| 1 | #!/bin/sh
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| 2 | ########################################################################
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| 3 | #
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| 4 | # Begin /lib/lsb/init-funtions
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| 5 | #
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| 6 | # Description : Run Level Control Functions
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| 7 | #
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| 8 | # Authors : Gerard Beekmans - gerard@linuxfromscratch.org
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| 9 | # : DJ Lucas - dj@linuxfromscratch.org
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| 10 | # Update : Bruce Dubbs - bdubbs@linuxfromscratch.org
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| 11 | #
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| 12 | # Version : LFS 7.0
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| 13 | #
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| 14 | # Notes : With code based on Matthias Benkmann's simpleinit-msb
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| 15 | # http://winterdrache.de/linux/newboot/index.html
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| 16 | #
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| 17 | # The file should be located in /lib/lsb
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| 18 | #
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| 19 | ########################################################################
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| 20 |
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| 21 | ## Environmental setup
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| 22 | # Setup default values for environment
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| 23 | umask 022
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| 24 | export PATH="/bin:/usr/bin:/sbin:/usr/sbin"
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| 25 |
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| 26 | ## Set color commands, used via echo
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| 27 | # Please consult `man console_codes for more information
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| 28 | # under the "ECMA-48 Set Graphics Rendition" section
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| 29 | #
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| 30 | # Warning: when switching from a 8bit to a 9bit font,
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| 31 | # the linux console will reinterpret the bold (1;) to
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| 32 | # the top 256 glyphs of the 9bit font. This does
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| 33 | # not affect framebuffer consoles
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| 34 |
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| 35 | NORMAL="\\033[0;39m" # Standard console grey
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| 36 | SUCCESS="\\033[1;32m" # Success is green
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| 37 | WARNING="\\033[1;33m" # Warnings are yellow
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| 38 | FAILURE="\\033[1;31m" # Failures are red
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| 39 | INFO="\\033[1;36m" # Information is light cyan
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| 40 | BRACKET="\\033[1;34m" # Brackets are blue
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| 41 |
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| 42 | # Use a colored prefix
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| 43 | BMPREFIX=" "
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| 44 | SUCCESS_PREFIX="${SUCCESS} * ${NORMAL}"
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| 45 | FAILURE_PREFIX="${FAILURE}*****${NORMAL}"
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| 46 | WARNING_PREFIX="${WARNING} *** ${NORMAL}"
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| 47 | SKIP_PREFIX="${INFO} S ${NORMAL}"
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| 48 |
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| 49 | SUCCESS_SUFFIX="${BRACKET}[${SUCCESS} OK ${BRACKET}]${NORMAL}"
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| 50 | FAILURE_SUFFIX="${BRACKET}[${FAILURE} FAIL ${BRACKET}]${NORMAL}"
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| 51 | WARNING_SUFFIX="${BRACKET}[${WARNING} WARN ${BRACKET}]${NORMAL}"
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| 52 | SKIP_SUFFIX="${BRACKET}[${INFO} SKIP ${BRACKET}]${NORMAL}"
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| 53 |
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| 54 | BOOTLOG=/run/bootlog
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| 55 | KILLDELAY=3
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| 56 |
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| 57 | # Set any user specified environment variables e.g. HEADLESS
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| 58 | [ -r /etc/sysconfig/rc.site ] && . /etc/sysconfig/rc.site
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| 59 |
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| 60 | ## Screen Dimensions
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| 61 | # Find current screen size
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| 62 | if [ -z "${COLUMNS}" ]; then
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| 63 | COLUMNS=$(stty size)
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| 64 | COLUMNS=${COLUMNS##* }
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| 65 | fi
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| 66 |
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| 67 | # When using remote connections, such as a serial port, stty size returns 0
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| 68 | if [ "${COLUMNS}" = "0" ]; then
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| 69 | COLUMNS=80
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| 70 | fi
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| 71 |
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| 72 | ## Measurements for positioning result messages
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| 73 | COL=$((${COLUMNS} - 8))
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| 74 | WCOL=$((${COL} - 2))
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| 75 |
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| 76 | ## Set Cursor Position Commands, used via echo
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| 77 | SET_COL="\\033[${COL}G" # at the $COL char
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| 78 | SET_WCOL="\\033[${WCOL}G" # at the $WCOL char
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| 79 | CURS_UP="\\033[1A\\033[0G" # Up one line, at the 0'th char
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| 80 | CURS_ZERO="\\033[0G"
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| 81 |
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| 82 | ################################################################################
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| 83 | # start_daemon() #
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| 84 | # Usage: start_daemon [-f] [-n nicelevel] [-p pidfile] pathname [args...] #
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| 85 | # #
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| 86 | # Purpose: This runs the specified program as a daemon #
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| 87 | # #
