[__opendkim*] add debian support

type/__opendkim/files/opendkim.conf.sh

@@ -3,6 +3,9 @@
 
 echo "# Managed remotely, manual changes will be lost."
 
+# Used for OS-specific configuration.
+os=$(cat "${__global:?}/explorer/os")
+
 # Optional chdir(2)
 if [ "$BASEDIR" ];
 then
@@ -63,3 +66,16 @@ if [ "$USERID" ];
 then
 	printf "UserID %s\n" "$USERID"
 fi
+
+if [ "$os" = "debian" ]; then
+	cat <<- EOF
+	# In Debian, opendkim runs as user "opendkim". A umask of 007 is required when
+	# using a local socket with MTAs that access the socket as a non-privileged
+	# user (for example, Postfix). You may need to add user "postfix" to group
+	# "opendkim" in that case.
+	UserID			opendkim
+	UMask			007
+
+	PidFile			/run/opendkim/opendkim.pid
+	EOF
+fi

type/__opendkim/man.rst

@@ -14,8 +14,8 @@ installation and basic configuration of an instance of OpenDKIM.
 Note that this type does not generate or ensure that a key is present: use
 `cdist-type__opendkim-genkey(7)` for that.
 
-Note that this type is currently only implemented for Alpine Linux and FreeBSD.
-Please contribute an implementation if you can.
+Note that this type is currently only implemented for Debian, Alpine Linux and
+FreeBSD. Please contribute an implementation if you can.
 
 
 REQUIRED PARAMETERS

type/__opendkim/manifest

@@ -21,13 +21,20 @@
 os=$(cat "${__global:?}/explorer/os")
 
 CFG_DIR="/etc/opendkim"
+CFG_FILE="$CFG_DIR/opendkim.conf"
 service="opendkim"
 case "$os" in
 'alpine')
 	:
 	;;
+'debian')
+	CFG_DIR="/etc/dkimkeys"
+	CFG_FILE="/etc/opendkim.conf"
+	;;
 'freebsd')
 	CFG_DIR="/usr/local/etc/mail"
+	CFG_FILE="$CFG_DIR/opendkim.conf"
+
 	service="milter-opendkim"
 	;;
 *)
@@ -75,7 +82,7 @@ fi
 
 # Generate and deploy configuration file.
 source_file="${__object:?}/files/opendkim.conf"
-target_file="${CFG_DIR}/opendkim.conf"
+target_file="${CFG_FILE}"
 
 mkdir -p "${__object:?}/files"
 

type/__opendkim_genkey/gencode-remote

@@ -18,6 +18,30 @@
 # along with cdist. If not, see <http://www.gnu.org/licenses/>.
 #
 
+os=$(cat "${__global:?}/explorer/os")
+
+
+case "$os" in
+'debian')
+	KEYS_DIR="/etc/dkimkeys/"
+;;
+'freebsd'|'alpine')
+	KEYS_DIR="/var/db/dkim/"
+;;
+*)
+	cat <<- EOF >&2
+	__opendkim_genkey does not support $os (yet). Exiting.
+	EOF
+	exit 1
+;;
+esac
+
+if [ -f "${__object:?}/parameter/directory" ];
+then
+	# Be forgiving about a lack of trailing slash
+	KEYS_DIR="$(sed -E 's!([^/])$!\1/!' < "${__object:?}/parameter/directory")"
+fi
+
 # Required parameters
 DOMAIN="$(cat "${__object:?}/parameter/domain")"
 SELECTOR="$(cat "${__object:?}/parameter/selector")"
@@ -28,12 +52,6 @@ if [ -f "${__object:?}/parameter/bits" ]; then
 	BITS="-b $(cat "${__object:?}/parameter/bits")"
 fi
 
-DIRECTORY="/var/db/dkim/"
-if [ -f "${__object:?}/parameter/directory" ]; then
-	# Be forgiving about a lack of trailing slash
-	DIRECTORY="$(sed -E 's!([^/])$!\1/!' < "${__object:?}/parameter/directory")"
-fi
-
 # Boolean parameters
 SUBDOMAINS=
 if [ -f "${__object:?}/parameter/no-subdomains" ]; then
@@ -48,9 +66,9 @@ fi
 user="$(cat "${__object:?}/user")"
 group="$(cat "${__object:?}/group")"
 
