sys/netproto/ncp/ncp_rq.h

   1 /*
   2  * Copyright (c) 1999, Boris Popov
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. All advertising materials mentioning features or use of this software
  14  *    must display the following acknowledgement:
  15  *    This product includes software developed by Boris Popov.
  16  * 4. Neither the name of the author nor the names of any co-contributors
  17  *    may be used to endorse or promote products derived from this software
  18  *    without specific prior written permission.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  30  * SUCH DAMAGE.
  31  *
  32  * $FreeBSD: src/sys/netncp/ncp_rq.h,v 1.4 2000/01/14 19:54:38 bde Exp $
  33  * $DragonFly: src/sys/netproto/ncp/ncp_rq.h,v 1.4 2006/01/14 13:36:40 swildner Exp $
  34  */
  35 #ifndef _NETNCP_NCP_RQ_H_
  36 #define _NETNCP_NCP_RQ_H_
  37
  38 #include <machine/endian.h>
  39
  40 #define getb(buf,ofs)           (((const u_int8_t *)(buf))[ofs])
  41 #define setb(buf,ofs,val)       (((u_int8_t*)(buf))[ofs])=val
  42 #define getbw(buf,ofs)          ((u_int16_t)(getb(buf,ofs)))
  43
  44 #if (BYTE_ORDER == LITTLE_ENDIAN)
  45
  46 #define getwle(buf,ofs) (*((u_int16_t*)(&((u_int8_t*)(buf))[ofs])))
  47 #define getdle(buf,ofs) (*((u_int32_t*)(&((u_int8_t*)(buf))[ofs])))
  48 #define getwbe(buf,ofs) (ntohs(getwle(buf,ofs)))
  49 #define getdbe(buf,ofs) (ntohl(getdle(buf,ofs)))
  50
  51 #define setwle(buf,ofs,val) getwle(buf,ofs)=val
  52 #define setwbe(buf,ofs,val) getwle(buf,ofs)=htons(val)
  53 #define setdle(buf,ofs,val) getdle(buf,ofs)=val
  54 #define setdbe(buf,ofs,val) getdle(buf,ofs)=htonl(val)
  55
  56 #define htoles(x)       ((u_int16_t)(x))
  57 #define letohs(x)       ((u_int16_t)(x))
  58 #define htolel(x)       ((u_int32_t)(x))
  59 #define letohl(x)       ((u_int32_t)(x))
  60
  61 #else
  62 #error "Macros for Big-Endians are incomplete"
  63 #define getwle(buf,ofs) ((u_int16_t)(getb(buf, ofs) | (getb(buf, ofs + 1) << 8)))
  64 #define getdle(buf,ofs) ((u_int32_t)(getb(buf, ofs) | \
  65                                     (getb(buf, ofs + 1) << 8) | \
  66                                     (getb(buf, ofs + 2) << 16) | \
  67                                     (getb(buf, ofs + 3) << 24)))
  68 #define getwbe(buf,ofs) (*((u_int16_t*)(&((u_int8_t*)(buf))[ofs])))
  69 #define getdbe(buf,ofs) (*((u_int32_t*)(&((u_int8_t*)(buf))[ofs])))
  70 /*
  71 #define setwle(buf,ofs,val) getwle(buf,ofs)=val
  72 #define setdle(buf,ofs,val) getdle(buf,ofs)=val
  73 */
  74 #define setwbe(buf,ofs,val) getwle(buf,ofs)=val
  75 #define setdbe(buf,ofs,val) getdle(buf,ofs)=val
  76 /*
  77 #define htoles(x)       ((u_int16_t)(x))
  78 #define letohs(x)       ((u_int16_t)(x))
  79 #define htolel(x)       ((u_int32_t)(x))
  80 #define letohl(x)       ((u_int32_t)(x))
  81 */
  82 #endif
  83
  84
  85 #ifdef _KERNEL
  86 struct ncp_nlstables;
  87 /*
  88  * Structure to prepare ncp request and receive reply
  89  */
  90 struct ncp_rq {
  91         struct ncp_conn *conn;          /* back link */
  92         struct mbuf     *rq;
  93         struct mbuf     *mrq;
  94         struct mbuf     *rp;
  95         struct mbuf     *mrp;
  96         caddr_t         bpos;
  97 /*      int             rqsize;*/               /* request size without ncp header */
  98         int             rpsize;         /* reply size minus ncp header */
  99         int             cc;             /* completion code */
 100         int             cs;             /* connection state */
 101         struct thread   *td;            /* thread that did rq */
 102         struct ucred    *cred;          /* user that did rq */
 103         int             rexmit;
 104 };
 105
 106 #define DECLARE_RQ      struct ncp_rq rq;struct ncp_rq *rqp=&rq
 107
 108
 109 int  ncp_rq_head(struct ncp_rq *rqp,u_int32_t ptype, u_int8_t fn,
 110     struct thread *td, struct ucred *cred);
 111 int  ncp_rq_done(struct ncp_rq *rqp);
 112
 113 /* common case for normal request */
