJ_KATIMER:
+ if (c_type == 1)
+ return "Keep-alive timer value";
+ break;
+ case COPS_OBJ_PDPREDIRADDR:
+ case COPS_OBJ_LASTPDPADDR:
+ if (c_type == 1)
+ return "IPv4 Address + TCP Port";
+ else if (c_type == 2)
+ return "IPv6 Address + TCP Port";
+ break;
+ case COPS_OBJ_ACCTTIMER:
+ if (c_type == 1)
+ return "Accounting timer value";
+ break;
+ case COPS_OBJ_INTEGRITY:
+ if (c_type == 1)
+ return "HMAC digest";
+ break;
+ }
+
+ return "";
+}
+
static int dissect_cops_object(tvbuff_t *tvb, guint32 offset, proto_tree *tree)
{
guint16 object_len, contents_len;
guint8 c_num, c_type;
proto_item *ti;
proto_tree *obj_tree;
+ char *type_str;
+ int ret;
if (tvb_length_remaining(tvb, offset) < COPS_OBJECT_HDR_SIZE)
return 0;
c_type = tvb_get_guint8(tvb, offset + 3);
ti = proto_tree_add_uint_format(tree, hf_cops_obj_c_num, tvb, offset, object_len, c_num,
- "Object Type: %s", val_to_str(c_num, cops_c_num_vals, "Unknown"));
+ "%s: %s", val_to_str(c_num, cops_c_num_vals, "Unknown"),
+ cops_c_type_to_str(c_num, c_type));
obj_tree = proto_item_add_subtree(ti, ett_cops_obj);
proto_tree_add_uint(obj_tree, hf_cops_obj_len, tvb, offset, 2, tvb_get_ntohs(tvb, offset));
offset += 2;
- proto_tree_add_uint(obj_tree, hf_cops_obj_c_num, tvb, offset, 1, tvb_get_guint8(tvb, offset));
+ proto_tree_add_uint(obj_tree, hf_cops_obj_c_num, tvb, offset, 1, c_num);
offset++;
- proto_tree_add_uint(obj_tree, hf_cops_obj_c_type, tvb, offset, 1, tvb_get_guint8(tvb, offset));
+ type_str = cops_c_type_to_str(c_num, c_type);
+ proto_tree_add_text(obj_tree, tvb, offset, 1, "C-Type: %s%s%u%s",
+ type_str,
+ strlen(type_str) ? " (" : "",
+ c_type,
+ strlen(type_str) ? ")" : "");
offset++;
contents_len = object_len - COPS_OBJECT_HDR_SIZE;
- proto_tree_add_text(obj_tree, tvb, offset, contents_len,
- "Object contents: %u bytes", contents_len);
+ ret = dissect_cops_object_data(tvb, offset, obj_tree, c_num, c_type, contents_len);
+ if (ret < 0) return 0;
/* Pad to 32bit boundary */
if (object_len % sizeof (guint32))
}
+static int dissect_cops_object_data(tvbuff_t *tvb, guint32 offset, proto_tree *tree,
+ guint8 c_num, guint8 c_type, guint16 len)
+{
+ proto_item *ti;
+ proto_tree *r_type_tree, *itf_tree, *reason_tree, *dec_tree, *error_tree, *pdp_tree;
+ guint16 r_type, m_type, reason, reason_sub, cmd_code, cmd_flags, error, error_sub, tcp_port;
+ guint32 ipv4addr, ifindex;
+ struct e_in6_addr ipv6addr;
+
+ switch (c_num) {
+ case COPS_OBJ_CONTEXT:
+ r_type = tvb_get_ntohs(tvb, offset);
+ m_type = tvb_get_ntohs(tvb, offset + 2);
