You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
acme.sh/le.sh

787 lines
19 KiB

#!/bin/bash
VER=1.0.2
PROJECT="https://github.com/Neilpang/le"
DEFAULT_CA="https://acme-v01.api.letsencrypt.org"
DEFAULT_AGREEMENT="https://letsencrypt.org/documents/LE-SA-v1.0.1-July-27-2015.pdf"
API="$DEFAULT_CA"
AGREEMENT="$DEFAULT_AGREEMENT"
_debug() {
if [ -z "$DEBUG" ] ; then
return
fi
if [ -z "$2" ] ; then
echo $1
else
echo $1:$2
fi
}
_info() {
if [ -z "$2" ] ; then
echo $1
else
echo $1:$2
fi
}
_err() {
if [ -z "$2" ] ; then
echo "$1" >&2
else
echo "$1:$2" >&2
fi
}
#domain [2048]
createAccountKey() {
if [ -z "$1" ] ; then
echo Usage: $0 account-domain [2048]
return
fi
account=$1
length=$2
if [ -z "$2" ] ; then
_info "Use default length 2048"
length=2048
fi
_initpath
if [ -f "$ACCOUNT_KEY_PATH" ] ; then
_info "Account key exists, skip"
return
else
#generate account key
openssl genrsa $length > "$ACCOUNT_KEY_PATH"
fi
}
#domain length
createDomainKey() {
if [ -z "$1" ] ; then
echo Usage: $0 domain [2048]
return
fi
domain=$1
length=$2
if [ -z "$2" ] ; then
_info "Use default length 2048"
length=2048
fi
_initpath $domain
if [ -f "$CERT_KEY_PATH" ] ; then
_info "Domain key exists, skip"
else
#generate account key
openssl genrsa $length > "$CERT_KEY_PATH"
fi
}
# domain domainlist
createCSR() {
if [ -z "$1" ] ; then
echo Usage: $0 domain [domainlist]
return
fi
domain=$1
_initpath $domain
domainlist=$2
if [ -f "$CSR_PATH" ] ; then
_info "CSR exists, skip"
return
fi
if [ -z "$domainlist" ] ; then
#single domain
_info "Single domain" $domain
openssl req -new -sha256 -key "$CERT_KEY_PATH" -subj "/CN=$domain" > "$CSR_PATH"
else
alt="DNS:$(echo $domainlist | sed "s/,/,DNS:/g")"
#multi
_info "Multi domain" "$alt"
openssl req -new -sha256 -key "$CERT_KEY_PATH" -subj "/CN=$domain" -reqexts SAN -config <(printf "[ req_distinguished_name ]\n[ req ]\ndistinguished_name = req_distinguished_name\n[SAN]\nsubjectAltName=$alt") -out "$CSR_PATH"
fi
}
_b64() {
__n=$(cat)
echo $__n | tr '/+' '_-' | tr -d '= '
}
_send_signed_request() {
url=$1
payload=$2
needbase64=$3
_debug url $url
_debug payload "$payload"
CURL_HEADER="$WORKING_DIR/curl.header"
dp="$WORKING_DIR/curl.dump"
CURL="curl --silent --dump-header $CURL_HEADER "
if [ "$DEBUG" ] ; then
CURL="$CURL --trace-ascii $dp "
fi
payload64=$(echo -n $payload | base64 -w 0 | _b64)
_debug payload64 $payload64
nonceurl="$API/directory"
nonce=$($CURL -I $nonceurl | grep "^Replay-Nonce:" | sed s/\\r//|sed s/\\n//| cut -d ' ' -f 2)
_debug nonce $nonce
protected=$(echo -n "$HEADERPLACE" | sed "s/NONCE/$nonce/" )
_debug protected "$protected"
protected64=$( echo -n $protected | base64 -w 0 | _b64)
_debug protected64 "$protected64"
sig=$(echo -n "$protected64.$payload64" | openssl dgst -sha256 -sign $ACCOUNT_KEY_PATH | base64 -w 0 | _b64)
_debug sig "$sig"
body="{\"header\": $HEADER, \"protected\": \"$protected64\", \"payload\": \"$payload64\", \"signature\": \"$sig\"}"
_debug body "$body"
if [ "$needbase64" ] ; then
response="$($CURL -X POST --data "$body" $url | base64 -w 0)"
else
response="$($CURL -X POST --data "$body" $url)"
fi
responseHeaders="$(sed 's/\r//g' $CURL_HEADER)"
_debug responseHeaders "$responseHeaders"
_debug response "$response"
code="$(grep ^HTTP $CURL_HEADER | tail -1 | cut -d " " -f 2)"
_debug code $code
}
_get() {
url="$1"
_debug url $url
response="$(curl --silent $url)"
ret=$?
