Whitelist the staging directory in installd

Make the path /data/pkg_staging a valid path for APK and APEX files, inorder
to allow the deletion of APEX files after their corresponding sessions
reach a final state.

Bug: 123624108
Test: manual - trigger APEX deletion from the mentioned directory
Change-Id: I9bf03c924080e8c75a6c0e9d163460d365061487

1 files changed, 6 insertions, 0 deletions

diff --git a/cmds/installd/globals.cpp b/cmds/installd/globals.cpp
index b3a6dafa9a..f52c2e778b 100644
--- a/cmds/installd/globals.cpp
+++ b/cmds/installd/globals.cpp
@@ -44,6 +44,8 @@ static constexpr const char* PROFILES_SUBDIR = "misc/profiles"; // sub-directory
 static constexpr const char* PRIVATE_APP_SUBDIR = "app-private/"; // sub-directory under
                                                                   // ANDROID_DATA
 
+static constexpr const char* STAGING_SUBDIR = "pkg_staging/"; // sub-directory under ANDROID_DATA
+
 std::string android_app_dir;
 std::string android_app_ephemeral_dir;
 std::string android_app_lib_dir;
@@ -54,6 +56,7 @@ std::string android_media_dir;
 std::string android_mnt_expand_dir;
 std::string android_profiles_dir;
 std::string android_root_dir;
+std::string android_staging_dir;
 
 std::vector<std::string> android_system_dirs;
 
@@ -110,6 +113,9 @@ bool init_globals_from_data_and_root(const char* data, const char* root) {
     // Get the android profiles directory.
     android_profiles_dir = android_data_dir + PROFILES_SUBDIR;
 
+    // Get the android session staging directory.
+    android_staging_dir = android_data_dir + STAGING_SUBDIR;
+
     // Take note of the system and vendor directories.
     android_system_dirs.clear();
     android_system_dirs.push_back(android_root_dir + APP_SUBDIR);