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wireshark/packet-diameter.c
Guy Harris 43ccfd8054 Add an additional "protocol index" argument to "{old_}dissector_add()", 
"{old_}heur_dissector_add()", "{old_}conv_dissector_add()", and
"register_dissector()", so that an entry in those tables has associated
with it the protocol index of the protocol the dissector handles (or -1,
if there is no protocol index for it).

This is for future use in a number of places.

(Arguably, "proto_register_protocol()" should take a dissector pointer
as an argument, but

	1) it'd have to handle both regular and heuristic dissectors;

	2) making it take either a "dissector_t" or a union of that and
	   a "heur_dissector_t" introduces some painful header-file
	   interdependencies

so I'm punting on that for now.  As with other Ethereal internal APIs,
these APIs are subject to change in the future, at least until Ethereal
1.0 comes out....)

svn path=/trunk/; revision=2849
2001-01-09 06:32:10 +00:00

775 lines
21 KiB
C
Raw Blame History

/* packet-diameter.c
* Routines for DIAMETER packet disassembly
*
* $Id: packet-diameter.c,v 1.11 2001/01/09 06:31:35 guy Exp $
*
* Copyright (c) 2000 by David Frascone <chaos@mindspring.com>
*
* Ethereal - Network traffic analyzer
* By Johan Feyaerts
* Copyright 1999 Johan Feyaerts
* 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <time.h>
#include <glib.h>
#include "packet.h"
#include "resolv.h"
#include "prefs.h"
/* This must be defined before we include our dictionary defs */
typedef struct _value_value_pair {
guint16 val1;
guint16 val2;
} value_value_pair;
typedef enum {
DIAMETER_DATA=1,
DIAMETER_STRING,
DIAMETER_ADDRESS,
DIAMETER_INTEGER32,
DIAMETER_INTEGER64,
DIAMETER_TIME,
DIAMETER_COMPLEX
} diameterDataTypes;
#include "packet-diameter.h"
#include "packet-diameter-defs.h"
#define COMMAND_CODE_OFFSET 20
#define NTP_TIME_DIFF (2208988800UL)
#undef SCTP_DISSECTORS_ENABLED
#define UDP_PORT_DIAMETER 2645
#define TCP_PORT_DIAMETER 1812
#ifdef SCTP_DISSECTORS_ENABLED
#define SCTP_PORT_DIAMETER 1812
#endif
/* #define UDP_PORT_DIAMETER 1812 -- Compiling this in breaks RADIUS */
static int proto_diameter = -1;
static int hf_diameter_length = -1;
static int hf_diameter_code = -1;
static int hf_diameter_id =-1;
static int hf_diameter_flags = -1;
static int hf_diameter_ns = -1;
static int hf_diameter_nr = -1;
static gint ett_diameter = -1;
static gint ett_diameter_avp = -1;
static gint ett_diameter_avpinfo = -1;
static char gbl_diameterString[200];
static int gbl_diameterUdpPort=UDP_PORT_DIAMETER;
static int gbl_diameterTcpPort=TCP_PORT_DIAMETER;
#ifdef SCTP_DISSECTORS_ENABLED
static int gbl_diameterSctpPort=SCTP_PORT_DIAMETER;
#endif
gboolean gbl_commandCodeInHeader = FALSE;
typedef struct _e_diameterhdr {
guint8 code; /* Must be 254 for diameter */
guint8 flagsVer;
guint16 pktLength;
guint32 identifier;
union {
struct {
guint16 nextSend;
guint16 nextReceived;
} old;
struct {
guint32 commandCode;
guint32 vendorId;
guint16 nextSend;
guint16 nextReceived;
} new;
} u;
} e_diameterhdr;
typedef struct _e_avphdr {
guint32 avp_type;
guint16 avp_length;
guint16 avp_flags;
guint32 avp_vendorId; /* optional */
guint32 avp_tag; /* optional */
} e_avphdr;
#define AUTHENTICATOR_LENGTH 12