-if ! [ -f "${DIRECTORY}${SELECTOR}.private" ]; then
-	echo "opendkim-genkey $BITS --domain=$DOMAIN --directory=$DIRECTORY $RESTRICTED --selector=$SELECTOR $SUBDOMAINS"
-	echo "chown ${user}:${group} ${DIRECTORY}${SELECTOR}.private"
+if ! [ -f "${KEYS_DIR}${SELECTOR}.private" ]; then
+	echo "opendkim-genkey $BITS --domain=$DOMAIN --directory=$KEYS_DIR $RESTRICTED --selector=$SELECTOR $SUBDOMAINS"
+	echo "chown ${user}:${group} ${KEYS_DIR}${SELECTOR}.private"
 	# This is usually generated, if it weren't we do not want to fail
-	echo "chown ${user}:${group} ${DIRECTORY}${SELECTOR}.txt || true"
+	echo "chown ${user}:${group} ${KEYS_DIR}${SELECTOR}.txt || true"
 fi

type/__opendkim_genkey/man.rst

@@ -17,7 +17,7 @@ will be added to the OpenDKIM signing table, using either the domain or the
 provided key for the `domain:selector:keyfile` value in the table. An existing
 key will not be overwritten.
 
-Currently, this type is only implemented for Alpine Linux and FreeBSD.
+Currently, this type is only implemented for Debian, Alpine Linux and FreeBSD.
 Please contribute an implementation if you can.
 
 REQUIRED PARAMETERS

type/__opendkim_genkey/manifest

@@ -21,13 +21,18 @@
 
 os=$(cat "${__global:?}/explorer/os")
 
-CFG_DIR="/etc/opendkim"
+CFG_DIR="/etc/opendkim/"
+KEYS_DIR="/var/db/dkim/"
 user="opendkim"
 group="opendkim"
 case "$os" in
 'alpine')
 	:
 ;;
+'debian')
+	CFG_DIR="/etc/dkimkeys/"
+	KEYS_DIR="/etc/dkimkeys/"
+;;
 'freebsd')
 	CFG_DIR="/usr/local/etc/mail"
 	user="mailnull"
@@ -35,9 +40,9 @@ case "$os" in
 ;;
 *)
 	cat <<- EOF >&2
-	__opendkim_genkey currently only supports Alpine Linux. Please
-	contribute an implementation for $os if you can.
+	__opendkim_genkey does not support $os (yet). Exiting.
 	EOF
+	exit 1
 ;;
 esac
 # Persist user and group for gencode-remote
@@ -47,11 +52,10 @@ printf '%s' "${group}" > "${__object:?}/group"
 SELECTOR="$(cat "${__object:?}/parameter/selector")"
 DOMAIN="$(cat "${__object:?}/parameter/domain")"
 
-DIRECTORY="/var/db/dkim/"
 if [ -f "${__object:?}/parameter/directory" ];
 then
 	# Be forgiving about a lack of trailing slash
-	DIRECTORY="$(sed -E 's!([^/])$!\1/!' < "${__object:?}/parameter/directory")"
+	KEYS_DIR="$(sed -E 's!([^/])$!\1/!' < "${__object:?}/parameter/directory")"
 fi
 
 SIGKEY="${DOMAIN:?}"
@@ -61,16 +65,18 @@ then
 fi
 
 # Ensure the key-container directory exists with the proper permissions
-__directory "${DIRECTORY}" \
+__directory "${KEYS_DIR}" \
 	--mode 0750 \
 	--owner "${user}" --group "${group}"
 
 # OS-specific code
 case "$os" in
 'alpine')
-	# This is needed for opendkim-genkey
 	__package opendkim-utils
 ;;
+'debian')
+	__package opendkim-tools
+;;
 esac
 
 key_table="${CFG_DIR}/KeyTable"
@@ -78,7 +84,7 @@ signing_table="${CFG_DIR}/SigningTable"
 
 __line "line-key-${__object_id:?}" \
 	--file "${key_table}" \
-	--line "${SELECTOR:?}._domainkey.${DOMAIN:?} ${DOMAIN:?}:${SELECTOR:?}:${DIRECTORY:?}${SELECTOR:?}.private"
+	--line "${SELECTOR:?}._domainkey.${DOMAIN:?} ${DOMAIN:?}:${SELECTOR:?}:${KEYS_DIR:?}${SELECTOR:?}.private"
 
 __line "line-sig-${__object_id:?}" \
 	--file "${signing_table}" \