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/*
* Copyright 1996, 1997 Heikki Hannikainen OH7LZB <oh7lzb@sral.fi>
*
* Portions and ideas (like the ibm character mapping) from
* Tomi Manninen OH2BNS <oh2bns@sral.fi>
*/
#include <stdio.h>
#include <stdarg.h>
#include <stdlib.h>
#include <curses.h>
#include <netdb.h>
#include <netinet/in.h>
#include <string.h>
#include "listen.h"
int color = 0; /* Colorized? */
int sevenbit = 1; /* Are we on a 7-bit terminal? */
int ibmhack = 0; /* IBM mapping? */
/* mapping of IBM codepage 437 chars 128-159 to ISO latin1 equivalents
* (158 and 159 are mapped to space)
*/
static unsigned char ibm_map[32] = {
199, 252, 233, 226, 228, 224, 229, 231,
234, 235, 232, 239, 238, 236, 196, 197,
201, 230, 198, 244, 246, 242, 251, 249,
255, 214, 220, 162, 163, 165, 32, 32
};
/*
* Printf in Technicolor (TM) (available in selected theatres only)
*/
void lprintf(int dtype, char *fmt, ...)
{
va_list args;
char str[1024];
chtype ch;
char *p;
va_start(args, fmt);
vsnprintf(str, 1024, fmt, args);
va_end(args);
if (color) {
for (p = str; *p != '\0'; p++) {
ch = *p;
if (sevenbit && ch > 127)
ch = '.';
if ((ch > 127 && ch < 160) && ibmhack)
ch = ibm_map[ch - 128] | A_BOLD;
else if ((ch < 32) && (ch != '\n'))
ch = (ch + 64) | A_REVERSE;
if ((dtype == T_ADDR) || (dtype == T_PROTOCOL)
|| (dtype == T_AXHDR) || (dtype == T_IPHDR)
|| (dtype == T_ROSEHDR) || (dtype == T_PORT)
|| (dtype == T_TIMESTAMP))
ch |= A_BOLD;
ch |= COLOR_PAIR(dtype);
addch(ch);
}
} else {
for (p = str; *p != '\0'; p++)
if ((*p < 32 && *p != '\n')
|| (*p > 126 && (unsigned char) *p < 160 && sevenbit))
*p = '.';
if (fputs(str, stdout) == -1)
exit(1);
if (fflush(stdout) == -1)
exit(1);
}
}
int initcolor(void)
{
initscr(); /* Start ncurses */
if (!has_colors()) {
endwin();
fprintf(stderr, "Your terminal does not support color\n");
exit(1);
}
start_color(); /* Initialize color support */
refresh(); /* Clear screen */
noecho(); /* Don't echo */
wattrset(stdscr, 0); /* Clear attributes */
scrollok(stdscr, TRUE); /* Like a scrolling Stone... */
leaveok(stdscr, TRUE); /* Cursor position doesn't really matter */
idlok(stdscr, TRUE); /* Use hardware ins/del of the terminal */
nodelay(stdscr, TRUE); /* Make getch() nonblocking */
/* Pick colors for each type */
init_pair(T_PORT, COLOR_GREEN, COLOR_BLACK);
init_pair(T_DATA, COLOR_WHITE, COLOR_BLACK);
init_pair(T_ERROR, COLOR_RED, COLOR_BLACK);
init_pair(T_PROTOCOL, COLOR_CYAN, COLOR_BLACK);
init_pair(T_AXHDR, COLOR_WHITE, COLOR_BLACK);
init_pair(T_IPHDR, COLOR_WHITE, COLOR_BLACK);
init_pair(T_ADDR, COLOR_GREEN, COLOR_BLACK);
init_pair(T_ROSEHDR, COLOR_WHITE, COLOR_BLACK);
init_pair(T_TIMESTAMP, COLOR_YELLOW, COLOR_BLACK);
init_pair(T_KISS, COLOR_MAGENTA, COLOR_BLACK);
init_pair(T_BPQ, COLOR_MAGENTA, COLOR_BLACK);
init_pair(T_TCPHDR, COLOR_BLUE, COLOR_BLACK);
init_pair(T_FLEXNET, COLOR_BLUE, COLOR_BLACK);
init_pair(T_OPENTRAC, COLOR_YELLOW, COLOR_BLACK);
return 1;
}
char *servname(int port, char *proto)
{
struct servent *serv;
static char str[16];
if ((serv = getservbyport(htons(port), proto)))
strncpy(str, serv->s_name, 16);
else
snprintf(str, 16, "%i", port);
return str;
}
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