#define DIAM_FLAGS_A 0x10
#define DIAM_FLAGS_W 0x08
#define AVP_FLAGS_P 0x0010
#define AVP_FLAGS_T 0x0008
#define AVP_FLAGS_V 0x0004
#define AVP_FLAGS_R 0x0002
#define AVP_FLAGS_M 0x0001
void proto_reg_handoff_diameter(void);
static guint32 match_numval(guint32 val, const value_value_pair *vs)
{
guint32 i = 0;
while (vs[i].val1) {
if (vs[i].val1 == val)
return(vs[i].val2);
i++;
}
return(0);
}
static gchar *rdconvertbufftostr(gchar *dest,guint8 length,const guint8 *pd)
{
/*converts the raw buffer into printable text */
guint32 i;
guint32 totlen=0;
dest[0]='"';
dest[1]=0;
totlen=1;
for (i=0; i < (guint32)length; i++)
{
if( isalnum((int)pd[i])||ispunct((int)pd[i])
||((int)pd[i]==' ')) {
dest[totlen]=(gchar)pd[i];
totlen++;
}
else
{
sprintf(&(dest[totlen]), "\\%03u", pd[i]);
totlen=totlen+strlen(&(dest[totlen]));
}
}
dest[totlen]='"';
dest[totlen+1]=0;
return dest;
}
static gchar *rd_match_strval(guint32 val, const value_string *vs) {
gchar *result;
result=match_strval(val,vs);
if (result == NULL ) {
result="Undefined";
}
return result;
}
static char *complexValCheck(e_avphdr *avp, const char *data, size_t dataLen)
{
const char *rawData;
static char returnStr[1024];
switch (avp->avp_type) {
case DIAMETER_ATT_INTEGRITY_CHECK_VALUE:
{
struct {
guint32 transform;
guint32 keyid;
} icv;
memcpy(&icv, data, 8);
icv.transform=ntohl(icv.transform);
icv.keyid=ntohl(icv.keyid);
rawData = &data[8];
sprintf(returnStr,
"transform: 0x%08x (%d) keyid: 0x%08x (%d) Hash: ",
icv.transform, icv.transform, icv.keyid, icv.keyid);
rdconvertbufftostr(&returnStr[strlen(returnStr)],
dataLen-8,
rawData);
return returnStr;
}
}
return NULL;;
} /* complexValCheck */
static char *customValCheck(int code, int value)
{
switch (code) {
case DIAMETER_ATT_QOS_SERVICE_TYPE:
return rd_match_strval(value, diameter_qos_service_type_vals);
break;
case DIAMETER_ATT_SERVICE_TYPE:
return rd_match_strval(value, diameter_service_type_vals);
break;
case DIAMETER_ATT_PROHIBIT:
return rd_match_strval(value, diameter_prohibit_vals);
break;
case DIAMETER_ATT_PROMPT:
return rd_match_strval(value, diameter_prompt_vals);
break;
case DIAMETER_ATT_SOURCE_PORT:
return rd_match_strval(value, diameter_source_port_vals);
break;
case DIAMETER_ATT_NAS_PORT_TYPE:
return rd_match_strval(value, diameter_nas_port_type_vals);
break;
case DIAMETER_ATT_INTERFACE_ADDRESS:
return rd_match_strval(value, diameter_interface_address_vals);
break;
case DIAMETER_ATT_FRAMED_ROUTING:
return rd_match_strval(value, diameter_framed_routing_vals);
break;
case DIAMETER_ATT_COMMAND_CODE:
return rd_match_strval(value, diameter_command_code_vals);
break;
case DIAMETER_ATT_FRAMED_IP_ADDRESS:
return rd_match_strval(value, diameter_framed_ip_address_vals);
break;
case DIAMETER_ATT_ARAP_ZONE_ACCESS:
return rd_match_strval(value, diameter_arap_zone_access_vals);
break;
case DIAMETER_ATT_ACCT_AUTHENTIC:
return rd_match_strval(value, diameter_acct_authentic_vals);
break;
case DIAMETER_ATT_FRAMED_PROTOCOL:
return rd_match_strval(value, diameter_framed_protocol_vals);
break;
case DIAMETER_ATT_FRAMED_COMPRESSION:
return rd_match_strval(value, diameter_framed_compression_vals);
break;
case DIAMETER_ATT_AUTHENTICATION_TYPE:
return rd_match_strval(value, diameter_authentication_type_vals);
