From 89d2c7c0420768648e6111591821549608a72a91 Mon Sep 17 00:00:00 2001
From: Miroslav Stampar <miroslav.stampar@gmail.com>
Date: Thu, 22 Dec 2011 20:54:20 +0000
Subject: [PATCH] minor update

---
 lib/core/dump.py     | 5 +++--
 lib/core/settings.py | 3 +++
 lib/utils/hash.py    | 7 +++++++
 3 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/lib/core/dump.py b/lib/core/dump.py
index 0da0fd976..2aba175ee 100644
--- a/lib/core/dump.py
+++ b/lib/core/dump.py
@@ -411,8 +411,9 @@ class Dump:
             rtable.beginTransaction()
 
         if count > TRIM_STDOUT_DUMP_SIZE:
-            warnMsg = "console output will be trimmed "
-            warnMsg += "due to the large table size"
+            warnMsg = "console output will be trimmed to "
+            warnMsg += "last %d rows due to " % TRIM_STDOUT_DUMP_SIZE
+            warnMsg += "large table size"
             logger.warning(warnMsg)
 
         for i in xrange(count):
diff --git a/lib/core/settings.py b/lib/core/settings.py
index 271978f3e..9d93e5f31 100644
--- a/lib/core/settings.py
+++ b/lib/core/settings.py
@@ -431,3 +431,6 @@ LARGE_OUTPUT_THRESHOLD = 1024**2
 
 # On huge tables there is a considerable slowdown if every row retrieval requires ORDER BY (most noticable in table dumping using ERROR injections)
 SLOW_ORDER_COUNT_THRESHOLD = 10000
+
+# Give up on hash recognition if nothing was found in first given number of rows
+HASH_RECOGNITION_QUIT_THRESHOLD = 10000
diff --git a/lib/utils/hash.py b/lib/utils/hash.py
index 1f0785c10..860b74528 100644
--- a/lib/utils/hash.py
+++ b/lib/utils/hash.py
@@ -62,6 +62,7 @@ from lib.core.settings import COMMON_USER_COLUMNS
 from lib.core.settings import DUMMY_USER_PREFIX
 from lib.core.settings import GENERAL_IP_ADDRESS_REGEX
 from lib.core.settings import HASH_MOD_ITEM_DISPLAY
+from lib.core.settings import HASH_RECOGNITION_QUIT_THRESHOLD
 from lib.core.settings import IS_WIN
 from lib.core.settings import ITOA64
 from lib.core.settings import PYVERSION
@@ -322,6 +323,7 @@ def attackDumpedTable():
         columns = table.keys()
         count = table["__infos__"]["count"]
 
+        found = False
         colUser = ''
         colPasswords = set()
         attack_dict = {}
@@ -332,6 +334,9 @@ def attackDumpedTable():
                 break
 
         for i in xrange(count):
+            if not found and i > HASH_RECOGNITION_QUIT_THRESHOLD:
+                break
+
             for column in columns:
                 if column == colUser or column == '__infos__':
                     continue
@@ -342,6 +347,8 @@ def attackDumpedTable():
                 value = table[column]['values'][i]
 
                 if hashRecognition(value):
+                    found = True
+
                     if colUser and i < len(table[colUser]['values']):
                         if table[colUser]['values'][i] not in attack_dict:
                             attack_dict[table[colUser]['values'][i]] = []