37 lines
1.2 KiB
Diff
37 lines
1.2 KiB
Diff
From 956bda08f6183078f13b70f6aa27d0529a3ec20a Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Christian=20G=C3=B6ttsche?= <cgzones@googlemail.com>
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Date: Tue, 7 Jun 2022 19:00:35 +0200
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Subject: [PATCH] libselinux: restorecon: avoid printing NULL pointer
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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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The variable `curcon` is NULL in case the file has no current security
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context. Most C standard libraries handle it fine, avoid it nonetheless
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for standard conformance.
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Signed-off-by: Christian Göttsche <cgzones@googlemail.com>
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Acked-by: Nicolas Iooss <nicolas.iooss@m4x.org>
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---
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src/selinux_restorecon.c | 4 +++-
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1 file changed, 3 insertions(+), 1 deletion(-)
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diff --git a/src/selinux_restorecon.c b/src/selinux_restorecon.c
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index 66e6a4a2..2d24559f 100644
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--- a/src/selinux_restorecon.c
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+++ b/src/selinux_restorecon.c
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@@ -744,7 +744,9 @@ static int restorecon_sb(const char *pathname, const struct stat *sb,
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selinux_log(SELINUX_INFO,
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"%s %s from %s to %s\n",
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updated ? "Relabeled" : "Would relabel",
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- pathname, curcon, newcon);
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+ pathname,
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+ curcon ? curcon : "<no context>",
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+ newcon);
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if (flags->syslog_changes && !flags->nochange) {
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if (curcon)
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--
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2.27.0
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