PTP: Fix permissions problems with files imported via PTP
Change-Id: I630a89c67e5b3d6d0c29e6c257f84e1909fa4de2
Signed-off-by: Mike Lockwood <lockwood@android.com>
diff --git a/media/mtp/MtpDevice.cpp b/media/mtp/MtpDevice.cpp
index 1b23a8e..416ebfe 100644
--- a/media/mtp/MtpDevice.cpp
+++ b/media/mtp/MtpDevice.cpp
@@ -349,7 +349,7 @@
}
// reads the object's data and writes it to the specified file path
-bool MtpDevice::readObject(MtpObjectHandle handle, const char* destPath) {
+bool MtpDevice::readObject(MtpObjectHandle handle, const char* destPath, int group, int perm) {
LOGD("readObject: %s", destPath);
int fd = ::open(destPath, O_RDWR | O_CREAT | O_TRUNC);
if (fd < 0) {
@@ -357,6 +357,12 @@
return false;
}
+ fchown(fd, getuid(), group);
+ // set permissions
+ int mask = umask(0);
+ fchmod(fd, perm);
+ umask(mask);
+
Mutex::Autolock autoLock(mMutex);
bool result = false;
diff --git a/media/mtp/MtpDevice.h b/media/mtp/MtpDevice.h
index 720502c..21c85d5 100644
--- a/media/mtp/MtpDevice.h
+++ b/media/mtp/MtpDevice.h
@@ -75,7 +75,8 @@
MtpDeviceInfo* getDeviceInfo();
MtpStorageIDList* getStorageIDs();
MtpStorageInfo* getStorageInfo(MtpStorageID storageID);
- MtpObjectHandleList* getObjectHandles(MtpStorageID storageID, MtpObjectFormat format, MtpObjectHandle parent);
+ MtpObjectHandleList* getObjectHandles(MtpStorageID storageID, MtpObjectFormat format,
+ MtpObjectHandle parent);
MtpObjectInfo* getObjectInfo(MtpObjectHandle handle);
void* getThumbnail(MtpObjectHandle handle, int& outLength);
MtpObjectHandle sendObjectInfo(MtpObjectInfo* info);
@@ -86,7 +87,8 @@
MtpProperty* getDevicePropDesc(MtpDeviceProperty code);
- bool readObject(MtpObjectHandle handle, const char* destPath);
+ bool readObject(MtpObjectHandle handle, const char* destPath, int group,
+ int perm);
private:
bool sendRequest(MtpOperationCode operation);