292 lines
6.5 KiB
C
292 lines
6.5 KiB
C
/*
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Copyright (C) 2012 by Ronnie Sahlberg <ronniesahlberg@gmail.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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/*
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* This file contains definitions for the built in ZDR implementation.
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* This is a very limited ZDR subset that can only marshal to/from a momory buffer,
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* i.e. zdrmem_create() buffers.
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* It aims to be compatible with normal rpcgen generated functions.
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*/
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/************************************************************
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* Definitions copied from RFC 5531
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* and slightly modified.
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************************************************************/
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#ifndef _LIBNFS_ZDR_H_
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#define _LIBNFS_ZDR_H_
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#ifdef WIN32
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#ifndef CADDR_T_DEFINED
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#define CADDR_T_DEFINED
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typedef char *caddr_t;
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#endif
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#endif
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#include <stdio.h>
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#include <assert.h>
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#include <stdint.h>
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#include <sys/types.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define _RPC_RPC_H 1
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#define _RPC_ZDR_H 1
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#define _RPC_AUTH_H 1
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/* we dont need these */
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typedef void CLIENT;
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struct svc_req {
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int _dummy_;
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};
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typedef void SVCXPRT;
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#define ZDR_INLINE(...) NULL
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#define IZDR_PUT_U_LONG(...) assert(0)
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#define IZDR_GET_U_LONG(...) (assert(0), 0)
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#define IZDR_PUT_LONG(...) assert(0)
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#define IZDR_GET_LONG(...) (assert(0), 0)
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#define IZDR_PUT_BOOL(...) assert(0)
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#define IZDR_GET_BOOL(...) (assert(0), 0)
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#ifndef TRUE
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#define TRUE 1
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#endif
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#ifndef FALSE
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#define FALSE 0
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#endif
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enum zdr_op {
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ZDR_ENCODE = 0,
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ZDR_DECODE = 1
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};
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struct zdr_mem;
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struct ZDR {
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enum zdr_op x_op;
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caddr_t buf;
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int size;
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int pos;
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struct zdr_mem *mem;
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};
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typedef struct ZDR ZDR;
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typedef uint32_t u_int;
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typedef uint32_t enum_t;
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typedef uint32_t bool_t;
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typedef int (*zdrproc_t) (ZDR *, void *,...);
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#define AUTH_NONE 0
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#define AUTH_NULL 0
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#define AUTH_UNIX 1
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struct opaque_auth {
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uint32_t oa_flavor;
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caddr_t oa_base;
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uint32_t oa_length;
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};
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extern struct opaque_auth _null_auth;
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struct AUTH {
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struct opaque_auth ah_cred;
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struct opaque_auth ah_verf;
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caddr_t ah_private;
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};
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#define RPC_MSG_VERSION 2
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enum msg_type {
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CALL = 0,
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REPLY = 1
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};
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enum reply_stat {
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MSG_ACCEPTED=0,
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MSG_DENIED=1
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};
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enum accept_stat {
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SUCCESS = 0,
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PROG_UNAVAIL = 1,
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PROG_MISMATCH = 2,
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PROC_UNAVAIL = 3,
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GARBAGE_ARGS = 4,
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SYSTEM_ERR = 5
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};
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enum reject_stat {
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RPC_MISMATCH = 0,
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AUTH_ERROR = 1
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};
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enum auth_stat {
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AUTH_OK=0,
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/*
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* failed at remote end
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*/
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AUTH_BADCRED = 1, /* bogus credentials (seal broken) */
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AUTH_REJECTEDCRED = 2, /* client should begin new session */
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AUTH_BADVERF = 3, /* bogus verifier (seal broken) */
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AUTH_REJECTEDVERF = 4, /* verifier expired or was replayed */
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AUTH_TOOWEAK = 5, /* rejected due to security reasons */
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/*
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* failed locally
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*/
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AUTH_INVALIDRESP = 6, /* bogus response verifier */
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AUTH_FAILED = 7 /* some unknown reason */
