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From 5984f005f7a08feca52509658cff1c56d768e057 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: Mon, 1 Dec 2014 15:28:36 +0100
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Subject: [PATCH] t/op/taint.t: Perform SHA-256 algorithm by crypt() if default
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one is disabled
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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 crypt(3) call may return NULL. This is the case on FIPS-enabled
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platforms. Then "tainted crypt" test would fail.
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See RT#121591 for similar fix in t/op/crypt.t.
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Signed-off-by: Petr Písař <ppisar@redhat.com>
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Petr Pisar: Ported to 5.16.3.
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Signed-off-by: Petr Písař <ppisar@redhat.com>
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---
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t/op/taint.t | 14 +++++++++++++-
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1 file changed, 13 insertions(+), 1 deletion(-)
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diff --git a/t/op/taint.t b/t/op/taint.t
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index 9cea740..478e574 100644
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--- a/t/op/taint.t
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+++ b/t/op/taint.t
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@@ -1868,7 +1868,19 @@ foreach my $ord (78, 163, 256) {
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{
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# 59998
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- sub cr { my $x = crypt($_[0], $_[1]); $x }
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+ sub cr {
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+ # On platforms implementing FIPS mode, using a weak algorithm
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+ # (including the default triple-DES algorithm) causes crypt(3) to
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+ # return a null pointer, which Perl converts into undef. We assume
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+ # for now that all such platforms support glibc-style selection of
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+ # a different hashing algorithm.
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+ my $alg = ''; # Use default algorithm
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+ if ( !defined(crypt("ab", "cd")) ) {
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+ $alg = '$5$'; # Use SHA-256
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+ }
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+ my $x = crypt($_[0], $alg . $_[1]);
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+ $x
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+ }
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sub co { my $x = ~$_[0]; $x }
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my ($a, $b);
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$a = cr('hello', 'foo' . $TAINT);
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--
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1.9.3
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