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From 04453080a3a92071227fd79a039137f72fa82e15 Mon Sep 17 00:00:00 2001
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From: Andrea Claudi <aclaudi@redhat.com>
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Date: Wed, 12 Jun 2019 15:00:33 +0200
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Subject: [PATCH] ss: use [::] for any address/any family sockets
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Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1588122
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Upstream Status: RHEL-only
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commit d981824803999a339f4b8fb9ad36d9d5990d9eab
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Author: Andrea Claudi <aclaudi@redhat.com>
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Date: Wed Jun 12 14:49:07 2019 +0200
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ss: use [::] for any address/any family sockets
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commit aba9c23a6e1cb ("ss: enclose IPv6 address in brackets")
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brings in the unintended side effect of showing as "*" sockets
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listening to any address in any family. This is consistent with
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upstream iproute and RHEL 8 iproute version, but not with
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previous versions of RHEL 7 iproute.
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This commit partially reverts aba9c23a6e1cb using "[::]" for
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any family sockets when -f inet6 is used.
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Tested with
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# ss -ln -f inet6
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("ss: enclose IPv6 address in brackets")
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---
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misc/ss.c | 29 ++++++++++++-----------------
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1 file changed, 12 insertions(+), 17 deletions(-)
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diff --git a/misc/ss.c b/misc/ss.c
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index 6aaae1b5390e4..8f184fb929d31 100644
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--- a/misc/ss.c
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+++ b/misc/ss.c
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@@ -1090,25 +1090,20 @@ static void inet_addr_print(const inet_prefix *a, int port, unsigned int ifindex
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ap = format_host(AF_INET, 4, a->data);
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}
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} else {
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- if (!memcmp(a->data, &in6addr_any, sizeof(in6addr_any))) {
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- buf[0] = '*';
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- buf[1] = 0;
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- } else {
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- ap = format_host(a->family, 16, a->data);
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-
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- /* Numeric IPv6 addresses should be bracketed */
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- if (strchr(ap, ':')) {
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- snprintf(buf, sizeof(buf),
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- "[%s]", ap);
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- ap = buf;
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- }
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+ ap = format_host(a->family, 16, a->data);
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- est_len = strlen(ap);
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- if (est_len <= addr_width)
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- est_len = addr_width;
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- else
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- est_len = addr_width + ((est_len-addr_width+3)/4)*4;
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+ /* Numeric IPv6 addresses should be bracketed */
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+ if (strchr(ap, ':')) {
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+ snprintf(buf, sizeof(buf),
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+ "[%s]", ap);
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+ ap = buf;
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}
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+
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+ est_len = strlen(ap);
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+ if (est_len <= addr_width)
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+ est_len = addr_width;
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+ else
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+ est_len = addr_width + ((est_len-addr_width+3)/4)*4;
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}
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if (ifindex) {
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--
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2.20.1
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