/* $OpenBSD: svr4_stat.c,v 1.16 1999/07/15 19:26:37 deraadt Exp $ */ /* $NetBSD: svr4_stat.c,v 1.21 1996/04/22 01:16:07 christos Exp $ */ /* * Copyright (c) 1994 Christos Zoulas * All rights reserved. * * 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. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. */ #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 __sparc__ /* * Solaris-2.4 on the sparc has the old stat call using the new * stat data structure... */ # define SVR4_NO_OSTAT #endif static void bsd_to_svr4_xstat __P((struct stat *, struct svr4_xstat *)); int svr4_ustat __P((struct proc *, void *, register_t *)); static int svr4_to_bsd_pathconf __P((int)); /* * SVR4 uses named pipes as named sockets, so we tell programs * that sockets are named pipes with mode 0 */ #define BSD_TO_SVR4_MODE(mode) (S_ISSOCK(mode) ? S_IFIFO : (mode)) #ifndef SVR4_NO_OSTAT static void bsd_to_svr4_stat __P((struct stat *, struct svr4_stat *)); static void bsd_to_svr4_stat(st, st4) struct stat *st; struct svr4_stat *st4; { bzero(st4, sizeof(*st4)); st4->st_dev = st->st_dev; st4->st_ino = st->st_ino; st4->st_mode = BSD_TO_SVR4_MODE(st->st_mode); st4->st_nlink = st->st_nlink; st4->st_uid = st->st_uid; st4->st_gid = st->st_gid; st4->st_rdev = st->st_rdev; st4->st_size = st->st_size; st4->st_atim = st->st_atimespec.tv_sec; st4->st_mtim = st->st_mtimespec.tv_sec; st4->st_ctim = st->st_ctimespec.tv_sec; } #endif static void bsd_to_svr4_xstat(st, st4) struct stat *st; struct svr4_xstat *st4; { bzero(st4, sizeof(*st4)); st4->st_dev = st->st_dev; st4->st_ino = st->st_ino; st4->st_mode = BSD_TO_SVR4_MODE(st->st_mode); st4->st_nlink = st->st_nlink; st4->st_uid = st->st_uid; st4->st_gid = st->st_gid; st4->st_rdev = st->st_rdev; st4->st_size = st->st_size; st4->st_atim = st->st_atimespec; st4->st_mtim = st->st_mtimespec; st4->st_ctim = st->st_ctimespec; st4->st_blksize = st->st_blksize; st4->st_blocks = st->st_blocks; strcpy(st4->st_fstype, "unknown"); } int svr4_sys_stat(p, v, retval) register struct proc *p; void *v; register_t *retval; { struct svr4_sys_stat_args *uap = v; #ifdef SVR4_NO_OSTAT struct svr4_sys_xstat_args cup; SCARG(&cup, two) = 2; SCARG(&cup, path) = SCARG(uap, path); SCARG(&cup, ub) = (struct svr4_xstat *) SCARG(uap, ub); return svr4_sys_xstat(p, &cup, retval); #else struct stat st; struct svr4_stat svr4_st; struct sys_stat_args cup; int error; caddr_t sg = stackgap_init(p->p_emul); SVR4_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); SCARG(&cup, path) = SCARG(uap, path); SCARG(&cup, ub) = stackgap_alloc(&sg, sizeof(struct stat)); if ((error = sys_stat(p, &cup, retval)) != 0) return error; if ((error = copyin(SCARG(&cup, ub), &st, sizeof st)) != 0) return error; bsd_to_svr4_stat(&st, &svr4_st); if (S_ISSOCK(st.st_mode)) (void) svr4_add_socket(p, SCARG(uap, path), &st); if ((error = copyout(&svr4_st, SCARG(uap, ub), sizeof svr4_st)) != 0) return error; return 0; #endif } int svr4_sys_lstat(p, v, retval) register struct proc *p; void *v; register_t *retval; { struct svr4_sys_lstat_args *uap = v; #ifdef SVR4_NO_OSTAT struct svr4_sys_lxstat_args cup; SCARG(&cup, two) = 2; SCARG(&cup, path) = SCARG(uap, path); SCARG(&cup, ub) = (struct svr4_xstat *) SCARG(uap, ub); return svr4_sys_lxstat(p, &cup, retval); #else