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#compdef tcpdump
typeset -A opt_args
_interfaces () {
_wanted interfaces expl 'network interface' \
_net_interfaces
_values "Pseudo-device that captures on all interfaces" "any"
}
_esp_secrets () {
_values -S : 'ESP algorithm' \
'des-cbc:secret' \
'3des-cbc:secret' \
'blowfish-cbc:secret' \
'rc3-cbc:secret' \
'cast128-cbc:secret' \
none
}
_packet_types () {
_values 'Packets type' \
'aodv[Ad-hoc On-demand Distance Vector protocol]' \
'cnfp[Cisco NetFlow protocol]' \
'rpc[Remote Procedure Call]' \
'rtp[Real-Time Applications protocol]' \
'rtcp[Real-Time Applications control protocol]' \
'snmp[Simple Network Management Protocol]' \
'tftp[Trivial File Transfer Protocol]' \
'vat[Visual Audio Tool]' \
'wb[distributed White Board]'
}
_data_link_types () {
if (( $+opt_args[-i] )); then
vals=( ${${${(s: :)"$(_call_program data-link-types tcpdump -L -i $opt_args[-i] 2>&1)"}[2,-1]}/ /:} )
_describe -t data-link-types "data link types ($opt_args[-i])" vals && ret=0
else
_values "Data link types (general)" \
"EN10MB" \
"LINUX_SLL"
fi
}
_bpf_filter () {
}
_arguments \
'()-A[print each packet in ASCII]' \
-c'[exit after receiving specified number of packets]:number of packets' \
-C'[specify output file size in MB (10e6 bytes)]:output file size' \
'(-ddd)-d[dump the compiled packet-matching code in a human readable form]' \
'(-ddd)-dd[dump packet-matching code as a C program fragment]' \
'(-d -dd)-ddd[dump packet-matching code as decimal numbers (preceded with a count)]' \
'(-A -c -C -d -dd -ddd -e -E -f -F -i -l -L -m -M -n -N -O -p -q -R -r -S -s -T -t -tt -ttt -tttt -u -U -v -vv -vvv -w -W -x -xx -X -XX -y -Z *)'-D'[print the list of the network interfaces available on the system]' \
-e'[print the link-level header on each dump line]' \
-E"[decrypting IPsec ESP packets]:spi@ipaddr::algo\:secret:_esp_secrets" \
-f"[print 'foreign' IPv4 addresses numerically]" \
-F'[input file for the filter expression]:filter expression file:_files' \
-i'[interface]:interface:_interfaces' \
-l'[make stdout line buffered]' \
'(-A -c -C -d -dd -ddd -e -E -f -F -l -D -m -M -n -N -O -p -q -R -r -S -s -T -t -tt -ttt -tttt -u -U -v -vv -vvv -w -W -x -xx -X -XX -y -Z *)'-L'[list the known data link types for the interface]' \
'*-m[load SMI MIB module definitions]:SMI MIB module definitions:_files' \
-M'[shared secret for validating the digests in TCP segments with the TCP-MD5 option]:secret' \
-n"[don't convert addresses to names]" \
-N"[don't print domain name qualification of host names]" \
-O"[don't run the packet-matching code optimizer]" \
-p"[don't put the interface into promiscuous mode]" \
-q'[quick (quiet?) output]' \
-R'[assume ESP/AH packets to be based on old specification (RFC1825 to RFC1829)]' \
-r'[read packets from file]:input file:_files' \
-S'[print absolute TCP sequence numbers]' \
-s'[specify number of bytes of data to snarf from each packet]:number of bytes to snap' \
-T'[interpret captured packets as specified type]:packet type:_packet_types' \
"(-tttt)-t[don't print a timestamp on each dump line]" \
'(-ttt -tttt)-tt[print an unformatted timestamp on each dump line]' \
'(-tt -tttt)-ttt[print a delta (in micro-seconds) between current and previous line on each dump line]' \
'(-t -tt -ttt)-tttt[print a timestamp in default format proceeded by date on each dump line]' \
-u'[print undecoded NFS handles]' \
-U'[make output packet-buffered when saving to file (-w)]' \
'(-vvv)-v[slightly more verbose output]' \
'(-vvv)-vv[more verbose output]' \
'(-v -vv)-vvv[most verbose output]' \
-w'[write the raw packets to file]:output file:_files' \
-W'[limit the number of created files (-C)]:number of files' \
-x'[print each packet (minus its link level header) in hex]' \
'(-x)-xx[print each packet, including its link level header, in hex]' \
-X'[print each packet (minus its link level header) in hex and ASCII]' \
'(-X)-XX[print each packet, including its link level header, in hex and ASCII]' \
-y'[set the data link type to use while capturing packets]:data link type:_data_link_types' \
-Z'[drops privileges (if root) and changes user ID (along with primary group)]:user:_users' \
'*:BPF filter:_bpf_filter'
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