2 * Copyright (c) 1999, Boris Popov
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
32 * $FreeBSD: src/sys/netncp/ncp_mod.c,v 1.2 1999/10/12 10:36:59 bp Exp $
33 * $DragonFly: src/sys/netproto/ncp/ncp_mod.c,v 1.2 2003/06/17 04:28:53 dillon Exp $
35 #include <sys/param.h>
36 #include <sys/systm.h>
37 #include <sys/sysproto.h>
38 #include <sys/sysent.h>
40 #include <sys/kernel.h>
41 #include <sys/sysctl.h>
42 #include <sys/malloc.h>
45 #include <netncp/ncp.h>
46 #include <netncp/ncp_conn.h>
47 #include <netncp/ncp_subr.h>
48 #include <netncp/ncp_ncp.h>
49 #include <netncp/ncp_user.h>
50 #include <netncp/ncp_rq.h>
51 #include <netncp/ncp_nls.h>
53 int ncp_version = NCP_VERSION;
55 static int ncp_sysent;
57 SYSCTL_NODE(_net, OID_AUTO, ncp, CTLFLAG_RW, NULL, "NetWare requester");
58 SYSCTL_INT(_net_ncp, OID_AUTO, sysent, CTLFLAG_RD, &ncp_sysent, 0, "");
59 SYSCTL_INT(_net_ncp, OID_AUTO, version, CTLFLAG_RD, &ncp_version, 0, "");
62 ncp_conn_frag_rq(struct ncp_conn *conn, struct proc *p, struct ncp_conn_frag *nfp);
65 * Attach to NCP server
67 struct sncp_connect_args {
68 struct ncp_conn_args *li;
73 __P(sncp_connect(struct proc *p, struct sncp_connect_args *uap)){
74 int connHandle = 0, error;
75 struct ncp_conn *conn;
76 struct ncp_handle *handle;
77 struct ncp_conn_args li;
79 checkbad(copyin(uap->li,&li,sizeof(li)));
80 checkbad(copyout(&connHandle,uap->connHandle,sizeof(connHandle))); /* check before */
81 li.password = li.user = NULL;
82 error = ncp_conn_getattached(&li, p, p->p_ucred, NCPM_WRITE | NCPM_EXECUTE, &conn);
84 error = ncp_connect(&li, p, p->p_ucred, &conn);
87 error = ncp_conn_gethandle(conn, p, &handle);
88 copyout(&handle->nh_id, uap->connHandle, sizeof(uap->connHandle));
89 ncp_conn_unlock(conn,p);
96 struct sncp_request_args {
99 struct ncp_buf *ncpbuf;
102 static int ncp_conn_handler(struct proc *p, struct sncp_request_args *uap,
103 struct ncp_conn *conn, struct ncp_handle *handle);
106 __P(sncp_request(struct proc *p, struct sncp_request_args *uap)){
107 int error = 0, rqsize;
108 struct ncp_conn *conn;
109 struct ncp_handle *handle;
112 error = ncp_conn_findhandle(uap->connHandle,p,&handle);
113 if (error) return error;
114 conn = handle->nh_conn;
115 if (uap->fn == NCP_CONN)
116 return ncp_conn_handler(p, uap, conn, handle);
117 error = copyin(&uap->ncpbuf->rqsize, &rqsize, sizeof(int));
118 if (error) return(error);
119 error = ncp_conn_lock(conn,p,p->p_ucred,NCPM_EXECUTE);
120 if (error) return(error);
121 ncp_rq_head(rqp,NCP_REQUEST,uap->fn,p,p->p_ucred);
123 error = ncp_rq_usermem(rqp,(caddr_t)uap->ncpbuf->packet, rqsize);
125 error = ncp_request(conn, rqp);
126 if (error == 0 && rqp->rpsize)
127 ncp_rp_usermem(rqp, (caddr_t)uap->ncpbuf->packet,
129 copyout(&rqp->cs, &uap->ncpbuf->cs, sizeof(rqp->cs));
130 copyout(&rqp->cc, &uap->ncpbuf->cc, sizeof(rqp->cc));
131 copyout(&rqp->rpsize, &uap->ncpbuf->rpsize, sizeof(rqp->rpsize));
134 ncp_conn_unlock(conn,p);
139 ncp_conn_handler(struct proc *p, struct sncp_request_args *uap,
140 struct ncp_conn *conn, struct ncp_handle *hp)
142 int error=0, rqsize, subfn;
148 error = copyin(&uap->ncpbuf->rqsize, &rqsize, sizeof(int));
149 if (error) return(error);
151 pdata = uap->ncpbuf->packet;
152 subfn = *(pdata++) & 0xff;
155 case NCP_CONN_READ: case NCP_CONN_WRITE: {
160 if (rqsize != sizeof(rwrq)) return (EBADRPC);
161 error = copyin(pdata,&rwrq,rqsize);
162 if (error) return (error);
