218 lines
6.6 KiB
Bash
Executable File
218 lines
6.6 KiB
Bash
Executable File
#!/bin/sh
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# Name: gparted
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# Purpose: Perform appropriate startup of GParted executable gpartedbin.
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#
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# The purpose of these startup methods is to prevent
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# devices from being automounted, and to ensure only one
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# instance of GParted is running. File system problems can
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# occur if devices are mounted prior to the completion of
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# GParted's operations, or if multiple partition editing
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# tools are in use concurrently.
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#
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# Copyright (C) 2008, 2009, 2010, 2013, 2015 Curtis Gedak
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#
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# This file is part of GParted.
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#
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# GParted is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# GParted is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with GParted. If not, see <http://www.gnu.org/licenses/>.
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#
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#
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# Only permit one instance of GParted to execute at a time
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#
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if test "z`ps -e | grep gpartedbin`" != "z"; then
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echo "The process gpartedbin is already running."
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echo "Only one gpartedbin process is permitted."
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exit 1
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fi
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#
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# Define base command for executing GParted
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#
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BASE_CMD="@sbindir@/gpartedbin $*"
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#
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# For non-root users try to get authorisation to run GParted as root.
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#
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if test "x`id -u`" != "x0"; then
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#
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# If there is no configured SU program run gpartedbin as
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# non-root to display the graphical error about needing root
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# privileges.
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#
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if test "x@gksuprog@" = "x"; then
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echo "Root privileges are required for running gparted."
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$BASE_CMD
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exit 1
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fi
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#
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# Interim workaround to allow GParted run by root access to the
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# X11 display server under Wayland. If configured with
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# './configure --enable-xhost-root', the xhost command is
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# available and root has not been granted access to the X11
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# display via xhost, then grant access.
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#
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ENABLE_XHOST_ROOT=@enable_xhost_root@
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GRANTED_XHOST_ROOT=no
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if test "x$ENABLE_XHOST_ROOT" = 'xyes' && xhost 1> /dev/null 2>&1; then
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if ! xhost | grep -qi 'SI:localuser:root$'; then
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xhost +SI:localuser:root
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GRANTED_XHOST_ROOT=yes
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fi
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fi
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#
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# Run gparted as root.
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#
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@gksuprog@ '@bindir@/gparted' "$@"
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status=$?
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#
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# Revoke root access to the X11 display, only if we granted it.
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#
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if test "x$GRANTED_XHOST_ROOT" = 'xyes'; then
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xhost -SI:localuser:root
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fi
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exit $status
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fi
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#
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# Search PATH to determine if systemctl program can be found
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# and if appropriate daemon is running.
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#
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HAVE_SYSTEMCTL=no
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for k in '' `echo "$PATH" | sed 's,:, ,g'`; do
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if test -x "$k/systemctl"; then
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if test "z`ps -e | grep systemd`" != "z"; then
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HAVE_SYSTEMCTL=yes
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break
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fi
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fi
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done
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#
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# Check if udisks2-inhibit exists in known location
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# and if appropriate daemon is running.
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#
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HAVE_UDISKS2_INHIBIT=no
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if test -x "/usr/lib/udisks2/udisks2-inhibit"; then
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if test "z`ps -e | grep 'udisksd'`" != "z"; then
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HAVE_UDISKS2_INHIBIT=yes
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fi
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fi
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#
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# Search PATH to determine if udisks program can be found
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# and if appropriate daemon is running.
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#
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HAVE_UDISKS=no
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for k in '' `echo "$PATH" | sed 's,:, ,g'`; do
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if test -x "$k/udisks"; then
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if test "z`ps -e | grep udisks-daemon`" != "z"; then
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HAVE_UDISKS=yes
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break
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fi
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fi
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done
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#
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# Search PATH to determine if hal-lock program can be found
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# and if appropriate daemon is running.
