Deleted Added
full compact
ibcs2_misc.c (193511) ibcs2_misc.c (194498)
1/*-
2 * Copyright (c) 1995 Steven Wallace
3 * Copyright (c) 1994, 1995 Scott Bartram
4 * Copyright (c) 1992, 1993
5 * The Regents of the University of California. All rights reserved.
6 *
7 * This software was developed by the Computer Systems Engineering group
8 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
9 * contributed to Berkeley.
10 *
11 * All advertising materials mentioning features or use of this software
12 * must display the following acknowledgement:
13 * This product includes software developed by the University of
14 * California, Lawrence Berkeley Laboratory.
15 *
16 * Redistribution and use in source and binary forms, with or without
17 * modification, are permitted provided that the following conditions
18 * are met:
19 * 1. Redistributions of source code must retain the above copyright
20 * notice, this list of conditions and the following disclaimer.
21 * 2. Redistributions in binary form must reproduce the above copyright
22 * notice, this list of conditions and the following disclaimer in the
23 * documentation and/or other materials provided with the distribution.
24 * 3. All advertising materials mentioning features or use of this software
25 * must display the following acknowledgement:
26 * This product includes software developed by the University of
27 * California, Berkeley and its contributors.
28 * 4. Neither the name of the University nor the names of its contributors
29 * may be used to endorse or promote products derived from this software
30 * without specific prior written permission.
31 *
32 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
33 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
34 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
35 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
36 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
37 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
38 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
39 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
40 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
41 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
42 * SUCH DAMAGE.
43 *
44 * from: Header: sun_misc.c,v 1.16 93/04/07 02:46:27 torek Exp
45 *
46 * @(#)sun_misc.c 8.1 (Berkeley) 6/18/93
47 */
48
49#include <sys/cdefs.h>
1/*-
2 * Copyright (c) 1995 Steven Wallace
3 * Copyright (c) 1994, 1995 Scott Bartram
4 * Copyright (c) 1992, 1993
5 * The Regents of the University of California. All rights reserved.
6 *
7 * This software was developed by the Computer Systems Engineering group
8 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
9 * contributed to Berkeley.
10 *
11 * All advertising materials mentioning features or use of this software
12 * must display the following acknowledgement:
13 * This product includes software developed by the University of
14 * California, Lawrence Berkeley Laboratory.
15 *
16 * Redistribution and use in source and binary forms, with or without
17 * modification, are permitted provided that the following conditions
18 * are met:
19 * 1. Redistributions of source code must retain the above copyright
20 * notice, this list of conditions and the following disclaimer.
21 * 2. Redistributions in binary form must reproduce the above copyright
22 * notice, this list of conditions and the following disclaimer in the
23 * documentation and/or other materials provided with the distribution.
24 * 3. All advertising materials mentioning features or use of this software
25 * must display the following acknowledgement:
26 * This product includes software developed by the University of
27 * California, Berkeley and its contributors.
28 * 4. Neither the name of the University nor the names of its contributors
29 * may be used to endorse or promote products derived from this software
30 * without specific prior written permission.
31 *
32 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
33 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
34 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
35 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
36 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
37 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
38 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
39 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
40 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
41 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
42 * SUCH DAMAGE.
43 *
44 * from: Header: sun_misc.c,v 1.16 93/04/07 02:46:27 torek Exp
45 *
46 * @(#)sun_misc.c 8.1 (Berkeley) 6/18/93
47 */
48
49#include <sys/cdefs.h>
50__FBSDID("$FreeBSD: head/sys/i386/ibcs2/ibcs2_misc.c 193511 2009-06-05 14:55:22Z rwatson $");
50__FBSDID("$FreeBSD: head/sys/i386/ibcs2/ibcs2_misc.c 194498 2009-06-19 17:10:35Z brooks $");
51
52/*
53 * IBCS2 compatibility module.
54 *
55 * IBCS2 system calls that are implemented differently in BSD are
56 * handled here.
57 */
58#include <sys/param.h>
59#include <sys/systm.h>
60#include <sys/dirent.h>
61#include <sys/fcntl.h>
62#include <sys/filedesc.h>
63#include <sys/imgact.h>
64#include <sys/kernel.h>
65#include <sys/lock.h>
66#include <sys/malloc.h>
67#include <sys/file.h> /* Must come after sys/malloc.h */
68#include <sys/mutex.h>
69#include <sys/priv.h>
70#include <sys/reboot.h>
71#include <sys/resourcevar.h>
72#include <sys/stat.h>
73#include <sys/sysctl.h>
74#include <sys/syscallsubr.h>
75#include <sys/sysproto.h>
76#include <sys/time.h>
77#include <sys/times.h>
78#include <sys/vnode.h>
79#include <sys/wait.h>
80
81#include <machine/cpu.h>
82
83#include <i386/ibcs2/ibcs2_dirent.h>
84#include <i386/ibcs2/ibcs2_signal.h>
85#include <i386/ibcs2/ibcs2_proto.h>
86#include <i386/ibcs2/ibcs2_unistd.h>
87#include <i386/ibcs2/ibcs2_util.h>
88#include <i386/ibcs2/ibcs2_utime.h>
89#include <i386/ibcs2/ibcs2_xenix.h>
90
91#include <security/mac/mac_framework.h>
92
93int
94ibcs2_ulimit(td, uap)
95 struct thread *td;
96 struct ibcs2_ulimit_args *uap;
97{
98 struct rlimit rl;
99 struct proc *p;
100 int error;
101#define IBCS2_GETFSIZE 1
102#define IBCS2_SETFSIZE 2
103#define IBCS2_GETPSIZE 3
104#define IBCS2_GETDTABLESIZE 4
105
106 p = td->td_proc;
107 switch (uap->cmd) {
108 case IBCS2_GETFSIZE:
109 PROC_LOCK(p);
110 td->td_retval[0] = lim_cur(p, RLIMIT_FSIZE);
111 PROC_UNLOCK(p);
112 if (td->td_retval[0] == -1)
113 td->td_retval[0] = 0x7fffffff;
114 return 0;
115 case IBCS2_SETFSIZE:
116 PROC_LOCK(p);
117 rl.rlim_max = lim_max(p, RLIMIT_FSIZE);
118 PROC_UNLOCK(p);
119 rl.rlim_cur = uap->newlimit;
120 error = kern_setrlimit(td, RLIMIT_FSIZE, &rl);
121 if (!error) {
122 PROC_LOCK(p);
123 td->td_retval[0] = lim_cur(p, RLIMIT_FSIZE);
124 PROC_UNLOCK(p);
125 } else {
126 DPRINTF(("failed "));
127 }
128 return error;
129 case IBCS2_GETPSIZE:
130 PROC_LOCK(p);
131 td->td_retval[0] = lim_cur(p, RLIMIT_RSS); /* XXX */
132 PROC_UNLOCK(p);
133 return 0;
134 case IBCS2_GETDTABLESIZE:
135 uap->cmd = IBCS2_SC_OPEN_MAX;
136 return ibcs2_sysconf(td, (struct ibcs2_sysconf_args *)uap);
137 default:
138 return ENOSYS;
139 }
140}
141
142#define IBCS2_WSTOPPED 0177
143#define IBCS2_STOPCODE(sig) ((sig) << 8 | IBCS2_WSTOPPED)
144int
145ibcs2_wait(td, uap)
146 struct thread *td;
147 struct ibcs2_wait_args *uap;
148{
149 int error, options, status;
150 int *statusp;
151 pid_t pid;
152 struct trapframe *tf = td->td_frame;
153
154 if ((tf->tf_eflags & (PSL_Z|PSL_PF|PSL_N|PSL_V))
155 == (PSL_Z|PSL_PF|PSL_N|PSL_V)) {
156 /* waitpid */
157 pid = uap->a1;
158 statusp = (int *)uap->a2;
159 options = uap->a3;
160 } else {
161 /* wait */
162 pid = WAIT_ANY;
163 statusp = (int *)uap->a1;
164 options = 0;
165 }
166 error = kern_wait(td, pid, &status, options, NULL);
167 if (error)
168 return error;
169 if (statusp) {
170 /*
171 * Convert status/signal result.
