698 lines
18 KiB
C
698 lines
18 KiB
C
/* $NetBSD: ultrix_misc.c,v 1.40 1998/07/03 20:03:04 mhitch Exp $ */
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/*
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* Copyright (c) 1995, 1997 Jonathan Stone (hereinafter referred to as the author)
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Jonathan Stone for
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* the NetBSD Project.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This software was developed by the Computer Systems Engineering group
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* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
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* contributed to Berkeley.
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*
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* All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Lawrence Berkeley Laboratory.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*
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* @(#)sun_misc.c 8.1 (Berkeley) 6/18/93
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*
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* from: Header: sun_misc.c,v 1.16 93/04/07 02:46:27 torek Exp
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*/
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#include "opt_nfsserver.h"
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#include <sys/cdefs.h> /* RCS ID & Copyright macro defns */
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__KERNEL_RCSID(0, "$NetBSD: ultrix_misc.c,v 1.40 1998/07/03 20:03:04 mhitch Exp $");
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/*
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* SunOS compatibility module.
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*
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* SunOS system calls that are implemented differently in BSD are
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* handled here.
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*/
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#include "fs_nfs.h"
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/namei.h>
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#include <sys/dirent.h>
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#include <sys/proc.h>
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#include <sys/file.h>
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#include <sys/filedesc.h>
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/*#include <sys/stat.h>*/
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/*#include <sys/ioctl.h>*/
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#include <sys/kernel.h>
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#include <sys/exec.h>
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#include <sys/malloc.h>
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#include <sys/mbuf.h>
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#include <sys/mman.h>
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#include <sys/mount.h>
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#include <sys/resource.h>
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#include <sys/resourcevar.h>
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#include <sys/signal.h>
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#include <sys/signalvar.h>
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#include <sys/socket.h>
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#include <sys/vnode.h>
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#include <sys/uio.h>
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#include <sys/wait.h>
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#include <sys/utsname.h>
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#include <sys/unistd.h>
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#include <sys/ipc.h>
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#include <sys/syscallargs.h>
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#include <compat/ultrix/ultrix_syscall.h>
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#include <compat/ultrix/ultrix_syscallargs.h>
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#include <compat/common/compat_util.h>
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#include <netinet/in.h>
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#include <miscfs/specfs/specdev.h>
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#include <nfs/rpcv2.h>
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#include <nfs/nfsproto.h>
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#include <nfs/nfs.h>
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#include <vm/vm.h> /* pmap declarations */
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#include <sys/conf.h> /* iszerodev() */
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#include <sys/socketvar.h> /* sosetopt() */
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extern struct sysent ultrix_sysent[];
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extern char *ultrix_syscallnames[];
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/*
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* Select the appropriate setregs callback for the target architecture.
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*/
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#ifdef mips
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#include <machine/ecoff_machdep.h>
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#define ULTRIX_EXEC_SETREGS cpu_exec_ecoff_setregs
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#endif /* mips */
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#ifdef vax
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#define ULTRIX_EXEC_SETREGS setregs
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#endif /* mips */
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extern void ULTRIX_EXEC_SETREGS __P((struct proc *, struct exec_package *,
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u_long));
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extern char sigcode[], esigcode[];
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struct emul emul_ultrix = {
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"ultrix",
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NULL,
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sendsig,
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ULTRIX_SYS_syscall,
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ULTRIX_SYS_MAXSYSCALL,
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ultrix_sysent,
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ultrix_syscallnames,
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0,
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copyargs,
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ULTRIX_EXEC_SETREGS,
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sigcode,
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esigcode,
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};
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#define GSI_PROG_ENV 1
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int
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ultrix_sys_getsysinfo(p, v, retval)
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struct proc *p;
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void *v;
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register_t *retval;
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{
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struct ultrix_sys_getsysinfo_args *uap = v;
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static short progenv = 0;
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switch (SCARG(uap, op)) {
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/* operations implemented: */
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case GSI_PROG_ENV:
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if (SCARG(uap, nbytes) < sizeof(short))
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return EINVAL;
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*retval = 1;
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return (copyout(&progenv, SCARG(uap, buffer), sizeof(short)));
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default:
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*retval = 0; /* info unavail */
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return 0;
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}
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}
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int
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ultrix_sys_setsysinfo(p, v, retval)
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struct proc *p;
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void *v;
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register_t *retval;
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{
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#ifdef notyet
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struct ultrix_sys_setsysinfo_args *uap = v;
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#endif
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*retval = 0;
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return 0;
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}
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int
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ultrix_sys_waitpid(p, v, retval)
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struct proc *p;
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void *v;
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register_t *retval;
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{
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struct ultrix_sys_waitpid_args *uap = v;
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struct sys_wait4_args ua;
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SCARG(&ua, pid) = SCARG(uap, pid);
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SCARG(&ua, status) = SCARG(uap, status);
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SCARG(&ua, options) = SCARG(uap, options);
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SCARG(&ua, rusage) = 0;
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return (sys_wait4(p, &ua, retval));
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}
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int
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ultrix_sys_wait3(p, v, retval)
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struct proc *p;
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void *v;
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register_t *retval;
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{
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struct ultrix_sys_wait3_args *uap = v;
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struct sys_wait4_args ua;
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SCARG(&ua, pid) = -1;
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SCARG(&ua, status) = SCARG(uap, status);
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SCARG(&ua, options) = SCARG(uap, options);
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SCARG(&ua, rusage) = SCARG(uap, rusage);
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return (sys_wait4(p, &ua, retval));
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}
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/*
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* Ultrix binaries pass in FD_MAX as the first arg to select().
