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Make sure date -r hits a dir readable

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When checking early for date flavors, there might be an edge case when
a directory with a referred file (for the date command) isn't readable
which might cause testssl.sh to not detect the date flavor correctly.

This fixes that by cd'ing to / in a subshell which should be cd'able
and readable under every platform.
This commit is contained in:
Dirk Wetter
2026-04-07 10:27:46 +02:00
parent 5958f063f6
commit ec95862790
1 changed files with 5 additions and 2 deletions
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7
testssl.sh
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@@ -478,14 +478,17 @@ HAS_FREEBSDDATE=false
HAS_OPENBSDDATE=false
if date -d @735275209 >/dev/null 2>&1; then
# FreeBSD's / MacOS' date doesn't reach this
if date -r @735275209 >/dev/null 2>&1; then
# Ubuntu >= 25.10
HAS_GNUDATE=true
elif LC_ALL=C date -r 735275209 2>&1 | grep -q "No such file"; then
# need to make sure we end up in a directory with read permission (see #3009)
elif (cd /; LC_ALL=C date -r 735275209 2>&1 | grep -q "No such file"); then
# e.g. Debian 24.04, Debian 11-13
HAS_GNUDATE=true
# OpenBSD treats this as a reference (as FreeBSD would do it)
elif date -r 735275209 >/dev/null 2>&1; then
# It can't do any conversion from a plain date output.
# OpenBSD date can't do any conversion from a plain date output
HAS_OPENBSDDATE=true
fi
fi