53 lines
2.2 KiB
Bash
Executable file
53 lines
2.2 KiB
Bash
Executable file
#!/bin/sh
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# SPDX-FileCopyrightText: 2024 Splunk, Inc.
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# SPDX-License-Identifier: Apache-2.0
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# shellcheck disable=SC1091
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. "$(dirname "$0")"/common.sh
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HEADER='USERNAME FROM LATEST'
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HEADERIZE="BEGIN {print \"$HEADER\"}"
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PRINTF='{printf "%-30s %-30.30s %-s\n", username, from, latest}'
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if [ "$KERNEL" = "Linux" ] ; then
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CMD='last -iw'
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# shellcheck disable=SC2016
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FILTER='{if ($0 == "") exit; if ($1 ~ /reboot|shutdown/ || $1 in users) next; users[$1]=1}'
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# shellcheck disable=SC2016
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FORMAT='{username = $1; from = (NF==10) ? $3 : "<console>"; latest = $(NF-6) " " $(NF-5) " " $(NF-4) " " $(NF-3)}'
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elif [ "$KERNEL" = "SunOS" ] ; then
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CMD='last -n 999'
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# shellcheck disable=SC2016
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FILTER='{if ($0 == "") exit; if ($1 ~ /reboot|shutdown/ || $1 in users) next; users[$1]=1}'
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# shellcheck disable=SC2016
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FORMAT='{username = $1; from = (NF==10) ? $3 : "<console>"; latest = $(NF-6) " " $(NF-5) " " $(NF-4) " " $(NF-3)}'
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elif [ "$KERNEL" = "AIX" ] ; then
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failUnsupportedScript
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elif [ "$KERNEL" = "Darwin" ] ; then
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CMD='last -99'
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# shellcheck disable=SC2016
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FILTER='{if ($0 == "") exit; if ($1 ~ /reboot|shutdown/ || $1 in users) next; users[$1]=1}'
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# shellcheck disable=SC2016
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FORMAT='{username = $1; from = ($0 !~ / /) ? $3 : "<console>"; latest = $(NF-6) " " $(NF-5) " " $(NF-4) " " $(NF-3)}'
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elif [ "$KERNEL" = "HP-UX" ] ; then
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CMD='lastb -Rx'
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# shellcheck disable=SC2016
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FORMAT='{username = $1; from = ($2=="console") ? $2 : $3; latest = $(NF-3) " " $(NF-2)" " $(NF-1)}'
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# shellcheck disable=SC2016
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FILTER='{if ($1 == "BTMPS_FILE") next; if (NF==0) next; if (NF<=6) next;}'
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elif [ "$KERNEL" = "FreeBSD" ] ; then
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CMD='lastlogin'
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# shellcheck disable=SC2016
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FORMAT='{username = $1; from = (NF==8) ? $3 : "<console>"; latest=$(NF-4) " " $(NF-3) " " $(NF-2) " " $(NF-1) " " $NF}'
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fi
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assertHaveCommand $CMD
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out=$($CMD | tee "$TEE_DEST" | $AWK "$HEADERIZE $FILTER $FORMAT $PRINTF" header="$HEADER")
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lines=$(echo "$out" | wc -l)
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if [ "$lines" -gt 1 ]; then
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echo "$out"
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echo "Cmd = [$CMD]; | $AWK '$HEADERIZE $FILTER $FORMAT $PRINTF' header=\"$HEADER\"" >> "$TEE_DEST"
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else
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echo "No data is present" >> "$TEE_DEST"
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fi
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