Fix logic for parsing princ components (LP 1249863)

Avoid segfault when missing acceptor realm.

diff --git a/mech_eap/util.h b/mech_eap/util.h
index 0aa2479..62b9f22 100644 (file)
--- a/mech_eap/util.h
+++ b/mech_eap/util.h
@@ -1012,7 +1012,7 @@ static inline void
 krbPrincComponentToGssBuffer(krb5_principal krbPrinc,
                              int index, gss_buffer_t buffer)
 {
-    if (KRB_PRINC_LENGTH(krbPrinc) < index) {
+    if (KRB_PRINC_LENGTH(krbPrinc) <= index) {
         buffer->value = NULL;
         buffer->length = 0;
     } else {