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getssl
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#!/usr/bin/env bash
# ---------------------------------------------------------------------------
# getssl - Obtain SM2 SSL certificates from the ca.gmssl.org ACME server
# 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 3 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 at <http://www.gnu.org/licenses/> for
# more details.
# For usage, run "getssl -h" or see https://github.com/lianran/GmSSL-WebCA-Client
# Revision history:
# 2016-01-08 Created (v0.1)
# 2016-01-11 type correction and upload to github (v0.2)
# 2016-01-11 added import of any existing cert on -c option (v0.3)
# 2016-01-12 corrected formatting of imported certificate (v0.4)
# 2016-01-12 corrected error on removal of token in some instances (v0.5)
# 2016-01-18 corrected issue with removing tmp if run as root with the -c option (v0.6)
# 2016-01-18 added option to upload a single PEN file ( used by cpanel) (v0.7)
# 2016-01-23 added dns challenge option (v0.8)
# 2016-01-24 create the ACL directory if it does not exist. (v0.9) - dstosberg
# 2016-01-26 correcting a couple of small bugs and allow curl to follow redirects (v0.10)
# 2016-01-27 add a very basic openssl.cnf file if it doesn't exist and tidy code slightly (v0.11)
# 2016-01-28 Typo corrections, quoted file variables and fix bug on DNS_DEL_COMMAND (v0.12)
# 2016-01-28 changed DNS checks to use nslookup and allow hyphen in domain names (v0.13)
# 2016-01-29 Fix ssh-reload-command, extra waiting for DNS-challenge,
# 2016-01-29 add error_exit and cleanup help message (v0.14)
# 2016-01-29 added -a|--all option to renew all configured certificates (v0.15)
# 2016-01-29 added option for elliptic curve keys (v0.16)
# 2016-01-29 added server-type option to use and check cert validity from website (v0.17)
# 2016-01-30 added --quiet option for running in cron (v0.18)
# 2016-01-31 removed usage of xxd to make script more compatible across versions (v0.19)
# 2016-01-31 removed usage of base64 to make script more compatible across platforms (v0.20)
# 2016-01-31 added option to safe a full chain certificate (v0.21)
# 2016-02-01 commented code and added option for copying concatenated certs to file (v0.22)
# 2016-02-01 re-arrange flow for DNS-challenge, to reduce time taken (v0.23)
# 2016-02-04 added options for other server types (ldaps, or any port) and check_remote (v0.24)
# 2016-02-04 added short sleep following service restart before checking certs (v0.25)
# 2016-02-12 fix challenge token location when directory doesn't exist (v0.26)
# 2016-02-17 fix sed -E issue, and reduce length of renew check to 365 days for older systems (v0.27)
# 2016-04-05 Ensure DNS cleanup on error exit. (0.28) - pecigonzalo
# 2016-04-15 Remove NS Lookup of A record when using dns validation (0.29) - pecigonzalo
# 2016-04-17 Improving the wording in a couple of comments and info statements. (0.30)
# 2016-05-04 Improve check for if DNS_DEL_COMMAND is blank. (0.31)
# 2016-05-06 Setting umask to 077 for security of private keys etc. (0.32)
# 2016-05-20 update to reflect changes in staging ACME server json (0.33)
# 2016-05-20 tidying up checking of json following AMCE changes. (0.34)
# 2016-05-21 added AUTH_DNS_SERVER to getssl.cfg as optional definition of authoritative DNS server (0.35)
# 2016-05-21 added DNS_WAIT to getssl.cfg as (default = 10 seconds as before) (0.36)
# 2016-05-21 added PUBLIC_DNS_SERVER option, for forcing use of an external DNS server (0.37)
# 2016-05-28 added FTP method of uploading tokens to remote server (blocked for certs as not secure) (0.38)
# 2016-05-28 added FTP method into the default config notes. (0.39)
# 2016-05-30 Add sftp with password to copy files (0.40)
# 2016-05-30 Add version check to see if there is a more recent version of getssl (0.41)
# 2016-05-30 Add [-u|--upgrade] option to automatically upgrade getssl (0.42)
# 2016-05-30 Added backup when auto-upgrading (0.43)
# 2016-05-30 Improvements to auto-upgrade (0.44)
# 2016-05-31 Improved comments - no structural changes
# 2016-05-31 After running for nearly 6 months, final testing prior to a 1.00 stable version. (0.90)
# 2016-06-01 Reorder functions alphabetically as part of code tidy. (0.91)
# 2016-06-03 Version 1.0 of code for release (1.00)
# 2016-06-09 bugfix of issue 44, and add success statement (ignoring quiet flag) (1.01)
# 2016-06-13 test return status of DNS_ADD_COMMAND and error_exit if a problem (hadleyrich) (1.02)
# 2016-06-13 bugfix of issue 45, problem with SERVER_TYPE when it's just a port number (1.03)
# 2016-06-13 bugfix issue 47 - DNS_DEL_COMMAND cleanup was run when not required. (1.04)
# 2016-06-15 add error checking on RELOAD_CMD (1.05)
# 2016-06-20 updated sed and date functions to run on MAC OS X (1.06)
# 2016-06-20 added CHALLENGE_CHECK_TYPE variable to allow checks direct on https rather than http (1.07)
# 2016-06-21 updated grep functions to run on MAC OS X (1.08)
# 2016-06-11 updated to enable running on windows with cygwin (1.09)
# 2016-07-02 Corrections to work with older slackware issue #56 (1.10)
# 2016-07-02 Updating help info re ACL in config file (1.11)
# 2016-07-04 adding DOMAIN_STORAGE as a