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| 88 | # Inputs: -f: (force) run the program even if it is already running. #
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| 89 | # -n nicelevel: specify a nice level. See 'man nice(1)'. #
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| 90 | # -p pidfile: use the specified file to determine PIDs. #
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| 91 | # pathname: the complete path to the specified program #
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| 92 | # args: additional arguments passed to the program (pathname) #
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| 93 | # #
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| 94 | # Return values (as defined by LSB exit codes): #
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| 95 | # 0 - program is running or service is OK #
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| 96 | # 1 - generic or unspecified error #
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| 97 | # 2 - invalid or excessive argument(s) #
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| 98 | # 5 - program is not installed #
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| 99 | ################################################################################
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| 100 | start_daemon()
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| 101 | {
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| 102 | local force=""
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| 103 | local nice="0"
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| 104 | local pidfile=""
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| 105 | local pidlist=""
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| 106 | local retval=""
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| 107 |
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| 108 | # Process arguments
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| 109 | while true
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| 110 | do
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| 111 | case "${1}" in
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| 112 |
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| 113 | -f)
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| 114 | force="1"
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| 115 | shift 1
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| 116 | ;;
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| 117 |
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| 118 | -n)
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| 119 | nice="${2}"
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| 120 | shift 2
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| 121 | ;;
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| 122 |
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| 123 | -p)
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| 124 | pidfile="${2}"
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| 125 | shift 2
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| 126 | ;;
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| 127 |
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| 128 | -*)
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| 129 | return 2
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| 130 | ;;
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| 131 |
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| 132 | *)
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| 133 | program="${1}"
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| 134 | break
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| 135 | ;;
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| 136 | esac
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| 137 | done
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| 138 |
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| 139 | # Check for a valid program
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| 140 | if [ ! -e "${program}" ]; then return 5; fi
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| 141 |
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| 142 | # Execute
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| 143 | if [ -z "${force}" ]; then
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| 144 | if [ -z "${pidfile}" ]; then
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| 145 | # Determine the pid by discovery
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| 146 | pidlist=`pidofproc "${1}"`
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| 147 | retval="${?}"
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| 148 | else
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| 149 | # The PID file contains the needed PIDs
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| 150 | # Note that by LSB requirement, the path must be given to pidofproc,
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| 151 | # however, it is not used by the current implementation or standard.
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| 152 | pidlist=`pidofproc -p "${pidfile}" "${1}"`
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| 153 | retval="${?}"
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| 154 | fi
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| 155 |
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| 156 | # Return a value ONLY
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| 157 | # It is the init script's (or distribution's functions) responsibilty
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| 158 | # to log messages!
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| 159 | case "${retval}" in
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| 160 |
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| 161 | 0)
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| 162 | # Program is already running correctly, this is a
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| 163 | # successful start.
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| 164 | return 0
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| 165 | ;;
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| 166 |
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| 167 | 1)
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| 168 | # Program is not running, but an invalid pid file exists
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| 169 | # remove the pid file and continue
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| 170 | rm -f "${pidfile}"
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| 171 | ;;
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| 172 |
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| 173 | 3)
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| 174 | # Program is not running and no pidfile exists
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| 175 | # do nothing here, let start_deamon continue.
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| 176 | ;;
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| 177 |
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| 178 | *)
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| 179 | # Others as returned by status values shall not be interpreted
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| 180 | # and returned as an unspecified error.
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| 181 | return 1
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| 182 | ;;
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| 183 | esac
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| 184 | fi
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| 185 |
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| 186 | # Do the start!
