+struct addrinfo *str2addrinfo(char *address, char *service, int socktype)
+{
+ struct addrinfo hint, *ai;
+ int err;
+
+ cp();
+
+ memset(&hint, 0, sizeof(hint));
+
+ hint.ai_family = addressfamily;
+ hint.ai_socktype = socktype;
+
+ err = getaddrinfo(address, service, &hint, &ai);
+
+ if(err) {
+ logger(DEBUG_ALWAYS, LOG_WARNING, _("Error looking up %s port %s: %s\n"), address,
+ service, gai_strerror(err));
+ return NULL;
+ }
+
+ return ai;
+}
+
+sockaddr_t str2sockaddr(char *address, char *port)
+{
+ struct addrinfo hint, *ai;
+ sockaddr_t result;
+ int err;
+
+ cp();
+
+ memset(&hint, 0, sizeof(hint));
+
+ hint.ai_family = AF_UNSPEC;
+ hint.ai_flags = AI_NUMERICHOST;
+ hint.ai_socktype = SOCK_STREAM;
+
+ err = getaddrinfo(address, port, &hint, &ai);
+
+ if(err || !ai) {
+ logger(DEBUG_ALWAYS, LOG_ERR, _("Error looking up %s port %s: %s\n"), address, port,
+ gai_strerror(err));
+ cp_trace();
+ raise(SIGFPE);
+ exit(0);
+ }
+
+ result = *(sockaddr_t *) ai->ai_addr;
+ freeaddrinfo(ai);
+
+ return result;
+}
+
+void sockaddr2str(sockaddr_t *sa, char **addrstr, char **portstr)
+{
+ char address[NI_MAXHOST];
+ char port[NI_MAXSERV];
+ char *scopeid;
+ int err;
+
+ cp();
+
+ 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"),
+ gai_strerror(err));
+ cp_trace();
+ raise(SIGFPE);
+ exit(0);
+ }
+
+ scopeid = strchr(address, '%');
+
+ if(scopeid)
+ *scopeid = '\0'; /* Descope. */
+
+ *addrstr = xstrdup(address);
+ *portstr = xstrdup(port);
+}
+
+char *sockaddr2hostname(sockaddr_t *sa)
+{
+ char *str;
+ char address[NI_MAXHOST] = "unknown";
+ char port[NI_MAXSERV] = "unknown";
+ int err;
+
+ cp();
+
+ 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"),
+ gai_strerror(err));
+ }
+
+ asprintf(&str, _("%s port %s"), address, port);
+
+ return str;
+}
+
+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:
+ logger(DEBUG_ALWAYS, LOG_ERR, _("sockaddrcmp() was called with unknown address family %d, exitting!"),
+ a->sa.sa_family);
+ cp_trace();
+ raise(SIGFPE);
+ exit(0);
+ }
+}
+
+void sockaddrunmap(sockaddr_t *sa)
+{
+ if(sa->sa.sa_family == AF_INET6 && IN6_IS_ADDR_V4MAPPED(&sa->in6.sin6_addr)) {
+ sa->in.sin_addr.s_addr = ((uint32_t *) & sa->in6.sin6_addr)[3];
+ sa->in.sin_family = AF_INET;
+ }
+}
+
+/* Subnet mask handling */
+
+int maskcmp(void *va, void *vb, int masklen, int len)