ibcs2_stat.c revision 27537
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 29#include <sys/param.h> 30#include <sys/systm.h> 31#include <sys/namei.h> 32#include <sys/file.h> 33#include <sys/stat.h> 34#include <sys/filedesc.h> 35#include <sys/kernel.h> 36#include <sys/mount.h> 37#include <sys/vnode.h> 38#include <sys/sysctl.h> 39#include <sys/sysproto.h> 40 41#include <i386/ibcs2/ibcs2_signal.h> 42#include <i386/ibcs2/ibcs2_stat.h> 43#include <i386/ibcs2/ibcs2_statfs.h> 44#include <i386/ibcs2/ibcs2_proto.h> 45#include <i386/ibcs2/ibcs2_util.h> 46#include <i386/ibcs2/ibcs2_utsname.h> 47 48static void bsd_stat2ibcs_stat __P((struct stat *, struct ibcs2_stat *)); 49static int cvt_statfs __P((struct statfs *, caddr_t, int)); 50 51static void 52bsd_stat2ibcs_stat(st, st4) 53 struct stat *st; 54 struct ibcs2_stat *st4; 55{ 56 bzero(st4, sizeof(*st4)); 57 st4->st_dev = (ibcs2_dev_t)st->st_dev; 58 st4->st_ino = (ibcs2_ino_t)st->st_ino; 59 st4->st_mode = (ibcs2_mode_t)st->st_mode; 60 st4->st_nlink= (ibcs2_nlink_t)st->st_nlink; 61 st4->st_uid = (ibcs2_uid_t)st->st_uid; 62 st4->st_gid = (ibcs2_gid_t)st->st_gid; 63 st4->st_rdev = (ibcs2_dev_t)st->st_rdev; 64 if (st->st_size < (quad_t)1 << 32) 65 st4->st_size = (ibcs2_off_t)st->st_size; 66 else 67 st4->st_size = -2; 68 st4->st_atim = (ibcs2_time_t)st->st_atime; 69 st4->st_mtim = (ibcs2_time_t)st->st_mtime; 70 st4->st_ctim = (ibcs2_time_t)st->st_ctime; 71} 72 73static int 74cvt_statfs(sp, buf, len) 75 struct statfs *sp; 76 caddr_t buf; 77 int len; 78{ 79 struct ibcs2_statfs ssfs; 80 81 bzero(&ssfs, sizeof ssfs); 82 ssfs.f_fstyp = 0; 83 ssfs.f_bsize = sp->f_bsize; 84 ssfs.f_frsize = 0; 85 ssfs.f_blocks = sp->f_blocks; 86 ssfs.f_bfree = sp->f_bfree; 87 ssfs.f_files = sp->f_files; 88 ssfs.f_ffree = sp->f_ffree; 89 ssfs.f_fname[0] = 0; 90 ssfs.f_fpack[0] = 0; 91 return copyout((caddr_t)&ssfs, buf, len); 92} 93 94int 95ibcs2_statfs(p, uap, retval) 96 struct proc *p; 97 struct ibcs2_statfs_args *uap; 98 int *retval; 99{ 100 register struct mount *mp; 101 register struct statfs *sp; 102 int error; 103 struct nameidata nd; 104 caddr_t sg = stackgap_init(); 105 106 CHECKALTEXIST(p, &sg, SCARG(uap, path)); 107 NDINIT(&nd, LOOKUP, FOLLOW, UIO_USERSPACE, SCARG(uap, path), p); 108 if (error = namei(&nd)) 109 return (error); 110 mp = nd.ni_vp->v_mount; 111 sp = &mp->mnt_stat; 112 vrele(nd.ni_vp); 113 if (error = VFS_STATFS(mp, sp, p)) 114 return (error); 115 sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK; 116 return cvt_statfs(sp, (caddr_t)SCARG(uap, buf), SCARG(uap, len)); 117} 118 119int 120ibcs2_fstatfs(p, uap, retval) 121 struct proc *p; 122 struct ibcs2_fstatfs_args *uap; 123 int *retval; 124{ 125 struct file *fp; 126 struct mount *mp; 127 register struct statfs *sp; 128 int error; 129 130 if (error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) 131 return (error); 132 mp = ((struct vnode *)fp->f_data)->v_mount; 133 sp = &mp->mnt_stat; 134 if (error = VFS_STATFS(mp, sp, p)) 135 return (error); 136 sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK; 137 return cvt_statfs(sp, (caddr_t)SCARG(uap, buf), SCARG(uap, len)); 138} 139 140int 141ibcs2_stat(p, uap, retval) 142 struct proc *p; 143 struct ibcs2_stat_args *uap; 144 int *retval; 145{ 146 struct stat st; 147 struct ibcs2_stat ibcs2_st; 148 struct stat_args cup; 149 int error; 150 caddr_t sg = stackgap_init(); 151 152 CHECKALTEXIST(p, &sg, SCARG(uap, path)); 153 SCARG(&cup, path) = SCARG(uap, path); 154 SCARG(&cup, ub) = stackgap_alloc(&sg, sizeof(st)); 155 156 if (error = stat(p, &cup, retval)) 157 return error; 158 159 if (error = copyin(SCARG(&cup, ub), &st, sizeof(st))) 160 return error; 161 bsd_stat2ibcs_stat(&st, &ibcs2_st); 162 return copyout((caddr_t)&ibcs2_st, (caddr_t)SCARG(uap, st), 163 ibcs2_stat_len); 164} 165 166int 167ibcs2_lstat(p, uap, retval) 168 struct proc *p; 169 struct ibcs2_lstat_args *uap; 170 int *retval; 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, retval)) 183 return error; 184 185 if (error = copyin(SCARG(&cup, ub), &st, sizeof(st))) 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, retval) 194 struct proc *p; 195 struct ibcs2_fstat_args *uap; 196 int *retval; 197{ 198 struct stat st; 199 struct ibcs2_stat ibcs2_st; 200 struct fstat_args cup; 201 int error; 202 caddr_t sg = stackgap_init(); 203 204 SCARG(&cup, fd) = SCARG(uap, fd); 205 SCARG(&cup, sb) = stackgap_alloc(&sg, sizeof(st)); 206 207 if (error = fstat(p, &cup, retval)) 208 return error; 209 210 if (error = copyin(SCARG(&cup, sb), &st, sizeof(st))) 211 return error; 212 bsd_stat2ibcs_stat(&st, &ibcs2_st); 213 return copyout((caddr_t)&ibcs2_st, (caddr_t)SCARG(uap, st), 214 ibcs2_stat_len); 215} 216 217int 218ibcs2_utssys(p, uap, retval) 219 struct proc *p; 220 struct ibcs2_utssys_args *uap; 221 int *retval; 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, IBCS2_UNAME_SYSNAME, sizeof(sut.sysname)); 231 strncpy(sut.release, IBCS2_UNAME_RELEASE, sizeof(sut.release)); 232 strncpy(sut.version, IBCS2_UNAME_VERSION, sizeof(sut.version)); 233 strncpy(machine_name, hostname, sizeof(machine_name)); 234 p = index(machine_name, '.'); 235 if ( p ) 236 *p = '\0'; 237 strncpy(sut.nodename, machine_name, sizeof(sut.nodename)); 238 strncpy(sut.machine, machine, sizeof(sut.machine)); 239 sut.sysname[sizeof(sut.sysname)-1] = '\0'; 240 sut.release[sizeof(sut.release)-1] = '\0'; 241 sut.version[sizeof(sut.version)-1] = '\0'; 242 sut.nodename[sizeof(sut.nodename)-1] = '\0'; 243 sut.machine[sizeof(sut.machine)-1] = '\0'; 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)SCARG(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