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ultrix_misc.c revision 1.2
      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 1.2 1994/06/15 05:18:10 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 	int compat;
    108 };
    109 sun_wait4(p, uap, retval)
    110 	struct proc *p;
    111 	struct sun_wait4_args *uap;
    112 	int *retval;
    113 {
    114 
    115 	if (uap->pid == 0)
    116 		uap->pid = WAIT_ANY;
    117 	return (wait4(p, uap, retval));
    118 }
    119 
    120 struct sun_wait3_args {
    121 	int	*status;
    122 	int	options;
    123 	struct	rusage *rusage;
    124 };
    125 
    126 sun_wait3(p, uap, retval)
    127 	struct proc *p;
    128 	struct sun_wait3_args *uap;
    129 	int *retval;
    130 {
    131 	struct sun_wait4_args ua;
    132 
    133 	if (uap == NULL)
    134 		panic("uap == NULL");
    135 	ua.pid = -1;
    136 	ua.status = uap->status;
    137 	ua.options = uap->options;
    138 	ua.rusage = uap->rusage;
    139 
    140 	return (wait4(p, &ua, retval));
    141 }
    142 
    143 struct sun_creat_args {
    144 	char	*fname;
    145 	int	fmode;
    146 };
    147 sun_creat(p, uap, retval)
    148 	struct proc *p;
    149 	struct sun_creat_args *uap;
    150 	int *retval;
    151 {
    152 	struct args {
    153 		char	*fname;
    154 		int	mode;
    155 		int	crtmode;
    156 	} openuap;
    157 
    158 	openuap.fname = uap->fname;
    159 	openuap.crtmode = uap->fmode;
    160 	openuap.mode = O_WRONLY | O_CREAT | O_TRUNC;
    161 	return (open(p, &openuap, retval));
    162 }
    163 
    164 struct sun_execv_args {
    165 	char	*fname;
    166 	char	**argp;
    167 	char	**envp;		/* pseudo */
    168 };
    169 sun_execv(p, uap, retval)
    170 	struct proc *p;
    171 	struct sun_execv_args *uap;
    172 	int *retval;
    173 {
    174 
    175 	uap->envp = NULL;
    176 	return (execve(p, uap, retval));
    177 }
    178 
    179 struct sun_omsync_args {
    180 	caddr_t	addr;
    181 	int	len;
    182 	int	flags;
    183 };
    184 sun_omsync(p, uap, retval)
    185 	struct proc *p;
    186 	struct sun_omsync_args *uap;
    187 	int *retval;
    188 {
    189 
    190 	if (uap->flags)
    191 		return (EINVAL);
    192 	return (msync(p, uap, retval));
    193 }
    194 
    195 struct sun_unmount_args {
    196 	char	*name;
    197 	int	flags;	/* pseudo */
    198 };
    199 sun_unmount(p, uap, retval)
    200 	struct proc *p;
    201 	struct sun_unmount_args *uap;
    202 	int *retval;
    203 {
    204 
    205 	uap->flags = 0;
    206 	return (unmount(p, uap, retval));
    207 }
    208 
    209 #define	SUNM_RDONLY	0x01	/* mount fs read-only */
    210 #define	SUNM_NOSUID	0x02	/* mount fs with setuid disallowed */
    211 #define	SUNM_NEWTYPE	0x04	/* type is string (char *), not int */
    212 #define	SUNM_GRPID	0x08	/* (bsd semantics; ignored) */
    213 #define	SUNM_REMOUNT	0x10	/* update existing mount */
    214 #define	SUNM_NOSUB	0x20	/* prevent submounts (rejected) */
    215 #define	SUNM_MULTI	0x40	/* (ignored) */
    216 #define	SUNM_SYS5	0x80	/* Sys 5-specific semantics (rejected) */
    217 
    218 struct	sun_nfs_args {
    219 	struct	sockaddr_in *addr;	/* file server address */
    220 	caddr_t	fh;			/* file handle to be mounted */
    221 	int	flags;			/* flags */
    222 	int	wsize;			/* write size in bytes */
    223 	int	rsize;			/* read size in bytes */
    224 	int	timeo;			/* initial timeout in .1 secs */
    225 	int	retrans;		/* times to retry send */