163 iov.iov_base = rwrq.nrw_base;
164 iov.iov_len = rwrq.nrw_cnt;
167 auio.uio_offset = rwrq.nrw_offset;
168 auio.uio_resid = rwrq.nrw_cnt;
169 auio.uio_segflg = UIO_USERSPACE;
170 auio.uio_rw = (subfn == NCP_CONN_READ) ? UIO_READ : UIO_WRITE;
172 error = ncp_conn_lock(conn,p,cred,NCPM_EXECUTE);
173 if (error) return(error);
174 if (subfn == NCP_CONN_READ)
175 error = ncp_read(conn, &rwrq.nrw_fh, &auio, cred);
177 error = ncp_write(conn, &rwrq.nrw_fh, &auio, cred);
178 rwrq.nrw_cnt -= auio.uio_resid;
179 ncp_conn_unlock(conn,p);
180 p->p_retval[0] = rwrq.nrw_cnt;
182 } /* case int_read/write */
183 case NCP_CONN_SETFLAGS: {
184 u_int16_t mask, flags;
186 error = copyin(pdata,&mask, sizeof(mask));
187 if (error) return error;
188 pdata += sizeof(mask);
189 error = copyin(pdata,&flags,sizeof(flags));
190 if (error) return error;
191 error = ncp_conn_lock(conn,p,cred,NCPM_WRITE);
192 if (error) return error;
193 if (mask & NCPFL_PERMANENT) {
194 conn->flags &= ~NCPFL_PERMANENT;
195 conn->flags |= (flags & NCPFL_PERMANENT);
197 if (mask & NCPFL_PRIMARY) {
198 error = ncp_conn_setprimary(conn, flags & NCPFL_PRIMARY);
200 ncp_conn_unlock(conn,p);
204 ncp_conn_unlock(conn,p);
207 case NCP_CONN_LOGIN: {
208 struct ncp_conn_login la;
210 if (rqsize != sizeof(la)) return (EBADRPC);
211 if ((error = copyin(pdata,&la,rqsize)) != 0) break;
212 error = ncp_conn_lock(conn, p, cred, NCPM_EXECUTE | NCPM_WRITE);
213 if (error) return error;
214 error = ncp_login(conn, la.username, la.objtype, la.password, p, p->p_ucred);
215 ncp_conn_unlock(conn, p);
216 p->p_retval[0] = error;
219 case NCP_CONN_GETINFO: {
220 struct ncp_conn_stat ncs;
221 int len = sizeof(ncs);
223 error = ncp_conn_lock(conn, p, p->p_ucred, NCPM_READ);
224 if (error) return error;
225 ncp_conn_getinfo(conn, &ncs);
226 copyout(&len, &uap->ncpbuf->rpsize, sizeof(int));
227 error = copyout(&ncs, &uap->ncpbuf->packet, len);
228 ncp_conn_unlock(conn, p);
231 case NCP_CONN_GETUSER: {
234 error = ncp_conn_lock(conn, p, p->p_ucred, NCPM_READ);
235 if (error) return error;
236 len = (conn->li.user) ? strlen(conn->li.user) + 1 : 0;
237 copyout(&len, &uap->ncpbuf->rpsize, sizeof(int));
239 error = copyout(conn->li.user, &uap->ncpbuf->packet, len);
241 ncp_conn_unlock(conn, p);
244 case NCP_CONN_CONN2REF: {
245 int len = sizeof(int);
247 error = ncp_conn_lock(conn, p, p->p_ucred, NCPM_READ);
248 if (error) return error;
249 copyout(&len, &uap->ncpbuf->rpsize, sizeof(int));
251 error = copyout(&conn->nc_id, &uap->ncpbuf->packet, len);
253 ncp_conn_unlock(conn, p);
256 case NCP_CONN_FRAG: {
257 struct ncp_conn_frag nf;
259 if (rqsize != sizeof(nf)) return (EBADRPC);
260 if ((error = copyin(pdata, &nf, rqsize)) != 0) break;
261 error = ncp_conn_lock(conn, p, cred, NCPM_EXECUTE);
262 if (error) return error;
263 error = ncp_conn_frag_rq(conn, p, &nf);
264 ncp_conn_unlock(conn, p);
265 copyout(&nf, &pdata, sizeof(nf));
266 p->p_retval[0] = error;
270 struct ncp_handle *newhp;
271 int len = sizeof(NWCONN_HANDLE);
273 error = ncp_conn_lock(conn, p, cred, NCPM_READ);
275 copyout(&len, &uap->ncpbuf->rpsize, len);
276 error = ncp_conn_gethandle(conn, p, &newhp);
278 error = copyout(&newhp->nh_id, uap->ncpbuf->packet, len);
279 ncp_conn_unlock(conn,p);
282 case NCP_CONN_CONNCLOSE: {
283 error = ncp_conn_lock(conn, p, cred, NCPM_EXECUTE);
285 ncp_conn_puthandle(hp, p, 0);
286 error = ncp_disconnect(conn);
288 ncp_conn_unlock(conn, p);
