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Another patch related to the #1752
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13366aeb48
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@ -20,7 +20,7 @@ from lib.core.enums import OS
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from lib.core.revision import getRevisionNumber
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from lib.core.revision import getRevisionNumber
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# sqlmap version and site
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# sqlmap version and site
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VERSION = "1.0.0.18"
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VERSION = "1.0.0.19"
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REVISION = getRevisionNumber()
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REVISION = getRevisionNumber()
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STABLE = VERSION.count('.') <= 2
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STABLE = VERSION.count('.') <= 2
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VERSION_STRING = "sqlmap/%s#%s" % (VERSION, "stable" if STABLE else "dev")
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VERSION_STRING = "sqlmap/%s#%s" % (VERSION, "stable" if STABLE else "dev")
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@ -60,10 +60,11 @@ def dnsUse(payload, expression):
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prefix, suffix = ("%s" % randomStr(length=3, alphabet=DNS_BOUNDARIES_ALPHABET) for _ in xrange(2))
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prefix, suffix = ("%s" % randomStr(length=3, alphabet=DNS_BOUNDARIES_ALPHABET) for _ in xrange(2))
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chunk_length = MAX_DNS_LABEL / 2 if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.MYSQL, DBMS.PGSQL) else MAX_DNS_LABEL / 4 - 2
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chunk_length = MAX_DNS_LABEL / 2 if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.MYSQL, DBMS.PGSQL) else MAX_DNS_LABEL / 4 - 2
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_, _, _, _, _, _, fieldToCastStr, _ = agent.getFields(expression)
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_, _, _, _, _, _, fieldToCastStr, _ = agent.getFields(expression)
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nulledCastedField = agent.nullAndCastField(fieldToCastStr)
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extendedField = re.search(r"[^ ,]*%s[^ ,]*" % re.escape(fieldToCastStr), expression).group(0)
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extendedField = re.search(r"[^ ,]*%s[^ ,]*" % re.escape(fieldToCastStr), expression).group(0)
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if extendedField != fieldToCastStr: # e.g. MIN(surname)
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if extendedField != fieldToCastStr: # e.g. MIN(surname)
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nulledCastedField = extendedField.replace(fieldToCastStr, nulledCastedField)
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fieldToCastStr = extendedField
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fieldToCastStr = extendedField
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nulledCastedField = agent.nullAndCastField(fieldToCastStr)
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nulledCastedField = queries[Backend.getIdentifiedDbms()].substring.query % (nulledCastedField, offset, chunk_length)
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nulledCastedField = queries[Backend.getIdentifiedDbms()].substring.query % (nulledCastedField, offset, chunk_length)
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nulledCastedField = agent.hexConvertField(nulledCastedField)
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nulledCastedField = agent.hexConvertField(nulledCastedField)
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expressionReplaced = expression.replace(fieldToCastStr, nulledCastedField, 1)
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expressionReplaced = expression.replace(fieldToCastStr, nulledCastedField, 1)
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