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NetBSD/sys/compat/sunos/sunos_misc.c

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/*
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This software was developed by the Computer Systems Engineering group
* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
* contributed to Berkeley.
*
* All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Lawrence Berkeley Laboratory.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)sun_misc.c 8.1 (Berkeley) 6/18/93
*
* from: Header: sun_misc.c,v 1.16 93/04/07 02:46:27 torek Exp
* $Id: sunos_misc.c,v 1.10 1993/12/12 20:43:22 deraadt Exp $
*/
/*
* SunOS compatibility module.
*
* SunOS system calls that are implemented differently in BSD are
* handled here.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/namei.h>
#include <ufs/dir.h>
#include <sys/proc.h>
#include <sys/file.h>
#include <sys/stat.h>
#include <sys/filedesc.h>
#include <sys/ioctl.h>
#include <sys/kernel.h>
#include <sys/exec.h>
#include <sys/malloc.h>
#include <sys/mbuf.h>
#include <sys/mman.h>
#include <sys/mount.h>
#include <sys/resource.h>
#include <sys/resourcevar.h>
#include <sys/signal.h>
#include <sys/signalvar.h>
#include <sys/socket.h>
#include <sys/vnode.h>
#include <sys/uio.h>
#include <sys/wait.h>
#include <sys/utsname.h>
#include <netinet/in.h>
#include <miscfs/specfs/specdev.h>
#include <vm/vm.h>
struct sun_wait4_args {
int pid;
int *status;
int options;
struct rusage *rusage;
};
sun_wait4(p, uap, retval)
struct proc *p;
struct sun_wait4_args *uap;
int *retval;
{
if (uap->pid == 0)
uap->pid = WAIT_ANY;
return (wait4(p, uap, retval));
}
struct sun_creat_args {
char *fname;
int fmode;
};
sun_creat(p, uap, retval)
struct proc *p;
struct sun_creat_args *uap;
int *retval;
{
struct args {
char *fname;
int mode;
int crtmode;
} openuap;
openuap.fname = uap->fname;
openuap.crtmode = uap->fmode;
openuap.mode = O_WRONLY | O_CREAT | O_TRUNC;
return (open(p, &openuap, retval));
}
struct sun_execv_args {
char *fname;
char **argp;
char **envp; /* pseudo */
};
sun_execv(p, uap, retval)
struct proc *p;
struct sun_execv_args *uap;
int *retval;
{
uap->envp = NULL;
return (execve(p, uap, retval));
}
struct sun_omsync_args {
caddr_t addr;
int len;
int flags;
};
sun_omsync(p, uap, retval)
struct proc *p;
struct sun_omsync_args *uap;
int *retval;
{
if (uap->flags)
return (EINVAL);
return (msync(p, uap, retval));
}
struct sun_unmount_args {
char *name;
int flags; /* pseudo */
};
sun_unmount(p, uap, retval)
struct proc *p;
struct sun_unmount_args *uap;
int *retval;
{
uap->flags = 0;
return (unmount(p, uap, retval));
}
static int
gettype(tptr)
int *tptr;
{
int type, error;
char in[20];
if (error = copyinstr((caddr_t)*tptr, in, sizeof in, (u_int *)0))
return (error);
if (strcmp(in, "4.2") == 0 || strcmp(in, "ufs") == 0)
type = MOUNT_UFS;
else if (strcmp(in, "nfs") == 0)
type = MOUNT_NFS;
else
return (EINVAL);
*tptr = type;
return (0);
}
#define SUNM_RDONLY 0x01 /* mount fs read-only */
#define SUNM_NOSUID 0x02 /* mount fs with setuid disallowed */
#define SUNM_NEWTYPE 0x04 /* type is string (char *), not int */
#define SUNM_GRPID 0x08 /* (bsd semantics; ignored) */
#define SUNM_REMOUNT 0x10 /* update existing mount */
