Michael Erdely
8c02cbc5cc
Add OpenBSD support to the scripts Fix sysctl usage for FreeBSD in a couple places
52 lines
2.1 KiB
Bash
Executable file
52 lines
2.1 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 "$0")"/common.sh
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HEADER='Proto Recv-Q Send-Q LocalAddress ForeignAddress State'
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HEADERIZE="BEGIN {print \"$HEADER\"}"
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# shellcheck disable=SC2016
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PRINTF='{printf "%-5s %6s %6s %-30.30s %-30.30s %-s\n", $1, $2, $3, $4, $5, $6}'
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# shellcheck disable=SC2016
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FILL_BLANKS='($1=="udp") {$6="<n/a>"}'
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if [ "$KERNEL" = "Linux" ] ; then
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queryHaveCommand ss
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FOUND_SS=$?
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if [ $FOUND_SS -eq 0 ] ; then
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CMD='eval ss -antu 2>/dev/null | egrep "tcp|udp"'
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# shellcheck disable=SC2016
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FORMAT='{ state=$2; $2=$3; $3=$4; $4=$5; $5=$6; $6=state}'
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else
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CMD='eval netstat -aenp 2>/dev/null | egrep "tcp|udp"'
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fi
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elif [ "$KERNEL" = "SunOS" ] ; then
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CMD='netstat -an -f inet -f inet6'
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FIGURE_SECTION='NR==1 {inUDP=1;inTCP=0} /^TCP: IPv/ {inUDP=0;inTCP=1} /^SCTP:/ {exit}'
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FILTER='/: IPv|Local Address|^$|^-----/ {next}'
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# shellcheck disable=SC2016
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FORMAT_UDP='(inUDP) {localAddr=$1; $1="udp"; $2=$3=0; $4=localAddr; $5="*.*"}'
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# shellcheck disable=SC2016
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FORMAT_TCP='(inTCP) {localAddr=$1; foreignAddr=$2; sendQ=$4; recvQ=$6; state=$7; $1="tcp"; $2=recvQ; $3=sendQ; $4=localAddr; $5=foreignAddr; $6=state}'
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FORMAT="$FORMAT_UDP $FORMAT_TCP"
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elif [ "$KERNEL" = "AIX" ] ; then
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CMD='eval netstat -an 2>/dev/null | egrep "tcp|udp"'
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elif [ "$KERNEL" = "Darwin" ] ; then
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CMD='eval netstat -anW | egrep "tcp|udp"'
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# shellcheck disable=SC2016
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FORMAT='{gsub("[46]", "", $1)}'
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elif [ "$KERNEL" = "HP-UX" ] ; then
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CMD='eval netstat -an | egrep "tcp|udp"'
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elif [ "$KERNEL" = "FreeBSD" ] || [ "$KERNEL" = "OpenBSD" ] ; then
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# shellcheck disable=SC2089
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CMD='eval netstat -an | egrep "tcp|udp"'
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# shellcheck disable=SC2016
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FORMAT='{gsub("[46]", "", $1)}'
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fi
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assertHaveCommand "$CMD"
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# shellcheck disable=SC2090
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$CMD | tee "$TEE_DEST" | $AWK "$HEADERIZE $FIGURE_SECTION $FILTER $FORMAT $FILL_BLANKS $PRINTF" header="$HEADER"
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echo "Cmd = [$CMD]; | $AWK '$HEADERIZE $FIGURE_SECTION $FILTER $FORMAT $FILL_BLANKS $PRINTF' header=\"$HEADER\"" >> "$TEE_DEST"
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