Home | History | Annotate | Line # | Download | only in ultrix
ultrix_misc.c revision 1.1
      1 /*
      2  * Copyright (c) 1992, 1993
      3  *	The Regents of the University of California.  All rights reserved.
      4  *
      5  * This software was developed by the Computer Systems Engineering group
      6  * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
      7  * contributed to Berkeley.
      8  *
      9  * All advertising materials mentioning features or use of this software
     10  * must display the following acknowledgement:
     11  *	This product includes software developed by the University of
     12  *	California, Lawrence Berkeley Laboratory.
     13  *
     14  * Redistribution and use in source and binary forms, with or without
     15  * modification, are permitted provided that the following conditions
     16  * are met:
     17  * 1. Redistributions of source code must retain the above copyright
     18  *    notice, this list of conditions and the following disclaimer.
     19  * 2. Redistributions in binary form must reproduce the above copyright
     20  *    notice, this list of conditions and the following disclaimer in the
     21  *    documentation and/or other materials provided with the distribution.
     22  * 3. All advertising materials mentioning features or use of this software
     23  *    must display the following acknowledgement:
     24  *	This product includes software developed by the University of
     25  *	California, Berkeley and its contributors.
     26  * 4. Neither the name of the University nor the names of its contributors
     27  *    may be used to endorse or promote products derived from this software
     28  *    without specific prior written permission.
     29  *
     30  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     31  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     32  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     33  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     34  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     35  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     36  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     37  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     38  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     39  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     40  * SUCH DAMAGE.
     41  *
     42  *	@(#)sun_misc.c	8.1 (Berkeley) 6/18/93
     43  *
     44  * from: Header: sun_misc.c,v 1.16 93/04/07 02:46:27 torek Exp
     45  * $Id: ultrix_misc.c,v 1.1 1994/06/02 06:25:40 glass Exp $
     46  */
     47 
     48 /*
     49  * SunOS compatibility module.
     50  *
     51  * SunOS system calls that are implemented differently in BSD are
     52  * handled here.
     53  */
     54 
     55 #include <sys/param.h>
     56 #include <sys/systm.h>
     57 #include <sys/namei.h>
     58 #include <ufs/dir.h>
     59 #include <sys/proc.h>
     60 #include <sys/file.h>
     61 #include <sys/stat.h>
     62 #include <sys/filedesc.h>
     63 #include <sys/ioctl.h>
     64 #include <sys/kernel.h>
     65 #include <sys/exec.h>
     66 #include <sys/malloc.h>
     67 #include <sys/mbuf.h>
     68 #include <sys/mman.h>
     69 #include <sys/mount.h>
     70 #include <sys/resource.h>
     71 #include <sys/resourcevar.h>
     72 #include <sys/signal.h>
     73 #include <sys/signalvar.h>
     74 #include <sys/socket.h>
     75 #include <sys/vnode.h>
     76 #include <sys/uio.h>
     77 #include <sys/wait.h>
     78 #include <sys/utsname.h>
     79 #include <sys/unistd.h>
     80 
     81 #include <netinet/in.h>
     82 
     83 #include <miscfs/specfs/specdev.h>
     84 
     85 #include <vm/vm.h>
     86 
     87 struct ultrix_waitpid_args {
     88 	int	pid;
     89 	int	*status;
     90 	int	options;
     91 	struct	rusage *rusage;
     92 };
     93 ultrix_waitpid(p, uap, retval)
     94 	struct proc *p;
     95 	struct ultrix_waitpid_args *uap;
     96 	int *retval;
     97 {
     98 
     99 	uap->rusage = 0;
    100 	return (wait4(p, uap, retval));
    101 }
    102 struct sun_wait4_args {
    103 	int	pid;
    104 	int	*status;
    105 	int	options;
    106 	struct	rusage *rusage;
    107 };
    108 sun_wait4(p, uap, retval)