break;
case DIAMETER_ATT_ACCT_TERMINATE_CAUSE:
return rd_match_strval(value, diameter_acct_terminate_cause_vals);
break;
case DIAMETER_ATT_PROTOCOL:
return rd_match_strval(value, diameter_protocol_vals);
break;
case DIAMETER_ATT_DESTINATION_PORT:
return rd_match_strval(value, diameter_destination_port_vals);
break;
case DIAMETER_ATT_TERMINATION_ACTION:
return rd_match_strval(value, diameter_termination_action_vals);
break;
case DIAMETER_ATT_EXTENSION_ID:
return rd_match_strval(value, diameter_extension_id_vals);
break;
case DIAMETER_ATT_MERIT_LAS_CODE:
return rd_match_strval(value, diameter_merit_las_code_vals);
break;
case DIAMETER_ATT_LOGIN_SERVICE:
return rd_match_strval(value, diameter_login_service_vals);
break;
case DIAMETER_ATT_RSVP_SERVICE_TYPE:
return rd_match_strval(value, diameter_rsvp_service_type_vals);
break;
case DIAMETER_ATT_REBOOT_TYPE:
return rd_match_strval(value, diameter_reboot_type_vals);
break;
case DIAMETER_ATT_ACCT_STATUS_TYPE:
return rd_match_strval(value, diameter_acct_status_type_vals);
break;
}
return NULL;
}
static gchar *rd_value_to_str(e_avphdr *avph,const u_char *pd, int offset)
{
int print_type;
gchar *cont;
guint32 intval;
int dataLen;
char *valstr;
static char buffer[1024];
dataLen = avph->avp_length - sizeof(e_avphdr);
if (!(avph->avp_flags & AVP_FLAGS_V))
dataLen += 4;
if (!(avph->avp_flags & AVP_FLAGS_T))
dataLen += 4;
/* prints the values of the attribute value pairs into a text buffer */
print_type=match_numval(avph->avp_type,diameter_printinfo);
/* Default begin */
sprintf(buffer,"Value: ");
cont=&buffer[strlen(buffer)];
switch(print_type)
{
case DIAMETER_COMPLEX:
valstr=complexValCheck(avph, &(pd[offset]), dataLen);
if (valstr) {
strcpy(cont, valstr);
break;
}
/* Intentional fall through */
case DIAMETER_DATA:
case DIAMETER_STRING:
rdconvertbufftostr(cont,dataLen,
&(pd[offset]));
break;
case DIAMETER_ADDRESS:
sprintf(cont,"%u.%u.%u.%u",(guint8)pd[offset],
(guint8)pd[offset+1],(guint8)pd[offset+2],
(guint8)pd[offset+3]);
break;
case DIAMETER_INTEGER32:
/* Check for custom values */
intval=pntohl(&(pd[offset]));
valstr=customValCheck(avph->avp_type, intval);
if (valstr) {
sprintf(cont,"%s (%u)", valstr, intval);
} else {
sprintf(cont,"%u", intval);
}
break;
case DIAMETER_INTEGER64:
sprintf(cont,"Unsupported Conversion");
break;
case DIAMETER_TIME:
{
struct tm lt;
intval=pntohl(&(pd[offset]));
intval -= NTP_TIME_DIFF;
lt=*localtime((time_t *)&intval);
strftime(cont, 1024,
"%a, %d %b %Y %H:%M:%S %z",&lt);
}
break;
default:
rdconvertbufftostr(cont,dataLen,
&(pd[offset]));
break;
}
if (cont == buffer) {
strcpy(cont,"Unknown Value");
}
return buffer;
}
static void dissect_attribute_value_pairs(const u_char *pd, int offset,
frame_data *fd, proto_tree *tree, int avplength) {
/* adds the attribute value pairs to the tree */
e_avphdr avph;
gchar *avptpstrval;
gchar *valstr;
guint32 tag=0;
guint32 vendorId=0;
int dataOffset;
int fixAmt;
proto_item *avptf;
proto_tree *avptree;
int vendorOffset, tagOffset;
if (avplength==0) {
proto_tree_add_text(tree, NullTVB,offset,0,
"No Attribute Value Pairs Found");
return;
}
while (avplength > 0 ) {
vendorOffset = tagOffset = 0;
memcpy(&avph,&pd[offset],sizeof(e_avphdr));
avph.avp_type = ntohl(avph.avp_type);