variable to solve for issue #59 (1.12)
# 2016-07-05 updated order to better handle non-standard DOMAIN_STORAGE location (1.13)
# 2016-07-06 added additional comments about SANS in example template (1.14)
# 2016-07-07 check for duplicate domains in domain / SANS (1.15)
# 2016-07-08 modified to be used on older bash for issue #64 (1.16)
# 2016-07-11 added -w to -a option and comments in domain template (1.17)
# 2016-07-18 remove / regenerate csr when generating new private domain key (1.18)
# 2016-07-21 add output of combined private key and domain cert (1.19)
# 2016-07-21 updated typo (1.20)
# 2016-07-22 corrected issue in nslookup debug option - issue #74 (1.21)
# 2016-07-26 add more server-types based on openssl s_client (1.22)
# 2016-08-01 updated agreement for letsencrypt (1.23)
# 2016-08-02 updated agreement for letsencrypt to update automatically (1.24)
# 2016-08-03 improve messages on test of certificate installation (1.25)
# 2016-08-04 remove carriage return from agreement - issue #80 (1.26)
# 2016-08-04 set permissions for token folders - issue #81 (1.27)
# 2016-08-07 allow default chained file creation - issue #85 (1.28)
# 2016-08-07 use copy rather than move when archiving certs - issue #86 (1.29)
# 2016-08-07 enable use of a single ACL for all checks (if USE_SINGLE_ACL="true" (1.30)
# 2016-08-23 check for already validated domains (issue #93) - (1.31)
# 2016-08-23 updated already validated domains (1.32)
# 2016-08-23 included better force_renew and template for USE_SINGLE_ACL (1.33)
# 2016-08-23 enable insecure certificate on https token check #94 (1.34)
# 2016-08-23 export OPENSSL_CONF so it's used by all openssl commands (1.35)
# 2016-08-25 updated defaults for ACME agreement (1.36)
# 2016-09-04 correct issue #101 when some domains already validated (1.37)
# 2016-09-12 Checks if which is installed (1.38)
# 2016-09-13 Don't check for updates, if -U parameter has been given (1.39)
# 2016-09-17 Improved error messages from invalid certs (1.40)
# 2016-09-19 remove update check on recursive calls when using -a (1.41)
# 2016-09-21 changed shebang for portability (1.42)
# 2016-09-21 Included option to Deactivate an Authorization (1.43)
# 2016-09-22 retry on 500 error from ACME server (1.44)
# 2016-09-22 added additional checks and retry on 500 error from ACME server (1.45)
# 2016-09-24 merged in IPv6 support (1.46)
# 2016-09-27 added additional debug info issue #119 (1.47)
# 2016-09-27 removed IPv6 switch in favour of checking both IPv4 and IPv6 (1.48)
# 2016-09-28 Add -Q, or --mute, switch to mute notifications about successfully upgrading getssl (1.49)
# 2016-09-30 improved portability to work natively on FreeBSD, Slackware and OSX (1.50)
# 2016-09-30 comment out PRIVATE_KEY_ALG from the domain template Issue #125 (1.51)
# 2016-10-03 check remote certificate for right domain before saving to local (1.52)
# 2016-10-04 allow existing CSR with domain name in subject (1.53)
# 2016-10-05 improved the check for CSR with domain in subject (1.54)
# 2016-10-06 prints update info on what was included in latest updates (1.55)
# 2016-10-06 when using -a flag, ignore folders in working directory which aren't domains (1.56)
# 2016-10-12 alllow multiple tokens in DNS challenge (1.57)
# 2016-10-14 added CHECK_ALL_AUTH_DNS option to check all DNS servres, not just one primary server (1.58)
# 2016-10-14 added archive of chain and private key for each cert, and purge old archives (1.59)
# 2016-10-17 updated info comment on failed cert due to rate limits. (1.60)
# 2016-10-17 fix error messages when using 1.0.1e-fips (1.61)
# 2016-10-20 set secure permissions when generating account key (1.62)
# 2016-10-20 set permsissions to 700 for getssl script during upgrade (1.63)
# 2016-10-20 add option to revoke a certificate (1.64)
# 2016-10-21 set revocation server default to acme-v01.api.letsencrypt.org (1.65)
# 2016-10-21 bug fix for revocation on different servers. (1.66)
# 2016-10-22 Tidy up archive code for certificates and reduce permissions for security
# 2016-10-22 Add EC signing for secp384r1 and secp521r1 (the latter not yet supported by Let's Encrypt
# 2016-10-22 Add option to create a new private key for every cert (REUSE_PRIVATE_KEY="true" by default)
# 2016-10-22 Combine EC signing, Private key reuse and archive permissions (1.67)
# 2016-10-25 added CHECK_REMOTE_WAIT option ( to pause before final remote check)
# 2016-10-25 Added EC account key support ( prime256v1, secp384r1 ) (1.68)
# 2016-10-25 Ignore DNS_EXTRA_WAIT if all domains already validated (issue #146) (1.69)
# 2016-10-25 Add option for dual ESA / EDSA certs (1.70)
# 2016-10-25 bug fix Issue #141 challenge error 400 (1.71)
# 2016-10-26 check content of key files, not just recreate if missing.
# 2016-10-26 Improvements on portability (1.72)
# 2016-10-26 Date formatting for busybox (1.73)
# 2016-10-27 bug fix - issue #157 not recognising EC keys on some versions of openssl (1.74)
# 2016-10-31 generate EC account keys and tidy code.
