698 lines
15 KiB
C
698 lines
15 KiB
C
/*
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* Copyright (c) 1997, 1999 Hellmuth Michaelis. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*---------------------------------------------------------------------------
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*
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* q931_util.c - utility functions to print Q.931 traces
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* -----------------------------------------------------
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*
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* $FreeBSD$
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*
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* last edit-date: [Sun Feb 14 10:23:10 1999]
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*
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*---------------------------------------------------------------------------*/
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#include "trace.h"
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/*---------------------------------------------------------------------------*
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* decode and print the cause
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*---------------------------------------------------------------------------*/
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int
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p_q931cause(char *pbuf, unsigned char *buf)
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{
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int j;
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int len;
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int i = 0;
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int ls;
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int r = 0;
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int rflag = 0;
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i++; /* index -> length */
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len = buf[i];
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i++; /* coding/location */
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len--;
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ls = buf[i];
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i++;
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len--;
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if(!(buf[i-1] & 0x80))
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{
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r = buf[i];
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rflag = 1;
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i++;
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len--;
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}
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sprintf((pbuf+strlen(pbuf)), "%s ", print_cause_q850(buf[i] & 0x7f));
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sprintf((pbuf+strlen(pbuf)), "\n (location=");
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switch(ls & 0x0f)
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{
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case 0x00:
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sprintf((pbuf+strlen(pbuf)), "user");
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break;
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case 0x01:
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sprintf((pbuf+strlen(pbuf)), "private network serving local user");
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break;
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case 0x02:
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sprintf((pbuf+strlen(pbuf)), "public network serving local user");
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break;
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case 0x03:
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sprintf((pbuf+strlen(pbuf)), "transit network");
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break;
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case 0x04:
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sprintf((pbuf+strlen(pbuf)), "public network serving remote user");
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break;
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case 0x05:
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sprintf((pbuf+strlen(pbuf)), "private network serving remote user");
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break;
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case 0x07:
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sprintf((pbuf+strlen(pbuf)), "international network");
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break;
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case 0x0a:
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sprintf((pbuf+strlen(pbuf)), "network beyond interworking point");
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break;
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default:
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sprintf((pbuf+strlen(pbuf)), "reserved (0x%02x)", ls & 0x0f);
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break;
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}
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sprintf((pbuf+strlen(pbuf)), ", std=");
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switch((ls & 0x60) >> 5)
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{
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case 0:
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sprintf((pbuf+strlen(pbuf)), "CCITT");
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break;
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case 1:
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sprintf((pbuf+strlen(pbuf)), "ISO/IEC");
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break;
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case 2:
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sprintf((pbuf+strlen(pbuf)), "National");
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break;
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case 3:
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sprintf((pbuf+strlen(pbuf)), "Local");
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break;
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}
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if(rflag)
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{
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sprintf((pbuf+strlen(pbuf)), ", rec=");
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switch(r & 0x7f)
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{
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case 0:
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sprintf((pbuf+strlen(pbuf)), "Q.931");
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break;
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case 3:
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sprintf((pbuf+strlen(pbuf)), "X.21");
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break;
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case 4:
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sprintf((pbuf+strlen(pbuf)), "X.25");
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break;
