*** DEPRECATED *** SMB support is now built into Chrome OS since 71. See README for more info.

License: GNU General Public License v3.0

JavaScript 41.98% CSS 0.53% HTML 21.81% C++ 33.09% Makefile 0.66% Shell 1.93%

chromeos_network_file_share's Introduction

* THIS EXTENSION IS DEPRECATED. SINCE CHROME 71 THIS FUNCTIONALITY IS BUILT IN TO CHROME OS *

On Chrome 71 or higher you can:

Open the files app
Click the "three dot menu" in the top right
Choose "Add New Service"
Choose "SMB file share"

A dialog in settings will open (in 72 and later it's a standalone dialog). Enter your share information as before.

You can uninstall the chrome app as it will be deprecated in the near future.

If you have bugs with the new implementation you can open them at crbug.com under component "Platform>Apps>FileManager" with SMB in the title.

There will be no more work on this implementation.

Overview

This is a Chrome App that extends the built in File Manager to be able to support connecting to SMB file shares.

The NaCl port is currently patched from Samba 4.1.22.

Setup

Download the NaCl SDK and unzip it as directed. https://developer.chrome.com/native-client/sdk/download
Update the SDK and get the pepper_50 version.

cd nacl_sdk
./naclsdk update
./naclsdk update pepper_50
export NACL_SDK_ROOT=/path/to/nacl_sdk/pepper_50

Get depot_tools and gclient.

git clone https://chromium.googlesource.com/chromium/tools/depot_tools.git

Put depot_tools on the path (or put it in your .bashrc) https://www.chromium.org/developers/how-tos/install-depot-tools
Get WebPorts (aka NaCl Ports).

mkdir webports
cd webports
gclient config --name=src https://chromium.googlesource.com/webports.git
gclient sync

Install a missing dependency from the NaCl SDK.

sudo apt-get install libglib2.0-0:i386

Build Samba.

cd webports/src
./make_all.sh samba F=1 V=1

Get the App code.

git clone https://github.com/GoogleChrome/chromeos_network_file_share

Install bower. https://syntaxsugar.github.io/posts/2014/05/how-to-install-bower-on-ubuntu-1404-lts/

*Note: If you are a Google employee, please follow sites/nodejs/installing-node for node installation

sudo apt-get install nodejs
sudo ln -s /usr/bin/nodejs /usr/bin/node
sudo apt-get install npm
sudo npm install -g bower

Get the bower dependencies.

cd chromeos_network_file_share/app
bower install

Install Vulcanize and Crisper.

sudo npm install -g vulcanize
sudo npm install -g crisper

Setup build environment

Set NACL_SDK_ROOT if not done above
Finally you can build!

cd chromeos_network_file_share
nacl/build.sh

Tests

We use Mocha and Chai as our test framework.

To download the testing dependencies:

npm install --only=dev

To run the tests:

npm test

Arm Nacl_IO Bug

There is currently a bug that causes a crash on ARM Release builds. Until the bug is fixed the workaround is to build libnacl_io.so with optimizations turned off. If you don't do this extra step prior to building the app the ARM build will crash.

Before building the app edit $NACL_SDK_ROOT/src/nacl_io/Makefile and add the following after the line 'CFLAGS += -DNACL_IO_LOGGING=0'

ifeq ($(NACL_ARCH), arm)
  CFLAGS += -O1
endif

// then rebuild nacl_io
cd $NACL_SDK_ROOT/src/nacl_io/
make V=1 CONFIG=Release TOOLCHAIN=glibc NACL_ARCH=arm

That will rebuild libnacl_io.so with optimization disabled. Then rebuild the app.

Nacl SDK

Update SDK (currently using pepper_canary).

./naclsdk update pepper_canary --force

Building The App/Extension

Setup environment

export NACL_SDK_ROOT=/path/to/your/nacl/sdk

Build

nacl/build.sh

Package

tools/to_temp.sh

Troubleshooting

In file included from nacl_fsp.cc:24:
./SambaFsp.h:20:10: fatal error: 'samba/libsmbclient.h' file not found
#include "samba/libsmbclient.h"

If you see this error follow the steps above for 'Setup environment'

chromeos_network_file_share's People

Contributors

Stargazers

Watchers

chromeos_network_file_share's Issues

Support only delivering the subset of file metadata in chrome 50+

Allowing streaming of readDirectory

The current JS->NaCl infrasctructure has a 1:1 request response model.