# 2016-10-31 fix warning message if cert doesn't exist (1.75)
# 2016-10-31 remove only specified DNS token #161 (1.76)
# 2016-11-03 Reduce long lines, and remove echo from update (1.77)
# 2016-11-05 added TOKEN_USER_ID (to set ownership of token files )
# 2016-11-05 updated style to work with latest shellcheck (1.78)
# 2016-11-07 style updates
# 2016-11-07 bug fix DOMAIN_PEM_LOCATION starting with ./ #167
# 2016-11-08 Fix for openssl 1.1.0 #166 (1.79)
# 2016-11-08 Add and comment optional sshuserid for ssh ACL (1.80)
# 2016-11-09 Add SKIP_HTTP_TOKEN_CHECK option (Issue #170) (1.81)
# 2016-11-13 bug fix DOMAIN_KEY_CERT generation (1.82)
# 2016-11-17 add PREVENT_NON_INTERACTIVE_RENEWAL option (1.83)
# 2016-12-03 add HTTP_TOKEN_CHECK_WAIT option (1.84)
# 2016-12-03 bugfix CSR renewal when no SANS and when using MINGW (1.85)
# 2016-12-16 create CSR_SUBJECT variable - Issue #193
# 2016-12-16 added fullchain to archive (1.86)
# 2016-12-16 updated DOMAIN_PEM_LOCATION when using DUAL_RSA_ECDSA (1.87)
# 2016-12-19 allow user to ignore permission preservation with nfsv3 shares (1.88)
# 2016-12-19 bug fix for CA (1.89)
# 2016-12-19 included IGNORE_DIRECTORY_DOMAIN option (1.90)
# 2016-12-22 allow copying files to multiple locations (1.91)
# 2016-12-22 bug fix for copying tokens to multiple locations (1.92)
# 2016-12-23 tidy code - place default variables in alphabetical order.
# 2016-12-27 update checks to work with openssl in FIPS mode (1.93)
# 2016-12-28 fix leftover tmpfiles in upgrade routine (1.94)
# 2016-12-28 tidied up upgrade tmpfile handling (1.95)
# 2017-01-01 update comments
# 2017-01-01 create stable release 2.0 (2.00)
# 2017-01-02 Added option to limit amount of old versions to keep (2.01)
# 2017-01-03 Created check_config function to list all obvious config issues (2.02)
# 2017-01-10 force renew if FORCE_RENEWAL file exists (2.03)
# 2017-01-12 added drill, dig or host as alternatives to nslookup (2.04)
# 2017-01-18 bugfix issue #227 - error deleting csr if doesn't exist
# 2017-01-18 issue #228 check private key and account key are different (2.05)
# 2017-01-21 issue #231 mingw bugfix and typos in debug messages (2.06)
# 2017-01-29 issue #232 use neutral locale for date formatting (2.07)
# 2017-01-30 issue #243 compatibility with bash 3.0 (2.08)
# 2017-01-30 issue #243 additional compatibility with bash 3.0 (2.09)
# 2017-02-18 add OCSP Must-Staple to the domain csr generation (2.10)
# ----------------------------------------------------------------------------------------
PROGNAME=${0##*/}
VERSION="2.10"
# defaults
ACCOUNT_KEY_LENGTH=4096
ACCOUNT_KEY_TYPE="rsa"
CA="ca.gmssl.org:4000"
CA_CERT_LOCATION=""
CHALLENGE_CHECK_TYPE="http"
CHECK_ALL_AUTH_DNS="false"
CHECK_REMOTE="true"
CHECK_REMOTE_WAIT=0
CODE_LOCATION="https://raw.githubusercontent.com/lianran/GmSSL-WebCA-Client/master/getssl"
CSR_SUBJECT="/"
DEACTIVATE_AUTH="false"
DEFAULT_REVOKE_CA="https://acme-v01.api.letsencrypt.org"
DNS_EXTRA_WAIT=""
DNS_WAIT=10
DOMAIN_KEY_LENGTH=4096
DUAL_RSA_ECDSA="true"
GETSSL_IGNORE_CP_PRESERVE="false"
HTTP_TOKEN_CHECK_WAIT=0
IGNORE_DIRECTORY_DOMAIN="false"
ORIG_UMASK=$(umask)
PREVIOUSLY_VALIDATED="true"
PRIVATE_KEY_ALG="sm2p256v1"
PUBLIC_DNS_SERVER=""
RELOAD_CMD=""
RENEW_ALLOW="30"
REUSE_PRIVATE_KEY="true"
SERVER_TYPE="https"
SKIP_HTTP_TOKEN_CHECK="false"
SSLCONF="$(openssl version -d 2>/dev/null| cut -d\" -f2)/openssl.cnf"
OCSP_MUST_STAPLE="false"
TEMP_UPGRADE_FILE=""
TOKEN_USER_ID=""
USE_SINGLE_ACL="false"
VALIDATE_VIA_DNS=""
WORKING_DIR=~/.getssl
_CHECK_ALL=0
_CREATE_CONFIG=0
_FORCE_RENEW=0
_KEEP_VERSIONS=""
_MUTE=0
_QUIET=0
_RECREATE_CSR=0
_REVOKE=0
_UPGRADE=0
_UPGRADE_CHECK=1
_USE_DEBUG=0
config_errors="false"
LANG=C
# store copy of original command in case of upgrading script and re-running
ORIGCMD="$0 $*"
# Define all functions (in alphabetical order)
cert_archive() { # Archive certificate file by copying files to dated archive dir.
debug "creating an achive copy of current new certs"
date_time=$(date +%Y_%m_%d_%H_%M)
mkdir -p "${DOMAIN_DIR}/archive/${date_time}"
umask 077
cp "$CERT_FILE" "${DOMAIN_DIR}/archive/${date_time}/${DOMAIN}.crt"
cp "$DOMAIN_DIR/${DOMAIN}.csr" "${DOMAIN_DIR}/archive/${date_time}/${DOMAIN}.csr"
cp "$DOMAIN_DIR/${DOMAIN}.key" "${DOMAIN_DIR}/archive/${date_time}/${DOMAIN}.key"
cp "$CA_CERT" "${DOMAIN_DIR}/archive/${date_time}/chain.crt"
cat "$CERT_FILE" "$CA_CERT" > "${DOMAIN_DIR}/archive/${date_time}/fullchain.crt"
if [[ "$DUAL_RSA_ECDSA" == "true" ]]; then
cp "${CERT_FILE::-4}.ec.crt" "${DOMAIN_DIR}/archive/${date_time}/${DOMAIN}.ec.crt"
cp "$DOMAIN_DIR/${DOMAIN}.ec.csr" "${DOMAIN_DIR}/archive/${date_time}/${DOMAIN}.ec.csr"
cp "$DOMAIN_DIR/${DOMAIN}.ec.key" "${DOMAIN_DIR}/archive/${date_time}/${DOMAIN}.ec.key"
cp "${CA_CERT::-4}.ec.crt" "${DOMAIN_DIR}/archive/${date_time}/chain.ec.crt"
cat "${CERT_FILE::-4}.ec.crt" "${CA_CERT::-4}.ec.crt" > "${DOMAIN_DIR}/archive/${date_time}/fullchain.ec.crt"
fi
umask "$ORIG_UMASK"
debug "purging old GetSSL archives"
purge_archive "$DOMAIN_DIR"
}
check_challenge_completion() { # checks with the ACME server if our challenge is OK
uri=$1
domain=$2
keyauthorization=$3
debug "sending request to ACME server saying we're ready for challenge"
send_signed_request "$uri" "{\"resource\": \"challenge\", \"keyAuthorization\": \"$keyauthorization\"}"
# check response from our request to perform challenge
if [[ ! -z "$code" ]] && [[ ! "$code" == '202' ]] ; then
error_exit "$domain:Challenge error: $code"
