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...

8 Commits

Author SHA1 Message Date
7c118225b2 Update apimachinery
Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>
2022-10-03 16:46:59 +01:00
95792f8d58 Update dependencies
* Updates netlink/netns
* Updates x/sys, arkade and apimachinery

Build passes, minor updates.

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>
2022-10-03 16:43:35 +01:00
60b724f014 Update gateway version
Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>
2022-10-03 16:40:17 +01:00
e0db59d8a1 Update README.md
Signed-off-by: Alex Ellis <alexellis2@gmail.com>
2022-08-18 16:20:22 +01:00
13304fa0b2 Fix for user issue with Caddy
Caddy cannot be installed to /usr/local/bin due to the
service file expecting it to be in /usr/bin

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>
2022-08-18 16:13:54 +01:00
a65b989b15 Fix install script
Remove v prefix from CONTAINERD_VER variable.

Signed-off-by: Han Verstraete <han@openfaas.com>
2022-08-18 12:43:43 +01:00
6b6ff71c29 Update to containerd 1.6.8
Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>
2022-08-18 12:15:33 +01:00
bb5b212663 Fix installation script for containerd on armhf
Fixes #295

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>
2022-08-18 11:19:13 +01:00
519 changed files with 30933 additions and 21590 deletions

View File

@ -1,7 +1,7 @@
Version := $(shell git describe --tags --dirty)
GitCommit := $(shell git rev-parse HEAD)
LDFLAGS := "-s -w -X main.Version=$(Version) -X main.GitCommit=$(GitCommit)"
CONTAINERD_VER := 1.6.4
CONTAINERD_VER := 1.6.8
CNI_VERSION := v0.9.1
ARCH := amd64
@ -33,7 +33,7 @@ hashgen:
.PHONY: prepare-test
prepare-test:
curl -sLSf https://github.com/containerd/containerd/releases/download/v$(CONTAINERD_VER)/containerd-$(CONTAINERD_VER)-linux-amd64.tar.gz > /tmp/containerd.tar.gz && sudo tar -xvf /tmp/containerd.tar.gz -C /usr/local/bin/ --strip-components=1
curl -SLfs https://raw.githubusercontent.com/containerd/containerd/v1.6.4/containerd.service | sudo tee /etc/systemd/system/containerd.service
curl -SLfs https://raw.githubusercontent.com/containerd/containerd/v1.6.8/containerd.service | sudo tee /etc/systemd/system/containerd.service
sudo systemctl daemon-reload && sudo systemctl start containerd
sudo /sbin/sysctl -w net.ipv4.conf.all.forwarding=1
sudo mkdir -p /opt/cni/bin

View File

@ -159,7 +159,7 @@ Commercial users and solo business owners should become OpenFaaS GitHub Sponsors
If you are learning faasd, or want to share your use-case, you can join the OpenFaaS Slack community.
* [Become an OpenFaaS GitHub Sponsor](https://github.com/sponsors/openfaas/)
* [Join Slack](https://slack.openfaas.io/)
* [Join the weekly Office Hours call](https://docs.openfaas.com/community/)
### Backlog, features and known issues

View File

@ -1,7 +1,7 @@
version: "3.7"
services:
basic-auth-plugin:
image: ghcr.io/openfaas/basic-auth:0.21.4
image: ghcr.io/openfaas/basic-auth:0.25.2
environment:
- port=8080
- secret_mount_path=/run/secrets
@ -19,7 +19,7 @@ services:
- CAP_NET_RAW
nats:
image: docker.io/library/nats-streaming:0.22.0
image: docker.io/library/nats-streaming:0.24.6
# nobody
user: "65534"
command:
@ -38,7 +38,7 @@ services:
# - "127.0.0.1:8222:8222"
prometheus:
image: docker.io/prom/prometheus:v2.14.0
image: docker.io/prom/prometheus:v2.38.0
# nobody
user: "65534"
volumes:
@ -56,7 +56,7 @@ services:
- "127.0.0.1:9090:9090"
gateway:
image: ghcr.io/openfaas/gateway:0.22.0
image: ghcr.io/openfaas/gateway:0.25.2
environment:
- basic_auth=true
- functions_provider_url=http://faasd-provider:8081/
@ -89,7 +89,7 @@ services:
- "8080:8080"
queue-worker:
image: ghcr.io/openfaas/queue-worker:0.12.2
image: ghcr.io/openfaas/queue-worker:0.13.1
environment:
- faas_nats_address=nats
- faas_nats_port=4222

View File

@ -88,7 +88,7 @@ You have three options - binaries for PC, binaries for armhf, or build from sour
* Install containerd `x86_64` only
```bash
export VER=1.6.4
export VER=1.6.8
curl -sSL https://github.com/containerd/containerd/releases/download/v$VER/containerd-$VER-linux-amd64.tar.gz > /tmp/containerd.tar.gz \
&& sudo tar -xvf /tmp/containerd.tar.gz -C /usr/local/bin/ --strip-components=1
@ -100,7 +100,7 @@ containerd -version
Building `containerd` on armhf is extremely slow, so I've provided binaries for you.
```bash
curl -sSL https://github.com/alexellis/containerd-armhf/releases/download/v1.6.4/containerd.tgz | sudo tar -xvz --strip-components=2 -C /usr/local/bin/
curl -sSL https://github.com/alexellis/containerd-armhf/releases/download/v1.6.8/containerd.tgz | sudo tar -xvz --strip-components=2 -C /usr/local/bin/
```
* Or clone / build / install [containerd](https://github.com/containerd/containerd) from source:
@ -112,7 +112,7 @@ containerd -version
git clone https://github.com/containerd/containerd
cd containerd
git fetch origin --tags
git checkout v1.6.4
git checkout v1.6.8
make
sudo make install
@ -123,7 +123,7 @@ containerd -version
#### Ensure containerd is running
```bash
curl -sLS https://raw.githubusercontent.com/containerd/containerd/v1.6.4/containerd.service > /tmp/containerd.service
curl -sLS https://raw.githubusercontent.com/containerd/containerd/v1.6.8/containerd.service > /tmp/containerd.service
# Extend the timeouts for low-performance VMs
echo "[Manager]" | tee -a /tmp/containerd.service

View File

@ -6,8 +6,8 @@ packages:
- git
runcmd:
- curl -sLSf https://github.com/containerd/containerd/releases/download/v1.6.4/containerd-1.6.4-linux-amd64.tar.gz > /tmp/containerd.tar.gz && tar -xvf /tmp/containerd.tar.gz -C /usr/local/bin/ --strip-components=1
- curl -SLfs https://raw.githubusercontent.com/containerd/containerd/v1.6.4/containerd.service | tee /etc/systemd/system/containerd.service
- curl -sLSf https://github.com/containerd/containerd/releases/download/v1.6.8/containerd-1.6.8-linux-amd64.tar.gz > /tmp/containerd.tar.gz && tar -xvf /tmp/containerd.tar.gz -C /usr/local/bin/ --strip-components=1
- curl -SLfs https://raw.githubusercontent.com/containerd/containerd/v1.6.8/containerd.service | tee /etc/systemd/system/containerd.service
- systemctl daemon-reload && systemctl start containerd
- /sbin/sysctl -w net.ipv4.conf.all.forwarding=1
- mkdir -p /opt/cni/bin

46
go.mod
View File

@ -3,34 +3,34 @@ module github.com/openfaas/faasd
go 1.18
require (
github.com/alexellis/arkade v0.0.0-20220922114024-7b7ade38cff9
github.com/alexellis/go-execute v0.5.0
github.com/alexellis/k3sup v0.0.0-20220105194923-e2bb18116d36
github.com/compose-spec/compose-go v0.0.0-20200528042322-36d8ce368e05
github.com/containerd/containerd v1.6.6
github.com/containerd/go-cni v1.1.6
github.com/containerd/go-cni v1.1.7
github.com/coreos/go-systemd v0.0.0-20191104093116-d3cd4ed1dbcf
github.com/docker/cli v0.0.0-20191105005515-99c5edceb48d
github.com/docker/cli v20.10.17+incompatible
github.com/docker/distribution v2.8.1+incompatible
github.com/docker/docker v17.12.0-ce-rc1.0.20191113042239-ea84732a7725+incompatible // indirect
github.com/docker/go-units v0.4.0
github.com/docker/docker v20.10.17+incompatible // indirect
github.com/docker/go-units v0.5.0
github.com/gorilla/mux v1.8.0
github.com/morikuni/aec v1.0.0
github.com/opencontainers/runtime-spec v1.0.3-0.20210326190908-1c3f411f0417
github.com/openfaas/faas-provider v0.19.1
github.com/openfaas/faas/gateway v0.0.0-20220509091830-4e868f5f9d81
github.com/openfaas/faas/gateway v0.0.0-20220929193640-1a00a55c7703
github.com/pkg/errors v0.9.1
github.com/sethvargo/go-password v0.2.0
github.com/spf13/cobra v1.4.0
github.com/spf13/cobra v1.5.0
github.com/spf13/pflag v1.0.5
github.com/vishvananda/netlink v1.1.1-0.20210330154013-f5de75959ad5
github.com/vishvananda/netns v0.0.0-20210104183010-2eb08e3e575f
golang.org/x/sys v0.0.0-20220702020025-31831981b65f
k8s.io/apimachinery v0.24.0
github.com/vishvananda/netns v0.0.0-20220913150850-18c4f4234207
golang.org/x/sys v0.0.0-20220928140112-f11e5e49a4ec
k8s.io/apimachinery v0.25.2
)
require (
github.com/Microsoft/go-winio v0.5.1 // indirect
github.com/Microsoft/hcsshim v0.9.3 // indirect
github.com/Microsoft/hcsshim v0.9.4 // indirect
github.com/beorn7/perks v1.0.1 // indirect
github.com/cespare/xxhash/v2 v2.1.2 // indirect
github.com/containerd/cgroups v1.0.3 // indirect
@ -39,42 +39,42 @@ require (
github.com/containerd/ttrpc v1.1.0 // indirect
github.com/containerd/typeurl v1.0.2 // indirect
github.com/containernetworking/cni v1.1.1 // indirect
github.com/docker/docker-credential-helpers v0.6.3 // indirect
github.com/docker/docker-credential-helpers v0.6.4 // indirect
github.com/docker/go-connections v0.4.0 // indirect
github.com/docker/go-events v0.0.0-20190806004212-e31b211e4f1c // indirect
github.com/gogo/googleapis v1.4.0 // indirect
github.com/gogo/protobuf v1.3.2 // indirect
github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
github.com/golang/protobuf v1.5.2 // indirect
github.com/google/uuid v1.2.0 // indirect
github.com/google/uuid v1.3.0 // indirect
github.com/imdario/mergo v0.3.12 // indirect
github.com/inconshreveable/mousetrap v1.0.0 // indirect
github.com/klauspost/compress v1.11.13 // indirect
github.com/klauspost/compress v1.15.8 // indirect
github.com/mattn/go-shellwords v1.0.10 // indirect
github.com/matttproud/golang_protobuf_extensions v1.0.2-0.20181231171920-c182affec369 // indirect
github.com/mitchellh/mapstructure v1.4.1 // indirect
github.com/mitchellh/mapstructure v1.4.2 // indirect
github.com/moby/locker v1.0.1 // indirect
github.com/moby/sys/mountinfo v0.5.0 // indirect
github.com/moby/sys/signal v0.6.0 // indirect
github.com/opencontainers/go-digest v1.0.0 // indirect
github.com/opencontainers/image-spec v1.0.3-0.20211202183452-c5a74bcca799 // indirect
github.com/opencontainers/image-spec v1.0.3-0.20220114050600-8b9d41f48198 // indirect
github.com/opencontainers/runc v1.1.2 // indirect
github.com/opencontainers/selinux v1.10.1 // indirect
github.com/prometheus/client_golang v1.12.2 // indirect
github.com/prometheus/client_golang v1.13.0 // indirect
github.com/prometheus/client_model v0.2.0 // indirect
github.com/prometheus/common v0.35.0 // indirect
github.com/prometheus/procfs v0.7.3 // indirect
github.com/sirupsen/logrus v1.8.1 // indirect
github.com/prometheus/common v0.37.0 // indirect
github.com/prometheus/procfs v0.8.0 // indirect
github.com/sirupsen/logrus v1.9.0 // indirect
github.com/xeipuuv/gojsonpointer v0.0.0-20190905194746-02993c407bfb // indirect
github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415 // indirect
github.com/xeipuuv/gojsonschema v1.2.0 // indirect
go.opencensus.io v0.23.0 // indirect
golang.org/x/net v0.0.0-20220225172249-27dd8689420f // indirect
golang.org/x/sync v0.0.0-20210220032951-036812b2e83c // indirect
golang.org/x/net v0.0.0-20220722155237-a158d28d115b // indirect
golang.org/x/sync v0.0.0-20220819030929-7fc1605a5dde // indirect
golang.org/x/text v0.3.7 // indirect
google.golang.org/genproto v0.0.0-20211208223120-3a66f561d7aa // indirect
google.golang.org/grpc v1.43.0 // indirect
google.golang.org/protobuf v1.28.0 // indirect
google.golang.org/protobuf v1.28.1 // indirect
gopkg.in/inf.v0 v0.9.1 // indirect
gopkg.in/yaml.v2 v2.4.0 // indirect
)

658
go.sum

File diff suppressed because it is too large Load Diff

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@ -29,7 +29,7 @@ git clone https://github.com/containerd/containerd
cd containerd
git fetch origin --tags
git checkout v1.6.4
git checkout v1.6.8
make
sudo make install

View File

@ -29,7 +29,7 @@ git clone https://github.com/containerd/containerd
cd containerd
git fetch origin --tags
git checkout v1.6.4
git checkout v1.6.8
make
sudo make install

View File

@ -30,7 +30,7 @@ git clone https://github.com/containerd/containerd
cd containerd
git fetch origin --tags
git checkout v1.6.4
git checkout v1.6.8
make
sudo make install

View File

@ -84,9 +84,20 @@ install_cni_plugins() {
}
install_containerd() {
CONTAINERD_VER=v1.6.4
CONTAINERD_VER=1.6.8
$SUDO systemctl unmask containerd || :
$SUDO $ARKADE system install containerd --systemd --version ${CONTAINERD_VER} --progress=false
arch=$(uname -m)
if [ $arch == "armv7l" ]; then
$SUDO curl -fSLs "https://github.com/alexellis/containerd-arm/releases/download/v${CONTAINERD_VER}/containerd-${CONTAINERD_VER}-linux-armhf.tar.gz" --output "/tmp/containerd.tar.gz"
$SUDO tar -xvf /tmp/containerd.tar.gz -C /usr/local/bin/
$SUDO curl -fSLs https://raw.githubusercontent.com/containerd/containerd/v${CONTAINERD_VER}/containerd.service --output "/etc/systemd/system/containerd.service"
$SUDO systemctl enable containerd
$SUDO systemctl start containerd
else
$SUDO $ARKADE system install containerd --systemd --version v${CONTAINERD_VER} --progress=false
fi
sleep 5
}
@ -125,7 +136,9 @@ install_caddy() {
if [ ! -z "${FAASD_DOMAIN}" ]; then
CADDY_VER=v2.4.3
arkade get --progress=false caddy -v ${CADDY_VER}
$SUDO install -m 755 $HOME/.arkade/bin/caddy /usr/local/bin/
# /usr/bin/caddy is specified in the upstream service file.
$SUDO install -m 755 $HOME/.arkade/bin/caddy /usr/bin/caddy
$SUDO curl -fSLs https://raw.githubusercontent.com/caddyserver/dist/master/init/caddy.service --output /etc/systemd/system/caddy.service

View File

@ -11,7 +11,7 @@ import (
"strconv"
"strings"
"github.com/alexellis/k3sup/pkg/env"
"github.com/alexellis/arkade/pkg/env"
"github.com/compose-spec/compose-go/loader"
compose "github.com/compose-spec/compose-go/types"
"github.com/containerd/containerd"

View File

@ -57,7 +57,7 @@ func pollIOCP(ctx context.Context, iocpHandle windows.Handle) {
}).Warn("failed to parse job object message")
continue
}
if err := msq.Write(notification); err == queue.ErrQueueClosed {
if err := msq.Enqueue(notification); err == queue.ErrQueueClosed {
// Write will only return an error when the queue is closed.
// The only time a queue would ever be closed is when we call `Close` on
// the job it belongs to which also removes it from the jobMap, so something

View File

@ -68,6 +68,9 @@ type Options struct {
// `UseNTVariant` specifies if we should use the `Nt` variant of Open/CreateJobObject.
// Defaults to false.
UseNTVariant bool
// `IOTracking` enables tracking I/O statistics on the job object. More specifically this
// calls SetInformationJobObject with the JobObjectIoAttribution class.
EnableIOTracking bool
}
// Create creates a job object.
@ -134,6 +137,12 @@ func Create(ctx context.Context, options *Options) (_ *JobObject, err error) {
job.mq = mq
}
if options.EnableIOTracking {
if err := enableIOTracking(jobHandle); err != nil {
return nil, err
}
}
return job, nil
}
@ -235,7 +244,7 @@ func (job *JobObject) PollNotification() (interface{}, error) {
if job.mq == nil {
return nil, ErrNotRegistered
}
return job.mq.ReadOrWait()
return job.mq.Dequeue()
}
// UpdateProcThreadAttribute updates the passed in ProcThreadAttributeList to contain what is necessary to
@ -330,7 +339,7 @@ func (job *JobObject) Pids() ([]uint32, error) {
err := winapi.QueryInformationJobObject(
job.handle,
winapi.JobObjectBasicProcessIdList,
uintptr(unsafe.Pointer(&info)),
unsafe.Pointer(&info),
uint32(unsafe.Sizeof(info)),
nil,
)
@ -356,7 +365,7 @@ func (job *JobObject) Pids() ([]uint32, error) {
if err = winapi.QueryInformationJobObject(
job.handle,
winapi.JobObjectBasicProcessIdList,
uintptr(unsafe.Pointer(&buf[0])),
unsafe.Pointer(&buf[0]),
uint32(len(buf)),
nil,
); err != nil {
@ -384,7 +393,7 @@ func (job *JobObject) QueryMemoryStats() (*winapi.JOBOBJECT_MEMORY_USAGE_INFORMA
if err := winapi.QueryInformationJobObject(
job.handle,
winapi.JobObjectMemoryUsageInformation,
uintptr(unsafe.Pointer(&info)),
unsafe.Pointer(&info),
uint32(unsafe.Sizeof(info)),
nil,
); err != nil {
@ -406,7 +415,7 @@ func (job *JobObject) QueryProcessorStats() (*winapi.JOBOBJECT_BASIC_ACCOUNTING_
if err := winapi.QueryInformationJobObject(
job.handle,
winapi.JobObjectBasicAccountingInformation,
uintptr(unsafe.Pointer(&info)),
unsafe.Pointer(&info),
uint32(unsafe.Sizeof(info)),
nil,
); err != nil {
@ -415,7 +424,9 @@ func (job *JobObject) QueryProcessorStats() (*winapi.JOBOBJECT_BASIC_ACCOUNTING_
return &info, nil
}
// QueryStorageStats gets the storage (I/O) stats for the job object.
// QueryStorageStats gets the storage (I/O) stats for the job object. This call will error
// if either `EnableIOTracking` wasn't set to true on creation of the job, or SetIOTracking()
// hasn't been called since creation of the job.
func (job *JobObject) QueryStorageStats() (*winapi.JOBOBJECT_IO_ATTRIBUTION_INFORMATION, error) {
job.handleLock.RLock()
defer job.handleLock.RUnlock()
@ -430,7 +441,7 @@ func (job *JobObject) QueryStorageStats() (*winapi.JOBOBJECT_IO_ATTRIBUTION_INFO
if err := winapi.QueryInformationJobObject(
job.handle,
winapi.JobObjectIoAttribution,
uintptr(unsafe.Pointer(&info)),
unsafe.Pointer(&info),
uint32(unsafe.Sizeof(info)),
nil,
); err != nil {
@ -476,7 +487,7 @@ func (job *JobObject) QueryPrivateWorkingSet() (uint64, error) {
status := winapi.NtQueryInformationProcess(
h,
winapi.ProcessVmCounters,
uintptr(unsafe.Pointer(&vmCounters)),
unsafe.Pointer(&vmCounters),
uint32(unsafe.Sizeof(vmCounters)),
nil,
)
@ -497,3 +508,31 @@ func (job *JobObject) QueryPrivateWorkingSet() (uint64, error) {
return jobWorkingSetSize, nil
}
// SetIOTracking enables IO tracking for processes in the job object.
// This enables use of the QueryStorageStats method.
func (job *JobObject) SetIOTracking() error {
job.handleLock.RLock()
defer job.handleLock.RUnlock()
if job.handle == 0 {
return ErrAlreadyClosed
}
return enableIOTracking(job.handle)
}
func enableIOTracking(job windows.Handle) error {
info := winapi.JOBOBJECT_IO_ATTRIBUTION_INFORMATION{
ControlFlags: winapi.JOBOBJECT_IO_ATTRIBUTION_CONTROL_ENABLE,
}
if _, err := windows.SetInformationJobObject(
job,
winapi.JobObjectIoAttribution,
uintptr(unsafe.Pointer(&info)),
uint32(unsafe.Sizeof(info)),
); err != nil {
return fmt.Errorf("failed to enable IO tracking on job object: %w", err)
}
return nil
}

View File

@ -202,7 +202,7 @@ func (job *JobObject) getExtendedInformation() (*windows.JOBOBJECT_EXTENDED_LIMI
if err := winapi.QueryInformationJobObject(
job.handle,
windows.JobObjectExtendedLimitInformation,
uintptr(unsafe.Pointer(&info)),
unsafe.Pointer(&info),
uint32(unsafe.Sizeof(info)),
nil,
); err != nil {
@ -224,7 +224,7 @@ func (job *JobObject) getCPURateControlInformation() (*winapi.JOBOBJECT_CPU_RATE
if err := winapi.QueryInformationJobObject(
job.handle,
windows.JobObjectCpuRateControlInformation,
uintptr(unsafe.Pointer(&info)),
unsafe.Pointer(&info),
uint32(unsafe.Sizeof(info)),
nil,
); err != nil {

View File

@ -5,10 +5,7 @@ import (
"sync"
)
var (
ErrQueueClosed = errors.New("the queue is closed for reading and writing")
ErrQueueEmpty = errors.New("the queue is empty")
)
var ErrQueueClosed = errors.New("the queue is closed for reading and writing")
// MessageQueue represents a threadsafe message queue to be used to retrieve or
// write messages to.
@ -29,8 +26,8 @@ func NewMessageQueue() *MessageQueue {
}
}
// Write writes `msg` to the queue.
func (mq *MessageQueue) Write(msg interface{}) error {
// Enqueue writes `msg` to the queue.
func (mq *MessageQueue) Enqueue(msg interface{}) error {
mq.m.Lock()
defer mq.m.Unlock()
@ -43,55 +40,37 @@ func (mq *MessageQueue) Write(msg interface{}) error {
return nil
}
// Read will read a value from the queue if available, otherwise return an error.
func (mq *MessageQueue) Read() (interface{}, error) {
// Dequeue will read a value from the queue and remove it. If the queue
// is empty, this will block until the queue is closed or a value gets enqueued.
func (mq *MessageQueue) Dequeue() (interface{}, error) {
mq.m.Lock()
defer mq.m.Unlock()
for !mq.closed && mq.size() == 0 {
mq.c.Wait()
}
// We got woken up, check if it's because the queue got closed.
if mq.closed {
return nil, ErrQueueClosed
}
if mq.isEmpty() {
return nil, ErrQueueEmpty
}
val := mq.messages[0]
mq.messages[0] = nil
mq.messages = mq.messages[1:]
return val, nil
}
// ReadOrWait will read a value from the queue if available, else it will wait for a
// value to become available. This will block forever if nothing gets written or until
// the queue gets closed.
func (mq *MessageQueue) ReadOrWait() (interface{}, error) {
mq.m.Lock()
if mq.closed {
mq.m.Unlock()
return nil, ErrQueueClosed
}
if mq.isEmpty() {
for !mq.closed && mq.isEmpty() {
mq.c.Wait()
}
mq.m.Unlock()
return mq.Read()
}
val := mq.messages[0]
mq.messages[0] = nil
mq.messages = mq.messages[1:]
mq.m.Unlock()
return val, nil
}
// IsEmpty returns if the queue is empty
func (mq *MessageQueue) IsEmpty() bool {
// Size returns the size of the queue.
func (mq *MessageQueue) Size() int {
mq.m.RLock()
defer mq.m.RUnlock()
return len(mq.messages) == 0
return mq.size()
}
// Nonexported empty check that doesn't lock so we can call this in Read and Write.
func (mq *MessageQueue) isEmpty() bool {
return len(mq.messages) == 0
// Nonexported size check to check if the queue is empty inside already locked functions.
func (mq *MessageQueue) size() int {
return len(mq.messages)
}
// Close closes the queue for future writes or reads. Any attempts to read or write from the
@ -99,13 +78,15 @@ func (mq *MessageQueue) isEmpty() bool {
func (mq *MessageQueue) Close() {
mq.m.Lock()
defer mq.m.Unlock()
// Already closed
// Already closed, noop
if mq.closed {
return
}
mq.messages = nil
mq.closed = true
// If there's anybody currently waiting on a value from ReadOrWait, we need to
// If there's anybody currently waiting on a value from Dequeue, we need to
// broadcast so the read(s) can return ErrQueueClosed.
mq.c.Broadcast()
}

