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-rw-r--r--core/java/android/os/storage/StorageVolume.java24
-rwxr-xr-xcore/res/res/values/attrs.xml2
-rw-r--r--media/java/android/mtp/MtpPropertyGroup.java1
-rw-r--r--media/java/android/mtp/MtpStorage.java11
-rw-r--r--media/jni/android_mtp_MtpServer.cpp10
-rw-r--r--media/mtp/MtpServer.cpp8
-rw-r--r--media/mtp/MtpStorage.cpp4
-rw-r--r--media/mtp/MtpStorage.h4
-rw-r--r--services/java/com/android/server/MountService.java8
9 files changed, 62 insertions, 10 deletions
diff --git a/core/java/android/os/storage/StorageVolume.java b/core/java/android/os/storage/StorageVolume.java
index 792e4c1..60900e1 100644
--- a/core/java/android/os/storage/StorageVolume.java
+++ b/core/java/android/os/storage/StorageVolume.java
@@ -34,6 +34,8 @@ public class StorageVolume implements Parcelable {
private final int mMtpReserveSpace;
private final boolean mAllowMassStorage;
private int mStorageId;
+ // maximum file size for the storage, or zero for no limit
+ private final long mMaxFileSize;
// StorageVolume extra for ACTION_MEDIA_REMOVED, ACTION_MEDIA_UNMOUNTED, ACTION_MEDIA_CHECKING,
// ACTION_MEDIA_NOFS, ACTION_MEDIA_MOUNTED, ACTION_MEDIA_SHARED, ACTION_MEDIA_UNSHARED,
@@ -41,18 +43,20 @@ public class StorageVolume implements Parcelable {
public static final String EXTRA_STORAGE_VOLUME = "storage_volume";
public StorageVolume(String path, String description, boolean removable,
- boolean emulated, int mtpReserveSpace, boolean allowMassStorage) {
+ boolean emulated, int mtpReserveSpace, boolean allowMassStorage, long maxFileSize) {
mPath = path;
mDescription = description;
mRemovable = removable;
mEmulated = emulated;
mMtpReserveSpace = mtpReserveSpace;
mAllowMassStorage = allowMassStorage;
+ mMaxFileSize = maxFileSize;
}
// for parcelling only
private StorageVolume(String path, String description, boolean removable,
- boolean emulated, int mtpReserveSpace, int storageId, boolean allowMassStorage) {
+ boolean emulated, int mtpReserveSpace, int storageId,
+ boolean allowMassStorage, long maxFileSize) {
mPath = path;
mDescription = description;
mRemovable = removable;
@@ -60,6 +64,7 @@ public class StorageVolume implements Parcelable {
mMtpReserveSpace = mtpReserveSpace;
mAllowMassStorage = allowMassStorage;
mStorageId = storageId;
+ mMaxFileSize = maxFileSize;
}
/**
@@ -142,6 +147,15 @@ public class StorageVolume implements Parcelable {
return mAllowMassStorage;
}
+ /**
+ * Returns maximum file size for the volume, or zero if it is unbounded.
+ *
+ * @return maximum file size
+ */
+ public long getMaxFileSize() {
+ return mMaxFileSize;
+ }
+
@Override
public boolean equals(Object obj) {
if (obj instanceof StorageVolume && mPath != null) {
@@ -171,9 +185,10 @@ public class StorageVolume implements Parcelable {
int storageId = in.readInt();
int mtpReserveSpace = in.readInt();
int allowMassStorage = in.readInt();
+ long maxFileSize = in.readLong();
return new StorageVolume(path, description,
- removable == 1, emulated == 1,
- mtpReserveSpace, storageId, allowMassStorage == 1);
+ removable == 1, emulated == 1, mtpReserveSpace,
+ storageId, allowMassStorage == 1, maxFileSize);
}
public StorageVolume[] newArray(int size) {
@@ -193,5 +208,6 @@ public class StorageVolume implements Parcelable {
parcel.writeInt(mStorageId);
parcel.writeInt(mMtpReserveSpace);
parcel.writeInt(mAllowMassStorage ? 1 : 0);
+ parcel.writeLong(mMaxFileSize);
}
}
diff --git a/core/res/res/values/attrs.xml b/core/res/res/values/attrs.xml
index 4bc59e4..9c2133f 100755
--- a/core/res/res/values/attrs.xml
+++ b/core/res/res/values/attrs.xml
@@ -5318,6 +5318,8 @@
<attr name="mtpReserve" format="integer" />