    226 	char	*hostname;		/* server's hostname */
    227 	int	acregmin;		/* attr cache file min secs */
    228 	int	acregmax;		/* attr cache file max secs */
    229 	int	acdirmin;		/* attr cache dir min secs */
    230 	int	acdirmax;		/* attr cache dir max secs */
    231 	char	*netname;		/* server's netname */
    232 	struct	pathcnf *pathconf;	/* static pathconf kludge */
    233 };
    234 
    235 struct sun_mount_args {
    236 	char	*type;
    237 	char	*dir;
    238 	int	flags;
    239 	caddr_t	data;
    240 };
    241 sun_mount(p, uap, retval)
    242 	struct proc *p;
    243 	struct sun_mount_args *uap;
    244 	int *retval;
    245 {
    246 	int oflags = uap->flags, nflags, error;
    247 	extern char sigcode[], esigcode[];
    248 	char fsname[MFSNAMELEN];
    249 
    250 #define	szsigcode	(esigcode - sigcode)
    251 
    252 	if (oflags & (SUNM_NOSUB | SUNM_SYS5))
    253 		return (EINVAL);
    254 	if ((oflags & SUNM_NEWTYPE) == 0)
    255 		return (EINVAL);
    256 	nflags = 0;
    257 	if (oflags & SUNM_RDONLY)
    258 		nflags |= MNT_RDONLY;
    259 	if (oflags & SUNM_NOSUID)
    260 		nflags |= MNT_NOSUID;
    261 	if (oflags & SUNM_REMOUNT)
    262 		nflags |= MNT_UPDATE;
    263 	uap->flags = nflags;
    264 
    265 	if (error = copyinstr((caddr_t)uap->type, fsname, sizeof fsname, (u_int *)0))
    266 		return (error);
    267 
    268 	if (strcmp(fsname, "4.2") == 0) {
    269 		uap->type = (caddr_t)ALIGN(PS_STRINGS - szsigcode - STACKGAPLEN);
    270 		if (error = copyout("ufs", uap->type, sizeof("ufs")))
    271 			return (error);
    272 	} else if (strcmp(fsname, "nfs") == 0) {
    273 		struct sun_nfs_args sna;
    274 		struct sockaddr_in sain;
    275 		struct nfs_args na;
    276 		struct sockaddr sa;
    277 
    278 		if (error = copyin(uap->data, &sna, sizeof sna))
    279 			return (error);
    280 		if (error = copyin(sna.addr, &sain, sizeof sain))
    281 			return (error);
    282 		bcopy(&sain, &sa, sizeof sa);
    283 		sa.sa_len = sizeof(sain);
    284 		uap->data = (caddr_t)ALIGN(PS_STRINGS - szsigcode - STACKGAPLEN);
    285 		na.addr = (struct sockaddr *)((int)uap->data + sizeof na);
    286 		na.sotype = SOCK_DGRAM;
    287 		na.proto = IPPROTO_UDP;
    288 		na.fh = (nfsv2fh_t *)sna.fh;
    289 		na.flags = sna.flags;
    290 		na.wsize = sna.wsize;
    291 		na.rsize = sna.rsize;
    292 		na.timeo = sna.timeo;
    293 		na.retrans = sna.retrans;
    294 		na.hostname = sna.hostname;
    295 
    296 		if (error = copyout(&sa, na.addr, sizeof sa))
    297 			return (error);
    298 		if (error = copyout(&na, uap->data, sizeof na))
    299 			return (error);
    300 	}
    301 	return (mount(p, uap, retval));
    302 }
    303 
    304 struct sun_sigpending_args {
    305 	int	*mask;
    306 };
    307 sun_sigpending(p, uap, retval)
    308 	struct proc *p;
    309 	struct sun_sigpending_args *uap;
    310 	int *retval;
    311 {
    312 	int mask = p->p_siglist & p->p_sigmask;
    313 
    314 	return (copyout((caddr_t)&mask, (caddr_t)uap->mask, sizeof(int)));
    315 }
    316 
    317 /* XXX: Temporary until sys/dir.h, include/dirent.h and sys/dirent.h are fixed */
    318 struct dirent {
    319 	u_long	d_fileno;		/* file number of entry */
    320 	u_short	d_reclen;		/* length of this record */
    321 	u_short	d_namlen;		/* length of string in d_name */
    322 	char	d_name[255 + 1];	/* name must be no longer than this */
    323 };
    324 
    325 /*
    326  * Here is the sun layout.  (Compare the BSD layout in <sys/dirent.h>.)