    109 	struct proc *p;
    110 	struct sun_wait4_args *uap;
    111 	int *retval;
    112 {
    113 
    114 	if (uap->pid == 0)
    115 		uap->pid = WAIT_ANY;
    116 	return (wait4(p, uap, retval));
    117 }
    118 
    119 struct sun_creat_args {
    120 	char	*fname;
    121 	int	fmode;
    122 };
    123 sun_creat(p, uap, retval)
    124 	struct proc *p;
    125 	struct sun_creat_args *uap;
    126 	int *retval;
    127 {
    128 	struct args {
    129 		char	*fname;
    130 		int	mode;
    131 		int	crtmode;
    132 	} openuap;
    133 
    134 	openuap.fname = uap->fname;
    135 	openuap.crtmode = uap->fmode;
    136 	openuap.mode = O_WRONLY | O_CREAT | O_TRUNC;
    137 	return (open(p, &openuap, retval));
    138 }
    139 
    140 struct sun_execv_args {
    141 	char	*fname;
    142 	char	**argp;
    143 	char	**envp;		/* pseudo */
    144 };
    145 sun_execv(p, uap, retval)
    146 	struct proc *p;
    147 	struct sun_execv_args *uap;
    148 	int *retval;
    149 {
    150 
    151 	uap->envp = NULL;
    152 	return (execve(p, uap, retval));
    153 }
    154 
    155 struct sun_omsync_args {
    156 	caddr_t	addr;
    157 	int	len;
    158 	int	flags;
    159 };
    160 sun_omsync(p, uap, retval)
    161 	struct proc *p;
    162 	struct sun_omsync_args *uap;
    163 	int *retval;
    164 {
    165 
    166 	if (uap->flags)
    167 		return (EINVAL);
    168 	return (msync(p, uap, retval));
    169 }
    170 
    171 struct sun_unmount_args {
    172 	char	*name;
    173 	int	flags;	/* pseudo */
    174 };
    175 sun_unmount(p, uap, retval)
    176 	struct proc *p;
    177 	struct sun_unmount_args *uap;
    178 	int *retval;
    179 {
    180 
    181 	uap->flags = 0;
    182 	return (unmount(p, uap, retval));
    183 }
    184 
    185 #define	SUNM_RDONLY	0x01	/* mount fs read-only */
    186 #define	SUNM_NOSUID	0x02	/* mount fs with setuid disallowed */
    187 #define	SUNM_NEWTYPE	0x04	/* type is string (char *), not int */
    188 #define	SUNM_GRPID	0x08	/* (bsd semantics; ignored) */
    189 #define	SUNM_REMOUNT	0x10	/* update existing mount */
    190 #define	SUNM_NOSUB	0x20	/* prevent submounts (rejected) */
    191 #define	SUNM_MULTI	0x40	/* (ignored) */
    192 #define	SUNM_SYS5	0x80	/* Sys 5-specific semantics (rejected) */
    193 
    194 struct	sun_nfs_args {
    195 	struct	sockaddr_in *addr;	/* file server address */
    196 	caddr_t	fh;			/* file handle to be mounted */
    197 	int	flags;			/* flags */
    198 	int	wsize;			/* write size in bytes */
    199 	int	rsize;			/* read size in bytes */
    200 	int	timeo;			/* initial timeout in .1 secs */
    201 	int	retrans;		/* times to retry send */
    202 	char	*hostname;		/* server's hostname */
    203 	int	acregmin;		/* attr cache file min secs */
    204 	int	acregmax;		/* attr cache file max secs */
    205 	int	acdirmin;		/* attr cache dir min secs */
    206 	int	acdirmax;		/* attr cache dir max secs */
    207 	char	*netname;		/* server's netname */
    208 	struct	pathcnf *pathconf;	/* static pathconf kludge */
    209 };
    210 
    211 struct sun_mount_args {
    212 	char	*type;
    213 	char	*dir;
    214 	int	flags;
    215 	caddr_t	data;
    216 };
    217 sun_mount(p, uap, retval)
    218 	struct proc *p;
    219 	struct sun_mount_args *uap;
    220 	int *retval;
    221 {
    222 	int oflags = uap->flags, nflags, error;
    223 	extern char sigcode[], esigcode[];
    224 	char fsname[MFSNAMELEN];
    225 
    226 #define	szsigcode	(esigcode - sigcode)
    227 
    228 	if (oflags & (SUNM_NOSUB | SUNM_SYS5))
    229 		return (EINVAL);
    230 	if ((oflags & SUNM_NEWTYPE) == 0)
    231 		return (EINVAL);
    232 	nflags = 0;
    233 	if (oflags & SUNM_RDONLY)
    234 		nflags |= MNT_RDONLY;
    235 	if (oflags & SUNM_NOSUID)
    236 		nflags |= MNT_NOSUID;
    237 	if (oflags & SUNM_REMOUNT)
    238 		nflags |= MNT_UPDATE;
    239 	uap->flags = nflags;
    240 
    241 	if (error = copyinstr((caddr_t)uap->type, fsname, sizeof fsname, (u_int *)0))
    242 		return (error);
    243 
    244 	if (strcmp(fsname, "4.2") == 0) {
    245 		uap->type = (caddr_t)ALIGN(PS_STRINGS - szsigcode - STACKGAPLEN);
    246 		if (error = copyout("ufs", uap->type, sizeof("ufs")))
    247 			return (error);
    248 	} else if (strcmp(fsname, "nfs") == 0) {