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* On Ultrix, FD_MAX is 4096, which is more than the NetBSD sys_select()
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* can handle.
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* Since we can't have more than the (native) FD_MAX descriptors open,
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* limit nfds to at most FD_MAX.
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*/
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int
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ultrix_sys_select(p, v, retval)
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struct proc *p;
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void *v;
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register_t *retval;
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{
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struct sys_select_args *uap = v;
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struct timeval atv;
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int error;
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/* Limit number of FDs selected on to the native maximum */
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if (SCARG(uap, nd) > FD_SETSIZE)
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SCARG(uap, nd) = FD_SETSIZE;
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/* Check for negative timeval */
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if (SCARG(uap, tv)) {
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error = copyin((caddr_t)SCARG(uap, tv), (caddr_t)&atv,
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sizeof(atv));
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if (error)
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goto done;
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#ifdef DEBUG
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/* Ultrix clients sometimes give negative timeouts? */
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if (atv.tv_sec < 0 || atv.tv_usec < 0)
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printf("ultrix select( %ld, %ld): negative timeout\n",
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atv.tv_sec, atv.tv_usec);
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/*tvp = (timeval *)STACKGAPBASE;*/
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#endif
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}
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error = sys_select(p, (void*) uap, retval);
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if (error == EINVAL)
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printf("ultrix select: bad args?\n");
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done:
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return error;
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}
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#if defined(NFS)
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int
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async_daemon(p, v, retval)
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struct proc *p;
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void *v;
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register_t *retval;
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{
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struct sys_nfssvc_args ouap;
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SCARG(&ouap, flag) = NFSSVC_BIOD;
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SCARG(&ouap, argp) = NULL;
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return (sys_nfssvc(p, &ouap, retval));
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}
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#endif /* NFS */
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#define SUN__MAP_NEW 0x80000000 /* if not, old mmap & cannot handle */
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int
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ultrix_sys_mmap(p, v, retval)
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register struct proc *p;
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void *v;
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register_t *retval;
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{
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register struct ultrix_sys_mmap_args *uap = v;
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struct sys_mmap_args ouap;
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register struct filedesc *fdp;
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register struct file *fp;
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register struct vnode *vp;
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/*
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* Verify the arguments.
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*/
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if (SCARG(uap, prot) & ~(PROT_READ|PROT_WRITE|PROT_EXEC))
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return (EINVAL); /* XXX still needed? */
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if ((SCARG(uap, flags) & SUN__MAP_NEW) == 0)
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return (EINVAL);
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SCARG(&ouap, flags) = SCARG(uap, flags) & ~SUN__MAP_NEW;
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SCARG(&ouap, addr) = SCARG(uap, addr);
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if ((SCARG(&ouap, flags) & MAP_FIXED) == 0 &&
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SCARG(&ouap, addr) != 0 &&
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SCARG(&ouap, addr) < (void *)round_page(p->p_vmspace->vm_daddr+MAXDSIZ))
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SCARG(&ouap, addr) = (void *)round_page(p->p_vmspace->vm_daddr+MAXDSIZ);
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SCARG(&ouap, len) = SCARG(uap, len);
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SCARG(&ouap, prot) = SCARG(uap, prot);
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SCARG(&ouap, fd) = SCARG(uap, fd);
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SCARG(&ouap, pos) = SCARG(uap, pos);
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/*
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* Special case: if fd refers to /dev/zero, map as MAP_ANON. (XXX)
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*/
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fdp = p->p_fd;
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if ((unsigned)SCARG(&ouap, fd) < fdp->fd_nfiles && /*XXX*/
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(fp = fdp->fd_ofiles[SCARG(&ouap, fd)]) != NULL && /*XXX*/
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fp->f_type == DTYPE_VNODE && /*XXX*/
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(vp = (struct vnode *)fp->f_data)->v_type == VCHR && /*XXX*/
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iszerodev(vp->v_rdev)) { /*XXX*/
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SCARG(&ouap, flags) |= MAP_ANON;
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SCARG(&ouap, fd) = -1;
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}
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return (sys_mmap(p, &ouap, retval));
