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 1.8 2003/11/20 06:05:31 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>
44 #include <sys/msgport.h>
54 int ncp_version = NCP_VERSION;
56 static int ncp_sysent;
58 SYSCTL_NODE(_net, OID_AUTO, ncp, CTLFLAG_RW, NULL, "NetWare requester");
59 SYSCTL_INT(_net_ncp, OID_AUTO, sysent, CTLFLAG_RD, &ncp_sysent, 0, "");
60 SYSCTL_INT(_net_ncp, OID_AUTO, version, CTLFLAG_RD, &ncp_version, 0, "");
63 ncp_conn_frag_rq(struct ncp_conn *conn, struct thread *td, struct ncp_conn_frag *nfp);
66 * Attach to NCP server
68 struct sncp_connect_args {
70 struct ncp_conn_args *li;
75 sncp_connect(struct sncp_connect_args *uap)
77 struct thread *td = curthread;
78 int connHandle = 0, error;
79 struct ncp_conn *conn;
80 struct ncp_handle *handle;
81 struct ncp_conn_args li;
84 KKASSERT(td->td_proc);
85 cred = td->td_proc->p_ucred;
87 checkbad(copyin(uap->li,&li,sizeof(li)));
88 checkbad(copyout(&connHandle,uap->connHandle,sizeof(connHandle))); /* check before */
89 li.password = li.user = NULL;
90 error = ncp_conn_getattached(&li, td, cred, NCPM_WRITE | NCPM_EXECUTE, &conn);
92 error = ncp_connect(&li, td, cred, &conn);
95 error = ncp_conn_gethandle(conn, td, &handle);
96 copyout(&handle->nh_id, uap->connHandle, sizeof(uap->connHandle));
97 ncp_conn_unlock(conn,td);
100 uap->sysmsg_result = error;
104 struct sncp_request_args {
105 struct sysmsg sysmsg;
108 struct ncp_buf *ncpbuf;
111 static int ncp_conn_handler(struct thread *td, struct sncp_request_args *uap,
112 struct ncp_conn *conn, struct ncp_handle *handle);
115 sncp_request(struct sncp_request_args *uap)
117 struct thread *td = curthread;
118 int error = 0, rqsize;
119 struct ncp_conn *conn;
120 struct ncp_handle *handle;
125 KKASSERT(td->td_proc);
126 cred = td->td_proc->p_ucred;
128 error = ncp_conn_findhandle(uap->connHandle,td,&handle);
129 if (error) return error;
130 conn = handle->nh_conn;
131 if (uap->fn == NCP_CONN)
132 return ncp_conn_handler(td, uap, conn, handle);
133 error = copyin(&uap->ncpbuf->rqsize, &rqsize, sizeof(int));
134 if (error) return(error);
135 error = ncp_conn_lock(conn,td,cred,NCPM_EXECUTE);
136 if (error) return(error);
137 ncp_rq_head(rqp,NCP_REQUEST,uap->fn,td,cred);
139 error = ncp_rq_usermem(rqp,(caddr_t)uap->ncpbuf->packet, rqsize);
141 error = ncp_request(conn, rqp);
142 if (error == 0 && rqp->rpsize)
143 ncp_rp_usermem(rqp, (caddr_t)uap->ncpbuf->packet,
145 copyout(&rqp->cs, &uap->ncpbuf->cs, sizeof(rqp->cs));
146 copyout(&rqp->cc, &uap->ncpbuf->cc, sizeof(rqp->cc));
147 copyout(&rqp->rpsize, &uap->ncpbuf->rpsize, sizeof(rqp->rpsize));
150 ncp_conn_unlock(conn,td);
155 ncp_conn_handler(struct thread *td, struct sncp_request_args *uap,
156 struct ncp_conn *conn, struct ncp_handle *hp)
158 int error=0, rqsize, subfn;
163 KKASSERT(td->td_proc);
164 cred = td->td_proc->p_ucred;
166 error = copyin(&uap->ncpbuf->rqsize, &rqsize, sizeof(int));
167 if (error) return(error);
169 pdata = uap->ncpbuf->packet;
170 subfn = *(pdata++) & 0xff;
173 case NCP_CONN_READ: case NCP_CONN_WRITE: {
178 if (rqsize != sizeof(rwrq)) return (EBADRPC);
179 error = copyin(pdata,&rwrq,rqsize);
180 if (error) return (error);
181 iov.iov_base = rwrq.nrw_base;
182 iov.iov_len = rwrq.nrw_cnt;
185 auio.uio_offset = rwrq.nrw_offset;
186 auio.uio_resid = rwrq.nrw_cnt;
187 auio.uio_segflg = UIO_USERSPACE;
188 auio.uio_rw = (subfn == NCP_CONN_READ) ? UIO_READ : UIO_WRITE;