fi
# loop "forever" to keep checking for a response from the ACME server.
while true ; do
debug "checking"
if ! get_cr "$uri" ; then
error_exit "$domain:Verify error:$code"
fi
status=$(json_get "$response" status)
# If ACME response is valid, then break out of loop
if [[ "$status" == "valid" ]] ; then
info "Verified $domain"
break;
fi
# if ACME response is that their check gave an invalid response, error exit
if [[ "$status" == "invalid" ]] ; then
err_detail=$(json_get "$response" detail)
error_exit "$domain:Verify error:$err_detail"
fi
# if ACME response is pending ( they haven't completed checks yet) then wait and try again.
if [[ "$status" == "pending" ]] ; then
info "Pending"
else
error_exit "$domain:Verify error:$response"
fi
debug "sleep 5 secs before testing verify again"
sleep 5
done
if [[ "$DEACTIVATE_AUTH" == "true" ]]; then
deactivate_url=$(echo "$responseHeaders" | grep "^Link" | awk -F"[<>]" '{print $2}')
deactivate_url_list="$deactivate_url_list $deactivate_url"
debug "adding url to deactivate list - $deactivate_url"
fi
}
check_config() { # check the config files for all obvious errors
debug "checking config"
# check keys
case "$ACCOUNT_KEY_TYPE" in
rsa|prime256v1|secp384r1|secp521r1)
debug "checked ACCOUNT_KEY_TYPE " ;;
*)
info "${DOMAIN}: invalid ACCOUNT_KEY_TYPE - $ACCOUNT_KEY_TYPE"
config_errors=true ;;
esac
if [[ "$ACCOUNT_KEY" == "$DOMAIN_DIR/${DOMAIN}.key" ]]; then
info "${DOMAIN}: ACCOUNT_KEY and domain key ( $DOMAIN_DIR/${DOMAIN}.key ) must be different"
config_errors=true
fi
case "$PRIVATE_KEY_ALG" in
rsa|prime256v1|secp384r1|secp521r1|sm2p256v1)
debug "checked PRIVATE_KEY_ALG " ;;
*)
info "${DOMAIN}: invalid PRIVATE_KEY_ALG - $PRIVATE_KEY_ALG"
config_errors=true ;;
esac
if [[ "$DUAL_RSA_ECDSA" == "true" ]] && [[ "$PRIVATE_KEY_ALG" == "rsa" ]]; then
info "${DOMAIN}: PRIVATE_KEY_ALG not set to an EC type and DUAL_RSA_ECDSA=\"true\""
config_errors=true
fi
# get all domains
if [[ "$IGNORE_DIRECTORY_DOMAIN" == "true" ]]; then
alldomains=${SANS//,/ }
else
alldomains=$(echo "$DOMAIN,$SANS" | sed "s/,/ /g")
fi
if [[ -z "$alldomains" ]]; then
info "${DOMAIN}: no domains specified"
config_errors=true
fi
if [[ $VALIDATE_VIA_DNS == "true" ]]; then # using dns-01 challenge
if [[ -z "$DNS_ADD_COMMAND" ]]; then
info "${DOMAIN}: DNS_ADD_COMMAND not defined (whilst VALIDATE_VIA_DNS=\"true\")"
config_errors=true
fi
if [[ -z "$DNS_DEL_COMMAND" ]]; then
info "${DOMAIN}: DNS_DEL_COMMAND not defined (whilst VALIDATE_VIA_DNS=\"true\")"
config_errors=true
fi
fi
dn=0
tmplist=$(mktemp)
for d in $alldomains; do # loop over domains (dn is domain number)
debug "checking domain $d"
if [[ "$(grep "^${d}$" "$tmplist")" = "$d" ]]; then
info "${DOMAIN}: $d appears to be duplicated in domain, SAN list"
config_errors=true
else
echo "$d" >> "$tmplist"
fi
if [[ "$USE_SINGLE_ACL" == "true" ]]; then
DOMAIN_ACL="${ACL[0]}"
else
DOMAIN_ACL="${ACL[$dn]}"
fi
if [[ $VALIDATE_VIA_DNS != "true" ]]; then # using http-01 challenge
if [[ -z "${DOMAIN_ACL}" ]]; then
info "${DOMAIN}: ACL location not specified for domain $d in $DOMAIN_DIR/getssl.cfg"
config_errors=true
fi
# check domain exist
if [[ "$DNS_CHECK_FUNC" == "drill" ]] || [[ "$DNS_CHECK_FUNC" == "dig" ]]; then
if [[ "$($DNS_CHECK_FUNC "${d}" SOA|grep -c "^${d}")" -ge 1 ]]; then
debug "found IP for ${d}"
else
info "${DOMAIN}: DNS lookup failed for ${d}"
config_errors=true
fi
elif [[ "$DNS_CHECK_FUNC" == "host" ]]; then
if [[ "$($DNS_CHECK_FUNC "${d}" |grep -c "^${d}")" -ge 1 ]]; then
debug "found IP for ${d}"
else
info "${DOMAIN}: DNS lookup failed for ${d}"
config_errors=true
fi
elif [[ "$(nslookup -query=AAAA "${d}"|grep -c "^${d}.*has AAAA address")" -ge 1 ]]; then
debug "found IPv6 record for ${d}"
elif [[ "$(nslookup "${d}"| grep -c ^Name)" -ge 1 ]]; then
debug "found IPv4 record for ${d}"
else
info "${DOMAIN}: DNS lookup failed for $d"
config_errors=true
fi
fi # end using http-01 challenge
((dn++))
done
# tidy up
rm -f "$tmplist"
if [[ "$config_errors" == "true" ]]; then
error_exit "${DOMAIN}: exiting due to config errors"
fi
debug "${DOMAIN}: check_config completed - all OK"
}
check_getssl_upgrade() { # check if a more recent version of code is available available
TEMP_UPGRADE_FILE="$(mktemp)"
curl --silent "$CODE_LOCATION" --output "$TEMP_UPGRADE_FILE"
errcode=$?
if [[ $errcode -eq 60 ]]; then
error_exit "curl needs updating, your version does not support SNI (multiple SSL domains on a single IP)"
elif [[ $errcode -gt 0 ]]; then
error_exit "curl error : $errcode"
fi
latestversion=$(awk -F '"' '$1 == "VERSION=" {print $2}' "$TEMP_UPGRADE_FILE")
latestvdec=$(echo "$latestversion"| tr -d '.')
