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https://git.hardenedbsd.org/hardenedbsd/HardenedBSD.git
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793 lines
20 KiB
C
793 lines
20 KiB
C
/*
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* Copyright (c) 1997, 2000 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.c - print Q.931 traces
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* ---------------------------
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*
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* $Id: q931.c,v 1.10 2000/02/14 16:25:22 hm Exp $
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*
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* $FreeBSD$
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*
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* last edit-date: [Mon Feb 14 14:51:13 2000]
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*
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*---------------------------------------------------------------------------*/
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#include "trace.h"
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/*---------------------------------------------------------------------------*
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* decode Q.931 protocol
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*---------------------------------------------------------------------------*/
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void
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decode_q931(char *pbuf, int n, int off, unsigned char *buf, int raw)
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{
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int codeset = 0;
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int codelock = 0;
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int oldcodeset = 0;
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int pd;
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int len;
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int j;
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int i;
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if(n <= 0)
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return;
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*pbuf = '\0';
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if(raw)
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{
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for (i = 0; i < n; i += 16)
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{
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sprintf((pbuf+strlen(pbuf)),"Dump:%.3d ", i+off);
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for (j = 0; j < 16; j++)
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if (i + j < n)
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sprintf((pbuf+strlen(pbuf)),"%02x ", buf[i + j]);
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else
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sprintf((pbuf+strlen(pbuf))," ");
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sprintf((pbuf+strlen(pbuf))," ");
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for (j = 0; j < 16 && i + j < n; j++)
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if (isprint(buf[i + j]))
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sprintf((pbuf+strlen(pbuf)),"%c", buf[i + j]);
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else
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sprintf((pbuf+strlen(pbuf)),".");
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sprintf((pbuf+strlen(pbuf)),"\n");
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}
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}
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i = 0;
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sprintf((pbuf+strlen(pbuf)), "Q931: ");
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/* protocol discriminator */
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pd = buf[i];
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if(pd >= 0x00 && pd <= 0x07)
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sprintf((pbuf+strlen(pbuf)), "pd=User-User (0x%02x)\n",pd);
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else if(pd == 0x08)
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sprintf((pbuf+strlen(pbuf)), "pd=Q.931/I.451, ");
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else if(pd >= 0x10 && pd <= 0x3f)
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sprintf((pbuf+strlen(pbuf)), "pd=Other Layer 3 or X.25 (0x%02x)\n",pd);
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else if(pd >= 0x40 && pd <= 0x4f)
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sprintf((pbuf+strlen(pbuf)), "pd=National Use (0x%02x)\n",pd);
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else if(pd >= 0x50 && pd <= 0xfe)
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sprintf((pbuf+strlen(pbuf)), "pd=Other Layer 3 or X.25 (0x%02x)\n",pd);
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else
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sprintf((pbuf+strlen(pbuf)), "pd=Reserved (0x%02x)\n",pd);
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/* call reference */
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i++;
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len = buf[i] & 0x0f;
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switch(len)
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{
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case 0:
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sprintf((pbuf+strlen(pbuf)), "cr=Dummy, ");
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break;
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case 1:
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sprintf((pbuf+strlen(pbuf)), "cr=0x%02x %s, ", (buf[i+1] & 0x7f), (buf[i+1] & 0x80) ? "(from destination)" : "(from origination)");
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break;
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case 2:
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sprintf((pbuf+strlen(pbuf)), "cr=0x%02x 0x%02x %s, ", (buf[i+1] & 0x7f), (buf[i+2] & 0x7f), (buf[i+1] & 0x80) ? "(org)" : "(dst)");
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break;
