X-Git-Url: https://git.ozlabs.org/?p=ppp.git;a=blobdiff_plain;f=pppd%2Fplugins%2Fradius%2Fclientid.c;h=09ec3d04c56346e309d0c209690214dcbe9dd3d8;hp=d49579c43cc3ec10039bf754268495dcad16c4fa;hb=ef8ec1132273c3dbff2387f117630bbeb3f23f8e;hpb=f6330ec2a89df650cd6bfeaa6538b8053aeb45c7

diff --git a/pppd/plugins/radius/clientid.c b/pppd/plugins/radius/clientid.c
index d49579c..09ec3d0 100644
--- a/pppd/plugins/radius/clientid.c
+++ b/pppd/plugins/radius/clientid.c
@@ -110,7 +110,7 @@ UINT4 rc_map2id(char *name)
 	if (*name != '/')
 		strcpy(ttyname, "/dev/");
 
-	strncat(ttyname, name, sizeof(ttyname));
+	strncat(ttyname, name, sizeof(ttyname) - strlen(ttyname) -1);
 
 	for(p = map2id_list; p; p = p->next)
 		if (!strcmp(ttyname, p->name)) return p->id;