 114 #define ncp_rq_init(rqp,fn,td,c) ncp_rq_head((rqp),NCP_REQUEST,(fn),(td),(c))
 115 #define ncp_rq_close(rqp)       ncp_rq_done((rqp))
 116
 117 #define NCP_RQ_HEAD(fn,td,c)    ncp_rq_init(rqp,fn,td,c)
 118 #define NCP_RQ_HEAD_S(fn,sfn,td,c)      do { NCP_RQ_HEAD(fn,td,c);ncp_rq_word(rqp,0);ncp_rq_byte(rqp,(sfn)); } while(0)
 119 #define NCP_RQ_EXIT     bad: ncp_rq_close(rqp)
 120 #define NCP_RQ_EXIT_NB  ncp_rq_close(rqp)
 121 #define ncp_rq_word     ncp_rq_word_lh
 122 #define ncp_rq_dword    ncp_rq_dword_lh
 123
 124 /*void ncp_init_request(struct ncp_rq *rqp, int fn);
 125 void ncp_close_request(struct ncp_rq *rqp);*/
 126 void ncp_rq_byte(struct ncp_rq *rqp, u_int8_t x);
 127 void ncp_rq_word_hl(struct ncp_rq *rqp, u_int16_t x);
 128 void ncp_rq_word_lh(struct ncp_rq *rqp, u_int16_t x);
 129 void ncp_rq_dword_lh(struct ncp_rq *rqp, u_int32_t x);
 130 static void ncp_rq_mem(struct ncp_rq *rqp, caddr_t source, int size);
 131 static int  ncp_rq_usermem(struct ncp_rq *rqp, caddr_t source, int size);
 132 int  ncp_rq_mbuf(struct ncp_rq *rqp, struct mbuf *m, int size);
 133 int  ncp_rq_putanymem(struct ncp_rq *rqp, caddr_t source, int size,int type);
 134 void ncp_rq_pathstring(struct ncp_rq *rqp, int size, char *name, struct ncp_nlstables*);
 135 void ncp_rq_dbase_path(struct ncp_rq *, u_int8_t vol_num,
 136                     u_int32_t dir_base, int namelen, u_char *name, struct ncp_nlstables *nt);
 137 void ncp_rq_pstring(struct ncp_rq *rqp, char *s);
 138
 139 u_int8_t  ncp_rp_byte(struct ncp_rq *rqp);
 140 u_int16_t ncp_rp_word_hl(struct ncp_rq *rqp);
 141 u_int16_t ncp_rp_word_lh(struct ncp_rq *rqp);
 142 u_int32_t ncp_rp_dword_hl(struct ncp_rq *rqp);
 143 u_int32_t ncp_rp_dword_lh(struct ncp_rq *rqp);
 144 void      ncp_rp_mem(struct ncp_rq *rqp,caddr_t target, int size);
 145 int       ncp_rp_usermem(struct ncp_rq *rqp,caddr_t target, int size);
 146 int nwfs_mbuftouio(struct mbuf **mrep, struct uio *uiop, int siz, caddr_t *dpos);
 147 int nwfs_uiotombuf(struct uio *uiop, struct mbuf **mq, int siz, caddr_t *bpos);
 148 struct mbuf* ncp_rp_mbuf(struct ncp_rq *rqp, int size);
 149
 150 static void __inline
 151 ncp_rq_mem(struct ncp_rq *rqp, caddr_t source, int size)
 152 {
 153         ncp_rq_putanymem(rqp,source,size,0);
 154 }
 155 static int __inline
 156 ncp_rq_usermem(struct ncp_rq *rqp, caddr_t source, int size)
 157 {
 158         return ncp_rq_putanymem(rqp,source,size,1);
 159 }
 160 void ncp_sign_init(const char *logindata, char *sign_root);
 161
 162 #else /* ifdef _KERNEL */
 163
 164 #define DECLARE_RQ      struct ncp_buf conn1, *conn=&conn1
 165
 166 #define ncp_add_byte(conn,x) (conn)->packet[(conn)->rqsize++]=x
 167
 168 struct ncp_buf;
 169
 170 __BEGIN_DECLS
 171
 172 void ncp_init_request(struct ncp_buf *);
 173 void ncp_init_request_s(struct ncp_buf *, int);
 174 void ncp_add_word_lh(struct ncp_buf *, u_int16_t);
 175 void ncp_add_dword_lh(struct ncp_buf *, u_int32_t);
 176 void ncp_add_word_hl(struct ncp_buf *, u_int16_t);
 177 void ncp_add_dword_hl(struct ncp_buf *, u_int32_t);
 178 void ncp_add_mem(struct ncp_buf *, const void *, int);
 179 void ncp_add_mem_nls(struct ncp_buf *, const void *, int);
 180 void ncp_add_pstring(struct ncp_buf *, const char *);
 181 void ncp_add_handle_path(struct ncp_buf *, nuint32, nuint32, int, const char *);
 182
 183 #define ncp_reply_data(conn,offset) ((conn)->packet+offset)
 184 #define ncp_reply_byte(conn,offset) (*(u_int8_t*)(ncp_reply_data(conn, offset)))
 185
 186 u_int16_t ncp_reply_word_hl(struct ncp_buf *, int);
 187 u_int16_t ncp_reply_word_lh(struct ncp_buf *, int);
 188 u_int32_t ncp_reply_dword_hl(struct ncp_buf *, int);
 189 u_int32_t ncp_reply_dword_lh(struct ncp_buf *, int);
 190
 191 static __inline void
 192 ConvertToNWfromDWORD(u_int32_t sfd, ncp_fh *fh)
 193 {
 194         fh->val1 = (fh->val.val32 = sfd);
 195         return;
 196 }
 197
 198 __END_DECLS
 199
 200 #endif /* ifdef _KERNEL */
 201
 202 #endif  /* !_NETNCP_NCP_RQ_H_ */