219 lines
6.3 KiB
C
219 lines
6.3 KiB
C
/* $NetBSD: netbsd32_nfssvc.c,v 1.6 2019/01/27 02:08:40 pgoyette Exp $ */
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/*
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* Copyright (c) 2015 Matthew R. Green
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: netbsd32_nfssvc.c,v 1.6 2019/01/27 02:08:40 pgoyette Exp $");
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#if defined(_KERNEL_OPT)
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#include "opt_nfs.h"
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#include "opt_nfsserver.h"
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#include "opt_compat_netbsd.h"
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#endif
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#include <sys/param.h>
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#include <sys/vnode.h>
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#include <sys/filedesc.h>
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#include <sys/module.h>
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#include <sys/syscallvar.h>
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#include <compat/netbsd32/netbsd32.h>
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#include <compat/netbsd32/netbsd32_syscall.h>
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#include <compat/netbsd32/netbsd32_syscallargs.h>
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#include <compat/netbsd32/netbsd32_conv.h>
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#include <nfs/rpcv2.h>
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#include <nfs/nfsproto.h>
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#include <nfs/nfs.h>
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#include <nfs/nfs_var.h>
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static int nfssvc32_addsock_in(struct nfsd_args *, const void *);
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static int nfssvc32_setexports_in(struct mountd_exports_list *, const void *);
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static int nfssvc32_nsd_in(struct nfsd_srvargs *, const void *);
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static int nfssvc32_nsd_out(void *, const struct nfsd_srvargs *);
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static int nfssvc32_exp_in(struct export_args *, const void *, size_t);
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static int
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nfssvc32_addsock_in(struct nfsd_args *nfsdarg, const void *argp)
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{
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struct netbsd32_nfsd_args args32;
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int error;
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error = copyin(argp, &args32, sizeof args32);
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if (!error) {
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nfsdarg->sock = args32.sock;
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nfsdarg->name = NETBSD32PTR64(args32.name);
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nfsdarg->namelen = args32.namelen;
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}
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return error;
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}
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static int
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nfssvc32_setexports_in(struct mountd_exports_list *mel, const void *argp)
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{
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struct netbsd32_mountd_exports_list args32;
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int error;
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error = copyin(argp, &args32, sizeof args32);
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if (!error) {
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mel->mel_path = NETBSD32PTR64(args32.mel_path);
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mel->mel_nexports = args32.mel_nexports;
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mel->mel_exports = NETBSD32PTR64(args32.mel_exports);
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}
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return error;
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}
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static int
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nfssvc32_nsd_in(struct nfsd_srvargs *nsd, const void *argp)
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{
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struct netbsd32_nfsd_srvargs args32;
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int error;
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error = copyin(argp, &args32, sizeof args32);
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if (!error) {
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nsd->nsd_nfsd = NETBSD32PTR64(args32.nsd_nfsd);
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nsd->nsd_uid = args32.nsd_uid;
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nsd->nsd_haddr = args32.nsd_haddr;
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nsd->nsd_cr = args32.nsd_cr;
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nsd->nsd_authlen = args32.nsd_authlen;
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nsd->nsd_authstr = NETBSD32PTR64(args32.nsd_authstr);
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nsd->nsd_verflen = args32.nsd_verflen;
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nsd->nsd_uid = args32.nsd_uid;
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netbsd32_to_timeval(&args32.nsd_timestamp, &nsd->nsd_timestamp);
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nsd->nsd_ttl = args32.nsd_ttl;
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nsd->nsd_key[0] = args32.nsd_key[0];
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nsd->nsd_key[1] = args32.nsd_key[1];
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}
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return error;
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}
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static int
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nfssvc32_nsd_out(void *argp, const struct nfsd_srvargs *nsd)
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{
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struct netbsd32_nfsd_srvargs args32;
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NETBSD32PTR32(args32.nsd_nfsd, nsd->nsd_nfsd);
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args32.nsd_uid = nsd->nsd_uid;
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args32.nsd_haddr = nsd->nsd_haddr;
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args32.nsd_cr = nsd->nsd_cr;
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args32.nsd_authlen = nsd->nsd_authlen;
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NETBSD32PTR32(args32.nsd_authstr, nsd->nsd_authstr);
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args32.nsd_verflen = nsd->nsd_verflen;
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args32.nsd_uid = nsd->nsd_uid;
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netbsd32_from_timeval(&nsd->nsd_timestamp, &args32.nsd_timestamp);
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args32.nsd_ttl = nsd->nsd_ttl;
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args32.nsd_key[0] = nsd->nsd_key[0];
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args32.nsd_key[1] = nsd->nsd_key[1];
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return copyout(nsd, argp, sizeof *nsd);
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}
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static int
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nfssvc32_exp_in(struct export_args *exp, const void *argp, size_t nexports)
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{
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struct netbsd32_export_args exp32;
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struct netbsd32_export_args const *argp32 = argp;
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int error = 0;
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for (size_t i = 0; i < nexports; i++) {
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error = copyin(argp32, &exp32, sizeof exp32);
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if (error)
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break;
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exp->ex_flags = exp32.ex_flags;
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exp->ex_root = exp32.ex_root;
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exp->ex_anon = exp32.ex_anon;
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exp->ex_addr = NETBSD32PTR64(exp32.ex_addr);
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exp->ex_addrlen = exp32.ex_addrlen;
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exp->ex_mask = NETBSD32PTR64(exp32.ex_mask);
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exp->ex_masklen = exp32.ex_masklen;
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exp->ex_indexfile = NETBSD32PTR64(exp32.ex_indexfile);
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exp++;
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argp32++;
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}
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return error;
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}
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/*
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* NFS server system calls
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*/
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static struct nfssvc_copy_ops netbsd32_ops = {
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.addsock_in = nfssvc32_addsock_in,
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.setexports_in = nfssvc32_setexports_in,
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.nsd_in = nfssvc32_nsd_in,
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.nsd_out = nfssvc32_nsd_out,
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.exp_in = nfssvc32_exp_in,
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};
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int
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netbsd32_nfssvc(struct lwp *l, const struct netbsd32_nfssvc_args *uap,
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register_t *retval)
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{
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/* {
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syscallarg(int) flag;
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syscallarg(netbsd32_voidp *) argp;
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} */
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int flag = SCARG(uap, flag);
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void *argp = SCARG_P32(uap, argp);
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return do_nfssvc(&netbsd32_ops, l, flag, argp, retval);
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}
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static const struct syscall_package compat_nfssvc_syscalls[] = {
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{ NETBSD32_SYS_netbsd32_nfssvc, 0, (sy_call_t *)netbsd32_nfssvc },
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{ 0, 0, NULL },
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};
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MODULE(MODULE_CLASS_EXEC, compat_netbsd32_nfssrv, "nfsserver,compat_netbsd32");
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static int
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compat_netbsd32_nfssrv_modcmd(modcmd_t cmd, void *arg)
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{
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int error;
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switch (cmd) {
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case MODULE_CMD_INIT:
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error = syscall_establish(&emul_netbsd32,
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compat_nfssvc_syscalls);
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break;
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case MODULE_CMD_FINI:
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error = syscall_disestablish(&emul_netbsd32,
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compat_nfssvc_syscalls);
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break;
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default:
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error = ENOTTY;
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break;
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}
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return error;
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}
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