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freebsd-skq/usr.sbin/i4b/isdntrace/1tr6.c
phk c7ecc129d7 Initial entry of ISDN4BSD into the FreeBSD tree. 
ISDN4BSD is the work of our brand-new comitter: Hellmuth Michaelis,
who has done a tremendous amount of work to bring us this far.

There are still some outstanding issues and files to bring into
the tree, and for now it will be needed to pick up all the extra
docs from the isdn4bsd release.

It is probably also a very good idea to subscribe to the isdn@freebsd.org
mailing list before you try this out.

These files correspond to release "beta Version 0.70.00 / December
1998" from Hellmuth.
1998-12-27 21:47:14 +00:00

755 lines
18 KiB
C
Raw Blame History

/*
* Copyright (c) 1997, 1998 Hellmuth Michaelis. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*---------------------------------------------------------------------------
*
* 1tr6.c - print 1TR6 protocol traces
* -----------------------------------
*
* $Id: 1tr6.c,v 1.4 1998/12/05 18:04:08 hm Exp $
*
* last edit-date: [Sat Dec 5 18:18:38 1998]
*
*---------------------------------------------------------------------------*/
#include "trace.h"
static int p_1tr6address(char *pbuf, unsigned char buf[]);
static int p_1tr6cause(char *pbuf, unsigned char buf[]);
/*---------------------------------------------------------------------------*
* decode the (german) national specific 1TR6 protocol
*---------------------------------------------------------------------------*/
void
decode_1tr6(char *pbuf, int n, int off, unsigned char *buf, int raw)
{
int codeset = 0;
int oldcodeset = 0;
int codelock = 0;
int pd;
int len;
int j;
int i;
if(n <= 0)
return;
*pbuf = '\0';
if(raw)
{
for (i = 0; i < n; i += 16)
{
sprintf((pbuf+strlen(pbuf)),"Dump:%.3d ", i+off);
for (j = 0; j < 16; j++)
if (i + j < n)
sprintf((pbuf+strlen(pbuf)),"%02x ", buf[i + j]);
else
sprintf((pbuf+strlen(pbuf))," ");
sprintf((pbuf+strlen(pbuf))," ");
for (j = 0; j < 16 && i + j < n; j++)
if (isprint(buf[i + j]))
sprintf((pbuf+strlen(pbuf)),"%c", buf[i + j]);
else
sprintf((pbuf+strlen(pbuf)),".");
sprintf((pbuf+strlen(pbuf)),"\n");
}
}
sprintf((pbuf+strlen(pbuf)), "1TR6: ");
/* protocol discriminator */
i = 0;
pd = buf[i];
switch(pd)
{
case 0x40:
sprintf((pbuf+strlen(pbuf)), "pd=N0, ");
break;
case 0x41:
sprintf((pbuf+strlen(pbuf)), "pd=N1, ");
break;
default:
sprintf((pbuf+strlen(pbuf)), "pd=UNDEF (0x%02x), ",pd);
break;
}
/* call reference */
i++;
len = buf[i] & 0x0f;
switch(len)
{
case 1:
sprintf((pbuf+strlen(pbuf)), "cr=0x%02x %s, ", (buf[i+1] & 0x7f), (buf[i+1] & 0x80) ? "(from destination)" : "(from origination)");
break;
default:
sprintf((pbuf+strlen(pbuf)), "cr: LEN=%d %s 0x%02x 0x%02x, ", len, (buf[i+1] & 0x80) ? "org" : "dst", (buf[i+1] & 0x7f), (buf[i+2] & 0x7f));
break;
}
i += (len+1);
/* message type */
sprintf((pbuf+strlen(pbuf)), "message=");
if(pd == 0x40) /* protocol discriminator N0 */
{
switch(buf[i])
{
case 0x61:
sprintf((pbuf+strlen(pbuf)), "REGISTER INDICATION: ");
