added option --proxy-cred for setting proxy credentials (Feature #195)

lib/core/option.py

@@ -578,7 +578,18 @@ def __setHTTPProxy():
         errMsg = "proxy value must be in format 'http://url:port'"
         raise sqlmapSyntaxException, errMsg
 
-    __proxyString = "%s:%d" % (__hostname, __port)
+    if conf.pCred:
+        pCredRegExp = re.search("^(.*?):(.*?)$", conf.pCred)
+
+        if not pCredRegExp:
+            errMsg  = "Proxy authentication credentials "
+            errMsg += "value must be in format username:password"
+            raise sqlmapSyntaxException, errMsg
+    
+        # Reference: http://stackoverflow.com/questions/34079/how-to-specify-an-authenticated-proxy-for-a-python-http-connection
+        __proxyString = "%s@%s:%d" % (conf.pCred, __hostname, __port)
+    else:
+        __proxyString = "%s:%d" % (__hostname, __port)
 
     # Workaround for http://bugs.python.org/issue1424152 (urllib/urllib2:
     # HTTPS over (Squid) Proxy fails) as long as HTTP over SSL requests

lib/core/optiondict.py

@@ -51,6 +51,7 @@ optDict = {
                                "aCert":             "string",
                                "keepAlive":         "boolean",
                                "proxy":             "string",
+                               "pCred":             "string",
                                "ignoreProxy":       "boolean",
                                "threads":           "integer",
                                "delay":             "float",

lib/parse/cmdline.py

@@ -119,6 +119,10 @@ def cmdLineParser():
         request.add_option("--proxy", dest="proxy",
                            help="Use a HTTP proxy to connect to the target url")
 
+        request.add_option("--proxy-cred", dest="pCred",
+                           help="Proxy authentication credentials "
+                                "(name:password)")
+                                
         request.add_option("--ignore-proxy", dest="ignoreProxy",
                             action="store_true",
                            help="Ignore system default HTTP proxy")