avph.avp_length = ntohs(avph.avp_length);
avph.avp_flags = ntohs(avph.avp_flags);
if (avph.avp_flags & AVP_FLAGS_V) {
vendorId = ntohl(avph.avp_vendorId);
vendorOffset = 8;
if (avph.avp_flags & AVP_FLAGS_T) {
tag = ntohl(avph.avp_tag);
tagOffset = 12;
dataOffset = sizeof(e_avphdr);
} else {
/* only a vendor id */
dataOffset = sizeof(e_avphdr) - sizeof(guint32);
}
} else {
if (avph.avp_flags & AVP_FLAGS_T) {
/* tag in vendor field */
tag = ntohl(avph.avp_vendorId);
tagOffset = 8;
dataOffset = sizeof(e_avphdr) - sizeof(guint32);
} else {
/* No vendor or tag info */
dataOffset = sizeof(e_avphdr) -
(2*sizeof(guint32));
}
}
/*
* Fix byte-alignment
*/
fixAmt = 4 - (avph.avp_length % 4);
if (fixAmt == 4) fixAmt = 0;
avplength=avplength - (avph.avp_length + fixAmt);
avptpstrval=match_strval(avph.avp_type, diameter_attrib_type_vals);
if (avptpstrval == NULL) avptpstrval="Unknown Type";
if (!BYTES_ARE_IN_FRAME(offset, avph.avp_length)) {
break;
}
avptf = proto_tree_add_text(tree,NullTVB,
offset, avph.avp_length,
"%s(%d) l:0x%x (%d bytes)",
avptpstrval,avph.avp_type,avph.avp_length,
avph.avp_length);
avptree = proto_item_add_subtree(avptf,
ett_diameter_avpinfo);
if (avptree !=NULL) {
proto_tree_add_text(avptree,NullTVB,
offset, 4,
"AVP Code: %s(%d)",
avptpstrval,avph.avp_type);
proto_tree_add_text(avptree,NullTVB,
offset+4 , 2,
"Length: 0x%x(%d bytes)",
avph.avp_length, avph.avp_length);
proto_tree_add_text(avptree,NullTVB,
offset+6, 2,
"Flags: P:%d T:%d V:%d R:%d M:%d",
(avph.avp_flags & AVP_FLAGS_P)?1:0,
(avph.avp_flags & AVP_FLAGS_T)?1:0,
(avph.avp_flags & AVP_FLAGS_V)?1:0,
(avph.avp_flags & AVP_FLAGS_R)?1:0,
(avph.avp_flags & AVP_FLAGS_M)?1:0);
if (vendorOffset) {
proto_tree_add_text(avptree,NullTVB,
offset+vendorOffset, 4,
"VendorId: 0x%08x (%d)",
vendorId, vendorId);
}
if (tagOffset) {
proto_tree_add_text(avptree,NullTVB,
offset+tagOffset, 4,
"Tag: 0x%08x (%d)",
tag, tag);
}
valstr=rd_value_to_str(&avph, pd, offset+dataOffset);
proto_tree_add_text(avptree,NullTVB,
offset+dataOffset, avph.avp_length - dataOffset,
"Data: (%d bytes) %s",
avph.avp_length - dataOffset, valstr);
}
offset=offset+avph.avp_length + fixAmt;
}
}
void dissect_diameter(const u_char *pd, int offset, frame_data *fd,
proto_tree *tree)
{
proto_tree *diameter_tree,*avptree;
proto_item *ti,*avptf;
int avplength,hdrlength, offsetavp;
e_diameterhdr dh;
int commandCode;
char buffer[2000];
int nextSend=0, nextReceived=0;
gchar *codestrval;
OLD_CHECK_DISPLAY_AS_DATA(proto_diameter, pd, offset, fd, tree);
if (gbl_commandCodeInHeader)
hdrlength=sizeof(e_diameterhdr);
else
hdrlength = sizeof(e_diameterhdr) - (2 * sizeof(guint32));
memcpy(&dh,&pd[offset],hdrlength);
/* Fix byte ordering in our static structure */
dh.pktLength = ntohs(dh.pktLength);
dh.identifier = ntohl(dh.identifier);
/* Our code is in first avp */
if (gbl_commandCodeInHeader) {
dh.u.new.commandCode = ntohl(dh.u.new.commandCode);
dh.u.new.vendorId = ntohl(dh.u.new.vendorId);
if ((DIAM_FLAGS_W & dh.flagsVer)) {
dh.u.new.nextSend = ntohs(dh.u.new.nextSend);
dh.u.new.nextReceived = ntohs(dh.u.new.nextReceived);
nextSend = dh.u.new.nextSend;
nextReceived = dh.u.new.nextReceived;
} else {
hdrlength -= 4;
}
commandCode = dh.u.new.commandCode;
} else {
if ((DIAM_FLAGS_W & dh.flagsVer)) {
