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From e49f553aa8be21e5df72452e50af2e9f0b82ecad Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Petr=20P=C3=ADsa=C5=99?= <ppisar@redhat.com>
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Date: Wed, 23 May 2018 17:31:42 +0200
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Subject: [PATCH] Resolve specific socket addresses correctly
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Previous code did not formatted specific (not 0.0.0.0 or ::)
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correctly:
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$ perl -MHTTP::Daemon -e '$d=HTTP::Daemon->new(LocalAddr=>q{127.0.0.2}) or die; print $d->url, qq{\n}'
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Can't call method "sockhostname" without a package or object reference at /usr/share/perl5/vendor_perl/HTTP/Daemon.pm line 64.
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This patch also fixes formatting numerical IPv6 addresses. It seems
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that IO::Socket::IP::sockhostname() formats unresolvable addresses too.
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Signed-off-by: Petr Písař <ppisar@redhat.com>
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---
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lib/HTTP/Daemon.pm | 15 +++++++++++++--
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1 file changed, 13 insertions(+), 2 deletions(-)
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diff --git a/lib/HTTP/Daemon.pm b/lib/HTTP/Daemon.pm
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index 1e9d48e..216c73f 100644
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--- a/lib/HTTP/Daemon.pm
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+++ b/lib/HTTP/Daemon.pm
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@@ -61,12 +61,23 @@ sub url
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$url .= '[' . inet_ntop(AF_INET6, $addr) . ']';
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}
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else {
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- my $host = $addr->sockhostname;
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+ my $host = $self->sockhostname;
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+ # sockhostname() seems to return a stringified IP address if not
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+ # resolvable, then quote it for a port separator and an IPv6 zone separator.
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+ # But be paranoid for a case when it already contains a bracket.
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+ if (defined $host and $host =~ /:/) {
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+ if ($host =~ /[\[\]]/) {
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+ $host = undef;
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+ } else {
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+ $host =~ s/%/%25/g;
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+ $host = '[' . $host . ']';
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+ }
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+ }
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if (!defined $host) {
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if (sockaddr_family($addr) eq AF_INET6) {
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$host = '[' . inet_ntop(AF_INET6, $addr) . ']';
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} else {
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- $host = inet_ntop(AF_INET6, $addr);
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+ $host = inet_ntop(AF_INET, $addr);
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}
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}
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$url .= $host;
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--
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2.14.3
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