/* packet-srvloc.c
* Routines for SRVLOC (Service Location Protocol) packet dissection
* Copyright 1999, James Coe <jammer@cin.net>
+ * Copyright 2002, Brad Hards
+ * Updated for TCP segments by Greg Morris <gmorris@novell.com>
+ * Copyright 2003, Greg Morris
*
* NOTE: This is Alpha software not all features have been verified yet.
- * In particular I have not had an opportunity to see how it
+ * In particular I have not had an opportunity to see how it
* responds to SRVLOC over TCP.
*
- * $Id: packet-srvloc.c,v 1.24 2001/06/18 02:17:53 guy Exp $
+ * $Id: packet-srvloc.c,v 1.43 2003/10/01 21:15:45 guy Exp $
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@ethereal.com>
* Copyright 1998 Gerald Combs
*
* Service Location Protocol is RFC 2165
+ * Service Location Protocol Version 2 is RFC 2608
+ * - partial support by Brad Hards <bradh@frogmouth.net>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
- *
+ *
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
- *
+ *
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#include <stdio.h>
#include <stdlib.h>
-#ifdef HAVE_SYS_TYPES_H
-# include <sys/types.h>
-#endif
-
-#ifdef HAVE_NETINET_IN_H
-# include <netinet/in.h>
-#endif
-
#include <string.h>
#include <time.h>
#include <glib.h>
-#ifdef NEED_SNPRINTF_H
-# include "snprintf.h"
-#endif
-
-#include "packet.h"
-#include "strutil.h"
+#include <epan/packet.h>
+#include <epan/strutil.h>
+#include "prefs.h"
+#include "packet-tcp.h"
+#include "reassemble.h"
+static gboolean srvloc_desegment = TRUE;
static int proto_srvloc = -1;
static int hf_srvloc_version = -1;
static int hf_srvloc_function = -1;
-static int hf_srvloc_flags = -1;
+static int hf_srvloc_pktlen = -1;
+static int hf_srvloc_xid = -1;
+static int hf_srvloc_langtaglen = -1;
+static int hf_srvloc_langtag = -1;
+static int hf_srvloc_nextextoff = -1;
+static int hf_srvloc_flags_v1 = -1;
+static int hf_srvloc_flags_v1_overflow = -1;
+static int hf_srvloc_flags_v1_monolingual = -1;
+static int hf_srvloc_flags_v1_url_auth = -1;
+static int hf_srvloc_flags_v1_attribute_auth = -1;
+static int hf_srvloc_flags_v1_fresh = -1;
static int hf_srvloc_error = -1;
+static int hf_srvloc_flags_v2 = -1;
+static int hf_srvloc_flags_v2_overflow = -1;
+static int hf_srvloc_flags_v2_fresh = -1;
+static int hf_srvloc_flags_v2_reqmulti = -1;
+static int hf_srvloc_error_v2 = -1;
+static int hf_srvloc_daadvert_timestamp = -1;
+static int hf_srvloc_daadvert_urllen = -1;
+static int hf_srvloc_daadvert_url = -1;
+static int hf_srvloc_daadvert_scopelistlen = -1;
+static int hf_srvloc_daadvert_scopelist = -1;
+static int hf_srvloc_daadvert_attrlistlen = -1;
+static int hf_srvloc_daadvert_attrlist = -1;
+static int hf_srvloc_daadvert_slpspilen = -1;
+static int hf_srvloc_daadvert_slpspi = -1;
+static int hf_srvloc_daadvert_authcount = -1;
+static int hf_srvloc_srvreq_prlistlen = -1;
+static int hf_srvloc_srvreq_prlist = -1;
+static int hf_srvloc_srvreq_srvtypelen = -1;
+static int hf_srvloc_srvreq_srvtypelist = -1;
+static int hf_srvloc_srvreq_scopelistlen = -1;
+static int hf_srvloc_srvreq_scopelist = -1;
+static int hf_srvloc_srvreq_predicatelen = -1;
+static int hf_srvloc_srvreq_predicate = -1;
+static int hf_srvloc_srvreq_slpspilen = -1;
+static int hf_srvloc_srvreq_slpspi = -1;
+static int hf_srvloc_srvrply_urlcount = -1;
+static int hf_srvloc_srvreg_attrlistlen = -1;
+static int hf_srvloc_srvreg_attrlist = -1;
+static int hf_srvloc_srvreg_attrauthcount = -1;
+static int hf_srvloc_srvreg_srvtypelen = -1;
+static int hf_srvloc_srvreg_srvtype = -1;
+static int hf_srvloc_srvreg_scopelistlen = -1;
+static int hf_srvloc_srvreg_scopelist = -1;
+static int hf_srvloc_srvdereg_scopelistlen = -1;
+static int hf_srvloc_srvdereg_scopelist = -1;
+static int hf_srvloc_srvdereg_taglistlen = -1;
+static int hf_srvloc_srvdereg_taglist = -1;
+static int hf_srvloc_attrreq_prlistlen = -1;
+static int hf_srvloc_attrreq_prlist = -1;
+static int hf_srvloc_attrreq_urllen = -1;
+static int hf_srvloc_attrreq_url = -1;
+static int hf_srvloc_attrreq_scopelistlen = -1;
+static int hf_srvloc_attrreq_scopelist = -1;
+static int hf_srvloc_attrreq_attrlistlen = -1;
+static int hf_srvloc_attrreq_attrlist = -1;
+static int hf_srvloc_attrreq_taglistlen = -1;
+static int hf_srvloc_attrreq_taglist = -1;
+static int hf_srvloc_attrreq_slpspilen = -1;
+static int hf_srvloc_attrreq_slpspi = -1;
+static int hf_srvloc_attrrply_attrlistlen = -1;
+static int hf_srvloc_attrrply_attrlist = -1;
+static int hf_srvloc_attrrply_attrauthcount = -1;
+static int hf_srvloc_srvtypereq_prlistlen = -1;
+static int hf_srvloc_srvtypereq_prlist = -1;
+static int hf_srvloc_srvtypereq_nameauthlistlen = -1;
+static int hf_srvloc_srvtypereq_nameauthlistlenall = -1;
+static int hf_srvloc_srvtypereq_nameauthlist = -1;
+static int hf_srvloc_srvtypereq_scopelistlen = -1;
+static int hf_srvloc_srvtypereq_scopelist = -1;
+static int hf_srvloc_srvtyperply_srvtypelen = -1;
+static int hf_srvloc_srvtyperply_srvtype = -1;
+static int hf_srvloc_srvtyperply_srvtypelistlen = -1;
+static int hf_srvloc_srvtyperply_srvtypelist = -1;
+static int hf_srvloc_saadvert_urllen = -1;
+static int hf_srvloc_saadvert_url = -1;
+static int hf_srvloc_saadvert_scopelistlen = -1;
+static int hf_srvloc_saadvert_scopelist = -1;
+static int hf_srvloc_saadvert_attrlistlen = -1;
+static int hf_srvloc_saadvert_attrlist = -1;
+static int hf_srvloc_saadvert_authcount = -1;
+static int hf_srvloc_authblkv2_bsd = -1;
+static int hf_srvloc_authblkv2_len = -1;
+static int hf_srvloc_authblkv2_timestamp = -1;
+static int hf_srvloc_authblkv2_slpspilen = -1;
+static int hf_srvloc_authblkv2_slpspi = -1;
+static int hf_srvloc_url_reserved = -1;
+static int hf_srvloc_url_lifetime = -1;
+static int hf_srvloc_url_urllen = -1;
+static int hf_srvloc_url_url = -1;
+static int hf_srvloc_url_numauths = -1;
+
static gint ett_srvloc = -1;
static gint ett_srvloc_flags = -1;
+
+static const true_false_string tfs_srvloc_flags_overflow = {
+ "Message will not fit in datagram",
+ "Message will fit in a datagram"
+};
+static const true_false_string tfs_srvloc_flags_v1_monolingual = {
+ "Only responses in specified language will be accepted",
+ "Responses in any language will be accepted"
+};
+static const true_false_string tfs_srvloc_flags_v1_url_auth = {
+ "URL Authentication Block is present",
+ "URL Authentication Block is absent"
+};
+static const true_false_string tfs_srvloc_flags_v1_attribute_auth = {
+ "Attribute Authentication Block is present",
+ "Attribute Authentication Block is absent"
+};
+static const true_false_string tfs_srvloc_flags_fresh = {
+ "New Service Registration",
+ "Not a new Service Registration"
+};
+static const true_false_string tfs_srvloc_flags_v2_reqmulti = {
+ "Multicast (or broadcast) request",
+ "Not multicast or broadcast"
+};
+
+
#define TCP_PORT_SRVLOC 427
#define UDP_PORT_SRVLOC 427
#define DAADVERT 8
#define SRVTYPERQST 9
#define SRVTYPERPLY 10
+#define SAADVERT 11 /* SLPv2, section 8 */
/* Create protocol header structure */
+/* bradh: looks like never used. */
+/* bradh: comment it out for now since it doesn't work for v2
struct srvloc_hdr {
guint8 version;
guint8 function;
guint16 length;
guint8 flags;
guint8 dialect;
- u_char language[2];
+ guchar language[2];
guint16 encoding;
guint16 xid;
};
+*/
/* List to resolve function numbers to names */
static const value_string srvloc_functions[] = {
- { SRVREQ, "Service Request" },
- { SRVRPLY, "Service Reply" },
- { SRVREG, "Service Registration" },
- { SRVDEREG, "Service Deregister" },
- { SRVACK, "Service Acknowledge" },
- { ATTRRQST, "Attribute Request" },
- { ATTRRPLY, "Attribute Reply" },
- { DAADVERT, "DA Advertisement" },
- { SRVTYPERQST, "Service Type Request" },
- { SRVTYPERPLY, "Service Type Reply" },
+ { SRVREQ, "Service Request" },
+ { SRVRPLY, "Service Reply" },
+ { SRVREG, "Service Registration" },
+ { SRVDEREG, "Service Deregister" },
+ { SRVACK, "Service Acknowledge" },
+ { ATTRRQST, "Attribute Request" },
+ { ATTRRPLY, "Attribute Reply" },
+ { DAADVERT, "DA Advertisement" },
+ { SRVTYPERQST, "Service Type Request" },
+ { SRVTYPERPLY, "Service Type Reply" },
+ { SAADVERT, "SA Advertisement" }, /* v2 only */
{ 0, NULL }
};
#define FLAG_A 0x10
#define FLAG_F 0x08
-/* Define Error Codes */
+/* it all changes for Version 2 */
+#define FLAG_O_V2 0x8000
+#define FLAG_F_V2 0x4000
+#define FLAG_R_V2 0x2000
+
+/* Define Error Codes - Version 1*/
#define SUCCESS 0
#define LANG_NOT_SPTD 1
{ 0, NULL }
};
+/* Define Error Codes for Version 2 */
+
+#define LANGUAGE_NOT_SUPPORTED 1
+#define PARSE_ERROR 2
+#define INVALID_REGISTRATION 3
+#define SCOPE_NOT_SUPPORTED 4
+#define AUTHENTICATION_UNKNOWN 5
+#define AUTHENTICATION_ABSENT 6
+#define AUTHENTICATION_FAILED 7
+#define VER_NOT_SUPPORTED 9
+#define INTERNAL_ERROR 10
+#define DA_BUSY_NOW 11
+#define OPTION_NOT_UNDERSTOOD 12
+#define INVALID_UPDATE 13
+#define MSG_NOT_SUPPORTED 14
+#define REFRESH_REJECTED 15
+
+static const value_string srvloc_errs_v2[] = {
+ { SUCCESS, "No Error" },
+ { LANGUAGE_NOT_SUPPORTED, "No data in the requested language" },
+ { PARSE_ERROR, "The message fails to obey SLP syntax." },
+ { INVALID_REGISTRATION, "The SrvReg has problems" },
+ { SCOPE_NOT_SUPPORTED, "Scope list not supported" },
+ { AUTHENTICATION_UNKNOWN, "Unsupported SLP SPI." },
+ { AUTHENTICATION_ABSENT, "URL and ATTR authentication not provided"},
+ { AUTHENTICATION_FAILED, "Authentication error"},
+ { VER_NOT_SUPPORTED, "Unsupported version number in message header" },
+ { INTERNAL_ERROR, "The DA (or SA) is too sick to respond" },
+ { DA_BUSY_NOW, "UA or SA SHOULD retry" },
+ { OPTION_NOT_UNDERSTOOD, "Unknown option from the mandatory range"},
+ { INVALID_UPDATE, "Invalid SrvReg" },
+ { MSG_NOT_SUPPORTED, "No support for AttrRqst or SrvTypeRqst" },
+ { REFRESH_REJECTED, "SrvReg sent too soon"},
+ { 0, NULL }
+};
+
/*
* Character encodings.
