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2019-03-28Transfer /dev/mtp_usb fd ownership when instancing MtpDevHandledianlujitao3-4/+5
/dev/mtp_usb was opened before instancing MtpDevHandle, the existing fd should be passed in otherwise MtpDevHandle::start would be blocked as it attempted to open the device twice. Change-Id: I6afc5b6926930dad77aceac2f6a00e1c6759a883
2019-03-20MTP FFS updates:bigbiff bigbiff111-1107/+13161
This update splits old MTP code and new MTP code from Google into two trees, legacy and ffs. Depending on the SDK level, the build system will select the correct version. The reason for separating the versions out are due to older android trees not supporting the updated MTP code from Google. Most MTP code is from Google, with additions needed from implementing the Java functions in C++ for TWRP and FFS. We assume if you are in android-9.0 or above, your kernel has support for FFS over MTP. Verify that your init.rc is mounting the MTP FFS driver to the proper location. Change-Id: I4b107b239bd9bc5699527f9c8c77d9079f264a7e
2018-08-31Decrypt FBE on 9.0 (backwards compatible)Ethan Yonker1-1/+1
Building in 9.0 may require you to add a flag to your twrp fstab with the fileencryption details like: fileencryption=ice:aes-256-heh Verify this against your device's stock fstab of course. Change-Id: If9286f5d5787280814daca9fbc8f5191ff26a839
2017-11-28Support v2 fstab formatEthan Yonker2-3/+3
Auto detect and support both the v1 and v2 fstab formats Support putting TWRP style flags in a separate /etc/twrp.flags file twrp.flags format is the same as twrp.fstab (v1 with TWRP flags) Support using a wildcard in a block device and find all partitions: /usb-otg vfat /dev/block/sda* Support using sysfs entries (voldmanaged) and read uevents and scan for wildcard partitions from uevent data. (twvold?) May not be complete for some of the newer flags found in fstabs in newer build trees and there is a slim chance of a crash if the user removes a removable device while TWRP is performing actions. May need to add some kind of mutex to prevent the 2 threads from causing this crash. We need to start somewhere though and this change is pretty innocuous when not using a v2 fstab. Change-Id: I617d97c7db332cbe671a9d2b8ad98b3d9c4f03cc
2017-08-25DO NOT MERGE Android 8.0 stuffEthan Yonker3-0/+25
Change-Id: I8c8a9734adbf36c33463123844fa6e078934ae34
2017-02-23Update MTP debugging tagsMatt Mower2-5/+5
Change-Id: I8cf8b32d5a98ac2470386cbaf70cfc87f44e94f6
2017-01-18Add missing license headersMatt Mower1-1/+1
Change-Id: I7f807a2f140068181524d8e868d029b4d94c70e8
2016-08-26Fix compatibility across the boardEthan Yonker1-6/+3
Change-Id: I6376920775ddabb4d4af505fffd86e404403a64a
2016-01-29Remove execute permissions from source filesthat43-0/+0
Change-Id: I5deef665ab374491c0f498b498971abd525d1111
2016-01-25Adopted Storage supportEthan Yonker1-1/+0
-Detects, decrypts, and mounts an adopted SD card if a secondary block device is defined (usually mmcblk1) -Handles unified storage -Displays the adopted storage in MTP along with internal -Factory Reset - wiped just like a data media device, we retain the keys folder and the storage.xml during a factory reset -Backup / Restore -Disable mass storage when adopted storage is present -Read storage nickname from storage.xml and apply it to display names in the GUI -Read storage.xml and determine what storage location is in use for /sdcard and remap accordingly libgpt_twrp is source code mostly kanged from an efimanager project. It is GPL v2 or higher, so we will opt for GPL v3. Change-Id: Ieda0030bec5155ba8d2b9167dc0016cebbf39d55
2015-12-23do not include stlport headers unless link to itXing1-2/+6
Change-Id: I8344d270ddb601694b5fef0fa7b22ea437030728
2015-12-22mtp: Address clang compilation errorsMatt Mower3-4/+4
* Move default value of debug_enabled to declaration * Set more-correct fake values for MtpProperty sets Change-Id: Ife3c15ac6c908848c16a609e8e505336e53c19d8
