netbsd32_nfssvc.c revision 1.6.4.1
1 /* $NetBSD: netbsd32_nfssvc.c,v 1.6.4.1 2022/08/03 10:58:58 martin 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 * 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_nfssvc.c,v 1.6.4.1 2022/08/03 10:58:58 martin Exp $"); 33 34 #if defined(_KERNEL_OPT) 35 #include "opt_nfs.h" 36 #include "opt_nfsserver.h" 37 #include "opt_compat_netbsd.h" 38 #endif 39 40 #include <sys/param.h> 41 #include <sys/vnode.h> 42 #include <sys/filedesc.h> 43 #include <sys/module.h> 44 #include <sys/syscallvar.h> 45 46 #include <compat/netbsd32/netbsd32.h> 47 #include <compat/netbsd32/netbsd32_syscall.h> 48 #include <compat/netbsd32/netbsd32_syscallargs.h> 49 #include <compat/netbsd32/netbsd32_conv.h> 50 51 #include <nfs/rpcv2.h> 52 #include <nfs/nfsproto.h> 53 #include <nfs/nfs.h> 54 #include <nfs/nfs_var.h> 55 56 static int nfssvc32_addsock_in(struct nfsd_args *, const void *); 57 static int nfssvc32_setexports_in(struct mountd_exports_list *, const void *); 58 static int nfssvc32_nsd_in(struct nfsd_srvargs *, const void *); 59 static int nfssvc32_nsd_out(void *, const struct nfsd_srvargs *); 60 static int nfssvc32_exp_in(struct export_args *, const void *, size_t); 61 62 static int 63 nfssvc32_addsock_in(struct nfsd_args *nfsdarg, const void *argp) 64 { 65 struct netbsd32_nfsd_args args32; 66 int error; 67 68 error = copyin(argp, &args32, sizeof args32); 69 if (!error) { 70 nfsdarg->sock = args32.sock; 71 nfsdarg->name = NETBSD32PTR64(args32.name); 72 nfsdarg->namelen = args32.namelen; 73 } 74 75 return error; 76 } 77 78 static int 79 nfssvc32_setexports_in(struct mountd_exports_list *mel, const void *argp) 80 { 81 struct netbsd32_mountd_exports_list args32; 82 int error; 83 84 error = copyin(argp, &args32, sizeof args32); 85 if (!error) { 86 mel->mel_path = NETBSD32PTR64(args32.mel_path); 87 mel->mel_nexports = args32.mel_nexports; 88 mel->mel_exports = NETBSD32PTR64(args32.mel_exports); 89 } 90 91 return error; 92 } 93 94 static int 95 nfssvc32_nsd_in(struct nfsd_srvargs *nsd, const void *argp) 96 { 97 struct netbsd32_nfsd_srvargs args32; 98 int error; 99 100 error = copyin(argp, &args32, sizeof args32); 101 if (!error) { 102 nsd->nsd_nfsd = NETBSD32PTR64(args32.nsd_nfsd); 103 nsd->nsd_uid = args32.nsd_uid; 104 nsd->nsd_haddr = args32.nsd_haddr; 105 nsd->nsd_cr = args32.nsd_cr; 106 nsd->nsd_authlen = args32.nsd_authlen; 107 nsd->nsd_authstr = NETBSD32PTR64(args32.nsd_authstr); 108 nsd->nsd_verflen = args32.nsd_verflen; 109 nsd->nsd_uid = args32.nsd_uid; 110 netbsd32_to_timeval(&args32.nsd_timestamp, &nsd->nsd_timestamp); 111 nsd->nsd_ttl = args32.nsd_ttl; 112 nsd->nsd_key[0] = args32.nsd_key[0]; 113 nsd->nsd_key[1] = args32.nsd_key[1]; 114 } 115 116 return error; 117 } 118 119 static int 120 nfssvc32_nsd_out(void *argp, const struct nfsd_srvargs *nsd) 121 { 122 struct netbsd32_nfsd_srvargs args32; 123 124 NETBSD32PTR32(args32.nsd_nfsd, nsd->nsd_nfsd); 125 args32.nsd_uid = nsd->nsd_uid; 126 args32.nsd_haddr = nsd->nsd_haddr; 127 args32.nsd_cr = nsd->nsd_cr; 128 args32.nsd_authlen = nsd->nsd_authlen; 129 NETBSD32PTR32(args32.nsd_authstr, nsd->nsd_authstr); 130 args32.nsd_verflen = nsd->nsd_verflen; 131 args32.nsd_uid = nsd->nsd_uid; 132 netbsd32_from_timeval(&nsd->nsd_timestamp, &args32.nsd_timestamp); 133 args32.nsd_ttl = nsd->nsd_ttl; 134 args32.nsd_key[0] = nsd->nsd_key[0]; 135 args32.nsd_key[1] = nsd->nsd_key[1]; 136 137 return copyout(&args32, argp, sizeof args32); 138 } 139 140 static int 141 nfssvc32_exp_in(struct export_args *exp, const void *argp, size_t nexports) 142 { 143 struct netbsd32_export_args exp32; 144 struct netbsd32_export_args const *argp32 = argp; 145 int error = 0; 146 147 for (size_t i = 0; i < nexports; i++) { 148 error = copyin(argp32, &exp32, sizeof exp32); 149 if (error) 150 break; 151 exp->ex_flags = exp32.ex_flags; 152 exp->ex_root = exp32.ex_root; 153 exp->ex_anon = exp32.ex_anon; 154 exp->ex_addr = NETBSD32PTR64(exp32.ex_addr); 155 exp->ex_addrlen = exp32.ex_addrlen; 156 exp->ex_mask = NETBSD32PTR64(exp32.ex_mask); 157 exp->ex_masklen = exp32.ex_masklen; 158 exp->ex_indexfile = NETBSD32PTR64(exp32.ex_indexfile); 159 exp++; 160 argp32++; 161 } 162 163 return error; 164 } 165 166 /* 167 * NFS server system calls 168 */ 169 170 static struct nfssvc_copy_ops netbsd32_ops = { 171 .addsock_in = nfssvc32_addsock_in, 172 .setexports_in = nfssvc32_setexports_in, 173 .nsd_in = nfssvc32_nsd_in, 174 .nsd_out = nfssvc32_nsd_out, 175 .exp_in = nfssvc32_exp_in, 176 }; 177 178 int 179 netbsd32_nfssvc(struct lwp *l, const struct netbsd32_nfssvc_args *uap, 180 register_t *retval) 181 { 182 /* { 183 syscallarg(int) flag; 184 syscallarg(netbsd32_voidp *) argp; 185 } */ 186 int flag = SCARG(uap, flag); 187 void *argp = SCARG_P32(uap, argp); 188 189 return do_nfssvc(&netbsd32_ops, l, flag, argp, retval); 190 } 191 192 static const struct syscall_package compat_nfssvc_syscalls[] = { 193 { NETBSD32_SYS_netbsd32_nfssvc, 0, (sy_call_t *)netbsd32_nfssvc }, 194 { 0, 0, NULL }, 195 }; 196 197 MODULE(MODULE_CLASS_EXEC, compat_netbsd32_nfssrv, "nfsserver,compat_netbsd32"); 198 199 static int 200 compat_netbsd32_nfssrv_modcmd(modcmd_t cmd, void *arg) 201 { 202 int error; 203 204 switch (cmd) { 205 case MODULE_CMD_INIT: 206 error = syscall_establish(&emul_netbsd32, 207 compat_nfssvc_syscalls); 208 break; 209 case MODULE_CMD_FINI: 210 error = syscall_disestablish(&emul_netbsd32, 211 compat_nfssvc_syscalls); 212 break; 213 default: 214 error = ENOTTY; 215 break; 216 } 217 return error; 218 } 219
Indexes created Mon Sep 29 18:09:42 GMT 2025