    249 		struct sun_nfs_args sna;
    250 		struct sockaddr_in sain;
    251 		struct nfs_args na;
    252 		struct sockaddr sa;
    253 
    254 		if (error = copyin(uap->data, &sna, sizeof sna))
    255 			return (error);
    256 		if (error = copyin(sna.addr, &sain, sizeof sain))
    257 			return (error);
    258 		bcopy(&sain, &sa, sizeof sa);
    259 		sa.sa_len = sizeof(sain);
    260 		uap->data = (caddr_t)ALIGN(PS_STRINGS - szsigcode - STACKGAPLEN);
    261 		na.addr = (struct sockaddr *)((int)uap->data + sizeof na);
    262 		na.sotype = SOCK_DGRAM;
    263 		na.proto = IPPROTO_UDP;
    264 		na.fh = (nfsv2fh_t *)sna.fh;
    265 		na.flags = sna.flags;
    266 		na.wsize = sna.wsize;
    267 		na.rsize = sna.rsize;
    268 		na.timeo = sna.timeo;
    269 		na.retrans = sna.retrans;
    270 		na.hostname = sna.hostname;
    271 
    272 		if (error = copyout(&sa, na.addr, sizeof sa))
    273 			return (error);
    274 		if (error = copyout(&na, uap->data, sizeof na))
    275 			return (error);
    276 	}
    277 	return (mount(p, uap, retval));
    278 }
    279 
    280 struct sun_sigpending_args {
    281 	int	*mask;
    282 };
    283 sun_sigpending(p, uap, retval)
    284 	struct proc *p;
    285 	struct sun_sigpending_args *uap;
    286 	int *retval;
    287 {
    288 	int mask = p->p_siglist & p->p_sigmask;
    289 
    290 	return (copyout((caddr_t)&mask, (caddr_t)uap->mask, sizeof(int)));
    291 }
    292 
    293 /* XXX: Temporary until sys/dir.h, include/dirent.h and sys/dirent.h are fixed */
    294 struct dirent {
    295 	u_long	d_fileno;		/* file number of entry */
    296 	u_short	d_reclen;		/* length of this record */
    297 	u_short	d_namlen;		/* length of string in d_name */
    298 	char	d_name[255 + 1];	/* name must be no longer than this */
    299 };
    300 
    301 /*
    302  * Here is the sun layout.  (Compare the BSD layout in <sys/dirent.h>.)
    303  * We can assume big-endian, so the BSD d_type field is just the high
    304  * byte of the SunOS d_namlen field, after adjusting for the extra "long".
    305  */
    306 struct sun_dirent {
    307 	long	d_off;
    308 	u_long	d_fileno;
    309 	u_short	d_reclen;
    310 	u_short	d_namlen;
    311 	char	d_name[256];
    312 };
    313 
    314 /*
    315  * Read Sun-style directory entries.  We suck them into kernel space so
    316  * that they can be massaged before being copied out to user code.  Like
    317  * SunOS, we squish out `empty' entries.
    318  *
    319  * This is quite ugly, but what do you expect from compatibility code?
    320  */
    321 struct sun_getdents_args {
    322 	int	fd;
    323 	char	*buf;
    324 	int	nbytes;
    325 };
    326 sun_getdents(p, uap, retval)
    327 	struct proc *p;
    328 	register struct sun_getdents_args *uap;
    329 	int *retval;
    330 {
    331 	register struct vnode *vp;
    332 	register caddr_t inp, buf;	/* BSD-format */
    333 	register int len, reclen;	/* BSD-format */
    334 	register caddr_t outp;		/* Sun-format */
    335 	register int resid;		/* Sun-format */
    336 	struct file *fp;
    337 	struct uio auio;
    338 	struct iovec aiov;
    339 	off_t off;			/* true file offset */
    340 	long soff;			/* Sun file offset */
    341 	int buflen, error, eofflag;
    342 #define	BSD_DIRENT(cp) ((struct dirent *)(cp))
    343 #define	SUN_RECLEN(reclen) (reclen + sizeof(long))
    344 
    345 	if ((error = getvnode(p->p_fd, uap->fd, &fp)) != 0)
    346 		return (error);
    347 	if ((fp->f_flag & FREAD) == 0)
    348 		return (EBADF);
    349 	vp = (struct vnode *)fp->f_data;
    350 	if (vp->v_type != VDIR)	/* XXX  vnode readdir op should do this */
    351 		return (EINVAL);
    352 	buflen = min(MAXBSIZE, uap->nbytes);
    353 	buf = malloc(buflen, M_TEMP, M_WAITOK);
    354 	VOP_LOCK(vp);
    355 	off = fp->f_offset;
    356 again:
    357 	aiov.iov_base = buf;
    358 	aiov.iov_len = buflen;
    359 	auio.uio_iov = &aiov;
    360 	auio.uio_iovcnt = 1;
    361 	auio.uio_rw = UIO_READ;
    362 	auio.uio_segflg = UIO_SYSSPACE;
    363 	auio.uio_procp = p;
    364 	auio.uio_resid = buflen;
    365 	auio.uio_offset = off;
    366 	/*
    367 	 * First we read into the malloc'ed buffer, then
    368 	 * we massage it into user space, one record at a time.