#define SUNM_NOSUB 0x20 /* prevent submounts (rejected) */
#define SUNM_MULTI 0x40 /* (ignored) */
#define SUNM_SYS5 0x80 /* Sys 5-specific semantics (rejected) */
struct sun_nfs_args {
struct sockaddr_in *addr; /* file server address */
caddr_t fh; /* file handle to be mounted */
int flags; /* flags */
int wsize; /* write size in bytes */
int rsize; /* read size in bytes */
int timeo; /* initial timeout in .1 secs */
int retrans; /* times to retry send */
char *hostname; /* server's hostname */
int acregmin; /* attr cache file min secs */
int acregmax; /* attr cache file max secs */
int acdirmin; /* attr cache dir min secs */
int acdirmax; /* attr cache dir max secs */
char *netname; /* server's netname */
struct pathcnf *pathconf; /* static pathconf kludge */
};
struct sun_mount_args {
int type;
char *dir;
int flags;
caddr_t data;
};
sun_mount(p, uap, retval)
struct proc *p;
struct sun_mount_args *uap;
int *retval;
{
int oflags = uap->flags, nflags, error;
extern char sigcode[], esigcode[];
#define szsigcode (esigcode - sigcode)
if (oflags & (SUNM_NOSUB | SUNM_SYS5))
return (EINVAL);
if (oflags & SUNM_NEWTYPE && (error = gettype(&uap->type)))
return (error);
nflags = 0;
if (oflags & SUNM_RDONLY)
nflags |= MNT_RDONLY;
if (oflags & SUNM_NOSUID)
nflags |= MNT_NOSUID;
if (oflags & SUNM_REMOUNT)
nflags |= MNT_UPDATE;
uap->flags = nflags;
if (uap->type == MOUNT_NFS) {
struct sun_nfs_args sna;
struct sockaddr_in sain;
struct nfs_args na;
struct sockaddr sa;
if (error = copyin(uap->data, &sna, sizeof sna))
return (error);
if (error = copyin(sna.addr, &sain, sizeof sain))
return (error);
bcopy(&sain, &sa, sizeof sa);
sa.sa_len = sizeof(sain);
uap->data = (caddr_t)ALIGN(PS_STRINGS - szsigcode - STACKGAPLEN);
na.addr = (struct sockaddr *)((int)uap->data + sizeof na);
na.sotype = SOCK_DGRAM;
na.proto = IPPROTO_UDP;
na.fh = (nfsv2fh_t *)sna.fh;
na.flags = sna.flags;
na.wsize = sna.wsize;
na.rsize = sna.rsize;
na.timeo = sna.timeo;
na.retrans = sna.retrans;
na.hostname = sna.hostname;
if (error = copyout(&sa, na.addr, sizeof sa))
return (error);
if (error = copyout(&na, uap->data, sizeof na))
return (error);
}
return (mount(p, uap, retval));
}
struct sun_sigpending_args {
int *mask;
};
sun_sigpending(p, uap, retval)
struct proc *p;
struct sun_sigpending_args *uap;
int *retval;
{
int mask = p->p_sig & p->p_sigmask;
return (copyout((caddr_t)&mask, (caddr_t)uap->mask, sizeof(int)));
}
/* XXX: Temporary until sys/dir.h, include/dirent.h and sys/dirent.h are fixed */
struct dirent {
u_long d_fileno; /* file number of entry */
u_short d_reclen; /* length of this record */
u_short d_namlen; /* length of string in d_name */
char d_name[255 + 1]; /* name must be no longer than this */
};
/*
* Here is the sun layout. (Compare the BSD layout in <sys/dirent.h>.)
* We can assume big-endian, so the BSD d_type field is just the high
* byte of the SunOS d_namlen field, after adjusting for the extra "long".
*/
struct sun_dirent {
long d_off;
u_long d_fileno;
u_short d_reclen;
u_short d_namlen;
char d_name[256];
};
/*
* Read Sun-style directory entries. We suck them into kernel space so
* that they can be massaged before being copied out to user code. Like
* SunOS, we squish out `empty' entries.
*
* This is quite ugly, but what do you expect from compatibility code?
