Edit File: _iptables
#compdef iptables iptables-save iptables-restore local curcontext="$curcontext" state line expl i ret=1 local -a cmds rcmds ropts rules states prev args case $service in iptables-save) _arguments -s \ {-c,--counters}'[include values of packet and byte counters in output]' \ {-t,--table}'[specify table]:table:(filter nat mangle)' return ;; iptables-restore) _arguments -s \ {-c,--counters}'[restore the values of all packet and byte counters]' \ {-n,--noflush}"[don't flush the previous contents of the table]" return ;; esac rcmds=( -A --append -D --delete -I --insert -R --replace ) cmds=( -L --list -F --flush -Z --zero -N --new --new-chain -X --delete-chain -P --policy -E --rename-chain -h --help -V --version ) ropts=( -p --protocol -s --src --source -d --dst --destination -j --jump -i --in-interface -o --out-interface -f --fragment -c --set-counters ) prev=( ${words[1,CURRENT-1]} ) case ${prev[${prev[(I)-p|--protocol]}+1]}; in tcp) args=( '--tcp-flags[match based on TCP flags in a packet]: :->tcp-flags: :->tcp-flags' '--syn[match packets with the SYN flag set]' '--tcp-option[match based on TCP options]:option' ) ;& udp) args+=( '(--sport --source-port)'{--sport,--source-port}'[match packets based on source port]:*^!:port:_ports' '(--dport --destination-port)'{--dport,--destination-port}'[match packets based on destination port]:*^!:port:_ports' ) ;; icmp) args=( '--icmp-type[match specified ICMP type]:*^!:ICMP type:->icmp-types' ) ;; esac case ${prev[${prev[(I)-j|--jump]}+1]}; in DNAT) args+=( '(--to,--to-destination)'{--to,--to-destination}':address:_users-ports' ) ;; DSCP) args+=( '--set-dscp[set the DSCP field]:value' '--set-dscp-class[set the DiffServ class]:class' ) ;; ECN) args+=( '--ecn-tcp-remove[remove all ECN bits from TCP header]' ) ;; LOG) args+=( '--log-level[specify level of logging]:log level:(debug info notice warning err crit alert emerg)' '--log-prefix[specify prefix string for log message]:string' '--log-tcp-sequence[log TCP sequence numbers]' '--log-tcp-options[log TCP options]' '--log-ip-options[log IP options]' ) ;; MARK) args+=( '--set-mark[set fwmark in packet]:number' ) ;; REDIRECT|MASQUERADE) args+=( '--to-ports[port (range) to map to]:port range:_ports' ) ;; REJECT) args+=( '--reject-with[drop packet and send reply]:reject type:->reject-types' ) ;; SNAT) args+=( '(--to,--to-source)*'{--to,--to-source}'[specify address to map source to]:address:_users-ports' ) ;; TCPMSS) args+=( '--set-mss[explicitly set MSS option]:value' '--clamp-mss-to-pmtu[automatically clamp MSS value]' ) ;; TOS) args+=( '--set-tos[set type of service field]:type of service:->tos' ) ;; ULOG) args+=( '--ulog-nlgroup[specify netlink group used for logging]:netlink group' '--ulog-prefix[specify prefix string for log message]:string' '--ulog-cprange[specify size of each packet to be passed]:size (bytes)' '--ulog-qthreshold[specify threshold of in-kernel queue]:size' ) ;; esac # loop through all -m options preceding the cursor local i=1 typeset -U args while (( i=words[(ib.i.)