3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21 /*
22 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
23 * Copyright 2015 Nexenta Systems, Inc. All rights reserved.
24 */
25
26 /*
27 * This module provides the interface to NDR RPC.
28 */
29
30 #include <sys/stat.h>
31 #include <sys/uio.h>
32 #include <sys/ksynch.h>
33 #include <sys/stropts.h>
34 #include <sys/socket.h>
35 #include <sys/filio.h>
36 #include <smbsrv/smb_kproto.h>
37 #include <smbsrv/smb_xdr.h>
38 #include <smbsrv/winioctl.h>
39
40 static uint32_t smb_opipe_transceive(smb_request_t *, smb_fsctl_t *);
41
42 /*
43 * Allocate a new opipe and return it, or NULL, in which case
44 * the caller will report "internal error".
45 */
46 static smb_opipe_t *
47 smb_opipe_alloc(smb_request_t *sr)
48 {
49 smb_server_t *sv = sr->sr_server;
50 smb_opipe_t *opipe;
51 ksocket_t sock;
52
53 if (ksocket_socket(&sock, AF_UNIX, SOCK_STREAM, 0,
54 KSOCKET_SLEEP, sr->user_cr) != 0)
55 return (NULL);
56
57 opipe = kmem_cache_alloc(smb_cache_opipe, KM_SLEEP);
58
59 bzero(opipe, sizeof (smb_opipe_t));
60 mutex_init(&opipe->p_mutex, NULL, MUTEX_DEFAULT, NULL);
61 cv_init(&opipe->p_cv, NULL, CV_DEFAULT, NULL);
80
81 SMB_OPIPE_VALID(opipe);
82 sv = opipe->p_server;
83 SMB_SERVER_VALID(sv);
84
85 /*
86 * This is called in the error path when opening,
87 * in which case we close the socket here.
88 */
89 if (opipe->p_socket != NULL)
90 (void) ksocket_close(opipe->p_socket, zone_kcred());
91
92 opipe->p_magic = (uint32_t)~SMB_OPIPE_MAGIC;
93 cv_destroy(&opipe->p_cv);
94 mutex_destroy(&opipe->p_mutex);
95
96 kmem_cache_free(smb_cache_opipe, opipe);
97 }
98
99 /*
100 * Helper for open: build pipe name and connect.
101 */
102 static int
103 smb_opipe_connect(smb_request_t *sr, smb_opipe_t *opipe)
104 {
105 struct sockaddr_un saddr;
106 smb_arg_open_t *op = &sr->sr_open;
107 const char *name;
108 int rc;
109
110 name = op->fqi.fq_path.pn_path;
111 name += strspn(name, "\\");
112 if (smb_strcasecmp(name, "PIPE", 4) == 0) {
113 name += 4;
114 name += strspn(name, "\\");
115 }
116 (void) strlcpy(opipe->p_name, name, SMB_OPIPE_MAXNAME);
117 (void) smb_strlwr(opipe->p_name);
118
119 bzero(&saddr, sizeof (saddr));
150 int rc;
151
152 /*
153 * Any errors building the XDR message etc.
154 */
155 errp->status = NT_STATUS_INTERNAL_ERROR;
156
157 smb_user_netinfo_init(sr->uid_user, &nui);
158 phdr.ph_magic = SMB_PIPE_HDR_MAGIC;
159 phdr.ph_uilen = xdr_sizeof(smb_netuserinfo_xdr, &nui);
160
161 buflen = sizeof (phdr) + phdr.ph_uilen;
162 buf = kmem_alloc(buflen, KM_SLEEP);
163
164 bcopy(&phdr, buf, sizeof (phdr));
165 xdrmem_create(&xdrs, buf + sizeof (phdr),
166 buflen - (sizeof (phdr)), XDR_ENCODE);
167 if (!smb_netuserinfo_xdr(&xdrs, &nui))
168 goto out;
169
170 /*
171 * If we fail sending the netuserinfo or recv'ing the
172 * status reponse, we have probably run into the limit
173 * on the number of open pipes. That's this status:
174 */
175 errp->status = NT_STATUS_PIPE_NOT_AVAILABLE;
176
177 rc = ksocket_send(opipe->p_socket, buf, buflen, 0,
178 &iocnt, sr->user_cr);
179 if (rc == 0 && iocnt != buflen)
180 rc = EIO;
181 if (rc != 0)
182 goto out;
183
184 rc = ksocket_recv(opipe->p_socket, &status, sizeof (status), 0,
185 &iocnt, sr->user_cr);
186 if (rc != 0 || iocnt != sizeof (status))
187 goto out;
188
189 /*
190 * Return the status we read from the pipe service,
191 * normally NT_STATUS_SUCCESS, but could be something
192 * else like NT_STATUS_ACCESS_DENIED.
