Move InspIRCd::IsValidMask() to helperfuncs.cpp

git-svn-id: http://svn.inspircd.org/repository/trunk/inspircd@8298 e03df62e-2008-0410-955e-edbf42e46eb7

1 files changed, 32 insertions, 0 deletions

diff --git a/src/helperfuncs.cpp b/src/helperfuncs.cpp
index ceb4711a9..388e9bb50 100644
--- a/src/helperfuncs.cpp
+++ b/src/helperfuncs.cpp
@@ -391,6 +391,38 @@ long InspIRCd::LocalUserCount()
 	return (local_users.size() - this->UnregisteredUserCount());
 }
 
+bool InspIRCd::IsValidMask(const std::string &mask)
+{
+	char* dest = (char*)mask.c_str();
+	int exclamation = 0;
+	int atsign = 0;
+
+	for (char* i = dest; *i; i++)
+	{
+		/* out of range character, bad mask */
+		if (*i < 32 || *i > 126)
+		{
+			return false;
+		}
+
+		switch (*i)
+		{
+			case '!':
+				exclamation++;
+				break;
+			case '@':
+				atsign++;
+				break;
+		}
+	}
+
+	/* valid masks only have 1 ! and @ */
+	if (exclamation != 1 || atsign != 1)
+		return false;
+
+	return true;
+}
+
 /* true for valid channel name, false else */
 bool InspIRCd::IsChannel(const char *chname)
 {