break;
case 0x62:
sprintf((pbuf+strlen(pbuf)), "CANCEL INDICATION: ");
break;
case 0x63:
sprintf((pbuf+strlen(pbuf)), "FACILITY STATUS: ");
break;
case 0x64:
sprintf((pbuf+strlen(pbuf)), "STATUS ACKNOWLEDGE: ");
break;
case 0x65:
sprintf((pbuf+strlen(pbuf)), "STATUS REJECT: ");
break;
case 0x66:
sprintf((pbuf+strlen(pbuf)), "FACILITY INFORMATION: ");
break;
case 0x67:
sprintf((pbuf+strlen(pbuf)), "INFORMATION ACKNOWLEDGE: ");
break;
case 0x68:
sprintf((pbuf+strlen(pbuf)), "INFORMATION REJECT: ");
break;
case 0x75:
sprintf((pbuf+strlen(pbuf)), "CLOSE: ");
break;
case 0x77:
sprintf((pbuf+strlen(pbuf)), "CLOSE ACKNOWLEDGE: ");
break;
default:
sprintf((pbuf+strlen(pbuf)), "ERROR: PD=0x40 MSG=0x%02x, ", buf[i]);
break;
}
}
else if(pd == 0x41)
{
switch(buf[i])
{
case 0x00:
sprintf((pbuf+strlen(pbuf)), "ESCAPE: ");
break;
case 0x01:
sprintf((pbuf+strlen(pbuf)), "ALERT: ");
break;
case 0x02:
sprintf((pbuf+strlen(pbuf)), "CALL SENT: ");
break;
case 0x07:
sprintf((pbuf+strlen(pbuf)), "CONNECT: ");
break;
case 0x0f:
sprintf((pbuf+strlen(pbuf)), "CONNECT ACKNOWLEDGE: ");
break;
case 0x05:
sprintf((pbuf+strlen(pbuf)), "SETUP: ");
break;
case 0x0d:
sprintf((pbuf+strlen(pbuf)), "SETUP ACKNOWLEDGE: ");
break;
case 0x26:
sprintf((pbuf+strlen(pbuf)), "RESUME: ");
break;
case 0x2e:
sprintf((pbuf+strlen(pbuf)), "RESUME ACKNOWLEDGE: ");
break;
case 0x22:
sprintf((pbuf+strlen(pbuf)), "RESUME REJECT: ");
break;
case 0x25:
sprintf((pbuf+strlen(pbuf)), "SUSPEND: ");
break;
case 0x2d:
sprintf((pbuf+strlen(pbuf)), "SUSPEND ACKNOWLEDGE: ");
break;
case 0x21:
sprintf((pbuf+strlen(pbuf)), "SUSPEND REJECT: ");
break;
case 0x20:
sprintf((pbuf+strlen(pbuf)), "USER INFORMATION: ");
break;
case 0x40:
sprintf((pbuf+strlen(pbuf)), "DETACH");
break;
case 0x45:
sprintf((pbuf+strlen(pbuf)), "DISCONNECT: ");
break;
case 0x4d:
sprintf((pbuf+strlen(pbuf)), "RELEASE: ");
break;
case 0x5a:
sprintf((pbuf+strlen(pbuf)), "RELEASE ACKNOWLEDGE");
break;
case 0x6e:
sprintf((pbuf+strlen(pbuf)), "CANCEL ACKNOWLEDGE: ");
break;
case 0x67:
sprintf((pbuf+strlen(pbuf)), "CANCEL REJECT: ");
break;
case 0x69:
sprintf((pbuf+strlen(pbuf)), "CONGESTION CONTROL: ");
break;
case 0x60:
sprintf((pbuf+strlen(pbuf)), "FACILITY: ");
break;
case 0x68:
sprintf((pbuf+strlen(pbuf)), "FACILITY ACKNOWLEDGE: ");
break;
case 0x66:
sprintf((pbuf+strlen(pbuf)), "FACILITY CANCEL: ");
break;
case 0x64:
sprintf((pbuf+strlen(pbuf)), "FACILITY REGISTER: ");
break;
case 0x65:
sprintf((pbuf+strlen(pbuf)), "FACILITY REJECT: ");
break;
case 0x6d:
sprintf((pbuf+strlen(pbuf)), "INFORMATION: ");
break;
case 0x6c:
sprintf((pbuf+strlen(pbuf)), "REGISTER ACKNOWLEDGE: ");
break;
case 0x6f:
sprintf((pbuf+strlen(pbuf)), "REGISTER REJECT: ");
break;
case 0x63:
sprintf((pbuf+strlen(pbuf)), "STATUS: ");
break;
default:
sprintf((pbuf+strlen(pbuf)), "ERROR: PD=0x41 MSG=0x%02x, ", buf[i]);
break;
}
}
else
{
sprintf((pbuf+strlen(pbuf)), "ERROR: PD=0x%02x MSG=0x%02x, ", pd, buf[i]);
}
/* other information elements */