* This is a small subset of what's in
static int
dissect_authblk(tvbuff_t *tvb, int offset, proto_tree *tree)
{
- struct tm *stamp;
- time_t seconds;
- double floatsec;
- guint16 length;
-
+ struct tm *stamp;
+ time_t seconds;
+ double floatsec;
+ guint16 length;
+
seconds = tvb_get_ntohl(tvb, offset) - 2208988800ul;
stamp = gmtime(&seconds);
- floatsec = stamp->tm_sec + tvb_get_ntohl(tvb, offset + 4) / 4294967296.0;
- proto_tree_add_text(tree, tvb, offset, 8,
- "Timestamp: %04d-%02d-%02d %02d:%02d:%07.4f UTC",
- stamp->tm_year + 1900, stamp->tm_mon + 1,
- stamp->tm_mday, stamp->tm_hour, stamp->tm_min,
- floatsec);
+ if (stamp != NULL) {
+ floatsec = stamp->tm_sec + tvb_get_ntohl(tvb, offset + 4) / 4294967296.0;
+ proto_tree_add_text(tree, tvb, offset, 8,
+ "Timestamp: %04d-%02d-%02d %02d:%02d:%07.4f UTC",
+ stamp->tm_year + 1900, stamp->tm_mon + 1,
+ stamp->tm_mday, stamp->tm_hour, stamp->tm_min,
+ floatsec);
+ } else {
+ proto_tree_add_text(tree, tvb, offset, 8, "Timestamp not representable");
+ }
proto_tree_add_text(tree, tvb, offset + 8, 2, "Block Structure Desciptor: %u",
tvb_get_ntohs(tvb, offset + 8));
length = tvb_get_ntohs(tvb, offset + 10);
return offset;
}
+/* SLPv2 version - Needs to be fixed to match RFC2608 sect 9.2*/
+static int
+dissect_authblk_v2(tvbuff_t *tvb, int offset, proto_tree *tree)
+{
+ guint16 length;
+
+ proto_tree_add_item(tree, hf_srvloc_authblkv2_bsd, tvb, offset, 2, FALSE);
+ proto_tree_add_item(tree, hf_srvloc_authblkv2_len, tvb, offset+2, 2, FALSE);
+ proto_tree_add_item(tree, hf_srvloc_authblkv2_timestamp, tvb, offset+4, 4, FALSE);
+ length = tvb_get_ntohs(tvb, offset + 8);
+ proto_tree_add_uint(tree, hf_srvloc_authblkv2_slpspilen, tvb, offset + 8, 2, length);
+ offset += 10;
+ proto_tree_add_item(tree, hf_srvloc_authblkv2_slpspi, tvb, offset, length, TRUE);
+ offset += length;
+ /* add code in here to handle Structured Authentication Block */
+ return offset;
+}
+
+static int
+dissect_attrauthblk_v2(tvbuff_t *tvb, int offset, proto_tree *tree)
+{
+ tvb=tvb; tree=tree; /* silence gcc for now */
+ /* add code in here to handle attribute authentication */
+ return offset;
+}
+
+static void
+add_v1_string(proto_tree *tree, int hf, tvbuff_t *tvb, int offset, int length,
+ guint16 encoding)
+{
+ char *unicode_str;
+
+ switch (encoding) {
+
+ case CHARSET_ISO_10646_UCS_2:
+ unicode_str = tvb_fake_unicode(tvb, offset, length/2, FALSE);
+ proto_tree_add_string(tree, hf, tvb, offset, length,
+ unicode_str);
+ g_free(unicode_str);
+ break;
+
+ default:
+ proto_tree_add_item(tree, hf, tvb, offset, length, TRUE);
+ break;
+ }
+}
+
+static int
+dissect_url_entry_v1(tvbuff_t *tvb, int offset, proto_tree *tree,
+ guint16 encoding, guint16 flags)
+{
+ guint16 url_len;
+
+ proto_tree_add_item(tree, hf_srvloc_url_lifetime, tvb, offset, 2,
+ FALSE);
+ offset += 2;
+ url_len = tvb_get_ntohs(tvb, offset);
+ proto_tree_add_uint(tree, hf_srvloc_url_urllen, tvb, offset, 2,
+ url_len);
+ offset += 2;
+ add_v1_string(tree, hf_srvloc_url_url, tvb, offset, url_len, encoding);
+ offset += url_len;
+ if ( (flags & FLAG_U) == FLAG_U )
+ offset = dissect_authblk(tvb, offset, tree);
+ return offset;
+}
+
+static int
+dissect_url_entry_v2(tvbuff_t *tvb, int offset, proto_tree *tree)
+{
+ guint8 reserved;
+ guint16 url_len;
+ guint8 num_auths;
+
+ reserved = tvb_get_guint8(tvb, offset);
+ proto_tree_add_uint(tree, hf_srvloc_url_reserved, tvb, offset, 1,
+ reserved);
+ offset += 1;
+ proto_tree_add_item(tree, hf_srvloc_url_lifetime, tvb, offset, 2,
+ FALSE);
+ offset += 2;
+ url_len = tvb_get_ntohs(tvb, offset);
+ proto_tree_add_uint(tree, hf_srvloc_url_urllen, tvb, offset, 2,
+ url_len);
+ offset += 2;
+ proto_tree_add_item(tree, hf_srvloc_url_url, tvb, offset, url_len, TRUE);
+ offset += url_len;
+ num_auths = tvb_get_guint8(tvb, offset);
+ proto_tree_add_uint(tree, hf_srvloc_url_numauths, tvb, offset, 1,
+ num_auths);
+ offset += 1;
+ while (num_auths > 0) {
+ offset = dissect_authblk_v2(tvb, offset, tree);
+ num_auths--;
+ }
+ return offset;
+}
+
/* Packet dissection routine called by tcp & udp when port 427 detected */
static void
dissect_srvloc(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
- int offset = 0;
- proto_item *ti, *tf;
- proto_tree *srvloc_tree, *srvloc_flags;
- guint8 version;
- guint8 function;
- guint16 encoding;
- guint16 length;
- guint8 flags;
- guint32 count;
+ int offset = 0;
+ proto_item *ti, *tf;
+ proto_tree *srvloc_tree, *srvloc_flags;
+ guint8 version;
+ guint8 function;
+ guint16 encoding;
+ guint32 length; /* three bytes needed for v2 */
+ guint16 flags; /* two byes needed for v2 */
+ guint32 count;
+ guint32 next_ext_off; /* three bytes, v2 only */
+ guint16 lang_tag_len;
+ nstime_t ts;
- if (check_col(pinfo->fd, COL_PROTOCOL))
- col_set_str(pinfo->fd, COL_PROTOCOL, "SRVLOC");
-
- if (check_col(pinfo->fd, COL_INFO))
- col_clear(pinfo->fd, COL_INFO);
+ if (check_col(pinfo->cinfo, COL_PROTOCOL))
+ col_set_str(pinfo->cinfo, COL_PROTOCOL, "SRVLOC");
+
+ if (check_col(pinfo->cinfo, COL_INFO))
+ col_clear(pinfo->cinfo, COL_INFO);
version = tvb_get_guint8(tvb, offset);
function = tvb_get_guint8(tvb, offset + 1);
- if (check_col(pinfo->fd, COL_INFO))
- col_add_str(pinfo->fd, COL_INFO,
+ if (check_col(pinfo->cinfo, COL_INFO))
+ col_add_str(pinfo->cinfo, COL_INFO,
val_to_str(function, srvloc_functions, "Unknown Function (%u)"));
-
+
if (tree) {
- ti = proto_tree_add_item(tree, proto_srvloc, tvb, offset,
- tvb_length(tvb), FALSE);
+ ti = proto_tree_add_item(tree, proto_srvloc, tvb, offset, -1, FALSE);
srvloc_tree = proto_item_add_subtree(ti, ett_srvloc);
-
+
proto_tree_add_uint(srvloc_tree, hf_srvloc_version, tvb, offset, 1,
version);
proto_tree_add_uint(srvloc_tree, hf_srvloc_function, tvb, offset + 1, 1,
function);
- length = tvb_get_ntohs(tvb, offset + 2);
- proto_tree_add_text(srvloc_tree, tvb, offset + 2, 2, "Length: %u",
- length);
- flags = tvb_get_guint8(tvb, offset + 4);
- tf = proto_tree_add_uint(srvloc_tree, hf_srvloc_flags, tvb, offset + 4, 1,
- flags);
- srvloc_flags = proto_item_add_subtree(tf, ett_srvloc_flags);
- proto_tree_add_text(srvloc_flags, tvb, offset + 4, 0, "Overflow %d... .xxx", (flags & FLAG_O) >> 7 );
- proto_tree_add_text(srvloc_flags, tvb, offset + 4, 0, "Monolingual .%d.. .xxx", (flags & FLAG_M) >> 6 );
- proto_tree_add_text(srvloc_flags, tvb, offset + 4, 0, "URL Authentication Present ..%d. .xxx", (flags & FLAG_U) >> 5 );
- proto_tree_add_text(srvloc_flags, tvb, offset + 4, 0, "Attribute Authentication Present ...%d .xxx", (flags & FLAG_A) >> 4 );