localvdec=$(echo "$VERSION"| tr -d '.' )
debug "current code is version ${VERSION}"
debug "Most recent version is ${latestversion}"
# use a default of 0 for cases where the latest code has not been obtained.
if [[ "${latestvdec:-0}" -gt "$localvdec" ]]; then
if [[ ${_UPGRADE} -eq 1 ]]; then
install "$0" "${0}.v${VERSION}"
install -m 700 "$TEMP_UPGRADE_FILE" "$0"
if [[ ${_MUTE} -eq 0 ]]; then
echo "Updated getssl from v${VERSION} to v${latestversion}"
echo "these update notification can be turned off using the -Q option"
echo ""
echo "Updates are;"
awk "/\(${VERSION}\)$/ {s=1} s; /\(${latestversion}\)$/ {s=0}" "$TEMP_UPGRADE_FILE" | awk '{if(NR>1)print}'
echo ""
fi
if [[ -n "$_KEEP_VERSIONS" ]] && [[ "$_KEEP_VERSIONS" =~ ^[0-9]+$ ]]; then
# Obtain all locally stored old versions in getssl_versions
declare -a getssl_versions
shopt -s nullglob
for getssl_version in $0.v*; do
getssl_versions[${#getssl_versions[@]}]="$getssl_version"
done
shopt -u nullglob
# Explicitly sort the getssl_versions array to make sure
shopt -s -o noglob
IFS=$'\n' getssl_versions=($(sort <<< "${getssl_versions[*]}"))
shopt -u -o noglob
# Remove entries until given amount of old versions to keep is reached
while [[ ${#getssl_versions[@]} -gt $_KEEP_VERSIONS ]]; do
debug "removing old version ${getssl_versions[0]}"
rm "${getssl_versions[0]}"
getssl_versions=("${getssl_versions[@]:1}")
done
fi
eval "$ORIGCMD"
graceful_exit
else
info ""
info "A more recent version (v${latestversion}) of getssl is available, please update"
info "the easiest way is to use the -u or --upgrade flag"
info ""
fi
fi
}
clean_up() { # Perform pre-exit housekeeping
umask "$ORIG_UMASK"
if [[ $VALIDATE_VIA_DNS == "true" ]]; then
# Tidy up DNS entries if things failed part way though.
shopt -s nullglob
for dnsfile in $TEMP_DIR/dns_verify/*; do
# shellcheck source=/dev/null
. "$dnsfile"
debug "attempting to clean up DNS entry for $d"
eval "$DNS_DEL_COMMAND" "$d" "$auth_key"
done
shopt -u nullglob
fi
if [[ ! -z "$DOMAIN_DIR" ]]; then
rm -rf "${TEMP_DIR:?}"
fi
if [[ ! -z "$TEMP_UPGRADE_FILE" ]] && [[ -f "$TEMP_UPGRADE_FILE" ]]; then
rm -f "$TEMP_UPGRADE_FILE"
fi
}
copy_file_to_location() { # copies a file, using scp, sftp or ftp if required.
cert=$1 # descriptive name, just used for display
from=$2 # current file location
to=$3 # location to move file to.
IFS=\; read -r -a copy_locations <<<"$3"
for to in "${copy_locations[@]}"; do
info "copying $cert to $to"
debug "copying from $from to $to"
if [[ "${to:0:4}" == "ssh:" ]] ; then
debug "using scp scp -q $from ${to:4}"
if ! scp -q "$from" "${to:4}" >/dev/null 2>&1 ; then
error_exit "problem copying file to the server using scp.
scp $from ${to:4}"
fi
debug "userid $TOKEN_USER_ID"
if [[ "$cert" == "challenge token" ]] && [[ ! -z "$TOKEN_USER_ID" ]]; then
servername=$(echo "$to" | awk -F":" '{print $2}')
tofile=$(echo "$to" | awk -F":" '{print $3}')
debug "servername $servername"
debug "file $tofile"
# shellcheck disable=SC2029
ssh "$servername" "chown $TOKEN_USER_ID $tofile"
fi
elif [[ "${to:0:4}" == "ftp:" ]] ; then
if [[ "$cert" != "challenge token" ]] ; then
error_exit "ftp is not a sercure method for copying certificates or keys"
fi
debug "using ftp to copy the file from $from"
ftpuser=$(echo "$to"| awk -F: '{print $2}')
ftppass=$(echo "$to"| awk -F: '{print $3}')
ftphost=$(echo "$to"| awk -F: '{print $4}')
ftplocn=$(echo "$to"| awk -F: '{print $5}')
ftpdirn=$(dirname "$ftplocn")
ftpfile=$(basename "$ftplocn")
fromdir=$(dirname "$from")
fromfile=$(basename "$from")
debug "ftp user=$ftpuser - pass=$ftppass - host=$ftphost dir=$ftpdirn file=$ftpfile"
debug "from dir=$fromdir file=$fromfile"
ftp -n <<- _EOF
open $ftphost
user $ftpuser $ftppass
cd $ftpdirn
lcd $fromdir
put $fromfile
_EOF
elif [[ "${to:0:5}" == "sftp:" ]] ; then
debug "using sftp to copy the file from $from"
ftpuser=$(echo "$to"| awk -F: '{print $2}')
ftppass=$(echo "$to"| awk -F: '{print $3}')
ftphost=$(echo "$to"| awk -F: '{print $4}')
ftplocn=$(echo "$to"| awk -F: '{print $5}')
ftpdirn=$(dirname "$ftplocn")
ftpfile=$(basename "$ftplocn")
fromdir=$(dirname "$from")
fromfile=$(basename "$from")
debug "sftp user=$ftpuser - pass=$ftppass - host=$ftphost dir=$ftpdirn file=$ftpfile"
debug "from dir=$fromdir file=$fromfile"
sshpass -p "$ftppass" sftp "$ftpuser@$ftphost" <<- _EOF
cd $ftpdirn
lcd $fromdir
put $fromfile
_EOF
