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main: detect when embedded rules not found

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related to #132
This commit is contained in:
William Ballenthin
2020-07-14 14:36:11 -06:00
parent 41d6bdc25e
commit 9071720431
1 changed files with 5 additions and 0 deletions
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5
capa/main.py
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@@ -491,6 +491,11 @@ def main(argv=None):
logger.debug("detected running from source")
rules_path = os.path.join(os.path.dirname(__file__), "..", "rules")
logger.debug("default rule path (source method): %s", rules_path)
if not os.path.exists(rules_path):
logger.error("default embedded rules not found! (maybe you installed capa as a library?)")
logger.error("provide your own rule set via the `-r` option.")
return -1
else:
rules_path = args.rules
logger.debug("using rules path: %s", rules_path)