/* $NetBSD: sunos_misc.c,v 1.177 2021/09/07 11:43:05 riastradh 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. 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 __KERNEL_RCSID(0, "$NetBSD: sunos_misc.c,v 1.177 2021/09/07 11:43:05 riastradh Exp $"); #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 #include #include #include #include #include #include static int sunstatfs(struct statvfs *, void *); int sunos_sys_stime(struct lwp *l, const struct sunos_sys_stime_args *uap, register_t *retval) { struct timeval tv; int error; error = copyin(SCARG(uap, tp), &tv.tv_sec, sizeof(tv.tv_sec)); if (error) return error; tv.tv_usec = 0; return settimeofday1(&tv, false, NULL, l, true); } int sunos_sys_wait4(struct lwp *l, const struct sunos_sys_wait4_args *uap, register_t *retval) { struct compat_50_sys_wait4_args bsd_ua; SCARG(&bsd_ua, pid) = SCARG(uap, pid) == 0 ? WAIT_ANY : SCARG(uap, pid); SCARG(&bsd_ua, status) = SCARG(uap, status); SCARG(&bsd_ua, options) = SCARG(uap, options); SCARG(&bsd_ua, rusage) = SCARG(uap, rusage); return (compat_50_sys_wait4(l, &bsd_ua, retval)); } int sunos_sys_creat(struct lwp *l, const struct sunos_sys_creat_args *uap, register_t *retval) { struct sys_open_args ouap; SCARG(&ouap, path) = SCARG(uap, path); SCARG(&ouap, flags) = O_WRONLY | O_CREAT | O_TRUNC; SCARG(&ouap, mode) = SCARG(uap, mode); return (sys_open(l, &ouap, retval)); } int sunos_sys_execv(struct lwp *l, const struct sunos_sys_execv_args *uap, register_t *retval) { /* { syscallarg(const char *) path; syscallarg(char **) argv; } */ struct sys_execve_args ap; SCARG(&ap, path) = SCARG(uap, path); SCARG(&ap, argp) = SCARG(uap, argp); SCARG(&ap, envp) = NULL; return (sys_execve(l, &ap, retval)); } int sunos_sys_execve(struct lwp *l, const struct sunos_sys_execve_args *uap, register_t *retval) { /* { syscallarg(const char *) path; syscallarg(char **) argv; syscallarg(char **) envp; } */ struct sys_execve_args ap; SCARG(&ap, path) = SCARG(uap, path); SCARG(&ap, argp) = SCARG(uap, argp); SCARG(&ap, envp) = SCARG(uap, envp); return (sys_execve(l, &ap, retval)); } int sunos_sys_omsync(struct lwp *l, const struct sunos_sys_omsync_args *uap, register_t *retval) { struct sys___msync13_args ouap; SCARG(&ouap, addr) = SCARG(uap, addr); SCARG(&ouap, len) = SCARG(uap, len); SCARG(&ouap, flags) = SCARG(uap, flags); return (sys___msync13(l, &ouap, retval)); } int sunos_sys_unmount(struct lwp *l, const struct sunos_sys_unmount_args *uap, register_t *retval) { struct sys_unmount_args ouap; SCARG(&ouap, path) = SCARG(uap, path); SCARG(&ouap, flags) = 0; return (sys_unmount(l, &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(struct lwp *l, const struct sunos_sys_mount_args *uap, register_t *retval) { int oflags = SCARG(uap, flags), nflags, error; char fsname[MFSNAMELEN]; register_t dummy; 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; error = copyinstr(SCARG(uap, type), fsname, sizeof fsname, NULL); if (error) return (error); if (strcmp(fsname, "nfs") == 0) { struct sunos_nfs_args sna; struct nfs_args na; int n; error = copyin(SCARG(uap, data), &sna, sizeof sna); if (error) return (error); /* sa.sa_len = sizeof(sain); */ na.version = NFS_ARGSVERSION; na.addr = (void *)sna.addr; na.addrlen = sizeof(struct sockaddr); na.sotype = SOCK_DGRAM; na.proto = IPPROTO_UDP; na.fh = 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; #ifdef __arch64__ /* XXX */ na.hostname = (char *)(intptr_t)sna.hostname; #else na.hostname = sna.hostname; #endif return do_sys_mount(l, "nfs", UIO_SYSSPACE, SCARG(uap, dir), nflags, &na, UIO_SYSSPACE, sizeof