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-rw-r--r--usr.sbin/i4b/isdndecode/layer3.c508
1 files changed, 0 insertions, 508 deletions
diff --git a/usr.sbin/i4b/isdndecode/layer3.c b/usr.sbin/i4b/isdndecode/layer3.c
deleted file mode 100644
index 6376a139da58f..0000000000000
--- a/usr.sbin/i4b/isdndecode/layer3.c
+++ /dev/null
@@ -1,508 +0,0 @@
-/*
- * 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.
- *
- *---------------------------------------------------------------------------
- *
- * layer3.c - decode and print layer 3 (Q.931) information
- * -------------------------------------------------------
- *
- * $Id: layer3.c,v 1.5 1998/12/18 17:09:38 hm Exp $
- *
- * last edit-date: [Fri Dec 18 18:12:21 1998]
- *
- *---------------------------------------------------------------------------*/
-
-#include "decode.h"
-
-char *mttab[] = {
-
-/* 0x00 */ /* call establishment group */
-
- "ESCAPE",
- "ALERTING",
- "CALL PROCEEDING",
- "PROGRESS",
- "undefined (0x04)",
- "SETUP",
- "undefined (0x06)",
- "CONNECT",
- "undefined (0x08)",
- "undefined (0x09)",
- "undefined (0x0a)",
- "undefined (0x0b)",
- "undefined (0x0c)",
- "SETUP ACKNOWLEDGE",
- "undefined (0x0e)",
- "CONNECT ACKNOWLEDGE",
-
-/* 0x10 */
- "undefined (0x10)",
- "undefined (0x11)",
- "undefined (0x12)",
- "undefined (0x13)",
- "undefined (0x14)",
- "undefined (0x15)",
- "undefined (0x16)",
- "undefined (0x17)",
- "undefined (0x18)",
- "undefined (0x19)",
- "undefined (0x1a)",
- "undefined (0x1b)",
- "undefined (0x1c)",
- "undefined (0x1d)",
- "undefined (0x1e)",
- "undefined (0x1f)",
-
-/* 0x20 */
-
- "USER INFORMATION", /* call information phase */
- "SUSPEND REJECT",
- "RESUME REJECT",
- "undefined (0x23)",
- "HOLD",
- "SUSPEND",
- "RESUME",
- "undefined (0x27)",
- "HOLD ACKNOWLEDGE",
- "undefined (0x29)",
- "undefined (0x2a)",
- "undefined (0x2b)",
- "undefined (0x2c)",
- "SUSPEND ACKNOWLEDGE",
- "RESUME ACKNOWLEDGE",
- "undefined (0x2f)",
-
-/* 0x30 */
-
- "HOLD REJECT",
- "RETRIEVE",
- "undefined (0x32)",
- "RETRIEVE ACKNOWLEDGE",
- "undefined (0x34)",
- "undefined (0x35)",
- "undefined (0x36)",
- "RETRIEVE REJECT",
- "undefined (0x38)",
- "undefined (0x39)",
- "undefined (0x3a)",
- "undefined (0x3b)",
- "undefined (0x3c)",
- "undefined (0x3d)",
- "undefined (0x3e)",
- "undefined (0x3f)",
-
-/* 0x40 */
-
- "DETACH", /* call clearing */
- "undefined (0x41)",
- "undefined (0x42)",
- "undefined (0x43)",
- "undefined (0x44)",
- "DISCONNECT",
- "RESTART",
- "undefined (0x47)",
- "DETACH ACKNOWLEDGE",
- "undefined (0x49)",
- "undefined (0x4a)",
- "undefined (0x4b)",
- "undefined (0x4c)",
- "RELEASE",
- "RESTART ACKNOWLEDGE",
- "undefined (0x4f)",
-
-/* 0x50 */
-
- "undefined (0x50)",
- "undefined (0x51)",
- "undefined (0x52)",
- "undefined (0x53)",
- "undefined (0x54)",
- "undefined (0x55)",
- "undefined (0x56)",
- "undefined (0x57)",
- "undefined (0x58)",
- "undefined (0x59)",
- "RELEASE COMPLETE",
- "undefined (0x5b)",
- "undefined (0x5c)",
- "undefined (0x5d)",
- "undefined (0x5e)",
- "undefined (0x5f)",
-
-/* 0x60 */
-
- "SEGMENT", /* misc messages */
- "undefined (0x61)",
- "FACILITY",
- "undefined (0x63)",