190 error = ncp_conn_lock(conn,td,cred,NCPM_EXECUTE);
191 if (error) return(error);
192 if (subfn == NCP_CONN_READ)
193 error = ncp_read(conn, &rwrq.nrw_fh, &auio, cred);
195 error = ncp_write(conn, &rwrq.nrw_fh, &auio, cred);
196 rwrq.nrw_cnt -= auio.uio_resid;
197 ncp_conn_unlock(conn,td);
198 uap->sysmsg_result = rwrq.nrw_cnt;
200 } /* case int_read/write */
201 case NCP_CONN_SETFLAGS: {
202 u_int16_t mask, flags;
204 error = copyin(pdata,&mask, sizeof(mask));
205 if (error) return error;
206 pdata += sizeof(mask);
207 error = copyin(pdata,&flags,sizeof(flags));
208 if (error) return error;
209 error = ncp_conn_lock(conn,td,cred,NCPM_WRITE);
210 if (error) return error;
211 if (mask & NCPFL_PERMANENT) {
212 conn->flags &= ~NCPFL_PERMANENT;
213 conn->flags |= (flags & NCPFL_PERMANENT);
215 if (mask & NCPFL_PRIMARY) {
216 error = ncp_conn_setprimary(conn, flags & NCPFL_PRIMARY);
218 ncp_conn_unlock(conn,td);
222 ncp_conn_unlock(conn,td);
225 case NCP_CONN_LOGIN: {
226 struct ncp_conn_login la;
228 if (rqsize != sizeof(la)) return (EBADRPC);
229 if ((error = copyin(pdata,&la,rqsize)) != 0) break;
230 error = ncp_conn_lock(conn, td, cred, NCPM_EXECUTE | NCPM_WRITE);
231 if (error) return error;
232 error = ncp_login(conn, la.username, la.objtype, la.password, td, cred);
233 ncp_conn_unlock(conn, td);
234 uap->sysmsg_result = error;
237 case NCP_CONN_GETINFO: {
238 struct ncp_conn_stat ncs;
239 int len = sizeof(ncs);
241 error = ncp_conn_lock(conn, td, cred, NCPM_READ);
242 if (error) return error;
243 ncp_conn_getinfo(conn, &ncs);
244 copyout(&len, &uap->ncpbuf->rpsize, sizeof(int));
245 error = copyout(&ncs, &uap->ncpbuf->packet, len);
246 ncp_conn_unlock(conn, td);
249 case NCP_CONN_GETUSER: {
252 error = ncp_conn_lock(conn, td, cred, NCPM_READ);
253 if (error) return error;
254 len = (conn->li.user) ? strlen(conn->li.user) + 1 : 0;
255 copyout(&len, &uap->ncpbuf->rpsize, sizeof(int));
257 error = copyout(conn->li.user, &uap->ncpbuf->packet, len);
259 ncp_conn_unlock(conn, td);
262 case NCP_CONN_CONN2REF: {
263 int len = sizeof(int);
265 error = ncp_conn_lock(conn, td, cred, NCPM_READ);
266 if (error) return error;
267 copyout(&len, &uap->ncpbuf->rpsize, sizeof(int));
269 error = copyout(&conn->nc_id, &uap->ncpbuf->packet, len);
271 ncp_conn_unlock(conn, td);
274 case NCP_CONN_FRAG: {
275 struct ncp_conn_frag nf;
277 if (rqsize != sizeof(nf)) return (EBADRPC);
278 if ((error = copyin(pdata, &nf, rqsize)) != 0) break;
279 error = ncp_conn_lock(conn, td, cred, NCPM_EXECUTE);
280 if (error) return error;
281 error = ncp_conn_frag_rq(conn, td, &nf);
282 ncp_conn_unlock(conn, td);
283 copyout(&nf, &pdata, sizeof(nf));
284 uap->sysmsg_result = error;
288 struct ncp_handle *newhp;
289 int len = sizeof(NWCONN_HANDLE);
291 error = ncp_conn_lock(conn, td, cred, NCPM_READ);
293 copyout(&len, &uap->ncpbuf->rpsize, len);
294 error = ncp_conn_gethandle(conn, td, &newhp);
296 error = copyout(&newhp->nh_id, uap->ncpbuf->packet, len);
297 ncp_conn_unlock(conn,td);
300 case NCP_CONN_CONNCLOSE: {
301 error = ncp_conn_lock(conn, td, cred, NCPM_EXECUTE);
303 ncp_conn_puthandle(hp, td, 0);
304 error = ncp_disconnect(conn);
306 ncp_conn_unlock(conn, td);
315 struct sncp_conn_scan_args {
316 struct sysmsg sysmsg;
317 struct ncp_conn_args *li;
322 sncp_conn_scan(struct thread *td, struct sncp_conn_scan_args *uap)
