First release

scripts/inject.sh

@@ -0,0 +1,85 @@
+#!/bin/bash
+
+set -e
+
+# Function to display usage instructions
+usage() {
+    echo "Usage: $0 <dylib> <app_path>"
+    echo "  dylib      - The dynamic library to inject."
+    echo "  app_path   - The path to the .app bundle."
+    exit 1
+}
+
+# Ensure required arguments are provided
+if [ "$#" -ne 2 ]; then
+    echo "[ERROR] Incorrect number of arguments."
+    usage
+fi
+
+DYLIB=$1
+APP_PATH=$2
+
+# Validate inputs
+if [ ! -f "$DYLIB" ]; then
+    echo "[ERROR] The specified dynamic library ($DYLIB) does not exist."
+    exit 1
+fi
+
+if [ ! -d "$APP_PATH" ]; then
+    echo "[ERROR] The specified app path ($APP_PATH) does not exist."
+    exit 1
+fi
+
+INFO_PLIST_PATH="$APP_PATH/Contents/Info.plist"
+if [ ! -f "$INFO_PLIST_PATH" ]; then
+    echo "[ERROR] Info.plist not found at $INFO_PLIST_PATH"
+    exit 1
+fi
+
+# Get the executable name from Info.plist
+APP_NAME=$(/usr/libexec/PlistBuddy -c "Print CFBundleExecutable" "$INFO_PLIST_PATH")
+if [ -z "$APP_NAME" ]; then
+    echo "[ERROR] Could not read CFBundleExecutable from $INFO_PLIST_PATH"
+    exit 1
+fi
+
+echo "[INFO] Executable name: $APP_NAME"
+
+EXECUTABLE_PATH="$APP_PATH/Contents/MacOS/$APP_NAME"
+if [ ! -f "$EXECUTABLE_PATH" ]; then
+    echo "[ERROR] The specified executable ($EXECUTABLE_PATH) does not exist."
+    exit 1
+fi
+
+mkdir -p "$APP_PATH/Contents/Resources/"
+
+# Copy the dylib to the Resources folder
+cp "$DYLIB" "$APP_PATH/Contents/Resources/"
+echo "[INFO] Copied $DYLIB to $APP_PATH/Contents/Resources/"
+
+optool install -c load -p "@executable_path/../Resources/$(basename "$DYLIB")" -t "$EXECUTABLE_PATH"
+echo "[INFO] Injected $DYLIB into $EXECUTABLE_PATH"
+
+sudo codesign --remove-signature "$EXECUTABLE_PATH"
+sudo xattr -cr "$EXECUTABLE_PATH"
+sudo codesign -f -s - --timestamp=none --all-architectures "$EXECUTABLE_PATH"
+sudo xattr -cr "$EXECUTABLE_PATH"
+
+echo "Signed successfully."
+
+# Change ownership to current user
+CURRENT_USER=$(whoami)
+CURRENT_GROUP=$(id -gn)
+echo "Changing ownership to $CURRENT_USER:$CURRENT_GROUP for $APP_PATH ..."
+sudo chown -R "$CURRENT_USER:$CURRENT_GROUP" "$APP_PATH"
+
+# Remove _MASReceipt if it exists
+RECEIPT_PATH="$APP_PATH/Contents/_MASReceipt"
+if [ -d "$RECEIPT_PATH" ]; then
+  echo "Removing _MASReceipt..."
+  rm -r "$RECEIPT_PATH"
+else
+  echo "No _MASReceipt directory found."
+fi
+
+exit 0