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#
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HAVE_HAL_LOCK=no
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for k in '' `echo "$PATH" | sed 's,:, ,g'`; do
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if test -x "$k/hal-lock"; then
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if test "z`ps -e | grep hald`" != "z"; then
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HAVE_HAL_LOCK=yes
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break
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fi
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fi
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done
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#
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# Use systemctl to prevent automount by masking currently unmasked mount points
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#
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if test "x$HAVE_SYSTEMCTL" = "xyes"; then
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MOUNTLIST=`systemctl list-units --full --all -t mount --no-legend \
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| grep -v masked | cut -f1 -d' ' \
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| egrep -v '^(dev-hugepages|dev-mqueue|proc-sys-fs-binfmt_misc|run-user-.*-gvfs|sys-fs-fuse-connections|sys-kernel-config|sys-kernel-debug)'`
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systemctl --runtime mask --quiet -- $MOUNTLIST
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fi
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#
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# Create temporary blank overrides for all udev rules which automatically
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# start Linux Software RAID array members.
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#
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# Udev stores volatile / temporary runtime rules in directory /run/udev/rules.d.
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# Older versions use /dev/.udev/rules.d instead, and even older versions don't
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# have such a directory at all. Volatile / temporary rules are use to override
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# default rules from /lib/udev/rules.d. (Permanent local administrative rules
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# in directory /etc/udev/rules.d override all others). See udev(7) manual page
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# from various versions of udev for details.
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#
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# Default udev rules containing mdadm to incrementally start array members are
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# found in 64-md-raid.rules and/or 65-md-incremental.rules, depending on the
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# distribution and age. The rules may be commented out or not exist at all.
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#
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UDEV_TEMP_MDADM_RULES='' # List of temporary override rules files.
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for udev_temp_d in /run/udev /dev/.udev; do
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if test -d "$udev_temp_d"; then
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test ! -d "$udev_temp_d/rules.d" && mkdir "$udev_temp_d/rules.d"
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udev_mdadm_rules=`egrep -l '^[^#].*mdadm (-I|--incremental)' /lib/udev/rules.d/*.rules 2> /dev/null`
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UDEV_TEMP_MDADM_RULES=`echo "$udev_mdadm_rules" | sed 's,^/lib/udev,'"$udev_temp_d"','`
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break
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fi
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done
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for rule in $UDEV_TEMP_MDADM_RULES; do
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touch "$rule"
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done
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#
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# Use udisks2-inhibit if udisks2-inhibit exists and deamon running.
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# Else use both udisks and hal-lock for invocation if both binaries exist and both
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# daemons are running.
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# Else use udisks if binary exists and daemon is running.
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# Otherwise use hal-lock for invocation if binary exists and daemon is running.
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# If the above checks fail then simply run gpartedbin.
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#
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if test "x$HAVE_UDISKS2_INHIBIT" = "xyes"; then
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/usr/lib/udisks2/udisks2-inhibit $BASE_CMD
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elif test "x$HAVE_UDISKS" = "xyes" && test "x$HAVE_HAL_LOCK" = "xyes"; then
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udisks --inhibit -- \
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hal-lock --interface org.freedesktop.Hal.Device.Storage --exclusive \
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--run "$BASE_CMD"
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elif test "x$HAVE_UDISKS" = "xyes"; then
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udisks --inhibit -- $BASE_CMD
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elif test "x$HAVE_HAL_LOCK" = "xyes"; then
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hal-lock --interface org.freedesktop.Hal.Device.Storage --exclusive \
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--run "$BASE_CMD"
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else
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$BASE_CMD
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fi
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#
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# Clear any temporary override udev rules used to stop udev automatically
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# starting Linux Software RAID array members.
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#
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for rule in $UDEV_TEMP_MDADM_RULES; do
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rm -f "$rule"
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done
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#
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# Use systemctl to restore that status of any mount points changed above
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#
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if test "x$HAVE_SYSTEMCTL" = "xyes"; then
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systemctl --runtime unmask --quiet -- $MOUNTLIST
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fi
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