netbsd32_compat_30.c revision 1.4.8.2
1 /* $NetBSD: netbsd32_compat_30.c,v 1.4.8.2 2006/05/24 10:57:31 yamt 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 1.4.8.2 2006/05/24 10:57:31 yamt Exp $"); 33 34 #include <sys/param.h> 35 #include <sys/systm.h> 36 #include <sys/malloc.h> 37 #include <sys/mount.h> 38 #include <sys/socket.h> 39 #include <sys/socketvar.h> 40 #include <sys/stat.h> 41 #include <sys/time.h> 42 #include <sys/ktrace.h> 43 #include <sys/resourcevar.h> 44 #include <sys/vnode.h> 45 #include <sys/file.h> 46 #include <sys/filedesc.h> 47 #include <sys/namei.h> 48 #include <sys/sa.h> 49 #include <sys/statvfs.h> 50 #include <sys/syscallargs.h> 51 #include <sys/proc.h> 52 #include <sys/dirent.h> 53 #include <sys/kauth.h> 54 55 #include <compat/netbsd32/netbsd32.h> 56 #include <compat/netbsd32/netbsd32_syscallargs.h> 57 #include <compat/netbsd32/netbsd32_conv.h> 58 59 60 int 61 netbsd32_getdents(l, v, retval) 62 struct lwp *l; 63 void *v; 64 register_t *retval; 65 { 66 struct netbsd32_getdents_args /* { 67 syscallarg(int) fd; 68 syscallarg(netbsd32_charp) buf; 69 syscallarg(netbsd32_size_t) count; 70 } */ *uap = v; 71 struct file *fp; 72 int error, done; 73 char *buf; 74 struct proc *p = l->l_proc; 75 76 /* getvnode() will use the descriptor for us */ 77 if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0) 78 return (error); 79 if ((fp->f_flag & FREAD) == 0) { 80 error = EBADF; 81 goto out; 82 } 83 buf = malloc(SCARG(uap, count), M_TEMP, M_WAITOK); 84 error = vn_readdir(fp, buf, 85 UIO_SYSSPACE, SCARG(uap, count), &done, l, 0, 0); 86 if (error == 0) { 87 *retval = netbsd32_to_dirent12(buf, done); 88 error = copyout(buf, NETBSD32PTR64(SCARG(uap, buf)), *retval); 89 } 90 free(buf, M_TEMP); 91 out: 92 FILE_UNUSE(fp, l); 93 return (error); 94 } 95 96 int 97 netbsd32___stat13(l, v, retval) 98 struct lwp *l; 99 void *v; 100 register_t *retval; 101 { 102 struct netbsd32___stat13_args /* { 103 syscallarg(const netbsd32_charp) path; 104 syscallarg(netbsd32_stat13p_t) ub; 105 } */ *uap = v; 106 struct netbsd32_stat13 sb32; 107 struct stat sb; 108 int error; 109 struct nameidata nd; 110 caddr_t sg; 111 const char *path; 112 struct proc *p = l->l_proc; 113 114 path = (char *)NETBSD32PTR64(SCARG(uap, path)); 115 sg = stackgap_init(p, 0); 116 CHECK_ALT_EXIST(l, &sg, path); 117 118 NDINIT(&nd, LOOKUP, FOLLOW | LOCKLEAF, UIO_USERSPACE, path, l); 119 if ((error = namei(&nd)) != 0) 120 return (error); 121 error = vn_stat(nd.ni_vp, &sb, l); 122 vput(nd.ni_vp); 123 if (error) 124 return (error); 125 netbsd32_from___stat13(&sb, &sb32); 126 error = copyout(&sb32, (caddr_t)NETBSD32PTR64(SCARG(uap, ub)), 127 sizeof(sb32)); 128 return (error); 129 } 130 131 int 132 netbsd32___fstat13(l, v, retval) 133 struct lwp *l; 134 void *v; 135 