172 */
173 if (WIFSTOPPED(status)) {
174 if (WSTOPSIG(status) <= 0 ||
175 WSTOPSIG(status) > IBCS2_SIGTBLSZ)
176 return (EINVAL);
177 status =
178 IBCS2_STOPCODE(bsd_to_ibcs2_sig[_SIG_IDX(WSTOPSIG(status))]);
179 } else if (WIFSIGNALED(status)) {
180 if (WTERMSIG(status) <= 0 ||
181 WTERMSIG(status) > IBCS2_SIGTBLSZ)
182 return (EINVAL);
183 status = bsd_to_ibcs2_sig[_SIG_IDX(WTERMSIG(status))];
184 }
185 /* else exit status -- identical */
186
187 /* record result/status */
188 td->td_retval[1] = status;
189 return copyout(&status, statusp, sizeof(status));
190 }
191
192 return 0;
193}
194
195int
196ibcs2_execv(td, uap)
197 struct thread *td;
198 struct ibcs2_execv_args *uap;
199{
200 struct image_args eargs;
201 char *path;
202 int error;
203
204 CHECKALTEXIST(td, uap->path, &path);
205
206 error = exec_copyin_args(&eargs, path, UIO_SYSSPACE, uap->argp, NULL);
207 free(path, M_TEMP);
208 if (error == 0)
209 error = kern_execve(td, &eargs, NULL);
210 return (error);
211}
212
213int
214ibcs2_execve(td, uap)
215 struct thread *td;
216 struct ibcs2_execve_args *uap;
217{
218 struct image_args eargs;
219 char *path;
220 int error;
221
222 CHECKALTEXIST(td, uap->path, &path);
223
224 error = exec_copyin_args(&eargs, path, UIO_SYSSPACE, uap->argp,
225 uap->envp);
226 free(path, M_TEMP);
227 if (error == 0)
228 error = kern_execve(td, &eargs, NULL);
229 return (error);
230}
231
232int
233ibcs2_umount(td, uap)
234 struct thread *td;
235 struct ibcs2_umount_args *uap;
236{
237 struct unmount_args um;
238
239 um.path = uap->name;
240 um.flags = 0;
241 return unmount(td, &um);
242}
243
244int
245ibcs2_mount(td, uap)
246 struct thread *td;
247 struct ibcs2_mount_args *uap;
248{
249#ifdef notyet
250 int oflags = uap->flags, nflags, error;
251 char fsname[MFSNAMELEN];
252
253 if (oflags & (IBCS2_MS_NOSUB | IBCS2_MS_SYS5))
254 return (EINVAL);
255 if ((oflags & IBCS2_MS_NEWTYPE) == 0)
256 return (EINVAL);
257 nflags = 0;
258 if (oflags & IBCS2_MS_RDONLY)
259 nflags |= MNT_RDONLY;
260 if (oflags & IBCS2_MS_NOSUID)
261 nflags |= MNT_NOSUID;
262 if (oflags & IBCS2_MS_REMOUNT)
263 nflags |= MNT_UPDATE;
264 uap->flags = nflags;
265
266 if (error = copyinstr((caddr_t)uap->type, fsname, sizeof fsname,
267 (u_int *)0))
268 return (error);
269
270 if (strcmp(fsname, "4.2") == 0) {
271 uap->type = (caddr_t)STACK_ALLOC();
272 if (error = copyout("ufs", uap->type, sizeof("ufs")))
273 return (error);
274 } else if (strcmp(fsname, "nfs") == 0) {
275 struct ibcs2_nfs_args sna;
276 struct sockaddr_in sain;
277 struct nfs_args na;
278 struct sockaddr sa;
279
280 if (error = copyin(uap->data, &sna, sizeof sna))
281 return (error);
282 if (error = copyin(sna.addr, &sain, sizeof sain))
283 return (error);
284 bcopy(&sain, &sa, sizeof sa);
285 sa.sa_len = sizeof(sain);
286 uap->data = (caddr_t)STACK_ALLOC();
287 na.addr = (struct sockaddr *)((int)uap->data + sizeof na);
288 na.sotype = SOCK_DGRAM;
289 na.proto = IPPROTO_UDP;
290 na.fh = (nfsv2fh_t *)sna.fh;
291 na.flags = sna.flags;
292 na.wsize = sna.wsize;
293 na.rsize = sna.rsize;
294 na.timeo = sna.timeo;
295 na.retrans = sna.retrans;
296 na.hostname = sna.hostname;
297
298 if (error = copyout(&sa, na.addr, sizeof sa))
299 return (error);
300 if (error = copyout(&na, uap->data, sizeof na))
301 return (error);
302 }
303 return (mount(td, uap));
304#else
305 return EINVAL;
306#endif
307}
308
309/*
310 * Read iBCS2-style directory entries. We suck them into kernel space so
311 * that they can be massaged before being copied out to user code. Like
312 * SunOS, we squish out `empty' entries.
313 *
314 * This is quite ugly, but what do you expect from compatibility code?
315 */
316
317int
318ibcs2_getdents(td, uap)
319 struct thread *td;
320 register struct ibcs2_getdents_args *uap;
321{
322 register struct vnode *vp;
323 register caddr_t inp, buf; /* BSD-format */
324 register int len, reclen; /* BSD-format */
325 register caddr_t outp; /* iBCS2-format */
326 register int resid; /* iBCS2-format */
327 struct file *fp;
328 struct uio auio;
329 struct iovec aiov;
330 struct ibcs2_dirent idb;
331 off_t off; /* true file offset */
332 int buflen, error, eofflag, vfslocked;
333 u_long *cookies = NULL, *cookiep;
334 int ncookies;
335#define BSD_DIRENT(cp) ((struct dirent *)(cp))
336#define IBCS2_RECLEN(reclen) (reclen + sizeof(u_short))
337
338 if ((error = getvnode(td->td_proc->p_fd, uap->fd, &fp)) != 0)
339 return (error);
340 if ((fp->f_flag & FREAD) == 0) {
341 fdrop(fp, td);
342 return (EBADF);
343 }
344 vp = fp->f_vnode;
345 vfslocked = VFS_LOCK_GIANT(vp->v_mount);
346 if (vp->v_type != VDIR) { /* XXX vnode readdir op should do this */
347 VFS_UNLOCK_GIANT(vfslocked);
348 fdrop(fp, td);
349 return (EINVAL);
350 }
351
352 off = fp->f_offset;
353#define DIRBLKSIZ 512 /* XXX we used to use ufs's DIRBLKSIZ */
354 buflen = max(DIRBLKSIZ, uap->nbytes);
355 buflen = min(buflen, MAXBSIZE);
356 buf = malloc(buflen, M_TEMP, M_WAITOK);
357 vn_lock(vp, LK_SHARED | LK_RETRY);
358again:
359 aiov.iov_base = buf;
360 aiov.iov_len = buflen;
361 auio.uio_iov = &aiov;
362 auio.uio_iovcnt = 1;
363 auio.uio_rw = UIO_READ;
364 auio.uio_segflg = UIO_SYSSPACE;
365 auio.uio_td = td;
366 auio.uio_resid = buflen;
367 auio.uio_offset = off;
368
369 if (cookies) {
370 free(cookies, M_TEMP);
371 cookies = NULL;
372 }
373
374#ifdef MAC
375 error = mac_vnode_check_readdir(td->td_ucred, vp);
376 if (error)
377 goto out;
378#endif
379
380 /*
381 * First we read into the malloc'ed buffer, then
382 * we massage it into user space, one record at a time.
383 */
384 if ((error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag, &ncookies, &cookies)) != 0)
385 goto out;
386 inp = buf;
387 outp = uap->buf;
388 resid = uap->nbytes;
389 if ((len = buflen - auio.uio_resid) <= 0)
390 goto eof;
391
392 cookiep = cookies;
393
394 if (cookies) {
395 /*
396 * When using cookies, the vfs has the option of reading from
397 * a different offset than that supplied (UFS truncates the
398 * offset to a block boundary to make sure that it never reads
399 * partway through a directory entry, even if the directory
400 * has been compacted).
401 */
402 while (len > 0 && ncookies > 0 && *cookiep <= off) {
403 len -= BSD_DIRENT(inp)->d_reclen;
404 inp += BSD_DIRENT(inp)->d_reclen;
405 cookiep++;
406 ncookies--;
407 }
408 }
409
410 for (; len > 0; len -= reclen) {
411 if (cookiep && ncookies == 0)
412 break;
413 reclen = BSD_DIRENT(inp)->d_reclen;
414 if (reclen & 3) {
415 printf("ibcs2_getdents: reclen=%d\n", reclen);
416 error = EFAULT;
417 goto out;
418 }
419 if (BSD_DIRENT(inp)->d_fileno == 0) {
420 inp += reclen; /* it is a hole; squish it out */
421 if (cookiep) {
422 off = *cookiep++;
423 ncookies--;
424 } else
425 off += reclen;
426 continue;
427 }
428 if (reclen > len || resid < IBCS2_RECLEN(reclen)) {
429 /* entry too big for buffer, so just stop */
430 outp++;
431 break;
432 }
433 /*
434 * Massage in place to make an iBCS2-shaped dirent (otherwise
435 * we have to worry about touching user memory outside of
436 * the copyout() call).
437 */
438 idb.d_ino = (ibcs2_ino_t)BSD_DIRENT(inp)->d_fileno;
439 idb.d_off = (ibcs2_off_t)off;
440 idb.d_reclen = (u_short)IBCS2_RECLEN(reclen);
441 if ((error = copyout((caddr_t)&idb, outp, 10)) != 0 ||
442 (error = copyout(BSD_DIRENT(inp)->d_name, outp + 10,
443 BSD_DIRENT(inp)->d_namlen + 1)) != 0)
444 goto out;
445 /* advance past this real entry */
446 if (cookiep) {
447 off = *cookiep++;
448 ncookies--;
449 } else
450 off += reclen;
451 inp += reclen;
452 /* advance output past iBCS2-shaped entry */
453 outp += IBCS2_RECLEN(reclen);
454 resid -= IBCS2_RECLEN(reclen);
455 }
456 /* if we squished out the whole block, try again */
457 if (outp == uap->buf)
458 goto again;
459 fp->f_offset = off; /* update the vnode offset */
460eof:
461 td->td_retval[0] = uap->nbytes - resid;
462out:
463 VOP_UNLOCK(vp, 0);
464 VFS_UNLOCK_GIANT(vfslocked);
465 fdrop(fp, td);
466 if (cookies)
467 free(cookies, M_TEMP);
468 free(buf, M_TEMP);
469 return (error);
470}
471
472int
473ibcs2_read(td, uap)
474 struct thread *td;
475 struct ibcs2_read_args *uap;
476{
477 register struct vnode *vp;
478 register caddr_t inp, buf; /* BSD-format */
479 register int len, reclen; /* BSD-format */
480 register caddr_t outp; /* iBCS2-format */
481 register int resid; /* iBCS2-format */
482 struct file *fp;
483 struct uio auio;
484 struct iovec aiov;
485 struct ibcs2_direct {
486 ibcs2_ino_t ino;
487 char name[14];
488 } idb;
489 off_t off; /* true file offset */
490 int buflen, error, eofflag, size, vfslocked;
491 u_long *cookies = NULL, *cookiep;
492 int ncookies;
493
494 if ((error = getvnode(td->td_proc->p_fd, uap->fd, &fp)) != 0) {
495 if (error == EINVAL)
496 return read(td, (struct read_args *)uap);
497 else
498 return error;
499 }
500 if ((fp->f_flag & FREAD) == 0) {
501 fdrop(fp, td);
502 return (EBADF);
503 }
504 vp = fp->f_vnode;
505 vfslocked = VFS_LOCK_GIANT(vp->v_mount);
506 if (vp->v_type != VDIR) {
507 VFS_UNLOCK_GIANT(vfslocked);
508 fdrop(fp, td);
509 return read(td, (struct read_args *)uap);
510 }
511
512 off = fp->f_offset;
513
514 DPRINTF(("ibcs2_read: read directory\n"));
515
516 buflen = max(DIRBLKSIZ, uap->nbytes);
517 buflen = min(buflen, MAXBSIZE);
518 buf = malloc(buflen, M_TEMP, M_WAITOK);
519 vn_lock(vp, LK_SHARED | LK_RETRY);
520again:
521 aiov.iov_base = buf;
522 aiov.iov_len = buflen;
523 auio.uio_iov = &aiov;
524 auio.uio_iovcnt = 1;
525 auio.uio_rw = UIO_READ;
526 auio.uio_segflg = UIO_SYSSPACE;
527 auio.uio_td = td;
528 auio.uio_resid = buflen;
529 auio.uio_offset = off;
530
531 if (cookies) {
532 free(cookies, M_TEMP);
533 cookies = NULL;
534 }
535
536#ifdef MAC
537 error = mac_vnode_check_readdir(td->td_ucred, vp);
538 if (error)
539 goto out;
540#endif
541
542 /*
543 * First we read into the malloc'ed buffer, then
544 * we massage it into user space, one record at a time.
