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Diffstat (limited to 'usr.sbin/i4b/isdntrace/q931.c')
-rw-r--r--usr.sbin/i4b/isdntrace/q931.c783
1 files changed, 783 insertions, 0 deletions
diff --git a/usr.sbin/i4b/isdntrace/q931.c b/usr.sbin/i4b/isdntrace/q931.c
new file mode 100644
index 0000000..3cc2a38
--- /dev/null
+++ b/usr.sbin/i4b/isdntrace/q931.c
@@ -0,0 +1,783 @@
+/*
+ * 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.
+ *
+ *---------------------------------------------------------------------------
+ *
+ * q931.c - print Q.931 traces
+ * ---------------------------
+ *
+ * $Id: q931.c,v 1.4 1998/12/05 18:04:19 hm Exp $
+ *
+ * last edit-date: [Sat Dec 5 18:20:31 1998]
+ *
+ *---------------------------------------------------------------------------*/
+
+#include "trace.h"
+
+/*---------------------------------------------------------------------------*
+ * decode Q.931 protocol
+ *---------------------------------------------------------------------------*/
+void
+decode_q931(char *pbuf, int n, int off, unsigned char *buf, int raw)
+{
+ int codeset = 0;
+ int codelock = 0;
+ int oldcodeset = 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");
+ }
+ }
+
+ i = 0;
+
+ sprintf((pbuf+strlen(pbuf)), "Q931: ");
+
+ /* protocol discriminator */
+
+ pd = buf[i];
+
+ if(pd >= 0x00 && pd <= 0x07)
+ sprintf((pbuf+strlen(pbuf)), "pd=User-User (0x%02x), ",pd);
+ else if(pd == 0x08)
+ sprintf((pbuf+strlen(pbuf)), "pd=Q.931/I.451, ");
+ else if(pd >= 0x10 && pd <= 0x3f)
+ sprintf((pbuf+strlen(pbuf)), "pd=Other Layer 3 or X.25 (0x%02x), ",pd);
+ else if(pd >= 0x40 && pd <= 0x4f)
+ sprintf((pbuf+strlen(pbuf)), "pd=National Use (0x%02x), ",pd);
+ else if(pd >= 0x50 && pd <= 0xfe)
+ sprintf((pbuf+strlen(pbuf)), "pd=Other Layer 3 or X.25 (0x%02x), ",pd);
+ else
+ sprintf((pbuf+strlen(pbuf)), "pd=Reserved (0x%02x), ",pd);
+
+ /* call reference */
+
+ i++;
+
+ len = buf[i] & 0x0f;
+
+ switch(len)
+ {
+ case 0:
+ sprintf((pbuf+strlen(pbuf)), "cr=Dummy, ");
+ break;
+ case 1:
+ sprintf((pbuf+strlen(pbuf)), "cr=0x%02x %s, ", (buf[i+1] & 0x7f), (buf[i+1] & 0x80) ? "(from destination)" : "(from origination)");
+ break;
+ case 2:
+ sprintf((pbuf+strlen(pbuf)), "cr=0x%02x 0x%02x %s, ", (buf[i+1] & 0x7f), (buf[i+2] & 0x7f), (buf[i+1] & 0x80) ? "(org)" : "(dst)");
+ break;
+ }
+
+ i += (len+1);
+
+ /* message type */
+
+ sprintf((pbuf+strlen(pbuf)), "message=");
+
+ switch(buf[i])
+ {
+ /* escape to nationally specific message type */
+
+ case 0x00:
+ sprintf((pbuf+strlen(pbuf)), "ESCAPE: ");
+ break;
+
+ /* call establishment */
+
+ case 0x01:
+ sprintf((pbuf+strlen(pbuf)), "ALERTING: ");
+ break;
+ case 0x02:
+ sprintf((pbuf+strlen(pbuf)), "CALL PROCEEDING: ");
+ break;
+ case 0x03:
+ sprintf((pbuf+strlen(pbuf)), "PROGRESS: ");
+ break;
+ case 0x05:
+ sprintf((pbuf+strlen(pbuf)), "SETUP: ");
+ break;
+ case 0x07:
+ sprintf((pbuf+strlen(pbuf)), "CONNECT: ");
+ break;
+ case 0x0d:
+ sprintf((pbuf+strlen(pbuf)), "SETUP ACKNOWLEDGE: ");
+ break;
+ case 0x0f:
+ sprintf((pbuf+strlen(pbuf)), "CONNECT ACKNOWLEDGE: ");
+ break;
+
+ /* call information phase */
+
+ case 0x20:
+ sprintf((pbuf+strlen(pbuf)), "USER INFORMATION: ");
+ break;
+ case 0x21:
+ sprintf((pbuf+strlen(pbuf)), "SUSPEND REJECT: ");
+ break;
+ case 0x22:
+ sprintf((pbuf+strlen(pbuf)), "RESUME REJECT: ");
+ break;
+ case 0x24:
+ sprintf((pbuf+strlen(pbuf)), "HOLD (Q.932): ");
+ break;
+ case 0x25:
+ sprintf((pbuf+strlen(pbuf)), "SUSPEND: ");
+ break;
+ case 0x26:
+ sprintf((pbuf+strlen(pbuf)), "RESUME: ");
+ break;
+ case 0x28:
+ sprintf((pbuf+strlen(pbuf)), "HOLD ACKNOWLEDGE (Q.932): ");
+ break;
+ case 0x2d:
+ sprintf((pbuf+strlen(pbuf)), "SUSPEND ACKNOWLEDGE: ");
+ break;
+ case 0x2e:
+ sprintf((pbuf+strlen(pbuf)), "RESUME ACKNOWLEDGE: ");
+ break;
+ case 0x30:
+ sprintf((pbuf+strlen(pbuf)), "HOLD REJECT (Q.932): ");
+ break;
+ case 0x31:
+ sprintf((pbuf+strlen(pbuf)), "RETRIEVE (Q.932): ");
+ break;
+ case 0x32:
+ sprintf((pbuf+strlen(pbuf)), "RETRIEVE ACKNOWLEDGE (Q.932): ");
+ break;
+ case 0x37:
+ sprintf((pbuf+strlen(pbuf)), "RETRIEVE REJECT (Q.932): ");
+ break;
+
+ /* call clearing */
+
+ case 0x40:
+ sprintf((pbuf+strlen(pbuf)), "DETACH: ");
+ break;
+ case 0x45:
+ sprintf((pbuf+strlen(pbuf)), "DISCONNECT: ");
+ break;
+ case 0x46:
+ sprintf((pbuf+strlen(pbuf)), "RESTART: ");
+ break;
+ case 0x48:
+ sprintf((pbuf+strlen(pbuf)), "DETACH ACKNOWLEDGE: ");
+ break;
+ case 0x4d:
+ sprintf((pbuf+strlen(pbuf)), "RELEASE: ");
+ break;
+ case 0x4e:
+ sprintf((pbuf+strlen(pbuf)), "RESTART ACKNOWLEDGE: ");
+ break;
+ case 0x5a:
+ sprintf((pbuf+strlen(pbuf)), "RELEASE COMPLETE: ");
+ break;
+
+ /* misc messages */
+
+ case 0x60:
+ sprintf((pbuf+strlen(pbuf)), "SEGMENT: ");
+ break;
+ case 0x62:
+ sprintf((pbuf+strlen(pbuf)), "FACILITY (Q.932): ");
+ break;
+ case 0x64:
+ sprintf((pbuf+strlen(pbuf)), "REGISTER (Q.932): ");
+ break;
+ case 0x68:
+ sprintf((pbuf+strlen(pbuf)), "CANCEL ACKNOWLEDGE: ");
+ break;
+ case 0x6a:
+ sprintf((pbuf+strlen(pbuf)), "FACILITY ACKNOWLEDGE: ");
+ break;
+ case 0x6c:
+ sprintf((pbuf+strlen(pbuf)), "REGISTER ACKNOWLEDGE: ");
+ break;
+ case 0x6e:
+ sprintf((pbuf+strlen(pbuf)), "NOTIFY: ");
+ break;
+ case 0x70:
+ sprintf((pbuf+strlen(pbuf)), "CANCEL REJECT: ");
+ break;
+ case 0x72:
+ sprintf((pbuf+strlen(pbuf)), "FACILITY REJECT: ");
+ break;
+ case 0x74:
+ sprintf((pbuf+strlen(pbuf)), "REGISTER REJECT: ");
+ break;
+ case 0x75:
+ sprintf((pbuf+strlen(pbuf)), "STATUS ENQIRY: ");
+ break;
+ case 0x79:
+ sprintf((pbuf+strlen(pbuf)), "CONGESTION CONTROL: ");
+ break;
+ case 0x7b:
+ sprintf((pbuf+strlen(pbuf)), "INFORMATION: ");
+ break;
+ case 0x7d:
+ sprintf((pbuf+strlen(pbuf)), "STATUS: ");
+ break;
+ default:
+ sprintf((pbuf+strlen(pbuf)), "UNDEFINED, TYPE=0x%02x, ", buf[i]);
+ break;
+ }
+
+ /* 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 */
+ if(buf[i] & 0x01)
+ sprintf((pbuf+strlen(pbuf)), "[sending complete]");
+ else
+ sprintf((pbuf+strlen(pbuf)), "[more data]");
+ break;
+
+ case 0x30: /* congestion level */
+ sprintf((pbuf+strlen(pbuf)), "[congestion level=");
+ switch(buf[i] & 0x0f)
+ {
+ case 0x00:
+ sprintf((pbuf+strlen(pbuf)), "rx-ready]");
+ break;
+ case 0x0f:
+ sprintf((pbuf+strlen(pbuf)), "rx-not-ready]");
+ break;
+ default:
+ sprintf((pbuf+strlen(pbuf)), "reserved (0x%02x)]", buf[i] & 0x0f);
+ break;
+ }
+ break;
+
+ case 0x50: /* repeat ind */
+ sprintf((pbuf+strlen(pbuf)), "[repeat indicator]");
+ break;
+
+ default:
+ sprintf((pbuf+strlen(pbuf)), "[UNKNOWN SINGLE OCTET ELEMENT 0x%02x]", buf[i]);
+ break;
+ }
+
+ i++; /* next */
+
+ }
+ else
+ {
+ /* variable length info element */
+
+ if(codeset == 0)
+ {
+ switch(buf[i])
+ {
+ case 0x00:
+ sprintf((pbuf+strlen(pbuf)), "[segmented message: ");
+ break;
+ case 0x04:
+ sprintf((pbuf+strlen(pbuf)), "[bearer capability: ");
+ i += p_q931bc(pbuf, &buf[i]);
+ goto next;
+ break;
+ case 0x08:
+ sprintf((pbuf+strlen(pbuf)), "[cause: ");
+ i += p_q931cause(pbuf, &buf[i]);
+ goto next;
+ break;
+ case 0x0c:
+ sprintf((pbuf+strlen(pbuf)), "[connected address (old): ");
+ break;
+ case 0x0d:
+ sprintf((pbuf+strlen(pbuf)), "[extended facility (Q.932: )");
+ break;
+ case 0x10:
+ sprintf((pbuf+strlen(pbuf)), "[call identity: ");
+ break;
+ case 0x14:
+ sprintf((pbuf+strlen(pbuf)), "[call state: ");
+ i++;
+ len = buf[i];
+ i++;
+ sprintf((pbuf+strlen(pbuf)), "Std=");
+ switch((buf[i] & 0x60) >> 5)
+ {
+ case 0:
+ sprintf((pbuf+strlen(pbuf)), "CCITT");
+ break;
+ case 1:
+ sprintf((pbuf+strlen(pbuf)), "ISO/IEC");
+ break;
+ case 2:
+ sprintf((pbuf+strlen(pbuf)), "National");
+ break;
+ case 3:
+ sprintf((pbuf+strlen(pbuf)), "Special");
+ break;
+ }
+ sprintf((pbuf+strlen(pbuf)), ", State=");
+
+ switch((buf[i] & 0x3f))
+ {
+ case 0:
+ sprintf((pbuf+strlen(pbuf)), "Null");
+ break;
+ case 1:
+ sprintf((pbuf+strlen(pbuf)), "Call initiated");
+ break;
+ case 2:
+ sprintf((pbuf+strlen(pbuf)), "Overlap sending");
+ break;
+ case 3:
+ sprintf((pbuf+strlen(pbuf)), "Outgoing call proceeding");
+ break;
+ case 4:
+ sprintf((pbuf+strlen(pbuf)), "Call delivered");
+ break;
+ case 6:
+ sprintf((pbuf+strlen(pbuf)), "Call present");
+ break;
+ case 7:
+ sprintf((pbuf+strlen(pbuf)), "Call received");
+ break;
+ case 8:
+ sprintf((pbuf+strlen(pbuf)), "Connect request");
+ break;
+ case 9:
+ sprintf((pbuf+strlen(pbuf)), "Incoming call proceeding");
+ break;
+ case 10:
+ sprintf((pbuf+strlen(pbuf)), "Active");
+ break;
+ case 11:
+ sprintf((pbuf+strlen(pbuf)), "Disconnect request");
+ break;
+ case 12:
+ sprintf((pbuf+strlen(pbuf)), "Disconnect indication");
+ break;
+ case 15:
+ sprintf((pbuf+strlen(pbuf)), "Suspend request");
+ break;
+ case 17:
+ sprintf((pbuf+strlen(pbuf)), "Resume request");
+ break;
+ case 19:
+ sprintf((pbuf+strlen(pbuf)), "Release request");
+ break;
+ case 22:
+ sprintf((pbuf+strlen(pbuf)), "Call abort");
+ break;
+ case 25:
+ sprintf((pbuf+strlen(pbuf)), "Overlap receiving");
+ break;
+ case 0x3d:
+ sprintf((pbuf+strlen(pbuf)), "Restart request");
+ break;
+ case 0x3e:
+ sprintf((pbuf+strlen(pbuf)), "Restart");
+ break;
+ default:
+ sprintf((pbuf+strlen(pbuf)), "ERROR: undefined/reserved");
+ break;
+ }
+ sprintf((pbuf+strlen(pbuf)), "]");
+ i++;
+ goto next;
+ break;
+ case 0x18:
+ sprintf((pbuf+strlen(pbuf)), "[channel id: channel=");
+ i++;
+ len = buf[i];
+ i++;
+ 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 0x19:
+ sprintf((pbuf+strlen(pbuf)), "[data link connection id (Q.933): ");
+ break;
+ case 0x1c:
+ i += q932_facility(pbuf, &buf[i]);
+ goto next;
+ break;
+ case 0x1e:
+ sprintf((pbuf+strlen(pbuf)), "[progress ind: ");
+ i++;
+ len = buf[i];
+ i++;
+ sprintf((pbuf+strlen(pbuf)), "Std=");
+ switch((buf[i] & 0x60) >> 5)
+ {
+ case 0:
+ sprintf((pbuf+strlen(pbuf)), "CCITT");
+ break;
+ case 1:
+ sprintf((pbuf+strlen(pbuf)), "ISO/IEC");
+ break;
+ case 2:
+ sprintf((pbuf+strlen(pbuf)), "National");
+ break;
+ case 3:
+ sprintf((pbuf+strlen(pbuf)), "Local");
+ break;
+ }
+ sprintf((pbuf+strlen(pbuf)), ", Loc=");
+
+ switch((buf[i] & 0x0f))
+ {
+ 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 ind: ");
+ 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: ");
+ break;
+ case 0x76:
+ sprintf((pbuf+strlen(pbuf)), "[redirection number: ");
+ 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: ");
+ 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 */
+
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