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dyntls/contrib/acme/letsencrypt_master.sh

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#!/bin/sh
# letsencrypt.sh - a simple shell implementation for the acme protocol
# Copyright (C) 2015 Gerhard Heift
# Copyright (C) 2016-2025 Attila Bruncsak
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
CADIR="https://api.test4.buypass.no/acme/directory"
CADIR="https://acme-staging-v02.api.letsencrypt.org/directory"
# Prefix the following line with "# letsencrypt-production-server #", to use
# the staging server of letsencrypt. The staging server has lower rate limits,
# but does not issue valid certificates. To automatically remove the comment
# again on commiting the file, add the filter to your git config by running
# git config filter.production-server.clean misc/filter-production-server
CADIR="https://api.buypass.com/acme/directory"
CADIR="https://acme-v02.api.letsencrypt.org/directory"
# global variables:
# base64url encoded JSON nonce, generated from Replay-Nonce header
# see gen_protected()
PROTECTED=
# base64url encoded JSON request object
PAYLOAD=
# base64url encoded signature of PROTECTED and PAYLOAD
# see also gen_signature()
SIGNATURE=
# the account key used to send the requests and to verify the domain challenges
ACCOUNT_KEY=
# the JSON Web Key is the representation of the key as JSON object
ACCOUNT_JWK=
# the JSON object to specify the signature format
ACCOUNT_ID=
# the thumbprint is the checksum of the JWK and is used for the challenges
ACCOUNT_THUMB=
# the private key, which should be signed by the CA
SERVER_KEY=
# the certificate signing request, which sould be used
SERVER_CSR=
# the location, where the certificate should be stored
SERVER_CERT=
# the location, where the certificate with the signing certificate(s) should be stored
SERVER_FULL_CHAIN=
# the location, where the signing certificate(s) should be stored
SERVER_SIGNING_CHAIN=
# selection of the signing chain
SIGNING_CHAIN_SELECTION=0
# the e-mail address to be used with the account key, only needed if account
# key is not yet registred
ACCOUNT_EMAIL=
# a list of domains, which should be assigned to the certificate
DOMAINS=
# a list of domains, challenge uri, token and authorization uri
DOMAIN_DATA=
# the directory, where to push the response
# $DOMAIN or ${DOMAIN} will be replaced with the actual domain
WEBDIR=
# the script to be called to push the response to a remote server
PUSH_TOKEN=
# the script to be called to push the response to a remote server needs the commit feature
PUSH_TOKEN_COMMIT=
# set the option of the preferred IP family for connecting to the ACME server
IPV_OPTION=
# the challenge type, can be dns-01 or http-01 (default)
CHALLENGE_TYPE="http-01"
# the date of the that version
VERSION_DATE="2025-12-01"
# The meaningful User-Agent to help finding related log entries in the ACME server log
USER_AGENT="bruncsak/ght-acme.sh $VERSION_DATE"
LOGLEVEL=1
# utility functions
tolower() {
printf '%s' "$*" | tr A-Z a-z
}
HexadecimalStringToOctalEscapeSequence() {
tr '[A-F]' '[a-f]' "$@" | tr -d '\r\n' |
sed -e 's/[^0-9a-f]//g; s/^\(\(..\)\{0,\}\).$/\1/;
s/\([0-9a-f]\)\([0-9a-f]\)/\1_\2/g; s/$/\\c/;
s/_0/o0/g; s/_1/o1/g; s/_2/o2/g; s/_3/o3/g;
s/_4/o4/g; s/_5/o5/g; s/_6/o6/g; s/_7/o7/g;
s/_8/i0/g; s/_9/i1/g; s/_a/i2/g; s/_b/i3/g;
s/_c/i4/g; s/_d/i5/g; s/_e/i6/g; s/_f/i7/g;
s/0o/\\000/g; s/0i/\\001/g; s/1o/\\002/g; s/1i/\\003/g;
s/2o/\\004/g; s/2i/\\005/g; s/3o/\\006/g; s/3i/\\007/g;
s/4o/\\010/g; s/4i/\\011/g; s/5o/\\012/g; s/5i/\\013/g;
s/6o/\\014/g; s/6i/\\015/g; s/7o/\\016/g; s/7i/\\017/g;
s/8o/\\020/g; s/8i/\\021/g; s/9o/\\022/g; s/9i/\\023/g;
s/ao/\\024/g; s/ai/\\025/g; s/bo/\\026/g; s/bi/\\027/g;
s/co/\\030/g; s/ci/\\031/g; s/do/\\032/g; s/di/\\033/g;
s/eo/\\034/g; s/ei/\\035/g; s/fo/\\036/g; s/fi/\\037/g;
'
}
hex2bin() {
xxd -r -p
# echo $ECHOESCFLAG "`HexadecimalStringToOctalEscapeSequence`"
}
base64url() {
openssl base64 | tr '+/' '-_' | tr -d '\r\n='
}
log() {
if [ "$LOGLEVEL" -gt 0 ]; then
echo "$@" >& 2
fi
}
dbgmsg() {
if [ "$LOGLEVEL" -gt 1 ]; then
echo "$@" >& 2
fi
}
errmsg() {
echo "$@" >& 2
}
err_exit() {
RETCODE="$?"
