Added the sshd server

sshd/etc/cont-init.d/init-host-keys.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+
+if [ ! -f "/config/host_keys/ssh_host_rsa_key" ] ; then
+	mkdir -p /config/host_keys
+	ssh-keygen -t ed25519 -f /config/host_keys/ssh_host_ed25519_key -N "" < /dev/null
+	ssh-keygen -t rsa -b 4096 -f /config/host_keys/ssh_host_rsa_key -N "" < /dev/null
+fi

sshd/etc/cont-init.d/init-sshd.sh

@@ -0,0 +1,88 @@
+#! /bin/bash
+
+cp /etc/ssh/sshd_config.default /etc/ssh/sshd_config
+
+function init_user {
+	# First create the user
+	options=
+	if [[ "$3" != "" ]]; then
+		options+="-u $3 "
+	fi
+	if [[ "$4" != "" ]]; then
+		grep ":$4:" /etc/group || addgroup -g $4 "group-$4"
+		options+="-G `getent group $4 | sed 's/:.*//'` "
+	fi
+	if [[ "$5" != "" ]]; then
+		options+="-h $5 "
+	else
+		options+="-h /home/$1 "
+	fi
+	if [[ "$2" = "ssh" || "$2" = "borg" || "$2" = "rsync" ]]; then
+		adduser -D $options -s /bin/bash $1
+	else
+		adduser -D $options -s /bin/false $1
+	fi
+	passwd -u $1
+
+	# Adjust the keys permissions
+	chown $1 /config/users_keys/$1
+	chmod 400 /config/users_keys/$1
+
+	# Update sshd-config
+	sed -i "/^AllowUsers/ s/$/ $1/" /etc/ssh/sshd_config
+	if [[ $2 = "sftp" ]]; then
+		echo "Match User $1" >> /etc/ssh/sshd_config
+		echo "  ForceCommand internal-sftp" >> /etc/ssh/sshd_config
+		if [[ $6 != "" ]]; then
+			echo "  ChrootDirectory $6" >> /etc/ssh/sshd_config
+			chown root:root $6
+		fi
+	elif [[ $2 = "borg" ]]; then
+		echo "Match User $1" >> /etc/ssh/sshd_config
+		if [[ $6 != "" ]]; then
+			echo "  ForceCommand borg serve --restrict-to-path $6" >> /etc/ssh/sshd_config
+		else
+			echo "  ForceCommand borg serve" >> /etc/ssh/sshd_config
+		fi
+	elif [[ $2 = "rsync" ]]; then
+		echo "Match User $1" >> /etc/ssh/sshd_config
+		if [[ $6 != "" ]]; then
+			echo "  ForceCommand rrsync $6" >> /etc/ssh/sshd_config
+		else
+			echo "  ForceCommand rrsync ." >> /etc/ssh/sshd_config
+		fi
+	fi
+}
+
+while read line; do
+	if [[ "$line" =~ ^\[ ]]; then
+		if [[ "$user" != "" ]]; then
+			init_user "$user" "$type" "$uid" "$gid" "$home" "$chroot"
+		fi
+
+		name=${line#*\[}
+		name=${name%%\]}
+
+		user=$name
+		type=
+		uid=
+		gid=
+		home=
+		chroot=
+	elif [[ "$line" =~ ^[^#]*= ]]; then
+		name=${line%% =*}
+		value=${line#*= }
+		if [[ $name = "Type" ]]; then
+			type=$value
+		elif [[ $name = "UID" ]]; then
+			uid=$value
+		elif [[ $name = "GID" ]]; then
+			gid=$value
+		elif [[ $name = "Home" ]]; then
+			home=$value
+		elif [[ $name = "Chroot" ]]; then
+			chroot=$value
+		fi
+	fi
+done < /config/config.ini
+init_user "$user" "$type" "$uid" "$gid" "$home" "$chroot"