<!-- true if the storage can be shared via USB mass storage -->
<attr name="allowMassStorage" format="boolean" />
+ <!-- maximum file size for the volume in megabytes, zero or unspecified if it is unbounded -->
+ <attr name="maxFileSize" format="integer" />
</declare-styleable>
<declare-styleable name="SwitchPreference">
diff --git a/media/java/android/mtp/MtpPropertyGroup.java b/media/java/android/mtp/MtpPropertyGroup.java
index b75b11a..76c8569 100644
--- a/media/java/android/mtp/MtpPropertyGroup.java
+++ b/media/java/android/mtp/MtpPropertyGroup.java
@@ -330,7 +330,6 @@ class MtpPropertyGroup {
}
int count = (c == null ? 1 : c.getCount());
- Log.d(TAG, "count: " + count);
MtpPropertyList result = new MtpPropertyList(count * mProperties.length,
MtpConstants.RESPONSE_OK);
diff --git a/media/java/android/mtp/MtpStorage.java b/media/java/android/mtp/MtpStorage.java
index 7932d34..da190a6 100644
--- a/media/java/android/mtp/MtpStorage.java
+++ b/media/java/android/mtp/MtpStorage.java
@@ -32,6 +32,7 @@ public class MtpStorage {
private final String mDescription;
private final long mReserveSpace;
private final boolean mRemovable;
+ private final long mMaxFileSize;
public MtpStorage(StorageVolume volume) {
mStorageId = volume.getStorageId();
@@ -39,6 +40,7 @@ public class MtpStorage {
mDescription = volume.getDescription();
mReserveSpace = volume.getMtpReserveSpace();
mRemovable = volume.isRemovable();
+ mMaxFileSize = volume.getMaxFileSize();
}
/**
@@ -98,4 +100,13 @@ public class MtpStorage {
public final boolean isRemovable() {
return mRemovable;
}
+
+ /**
+ * Returns maximum file size for the storage, or zero if it is unbounded.
+ *
+ * @return maximum file size
+ */
+ public long getMaxFileSize() {
+ return mMaxFileSize;
+ }
}
diff --git a/media/jni/android_mtp_MtpServer.cpp b/media/jni/android_mtp_MtpServer.cpp
index aaf85c3..446b630 100644
--- a/media/jni/android_mtp_MtpServer.cpp
+++ b/media/jni/android_mtp_MtpServer.cpp
@@ -48,6 +48,7 @@ static jfieldID field_MtpStorage_path;
static jfieldID field_MtpStorage_description;
static jfieldID field_MtpStorage_reserveSpace;
static jfieldID field_MtpStorage_removable;
+static jfieldID field_MtpStorage_maxFileSize;
static Mutex sMutex;
@@ -228,12 +229,14 @@ android_mtp_MtpServer_add_storage(JNIEnv *env, jobject thiz, jobject jstorage)
jstring description = (jstring)env->GetObjectField(jstorage, field_MtpStorage_description);
jlong reserveSpace = env->GetLongField(jstorage, field_MtpStorage_reserveSpace);
jboolean removable = env->GetBooleanField(jstorage, field_MtpStorage_removable);
+ jlong maxFileSize = env->GetLongField(jstorage, field_MtpStorage_maxFileSize);
const char *pathStr = env->GetStringUTFChars(path, NULL);
if (pathStr != NULL) {
const char *descriptionStr = env->GetStringUTFChars(description, NULL);
if (descriptionStr != NULL) {
- MtpStorage* storage = new MtpStorage(storageID, pathStr, descriptionStr, reserveSpace, removable);
+ MtpStorage* storage = new MtpStorage(storageID, pathStr, descriptionStr,
+ reserveSpace, removable, maxFileSize);
thread->addStorage(storage);
env->ReleaseStringUTFChars(path, pathStr);
env->ReleaseStringUTFChars(description, descriptionStr);
@@ -312,6 +315,11 @@ int register_android_mtp_MtpServer(JNIEnv *env)
LOGE("Can't find MtpStorage.mRemovable");
return -1;
}
+ field_MtpStorage_maxFileSize = env->GetFieldID(clazz, "mMaxFileSize", "J");
+ if (field_MtpStorage_maxFileSize == NULL) {
+ LOGE("Can't find MtpStorage.mMaxFileSize");
+ return -1;
+ }
clazz_MtpStorage = (jclass)env->NewGlobalRef(clazz);
clazz = env->FindClass("android/mtp/MtpServer");
diff --git a/media/mtp/MtpServer.cpp b/media/mtp/MtpServer.cpp
index bc04e8c..9085f10 100644
