1339 lines
29 KiB
C
1339 lines
29 KiB
C
/* $NetBSD: hpux_compat.c,v 1.47 2000/03/25 20:23:05 frueauf Exp $ */
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/*
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* Copyright (c) 1988 University of Utah.
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* Copyright (c) 1990, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* the Systems Programming Group of the University of Utah Computer
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* Science Department.
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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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* from: Utah $Hdr: hpux_compat.c 1.64 93/08/05$
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*
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* @(#)hpux_compat.c 8.4 (Berkeley) 2/13/94
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*/
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/*
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* Various HP-UX compatibility routines
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*/
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#include "opt_sysv.h"
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#include "opt_compat_43.h"
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#ifndef COMPAT_43
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#define COMPAT_43
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#endif
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/signalvar.h>
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#include <sys/kernel.h>
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#include <sys/filedesc.h>
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#include <sys/proc.h>
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#include <sys/buf.h>
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#include <sys/wait.h>
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#include <sys/exec.h>
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#include <sys/file.h>
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#include <sys/namei.h>
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#include <sys/vnode.h>
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#include <sys/ioctl.h>
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#include <sys/ptrace.h>
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#include <sys/stat.h>
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#include <sys/syslog.h>
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#include <sys/malloc.h>
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#include <sys/mount.h>
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#include <sys/ipc.h>
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#include <sys/user.h>
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#include <sys/mman.h>
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#include <vm/vm.h>
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#include <machine/cpu.h>
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#include <machine/reg.h>
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#include <machine/psl.h>
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#include <machine/vmparam.h>
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#include <sys/syscallargs.h>
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#include <compat/hpux/hpux.h>
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#include <compat/hpux/hpux_sig.h>
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#include <compat/hpux/hpux_util.h>
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#include <compat/hpux/hpux_termio.h>
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#include <compat/hpux/hpux_syscall.h>
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#include <compat/hpux/hpux_syscallargs.h>
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#include <machine/hpux_machdep.h>
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#ifdef DEBUG
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int unimpresponse = 0;
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#endif
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extern char sigcode[], esigcode[];
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extern struct sysent hpux_sysent[];
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extern char *hpux_syscallnames[];
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int hpuxtobsdioctl __P((u_long));
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static int hpux_scale __P((struct timeval *));
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/*
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* HP-UX fork and vfork need to map the EAGAIN return value appropriately.
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*/
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int
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hpux_sys_fork(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 hpux_sys_fork_args *uap = v; */
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int error;
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error = sys_fork(p, v, retval);
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if (error == EAGAIN)
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error = OEAGAIN;
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return (error);
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}
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int
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hpux_sys_vfork(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 hpux_sys_vfork_args *uap = v; */
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int error;
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error = sys_vfork(p, v, retval);
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if (error == EAGAIN)
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error = OEAGAIN;
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return (error);
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}
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/*
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* HP-UX versions of wait and wait3 actually pass the parameters
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* (status pointer, options, rusage) into the kernel rather than
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* handling it in the C library stub. We also need to map any
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* termination signal from BSD to HP-UX.
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*/
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int
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hpux_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 hpux_sys_wait3_args *uap = v;
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/* rusage pointer must be zero */
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if (SCARG(uap, rusage))
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return (EINVAL);
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#if __mc68k__
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p->p_md.md_regs[PS] = PSL_ALLCC;
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p->p_md.md_regs[R0] = SCARG(uap, options);
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p->p_md.md_regs[R1] = SCARG(uap, rusage);
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#endif
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return (hpux_sys_wait(p, uap, retval));
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}
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int
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hpux_sys_wait(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 hpux_sys_wait_args *uap = v;
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struct sys_wait4_args w4;
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int error;
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int sig;
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size_t sz = sizeof(*SCARG(&w4, status));
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int status;
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SCARG(&w4, rusage) = NULL;
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SCARG(&w4, options) = 0;
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if (SCARG(uap, status) == NULL) {
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caddr_t sg = stackgap_init(p->p_emul);
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SCARG(&w4, status) = stackgap_alloc(&sg, sz);
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}
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else
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SCARG(&w4, status) = SCARG(uap, status);
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SCARG(&w4, pid) = WAIT_ANY;
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error = sys_wait4(p, &w4, retval);
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/*
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* HP-UX wait always returns EINTR when interrupted by a signal
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* (well, unless its emulating a BSD process, but we don't bother...)
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*/
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if (error == ERESTART)
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error = EINTR;
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if (error)
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return error;
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if ((error = copyin(SCARG(&w4, status), &status, sizeof(status))) != 0)
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return error;
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sig = status & 0xFF;
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if (sig == WSTOPPED) {
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sig = (status >> 8) & 0xFF;
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retval[1] = (bsdtohpuxsig(sig) << 8) | WSTOPPED;
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} else if (sig)
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retval[1] = (status & 0xFF00) |
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bsdtohpuxsig(sig & 0x7F) | (sig & 0x80);
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if (SCARG(uap, status) == NULL)
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return error;
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else
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return copyout(&retval[1],
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SCARG(uap, status), sizeof(retval[1]));
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}
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int
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hpux_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 hpux_sys_waitpid_args *uap = v;
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int rv, sig, xstat, error;
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SCARG(uap, rusage) = 0;
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error = sys_wait4(p, uap, retval);
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/*
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* HP-UX wait always returns EINTR when interrupted by a signal
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* (well, unless its emulating a BSD process, but we don't bother...)
