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https://github.com/gogrlx/nats-server.git
synced 2026-04-02 03:38:42 -07:00
test data: x509 cert reissuance script
We had some certs which used SHA1 still; this top-level script is a bit rough, but works to recreate all the top-level certs, using a common CA. RSA 2048 bits with SHA256. I've put the IPv6 localhost IP into the certs too, wherever the IPv4 localhost IP was present, as this might improve test-runner resilience in some situations. Seems like a good idea, can't think of a reason not to.
This commit is contained in:
Phil Pennock
227
test/configs/certs/regenerate_top.sh
Executable file
227
test/configs/certs/regenerate_top.sh
Executable file
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#!/bin/sh
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set -eu
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#
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# regenerate_top: just remake the certs in this top-dir
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# we don't (currently) handle any sub-dirs
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#
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progname="$(basename "$0" .sh)"
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note() { printf >&2 '%s: %s\n' "$progname" "$*"; }
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warn() { note "$@"; }
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die() { warn "$@"; exit 1; }
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readonly COMMON_SUB_COUNTRY=US
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readonly COMMON_SUB_STATE=California
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readonly COMMON_SUB_ORG=Synadia
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readonly COMMON_SUB_ORGUNIT=nats.io
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readonly COMMON_SUBJECT="/C=$COMMON_SUB_COUNTRY/ST=$COMMON_SUB_STATE/O=$COMMON_SUB_ORG/OU=$COMMON_SUB_ORGUNIT"
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readonly TEMP_CONFIG=openssl.cnf
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readonly TEMP_CA_KEY_REL=ca-key.pem
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readonly CA_FILE=ca.pem
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CA_NAME="Certificate Authority $(date +%Y-%m-%d)"
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readonly CA_NAME
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readonly RSA_SIZE=2048
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readonly DIGEST_ALG=sha256
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okay=true
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for cmd in openssl ; do
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if command -v "$cmd" >/dev/null 2>&1; then
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continue
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fi
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okay=false
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warn "missing command: $cmd"
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done
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$okay || die "missing necessary commands"
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delete_list=""
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trap 'if test -n "$delete_list"; then rm -rfv $delete_list; fi' EXIT
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add_delete() {
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delete_list="${delete_list:-}${delete_list:+ }$*"
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}
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# Issuer: C = US, ST = CA, O = Synadia, OU = nats.io, CN = localhost, emailAddress = derek@nats.io
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CA_DIR="$(mktemp -d)"
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add_delete "$CA_DIR"
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mkdir "$CA_DIR/copies"
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touch "$CA_DIR/index.txt"
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readonly CA_DIR
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readonly CA_KEY="$CA_DIR/$TEMP_CA_KEY_REL"
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COMMON_X509V3='
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basicConstraints = CA:FALSE
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nsComment = "nats.io nats-server test-suite certificate"
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subjectKeyIdentifier = hash
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authorityKeyIdentifier = keyid,issuer:always
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subjectAltName = ${ENV::SUBJECTALTNAME}
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'
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cat > "$TEMP_CONFIG" <<EOCONFIG
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SUBJECTALTNAME = email:copy
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NSCERTTYPE = server
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NAME_CONSTRAINTS =
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[ ca ]
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default_ca = CA_nats
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[ CA_nats ]
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certificate = $CA_FILE
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dir = $CA_DIR
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certs = \$dir/certs
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new_certs_dir = \$dir/copies
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crl_dir = \$dir/crl
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database = \$dir/index.txt
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private_key = \$dir/$TEMP_CA_KEY_REL
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rand_serial = yes
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unique_subject = no
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# modern TLS is moving towards rejecting longer-lived certs, be prepared to lower this to less than a year and regenerate more often
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default_days = $(( 10 * 365 ))
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default_md = $DIGEST_ALG
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copy_extensions = copy
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policy = policy_anything
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x509_extensions = nats_x509_ext
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[ policy_anything ]
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countryName = optional
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stateOrProvinceName = optional
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localityName = optional
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organizationName = optional
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organizationalUnitName = optional
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commonName = optional
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emailAddress = optional
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[ req ]
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default_bits = $RSA_SIZE
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default_md = $DIGEST_ALG
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utf8 = yes
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distinguished_name = req_distinguished_name
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[ v3_req ]
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basicConstraints = CA:FALSE
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keyUsage = nonRepudiation, digitalSignature, keyEncipherment
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[ v3_ca ]
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subjectKeyIdentifier=hash
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authorityKeyIdentifier=keyid:always,issuer:always
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basicConstraints = CA:true
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nsComment = "nats.io nats-server test-suite transient CA"
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[ nats_x509_ext ]
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$COMMON_X509V3
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[ nats_server_nopeer ]
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$COMMON_X509V3
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nsCertType = server
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keyUsage = digitalSignature, keyEncipherment
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extendedKeyUsage = serverAuth, nsSGC, msSGC
