netbsd32_compat_30.c revision 1.24.6.1
1 /* $NetBSD: netbsd32_compat_30.c,v 1.24.6.1 2008/05/10 23:48:57 wrstuden Exp $ */ 2 3 /* 4 * Copyright (c) 1998, 2001 Matthew R. Green 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 23 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 25 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 */ 30 31 #include <sys/cdefs.h> 32 __KERNEL_RCSID(0, "$NetBSD: netbsd32_compat_30.c,v 1.24.6.1 2008/05/10 23:48:57 wrstuden Exp $"); 33 34 #include "opt_nfsserver.h" 35 36 #include <sys/param.h> 37 #include <sys/systm.h> 38 #include <sys/malloc.h> 39 #include <sys/mount.h> 40 #include <sys/socket.h> 41 #include <sys/socketvar.h> 42 #include <sys/stat.h> 43 #include <sys/time.h> 44 #include <sys/ktrace.h> 45 #include <sys/resourcevar.h> 46 #include <sys/vnode.h> 47 #include <sys/file.h> 48 #include <sys/filedesc.h> 49 #include <sys/namei.h> 50 #include <sys/statvfs.h> 51 #include <sys/sa.h> 52 #include <sys/syscallargs.h> 53 #include <sys/proc.h> 54 #include <sys/dirent.h> 55 #include <sys/kauth.h> 56 #include <sys/vfs_syscalls.h> 57 58 #include <compat/netbsd32/netbsd32.h> 59 #include <compat/netbsd32/netbsd32_syscallargs.h> 60 #include <compat/netbsd32/netbsd32_conv.h> 61 #include <compat/sys/mount.h> 62 63 64 int 65 compat_30_netbsd32_getdents(struct lwp *l, const struct compat_30_netbsd32_getdents_args *uap, register_t *retval) 66 { 67 /* { 68 syscallarg(int) fd; 69 syscallarg(netbsd32_charp) buf; 70 syscallarg(netbsd32_size_t) count; 71 } */ 72 file_t *fp; 73 int error, done; 74 char *buf; 75 netbsd32_size_t count; 76 77 /* Limit the size on any kernel buffers used by VOP_READDIR */ 78 count = min(MAXBSIZE, SCARG(uap, count)); 79 80 /* getvnode() will use the descriptor for us */ 81 if ((error = fd_getvnode(SCARG(uap, fd), &fp)) != 0) 82 return (error); 83 if ((fp->f_flag & FREAD) == 0) { 84 error = EBADF; 85 goto out; 86 } 87 buf = malloc(count, M_TEMP, M_WAITOK); 88 error = vn_readdir(fp, buf, UIO_SYSSPACE, count, &done, l, 0, 0); 89 if (error == 0) { 90 *retval = netbsd32_to_dirent12(buf, done); 91 error = copyout(buf, SCARG_P32(uap, buf), *retval); 92 } 93 free(buf, M_TEMP); 94 out: 95 fd_putfile(SCARG(uap, fd)); 96 return (error); 97 } 98 99 int 100 compat_30_netbsd32___stat13(struct lwp *l, const struct compat_30_netbsd32___stat13_args *uap, register_t *retval) 101 { 102 /* { 103 syscallarg(const netbsd32_charp) path; 104 syscallarg(netbsd32_stat13p_t) ub; 105 } */ 106 struct netbsd32_stat13 sb32; 107 struct stat sb; 108 int error; 109 const char *path; 110 111 path = SCARG_P32(uap, path); 112 113 error = do_sys_stat(path, FOLLOW, &sb); 114 if (error) 115 return (error); 116 netbsd32_from___stat13(&sb, &sb32); 117 error = copyout(&sb32, SCARG_P32(uap, ub), sizeof(sb32)); 118 return (error); 119 } 120 121 int 122 compat_30_netbsd32___fstat13(struct lwp *l, const struct compat_30_netbsd32___fstat13_args *uap, register_t *retval) 123 { 124 /* { 125 syscallarg(int) fd; 126 syscallarg(netbsd32_stat13p_t) sb; 127 } */ 128 int fd = SCARG(uap, fd); 129 file_t *fp; 130 struct netbsd32_stat13 sb32; 131 struct stat ub; 132 int error = 0; 133 134 if ((fp = fd_getfile(fd)) == NULL) 135 return (EBADF); 136 error = (*fp->f_ops->fo_stat)(fp, &ub); 137 fd_putfile(fd); 138 139 if (error == 0) { 140 netbsd32_from___stat13(&ub, &sb32); 141 error = copyout(&sb32, SCARG_P32(uap, sb), sizeof(sb32)); 142 } 143 return (error); 144 } 145 146 int 147 compat_30_netbsd32___lstat13(struct lwp *l, const struct compat_30_netbsd32___lstat13_args *uap, register_t *retval) 148 { 149 /* { 150 syscallarg(const netbsd32_charp) path; 151 syscallarg(netbsd32_stat13p_t) ub; 152 } */ 153 struct netbsd32_stat13 sb32; 154 struct stat sb; 155 int error; 156 const char *path; 157 158 path = SCARG_P32(uap, path); 159 160 error = do_sys_stat(path, NOFOLLOW, &sb); 161 if (error) 162 return (error); 163 netbsd32_from___stat13(&sb, &sb32); 164 error = copyout(&sb32, SCARG_P32(uap, ub), sizeof(sb32)); 