freebsd-dev/lib/libncp/ncpl_rpc.c

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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.
* NetWare RPCs
*
* $FreeBSD$
*/
#include <sys/types.h>
#include <sys/time.h>
#include <errno.h>
#include <stdio.h>
#include <strings.h>
#include <netncp/ncp_lib.h>
struct ncp_rpc_rq {
nuint16 len; /* HL */
nuint8 subfn;
nuint32 reserved[4];
nuint8 flags[4];
} __attribute__ ((packed));
struct ncp_rpc_rp {
nuint32 rpccode;
nuint32 reserved[4];
nuint32 rpcval;
} __attribute__ ((packed));
static NWCCODE
ncp_rpc(NWCONN_HANDLE cH, int rpcfn,
const nuint8* rpcarg, char* arg1, char *arg2,
nuint32* rpcval) {
NWCCODE error;
NW_FRAGMENT rq[4], rp;
struct ncp_rpc_rq rqh;
struct ncp_rpc_rp rph;
rqh.subfn = rpcfn;
if (rpcarg)
bcopy(rpcarg, rqh.reserved, 4 * 4 + 4);
else
bzero(rqh.reserved, 4 * 4 + 4);
rq[0].fragAddress = (char*)&rqh;
rq[0].fragSize = sizeof(rqh);
rq[1].fragAddress = arg1;
rq[1].fragSize = strlen(arg1) + 1;
rq[2].fragAddress = arg2;
rq[2].fragSize = arg2 ? (strlen(arg2) + 1) : 0;
rqh.len = htons(rq[2].fragSize + rq[1].fragSize + sizeof(rqh) - 2);
rp.fragAddress = (char*)&rph;
rp.fragSize = sizeof(rph);
error = NWRequest(cH, 131, 3, rq, 1, &rp);
if (error) return error;
if (rp.fragSize < 4) return EBADRPC;
error = rph.rpccode;
if (error) return error;
if (rpcval) {
if (rp.fragSize < 24)
return EBADRPC;
*rpcval = rph.rpcval;
}
return 0;
}
NWCCODE
NWSMLoadNLM(NWCONN_HANDLE cH, pnstr8 cmd) {
return ncp_rpc(cH, 1, NULL, cmd, NULL, NULL);
}
NWCCODE
NWSMUnloadNLM(NWCONN_HANDLE cH, pnstr8 cmd) {
return ncp_rpc(cH, 2, NULL, cmd, NULL, NULL);
}
NWCCODE
NWSMMountVolume(NWCONN_HANDLE cH, pnstr8 volName, nuint32* volnum) {
return ncp_rpc(cH, 3, NULL, volName, NULL, volnum);
}
NWCCODE
NWSMDismountVolumeByName(NWCONN_HANDLE cH, pnstr8 vol) {
return ncp_rpc(cH, 4, NULL, vol, NULL, NULL);
}
struct ncp_set_hdr {
nuint32 typeFlag; /* 0 - str, 1 - value */
nuint32 value;
nuint32 pad[20 - 4 - 4];
} __attribute__ ((packed));
NWCCODE
NWSMSetDynamicCmdIntValue(NWCONN_HANDLE cH, pnstr8 setCommandName, nuint32 cmdValue) {
struct ncp_set_hdr rq;
memset(&rq, 0, sizeof(rq));
rq.typeFlag = 1;
rq.value = cmdValue;
return ncp_rpc(cH, 6, (char*)&rq, setCommandName, NULL, NULL);
}
NWCCODE
NWSMSetDynamicCmdStrValue(NWCONN_HANDLE cH, pnstr8 setCommandName,
pnstr8 cmdValue) {
return ncp_rpc(cH, 6, NULL, setCommandName, cmdValue, NULL);
}
NWCCODE
NWSMExecuteNCFFile(NWCONN_HANDLE cH, pnstr8 NCFFileName) {
return ncp_rpc(cH, 7, NULL, NCFFileName, NULL, NULL);
}