1 /* $NetBSD: netbsd32_nfssvc.c,v 1.9 2021/12/11 19:24:21 mrg Exp $ */ 2 3 /* 4 * Copyright (c) 2015 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 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __KERNEL_RCSID(0, "$NetBSD: netbsd32_nfssvc.c,v 1.9 2021/12/11 19:24:21 mrg Exp $"); 31 32 #if defined(_KERNEL_OPT) 33 #include "opt_nfs.h" 34 #include "opt_nfsserver.h" 35 #include "opt_compat_netbsd.h" 36 #endif 37 38 #include <sys/param.h> 39 #include <sys/vnode.h> 40 #include <sys/filedesc.h> 41 #include <sys/module.h> 42 #include <sys/syscallvar.h> 43 44 #include <compat/netbsd32/netbsd32.h> 45 #include <compat/netbsd32/netbsd32_syscall.h> 46 #include <compat/netbsd32/netbsd32_syscallargs.h> 47 #include <compat/netbsd32/netbsd32_conv.h> 48 49 #include <nfs/rpcv2.h> 50 #include <nfs/nfsproto.h> 51 #include <nfs/nfs.h> 52 #include <nfs/nfs_var.h> 53 54 static int nfssvc32_addsock_in(struct nfsd_args *, const void *); 55 static int nfssvc32_setexports_in(struct mountd_exports_list *, const void *); 56 static int nfssvc32_nsd_in(struct nfsd_srvargs *, const void *); 57 static int nfssvc32_nsd_out(void *, const struct nfsd_srvargs *); 58 static int nfssvc32_exp_in(struct export_args *, const void *, size_t); 59 60 static int 61 nfssvc32_addsock_in(struct nfsd_args *nfsdarg, const void *argp) 62 { 63 struct netbsd32_nfsd_args args32; 64 int error; 65 66 error = copyin(argp, &args32, sizeof args32); 67 if (!error) { 68 nfsdarg->sock = args32.sock; 69 nfsdarg->name = NETBSD32PTR64(args32.name); 70 nfsdarg->namelen = args32.namelen; 71 } 72 73 return error; 74 } 75 76 static int 77 nfssvc32_setexports_in(struct mountd_exports_list *mel, const void *argp) 78 { 79 struct netbsd32_mountd_exports_list args32; 80 int error; 81 82 error = copyin(argp, &args32, sizeof args32); 83 if (!error) { 84 mel->mel_path = NETBSD32PTR64(args32.mel_path); 85 mel->mel_nexports = args32.mel_nexports; 86 mel->mel_exports = NETBSD32PTR64(args32.mel_exports); 87 } 88 89 return error; 90 } 91 92 static int 93 nfssvc32_nsd_in(struct nfsd_srvargs *nsd, const void *argp) 94 { 95 struct netbsd32_nfsd_srvargs args32; 96 int error; 97 98 error = copyin(argp, &args32, sizeof args32); 99 if (!error) { 100 nsd->nsd_nfsd = NETBSD32PTR64(args32.nsd_nfsd); 101 nsd->nsd_uid = args32.nsd_uid; 102 nsd->nsd_haddr = args32.nsd_haddr; 103 nsd->nsd_cr = args32.nsd_cr; 104 nsd->nsd_authlen = args32.nsd_authlen; 105 nsd->nsd_authstr = NETBSD32PTR64(args32.nsd_authstr); 106 nsd->nsd_verflen = args32.nsd_verflen; 107 nsd->nsd_uid = args32.nsd_uid; 108 netbsd32_to_timeval(&args32.nsd_timestamp, &nsd->nsd_timestamp); 109 nsd->nsd_ttl = args32.nsd_ttl; 110 nsd->nsd_key[0] = args32.nsd_key[0]; 111 nsd->nsd_key[1] = args32.nsd_key[1]; 112 } 113 114 return error; 115 } 116 117 static int 118 nfssvc32_nsd_out(void *argp, const struct nfsd_srvargs *nsd) 119 { 120 struct netbsd32_nfsd_srvargs args32; 121 122 memset(&args32, 0, sizeof(args32)); 123 NETBSD32PTR32(args32.nsd_nfsd, nsd->nsd_nfsd); 124 args32.nsd_uid = nsd->nsd_uid; 125 args32.nsd_haddr = nsd->nsd_haddr; 126 args32.nsd_cr = nsd->nsd_cr; 127 args32.nsd_authlen = nsd->nsd_authlen; 128 NETBSD32PTR32(args32.nsd_authstr, nsd->nsd_authstr); 129 args32.nsd_verflen = nsd->nsd_verflen; 130 args32.nsd_uid = nsd->nsd_uid; 131 netbsd32_from_timeval(&nsd->nsd_timestamp, &args32.nsd_timestamp); 132 args32.nsd_ttl = nsd->nsd_ttl; 133 args32.nsd_key[0] = nsd->nsd_key[0]; 134 args32.nsd_key[1] = nsd->nsd_key[1]; 135 136 return copyout(&args32, argp, sizeof args32); 137 } 138 139 static int 140 nfssvc32_exp_in(struct export_args *exp, const void *argp, size_t nexports) 141 { 142 struct netbsd32_export_args exp32; 143 struct netbsd32_export_args const *argp32 = argp; 144 int error = 0; 145 146 for (size_t i = 0; i < nexports; i++) { 147 error = copyin(argp32, &exp32, sizeof exp32); 148 if (error) 149 break; 150 exp->ex_flags = exp32.ex_flags; 151 exp->ex_root = exp32.ex_root; 152 exp->ex_anon = exp32.ex_anon; 153 exp->ex_addr = NETBSD32PTR64(exp32.ex_addr); 154 exp->ex_addrlen = exp32.ex_addrlen; 155 exp->ex_mask = NETBSD32PTR64(exp32.ex_mask); 156 exp->ex_masklen = exp32.ex_masklen; 157 exp->ex_indexfile = NETBSD32PTR64(exp32.ex_indexfile); 158 exp++; 159 argp32++; 160 } 161 162 return error; 163 } 164 165 /* 166 * NFS server system calls 167 */ 168 169 static struct nfssvc_copy_ops netbsd32_ops = { 170 .addsock_in = nfssvc32_addsock_in, 171 .setexports_in = nfssvc32_setexports_in, 172 .nsd_in = nfssvc32_nsd_in, 173 .nsd_out = nfssvc32_nsd_out, 174 .exp_in = nfssvc32_exp_in, 175 }; 176 177 int 178 netbsd32_nfssvc(struct lwp *l, const struct netbsd32_nfssvc_args *uap, 179 register_t *retval) 180 { 181 /* { 182 syscallarg(int) flag; 183 syscallarg(netbsd32_voidp *) argp; 184 } */ 185 int flag = SCARG(uap, flag); 186 void *argp = SCARG_P32(uap, argp); 187 188 return do_nfssvc(&netbsd32_ops, l, flag, argp, retval); 189 } 190 191 static const struct syscall_package compat_nfssvc_syscalls[] = { 192 { NETBSD32_SYS_netbsd32_nfssvc, 0, (sy_call_t *)netbsd32_nfssvc }, 193 { 0, 0, NULL }, 194 }; 195 196 MODULE(MODULE_CLASS_EXEC, compat_netbsd32_nfssrv, "nfsserver,compat_netbsd32"); 197 198 static int 199 compat_netbsd32_nfssrv_modcmd(modcmd_t cmd, void *arg) 200 { 201 int error; 202 203 switch (cmd) { 204 case MODULE_CMD_INIT: 205 error = syscall_establish(&emul_netbsd32, 206 compat_nfssvc_syscalls); 207 break; 208 case MODULE_CMD_FINI: 209 error = syscall_disestablish(&emul_netbsd32, 210 compat_nfssvc_syscalls); 211 break; 212 default: 213 error = ENOTTY; 214 break; 215 } 216 return error; 217 } 218
Indexes created Sun Sep 21 14:09:52 GMT 2025