_debug response "$response"
code="$(echo $response | grep -o '"status":[0-9]\+' | cut -d : -f 2)"
_debug code $code
return $ret
}
#setopt "file" "opt" "=" "value" [";"]
_setopt() {
__conf="$1"
__opt="$2"
__sep="$3"
__val="$4"
__end="$5"
if [ -z "$__opt" ] ; then
echo usage: $0 '"file" "opt" "=" "value" [";"]'
return
fi
if [ ! -f "$__conf" ] ; then
touch "$__conf"
fi
if grep -H -n "^$__opt$__sep" "$__conf" > /dev/null ; then
_debug OK
if [[ "$__val" == *"&"* ]] ; then
__val="$(echo $__val | sed 's/&/\\&/g')"
fi
sed -i "s|^$__opt$__sep.*$|$__opt$__sep$__val$__end|" "$__conf"
else
_debug APP
echo "$__opt$__sep$__val$__end" >> "$__conf"
fi
_debug "$(grep -H -n "^$__opt$__sep" $__conf)"
}
_startserver() {
content="$1"
while true ; do
if [ "$DEBUG" ] ; then
echo -e -n "HTTP/1.1 200 OK\r\n\r\n$content" | nc -q 1 -l -p 80
else
echo -e -n "HTTP/1.1 200 OK\r\n\r\n$content" | nc -q 1 -l -p 80 > /dev/null
fi
done
}
_stopserver() {
pid="$1"
if [ "$pid" ] ; then
if [ "$DEBUG" ] ; then
kill -s 9 $pid
killall -s 9 nc
else
kill -s 9 $pid > /dev/null
wait $pid 2>/dev/null
killall -s 9 nc > /dev/null
fi
fi
}
_initpath() {
if [ -z "$WORKING_DIR" ]; then
WORKING_DIR=$HOME/.le
fi
if [ -z "$ACME_DIR" ] ; then
ACME_DIR="/home/.acme"
fi
if [ -z "$APACHE_CONF_BACKUP_DIR" ] ; then
APACHE_CONF_BACKUP_DIR="$WORKING_DIR/"
fi
domain="$1"
mkdir -p "$WORKING_DIR"
ACCOUNT_KEY_PATH="$WORKING_DIR/account.acc"
if [ -z "$domain" ] ; then
return 0
fi
mkdir -p "$WORKING_DIR/$domain"
DOMAIN_CONF="$WORKING_DIR/$domain/$Le_Domain.conf"
CSR_PATH="$WORKING_DIR/$domain/$domain.csr"
CERT_KEY_PATH="$WORKING_DIR/$domain/$domain.key"
CERT_PATH="$WORKING_DIR/$domain/$domain.cer"
CA_CERT_PATH="$WORKING_DIR/$domain/ca.cer"
}
_apachePath() {
httpdroot="$(apachectl -V | grep HTTPD_ROOT= | cut -d = -f 2 | sed s/\"//g)"
httpdconfname="$(apachectl -V | grep SERVER_CONFIG_FILE= | cut -d = -f 2 | sed s/\"//g)"
httpdconf="$httpdroot/$httpdconfname"
if [ ! -f $httpdconf ] ; then
_err "Apache Config file not found" $httpdconf
return 1
fi
return 0
}
_restoreApache() {
_initpath
if ! _apachePath ; then
return 1
fi
if [ ! -f "$APACHE_CONF_BACKUP_DIR/$httpdconfname" ] ; then
_debug "No config file to restore."