Need to implement something in the message router to allow 1:many to allow partial results to stream back to the files app.

This is important for navigating to very large directories.

Failing first read on large files with Software caused connection abort

This repro'd reliably on my home NAS from Pixel. 3 retries fail. Need to try and get wireshark dump.

"operations taking longer than expected"

I understand that this is a Chrome OS limit, but it takes few minutes to actually see files.
The samba server works fine with other devices. It has only ~150 files to show, so it's not a huge amount.

It doesn't show any helpful errors or notifications to troubleshoot the problem. Sometimes only restart helps.

It would be nice if after unmount the application would remember your entered details.

ARM Asus C201 Chromebook.

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Retrying... log.js:24 NACL ERROR: Error performing readDirectory:smbc_opendir: errno=110 errtxt=Connection timed out log.js:68 ERROR: rejecting message 14 SHOULD_RETRY log.js:68 WARNING: readDirectory[14] failed on attempt 1 of 3. Retrying... log.js:24 NACL ERROR: Error performing readDirectory:smbc_opendir: errno=110 errtxt=Connection timed out log.js:68 ERROR: rejecting message 13 SHOULD_RETRY log.js:68 WARNING: readDirectory[13] failed on attempt 2 of 3. Retrying... log.js:24 NACL ERROR: Error performing readDirectory:smbc_opendir: errno=110 errtxt=Connection timed out log.js:68 ERROR: rejecting message 14 SHOULD_RETRY log.js:68 WARNING: readDirectory[14] failed on attempt 2 of 3. Retrying... log.js:24 NACL ERROR: Error performing readDirectory:smbc_opendir: errno=110 errtxt=Connection timed out log.js:68 ERROR: rejecting message 13 SHOULD_RETRY log.js:68 ERROR: readDirectory[13] failed on attempt 3 of 3. Retrying... log.js:68 ERROR: readDirectory failed with FAILED plugin.html:1 Unchecked runtime.lastError while running fileSystemProviderInternal.operationRequestedError: NOT_FOUND at chrome-extension://ndjpildffkeodjdaeebdhnncfhopkajk/samba.js:643:13 log.js:24 NACL ERROR: Error performing readDirectory:smbc_opendir: errno=110 errtxt=Connection timed out log.js:68 ERROR: rejecting message 15 SHOULD_RETRY log.js:68 WARNING: readDirectory[15] failed on attempt 1 of 3. Retrying... log.js:24 NACL ERROR: Error performing readDirectory:smbc_opendir: errno=103 errtxt=Software caused connection abort log.js:68 ERROR: rejecting message 14 SHOULD_RETRY log.js:68 ERROR: readDirectory[14] failed on attempt 3 of 3. Retrying... log.js:68 ERROR: readDirectory failed with FAILED plugin.html:1 Unchecked runtime.lastError while running fileSystemProviderInternal.operationRequestedError: NOT_FOUND at chrome-extension://ndjpildffkeodjdaeebdhnncfhopkajk/samba.js:643:13 plugin.html:1 NativeClient: NaCl module crashed

Share could not be mounted

I tried to mount a file for my new job and we were unable to share the mount? It says "share could not be mounted"

We have the username and password correct, with case sensitivity. We also imputed the share bath as stated: "//00.0.00.000/Files" With the correct numbers.

Any help?

Cache netbios lookups

Reported that shares with 1 char name do not work

Investigate this. eg \server\x

Add flag to readDirectoryEntries as to whether to stat() or not

This will be needed once the API is updated in ChromeOS and will also help delete performance.

Configure samba app by policy

For the enterprise use case, admins need to configure the app with policies e.g. the default share location.

This is crucial for enterprise deployments as the only alternative is fanning out instructions to users via email and that is not a viable alternative in companies, especially large ones where these configurations might differ across deployments.

This is an enterprise feature which is described fully here

https://www.chromium.org/administrators/configuring-policy-for-extensions

support for end to end encryption

in my smb config I set:
smb encrypt = mandatory
server signing = mandatory

server signing works but end to end encryption won't work. Support for was added in Samaba 3.2 and above. Please update the version that supports encryption. Thank You.

Update polymer components to latest versions

Some components are not the latest versions.

