void
vpn_user_init (struct config_data_vpn *vpn, char *seed, int len)
{
int d, d1;
struct config_data_vpn *p;
char *q;
struct msgbuf buf[2];
mp = mempool_new (0, 1, true);
d = newprocess ("vpn");
if (d < 0)
panic ("newprocess vpn");
d1 = msgopen ("ttyout");
if (d1 < 0)
panic ("msgopen ttyout");
msgsenddesc (d, d1);
msgsenddesc (d, d1);
msgclose (d1);
p = mempool_allocmem (mp, sizeof *p);
memcpy (p, vpn, sizeof *p);
q = mempool_allocmem (mp, len);
memcpy (q, seed, len);
setmsgbuf (&buf[0], p, sizeof *p, 0);
setmsgbuf (&buf[1], q, sizeof *q, 0);
if (msgsendbuf (d, 0, buf, 2))
panic ("vpn init failed");
mempool_freemem (mp, q);
mempool_freemem (mp, p);
msgclose (d);
}
void
sendex (char *buf)
{
unsigned char d[32];
int a, i;
a = msgopen ("recvex");
if (a < 0) {
printf ("msgopen failed.\n");
return;
}
memset (d, 0, 32);
printf ("sending buf %p len 0x%x recvbuf %p len 0x%lx\n",
buf, strlen (buf), d, (unsigned long)sizeof d);
if (msgsendbuf (a, 0, buf, strlen (buf), d, sizeof d)) {
printf ("msgsendbuf failed.\n");
msgclose (a);
return;
}
msgclose (a);
printf ("received: ");
for (i = 0; i < 32; i++)
printf ("0x%02x ", d[i]);
printf ("\n");
}
static void
callsub (int c, struct msgbuf *buf, int bufcnt)
{
int r;
for (;;) {
r = msgsendbuf (desc, c, buf, bufcnt);
if (r == 0)
break;
panic ("vpn msgsendbuf failed (%d)", c);
}
}