/* * Copyright (c) 1995 Steven Wallace * Copyright (c) 1994, 1995 Scott Bartram * 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. * * from: Header: sun_misc.c,v 1.16 93/04/07 02:46:27 torek Exp * * @(#)sun_misc.c 8.1 (Berkeley) 6/18/93 * * $Id: ibcs2_misc.c,v 1.9 1995/10/23 19:46:51 swallace Exp $ */ /* * IBCS2 compatibility module. * * IBCS2 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 /* must be included after vm.h */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include int ibcs2_ulimit(p, uap, retval) struct proc *p; struct ibcs2_ulimit_args *uap; int *retval; { #ifdef notyet int error; struct rlimit rl; struct setrlimit_args { int resource; struct rlimit *rlp; } sra; #endif #define IBCS2_GETFSIZE 1 #define IBCS2_SETFSIZE 2 #define IBCS2_GETPSIZE 3 #define IBCS2_GETDTABLESIZE 4 switch (SCARG(uap, cmd)) { case IBCS2_GETFSIZE: *retval = p->p_rlimit[RLIMIT_FSIZE].rlim_cur; return 0; case IBCS2_SETFSIZE: /* XXX - fix this */ #ifdef notyet rl.rlim_cur = SCARG(uap, newlimit); sra.resource = RLIMIT_FSIZE; sra.rlp = &rl; error = setrlimit(p, &sra, retval); if (!error) *retval = p->p_rlimit[RLIMIT_FSIZE].rlim_cur; else DPRINTF(("failed ")); return error; #else *retval = SCARG(uap, newlimit); return 0; #endif case IBCS2_GETPSIZE: *retval = p->p_rlimit[RLIMIT_RSS].rlim_cur; /* XXX */ return 0; case IBCS2_GETDTABLESIZE: uap->cmd = IBCS2_SC_OPEN_MAX; return ibcs2_sysconf(p, (struct ibcs2_sysconf_args *)uap, retval); default: return ENOSYS; } } #define IBCS2_WSTOPPED 0177 #define IBCS2_STOPCODE(sig) ((sig) << 8 | IBCS2_WSTOPPED) int ibcs2_wait(p, uap, retval) struct proc *p; struct ibcs2_wait_args *uap; int *retval; { int error, status; struct wait_args w4; struct trapframe *tf = (struct trapframe *)p->p_md.md_regs; SCARG(&w4, rusage) = NULL; if ((tf->tf_eflags & (PSL_Z|PSL_PF|PSL_N|PSL_V)) == (PSL_Z|PSL_PF|PSL_N|PSL_V)) { /* waitpid */ SCARG(&w4, pid) = SCARG(uap, a1); SCARG(&w4, status) = (int *)SCARG(uap, a2); SCARG(&w4, options) = SCARG(uap, a3); } else { /* wait */ SCARG(&w4, pid) = WAIT_ANY; SCARG(&w4, status) = (int *)SCARG(uap, a1); SCARG(&w4, options) = 0; } if ((error = wait4(p, &w4, retval)) != 0) return error; if (SCARG(&w4, status)) { /* this is real iBCS brain-damage */ error = copyin((caddr_t)SCARG(&w4, status), (caddr_t)&status, sizeof(SCARG(&w4, status))); if(error) return error; /* convert status/signal result */ if(WIFSTOPPED(status)) status = IBCS2_STOPCODE(bsd_to_ibcs2_sig[WSTOPSIG(status)]); else if(WIFSIGNALED(status)) status = bsd_to_ibcs2_sig[WTERMSIG(status)]; /* else exit status -- identical */ /* record result/status */ retval[1] = status; return copyout((caddr_t)&status, (caddr_t)SCARG(&w4, status), sizeof(SCARG(&w4, status))); } return 0; } int ibcs2_execv(p, uap, retval) struct proc *p; struct ibcs2_execv_args *uap; int *retval; { struct execve_args ea; caddr_t sg = stackgap_init(); CHECKALTEXIST(p, &sg, SCARG(uap, path)); SCARG(&ea, fname) = SCARG(uap, path); SCARG(&ea, argv) = SCARG(uap, argp); SCARG(&ea, envv) = NULL; return execve(p, &ea, retval); } int ibcs2_execve(p, uap, retval) struct proc *p; struct ibcs2_execve_args *uap; int *retval; { caddr_t sg = stackgap_init(); CHECKALTEXIST(p, &sg, SCARG(uap, path)); return execve(p, (struct execve_args *)uap, retval); } int ibcs2_umount(p, uap, retval) struct proc *p; struct ibcs2_umount_args *uap; int *retval; { struct unmount_args um; SCARG(&um, path) = SCARG(uap, name); SCARG(&um, flags) = 0; return unmount(p, &um, retval); } int ibcs2_mount(p, uap, retval) struct proc *p; struct ibcs2_mount_args *uap; int *retval; { #ifdef notyet int oflags = SCARG(uap, flags), nflags, error; char fsname[MFSNAMELEN]; if (oflags & (IBCS2_MS_NOSUB | IBCS2_MS_SYS5)) return (EINVAL); if ((oflags & IBCS2_MS_NEWTYPE) == 0) return (EINVAL); nflags = 0; if (oflags & IBCS2_MS_RDONLY) nflags |= MNT_RDONLY; if (oflags & IBCS2_MS_NOSUID) nflags |= MNT_NOSUID; if (oflags & IBCS2_MS_REMOUNT) nflags |= MNT_UPDATE; SCARG(uap, flags) = nflags; if (error = copyinstr((caddr_t)SCARG(uap, type), fsname, sizeof fsname, (u_int *)0)) return (error); if (strcmp(fsname, "4.2") == 0) { SCARG(uap, type) = (caddr_t)STACK_ALLOC(); if (error = copyout("ufs", SCARG(uap, type), sizeof("ufs"))) return (error); } else if (strcmp(fsname, "nfs") == 0) { struct ibcs2_nfs_args sna; struct sockaddr_in sain; struct nfs_args na; struct sockaddr sa; if (error = copyin(SCARG(uap, data), &sna, sizeof sna)) return (error); if (error = copyin(sna.addr, &sain, sizeof sain)) return (error); bcopy(&sain, &sa, sizeof sa); sa.sa_len = sizeof(sain); SCARG(uap, data) = (caddr_t)STACK_ALLOC(); na.addr = (struct sockaddr *)((int)SCARG(uap, data) + sizeof na); na.sotype = SOCK_DGRAM; na.proto = IPPROTO_UDP; na.fh = (nfsv2fh_t *)sna.fh; na.flags = sna.flags; na.wsize = sna.wsize; na.rsize = sna.rsize; na.timeo = sna.timeo; na.retrans = sna.retrans; na.hostname = sna.hostname; if (error = copyout(&sa, na.addr, sizeof sa)) return (error); if (error = copyout(&na, SCARG(uap, data), sizeof na)) return (error); } return (mount(p, uap, retval)); #else return EINVAL; #endif } /* * Read iBCS2-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 ibcs2_getdents(p, uap, retval) struct proc *p; register struct ibcs2_getdents_args *uap; int *retval; { register struct vnode *vp; register caddr_t inp, buf; /* BSD-format */ register int len, reclen; /* BSD-format */ register caddr_t outp; /* iBCS2-format */ register int resid; /* iBCS2-format */ struct file *fp; struct uio auio; struct iovec aiov; struct ibcs2_dirent idb; off_t off; /* true file offset */ int buflen, error, eofflag, blockoff; #define BSD_DIRENT(cp) ((struct direct *)(cp)) #define IBCS2_RECLEN(reclen) (reclen + sizeof(u_short)) 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); off = fp->f_offset; blockoff = off % DIRBLKSIZ; buflen = max(DIRBLKSIZ, SCARG(uap, nbytes) + blockoff); buflen = min(buflen, MAXBSIZE); buf = malloc(buflen, M_TEMP, M_WAITOK); VOP_LOCK(vp); 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 - (off_t)blockoff; /* * First we read into the malloc'ed buffer, then * we massage it into user space, one record at a time. */ if (error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag, NULL, NULL)) goto out; inp = buf; inp += blockoff; outp = SCARG(uap, buf); resid = SCARG(uap, nbytes); if ((len = buflen - auio.uio_resid - blockoff) == 0) goto eof; for (; len > 0; len -= reclen) { reclen = BSD_DIRENT(inp)->d_reclen; if (reclen & 3) { printf("ibcs2_getdents: reclen=%d\n", reclen); error = EFAULT; goto out; } if (BSD_DIRENT(inp)->d_ino == 0) { inp += reclen; /* it is a hole; squish it out */ off += reclen; continue; } if (reclen > len || resid < IBCS2_RECLEN(reclen)) { /* entry too big for buffer, so just stop */ outp++; break; } /* * Massage in place to make a iBCS2-shaped dirent (otherwise * we have to worry about touching user memory outside of * the copyout() call). */ idb.d_ino = (ibcs2_ino_t)BSD_DIRENT(inp)->d_ino; idb.d_off = (ibcs2_off_t)off; idb.d_reclen = (u_short)IBCS2_RECLEN(reclen); if ((error = copyout((caddr_t)&idb, outp, 10)) != 0 || (error = copyout(BSD_DIRENT(inp)->d_name, outp + 10, BSD_DIRENT(inp)->d_namlen + 1)) != 0) goto out; /* advance past this real entry */ off += reclen; inp += reclen; /* advance output past iBCS2-shaped entry */ outp += IBCS2_RECLEN(reclen); resid -= IBCS2_RECLEN(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(buf, M_TEMP); return (error); } int ibcs2_read(p, uap, retval) struct proc *p; struct ibcs2_read_args *uap; int *retval; { register struct vnode *vp; register caddr_t inp, buf; /* BSD-format */ register int len, reclen; /* BSD-format */ register caddr_t outp; /* iBCS2-format */ register int resid; /* iBCS2-format */ struct file *fp; struct uio auio; struct iovec aiov; struct ibcs2_direct { ibcs2_ino_t ino; char name[14]; } idb; off_t off; /* true file offset */ int buflen, error, eofflag, size, blockoff; if (error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) { if (error == EINVAL) return read(p, (struct read_args *)uap, retval); else return error; } if ((fp->f_flag & FREAD) == 0) return (EBADF); vp = (struct vnode *)fp->f_data; if (vp->v_type != VDIR) return read(p, (struct read_args *)uap, retval); DPRINTF(("ibcs2_read: read directory\n")); off = fp->f_offset; blockoff = off % DIRBLKSIZ; buflen = max(DIRBLKSIZ, SCARG(uap, nbytes) + blockoff); buflen = min(buflen, MAXBSIZE); buf = malloc(buflen, M_TEMP, M_WAITOK); VOP_LOCK(vp); 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 - (off_t)blockoff; /* * First we read into the malloc'ed buffer, then * we massage it into user space, one record at a time. */ if (error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag, 0, 0)) { DPRINTF(("VOP_READDIR failed: %d\n", error)); goto out; } inp = buf; inp += blockoff; outp = SCARG(uap, buf); resid = SCARG(uap, nbytes); if ((len = buflen - auio.uio_resid - blockoff) == 0) goto eof; for (; len > 0 && resid > 0; len -= reclen) { reclen = BSD_DIRENT(inp)->d_reclen; if (reclen & 3) { printf("ibcs2_read: reclen=%d\n", reclen); error = EFAULT; goto out; } if (BSD_DIRENT(inp)->d_ino == 0) { inp += reclen; /* it is a hole; squish it out */ off += reclen; continue; } if (reclen > len || resid < sizeof(struct ibcs2_direct)) { /* entry too big for buffer, so just stop */ outp++; break; } /* * Massage in place to make a iBCS2-shaped dirent (otherwise * we have to worry about touching user memory outside of * the copyout() call). * * TODO: if length(filename) > 14, then break filename into * multiple entries and set inode = 0xffff except last */ idb.ino = (BSD_DIRENT(inp)->d_ino > 0xfffe) ? 