i++;
for (; i < n;)
{
sprintf((pbuf+strlen(pbuf)), "\n ");
if(buf[i] & 0x80)
{
/* single octett info element */
switch(buf[i] & 0x70)
{
case 0x00: /* reserved */
sprintf((pbuf+strlen(pbuf)), "[reserved single octett info]");
break;
case 0x10: /* shift */
oldcodeset = codeset;
codeset = buf[i] & 0x07;
if(buf[i] & 0x08)
codelock = 0;
else
codelock = 1;
sprintf((pbuf+strlen(pbuf)), "[shift: codeset=%d lock=%d]", codeset, codelock);
break;
case 0x20: /* more data */
sprintf((pbuf+strlen(pbuf)), "[more data]");
break;
case 0x30: /* congestion level */
sprintf((pbuf+strlen(pbuf)), "[congestion level = %d]", buf[i] & 0x0f);
break;
default:
sprintf((pbuf+strlen(pbuf)), "[UNDEF SINGLE OCTET ELEMENT 0x%02x]", buf[i]);
break;
}
i++; /* next */
}
else
{
/* variable length info element */
if(codeset == 0)
{
switch(buf[i])
{
case 0x08:
sprintf((pbuf+strlen(pbuf)), "[cause: ");
i += p_1tr6cause(pbuf, &buf[i]);
goto next;
break;
case 0x0c:
sprintf((pbuf+strlen(pbuf)), "[connected address: ");
i += p_1tr6address(pbuf, &buf[i]);
goto next;
break;
case 0x10:
sprintf((pbuf+strlen(pbuf)), "[call identity: ");
break;
case 0x18:
sprintf((pbuf+strlen(pbuf)), "[channel id: channel=");
i += 2;
switch(buf[i] & 0x03)
{
case 0:
sprintf((pbuf+strlen(pbuf)), "no channel");
break;
case 1:
sprintf((pbuf+strlen(pbuf)), "B-1");
break;
case 2:
sprintf((pbuf+strlen(pbuf)), "B-2");
break;
case 3:
sprintf((pbuf+strlen(pbuf)), "any channel");
break;
}
if(buf[i] & 0x08)
sprintf((pbuf+strlen(pbuf)), " (exclusive)]");
else
sprintf((pbuf+strlen(pbuf)), " (preferred)]");
i++;
goto next;
break;
case 0x20:
sprintf((pbuf+strlen(pbuf)), "[network specific facilities: ");
i++;
len = buf[i];
i+=2;
switch(buf[i])
{
case 1:
sprintf((pbuf+strlen(pbuf)), "Sperre");
break;
case 2:
sprintf((pbuf+strlen(pbuf)), "AWS 1");
break;
case 3:
sprintf((pbuf+strlen(pbuf)), "AWS 2");
break;
case 0xe:
sprintf((pbuf+strlen(pbuf)), "Konferenz");
break;
case 0xf:
sprintf((pbuf+strlen(pbuf)), "B-Kan uebern.");
break;
case 0x10:
sprintf((pbuf+strlen(pbuf)), "aktvrg. ghlt. Vbdg.");
break;
case 0x11:
sprintf((pbuf+strlen(pbuf)), "3er Konf");
break;
case 0x12:
sprintf((pbuf+strlen(pbuf)), "1seitg D/G Wechsel");
break;
case 0x13:
sprintf((pbuf+strlen(pbuf)), "2seitig D/G Wechsel");
break;
case 0x14:
sprintf((pbuf+strlen(pbuf)), "Rufnr. identifiz.");
break;
case 0x15:
sprintf((pbuf+strlen(pbuf)), "GBG");
break;
case 0x17:
sprintf((pbuf+strlen(pbuf)), "ueberg. Ruf");
break;
case 0x1a:
sprintf((pbuf+strlen(pbuf)), "um/weitergel. Ruf");
break;
case 0x1b:
sprintf((pbuf+strlen(pbuf)), "unterdr. A-Rufnr.");
break;
case 0x1e:
sprintf((pbuf+strlen(pbuf)), "Verbdg. deaktivieren");
break;
case 0x1d:
sprintf((pbuf+strlen(pbuf)), "Verbdg. aktivieren");
break;
case 0x1f:
sprintf((pbuf+strlen(pbuf)), "SPV");
break;
case 0x23:
sprintf((pbuf+strlen(pbuf)), "Rueckw. 2seitg. DW");
break;
case 0x24:
sprintf((pbuf+strlen(pbuf)), "Anrufumltg. priv. Netz");
break;
default:
sprintf((pbuf+strlen(pbuf)), "undefined");
