Adding initial support for Informix (Issue #552)

lib/controller/handler.py

@@ -22,6 +22,7 @@ from lib.core.settings import MAXDB_ALIASES
 from lib.core.settings import SYBASE_ALIASES
 from lib.core.settings import DB2_ALIASES
 from lib.core.settings import HSQLDB_ALIASES
+from lib.core.settings import INFORMIX_ALIASES
 from lib.utils.sqlalchemy import SQLAlchemy
 
 from plugins.dbms.mssqlserver import MSSQLServerMap
@@ -46,6 +47,8 @@ from plugins.dbms.db2 import DB2Map
 from plugins.dbms.db2.connector import Connector as DB2Conn
 from plugins.dbms.hsqldb import HSQLDBMap
 from plugins.dbms.hsqldb.connector import Connector as HSQLDBConn
+from plugins.dbms.informix import InformixMap
+from plugins.dbms.informix.connector import Connector as InformixConn
 
 def setHandler():
     """
@@ -65,6 +68,7 @@ def setHandler():
                   (DBMS.SYBASE, SYBASE_ALIASES, SybaseMap, SybaseConn),
                   (DBMS.DB2, DB2_ALIASES, DB2Map, DB2Conn),
                   (DBMS.HSQLDB, HSQLDB_ALIASES, HSQLDBMap, HSQLDBConn),
+                  (DBMS.INFORMIX, INFORMIX_ALIASES, InformixMap, InformixConn),
             ]
 
     _ = max(_ if (Backend.getIdentifiedDbms() or "").lower() in _[1] else None for _ in items)

lib/core/agent.py

@@ -486,7 +486,7 @@ class Agent(object):
         @rtype: C{str}
         """
 
-        prefixRegex = r"(?:\s+(?:FIRST|SKIP|LIMIT \d+)\s+\d+)*"
+        prefixRegex = r"(?:\s+(?:FIRST|SKIP|LIMIT( \d+)?)\s+\d+)*"
         fieldsSelectTop = re.search(r"\ASELECT\s+TOP\s+[\d]+\s+(.+?)\s+FROM", query, re.I)
         fieldsSelectRownum = re.search(r"\ASELECT\s+([^()]+?),\s*ROWNUM AS LIMIT FROM", query, re.I)
         fieldsSelectDistinct = re.search(r"\ASELECT%s\s+DISTINCT\((.+?)\)\s+FROM" % prefixRegex, query, re.I)

lib/core/dicts.py

@@ -21,6 +21,7 @@ from lib.core.settings import MAXDB_ALIASES
 from lib.core.settings import SYBASE_ALIASES
 from lib.core.settings import DB2_ALIASES
 from lib.core.settings import HSQLDB_ALIASES
+from lib.core.settings import INFORMIX_ALIASES
 
 FIREBIRD_TYPES = {
                     261: "BLOB",
@@ -146,8 +147,9 @@ DBMS_DICT = {
                 DBMS.FIREBIRD: (FIREBIRD_ALIASES, "python-kinterbasdb", "http://kinterbasdb.sourceforge.net/", "firebird"),
                 DBMS.MAXDB: (MAXDB_ALIASES, None, None, "maxdb"),
                 DBMS.SYBASE: (SYBASE_ALIASES, "python-pymssql", "http://pymssql.sourceforge.net/", "sybase"),
-                DBMS.DB2: (DB2_ALIASES, "python ibm-db", "http://code.google.com/p/ibm-db/", "ibm_db_sa"),
+                DBMS.DB2: (DB2_ALIASES, "python ibm-db", "https://github.com/ibmdb/python-ibmdb", "ibm_db_sa"),
                 DBMS.HSQLDB: (HSQLDB_ALIASES, "python jaydebeapi & python-jpype", "https://pypi.python.org/pypi/JayDeBeApi/ & http://jpype.sourceforge.net/", None),
+                DBMS.INFORMIX: (INFORMIX_ALIASES, "python ibm-db", "https://github.com/ibmdb/python-ibmdb", "ibm_db_sa"),
             }
 
 FROM_DUMMY_TABLE = {
@@ -156,7 +158,8 @@ FROM_DUMMY_TABLE = {
                         DBMS.FIREBIRD: " FROM RDB$DATABASE",
                         DBMS.MAXDB: " FROM VERSIONS",
                         DBMS.DB2: " FROM SYSIBM.SYSDUMMY1",
-                        DBMS.HSQLDB: " FROM INFORMATION_SCHEMA.SYSTEM_USERS"
+                        DBMS.HSQLDB: " FROM INFORMATION_SCHEMA.SYSTEM_USERS",
+                        DBMS.INFORMIX: " FROM SYSMASTER:SYSDUAL"
                    }
 
 SQL_STATEMENTS = {

lib/core/enums.py

@@ -34,6 +34,7 @@ class DBMS:
     SQLITE = "SQLite"
     SYBASE = "Sybase"
     HSQLDB = "HSQLDB"
+    INFORMIX = "Informix"
 
 class DBMS_DIRECTORY_NAME:
     ACCESS = "access"
@@ -47,6 +48,7 @@ class DBMS_DIRECTORY_NAME:
     SQLITE = "sqlite"
     SYBASE = "sybase"
     HSQLDB = "hsqldb"
+    INFORMIX = "informix"
 
 class CUSTOM_LOGGING:
     PAYLOAD = 9

lib/core/settings.py

@@ -19,7 +19,7 @@ from lib.core.enums import OS
 from lib.core.revision import getRevisionNumber
 
 # sqlmap version (<major>.<minor>.<month>.<monthly commit>)
-VERSION = "1.0.9.22"
+VERSION = "1.0.9.23"
 REVISION = getRevisionNumber()
 TYPE = "dev" if VERSION.count('.') > 2 and VERSION.split('.')[-1] != '0' else "stable"
 TYPE_COLORS = {"dev": 33, "stable": 90, "pip": 34}

lib/utils/deps.py

@@ -44,6 +44,8 @@ def checkDependencies():
             elif dbmsName == DBMS.HSQLDB:
                 import jaydebeapi
                 import jpype
+            elif dbmsName == DBMS.INFORMIX:
+                import ibm_db_dbi
         except ImportError:
             warnMsg = "sqlmap requires '%s' third-party library " % data[1]
             warnMsg += "in order to directly connect to the DBMS "