    327  * We can assume big-endian, so the BSD d_type field is just the high
    328  * byte of the SunOS d_namlen field, after adjusting for the extra "long".
    329  */
    330 struct sun_dirent {
    331 	long	d_off;
    332 	u_long	d_fileno;
    333 	u_short	d_reclen;
    334 	u_short	d_namlen;
    335 	char	d_name[256];
    336 };
    337 
    338 /*
    339  * Read Sun-style directory entries.  We suck them into kernel space so
    340  * that they can be massaged before being copied out to user code.  Like
    341  * SunOS, we squish out `empty' entries.
    342  *
    343  * This is quite ugly, but what do you expect from compatibility code?
    344  */
    345 struct sun_getdents_args {
    346 	int	fd;
    347 	char	*buf;
    348 	int	nbytes;
    349 };
    350 sun_getdents(p, uap, retval)
    351 	struct proc *p;
    352 	register struct sun_getdents_args *uap;
    353 	int *retval;
    354 {
    355 	register struct vnode *vp;
    356 	register caddr_t inp, buf;	/* BSD-format */
    357 	register int len, reclen;	/* BSD-format */
    358 	register caddr_t outp;		/* Sun-format */
    359 	register int resid;		/* Sun-format */
    360 	struct file *fp;
    361 	struct uio auio;
    362 	struct iovec aiov;
    363 	off_t off;			/* true file offset */
    364 	long soff;			/* Sun file offset */
    365 	int buflen, error, eofflag;
    366 #define	BSD_DIRENT(cp) ((struct dirent *)(cp))
    367 #define	SUN_RECLEN(reclen) (reclen + sizeof(long))
    368 
    369 	if ((error = getvnode(p->p_fd, uap->fd, &fp)) != 0)
    370 		return (error);
    371 	if ((fp->f_flag & FREAD) == 0)
    372 		return (EBADF);
    373 	vp = (struct vnode *)fp->f_data;
    374 	if (vp->v_type != VDIR)	/* XXX  vnode readdir op should do this */
    375 		return (EINVAL);
    376 	buflen = min(MAXBSIZE, uap->nbytes);
    377 	buf = malloc(buflen, M_TEMP, M_WAITOK);
    378 	VOP_LOCK(vp);
    379 	off = fp->f_offset;
    380 again:
    381 	aiov.iov_base = buf;
    382 	aiov.iov_len = buflen;
    383 	auio.uio_iov = &aiov;
    384 	auio.uio_iovcnt = 1;
    385 	auio.uio_rw = UIO_READ;
    386 	auio.uio_segflg = UIO_SYSSPACE;
    387 	auio.uio_procp = p;
    388 	auio.uio_resid = buflen;
    389 	auio.uio_offset = off;
    390 	/*
    391 	 * First we read into the malloc'ed buffer, then
    392 	 * we massage it into user space, one record at a time.
    393 	 */
    394 	if (error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag, NULL, 0))
    395 		goto out;
    396 	inp = buf;
    397 	outp = uap->buf;
    398 	resid = uap->nbytes;
    399 	if ((len = buflen - auio.uio_resid) == 0)
    400 		goto eof;
    401 	for (; len > 0; len -= reclen) {
    402 		reclen = ((struct dirent *)inp)->d_reclen;
    403 		if (reclen & 3)
    404 			panic("sun_getdents");
    405 		off += reclen;		/* each entry points to next */
    406 		if (BSD_DIRENT(inp)->d_fileno == 0) {
    407 			inp += reclen;	/* it is a hole; squish it out */
    408 			continue;
    409 		}
    410 		if (reclen > len || resid < SUN_RECLEN(reclen)) {
    411 			/* entry too big for buffer, so just stop */
    412 			outp++;
    413 			break;
    414 		}
    415 		/*
    416 		 * Massage in place to make a Sun-shaped dirent (otherwise
    417 		 * we have to worry about touching user memory outside of
    418 		 * the copyout() call).