[ -n "$2" ] && RETCODE="$2"
[ -n "$1" ] && printf "%s\n" "$1" >& 2
exit "$RETCODE"
}
required_commands() {
REQUIRED_COMMANDS="basename cat cp rm sed grep egrep fgrep tr mktemp expr tail xxd openssl"
if [ "$USE_WGET" = yes ] ;then
REQUIRED_COMMANDS="$REQUIRED_COMMANDS wget"
else
REQUIRED_COMMANDS="$REQUIRED_COMMANDS curl"
fi
for command in $REQUIRED_COMMANDS ;do
command -v $command > /dev/null || err_exit "The command '$command' is required to run $PROGNAME"
done
}
validate_domain() {
DOMAIN_IN="$1"
if [ "$DOMAIN_IN" = _ ]; then
return 1
fi
DOMAIN_OUT="`printf "%s\n" "$DOMAIN_IN" | sed -e 's/^...$/!/; s/^.\{254,\}$/!/; s/^'"$DOMAIN_EXTRA_PAT"'\([a-zA-Z0-9]\([-a-zA-Z0-9]\{0,61\}[a-zA-Z0-9]\)\{0,1\}\.\)\{1,\}\([a-zA-Z]\([-a-zA-Z0-9]\{0,61\}[a-zA-Z]\)\)$/_/;'`"
if [ "$DOMAIN_OUT" = _ ]; then
return 0
else
return 1
fi
}
handle_wget_exit() {
WGET_EXIT="$1"
WGET_URI="$2"
if [ "$WGET_EXIT" -ne 0 -a "$WGET_EXIT" -ne 8 -o -s "$WGET_OUT" ]; then
echo "error while making a web request to \"$WGET_URI\"" >& 2
echo "wget exit status: $WGET_EXIT" >& 2
case "$WGET_EXIT" in
# see man wget "EXIT STATUS"
4) echo " Network failure" >& 2;;
5) echo " SSL verification failure" >& 2;;
8) echo " Server issued an error response" >& 2;;
esac
cat "$WGET_OUT" >& 2
cat "$RESP_HEABOD" >& 2
exit 1
elif [ "$WGET_EXIT" -eq 8 -a ! -s "$RESP_HEABOD" ] ;then
echo "error while making a web request to \"$WGET_URI\"" >& 2
echo "wget exit status: $WGET_EXIT" >& 2
err_exit "Server issued an error response and no error document returned and no --content-on-error flag available. Upgrade your wget or use curl instead." 1
fi
tr -d '\r' < "$RESP_HEABOD" | sed -e '/^$/,$d' > "$RESP_HEADER"
tr -d '\r' < "$RESP_HEABOD" | sed -e '1,/^$/d' > "$RESP_BODY"
}
curl_return_text()
{
CURL_EXIT="$1"
case "$CURL_EXIT" in
# see man curl "EXIT CODES"
3) TXT=", malformed URI" ;;
6) TXT=", could not resolve host" ;;
7) TXT=", failed to connect" ;;
28) TXT=", operation timeout" ;;
35) TXT=", SSL connect error" ;;
52) TXT=", the server did not reply anything" ;;
56) TXT=", failure in receiving network data" ;;
*) TXT="" ;;
esac
printf "curl return status: %d%s" "$1" "$TXT"
}
curl_loop()
{
CURL_ACTION="$1"; shift
loop_count=0
pluriel=""
while : ;do
dbgmsg "About making a web request to \"$CURL_ACTION\""
curl "$@"
CURL_RETURN_CODE="$?"
[ "$loop_count" -ge 20 ] && break
case "$CURL_RETURN_CODE" in
6) ;;
7) ;;
28) ;;
35) ;;
52) ;;
56) ;;
*) break ;;
esac
loop_count=$((loop_count + 1 ))
dbgmsg "While making a web request to \"$CURL_ACTION\" sleeping $loop_count second$pluriel before retry due to `curl_return_text $CURL_RETURN_CODE`"
sleep "$loop_count"
pluriel="s"
done
if [ "$CURL_RETURN_CODE" -ne 0 ] ;then
errmsg "While making a web request to \"$CURL_ACTION\" error exiting due to `curl_return_text $CURL_RETURN_CODE` (retry number: $loop_count)"
exit "$CURL_RETURN_CODE"
else
dbgmsg "While making a web request to \"$CURL_ACTION\" continuing due to `curl_return_text $CURL_RETURN_CODE`"
fi
}
handle_openssl_exit() {
OPENSSL_EXIT=$1
OPENSSL_ACTION=$2
if [ "$OPENSSL_EXIT" "!=" 0 ]; then
echo "error while $OPENSSL_ACTION" >& 2
echo "openssl exit status: $OPENSSL_EXIT" >& 2
cat "$OPENSSL_ERR" >& 2
exit 1
fi
}
fetch_http_status() {
HTTP_STATUS="`sed -e '/^HTTP\// !d; s/^HTTP\/[0-9.]\{1,\} *\([^ ]*\).*$/\1/' "$RESP_HEADER" | tail -n 1`"
}
check_http_status() {
[ "$HTTP_STATUS" = "$1" ]
}
check_acme_error() {
fgrep -q "urn:ietf:params:acme:error:$1" "$RESP_BODY"
}
unhandled_response() {
echo "unhandled response while $1" >& 2
echo >& 2
cat "$RESP_HEADER" "$RESP_BODY" >& 2
echo >& 2
exit 1
}
show_error() {
if [ -n "$1" ]; then
echo "error while $1" >& 2
fi
ERR_TYPE="`tr -d '\r\n' < "$RESP_BODY" | sed -e 's/.*"type": *"\([^"]*\)".*/\1/'`"
ERR_DETAILS="`tr -d '\r\n' < "$RESP_BODY" | sed -e 's/.*"detail": *"\([^"]*\)".*/\1/'`"
echo " $ERR_DETAILS ($ERR_TYPE)" >& 2
}
header_field_value() {
grep -i -e "^$1:.*$2" "$RESP_HEADER" | sed -e 's/^[^:]*: *//' | tr -d '\r\n'
}
fetch_next_link() {
header_field_value Link ';rel="next"' | sed -s 's/^.*<\(.*\)>.*$/\1/'
}
fetch_alternate_link() {
header_field_value Link ';rel="alternate"' | sed -s 's/^.*<\(.*\)>.*$/\1/'
}
fetch_location() {
header_field_value Location
}
# retrieve the nonce from the response header of the actual request for the forthcomming POST request
extract_nonce() {
new_nonce="`header_field_value Replay-Nonce`"
if [ -n "$new_nonce" ] ;then
# Log if we had unnecesseraily multiple nonces, but use always the latest nonce
[ -n "$NONCE" ] && log "droping unused nonce: $NONCE"
NONCE="$new_nonce"
dbgmsg " new nonce: $NONCE"
else
dbgmsg "no new nonce"
fi
}
retry_after() {
header_field_value Retry-After
}
sleep_retryafter() {
RETRY_AFTER="`retry_after`"
if printf '%s' "$RETRY_AFTER" | egrep -s -q -e '^[1-9][0-9]*$' ;then