545 */
546 if ((error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag, &ncookies, &cookies)) != 0) {
547 DPRINTF(("VOP_READDIR failed: %d\n", error));
548 goto out;
549 }
550 inp = buf;
551 outp = uap->buf;
552 resid = uap->nbytes;
553 if ((len = buflen - auio.uio_resid) <= 0)
554 goto eof;
555
556 cookiep = cookies;
557
558 if (cookies) {
559 /*
560 * When using cookies, the vfs has the option of reading from
561 * a different offset than that supplied (UFS truncates the
562 * offset to a block boundary to make sure that it never reads
563 * partway through a directory entry, even if the directory
564 * has been compacted).
565 */
566 while (len > 0 && ncookies > 0 && *cookiep <= off) {
567 len -= BSD_DIRENT(inp)->d_reclen;
568 inp += BSD_DIRENT(inp)->d_reclen;
569 cookiep++;
570 ncookies--;
571 }
572 }
573
574 for (; len > 0 && resid > 0; len -= reclen) {
575 if (cookiep && ncookies == 0)
576 break;
577 reclen = BSD_DIRENT(inp)->d_reclen;
578 if (reclen & 3) {
579 printf("ibcs2_read: reclen=%d\n", reclen);
580 error = EFAULT;
581 goto out;
582 }
583 if (BSD_DIRENT(inp)->d_fileno == 0) {
584 inp += reclen; /* it is a hole; squish it out */
585 if (cookiep) {
586 off = *cookiep++;
587 ncookies--;
588 } else
589 off += reclen;
590 continue;
591 }
592 if (reclen > len || resid < sizeof(struct ibcs2_direct)) {
593 /* entry too big for buffer, so just stop */
594 outp++;
595 break;
596 }
597 /*
598 * Massage in place to make an iBCS2-shaped dirent (otherwise
599 * we have to worry about touching user memory outside of
600 * the copyout() call).
601 *
602 * TODO: if length(filename) > 14, then break filename into
603 * multiple entries and set inode = 0xffff except last
604 */
605 idb.ino = (BSD_DIRENT(inp)->d_fileno > 0xfffe) ? 0xfffe :
606 BSD_DIRENT(inp)->d_fileno;
607 (void)copystr(BSD_DIRENT(inp)->d_name, idb.name, 14, &size);
608 bzero(idb.name + size, 14 - size);
609 if ((error = copyout(&idb, outp, sizeof(struct ibcs2_direct))) != 0)
610 goto out;
611 /* advance past this real entry */
612 if (cookiep) {
613 off = *cookiep++;
614 ncookies--;
615 } else
616 off += reclen;
617 inp += reclen;
618 /* advance output past iBCS2-shaped entry */
619 outp += sizeof(struct ibcs2_direct);
620 resid -= sizeof(struct ibcs2_direct);
621 }
622 /* if we squished out the whole block, try again */
623 if (outp == uap->buf)
624 goto again;
625 fp->f_offset = off; /* update the vnode offset */
626eof:
627 td->td_retval[0] = uap->nbytes - resid;
628out:
629 VOP_UNLOCK(vp, 0);
630 VFS_UNLOCK_GIANT(vfslocked);
631 fdrop(fp, td);
632 if (cookies)
633 free(cookies, M_TEMP);
634 free(buf, M_TEMP);
635 return (error);
636}
637
638int
639ibcs2_mknod(td, uap)
640 struct thread *td;
641 struct ibcs2_mknod_args *uap;
642{
643 char *path;
644 int error;
645
646 CHECKALTCREAT(td, uap->path, &path);
647 if (S_ISFIFO(uap->mode))
648 error = kern_mkfifo(td, path, UIO_SYSSPACE, uap->mode);
649 else
650 error = kern_mknod(td, path, UIO_SYSSPACE, uap->mode, uap->dev);
651 free(path, M_TEMP);
652 return (error);
653}
654
655int
656ibcs2_getgroups(td, uap)
657 struct thread *td;
658 struct ibcs2_getgroups_args *uap;
659{
51
52/*
53 * IBCS2 compatibility module.
54 *
55 * IBCS2 system calls that are implemented differently in BSD are
56 * handled here.
57 */
58#include <sys/param.h>
59#include <sys/systm.h>
60#include <sys/dirent.h>
61#include <sys/fcntl.h>
62#include <sys/filedesc.h>
63#include <sys/imgact.h>
64#include <sys/kernel.h>
65#include <sys/lock.h>
66#include <sys/malloc.h>
67#include <sys/file.h> /* Must come after sys/malloc.h */
68#include <sys/mutex.h>
69#include <sys/priv.h>
70#include <sys/reboot.h>
71#include <sys/resourcevar.h>
72#include <sys/stat.h>
73#include <sys/sysctl.h>
74#include <sys/syscallsubr.h>
75#include <sys/sysproto.h>
76#include <sys/time.h>
77#include <sys/times.h>
78#include <sys/vnode.h>
79#include <sys/wait.h>
80
81#include <machine/cpu.h>
82
83#include <i386/ibcs2/ibcs2_dirent.h>
84#include <i386/ibcs2/ibcs2_signal.h>
85#include <i386/ibcs2/ibcs2_proto.h>
86#include <i386/ibcs2/ibcs2_unistd.h>
87#include <i386/ibcs2/ibcs2_util.h>
88#include <i386/ibcs2/ibcs2_utime.h>
89#include <i386/ibcs2/ibcs2_xenix.h>
90
91#include <security/mac/mac_framework.h>
92
93int
94ibcs2_ulimit(td, uap)
95 struct thread *td;
96 struct ibcs2_ulimit_args *uap;
97{
98 struct rlimit rl;
99 struct proc *p;
100 int error;
101#define IBCS2_GETFSIZE 1
102#define IBCS2_SETFSIZE 2
103#define IBCS2_GETPSIZE 3
104#define IBCS2_GETDTABLESIZE 4
105
106 p = td->td_proc;
107 switch (uap->cmd) {
108 case IBCS2_GETFSIZE:
109 PROC_LOCK(p);
110 td->td_retval[0] = lim_cur(p, RLIMIT_FSIZE);
111 PROC_UNLOCK(p);
112 if (td->td_retval[0] == -1)
113 td->td_retval[0] = 0x7fffffff;
114 return 0;
115 case IBCS2_SETFSIZE:
116 PROC_LOCK(p);
117 rl.rlim_max = lim_max(p, RLIMIT_FSIZE);
118 PROC_UNLOCK(p);
119 rl.rlim_cur = uap->newlimit;
120 error = kern_setrlimit(td, RLIMIT_FSIZE, &rl);
121 if (!error) {
122 PROC_LOCK(p);
123 td->td_retval[0] = lim_cur(p, RLIMIT_FSIZE);
124 PROC_UNLOCK(p);
125 } else {
126 DPRINTF(("failed "));
127 }
128 return error;
129 case IBCS2_GETPSIZE:
130 PROC_LOCK(p);
131 td->td_retval[0] = lim_cur(p, RLIMIT_RSS); /* XXX */
132 PROC_UNLOCK(p);
133 return 0;
134 case IBCS2_GETDTABLESIZE:
135 uap->cmd = IBCS2_SC_OPEN_MAX;
136 return ibcs2_sysconf(td, (struct ibcs2_sysconf_args *)uap);
137 default:
138 return ENOSYS;
139 }
140}
141
142#define IBCS2_WSTOPPED 0177
143#define IBCS2_STOPCODE(sig) ((sig) << 8 | IBCS2_WSTOPPED)
144int
145ibcs2_wait(td, uap)
146 struct thread *td;
147 struct ibcs2_wait_args *uap;
148{
149 int error, options, status;
150 int *statusp;
151 pid_t pid;
152 struct trapframe *tf = td->td_frame;
153
154 if ((tf->tf_eflags & (PSL_Z|PSL_PF|PSL_N|PSL_V))
155 == (PSL_Z|PSL_PF|PSL_N|PSL_V)) {
156 /* waitpid */
157 pid = uap->a1;
158 statusp = (int *)uap->a2;
159 options = uap->a3;
160 } else {
161 /* wait */
162 pid = WAIT_ANY;
163 statusp = (int *)uap->a1;
164 options = 0;
165 }
166 error = kern_wait(td, pid, &status, options, NULL);
167 if (error)
168 return error;
169 if (statusp) {
170 /*
171 * Convert status/signal result.
