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Less timeout error messages (because of server dropping of non-active connections)

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This commit is contained in:
Miroslav Stampar 2016-07-15 00:33:33 +02:00
parent bce9db1af5
commit 5097a2c79e
2 changed files with 20 additions and 6 deletions
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21
lib/core/option.py
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@ -120,6 +120,7 @@ from lib.core.settings import MAX_CONNECT_RETRIES
from lib.core.settings import MAX_NUMBER_OF_THREADS from lib.core.settings import MAX_NUMBER_OF_THREADS
from lib.core.settings import NULL from lib.core.settings import NULL
from lib.core.settings import PARAMETER_SPLITTING_REGEX from lib.core.settings import PARAMETER_SPLITTING_REGEX
from lib.core.settings import PRECONNECT_CANDIDATE_TIMEOUT
from lib.core.settings import PROBLEMATIC_CUSTOM_INJECTION_PATTERNS from lib.core.settings import PROBLEMATIC_CUSTOM_INJECTION_PATTERNS
from lib.core.settings import SITE from lib.core.settings import SITE
from lib.core.settings import SOCKET_PRE_CONNECT_QUEUE_SIZE from lib.core.settings import SOCKET_PRE_CONNECT_QUEUE_SIZE
@ -1039,7 +1040,7 @@ def _setSocketPreConnect():
s = socket.socket(family, type, proto) s = socket.socket(family, type, proto)
s._connect(address) s._connect(address)
with kb.locks.socket: with kb.locks.socket:
socket._ready[key].append(s._sock) socket._ready[key].append((s._sock, time.time()))
except KeyboardInterrupt: except KeyboardInterrupt:
break break
except: except:
@ -1054,9 +1055,17 @@ def _setSocketPreConnect():
with kb.locks.socket: with kb.locks.socket:
if key not in socket._ready: if key not in socket._ready:
socket._ready[key] = [] socket._ready[key] = []
if len(socket._ready[key]) > 0: while len(socket._ready[key]) > 0:
self._sock = socket._ready[key].pop(0) candidate, created = socket._ready[key].pop(0)
found = True if (time.time() - created) < PRECONNECT_CANDIDATE_TIMEOUT:
self._sock = candidate
found = True
break
else:
try:
candidate.close()
except socket.error:
pass
if not found: if not found:
self._connect(address) self._connect(address)
@ -2282,6 +2291,7 @@ def _setTorHttpProxySettings():
infoMsg = "setting Tor HTTP proxy settings" infoMsg = "setting Tor HTTP proxy settings"
logger.info(infoMsg) logger.info(infoMsg)
s = None
found = None found = None
for port in (DEFAULT_TOR_HTTP_PORTS if not conf.torPort else (conf.torPort,)): for port in (DEFAULT_TOR_HTTP_PORTS if not conf.torPort else (conf.torPort,)):
@ -2293,7 +2303,8 @@ def _setTorHttpProxySettings():
except socket.error: except socket.error:
pass pass
s.close() if s:
s.close()
if found: if found:
conf.proxy = "http://%s:%d" % (LOCALHOST, found) conf.proxy = "http://%s:%d" % (LOCALHOST, found)

5
lib/core/settings.py
View File

@ -19,7 +19,7 @@ from lib.core.enums import OS
from lib.core.revision import getRevisionNumber from lib.core.revision import getRevisionNumber
# sqlmap version (<major>.<minor>.<month>.<monthly commit>) # sqlmap version (<major>.<minor>.<month>.<monthly commit>)
VERSION = "1.0.7.21" VERSION = "1.0.7.22"
REVISION = getRevisionNumber() REVISION = getRevisionNumber()
STABLE = VERSION.count('.') <= 2 STABLE = VERSION.count('.') <= 2
VERSION_STRING = "sqlmap/%s#%s" % (VERSION, "stable" if STABLE else "dev") VERSION_STRING = "sqlmap/%s#%s" % (VERSION, "stable" if STABLE else "dev")
@ -81,6 +81,9 @@ PERMISSION_DENIED_REGEX = r"(command|permission|access)\s*(was|is)?\s*denied"
# Regular expression used for recognition of generic maximum connection messages # Regular expression used for recognition of generic maximum connection messages
MAX_CONNECTIONS_REGEX = r"max.+connections" MAX_CONNECTIONS_REGEX = r"max.+connections"
# Timeout before the pre-connection candidate is being disposed (because of high probability that the web server will reset it)
PRECONNECT_CANDIDATE_TIMEOUT = 10
# Regular expression used for extracting results from Google search # Regular expression used for extracting results from Google search
GOOGLE_REGEX = r"webcache\.googleusercontent\.com/search\?q=cache:[^:]+:([^+]+)\+&amp;cd=|url\?\w+=((?![^>]+webcache\.googleusercontent\.com)http[^>]+)&(sa=U|rct=j)" GOOGLE_REGEX = r"webcache\.googleusercontent\.com/search\?q=cache:[^:]+:([^+]+)\+&amp;cd=|url\?\w+=((?![^>]+webcache\.googleusercontent\.com)http[^>]+)&(sa=U|rct=j)"