-int sockaddrcmp(sockaddr_t *a, sockaddr_t *b)
-{
- int result;
-cp
- result = a->sa.sa_family - b->sa.sa_family;
-
- if(result)
- return result;
-
- switch(a->sa.sa_family)
- {
- case AF_UNSPEC:
- return 0;
- case AF_INET:
- result = memcmp(&a->in.sin_addr, &b->in.sin_addr, sizeof(a->in.sin_addr));
- if(result)
- return result;
- return memcmp(&a->in.sin_port, &b->in.sin_port, sizeof(a->in.sin_port));
- case AF_INET6:
- result = memcmp(&a->in6.sin6_addr, &b->in6.sin6_addr, sizeof(a->in6.sin6_addr));
- if(result)
- return result;
- return memcmp(&a->in6.sin6_port, &b->in6.sin6_port, sizeof(a->in6.sin6_port));
- default:
- syslog(LOG_ERR, _("sockaddrcmp() was called with unknown address family %d, exitting!"), a->sa.sa_family);
- cp_trace();
- raise(SIGFPE);
- exit(0);
- }
-cp
+void sockaddr2str(const sockaddr_t *sa, char **addrstr, char **portstr) {
+ char address[NI_MAXHOST];
+ char port[NI_MAXSERV];
+ char *scopeid;
+ int err;
+
+ if(sa->sa.sa_family == AF_UNSPEC) {
+ if(addrstr)
+ *addrstr = xstrdup("unspec");
+ if(portstr)
+ *portstr = xstrdup("unspec");
+ return;
+ } else if(sa->sa.sa_family == AF_UNKNOWN) {
+ if(addrstr)
+ *addrstr = xstrdup(sa->unknown.address);
+ if(portstr)
+ *portstr = xstrdup(sa->unknown.port);
+ return;
+ }
+
+ err = getnameinfo(&sa->sa, SALEN(sa->sa), address, sizeof address, port, sizeof port, NI_NUMERICHOST | NI_NUMERICSERV);
+
+ if(err) {
+ logger(DEBUG_ALWAYS, LOG_ERR, "Error while translating addresses: %s", err == EAI_SYSTEM ? strerror(errno) : gai_strerror(err));
+ abort();
+ }
+
+ scopeid = strchr(address, '%');
+
+ if(scopeid)
+ *scopeid = '\0'; /* Descope. */
+
+ if(addrstr)
+ *addrstr = xstrdup(address);
+ if(portstr)
+ *portstr = xstrdup(port);
+}
+
+char *sockaddr2hostname(const sockaddr_t *sa) {
+ char *str;
+ char address[NI_MAXHOST] = "unknown";
+ char port[NI_MAXSERV] = "unknown";
+ int err;
+
+ if(sa->sa.sa_family == AF_UNSPEC) {
+ xasprintf(&str, "unspec port unspec");
+ return str;
+ } else if(sa->sa.sa_family == AF_UNKNOWN) {
+ xasprintf(&str, "%s port %s", sa->unknown.address, sa->unknown.port);
+ return str;
+ }
+
+ err = getnameinfo(&sa->sa, SALEN(sa->sa), address, sizeof address, port, sizeof port,
+ hostnames ? 0 : (NI_NUMERICHOST | NI_NUMERICSERV));
+ if(err) {
+ logger(DEBUG_ALWAYS, LOG_ERR, "Error while looking up hostname: %s", err == EAI_SYSTEM ? strerror(errno) : gai_strerror(err));
+ }
+
+ xasprintf(&str, "%s port %s", address, port);
+
+ return str;