0xfffe : BSD_DIRENT(inp)->d_ino; (void)copystr(BSD_DIRENT(inp)->d_name, idb.name, 14, &size); bzero(idb.name + size, 14 - size); if (error = copyout(&idb, outp, sizeof(struct ibcs2_direct))) goto out; /* advance past this real entry */ off += reclen; inp += reclen; /* advance output past iBCS2-shaped entry */ outp += sizeof(struct ibcs2_direct); resid -= sizeof(struct ibcs2_direct); } /* 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(buf, M_TEMP); return (error); } int ibcs2_mknod(p, uap, retval) struct proc *p; struct ibcs2_mknod_args *uap; int *retval; { caddr_t sg = stackgap_init(); CHECKALTCREAT(p, &sg, SCARG(uap, path)); if (S_ISFIFO(SCARG(uap, mode))) { struct mkfifo_args ap; SCARG(&ap, path) = SCARG(uap, path); SCARG(&ap, mode) = SCARG(uap, mode); return mkfifo(p, &ap, retval); } else { struct mknod_args ap; SCARG(&ap, path) = SCARG(uap, path); SCARG(&ap, mode) = SCARG(uap, mode); SCARG(&ap, dev) = SCARG(uap, dev); return mknod(p, &ap, retval); } } int ibcs2_getgroups(p, uap, retval) struct proc *p; struct ibcs2_getgroups_args *uap; int *retval; { int error, i; ibcs2_gid_t *iset; struct getgroups_args sa; gid_t *gp; caddr_t sg = stackgap_init(); SCARG(&sa, gidsetsize) = SCARG(uap, gidsetsize); if (SCARG(uap, gidsetsize)) { SCARG(&sa, gidset) = stackgap_alloc(&sg, NGROUPS_MAX * sizeof(gid_t *)); } iset = stackgap_alloc(&sg, SCARG(uap, gidsetsize)*sizeof(ibcs2_gid_t)); if (error = getgroups(p, &sa, retval)) return error; for (i = 0, gp = SCARG(&sa, gidset); i < retval[0]; i++) iset[i] = (ibcs2_gid_t)*gp++; if (retval[0] && (error = copyout((caddr_t)iset, (caddr_t)SCARG(uap, gidset), sizeof(ibcs2_gid_t) * retval[0]))) return error; return 0; } int ibcs2_setgroups(p, uap, retval) struct proc *p; struct ibcs2_setgroups_args *uap; int *retval; { int error, i; ibcs2_gid_t *iset; struct setgroups_args sa; gid_t *gp; caddr_t sg = stackgap_init(); SCARG(&sa, gidsetsize) = SCARG(uap, gidsetsize); SCARG(&sa, gidset) = stackgap_alloc(&sg, SCARG(&sa, gidsetsize) * sizeof(gid_t *)); iset = stackgap_alloc(&sg, SCARG(&sa, gidsetsize) * sizeof(ibcs2_gid_t *)); if (SCARG(&sa, gidsetsize)) { if (error = copyin((caddr_t)SCARG(uap, gidset), (caddr_t)iset, sizeof(ibcs2_gid_t *) * SCARG(uap, gidsetsize))) return error; } for (i = 0, gp = SCARG(&sa, gidset); i < SCARG(&sa, gidsetsize); i++) *gp++ = (gid_t)iset[i]; return setgroups(p, &sa, retval); } int ibcs2_setuid(p, uap, retval) struct proc *p; struct ibcs2_setuid_args *uap; int *retval; { struct setuid_args sa; SCARG(&sa, uid) = (uid_t)SCARG(uap, uid); return setuid(p, &sa, retval); } int ibcs2_setgid(p, uap, retval) struct proc *p; struct ibcs2_setgid_args *uap; int *retval; { struct setgid_args sa; SCARG(&sa, gid) = (gid_t)SCARG(uap, gid); return setgid(p, &sa, retval); } int ibcs2_time(p, uap, retval) struct proc *p; struct ibcs2_time_args *uap; int *retval; { struct