- proto_tree_add_text(srvloc_flags, tvb, offset + 4, 0, "Fresh Service Entry .... %dxxx", (flags & FLAG_F) >> 3 );
- proto_tree_add_text(srvloc_tree, tvb, offset + 5, 1, "Dialect: %u",
- tvb_get_guint8(tvb, offset + 5));
- proto_tree_add_text(srvloc_tree, tvb, offset + 6, 2, "Language: %s",
- tvb_format_text(tvb, offset + 6, 2));
- encoding = tvb_get_ntohs(tvb, offset + 8);
- proto_tree_add_text(srvloc_tree, tvb, offset + 8, 2, "Encoding: %u (%s)",
- encoding,
- val_to_str(encoding, charsets, "Unknown"));
- proto_tree_add_text(srvloc_tree, tvb, offset + 10, 2, "Transaction ID: %u",
- tvb_get_ntohs(tvb, offset + 10));
- offset += 12;
-
- switch (function) {
+ if (version < 2) {
+ length = tvb_get_ntohs(tvb, offset + 2);
+ proto_tree_add_uint(srvloc_tree, hf_srvloc_pktlen, tvb, offset + 2, 2,
+ length);
+ flags = tvb_get_guint8(tvb, offset + 4);
+ tf = proto_tree_add_uint(srvloc_tree, hf_srvloc_flags_v1, tvb, offset + 4, 1,
+ flags);
+ srvloc_flags = proto_item_add_subtree(tf, ett_srvloc_flags);
+ proto_tree_add_boolean(srvloc_flags, hf_srvloc_flags_v1_overflow,
+ tvb, offset+4, 1, flags);
+ proto_tree_add_boolean(srvloc_flags, hf_srvloc_flags_v1_monolingual,
+ tvb, offset+4, 1, flags);
+ proto_tree_add_boolean(srvloc_flags, hf_srvloc_flags_v1_url_auth,
+ tvb, offset+4, 1, flags);
+ proto_tree_add_boolean(srvloc_flags, hf_srvloc_flags_v1_attribute_auth,
+ tvb, offset+4, 1, flags);
+ proto_tree_add_boolean(srvloc_flags, hf_srvloc_flags_v1_fresh,
+ tvb, offset+4, 1, flags);
+ proto_tree_add_text(srvloc_tree, tvb, offset + 5, 1, "Dialect: %u",
+ tvb_get_guint8(tvb, offset + 5));
+ proto_tree_add_text(srvloc_tree, tvb, offset + 6, 2, "Language: %s",
+ tvb_format_text(tvb, offset + 6, 2));
+ encoding = tvb_get_ntohs(tvb, offset + 8);
+ proto_tree_add_text(srvloc_tree, tvb, offset + 8, 2, "Encoding: %u (%s)",
+ encoding,
+ val_to_str(encoding, charsets, "Unknown"));
+ proto_tree_add_text(srvloc_tree, tvb, offset + 10, 2, "Transaction ID: %u",
+ tvb_get_ntohs(tvb, offset + 10));
+ offset += 12;
+
+ switch (function) {
case SRVREQ:
- proto_tree_add_text(srvloc_tree, tvb, offset, 0, "Service Request");
length = tvb_get_ntohs(tvb, offset);
- proto_tree_add_text(srvloc_tree, tvb, offset, 2, "Previous Response List Length: %u",
- length);
+ proto_tree_add_uint(srvloc_tree, hf_srvloc_srvreq_prlistlen, tvb, offset, 2, length);
offset += 2;
- proto_tree_add_text(srvloc_tree, tvb, offset, length, "Previous Response List: %s",
- tvb_format_text(tvb, offset, length));
+ add_v1_string(srvloc_tree, hf_srvloc_srvreq_prlist, tvb, offset, length, encoding);
offset += length;
length = tvb_get_ntohs(tvb, offset);
- proto_tree_add_text(srvloc_tree, tvb, offset, 2, "Predicate length: %u",
- length);
+ proto_tree_add_uint(srvloc_tree, hf_srvloc_srvreq_predicatelen, tvb, offset, 2, length);
offset += 2;
- proto_tree_add_text(srvloc_tree, tvb, offset, length, "Predicate: %s",
- tvb_format_text(tvb, offset, length));
+ add_v1_string(srvloc_tree, hf_srvloc_srvreq_predicate, tvb, offset, length, encoding);
offset += length;
- break;
-
+ break;
+
case SRVRPLY:
- proto_tree_add_text(srvloc_tree, tvb, offset, 0, "Service Reply");
proto_tree_add_item(srvloc_tree, hf_srvloc_error, tvb, offset, 2, FALSE);
offset += 2;
count = tvb_get_ntohs(tvb, offset);
- proto_tree_add_text(srvloc_tree, tvb, offset, 2, "URL Count: %u",
- count);
+ proto_tree_add_uint(srvloc_tree, hf_srvloc_srvrply_urlcount, tvb, offset, 2, count);
offset += 2;
while (count > 0) {
- proto_tree_add_text(srvloc_tree, tvb, offset, 2, "URL lifetime: %u",
- tvb_get_ntohs(tvb, offset));
- offset += 2;
- length = tvb_get_ntohs(tvb, offset);
- proto_tree_add_text(srvloc_tree, tvb, offset, 2, "URL length: %u",
- length);
- offset += 2;
- proto_tree_add_text(srvloc_tree, tvb, offset, length, "Service URL: %s",
- tvb_format_text(tvb, offset, length));
- offset += length;
- if ( (flags & FLAG_U) == FLAG_U )
- offset = dissect_authblk(tvb, offset, srvloc_tree);
+ offset = dissect_url_entry_v1(tvb, offset, srvloc_tree,
+ encoding, flags);
count--;
};
break;
case SRVREG:
- proto_tree_add_text(srvloc_tree, tvb, offset, 0, "Service Registration");
- proto_tree_add_text(srvloc_tree, tvb, offset, 2, "URL lifetime: %u",
- tvb_get_ntohs(tvb, offset));
- offset += 2;
- length = tvb_get_ntohs(tvb, offset);
- proto_tree_add_text(srvloc_tree, tvb, offset, 2, "URL length: %u",
- length);
- offset += 2;
- proto_tree_add_text(srvloc_tree, tvb, offset, length, "Service URL: %s",
- tvb_format_text(tvb, offset, length));
- offset += length;
- if ( (flags & FLAG_U) == FLAG_U )
- offset = dissect_authblk(tvb, offset, srvloc_tree);
+ offset = dissect_url_entry_v1(tvb, offset, srvloc_tree, encoding,
+ flags);
length = tvb_get_ntohs(tvb, offset);
- proto_tree_add_text(srvloc_tree, tvb, offset, 2, "Attribute List length: %u",
- length);
+ proto_tree_add_uint(srvloc_tree, hf_srvloc_srvreg_attrlistlen, tvb, offset, 2, length);
offset += 2;
- proto_tree_add_text(srvloc_tree, tvb, offset, length, "Attribute List: %s",
- tvb_format_text(tvb, offset, length));
+ add_v1_string(srvloc_tree, hf_srvloc_srvreg_attrlist, tvb, offset, length, encoding);
offset += length;
- if ( (flags & FLAG_A) == FLAG_A )
+ if ( (flags & FLAG_A) == FLAG_A )
offset = dissect_authblk(tvb, offset, srvloc_tree);
break;
case SRVDEREG:
- proto_tree_add_text(srvloc_tree, tvb, offset, 0, "Service Deregister");
length = tvb_get_ntohs(tvb, offset);
- proto_tree_add_text(srvloc_tree, tvb, offset, 2, "URL length: %u",
- length);
+ proto_tree_add_uint(tree, hf_srvloc_url_urllen, tvb, offset, 2, length);
offset += 2;
- proto_tree_add_text(srvloc_tree, tvb, offset, length, "Service URL: %s",
- tvb_format_text(tvb, offset, length));
+ add_v1_string(tree, hf_srvloc_url_url, tvb, offset, length, encoding);
offset += length;
- if ( (flags & FLAG_U) == FLAG_U )
+ if ( (flags & FLAG_U) == FLAG_U )
offset = dissect_authblk(tvb, offset, srvloc_tree);
length = tvb_get_ntohs(tvb, offset);
- proto_tree_add_text(srvloc_tree, tvb, offset, 2, "Attribute List length: %u",
- length);
+ proto_tree_add_uint(srvloc_tree, hf_srvloc_srvdereg_taglistlen, tvb, offset, 2, length);
offset += 2;
- proto_tree_add_text(srvloc_tree, tvb, offset, length, "Attribute List: %s",
- tvb_format_text(tvb, offset, length));
+ add_v1_string(srvloc_tree, hf_srvloc_srvdereg_taglist, tvb, offset, length, encoding);
offset += length;
- if ( (flags & FLAG_A) == FLAG_A )
+ /*
+ * XXX - this was there before, but RFC 2165 doesn't speak
+ * of there being an attribute authentication block in
+ * a Service Deregister message. Is that a post-RFC-2165
+ * addition?