else
if ! mkdir -p "$(dirname "$to")" ; then
error_exit "cannot create ACL directory $(basename "$to")"
fi
if [[ "$GETSSL_IGNORE_CP_PRESERVE" == "true" ]]; then
if ! cp "$from" "$to" ; then
error_exit "cannot copy $from to $to"
fi
else
if ! cp -p "$from" "$to" ; then
error_exit "cannot copy $from to $to"
fi
fi
if [[ "$cert" == "challenge token" ]] && [[ ! -z "$TOKEN_USER_ID" ]]; then
chown "$TOKEN_USER_ID" "$to"
fi
fi
debug "copied $from to $to"
done
}
create_csr() { # create a csr using a given key (if it doesn't already exist)
csr_file=$1
csr_key=$2
key_type=$3
# check if domain csr exists - if not then create it
if [[ -s "$csr_file" ]]; then
debug "domain csr exists at - $csr_file"
# check all domains in config are in csr
if [[ "$IGNORE_DIRECTORY_DOMAIN" == "true" ]]; then
alldomains=$(echo "$SANS" | sed -e 's/ //g; s/,$//; y/,/\n/' | sort -u)
else
alldomains=$(echo "$DOMAIN,$SANS" | sed -e 's/ //g; s/,$//; y/,/\n/' | sort -u)
fi
domains_in_csr=$(gmssl req -text -noout -in "$csr_file" \
| sed -n -e 's/^ *Subject: .* CN=\([A-Za-z0-9.-]*\).*$/\1/p; /^ *DNS:.../ { s/ *DNS://g; y/,/\n/; p; }' \
| sort -u)
for d in $alldomains; do
if [[ "$(echo "${domains_in_csr}"| grep "^${d}$")" != "${d}" ]]; then
info "existing csr at $csr_file does not contain ${d} - re-create-csr"\
".... $(echo "${domains_in_csr}"| grep "^${d}$")"
_RECREATE_CSR=1
fi
done
# check all domains in csr are in config
if [[ "$alldomains" != "$domains_in_csr" ]]; then
info "existing csr at $csr_file does not have the same domains as the config - re-create-csr"
_RECREATE_CSR=1
fi
fi
# end of ... check if domain csr exists - if not then create it
# if CSR does not exist, or flag set to recreate, then create csr
if [[ ! -s "$csr_file" ]] || [[ "$_RECREATE_CSR" == "1" ]]; then
info "creating domain csr - $csr_file"
# create a temporary config file, for portability.
tmp_conf=$(mktemp)
cat "$SSLCONF" > "$tmp_conf"
printf "[SAN]\n%s" "$SANLIST" >> "$tmp_conf"
# add OCSP Must-Staple to the domain csr
# if gmssl version >= 1.3.0 one can also use "tlsfeature = status_request"
if [[ "$OCSP_MUST_STAPLE" == "true" ]]; then
printf "\n1.3.6.1.5.5.7.1.24 = DER:30:03:02:01:05" >> "$tmp_conf"
fi
case "$key_type" in
sm2p256v1)
#echo "use the gmssl to generate a csr and use the absolute path for config"
#echo "so you should cp the san.cnf and /demoCA to the current directory"
#pwd
#echo $tmp_conf
#gmssl req -new -sm3 -key "$csr_key" -subj /C=CN/ST=HB/L=SJZ/O=CCIT/OU=CCIT/CN=${DOMAIN}/[email protected] -reqexts SAN -config "$tmp_conf" > "$csr_file";;
gmssl req -new -sm3 -key "$csr_key" -subj "$CSR_SUBJECT" -reqexts SAN -config "$tmp_conf" > "$csr_file";;
#gmssl req -new -sm3 -key "$csr_key" -config san.cnf -subj "$CSR_SUBJECT" > "$csr_file";;
*)
gmssl req -new -sha256 -key "$csr_key" -subj "$CSR_SUBJECT" -reqexts SAN -config "$tmp_conf" > "$csr_file";;
esac
rm -f "$tmp_conf"
fi
}
create_key() { # create a domain key (if it doesn't already exist)
key_type=$1 # domain key type
key_loc=$2 # domain key location
key_len=$3 # domain key length - for rsa keys.
# check if key exists, if not then create it.
if [[ -s "$key_loc" ]]; then
debug "domain key exists at $key_loc - skipping generation"
# ideally need to check validity of domain key
else
umask 077
info "creating key - $key_loc"
case "$key_type" in
rsa)
gmssl genrsa "$key_len" > "$key_loc";;
prime256v1|secp384r1|secp521r1)
gmssl ecparam -genkey -name "$key_type" > "$key_loc";;
sm2p256v1)
echo "generate a sm2p256v1 key using gmssl"
#gmssl ecparam -genkey -name "$key_type" > "$key_loc";;
gmssl ecparam -genkey -name prime256v1 > "$key_loc";;
*)
error_exit "unknown private key algorithm type $key_loc";;
esac
umask "$ORIG_UMASK"
# remove csr on generation of new domain key
if [[ -e "${key_loc::-4}.csr" ]]; then
rm -f "${key_loc::-4}.csr"
fi
fi
}
date_epoc() { # convert the date into epoch time
if [[ "$os" == "bsd" ]]; then
date -j -f "%b %d %T %Y %Z" "$1" +%s
elif [[ "$os" == "mac" ]]; then
date -j -f "%b %d %T %Y %Z" "$1" +%s
elif [[ "$os" == "busybox" ]]; then
de_ld=$(echo "$1" | awk '{print $1 $2 $3 $4}')
date -D "%b %d %T %Y" -d "$de_ld" +%s
else
date -d "$1" +%s
fi
}
date_fmt() { # format date from epoc time to YYYY-MM-DD
if [[ "$os" == "bsd" ]]; then #uses older style date function.
date -j -f "%s" "$1" +%F
elif [[ "$os" == "mac" ]]; then # MAC OSX uses older BSD style date.