- "REGISTER",
- "undefined (0x65)",
- "undefined (0x66)",
- "undefined (0x67)",
- "CANCEL ACKNOWLEDGE",
- "undefined (0x69)",
- "FACILITY ACKNOWLEDGE",
- "undefined (0x6b)",
- "REGISTER ACKNOWLEDGE",
- "undefined (0x6d)",
- "NOTIFY",
- "undefined (0x6f)",
-
-/* 0x70 */
-
- "CANCEL REJECT",
- "undefined (0x71)",
- "FACILITY REJECT",
- "undefined (0x73)",
- "REGISTER REJECT",
- "STATUS ENQIRY",
- "undefined (0x76)",
- "undefined (0x77)",
- "undefined (0x78)",
- "CONGESTION CONTROL",
- "undefined (0x7a)",
- "INFORMATION",
- "undefined (0x7c)",
- "STATUS",
- "undefined (0x7e)",
- "undefined (0x7f)",
-};
-
-#define MTTAB_MAX 0x7f
-
-extern int f_null(char *pbuf, unsigned char *buf, int off);
-extern int f_bc(char *pbuf, unsigned char *buf, int off);
-extern int f_cause(char *pbuf, unsigned char *buf, int off);
-extern int f_cstat(char *pbuf, unsigned char *buf, int off);
-extern int f_chid(char *pbuf, unsigned char *buf, int off);
-extern int f_fac(char *pbuf, unsigned char *buf, int off);
-extern int f_progi(char *pbuf, unsigned char *buf, int off);
-extern int f_displ(char *pbuf, unsigned char *buf, int off);
-extern int f_date(char *pbuf, unsigned char *buf, int off);
-extern int f_cnu(char *pbuf, unsigned char *buf, int off);
-extern int f_cgpn(char *pbuf, unsigned char *buf, int off);
-extern int f_cdpn(char *pbuf, unsigned char *buf, int off);
-extern int f_hlc(char *pbuf, unsigned char *buf, int off);
-
-struct ie {
- unsigned char code; /* information element identifier code */
- char *name; /* ie name */
- int (*func) (char *pbuf, unsigned char *buf, int off); /* decode function */
-} ietab[] = {
- { 0x00, "segmented message", f_null },
- { 0x04, "bearer capability", f_bc },
- { 0x08, "cause", f_cause },
- { 0x0c, "connected address", f_null },
- { 0x0d, "extended facility", f_null },
- { 0x10, "call identity", f_null },
- { 0x14, "call state", f_cstat },
- { 0x18, "channel id", f_chid },
- { 0x19, "data link connection id", f_null },
- { 0x1c, "facility", f_fac },
- { 0x1e, "progress indicator", f_progi },
- { 0x20, "network specific facilities", f_null },
- { 0x24, "terminal capabilities", f_null },
- { 0x27, "notification indicator", f_null },
- { 0x28, "display", f_displ },
- { 0x29, "date/time", f_date },
- { 0x2c, "keypad", f_null },
- { 0x30, "keypad echo", f_null },
- { 0x32, "information request", f_null },
- { 0x34, "signal", f_null },
- { 0x36, "switchhook", f_null },
- { 0x38, "feature activation", f_null },
- { 0x39, "feature indication", f_null },
- { 0x3a, "service profile id", f_null },
- { 0x3b, "endpoint identifier", f_null },
- { 0x40, "information rate", f_null },
- { 0x41, "precedence level", f_null },
- { 0x42, "end-to-end transit delay", f_null },
- { 0x43, "transit delay detection", f_null },
- { 0x44, "packet layer binary parms", f_null },
- { 0x45, "packet layer window size", f_null },
- { 0x46, "packet size", f_null },
- { 0x47, "closed user group", f_null },
- { 0x48, "link layer core parameters", f_null },
- { 0x49, "link layer protocol parms", f_null },
- { 0x4a, "reverse charging information", f_null },
- { 0x4c, "connected number", f_cnu },