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| 187 | nice -n "${nice}" "${@}"
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| 188 | }
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| 189 |
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| 190 | ################################################################################
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| 191 | # killproc() #
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| 192 | # Usage: killproc [-p pidfile] pathname [signal] #
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| 193 | # #
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| 194 | # Purpose: Send control signals to running processes #
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| 195 | # #
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| 196 | # Inputs: -p pidfile, uses the specified pidfile #
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| 197 | # pathname, pathname to the specified program #
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| 198 | # signal, send this signal to pathname #
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| 199 | # #
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| 200 | # Return values (as defined by LSB exit codes): #
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| 201 | # 0 - program (pathname) has stopped/is already stopped or a #
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| 202 | # running program has been sent specified signal and stopped #
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| 203 | # successfully #
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| 204 | # 1 - generic or unspecified error #
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| 205 | # 2 - invalid or excessive argument(s) #
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| 206 | # 5 - program is not installed #
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| 207 | # 7 - program is not running and a signal was supplied #
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| 208 | ################################################################################
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| 209 | killproc()
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| 210 | {
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| 211 | local pidfile
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| 212 | local program
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| 213 | local prefix
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| 214 | local progname
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| 215 | local signal="-TERM"
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| 216 | local fallback="-KILL"
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| 217 | local nosig
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| 218 | local pidlist
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| 219 | local retval
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| 220 | local pid
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| 221 | local delay="30"
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| 222 | local piddead
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| 223 | local dtime
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| 224 |
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| 225 | # Process arguments
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| 226 | while true; do
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| 227 | case "${1}" in
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| 228 | -p)
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| 229 | pidfile="${2}"
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| 230 | shift 2
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| 231 | ;;
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| 232 |
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| 233 | *)
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| 234 | program="${1}"
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| 235 | if [ -n "${2}" ]; then
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| 236 | signal="${2}"
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| 237 | fallback=""
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| 238 | else
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| 239 | nosig=1
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| 240 | fi
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| 241 |
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| 242 | # Error on additional arguments
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| 243 | if [ -n "${3}" ]; then
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| 244 | return 2
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| 245 | else
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| 246 | break
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| 247 | fi
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| 248 | ;;
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| 249 | esac
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| 250 | done
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| 251 |
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| 252 | # Check for a valid program
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| 253 | if [ ! -e "${program}" ]; then return 5; fi
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| 254 |
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| 255 | # Check for a valid signal
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| 256 | check_signal "${signal}"
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| 257 | if [ "${?}" -ne "0" ]; then return 2; fi
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| 258 |
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| 259 | # Get a list of pids
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| 260 | if [ -z "${pidfile}" ]; then
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| 261 | # determine the pid by discovery
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| 262 | pidlist=`pidofproc "${1}"`
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| 263 | retval="${?}"
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| 264 | else
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| 265 | # The PID file contains the needed PIDs
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| 266 | # Note that by LSB requirement, the path must be given to pidofproc,
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| 267 | # however, it is not used by the current implementation or standard.
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| 268 | pidlist=`pidofproc -p "${pidfile}" "${1}"`
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| 269 | retval="${?}"
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| 270 | fi
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| 271 |
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| 272 | # Return a value ONLY
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| 273 | # It is the init script's (or distribution's functions) responsibilty
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| 274 | # to log messages!
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| 275 | case "${retval}" in
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| 276 |
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| 277 | 0)
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| 278 | # Program is running correctly
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| 279 | # Do nothing here, let killproc continue.
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| 280 | ;;
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| 281 |
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| 282 | 1)
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| 283 | # Program is not running, but an invalid pid file exists
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| 284 | # Remove the pid file.
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| 285 | rm -f "${pidfile}"
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| 286 |
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| 287 | # This is only a success if no signal was passed.
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| 288 | if [ -n "${nosig}" ]; then
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| 289 | return 0
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| 290 | else
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| 291 | return 7
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| 292 | fi
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| 293 | ;;
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| 294 |
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| 295 | 3)
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| 296 | # Program is not running and no pidfile exists
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| 297 | # This is only a success if no signal was passed.
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| 298 | if [ -n "${nosig}" ]; then
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| 299 | return 0
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| 300 | else
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| 301 | return 7
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| 302 | fi
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| 303 | ;;
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| 304 |
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| 305 | *)
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| 306 | # Others as returned by status values shall not be interpreted
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| 307 | # and returned as an unspecified error.
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| 308 | return 1
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| 309 | ;;
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| 310 | esac
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| 311 |
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| 312 | # Perform different actions for exit signals and control signals
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| 313 | check_sig_type "${signal}"
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| 314 |
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| 315 | if [ "${?}" -eq "0" ]; then # Signal is used to terminate the program
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| 316 |
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| 317 | # Account for empty pidlist (pid file still exists and no
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| 318 | # signal was given)
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| 319 | if [ "${pidlist}" != "" ]; then
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| 320 |
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| 321 | # Kill the list of pids
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| 322 | for pid in ${pidlist}; do
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| 323 |
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| 324 | kill -0 "${pid}" 2> /dev/null
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| 325 |
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| 326 | if [ "${?}" -ne "0" ]; then
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| 327 | # Process is dead, continue to next and assume all is well
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| 328 | continue
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| 329 | else
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| 330 | kill "${signal}" "${pid}" 2> /dev/null
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| 331 |
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| 332 | # Wait up to ${delay}/10 seconds to for "${pid}" to
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| 333 | # terminate in 10ths of a second
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| 334 |
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| 335 | while [ "${delay}" -ne "0" ]; do
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| 336 | kill -0 "${pid}" 2> /dev/null || piddead="1"
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| 337 | if [ "${piddead}" = "1" ]; then break; fi
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| 338 | sleep 0.1
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| 339 | delay="$(( ${delay} - 1 ))"
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| 340 | done
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| 341 |
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| 342 | # If a fallback is set, and program is still running, then
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| 343 | # use the fallback
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| 344 | if [ -n "${fallback}" -a "${piddead}" != "1" ]; then
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| 345 | kill "${fallback}" "${pid}" 2> /dev/null
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| 346 | sleep 1
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| 347 | # Check again, and fail if still running
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| 348 | kill -0 "${pid}" 2> /dev/null && return 1
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| 349 | fi
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| 350 | fi
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| 351 | done
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| 352 | fi
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| 353 |
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| 354 | # Check for and remove stale PID files.