*/
struct sun_getdents_args {
int fd;
char *buf;
int nbytes;
};
sun_getdents(p, uap, retval)
struct proc *p;
register struct sun_getdents_args *uap;
int *retval;
{
register struct vnode *vp;
register caddr_t inp, buf; /* BSD-format */
register int len, reclen; /* BSD-format */
register caddr_t outp; /* Sun-format */
register int resid; /* Sun-format */
struct file *fp;
struct uio auio;
struct iovec aiov;
off_t off; /* true file offset */
long soff; /* Sun file offset */
int buflen, error, eofflag;
#define BSD_DIRENT(cp) ((struct dirent *)(cp))
#define SUN_RECLEN(reclen) (reclen + sizeof(long))
if ((error = getvnode(p->p_fd, uap->fd, &fp)) != 0)
return (error);
if ((fp->f_flag & FREAD) == 0)
return (EBADF);
vp = (struct vnode *)fp->f_data;
if (vp->v_type != VDIR) /* XXX vnode readdir op should do this */
return (EINVAL);
buflen = min(MAXBSIZE, uap->nbytes);
buf = malloc(buflen, M_TEMP, M_WAITOK);
VOP_LOCK(vp);
off = fp->f_offset;
again:
aiov.iov_base = buf;
aiov.iov_len = buflen;
auio.uio_iov = &aiov;
auio.uio_iovcnt = 1;
auio.uio_rw = UIO_READ;
auio.uio_segflg = UIO_SYSSPACE;
auio.uio_procp = p;
auio.uio_resid = buflen;
auio.uio_offset = off;
/*
* First we read into the malloc'ed buffer, then
* we massage it into user space, one record at a time.
*/
if (error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag, NULL, 0))
goto out;
inp = buf;
outp = uap->buf;
resid = uap->nbytes;
if ((len = buflen - auio.uio_resid) == 0)
goto eof;
for (; len > 0; len -= reclen) {
reclen = ((struct dirent *)inp)->d_reclen;
if (reclen & 3)
panic("sun_getdents");
off += reclen; /* each entry points to next */
if (BSD_DIRENT(inp)->d_fileno == 0) {
inp += reclen; /* it is a hole; squish it out */
continue;
}
if (reclen > len || resid < SUN_RECLEN(reclen)) {
/* entry too big for buffer, so just stop */
outp++;
break;
}
/*
* Massage in place to make a Sun-shaped dirent (otherwise
* we have to worry about touching user memory outside of
* the copyout() call).
*/
BSD_DIRENT(inp)->d_reclen = SUN_RECLEN(reclen);
#if notdef
BSD_DIRENT(inp)->d_type = 0; /* 4.4 specific */
#endif
soff = off;
if ((error = copyout((caddr_t)&soff, outp, sizeof soff)) != 0 ||
(error = copyout(inp, outp + sizeof soff, reclen)) != 0)
goto out;
/* advance past this real entry */
inp += reclen;
/* advance output past Sun-shaped entry */
outp += SUN_RECLEN(reclen);
resid -= SUN_RECLEN(reclen);
}
/* if we squished out the whole block, try again */
if (outp == uap->buf)
goto again;
fp->f_offset = off; /* update the vnode offset */
eof:
*retval = uap->nbytes - resid;
out:
VOP_UNLOCK(vp);
free(buf, M_TEMP);
return (error);
}
/*
* The Sun bit-style arguments are not in the same order as the
* NetBSD ones. We must remap the bits.
*/
#if defined(sparc)
#define DEVZERO makedev(3, 12) /* major,minor of /dev/zero */
#else /* all m68k architectures */
#define DEVZERO makedev(2, 12) /* major,minor of /dev/zero */
#endif
#define SUN_PROT_READ 1
#define SUN_PROT_WRITE 2
#define SUN_PROT_EXEC 4
#define SUN_PROT_UALL (SUN_PROT_READ | SUN_PROT_WRITE | SUN_PROT_EXEC)
#define SUN__MAP_NEW 0x80000000 /* if not, old mmap & cannot handle */
#define SUN_MAP_SHARED 1
#define SUN_MAP_PRIVATE 2
#define SUN_MAP_TYPE 0xf
#define SUN_MAP_FIXED 0x10
struct sun_mmap_args {
caddr_t addr;
size_t len;
int prot;
int flags;
int fd;
off_t off;
};
sun_mmap(p, uap, retval)
register struct proc *p;
register struct sun_mmap_args *uap;
int *retval;
{
register int flags, prot, newflags, newprot;
register struct filedesc *fdp;
register struct file *fp;
register struct vnode *vp;
/*
* Verify and re-map the arguments.