View File

@ -175,7 +175,7 @@ type JOBOBJECT_ASSOCIATE_COMPLETION_PORT struct {
// LPDWORD lpReturnLength
// );
//
//sys QueryInformationJobObject(jobHandle windows.Handle, infoClass uint32, jobObjectInfo uintptr, jobObjectInformationLength uint32, lpReturnLength *uint32) (err error) = kernel32.QueryInformationJobObject
//sys QueryInformationJobObject(jobHandle windows.Handle, infoClass uint32, jobObjectInfo unsafe.Pointer, jobObjectInformationLength uint32, lpReturnLength *uint32) (err error) = kernel32.QueryInformationJobObject
// HANDLE OpenJobObjectW(
// DWORD dwDesiredAccess,

View File

@ -18,7 +18,7 @@ const ProcessVmCounters = 3
// [out, optional] PULONG ReturnLength
// );
//
//sys NtQueryInformationProcess(processHandle windows.Handle, processInfoClass uint32, processInfo uintptr, processInfoLength uint32, returnLength *uint32) (status uint32) = ntdll.NtQueryInformationProcess
//sys NtQueryInformationProcess(processHandle windows.Handle, processInfoClass uint32, processInfo unsafe.Pointer, processInfoLength uint32, returnLength *uint32) (status uint32) = ntdll.NtQueryInformationProcess
// typedef struct _VM_COUNTERS_EX
// {

View File

@ -12,7 +12,8 @@ const STATUS_INFO_LENGTH_MISMATCH = 0xC0000004
// ULONG SystemInformationLength,
// PULONG ReturnLength
// );
//sys NtQuerySystemInformation(systemInfoClass int, systemInformation uintptr, systemInfoLength uint32, returnLength *uint32) (status uint32) = ntdll.NtQuerySystemInformation
//
//sys NtQuerySystemInformation(systemInfoClass int, systemInformation unsafe.Pointer, systemInfoLength uint32, returnLength *uint32) (status uint32) = ntdll.NtQuerySystemInformation
type SYSTEM_PROCESS_INFORMATION struct {
NextEntryOffset uint32 // ULONG

View File

@ -100,7 +100,7 @@ func resizePseudoConsole(hPc windows.Handle, size uint32) (hr error) {
return
}
func NtQuerySystemInformation(systemInfoClass int, systemInformation uintptr, systemInfoLength uint32, returnLength *uint32) (status uint32) {
func NtQuerySystemInformation(systemInfoClass int, systemInformation unsafe.Pointer, systemInfoLength uint32, returnLength *uint32) (status uint32) {
r0, _, _ := syscall.Syscall6(procNtQuerySystemInformation.Addr(), 4, uintptr(systemInfoClass), uintptr(systemInformation), uintptr(systemInfoLength), uintptr(unsafe.Pointer(returnLength)), 0, 0)
status = uint32(r0)
return
@ -152,7 +152,7 @@ func IsProcessInJob(procHandle windows.Handle, jobHandle windows.Handle, result
return
}
func QueryInformationJobObject(jobHandle windows.Handle, infoClass uint32, jobObjectInfo uintptr, jobObjectInformationLength uint32, lpReturnLength *uint32) (err error) {
func QueryInformationJobObject(jobHandle windows.Handle, infoClass uint32, jobObjectInfo unsafe.Pointer, jobObjectInformationLength uint32, lpReturnLength *uint32) (err error) {
r1, _, e1 := syscall.Syscall6(procQueryInformationJobObject.Addr(), 5, uintptr(jobHandle), uintptr(infoClass), uintptr(jobObjectInfo), uintptr(jobObjectInformationLength), uintptr(unsafe.Pointer(lpReturnLength)), 0)
if r1 == 0 {
if e1 != 0 {
@ -244,7 +244,7 @@ func LocalFree(ptr uintptr) {
return
}
func NtQueryInformationProcess(processHandle windows.Handle, processInfoClass uint32, processInfo uintptr, processInfoLength uint32, returnLength *uint32) (status uint32) {
func NtQueryInformationProcess(processHandle windows.Handle, processInfoClass uint32, processInfo unsafe.Pointer, processInfoLength uint32, returnLength *uint32) (status uint32) {
r0, _, _ := syscall.Syscall6(procNtQueryInformationProcess.Addr(), 5, uintptr(processHandle), uintptr(processInfoClass), uintptr(processInfo), uintptr(processInfoLength), uintptr(unsafe.Pointer(returnLength)), 0)
status = uint32(r0)
return

View File

@ -1,9 +1,6 @@
MIT License
Copyright (c) 2019-2020 Alex Ellis
Copyright (c) 2020 k3sup author(s)
Exclusions: assets, images and logos.
Copyright (c) 2019 Alex Ellis
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal

44
vendor/github.com/alexellis/arkade/pkg/env/env.go generated vendored Normal file
View File

@ -0,0 +1,44 @@
// Copyright (c) arkade author(s) 2022. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.
package env
import (
"log"
"os"
"path"
"strings"
execute "github.com/alexellis/go-execute/pkg/v1"
)
// GetClientArch returns a pair of arch and os
func GetClientArch() (arch string, os string) {
task := execute.ExecTask{Command: "uname", Args: []string{"-m"}, StreamStdio: false}
res, err := task.Execute()
if err != nil {
log.Println(err)
}
archResult := strings.TrimSpace(res.Stdout)
taskOS := execute.ExecTask{Command: "uname", Args: []string{"-s"}, StreamStdio: false}
resOS, errOS := taskOS.Execute()
if errOS != nil {
log.Println(errOS)
}
osResult := strings.TrimSpace(resOS.Stdout)
return archResult, osResult
}
func LocalBinary(name, subdir string) string {
home := os.Getenv("HOME")
val := path.Join(home, ".arkade/bin/")
if len(subdir) > 0 {
val = path.Join(val, subdir)
}
return path.Join(val, name)
}

View File

@ -1,51 +0,0 @@
package env
import (
"log"
"os"
"path"
"strings"
execute "github.com/alexellis/go-execute/pkg/v1"
)
// GetClientArch returns a pair of arch and os
func GetClientArch() (string, string) {
task := execute.ExecTask{
Command: "uname",
Args: []string{"-m"},
StreamStdio: false,
}
res, err := task.Execute()
if err != nil {
log.Println(err)
}
arch := strings.TrimSpace(res.Stdout)
taskOS := execute.ExecTask{
Command: "uname",
Args: []string{"-s"},
StreamStdio: false,
}
resOS, errOS := taskOS.Execute()
if errOS != nil {
log.Println(errOS)
}
os := strings.TrimSpace(resOS.Stdout)
return arch, os
}
func LocalBinary(name, subdir string) string {
home := os.Getenv("HOME")
val := path.Join(home, ".k3sup/bin/")
if len(subdir) > 0 {
val = path.Join(val, subdir)
}
return path.Join(val, name)
}

View File

@ -1,101 +0,0 @@
/*
Copyright The containerd Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package pathdriver
import (
"path/filepath"
)
// PathDriver provides all of the path manipulation functions in a common
// interface. The context should call these and never use the `filepath`
// package or any other package to manipulate paths.
type PathDriver interface {
Join(paths ...string) string
IsAbs(path string) bool
Rel(base, target string) (string, error)
Base(path string) string
Dir(path string) string
Clean(path string) string
Split(path string) (dir, file string)
Separator() byte
Abs(path string) (string, error)
Walk(string, filepath.WalkFunc) error
FromSlash(path string) string
ToSlash(path string) string
Match(pattern, name string) (matched bool, err error)
}
// pathDriver is a simple default implementation calls the filepath package.
type pathDriver struct{}
// LocalPathDriver is the exported pathDriver struct for convenience.
var LocalPathDriver PathDriver = &pathDriver{}
func (*pathDriver) Join(paths ...string) string {
return filepath.Join(paths...)
}
func (*pathDriver) IsAbs(path string) bool {
return filepath.IsAbs(path)
}
func (*pathDriver) Rel(base, target string) (string, error) {
return filepath.Rel(base, target)
}
func (*pathDriver) Base(path string) string {
return filepath.Base(path)
}
func (*pathDriver) Dir(path string) string {
return filepath.Dir(path)
}
func (*pathDriver) Clean(path string) string {
return filepath.Clean(path)
}
func (*pathDriver) Split(path string) (dir, file string) {
return filepath.Split(path)
}
func (*pathDriver) Separator() byte {
return filepath.Separator
}
func (*pathDriver) Abs(path string) (string, error) {
return filepath.Abs(path)
}
// Note that filepath.Walk calls os.Stat, so if the context wants to
// to call Driver.Stat() for Walk, they need to create a new struct that
// overrides this method.
func (*pathDriver) Walk(root string, walkFn filepath.WalkFunc) error {
return filepath.Walk(root, walkFn)
}
func (*pathDriver) FromSlash(path string) string {
return filepath.FromSlash(path)
}
func (*pathDriver) ToSlash(path string) string {
return filepath.ToSlash(path)
}
func (*pathDriver) Match(pattern, name string) (bool, error) {
return filepath.Match(pattern, name)
}

67
vendor/github.com/docker/cli/AUTHORS generated vendored
View File

@ -8,20 +8,25 @@ Aaron.L.Xu <likexu@harmonycloud.cn>
Abdur Rehman <abdur_rehman@mentor.com>
Abhinandan Prativadi <abhi@docker.com>
Abin Shahab <ashahab@altiscale.com>
Abreto FU <public@abreto.email>
Ace Tang <aceapril@126.com>
Addam Hardy <addam.hardy@gmail.com>
Adolfo Ochagavía <aochagavia92@gmail.com>
Adrian Plata <adrian.plata@docker.com>
Adrien Duermael <adrien@duermael.com>
Adrien Folie <folie.adrien@gmail.com>
Ahmet Alp Balkan <ahmetb@microsoft.com>
Aidan Feldman <aidan.feldman@gmail.com>
Aidan Hobson Sayers <aidanhs@cantab.net>
AJ Bowen <aj@gandi.net>
Akihiro Suda <suda.akihiro@lab.ntt.co.jp>
AJ Bowen <aj@soulshake.net>
Akhil Mohan <akhil.mohan@mayadata.io>
Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>
Akim Demaille <akim.demaille@docker.com>
Alan Thompson <cloojure@gmail.com>
Albert Callarisa <shark234@gmail.com>
Albin Kerouanton <albin@akerouanton.name>
Aleksa Sarai <asarai@suse.de>
Aleksander Piotrowski <apiotrowski312@gmail.com>
Alessandro Boch <aboch@tetrationanalytics.com>
Alex Mavrogiannis <alex.mavrogiannis@docker.com>
Alex Mayer <amayer5125@gmail.com>
@ -39,6 +44,7 @@ Amir Goldstein <amir73il@aquasec.com>
Amit Krishnan <amit.krishnan@oracle.com>
Amit Shukla <amit.shukla@docker.com>
Amy Lindburg <amy.lindburg@docker.com>
Anca Iordache <anca.iordache@docker.com>
Anda Xu <anda.xu@docker.com>
Andrea Luzzardi <aluzzardi@gmail.com>
Andreas Köhler <andi5.py@gmx.net>
@ -48,6 +54,7 @@ Andrew Macpherson <hopscotch23@gmail.com>
Andrew McDonnell <bugs@andrewmcdonnell.net>
Andrew Po <absourd.noise@gmail.com>
Andrey Petrov <andrey.petrov@shazow.net>
Andrii Berehuliak <berkusandrew@gmail.com>
André Martins <aanm90@gmail.com>
Andy Goldstein <agoldste@redhat.com>
Andy Rothfusz <github@developersupport.net>
@ -60,7 +67,9 @@ Antonis Kalipetis <akalipetis@gmail.com>
Anusha Ragunathan <anusha.ragunathan@docker.com>
Ao Li <la9249@163.com>
Arash Deshmeh <adeshmeh@ca.ibm.com>
Arko Dasgupta <arko.dasgupta@docker.com>
Arnaud Porterie <arnaud.porterie@docker.com>
Arthur Peka <arthur.peka@outlook.com>
Ashwini Oruganti <ashwini.oruganti@gmail.com>
Azat Khuyiyakhmetov <shadow_uz@mail.ru>
Bardia Keyoumarsi <bkeyouma@ucsc.edu>
@ -86,6 +95,7 @@ Brent Salisbury <brent.salisbury@docker.com>
Bret Fisher <bret@bretfisher.com>
Brian (bex) Exelbierd <bexelbie@redhat.com>
Brian Goff <cpuguy83@gmail.com>
Brian Wieder <brian@4wieders.com>
Bryan Bess <squarejaw@bsbess.com>
Bryan Boreham <bjboreham@gmail.com>
Bryan Murphy <bmurphy1976@gmail.com>
@ -94,6 +104,7 @@ Cameron Spear <cameronspear@gmail.com>
Cao Weiwei <cao.weiwei30@zte.com.cn>
Carlo Mion <mion00@gmail.com>
Carlos Alexandro Becker <caarlos0@gmail.com>
Carlos de Paula <me@carlosedp.com>
Ce Gao <ce.gao@outlook.com>
Cedric Davies <cedricda@microsoft.com>
Cezar Sa Espinola <cezarsa@gmail.com>
@ -127,25 +138,31 @@ Coenraad Loubser <coenraad@wish.org.za>
Colin Hebert <hebert.colin@gmail.com>
Collin Guarino <collin.guarino@gmail.com>
Colm Hally <colmhally@gmail.com>
Comical Derskeal <27731088+derskeal@users.noreply.github.com>
Corey Farrell <git@cfware.com>
Corey Quon <corey.quon@docker.com>
Craig Wilhite <crwilhit@microsoft.com>
Cristian Staretu <cristian.staretu@gmail.com>
Daehyeok Mun <daehyeok@gmail.com>
Dafydd Crosby <dtcrsby@gmail.com>
Daisuke Ito <itodaisuke00@gmail.com>
dalanlan <dalanlan925@gmail.com>
Damien Nadé <github@livna.org>
Dan Cotora <dan@bluevision.ro>
Daniel Artine <daniel.artine@ufrj.br>
Daniel Cassidy <mail@danielcassidy.me.uk>
Daniel Dao <dqminh@cloudflare.com>
Daniel Farrell <dfarrell@redhat.com>
Daniel Gasienica <daniel@gasienica.ch>
Daniel Goosen <daniel.goosen@surveysampling.com>
Daniel Helfand <dhelfand@redhat.com>
Daniel Hiltgen <daniel.hiltgen@docker.com>
Daniel J Walsh <dwalsh@redhat.com>
Daniel Nephin <dnephin@docker.com>
Daniel Norberg <dano@spotify.com>
Daniel Watkins <daniel@daniel-watkins.co.uk>
Daniel Zhang <jmzwcn@gmail.com>
Daniil Nikolenko <qoo2p5@gmail.com>
Danny Berger <dpb587@gmail.com>
Darren Shepherd <darren.s.shepherd@gmail.com>
Darren Stahl <darst@microsoft.com>
@ -178,13 +195,15 @@ Dima Stopel <dima@twistlock.com>
Dimitry Andric <d.andric@activevideo.com>
Ding Fei <dingfei@stars.org.cn>
Diogo Monica <diogo@docker.com>
Djordje Lukic <djordje.lukic@docker.com>
Dmitry Gusev <dmitry.gusev@gmail.com>
Dmitry Smirnov <onlyjob@member.fsf.org>
Dmitry V. Krivenok <krivenok.dmitry@gmail.com>
Dominik Braun <dominik.braun@nbsp.de>
Don Kjer <don.kjer@gmail.com>
Dong Chen <dongluo.chen@docker.com>
Doug Davis <dug@us.ibm.com>
Drew Erny <drew.erny@docker.com>
Drew Erny <derny@mirantis.com>
Ed Costello <epc@epcostello.com>
Elango Sivanandam <elango.siva@docker.com>
Eli Uriegas <eli.uriegas@docker.com>
@ -215,6 +234,7 @@ Felix Rabe <felix@rabe.io>
Filip Jareš <filipjares@gmail.com>
Flavio Crisciani <flavio.crisciani@docker.com>
Florian Klein <florian.klein@free.fr>
Forest Johnson <fjohnson@peoplenetonline.com>
Foysal Iqbal <foysal.iqbal.fb@gmail.com>
François Scala <francois.scala@swiss-as.com>
Fred Lifton <fred.lifton@docker.com>
@ -231,6 +251,7 @@ George MacRorie <gmacr31@gmail.com>
George Xie <georgexsh@gmail.com>
Gianluca Borello <g.borello@gmail.com>
Gildas Cuisinier <gildas.cuisinier@gcuisinier.net>
Goksu Toprak <goksu.toprak@docker.com>
Gou Rao <gou@portworx.com>
Grant Reaber <grant.reaber@gmail.com>
Greg Pflaum <gpflaum@users.noreply.github.com>
@ -245,6 +266,7 @@ Harald Albers <github@albersweb.de>
Harold Cooper <hrldcpr@gmail.com>
Harry Zhang <harryz@hyper.sh>
He Simei <hesimei@zju.edu.cn>
Hector S <hfsam88@gmail.com>
Helen Xie <chenjg@harmonycloud.cn>
Henning Sprang <henning.sprang@gmail.com>
Henry N <henrynmail-github@yahoo.de>
@ -252,6 +274,7 @@ Hernan Garcia <hernandanielg@gmail.com>
Hongbin Lu <hongbin034@gmail.com>
Hu Keping <hukeping@huawei.com>
Huayi Zhang <irachex@gmail.com>
Hugo Gabriel Eyherabide <hugogabriel.eyherabide@gmail.com>
huqun <huqun@zju.edu.cn>
Huu Nguyen <huu@prismskylabs.com>
Hyzhou Zhy <hyzhou.zhy@alibaba-inc.com>
@ -293,7 +316,7 @@ Jeremy Unruh <jeremybunruh@gmail.com>
Jeremy Yallop <yallop@docker.com>
Jeroen Franse <jeroenfranse@gmail.com>
Jesse Adametz <jesseadametz@gmail.com>
Jessica Frazelle <jessfraz@google.com>
Jessica Frazelle <jess@oxide.computer>
Jezeniel Zapanta <jpzapanta22@gmail.com>
Jian Zhang <zhangjian.fnst@cn.fujitsu.com>
Jie Luo <luo612@zju.edu.cn>
@ -304,6 +327,7 @@ Jimmy Song <rootsongjc@gmail.com>
jimmyxian <jimmyxian2004@yahoo.com.cn>
Jintao Zhang <zhangjintao9020@gmail.com>
Joao Fernandes <joao.fernandes@docker.com>
Joe Abbey <joe.abbey@gmail.com>
Joe Doliner <jdoliner@pachyderm.io>
Joe Gordon <joe.gordon0@gmail.com>
Joel Handwell <joelhandwell@gmail.com>
@ -313,7 +337,7 @@ Johan Euphrosine <proppy@google.com>
Johannes 'fish' Ziemke <github@freigeist.org>
John Feminella <jxf@jxf.me>
John Harris <john@johnharris.io>
John Howard (VM) <John.Howard@microsoft.com>
John Howard <github@lowenna.com>
John Laswell <john.n.laswell@gmail.com>
John Maguire <jmaguire@duosecurity.com>
John Mulhausen <john@docker.com>
@ -322,12 +346,15 @@ John Stephens <johnstep@docker.com>
John Tims <john.k.tims@gmail.com>
John V. Martinez <jvmatl@gmail.com>
John Willis <john.willis@docker.com>
Jon Johnson <jonjohnson@google.com>
Jonatas Baldin <jonatas.baldin@gmail.com>
Jonathan Boulle <jonathanboulle@gmail.com>
Jonathan Lee <jonjohn1232009@gmail.com>
Jonathan Lomas <jonathan@floatinglomas.ca>
Jonathan McCrohan <jmccrohan@gmail.com>
Jonh Wendell <jonh.wendell@redhat.com>
Jordan Jennings <jjn2009@gmail.com>
Jose J. Escobar <53836904+jescobar-docker@users.noreply.github.com>
Joseph Kern <jkern@semafour.net>
Josh Bodah <jb3689@yahoo.com>
Josh Chorlton <jchorlton@gmail.com>
@ -351,6 +378,7 @@ Kara Alexandra <kalexandra@us.ibm.com>
Kareem Khazem <karkhaz@karkhaz.com>
Karthik Nayak <Karthik.188@gmail.com>
Kat Samperi <kat.samperi@gmail.com>
Kathryn Spiers <kathryn@spiers.me>
Katie McLaughlin <katie@glasnt.com>
Ke Xu <leonhartx.k@gmail.com>
Kei Ohmura <ohmura.kei@gmail.com>
@ -364,6 +392,7 @@ Kevin Kern <kaiwentan@harmonycloud.cn>
Kevin Kirsche <Kev.Kirsche+GitHub@gmail.com>
Kevin Meredith <kevin.m.meredith@gmail.com>
Kevin Richardson <kevin@kevinrichardson.co>
Kevin Woblick <mail@kovah.de>
khaled souf <khaled.souf@gmail.com>
Kim Eik <kim@heldig.org>
Kir Kolyshkin <kolyshkin@gmail.com>
@ -372,7 +401,6 @@ Krasi Georgiev <krasi@vip-consult.solutions>
Kris-Mikael Krister <krismikael@protonmail.com>
Kun Zhang <zkazure@gmail.com>
Kunal Kushwaha <kushwaha_kunal_v7@lab.ntt.co.jp>
Kyle Spiers <kyle@spiers.me>
Lachlan Cooper <lachlancooper@gmail.com>
Lai Jiangshan <jiangshanlai@gmail.com>
Lars Kellogg-Stedman <lars@redhat.com>
@ -402,13 +430,16 @@ Luca Favatella <luca.favatella@erlang-solutions.com>
Luca Marturana <lucamarturana@gmail.com>
Lucas Chan <lucas-github@lucaschan.com>
Luka Hartwig <mail@lukahartwig.de>
Lukas Heeren <lukas-heeren@hotmail.com>
Lukasz Zajaczkowski <Lukasz.Zajaczkowski@ts.fujitsu.com>
Lydell Manganti <LydellManganti@users.noreply.github.com>
Lénaïc Huard <lhuard@amadeus.com>
Ma Shimiao <mashimiao.fnst@cn.fujitsu.com>
Mabin <bin.ma@huawei.com>
Maciej Kalisz <maciej.d.kalisz@gmail.com>
Madhav Puri <madhav.puri@gmail.com>
Madhu Venugopal <madhu@socketplane.io>
Madhur Batra <madhurbatra097@gmail.com>
Malte Janduda <mail@janduda.net>
Manjunath A Kumatagi <mkumatag@in.ibm.com>
Mansi Nahar <mmn4185@rit.edu>
@ -418,6 +449,7 @@ Marco Mariani <marco.mariani@alterway.fr>
Marco Vedovati <mvedovati@suse.com>
Marcus Martins <marcus@docker.com>
Marianna Tessel <mtesselh@gmail.com>
Marius Ileana <marius.ileana@gmail.com>
Marius Sturm <marius@graylog.com>
Mark Oates <fl0yd@me.com>
Marsh Macy <marsma@microsoft.com>
@ -463,12 +495,14 @@ mikelinjie <294893458@qq.com>
Mikhail Vasin <vasin@cloud-tv.ru>
Milind Chawre <milindchawre@gmail.com>
Mindaugas Rukas <momomg@gmail.com>
Miroslav Gula <miroslav.gula@naytrolabs.com>
Misty Stanley-Jones <misty@docker.com>
Mohammad Banikazemi <mb@us.ibm.com>
Mohammed Aaqib Ansari <maaquib@gmail.com>
Mohini Anne Dsouza <mohini3917@gmail.com>
Moorthy RS <rsmoorthy@gmail.com>
Morgan Bauer <mbauer@us.ibm.com>
Morten Hekkvang <morten.hekkvang@sbab.se>
Moysés Borges <moysesb@gmail.com>
Mrunal Patel <mrunalp@gmail.com>
muicoder <muicoder@gmail.com>
@ -499,9 +533,11 @@ Nishant Totla <nishanttotla@gmail.com>
NIWA Hideyuki <niwa.niwa@nifty.ne.jp>
Noah Treuhaft <noah.treuhaft@docker.com>
O.S. Tezer <ostezer@gmail.com>
Odin Ugedal <odin@ugedal.com>
ohmystack <jun.jiang02@ele.me>
Olle Jonsson <olle.jonsson@gmail.com>
Olli Janatuinen <olli.janatuinen@gmail.com>
Oscar Wieman <oscrx@icloud.com>
Otto Kekäläinen <otto@seravo.fi>
Ovidio Mallo <ovidio.mallo@gmail.com>
Pascal Borreli <pascal@borreli.com>
@ -511,6 +547,7 @@ Patrick Lang <plang@microsoft.com>
Paul <paul9869@gmail.com>
Paul Kehrer <paul.l.kehrer@gmail.com>
Paul Lietar <paul@lietar.net>
Paul Mulders <justinkb@gmail.com>
Paul Weaver <pauweave@cisco.com>
Pavel Pospisil <pospispa@gmail.com>
Paweł Szczekutowicz <pszczekutowicz@gmail.com>
@ -537,6 +574,8 @@ Qiang Huang <h.huangqiang@huawei.com>
Qinglan Peng <qinglanpeng@zju.edu.cn>
qudongfang <qudongfang@gmail.com>
Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com>
Rahul Zoldyck <rahulzoldyck@gmail.com>
Ravi Shekhar Jethani <rsjethani@gmail.com>
Ray Tsang <rayt@google.com>
Reficul <xuzhenglun@gmail.com>
Remy Suen <remy.suen@gmail.com>
@ -548,11 +587,13 @@ Richard Scothern <richard.scothern@gmail.com>
Rick Wieman <git@rickw.nl>
Ritesh H Shukla <sritesh@vmware.com>
Riyaz Faizullabhoy <riyaz.faizullabhoy@docker.com>
Rob Gulewich <rgulewich@netflix.com>
Robert Wallis <smilingrob@gmail.com>
Robin Naundorf <r.naundorf@fh-muenster.de>
Robin Speekenbrink <robin@kingsquare.nl>
Rodolfo Ortiz <rodolfo.ortiz@definityfirst.com>
Rogelio Canedo <rcanedo@mappy.priv>
Rohan Verma <hello@rohanverma.net>
Roland Kammerer <roland.kammerer@linbit.com>
Roman Dudin <katrmr@gmail.com>
Rory Hunter <roryhunter2@gmail.com>
@ -568,10 +609,14 @@ Sainath Grandhi <sainath.grandhi@intel.com>
Sakeven Jiang <jc5930@sina.cn>
Sally O'Malley <somalley@redhat.com>
Sam Neirinck <sam@samneirinck.com>
Samarth Shah <samashah@microsoft.com>
Sambuddha Basu <sambuddhabasu1@gmail.com>
Sami Tabet <salph.tabet@gmail.com>
Samuel Cochran <sj26@sj26.com>
Samuel Karp <skarp@amazon.com>
Santhosh Manohar <santhosh@docker.com>
Sargun Dhillon <sargun@netflix.com>
Saswat Bhattacharya <sas.saswat@gmail.com>
Scott Brenner <scott@scottbrenner.me>
Scott Collier <emailscottcollier@gmail.com>
Sean Christopherson <sean.j.christopherson@intel.com>
@ -592,6 +637,7 @@ sidharthamani <sid@rancher.com>
Silvin Lubecki <silvin.lubecki@docker.com>
Simei He <hesimei@zju.edu.cn>
Simon Ferquel <simon.ferquel@docker.com>
Simon Heimberg <simon.heimberg@heimberg-ea.ch>
Sindhu S <sindhus@live.in>
Slava Semushin <semushin@redhat.com>
Solomon Hykes <solomon@docker.com>
@ -621,7 +667,10 @@ TAGOMORI Satoshi <tagomoris@gmail.com>
taiji-tech <csuhqg@foxmail.com>
Taylor Jones <monitorjbl@gmail.com>
Tejaswini Duggaraju <naduggar@microsoft.com>
Tengfei Wang <tfwang@alauda.io>
Teppei Fukuda <knqyf263@gmail.com>
Thatcher Peskens <thatcher@docker.com>
Thibault Coupin <thibault.coupin@gmail.com>
Thomas Gazagnaire <thomas@gazagnaire.org>
Thomas Krzero <thomas.kovatchitch@gmail.com>
Thomas Leonard <thomas.leonard@docker.com>
@ -633,6 +682,7 @@ Tianyi Wang <capkurmagati@gmail.com>
Tibor Vass <teabee89@gmail.com>
Tim Dettrick <t.dettrick@uq.edu.au>
Tim Hockin <thockin@google.com>
Tim Sampson <tim@sampson.fi>
Tim Smith <timbot@google.com>
Tim Waugh <twaugh@redhat.com>
Tim Wraight <tim.wraight@tangentlabs.co.uk>
@ -657,9 +707,11 @@ Tristan Carel <tristan@cogniteev.com>
Tycho Andersen <tycho@docker.com>
Tycho Andersen <tycho@tycho.ws>
uhayate <uhayate.gong@daocloud.io>
Ulrich Bareth <ulrich.bareth@gmail.com>
Ulysses Souza <ulysses.souza@docker.com>
Umesh Yadav <umesh4257@gmail.com>
Valentin Lorentz <progval+git@progval.net>
Venkateswara Reddy Bukkasamudram <bukkasamudram@outlook.com>
Veres Lajos <vlajos@gmail.com>
Victor Vieux <victor.vieux@docker.com>
Victoria Bialas <victoria.bialas@docker.com>
@ -677,6 +729,7 @@ Wang Long <long.wanglong@huawei.com>
Wang Ping <present.wp@icloud.com>
Wang Xing <hzwangxing@corp.netease.com>
Wang Yuexiao <wang.yuexiao@zte.com.cn>
Wang Yumu <37442693@qq.com>
Wataru Ishida <ishida.wataru@lab.ntt.co.jp>
Wayne Song <wsong@docker.com>
Wen Cheng Ma <wenchma@cn.ibm.com>
@ -685,6 +738,7 @@ Wes Morgan <cap10morgan@gmail.com>
Wewang Xiaorenfine <wang.xiaoren@zte.com.cn>
William Henry <whenry@redhat.com>
Xianglin Gao <xlgao@zju.edu.cn>
Xiaodong Liu <liuxiaodong@loongson.cn>
Xiaodong Zhang <a4012017@sina.com>
Xiaoxi He <xxhe@alauda.io>
Xinbo Weng <xihuanbo_0521@zju.edu.cn>
@ -701,6 +755,7 @@ Yuan Sun <sunyuan3@huawei.com>
Yue Zhang <zy675793960@yeah.net>
Yunxiang Huang <hyxqshk@vip.qq.com>
Zachary Romero <zacromero3@gmail.com>
Zander Mackie <zmackie@gmail.com>
zebrilee <zebrilee@gmail.com>
Zhang Kun <zkazure@gmail.com>
Zhang Wei <zhangwei555@huawei.com>

