/* * Copyright (c) 1997-2004 Erez Zadok * Copyright (c) 1989 Jan-Simon Pendry * Copyright (c) 1989 Imperial College of Science, Technology & Medicine * Copyright (c) 1989 The Regents of the University of California. * All rights reserved. * * This code is derived from software contributed to Berkeley by * Jan-Simon Pendry at Imperial College, London. * * 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. All advertising materials mentioning features or use of this software * must display the following acknowledgment: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. 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. * * %W% (Berkeley) %G% * * $Id: nfs_prot_svc.c,v 1.4.2.5 2004/01/06 03:15:23 ezk Exp $ * */ #ifdef HAVE_CONFIG_H # include #endif /* HAVE_CONFIG_H */ #include #include /* EXTERNAL FUNCTIONS */ extern voidp nfsproc_null_2_svc(voidp, struct svc_req *); extern nfsattrstat *nfsproc_getattr_2_svc(am_nfs_fh *, struct svc_req *); extern nfsattrstat *nfsproc_setattr_2_svc(nfssattrargs *, struct svc_req *); extern voidp nfsproc_root_2_svc(voidp, struct svc_req *); extern nfsdiropres *nfsproc_lookup_2_svc(nfsdiropargs *, struct svc_req *); extern nfsreadlinkres *nfsproc_readlink_2_svc(am_nfs_fh *, struct svc_req *); extern nfsreadres *nfsproc_read_2_svc(nfsreadargs *, struct svc_req *); extern voidp nfsproc_writecache_2_svc(voidp, struct svc_req *); extern nfsattrstat *nfsproc_write_2_svc(nfswriteargs *, struct svc_req *); extern nfsdiropres *nfsproc_create_2_svc(nfscreateargs *, struct svc_req *); extern nfsstat *nfsproc_remove_2_svc(nfsdiropargs *, struct svc_req *); extern nfsstat *nfsproc_rename_2_svc(nfsrenameargs *, struct svc_req *); extern nfsstat *nfsproc_link_2_svc(nfslinkargs *, struct svc_req *); extern nfsstat *nfsproc_symlink_2_svc(nfssymlinkargs *, struct svc_req *); extern nfsdiropres *nfsproc_mkdir_2_svc(nfscreateargs *, struct svc_req *); extern nfsstat *nfsproc_rmdir_2_svc(nfsdiropargs *, struct svc_req *); extern nfsreaddirres *nfsproc_readdir_2_svc(nfsreaddirargs *, struct svc_req *); extern nfsstatfsres *nfsproc_statfs_2_svc(am_nfs_fh *, struct svc_req *); /* GLOBALS */ SVCXPRT *nfs_program_2_transp; /* TYPEDEFS */ typedef char *(*nfssvcproc_t)(voidp, struct svc_req *); void nfs_program_2(struct svc_req *rqstp, SVCXPRT *transp) { union { am_nfs_fh nfsproc_getattr_2_arg; nfssattrargs nfsproc_setattr_2_arg; nfsdiropargs nfsproc_lookup_2_arg; am_nfs_fh nfsproc_readlink_2_arg; nfsreadargs nfsproc_read_2_arg; nfswriteargs nfsproc_write_2_arg; nfscreateargs nfsproc_create_2_arg; nfsdiropargs nfsproc_remove_2_arg; nfsrenameargs nfsproc_rename_2_arg; nfslinkargs nfsproc_link_2_arg; nfssymlinkargs nfsproc_symlink_2_arg; nfscreateargs nfsproc_mkdir_2_arg; nfsdiropargs nfsproc_rmdir_2_arg; nfsreaddirargs nfsproc_readdir_2_arg; am_nfs_fh nfsproc_statfs_2_arg; } argument; char *result; xdrproc_t xdr_argument, xdr_result; nfssvcproc_t local; nfs_program_2_transp = NULL; switch (rqstp->rq_proc) { case NFSPROC_NULL: xdr_argument = (xdrproc_t) xdr_void; xdr_result = (xdrproc_t) xdr_void; local = (nfssvcproc_t) nfsproc_null_2_svc; break; case NFSPROC_GETATTR: xdr_argument = (xdrproc_t) xdr_nfs_fh; xdr_result = (xdrproc_t) xdr_attrstat; local = (nfssvcproc_t) nfsproc_getattr_2_svc; break; case NFSPROC_SETATTR: xdr_argument = (xdrproc_t) xdr_sattrargs; xdr_result = (xdrproc_t) xdr_attrstat; local = (nfssvcproc_t) nfsproc_setattr_2_svc; break; case NFSPROC_ROOT: xdr_argument = (xdrproc_t) xdr_void; xdr_result = (xdrproc_t) xdr_void; local = (nfssvcproc_t) nfsproc_root_2_svc; break; case NFSPROC_LOOKUP: xdr_argument = (xdrproc_t) xdr_diropargs; xdr_result = (xdrproc_t) xdr_diropres; local = (nfssvcproc_t) nfsproc_lookup_2_svc; /* * Cheap way to pass transp down to afs_lookuppn so it can * be stored in the am_node structure and later used for * quick_reply(). */ nfs_program_2_transp = transp; break; case NFSPROC_READLINK: xdr_argument = (xdrproc_t) xdr_nfs_fh; xdr_result = (xdrproc_t) xdr_readlinkres; local = (nfssvcproc_t) nfsproc_readlink_2_svc; break; case NFSPROC_READ: xdr_argument = (xdrproc_t) xdr_readargs; xdr_result = (xdrproc_t) xdr_readres; local = (nfssvcproc_t) nfsproc_read_2_svc; break; case NFSPROC_WRITECACHE: xdr_argument = (xdrproc_t) xdr_void; xdr_result = (xdrproc_t) xdr_void; local = (nfssvcproc_t) nfsproc_writecache_2_svc; break; case NFSPROC_WRITE: xdr_argument = (xdrproc_t) xdr_writeargs; xdr_result = (xdrproc_t) xdr_attrstat; local = (nfssvcproc_t) nfsproc_write_2_svc; break; case NFSPROC_CREATE: xdr_argument = (xdrproc_t) xdr_createargs; xdr_result = (xdrproc_t) xdr_diropres; local = (nfssvcproc_t) nfsproc_create_2_svc; break; case NFSPROC_REMOVE: xdr_argument = (xdrproc_t) xdr_diropargs; xdr_result = (xdrproc_t) xdr_nfsstat; local = (nfssvcproc_t) nfsproc_remove_2_svc; break; case NFSPROC_RENAME: xdr_argument = (xdrproc_t) xdr_renameargs; xdr_result = (xdrproc_t) xdr_nfsstat; local = (nfssvcproc_t) nfsproc_rename_2_svc; break; case NFSPROC_LINK: xdr_argument = (xdrproc_t) xdr_linkargs; xdr_result = (xdrproc_t) xdr_nfsstat; local = (nfssvcproc_t) nfsproc_link_2_svc; break; case NFSPROC_SYMLINK: xdr_argument = (xdrproc_t) xdr_symlinkargs; xdr_result = (xdrproc_t) xdr_nfsstat; local = (nfssvcproc_t) nfsproc_symlink_2_svc; break; case NFSPROC_MKDIR: xdr_argument = (xdrproc_t) xdr_createargs; xdr_result = (xdrproc_t) xdr_diropres; local = (nfssvcproc_t) nfsproc_mkdir_2_svc; break; case NFSPROC_RMDIR: xdr_argument = (xdrproc_t) xdr_diropargs; xdr_result = (xdrproc_t) xdr_nfsstat; local = (nfssvcproc_t) nfsproc_rmdir_2_svc; break; case NFSPROC_READDIR: xdr_argument = (xdrproc_t) xdr_readdirargs; xdr_result = (xdrproc_t) xdr_readdirres; local = (nfssvcproc_t) nfsproc_readdir_2_svc; break; case NFSPROC_STATFS: xdr_argument = (xdrproc_t) xdr_nfs_fh; xdr_result = (xdrproc_t) xdr_statfsres; local = (nfssvcproc_t) nfsproc_statfs_2_svc; break; default: svcerr_noproc(transp); return; } memset((char *) &argument, 0, sizeof(argument)); if (!svc_getargs(transp, (XDRPROC_T_TYPE) xdr_argument, (SVC_IN_ARG_TYPE) &argument)) { plog(XLOG_ERROR, "NFS xdr decode failed for %d %d %d", (int) rqstp->rq_prog, (int) rqstp->rq_vers, (int) rqstp->rq_proc); svcerr_decode(transp); return; } result = (*local) (&argument, rqstp); nfs_program_2_transp = NULL; if (result != NULL && !svc_sendreply(transp, (XDRPROC_T_TYPE) xdr_result, result)) { svcerr_systemerr(transp); } if (!svc_freeargs(transp, (XDRPROC_T_TYPE) xdr_argument, (SVC_IN_ARG_TYPE) & argument)) { plog(XLOG_FATAL, "unable to free rpc arguments in nfs_program_2"); going_down(1); } }