193 */
194 errp->status = status;
195
196 out:
197 xdr_destroy(&xdrs);
198 kmem_free(buf, buflen);
199 smb_user_netinfo_fini(&nui);
200 }
201
202 /*
203 * smb_opipe_open
204 *
205 * Open an RPC named pipe. This routine should be called if
206 * a file open is requested on a share of type STYPE_IPC.
207 * If we recognize the pipe, we setup a new ofile.
208 *
209 * Returns 0 on success, Otherwise an NT status code.
210 */
211 int
212 smb_opipe_open(smb_request_t *sr, uint32_t uniqid)
213 {
214 smb_arg_open_t *op = &sr->sr_open;
215 smb_ofile_t *ofile;
216 smb_opipe_t *opipe;
217 smb_error_t err;
218
219 opipe = smb_opipe_alloc(sr);
220 if (opipe == NULL)
221 return (NT_STATUS_INTERNAL_ERROR);
222
223 if (smb_opipe_connect(sr, opipe) != 0) {
224 smb_opipe_dealloc(opipe);
225 return (NT_STATUS_OBJECT_NAME_NOT_FOUND);
226 }
227
228 smb_opipe_send_userinfo(sr, opipe, &err);
229 if (err.status != 0) {
230 smb_opipe_dealloc(opipe);
231 return (err.status);
232 }
233
234 /*
235 * Note: If smb_ofile_open succeeds, the new ofile is
236 * in the FID lists can can be used by I/O requests.
237 */
238 op->create_options = 0;
239 op->pipe = opipe;
240 ofile = smb_ofile_open(sr, NULL, op,
241 SMB_FTYPE_MESG_PIPE, uniqid, &err);
242 op->pipe = NULL;
243 if (ofile == NULL) {
244 smb_opipe_dealloc(opipe);
245 return (err.status);
246 }
247
248 /* An "up" pointer, for debug. */
249 opipe->p_ofile = ofile;
250
251 op->dsize = 0x01000;
252 op->dattr = FILE_ATTRIBUTE_NORMAL;
253 op->ftype = SMB_FTYPE_MESG_PIPE;
254 op->action_taken = SMB_OACT_LOCK | SMB_OACT_OPENED; /* 0x8001 */
255 op->devstate = SMB_PIPE_READMODE_MESSAGE
256 | SMB_PIPE_TYPE_MESSAGE
257 | SMB_PIPE_UNLIMITED_INSTANCES; /* 0x05ff */
258 op->fileid = ofile->f_fid;
259
260 sr->smb_fid = ofile->f_fid;
261 sr->fid_ofile = ofile;
262
263 return (NT_STATUS_SUCCESS);
264 }
265
266 /*
267 * smb_opipe_close
268 *
269 * Called by smb_ofile_close for pipes.
270 *
271 * Note: ksocket_close may block while waiting for
272 * any I/O threads with a hold to get out.