+ */
+ if ( (flags & FLAG_A) == FLAG_A )
offset = dissect_authblk(tvb, offset, srvloc_tree);
break;
-
+
case SRVACK:
- proto_tree_add_text(srvloc_tree, tvb, offset, 0, "Service Acknowledge");
proto_tree_add_item(srvloc_tree, hf_srvloc_error, tvb, offset, 2, FALSE);
offset += 2;
break;
case ATTRRQST:
- proto_tree_add_text(srvloc_tree, tvb, offset, 0, "Attribute Request");
length = tvb_get_ntohs(tvb, offset);
- proto_tree_add_text(srvloc_tree, tvb, offset, 2, "Previous Response List Length: %u",
- length);
+ proto_tree_add_uint(srvloc_tree, hf_srvloc_attrreq_prlistlen, tvb, offset, 2, length);
offset += 2;
- proto_tree_add_text(srvloc_tree, tvb, offset, length, "Previous Response List: %s",
- tvb_format_text(tvb, offset, length));
+ add_v1_string(srvloc_tree, hf_srvloc_attrreq_prlist, tvb, offset, length, encoding);
offset += length;
length = tvb_get_ntohs(tvb, offset);
- proto_tree_add_text(srvloc_tree, tvb, offset, 2, "URL length: %u",
- length);
+ proto_tree_add_uint(srvloc_tree, hf_srvloc_attrreq_urllen, tvb, offset, 2, length);
offset += 2;
- proto_tree_add_text(srvloc_tree, tvb, offset, length, "Service URL: %s",
- tvb_format_text(tvb, offset, length));
+ add_v1_string(srvloc_tree, hf_srvloc_attrreq_url, tvb, offset, length, encoding);
offset += length;
length = tvb_get_ntohs(tvb, offset);
- proto_tree_add_text(srvloc_tree, tvb, offset, 2, "Scope List Length: %u",
- length);
+ proto_tree_add_uint(srvloc_tree, hf_srvloc_attrreq_scopelistlen, tvb, offset, 2, length);
offset += 2;
- proto_tree_add_text(srvloc_tree, tvb, offset, length, "Scope Response List: %s",
- tvb_format_text(tvb, offset, length));
+ add_v1_string(srvloc_tree, hf_srvloc_attrreq_scopelist, tvb, offset, length, encoding);
offset += length;
length = tvb_get_ntohs(tvb, offset);
- proto_tree_add_text(srvloc_tree, tvb, offset, 2, "Attribute List length: %u",
- length);
+ proto_tree_add_uint(srvloc_tree, hf_srvloc_attrreq_attrlistlen, tvb, offset, 2, length);
offset += 2;
- proto_tree_add_text(srvloc_tree, tvb, offset, length, "Attribute List: %s",
- tvb_format_text(tvb, offset, length));
+ add_v1_string(srvloc_tree, hf_srvloc_attrreq_attrlist, tvb, offset, length, encoding);
offset += length;
break;
-
+
case ATTRRPLY:
- proto_tree_add_text(srvloc_tree, tvb, offset, 0, "Attribute Reply");
- proto_tree_add_item(srvloc_tree, hf_srvloc_error, tvb, offset, 2, FALSE);
+ proto_tree_add_item(srvloc_tree, hf_srvloc_error_v2, tvb, offset, 2, FALSE);
offset += 2;
length = tvb_get_ntohs(tvb, offset);
- proto_tree_add_text(srvloc_tree, tvb, offset, 2, "Attribute List length: %u",
- length);
+ proto_tree_add_uint(srvloc_tree, hf_srvloc_attrrply_attrlistlen, tvb, offset, 2, length);
offset += 2;
- proto_tree_add_text(srvloc_tree, tvb, offset, length, "Attribute List: %s",
- tvb_format_text(tvb, offset, length));
+ add_v1_string(srvloc_tree, hf_srvloc_attrrply_attrlist, tvb, offset, length, encoding);
offset += length;
- if ( (flags & FLAG_A) == FLAG_A )
+ if ( (flags & FLAG_A) == FLAG_A )
offset = dissect_authblk(tvb, offset, srvloc_tree);
break;
-
+
case DAADVERT:
- proto_tree_add_text(srvloc_tree, tvb, offset, 0, "DA Advertisement");
proto_tree_add_item(srvloc_tree, hf_srvloc_error, tvb, offset, 2, FALSE);
offset += 2;
length = tvb_get_ntohs(tvb, offset);
- proto_tree_add_text(srvloc_tree, tvb, offset, 2, "URL length: %u",
- length);
+ proto_tree_add_uint(srvloc_tree, hf_srvloc_daadvert_urllen, tvb, offset, 2, length);
offset += 2;
- proto_tree_add_text(srvloc_tree, tvb, offset, length, "Service URL: %s",
- tvb_format_text(tvb, offset, length));
+ add_v1_string(srvloc_tree, hf_srvloc_daadvert_url, tvb, offset, length, encoding);
offset += length;
length = tvb_get_ntohs(tvb, offset);
- proto_tree_add_text(srvloc_tree, tvb, offset, 2, "Scope List Length: %u",
- length);
+ proto_tree_add_uint(srvloc_tree, hf_srvloc_daadvert_scopelistlen, tvb, offset, 2, length);
offset += 2;
- proto_tree_add_text(srvloc_tree, tvb, offset, length, "Scope Response List: %s",
- tvb_format_text(tvb, offset, length));
+ add_v1_string(srvloc_tree, hf_srvloc_daadvert_scopelist, tvb, offset, length, encoding);
offset += length;
break;
case SRVTYPERQST:
- proto_tree_add_text(srvloc_tree, tvb, offset, 0, "Service Type Request");
length = tvb_get_ntohs(tvb, offset);
- proto_tree_add_text(srvloc_tree, tvb, offset, 2, "Previous Response List Length: %u",
- length);
+ proto_tree_add_uint(srvloc_tree, hf_srvloc_srvtypereq_prlistlen, tvb, offset, 2, length);
offset += 2;
- proto_tree_add_text(srvloc_tree, tvb, offset, length, "Previous Response List: %s",
- tvb_format_text(tvb, offset, length));
+ add_v1_string(srvloc_tree, hf_srvloc_srvtypereq_prlist, tvb, offset, length, encoding);
offset += length;
length = tvb_get_ntohs(tvb, offset);
- proto_tree_add_text(srvloc_tree, tvb, offset, 2, "Naming Authority List length: %u",
- length);
+ proto_tree_add_uint(srvloc_tree, hf_srvloc_srvtypereq_nameauthlistlen, tvb, offset, 2, length);
offset += 2;
- proto_tree_add_text(srvloc_tree, tvb, offset, length, "Naming Authority List: %s",
- tvb_format_text(tvb, offset, length));
+ add_v1_string(srvloc_tree, hf_srvloc_srvtypereq_nameauthlist, tvb, offset, length, encoding);
offset += length;
length = tvb_get_ntohs(tvb, offset);
- proto_tree_add_text(srvloc_tree, tvb, offset, 2, "Scope List Length: %u",
- length);
+ proto_tree_add_uint(srvloc_tree, hf_srvloc_srvtypereq_scopelistlen, tvb, offset, 2, length);
offset += 2;
- proto_tree_add_text(srvloc_tree, tvb, offset, length, "Scope Response List: %s",
- tvb_format_text(tvb, offset, length));
+ add_v1_string(srvloc_tree, hf_srvloc_srvtypereq_scopelist, tvb, offset, length, encoding);
offset += length;
break;
case SRVTYPERPLY:
- proto_tree_add_text(srvloc_tree, tvb, offset, 0, "Service Type Reply");
proto_tree_add_item(srvloc_tree, hf_srvloc_error, tvb, offset, 2, FALSE);
offset += 2;
count = tvb_get_ntohs(tvb, offset);
offset += 2;
while (count > 0) {
length = tvb_get_ntohs(tvb, offset);
- proto_tree_add_text(srvloc_tree, tvb, offset, 2, "Service Type List length: %u",
- length);
+ proto_tree_add_uint(srvloc_tree, hf_srvloc_srvtyperply_srvtypelen, tvb, offset, 2, length);
offset += 2;
- proto_tree_add_text(srvloc_tree, tvb, offset, length, "Service Type List: %s",
- tvb_format_text(tvb, offset, length));
+ add_v1_string(srvloc_tree, hf_srvloc_srvtyperply_srvtype, tvb, offset, length, encoding);
offset += length;
count--;
};
break;
default:
- proto_tree_add_text(srvloc_tree, tvb, offset, tvb_length_remaining(tvb, offset), "Unknown Function Type");
- };
- };
+ proto_tree_add_text(srvloc_tree, tvb, offset, -1, "Unknown Function Type");
+ };
+ }
+ else { /* Version 2 */
+ length = tvb_get_ntoh24(tvb, offset + 2);
+ proto_tree_add_uint(srvloc_tree, hf_srvloc_pktlen, tvb, offset + 2, 3,
+ length);
+ flags = tvb_get_ntohs(tvb, offset + 5);
+ tf = proto_tree_add_uint(srvloc_tree, hf_srvloc_flags_v2, tvb, offset + 5, 2,
+ flags);
+ srvloc_flags = proto_item_add_subtree(tf, ett_srvloc_flags);
+ proto_tree_add_boolean(srvloc_flags, hf_srvloc_flags_v2_overflow,