if [ "$RETRY_AFTER" -gt 61 ] ;then
log "Too big Retry-After header field value: $RETRY_AFTER"
RETRY_AFTER=61
fi
[ "$RETRY_AFTER" -eq 1 ] && pluriel="" || pluriel="s"
log "sleeping $RETRY_AFTER second$pluriel"
sleep $RETRY_AFTER
else
log "Could not retrieve expected Retry-After header field value: $RETRY_AFTER"
sleep 1
fi
}
server_overload() {
if check_http_status 503 && check_acme_error rateLimited ;then
log "busy server rate limit condition"
sleep_retryafter
return 0
else
return 1
fi
}
server_request() {
dbgmsg "server_request: $1 $2"
if [ "$USE_WGET" != yes ] ;then
if [ -n "$2" ] ;then
curl_loop "$1" $CURLEXTRAFLAG -s $IPV_OPTION -A "$USER_AGENT" -D "$RESP_HEADER" -o "$RESP_BODY" -H "Content-type: application/jose+json" -d "$2" "$1"
else
curl_loop "$1" $CURLEXTRAFLAG -s $IPV_OPTION -A "$USER_AGENT" -D "$RESP_HEADER" -o "$RESP_BODY" "$1"
fi
else
if [ -n "$2" ] ;then
wget $WGETEXTRAFLAG -q $IPV_OPTION -U "$USER_AGENT" --retry-connrefused --save-headers $WGETCOEFLAG -O "$RESP_HEABOD" --header="Content-type: application/jose+json" --post-data="$2" "$1" > "$WGET_OUT" 2>& 1
else
wget $WGETEXTRAFLAG -q $IPV_OPTION -U "$USER_AGENT" --retry-connrefused --save-headers $WGETCOEFLAG -O "$RESP_HEABOD" "$1" > "$WGET_OUT" 2>& 1
fi
handle_wget_exit $? "$1"
fi
fetch_http_status
}
request_acme_server() {
while : ;do
server_request "$1" "$2"
extract_nonce
server_overload || return
done
}
# generate the PROTECTED variable, which contains a nonce retrieved from the
# server in the Replay-Nonce header
gen_protected(){
if [ -z "$NONCE" ]; then
dbgmsg "fetch new nonce"
send_get_req "$NEWNONCEURL"
[ -n "$NONCE" ] || err_exit "could not fetch new nonce"
fi
printf '%s' '{"alg":"RS256",'"$ACCOUNT_ID"',"nonce":"'"$NONCE"'","url":"'"$1"'"}'
}
# generate the signature for the request
gen_signature() {
printf '%s' "$1" |
openssl dgst -sha256 -binary -sign "$ACCOUNT_KEY" 2> "$OPENSSL_ERR"
handle_openssl_exit "$?" "signing request"
}
# helper functions to create the json web key object
key_get_modulus(){
openssl rsa -in "$1" -modulus -noout > "$OPENSSL_OUT" 2> "$OPENSSL_ERR"
handle_openssl_exit $? "extracting account key modulus"
sed -e 's/^Modulus=//' < "$OPENSSL_OUT" \
| hex2bin \
| base64url
}
key_get_exponent(){
openssl rsa -in "$1" -text -noout > "$OPENSSL_OUT" 2> "$OPENSSL_ERR"
handle_openssl_exit $? "extracting account key exponent"
sed -e '/^publicExponent: / !d; s/^publicExponent: [0-9]* \{1,\}(\(.*\)).*$/\1/;s/^0x\([0-9a-fA-F]\)\(\([0-9a-fA-F][0-9a-fA-F]\)*\)$/0x0\1\2/;s/^0x\(\([0-9a-fA-F][0-9a-fA-F]\)*\)$/\1/' \
< "$OPENSSL_OUT" \
| hex2bin \
| base64url
}
# make a request to the specified URI
# the payload is signed by the ACCOUNT_KEY
# the response header is stored in the file $RESP_HEADER, the body in the file $RESP_BODY
send_req_no_kid(){
URI="$1"
PAYLOAD="`printf '%s' "$2" | base64url`"
while : ;do
PROTECTED="`gen_protected "$URI" | base64url`"
SIGNATURE="`gen_signature $PROTECTED.$PAYLOAD | base64url`"
DATA='{"protected":"'"$PROTECTED"'","payload":"'"$PAYLOAD"'","signature":"'"$SIGNATURE"'"}'
# Use only once a nonce
NONCE=""
request_acme_server "$URI" "$DATA"
if ! check_http_status 400; then
return
elif ! check_acme_error badNonce ;then
return
fi
if [ -z "$BAD_NONCE_MSG" ] ;then
BAD_NONCE_MSG=yes
echo "badNonce warning: other than extrem load on the ACME server," >& 2
echo "this is mostly due to multiple client egress IP addresses," >& 2
echo "including working IPv4 and IPv6 addresses on dual family systems." >& 2
echo "In that case as a workaround please try to restrict the egress" >& 2
echo "IP address with the -4 or -6 command line option on the script." >& 2
echo "This message is just a warning, continuing safely." >& 2
fi
# Bad nonce condition. Here we do not sleep to be nice, just loop immediately.
# The error cannot be on the client side, since it is guaranted that we used the latest available nonce.
done
}
send_req(){
URI="$1"
[ -z "$KID" ] && register_account_key retrieve_kid
send_req_no_kid "$1" "$2"
}
send_get_req(){
request_acme_server "$1"
}
pwncheck(){
server_request "https://v1.pwnedkeys.com/$1"
if check_http_status 404; then
log "pwnedkeys.com claims: $2 is not compromised"
return 0
elif check_http_status 200; then
echo "pwnedkeys.com claims: $2 is compromised, fingerprint: $1" >& 2
return 1
fi
unhandled_response "pwncheck"
}
pkey_hex_digest(){
openssl dgst -sha256 -hex "$1" > "$OPENSSL_OUT" 2> "$OPENSSL_ERR"
handle_openssl_exit $? "public key DER hexdigest"
sed -e 's/^.*= *//' "$OPENSSL_OUT"
}
pwnedkey_req_check(){
[ "$PWNEDKEY_CHECK" = no ] && return
openssl req -in "$1" -noout -pubkey > "$OPENSSL_OUT" 2> "$OPENSSL_ERR"
handle_openssl_exit $? "extracting request public key"
cp "$OPENSSL_OUT" "$OPENSSL_IN"
if ! openssl pkey -in "$OPENSSL_IN" -pubin -outform der -pubout > "$OPENSSL_OUT" 2> "$OPENSSL_ERR" ;then