dh.u.old.nextSend = ntohs(dh.u.old.nextSend);
dh.u.old.nextReceived = ntohs(dh.u.old.nextReceived);
nextSend = dh.u.old.nextSend;
nextReceived = dh.u.old.nextReceived;
} else {
hdrlength -= 4;
}
memcpy(&commandCode, &pd[offset+COMMAND_CODE_OFFSET], 4);
commandCode = ntohl(commandCode);
}
codestrval= match_strval(commandCode,diameter_command_code_vals);
if (codestrval==NULL) {
codestrval="Unknown Packet";
}
if (check_col(fd, COL_PROTOCOL))
col_set_str(fd, COL_PROTOCOL, "DIAMETER");
if (check_col(fd, COL_INFO)) {
if (DIAM_FLAGS_W & dh.flagsVer) {
if (DIAM_FLAGS_A & dh.flagsVer) {
sprintf(buffer,"ACK (id=%d, l=%d, s=%d, r=%d)",
dh.identifier, dh.pktLength, nextSend,
nextReceived);
} else {
sprintf(buffer,"%s(%d) (id=%d, l=%d, s=%d, r=%d)",
codestrval,commandCode, dh.identifier, dh.pktLength,
nextSend, nextReceived);
}
} else {
if (DIAM_FLAGS_A & dh.flagsVer) {
sprintf(buffer,"ACK (id=%d, l=%d)",
dh.identifier, dh.pktLength);
} else {
sprintf(buffer,"%s(%d) (id=%d, l=%d)",
codestrval,commandCode,
dh.identifier, dh.pktLength);
}
}
col_add_fstr(fd,COL_INFO,buffer);
}
if (tree) {
ti = proto_tree_add_protocol_format(tree, proto_diameter, NullTVB,
offset, dh.pktLength, "%s",
gbl_diameterString);
diameter_tree = proto_item_add_subtree(ti, ett_diameter);
if (!(DIAM_FLAGS_A & dh.flagsVer)) {
proto_tree_add_uint_format(diameter_tree,
hf_diameter_code,
NullTVB,
offset+0,
1, dh.code, "Packet code:0x%02x",
dh.code);
}
proto_tree_add_uint_format(diameter_tree,
hf_diameter_flags,
NullTVB, offset+1, 1,
dh.flagsVer,
"Packet flags/Version: 0x%02x (Flags:0x%x,"
" A:%d W:%d Version=0x%1x (%d)",
dh.flagsVer, (dh.flagsVer&0xf8)>>3,
(DIAM_FLAGS_A & dh.flagsVer)?1:0,
(DIAM_FLAGS_W & dh.flagsVer)?1:0,
dh.flagsVer&0x07, dh.flagsVer&0x07);
proto_tree_add_uint_format(diameter_tree,
hf_diameter_length, NullTVB,
offset+2, 2,
dh.pktLength,
"Packet length: 0x%04x (%d)",dh.pktLength,
dh.pktLength);
proto_tree_add_uint_format(diameter_tree,hf_diameter_id,
NullTVB, offset+4, 4,
dh.identifier, "Packet identifier: 0x%08x (%d)",
dh.identifier, dh.identifier);
if (gbl_commandCodeInHeader) {
proto_tree_add_uint_format(diameter_tree,hf_diameter_id,
NullTVB, offset+8, 4,
dh.identifier, "Command Code: 0x%08x (%d:%s)",
dh.u.new.commandCode, dh.u.new.commandCode,
codestrval);
proto_tree_add_uint_format(diameter_tree,hf_diameter_id,
NullTVB, offset+12, 4,
dh.identifier, "VendorId: 0x%08x (%d)",
dh.u.new.vendorId, dh.u.new.vendorId);
if (DIAM_FLAGS_W & dh.flagsVer) {
proto_tree_add_uint_format(diameter_tree,
hf_diameter_ns, NullTVB,
offset+16, 2,
nextSend,
"Ns: 0x%02x(%d)",nextSend, nextSend);
proto_tree_add_uint_format(diameter_tree,
hf_diameter_nr, NullTVB,
offset+20, 2,
nextReceived,
"Nr: 0x%02x(%d)", nextReceived,
nextReceived);
}
} else {
if (DIAM_FLAGS_W & dh.flagsVer) {
proto_tree_add_uint_format(diameter_tree,
hf_diameter_ns, NullTVB,
offset+8, 2,
nextSend,
"Ns: 0x%02x(%d)",nextSend, nextSend);
proto_tree_add_uint_format(diameter_tree,
hf_diameter_nr, NullTVB,
offset+10, 2,
nextReceived,
"Nr: 0x%02x(%d)", nextReceived,
nextReceived);
}
}
/* Update the lengths */
avplength= dh.pktLength -hdrlength;
offsetavp=offset+hdrlength;
/* list the attribute value pairs */
avptf = proto_tree_add_text(diameter_tree,
NullTVB,offset+hdrlength,avplength,