na, &dummy); } if (strcmp(fsname, "4.2") == 0) strcpy(fsname, "ffs"); return do_sys_mount(l, fsname, UIO_SYSSPACE, SCARG(uap, dir), nflags, SCARG(uap, data), UIO_USERSPACE, 0, &dummy); } int async_daemon(struct lwp *l, const void *v, register_t *retval) { return kpause("fakeniod", false, 0, NULL); } void native_to_sunos_sigset(const sigset_t *, int *); void sunos_to_native_sigset(const int, sigset_t *); inline void native_to_sunos_sigset(const sigset_t *ss, int *mask) { *mask = ss->__bits[0]; } inline void sunos_to_native_sigset(const int mask, sigset_t *ss) { memset(ss, 0, sizeof(*ss)); ss->__bits[0] = mask; ss->__bits[1] = 0; ss->__bits[2] = 0; ss->__bits[3] = 0; } int sunos_sys_sigpending(struct lwp *l, const struct sunos_sys_sigpending_args *uap, register_t *retval) { sigset_t ss; int mask; sigpending1(l, &ss); native_to_sunos_sigset(&ss, &mask); return (copyout((void *)&mask, (void *)SCARG(uap, mask), sizeof(int))); } int sunos_sys_sigsuspend(struct lwp *l, const struct sunos_sys_sigsuspend_args *uap, register_t *retval) { /* { syscallarg(int) mask; } */ int mask; sigset_t ss; mask = SCARG(uap, mask); sunos_to_native_sigset(mask, &ss); return (sigsuspend1(l, &ss)); } /* * 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(struct lwp *l, const struct sunos_sys_getdents_args *uap, register_t *retval) { struct dirent *bdp; struct vnode *vp; char *inp, *buf; /* BSD-format */ int len, reclen; /* BSD-format */ char *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; off_t *cookiebuf, *cookie; int ncookies; if ((error = fd_getvnode(SCARG(uap, fd), &fp)) != 0) return (error); if ((fp->f_flag & FREAD) == 0) { error = EBADF; goto out1; } vp = fp->f_vnode; if (vp->v_type != VDIR) { error = EINVAL; goto out1; } buflen = uimin(MAXBSIZE, SCARG(uap, nbytes)); buf = malloc(buflen, M_TEMP, M_WAITOK); vn_lock(vp, LK_EXCLUSIVE | LK_RETRY); 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_resid = buflen; auio.uio_offset = off; UIO_SETUP_SYSSPACE(&auio); /* * 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) { error = EIO; goto out; } if ((*cookie >> 32) != 0) { compat_offseterr(vp, "sunos_getdents"); error = EINVAL; goto out; } if (bdp->d_fileno == 0) { inp += reclen; /* it is a hole; squish it out */ if (cookie) off = *cookie++; else off += reclen; continue; } memset(&idb, 0, sizeof(idb)); sunos_reclen = SUNOS_RECLEN(&idb, bdp->d_namlen); if (reclen > len || resid < sunos_reclen) { /* entry too big for buffer, so just stop */ outp++; break; } if (cookie) off = *cookie++; /* each entry points to next */ else off += reclen; /* * 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; strlcpy(idb.d_name, bdp->d_name, sizeof(idb.d_name)); if ((error = copyout((void *)&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)) { if (cookiebuf) free(cookiebuf, M_TEMP); cookiebuf = NULL; 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); out1: fd_putfile(SCARG(uap, fd)); return (error); } #define SUNOS__MAP_NEW 0x80000000 /* if not, old mmap & cannot handle */ int sunos_sys_mmap(struct lwp *l, const struct sunos_sys_mmap_args *uap, register_t *retval) { struct sys_mmap_args ouap; /* * 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); SCARG(&ouap, len) = SCARG(uap, len); SCARG(&ouap, prot) = SCARG(uap, prot); SCARG(&ouap, fd) = SCARG(uap, fd); SCARG(&ouap, pos) = SCARG(uap, pos); return (sys_mmap(l, &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(struct lwp *l, const struct sunos_sys_mctl_args *uap, register_t *retval) { switch (SCARG(uap, func)) { case