# On old openssl there is no EC key. There we default to RSA.
openssl rsa -in "$OPENSSL_IN" -pubin -outform der -pubout > "$OPENSSL_OUT" 2> "$OPENSSL_ERR"
fi
handle_openssl_exit $? "request public key to DER"
cp "$OPENSSL_OUT" "$OPENSSL_IN"
pwncheck "`pkey_hex_digest "$OPENSSL_IN"`" "$2"
}
pwnedkey_key_check(){
[ "$PWNEDKEY_CHECK" = no ] && return
if ! openssl ec -in "$1" -outform der -pubout > "$OPENSSL_OUT" 2> "$OPENSSL_ERR" ;then
openssl rsa -in "$1" -outform der -pubout > "$OPENSSL_OUT" 2> "$OPENSSL_ERR"
fi
handle_openssl_exit $? "public key to DER"
cp "$OPENSSL_OUT" "$OPENSSL_IN"
pwncheck "`pkey_hex_digest "$OPENSSL_IN"`" "$2"
}
# account key handling
load_account_key(){
[ -n "$ACCOUNT_KEY" ] || err_exit "no account key specified"
[ -r "$ACCOUNT_KEY" ] || err_exit "could not read account key"
openssl rsa -in "$ACCOUNT_KEY" -noout > "$OPENSSL_OUT" 2> "$OPENSSL_ERR"
handle_openssl_exit $? "opening account key"
ACCOUNT_JWK='{"e":"'"`key_get_exponent $ACCOUNT_KEY`"'","kty":"RSA","n":"'"`key_get_modulus $ACCOUNT_KEY`"'"}'
ACCOUNT_ID='"jwk":'"$ACCOUNT_JWK"
ACCOUNT_THUMB="`printf '%s' "$ACCOUNT_JWK" | openssl dgst -sha256 -binary | base64url`"
if [ -z "$1" ] ;then
if [ "$ACCOUNT_KEY" = "$SERVER_KEY" ] ;then
# We should allow revoking with compromised certificate key too
pwnedkey_key_check "$ACCOUNT_KEY" "server key as account key" || log "revoking certificate with compromised key"
else
pwnedkey_key_check "$ACCOUNT_KEY" "account key" || exit
fi
fi
}
get_one_url(){
if ! egrep -s -q -e '"'"$1"'"' "$RESP_BODY" ;then
cat "$RESP_BODY" >& 2
err_exit "Cannot retrieve URL for $1 ACME protocol function from the directory $CADIR" 1
fi
tr -d ' \r\n' < "$RESP_BODY" | sed -e 's/.*"'"$1"'":"\([^"]*\)".*/\1/'
}
get_urls(){
if [ "$USE_WGET" = yes ] ;then
WGETCOEFLAG='--content-on-error'
wget --help | egrep -s -q -e "$WGETCOEFLAG" || WGETCOEFLAG=''
fi
send_get_req "$CADIR"
if ! check_http_status 200 ;then
unhandled_response "fetching directory URLs"
fi
NEWACCOUNTURL="`get_one_url newAccount`"
REVOKECERTURL="`get_one_url revokeCert`"
KEYCHANGEURL="`get_one_url keyChange`"
NEWNONCEURL="`get_one_url newNonce`"
NEWORDERURL="`get_one_url newOrder`"
}
orders_url() {
tr -d ' \r\n' < "$RESP_BODY" | sed -e '/"orders":"/ !d; s/.*"orders":"\([^"]*\)".*/\1/'
}
orders_list() {
tr -d ' \r\n' < "$RESP_BODY" | sed -e 's/^.*"orders":\[\([^]]*\)\].*$/\1/' | tr -d '"' | tr ',' ' '
}
register_account_key(){
[ -n "$NEWACCOUNTURL" ] || get_urls
if [ -n "$ACCOUNT_EMAIL" ] ;then
NEW_REG='{"termsOfServiceAgreed":true,"contact":["mailto:'"$ACCOUNT_EMAIL"'"]}'
else
NEW_REG='{"onlyReturnExisting":true}'
fi
send_req_no_kid "$NEWACCOUNTURL" "$NEW_REG"
if check_http_status 200; then
[ "$1" = "retrieve_kid" ] || err_exit "account already registered"
KID="`fetch_location`"
ACCOUNT_ID='"kid":"'"$KID"'"'
ORDERS_URL="`orders_url`"
return
elif check_http_status 201; then
KID="`fetch_location`"
ACCOUNT_ID='"kid":"'"$KID"'"'
ORDERS_URL="`orders_url`"
return
elif check_http_status 409; then
[ "$1" = "nodie" ] || err_exit "account already exists"
elif check_http_status 400 && check_acme_error accountDoesNotExist ;then
show_error "fetching account information"
exit 1
else
unhandled_response "registering account"
fi
}
clrpenda() {
ORDERS_LIST=""
while [ -n "$ORDERS_URL" ]; do
send_req "$ORDERS_URL" ""
if check_http_status 200; then
ORDERS_LIST="$ORDERS_LIST `orders_list`"
else
unhandled_response "retrieving orders list"
fi
ORDERS_URL="`fetch_next_link`"
done
DOMAIN_AUTHZ_LIST=""
set -- $ORDERS_LIST
for ORDER do
send_req "$ORDER" ""
if check_http_status 200; then
ORDER_STATUS="`order_status`"
if [ "$ORDER_STATUS" = pending ] ;then
DOMAIN_AUTHZ_LIST="$DOMAIN_AUTHZ_LIST `domain_authz_list`"
fi
else
unhandled_response "retrieving order"
fi
done
# All domain should have that challenge type, even wildcard one
CHALLENGE_TYPE=dns-01
set -- $DOMAIN_AUTHZ_LIST
for DOMAIN_AUTHZ do
send_req "$DOMAIN_AUTHZ" ""
if check_http_status 200; then
DOMAIN="`authz_domain`"
AUTHZ_STATUS="`authz_status`"
if [ "$AUTHZ_STATUS" = pending ] ;then
DOMAIN_URI="`authz_domain_uri`"
log "retrieve challenge for $DOMAIN"
request_domain_verification
fi
else
unhandled_response "retrieve challenge for URL: $DOMAIN_AUTHZ"
fi
done
}
delete_account_key(){
log "delete account"
REG='{"resource":"reg","delete":"true"}'
send_req "$REGISTRATION_URI" "$REG"
if check_http_status 200; then
return
else
unhandled_response "deleting account"
fi
}
check_server_domain() {
if [ "$2" = true ] ;then
SERVER_DOMAIN="*.$1"
else
SERVER_DOMAIN="$1"
fi
SERVER_DOMAIN_LOWER="`tolower $SERVER_DOMAIN`"
set -- $DOMAINS
for REQ_DOMAIN do
if [ "$SERVER_DOMAIN_LOWER" = "`tolower $REQ_DOMAIN`" ] ;then
return
fi
done
err_exit "ACME server requested authorization for a rogue domain: $SERVER_DOMAIN" 1
}
authz_status() {
tr -d ' \r\n' < "$RESP_BODY" | sed -e 's/.*"status":"\([^"]*\)".*/\1/'
}
authz_domain() {
tr -d ' \r\n' < "$RESP_BODY" | sed -e 's/.*"identifier":{"type":"dns","value":"\([^"]*\)"}.*/\1/'
}
wildcard_domain() {
tr -d ' \r\n' < "$RESP_BODY" | sed -e '/"wildcard":/ !d; s/^.*"wildcard":\([a-z]*\).*$/\1/'
}
authz_domain_token() {
tr -d ' \r\n' < "$RESP_BODY" | sed -e 's/.*{\([^}]*"type":"'"$CHALLENGE_TYPE"'"[^}]*\)}.*/\1/; s/.*"token":"\([^"]*\)".*/\1/'
}
authz_domain_uri() {
tr -d ' \r\n' < "$RESP_BODY" | sed -e 's/.*{\([^}]*"type":"'"$CHALLENGE_TYPE"'"[^}]*\)}.*/\1/; s/.*"url":"\([^"]*\)".*/\1/'
}
request_challenge_domain(){
send_req "$DOMAIN_AUTHZ" ""
if check_http_status 200; then
DOMAIN="`authz_domain`"
AUTHZ_STATUS="`authz_status`"
case "$AUTHZ_STATUS" in
valid)
log "authorization is valid for $DOMAIN"
;;
pending)
check_server_domain "$DOMAIN" "`wildcard_domain`"
DOMAIN_TOKEN="`authz_domain_token`"
DOMAIN_URI="`authz_domain_uri`"
DOMAIN_DATA="$DOMAIN_DATA $DOMAIN $DOMAIN_URI $DOMAIN_TOKEN $DOMAIN_AUTHZ"
log "retrieve challenge for $DOMAIN"
;;
*)
echo authorization status: "$AUTHZ_STATUS" >& 2
unhandled_response "checking authorization status for domain $DOMAIN"
;;