+ tvb, offset+5, 1, flags);
+ proto_tree_add_boolean(srvloc_flags, hf_srvloc_flags_v2_fresh,
+ tvb, offset+5, 1, flags);
+ proto_tree_add_boolean(srvloc_flags, hf_srvloc_flags_v2_reqmulti,
+ tvb, offset+5, 1, flags);
+
+ next_ext_off = tvb_get_ntoh24(tvb, offset + 7);
+ proto_tree_add_uint(srvloc_tree, hf_srvloc_nextextoff, tvb, offset + 7, 3,
+ next_ext_off);
+ proto_tree_add_uint(srvloc_tree, hf_srvloc_xid, tvb, offset + 10, 2,
+ tvb_get_ntohs(tvb, offset + 10));
+ lang_tag_len = tvb_get_ntohs(tvb, offset + 12);
+ proto_tree_add_uint(srvloc_tree, hf_srvloc_langtaglen, tvb, offset + 12, 2, lang_tag_len);
+ proto_tree_add_item(srvloc_tree, hf_srvloc_langtag, tvb, offset + 14, lang_tag_len, TRUE);
+ offset += 14+lang_tag_len;
+
+ switch (function) {
+ case SRVREQ: /* RFC2608 8.1 */
+ length = tvb_get_ntohs(tvb, offset);
+ proto_tree_add_uint(srvloc_tree, hf_srvloc_srvreq_prlistlen, tvb, offset, 2, length);
+ offset += 2;
+ proto_tree_add_item(srvloc_tree, hf_srvloc_srvreq_prlist, tvb, offset, length, TRUE);
+ offset += length;
+ length = tvb_get_ntohs(tvb, offset);
+ proto_tree_add_uint(srvloc_tree, hf_srvloc_srvreq_srvtypelen, tvb, offset, 2, length);
+ offset += 2;
+ proto_tree_add_item(srvloc_tree, hf_srvloc_srvreq_srvtypelist, tvb, offset, length, TRUE);
+ offset += length;
+ length = tvb_get_ntohs(tvb, offset);
+ proto_tree_add_uint(srvloc_tree, hf_srvloc_srvreq_scopelistlen, tvb, offset, 2, length);
+ offset += 2;
+ proto_tree_add_item(srvloc_tree, hf_srvloc_srvreq_scopelist, tvb, offset, length, TRUE);
+ offset += length;
+ length = tvb_get_ntohs(tvb, offset);
+ proto_tree_add_uint(srvloc_tree, hf_srvloc_srvreq_predicatelen, tvb, offset, 2, length);
+ offset += 2;
+ proto_tree_add_item(srvloc_tree, hf_srvloc_srvreq_predicate, tvb, offset, length, TRUE);
+ offset += length;
+ length = tvb_get_ntohs(tvb, offset);
+ proto_tree_add_uint(srvloc_tree, hf_srvloc_srvreq_slpspilen, tvb, offset, 2, length);
+ offset += 2;
+ proto_tree_add_item(srvloc_tree, hf_srvloc_srvreq_slpspi, tvb, offset, length, TRUE);
+ offset += length;
+ break;
+
+ case SRVRPLY: /* RFC2608 8.2 */
+ proto_tree_add_item(srvloc_tree, hf_srvloc_error_v2, tvb, offset, 2, FALSE);
+ offset += 2;
+ count = tvb_get_ntohs(tvb, offset);
+ proto_tree_add_uint(srvloc_tree, hf_srvloc_srvrply_urlcount, tvb, offset, 2, count);
+ offset += 2;
+ while (count > 0) {
+ offset = dissect_url_entry_v2(tvb, offset, srvloc_tree);
+ count--;
+ };
+ break;
+
+ case SRVREG: /* RFC2608 8.3 */
+ offset = dissect_url_entry_v2(tvb, offset, srvloc_tree);
+ length = tvb_get_ntohs(tvb, offset);
+ proto_tree_add_uint(srvloc_tree, hf_srvloc_srvreg_srvtypelen, tvb, offset, 2, length);
+ offset += 2;
+ proto_tree_add_item(srvloc_tree, hf_srvloc_srvreg_srvtype, tvb, offset, length, TRUE);
+ offset += length;
+ length = tvb_get_ntohs(tvb, offset);
+ proto_tree_add_uint(srvloc_tree, hf_srvloc_srvreg_scopelistlen, tvb, offset, 2, length);
+ offset += 2;
+ proto_tree_add_item(srvloc_tree, hf_srvloc_srvreg_scopelist, tvb, offset, length, TRUE);
+ offset += length;
+ length = tvb_get_ntohs(tvb, offset);
+ proto_tree_add_uint(srvloc_tree, hf_srvloc_srvreg_attrlistlen, tvb, offset, 2, length);
+ offset += 2;
+ proto_tree_add_item(srvloc_tree, hf_srvloc_srvreg_attrlist, tvb, offset, length, TRUE);
+ offset += length;
+ count = tvb_get_guint8(tvb, offset);
+ proto_tree_add_uint(srvloc_tree, hf_srvloc_srvreg_attrauthcount, tvb, offset, 1, count);
+ offset += 1;
+ while (count > 0) {
+ offset = dissect_attrauthblk_v2(tvb, offset, srvloc_tree);
+ count--;
+ }
+ break;
+
+ case SRVDEREG: /* RFC2608 10.6 */
+ length = tvb_get_ntohs(tvb, offset);
+ proto_tree_add_uint(srvloc_tree, hf_srvloc_srvdereg_scopelistlen, tvb, offset, 2, length);
+ offset += 2;
+ proto_tree_add_item(srvloc_tree, hf_srvloc_srvdereg_scopelist, tvb, offset, length, TRUE);
+ offset += length;
+ offset = dissect_url_entry_v2(tvb, offset, srvloc_tree);
+ length = tvb_get_ntohs(tvb, offset);
+ proto_tree_add_uint(srvloc_tree, hf_srvloc_srvdereg_taglistlen, tvb, offset, 2, length);
+ offset += 2;
+ proto_tree_add_item(srvloc_tree, hf_srvloc_srvdereg_taglist, tvb, offset, length, TRUE);
+ offset += length;
+ break;
+
+ case SRVACK: /* RFC2608 8.4 */
+ proto_tree_add_item(srvloc_tree, hf_srvloc_error_v2, tvb, offset, 2, FALSE);
+ offset += 2;
+ break;
+
+ case ATTRRQST: /* RFC2608 10.3*/
+ length = tvb_get_ntohs(tvb, offset);
+ proto_tree_add_uint(srvloc_tree, hf_srvloc_attrreq_prlistlen, tvb, offset, 2, length);
+ offset += 2;
+ proto_tree_add_item(srvloc_tree, hf_srvloc_attrreq_prlist, tvb, offset, length, TRUE);
+ offset += length;
+ length = tvb_get_ntohs(tvb, offset);
+ proto_tree_add_uint(srvloc_tree, hf_srvloc_attrreq_urllen, tvb, offset, 2, length);
+ offset += 2;
+ proto_tree_add_item(srvloc_tree, hf_srvloc_attrreq_url, tvb, offset, length, TRUE);
+ offset += length;
+ length = tvb_get_ntohs(tvb, offset);
+ proto_tree_add_uint(srvloc_tree, hf_srvloc_attrreq_scopelistlen, tvb, offset, 2, length);
+ offset += 2;
+ proto_tree_add_item(srvloc_tree, hf_srvloc_attrreq_scopelist, tvb, offset, length, TRUE);
+ offset += length;
+ length = tvb_get_ntohs(tvb, offset);
+ proto_tree_add_uint(srvloc_tree, hf_srvloc_attrreq_taglistlen, tvb, offset, 2, length);
+ offset += 2;
+ proto_tree_add_item(srvloc_tree, hf_srvloc_attrreq_taglist, tvb, offset, length, TRUE);
+ offset += length;
+ length = tvb_get_ntohs(tvb, offset);
+ proto_tree_add_uint(srvloc_tree, hf_srvloc_attrreq_slpspilen, tvb, offset, 2, length);
+ offset += 2;
+ proto_tree_add_item(srvloc_tree, hf_srvloc_attrreq_slpspi, tvb, offset, length, TRUE);
+ offset += length;
+ break;
+
+ case ATTRRPLY: /* RFC2608 10.4 */
+ proto_tree_add_item(srvloc_tree, hf_srvloc_error_v2, tvb, offset, 2, FALSE);
+ offset += 2;
+ length = tvb_get_ntohs(tvb, offset);
+ proto_tree_add_uint(srvloc_tree, hf_srvloc_attrrply_attrlistlen, tvb, offset, 2, length);
+ offset += 2;
+ proto_tree_add_item(srvloc_tree, hf_srvloc_attrrply_attrlist, tvb, offset, length, TRUE);
+ offset += length;
+ count = tvb_get_guint8(tvb, offset);
+ proto_tree_add_uint(srvloc_tree, hf_srvloc_attrrply_attrauthcount, tvb, offset, 1, count);
+ offset += 1;
+ while (count > 0) {
+ offset = dissect_attrauthblk_v2(tvb, offset, srvloc_tree);
+ count--;
+ }
+ break;
+
+ case DAADVERT: /* RCC 2608 8.5 */
+ proto_tree_add_item(srvloc_tree, hf_srvloc_error_v2, tvb, offset, 2, FALSE);
+ offset += 2;
+ ts.nsecs = 0;
+ ts.secs = tvb_get_ntohl(tvb, offset);
+ proto_tree_add_time(srvloc_tree, hf_srvloc_daadvert_timestamp, tvb, offset, 4,
+ &ts);
+ offset += 4;
+ length = tvb_get_ntohs(tvb, offset);
+ proto_tree_add_uint(srvloc_tree, hf_srvloc_daadvert_urllen, tvb, offset, 2, length);
+ offset += 2;
+ proto_tree_add_item(srvloc_tree, hf_srvloc_daadvert_url, tvb, offset, length, TRUE);
+ offset += length;
+ length = tvb_get_ntohs(tvb, offset);
+ proto_tree_add_uint(srvloc_tree, hf_srvloc_daadvert_scopelistlen, tvb, offset, 2, length);
+ offset += 2;
+ proto_tree_add_item(srvloc_tree, hf_srvloc_daadvert_scopelist, tvb, offset, length, TRUE);