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case 5:
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sprintf((pbuf+strlen(pbuf)), "Q.1031/Q.1051");
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break;
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default:
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sprintf((pbuf+strlen(pbuf)), "Reserved");
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break;
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}
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}
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sprintf((pbuf+strlen(pbuf)),")");
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i++;
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len--;
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for(j = 0; j < len; j++)
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sprintf((pbuf+strlen(pbuf))," 0x%02x", buf[j+i]);
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sprintf((pbuf+strlen(pbuf)),"]");
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i += (len+1);
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return(i);
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}
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/*---------------------------------------------------------------------------*
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* decode and print the bearer capability
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*---------------------------------------------------------------------------*/
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int
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p_q931bc(char *pbuf, unsigned char *buf)
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{
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int len;
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int i = 0;
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int mr = 0;
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i++; /* index -> length */
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len = buf[i];
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i++;
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sprintf((pbuf+strlen(pbuf)), "\n cap=");
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switch(buf[i] & 0x1f)
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{
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case 0x00:
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sprintf((pbuf+strlen(pbuf)), "speech");
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break;
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case 0x08:
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sprintf((pbuf+strlen(pbuf)), "unrestricted digital information");
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break;
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case 0x09:
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sprintf((pbuf+strlen(pbuf)), "restricted digital information");
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break;
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case 0x10:
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sprintf((pbuf+strlen(pbuf)), "3.1 kHz audio");
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break;
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case 0x11:
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sprintf((pbuf+strlen(pbuf)), "unrestricted digital information with tones");
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break;
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case 0x18:
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sprintf((pbuf+strlen(pbuf)), "video");
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break;
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default:
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sprintf((pbuf+strlen(pbuf)), "reserved (0x%02x)", buf[i] & 0x0f);
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break;
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}
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sprintf((pbuf+strlen(pbuf)), "\n std=");
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switch((buf[i] & 0x60) >> 5)
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{
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case 0:
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sprintf((pbuf+strlen(pbuf)), "CCITT");
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break;
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case 1:
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sprintf((pbuf+strlen(pbuf)), "ISO/IEC");
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break;
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case 2:
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sprintf((pbuf+strlen(pbuf)), "National");
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break;
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case 3:
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sprintf((pbuf+strlen(pbuf)), "NSI Std");
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break;
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}
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i++;
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len--;
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sprintf((pbuf+strlen(pbuf)), "\n rate=");
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switch(buf[i] & 0x1f)
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{
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case 0x00:
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sprintf((pbuf+strlen(pbuf)), "packet mode");
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break;
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case 0x10:
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sprintf((pbuf+strlen(pbuf)), "64 kbit/s");
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break;
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case 0x11:
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sprintf((pbuf+strlen(pbuf)), "2 x 64 kbit/s");
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break;
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case 0x13:
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sprintf((pbuf+strlen(pbuf)), "384 kbit/s");
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break;
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case 0x15:
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sprintf((pbuf+strlen(pbuf)), "1536 kbit/s");
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break;
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case 0x17:
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sprintf((pbuf+strlen(pbuf)), "1920 kbit/s");
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break;
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case 0x18:
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sprintf((pbuf+strlen(pbuf)), "Multirate");
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mr = 1;
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break;
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default:
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sprintf((pbuf+strlen(pbuf)), "reserved (0x%02x)", buf[i] & 0x0f);
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break;
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}
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sprintf((pbuf+strlen(pbuf)), "\n mode=");