esac
elif check_http_status 400; then
# account not registred?
show_error "retrieve challenge for URL: $DOMAIN_AUTHZ"
exit 1
elif check_http_status 403; then
# account not registred?
show_error "retrieve challenge for URL: $DOMAIN_AUTHZ"
exit 1
else
unhandled_response "retrieve challenge for URL: $DOMAIN_AUTHZ"
fi
}
domain_authz_list() {
tr -d ' \r\n' < "$RESP_BODY" | sed -e 's/^.*"authorizations":\[\([^]]*\)\].*$/\1/' | tr -d '"' | tr ',' ' '
}
finalize() {
tr -d ' \r\n' < "$RESP_BODY" | sed -e 's/^.*"finalize":"\([^"]*\).*$/\1/'
}
request_challenge(){
log "creating new order"
set -- $DOMAINS
for DOMAIN do
[ -n "$DOMAIN_ORDERS" ] && DOMAIN_ORDERS="$DOMAIN_ORDERS,"
DOMAIN_ORDERS="$DOMAIN_ORDERS"'{"type":"dns","value":"'"$DOMAIN"'"}'
done
[ -n "$NEWORDERURL" ] || get_urls
NEW_ORDER='{"identifiers":['"$DOMAIN_ORDERS"']}'
send_req "$NEWORDERURL" "$NEW_ORDER"
if check_http_status 201; then
DOMAIN_AUTHZ_LIST="`domain_authz_list`"
FINALIZE="`finalize`"
CURRENT_ORDER="`fetch_location`"
else
unhandled_response "requesting new order for $DOMAINS"
fi
set -- $DOMAIN_AUTHZ_LIST
for DOMAIN_AUTHZ do
request_challenge_domain
done
}
domain_commit() {
if [ -n "$PUSH_TOKEN" ] && [ -n "$PUSH_TOKEN_COMMIT" ]; then
log "calling $PUSH_TOKEN commit"
$PUSH_TOKEN commit || err_exit "$PUSH_TOKEN could not commit"
# We cannot know how long the execution of an external command will take.
# Safer to force fetching a new nonce to avoid fatal badNonce error due to nonce validity timeout.
NONCE=""
fi
}
domain_dns_challenge() {
DNS_CHALLENGE="`printf '%s' "$DOMAIN_TOKEN.$ACCOUNT_THUMB" | openssl dgst -sha256 -binary | base64url`"
if [ -n "$PUSH_TOKEN" ]; then
$PUSH_TOKEN "$1" _acme-challenge."$DOMAIN" "$DNS_CHALLENGE" || err_exit "Could not $1 $CHALLENGE_TYPE type challenge token with value $DNS_CHALLENGE for domain $DOMAIN via $PUSH_TOKEN"
else
printf 'update %s _acme-challenge.%s. 300 IN TXT "%s"\n\n' "$1" "$DOMAIN" "$DNS_CHALLENGE" |
nsupdate || err_exit "Could not $1 $CHALLENGE_TYPE type challenge token with value $DNS_CHALLENGE for domain $DOMAIN via nsupdate"
fi
}
push_domain_response() {
log "push response for $DOMAIN"
# do something with DOMAIN, DOMAIN_TOKEN and DOMAIN_RESPONSE
# echo "$DOMAIN_RESPONSE" > "/writeable/location/$DOMAIN/$DOMAIN_TOKEN"
if [ "$CHALLENGE_TYPE" = "http-01" ]; then
if [ -n "$WEBDIR" ]; then
TOKEN_DIR="`printf "%s" $WEBDIR | sed -e 's/\$DOMAIN/'"$DOMAIN"'/g; s/${DOMAIN}/'"$DOMAIN"'/g'`"
SAVED_UMASK="`umask`"
umask 0022
printf "%s\n" "$DOMAIN_TOKEN.$ACCOUNT_THUMB" > "$TOKEN_DIR/$DOMAIN_TOKEN" || exit 1
umask "$SAVED_UMASK"
elif [ -n "$PUSH_TOKEN" ]; then
$PUSH_TOKEN install "$DOMAIN" "$DOMAIN_TOKEN" "$ACCOUNT_THUMB" || err_exit "could not install token for $DOMAIN"
fi
elif [ "$CHALLENGE_TYPE" = "dns-01" ]; then
domain_dns_challenge "add"
else
echo "unsupported challenge type for install token: $CHALLENGE_TYPE" >& 2; exit 1
fi
return
}
remove_domain_response() {
log "remove response for $DOMAIN"
# do something with DOMAIN and DOMAIN_TOKEN
# rm "/writeable/location/$DOMAIN/$DOMAIN_TOKEN"
if [ "$CHALLENGE_TYPE" = "http-01" ]; then
if [ -n "$WEBDIR" ]; then
TOKEN_DIR="`printf "%s" $WEBDIR | sed -e 's/\$DOMAIN/'"$DOMAIN"'/g; s/${DOMAIN}/'"$DOMAIN"'/g'`"
rm -f "$TOKEN_DIR/$DOMAIN_TOKEN"
elif [ -n "$PUSH_TOKEN" ]; then
$PUSH_TOKEN remove "$DOMAIN" "$DOMAIN_TOKEN" "$ACCOUNT_THUMB" || exit 1
fi
elif [ "$CHALLENGE_TYPE" = "dns-01" ]; then
domain_dns_challenge "delete"
else
echo "unsupported challenge type for remove token: $CHALLENGE_TYPE" >& 2; exit 1
fi
return
}
push_response() {
set -- $DOMAIN_DATA
while [ -n "$1" ]; do
DOMAIN="$1"
DOMAIN_URI="$2"
DOMAIN_TOKEN="$3"
DOMAIN_AUTHZ="$4"
shift 4
push_domain_response
done
domain_commit
}
request_domain_verification() {
log request verification of $DOMAIN
send_req $DOMAIN_URI '{}'
dbgmsg "Retry-After value in request_domain_verification: `retry_after`"
if check_http_status 200; then
return
else
unhandled_response "requesting verification of challenge of $DOMAIN"
fi
}
request_verification() {
set -- $DOMAIN_DATA
while [ -n "$1" ]; do
DOMAIN="$1"
DOMAIN_URI="$2"
DOMAIN_TOKEN="$3"
DOMAIN_AUTHZ="$4"
shift 4
request_domain_verification
done
}
domain_status() {
tr -d ' \r\n' < "$RESP_BODY" | sed -e 's/.*"type":"'"$CHALLENGE_TYPE"'",[^{}]*"status":"\([^"]*\)".*/\1/'
}
check_verification() {
ALL_VALID=true
while [ -n "$DOMAIN_DATA" ]; do
sleep 1
set -- $DOMAIN_DATA
DOMAIN_DATA=""
while [ -n "$1" ]; do
DOMAIN="$1"
DOMAIN_URI="$2"
DOMAIN_TOKEN="$3"
DOMAIN_AUTHZ="$4"
shift 4
log check verification of $DOMAIN
send_req "$DOMAIN_AUTHZ" ""
dbgmsg "Retry-After value in check_verification: `retry_after`"
if check_http_status 200; then
DOMAIN_STATUS="`domain_status`"
case "$DOMAIN_STATUS" in
valid)
log $DOMAIN is valid
remove_domain_response
