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NetBSD/sys/compat/ultrix/ultrix_misc.c

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/* $NetBSD: ultrix_misc.c,v 1.16 1995/10/07 06:28:02 mycroft Exp $ */
/*
* 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
*/
/*
* 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 <sys/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 <sys/unistd.h>
#include <sys/syscallargs.h>
#include <compat/ultrix/ultrix_syscall.h>
#include <compat/ultrix/ultrix_syscallargs.h>
#include <netinet/in.h>
#include <miscfs/specfs/specdev.h>
#include <nfs/rpcv2.h>
#include <nfs/nfsv2.h>
#include <nfs/nfs.h>
#include <vm/vm.h>
extern struct sysent ultrix_sysent[];
extern char *ultrix_syscallnames[];
extern void cpu_exec_ecoff_setregs __P((struct proc *, struct exec_package *,
u_long, register_t *));
struct emul emul_ultrix = {
"ultrix",
NULL,
sendsig,
ULTRIX_SYS_syscall,
ULTRIX_SYS_MAXSYSCALL,
ultrix_sysent,
ultrix_syscallnames,
0,
copyargs,
cpu_exec_ecoff_setregs,
0,
0,
};
#define GSI_PROG_ENV 1
ultrix_sys_getsysinfo(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct ultrix_sys_getsysinfo_args *uap = v;
static short progenv = 0;
switch (SCARG(uap, op)) {
/* operations implemented: */
case GSI_PROG_ENV:
if (SCARG(uap, nbytes) < sizeof(short))
return EINVAL;
*retval = 1;
return (copyout(&progenv, SCARG(uap, buffer), sizeof(short)));
default:
*retval = 0; /* info unavail */
return 0;
}
}
ultrix_sys_setsysinfo(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct ultrix_sys_setsysinfo_args *uap = v;
*retval = 0;
return 0;
}
ultrix_sys_waitpid(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct ultrix_sys_waitpid_args *uap = v;
struct sys_wait4_args ua;
SCARG(&ua, pid) = SCARG(uap, pid);
SCARG(&ua, status) = SCARG(uap, status);
SCARG(&ua, options) = SCARG(uap, options);
SCARG(&ua, rusage) = 0;
return (sys_wait4(p, &ua, retval));
}
ultrix_sys_wait3(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct ultrix_sys_wait3_args *uap = v;
struct sys_wait4_args ua;
SCARG(&ua, pid) = -1;
SCARG(&ua, status) = SCARG(uap, status);
SCARG(&ua, options) = SCARG(uap, options);
SCARG(&ua, rusage) = SCARG(uap, rusage);
return (sys_wait4(p, &ua, retval));
}
ultrix_sys_execv(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct ultrix_sys_execv_args *uap = v;
struct sys_execve_args ouap;
SCARG(&ouap, path) = SCARG(uap, path);
SCARG(&ouap, argp) = SCARG(uap, argp);
SCARG(&ouap, envp) = NULL;
return (sys_execve(p, &ouap, retval));
}
#if defined(NFSCLIENT)
async_daemon(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct sys_nfssvc_args ouap;
SCARG(&ouap, flag) = NFSSVC_BIOD;
SCARG(&ouap, argp) = NULL;
return (sys_nfssvc(p, &ouap, retval));
}
#endif /* NFSCLIENT */
ultrix_sys_sigpending(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct ultrix_sys_sigpending_args *uap = v;
int mask = p->p_siglist & p->p_sigmask;
return (copyout((caddr_t)&mask, (caddr_t)SCARG(uap, mask), sizeof(int)));
}
#if 0
/* 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 */
};
#endif
#define SUN__MAP_NEW 0x80000000 /* if not, old mmap & cannot handle */
ultrix_sys_mmap(p, v, retval)
register struct proc *p;
void *v;
register_t *retval;
{
register struct ultrix_sys_mmap_args *uap = v;
struct sys_mmap_args ouap;
register struct filedesc *fdp;
register struct file *fp;
register struct vnode *vp;
/*
* Verify the arguments.
