/* $OpenBSD: sunos_misc.c,v 1.9 1997/01/15 23:00:00 kstailey Exp $ */ /* $NetBSD: sunos_misc.c,v 1.65 1996/04/22 01:44:31 christos Exp $ */ /* * Copyright (c) 1992, 1993 * The Regents of the University of California. All rights reserved. * * This software was developed by the Computer Systems Engineering group * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and * contributed to Berkeley. * * All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Lawrence Berkeley Laboratory. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)sunos_misc.c 8.1 (Berkeley) 6/18/93 * * Header: sunos_misc.c,v 1.16 93/04/07 02:46:27 torek Exp */ /* * SunOS compatibility module. * * SunOS system calls that are implemented differently in BSD are * handled here. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef sun3 # include /* for prototype of reboot2() */ #endif static int sunstatfs __P((struct statfs *, caddr_t)); int sunos_sys_wait4(p, v, retval) struct proc *p; void *v; register_t *retval; { struct sunos_sys_wait4_args *uap = v; if (SCARG(uap, pid) == 0) SCARG(uap, pid) = WAIT_ANY; return (sys_wait4(p, uap, retval)); } int sunos_sys_creat(p, v, retval) struct proc *p; void *v; register_t *retval; { struct sunos_sys_creat_args *uap = v; struct sys_open_args ouap; caddr_t sg = stackgap_init(p->p_emul); SUNOS_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); SCARG(&ouap, path) = SCARG(uap, path); SCARG(&ouap, flags) = O_WRONLY | O_CREAT | O_TRUNC; SCARG(&ouap, mode) = SCARG(uap, mode); return (sys_open(p, &ouap, retval)); } int sunos_sys_access(p, v, retval) struct proc *p; void *v; register_t *retval; { struct sunos_sys_access_args *uap = v; caddr_t sg = stackgap_init(p->p_emul); SUNOS_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); return (sys_access(p, uap, retval)); } int sunos_sys_stat(p, v, retval) struct proc *p; void *v; register_t *retval; { struct sunos_sys_stat_args *uap = v; caddr_t sg = stackgap_init(p->p_emul); SUNOS_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); return (compat_43_sys_stat(p, uap, retval)); } int sunos_sys_lstat(p, v, retval) struct proc *p; void *v; register_t *retval; { struct sunos_sys_lstat_args *uap = v; caddr_t sg = stackgap_init(p->p_emul); SUNOS_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); return (compat_43_sys_lstat(p, uap, retval)); } int sunos_sys_execve(p, v, retval) struct proc *p; void *v; register_t *retval; { struct sunos_sys_execve_args *uap = v; caddr_t sg = stackgap_init(p->p_emul); SUNOS_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); return (sys_execve(p, (struct sys_execve_args *)&uap, retval)); } int sunos_sys_execv(p, v, retval) struct proc *p; void *v; register_t *retval; { struct sunos_sys_execv_args *uap = v; struct sys_execve_args ouap; caddr_t sg = stackgap_init(p->p_emul); SUNOS_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); SCARG(&ouap, path) = SCARG(uap, path); SCARG(&ouap, argp) = SCARG(uap, argp); SCARG(&ouap, envp) = NULL; return (sys_execve(p, &ouap, retval)); } int sunos_sys_omsync(p, v, retval) struct proc *p; void *v; register_t *retval; { struct sunos_sys_omsync_args *uap = v; struct sys_msync_args ouap; if (SCARG(uap, flags)) return (EINVAL); SCARG(&ouap, addr) = SCARG(uap, addr); SCARG(&ouap, len) = SCARG(uap, len); return (sys_msync(p, &ouap, retval)); } int sunos_sys_unmount(p, v, retval) struct proc *p; void *v; register_t *retval; { struct sunos_sys_unmount_args *uap = v; struct sys_unmount_args ouap; SCARG(&ouap, path) = SCARG(uap, path); SCARG(&ouap, flags) = 0; return (sys_unmount(p, &ouap, retval)); } /* * Conversion table for SunOS NFS mount flags. */ static struct { int sun_flg; int bsd_flg; } sunnfs_flgtab[] = { { SUNNFS_SOFT, NFSMNT_SOFT }, { SUNNFS_WSIZE, NFSMNT_WSIZE }, { SUNNFS_RSIZE, NFSMNT_RSIZE }, { SUNNFS_TIMEO, NFSMNT_TIMEO }, { SUNNFS_RETRANS, NFSMNT_RETRANS }, { SUNNFS_HOSTNAME, 0 }, /* Ignored */ { SUNNFS_INT, NFSMNT_INT }, { SUNNFS_NOAC, 0 }, /* Ignored */ { SUNNFS_ACREGMIN, 0 }, /* Ignored */ { SUNNFS_ACREGMAX, 0 }, /* Ignored */ { SUNNFS_ACDIRMIN, 0 }, /* Ignored */ { SUNNFS_ACDIRMAX, 0 }, /* Ignored */ { SUNNFS_SECURE, 0 }, /* Ignored */ { SUNNFS_NOCTO, 0 }, /* Ignored */ { SUNNFS_POSIX, 0 } /* Ignored */ }; int sunos_sys_mount(p, v, retval) struct proc *p; void *v; register_t *retval; { struct sunos_sys_mount_args *uap = v; struct emul *e = p->p_emul; int oflags = SCARG(uap, flags), nflags, error; char fsname[MFSNAMELEN]; if (oflags & (SUNM_NOSUB | SUNM_SYS5)) return (EINVAL); if ((oflags & SUNM_NEWTYPE) == 0) return (EINVAL); nflags = 0; if (oflags & SUNM_RDONLY) nflags |= MNT_RDONLY; if (oflags & SUNM_NOSUID) nflags |= MNT_NOSUID; if (oflags & SUNM_REMOUNT) nflags |= MNT_UPDATE; SCARG(uap, flags) = nflags; error = copyinstr((caddr_t)SCARG(uap, type), fsname, sizeof fsname, (size_t *)0); if (error) return (error); if (strncmp(fsname, "4.2", sizeof fsname) == 0) { SCARG(uap, type) = STACKGAPBASE; error = copyout("ffs", SCARG(uap, type), sizeof("ffs")); if (error) return (error); } else if (strncmp(fsname, "nfs", sizeof fsname) == 0) { struct sunos_nfs_args sna; struct sockaddr_in sain; struct nfs_args na; struct sockaddr sa; int n; error = copyin(SCARG(uap, data), &sna, sizeof sna); if (error) return (error); error = copyin(sna.addr, &sain, sizeof sain); if (error) return (error); bcopy(&sain, &sa, sizeof sa); sa.sa_len = sizeof(sain); SCARG(uap, data) = STACKGAPBASE; na.version = NFS_ARGSVERSION; na.addr = (struct sockaddr *) ((int)SCARG(uap, data) + sizeof na); na.addrlen = sizeof(struct sockaddr); na.sotype = SOCK_DGRAM; na.proto = IPPROTO_UDP; na.fh = (void *)sna.fh; na.fhsize = NFSX_V2FH; na.flags = 0; n = sizeof(sunnfs_flgtab) / sizeof(sunnfs_flgtab[0]); while (--n >= 0) if (sna.flags & sunnfs_flgtab[n].sun_flg) na.flags |= sunnfs_flgtab[n].bsd_flg; na.wsize = sna.wsize; na.rsize = sna.rsize; if (na.flags & NFSMNT_RSIZE) { na.flags |= NFSMNT_READDIRSIZE; na.readdirsize = na.rsize; } na.timeo = sna.timeo; na.retrans = sna.retrans; na.hostname = sna.hostname; error = copyout(&sa, na.addr, sizeof sa); if (error) return (error); error = copyout(&na, SCARG(uap, data), sizeof na); if (error) return (error); } return (sys_mount(p, (struct