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      1 /*
      2  * CDDL HEADER START
      3  *
      4  * The contents of this file are subject to the terms of the
      5  * Common Development and Distribution License (the "License").
      6  * You may not use this file except in compliance with the License.
      7  *
      8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
      9  * or http://www.opensolaris.org/os/licensing.
     10  * See the License for the specific language governing permissions
     11  * and limitations under the License.
     12  *
     13  * When distributing Covered Code, include this CDDL HEADER in each
     14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
     15  * If applicable, add the following below this CDDL HEADER, with the
     16  * fields enclosed by brackets "[]" replaced with your own identifying
     17  * information: Portions Copyright [yyyy] [name of copyright owner]
     18  *
     19  * CDDL HEADER END
     20  */
     21 /*
     22  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
     23  * Use is subject to license terms.
     24  */
     25 
     26 #ifndef _SMBSRV_SMB_COMMON_DOOR_H
     27 #define	_SMBSRV_SMB_COMMON_DOOR_H
     28 
     29 #pragma ident	"@(#)smb_common_door.h	1.1	07/10/25 SMI"
     30 
     31 #include <smbsrv/wintypes.h>
     32 #include <smbsrv/smb_xdr.h>
     33 #include <smbsrv/smb_token.h>
     34 
     35 #ifdef __cplusplus
     36 extern "C" {
     37 #endif
     38 
     39 extern int smb_dr_get_opcode(char *argp, size_t arg_size);
     40 extern int smb_dr_get_res_stat(char *rbufp, size_t rbuf_size);
     41 extern char *smb_dr_set_opcode(uint32_t opcode, size_t *len);
     42 extern char *smb_dr_set_res_stat(uint32_t stat, size_t *len);
     43 extern char *smb_dr_encode_string(uint32_t reserved, char *buf, size_t *len);
     44 
     45 #ifdef _KERNEL
     46 extern int smb_kdr_decode_common(char *buf, size_t len, xdrproc_t proc,
     47     void *data);
     48 extern char *smb_kdr_encode_common(uint_t reserved, void *data,
     49     xdrproc_t proc, size_t *len);
     50 
     51 /* kernel encode functions */
     52 extern char *smb_dr_encode_arg_get_token(netr_client_t *clnt_info,
     53     size_t *len);
     54 /* kernel decode functions */
     55 extern smb_token_t *smb_dr_decode_res_token(char *buf, size_t len);
     56 extern smb_dr_kshare_t *smb_dr_decode_kshare(char *buf, size_t len);
     57 
     58 /* kernel free functions */
     59 void smb_dr_kshare_free(smb_dr_kshare_t *kshare);
     60 #else /* _KERNEL */
     61 extern int smb_dr_decode_common(char *buf, size_t len, xdrproc_t proc,
     62     void *data);
     63 extern char *smb_dr_encode_common(uint_t reserved, void *data, xdrproc_t proc,
     64     size_t *len);
     65 
     66 /* user-space encode functions */
     67 extern char *smb_dr_encode_res_token(smb_token_t *token, size_t *len);
     68 extern char *smb_dr_encode_kshare(smb_dr_kshare_t *, size_t *);
     69 
     70 /* user-space decode functions */
     71 extern netr_client_t *smb_dr_decode_arg_get_token(char *buf, size_t len);
     72 extern char *smb_dr_decode_string(char *buf, size_t len);
     73 
     74 /* user-space free functions */
     75 extern void smb_dr_ulist_free(smb_dr_ulist_t *ulist);
     76 #endif /* _KERNEL */
     77 
     78 /*
     79  * PBSHORTCUT - should be removed once XDR is used for
     80  * serializing/deserializing data across door.
     81  */
     82 
     83 /*
     84  * Common encode/decode functions used by door clients/servers.
     85  */
     86 
     87 typedef struct smb_dr_ctx {
     88 	char *ptr;
     89 	char *start_ptr;
     90 	char *end_ptr;
     91 	int status;
     92 } smb_dr_ctx_t;
     93 
     94 
     95 extern smb_dr_ctx_t *smb_dr_decode_start(char *ptr, int size);
     96 extern int smb_dr_decode_finish(smb_dr_ctx_t *ctx);
     97 
     98 extern smb_dr_ctx_t *smb_dr_encode_start(char *ptr, int size);
     99 extern int smb_dr_encode_finish(smb_dr_ctx_t *ctx, unsigned int *used);
    100 
    101 extern int32_t smb_dr_get_int32(smb_dr_ctx_t *ctx);
    102 extern DWORD smb_dr_get_dword(smb_dr_ctx_t *ctx);
    103 extern uint32_t smb_dr_get_uint32(smb_dr_ctx_t *ctx);
    104 extern int64_t smb_dr_get_int64(smb_dr_ctx_t *ctx);
    105 extern uint64_t smb_dr_get_uint64(smb_dr_ctx_t *ctx);
    106 
    107 extern void smb_dr_put_int32(smb_dr_ctx_t *ctx, int32_t num);
    108 extern void smb_dr_put_dword(smb_dr_ctx_t *ctx, DWORD num);
    109 extern void smb_dr_put_uint32(smb_dr_ctx_t *ctx, uint32_t num);
    110 extern void smb_dr_put_int64(smb_dr_ctx_t *ctx, int64_t num);
    111 extern void smb_dr_put_uint64(smb_dr_ctx_t *ctx, uint64_t num);
    112 
    113 extern char *smb_dr_get_string(smb_dr_ctx_t *ctx);
    114 extern void smb_dr_put_string(smb_dr_ctx_t *ctx, char *buf);
    115 extern void smb_dr_free_string(char *buf);
    116 
    117 extern void smb_dr_put_word(smb_dr_ctx_t *ctx, WORD num);
    118 extern WORD smb_dr_get_word(smb_dr_ctx_t *ctx);
    119 
    120 extern void smb_dr_put_BYTE(smb_dr_ctx_t *ctx, BYTE byte);
    121 extern BYTE smb_dr_get_BYTE(smb_dr_ctx_t *ctx);
    122 
    123 extern void smb_dr_put_buf(smb_dr_ctx_t *ctx, unsigned char *start, int len);
    124 extern int smb_dr_get_buf(smb_dr_ctx_t *ctx, unsigned char *buf, int bufsize);
    125 
    126 #ifdef __cplusplus
    127 }
    128 #endif
    129 
    130 #endif	/* _SMBSRV_SMB_COMMON_DOOR_H */
    131