From af79b74c8cef941edc8539e5da40df82970c3a82 Mon Sep 17 00:00:00 2001
From: kytv <kytv@mail.i2p>
Date: Sat, 30 Mar 2013 21:52:01 +0000
Subject: [PATCH] checkcerts.sh: cross platform support on *NIX
- function to convert dates to Julian to perform date calculation if GNU date is
not present.
---
tests/scripts/checkcerts.sh | 130 ++++++++++++++++++++++++++++--------
1 file changed, 101 insertions(+), 29 deletions(-)
diff --git a/tests/scripts/checkcerts.sh b/tests/scripts/checkcerts.sh
index 72aa9c53bd..bfa3e180f2 100755
--- a/tests/scripts/checkcerts.sh
+++ b/tests/scripts/checkcerts.sh
@@ -18,42 +18,90 @@ WARN=60
SOON=30
-if [ $(which openssl) ]; then
- OPENSSL=1
-elif [ $(which certtool) ]; then : ;else
- echo "ERROR: Neither certtool nor openssl were found..." >&2
- exit 1
-fi
+date2julian() {
+ # Julian date conversion adapted from a post (its code released into the public
+ # domain) by Tapani Tarvainen to comp.unix.shell (1998) for portability
+ # (e.g. using 'expr' instead of requiring Bash, ksh, or zsh).
+ # $1 = Month
+ # $2 = Day
+ # $3 = Year
-# This "grouping hack" is here to prevent errors from being displayed with the
-# original Bourne shell (Linux shells don't need the {}s
-if { date --help;} >/dev/null 2>&1 ; then
- HAVE_GNUDATE=1
-fi
+ if [ "${1}" != "" ] && [ "${2}" != "" ] && [ "${3}" != "" ]; then
+ ## Because leap years add a day at the end of February,
+ ## calculations are done from 1 March 0000 (a fictional year)
+ d2j_tmpmonth=$(expr 12 \* $3 + $1 - 3)
+
+ ## If it is not yet March, the year is changed to the previous year
+ d2j_tmpyear=$(expr ${d2j_tmpmonth} / 12)
+
+ ## The number of days from 1 March 0000 is calculated
+ ## and the number of days from 1 Jan. 4713BC is added
+ expr \( 734 \* ${d2j_tmpmonth} + 15 \) / 24 - 2 \* ${d2j_tmpyear} + ${d2j_tmpyear} / 4 - ${d2j_tmpyear} / 100 + ${d2j_tmpyear} / 400 + $2 + 1721119
+ else
+ # We *really* shouldn't get here
+ echo 0
+ fi
+}
+
+getmonth() {
+ case ${1} in
+ Jan)
+ echo 1
+ ;;
+ Feb)
+ echo 2
+ ;;
+ Mar)
+ echo 3
+ ;;
+ Apr)
+ echo 4
+ ;;
+ May)
+ echo 5
+ ;;
+ Jun)
+ echo 6
+ ;;
+ Jul)
+ echo 7
+ ;;
+ Aug)
+ echo 8
+ ;;
+ Sep)
+ echo 9
+ ;;
+ Oct)
+ echo 10
+ ;;
+ Nov)
+ echo 11
+ ;;
+ Dec)
+ echo 12
+ ;;
+ *)
+ echo 0
+ ;;
+ esac
+}
checkcert() {
if [ $OPENSSL ]; then
+ # OpenSSL's format: Mar 7 16:08:35 2022 GMT
DATA=$(openssl x509 -enddate -noout -in $1| cut -d'=' -f2-)
else
+ # Certtool's format: Mon Mar 07 16:08:35 UTC 2022
DATA=$(certtool -i < "$1" | sed -e '/Not\sAfter/!d' -e 's/^.*:\s\(.*\)/\1/')
+ # The formatting is normalized for passing to the date2julian function (if needed)
+ set -- `echo $DATA`
+ DATA="$2 $3 $4 $6 GMT"
fi
- # While this isn't strictly needed it'll ensure that the output is consistent,
- # regardles of the tool used. Dates/times are formatting according to OpenSSL's output
- # since this available by default on most systems.
- if [ -n "$HAVE_GNUDATE" ]; then
- LANG=C date -u -d "$(echo $DATA)" '+%b %d %H:%M:%S %Y GMT'
- else
- echo $DATA
- fi
+ echo $DATA
}
-compute_dates() {
- # Date computations currently depend on GNU date(1).
- # If run on a non-Linux system just print the expiration date.
- # TODO Cross-platform date calculation support
- if [ -n "$HAVE_GNUDATE" ]; then
- SECS=$(date -u -d "$EXPIRES" '+%s')
- DAYS="$(expr \( $SECS - $NOW \) / 86400)"
+print_status() {
if [ $DAYS -ge $SOON ]; then
echo "Expires in $DAYS days ($EXPIRES)"
elif [ $DAYS -eq 1 ]; then
@@ -73,14 +121,38 @@ compute_dates() {
echo "****** Check for $i failed, expired $DAYS days ago ($EXPIRES) ******"
FAIL=1
fi
+}
+
+compute_dates() {
+ if [ -n "$HAVE_GNUDATE" ]; then
+ SECS=$(date -u -d "$EXPIRES" '+%s')
+ DAYS="$(expr \( $SECS - $NOW \) / 86400)"
else
- echo $EXPIRES
+ set -- `echo $EXPIRES`
+ # date2julian needs the format mm dd yyyy
+ SECS=$(date2julian `getmonth $1` $2 $4)
+ DAYS=$(expr $SECS - $NOW)
fi
+ print_status
}
-cd `dirname $0`/../../installer/resources/certificates
+# This "grouping hack" is here to prevent errors from being displayed with the
+# original Bourne shell (Linux shells don't need the {}s
+if { date --help;} >/dev/null 2>&1 ; then
+ HAVE_GNUDATE=1
+ NOW=$(date -u '+%s')
+else
+ NOW=$(date2julian `date -u '+%m %d %Y'`)
+fi
-NOW=$(date -u '+%s')
+if [ $(which openssl) ]; then
+ OPENSSL=1
+elif [ $(which certtool) ]; then : ;else
+ echo "ERROR: Neither certtool nor openssl were found..." >&2
+ exit 1
+fi
+
+cd `dirname $0`/../../installer/resources/certificates
for i in *.crt
do
--
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