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*/
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if (error == ERESTART)
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error = EINTR;
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if (error)
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return (error);
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if (SCARG(uap, status)) {
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/*
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* Wait4 already wrote the status out to user space,
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* pull it back, change the signal portion, and write
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* it back out.
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*/
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rv = fuword((caddr_t)SCARG(uap, status));
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if (WIFSTOPPED(rv)) {
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sig = WSTOPSIG(rv);
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rv = W_STOPCODE(bsdtohpuxsig(sig));
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} else if (WIFSIGNALED(rv)) {
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sig = WTERMSIG(rv);
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xstat = WEXITSTATUS(rv);
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rv = W_EXITCODE(xstat, bsdtohpuxsig(sig)) |
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WCOREDUMP(rv);
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}
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(void)suword((caddr_t)SCARG(uap, status), rv);
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}
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return (error);
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}
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/*
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* Read and write calls. Same as BSD except for non-blocking behavior.
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* There are three types of non-blocking reads/writes in HP-UX checked
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* in the following order:
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*
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* O_NONBLOCK: return -1 and errno == EAGAIN
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* O_NDELAY: return 0
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* FIOSNBIO: return -1 and errno == EWOULDBLOCK
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*/
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int
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hpux_sys_read(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 hpux_sys_read_args *uap = v;
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int error;
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error = sys_read(p, (struct sys_read_args *) uap, retval);
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if (error == EWOULDBLOCK) {
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char *fp = &p->p_fd->fd_ofileflags[SCARG(uap, fd)];
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if (*fp & HPUX_UF_NONBLOCK_ON) {
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*retval = -1;
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error = OEAGAIN;
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} else if (*fp & HPUX_UF_FNDELAY_ON) {
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*retval = 0;
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error = 0;
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}
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}
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return (error);
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}
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int
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hpux_sys_write(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 hpux_sys_write_args *uap = v;
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int error;
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error = sys_write(p, (struct sys_write_args *) uap, retval);
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if (error == EWOULDBLOCK) {
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char *fp = &p->p_fd->fd_ofileflags[SCARG(uap, fd)];
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if (*fp & HPUX_UF_NONBLOCK_ON) {
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*retval = -1;
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error = OEAGAIN;
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} else if (*fp & HPUX_UF_FNDELAY_ON) {
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*retval = 0;
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error = 0;
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}
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}
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return (error);
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}
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int
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hpux_sys_readv(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 hpux_sys_readv_args *uap = v;
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int error;
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error = sys_readv(p, (struct sys_readv_args *) uap, retval);
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if (error == EWOULDBLOCK) {
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char *fp = &p->p_fd->fd_ofileflags[SCARG(uap, fd)];
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if (*fp & HPUX_UF_NONBLOCK_ON) {
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*retval = -1;
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error = OEAGAIN;
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} else if (*fp & HPUX_UF_FNDELAY_ON) {
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*retval = 0;
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error = 0;
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}
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}
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return (error);
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}
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int
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hpux_sys_writev(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 hpux_sys_writev_args *uap = v;
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int error;
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error = sys_writev(p, (struct sys_writev_args *) uap, retval);
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if (error == EWOULDBLOCK) {
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char *fp = &p->p_fd->fd_ofileflags[SCARG(uap, fd)];
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if (*fp & HPUX_UF_NONBLOCK_ON) {
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*retval = -1;
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error = OEAGAIN;
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} else if (*fp & HPUX_UF_FNDELAY_ON) {
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*retval = 0;
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error = 0;
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}
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}
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return (error);
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}
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/*
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* 4.3bsd dup allows dup2 to come in on the same syscall entry
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* and hence allows two arguments. HP-UX dup has only one arg.
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*/
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int
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hpux_sys_dup(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 hpux_sys_dup_args *uap = v;
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struct filedesc *fdp = p->p_fd;
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struct file *fp;
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int fd, error;
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if (((unsigned)SCARG(uap, fd)) >= fdp->fd_nfiles ||
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(fp = fdp->fd_ofiles[SCARG(uap, fd)]) == NULL)
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return (EBADF);
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if ((error = fdalloc(p, 0, &fd)))
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return (error);
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fdp->fd_ofiles[fd] = fp;
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fdp->fd_ofileflags[fd] =
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fdp->fd_ofileflags[SCARG(uap, fd)] &~ UF_EXCLOSE;
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fp->f_count++;
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if (fd > fdp->fd_lastfile)
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fdp->fd_lastfile = fd;
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*retval = fd;
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return (0);
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}
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int
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hpux_sys_utssys(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 hpux_sys_utssys_args *uap = v;
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int i;
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int error;
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struct hpux_utsname ut;