sys_mount_args *)uap, retval)); } #if defined(NFSCLIENT) int async_daemon(p, v, retval) struct proc *p; void *v; register_t *retval; { struct sys_nfssvc_args ouap; SCARG(&ouap, flag) = NFSSVC_BIOD; SCARG(&ouap, argp) = NULL; return (sys_nfssvc(p, &ouap, retval)); } #endif /* NFSCLIENT */ int sunos_sys_sigpending(p, v, retval) struct proc *p; void *v; register_t *retval; { struct sunos_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))); } /* * Read Sun-style directory entries. We suck them into kernel space so * that they can be massaged before being copied out to user code. Like * SunOS, we squish out `empty' entries. * * This is quite ugly, but what do you expect from compatibility code? */ int sunos_sys_getdents(p, v, retval) struct proc *p; void *v; register_t *retval; { struct sunos_sys_getdents_args *uap = v; struct dirent *bdp; struct vnode *vp; caddr_t inp, buf; /* BSD-format */ int len, reclen; /* BSD-format */ caddr_t outp; /* Sun-format */ int resid, sunos_reclen;/* Sun-format */ struct file *fp; struct uio auio; struct iovec aiov; struct sunos_dirent idb; off_t off; /* true file offset */ int buflen, error, eofflag; u_long *cookiebuf, *cookie; int ncookies; if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0) return (error); if ((fp->f_flag & FREAD) == 0) return (EBADF); vp = (struct vnode *)fp->f_data; if (vp->v_type != VDIR) /* XXX vnode readdir op should do this */ return (EINVAL); buflen = min(MAXBSIZE, SCARG(uap, nbytes)); buf = malloc(buflen, M_TEMP, M_WAITOK); ncookies = buflen / 16; cookiebuf = malloc(ncookies * sizeof(*cookiebuf), M_TEMP, M_WAITOK); VOP_LOCK(vp); off = fp->f_offset; again: aiov.iov_base = buf; aiov.iov_len = buflen; auio.uio_iov = &aiov; auio.uio_iovcnt = 1; auio.uio_rw = UIO_READ; auio.uio_segflg = UIO_SYSSPACE; auio.uio_procp = p; auio.uio_resid = buflen; auio.uio_offset = off; /* * First we read into the malloc'ed buffer, then * we massage it into user space, one record at a time. */ error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag, cookiebuf, ncookies); if (error) goto out; inp = buf; outp = SCARG(uap, buf); resid = SCARG(uap, nbytes); if ((len = buflen - auio.uio_resid) == 0) goto eof; for (cookie = cookiebuf; len > 0; len -= reclen) { bdp = (struct dirent *)inp; reclen = bdp->d_reclen; if (reclen & 3) panic("sunos_getdents"); off = *cookie++; /* each entry points to next */ if (bdp->d_fileno == 0) { inp += reclen; /* it is a hole; squish it out */ continue; } sunos_reclen = SUNOS_RECLEN(&idb, bdp->d_namlen); if (reclen > len || resid < sunos_reclen) { /* entry too big for buffer, so just stop */ outp++; break; } /* * Massage in place to make a Sun-shaped dirent (otherwise * we have to worry about touching user memory outside of * the copyout() call). */ idb.d_fileno = bdp->d_fileno; idb.d_off = off; idb.d_reclen = sunos_reclen; idb.d_namlen = bdp->d_namlen; strcpy(idb.d_name, bdp->d_name); if ((error = copyout((caddr_t)&idb, outp, sunos_reclen)) != 0) goto out; /* advance past this real entry */ inp += reclen; /* advance output past Sun-shaped entry */ outp += sunos_reclen; resid -= sunos_reclen; } /* if we squished out the whole block, try again */ if (outp == SCARG(uap, buf)) goto again; fp->f_offset = off; /* update the vnode offset */ eof: *retval = SCARG(uap, nbytes) - resid; out: VOP_UNLOCK(vp); free(cookiebuf, M_TEMP); free(buf, M_TEMP); return (error); } #define SUNOS__MAP_NEW 0x80000000 /* if not, old mmap & cannot handle */ int sunos_sys_mmap(p, v, retval) register struct proc *p; void *v; register_t *retval; { register struct sunos_sys_mmap_args *uap = v; struct sys_mmap_args ouap; register struct filedesc *fdp; register struct file *fp; register struct vnode *vp; /* * Verify the arguments. */ if (SCARG(uap, prot) & ~(PROT_READ|PROT_WRITE|PROT_EXEC)) return (EINVAL); /* XXX still needed? */ if ((SCARG(uap, flags) & SUNOS__MAP_NEW) == 0) return (EINVAL); SCARG(&ouap, flags) = SCARG(uap, flags) & ~SUNOS__MAP_NEW; SCARG(&ouap, addr) = SCARG(uap, addr); if ((SCARG(&ouap, flags) & MAP_FIXED) == 0 && SCARG(&ouap, addr) != 0 && SCARG(&ouap, addr) < (caddr_t)round_page(p->p_vmspace->vm_daddr+MAXDSIZ)) SCARG(&ouap, addr) = (caddr_t)round_page(p->p_vmspace->vm_daddr+MAXDSIZ); SCARG(&ouap, len) = SCARG(uap, len); SCARG(&ouap, prot) = SCARG(uap, prot); SCARG(&ouap, fd) = SCARG(uap, fd); SCARG(&ouap, pos) = SCARG(uap, pos); /* * Special case: if fd refers to /dev/zero, map as MAP_ANON. (XXX) */ fdp = p->p_fd; if ((unsigned)SCARG(&ouap, fd) < fdp->fd_nfiles && /*XXX*/ (fp = fdp->fd_ofiles[SCARG(&ouap, fd)]) != NULL && /*XXX*/ fp->f_type == DTYPE_VNODE && /*XXX*/ (vp = (struct vnode *)fp->f_data)->v_type == VCHR && /*XXX*/ iszerodev(vp->v_rdev)) { /*XXX*/ SCARG(&ouap, flags) |= MAP_ANON; SCARG(&ouap, fd) = -1; } return (sys_mmap(p, &ouap, retval)); } #define MC_SYNC 1 #define MC_LOCK 2 #define MC_UNLOCK 3 #define MC_ADVISE 4 #define MC_LOCKAS 5 #define MC_UNLOCKAS 6 int sunos_sys_mctl(p, v, retval) register struct proc *p; void *v; register_t *retval; { register struct sunos_sys_mctl_args *uap = v; switch (SCARG(uap, func)) { case MC_ADVISE: /* ignore for now */ return (0); case MC_SYNC: /* translate to msync */ return (sys_msync(p, uap, retval)); default: return (EINVAL); } } int sunos_sys_setsockopt(p, v, retval) struct proc *p; void *v; register_t *retval; { register struct sunos_sys_setsockopt_args *uap = v; struct file *fp; struct mbuf *m = NULL; int error; if ((error = getsock(p->p_fd, SCARG(uap, s), &fp)) != 0) return (error); #define SO_DONTLINGER (~SO_LINGER) if (SCARG(uap, name) == SO_DONTLINGER) { m = m_get(M_WAIT, MT_SOOPTS); if (m == NULL) return (ENOBUFS); mtod(m, struct linger *)->l_onoff = 0; m->m_len = sizeof(struct linger); return (sosetopt((struct socket *)fp->f_data, SCARG(uap, level), SO_LINGER, m)); } if (SCARG(uap, level) == IPPROTO_IP) { #define SUNOS_IP_MULTICAST_IF 2 #define SUNOS_IP_MULTICAST_TTL 3 #define SUNOS_IP_MULTICAST_LOOP 4 #define SUNOS_IP_ADD_MEMBERSHIP 5 #define SUNOS_IP_DROP_MEMBERSHIP 6 static int ipoptxlat[] = { IP_MULTICAST_IF, IP_MULTICAST_TTL, IP_MULTICAST_LOOP, IP_ADD_MEMBERSHIP, IP_DROP_MEMBERSHIP }; if (SCARG(uap, name) >= SUNOS_IP_MULTICAST_IF && SCARG(uap, name) <= SUNOS_IP_DROP_MEMBERSHIP) { SCARG(uap, name) = ipoptxlat[SCARG(uap, name) - SUNOS_IP_MULTICAST_IF]; } } if (SCARG(uap, valsize) > MLEN) return (EINVAL); if (SCARG(uap, val)) { m = m_get(M_WAIT, MT_SOOPTS); if (m == NULL) return (ENOBUFS); error = copyin(SCARG(uap, val), mtod(m, caddr_t), (u_int)SCARG(uap, valsize)); if (error) { (void) m_free(m); return (error); } m->m_len = SCARG(uap, valsize); } return (sosetopt((struct socket *)fp->f_data, SCARG(uap, level), SCARG(uap, name), m)); } int sunos_sys_fchroot(p, v, retval) register struct proc *p; void *v; register_t *retval; { register struct sunos_sys_fchroot_args *uap = v; register struct filedesc *fdp = p->p_fd; register struct vnode *vp; struct file *fp; int error; if ((error = suser(p->p_ucred, &p->p_acflag)) != 0) return (error); if ((error = getvnode(fdp, SCARG(uap, fd), &fp)) != 0) return (error); vp = (struct vnode *)fp->f_data; VOP_LOCK(vp); if (vp->v_type != VDIR) error = ENOTDIR; else error = VOP_ACCESS(vp, VEXEC, p->p_ucred, p); VOP_UNLOCK(vp); if (error) return (error); VREF(vp); if (fdp->fd_rdir != NULL) vrele(fdp->fd_rdir); fdp->fd_rdir = vp; return (0); } /* * XXX: This needs cleaning up. */ int sunos_sys_auditsys(p, v, retval) struct proc *p; void *v; register_t *retval; { return 0; } int sunos_sys_uname(p, v, retval) struct proc *p; void *v; register_t *retval; { struct sunos_sys_uname_args *uap = v; struct sunos_utsname sut; extern char ostype[], machine[], osrelease[]; bzero(&sut, sizeof(sut)); bcopy(ostype, sut.sysname, sizeof(sut.sysname) - 1); bcopy(hostname, sut.nodename, sizeof(sut.nodename)); sut.nodename[sizeof(sut.nodename)-1] = '\0'; bcopy(osrelease, sut.release, sizeof(sut.release) - 1); bcopy("1", sut.version, sizeof(sut.version) - 1); bcopy(machine, sut.machine, sizeof(sut.machine) - 1); return copyout((caddr_t)&sut, (caddr_t)SCARG(uap, name), sizeof(struct sunos_utsname)); } int sunos_sys_setpgrp(p, v, retval) struct proc *p; void *v; register_t *retval; { struct sunos_sys_setpgrp_args *uap = v; /* * difference to our setpgid call is to include backwards * compatibility to pre-setsid() binaries. Do setsid() * instead of setpgid() in those cases where the process * tries to create a new session the old way. */ if (!SCARG(uap, pgid) && (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid)) return sys_setsid(p, uap, retval); else return sys_setpgid(p, uap, retval); } int sunos_sys_open(p, v, retval) struct proc *p; void *v; register_t *retval; { struct sunos_sys_open_args *uap = v; int l, r; int noctty; int ret; caddr_t sg = stackgap_init(p->p_emul); SUNOS_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); /* convert mode into NetBSD mode */ l = SCARG(uap, flags); noctty = l & 0x8000; r = (l & (0x0001 | 0x0002 | 0x0008 | 0x0040 | 0x0200 | 0x0400 | 0x0800)); r |= ((l & (0x0004 | 0x1000 | 0x4000)) ? O_NONBLOCK : 0); r |= ((l & 0x0080) ? O_SHLOCK : 0); r |= ((l & 0x0100) ? O_EXLOCK : 0); r |= ((l & 0x2000) ? O_FSYNC : 0); SCARG(uap, flags) = r; ret = sys_open(p, (struct sys_open_args *)uap, retval); if (!ret && !noctty && SESS_LEADER(p) && !