void ft_print_comb(void)
{
char n;
char i;
char a;
n = '0';
while (n <= '7')
{
i = n + 1;
while (i <= '8')
{
a = i + 1;
while (a <= '9')
{
putchar3(n, i, a);
if (n != '7' || i != '8' || a != '9')
{
ft_putchar(',');
ft_putchar(' ');
}
a++;
}
i++;
}
n++;
}
}
void handle_telnet(const unsigned char *bytes, uint16_t frame_len) {
print1("TELNET ");
print_ips_from_last_header_v1();
printf1("%u bytes\n", frame_len);
const unsigned char *end = bytes + frame_len;
while(bytes < end) {
if(*bytes & 0xFF) {
bytes++;
uint8_t command = *bytes++;
printf3(" cmd %s (%u): ", TELCMD_OK(command) ? TELCMD(command) : "CMD?", command);
switch(command) {
case DO:
case DONT:
case WONT:
case WILL: {
uint8_t option = *bytes++;
printf3("%s (%u)", TELOPT(option), option);
break;
}
case SB: {
uint8_t suboption = *bytes++;
printf3("%s (%u)", TELOPT(suboption), suboption);
switch(suboption) {
case TELOPT_TSPEED:
printf3(" = %u", *bytes++);
break;
case TELOPT_NAWS:
printf3(" = %u x %u", ntohs(*(uint16_t*)&bytes[0]), ntohs(*(uint16_t*)&bytes[2]));
bytes += 4;
break;
default:
break;
}
break;
}
case SE:
print3("end of suboptions");
break;
default:
print3("unknown command");
break;
}
putchar3('\n');
if(command == SE)
break; // end of options
}
else {
bytes++;
}
}
}
