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*** 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

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

  2. 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
  1. Get depot_tools and gclient.
git clone https://chromium.googlesource.com/chromium/tools/depot_tools.git

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

  2. Get WebPorts (aka NaCl Ports).

mkdir webports
cd webports
gclient config --name=src https://chromium.googlesource.com/webports.git
gclient sync
  1. Install a missing dependency from the NaCl SDK.
sudo apt-get install libglib2.0-0:i386
  1. Build Samba.
cd webports/src
./make_all.sh samba F=1 V=1
  1. Get the App code.
git clone https://github.com/GoogleChrome/chromeos_network_file_share
  1. 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
  1. Get the bower dependencies.
cd chromeos_network_file_share/app
bower install
  1. Install Vulcanize and Crisper.
sudo npm install -g vulcanize
sudo npm install -g crisper

  1. Setup build environment

    Set NACL_SDK_ROOT if not done above

  2. 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'