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If it's in fstab, let mount work everything out instead of us.

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This commit is contained in:
Roy Marples 2007-09-26 10:09:27 +00:00
parent 675d0a94c7
commit 46af0c7ddb
2 changed files with 48 additions and 49 deletions
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86
sh.Linux/init.sh
View File

@ -7,7 +7,7 @@
# Drop to a shell, remount / ro, and then reboot
#
single_user() {
if [ "${RC_SYS}" = "VPS" ] ; then
if [ "${RC_SYS}" = "VPS" ]; then
einfo "Halting"
halt -f
return
@ -15,7 +15,7 @@ single_user() {
sulogin ${CONSOLE}
einfo "Unmounting filesystems"
if [ -c /dev/null ] ; then
if [ -c /dev/null ]; then
mount -a -o remount,ro 2>/dev/null
else
mount -a -o remount,ro
@ -31,20 +31,19 @@ single_user() {
mount_svcdir() {
local fs= fsopts="-o rw,noexec,nodev,nosuid" devdir="none" devtmp="none" x=
local svcsize=${svcsize:-1024}
local mntcmd=$(fstabinfo --mountcmd "${RC_SVCDIR}")
if grep -Eq "[[:space:]]+tmpfs$" /proc/filesystems ; then
if grep -Eq "[[:space:]]+tmpfs$" /proc/filesystems; then
fs="tmpfs"
fsopts="${fsopts},mode=0755,size=${svcsize}k"
elif grep -Eq "[[:space:]]+ramfs$" /proc/filesystems ; then
elif grep -Eq "[[:space:]]+ramfs$" /proc/filesystems; then
fs="ramfs"
# ramfs has no special options
elif [ -e /dev/ram0 -a -e /dev/ram1 ] \
&& grep -Eq "[[:space:]]+ext2$" /proc/filesystems ; then
&& grep -Eq "[[:space:]]+ext2$" /proc/filesystems; then
devdir="/dev/ram0"
devtmp="/dev/ram1"
fs="ext2"
for x in ${devdir} ${devtmp} ; do
for x in ${devdir} ${devtmp}; do
try dd if=/dev/zero of="${x}" bs=1k count="${svcsize}"
try mkfs -t "${fs}" -i 1024 -vm0 "${x}" "${svcsize}"
done
@ -56,20 +55,22 @@ mount_svcdir() {
single_user
fi
# If we have no entry in fstab for $svcdir, provide our own
if [ -z "${mntcmd}" ] ; then
mntcmd="-t ${fs} ${fsopts} ${devdir} ${RC_SVCDIR}"
fi
local dotmp=false
if [ -e "${RC_SVCDIR}"/deptree ] ; then
if [ -e "${RC_SVCDIR}"/deptree ]; then
dotmp=true
try mount -n -t "${fs}" -o rw "${devtmp}" "${RC_LIBDIR}"/tmp
cp -p "${RC_SVCDIR}"/deptree "${RC_SVCDIR}"/depconfig \
"${RC_SVCDIR}"/nettree "${RC_LIBDIR}"/tmp 2>/dev/null
fi
eval try mount -n ${mntcmd}
if ${dotmp} ; then
# If we have no entry in fstab for $svcdir, provide our own
if fstabinfo --quiet "${RC_SVCDIR}"; then
try mount -n "${RC_SVCDIR}"
else
try mount -n -t "${fs}" ${fsopts} "${devdir}" "${RC_SVCDIR}"
fi
if ${dotmp}; then
cp -p "${RC_LIBDIR}"/tmp/deptree "${RC_LIBDIR}"/tmp/depconfig \
"${RC_LIBDIR}"/tmp/nettree "${RC_SVCDIR}" 2>/dev/null
try umount -n "${RC_LIBDIR}"/tmp
@ -93,7 +94,7 @@ get_KV() {
# Set the console loglevel to 1 for a cleaner boot
# the logger should anyhow dump the ring-0 buffer at start to the
# logs, and that with dmesg can be used to check for problems
if [ -n "${RC_DMESG_LEVEL}" -a "${RC_SYS}" != "VPS" ] ; then
if [ -n "${RC_DMESG_LEVEL}" -a "${RC_SYS}" != "VPS" ]; then
dmesg -n "${RC_DMESG_LEVEL}"
fi
@ -105,10 +106,10 @@ check_statedir /proc
# /proc actually works or not. We to this by comparing uptime to one a second
# ago
mountproc=true
if [ -e /proc/uptime ] ; then
if [ -e /proc/uptime ]; then
up="$(cat /proc/uptime)"
sleep 1
if [ "${up}" = "$(cat /proc/uptime)" ] ; then
if [ "${up}" = "$(cat /proc/uptime)" ]; then
eerror "You have cruft in /proc that should be deleted"
else
einfo "/proc is already mounted, skipping"
@ -121,8 +122,11 @@ if ${mountproc} ; then
procfs="proc"
[ "${RC_UNAME}" = "GNU/kFreeBSD" ] && proc="linprocfs"
ebegin "Mounting ${procfs} at /proc"
mntcmd="$(fstabinfo --mountcmd /proc)"
eval try mount -n ${mntcmd:--t ${procfs} -o noexec,nosuid,nodev proc /proc}
if fstabinfo --quiet /proc; then
try mount -n /proc
else
try mount -n -t "${procfs}" -o noexec,nosuid,nodev proc /proc
fi
eend $?
fi
unset mountproc
@ -130,7 +134,7 @@ unset mountproc
# Read off the kernel commandline to see if there's any special settings
# especially check to see if we need to set the CDBOOT environment variable
# Note: /proc MUST be mounted
if [ -r /sbin/livecd-functions.sh ] ; then
if [ -r /sbin/livecd-functions.sh ]; then
. /sbin/livecd-functions.sh
livecd_read_commandline
fi
@ -138,12 +142,15 @@ fi
[ "$(KV_to_int "$(uname -r)")" -ge "$(KV_to_int "2.6.0")" ]
K26=$?
if [ "${RC_UNAME}" != "GNU/kFreeBSD" -a "${RC_SYS}" != "VPS" -a "${K26}" = "0" ] ; then
if [ -d /sys ] ; then
if ! mountinfo --quiet /sys ; then
if [ "${RC_UNAME}" != "GNU/kFreeBSD" -a "${RC_SYS}" != "VPS" -a "${K26}" = "0" ]; then
if [ -d /sys ]; then
if ! mountinfo --quiet /sys; then
ebegin "Mounting sysfs at /sys"
mntcmd="$(fstabinfo --mountcmd /sys)"
eval try mount -n ${mntcmd:--t sysfs -o noexec,nosuid,nodev sysfs /sys}
if fstabinfo --quiet /sys; then
try mount -n /sys
else
try mount -n -t sysfs -o noexec,nosuid,nodev sysfs /sys
fi
eend $?
fi
else
@ -153,7 +160,7 @@ fi
check_statedir /dev
devfs_mounted=
if [ -e /dev/.devfsd ] ; then
if [ -e /dev/.devfsd ]; then
# make sure devfs is actually mounted and it isnt a bogus file
devfs_mounted=$(mountinfo --fstype-regex devfs)
fi
@ -163,10 +170,10 @@ fi
# - check boot parameters
# - make sure the required binaries exist
# - make sure the kernel has support
if [ "${RC_DEVICES}" = "static" -o "${RC_SYS}" = "VPS" ] ; then
if [ "${RC_DEVICES}" = "static" -o "${RC_SYS}" = "VPS" ]; then
ebegin "Using existing device nodes in /dev"
eend 0
elif [ "${RC_UNAME}" = "GNU/kFreeBSD" ] ; then
elif [ "${RC_UNAME}" = "GNU/kFreeBSD" ]; then
ebegin "Using kFreeBSD devfs in /dev"
eend 0
else
@ -177,15 +184,15 @@ else
auto|*) managers="udev devfs mdev";;
esac
for m in ${managers} ; do
for m in ${managers}; do
# Check common manager prerequisites and kernel params
if get_bootparam "no${m}" || ! has_addon ${m}-start ; then
if get_bootparam "no${m}" || ! has_addon ${m}-start; then
continue
fi
# Check specific manager prerequisites
case ${m} in
udev|mdev)
if [ -n "${devfs_mounted}" -o "${K26}" != 0 ] ; then
if [ -n "${devfs_mounted}" -o "${K26}" != 0 ]; then
continue
fi
;;
@ -201,24 +208,27 @@ fi
# Mount the new fancy pants /dev/pts whenever possible
if grep -Eq "[[:space:]]+devpts$" /proc/filesystems && \
! mountinfo -q /dev/pts ; then
! mountinfo -q /dev/pts; then
if [ ! -d /dev/pts ] && \
[ "${devfs}" = "yes" -o "${udev}" = "yes" ] ; then
[ "${devfs}" = "yes" -o "${udev}" = "yes" ]; then
# Make sure we have /dev/pts
mkdir -p /dev/pts >/dev/null 2>/dev/null || \
ewarn "Could not create /dev/pts!"
fi
if [ -d /dev/pts ] ; then
if [ -d /dev/pts ]; then
ebegin "Mounting devpts at /dev/pts"
mntcmd="$(fstabinfo --mountcmd /dev/pts)"
eval try mount -n ${mntcmd:--t devpts -o gid=5,mode=0620,noexec,nosuid devpts /dev/pts}
if fstabinfo --quiet /dev/pts; then
try mount -n /dev/pts
else
try mount -n -t devpts -o gid=5,mode=0620,noexec,nosuid devpts /dev/pts
fi
eend $?
fi
fi
# If booting off CD, we want to update inittab before setting the runlevel
if [ -f /sbin/livecd-functions.sh -a -n "${CDBOOT}" ] ; then
if [ -f /sbin/livecd-functions.sh -a -n "${CDBOOT}" ]; then
ebegin "Updating inittab"
livecd_fix_inittab
eend $?

