From 4cc6e5e14fdbde499481dbab5ab2ad1257b8af9c Mon Sep 17 00:00:00 2001
From: w00t <w00t@e03df62e-2008-0410-955e-edbf42e46eb7>
Date: Mon, 22 Oct 2007 10:14:18 +0000
Subject: Move InspIRCd::IsValidMask() to helperfuncs.cpp

git-svn-id: http://svn.inspircd.org/repository/trunk/inspircd@8298 e03df62e-2008-0410-955e-edbf42e46eb7
---
 src/helperfuncs.cpp | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

(limited to 'src/helperfuncs.cpp')

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)
 {
-- 
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