"Not Compatible?"

I have the original 2011 Samsung Series 5 Chromebook. The webstore displays a red not compatible button. Google searches reveal some hints at 32 bit not being supported. Am I orphaned with this old machine?

Optimize the app package size

Right now I think possibly the bower_components folder that is inside the app is redundant. It gets vulcanized into mount_dialog.js/html so shouldn't be needed inside the package.

Opening large photos on SMB NAS ends many times in time out disconnect

Opening large photos on SMB NAS ends many times in time out disconnect. It takes about 30 seconds to open a 5MB photo. it is so slow.
No photo thumbnails preview.
network connection should be a feature at the files app. Not just an extension.
path mounting path/address should have the ability to be saved.

Try to restart a crash NaCl module

When a real chrome app has a NaCl crash on a Chromebook the only resolution is to do chrome://restart

See if the module crash can be caught and reloaded.

Image Preview/Gallery Not Loading Video Playback Unwatchable

I am using an Acer Chromebook 14 and my drive is a MyBook Network drive. I love that I can see the network files right in the file explorer on the Chromebook; however, the images previews do not load, and the gallery view never loads. Videos stop so much they are not watchable.

Improve sequential read of SMB file share app

Install SMB file share app.
Open a 5-10 MB file.

Downloading and opening the file takes more time than expected.

Add i18n support for SMB file share app

SMB file share has many strings which are currently hard coded in English.

We should use chrome.i18n to translate those strings to the language selected by the user.
Nov 12, 2015 Delete comment

Debug crash in large file copy

Copying a ~50MB from the share to local disk I got a crash on my ARM Asus Flip after about 30MB.

Within share copy is not supported

You can copy to or from a share but not within it. The version of Samba currently being used doesn't support server side copy. To implement now would be copying the file from the server to client and back again.

Preferable to upgrade Samba version but need to investigate whether this feature is only supported in some versions of SMB. Worst case the brute force method could be implemented.

See if the time limit for "Operation taking longer than expected" can be increased

This is a tracking bug but would actually be a change to ChromeOS files app. I need to follow up with Files team to see if a provider can either configure this value itself or if the app can use the file_system_provider_capabilities information in the manifest to make it longer for network providers.

No need to send back entries for . and .. from readDirectory

Folders but no files listed - and operations taking longer than expected

Hi,

On a Novell network share I can see folders listed but not the files. I regularly see the Some operations are taking longer than expected popup.

The share requires a username and password.

Mike

Show info dialog when app is launched on non-Chrome OS platforms

When app is launched on non-Chrome OS platforms, it currently tries to call API that doesn't exist and it just dies. Instead we should detect the platform and show an info dialog to users stating that this app is only support on Chrome OS.

100 MB glibc subdirectory -- could it be smaller?

I've been alarmed at how big Google Chrome has been becoming lately. With a fair number of extensions added, it's close to a gigabyte.

One of the contributors to this large size is this Network File Share for Chrome OS extension. It includes a 100+-megabyte directory called glibc that contains a libarm and a lib64 subdirectory, which presumably include support for both ARM and Intel architectures. Also, I see a lot of files (e.g.: *.o, *.dep, *.map) that seem to be files that don't normally need to be distributed to the end user.

It would be great if this extension could be made smaller. E.g., by omitting the un-needed *.o etc. files, deleting the un-needed libarm or li64 at install time, stripping debugging symbols, etc. The people who need these can I'm sure figure out how to get them.

Allow support for remembering share path and username

For cases where user does not want to save password there should be some UI to at least store the share name and possibly user name so the user does not have to retype it every time they reboot.

Review logging

Make a pass over all logging and remove redundant/spammy logs and categorize as appropriate

Rename User name to one word in dialog

There is not support for 32 bit chromebooks

I was under the impression there were none or very few of these but it seems some people can do this...

http://www.neverware.com/#introtext-3

There's still probably not that many out there but we can see.

Update Samba port to the latest version

Currently not using the latest version of the samba library. Should try to update.

Add WOl funktion upon start of an connection. So the server wil boot

Why not add an option to make the addon send an WOL/Magic packet to the server upon opening the files app. So the server can start. There is not everyone that has the server running all the time, because of the environment.