timeval tv; microtime(&tv); *retval = tv.tv_sec; if (SCARG(uap, tp)) return copyout((caddr_t)&tv.tv_sec, (caddr_t)SCARG(uap, tp), sizeof(ibcs2_time_t)); else return 0; } int ibcs2_pathconf(p, uap, retval) struct proc *p; struct ibcs2_pathconf_args *uap; int *retval; { SCARG(uap, name)++; /* iBCS2 _PC_* defines are offset by one */ return pathconf(p, (struct pathconf_args *)uap, retval); } int ibcs2_fpathconf(p, uap, retval) struct proc *p; struct ibcs2_fpathconf_args *uap; int *retval; { SCARG(uap, name)++; /* iBCS2 _PC_* defines are offset by one */ return fpathconf(p, (struct fpathconf_args *)uap, retval); } int ibcs2_sysconf(p, uap, retval) struct proc *p; struct ibcs2_sysconf_args *uap; int *retval; { int mib[2], value, len, error; struct sysctl_args sa; struct __getrlimit_args ga; switch(SCARG(uap, name)) { case IBCS2_SC_ARG_MAX: mib[1] = KERN_ARGMAX; break; case IBCS2_SC_CHILD_MAX: { caddr_t sg = stackgap_init(); SCARG(&ga, which) = RLIMIT_NPROC; SCARG(&ga, rlp) = stackgap_alloc(&sg, sizeof(struct rlimit *)); if (error = getrlimit(p, &ga, retval)) return error; *retval = SCARG(&ga, rlp)->rlim_cur; return 0; } case IBCS2_SC_CLK_TCK: *retval = hz; return 0; case IBCS2_SC_NGROUPS_MAX: mib[1] = KERN_NGROUPS; break; case IBCS2_SC_OPEN_MAX: { caddr_t sg = stackgap_init(); SCARG(&ga, which) = RLIMIT_NOFILE; SCARG(&ga, rlp) = stackgap_alloc(&sg, sizeof(struct rlimit *)); if (error = getrlimit(p, &ga, retval)) return error; *retval = SCARG(&ga, rlp)->rlim_cur; return 0; } case IBCS2_SC_JOB_CONTROL: mib[1] = KERN_JOB_CONTROL; break; case IBCS2_SC_SAVED_IDS: mib[1] = KERN_SAVED_IDS; break; case IBCS2_SC_VERSION: mib[1] = KERN_POSIX1; break; case IBCS2_SC_PASS_MAX: *retval = 128; /* XXX - should we create PASS_MAX ? */ return 0; case IBCS2_SC_XOPEN_VERSION: *retval = 2; /* XXX: What should that be? */ return 0; default: return EINVAL; } mib[0] = CTL_KERN; len = sizeof(value); SCARG(&sa, name) = mib; SCARG(&sa, namelen) = 2; SCARG(&sa, old) = &value; SCARG(&sa, oldlenp) = &len; SCARG(&sa, new) = NULL; SCARG(&sa, newlen) = 0; if (error = __sysctl(p, &sa, retval)) return error; *retval = value; return 0; } int ibcs2_alarm(p, uap, retval) struct proc *p; struct ibcs2_alarm_args *uap; int *retval; { int error; struct itimerval *itp, *oitp; struct setitimer_args sa; caddr_t sg = stackgap_init(); itp = stackgap_alloc(&sg, sizeof(*itp)); oitp = stackgap_alloc(&sg, sizeof(*oitp)); timerclear(&itp->it_interval); itp->it_value.tv_sec = SCARG(uap, sec); itp->it_value.tv_usec = 0; SCARG(&sa, which) = ITIMER_REAL; SCARG(&sa, itv) = itp; SCARG(&sa, oitv) = oitp; error = setitimer(p, &sa, retval); if (error) return error; if (oitp->it_value.tv_usec) oitp->it_value.tv_sec++; *retval = oitp->it_value.tv_sec; return 0; } int ibcs2_times(p, uap, retval) struct proc *p; struct ibcs2_times_args *uap; int *retval; { int error; struct getrusage_args ga; struct tms tms; struct timeval t; caddr_t sg = stackgap_init(); struct rusage *ru = stackgap_alloc(&sg, sizeof(*ru)); #define CONVTCK(r) (r.tv_sec * hz + r.tv_usec / (1000000 / hz)) SCARG(&ga, who) = RUSAGE_SELF; SCARG(&ga, rusage) = ru; error = getrusage(p, &ga, retval); if (error) return error; tms.tms_utime = CONVTCK(ru->ru_utime); tms.tms_stime = CONVTCK(ru->ru_stime); SCARG(&ga, who) = RUSAGE_CHILDREN; error = getrusage(p, &ga, retval); if (error) return error; tms.tms_cutime = CONVTCK(ru->ru_utime); tms.tms_cstime = CONVTCK(ru->ru_stime); microtime(&t); *retval = CONVTCK(t); return copyout((caddr_t)&tms, (caddr_t)SCARG(uap, tp), sizeof(struct tms)); } int ibcs2_stime(p, uap, retval) struct proc *p; struct ibcs2_stime_args *uap; int *retval; { int error; struct settimeofday_args sa; caddr_t sg = stackgap_init(); SCARG(&sa, tv) = stackgap_alloc(&sg, sizeof(*SCARG(&sa, tv))); SCARG(&sa, tzp) = NULL; if (error = copyin((caddr_t)SCARG(uap, timep), &(SCARG(&sa, tv)->tv_sec), sizeof(long))) return error; SCARG(&sa, tv)->tv_usec = 0; if (error = settimeofday(p, &sa, retval)) return EPERM; return 0; } int ibcs2_utime(p, uap, retval) struct proc *p; struct ibcs2_utime_args *uap; int *retval; { int error; struct utimes_args sa; struct timeval *tp; caddr_t sg = stackgap_init(); CHECKALTEXIST(p, &sg, SCARG(uap, path)); SCARG(&sa, path) = SCARG(uap, path); if (SCARG(uap, buf)) { struct ibcs2_utimbuf ubuf; if (error = copyin((caddr_t)SCARG(uap, buf), (caddr_t)&ubuf, sizeof(ubuf))) return error; SCARG(&sa, tptr) = stackgap_alloc(&sg, 2 * sizeof(struct timeval *)); tp = (struct timeval *)SCARG(&sa, tptr); tp->tv_sec = ubuf.actime; tp->tv_usec = 0; tp++; tp->tv_sec = ubuf.modtime; tp->tv_usec = 0; } else SCARG(&sa, tptr) = NULL; return utimes(p, &sa, retval); } int ibcs2_nice(p, uap, retval) struct proc *p; struct ibcs2_nice_args *uap; int *retval; { int error; struct setpriority_args sa; SCARG(&sa, which) = PRIO_PROCESS; SCARG(&sa, who) = 0; SCARG(&sa, prio) = p->p_nice + SCARG(uap, incr); if (error = setpriority(p, &sa, retval)) return EPERM; *retval = p->p_nice; return 0; } /* * iBCS2 getpgrp, setpgrp, setsid, and setpgid */ int ibcs2_pgrpsys(p, uap, retval) struct proc *p; struct ibcs2_pgrpsys_args *uap; int *retval; { switch (SCARG(uap, type)) { case 0: /* getpgrp */ *retval = p->p_pgrp->pg_id; return 0; case 1: /* setpgrp */ { struct setpgid_args sa; SCARG(&sa, pid) = 0; SCARG(&sa, pgid) = 0; setpgid(p, &sa, retval); *retval = p->p_pgrp->pg_id; return 0; } case 2: /* setpgid */ { struct setpgid_args sa; SCARG(&sa, pid) = SCARG(uap, pid); SCARG(&sa, pgid) = SCARG(uap, pgid); return setpgid(p, &sa, retval); } case 3: /* setsid */ return setsid(p, NULL, retval); default: return EINVAL; } } /* * XXX - need to check for nested calls */ int ibcs2_plock(p, uap, retval) struct proc *p; struct ibcs2_plock_args *uap; int *retval; { int error; #define IBCS2_UNLOCK 0 #define IBCS2_PROCLOCK 1 #define IBCS2_TEXTLOCK 2 #define IBCS2_DATALOCK 4 if (error = suser(p->p_ucred, &p->p_acflag)) return EPERM; switch(SCARG(uap, cmd)) { case IBCS2_UNLOCK: case IBCS2_PROCLOCK: case IBCS2_TEXTLOCK: case IBCS2_DATALOCK: return 0; /* XXX - TODO */ } return EINVAL; } int ibcs2_uadmin(p, uap, retval) struct proc *p; struct ibcs2_uadmin_args *uap; int *retval; { #define SCO_A_REBOOT 1 #define SCO_A_SHUTDOWN 2 #define SCO_A_REMOUNT 4 #define