- { 0x4d, "connected subaddress", f_null },
- { 0x50, "X.213 priority", f_null },
- { 0x51, "report type", f_null },
- { 0x53, "link integrity verification", f_null },
- { 0x57, "PVC status", f_null },
- { 0x6c, "calling party number", f_cnu },
- { 0x6d, "calling party subaddress", f_null },
- { 0x70, "called party number", f_cnu },
- { 0x71, "called party subaddress", f_null },
- { 0x74, "redirecting number", f_null },
- { 0x78, "transit network selection", f_null },
- { 0x79, "restart indicator", f_null },
- { 0x7c, "low layer compatibility", f_null },
- { 0x7d, "high layer compatibility", f_hlc },
- { 0x7e, "user-user", f_null },
- { 0x7f, "escape for extension", f_null },
- { 0xff, "unknown information element", f_null }
-};
-
-/*---------------------------------------------------------------------------*
- * decode Q.931 protocol
- *---------------------------------------------------------------------------*/
-void
-layer3(char *pbuf, int n, int off, unsigned char *buf)
-{
- char buffer[256];
- int codeset = 0;
- int codelock = 0;
- int oldcodeset = 0;
-
- int pd;
- int len;
- int j;
- int i;
-
- if(n <= 0)
- return;
-
- *pbuf = '\0';
-
- i = 0;
-
- /* protocol discriminator */
-
- pd = buf[i];
-
- if(pd >= 0x00 && pd <= 0x07)
- sprintf(buffer, "User-User IE (0x%02x)",pd);
- else if(pd == 0x08)
- sprintf(buffer, "Q.931/I.451");
- else if(pd >= 0x10 && pd <= 0x3f)
- sprintf(buffer, "Other Layer 3 or X.25 (0x%02x)",pd);
- else if(pd >= 0x40 && pd <= 0x4f)
- sprintf(buffer, "National Use (0x%02x)",pd);
- else if(pd >= 0x50 && pd <= 0xfe)
- sprintf(buffer, "Other Layer 3 or X.25 (0x%02x)",pd);
- else
- sprintf(buffer, "Reserved (0x%02x)",pd);
-
- sprintline(3, (pbuf+strlen(pbuf)), off+i, pd, 0xff, "Protocol discriminator = %s", buffer);
- i++;
-
- /* call reference */
-
- len = buf[i] & 0x0f;
-
- sprintline(3, (pbuf+strlen(pbuf)), off+i, buf[i], 0xf0, "Call Reference");
-
- switch(len)
- {
- case 0:
- sprintline(3, (pbuf+strlen(pbuf)), off+i, buf[i], 0x0f, "Length of Call Reference = 0 (Dummy CR)");
- break;
- case 1:
- sprintline(3, (pbuf+strlen(pbuf)), off+i, buf[i], 0x0f, "Length of Call Reference = 1");
- i++;
- sprintline(3, (pbuf+strlen(pbuf)), off+i, buf[i], 0x80, "Call Reference sent %s origination side", (buf[i] & 0x80) ? "to" : "from");
- sprintline(3, (pbuf+strlen(pbuf)), off+i, buf[i], 0x7f, "Call Reference = %d = 0x%02x", (buf[i] & 0x7f), (buf[i] & 0x7f));
- break;
- case 2:
- sprintline(3, (pbuf+strlen(pbuf)), off+i, buf[i], 0x0f, "Length of Call Reference = 2");
- i++;
- sprintline(3, (pbuf+strlen(pbuf)), off+i, buf[i], 0x80, "Call Reference sent %s origination side", (buf[i] & 0x80) ? "to" : "from");
- sprintline(3, (pbuf+strlen(pbuf)), off+i, buf[i], 0x7f, "Call reference = %d = %02x", (buf[i] & 0x7f));
- i++;
- sprintline(3, (pbuf+strlen(pbuf)), off+i, buf[i], 0xff, "Call reference = %d = %02x", (buf[i]));
- break;
- }
- i++;
-
- /* message type */
-
- sprintline(3, (pbuf+strlen(pbuf)), off+i, buf[i], 0x80, "Message type extension = %d", buf[i] & 0x80 ? 1 : 0);
-
- if(buf[i] <= MTTAB_MAX)
- strcpy(buffer, mttab[buf[i]]);
- else
- sprintf(buffer, "unknown (0x%02x)", buf[i]);
-