"Attribute value pairs");
avptree = proto_item_add_subtree(avptf,
ett_diameter_avp);
if (avptree !=NULL) {
dissect_attribute_value_pairs( pd,
offsetavp,fd,avptree,avplength);
}
}
}
/* registration with the filtering engine */
void
proto_register_diameter(void)
{
static hf_register_info hf[] = {
{ &hf_diameter_code,
{ "Code","diameter.code", FT_UINT8, BASE_DEC, NULL, 0x0,
"" }},
{ &hf_diameter_flags,
{ "Flags+Version", "diameter.flags", FT_UINT8, BASE_DEC, NULL, 0x0,
"" }},
{ &hf_diameter_length,
{ "Length","diameter.length", FT_UINT32, BASE_DEC, NULL, 0x0,
"" }},
{ &hf_diameter_id,
{ "Identifier", "diameter.id", FT_UINT32, BASE_DEC, NULL, 0x0,
"" }},
{ &hf_diameter_ns,
{ "Next Send", "diameter.ns", FT_UINT16, BASE_DEC, NULL, 0x0,
"" }},
{ &hf_diameter_nr,
{ "Next Received", "diameter.nr", FT_UINT16, BASE_DEC, NULL, 0x0,
"" }},
};
static gint *ett[] = {
&ett_diameter,
&ett_diameter_avp,
&ett_diameter_avpinfo
};
module_t *diameter_module;
proto_diameter = proto_register_protocol (gbl_diameterString,
"DIAMETER", "diameter");
proto_register_field_array(proto_diameter, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
/* Register a configuration option for port */
diameter_module = prefs_register_protocol(proto_diameter,
proto_reg_handoff_diameter);
prefs_register_uint_preference(diameter_module, "udp.port",
"DIAMETER UDP Port",
"Set the port for DIAMETER messages (if"
" other than RADIUS port)",
10,
&gbl_diameterUdpPort);
prefs_register_uint_preference(diameter_module, "tcp.port",
"DIAMETER TCP Port",
"Set the TCP port for DIAMETER messages",
10,
&gbl_diameterTcpPort);
#ifdef SCTP_DISSECTORS_ENABLED
prefs_register_uint_preference(diameter_module, "sctp.port",
"DIAMETER SCTP Port",
"Set the SCTP port for DIAMETER messages",
10,
&gbl_diameterSctpPort);
#endif
prefs_register_bool_preference(diameter_module, "command_in_header",
"Command code in header",
"Whether the command code is in the header, or in the first AVP",
&gbl_commandCodeInHeader);
}
void
proto_reg_handoff_diameter(void)
{
static int Initialized=FALSE;
static int UdpPort=0;
static int TcpPort=0;
#ifdef SCTP_DISSECTORS_ENABLED
static int SctpPort=0;
#endif
if (Initialized) {
old_dissector_delete("udp.port", UdpPort, dissect_diameter);
old_dissector_delete("tcp.port", TcpPort, dissect_diameter);
#ifdef SCTP_DISSECTORS_ENABLED
old_dissector_delete("sctp.srcport", SctpPort, dissect_diameter);
old_dissector_delete("sctp.destport", SctpPort, dissect_diameter);
#endif
} else {
Initialized=TRUE;
}
/* set port for future deletes */
UdpPort=gbl_diameterUdpPort;
TcpPort=gbl_diameterTcpPort;
#ifdef SCTP_DISSECTORS_ENABLED
SctpPort=gbl_diameterSctpPort;
#endif
strcpy(gbl_diameterString, "Diameter Protocol");
/* g_warning ("Diameter: Adding tcp dissector to port %d",
gbl_diameterTcpPort); */
old_dissector_add("tcp.port", gbl_diameterTcpPort, dissect_diameter,
proto_diameter);
old_dissector_add("udp.port", gbl_diameterUdpPort, dissect_diameter,
proto_diameter);
#ifdef SCTP_DISSECTORS_ENABLED
old_dissector_add("sctp.srcport", gbl_diameterSctpPort,
dissect_diameter, proto_diameter);
old_dissector_add("sctp.destport", gbl_diameterSctpPort,
dissect_diameter, proto_diameter);
#endif
}
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