MC_ADVISE: /* ignore for now */ return (0); case MC_SYNC: /* translate to msync */ return (sys___msync13(l, (const void *)uap, retval)); default: return (EINVAL); } } int sunos_sys_setsockopt(struct lwp *l, const struct sunos_sys_setsockopt_args *uap, register_t *retval) { struct sockopt sopt; struct socket *so; int name = SCARG(uap, name); int error; /* fd_getsock() will use the descriptor for us */ if ((error = fd_getsock(SCARG(uap, s), &so)) != 0) return (error); #define SO_DONTLINGER (~SO_LINGER) if (name == SO_DONTLINGER) { struct linger lg; lg.l_onoff = 0; error = so_setsockopt(l, so, SCARG(uap, level), SO_LINGER, &lg, sizeof(lg)); goto out; } 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 const int ipoptxlat[] = { IP_MULTICAST_IF, IP_MULTICAST_TTL, IP_MULTICAST_LOOP, IP_ADD_MEMBERSHIP, IP_DROP_MEMBERSHIP }; if (name >= SUNOS_IP_MULTICAST_IF && name <= SUNOS_IP_DROP_MEMBERSHIP) { name = ipoptxlat[name - SUNOS_IP_MULTICAST_IF]; } } if ((unsigned)SCARG(uap, valsize) > MLEN) { error = EINVAL; goto out; } sockopt_init(&sopt, SCARG(uap, level), name, SCARG(uap, valsize)); if (SCARG(uap, val)) { error = copyin(SCARG(uap, val), sopt.sopt_data, (u_int)SCARG(uap, valsize)); } if (error == 0) error = sosetopt(so, &sopt); sockopt_destroy(&sopt); out: fd_putfile(SCARG(uap, s)); return (error); } static inline int sunos_sys_socket_common(struct lwp *, register_t *, int type); static inline int sunos_sys_socket_common(struct lwp *l, register_t *retval, int type) { struct socket *so; int error, fd; /* fd_getsock() will use the descriptor for us */ fd = (int)*retval; if ((error = fd_getsock(fd, &so)) == 0) { if (type == SOCK_DGRAM) so->so_options |= SO_BROADCAST; fd_putfile(fd); } return (error); } int sunos_sys_socket(struct lwp *l, const struct sunos_sys_socket_args *uap, register_t *retval) { /* { syscallarg(int) domain; syscallarg(int) type; syscallarg(int) protocol; } */ int error; error = compat_30_sys_socket(l, (const void *)uap, retval); if (error) return (error); return sunos_sys_socket_common(l, retval, SCARG(uap, type)); } int sunos_sys_socketpair(struct lwp *l, const struct sunos_sys_socketpair_args *uap, register_t *retval) { /* { syscallarg(int) domain; syscallarg(int) type; syscallarg(int) protocol; syscallarg(int *) rsv; } */ int error; error = sys_socketpair(l, (const void *)uap, retval); if (error) return (error); return sunos_sys_socket_common(l, retval, SCARG(uap, type)); } /* * XXX: This needs cleaning up. */ int sunos_sys_auditsys(struct lwp *l, const struct sunos_sys_auditsys_args *uap, register_t *retval) { return 0; } int sunos_sys_uname(struct lwp *l, const struct sunos_sys_uname_args *uap, register_t *retval) { struct sunos_utsname sut; memset(&sut, 0, sizeof(sut)); strlcpy(sut.sysname, ostype, sizeof(sut.sysname)); strlcpy(sut.nodename, hostname, sizeof(sut.nodename)); strlcpy(sut.release, osrelease, sizeof(sut.release)); strlcpy(sut.version, "1", sizeof(sut.version)); strlcpy(sut.machine, machine, sizeof(sut.machine)); return copyout(&sut, SCARG(uap, name), sizeof(sut)); } int sunos_sys_setpgrp(struct lwp *l, const struct sunos_sys_setpgrp_args *uap, register_t *retval) { struct proc *p = l->l_proc; /* * 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(l, NULL, retval); else return sys_setpgid(l, (const void *)uap, retval); } int sunos_sys_open(struct lwp *l, const struct sunos_sys_open_args *uap, register_t *retval) { struct proc *p = l->l_proc; struct sys_open_args open_ua; int smode, nmode; int noctty; int ret; /* convert mode into NetBSD mode */ smode = SCARG(uap, flags); noctty = smode & 0x8000; nmode = smode & (0x0001 | 0x0002 | 0x0008 | 0x0040 | 0x0200 | 0x0400 | 0x0800); nmode |= ((smode & (0x0004 | 0x1000 | 0x4000)) ? O_NONBLOCK : 0); nmode |= ((smode & 0x0080) ? O_SHLOCK : 0); nmode |= ((smode & 0x0100) ? O_EXLOCK : 0); nmode |= ((smode & 0x2000) ? O_FSYNC : 0); SCARG(&open_ua, path) = SCARG(uap, path); SCARG(&open_ua, flags) = nmode; SCARG(&open_ua, mode) = SCARG(uap, mode); ret = sys_open(l, &open_ua, retval); /* XXXSMP */ if (!ret && !noctty && SESS_LEADER(p) && !