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Replace the single-purpose ClientFindServers program with a unified Client
that supports three operations via CLI: find-servers, get-endpoints, and
read-time. This simplifies the architecture by using one client binary with
a single config file instead of a monolithic program that did everything in
one run.
Split the ServerRegister config into separate server and client config files
so the LDS-registration credentials are isolated from the server's own
settings. The discovery URL moves from config to a CLI argument.
Replace repeated trustList config entries with a single trustStore directory
path. Each program now points to a directory under certs/trust/ containing
.der files, so adding or removing trust is a file-copy operation rather than
editing every config file. Add loadTrustStore()/freeTrustStore() to
common.c and remove the now-unused configGetAll() from the config parser.
Simplify the test matrix from 6 to 4 cases (security and auth are
orthogonal, so the full 3x2 matrix is unnecessary). Update run_test.sh to
invoke the new Client three times and use port-polling instead of sleep.
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Create two independent UA_Client instances in client_find_servers.c:
one for LDS discovery calls (FindServers, GetEndpoints) and one for
server session calls (readServerTime). This allows different security
modes, policies, auth, and trust lists for the LDS vs discovered
servers.
Config keys are now prefixed: discovery* for LDS connection settings,
server* for discovered server settings. All config files updated
accordingly with split trust lists (discoveryTrustList for LDS cert,
serverTrustList for server cert).
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- CMakeLists.txt: add file-level comment, section banners, target
docs, and test-section explanation
- cmake/BuildDeps.cmake: add file-level comment describing the
configure/build/install workflow
- tools/generate_certificate.sh: document arguments and outputs in
header block, comment set -euo pipefail
- src/config.h: move include guard before Doxygen block (match
common.h)
- src/server_register.c: add comment to empty anonymous-auth block
(match client_find_servers.c)
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Keep the file locally but gitignore it so project-specific
Claude Code instructions are not pushed to the repository.
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Stop deleting the PEM certificate so it remains available alongside the
DER files. Fix the output listing to show the PEM path.
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All three programs now accept an optional second argument [log-level]
(trace, debug, info, warning, error, fatal) defaulting to info. The
level is applied by setting the logger context pointer directly,
avoiding a memory leak that would occur from overwriting the
heap-allocated logger struct. Also documents the ASan leak-check
workflow in CLAUDE.md.
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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.
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Remove a useless comment on an empty branch and add intent comments
before the manual event loop startup, the periodic re-registration
loop, and the shutdown deregistration block.
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Replace hardcoded user/password credentials with a new <auth-mode>
parameter that accepts "anonymous" or "user". When "user" is chosen,
two additional <username> <password> arguments are required.
ServerRegister accepts two independent auth modes: one for its own
server-side access control and one for authenticating to the LDS when
registering. ClientFindServers passes credentials to readServerTime,
which selects UA_Client_connectUsername or UA_Client_connect accordingly.
Update CLAUDE.md running examples and add an auth modes table.
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Disallow anonymous sessions on both the LDS and registering server by
configuring UA_AccessControl_default with a hardcoded user/password
credential pair. Set UA_ClientConfig_setAuthenticationUsername on the
client configs used for register, re-register, and deregister calls.
Use UA_Client_connectUsername in the FindServers client when reading
server time.
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CMake-based C project using open62541 for OPC UA discovery.
Includes Local Discovery Server, register server, and find
servers client with OpenSSL encryption support.
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