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extern char ostype[], hostname[], osrelease[], version[];
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extern char machine[];
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switch (SCARG(uap, request)) {
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/* uname */
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case 0:
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memset(&ut, 0, sizeof(ut));
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strncpy(ut.sysname, ostype, sizeof(ut.sysname));
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ut.sysname[sizeof(ut.sysname) - 1] = '\0';
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/* copy hostname (sans domain) to nodename */
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for (i = 0; i < 8 && hostname[i] != '.'; i++)
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ut.nodename[i] = hostname[i];
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ut.nodename[i] = '\0';
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strncpy(ut.release, osrelease, sizeof(ut.release));
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ut.release[sizeof(ut.release) - 1] = '\0';
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strncpy(ut.version, version, sizeof(ut.version));
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ut.version[sizeof(ut.version) - 1] = '\0';
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strncpy(ut.machine, machine, sizeof(ut.machine));
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ut.machine[sizeof(ut.machine) - 1] = '\0';
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error = copyout((caddr_t)&ut,
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(caddr_t)SCARG(uap, uts), sizeof(ut));
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break;
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/* gethostname */
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case 5:
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/* SCARG(uap, dev) is length */
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if (SCARG(uap, dev) > hostnamelen + 1)
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SCARG(uap, dev) = hostnamelen + 1;
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error = copyout((caddr_t)hostname, (caddr_t)SCARG(uap, uts),
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SCARG(uap, dev));
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break;
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case 1: /* ?? */
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case 2: /* ustat */
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case 3: /* ?? */
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case 4: /* sethostname */
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default:
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error = EINVAL;
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break;
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}
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return (error);
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}
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int
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hpux_sys_sysconf(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 hpux_sys_sysconf_args *uap = v;
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switch (SCARG(uap, name)) {
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case HPUX_SYSCONF_ARGMAX:
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*retval = ARG_MAX;
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break;
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case HPUX_SYSCONF_CHILDMAX:
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*retval = maxproc;
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break;
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case HPUX_SYSCONF_CLKTICK:
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*retval = hz;
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break;
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case HPUX_SYSCONF_NGRPMAX:
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*retval = NGROUPS_MAX;
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break;
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case HPUX_SYSCONF_OPENMAX:
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*retval = maxfiles;
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break;
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case HPUX_SYSCONF_JOBCNTRL:
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*retval = 1;
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break;
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case HPUX_SYSCONF_SAVEDIDS:
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#ifdef _POSIX_SAVED_IDS
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*retval = 1;
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#else
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*retval = 0;
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#endif
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break;
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case HPUX_SYSCONF_VERSION:
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*retval = 198808;
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break;
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/* architecture */
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case HPUX_SYSCONF_CPUTYPE:
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*retval = hpux_cpu_sysconf_arch();
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break;
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default:
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/* XXX */
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uprintf("HP-UX sysconf(%d) not implemented\n",
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SCARG(uap, name));
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return (EINVAL);
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}
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return (0);
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}
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int
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hpux_sys_ulimit(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 hpux_sys_ulimit_args *uap = v;
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struct rlimit *limp;
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int error = 0;
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limp = &p->p_rlimit[RLIMIT_FSIZE];
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switch (SCARG(uap, cmd)) {
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case 2:
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SCARG(uap, newlimit) *= 512;
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if (SCARG(uap, newlimit) > limp->rlim_max &&
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(error = suser(p->p_ucred, &p->p_acflag)))
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break;
|
|
limp->rlim_cur = limp->rlim_max = SCARG(uap, newlimit);
|
|
/* else fall into... */
|
|
|
|
case 1:
|
|
*retval = limp->rlim_max / 512;
|
|
break;
|
|
|
|
case 3:
|
|
limp = &p->p_rlimit[RLIMIT_DATA];
|
|
*retval = ctob(p->p_vmspace->vm_tsize) + limp->rlim_max;
|
|
break;
|
|
|
|
default:
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* Map "real time" priorities 0 (high) thru 127 (low) into nice
|
|
* values -16 (high) thru -1 (low).
|
|
*/
|
|
int
|
|
hpux_sys_rtprio(cp, v, retval)
|
|
struct proc *cp;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
struct hpux_sys_rtprio_args *uap = v;
|
|
struct proc *p;
|
|
int nice, error;
|
|
|
|
if (SCARG(uap, prio) < RTPRIO_MIN && SCARG(uap, prio) > RTPRIO_MAX &&
|
|
SCARG(uap, prio) != RTPRIO_NOCHG &&
|
|
SCARG(uap, prio) != RTPRIO_RTOFF)
|
|
return (EINVAL);
|
|
if (SCARG(uap, pid) == 0)
|
|
p = cp;
|
|
else if ((p = pfind(SCARG(uap, pid))) == 0)
|
|
return (ESRCH);
|
|
nice = p->p_nice - NZERO;
|
|
if (nice < 0)
|
|
*retval = (nice + 16) << 3;
|
|
else
|
|
*retval = RTPRIO_RTOFF;
|
|
switch (SCARG(uap, prio)) {
|
|
|
|
case RTPRIO_NOCHG:
|
|
return (0);
|
|
|
|
case RTPRIO_RTOFF:
|
|
if (nice >= 0)
|
|
return (0);
|
|
nice = 0;
|
|
break;
|
|
|
|
default:
|
|
nice = (SCARG(uap, prio) >> 3) - 16;
|
|
break;
|
|
}
|
|
error = donice(cp, p, nice);
|
|
if (error == EACCES)
|
|
error = EPERM;
|
|
return (error);
|
|
}
|
|
|
|
/* hpux_sys_advise() is found in hpux_machdep.c */
|
|
|
|
#if 0 /* XXX - This really, really doesn't work anymore. --scottr */
|
|
int
|
|
hpux_sys_ptrace(p, v, retval)
|
|
struct proc *p;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
struct hpux_sys_ptrace_args *uap = v;
|
|
int error;
|
|
#if defined(PT_READ_U) || defined(PT_WRITE_U)
|
|
int isps = 0;
|
|
struct proc *cp;
|
|
#endif
|
|
|
|
switch (SCARG(uap, req)) {
|
|
/* map signal */
|
|
#if defined(PT_STEP) || defined(PT_CONTINUE)
|
|
# ifdef PT_STEP
|
|
case PT_STEP:
|
|
# endif
|
|
# ifdef PT_CONTINUE
|
|
case PT_CONTINUE:
|
|
# endif
|
|
if (SCARG(uap, data)) {
|
|
SCARG(uap, data) = hpuxtobsdsig(SCARG(uap, data));
|
|
if (SCARG(uap, data) == 0)
|
|
SCARG(uap, data) = NSIG;
|
|
}
|
|
break;
|
|
#endif
|
|
/* map u-area offset */
|
|
#if defined(PT_READ_U) || defined(PT_WRITE_U)
|
|
# ifdef PT_READ_U
|
|
case PT_READ_U:
|
|
# endif
|
|
# ifdef PT_WRITE_U
|
|
case PT_WRITE_U:
|
|
# endif
|
|
/*
|
|
* Big, cheezy hack: hpux_to_bsd_uoff is really intended
|
|
* to be called in the child context (procxmt) but we
|
|
* do it here in the parent context to avoid hacks in
|
|
* the MI sys_process.c file. This works only because
|
|
* we can access the child's md_regs pointer and it
|
|
* has the correct value (the child has already trapped
|
|
* into the kernel).
