From abb3c3d4dc4093c4ce64aca5e7925bdd97474208 Mon Sep 17 00:00:00 2001
From: Jean-Marie Mineau <jean-marie.mineau@inria.fr>
Date: Fri, 13 Jun 2025 17:45:49 +0200
Subject: [PATCH] script to patch all apk collected

---
 experiment/patch_apk.sh | 64 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 64 insertions(+)
 create mode 100644 experiment/patch_apk.sh

diff --git a/experiment/patch_apk.sh b/experiment/patch_apk.sh
new file mode 100644
index 0000000..a4ef322
--- /dev/null
+++ b/experiment/patch_apk.sh
@@ -0,0 +1,64 @@
+#!/usr/bin/env bash
+
+FOLDER=$(dirname "$(realpath $0)")
+PATCHER_DIR="${FOLDER}/../patcher"
+PATCHER="${FOLDER}/../patcher/target/release/patcher"
+KEY_PASS='P@ssw0rd!'
+
+ANDROID_HOME=${ANDROID_HOME:-"${HOME}/Android/Sdk"}
+ZIPALIGN="${ANDROID_HOME}/build-tools/34.0.0/zipalign"
+APKSIGNER="${ANDROID_HOME}/build-tools/34.0.0/apksigner"
+
+APK_DIR="${1}"
+RES_DIR="${2}"
+
+export RUST_LOG='warn'
+
+if [ ! -d "${RES_DIR}" ]; then 
+    echo "Usage: bash ${0} /path/to/apk/dir /path/to/result/dir"
+    echo "    /path/to/apk/dir is the folder where to store the application downloaded"
+    echo "    /path/to/apk/dir is the folder where the dynamic analysis result where stored"
+    exit
+fi
+
+
+if [ ! -f "${FOLDER}/kestore.key" ]; then
+    keytool -genkeypair -validity 1000 -dname 'CN=SomeKey,O=SomeOne,C=FR' -keystore "${FOLDER}/kestore.key" -storepass "${KEY_PASS}" -keypass "${KEY_PASS}" -alias SignKey -keyalg RSA -v
+fi
+
+cd "${PATCHER_DIR}"
+cargo build --release
+cd -
+
+
+TMP_DIR=$(mktemp -d)
+
+# split the apks to patch into 10 chunks
+mkdir -p "${TMP_DIR}/apks"
+N_CHUNK=$(python3 -c "print($(ls ${APK_DIR} | wc -l)//10 + 1)")
+ls "${APK_DIR}" | sed 's#.*/##' | sed 's/\.apk//' > "${TMP_DIR}/apk_list"
+
+split -a 2 -d -l "${N_CHUNK}" "${TMP_DIR}/apk_list" "${TMP_DIR}/apks/"
+
+worker() {
+  for sha in $(cat "${TMP_DIR}/apks/${1}"); do
+    # Check the result folder exist
+    if [ -d "${RES_DIR}/${sha}" ]; then
+      echo "Dynamic result not found for ${sha} (folder ${RES_DIR}/${sha} not found)"
+      continue
+    fi
+    if [ -f "${RES_DIR}/${sha}/data.json" ]; then
+      echo "Dynamic result not found for ${sha} (folder ${RES_DIR}/${sha}/data.json not found)"
+      continue
+    fi
+
+    "${PATCHER}" --runtime-data "${RES_DIR}/${sha}/data.json" --path "${APK_DIR}/${sha}.apk" --out "${RES_DIR}/${sha}/patched.apk" -k "${FOLDER}/kestore.key" --keypassword "${KEY_PASS}" -z "${ZIPALIGN}" -a "${APKSIGNER}" --code-loading-patch-strategy model-class-loaders > "${RES_DIR}/${sha}/patcher.stdout" 2> "${RES_DIR}/${sha}/patcher.stderr"
+  done
+  echo "Finished ${1}"
+}
+
+for lst in $(ls "${TMP_DIR}/apks/"); do
+  worker "${lst}" &
+done
+
+rm -rf "${TMP_DIR}"