    369 	 */
    370 	if (error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag, NULL, 0))
    371 		goto out;
    372 	inp = buf;
    373 	outp = uap->buf;
    374 	resid = uap->nbytes;
    375 	if ((len = buflen - auio.uio_resid) == 0)
    376 		goto eof;
    377 	for (; len > 0; len -= reclen) {
    378 		reclen = ((struct dirent *)inp)->d_reclen;
    379 		if (reclen & 3)
    380 			panic("sun_getdents");
    381 		off += reclen;		/* each entry points to next */
    382 		if (BSD_DIRENT(inp)->d_fileno == 0) {
    383 			inp += reclen;	/* it is a hole; squish it out */
    384 			continue;
    385 		}
    386 		if (reclen > len || resid < SUN_RECLEN(reclen)) {
    387 			/* entry too big for buffer, so just stop */
    388 			outp++;
    389 			break;
    390 		}
    391 		/*
    392 		 * Massage in place to make a Sun-shaped dirent (otherwise
    393 		 * we have to worry about touching user memory outside of
    394 		 * the copyout() call).
    395 		 */
    396 		BSD_DIRENT(inp)->d_reclen = SUN_RECLEN(reclen);
    397 #if notdef
    398 		BSD_DIRENT(inp)->d_type = 0; 	/* 4.4 specific */
    399 #endif
    400 		soff = off;
    401 		if ((error = copyout((caddr_t)&soff, outp, sizeof soff)) != 0 ||
    402 		    (error = copyout(inp, outp + sizeof soff, reclen)) != 0)
    403 			goto out;
    404 		/* advance past this real entry */
    405 		inp += reclen;
    406 		/* advance output past Sun-shaped entry */
    407 		outp += SUN_RECLEN(reclen);
    408 		resid -= SUN_RECLEN(reclen);
    409 	}
    410 	/* if we squished out the whole block, try again */
    411 	if (outp == uap->buf)
    412 		goto again;
    413 	fp->f_offset = off;		/* update the vnode offset */
    414 eof:
    415 	*retval = uap->nbytes - resid;
    416 out:
    417 	VOP_UNLOCK(vp);
    418 	free(buf, M_TEMP);
    419 	return (error);
    420 }
    421 
    422 #define	SUN__MAP_NEW	0x80000000	/* if not, old mmap & cannot handle */
    423 
    424 struct sun_mmap_args {
    425 	caddr_t	addr;
    426 	size_t	len;
    427 	int	prot;
    428 	int	flags;
    429 	int	fd;
    430 	long	off;		/* not off_t! */
    431 	off_t	qoff;		/* created here and fed to mmap() */
    432 };
    433 sun_mmap(p, uap, retval)
    434 	register struct proc *p;
    435 	register struct sun_mmap_args *uap;
    436 	int *retval;
    437 {
    438 	register struct filedesc *fdp;
    439 	register struct file *fp;
    440 	register struct vnode *vp;
    441 
    442 	/*
    443 	 * Verify the arguments.