|
|
*/
|
|
if ((cp = pfind(SCARG(uap, pid))) == 0)
|
|
return (ESRCH);
|
|
SCARG(uap, addr) =
|
|
(int *)hpux_to_bsd_uoff(SCARG(uap, addr), &isps, cp);
|
|
|
|
/*
|
|
* Since HP-UX PS is only 16-bits in ar0, requests
|
|
* to write PS actually contain the PS in the high word
|
|
* and the high half of the PC (the following register)
|
|
* in the low word. Move the PS value to where BSD
|
|
* expects it.
|
|
*/
|
|
if (isps && SCARG(uap, req) == PT_WRITE_U)
|
|
SCARG(uap, data) >>= 16;
|
|
break;
|
|
#endif
|
|
}
|
|
|
|
error = sys_ptrace(p, uap, retval);
|
|
/*
|
|
* Align PS as HP-UX expects it (see WRITE_U comment above).
|
|
* Note that we do not return the high part of PC like HP-UX
|
|
* would, but the HP-UX debuggers don't require it.
|
|
*/
|
|
#ifdef PT_READ_U
|
|
if (isps && error == 0 && SCARG(uap, req) == PT_READ_U)
|
|
*retval <<= 16;
|
|
#endif
|
|
return (error);
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* HP-UX mmap() emulation (mainly for shared library support).
|
|
*/
|
|
int
|
|
hpux_sys_mmap(p, v, retval)
|
|
struct proc *p;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
struct hpux_sys_mmap_args *uap = v;
|
|
struct sys_mmap_args /* {
|
|
syscallarg(caddr_t) addr;
|
|
syscallarg(size_t) len;
|
|
syscallarg(int) prot;
|
|
syscallarg(int) flags;
|
|
syscallarg(int) fd;
|
|
syscallarg(long) pad;
|
|
syscallarg(off_t) pos;
|
|
} */ nargs;
|
|
|
|
SCARG(&nargs, addr) = SCARG(uap, addr);
|
|
SCARG(&nargs, len) = SCARG(uap, len);
|
|
SCARG(&nargs, prot) = SCARG(uap, prot);
|
|
SCARG(&nargs, flags) = SCARG(uap, flags) &
|
|
~(HPUXMAP_FIXED|HPUXMAP_REPLACE|HPUXMAP_ANON);
|
|
if (SCARG(uap, flags) & HPUXMAP_FIXED)
|
|
SCARG(&nargs, flags) |= MAP_FIXED;
|
|
if (SCARG(uap, flags) & HPUXMAP_ANON)
|
|
SCARG(&nargs, flags) |= MAP_ANON;
|
|
SCARG(&nargs, fd) = (SCARG(&nargs, flags) & MAP_ANON) ? -1 : SCARG(uap, fd);
|
|
SCARG(&nargs, pos) = SCARG(uap, pos);
|
|
|
|
return (sys_mmap(p, &nargs, retval));
|
|
}
|
|
|
|
int
|
|
hpuxtobsdioctl(com)
|
|
u_long com;
|
|
{
|
|
switch (com) {
|
|
case HPUXTIOCSLTC:
|
|
com = TIOCSLTC; break;
|
|
case HPUXTIOCGLTC:
|
|
com = TIOCGLTC; break;
|
|
case HPUXTIOCSPGRP:
|
|
com = TIOCSPGRP; break;
|
|
case HPUXTIOCGPGRP:
|
|
com = TIOCGPGRP; break;
|
|
case HPUXTIOCLBIS:
|
|
com = TIOCLBIS; break;
|
|
case HPUXTIOCLBIC:
|
|
com = TIOCLBIC; break;
|
|
case HPUXTIOCLSET:
|
|
com = TIOCLSET; break;
|
|
case HPUXTIOCLGET:
|
|
com = TIOCLGET; break;
|
|
case HPUXTIOCGWINSZ:
|
|
com = TIOCGWINSZ; break;
|
|
case HPUXTIOCSWINSZ:
|
|
com = TIOCSWINSZ; break;
|
|
}
|
|
return(com);
|
|
}
|
|
|
|
/*
|
|
* HP-UX ioctl system call. The differences here are:
|
|
* IOC_IN also means IOC_VOID if the size portion is zero.
