ncpl_rpc.c revision 52153 
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: head/lib/libncp/ncpl_rpc.c 52153 1999-10-12 11:56:41Z bp $
34 */
35#include <sys/types.h>
36#include <sys/time.h>
37#include <errno.h>
38#include <stdio.h>
39#include <strings.h>
40#include <netncp/ncp_lib.h>
41
42struct ncp_rpc_rq {
43	nuint16		len;	/* HL */
44	nuint8		subfn;
45	nuint32		reserved[4];
46	nuint8		flags[4];
47} __attribute__ ((packed));
48
49struct ncp_rpc_rp {
50	nuint32		rpccode;
51	nuint32		reserved[4];
52	nuint32		rpcval;
53} __attribute__ ((packed));
54
55static NWCCODE
56ncp_rpc(NWCONN_HANDLE cH, int rpcfn,
57	const nuint8* rpcarg, char* arg1, char *arg2,
58	nuint32* rpcval) {
59	NWCCODE error;
60	NW_FRAGMENT rq[4], rp;
61	struct ncp_rpc_rq rqh;
62	struct ncp_rpc_rp rph;
63
64	rqh.subfn = rpcfn;
65	if (rpcarg)
66		bcopy(rpcarg, rqh.reserved, 4 * 4 + 4);
67	else
68		bzero(rqh.reserved, 4 * 4 + 4);
69	rq[0].fragAddress = (char*)&rqh;
70	rq[0].fragSize = sizeof(rqh);
71	rq[1].fragAddress = arg1;
72	rq[1].fragSize = strlen(arg1) + 1;
73	rq[2].fragAddress = arg2;
74	rq[2].fragSize = arg2 ? (strlen(arg2) + 1) : 0;
75	rqh.len = htons(rq[2].fragSize + rq[1].fragSize + sizeof(rqh) - 2);
76	rp.fragAddress = (char*)&rph;
77	rp.fragSize = sizeof(rph);
78	error = NWRequest(cH, 131, 3, rq, 1, &rp);
79	if (error) return error;
80	if (rp.fragSize < 4) return EBADRPC;
81	error = rph.rpccode;
82	if (error) return error;
83	if (rpcval) {
84		if (rp.fragSize < 24)
85			return EBADRPC;
86		*rpcval = rph.rpcval;
87	}
88	return 0;
89}
90
91NWCCODE
92NWSMLoadNLM(NWCONN_HANDLE cH, pnstr8 cmd) {
93	return ncp_rpc(cH, 1, NULL, cmd, NULL, NULL);
94}
95
96NWCCODE
97NWSMUnloadNLM(NWCONN_HANDLE cH, pnstr8 cmd) {
98	return ncp_rpc(cH, 2, NULL, cmd, NULL, NULL);
99}
100
101NWCCODE
102NWSMMountVolume(NWCONN_HANDLE cH, pnstr8 volName, nuint32* volnum) {
103	return ncp_rpc(cH, 3, NULL, volName, NULL, volnum);
104}
105
106NWCCODE
107NWSMDismountVolumeByName(NWCONN_HANDLE cH, pnstr8 vol) {
108	return ncp_rpc(cH, 4, NULL, vol, NULL, NULL);
109}
110
111struct ncp_set_hdr {
112	nuint32	typeFlag;	/* 0 - str, 1 - value */
113	nuint32	value;
114	nuint32	pad[20 - 4 - 4];
115} __attribute__ ((packed));
116
117NWCCODE
118NWSMSetDynamicCmdIntValue(NWCONN_HANDLE cH, pnstr8 setCommandName, nuint32 cmdValue) {
119	struct ncp_set_hdr rq;
120
121	memset(&rq, 0, sizeof(rq));
122	rq.typeFlag = 1;
123	rq.value = cmdValue;
124	return ncp_rpc(cH, 6, (char*)&rq, setCommandName, NULL, NULL);
125}
126
127NWCCODE
128NWSMSetDynamicCmdStrValue(NWCONN_HANDLE cH, pnstr8 setCommandName,
129		pnstr8 cmdValue) {
130	return ncp_rpc(cH, 6, NULL, setCommandName, cmdValue, NULL);
131}
132
133NWCCODE
134NWSMExecuteNCFFile(NWCONN_HANDLE cH, pnstr8 NCFFileName) {
135	return ncp_rpc(cH, 7, NULL, NCFFileName, NULL, NULL);
136}
137