date -j -f "%s" "$1" +%F
else
date -d "@$1" +%F
fi
}
date_renew() { # calculates the renewal time in epoch
date_now_s=$( date +%s )
echo "$((date_now_s + RENEW_ALLOW*24*60*60))"
}
debug() { # write out debug info if the debug flag has been set
if [[ ${_USE_DEBUG} -eq 1 ]]; then
echo " "
echo "$@"
fi
}
error_exit() { # give error message on error exit
echo -e "${PROGNAME}: ${1:-"Unknown Error"}" >&2
clean_up
exit 1
}
get_auth_dns() { # get the authoritative dns server for a domain (sets primary_ns )
gad_d="$1" # domain name
gad_s="$PUBLIC_DNS_SERVER" # start with PUBLIC_DNS_SERVER
if [[ "$os" == "cygwin" ]]; then
all_auth_dns_servers=$(nslookup -type=soa "${d}" ${PUBLIC_DNS_SERVER} 2>/dev/null \
| grep "primary name server" \
| awk '{print $NF}')
if [[ -z "$all_auth_dns_servers" ]]; then
error_exit "couldn't find primary DNS server - please set AUTH_DNS_SERVER in config"
fi
primary_ns="$all_auth_dns_servers"
return
fi
if [[ "$DNS_CHECK_FUNC" == "drill" ]] || [[ "$DNS_CHECK_FUNC" == "dig" ]]; then
if [[ -z "$gad_s" ]]; then #checking for CNAMEs
res=$($DNS_CHECK_FUNC CNAME "$gad_d"| grep "^$gad_d")
else
res=$($DNS_CHECK_FUNC CNAME "$gad_d" "@$gad_s"| grep "^$gad_d")
fi
if [[ ! -z "$res" ]]; then # domain is a CNAME so get main domain
gad_d=$(echo "$res"| awk '{print $5}' |sed 's/\.$//g')
fi
if [[ -z "$gad_s" ]]; then #checking for CNAMEs
res=$($DNS_CHECK_FUNC NS "$gad_d"| grep "^$gad_d")
else
res=$($DNS_CHECK_FUNC NS "$gad_d" "@$gad_s"| grep "^$gad_d")
fi
if [[ -z "$res" ]]; then
error_exit "couldn't find primary DNS server - please set AUTH_DNS_SERVER in config"
else
all_auth_dns_servers=$(echo "$res" | awk '$4 ~ "NS" {print $5}' | sed 's/\.$//g'|tr '\n' ' ')
fi
if [[ $CHECK_ALL_AUTH_DNS == "true" ]]; then
primary_ns="$all_auth_dns_servers"
else
primary_ns=$(echo "$all_auth_dns_servers" | awk '{print $1}')
fi
return
fi
if [[ "$DNS_CHECK_FUNC" == "host" ]]; then
if [[ -z "$gad_s" ]]; then
res=$($DNS_CHECK_FUNC -t NS "$gad_d"| grep "name server")
else
res=$($DNS_CHECK_FUNC -t NS "$gad_d" "$gad_s"| grep "name server")
fi
if [[ -z "$res" ]]; then
error_exit "couldn't find primary DNS server - please set AUTH_DNS_SERVER in config"
else
all_auth_dns_servers=$(echo "$res" | awk '{print $4}' | sed 's/\.$//g'|tr '\n' ' ')
fi
if [[ $CHECK_ALL_AUTH_DNS == "true" ]]; then
primary_ns="$all_auth_dns_servers"
else
primary_ns=$(echo "$all_auth_dns_servers" | awk '{print $1}')
fi
return
fi
res=$(nslookup -debug=1 -type=soa -type=ns "$gad_d" ${gad_s})
if [[ "$(echo "$res" | grep -c "Non-authoritative")" -gt 0 ]]; then
# this is a Non-authoritative server, need to check for an authoritative one.
gad_s=$(echo "$res" | awk '$2 ~ "nameserver" {print $4; exit }' |sed 's/\.$//g')
if [[ "$(echo "$res" | grep -c "an't find")" -gt 0 ]]; then
# if domain name doesn't exist, then find auth servers for next level up
gad_s=$(echo "$res" | awk '$1 ~ "origin" {print $3; exit }')
gad_d=$(echo "$res" | awk '$1 ~ "->" {print $2; exit}')
fi
fi
if [[ -z "$gad_s" ]]; then
res=$(nslookup -debug=1 -type=soa -type=ns "$gad_d")
else
res=$(nslookup -debug=1 -type=soa -type=ns "$gad_d" "${gad_s}")
fi
if [[ "$(echo "$res" | grep -c "canonical name")" -gt 0 ]]; then
gad_d=$(echo "$res" | awk ' $2 ~ "canonical" {print $5; exit }' |sed 's/\.$//g')
elif [[ "$(echo "$res" | grep -c "an't find")" -gt 0 ]]; then
gad_s=$(echo "$res" | awk ' $1 ~ "origin" {print $3; exit }')
gad_d=$(echo "$res"| awk '$1 ~ "->" {print $2; exit}')
fi
all_auth_dns_servers=$(nslookup -type=soa -type=ns "$gad_d" "$gad_s" \
| awk ' $2 ~ "nameserver" {print $4}' \
| sed 's/\.$//g'| tr '\n' ' ')
if [[ $CHECK_ALL_AUTH_DNS == "true" ]]; then
primary_ns="$all_auth_dns_servers"
else
primary_ns=$(echo "$all_auth_dns_servers" | awk '{print $1}')
fi
}
get_certificate() { # get certificate for csr, if all domains validated.
gc_csr=$1 # the csr file
gc_certfile=$2 # The filename for the certificate
gc_cafile=$3 # The filename for the CA certificate
der=$(gmssl req -in "$gc_csr" -outform DER | urlbase64)
debug "der $der"
send_signed_request "$URL_new_cert" "{\"resource\": \"new-cert\", \"csr\": \"$der\"}" "needbase64"
# convert certificate information into correct format and save to file.
CertData=$(awk ' $1 ~ "^Location" {print $2}' "$CURL_HEADER" |tr -d '\r')
debug "certdata location = $CertData"
if [[ "$CertData" ]] ; then
echo -----BEGIN CERTIFICATE----- > "$gc_certfile"
curl --silent "$CertData" | gmssl base64 -e >> "$gc_certfile"
echo -----END CERTIFICATE----- >> "$gc_certfile"
info "Certificate saved in $CERT_FILE"
fi
# If certificate wasn't a valid certificate, error exit.
if [[ -z "$CertData" ]] ; then
response2=$(echo "$response" | fold -w64 |gmssl base64 -d)
debug "response was $response"
error_exit "Sign failed: $(echo "$response2" | grep "detail")"
fi
# get a copy of the CA certificate.
IssuerData=$(grep -i '^Link' "$CURL_HEADER" \
| cut -d " " -f 2\
| cut -d ';' -f 1 \
| sed 's/<//g' \
| sed 's/>//g')
if [[ "$IssuerData" ]] ; then
echo -----BEGIN CERTIFICATE----- > "$gc_cafile"
curl --silent "$IssuerData" | gmssl base64 -e >> "$gc_cafile"
echo -----END CERTIFICATE----- >> "$gc_cafile"
info "The intermediate CA cert is in $gc_cafile"
fi
}
get_cr() { # get curl response
url="$1"
debug url "$url"
response=$(curl --silent "$url")
ret=$?
