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-rwxr-xr-xletsencrypt31
-rw-r--r--letsencryptauthorityx1.pem32
-rw-r--r--letsencryptauthorityx2.pem32
3 files changed, 89 insertions, 6 deletions
diff --git a/letsencrypt b/letsencrypt
index 4c932e4..7465378 100755
--- a/letsencrypt
+++ b/letsencrypt
@@ -11,13 +11,14 @@ WWW_USER=www-data
WWW_GROUP=www-data
ACME_WEBSERVER=acme-webserver
ACME_CLIENT=acme-slave
+CAfile=/usr/share/lets-encrypt/letsencryptauthorityx1.pem
declare COMMAND ACCOUNTKEY
declare -l GENKEY
declare RUNAS QUIET= DEBUG=
declare SRVCRT= CHAIN= CSR SRVKEY
-delcale -i MIN_AGE=0
+declare -i MIN_AGE=0
declare -l HASH=
declare SUBJECT=/
declare SAN=
@@ -168,7 +169,7 @@ elif [ "$COMMAND" = 'new-cert' ]; then
echo "Error: Missing --output" >&2
exit 1
fi
- if [ -s "$SRVCRT" ] && \
+ if [ -s "$SRVCRT" ] && [ $MIN_AGE -gt 0 ] && \
exp=$(openssl x509 -noout -enddate <"$SRVCRT" 2>/dev/null) && \
[ $(( $(date -d "${exp#*=}" +%s) - $(date +%s))) -gt $MIN_AGE ]; then
[ ! "$DEBUG" ] || echo "Expiration date ($(date -d"${exp#*=}")) is too far away, come back later." >&2
@@ -277,17 +278,35 @@ while read data; do
done >"$pipe"
if [ "$COMMAND" = 'new-cert' ]; then
- # TODO
- # Verify: dump and compare public keys
- # Valid cert, signed by the right CA
- # https://crt.sh/?q=cse-fresti.cse.chalmers.se&iCAID=7395
+ # https://crt.sh/?q=mail.fripost.org&iCAID=7395
+ # https://crt.sh/?spkisha1=$sha1
+
+ # Ensure the cert's pubkey matches that of the CSR, and that it's signed by the intended CA
+ if [ ! -s "$x509" ] ||
+ ! diff <(openssl req -in "$CSR" -pubkey -noout) \
+ <(openssl x509 -in "$x509" -pubkey -noout) >/dev/null ||
+ ! openssl verify -CAfile "$CAfile" -purpose sslserver -x509_strict <"$x509" >/dev/null; then
+ echo "Error: Got an invalid X.509 certificate from the ACME server!" >&2
+ exit 1
+ fi
# if it doesn't exist, create the file with mode 0644 minus the process's umask(2)
[ -e "$SRVCRT" ] || touch "$SRVCRT"
cat "$x509" >"$SRVCRT"
[ ! "$DEBUG" ] || openssl x509 -noout -text <"$SRVCRT"
+ if [ ! "$QUIET" ]; then
+ echo "X.509 certificate $SRVCRT has been updated or renewed"
+ echo
+ openssl x509 -noout \
+ -text -certopt no_header,no_version,no_pubkey,no_sigdump \
+ -fingerprint -sha256 <"$SRVCRT"
+ fi
+
for (( i=0; i<${#NOTIFY[@]}; i++ )); do
${NOTIFY[$i]}
done
+
+else
+ [ "$QUIET" ] || echo OK
fi
diff --git a/letsencryptauthorityx1.pem b/letsencryptauthorityx1.pem
new file mode 100644
index 0000000..22c095b
--- /dev/null
+++ b/letsencryptauthorityx1.pem
@@ -0,0 +1,32 @@
+-----BEGIN CERTIFICATE-----
+MIIFjTCCA3WgAwIBAgIRAOeTkL6SBwNJGF95dYHlyoMwDQYJKoZIhvcNAQELBQAw
+TzELMAkGA1UEBhMCVVMxKTAnBgNVBAoTIEludGVybmV0IFNlY3VyaXR5IFJlc2Vh
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+NbLc5mIjIk/kJ+RPD+chR+gJjy3Gh9xMNkDrZQKfsIO93hxTsZMmgZQ4c+vujC1M
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+d19lcUek4bjDY8/Ujb5/wfn2+Kk7z72SxWdekjtHOWBmKxqq8jDuuMw4ymg1g5n7
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+wC+FmxjgWPuyRNuLDAWK30mmpcJZ3CmD6dFtAi4h7H37
+-----END CERTIFICATE-----
diff --git a/letsencryptauthorityx2.pem b/letsencryptauthorityx2.pem
new file mode 100644
index 0000000..612b4a5
--- /dev/null
+++ b/letsencryptauthorityx2.pem
@@ -0,0 +1,32 @@
+-----BEGIN CERTIFICATE-----
+MIIFjTCCA3WgAwIBAgIRAJY2TKc4C+SL3JDGzeC33mgwDQYJKoZIhvcNAQELBQAw
+TzELMAkGA1UEBhMCVVMxKTAnBgNVBAoTIEludGVybmV0IFNlY3VyaXR5IFJlc2Vh
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+-----END CERTIFICATE----- \ No newline at end of file