Replace CLI arguments with config-file parser and add integration tests

Introduce a reusable key=value config parser (config.h/c) and convert
all three programs to read their settings from config files instead of
positional command-line arguments.  Add example config files in config/
and 6 CTest integration tests covering None/Basic256Sha256/Aes128 with
anonymous and user authentication.  Remove the now-obsolete launch.sh.

1 files changed, 47 insertions, 0 deletions

diff --git a/config/server_register.conf b/config/server_register.conf
new file mode 100644
index 0000000..3c905a5
--- /dev/null
+++ b/config/server_register.conf
@@ -0,0 +1,47 @@
+# ServerRegister configuration
+#
+# Keys:
+#   port                Server port number
+#   applicationUri      OPC UA application URI
+#   serverCertificate   Path to server certificate (.der)
+#   serverPrivateKey    Path to server private key (.der)
+#   clientCertificate   Path to client certificate for LDS connection (.der)
+#   clientPrivateKey    Path to client private key for LDS connection (.der)
+#   discoveryEndpoint   LDS endpoint URL (e.g. opc.tcp://localhost:4840)
+#   registerInterval    Seconds between re-registrations with the LDS
+#   securityMode        None, Sign, or SignAndEncrypt
+#   securityPolicy      None, Basic256Sha256, Aes256_Sha256_RsaPss,
+#                       Aes128_Sha256_RsaOaep, or ECC_nistP256
+#   serverAuthMode      Auth mode for clients connecting to this server:
+#                       "anonymous" or "user"
+#   serverUsername      Username (required when serverAuthMode = user)
+#   serverPassword      Password (required when serverAuthMode = user)
+#   clientAuthMode      Auth mode for connecting to the LDS:
+#                       "anonymous" or "user"
+#   clientUsername      Username (required when clientAuthMode = user)
+#   clientPassword      Password (required when clientAuthMode = user)
+#   trustList           Trusted certificate path (repeat for multiple)
+
+port = 4841
+applicationUri = urn:bobink.ServerRegister
+serverCertificate = certs/ServerRegister_cert.der
+serverPrivateKey = certs/ServerRegister_key.der
+clientCertificate = certs/ServerRegisterClient_cert.der
+clientPrivateKey = certs/ServerRegisterClient_key.der
+
+discoveryEndpoint = opc.tcp://localhost:4840
+registerInterval = 10
+
+securityMode = SignAndEncrypt
+securityPolicy = Aes128_Sha256_RsaOaep
+
+serverAuthMode = user
+serverUsername = user
+serverPassword = password
+
+clientAuthMode = user
+clientUsername = user
+clientPassword = password
+
+trustList = certs/ServerLDS_cert.der
+trustList = certs/ClientFindServers_cert.der