ibcs2_stat.c revision 109123
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 109123 2003-01-12 01:37:13Z dillon $ 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/jail.h> 38#include <sys/kernel.h> 39#include <sys/mount.h> 40#include <sys/vnode.h> 41#include <sys/sysctl.h> 42#include <sys/sysproto.h> 43 44#include <i386/ibcs2/ibcs2_signal.h> 45#include <i386/ibcs2/ibcs2_stat.h> 46#include <i386/ibcs2/ibcs2_statfs.h> 47#include <i386/ibcs2/ibcs2_proto.h> 48#include <i386/ibcs2/ibcs2_util.h> 49#include <i386/ibcs2/ibcs2_utsname.h> 50 51 52static void bsd_stat2ibcs_stat(struct stat *, struct ibcs2_stat *); 53static int cvt_statfs(struct statfs *, caddr_t, int); 54 55static void 56bsd_stat2ibcs_stat(st, st4) 57 struct stat *st; 58 struct ibcs2_stat *st4; 59{ 60 bzero(st4, sizeof(*st4)); 61 st4->st_dev = (ibcs2_dev_t)st->st_dev; 62 st4->st_ino = (ibcs2_ino_t)st->st_ino; 63 st4->st_mode = (ibcs2_mode_t)st->st_mode; 64 st4->st_nlink= (ibcs2_nlink_t)st->st_nlink; 65 st4->st_uid = (ibcs2_uid_t)st->st_uid; 66 st4->st_gid = (ibcs2_gid_t)st->st_gid; 67 st4->st_rdev = (ibcs2_dev_t)st->st_rdev; 68 if (st->st_size < (quad_t)1 << 32) 69 st4->st_size = (ibcs2_off_t)st->st_size; 70 else 71 st4->st_size = -2; 72 st4->st_atim = (ibcs2_time_t)st->st_atime; 73 st4->st_mtim = (ibcs2_time_t)st->st_mtime; 74 st4->st_ctim = (ibcs2_time_t)st->st_ctime; 75} 76 77static int 78cvt_statfs(sp, buf, len) 79 struct statfs *sp; 80 caddr_t buf; 81 int len; 82{ 83 struct ibcs2_statfs ssfs; 84 85 bzero(&ssfs, sizeof ssfs); 86 ssfs.f_fstyp = 0; 87 ssfs.f_bsize = sp->f_bsize; 88 ssfs.f_frsize = 0; 89 ssfs.f_blocks = sp->f_blocks; 90 ssfs.f_bfree = sp->f_bfree; 91 ssfs.f_files = sp->f_files; 92 ssfs.f_ffree = sp->f_ffree; 93 ssfs.f_fname[0] = 0; 94 ssfs.f_fpack[0] = 0; 95 return copyout((caddr_t)&ssfs, buf, len); 96} 97 98int 99ibcs2_statfs(td, uap) 100 struct thread *td; 101 struct ibcs2_statfs_args *uap; 102{ 103 register struct mount *mp; 104 register struct statfs *sp; 105 int error; 106 struct nameidata nd; 107 caddr_t sg = stackgap_init(); 108 109 CHECKALTEXIST(td, &sg, uap->path); 110 NDINIT(&nd, LOOKUP, FOLLOW, UIO_USERSPACE, uap->path, td); 111 if ((error = namei(&nd)) != 0) 112 return (error); 113 NDFREE(&nd, NDF_ONLY_PNBUF); 114 mp = nd.ni_vp->v_mount; 115 sp = &mp->mnt_stat; 116 vrele(nd.ni_vp); 117 if ((error = VFS_STATFS(mp, sp, td)) != 0) 118 return (error); 119 sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK; 120 return cvt_statfs(sp, (caddr_t)uap->buf, uap->len); 121} 122 123int 124ibcs2_fstatfs(td, uap) 125 struct thread *td; 126 struct ibcs2_fstatfs_args *uap; 127{ 128 struct file *fp; 129 struct mount *mp; 130 register struct statfs *sp; 131 int error; 132 133 if ((error = getvnode(td->td_proc->p_fd, uap->fd, &fp)) != 0) 134 return (error); 135 mp = fp->un_data.vnode->v_mount; 136 sp = &mp->mnt_stat; 137 error = VFS_STATFS(mp, sp, td); 138 fdrop(fp, td); 139 if (error != 0) 140 return (error); 141 sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK; 142 return cvt_statfs(sp, (caddr_t)uap->buf, uap->len); 143} 144 145int 146ibcs2_stat(td, uap) 147 struct thread *td; 148 struct ibcs2_stat_args *uap; 149{ 150 struct stat st; 151 struct ibcs2_stat ibcs2_st; 152 struct stat_args cup; 153 int error; 154 caddr_t sg = stackgap_init(); 155 156 CHECKALTEXIST(td, &sg, uap->path); 157 cup.path = uap->path; 158 cup.ub = stackgap_alloc(&sg, sizeof(st)); 159 160 if ((error = stat(td, &cup)) != 0) 161 return error; 162 163 if ((error = copyin(cup.ub, &st, sizeof(st))) != 0) 164 return error; 165 bsd_stat2ibcs_stat(&st, &ibcs2_st); 166 return copyout((caddr_t)&ibcs2_st, (caddr_t)uap->st, 167 ibcs2_stat_len); 168} 169 170int 171ibcs2_lstat(td, uap) 172 struct thread *td; 173 struct ibcs2_lstat_args *uap; 174{ 175 struct stat st; 176 struct ibcs2_stat ibcs2_st; 177 struct lstat_args cup; 178 int error; 179 caddr_t sg = stackgap_init(); 180 181 CHECKALTEXIST(td, &sg, uap->path); 182 cup.path = uap->path; 183 cup.ub = stackgap_alloc(&sg, sizeof(st)); 184 185 if ((error = lstat(td, &cup)) != 0) 186 return error; 187 188 if ((error = copyin(cup.ub, &st, sizeof(st))) != 0) 189 return error; 190 bsd_stat2ibcs_stat(&st, &ibcs2_st); 191 return copyout((caddr_t)&ibcs2_st, (caddr_t)uap->st, 192 ibcs2_stat_len); 193} 194 195int 196ibcs2_fstat(td, uap) 197 struct thread *td; 198 struct ibcs2_fstat_args *uap; 199{ 200 struct stat st; 201 struct ibcs2_stat ibcs2_st; 202 struct fstat_args cup; 203 int error; 204 caddr_t sg = stackgap_init(); 205 206 cup.fd = uap->fd; 207 cup.sb = stackgap_alloc(&sg, sizeof(st)); 208 209 if ((error = fstat(td, &cup)) != 0) 210 return error; 211 212 if ((error = copyin(cup.sb, &st, sizeof(st))) != 0) 213 return error; 214 bsd_stat2ibcs_stat(&st, &ibcs2_st); 215 return copyout((caddr_t)&ibcs2_st, (caddr_t)uap->st, 216 ibcs2_stat_len); 217} 218 219int 220ibcs2_utssys(td, uap) 221 struct thread *td; 222 struct ibcs2_utssys_args *uap; 223{ 224 switch (uap->flag) { 225 case 0: /* uname(2) */ 226 { 227 char machine_name[9], *p; 228 struct ibcs2_utsname sut; 229 bzero(&sut, ibcs2_utsname_len); 230 231 strncpy(sut.sysname, 232 IBCS2_UNAME_SYSNAME, sizeof(sut.sysname) - 1); 233 strncpy(sut.release, 234 IBCS2_UNAME_RELEASE, sizeof(sut.release) - 1); 235 strncpy(sut.version, 236 IBCS2_UNAME_VERSION, sizeof(sut.version) - 1); 237 getcredhostname(td->td_ucred, machine_name, 238 sizeof(machine_name) - 1); 239 p = index(machine_name, '.'); 240 if ( p ) 241 *p = '\0'; 242 strncpy(sut.nodename, machine_name, sizeof(sut.nodename) - 1); 243 strncpy(sut.machine, machine, sizeof(sut.machine) - 1); 244 245 DPRINTF(("IBCS2 uname: sys=%s rel=%s ver=%s node=%s mach=%s\n", 246 sut.sysname, sut.release, sut.version, sut.nodename, 247 sut.machine)); 248 return copyout((caddr_t)&sut, (caddr_t)uap->a1, 249 ibcs2_utsname_len); 250 } 251 252 case 2: /* ustat(2) */ 253 { 254 return ENOSYS; /* XXX - TODO */ 255 } 256 257 default: 258 return ENOSYS; 259 } 260} 261