    419 		 */
    420 		BSD_DIRENT(inp)->d_reclen = SUN_RECLEN(reclen);
    421 #if notdef
    422 		BSD_DIRENT(inp)->d_type = 0; 	/* 4.4 specific */
    423 #endif
    424 		soff = off;
    425 		if ((error = copyout((caddr_t)&soff, outp, sizeof soff)) != 0 ||
    426 		    (error = copyout(inp, outp + sizeof soff, reclen)) != 0)
    427 			goto out;
    428 		/* advance past this real entry */
    429 		inp += reclen;
    430 		/* advance output past Sun-shaped entry */
    431 		outp += SUN_RECLEN(reclen);
    432 		resid -= SUN_RECLEN(reclen);
    433 	}
    434 	/* if we squished out the whole block, try again */
    435 	if (outp == uap->buf)
    436 		goto again;
    437 	fp->f_offset = off;		/* update the vnode offset */
    438 eof:
    439 	*retval = uap->nbytes - resid;
    440 out:
    441 	VOP_UNLOCK(vp);
    442 	free(buf, M_TEMP);
    443 	return (error);
    444 }
    445 
    446 #define	SUN__MAP_NEW	0x80000000	/* if not, old mmap & cannot handle */
    447 
    448 struct sun_mmap_args {
    449 	caddr_t	addr;
    450 	size_t	len;
    451 	int	prot;
    452 	int	flags;
    453 	int	fd;
    454 	long	off;		/* not off_t! */
    455 	off_t	qoff;		/* created here and fed to mmap() */
    456 };
    457 sun_mmap(p, uap, retval)
    458 	register struct proc *p;
    459 	register struct sun_mmap_args *uap;
    460 	int *retval;
    461 {
    462 	register struct filedesc *fdp;
    463 	register struct file *fp;
    464 	register struct vnode *vp;
    465 
    466 	/*
    467 	 * Verify the arguments.
    468 	 */
    469 	if (uap->prot & ~(PROT_READ|PROT_WRITE|PROT_EXEC))
    470 		return (EINVAL);			/* XXX still needed? */
    471 
    472 	if ((uap->flags & SUN__MAP_NEW) == 0)
    473 		return (EINVAL);
    474 	uap->flags &= ~SUN__MAP_NEW;
    475 
    476 	if ((uap->flags & MAP_FIXED) == 0 &&
    477 		uap->addr != 0 &&
    478 		uap->addr < (caddr_t)round_page(p->p_vmspace->vm_daddr+MAXDSIZ))
    479 		uap->addr = (caddr_t)round_page(p->p_vmspace->vm_daddr+MAXDSIZ);
    480 
    481 	/*
    482 	 * Special case: if fd refers to /dev/zero, map as MAP_ANON.  (XXX)
    483 	 */
    484 	fdp = p->p_fd;
    485 	if ((unsigned)uap->fd < fdp->fd_nfiles &&			/*XXX*/
    486 	    (fp = fdp->fd_ofiles[uap->fd]) != NULL &&			/*XXX*/
    487 	    fp->f_type == DTYPE_VNODE &&				/*XXX*/
    488 	    (vp = (struct vnode *)fp->f_data)->v_type == VCHR &&	/*XXX*/
    489 	    iszerodev(vp->v_rdev)) {					/*XXX*/
    490 		uap->flags |= MAP_ANON;
    491 		uap->fd = -1;
    492 	}
    493 
    494 	uap->qoff = uap->off;
    495 	return (mmap(p, uap, retval));
    496 }
    497 
    498 #define	MC_SYNC		1
    499 #define	MC_LOCK		2
    500 #define	MC_UNLOCK	3
    501 #define	MC_ADVISE	4
    502 #define	MC_LOCKAS	5
    503 #define	MC_UNLOCKAS	6
    504 
    505 struct sun_mctl_args {
    506 	caddr_t	addr;
    507 	size_t	len;
    508 	int	func;
    509 	void	*arg;
    510 };
    511 sun_mctl(p, uap, retval)
    512 	register struct proc *p;
    513 	register struct sun_mctl_args *uap;
    514 	int *retval;
    515 {
    516 
    517 	switch (uap->func) {
    518 
    519 	case MC_ADVISE:		/* ignore for now */
    520 		return (0);
    521 
    522 	case MC_SYNC:		/* translate to msync */
    523 		return (msync(p, uap, retval));
    524 
    525 	default:
    526 		return (EINVAL);
    527 	}
    528 }
    529 
    530 struct sun_setsockopt_args {
    531 	int	s;
    532 	int	level;
    533 	int	name;
    534 	caddr_t	val;
    535 	int	valsize;
    536 };
    537 sun_setsockopt(p, uap, retval)
    538 	struct proc *p;
    539 	register struct sun_setsockopt_args *uap;
    540 	int *retval;
    541 {
    542 	struct file *fp;
