Added IsValid() and Changed behavior of allowed hosts to accept * on no allow defined

git-svn-id: https://znc.svn.sourceforge.net/svnroot/znc/trunk@188 726aef4b-f618-498e-8847-2d620e286838

User.cpp

@@ -57,6 +57,10 @@ bool CUser::AddAllowedHost(const string& sHostMask) {
 }
 
 bool CUser::IsHostAllowed(const string& sHostMask) {
+	if (m_ssAllowedHosts.empty()) {
+		return true;
+	}
+
 	for (set<string>::iterator a = m_ssAllowedHosts.begin(); a != m_ssAllowedHosts.end(); a++) {
 		if (CUtils::wildcmp(*a, sHostMask)) {
 			return true;
@@ -66,6 +70,27 @@ bool CUser::IsHostAllowed(const string& sHostMask) {
 	return false;
 }
 
+bool CUser::IsValid(string& sErrMsg) {
+	sErrMsg.clear();
+
+	if (m_sPass.empty()) {
+		sErrMsg = "Pass is empty";
+		return false;
+	}
+
+	if (m_sUserName.empty()) {
+		sErrMsg = "User is empty";
+		return false;
+	}
+
+	if (m_vServers.empty()) {
+		sErrMsg = "No servers defined";
+		return false;
+	}
+
+	return true;
+}
+
 bool CUser::AddChan(CChan* pChan) {
 	if (!pChan) {
 		return false;