2 * Copyright (c) 1997-2014 Erez Zadok
3 * Copyright (c) 1989 Jan-Simon Pendry
4 * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
5 * Copyright (c) 1989 The Regents of the University of California.
8 * This code is derived from software contributed to Berkeley by
9 * Jan-Simon Pendry at Imperial College, London.
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. Neither the name of the University nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * File: am-utils/hlfsd/nfs_prot_svc.c
42 #endif /* HAVE_CONFIG_H */
46 /* EXTERNAL FUNCTIONS */
47 extern voidp nfsproc_null_2_svc(voidp, struct svc_req *);
48 extern nfsattrstat *nfsproc_getattr_2_svc(am_nfs_fh *, struct svc_req *);
49 extern nfsattrstat *nfsproc_setattr_2_svc(nfssattrargs *, struct svc_req *);
50 extern voidp nfsproc_root_2_svc(voidp, struct svc_req *);
51 extern nfsdiropres *nfsproc_lookup_2_svc(nfsdiropargs *, struct svc_req *);
52 extern nfsreadlinkres *nfsproc_readlink_2_svc(am_nfs_fh *, struct svc_req *);
53 extern nfsreadres *nfsproc_read_2_svc(nfsreadargs *, struct svc_req *);
54 extern voidp nfsproc_writecache_2_svc(voidp, struct svc_req *);
55 extern nfsattrstat *nfsproc_write_2_svc(nfswriteargs *, struct svc_req *);
56 extern nfsdiropres *nfsproc_create_2_svc(nfscreateargs *, struct svc_req *);
57 extern nfsstat *nfsproc_remove_2_svc(nfsdiropargs *, struct svc_req *);
58 extern nfsstat *nfsproc_rename_2_svc(nfsrenameargs *, struct svc_req *);
59 extern nfsstat *nfsproc_link_2_svc(nfslinkargs *, struct svc_req *);
60 extern nfsstat *nfsproc_symlink_2_svc(nfssymlinkargs *, struct svc_req *);
61 extern nfsdiropres *nfsproc_mkdir_2_svc(nfscreateargs *, struct svc_req *);
62 extern nfsstat *nfsproc_rmdir_2_svc(nfsdiropargs *, struct svc_req *);
63 extern nfsreaddirres *nfsproc_readdir_2_svc(nfsreaddirargs *, struct svc_req *);
64 extern nfsstatfsres *nfsproc_statfs_2_svc(am_nfs_fh *, struct svc_req *);
67 SVCXPRT *nfs_program_2_transp;
70 typedef char *(*nfssvcproc_t)(voidp, struct svc_req *);
74 nfs_program_2(struct svc_req *rqstp, SVCXPRT *transp)
77 am_nfs_fh nfsproc_getattr_2_arg;
78 nfssattrargs nfsproc_setattr_2_arg;
79 nfsdiropargs nfsproc_lookup_2_arg;
80 am_nfs_fh nfsproc_readlink_2_arg;
81 nfsreadargs nfsproc_read_2_arg;
82 nfswriteargs nfsproc_write_2_arg;
83 nfscreateargs nfsproc_create_2_arg;
84 nfsdiropargs nfsproc_remove_2_arg;
85 nfsrenameargs nfsproc_rename_2_arg;
86 nfslinkargs nfsproc_link_2_arg;
87 nfssymlinkargs nfsproc_symlink_2_arg;
88 nfscreateargs nfsproc_mkdir_2_arg;
89 nfsdiropargs nfsproc_rmdir_2_arg;
90 nfsreaddirargs nfsproc_readdir_2_arg;
91 am_nfs_fh nfsproc_statfs_2_arg;
94 xdrproc_t xdr_argument, xdr_result;
97 nfs_program_2_transp = NULL;
99 switch (rqstp->rq_proc) {
102 xdr_argument = (xdrproc_t) xdr_void;
103 xdr_result = (xdrproc_t) xdr_void;
104 local = (nfssvcproc_t) nfsproc_null_2_svc;
107 case NFSPROC_GETATTR:
108 xdr_argument = (xdrproc_t) xdr_nfs_fh;
109 xdr_result = (xdrproc_t) xdr_attrstat;
110 local = (nfssvcproc_t) nfsproc_getattr_2_svc;
113 case NFSPROC_SETATTR:
114 xdr_argument = (xdrproc_t) xdr_sattrargs;