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switch((buf[i] & 0x60) >> 5)
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{
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case 0:
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sprintf((pbuf+strlen(pbuf)), "circuit");
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break;
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case 2:
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sprintf((pbuf+strlen(pbuf)), "packet");
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break;
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default:
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sprintf((pbuf+strlen(pbuf)), "reserved (0x%02x)", ((buf[i] & 0x60) >> 5));
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break;
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}
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i++;
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len--;
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if(!len)
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goto exit;
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if(mr)
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{
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sprintf((pbuf+strlen(pbuf)), "\n rate multiplier=%d", buf[i] & 0x7f);
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i++;
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len--;
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}
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if(!len)
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goto exit;
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sprintf((pbuf+strlen(pbuf)), "\n layer1=");
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switch(buf[i] & 0x1f)
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{
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case 0x01:
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sprintf((pbuf+strlen(pbuf)), "V.110");
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break;
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case 0x02:
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sprintf((pbuf+strlen(pbuf)), "G.711 u-law");
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break;
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case 0x03:
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sprintf((pbuf+strlen(pbuf)), "G.711 A-law");
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break;
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case 0x04:
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sprintf((pbuf+strlen(pbuf)), "G.721");
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break;
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case 0x05:
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sprintf((pbuf+strlen(pbuf)), "H.221/H.242");
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break;
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case 0x07:
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sprintf((pbuf+strlen(pbuf)), "Non-Std");
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break;
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case 0x08:
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sprintf((pbuf+strlen(pbuf)), "V.120");
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break;
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case 0x09:
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sprintf((pbuf+strlen(pbuf)), "X.31");
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break;
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default:
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sprintf((pbuf+strlen(pbuf)), "reserved (0x%02x)", buf[i] & 0x0f);
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break;
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}
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i++;
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len--;
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if(!len)
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goto exit;
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if(!(buf[i-1] & 0x80))
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{
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sprintf((pbuf+strlen(pbuf)), "\n user rate=0x%02x ", buf[i] & 0x1f);
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if(buf[i] & 0x40)
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sprintf((pbuf+strlen(pbuf)), "(async,");
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else
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sprintf((pbuf+strlen(pbuf)), "(sync,");
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if(buf[i] & 0x20)
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sprintf((pbuf+strlen(pbuf)), "in-band neg. possible)");
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else
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sprintf((pbuf+strlen(pbuf)), "in-band neg not possible)");
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i++;
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len--;
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}
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if(!len)
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goto exit;
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if(!(buf[i-1] & 0x80))
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{
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sprintf((pbuf+strlen(pbuf)), "\n clk/flow=0x%02x", buf[i] & 0x1f);
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sprintf((pbuf+strlen(pbuf)), "\n intermediate rate=");
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switch((buf[i] & 0x60) >> 5)
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{
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case 0:
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sprintf((pbuf+strlen(pbuf)), "not used");
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break;
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case 1:
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sprintf((pbuf+strlen(pbuf)), "8 kbit/s");
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break;
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case 2:
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sprintf((pbuf+strlen(pbuf)), "16 kbit/s");
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break;
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case 3:
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sprintf((pbuf+strlen(pbuf)), "32 kbit/s");
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break;
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}
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i++;
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len--;
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}
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if(!len)
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goto exit;
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if(!(buf[i-1] & 0x80))
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{
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sprintf((pbuf+strlen(pbuf)), "\n hdr/mfrm/etc.=0x%02x", buf[i]);
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i++;
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len--;
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}
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if(!len)
