zsh: add netsniff-ng zsh auto completion support

Hideo Hattori wrote a set of auto completion scripts for zsh that
support netsniff-ng tools. Big thanks for that! Follow-up commits
still need to address updated command-line options.

Signed-off-by: Hideo Hattori <hhatto.jp@gmail.com>
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>

1 files changed, 55 insertions, 0 deletions

diff --git a/trafgen.zsh b/trafgen.zsh
new file mode 100644
index 0000000..4a4fdde
--- /dev/null
+++ b/trafgen.zsh
@@ -0,0 +1,55 @@
+#compdef trafgen
+#
+# trafgen.zsh -- zsh completion function for trafgen
+#
+# Copyright (C) 2013 Hideo Hattori <hhatto.jp@gmail.com>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 as
+# published by the Free Software Foundation.
+
+typeset -A opt_args
+local context state line
+
+_cpu () {
+    _cpus=(${${(f)"$(grep processor /proc/cpuinfo | awk '{print $3}')"}})
+    compadd -a _cpus
+}
+
+_user_info () {
+    user_info=(${${(f)"$(awk -F':' '{print $3":"$1}' /etc/passwd)"}})
+    _describe -t usr "user info" user_info && ret=0
+}
+
+_group_info () {
+    group_info=(${${(f)"$(awk -F':' '{print $4":"$1}' /etc/passwd)"}})
+    _describe -t usr "group info" group_info && ret=0
+}
+
+_interfaces () {
+    _wanted interfaces expl 'network interface' \
+    _net_interfaces
+    _values "Pseudo-device that captures on all interfaces" "any"
+}
+
+_arguments -s -S \
+    "(-i -c --in --conf)"{-i,-c,--in,--conf}"[Packet configuration file/stdin]:input:_files" \
+    "(-o -d --out --dev)"{-o,-d,--out,--dev}"[Networking device i.e., eth0]:device:_interfaces" \
+    "(-p --cpp)"{-p,--cpp}"[Run packet config through C preprocessor]" \
+    "(-J --jumbo-support)"{-J,--jumbo-support}"[Support 64KB super jumbo frames (def: 2048B)]" \
+    "(-R --rfraw)"{-R,--rfraw}"[Inject raw 802.11 frames]" \
+    "(-s --smoke-test)"{-s,--smoke-test}"[Probe if machine survived fuzz-tested packet]" \
+    "(-n --num)"{-n,--num}"[Number of packets until exit (def: 0)]" \
+    "(-r --rand)"{-r,--rand}"[Randomize packet selection (def: round robin)]" \
+    "(-P --cpus)"{-P,--cpus}"[Specify number of forks(<= CPUs) (def: #CPUs)]:cpunum:_cpu" \
+    "(-t --gap)"{-t,--gap}"[Interpacket gap in us (approx)]" \
+    "(-S --ring-size)"{-S,--ring-size}"[Manually set mmap size (KiB/MiB/GiB)]:ringsize:" \
+    "(-k --kernel-pull)"{-k,--kernel-pull}"[Kernel pull from user interval in us (def: 10us)]:kernelpull:_gnu_generic" \
+    "(-E --seed)"{-E,--seed}"[Manually set srand(3) seed]" \
+    "(-u --user)"{-u,--user}"[Drop privileges and change to userid]:user:_user_info" \
+    "(-g --group)"{-g,--group}"[Drop privileges and change to groupid]:group:_group_info" \
+    "(-e --example)"{-e,--example}"[Show built-in packet config example]:" \
+    "(-V --verbose)"{-V,--verbose}"[Be more verbose]" \
+    {-v,--version}"[Show version]:" \
+    {-h,--help}"[Guess what?!]:" \
+    "*::args:_gnu_generic"