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#! @SHELL@
#
#
# Copyright 2000-2007 Double Precision, Inc.  See COPYING for
# distribution information.
#
# This is a short script to quickly generate a self-signed X.509 key for
# IMAP over SSL.  Normally this script would get called by an automatic
# package installation routine.

if test "@ssllib@" = "openssl"
then
	test -x @OPENSSL@ || exit 0
else
	test -x @CERTTOOL@ || exit 0
fi

prefix="@prefix@"

if test -f @certsdir@/imapd.pem
then
	echo "@certsdir@/imapd.pem already exists."
	exit 1
fi

umask 077
set -e

BITS="$BITS"

cleanup() {
	rm -f @certsdir@/imapd.pem
	rm -f @certsdir@/imapd.rand
	rm -f @certsdir@/imapd.key
	rm -f @certsdir@/imapd.cert
	exit 1
}

cd @certsdir@

if test "@ssllib@" = "openssl"
then
	cp /dev/null @certsdir@/imapd.pem
	chmod 600 @certsdir@/imapd.pem
	chown @mailuser@ @certsdir@/imapd.pem

	dd if=@RANDOMV@ of=@certsdir@/imapd.rand count=1 2>/dev/null
	@OPENSSL@ req -new -x509 -days 365 -nodes \
		  -config @sysconfdir@/imapd.cnf -out @certsdir@/imapd.pem -keyout @certsdir@/imapd.pem || cleanup
	@OPENSSL@ x509 -subject -dates -fingerprint -noout -in @certsdir@/imapd.pem || cleanup
	rm -f @certsdir@/imapd.rand
else
	if test "$BITS" = ""
	then
		BITS="high"
	fi
	cp /dev/null @certsdir@/imapd.key
	chmod 600 @certsdir@/imapd.key
	cp /dev/null @certsdir@/imapd.cert
	chmod 600 @certsdir@/imapd.cert
	cp /dev/null @certsdir@/imapd.pem
	chmod 600 @certsdir@/imapd.pem
	chown @mailuser@ @certsdir@/imapd.pem
	cp /dev/null @certsdir@/imapd.pem
	cp /dev/null @certsdir@/imapd.cert
	cp /dev/null @certsdir@/imapd.key

	@CERTTOOL@ --generate-privkey --sec-param=$BITS --outfile imapd.key
	@CERTTOOL@ --generate-self-signed --load-privkey imapd.key --outfile imapd.cert --template @sysconfdir@/imapd.cnf
	cat imapd.key imapd.cert >imapd.pem
	rm -f imapd.key imapd.cert
fi