+ offset += length;
+ length = tvb_get_ntohs(tvb, offset);
+ proto_tree_add_uint(srvloc_tree, hf_srvloc_daadvert_attrlistlen, tvb, offset, 2, length);
+ offset += 2;
+ proto_tree_add_item(srvloc_tree, hf_srvloc_daadvert_attrlist, tvb, offset, length, TRUE);
+ offset += length;
+ length = tvb_get_ntohs(tvb, offset);
+ proto_tree_add_uint(srvloc_tree, hf_srvloc_daadvert_slpspilen, tvb, offset, 2, length);
+ offset += 2;
+ proto_tree_add_item(srvloc_tree, hf_srvloc_daadvert_slpspi, tvb, offset, length, TRUE);
+ offset += length;
+ count = tvb_get_guint8(tvb, offset);
+ proto_tree_add_uint(srvloc_tree, hf_srvloc_daadvert_authcount, tvb, offset, 1, count);
+ offset += 1;
+ while (count > 0) {
+ offset = dissect_authblk_v2(tvb, offset, srvloc_tree);
+ count--;
+ }
+ break;
+
+ case SRVTYPERQST: /* RFC2608 10.1 */
+ length = tvb_get_ntohs(tvb, offset);
+ proto_tree_add_uint(srvloc_tree, hf_srvloc_srvtypereq_prlistlen, tvb, offset, 2, length);
+ offset += 2;
+ proto_tree_add_item(srvloc_tree, hf_srvloc_srvtypereq_prlist, tvb, offset, length, TRUE);
+ offset += length;
+ length = tvb_get_ntohs(tvb, offset);
+ if (0xFFFF == length) {
+ proto_tree_add_uint(srvloc_tree, hf_srvloc_srvtypereq_nameauthlistlenall, tvb, offset, 2, length);
+ offset += 2;
+ } else {
+ proto_tree_add_uint(srvloc_tree, hf_srvloc_srvtypereq_nameauthlistlen, tvb, offset, 2, length);
+ offset += 2;
+ proto_tree_add_item(srvloc_tree, hf_srvloc_srvtypereq_nameauthlist, tvb, offset, length, TRUE);
+ offset += length;
+ }
+ length = tvb_get_ntohs(tvb, offset);
+ proto_tree_add_uint(srvloc_tree, hf_srvloc_srvtypereq_scopelistlen, tvb, offset, 2, length);
+ offset += 2;
+ proto_tree_add_item(srvloc_tree, hf_srvloc_srvtypereq_scopelist, tvb, offset, length, TRUE);
+ offset += length;
+ break;
+
+ case SRVTYPERPLY: /* rfc2608 10.2 */
+ proto_tree_add_item(srvloc_tree, hf_srvloc_error_v2, tvb, offset, 2, FALSE);
+ offset += 2;
+ length = tvb_get_ntohs(tvb, offset);
+ proto_tree_add_uint(srvloc_tree, hf_srvloc_srvtyperply_srvtypelistlen, tvb, offset, 2, length);
+ offset += 2;
+ proto_tree_add_item(srvloc_tree, hf_srvloc_srvtyperply_srvtypelist, tvb, offset, length, TRUE);
+ break;
+
+ case SAADVERT: /* rfc2608 10.2 */
+ length = tvb_get_ntohs(tvb, offset);
+ proto_tree_add_uint(srvloc_tree, hf_srvloc_saadvert_urllen, tvb, offset, 2,
+ length);
+ offset += 2;
+ proto_tree_add_item(srvloc_tree, hf_srvloc_saadvert_url, tvb, offset, length, TRUE);
+ offset += length;
+ length = tvb_get_ntohs(tvb, offset);
+ proto_tree_add_uint(srvloc_tree, hf_srvloc_saadvert_scopelistlen, tvb, offset, 2, length);
+ offset += 2;
+ proto_tree_add_item(srvloc_tree, hf_srvloc_saadvert_scopelist, tvb, offset, length, TRUE);
+ offset += length;
+ length = tvb_get_ntohs(tvb, offset);
+ proto_tree_add_uint(srvloc_tree, hf_srvloc_saadvert_attrlistlen, tvb, offset, 2, length);
+ offset += 2;
+ proto_tree_add_item(srvloc_tree, hf_srvloc_saadvert_attrlist, tvb, offset, length, TRUE);
+ offset += length;
+ count = tvb_get_guint8(tvb, offset);
+ proto_tree_add_uint(srvloc_tree, hf_srvloc_saadvert_authcount, tvb, offset, 1, length);
+ offset += 1;
+ while (count > 0) {
+ offset = dissect_authblk_v2(tvb, offset, srvloc_tree);
+ count--;
+ }
+ break;
+
+ default:
+ proto_tree_add_text(srvloc_tree, tvb, offset, -1, "Unknown Function Type");
+ };
+ };
+ }
+}
+
+static guint
+get_srvloc_pdu_len(tvbuff_t *tvb, int offset)
+{
+ /*
+ * Get the length of the SRVLOC packet.
+ * It starts at offset+2, but it's 2 bytes in SLPv1 and 3 bytes
+ * in SLPv2.
+ */
+ if (tvb_get_guint8(tvb, offset) == 2)
+ return tvb_get_ntoh24(tvb, offset + 2);
+ else
+ return tvb_get_ntohs(tvb, offset + 2);
+}
+
+static void
+dissect_srvloc_pdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
+{
+ proto_tree *srvloc_tree = NULL;
+ proto_item *ti;
+
+ if (check_col(pinfo->cinfo, COL_PROTOCOL))
+ col_set_str(pinfo->cinfo, COL_PROTOCOL, "SRVLOC");
+
+ if (check_col(pinfo->cinfo, COL_INFO))
+ col_clear(pinfo->cinfo, COL_INFO);
+
+ if (tree) {
+ ti = proto_tree_add_item(tree, proto_srvloc, tvb, 0, -1, FALSE);
+ srvloc_tree = proto_item_add_subtree(ti, ett_srvloc);
+ }
+ dissect_srvloc(tvb, pinfo, srvloc_tree);
+}
+
+static void
+dissect_srvloc_tcp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
+{
+ /*
+ * XXX - in SLPv1, the fixed length need only be 4, as the length
+ * is 2 bytes long; however, it must be 5 for SLPv2, as the length
+ * is 3 bytes long, and there's probably no harm in asking for 5
+ * bytes, as even SLPv1 packets start with a 12-byte header,
+ * and if the packet has a length that's 4 or less, it's bogus,
+ * and we can't handle a length < 4 anyway.
+ */
+ tcp_dissect_pdus(tvb, pinfo, tree, srvloc_desegment, 5, get_srvloc_pdu_len,
+ dissect_srvloc_pdu);
}
/* Register protocol with Ethereal. */
proto_register_srvloc(void)
{
static hf_register_info hf[] = {
- { &hf_srvloc_version,
- { "Version", "srvloc.version",
- FT_UINT8, BASE_DEC, NULL, 0x0,
+ /* Helper functions for the Version 1 Header*/
+ {&hf_srvloc_error,
+ {"Error Code", "srvloc.err",
+ FT_UINT16, BASE_DEC, VALS(srvloc_errs), 0x0,
+ "", HFILL }
+ },
+
+ /* Helper function for the Version 2 Header */
+ {&hf_srvloc_error_v2,
+ {"Error Code", "srvloc.errv2",
+ FT_UINT16, BASE_DEC, VALS(srvloc_errs_v2), 0x0,
"", HFILL }
},
-
+ {&hf_srvloc_xid,
+ {"XID", "srvloc.xid",
+ FT_UINT24, BASE_DEC, NULL, 0x0,
+ "Transaction ID", HFILL }
+ },
+ {&hf_srvloc_langtag,
+ {"Lang Tag", "srvloc.langtag",
+ FT_STRING, BASE_NONE, NULL, 0x0,
+ "", HFILL }
+ },
+ {&hf_srvloc_langtaglen,
+ {"Lang Tag Len", "srvloc.langtaglen",
+ FT_UINT16, BASE_DEC, NULL, 0x0,
+ "", HFILL }
+ },
+ {&hf_srvloc_nextextoff,
+ {"Next Extension Offset", "srvloc.nextextoff",
+ FT_UINT24, BASE_DEC, NULL, 0x0,
+ "", HFILL }
+ },
+
+ /* Helper functions for URL and URL Entry parsing - both versions */
+ {&hf_srvloc_url_reserved,
+ {"Reserved", "srvloc.url.reserved",
+ FT_UINT8, BASE_HEX, NULL, 0x0, "", HFILL }
+ },
+ {&hf_srvloc_url_lifetime,
+ {"URL lifetime", "srvloc.url.lifetime",
+ FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL }
+ },
+ {&hf_srvloc_url_urllen,
+ {"URL Length", "srvloc.url.urllen",
+ FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL }
+ },
+ {&hf_srvloc_url_url,
+ {"URL", "srvloc.url.url",
+ FT_STRING, BASE_NONE, NULL, 0x0, "", HFILL }
+ },
+ {&hf_srvloc_url_numauths,
+ {"Num Auths", "srvloc.url.numauths",
+ FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL }
+ },
+
+ /* Helper functions for the common header fields */
{&hf_srvloc_function,
- {"Function", "srvloc.function",
- FT_UINT8, BASE_DEC, VALS(srvloc_functions), 0x0,
+ {"Function", "srvloc.function",
+ FT_UINT8, BASE_DEC, VALS(srvloc_functions), 0x0,
"", HFILL }
},
- {&hf_srvloc_flags,
- {"Flags", "srvloc.flags",
- FT_UINT8, BASE_HEX, NULL, 0x0,
+ {&hf_srvloc_pktlen,
+ {"Packet Length", "srvloc.pktlen",
+ FT_UINT24, BASE_DEC, NULL, 0x0,
"", HFILL }
},
-
- {&hf_srvloc_error,
- {"Error Code", "srvloc.err",
- FT_UINT16, BASE_DEC, VALS(srvloc_errs), 0x0,
+
+ { &hf_srvloc_version,