register_t *retval; 136 { 137 struct netbsd32___fstat13_args /* { 138 syscallarg(int) fd; 139 syscallarg(netbsd32_stat13p_t) sb; 140 } */ *uap = v; 141 int fd = SCARG(uap, fd); 142 struct proc *p = l->l_proc; 143 struct filedesc *fdp = p->p_fd; 144 struct file *fp; 145 struct netbsd32_stat13 sb32; 146 struct stat ub; 147 int error = 0; 148 149 if ((fp = fd_getfile(fdp, fd)) == NULL) 150 return (EBADF); 151 152 FILE_USE(fp); 153 error = (*fp->f_ops->fo_stat)(fp, &ub, l); 154 FILE_UNUSE(fp, l); 155 156 if (error == 0) { 157 netbsd32_from___stat13(&ub, &sb32); 158 error = copyout(&sb32, (caddr_t)NETBSD32PTR64(SCARG(uap, sb)), 159 sizeof(sb32)); 160 } 161 return (error); 162 } 163 164 int 165 netbsd32___lstat13(l, v, retval) 166 struct lwp *l; 167 void *v; 168 register_t *retval; 169 { 170 struct netbsd32___lstat13_args /* { 171 syscallarg(const netbsd32_charp) path; 172 syscallarg(netbsd32_stat13p_t) ub; 173 } */ *uap = v; 174 struct netbsd32_stat13 sb32; 175 struct stat sb; 176 int error; 177 struct nameidata nd; 178 caddr_t sg; 179 const char *path; 180 struct proc *p = l->l_proc; 181 182 path = (char *)NETBSD32PTR64(SCARG(uap, path)); 183 sg = stackgap_init(p, 0); 184 CHECK_ALT_EXIST(l, &sg, path); 185 186 NDINIT(&nd, LOOKUP, NOFOLLOW | LOCKLEAF, UIO_USERSPACE, path, l); 187 if ((error = namei(&nd)) != 0) 188 return (error); 189 error = vn_stat(nd.ni_vp, &sb, l); 190 vput(nd.ni_vp); 191 if (error) 192 return (error); 193 netbsd32_from___stat13(&sb, &sb32); 194 error = copyout(&sb32, (caddr_t)NETBSD32PTR64(SCARG(uap, ub)), 195 sizeof(sb32)); 196 return (error); 197 } 198 199 int 200 compat_30_netbsd32_fhstat(l, v, retval) 201 struct lwp *l; 202 void *v; 203 register_t *retval; 204 { 205 struct compat_30_netbsd32_fhstat_args /* { 206 syscallarg(const netbsd32_fhandlep_t) fhp; 207 syscallarg(netbsd32_stat13p_t) sb); 208 } */ *uap = v; 209 struct proc *p = l->l_proc; 210 struct stat sb; 211 struct netbsd32_stat13 sb32; 212 int error; 213 fhandle_t fh; 214 struct mount *mp; 215 struct vnode *vp; 216 217 /* 218 * Must be super user 219 */ 220 if ((error = kauth_authorize_generic(p->p_cred, KAUTH_GENERIC_ISSUSER, 221 &p->p_acflag))) 222 return (error); 223 224 if ((error = copyin(NETBSD32PTR64(SCARG(uap, fhp)), &fh, 225 sizeof(fhandle_t))) != 0) 226 return (error); 227 228 if ((mp = vfs_getvfs(&fh.fh_fsid)) == NULL) 229 return (ESTALE); 230 if (mp->mnt_op->vfs_fhtovp == NULL) 231 return EOPNOTSUPP; 232 if ((error = VFS_FHTOVP(mp, &fh.fh_fid, &vp))) 233 return (error); 234 error = vn_stat(vp, &sb, l); 235 vput(vp); 236 if (error) 237 return (error); 238 netbsd32_from___stat13(&sb, &sb32); 239 error = copyout(&sb32, NETBSD32PTR64(SCARG(uap, sb)), sizeof(sb)); 240 return (error); 241 } 242
Indexes created Thu Oct 02 14:10:14 GMT 2025