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}
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int
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ultrix_sys_setsockopt(p, v, retval)
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struct proc *p;
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void *v;
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register_t *retval;
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{
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register struct ultrix_sys_setsockopt_args *uap = v;
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struct file *fp;
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struct mbuf *m = NULL;
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int error;
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if ((error = getsock(p->p_fd, SCARG(uap, s), &fp)) != 0)
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return (error);
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#define SO_DONTLINGER (~SO_LINGER)
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if (SCARG(uap, name) == SO_DONTLINGER) {
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m = m_get(M_WAIT, MT_SOOPTS);
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mtod(m, struct linger *)->l_onoff = 0;
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m->m_len = sizeof(struct linger);
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return (sosetopt((struct socket *)fp->f_data, SCARG(uap, level),
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SO_LINGER, m));
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}
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if (SCARG(uap, level) == IPPROTO_IP) {
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#define EMUL_IP_MULTICAST_IF 2
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#define EMUL_IP_MULTICAST_TTL 3
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#define EMUL_IP_MULTICAST_LOOP 4
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#define EMUL_IP_ADD_MEMBERSHIP 5
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#define EMUL_IP_DROP_MEMBERSHIP 6
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static int ipoptxlat[] = {
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IP_MULTICAST_IF,
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IP_MULTICAST_TTL,
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IP_MULTICAST_LOOP,
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IP_ADD_MEMBERSHIP,
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IP_DROP_MEMBERSHIP
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};
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if (SCARG(uap, name) >= EMUL_IP_MULTICAST_IF &&
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SCARG(uap, name) <= EMUL_IP_DROP_MEMBERSHIP) {
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SCARG(uap, name) =
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ipoptxlat[SCARG(uap, name) - EMUL_IP_MULTICAST_IF];
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}
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}
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if (SCARG(uap, valsize) > MLEN)
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return (EINVAL);
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if (SCARG(uap, val)) {
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m = m_get(M_WAIT, MT_SOOPTS);
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error = copyin(SCARG(uap, val), mtod(m, caddr_t),
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(u_int)SCARG(uap, valsize));
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if (error) {
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(void) m_free(m);
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return (error);
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}
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m->m_len = SCARG(uap, valsize);
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}
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return (sosetopt((struct socket *)fp->f_data, SCARG(uap, level),
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SCARG(uap, name), m));
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}
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struct ultrix_utsname {
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char sysname[9];
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char nodename[9];
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char nodeext[65-9];
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char release[9];
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char version[9];
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char machine[9];
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};
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int
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ultrix_sys_uname(p, v, retval)
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struct proc *p;
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void *v;
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register_t *retval;
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{
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struct ultrix_sys_uname_args *uap = v;
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struct ultrix_utsname sut;
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extern char ostype[], machine[], osrelease[];
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bzero(&sut, sizeof(sut));
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bcopy(ostype, sut.sysname, sizeof(sut.sysname) - 1);
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bcopy(hostname, sut.nodename, sizeof(sut.nodename));
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sut.nodename[sizeof(sut.nodename)-1] = '\0';
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bcopy(osrelease, sut.release, sizeof(sut.release) - 1);
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bcopy("1", sut.version, sizeof(sut.version) - 1);
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bcopy(machine, sut.machine, sizeof(sut.machine) - 1);
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return copyout((caddr_t)&sut, (caddr_t)SCARG(uap, name),
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sizeof(struct ultrix_utsname));
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}
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int
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ultrix_sys_setpgrp(p, v, retval)
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struct proc *p;
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void *v;
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register_t *retval;
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{
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struct ultrix_sys_setpgrp_args *uap = v;
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/*
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* difference to our setpgid call is to include backwards
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* compatibility to pre-setsid() binaries. Do setsid()
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* instead of setpgid() in those cases where the process
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* tries to create a new session the old way.