273 */
274 void
275 smb_opipe_close(smb_ofile_t *of)
276 {
277 smb_opipe_t *opipe;
278 ksocket_t sock;
355 struct nmsghdr msghdr;
356 smb_ofile_t *ofile;
357 smb_opipe_t *opipe;
358 ksocket_t sock;
359 size_t recvcnt = 0;
360 int rc;
361
362 ofile = sr->fid_ofile;
363 ASSERT(ofile->f_ftype == SMB_FTYPE_MESG_PIPE);
364 opipe = ofile->f_pipe;
365 SMB_OPIPE_VALID(opipe);
366
367 mutex_enter(&opipe->p_mutex);
368 sock = opipe->p_socket;
369 if (sock != NULL)
370 ksocket_hold(sock);
371 mutex_exit(&opipe->p_mutex);
372 if (sock == NULL)
373 return (EBADF);
374
375 bzero(&msghdr, sizeof (msghdr));
376 msghdr.msg_iov = uio->uio_iov;
377 msghdr.msg_iovlen = uio->uio_iovcnt;
378
379 /*
380 * This should block only if there's no data.
381 * A single call to recvmsg does just that.
382 * (Intentionaly no recv loop here.)
383 */
384 rc = ksocket_recvmsg(sock, &msghdr, 0,
385 &recvcnt, ofile->f_cr);
386 if (rc != 0)
387 goto out;
388
389 if (recvcnt == 0) {
390 /* Other side closed. */
391 rc = EPIPE;
392 goto out;
393 }
394 uio->uio_resid -= recvcnt;
395
396 out:
397 ksocket_rele(sock);
398
399 return (rc);
400 }
401
402 int
403 smb_opipe_ioctl(smb_request_t *sr, int cmd, void *arg, int *rvalp)
404 {
405 smb_ofile_t *ofile;
423 rc = ksocket_ioctl(sock, cmd, (intptr_t)arg, rvalp, ofile->f_cr);
424
425 ksocket_rele(sock);
426
427 return (rc);
428 }
429
430 /*
431 * Get the smb_attr_t for a named pipe.
432 * Caller has already cleared to zero.
433 */
434 int
435 smb_opipe_getattr(smb_ofile_t *of, smb_attr_t *ap)
436 {
437
438 if (of->f_pipe == NULL)
439 return (EINVAL);
440
441 ap->sa_vattr.va_type = VFIFO;
442 ap->sa_vattr.va_nlink = 1;
443 ap->sa_dosattr = FILE_ATTRIBUTE_NORMAL;
444 ap->sa_allocsz = 0x1000LL;
445
446 return (0);
447 }
448
449 int
450 smb_opipe_getname(smb_ofile_t *of, char *buf, size_t buflen)
451 {
452 smb_opipe_t *opipe;
453
454 if ((opipe = of->f_pipe) == NULL)
455 return (EINVAL);
456
457 (void) snprintf(buf, buflen, "\\%s", opipe->p_name);
458 return (0);
459 }
460
461 /*
462 * Handler for smb2_ioctl
463 */
464 /* ARGSUSED */
465 uint32_t
466 smb_opipe_fsctl(smb_request_t *sr, smb_fsctl_t *fsctl)
467 {
468 uint32_t status;
469
470 switch (fsctl->CtlCode) {
471 case FSCTL_PIPE_TRANSCEIVE:
472 status = smb_opipe_transceive(sr, fsctl);
473 break;
474
475 case FSCTL_PIPE_PEEK:
476 case FSCTL_PIPE_WAIT:
477 /* XXX todo */
478 status = NT_STATUS_NOT_SUPPORTED;
479 break;
480
481 default:
482 ASSERT(!"CtlCode");
483 status = NT_STATUS_INTERNAL_ERROR;
484 break;
485 }
486
487 return (status);
488 }
489
490 static uint32_t
491 smb_opipe_transceive(smb_request_t *sr, smb_fsctl_t *fsctl)
492 {
493 smb_vdb_t vdb;
494 smb_ofile_t *ofile;
495 struct mbuf *mb;
496 uint32_t status;
497 int len, rc;
498
499 /*
500 * Caller checked that this is the IPC$ share,
501 * and that this call has a valid open handle.
502 * Just check the type.
503 */
504 ofile = sr->fid_ofile;
505 if (ofile->f_ftype != SMB_FTYPE_MESG_PIPE)
506 return (NT_STATUS_INVALID_HANDLE);
507
508 rc = smb_mbc_decodef(fsctl->in_mbc, "#B",
509 fsctl->InputCount, &vdb);
510 if (rc != 0) {
|
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21 /*
22 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
23 * Copyright 2018 Nexenta Systems, Inc. All rights reserved.