;;
invalid)
echo $DOMAIN: invalid >& 2
show_error
remove_domain_response
ALL_VALID=false
;;
pending)
log $DOMAIN is pending
DOMAIN_DATA="$DOMAIN_DATA $DOMAIN $DOMAIN_URI $DOMAIN_TOKEN $DOMAIN_AUTHZ"
;;
*)
unhandled_response "checking verification status of $DOMAIN: $DOMAIN_STATUS"
;;
esac
else
unhandled_response "checking verification status of $DOMAIN"
fi
done
done
domain_commit
$ALL_VALID || exit 1
log checking order
while : ;do
send_req "$CURRENT_ORDER" ""
if check_http_status 200; then
ORDER_STATUS="`order_status`"
case "$ORDER_STATUS" in
ready)
log order is ready
break
;;
pending)
echo order: "$ORDER_STATUS" >& 2
sleep 1
continue
;;
*)
unhandled_response "checking verification status of order"
;;
esac
else
unhandled_response "requesting order status verification"
fi
done
}
# this function generates the csr from the private server key and list of domains
gen_csr_with_private_key() {
log generate certificate request
set -- $DOMAINS
FIRST_DOM="$1"
validate_domain "$FIRST_DOM" || err_exit "invalid domain: $FIRST_DOM"
ALT_NAME="subjectAltName=DNS:$1"
shift
for DOMAIN do
validate_domain "$DOMAIN" || err_exit "invalid domain: $DOMAIN"
ALT_NAME="$ALT_NAME,DNS:$DOMAIN"
done
if [ -r /etc/ssl/openssl.cnf ]; then
cat /etc/ssl/openssl.cnf > "$OPENSSL_CONFIG"
else
cat /etc/pki/tls/openssl.cnf > "$OPENSSL_CONFIG"
fi
echo '[SAN]' >> "$OPENSSL_CONFIG"
echo "$ALT_NAME" >> "$OPENSSL_CONFIG"
openssl req -new -sha512 -key "$SERVER_KEY" -subj "/CN=$FIRST_DOM" -reqexts SAN -config $OPENSSL_CONFIG \
> "$TMP_SERVER_CSR" \
2> "$OPENSSL_ERR"
handle_openssl_exit $? "creating certificate request"
pwnedkey_key_check "$SERVER_KEY" "server key" || exit
}
subject_domain() {
sed -n '/Subject:/ {s/^.*CN=//; s/[,/ ].*$//; p}' "$OPENSSL_OUT"
}
san_domains() {
sed -n '/X509v3 Subject Alternative Name:/ { n; s/^[ ]*DNS[ ]*:[ ]*//; s/[ ]*,[ ]*DNS[ ]*:[ ]*/ /g; p; q; }' "$OPENSSL_OUT"
}
csr_extract_domains() {
log "extract domains from certificate signing request"
if echo "$CADIR" | egrep -i -s -q -e '\.buypass\.(com|no)/' -e '\.letsencrypt\.org/' ;then
# Known ACME servers supporting commonName in the Subject of the CSR
Subject_commonName_support=yes
else
# ACME server(s) do not supporting commonName in the Subject of the CSR
# Typically pebble's case, see https://github.com/letsencrypt/pebble/issues/304
Subject_commonName_support=no
fi
openssl req -in "$TMP_SERVER_CSR" -noout -text \
> "$OPENSSL_OUT" \
2> "$OPENSSL_ERR"
handle_openssl_exit $? "reading certificate signing request"
ALTDOMAINS="`san_domains`"
SUBJDOMAIN="`subject_domain`"
if [ "$Subject_commonName_support" = yes ] ;then
DOMAINS="$SUBJDOMAIN $ALTDOMAINS"
else
DOMAINS="$ALTDOMAINS"
fi
pwnedkey_req_check "$TMP_SERVER_CSR" "certificate signing request key" || exit
}
certificate_extract_domains() {
log "extract domains from certificate"
openssl x509 -in "$SERVER_CERT" -noout -text \
> "$OPENSSL_OUT" \
2> "$OPENSSL_ERR"
handle_openssl_exit $? "reading certificate"
DOMAINS="`san_domains`"
if [ -z "$DOMAINS" ]; then
DOMAINS="`subject_domain`"
fi
}
new_cert() {
sed -e 's/-----BEGIN\( NEW\)\{0,1\} CERTIFICATE REQUEST-----/{"csr":"/; s/-----END\( NEW\)\{0,1\} CERTIFICATE REQUEST-----/"}/;s/+/-/g;s!/!_!g;s/=//g' "$TMP_SERVER_CSR" | tr -d ' \t\r\n'
}
order_status() {
tr -d ' \r\n' < "$RESP_BODY" | sed -e 's/.*"status":"\([^"]*\)".*/\1/'
}
certificate_url() {
tr -d ' \r\n' < "$RESP_BODY" | sed -e 's/.*"certificate":"\([^"]*\)".*/\1/'
}
request_certificate(){
log finalize order
NEW_CERT="`new_cert`"
send_req "$FINALIZE" "$NEW_CERT"
while : ;do
if check_http_status 200; then
ORDER_STATUS="`order_status`"
case "$ORDER_STATUS" in
valid)
log order is valid
CERTIFICATE="`certificate_url`"
break
;;
processing)
log order: "$ORDER_STATUS"
sleep 1
send_req "$CURRENT_ORDER" ""
continue
;;
invalid|pending|ready)
echo order: "$ORDER_STATUS" >& 2
exit 1
;;
*)
unhandled_response "checking finalization status of order"
;;
esac
else
unhandled_response "requesting order finalization"
fi
done
log request certificate
CUR_CHAIN=0
while [ -n "$CERTIFICATE" ] ;do
send_req "$CERTIFICATE" ""
if check_http_status 200; then
if [ "$CUR_CHAIN" = "$SIGNING_CHAIN_SELECTION" ] ;then
if [ -n "$SERVER_FULL_CHAIN" ] ;then
tr -d '\r' < "$RESP_BODY" | sed -e '/^$/d' > "$SERVER_FULL_CHAIN"
fi
tr -d '\r' < "$RESP_BODY" |
sed -e '1,/^-----END CERTIFICATE-----$/ !d' | sed -e '/^$/d' > "$SERVER_CERT"
tr -d '\r' < "$RESP_BODY" |
sed -e '1,/^-----END CERTIFICATE-----$/d' | sed -e '/^$/d' > "$SERVER_SIGNING_CHAIN"
break
else
CERTIFICATE="`fetch_alternate_link`"
CUR_CHAIN="`expr $CUR_CHAIN + 1`"
if [ -z "$CERTIFICATE" ] ;then
err_exit "No such alternate chain: $SIGNING_CHAIN_SELECTION" 1
fi
fi
else
unhandled_response "retrieveing certificate"
fi
done
}
old_cert() {