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goto exit;
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if(!(buf[i-1] & 0x80))
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{
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sprintf((pbuf+strlen(pbuf)), "\n stop/data/parity=0x%02x", buf[i]);
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i++;
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len--;
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}
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if(!len)
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goto exit;
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if(!(buf[i-1] & 0x80))
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{
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sprintf((pbuf+strlen(pbuf)), "\n modemtype=0x%02x", buf[i]);
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i++;
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len--;
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}
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if(!len)
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goto exit;
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switch(buf[i] & 0x7f)
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{
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case 0x42:
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sprintf((pbuf+strlen(pbuf)), "\n layer2=Q.921/I.441");
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break;
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case 0x46:
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sprintf((pbuf+strlen(pbuf)), "\n layer2=X.25 link");
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break;
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default:
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sprintf((pbuf+strlen(pbuf)), "\n layer2=0x%02x",(buf[i] & 0x7f));
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break;
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}
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i++;
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len--;
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if(!len)
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goto exit;
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switch(buf[i] & 0x7f)
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{
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case 0x62:
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sprintf((pbuf+strlen(pbuf)), "\n layer3=Q.921/I.441");
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break;
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case 0x66:
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sprintf((pbuf+strlen(pbuf)), "\n layer3=X.25 packet");
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break;
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default:
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sprintf((pbuf+strlen(pbuf)), "\n layer3=0x%02x",(buf[i] & 0x7f));
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break;
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}
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i++;
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len--;
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exit:
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sprintf((pbuf+strlen(pbuf)), "]");
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return(i);
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}
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/*---------------------------------------------------------------------------*
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* decode and print the ISDN (telephone) number
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*---------------------------------------------------------------------------*/
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int
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p_q931address(char *pbuf, unsigned char *buf)
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{
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int j;
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int len;
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int i = 0;
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int tp;
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int ind = 0;
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int indflag = 0;
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i++; /* index -> length */
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len = buf[i];
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i++; /* index -> type/plan */
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tp = buf[i];
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i++;
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len--;
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if(!(tp & 0x80))
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{
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ind = buf[i];
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indflag = 1;
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i++;
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len--;
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}
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for(j = 0; j < len; j++)
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{
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sprintf((pbuf+strlen(pbuf)),"%c", buf[j+i]);
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}
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switch((tp & 0x70) >> 4)
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{
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case 0:
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sprintf((pbuf+strlen(pbuf)), " (type=unknown, ");
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break;
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case 1:
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sprintf((pbuf+strlen(pbuf)), " (type=international, ");
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break;
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case 2:
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sprintf((pbuf+strlen(pbuf)), " (type=national, ");
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break;
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case 3:
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sprintf((pbuf+strlen(pbuf)), " (type=network specific, ");
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break;
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case 4:
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sprintf((pbuf+strlen(pbuf)), " (type=subscriber, ");
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break;
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case 6:
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sprintf((pbuf+strlen(pbuf)), " (type=abbreviated, ");
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break;
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default:
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sprintf((pbuf+strlen(pbuf)), " (type=reserved (%d), ", ((tp & 0x70) >> 4));
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break;
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}
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switch(tp & 0x0f)
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{