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| 355 | if [ -z "${pidfile}" ]; then
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| 356 | # Find the basename of $program
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| 357 | prefix=`echo "${program}" | sed 's/[^/]*$//'`
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| 358 | progname=`echo "${program}" | sed "s@${prefix}@@"`
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| 359 |
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| 360 | if [ -e "/var/run/${progname}.pid" ]; then
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| 361 | rm -f "/var/run/${progname}.pid" 2> /dev/null
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| 362 | fi
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| 363 | else
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| 364 | if [ -e "${pidfile}" ]; then rm -f "${pidfile}" 2> /dev/null; fi
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| 365 | fi
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| 366 |
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| 367 | # For signals that do not expect a program to exit, simply
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| 368 | # let kill do its job, and evaluate kill's return for value
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| 369 |
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| 370 | else # check_sig_type - signal is not used to terminate program
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| 371 | for pid in ${pidlist}; do
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| 372 | kill "${signal}" "${pid}"
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| 373 | if [ "${?}" -ne "0" ]; then return 1; fi
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| 374 | done
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| 375 | fi
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| 376 | }
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| 377 |
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| 378 | ################################################################################
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| 379 | # pidofproc() #
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| 380 | # Usage: pidofproc [-p pidfile] pathname #
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| 381 | # #
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| 382 | # Purpose: This function returns one or more pid(s) for a particular daemon #
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| 383 | # #
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| 384 | # Inputs: -p pidfile, use the specified pidfile instead of pidof #
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| 385 | # pathname, path to the specified program #
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| 386 | # #
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| 387 | # Return values (as defined by LSB status codes): #
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| 388 | # 0 - Success (PIDs to stdout) #
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| 389 | # 1 - Program is dead, PID file still exists (remaining PIDs output) #
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| 390 | # 3 - Program is not running (no output) #
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| 391 | ################################################################################
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| 392 | pidofproc()
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| 393 | {
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| 394 | local pidfile
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| 395 | local program
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| 396 | local prefix
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| 397 | local progname
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| 398 | local pidlist
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| 399 | local lpids
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| 400 | local exitstatus="0"
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| 401 |
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| 402 | # Process arguments
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| 403 | while true; do
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| 404 | case "${1}" in
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| 405 |
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| 406 | -p)
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| 407 | pidfile="${2}"
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| 408 | shift 2
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| 409 | ;;
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| 410 |
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| 411 | *)
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| 412 | program="${1}"
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| 413 | if [ -n "${2}" ]; then
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| 414 | # Too many arguments
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| 415 | # Since this is status, return unknown
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| 416 | return 4
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| 417 | else
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| 418 | break
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| 419 | fi
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| 420 | ;;
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| 421 | esac
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| 422 | done
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| 423 |
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| 424 | # If a PID file is not specified, try and find one.
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| 425 | if [ -z "${pidfile}" ]; then
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| 426 | # Get the program's basename
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| 427 | prefix=`echo "${program}" | sed 's/[^/]*$//'`
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| 428 |
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| 429 | if [ -z "${prefix}" ]; then
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| 430 | progname="${program}"
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| 431 | else
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| 432 | progname=`echo "${program}" | sed "s@${prefix}@@"`
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| 433 | fi
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| 434 |
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| 435 | # If a PID file exists with that name, assume that is it.
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| 436 | if [ -e "/var/run/${progname}.pid" ]; then
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| 437 | pidfile="/var/run/${progname}.pid"
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| 438 | fi
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| 439 | fi
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| 440 |
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| 441 | # If a PID file is set and exists, use it.
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| 442 | if [ -n "${pidfile}" -a -e "${pidfile}" ]; then
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| 443 |
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| 444 | # Use the value in the first line of the pidfile
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| 445 | pidlist=`/bin/head -n1 "${pidfile}"`
|
|---|
| 446 | # This can optionally be written as 'sed 1q' to repalce 'head -n1'
|
|---|
| 447 | # should LFS move /bin/head to /usr/bin/head
|
|---|
| 448 | else
|
|---|
| 449 | # Use pidof
|
|---|
| 450 | pidlist=`pidof "${program}"`
|
|---|
| 451 | fi
|
|---|
| 452 |
|
|---|
| 453 | # Figure out if all listed PIDs are running.
