Files
cpp-httplib/test/gen-certs.sh
T
yhirose d23d1b6029 Match a host name against subjectAltName only
OpenSSL 4.1 no longer falls back to the subject Common Name when it
checks a host name (RFC 9525), so SSLClientServerTest.TlsVerifyHostname
began failing in the Windows CI job that installs the newest OpenSSL 4.x.

Make every backend agree instead of following whichever OpenSSL is
installed. OpenSSL passes X509_CHECK_FLAG_NEVER_CHECK_SUBJECT to both the
handshake check and verify_hostname(), and Mbed TLS and wolfSSL drop their
own CN fallback. A certificate that names its host only in the CN is now
rejected on all backends, as it already was on BoringSSL.
2026-10-25 18:58:43 -04:00

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#!/usr/bin/env bash
if [[ $(openssl version) =~ 3\.[2-9]\.[0-9]+ ]]; then
OPENSSL_X509_FLAG='-x509v1'
else
OPENSSL_X509_FLAG='-x509'
fi
openssl genrsa 2048 > key.pem
openssl req -new -batch -config test.conf -key key.pem | openssl x509 -days 3650 -req -signkey key.pem > cert.pem
openssl req -x509 -config test.conf -key key.pem -sha256 -days 3650 -nodes -out cert2.pem -extensions SAN
openssl genrsa 2048 > rootCA.key.pem
openssl req $OPENSSL_X509_FLAG -new -batch -config test.rootCA.conf -key rootCA.key.pem -days 1024 > rootCA.cert.pem
openssl genrsa 2048 > client.key.pem
openssl req -new -batch -config test.conf -key client.key.pem | openssl x509 -days 370 -req -CA rootCA.cert.pem -CAkey rootCA.key.pem -CAcreateserial > client.cert.pem
openssl genrsa -passout pass:test123! 2048 > key_encrypted.pem
openssl req -new -batch -config test.conf -key key_encrypted.pem | openssl x509 -days 3650 -req -signkey key_encrypted.pem > cert_encrypted.pem
# Encrypted client key: make an unencrypted key + cert first, then wrap the same
# key two ways. Mbed TLS 4.x dropped DES/PBES1, while Ubuntu's Mbed TLS 2.28 has
# no PBES2-AES, so ship both and let test.cc pick by version.
openssl genrsa 2048 > client_encrypted.tmp.key.pem
openssl req -new -batch -config test.conf -key client_encrypted.tmp.key.pem | openssl x509 -days 370 -req -CA rootCA.cert.pem -CAkey rootCA.key.pem -CAcreateserial > client_encrypted.cert.pem
openssl pkcs8 -topk8 -v2 aes-256-cbc -in client_encrypted.tmp.key.pem -passout pass:test012! -out client_encrypted.key.pem
openssl pkcs8 -topk8 -v1 PBE-SHA1-3DES -in client_encrypted.tmp.key.pem -passout pass:test012! -out client_encrypted_pbes1.key.pem
rm -f client_encrypted.tmp.key.pem
# Certificates for IP-host hostname verification regression tests.
# cert_ip_cn.pem: CN is an IPv4 literal with NO subjectAltName. An IP host must
# NOT be authenticated via the CN, so verifying it against this
# cert must fail.
openssl req -x509 -key key.pem -sha256 -days 3650 -nodes -subj "/CN=127.0.0.1" -out cert_ip_cn.pem
# cert_ipv6.pem: CN is an IPv6 literal plus an IPv6 iPAddress SAN for a
# different address. The SAN address must match; the CN address
# must be ignored.
openssl req -x509 -key key.pem -sha256 -days 3650 -nodes -subj "/CN=::1" -addext "subjectAltName=IP:2001:db8::1" -out cert_ipv6.pem
# cert_san_types.pem: the bytes of each SAN read as the other type:
# DNS:a.zz is 97.46.122.122, IP:42.46.122.122 is "*.zz".
openssl req -x509 -key key.pem -sha256 -days 3650 -nodes -subj "/CN=san-types" -addext "subjectAltName=DNS:a.zz,IP:42.46.122.122" -out cert_san_types.pem
# cert_dns_cn.pem: CN is the DNS name the tests connect to, with NO
# subjectAltName. A host is named by a SAN only (RFC 9525), so
# verifying it against this cert must fail.
openssl req -x509 -key key.pem -sha256 -days 3650 -nodes -subj "/CN=localhost" -out cert_dns_cn.pem
# cert_wildcard_san.pem: a leftmost wildcard next to one that is not leftmost.
# "*.leftmost.example.test" matches a single label; the
# wildcard in "www.*.example.test" must not be honoured.
openssl req -x509 -key key.pem -sha256 -days 3650 -nodes -subj "/CN=wildcard-san" -addext "subjectAltName=DNS:*.leftmost.example.test,DNS:www.*.example.test" -out cert_wildcard_san.pem