69 lines
1.9 KiB
Bash
69 lines
1.9 KiB
Bash
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#!/bin/bash -e
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#
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# Capture ESXi traffic and decrypt SOAP traffic on port 443 via wireshark
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# Device to capture
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dev="${1-vmk0}"
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# Device to get the ip for wireshark ssl_keys config
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if [ "$dev" = "lo0" ] ; then
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ip_dev="vmk0"
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else
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ip_dev="$dev"
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fi
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ip=$(govc host.info -k -json | \
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jq -r ".HostSystems[].Config.Network.Vnic[] | select(.Device == \"${ip_dev}\") | .Spec.Ip.IpAddress")
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scp=(scp)
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ssh=(ssh)
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# Check if vagrant ssh-config applies to $ip
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if [ -d ".vagrant" ] ; then
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vssh_opts=($(vagrant ssh-config | awk NF | awk -v ORS=' ' '{print "-o " $1 "=" $2}'))
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if grep "HostName=${ip}" >/dev/null <<<"${vssh_opts[*]}" ; then
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ssh_opts=("${vssh_opts[@]}")
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fi
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fi
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# Otherwise, use default ssh opts + sshpass if available
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if [ ${#ssh_opts[@]} -eq 0 ] ; then
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userpass=$(awk -F// '{print $NF}' <<<"$GOVC_URL" | awk -F@ '{print $1}')
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username=$(awk -F: '{print $1}' <<<"$userpass")
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password=$(awk -F: '{print $2}' <<<"$userpass")
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ssh_opts=(-o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -o LogLevel=FATAL -o User=${username})
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if [ -x "$(which sshpass)" ] ; then
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if [ -z "$password" ] ; then
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password="$GOVC_PASSWORD"
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fi
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scp=(sshpass -p $password scp)
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ssh=(sshpass -p $password ssh)
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fi
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fi
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if [ "$dev" != "lo0" ] ; then
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# If you change this filter, be sure to exclude the ssh port (not tcp port 22)
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filter="host $ip and \(port 80 or port 443\)"
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dst="$HOME/.wireshark/rui-${ip}.key"
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if [ ! -f "$dst" ] ; then
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# Copy key from ESX
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"${scp[@]}" "${ssh_opts[@]}" "${ip}:/etc/vmware/ssl/rui.key" "$dst"
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fi
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if ! grep "$ip" ~/.wireshark/ssl_keys 2>/dev/null ; then
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# Add key to wireshark ssl_keys config
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echo "adding rui.key for $ip"
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cat <<EOF >> ~/.wireshark/ssl_keys
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"$ip","443","http","$dst",""
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EOF
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fi
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fi
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echo "Capturing $dev on $ip..."
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"${ssh[@]}" "${ssh_opts[@]}" "$ip" tcpdump-uw -i "$dev" -s0 -v -w - "$filter" | wireshark -k -i -
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