return 0
fi
cp -p "$APACHE_CONF_BACKUP_DIR/$httpdconfname" "$httpdconf"
if ! apachectl -t ; then
_err "Sorry, restore apache config error, please contact me."
return 1;
fi
rm -f "$APACHE_CONF_BACKUP_DIR/$httpdconfname"
return 0
}
_setApache() {
_initpath
if ! _apachePath ; then
return 1
fi
#backup the conf
_debug "Backup apache config file" $httpdconf
cp -p $httpdconf $APACHE_CONF_BACKUP_DIR/
_info "JFYI, Config file $httpdconf is backuped to $APACHE_CONF_BACKUP_DIR/$httpdconfname"
_info "In case there is an error that can not be restored automatically, you may try restore it yourself."
_info "The backup file will be deleted on sucess, just forget it."
#add alias
echo "
Alias /.well-known/acme-challenge $ACME_DIR
<Directory $ACME_DIR >
Order allow,deny
Allow from all
</Directory>
" >> $httpdconf
if ! apachectl -t ; then
_err "Sorry, apache config error, please contact me."
_restoreApache
return 1;
fi
if [ ! -d "$ACME_DIR" ] ; then
mkdir -p "$ACME_DIR"
chmod 755 "$ACME_DIR"
fi
if ! apachectl graceful ; then
_err "Sorry, apachectl graceful error, please contact me."
_restoreApache
return 1;
fi
return 0
}
_clearup () {
_stopserver $serverproc
_restoreApache
}
issue() {
if [ -z "$1" ] ; then
echo "Usage: le issue webroot|no|apache a.com [www.a.com,b.com,c.com]|no [key-length]|no [cert-file-path]|no [key-file-path]|no [ca-cert-file-path]|no [reloadCmd]|no"
return 1
fi
Le_Webroot="$1"
Le_Domain="$2"
Le_Alt="$3"
Le_Keylength="$4"
Le_RealCertPath="$5"
Le_RealKeyPath="$6"
Le_RealCACertPath="$7"
Le_ReloadCmd="$8"
if [ -z "$Le_Domain" ] ; then
Le_Domain="$1"
fi
_initpath $Le_Domain
if [ -f "$DOMAIN_CONF" ] ; then
source "$DOMAIN_CONF"
if [ -z "$FORCE" ] && [ "$Le_NextRenewTime" ] && [ "$(date -u "+%s" )" -lt "$Le_NextRenewTime" ] ; then
_info "Skip, Next renwal time is: $Le_NextRenewTimeStr"
return 2
fi
fi
if [ "$Le_Alt" == "no" ] ; then
Le_Alt=""
fi
if [ "$Le_Keylength" == "no" ] ; then
Le_Keylength=""
fi
if [ "$Le_RealCertPath" == "no" ] ; then
Le_RealCertPath=""
fi
if [ "$Le_RealKeyPath" == "no" ] ; then
Le_RealKeyPath=""
fi
if [ "$Le_RealCACertPath" == "no" ] ; then
Le_RealCACertPath=""
fi
if [ "$Le_ReloadCmd" == "no" ] ; then
Le_ReloadCmd=""
fi
_setopt "$DOMAIN_CONF" "Le_Domain" "=" "$Le_Domain"
_setopt "$DOMAIN_CONF" "Le_Alt" "=" "$Le_Alt"
_setopt "$DOMAIN_CONF" "Le_Webroot" "=" "$Le_Webroot"
_setopt "$DOMAIN_CONF" "Le_Keylength" "=" "$Le_Keylength"
_setopt "$DOMAIN_CONF" "Le_RealCertPath" "=" "\"$Le_RealCertPath\""
_setopt "$DOMAIN_CONF" "Le_RealCACertPath" "=" "\"$Le_RealCACertPath\""
_setopt "$DOMAIN_CONF" "Le_RealKeyPath" "=" "\"$Le_RealKeyPath\""
_setopt "$DOMAIN_CONF" "Le_ReloadCmd" "=" "\"$Le_ReloadCmd\""
if [ "$Le_Webroot" == "no" ] ; then
_info "Standalone mode."
