diff options
| -rw-r--r-- | networking/nslookup.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/networking/nslookup.c b/networking/nslookup.c index 8a820ce..2628711 100644 --- a/networking/nslookup.c +++ b/networking/nslookup.c @@ -133,14 +133,19 @@ static void set_default_dns(const char *server) _res.nsaddr_list[0] = lsa->u.sin; } #if ENABLE_FEATURE_IPV6 -// Hoping libc will handle an IPv4 address there too, -// if it so happens that family is indeed AF_INET -// if (lsa->u.sa.sa_family == AF_INET6) { + /* Hoped libc can cope with IPv4 address there too. + * No such luck, glibc 2.4 segfaults even with IPv6, + * maybe I misunderstand how to make glibc use IPv6 addr? + * (uclibc 0.9.31+ should work) */ + if (lsa->u.sa.sa_family == AF_INET6) { + // glibc neither SEGVs nor sends any dgrams with this + // (strace shows no socket ops): + //_res.nscount = 0; _res._u._ext.nscount = 1; /* store a pointer to part of malloc'ed lsa */ _res._u._ext.nsaddrs[0] = &lsa->u.sin6; /* must not free(lsa)! */ -// } + } #endif } |