ibcs2_stat.c revision 59794
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 59794 2000-04-30 18:52:11Z phk $ 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(p, uap) 99 struct proc *p; 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(p, &sg, SCARG(uap, path)); 109 NDINIT(&nd, LOOKUP, FOLLOW, UIO_USERSPACE, SCARG(uap, path), p); 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, p)) != 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(p, uap) 124 struct proc *p; 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(p->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 if ((error = VFS_STATFS(mp, sp, p)) != 0) 137 return (error); 138 sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK; 139 return cvt_statfs(sp, (caddr_t)SCARG(uap, buf), SCARG(uap, len)); 140} 141 142int 143ibcs2_stat(p, uap) 144 struct proc *p; 145 struct ibcs2_stat_args *uap; 146{ 147 struct stat st; 148 struct ibcs2_stat ibcs2_st; 149 struct stat_args cup; 150 int error; 151 caddr_t sg = stackgap_init(); 152 153 CHECKALTEXIST(p, &sg, SCARG(uap, path)); 154 SCARG(&cup, path) = SCARG(uap, path); 155 SCARG(&cup, ub) = stackgap_alloc(&sg, sizeof(st)); 156 157 if ((error = stat(p, &cup)) != 0) 158 return error; 159 160 if ((error = copyin(SCARG(&cup, ub), &st, sizeof(st))) != 0) 161 return error; 162 bsd_stat2ibcs_stat(&st, &ibcs2_st); 163 return copyout((caddr_t)&ibcs2_st, (caddr_t)SCARG(uap, st), 164 ibcs2_stat_len); 165} 166 167int 168ibcs2_lstat(p, uap) 169 struct proc *p; 170 struct ibcs2_lstat_args *uap; 171{ 172 struct stat st; 173 struct ibcs2_stat ibcs2_st; 174 struct lstat_args cup; 175 int error; 176 caddr_t sg = stackgap_init(); 177 178 CHECKALTEXIST(p, &sg, SCARG(uap, path)); 179 SCARG(&cup, path) = SCARG(uap, path); 180 SCARG(&cup, ub) = stackgap_alloc(&sg, sizeof(st)); 181 182 if ((error = lstat(p, &cup)) != 0) 183 return error; 184 185 if ((error = copyin(SCARG(&cup, ub), &st, sizeof(st))) != 0) 186 return error; 187 bsd_stat2ibcs_stat(&st, &ibcs2_st); 188 return copyout((caddr_t)&ibcs2_st, (caddr_t)SCARG(uap, st), 189 ibcs2_stat_len); 190} 191 192int 193ibcs2_fstat(p, uap) 194 struct proc *p; 195 struct ibcs2_fstat_args *uap; 196{ 197 struct stat st; 198 struct ibcs2_stat ibcs2_st; 199 struct fstat_args cup; 200 int error; 201 caddr_t sg = stackgap_init(); 202 203 SCARG(&cup, fd) = SCARG(uap, fd); 204 SCARG(&cup, sb) = stackgap_alloc(&sg, sizeof(st)); 205 206 if ((error = fstat(p, &cup)) != 0) 207 return error; 208 209 if ((error = copyin(SCARG(&cup, sb), &st, sizeof(st))) != 0) 210 return error; 211 bsd_stat2ibcs_stat(&st, &ibcs2_st); 212 return copyout((caddr_t)&ibcs2_st, (caddr_t)SCARG(uap, st), 213 ibcs2_stat_len); 214} 215 216int 217ibcs2_utssys(p, uap) 218 struct proc *p; 219 struct ibcs2_utssys_args *uap; 220{ 221 switch (SCARG(uap, flag)) { 222 case 0: /* uname(2) */ 223 { 224 char machine_name[9], *p; 225 struct ibcs2_utsname sut; 226 bzero(&sut, ibcs2_utsname_len); 227 228 strncpy(sut.sysname, 229 IBCS2_UNAME_SYSNAME, sizeof(sut.sysname) - 1); 230 strncpy(sut.release, 231 IBCS2_UNAME_RELEASE, sizeof(sut.release) - 1); 232 strncpy(sut.version, 233 IBCS2_UNAME_VERSION, sizeof(sut.version) - 1); 234 strncpy(machine_name, hostname, sizeof(machine_name) - 1); 235 machine_name[sizeof(machine_name) - 1] = 0; 236 p = index(machine_name, '.'); 237 if ( p ) 238 *p = '\0'; 239 strncpy(sut.nodename, machine_name, sizeof(sut.nodename) - 1); 240 strncpy(sut.machine, machine, sizeof(sut.machine) - 1); 241 242 DPRINTF(("IBCS2 uname: sys=%s rel=%s ver=%s node=%s mach=%s\n", 243 sut.sysname, sut.release, sut.version, sut.nodename, 244 sut.machine)); 245 return copyout((caddr_t)&sut, (caddr_t)SCARG(uap, a1), 246 ibcs2_utsname_len); 247 } 248 249 case 2: /* ustat(2) */ 250 { 251 return ENOSYS; /* XXX - TODO */ 252 } 253 254 default: 255 return ENOSYS; 256 } 257} 258