lib/libncp/ncpl_rpc.c

   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  * NetWare RPCs
  32  *
  33  * $FreeBSD: src/lib/libncp/ncpl_rpc.c,v 1.1 1999/10/12 11:56:41 bp Exp $
  34  * $DragonFly: src/lib/libncp/ncpl_rpc.c,v 1.2 2003/06/17 06:26:50 dillon Exp $
  35  */
  36 #include <sys/types.h>
  37 #include <sys/time.h>
  38 #include <errno.h>
  39 #include <stdio.h>
  40 #include <strings.h>
  41 #include <netncp/ncp_lib.h>
  42
  43 struct ncp_rpc_rq {
  44         nuint16         len;    /* HL */
  45         nuint8          subfn;
  46         nuint32         reserved[4];
  47         nuint8          flags[4];
  48 } __attribute__ ((packed));
  49
  50 struct ncp_rpc_rp {
  51         nuint32         rpccode;
  52         nuint32         reserved[4];
  53         nuint32         rpcval;
  54 } __attribute__ ((packed));
  55
  56 static NWCCODE
  57 ncp_rpc(NWCONN_HANDLE cH, int rpcfn,
  58         const nuint8* rpcarg, char* arg1, char *arg2,
  59         nuint32* rpcval) {
  60         NWCCODE error;
  61         NW_FRAGMENT rq[4], rp;
  62         struct ncp_rpc_rq rqh;
  63         struct ncp_rpc_rp rph;
  64
  65         rqh.subfn = rpcfn;
  66         if (rpcarg)
  67                 bcopy(rpcarg, rqh.reserved, 4 * 4 + 4);
  68         else
  69                 bzero(rqh.reserved, 4 * 4 + 4);
  70         rq[0].fragAddress = (char*)&rqh;
  71         rq[0].fragSize = sizeof(rqh);
  72         rq[1].fragAddress = arg1;
  73         rq[1].fragSize = strlen(arg1) + 1;
  74         rq[2].fragAddress = arg2;
  75         rq[2].fragSize = arg2 ? (strlen(arg2) + 1) : 0;
  76         rqh.len = htons(rq[2].fragSize + rq[1].fragSize + sizeof(rqh) - 2);
  77         rp.fragAddress = (char*)&rph;
  78         rp.fragSize = sizeof(rph);
  79         error = NWRequest(cH, 131, 3, rq, 1, &rp);
  80         if (error) return error;
  81         if (rp.fragSize < 4) return EBADRPC;
  82         error = rph.rpccode;
  83         if (error) return error;
  84         if (rpcval) {
  85                 if (rp.fragSize < 24)
  86                         return EBADRPC;
  87                 *rpcval = rph.rpcval;
  88         }
  89         return 0;
  90 }
  91
  92 NWCCODE
  93 NWSMLoadNLM(NWCONN_HANDLE cH, pnstr8 cmd) {
  94         return ncp_rpc(cH, 1, NULL, cmd, NULL, NULL);
  95 }
  96
  97 NWCCODE
  98 NWSMUnloadNLM(NWCONN_HANDLE cH, pnstr8 cmd) {
  99         return ncp_rpc(cH, 2, NULL, cmd, NULL, NULL);
 100 }
 101
 102 NWCCODE
 103 NWSMMountVolume(NWCONN_HANDLE cH, pnstr8 volName, nuint32* volnum) {
 104         return ncp_rpc(cH, 3, NULL, volName, NULL, volnum);
 105 }
 106
 107 NWCCODE
 108 NWSMDismountVolumeByName(NWCONN_HANDLE cH, pnstr8 vol) {
 109         return ncp_rpc(cH, 4, NULL, vol, NULL, NULL);
 110 }
 111
 112 struct ncp_set_hdr {
 113         nuint32 typeFlag;       /* 0 - str, 1 - value */
 114         nuint32 value;
 115         nuint32 pad[20 - 4 - 4];
 116 } __attribute__ ((packed));
 117
 118 NWCCODE
 119 NWSMSetDynamicCmdIntValue(NWCONN_HANDLE cH, pnstr8 setCommandName, nuint32 cmdValue) {
 120         struct ncp_set_hdr rq;
 121
 122         memset(&rq, 0, sizeof(rq));
 123         rq.typeFlag = 1;
 124         rq.value = cmdValue;
 125         return ncp_rpc(cH, 6, (char*)&rq, setCommandName, NULL, NULL);
 126 }
 127
 128 NWCCODE
 129 NWSMSetDynamicCmdStrValue(NWCONN_HANDLE cH, pnstr8 setCommandName,
 130                 pnstr8 cmdValue) {
 131         return ncp_rpc(cH, 6, NULL, setCommandName, cmdValue, NULL);
 132 }
 133
 134 NWCCODE
 135 NWSMExecuteNCFFile(NWCONN_HANDLE cH, pnstr8 NCFFileName) {
 136         return ncp_rpc(cH, 7, NULL, NCFFileName, NULL, NULL);
 137 }