2 * Copyright (c) 1997-2004 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. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgment:
21 * This product includes software developed by the University of
22 * California, Berkeley and its contributors.
23 * 4. Neither the name of the University nor the names of its contributors
24 * may be used to endorse or promote products derived from this software
25 * without specific prior written permission.
27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
41 * $Id: nfs_prot_svc.c,v 1.5.2.6 2004/01/21 04:04:58 ib42 Exp $
48 #endif /* HAVE_CONFIG_H */
52 /* external definitions */
53 extern voidp nfsproc_null_2_svc(voidp, struct svc_req *);
54 extern nfsattrstat *nfsproc_getattr_2_svc(am_nfs_fh *, struct svc_req *);
55 extern nfsattrstat *nfsproc_setattr_2_svc(nfssattrargs *, struct svc_req *);
56 extern voidp nfsproc_root_2_svc(voidp, struct svc_req *);
57 extern nfsdiropres *nfsproc_lookup_2_svc(nfsdiropargs *, struct svc_req *);
58 extern nfsreadlinkres *nfsproc_readlink_2_svc(am_nfs_fh *, struct svc_req *);
59 extern nfsreadres *nfsproc_read_2_svc(nfsreadargs *, struct svc_req *);
60 extern voidp nfsproc_writecache_2_svc(voidp, struct svc_req *);
61 extern nfsattrstat *nfsproc_write_2_svc(nfswriteargs *, struct svc_req *);
62 extern nfsdiropres *nfsproc_create_2_svc(nfscreateargs *, struct svc_req *);
63 extern nfsstat *nfsproc_remove_2_svc(nfsdiropargs *, struct svc_req *);
64 extern nfsstat *nfsproc_rename_2_svc(nfsrenameargs *, struct svc_req *);
65 extern nfsstat *nfsproc_link_2_svc(nfslinkargs *, struct svc_req *);
66 extern nfsstat *nfsproc_symlink_2_svc(nfssymlinkargs *, struct svc_req *);
67 extern nfsdiropres *nfsproc_mkdir_2_svc(nfscreateargs *, struct svc_req *);
68 extern nfsstat *nfsproc_rmdir_2_svc(nfsdiropargs *, struct svc_req *);
69 extern nfsreaddirres *nfsproc_readdir_2_svc(nfsreaddirargs *, struct svc_req *);
70 extern nfsstatfsres *nfsproc_statfs_2_svc(am_nfs_fh *, struct svc_req *);
72 /* global variables */
73 SVCXPRT *nfs_program_2_transp;
76 typedef char *(*nfssvcproc_t)(voidp, struct svc_req *);
80 nfs_program_2(struct svc_req *rqstp, SVCXPRT *transp)
83 am_nfs_fh nfsproc_getattr_2_arg;
84 nfssattrargs nfsproc_setattr_2_arg;
85 nfsdiropargs nfsproc_lookup_2_arg;
86 am_nfs_fh nfsproc_readlink_2_arg;
87 nfsreadargs nfsproc_read_2_arg;
88 nfswriteargs nfsproc_write_2_arg;
89 nfscreateargs nfsproc_create_2_arg;
90 nfsdiropargs nfsproc_remove_2_arg;
91 nfsrenameargs nfsproc_rename_2_arg;
92 nfslinkargs nfsproc_link_2_arg;
93 nfssymlinkargs nfsproc_symlink_2_arg;
94 nfscreateargs nfsproc_mkdir_2_arg;
95 nfsdiropargs fsproc_rmdir_2_arg;
96 nfsreaddirargs nfsproc_readdir_2_arg;
97 am_nfs_fh nfsproc_statfs_2_arg;
100 xdrproc_t xdr_argument, xdr_result;
102 struct sockaddr_in *sinp;
103 char dq[20], dq2[28];
105 sinp = amu_svc_getcaller(rqstp->rq_xprt);
106 #ifdef MNT2_NFS_OPT_RESVPORT
107 /* Verify that the request comes from a reserved port */
108 if ((ntohs(sinp->sin_port) >= IPPORT_RESERVED) &&
109 !(gopt.flags & CFM_NFS_INSECURE_PORT)) {
110 plog(XLOG_WARNING, "ignoring request from %s:%u, port not reserved",
111 inet_dquad(dq, sinp->sin_addr.s_addr),
112 ntohs(sinp->sin_port));
115 #endif /* MNT2_NFS_OPT_RESVPORT */