sed -e 's/-----BEGIN CERTIFICATE-----/{"certificate":"/; s/-----END CERTIFICATE-----/"}/;s/+/-/g;s!/!_!g;s/=//g' "$SERVER_CERT" | tr -d ' \t\r\n'
}
revoke_certificate(){
log revoke certificate
[ -n "$REVOKECERTURL" ] || get_urls
OLD_CERT="`old_cert`"
if [ "$ACCOUNT_KEY" = "$SERVER_KEY" ] ;then
send_req_no_kid "$REVOKECERTURL" "$OLD_CERT"
if check_http_status 400; then
show_error "revoking certificate via server key"
exit 1
elif check_http_status 200; then
log certificate is revoked via server key
exit 0
else
unhandled_response "revoking certificate"
fi
else
send_req "$REVOKECERTURL" "$OLD_CERT"
if check_http_status 403 || check_http_status 401; then
if check_acme_error unauthorized ;then
return 1
else
unhandled_response "revoking certificate"
fi
elif check_http_status 400; then
show_error "revoking certificate via account key"
exit 1
elif check_http_status 200; then
log certificate is revoked via account key
else
unhandled_response "revoking certificate"
fi
fi
}
usage() {
cat << EOT
$PROGNAME register [-p] -a account_key -e email
$PROGNAME delete -a account_key
$PROGNAME clrpenda -a account_key
$PROGNAME accountid -a account_key
$PROGNAME thumbprint -a account_key
$PROGNAME revoke {-a account_key|-k server_key} -c signed_crt
$PROGNAME sign -a account_key -k server_key (chain_options) -c signed_crt domain ...
$PROGNAME sign -a account_key -r server_csr (chain_options) -c signed_crt
-a account_key the private key
-e email the email address assigned to the account key during
the registration
-k server_key the private key of the server certificate
-r server_csr a certificate signing request, which includes the
domains, use e.g. gen-csr.sh to create one
-c signed_crt the location where to store the signed certificate
or retrieve for revocation
Options for sign operation:
-t selection signing chain selection (number only, default: 0)
-s signing_crt the location, where the intermediate signing
certificate(s) should be stored
default location: {signed_crt}_chain
-f full_chain the location, where the signed certificate with the
intermediate signing certificate(s) should be stored
ACME server options:
-D URL ACME server directory URL
-4 the connection to the server should use IPv4
-6 the connection to the server should use IPv6
generic flags:
-h this help page
-q quiet operation
-v increase verbosity
revoke and sign:
-l challenge_type can be http-01 (default) or dns-01
-w webdir the directory, where the response should be stored
\$DOMAIN will be replaced by the actual domain
the directory will not be created
-P exec the command to call to install the token on a remote
server
-C the command to call to install the token on a remote
server needs the commit feature
clrpenda: clear pending authorizations for the given account
accountid: print account id URI for the given account
EOT
}
# Here starts the program
PROGNAME="`basename $0`"
required_commands
# temporary files to store input/output of curl or openssl
trap 'rm -f "$RESP_HEABOD" "$WGET_OUT" "$RESP_HEADER" "$RESP_BODY" "$OPENSSL_CONFIG" "$OPENSSL_IN" "$OPENSSL_OUT" "$OPENSSL_ERR" "$TMP_SERVER_CSR"' 0 1 2 3 13 15
# file to store header and body of http response
RESP_HEABOD="`mktemp -t le.$$.resp-heabod.XXXXXX`"
# file to store the output of the wget
WGET_OUT="`mktemp -t le.$$.resp-out.XXXXXX`"
# file to store header of http request
RESP_HEADER="`mktemp -t le.$$.resp-header.XXXXXX`"
# file to store body of http request
RESP_BODY="`mktemp -t le.$$.resp-body.XXXXXX`"
# tmp config for openssl for addional domains
OPENSSL_CONFIG="`mktemp -t le.$$.openssl.cnf.XXXXXX`"
# file to store openssl output
OPENSSL_IN="`mktemp -t le.$$.openssl.in.XXXXXX`"
OPENSSL_OUT="`mktemp -t le.$$.openssl.out.XXXXXX`"
OPENSSL_ERR="`mktemp -t le.$$.openssl.err.XXXXXX`"
# file to store the CSR
TMP_SERVER_CSR="`mktemp -t le.$$.server.csr.XXXXXX`"
echo 'x\0040x' | egrep -s -q -e 'x x' && ECHOESCFLAG='' || ECHOESCFLAG='-e'
[ $# -gt 0 ] || err_exit "no action given"
ACTION="$1"
shift
SHOW_THUMBPRINT=0
case "$ACTION" in
clrpenda|accountid)
while getopts :hqvD:46a: name; do case "$name" in
h) usage; exit 1;;
q) LOGLEVEL=0;;
v) LOGLEVEL="`expr $LOGLEVEL + 1`";;
D) CADIR="$OPTARG";;
4) IPV_OPTION="-4";;
6) IPV_OPTION="-6";;
a) ACCOUNT_KEY="$OPTARG";;
?|:) echo "invalid arguments" >& 2; exit 1;;
esac; done;;
delete)
while getopts :hqvD:46a: name; do case "$name" in
h) usage; exit 1;;
q) LOGLEVEL=0;;
v) LOGLEVEL="`expr $LOGLEVEL + 1`";;
D) CADIR="$OPTARG";;
4) IPV_OPTION="-4";;
6) IPV_OPTION="-6";;
a) ACCOUNT_KEY="$OPTARG";;
?|:) echo "invalid arguments" >& 2; exit 1;;
esac; done;;
register)
while getopts :hqvD:46a:e:p name; do case "$name" in
h) usage; exit 1;;
q) LOGLEVEL=0;;
v) LOGLEVEL="`expr $LOGLEVEL + 1`";;
D) CADIR="$OPTARG";;
4) IPV_OPTION="-4";;
