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Add md5 file for the rulefile and generator #2

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Add md5 file for the rulefile and generator #2

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1 change: 1 addition & 0 deletions rules/traffic-id.rules.md5
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Original file line number Diff line number Diff line change
@@ -0,0 +1 @@
48c5e2cca7cf67f7711a30da4c99c103
24 changes: 21 additions & 3 deletions traffic-id.py
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Original file line number Diff line number Diff line change
Expand Up @@ -27,7 +27,7 @@
import sys
import os
import argparse

import hashlib
import yaml

ID_PREFIX = "traffic/id"
Expand All @@ -38,14 +38,17 @@
LABELS = {}
IDMAP = {}


def print_err(msg):
print(msg, file=sys.stderr)


def as_list(_id):
if isinstance(_id, type([])):
return _id
return [_id]


def print_tls_sni(args, output, config):
global SID

Expand Down Expand Up @@ -89,6 +92,7 @@ def print_tls_sni(args, output, config):

SID += 1


def print_rules(args, output, config):
global SID

Expand All @@ -100,7 +104,8 @@ def print_rules(args, output, config):
if "msg" in rule:
options += ["msg:\"SURICATA TRAFFIC-ID: %s\"" % (rule["msg"])]
else:
options += ["msg:\"SURICATA TRAFFIC-ID: %s\"" % as_list(rule["id"])]
options += ["msg:\"SURICATA TRAFFIC-ID: %s\"" %
as_list(rule["id"])]

if "http_host" in rule:
options += [
Expand Down Expand Up @@ -132,9 +137,11 @@ def print_rules(args, output, config):

SID += 1


def generate_rules(args):
if args.output:
output = open(args.output, "w")
md5_file = open(args.output+".md5", "w")
else:
output = sys.stdout

Expand All @@ -159,6 +166,14 @@ def generate_rules(args):
print_tls_sni(args, output, config[key])
elif key == "rules":
print_rules(args, output, config[key])
output.close()

if args.output:
# Generate the md5 hashsum file
hash_md5 = hashlib.md5(open(args.output, 'rb').read()).hexdigest()
md5_file.write(hash_md5)
md5_file.close()


def load_configs():
configs = []
Expand All @@ -169,12 +184,14 @@ def load_configs():
configs.append(yaml.load(open(path)))
return configs


def main():

parser = argparse.ArgumentParser()
parser.add_argument("-o", "--output", metavar="<filename>",
help="Output filename for rules")
parser.add_argument("--disable-noalert", action="store_true", default=False)
parser.add_argument("--disable-noalert",
action="store_true", default=False)
parser.add_argument("command", metavar="<command>",
help="Command to run")
args = parser.parse_args()
Expand Down Expand Up @@ -206,5 +223,6 @@ def main():
for name in names:
print(name)


if __name__ == "__main__":
sys.exit(main())