    444 	 */
    445 	if (uap->prot & ~(PROT_READ|PROT_WRITE|PROT_EXEC))
    446 		return (EINVAL);			/* XXX still needed? */
    447 
    448 	if ((uap->flags & SUN__MAP_NEW) == 0)
    449 		return (EINVAL);
    450 	uap->flags &= ~SUN__MAP_NEW;
    451 
    452 	if ((uap->flags & MAP_FIXED) == 0 &&
    453 		uap->addr != 0 &&
    454 		uap->addr < (caddr_t)round_page(p->p_vmspace->vm_daddr+MAXDSIZ))
    455 		uap->addr = (caddr_t)round_page(p->p_vmspace->vm_daddr+MAXDSIZ);
    456 
    457 	/*
    458 	 * Special case: if fd refers to /dev/zero, map as MAP_ANON.  (XXX)
    459 	 */
    460 	fdp = p->p_fd;
    461 	if ((unsigned)uap->fd < fdp->fd_nfiles &&			/*XXX*/
    462 	    (fp = fdp->fd_ofiles[uap->fd]) != NULL &&			/*XXX*/
    463 	    fp->f_type == DTYPE_VNODE &&				/*XXX*/
    464 	    (vp = (struct vnode *)fp->f_data)->v_type == VCHR &&	/*XXX*/
    465 	    iszerodev(vp->v_rdev)) {					/*XXX*/
    466 		uap->flags |= MAP_ANON;
    467 		uap->fd = -1;
    468 	}
    469 
    470 	uap->qoff = uap->off;
    471 	return (mmap(p, uap, retval));
    472 }
    473 
    474 #define	MC_SYNC		1
    475 #define	MC_LOCK		2
    476 #define	MC_UNLOCK	3
    477 #define	MC_ADVISE	4
    478 #define	MC_LOCKAS	5
    479 #define	MC_UNLOCKAS	6
    480 
    481 struct sun_mctl_args {
    482 	caddr_t	addr;
    483 	size_t	len;
    484 	int	func;
    485 	void	*arg;
    486 };
    487 sun_mctl(p, uap, retval)
    488 	register struct proc *p;
    489 	register struct sun_mctl_args *uap;
    490 	int *retval;
    491 {
    492 
    493 	switch (uap->func) {
    494 
    495 	case MC_ADVISE:		/* ignore for now */
    496 		return (0);
    497 
    498 	case MC_SYNC:		/* translate to msync */
    499 		return (msync(p, uap, retval));
    500 
    501 	default:
    502 		return (EINVAL);
    503 	}
    504 }
    505 
    506 struct sun_setsockopt_args {
    507 	int	s;
    508 	int	level;
    509 	int	name;
    510 	caddr_t	val;
    511 	int	valsize;
    512 };
    513 sun_setsockopt(p, uap, retval)
    514 	struct proc *p;
    515 	register struct sun_setsockopt_args *uap;
    516 	int *retval;
    517 {
    518 	struct file *fp;
    519 	struct mbuf *m = NULL;
    520 	int error;
    521 
    522 	if (error = getsock(p->p_fd, uap->s, &fp))
    523 		return (error);
    524 #define	SO_DONTLINGER (~SO_LINGER)
    525 	if (uap->name == SO_DONTLINGER) {
    526 		m = m_get(M_WAIT, MT_SOOPTS);
    527 		if (m == NULL)
    528 			return (ENOBUFS);
    529 		mtod(m, struct linger *)->l_onoff = 0;
    530 		m->m_len = sizeof(struct linger);
    531 		return (sosetopt((struct socket *)fp->f_data, uap->level,
    532 		    SO_LINGER, m));
    533 	}
    534 	if (uap->valsize > MLEN)
    535 		return (EINVAL);
    536 	if (uap->val) {
    537 		m = m_get(M_WAIT, MT_SOOPTS);
    538 		if (m == NULL)
    539 			return (ENOBUFS);
    540 		if (error = copyin(uap->val, mtod(m, caddr_t),
    541 		    (u_int)uap->valsize)) {
    542 			(void) m_free(m);
    543 			return (error);
    544 		}
    545 		m->m_len = uap->valsize;
    546 	}
    547 	return (sosetopt((struct socket *)fp->f_data, uap->level,
    548 	    uap->name, m));
    549 }
    550 
    551 struct sun_fchroot_args {
    552 	int	fdes;
    553 };
    554 sun_fchroot(p, uap, retval)
    555 	register struct proc *p;
    556 	register struct sun_fchroot_args *uap;
    557 	int *retval;
    558 {
    559 	register struct filedesc *fdp = p->p_fd;
    560 	register struct vnode *vp;
    561 	struct file *fp;
    562 	int error;
    563 
    564 	if ((error = suser(p->p_ucred, &p->p_acflag)) != 0)
    565 		return (error);
    566 	if ((error = getvnode(fdp, uap->fdes, &fp)) != 0)
    567 		return (error);
    568 	vp = (struct vnode *)fp->f_data;
    569 	VOP_LOCK(vp);
    570 	if (vp->v_type != VDIR)
    571 		error = ENOTDIR;
    572 	else
    573 		error = VOP_ACCESS(vp, VEXEC, p->p_ucred, p);
    574 	VOP_UNLOCK(vp);
    575 	if (error)
    576 		return (error);
    577 	VREF(vp);
    578 	if (fdp->fd_rdir != NULL)
    579 		vrele(fdp->fd_rdir);
    580 	fdp->fd_rdir = vp;
    581 	return (0);
    582 }
    583 
    584 /*
    585  * XXX: This needs cleaning up.
    586  */
    587 sun_auditsys(...)