+ ti = proto_tree_add_text(tree, tvb, offset, 4, "Contents: R-Type: %s, M-Type: %u",
+ val_to_str(r_type, cops_r_type_vals, "Unknown"),
+ m_type);
+
+ r_type_tree = proto_item_add_subtree(ti, ett_cops_r_type_flags);
+ proto_tree_add_uint(r_type_tree, hf_cops_r_type_flags, tvb, offset, 2, r_type);
+ offset += 2;
+ proto_tree_add_uint(r_type_tree, hf_cops_m_type_flags, tvb, offset, 2, m_type);
+
+ return 0;
+ break;
+ case COPS_OBJ_IN_INT:
+ case COPS_OBJ_OUT_INT:
+ if (c_type == 1) { /* IPv4 */
+ tvb_memcpy(tvb, (guint8 *)&ipv4addr, offset, 4);
+ ifindex = tvb_get_ntohl(tvb, offset + 4);
+ ti = proto_tree_add_text(tree, tvb, offset, 8, "Contents: IPv4 address %s, ifIndex: %u",
+ ip_to_str((guint8 *)&ipv4addr), ifindex);
+ itf_tree = proto_item_add_subtree(ti, ett_cops_itf);
+ proto_tree_add_ipv4(itf_tree,
+ (c_num == COPS_OBJ_IN_INT) ? hf_cops_in_int_ipv4 : hf_cops_out_int_ipv4,
+ tvb, offset, 4, ipv4addr);
+ offset += 4;
+ } else if (c_type == 2) { /* IPv6 */
+ tvb_memcpy(tvb, (guint8 *)&ipv6addr, offset, sizeof ipv6addr);
+ ifindex = tvb_get_ntohl(tvb, offset + sizeof ipv6addr);
+ ti = proto_tree_add_text(tree, tvb, offset, 20, "Contents: IPv6 address %s, ifIndex: %u",
+ ip6_to_str(&ipv6addr), ifindex);
+ itf_tree = proto_item_add_subtree(ti, ett_cops_itf);
+ proto_tree_add_ipv6(itf_tree,
+ (c_num == COPS_OBJ_IN_INT) ? hf_cops_in_int_ipv6 : hf_cops_out_int_ipv6,
+ tvb, offset, 16, (guint8 *)&ipv6addr);
+ offset += 16;
+ } else {
+ break;
+ }
+ proto_tree_add_uint(itf_tree, hf_cops_int_ifindex, tvb, offset, 4, ifindex);
+
+ return 0;
+ break;
+ case COPS_OBJ_REASON:
+ reason = tvb_get_ntohs(tvb, offset);
+ reason_sub = tvb_get_ntohs(tvb, offset + 2);
+ ti = proto_tree_add_text(tree, tvb, offset, 4, "Contents: Reason-Code: %s, Reason Sub-code: 0x%04x",
+ val_to_str(reason, cops_reason_vals, "<Unknown value>"), reason_sub);
+ reason_tree = proto_item_add_subtree(ti, ett_cops_reason);
+ proto_tree_add_uint(reason_tree, hf_cops_reason, tvb, offset, 2, reason);
+ offset += 2;
+ if (reason == 13) {
+ proto_tree_add_text(reason_tree, tvb, offset, 2, "Reason Sub-code: "
+ "Unknown object's C-Num %u, C-Type %u",
+ tvb_get_guint8(tvb, offset), tvb_get_guint8(tvb, offset + 1));
+ } else
+ proto_tree_add_uint(reason_tree, hf_cops_reason_sub, tvb, offset, 2, reason_sub);
+
+ return 0;
+ break;
+ case COPS_OBJ_DECISION:
+ case COPS_OBJ_LPDPDECISION:
+ if (c_type != 1)
+ break;
+
+ cmd_code = tvb_get_ntohs(tvb, offset);
+ cmd_flags = tvb_get_ntohs(tvb, offset + 2);
+ ti = proto_tree_add_text(tree, tvb, offset, 4, "Contents: Command-Code: %s, Flags: %s",
