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#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
#include <signal.h>
#include <config.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netax25/ax25.h>
#include <netrom/netrom.h>
#include <netrose/rose.h>
#include <netax25/axlib.h>
#include <netax25/axconfig.h>
#include <netax25/nrconfig.h>
#include "user_io.h"
static void alarm_handler(int sig)
{
}
int main(int argc, char **argv)
{
char buffer[256], *addr;
int s, addrlen = sizeof(struct full_sockaddr_ax25);
struct full_sockaddr_ax25 nrbind, nrconnect;
paclen_in = 236;
paclen_out = 236;
while ((s = getopt(argc, argv, "ci:o:")) != -1) {
switch (s) {
case 'c':
init_compress();
compression = 1;
break;
case 'i':
paclen_in = atoi(optarg);
break;
case 'o':
paclen_out = atoi(optarg);
break;
case ':':
case '?':
err("ERROR: invalid option usage\r");
return 1;
}
}
if (paclen_in < 1 || paclen_out < 1) {
err("ERROR: invalid paclen\r");
return 1;
}
/*
* Arguments should be "netrom_call port mycall remaddr"
*/
if ((argc - optind) != 3) {
strcpy(buffer, "ERROR: invalid number of parameters\r");
err(buffer);
}
if (nr_config_load_ports() == 0) {
strcpy(buffer, "ERROR: problem with nrports file\r");
err(buffer);
}
/*
* Parse the passed values for correctness.
*/
nrconnect.fsa_ax25.sax25_family = nrbind.fsa_ax25.sax25_family = AF_NETROM;
nrbind.fsa_ax25.sax25_ndigis = 1;
nrconnect.fsa_ax25.sax25_ndigis = 0;
addr = nr_config_get_addr(argv[optind]);
if (addr == NULL) {
sprintf(buffer, "ERROR: invalid NET/ROM port name - %s\r", argv[optind]);
err(buffer);
}
if (ax25_aton_entry(addr, nrbind.fsa_ax25.sax25_call.ax25_call) == -1) {
sprintf(buffer, "ERROR: invalid NET/ROM port callsign - %s\r", argv[optind]);
err(buffer);
}
if (ax25_aton_entry(argv[optind + 1], nrbind.fsa_digipeater[0].ax25_call) == -1) {
sprintf(buffer, "ERROR: invalid callsign - %s\r", argv[optind + 1]);
err(buffer);
}
if ((addr = strchr(argv[optind + 2], ':')) == NULL)
addr = argv[optind + 2];
else
addr++;
if (ax25_aton_entry(addr, nrconnect.fsa_ax25.sax25_call.ax25_call) == -1) {
sprintf(buffer, "ERROR: invalid callsign - %s\r", argv[optind + 2]);
err(buffer);
}
/*
* Open the socket into the kernel.
*/
s = socket(AF_NETROM, SOCK_SEQPACKET, 0);
if (s < 0) {
sprintf(buffer, "ERROR: cannot open NET/ROM socket, %s\r", strerror(errno));
err(buffer);
}
/*
* Set our AX.25 callsign and NET/ROM callsign accordingly.
*/
if (bind(s, (struct sockaddr *)&nrbind, addrlen) != 0) {
sprintf(buffer, "ERROR: cannot bind NET/ROM socket, %s\r", strerror(errno));
err(buffer);
}
sprintf(buffer, "Connecting to %s ...\r", argv[optind + 2]);
user_write(STDOUT_FILENO, buffer, strlen(buffer));
/*
* If no response in 30 seconds, go away.
*/
alarm(30);
signal(SIGALRM, alarm_handler);
/*
* Lets try and connect to the far end.
*/
if (connect(s, (struct sockaddr *)&nrconnect, addrlen) != 0) {
switch (errno) {
case ECONNREFUSED:
strcpy(buffer, "*** Connection refused - aborting\r");
break;
case ENETUNREACH:
strcpy(buffer, "*** No known route - aborting\r");
break;
case EINTR:
strcpy(buffer, "*** Connection timed out - aborting\r");
break;
default:
sprintf(buffer, "ERROR: cannot connect to NET/ROM node, %s\r", strerror(errno));
break;
}
err(buffer);
}
/*
* We got there.
*/
alarm(0);
strcpy(buffer, "*** Connected\r");
user_write(STDOUT_FILENO, buffer, strlen(buffer));
select_loop(s);
strcpy(buffer, "\r*** Disconnected\r");
user_write(STDOUT_FILENO, buffer, strlen(buffer));
end_compress();
return 0;
}
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