    588 {
    589 	return 0;
    590 }
    591 
    592 struct sun_utsname {
    593 	char    sysname[9];
    594 	char    nodename[9];
    595 	char    nodeext[65-9];
    596 	char    release[9];
    597 	char    version[9];
    598 	char    machine[9];
    599 };
    600 
    601 struct sun_uname_args {
    602 	struct sun_utsname *name;
    603 };
    604 sun_uname(p, uap, retval)
    605 	struct proc *p;
    606 	struct sun_uname_args *uap;
    607 	int *retval;
    608 {
    609 	struct sun_utsname sut;
    610 	extern char ostype[], machine[], osrelease[];
    611 
    612 	bzero(&sut, sizeof(sut));
    613 
    614 	bcopy(ostype, sut.sysname, sizeof(sut.sysname) - 1);
    615 	bcopy(hostname, sut.nodename, sizeof(sut.nodename));
    616 	sut.nodename[sizeof(sut.nodename)-1] = '\0';
    617 	bcopy(osrelease, sut.release, sizeof(sut.release) - 1);
    618 	bcopy("1", sut.version, sizeof(sut.version) - 1);
    619 	bcopy(machine, sut.machine, sizeof(sut.machine) - 1);
    620 
    621 	return copyout((caddr_t)&sut, (caddr_t)uap->name, sizeof(struct sun_utsname));
    622 }
    623 
    624 struct sun_setpgid_args {
    625 	int	pid;	/* target process id */
    626 	int	pgid;	/* target pgrp id */
    627 };
    628 int
    629 sun_setpgid(p, uap, retval)
    630 	struct proc *p;
    631 	struct sun_setpgid_args *uap;
    632 	int *retval;
    633 {
    634 	/*
    635 	 * difference to our setpgid call is to include backwards
    636 	 * compatibility to pre-setsid() binaries. Do setsid()
    637 	 * instead of setpgid() in those cases where the process
    638 	 * tries to create a new session the old way.
    639 	 */
    640 	if (!uap->pgid && (!uap->pid || uap->pid == p->p_pid))
    641 		return setsid(p, uap, retval);
    642 	else
    643 		return setpgid(p, uap, retval);
    644 }
    645 
    646 struct sun_open_args {
    647 	char	*fname;
    648 	int	fmode;
    649 	int	crtmode;
    650 };
    651 sun_open(p, uap, retval)
    652 	struct proc *p;
    653 	struct sun_open_args *uap;
    654 	int *retval;
    655 {
    656 	int l, r;
    657 	int noctty = uap->fmode & 0x8000;
    658 	int ret;
    659 
    660 	/* convert mode into NetBSD mode */
    661 	l = uap->fmode;
    662 	r =	(l & (0x0001 | 0x0002 | 0x0008 | 0x0040 | 0x0200 | 0x0400 | 0x0800));
    663 	r |=	((l & (0x0004 | 0x1000 | 0x4000)) ? O_NONBLOCK : 0);
    664 	r |=	((l & 0x0080) ? O_SHLOCK : 0);
    665 	r |=	((l & 0x0100) ? O_EXLOCK : 0);
    666 	r |=	((l & 0x2000) ? O_FSYNC : 0);
    667 
    668 	uap->fmode = r;
    669 	ret = open(p, uap, retval);
    670 
    671 	if (!ret && !noctty && SESS_LEADER(p) && !(p->p_flag & P_CONTROLT)) {
    672 		struct filedesc *fdp = p->p_fd;
    673 		struct file *fp = fdp->fd_ofiles[*retval];
    674 
    675 		/* ignore any error, just give it a try */
    676 		if (fp->f_type == DTYPE_VNODE)
    677 			(fp->f_ops->fo_ioctl)(fp, TIOCSCTTY, (caddr_t) 0, p);
    678 	}
    679 	return ret;
    680 }
    681 
    682 #if defined (NFSSERVER)
    683 struct nfssvc_args {
    684 	int	fd;
    685 	caddr_t mskval;
    686 	int msklen;
    687 	caddr_t mtchval;
    688 	int mtchlen;
    689 };
    690 struct sun_nfssvc_args {
    691 	int	fd;
    692 };
    693 sun_nfssvc(p, uap, retval)
    694 	struct proc *p;
    695 	struct sun_nfssvc_args *uap;
    696 	int *retval;
    697 {
    698 	struct nfssvc_args outuap;
    699 	struct sockaddr sa;
    700 	int error;
    701 	extern char sigcode[], esigcode[];
    702 
    703 	bzero(&outuap, sizeof outuap);
    704 	outuap.fd = uap->fd;
    705 	outuap.mskval = (caddr_t)ALIGN(PS_STRINGS - szsigcode - STACKGAPLEN);
    706 	outuap.msklen = sizeof sa;
    707 	outuap.mtchval = outuap.mskval + sizeof sa;
    708 	outuap.mtchlen = sizeof sa;
    709 
    710 	bzero(&sa, sizeof sa);
    711 	if (error = copyout(&sa, outuap.mskval, outuap.msklen))
    712 		return (error);
    713 	if (error = copyout(&sa, outuap.mtchval, outuap.mtchlen))
    714 		return (error);
    715 
    716 	return nfssvc(p, &outuap, retval);
    717 }
    718 #endif /* NFSSERVER */
    719 
    720 struct sun_ustat {
    721 	daddr_t	f_tfree;	/* total free */
    722 	ino_t	f_tinode;	/* total inodes free */
