Refactor
[mech_eap.git] / util_mech.c
index be83f5e..2919b34 100644 (file)
@@ -66,19 +66,19 @@ gss_OID GSS_EAP_AES128_CTS_HMAC_SHA1_96_MECHANISM    = &gssEapConcreteMechs[1];
 gss_OID GSS_EAP_AES256_CTS_HMAC_SHA1_96_MECHANISM    = &gssEapConcreteMechs[2];
 
 int
-gssEapIsMechanismOid(const gss_OID oid)
+gssEapIsConcreteMechanismOid(const gss_OID oid)
 {
-    if (oid == GSS_C_NO_OID) {
-        return TRUE;
-    } else if (oidEqual(oid, GSS_EAP_MECHANISM)) {
-        return TRUE;
-    } else if (oid->length > gssEapMechPrefix.length &&
-               memcmp(oid->elements, gssEapMechPrefix.elements,
-                      gssEapMechPrefix.length) == 0) {
-        return TRUE;
-    }
+    return oid->length > gssEapMechPrefix.length &&
+           memcmp(oid->elements, gssEapMechPrefix.elements,
+                  gssEapMechPrefix.length) == 0;
+}
 
-    return FALSE;
+int
+gssEapIsMechanismOid(const gss_OID oid)
+{
+    return oid == GSS_C_NO_OID ||
+           oidEqual(oid, GSS_EAP_MECHANISM) ||
+           gssEapIsConcreteMechanismOid(oid);
 }
 
 OM_uint32
@@ -223,8 +223,7 @@ gssEapDefaultMech(OM_uint32 *minor,
         return GSS_S_BAD_MECH;
     }
 
-    gssEapInternalizeOid(&mechs->elements[0], oid);
-    if (*oid == &mechs->elements[0]) {
+    if (!gssEapInternalizeOid(&mechs->elements[0], oid)) {
         /* don't double-free if we didn't internalize it */
         mechs->elements[0].length = 0;
         mechs->elements[0].elements = NULL;
@@ -236,7 +235,7 @@ gssEapDefaultMech(OM_uint32 *minor,
     return GSS_S_COMPLETE;
 }
 
-void
+int
 gssEapInternalizeOid(const gss_OID oid,
                      gss_OID *const pInternalizedOid)
 {
@@ -260,5 +259,8 @@ gssEapInternalizeOid(const gss_OID oid,
 
     if (*pInternalizedOid == GSS_C_NO_OID) {
         *pInternalizedOid = oid;
+        return 0;
     }
+
+    return 1;
 }