+/*
+ Copyright (C) 2012 by Ronnie Sahlberg <ronniesahlberg@gmail.com>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this program; if not, see <http://www.gnu.org/licenses/>.
+*/
+/*
+ * This file contains definitions for the built in ZDR implementation.
+ * This is a very limited ZDR subset that can only marshal to/from a momory buffer,
+ * i.e. zdrmem_create() buffers.
+ * It aims to be compatible with normal rpcgen generated functions.
+ */
+
+/************************************************************
+ * Definitions copied from RFC 5531
+ * and slightly modified.
+ ************************************************************/
+
+#include "config.h"
+
+#ifndef _LIBNFS_ZDR_H_
+#define _LIBNFS_ZDR_H_
+
+#include <stdio.h>
+#include <assert.h>
+#include <stdint.h>
+#include <sys/types.h>
+
+#define _RPC_RPC_H 1
+#define _RPC_ZDR_H 1
+#define _RPC_AUTH_H 1
+
+/* we dont need these */
+typedef void CLIENT;
+struct svc_req {
+};
+typedef void SVCXPRT;
+
+
+
+
+
+#define ZDR_INLINE(...) NULL
+#define IZDR_PUT_U_LONG(...) assert(0)
+#define IZDR_GET_U_LONG(...) (assert(0), 0)
+#define IZDR_PUT_LONG(...) assert(0)
+#define IZDR_GET_LONG(...) (assert(0), 0)
+#define IZDR_PUT_BOOL(...) assert(0)
+#define IZDR_GET_BOOL(...) (assert(0), 0)
+
+#define TRUE 1
+#define FALSE 0
+
+enum zdr_op {
+ ZDR_ENCODE = 0,
+ ZDR_DECODE = 1
+};
+
+struct zdr_mem {
+ struct zdr_mem *next;
+ caddr_t buf;
+ uint32_t size;
+};
+
+struct ZDR {
+ enum zdr_op x_op;
+ caddr_t buf;
+ int size;
+ int pos;
+ struct zdr_mem *mem;
+};
+typedef struct ZDR ZDR;
+
+
+typedef uint32_t u_int;
+typedef uint32_t enum_t;
+typedef uint32_t bool_t;
+
+typedef int (*zdrproc_t) (ZDR *, void *,...);
+
+/* XXX find out what we can get rid of */
+
+#define AUTH_NONE 0
+#define AUTH_NULL 0
+#define AUTH_UNIX 1
+
+struct opaque_auth {
+ uint32_t oa_flavor;
+ caddr_t oa_base;
+ uint32_t oa_length;
+};
+extern struct opaque_auth _null_auth;
+
+struct AUTH {
+ struct opaque_auth ah_cred;
+ struct opaque_auth ah_verf;
+ caddr_t ah_private;
+};
+
+#define RPC_MSG_VERSION 2
+
+enum msg_type {
+ CALL = 0,
+ REPLY = 1
+};
+
+enum reply_stat {
+ MSG_ACCEPTED=0,
+ MSG_DENIED=1
+};
+
+enum accept_stat {
+ SUCCESS = 0,
+ PROG_UNAVAIL = 1,
+ PROG_MISMATCH = 2,
+ PROC_UNAVAIL = 3,
+ GARBAGE_ARGS = 4,
+ SYSTEM_ERR = 5
+};
+
+enum reject_stat {
+ RPC_MISMATCH = 0,
+ AUTH_ERROR = 1
+};
+
+enum auth_stat {
+ AUTH_OK=0,
+ /*
+ * failed at remote end
+ */
+ AUTH_BADCRED = 1, /* bogus credentials (seal broken) */
+ AUTH_REJECTEDCRED = 2, /* client should begin new session */
+ AUTH_BADVERF = 3, /* bogus verifier (seal broken) */
+ AUTH_REJECTEDVERF = 4, /* verifier expired or was replayed */
+ AUTH_TOOWEAK = 5, /* rejected due to security reasons */
+ /*
+ * failed locally
+ */
+ AUTH_INVALIDRESP = 6, /* bogus response verifier */
+ AUTH_FAILED = 7 /* some unknown reason */
+};
+
+struct call_body {
+ uint32_t rpcvers;
+ uint32_t prog;
+ uint32_t vers;
+ uint32_t proc;
+ struct opaque_auth cred;
+ struct opaque_auth verf;
+};
