static PyObject *
Channel_func_set_local_ip(Channel *self, PyObject *args)
{
char *ip;
struct in_addr addr4;
struct in6_addr addr6;
CHECK_CHANNEL(self);
if (!PyArg_ParseTuple(args, "s:set_local_ip", &ip)) {
return NULL;
}
if (ares_inet_pton(AF_INET, ip, &addr4) == 1) {
ares_set_local_ip4(self->channel, ntohl(addr4.s_addr));
} else if (ares_inet_pton(AF_INET6, ip, &addr6) == 1) {
ares_set_local_ip6(self->channel, addr6.s6_addr);
} else {
PyErr_SetString(PyExc_ValueError, "invalid IP address");
return NULL;
}
Py_RETURN_NONE;
}
CURLcode Curl_set_dns_local_ip4(struct Curl_easy *data,
const char *local_ip4)
{
#if (ARES_VERSION >= 0x010704)
struct in_addr a4;
if((!local_ip4) || (local_ip4[0] == 0)) {
a4.s_addr = 0; /* disabled: do not bind to a specific address */
}
else {
if(Curl_inet_pton(AF_INET, local_ip4, &a4) != 1) {
return CURLE_BAD_FUNCTION_ARGUMENT;
}
}
ares_set_local_ip4((ares_channel)data->state.resolver, ntohl(a4.s_addr));
return CURLE_OK;
#else /* c-ares version too old! */
(void)data;
(void)local_ip4;
return CURLE_NOT_BUILT_IN;
#endif
}