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61 lines
2.5 KiB
61 lines
2.5 KiB
#!/usr/bin/env bash
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# SPDX-FileCopyrightText: 2021 Splunk, Inc. <sales@splunk.com>
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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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assertHaveCommand lsof
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HEADER='COMMAND PID USER FD TYPE DEVICE SIZE NODE NAME'
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# shellcheck disable=SC2016
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HEADERIZE='{NR == 1 && $0 = header}'
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CMD='lsof -nPs'
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# shellcheck disable=SC2016
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PRINTF='{printf "%-15.15s %-10s %-15.15s %-8s %-8s %-15.15s %15s %-20.20s %-s\n", $1,$2,$3,$4,$5,$6,$7,$8,$9}'
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if [ "$KERNEL" = "Linux" ] ; then
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# shellcheck disable=SC2016
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HEADERIZE='NR == 1 {match($0, "USER"); separator=RSTART+RLENGTH; match($0, "NAME"); name_start=RSTART; mid_length=RSTART-separator; }
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{ first_part=substr($0, 0, separator);
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mid_part=substr($0, separator, mid_length);
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last_part=substr($0, name_start);
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split(first_part, first, " ");
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split(mid_part, mid, " ");
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split(last_part, last, " ");
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if (length(last) > 1 ) { for(ptr=2; ptr<=length(last); ptr++) { $(NF+1-length(last)) = $(NF+1-length(last)) FS last[ptr]; } }
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if (length(first) == 4) { $3=$4; $4=$5; $5=$6; $6=$7; $7=$8; $8=$9; $9=$10; }
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}
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NR==1 { $0 = header;}'
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# shellcheck disable=SC2016
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FILTER='/Permission denied/ {next} {if ($4 == "NOFD" || $5 == "unknown") next}'
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# shellcheck disable=SC2016
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FILL_BLANKS='{ if(length(mid) == 4) {$9=$8; $8=$7; $7="?" } else if(length(mid) == 3) {$9=$7; $8=$6; $7="?"; $6="?"; } }'
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elif [ "$KERNEL" = "HP-UX" ] ; then
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# shellcheck disable=SC2016
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FILTER='/Permission denied/ {next} {if ($4 == "NOFD" || $5 == "unknown") next}'
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# shellcheck disable=SC2016
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FILL_BLANKS='{if (NF<9) {node=$7; name=$8; $7="?"; $8=node; $9=name}}'
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elif [ "$KERNEL" = "SunOS" ] ; then
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failUnsupportedScript
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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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# shellcheck disable=SC2016
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FILTER='{if ($5 ~ /KQUEUE|PIPE|PSXSEM/) next}'
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# shellcheck disable=SC2016
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FILL_BLANKS='{if (NF<9) {name=$8; $8="?"; $9=name}}'
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elif [ "$KERNEL" = "FreeBSD" ] ; then
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# the below syntax is valid when using zsh, bash, ksh
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if [[ $KERNEL_RELEASE =~ 11.* ]] || [[ $KERNEL_RELEASE =~ 12.* ]] || [[ $KERNEL_RELEASE =~ 13.* ]]; then
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# empty condition to allow the execution of script as is
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echo > /dev/null
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else
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failUnsupportedScript
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fi
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fi
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assertHaveCommand "$CMD"
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# shellcheck disable=SC2094
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$CMD 2>"$TEE_DEST" | tee "$TEE_DEST" | awk "$HEADERIZE $FILTER $FILL_BLANKS $PRINTF" header="$HEADER"
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echo "Cmd = [$CMD 2>$TEE_DEST]; | awk '$HEADERIZE $FILTER $FILL_BLANKS $PRINTF' header=\"$HEADER\"" >> "$TEE_DEST"
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