View File

@ -3,7 +3,7 @@ Copyright 2012-2017 Docker, Inc.
This product includes software developed at Docker, Inc. (https://www.docker.com).
This product contains software (https://github.com/kr/pty) developed
This product contains software (https://github.com/creack/pty) developed
by Keith Rarick, licensed under the MIT License.
The following is courtesy of our legal counsel:

View File

@ -6,6 +6,7 @@ import (
"os"
"path/filepath"
"strings"
"sync"
"github.com/docker/cli/cli/config/configfile"
"github.com/docker/cli/cli/config/credentials"
@ -23,17 +24,44 @@ const (
)
var (
configDir = os.Getenv("DOCKER_CONFIG")
initConfigDir = new(sync.Once)
configDir string
homeDir string
)
func init() {
// resetHomeDir is used in testing to reset the "homeDir" package variable to
// force re-lookup of the home directory between tests.
func resetHomeDir() {
homeDir = ""
}
func getHomeDir() string {
if homeDir == "" {
homeDir = homedir.Get()
}
return homeDir
}
// resetConfigDir is used in testing to reset the "configDir" package variable
// and its sync.Once to force re-lookup between tests.
func resetConfigDir() {
configDir = ""
initConfigDir = new(sync.Once)
}
func setConfigDir() {
if configDir != "" {
return
}
configDir = os.Getenv("DOCKER_CONFIG")
if configDir == "" {
configDir = filepath.Join(homedir.Get(), configFileDir)
configDir = filepath.Join(getHomeDir(), configFileDir)
}
}
// Dir returns the directory the configuration file is stored in
func Dir() string {
initConfigDir.Do(setConfigDir)
return configDir
}
@ -80,6 +108,15 @@ func LoadFromReader(configData io.Reader) (*configfile.ConfigFile, error) {
// the auth config information and returns values.
// FIXME: use the internal golang config parser
func Load(configDir string) (*configfile.ConfigFile, error) {
cfg, _, err := load(configDir)
return cfg, err
}
// TODO remove this temporary hack, which is used to warn about the deprecated ~/.dockercfg file
// so we can remove the bool return value and collapse this back into `Load`
func load(configDir string) (*configfile.ConfigFile, bool, error) {
printLegacyFileWarning := false
if configDir == "" {
configDir = Dir()
}
@ -88,47 +125,41 @@ func Load(configDir string) (*configfile.ConfigFile, error) {
configFile := configfile.New(filename)
// Try happy path first - latest config file
if _, err := os.Stat(filename); err == nil {
file, err := os.Open(filename)
if err != nil {
return configFile, errors.Wrap(err, filename)
}
if file, err := os.Open(filename); err == nil {
defer file.Close()
err = configFile.LoadFromReader(file)
if err != nil {
err = errors.Wrap(err, filename)
}
return configFile, err
return configFile, printLegacyFileWarning, err
} else if !os.IsNotExist(err) {
// if file is there but we can't stat it for any reason other
// than it doesn't exist then stop
return configFile, errors.Wrap(err, filename)
return configFile, printLegacyFileWarning, errors.Wrap(err, filename)
}
// Can't find latest config file so check for the old one
confFile := filepath.Join(homedir.Get(), oldConfigfile)
if _, err := os.Stat(confFile); err != nil {
return configFile, nil //missing file is not an error
filename = filepath.Join(getHomeDir(), oldConfigfile)
if file, err := os.Open(filename); err == nil {
printLegacyFileWarning = true
defer file.Close()
if err := configFile.LegacyLoadFromReader(file); err != nil {
return configFile, printLegacyFileWarning, errors.Wrap(err, filename)
}
}
file, err := os.Open(confFile)
if err != nil {
return configFile, errors.Wrap(err, filename)
}
defer file.Close()
err = configFile.LegacyLoadFromReader(file)
if err != nil {
return configFile, errors.Wrap(err, filename)
}
return configFile, nil
return configFile, printLegacyFileWarning, nil
}
// LoadDefaultConfigFile attempts to load the default config file and returns
// an initialized ConfigFile struct if none is found.
func LoadDefaultConfigFile(stderr io.Writer) *configfile.ConfigFile {
configFile, err := Load(Dir())
configFile, printLegacyFileWarning, err := load(Dir())
if err != nil {
fmt.Fprintf(stderr, "WARNING: Error loading config file: %v\n", err)
}
if printLegacyFileWarning {
_, _ = fmt.Fprintln(stderr, "WARNING: Support for the legacy ~/.dockercfg configuration file and file-format is deprecated and will be removed in an upcoming release")
}
if !configFile.ContainsAuth() {
configFile.CredentialsStore = credentials.DetectDefaultStore(configFile.CredentialsStore)
}

View File

@ -13,6 +13,7 @@ import (
"github.com/docker/cli/cli/config/credentials"
"github.com/docker/cli/cli/config/types"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
)
const (
@ -118,14 +119,16 @@ func (configFile *ConfigFile) LegacyLoadFromReader(configData io.Reader) error {
// LoadFromReader reads the configuration data given and sets up the auth config
// information with given directory and populates the receiver object
func (configFile *ConfigFile) LoadFromReader(configData io.Reader) error {
if err := json.NewDecoder(configData).Decode(&configFile); err != nil {
if err := json.NewDecoder(configData).Decode(configFile); err != nil && !errors.Is(err, io.EOF) {
return err
}
var err error
for addr, ac := range configFile.AuthConfigs {
ac.Username, ac.Password, err = decodeAuth(ac.Auth)
if err != nil {
return err
if ac.Auth != "" {
ac.Username, ac.Password, err = decodeAuth(ac.Auth)
if err != nil {
return err
}
}
ac.Auth = ""
ac.ServerAddress = addr
@ -166,6 +169,13 @@ func (configFile *ConfigFile) SaveToWriter(writer io.Writer) error {
configFile.AuthConfigs = tmpAuthConfigs
defer func() { configFile.AuthConfigs = saveAuthConfigs }()
// User-Agent header is automatically set, and should not be stored in the configuration
for v := range configFile.HTTPHeaders {
if strings.EqualFold(v, "User-Agent") {
delete(configFile.HTTPHeaders, v)
}
}
data, err := json.MarshalIndent(configFile, "", "\t")
if err != nil {
return err
@ -175,7 +185,7 @@ func (configFile *ConfigFile) SaveToWriter(writer io.Writer) error {
}
// Save encodes and writes out all the authorization information
func (configFile *ConfigFile) Save() error {
func (configFile *ConfigFile) Save() (retErr error) {
if configFile.Filename == "" {
return errors.Errorf("Can't save config with empty filename")
}
@ -188,13 +198,33 @@ func (configFile *ConfigFile) Save() error {
if err != nil {
return err
}
defer func() {
temp.Close()
if retErr != nil {
if err := os.Remove(temp.Name()); err != nil {
logrus.WithError(err).WithField("file", temp.Name()).Debug("Error cleaning up temp file")
}
}
}()
err = configFile.SaveToWriter(temp)
temp.Close()
if err != nil {
os.Remove(temp.Name())
return err
}
return os.Rename(temp.Name(), configFile.Filename)
if err := temp.Close(); err != nil {
return errors.Wrap(err, "error closing temp file")
}
// Handle situation where the configfile is a symlink
cfgFile := configFile.Filename
if f, err := os.Readlink(cfgFile); err == nil {
cfgFile = f
}
// Try copying the current config file (if any) ownership and permissions
copyFilePermissions(cfgFile, temp.Name())
return os.Rename(temp.Name(), cfgFile)
}
// ParseProxyConfig computes proxy configuration by retrieving the config for the provided host and

View File

@ -0,0 +1,36 @@
//go:build !windows
// +build !windows
package configfile
import (
"os"
"syscall"
)
// copyFilePermissions copies file ownership and permissions from "src" to "dst",
// ignoring any error during the process.
func copyFilePermissions(src, dst string) {
var (
mode os.FileMode = 0600
uid, gid int
)
fi, err := os.Stat(src)
if err != nil {
return
}
if fi.Mode().IsRegular() {
mode = fi.Mode()
}
if err := os.Chmod(dst, mode); err != nil {
return
}
uid = int(fi.Sys().(*syscall.Stat_t).Uid)
gid = int(fi.Sys().(*syscall.Stat_t).Gid)
if uid > 0 && gid > 0 {
_ = os.Chown(dst, uid, gid)
}
}

View File

@ -0,0 +1,5 @@
package configfile
func copyFilePermissions(src, dst string) {
// TODO implement for Windows
}

View File

@ -1,7 +1,7 @@
package credentials
import (
"os/exec"
exec "golang.org/x/sys/execabs"
)
// DetectDefaultStore return the default credentials store for the platform if

View File

@ -1,3 +1,4 @@
//go:build !windows && !darwin && !linux
// +build !windows,!darwin,!linux
package credentials

View File

@ -4,7 +4,8 @@ import (
"fmt"
"io"
"os"
"os/exec"
exec "golang.org/x/sys/execabs"
)
// Program is an interface to execute external programs.

View File

@ -1,4 +1,4 @@
package credentials
// Version holds a string describing the current version
const Version = "0.6.3"
const Version = "0.6.4"