172 */
173 if (WIFSTOPPED(status)) {
174 if (WSTOPSIG(status) <= 0 ||
175 WSTOPSIG(status) > IBCS2_SIGTBLSZ)
176 return (EINVAL);
177 status =
178 IBCS2_STOPCODE(bsd_to_ibcs2_sig[_SIG_IDX(WSTOPSIG(status))]);
179 } else if (WIFSIGNALED(status)) {
180 if (WTERMSIG(status) <= 0 ||
181 WTERMSIG(status) > IBCS2_SIGTBLSZ)
182 return (EINVAL);
183 status = bsd_to_ibcs2_sig[_SIG_IDX(WTERMSIG(status))];
184 }
185 /* else exit status -- identical */
186
187 /* record result/status */
188 td->td_retval[1] = status;
189 return copyout(&status, statusp, sizeof(status));
190 }
191
192 return 0;
193}
194
195int
196ibcs2_execv(td, uap)
197 struct thread *td;
198 struct ibcs2_execv_args *uap;
199{
200 struct image_args eargs;
201 char *path;
202 int error;
203
204 CHECKALTEXIST(td, uap->path, &path);
205
206 error = exec_copyin_args(&eargs, path, UIO_SYSSPACE, uap->argp, NULL);
207 free(path, M_TEMP);
208 if (error == 0)
209 error = kern_execve(td, &eargs, NULL);
210 return (error);
211}
212
213int
214ibcs2_execve(td, uap)
215 struct thread *td;
216 struct ibcs2_execve_args *uap;
217{
218 struct image_args eargs;
219 char *path;
220 int error;
221
222 CHECKALTEXIST(td, uap->path, &path);
223
224 error = exec_copyin_args(&eargs, path, UIO_SYSSPACE, uap->argp,
225 uap->envp);
226 free(path, M_TEMP);
227 if (error == 0)
228 error = kern_execve(td, &eargs, NULL);
229 return (error);
230}
231
232int
233ibcs2_umount(td, uap)
234 struct thread *td;
235 struct ibcs2_umount_args *uap;
236{
237 struct unmount_args um;
238
239 um.path = uap->name;
240 um.flags = 0;
241 return unmount(td, &um);
242}
243
244int
245ibcs2_mount(td, uap)
246 struct thread *td;
247 struct ibcs2_mount_args *uap;
248{
249#ifdef notyet
250 int oflags = uap->flags, nflags, error;
251 char fsname[MFSNAMELEN];
252
253 if (oflags & (IBCS2_MS_NOSUB | IBCS2_MS_SYS5))
254 return (EINVAL);
255 if ((oflags & IBCS2_MS_NEWTYPE) == 0)
256 return (EINVAL);
257 nflags = 0;
258 if (oflags & IBCS2_MS_RDONLY)
259 nflags |= MNT_RDONLY;
260 if (oflags & IBCS2_MS_NOSUID)
261 nflags |= MNT_NOSUID;
262 if (oflags & IBCS2_MS_REMOUNT)
263 nflags |= MNT_UPDATE;
264 uap->flags = nflags;
265
266 if (error = copyinstr((caddr_t)uap->type, fsname, sizeof fsname,
267 (u_int *)0))
268 return (error);
269
270 if (strcmp(fsname, "4.2") == 0) {
271 uap->type = (caddr_t)STACK_ALLOC();
272 if (error = copyout("ufs", uap->type, sizeof("ufs")))
273 return (error);
274 } else if (strcmp(fsname, "nfs") == 0) {
275 struct ibcs2_nfs_args sna;
276 struct sockaddr_in sain;
277 struct nfs_args na;
278 struct sockaddr sa;
279
280 if (error = copyin(uap->data, &sna, sizeof sna))
281 return (error);
282 if (error = copyin(sna.addr, &sain, sizeof sain))
283 return (error);
284 bcopy(&sain, &sa, sizeof sa);
285 sa.sa_len = sizeof(sain);
286 uap->data = (caddr_t)STACK_ALLOC();
287 na.addr = (struct sockaddr *)((int)uap->data + sizeof na);
288 na.sotype = SOCK_DGRAM;
289 na.proto = IPPROTO_UDP;
290 na.fh = (nfsv2fh_t *)sna.fh;
291 na.flags = sna.flags;
292 na.wsize = sna.wsize;
293 na.rsize = sna.rsize;
294 na.timeo = sna.timeo;
295 na.retrans = sna.retrans;
296 na.hostname = sna.hostname;
297
298 if (error = copyout(&sa, na.addr, sizeof sa))
299 return (error);
300 if (error = copyout(&na, uap->data, sizeof na))
301 return (error);
302 }
303 return (mount(td, uap));
304#else
305 return EINVAL;
306#endif
307}
308
309/*
310 * Read iBCS2-style directory entries. We suck them into kernel space so
311 * that they can be massaged before being copied out to user code. Like
312 * SunOS, we squish out `empty' entries.
313 *
314 * This is quite ugly, but what do you expect from compatibility code?
315 */
316
317int
318ibcs2_getdents(td, uap)
319 struct thread *td;
320 register struct ibcs2_getdents_args *uap;
321{
322 register struct vnode *vp;
323 register caddr_t inp, buf; /* BSD-format */
324 register int len, reclen; /* BSD-format */
325 register caddr_t outp; /* iBCS2-format */
326 register int resid; /* iBCS2-format */
327 struct file *fp;
328 struct uio auio;
329 struct iovec aiov;
330 struct ibcs2_dirent idb;
331 off_t off; /* true file offset */
332 int buflen, error, eofflag, vfslocked;
333 u_long *cookies = NULL, *cookiep;
334 int ncookies;
335#define BSD_DIRENT(cp) ((struct dirent *)(cp))
336#define IBCS2_RECLEN(reclen) (reclen + sizeof(u_short))
337
338 if ((error = getvnode(td->td_proc->p_fd, uap->fd, &fp)) != 0)
339 return (error);
340 if ((fp->f_flag & FREAD) == 0) {
341 fdrop(fp, td);
342 return (EBADF);
343 }
344 vp = fp->f_vnode;
345 vfslocked = VFS_LOCK_GIANT(vp->v_mount);
346 if (vp->v_type != VDIR) { /* XXX vnode readdir op should do this */
347 VFS_UNLOCK_GIANT(vfslocked);
348 fdrop(fp, td);
349 return (EINVAL);
350 }
351
352 off = fp->f_offset;
353#define DIRBLKSIZ 512 /* XXX we used to use ufs's DIRBLKSIZ */
354 buflen = max(DIRBLKSIZ, uap->nbytes);
355 buflen = min(buflen, MAXBSIZE);
356 buf = malloc(buflen, M_TEMP, M_WAITOK);
357 vn_lock(vp, LK_SHARED | LK_RETRY);
358again:
359 aiov.iov_base = buf;
360 aiov.iov_len = buflen;
361 auio.uio_iov = &aiov;
362 auio.uio_iovcnt = 1;
363 auio.uio_rw = UIO_READ;
364 auio.uio_segflg = UIO_SYSSPACE;
365 auio.uio_td = td;
366 auio.uio_resid = buflen;
367 auio.uio_offset = off;
368
369 if (cookies) {
370 free(cookies, M_TEMP);
371 cookies = NULL;
372 }
373
374#ifdef MAC
375 error = mac_vnode_check_readdir(td->td_ucred, vp);
376 if (error)
377 goto out;
378#endif
379
380 /*
381 * First we read into the malloc'ed buffer, then
382 * we massage it into user space, one record at a time.
383 */
384 if ((error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag, &ncookies, &cookies)) != 0)
385 goto out;
386 inp = buf;
387 outp = uap->buf;
388 resid = uap->nbytes;
389 if ((len = buflen - auio.uio_resid) <= 0)
390 goto eof;
391
392 cookiep = cookies;
393
394 if (cookies) {
395 /*
396 * When using cookies, the vfs has the option of reading from
397 * a different offset than that supplied (UFS truncates the
398 * offset to a block boundary to make sure that it never reads
399 * partway through a directory entry, even if the directory
400 * has been compacted).
401 */
402 while (len > 0 && ncookies > 0 && *cookiep <= off) {
403 len -= BSD_DIRENT(inp)->d_reclen;
404 inp += BSD_DIRENT(inp)->d_reclen;
405 cookiep++;
406 ncookies--;
407 }
408 }
409
410 for (; len > 0; len -= reclen) {
411 if (cookiep && ncookies == 0)
412 break;
413 reclen = BSD_DIRENT(inp)->d_reclen;
414 if (reclen & 3) {
415 printf("ibcs2_getdents: reclen=%d\n", reclen);
416 error = EFAULT;
417 goto out;
418 }
419 if (BSD_DIRENT(inp)->d_fileno == 0) {
420 inp += reclen; /* it is a hole; squish it out */
421 if (cookiep) {
422 off = *cookiep++;
423 ncookies--;
424 } else
425 off += reclen;
426 continue;
427 }
428 if (reclen > len || resid < IBCS2_RECLEN(reclen)) {
429 /* entry too big for buffer, so just stop */
430 outp++;
431 break;
432 }
433 /*
434 * Massage in place to make an iBCS2-shaped dirent (otherwise
435 * we have to worry about touching user memory outside of
436 * the copyout() call).
437 */
438 idb.d_ino = (ibcs2_ino_t)BSD_DIRENT(inp)->d_fileno;
439 idb.d_off = (ibcs2_off_t)off;
440 idb.d_reclen = (u_short)IBCS2_RECLEN(reclen);
441 if ((error = copyout((caddr_t)&idb, outp, 10)) != 0 ||
442 (error = copyout(BSD_DIRENT(inp)->d_name, outp + 10,
443 BSD_DIRENT(inp)->d_namlen + 1)) != 0)
444 goto out;
445 /* advance past this real entry */
446 if (cookiep) {
447 off = *cookiep++;
448 ncookies--;
449 } else
450 off += reclen;
451 inp += reclen;
452 /* advance output past iBCS2-shaped entry */
453 outp += IBCS2_RECLEN(reclen);
454 resid -= IBCS2_RECLEN(reclen);
455 }
456 /* if we squished out the whole block, try again */
457 if (outp == uap->buf)
458 goto again;
459 fp->f_offset = off; /* update the vnode offset */
460eof:
461 td->td_retval[0] = uap->nbytes - resid;
462out:
463 VOP_UNLOCK(vp, 0);
464 VFS_UNLOCK_GIANT(vfslocked);
465 fdrop(fp, td);
466 if (cookies)
467 free(cookies, M_TEMP);
468 free(buf, M_TEMP);
469 return (error);
470}
471
472int
473ibcs2_read(td, uap)
474 struct thread *td;
475 struct ibcs2_read_args *uap;
476{
477 register struct vnode *vp;
478 register caddr_t inp, buf; /* BSD-format */
479 register int len, reclen; /* BSD-format */
480 register caddr_t outp; /* iBCS2-format */
481 register int resid; /* iBCS2-format */
482 struct file *fp;
483 struct uio auio;
484 struct iovec aiov;
485 struct ibcs2_direct {
486 ibcs2_ino_t ino;
487 char name[14];
488 } idb;
489 off_t off; /* true file offset */
490 int buflen, error, eofflag, size, vfslocked;
491 u_long *cookies = NULL, *cookiep;
492 int ncookies;
493
494 if ((error = getvnode(td->td_proc->p_fd, uap->fd, &fp)) != 0) {
495 if (error == EINVAL)
496 return read(td, (struct read_args *)uap);
497 else
498 return error;
499 }
500 if ((fp->f_flag & FREAD) == 0) {
501 fdrop(fp, td);
502 return (EBADF);
503 }
504 vp = fp->f_vnode;
505 vfslocked = VFS_LOCK_GIANT(vp->v_mount);
506 if (vp->v_type != VDIR) {
507 VFS_UNLOCK_GIANT(vfslocked);
508 fdrop(fp, td);
509 return read(td, (struct read_args *)uap);
510 }
511
512 off = fp->f_offset;
513
514 DPRINTF(("ibcs2_read: read directory\n"));
515
516 buflen = max(DIRBLKSIZ, uap->nbytes);
517 buflen = min(buflen, MAXBSIZE);
518 buf = malloc(buflen, M_TEMP, M_WAITOK);
519 vn_lock(vp, LK_SHARED | LK_RETRY);
520again:
521 aiov.iov_base = buf;
522 aiov.iov_len = buflen;
523 auio.uio_iov = &aiov;
524 auio.uio_iovcnt = 1;
525 auio.uio_rw = UIO_READ;
526 auio.uio_segflg = UIO_SYSSPACE;
527 auio.uio_td = td;
528 auio.uio_resid = buflen;
529 auio.uio_offset = off;
530
531 if (cookies) {
532 free(cookies, M_TEMP);
533 cookies = NULL;
534 }
535
536#ifdef MAC
537 error = mac_vnode_check_readdir(td->td_ucred, vp);
538 if (error)
539 goto out;
540#endif
541
542 /*
543 * First we read into the malloc'ed buffer, then
544 * we massage it into user space, one record at a time.