165 return (error); 166 } 167 168 int 169 compat_30_netbsd32_fhstat(struct lwp *l, const struct compat_30_netbsd32_fhstat_args *uap, register_t *retval) 170 { 171 /* { 172 syscallarg(const netbsd32_fhandlep_t) fhp; 173 syscallarg(netbsd32_stat13p_t) sb; 174 } */ 175 struct stat sb; 176 struct netbsd32_stat13 sb32; 177 int error; 178 struct compat_30_fhandle fh; 179 struct mount *mp; 180 struct vnode *vp; 181 182 /* 183 * Must be super user 184 */ 185 if ((error = kauth_authorize_system(l->l_cred, 186 KAUTH_SYSTEM_FILEHANDLE, 0, NULL, NULL, NULL))) 187 return (error); 188 189 if ((error = copyin(SCARG_P32(uap, fhp), &fh, sizeof(fh))) != 0) 190 return (error); 191 192 if ((mp = vfs_getvfs(&fh.fh_fsid)) == NULL) 193 return (ESTALE); 194 if (mp->mnt_op->vfs_fhtovp == NULL) 195 return EOPNOTSUPP; 196 if ((error = VFS_FHTOVP(mp, (struct fid*)&fh.fh_fid, &vp))) 197 return (error); 198 error = vn_stat(vp, &sb); 199 vput(vp); 200 if (error) 201 return (error); 202 netbsd32_from___stat13(&sb, &sb32); 203 error = copyout(&sb32, SCARG_P32(uap, sb), sizeof(sb)); 204 return (error); 205 } 206 207 int 208 compat_30_netbsd32_fhstatvfs1(struct lwp *l, const struct compat_30_netbsd32_fhstatvfs1_args *uap, register_t *retval) 209 { 210 /* { 211 syscallarg(const netbsd32_fhandlep_t) fhp; 212 syscallarg(netbsd32_statvfsp_t) buf; 213 syscallarg(int) flags; 214 } */ 215 struct statvfs *sbuf; 216 struct netbsd32_statvfs *s32; 217 int error; 218 219 sbuf = STATVFSBUF_GET(); 220 error = do_fhstatvfs(l, SCARG_P32(uap, fhp), FHANDLE_SIZE_COMPAT, sbuf, 221 SCARG(uap, flags)); 222 223 if (error != 0) { 224 s32 = malloc(sizeof *s32, M_TEMP, M_WAITOK); 225 netbsd32_from_statvfs(sbuf, s32); 226 error = copyout(s32, SCARG_P32(uap, buf), sizeof *s32); 227 free(s32, M_TEMP); 228 } 229 STATVFSBUF_PUT(sbuf); 230 231 return (error); 232 } 233 234 int 235 compat_30_netbsd32_socket(struct lwp *l, const struct compat_30_netbsd32_socket_args *uap, register_t *retval) 236 { 237 /* { 238 syscallarg(int) domain; 239 syscallarg(int) type; 240 syscallarg(int) protocol; 241 } */ 242 struct compat_30_sys_socket_args ua; 243 244 NETBSD32TO64_UAP(domain); 245 NETBSD32TO64_UAP(type); 246 NETBSD32TO64_UAP(protocol); 247 return (compat_30_sys_socket(l, &ua, retval)); 248 } 249 250 int 251 compat_30_netbsd32_getfh(struct lwp *l, const struct compat_30_netbsd32_getfh_args *uap, register_t *retval) 252 { 253 /* { 254 syscallarg(const netbsd32_charp) fname; 255 syscallarg(netbsd32_compat_30_fhandlep_t) fhp; 256 } */ 257 struct compat_30_sys_getfh_args ua; 258 259 NETBSD32TOP_UAP(fname, const char); 260 NETBSD32TOP_UAP(fhp, struct compat_30_fhandle); 261 /* Lucky for us a fhandle_t doesn't change sizes */ 262 return (compat_30_sys_getfh(l, &ua, retval)); 263 } 264 265 266 int 267 compat_30_netbsd32_sys___fhstat30(struct lwp *l, const struct compat_30_netbsd32_sys___fhstat30_args *uap, register_t *retval) 268 { 269 /* { 270 syscallarg(const netbsd32_fhandlep_t) fhp; 271 syscallarg(netbsd32_statp_t) sb; 272 } */ 273 struct stat sb; 274 struct netbsd32_stat sb32; 275 int error; 276 277 error = do_fhstat(l, SCARG_P32(uap, fhp), FHANDLE_SIZE_COMPAT, &sb); 278 if (error) 279 return error; 280 281 netbsd32_from___stat30(&sb, &sb32); 282 error = copyout(&sb32, SCARG_P32(uap, sb), sizeof(sb32)); 283 return error; 284 } 285 286 /* 287 * Open a file given a file handle. 288 * 289 * Check permissions, allocate an open file structure, 290 * and call the device open routine if any. 291 */ 292 int 293 compat_30_netbsd32_fhopen(struct lwp *l, const struct compat_30_netbsd32_fhopen_args *uap, register_t *retval) 294 { 295 /* { 296 syscallarg(const fhandle_t *) fhp; 297 syscallarg(int) flags; 298 } */ 299 struct compat_30_sys_fhopen_args ua; 300 301 NETBSD32TOP_UAP(fhp, struct compat_30_fhandle); 302 NETBSD32TO64_UAP(flags); 303 return (compat_30_sys_fhopen(l, &ua, retval)); 304 } 305
Indexes created Thu Oct 02 14:10:14 GMT 2025