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freebsd/sys/netncp/ncp_rq.h
Peter Wemm 664a31e496 Change #ifdef KERNEL to #ifdef _KERNEL in the public headers. "KERNEL" 
is an application space macro and the applications are supposed to be free
to use it as they please (but cannot).  This is consistant with the other
BSD's who made this change quite some time ago.  More commits to come.
1999-12-29 04:46:21 +00:00

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/*
* Copyright (c) 1999, Boris Popov
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Boris Popov.
* 4. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _NETNCP_NCP_RQ_H_
#define _NETNCP_NCP_RQ_H_
#include <machine/endian.h>
#define getb(buf,ofs) (((const u_int8_t *)(buf))[ofs])
#define setb(buf,ofs,val) (((u_int8_t*)(buf))[ofs])=val
#define getbw(buf,ofs) ((u_int16_t)(getb(buf,ofs)))
#if (BYTE_ORDER == LITTLE_ENDIAN)
#define getwle(buf,ofs) (*((u_int16_t*)(&((u_int8_t*)(buf))[ofs])))
#define getdle(buf,ofs) (*((u_int32_t*)(&((u_int8_t*)(buf))[ofs])))
#define getwbe(buf,ofs) (ntohs(getwle(buf,ofs)))
#define getdbe(buf,ofs) (ntohl(getdle(buf,ofs)))
#define setwle(buf,ofs,val) getwle(buf,ofs)=val
#define setwbe(buf,ofs,val) getwle(buf,ofs)=htons(val)
#define setdle(buf,ofs,val) getdle(buf,ofs)=val
#define setdbe(buf,ofs,val) getdle(buf,ofs)=htonl(val)
#define htoles(x) ((u_int16_t)(x))
#define letohs(x) ((u_int16_t)(x))
#define htolel(x) ((u_int32_t)(x))
#define letohl(x) ((u_int32_t)(x))
#else
#error "Macros for Big-Endians are incomplete"
#define getwle(buf,ofs) ((u_int16_t)(getb(buf, ofs) | (getb(buf, ofs + 1) << 8)))
#define getdle(buf,ofs) ((u_int32_t)(getb(buf, ofs) | \
(getb(buf, ofs + 1) << 8) | \
(getb(buf, ofs + 2) << 16) | \
(getb(buf, ofs + 3) << 24)))
#define getwbe(buf,ofs) (*((u_int16_t*)(&((u_int8_t*)(buf))[ofs])))
#define getdbe(buf,ofs) (*((u_int32_t*)(&((u_int8_t*)(buf))[ofs])))
/*
#define setwle(buf,ofs,val) getwle(buf,ofs)=val
#define setdle(buf,ofs,val) getdle(buf,ofs)=val
*/
#define setwbe(buf,ofs,val) getwle(buf,ofs)=val
#define setdbe(buf,ofs,val) getdle(buf,ofs)=val
/*
#define htoles(x) ((u_int16_t)(x))
#define letohs(x) ((u_int16_t)(x))
#define htolel(x) ((u_int32_t)(x))
#define letohl(x) ((u_int32_t)(x))
*/
#endif
#ifdef _KERNEL
struct ncp_nlstables;
/*
* Structure to prepare ncp request and receive reply
*/
struct ncp_rq {
struct ncp_conn *conn; /* back link */
struct mbuf *rq;
struct mbuf *mrq;
struct mbuf *rp;
struct mbuf *mrp;
caddr_t bpos;
/* int rqsize;*/ /* request size without ncp header */
int rpsize; /* reply size minus ncp header */
int cc; /* completion code */
int cs; /* connection state */
struct proc *p; /* proc that did rq */
struct ucred *cred; /* user that did rq */
int rexmit;
};
#define DECLARE_RQ struct ncp_rq rq;struct ncp_rq *rqp=&rq
int ncp_rq_head(struct ncp_rq *rqp,u_int32_t ptype, u_int8_t fn,struct proc *p,
struct ucred *cred);
int ncp_rq_done(struct ncp_rq *rqp);
/* common case for normal request */
#define ncp_rq_init(rqp,fn,p,c) ncp_rq_head((rqp),NCP_REQUEST,(fn),(p),(c))
#define ncp_rq_close(rqp) ncp_rq_done((rqp))
#define NCP_RQ_HEAD(fn,p,c) ncp_rq_init(rqp,fn,p,c)
#define NCP_RQ_HEAD_S(fn,sfn,p,c) NCP_RQ_HEAD(fn,p,c);ncp_rq_word(rqp,0);ncp_rq_byte(rqp,(sfn))