545 */
546 if ((error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag, &ncookies, &cookies)) != 0) {
547 DPRINTF(("VOP_READDIR failed: %d\n", error));
548 goto out;
549 }
550 inp = buf;
551 outp = uap->buf;
552 resid = uap->nbytes;
553 if ((len = buflen - auio.uio_resid) <= 0)
554 goto eof;
555
556 cookiep = cookies;
557
558 if (cookies) {
559 /*
560 * When using cookies, the vfs has the option of reading from
561 * a different offset than that supplied (UFS truncates the
562 * offset to a block boundary to make sure that it never reads
563 * partway through a directory entry, even if the directory
564 * has been compacted).
565 */
566 while (len > 0 && ncookies > 0 && *cookiep <= off) {
567 len -= BSD_DIRENT(inp)->d_reclen;
568 inp += BSD_DIRENT(inp)->d_reclen;
569 cookiep++;
570 ncookies--;
571 }
572 }
573
574 for (; len > 0 && resid > 0; len -= reclen) {
575 if (cookiep && ncookies == 0)
576 break;
577 reclen = BSD_DIRENT(inp)->d_reclen;
578 if (reclen & 3) {
579 printf("ibcs2_read: reclen=%d\n", reclen);
580 error = EFAULT;
581 goto out;
582 }
583 if (BSD_DIRENT(inp)->d_fileno == 0) {
584 inp += reclen; /* it is a hole; squish it out */
585 if (cookiep) {
586 off = *cookiep++;
587 ncookies--;
588 } else
589 off += reclen;
590 continue;
591 }
592 if (reclen > len || resid < sizeof(struct ibcs2_direct)) {
593 /* entry too big for buffer, so just stop */
594 outp++;
595 break;
596 }
597 /*
598 * Massage in place to make an iBCS2-shaped dirent (otherwise
599 * we have to worry about touching user memory outside of
600 * the copyout() call).
601 *
602 * TODO: if length(filename) > 14, then break filename into
603 * multiple entries and set inode = 0xffff except last
604 */
605 idb.ino = (BSD_DIRENT(inp)->d_fileno > 0xfffe) ? 0xfffe :
606 BSD_DIRENT(inp)->d_fileno;
607 (void)copystr(BSD_DIRENT(inp)->d_name, idb.name, 14, &size);
608 bzero(idb.name + size, 14 - size);
609 if ((error = copyout(&idb, outp, sizeof(struct ibcs2_direct))) != 0)
610 goto out;
611 /* advance past this real entry */
612 if (cookiep) {
613 off = *cookiep++;
614 ncookies--;
615 } else
616 off += reclen;
617 inp += reclen;
618 /* advance output past iBCS2-shaped entry */
619 outp += sizeof(struct ibcs2_direct);
620 resid -= sizeof(struct ibcs2_direct);
621 }
622 /* if we squished out the whole block, try again */
623 if (outp == uap->buf)
624 goto again;
625 fp->f_offset = off; /* update the vnode offset */
626eof:
627 td->td_retval[0] = uap->nbytes - resid;
628out:
629 VOP_UNLOCK(vp, 0);
630 VFS_UNLOCK_GIANT(vfslocked);
631 fdrop(fp, td);
632 if (cookies)
633 free(cookies, M_TEMP);
634 free(buf, M_TEMP);
635 return (error);
636}
637
638int
639ibcs2_mknod(td, uap)
640 struct thread *td;
641 struct ibcs2_mknod_args *uap;
642{
643 char *path;
644 int error;
645
646 CHECKALTCREAT(td, uap->path, &path);
647 if (S_ISFIFO(uap->mode))
648 error = kern_mkfifo(td, path, UIO_SYSSPACE, uap->mode);
649 else
650 error = kern_mknod(td, path, UIO_SYSSPACE, uap->mode, uap->dev);
651 free(path, M_TEMP);
652 return (error);
653}
654
655int
656ibcs2_getgroups(td, uap)
657 struct thread *td;
658 struct ibcs2_getgroups_args *uap;
659{
660 ibcs2_gid_t iset[NGROUPS_MAX];
661 gid_t gp[NGROUPS_MAX];
660 ibcs2_gid_t *iset;
661 gid_t *gp;
662 u_int i, ngrp;
663 int error;
664
665 if (uap->gidsetsize < 0)
666 return (EINVAL);
667 ngrp = MIN(uap->gidsetsize, NGROUPS_MAX);
662 u_int i, ngrp;
663 int error;
664
665 if (uap->gidsetsize < 0)
666 return (EINVAL);
667 ngrp = MIN(uap->gidsetsize, NGROUPS_MAX);
668 gp = malloc(ngrp * sizeof(*gp), M_TEMP, M_WAITOK);
668 error = kern_getgroups(td, &ngrp, gp);
669 if (error)
669 error = kern_getgroups(td, &ngrp, gp);
670 if (error)
670 return (error);
671 goto out;
671 if (uap->gidsetsize > 0) {
672 if (uap->gidsetsize > 0) {
673 iset = malloc(ngrp * sizeof(*iset), M_TEMP, M_WAITOK);
672 for (i = 0; i < ngrp; i++)
673 iset[i] = (ibcs2_gid_t)gp[i];
674 error = copyout(iset, uap->gidset, ngrp * sizeof(ibcs2_gid_t));
674 for (i = 0; i < ngrp; i++)
675 iset[i] = (ibcs2_gid_t)gp[i];
676 error = copyout(iset, uap->gidset, ngrp * sizeof(ibcs2_gid_t));
677 free(iset, M_TEMP);
675 }
676 if (error == 0)
677 td->td_retval[0] = ngrp;
678 }
679 if (error == 0)
680 td->td_retval[0] = ngrp;
681out:
682 free(gp, M_TEMP);
678 return (error);
679}
680
681int
682ibcs2_setgroups(td, uap)
683 struct thread *td;
684 struct ibcs2_setgroups_args *uap;
685{
683 return (error);
684}
685
686int
687ibcs2_setgroups(td, uap)
688 struct thread *td;
689 struct ibcs2_setgroups_args *uap;
690{
686 ibcs2_gid_t iset[NGROUPS_MAX];
687 gid_t gp[NGROUPS_MAX];
691 ibcs2_gid_t *iset;
692 gid_t *gp;
688 int error, i;
689
690 if (uap->gidsetsize < 0 || uap->gidsetsize > NGROUPS_MAX)
691 return (EINVAL);
693 int error, i;
694
695 if (uap->gidsetsize < 0 || uap->gidsetsize > NGROUPS_MAX)
696 return (EINVAL);
692 if (uap->gidsetsize && uap->gidset) {
697 if (uap->gidsetsize && uap->gidset == NULL)
698 return (EINVAL);
699 gp = malloc(uap->gidsetsize * sizeof(*gp), M_TEMP, M_WAITOK);
700 if (uap->gidsetsize) {
701 iset = malloc(uap->gidsetsize * sizeof(*iset), M_TEMP, M_WAITOK);
693 error = copyin(uap->gidset, iset, sizeof(ibcs2_gid_t) *
694 uap->gidsetsize);
702 error = copyin(uap->gidset, iset, sizeof(ibcs2_gid_t) *
703 uap->gidsetsize);
695 if (error)
696 return (error);
704 if (error) {
705 free(iset, M_TEMP);
706 goto out;
707 }
697 for (i = 0; i < uap->gidsetsize; i++)
698 gp[i] = (gid_t)iset[i];
699 }
708 for (i = 0; i < uap->gidsetsize; i++)
709 gp[i] = (gid_t)iset[i];
710 }
700 return (kern_setgroups(td, uap->gidsetsize, gp));
711
712 error = kern_setgroups(td, uap->gidsetsize, gp);
713out:
714 free(gp, M_TEMP);
715 return (error);
701}
702
703int
704ibcs2_setuid(td, uap)
705 struct thread *td;
706 struct ibcs2_setuid_args *uap;
707{
708 struct setuid_args sa;
709
710 sa.uid = (uid_t)uap->uid;
711 return setuid(td, &sa);
712}
713
714int
715ibcs2_setgid(td, uap)
716 struct thread *td;
717 struct ibcs2_setgid_args *uap;
718{
719 struct setgid_args sa;
720
721 sa.gid = (gid_t)uap->gid;
722 return setgid(td, &sa);
723}
724
725int
726ibcs2_time(td, uap)
727 struct thread *td;
728 struct ibcs2_time_args *uap;
729{
730 struct timeval tv;
731
732 microtime(&tv);
733 td->td_retval[0] = tv.tv_sec;
734 if (uap->tp)
735 return copyout((caddr_t)&tv.tv_sec, (caddr_t)uap->tp,
736 sizeof(ibcs2_time_t));
737 else
738 return 0;
739}
740
741int
742ibcs2_pathconf(td, uap)
743 struct thread *td;
744 struct ibcs2_pathconf_args *uap;
745{
746 char *path;
747 int error;
748
749 CHECKALTEXIST(td, uap->path, &path);
750 uap->name++; /* iBCS2 _PC_* defines are offset by one */
751 error = kern_pathconf(td, path, UIO_SYSSPACE, uap->name);
752 free(path, M_TEMP);
753 return (error);
754}
755
756int
757ibcs2_fpathconf(td, uap)
758 struct thread *td;
759 struct ibcs2_fpathconf_args *uap;
760{
761 uap->name++; /* iBCS2 _PC_* defines are offset by one */
762 return fpathconf(td, (struct fpathconf_args *)uap);
763}
764
765int
766ibcs2_sysconf(td, uap)
767 struct thread *td;
768 struct ibcs2_sysconf_args *uap;
769{
770 int mib[2], value, len, error;
771 struct proc *p;
772
773 p = td->td_proc;
774 switch(uap->name) {
775 case IBCS2_SC_ARG_MAX:
776 mib[1] = KERN_ARGMAX;
777 break;
778
779 case IBCS2_SC_CHILD_MAX:
780 PROC_LOCK(p);
781 td->td_retval[0] = lim_cur(td->td_proc, RLIMIT_NPROC);
782 PROC_UNLOCK(p);
783 return 0;
784
785 case IBCS2_SC_CLK_TCK:
786 td->td_retval[0] = hz;
787 return 0;
788
789 case IBCS2_SC_NGROUPS_MAX:
790 mib[1] = KERN_NGROUPS;
791 break;
792
793 case IBCS2_SC_OPEN_MAX:
794 PROC_LOCK(p);
795 td->td_retval[0] = lim_cur(td->td_proc, RLIMIT_NOFILE);
796 PROC_UNLOCK(p);
797 return 0;
798
799 case IBCS2_SC_JOB_CONTROL:
800 mib[1] = KERN_JOB_CONTROL;
801 break;
802
803 case IBCS2_SC_SAVED_IDS:
804 mib[1] = KERN_SAVED_IDS;
805 break;
806
807 case IBCS2_SC_VERSION:
808 mib[1] = KERN_POSIX1;
809 break;
810
811 case IBCS2_SC_PASS_MAX:
812 td->td_retval[0] = 128; /* XXX - should we create PASS_MAX ? */