    723 	char	f_fname[6];	/* filsys name */
    724 	char	f_fpack[6];	/* filsys pack name */
    725 };
    726 struct sun_ustat_args {
    727 	int	dev;
    728 	struct	sun_ustat *buf;
    729 };
    730 sun_ustat(p, uap, retval)
    731 	struct proc *p;
    732 	struct sun_ustat_args *uap;
    733 	int *retval;
    734 {
    735 	struct sun_ustat us;
    736 	int error;
    737 
    738 	bzero(&us, sizeof us);
    739 
    740 	/*
    741 	 * XXX: should set f_tfree and f_tinode at least
    742 	 * How do we translate dev -> fstat? (and then to sun_ustat)
    743 	 */
    744 
    745 	if (error = copyout(&us, uap->buf, sizeof us))
    746 		return (error);
    747 	return 0;
    748 }
    749 
    750 struct sun_quotactl_args {
    751 	int	cmd;
    752 	char	*special;
    753 	int	uid;
    754 	caddr_t	addr;
    755 };
    756 sun_quotactl(p, uap, retval)
    757 	struct proc *p;
    758 	struct sun_quotactl_args *uap;
    759 	int *retval;
    760 {
    761 	return EINVAL;
    762 }
    763 
    764 sun_vhangup(p, uap, retval)
    765 	struct proc *p;
    766 	void *uap;
    767 	int *retval;
    768 {
    769 	return 0;
    770 }
    771 
    772 struct sun_statfs {
    773 	long	f_type;		/* type of info, zero for now */
    774 	long	f_bsize;	/* fundamental file system block size */
    775 	long	f_blocks;	/* total blocks in file system */
    776 	long	f_bfree;	/* free blocks */
    777 	long	f_bavail;	/* free blocks available to non-super-user */
    778 	long	f_files;	/* total file nodes in file system */
    779 	long	f_ffree;	/* free file nodes in fs */
    780 	fsid_t	f_fsid;		/* file system id */
    781 	long	f_spare[7];	/* spare for later */
    782 };
    783 static
    784 sunstatfs(sp, buf)
    785 	struct statfs *sp;
    786 	caddr_t buf;
    787 {
    788 	struct sun_statfs ssfs;
    789 
    790 	bzero(&ssfs, sizeof ssfs);
    791 	ssfs.f_type = 0;
    792 	ssfs.f_bsize = sp->f_bsize;
    793 	ssfs.f_blocks = sp->f_blocks;
    794 	ssfs.f_bfree = sp->f_bfree;
    795 	ssfs.f_bavail = sp->f_bavail;
    796 	ssfs.f_files = sp->f_files;
    797 	ssfs.f_ffree = sp->f_ffree;
    798 	ssfs.f_fsid = sp->f_fsid;
    799 	return copyout((caddr_t)&ssfs, buf, sizeof ssfs);
    800 }
    801 
    802 struct sun_statfs_args {
    803 	char	*path;
    804 	struct	sun_statfs *buf;
    805 };
    806 sun_statfs(p, uap, retval)
    807 	struct proc *p;
    808 	struct sun_statfs_args *uap;
    809 	int *retval;
    810 {
    811 	register struct mount *mp;
    812 	register struct nameidata *ndp;
    813 	register struct statfs *sp;
    814 	int error;
    815 	struct nameidata nd;
    816 
    817 	ndp = &nd;
    818 	ndp->ni_nameiop = LOOKUP | FOLLOW;
    819 	ndp->ni_segflg = UIO_USERSPACE;
    820 	ndp->ni_dirp = uap->path;
    821 	if (error = namei(ndp, p))
    822 		return (error);
    823 	mp = ndp->ni_vp->v_mount;
    824 	sp = &mp->mnt_stat;
    825 	vrele(ndp->ni_vp);
    826 	if (error = VFS_STATFS(mp, sp, p))
    827 		return (error);
    828 	sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK;
    829 	return sunstatfs(sp, (caddr_t)uap->buf);
    830 }
    831 
    832 struct sun_fstatfs_args {
    833 	int	fd;
    834 	struct	sun_statfs *buf;
    835 };
    836 sun_fstatfs(p, uap, retval)
    837 	struct proc *p;
    838 	struct sun_fstatfs_args *uap;
    839 	int *retval;
    840 {
    841 	struct file *fp;
    842 	struct mount *mp;
    843 	register struct statfs *sp;
    844 	int error;
    845 
    846 	if (error = getvnode(p->p_fd, uap->fd, &fp))
    847 		return (error);
    848 	mp = ((struct vnode *)fp->f_data)->v_mount;
    849 	sp = &mp->mnt_stat;
    850 	if (error = VFS_STATFS(mp, sp, p))
    851 		return (error);
    852 	sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK;
    853 	return sunstatfs(sp, (caddr_t)uap->buf);
    854 }
    855 
    856 struct sun_exportfs_args {
    857 	char	*path;
    858 	char	*ex;			/* struct sun_export * */
    859 };
    860 sun_exportfs(p, uap, retval)
    861 	struct proc *p;
    862 	struct sun_exportfs_args *uap;
    863 	int *retval;
    864 {
    865 	/*
    866 	 * XXX: should perhaps translate into a mount(2)
    867 	 * with MOUNT_EXPORT?