    543 	struct mbuf *m = NULL;
    544 	int error;
    545 
    546 	if (error = getsock(p->p_fd, uap->s, &fp))
    547 		return (error);
    548 #define	SO_DONTLINGER (~SO_LINGER)
    549 	if (uap->name == SO_DONTLINGER) {
    550 		m = m_get(M_WAIT, MT_SOOPTS);
    551 		if (m == NULL)
    552 			return (ENOBUFS);
    553 		mtod(m, struct linger *)->l_onoff = 0;
    554 		m->m_len = sizeof(struct linger);
    555 		return (sosetopt((struct socket *)fp->f_data, uap->level,
    556 		    SO_LINGER, m));
    557 	}
    558 	if (uap->valsize > MLEN)
    559 		return (EINVAL);
    560 	if (uap->val) {
    561 		m = m_get(M_WAIT, MT_SOOPTS);
    562 		if (m == NULL)
    563 			return (ENOBUFS);
    564 		if (error = copyin(uap->val, mtod(m, caddr_t),
    565 		    (u_int)uap->valsize)) {
    566 			(void) m_free(m);
    567 			return (error);
    568 		}
    569 		m->m_len = uap->valsize;
    570 	}
    571 	return (sosetopt((struct socket *)fp->f_data, uap->level,
    572 	    uap->name, m));
    573 }
    574 
    575 struct sun_fchroot_args {
    576 	int	fdes;
    577 };
    578 sun_fchroot(p, uap, retval)
    579 	register struct proc *p;
    580 	register struct sun_fchroot_args *uap;
    581 	int *retval;
    582 {
    583 	register struct filedesc *fdp = p->p_fd;
    584 	register struct vnode *vp;
    585 	struct file *fp;
    586 	int error;
    587 
    588 	if ((error = suser(p->p_ucred, &p->p_acflag)) != 0)
    589 		return (error);
    590 	if ((error = getvnode(fdp, uap->fdes, &fp)) != 0)
    591 		return (error);
    592 	vp = (struct vnode *)fp->f_data;
    593 	VOP_LOCK(vp);
    594 	if (vp->v_type != VDIR)
    595 		error = ENOTDIR;
    596 	else
    597 		error = VOP_ACCESS(vp, VEXEC, p->p_ucred, p);
    598 	VOP_UNLOCK(vp);
    599 	if (error)
    600 		return (error);
    601 	VREF(vp);
    602 	if (fdp->fd_rdir != NULL)
    603 		vrele(fdp->fd_rdir);
    604 	fdp->fd_rdir = vp;
    605 	return (0);
    606 }
    607 
    608 /*
    609  * XXX: This needs cleaning up.
    610  */
    611 sun_auditsys(...)
    612 {
    613 	return 0;
    614 }
    615 
    616 struct sun_utsname {
    617 	char    sysname[9];
    618 	char    nodename[9];
    619 	char    nodeext[65-9];
    620 	char    release[9];
    621 	char    version[9];
    622 	char    machine[9];
    623 };
    624 
    625 struct sun_uname_args {
    626 	struct sun_utsname *name;
    627 };
    628 sun_uname(p, uap, retval)
    629 	struct proc *p;
    630 	struct sun_uname_args *uap;
    631 	int *retval;
    632 {
    633 	struct sun_utsname sut;
    634 	extern char ostype[], machine[], osrelease[];
    635 
    636 	bzero(&sut, sizeof(sut));
    637 
    638 	bcopy(ostype, sut.sysname, sizeof(sut.sysname) - 1);
    639 	bcopy(hostname, sut.nodename, sizeof(sut.nodename));
    640 	sut.nodename[sizeof(sut.nodename)-1] = '\0';
    641 	bcopy(osrelease, sut.release, sizeof(sut.release) - 1);
    642 	bcopy("1", sut.version, sizeof(sut.version) - 1);
    643 	bcopy(machine, sut.machine, sizeof(sut.machine) - 1);
    644 
    645 	return copyout((caddr_t)&sut, (caddr_t)uap->name, sizeof(struct sun_utsname));
    646 }
    647 
    648 struct sun_setpgid_args {
    649 	int	pid;	/* target process id */
    650 	int	pgid;	/* target pgrp id */
    651 };
    652 int
    653 sun_setpgid(p, uap, retval)
    654 	struct proc *p;
    655 	struct sun_setpgid_args *uap;
    656 	int *retval;
    657 {
    658 	/*
    659 	 * difference to our setpgid call is to include backwards
    660 	 * compatibility to pre-setsid() binaries. Do setsid()
    661 	 * instead of setpgid() in those cases where the process
    662 	 * tries to create a new session the old way.
