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From: Ken Brown <kbrown@sourceware.org> To: cygwin-cvs@sourceware.org Subject: [newlib-cygwin] Cygwin: getifaddrs: fix address family for IPv6 netmasks Date: Wed, 28 Jul 2021 11:45:33 +0000 (GMT) [thread overview] Message-ID: <20210728114533.8E6E93835825@sourceware.org> (raw) https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=c08ee10d6b9e9dc72c32387d42f3c55441657fdb commit c08ee10d6b9e9dc72c32387d42f3c55441657fdb Author: Ken Brown <kbrown@cornell.edu> Date: Mon Jul 26 08:59:09 2021 -0400 Cygwin: getifaddrs: fix address family for IPv6 netmasks The code in net.cc:get_ifs that sets the netmask omitted setting the address family in the IPv6 case. Fix this by setting it to AF_INET6. Partially addresses: https://cygwin.com/pipermail/cygwin/2021-July/248970.html Diff: --- winsup/cygwin/net.cc | 1 + 1 file changed, 1 insertion(+) diff --git a/winsup/cygwin/net.cc b/winsup/cygwin/net.cc index cec0a70cc..67dd7fc04 100644 --- a/winsup/cygwin/net.cc +++ b/winsup/cygwin/net.cc @@ -1869,6 +1869,7 @@ get_ifs (ULONG family) if (prefix < 32) if_sin6->sin6_addr.s6_addr32[cnt] <<= 32 - prefix; } + if_sin6->sin6_family = AF_INET6; break; } ifp->ifa_ifa.ifa_netmask = (struct sockaddr *) &ifp->ifa_netmask;
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