static int
parse_ipaddr(struct ipset_session *session,
enum ipset_opt opt, const char *str,
uint8_t family)
{
uint8_t m = family == AF_INET ? 32 : 128;
int aerr = EINVAL, err = 0, range = 0;
char *saved = strdup(str);
char *a, *tmp = saved;
struct addrinfo *info;
enum ipset_opt copt = opt == IPSET_OPT_IP ? IPSET_OPT_CIDR
: IPSET_OPT_CIDR2;
if (tmp == NULL)
return ipset_err(session,
"Cannot allocate memory to duplicate %s.",
str);
if ((a = cidr_separator(tmp)) != NULL) {
/* IP/mask */
*a++ = '\0';
if ((err = string_to_cidr(session, a, 0, m, &m)) != 0
|| (err = ipset_session_data_set(session, copt, &m)) != 0)
goto out;
} else if ((a = range_separator(tmp)) != NULL) {
/* IP-IP */
*a++ = '\0';
D("range %s", a);
range++;
}
if ((aerr = get_addrinfo(session, opt, tmp, &info, family)) != 0
|| !range)
goto out;
freeaddrinfo(info);
aerr = get_addrinfo(session, IPSET_OPT_IP_TO, a, &info, family);
out:
if (aerr != EINVAL)
/* getaddrinfo not failed */
freeaddrinfo(info);
else if (aerr)
err = -1;
free(saved);
return err;
}
/*
* Takes a url and returns an addrinfo struct and an open socket if we can
* connect. The addrinfo struct must be freed with freeaddrinfo(). Returns the
* socket on success, -1 on error.
*/
int open_socket(const struct http_url_t *url, struct addrinfo **addr)
{
trace("%s\n", "Getting address info");
int status;
if ((status = get_addrinfo(url, addr)) != 0) {
return status;
}
return new_connection(*addr);
}