813 return 0;
814
815 case IBCS2_SC_XOPEN_VERSION:
816 td->td_retval[0] = 2; /* XXX: What should that be? */
817 return 0;
818
819 default:
820 return EINVAL;
821 }
822
823 mib[0] = CTL_KERN;
824 len = sizeof(value);
825 error = kernel_sysctl(td, mib, 2, &value, &len, NULL, 0, NULL, 0);
826 if (error)
827 return error;
828 td->td_retval[0] = value;
829 return 0;
830}
831
832int
833ibcs2_alarm(td, uap)
834 struct thread *td;
835 struct ibcs2_alarm_args *uap;
836{
837 struct itimerval itv, oitv;
838 int error;
839
840 timevalclear(&itv.it_interval);
841 itv.it_value.tv_sec = uap->sec;
842 itv.it_value.tv_usec = 0;
843 error = kern_setitimer(td, ITIMER_REAL, &itv, &oitv);
844 if (error)
845 return (error);
846 if (oitv.it_value.tv_usec != 0)
847 oitv.it_value.tv_sec++;
848 td->td_retval[0] = oitv.it_value.tv_sec;
849 return (0);
850}
851
852int
853ibcs2_times(td, uap)
854 struct thread *td;
855 struct ibcs2_times_args *uap;
856{
857 struct rusage ru;
858 struct timeval t;
859 struct tms tms;
860 int error;
861
862#define CONVTCK(r) (r.tv_sec * hz + r.tv_usec / (1000000 / hz))
863
864 error = kern_getrusage(td, RUSAGE_SELF, &ru);
865 if (error)
866 return (error);
867 tms.tms_utime = CONVTCK(ru.ru_utime);
868 tms.tms_stime = CONVTCK(ru.ru_stime);
869
870 error = kern_getrusage(td, RUSAGE_CHILDREN, &ru);
871 if (error)
872 return (error);
873 tms.tms_cutime = CONVTCK(ru.ru_utime);
874 tms.tms_cstime = CONVTCK(ru.ru_stime);
875
876 microtime(&t);
877 td->td_retval[0] = CONVTCK(t);
878
879 return (copyout(&tms, uap->tp, sizeof(struct tms)));
880}
881
882int
883ibcs2_stime(td, uap)
884 struct thread *td;
885 struct ibcs2_stime_args *uap;
886{
887 struct timeval tv;
888 long secs;
889 int error;
890
891 error = copyin(uap->timep, &secs, sizeof(long));
892 if (error)
893 return (error);
894 tv.tv_sec = secs;
895 tv.tv_usec = 0;
896 error = kern_settimeofday(td, &tv, NULL);
897 if (error)
898 error = EPERM;
899 return (error);
900}
901
902int
903ibcs2_utime(td, uap)
904 struct thread *td;
905 struct ibcs2_utime_args *uap;
906{
907 struct ibcs2_utimbuf ubuf;
908 struct timeval tbuf[2], *tp;
909 char *path;
910 int error;
911
912 if (uap->buf) {
913 error = copyin(uap->buf, &ubuf, sizeof(ubuf));
914 if (error)
915 return (error);
916 tbuf[0].tv_sec = ubuf.actime;
917 tbuf[0].tv_usec = 0;
918 tbuf[1].tv_sec = ubuf.modtime;
919 tbuf[1].tv_usec = 0;
920 tp = tbuf;
921 } else
922 tp = NULL;
923
924 CHECKALTEXIST(td, uap->path, &path);
925 error = kern_utimes(td, path, UIO_SYSSPACE, tp, UIO_SYSSPACE);
926 free(path, M_TEMP);
927 return (error);
928}
929
930int
931ibcs2_nice(td, uap)
932 struct thread *td;
933 struct ibcs2_nice_args *uap;
934{
935 int error;
936 struct setpriority_args sa;
937
938 sa.which = PRIO_PROCESS;
939 sa.who = 0;
940 sa.prio = td->td_proc->p_nice + uap->incr;
941 if ((error = setpriority(td, &sa)) != 0)
942 return EPERM;
943 td->td_retval[0] = td->td_proc->p_nice;
944 return 0;
945}
946
947/*
948 * iBCS2 getpgrp, setpgrp, setsid, and setpgid
949 */
950
951int
952ibcs2_pgrpsys(td, uap)
953 struct thread *td;
954 struct ibcs2_pgrpsys_args *uap;
955{
956 struct proc *p = td->td_proc;
957 switch (uap->type) {
958 case 0: /* getpgrp */
959 PROC_LOCK(p);
960 td->td_retval[0] = p->p_pgrp->pg_id;
961 PROC_UNLOCK(p);
962 return 0;
963
964 case 1: /* setpgrp */
965 {
966 struct setpgid_args sa;
967
968 sa.pid = 0;
969 sa.pgid = 0;
970 setpgid(td, &sa);
971 PROC_LOCK(p);
972 td->td_retval[0] = p->p_pgrp->pg_id;
973 PROC_UNLOCK(p);
974 return 0;
975 }
976
977 case 2: /* setpgid */
978 {
979 struct setpgid_args sa;
980
981 sa.pid = uap->pid;
982 sa.pgid = uap->pgid;
983 return setpgid(td, &sa);
984 }
985
986 case 3: /* setsid */
987 return setsid(td, NULL);
988
989 default:
990 return EINVAL;
991 }
992}
993
994/*
995 * XXX - need to check for nested calls
996 */
997
998int
999ibcs2_plock(td, uap)
1000 struct thread *td;
1001 struct ibcs2_plock_args *uap;
1002{
1003 int error;
1004#define IBCS2_UNLOCK 0
1005#define IBCS2_PROCLOCK 1
1006#define IBCS2_TEXTLOCK 2
1007#define IBCS2_DATALOCK 4
1008
1009
1010 switch(uap->cmd) {
1011 case IBCS2_UNLOCK:
1012 error = priv_check(td, PRIV_VM_MUNLOCK);
1013 if (error)
1014 return (error);
1015 /* XXX - TODO */
1016 return (0);
1017
1018 case IBCS2_PROCLOCK:
1019 case IBCS2_TEXTLOCK:
1020 case IBCS2_DATALOCK:
1021 error = priv_check(td, PRIV_VM_MLOCK);
1022 if (error)
1023 return (error);
1024 /* XXX - TODO */
1025 return 0;
1026 }
1027 return EINVAL;
1028}
1029
1030int
1031ibcs2_uadmin(td, uap)
1032 struct thread *td;
1033 struct ibcs2_uadmin_args *uap;
1034{
1035#define SCO_A_REBOOT 1
1036#define SCO_A_SHUTDOWN 2
1037#define SCO_A_REMOUNT 4
1038#define SCO_A_CLOCK 8
1039#define SCO_A_SETCONFIG 128
1040#define SCO_A_GETDEV 130
1041
1042#define SCO_AD_HALT 0
1043#define SCO_AD_BOOT 1
1044#define SCO_AD_IBOOT 2
1045#define SCO_AD_PWRDOWN 3
1046#define SCO_AD_PWRNAP 4
1047
1048#define SCO_AD_PANICBOOT 1
1049
1050#define SCO_AD_GETBMAJ 0
1051#define SCO_AD_GETCMAJ 1
1052
1053 switch(uap->cmd) {
1054 case SCO_A_REBOOT:
1055 case SCO_A_SHUTDOWN:
1056 switch(uap->func) {
1057 struct reboot_args r;
1058 case SCO_AD_HALT:
1059 case SCO_AD_PWRDOWN:
1060 case SCO_AD_PWRNAP:
1061 r.opt = RB_HALT;
1062 return (reboot(td, &r));
1063 case SCO_AD_BOOT:
1064 case SCO_AD_IBOOT:
1065 r.opt = RB_AUTOBOOT;
1066 return (reboot(td, &r));
1067 }
1068 return EINVAL;
1069 case SCO_A_REMOUNT:
1070 case SCO_A_CLOCK:
1071 case SCO_A_SETCONFIG:
1072 return 0;
1073 case SCO_A_GETDEV:
1074 return EINVAL; /* XXX - TODO */
1075 }
1076 return EINVAL;
1077}
1078
1079int
1080ibcs2_sysfs(td, uap)
1081 struct thread *td;
1082 struct ibcs2_sysfs_args *uap;
1083{
1084#define IBCS2_GETFSIND 1
1085#define IBCS2_GETFSTYP 2
1086#define IBCS2_GETNFSTYP 3
1087
1088 switch(uap->cmd) {
1089 case IBCS2_GETFSIND:
1090 case IBCS2_GETFSTYP:
1091 case IBCS2_GETNFSTYP:
1092 break;
1093 }
1094 return EINVAL; /* XXX - TODO */
1095}
1096
1097int
1098ibcs2_unlink(td, uap)
1099 struct thread *td;
1100 struct ibcs2_unlink_args *uap;
1101{
1102 char *path;
1103 int error;
1104
1105 CHECKALTEXIST(td, uap->path, &path);
1106 error = kern_unlink(td, path, UIO_SYSSPACE);
1107 free(path, M_TEMP);
1108 return (error);
1109}
1110
1111int
1112ibcs2_chdir(td, uap)
1113 struct thread *td;
1114 struct ibcs2_chdir_args *uap;
1115{
1116 char *path;
1117 int error;
1118
1119 CHECKALTEXIST(td, uap->path, &path);
1120 error = kern_chdir(td, path, UIO_SYSSPACE);
1121 free(path, M_TEMP);
1122 return (error);
1123}
1124
1125int
1126ibcs2_chmod(td, uap)
1127 struct thread *td;
1128 struct ibcs2_chmod_args *uap;
1129{
1130 char *path;
1131 int error;
1132
1133 CHECKALTEXIST(td, uap->path, &path);
1134 error = kern_chmod(td, path, UIO_SYSSPACE, uap->mode);
1135 free(path, M_TEMP);
1136 return (error);
1137}
1138
1139int
1140ibcs2_chown(td, uap)
1141 struct thread *td;
1142 struct ibcs2_chown_args *uap;
1143{
1144 char *path;
1145 int error;
1146
1147 CHECKALTEXIST(td, uap->path, &path);
1148 error = kern_chown(td, path, UIO_SYSSPACE, uap->uid, uap->gid);
1149 free(path, M_TEMP);
1150 return (error);
1151}
1152
1153int
1154ibcs2_rmdir(td, uap)
1155 struct thread *td;
1156 struct ibcs2_rmdir_args *uap;
1157{
1158 char *path;
1159 int error;
1160
1161 CHECKALTEXIST(td, uap->path, &path);
1162 error = kern_rmdir(td, path, UIO_SYSSPACE);
1163 free(path, M_TEMP);
1164 return (error);
1165}
1166
1167int
1168ibcs2_mkdir(td, uap)
1169 struct thread *td;
1170 struct ibcs2_mkdir_args *uap;
1171{
1172 char *path;
1173 int error;
1174
1175 CHECKALTEXIST(td, uap->path, &path);
1176 error = kern_mkdir(td, path, UIO_SYSSPACE, uap->mode);
1177 free(path, M_TEMP);
1178 return (error);
1179}
1180
1181int
1182ibcs2_symlink(td, uap)
1183 struct thread *td;
1184 struct ibcs2_symlink_args *uap;
1185{
1186 char *path, *link;
1187 int error;
1188
1189 CHECKALTEXIST(td, uap->path, &path);
1190
1191 /*
1192 * Have to expand CHECKALTCREAT() so that 'path' can be freed on
1193 * errors.
