[SUNRPC]: Remove unused file net/sunrpc/auth_gss/gss_pseudoflavors.c

Signed-off-by: David S. Miller <davem@davemloft.net>

net/sunrpc/auth_gss/gss_pseudoflavors.c

-/*
- *  linux/net/sunrpc/gss_union.c
- *
- *  Adapted from MIT Kerberos 5-1.2.1 lib/gssapi/generic code
- *
- *  Copyright (c) 2001 The Regents of the University of Michigan.
- *  All rights reserved.
- *
- *  Andy Adamson   <andros@umich.edu>
- *
- */
-
-/*
- * Copyright 1993 by OpenVision Technologies, Inc.
- *
- * Permission to use, copy, modify, distribute, and sell this software
- * and its documentation for any purpose is hereby granted without fee,
- * provided that the above copyright notice appears in all copies and
- * that both that copyright notice and this permission notice appear in
- * supporting documentation, and that the name of OpenVision not be used
- * in advertising or publicity pertaining to distribution of the software
- * without specific, written prior permission. OpenVision makes no
- * representations about the suitability of this software for any
- * purpose.  It is provided "as is" without express or implied warranty.
- *
- * OPENVISION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL OPENVISION BE LIABLE FOR ANY SPECIAL, INDIRECT OR
- * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
- * USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
- * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
- */ 
-
-#include <linux/types.h>
-#include <linux/slab.h>
-#include <linux/socket.h>
-#include <linux/sunrpc/gss_asn1.h>
-#include <linux/sunrpc/auth_gss.h>
-
-#ifdef RPC_DEBUG
-# define RPCDBG_FACILITY        RPCDBG_AUTH
-#endif
-
-static LIST_HEAD(registered_triples);
-static spinlock_t registered_triples_lock = SPIN_LOCK_UNLOCKED;
-
-/* The following must be called with spinlock held: */
-static struct sup_sec_triple *
-do_lookup_triple_by_pseudoflavor(u32 pseudoflavor)
-{
-	struct sup_sec_triple *pos, *triple = NULL;
-
-	list_for_each_entry(pos, &registered_triples, triples) {
-		if (pos->pseudoflavor == pseudoflavor) {
-			triple = pos;
-			break;
-		}
-	}
-	return triple;
-}
-
-/* XXX Need to think about reference counting of triples and of mechs.
- * Currently we do no reference counting of triples, and I think that's
- * probably OK given the reference counting on mechs, but there's probably
- * a better way to do all this. */
-
-int
-gss_register_triple(u32 pseudoflavor, struct gss_api_mech *mech,
-			  u32 qop, u32 service)
-{
-	struct sup_sec_triple *triple;
-
-	if (!(triple = kmalloc(sizeof(*triple), GFP_KERNEL))) {
-		printk("Alloc failed in gss_register_triple");
-		goto err;
-	}
-	triple->pseudoflavor = pseudoflavor;
-	triple->mech = gss_mech_get_by_OID(&mech->gm_oid);
-	triple->qop = qop;
-	triple->service = service;
-
-	spin_lock(&registered_triples_lock);
-	if (do_lookup_triple_by_pseudoflavor(pseudoflavor)) {
-		printk(KERN_WARNING "RPC: Registered pseudoflavor %d again\n",
-				pseudoflavor);
-		goto err_unlock;
-	}
-	list_add(&triple->triples, &registered_triples);
-	spin_unlock(&registered_triples_lock);
-	dprintk("RPC:      registered pseudoflavor %d\n", pseudoflavor);
-
-	return 0;
-
-err_unlock:
-	kfree(triple);
-	spin_unlock(&registered_triples_lock);
-err:
-	return -1;
-}
-
-int
-gss_unregister_triple(u32 pseudoflavor)
-{
-	struct sup_sec_triple *triple;
-
-	spin_lock(&registered_triples_lock);
-	if (!(triple = do_lookup_triple_by_pseudoflavor(pseudoflavor))) {
-		spin_unlock(&registered_triples_lock);
-		printk("Can't unregister unregistered pseudoflavor %d\n",
