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/*
* Copyright 1996 Jonathan Naylor G4KLX
*/
#include <stdio.h>
#include <string.h>
#include "listen.h"
#define ROSE_ADDR_LEN 5
#define CALL_REQUEST 0x0B
#define CALL_ACCEPTED 0x0F
#define CLEAR_REQUEST 0x13
#define CLEAR_CONFIRMATION 0x17
#define INTERRUPT 0x23
#define INTERRUPT_CONFIRMATION 0x27
#define RESET_REQUEST 0x1B
#define RESET_CONFIRMATION 0x1F
#define RESTART_REQUEST 0xFB
#define RESTART_CONFIRMATION 0xFF
#define REGISTRATION_REQUEST 0xF3
#define REGISTRATION_CONFIRMATION 0xF7
#define DIAGNOSTIC 0xF1
#define RR 0x01
#define RNR 0x05
#define REJ 0x09
#define DATA 0x00
#define QBIT 0x80
#define DBIT 0x40
#define MBIT 0x10
static char *dump_x25_addr(unsigned char *);
static char *clear_code(unsigned char);
static char *reset_code(unsigned char);
static char *restart_code(unsigned char);
void rose_dump(unsigned char *data, int length, int hexdump)
{
lprintf(T_ROSEHDR, "X.25: LCI %3.3X : ", (data[0] & 0x0F) + data[1]);
switch (data[2]) {
case CALL_REQUEST:
data += 4;
length -= 4;
lprintf(T_ROSEHDR, "CALL REQUEST - ");
lprintf(T_ADDR, "%s -> ", dump_x25_addr(data + ROSE_ADDR_LEN));
lprintf(T_ADDR, "%s\n", dump_x25_addr(data + 0));
data += ROSE_ADDR_LEN + ROSE_ADDR_LEN;
length -= ROSE_ADDR_LEN + ROSE_ADDR_LEN;
data_dump(data, length, 1);
return;
case CALL_ACCEPTED:
lprintf(T_ROSEHDR, "CALL ACCEPTED\n");
return;
case CLEAR_REQUEST:
lprintf(T_ROSEHDR, "CLEAR REQUEST - Cause %s - Diag %d\n",
clear_code(data[3]), data[4]);
return;
case CLEAR_CONFIRMATION:
lprintf(T_ROSEHDR, "CLEAR CONFIRMATION\n");
return;
case DIAGNOSTIC:
lprintf(T_ROSEHDR, "DIAGNOSTIC - Diag %d\n", data[3]);
return;
case INTERRUPT:
lprintf(T_ROSEHDR, "INTERRUPT\n");
data_dump(data + 3, length - 3, hexdump);
return;
case INTERRUPT_CONFIRMATION:
lprintf(T_ROSEHDR, "INTERRUPT CONFIRMATION\n");
return;
case RESET_REQUEST:
lprintf(T_ROSEHDR, "RESET REQUEST - Cause %s - Diag %d\n",
reset_code(data[3]), data[4]);
return;
case RESET_CONFIRMATION:
lprintf(T_ROSEHDR, "RESET CONFIRMATION\n");
return;
case RESTART_REQUEST:
lprintf(T_ROSEHDR, "RESTART REQUEST - Cause %s - Diag %d\n",
restart_code(data[3]), data[4]);
return;
case RESTART_CONFIRMATION:
lprintf(T_ROSEHDR, "RESTART CONFIRMATION\n");
return;
case REGISTRATION_REQUEST:
lprintf(T_ROSEHDR, "REGISTRATION REQUEST\n");
return;
case REGISTRATION_CONFIRMATION:
lprintf(T_ROSEHDR, "REGISTRATION CONFIRMATION\n");
return;
}
if ((data[2] & 0x01) == DATA) {
lprintf(T_ROSEHDR, "DATA R%d S%d %s%s%s\n",
(data[2] >> 5) & 0x07, (data[2] >> 1) & 0x07,
(data[0] & QBIT) ? "Q" : "",
(data[0] & DBIT) ? "D" : "",
(data[2] & MBIT) ? "M" : "");
data_dump(data + 3, length - 3, hexdump);
return;
}
switch (data[2] & 0x1F) {
case RR:
lprintf(T_ROSEHDR, "RR R%d\n", (data[2] >> 5) & 0x07);
return;
case RNR:
lprintf(T_ROSEHDR, "RNR R%d\n", (data[2] >> 5) & 0x07);
return;
case REJ:
lprintf(T_ROSEHDR, "REJ R%d\n", (data[2] >> 5) & 0x07);
return;
}
lprintf(T_ROSEHDR, "UNKNOWN\n");
data_dump(data, length, 1);
}
static char *clear_code(unsigned char code)
{
static char buffer[25];
if (code == 0x00 || (code & 0x80) == 0x80)
return "DTE Originated";
if (code == 0x01)
return "Number Busy";
if (code == 0x09)
return "Out Of Order";
if (code == 0x11)
return "Remote Procedure Error";
if (code == 0x19)
return "Reverse Charging Acceptance Not Subscribed";
if (code == 0x21)
return "Incompatible Destination";
if (code == 0x29)
return "Fast Select Acceptance Not Subscribed";
if (code == 0x39)
return "Destination Absent";
if (code == 0x03)
return "Invalid Facility Requested";
if (code == 0x0B)
return "Access Barred";
if (code == 0x13)
return "Local Procedure Error";
if (code == 0x05)
return "Network Congestion";
if (code == 0x0D)
return "Not Obtainable";
if (code == 0x15)
return "RPOA Out Of Order";
sprintf(buffer, "Unknown %02X", code);
return buffer;
}
static char *reset_code(unsigned char code)
{
static char buffer[25];
if (code == 0x00 || (code & 0x80) == 0x80)
return "DTE Originated";
if (code == 0x03)
return "Remote Procedure Error";
if (code == 0x11)
return "Incompatible Destination";
if (code == 0x05)
return "Local Procedure Error";
if (code == 0x07)
return "Network Congestion";
sprintf(buffer, "Unknown %02X", code);
return buffer;
}
static char *restart_code(unsigned char code)
{
static char buffer[25];
if (code == 0x00 || (code & 0x80) == 0x80)
return "DTE Originated";
if (code == 0x01)
return "Local Procedure Error";
if (code == 0x03)
return "Network Congestion";
if (code == 0x07)
return "Network Operational";
sprintf(buffer, "Unknown %02X", code);
return buffer;
}
static char *dump_x25_addr(unsigned char *data)
{
static char buffer[25];
sprintf(buffer, "%02X%02X%02X%02X%02X", data[0], data[1], data[2], data[3], data[4]);
return buffer;
}
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