-m|--match]+1 )) (( i<CURRENT )); do case ${words[i]}; in ah) args+=( '--ahspi[match SPIs in AH header]:*^!:spi' ) ;; conntrack) args+=( '--ctstate[match packet state]:state:->cfstates' '--ctproto[match protocol]:protocol:_ports' '--ctorigsrc[match original source address]:*^!:network:_hosts' '--ctorigdst[match original destination address]:*^!:network:_hosts' '--ctreplsrc[match reply source address]:*^!:network:_hosts' '--ctrepldst[match reply destination address]:*^!:network:_hosts' '--ctstatus[match internal conntrack states]:state:(NONE EXPECTED SEEN_REPLY ASSURED)' '--ctexpire[match remaing lifetime]:time' ) ;; dscp) args+=( '--dscp[match DSCP field]:value' '--dscp-class[match the DiffServ class]:class' ) ;; esp) args+=( '--espspi[match SPIs in ESP header]:*^!:spi' ) ;; helper) args+=( '--helper[match packets related to a conntrack-helper]:helper:(ftp)' ) ;; length) args+=( '--length[match packet length]:length' ) ;; limit) args+=( '--limit[specify max matches limit]:number' '--limit-burst[specify max burst before limit applies]:number' ) ;; mac) args+=( '--mac-source[match source ethernet address]:*^!:ethernet address' ) ;; mark) args+=( '--mark[match fwmark in packet]:number' ) ;; multiport) args+=( '--source-ports[match packets based on source ports]:ports:->port-list' '(--dports --destination-ports)'{--dports,--destination-ports}'[match packets based on destination ports]:ports:->port-list' '--ports[match where source and destination ports are equal]:ports:->port-list' ) ;; owner) args+=( '--uid-owner[match packet by user id of creating process]:user id' '--gid-owner[match packet by ggroup id of creating process]:group id' '--pid-owner[match packet by process id of creating process]:process id:_pids' '--sid-owner[match packet by session id of creating process]:session id' '--cmd-owner[match packet by name of creating command]:command:_command_names -e' ) ;; physdev) args+=( '--physdev-in[specify bridge port via which packet is received]:name' '--physdev-out[specify bridge port via which packet is sent]:name' ) ;; pkttype) args+=( '--pkt-type[match link-layer packet type]:type:(unicast broadcast multicast)' ) ;; state) args+=( '--state[match packet state]:state:->states' ) ;; tos) args+=( '--tos[match type of service field]:type of service:->tos' ) ;; ttl) args+=( '--ttl[match type to live]:TTL value' ) ;; esac done _arguments -C -s \ '(-)'{-h,--help}'[print program information]' \ '(-)'{-V,--version}'[print version information]' \ '(-h --help -V --version)'{-t,--table}'[specify table]:table:(filter nat mangle)' \ "($rcmds $cmds)"{-A,--append}'[append rules to end of specified chain]:chain:->chains' \ "($rcmds $cmds -c --set-counters)"{-D,--delete}'[delete rules from specified chain]:chain:->chains::rule number:->rulenums' \ "($rcmds $cmds)"{-I,--insert}'[insert rules before specified rule number]:chain:->chains::rule number:->rulenums' \ "($rcmds $cmds)"{-R,--replace}'[replace a rule]:chain:->chains::rule number:->rulenums' \ "($rcmds "${(j. .)cmds:#(-Z|--zero)}" $ropts)"{-L,--list}'[list rules in selected chain]::chain:->chains' \ "($rcmds $cmds $ropts)"{-F,--flush}'[flush specified chain (delete all rules)]::chain:->chains' \ "($rcmds "${(j. .)cmds:#(-L|--list)}" $ropts)"{-Z,--zero}'[zero the packet and byte counters]::chain:->chains' \ "($rcmds $cmds)"{-N,--new,--new-chain}'[create a new user-defined chain]:chain name' \ "($rcmds $cmds)"{-X,--delete-chain}'[delete a user-defined chain]:: :->user-chains' \ "($rcmds $cmds)"{-P,--policy}'[set the policy for a chain to given