When MD5 authentication is not possible because there is no challenge present,

either because the Challenge action was never issued, or some other reason,
give a proper error message and return an error instead of claiming that the
user wasn't found.
(reported by jsmith on IRC)


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@63886 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/manager.c

@@ -946,6 +946,11 @@ static int authenticate(struct mansession *s, const struct message *m)
 							ast_config_destroy(cfg);
 							return -1;
 						}
+					} else {
+						ast_log(LOG_DEBUG, "MD5 authentication is not possible.  challenge: '%s'\n", 
+							S_OR(s->challenge, ""));
+						ast_config_destroy(cfg);
+						return -1;
 					}
 				} else if (password && !strcmp(password, pass)) {
 					break;