View File

@ -4,6 +4,7 @@
Aanand Prasad <aanand.prasad@gmail.com>
Aaron Davidson <aaron@databricks.com>
Aaron Feng <aaron.feng@gmail.com>
Aaron Hnatiw <aaron@griddio.com>
Aaron Huslage <huslage@gmail.com>
Aaron L. Xu <liker.xu@foxmail.com>
Aaron Lehmann <aaron.lehmann@docker.com>
@ -17,6 +18,7 @@ Abhishek Chanda <abhishek.becs@gmail.com>
Abhishek Sharma <abhishek@asharma.me>
Abin Shahab <ashahab@altiscale.com>
Adam Avilla <aavilla@yp.com>
Adam Dobrawy <naczelnik@jawnosc.tk>
Adam Eijdenberg <adam.eijdenberg@gmail.com>
Adam Kunk <adam.kunk@tiaa-cref.org>
Adam Miller <admiller@redhat.com>
@ -43,6 +45,7 @@ AJ Bowen <aj@soulshake.net>
Ajey Charantimath <ajey.charantimath@gmail.com>
ajneu <ajneu@users.noreply.github.com>
Akash Gupta <akagup@microsoft.com>
Akhil Mohan <akhil.mohan@mayadata.io>
Akihiro Matsushima <amatsusbit@gmail.com>
Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>
Akim Demaille <akim.demaille@docker.com>
@ -50,10 +53,12 @@ Akira Koyasu <mail@akirakoyasu.net>
Akshay Karle <akshay.a.karle@gmail.com>
Al Tobey <al@ooyala.com>
alambike <alambike@gmail.com>
Alan Hoyle <alan@alanhoyle.com>
Alan Scherger <flyinprogrammer@gmail.com>
Alan Thompson <cloojure@gmail.com>
Albert Callarisa <shark234@gmail.com>
Albert Zhang <zhgwenming@gmail.com>
Albin Kerouanton <albin@akerouanton.name>
Alejandro González Hevia <alejandrgh11@gmail.com>
Aleksa Sarai <asarai@suse.de>
Aleksandrs Fadins <aleks@s-ko.net>
@ -107,11 +112,13 @@ Amy Lindburg <amy.lindburg@docker.com>
Anand Patil <anand.prabhakar.patil@gmail.com>
AnandkumarPatel <anandkumarpatel@gmail.com>
Anatoly Borodin <anatoly.borodin@gmail.com>
Anca Iordache <anca.iordache@docker.com>
Anchal Agrawal <aagrawa4@illinois.edu>
Anda Xu <anda.xu@docker.com>
Anders Janmyr <anders@janmyr.com>
Andre Dublin <81dublin@gmail.com>
Andre Granovsky <robotciti@live.com>
Andrea Denisse Gómez <crypto.andrea@protonmail.ch>
Andrea Luzzardi <aluzzardi@gmail.com>
Andrea Turli <andrea.turli@gmail.com>
Andreas Elvers <andreas@work.de>
@ -176,8 +183,10 @@ Anusha Ragunathan <anusha.ragunathan@docker.com>
apocas <petermdias@gmail.com>
Arash Deshmeh <adeshmeh@ca.ibm.com>
ArikaChen <eaglesora@gmail.com>
Arko Dasgupta <arko.dasgupta@docker.com>
Arnaud Lefebvre <a.lefebvre@outlook.fr>
Arnaud Porterie <arnaud.porterie@docker.com>
Arnaud Rebillout <arnaud.rebillout@collabora.com>
Arthur Barr <arthur.barr@uk.ibm.com>
Arthur Gautier <baloo@gandi.net>
Artur Meyster <arthurfbi@yahoo.com>
@ -210,10 +219,12 @@ Benjamin Atkin <ben@benatkin.com>
Benjamin Baker <Benjamin.baker@utexas.edu>
Benjamin Boudreau <boudreau.benjamin@gmail.com>
Benjamin Yolken <yolken@stripe.com>
Benny Ng <benny.tpng@gmail.com>
Benoit Chesneau <bchesneau@gmail.com>
Bernerd Schaefer <bj.schaefer@gmail.com>
Bernhard M. Wiedemann <bwiedemann@suse.de>
Bert Goethals <bert@bertg.be>
Bertrand Roussel <broussel@sierrawireless.com>
Bevisy Zhang <binbin36520@gmail.com>
Bharath Thiruveedula <bharath_ves@hotmail.com>
Bhiraj Butala <abhiraj.butala@gmail.com>
@ -226,6 +237,7 @@ Bingshen Wang <bingshen.wbs@alibaba-inc.com>
Blake Geno <blakegeno@gmail.com>
Boaz Shuster <ripcurld.github@gmail.com>
bobby abbott <ttobbaybbob@gmail.com>
Boqin Qin <bobbqqin@gmail.com>
Boris Pruessmann <boris@pruessmann.org>
Boshi Lian <farmer1992@gmail.com>
Bouke Haarsma <bouke@webatoom.nl>
@ -279,6 +291,7 @@ Carl Loa Odin <carlodin@gmail.com>
Carl X. Su <bcbcarl@gmail.com>
Carlo Mion <mion00@gmail.com>
Carlos Alexandro Becker <caarlos0@gmail.com>
Carlos de Paula <me@carlosedp.com>
Carlos Sanchez <carlos@apache.org>
Carol Fager-Higgins <carol.fager-higgins@docker.com>
Cary <caryhartline@users.noreply.github.com>
@ -328,6 +341,7 @@ Chris Gibson <chris@chrisg.io>
Chris Khoo <chris.khoo@gmail.com>
Chris McKinnel <chris.mckinnel@tangentlabs.co.uk>
Chris McKinnel <chrismckinnel@gmail.com>
Chris Price <cprice@mirantis.com>
Chris Seto <chriskseto@gmail.com>
Chris Snow <chsnow123@gmail.com>
Chris St. Pierre <chris.a.st.pierre@gmail.com>
@ -354,7 +368,7 @@ Christopher Currie <codemonkey+github@gmail.com>
Christopher Jones <tophj@linux.vnet.ibm.com>
Christopher Latham <sudosurootdev@gmail.com>
Christopher Rigor <crigor@gmail.com>
Christy Perez <christy@linux.vnet.ibm.com>
Christy Norman <christy@linux.vnet.ibm.com>
Chun Chen <ramichen@tencent.com>
Ciro S. Costa <ciro.costa@usp.br>
Clayton Coleman <ccoleman@redhat.com>
@ -374,8 +388,10 @@ Corey Farrell <git@cfware.com>
Cory Forsyth <cory.forsyth@gmail.com>
cressie176 <github@stephen-cresswell.net>
CrimsonGlory <CrimsonGlory@users.noreply.github.com>
Cristian Ariza <dev@cristianrz.com>
Cristian Staretu <cristian.staretu@gmail.com>
cristiano balducci <cristiano.balducci@gmail.com>
Cristina Yenyxe Gonzalez Garcia <cristina.yenyxe@gmail.com>
Cruceru Calin-Cristian <crucerucalincristian@gmail.com>
CUI Wei <ghostplant@qq.com>
Cyprian Gracz <cyprian.gracz@micro-jumbo.eu>
@ -402,12 +418,14 @@ Dan Williams <me@deedubs.com>
Dani Hodovic <dani.hodovic@gmail.com>
Dani Louca <dani.louca@docker.com>
Daniel Antlinger <d.antlinger@gmx.at>
Daniel Black <daniel@linux.ibm.com>
Daniel Dao <dqminh@cloudflare.com>
Daniel Exner <dex@dragonslave.de>
Daniel Farrell <dfarrell@redhat.com>
Daniel Garcia <daniel@danielgarcia.info>
Daniel Gasienica <daniel@gasienica.ch>
Daniel Grunwell <mwgrunny@gmail.com>
Daniel Helfand <helfand.4@gmail.com>
Daniel Hiltgen <daniel.hiltgen@docker.com>
Daniel J Walsh <dwalsh@redhat.com>
Daniel Menet <membership@sontags.ch>
@ -417,12 +435,14 @@ Daniel Norberg <dano@spotify.com>
Daniel Nordberg <dnordberg@gmail.com>
Daniel Robinson <gottagetmac@gmail.com>
Daniel S <dan.streby@gmail.com>
Daniel Sweet <danieljsweet@icloud.com>
Daniel Von Fange <daniel@leancoder.com>
Daniel Watkins <daniel@daniel-watkins.co.uk>
Daniel X Moore <yahivin@gmail.com>
Daniel YC Lin <dlin.tw@gmail.com>
Daniel Zhang <jmzwcn@gmail.com>
Danny Berger <dpb587@gmail.com>
Danny Milosavljevic <dannym@scratchpost.org>
Danny Yates <danny@codeaholics.org>
Danyal Khaliq <danyal.khaliq@tenpearls.com>
Darren Coxall <darren@darrencoxall.com>
@ -487,6 +507,7 @@ Derek McGowan <derek@mcgstyle.net>
Deric Crago <deric.crago@gmail.com>
Deshi Xiao <dxiao@redhat.com>
devmeyster <arthurfbi@yahoo.com>
Devon Estes <devon.estes@klarna.com>
Devvyn Murphy <devvyn@devvyn.com>
Dharmit Shah <shahdharmit@gmail.com>
Dhawal Yogesh Bhanushali <dbhanushali@vmware.com>
@ -516,6 +537,8 @@ Dmitry Smirnov <onlyjob@member.fsf.org>
Dmitry V. Krivenok <krivenok.dmitry@gmail.com>
Dmitry Vorobev <dimahabr@gmail.com>
Dolph Mathews <dolph.mathews@gmail.com>
Dominic Tubach <dominic.tubach@to.com>
Dominic Yin <yindongchao@inspur.com>
Dominik Dingel <dingel@linux.vnet.ibm.com>
Dominik Finkbeiner <finkes93@gmail.com>
Dominik Honnef <dominik@honnef.co>
@ -534,7 +557,7 @@ Douglas Curtis <dougcurtis1@gmail.com>
Dr Nic Williams <drnicwilliams@gmail.com>
dragon788 <dragon788@users.noreply.github.com>
Dražen Lučanin <kermit666@gmail.com>
Drew Erny <drew.erny@docker.com>
Drew Erny <derny@mirantis.com>
Drew Hubl <drew.hubl@gmail.com>
Dustin Sallings <dustin@spy.net>
Ed Costello <epc@epcostello.com>
@ -584,6 +607,7 @@ Erik Weathers <erikdw@gmail.com>
Erno Hopearuoho <erno.hopearuoho@gmail.com>
Erwin van der Koogh <info@erronis.nl>
Ethan Bell <ebgamer29@gmail.com>
Ethan Mosbaugh <ethan@replicated.com>
Euan Kemp <euan.kemp@coreos.com>
Eugen Krizo <eugen.krizo@gmail.com>
Eugene Yakubovich <eugene.yakubovich@coreos.com>
@ -595,6 +619,7 @@ Evan Phoenix <evan@fallingsnow.net>
Evan Wies <evan@neomantra.net>
Evelyn Xu <evelynhsu21@gmail.com>
Everett Toews <everett.toews@rackspace.com>
Evgeniy Makhrov <e.makhrov@corp.badoo.com>
Evgeny Shmarnev <shmarnev@gmail.com>
Evgeny Vereshchagin <evvers@ya.ru>
Ewa Czechowska <ewa@ai-traders.com>
@ -620,6 +645,7 @@ Fareed Dudhia <fareeddudhia@googlemail.com>
Fathi Boudra <fathi.boudra@linaro.org>
Federico Gimenez <fgimenez@coit.es>
Felipe Oliveira <felipeweb.programador@gmail.com>
Felipe Ruhland <felipe.ruhland@gmail.com>
Felix Abecassis <fabecassis@nvidia.com>
Felix Geisendörfer <felix@debuggable.com>
Felix Hupfeld <felix@quobyte.com>
@ -640,6 +666,7 @@ Florian <FWirtz@users.noreply.github.com>
Florian Klein <florian.klein@free.fr>
Florian Maier <marsmensch@users.noreply.github.com>
Florian Noeding <noeding@adobe.com>
Florian Schmaus <flo@geekplace.eu>
Florian Weingarten <flo@hackvalue.de>
Florin Asavoaie <florin.asavoaie@gmail.com>
Florin Patan <florinpatan@gmail.com>
@ -654,6 +681,7 @@ Frank Groeneveld <frank@ivaldi.nl>
Frank Herrmann <fgh@4gh.tv>
Frank Macreery <frank@macreery.com>
Frank Rosquin <frank.rosquin+github@gmail.com>
frankyang <yyb196@gmail.com>
Fred Lifton <fred.lifton@docker.com>
Frederick F. Kautz IV <fkautz@redhat.com>
Frederik Loeffert <frederik@zitrusmedia.de>
@ -675,7 +703,7 @@ Gareth Rushgrove <gareth@morethanseven.net>
Garrett Barboza <garrett@garrettbarboza.com>
Gary Schaetz <gary@schaetzkc.com>
Gaurav <gaurav.gosec@gmail.com>
gautam, prasanna <prasannagautam@gmail.com>
Gaurav Singh <gaurav1086@gmail.com>
Gaël PORTAY <gael.portay@savoirfairelinux.com>
Genki Takiuchi <genki@s21g.com>
GennadySpb <lipenkov@gmail.com>
@ -701,11 +729,12 @@ Gleb M Borisov <borisov.gleb@gmail.com>
Glyn Normington <gnormington@gopivotal.com>
GoBella <caili_welcome@163.com>
Goffert van Gool <goffert@phusion.nl>
Goldwyn Rodrigues <rgoldwyn@suse.com>
Gopikannan Venugopalsamy <gopikannan.venugopalsamy@gmail.com>
Gosuke Miyashita <gosukenator@gmail.com>
Gou Rao <gou@portworx.com>
Govinda Fichtner <govinda.fichtner@googlemail.com>
Grant Millar <grant@cylo.io>
Grant Millar <rid@cylo.io>
Grant Reaber <grant.reaber@gmail.com>
Graydon Hoare <graydon@pobox.com>
Greg Fausak <greg@tacodata.com>
@ -724,14 +753,17 @@ Guruprasad <lgp171188@gmail.com>
Gustav Sinder <gustav.sinder@gmail.com>
gwx296173 <gaojing3@huawei.com>
Günter Zöchbauer <guenter@gzoechbauer.com>
Haichao Yang <yang.haichao@zte.com.cn>
haikuoliu <haikuo@amazon.com>
Hakan Özler <hakan.ozler@kodcu.com>
Hamish Hutchings <moredhel@aoeu.me>
Hannes Ljungberg <hannes@5monkeys.se>
Hans Kristian Flaatten <hans@starefossen.com>
Hans Rødtang <hansrodtang@gmail.com>
Hao Shu Wei <haosw@cn.ibm.com>
Hao Zhang <21521210@zju.edu.cn>
Harald Albers <github@albersweb.de>
Harald Niesche <harald@niesche.de>
Harley Laue <losinggeneration@gmail.com>
Harold Cooper <hrldcpr@gmail.com>
Harrison Turton <harrisonturton@gmail.com>
@ -751,9 +783,13 @@ Hobofan <goisser94@gmail.com>
Hollie Teal <hollie@docker.com>
Hong Xu <hong@topbug.net>
Hongbin Lu <hongbin034@gmail.com>
Hongxu Jia <hongxu.jia@windriver.com>
Honza Pokorny <me@honza.ca>
Hsing-Hui Hsu <hsinghui@amazon.com>
hsinko <21551195@zju.edu.cn>
Hu Keping <hukeping@huawei.com>
Hu Tao <hutao@cn.fujitsu.com>
HuanHuan Ye <logindaveye@gmail.com>
Huanzhong Zhang <zhanghuanzhong90@gmail.com>
Huayi Zhang <irachex@gmail.com>
Hugo Duncan <hugo@hugoduncan.org>
@ -790,6 +826,7 @@ Ingo Gottwald <in.gottwald@gmail.com>
Innovimax <innovimax@gmail.com>
Isaac Dupree <antispam@idupree.com>
Isabel Jimenez <contact.isabeljimenez@gmail.com>
Isaiah Grace <irgkenya4@gmail.com>
Isao Jonas <isao.jonas@gmail.com>
Iskander Sharipov <quasilyte@gmail.com>
Ivan Babrou <ibobrik@gmail.com>
@ -805,6 +842,7 @@ Jacob Edelman <edelman.jd@gmail.com>
Jacob Tomlinson <jacob@tom.linson.uk>
Jacob Vallejo <jakeev@amazon.com>
Jacob Wen <jian.w.wen@oracle.com>
Jaime Cepeda <jcepedavillamayor@gmail.com>
Jaivish Kothari <janonymous.codevulture@gmail.com>
Jake Champlin <jake.champlin.27@gmail.com>
Jake Moshenko <jake@devtable.com>
@ -819,12 +857,13 @@ James Kyburz <james.kyburz@gmail.com>
James Kyle <james@jameskyle.org>
James Lal <james@lightsofapollo.com>
James Mills <prologic@shortcircuit.net.au>
James Nesbitt <james.nesbitt@wunderkraut.com>
James Nesbitt <jnesbitt@mirantis.com>
James Nugent <james@jen20.com>
James Turnbull <james@lovedthanlost.net>
James Watkins-Harvey <jwatkins@progi-media.com>
Jamie Hannaford <jamie@limetree.org>
Jamshid Afshar <jafshar@yahoo.com>
Jan Chren <dev.rindeal@gmail.com>
Jan Keromnes <janx@linux.com>
Jan Koprowski <jan.koprowski@gmail.com>
Jan Pazdziora <jpazdziora@redhat.com>
@ -839,6 +878,7 @@ Jared Hocutt <jaredh@netapp.com>
Jaroslaw Zabiello <hipertracker@gmail.com>
jaseg <jaseg@jaseg.net>
Jasmine Hegman <jasmine@jhegman.com>
Jason A. Donenfeld <Jason@zx2c4.com>
Jason Divock <jdivock@gmail.com>
Jason Giedymin <jasong@apache.org>
Jason Green <Jason.Green@AverInformatics.Com>
@ -886,7 +926,7 @@ Jeroen Franse <jeroenfranse@gmail.com>
Jeroen Jacobs <github@jeroenj.be>
Jesse Dearing <jesse.dearing@gmail.com>
Jesse Dubay <jesse@thefortytwo.net>
Jessica Frazelle <acidburn@microsoft.com>
Jessica Frazelle <jess@oxide.computer>
Jezeniel Zapanta <jpzapanta22@gmail.com>
Jhon Honce <jhonce@redhat.com>
Ji.Zhilong <zhilongji@gmail.com>
@ -894,9 +934,11 @@ Jian Liao <jliao@alauda.io>
Jian Zhang <zhangjian.fnst@cn.fujitsu.com>
Jiang Jinyang <jjyruby@gmail.com>
Jie Luo <luo612@zju.edu.cn>
Jie Ma <jienius@outlook.com>
Jihyun Hwang <jhhwang@telcoware.com>
Jilles Oldenbeuving <ojilles@gmail.com>
Jim Alateras <jima@comware.com.au>
Jim Ehrismann <jim.ehrismann@docker.com>
Jim Galasyn <jim.galasyn@docker.com>
Jim Minter <jminter@redhat.com>
Jim Perrin <jperrin@centos.org>
@ -934,7 +976,7 @@ John Feminella <jxf@jxf.me>
John Gardiner Myers <jgmyers@proofpoint.com>
John Gossman <johngos@microsoft.com>
John Harris <john@johnharris.io>
John Howard (VM) <John.Howard@microsoft.com>
John Howard <github@lowenna.com>
John Laswell <john.n.laswell@gmail.com>
John Maguire <jmaguire@duosecurity.com>
John Mulhausen <john@docker.com>
@ -948,6 +990,8 @@ John Willis <john.willis@docker.com>
Jon Johnson <jonjohnson@google.com>
Jon Surrell <jon.surrell@gmail.com>
Jon Wedaman <jweede@gmail.com>
Jonas Dohse <jonas@dohse.ch>
Jonas Heinrich <Jonas@JonasHeinrich.com>
Jonas Pfenniger <jonas@pfenniger.name>
Jonathan A. Schweder <jonathanschweder@gmail.com>
Jonathan A. Sternberg <jonathansternberg@gmail.com>
@ -997,10 +1041,13 @@ Julien Dubois <julien.dubois@gmail.com>
Julien Kassar <github@kassisol.com>
Julien Maitrehenry <julien.maitrehenry@me.com>
Julien Pervillé <julien.perville@perfect-memory.com>
Julien Pivotto <roidelapluie@inuits.eu>
Julio Guerra <julio@sqreen.com>
Julio Montes <imc.coder@gmail.com>
Jun-Ru Chang <jrjang@gmail.com>
Jussi Nummelin <jussi.nummelin@gmail.com>
Justas Brazauskas <brazauskasjustas@gmail.com>
Justen Martin <jmart@the-coder.com>
Justin Cormack <justin.cormack@docker.com>
Justin Force <justin.force@gmail.com>
Justin Menga <justin.menga@gmail.com>
@ -1009,6 +1056,7 @@ Justin Simonelis <justin.p.simonelis@gmail.com>
Justin Terry <juterry@microsoft.com>
Justyn Temme <justyntemme@gmail.com>
Jyrki Puttonen <jyrkiput@gmail.com>
Jérémy Leherpeur <amenophis@leherpeur.net>
Jérôme Petazzoni <jerome.petazzoni@docker.com>
Jörg Thalheim <joerg@higgsboson.tk>
K. Heller <pestophagous@gmail.com>
@ -1046,6 +1094,7 @@ Ken Reese <krrgithub@gmail.com>
Kenfe-Mickaël Laventure <mickael.laventure@gmail.com>
Kenjiro Nakayama <nakayamakenjiro@gmail.com>
Kent Johnson <kentoj@gmail.com>
Kenta Tada <Kenta.Tada@sony.com>
Kevin "qwazerty" Houdebert <kevin.houdebert@gmail.com>
Kevin Burke <kev@inburke.com>
Kevin Clark <kevin.clark@gmail.com>
@ -1056,6 +1105,7 @@ Kevin Kern <kaiwentan@harmonycloud.cn>
Kevin Menard <kevin@nirvdrum.com>
Kevin Meredith <kevin.m.meredith@gmail.com>
Kevin P. Kucharczyk <kevinkucharczyk@gmail.com>
Kevin Parsons <kevpar@microsoft.com>
Kevin Richardson <kevin@kevinrichardson.co>
Kevin Shi <kshi@andrew.cmu.edu>
Kevin Wallace <kevin@pentabarf.net>
@ -1146,6 +1196,7 @@ longliqiang88 <394564827@qq.com>
Lorenz Leutgeb <lorenz.leutgeb@gmail.com>
Lorenzo Fontana <fontanalorenz@gmail.com>
Lotus Fenn <fenn.lotus@gmail.com>
Louis Delossantos <ldelossa.ld@gmail.com>
Louis Opter <kalessin@kalessin.fr>
Luca Favatella <luca.favatella@erlang-solutions.com>
Luca Marturana <lucamarturana@gmail.com>
@ -1154,9 +1205,11 @@ Luca-Bogdan Grigorescu <Luca-Bogdan Grigorescu>
Lucas Chan <lucas-github@lucaschan.com>
Lucas Chi <lucas@teacherspayteachers.com>
Lucas Molas <lmolas@fundacionsadosky.org.ar>
Lucas Silvestre <lukas.silvestre@gmail.com>
Luciano Mores <leslau@gmail.com>
Luis Martínez de Bartolomé Izquierdo <lmartinez@biicode.com>
Luiz Svoboda <luizek@gmail.com>
Lukas Heeren <lukas-heeren@hotmail.com>
Lukas Waslowski <cr7pt0gr4ph7@gmail.com>
lukaspustina <lukas.pustina@centerdevice.com>
Lukasz Zajaczkowski <Lukasz.Zajaczkowski@ts.fujitsu.com>
@ -1256,6 +1309,7 @@ Matthieu Hauglustaine <matt.hauglustaine@gmail.com>
Mattias Jernberg <nostrad@gmail.com>
Mauricio Garavaglia <mauricio@medallia.com>
mauriyouth <mauriyouth@gmail.com>
Max Harmathy <max.harmathy@web.de>
Max Shytikov <mshytikov@gmail.com>
Maxim Fedchyshyn <sevmax@gmail.com>
Maxim Ivanov <ivanov.maxim@gmail.com>
@ -1296,6 +1350,7 @@ Michael Stapelberg <michael+gh@stapelberg.de>
Michael Steinert <mike.steinert@gmail.com>
Michael Thies <michaelthies78@gmail.com>
Michael West <mwest@mdsol.com>
Michael Zhao <michael.zhao@arm.com>
Michal Fojtik <mfojtik@redhat.com>
Michal Gebauer <mishak@mishak.net>
Michal Jemala <michal.jemala@gmail.com>
@ -1312,6 +1367,7 @@ Miguel Morales <mimoralea@gmail.com>
Mihai Borobocea <MihaiBorob@gmail.com>
Mihuleacc Sergiu <mihuleac.sergiu@gmail.com>
Mike Brown <brownwm@us.ibm.com>
Mike Bush <mpbush@gmail.com>
Mike Casas <mkcsas0@gmail.com>
Mike Chelen <michael.chelen@gmail.com>
Mike Danese <mikedanese@google.com>
@ -1380,6 +1436,7 @@ Neyazul Haque <nuhaque@gmail.com>
Nghia Tran <nghia@google.com>
Niall O'Higgins <niallo@unworkable.org>
Nicholas E. Rabenau <nerab@gmx.at>
Nick Adcock <nick.adcock@docker.com>
Nick DeCoursin <n.decoursin@foodpanda.com>
Nick Irvine <nfirvine@nfirvine.com>
Nick Neisen <nwneisen@gmail.com>
@ -1403,6 +1460,7 @@ Nik Nyby <nikolas@gnu.org>
Nikhil Chawla <chawlanikhil24@gmail.com>
NikolaMandic <mn080202@gmail.com>
Nikolas Garofil <nikolas.garofil@uantwerpen.be>
Nikolay Edigaryev <edigaryev@gmail.com>
Nikolay Milovanov <nmil@itransformers.net>
Nirmal Mehta <nirmalkmehta@gmail.com>
Nishant Totla <nishanttotla@gmail.com>
@ -1418,6 +1476,7 @@ Nuutti Kotivuori <naked@iki.fi>
nzwsch <hi@nzwsch.com>
O.S. Tezer <ostezer@gmail.com>
objectified <objectified@gmail.com>
Odin Ugedal <odin@ugedal.com>
Oguz Bilgic <fisyonet@gmail.com>
Oh Jinkyun <tintypemolly@gmail.com>
Ohad Schneider <ohadschn@users.noreply.github.com>
@ -1428,6 +1487,7 @@ Oliver Reason <oli@overrateddev.co>
Olivier Gambier <dmp42@users.noreply.github.com>
Olle Jonsson <olle.jonsson@gmail.com>
Olli Janatuinen <olli.janatuinen@gmail.com>
Olly Pomeroy <oppomeroy@gmail.com>
Omri Shiv <Omri.Shiv@teradata.com>
Oriol Francès <oriolfa@gmail.com>
Oskar Niburski <oskarniburski@gmail.com>
@ -1437,6 +1497,7 @@ Ovidio Mallo <ovidio.mallo@gmail.com>
Panagiotis Moustafellos <pmoust@elastic.co>
Paolo G. Giarrusso <p.giarrusso@gmail.com>
Pascal <pascalgn@users.noreply.github.com>
Pascal Bach <pascal.bach@siemens.com>
Pascal Borreli <pascal@borreli.com>
Pascal Hartig <phartig@rdrei.net>
Patrick Böänziger <patrick.baenziger@bsi-software.com>
@ -1461,6 +1522,7 @@ Paul Nasrat <pnasrat@gmail.com>
Paul Weaver <pauweave@cisco.com>
Paulo Ribeiro <paigr.io@gmail.com>
Pavel Lobashov <ShockwaveNN@gmail.com>
Pavel Matěja <pavel@verotel.cz>
Pavel Pletenev <cpp.create@gmail.com>
Pavel Pospisil <pospispa@gmail.com>
Pavel Sutyrin <pavel.sutyrin@gmail.com>
@ -1572,6 +1634,7 @@ Riku Voipio <riku.voipio@linaro.org>
Riley Guerin <rileytg.dev@gmail.com>
Ritesh H Shukla <sritesh@vmware.com>
Riyaz Faizullabhoy <riyaz.faizullabhoy@docker.com>
Rob Gulewich <rgulewich@netflix.com>
Rob Vesse <rvesse@dotnetrdf.org>
Robert Bachmann <rb@robertbachmann.at>
Robert Bittle <guywithnose@gmail.com>
@ -1580,11 +1643,13 @@ Robert Schneider <mail@shakeme.info>
Robert Stern <lexandro2000@gmail.com>
Robert Terhaar <rterhaar@atlanticdynamic.com>
Robert Wallis <smilingrob@gmail.com>
Robert Wang <robert@arctic.tw>
Roberto G. Hashioka <roberto.hashioka@docker.com>
Roberto Muñoz Fernández <robertomf@gmail.com>
Robin Naundorf <r.naundorf@fh-muenster.de>
Robin Schneider <ypid@riseup.net>
Robin Speekenbrink <robin@kingsquare.nl>
Robin Thoni <robin@rthoni.com>
robpc <rpcann@gmail.com>
Rodolfo Carvalho <rhcarvalho@gmail.com>
Rodrigo Vaz <rodrigo.vaz@gmail.com>
@ -1599,6 +1664,7 @@ Roland Kammerer <roland.kammerer@linbit.com>
Roland Moriz <rmoriz@users.noreply.github.com>
Roma Sokolov <sokolov.r.v@gmail.com>
Roman Dudin <katrmr@gmail.com>
Roman Mazur <roman@balena.io>
Roman Strashkin <roman.strashkin@gmail.com>
Ron Smits <ron.smits@gmail.com>
Ron Williams <ron.a.williams@gmail.com>
@ -1618,6 +1684,7 @@ Rozhnov Alexandr <nox73@ya.ru>
Rudolph Gottesheim <r.gottesheim@loot.at>
Rui Cao <ruicao@alauda.io>
Rui Lopes <rgl@ruilopes.com>
Ruilin Li <liruilin4@huawei.com>
Runshen Zhu <runshen.zhu@gmail.com>
Russ Magee <rmagee@gmail.com>
Ryan Abrams <rdabrams@gmail.com>
@ -1656,6 +1723,7 @@ Sam J Sharpe <sam.sharpe@digital.cabinet-office.gov.uk>
Sam Neirinck <sam@samneirinck.com>
Sam Reis <sreis@atlassian.com>
Sam Rijs <srijs@airpost.net>
Sam Whited <sam@samwhited.com>
Sambuddha Basu <sambuddhabasu1@gmail.com>
Sami Wagiaalla <swagiaal@redhat.com>
Samuel Andaya <samuel@andaya.net>
@ -1670,6 +1738,7 @@ sapphiredev <se.imas.kr@gmail.com>
Sargun Dhillon <sargun@netflix.com>
Sascha Andres <sascha.andres@outlook.com>
Sascha Grunert <sgrunert@suse.com>
SataQiu <qiushida@beyondcent.com>
Satnam Singh <satnam@raintown.org>
Satoshi Amemiya <satoshi_amemiya@voyagegroup.com>
Satoshi Tagomori <tagomoris@gmail.com>
@ -1718,6 +1787,7 @@ Shijun Qin <qinshijun16@mails.ucas.ac.cn>
Shishir Mahajan <shishir.mahajan@redhat.com>
Shoubhik Bose <sbose78@gmail.com>
Shourya Sarcar <shourya.sarcar@gmail.com>
Shu-Wai Chow <shu-wai.chow@seattlechildrens.org>
shuai-z <zs.broccoli@gmail.com>
Shukui Yang <yangshukui@huawei.com>
Shuwei Hao <haosw@cn.ibm.com>
@ -1728,6 +1798,7 @@ Silas Sewell <silas@sewell.org>
Silvan Jegen <s.jegen@gmail.com>
Simão Reis <smnrsti@gmail.com>
Simei He <hesimei@zju.edu.cn>
Simon Barendse <simon.barendse@gmail.com>
Simon Eskildsen <sirup@sirupsen.com>
Simon Ferquel <simon.ferquel@docker.com>
Simon Leinen <simon.leinen@gmail.com>
@ -1736,6 +1807,7 @@ Simon Taranto <simon.taranto@gmail.com>
Simon Vikstrom <pullreq@devsn.se>
Sindhu S <sindhus@live.in>
Sjoerd Langkemper <sjoerd-github@linuxonly.nl>
skanehira <sho19921005@gmail.com>
Solganik Alexander <solganik@gmail.com>
Solomon Hykes <solomon@docker.com>
Song Gao <song@gao.io>
@ -1747,18 +1819,21 @@ Sridatta Thatipamala <sthatipamala@gmail.com>
Sridhar Ratnakumar <sridharr@activestate.com>
Srini Brahmaroutu <srbrahma@us.ibm.com>
Srinivasan Srivatsan <srinivasan.srivatsan@hpe.com>
Staf Wagemakers <staf@wagemakers.be>
Stanislav Bondarenko <stanislav.bondarenko@gmail.com>
Stanislav Levin <slev@altlinux.org>
Steeve Morin <steeve.morin@gmail.com>
Stefan Berger <stefanb@linux.vnet.ibm.com>
Stefan J. Wernli <swernli@microsoft.com>
Stefan Praszalowicz <stefan@greplin.com>
Stefan S. <tronicum@user.github.com>
Stefan Scherer <scherer_stefan@icloud.com>
Stefan Scherer <stefan.scherer@docker.com>
Stefan Staudenmeyer <doerte@instana.com>
Stefan Weil <sw@weilnetz.de>
Stephan Spindler <shutefan@gmail.com>
Stephen Benjamin <stephen@redhat.com>
Stephen Crosby <stevecrozz@gmail.com>
Stephen Day <stephen.day@docker.com>
Stephen Day <stevvooe@gmail.com>
Stephen Drake <stephen@xenolith.net>
Stephen Rust <srust@blockbridge.com>
Steve Desmond <steve@vtsv.ca>
@ -1773,10 +1848,12 @@ Steven Iveson <sjiveson@outlook.com>
Steven Merrill <steven.merrill@gmail.com>
Steven Richards <steven@axiomzen.co>
Steven Taylor <steven.taylor@me.com>
Stig Larsson <stig@larsson.dev>
Subhajit Ghosh <isubuz.g@gmail.com>
Sujith Haridasan <sujith.h@gmail.com>
Sun Gengze <690388648@qq.com>
Sun Jianbo <wonderflow.sun@gmail.com>
Sune Keller <sune.keller@gmail.com>
Sunny Gogoi <indiasuny000@gmail.com>
Suryakumar Sudar <surya.trunks@gmail.com>
Sven Dowideit <SvenDowideit@home.org.au>
@ -1827,6 +1904,8 @@ Tianyi Wang <capkurmagati@gmail.com>
Tibor Vass <teabee89@gmail.com>
Tiffany Jernigan <tiffany.f.j@gmail.com>
Tiffany Low <tiffany@box.com>
Till Wegmüller <toasterson@gmail.com>
Tim <elatllat@gmail.com>
Tim Bart <tim@fewagainstmany.com>
Tim Bosse <taim@bosboot.org>
Tim Dettrick <t.dettrick@uq.edu.au>
@ -1878,7 +1957,7 @@ Tony Miller <mcfiredrill@gmail.com>
toogley <toogley@mailbox.org>
Torstein Husebø <torstein@huseboe.net>
Tõnis Tiigi <tonistiigi@gmail.com>
tpng <benny.tpng@gmail.com>
Trace Andreason <tandreason@gmail.com>
tracylihui <793912329@qq.com>
Trapier Marshall <trapier.marshall@docker.com>
Travis Cline <travis.cline@gmail.com>
@ -1901,6 +1980,7 @@ Utz Bacher <utz.bacher@de.ibm.com>
vagrant <vagrant@ubuntu-14.04-amd64-vbox>
Vaidas Jablonskis <jablonskis@gmail.com>
vanderliang <lansheng@meili-inc.com>
Velko Ivanov <vivanov@deeperplane.com>
Veres Lajos <vlajos@gmail.com>
Victor Algaze <valgaze@gmail.com>
Victor Coisne <victor.coisne@dotcloud.com>
@ -1912,11 +1992,13 @@ Victor Palma <palma.victor@gmail.com>
Victor Vieux <victor.vieux@docker.com>
Victoria Bialas <victoria.bialas@docker.com>
Vijaya Kumar K <vijayak@caviumnetworks.com>
Vikram bir Singh <vsingh@mirantis.com>
Viktor Stanchev <me@viktorstanchev.com>
Viktor Vojnovski <viktor.vojnovski@amadeus.com>
VinayRaghavanKS <raghavan.vinay@gmail.com>
Vincent Batts <vbatts@redhat.com>
Vincent Bernat <Vincent.Bernat@exoscale.ch>
Vincent Boulineau <vincent.boulineau@datadoghq.com>
Vincent Demeester <vincent.demeester@docker.com>
Vincent Giersch <vincent.giersch@ovh.net>
Vincent Mayers <vincent.mayers@inbloom.org>
@ -1947,6 +2029,8 @@ Wang Long <long.wanglong@huawei.com>
Wang Ping <present.wp@icloud.com>
Wang Xing <hzwangxing@corp.netease.com>
Wang Yuexiao <wang.yuexiao@zte.com.cn>
Wang Yumu <37442693@qq.com>
wanghuaiqing <wanghuaiqing@loongson.cn>
Ward Vandewege <ward@jhvc.com>
WarheadsSE <max@warheads.net>
Wassim Dhif <wassimdhif@gmail.com>
@ -1963,12 +2047,14 @@ Wen Cheng Ma <wenchma@cn.ibm.com>
Wendel Fleming <wfleming@usc.edu>
Wenjun Tang <tangwj2@lenovo.com>
Wenkai Yin <yinw@vmware.com>
wenlxie <wenlxie@ebay.com>
Wentao Zhang <zhangwentao234@huawei.com>
Wenxuan Zhao <viz@linux.com>
Wenyu You <21551128@zju.edu.cn>
Wenzhi Liang <wenzhi.liang@gmail.com>
Wes Morgan <cap10morgan@gmail.com>
Wewang Xiaorenfine <wang.xiaoren@zte.com.cn>
Wiktor Kwapisiewicz <wiktor@metacode.biz>
Will Dietz <w@wdtz.org>
Will Rouesnel <w.rouesnel@gmail.com>
Will Weaver <monkey@buildingbananas.com>
@ -1979,6 +2065,8 @@ William Hubbs <w.d.hubbs@gmail.com>
William Martin <wmartin@pivotal.io>
William Riancho <wr.wllm@gmail.com>
William Thurston <thurstw@amazon.com>
Wilson Júnior <wilsonpjunior@gmail.com>
Wing-Kam Wong <wingkwong.code@gmail.com>
WiseTrem <shepelyov.g@gmail.com>
Wolfgang Powisch <powo@powo.priv.at>
Wonjun Kim <wonjun.kim@navercorp.com>
@ -1988,6 +2076,7 @@ Xianglin Gao <xlgao@zju.edu.cn>
Xianlu Bird <xianlubird@gmail.com>
Xiao YongBiao <xyb4638@gmail.com>
XiaoBing Jiang <s7v7nislands@gmail.com>
Xiaodong Liu <liuxiaodong@loongson.cn>
Xiaodong Zhang <a4012017@sina.com>
Xiaoxi He <xxhe@alauda.io>
Xiaoxu Chen <chenxiaoxu14@otcaix.iscas.ac.cn>
@ -1996,6 +2085,7 @@ xichengliudui <1693291525@qq.com>
xiekeyang <xiekeyang@huawei.com>
Ximo Guanter Gonzálbez <joaquin.guantergonzalbez@telefonica.com>
Xinbo Weng <xihuanbo_0521@zju.edu.cn>
Xinfeng Liu <xinfeng.liu@gmail.com>
Xinzi Zhou <imdreamrunner@gmail.com>
Xiuming Chen <cc@cxm.cc>
Xuecong Liao <satorulogic@gmail.com>
@ -2010,6 +2100,7 @@ Yang Pengfei <yangpengfei4@huawei.com>
yangchenliang <yangchenliang@huawei.com>
Yanqiang Miao <miao.yanqiang@zte.com.cn>
Yao Zaiyong <yaozaiyong@hotmail.com>
Yash Murty <yashmurty@gmail.com>
Yassine Tijani <yasstij11@gmail.com>
Yasunori Mahata <nori@mahata.net>
Yazhong Liu <yorkiefixer@gmail.com>
@ -2024,6 +2115,7 @@ Yongxin Li <yxli@alauda.io>
Yongzhi Pan <panyongzhi@gmail.com>
Yosef Fertel <yfertel@gmail.com>
You-Sheng Yang (楊有勝) <vicamo@gmail.com>
youcai <omegacoleman@gmail.com>
Youcef YEKHLEF <yyekhlef@gmail.com>
Yu Changchun <yuchangchun1@huawei.com>
Yu Chengxia <yuchengxia@huawei.com>
@ -2055,11 +2147,13 @@ Zhenan Ye <21551168@zju.edu.cn>
zhenghenghuo <zhenghenghuo@zju.edu.cn>
Zhenhai Gao <gaozh1988@live.com>
Zhenkun Bi <bi.zhenkun@zte.com.cn>
zhipengzuo <zuozhipeng@baidu.com>
Zhou Hao <zhouhao@cn.fujitsu.com>
Zhoulin Xie <zhoulin.xie@daocloud.io>
Zhu Guihua <zhugh.fnst@cn.fujitsu.com>
Zhu Kunjia <zhu.kunjia@zte.com.cn>
Zhuoyun Wei <wzyboy@wzyboy.org>
Ziheng Liu <lzhfromustc@gmail.com>
Zilin Du <zilin.du@gmail.com>
zimbatm <zimbatm@zimbatm.com>
Ziming Dong <bnudzm@foxmail.com>
@ -2068,12 +2162,13 @@ zmarouf <zeid.marouf@gmail.com>
Zoltan Tombol <zoltan.tombol@gmail.com>
Zou Yu <zouyu7@huawei.com>
zqh <zqhxuyuan@gmail.com>
Zuhayr Elahi <elahi.zuhayr@gmail.com>
Zuhayr Elahi <zuhayr.elahi@docker.com>
Zunayed Ali <zunayed@gmail.com>
Álex González <agonzalezro@gmail.com>
Álvaro Lázaro <alvaro.lazaro.g@gmail.com>
Átila Camurça Alves <camurca.home@gmail.com>
尹吉峰 <jifeng.yin@gmail.com>
屈骏 <qujun@tiduyun.com>
徐俊杰 <paco.xu@daocloud.io>
慕陶 <jihui.xjh@alibaba-inc.com>
搏通 <yufeng.pyf@alibaba-inc.com>

