- switch (subnet->type) {
- case SUBNET_MAC:
- snprintf(netstr, len, "%02hx:%02hx:%02hx:%02hx:%02hx:%02hx#%d",
- subnet->net.mac.address.x[0],
- subnet->net.mac.address.x[1],
- subnet->net.mac.address.x[2],
- subnet->net.mac.address.x[3],
- subnet->net.mac.address.x[4],
- subnet->net.mac.address.x[5],
- subnet->weight);
- break;
-
- case SUBNET_IPV4:
- snprintf(netstr, len, "%hu.%hu.%hu.%hu/%d#%d",
- subnet->net.ipv4.address.x[0],
- subnet->net.ipv4.address.x[1],
- subnet->net.ipv4.address.x[2],
- subnet->net.ipv4.address.x[3],
- subnet->net.ipv4.prefixlength,
- subnet->weight);
- break;
-
- case SUBNET_IPV6:
- snprintf(netstr, len, "%hx:%hx:%hx:%hx:%hx:%hx:%hx:%hx/%d#%d",
- ntohs(subnet->net.ipv6.address.x[0]),
- ntohs(subnet->net.ipv6.address.x[1]),
- ntohs(subnet->net.ipv6.address.x[2]),
- ntohs(subnet->net.ipv6.address.x[3]),
- ntohs(subnet->net.ipv6.address.x[4]),
- ntohs(subnet->net.ipv6.address.x[5]),
- ntohs(subnet->net.ipv6.address.x[6]),
- ntohs(subnet->net.ipv6.address.x[7]),
- subnet->net.ipv6.prefixlength,
- subnet->weight);
- break;
-
- default:
- logger(DEBUG_ALWAYS, LOG_ERR, "net2str() was called with unknown subnet type %d, exiting!", subnet->type);
- exit(1);
+ int result;
+ int prefixlength = -1;
+
+ switch(subnet->type) {
+ case SUBNET_MAC:
+ snprintf(netstr, len, "%02x:%02x:%02x:%02x:%02x:%02x",
+ subnet->net.mac.address.x[0],
+ subnet->net.mac.address.x[1],
+ subnet->net.mac.address.x[2],
+ subnet->net.mac.address.x[3],
+ subnet->net.mac.address.x[4],
+ subnet->net.mac.address.x[5]);
+ break;
+
+ case SUBNET_IPV4:
+ inet_ntop(AF_INET, &subnet->net.ipv4.address, netstr, len);
+ prefixlength = subnet->net.ipv4.prefixlength;
+
+ if(prefixlength == 32) {
+ prefixlength = -1;
+ }
+
+ break;
+
+ case SUBNET_IPV6: {
+ inet_ntop(AF_INET6, &subnet->net.ipv6.address, netstr, len);
+ prefixlength = subnet->net.ipv6.prefixlength;
+
+ if(prefixlength == 128) {
+ prefixlength = -1;
+ }
+
+ break;
+ }
+
+ default:
+ logger(DEBUG_ALWAYS, LOG_ERR, "net2str() was called with unknown subnet type %d, exiting!", subnet->type);
+ exit(1);
+ }
+
+ size_t used = strlen(netstr);
+ netstr += used;
+ len -= used;
+
+ if(prefixlength >= 0) {
+ result = snprintf(netstr, len, "/%d", prefixlength);
+ netstr += result;
+ len -= result;
+ }
+
+ if(subnet->weight != DEFAULT_WEIGHT) {
+ snprintf(netstr, len, "#%d", subnet->weight);