24 */
25
26 /*
27 * This module provides the interface to NDR RPC.
28 */
29
30 #include <sys/stat.h>
31 #include <sys/uio.h>
32 #include <sys/ksynch.h>
33 #include <sys/stropts.h>
34 #include <sys/socket.h>
35 #include <sys/filio.h>
36 #include <smbsrv/smb_kproto.h>
37 #include <smbsrv/smb_xdr.h>
38 #include <smb/winioctl.h>
39
40 /*
41 * Allocate a new opipe and return it, or NULL, in which case
42 * the caller will report "internal error".
43 */
44 static smb_opipe_t *
45 smb_opipe_alloc(smb_request_t *sr)
46 {
47 smb_server_t *sv = sr->sr_server;
48 smb_opipe_t *opipe;
49 ksocket_t sock;
50
51 if (ksocket_socket(&sock, AF_UNIX, SOCK_STREAM, 0,
52 KSOCKET_SLEEP, sr->user_cr) != 0)
53 return (NULL);
54
55 opipe = kmem_cache_alloc(smb_cache_opipe, KM_SLEEP);
56
57 bzero(opipe, sizeof (smb_opipe_t));
58 mutex_init(&opipe->p_mutex, NULL, MUTEX_DEFAULT, NULL);
59 cv_init(&opipe->p_cv, NULL, CV_DEFAULT, NULL);
78
79 SMB_OPIPE_VALID(opipe);
80 sv = opipe->p_server;
81 SMB_SERVER_VALID(sv);
82
83 /*
84 * This is called in the error path when opening,
85 * in which case we close the socket here.
86 */
87 if (opipe->p_socket != NULL)
88 (void) ksocket_close(opipe->p_socket, zone_kcred());
89
90 opipe->p_magic = (uint32_t)~SMB_OPIPE_MAGIC;
91 cv_destroy(&opipe->p_cv);
92 mutex_destroy(&opipe->p_mutex);
93
94 kmem_cache_free(smb_cache_opipe, opipe);
95 }
96
97 /*
98 * Unblock a request that might be blocked reading some
99 * pipe (AF_UNIX socket). We don't have an easy way to
100 * interrupt just the thread servicing this request, so
101 * we shutdown(3socket) the socket, waking all readers.
102 * That's a bit heavy-handed, making the socket unusable
103 * after this, so we do this only when disconnecting a
104 * session (i.e. stopping the SMB service), and not when
105 * handling an SMB2_cancel or SMB_nt_cancel request.
106 */
107 static void
108 smb_opipe_cancel(smb_request_t *sr)
109 {
110 ksocket_t so;
111
112 switch (sr->session->s_state) {
113 case SMB_SESSION_STATE_DISCONNECTED:
114 case SMB_SESSION_STATE_TERMINATED:
115 if ((so = sr->cancel_arg2) != NULL)
116 (void) ksocket_shutdown(so, SHUT_RDWR, sr->user_cr);
117 break;
118 }
119 }
120
121 /*
122 * Helper for open: build pipe name and connect.
123 */
124 static int
125 smb_opipe_connect(smb_request_t *sr, smb_opipe_t *opipe)
126 {
127 struct sockaddr_un saddr;
128 smb_arg_open_t *op = &sr->sr_open;
129 const char *name;
130 int rc;
131
132 name = op->fqi.fq_path.pn_path;
133 name += strspn(name, "\\");
134 if (smb_strcasecmp(name, "PIPE", 4) == 0) {
135 name += 4;
136 name += strspn(name, "\\");
137 }
138 (void) strlcpy(opipe->p_name, name, SMB_OPIPE_MAXNAME);
139 (void) smb_strlwr(opipe->p_name);
140
141 bzero(&saddr, sizeof (saddr));
172 int rc;
173
174 /*
175 * Any errors building the XDR message etc.
