/* Looks up all ip-addresses of the host, returning them as a
comma-separated list when calling the callback. The host name may
already be an ip address, in which case it is returned directly. This uses
the system resolver. */
SshOperationHandle
ssh_tcp_get_host_addrs_by_name_system(const unsigned char *name,
SshLookupCallback callback,
void *context)
{
unsigned char *addrs;
addrs = ssh_tcp_get_host_addrs_by_name_sync(name);
if (addrs)
{
callback(SSH_TCP_OK, addrs, context);
ssh_free(addrs);
}
else
callback(SSH_TCP_NO_ADDRESS, NULL, context);
return NULL;
}
int main(int ac, char **av)
{
char *addrs, *addr, *name, *oname;
if (ac < 2)
name = oname = "www.ssh.fi";
else
name = oname = av[1];
/* map name to address; then map the address back to the name */
addrs = ssh_tcp_get_host_addrs_by_name_sync(oname);
if (addrs)
{
fprintf(stderr, "++ NAME=%s, ADDRS=%s\n", name, addrs);
addr = strtok(addrs, ",");
while (addr)
{
name = ssh_tcp_get_host_by_addr_sync(addr);
if (name)
{
fprintf(stderr, "++ ADDR=%s NAME=%s\n", addr, name);
ssh_xfree(name);
}
else
fprintf(stderr, "-- ADDR=%s NAME=none\n", addr);
addr = strtok(NULL, ",");
}
ssh_xfree(addrs);
}
else
fprintf(stderr, "-- NAME=%s, ADDRS=none\n", name);
/* do the same using the asyncronous interface */
ssh_tcp_get_host_addrs_by_name(oname, byaddr_cb, oname);
return 0;
}