    663 	 */
    664 	if (!uap->pgid && (!uap->pid || uap->pid == p->p_pid))
    665 		return setsid(p, uap, retval);
    666 	else
    667 		return setpgid(p, uap, retval);
    668 }
    669 
    670 struct sun_open_args {
    671 	char	*fname;
    672 	int	fmode;
    673 	int	crtmode;
    674 };
    675 sun_open(p, uap, retval)
    676 	struct proc *p;
    677 	struct sun_open_args *uap;
    678 	int *retval;
    679 {
    680 	int l, r;
    681 	int noctty = uap->fmode & 0x8000;
    682 	int ret;
    683 
    684 	/* convert mode into NetBSD mode */
    685 	l = uap->fmode;
    686 	r =	(l & (0x0001 | 0x0002 | 0x0008 | 0x0040 | 0x0200 | 0x0400 | 0x0800));
    687 	r |=	((l & (0x0004 | 0x1000 | 0x4000)) ? O_NONBLOCK : 0);
    688 	r |=	((l & 0x0080) ? O_SHLOCK : 0);
    689 	r |=	((l & 0x0100) ? O_EXLOCK : 0);
    690 	r |=	((l & 0x2000) ? O_FSYNC : 0);
    691 
    692 	uap->fmode = r;
    693 	ret = open(p, uap, retval);
    694 
    695 	if (!ret && !noctty && SESS_LEADER(p) && !(p->p_flag & P_CONTROLT)) {
    696 		struct filedesc *fdp = p->p_fd;
    697 		struct file *fp = fdp->fd_ofiles[*retval];
    698 
    699 		/* ignore any error, just give it a try */
    700 		if (fp->f_type == DTYPE_VNODE)
    701 			(fp->f_ops->fo_ioctl)(fp, TIOCSCTTY, (caddr_t) 0, p);
    702 	}
    703 	return ret;
    704 }
    705 
    706 #if defined (NFSSERVER)
    707 struct nfssvc_args {
    708 	int	fd;
    709 	caddr_t mskval;
    710 	int msklen;
    711 	caddr_t mtchval;
    712 	int mtchlen;
    713 };
    714 struct sun_nfssvc_args {
    715 	int	fd;
    716 };
    717 sun_nfssvc(p, uap, retval)
    718 	struct proc *p;
    719 	struct sun_nfssvc_args *uap;
    720 	int *retval;
    721 {
    722 	struct nfssvc_args outuap;
    723 	struct sockaddr sa;
    724 	int error;
    725 	extern char sigcode[], esigcode[];
    726 
    727 	bzero(&outuap, sizeof outuap);
    728 	outuap.fd = uap->fd;
    729 	outuap.mskval = (caddr_t)ALIGN(PS_STRINGS - szsigcode - STACKGAPLEN);
    730 	outuap.msklen = sizeof sa;
    731 	outuap.mtchval = outuap.mskval + sizeof sa;
    732 	outuap.mtchlen = sizeof sa;
    733 
    734 	bzero(&sa, sizeof sa);
    735 	if (error = copyout(&sa, outuap.mskval, outuap.msklen))
    736 		return (error);
    737 	if (error = copyout(&sa, outuap.mtchval, outuap.mtchlen))
    738 		return (error);
    739 
    740 	return nfssvc(p, &outuap, retval);
    741 }
    742 #endif /* NFSSERVER */
    743 
    744 struct sun_ustat {
    745 	daddr_t	f_tfree;	/* total free */
    746 	ino_t	f_tinode;	/* total inodes free */
    747 	char	f_fname[6];	/* filsys name */
    748 	char	f_fpack[6];	/* filsys pack name */
    749 };
    750 struct sun_ustat_args {
    751 	int	dev;
    752 	struct	sun_ustat *buf;
    753 };
    754 sun_ustat(p, uap, retval)
    755 	struct proc *p;
    756 	struct sun_ustat_args *uap;
    757 	int *retval;
    758 {
    759 	struct sun_ustat us;
    760 	int error;
    761 
    762 	bzero(&us, sizeof us);
    763 
    764 	/*
    765 	 * XXX: should set f_tfree and f_tinode at least
    766 	 * How do we translate dev -> fstat? (and then to sun_ustat)
    767 	 */
    768 
    769 	if (error = copyout(&us, uap->buf, sizeof us))
    770 		return (error);
    771 	return 0;
    772 }
    773 
    774 struct sun_quotactl_args {