View File

@ -5,24 +5,8 @@ import (
"os"
"path/filepath"
"strings"
"github.com/docker/docker/pkg/idtools"
)
// GetStatic returns the home directory for the current user without calling
// os/user.Current(). This is useful for static-linked binary on glibc-based
// system, because a call to os/user.Current() in a static binary leads to
// segfault due to a glibc issue that won't be fixed in a short term.
// (#29344, golang/go#13470, https://sourceware.org/bugzilla/show_bug.cgi?id=19341)
func GetStatic() (string, error) {
uid := os.Getuid()
usr, err := idtools.LookupUID(uid)
if err != nil {
return "", err
}
return usr.Home, nil
}
// GetRuntimeDir returns XDG_RUNTIME_DIR.
// XDG_RUNTIME_DIR is typically configured via pam_systemd.
// GetRuntimeDir returns non-nil error if XDG_RUNTIME_DIR is not set.

View File

@ -1,3 +1,4 @@
//go:build !linux
// +build !linux
package homedir // import "github.com/docker/docker/pkg/homedir"
@ -6,12 +7,6 @@ import (
"errors"
)
// GetStatic is not needed for non-linux systems.
// (Precisely, it is needed only for glibc-based linux systems.)
func GetStatic() (string, error) {
return "", errors.New("homedir.GetStatic() is not supported on this system")
}
// GetRuntimeDir is unsupported on non-linux system.
func GetRuntimeDir() (string, error) {
return "", errors.New("homedir.GetRuntimeDir() is not supported on this system")

View File

@ -1,11 +1,11 @@
//go:build !windows
// +build !windows
package homedir // import "github.com/docker/docker/pkg/homedir"
import (
"os"
"github.com/opencontainers/runc/libcontainer/user"
"os/user"
)
// Key returns the env var name for the user's home dir based on
@ -17,11 +17,16 @@ func Key() string {
// Get returns the home directory of the current user with the help of
// environment variables depending on the target operating system.
// Returned path should be used with "path/filepath" to form new paths.
//
// If linking statically with cgo enabled against glibc, ensure the
// osusergo build tag is used.
//
// If needing to do nss lookups, do not disable cgo or set osusergo.
func Get() string {
home := os.Getenv(Key())
if home == "" {
if u, err := user.CurrentUser(); err == nil {
return u.Home
if u, err := user.Current(); err == nil {
return u.HomeDir
}
}
return home

View File

@ -1,264 +0,0 @@
package idtools // import "github.com/docker/docker/pkg/idtools"
import (
"bufio"
"fmt"
"os"
"strconv"
"strings"
)
// IDMap contains a single entry for user namespace range remapping. An array
// of IDMap entries represents the structure that will be provided to the Linux
// kernel for creating a user namespace.
type IDMap struct {
ContainerID int `json:"container_id"`
HostID int `json:"host_id"`
Size int `json:"size"`
}
type subIDRange struct {
Start int
Length int
}
type ranges []subIDRange
func (e ranges) Len() int { return len(e) }
func (e ranges) Swap(i, j int) { e[i], e[j] = e[j], e[i] }
func (e ranges) Less(i, j int) bool { return e[i].Start < e[j].Start }
const (
subuidFileName = "/etc/subuid"
subgidFileName = "/etc/subgid"
)
// MkdirAllAndChown creates a directory (include any along the path) and then modifies
// ownership to the requested uid/gid. If the directory already exists, this
// function will still change ownership to the requested uid/gid pair.
func MkdirAllAndChown(path string, mode os.FileMode, owner Identity) error {
return mkdirAs(path, mode, owner, true, true)
}
// MkdirAndChown creates a directory and then modifies ownership to the requested uid/gid.
// If the directory already exists, this function still changes ownership.
// Note that unlike os.Mkdir(), this function does not return IsExist error
// in case path already exists.
func MkdirAndChown(path string, mode os.FileMode, owner Identity) error {
return mkdirAs(path, mode, owner, false, true)
}
// MkdirAllAndChownNew creates a directory (include any along the path) and then modifies
// ownership ONLY of newly created directories to the requested uid/gid. If the
// directories along the path exist, no change of ownership will be performed
func MkdirAllAndChownNew(path string, mode os.FileMode, owner Identity) error {
return mkdirAs(path, mode, owner, true, false)
}
// GetRootUIDGID retrieves the remapped root uid/gid pair from the set of maps.
// If the maps are empty, then the root uid/gid will default to "real" 0/0
func GetRootUIDGID(uidMap, gidMap []IDMap) (int, int, error) {
uid, err := toHost(0, uidMap)
if err != nil {
return -1, -1, err
}
gid, err := toHost(0, gidMap)
if err != nil {
return -1, -1, err
}
return uid, gid, nil
}
// toContainer takes an id mapping, and uses it to translate a
// host ID to the remapped ID. If no map is provided, then the translation
// assumes a 1-to-1 mapping and returns the passed in id
func toContainer(hostID int, idMap []IDMap) (int, error) {
if idMap == nil {
return hostID, nil
}
for _, m := range idMap {
if (hostID >= m.HostID) && (hostID <= (m.HostID + m.Size - 1)) {
contID := m.ContainerID + (hostID - m.HostID)
return contID, nil
}
}
return -1, fmt.Errorf("Host ID %d cannot be mapped to a container ID", hostID)
}
// toHost takes an id mapping and a remapped ID, and translates the
// ID to the mapped host ID. If no map is provided, then the translation
// assumes a 1-to-1 mapping and returns the passed in id #
func toHost(contID int, idMap []IDMap) (int, error) {
if idMap == nil {
return contID, nil
}
for _, m := range idMap {
if (contID >= m.ContainerID) && (contID <= (m.ContainerID + m.Size - 1)) {
hostID := m.HostID + (contID - m.ContainerID)
return hostID, nil
}
}
return -1, fmt.Errorf("Container ID %d cannot be mapped to a host ID", contID)
}
// Identity is either a UID and GID pair or a SID (but not both)
type Identity struct {
UID int
GID int
SID string
}
// IdentityMapping contains a mappings of UIDs and GIDs
type IdentityMapping struct {
uids []IDMap
gids []IDMap
}
// NewIdentityMapping takes a requested user and group name and
// using the data from /etc/sub{uid,gid} ranges, creates the
// proper uid and gid remapping ranges for that user/group pair
func NewIdentityMapping(username, groupname string) (*IdentityMapping, error) {
subuidRanges, err := parseSubuid(username)
if err != nil {
return nil, err
}
subgidRanges, err := parseSubgid(groupname)
if err != nil {
return nil, err
}
if len(subuidRanges) == 0 {
return nil, fmt.Errorf("No subuid ranges found for user %q", username)
}
if len(subgidRanges) == 0 {
return nil, fmt.Errorf("No subgid ranges found for group %q", groupname)
}
return &IdentityMapping{
uids: createIDMap(subuidRanges),
gids: createIDMap(subgidRanges),
}, nil
}
// NewIDMappingsFromMaps creates a new mapping from two slices
// Deprecated: this is a temporary shim while transitioning to IDMapping
func NewIDMappingsFromMaps(uids []IDMap, gids []IDMap) *IdentityMapping {
return &IdentityMapping{uids: uids, gids: gids}
}
// RootPair returns a uid and gid pair for the root user. The error is ignored
// because a root user always exists, and the defaults are correct when the uid
// and gid maps are empty.
func (i *IdentityMapping) RootPair() Identity {
uid, gid, _ := GetRootUIDGID(i.uids, i.gids)
return Identity{UID: uid, GID: gid}
}
// ToHost returns the host UID and GID for the container uid, gid.
// Remapping is only performed if the ids aren't already the remapped root ids
func (i *IdentityMapping) ToHost(pair Identity) (Identity, error) {
var err error
target := i.RootPair()
if pair.UID != target.UID {
target.UID, err = toHost(pair.UID, i.uids)
if err != nil {
return target, err
}
}
if pair.GID != target.GID {
target.GID, err = toHost(pair.GID, i.gids)
}
return target, err
}
// ToContainer returns the container UID and GID for the host uid and gid
func (i *IdentityMapping) ToContainer(pair Identity) (int, int, error) {
uid, err := toContainer(pair.UID, i.uids)
if err != nil {
return -1, -1, err
}
gid, err := toContainer(pair.GID, i.gids)
return uid, gid, err
}
// Empty returns true if there are no id mappings
func (i *IdentityMapping) Empty() bool {
return len(i.uids) == 0 && len(i.gids) == 0
}
// UIDs return the UID mapping
// TODO: remove this once everything has been refactored to use pairs
func (i *IdentityMapping) UIDs() []IDMap {
return i.uids
}
// GIDs return the UID mapping
// TODO: remove this once everything has been refactored to use pairs
func (i *IdentityMapping) GIDs() []IDMap {
return i.gids
}
func createIDMap(subidRanges ranges) []IDMap {
idMap := []IDMap{}
containerID := 0
for _, idrange := range subidRanges {
idMap = append(idMap, IDMap{
ContainerID: containerID,
HostID: idrange.Start,
Size: idrange.Length,
})
containerID = containerID + idrange.Length
}
return idMap
}
func parseSubuid(username string) (ranges, error) {
return parseSubidFile(subuidFileName, username)
}
func parseSubgid(username string) (ranges, error) {
return parseSubidFile(subgidFileName, username)
}
// parseSubidFile will read the appropriate file (/etc/subuid or /etc/subgid)
// and return all found ranges for a specified username. If the special value
// "ALL" is supplied for username, then all ranges in the file will be returned
func parseSubidFile(path, username string) (ranges, error) {
var rangeList ranges
subidFile, err := os.Open(path)
if err != nil {
return rangeList, err
}
defer subidFile.Close()
s := bufio.NewScanner(subidFile)
for s.Scan() {
if err := s.Err(); err != nil {
return rangeList, err
}
text := strings.TrimSpace(s.Text())
if text == "" || strings.HasPrefix(text, "#") {
continue
}
parts := strings.Split(text, ":")
if len(parts) != 3 {
return rangeList, fmt.Errorf("Cannot parse subuid/gid information: Format not correct for %s file", path)
}
if parts[0] == username || username == "ALL" {
startid, err := strconv.Atoi(parts[1])
if err != nil {
return rangeList, fmt.Errorf("String to int conversion failed during subuid/gid parsing of %s: %v", path, err)
}
length, err := strconv.Atoi(parts[2])
if err != nil {
return rangeList, fmt.Errorf("String to int conversion failed during subuid/gid parsing of %s: %v", path, err)
}
rangeList = append(rangeList, subIDRange{startid, length})
}
}
return rangeList, nil
}

View File

@ -1,231 +0,0 @@
// +build !windows
package idtools // import "github.com/docker/docker/pkg/idtools"
import (
"bytes"
"fmt"
"io"
"os"
"path/filepath"
"strings"
"sync"
"syscall"
"github.com/docker/docker/pkg/system"
"github.com/opencontainers/runc/libcontainer/user"
)
var (
entOnce sync.Once
getentCmd string
)
func mkdirAs(path string, mode os.FileMode, owner Identity, mkAll, chownExisting bool) error {
// make an array containing the original path asked for, plus (for mkAll == true)
// all path components leading up to the complete path that don't exist before we MkdirAll
// so that we can chown all of them properly at the end. If chownExisting is false, we won't
// chown the full directory path if it exists
var paths []string
stat, err := system.Stat(path)
if err == nil {
if !stat.IsDir() {
return &os.PathError{Op: "mkdir", Path: path, Err: syscall.ENOTDIR}
}
if !chownExisting {
return nil
}
// short-circuit--we were called with an existing directory and chown was requested
return lazyChown(path, owner.UID, owner.GID, stat)
}
if os.IsNotExist(err) {
paths = []string{path}
}
if mkAll {
// walk back to "/" looking for directories which do not exist
// and add them to the paths array for chown after creation
dirPath := path
for {
dirPath = filepath.Dir(dirPath)
if dirPath == "/" {
break
}
if _, err := os.Stat(dirPath); err != nil && os.IsNotExist(err) {
paths = append(paths, dirPath)
}
}
if err := system.MkdirAll(path, mode, ""); err != nil {
return err
}
} else {
if err := os.Mkdir(path, mode); err != nil && !os.IsExist(err) {
return err
}
}
// even if it existed, we will chown the requested path + any subpaths that
// didn't exist when we called MkdirAll
for _, pathComponent := range paths {
if err := lazyChown(pathComponent, owner.UID, owner.GID, nil); err != nil {
return err
}
}
return nil
}
// CanAccess takes a valid (existing) directory and a uid, gid pair and determines
// if that uid, gid pair has access (execute bit) to the directory
func CanAccess(path string, pair Identity) bool {
statInfo, err := system.Stat(path)
if err != nil {
return false
}
fileMode := os.FileMode(statInfo.Mode())
permBits := fileMode.Perm()
return accessible(statInfo.UID() == uint32(pair.UID),
statInfo.GID() == uint32(pair.GID), permBits)
}
func accessible(isOwner, isGroup bool, perms os.FileMode) bool {
if isOwner && (perms&0100 == 0100) {
return true
}
if isGroup && (perms&0010 == 0010) {
return true
}
if perms&0001 == 0001 {
return true
}
return false
}
// LookupUser uses traditional local system files lookup (from libcontainer/user) on a username,
// followed by a call to `getent` for supporting host configured non-files passwd and group dbs
func LookupUser(username string) (user.User, error) {
// first try a local system files lookup using existing capabilities
usr, err := user.LookupUser(username)
if err == nil {
return usr, nil
}
// local files lookup failed; attempt to call `getent` to query configured passwd dbs
usr, err = getentUser(fmt.Sprintf("%s %s", "passwd", username))
if err != nil {
return user.User{}, err
}
return usr, nil
}
// LookupUID uses traditional local system files lookup (from libcontainer/user) on a uid,
// followed by a call to `getent` for supporting host configured non-files passwd and group dbs
func LookupUID(uid int) (user.User, error) {
// first try a local system files lookup using existing capabilities
usr, err := user.LookupUid(uid)
if err == nil {
return usr, nil
}
// local files lookup failed; attempt to call `getent` to query configured passwd dbs
return getentUser(fmt.Sprintf("%s %d", "passwd", uid))
}
func getentUser(args string) (user.User, error) {
reader, err := callGetent(args)
if err != nil {
return user.User{}, err
}
users, err := user.ParsePasswd(reader)
if err != nil {
return user.User{}, err
}
if len(users) == 0 {
return user.User{}, fmt.Errorf("getent failed to find passwd entry for %q", strings.Split(args, " ")[1])
}
return users[0], nil
}
// LookupGroup uses traditional local system files lookup (from libcontainer/user) on a group name,
// followed by a call to `getent` for supporting host configured non-files passwd and group dbs
func LookupGroup(groupname string) (user.Group, error) {
// first try a local system files lookup using existing capabilities
group, err := user.LookupGroup(groupname)
if err == nil {
return group, nil
}
// local files lookup failed; attempt to call `getent` to query configured group dbs
return getentGroup(fmt.Sprintf("%s %s", "group", groupname))
}
// LookupGID uses traditional local system files lookup (from libcontainer/user) on a group ID,
// followed by a call to `getent` for supporting host configured non-files passwd and group dbs
func LookupGID(gid int) (user.Group, error) {
// first try a local system files lookup using existing capabilities
group, err := user.LookupGid(gid)
if err == nil {
return group, nil
}
// local files lookup failed; attempt to call `getent` to query configured group dbs
return getentGroup(fmt.Sprintf("%s %d", "group", gid))
}
func getentGroup(args string) (user.Group, error) {
reader, err := callGetent(args)
if err != nil {
return user.Group{}, err
}
groups, err := user.ParseGroup(reader)
if err != nil {
return user.Group{}, err
}
if len(groups) == 0 {
return user.Group{}, fmt.Errorf("getent failed to find groups entry for %q", strings.Split(args, " ")[1])
}
return groups[0], nil
}
func callGetent(args string) (io.Reader, error) {
entOnce.Do(func() { getentCmd, _ = resolveBinary("getent") })
// if no `getent` command on host, can't do anything else
if getentCmd == "" {
return nil, fmt.Errorf("")
}
out, err := execCmd(getentCmd, args)
if err != nil {
exitCode, errC := system.GetExitCode(err)
if errC != nil {
return nil, err
}
switch exitCode {
case 1:
return nil, fmt.Errorf("getent reported invalid parameters/database unknown")
case 2:
terms := strings.Split(args, " ")
return nil, fmt.Errorf("getent unable to find entry %q in %s database", terms[1], terms[0])
case 3:
return nil, fmt.Errorf("getent database doesn't support enumeration")
default:
return nil, err
}
}
return bytes.NewReader(out), nil
}
// lazyChown performs a chown only if the uid/gid don't match what's requested
// Normally a Chown is a no-op if uid/gid match, but in some cases this can still cause an error, e.g. if the
// dir is on an NFS share, so don't call chown unless we absolutely must.
func lazyChown(p string, uid, gid int, stat *system.StatT) error {
if stat == nil {
var err error
stat, err = system.Stat(p)
if err != nil {
return err
}
}
if stat.UID() == uint32(uid) && stat.GID() == uint32(gid) {
return nil
}
return os.Chown(p, uid, gid)
}

View File

@ -1,25 +0,0 @@
package idtools // import "github.com/docker/docker/pkg/idtools"
import (
"os"
"github.com/docker/docker/pkg/system"
)
// This is currently a wrapper around MkdirAll, however, since currently
// permissions aren't set through this path, the identity isn't utilized.
// Ownership is handled elsewhere, but in the future could be support here
// too.
func mkdirAs(path string, mode os.FileMode, owner Identity, mkAll, chownExisting bool) error {
if err := system.MkdirAll(path, mode, ""); err != nil {
return err
}
return nil
}
// CanAccess takes a valid (existing) directory and a uid, gid pair and determines
// if that uid, gid pair has access (execute bit) to the directory
// Windows does not require/support this function, so always return true
func CanAccess(path string, identity Identity) bool {
return true
}