-		       pseudoflavor);
-		return -1;
-	}
-	list_del(&triple->triples);
-	spin_unlock(&registered_triples_lock);
-	gss_mech_put(triple->mech);
-	kfree(triple);
-	return 0;
-
-}
-
-void
-print_sec_triple(struct xdr_netobj *oid,u32 qop,u32 service)
-{
-	dprintk("RPC: print_sec_triple:\n");
-	dprintk("                     oid_len %d\n  oid :\n",oid->len);
-	print_hexl((u32 *)oid->data,oid->len,0);
-	dprintk("                     qop %d\n",qop);
-	dprintk("                     service %d\n",service);
-}
-
-/* Function: gss_get_cmp_triples
- *
- * Description: search sec_triples for a matching security triple
- * return pseudoflavor if match, else 0
- * (Note that 0 is a valid pseudoflavor, but not for any gss pseudoflavor
- * (0 means auth_null), so this shouldn't cause confusion.)
- */
-u32
-gss_cmp_triples(u32 oid_len, char *oid_data, u32 qop, u32 service)
-{
-	struct sup_sec_triple *triple;
-	u32 pseudoflavor = 0;
-	struct xdr_netobj oid;
-
-	oid.len = oid_len;
-	oid.data = oid_data;
-
-	dprintk("RPC:      gss_cmp_triples\n");
-	print_sec_triple(&oid,qop,service);
-
-	spin_lock(&registered_triples_lock);
-	list_for_each_entry(triple, &registered_triples, triples) {
-		if((g_OID_equal(&oid, &triple->mech->gm_oid))
-		    && (qop == triple->qop)
-		    && (service == triple->service)) {
-			pseudoflavor = triple->pseudoflavor;
-			break;
-		}
-	}
-	spin_unlock(&registered_triples_lock);
-	dprintk("RPC:      gss_cmp_triples return %d\n", pseudoflavor);
-	return pseudoflavor;
-}
-
-u32
-gss_get_pseudoflavor(struct gss_ctx *ctx, u32 qop, u32 service)
-{
-	return gss_cmp_triples(ctx->mech_type->gm_oid.len,
-			       ctx->mech_type->gm_oid.data,
-			       qop, service);
-}
-
-/* Returns nonzero iff the given pseudoflavor is in the supported list.
- * (Note that without incrementing a reference count or anything, this
- * doesn't give any guarantees.) */
-int
-gss_pseudoflavor_supported(u32 pseudoflavor)
-{
-	struct sup_sec_triple *triple;
-
-	spin_lock(&registered_triples_lock);
-	triple = do_lookup_triple_by_pseudoflavor(pseudoflavor);
-	spin_unlock(&registered_triples_lock);
-	return (triple ? 1 : 0);
-}
-
-u32
-gss_pseudoflavor_to_service(u32 pseudoflavor)
-{
-	struct sup_sec_triple *triple;
-
-	spin_lock(&registered_triples_lock);
-	triple = do_lookup_triple_by_pseudoflavor(pseudoflavor);
-	spin_unlock(&registered_triples_lock);
-	if (!triple) {
-		dprintk("RPC:      gss_pseudoflavor_to_service called with unsupported pseudoflavor %d\n",
-				pseudoflavor);
-		return 0;
-	}
-	return triple->service;
-}
-
-struct gss_api_mech *
-gss_pseudoflavor_to_mech(u32 pseudoflavor) {
-	struct sup_sec_triple *triple;
-	struct gss_api_mech *mech = NULL;
-
-	spin_lock(&registered_triples_lock);
-	triple = do_lookup_triple_by_pseudoflavor(pseudoflavor);
-	spin_unlock(&registered_triples_lock);
-	if (triple)
-		mech = gss_mech_get(triple->mech);
-	else
-		dprintk("RPC:      gss_pseudoflavor_to_mech called with unsupported pseudoflavor %d\n",
-				pseudoflavor);
-	return mech;
-}
-
-int
-gss_pseudoflavor_to_mechOID(u32 pseudoflavor, struct xdr_netobj * oid)
-{
-	struct gss_api_mech *mech;
-
-	mech = gss_pseudoflavor_to_mech(pseudoflavor);
-	if (!mech)  {
-		dprintk("RPC:      gss_pseudoflavor_to_mechOID called with unsupported pseudoflavor %d\n",
-				pseudoflavor);
-		        return -1;
-	}
-	oid->len = mech->gm_oid.len;
-	if (!(oid->data = kmalloc(oid->len, GFP_KERNEL)))
-		return -1;
-	memcpy(oid->data, mech->gm_oid.data, oid->len);
-	gss_mech_put(mech);
-	return 0;
-}