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}
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i += (len+1);
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/* message type */
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sprintf((pbuf+strlen(pbuf)), "message=");
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switch(buf[i])
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{
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/* escape to nationally specific message type */
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case 0x00:
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sprintf((pbuf+strlen(pbuf)), "ESCAPE: ");
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break;
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/* call establishment */
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case 0x01:
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sprintf((pbuf+strlen(pbuf)), "ALERTING: ");
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break;
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case 0x02:
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sprintf((pbuf+strlen(pbuf)), "CALL PROCEEDING: ");
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break;
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case 0x03:
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sprintf((pbuf+strlen(pbuf)), "PROGRESS: ");
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break;
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case 0x05:
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sprintf((pbuf+strlen(pbuf)), "SETUP: ");
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break;
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case 0x07:
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sprintf((pbuf+strlen(pbuf)), "CONNECT: ");
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break;
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case 0x0d:
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sprintf((pbuf+strlen(pbuf)), "SETUP ACKNOWLEDGE: ");
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break;
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case 0x0f:
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sprintf((pbuf+strlen(pbuf)), "CONNECT ACKNOWLEDGE: ");
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break;
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/* call information phase */
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case 0x20:
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sprintf((pbuf+strlen(pbuf)), "USER INFORMATION: ");
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break;
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case 0x21:
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sprintf((pbuf+strlen(pbuf)), "SUSPEND REJECT: ");
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break;
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case 0x22:
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sprintf((pbuf+strlen(pbuf)), "RESUME REJECT: ");
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break;
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case 0x24:
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sprintf((pbuf+strlen(pbuf)), "HOLD: ");
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break;
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case 0x25:
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sprintf((pbuf+strlen(pbuf)), "SUSPEND: ");
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break;
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case 0x26:
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sprintf((pbuf+strlen(pbuf)), "RESUME: ");
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break;
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case 0x28:
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sprintf((pbuf+strlen(pbuf)), "HOLD ACKNOWLEDGE: ");
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break;
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case 0x2d:
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sprintf((pbuf+strlen(pbuf)), "SUSPEND ACKNOWLEDGE: ");
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break;
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case 0x2e:
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sprintf((pbuf+strlen(pbuf)), "RESUME ACKNOWLEDGE: ");
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break;
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case 0x30:
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sprintf((pbuf+strlen(pbuf)), "HOLD REJECT (Q.932): ");
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break;
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case 0x31:
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sprintf((pbuf+strlen(pbuf)), "RETRIEVE (Q.932): ");
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break;
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case 0x32:
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sprintf((pbuf+strlen(pbuf)), "RETRIEVE ACKNOWLEDGE (Q.932): ");
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break;
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case 0x37:
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sprintf((pbuf+strlen(pbuf)), "RETRIEVE REJECT (Q.932): ");
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break;
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/* call clearing */
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case 0x40:
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sprintf((pbuf+strlen(pbuf)), "DETACH: ");
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break;
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case 0x45:
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sprintf((pbuf+strlen(pbuf)), "DISCONNECT: ");
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break;
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case 0x46:
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sprintf((pbuf+strlen(pbuf)), "RESTART: ");
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break;
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case 0x48:
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sprintf((pbuf+strlen(pbuf)), "DETACH ACKNOWLEDGE: ");
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break;
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case 0x4d:
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sprintf((pbuf+strlen(pbuf)), "RELEASE: ");
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break;
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case 0x4e:
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sprintf((pbuf+strlen(pbuf)), "RESTART ACKNOWLEDGE: ");
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break;
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case 0x5a:
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sprintf((pbuf+strlen(pbuf)), "RELEASE COMPLETE: ");
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break;
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/* misc messages */
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case 0x60:
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sprintf((pbuf+strlen(pbuf)), "SEGMENT: ");
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break;
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case 0x62:
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sprintf((pbuf+strlen(pbuf)), "FACILITY (Q.932): ");
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break;
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case 0x64:
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sprintf((pbuf+strlen(pbuf)), "REGISTER (Q.932): ");
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break;
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case 0x68:
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sprintf((pbuf+strlen(pbuf)), "CANCEL ACKNOWLEDGE: ");
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break;
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case 0x6a:
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sprintf((pbuf+strlen(pbuf)), "FACILITY ACKNOWLEDGE: ");
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break;
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case 0x6c:
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sprintf((pbuf+strlen(pbuf)), "REGISTER ACKNOWLEDGE: ");
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break;
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case 0x6e:
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sprintf((pbuf+strlen(pbuf)), "NOTIFY: ");
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break;
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case 0x70:
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sprintf((pbuf+strlen(pbuf)), "CANCEL REJECT: ");
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break;
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case 0x72:
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sprintf((pbuf+strlen(pbuf)), "FACILITY REJECT: ");
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break;
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case 0x74:
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sprintf((pbuf+strlen(pbuf)), "REGISTER REJECT: ");
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break;
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case 0x75:
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sprintf((pbuf+strlen(pbuf)), "STATUS ENQIRY: ");
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break;
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case 0x79:
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sprintf((pbuf+strlen(pbuf)), "CONGESTION CONTROL: ");
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break;
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case 0x7b:
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sprintf((pbuf+strlen(pbuf)), "INFORMATION: ");
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break;
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case 0x7d:
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sprintf((pbuf+strlen(pbuf)), "STATUS: ");
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break;
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default:
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sprintf((pbuf+strlen(pbuf)), "UNDEFINED, TYPE=0x%02x, ", buf[i]);
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break;
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}
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/* other information elements */
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i++;
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for (; i < n;)
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{
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sprintf((pbuf+strlen(pbuf)), "\n ");
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if(buf[i] & 0x80)
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{
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/* single octett info element */
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switch(buf[i] & 0x70)
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{
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case 0x00: /* reserved */
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sprintf((pbuf+strlen(pbuf)), "[reserved single octett info]");
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break;
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case 0x10: /* shift */
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oldcodeset = codeset;
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codeset = buf[i] & 0x07;
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if(buf[i] & 0x08)
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codelock = 0;
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else
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codelock = 1;
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sprintf((pbuf+strlen(pbuf)), "[shift: codeset=%d lock=%d]", codeset, codelock);
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break;
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case 0x20: /* more data */
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if(buf[i] & 0x01)
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sprintf((pbuf+strlen(pbuf)), "[sending complete]");
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else
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sprintf((pbuf+strlen(pbuf)), "[more data]");
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break;
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case 0x30: /* congestion level */
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sprintf((pbuf+strlen(pbuf)), "[congestion level=");
