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Diffstat (limited to 'framework/src/suricata/scripts/setup_decoder.sh')
-rw-r--r-- | framework/src/suricata/scripts/setup_decoder.sh | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/framework/src/suricata/scripts/setup_decoder.sh b/framework/src/suricata/scripts/setup_decoder.sh new file mode 100644 index 00000000..9af4104e --- /dev/null +++ b/framework/src/suricata/scripts/setup_decoder.sh @@ -0,0 +1,85 @@ +#!/bin/bash +# +# Script to setup a new decoder. +# Written by Victor Julien <victor@inliniac.net> +# + +set -e +#set -x + +function Usage { + echo + echo "$(basename $0) -- script to provision a decoder. The script" + echo "makes a copy of the decode-template, sets the name and updates" + echo " the build system." + echo + echo "Call from the 'src' directory, with one argument: the decoder name." + echo + echo "E.g. inside 'src': ../scripts/$(basename $0) ipv7" + echo +} + +function Done { + echo + echo "Decoder $NR has been set up in $FILE_C and $FILE_H and the" + echo "build system has been updated." + echo + echo "The decoder should now compile cleanly. Try running 'make'." + echo + echo "Next steps are to edit the files to implement the actual" + echo "decoding of $NR." + echo +} + +if [ $# -ne "1" ]; then + Usage + echo "ERROR: call with one argument" + exit 1 +fi + +INPUT=$1 +# lowercase +LC=${INPUT,,} +#echo $LC +# UPPERCASE +UC=${LC^^} +#echo $UC +# Normal +NR=${LC^} +#echo $NR + +FILE_C="decode-${LC}.c" +FILE_H="decode-${LC}.h" +#echo $FILE_C +#echo $FILE_H + +if [ ! -e ../configure.ac ] || [ ! -e Makefile.am ]; then + Usage + echo "ERROR: call from src/ directory" + exit 1 +fi +if [ ! -e decode-template.c ] || [ ! -e decode-template.h ]; then + Usage + echo "ERROR: input files decode-template.c and/or decode-template.h are missing" + exit 1 +fi +if [ -e $FILE_C ] || [ -e $FILE_H ]; then + Usage + echo "ERROR: file(s) $FILE_C and/or $FILE_H already exist, won't overwrite" + exit 1 +fi + +cp decode-template.c $FILE_C +cp decode-template.h $FILE_H + +# search and replaces +sed -i "s/TEMPLATE/${UC}/g" $FILE_C +sed -i "s/TEMPLATE/${UC}/g" $FILE_H +sed -i "s/Template/${NR}/g" $FILE_C +sed -i "s/Template/${NR}/g" $FILE_H +sed -i "s/template/${LC}/g" $FILE_C +sed -i "s/template/${LC}/g" $FILE_H +sed -i "s/decode-template.c decode-template.h \\\/decode-template.c decode-template.h \\\\\n${FILE_C} ${FILE_H} \\\/g" Makefile.am + +Done +exit 0 |