|
|---|
| 454 | for pid in ${pidlist}; do
|
|---|
| 455 | kill -0 ${pid} 2> /dev/null
|
|---|
| 456 |
|
|---|
| 457 | if [ "${?}" -eq "0" ]; then
|
|---|
| 458 | lpids="${lpids}${pid} "
|
|---|
| 459 | else
|
|---|
| 460 | exitstatus="1"
|
|---|
| 461 | fi
|
|---|
| 462 | done
|
|---|
| 463 |
|
|---|
| 464 | if [ -z "${lpids}" -a ! -f "${pidfile}" ]; then
|
|---|
| 465 | return 3
|
|---|
| 466 | else
|
|---|
| 467 | echo "${lpids}"
|
|---|
| 468 | return "${exitstatus}"
|
|---|
| 469 | fi
|
|---|
| 470 | }
|
|---|
| 471 |
|
|---|
| 472 | ################################################################################
|
|---|
| 473 | # statusproc() #
|
|---|
| 474 | # Usage: statusproc [-p pidfile] pathname #
|
|---|
| 475 | # #
|
|---|
| 476 | # Purpose: This function prints the status of a particular daemon to stdout #
|
|---|
| 477 | # #
|
|---|
| 478 | # Inputs: -p pidfile, use the specified pidfile instead of pidof #
|
|---|
| 479 | # pathname, path to the specified program #
|
|---|
| 480 | # #
|
|---|
| 481 | # Return values: #
|
|---|
| 482 | # 0 - Status printed #
|
|---|
| 483 | # 1 - Input error. The daemon to check was not specified. #
|
|---|
| 484 | ################################################################################
|
|---|
| 485 | statusproc()
|
|---|
| 486 | {
|
|---|
| 487 | local pidfile
|
|---|
| 488 | local pidlist
|
|---|
| 489 |
|
|---|
| 490 | if [ "${#}" = "0" ]; then
|
|---|
| 491 | echo "Usage: statusproc [-p pidfle] {program}"
|
|---|
| 492 | exit 1
|
|---|
| 493 | fi
|
|---|
| 494 |
|
|---|
| 495 | # Process arguments
|
|---|
| 496 | while true; do
|
|---|
| 497 | case "${1}" in
|
|---|
| 498 |
|
|---|
| 499 | -p)
|
|---|
| 500 | pidfile="${2}"
|
|---|
| 501 | shift 2
|
|---|
| 502 | ;;
|
|---|
| 503 |
|
|---|
| 504 | *)
|
|---|
| 505 | if [ -n "${2}" ]; then
|
|---|
| 506 | echo "Too many arguments"
|
|---|
| 507 | return 1
|
|---|
| 508 | else
|
|---|
| 509 | break
|
|---|
| 510 | fi
|
|---|
| 511 | ;;
|
|---|
| 512 | esac
|
|---|
| 513 | done
|
|---|
| 514 |
|
|---|
| 515 | if [ -n "${pidfile}" ]; then
|
|---|
| 516 | pidlist=`pidofproc -p "${pidfile}" $@`
|
|---|
| 517 | else
|
|---|
| 518 | pidlist=`pidofproc $@`
|
|---|
| 519 | fi
|
|---|
| 520 |
|
|---|
| 521 | # Trim trailing blanks
|
|---|
| 522 | pidlist=`echo "${pidlist}" | sed -r 's/ +$//'`
|
|---|
| 523 |
|
|---|
| 524 | base="${1##*/}"
|
|---|
| 525 |
|
|---|
| 526 | if [ -n "${pidlist}" ]; then
|
|---|
| 527 | /bin/echo -e "${INFO}${base} is running with Process" \
|
|---|
| 528 | "ID(s) ${pidlist}.${NORMAL}"
|
|---|
| 529 | else
|
|---|
| 530 | if [ -n "${base}" -a -e "/var/run/${base}.pid" ]; then
|
|---|
| 531 | /bin/echo -e "${WARNING}${1} is not running but" \
|
|---|
| 532 | "/var/run/${base}.pid exists.${NORMAL}"
|
|---|
| 533 | else
|
|---|
| 534 | if [ -n "${pidfile}" -a -e "${pidfile}" ]; then
|
|---|
| 535 | /bin/echo -e "${WARNING}${1} is not running" \
|
|---|
| 536 | "but ${pidfile} exists.${NORMAL}"
|
|---|
| 537 | else
|
|---|
| 538 | /bin/echo -e "${INFO}${1} is not running.${NORMAL}"
|
|---|
| 539 | fi
|
|---|
| 540 | fi
|
|---|
| 541 | fi
|
|---|
| 542 | }
|
|---|
| 543 |
|
|---|
| 544 | ################################################################################
|
|---|
| 545 | # timespec() #
|
|---|
| 546 | # #
|
|---|
| 547 | # Purpose: An internal utility function to format a timestamp #
|
|---|
| 548 | # a boot log file. Sets the STAMP variable. #
|
|---|
| 549 | # #
|
|---|
| 550 | # Return value: Not used #
|
|---|
| 551 | ################################################################################