break;
}
i++;
sprintf((pbuf+strlen(pbuf)), ", serv=%d", buf[i]);
i++;
sprintf((pbuf+strlen(pbuf)), ", ainfo=%d", buf[i]);
i++;
len-=4;
for(j = 0; j < len; j++)
{
sprintf((pbuf+strlen(pbuf))," 0x%02x", buf[j+i]);
}
sprintf((pbuf+strlen(pbuf)),"]");
i += j;
goto next;
break;
case 0x28:
sprintf((pbuf+strlen(pbuf)), "[display: ");
break;
case 0x2c:
sprintf((pbuf+strlen(pbuf)), "[keypad: ");
break;
case 0x6c:
sprintf((pbuf+strlen(pbuf)), "[origination address: ");
i += p_1tr6address(pbuf, &buf[i]);
goto next;
break;
case 0x70:
sprintf((pbuf+strlen(pbuf)), "[destination address: ");
i += p_1tr6address(pbuf, &buf[i]);
goto next;
break;
case 0x7e:
sprintf((pbuf+strlen(pbuf)), "[user-user information: ");
break;
case 0x7f:
sprintf((pbuf+strlen(pbuf)), "[reserved: ");
break;
default:
sprintf((pbuf+strlen(pbuf)), "[UNKNOWN INFO-ELEMENT-ID");
break;
}
}
else if(codeset == 6)
{
switch(buf[i])
{
case 0x01:
sprintf((pbuf+strlen(pbuf)), "[service ind: serv=");
i+= 2;
switch(buf[i])
{
case 0x01:
sprintf((pbuf+strlen(pbuf)), "phone");
break;
case 0x02:
sprintf((pbuf+strlen(pbuf)), "a/b");
break;
case 0x03:
sprintf((pbuf+strlen(pbuf)), "X.21");
break;
case 0x04:
sprintf((pbuf+strlen(pbuf)), "fax g4");
break;
case 0x05:
sprintf((pbuf+strlen(pbuf)), "btx");
break;
case 0x07:
sprintf((pbuf+strlen(pbuf)), "64k data");
break;
case 0x08:
sprintf((pbuf+strlen(pbuf)), "X.25");
break;
case 0x09:
sprintf((pbuf+strlen(pbuf)), "teletex");
break;
case 0x0a:
sprintf((pbuf+strlen(pbuf)), "mixed");
break;
case 0x0d:
sprintf((pbuf+strlen(pbuf)), "temex");
break;
case 0x0e:
sprintf((pbuf+strlen(pbuf)), "picturephone");
break;
case 0x0f:
sprintf((pbuf+strlen(pbuf)), "btx (new)");
break;
case 0x10:
sprintf((pbuf+strlen(pbuf)), "videophone");
break;
default:
sprintf((pbuf+strlen(pbuf)), "undefined");
break;
}
i++;
sprintf((pbuf+strlen(pbuf)), ", ainfo=0x%02x]", buf[i]);
i++;
goto next;
break;
case 0x02:
sprintf((pbuf+strlen(pbuf)), "[charging information: ");
break;
case 0x03:
sprintf((pbuf+strlen(pbuf)), "[date: ");
i++;
len = buf[i];
i++;
for(j = 0; j < len; j++)
{
sprintf((pbuf+strlen(pbuf)),"%c", buf[j+i]);
}
sprintf((pbuf+strlen(pbuf)),"]");
i += j;
goto next;
break;
case 0x05:
sprintf((pbuf+strlen(pbuf)), "[facility select: ");
break;
case 0x06:
sprintf((pbuf+strlen(pbuf)), "[status of facilities: ");
break;
case 0x07:
sprintf((pbuf+strlen(pbuf)), "[status of called party: ");
i+=2;
switch(buf[i])
{
case 1:
sprintf((pbuf+strlen(pbuf)), "no information]");
break;
case 2:
sprintf((pbuf+strlen(pbuf)), "is being called]");
break;
default:
sprintf((pbuf+strlen(pbuf)), "undefined (0x%02x)]", buf[i]);
break;
}
i++;
goto next;
break;
case 0x08:
sprintf((pbuf+strlen(pbuf)), "[additional tx attributes: ");
i++;
len = buf[i];
i++;
for(j = 0; j < len; j++)
{
switch(buf[j+i] &0x70)
{
case 0:
sprintf((pbuf+strlen(pbuf)), "no satellite link");
break;
case 1:
sprintf((pbuf+strlen(pbuf)), "one satellite link");
break;
case 2:
sprintf((pbuf+strlen(pbuf)), "two satellite links");
