45 lines
1.5 KiB
Bash
45 lines
1.5 KiB
Bash
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#!/bin/bash
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# =============================================================================
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# ssl-certs.sh - Self signing SSL certificates
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#
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# Author: Steve Shreeve <steve.shreeve@gmail.com>
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# Date: Dec 17, 2022
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#
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# Edited: Claudio Maradonna <claudio@unitoo.pw>
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# =============================================================================
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# Use https://gist.github.com/shreeve/3358901a26a21d4ddee0e1342be7749d
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# See https://gist.github.com/fntlnz/cf14feb5a46b2eda428e000157447309
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# variables
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name="My Beautiful Name"
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base="my.beautiful.domain"
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ou="My Organization"
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root="MYCERT"
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serverip="127.0.0.1"
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serverip6="::1"
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# create our key and certificate signing request
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openssl genrsa -out "${base}.key" 2048
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openssl req -sha256 -new -key "${base}.key" -out "${base}.csr" \
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-subj "/CN=*.${base}/O=${name}/OU=${ou}" \
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-reqexts SAN -config <(echo "[SAN]\nsubjectAltName=DNS:${base},DNS:*.${base},IP:127.0.0.1,IP:${serverip}\n")
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# create our final certificate and sign it
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openssl x509 -req -sha256 -in "${base}.csr" -out "${base}.crt" -days 731 \
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-CAkey "${root}.key" -CA "${root}.crt" -CAcreateserial -extfile <(cat <<END
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subjectAltName = DNS:${base},DNS:*.${base},IP:127.0.0.1,IP:${serverip},IP:${serverip6}
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keyUsage = critical, digitalSignature, keyEncipherment
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extendedKeyUsage = serverAuth
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basicConstraints = CA:FALSE
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authorityKeyIdentifier = keyid:always
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subjectKeyIdentifier = none
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END
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)
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# review files
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echo "--"; openssl req -in "${base}.csr" -noout -text
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echo "--"; openssl x509 -in "${base}.crt" -noout -text
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echo "--";
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