+ val_to_str(cmd_code, cops_dec_cmd_code_vals, "<Unknown value>"),
+ val_to_str(cmd_flags, cops_dec_cmd_flag_vals, "<Unknown flag>"));
+ dec_tree = proto_item_add_subtree(ti, ett_cops_decision);
+ proto_tree_add_uint(dec_tree, hf_cops_dec_cmd_code, tvb, offset, 2, cmd_code);
+ offset += 2;
+ proto_tree_add_uint(dec_tree, hf_cops_dec_flags, tvb, offset, 2, cmd_flags);
+
+ return 0;
+ break;
+ case COPS_OBJ_ERROR:
+ if (c_type != 1)
+ break;
+
+ error = tvb_get_ntohs(tvb, offset);
+ error_sub = tvb_get_ntohs(tvb, offset + 2);
+ ti = proto_tree_add_text(tree, tvb, offset, 4, "Contents: Error-Code: %s, Error Sub-code: 0x%04x",
+ val_to_str(error, cops_error_vals, "<Unknown value>"), error_sub);
+ error_tree = proto_item_add_subtree(ti, ett_cops_error);
+ proto_tree_add_uint(error_tree, hf_cops_error, tvb, offset, 2, error);
+ offset += 2;
+ if (error == 13) {
+ proto_tree_add_text(error_tree, tvb, offset, 2, "Error Sub-code: "
+ "Unknown object's C-Num %u, C-Type %u",
+ tvb_get_guint8(tvb, offset), tvb_get_guint8(tvb, offset + 1));
+ } else
+ proto_tree_add_uint(error_tree, hf_cops_error_sub, tvb, offset, 2, error_sub);
+
+ return 0;
+ break;
+ case COPS_OBJ_KATIMER:
+ if (c_type != 1)
+ break;
+
+ proto_tree_add_item(tree, hf_cops_katimer, tvb, offset + 2, 2, FALSE);
+ if (tvb_get_ntohs(tvb, offset + 2) == 0)
+ proto_tree_add_text(tree, tvb, offset, 0, "Value of zero implies infinity.");
+
+ return 0;
+ break;
+ case COPS_OBJ_PEPID:
+ if (c_type != 1)
+ break;
+
+ if (tvb_strnlen(tvb, offset, len) == -1)
+ proto_tree_add_text(tree, tvb, offset, len, "<PEP Id is not a NUL terminated ASCII string>");
+ else
+ proto_tree_add_item(tree, hf_cops_pepid, tvb, offset,
+ tvb_strnlen(tvb, offset, len) + 1, FALSE);
+
+ return 0;
+ break;
+ case COPS_OBJ_REPORT_TYPE:
+ if (c_type != 1)
+ break;
+
+ proto_tree_add_item(tree, hf_cops_report_type, tvb, offset, 2, FALSE);
+
+ return 0;
+ break;
+ case COPS_OBJ_PDPREDIRADDR:
+ case COPS_OBJ_LASTPDPADDR:
+ if (c_type == 1) { /* IPv4 */
+ tvb_memcpy(tvb, (guint8 *)&ipv4addr, offset, 4);
+ tcp_port = tvb_get_ntohs(tvb, offset + 4 + 2);
+ ti = proto_tree_add_text(tree, tvb, offset, 8, "Contents: IPv4 address %s, TCP Port Number: %u",
+ ip_to_str((guint8 *)&ipv4addr), tcp_port);
+ pdp_tree = proto_item_add_subtree(ti, ett_cops_pdp);
+ proto_tree_add_ipv4(pdp_tree,
+ (c_num == COPS_OBJ_PDPREDIRADDR) ? hf_cops_pdprediraddr_ipv4 : hf_cops_lastpdpaddr_ipv4,
+ tvb, offset, 4, ipv4addr);
+ offset += 4;
+ } else if (c_type == 2) { /* IPv6 */
+ tvb_memcpy(tvb, (guint8 *)&ipv6addr, offset, sizeof ipv6addr);
