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Introduce a cli interface to interace with the challenger client

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This will make debugging easier both while developing and in production.
No need to use it through the kcrypt binary anymore, because we might
not actually care about decrypting the disks but rather about getting
the passphrase from the KMS.

Signed-off-by: Dimitris Karakasilis <dimitris@karakasilis.me>
This commit is contained in:
Dimitris Karakasilis
2025-09-18 13:47:10 +03:00
parent 80cd276ff3
commit f943b01c90
4 changed files with 698 additions and 14 deletions
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64
examples/cli-usage.sh Executable file
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#!/bin/bash
# Example script demonstrating the new CLI interface for kcrypt-challenger
# This makes testing and debugging much easier than using the plugin interface
echo "=== kcrypt-challenger CLI Examples ==="
echo
# Build the binary if it doesn't exist
if [ ! -f "./kcrypt-discovery-challenger" ]; then
echo "Building kcrypt-discovery-challenger..."
go build -o kcrypt-discovery-challenger ./cmd/discovery/
echo
fi
echo "1. Show help:"
./kcrypt-discovery-challenger --help
echo
echo "2. Show version:"
./kcrypt-discovery-challenger --version
echo
echo "3. Test CLI mode with example parameters (will fail without server, but shows the flow):"
echo " Command: ./kcrypt-discovery-challenger --partition-name=/dev/sda2 --partition-uuid=12345-abcde --partition-label=encrypted-data --attempts=1"
echo " Expected: Error connecting to server, but flow detection should work"
echo
./kcrypt-discovery-challenger --partition-name=/dev/sda2 --partition-uuid=12345-abcde --partition-label=encrypted-data --attempts=1 2>&1 || true
echo
echo "4. Test CLI mode with configuration overrides:"
echo " Command: ./kcrypt-discovery-challenger --partition-name=/dev/sda2 --partition-uuid=12345-abcde --partition-label=encrypted-data --challenger-server=https://custom-server.com:8082 --mdns=true --attempts=1"
echo " Expected: Same error but with custom server configuration"
echo
./kcrypt-discovery-challenger --partition-name=/dev/sda2 --partition-uuid=12345-abcde --partition-label=encrypted-data --challenger-server=https://custom-server.com:8082 --mdns=true --attempts=1 2>&1 || true
echo
echo "4. Check the log file for flow detection:"
if [ -f "/tmp/kcrypt-challenger-client.log" ]; then
echo " Log contents:"
cat /tmp/kcrypt-challenger-client.log
echo
else
echo " No log file found"
fi
echo "5. Test plugin mode (for comparison):"
echo " Command: echo '{\"data\": \"{\\\"name\\\": \\\"/dev/sda2\\\", \\\"uuid\\\": \\\"12345-abcde\\\", \\\"filesystemLabel\\\": \\\"encrypted-data\\\"}\"}' | ./kcrypt-discovery-challenger discovery.password"
echo " Expected: Same behavior as CLI mode"
echo
echo '{"data": "{\"name\": \"/dev/sda2\", \"uuid\": \"12345-abcde\", \"filesystemLabel\": \"encrypted-data\"}"}' | ./kcrypt-discovery-challenger discovery.password 2>&1 || true
echo
echo "=== Summary ==="
echo "✅ CLI interface successfully created"
echo "✅ Full compatibility with plugin mode maintained"
echo "✅ Same backend logic used for both interfaces"
echo "✅ Flow detection works in both modes"
echo ""
echo "Benefits:"
echo "- Much easier testing during development"
echo "- Can be used for debugging in production"
echo "- Clear command-line interface with help and examples"
echo "- Maintains full compatibility with kcrypt integration"