The Design and Implementation of the FreeBSD Operating System, Second Edition
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FreeBSD/Linux Kernel Cross Reference
sys/netncp/ncp_ncp.h

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    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  *
   14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   24  * SUCH DAMAGE.
   25  *
   26  * $FreeBSD: releng/9.0/sys/netncp/ncp_ncp.h 206361 2010-04-07 16:50:38Z joel $
   27  */
   28 #ifndef _NETNCP_NCP_NCP_H_
   29 #define _NETNCP_NCP_NCP_H_
   30 
   31 #define NCP_ALLOC_SLOT          0x1111
   32 #define NCP_REQUEST             0x2222
   33 #define NCP_REPLY               0x3333
   34 #define NCP_FREE_SLOT           0x5555
   35 #define NCP_PACKET_BURST        0x7777
   36 #define NCP_POSITIVE_ACK        0x9999
   37 
   38 /*
   39  * Bits for connection state field in ncp_rphdr
   40  */
   41 #define NCP_CS_BAD_CONN         0x01    /* no such connection */
   42 #define NCP_CS_NO_SLOTS         0x04    /* no connection slots available */
   43 #define NCP_CS_SERVER_DOWN      0x10    /* server in down state */
   44 #define NCP_CS_HAVE_BROADCAST   0x40    /* server holds broadcast for us */
   45 
   46 #define NCP_RETRY_COUNT         5
   47 #define NCP_RETRY_TIMEOUT       10
   48 #define NCP_RESTORE_COUNT       2       /* how many times try to restore per 
   49                                          * single request, should be an _even_ */
   50 
   51 struct ncp_rqhdr {
   52         u_int16_t type;
   53         u_int8_t  seq;
   54         u_int8_t  conn_low;
   55         u_int8_t  task;
   56         u_int8_t  conn_high;
   57         u_int8_t  fn;
   58         u_int8_t  data[0];
   59 } __packed;
   60 
   61 
   62 struct ncp_rphdr {
   63         u_int16_t       type;
   64         u_int8_t        seq;
   65         u_int8_t        conn_low;
   66         u_int8_t        task;
   67         u_int8_t        conn_high;
   68         u_int8_t        completion_code;
   69         u_int8_t        connection_state;
   70         u_int8_t        data[0];
   71 }__packed;
   72 
   73 #define BFL_ABT         0x04
   74 #define BFL_EOB         0x10
   75 #define BFL_SYS         0x80
   76 
   77 #define BOP_READ        1L
   78 #define BOP_WRITE       2L
   79 
   80 #define BERR_NONE       0
   81 #define BERR_INIT       1
   82 #define BERR_IO         2
   83 #define BERR_NODATA     3
   84 #define BERR_WRITE      4
   85 
   86 struct ncp_bursthdr {
   87         u_short bh_type;
   88         u_char  bh_flags;
   89         u_char  bh_streamtype;
   90         u_long  bh_srcid;
   91         u_long  bh_dstid;
   92         u_long  bh_seq;                 /* HL */
   93         u_long  bh_send_delay;          /* HL */
   94         u_short bh_bseq;                /* HL */
   95         u_short bh_aseq;                /* HL */
   96         u_long  bh_blen;                /* HL */
   97         u_long  bh_dofs;                /* HL */
   98         u_short bh_dlen;                /* HL */
   99         u_short bh_misfrags;            /* HL */
  100 } __packed;
  101 
  102 struct ncp_conn;
  103 struct ncp_conn_args;
  104 struct ncp_rq;
  105 struct ucred;
  106 
  107 int  ncp_ncp_connect(struct ncp_conn *conn);
  108 int  ncp_ncp_disconnect(struct ncp_conn *conn);
  109 int  ncp_negotiate_buffersize(struct ncp_conn *conn, int size, int *target);
  110 int  ncp_renegotiate_connparam(struct ncp_conn *conn, int buffsize,
  111         u_int8_t in_options);
  112 int  ncp_get_bindery_object_id(struct ncp_conn *conn, 
  113                 u_int16_t object_type, char *object_name, 
  114                 struct ncp_bindery_object *target,
  115                 struct thread *td,struct ucred *cred);
  116 int  ncp_get_encryption_key(struct ncp_conn *conn, char *target);
  117 int  ncp_login_encrypted(struct ncp_conn *conn,
  118         struct ncp_bindery_object *object,
  119         const u_char *key, const u_char *passwd,
  120         struct thread *td, struct ucred *cred);
  121 int ncp_login_unencrypted(struct ncp_conn *conn, u_int16_t object_type, 
  122         const char *object_name, const u_char *passwd,
  123         struct thread *td, struct ucred *cred);
  124 int  ncp_read(struct ncp_conn *conn, ncp_fh *file, struct uio *uiop, struct ucred *cred);
  125 int  ncp_write(struct ncp_conn *conn, ncp_fh *file, struct uio *uiop, struct ucred *cred);
  126 
  127 #endif /* _NCP_NCP_H_ */

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