opnsense-src/libexec/rc/rc.d/mountd
Mike Karels 1cf8e6339e mountd startup: enable NFSv4 if needed on restart
The mountd script in rc.d sets vfs.nfsd.server_max_nfsvers correctly
when it is run at system startup, relying on the kernel default.
However, if NFSv4 was enabled in /etc/rc.conf later, and the script
was re-run to restart mountd, the sysctl was still set to 3.
Set the sysctl to the right value in all cases.

Reviewed by:	rmacklem
MFC after:	1 week
2022-07-04 08:00:10 -05:00

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#!/bin/sh
#
# $FreeBSD$
#
# PROVIDE: mountd
# REQUIRE: NETWORKING rpcbind quota mountlate
# KEYWORD: nojail shutdown
. /etc/rc.subr
name="mountd"
desc="Service remote NFS mount requests"
rcvar="mountd_enable"
command="/usr/sbin/${name}"
pidfile="/var/run/${name}.pid"
required_files="/etc/exports"
start_precmd="mountd_precmd"
extra_commands="reload"
mountd_precmd()
{
# Load the modules now, so that the vfs.nfsd sysctl
# oids are available.
load_kld nfsd || return 1
# Do not force rpcbind to be running for an NFSv4 only server.
#
if checkyesno nfsv4_server_only; then
echo 'NFSv4 only server'
sysctl vfs.nfsd.server_min_nfsvers=4 > /dev/null
sysctl vfs.nfsd.server_max_nfsvers=4 > /dev/null
rc_flags="${rc_flags} -R"
else
force_depend rpcbind || return 1
if checkyesno nfsv4_server_enable; then
sysctl vfs.nfsd.server_max_nfsvers=4 > /dev/null
else
sysctl vfs.nfsd.server_max_nfsvers=3 > /dev/null
fi
fi
# mountd flags will differ depending on rc.conf settings
#
if checkyesno nfs_server_enable || checkyesno nfsv4_server_only; then
if checkyesno weak_mountd_authentication; then
if checkyesno nfsv4_server_only; then
echo -n 'weak_mountd_authentication '
echo -n 'incompatible with nfsv4_server_only, '
echo 'ignored'
else
rc_flags="${rc_flags} -n"
fi
fi
else
if checkyesno mountd_enable; then
checkyesno weak_mountd_authentication && rc_flags="-n"
fi
fi
if checkyesno zfs_enable; then
rc_flags="${rc_flags} /etc/exports /etc/zfs/exports"
fi
rm -f /var/db/mountdtab
( umask 022 ; > /var/db/mountdtab ) ||
err 1 'Cannot create /var/db/mountdtab'
}
load_rc_config $name
run_rc_command "$1"