commit 0f942e810eb9eb31f77e13cc4c3f4d3b8165dbe8
author Jan Kundrát <jan.kundrat@cesnet.cz> Wed Feb 14 14:52:00 2018 +0100
committer Jan Kundrát <jan.kundrat@cesnet.cz> Wed Feb 14 14:55:47 2018 +0100
tree 5e68a7ed81ee102d0b6d325d3ebb220ae64c7998
parent fe8b078026c6ce701c5102628acc020baa464511

Use proper size for inet_ntop's buffer

The manpage suggests to use this macro. The old code was failing for
IPv6-mapped IPv4 addresses.

src/session_server.c

diff --git a/src/session_server.c b/src/session_server.c
index 5d376d7..1515fe5 100644
--- a/src/session_server.c
+++ b/src/session_server.c
@@ -352,7 +352,7 @@
                 ERRMEM;
             }
         } else if (saddr.ss_family == AF_INET6) {
-            *host = malloc(40);
+            *host = malloc(INET6_ADDRSTRLEN);
             if (*host) {
                 if (!inet_ntop(AF_INET6, ((struct sockaddr_in6 *)&saddr)->sin6_addr.s6_addr, *host, 40)) {
                     ERR("inet_ntop failed (%s).", strerror(errno));