Initial Commit

.editorconfig

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+# top-most EditorConfig file
+root = true
+
+# Default style
+[*]
+# Default UTF-8 charset
+charset = utf-8
+# Unix-style newlines with a newline ending every file
+end_of_line = lf
+insert_final_newline = true
+# Indent with 4 spaces
+indent_style = space
+indent_size = 4
+# Trim space at end of line
+trim_trailing_whitespace = true

.gitattributes

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+# Don't change line ending; Check-out as-is, commit as-is.
+# i.e.: git config --global core.autocrlf false
+* -text

.github/workflows/deploy_development.yml

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+name: Deploy Development Build
+
+# Trigger on push to "development" branch
+on:
+  push:
+    branches:
+      - development
+    paths:
+      - .github/**
+      - files/**
+      - Dockerfile
+
+jobs:
+  build_deploy_to_registry:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Set up Docker Buildx
+        uses: crazy-max/ghaction-docker-buildx@v3.1.0
+
+      - name: Docker login
+        run: docker login --username '${{secrets.REGISTRY_USERNAME}}' --password '${{secrets.REGISTRY_ACCESS_TOKEN}}'
+
+      - name: Build + Push image ("development")
+        run: |
+          docker buildx build \
+            --platform "linux/amd64,linux/arm/v7,linux/arm64" \
+            --tag "${{secrets.REGISTRY_USERNAME}}/openconnect:development" \
+            --output "type=image,push=true" \
+            --file ./Dockerfile .

.github/workflows/deploy_release.yml

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+name: Deploy Release Build
+
+# Trigger on release
+on:
+  release:
+    types:
+      - released
+
+jobs:
+  build_deploy_to_registry:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Set up Docker Buildx
+        uses: crazy-max/ghaction-docker-buildx@v3.1.0
+
+      - name: Docker login
+        run: docker login --username '${{secrets.REGISTRY_USERNAME}}' --password '${{secrets.REGISTRY_ACCESS_TOKEN}}'
+
+      - name: Build + Push image (tag = git release tag)
+        run: |
+          docker buildx build \
+            --platform "linux/amd64,linux/arm/v7,linux/arm64" \
+            --tag "${{secrets.REGISTRY_USERNAME}}/openconnect:${GITHUB_REF#refs/tags/}" \
+            --output "type=image,push=true" \
+            --file ./Dockerfile .
+
+      - name: Build + Push image ("latest")
+        run: |
+          docker buildx build \
+            --platform "linux/amd64,linux/arm/v7,linux/arm64" \
+            --tag "${{secrets.REGISTRY_USERNAME}}/openconnect:latest" \
+            --output "type=image,push=true" \
+            --file ./Dockerfile .

.github/workflows/validate_pull_request.yml

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+name: Validate Pull Request
+
+# Trigger on pull request, for things that warrants re-build
+on:
+  pull_request:
+    branches:
+      - master
+    paths:
+      - .github/**
+      - files/**
+      - Dockerfile
+
+jobs:
+  # Verify image build success
+  build_image:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Set up Docker Buildx
+        uses: crazy-max/ghaction-docker-buildx@master
+
+      - name: Build image (no push)
+        run: |
+          docker buildx build \
+            --platform "linux/amd64,linux/arm/v7,linux/arm64" \
+            --output "type=image,push=false" \
+            --file ./Dockerfile .

Dockerfile

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+FROM debian:10-slim
+
+ARG DEBIAN_FRONTEND=noninteractive
+
+RUN apt update && \
+    apt install -y --no-install-recommends openconnect ca-certificates && \
+    apt clean
+
+CMD openconnect --help

README.md

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+# OpenConnect
+
+OpenConnect is a multi-VPN-client for:
+- [Cisco's AnyConnect SSL VPN](http://www.cisco.com/go/asm)
+- [Pulse Connect Secure](https://www.pulsesecure.net/products/connect-secure/)
+- [Palo Alto Networks GlobalProtect SSL VPN](https://www.paloaltonetworks.com/features/vpn)
+
+This repository builds and publish Docker images for my own use, but you're more than welcome to use it.
+
+For official source code, go to [openconnect/openconnect](https://github.com/openconnect/openconnect).
+
+# Licence
+
+All work in this repository is published as [GNU General Public License, version 3](https://www.gnu.org/licenses/gpl-3.0.en.html).
+
+
+
+
+# Run with Docker
+
+e.g. Connect to Palo Alto Networks GlobalProtect SSL VPN:
+```
+docker run --rm -it --privileged --net=host klo2k/openconnect openconnect --protocol=gp vpn.example.com
+```
+
+
+
+
+# Build with "docker buildx"
+
+Initialise [buildx](https://docs.docker.com/buildx/working-with-buildx/), if you're on a x64 machine:
+```
+# Enable experimental mode
+export DOCKER_CLI_EXPERIMENTAL=enabled
+
+# Enable ARM support
+docker run --rm --privileged linuxkit/binfmt:v0.8
+
+# Create 'mybuilder' if not exist, set as default builder
+docker buildx inspect mybuilder||docker buildx create --name mybuilder
+docker buildx use mybuilder
+
+# Start builder
+docker buildx inspect --bootstrap
+```
+
+Build for x64 (x86_64):
+```
+docker buildx build --pull \
+  --platform "linux/amd64" \
+  --tag "klo2k/openconnect" \
+  --output=type=docker \
+  .
+```
+
+For ARM 32-bit (armv7l), use `--platform "linux/arm/v7"`
+
+For ARM 64-bit (aarch64), use `--platform "linux/arm64"`