+ tcp_port = tvb_get_ntohs(tvb, offset + sizeof ipv6addr + 2);
+ ti = proto_tree_add_text(tree, tvb, offset, 20, "Contents: IPv6 address %s, TCP Port Number: %u",
+ ip6_to_str(&ipv6addr), tcp_port);
+ pdp_tree = proto_item_add_subtree(ti, ett_cops_pdp);
+ proto_tree_add_ipv6(pdp_tree,
+ (c_num == COPS_OBJ_PDPREDIRADDR) ? hf_cops_pdprediraddr_ipv6 : hf_cops_lastpdpaddr_ipv6,
+ tvb, offset, 16, (guint8 *)&ipv6addr);
+ offset += 16;
+ } else {
+ break;
+ }
+ offset += 2;
+ proto_tree_add_uint(pdp_tree, hf_cops_pdp_tcp_port, tvb, offset, 2, tcp_port);
+
+ return 0;
+ break;
+ case COPS_OBJ_ACCTTIMER:
+ if (c_type != 1)
+ break;
+
+ proto_tree_add_item(tree, hf_cops_accttimer, tvb, offset + 2, 2, FALSE);
+ if (tvb_get_ntohs(tvb, offset + 2) == 0)
+ proto_tree_add_text(tree, tvb, offset, 0, "Value of zero means "
+ "there SHOULD be no unsolicited accounting updates.");
+
+ return 0;
+ break;
+ case COPS_OBJ_INTEGRITY:
+ if (c_type != 1)
+ break; /* Not HMAC digest */
+
+ proto_tree_add_item(tree, hf_cops_key_id, tvb, offset, 4, FALSE);
+ proto_tree_add_item(tree, hf_cops_seq_num, tvb, offset + 4, 4, FALSE);
+ proto_tree_add_text(tree, tvb, offset + 8 , len - 8, "Contents: Keyed Message Digest");
+
+ return 0;
+ break;
+ default:
+ break;
+ }
+
+ ti = proto_tree_add_text(tree, tvb, offset, len, "Contents: %u bytes", len);
+
+ return 0;
+}
+
/* Register the protocol with Ethereal */
void proto_register_cops(void)
{
{ &hf_cops_ver_flags,
{ "Version and Flags", "cops.ver_flags",
FT_UINT8, BASE_HEX, NULL, 0x0,
- "Version and Flags in COPS Common Header" }
+ "Version and Flags in COPS Common Header", HFILL }
},
{ &hf_cops_version,
{ "Version", "cops.version",
FT_UINT8, BASE_DEC, NULL, 0xF0,
- "Version in COPS Common Header" }
+ "Version in COPS Common Header", HFILL }
},
{ &hf_cops_flags,
{ "Flags", "cops.flags",
FT_UINT8, BASE_HEX, VALS(cops_flags_vals), 0x0F,
- "Flags in COPS Common Header" }
+ "Flags in COPS Common Header", HFILL }
},
{ &hf_cops_op_code,
{ "Op Code", "cops.op_code",
FT_UINT8, BASE_DEC, VALS(cops_op_code_vals), 0x0,
- "Op Code in COPS Common Header" }
+ "Op Code in COPS Common Header", HFILL }
},
{ &hf_cops_client_type,
{ "Client Type", "cops.client_type",
FT_UINT16, BASE_DEC, NULL, 0x0,
- "Client Type in COPS Common Header" }
+ "Client Type in COPS Common Header", HFILL }
},
{ &hf_cops_msg_len,
{ "Message Length", "cops.msg_len",
FT_UINT32, BASE_DEC, NULL, 0x0,
- "Message Length in COPS Common Header" }
+ "Message Length in COPS Common Header", HFILL }
},
{ &hf_cops_obj_len,
