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/*
Copyright (c) 2008-2012 Red Hat, Inc. <http://www.redhat.com>
This file is part of GlusterFS.
This file is licensed to you under your choice of the GNU Lesser
General Public License, version 3 or any later version (LGPLv3 or
later), or the GNU General Public License, version 2 (GPLv2), in all
cases as published by the Free Software Foundation.
*/
#ifndef _XDR_RPC_H_
#define _XDR_RPC_H_
#ifndef GF_SOLARIS_HOST_OS
#include <rpc/rpc.h>
#endif
#ifdef GF_SOLARIS_HOST_OS
#include <rpc/auth.h>
#include <rpc/auth_sys.h>
#endif
//#include <rpc/pmap_clnt.h>
#include <arpa/inet.h>
#include <rpc/xdr.h>
#include <sys/uio.h>
#include "xdr-common.h"
typedef enum {
AUTH_GLUSTERFS = 5,
AUTH_GLUSTERFS_v2 = 390039, /* using a number from 'unused' range,
from the list available in RFC5531 */
} gf_rpc_authtype_t;
/* Converts a given network buffer from its XDR format to a structure
* that contains everything an RPC call needs to work.
*/
extern int
xdr_to_rpc_call (char *msgbuf, size_t len, struct rpc_msg *call,
struct iovec *payload, char *credbytes, char *verfbytes);
extern int
rpc_fill_empty_reply (struct rpc_msg *reply, uint32_t xid);
extern int
rpc_fill_denied_reply (struct rpc_msg *reply, int rjstat, int auth_err);
extern int
rpc_fill_accepted_reply (struct rpc_msg *reply, int arstat, int proglow,
int proghigh, int verf, int len, char *vdata);
extern int
rpc_reply_to_xdr (struct rpc_msg *reply, char *dest, size_t len,
struct iovec *dst);
extern int
xdr_to_auth_unix_cred (char *msgbuf, int msglen, struct authunix_parms *au,
char *machname, gid_t *gids);
/* Macros that simplify accessing the members of an RPC call structure. */
#define rpc_call_xid(call) ((call)->rm_xid)
#define rpc_call_direction(call) ((call)->rm_direction)
#define rpc_call_rpcvers(call) ((call)->ru.RM_cmb.cb_rpcvers)
#define rpc_call_program(call) ((call)->ru.RM_cmb.cb_prog)
#define rpc_call_progver(call) ((call)->ru.RM_cmb.cb_vers)
#define rpc_call_progproc(call) ((call)->ru.RM_cmb.cb_proc)
#define rpc_opaque_auth_flavour(oa) ((oa)->oa_flavor)
#define rpc_opaque_auth_len(oa) ((oa)->oa_length)
#define rpc_call_cred_flavour(call) (rpc_opaque_auth_flavour ((&(call)->ru.RM_cmb.cb_cred)))
#define rpc_call_cred_len(call) (rpc_opaque_auth_len ((&(call)->ru.RM_cmb.cb_cred)))
#define rpc_call_verf_flavour(call) (rpc_opaque_auth_flavour ((&(call)->ru.RM_cmb.cb_verf)))
#define rpc_call_verf_len(call) (rpc_opaque_auth_len ((&(call)->ru.RM_cmb.cb_verf)))
#if defined(GF_DARWIN_HOST_OS) || defined (IPV6_DEFAULT)
#define GF_PRI_RPC_XID PRIu32
#define GF_PRI_RPC_VERSION PRIu32
#define GF_PRI_RPC_PROG_ID PRIu32
#define GF_PRI_RPC_PROG_VERS PRIu32
#define GF_PRI_RPC_PROC PRIu32
#define GF_PRI_RPC_PROC_VERSION PRIu32
#else
#define GF_PRI_RPC_XID PRIu64
#define GF_PRI_RPC_VERSION PRIu64
#define GF_PRI_RPC_PROG_ID PRIu64
#define GF_PRI_RPC_PROG_VERS PRIu64
#define GF_PRI_RPC_PROC PRIu64
#define GF_PRI_RPC_PROC_VERSION PRIu64
#endif
#endif
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