176 */
177 errp->status = NT_STATUS_INTERNAL_ERROR;
178
179 smb_user_netinfo_init(sr->uid_user, &nui);
180 phdr.ph_magic = SMB_PIPE_HDR_MAGIC;
181 phdr.ph_uilen = xdr_sizeof(smb_netuserinfo_xdr, &nui);
182
183 buflen = sizeof (phdr) + phdr.ph_uilen;
184 buf = kmem_alloc(buflen, KM_SLEEP);
185
186 bcopy(&phdr, buf, sizeof (phdr));
187 xdrmem_create(&xdrs, buf + sizeof (phdr),
188 buflen - (sizeof (phdr)), XDR_ENCODE);
189 if (!smb_netuserinfo_xdr(&xdrs, &nui))
190 goto out;
191
192 mutex_enter(&sr->sr_mutex);
193 if (sr->sr_state != SMB_REQ_STATE_ACTIVE) {
194 mutex_exit(&sr->sr_mutex);
195 errp->status = NT_STATUS_CANCELLED;
196 goto out;
197 }
198 sr->sr_state = SMB_REQ_STATE_WAITING_PIPE;
199 sr->cancel_method = smb_opipe_cancel;
200 sr->cancel_arg2 = opipe->p_socket;
201 mutex_exit(&sr->sr_mutex);
202
203 rc = ksocket_send(opipe->p_socket, buf, buflen, 0,
204 &iocnt, sr->user_cr);
205 if (rc == 0 && iocnt != buflen)
206 rc = EIO;
207 if (rc == 0)
208 rc = ksocket_recv(opipe->p_socket, &status, sizeof (status),
209 0, &iocnt, sr->user_cr);
210 if (rc == 0 && iocnt != sizeof (status))
211 rc = EIO;
212
213 mutex_enter(&sr->sr_mutex);
214 sr->cancel_method = NULL;
215 sr->cancel_arg2 = NULL;
216 switch (sr->sr_state) {
217 case SMB_REQ_STATE_WAITING_PIPE:
218 sr->sr_state = SMB_REQ_STATE_ACTIVE;
219 break;
220 case SMB_REQ_STATE_CANCEL_PENDING:
221 sr->sr_state = SMB_REQ_STATE_CANCELLED;
222 rc = EINTR;
223 break;
224 default:
225 /* keep rc from above */
226 break;
227 }
228 mutex_exit(&sr->sr_mutex);
229
230
231 /*
232 * Return the status we read from the pipe service,
233 * normally NT_STATUS_SUCCESS, but could be something
234 * else like NT_STATUS_ACCESS_DENIED.
235 */
236 switch (rc) {
237 case 0:
238 errp->status = status;
239 break;
240 case EINTR:
241 errp->status = NT_STATUS_CANCELLED;
242 break;
243 /*
244 * If we fail sending the netuserinfo or recv'ing the
245 * status reponse, we have probably run into the limit
246 * on the number of open pipes. That's this status:
247 */
248 default:
249 errp->status = NT_STATUS_PIPE_NOT_AVAILABLE;
250 break;
251 }
252
253 out:
254 xdr_destroy(&xdrs);
255 kmem_free(buf, buflen);
256 smb_user_netinfo_fini(&nui);
257 }
258
259 /*
260 * smb_opipe_open
261 *
262 * Open an RPC named pipe. This routine should be called if
263 * a file open is requested on a share of type STYPE_IPC.
264 * If we recognize the pipe, we setup a new ofile.
265 *
266 * Returns 0 on success, Otherwise an NT status code.
267 */
268 int
269 smb_opipe_open(smb_request_t *sr, smb_ofile_t *ofile)
270 {
271 smb_arg_open_t *op = &sr->sr_open;
272 smb_attr_t *ap = &op->fqi.fq_fattr;
273 smb_opipe_t *opipe;
274 smb_error_t err;
275
276 opipe = smb_opipe_alloc(sr);
277 if (opipe == NULL)
278 return (NT_STATUS_INTERNAL_ERROR);
279
280 if (smb_opipe_connect(sr, opipe) != 0) {
281 smb_opipe_dealloc(opipe);
282 return (NT_STATUS_OBJECT_NAME_NOT_FOUND);
283 }
284
285 smb_opipe_send_userinfo(sr, opipe, &err);
286 if (err.status != 0) {
287 smb_opipe_dealloc(opipe);
288 return (err.status);
289 }
290
291 /*
292 * We might have blocked in smb_opipe_connect long enough so
293 * a tree disconnect might have happened. In that case, we
294 * would be adding an ofile to a tree that's disconnecting,
295 * which would interfere with tear-down.