2015-11-09Fix rules for libstlportEthan Yonker1-1/+1
Change-Id: I571e906173c9e70de97e3cfefd10da5137dba4d4
2015-02-09Fix erroneous infinite loop in MTP inotify_tEthan Yonker1-1/+1
Change-Id: I60ce40bd08e2ce9b04beb5dc4876b86f3688861b
2015-02-02MTP: make MTP work even if unplugged and repluggedEthan Yonker4-42/+34
Set up a loop to keep trying to open / read the MTP device so that MTP will work even if the device is unplugged during boot or unplugged and replugged in. Change-Id: I0d3a3b7c91ce84a8cbed16caa4b15efee35b3641
2015-01-27Use TWAtomicInt in MTPStorageEthan Yonker3-74/+7
Change-Id: I3450fd2334a441c3d9d40a856128a3cc932cb7f3
2014-12-29mtp: get rid of string streams, reduces binary size a bitthat3-10/+5
Change-Id: Iaa91eaac8269f02783c904d890641861ec747d11
2014-12-29Move sleep during MTP startup to MTP threadEthan Yonker1-0/+5
Some devices are very slow to respond to the sysfs requests. To prevent delaying the main GUI from booting during TWRP startup, we move the sleep delay to just before we open the MTP device and into the MTP thread so that it does not hold up the main TWRP thread. Change-Id: Ic931ef317d0fb7ef4dfdef46a32f68a014ff62c0
2014-12-29Check for valid MTP_Storage_ID before adding or removingEthan Yonker1-5/+9
Attempting to add a storage ID of 0 was causing a seg fault. Change-Id: If8797186405be36ee70dbca63bd1063a62ba2812
2014-12-29Improve MTPServer logging of read errorsEthan Yonker1-4/+8
Unless MTP debug logging is enabled, you will miss the error and will not know that something went wrong in the log. Change-Id: I51f4758b415eb38e808ec8b1c9788b505bf88c65
2014-12-22Fix else if and maxFileSize initializer.bigbiff2-1/+2
Change-Id: Iac7852a4fb2add5744d5ea424d6ad5a82828f102
2014-12-19MTP add/remove storage instead of disabling MTPEthan Yonker13-17/+248
Implement a pipe between TWRP and MTP to allow TWRP to tell MTP to remove storage partitions as they become unavailable (e.g. during a wipe, unmount, etc) instead of disabling MTP completely. This includes some fixes and improvements in destructors to properly remove / delete various items. This also means that we will not be toggling adb off and on quite as often. I do not like that we had to add another thread, but we were unable to use select() on the mtp_usb character device because this device does not support polling. Select always returned indicating that the mtp file descriptor was ready to be read and the resulting read would block. The read block prevented us from being able to include reading of the pipe between TWRP and MTP in the main MTP thread. We might want to add a return pipe letting TWRP know if the removal of the storage device was successful, but I am not sure how we want to implement this. It would invovle timeouts in both TWRP and MTP to ensure that we returned a failure indicator in a timely manner to TWRP and prevent deleting the storage device in the case of a failure. Right now we make no attempt to ensure that an MTP operation is underway like a large file transfer, but we were not doing anything like this in the past. In some respects we have limited control over what happens. If the user installs a zip that unmounts a storage partition, we will not know about the change in storage status anyway. Regular Android does not have these troubles because partitions rarely get unmounted like in recovery. At some point, we have to hold the user accountable for performing actions that may remove a storage partition while they are using MTP anyway. Ideally we do not want to toggle the USB IDs and thus toggle adb off and on during early boot, but I am not sure what the best way to handle that at this time. Change-Id: I9343e5396bf6023d3b994de1bf01ed91d129bc14
2014-12-12Attempt to set the proper uid/gid/contexts on new files and dirsEthan Yonker2-2/+5
