ibcs2_stat.c revision 89306
1/* 2 * Copyright (c) 1995 Scott Bartram 3 * Copyright (c) 1995 Steven Wallace 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * $FreeBSD: head/sys/i386/ibcs2/ibcs2_stat.c 89306 2002-01-13 11:58:06Z alfred $ 29 */ 30 31#include <sys/param.h> 32#include <sys/systm.h> 33#include <sys/namei.h> 34#include <sys/file.h> 35#include <sys/stat.h> 36#include <sys/filedesc.h> 37#include <sys/kernel.h> 38#include <sys/mount.h> 39#include <sys/vnode.h> 40#include <sys/sysctl.h> 41#include <sys/sysproto.h> 42 43#include <i386/ibcs2/ibcs2_signal.h> 44#include <i386/ibcs2/ibcs2_stat.h> 45#include <i386/ibcs2/ibcs2_statfs.h> 46#include <i386/ibcs2/ibcs2_proto.h> 47#include <i386/ibcs2/ibcs2_util.h> 48#include <i386/ibcs2/ibcs2_utsname.h> 49 50 51static void bsd_stat2ibcs_stat __P((struct stat *, struct ibcs2_stat *)); 52static int cvt_statfs __P((struct statfs *, caddr_t, int)); 53 54static void 55bsd_stat2ibcs_stat(st, st4) 56 struct stat *st; 57 struct ibcs2_stat *st4; 58{ 59 bzero(st4, sizeof(*st4)); 60 st4->st_dev = (ibcs2_dev_t)st->st_dev; 61 st4->st_ino = (ibcs2_ino_t)st->st_ino; 62 st4->st_mode = (ibcs2_mode_t)st->st_mode; 63 st4->st_nlink= (ibcs2_nlink_t)st->st_nlink; 64 st4->st_uid = (ibcs2_uid_t)st->st_uid; 65 st4->st_gid = (ibcs2_gid_t)st->st_gid; 66 st4->st_rdev = (ibcs2_dev_t)st->st_rdev; 67 if (st->st_size < (quad_t)1 << 32) 68 st4->st_size = (ibcs2_off_t)st->st_size; 69 else 70 st4->st_size = -2; 71 st4->st_atim = (ibcs2_time_t)st->st_atime; 72 st4->st_mtim = (ibcs2_time_t)st->st_mtime; 73 st4->st_ctim = (ibcs2_time_t)st->st_ctime; 74} 75 76static int 77cvt_statfs(sp, buf, len) 78 struct statfs *sp; 79 caddr_t buf; 80 int len; 81{ 82 struct ibcs2_statfs ssfs; 83 84 bzero(&ssfs, sizeof ssfs); 85 ssfs.f_fstyp = 0; 86 ssfs.f_bsize = sp->f_bsize; 87 ssfs.f_frsize = 0; 88 ssfs.f_blocks = sp->f_blocks; 89 ssfs.f_bfree = sp->f_bfree; 90 ssfs.f_files = sp->f_files; 91 ssfs.f_ffree = sp->f_ffree; 92 ssfs.f_fname[0] = 0; 93 ssfs.f_fpack[0] = 0; 94 return copyout((caddr_t)&ssfs, buf, len); 95} 96 97int 98ibcs2_statfs(td, uap) 99 struct thread *td; 100 struct ibcs2_statfs_args *uap; 101{ 102 register struct mount *mp; 103 register struct statfs *sp; 104 int error; 105 struct nameidata nd; 106 caddr_t sg = stackgap_init(); 107 108 CHECKALTEXIST(td, &sg, SCARG(uap, path)); 109 NDINIT(&nd, LOOKUP, FOLLOW, UIO_USERSPACE, SCARG(uap, path), td); 110 if ((error = namei(&nd)) != 0) 111 return (error); 112 NDFREE(&nd, NDF_ONLY_PNBUF); 113 mp = nd.ni_vp->v_mount; 114 sp = &mp->mnt_stat; 115 vrele(nd.ni_vp); 116 if ((error = VFS_STATFS(mp, sp, td)) != 0) 117 return (error); 118 sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK; 119 return cvt_statfs(sp, (caddr_t)SCARG(uap, buf), SCARG(uap, len)); 120} 121 122int 123ibcs2_fstatfs(td, uap) 124 struct thread *td; 125 struct ibcs2_fstatfs_args *uap; 126{ 127 struct file *fp; 128 struct mount *mp; 129 register struct statfs *sp; 130 int error; 131 132 if ((error = getvnode(td->td_proc->p_fd, SCARG(uap, fd), &fp)) != 0) 133 return (error); 134 mp = ((struct vnode *)fp->f_data)->v_mount; 135 sp = &mp->mnt_stat; 136 error = VFS_STATFS(mp, sp, td); 137 fdrop(fp, td); 138 if (error != 0) 139 