1194 */
1195 error = ibcs2_emul_find(td, uap->link, UIO_USERSPACE, &link, 1);
1196 if (link == NULL) {
1197 free(path, M_TEMP);
1198 return (error);
1199 }
1200 error = kern_symlink(td, path, link, UIO_SYSSPACE);
1201 free(path, M_TEMP);
1202 free(link, M_TEMP);
1203 return (error);
1204}
1205
1206int
1207ibcs2_rename(td, uap)
1208 struct thread *td;
1209 struct ibcs2_rename_args *uap;
1210{
1211 char *from, *to;
1212 int error;
1213
1214 CHECKALTEXIST(td, uap->from, &from);
1215
1216 /*
1217 * Have to expand CHECKALTCREAT() so that 'from' can be freed on
1218 * errors.
1219 */
1220 error = ibcs2_emul_find(td, uap->to, UIO_USERSPACE, &to, 1);
1221 if (to == NULL) {
1222 free(from, M_TEMP);
1223 return (error);
1224 }
1225 error = kern_rename(td, from, to, UIO_SYSSPACE);
1226 free(from, M_TEMP);
1227 free(to, M_TEMP);
1228 return (error);
1229}
1230
1231int
1232ibcs2_readlink(td, uap)
1233 struct thread *td;
1234 struct ibcs2_readlink_args *uap;
1235{
1236 char *path;
1237 int error;
1238
1239 CHECKALTEXIST(td, uap->path, &path);
1240 error = kern_readlink(td, path, UIO_SYSSPACE, uap->buf, UIO_USERSPACE,
1241 uap->count);
1242 free(path, M_TEMP);
1243 return (error);
1244}
716}
717
718int
719ibcs2_setuid(td, uap)
720 struct thread *td;
721 struct ibcs2_setuid_args *uap;
722{
723 struct setuid_args sa;
724
725 sa.uid = (uid_t)uap->uid;
726 return setuid(td, &sa);
727}
728
729int
730ibcs2_setgid(td, uap)
731 struct thread *td;
732 struct ibcs2_setgid_args *uap;
733{
734 struct setgid_args sa;
735
736 sa.gid = (gid_t)uap->gid;
737 return setgid(td, &sa);
738}
739
740int
741ibcs2_time(td, uap)
742 struct thread *td;
743 struct ibcs2_time_args *uap;
744{
745 struct timeval tv;
746
747 microtime(&tv);
748 td->td_retval[0] = tv.tv_sec;
749 if (uap->tp)
750 return copyout((caddr_t)&tv.tv_sec, (caddr_t)uap->tp,
751 sizeof(ibcs2_time_t));
752 else
753 return 0;
754}
755
756int
757ibcs2_pathconf(td, uap)
758 struct thread *td;
759 struct ibcs2_pathconf_args *uap;
760{
761 char *path;
762 int error;
763
764 CHECKALTEXIST(td, uap->path, &path);
765 uap->name++; /* iBCS2 _PC_* defines are offset by one */
766 error = kern_pathconf(td, path, UIO_SYSSPACE, uap->name);
767 free(path, M_TEMP);
768 return (error);
769}
770
771int
772ibcs2_fpathconf(td, uap)
773 struct thread *td;
774 struct ibcs2_fpathconf_args *uap;
775{
776 uap->name++; /* iBCS2 _PC_* defines are offset by one */
777 return fpathconf(td, (struct fpathconf_args *)uap);
778}
779
780int
781ibcs2_sysconf(td, uap)
782 struct thread *td;
783 struct ibcs2_sysconf_args *uap;
784{
785 int mib[2], value, len, error;
786 struct proc *p;
787
788 p = td->td_proc;
789 switch(uap->name) {
790 case IBCS2_SC_ARG_MAX:
791 mib[1] = KERN_ARGMAX;
792 break;
793
794 case IBCS2_SC_CHILD_MAX:
795 PROC_LOCK(p);
796 td->td_retval[0] = lim_cur(td->td_proc, RLIMIT_NPROC);
797 PROC_UNLOCK(p);
798 return 0;
799
800 case IBCS2_SC_CLK_TCK:
801 td->td_retval[0] = hz;
802 return 0;
803
804 case IBCS2_SC_NGROUPS_MAX:
805 mib[1] = KERN_NGROUPS;
806 break;
807
808 case IBCS2_SC_OPEN_MAX:
809 PROC_LOCK(p);
810 td->td_retval[0] = lim_cur(td->td_proc, RLIMIT_NOFILE);
811 PROC_UNLOCK(p);
812 return 0;
813
814 case IBCS2_SC_JOB_CONTROL:
815 mib[1] = KERN_JOB_CONTROL;
816 break;
817
818 case IBCS2_SC_SAVED_IDS:
819 mib[1] = KERN_SAVED_IDS;
820 break;
821
822 case IBCS2_SC_VERSION:
823 mib[1] = KERN_POSIX1;
824 break;
825
826 case IBCS2_SC_PASS_MAX:
827 td->td_retval[0] = 128; /* XXX - should we create PASS_MAX ? */
828 return 0;
829
830 case IBCS2_SC_XOPEN_VERSION:
831 td->td_retval[0] = 2; /* XXX: What should that be? */
832 return 0;
833
834 default:
835 return EINVAL;
836 }
837
838 mib[0] = CTL_KERN;
839 len = sizeof(value);
840 error = kernel_sysctl(td, mib, 2, &value, &len, NULL, 0, NULL, 0);
841 if (error)
842 return error;
843 td->td_retval[0] = value;
844 return 0;
845}
846
847int
848ibcs2_alarm(td, uap)
849 struct thread *td;
850 struct ibcs2_alarm_args *uap;
851{
852 struct itimerval itv, oitv;
853 int error;
854
855 timevalclear(&itv.it_interval);
856 itv.it_value.tv_sec = uap->sec;
857 itv.it_value.tv_usec = 0;
858 error = kern_setitimer(td, ITIMER_REAL, &itv, &oitv);
859 if (error)
860 return (error);
861 if (oitv.it_value.tv_usec != 0)
862 oitv.it_value.tv_sec++;
863 td->td_retval[0] = oitv.it_value.tv_sec;
864 return (0);
865}
866
867int
868ibcs2_times(td, uap)
869 struct thread *td;
870 struct ibcs2_times_args *uap;
871{
872 struct rusage ru;
873 struct timeval t;
874 struct tms tms;
875 int error;
876
877#define CONVTCK(r) (r.tv_sec * hz + r.tv_usec / (1000000 / hz))
878
879 error = kern_getrusage(td, RUSAGE_SELF, &ru);
880 if (error)
881 return (error);
882 tms.tms_utime = CONVTCK(ru.ru_utime);
883 tms.tms_stime = CONVTCK(ru.ru_stime);
884
885 error = kern_getrusage(td, RUSAGE_CHILDREN, &ru);
886 if (error)
887 return (error);
888 tms.tms_cutime = CONVTCK(ru.ru_utime);
889 tms.tms_cstime = CONVTCK(ru.ru_stime);
890
891 microtime(&t);
892 td->td_retval[0] = CONVTCK(t);
893
894 return (copyout(&tms, uap->tp, sizeof(struct tms)));
895}
896
897int
898ibcs2_stime(td, uap)
899 struct thread *td;
900 struct ibcs2_stime_args *uap;
901{
902 struct timeval tv;
903 long secs;
904 int error;
905
906 error = copyin(uap->timep, &secs, sizeof(long));
907 if (error)
908 return (error);
909 tv.tv_sec = secs;
910 tv.tv_usec = 0;
911 error = kern_settimeofday(td, &tv, NULL);
912 if (error)
913 error = EPERM;
914 return (error);
915}
916
917int
918ibcs2_utime(td, uap)
919 struct thread *td;
920 struct ibcs2_utime_args *uap;
921{
922 struct ibcs2_utimbuf ubuf;
923 struct timeval tbuf[2], *tp;
924 char *path;
925 int error;
926
927 if (uap->buf) {
928 error = copyin(uap->buf, &ubuf, sizeof(ubuf));
929 if (error)
930 return (error);
931 tbuf[0].tv_sec = ubuf.actime;
932 tbuf[0].tv_usec = 0;
933 tbuf[1].tv_sec = ubuf.modtime;
934 tbuf[1].tv_usec = 0;
935 tp = tbuf;
936 } else
937 tp = NULL;
938
939 CHECKALTEXIST(td, uap->path, &path);
940 error = kern_utimes(td, path, UIO_SYSSPACE, tp, UIO_SYSSPACE);
941 free(path, M_TEMP);
942 return (error);
943}
944
945int
946ibcs2_nice(td, uap)
947 struct thread *td;
948 struct ibcs2_nice_args *uap;
949{
950 int error;
951 struct setpriority_args sa;
952
953 sa.which = PRIO_PROCESS;
954 sa.who = 0;
955 sa.prio = td->td_proc->p_nice + uap->incr;
