Files
heimdal/lib/hx509/data/mkcert.sh
Taylor R Campbell 82f7b8072c Nix bashisms.
This isn't fully POSIX shell, because POSIX shell still doesn't have
`local' variable declarations, but at least it is reasonably portable
now.

fix https://github.com/heimdal/heimdal/issues/1299
2026-01-21 12:40:26 -06:00

92 lines
2.3 KiB
Bash
Executable File

#! /bin/sh
set -e
DAYS=182500
key() {
local key="$1"; shift
if [ ! -f "${key}.pem" ]; then
openssl ecparam -name prime256v1 |
openssl genpkey \
-paramfile /dev/stdin \
-out "${key}.pem"
fi
}
req() {
local key="$1"; shift
local dn="$1"; shift
printf "[req]\n%s\n%s\n[dn]\nCN_default=foo\n" \
"prompt = yes" "distinguished_name = dn" |
openssl req -new -sha256 -key "${key}.pem" \
-config - \
-subj "${dn}"
}
cert() {
local cert="$1"; shift
local exts="$1"; shift
trap 'rm -f mkcert.req' EXIT HUP INT TERM
rm -f mkcert.req
cat >mkcert.req
printf "%s\n" "$exts" |
openssl x509 -req -sha256 -in mkcert.req -out "${cert}.pem" \
-extfile - "$@"
rm -f mkcert.req
trap - EXIT HUP INT TERM
}
genroot() {
local dn="$1"; shift
local key="$1"; shift
local cert="$1"; shift
exts=$(printf "%s\n%s\n%s\n%s\n" \
"subjectKeyIdentifier = hash" \
"authorityKeyIdentifier = keyid" \
"basicConstraints = CA:true" \
"keyUsage = keyCertSign, cRLSign" )
key "$key"; req "$key" "$dn" |
cert "$cert" "$exts" -signkey "${key}.pem" \
-set_serial 1 -days "${DAYS}"
}
genee() {
local dn="$1"; shift
local key="$1"; shift
local cert="$1"; shift
local cakey="$1"; shift
local cacert="$1"; shift
exts=$(printf "%s\n%s\n%s\n%s\n" \
"subjectKeyIdentifier = hash" \
"authorityKeyIdentifier = keyid, issuer" \
"basicConstraints = CA:false" \
"keyUsage = digitalSignature, keyEncipherment, dataEncipherment" \
)
key "$key"; req "$key" "$dn" |
cert "$cert" "$exts" -CA "${cacert}.pem" -CAkey "${cakey}.pem" \
-set_serial 2 -days "${DAYS}" "$@"
}
genroot "/C=SE/O=Heimdal/CN=CA secp256r1" \
secp256r1TestCA.key secp256r1TestCA.cert
genee "/C=SE/O=Heimdal/CN=Server" \
secp256r2TestServer.key secp256r2TestServer.cert \
secp256r1TestCA.key secp256r1TestCA.cert
genee "/C=SE/O=Heimdal/CN=Client" \
secp256r2TestClient.key secp256r2TestClient.cert \
secp256r1TestCA.key secp256r1TestCA.cert
cat secp256r1TestCA.key.pem secp256r1TestCA.cert.pem > \
secp256r1TestCA.pem
cat secp256r2TestClient.cert.pem secp256r2TestClient.key.pem > \
secp256r2TestClient.pem
cat secp256r2TestServer.cert.pem secp256r2TestServer.key.pem > \
secp256r2TestServer.pem