/* $NetBSD: netbsd32_nfssvc.c,v 1.6.4.2 2022/08/03 11:11:31 martin Exp $ */ /* * Copyright (c) 2015 Matthew R. Green * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include __KERNEL_RCSID(0, "$NetBSD: netbsd32_nfssvc.c,v 1.6.4.2 2022/08/03 11:11:31 martin Exp $"); #if defined(_KERNEL_OPT) #include "opt_nfs.h" #include "opt_nfsserver.h" #include "opt_compat_netbsd.h" #endif #include #include #include #include #include #include #include #include #include #include #include #include #include static int nfssvc32_addsock_in(struct nfsd_args *, const void *); static int nfssvc32_setexports_in(struct mountd_exports_list *, const void *); static int nfssvc32_nsd_in(struct nfsd_srvargs *, const void *); static int nfssvc32_nsd_out(void *, const struct nfsd_srvargs *); static int nfssvc32_exp_in(struct export_args *, const void *, size_t); static int nfssvc32_addsock_in(struct nfsd_args *nfsdarg, const void *argp) { struct netbsd32_nfsd_args args32; int error; error = copyin(argp, &args32, sizeof args32); if (!error) { nfsdarg->sock = args32.sock; nfsdarg->name = NETBSD32PTR64(args32.name); nfsdarg->namelen = args32.namelen; } return error; } static int nfssvc32_setexports_in(struct mountd_exports_list *mel, const void *argp) { struct netbsd32_mountd_exports_list args32; int error; error = copyin(argp, &args32, sizeof args32); if (!error) { mel->mel_path = NETBSD32PTR64(args32.mel_path); mel->mel_nexports = args32.mel_nexports; mel->mel_exports = NETBSD32PTR64(args32.mel_exports); } return error; } static int nfssvc32_nsd_in(struct nfsd_srvargs *nsd, const void *argp) { struct netbsd32_nfsd_srvargs args32; int error; error = copyin(argp, &args32, sizeof args32); if (!error) { nsd->nsd_nfsd = NETBSD32PTR64(args32.nsd_nfsd); nsd->nsd_uid = args32.nsd_uid; nsd->nsd_haddr = args32.nsd_haddr; nsd->nsd_cr = args32.nsd_cr; nsd->nsd_authlen = args32.nsd_authlen; nsd->nsd_authstr = NETBSD32PTR64(args32.nsd_authstr); nsd->nsd_verflen = args32.nsd_verflen; nsd->nsd_uid = args32.nsd_uid; netbsd32_to_timeval(&args32.nsd_timestamp, &nsd->nsd_timestamp); nsd->nsd_ttl = args32.nsd_ttl; nsd->nsd_key[0] = args32.nsd_key[0]; nsd->nsd_key[1] = args32.nsd_key[1]; } return error; } static int nfssvc32_nsd_out(void *argp, const struct nfsd_srvargs *nsd) { struct netbsd32_nfsd_srvargs args32; memset(&args32, 0, sizeof(args32)); NETBSD32PTR32(args32.nsd_nfsd, nsd->nsd_nfsd); args32.nsd_uid = nsd->nsd_uid; args32.nsd_haddr = nsd->nsd_haddr; args32.nsd_cr = nsd->nsd_cr; args32.nsd_authlen = nsd->nsd_authlen; NETBSD32PTR32(args32.nsd_authstr, nsd->nsd_authstr); args32.nsd_verflen = nsd->nsd_verflen; args32.nsd_uid = nsd->nsd_uid; netbsd32_from_timeval(&nsd->nsd_timestamp, &args32.nsd_timestamp); args32.nsd_ttl = nsd->nsd_ttl; args32.nsd_key[0] = nsd->nsd_key[0]; args32.nsd_key[1] = nsd->nsd_key[1]; return copyout(&args32, argp, sizeof args32); } static int nfssvc32_exp_in(struct export_args *exp, const void *argp, size_t nexports) { struct netbsd32_export_args exp32; struct netbsd32_export_args const *argp32 = argp; int error = 0; for (size_t i = 0; i < nexports; i++) { error = copyin(argp32, &exp32, sizeof exp32); if (error) break; exp->ex_flags = exp32.ex_flags; exp->ex_root = exp32.ex_root; exp->ex_anon = exp32.ex_anon; exp->ex_addr = NETBSD32PTR64(exp32.ex_addr); exp->ex_addrlen = exp32.ex_addrlen; exp->ex_mask = NETBSD32PTR64(exp32.ex_mask); exp->ex_masklen = exp32.ex_masklen; exp->ex_indexfile = NETBSD32PTR64(exp32.ex_indexfile); exp++; argp32++; } return error; } /* * NFS server system calls */ static struct nfssvc_copy_ops netbsd32_ops = { .addsock_in = nfssvc32_addsock_in, .setexports_in = nfssvc32_setexports_in, .nsd_in = nfssvc32_nsd_in, .nsd_out = nfssvc32_nsd_out, .exp_in = nfssvc32_exp_in, }; int netbsd32_nfssvc(struct lwp *l, const struct netbsd32_nfssvc_args *uap, register_t *retval) { /* { syscallarg(int) flag; syscallarg(netbsd32_voidp *) argp; } */ int flag = SCARG(uap, flag); void *argp = SCARG_P32(uap, argp); return do_nfssvc(&netbsd32_ops, l, flag, argp, retval); } static const struct syscall_package compat_nfssvc_syscalls[] = { { NETBSD32_SYS_netbsd32_nfssvc, 0, (sy_call_t *)netbsd32_nfssvc }, { 0, 0, NULL }, }; MODULE(MODULE_CLASS_EXEC, compat_netbsd32_nfssrv, "nfsserver,compat_netbsd32"); static int compat_netbsd32_nfssrv_modcmd(modcmd_t cmd, void *arg) { int error; switch (cmd) { case MODULE_CMD_INIT: error = syscall_establish(&emul_netbsd32, compat_nfssvc_syscalls); break; case MODULE_CMD_FINI: error = syscall_disestablish(&emul_netbsd32, compat_nfssvc_syscalls); break; default: error = ENOTTY; break; } return error; }