- sprintline(3, (pbuf+strlen(pbuf)), off+i, buf[i], 0x7f, "Message type = %s", buffer);
- i++;
-
- /* information elements */
-
- for (; i < n;)
- {
- sprintline(3, (pbuf+strlen(pbuf)), off+i, buf[i], 0x80, "%s Information element", buf[i] & 0x80 ? "Single octet" : "Variable length");
-
- if(buf[i] & 0x80)
- {
- /* single octett info element type 1 */
-
- if((buf[i] & 0x70) == 0x00)
- {
- strcpy(buffer, "Reserved");
- sprintline(3, (pbuf+strlen(pbuf)), off+i, buf[i], 0x70, "Reserved");
- sprintline(3, (pbuf+strlen(pbuf)), off+i, buf[i], 0x0f, "Reserved, content of IE");
- }
- else if((buf[i] & 0x70) == 0x10)
- {
- strcpy(buffer, "Shift");
- sprintline(3, (pbuf+strlen(pbuf)), off+i, buf[i], 0x70, "Shift");
- sprintline(3, (pbuf+strlen(pbuf)), off+i, buf[i], 0x08, "%s shift", buf[i] & 0x08 ? "Non-locking" : "Locking");
-
- switch(buf[i] & 0x07)
- {
- case 0:
- strcpy(buffer, "Not applicable");
- break;
- case 1:
- case 2:
- case 3:
- sprintf(buffer, "Reserved (%d)", buf[i] & 0x07);
- break;
- case 4:
- strcpy(buffer, "Codeset 4 (ISO/IEC)");
- break;
- case 5:
- strcpy(buffer, "Codeset 5 (National use)");
- break;
- case 6:
- strcpy(buffer, "Codeset 6 (Local network specific)");
- break;
- case 7:
- strcpy(buffer, "Codeset 7 (User specific)");
- break;
- }
- sprintline(3, (pbuf+strlen(pbuf)), off+i, buf[i], 0x07, "%s", buffer);
- break;
- }
- else if((buf[i] & 0x70) == 0x30)
- {
- sprintline(3, (pbuf+strlen(pbuf)), off+i, buf[i], 0x70, "Congestion Level");
- switch(buf[i] & 0x0f)
- {
- case 0x00:
- strcpy(buffer, "receiver ready");
- break;
- case 0x0f:
- strcpy(buffer, "receiver not ready");
- break;
- default:
- sprintf(buffer, "reserved (0x%02x)", buf[i] & 0x0f);
- break;
- }
- sprintline(3, (pbuf+strlen(pbuf)), off+i, buf[i], 0x0f, "Congestion Level = ", buffer);
- break;
- }
- else if((buf[i] & 0x70) == 0x50)
- {
- sprintline(3, (pbuf+strlen(pbuf)), off+i, buf[i], 0x70, "Repeat Indicator");
- switch(buf[i] & 0x0f)
- {
- case 0x02:
- strcpy(buffer, "Prioritized list for selecting one possibility");
- break;
- default:
- sprintf(buffer, "reserved (0x%02x)", buf[i] & 0x0f);
- break;
- }
- sprintline(3, (pbuf+strlen(pbuf)), off+i, buf[i], 0x0f, "Repeat indication = ", buffer);
- break;
- }
-
- /* single octett info element type 2 */
-
- else if((buf[i] & 0x7f) == 0x20)
- {
- sprintline(3, (pbuf+strlen(pbuf)), off+i, buf[i], 0x7f, "More data");
- }
- else if((buf[i] & 0x7f) == 0x21)
- {
- sprintline(3, (pbuf+strlen(pbuf)), off+i, buf[i], 0x7f, "Sending complete");
- }
- else
- {
- sprintline(3, (pbuf+strlen(pbuf)), off+i, buf[i], 0xff, "UNKNOWN single octet IE = 0x%02x", buf[i]);
- }
- i++; /* next */
- }
- else
- {
- if(codeset == 0)
- {
- struct ie *iep = &ietab[0];
-
- for(;;)
- {
- if((iep->code == buf[i]) ||
- (iep->code == 0xff))
- break;
- iep++;
- }
-
- sprintline(3, (pbuf+strlen(pbuf)), off+i, buf[i], 0x7f, "IE = %s", iep->name);
- sprintline(3, pbuf+strlen(pbuf), off+i+1, buf[i+1], 0xff, "IE Length = %d", buf[i+1]);
-
- if(iep->func == f_null)
- {
- }
- else
- {
- i += (iep->func)(pbuf, &buf[i], off+i);
- goto next;
- }
- }
- 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 */
-