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#!/usr/bin/env python3
import re, os
def split_args(args):
a = args.split('"', 1)[1]
a = a.split('"')[0]
return a
cmd_map = {
"statx": "stat",
"lstat": "stat",
"openat": "open",
"access": "stat",
}
seen = set()
def stage1(cmds):
last_cmd, last_path, last_rc = None, None, None
for cmd, path, rc in cmds:
if (cmd, path, rc) in seen:
continue
seen.add((cmd, path, rc))
if (last_cmd == "open" and last_rc == False and
cmd == "stat" and rc == False and
os.path.dirname(last_path) == path):
# stat on dir after trying to access file
last_path = path
continue
if rc == last_rc:
# unchanged status
if path == last_path:
last_cmd, last_path, last_rc = cmd, path, rc
elif path.startswith(path):
last_path = path
last_cmd, last_path, last_rc = cmd, path, rc
else:
last_cmd, last_path, last_rc = cmd, path, rc
yield(cmd, path, rc)
else:
last_cmd, last_path, last_rc = cmd, path, rc
yield(cmd, path, rc)
LIB_SEARCH = 1
PLUGIN_SEARCH = 2
def stage2(cmds):
last_cmd, last_path, last_rc = None, None, None
state = None
for cmd, path, rc in cmds:
#breakpoint()
if (state == LIB_SEARCH):
if rc == True:
# found
searched_dirs = []
yield cmd, path, rc
continue
elif os.path.basename(path) == last_path:
# still seeking
searched_dirs.append(os.path.dirname(path))
continue
else:
#breakpoint()
# next library
for p in searched_dirs:
yield cmd, last_path + " " + p, False
searched_dirs = []
if (cmd == "open" and rc == False and
re.search(r'\.so(\.[0-9]+)?', path)):
# library, access failed here
state = LIB_SEARCH
searched_dirs = [os.path.dirname(path)]
last_path = os.path.basename(path)
else:
yield cmd, path, rc
def strip_store_names(cmds):
import pathlib
HOME = str(pathlib.Path.home())
PWD = str(pathlib.Path.cwd())
pwd_first = len(PWD) > len(HOME)
for cmd, path, result in cmds:
if path.startswith("/gnu/store/"):
path = "/gnu/store/…" + path[43:]
elif pwd_first and path.startswith(PWD):
path = "$PWD" + path[len(PWD):]
elif path.startswith(HOME):
path = "~" + path[len(HOME):]
elif path.startswith(PWD):
path = "$PWD" + path[len(PWD):]
yield cmd, path, result
def main(filename):
with open(filename) as fh:
lines = fh.readlines()
matches = (re.match(r"^(\w+)\(([^)]+)\) = (\S+).*", l)
for l in lines)
cmds = (m.groups() for m in matches if m)
cmds = ((cmd_map.get(cmd, cmd), split_args(path), int(result) >= 0)
for cmd, path, result in cmds
if not "/share/locale/" in path)
cmds = strip_store_names(cmds)
cmds = stage1(cmds)
cmds = stage2(cmds)
for cmd, path, rc in cmds:
print(cmd, path, "" if rc else "***")
import argparse
parser = argparse.ArgumentParser()
parser.add_argument("filename")
args = parser.parse_args()
main(args.filename)
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