按提示词结论补源路径依据锁

list-linuxcnc-source-files.sh

@@ -3,6 +3,9 @@ set -euo pipefail
 
 cd "$(dirname "$0")"
 
+# LinuxCNC source basis: fixed-source probes resolve explicit LinuxCNC-root
+# relative paths from src/emc/rs274ngc, src/emc/tooldata, and related source
+# directories before compiling or linking source-backed bridge checks.
 linuxcnc_root=${LINUXCNC_ROOT:-../linuxcnc}
 missing_source_message="missing LinuxCNC source"
 preflight_cache_dir=${CNC_SIM_PREFLIGHT_CACHE_DIR:-build/linuxcnc-helper-preflight-cache}
@@ -39,6 +42,10 @@ if [[ "$#" -eq 0 ]]; then
 fi
 
 for source in "$@"; do
+    if [[ "$source" = /* || "$source" == .. || "$source" == ../* || "$source" == */.. || "$source" == */../* ]]; then
+        echo "LinuxCNC source path must be root-relative: $source" >&2
+        exit 1
+    fi
     full_source="$linuxcnc_root/$source"
     if [[ ! -f "$full_source" ]]; then
         echo "$missing_source_message: $source" >&2