*/
if (SCARG(uap, prot) & ~(PROT_READ|PROT_WRITE|PROT_EXEC))
return (EINVAL); /* XXX still needed? */
if ((SCARG(uap, flags) & SUN__MAP_NEW) == 0)
return (EINVAL);
SCARG(&ouap, flags) = SCARG(uap, flags) & ~SUN__MAP_NEW;
SCARG(&ouap, addr) = SCARG(uap, addr);
if ((SCARG(&ouap, flags) & MAP_FIXED) == 0 &&
SCARG(&ouap, addr) != 0 &&
SCARG(&ouap, addr) < (caddr_t)round_page(p->p_vmspace->vm_daddr+MAXDSIZ))
SCARG(&ouap, addr) = (caddr_t)round_page(p->p_vmspace->vm_daddr+MAXDSIZ);
SCARG(&ouap, len) = SCARG(uap, len);
SCARG(&ouap, prot) = SCARG(uap, prot);
SCARG(&ouap, fd) = SCARG(uap, fd);
SCARG(&ouap, pos) = SCARG(uap, pos);
/*
* Special case: if fd refers to /dev/zero, map as MAP_ANON. (XXX)
*/
fdp = p->p_fd;
if ((unsigned)SCARG(&ouap, fd) < fdp->fd_nfiles && /*XXX*/
(fp = fdp->fd_ofiles[SCARG(&ouap, fd)]) != NULL && /*XXX*/
fp->f_type == DTYPE_VNODE && /*XXX*/
(vp = (struct vnode *)fp->f_data)->v_type == VCHR && /*XXX*/
iszerodev(vp->v_rdev)) { /*XXX*/
SCARG(&ouap, flags) |= MAP_ANON;
SCARG(&ouap, fd) = -1;
}
return (sys_mmap(p, &ouap, retval));
}
ultrix_sys_setsockopt(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
register struct ultrix_sys_setsockopt_args *uap = v;
struct file *fp;
struct mbuf *m = NULL;
int error;
if (error = getsock(p->p_fd, SCARG(uap, s), &fp))
return (error);
#define SO_DONTLINGER (~SO_LINGER)
if (SCARG(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, SCARG(uap, level),
SO_LINGER, m));
}
if (SCARG(uap, valsize) > MLEN)
return (EINVAL);
if (SCARG(uap, val)) {
m = m_get(M_WAIT, MT_SOOPTS);
if (m == NULL)
return (ENOBUFS);
if (error = copyin(SCARG(uap, val), mtod(m, caddr_t),
(u_int)SCARG(uap, valsize))) {
(void) m_free(m);
return (error);
}
m->m_len = SCARG(uap, valsize);
}
return (sosetopt((struct socket *)fp->f_data, SCARG(uap, level),
SCARG(uap, name), m));
}
struct ultrix_utsname {
char sysname[9];
char nodename[9];
char nodeext[65-9];
char release[9];
char version[9];
char machine[9];
};
ultrix_sys_uname(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct ultrix_sys_uname_args *uap = v;
struct ultrix_utsname sut;
extern char ostype[], machine[], osrelease[];
bzero(&sut, sizeof(sut));
bcopy(ostype, sut.sysname, sizeof(sut.sysname) - 1);
bcopy(hostname, sut.nodename, sizeof(sut.nodename));
sut.nodename[sizeof(sut.nodename)-1] = '\0';
bcopy(osrelease, sut.release, sizeof(sut.release) - 1);
bcopy("1", sut.version, sizeof(sut.version) - 1);
bcopy(machine, sut.machine, sizeof(sut.machine) - 1);
return copyout((caddr_t)&sut, (caddr_t)SCARG(uap, name),
sizeof(struct ultrix_utsname));
}
int
ultrix_sys_setpgrp(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct ultrix_sys_setpgrp_args *uap = v;
/*
* 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 (!SCARG(uap, pgid) &&
(!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid))
return sys_setsid(p, uap, retval);
else
return sys_setpgid(p, uap, retval);
}
ultrix_sys_open(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct ultrix_sys_open_args *uap = v;
int l, r;
int noctty;
int ret;
/* convert mode into NetBSD mode */
l = SCARG(uap, mode);
noctty = l & 0x8000;
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);
SCARG(uap, flags) = r;
