Add help and version content for awk.py (#1341)

* Update awk.py

src/cowrie/commands/awk.py

@@ -1,5 +1,6 @@
 # Copyright (c) 2010 Michel Oosterhof <michel@oosterhof.net>
 # See the COPYRIGHT file for more information
+# Contributor: Fosocles
 
 """
 awk command
@@ -46,7 +47,7 @@ class command_awk(HoneyPotCommand):
                 self.exit()
                 return
             elif o in "--version":
-                self.help()
+                self.version()
                 self.exit()
                 return
             elif o in ("-n", "--number"):
@@ -168,7 +169,66 @@ class command_awk(HoneyPotCommand):
 
     def help(self):
         self.write(
-            """TODO: awk help message
+            """Usage: awk [POSIX or GNU style options] -f progfile [--] file ...
+Usage: awk [POSIX or GNU style options] [--] 'program' file ...
+POSIX options:          GNU long options: (standard)
+        -f progfile             --file=progfile
+        -F fs                   --field-separator=fs
+        -v var=val              --assign=var=val
+Short options:          GNU long options: (extensions)
+        -b                      --characters-as-bytes
+        -c                      --traditional
+        -C                      --copyright
+        -d[file]                --dump-variables[=file]
+        -D[file]                --debug[=file]
+        -e 'program-text'       --source='program-text'
+        -E file                 --exec=file
+        -g                      --gen-pot
+        -h                      --help
+        -i includefile          --include=includefile
+        -l library              --load=library
+        -L[fatal|invalid]       --lint[=fatal|invalid]
+        -M                      --bignum
+        -N                      --use-lc-numeric
+        -n                      --non-decimal-data
+        -o[file]                --pretty-print[=file]
+        -O                      --optimize
+        -p[file]                --profile[=file]
+        -P                      --posix
+        -r                      --re-interval
+        -S                      --sandbox
+        -t                      --lint-old
+        -V                      --version
+
+To report bugs, see node `Bugs' in `gawk.info', which is
+section `Reporting Problems and Bugs' in the printed version.
+
+gawk is a pattern scanning and processing language.
+By default it reads standard input and writes standard output.
+
+Examples:
+        gawk '{ sum += $1 }; END { print sum }' file
+        gawk -F: '{ print $1 }' /etc/passwd
+"""
+        )
+
+    def version(self):
+        self.write(
+            """GNU Awk 4.1.4, API: 1.1 (GNU MPFR 4.0.1, GNU MP 6.1.2)
+Copyright (C) 1989, 1991-2016 Free Software Foundation.
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see http://www.gnu.org/licenses/.
 """
         )