{ "Object Length", "cops.obj.len",
FT_UINT32, BASE_DEC, NULL, 0x0,
- "Object Length in COPS Object Header" }
+ "Object Length in COPS Object Header", HFILL }
},
{ &hf_cops_obj_c_num,
- { "C-Num", "cops.obj.c_num",
+ { "C-Num", "cops.c_num",
FT_UINT8, BASE_DEC, VALS(cops_c_num_vals), 0x0,
- "C-Num in COPS Object Header" }
+ "C-Num in COPS Object Header", HFILL }
},
{ &hf_cops_obj_c_type,
- { "C-Type", "cops.obj.c_type",
+ { "C-Type", "cops.c_type",
FT_UINT8, BASE_DEC, NULL, 0x0,
- "C-Type in COPS Object Header" }
+ "C-Type in COPS Object Header", HFILL }
+ },
+ { &hf_cops_r_type_flags,
+ { "R-Type", "cops.context.r_type",
+ FT_UINT16, BASE_HEX, VALS(cops_r_type_vals), 0xFFFF,
+ "R-Type in COPS Context Object", HFILL }
+ },
+ { &hf_cops_m_type_flags,
+ { "M-Type", "cops.context.m_type",
+ FT_UINT16, BASE_HEX, NULL, 0xFFFF,
+ "M-Type in COPS Context Object", HFILL }
+ },
+ { &hf_cops_in_int_ipv4,
+ { "IPv4 address", "cops.in-int.ipv4",
+ FT_IPv4, 0, NULL, 0xFFFF,
+ "IPv4 address in COPS IN-Int object", HFILL }
+ },
+ { &hf_cops_in_int_ipv6,
+ { "IPv6 address", "cops.in-int.ipv6",
+ FT_IPv6, 0, NULL, 0xFFFF,
+ "IPv6 address in COPS IN-Int object", HFILL }
+ },
+ { &hf_cops_out_int_ipv4,
+ { "IPv4 address", "cops.out-int.ipv4",
+ FT_IPv4, 0, NULL, 0xFFFF,
+ "IPv4 address in COPS OUT-Int object", HFILL }
+ },
+ { &hf_cops_out_int_ipv6,
+ { "IPv6 address", "cops.out-int.ipv6",
+ FT_IPv6, 0, NULL, 0xFFFF,
+ "IPv6 address in COPS OUT-Int", HFILL }
+ },
+ { &hf_cops_int_ifindex,
+ { "ifIndex", "cops.in-out-int.ifindex",
+ FT_UINT32, BASE_DEC, NULL, 0x0,
+ "If SNMP is supported, corresponds to MIB-II ifIndex", HFILL }
+ },
+ { &hf_cops_reason,
+ { "Reason", "cops.reason",
+ FT_UINT16, BASE_DEC, VALS(cops_reason_vals), 0,
+ "Reason in Reason object", HFILL }
+ },
+ { &hf_cops_reason_sub,
+ { "Reason Sub-code", "cops.reason_sub",
+ FT_UINT16, BASE_HEX, NULL, 0,
+ "Reason Sub-code in Reason object", HFILL }
+ },
+ { &hf_cops_dec_cmd_code,
+ { "Command-Code", "cops.decision.cmd",
+ FT_UINT16, BASE_DEC, VALS(cops_dec_cmd_code_vals), 0,
+ "Command-Code in Decision/LPDP Decision object", HFILL }
+ },
+ { &hf_cops_dec_flags,
+ { "Flags", "cops.decision.flags",
+ FT_UINT16, BASE_HEX, VALS(cops_dec_cmd_flag_vals), 0xffff,
+ "Flags in Decision/LPDP Decision object", HFILL }
+ },
+ { &hf_cops_error,
+ { "Error", "cops.error",
+ FT_UINT16, BASE_DEC, VALS(cops_error_vals), 0,
+ "Error in Error object", HFILL }
+ },
+ { &hf_cops_error_sub,
+ { "Error Sub-code", "cops.error_sub",
+ FT_UINT16, BASE_HEX, NULL, 0,