+ { "Version", "srvloc.version",
+ FT_UINT8, BASE_DEC, NULL, 0x0,
+ "", HFILL }
+ },
+
+ {&hf_srvloc_flags_v1,
+ {"Flags", "srvloc.flags_v1",
+ FT_UINT8, BASE_HEX, NULL, 0x0,
"", HFILL }
},
+
+ { &hf_srvloc_flags_v1_overflow,
+ { "Overflow", "srvloc.flags_v1.overflow.", FT_BOOLEAN, 8,
+ TFS(&tfs_srvloc_flags_overflow), FLAG_O, "Can whole packet fit into a datagram?", HFILL }},
+
+ { &hf_srvloc_flags_v1_monolingual,
+ { "Monolingual", "srvloc.flags_v1.monolingual", FT_BOOLEAN, 8,
+ TFS(&tfs_srvloc_flags_v1_monolingual), FLAG_M, "Can whole packet fit into a datagram?", HFILL }},
+
+ { &hf_srvloc_flags_v1_url_auth,
+ { "URL Authentication", "srvloc.flags_v1.url_auth", FT_BOOLEAN, 8,
+ TFS(&tfs_srvloc_flags_v1_url_auth), FLAG_U, "Can whole packet fit into a datagram?", HFILL }},
+
+ { &hf_srvloc_flags_v1_attribute_auth,
+ { "Attribute Authentication", "srvloc.flags_v1.attribute_auth", FT_BOOLEAN, 8,
+ TFS(&tfs_srvloc_flags_v1_attribute_auth), FLAG_A, "Can whole packet fit into a datagram?", HFILL }},
+
+ { &hf_srvloc_flags_v1_fresh,
+ { "Fresh Registration", "srvloc.flags_v1.fresh", FT_BOOLEAN, 8,
+ TFS(&tfs_srvloc_flags_fresh), FLAG_F, "Is this a new registration?", HFILL }},
+
+ {&hf_srvloc_flags_v2,
+ {"Flags", "srvloc.flags_v2",
+ FT_UINT16, BASE_HEX, NULL, 0x0,
+ "", HFILL }
+ },
+
+ { &hf_srvloc_flags_v2_overflow,
+ { "Overflow", "srvloc.flags_v2.overflow", FT_BOOLEAN, 16,
+ TFS(&tfs_srvloc_flags_overflow), FLAG_O_V2, "Can whole packet fit into a datagram?", HFILL }},
+
+ { &hf_srvloc_flags_v2_fresh,
+ { "Fresh Registration", "srvloc.flags_v2.fresh", FT_BOOLEAN, 16,
+ TFS(&tfs_srvloc_flags_fresh), FLAG_F_V2, "Is this a new registration?", HFILL }},
+
+ { &hf_srvloc_flags_v2_reqmulti,
+ { "Multicast requested", "srvloc.flags_v2.reqmulti", FT_BOOLEAN, 16,
+ TFS(&tfs_srvloc_flags_v2_reqmulti), FLAG_R_V2, "Do we want multicast?", HFILL }},
+
+ /* collection of helper functions for dissect_authblk_v2 */
+ { &hf_srvloc_authblkv2_bsd,
+ { "BSD", "srvloc.authblkv2_bsd", FT_UINT16, BASE_HEX, NULL, 0x0,
+ "Block Structure Descriptor", HFILL}
+ },
+ { &hf_srvloc_authblkv2_len,
+ { "Length", "srvloc.authblkv2_len", FT_UINT16, BASE_DEC, NULL, 0x0,
+ "Length of Authentication Block", HFILL}
+ },
+ { &hf_srvloc_authblkv2_timestamp,
+ { "Timestamp", "srvloc.authblkv2.timestamp", FT_ABSOLUTE_TIME, BASE_NONE,
+ NULL, 0, "Timestamp on Authentication Block", HFILL }
+ },
+ { &hf_srvloc_authblkv2_slpspilen,
+ { "SLP SPI Length", "srvloc.authblkv2.slpspilen", FT_UINT16, BASE_DEC, NULL, 0x0,
+ "Length of the SLP SPI", HFILL}
+ },
+ { &hf_srvloc_authblkv2_slpspi,
+ { "SLP SPI", "srvloc.authblkv2.slpspi", FT_STRING, BASE_NONE, NULL, 0x0,
+ "", HFILL}
+ },
+
+ /* collection of helper functions for Service Request */
+ { &hf_srvloc_srvreq_prlistlen,
+ { "Previous Response List Length", "srvloc.srvreq.prlistlen", FT_UINT16, BASE_DEC, NULL, 0x0,
+ "Length of Previous Response List", HFILL}
+ },
+ { &hf_srvloc_srvreq_prlist,
+ { "Previous Response List", "srvloc.srvreq.prlist", FT_STRING, BASE_NONE, NULL, 0x0,
+ "Previous Response List", HFILL}
+ },
+ { &hf_srvloc_srvreq_srvtypelen,
+ { "Service Type Length", "srvloc.srvreq.srvtypelen", FT_UINT16, BASE_DEC, NULL, 0x0,
+ "Length of Service Type List", HFILL}
+ },
+ { &hf_srvloc_srvreq_srvtypelist,
+ { "Service Type List", "srvloc.srvreq.srvtypelist", FT_STRING, BASE_NONE, NULL, 0x0,
+ "", HFILL}
+ },
+ { &hf_srvloc_srvreq_scopelistlen,
+ { "Scope List Length", "srvloc.srvreq.scopelistlen", FT_UINT16, BASE_DEC, NULL, 0x0,
+ "Length of the Scope List", HFILL}
+ },
+ { &hf_srvloc_srvreq_scopelist,
+ { "Scope List", "srvloc.srvreq.scopelist", FT_STRING, BASE_NONE, NULL, 0x0,
+ "", HFILL}
+ },
+ { &hf_srvloc_srvreq_predicatelen,
+ { "Predicate Length", "srvloc.srvreq.predicatelen", FT_UINT16, BASE_DEC, NULL, 0x0,
+ "Length of the Predicate", HFILL}
+ },
+ { &hf_srvloc_srvreq_predicate,
+ { "Predicate", "srvloc.srvreq.predicate", FT_STRING, BASE_NONE, NULL, 0x0,
+ "", HFILL}
+ },
+ { &hf_srvloc_srvreq_slpspilen,
+ { "SLP SPI Length", "srvloc.srvreq.slpspilen", FT_UINT16, BASE_DEC, NULL, 0x0,
+ "Length of the SLP SPI", HFILL}
+ },
+ { &hf_srvloc_srvreq_slpspi,
+ { "SLP SPI", "srvloc.srvreq.slpspi", FT_STRING, BASE_NONE, NULL, 0x0,
+ "", HFILL}
+ },
+
+ /* Helper function for Service Request */
+ { &hf_srvloc_srvrply_urlcount,
+ { "Number of URLs", "srvloc.srvreq.urlcount", FT_UINT16, BASE_DEC, NULL, 0x0,
+ "", HFILL}
+ },
+
+ /* Helper functions for Service Registration */
+ { &hf_srvloc_srvreg_srvtypelen,
+ { "Service Type Length", "srvloc.srvreq.srvtypelen", FT_UINT16, BASE_DEC, NULL, 0x0,
+ "", HFILL}
+ },
+ { &hf_srvloc_srvreg_srvtype,
+ { "Service Type", "srvloc.srvreq.srvtype", FT_STRING, BASE_NONE, NULL, 0x0,
+ "", HFILL}
+ },
+ { &hf_srvloc_srvreg_scopelistlen,
+ { "Scope List Length", "srvloc.srvreq.scopelistlen", FT_UINT16, BASE_DEC, NULL, 0x0,
+ "", HFILL}
+ },
+ { &hf_srvloc_srvreg_scopelist,
+ { "Scope List", "srvloc.srvreq.scopelist", FT_STRING, BASE_NONE, NULL, 0x0,
+ "", HFILL}
+ },
+ { &hf_srvloc_srvreg_attrlistlen,
+ { "Attribute List Length", "srvloc.srvreq.attrlistlen", FT_UINT16, BASE_DEC, NULL, 0x0,
+ "", HFILL}
+ },
+ { &hf_srvloc_srvreg_attrlist,
+ { "Attribute List", "srvloc.srvreq.attrlist", FT_STRING, BASE_NONE, NULL, 0x0,
+ "", HFILL}
+ },
+ { &hf_srvloc_srvreg_attrauthcount,
+ { "Attr Auths", "srvloc.srvreq.attrauthcount", FT_UINT8, BASE_DEC, NULL, 0x0,
+ "Number of Attribute Authentication Blocks", HFILL}
+ },
+
+ /* Helper functions for Service Deregistration */
+ { &hf_srvloc_srvdereg_scopelistlen,
+ { "Scope List Length", "srvloc.srvdereq.scopelistlen", FT_UINT16, BASE_DEC, NULL, 0x0,
+ "", HFILL}
+ },
+ { &hf_srvloc_srvdereg_scopelist,
+ { "Scope List", "srvloc.srvdereq.scopelist", FT_STRING, BASE_NONE, NULL, 0x0,
+ "", HFILL}
+ },
+ { &hf_srvloc_srvdereg_taglistlen,
+ { "Tag List Length", "srvloc.srvdereq.taglistlen", FT_UINT16, BASE_DEC, NULL, 0x0,
+ "", HFILL}
+ },
+ { &hf_srvloc_srvdereg_taglist,
+ { "Tag List", "srvloc.srvdereq.taglist", FT_STRING, BASE_NONE, NULL, 0x0,
+ "", HFILL}
+ },
+
+
+ /* collection of helper functions for Attribute Request */
+ { &hf_srvloc_attrreq_prlistlen,
+ { "Previous Response List Length", "srvloc.attrreq.prlistlen", FT_UINT16, BASE_DEC, NULL, 0x0,
+ "Length of Previous Response List", HFILL}
+ },
+ { &hf_srvloc_attrreq_prlist,
+ { "Previous Response List", "srvloc.attrreq.prlist", FT_STRING, BASE_NONE, NULL, 0x0,
+ "Previous Response List", HFILL}
+ },
+ { &hf_srvloc_attrreq_urllen,
+ { "URL Length", "srvloc.attrreq.urllen", FT_UINT16, BASE_DEC, NULL, 0x0,
+ "", HFILL}
+ },
+ { &hf_srvloc_attrreq_url,
+ { "Service URL", "srvloc.attrreq.url", FT_STRING, BASE_NONE, NULL, 0x0,
+ "URL of service", HFILL}
+ },
+ { &hf_srvloc_attrreq_scopelistlen,
+ { "Scope List Length", "srvloc.attrreq.scopelistlen", FT_UINT16, BASE_DEC, NULL, 0x0,
+ "Length of the Scope List", HFILL}
+ },
+ { &hf_srvloc_attrreq_scopelist,
+ { "Scope List", "srvloc.attrreq.scopelist", FT_STRING, BASE_NONE, NULL, 0x0,
+ "", HFILL}
+ },
+ { &hf_srvloc_attrreq_attrlistlen,