Errors when acessing RO files

I can't copy or access files that are marked Read Only.
Removing the RO flag and the files can be accessed immediately

Connected to a share on a Windows 7 PC.
The share required a username and password.
The share is RW. I can copy files from local storage to the SMB share.

Can browse some files, copy to local storage and open them using the picture viewer and music player.

Tried to copy other files that were read-only and get errors,

"Copy operation failed. The file could not be modified."

and from the console

NACL ERROR: Error performing openFile:smbc_open: errno=13 errtxt=Permission denied
log.js:68 ERROR: rejecting message 915 ACCESS_DENIED
log.js:68 ERROR: openFile rejected promise
log.js:24 NACL ERROR: Error performing openFile:smbc_open: errno=13 errtxt=Permission denied

When trying to copy the RO file from smb to local storage the file is created on local storage but has zero size and the above error message appears.

Also when I try to open RO image I get an error message "This file could not be displayed."

Trying to play a RO music file it appears to be opened by the music player, the name is displayed, but it does not play and eventually skips to the next file which also doesn't play (is also RO.).

Same problem occurs on a RW shared on a Fritz Box 3370 modem/router

Version 50.0.2661.103 (64-bit)
Platform 7978.74.0 (Official Build) stable-channel falco
Firmware Google_Falco.4389.92.0

Investigate large file support in Samba

Should retry NetBIOS scan

The resolution protocol can be unreliable. Occasionally it fails and simply retrying would fix it.

Should retry the scan since it's a fatal error otherwise.

Samba app should support Chromebooks with ARM

Due to some NaCl dependencies, the samba port does not fully support ARM based Chromebooks. We need to work with the NaCl team to ensure ARM users can use the app as well.

Does this plugin works by mount network filesystem? How can I access the mounted file through command line?

it works fine on my chromebook, great work!
But I have enabled development of my chromebook, can I access these shared file in command line?
I am using crouton, I also want to access these shared file in crouton, is it possible?

Add a properties page to share

Allow user to view (maybe in future edit) information about a share. To start with:

Share path
User name
Whether share is persistent

Possibly in future can support eg. opened files, etc.

Using https://developer.chrome.com/apps/fileSystemProvider#event-onConfigureRequested

NativeClient: NaCl module crashed

Whilst accessing a file from an SMB share on a Fritz Box a pop-up appeared saying:

"An operation is taking longer than expected. Do you want to abort it?"

Checking the log it looks like the NaCL module crashed.

The current operation was simply playing a file through the music player.

Is there a way to get more debug or other diagnostics?

The access denied message in the log was probably related to trying to open and use RO files.

NACL ERROR: Error performing openFile:smbc_open: errno=13 errtxt=Permission denied
log.js:68 ERROR: rejecting message 1716 ACCESS_DENIED
log.js:68 ERROR: openFile rejected promise
log.js:24 NACL ERROR: Error performing readFile:smbc_read: errno=103 errtxt=Software caused connection abort
log.js:68 ERROR: rejecting message 1762 SHOULD_RETRY
log.js:68 WARNING: readFile[1762] failed on attempt 1 of 3. Retrying...
log.js:24 NACL ERROR: Error performing readFile:smbc_read: errno=103 errtxt=Software caused connection abort
log.js:68 ERROR: rejecting message 1762 SHOULD_RETRY
log.js:68 WARNING: readFile[1762] failed on attempt 2 of 3. Retrying...
log.js:24 NACL ERROR: Error performing readFile:smbc_read: errno=103 errtxt=Software caused connection abort
log.js:68 ERROR: rejecting message 1762 SHOULD_RETRY
log.js:68 ERROR: readFile[1762] failed on attempt 3 of 3. Retrying...
log.js:68 ERROR: readFile failed with FAILED
log.js:24 NACL ERROR: closeFile:smbc_close: Error closing fd
extensions::lastError:133 Unchecked runtime.lastError while running fileSystemProviderInternal.operationRequestedSuccess: NOT_FOUND
at . (chrome-extension://ndjpildffkeodjdaeebdhnncfhopkajk/samba.js:350:17)reportIfUnchecked @ extensions::lastError:133handleResponse @ extensions::sendRequest:78
log.js:24 NACL ERROR: Error performing readFile:smbc_read: errno=103 errtxt=Software caused connection abort
log.js:68 ERROR: rejecting message 1806 SHOULD_RETRY
log.js:68 WARNING: readFile[1806] failed on attempt 1 of 3. Retrying...
log.js:24 NACL ERROR: Error performing readFile:smbc_read: errno=103 errtxt=Software caused connection abort
log.js:68 ERROR: rejecting message 1806 SHOULD_RETRY
log.js:68 WARNING: readFile[1806] failed on attempt 2 of 3. Retrying...
log.js:24 NACL ERROR: Error performing readFile:smbc_read: errno=103 errtxt=Software caused connection abort
log.js:68 ERROR: rejecting message 1806 SHOULD_RETRY
log.js:68 ERROR: readFile[1806] failed on attempt 3 of 3. Retrying...
log.js:68 ERROR: readFile failed with FAILED
log.js:24 NACL ERROR: closeFile:smbc_close: Error closing fd
plugin.html:1 NativeClient: NaCl module crashed

