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