    775 	int	cmd;
    776 	char	*special;
    777 	int	uid;
    778 	caddr_t	addr;
    779 };
    780 sun_quotactl(p, uap, retval)
    781 	struct proc *p;
    782 	struct sun_quotactl_args *uap;
    783 	int *retval;
    784 {
    785 	return EINVAL;
    786 }
    787 
    788 sun_vhangup(p, uap, retval)
    789 	struct proc *p;
    790 	void *uap;
    791 	int *retval;
    792 {
    793 	return 0;
    794 }
    795 
    796 struct sun_statfs {
    797 	long	f_type;		/* type of info, zero for now */
    798 	long	f_bsize;	/* fundamental file system block size */
    799 	long	f_blocks;	/* total blocks in file system */
    800 	long	f_bfree;	/* free blocks */
    801 	long	f_bavail;	/* free blocks available to non-super-user */
    802 	long	f_files;	/* total file nodes in file system */
    803 	long	f_ffree;	/* free file nodes in fs */
    804 	fsid_t	f_fsid;		/* file system id */
    805 	long	f_spare[7];	/* spare for later */
    806 };
    807 static
    808 sunstatfs(sp, buf)
    809 	struct statfs *sp;
    810 	caddr_t buf;
    811 {
    812 	struct sun_statfs ssfs;
    813 
    814 	bzero(&ssfs, sizeof ssfs);
    815 	ssfs.f_type = 0;
    816 	ssfs.f_bsize = sp->f_bsize;
    817 	ssfs.f_blocks = sp->f_blocks;
    818 	ssfs.f_bfree = sp->f_bfree;
    819 	ssfs.f_bavail = sp->f_bavail;
    820 	ssfs.f_files = sp->f_files;
    821 	ssfs.f_ffree = sp->f_ffree;
    822 	ssfs.f_fsid = sp->f_fsid;
    823 	return copyout((caddr_t)&ssfs, buf, sizeof ssfs);
    824 }
    825 
    826 struct sun_statfs_args {
    827 	char	*path;
    828 	struct	sun_statfs *buf;
    829 };
    830 sun_statfs(p, uap, retval)
    831 	struct proc *p;
    832 	struct sun_statfs_args *uap;
    833 	int *retval;
    834 {
    835 	register struct mount *mp;
    836 	register struct nameidata *ndp;
    837 	register struct statfs *sp;
    838 	int error;
    839 	struct nameidata nd;
    840 
    841 	ndp = &nd;
    842 	ndp->ni_nameiop = LOOKUP | FOLLOW;
    843 	ndp->ni_segflg = UIO_USERSPACE;
    844 	ndp->ni_dirp = uap->path;
    845 	if (error = namei(ndp, p))
    846 		return (error);
    847 	mp = ndp->ni_vp->v_mount;
    848 	sp = &mp->mnt_stat;
    849 	vrele(ndp->ni_vp);
    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_fstatfs_args {
    857 	int	fd;
    858 	struct	sun_statfs *buf;
    859 };
    860 sun_fstatfs(p, uap, retval)
    861 	struct proc *p;
    862 	struct sun_fstatfs_args *uap;
    863 	int *retval;
    864 {
    865 	struct file *fp;
    866 	struct mount *mp;
    867 	register struct statfs *sp;
    868 	int error;
    869 
    870 	if (error = getvnode(p->p_fd, uap->fd, &fp))
    871 		return (error);
    872 	mp = ((struct vnode *)fp->f_data)->v_mount;
    873 	sp = &mp->mnt_stat;
    874 	if (error = VFS_STATFS(mp, sp, p))
    875 		return (error);
    876 	sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK;
    877 	return sunstatfs(sp, (caddr_t)uap->buf);
    878 }
    879 
    880 struct sun_exportfs_args {
    881 	char	*path;
    882 	char	*ex;			/* struct sun_export * */
    883 };
    884 sun_exportfs(p, uap, retval)
    885 	struct proc *p;
    886 	struct sun_exportfs_args *uap;
    887 	int *retval;
    888 {
    889 	/*
    890 	 * XXX: should perhaps translate into a mount(2)
    891 	 * with MOUNT_EXPORT?