6) IPV_OPTION="-6";;
p) SHOW_THUMBPRINT=1;;
a) ACCOUNT_KEY="$OPTARG";;
e) ACCOUNT_EMAIL="$OPTARG";;
?|:) echo "invalid arguments" >& 2; exit 1;;
esac; done;;
thumbprint)
while getopts :hqva: name; do case "$name" in
h) usage; exit 1;;
q) LOGLEVEL=0;;
v) LOGLEVEL="`expr $LOGLEVEL + 1`";;
a) ACCOUNT_KEY="$OPTARG";;
?|:) echo "invalid arguments" >& 2; exit 1;;
esac; done;;
revoke)
while getopts :hqvD:46Ca:k:c:w:P:l: name; do case "$name" in
h) usage; exit 1;;
q) LOGLEVEL=0;;
v) LOGLEVEL="`expr $LOGLEVEL + 1`";;
D) CADIR="$OPTARG";;
4) IPV_OPTION="-4";;
6) IPV_OPTION="-6";;
C) PUSH_TOKEN_COMMIT=1;;
a) ACCOUNT_KEY="$OPTARG";;
k) SERVER_KEY="$OPTARG";;
c) SERVER_CERT="$OPTARG";;
w) WEBDIR="$OPTARG";;
P) PUSH_TOKEN="$OPTARG";;
l) CHALLENGE_TYPE="$OPTARG";;
?|:) echo "invalid arguments" >& 2; exit 1;;
esac; done;;
sign)
while getopts :hqvD:46Ca:k:r:f:s:c:w:P:l:t: name; do case "$name" in
h) usage; exit 1;;
q) LOGLEVEL=0;;
v) LOGLEVEL="`expr $LOGLEVEL + 1`";;
D) CADIR="$OPTARG";;
4) IPV_OPTION="-4";;
6) IPV_OPTION="-6";;
C) PUSH_TOKEN_COMMIT=1;;
a) ACCOUNT_KEY="$OPTARG";;
k)
if [ -n "$SERVER_CSR" ]; then
echo "server key and server certificate signing request are mutual exclusive" >& 2
exit 1
fi
SERVER_KEY="$OPTARG"
ACTION=sign-key
;;
r)
if [ -n "$SERVER_KEY" ]; then
echo "server key and server certificate signing request are mutual exclusive" >& 2
exit 1
fi
SERVER_CSR="$OPTARG"
ACTION=sign-csr
;;
f) SERVER_FULL_CHAIN="$OPTARG";;
s) SERVER_SIGNING_CHAIN="$OPTARG";;
c) SERVER_CERT="$OPTARG";;
w) WEBDIR="$OPTARG";;
P) PUSH_TOKEN="$OPTARG";;
l) CHALLENGE_TYPE="$OPTARG";;
t) SIGNING_CHAIN_SELECTION="$OPTARG";;
?|:) echo "invalid arguments" >& 2; exit 1;;
esac; done;;
-h|--help|-?)
usage
exit 1
;;
*)
err_exit "invalid action: $ACTION" 1 ;;
esac
shift $((OPTIND - 1))
case "$CHALLENGE_TYPE" in
http-01)
DOMAIN_EXTRA_PAT=''
;;
dns-01)
DOMAIN_EXTRA_PAT='\(\*\.\)\{0,1\}'
;;
*)
echo "unsupported challenge type: $CHALLENGE_TYPE" >& 2; exit 1
;;
esac
printf '%s\n' "$SIGNING_CHAIN_SELECTION" | egrep -s -q -e '^[0-9]+$' ||
err_exit "Unsupported signing chain selection" 1
case "$ACTION" in
accountid)
load_account_key
register_account_key retrieve_kid
printf "account id URI: %s\n" "$KID"
exit;;
clrpenda)
load_account_key
register_account_key retrieve_kid
clrpenda
exit;;
delete)
load_account_key
register_account_key nodie
REGISTRATION_URI="`fetch_location`"
delete_account_key
exit 0;;
register)
load_account_key
[ -z "$ACCOUNT_EMAIL" ] && echo "account email address not given" >& 2 && exit 1
log "register account"
register_account_key
[ $SHOW_THUMBPRINT -eq 1 ] && printf "account thumbprint: %s\n" "$ACCOUNT_THUMB"
exit 0;;
thumbprint)
load_account_key no_pwnd_check
printf "account thumbprint: %s\n" "$ACCOUNT_THUMB"
exit 0;;
revoke)
[ -n "$SERVER_CERT" ] || err_exit "no certificate file given to revoke"
[ -z "$ACCOUNT_KEY" -a -z "$SERVER_KEY" ] && echo "either account key or server key must be given" >& 2 && exit 1
[ -n "$ACCOUNT_KEY" ] || { log "using server key as account key" ; ACCOUNT_KEY="$SERVER_KEY" ; }
load_account_key
revoke_certificate && exit 0
certificate_extract_domains;;
sign) err_exit "neither server key nor server csr given" 1 ;;
sign-key)
load_account_key
[ -r "$SERVER_KEY" ] || err_exit "could not read server key"
[ -n "$SERVER_CERT" ] || err_exit "no output file given"
[ "$#" -gt 0 ] || err_exit "domains needed"
DOMAINS=$*
gen_csr_with_private_key
;;
sign-csr)
load_account_key
[ -r "$SERVER_CSR" ] || err_exit "could not read certificate signing request"
[ -n "$SERVER_CERT" ] || err_exit "no output file given"
[ "$#" -eq 0 ] || err_exit "no domains needed"
# load domains from csr
openssl req -in "$SERVER_CSR" > "$TMP_SERVER_CSR" 2> "$OPENSSL_ERR"
handle_openssl_exit "$?" "copying csr"
csr_extract_domains
;;
*)
err_exit "invalid action: $ACTION" 1 ;;
esac
[ -n "$WEBDIR" ] && [ "$CHALLENGE_TYPE" = "dns-01" ] &&
err_exit "webdir option and dns-01 challenge type are mutual exclusive" 1
if [ "$CHALLENGE_TYPE" = "http-01" ] ;then
[ -n "$WEBDIR" ] && [ -n "$PUSH_TOKEN" ] &&
err_exit "webdir option and command to install the token are mutual exclusive" 1
[ -z "$WEBDIR" ] && [ -z "$PUSH_TOKEN" ] &&
err_exit "either webdir option or command to install the token must be specified" 1
fi
[ -z "$PUSH_TOKEN" ] && [ -n "$PUSH_TOKEN_COMMIT" ] &&
err_exit "commit feature without command to install the token makes no sense" 1
if [ -z "$SERVER_SIGNING_CHAIN" ] ;then
SERVER_SIGNING_CHAIN="$SERVER_CERT"_chain
fi
request_challenge
push_response
request_verification
check_verification
if [ "$ACTION" = "revoke" ] ;then
revoke_certificate || { show_error "revoking certificate via account key" ; exit 1 ; }
else
request_certificate
fi
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