(p->p_lflag & PL_CONTROLT)) { file_t *fp; int fd; fd = (int)*retval; fp = fd_getfile(fd); /* ignore any error, just give it a try */ if (fp != NULL) { if (fp->f_type == DTYPE_VNODE) (fp->f_ops->fo_ioctl)(fp, TIOCSCTTY, NULL); fd_putfile(fd); } } return ret; } int sunos_sys_ustat(struct lwp *l, const struct sunos_sys_ustat_args *uap, register_t *retval) { struct sunos_ustat us; int error; memset(&us, 0, 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(struct lwp *l, const struct sunos_sys_quotactl_args *uap, register_t *retval) { return EINVAL; } int sunos_sys_vhangup(struct lwp *l, const void *v, register_t *retval) { struct proc *p = l->l_proc; 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) VOP_REVOKE(sp->s_ttyvp, REVOKEALL); if (sp->s_ttyvp) vrele(sp->s_ttyvp); sp->s_ttyvp = NULL; return 0; } static int sunstatfs(struct statvfs *sp, void *buf) { struct sunos_statfs ssfs; memset(&ssfs, 0, 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_fsidx; return copyout((void *)&ssfs, buf, sizeof ssfs); } int sunos_sys_statfs(struct lwp *l, const struct sunos_sys_statfs_args *uap, register_t *retval) { struct mount *mp; struct statvfs *sp; int error; struct vnode *vp; error = namei_simple_user(SCARG(uap, path), NSM_FOLLOW_TRYEMULROOT, &vp); if (error != 0) return (error); mp = vp->v_mount; sp = &mp->mnt_stat; vrele(vp); if ((error = VFS_STATVFS(mp, sp)) != 0) return (error); sp->f_flag = mp->mnt_flag & MNT_VISFLAGMASK; return sunstatfs(sp, (void *)SCARG(uap, buf)); } int sunos_sys_fstatfs(struct lwp *l, const struct sunos_sys_fstatfs_args *uap, register_t *retval) { file_t *fp; struct mount *mp; struct statvfs *sp; int error; /* fd_getvnode() will use the descriptor for us */ if ((error = fd_getvnode(SCARG(uap, fd), &fp)) != 0) return (error); mp = fp->f_vnode->v_mount; sp = &mp->mnt_stat; if ((error = VFS_STATVFS(mp, sp)) != 0) goto out; sp->f_flag = mp->mnt_flag & MNT_VISFLAGMASK; error = sunstatfs(sp, (void *)SCARG(uap, buf)); out: fd_putfile(SCARG(uap, fd)); return (error); } int sunos_sys_exportfs(struct lwp *l, const struct sunos_sys_exportfs_args *uap, register_t *retval) { /* * XXX: should perhaps translate into a mount(2) * with MOUNT_EXPORT? */ return 0; } int sunos_sys_mknod(struct lwp *l, const struct sunos_sys_mknod_args *uap, register_t *retval) { struct sys_mkfifo_args fifo_ua; if (S_ISFIFO(SCARG(uap, mode))) { SCARG(&fifo_ua, path) = SCARG(uap, path); SCARG(&fifo_ua, mode) = SCARG(uap, mode); return sys_mkfifo(l, &fifo_ua, retval); } return compat_50_sys_mknod(l, (const struct compat_50_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(struct lwp *l, const struct sunos_sys_sysconf_args *uap, register_t *retval) { 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(struct lwp *l, const struct sunos_sys_getrlimit_args *uap, register_t *retval) { struct compat_43_sys_getrlimit_args ua_43; SCARG(&ua_43, which) = SCARG(uap, which); SCARG(&ua_43, rlp) = SCARG(uap, rlp); if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) return