Possibility to save servers

Does this project accept pull requests?

The app should have basic ability to save mounted servers instead of typing each time everything by hand.

Allow streaming of readFile

Once the example of streaming readDirectory is completed do the same thing with read file.

Support a form of network browsing

This could be just adding something like a default 'Network Neighborhood' share that has eg. servers at the top level etc. Or it could be putting a browse button on the mount dialog that gives you share choices.

Perhaps the latter is better for now at least until other perf issues with large highly nested shares are fixed.

JIT authentication

Allow having mounts without credentials (possibly configured by policy).

When the user navigates to a folder and it fails with permission denied, prompt the user for credentials and mount on demand.

A further extension to this is to allow this work on non-root folders. For example it is not that uncommon to have a share structure like below where the child nodes have different permission to the siblings and/or parents.

Users

User1
User2

Stores

Location1
Location2

Wrong filename appearing in music player

When accessing files via the Network File Share on two occasions I have had the wrong file name appearing in the music player. This is a low impact issue.

I'm using two sources of SMB shares, a Win 7 PC and a Fritz Box modem / router. I will pay more attention which one I'm using when it happens.

On the second occasion I was using the Fritz Box as the SMB server.

This issue is intermittent or I haven't noticed the pattern to reproduce it yet.

I have selected a file to be played by the standard Chrome OS music player and the filename shown has been that of the first file in a previously viewed directory, instead of the file selected to be played.

Investigate error when mounting at a server root

Investigate the error when a user mounts a path like smb://myserver. Currently this won't work because that path identifies a server not a share. Implementing #10 would allow navigating the other non file share nodes as virtual directories.

This ticket tracks making sure that the error message in this case tells the user they need to mount at the share root ie. smb://myserver/myshare . It seems possible right now this fails with permission denied which is misleading.

Opening a directory with ~5000 items crashed

Was from my ARM Acer Chromebook 13.

Fix performance issues with Samba file system app

Issue 1 - Files.app downloads the contents of all image files the first time it sees them attempting to generate a thumbnail. This gives very pathological behaviour for network providers especially in shares heavy with large images.

** Tomasz is looking at stopping this for NETWORK fsps but that will take multiple releases to make it to stable channel.

** Investigating workaround to give broken or hardcoded data uri to prevent it

** Implemented returning a broken data uri which prevents the files app downloading every image in a folder. Once Tomasz implements a fix this can be undone and we can still allow thumbs from EXIF data which is far more lightweight.

** Implication is that images will not have thumbnails on shared drives (that’s what linux does anyway).

** Possible other future fixes;
** Have the provider generate thumbs from the content the first time the content is downloaded for real.
** In some cases could try to parse the windows thumbs.db file (unknown how successful or reliable that might be - but that’s how windows does it)
** (Likely not practical for most users) - Get thumbs generated on the server side.

** Implemented a short term cache to handle this. It prevents ⅔’s of the network round trips. There’s a still an underlying issue in the system that makes this less efficient than it could be.

Issue 2 - The File.app reads the metadata for each file upon navigation a minimum 2 times and any file that becomes visible in the list a thrid time. For network providers this means 3n network roundtrips which becomes pathological with hundreds or thousands of files.

** In process of implementing a metadata cache in the provider. This will reduce the lookup to one NaCl roundtrip and n network roundtrips. Maybe other potential improvements in future.

view thumbnails

Hello,

I am using this extension to access on a smb share path over my network.

It work wells but is there a way to have thumbnails on images ?

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