+ { "Attribute List Length", "srvloc.attrreq.attrlistlen", FT_UINT16, BASE_DEC, NULL, 0x0,
+ "", HFILL}
+ },
+ { &hf_srvloc_attrreq_attrlist,
+ { "Attribute List", "srvloc.attrreq.attrlist", FT_STRING, BASE_NONE, NULL, 0x0,
+ "", HFILL}
+ },
+ { &hf_srvloc_attrreq_taglistlen,
+ { "Tag List Length", "srvloc.attrreq.taglistlen", FT_UINT16, BASE_DEC, NULL, 0x0,
+ "", HFILL}
+ },
+ { &hf_srvloc_attrreq_taglist,
+ { "Tag List", "srvloc.attrreq.taglist", FT_STRING, BASE_NONE, NULL, 0x0,
+ "", HFILL}
+ },
+ { &hf_srvloc_attrreq_slpspilen,
+ { "SLP SPI Length", "srvloc.attrreq.slpspilen", FT_UINT16, BASE_DEC, NULL, 0x0,
+ "Length of the SLP SPI", HFILL}
+ },
+ { &hf_srvloc_attrreq_slpspi,
+ { "SLP SPI", "srvloc.attrreq.slpspi", FT_STRING, BASE_NONE, NULL, 0x0,
+ "", HFILL}
+ },
+
+ /* collection of helper functions for Attribute Reply */
+ { &hf_srvloc_attrrply_attrlistlen,
+ { "Attribute List Length", "srvloc.attrrply.attrlistlen", FT_UINT16, BASE_DEC, NULL, 0x0,
+ "Length of Attribute List", HFILL}
+ },
+ { &hf_srvloc_attrrply_attrlist,
+ { "Attribute List", "srvloc.attrrply.attrlist", FT_STRING, BASE_NONE, NULL, 0x0,
+ "", HFILL}
+ },
+ { &hf_srvloc_attrrply_attrauthcount,
+ { "Attr Auths", "srvloc.srvreq.attrauthcount", FT_UINT8, BASE_DEC, NULL, 0x0,
+ "Number of Attribute Authentication Blocks", HFILL}
+ },
+
+ /* collection of helper functions for DA Advertisement */
+ { &hf_srvloc_daadvert_timestamp,
+ { "DAADVERT Timestamp", "srvloc.daadvert.timestamp", FT_ABSOLUTE_TIME, BASE_NONE,
+ NULL, 0, "Timestamp on DA Advert", HFILL }
+ },
+ { &hf_srvloc_daadvert_urllen,
+ { "URL Length", "srvloc.daadvert.urllen", FT_UINT16, BASE_DEC, NULL, 0x0,
+ "", HFILL}
+ },
+ { &hf_srvloc_daadvert_url,
+ { "URL", "srvloc.daadvert.url", FT_STRING, BASE_NONE, NULL, 0x0,
+ "", HFILL}
+ },
+ { &hf_srvloc_daadvert_scopelistlen,
+ { "Scope List Length", "srvloc.daadvert.scopelistlen", FT_UINT16, BASE_DEC, NULL, 0x0,
+ "Length of the Scope List", HFILL}
+ },
+ { &hf_srvloc_daadvert_scopelist,
+ { "Scope List", "srvloc.daadvert.scopelist", FT_STRING, BASE_NONE, NULL, 0x0,
+ "", HFILL}
+ },
+ { &hf_srvloc_daadvert_attrlistlen,
+ { "Attribute List Length", "srvloc.daadvert.attrlistlen", FT_UINT16, BASE_DEC, NULL, 0x0,
+ "", HFILL}
+ },
+ { &hf_srvloc_daadvert_attrlist,
+ { "Attribute List", "srvloc.daadvert.attrlist", FT_STRING, BASE_NONE, NULL, 0x0,
+ "", HFILL}
+ },
+ { &hf_srvloc_daadvert_slpspilen,
+ { "SLP SPI Length", "srvloc.daadvert.slpspilen", FT_UINT16, BASE_DEC, NULL, 0x0,
+ "Length of the SLP SPI", HFILL}
+ },
+ { &hf_srvloc_daadvert_slpspi,
+ { "SLP SPI", "srvloc.daadvert.slpspi", FT_STRING, BASE_NONE, NULL, 0x0,
+ "", HFILL}
+ },
+ { &hf_srvloc_daadvert_authcount,
+ { "Auths", "srvloc.daadvert.authcount", FT_UINT8, BASE_DEC, NULL, 0x0,
+ "Number of Authentication Blocks", HFILL}
+ },
+
+ /* collection of helper functions for Service Type Request */
+ { &hf_srvloc_srvtypereq_prlistlen,
+ { "Previous Response List Length", "srvloc.srvtypereq.prlistlen", FT_UINT16, BASE_DEC, NULL, 0x0,
+ "Length of Previous Response List", HFILL}
+ },
+ { &hf_srvloc_srvtypereq_prlist,
+ { "Previous Response List", "srvloc.srvtypereq.prlist", FT_STRING, BASE_NONE, NULL, 0x0,
+ "Previous Response List", HFILL}
+ },
+ { &hf_srvloc_srvtypereq_nameauthlistlen,
+ { "Naming Authority List Length", "srvloc.srvtypereq.nameauthlistlen", FT_UINT16, BASE_DEC, NULL, 0x0,
+ "Length of the Naming Authority List", HFILL}
+ },
+ { &hf_srvloc_srvtypereq_nameauthlistlenall,
+ { "Naming Authority List Length (All Naming Authorities)", "srvloc.srvtypereq.nameauthlistlen", FT_UINT16, BASE_DEC, NULL, 0x0,
+ "Length of the Naming Authority List", HFILL}
+ },
+ { &hf_srvloc_srvtypereq_nameauthlist,
+ { "Naming Authority List", "srvloc.srvtypereq.nameauthlist", FT_STRING, BASE_NONE, NULL, 0x0,
+ "", HFILL}
+ },
+ { &hf_srvloc_srvtypereq_scopelistlen,
+ { "Scope List Length", "srvloc.srvtypereq.scopelistlen", FT_UINT16, BASE_DEC, NULL, 0x0,
+ "Length of the Scope List", HFILL}
+ },
+ { &hf_srvloc_srvtypereq_scopelist,
+ { "Scope List", "srvloc.srvtypereq.scopelist", FT_STRING, BASE_NONE, NULL, 0x0,
+ "", HFILL}
+ },
+
+ /* collection of helper functions for Service Type Replies */
+ { &hf_srvloc_srvtyperply_srvtypelen,
+ { "Service Type Length", "srvloc.srvtypereq.srvtypelen", FT_UINT16, BASE_DEC, NULL, 0x0,
+ "Length of the Service Type", HFILL}
+ },
+ { &hf_srvloc_srvtyperply_srvtype,
+ { "Service Type", "srvloc.srvtyperply.srvtype", FT_STRING, BASE_NONE, NULL, 0x0,
+ "", HFILL}
+ },
+ { &hf_srvloc_srvtyperply_srvtypelistlen,
+ { "Service Type List Length", "srvloc.srvtypereq.srvtypelistlen", FT_UINT16, BASE_DEC, NULL, 0x0,
+ "Length of the Service Type List", HFILL}
+ },
+ { &hf_srvloc_srvtyperply_srvtypelist,
+ { "Service Type List", "srvloc.srvtyperply.srvtypelist", FT_STRING, BASE_NONE, NULL, 0x0,
+ "", HFILL}
+ },
+
+ /* collection of helper functions for SA Advertisement */
+ { &hf_srvloc_saadvert_urllen,
+ { "URL Length", "srvloc.saadvert.urllen", FT_UINT16, BASE_DEC, NULL, 0x0,
+ "", HFILL}
+ },
+ { &hf_srvloc_saadvert_url,
+ { "URL", "srvloc.saadvert.url", FT_STRING, BASE_NONE, NULL, 0x0,
+ "", HFILL}
+ },
+ { &hf_srvloc_saadvert_scopelistlen,
+ { "Scope List Length", "srvloc.saadvert.scopelistlen", FT_UINT16, BASE_DEC, NULL, 0x0,
+ "Length of the Scope List", HFILL}
+ },
+ { &hf_srvloc_saadvert_scopelist,
+ { "Scope List", "srvloc.saadvert.scopelist", FT_STRING, BASE_NONE, NULL, 0x0,
+ "", HFILL}
+ },
+ { &hf_srvloc_saadvert_attrlistlen,
+ { "Attribute List Length", "srvloc.saadvert.attrlistlen", FT_UINT16, BASE_DEC, NULL, 0x0,
+ "", HFILL}
+ },
+ { &hf_srvloc_saadvert_attrlist,
+ { "Attribute List", "srvloc.saadvert.attrlist", FT_STRING, BASE_NONE, NULL, 0x0,
+ "", HFILL}
+ },
+ { &hf_srvloc_saadvert_authcount,
+ { "Auths", "srvloc.saadvert.authcount", FT_UINT8, BASE_DEC, NULL, 0x0,
+ "Number of Authentication Blocks", HFILL}
+ }
+
};
-
+
static gint *ett[] = {
&ett_srvloc,
&ett_srvloc_flags,
};
+ module_t *srvloc_module;
proto_srvloc = proto_register_protocol("Service Location Protocol",
"SRVLOC", "srvloc");
proto_register_field_array(proto_srvloc, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
-};
+ srvloc_module = prefs_register_protocol(proto_srvloc, NULL);
+ prefs_register_bool_preference(srvloc_module, "desegment_tcp",
+ "Desegment all SRVLOC messages spanning multiple TCP segments",
+ "Whether the SRVLOC dissector should desegment all messages spanning multiple TCP segments",
+ &srvloc_desegment);
+}
void
proto_reg_handoff_srvloc(void)
{
- dissector_add("tcp.port", TCP_PORT_SRVLOC, dissect_srvloc, proto_srvloc);
- dissector_add("udp.port", UDP_PORT_SRVLOC, dissect_srvloc, proto_srvloc);
-}
+ dissector_handle_t srvloc_handle, srvloc_tcp_handle;
+ srvloc_handle = create_dissector_handle(dissect_srvloc, proto_srvloc);
+ dissector_add("udp.port", UDP_PORT_SRVLOC, srvloc_handle);
+ srvloc_tcp_handle = create_dissector_handle(dissect_srvloc_tcp,
+ proto_srvloc);
+ dissector_add("tcp.port", TCP_PORT_SRVLOC, srvloc_tcp_handle);
+}