123 lines
6.2 KiB
Cheetah
123 lines
6.2 KiB
Cheetah
{{- if (ne .host.distro.family "windows") -}}
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#!/usr/bin/env bash
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# @file Samba Configuration
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# @brief This script configures Samba by applying the configuration stored in `${XDG_DATA_HOME:-$HOME/.config}/samba/config` if the `smbd` application is available
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# @description
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# This script applies the Samba configuration stored in `${XDG_DATA_HOME:-$HOME/.config}/samba/config` if Samba is installed.
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# The script and default configuration set up two Samba shares.
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#
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# ## Security
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#
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# Both shares are configured by default to only accept connections
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# from hosts with DNS that ends in `.local.PUBLIC_SERVICES_DOMAIN`, where `PUBLIC_SERVICES_DOMAIN` is an environment variable that
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# can be passed into Install Doctor. So, if your `PUBLIC_SERVICES_DOMAIN` environment variable is set to `megabyte.space`, then
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# a device with a FQDN of `alpha.local.megabyte.space` pointing to its LAN location will be able to connect but a device
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# with a FQDN of `alpha.megabyte.space` will not be able to connect.
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#
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# ## Samba Shares / S3 Backup
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#
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# If CloudFlare R2 credentials are provided, Samba is configured to store its shared files in the Rclone mounts so that your
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# Samba shares are synchronized to the S3 buckets. If not, new folders are created. Either way, the folder / symlink that the
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# shares host data from are stored at `/mnt/Private` and `/mnt/Public` (*Note: Different paths are used on macOS*).
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#
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# 1. The **public** share (named "Public") can be accessed by anyone (including write permissions with the default settings)
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# 2. The **private** share (named "Private") can be accessed by specifying the PAM credentials of anyone who has an account that is included in the `sambausers` group
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#
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# ## Symlinks
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#
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# Symlinks are disabled for security reasons. This is because, with symlinking enabled, people can create symlinks on the shares and use the symlinks to access system files outside of the
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# Samba shares. There are commented-out lines in the default configuration that you can uncomment to enable the symlinks in shares.
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#
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# ## Printers
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#
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# Printer sharing is not enabled by default. There are commented lines in the default configuration that should provide a nice stepping
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# stone if you want to use Samba for printer sharing (with CUPS).
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#
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# ## Environment Variables
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#
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# The following chart details some of the environment variables that are used to determine the configuration of the
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# Samba shares:
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#
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# | Environment Variable | Description |
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# |-----------------------------|-----------------------------------------------------------------------------------------------------|
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# | `PUBLIC_SERVICES_DOMAIN` | Used to determine which hosts can connect to the Samba share (e.g. `.local.PUBLIC_SERVICES_DOMAIN`) |
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# | `SAMBA_NETBIOS_NAME` | Determines the NetBIOS name (defaults to the `HOSTNAME` environment variable value) |
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# | `SAMBA_WORKGROUP` | Controls Samba workgroup name (defaults to "BETELGEUSE") |
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#
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# ## Links
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#
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# * [Default Samba configuration](https://github.com/megabyte-labs/install.doctor/tree/master/home/dot_local/samba/config.tmpl)
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# * [Secrets / Environment variables documentation](https://install.doctor/docs/customization/secrets)
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{{ includeTemplate "universal/profile" }}
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{{ includeTemplate "universal/logg" }}
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### Configure Samba server
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if command -v smbd > /dev/null; then
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# Add user / group with script in ~/.local/bin/add-user, if it is available
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if command -v add-user > /dev/null; then
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sudo add-user rclone
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fi
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### Define share locations
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if [ -d /Applications ] && [ -d /System ]; then
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### macOS does not have `/mnt` folder so use `/Volumes` location
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MNT_FOLDER='Volumes'
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else
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MNT_FOLDER='mnt'
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fi
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PRIVATE_SHARE="/$MNT_FOLDER/Private"
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PUBLIC_SHARE="/$MNT_FOLDER/Public"
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### Copy the Samba server configuration file
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if [ -d /Applications ] && [ -d /System ]; then
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logg info 'Ensuring /Volumes for S3 buckets and Samba shares are configured'
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logg info "Ensuring $PRIVATE_SHARE is created"
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sudo mkdir -p "$PRIVATE_SHARE"
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sudo chmod 770 "$PRIVATE_SHARE"
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sudo chown -Rf rclone:rclone "$PRIVATE_SHARE"
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logg info "Ensuring $PUBLIC_SHARE is created"
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sudo mkdir -p "$PUBLIC_SHARE"
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sudo chmod 775 "$PUBLIC_SHARE"
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sudo chown -Rf rclone:rclone "$PUBLIC_SHARE"
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logg info "Ensuring $HOME/Public is created"
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mkdir -p "$HOME/Public"
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chmod 775 "$HOME/Public"
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chown -Rf {{ .user.username }}:rclone "$HOME/Public"
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sudo sharing -a "$PRIVATE_SHARE" -S "Private (System)" -n "Private (System)" -g 000 -s 001 -E 1 -R 1 && logg success "Configured $PRIVATE_SHARE as a private Samba share"
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sudo sharing -a "$PUBLIC_SHARE" -S "Public (System)" -n "Public (System)" -g 001 -s 001 -E 1 -R 0 && logg success "Configured $PUBLIC_SHARE as a public Samba share"
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sudo sharing -a "$HOME/Public" -S "Public (User)" -n "Public (User)" -g 001 -s 001 -E 1 -R 0 && logg success "Configured $HOME/Public as a public Samba share"
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else
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logg info 'Ensuring /mnt for S3 buckets and Samba shares are configured'
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logg info "Ensuring $PRIVATE_SHARE is created"
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sudo mkdir -p "$PRIVATE_SHARE"
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sudo chmod 770 "$PRIVATE_SHARE"
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sudo chown -Rf rclone:rclone "$PRIVATE_SHARE"
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logg info "Ensuring $PUBLIC_SHARE is created"
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sudo mkdir -p "$PUBLIC_SHARE"
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sudo chmod 775 "$PUBLIC_SHARE"
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sudo chown -Rf rclone:rclone "$PUBLIC_SHARE"
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logg info "Ensuring $HOME/Public is created"
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mkdir -p "$HOME/Public"
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chmod 775 "$HOME/Public"
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chown -Rf {{ .user.username }}:rclone "$HOME/Public"
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logg info "Copying Samba server configuration to /etc/samba/smb.conf"
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sudo cp -f "${XDG_CONFIG_HOME:-$HOME/.config}/samba/config" "/etc/samba/smb.conf"
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### Reload configuration file changes
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logg info 'Reloading the `smbd` config'
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smbcontrol smbd reload-config
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fi
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else
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logg info "Samba server is not installed"
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fi
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{{ end -}}
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