#define NCP_RQ_EXIT bad: ncp_rq_close(rqp)
#define NCP_RQ_EXIT_NB ncp_rq_close(rqp)
#define ncp_rq_word ncp_rq_word_lh
#define ncp_rq_dword ncp_rq_dword_lh
/*void ncp_init_request(struct ncp_rq *rqp, int fn);
void ncp_close_request(struct ncp_rq *rqp);*/
void ncp_rq_byte(struct ncp_rq *rqp, u_int8_t x);
void ncp_rq_word_hl(struct ncp_rq *rqp, u_int16_t x);
void ncp_rq_word_lh(struct ncp_rq *rqp, u_int16_t x);
void ncp_rq_dword_lh(struct ncp_rq *rqp, u_int32_t x);
static void ncp_rq_mem(struct ncp_rq *rqp, caddr_t source, int size);
static int ncp_rq_usermem(struct ncp_rq *rqp, caddr_t source, int size);
int ncp_rq_mbuf(struct ncp_rq *rqp, struct mbuf *m, int size);
int ncp_rq_putanymem(struct ncp_rq *rqp, caddr_t source, int size,int type);
void ncp_rq_pathstring(struct ncp_rq *rqp, int size, char *name, struct ncp_nlstables*);
void ncp_rq_dbase_path(struct ncp_rq *, u_int8_t vol_num,
u_int32_t dir_base, int namelen, u_char *name, struct ncp_nlstables *nt);
void ncp_rq_pstring(struct ncp_rq *rqp, char *s);
u_int8_t ncp_rp_byte(struct ncp_rq *rqp);
u_int16_t ncp_rp_word_hl(struct ncp_rq *rqp);
u_int16_t ncp_rp_word_lh(struct ncp_rq *rqp);
u_int32_t ncp_rp_dword_hl(struct ncp_rq *rqp);
u_int32_t ncp_rp_dword_lh(struct ncp_rq *rqp);
void ncp_rp_mem(struct ncp_rq *rqp,caddr_t target, int size);
int ncp_rp_usermem(struct ncp_rq *rqp,caddr_t target, int size);
int nwfs_mbuftouio(struct mbuf **mrep, struct uio *uiop, int siz, caddr_t *dpos);
int nwfs_uiotombuf(struct uio *uiop, struct mbuf **mq, int siz, caddr_t *bpos);
struct mbuf* ncp_rp_mbuf(struct ncp_rq *rqp, int size);
static void __inline ncp_rq_mem(struct ncp_rq *rqp, caddr_t source, int size) {
ncp_rq_putanymem(rqp,source,size,0);
}
static int __inline ncp_rq_usermem(struct ncp_rq *rqp, caddr_t source, int size) {
return ncp_rq_putanymem(rqp,source,size,1);
}
void ncp_sign_init(const char *logindata, char *sign_root);
#else /* ifdef _KERNEL */
#define DECLARE_RQ struct ncp_buf conn1, *conn=&conn1
#define ncp_add_byte(conn,x) (conn)->packet[(conn)->rqsize++]=x
__BEGIN_DECLS
void ncp_init_request(struct ncp_buf *);
void ncp_init_request_s(struct ncp_buf *, int);
void ncp_add_word_lh(struct ncp_buf *, u_int16_t);
void ncp_add_dword_lh(struct ncp_buf *, u_int32_t);
void ncp_add_word_hl(struct ncp_buf *, u_int16_t);
void ncp_add_dword_hl(struct ncp_buf *, u_int32_t);
void ncp_add_mem(struct ncp_buf *, const void *, int);
void ncp_add_mem_nls(struct ncp_buf *, const void *, int);
void ncp_add_pstring(struct ncp_buf *, const char *);
void ncp_add_handle_path(struct ncp_buf *, nuint32, nuint32, int, const char *);
#define ncp_reply_data(conn,offset) ((conn)->packet+offset)
#define ncp_reply_byte(conn,offset) (*(u_int8_t*)(ncp_reply_data(conn, offset)))
u_int16_t ncp_reply_word_hl(struct ncp_buf *, int);
u_int16_t ncp_reply_word_lh(struct ncp_buf *, int);
u_int32_t ncp_reply_dword_hl(struct ncp_buf *, int);
u_int32_t ncp_reply_dword_lh(struct ncp_buf *, int);
static __inline void
ConvertToNWfromDWORD(u_int32_t sfd, ncp_fh *fh) {
fh->val1 = (fh->val.val32 = sfd);
return;
}
__END_DECLS
#endif /* ifdef _KERNEL */
#endif /* !_NETNCP_NCP_RQ_H_ */
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