296 */
297 if (!smb_tree_is_connected(sr->tid_tree)) {
298 smb_opipe_dealloc(opipe);
299 return (NT_STATUS_NETWORK_NAME_DELETED);
300 }
301
302 /*
303 * Note: The new opipe is given to smb_ofile_open
304 * via op->pipe
305 */
306 op->pipe = opipe;
307 smb_ofile_open(sr, op, ofile);
308 op->pipe = NULL;
309
310 /* An "up" pointer, for debug. */
311 opipe->p_ofile = ofile;
312
313 /*
314 * Caller expects attributes in op->fqi
315 */
316 (void) smb_opipe_getattr(ofile, &op->fqi.fq_fattr);
317
318 op->dsize = 0;
319 op->dattr = ap->sa_dosattr;
320 op->fileid = ap->sa_vattr.va_nodeid;
321 op->ftype = SMB_FTYPE_MESG_PIPE;
322 op->action_taken = SMB_OACT_OPLOCK | SMB_OACT_OPENED;
323 op->devstate = SMB_PIPE_READMODE_MESSAGE
324 | SMB_PIPE_TYPE_MESSAGE
325 | SMB_PIPE_UNLIMITED_INSTANCES; /* 0x05ff */
326
327 sr->smb_fid = ofile->f_fid;
328 sr->fid_ofile = ofile;
329
330 return (NT_STATUS_SUCCESS);
331 }
332
333 /*
334 * smb_opipe_close
335 *
336 * Called by smb_ofile_close for pipes.
337 *
338 * Note: ksocket_close may block while waiting for
339 * any I/O threads with a hold to get out.
340 */
341 void
342 smb_opipe_close(smb_ofile_t *of)
343 {
344 smb_opipe_t *opipe;
345 ksocket_t sock;
422 struct nmsghdr msghdr;
423 smb_ofile_t *ofile;
424 smb_opipe_t *opipe;
425 ksocket_t sock;
426 size_t recvcnt = 0;
427 int rc;
428
429 ofile = sr->fid_ofile;
430 ASSERT(ofile->f_ftype == SMB_FTYPE_MESG_PIPE);
431 opipe = ofile->f_pipe;
432 SMB_OPIPE_VALID(opipe);
433
434 mutex_enter(&opipe->p_mutex);
435 sock = opipe->p_socket;
436 if (sock != NULL)
437 ksocket_hold(sock);
438 mutex_exit(&opipe->p_mutex);
439 if (sock == NULL)
440 return (EBADF);
441
442 mutex_enter(&sr->sr_mutex);
443 if (sr->sr_state != SMB_REQ_STATE_ACTIVE) {
444 mutex_exit(&sr->sr_mutex);
445 rc = EINTR;
446 goto out;
447 }
448 sr->sr_state = SMB_REQ_STATE_WAITING_PIPE;
449 sr->cancel_method = smb_opipe_cancel;
450 sr->cancel_arg2 = sock;
451 mutex_exit(&sr->sr_mutex);
452
453 /*
454 * This should block only if there's no data.
455 * A single call to recvmsg does just that.
456 * (Intentionaly no recv loop here.)