EINVAL; if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) SCARG(&ua_43, which) = RLIMIT_NOFILE; return compat_43_sys_getrlimit(l, &ua_43, retval); } int sunos_sys_setrlimit(struct lwp *l, const struct sunos_sys_setrlimit_args *uap, register_t *retval) { struct compat_43_sys_setrlimit_args ua_43; SCARG(&ua_43, which) = SCARG(uap, which); SCARG(&ua_43, rlp) = SCARG(uap, rlp); if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS) return EINVAL; if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE) SCARG(&ua_43, which) = RLIMIT_NOFILE; return compat_43_sys_setrlimit(l, &ua_43, retval); } /* for the m68k machines */ #ifndef PT_GETFPREGS #define PT_GETFPREGS -1 #endif #ifndef PT_SETFPREGS #define PT_SETFPREGS -1 #endif static const 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 const int nreqs = sizeof(sreq2breq) / sizeof(sreq2breq[0]); int sunos_sys_ptrace(struct lwp *l, const struct sunos_sys_ptrace_args *uap, register_t *retval) { struct sys_ptrace_args pa; int req; #define sys_ptrace sysent[SYS_ptrace].sy_call if (sys_ptrace == sys_nosys) return ENOSYS; 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) = (void *)SCARG(uap, addr); SCARG(&pa, data) = SCARG(uap, data); return sys_ptrace(l, &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. */ #define SUNOS_RB_ASKNAME 0x001 #define SUNOS_RB_SINGLE 0x002 #define SUNOS_RB_NOSYNC 0x004 #define SUNOS_RB_HALT 0x008 #define SUNOS_RB_DUMP 0x080 #define SUNOS_RB_STRING 0x200 static struct sunos_howto_conv { int sun_howto; int bsd_howto; } sunos_howto_conv[] = { { SUNOS_RB_ASKNAME, RB_ASKNAME }, { SUNOS_RB_SINGLE, RB_SINGLE }, { SUNOS_RB_NOSYNC, RB_NOSYNC }, { SUNOS_RB_HALT, RB_HALT }, { SUNOS_RB_DUMP, RB_DUMP }, { SUNOS_RB_STRING, RB_STRING }, { 0x000, 0 }, }; int sunos_sys_reboot(struct lwp *l, const struct sunos_sys_reboot_args *uap, register_t *retval) { struct sys_reboot_args ua; struct sunos_howto_conv *convp; int error, bsd_howto, sun_howto; char *bootstr; char bs[128]; if ((error = kauth_authorize_system(l->l_cred, KAUTH_SYSTEM_REBOOT, 0, NULL, NULL, NULL)) != 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++; } /* * Sun RB_STRING (Get user supplied bootstring.) * If the machine supports passing a string to the * next booted kernel. */ if (sun_howto & SUNOS_RB_STRING) { error = copyinstr(SCARG(uap, bootstr), bs, sizeof(bs), 0); if (error) bootstr = NULL; else bootstr = bs; } else bootstr = NULL; SCARG(&ua, opt) = bsd_howto; SCARG(&ua, bootstr) = bootstr; sys_reboot(l, &ua, retval); return(0); } /* * Generalized interface signal handler, 4.3-compatible. */ /* ARGSUSED */ int sunos_sys_sigvec(struct lwp *l, const struct sunos_sys_sigvec_args *uap, register_t *retval) { /* { syscallarg(int) signum; syscallarg(struct sigvec *) nsv; syscallarg(struct sigvec *) osv; } */ struct sigvec nsv, osv; struct sigaction nsa, osa; int error; /*XXX*/extern void compat_43_sigvec_to_sigaction (const struct sigvec *, struct sigaction *); /*XXX*/extern void compat_43_sigaction_to_sigvec (const struct sigaction *, struct sigvec *); if (SCARG(uap, nsv)) { error = copyin(SCARG(uap, nsv), &nsv, sizeof(nsv)); if (error != 0) 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 (nsv.sv_flags & ~0xF) return (EINVAL); compat_43_sigvec_to_sigaction(&nsv, &nsa); } error = sigaction1(l, SCARG(uap, signum), SCARG(uap, nsv) ? &nsa : 0, SCARG(uap, osv) ? &osa : 0, NULL, 0); if (error != 0) return (error); if (SCARG(uap, osv)) { compat_43_sigaction_to_sigvec(&osa, &osv); error = copyout(&osv, SCARG(uap, osv), sizeof(osv)); if (error != 0) return (error); } return (0); }