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freebsd-src/sys/netncp/ncp_rq.h

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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
struct ncp_buf;
__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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