*/
prot = uap->prot;
newprot = 0;
if (uap->prot & ~SUN_PROT_UALL)
return (EINVAL);
if (uap->prot & SUN_PROT_READ)
newprot |= PROT_READ;
if (uap->prot & SUN_PROT_WRITE)
newprot |= PROT_WRITE;
if (uap->prot & SUN_PROT_EXEC)
newprot |= PROT_EXEC;
flags = uap->flags;
newflags = 0;
if ((flags & SUN__MAP_NEW) == 0)
return (EINVAL);
switch (flags & SUN_MAP_TYPE) {
case SUN_MAP_SHARED:
newflags |= MAP_SHARED;
break;
case SUN_MAP_PRIVATE:
newflags |= MAP_PRIVATE;
break;
default:
return (EINVAL);
}
if (flags & SUN_MAP_FIXED)
newflags |= MAP_FIXED;
if ((newflags & MAP_FIXED) == 0 &&
uap->addr != 0 &&
uap->addr < (caddr_t)round_page(p->p_vmspace->vm_daddr + MAXDSIZ))
uap->addr = (caddr_t)round_page(p->p_vmspace->vm_daddr + MAXDSIZ);
/*
* Special case: if fd refers to /dev/zero, map as MAP_ANON. (XXX)
*/
fdp = p->p_fd;
if ((unsigned)uap->fd < fdp->fd_nfiles && /*XXX*/
(fp = fdp->fd_ofiles[uap->fd]) != NULL && /*XXX*/
fp->f_type == DTYPE_VNODE && /*XXX*/
(vp = (struct vnode *)fp->f_data)->v_type == VCHR && /*XXX*/
vp->v_rdev == DEVZERO) { /*XXX*/
newflags |= MAP_ANON;
uap->fd = -1;
} else
newflags |= MAP_FILE;
/* All done, fix up fields and go. */
uap->flags = newflags;
uap->prot = newprot;
return (smmap(p, uap, retval));
}
#define MC_SYNC 1
#define MC_LOCK 2
#define MC_UNLOCK 3
#define MC_ADVISE 4
#define MC_LOCKAS 5
#define MC_UNLOCKAS 6
struct sun_mctl_args {
caddr_t addr;
size_t len;
int func;
void *arg;
};
sun_mctl(p, uap, retval)
register struct proc *p;
register struct sun_mctl_args *uap;
int *retval;
{
switch (uap->func) {
case MC_ADVISE: /* ignore for now */
return (0);
case MC_SYNC: /* translate to msync */
return (msync(p, uap, retval));
default:
return (EINVAL);
}
}
struct sun_setsockopt_args {
int s;
int level;
int name;
caddr_t val;
int valsize;
};
sun_setsockopt(p, uap, retval)
struct proc *p;
register struct sun_setsockopt_args *uap;
int *retval;
{
struct file *fp;
struct mbuf *m = NULL;
int error;
if (error = getsock(p->p_fd, uap->s, &fp))
return (error);
#define SO_DONTLINGER (~SO_LINGER)
if (uap->name == SO_DONTLINGER) {
m = m_get(M_WAIT, MT_SOOPTS);
if (m == NULL)
return (ENOBUFS);
mtod(m, struct linger *)->l_onoff = 0;
m->m_len = sizeof(struct linger);
return (sosetopt((struct socket *)fp->f_data, uap->level,
SO_LINGER, m));
}
if (uap->valsize > MLEN)
return (EINVAL);
if (uap->val) {
m = m_get(M_WAIT, MT_SOOPTS);
if (m == NULL)
return (ENOBUFS);
if (error = copyin(uap->val, mtod(m, caddr_t),
(u_int)uap->valsize)) {
(void) m_free(m);
return (error);
}
m->m_len = uap->valsize;
}
return (sosetopt((struct socket *)fp->f_data, uap->level,
uap->name, m));
}
struct sun_fchroot_args {
int fdes;
};
sun_fchroot(p, uap, retval)
register struct proc *p;
register struct sun_fchroot_args *uap;
int *retval;
{
register struct filedesc *fdp = p->p_fd;
register struct vnode *vp;
struct file *fp;
int error;
if ((error = suser(p->p_ucred, &p->p_acflag)) != 0)
return (error);
if ((error = getvnode(fdp, uap->fdes, &fp)) != 0)
return (error);
vp = (struct vnode *)fp->f_data;
VOP_LOCK(vp);
if (vp->v_type != VDIR)
error = ENOTDIR;
else
error = VOP_ACCESS(vp, VEXEC, p->p_ucred, p);
VOP_UNLOCK(vp);
if (error)
return (error);
VREF(vp);
if (fdp->fd_rdir != NULL)
vrele(fdp->fd_rdir);
fdp->fd_rdir = vp;
return (0);
}
/*
* XXX: This needs cleaning up.