11
src/fstabinfo.c
View File

@ -67,7 +67,6 @@ static struct mntent *getmntfile (const char *file)
#include "_usage.h"
#define getoptstring "mop:t:" getoptstring_COMMON
static struct option longopts[] = {
{ "mountcmd", 0, NULL, 'm'},
{ "options", 0, NULL, 'o'},
{ "passno", 1, NULL, 'p'},
{ "fstype", 1, NULL, 't'},
@ -84,7 +83,6 @@ static const char * const longopts_help[] = {
#include "_usage.c"
#define OUTPUT_FILE (1 << 1)
#define OUTPUT_MOUNTCMD (1 << 2)
#define OUTPUT_OPTIONS (1 << 3)
#define OUTPUT_PASSNO (1 << 4)
@ -109,10 +107,6 @@ int fstabinfo (int argc, char **argv)
longopts, (int *) 0)) != -1)
{
switch (opt) {
case 'm':
output = OUTPUT_MOUNTCMD;
break;
case 'o':
output = OUTPUT_OPTIONS;
break;
@ -185,11 +179,6 @@ int fstabinfo (int argc, char **argv)
continue;
switch (output) {
case OUTPUT_MOUNTCMD:
printf ("-o %s -t %s '%s' '%s'\n", ENT_OPTS (ent),
ENT_TYPE (ent), ENT_DEVICE (ent), ENT_FILE (ent));
break;
case OUTPUT_OPTIONS:
printf ("%s\n", ENT_OPTS (ent));
break;