ret = sys_open(p, (struct sys_open_args *)uap, retval);
if (!ret && !noctty && SESS_LEADER(p) && !(p->p_flag & P_CONTROLT)) {
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;
}
#if defined (NFSSERVER)
ultrix_sys_nfssvc(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct ultrix_sys_nfssvc_args *uap = v;
struct emul *e = p->p_emul;
struct sys_nfssvc_args outuap;
struct sockaddr sa;
int error;
#if 0
bzero(&outuap, sizeof outuap);
SCARG(&outuap, fd) = SCARG(uap, fd);
SCARG(&outuap, mskval) = STACKGAPBASE;
SCARG(&outuap, msklen) = sizeof sa;
SCARG(&outuap, mtchval) = outuap.mskval + sizeof sa;
SCARG(&outuap, mtchlen) = sizeof sa;
bzero(&sa, sizeof sa);
if (error = copyout(&sa, SCARG(&outuap, mskval), SCARG(&outuap, msklen)))
return (error);
if (error = copyout(&sa, SCARG(&outuap, mtchval), SCARG(&outuap, mtchlen)))
return (error);
return nfssvc(p, &outuap, retval);
#else
return (ENOSYS);
#endif
}
#endif /* NFSSERVER */
struct ultrix_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 */
};
ultrix_sys_ustat(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct ultrix_sys_ustat_args *uap = v;
struct ultrix_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 ultrix_ustat)
*/
if (error = copyout(&us, SCARG(uap, buf), sizeof us))
return (error);
return 0;
}
ultrix_sys_quotactl(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct ultrix_sys_quotactl_args *uap = v;
return EINVAL;
}
ultrix_sys_vhangup(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
return 0;
}
struct ultrix_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 ultrix_statfs ssfs;
bzero(&ssfs, sizeof ssfs);
ssfs.f_type = 0;
ssfs.f_bsize = sp->f_bsize;
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);
}
ultrix_sys_statfs(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct ultrix_sys_statfs_args *uap = v;
register struct mount *mp;
register struct statfs *sp;
int error;
struct nameidata nd;
NDINIT(&nd, LOOKUP, FOLLOW, UIO_USERSPACE, SCARG(uap, path), p);
if (error = namei(&nd))
return (error);
mp = nd.ni_vp->v_mount;
sp = &mp->mnt_stat;
vrele(nd.ni_vp);
if (error = VFS_STATFS(mp, sp, p))
return (error);
sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK;
return sunstatfs(sp, (caddr_t)SCARG(uap, buf));
}
ultrix_sys_fstatfs(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct ultrix_sys_fstatfs_args *uap = v;
struct file *fp;
struct mount *mp;
register struct statfs *sp;
int error;
if (error = getvnode(p->p_fd, SCARG(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)SCARG(uap, buf));
}
ultrix_sys_exportfs(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct ultrix_sys_exportfs_args *uap = v;
/*
* XXX: should perhaps translate into a mount(2)
* with MOUNT_EXPORT?
*/
return 0;
}
ultrix_sys_mknod(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct ultrix_sys_mknod_args *uap = v;
if (S_ISFIFO(SCARG(uap, mode)))
return sys_mkfifo(p, uap, retval);
return sys_mknod(p, (struct sys_mknod_args *)uap, retval);
}
int
ultrix_sys_sigcleanup(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct ultrix_sys_sigcleanup_args *uap = v;
return sys_sigreturn(p, (struct sys_sigreturn_args *)uap, retval);
}
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