*/
sun_auditsys(...)
{
return 0;
}
struct sun_utsname {
char sysname[9];
char nodename[9];
char nodeext[65-9];
char release[9];
char version[9];
char machine[9];
};
struct sun_uname_args {
struct sun_utsname *name;
};
sun_uname(p, uap, retval)
struct proc *p;
struct sun_uname_args *uap;
int *retval;
{
struct sun_utsname sut;
/* first update utsname just as with NetBSD uname() */
bcopy(hostname, utsname.nodename, sizeof(utsname.nodename));
utsname.nodename[sizeof(utsname.nodename)-1] = '\0';
/* then copy it over into SunOS struct utsname */
bzero(&sut, sizeof(sut));
bcopy(utsname.sysname, sut.sysname, sizeof(sut.sysname) - 1);
bcopy(utsname.nodename, sut.nodename, sizeof(sut.nodename) - 1);
bcopy(utsname.release, sut.release, sizeof(sut.release) - 1);
bcopy(utsname.version, sut.version, sizeof(sut.version) - 1);
bcopy(utsname.machine, sut.machine, sizeof(sut.machine) - 1);
return copyout((caddr_t)&sut, (caddr_t)uap->name, sizeof(struct sun_utsname));
}
struct sun_setpgid_args {
int pid; /* target process id */
int pgid; /* target pgrp id */
};
int
sun_setpgid(p, uap, retval)
struct proc *p;
struct sun_setpgid_args *uap;
int *retval;
{
/*
* difference to our setpgid call is to include backwards
* compatibility to pre-setsid() binaries. Do setsid()
* instead of setpgid() in those cases where the process
* tries to create a new session the old way.
*/
if (!uap->pgid && (!uap->pid || uap->pid == p->p_pid))
return setsid(p, uap, retval);
else
return setpgid(p, uap, retval);
}
struct sun_open_args {
char *fname;
int fmode;
int crtmode;
};
sun_open(p, uap, retval)
struct proc *p;
struct sun_open_args *uap;
int *retval;
{
int l, r;
int noctty = uap->fmode & 0x8000;
int ret;
/* convert mode into NetBSD mode */
l = uap->fmode;
r = (l & (0x0001 | 0x0002 | 0x0008 | 0x0040 | 0x0200 | 0x0400 | 0x0800));
r |= ((l & (0x0004 | 0x1000 | 0x4000)) ? O_NONBLOCK : 0);
r |= ((l & 0x0080) ? O_SHLOCK : 0);
r |= ((l & 0x0100) ? O_EXLOCK : 0);
r |= ((l & 0x2000) ? O_FSYNC : 0);
uap->fmode = r;
ret = open(p, uap, retval);
if (!ret && !noctty && SESS_LEADER(p) && !(p->p_flag & SCTTY)) {
struct filedesc *fdp = p->p_fd;
struct file *fp = fdp->fd_ofiles[*retval];
/* ignore any error, just give it a try */
if (fp->f_type == DTYPE_VNODE)
(fp->f_ops->fo_ioctl)(fp, TIOCSCTTY, (caddr_t) 0, p);
}
return ret;
}
struct nfssvc_args {
int fd;
caddr_t mskval;
int msklen;
caddr_t mtchval;
int mtchlen;
};
struct sun_nfssvc_args {
int fd;
};
sun_nfssvc(p, uap, retval)
struct proc *p;
struct sun_nfssvc_args *uap;
int *retval;
{
struct nfssvc_args outuap;
struct sockaddr sa;
int error;
extern char sigcode[], esigcode[];
bzero(&outuap, sizeof outuap);
outuap.fd = uap->fd;
outuap.mskval = (caddr_t)ALIGN(PS_STRINGS - szsigcode - STACKGAPLEN);
outuap.msklen = sizeof sa;
outuap.mtchval = outuap.mskval + sizeof sa;
outuap.mtchlen = sizeof sa;
bzero(&sa, sizeof sa);
if (error = copyout(&sa, outuap.mskval, outuap.msklen))
return (error);
if (error = copyout(&sa, outuap.mtchval, outuap.mtchlen))
return (error);
return nfssvc(p, &outuap, retval);
}
struct sun_ustat {
daddr_t f_tfree; /* total free */
ino_t f_tinode; /* total inodes free */
char f_fname[6]; /* filsys name */