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@ -1,164 +0,0 @@
package idtools // import "github.com/docker/docker/pkg/idtools"
import (
"fmt"
"regexp"
"sort"
"strconv"
"strings"
"sync"
)
// add a user and/or group to Linux /etc/passwd, /etc/group using standard
// Linux distribution commands:
// adduser --system --shell /bin/false --disabled-login --disabled-password --no-create-home --group <username>
// useradd -r -s /bin/false <username>
var (
once sync.Once
userCommand string
cmdTemplates = map[string]string{
"adduser": "--system --shell /bin/false --no-create-home --disabled-login --disabled-password --group %s",
"useradd": "-r -s /bin/false %s",
"usermod": "-%s %d-%d %s",
}
idOutRegexp = regexp.MustCompile(`uid=([0-9]+).*gid=([0-9]+)`)
// default length for a UID/GID subordinate range
defaultRangeLen = 65536
defaultRangeStart = 100000
userMod = "usermod"
)
// AddNamespaceRangesUser takes a username and uses the standard system
// utility to create a system user/group pair used to hold the
// /etc/sub{uid,gid} ranges which will be used for user namespace
// mapping ranges in containers.
func AddNamespaceRangesUser(name string) (int, int, error) {
if err := addUser(name); err != nil {
return -1, -1, fmt.Errorf("Error adding user %q: %v", name, err)
}
// Query the system for the created uid and gid pair
out, err := execCmd("id", name)
if err != nil {
return -1, -1, fmt.Errorf("Error trying to find uid/gid for new user %q: %v", name, err)
}
matches := idOutRegexp.FindStringSubmatch(strings.TrimSpace(string(out)))
if len(matches) != 3 {
return -1, -1, fmt.Errorf("Can't find uid, gid from `id` output: %q", string(out))
}
uid, err := strconv.Atoi(matches[1])
if err != nil {
return -1, -1, fmt.Errorf("Can't convert found uid (%s) to int: %v", matches[1], err)
}
gid, err := strconv.Atoi(matches[2])
if err != nil {
return -1, -1, fmt.Errorf("Can't convert found gid (%s) to int: %v", matches[2], err)
}
// Now we need to create the subuid/subgid ranges for our new user/group (system users
// do not get auto-created ranges in subuid/subgid)
if err := createSubordinateRanges(name); err != nil {
return -1, -1, fmt.Errorf("Couldn't create subordinate ID ranges: %v", err)
}
return uid, gid, nil
}
func addUser(userName string) error {
once.Do(func() {
// set up which commands are used for adding users/groups dependent on distro
if _, err := resolveBinary("adduser"); err == nil {
userCommand = "adduser"
} else if _, err := resolveBinary("useradd"); err == nil {
userCommand = "useradd"
}
})
if userCommand == "" {
return fmt.Errorf("Cannot add user; no useradd/adduser binary found")
}
args := fmt.Sprintf(cmdTemplates[userCommand], userName)
out, err := execCmd(userCommand, args)
if err != nil {
return fmt.Errorf("Failed to add user with error: %v; output: %q", err, string(out))
}
return nil
}
func createSubordinateRanges(name string) error {
// first, we should verify that ranges weren't automatically created
// by the distro tooling
ranges, err := parseSubuid(name)
if err != nil {
return fmt.Errorf("Error while looking for subuid ranges for user %q: %v", name, err)
}
if len(ranges) == 0 {
// no UID ranges; let's create one
startID, err := findNextUIDRange()
if err != nil {
return fmt.Errorf("Can't find available subuid range: %v", err)
}
out, err := execCmd(userMod, fmt.Sprintf(cmdTemplates[userMod], "v", startID, startID+defaultRangeLen-1, name))
if err != nil {
return fmt.Errorf("Unable to add subuid range to user: %q; output: %s, err: %v", name, out, err)
}
}
ranges, err = parseSubgid(name)
if err != nil {
return fmt.Errorf("Error while looking for subgid ranges for user %q: %v", name, err)
}
if len(ranges) == 0 {
// no GID ranges; let's create one
startID, err := findNextGIDRange()
if err != nil {
return fmt.Errorf("Can't find available subgid range: %v", err)
}
out, err := execCmd(userMod, fmt.Sprintf(cmdTemplates[userMod], "w", startID, startID+defaultRangeLen-1, name))
if err != nil {
return fmt.Errorf("Unable to add subgid range to user: %q; output: %s, err: %v", name, out, err)
}
}
return nil
}
func findNextUIDRange() (int, error) {
ranges, err := parseSubuid("ALL")
if err != nil {
return -1, fmt.Errorf("Couldn't parse all ranges in /etc/subuid file: %v", err)
}
sort.Sort(ranges)
return findNextRangeStart(ranges)
}
func findNextGIDRange() (int, error) {
ranges, err := parseSubgid("ALL")
if err != nil {
return -1, fmt.Errorf("Couldn't parse all ranges in /etc/subgid file: %v", err)
}
sort.Sort(ranges)
return findNextRangeStart(ranges)
}
func findNextRangeStart(rangeList ranges) (int, error) {
startID := defaultRangeStart
for _, arange := range rangeList {
if wouldOverlap(arange, startID) {
startID = arange.Start + arange.Length
}
}
return startID, nil
}
func wouldOverlap(arange subIDRange, ID int) bool {
low := ID
high := ID + defaultRangeLen
if (low >= arange.Start && low <= arange.Start+arange.Length) ||
(high <= arange.Start+arange.Length && high >= arange.Start) {
return true
}
return false
}

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@ -1,12 +0,0 @@
// +build !linux
package idtools // import "github.com/docker/docker/pkg/idtools"
import "fmt"
// AddNamespaceRangesUser takes a name and finds an unused uid, gid pair
// and calls the appropriate helper function to add the group and then
// the user to the group in /etc/group and /etc/passwd respectively.
func AddNamespaceRangesUser(name string) (int, int, error) {
return -1, -1, fmt.Errorf("No support for adding users or groups on this OS")
}

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@ -1,32 +0,0 @@
// +build !windows
package idtools // import "github.com/docker/docker/pkg/idtools"
import (
"fmt"
"os/exec"
"path/filepath"
"strings"
)
func resolveBinary(binname string) (string, error) {
binaryPath, err := exec.LookPath(binname)
if err != nil {
return "", err
}
resolvedPath, err := filepath.EvalSymlinks(binaryPath)
if err != nil {
return "", err
}
//only return no error if the final resolved binary basename
//matches what was searched for
if filepath.Base(resolvedPath) == binname {
return resolvedPath, nil
}
return "", fmt.Errorf("Binary %q does not resolve to a binary of that name in $PATH (%q)", binname, resolvedPath)
}
func execCmd(cmd, args string) ([]byte, error) {
execCmd := exec.Command(cmd, strings.Split(args, " ")...)
return execCmd.CombinedOutput()
}

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@ -1,137 +0,0 @@
package mount // import "github.com/docker/docker/pkg/mount"
import (
"fmt"
"strings"
)
var flags = map[string]struct {
clear bool
flag int
}{
"defaults": {false, 0},
"ro": {false, RDONLY},
"rw": {true, RDONLY},
"suid": {true, NOSUID},
"nosuid": {false, NOSUID},
"dev": {true, NODEV},
"nodev": {false, NODEV},
"exec": {true, NOEXEC},
"noexec": {false, NOEXEC},
"sync": {false, SYNCHRONOUS},
"async": {true, SYNCHRONOUS},
"dirsync": {false, DIRSYNC},
"remount": {false, REMOUNT},
"mand": {false, MANDLOCK},
"nomand": {true, MANDLOCK},
"atime": {true, NOATIME},
"noatime": {false, NOATIME},
"diratime": {true, NODIRATIME},
"nodiratime": {false, NODIRATIME},
"bind": {false, BIND},
"rbind": {false, RBIND},
"unbindable": {false, UNBINDABLE},
"runbindable": {false, RUNBINDABLE},
"private": {false, PRIVATE},
"rprivate": {false, RPRIVATE},
"shared": {false, SHARED},
"rshared": {false, RSHARED},
"slave": {false, SLAVE},
"rslave": {false, RSLAVE},
"relatime": {false, RELATIME},
"norelatime": {true, RELATIME},
"strictatime": {false, STRICTATIME},
"nostrictatime": {true, STRICTATIME},
}
var validFlags = map[string]bool{
"": true,
"size": true,
"mode": true,
"uid": true,
"gid": true,
"nr_inodes": true,
"nr_blocks": true,
"mpol": true,
}
var propagationFlags = map[string]bool{
"bind": true,
"rbind": true,
"unbindable": true,
"runbindable": true,
"private": true,
"rprivate": true,
"shared": true,
"rshared": true,
"slave": true,
"rslave": true,
}
// MergeTmpfsOptions merge mount options to make sure there is no duplicate.
func MergeTmpfsOptions(options []string) ([]string, error) {
// We use collisions maps to remove duplicates.
// For flag, the key is the flag value (the key for propagation flag is -1)
// For data=value, the key is the data
flagCollisions := map[int]bool{}
dataCollisions := map[string]bool{}
var newOptions []string
// We process in reverse order
for i := len(options) - 1; i >= 0; i-- {
option := options[i]
if option == "defaults" {
continue
}
if f, ok := flags[option]; ok && f.flag != 0 {
// There is only one propagation mode
key := f.flag
if propagationFlags[option] {
key = -1
}
// Check to see if there is collision for flag
if !flagCollisions[key] {
// We prepend the option and add to collision map
newOptions = append([]string{option}, newOptions...)
flagCollisions[key] = true
}
continue
}
opt := strings.SplitN(option, "=", 2)
if len(opt) != 2 || !validFlags[opt[0]] {
return nil, fmt.Errorf("Invalid tmpfs option %q", opt)
}
if !dataCollisions[opt[0]] {
// We prepend the option and add to collision map
newOptions = append([]string{option}, newOptions...)
dataCollisions[opt[0]] = true
}
}
return newOptions, nil
}
// Parse fstab type mount options into mount() flags
// and device specific data
func parseOptions(options string) (int, string) {
var (
flag int
data []string
)
for _, o := range strings.Split(options, ",") {
// If the option does not exist in the flags table or the flag
// is not supported on the platform,
// then it is a data value for a specific fs type
if f, exists := flags[o]; exists && f.flag != 0 {
if f.clear {
flag &= ^f.flag
} else {
flag |= f.flag
}
} else {
data = append(data, o)
}
}
return flag, strings.Join(data, ",")
}

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@ -1,49 +0,0 @@
// +build freebsd,cgo
package mount // import "github.com/docker/docker/pkg/mount"
/*
#include <sys/mount.h>
*/
import "C"
const (
// RDONLY will mount the filesystem as read-only.
RDONLY = C.MNT_RDONLY
// NOSUID will not allow set-user-identifier or set-group-identifier bits to
// take effect.
NOSUID = C.MNT_NOSUID
// NOEXEC will not allow execution of any binaries on the mounted file system.
NOEXEC = C.MNT_NOEXEC
// SYNCHRONOUS will allow any I/O to the file system to be done synchronously.
SYNCHRONOUS = C.MNT_SYNCHRONOUS
// NOATIME will not update the file access time when reading from a file.
NOATIME = C.MNT_NOATIME
)
// These flags are unsupported.
const (
BIND = 0
DIRSYNC = 0
MANDLOCK = 0
NODEV = 0
NODIRATIME = 0
UNBINDABLE = 0
RUNBINDABLE = 0
PRIVATE = 0
RPRIVATE = 0
SHARED = 0
RSHARED = 0
SLAVE = 0
RSLAVE = 0
RBIND = 0
RELATIVE = 0
RELATIME = 0
REMOUNT = 0
STRICTATIME = 0
mntDetach = 0
)

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@ -1,87 +0,0 @@
package mount // import "github.com/docker/docker/pkg/mount"
import (
"golang.org/x/sys/unix"
)
const (
// RDONLY will mount the file system read-only.
RDONLY = unix.MS_RDONLY
// NOSUID will not allow set-user-identifier or set-group-identifier bits to
// take effect.
NOSUID = unix.MS_NOSUID
// NODEV will not interpret character or block special devices on the file
// system.
NODEV = unix.MS_NODEV
// NOEXEC will not allow execution of any binaries on the mounted file system.
NOEXEC = unix.MS_NOEXEC
// SYNCHRONOUS will allow I/O to the file system to be done synchronously.
SYNCHRONOUS = unix.MS_SYNCHRONOUS
// DIRSYNC will force all directory updates within the file system to be done
// synchronously. This affects the following system calls: create, link,
// unlink, symlink, mkdir, rmdir, mknod and rename.
DIRSYNC = unix.MS_DIRSYNC
// REMOUNT will attempt to remount an already-mounted file system. This is
// commonly used to change the mount flags for a file system, especially to
// make a readonly file system writeable. It does not change device or mount
// point.
REMOUNT = unix.MS_REMOUNT
// MANDLOCK will force mandatory locks on a filesystem.
MANDLOCK = unix.MS_MANDLOCK
// NOATIME will not update the file access time when reading from a file.
NOATIME = unix.MS_NOATIME
// NODIRATIME will not update the directory access time.
NODIRATIME = unix.MS_NODIRATIME
// BIND remounts a subtree somewhere else.
BIND = unix.MS_BIND
// RBIND remounts a subtree and all possible submounts somewhere else.
RBIND = unix.MS_BIND | unix.MS_REC
// UNBINDABLE creates a mount which cannot be cloned through a bind operation.
UNBINDABLE = unix.MS_UNBINDABLE
// RUNBINDABLE marks the entire mount tree as UNBINDABLE.
RUNBINDABLE = unix.MS_UNBINDABLE | unix.MS_REC
// PRIVATE creates a mount which carries no propagation abilities.
PRIVATE = unix.MS_PRIVATE
// RPRIVATE marks the entire mount tree as PRIVATE.
RPRIVATE = unix.MS_PRIVATE | unix.MS_REC
// SLAVE creates a mount which receives propagation from its master, but not
// vice versa.
SLAVE = unix.MS_SLAVE
// RSLAVE marks the entire mount tree as SLAVE.
RSLAVE = unix.MS_SLAVE | unix.MS_REC
// SHARED creates a mount which provides the ability to create mirrors of
// that mount such that mounts and unmounts within any of the mirrors
// propagate to the other mirrors.
SHARED = unix.MS_SHARED
// RSHARED marks the entire mount tree as SHARED.
RSHARED = unix.MS_SHARED | unix.MS_REC
// RELATIME updates inode access times relative to modify or change time.
RELATIME = unix.MS_RELATIME
// STRICTATIME allows to explicitly request full atime updates. This makes
// it possible for the kernel to default to relatime or noatime but still
// allow userspace to override it.
STRICTATIME = unix.MS_STRICTATIME
mntDetach = unix.MNT_DETACH
)

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@ -1,31 +0,0 @@
// +build !linux,!freebsd freebsd,!cgo
package mount // import "github.com/docker/docker/pkg/mount"
// These flags are unsupported.
const (
BIND = 0
DIRSYNC = 0
MANDLOCK = 0
NOATIME = 0
NODEV = 0
NODIRATIME = 0
NOEXEC = 0
NOSUID = 0
UNBINDABLE = 0
RUNBINDABLE = 0
PRIVATE = 0
RPRIVATE = 0
SHARED = 0
RSHARED = 0
SLAVE = 0
RSLAVE = 0
RBIND = 0
RELATIME = 0
RELATIVE = 0
REMOUNT = 0
STRICTATIME = 0
SYNCHRONOUS = 0
RDONLY = 0
mntDetach = 0
)

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@ -1,159 +0,0 @@
package mount // import "github.com/docker/docker/pkg/mount"
import (
"sort"
"strconv"
"strings"
"github.com/sirupsen/logrus"
)
// mountError records an error from mount or unmount operation
type mountError struct {
op string
source, target string
flags uintptr
data string
err error
}
func (e *mountError) Error() string {
out := e.op + " "
if e.source != "" {
out += e.source + ":" + e.target
} else {
out += e.target
}
if e.flags != uintptr(0) {
out += ", flags: 0x" + strconv.FormatUint(uint64(e.flags), 16)
}
if e.data != "" {
out += ", data: " + e.data
}
out += ": " + e.err.Error()
return out
}
// Cause returns the underlying cause of the error
func (e *mountError) Cause() error {
return e.err
}
// FilterFunc is a type defining a callback function
// to filter out unwanted entries. It takes a pointer
// to an Info struct (not fully populated, currently
// only Mountpoint is filled in), and returns two booleans:
// - skip: true if the entry should be skipped
// - stop: true if parsing should be stopped after the entry
type FilterFunc func(*Info) (skip, stop bool)
// PrefixFilter discards all entries whose mount points
// do not start with a prefix specified
func PrefixFilter(prefix string) FilterFunc {
return func(m *Info) (bool, bool) {
skip := !strings.HasPrefix(m.Mountpoint, prefix)
return skip, false
}
}
// SingleEntryFilter looks for a specific entry
func SingleEntryFilter(mp string) FilterFunc {
return func(m *Info) (bool, bool) {
if m.Mountpoint == mp {
return false, true // don't skip, stop now
}
return true, false // skip, keep going
}
}
// ParentsFilter returns all entries whose mount points
// can be parents of a path specified, discarding others.
// For example, given `/var/lib/docker/something`, entries
// like `/var/lib/docker`, `/var` and `/` are returned.
func ParentsFilter(path string) FilterFunc {
return func(m *Info) (bool, bool) {
skip := !strings.HasPrefix(path, m.Mountpoint)
return skip, false
}
}
// GetMounts retrieves a list of mounts for the current running process,
// with an optional filter applied (use nil for no filter).
func GetMounts(f FilterFunc) ([]*Info, error) {
return parseMountTable(f)
}
// Mounted determines if a specified mountpoint has been mounted.
// On Linux it looks at /proc/self/mountinfo.
func Mounted(mountpoint string) (bool, error) {
entries, err := GetMounts(SingleEntryFilter(mountpoint))
if err != nil {
return false, err
}
return len(entries) > 0, nil
}
// Mount will mount filesystem according to the specified configuration, on the
// condition that the target path is *not* already mounted. Options must be
// specified like the mount or fstab unix commands: "opt1=val1,opt2=val2". See
// flags.go for supported option flags.
func Mount(device, target, mType, options string) error {
flag, data := parseOptions(options)
if flag&REMOUNT != REMOUNT {
if mounted, err := Mounted(target); err != nil || mounted {
return err
}
}
return mount(device, target, mType, uintptr(flag), data)
}
// ForceMount will mount a filesystem according to the specified configuration,
// *regardless* if the target path is not already mounted. Options must be
// specified like the mount or fstab unix commands: "opt1=val1,opt2=val2". See
// flags.go for supported option flags.
func ForceMount(device, target, mType, options string) error {
flag, data := parseOptions(options)
return mount(device, target, mType, uintptr(flag), data)
}
// Unmount lazily unmounts a filesystem on supported platforms, otherwise
// does a normal unmount.
func Unmount(target string) error {
return unmount(target, mntDetach)
}
// RecursiveUnmount unmounts the target and all mounts underneath, starting with
// the deepsest mount first.
func RecursiveUnmount(target string) error {
mounts, err := parseMountTable(PrefixFilter(target))
if err != nil {
return err
}
// Make the deepest mount be first
sort.Slice(mounts, func(i, j int) bool {
return len(mounts[i].Mountpoint) > len(mounts[j].Mountpoint)
})
for i, m := range mounts {
logrus.Debugf("Trying to unmount %s", m.Mountpoint)
err = unmount(m.Mountpoint, mntDetach)
if err != nil {
if i == len(mounts)-1 { // last mount
if mounted, e := Mounted(m.Mountpoint); e != nil || mounted {
return err
}
} else {
// This is some submount, we can ignore this error for now, the final unmount will fail if this is a real problem
logrus.WithError(err).Warnf("Failed to unmount submount %s", m.Mountpoint)
}
}
logrus.Debugf("Unmounted %s", m.Mountpoint)
}
return nil
}

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@ -1,59 +0,0 @@
package mount // import "github.com/docker/docker/pkg/mount"
/*
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <sys/_iovec.h>
#include <sys/mount.h>
#include <sys/param.h>
*/
import "C"
import (
"strings"
"syscall"
"unsafe"
)
func allocateIOVecs(options []string) []C.struct_iovec {
out := make([]C.struct_iovec, len(options))
for i, option := range options {
out[i].iov_base = unsafe.Pointer(C.CString(option))
out[i].iov_len = C.size_t(len(option) + 1)
}
return out
}
func mount(device, target, mType string, flag uintptr, data string) error {
isNullFS := false
xs := strings.Split(data, ",")
for _, x := range xs {
if x == "bind" {
isNullFS = true
}
}
options := []string{"fspath", target}
if isNullFS {
options = append(options, "fstype", "nullfs", "target", device)
} else {
options = append(options, "fstype", mType, "from", device)
}
rawOptions := allocateIOVecs(options)
for _, rawOption := range rawOptions {
defer C.free(rawOption.iov_base)
}
if errno := C.nmount(&rawOptions[0], C.uint(len(options)), C.int(flag)); errno != 0 {
return &mountError{
op: "mount",
source: device,
target: target,
flags: flag,
err: syscall.Errno(errno),
}
}
return nil
}

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@ -1,73 +0,0 @@
package mount // import "github.com/docker/docker/pkg/mount"
import (
"golang.org/x/sys/unix"
)
const (
// ptypes is the set propagation types.
ptypes = unix.MS_SHARED | unix.MS_PRIVATE | unix.MS_SLAVE | unix.MS_UNBINDABLE
// pflags is the full set valid flags for a change propagation call.
pflags = ptypes | unix.MS_REC | unix.MS_SILENT
// broflags is the combination of bind and read only
broflags = unix.MS_BIND | unix.MS_RDONLY
)
// isremount returns true if either device name or flags identify a remount request, false otherwise.
func isremount(device string, flags uintptr) bool {
switch {
// We treat device "" and "none" as a remount request to provide compatibility with
// requests that don't explicitly set MS_REMOUNT such as those manipulating bind mounts.
case flags&unix.MS_REMOUNT != 0, device == "", device == "none":
return true
default:
return false
}
}
func mount(device, target, mType string, flags uintptr, data string) error {
oflags := flags &^ ptypes
if !isremount(device, flags) || data != "" {
// Initial call applying all non-propagation flags for mount
// or remount with changed data
if err := unix.Mount(device, target, mType, oflags, data); err != nil {
return &mountError{
op: "mount",
source: device,
target: target,
flags: oflags,
data: data,
err: err,
}
}
}
if flags&ptypes != 0 {
// Change the propagation type.
if err := unix.Mount("", target, "", flags&pflags, ""); err != nil {
return &mountError{
op: "remount",
target: target,
flags: flags & pflags,
err: err,
}
}
}
if oflags&broflags == broflags {
// Remount the bind to apply read only.
if err := unix.Mount("", target, "", oflags|unix.MS_REMOUNT, ""); err != nil {
return &mountError{
op: "remount-ro",
target: target,
flags: oflags | unix.MS_REMOUNT,
err: err,
}
}
}
return nil
}

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@ -1,7 +0,0 @@
// +build !linux,!freebsd freebsd,!cgo
package mount // import "github.com/docker/docker/pkg/mount"
func mount(device, target, mType string, flag uintptr, data string) error {
panic("Not implemented")
}

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@ -1,40 +0,0 @@
package mount // import "github.com/docker/docker/pkg/mount"
// Info reveals information about a particular mounted filesystem. This
// struct is populated from the content in the /proc/<pid>/mountinfo file.
type Info struct {
// ID is a unique identifier of the mount (may be reused after umount).
ID int
// Parent indicates the ID of the mount parent (or of self for the top of the
// mount tree).
Parent int
// Major indicates one half of the device ID which identifies the device class.
Major int
// Minor indicates one half of the device ID which identifies a specific
// instance of device.
Minor int
// Root of the mount within the filesystem.
Root string
// Mountpoint indicates the mount point relative to the process's root.
Mountpoint string
// Opts represents mount-specific options.
Opts string
// Optional represents optional fields.
Optional string
// Fstype indicates the type of filesystem, such as EXT3.
Fstype string
// Source indicates filesystem specific information or "none".
Source string
// VfsOpts represents per super block options.
VfsOpts string
}

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@ -1,55 +0,0 @@
package mount // import "github.com/docker/docker/pkg/mount"
/*
#include <sys/param.h>
#include <sys/ucred.h>
#include <sys/mount.h>
*/
import "C"
import (
"fmt"
"reflect"
"unsafe"
)
// Parse /proc/self/mountinfo because comparing Dev and ino does not work from
// bind mounts.
func parseMountTable(filter FilterFunc) ([]*Info, error) {
var rawEntries *C.struct_statfs
count := int(C.getmntinfo(&rawEntries, C.MNT_WAIT))
if count == 0 {
return nil, fmt.Errorf("Failed to call getmntinfo")
}
var entries []C.struct_statfs
header := (*reflect.SliceHeader)(unsafe.Pointer(&entries))
header.Cap = count
header.Len = count
header.Data = uintptr(unsafe.Pointer(rawEntries))
var out []*Info
for _, entry := range entries {
var mountinfo Info
var skip, stop bool
mountinfo.Mountpoint = C.GoString(&entry.f_mntonname[0])
if filter != nil {
// filter out entries we're not interested in
skip, stop = filter(p)
if skip {
continue
}
}
mountinfo.Source = C.GoString(&entry.f_mntfromname[0])
mountinfo.Fstype = C.GoString(&entry.f_fstypename[0])
out = append(out, &mountinfo)
if stop {
break
}
}
return out, nil
}

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@ -1,144 +0,0 @@
package mount // import "github.com/docker/docker/pkg/mount"
import (
"bufio"
"fmt"
"io"
"os"
"strconv"
"strings"
"github.com/pkg/errors"
)
func parseInfoFile(r io.Reader, filter FilterFunc) ([]*Info, error) {
s := bufio.NewScanner(r)
out := []*Info{}
var err error
for s.Scan() {
if err = s.Err(); err != nil {
return nil, err
}
/*
See http://man7.org/linux/man-pages/man5/proc.5.html
36 35 98:0 /mnt1 /mnt2 rw,noatime master:1 - ext3 /dev/root rw,errors=continue
(1)(2)(3) (4) (5) (6) (7) (8) (9) (10) (11)
(1) mount ID: unique identifier of the mount (may be reused after umount)
(2) parent ID: ID of parent (or of self for the top of the mount tree)
(3) major:minor: value of st_dev for files on filesystem
(4) root: root of the mount within the filesystem
(5) mount point: mount point relative to the process's root
(6) mount options: per mount options
(7) optional fields: zero or more fields of the form "tag[:value]"
(8) separator: marks the end of the optional fields
(9) filesystem type: name of filesystem of the form "type[.subtype]"
(10) mount source: filesystem specific information or "none"
(11) super options: per super block options
*/
text := s.Text()
fields := strings.Split(text, " ")
numFields := len(fields)
if numFields < 10 {
// should be at least 10 fields
return nil, fmt.Errorf("Parsing '%s' failed: not enough fields (%d)", text, numFields)
}
p := &Info{}
// ignore any numbers parsing errors, as there should not be any
p.ID, _ = strconv.Atoi(fields[0])
p.Parent, _ = strconv.Atoi(fields[1])
mm := strings.Split(fields[2], ":")
if len(mm) != 2 {
return nil, fmt.Errorf("Parsing '%s' failed: unexpected minor:major pair %s", text, mm)
}
p.Major, _ = strconv.Atoi(mm[0])
p.Minor, _ = strconv.Atoi(mm[1])
p.Root, err = strconv.Unquote(`"` + fields[3] + `"`)
if err != nil {
return nil, errors.Wrapf(err, "Parsing '%s' failed: unable to unquote root field", fields[3])
}
p.Mountpoint, err = strconv.Unquote(`"` + fields[4] + `"`)
if err != nil {
return nil, errors.Wrapf(err, "Parsing '%s' failed: unable to unquote mount point field", fields[4])
}
p.Opts = fields[5]
var skip, stop bool
if filter != nil {
// filter out entries we're not interested in
skip, stop = filter(p)
if skip {
continue
}
}
// one or more optional fields, when a separator (-)
i := 6
for ; i < numFields && fields[i] != "-"; i++ {
switch i {
case 6:
p.Optional = fields[6]
default:
/* NOTE there might be more optional fields before the such as
fields[7]...fields[N] (where N < sepIndex), although
as of Linux kernel 4.15 the only known ones are
mount propagation flags in fields[6]. The correct
behavior is to ignore any unknown optional fields.
*/
break
}
}
if i == numFields {
return nil, fmt.Errorf("Parsing '%s' failed: missing separator ('-')", text)
}
// There should be 3 fields after the separator...
if i+4 > numFields {
return nil, fmt.Errorf("Parsing '%s' failed: not enough fields after a separator", text)
}
// ... but in Linux <= 3.9 mounting a cifs with spaces in a share name
// (like "//serv/My Documents") _may_ end up having a space in the last field
// of mountinfo (like "unc=//serv/My Documents"). Since kernel 3.10-rc1, cifs
// option unc= is ignored, so a space should not appear. In here we ignore
// those "extra" fields caused by extra spaces.
p.Fstype = fields[i+1]
p.Source = fields[i+2]
p.VfsOpts = fields[i+3]
out = append(out, p)
if stop {
break
}
}
return out, nil
}
// Parse /proc/self/mountinfo because comparing Dev and ino does not work from
// bind mounts
func parseMountTable(filter FilterFunc) ([]*Info, error) {
f, err := os.Open("/proc/self/mountinfo")
if err != nil {
return nil, err
}
defer f.Close()
return parseInfoFile(f, filter)
}
// PidMountInfo collects the mounts for a specific process ID. If the process
// ID is unknown, it is better to use `GetMounts` which will inspect
// "/proc/self/mountinfo" instead.
func PidMountInfo(pid int) ([]*Info, error) {
f, err := os.Open(fmt.Sprintf("/proc/%d/mountinfo", pid))
if err != nil {
return nil, err
}
defer f.Close()
return parseInfoFile(f, nil)
}

