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bootp_subr.c
(44.36 KB)
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krpc.h
(734 B)
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krpc_subr.c
(11.58 KB)
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nfs_common.h
(3.98 KB)
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nfs_diskless.c
(12.11 KB)
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nfs_kdtrace.h
(4.6 KB)
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nfs_lock.h
(3.69 KB)
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nfs_mountcommon.h
(2.4 KB)
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nfs_nfssvc.c
(4.89 KB)
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nfsdiskless.h
(4.74 KB)
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nfsproto.h
(19.59 KB)
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nfssvc.h
(3.2 KB)
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xdr_subs.h
(3.56 KB)
Editing: nfs_nfssvc.c
/*- * SPDX-License-Identifier: BSD-3-Clause * * Copyright (c) 1989, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * Rick Macklem at The University of Guelph. * * 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. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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 <sys/cdefs.h> __FBSDID("$FreeBSD$"); #include "opt_nfs.h" #include <sys/param.h> #include <sys/systm.h> #include <sys/sysproto.h> #include <sys/kernel.h> #include <sys/sysctl.h> #include <sys/priv.h> #include <sys/proc.h> #include <sys/lock.h> #include <sys/mutex.h> #include <sys/module.h> #include <sys/sysent.h> #include <sys/syscall.h> #include <sys/sysproto.h> #include <security/audit/audit.h> #include <nfs/nfssvc.h> static struct syscall_helper_data nfssvc_syscalls[] = { SYSCALL_INIT_HELPER(nfssvc), SYSCALL_INIT_LAST }; /* * This tiny module simply handles the nfssvc() system call. The other * nfs modules that use the system call register themselves by setting * the nfsd_call_xxx function pointers non-NULL. */ int (*nfsd_call_nfsserver)(struct thread *, struct nfssvc_args *) = NULL; int (*nfsd_call_nfscommon)(struct thread *, struct nfssvc_args *) = NULL; int (*nfsd_call_nfscl)(struct thread *, struct nfssvc_args *) = NULL; int (*nfsd_call_nfsd)(struct thread *, struct nfssvc_args *) = NULL; /* * Nfs server pseudo system call for the nfsd's */ int sys_nfssvc(struct thread *td, struct nfssvc_args *uap) { int error; KASSERT(!mtx_owned(&Giant), ("nfssvc(): called with Giant")); AUDIT_ARG_CMD(uap->flag); /* Allow anyone to get the stats. */ if ((uap->flag & ~NFSSVC_GETSTATS) != 0) { error = priv_check(td, PRIV_NFS_DAEMON); if (error != 0) return (error); } error = EINVAL; if ((uap->flag & (NFSSVC_ADDSOCK | NFSSVC_OLDNFSD | NFSSVC_NFSD)) && nfsd_call_nfsserver != NULL) error = (*nfsd_call_nfsserver)(td, uap); else if ((uap->flag & (NFSSVC_CBADDSOCK | NFSSVC_NFSCBD | NFSSVC_DUMPMNTOPTS | NFSSVC_FORCEDISM)) && nfsd_call_nfscl != NULL) error = (*nfsd_call_nfscl)(td, uap); else if ((uap->flag & (NFSSVC_IDNAME | NFSSVC_GETSTATS | NFSSVC_GSSDADDPORT | NFSSVC_GSSDADDFIRST | NFSSVC_GSSDDELETEALL | NFSSVC_NFSUSERDPORT | NFSSVC_NFSUSERDDELPORT)) && nfsd_call_nfscommon != NULL) error = (*nfsd_call_nfscommon)(td, uap); else if ((uap->flag & (NFSSVC_NFSDNFSD | NFSSVC_NFSDADDSOCK | NFSSVC_PUBLICFH | NFSSVC_V4ROOTEXPORT | NFSSVC_NOPUBLICFH | NFSSVC_STABLERESTART | NFSSVC_ADMINREVOKE | NFSSVC_DUMPCLIENTS | NFSSVC_DUMPLOCKS | NFSSVC_BACKUPSTABLE | NFSSVC_SUSPENDNFSD | NFSSVC_RESUMENFSD | NFSSVC_PNFSDS)) && nfsd_call_nfsd != NULL) error = (*nfsd_call_nfsd)(td, uap); if (error == EINTR || error == ERESTART) error = 0; return (error); } /* * Called once to initialize data structures... */ static int nfssvc_modevent(module_t mod, int type, void *data) { int error = 0; switch (type) { case MOD_LOAD: error = syscall_helper_register(nfssvc_syscalls, SY_THR_STATIC_KLD); break; case MOD_UNLOAD: if (nfsd_call_nfsserver != NULL || nfsd_call_nfscommon != NULL || nfsd_call_nfscl != NULL || nfsd_call_nfsd != NULL) { error = EBUSY; break; } syscall_helper_unregister(nfssvc_syscalls); break; default: error = EOPNOTSUPP; break; } return error; } static moduledata_t nfssvc_mod = { "nfssvc", nfssvc_modevent, NULL, }; DECLARE_MODULE(nfssvc, nfssvc_mod, SI_SUB_VFS, SI_ORDER_ANY); /* So that loader and kldload(2) can find us, wherever we are.. */ MODULE_VERSION(nfssvc, 1);
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