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case 0:
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sprintf((pbuf+strlen(pbuf)), "plan=unknown");
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break;
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case 1:
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sprintf((pbuf+strlen(pbuf)), "plan=ISDN");
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break;
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case 3:
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sprintf((pbuf+strlen(pbuf)), "plan=Data");
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break;
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case 4:
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sprintf((pbuf+strlen(pbuf)), "plan=Telex");
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break;
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case 8:
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sprintf((pbuf+strlen(pbuf)), "plan=National");
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break;
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case 9:
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sprintf((pbuf+strlen(pbuf)), "plan=private");
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break;
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default:
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sprintf((pbuf+strlen(pbuf)), "plan=reserved (%d)", (tp & 0x0f));
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break;
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}
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if(indflag)
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{
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sprintf((pbuf+strlen(pbuf)), ",\n ");
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switch((ind & 0x60) >> 5)
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{
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case 0:
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sprintf((pbuf+strlen(pbuf)), "presentation allowed, ");
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break;
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case 1:
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sprintf((pbuf+strlen(pbuf)), "presentation restricted, ");
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break;
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case 2:
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sprintf((pbuf+strlen(pbuf)), "number not available, ");
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break;
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case 3:
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sprintf((pbuf+strlen(pbuf)), "reserved, ");
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break;
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}
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switch(ind & 0x03)
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{
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case 0:
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sprintf((pbuf+strlen(pbuf)), "screening user provided: not screened");
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break;
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case 1:
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sprintf((pbuf+strlen(pbuf)), "screening user provided: verified & passed");
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break;
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case 2:
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sprintf((pbuf+strlen(pbuf)), "screening user provided: verified & failed");
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break;
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case 3:
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sprintf((pbuf+strlen(pbuf)), "screening network provided");
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break;
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}
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}
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sprintf((pbuf+strlen(pbuf)),")]");
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i += j;
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|
return(i);
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------*
|
|
* decode and print HL comatibility
|
|
*---------------------------------------------------------------------------*/
|
|
int
|
|
p_q931high_compat(char *pbuf, unsigned char *buf)
|
|
{
|
|
int len = buf[1];
|
|
|
|
sprintf(pbuf+strlen(pbuf), " standard=");
|
|
|
|
switch ((buf[2] >> 5) & 0x03)
|
|
{
|
|
case 0: sprintf(pbuf+strlen(pbuf), "CCITT");
|
|
break;
|
|
case 1: sprintf(pbuf+strlen(pbuf), "unknown international standard");
|
|
break;
|
|
case 2: sprintf(pbuf+strlen(pbuf), "unknown national standard");
|
|
break;
|
|
case 3: sprintf(pbuf+strlen(pbuf), "local network standard");
|
|
}
|
|
|
|
len--;
|
|
|
|
sprintf(pbuf+strlen(pbuf), ", characteristics=");
|
|
|
|
switch (buf[3] & 0x7f)
|
|
{
|
|
case 0x01:
|
|
sprintf(pbuf+strlen(pbuf), "Telephony");
|
|
break;
|
|
case 0x04:
|
|
sprintf(pbuf+strlen(pbuf), "Fax Group 2/3");
|
|
break;
|
|
case 0x21:
|
|
sprintf(pbuf+strlen(pbuf), "Fax Group 4 Class I (F.184)");
|
|
break;
|
|
case 0x24:
|
|
sprintf(pbuf+strlen(pbuf), "Teletex basic/mixed (F.230) or Fax Group 4 Class II/III (F.184)");
|
|
break;
|
|
case 0x28:
|
|
sprintf(pbuf+strlen(pbuf), "Teletex basic/processable (F.220)");
|
|
break;
|
|
case 0x31:
|
|
sprintf(pbuf+strlen(pbuf), "Teletex basic mode (F.200)");
|
|
break;
|
|
case 0x32:
|
|
sprintf(pbuf+strlen(pbuf), "Videotex (F.300 and T.101)");
|
|
break;
|
|
case 0x35:
|
|
sprintf(pbuf+strlen(pbuf), "Telex (F.60)");
|
|
break;
|
|
case 0x38:
|
|
sprintf(pbuf+strlen(pbuf), "MHS (X.400 series)");
|
|
break;
|
|
case 0x41:
|
|
sprintf(pbuf+strlen(pbuf), "OSI application (X.200 series)");
|
|
break;
|
|
case 0x5e:
|
|
sprintf(pbuf+strlen(pbuf), "Maintenance");
|
|
break;
|
|
case 0x5f:
|
|
sprintf(pbuf+strlen(pbuf), "Management");
|
|
break;
|
|
case 0x7f:
|
|
sprintf(pbuf+strlen(pbuf), "reserved");
|
|
break;
|
|
default:
|
|
sprintf(pbuf+strlen(pbuf), "UNKNOWN (0x%02x)", buf[3]);
|
|
break;
|
|
}
|
|
|
|
len--;
|
|
|
|
if (!len)
|
|
{
|
|
sprintf(pbuf+strlen(pbuf), "]");
|
|
return 4;
|
|
}
|
|
|
|
sprintf(pbuf+strlen(pbuf), " of ");
|
|
|
|
switch (buf[4] & 0x7f)
|
|
{
|
|
case 0x01:
|
|
sprintf(pbuf+strlen(pbuf), "Telephony");
|
|
break;
|
|
case 0x04:
|
|
sprintf(pbuf+strlen(pbuf), "Fax Group 2/3");
|
|
break;
|
|
case 0x21:
|
|
sprintf(pbuf+strlen(pbuf), "Fax Group 4 Class I (F.184)");
|
|
break;
|
|
case 0x24:
|
|
sprintf(pbuf+strlen(pbuf), "Teletex basic/mixed (F.230) or Fax Group 4 Class II/III (F.184)");
|
|
break;
|
|
case 0x28:
|
|
sprintf(pbuf+strlen(pbuf), "Teletex basic/processable (F.220)");
|
|
break;
|
|
case 0x31:
|
|
sprintf(pbuf+strlen(pbuf), "Teletex basic mode (F.200)");
|
|
break;
|
|
case 0x32:
|
|
sprintf(pbuf+strlen(pbuf), "Videotex (F.300 and T.101)");
|
|
break;
|
|
case 0x35:
|
|
sprintf(pbuf+strlen(pbuf), "Telex (F.60)");
|
|
break;
|
|
case 0x38:
|
|
sprintf(pbuf+strlen(pbuf), "MHS (X.400 series)");
|
|
break;
|
|
case 0x41:
|
|
sprintf(pbuf+strlen(pbuf), "OSI application (X.200 series)");
|
|
break;
|
|
case 0x7f:
|
|
sprintf(pbuf+strlen(pbuf), "reserved");
|
|
break;
|
|
default:
|
|
sprintf(pbuf+strlen(pbuf), "UNKNOWN (0x%02x)", buf[3]);
|
|
break;
|
|
}
|
|
sprintf(pbuf+strlen(pbuf), "]");
|
|
return 5;
|
|
}
|
|
|
|
/* EOF */
|
|
|