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@ -1,12 +0,0 @@
// +build !windows,!linux,!freebsd freebsd,!cgo
package mount // import "github.com/docker/docker/pkg/mount"
import (
"fmt"
"runtime"
)
func parseMountTable(f FilterFunc) ([]*Info, error) {
return nil, fmt.Errorf("mount.parseMountTable is not implemented on %s/%s", runtime.GOOS, runtime.GOARCH)
}

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@ -1,6 +0,0 @@
package mount // import "github.com/docker/docker/pkg/mount"
func parseMountTable(f FilterFunc) ([]*Info, error) {
// Do NOT return an error!
return nil, nil
}

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@ -1,71 +0,0 @@
package mount // import "github.com/docker/docker/pkg/mount"
// MakeShared ensures a mounted filesystem has the SHARED mount option enabled.
// See the supported options in flags.go for further reference.
func MakeShared(mountPoint string) error {
return ensureMountedAs(mountPoint, SHARED)
}
// MakeRShared ensures a mounted filesystem has the RSHARED mount option enabled.
// See the supported options in flags.go for further reference.
func MakeRShared(mountPoint string) error {
return ensureMountedAs(mountPoint, RSHARED)
}
// MakePrivate ensures a mounted filesystem has the PRIVATE mount option enabled.
// See the supported options in flags.go for further reference.
func MakePrivate(mountPoint string) error {
return ensureMountedAs(mountPoint, PRIVATE)
}
// MakeRPrivate ensures a mounted filesystem has the RPRIVATE mount option
// enabled. See the supported options in flags.go for further reference.
func MakeRPrivate(mountPoint string) error {
return ensureMountedAs(mountPoint, RPRIVATE)
}
// MakeSlave ensures a mounted filesystem has the SLAVE mount option enabled.
// See the supported options in flags.go for further reference.
func MakeSlave(mountPoint string) error {
return ensureMountedAs(mountPoint, SLAVE)
}
// MakeRSlave ensures a mounted filesystem has the RSLAVE mount option enabled.
// See the supported options in flags.go for further reference.
func MakeRSlave(mountPoint string) error {
return ensureMountedAs(mountPoint, RSLAVE)
}
// MakeUnbindable ensures a mounted filesystem has the UNBINDABLE mount option
// enabled. See the supported options in flags.go for further reference.
func MakeUnbindable(mountPoint string) error {
return ensureMountedAs(mountPoint, UNBINDABLE)
}
// MakeRUnbindable ensures a mounted filesystem has the RUNBINDABLE mount
// option enabled. See the supported options in flags.go for further reference.
func MakeRUnbindable(mountPoint string) error {
return ensureMountedAs(mountPoint, RUNBINDABLE)
}
// MakeMount ensures that the file or directory given is a mount point,
// bind mounting it to itself it case it is not.
func MakeMount(mnt string) error {
mounted, err := Mounted(mnt)
if err != nil {
return err
}
if mounted {
return nil
}
return mount(mnt, mnt, "none", uintptr(BIND), "")
}
func ensureMountedAs(mnt string, flags int) error {
if err := MakeMount(mnt); err != nil {
return err
}
return mount("", mnt, "none", uintptr(flags), "")
}

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@ -1,22 +0,0 @@
// +build !windows
package mount // import "github.com/docker/docker/pkg/mount"
import "golang.org/x/sys/unix"
func unmount(target string, flags int) error {
err := unix.Unmount(target, flags)
if err == nil || err == unix.EINVAL {
// Ignore "not mounted" error here. Note the same error
// can be returned if flags are invalid, so this code
// assumes that the flags value is always correct.
return nil
}
return &mountError{
op: "umount",
target: target,
flags: uintptr(flags),
err: err,
}
}

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@ -1,7 +0,0 @@
// +build windows
package mount // import "github.com/docker/docker/pkg/mount"
func unmount(target string, flag int) error {
panic("Not implemented")
}

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@ -1,16 +0,0 @@
package system // import "github.com/docker/docker/pkg/system"
import (
"strings"
"golang.org/x/sys/windows"
)
// EscapeArgs makes a Windows-style escaped command line from a set of arguments
func EscapeArgs(args []string) string {
escapedArgs := make([]string, len(args))
for i, a := range args {
escapedArgs[i] = windows.EscapeArg(a)
}
return strings.Join(escapedArgs, " ")
}

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@ -1,31 +0,0 @@
package system // import "github.com/docker/docker/pkg/system"
import (
"os"
"time"
)
// Chtimes changes the access time and modified time of a file at the given path
func Chtimes(name string, atime time.Time, mtime time.Time) error {
unixMinTime := time.Unix(0, 0)
unixMaxTime := maxTime
// If the modified time is prior to the Unix Epoch, or after the
// end of Unix Time, os.Chtimes has undefined behavior
// default to Unix Epoch in this case, just in case
if atime.Before(unixMinTime) || atime.After(unixMaxTime) {
atime = unixMinTime
}
if mtime.Before(unixMinTime) || mtime.After(unixMaxTime) {
mtime = unixMinTime
}
if err := os.Chtimes(name, atime, mtime); err != nil {
return err
}
// Take platform specific action for setting create time.
return setCTime(name, mtime)
}

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@ -1,14 +0,0 @@
// +build !windows
package system // import "github.com/docker/docker/pkg/system"
import (
"time"
)
//setCTime will set the create time on a file. On Unix, the create
//time is updated as a side effect of setting the modified time, so
//no action is required.
func setCTime(path string, ctime time.Time) error {
return nil
}

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@ -1,26 +0,0 @@
package system // import "github.com/docker/docker/pkg/system"
import (
"time"
"golang.org/x/sys/windows"
)
//setCTime will set the create time on a file. On Windows, this requires
//calling SetFileTime and explicitly including the create time.
func setCTime(path string, ctime time.Time) error {
ctimespec := windows.NsecToTimespec(ctime.UnixNano())
pathp, e := windows.UTF16PtrFromString(path)
if e != nil {
return e
}
h, e := windows.CreateFile(pathp,
windows.FILE_WRITE_ATTRIBUTES, windows.FILE_SHARE_WRITE, nil,
windows.OPEN_EXISTING, windows.FILE_FLAG_BACKUP_SEMANTICS, 0)
if e != nil {
return e
}
defer windows.Close(h)
c := windows.NsecToFiletime(windows.TimespecToNsec(ctimespec))
return windows.SetFileTime(h, &c, nil, nil)
}

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@ -1,13 +0,0 @@
package system // import "github.com/docker/docker/pkg/system"
import (
"errors"
)
var (
// ErrNotSupportedPlatform means the platform is not supported.
ErrNotSupportedPlatform = errors.New("platform and architecture is not supported")
// ErrNotSupportedOperatingSystem means the operating system is not supported.
ErrNotSupportedOperatingSystem = errors.New("operating system is not supported")
)

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@ -1,19 +0,0 @@
package system // import "github.com/docker/docker/pkg/system"
import (
"fmt"
"os/exec"
"syscall"
)
// GetExitCode returns the ExitStatus of the specified error if its type is
// exec.ExitError, returns 0 and an error otherwise.
func GetExitCode(err error) (int, error) {
exitCode := 0
if exiterr, ok := err.(*exec.ExitError); ok {
if procExit, ok := exiterr.Sys().(syscall.WaitStatus); ok {
return procExit.ExitStatus(), nil
}
}
return exitCode, fmt.Errorf("failed to get exit code")
}

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@ -1,67 +0,0 @@
// +build !windows
package system // import "github.com/docker/docker/pkg/system"
import (
"io/ioutil"
"os"
"path/filepath"
)
// MkdirAllWithACL is a wrapper for MkdirAll on unix systems.
func MkdirAllWithACL(path string, perm os.FileMode, sddl string) error {
return MkdirAll(path, perm, sddl)
}
// MkdirAll creates a directory named path along with any necessary parents,
// with permission specified by attribute perm for all dir created.
func MkdirAll(path string, perm os.FileMode, sddl string) error {
return os.MkdirAll(path, perm)
}
// IsAbs is a platform-specific wrapper for filepath.IsAbs.
func IsAbs(path string) bool {
return filepath.IsAbs(path)
}
// The functions below here are wrappers for the equivalents in the os and ioutils packages.
// They are passthrough on Unix platforms, and only relevant on Windows.
// CreateSequential creates the named file with mode 0666 (before umask), truncating
// it if it already exists. If successful, methods on the returned
// File can be used for I/O; the associated file descriptor has mode
// O_RDWR.
// If there is an error, it will be of type *PathError.
func CreateSequential(name string) (*os.File, error) {
return os.Create(name)
}
// OpenSequential opens the named file for reading. If successful, methods on
// the returned file can be used for reading; the associated file
// descriptor has mode O_RDONLY.
// If there is an error, it will be of type *PathError.
func OpenSequential(name string) (*os.File, error) {
return os.Open(name)
}
// OpenFileSequential is the generalized open call; most users will use Open
// or Create instead. It opens the named file with specified flag
// (O_RDONLY etc.) and perm, (0666 etc.) if applicable. If successful,
// methods on the returned File can be used for I/O.
// If there is an error, it will be of type *PathError.
func OpenFileSequential(name string, flag int, perm os.FileMode) (*os.File, error) {
return os.OpenFile(name, flag, perm)
}
// TempFileSequential creates a new temporary file in the directory dir
// with a name beginning with prefix, opens the file for reading
// and writing, and returns the resulting *os.File.
// If dir is the empty string, TempFile uses the default directory
// for temporary files (see os.TempDir).
// Multiple programs calling TempFile simultaneously
// will not choose the same file. The caller can use f.Name()
// to find the pathname of the file. It is the caller's responsibility
// to remove the file when no longer needed.
func TempFileSequential(dir, prefix string) (f *os.File, err error) {
return ioutil.TempFile(dir, prefix)
}

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@ -1,294 +0,0 @@
package system // import "github.com/docker/docker/pkg/system"
import (
"os"
"path/filepath"
"regexp"
"strconv"
"strings"
"sync"
"syscall"
"time"
"unsafe"
winio "github.com/Microsoft/go-winio"
"golang.org/x/sys/windows"
)
const (
// SddlAdministratorsLocalSystem is local administrators plus NT AUTHORITY\System
SddlAdministratorsLocalSystem = "D:P(A;OICI;GA;;;BA)(A;OICI;GA;;;SY)"
)
// MkdirAllWithACL is a wrapper for MkdirAll that creates a directory
// with an appropriate SDDL defined ACL.
func MkdirAllWithACL(path string, perm os.FileMode, sddl string) error {
return mkdirall(path, true, sddl)
}
// MkdirAll implementation that is volume path aware for Windows.
func MkdirAll(path string, _ os.FileMode, sddl string) error {
return mkdirall(path, false, sddl)
}
// mkdirall is a custom version of os.MkdirAll modified for use on Windows
// so that it is both volume path aware, and can create a directory with
// a DACL.
func mkdirall(path string, applyACL bool, sddl string) error {
if re := regexp.MustCompile(`^\\\\\?\\Volume{[a-z0-9-]+}$`); re.MatchString(path) {
return nil
}
// The rest of this method is largely copied from os.MkdirAll and should be kept
// as-is to ensure compatibility.
// Fast path: if we can tell whether path is a directory or file, stop with success or error.
dir, err := os.Stat(path)
if err == nil {
if dir.IsDir() {
return nil
}
return &os.PathError{
Op: "mkdir",
Path: path,
Err: syscall.ENOTDIR,
}
}
// Slow path: make sure parent exists and then call Mkdir for path.
i := len(path)
for i > 0 && os.IsPathSeparator(path[i-1]) { // Skip trailing path separator.
i--
}
j := i
for j > 0 && !os.IsPathSeparator(path[j-1]) { // Scan backward over element.
j--
}
if j > 1 {
// Create parent
err = mkdirall(path[0:j-1], false, sddl)
if err != nil {
return err
}
}
// Parent now exists; invoke os.Mkdir or mkdirWithACL and use its result.
if applyACL {
err = mkdirWithACL(path, sddl)
} else {
err = os.Mkdir(path, 0)
}
if err != nil {
// Handle arguments like "foo/." by
// double-checking that directory doesn't exist.
dir, err1 := os.Lstat(path)
if err1 == nil && dir.IsDir() {
return nil
}
return err
}
return nil
}
// mkdirWithACL creates a new directory. If there is an error, it will be of
// type *PathError. .
//
// This is a modified and combined version of os.Mkdir and windows.Mkdir
// in golang to cater for creating a directory am ACL permitting full
// access, with inheritance, to any subfolder/file for Built-in Administrators
// and Local System.
func mkdirWithACL(name string, sddl string) error {
sa := windows.SecurityAttributes{Length: 0}
sd, err := winio.SddlToSecurityDescriptor(sddl)
if err != nil {
return &os.PathError{Op: "mkdir", Path: name, Err: err}
}
sa.Length = uint32(unsafe.Sizeof(sa))
sa.InheritHandle = 1
sa.SecurityDescriptor = uintptr(unsafe.Pointer(&sd[0]))
namep, err := windows.UTF16PtrFromString(name)
if err != nil {
return &os.PathError{Op: "mkdir", Path: name, Err: err}
}
e := windows.CreateDirectory(namep, &sa)
if e != nil {
return &os.PathError{Op: "mkdir", Path: name, Err: e}
}
return nil
}
// IsAbs is a platform-specific wrapper for filepath.IsAbs. On Windows,
// golang filepath.IsAbs does not consider a path \windows\system32 as absolute
// as it doesn't start with a drive-letter/colon combination. However, in
// docker we need to verify things such as WORKDIR /windows/system32 in
// a Dockerfile (which gets translated to \windows\system32 when being processed
// by the daemon. This SHOULD be treated as absolute from a docker processing
// perspective.
func IsAbs(path string) bool {
if !filepath.IsAbs(path) {
if !strings.HasPrefix(path, string(os.PathSeparator)) {
return false
}
}
return true
}
// The origin of the functions below here are the golang OS and windows packages,
// slightly modified to only cope with files, not directories due to the
// specific use case.
//
// The alteration is to allow a file on Windows to be opened with
// FILE_FLAG_SEQUENTIAL_SCAN (particular for docker load), to avoid eating
// the standby list, particularly when accessing large files such as layer.tar.
// CreateSequential creates the named file with mode 0666 (before umask), truncating
// it if it already exists. If successful, methods on the returned
// File can be used for I/O; the associated file descriptor has mode
// O_RDWR.
// If there is an error, it will be of type *PathError.
func CreateSequential(name string) (*os.File, error) {
return OpenFileSequential(name, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0)
}
// OpenSequential opens the named file for reading. If successful, methods on
// the returned file can be used for reading; the associated file
// descriptor has mode O_RDONLY.
// If there is an error, it will be of type *PathError.
func OpenSequential(name string) (*os.File, error) {
return OpenFileSequential(name, os.O_RDONLY, 0)
}
// OpenFileSequential is the generalized open call; most users will use Open
// or Create instead.
// If there is an error, it will be of type *PathError.
func OpenFileSequential(name string, flag int, _ os.FileMode) (*os.File, error) {
if name == "" {
return nil, &os.PathError{Op: "open", Path: name, Err: syscall.ENOENT}
}
r, errf := windowsOpenFileSequential(name, flag, 0)
if errf == nil {
return r, nil
}
return nil, &os.PathError{Op: "open", Path: name, Err: errf}
}
func windowsOpenFileSequential(name string, flag int, _ os.FileMode) (file *os.File, err error) {
r, e := windowsOpenSequential(name, flag|windows.O_CLOEXEC, 0)
if e != nil {
return nil, e
}
return os.NewFile(uintptr(r), name), nil
}
func makeInheritSa() *windows.SecurityAttributes {
var sa windows.SecurityAttributes
sa.Length = uint32(unsafe.Sizeof(sa))
sa.InheritHandle = 1
return &sa
}
func windowsOpenSequential(path string, mode int, _ uint32) (fd windows.Handle, err error) {
if len(path) == 0 {
return windows.InvalidHandle, windows.ERROR_FILE_NOT_FOUND
}
pathp, err := windows.UTF16PtrFromString(path)
if err != nil {
return windows.InvalidHandle, err
}
var access uint32
switch mode & (windows.O_RDONLY | windows.O_WRONLY | windows.O_RDWR) {
case windows.O_RDONLY:
access = windows.GENERIC_READ
case windows.O_WRONLY:
access = windows.GENERIC_WRITE
case windows.O_RDWR:
access = windows.GENERIC_READ | windows.GENERIC_WRITE
}
if mode&windows.O_CREAT != 0 {
access |= windows.GENERIC_WRITE
}
if mode&windows.O_APPEND != 0 {
access &^= windows.GENERIC_WRITE
access |= windows.FILE_APPEND_DATA
}
sharemode := uint32(windows.FILE_SHARE_READ | windows.FILE_SHARE_WRITE)
var sa *windows.SecurityAttributes
if mode&windows.O_CLOEXEC == 0 {
sa = makeInheritSa()
}
var createmode uint32
switch {
case mode&(windows.O_CREAT|windows.O_EXCL) == (windows.O_CREAT | windows.O_EXCL):
createmode = windows.CREATE_NEW
case mode&(windows.O_CREAT|windows.O_TRUNC) == (windows.O_CREAT | windows.O_TRUNC):
createmode = windows.CREATE_ALWAYS
case mode&windows.O_CREAT == windows.O_CREAT:
createmode = windows.OPEN_ALWAYS
case mode&windows.O_TRUNC == windows.O_TRUNC:
createmode = windows.TRUNCATE_EXISTING
default:
createmode = windows.OPEN_EXISTING
}
// Use FILE_FLAG_SEQUENTIAL_SCAN rather than FILE_ATTRIBUTE_NORMAL as implemented in golang.
//https://msdn.microsoft.com/en-us/library/windows/desktop/aa363858(v=vs.85).aspx
const fileFlagSequentialScan = 0x08000000 // FILE_FLAG_SEQUENTIAL_SCAN
h, e := windows.CreateFile(pathp, access, sharemode, sa, createmode, fileFlagSequentialScan, 0)
return h, e
}
// Helpers for TempFileSequential
var rand uint32
var randmu sync.Mutex
func reseed() uint32 {
return uint32(time.Now().UnixNano() + int64(os.Getpid()))
}
func nextSuffix() string {
randmu.Lock()
r := rand
if r == 0 {
r = reseed()
}
r = r*1664525 + 1013904223 // constants from Numerical Recipes
rand = r
randmu.Unlock()
return strconv.Itoa(int(1e9 + r%1e9))[1:]
}
// TempFileSequential is a copy of ioutil.TempFile, modified to use sequential
// file access. Below is the original comment from golang:
// TempFile creates a new temporary file in the directory dir
// with a name beginning with prefix, opens the file for reading
// and writing, and returns the resulting *os.File.
// If dir is the empty string, TempFile uses the default directory
// for temporary files (see os.TempDir).
// Multiple programs calling TempFile simultaneously
// will not choose the same file. The caller can use f.Name()
// to find the pathname of the file. It is the caller's responsibility
// to remove the file when no longer needed.
func TempFileSequential(dir, prefix string) (f *os.File, err error) {
if dir == "" {
dir = os.TempDir()
}
nconflict := 0
for i := 0; i < 10000; i++ {
name := filepath.Join(dir, prefix+nextSuffix())
f, err = OpenFileSequential(name, os.O_RDWR|os.O_CREATE|os.O_EXCL, 0600)
if os.IsExist(err) {
if nconflict++; nconflict > 10 {
randmu.Lock()
rand = reseed()
randmu.Unlock()
}
continue
}
break
}
return
}

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@ -1,22 +0,0 @@
package system // import "github.com/docker/docker/pkg/system"
import (
"syscall"
"time"
"unsafe"
)
// Used by chtimes
var maxTime time.Time
func init() {
// chtimes initialization
if unsafe.Sizeof(syscall.Timespec{}.Nsec) == 8 {
// This is a 64 bit timespec
// os.Chtimes limits time to the following
maxTime = time.Unix(0, 1<<63-1)
} else {
// This is a 32 bit timespec
maxTime = time.Unix(1<<31-1, 0)
}
}

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@ -1,12 +0,0 @@
// +build !windows
package system // import "github.com/docker/docker/pkg/system"
// InitLCOW does nothing since LCOW is a windows only feature
func InitLCOW(experimental bool) {
}
// ContainerdRuntimeSupported returns true if the use of ContainerD runtime is supported.
func ContainerdRuntimeSupported(_ bool, _ string) bool {
return true
}

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@ -1,41 +0,0 @@
package system // import "github.com/docker/docker/pkg/system"
import (
"os"
"github.com/Microsoft/hcsshim/osversion"
"github.com/sirupsen/logrus"
)
var (
// lcowSupported determines if Linux Containers on Windows are supported.
lcowSupported = false
// containerdRuntimeSupported determines if ContainerD should be the runtime.
// As of March 2019, this is an experimental feature.
containerdRuntimeSupported = false
)
// InitLCOW sets whether LCOW is supported or not. Requires RS5+
func InitLCOW(experimental bool) {
v := GetOSVersion()
if experimental && v.Build >= osversion.RS5 {
lcowSupported = true
}
}
// InitContainerdRuntime sets whether to use ContainerD for runtime
// on Windows. This is an experimental feature still in development, and
// also requires an environment variable to be set (so as not to turn the
// feature on from simply experimental which would also mean LCOW.
func InitContainerdRuntime(experimental bool, cdPath string) {
if experimental && len(cdPath) > 0 && len(os.Getenv("DOCKER_WINDOWS_CONTAINERD_RUNTIME")) > 0 {
logrus.Warnf("Using ContainerD runtime. This feature is experimental")
containerdRuntimeSupported = true
}
}
// ContainerdRuntimeSupported returns true if the use of ContainerD runtime is supported.
func ContainerdRuntimeSupported() bool {
return containerdRuntimeSupported
}

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@ -1,32 +0,0 @@
package system // import "github.com/docker/docker/pkg/system"
import (
"runtime"
"strings"
specs "github.com/opencontainers/image-spec/specs-go/v1"
"github.com/pkg/errors"
)
// IsOSSupported determines if an operating system is supported by the host
func IsOSSupported(os string) bool {
if strings.EqualFold(runtime.GOOS, os) {
return true
}
if LCOWSupported() && strings.EqualFold(os, "linux") {
return true
}
return false
}
// ValidatePlatform determines if a platform structure is valid.
// TODO This is a temporary windows-only function, should be replaced by
// comparison of worker capabilities
func ValidatePlatform(platform specs.Platform) error {
if runtime.GOOS == "windows" {
if !(platform.OS == runtime.GOOS || (LCOWSupported() && platform.OS == "linux")) {
return errors.Errorf("unsupported os %s", platform.OS)
}
}
return nil
}

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@ -1,8 +0,0 @@
// +build !windows
package system // import "github.com/docker/docker/pkg/system"
// LCOWSupported returns true if Linux containers on Windows are supported.
func LCOWSupported() bool {
return false
}

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@ -1,6 +0,0 @@
package system // import "github.com/docker/docker/pkg/system"
// LCOWSupported returns true if Linux containers on Windows are supported.
func LCOWSupported() bool {
return lcowSupported
}

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@ -1,20 +0,0 @@
// +build !windows
package system // import "github.com/docker/docker/pkg/system"
import (
"os"
"syscall"
)
// Lstat takes a path to a file and returns
// a system.StatT type pertaining to that file.
//
// Throws an error if the file does not exist
func Lstat(path string) (*StatT, error) {
s := &syscall.Stat_t{}
if err := syscall.Lstat(path, s); err != nil {
return nil, &os.PathError{Op: "Lstat", Path: path, Err: err}
}
return fromStatT(s)
}

