+ASN1_OCTET_STRING *a2i_IPADDRESS_NC(const char *ipasc)
+ {
+ ASN1_OCTET_STRING *ret = NULL;
+ unsigned char ipout[32];
+ char *iptmp = NULL, *p;
+ int iplen1, iplen2;
+ p = strchr(ipasc,'/');
+ if (!p)
+ return NULL;
+ iptmp = BUF_strdup(ipasc);
+ if (!iptmp)
+ return NULL;
+ p = iptmp + (p - ipasc);
+ *p++ = 0;
+
+ iplen1 = a2i_ipadd(ipout, iptmp);
+
+ if (!iplen1)
+ goto err;
+
+ iplen2 = a2i_ipadd(ipout + iplen1, p);
+
+ OPENSSL_free(iptmp);
+ iptmp = NULL;
+
+ if (!iplen2 || (iplen1 != iplen2))
+ goto err;
+
+ ret = ASN1_OCTET_STRING_new();
+ if (!ret)
+ goto err;
+ if (!ASN1_OCTET_STRING_set(ret, ipout, iplen1 + iplen2))
+ goto err;
+
+ return ret;
+
+ err:
+ if (iptmp)
+ OPENSSL_free(iptmp);
+ if (ret)
+ ASN1_OCTET_STRING_free(ret);
+ return NULL;
+ }
+
+
+int a2i_ipadd(unsigned char *ipout, const char *ipasc)
+ {
+ /* If string contains a ':' assume IPv6 */
+
+ if (strchr(ipasc, ':'))
+ {
+ if (!ipv6_from_asc(ipout, ipasc))
+ return 0;
+ return 16;
+ }
+ else
+ {
+ if (!ipv4_from_asc(ipout, ipasc))
+ return 0;
+ return 4;
+ }
+ }
+