324 int connHandle = 0, error;
325 struct ncp_conn_args li, *lip;
326 struct ncp_conn *conn;
327 struct ncp_handle *hp;
328 char *user = NULL, *password = NULL;
331 KKASSERT(td->td_proc);
332 cred = td->td_proc->p_ucred;
335 if (copyin(uap->li,&li,sizeof(li))) return EFAULT;
342 lip->server[sizeof(lip->server)-1]=0; /* just to make sure */
343 ncp_str_upper(lip->server);
345 user = ncp_str_dup(lip->user);
346 if (user == NULL) return EINVAL;
350 password = ncp_str_dup(lip->password);
351 if (password == NULL) {
353 free(user, M_NCPDATA);
356 ncp_str_upper(password);
359 lip->password = password;
361 error = ncp_conn_getbyli(lip,td,cred,NCPM_EXECUTE,&conn);
362 if (!error) { /* already have this login */
363 ncp_conn_gethandle(conn, td, &hp);
364 connHandle = hp->nh_id;
365 ncp_conn_unlock(conn,td);
366 copyout(&connHandle,uap->connHandle,sizeof(connHandle));
368 if (user) free(user, M_NCPDATA);
369 if (password) free(password, M_NCPDATA);
370 uap->sysmsg_result = error;
376 ncp_conn_frag_rq(struct ncp_conn *conn, struct thread *td, struct ncp_conn_frag *nfp){
377 int error = 0, i, rpsize;
383 KKASSERT(td->td_proc);
384 cred = td->td_proc->p_ucred;
386 ncp_rq_head(rqp,NCP_REQUEST,nfp->fn,td,cred);
388 for(fp = nfp->rqf, i = 0; i < nfp->rqfcnt; i++, fp++) {
389 checkbad(ncp_rq_usermem(rqp,(caddr_t)fp->fragAddress, fp->fragSize));
392 checkbad(ncp_request(conn, rqp));
393 rpsize = rqp->rpsize;
394 if (rpsize && nfp->rpfcnt) {
395 for(fp = nfp->rpf, i = 0; i < nfp->rpfcnt; i++, fp++) {
396 checkbad(copyin(&fp->fragSize, &fsize, sizeof (fsize)));
397 fsize = min(fsize, rpsize);
398 checkbad(ncp_rp_usermem(rqp,(caddr_t)fp->fragAddress, fsize));
400 checkbad(copyout(&fsize, &fp->fragSize, sizeof (fsize)));
410 * Internal functions, here should be all calls that do not require connection.
411 * To simplify possible future movement to cdev, we use IOCTL macros.
412 * Pretty much of this stolen from ioctl() function.
414 struct sncp_intfn_args {
415 struct sysmsg sysmsg;
421 sncp_intfn(struct sncp_intfn_args *uap)
426 * define our new system calls
428 static struct sysent newent[] = {
429 {2, (sy_call_t*)sncp_conn_scan},
430 {2, (sy_call_t*)sncp_connect},
431 {2, (sy_call_t*)sncp_intfn},
432 {3, (sy_call_t*)sncp_request}
435 #define SC_SIZE sizeof(newent)/sizeof(struct sysent)
437 * Miscellaneous modules must have their own save areas...
439 static struct sysent oldent[SC_SIZE]; /* save are for old callslot entry*/
442 * Number of syscall entries for a.out executables
444 /*#define nsysent SYS_MAXSYSCALL*/
445 #define nsysent (aout_sysvec.sv_size)
450 int i, ff, scnt, err=0;
453 /* Search the table looking for an enough number of slots... */
454 for (scnt=0, ff = -1, i = 0; i < nsysent; i++) {
455 if (sysent[i].sy_call == (sy_call_t *)lkmnosys) {
461 if (scnt == SC_SIZE) break;
467 /* out of allocable slots?*/
468 if(i == nsysent || ff == -1) {
474 bcopy(&sysent[ff], &oldent, sizeof(struct sysent)*SC_SIZE);
475 bcopy(&newent, &sysent[ff], sizeof(struct sysent)*SC_SIZE);
476 ncp_sysent = ff; /* slot in sysent[]*/
477 printf("ncp_load: [%d-%d]\n",ff,i);
487 bcopy(&oldent, &sysent[ncp_sysent], sizeof(struct sysent) * SC_SIZE);
488 printf( "ncp_unload: unloaded\n");
493 ncp_mod_handler(module_t mod, int type, void *data)
502 error = ncp_unload();
510 static moduledata_t ncp_mod = {
515 DECLARE_MODULE(ncp, ncp_mod, SI_SUB_PROTO_DOMAIN, SI_ORDER_ANY);