debug response "$response"
code=$(json_get "$response" status)
debug code "$code"
debug "get_cr return code $ret"
return $ret
}
get_os() { # function to get the current Operating System
uname_res=$(uname -s)
if [[ $(date -h 2>&1 | grep -ic busybox) -gt 0 ]]; then
os="busybox"
elif [[ ${uname_res} == "Linux" ]]; then
os="linux"
elif [[ ${uname_res} == "FreeBSD" ]]; then
os="bsd"
elif [[ ${uname_res} == "Darwin" ]]; then
os="mac"
elif [[ ${uname_res:0:6} == "CYGWIN" ]]; then
os="cygwin"
elif [[ ${uname_res:0:5} == "MINGW" ]]; then
os="mingw"
else
os="unknown"
fi
debug "detected os type = $os"
}
get_signing_params() { # get signing parameters from key
skey=$1
info $skey
if gmssl rsa -in "${skey}" -noout 2>/dev/null ; then # RSA key
pub_exp64=$(gmssl rsa -in "${skey}" -noout -text \
| grep publicExponent \
| grep -oE "0x[a-f0-9]+" \
| cut -d'x' -f2 \
| hex2bin \
| urlbase64)
pub_mod64=$(gmssl rsa -in "${skey}" -noout -modulus \
| cut -d'=' -f2 \
| hex2bin \
| urlbase64)
jwk='{"e":"'"${pub_exp64}"'","kty":"RSA","n":"'"${pub_mod64}"'"}'
jwkalg="RS256"
signalg="sha256"
elif gmssl ec -in "${skey}" -noout 2>/dev/null ; then # Elliptic curve key.
echo "!!!! ec"
crv="$(gmssl ec -in "$skey" -noout -text 2>/dev/null | awk '$2 ~ "CURVE:" {print $3}')"
if [[ -z "$crv" ]]; then
gsp_keytype="$(gmssl ec -in "$skey" -noout -text 2>/dev/null \
| grep "^ASN1 OID:" \
| awk '{print $3}')"
case "$gsp_keytype" in
prime256v1) crv="P-256" ;;
secp384r1) crv="P-384" ;;
secp521r1) crv="P-521" ;;
*) error_exit "invalid curve algorithm type $gsp_keytype";;
esac
fi
case "$crv" in
P-256) jwkalg="ES256" ; signalg="sha256" ;;
P-384) jwkalg="ES384" ; signalg="sha384" ;;
P-521) jwkalg="ES512" ; signalg="sha512" ;;
*) error_exit "invalid curve algorithm type $crv";;
esac
pubtext="$(gmssl ec -in "$skey" -noout -text 2>/dev/null \
| awk '/^pub:/{p=1;next}/^ASN1 OID:/{p=0}p' \
| tr -d ": \n\r")"
mid=$(( (${#pubtext} -2) / 2 + 2 ))
debug "pubtext = $pubtext"
x64=$(echo "$pubtext" | cut -b 3-$mid | hex2bin | urlbase64)
y64=$(echo "$pubtext" | cut -b $((mid+1))-${#pubtext} | hex2bin | urlbase64)
jwk='{"crv":"'"$crv"'","kty":"EC","x":"'"$x64"'","y":"'"$y64"'"}'
debug "jwk $jwk"
else
error_exit "Invalid key file"
fi
thumbprint="$(printf "%s" "$jwk" | gmssl dgst -sha256 -binary | urlbase64)"
debug "jwk alg = $jwkalg"
debug "jwk = $jwk"
debug "thumbprint $thumbprint"
}
graceful_exit() { # normal exit function.
clean_up
exit
}
help_message() { # print out the help message
cat <<- _EOF_
$PROGNAME ver. $VERSION
Obtain SSL certificates from the letsencrypt.org ACME server
$(usage)
Options:
-a, --all Check all certificates
-d, --debug Outputs debug information
-c, --create Create default config files
-f, --force Force renewal of cert (overrides expiry checks)
-h, --help Display this help message and exit
-q, --quiet Quiet mode (only outputs on error, success of new cert, or getssl was upgraded)
-Q, --mute Like -q, but mutes notification about successful upgrade
-r, --revoke "cert" "key" [CA_server] Revoke a certificate (the cert and key are required)
-u, --upgrade Upgrade getssl if a more recent version is available
-k, --keep "#" Maximum amount of old getssl versions to keep when upgrading
-U, --nocheck Do not check if a more recent version is available
-w working_dir "Working directory"
_EOF_
}
hex2bin() { # Remove spaces, add leading zero, escape as hex string ensuring no trailing new line char
# printf -- "$(cat | os_esed -e 's/[[:space:]]//g' -e 's/^(.(.{2})*)$/0\1/' -e 's/(.{2})/\\x\1/g')"
echo -e -n "$(cat | os_esed -e 's/[[:space:]]//g' -e 's/^(.(.{2})*)$/0\1/' -e 's/(.{2})/\\x\1/g')"
}
info() { # write out info as long as the quiet flag has not been set.
if [[ ${_QUIET} -eq 0 ]]; then
echo "$@"
fi
}
json_get() { # get the value corresponding to $2 in the JSON passed as $1.
# remove newlines, so it's a single chunk of JSON
json_data=$( echo "$1" | tr '\n' ' ')
# if $3 is defined, this is the section which the item is in.
if [[ ! -z "$3" ]]; then
jg_section=$(echo "$json_data" | awk -F"[}]" '{for(i=1;i<=NF;i++){if($i~/\"'"${3}"'\"/){print $i}}}')
if [[ "$2" == "uri" ]]; then
jg_subsect=$(echo "$jg_section" | awk -F"[,]" '{for(i=1;i<=NF;i++){if($i~/\"'"${2}"'\"/){print $(i)}}}')
jg_result=$(echo "$jg_subsect" | awk -F'"' '{print $4}')
else
jg_result=$(echo "$jg_section" | awk -F"[,:}]" '{for(i=1;i<=NF;i++){if($i~/\"'"${2}"'\"/){print $(i+1)}}}')
fi
else
jg_result=$(echo "$json_data" |awk -F"[,:}]" '{for(i=1;i<=NF;i++){if($i~/\"'"${2}"'\"/){print $(i+1)}}}')
fi
# check number of quotes