if ! command -v "nc" > /dev/null ; then
_err "Please install netcat(nc) tools first."
return 1
fi
netprc="$(ss -ntpl | grep ':80 ')"
if [ "$netprc" ] ; then
_err "$netprc"
_err "tcp port 80 is already used by $(echo "$netprc" | cut -d : -f 4)"
_err "Please stop it first"
return 1
fi
fi
if [ "$Le_Webroot" == "apache" ] ; then
if ! _setApache ; then
_err "set up apache error. Report error to me."
return 1
fi
wellknown_path="$ACME_DIR"
fi
createAccountKey $Le_Domain $Le_Keylength
createDomainKey $Le_Domain $Le_Keylength
createCSR $Le_Domain $Le_Alt
pub_exp=$(openssl rsa -in $ACCOUNT_KEY_PATH -noout -text | grep "^publicExponent:"| cut -d '(' -f 2 | cut -d 'x' -f 2 | cut -d ')' -f 1)
if [ "${#pub_exp}" == "5" ] ; then
pub_exp=0$pub_exp
fi
_debug pub_exp "$pub_exp"
e=$(echo $pub_exp | xxd -r -p | base64)
_debug e "$e"
modulus=$(openssl rsa -in $ACCOUNT_KEY_PATH -modulus -noout | cut -d '=' -f 2 )
n=$(echo $modulus| xxd -r -p | base64 -w 0 | _b64 )
jwk='{"e": "'$e'", "kty": "RSA", "n": "'$n'"}'
HEADER='{"alg": "RS256", "jwk": '$jwk'}'
HEADERPLACE='{"nonce": "NONCE", "alg": "RS256", "jwk": '$jwk'}'
_debug HEADER "$HEADER"
accountkey_json=$(echo -n "$jwk" | sed "s/ //g")
thumbprint=$(echo -n "$accountkey_json" | sha256sum | xxd -r -p | base64 -w 0 | _b64)
_info "Registering account"
regjson='{"resource": "new-reg", "agreement": "'$AGREEMENT'"}'
if [ "$ACCOUNT_EMAIL" ] ; then
regjson='{"resource": "new-reg", "contact": ["mailto: '$ACCOUNT_EMAIL'"], "agreement": "'$AGREEMENT'"}'
fi
_send_signed_request "$API/acme/new-reg" "$regjson"
if [ "$code" == "" ] || [ "$code" == '201' ] ; then
_info "Registered"
echo $response > $WORKING_DIR/account.json
elif [ "$code" == '409' ] ; then
_info "Already registered"
else
_err "Register account Error."
_clearup
return 1
fi
# verify each domain
_info "Verify each domain"
alldomains=$(echo "$Le_Domain,$Le_Alt" | sed "s/,/ /g")
for d in $alldomains
do
_info "Verifing domain" $d
_send_signed_request "$API/acme/new-authz" "{\"resource\": \"new-authz\", \"identifier\": {\"type\": \"dns\", \"value\": \"$d\"}}"
if [ ! -z "$code" ] && [ ! "$code" == '201' ] ; then
_err "new-authz error: $response"
_clearup
return 1
fi
http01=$(echo $response | egrep -o '{[^{]*"type":"http-01"[^}]*')
_debug http01 "$http01"
token=$(echo "$http01" | sed 's/,/\n'/g| grep '"token":'| cut -d : -f 2|sed 's/"//g')
_debug token $token
uri=$(echo "$http01" | sed 's/,/\n'/g| grep '"uri":'| cut -d : -f 2,3|sed 's/"//g')
_debug uri $uri
keyauthorization="$token.$thumbprint"
_debug keyauthorization "$keyauthorization"
if [ "$Le_Webroot" == "no" ] ; then
_info "Standalone mode server"
_startserver "$keyauthorization" &
serverproc="$!"
