Forked from PowerKiKi/generate-wildcard-certificate.sh
Created
April 1, 2023 05:17
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Generate self-signed wildcard SSL certificate for development environment
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#!/usr/bin/env bash | |
# print usage | |
DOMAIN=$1 | |
if [ -z "$1" ]; then | |
echo "USAGE: $0 domain.lan" | |
echo "" | |
echo "This will generate a non-secure self-signed wildcard certificate for given domain." | |
echo "This should only be used in a development environment." | |
exit | |
fi | |
# Add wildcard | |
WILDCARD="*.$DOMAIN" | |
# Set our CSR variables | |
SUBJ=" | |
C=US | |
ST=NY | |
O=Local Developement | |
localityName=Local Developement | |
commonName=$WILDCARD | |
organizationalUnitName=Local Developement | |
emailAddress= | |
" | |
# Generate our Private Key, CSR and Certificate | |
openssl genrsa -out "$DOMAIN.key" 2048 | |
openssl req -new -subj "$(echo -n "$SUBJ" | tr "\n" "/")" -key "$DOMAIN.key" -out "$DOMAIN.csr" | |
openssl x509 -req -days 3650 -in "$DOMAIN.csr" -signkey "$DOMAIN.key" -out "$DOMAIN.crt" | |
rm "$DOMAIN.csr" | |
echo "" | |
echo "Next manual steps:" | |
echo "- Use $DOMAIN.crt and $DOMAIN.key to configure Apache/nginx" | |
echo "- Import $DOMAIN.crt into Chrome settings: chrome://settings/certificates > tab 'Authorities'" |
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