char f_fpack[6]; /* filsys pack name */
};
struct sun_ustat_args {
int dev;
struct sun_ustat *buf;
};
sun_ustat(p, uap, retval)
struct proc *p;
struct sun_ustat_args *uap;
int *retval;
{
struct sun_ustat us;
int error;
bzero(&us, sizeof us);
/*
* XXX: should set f_tfree and f_tinode at least
* How do we translate dev -> fstat? (and then to sun_ustat)
*/
if (error = copyout(&us, uap->buf, sizeof us))
return (error);
return 0;
}
struct sun_quotactl_args {
int cmd;
char *special;
int uid;
caddr_t addr;
};
sun_quotactl(p, uap, retval)
struct proc *p;
struct sun_quotactl_args *uap;
int *retval;
{
return EINVAL;
}
sun_vhangup(p, uap, retval)
struct proc *p;
void *uap;
int *retval;
{
return 0;
}
struct sun_statfs {
long f_type; /* type of info, zero for now */
long f_bsize; /* fundamental file system block size */
long f_blocks; /* total blocks in file system */
long f_bfree; /* free blocks */
long f_bavail; /* free blocks available to non-super-user */
long f_files; /* total file nodes in file system */
long f_ffree; /* free file nodes in fs */
fsid_t f_fsid; /* file system id */
long f_spare[7]; /* spare for later */
};
static
sunstatfs(sp, buf)
struct statfs *sp;
caddr_t buf;
{
struct sun_statfs ssfs;
bzero(&ssfs, sizeof ssfs);
ssfs.f_type = 0;
ssfs.f_bsize = sp->f_fsize;
ssfs.f_blocks = sp->f_blocks;
ssfs.f_bfree = sp->f_bfree;
ssfs.f_bavail = sp->f_bavail;
ssfs.f_files = sp->f_files;
ssfs.f_ffree = sp->f_ffree;
ssfs.f_fsid = sp->f_fsid;
return copyout((caddr_t)&ssfs, buf, sizeof ssfs);
}
struct sun_statfs_args {
char *path;
struct sun_statfs *buf;
};
sun_statfs(p, uap, retval)
struct proc *p;
struct sun_statfs_args *uap;
int *retval;
{
register struct mount *mp;
register struct nameidata *ndp;
register struct statfs *sp;
int error;
struct nameidata nd;
ndp = &nd;
ndp->ni_nameiop = LOOKUP | FOLLOW;
ndp->ni_segflg = UIO_USERSPACE;
ndp->ni_dirp = uap->path;
if (error = namei(ndp, p))
return (error);
mp = ndp->ni_vp->v_mount;
sp = &mp->mnt_stat;
vrele(ndp->ni_vp);
if (error = VFS_STATFS(mp, sp, p))
return (error);
sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK;
return sunstatfs(sp, (caddr_t)uap->buf);
}
struct sun_fstatfs_args {
int fd;
struct sun_statfs *buf;
};
sun_fstatfs(p, uap, retval)
struct proc *p;
struct sun_fstatfs_args *uap;
int *retval;
{
struct file *fp;
struct mount *mp;
register struct statfs *sp;
int error;
if (error = getvnode(p->p_fd, uap->fd, &fp))
return (error);
mp = ((struct vnode *)fp->f_data)->v_mount;
sp = &mp->mnt_stat;
if (error = VFS_STATFS(mp, sp, p))
return (error);
sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK;
return sunstatfs(sp, (caddr_t)uap->buf);
}
struct sun_exportfs_args {
char *path;
char *ex; /* struct sun_export * */
};
sun_exportfs(p, uap, retval)
struct proc *p;
struct sun_exportfs_args *uap;
int *retval;
{
/*
* XXX: should perhaps translate into a mount(2)
* with MOUNT_EXPORT?
*/
return 0;
}
struct sun_mknod_args {
char *fname;
int fmode;
int dev;
};
sun_mknod(p, uap, retval)
struct proc *p;
struct sun_mknod_args *uap;
int *retval;
{
if (S_ISFIFO(uap->fmode))
return mkfifo(p, uap, retval);
return mknod(p, uap, retval);
}
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