297 struct sncp_conn_scan_args {
298 struct ncp_conn_args *li;
303 __P(sncp_conn_scan(struct proc *p, struct sncp_conn_scan_args *uap)){
304 int connHandle = 0, error;
305 struct ncp_conn_args li, *lip;
306 struct ncp_conn *conn;
307 struct ncp_handle *hp;
308 char *user = NULL, *password = NULL;
311 if (copyin(uap->li,&li,sizeof(li))) return EFAULT;
318 lip->server[sizeof(lip->server)-1]=0; /* just to make sure */
319 ncp_str_upper(lip->server);
321 user = ncp_str_dup(lip->user);
322 if (user == NULL) return EINVAL;
326 password = ncp_str_dup(lip->password);
327 if (password == NULL) {
329 free(user, M_NCPDATA);
332 ncp_str_upper(password);
335 lip->password = password;
337 error = ncp_conn_getbyli(lip,p,p->p_ucred,NCPM_EXECUTE,&conn);
338 if (!error) { /* already have this login */
339 ncp_conn_gethandle(conn, p, &hp);
340 connHandle = hp->nh_id;
341 ncp_conn_unlock(conn,p);
342 copyout(&connHandle,uap->connHandle,sizeof(connHandle));
344 if (user) free(user, M_NCPDATA);
345 if (password) free(password, M_NCPDATA);
346 p->p_retval[0] = error;
352 ncp_conn_frag_rq(struct ncp_conn *conn, struct proc *p, struct ncp_conn_frag *nfp){
353 int error = 0, i, rpsize;
358 ncp_rq_head(rqp,NCP_REQUEST,nfp->fn,p,p->p_ucred);
360 for(fp = nfp->rqf, i = 0; i < nfp->rqfcnt; i++, fp++) {
361 checkbad(ncp_rq_usermem(rqp,(caddr_t)fp->fragAddress, fp->fragSize));
364 checkbad(ncp_request(conn, rqp));
365 rpsize = rqp->rpsize;
366 if (rpsize && nfp->rpfcnt) {
367 for(fp = nfp->rpf, i = 0; i < nfp->rpfcnt; i++, fp++) {
368 checkbad(copyin(&fp->fragSize, &fsize, sizeof (fsize)));
369 fsize = min(fsize, rpsize);
370 checkbad(ncp_rp_usermem(rqp,(caddr_t)fp->fragAddress, fsize));
372 checkbad(copyout(&fsize, &fp->fragSize, sizeof (fsize)));
382 * Internal functions, here should be all calls that do not require connection.
383 * To simplify possible future movement to cdev, we use IOCTL macros.
384 * Pretty much of this stolen from ioctl() function.
386 struct sncp_intfn_args {
392 sncp_intfn(struct proc *p, struct sncp_intfn_args *uap)
397 * define our new system calls
399 static struct sysent newent[] = {
400 {2, (sy_call_t*)sncp_conn_scan},
401 {2, (sy_call_t*)sncp_connect},
402 {2, (sy_call_t*)sncp_intfn},
403 {3, (sy_call_t*)sncp_request}
406 #define SC_SIZE sizeof(newent)/sizeof(struct sysent)
408 * Miscellaneous modules must have their own save areas...
410 static struct sysent oldent[SC_SIZE]; /* save are for old callslot entry*/
413 * Number of syscall entries for a.out executables
415 /*#define nsysent SYS_MAXSYSCALL*/
416 #define nsysent (aout_sysvec.sv_size)
421 int i, ff, scnt, err=0;
424 /* Search the table looking for an enough number of slots... */
425 for (scnt=0, ff = -1, i = 0; i < nsysent; i++) {
426 if (sysent[i].sy_call == (sy_call_t *)lkmnosys) {
432 if (scnt == SC_SIZE) break;
438 /* out of allocable slots?*/
439 if(i == nsysent || ff == -1) {
445 bcopy(&sysent[ff], &oldent, sizeof(struct sysent)*SC_SIZE);
446 bcopy(&newent, &sysent[ff], sizeof(struct sysent)*SC_SIZE);
447 ncp_sysent = ff; /* slot in sysent[]*/
448 printf("ncp_load: [%d-%d]\n",ff,i);
458 bcopy(&oldent, &sysent[ncp_sysent], sizeof(struct sysent) * SC_SIZE);
459 printf( "ncp_unload: unloaded\n");
464 ncp_mod_handler(module_t mod, int type, void *data)
473 error = ncp_unload();
481 static moduledata_t ncp_mod = {
486 DECLARE_MODULE(ncp, ncp_mod, SI_SUB_PROTO_DOMAIN, SI_ORDER_ANY);