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# NATS server certs are used as clients in peering (cluster, gateways, etc)
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[ nats_server ]
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$COMMON_X509V3
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nsCertType = server, client
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keyUsage = digitalSignature, keyEncipherment
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extendedKeyUsage = serverAuth, nsSGC, msSGC, clientAuth
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[ nats_client ]
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$COMMON_X509V3
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nsCertType = client
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keyUsage = digitalSignature, keyEncipherment
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extendedKeyUsage = clientAuth
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[ req_distinguished_name ]
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countryName = Country Name (2 letter code)
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countryName_default = $COMMON_SUB_COUNTRY
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countryName_min = 2
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countryName_max = 2
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stateOrProvinceName = State or Province Name (full name)
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stateOrProvinceName_default = $COMMON_SUB_STATE
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0.organizationName = Organization Name (eg, company)
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0.organizationName_default = $COMMON_SUB_ORG
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organizationalUnitName = Organizational Unit Name (eg, section)
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organizationalUnitName_default = $COMMON_SUB_ORGUNIT
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commonName = Common Name (e.g. server FQDN or YOUR name)
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commonName_max = 64
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# no email address for our certs
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EOCONFIG
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add_delete "$TEMP_CONFIG"
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make_keyfile() {
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local keyfile="${1:?need a keyfile to create}"
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(umask 077; openssl genrsa "$RSA_SIZE" > "$keyfile")
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}
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ensure_keyfile() {
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local keyfile="${1:?need a keyfile to create}"
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local description="${2:?need a description}"
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if [ -f "$keyfile" ]; then
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note "reusing EXISTING $description file: $keyfile"
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return 0
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fi
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note "creating NEW $description file: $keyfile"
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make_keyfile "$keyfile"
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}
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o_req() { openssl req -config "$TEMP_CONFIG" "$@"; }
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sign_csr() {
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local san="${1:?need subjectAltName}"
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shift
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env SUBJECTALTNAME="$san" openssl ca -config "$TEMP_CONFIG" -policy policy_anything -batch "$@"
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}
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make_keyfile "$CA_KEY"
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o_req -x509 -new -key "$CA_KEY" -out "$CA_FILE" -outform PEM -subj "$COMMON_SUBJECT/CN=$CA_NAME" -extensions v3_ca
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echo
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readonly CLIENT_KEY=client-key.pem
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BASE=client-cert
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ensure_keyfile "$CLIENT_KEY" "client key"
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o_req -new -key "$CLIENT_KEY" -out "$BASE.csr" -subj "$COMMON_SUBJECT/CN=localhost"
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add_delete "$BASE.csr"
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sign_csr "DNS:localhost, IP:127.0.0.1, IP:::1, email:derek@nats.io" -in "$BASE.csr" -out "$BASE.pem" -extensions nats_client
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echo
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readonly CLIENT_ID_AUTH_KEY=client-id-auth-key.pem
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BASE=client-id-auth-cert
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ensure_keyfile "$CLIENT_ID_AUTH_KEY" "client id auth key"
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o_req -new -key "$CLIENT_ID_AUTH_KEY" -out "$BASE.csr" -subj "$COMMON_SUBJECT/CN=localhost"
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add_delete "$BASE.csr"
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sign_csr "DNS:localhost, IP:127.0.0.1, IP:::1, email:derek@nats.io" -in "$BASE.csr" -out "$BASE.pem" -extensions nats_client
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echo
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readonly SERVER_KEY=server-key.pem
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BASE=server-cert
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ensure_keyfile "$SERVER_KEY" "server key"
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o_req -new -key "$SERVER_KEY" -out "$BASE.csr" -subj "$COMMON_SUBJECT/CN=localhost"
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add_delete "$BASE.csr"
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sign_csr "DNS:localhost, IP:127.0.0.1, IP:::1" -in "$BASE.csr" -out "$BASE.pem" -extensions nats_server
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echo
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readonly SK_IPONLY=server-key-iponly.pem
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BASE=server-iponly
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ensure_keyfile "$SK_IPONLY" "server key, IP-only"
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# Be careful not to put something verifiable that's not an IP into the CN field, for verifiers which check CN
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o_req -new -key "$SK_IPONLY" -out "$BASE.csr" -subj "$COMMON_SUBJECT/CN=ip-only-localhost"
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add_delete "$BASE.csr"
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sign_csr "IP:127.0.0.1, IP:::1" -in "$BASE.csr" -out "$BASE.pem" -extensions nats_server
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echo
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readonly SK_NOIP=server-key-noip.pem
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BASE=server-noip
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ensure_keyfile "$SK_NOIP" "server key, no IPs"
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o_req -new -key "$SK_NOIP" -out "$BASE.csr" -subj "$COMMON_SUBJECT/CN=localhost"
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add_delete "$BASE.csr"
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sign_csr "DNS:localhost" -in "$BASE.csr" -out "$BASE.pem" -extensions nats_server
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for SRV in srva srvb; do
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echo
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KEY="${SRV}-key.pem"
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BASE="${SRV}-cert"
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ensure_keyfile "$KEY" "server key, variant $SRV"
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o_req -new -key "$KEY" -out "$BASE.csr" -subj "$COMMON_SUBJECT/CN=localhost"
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add_delete "$BASE.csr"
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sign_csr "DNS:localhost, IP:127.0.0.1, IP:::1" -in "$BASE.csr" -out "$BASE.pem" -extensions nats_server
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done
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