|
|
* no FIOCLEX/FIONCLEX/FIOASYNC/FIOGETOWN/FIOSETOWN
|
|
* the sgttyb struct is 2 bytes longer
|
|
*/
|
|
int
|
|
hpux_sys_ioctl(p, v, retval)
|
|
struct proc *p;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
struct hpux_sys_ioctl_args /* {
|
|
syscallarg(int) fd;
|
|
syscallarg(int) com;
|
|
syscallarg(caddr_t) data;
|
|
} */ *uap = v;
|
|
struct filedesc *fdp = p->p_fd;
|
|
struct file *fp;
|
|
int com, error = 0;
|
|
u_int size;
|
|
caddr_t memp = 0;
|
|
#define STK_PARAMS 128
|
|
char stkbuf[STK_PARAMS];
|
|
caddr_t dt = stkbuf;
|
|
|
|
com = SCARG(uap, com);
|
|
|
|
/* XXX */
|
|
if (com == HPUXTIOCGETP || com == HPUXTIOCSETP)
|
|
return (getsettty(p, SCARG(uap, fd), com, SCARG(uap, data)));
|
|
|
|
if (((unsigned)SCARG(uap, fd)) >= fdp->fd_nfiles ||
|
|
(fp = fdp->fd_ofiles[SCARG(uap, fd)]) == NULL)
|
|
return (EBADF);
|
|
if ((fp->f_flag & (FREAD|FWRITE)) == 0)
|
|
return (EBADF);
|
|
|
|
/*
|
|
* Interpret high order word to find
|
|
* amount of data to be copied to/from the
|
|
* user's address space.
|
|
*/
|
|
size = IOCPARM_LEN(com);
|
|
if (size > IOCPARM_MAX)
|
|
return (ENOTTY);
|
|
if (size > sizeof (stkbuf)) {
|
|
memp = (caddr_t)malloc((u_long)size, M_IOCTLOPS, M_WAITOK);
|
|
dt = memp;
|
|
}
|
|
if (com&IOC_IN) {
|
|
if (size) {
|
|
error = copyin(SCARG(uap, data), dt, (u_int)size);
|
|
if (error) {
|
|
if (memp)
|
|
free(memp, M_IOCTLOPS);
|
|
return (error);
|
|
}
|
|
} else
|
|
*(caddr_t *)dt = SCARG(uap, data);
|
|
} else if ((com&IOC_OUT) && size)
|
|
/*
|
|
* Zero the buffer so the user always
|
|
* gets back something deterministic.
|
|
*/
|
|
memset(dt, 0, size);
|
|
else if (com&IOC_VOID)
|
|
*(caddr_t *)dt = SCARG(uap, data);
|
|
|
|
switch (com) {
|
|
|
|
case HPUXFIOSNBIO:
|
|
{
|
|
char *ofp = &fdp->fd_ofileflags[SCARG(uap, fd)];
|
|
int tmp;
|
|
|
|
if (*(int *)dt)
|
|
*ofp |= HPUX_UF_FIONBIO_ON;
|
|
else
|
|
*ofp &= ~HPUX_UF_FIONBIO_ON;
|
|
/*
|
|
* Only set/clear if O_NONBLOCK/FNDELAY not in effect
|
|
*/
|
|
if ((*ofp & (HPUX_UF_NONBLOCK_ON|HPUX_UF_FNDELAY_ON)) == 0) {
|
|
tmp = *ofp & HPUX_UF_FIONBIO_ON;
|
|
error = (*fp->f_ops->fo_ioctl)(fp, FIONBIO,
|
|
(caddr_t)&tmp, p);
|
|
}
|
|
break;
|
|
}
|
|
|
|
case HPUXTIOCCONS:
|
|
*(int *)dt = 1;
|
|
error = (*fp->f_ops->fo_ioctl)(fp, TIOCCONS, dt, p);
|
|
break;
|
|
|
|
/* BSD-style job control ioctls */
|
|
case HPUXTIOCLBIS:
|
|
case HPUXTIOCLBIC:
|
|
case HPUXTIOCLSET:
|
|
*(int *)dt &= HPUXLTOSTOP;
|
|
if (*(int *)dt & HPUXLTOSTOP)
|
|
*(int *)dt = LTOSTOP;
|
|
/* fall into */
|
|
|
|
/* simple mapping cases */
|
|
case HPUXTIOCLGET:
|
|
case HPUXTIOCSLTC:
|
|
case HPUXTIOCGLTC:
|
|
case HPUXTIOCSPGRP:
|
|
case HPUXTIOCGPGRP:
|
|
case HPUXTIOCGWINSZ:
|
|
case HPUXTIOCSWINSZ:
|
|
error = (*fp->f_ops->fo_ioctl)
|
|
(fp, hpuxtobsdioctl(com), dt, p);
|
|
if (error == 0 && com == HPUXTIOCLGET) {
|
|
*(int *)dt &= LTOSTOP;
|
|
if (*(int *)dt & LTOSTOP)
|
|
*(int *)dt = HPUXLTOSTOP;
|
|
}
|
|
break;
|
|
|
|
/* SYS 5 termio and POSIX termios */
|
|
case HPUXTCGETA:
|
|
case HPUXTCSETA:
|
|
case HPUXTCSETAW:
|
|
case HPUXTCSETAF:
|
|
case HPUXTCGETATTR:
|
|
case HPUXTCSETATTR:
|
|
case HPUXTCSETATTRD:
|
|
case HPUXTCSETATTRF:
|
|
error = hpux_termio(SCARG(uap, fd), com, dt, p);
|
|
break;
|
|
|
|
default:
|
|
error = (*fp->f_ops->fo_ioctl)(fp, com, dt, p);
|
|
break;
|
|
}
|
|
/*
|
|
* Copy any data to user, size was
|
|
* already set and checked above.
