Check for illegal mode prefixes in AddMode (':' and ',')

We should *probably* check to make sure their rank value doesnt conflict with another modules, too


git-svn-id: http://svn.inspircd.org/repository/trunk/inspircd@5003 e03df62e-2008-0410-955e-edbf42e46eb7

1 files changed, 6 insertions, 0 deletions

diff --git a/src/mode.cpp b/src/mode.cpp
index 281fb6ac8..c7d66cd46 100644
--- a/src/mode.cpp
+++ b/src/mode.cpp
@@ -569,6 +569,12 @@ bool ModeParser::AddMode(ModeHandler* mh, unsigned const char modeletter)
 	if ((mh->GetModeChar() < 'A') || (mh->GetModeChar() > 'z'))
 		return false;
 
+	/* A mode prefix of ',' is not acceptable, it would fuck up server to server.
+	 * A mode prefix of ':' will fuck up both server to server, and client to server.
+	 */
+	if ((mh->GetPrefix() == ',') || (mh->GetPrefix() == ':'))
+		return false;
+
 	mh->GetModeType() == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL;
 	pos = (mh->GetModeChar()-65) | mask;