From 595982218707cbbe30e7920d3a6af8f9398e32b0 Mon Sep 17 00:00:00 2001 From: B Stack Date: Sun, 12 Jan 2020 18:42:10 -0500 Subject: WIP: add most parsing Still need to add the commands to execute the action list. --- README.md | 9 ++ src/bin/systemctl | 280 ----------------------------------- src/bin/systemctl.ver1 | 65 --------- src/etc/systemdtl.conf | 2 + src/sbin/systemctl | 388 +++++++++++++++++++++++++++++++++++++++++++++++++ 5 files changed, 399 insertions(+), 345 deletions(-) create mode 100644 README.md delete mode 100755 src/bin/systemctl delete mode 100755 src/bin/systemctl.ver1 create mode 100644 src/etc/systemdtl.conf create mode 100755 src/sbin/systemctl diff --git a/README.md b/README.md new file mode 100644 index 0000000..70b9e6b --- /dev/null +++ b/README.md @@ -0,0 +1,9 @@ +# Readme for systemdtl +Systemdtl is a package that provides a systemctl interface to fool simple things that make hard-coded requests to a systemctl executable. +This script attempts to convert every request to a suitable real command. + +# Project license +CC-BY-SA 4.0 + +# Dependencies +bgscripts-core for framework.sh diff --git a/src/bin/systemctl b/src/bin/systemctl deleted file mode 100755 index 2f3201e..0000000 --- a/src/bin/systemctl +++ /dev/null @@ -1,280 +0,0 @@ -#!/bin/sh -# Filename: systemctl -# Location: -# Author: bgstack15@gmail.com -# Startdate: 2020-01-10 13:02:14 -# Title: -# Purpose: -# Package: systemdtl -# History: -# Usage: -# Reference: ftemplate.sh 2019-05-02a ; framework.sh 2018-05-02a -# Improve: -fiversion="2019-05-02a" -systemctlversion="2020-01-10a" - -usage() { - ${PAGER:-/usr/bin/less -F} >&2 </dev/null - - # Delayed cleanup - if test -z "${SYSTEMCTL_NO_CLEAN}" ; - then -# nohup /bin/bash </dev/null 2>&1 & -#sleep "${SYSTEMCTL_CLEANUP_SEC:-300}" ; /bin/rm -r "${SYSTEMCTL_TMPDIR:-NOTHINGTODELETE}" 1>/dev/null 2>&1 ; -#EOF - /bin/rm -r "${SYSTEMCTL_TMPDIR:-NOTHINGTODELETE}" 1>/dev/null 2>&1 ; - fi -} - -CTRLC() { - # use with: trap "CTRLC" 2 - # useful for controlling the ctrl+c keystroke - : -} - -CTRLZ() { - # use with: trap "CTRLZ" 18 - # useful for controlling the ctrl+z keystroke - : -} - -parseFlag() { - flag="$1" - hasval=0 - case ${flag} in - # INSERT FLAGS HERE - "d" | "debug" | "DEBUG" | "dd" ) setdebug ; ferror "debug level ${debug}" ; __debug_set_by_param=1 ;; - "u" | "usage" | "help" | "h" ) usage ; exit 1 ;; - "V" | "fcheck" | "version" ) ferror "${scriptfile} version ${systemctlversion}" ; exit 1 ;; - #"i" | "infile" | "inputfile" ) getval ; infile1=${tempval} ;; - "c" | "conf" | "conffile" | "config" ) getval ; conffile="${tempval}" ;; - "now" ) export SYSTEMCTL_NOW=1 ;; - "full") export SYSTEMCTL_FULL=1 ;; - "system") export SYSTEMCTL_SYSTEM=1 ;; - esac - - debuglev 10 && { test ${hasval} -eq 1 && ferror "flag: ${flag} = ${tempval}" || ferror "flag: ${flag}" ; } -} - -# DETERMINE LOCATION OF FRAMEWORK -f_needed=20181030 -___frameworkpath="$( find $( echo "${FRAMEWORKPATH}" | tr ':' ' ' ) -maxdepth 1 -mindepth 0 -name 'framework.sh' 2>/dev/null )" -while read flocation ; do if test -e ${flocation} ; then __thisfver="$( sh ${flocation} --fcheck 2>/dev/null )" ; if test ${__thisfver:-0} -ge ${f_needed} ; then frameworkscript="${flocation}" ; break ; elif test -n "${___thisfver}" ; then printf "Obsolete: %s %s\n" "${flocation}" "${__thisfver}" 1>&2 ; fi ; fi ; done <&2 && exit 4 - -# INITIALIZE VARIABLES -# variables set in framework: -# today server thistty scriptdir scriptfile scripttrim -# is_cronjob stdin_piped stdout_piped stderr_piped sendsh sendopts -. ${frameworkscript} || echo "$0: framework did not run properly. Continuing..." 1>&2 -infile1= -outfile1= -logfile=/var/log/systemctl.log -define_if_new interestedparties "bgstack15@gmail.com" -# SIMPLECONF -#define_if_new default_conffile "/etc/systemctl/systemctl.conf" -#define_if_new defuser_conffile ~/.config/systemctl/systemctl.conf -#define_if_new SYSTEMCTL_TMPDIR "$( mktemp -d )" -#tmpfile1="$( TMPDIR="${SYSTEMCTL_TMPDIR}" mktemp )" -#tmpfile2="$( TMPDIR="${SYSTEMCTL_TMPDIR}" mktemp )" - -# REACT TO OPERATING SYSTEM TYPE -case $( uname -s ) in - Linux) : ;; - FreeBSD) : ;; - *) echo "${scriptfile}: 3. Indeterminate OS: $( uname -s )" 1>&2 && exit 3 ;; -esac - -## REACT TO ROOT STATUS -#case ${is_root} in -# 1) # proper root -# : ;; -# sudo) # sudo to root -# : ;; -# "") # not root at all -# #ferror "${scriptfile}: 5. Please run as root or sudo. Aborted." -# #exit 5 -# : -# ;; -#esac - -# SET CUSTOM SCRIPT AND VALUES -#setval 1 sendsh sendopts<&2 -} - -# MAIN LOOP -#{ - #printf "%s\n" "${*}" >> "${logfile}" - #echo "thiscount=${thiscount}" - #x=1 - #while test ${x:-${thiscount}} -le $(( thiscount - 1 )) && test ${thiscount} -gt 1 ; - #do - # eval thisopt="\${opt${x}}" - # echo "thisopt${x}=${thisopt}" - # x=$(( x + 1 )) - #done - - # actions - actionlist="" - case "${action}" in - start|stop|status) - x=1 - while test ${x:-${thiscount}} -le $(( thiscount - 1 )) && test ${thiscount} -gt 1 ; - do - eval thisopt="\${opt${x}}" - thisopt="$( echo "${thisopt}" | sed -r -e 's/\.service$//;' )" - actionstatement="$( printf "%s" "service ${thisopt} ${action};" )" - actionlist="${actionlist:+${actionlist} }${actionstatement}" - x=$(( x + 1 )) - done - ;; - enable|disable) - # action should be update-rc.d ${thisopt} ${action} - echo "WORK IN PROGRESS" - ;; - *) - ferror "Fatal! 2. Unable to understand action ${action}. Aborted." - ;; - esac - - # list of actions - echo "Need to perform these commands:" - echo "${actionlist}" -#} | tee -a ${logfile} - -# EMAIL LOGFILE -#${sendsh} ${sendopts} "${server} ${scriptfile} out" ${logfile} ${interestedparties} - -## STOP THE READ CONFIG FILE -#return_code 0 -#fi ; done ; } diff --git a/src/bin/systemctl.ver1 b/src/bin/systemctl.ver1 deleted file mode 100755 index 74f29c4..0000000 --- a/src/bin/systemctl.ver1 +++ /dev/null @@ -1,65 +0,0 @@ -#!