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83 lines
3.1 KiB
Bash
83 lines
3.1 KiB
Bash
#!/bin/sh
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#
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# Copyright (c) 2018-2024, Christer Edwards <christer.edwards@gmail.com>
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# All rights reserved.
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# Ressource limits added by Sven R github.com/hackacad
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright notice, this
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# list of conditions and the following disclaimer.
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#
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# * Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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#
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# * Neither the name of the copyright holder nor the names of its
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# contributors may be used to endorse or promote products derived from
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# this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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. /usr/local/share/bastille/common.sh
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. /usr/local/etc/bastille/bastille.conf
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usage() {
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error_notify "Usage: bastille limits TARGET option value"
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echo -e "Example: bastille limits JAILNAME memoryuse 1G"
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exit 1
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}
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RACCT_ENABLE=$(sysctl -n kern.racct.enable)
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if [ "${RACCT_ENABLE}" != '1' ]; then
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echo "Racct not enabled. Append 'kern.racct.enable=1' to /boot/loader.conf and reboot"
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# exit 1
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fi
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# Handle special-case commands first.
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case "$1" in
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help|-h|--help)
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usage
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;;
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esac
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if [ $# -ne 2 ]; then
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usage
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fi
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bastille_root_check
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OPTION="${1}"
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VALUE="${2}"
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for _jail in ${JAILS}; do
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info "[${_jail}]:"
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_rctl_rule="jail:${_jail}:${OPTION}:deny=${VALUE}/jail"
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_rctl_rule_log="jail:${_jail}:${OPTION}:log=${VALUE}/jail"
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# Check whether the entry already exists and, if so, update it. -- cwells
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if grep -qs "jail:${_jail}:${OPTION}:deny" "${bastille_jailsdir}/${_jail}/rctl.conf"; then
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_escaped_option=$(echo "${OPTION}" | sed 's/\//\\\//g')
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_escaped_rctl_rule=$(echo "${_rctl_rule}" | sed 's/\//\\\//g')
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sed -i '' -E "s/jail:${_jail}:${_escaped_option}:deny.+/${_escaped_rctl_rule}/" "${bastille_jailsdir}/${_jail}/rctl.conf"
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else # Just append the entry. -- cwells
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echo "${_rctl_rule}" >> "${bastille_jailsdir}/${_jail}/rctl.conf"
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echo "${_rctl_rule_log}" >> "${bastille_jailsdir}/${_jail}/rctl.conf"
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fi
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echo -e "${OPTION} ${VALUE}"
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rctl -a "${_rctl_rule}" "${_rctl_rule_log}"
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echo -e "${COLOR_RESET}"
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done
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