Bring in the new automounter, similar to what's provided in most other

UNIX systems, eg. MacOS X and Solaris.  It uses Sun-compatible map format,
has proper kernel support, and LDAP integration.

There are still a few outstanding problems; they will be fixed shortly.

Reviewed by:	allanjude@, emaste@, kib@, wblock@ (earlier versions)
Phabric:	D523
MFC after:	2 weeks
Relnotes:	yes
Sponsored by:	The FreeBSD Foundation

12 files changed, 150 insertions, 1 deletions

diff --git a/etc/Makefile b/etc/Makefile
index 3387e60..ff70cc1 100644
--- a/etc/Makefile
+++ b/etc/Makefile
@@ -11,7 +11,8 @@ SUBDIR=	sendmail
 SUBDIR+=tests
 .endif
 
-BIN1=	crontab \
+BIN1=	auto_master \
+	crontab \
 	devd.conf \
 	devfs.conf \
 	ddb.conf \
@@ -225,6 +226,7 @@ distribution:
 		echo "./etc/spwd.db type=file mode=0600 uname=root gname=wheel"; \
 	) | ${METALOG.add}
 .endif
+	${_+_}cd ${.CURDIR}/autofs; ${MAKE} install
 .if ${MK_BLUETOOTH} != "no"
 	${_+_}cd ${.CURDIR}/bluetooth; ${MAKE} install
 .endif
diff --git a/etc/auto_master b/etc/auto_master
new file mode 100644
index 0000000..16d55e2
--- /dev/null
+++ b/etc/auto_master
@@ -0,0 +1,5 @@
+# $FreeBSD$
+#
+# Automounter master map, see auto_master(5) for details.
+#
+/net		-hosts		-nosuid
diff --git a/etc/autofs/Makefile b/etc/autofs/Makefile
new file mode 100644
index 0000000..c9eda50
--- /dev/null
+++ b/etc/autofs/Makefile
@@ -0,0 +1,9 @@
+# $FreeBSD$
+
+FILES=		include_ldap special_hosts special_null
+
+NO_OBJ=
+FILESDIR=	/etc/autofs
+FILESMODE=	755
+
+.include <bsd.prog.mk>
diff --git a/etc/autofs/include_ldap b/etc/autofs/include_ldap
new file mode 100644
index 0000000..58970c0
--- /dev/null
+++ b/etc/autofs/include_ldap
@@ -0,0 +1,38 @@
+#!/bin/sh
+#
+# $FreeBSD$
+#
+
+# Modify this to suit your needs.  The "$1" is the map name, eg. "auto_master".
+# To debug, simply run this script with map name as the only parameter.  It's
+# supposed to output map contents ("key location" pairs) to standard output.
+SEARCHBASE="ou=$1,dc=example,dc=com"
+ENTRY_ATTRIBUTE="cn"
+VALUE_ATTRIBUTE="automountInformation"
+
+/usr/local/bin/ldapsearch -LLL -x -o ldif-wrap=no -b "$SEARCHBASE" "$ENTRY_ATTRIBUTE" "$VALUE_ATTRIBUTE" | awk '
+$1 == "'$ENTRY_ATTRIBUTE':" {
+	key = $2
+}
+
+$1 == "'$VALUE_ATTRIBUTE':" && key {
+	printf "%s%s", key, OFS
+	key = ""
+	for (i=2; i<NF; i++) {
+		printf "%s%s", $(i), OFS
+	}
+	printf "%s%s", $NF, ORS
+}
+
+# Double colon after attribute name means the value is in Base64.
+$1 == "'$VALUE_ATTRIBUTE'::" && key {
+	printf "%s%s", key, OFS
+	key = ""
+	for (i=2; i<NF; i++) {
+		printf "%s%s", $(i), OFS
+	}
+	printf "%s", $NF | "b64decode -rp"
+	close("b64decode -rp")
+	printf "%s", ORS
+}
+'
diff --git a/etc/autofs/special_hosts b/etc/autofs/special_hosts
new file mode 100644
index 0000000..f81449d
--- /dev/null
+++ b/etc/autofs/special_hosts
@@ -0,0 +1,17 @@
+#!/bin/sh
+#
+# $FreeBSD$
+#
+
+if [ $# -eq 0 ]; then
+	out=`getent hosts`
+	[ $? -eq 0 ] || exit 1
+	echo "$out" | awk '{ print $2 }' | sort -u
+	exit 0
