1 /* $NetBSD: netbsd32_nfssvc.c,v 1.3 2015/08/05 23:17:06 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 * 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 1.3 2015/08/05 23:17:06 mrg 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 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 NETBSD32PTR32(args32.nsd_nfsd, nsd->nsd_nfsd); 123 args32.nsd_uid = nsd->nsd_uid; 124 args32.nsd_haddr = nsd->nsd_haddr; 125 args32.nsd_cr = nsd->nsd_cr; 126 args32.nsd_authlen = nsd->nsd_authlen; 127 NETBSD32PTR32(args32.nsd_authstr, nsd->nsd_authstr); 128 args32.nsd_verflen = nsd->nsd_verflen; 129 args32.nsd_uid = nsd->nsd_uid; 130 netbsd32_from_timeval(&nsd->nsd_timestamp, &args32.nsd_timestamp); 131 args32.nsd_ttl = nsd->nsd_ttl; 132 args32.nsd_key[0] = nsd->nsd_key[0]; 133 args32.nsd_key[1] = nsd->nsd_key[1]; 134 135 return copyout(nsd, argp, sizeof *nsd); 136 } 137 138 static int 139 nfssvc32_exp_in(struct export_args *exp, const void *argp, size_t nexports) 140 { 141 struct netbsd32_export_args exp32; 142 struct netbsd32_export_args const *argp32 = argp; 143 int error = 0; 144 145 for (size_t i = 0; i < nexports; i++) { 146 error = copyin(argp32, &exp32, sizeof exp32); 147 if (error) 148 break; 149 exp->ex_flags = exp32.ex_flags; 150 exp->ex_root = exp32.ex_root; 151 exp->ex_anon = exp32.ex_anon; 152 exp->ex_addr = NETBSD32PTR64(exp32.ex_addr); 153 exp->ex_addrlen = exp32.ex_addrlen; 154 exp->ex_mask = NETBSD32PTR64(exp32.ex_mask); 155 exp->ex_masklen = exp32.ex_masklen; 156 exp->ex_indexfile = NETBSD32PTR64(exp32.ex_indexfile); 157 exp++; 158 argp32++; 159 } 160 161 return error; 162 } 163 164 /* 165 * NFS server system calls 166 */ 167 168 static struct nfssvc_copy_ops netbsd32_ops = { 169 .addsock_in = nfssvc32_addsock_in, 170 .setexports_in = nfssvc32_setexports_in, 171 .nsd_in = nfssvc32_nsd_in, 172 .nsd_out = nfssvc32_nsd_out, 173 .exp_in = nfssvc32_exp_in, 174 }; 175 176 int 177 netbsd32_nfssvc(struct lwp *l, const struct netbsd32_nfssvc_args *uap, 178 register_t *retval) 179 { 180 /* { 181 syscallarg(int) flag; 182 syscallarg(netbsd32_voidp *) argp; 183 } */ 184 int flag = SCARG(uap, flag); 185 void *argp = SCARG_P32(uap, argp); 186 187 return do_nfssvc(&netbsd32_ops, l, flag, argp, retval); 188 } 189