mirror of https://codeberg.org/alpine/alpine-wiki.git synced 2023-08-25 13:53:16 +02:00

mckayshirou e7302a3c10 wiki structure mayor change: reestructuration in two mayor directories

* the documentation will handle the newbies section, simplification
* the professional documens will be merged with the new documents directories
* rest of informal or fast forward contributions will be in tutorials

2022-09-18 10:52:36 -04:00

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dehydrated

Ultra simple letsencrypt/acme client implemented as a shell-script - just add water 😆

features

PROS

multi domain
using webservers
full setup

CONS

no package usage, direct provider upstream
just commands no explanations
only http-01 methods

requirements

the domain (here we use venenux.com) must has valid DNS
alpine must be 3.8+ recomended 3.10 or 3.12

instalation

apk del acme.sh

apk add openssl curl wget bash

wget https://raw.githubusercontent.com/dehydrated-io/dehydrated/master/dehydrated -O /usr/bin/dehydrated

chmod 755 /usr/bin/dehydrated

main configuration

mkdir -p /etc/dehydrated/
cat > /etc/dehydrated/config << EOF
CONFIG_D=/etc/dehydrated/conf.d
BASEDIR=/var/lib/dehydrated
WELLKNOWN="\${BASEDIR}/acme-challenges"
DOMAINS_TXT="/etc/dehydrated/domains.txt"
EOF

mkdir -p /etc/dehydrated/conf.d

cat > /etc/dehydrated/domains.txt << EOF
venenux.com www.venenux.com altern.venenux.com
EOF

cat > /etc/dehydrated/conf.d/00_defaultaccount.sh << EOF
CONTACT_EMAIL="mckaygerhard@venenux.com"
EOF

mkdir -p /var/lib/dehydrated/certs

mkdir -p /var/lib/dehydrated/acme-challenges/

mkdir -p /var/lib/dehydrated/hooks.d

cat > /var/lib/dehydrated/hooks.sh << EOF
#!/bin/bash
for file in /var/lib/dehydrated/hooks.d/*
do
    if [ -f "\${file}" ]; then
        \${file} "\$@"
    fi
done
EOF

chmod +x /var/lib/dehydrated/hooks.sh

mkdir /etc/dehydrated/conf.d/
cat > /etc/dehydrated/conf.d/01_defaulthooks.sh << EOF
HOOK="/var/lib/dehydrated/hooks.sh"
EOF

/usr/bin/dehydrated --register --accept-terms --challenge http-01

initial cert file

mkdir -p /etc/ssl/certs/

openssl req -x509 -days 1460 -nodes -newkey rsa:4096 \
   -subj "/C=VE/ST=Bolivar/L=Upata/O=VenenuX/OU=Systemas:hozYmartillo/CN=localhost" \
   -keyout /etc/ssl/certs/localhost.pem -out /etc/ssl/certs/localhost.pem

chmod 640 /etc/ssl/certs/localhost.pem

chown root:www-data /etc/ssl/certs/localhost.pem

cp /etc/ssl/certs/localhost.pem /etc/ssl/certs/venenux.com.pem

setup for lighttpd

apk add lighttpd

sed -i -r 's#alias.url =#alias.url +=#g' /etc/lighttpd/mod_cgi.conf
cat > /etc/lighttpd/mod_dehydrated.conf << EOF
alias.url += (
 "/.well-known/acme-challenge/" => "/var/lib/dehydrated/acme-challenges/",
)
EOF
itawxrc="";itawxrc=$(grep 'include "mod_dehydrated.conf' /etc/lighttpd/lighttpd.conf);[[ "$itawxrc" != "" ]] && echo listo || sed -i -r 's#.*include "mime-types.conf".*#include "mime-types.conf"\ninclude "mod_dehydrated.conf"#g' /etc/lighttpd/lighttpd.conf

rc-service lighttpd restart

cat > /etc/lighttpd/mod_ssl.conf << EOF
server.modules += ("mod_openssl")
\$HTTP["scheme"] == "http" {
    \$HTTP["host"] =~ ".*" {
        url.redirect += (".*" => "https://%0\$0")
    }
}
\$SERVER["socket"] == "0.0.0.0:443" {
 include "mod_ssl_conf.conf" 
}
\$SERVER["socket"] == "[::]:443" {
 server.use-ipv6 = "enable"
 include "mod_ssl_conf.conf" 
}
EOF

cat > mod_ssl_conf.conf << EOF
ssl.engine  = "enable"
ssl.pemfile = "/etc/ssl/certs/localhost.pem"
   \$HTTP["host"] =~ "(^other|www\.venenux.com)" {
        ssl.pemfile = "/etc/ssl/certs/venenux.com.pem"
    }
ssl.cipher-list = "ECDHE-RSA-AES256-SHA384:AES256-SHA256:RC4:HIGH:!MD5:!aNULL:!EDH:!AESGCM"
ssl.honor-cipher-order = "enable"
EOF

rc-service lighttpd restart

setup for apache2

periodic updates

rm /etc/periodic/*/dehydrated*

cat > /etc/periodic/monthly/dehydrated << EOF
#!/bin/bash
/usr/bin/dehydrated --cleanup 
/usr/bin/dehydrated -x --cron --challenge http-01  --force 

cp -f /var/lib/dehydrated/certs/venenux.com/combined.pem /etc/ssl/certs/venenux.com.pem
chmod 640 /etc/ssl/certs/venenux.com.pem
chown root:www-data /etc/ssl/certs/venenux.com.pem

/sbin/service lighttpd restart
/sbin/service nginx restart
/sbin/service apache2 restart
EOF

chmod 755 /etc/periodic/monthly/dehydrated

executing and testing

/etc/periodic/monthly/dehydrated

Anexes : combined pem hook

#!/usr/bin/env bash
deploy_cert() {
    local DOMAIN="${1}" KEYFILE="${2}" CERTFILE="${3}" FULLCHAINFILE="${4}" CHAINFILE="${5}" TIMESTAMP="${6}"
    echo "Executing deploy_cert hook $0"
    echo " + Creating combined.pem (a combined privkey.pem + cert.pem)"
    
    cd "$(dirname "${CERTFILE}")" && {
        cat "${KEYFILE}" "${CERTFILE}" > "combined-${TIMESTAMP}.pem" && \
        ln -sf "combined-${TIMESTAMP}.pem" "combined.pem" && {
            # Loop over all files of this type
            for filename in "combined-"*".pem"; do
              # Check if current file is in use, remove if unused
              if [[ ! "${filename}" = "combined-${TIMESTAMP}.pem" ]]; then
                echo " + Removing unused combined certificate file: ${filename}"
                rm "${filename}"
              fi
            done
        }
    }
}
HANDLER="$1"; shift
if [[ "${HANDLER}" = "deploy_cert" ]]; then
  "$HANDLER" "$@"
fi

LICENSE

CC BY-NC-SA: the project allows reusers to distribute, remix, adapt, and build upon the material in any medium or format for noncommercial purposes only, and only so long as attribution is given to the creators involved. If you remix, adapt, or build upon the material, you must license the modified material under identical terms, includes the following elements:

BY – Credit must be given to the creator of each content respectivelly, starting at the first contributor.
NC – Only noncommercial uses of the work are permitted, with exceptions if you fill an issue here!
SA – Adaptations must be shared under the same terms, you must obey this terms and do not change it.

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