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Merge "Revert "Set a default ACL on /data/media/userId.""

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This commit is contained in:
Martijn Coenen 2020-12-24 08:38:02 +00:00 committed by Gerrit Code Review
commit 6836a8bda7
3 changed files with 2 additions and 14 deletions
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9
FsCrypt.cpp
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@ -74,7 +74,6 @@ using android::vold::KeyBuffer;
using android::vold::KeyGeneration;
using android::vold::retrieveKey;
using android::vold::retrieveOrGenerateKey;
using android::vold::SetDefaultAcl;
using android::vold::SetQuotaInherit;
using android::vold::SetQuotaProjectId;
using android::vold::writeStringToFile;
@ -869,14 +868,6 @@ bool fscrypt_prepare_user_storage(const std::string& volume_uuid, userid_t user_
if (!prepare_dir(vendor_ce_path, 0771, AID_ROOT, AID_ROOT)) return false;
}
if (!prepare_dir(media_ce_path, 0770, AID_MEDIA_RW, AID_MEDIA_RW)) return false;
// On devices without sdcardfs (kernel 5.4+), the path permissions aren't fixed
// up automatically; therefore, use a default ACL, to ensure apps with MEDIA_RW
// can keep reading external storage; in particular, this allows app cloning
// scenarios to work correctly on such devices.
int ret = SetDefaultAcl(media_ce_path, 0770, AID_MEDIA_RW, AID_MEDIA_RW, {AID_MEDIA_RW});
if (ret != android::OK) {
return false;
}
if (!prepare_dir(user_ce_path, 0771, AID_SYSTEM, AID_SYSTEM)) return false;

2
Utils.cpp
View file

@ -136,7 +136,7 @@ status_t DestroyDeviceNode(const std::string& path) {
}
// Sets a default ACL on the directory.
status_t SetDefaultAcl(const std::string& path, mode_t mode, uid_t uid, gid_t gid,
int SetDefaultAcl(const std::string& path, mode_t mode, uid_t uid, gid_t gid,
std::vector<gid_t> additionalGids) {
if (IsSdcardfsUsed()) {
// sdcardfs magically takes care of this

3
Utils.h
View file

@ -52,9 +52,6 @@ std::string GetFuseMountPathForUser(userid_t user_id, const std::string& relativ
status_t CreateDeviceNode(const std::string& path, dev_t dev);
status_t DestroyDeviceNode(const std::string& path);
status_t SetDefaultAcl(const std::string& path, mode_t mode, uid_t uid, gid_t gid,
std::vector<gid_t> additionalGids);
status_t AbortFuseConnections();
int SetQuotaInherit(const std::string& path);