target]:chain:->chains:target:->targets' \ "($rcmds $cmds)"{-E,--rename-chain}'[rename a user-defined chain]:old chain:->user-chains:new chain name' \ "($cmds -p --protocol)"{-p,--protocol}'[specify protocol of rule]:*^!:protocol:(! tcp udp icmp all)' \ "($cmds -s --src --source)"{-s,--src,--source}'[specify source]:*^!:network:_hosts' \ "($cmds -d --dst --destination)"{-d,--dst,--destination}'[specify destination]:*^!:network:_hosts' \ "($cmds -j --jump)"{-j,--jump}'[specify rule target]:target:->targets' \ "($cmds -i --in-interface)"{-i,--in-interface}'[specify interface via which packet is received]:*^!:interface:_net_interfaces' \ "($cmds -o --out-interface)"{-o,--out-interface}'[specify interface via which packet is to be sent]:*^!:interface:_net_interfaces' \ "($cmds -f --fragment)"{-f,--fragment}'[match second or further fragments only]' \ "($cmds -D --delete -c --set-counters)"{-c,--set-counters}'[initialise packet and byte counters]:packets: :bytes' \ '(-v --verbose)'{-v,--verbose}'[enable verbose output]' \ '(-n --numeric)'{-n,--numeric}'[print IP addresses and port numbers in numeric format]' \ '(-x --exact)'{-x,--exact}'[expand numbers (display exact values)]' \ '--line-numbers[print line numbers when listing]' \ '--modprobe=[specify command to load modules with]:command:_command_names -e' \ "($cmds)*"{-m,--match}'[extended match (may load extension)]:extension:(ah conntrack dscp esp helper icmp length limit mac mark multiport owner physdev pkttype state tcp tos ttl udp unclean)' \ "$args[@]" && ret=0 case "$state" in targets) _wanted targets expl 'builtin target' compadd \ ACCEPT DROP QUEUE RETURN DNAT DSCP ECN LOG MARK MASQUERADE MIRROR \ REDIRECT REJECT SNAT TCPMSS TOS ULOG && ret=0 ;& user-chains) _wanted chains expl 'user-defined chain' compadd \ ${${${${(M)${(f)"$(_call_program chains $words[1] \ ${(kv)opt_args[(i)-t|--table]} -nL \ 2>/dev/null)"}:#Chain*}#* }%% *}:#(INPUT|OUTPUT|FORWARD|PREROUTING|POSTROUTING)} && ret=0 ;; chains) _wanted chains expl 'chain' compadd \ ${${${(M)${(f)"$(_call_program chains $words[1] \ ${(kv)opt_args[(i)-t|--table]} -nL \ 2>/dev/null)"}:#Chain*}#* }%% *} && ret=0 ;; rulenums) rules=( ${${${(f)"$(_call_program chains $words[1] ${(kv)opt_args[(i)-t|--table]} \ --line-numbers -nL ${(v)opt_args[(i)-D|--delete|-I|--insert|-R|--replace]%:*} \ 2>/dev/null)"}[3,-1]}/ ##/:} ) _describe -t rulenum 'rule number' rules && ret=0 ;; tcp-flags) _values -s , 'tcp flag' SYN ACK FIN RST URG PSH NONE ALL && ret=0 ;; icmp-types) _wanted icmp-types expl 'icmp type' compadd \ ${${${(f)"$(_call_program icmp-types ${words[1]} -p icmp --help \ 2>/dev/null)"}[(r)any,-1]## #}%% *} && ret=0 ;; reject-types) _wanted reject-types expl 'reject type' compadd \ ${${${(f)"$(_call_program icmp-types ${words[1]} -j REJECT --help \ 2>/dev/null)"}[(r)*types:,-1]## #}[2,-1]%% *} && ret=0 ;; *states) states=( NEW ESTABLISHED RELATED INVALID ) [[ "$state" = cf* ]] && states+=( SNAT DNAT ) _values -s , 'state' $states && return ;; port-list) compset -P '*,' if compset -S ',*'; then _ports && ret=0 else _ports -qS, && ret=0 fi ;; tos) _wanted tos expl 'type of service' compadd \ ${${${(f)"$(_call_program tos ${words[1]} -m tos --help \ 2>/dev/null)"}[(r)*16*,-1]## #}%% *} && ret=0 ;; esac return ret
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