+
+struct accepted_reply {
+ struct opaque_auth verf;
+ uint32_t stat;
+ union {
+ struct {
+ caddr_t where;
+ zdrproc_t proc;
+ } results;
+ struct {
+ uint32_t low;
+ uint32_t high;
+ } mismatch_info;
+ } reply_data;
+};
+
+struct rejected_reply {
+ enum reject_stat stat;
+ union {
+ struct {
+ u_long low;
+ u_long high;
+ } mismatch_info;
+ enum auth_stat stat;
+ } reject_data;
+};
+
+struct reply_body {
+ uint32_t stat;
+ union {
+ struct accepted_reply areply;
+ struct rejected_reply rreply;
+ } reply;
+};
+
+struct rpc_msg {
+ uint32_t xid;
+
+ uint32_t direction;
+ union {
+ struct call_body cbody;
+ struct reply_body rbody;
+ } body;
+};
+
+#define zdrmem_create libnfs_zdrmem_create
+void libnfs_zdrmem_create(ZDR *zdrs, const caddr_t addr, uint32_t size, enum zdr_op xop);
+
+#define zdr_destroy libnfs_zdr_destroy
+void libnfs_zdr_destroy(ZDR *zdrs);
+
+#define zdr_bytes libnfs_zdr_bytes
+bool_t libnfs_zdr_bytes(ZDR *zdrs, char **bufp, uint32_t *size, uint32_t maxsize);
+
+#define zdr_u_int libnfs_zdr_u_int
+bool_t libnfs_zdr_u_int(ZDR *zdrs, uint32_t *u);
+
+#define zdr_int libnfs_zdr_int
+bool_t libnfs_zdr_int(ZDR *zdrs, int32_t *i);
+
+#define zdr_u_quad_t libnfs_zdr_u_quad_t
+bool_t libnfs_zdr_u_quad_t(ZDR *zdrs, uint64_t *u);
+
+#define zdr_quad_t libnfs_zdr_quad_t
+bool_t libnfs_zdr_quad_t(ZDR *zdrs, int64_t *i);
+
+#define zdr_enum libnfs_zdr_enum
+bool_t libnfs_zdr_enum(ZDR *zdrs, enum_t *e);
+
+#define zdr_bool libnfs_zdr_bool
+bool_t libnfs_zdr_bool(ZDR *zdrs, bool_t *b);
+
+#define zdr_void libnfs_zdr_void
+bool_t libnfs_zdr_void(void);
+
+#define zdr_pointer libnfs_zdr_pointer
+bool_t libnfs_zdr_pointer(ZDR *zdrs, char **objp, uint32_t size, zdrproc_t proc);
+
+#define zdr_opaque libnfs_zdr_opaque
+bool_t libnfs_zdr_opaque(ZDR *zdrs, char *objp, uint32_t size);
+
+#define zdr_string libnfs_zdr_string
+bool_t libnfs_zdr_string(ZDR *zdrs, char **strp, uint32_t maxsize);
+
+#define zdr_array libnfs_zdr_array
+bool_t libnfs_zdr_array(ZDR *zdrs, char **arrp, uint32_t *size, uint32_t maxsize, uint32_t elsize, zdrproc_t proc);
+
+#define zdr_setpos libnfs_zdr_setpos
+bool_t libnfs_zdr_setpos(ZDR *zdrs, uint32_t pos);
+
+#define zdr_getpos libnfs_zdr_getpos
+uint32_t libnfs_zdr_getpos(ZDR *zdrs);
+
+#define zdr_free libnfs_zdr_free
+void libnfs_zdr_free(zdrproc_t proc, char *objp);
+
+#define zdr_callmsg libnfs_zdr_callmsg
+bool_t libnfs_zdr_callmsg(ZDR *zdrs, struct rpc_msg *msg);
+
+#define zdr_replymsg libnfs_zdr_replymsg
+bool_t libnfs_zdr_replymsg(ZDR *zdrs, struct rpc_msg *msg);
+
+#define authnone_create libnfs_authnone_create
+struct AUTH *libnfs_authnone_create(void);
+
+#define authunix_create libnfs_authunix_create
+struct AUTH *libnfs_authunix_create(char *host, uint32_t uid, uint32_t gid, uint32_t len, uint32_t *groups);
+
+#define authunix_create_default libnfs_authunix_create_default
+struct AUTH *libnfs_authunix_create_default(void);
+
+#define auth_destroy libnfs_auth_destroy
+void libnfs_auth_destroy(struct AUTH *auth);
+
+#endif