|
|
*/
|
|
if (error == 0 && (com&IOC_OUT) && size)
|
|
error = copyout(dt, SCARG(uap, data), (u_int)size);
|
|
if (memp)
|
|
free(memp, M_IOCTLOPS);
|
|
return (error);
|
|
}
|
|
|
|
/* hpux_sys_getcontext() is found in hpux_machdep.c */
|
|
|
|
/*
|
|
* This is the equivalent of BSD getpgrp but with more restrictions.
|
|
* Note we do not check the real uid or "saved" uid.
|
|
*/
|
|
int
|
|
hpux_sys_getpgrp2(cp, v, retval)
|
|
struct proc *cp;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
struct hpux_sys_getpgrp2_args *uap = v;
|
|
struct proc *p;
|
|
|
|
if (SCARG(uap, pid) == 0)
|
|
SCARG(uap, pid) = cp->p_pid;
|
|
p = pfind(SCARG(uap, pid));
|
|
if (p == 0)
|
|
return (ESRCH);
|
|
if (cp->p_ucred->cr_uid && p->p_ucred->cr_uid != cp->p_ucred->cr_uid &&
|
|
!inferior(p))
|
|
return (EPERM);
|
|
*retval = p->p_pgid;
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* This is the equivalent of BSD setpgrp but with more restrictions.
|
|
* Note we do not check the real uid or "saved" uid or pgrp.
|
|
*/
|
|
int
|
|
hpux_sys_setpgrp2(p, v, retval)
|
|
struct proc *p;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
struct hpux_sys_setpgrp2_args *uap = v;
|
|
|
|
/* empirically determined */
|
|
if (SCARG(uap, pgid) < 0 || SCARG(uap, pgid) >= 30000)
|
|
return (EINVAL);
|
|
return (sys_setpgid(p, uap, retval));
|
|
}
|
|
|
|
/*
|
|
* XXX Same as BSD setre[ug]id right now. Need to consider saved ids.
|
|
*/
|
|
int
|
|
hpux_sys_setresuid(p, v, retval)
|
|
struct proc *p;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
struct hpux_sys_setresuid_args *uap = v;
|
|
|
|
return (sys_setreuid(p, uap, retval));
|
|
}
|
|
|
|
int
|
|
hpux_sys_setresgid(p, v, retval)
|
|
struct proc *p;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
struct hpux_sys_setresgid_args *uap = v;
|
|
|
|
return (sys_setregid(p, uap, retval));
|
|
}
|
|
|
|
int
|
|
hpux_sys_getrlimit(p, v, retval)
|
|
struct proc *p;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
struct hpux_sys_getrlimit_args *uap = v;
|
|
struct compat_43_sys_getrlimit_args ap;
|
|
|
|
if (SCARG(uap, which) > HPUXRLIMIT_NOFILE)
|
|
return (EINVAL);
|
|
if (SCARG(uap, which) == HPUXRLIMIT_NOFILE)
|
|
SCARG(uap, which) = RLIMIT_NOFILE;
|
|
|
|
SCARG(&ap, which) = SCARG(uap, which);
|
|
SCARG(&ap, rlp) = SCARG(uap, rlp);
|
|
|
|
return (compat_43_sys_getrlimit(p, uap, retval));
|
|
}
|
|
|
|
int
|
|
hpux_sys_setrlimit(p, v, retval)
|
|
struct proc *p;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
struct hpux_sys_setrlimit_args *uap = v;
|
|
struct compat_43_sys_setrlimit_args ap;
|
|
|
|
if (SCARG(uap, which) > HPUXRLIMIT_NOFILE)
|
|
return (EINVAL);
|
|
if (SCARG(uap, which) == HPUXRLIMIT_NOFILE)
|
|
SCARG(uap, which) = RLIMIT_NOFILE;
|
|
|
|
SCARG(&ap, which) = SCARG(uap, which);
|
|
SCARG(&ap, rlp) = SCARG(uap, rlp);
|
|
|
|
return (compat_43_sys_setrlimit(p, uap, retval));
|
|
}
|
|
|
|
/*
|
|
* XXX: simple recognition hack to see if we can make grmd work.