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switch(buf[i] & 0x0f)
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{
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case 0x00:
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sprintf((pbuf+strlen(pbuf)), "rx-ready]");
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break;
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case 0x0f:
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sprintf((pbuf+strlen(pbuf)), "rx-not-ready]");
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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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break;
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case 0x50: /* repeat ind */
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sprintf((pbuf+strlen(pbuf)), "[repeat indicator]");
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break;
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default:
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sprintf((pbuf+strlen(pbuf)), "[UNKNOWN SINGLE OCTET ELEMENT 0x%02x]", buf[i]);
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break;
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}
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i++; /* next */
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}
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else
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{
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/* variable length info element */
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if(codeset == 0)
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{
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switch(buf[i])
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{
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case 0x00:
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sprintf((pbuf+strlen(pbuf)), "[segmented message: ");
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break;
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case 0x04:
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sprintf((pbuf+strlen(pbuf)), "[bearer capability: ");
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i += p_q931bc(pbuf, &buf[i]);
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goto next;
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break;
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case 0x08:
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sprintf((pbuf+strlen(pbuf)), "[cause: ");
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i += p_q931cause(pbuf, &buf[i]);
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goto next;
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break;
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case 0x0c:
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sprintf((pbuf+strlen(pbuf)), "[connected address (old): ");
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break;
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case 0x0d:
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sprintf((pbuf+strlen(pbuf)), "[extended facility (Q.932: )");
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break;
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case 0x10:
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sprintf((pbuf+strlen(pbuf)), "[call identity: ");
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break;
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case 0x14:
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sprintf((pbuf+strlen(pbuf)), "[call state: ");
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i++;
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len = buf[i];
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i++;
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sprintf((pbuf+strlen(pbuf)), "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)), "Special");
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break;
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}
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sprintf((pbuf+strlen(pbuf)), ", State=");
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switch((buf[i] & 0x3f))
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{
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case 0:
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sprintf((pbuf+strlen(pbuf)), "Null");
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break;
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case 1:
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sprintf((pbuf+strlen(pbuf)), "Call initiated");
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break;
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case 2:
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sprintf((pbuf+strlen(pbuf)), "Overlap sending");
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break;
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case 3:
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sprintf((pbuf+strlen(pbuf)), "Outgoing call proceeding");
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break;
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case 4:
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sprintf((pbuf+strlen(pbuf)), "Call delivered");
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break;
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case 6:
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sprintf((pbuf+strlen(pbuf)), "Call present");
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break;
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case 7:
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sprintf((pbuf+strlen(pbuf)), "Call received");
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break;
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case 8:
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sprintf((pbuf+strlen(pbuf)), "Connect request");
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break;
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case 9:
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sprintf((pbuf+strlen(pbuf)), "Incoming call proceeding");
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break;
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case 10:
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sprintf((pbuf+strlen(pbuf)), "Active");
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break;
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case 11:
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sprintf((pbuf+strlen(pbuf)), "Disconnect request");
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break;
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case 12:
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sprintf((pbuf+strlen(pbuf)), "Disconnect indication");
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break;
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case 15:
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sprintf((pbuf+strlen(pbuf)), "Suspend request");
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break;
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case 17:
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sprintf((pbuf+strlen(pbuf)), "Resume request");
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break;
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case 19:
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sprintf((pbuf+strlen(pbuf)), "Release request");
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break;
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case 22:
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sprintf((pbuf+strlen(pbuf)), "Call abort");
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break;
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case 25:
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sprintf((pbuf+strlen(pbuf)), "Overlap receiving");
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break;
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case 0x3d:
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sprintf((pbuf+strlen(pbuf)), "Restart request");
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break;
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case 0x3e:
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sprintf((pbuf+strlen(pbuf)), "Restart");
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break;
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default:
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sprintf((pbuf+strlen(pbuf)), "ERROR: undefined/reserved");
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break;
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}
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sprintf((pbuf+strlen(pbuf)), "]");
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i++;
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goto next;
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break;
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case 0x18:
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sprintf((pbuf+strlen(pbuf)), "[channel id: channel=");
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i++;
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len = buf[i];
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i++;
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switch(buf[i] & 0x03)
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{
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case 0:
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sprintf((pbuf+strlen(pbuf)), "no channel");
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break;
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case 1:
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sprintf((pbuf+strlen(pbuf)), "B-1");
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break;
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case 2:
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sprintf((pbuf+strlen(pbuf)), "B-2");
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break;
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case 3:
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sprintf((pbuf+strlen(pbuf)), "any channel");
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break;
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}
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if(buf[i] & 0x08)
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sprintf((pbuf+strlen(pbuf)), " (exclusive)]");
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else
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sprintf((pbuf+strlen(pbuf)), " (preferred)]");
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i++;
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goto next;
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break;
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case 0x19:
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sprintf((pbuf+strlen(pbuf)), "[data link connection id (Q.933): ");
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break;
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case 0x1c:
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i += q932_facility(pbuf, &buf[i]);
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goto next;
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break;
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case 0x1e:
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sprintf((pbuf+strlen(pbuf)), "[progress ind: ");
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i++;
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len = buf[i];
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i++;
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sprintf((pbuf+strlen(pbuf)), "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)), "Local");
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break;
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}
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sprintf((pbuf+strlen(pbuf)), ", Loc=");
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|
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switch((buf[i] & 0x0f))
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{
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case 0:
|
|
sprintf((pbuf+strlen(pbuf)), "User");
|
|
break;
|
|
case 1:
|
|
sprintf((pbuf+strlen(pbuf)), "Private network serving local user");
|
|
break;
|
|
case 2:
|
|
sprintf((pbuf+strlen(pbuf)), "Public network serving local user");
|
|
break;
|
|
case 3:
|
|
sprintf((pbuf+strlen(pbuf)), "Transit network");
