mars-nwe/opt/xsockrt.c
2011-11-13 17:37:22 +01:00

72 lines
1.8 KiB
C

/* (C)opyright (C) 1997 Martin Stover, Marburg, Germany
* simple program for adding/deleting ipx-routes for special sockets
* e.g. for playing doom around ipx-networks.
* needs special linux/net/ipx/af_ipx.c patch !!
*/
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <ctype.h>
#include <errno.h>
#include <strings.h>
#include <linux/ipx.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
static int usage(char *prog)
{
char *p=strrchr(prog, '/');
if (p==NULL)p=prog;
else p++;
fprintf(stderr, "usage:\t%s add|del [socknr] \n", p);
fprintf(stderr, "\tsocknr defaults to 0x869b (doom)\n");
fprintf(stderr, "\tother known sockets are:\n");
fprintf(stderr, "\t-0x8813 virgin games, Red Alert\n");
fprintf(stderr, "\tadd 0 activates automatic add of socknr !!\n");
fprintf(stderr, "\tdel 0 removes all socknr and deactivates automatic add !!\n");
return(1);
}
static int handle_ioctl(int mode, int socknr)
{
int fd = socket(AF_IPX, SOCK_DGRAM, AF_IPX);
int result=0;
if (fd > -1) {
if (mode == 1 || !mode) {
result = ioctl(fd, (mode==1) ? SIOCPROTOPRIVATE+4
: SIOCPROTOPRIVATE+5,
&socknr);
} else result++;
if (result==-1) {
perror("ioctl");
result=2;
}
close(fd);
} else {
result++;
perror("open socket");
}
return(result);
}
int main(int argc, char *argv[])
{
int socknr=0x869b;
if (argc < 2)
return(usage(argv[0]));
if (argc > 2 && 1 != sscanf(argv[2],"%i", &socknr))
return(usage(argv[0]));
if (!strncasecmp(argv[1], "add", 3)) {
return(handle_ioctl(1, socknr));
} else if (!strncasecmp(argv[1], "del", 3)) {
return(handle_ioctl(0, socknr));
} else
return(usage(argv[0]));
}