(p->p_flag & P_CONTROLT)) { struct filedesc *fdp = p->p_fd; struct file *fp = fdp->fd_ofiles[*retval]; /* ignore any error, just give it a try */ if (fp->f_type == DTYPE_VNODE) (fp->f_ops->fo_ioctl)(fp, TIOCSCTTY, (caddr_t)0, p); } return ret; } #if defined (NFSSERVER) int sunos_sys_nfssvc(p, v, retval) struct proc *p; void *v; register_t *retval; { #if 0 struct sunos_sys_nfssvc_args *uap = v; struct emul *e = p->p_emul; struct sys_nfssvc_args outuap; struct sockaddr sa; int error; bzero(&outuap, sizeof outuap); SCARG(&outuap, fd) = SCARG(uap, fd); SCARG(&outuap, mskval) = STACKGAPBASE; SCARG(&outuap, msklen) = sizeof sa; SCARG(&outuap, mtchval) = SCARG(&outuap, mskval) + sizeof sa; SCARG(&outuap, mtchlen) = sizeof sa; bzero(&sa, sizeof sa); if (error = copyout(&sa, SCARG(&outuap, mskval), SCARG(&outuap, msklen))) return (error); if (error = copyout(&sa, SCARG(&outuap, mtchval), SCARG(&outuap, mtchlen))) return (error); return nfssvc(p, &outuap, retval); #else return (ENOSYS); #endif } #endif /* NFSSERVER */ int sunos_sys_ustat(p, v, retval) struct proc *p; void *v; register_t *retval; { struct sunos_sys_ustat_args *uap = v; struct sunos_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 sunos_ustat) */ if ((error = copyout(&us, SCARG(uap, buf), sizeof us)) != 0) return (error); return 0; } int sunos_sys_quotactl(p, v, retval) struct proc *p; void *v; register_t *retval; { return EINVAL; } int sunos_sys_vhangup(p, v, retval) struct proc *p; void *v; register_t *retval; { struct session *sp = p->p_session; if (sp->s_ttyvp == 0) return 0; if (sp->s_ttyp && sp->s_ttyp->t_session == sp && sp->s_ttyp->t_pgrp) pgsignal(sp->s_ttyp->t_pgrp, SIGHUP, 1); (void) ttywait(sp->s_ttyp); if (sp->s_ttyvp) vgoneall(sp->s_ttyvp); if (sp->s_ttyvp) vrele(sp->s_ttyvp); sp->s_ttyvp = NULL; return 0; } static int sunstatfs(sp, buf) struct statfs *sp; caddr_t buf; { struct sunos_statfs ssfs; bzero(&ssfs, sizeof ssfs); ssfs.f_type = 0; ssfs.f_bsize = sp->f_bsize; ssfs.f_blocks = sp->f_blocks; ssfs.f_bfree = sp->f_bfree; ssfs.f_bavail = sp->f_bavail; ssfs.f_files = sp->f_files; ssfs.f_ffree = sp->f_ffree; ssfs.f_fsid = sp->f_fsid; return copyout((caddr_t)&ssfs, buf, sizeof ssfs); } int sunos_sys_statfs(p, v, retval) struct proc *p; void *v; register_t *retval; { struct sunos_sys_statfs_args *uap = v; register struct mount *mp; register struct statfs *sp; int error; struct nameidata nd; caddr_t sg = stackgap_init(p->p_emul); SUNOS_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); NDINIT(&nd, LOOKUP, FOLLOW, UIO_USERSPACE, SCARG(uap, path), p); if ((error = namei(&nd)) != 0) return (error); mp = nd.ni_vp->v_mount; sp = &mp->mnt_stat; vrele(nd.ni_vp); if ((error = VFS_STATFS(mp, sp, p)) != 0) return (error); sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK; return sunstatfs(sp, (caddr_t)SCARG(uap, buf)); } int sunos_sys_fstatfs(p, v, retval) struct proc *p; void *v; register_t *retval; { struct sunos_sys_fstatfs_args *uap = v; struct file *fp; struct mount *mp; register struct statfs *sp; int error; if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0) return (error); mp = ((struct vnode *)fp->f_data)->v_mount; sp = &mp->mnt_stat; if ((error = VFS_STATFS(mp, sp, p)) != 0) return (error); sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK; return sunstatfs(sp, (caddr_t)SCARG(uap, buf)); } int sunos_sys_exportfs(p, v, retval) struct proc *p; void *v; register_t *retval; { /* * XXX: should perhaps translate into a mount(2) * with MOUNT_EXPORT? */ return 0; } int sunos_sys_mknod(p, v, retval) struct proc *p; void *v; register_t *retval; { struct sunos_sys_mknod_args *uap = v; caddr_t sg = stackgap_init(p->p_emul); SUNOS_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); if (S_ISFIFO(SCARG(uap, mode))) return sys_mkfifo(p, uap, retval); return sys_mknod(p, (struct sys_mknod_args *)uap, retval); } #define SUNOS_SC_ARG_MAX 1 #define SUNOS_SC_CHILD_MAX 2 #define SUNOS_SC_CLK_TCK 3 #define SUNOS_SC_NGROUPS_MAX 4 #define SUNOS_SC_OPEN_MAX 5 #define SUNOS_SC_JOB_CONTROL 6 #define SUNOS_SC_SAVED_IDS 7 #define SUNOS_SC_VERSION 8 int sunos_sys_sysconf(p, v, retval) struct proc *p; void *v; register_t *retval; { struct sunos_sys_sysconf_args *uap = v; extern int maxfiles; switch(SCARG(uap, name)) { case SUNOS_SC_ARG_MAX: *retval = ARG_MAX; break; case SUNOS_SC_CHILD_MAX: *retval = maxproc; break; case SUNOS_SC_CLK_TCK: *retval = 60; /* should this be `hz', ie. 100? */ break; case SUNOS_SC_NGROUPS_MAX: *retval = NGROUPS_MAX; break; case SUNOS_SC_OPEN_MAX: *retval = maxfiles; break; case SUNOS_SC_JOB_CONTROL: *retval = 1; break; case SUNOS_SC_SAVED_IDS: #ifdef _POSIX_SAVED_IDS *retval = 1; #else *retval = 0; #endif break; case SUNOS_SC_VERSION: *retval = 198808; break; default: return EINVAL; } return 0; } #define SUNOS_RLIMIT_NOFILE 6 /* Other RLIMIT_* are the same */ #define SUNOS_RLIM_NLIMITS 7 int sunos_sys_getrlimit(p, v, retval) struct proc *p; void *v; register_t *retval; { struct sunos_sys_getrlimit_args *uap = v; if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) return EINVAL; if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) SCARG(uap, which) = RLIMIT_NOFILE; return compat_43_sys_getrlimit(p, uap, retval); } int sunos_sys_setrlimit(p, v, retval) struct proc *p; void *v; register_t *retval; { struct sunos_sys_getrlimit_args *uap = v; if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) return EINVAL; if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) SCARG(uap, which) = RLIMIT_NOFILE; return compat_43_sys_setrlimit(p, uap, retval); } /* for the m68k machines */ #ifndef PT_GETFPREGS #define PT_GETFPREGS -1 #endif #ifndef PT_SETFPREGS #define PT_SETFPREGS -1 #endif static int sreq2breq[] = { PT_TRACE_ME, PT_READ_I, PT_READ_D, -1, PT_WRITE_I, PT_WRITE_D, -1, PT_CONTINUE, PT_KILL, -1, PT_ATTACH, PT_DETACH, PT_GETREGS, PT_SETREGS, PT_GETFPREGS, PT_SETFPREGS }; static int nreqs = sizeof(sreq2breq) / sizeof(sreq2breq[0]); int sunos_sys_ptrace(p, v, retval) struct proc *p; void *v; register_t *retval; { struct sunos_sys_ptrace_args *uap = v; struct sys_ptrace_args pa; int req; req = SCARG(uap, req); if (req < 0 || req >= nreqs) return (EINVAL); req = sreq2breq[req]; if (req == -1) return (EINVAL); SCARG(&pa, req) = req; SCARG(&pa, pid) = (pid_t)SCARG(uap, pid); SCARG(&pa, addr) = (caddr_t)SCARG(uap, addr); SCARG(&pa, data) = SCARG(uap, data); return sys_ptrace(p, &pa, retval); } /* * SunOS reboot system call (for compatibility). * Sun lets you pass in a boot string which the PROM * saves and provides to the next boot program. */ static struct sunos_howto_conv { int sun_howto; int bsd_howto; } sunos_howto_conv[] = { { 0x001, RB_ASKNAME }, { 0x002, RB_SINGLE }, { 0x004, RB_NOSYNC }, { 0x008, RB_HALT }, { 0x080, RB_DUMP }, { 0x000, 0 }, }; #define SUNOS_RB_STRING 0x200 int sunos_sys_reboot(p, v, retval) struct proc *p; void *v; register_t *retval; { struct sunos_sys_reboot_args *uap = v; struct sunos_howto_conv *convp; int error, bsd_howto, sun_howto; if ((error = suser(p->p_ucred, &p->p_acflag)) != 0) return (error); /* * Convert howto bits to BSD format. */ sun_howto = SCARG(uap, howto); bsd_howto = 0; convp = sunos_howto_conv; while (convp->sun_howto) { if (sun_howto & convp->sun_howto) bsd_howto |= convp->bsd_howto; convp++; } #ifdef sun3 /* * Sun RB_STRING (Get user supplied bootstring.) * If the machine supports passing a string to the * next booted kernel, add the machine name above * and provide a reboot2() function (see sun3). */ if (sun_howto & SUNOS_RB_STRING) { char bs[128]; error = copyinstr(SCARG(uap, bootstr), bs, sizeof(bs), 0); if (error) return error; return (reboot2(bsd_howto, bs)); } #endif /* sun3 */ boot(bsd_howto); return 0; } /* * Generalized interface signal handler, 4.3-compatible. */ /* ARGSUSED */ int sunos_sys_sigvec(p, v, retval) struct proc *p; void *v; register_t *retval; { register struct sunos_sys_sigvec_args /* { syscallarg(int) signum; syscallarg(struct sigvec *) nsv; syscallarg(struct sigvec *) osv; } */ *uap = v; struct sigvec vec; register struct sigacts *ps = p->p_sigacts; register struct sigvec *sv; register int signum; int bit, error; signum = SCARG(uap, signum); if (signum <= 0 || signum >= NSIG || signum == SIGKILL || signum == SIGSTOP) return (EINVAL); sv = &vec; if (SCARG(uap, osv)) { *(sig_t *)&sv->sv_handler = ps->ps_sigact[signum]; sv->sv_mask = ps->ps_catchmask[signum]; bit = sigmask(signum); sv->sv_flags = 0; if ((ps->ps_sigonstack & bit) != 0) sv->sv_flags |= SV_ONSTACK; if ((ps->ps_sigintr & bit) != 0) sv->sv_flags |= SV_INTERRUPT; if ((ps->ps_sigreset & bit) != 0) sv->sv_flags |= SA_RESETHAND; sv->sv_mask &= ~bit; error = copyout((caddr_t)sv, (caddr_t)SCARG(uap, osv), sizeof (vec)); if (error) return (error); } if (SCARG(uap, nsv)) { error = copyin((caddr_t)SCARG(uap, nsv), (caddr_t)sv, sizeof (vec)); if (error) return (error); /* * SunOS uses the mask 0x0004 as SV_RESETHAND * meaning: `reset to SIG_DFL on delivery'. * We support only the bits in: 0xF * (those bits are the same as ours) */ if (sv->sv_flags & ~0xF) return (EINVAL); /* SunOS binaries have a user-mode trampoline. */ sv->sv_flags |= SA_USERTRAMP; /* Convert sigvec:SV_INTERRUPT to sigaction:SA_RESTART */ sv->sv_flags ^= SA_RESTART; /* same bit, inverted */ setsigvec(p, signum, (struct sigaction *)sv); } return (0); }