|
|
break;
|
|
case 4:
|
|
sprintf((pbuf+strlen(pbuf)), "Public network serving remote user");
|
|
break;
|
|
case 5:
|
|
sprintf((pbuf+strlen(pbuf)), "Private network serving remote user");
|
|
break;
|
|
case 6:
|
|
sprintf((pbuf+strlen(pbuf)), "Network beyond interworking point");
|
|
break;
|
|
default:
|
|
sprintf((pbuf+strlen(pbuf)), "ERROR: undefined/reserved");
|
|
break;
|
|
}
|
|
|
|
i++;
|
|
|
|
sprintf((pbuf+strlen(pbuf)), "\n Description: ");
|
|
|
|
switch((buf[i] & 0x7f))
|
|
{
|
|
case 1:
|
|
sprintf((pbuf+strlen(pbuf)), "Call is not end-to-end ISDN");
|
|
break;
|
|
case 2:
|
|
sprintf((pbuf+strlen(pbuf)), "Destination address is non-ISDN");
|
|
break;
|
|
case 3:
|
|
sprintf((pbuf+strlen(pbuf)), "Origination address is non-ISDN");
|
|
break;
|
|
case 4:
|
|
sprintf((pbuf+strlen(pbuf)), "Call has returned to the ISDN");
|
|
break;
|
|
case 5:
|
|
sprintf((pbuf+strlen(pbuf)), "Interworking occured, Service change");
|
|
break;
|
|
case 8:
|
|
sprintf((pbuf+strlen(pbuf)), "In-band info or appropriate pattern now available");
|
|
break;
|
|
default:
|
|
sprintf((pbuf+strlen(pbuf)), "ERROR: undefined/reserved");
|
|
break;
|
|
}
|
|
sprintf((pbuf+strlen(pbuf)), "]");
|
|
i++;
|
|
goto next;
|
|
break;
|
|
case 0x20:
|
|
sprintf((pbuf+strlen(pbuf)), "[network specific facilities: ");
|
|
break;
|
|
case 0x24:
|
|
sprintf((pbuf+strlen(pbuf)), "[terminal capabilities: ");
|
|
break;
|
|
case 0x27:
|
|
sprintf((pbuf+strlen(pbuf)), "[notification indicator: ");
|
|
i += p_q931notification(pbuf, &buf[i]);
|
|
goto next;
|
|
break;
|
|
case 0x28:
|
|
sprintf((pbuf+strlen(pbuf)), "[display: ");
|
|
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 0x29:
|
|
sprintf((pbuf+strlen(pbuf)), "[date/time: ");
|
|
i++;
|
|
len = buf[i];
|
|
i++;
|
|
j = 0;
|
|
sprintf((pbuf+strlen(pbuf)),"%.2d.%.2d.%.2d",
|
|
buf[i+2], buf[i+1], buf[i]);
|
|
j+=3;
|
|
if(j < len)
|
|
{
|
|
sprintf((pbuf+strlen(pbuf))," %.2d", buf[i+3]);
|
|
j++;
|
|
}
|
|
if(j < len)
|
|
{
|
|
sprintf((pbuf+strlen(pbuf)),":%.2d", buf[i+4]);
|
|
j++;
|
|
}
|
|
if(j < len)
|
|
{
|
|
sprintf((pbuf+strlen(pbuf)),":%.2d", buf[i+5]);
|
|
j++;
|
|
}
|
|
sprintf((pbuf+strlen(pbuf)),"]");
|
|
i += len;
|
|
goto next;
|
|
break;
|
|
case 0x2c:
|
|
sprintf((pbuf+strlen(pbuf)), "[keypad: ");
|
|
break;
|
|
case 0x30:
|
|
sprintf((pbuf+strlen(pbuf)), "[keypad echo: ");
|
|
break;
|
|
case 0x32:
|
|
sprintf((pbuf+strlen(pbuf)), "[information req (Q.932): ");
|
|
break;
|
|
case 0x34:
|
|
sprintf((pbuf+strlen(pbuf)), "[signal: ");
|
|
break;
|
|
case 0x36:
|
|
sprintf((pbuf+strlen(pbuf)), "[switchhook: ");
|
|
break;
|
|
case 0x38:
|
|
sprintf((pbuf+strlen(pbuf)), "[feature activation (Q.932): ");
|
|
break;
|
|
case 0x39:
|
|
sprintf((pbuf+strlen(pbuf)), "[feature ind (Q.932): ");
|
|
break;
|
|
case 0x3a:
|
|
sprintf((pbuf+strlen(pbuf)), "[service profile id (Q.932): ");
|
|
break;
|
|
case 0x3b:
|
|
sprintf((pbuf+strlen(pbuf)), "[endpoint id (Q.932): ");
|
|
break;
|
|
case 0x40:
|
|
sprintf((pbuf+strlen(pbuf)), "[information rate: ");
|
|
break;
|
|
case 0x41:
|
|
sprintf((pbuf+strlen(pbuf)), "[precedence level (Q.955): ");
|
|
break;
|
|
case 0x42:
|
|
sprintf((pbuf+strlen(pbuf)), "[end-to-end transit delay: ");
|
|
break;
|
|
case 0x43:
|
|
sprintf((pbuf+strlen(pbuf)), "[transit delay detection and indication: ");
|
|
break;
|
|
case 0x44:
|
|
sprintf((pbuf+strlen(pbuf)), "[packet layer binary parameters: ");
|
|
break;
|
|
case 0x45:
|
|
sprintf((pbuf+strlen(pbuf)), "[packet layer window size: ");
|
|
break;
|
|
case 0x46:
|
|
sprintf((pbuf+strlen(pbuf)), "[packet size: ");
|
|
break;
|
|
case 0x47:
|
|
sprintf((pbuf+strlen(pbuf)), "[closed user group: ");
|
|
break;
|
|
case 0x48:
|
|
sprintf((pbuf+strlen(pbuf)), "[link layer core parameters (Q.933): ");
|
|
break;
|
|
case 0x49:
|
|
sprintf((pbuf+strlen(pbuf)), "[link layer protocol parameters (Q.933): ");
|
|
break;
|
|
case 0x4a:
|
|
sprintf((pbuf+strlen(pbuf)), "[reverse charging information: ");
|
|
break;
|
|
case 0x4c:
|
|
sprintf((pbuf+strlen(pbuf)), "[connected number (Q.951): ");
|
|
i += p_q931address(pbuf, &buf[i]);
|
|
goto next;
|
|
break;
|
|
|
|
break;
|
|
case 0x4d:
|
|
sprintf((pbuf+strlen(pbuf)), "[connected subaddress (Q.951): ");
|
|
break;
|
|
case 0x50:
|
|
sprintf((pbuf+strlen(pbuf)), "[X.213 priority (Q.933): ");
|
|
break;
|
|
case 0x51:
|
|
sprintf((pbuf+strlen(pbuf)), "[report type (Q.933): ");
|
|
break;
|
|
case 0x53:
|
|
sprintf((pbuf+strlen(pbuf)), "[link integrity verification (Q.933): ");
|
|
break;
|
|
case 0x57:
|
|
sprintf((pbuf+strlen(pbuf)), "[PVC status (Q.933): ");
|
|
break;
|
|
case 0x6c:
|
|
sprintf((pbuf+strlen(pbuf)), "[calling party number: ");
|
|
i += p_q931address(pbuf, &buf[i]);
|
|
goto next;
|
|
break;
|
|
case 0x6d:
|
|
sprintf((pbuf+strlen(pbuf)), "[calling party subaddress: ");
|
|
break;
|
|
case 0x70:
|
|
sprintf((pbuf+strlen(pbuf)), "[called party number: ");
|
|
i += p_q931address(pbuf, &buf[i]);
|
|
goto next;
|
|
break;
|
|
case 0x71:
|
|
sprintf((pbuf+strlen(pbuf)), "[called party subaddress: ");
|
|
break;
|
|
case 0x74:
|
|
sprintf((pbuf+strlen(pbuf)), "[redirecting number: ");
|
|
i += p_q931redir(pbuf, &buf[i]);
|
|
goto next;
|
|
break;
|
|
case 0x76:
|
|
sprintf((pbuf+strlen(pbuf)), "[redirection number: ");
|
|
i += p_q931redir(pbuf, &buf[i]);
|
|
goto next;
|
|
break;
|
|
case 0x78:
|
|
sprintf((pbuf+strlen(pbuf)), "[transit network selection: ");
|
|
break;
|
|
case 0x79:
|
|
sprintf((pbuf+strlen(pbuf)), "[restart indicator: ");
|
|
break;
|
|
case 0x7c:
|
|
sprintf((pbuf+strlen(pbuf)), "[low layer compatibility: ");
|
|
break;
|
|
case 0x7d:
|
|
sprintf((pbuf+strlen(pbuf)), "[high layer compatibility:");
|
|
i += p_q931high_compat(pbuf, &buf[i]);
|
|
goto next;
|
|
break;
|
|
case 0x7e:
|
|
sprintf((pbuf+strlen(pbuf)), "[user-user: ");
|
|
i += p_q931user_user(pbuf, &buf[i]);
|
|
goto next;
|
|
break;
|
|
case 0x7f:
|
|
sprintf((pbuf+strlen(pbuf)), "[escape for extension: ");
|
|
break;
|
|
default:
|
|
sprintf((pbuf+strlen(pbuf)), "[UNKNOWN INFO-ELEMENT-ID=0x%02x: ", buf[i]);
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
sprintf((pbuf+strlen(pbuf)), "[UNKNOWN CODESET=%d, IE=0x%02x: ", codeset, buf[i]);
|
|
}
|
|
|
|
i++; /* index -> length */
|
|
|
|
len = buf[i];
|
|
|
|
sprintf((pbuf+strlen(pbuf)), "LEN=0x%02x, DATA=", len);
|
|
|
|
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");
|
|
}
|
|
|
|
/* EOF */
|
|
|