Simplify testing with TLS (#4095)

testutil/pki/cacert.pem

@@ -0,0 +1,12 @@
+-----BEGIN CERTIFICATE-----
+MIIB0TCCATqgAwIBAgIJAMgbq6rkA4b/MA0GCSqGSIb3DQEBCwUAMBsxGTAXBgNV
+BAMMEFRlbGVncmFmIFRlc3QgQ0EwHhcNMTgwNTAzMDEwNTI5WhcNMjgwNDMwMDEw
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+C0v9Re3jdLfLORxiaAPyyKogMpAQrjGX+u1aMSOCkcTD2Hjvbw==
+-----END CERTIFICATE-----

testutil/pki/cakey.pem

@@ -0,0 +1,16 @@
+-----BEGIN PRIVATE KEY-----
+MIICdwIBADANBgkqhkiG9w0BAQEFAASCAmEwggJdAgEAAoGBANPJLHJd7JBCMI60
+1D/twq1c33WyngHWTvCE8oE7rJcQUVGthrDvrFjkJNM9MloA8En5qYc908Z+Yarr
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+gPFNAkAFwn/38FF0mz1G4uM57Z6AJ9LvgD2wfYvXym1NWNlZUuYpvqApyEdqpTCm
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++WeXH77FP8yDQOjpFw80tSyXVykT0Am75RF3sQ1OIn0o0DLhE+he0crb2n8g3FJh
+WyxmGkbTDelSG20=
+-----END PRIVATE KEY-----

testutil/pki/clientcert.pem

@@ -0,0 +1,13 @@
+-----BEGIN CERTIFICATE-----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+HJkZlSbviqq19lAh/Cktl35BCNrA6Uc+dgW7QWhnYS2tZandVTo/8FFstJTNiiLw
+uiz/Hr3mRXUIDi5OygJHY1IZr8hFTOOJY+0ws3E=
+-----END CERTIFICATE-----

testutil/pki/clientkey.pem

@@ -0,0 +1,15 @@
+-----BEGIN RSA PRIVATE KEY-----
+MIICXAIBAAKBgQDX7Plvu0MJtA9TrusYtQnAogsdiYJZd9wfFIjH5FxE3SWJ4KAI
+E+yRWRqcqX8XnpieQLaNsfXhDPWLkWngTDydk4NO/jlAQk0e6+9+NeiZ2ViIHmtX
+ERb9CyiiWUmo+YCd69lhzSEIMK9EPBSDHQTgQMtEfGak03G5rx3MCakE1QIDAQAB
+AoGAOjRU4Lt3zKvO3d3u3ZAfet+zY1jn3DolCfO9EzUJcj6ymcIFIWhNgrikJcrC
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+uIIm/X91pDyxCHaKYWp38FXBkYAgohI8ow5/sgRvU5w=
+-----END RSA PRIVATE KEY-----

testutil/pki/servercert.pem

@@ -0,0 +1,13 @@
+-----BEGIN CERTIFICATE-----
+MIIB+TCCAWKgAwIBAgIBATANBgkqhkiG9w0BAQsFADAbMRkwFwYDVQQDDBBUZWxl
+Z3JhZiBUZXN0IENBMB4XDTE4MDUwMzAxMDUyOVoXDTI4MDQzMDAxMDUyOVowHTEb
+MBkGA1UEAwwSc2VydmVyLmxvY2FsZG9tYWluMIGfMA0GCSqGSIb3DQEBAQUAA4GN
+ADCBiQKBgQDTBmLJ0pBFUxnPkkx38sBnOKvs+OinVqxTnVcc1iCyQJQleB37uY6D
+L55mSsPvnad/oDpyGpHt4RVtrhmyC6ptSrWLyk7mraeAo30Cooqr5tA9A+6yj0ij
+ySLlYimTMQy8tbnVNWLwKbxgT9N4NlUzwyqxLWUMfRzLfmefqzk5bQIDAQABo0sw
+STAJBgNVHRMEAjAAMBoGA1UdEQQTMBGCCWxvY2FsaG9zdIcEfwAAATALBgNVHQ8E
+BAMCBaAwEwYDVR0lBAwwCgYIKwYBBQUHAwEwDQYJKoZIhvcNAQELBQADgYEATNnM
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+Ugm02h0ycIadN8RdWAAFUf6XpVKUJa0YYLuyaXY=
+-----END CERTIFICATE-----