|
|---|
| 552 | timespec()
|
|---|
| 553 | {
|
|---|
| 554 | STAMP="$(echo `date +"%b %d %T %:z"` `hostname`) "
|
|---|
| 555 | return 0
|
|---|
| 556 | }
|
|---|
| 557 |
|
|---|
| 558 | ################################################################################
|
|---|
| 559 | # log_success_msg() #
|
|---|
| 560 | # Usage: log_success_msg ["message"] #
|
|---|
| 561 | # #
|
|---|
| 562 | # Purpose: Print a successful status message to the screen and #
|
|---|
| 563 | # a boot log file. #
|
|---|
| 564 | # #
|
|---|
| 565 | # Inputs: $@ - Message #
|
|---|
| 566 | # #
|
|---|
| 567 | # Return values: Not used #
|
|---|
| 568 | ################################################################################
|
|---|
| 569 | log_success_msg()
|
|---|
| 570 | {
|
|---|
| 571 | /bin/echo -n -e "${BMPREFIX}${@}"
|
|---|
| 572 | /bin/echo -e "${CURS_ZERO}${SUCCESS_PREFIX}${SET_COL}${SUCCESS_SUFFIX}"
|
|---|
| 573 |
|
|---|
| 574 | # Strip non-printable characters from log file
|
|---|
| 575 | logmessage=`echo "${@}" | sed 's/\\\033[^a-zA-Z]*.//g'`
|
|---|
| 576 |
|
|---|
| 577 | timespec
|
|---|
| 578 | /bin/echo -e "${STAMP} ${logmessage} OK" >> ${BOOTLOG}
|
|---|
| 579 |
|
|---|
| 580 | return 0
|
|---|
| 581 | }
|
|---|
| 582 |
|
|---|
| 583 | log_success_msg2()
|
|---|
| 584 | {
|
|---|
| 585 | /bin/echo -n -e "${BMPREFIX}${@}"
|
|---|
| 586 | /bin/echo -e "${CURS_ZERO}${SUCCESS_PREFIX}${SET_COL}${SUCCESS_SUFFIX}"
|
|---|
| 587 |
|
|---|
| 588 | echo " OK" >> ${BOOTLOG}
|
|---|
| 589 |
|
|---|
| 590 | return 0
|
|---|
| 591 | }
|
|---|
| 592 |
|
|---|
| 593 | ################################################################################
|
|---|
| 594 | # log_failure_msg() #
|
|---|
| 595 | # Usage: log_failure_msg ["message"] #
|
|---|
| 596 | # #
|
|---|
| 597 | # Purpose: Print a failure status message to the screen and #
|
|---|
| 598 | # a boot log file. #
|
|---|
| 599 | # #
|
|---|
| 600 | # Inputs: $@ - Message #
|
|---|
| 601 | # #
|
|---|
| 602 | # Return values: Not used #
|
|---|
| 603 | ################################################################################
|
|---|
| 604 | log_failure_msg()
|
|---|
| 605 | {
|
|---|
| 606 | /bin/echo -n -e "${BMPREFIX}${@}"
|
|---|
| 607 | /bin/echo -e "${CURS_ZERO}${FAILURE_PREFIX}${SET_COL}${FAILURE_SUFFIX}"
|
|---|
| 608 |
|
|---|
| 609 | # Strip non-printable characters from log file
|
|---|
| 610 |
|
|---|
| 611 | timespec
|
|---|
| 612 | logmessage=`echo "${@}" | sed 's/\\\033[^a-zA-Z]*.//g'`
|
|---|
| 613 | /bin/echo -e "${STAMP} ${logmessage} FAIL" >> ${BOOTLOG}
|
|---|
| 614 |
|
|---|
| 615 | return 0
|
|---|
| 616 | }
|
|---|
| 617 |
|
|---|
| 618 | log_failure_msg2()
|
|---|
| 619 | {
|
|---|
| 620 | /bin/echo -n -e "${BMPREFIX}${@}"
|
|---|
| 621 | /bin/echo -e "${CURS_ZERO}${FAILURE_PREFIX}${SET_COL}${FAILURE_SUFFIX}"
|
|---|
| 622 |
|
|---|
| 623 | echo "FAIL" >> ${BOOTLOG}
|
|---|
| 624 |
|
|---|
| 625 | return 0
|
|---|
| 626 | }
|
|---|
| 627 |
|
|---|
| 628 | ################################################################################
|
|---|
| 629 | # log_warning_msg() #
|
|---|
| 630 | # Usage: log_warning_msg ["message"] #
|
|---|
| 631 | # #
|
|---|
| 632 | # Purpose: Print a warning status message to the screen and #
|
|---|
| 633 | # a boot log file. #
|
|---|
| 634 | # #
|
|---|
| 635 | # Return values: Not used #
|
|---|
| 636 | ################################################################################
|
|---|
| 637 | log_warning_msg()
|
|---|
| 638 | {
|
|---|
| 639 | /bin/echo -n -e "${BMPREFIX}${@}"
|
|---|