/bin/sh -# goal: handle various systemctl commands, particularly for freeipa -# restart X(.service)? -# start -# stop -# enable -# status -# disable -# mask -# unmask -# is-enabled -# list-unit-files --full -# is-active -# reload-or-try-restart X -# condrestart X -# daemon-reload --system -# --now - -# log all parameters to learn usage -logfile=/var/log/systemctl.log -printf "%s\n" "${*}" >> "${logfile}" - -evalparam() { - # call: evalparam "${_x}" "word/single/double" "${_thisparam}" "${_nextparam}" - printf "%s\n" "evalparam $*" - __paramposition="${1}" - __paramflaglevel="${2}" - __param="${3}" - __nextparam="${4}" - case "${__param}" in - "now") - esac -} - -# iterate through all parameters -_param_count="${#}" -_x=0 -while test ${_x} -lt ${_param_count} ; -do - _x=$(( _x + 1 )) - eval _thisparam="\${${_x}}" - test ${_x} -lt ${_param_count} && eval _nextparam="\${$(( _x + 1 ))}" || unset _nextparam - #printf "%s\n" "param ${_x} is \"${_thisparam}\" and next is \"${_nextparam:-UNDEFINED}\"" - case "${_thisparam}" in - --*) - #printf "%s\n" "This is a double-dash! Send the whole thing." - evalparam "${_x}" "double" "${_thisparam##--}" "${_nextparam:-UNDEFINED}" - ;; - -*) - #printf "%s\n" "This is a single dash! Send each char." - _i=2 - while test ${_i} -le ${#_thisparam} ; - do - _char="$( printf '%s' "${_thisparam}" | cut -c ${_i})" - evalparam "${_x}" "single" "${_char}" "${_nextparam:-UNDEFINED}" "$(( _i -1 ))" - _i=$(( _i + 1 )) - done - unset _char - ;; - *) - #printf "%s\n" "No dash. Evaluate this as a word." - evalparam "${_x}" "word" "${_thisparam}" "${_nextparam:-UNDEFINED}" - ;; - esac -done diff --git a/src/etc/systemdtl.conf b/src/etc/systemdtl.conf new file mode 100644 index 0000000..17b917f --- /dev/null +++ b/src/etc/systemdtl.conf @@ -0,0 +1,2 @@ +# Part of systemdtl package +logfile="/var/log/systemctl.log" diff --git a/src/sbin/systemctl b/src/sbin/systemctl new file mode 100755 index 0000000..3f13c9d --- /dev/null +++ b/src/sbin/systemctl @@ -0,0 +1,388 @@ +#!/bin/sh +# Filename: systemctl +# Location: /usr/sbin/ +# Author: bgstack15@gmail.com +# Startdate: 2020-01-10 13:02:14 +# Title: +# Purpose: +# Package: systemdtl +# History: +# Usage: +# Should be mostly like systemctl from systemd. +# Reference: ftemplate.sh 2019-05-02a ; framework.sh 2018-05-02a +# man 1 systemctl +# Improve: +# x restart X(.service)? +# x start +# x stop +# x enable +# x status +# x disable +# x mask +# x unmask +# x is-enabled +# x is-active +# x list-unit-files --full +# x reload-or-try-restart X +# x condrestart X +# x daemon-reload --system +# x --now +fiversion="2019-05-02a" +systemctlversion="2020-01-10a" + +usage() { + ${PAGER:-/usr/bin/less -F} >&2 </dev/null + + # Delayed cleanup + if test -z "${SYSTEMCTL_NO_CLEAN}" ; + then +# nohup /bin/bash </dev/null 2>&1 & +#sleep "${SYSTEMCTL_CLEANUP_SEC:-300}" ; /bin/rm -r "${SYSTEMCTL_TMPDIR:-NOTHINGTODELETE}" 1>/dev/null 2>&1 ; +#EOF + /bin/rm -r "${SYSTEMCTL_TMPDIR:-NOTHINGTODELETE}" 1>/dev/null 2>&1 ; + fi +} + +CTRLC() { + # use with: trap "CTRLC" 2 + # useful for controlling the ctrl+c keystroke + : +} + +CTRLZ() { + # use with: trap "CTRLZ" 18 + # useful for controlling the ctrl+z keystroke + : +} + +parseFlag() { + flag="$1" + hasval=0 + case ${flag} in + # INSERT FLAGS HERE + "d" | "debug" | "DEBUG" | "dd" ) setdebug ; ferror "debug level ${debug}" ; __debug_set_by_param=1 ;; + "u" | "usage" | "help" | "h" ) usage ; exit 0 ;; + "V" | "fcheck" | "version" ) ferror "${scriptfile} version ${systemctlversion}" ; exit 0 ;; + #"i" | "infile" | "inputfile" ) getval ; infile1=${tempval} ;; + "c" | "conf" | "conffile" | "config" ) getval ; conffile="${tempval}" ;; + "now" ) export SYSTEMCTL_NOW=1 ;; + "full") export SYSTEMCTL_FULL=1 ;; + "system") export SYSTEMCTL_SYSTEM=1 ;; + esac + + debuglev 10 && { test ${hasval} -eq 1 && ferror "flag: ${flag} = ${tempval}" || ferror "flag: ${flag}" ; } +} + +# DETERMINE LOCATION OF FRAMEWORK +f_needed=20181030 +___frameworkpath="$( find $( echo "${FRAMEWORKPATH}" | tr ':' ' ' ) -maxdepth 1 -mindepth 0 -name 'framework.sh' 2>/dev/null )" +while read flocation ; do if test -e ${flocation} ; then __thisfver="$( sh ${flocation} --fcheck 2>/dev/null )" ; if test ${__thisfver:-0} -ge ${f_needed} ; then frameworkscript="${flocation}" ; break ; elif test -n "${___thisfver}" ; then printf "Obsolete: %s %s\n" "${flocation}" "${__thisfver}" 1>&2 ; fi ; fi ; done <&2 && exit 4 + +# INITIALIZE VARIABLES +# variables set in framework: +# today server thistty scriptdir scriptfile scripttrim +# is_cronjob stdin_piped stdout_piped stderr_piped sendsh sendopts +. ${frameworkscript} || echo "$0: framework did not run properly. Continuing..." 1>&2 +infile1= +outfile1= +define_if_new logfile "/var/log/systemctl.log" +define_if_new interestedparties "bgstack15@gmail.com" +# SIMPLECONF +define_if_new default_conffile "/etc/systemdtl.conf" +#define_if_new defuser_conffile ~/.config/systemctl/systemctl.conf +#define_if_new SYSTEMCTL_TMPDIR "$( mktemp -d )" +#tmpfile1="$( TMPDIR="${SYSTEMCTL_TMPDIR}" mktemp )" +#tmpfile2="$( TMPDIR="${SYSTEMCTL_TMPDIR}" mktemp )" + +# REACT TO OPERATING SYSTEM TYPE +case $( uname -s ) in + Linux) : ;; + FreeBSD) : ;; + *) echo "${scriptfile}: 3. Indeterminate OS: $( uname -s )" 1>&2 && exit 3 ;; +esac + +## REACT TO ROOT STATUS +#case ${is_root} in +# 1) # proper root +# : ;; +# sudo) # sudo to root +# : ;; +# "") # not root at all +# #ferror "${scriptfile}: 5. Please run as root or sudo. Aborted." +# #exit 5 +# : +# ;; +#esac + +# SET CUSTOM SCRIPT AND VALUES +#setval 1 sendsh sendopts<&2 +} + +# MAIN LOOP +#{ + printf "%s\n" "${*}" >> "${logfile}" + #echo "thiscount=${thiscount}" + #x=1 + #while test ${x:-${thiscount}} -le $(( thiscount - 1 )) && test ${thiscount} -gt 1 ; + #do + # eval thisopt="\${opt${x}}" + # echo "thisopt${x}=${thisopt}" + # x=$(( x + 1 )) + #done + + # actions + actionlist="" + case "${action}" in + + restart|start|stop|status|reload|condrestart|try-restart|reload-or-try-restart) + # re-map a few actions + case "${action}" in + "reload-or-try-restart") action=restart ;; + esac + x=1 + while test ${x:-${thiscount}} -le $(( thiscount - 1 )) && test ${thiscount} -gt 1 ; + do + eval thisopt="\${opt${x}}" + thisopt="$( echo "${thisopt}" | sed -r -e 's/\.service$//;' )" + actionstatement="$( printf "%s" "service ${thisopt} ${action};" )" + actionlist="${actionlist:+${actionlist} }${actionstatement}" + x=$(( x + 1 )) + done + ;; + + enable|disable|mask|unmask) + case "${action}" in + mask) action=disable ;; + unmask) action=enable ;; + esac + x=1 + while test ${x:-${thiscount}} -le $(( thiscount - 1 )) && test ${thiscount} -gt 1 ; + do + eval thisopt="\${opt${x}}" + thisopt="$( echo "${thisopt}" | sed -r -e 's/\.service$//;' )" + actionstatement="$( printf "%s" "update-rc.d ${thisopt} ${action};" )" + actionlist="${actionlist:+${actionlist} }${actionstatement}" + test "${SYSTEMCTL_NOW}" = "1" && { + case "${action}" in + enable) + nowaction=start + ;; + disable) + nowaction=stop + ;; + esac + actionstatement="$( printf "%s" "service ${thisopt} ${nowaction:-stop};" )" + actionlist="${actionlist:+${actionlist} }${actionstatement}" + } + x=$(( x + 1 )) + done + ;; + + daemon-reload) + debuglev 1 && echo "${action} is a NOP." + ;; + + list-unit-files) + # Future improvement: can consume --full, but I do not care enough to deal with it now. + ls -Al /etc/init.d + ;; + + is-enabled) + currentrunlevel="$( who -r | grep -oE 'run-level\s+[[:digit:]]+' | awk '{print $NF}' )" + responsenumber=1 + + # loop through each service on the command line + x=1 + while test ${x:-${thiscount}} -le $(( thiscount - 1 )) && test ${thiscount} -gt 1 ; + do + eval thisopt="\${opt${x}}" + thisopt="$( echo "${thisopt}" | sed -r -e 's/\.service$//;' )" + #actionstatement="$( printf "%s" "service ${thisopt} ${action};" )" + scriptfile="$( find "/etc/rc${currentrunlevel}.d" -mindepth 1 -maxdepth 1 -name "S??${thisopt}" 2>/dev/null )" + responsetext="disabled" + # if file exists, let us return 0. + if test -n "${scriptfile}" ; + then + debuglev 2 && echo "${scriptfile}" + responsenumber=0 # any "enabled" response makes systemctl return 0 + responsetext="enabled" + fi + echo "${responsetext:-UNKNOWN}" + x=$(( x + 1 )) + done + exit "${responsenumber}" + ;; + + is-active) + responsenumber=3 + x=1 + while test ${x:-${thiscount}} -le $(( thiscount - 1 )) && test ${thiscount} -gt 1 ; + do + eval thisopt="\${opt${x}}" + thisopt="$( echo "${thisopt}" | sed -r -e 's/\.service$//;' )" + #actionstatement="$( printf "%s" "service ${thisopt} ${action};" )" + servicestatus="$( service "${thisopt}" status 1>/dev/null 2>&1 ; echo "${?}" )" + responsetext="stopped" + # if file exists, let us return 0. + if test ${servicestatus:-1} -eq 0 ; + then + responsenumber=0 + responsetext="active" + fi + echo "${responsetext:-unknown}" + x=$(( x + 1 )) + done + exit "${responsenumber}" + ;; + + *) + ferror "Fatal! 2. Unable to understand action ${action}. Aborted." + exit 2 + ;; + esac + + # list of actions + echo "Need to perform these commands:" + echo "${actionlist}" +#} | tee -a ${logfile} + +# EMAIL LOGFILE +#${sendsh} ${sendopts} "${server} ${scriptfile} out" ${logfile} ${interestedparties} + +## STOP THE READ CONFIG FILE +#return_code 0 +#fi ; done ; } -- cgit