457 */
458 bzero(&msghdr, sizeof (msghdr));
459 msghdr.msg_iov = uio->uio_iov;
460 msghdr.msg_iovlen = uio->uio_iovcnt;
461 rc = ksocket_recvmsg(sock, &msghdr, 0,
462 &recvcnt, ofile->f_cr);
463
464 mutex_enter(&sr->sr_mutex);
465 sr->cancel_method = NULL;
466 sr->cancel_arg2 = NULL;
467 switch (sr->sr_state) {
468 case SMB_REQ_STATE_WAITING_PIPE:
469 sr->sr_state = SMB_REQ_STATE_ACTIVE;
470 break;
471 case SMB_REQ_STATE_CANCEL_PENDING:
472 sr->sr_state = SMB_REQ_STATE_CANCELLED;
473 rc = EINTR;
474 break;
475 default:
476 /* keep rc from above */
477 break;
478 }
479 mutex_exit(&sr->sr_mutex);
480
481 if (rc != 0)
482 goto out;
483
484 if (recvcnt == 0) {
485 /* Other side closed. */
486 rc = EPIPE;
487 goto out;
488 }
489 uio->uio_resid -= recvcnt;
490
491 out:
492 ksocket_rele(sock);
493
494 return (rc);
495 }
496
497 int
498 smb_opipe_ioctl(smb_request_t *sr, int cmd, void *arg, int *rvalp)
499 {
500 smb_ofile_t *ofile;
518 rc = ksocket_ioctl(sock, cmd, (intptr_t)arg, rvalp, ofile->f_cr);
519
520 ksocket_rele(sock);
521
522 return (rc);
523 }
524
525 /*
526 * Get the smb_attr_t for a named pipe.
527 * Caller has already cleared to zero.
528 */
529 int
530 smb_opipe_getattr(smb_ofile_t *of, smb_attr_t *ap)
531 {
532
533 if (of->f_pipe == NULL)
534 return (EINVAL);
535
536 ap->sa_vattr.va_type = VFIFO;
537 ap->sa_vattr.va_nlink = 1;
538 ap->sa_vattr.va_nodeid = (uintptr_t)of->f_pipe;
539 ap->sa_dosattr = FILE_ATTRIBUTE_NORMAL;
540 ap->sa_allocsz = SMB_PIPE_MAX_MSGSIZE;
541
542 return (0);
543 }
544
545 int
546 smb_opipe_getname(smb_ofile_t *of, char *buf, size_t buflen)
547 {
548 smb_opipe_t *opipe;
549
550 if ((opipe = of->f_pipe) == NULL)
551 return (EINVAL);
552
553 (void) snprintf(buf, buflen, "\\%s", opipe->p_name);
554 return (0);
555 }
556
557 /*
558 * Handle device type FILE_DEVICE_NAMED_PIPE
559 * for smb2_ioctl
560 */
561 /* ARGSUSED */
562 uint32_t
563 smb_opipe_fsctl(smb_request_t *sr, smb_fsctl_t *fsctl)
564 {
565 uint32_t status;
566
567 if (!STYPE_ISIPC(sr->tid_tree->t_res_type))
568 return (NT_STATUS_INVALID_DEVICE_REQUEST);
569
570 switch (fsctl->CtlCode) {
571 case FSCTL_PIPE_TRANSCEIVE:
572 status = smb_opipe_transceive(sr, fsctl);
573 break;
574
575 case FSCTL_PIPE_PEEK:
576 case FSCTL_PIPE_WAIT:
577 /* XXX todo */
578 status = NT_STATUS_NOT_SUPPORTED;
579 break;
580
581 default:
582 ASSERT(!"CtlCode");
583 status = NT_STATUS_INTERNAL_ERROR;
584 break;
585 }
586
587 return (status);
588 }
589
590 uint32_t
591 smb_opipe_transceive(smb_request_t *sr, smb_fsctl_t *fsctl)
592 {
593 smb_vdb_t vdb;
594 smb_ofile_t *ofile;
595 struct mbuf *mb;
596 uint32_t status;
597 int len, rc;
598
599 /*
600 * Caller checked that this is the IPC$ share,
601 * and that this call has a valid open handle.
602 * Just check the type.
603 */
604 ofile = sr->fid_ofile;
605 if (ofile->f_ftype != SMB_FTYPE_MESG_PIPE)
606 return (NT_STATUS_INVALID_HANDLE);
607
608 rc = smb_mbc_decodef(fsctl->in_mbc, "#B",
609 fsctl->InputCount, &vdb);
610 if (rc != 0) {
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