--- a/media/mtp/MtpServer.cpp
+++ b/media/mtp/MtpServer.cpp
@@ -871,6 +871,14 @@ MtpResponseCode MtpServer::doSendObjectInfo() {
// check space first
if (mSendObjectFileSize > storage->getFreeSpace())
return MTP_RESPONSE_STORAGE_FULL;
+ uint64_t maxFileSize = storage->getMaxFileSize();
+ // check storage max file size
+ if (maxFileSize != 0) {
+ // if mSendObjectFileSize is 0xFFFFFFFF, then all we know is the file size
+ // is >= 0xFFFFFFFF
+ if (mSendObjectFileSize > maxFileSize || mSendObjectFileSize == 0xFFFFFFFF)
+ return MTP_RESPONSE_OBJECT_TOO_LARGE;
+ }
LOGD("path: %s parent: %d storageID: %08X", (const char*)path, parent, storageID);
MtpObjectHandle handle = mDatabase->beginSendObject((const char*)path,
diff --git a/media/mtp/MtpStorage.cpp b/media/mtp/MtpStorage.cpp
index fef8066..941e303 100644
--- a/media/mtp/MtpStorage.cpp
+++ b/media/mtp/MtpStorage.cpp
@@ -33,11 +33,13 @@
namespace android {
MtpStorage::MtpStorage(MtpStorageID id, const char* filePath,
- const char* description, uint64_t reserveSpace, bool removable)
+ const char* description, uint64_t reserveSpace,
+ bool removable, uint64_t maxFileSize)
: mStorageID(id),
mFilePath(filePath),
mDescription(description),
mMaxCapacity(0),
+ mMaxFileSize(maxFileSize),
mReserveSpace(reserveSpace),
mRemovable(removable)
{
diff --git a/media/mtp/MtpStorage.h b/media/mtp/MtpStorage.h
index 3e4f40d..e5a2e57 100644
--- a/media/mtp/MtpStorage.h
+++ b/media/mtp/MtpStorage.h
@@ -31,6 +31,7 @@ private:
MtpString mFilePath;
MtpString mDescription;
uint64_t mMaxCapacity;
+ uint64_t mMaxFileSize;
// amount of free space to leave unallocated
uint64_t mReserveSpace;
bool mRemovable;
@@ -38,7 +39,7 @@ private:
public:
MtpStorage(MtpStorageID id, const char* filePath,
const char* description, uint64_t reserveSpace,
- bool removable);
+ bool removable, uint64_t maxFileSize);
virtual ~MtpStorage();
inline MtpStorageID getStorageID() const { return mStorageID; }
@@ -50,6 +51,7 @@ public:
const char* getDescription() const;
inline const char* getPath() const { return (const char *)mFilePath; }
inline bool isRemovable() const { return mRemovable; }
+ inline uint64_t getMaxFileSize() const { return mMaxFileSize; }
};
}; // namespace android
diff --git a/services/java/com/android/server/MountService.java b/services/java/com/android/server/MountService.java
index 54e5432..2e54c99 100644
--- a/services/java/com/android/server/MountService.java
+++ b/services/java/com/android/server/MountService.java
@@ -1075,18 +1075,22 @@ class MountService extends IMountService.Stub implements INativeDaemonConnectorC
com.android.internal.R.styleable.Storage_mtpReserve, 0);
boolean allowMassStorage = a.getBoolean(
com.android.internal.R.styleable.Storage_allowMassStorage, false);
+ // resource parser does not support longs, so XML value is in megabytes
+ long maxFileSize = a.getInt(
+ com.android.internal.R.styleable.Storage_maxFileSize, 0) * 1024L * 1024L;
Slog.d(TAG, "got storage path: " + path + " description: " + description +
" primary: " + primary + " removable: " + removable +
" emulated: " + emulated + " mtpReserve: " + mtpReserve +
- " allowMassStorage: " + allowMassStorage);
+ " allowMassStorage: " + allowMassStorage +
+ " maxFileSize: " + maxFileSize);
if (path == null || description == null) {
Slog.e(TAG, "path or description is null in readStorageList");
} else {
String pathString = path.toString();
StorageVolume volume = new StorageVolume(pathString,
description.toString(), removable, emulated,
- mtpReserve, allowMassStorage);
+ mtpReserve, allowMassStorage, maxFileSize);
if (primary) {
if (mPrimaryVolume == null) {
mPrimaryVolume = volume;
generated by cgit v1.1 at 2024-07-06 08:05:22 +0000