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};
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struct call_body {
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uint32_t rpcvers;
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uint32_t prog;
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uint32_t vers;
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uint32_t proc;
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struct opaque_auth cred;
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struct opaque_auth verf;
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};
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struct accepted_reply {
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struct opaque_auth verf;
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uint32_t stat;
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union {
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struct {
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caddr_t where;
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zdrproc_t proc;
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} results;
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struct {
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uint32_t low;
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uint32_t high;
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} mismatch_info;
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} reply_data;
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};
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struct rejected_reply {
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enum reject_stat stat;
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union {
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struct {
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uint32_t low;
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uint32_t high;
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} mismatch_info;
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enum auth_stat stat;
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} reject_data;
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};
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struct reply_body {
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uint32_t stat;
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union {
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struct accepted_reply areply;
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struct rejected_reply rreply;
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} reply;
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};
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struct rpc_msg {
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uint32_t xid;
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uint32_t direction;
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union {
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struct call_body cbody;
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struct reply_body rbody;
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} body;
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};
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#define zdrmem_create libnfs_zdrmem_create
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void libnfs_zdrmem_create(ZDR *zdrs, const caddr_t addr, uint32_t size, enum zdr_op xop);
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#define zdr_destroy libnfs_zdr_destroy
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void libnfs_zdr_destroy(ZDR *zdrs);
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#define zdr_bytes libnfs_zdr_bytes
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bool_t libnfs_zdr_bytes(ZDR *zdrs, char **bufp, uint32_t *size, uint32_t maxsize);
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#define zdr_u_int libnfs_zdr_u_int
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#define zdr_uint32_t libnfs_zdr_u_int
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bool_t libnfs_zdr_u_int(ZDR *zdrs, uint32_t *u);
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#define zdr_int libnfs_zdr_int
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#define zdr_int32_t libnfs_zdr_int
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bool_t libnfs_zdr_int(ZDR *zdrs, int32_t *i);
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#define zdr_uint64_t libnfs_zdr_uint64_t
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bool_t libnfs_zdr_uint64_t(ZDR *zdrs, uint64_t *u);
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#define zdr_int64_t libnfs_zdr_int64_t
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bool_t libnfs_zdr_int64_t(ZDR *zdrs, int64_t *i);
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#define zdr_enum libnfs_zdr_enum
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bool_t libnfs_zdr_enum(ZDR *zdrs, enum_t *e);
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#define zdr_bool libnfs_zdr_bool
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bool_t libnfs_zdr_bool(ZDR *zdrs, bool_t *b);
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#define zdr_void libnfs_zdr_void
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bool_t libnfs_zdr_void(void);
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#define zdr_pointer libnfs_zdr_pointer
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bool_t libnfs_zdr_pointer(ZDR *zdrs, char **objp, uint32_t size, zdrproc_t proc);
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#define zdr_opaque libnfs_zdr_opaque
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bool_t libnfs_zdr_opaque(ZDR *zdrs, char *objp, uint32_t size);
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#define zdr_string libnfs_zdr_string
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bool_t libnfs_zdr_string(ZDR *zdrs, char **strp, uint32_t maxsize);
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#define zdr_array libnfs_zdr_array
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bool_t libnfs_zdr_array(ZDR *zdrs, char **arrp, uint32_t *size, uint32_t maxsize, uint32_t elsize, zdrproc_t proc);
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#define zdr_setpos libnfs_zdr_setpos
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bool_t libnfs_zdr_setpos(ZDR *zdrs, uint32_t pos);
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#define zdr_getpos libnfs_zdr_getpos
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uint32_t libnfs_zdr_getpos(ZDR *zdrs);
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#define zdr_free libnfs_zdr_free
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void libnfs_zdr_free(zdrproc_t proc, char *objp);
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struct rpc_context;
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#define zdr_callmsg libnfs_zdr_callmsg
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bool_t libnfs_zdr_callmsg(struct rpc_context *rpc, ZDR *zdrs, struct rpc_msg *msg);
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#define zdr_replymsg libnfs_zdr_replymsg
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bool_t libnfs_zdr_replymsg(struct rpc_context *rpc, ZDR *zdrs, struct rpc_msg *msg);
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#define authnone_create libnfs_authnone_create
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struct AUTH *libnfs_authnone_create(void);
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#define authunix_create libnfs_authunix_create
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struct AUTH *libnfs_authunix_create(const char *host, uint32_t uid, uint32_t gid, uint32_t len, uint32_t *groups);
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#define authunix_create_default libnfs_authunix_create_default
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struct AUTH *libnfs_authunix_create_default(void);
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#define auth_destroy libnfs_auth_destroy
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void libnfs_auth_destroy(struct AUTH *auth);
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#ifdef __cplusplus
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}
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#endif
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#endif
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