lab3

lab3/setup.sh

@@ -0,0 +1,43 @@
+#!/usr/bin/env bash
+set -e
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+BASE_DIR="${PRACTICE3_DIR:-/usr/local/practice3}"
+
+echo "Setting up directory structure at: $BASE_DIR"
+
+mkdir -p "$BASE_DIR/etc" "$BASE_DIR/confdata" "$BASE_DIR/bin" "$BASE_DIR/log"
+
+touch "$BASE_DIR/etc/passwd"
+echo "BOTH" > "$BASE_DIR/etc/access_mode"
+touch "$BASE_DIR/etc/acl"
+touch "$BASE_DIR/etc/subject_labels"
+touch "$BASE_DIR/etc/object_labels"
+
+cp "$SCRIPT_DIR/config.py"      "$BASE_DIR/bin/config.py"
+cp "$SCRIPT_DIR/usermgr.py"     "$BASE_DIR/bin/usermgr"
+cp "$SCRIPT_DIR/confaccess.py"  "$BASE_DIR/bin/confaccess"
+cp "$SCRIPT_DIR/bruteforce.py"  "$BASE_DIR/bin/bruteforce"
+
+chmod +x "$BASE_DIR/bin/usermgr" "$BASE_DIR/bin/confaccess" "$BASE_DIR/bin/bruteforce"
+
+if [ "$(id -u)" -eq 0 ]; then
+    chmod 700 "$BASE_DIR" "$BASE_DIR/etc" "$BASE_DIR/confdata" "$BASE_DIR/bin" "$BASE_DIR/log"
+    chmod 600 "$BASE_DIR/etc/passwd" "$BASE_DIR/etc/access_mode" \
+              "$BASE_DIR/etc/acl" "$BASE_DIR/etc/subject_labels" "$BASE_DIR/etc/object_labels"
+    echo "Permissions set (root-only)."
+else
+    echo "Warning: not running as root; skipping permission hardening."
+fi
+
+echo ""
+echo "Done. Directory layout:"
+ls -la "$BASE_DIR"
+echo ""
+echo "Next steps:"
+echo "  $BASE_DIR/bin/usermgr add <login>"
+echo "  $BASE_DIR/bin/confaccess"
+echo "  $BASE_DIR/bin/bruteforce <login>"
+echo ""
+echo "To add bin to PATH temporarily:"
+echo "  export PATH=\"$BASE_DIR/bin:\$PATH\""