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*/
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if (!SCARG(uap, pgid) &&
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(!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid))
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return sys_setsid(p, uap, retval);
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else
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return sys_setpgid(p, uap, retval);
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}
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#if defined (NFSSERVER)
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int
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ultrix_sys_nfssvc(p, v, retval)
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struct proc *p;
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void *v;
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register_t *retval;
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{
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#if 0 /* XXX */
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struct ultrix_sys_nfssvc_args *uap = v;
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struct emul *e = p->p_emul;
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struct sys_nfssvc_args outuap;
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struct sockaddr sa;
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int error;
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bzero(&outuap, sizeof outuap);
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SCARG(&outuap, fd) = SCARG(uap, fd);
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SCARG(&outuap, mskval) = STACKGAPBASE;
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SCARG(&outuap, msklen) = sizeof sa;
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SCARG(&outuap, mtchval) = outuap.mskval + sizeof sa;
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SCARG(&outuap, mtchlen) = sizeof sa;
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|
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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 */
|
|
};
|
|
|
|
int
|
|
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)) != 0)
|
|
return (error);
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
ultrix_sys_quotactl(p, v, retval)
|
|
struct proc *p;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
|
|
#ifdef notyet
|
|
struct ultrix_sys_quotactl_args *uap = v;
|
|
#endif
|
|
|
|
return EINVAL;
|
|
}
|
|
|
|
int
|
|
ultrix_sys_vhangup(p, v, retval)
|
|
struct proc *p;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
/*
|
|
* RISC Ultrix cache control syscalls
|
|
*/
|
|
#ifdef __mips
|
|
int
|
|
ultrix_sys_cacheflush(p, v, retval)
|
|
register struct proc *p;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
register struct ultrix_sys_cacheflush_args /* {
|
|
syscallarg(void *) addr;
|
|
syscallarg(int) nbytes;
|
|
syscallarg(int) flag;
|
|
} */ *uap = v;
|
|
register vm_offset_t va = (vm_offset_t)SCARG(uap, addr);
|
|
register int nbytes = SCARG(uap, nbytes);
|
|
register int whichcache = SCARG(uap, whichcache);
|
|
|
|
return (mips_user_cacheflush(p, va, nbytes, whichcache));
|
|
}
|
|
|
|
|
|
int
|
|
ultrix_sys_cachectl(p, v, retval)
|
|
register struct proc *p;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
register struct ultrix_sys_cachectl_args /* {
|
|
syscallarg(void *) addr;
|
|
syscallarg(int) nbytes;
|
|
syscallarg(int) cacheop;
|
|
} */ *uap = v;
|
|
register vm_offset_t va = (vm_offset_t)SCARG(uap, addr);
|
|
register int nbytes = SCARG(uap, nbytes);
|
|
register int cacheop = SCARG(uap, cacheop);
|
|
|
|
return mips_user_cachectl(p, va, nbytes, cacheop);
|
|
}
|
|
|
|
#endif /* __mips */
|
|
|
|
|
|
int
|
|
ultrix_sys_exportfs(p, v, retval)
|
|
struct proc *p;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
#ifdef notyet
|
|
struct ultrix_sys_exportfs_args *uap = v;
|
|
#endif
|
|
|
|
/*
|
|
* XXX: should perhaps translate into a mount(2)
|
|
* with MOUNT_EXPORT?
|
|
*/
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
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)));
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
|
|
int
|
|
ultrix_sys_shmsys(p, v, retval)
|
|
struct proc *p;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
|
|
#ifdef SYSVSHM
|
|
|
|
/* Ultrix SVSHM weirndess: */
|
|
struct ultrix_sys_shmsys_args *uap = v;
|
|
struct sys_shmat_args shmat_args;
|
|
struct sys_shmctl_args shmctl_args;
|
|
struct sys_shmdt_args shmdt_args;
|
|
struct sys_shmget_args shmget_args;
|
|
|
|
|
|
switch (SCARG(uap, shmop)) {
|
|
case 0: /* Ultrix shmat() */
|
|
SCARG(&shmat_args, shmid) = SCARG(uap, a2);
|
|
SCARG(&shmat_args, shmaddr) = (void *)SCARG(uap, a3);
|
|
SCARG(&shmat_args, shmflg) = SCARG(uap, a4);
|
|
return (sys_shmat(p, &shmat_args, retval));
|
|
|
|
case 1: /* Ultrix shmctl() */
|
|
SCARG(&shmctl_args, shmid) = SCARG(uap, a2);
|
|
SCARG(&shmctl_args, cmd) = SCARG(uap, a3);
|
|
SCARG(&shmctl_args, buf) = (struct shmid_ds *)SCARG(uap, a4);
|
|
return (sys_shmctl(p, &shmctl_args, retval));
|
|
|
|
case 2: /* Ultrix shmdt() */
|
|
SCARG(&shmat_args, shmaddr) = (void *)SCARG(uap, a2);
|
|
return (sys_shmdt(p, &shmdt_args, retval));
|
|
|
|
case 3: /* Ultrix shmget() */
|
|
SCARG(&shmget_args, key) = SCARG(uap, a2);
|
|
SCARG(&shmget_args, size) = SCARG(uap, a3);
|
|
SCARG(&shmget_args, shmflg) = SCARG(uap, a4)
|
|
& (IPC_CREAT|IPC_EXCL|IPC_NOWAIT);
|
|
return (sys_shmget(p, &shmget_args, retval));
|
|
|
|
default:
|
|
return (EINVAL);
|
|
}
|
|
#else
|
|
return (EOPNOTSUPP);
|
|
#endif /* SYSVSHM */
|
|
}
|