sleep 2
_debug serverproc $serverproc
else
if [ -z "$wellknown_path" ] ; then
wellknown_path="$Le_Webroot/.well-known/acme-challenge"
fi
_debug wellknown_path "$wellknown_path"
mkdir -p "$wellknown_path"
echo -n "$keyauthorization" > "$wellknown_path/$token"
fi
wellknown_url="http://$d/.well-known/acme-challenge/$token"
_debug wellknown_url "$wellknown_url"
_debug challenge "$challenge"
_send_signed_request $uri "{\"resource\": \"challenge\", \"keyAuthorization\": \"$keyauthorization\"}"
if [ ! -z "$code" ] && [ ! "$code" == '202' ] ; then
_err "$d:Challenge error: $resource"
_clearup
return 1
fi
while [ "1" ] ; do
_debug "sleep 5 secs to verify"
sleep 5
_debug "checking"
if ! _get $uri ; then
_err "$d:Verify error:$resource"
_clearup
return 1
fi
status=$(echo $response | egrep -o '"status":"[^"]+"' | cut -d : -f 2 | sed 's/"//g')
if [ "$status" == "valid" ] ; then
_info "Success"
break;
fi
if [ "$status" == "invalid" ] ; then
error=$(echo $response | egrep -o '"error":{[^}]*}' | grep -o '"detail":"[^"]*"' | cut -d '"' -f 4)
_err "$d:Verify error:$error"
_clearup
return 1;
fi
if [ "$status" == "pending" ] ; then
_info "Pending"
else
_err "$d:Verify error:$response"
_clearup
return 1
fi
done
_stopserver $serverproc
done
_clearup
_info "Verify finished, start to sign."
der="$(openssl req -in $CSR_PATH -outform DER | base64 -w 0 | _b64)"
_send_signed_request "$API/acme/new-cert" "{\"resource\": \"new-cert\", \"csr\": \"$der\"}" "needbase64"
Le_LinkCert="$(grep -i -o '^Location.*' $CURL_HEADER |sed 's/\r//g'| cut -d " " -f 2)"
_setopt "$DOMAIN_CONF" "Le_LinkCert" "=" "$Le_LinkCert"
if [ "$Le_LinkCert" ] ; then
echo -----BEGIN CERTIFICATE----- > "$CERT_PATH"
curl --silent "$Le_LinkCert" | base64 >> "$CERT_PATH"
echo -----END CERTIFICATE----- >> "$CERT_PATH"
_info "Cert success."
cat "$CERT_PATH"
_info "Your cert is in $CERT_PATH"
fi
if [ -z "$Le_LinkCert" ] ; then
response="$(echo $response | base64 -d)"
_err "Sign failed: $(echo "$response" | grep -o '"detail":"[^"]*"')"
return 1
fi
Le_LinkIssuer=$(grep -i '^Link' $CURL_HEADER | cut -d " " -f 2| cut -d ';' -f 1 | sed 's/<//g' | sed 's/>//g')
_setopt "$DOMAIN_CONF" "Le_LinkIssuer" "=" "$Le_LinkIssuer"
if [ "$Le_LinkIssuer" ] ; then
echo -----BEGIN CERTIFICATE----- > "$CA_CERT_PATH"
curl --silent "$Le_LinkIssuer" | base64 >> "$CA_CERT_PATH"
echo -----END CERTIFICATE----- >> "$CA_CERT_PATH"
_info "The intermediate CA cert is in $CA_CERT_PATH"
fi
Le_CertCreateTime=$(date -u "+%s")
_setopt "$DOMAIN_CONF" "Le_CertCreateTime" "=" "$Le_CertCreateTime"
Le_CertCreateTimeStr=$(date -u "+%Y-%m-%d %H:%M:%S UTC")
_setopt "$DOMAIN_CONF" "Le_CertCreateTimeStr" "=" "\"$Le_CertCreateTimeStr\""
if [ ! "$Le_RenewalDays" ] ; then
Le_RenewalDays=50
fi
_setopt "$DOMAIN_CONF" "Le_RenewalDays" "=" "$Le_RenewalDays"
Le_NextRenewTime=$(date -u -d "+$Le_RenewalDays day" "+%s")
_setopt "$DOMAIN_CONF" "Le_NextRenewTime" "=" "$Le_NextRenewTime"