| 640 | /bin/echo -e "${CURS_ZERO}${WARNING_PREFIX}${SET_COL}${WARNING_SUFFIX}"
|
|---|
| 641 |
|
|---|
| 642 | # Strip non-printable characters from log file
|
|---|
| 643 | logmessage=`echo "${@}" | sed 's/\\\033[^a-zA-Z]*.//g'`
|
|---|
| 644 | timespec
|
|---|
| 645 | /bin/echo -e "${STAMP} ${logmessage} WARN" >> ${BOOTLOG}
|
|---|
| 646 |
|
|---|
| 647 | return 0
|
|---|
| 648 | }
|
|---|
| 649 |
|
|---|
| 650 | log_skip_msg()
|
|---|
| 651 | {
|
|---|
| 652 | /bin/echo -n -e "${BMPREFIX}${@}"
|
|---|
| 653 | /bin/echo -e "${CURS_ZERO}${SKIP_PREFIX}${SET_COL}${SKIP_SUFFIX}"
|
|---|
| 654 |
|
|---|
| 655 | # Strip non-printable characters from log file
|
|---|
| 656 | logmessage=`echo "${@}" | sed 's/\\\033[^a-zA-Z]*.//g'`
|
|---|
| 657 | /bin/echo "SKIP" >> ${BOOTLOG}
|
|---|
| 658 |
|
|---|
| 659 | return 0
|
|---|
| 660 | }
|
|---|
| 661 |
|
|---|
| 662 | ################################################################################
|
|---|
| 663 | # log_info_msg() #
|
|---|
| 664 | # Usage: log_info_msg message #
|
|---|
| 665 | # #
|
|---|
| 666 | # Purpose: Print an information message to the screen and #
|
|---|
| 667 | # a boot log file. Does not print a trailing newline character. #
|
|---|
| 668 | # #
|
|---|
| 669 | # Return values: Not used #
|
|---|
| 670 | ################################################################################
|
|---|
| 671 | log_info_msg()
|
|---|
| 672 | {
|
|---|
| 673 | /bin/echo -n -e "${BMPREFIX}${@}"
|
|---|
| 674 |
|
|---|
| 675 | # Strip non-printable characters from log file
|
|---|
| 676 | logmessage=`echo "${@}" | sed 's/\\\033[^a-zA-Z]*.//g'`
|
|---|
| 677 | timespec
|
|---|
| 678 | /bin/echo -n -e "${STAMP} ${logmessage}" >> ${BOOTLOG}
|
|---|
| 679 |
|
|---|
| 680 | return 0
|
|---|
| 681 | }
|
|---|
| 682 |
|
|---|
| 683 | log_info_msg2()
|
|---|
| 684 | {
|
|---|
| 685 | /bin/echo -n -e "${@}"
|
|---|
| 686 |
|
|---|
| 687 | # Strip non-printable characters from log file
|
|---|
| 688 | logmessage=`echo "${@}" | sed 's/\\\033[^a-zA-Z]*.//g'`
|
|---|
| 689 | /bin/echo -n -e "${logmessage}" >> ${BOOTLOG}
|
|---|
| 690 |
|
|---|
| 691 | return 0
|
|---|
| 692 | }
|
|---|
| 693 |
|
|---|
| 694 | ################################################################################
|
|---|
| 695 | # evaluate_retval() #
|
|---|
| 696 | # Usage: Evaluate a return value and print success or failyure as appropriate #
|
|---|
| 697 | # #
|
|---|
| 698 | # Purpose: Convenience function to terminate an info message #
|
|---|
| 699 | # #
|
|---|
| 700 | # Return values: Not used #
|
|---|
| 701 | ################################################################################
|
|---|
| 702 | evaluate_retval()
|
|---|
| 703 | {
|
|---|
| 704 | local error_value="${?}"
|
|---|
| 705 |
|
|---|
| 706 | if [ ${error_value} = 0 ]; then
|
|---|
| 707 | log_success_msg2
|
|---|
| 708 | else
|
|---|
| 709 | log_failure_msg2
|
|---|
| 710 | fi
|
|---|
| 711 | }
|
|---|
| 712 |
|
|---|
| 713 | ################################################################################
|
|---|
| 714 | # check_signal() #
|
|---|
| 715 | # Usage: check_signal [ -{signal} | {signal} ] #
|
|---|
| 716 | # #
|
|---|
| 717 | # Purpose: Check for a valid signal. This is not defined by any LSB draft, #
|
|---|
| 718 | # however, it is required to check the signals to determine if the #
|
|---|
| 719 | # signals chosen are invalid arguments to the other functions. #
|
|---|
| 720 | # #
|
|---|
| 721 | # Inputs: Accepts a single string value in the form or -{signal} or {signal} #
|
|---|
| 722 | # #
|
|---|
| 723 | # Return values: #
|
|---|
