Minor refactoring

data/txt/sha256sums.txt

@@ -169,8 +169,8 @@ e3b8f8cf9607d12f3de5e6bcd5031f21f50d4b331844b8e921493dfde2efe0f7  lib/core/commo
 d53a8aecab8af8b8da4dc1c74d868f70a38770d34b1fa50cae4532cae7ce1c87  lib/core/compat.py
 ebe518089733722879f5a13e73020ebe55d46fb7410cacf292ca4ea1d9d1c56a  lib/core/convert.py
 ae500647c4074681749735a4f3b17b7eca44868dd3f39f9cab0a575888ba04a1  lib/core/data.py
-a051955f483b281344ae16ecc1d26f77ea915db0a77a7b62c1a5b80feb2d4d87  lib/core/datatype.py
-da86858cc966861e0f28f8003a151c6b353dfecbdbbeadb73f38c618382b75c4  lib/core/decorators.py
+ffae7cfe9f9afb92e887b9a8dbc1630d0063e865f35984ae417b04a4513e5024  lib/core/datatype.py
+8a5a6f5313726d6880aeb1ffca35bc2ff6ecd3709b3e987551189a72fed25bf0  lib/core/decorators.py
 d573a37bb00c8b65f75b275aa92549683180fb209b75fd0ff3870e3848939900  lib/core/defaults.py
 ce6e1c1766acd95168f7708ddcacaa4a586c21ffc9e92024c4715611c802b60c  lib/core/dicts.py
 c9d1f64648062d7962caf02c4e2e7d84e8feb2a14451146f627112aae889afcd  lib/core/dump.py
@@ -187,7 +187,7 @@ c4bfb493a03caf84dd362aec7c248097841de804b7413d0e1ecb8a90c8550bc0  lib/core/readl
 d1bd70c1a55858495c727fbec91e30af267459c8f64d50fabf9e4ee2c007e920  lib/core/replication.py
 1d0f80b0193ac5204527bfab4bde1a7aee0f693fd008e86b4b29f606d1ef94f3  lib/core/revision.py
 d2eb8e4b05ac93551272b3d4abfaf5b9f2d3ac92499a7704c16ed0b4f200db38  lib/core/session.py
-a943ba4cf82c077d17bf250e7682ff8bc16ee0e67401fc520e1f6b9a79ba61d3  lib/core/settings.py
+a4f0bd3aec711d65a6a18dfb1b966c5890a93f3c1a47187831c0831fb0e89034  lib/core/settings.py
 1c5eab9494eb969bc9ce118a2ea6954690c6851cbe54c18373c723b99734bf09  lib/core/shell.py
 4eea6dcf023e41e3c64b210cb5c2efc7ca893b727f5e49d9c924f076bb224053  lib/core/subprocessng.py
 cdd352e1331c6b535e780f6edea79465cb55af53aa2114dcea0e8bf382e56d1a  lib/core/target.py

lib/core/datatype.py

@@ -152,9 +152,10 @@ class LRUDict(object):
         return key in self.cache
 
     def __getitem__(self, key):
-        value = self.cache.pop(key)
-        self.cache[key] = value
-        return value
+        with self.__lock:
+            value = self.cache.pop(key)
+            self.cache[key] = value
+            return value
 
     def get(self, key):
         return self.__getitem__(key)

lib/core/decorators.py

@@ -15,7 +15,7 @@ from lib.core.settings import UNICODE_ENCODING
 from lib.core.threads import getCurrentThreadData
 
 _cache = {}
-_cache_lock = threading.Lock()
+_method_locks = {}
 
 def cachedmethod(f):
     """
@@ -37,22 +37,27 @@ def cachedmethod(f):
     """
 
     _cache[f] = LRUDict(capacity=MAX_CACHE_ITEMS)
+    _method_locks[f] = threading.RLock()
 
     @functools.wraps(f)
     def _f(*args, **kwargs):
+        parts = (
+            f.__module__ + "." + f.__name__,
+            "|".join(repr(a) for a in args),
+            "|".join("%s=%r" % (k, kwargs[k]) for k in sorted(kwargs))
+        )
         try:
-            key = int(hashlib.md5("|".join(str(_) for _ in (f, args, kwargs)).encode(UNICODE_ENCODING)).hexdigest(), 16) & 0x7fffffffffffffff
+            key = int(hashlib.md5("|".join(parts).encode(UNICODE_ENCODING)).hexdigest(), 16) & 0x7fffffffffffffff
         except ValueError:  # https://github.com/sqlmapproject/sqlmap/issues/4281 (NOTE: non-standard Python behavior where hexdigest returns binary value)
             result = f(*args, **kwargs)
         else:
-            try:
-                with _cache_lock:
-                    result = _cache[f][key]
-            except KeyError:
-                result = f(*args, **kwargs)
-
-                with _cache_lock:
-                    _cache[f][key] = result
+            lock, cache = _method_locks[f], _cache[f]
+            with lock:
+                try:
+                    result = cache[key]
+                except KeyError:
+                    result = f(*args, **kwargs)
+                    cache[key] = result
 
         return result
 

lib/core/settings.py

@@ -19,7 +19,7 @@ from lib.core.enums import OS
 from thirdparty import six
 
 # sqlmap version (<major>.<minor>.<month>.<monthly commit>)
-VERSION = "1.9.7.1"
+VERSION = "1.9.7.2"
 TYPE = "dev" if VERSION.count('.') > 2 and VERSION.split('.')[-1] != '0' else "stable"
 TYPE_COLORS = {"dev": 33, "stable": 90, "pip": 34}
 VERSION_STRING = "sqlmap/%s#%s" % ('.'.join(VERSION.split('.')[:-1]) if VERSION.count('.') > 2 and VERSION.split('.')[-1] == '0' else VERSION, TYPE)