SCO_A_CLOCK 8 #define SCO_A_SETCONFIG 128 #define SCO_A_GETDEV 130 #define SCO_AD_HALT 0 #define SCO_AD_BOOT 1 #define SCO_AD_IBOOT 2 #define SCO_AD_PWRDOWN 3 #define SCO_AD_PWRNAP 4 #define SCO_AD_PANICBOOT 1 #define SCO_AD_GETBMAJ 0 #define SCO_AD_GETCMAJ 1 if (suser(p->p_ucred, &p->p_acflag)) return EPERM; switch(SCARG(uap, cmd)) { case SCO_A_REBOOT: case SCO_A_SHUTDOWN: switch(SCARG(uap, func)) { struct reboot_args r; case SCO_AD_HALT: case SCO_AD_PWRDOWN: case SCO_AD_PWRNAP: r.opt = RB_HALT; reboot(p, &r, retval); case SCO_AD_BOOT: case SCO_AD_IBOOT: r.opt = RB_AUTOBOOT; reboot(p, &r, retval); } return EINVAL; case SCO_A_REMOUNT: case SCO_A_CLOCK: case SCO_A_SETCONFIG: return 0; case SCO_A_GETDEV: return EINVAL; /* XXX - TODO */ } return EINVAL; } int ibcs2_sysfs(p, uap, retval) struct proc *p; struct ibcs2_sysfs_args *uap; int *retval; { #define IBCS2_GETFSIND 1 #define IBCS2_GETFSTYP 2 #define IBCS2_GETNFSTYP 3 switch(SCARG(uap, cmd)) { case IBCS2_GETFSIND: case IBCS2_GETFSTYP: case IBCS2_GETNFSTYP: } return EINVAL; /* XXX - TODO */ } int ibcs2_unlink(p, uap, retval) struct proc *p; struct ibcs2_unlink_args *uap; int *retval; { caddr_t sg = stackgap_init(); CHECKALTEXIST(p, &sg, SCARG(uap, path)); return unlink(p, (struct unlink_args *)uap, retval); } int ibcs2_chdir(p, uap, retval) struct proc *p; struct ibcs2_chdir_args *uap; int *retval; { caddr_t sg = stackgap_init(); CHECKALTEXIST(p, &sg, SCARG(uap, path)); return chdir(p, (struct chdir_args *)uap, retval); } int ibcs2_chmod(p, uap, retval) struct proc *p; struct ibcs2_chmod_args *uap; int *retval; { caddr_t sg = stackgap_init(); CHECKALTEXIST(p, &sg, SCARG(uap, path)); return chmod(p, (struct chmod_args *)uap, retval); } int ibcs2_chown(p, uap, retval) struct proc *p; struct ibcs2_chown_args *uap; int *retval; { caddr_t sg = stackgap_init(); CHECKALTEXIST(p, &sg, SCARG(uap, path)); return chown(p, (struct chown_args *)uap, retval); } int ibcs2_rmdir(p, uap, retval) struct proc *p; struct ibcs2_rmdir_args *uap; int *retval; { caddr_t sg = stackgap_init(); CHECKALTEXIST(p, &sg, SCARG(uap, path)); return rmdir(p, (struct rmdir_args *)uap, retval); } int ibcs2_mkdir(p, uap, retval) struct proc *p; struct ibcs2_mkdir_args *uap; int *retval; { caddr_t sg = stackgap_init(); CHECKALTCREAT(p, &sg, SCARG(uap, path)); return mkdir(p, (struct mkdir_args *)uap, retval); } int ibcs2_symlink(p, uap, retval) struct proc *p; struct ibcs2_symlink_args *uap; int *retval; { caddr_t sg = stackgap_init(); CHECKALTEXIST(p, &sg, SCARG(uap, path)); CHECKALTCREAT(p, &sg, SCARG(uap, link)); return symlink(p, (struct symlink_args *)uap, retval); } int ibcs2_rename(p, uap, retval) struct proc *p; struct ibcs2_rename_args *uap; int *retval; { caddr_t sg = stackgap_init(); CHECKALTEXIST(p, &sg, SCARG(uap, from)); CHECKALTCREAT(p, &sg, SCARG(uap, to)); return rename(p, (struct rename_args *)uap, retval); } int ibcs2_readlink(p, uap, retval) struct proc *p; struct ibcs2_readlink_args *uap; int *retval; { caddr_t sg = stackgap_init(); CHECKALTEXIST(p, &sg, SCARG(uap, path)); return readlink(p, (struct readlink_args *) uap, retval); }