netbsd32_compat_30.c revision 1.1
1 /* $NetBSD: netbsd32_compat_30.c,v 1.1 2005/08/19 02:03:57 christos 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 1.1 2005/08/19 02:03:57 christos Exp $"); 33 34 #if defined(_KERNEL_OPT) 35 #include "opt_ktrace.h" 36 #endif 37 38 #include <sys/param.h> 39 #include <sys/systm.h> 40 #include <sys/malloc.h> 41 #include <sys/mount.h> 42 #include <sys/socket.h> 43 #include <sys/socketvar.h> 44 #include <sys/stat.h> 45 #include <sys/time.h> 46 #include <sys/ktrace.h> 47 #include <sys/resourcevar.h> 48 #include <sys/vnode.h> 49 #include <sys/file.h> 50 #include <sys/filedesc.h> 51 #include <sys/namei.h> 52 #include <sys/sa.h> 53 #include <sys/statvfs.h> 54 #include <sys/syscallargs.h> 55 #include <sys/proc.h> 56 57 #include <compat/netbsd32/netbsd32.h> 58 #include <compat/netbsd32/netbsd32_syscallargs.h> 59 #include <compat/netbsd32/netbsd32_conv.h> 60 61 62 int 63 netbsd32_getdents(l, v, retval) 64 struct lwp *l; 65 void *v; 66 register_t *retval; 67 { 68 struct netbsd32_getdents_args /* { 69 syscallarg(int) fd; 70 syscallarg(netbsd32_charp) buf; 71 syscallarg(netbsd32_size_t) count; 72 } */ *uap = v; 73 struct file *fp; 74 int error, done; 75 char *buf; 76 struct proc *p = l->l_proc; 77 78 /* getvnode() will use the descriptor for us */ 79 if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0) 80 return (error); 81 if ((fp->f_flag & FREAD) == 0) { 82 error = EBADF; 83 goto out; 84 } 85 buf = malloc(SCARG(uap, count), M_TEMP, M_WAITOK); 86 error = vn_readdir(fp, obuf, 87 UIO_SYSSPACE, SCARG(uap, count), &done, p, 0, 0); 88 if (error == 0) { 89 *retval = netbsd32_to_dirent12(buf, done); 90 error = copyout(buf, NETBSD32PTR64(SCARG(uap, buf)), *retval); 91 } 92 free(buf, M_TEMP); 93 out: 94 FILE_UNUSE(fp, p); 95 return (error); 96 } 97 98 int 99 netbsd32___stat13(l, v, retval) 100 struct lwp *l; 101 void *v; 102 register_t *retval; 103 { 104 struct netbsd32___stat13_args /* { 105 syscallarg(const netbsd32_charp) path; 106 syscallarg(netbsd32_stat13p_t) ub; 107 } */ *uap = v; 108 struct netbsd32_stat30 sb32; 109 struct stat sb; 110 int error; 111 struct nameidata nd; 112 caddr_t sg; 113 const char *path; 114 struct proc *p = l->l_proc; 115 116 path = (char *)NETBSD32PTR64(SCARG(uap, path)); 117 sg = stackgap_init(p, 0); 118 CHECK_ALT_EXIST(p, &sg, path); 119 120 NDINIT(&nd, LOOKUP, FOLLOW | LOCKLEAF, UIO_USERSPACE, path, p); 121 if ((error = namei(&nd)) != 0) 122 return (error); 123 error = vn_stat(nd.ni_vp, &sb, p); 124 vput(nd.ni_vp); 125 if (error) 126 return (error); 127 netbsd32_from___stat13(&sb, &sb32); 128 error = copyout(&sb32, (caddr_t)NETBSD32PTR64(SCARG(uap, ub)), 129 sizeof(sb32)); 130 return (error); 131 } 132 133 int 134 netbsd32___fstat13(l, v, retval) 135 struct lwp *l; 136 void *v; 137 register_t *retval; 138 { 139 struct netbsd32___fstat13_args /* { 140 syscallarg(int) fd; 141 syscallarg(netbsd32_stat13p_t) sb; 142 } */ *uap = v; 143 int fd = SCARG(uap, fd); 144 struct proc *p = l->l_proc; 145 struct filedesc *fdp = p->p_fd; 146 struct file *fp; 147 struct netbsd32_stat sb32; 148 struct stat ub; 149 int error = 0; 150 151 if ((fp = fd_getfile(fdp, fd)) == NULL) 152 return (EBADF); 153 154 FILE_USE(fp); 155 error = (*fp->f_ops->fo_stat)(fp, &ub, p); 156 FILE_UNUSE(fp, p); 157 158 if (error == 0) { 159 netbsd32_from___stat13(&ub, &sb32); 160 error = copyout(&sb32, (caddr_t)NETBSD32PTR64(SCARG(uap, sb)), 161 sizeof(sb32)); 162 } 163 return (error); 164 } 165 166 int 167 netbsd32___lstat13(l, v, retval) 168 struct lwp *l; 169 void *v; 170 register_t *retval; 171 { 172 struct netbsd32___lstat13_args /* { 173 syscallarg(const netbsd32_charp) path; 174 syscallarg(netbsd32_stat13p_t) ub; 175 } */ *uap = v; 176 struct netbsd32_stat sb32; 177 struct stat sb; 178 int error; 179 struct nameidata nd; 180 caddr_t sg; 181 const char *path; 182 struct proc *p = l->l_proc; 183 184 path = (char *)NETBSD32PTR64(SCARG(uap, path)); 185 sg = stackgap_init(p, 0); 186 CHECK_ALT_EXIST(p, &sg, path); 187 188 NDINIT(&nd, LOOKUP, NOFOLLOW | LOCKLEAF, UIO_USERSPACE, path, p); 189 if ((error = namei(&nd)) != 0) 190 return (error); 191 error = vn_stat(nd.ni_vp, &sb, p); 192 vput(nd.ni_vp); 193 if (error) 194 return (error); 195 netbsd32_from___stat13(&sb, &sb32); 196 error = copyout(&sb32, (caddr_t)NETBSD32PTR64(SCARG(uap, ub)), 197 sizeof(sb32)); 198 return (error); 199 } 200
Indexes created Mon Sep 22 21:09:42 GMT 2025