break;
case 3:
sprintf((pbuf+strlen(pbuf)), "three satellite links");
break;
default:
sprintf((pbuf+strlen(pbuf)), "undefined value");
break;
}
if(buf[j+i] & 0x80)
sprintf((pbuf+strlen(pbuf)),"(flag=req)]");
else
sprintf((pbuf+strlen(pbuf)),"(flag=ind)]");
}
i += j;
goto next;
break;
default:
sprintf((pbuf+strlen(pbuf)), "[UNKNOWN INFO-ELEMENT-ID");
break;
}
}
else
{
sprintf((pbuf+strlen(pbuf)), "[ILLEGAL CODESET = 0x%02x", codeset);
}
i++; /* index -> length */
len = buf[i];
i++; /* index -> 1st param */
for(j = 0; j < len; j++)
{
sprintf((pbuf+strlen(pbuf))," 0x%02x", buf[j+i]);
}
sprintf((pbuf+strlen(pbuf)),"]");
i += len;
next:
if(!codelock && (codeset != oldcodeset))
codeset = oldcodeset;
}
}
sprintf((pbuf+strlen(pbuf)),"\n");
}
/*---------------------------------------------------------------------------*
* decode and print the cause
*---------------------------------------------------------------------------*/
static int
p_1tr6cause(char *pbuf, unsigned char buf[])
{
int j;
int len;
int i = 0;
i++; /* index -> length */
len = buf[i];
switch(len)
{
case 0:
sprintf((pbuf+strlen(pbuf)), "%s", print_cause_1tr6(0));
break;
case 1:
i++;
sprintf((pbuf+strlen(pbuf)), "%s", print_cause_1tr6(buf[i] & 0x7f));
break;
case 2:
i++;
sprintf((pbuf+strlen(pbuf)), "%s, location: ", print_cause_1tr6(buf[i] & 0x7f));
i++;
switch(buf[i] & 0x0f)
{
case 0x04:
sprintf((pbuf+strlen(pbuf)), "public network");
break;
case 0x05:
sprintf((pbuf+strlen(pbuf)), "private network");
break;
case 0x0f:
sprintf((pbuf+strlen(pbuf)), "no information");
break;
default:
sprintf((pbuf+strlen(pbuf)), "reserved (0x%02x)", buf[i] & 0x0f);
break;
}
break;
default:
i++; /* index -> length */
len = buf[i];
i++; /* index -> 1st param */
for(j = 0; j < len; j++)
{
sprintf((pbuf+strlen(pbuf))," 0x%02x", buf[j+i]);
}
break;
}
i++;
sprintf((pbuf+strlen(pbuf)),"]");
return(i);
}
/*---------------------------------------------------------------------------*
* decode and print the ISDN (telephone) number
*---------------------------------------------------------------------------*/
static int
p_1tr6address(char *pbuf, unsigned char buf[])
{
int j;
int len;
int i = 0;
int tp;
i++; /* index -> length */
len = buf[i];
i++; /* index -> 1st param */
tp = buf[i];
i++;
len--;
for(j = 0; j < len; j++)
{
sprintf((pbuf+strlen(pbuf)),"%c", buf[j+i]);
}
switch((tp & 0x70) >> 4)
{
case 0:
sprintf((pbuf+strlen(pbuf)), " (type=unknown, ");
break;
case 1:
sprintf((pbuf+strlen(pbuf)), " (type=international, ");
break;
case 2:
sprintf((pbuf+strlen(pbuf)), " (type=national, ");
break;
default:
sprintf((pbuf+strlen(pbuf)), " (type=%d, ", ((tp & 0x70) >> 4));
break;
}
switch(tp & 0x0f)
{
case 0:
sprintf((pbuf+strlen(pbuf)), "plan=unknown)");
break;
case 1:
sprintf((pbuf+strlen(pbuf)), "plan=ISDN)");
break;
default:
sprintf((pbuf+strlen(pbuf)), "plan=%d)", (tp & 0x0f));
break;
}
sprintf((pbuf+strlen(pbuf)),"]");
i += j;
return(i);
}
/* EOF */
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