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@ -1,14 +0,0 @@
package system // import "github.com/docker/docker/pkg/system"
import "os"
// Lstat calls os.Lstat to get a fileinfo interface back.
// This is then copied into our own locally defined structure.
func Lstat(path string) (*StatT, error) {
fi, err := os.Lstat(path)
if err != nil {
return nil, err
}
return fromStatT(&fi)
}

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@ -1,17 +0,0 @@
package system // import "github.com/docker/docker/pkg/system"
// MemInfo contains memory statistics of the host system.
type MemInfo struct {
// Total usable RAM (i.e. physical RAM minus a few reserved bits and the
// kernel binary code).
MemTotal int64
// Amount of free memory.
MemFree int64
// Total amount of swap space available.
SwapTotal int64
// Amount of swap space that is currently unused.
SwapFree int64
}

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@ -1,65 +0,0 @@
package system // import "github.com/docker/docker/pkg/system"
import (
"bufio"
"io"
"os"
"strconv"
"strings"
"github.com/docker/go-units"
)
// ReadMemInfo retrieves memory statistics of the host system and returns a
// MemInfo type.
func ReadMemInfo() (*MemInfo, error) {
file, err := os.Open("/proc/meminfo")
if err != nil {
return nil, err
}
defer file.Close()
return parseMemInfo(file)
}
// parseMemInfo parses the /proc/meminfo file into
// a MemInfo object given an io.Reader to the file.
// Throws error if there are problems reading from the file
func parseMemInfo(reader io.Reader) (*MemInfo, error) {
meminfo := &MemInfo{}
scanner := bufio.NewScanner(reader)
for scanner.Scan() {
// Expected format: ["MemTotal:", "1234", "kB"]
parts := strings.Fields(scanner.Text())
// Sanity checks: Skip malformed entries.
if len(parts) < 3 || parts[2] != "kB" {
continue
}
// Convert to bytes.
size, err := strconv.Atoi(parts[1])
if err != nil {
continue
}
bytes := int64(size) * units.KiB
switch parts[0] {
case "MemTotal:":
meminfo.MemTotal = bytes
case "MemFree:":
meminfo.MemFree = bytes
case "SwapTotal:":
meminfo.SwapTotal = bytes
case "SwapFree:":
meminfo.SwapFree = bytes
}
}
// Handle errors that may have occurred during the reading of the file.
if err := scanner.Err(); err != nil {
return nil, err
}
return meminfo, nil
}

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@ -1,8 +0,0 @@
// +build !linux,!windows
package system // import "github.com/docker/docker/pkg/system"
// ReadMemInfo is not supported on platforms other than linux and windows.
func ReadMemInfo() (*MemInfo, error) {
return nil, ErrNotSupportedPlatform
}

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@ -1,45 +0,0 @@
package system // import "github.com/docker/docker/pkg/system"
import (
"unsafe"
"golang.org/x/sys/windows"
)
var (
modkernel32 = windows.NewLazySystemDLL("kernel32.dll")
procGlobalMemoryStatusEx = modkernel32.NewProc("GlobalMemoryStatusEx")
)
// https://msdn.microsoft.com/en-us/library/windows/desktop/aa366589(v=vs.85).aspx
// https://msdn.microsoft.com/en-us/library/windows/desktop/aa366770(v=vs.85).aspx
type memorystatusex struct {
dwLength uint32
dwMemoryLoad uint32
ullTotalPhys uint64
ullAvailPhys uint64
ullTotalPageFile uint64
ullAvailPageFile uint64
ullTotalVirtual uint64
ullAvailVirtual uint64
ullAvailExtendedVirtual uint64
}
// ReadMemInfo retrieves memory statistics of the host system and returns a
// MemInfo type.
func ReadMemInfo() (*MemInfo, error) {
msi := &memorystatusex{
dwLength: 64,
}
r1, _, _ := procGlobalMemoryStatusEx.Call(uintptr(unsafe.Pointer(msi)))
if r1 == 0 {
return &MemInfo{}, nil
}
return &MemInfo{
MemTotal: int64(msi.ullTotalPhys),
MemFree: int64(msi.ullAvailPhys),
SwapTotal: int64(msi.ullTotalPageFile),
SwapFree: int64(msi.ullAvailPageFile),
}, nil
}

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@ -1,22 +0,0 @@
// +build !windows
package system // import "github.com/docker/docker/pkg/system"
import (
"golang.org/x/sys/unix"
)
// Mknod creates a filesystem node (file, device special file or named pipe) named path
// with attributes specified by mode and dev.
func Mknod(path string, mode uint32, dev int) error {
return unix.Mknod(path, mode, dev)
}
// Mkdev is used to build the value of linux devices (in /dev/) which specifies major
// and minor number of the newly created device special file.
// Linux device nodes are a bit weird due to backwards compat with 16 bit device nodes.
// They are, from low to high: the lower 8 bits of the minor, then 12 bits of the major,
// then the top 12 bits of the minor.
func Mkdev(major int64, minor int64) uint32 {
return uint32(unix.Mkdev(uint32(major), uint32(minor)))
}

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@ -1,11 +0,0 @@
package system // import "github.com/docker/docker/pkg/system"
// Mknod is not implemented on Windows.
func Mknod(path string, mode uint32, dev int) error {
return ErrNotSupportedPlatform
}
// Mkdev is not implemented on Windows.
func Mkdev(major int64, minor int64) uint32 {
panic("Mkdev not implemented on Windows.")
}

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@ -1,60 +0,0 @@
package system // import "github.com/docker/docker/pkg/system"
import (
"fmt"
"path/filepath"
"runtime"
"strings"
"github.com/containerd/continuity/pathdriver"
)
const defaultUnixPathEnv = "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
// DefaultPathEnv is unix style list of directories to search for
// executables. Each directory is separated from the next by a colon
// ':' character .
func DefaultPathEnv(os string) string {
if runtime.GOOS == "windows" {
if os != runtime.GOOS {
return defaultUnixPathEnv
}
// Deliberately empty on Windows containers on Windows as the default path will be set by
// the container. Docker has no context of what the default path should be.
return ""
}
return defaultUnixPathEnv
}
// CheckSystemDriveAndRemoveDriveLetter verifies that a path, if it includes a drive letter,
// is the system drive.
// On Linux: this is a no-op.
// On Windows: this does the following>
// CheckSystemDriveAndRemoveDriveLetter verifies and manipulates a Windows path.
// This is used, for example, when validating a user provided path in docker cp.
// If a drive letter is supplied, it must be the system drive. The drive letter
// is always removed. Also, it translates it to OS semantics (IOW / to \). We
// need the path in this syntax so that it can ultimately be concatenated with
// a Windows long-path which doesn't support drive-letters. Examples:
// C: --> Fail
// C:\ --> \
// a --> a
// /a --> \a
// d:\ --> Fail
func CheckSystemDriveAndRemoveDriveLetter(path string, driver pathdriver.PathDriver) (string, error) {
if runtime.GOOS != "windows" || LCOWSupported() {
return path, nil
}
if len(path) == 2 && string(path[1]) == ":" {
return "", fmt.Errorf("No relative path specified in %q", path)
}
if !driver.IsAbs(path) || len(path) < 2 {
return filepath.FromSlash(path), nil
}
if string(path[1]) == ":" && !strings.EqualFold(string(path[0]), "c") {
return "", fmt.Errorf("The specified path is not on the system drive (C:)")
}
return filepath.FromSlash(path[2:]), nil
}

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@ -1,10 +0,0 @@
// +build !windows
package system // import "github.com/docker/docker/pkg/system"
// GetLongPathName converts Windows short pathnames to full pathnames.
// For example C:\Users\ADMIN~1 --> C:\Users\Administrator.
// It is a no-op on non-Windows platforms
func GetLongPathName(path string) (string, error) {
return path, nil
}

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@ -1,24 +0,0 @@
package system // import "github.com/docker/docker/pkg/system"
import "syscall"
// GetLongPathName converts Windows short pathnames to full pathnames.
// For example C:\Users\ADMIN~1 --> C:\Users\Administrator.
// It is a no-op on non-Windows platforms
func GetLongPathName(path string) (string, error) {
// See https://groups.google.com/forum/#!topic/golang-dev/1tufzkruoTg
p := syscall.StringToUTF16(path)
b := p // GetLongPathName says we can reuse buffer
n, err := syscall.GetLongPathName(&p[0], &b[0], uint32(len(b)))
if err != nil {
return "", err
}
if n > uint32(len(b)) {
b = make([]uint16, n)
_, err = syscall.GetLongPathName(&p[0], &b[0], uint32(len(b)))
if err != nil {
return "", err
}
}
return syscall.UTF16ToString(b), nil
}

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@ -1,24 +0,0 @@
// +build linux freebsd darwin
package system // import "github.com/docker/docker/pkg/system"
import (
"syscall"
"golang.org/x/sys/unix"
)
// IsProcessAlive returns true if process with a given pid is running.
func IsProcessAlive(pid int) bool {
err := unix.Kill(pid, syscall.Signal(0))
if err == nil || err == unix.EPERM {
return true
}
return false
}
// KillProcess force-stops a process.
func KillProcess(pid int) {
unix.Kill(pid, unix.SIGKILL)
}

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@ -1,18 +0,0 @@
package system // import "github.com/docker/docker/pkg/system"
import "os"
// IsProcessAlive returns true if process with a given pid is running.
func IsProcessAlive(pid int) bool {
_, err := os.FindProcess(pid)
return err == nil
}
// KillProcess force-stops a process.
func KillProcess(pid int) {
p, err := os.FindProcess(pid)
if err == nil {
p.Kill()
}
}

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@ -1,80 +0,0 @@
package system // import "github.com/docker/docker/pkg/system"
import (
"os"
"syscall"
"time"
"github.com/docker/docker/pkg/mount"
"github.com/pkg/errors"
)
// EnsureRemoveAll wraps `os.RemoveAll` to check for specific errors that can
// often be remedied.
// Only use `EnsureRemoveAll` if you really want to make every effort to remove
// a directory.
//
// Because of the way `os.Remove` (and by extension `os.RemoveAll`) works, there
// can be a race between reading directory entries and then actually attempting
// to remove everything in the directory.
// These types of errors do not need to be returned since it's ok for the dir to
// be gone we can just retry the remove operation.
//
// This should not return a `os.ErrNotExist` kind of error under any circumstances
func EnsureRemoveAll(dir string) error {
notExistErr := make(map[string]bool)
// track retries
exitOnErr := make(map[string]int)
maxRetry := 50
// Attempt to unmount anything beneath this dir first
mount.RecursiveUnmount(dir)
for {
err := os.RemoveAll(dir)
if err == nil {
return nil
}
pe, ok := err.(*os.PathError)
if !ok {
return err
}
if os.IsNotExist(err) {
if notExistErr[pe.Path] {
return err
}
notExistErr[pe.Path] = true
// There is a race where some subdir can be removed but after the parent
// dir entries have been read.
// So the path could be from `os.Remove(subdir)`
// If the reported non-existent path is not the passed in `dir` we
// should just retry, but otherwise return with no error.
if pe.Path == dir {
return nil
}
continue
}
if pe.Err != syscall.EBUSY {
return err
}
if mounted, _ := mount.Mounted(pe.Path); mounted {
if e := mount.Unmount(pe.Path); e != nil {
if mounted, _ := mount.Mounted(pe.Path); mounted {
return errors.Wrapf(e, "error while removing %s", dir)
}
}
}
if exitOnErr[pe.Path] == maxRetry {
return err
}
exitOnErr[pe.Path]++
time.Sleep(100 * time.Millisecond)
}
}

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@ -1,13 +0,0 @@
package system // import "github.com/docker/docker/pkg/system"
import "syscall"
// fromStatT converts a syscall.Stat_t type to a system.Stat_t type
func fromStatT(s *syscall.Stat_t) (*StatT, error) {
return &StatT{size: s.Size,
mode: uint32(s.Mode),
uid: s.Uid,
gid: s.Gid,
rdev: uint64(s.Rdev),
mtim: s.Mtimespec}, nil
}

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@ -1,13 +0,0 @@
package system // import "github.com/docker/docker/pkg/system"
import "syscall"
// fromStatT converts a syscall.Stat_t type to a system.Stat_t type
func fromStatT(s *syscall.Stat_t) (*StatT, error) {
return &StatT{size: s.Size,
mode: uint32(s.Mode),
uid: s.Uid,
gid: s.Gid,
rdev: uint64(s.Rdev),
mtim: s.Mtimespec}, nil
}

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@ -1,19 +0,0 @@
package system // import "github.com/docker/docker/pkg/system"
import "syscall"
// fromStatT converts a syscall.Stat_t type to a system.Stat_t type
func fromStatT(s *syscall.Stat_t) (*StatT, error) {
return &StatT{size: s.Size,
mode: s.Mode,
uid: s.Uid,
gid: s.Gid,
rdev: s.Rdev,
mtim: s.Mtim}, nil
}
// FromStatT converts a syscall.Stat_t type to a system.Stat_t type
// This is exposed on Linux as pkg/archive/changes uses it.
func FromStatT(s *syscall.Stat_t) (*StatT, error) {
return fromStatT(s)
}

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@ -1,13 +0,0 @@
package system // import "github.com/docker/docker/pkg/system"
import "syscall"
// fromStatT converts a syscall.Stat_t type to a system.Stat_t type
func fromStatT(s *syscall.Stat_t) (*StatT, error) {
return &StatT{size: s.Size,
mode: uint32(s.Mode),
uid: s.Uid,
gid: s.Gid,
rdev: uint64(s.Rdev),
mtim: s.Mtim}, nil
}

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@ -1,13 +0,0 @@
package system // import "github.com/docker/docker/pkg/system"
import "syscall"
// fromStatT converts a syscall.Stat_t type to a system.Stat_t type
func fromStatT(s *syscall.Stat_t) (*StatT, error) {
return &StatT{size: s.Size,
mode: uint32(s.Mode),
uid: s.Uid,
gid: s.Gid,
rdev: uint64(s.Rdev),
mtim: s.Mtim}, nil
}

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@ -1,66 +0,0 @@
// +build !windows
package system // import "github.com/docker/docker/pkg/system"
import (
"os"
"syscall"
)
// StatT type contains status of a file. It contains metadata
// like permission, owner, group, size, etc about a file.
type StatT struct {
mode uint32
uid uint32
gid uint32
rdev uint64
size int64
mtim syscall.Timespec
}
// Mode returns file's permission mode.
func (s StatT) Mode() uint32 {
return s.mode
}
// UID returns file's user id of owner.
func (s StatT) UID() uint32 {
return s.uid
}
// GID returns file's group id of owner.
func (s StatT) GID() uint32 {
return s.gid
}
// Rdev returns file's device ID (if it's special file).
func (s StatT) Rdev() uint64 {
return s.rdev
}
// Size returns file's size.
func (s StatT) Size() int64 {
return s.size
}
// Mtim returns file's last modification time.
func (s StatT) Mtim() syscall.Timespec {
return s.mtim
}
// IsDir reports whether s describes a directory.
func (s StatT) IsDir() bool {
return s.mode&syscall.S_IFDIR != 0
}
// Stat takes a path to a file and returns
// a system.StatT type pertaining to that file.
//
// Throws an error if the file does not exist
func Stat(path string) (*StatT, error) {
s := &syscall.Stat_t{}
if err := syscall.Stat(path, s); err != nil {
return nil, &os.PathError{Op: "Stat", Path: path, Err: err}
}
return fromStatT(s)
}

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@ -1,49 +0,0 @@
package system // import "github.com/docker/docker/pkg/system"
import (
"os"
"time"
)
// StatT type contains status of a file. It contains metadata
// like permission, size, etc about a file.
type StatT struct {
mode os.FileMode
size int64
mtim time.Time
}
// Size returns file's size.
func (s StatT) Size() int64 {
return s.size
}
// Mode returns file's permission mode.
func (s StatT) Mode() os.FileMode {
return os.FileMode(s.mode)
}
// Mtim returns file's last modification time.
func (s StatT) Mtim() time.Time {
return time.Time(s.mtim)
}
// Stat takes a path to a file and returns
// a system.StatT type pertaining to that file.
//
// Throws an error if the file does not exist
func Stat(path string) (*StatT, error) {
fi, err := os.Stat(path)
if err != nil {
return nil, err
}
return fromStatT(&fi)
}
// fromStatT converts a os.FileInfo type to a system.StatT type
func fromStatT(fi *os.FileInfo) (*StatT, error) {
return &StatT{
size: (*fi).Size(),
mode: (*fi).Mode(),
mtim: (*fi).ModTime()}, nil
}

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@ -1,17 +0,0 @@
// +build linux freebsd
package system // import "github.com/docker/docker/pkg/system"
import "golang.org/x/sys/unix"
// Unmount is a platform-specific helper function to call
// the unmount syscall.
func Unmount(dest string) error {
return unix.Unmount(dest, 0)
}
// CommandLineToArgv should not be used on Unix.
// It simply returns commandLine in the only element in the returned array.
func CommandLineToArgv(commandLine string) ([]string, error) {
return []string{commandLine}, nil
}

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@ -1,193 +0,0 @@
package system // import "github.com/docker/docker/pkg/system"
import (
"fmt"
"syscall"
"unsafe"
"github.com/sirupsen/logrus"
"golang.org/x/sys/windows"
)
const (
OWNER_SECURITY_INFORMATION = 0x00000001
GROUP_SECURITY_INFORMATION = 0x00000002
DACL_SECURITY_INFORMATION = 0x00000004
SACL_SECURITY_INFORMATION = 0x00000008
LABEL_SECURITY_INFORMATION = 0x00000010
ATTRIBUTE_SECURITY_INFORMATION = 0x00000020
SCOPE_SECURITY_INFORMATION = 0x00000040
PROCESS_TRUST_LABEL_SECURITY_INFORMATION = 0x00000080
ACCESS_FILTER_SECURITY_INFORMATION = 0x00000100
BACKUP_SECURITY_INFORMATION = 0x00010000
PROTECTED_DACL_SECURITY_INFORMATION = 0x80000000
PROTECTED_SACL_SECURITY_INFORMATION = 0x40000000
UNPROTECTED_DACL_SECURITY_INFORMATION = 0x20000000
UNPROTECTED_SACL_SECURITY_INFORMATION = 0x10000000
)
const (
SE_UNKNOWN_OBJECT_TYPE = iota
SE_FILE_OBJECT
SE_SERVICE
SE_PRINTER
SE_REGISTRY_KEY
SE_LMSHARE
SE_KERNEL_OBJECT
SE_WINDOW_OBJECT
SE_DS_OBJECT
SE_DS_OBJECT_ALL
SE_PROVIDER_DEFINED_OBJECT
SE_WMIGUID_OBJECT
SE_REGISTRY_WOW64_32KEY
)
const (
SeTakeOwnershipPrivilege = "SeTakeOwnershipPrivilege"
)
const (
ContainerAdministratorSidString = "S-1-5-93-2-1"
ContainerUserSidString = "S-1-5-93-2-2"
)
var (
ntuserApiset = windows.NewLazyDLL("ext-ms-win-ntuser-window-l1-1-0")
modadvapi32 = windows.NewLazySystemDLL("advapi32.dll")
procGetVersionExW = modkernel32.NewProc("GetVersionExW")
procGetProductInfo = modkernel32.NewProc("GetProductInfo")
procSetNamedSecurityInfo = modadvapi32.NewProc("SetNamedSecurityInfoW")
procGetSecurityDescriptorDacl = modadvapi32.NewProc("GetSecurityDescriptorDacl")
)
// OSVersion is a wrapper for Windows version information
// https://msdn.microsoft.com/en-us/library/windows/desktop/ms724439(v=vs.85).aspx
type OSVersion struct {
Version uint32
MajorVersion uint8
MinorVersion uint8
Build uint16
}
// https://msdn.microsoft.com/en-us/library/windows/desktop/ms724833(v=vs.85).aspx
type osVersionInfoEx struct {
OSVersionInfoSize uint32
MajorVersion uint32
MinorVersion uint32
BuildNumber uint32
PlatformID uint32
CSDVersion [128]uint16
ServicePackMajor uint16
ServicePackMinor uint16
SuiteMask uint16
ProductType byte
Reserve byte
}
// GetOSVersion gets the operating system version on Windows. Note that
// docker.exe must be manifested to get the correct version information.
func GetOSVersion() OSVersion {
var err error
osv := OSVersion{}
osv.Version, err = windows.GetVersion()
if err != nil {
// GetVersion never fails.
panic(err)
}
osv.MajorVersion = uint8(osv.Version & 0xFF)
osv.MinorVersion = uint8(osv.Version >> 8 & 0xFF)
osv.Build = uint16(osv.Version >> 16)
return osv
}
func (osv OSVersion) ToString() string {
return fmt.Sprintf("%d.%d.%d", osv.MajorVersion, osv.MinorVersion, osv.Build)
}
// IsWindowsClient returns true if the SKU is client
// @engine maintainers - this function should not be removed or modified as it
// is used to enforce licensing restrictions on Windows.
func IsWindowsClient() bool {
osviex := &osVersionInfoEx{OSVersionInfoSize: 284}
r1, _, err := procGetVersionExW.Call(uintptr(unsafe.Pointer(osviex)))
if r1 == 0 {
logrus.Warnf("GetVersionExW failed - assuming server SKU: %v", err)
return false
}
const verNTWorkstation = 0x00000001
return osviex.ProductType == verNTWorkstation
}
// IsIoTCore returns true if the currently running image is based off of
// Windows 10 IoT Core.
// @engine maintainers - this function should not be removed or modified as it
// is used to enforce licensing restrictions on Windows.
func IsIoTCore() bool {
var returnedProductType uint32
r1, _, err := procGetProductInfo.Call(6, 1, 0, 0, uintptr(unsafe.Pointer(&returnedProductType)))
if r1 == 0 {
logrus.Warnf("GetProductInfo failed - assuming this is not IoT: %v", err)
return false
}
const productIoTUAP = 0x0000007B
const productIoTUAPCommercial = 0x00000083
return returnedProductType == productIoTUAP || returnedProductType == productIoTUAPCommercial
}
// Unmount is a platform-specific helper function to call
// the unmount syscall. Not supported on Windows
func Unmount(dest string) error {
return nil
}
// CommandLineToArgv wraps the Windows syscall to turn a commandline into an argument array.
func CommandLineToArgv(commandLine string) ([]string, error) {
var argc int32
argsPtr, err := windows.UTF16PtrFromString(commandLine)
if err != nil {
return nil, err
}
argv, err := windows.CommandLineToArgv(argsPtr, &argc)
if err != nil {
return nil, err
}
defer windows.LocalFree(windows.Handle(uintptr(unsafe.Pointer(argv))))
newArgs := make([]string, argc)
for i, v := range (*argv)[:argc] {
newArgs[i] = string(windows.UTF16ToString((*v)[:]))
}
return newArgs, nil
}
// HasWin32KSupport determines whether containers that depend on win32k can
// run on this machine. Win32k is the driver used to implement windowing.
func HasWin32KSupport() bool {
// For now, check for ntuser API support on the host. In the future, a host
// may support win32k in containers even if the host does not support ntuser
// APIs.
return ntuserApiset.Load() == nil
}
func SetNamedSecurityInfo(objectName *uint16, objectType uint32, securityInformation uint32, sidOwner *windows.SID, sidGroup *windows.SID, dacl *byte, sacl *byte) (result error) {
r0, _, _ := syscall.Syscall9(procSetNamedSecurityInfo.Addr(), 7, uintptr(unsafe.Pointer(objectName)), uintptr(objectType), uintptr(securityInformation), uintptr(unsafe.Pointer(sidOwner)), uintptr(unsafe.Pointer(sidGroup)), uintptr(unsafe.Pointer(dacl)), uintptr(unsafe.Pointer(sacl)), 0, 0)
if r0 != 0 {
result = syscall.Errno(r0)
}
return
}
func GetSecurityDescriptorDacl(securityDescriptor *byte, daclPresent *uint32, dacl **byte, daclDefaulted *uint32) (result error) {
r1, _, e1 := syscall.Syscall6(procGetSecurityDescriptorDacl.Addr(), 4, uintptr(unsafe.Pointer(securityDescriptor)), uintptr(unsafe.Pointer(daclPresent)), uintptr(unsafe.Pointer(dacl)), uintptr(unsafe.Pointer(daclDefaulted)), 0, 0)
if r1 == 0 {
if e1 != 0 {
result = syscall.Errno(e1)
} else {
result = syscall.EINVAL
}
}
return
}

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@ -1,13 +0,0 @@
// +build !windows
package system // import "github.com/docker/docker/pkg/system"
import (
"golang.org/x/sys/unix"
)
// Umask sets current process's file mode creation mask to newmask
// and returns oldmask.
func Umask(newmask int) (oldmask int, err error) {
return unix.Umask(newmask), nil
}

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@ -1,7 +0,0 @@
package system // import "github.com/docker/docker/pkg/system"
// Umask is not supported on the windows platform.
func Umask(newmask int) (oldmask int, err error) {
// should not be called on cli code path
return 0, ErrNotSupportedPlatform
}

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@ -1,24 +0,0 @@
package system // import "github.com/docker/docker/pkg/system"
import (
"syscall"
"unsafe"
"golang.org/x/sys/unix"
)
// LUtimesNano is used to change access and modification time of the specified path.
// It's used for symbol link file because unix.UtimesNano doesn't support a NOFOLLOW flag atm.
func LUtimesNano(path string, ts []syscall.Timespec) error {
var _path *byte
_path, err := unix.BytePtrFromString(path)
if err != nil {
return err
}
if _, _, err := unix.Syscall(unix.SYS_LUTIMES, uintptr(unsafe.Pointer(_path)), uintptr(unsafe.Pointer(&ts[0])), 0); err != 0 && err != unix.ENOSYS {
return err
}
return nil
}

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