    868 	 */
    869 	return 0;
    870 }
    871 
    872 struct sun_mknod_args {
    873 	char	*fname;
    874 	int	fmode;
    875 	int	dev;
    876 };
    877 
    878 sun_mknod(p, uap, retval)
    879 	struct proc *p;
    880 	struct sun_mknod_args *uap;
    881 	int *retval;
    882 {
    883 	if (S_ISFIFO(uap->fmode))
    884 		return mkfifo(p, uap, retval);
    885 
    886 	return mknod(p, uap, retval);
    887 }
    888 
    889 #define SUN_SC_ARG_MAX		1
    890 #define SUN_SC_CHILD_MAX	2
    891 #define SUN_SC_CLK_TCK		3
    892 #define SUN_SC_NGROUPS_MAX	4
    893 #define SUN_SC_OPEN_MAX		5
    894 #define SUN_SC_JOB_CONTROL	6
    895 #define SUN_SC_SAVED_IDS	7
    896 #define SUN_SC_VERSION		8
    897 
    898 struct sun_sysconf_args {
    899 	int	name;
    900 };
    901 
    902 sun_sysconf(p, uap, retval)
    903 	struct proc *p;
    904 	struct sun_sysconf_args *uap;
    905 	int *retval;
    906 {
    907 	extern int maxfiles;
    908 
    909 	switch(uap->name) {
    910 	case SUN_SC_ARG_MAX:
    911 		*retval = ARG_MAX;
    912 		break;
    913 	case SUN_SC_CHILD_MAX:
    914 		*retval = maxproc;
    915 		break;
    916 	case SUN_SC_CLK_TCK:
    917 		*retval = 60;		/* should this be `hz', ie. 100? */
    918 		break;
    919 	case SUN_SC_NGROUPS_MAX:
    920 		*retval = NGROUPS_MAX;
    921 		break;
    922 	case SUN_SC_OPEN_MAX:
    923 		*retval = maxfiles;
    924 		break;
    925 	case SUN_SC_JOB_CONTROL:
    926 		*retval = 1;
    927 		break;
    928 	case SUN_SC_SAVED_IDS:
    929 #ifdef _POSIX_SAVED_IDS
    930 		*retval = 1;
    931 #else
    932 		*retval = 0;
    933 #endif
    934 		break;
    935 	case SUN_SC_VERSION:
    936 		*retval = 198808;
    937 		break;
    938 	default:
    939 		return EINVAL;
    940 	}
    941 	return 0;
    942 }
    943 
    944 #define SUN_RLIMIT_NOFILE	6	/* Other RLIMIT_* are the same */
    945 #define SUN_RLIM_NLIMITS	7
    946 
    947 struct sun_getrlimit_args {
    948 	int	which;
    949 	struct	orlimit *rlp;
    950 };
    951 
    952 sun_getrlimit(p, uap, retval)
    953 	struct proc *p;
    954 	struct sun_getrlimit_args *uap;
    955 	int *retval;
    956 {
    957 	if (uap->which >= SUN_RLIM_NLIMITS)
    958 		return EINVAL;
    959 
    960 	if (uap->which == SUN_RLIMIT_NOFILE)
    961 		uap->which = RLIMIT_NOFILE;
    962 
    963 	return ogetrlimit(p, uap, retval);
    964 }
    965 
    966 struct sun_setrlimit_args {
    967 	int	which;
    968 	struct	orlimit *rlp;
    969 };
    970 
    971 sun_setrlimit(p, uap, retval)
    972 	struct proc *p;
    973 	struct sun_getrlimit_args *uap;
    974 	int *retval;
    975 {
    976 	if (uap->which >= SUN_RLIM_NLIMITS)
    977 		return EINVAL;
    978 
    979 	if (uap->which == SUN_RLIMIT_NOFILE)
    980 		uap->which = RLIMIT_NOFILE;
    981 
    982 	return osetrlimit(p, uap, retval);
    983 }
    984