Le_NextRenewTimeStr=$(date -u -d "+$Le_RenewalDays day" "+%Y-%m-%d %H:%M:%S UTC")
_setopt "$DOMAIN_CONF" "Le_NextRenewTimeStr" "=" "\"$Le_NextRenewTimeStr\""
if [ "$Le_RealCertPath" ] ; then
if [ -f "$Le_RealCertPath" ] ; then
rm -f "$Le_RealCertPath"
fi
ln -s "$CERT_PATH" "$Le_RealCertPath"
fi
if [ "$Le_RealCACertPath" ] ; then
if [ -f "$Le_RealCACertPath" ] ; then
rm -f "$Le_RealCACertPath"
fi
ln -s "$CA_CERT_PATH" "$Le_RealCACertPath"
fi
if [ "$Le_RealKeyPath" ] ; then
if [ -f "$Le_RealKeyPath" ] ; then
rm -f "$Le_RealKeyPath"
fi
ln -s "$CERT_KEY_PATH" "$Le_RealKeyPath"
fi
if [ "$Le_ReloadCmd" ] ; then
_info "Run Le_ReloadCmd: $Le_ReloadCmd"
"$Le_ReloadCmd"
fi
}
renew() {
Le_Domain="$1"
if [ -z "$Le_Domain" ] ; then
echo Usage: $0 domain.com
return 1
fi
issue $Le_Domain
}
renewAll() {
_initpath
_info "renewAll"
for d in $(ls -F $WORKING_DIR | grep '/$') ; do
d=$(echo $d | cut -d '/' -f 1)
_info "renew $d"
Le_LinkCert=""
Le_Domain=""
Le_Alt=""
Le_Webroot=""
Le_Keylength=""
Le_LinkIssuer=""
Le_CertCreateTime=""
Le_CertCreateTimeStr=""
Le_RenewalDays=""
Le_NextRenewTime=""
Le_NextRenewTimeStr=""
Le_RealCertPath=""
Le_RealKeyPath=""
Le_RealCACertPath=""
Le_ReloadCmd=""
renew "$d"
done
}
install() {
_initpath
if ! command -v "curl" > /dev/null ; then
_err "Please install curl first."
_err "Ubuntu: sudo apt-get install curl"
_err "CentOS: yum install curl"
return 1
fi
if ! command -v "crontab" > /dev/null ; then
_err "Please install crontab first."
_err "CentOs: yum -y install crontabs"
return 1
fi
if ! command -v "openssl" > /dev/null ; then
_err "Please install openssl first."
_err "CentOs: yum -y install openssl"
return 1
fi
if ! command -v "xxd" > /dev/null ; then
_err "Please install xxd first."
_err "CentOs: yum install vim-common"
return 1
fi
_info "Installing to $WORKING_DIR"
if [ ! -f /bin/le.sh ] ; then
cp le.sh "/bin/"
chmod +x "/bin/le.sh"
ln -s "/bin/le.sh" /bin/le
fi
_info "Installing cron job"
if command -v sudo > /dev/null ; then
if [ "$(sudo -n uptime 2>&1|grep "load"|wc -l)" != "0" ] ; then
SUDO=sudo
fi
fi
if ! crontab -l | grep 'le renewAll' ; then
crontab -l | { cat; echo "0 0 * * * $SUDO le renewAll > /dev/null"; } | crontab -
if command -v crond > /dev/null ; then
service crond reload >/dev/null
else
service cron reload >/dev/null
fi
fi
_info OK
}
uninstall() {
_initpath
_info "Removing cron job"
if crontab -l | grep 'le.*renewAll' ; then
crontab -l | sed "/le.*renewAll/d" | crontab -
if command -v crond > /dev/null ; then
service crond reload >/dev/null
else
service cron reload >/dev/null
fi
fi
_info "Removing /bin/le.sh"
rm -f /bin/le
rm -f /bin/le.sh
_info "The keys and certs are in $WORKING_DIR, you can remove them by yourself."
}
showhelp() {
echo "Usage: issue|renew|renewAll|createAccountKey|createDomainKey|createCSR|install|uninstall"
}
if [ -z "$1" ] ; then
showhelp
else
"$1" "$2" "$3" "$4" "$5" "$6" "$7" "$8" "$9"
fi