struct stat st; struct svr4_stat svr4_st; struct sys_lstat_args cup; int error; caddr_t sg = stackgap_init(p->p_emul); SVR4_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); SCARG(&cup, path) = SCARG(uap, path); SCARG(&cup, ub) = stackgap_alloc(&sg, sizeof(struct stat)); if ((error = sys_lstat(p, &cup, retval)) != 0) return error; if ((error = copyin(SCARG(&cup, ub), &st, sizeof st)) != 0) return error; bsd_to_svr4_stat(&st, &svr4_st); if (S_ISSOCK(st.st_mode)) (void) svr4_add_socket(p, SCARG(uap, path), &st); if ((error = copyout(&svr4_st, SCARG(uap, ub), sizeof svr4_st)) != 0) return error; return 0; #endif } int svr4_sys_fstat(p, v, retval) register struct proc *p; void *v; register_t *retval; { struct svr4_sys_fstat_args *uap = v; #ifdef SVR4_NO_OSTAT struct svr4_sys_fxstat_args cup; SCARG(&cup, two) = 2; SCARG(&cup, fd) = SCARG(uap, fd); SCARG(&cup, sb) = (struct svr4_xstat *) SCARG(uap, sb); return svr4_sys_fxstat(p, &cup, retval); #else struct stat st; struct svr4_stat svr4_st; struct sys_fstat_args cup; int error; caddr_t sg = stackgap_init(p->p_emul); SCARG(&cup, fd) = SCARG(uap, fd); SCARG(&cup, sb) = stackgap_alloc(&sg, sizeof(struct stat)); if ((error = sys_fstat(p, &cup, retval)) != 0) return error; if ((error = copyin(SCARG(&cup, sb), &st, sizeof st)) != 0) return error; bsd_to_svr4_stat(&st, &svr4_st); if ((error = copyout(&svr4_st, SCARG(uap, sb), sizeof svr4_st)) != 0) return error; return 0; #endif } int svr4_sys_xstat(p, v, retval) register struct proc *p; void *v; register_t *retval; { struct svr4_sys_xstat_args *uap = v; struct stat st; struct svr4_xstat svr4_st; struct sys_stat_args cup; int error; caddr_t sg = stackgap_init(p->p_emul); SVR4_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); SCARG(&cup, path) = SCARG(uap, path); SCARG(&cup, ub) = stackgap_alloc(&sg, sizeof(struct stat)); if ((error = sys_stat(p, &cup, retval)) != 0) return error; if ((error = copyin(SCARG(&cup, ub), &st, sizeof st)) != 0) return error; bsd_to_svr4_xstat(&st, &svr4_st); if (S_ISSOCK(st.st_mode)) (void) svr4_add_socket(p, SCARG(uap, path), &st); if ((error = copyout(&svr4_st, SCARG(uap, ub), sizeof svr4_st)) != 0) return error; return 0; } int svr4_sys_lxstat(p, v, retval) register struct proc *p; void *v; register_t *retval; { struct svr4_sys_lxstat_args *uap = v; struct stat st; struct svr4_xstat svr4_st; struct sys_lstat_args cup; int error; caddr_t sg = stackgap_init(p->p_emul); SVR4_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); SCARG(&cup, path) = SCARG(uap, path); SCARG(&cup, ub) = stackgap_alloc(&sg, sizeof(struct stat)); if ((error = sys_lstat(p, &cup, retval)) != 0) return error; if ((error = copyin(SCARG(&cup, ub), &st, sizeof st)) != 0) return error; bsd_to_svr4_xstat(&st, &svr4_st); if (S_ISSOCK(st.st_mode)) (void) svr4_add_socket(p, SCARG(uap, path), &st); if ((error = copyout(&svr4_st, SCARG(uap, ub), sizeof svr4_st)) != 0) return error; return 0; } int svr4_sys_fxstat(p, v, retval) register struct proc *p; void *v; register_t *retval; { struct svr4_sys_fxstat_args *uap = v; struct stat st; struct svr4_xstat svr4_st; struct sys_fstat_args cup; int error; caddr_t sg = stackgap_init(p->p_emul); SCARG(&cup, fd) = SCARG(uap, fd); SCARG(&cup, sb) = stackgap_alloc(&sg, sizeof(struct stat)); if ((error = sys_fstat(p, &cup, retval)) != 0) return error; if ((error = copyin(SCARG(&cup, sb), &st, sizeof st)) != 0) return error; bsd_to_svr4_xstat(&st, &svr4_st); if ((error = copyout(&svr4_st, SCARG(uap, sb), sizeof svr4_st)) != 0) return error; return 0; } struct svr4_ustat_args { syscallarg(svr4_dev_t) dev; syscallarg(struct svr4_ustat *) name; }; int svr4_ustat(p, v, retval) register struct proc *p; void *v; register_t *retval; { struct svr4_ustat_args /* { syscallarg(svr4_dev_t) dev; syscallarg(struct svr4_ustat *) name; } */ *uap = v; struct svr4_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 svr4_ustat) */ if ((error = copyout(&us, SCARG(uap, name), sizeof us)) != 0) return (error); return 0; } int svr4_sys_uname(p, v, retval) register struct proc *p; void *v; register_t *retval; { struct svr4_sys_uname_args *uap = v; struct svr4_utsname sut; extern char ostype[], hostname[], osrelease[], version[], machine[]; char *cp, *dp, *ep; bzero(&sut, sizeof(sut)); strncpy(sut.sysname, ostype, sizeof(sut.sysname)-1); sut.sysname[sizeof(sut.sysname) - 1] = '\0'; strncpy(sut.nodename, hostname, sizeof(sut.nodename)-1); sut.nodename[sizeof(sut.nodename) - 1] = '\0'; strncpy(sut.release, osrelease, sizeof(sut.release)-1); sut.release[sizeof(sut.release) - 1] = '\0'; dp = sut.version; ep = &sut.version[sizeof(sut.version) - 1]; for (cp = version; *cp && *cp != '('; cp++) ; for (cp++; *cp && *cp != ')' && dp < ep; cp++) *dp++ = *cp; for (; *cp && *cp != '#'; cp++) ; for (; *cp && *cp != ':' && dp < ep; cp++) *dp++ = *cp; *dp = '\0'; strncpy(sut.machine, machine, sizeof(sut.machine)-1); sut.machine[sizeof(sut.machine) - 1] = '\0'; return copyout((caddr_t) &sut, (caddr_t) SCARG(uap, name), sizeof(struct svr4_utsname)); } int svr4_sys_systeminfo(p, v, retval) register struct proc *p; void *v; register_t *retval; { struct svr4_sys_systeminfo_args *uap = v; char *str; int name; int error; long len; extern char ostype[], hostname[], osrelease[], version[], machine[], domainname[]; #ifdef __sparc__ extern char *cpu_class; #endif u_int rlen = SCARG(uap, len); switch (SCARG(uap, what)) { case SVR4_SI_SYSNAME: str = ostype; break; case SVR4_SI_HOSTNAME: str = hostname; break; case SVR4_SI_RELEASE: str = osrelease; break; case SVR4_SI_VERSION: str = version; break; case SVR4_SI_MACHINE: str = machine; break; case SVR4_SI_ARCHITECTURE: str = machine; break; case SVR4_SI_HW_SERIAL: str = "0"; break; case SVR4_SI_HW_PROVIDER: str = ostype; break; case SVR4_SI_SRPC_DOMAIN: str = domainname; break; case SVR4_SI_PLATFORM: #ifdef __sparc__ str = cpu_class; #else str = machine; #endif break; case SVR4_SI_KERB_REALM: str = "unsupported"; break; case SVR4_SI_SET_HOSTNAME: if ((error = suser(p->p_ucred, &p->p_acflag)) != 0) return error; name = KERN_HOSTNAME; return kern_sysctl(&name, 1, 0, 0, SCARG(uap, buf), rlen, p); case SVR4_SI_SET_SRPC_DOMAIN: if ((error = suser(p->p_ucred, &p->p_acflag)) != 0) return error; name = KERN_DOMAINNAME; return kern_sysctl(&name, 1, 0, 0, SCARG(uap, buf), rlen, p); case SVR4_SI_SET_KERB_REALM: return 0; default: DPRINTF(("Bad systeminfo command %d\n", SCARG(uap, what))); return ENOSYS; } /* on success, sysinfo() returns byte count including \0 */ /* result is not diminished if user buffer was too small */ len = strlen(str) + 1; *retval = len; /* nothing to copy if user buffer is empty */ if (rlen == 0) return 0; if (len > rlen) { /* if str overruns buffer, put NUL in last place */ len = rlen - 1; if (subyte(SCARG(uap, buf) + len, 0) < 0) return EFAULT; } return copyout(str, SCARG(uap, buf), len); } int svr4_sys_utssys(p, v, retval) register struct proc *p; void *v; register_t *retval; { struct svr4_sys_utssys_args *uap = v; switch (SCARG(uap, sel)) { case 0: /* uname(2) */ { struct svr4_sys_uname_args ua; SCARG(&ua, name) = SCARG(uap, a1); return svr4_sys_uname(p, &ua, retval); } case 2: /* ustat(2) */ { struct svr4_ustat_args ua; SCARG(&ua, dev) = (svr4_dev_t) SCARG(uap, a2); SCARG(&ua, name) = SCARG(uap, a1); return svr4_ustat(p, &ua, retval); } case 3: /* fusers(2) */ return ENOSYS; default: return ENOSYS; } return ENOSYS; } int svr4_sys_utime(p, v, retval) register struct proc *p; void *v; register_t *retval; { struct svr4_sys_utime_args *uap = v; struct svr4_utimbuf ub; struct timeval tbuf[2]; struct sys_utimes_args ap; int error; caddr_t sg = stackgap_init(p->p_emul); SVR4_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); SCARG(&ap, path) = SCARG(uap, path); if (SCARG(uap, ubuf) != NULL) { if ((error = copyin(SCARG(uap, ubuf), &ub, sizeof(ub))) != 0) return error; tbuf[0].tv_sec = ub.actime; tbuf[0].tv_usec = 0; tbuf[1].tv_sec = ub.modtime; tbuf[1].tv_usec = 0; SCARG(&ap, tptr) = stackgap_alloc(&sg, sizeof(tbuf)); error = copyout(tbuf, (struct timeval *)SCARG(&ap, tptr), sizeof(tbuf)); if (error) return error; } else SCARG(&ap, tptr) = NULL; return sys_utimes(p, &ap, retval); } int svr4_sys_utimes(p, v, retval) register struct proc *p; void *v; register_t *retval; { struct svr4_sys_utimes_args *uap = v; caddr_t sg = stackgap_init(p->p_emul); SVR4_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); return sys_utimes(p, uap, retval); } static int svr4_to_bsd_pathconf(name) int name; { switch (name) { case SVR4_PC_LINK_MAX: return _PC_LINK_MAX; case SVR4_PC_MAX_CANON: return _PC_MAX_CANON; case SVR4_PC_MAX_INPUT: return _PC_MAX_INPUT; case SVR4_PC_NAME_MAX: return _PC_NAME_MAX; case SVR4_PC_PATH_MAX: return _PC_PATH_MAX; case SVR4_PC_PIPE_BUF: return _PC_PIPE_BUF; case SVR4_PC_NO_TRUNC: return _PC_NO_TRUNC; case SVR4_PC_VDISABLE: return _PC_VDISABLE; case SVR4_PC_CHOWN_RESTRICTED: return _PC_CHOWN_RESTRICTED; case SVR4_PC_ASYNC_IO: case SVR4_PC_PRIO_IO: case SVR4_PC_SYNC_IO: /* Not supported */ return 0; default: /* Invalid */ return -1; } } int svr4_sys_pathconf(p, v, retval) register struct proc *p; void *v; register_t *retval; { struct svr4_sys_pathconf_args *uap = v; caddr_t sg = stackgap_init(p->p_emul); SVR4_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); SCARG(uap, name) = svr4_to_bsd_pathconf(SCARG(uap, name)); switch (SCARG(uap, name)) { case -1: *retval = -1; return EINVAL; case 0: *retval = 0; return 0; default: return sys_pathconf(p, uap, retval); } } int svr4_sys_fpathconf(p, v, retval) register struct proc *p; void *v; register_t *retval; { struct svr4_sys_fpathconf_args *uap = v; SCARG(uap, name) = svr4_to_bsd_pathconf(SCARG(uap, name)); switch (SCARG(uap, name)) { case -1: *retval = -1; return EINVAL; case 0: *retval = 0; return 0; default: return sys_fpathconf(p, uap, retval); } }