115 xdr_result = (xdrproc_t) xdr_attrstat;
116 local = (nfssvcproc_t) nfsproc_setattr_2_svc;
120 xdr_argument = (xdrproc_t) xdr_void;
121 xdr_result = (xdrproc_t) xdr_void;
122 local = (nfssvcproc_t) nfsproc_root_2_svc;
126 xdr_argument = (xdrproc_t) xdr_diropargs;
127 xdr_result = (xdrproc_t) xdr_diropres;
128 local = (nfssvcproc_t) nfsproc_lookup_2_svc;
130 * Cheap way to pass transp down to afs_lookuppn so it can
131 * be stored in the am_node structure and later used for
134 nfs_program_2_transp = transp;
137 case NFSPROC_READLINK:
138 xdr_argument = (xdrproc_t) xdr_nfs_fh;
139 xdr_result = (xdrproc_t) xdr_readlinkres;
140 local = (nfssvcproc_t) nfsproc_readlink_2_svc;
144 xdr_argument = (xdrproc_t) xdr_readargs;
145 xdr_result = (xdrproc_t) xdr_readres;
146 local = (nfssvcproc_t) nfsproc_read_2_svc;
149 case NFSPROC_WRITECACHE:
150 xdr_argument = (xdrproc_t) xdr_void;
151 xdr_result = (xdrproc_t) xdr_void;
152 local = (nfssvcproc_t) nfsproc_writecache_2_svc;
156 xdr_argument = (xdrproc_t) xdr_writeargs;
157 xdr_result = (xdrproc_t) xdr_attrstat;
158 local = (nfssvcproc_t) nfsproc_write_2_svc;
162 xdr_argument = (xdrproc_t) xdr_createargs;
163 xdr_result = (xdrproc_t) xdr_diropres;
164 local = (nfssvcproc_t) nfsproc_create_2_svc;
168 xdr_argument = (xdrproc_t) xdr_diropargs;
169 xdr_result = (xdrproc_t) xdr_nfsstat;
170 local = (nfssvcproc_t) nfsproc_remove_2_svc;
174 xdr_argument = (xdrproc_t) xdr_renameargs;
175 xdr_result = (xdrproc_t) xdr_nfsstat;
176 local = (nfssvcproc_t) nfsproc_rename_2_svc;
180 xdr_argument = (xdrproc_t) xdr_linkargs;
181 xdr_result = (xdrproc_t) xdr_nfsstat;
182 local = (nfssvcproc_t) nfsproc_link_2_svc;
185 case NFSPROC_SYMLINK:
186 xdr_argument = (xdrproc_t) xdr_symlinkargs;
187 xdr_result = (xdrproc_t) xdr_nfsstat;
188 local = (nfssvcproc_t) nfsproc_symlink_2_svc;
192 xdr_argument = (xdrproc_t) xdr_createargs;
193 xdr_result = (xdrproc_t) xdr_diropres;
194 local = (nfssvcproc_t) nfsproc_mkdir_2_svc;
198 xdr_argument = (xdrproc_t) xdr_diropargs;
199 xdr_result = (xdrproc_t) xdr_nfsstat;
200 local = (nfssvcproc_t) nfsproc_rmdir_2_svc;
203 case NFSPROC_READDIR:
204 xdr_argument = (xdrproc_t) xdr_readdirargs;
205 xdr_result = (xdrproc_t) xdr_readdirres;
206 local = (nfssvcproc_t) nfsproc_readdir_2_svc;
210 xdr_argument = (xdrproc_t) xdr_nfs_fh;
211 xdr_result = (xdrproc_t) xdr_statfsres;
212 local = (nfssvcproc_t) nfsproc_statfs_2_svc;
216 svcerr_noproc(transp);
220 memset((char *) &argument, 0, sizeof(argument));
221 if (!svc_getargs(transp,
222 (XDRPROC_T_TYPE) xdr_argument,
223 (SVC_IN_ARG_TYPE) &argument)) {
225 "NFS xdr decode failed for %d %d %d",
226 (int) rqstp->rq_prog, (int) rqstp->rq_vers, (int) rqstp->rq_proc);
227 svcerr_decode(transp);
230 result = (*local) (&argument, rqstp);
232 nfs_program_2_transp = NULL;
234 if (result != NULL && !svc_sendreply(transp,
235 (XDRPROC_T_TYPE) xdr_result,
237 svcerr_systemerr(transp);
239 if (!svc_freeargs(transp,
240 (XDRPROC_T_TYPE) xdr_argument,
241 (SVC_IN_ARG_TYPE) & argument)) {
242 plog(XLOG_FATAL, "unable to free rpc arguments in nfs_program_2");