+ "Error Sub-code in Error object", HFILL }
+ },
+ { &hf_cops_katimer,
+ { "Contents: KA Timer Value", "cops.katimer.value",
+ FT_UINT16, BASE_DEC, NULL, 0,
+ "Keep-Alive Timer Value in KATimer object", HFILL }
+ },
+ { &hf_cops_pepid,
+ { "Contents: PEP Id", "cops.pepid.id",
+ FT_STRING, BASE_NONE, NULL, 0,
+ "PEP Id in PEPID object", HFILL }
+ },
+ { &hf_cops_report_type,
+ { "Contents: Report-Type", "cops.report_type",
+ FT_UINT16, BASE_DEC, VALS(cops_report_type_vals), 0,
+ "Report-Type in Report-Type object", HFILL }
+ },
+ { &hf_cops_pdprediraddr_ipv4,
+ { "IPv4 address", "cops.pdprediraddr.ipv4",
+ FT_IPv4, 0, NULL, 0xFFFF,
+ "IPv4 address in COPS PDPRedirAddr object", HFILL }
+ },
+ { &hf_cops_pdprediraddr_ipv6,
+ { "IPv6 address", "cops.pdprediraddr.ipv6",
+ FT_IPv6, 0, NULL, 0xFFFF,
+ "IPv6 address in COPS PDPRedirAddr object", HFILL }
+ },
+ { &hf_cops_lastpdpaddr_ipv4,
+ { "IPv4 address", "cops.lastpdpaddr.ipv4",
+ FT_IPv4, 0, NULL, 0xFFFF,
+ "IPv4 address in COPS LastPDPAddr object", HFILL }
+ },
+ { &hf_cops_lastpdpaddr_ipv6,
+ { "IPv6 address", "cops.lastpdpaddr.ipv6",
+ FT_IPv6, 0, NULL, 0xFFFF,
+ "IPv6 address in COPS LastPDPAddr object", HFILL }
+ },
+ { &hf_cops_pdp_tcp_port,
+ { "TCP Port Number", "cops.pdp.tcp_port",
+ FT_UINT32, BASE_DEC, NULL, 0x0,
+ "TCP Port Number of PDP in PDPRedirAddr/LastPDPAddr object", HFILL }
+ },
+ { &hf_cops_accttimer,
+ { "Contents: ACCT Timer Value", "cops.accttimer.value",
+ FT_UINT16, BASE_DEC, NULL, 0,
+ "Accounting Timer Value in AcctTimer object", HFILL }
+ },
+ { &hf_cops_key_id,
+ { "Contents: Key ID", "cops.integrity.key_id",
+ FT_UINT32, BASE_DEC, NULL, 0,
+ "Key ID in Integrity object", HFILL }
+ },
+ { &hf_cops_seq_num,
+ { "Contents: Sequence Number", "cops.integrity.seq_num",
+ FT_UINT32, BASE_DEC, NULL, 0,
+ "Sequence Number in Integrity object", HFILL }
},
};
&ett_cops,
&ett_cops_ver_flags,
&ett_cops_obj,
+ &ett_cops_obj_data,
+ &ett_cops_r_type_flags,
+ &ett_cops_itf,
+ &ett_cops_reason,
+ &ett_cops_decision,
+ &ett_cops_error,
+ &ett_cops_pdp,
};
/* Register the protocol name and description */
- proto_cops = proto_register_protocol("Common Open Policy Service", "cops");
+ proto_cops = proto_register_protocol("Common Open Policy Service",
+ "COPS", "cops");
/* Required function calls to register the header fields and subtrees used */
proto_register_field_array(proto_cops, hf, array_length(hf));
void
proto_reg_handoff_cops(void)
{
- dissector_add("tcp.port", TCP_PORT_COPS, dissect_cops);
+ dissector_add("tcp.port", TCP_PORT_COPS, dissect_cops, proto_cops);
}
-