Fix Solaris by ensuring we use the IPv4 or IPv6 length

in any getnameinfo calls.
Jeremy
(This used to be commit 4d7badb0c44f287034f58d9a412e662c0fbecdc9)

3 files changed, 42 insertions, 6 deletions

diff --git a/source3/lib/interfaces.c b/source3/lib/interfaces.c
index 38abb9299b..01481c50e9 100644
--- a/source3/lib/interfaces.c
+++ b/source3/lib/interfaces.c
@@ -696,6 +696,16 @@ int get_interfaces(struct iface_struct *ifaces, int max_interfaces)
 #ifdef AUTOCONF_TEST
 /* this is the autoconf driver to test get_interfaces() */
 
+static socklen_t calc_sa_size(struct sockaddr *psa)
+{
+	socklen_t sl = sizeof(struct sockaddr_in);
+#if defined(HAVE_IPV6)
+	if (psa->sa_family == AF_INET6) {
+		salen = sizeof(struct sockaddr_in6);
+	}
+#endif
+}
+
  int main()
 {
 	struct iface_struct ifaces[MAX_INTERFACES];
@@ -710,22 +720,23 @@ int get_interfaces(struct iface_struct *ifaces, int max_interfaces)
 	for (i=0;i<total;i++) {
 		char addr[INET6_ADDRSTRLEN];
 		int ret;
+		socklen_t sl;
 		printf("%-10s ", ifaces[i].name);
 		addr[0] = '\0';
 		ret = getnameinfo((struct sockaddr *)&ifaces[i].ip,
-				sizeof(ifaces[i].ip),
+				calc_sa_size(&ifaces[i].ip),
 				addr, sizeof(addr),
 				NULL, 0, NI_NUMERICHOST);
 		printf("IP=%s ", addr);
 		addr[0] = '\0';
 		ret = getnameinfo((struct sockaddr *)&ifaces[i].netmask,
-				sizeof(ifaces[i].netmask),
+				calc_sa_size(&ifaces[i].netmask),
 				addr, sizeof(addr),
 				NULL, 0, NI_NUMERICHOST);
 		printf("NETMASK=%s ", addr);
 		addr[0] = '\0';
 		ret = getnameinfo((struct sockaddr *)&ifaces[i].bcast,
-				sizeof(ifaces[i].bcast),
+				calc_sa_size(&ifaces[i].bcast),
 				addr, sizeof(addr),
 				NULL, 0, NI_NUMERICHOST);
 		printf("BCAST=%s\n", addr);
diff --git a/source3/lib/system.c b/source3/lib/system.c
index 604228233c..fe4e700176 100644
--- a/source3/lib/system.c
+++ b/source3/lib/system.c
@@ -2545,3 +2545,27 @@ int sys_getpeereid( int s, uid_t *uid)
 	return -1;
 #endif
 }
+
+int sys_getnameinfo(const struct sockaddr *psa,
+			socklen_t salen,
+			char *host,
+			size_t hostlen,
+			char *service,
+			size_t servlen,
+			int flags)
+{
+	/*
+	 * For Solaris we must make sure salen is the
+	 * correct length for the incoming sa_family.
+	 */
+
+	if (salen == sizeof(struct sockaddr_storage)) {
+		salen = sizeof(struct sockaddr_in);
+#if defined(HAVE_IPV6)
+		if (psa->sa_family == AF_INET6) {
+			salen = sizeof(struct sockaddr_in6);
+		}
+#endif
+	}
+	return getnameinfo(psa, salen, host, hostlen, service, servlen, flags);
+}
diff --git a/source3/lib/util_sock.c b/source3/lib/util_sock.c
index bbcbcacb4a..b4fda54ebd 100644
--- a/source3/lib/util_sock.c
+++ b/source3/lib/util_sock.c
@@ -495,7 +495,7 @@ bool is_address_any(const struct sockaddr_storage *psa)
  Print out an IPv4 or IPv6 address from a struct sockaddr_storage.
 ****************************************************************************/
 
-char *print_sockaddr_len(char *dest,
+static char *print_sockaddr_len(char *dest,
 			size_t destlen,
 			const struct sockaddr_storage *psa,
 			socklen_t psalen)
@@ -503,7 +503,7 @@ char *print_sockaddr_len(char *dest,
 	if (destlen > 0) {
 		dest[0] = '\0';
 	}
-	(void)getnameinfo((const struct sockaddr *)psa,
+	(void)sys_getnameinfo((const struct sockaddr *)psa,
 			psalen,
 			dest, destlen,
 			NULL, 0,
@@ -519,7 +519,8 @@ char *print_sockaddr(char *dest,
 			size_t destlen,
 			const struct sockaddr_storage *psa)
 {
-	return print_sockaddr_len(dest, destlen, psa, sizeof(*psa));
+	return print_sockaddr_len(dest, destlen, psa,
+			sizeof(struct sockaddr_storage));
 }
 
 /****************************************************************************