Files and folders that we create during backups, copy log, or MTP operations often do not have the proper uid/gid/contexts assigned. We will attempt to read the proper contexts from the settings storage path and assign those same contexts to any files or dirs that we create. Change-Id: I769f9479854122b49b499de2175e6e2d026f8afd
2014-12-04add function to partition.cpp to return max file size to mtp responderbigbiff5-5/+9
Change-Id: If8114b5eac741db6c512fb35cb48e3825c2ff098
2014-11-25TWRP MTP: make sure inotify_fd is setEthan Yonker1-9/+14
Originally the inotify_init() call was part of a separate thread which would occasionally allow the readDirs function to run and start trying to add watches before inotify_fd was init'ed properly and result in the add watch failing. This patch set relocates the inotify_init call to happen outside and before starting the separate thread to ensure that inotify_fd is set properly. Change-Id: I8748c23473b60b57887df9d692834f3d2b249802
2014-11-06Fix some includes that are not longer presentEthan Yonker1-2/+2
Change-Id: Ic9509b0dc7f71ae64f64cc891868a2543eee4321
2014-10-14mtp: fix log spam: findNode not finding a node is not an errorthat1-1/+1
The requested file might be on another storage. Change-Id: Ia71525058b616a28a8ea2b4ab48ebac1c790757e
2014-10-08mtp: cleanup, fixes and performance improvementsthat6-1078/+691
- use std::map instead of linked list - read directories on demand - fix writing zip files to storage root - fix creating directories - lots of minor fixes - simplify generation of storage IDs and make them spec compliant Change-Id: I2137c27549ddbdc58466f2e3aeda464fac70a3c5
2014-10-07atime is access time, let's just use mtimeJenkins1-3/+1
Change-Id: I828bc473a263868bd82b042c4009701d09a77a1f
2014-09-13Include no strict aliasing for MTPMotorhead19911-1/+1
Change-Id: I570bb1c1387ec16fb062d7844af12b24c74e3755
2014-09-11Fix handling of MTP fork/child processEthan Yonker1-0/+2
Change-Id: Iacd8a38d21e9c8b0dfafefbeb646f46cd3ba02a1
2014-09-11MTP: Build flag for setting custom MTP device/pathEthan Yonker2-2/+9
Change-Id: Ic19ec61dc6cb08df00eb1326d96262b46bb93bfb
2014-09-09MTP: fix some code pathsbigbiff bigbiff2-33/+34
Still doesn't fix the bug of copying zip files to the root of storage in Windows. Change-Id: Iddec66a49c17cf48cbd1c67ad6679349ece8e05c
2014-09-07mktime_tz is blocking, don't use itbigbiff bigbiff1-3/+8
Change-Id: I0a66a69b68d975389302ae4361c9c106eb722538
2014-09-05MTP: Use fork instead of pthreadEthan Yonker2-2/+18
Change-Id: I95cf6f4def0c86f40c775738f0712323f0a0f146
2014-09-04MTP: Better handling of statEthan Yonker3-26/+47
Do some error checking of lstat calls and better handle those errors. Use lstat instead of dirent to check if an item is a directory because dirent does not return the correct item type when using exfat-fuse. Change-Id: I0d008aff55a0e0b4fbeae24cf8d0c04453b7b77e
2014-09-04MTP Fix rename in WindowsDees Troy3-1/+8
Change-Id: Ieef2fc16aac1da3d03908cfb285895954b42a14a
2014-09-04MTP Fix property list for multiple storage devicesDees Troy1-1/+2
Change-Id: Ice23fef31439a6c88d0a12380688eccd8dc3a71c
2014-09-04Prevent MTP enable on startup if crash detectedEthan Yonker1-1/+1
Change-Id: Ie1388a8acadf714a29721dd90c7f9a8aa38a860d
2014-09-03Improve MtpStorage handling when more than one storage is presentEthan Yonker2-7/+11
Change-Id: I02f1984d02a85d9fd42450cc3772e88a43d9e9ff
2014-09-03Allow toggle of MTP debugEthan Yonker4-11/+19
Via command line in TWRP: twrp set tw_mtp_debug 1 This will enable debugging for MTP. You will need to disable and re-enable MTP in order to see the debug logging. Change-Id: Ia7bb0c584e10a4322b65ecf80a67ed7ee836b38e
2014-09-03Improve error handling during MTP startupEthan Yonker2-6/+9
Change-Id: I9395481dd8d9cbd3346fe6682557236b48b4d6cd
2014-09-03add mtp responder to TWRP.bigbiff bigbiff43-0/+9315
Big thanks to Dees_Troy for helping with the implementation. Change-Id: I6c9c522b9c9de5dc139e2ecb0141008182ba07f0
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