956 if ((error = setpriority(td, &sa)) != 0)
957 return EPERM;
958 td->td_retval[0] = td->td_proc->p_nice;
959 return 0;
960}
961
962/*
963 * iBCS2 getpgrp, setpgrp, setsid, and setpgid
964 */
965
966int
967ibcs2_pgrpsys(td, uap)
968 struct thread *td;
969 struct ibcs2_pgrpsys_args *uap;
970{
971 struct proc *p = td->td_proc;
972 switch (uap->type) {
973 case 0: /* getpgrp */
974 PROC_LOCK(p);
975 td->td_retval[0] = p->p_pgrp->pg_id;
976 PROC_UNLOCK(p);
977 return 0;
978
979 case 1: /* setpgrp */
980 {
981 struct setpgid_args sa;
982
983 sa.pid = 0;
984 sa.pgid = 0;
985 setpgid(td, &sa);
986 PROC_LOCK(p);
987 td->td_retval[0] = p->p_pgrp->pg_id;
988 PROC_UNLOCK(p);
989 return 0;
990 }
991
992 case 2: /* setpgid */
993 {
994 struct setpgid_args sa;
995
996 sa.pid = uap->pid;
997 sa.pgid = uap->pgid;
998 return setpgid(td, &sa);
999 }
1000
1001 case 3: /* setsid */
1002 return setsid(td, NULL);
1003
1004 default:
1005 return EINVAL;
1006 }
1007}
1008
1009/*
1010 * XXX - need to check for nested calls
1011 */
1012
1013int
1014ibcs2_plock(td, uap)
1015 struct thread *td;
1016 struct ibcs2_plock_args *uap;
1017{
1018 int error;
1019#define IBCS2_UNLOCK 0
1020#define IBCS2_PROCLOCK 1
1021#define IBCS2_TEXTLOCK 2
1022#define IBCS2_DATALOCK 4
1023
1024
1025 switch(uap->cmd) {
1026 case IBCS2_UNLOCK:
1027 error = priv_check(td, PRIV_VM_MUNLOCK);
1028 if (error)
1029 return (error);
1030 /* XXX - TODO */
1031 return (0);
1032
1033 case IBCS2_PROCLOCK:
1034 case IBCS2_TEXTLOCK:
1035 case IBCS2_DATALOCK:
1036 error = priv_check(td, PRIV_VM_MLOCK);
1037 if (error)
1038 return (error);
1039 /* XXX - TODO */
1040 return 0;
1041 }
1042 return EINVAL;
1043}
1044
1045int
1046ibcs2_uadmin(td, uap)
1047 struct thread *td;
1048 struct ibcs2_uadmin_args *uap;
1049{
1050#define SCO_A_REBOOT 1
1051#define SCO_A_SHUTDOWN 2
1052#define SCO_A_REMOUNT 4
1053#define SCO_A_CLOCK 8
1054#define SCO_A_SETCONFIG 128
1055#define SCO_A_GETDEV 130
1056
1057#define SCO_AD_HALT 0
1058#define SCO_AD_BOOT 1
1059#define SCO_AD_IBOOT 2
1060#define SCO_AD_PWRDOWN 3
1061#define SCO_AD_PWRNAP 4
1062
1063#define SCO_AD_PANICBOOT 1
1064
1065#define SCO_AD_GETBMAJ 0
1066#define SCO_AD_GETCMAJ 1
1067
1068 switch(uap->cmd) {
1069 case SCO_A_REBOOT:
1070 case SCO_A_SHUTDOWN:
1071 switch(uap->func) {
1072 struct reboot_args r;
1073 case SCO_AD_HALT:
1074 case SCO_AD_PWRDOWN:
1075 case SCO_AD_PWRNAP:
1076 r.opt = RB_HALT;
1077 return (reboot(td, &r));
1078 case SCO_AD_BOOT:
1079 case SCO_AD_IBOOT:
1080 r.opt = RB_AUTOBOOT;
1081 return (reboot(td, &r));
1082 }
1083 return EINVAL;
1084 case SCO_A_REMOUNT:
1085 case SCO_A_CLOCK:
1086 case SCO_A_SETCONFIG:
1087 return 0;
1088 case SCO_A_GETDEV:
1089 return EINVAL; /* XXX - TODO */
1090 }
1091 return EINVAL;
1092}
1093
1094int
1095ibcs2_sysfs(td, uap)
1096 struct thread *td;
1097 struct ibcs2_sysfs_args *uap;
1098{
1099#define IBCS2_GETFSIND 1
1100#define IBCS2_GETFSTYP 2
1101#define IBCS2_GETNFSTYP 3
1102
1103 switch(uap->cmd) {
1104 case IBCS2_GETFSIND:
1105 case IBCS2_GETFSTYP:
1106 case IBCS2_GETNFSTYP:
1107 break;
1108 }
1109 return EINVAL; /* XXX - TODO */
1110}
1111
1112int
1113ibcs2_unlink(td, uap)
1114 struct thread *td;
1115 struct ibcs2_unlink_args *uap;
1116{
1117 char *path;
1118 int error;
1119
1120 CHECKALTEXIST(td, uap->path, &path);
1121 error = kern_unlink(td, path, UIO_SYSSPACE);
1122 free(path, M_TEMP);
1123 return (error);
1124}
1125
1126int
1127ibcs2_chdir(td, uap)
1128 struct thread *td;
1129 struct ibcs2_chdir_args *uap;
1130{
1131 char *path;
1132 int error;
1133
1134 CHECKALTEXIST(td, uap->path, &path);
1135 error = kern_chdir(td, path, UIO_SYSSPACE);
1136 free(path, M_TEMP);
1137 return (error);
1138}
1139
1140int
1141ibcs2_chmod(td, uap)
1142 struct thread *td;
1143 struct ibcs2_chmod_args *uap;
1144{
1145 char *path;
1146 int error;
1147
1148 CHECKALTEXIST(td, uap->path, &path);
1149 error = kern_chmod(td, path, UIO_SYSSPACE, uap->mode);
1150 free(path, M_TEMP);
1151 return (error);
1152}
1153
1154int
1155ibcs2_chown(td, uap)
1156 struct thread *td;
1157 struct ibcs2_chown_args *uap;
1158{
1159 char *path;
1160 int error;
1161
1162 CHECKALTEXIST(td, uap->path, &path);
1163 error = kern_chown(td, path, UIO_SYSSPACE, uap->uid, uap->gid);
1164 free(path, M_TEMP);
1165 return (error);
1166}
1167
1168int
1169ibcs2_rmdir(td, uap)
1170 struct thread *td;
1171 struct ibcs2_rmdir_args *uap;
1172{
1173 char *path;
1174 int error;
1175
1176 CHECKALTEXIST(td, uap->path, &path);
1177 error = kern_rmdir(td, path, UIO_SYSSPACE);
1178 free(path, M_TEMP);
1179 return (error);
1180}
1181
1182int
1183ibcs2_mkdir(td, uap)
1184 struct thread *td;
1185 struct ibcs2_mkdir_args *uap;
1186{
1187 char *path;
1188 int error;
1189
1190 CHECKALTEXIST(td, uap->path, &path);
1191 error = kern_mkdir(td, path, UIO_SYSSPACE, uap->mode);
1192 free(path, M_TEMP);
1193 return (error);
1194}
1195
1196int
1197ibcs2_symlink(td, uap)
1198 struct thread *td;
1199 struct ibcs2_symlink_args *uap;
1200{
1201 char *path, *link;
1202 int error;
1203
1204 CHECKALTEXIST(td, uap->path, &path);
1205
1206 /*
1207 * Have to expand CHECKALTCREAT() so that 'path' can be freed on
1208 * errors.
1209 */
1210 error = ibcs2_emul_find(td, uap->link, UIO_USERSPACE, &link, 1);
1211 if (link == NULL) {
1212 free(path, M_TEMP);
1213 return (error);
1214 }
1215 error = kern_symlink(td, path, link, UIO_SYSSPACE);
1216 free(path, M_TEMP);
1217 free(link, M_TEMP);
1218 return (error);
1219}
1220
1221int
1222ibcs2_rename(td, uap)
1223 struct thread *td;
1224 struct ibcs2_rename_args *uap;
1225{
1226 char *from, *to;
1227 int error;
1228
1229 CHECKALTEXIST(td, uap->from, &from);
1230
1231 /*
1232 * Have to expand CHECKALTCREAT() so that 'from' can be freed on
1233 * errors.
1234 */
1235 error = ibcs2_emul_find(td, uap->to, UIO_USERSPACE, &to, 1);
1236 if (to == NULL) {
1237 free(from, M_TEMP);
1238 return (error);
1239 }
1240 error = kern_rename(td, from, to, UIO_SYSSPACE);
1241 free(from, M_TEMP);
1242 free(to, M_TEMP);
1243 return (error);
1244}
1245
1246int
1247ibcs2_readlink(td, uap)
1248 struct thread *td;
1249 struct ibcs2_readlink_args *uap;
1250{
1251 char *path;
1252 int error;
1253
1254 CHECKALTEXIST(td, uap->path, &path);
1255 error = kern_readlink(td, path, UIO_SYSSPACE, uap->buf, UIO_USERSPACE,
1256 uap->count);
1257 free(path, M_TEMP);
1258 return (error);
1259}