+fi
+
+out=`showmount -e "$1"`
+[ $? -eq 0 ] || exit 1
+echo "$out" | awk -v host="$1" \
+    'NR > 1 { printf "%s\t%s:%s ", $1, host, $1 } END { printf "\n" }'
+
diff --git a/etc/autofs/special_null b/etc/autofs/special_null
new file mode 100644
index 0000000..41c1000
--- /dev/null
+++ b/etc/autofs/special_null
@@ -0,0 +1,4 @@
+#!/usr/bin/true
+#
+# $FreeBSD$
+#
diff --git a/etc/defaults/rc.conf b/etc/defaults/rc.conf
index da0e419..87d9216 100644
--- a/etc/defaults/rc.conf
+++ b/etc/defaults/rc.conf
@@ -306,6 +306,7 @@ amd_enable="NO"			# Run amd service with $amd_flags (or NO).
 amd_program="/usr/sbin/amd"	# path to amd, if you want a different one.
 amd_flags="-a /.amd_mnt -l syslog /host /etc/amd.map /net /etc/amd.map"
 amd_map_program="NO"		# Can be set to "ypcat -k amd.master"
+autofs_enable="NO"		# Run automountd(8)
 nfs_client_enable="NO"		# This host is an NFS client (or NO).
 nfs_access_cache="60"		# Client cache timeout in seconds
 nfs_server_enable="NO"		# This host is an NFS server (or NO).
diff --git a/etc/mtree/BSD.root.dist b/etc/mtree/BSD.root.dist
index 4462013..d494ef6 100644
--- a/etc/mtree/BSD.root.dist
+++ b/etc/mtree/BSD.root.dist
@@ -24,6 +24,8 @@
     etc
         X11
         ..
+        autofs
+        ..
         bluetooth
         ..
         casper
diff --git a/etc/rc.d/Makefile b/etc/rc.d/Makefile
index 7302d29..75f79b9 100644
--- a/etc/rc.d/Makefile
+++ b/etc/rc.d/Makefile
@@ -20,6 +20,9 @@ FILES=	DAEMON \
 	atm3 \
 	auditd \
 	auditdistd \
+	automount \
+	automountd \
+	autounmountd \
 	bgfsck \
 	${_bluetooth} \
 	bootparams \
diff --git a/etc/rc.d/automount b/etc/rc.d/automount
new file mode 100644
index 0000000..63bda42
--- /dev/null
+++ b/etc/rc.d/automount
@@ -0,0 +1,31 @@
+#!/bin/sh
+#
+# $FreeBSD$
+#
+
+# PROVIDE: automount
+# REQUIRE: nfsclient
+# KEYWORD: nojail shutdown
+
+. /etc/rc.subr
+
+name="automount"
+rcvar="autofs_enable"
+start_cmd="automount_start"
+stop_cmd="automount_stop"
+required_modules="autofs"
+
+automount_start()
+{
+
+	/usr/sbin/automount
+}
+
+automount_stop()
+{
+
+	/sbin/umount -At autofs
+}
+
+load_rc_config $name
+run_rc_command "$1"
diff --git a/etc/rc.d/automountd b/etc/rc.d/automountd
new file mode 100644
index 0000000..6d74665
--- /dev/null
+++ b/etc/rc.d/automountd
@@ -0,0 +1,19 @@
+#!/bin/sh
+#
+# $FreeBSD$
+#
+
+# PROVIDE: automountd
+# REQUIRE: automount
+# KEYWORD: nojail
+
+. /etc/rc.subr
+
+name="automountd"
+rcvar="autofs_enable"
+pidfile="/var/run/${name}.pid"
+command="/usr/sbin/${name}"
+required_modules="autofs"
+
+load_rc_config $name
+run_rc_command "$1"
diff --git a/etc/rc.d/autounmountd b/etc/rc.d/autounmountd
new file mode 100644
index 0000000..c57f90d
--- /dev/null
+++ b/etc/rc.d/autounmountd
@@ -0,0 +1,18 @@
+#!/bin/sh
+#
+# $FreeBSD$
+#
+
+# PROVIDE: autounmountd
+# REQUIRE: nfsclient
+# KEYWORD: nojail
+
+. /etc/rc.subr
+
+name="autounmountd"
+rcvar="autofs_enable"
+pidfile="/var/run/${name}.pid"
+command="/usr/sbin/${name}"
+
+load_rc_config $name
+run_rc_command "$1"