diff options
Diffstat (limited to 'beagle/debian-rfs/usr/sbin/invoke-rc.d')
| -rwxr-xr-x | beagle/debian-rfs/usr/sbin/invoke-rc.d | 464 |
1 files changed, 0 insertions, 464 deletions
diff --git a/beagle/debian-rfs/usr/sbin/invoke-rc.d b/beagle/debian-rfs/usr/sbin/invoke-rc.d deleted file mode 100755 index e5887ee..0000000 --- a/beagle/debian-rfs/usr/sbin/invoke-rc.d +++ /dev/null @@ -1,464 +0,0 @@ -#!/bin/sh -# -# invoke-rc.d.sysvinit - Executes initscript actions -# -# SysVinit /etc/rc?.d version for Debian's sysvinit package -# -# Copyright (C) 2000,2001 Henrique de Moraes Holschuh <hmh@debian.org> -# -# This program is free software; you can redistribute it and/or modify it -# under the terms of the GNU General Public License as published by the Free -# Software Foundation; either version 2 of the License, or (at your option) -# any later version. -# -# This program is distributed in the hope that it will be useful, but -# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -# for more details. -# -# You should have received a copy of the GNU General Public License along -# with this program; if not, write to the Free Software Foundation, Inc., -# 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. - -# Constants -RUNLEVEL=/sbin/runlevel -POLICYHELPER=/usr/sbin/policy-rc.d -INITDPREFIX=/etc/init.d/ -RCDPREFIX=/etc/rc - -# Options -BEQUIET= -MODE= -ACTION= -FALLBACK= -NOFALLBACK= -FORCE= -RETRY= -RETURNFAILURE= -RC= - -# Shell options -set +e - -dohelp () { - # - # outputs help and usage - # -cat <<EOF - -invoke-rc.d, Debian/SysVinit (/etc/rc?.d) initscript subsystem. -Copyright (c) 2000,2001 Henrique de Moraes Holschuh <hmh@debian.org> - -Usage: - invoke-rc.d [options] <basename> <action> [extra parameters] - - basename - Initscript ID, as per update-rc.d(8) - action - Initscript action. Known actions are: - start, [force-]stop, restart, - [force-]reload, status - WARNING: not all initscripts implement all of the above actions. - - extra parameters are passed as is to the initscript, following - the action (first initscript parameter). - -Options: - --quiet - Quiet mode, no error messages are generated. - --force - Try to run the initscript regardless of policy and subsystem - non-fatal errors. - --try-anyway - Try to run init script even if a non-fatal error is found. - --disclose-deny - Return status code 101 instead of status code 0 if - initscript action is denied by local policy rules or - runlevel constrains. - --query - Returns one of status codes 100-106, does not run - the initscript. Implies --disclose-deny and --no-fallback. - --no-fallback - Ignores any fallback action requests by the policy layer. - Warning: this is usually a very *bad* idea for any actions - other than "start". - --help - Outputs help message to stdout - -EOF -} - -printerror () { - # - # prints an error message - # $* - error message - # -if test x${BEQUIET} = x ; then - echo `basename $0`: "$*" >&2 -fi -} - -formataction () { - # - # formats a list in $* into $printaction - # for human-friendly printing to stderr - # and sets $naction to action or actions - # -printaction=`echo $* | sed 's/ /, /g'` -if test $# -eq 1 ; then - naction=action -else - naction=actions -fi -} - -querypolicy () { - # - # queries policy database - # returns: $RC = 104 - ok, run - # $RC = 101 - ok, do not run - # other - exit with status $RC, maybe run if $RETRY - # initial status of $RC is taken into account. - # - -policyaction="${ACTION}" -if test x${RC} = "x101" ; then - if test "${ACTION}" = "start" || test "${ACTION}" = "restart" ; then - policyaction="(${ACTION})" - fi -fi - -if test "x${POLICYHELPER}" != x && test -x "${POLICYHELPER}" ; then - FALLBACK=`${POLICYHELPER} ${BEQUIET} ${INITSCRIPTID} "${policyaction}" ${RL}` - RC=$? - formataction ${ACTION} - case ${RC} in - 0) RC=104 - ;; - 1) RC=105 - ;; - 101) if test x${FORCE} != x ; then - printerror Overriding policy-rc.d denied execution of ${printaction}. - RC=104 - else - printerror policy-rc.d denied execution of ${printaction}. - fi - ;; - esac - if test x${MODE} != xquery ; then - case ${RC} in - 105) printerror policy-rc.d query returned \"behaviour undefined\", - printerror assuming \"${printaction}\" is allowed. - RC=104 - ;; - 106) formataction ${FALLBACK} - if test x${FORCE} = x ; then - if test x${NOFALLBACK} = x ; then - ACTION="${FALLBACK}" - printerror executing ${naction} \"${printaction}\" instead due to policy-rc.d request. - RC=104 - else - printerror ignoring policy-rc.d fallback request: ${printaction}. - RC=101 - fi - else - printerror ignoring policy-rc.d fallback request: ${printaction}. - RC=104 - fi - ;; - esac - fi - case ${RC} in - 100|101|102|103|104|105|106) ;; - *) printerror WARNING: policy-rc.d returned unexpected error status ${RC}, 102 used instead. - RC=102 - ;; - esac -else - if test x${RC} = x ; then - RC=104 - fi -fi -return -} - -verifyparameter () { - # - # Verifies if $1 is not null, and $# = 1 - # -if test $# -eq 0 ; then - printerror syntax error: invalid empty parameter - exit 103 -elif test $# -ne 1 ; then - printerror syntax error: embedded blanks are not allowed in \"$*\" - exit 103 -fi -return -} - -## -## main -## - -## Verifies command line arguments - -if test $# -eq 0 ; then - printerror syntax error: missing required parameter, --help assumed - dohelp - exit 103 -fi - -state=I -while test $# -gt 0 && test ${state} != III ; do - case "$1" in - --help) dohelp - exit 0 - ;; - --quiet) BEQUIET=--quiet - ;; - --force) FORCE=yes - RETRY=yes - ;; - --try-anyway) - RETRY=yes - ;; - --disclose-deny) - RETURNFAILURE=yes - ;; - --query) MODE=query - RETURNFAILURE=yes - ;; - --no-fallback) - NOFALLBACK=yes - ;; - --*) printerror syntax error: unknown option \"$1\" - exit 103 - ;; - *) case ${state} in - I) verifyparameter $1 - INITSCRIPTID=$1 - ;; - II) verifyparameter $1 - ACTION=$1 - ;; - esac - state=${state}I - ;; - esac - shift -done - -if test ${state} != III ; then - printerror syntax error: missing required parameter - exit 103 -fi - -#NOTE: It may not be obvious, but "$@" from this point on must expand -#to the extra initscript parameters, except inside functions. - -## sanity checks and just-in-case warnings. -case ${ACTION} in - start|stop|force-stop|restart|reload|force-reload|status) - ;; - *) - if test "x${POLICYHELPER}" != x && test -x "${POLICYHELPER}" ; then - printerror action ${ACTION} is unknown, but proceeding anyway. - fi - ;; -esac - -## Verifies if the given initscript ID is known -## For sysvinit, this error is critical -if test ! -f "${INITDPREFIX}${INITSCRIPTID}" ; then - printerror unknown initscript, ${INITDPREFIX}${INITSCRIPTID} not found. - exit 100 -fi - -## Queries sysvinit for the current runlevel -RL=`${RUNLEVEL} | sed 's/.*\ //'` -if test ! $? ; then - printerror "could not determine current runlevel" - if test x${RETRY} = x ; then - exit 102 - fi - RL= -fi - -## Running ${RUNLEVEL} to get current runlevel do not work in the boot -## runlevel (scripts in /etc/rcS.d/), as /var/run/utmp contain -## runlevel 0 or 6 (written at shutdown) at that point. -if test x${RL} = x0 || test x${RL} = x6 ; then - if ps -fp 1 | grep -q 'init boot' ; then - RL=S - fi -fi - -## Handles shutdown sequences VERY safely -## i.e.: forget about policy, and do all we can to run the script. -## BTW, why the heck are we being run in a shutdown runlevel?! -if test x${RL} = x0 || test x${RL} = x6 ; then - FORCE=yes - RETRY=yes - POLICYHELPER= - BEQUIET= - printerror "-----------------------------------------------------" - printerror "WARNING: 'invoke-rc.d ${INITSCRIPTID} ${ACTION}' called" - printerror "during shutdown sequence." - printerror "enabling safe mode: initscript policy layer disabled" - printerror "-----------------------------------------------------" -fi - -## Verifies the existance of proper S??initscriptID and K??initscriptID -## *links* in the proper /etc/rc?.d/ directory -verifyrclink () { - # - # verifies if parameters are non-dangling symlinks - # all parameters are verified - # - doexit= - while test $# -gt 0 ; do - if test ! -L "$1" ; then - printerror not a symlink: $1 - doexit=102 - fi - if test ! -f "$1" ; then - printerror dangling symlink: $1 - doexit=102 - fi - shift - done - if test x${doexit} != x && test x${RETRY} = x; then - exit ${doexit} - fi - return 0 -} - -# we do handle multiple links per runlevel -# but we don't handle embedded blanks in link names :-( -if test x${RL} != x ; then - SLINK=`ls -d -Q ${RCDPREFIX}${RL}.d/S[0-9][0-9]${INITSCRIPTID} 2>/dev/null | xargs` - KLINK=`ls -d -Q ${RCDPREFIX}${RL}.d/K[0-9][0-9]${INITSCRIPTID} 2>/dev/null | xargs` - SSLINK=`ls -d -Q ${RCDPREFIX}S.d/S[0-9][0-9]${INITSCRIPTID} 2>/dev/null | xargs` - - verifyrclink ${SLINK} ${KLINK} ${SSLINK} -fi - -testexec () { - # - # returns true if any of the parameters is - # executable (after following links) - # - while test $# -gt 0 ; do - if test -x "$1" ; then - return 0 - fi - shift - done - return 1 -} - -RC= - -### -### LOCAL INITSCRIPT POLICY: Enforce need of a start entry -### in either runlevel S or current runlevel to allow start -### or restart. -### -case ${ACTION} in - start|restart) - if testexec ${SLINK} ; then - RC=104 - elif testexec ${KLINK} ; then - RC=101 - elif testexec ${SSLINK} ; then - RC=104 - fi - ;; -esac - -# test if /etc/init.d/initscript is actually executable -if testexec "${INITDPREFIX}${INITSCRIPTID}" ; then - if test x${RC} = x && test x${MODE} = xquery ; then - RC=105 - fi - - # call policy layer - querypolicy - case ${RC} in - 101|104) - ;; - *) if test x${MODE} != xquery ; then - printerror policy-rc.d returned error status ${RC} - if test x${RETRY} = x ; then - exit ${RC} - else - RC=102 - fi - fi - ;; - esac -else - ### - ### LOCAL INITSCRIPT POLICY: non-executable initscript; deny exec. - ### (this is common sense, actually :^P ) - ### - RC=101 -fi - -## Handles --query -if test x${MODE} = xquery ; then - exit ${RC} -fi - - -setechoactions () { - if test $# -gt 1 ; then - echoaction=true - else - echoaction= - fi -} -getnextaction () { - saction=$1 - shift - ACTION="$@" -} - -## Executes initscript -## note that $ACTION is a space-separated list of actions -## to be attempted in order until one suceeds. -if test x${FORCE} != x || test ${RC} -eq 104 ; then - if testexec "${INITDPREFIX}${INITSCRIPTID}" ; then - RC=102 - setechoactions ${ACTION} - while test ! -z "${ACTION}" ; do - getnextaction ${ACTION} - if test ! -z ${echoaction} ; then - printerror executing initscript action \"${saction}\"... - fi - - "${INITDPREFIX}${INITSCRIPTID}" "${saction}" "$@" && exit 0 - RC=$? - - if test ! -z "${ACTION}" ; then - printerror action \"${saction}\" failed, trying next action... - fi - done - printerror initscript ${INITSCRIPTID}, action \"${saction}\" failed. - exit ${RC} - fi - exit 102 -fi - -## Handles --disclose-deny and denied "status" action (bug #381497) -if test ${RC} -eq 101 && test x${RETURNFAILURE} = x ; then - if test "x${ACTION%% *}" = "xstatus"; then - printerror emulating initscript action \"status\", returning \"unknown\" - RC=4 - else - RC=0 - fi -else - formataction ${ACTION} - printerror initscript ${naction} \"${printaction}\" not executed. -fi - -exit ${RC} |