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From 7e63dd95957a264d15eefdda3ea9449a6c72eb86 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Adam=20Go=C5=82=C4=99biowski?= <adamg@pld-linux.org>
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Date: Wed, 14 Nov 2018 07:35:28 +0100
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Subject: [PATCH] extensions: format-security fixes in libip[6]t_icmp
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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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commit 61d6c3834de3 ("xtables: add 'printf' attribute to xlate_add")
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introduced support for gcc feature to check format string against passed
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argument. This commit adds missing bits to extenstions's libipt_icmp.c
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and libip6t_icmp6.c that were causing build to fail.
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Fixes: 61d6c3834de3 ("xtables: add 'printf' attribute to xlate_add")
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Signed-off-by: Adam Gołębiowski <adamg@pld-linux.org>
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Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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(cherry picked from commit 907e429d7548157016cd51aba4adc5d0c7d9f816)
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Signed-off-by: Phil Sutter <psutter@redhat.com>
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---
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extensions/libip6t_icmp6.c | 4 ++--
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extensions/libipt_icmp.c | 2 +-
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2 files changed, 3 insertions(+), 3 deletions(-)
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diff --git a/extensions/libip6t_icmp6.c b/extensions/libip6t_icmp6.c
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index 45a71875722c4..cc7bfaeb72fd7 100644
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--- a/extensions/libip6t_icmp6.c
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+++ b/extensions/libip6t_icmp6.c
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@@ -230,7 +230,7 @@ static unsigned int type_xlate_print(struct xt_xlate *xl, unsigned int icmptype,
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type_name = icmp6_type_xlate(icmptype);
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if (type_name) {
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- xt_xlate_add(xl, type_name);
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+ xt_xlate_add(xl, "%s", type_name);
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} else {
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for (i = 0; i < ARRAY_SIZE(icmpv6_codes); ++i)
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if (icmpv6_codes[i].type == icmptype &&
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@@ -239,7 +239,7 @@ static unsigned int type_xlate_print(struct xt_xlate *xl, unsigned int icmptype,
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break;
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if (i != ARRAY_SIZE(icmpv6_codes))
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- xt_xlate_add(xl, icmpv6_codes[i].name);
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+ xt_xlate_add(xl, "%s", icmpv6_codes[i].name);
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else
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return 0;
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}
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diff --git a/extensions/libipt_icmp.c b/extensions/libipt_icmp.c
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index 5418997668d4c..e76257c54708c 100644
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--- a/extensions/libipt_icmp.c
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+++ b/extensions/libipt_icmp.c
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@@ -236,7 +236,7 @@ static unsigned int type_xlate_print(struct xt_xlate *xl, unsigned int icmptype,
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if (icmp_codes[i].type == icmptype &&
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icmp_codes[i].code_min == code_min &&
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icmp_codes[i].code_max == code_max) {
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- xt_xlate_add(xl, icmp_codes[i].name);
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+ xt_xlate_add(xl, "%s", icmp_codes[i].name);
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return 1;
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}
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}
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--
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2.21.0
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