am-libexec-packaged

#!/data/data/com.termux/files/usr/bin/sh
TERMUX_AM_VERSION=0.8.0
AM_APK_PATH="@TERMUX_PREFIX@/libexec/termux-am/am.apk"

if [ "$1" = "--version" ]; then
    echo "$TERMUX_AM_VERSION"
    exit 0
fi

# If apk file is writable and current effective user is not root (0),
# system (1000) and shell (2000), then remove write bit from apk
# permissions for current used for Android >= 14 since it will trigger
# the `SecurityException: Writable dex file '/path/to/am.apk' is not allowed.`
# exception in logcat by SystemClassLoader and cause a SIGABRT for the
# app_process.
# - https://github.com/termux/termux-packages/issues/16255
# - https://developer.android.com/about/versions/14/behavior-changes-14#safer-dynamic-code-loading
# - https://cs.android.com/android/_/android/platform/art/+/03ac3eb0fc36be97f301ac60e85e1bb7ca52fa12
# - https://cs.android.com/android/_/android/platform/art/+/d3a8a9e960d533f39b6bafc785599eae838a6351
# - https://cs.android.com/android/_/android/platform/art/+/03ac3eb0fc36be97f301ac60e85e1bb7ca52fa12:runtime/native/dalvik_system_DexFile.cc;l=335
if [ -w "$AM_APK_PATH" ]; then
    user="$(id -u)"
    if [ "$user" != "0" ] && [ "$user" != "1000" ] && [ "$user" != "2000" ]; then
        chmod 0400 "$AM_APK_PATH" || exit $?
    fi
fi

export CLASSPATH="$AM_APK_PATH"
unset LD_LIBRARY_PATH LD_PRELOAD
exec /system/bin/app_process -Xnoimage-dex2oat / com.termux.termuxam.Am "$@"