|
|
*/
|
|
int
|
|
hpux_sys_lockf(p, v, retval)
|
|
struct proc *p;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
/* struct hpux_sys_lockf_args *uap = v; */
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
hpux_sys_getaccess(p, v, retval)
|
|
struct proc *p;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
struct hpux_sys_getaccess_args *uap = v;
|
|
int lgroups[NGROUPS];
|
|
int error = 0;
|
|
struct ucred *cred;
|
|
struct vnode *vp;
|
|
struct nameidata nd;
|
|
|
|
/*
|
|
* Build an appropriate credential structure
|
|
*/
|
|
cred = crdup(p->p_ucred);
|
|
switch (SCARG(uap, uid)) {
|
|
case 65502: /* UID_EUID */
|
|
break;
|
|
case 65503: /* UID_RUID */
|
|
cred->cr_uid = p->p_cred->p_ruid;
|
|
break;
|
|
case 65504: /* UID_SUID */
|
|
error = EINVAL;
|
|
break;
|
|
default:
|
|
if (SCARG(uap, uid) > 65504)
|
|
error = EINVAL;
|
|
cred->cr_uid = SCARG(uap, uid);
|
|
break;
|
|
}
|
|
switch (SCARG(uap, ngroups)) {
|
|
case -1: /* NGROUPS_EGID */
|
|
cred->cr_ngroups = 1;
|
|
break;
|
|
case -5: /* NGROUPS_EGID_SUPP */
|
|
break;
|
|
case -2: /* NGROUPS_RGID */
|
|
cred->cr_ngroups = 1;
|
|
cred->cr_gid = p->p_cred->p_rgid;
|
|
break;
|
|
case -6: /* NGROUPS_RGID_SUPP */
|
|
cred->cr_gid = p->p_cred->p_rgid;
|
|
break;
|
|
case -3: /* NGROUPS_SGID */
|
|
case -7: /* NGROUPS_SGID_SUPP */
|
|
error = EINVAL;
|
|
break;
|
|
case -4: /* NGROUPS_SUPP */
|
|
if (cred->cr_ngroups > 1)
|
|
cred->cr_gid = cred->cr_groups[1];
|
|
else
|
|
error = EINVAL;
|
|
break;
|
|
default:
|
|
if (SCARG(uap, ngroups) > 0 && SCARG(uap, ngroups) <= NGROUPS)
|
|
error = copyin((caddr_t)SCARG(uap, gidset),
|
|
(caddr_t)&lgroups[0],
|
|
SCARG(uap, ngroups) *
|
|
sizeof(lgroups[0]));
|
|
else
|
|
error = EINVAL;
|
|
if (error == 0) {
|
|
int gid;
|
|
|
|
for (gid = 0; gid < SCARG(uap, ngroups); gid++)
|
|
cred->cr_groups[gid] = lgroups[gid];
|
|
cred->cr_ngroups = SCARG(uap, ngroups);
|
|
}
|
|
break;
|
|
}
|
|
/*
|
|
* Lookup file using caller's effective IDs.
|
|
*/
|
|
if (error == 0) {
|
|
NDINIT(&nd, LOOKUP, FOLLOW | LOCKLEAF, UIO_USERSPACE,
|
|
SCARG(uap, path), p);
|
|
error = namei(&nd);
|
|
}
|
|
if (error) {
|
|
crfree(cred);
|
|
return (error);
|
|
}
|
|
/*
|
|
* Use the constructed credentials for access checks.
|
|
*/
|
|
vp = nd.ni_vp;
|
|
*retval = 0;
|
|
if (VOP_ACCESS(vp, VREAD, cred, p) == 0)
|
|
*retval |= R_OK;
|
|
if (vn_writechk(vp) == 0 && VOP_ACCESS(vp, VWRITE, cred, p) == 0)
|
|
*retval |= W_OK;
|
|
if (VOP_ACCESS(vp, VEXEC, cred, p) == 0)
|
|
*retval |= X_OK;
|
|
vput(vp);
|
|
crfree(cred);
|
|
return (error);
|
|
}
|
|
|
|
/* hpux_to_bsd_uoff() is found in hpux_machdep.c */
|
|
|
|
/*
|
|
* Ancient HP-UX system calls. Some 9.x executables even use them!
|
|
*/
|
|
#define HPUX_HZ 50
|
|
|
|
#include <sys/times.h>
|
|
|
|
|
|
/*
|
|
* SYS V style setpgrp()
|
|
*/
|
|
int
|
|
hpux_sys_setpgrp_6x(p, v, retval)
|
|
struct proc *p;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
|
|
if (p->p_pid != p->p_pgid)
|
|
enterpgrp(p, p->p_pid, 0);
|
|
*retval = p->p_pgid;
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
hpux_sys_time_6x(p, v, retval)
|
|
struct proc *p;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
struct hpux_sys_time_6x_args /* {
|
|
syscallarg(time_t *) t;
|
|
} */ *uap = v;
|
|
int error = 0;
|
|
struct timeval tv;
|
|
|
|
microtime(&tv);
|
|
if (SCARG(uap, t) != NULL)
|
|
error = copyout(&tv.tv_sec, SCARG(uap, t), sizeof(time_t));
|
|
|
|
*retval = (register_t)tv.tv_sec;
|
|
return (error);
|
|
}
|
|
|
|
int
|
|
hpux_sys_stime_6x(p, v, retval)
|
|
struct proc *p;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
struct hpux_sys_stime_6x_args /* {
|
|
syscallarg(int) time;
|
|
} */ *uap = v;
|
|
struct timeval tv;
|
|
int s, error;
|
|
|
|
tv.tv_sec = SCARG(uap, time);
|
|
tv.tv_usec = 0;
|
|
if ((error = suser(p->p_ucred, &p->p_acflag)))
|
|
return (error);
|
|
|
|
/* WHAT DO WE DO ABOUT PENDING REAL-TIME TIMEOUTS??? */
|
|
boottime.tv_sec += tv.tv_sec - time.tv_sec;
|
|
s = splclock(); time = tv; splx(s);
|
|
resettodr();
