dunkirk.sh
a geicko-2 based round robin ranking system designed to test c++ battleship submissions
battleship.dunkirk.sh
feat: add config
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.env.example
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.env.example
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# Battleship Arena Configuration
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# Server Configuration
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BATTLESHIP_HOST=0.0.0.0
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BATTLESHIP_SSH_PORT=2222
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BATTLESHIP_WEB_PORT=8081
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# External URL (used in logs and user-facing messages)
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BATTLESHIP_EXTERNAL_URL=http://localhost:8081
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# Storage
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BATTLESHIP_UPLOAD_DIR=./submissions
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BATTLESHIP_RESULTS_DB=./results.db
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# Admin passcode for batch uploads and testing
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BATTLESHIP_ADMIN_PASSCODE=battleship-admin-override
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internal/server/auth.go
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internal/server/auth.go
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"errors"
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"fmt"
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"log"
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"os"
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"strings"
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"github.com/charmbracelet/ssh"
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"battleship-arena/internal/storage"
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)
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var adminPasscode string
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var (
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adminPasscode string
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externalURL string
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)
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func init() {
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// Load admin passcode from environment variable
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adminPasscode = os.Getenv("BATTLESHIP_ADMIN_PASSCODE")
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if adminPasscode == "" {
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adminPasscode = "battleship-admin-override" // Default fallback
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log.Printf("⚠️ Using default admin passcode. Set BATTLESHIP_ADMIN_PASSCODE env var for security.")
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}
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func SetConfig(passcode, url string) {
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adminPasscode = passcode
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externalURL = url
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log.Printf("✓ Config loaded: passcode=%s..., url=%s", passcode[:10], url)
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}
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func PublicKeyAuthHandler(ctx ssh.Context, key ssh.PublicKey) bool {