return (error); 140 sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK; 141 return cvt_statfs(sp, (caddr_t)SCARG(uap, buf), SCARG(uap, len)); 142} 143 144int 145ibcs2_stat(td, uap) 146 struct thread *td; 147 struct ibcs2_stat_args *uap; 148{ 149 struct stat st; 150 struct ibcs2_stat ibcs2_st; 151 struct stat_args cup; 152 int error; 153 caddr_t sg = stackgap_init(); 154 155 CHECKALTEXIST(td, &sg, SCARG(uap, path)); 156 SCARG(&cup, path) = SCARG(uap, path); 157 SCARG(&cup, ub) = stackgap_alloc(&sg, sizeof(st)); 158 159 if ((error = stat(td, &cup)) != 0) 160 return error; 161 162 if ((error = copyin(SCARG(&cup, ub), &st, sizeof(st))) != 0) 163 return error; 164 bsd_stat2ibcs_stat(&st, &ibcs2_st); 165 return copyout((caddr_t)&ibcs2_st, (caddr_t)SCARG(uap, st), 166 ibcs2_stat_len); 167} 168 169int 170ibcs2_lstat(td, uap) 171 struct thread *td; 172 struct ibcs2_lstat_args *uap; 173{ 174 struct stat st; 175 struct ibcs2_stat ibcs2_st; 176 struct lstat_args cup; 177 int error; 178 caddr_t sg = stackgap_init(); 179 180 CHECKALTEXIST(td, &sg, SCARG(uap, path)); 181 SCARG(&cup, path) = SCARG(uap, path); 182 SCARG(&cup, ub) = stackgap_alloc(&sg, sizeof(st)); 183 184 if ((error = lstat(td, &cup)) != 0) 185 return error; 186 187 if ((error = copyin(SCARG(&cup, ub), &st, sizeof(st))) != 0) 188 return error; 189 bsd_stat2ibcs_stat(&st, &ibcs2_st); 190 return copyout((caddr_t)&ibcs2_st, (caddr_t)SCARG(uap, st), 191 ibcs2_stat_len); 192} 193 194int 195ibcs2_fstat(td, uap) 196 struct thread *td; 197 struct ibcs2_fstat_args *uap; 198{ 199 struct stat st; 200 struct ibcs2_stat ibcs2_st; 201 struct fstat_args cup; 202 int error; 203 caddr_t sg = stackgap_init(); 204 205 SCARG(&cup, fd) = SCARG(uap, fd); 206 SCARG(&cup, sb) = stackgap_alloc(&sg, sizeof(st)); 207 208 if ((error = fstat(td, &cup)) != 0) 209 return error; 210 211 if ((error = copyin(SCARG(&cup, sb), &st, sizeof(st))) != 0) 212 return error; 213 bsd_stat2ibcs_stat(&st, &ibcs2_st); 214 return copyout((caddr_t)&ibcs2_st, (caddr_t)SCARG(uap, st), 215 ibcs2_stat_len); 216} 217 218int 219ibcs2_utssys(td, uap) 220 struct thread *td; 221 struct ibcs2_utssys_args *uap; 222{ 223 switch (SCARG(uap, flag)) { 224 case 0: /* uname(2) */ 225 { 226 char machine_name[9], *p; 227 struct ibcs2_utsname sut; 228 bzero(&sut, ibcs2_utsname_len); 229 230 strncpy(sut.sysname, 231 IBCS2_UNAME_SYSNAME, sizeof(sut.sysname) - 1); 232 strncpy(sut.release, 233 IBCS2_UNAME_RELEASE, sizeof(sut.release) - 1); 234 strncpy(sut.version, 235 IBCS2_UNAME_VERSION, sizeof(sut.version) - 1); 236 strncpy(machine_name, hostname, sizeof(machine_name) - 1); 237 machine_name[sizeof(machine_name) - 1] = 0; 238 p = index(machine_name, '.'); 239 if ( p ) 240 *p = '\0'; 241 strncpy(sut.nodename, machine_name, sizeof(sut.nodename) - 1); 242 strncpy(sut.machine, machine, sizeof(sut.machine) - 1); 243 244 DPRINTF(("IBCS2 uname: sys=%s rel=%s ver=%s node=%s mach=%s\n", 245 sut.sysname, sut.release, sut.version, sut.nodename, 246 sut.machine)); 247 return copyout((caddr_t)&sut, (caddr_t)SCARG(uap, a1), 248 ibcs2_utsname_len); 249 } 250 251 case 2: /* ustat(2) */ 252 { 253 return ENOSYS; /* XXX - TODO */ 254 } 255 256 default: 257 return ENOSYS; 258 } 259} 260