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Fix for an Issue #485 (failing back to single-thread mode if over some bisection length)

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stamparm 2013-07-09 10:24:48 +02:00
parent d7c0805e7c
commit be5ce760b6
2 changed files with 7 additions and 0 deletions
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3
lib/core/settings.py
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@ -481,6 +481,9 @@ MAX_CONNECTION_CHUNK_SIZE = 10 * 1024 * 1024
# Maximum response total page size (trimmed if larger) # Maximum response total page size (trimmed if larger)
MAX_CONNECTION_TOTAL_SIZE = 100 * 1024 * 1024 MAX_CONNECTION_TOTAL_SIZE = 100 * 1024 * 1024
# Maximum (multi-threaded) length of entry in bisection algorithm
MAX_BISECTION_LENGTH = 50 * 1024 * 1024
# Mark used for trimming unnecessary content in large chunks # Mark used for trimming unnecessary content in large chunks
LARGE_CHUNK_TRIM_MARKER = "__TRIMMED_CONTENT__" LARGE_CHUNK_TRIM_MARKER = "__TRIMMED_CONTENT__"

4
lib/techniques/blind/inference.py
View File

@ -40,6 +40,7 @@ from lib.core.settings import INFERENCE_UNKNOWN_CHAR
from lib.core.settings import INFERENCE_GREATER_CHAR from lib.core.settings import INFERENCE_GREATER_CHAR
from lib.core.settings import INFERENCE_EQUALS_CHAR from lib.core.settings import INFERENCE_EQUALS_CHAR
from lib.core.settings import INFERENCE_NOT_EQUALS_CHAR from lib.core.settings import INFERENCE_NOT_EQUALS_CHAR
from lib.core.settings import MAX_BISECTION_LENGTH
from lib.core.settings import MAX_TIME_REVALIDATION_STEPS from lib.core.settings import MAX_TIME_REVALIDATION_STEPS
from lib.core.settings import PARTIAL_HEX_VALUE_MARKER from lib.core.settings import PARTIAL_HEX_VALUE_MARKER
from lib.core.settings import PARTIAL_VALUE_MARKER from lib.core.settings import PARTIAL_VALUE_MARKER
@ -135,6 +136,9 @@ def bisection(payload, expression, length=None, charsetType=None, firstChar=None
if length and (lastChar > 0 or firstChar > 0): if length and (lastChar > 0 or firstChar > 0):
length = min(length, lastChar or length) - firstChar length = min(length, lastChar or length) - firstChar
if length and length > MAX_BISECTION_LENGTH:
length = None
showEta = conf.eta and isinstance(length, int) showEta = conf.eta and isinstance(length, int)
numThreads = min(conf.threads, length) numThreads = min(conf.threads, length)