65 lines
1.8 KiB
Plaintext
65 lines
1.8 KiB
Plaintext
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#!/bin/sh
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PROGRAM="sysctl"
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SYSCTL_ARGS=""
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# shellcheck source=/dev/null
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[ -r "/etc/default/$PROGRAM" ] && . "/etc/default/$PROGRAM"
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# Files are read from directories in the SYSCTL_SOURCES list, in the given
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# order. A file may be used more than once, since there can be multiple
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# symlinks to it. No attempt is made to prevent this.
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SYSCTL_SOURCES="/etc/sysctl.d/ /usr/local/lib/sysctl.d/ /usr/lib/sysctl.d/ /lib/sysctl.d/ /etc/sysctl.conf"
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# The "--system" option activates "--ignore", which is bad because invalid
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# variable settings in the configuration files will not be reported on the
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# system log. Use some scripting to mimic the --system behavior but still
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# reporting errors. Users not interested on error report can put "-e" in
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# SYSCTL_ARGS.
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#
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# The file redirections do the following:
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#
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# - stdout is redirected to syslog with facility.level "kern.info"
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# - stderr is redirected to syslog with facility.level "kern.err"
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# - file dscriptor 4 is used to pass the result to the "start" function.
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#
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run_program() {
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# shellcheck disable=SC2086 # we need the word splitting
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find $SYSCTL_SOURCES -maxdepth 1 -name '*.conf' -print0 2> /dev/null | \
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xargs -0 -r -n 1 readlink -f | {
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prog_status="OK"
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while :; do
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read -r file
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if [ -z "$file" ]; then
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echo "$prog_status" >&4
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break
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fi
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echo "* Applying $file ..."
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/sbin/sysctl -p "$file" $SYSCTL_ARGS || prog_status="FAIL"
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done 2>&1 >&3 | /usr/bin/logger -t sysctl -p kern.err
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} 3>&1 | /usr/bin/logger -t sysctl -p kern.info
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}
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start() {
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printf '%s %s: ' "$1" "$PROGRAM"
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status=$(run_program 4>&1)
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echo "$status"
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if [ "$status" = "OK" ]; then
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return 0
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fi
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return 1
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}
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case "$1" in
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start)
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start "Running";;
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restart|reload)
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start "Rerunning";;
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stop)
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:;;
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*)
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echo "Usage: $0 {start|stop|restart|reload}"
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exit 1
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esac
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