Be more user friendly on messages and minor code layout improvement

lib/core/dump.py

@@ -91,7 +91,8 @@ class Dump:
 
 
     def lister(self, header, elements):
-        self.__write("%s [%d]:" % (header, len(elements)))
+        if elements:
+            self.__write("%s [%d]:" % (header, len(elements)))
 
         try:
             elements = set(elements)
@@ -106,13 +107,15 @@ class Dump:
             elif isinstance(element, (list, tuple, set)):
                 self.__write("[*] " + ", ".join(e for e in element))
 
-        self.__write("")
+        if elements:
+            self.__write("")
 
 
     def userSettings(self, header, userSettings, subHeader):
         self.__areAdmins = set()
 
-        self.__write("%s:" % header)
+        if userSettings:
+            self.__write("%s:" % header)
 
         if isinstance(userSettings, (tuple, list, set)):
             self.__areAdmins = userSettings[1]

plugins/dbms/mssqlserver.py

@@ -195,7 +195,7 @@ class MSSQLServerMap(Fingerprint, Enumeration, Filesystem, Takeover):
 
 
     def getPrivileges(self):
-        warnMsg = "this plugin can not fetch database users privileges"
+        warnMsg = "on MySQL is it not possible to fetch database users privileges"
         logger.warn(warnMsg)
 
         return {}

plugins/dbms/oracle.py

@@ -210,7 +210,7 @@ class OracleMap(Fingerprint, Enumeration, Filesystem, Takeover):
 
 
     def getDbs(self):
-        warnMsg = "this plugin can not enumerate databases"
+        warnMsg = "on Oracle it is not possible to enumerate databases"
         logger.warn(warnMsg)
 
         return []

plugins/generic/filesystem.py

@@ -33,10 +33,10 @@ class Filesystem:
     """
 
     def readFile(self, rFile):
-        errMsg = "this plugin does not support OS file reading yet"
+        errMsg = "OS file reading not yet implemented for this DBMS"
         raise sqlmapUnsupportedFeatureException, errMsg
 
 
     def writeFile(self, wFile):
-        errMsg = "this plugin does not support OS file writing yet"
+        errMsg = "OS file writing not yet implemented for this DBMS"
         raise sqlmapUnsupportedFeatureException, errMsg

plugins/generic/takeover.py

@@ -33,5 +33,5 @@ class Takeover:
     """
 
     def osShell(self):
-        errMsg = "this plugin does not support OS shell functionality yet"
+        errMsg = "OS shell functionality not yet implemented for this DBMS"
         raise sqlmapUnsupportedFeatureException, errMsg

sqlmap.py

@@ -72,16 +72,20 @@ def main():
 
         if conf.start:
             start()
+
     except exceptionsTuple, e:
         logger.error(e)
+
     except KeyboardInterrupt:
         print
         errMsg = "user aborted"
         logger.error(errMsg)
+
     except EOFError:
         print
         errMsg = "exit"
         logger.error(errMsg)
+
     except:
         errMsg = unhandledException()
         logger.error(errMsg)