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
hpux_sys_ftime_6x(p, v, retval)
|
|
struct proc *p;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
struct hpux_sys_ftime_6x_args /* {
|
|
syscallarg(struct hpux_timeb *) tp;
|
|
} */ *uap = v;
|
|
struct hpux_otimeb tb;
|
|
int s;
|
|
|
|
s = splclock();
|
|
tb.time = time.tv_sec;
|
|
tb.millitm = time.tv_usec / 1000;
|
|
splx(s);
|
|
/* NetBSD has no kernel notion of timezone -- fake it. */
|
|
tb.timezone = 0;
|
|
tb.dstflag = 0;
|
|
return (copyout((caddr_t)&tb, (caddr_t)SCARG(uap, tp), sizeof (tb)));
|
|
}
|
|
|
|
int
|
|
hpux_sys_alarm_6x(p, v, retval)
|
|
struct proc *p;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
struct hpux_sys_alarm_6x_args /* {
|
|
syscallarg(int) deltat;
|
|
} */ *uap = v;
|
|
int s = splhigh();
|
|
|
|
callout_stop(&p->p_realit_ch);
|
|
timerclear(&p->p_realtimer.it_interval);
|
|
*retval = 0;
|
|
if (timerisset(&p->p_realtimer.it_value) &&
|
|
timercmp(&p->p_realtimer.it_value, &time, >))
|
|
*retval = p->p_realtimer.it_value.tv_sec - time.tv_sec;
|
|
if (SCARG(uap, deltat) == 0) {
|
|
timerclear(&p->p_realtimer.it_value);
|
|
splx(s);
|
|
return (0);
|
|
}
|
|
p->p_realtimer.it_value = time;
|
|
p->p_realtimer.it_value.tv_sec += SCARG(uap, deltat);
|
|
callout_reset(&p->p_realit_ch, hzto(&p->p_realtimer.it_value),
|
|
realitexpire, p);
|
|
splx(s);
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
hpux_sys_nice_6x(p, v, retval)
|
|
struct proc *p;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
struct hpux_sys_nice_6x_args /* {
|
|
syscallarg(int) nval;
|
|
} */ *uap = v;
|
|
int error;
|
|
|
|
error = donice(p, p, (p->p_nice - NZERO) + SCARG(uap, nval));
|
|
if (error == 0)
|
|
*retval = p->p_nice - NZERO;
|
|
return (error);
|
|
}
|
|
|
|
int
|
|
hpux_sys_times_6x(p, v, retval)
|
|
struct proc *p;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
struct hpux_sys_times_6x_args /* {
|
|
syscallarg(struct tms *) tms;
|
|
} */ *uap = v;
|
|
struct timeval ru, rs;
|
|
struct tms atms;
|
|
int error;
|
|
|
|
calcru(p, &ru, &rs, NULL);
|
|
atms.tms_utime = hpux_scale(&ru);
|
|
atms.tms_stime = hpux_scale(&rs);
|
|
atms.tms_cutime = hpux_scale(&p->p_stats->p_cru.ru_utime);
|
|
atms.tms_cstime = hpux_scale(&p->p_stats->p_cru.ru_stime);
|
|
error = copyout((caddr_t)&atms, (caddr_t)SCARG(uap, tms),
|
|
sizeof (atms));
|
|
if (error == 0)
|
|
*(time_t *)retval = hpux_scale((struct timeval *)&time) -
|
|
hpux_scale(&boottime);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* Doesn't exactly do what the documentation says.
|
|
* What we really do is return 1/HPUX_HZ-th of a second since that
|
|
* is what HP-UX returns.
|
|
*/
|
|
static int
|
|
hpux_scale(tvp)
|
|
struct timeval *tvp;
|
|
{
|
|
return (tvp->tv_sec * HPUX_HZ + tvp->tv_usec * HPUX_HZ / 1000000);
|
|
}
|
|
|
|
/*
|
|
* Set IUPD and IACC times on file.
|
|
* Can't set ICHG.
|
|
*/
|
|
int
|
|
hpux_sys_utime_6x(p, v, retval)
|
|
struct proc *p;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
struct hpux_sys_utime_6x_args /* {
|
|
syscallarg(char *) fname;
|
|
syscallarg(time_t *) tptr;
|
|
} */ *uap = v;
|
|
struct vnode *vp;
|
|
struct vattr vattr;
|
|
time_t tv[2];
|
|
int error;
|
|
struct nameidata nd;
|
|
|
|
if (SCARG(uap, tptr)) {
|
|
error = copyin((caddr_t)SCARG(uap, tptr), (caddr_t)tv,
|
|
sizeof (tv));
|
|
if (error)
|
|
return (error);
|
|
} else
|
|
tv[0] = tv[1] = time.tv_sec;
|
|
vattr_null(&vattr);
|
|
vattr.va_atime.tv_sec = tv[0];
|
|
vattr.va_atime.tv_nsec = 0;
|
|
vattr.va_mtime.tv_sec = tv[1];
|
|
vattr.va_mtime.tv_nsec = 0;
|
|
NDINIT(&nd, LOOKUP, FOLLOW | LOCKLEAF, UIO_USERSPACE,
|
|
SCARG(uap, fname), p);
|
|
if ((error = namei(&nd)))
|
|
return (error);
|
|
vp = nd.ni_vp;
|
|
if (vp->v_mount->mnt_flag & MNT_RDONLY)
|
|
error = EROFS;
|
|
else
|
|
error = VOP_SETATTR(vp, &vattr, nd.ni_cnd.cn_cred, p);
|
|
vput(vp);
|
|
return (error);
|
|
}
|
|
|
|
int
|
|
hpux_sys_pause_6x(p, v, retval)
|
|
struct proc *p;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
|
|
return (sigsuspend1(p, &p->p_sigmask));
|
|
}
|