    892 	 */
    893 	return 0;
    894 }
    895 
    896 struct sun_mknod_args {
    897 	char	*fname;
    898 	int	fmode;
    899 	int	dev;
    900 };
    901 
    902 sun_mknod(p, uap, retval)
    903 	struct proc *p;
    904 	struct sun_mknod_args *uap;
    905 	int *retval;
    906 {
    907 	if (S_ISFIFO(uap->fmode))
    908 		return mkfifo(p, uap, retval);
    909 
    910 	return mknod(p, uap, retval);
    911 }
    912 
    913 #define SUN_SC_ARG_MAX		1
    914 #define SUN_SC_CHILD_MAX	2
    915 #define SUN_SC_CLK_TCK		3
    916 #define SUN_SC_NGROUPS_MAX	4
    917 #define SUN_SC_OPEN_MAX		5
    918 #define SUN_SC_JOB_CONTROL	6
    919 #define SUN_SC_SAVED_IDS	7
    920 #define SUN_SC_VERSION		8
    921 
    922 struct sun_sysconf_args {
    923 	int	name;
    924 };
    925 
    926 sun_sysconf(p, uap, retval)
    927 	struct proc *p;
    928 	struct sun_sysconf_args *uap;
    929 	int *retval;
    930 {
    931 	extern int maxfiles;
    932 
    933 	switch(uap->name) {
    934 	case SUN_SC_ARG_MAX:
    935 		*retval = ARG_MAX;
    936 		break;
    937 	case SUN_SC_CHILD_MAX:
    938 		*retval = maxproc;
    939 		break;
    940 	case SUN_SC_CLK_TCK:
    941 		*retval = 60;		/* should this be `hz', ie. 100? */
    942 		break;
    943 	case SUN_SC_NGROUPS_MAX:
    944 		*retval = NGROUPS_MAX;
    945 		break;
    946 	case SUN_SC_OPEN_MAX:
    947 		*retval = maxfiles;
    948 		break;
    949 	case SUN_SC_JOB_CONTROL:
    950 		*retval = 1;
    951 		break;
    952 	case SUN_SC_SAVED_IDS:
    953 #ifdef _POSIX_SAVED_IDS
    954 		*retval = 1;
    955 #else
    956 		*retval = 0;
    957 #endif
    958 		break;
    959 	case SUN_SC_VERSION:
    960 		*retval = 198808;
    961 		break;
    962 	default:
    963 		return EINVAL;
    964 	}
    965 	return 0;
    966 }
    967 
    968 #define SUN_RLIMIT_NOFILE	6	/* Other RLIMIT_* are the same */
    969 #define SUN_RLIM_NLIMITS	7
    970 
    971 struct sun_getrlimit_args {
    972 	int	which;
    973 	struct	orlimit *rlp;
    974 };
    975 
    976 sun_getrlimit(p, uap, retval)
    977 	struct proc *p;
    978 	struct sun_getrlimit_args *uap;
    979 	int *retval;
    980 {
    981 	if (uap->which >= SUN_RLIM_NLIMITS)
    982 		return EINVAL;
    983 
    984 	if (uap->which == SUN_RLIMIT_NOFILE)
    985 		uap->which = RLIMIT_NOFILE;
    986 
    987 	return ogetrlimit(p, uap, retval);
    988 }
    989 
    990 struct sun_setrlimit_args {
    991 	int	which;
    992 	struct	orlimit *rlp;
    993 };
    994 
    995 sun_setrlimit(p, uap, retval)
    996 	struct proc *p;
    997 	struct sun_getrlimit_args *uap;
    998 	int *retval;
    999 {
   1000 	if (uap->which >= SUN_RLIM_NLIMITS)
   1001 		return EINVAL;
   1002 
   1003 	if (uap->which == SUN_RLIMIT_NOFILE)
   1004 		uap->which = RLIMIT_NOFILE;
   1005 
   1006 	return osetrlimit(p, uap, retval);
   1007 }
   1008