testutil/pki/serverkey.pem

@@ -0,0 +1,15 @@
+-----BEGIN RSA PRIVATE KEY-----
+MIICXQIBAAKBgQDTBmLJ0pBFUxnPkkx38sBnOKvs+OinVqxTnVcc1iCyQJQleB37
+uY6DL55mSsPvnad/oDpyGpHt4RVtrhmyC6ptSrWLyk7mraeAo30Cooqr5tA9A+6y
+j0ijySLlYimTMQy8tbnVNWLwKbxgT9N4NlUzwyqxLWUMfRzLfmefqzk5bQIDAQAB
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+pyjnLYCYqSBUJ+3nDDBqNYpgxCJddzmjNxGuO7mef9Ue
+-----END RSA PRIVATE KEY-----

testutil/pki/tls-certs.sh

@@ -0,0 +1,76 @@
+#!/bin/sh
+
+mkdir certs certs_by_serial private &&
+chmod 700 private &&
+echo 01 > ./serial &&
+touch ./index.txt &&
+cat >./openssl.conf <<EOF
+[ ca ]
+default_ca = telegraf_ca
+
+[ telegraf_ca ]
+certificate = ./certs/cacert.pem
+database = ./index.txt
+new_certs_dir = ./certs_by_serial
+private_key = ./private/cakey.pem
+serial = ./serial
+
+default_crl_days = 3650
+default_days = 3650
+default_md = sha256
+
+policy = telegraf_ca_policy
+x509_extensions = certificate_extensions
+
+[ telegraf_ca_policy ]
+commonName = supplied
+
+[ certificate_extensions ]
+basicConstraints = CA:false
+
+[ req ]
+default_bits = 1024
+default_keyfile = ./private/cakey.pem
+default_md = sha256
+prompt = yes
+distinguished_name = root_ca_distinguished_name
+x509_extensions = root_ca_extensions
+
+[ root_ca_distinguished_name ]
+commonName = hostname
+
+[ root_ca_extensions ]
+basicConstraints = CA:true
+keyUsage = keyCertSign, cRLSign
+
+[ client_ca_extensions ]
+basicConstraints = CA:false
+keyUsage = digitalSignature
+subjectAltName = @client_alt_names
+extendedKeyUsage = 1.3.6.1.5.5.7.3.2
+
+[ client_alt_names ]
+DNS.1 = localhost
+IP.1 = 127.0.0.1
+
+[ server_ca_extensions ]
+basicConstraints = CA:false
+subjectAltName = @server_alt_names
+keyUsage = keyEncipherment, digitalSignature
+extendedKeyUsage = 1.3.6.1.5.5.7.3.1
+
+[ server_alt_names ]
+DNS.1 = localhost
+IP.1 = 127.0.0.1
+EOF
+openssl req -x509 -config ./openssl.conf -days 3650 -newkey rsa:1024 -out ./certs/cacert.pem -keyout ./private/cakey.pem -subj "/CN=Telegraf Test CA/" -nodes &&
+
+# Create server keypair
+openssl genrsa -out ./private/serverkey.pem 1024 &&
+openssl req -new -key ./private/serverkey.pem -out ./certs/servercsr.pem -outform PEM -subj "/CN=server.localdomain/O=server/" &&
+openssl ca -config ./openssl.conf -in ./certs/servercsr.pem -out ./certs/servercert.pem -notext -batch -extensions server_ca_extensions &&
+
+# Create client keypair
+openssl genrsa -out ./private/clientkey.pem 1024 &&
+openssl req -new -key ./private/clientkey.pem -out ./certs/clientcsr.pem -outform PEM -subj "/CN=client.localdomain/O=client/" &&
+openssl ca -config ./openssl.conf -in ./certs/clientcsr.pem -out ./certs/clientcert.pem -notext -batch -extensions client_ca_extensions