| 724 | # 0 - Success (signal is valid #
|
|---|
| 725 | # 1 - Signal is not valid #
|
|---|
| 726 | ################################################################################
|
|---|
| 727 | check_signal()
|
|---|
| 728 | {
|
|---|
| 729 | local valsig
|
|---|
| 730 |
|
|---|
| 731 | # Add error handling for invalid signals
|
|---|
| 732 | valsig="-ALRM -HUP -INT -KILL -PIPE -POLL -PROF -TERM -USR1 -USR2"
|
|---|
| 733 | valsig="${valsig} -VTALRM -STKFLT -PWR -WINCH -CHLD -URG -TSTP -TTIN"
|
|---|
| 734 | valsig="${valsig} -TTOU -STOP -CONT -ABRT -FPE -ILL -QUIT -SEGV -TRAP"
|
|---|
| 735 | valsig="${valsig} -SYS -EMT -BUS -XCPU -XFSZ -0 -1 -2 -3 -4 -5 -6 -8 -9"
|
|---|
| 736 | valsig="${valsig} -11 -13 -14 -15"
|
|---|
| 737 |
|
|---|
| 738 | echo "${valsig}" | grep -- " ${1} " > /dev/null
|
|---|
| 739 |
|
|---|
| 740 | if [ "${?}" -eq "0" ]; then
|
|---|
| 741 | return 0
|
|---|
| 742 | else
|
|---|
| 743 | return 1
|
|---|
| 744 | fi
|
|---|
| 745 | }
|
|---|
| 746 |
|
|---|
| 747 | ################################################################################
|
|---|
| 748 | # check_sig_type() #
|
|---|
| 749 | # Usage: check_signal [ -{signal} | {signal} ] #
|
|---|
| 750 | # #
|
|---|
| 751 | # Purpose: Check if signal is a program termination signal or a control signal #
|
|---|
| 752 | # This is not defined by any LSB draft, however, it is required to #
|
|---|
| 753 | # check the signals to determine if they are intended to end a #
|
|---|
| 754 | # program or simply to control it. #
|
|---|
| 755 | # #
|
|---|
| 756 | # Inputs: Accepts a single string value in the form or -{signal} or {signal} #
|
|---|
| 757 | # #
|
|---|
| 758 | # Return values: #
|
|---|
| 759 | # 0 - Signal is used for program termination #
|
|---|
| 760 | # 1 - Signal is used for program control #
|
|---|
| 761 | ################################################################################
|
|---|
| 762 | check_sig_type()
|
|---|
| 763 | {
|
|---|
| 764 | local valsig
|
|---|
| 765 |
|
|---|
| 766 | # The list of termination signals (limited to generally used items)
|
|---|
| 767 | valsig="-ALRM -INT -KILL -TERM -PWR -STOP -ABRT -QUIT -2 -3 -6 -9 -14 -15"
|
|---|
| 768 |
|
|---|
| 769 | echo "${valsig}" | grep -- " ${1} " > /dev/null
|
|---|
| 770 |
|
|---|
| 771 | if [ "${?}" -eq "0" ]; then
|
|---|
| 772 | return 0
|
|---|
| 773 | else
|
|---|
| 774 | return 1
|
|---|
| 775 | fi
|
|---|
| 776 | }
|
|---|
| 777 |
|
|---|
| 778 | ################################################################################
|
|---|
| 779 | # wait_for_user() #
|
|---|
| 780 | # #
|
|---|
| 781 | # Purpose: Wait for the user to respond if not a headless system #
|
|---|
| 782 | # #
|
|---|
| 783 | ################################################################################
|
|---|
| 784 | wait_for_user()
|
|---|
| 785 | {
|
|---|
| 786 | # Wait for the user by default
|
|---|
| 787 | [ "${HEADLESS=0}" = "0" ] && read ENTER
|
|---|
| 788 | return 0
|
|---|
| 789 | }
|
|---|
| 790 |
|
|---|
| 791 | ################################################################################
|
|---|
| 792 | # is_true() #
|
|---|
| 793 | # #
|
|---|
| 794 | # Purpose: Utility to test if a variable is true | yes | 1 #
|
|---|
| 795 | # #
|
|---|
| 796 | ################################################################################
|
|---|
| 797 | is_true()
|
|---|
| 798 | {
|
|---|
| 799 | [ "$1" = "1" ] || [ "$1" = "yes" ] || [ "$1" = "true" ] || [ "$1" = "y" ] ||
|
|---|
| 800 | [ "$1" = "t" ]
|
|---|
| 801 | }
|
|---|
| 802 |
|
|---|
| 803 | # End /lib/lsb/init-functions
|
|---|