116 /* if the address does not match, ignore the request */
117 if (sinp->sin_addr.s_addr && sinp->sin_addr.s_addr != myipaddr.s_addr) {
118 plog(XLOG_WARNING, "ignoring request from %s:%u, expected %s",
119 inet_dquad(dq, sinp->sin_addr.s_addr),
120 ntohs(sinp->sin_port),
121 inet_dquad(dq2, myipaddr.s_addr));
125 nfs_program_2_transp = NULL;
127 switch (rqstp->rq_proc) {
130 xdr_argument = (xdrproc_t) xdr_void;
131 xdr_result = (xdrproc_t) xdr_void;
132 local = (nfssvcproc_t) nfsproc_null_2_svc;
135 case NFSPROC_GETATTR:
136 xdr_argument = (xdrproc_t) xdr_nfs_fh;
137 xdr_result = (xdrproc_t) xdr_attrstat;
138 local = (nfssvcproc_t) nfsproc_getattr_2_svc;
141 case NFSPROC_SETATTR:
142 xdr_argument = (xdrproc_t) xdr_sattrargs;
143 xdr_result = (xdrproc_t) xdr_attrstat;
144 local = (nfssvcproc_t) nfsproc_setattr_2_svc;
148 xdr_argument = (xdrproc_t) xdr_void;
149 xdr_result = (xdrproc_t) xdr_void;
150 local = (nfssvcproc_t) nfsproc_root_2_svc;
154 xdr_argument = (xdrproc_t) xdr_diropargs;
155 xdr_result = (xdrproc_t) xdr_diropres;
156 local = (nfssvcproc_t) nfsproc_lookup_2_svc;
158 * Cheap way to pass transp down to amfs_auto_lookuppn so it can
159 * be stored in the am_node structure and later used for
162 nfs_program_2_transp = transp;
165 case NFSPROC_READLINK:
166 xdr_argument = (xdrproc_t) xdr_nfs_fh;
167 xdr_result = (xdrproc_t) xdr_readlinkres;
168 local = (nfssvcproc_t) nfsproc_readlink_2_svc;
172 xdr_argument = (xdrproc_t) xdr_readargs;
173 xdr_result = (xdrproc_t) xdr_readres;
174 local = (nfssvcproc_t) nfsproc_read_2_svc;
177 case NFSPROC_WRITECACHE:
178 xdr_argument = (xdrproc_t) xdr_void;
179 xdr_result = (xdrproc_t) xdr_void;
180 local = (nfssvcproc_t) nfsproc_writecache_2_svc;
184 xdr_argument = (xdrproc_t) xdr_writeargs;
185 xdr_result = (xdrproc_t) xdr_attrstat;
186 local = (nfssvcproc_t) nfsproc_write_2_svc;
190 xdr_argument = (xdrproc_t) xdr_createargs;
191 xdr_result = (xdrproc_t) xdr_diropres;
192 local = (nfssvcproc_t) nfsproc_create_2_svc;
196 xdr_argument = (xdrproc_t) xdr_diropargs;
197 xdr_result = (xdrproc_t) xdr_nfsstat;
198 local = (nfssvcproc_t) nfsproc_remove_2_svc;
202 xdr_argument = (xdrproc_t) xdr_renameargs;
203 xdr_result = (xdrproc_t) xdr_nfsstat;
204 local = (nfssvcproc_t) nfsproc_rename_2_svc;
208 xdr_argument = (xdrproc_t) xdr_linkargs;
209 xdr_result = (xdrproc_t) xdr_nfsstat;
210 local = (nfssvcproc_t) nfsproc_link_2_svc;
213 case NFSPROC_SYMLINK:
214 xdr_argument = (xdrproc_t) xdr_symlinkargs;
215 xdr_result = (xdrproc_t) xdr_nfsstat;
216 local = (nfssvcproc_t) nfsproc_symlink_2_svc;
220 xdr_argument = (xdrproc_t) xdr_createargs;
221 xdr_result = (xdrproc_t) xdr_diropres;
222 local = (nfssvcproc_t) nfsproc_mkdir_2_svc;
226 xdr_argument = (xdrproc_t) xdr_diropargs;
227 xdr_result = (xdrproc_t) xdr_nfsstat;
228 local = (nfssvcproc_t) nfsproc_rmdir_2_svc;
231 case NFSPROC_READDIR:
232 xdr_argument = (xdrproc_t) xdr_readdirargs;
233 xdr_result = (xdrproc_t) xdr_readdirres;
234 local = (nfssvcproc_t) nfsproc_readdir_2_svc;
238 xdr_argument = (xdrproc_t) xdr_nfs_fh;
239 xdr_result = (xdrproc_t) xdr_statfsres;
240 local = (nfssvcproc_t) nfsproc_statfs_2_svc;
244 svcerr_noproc(transp);
248 memset((char *) &argument, 0, sizeof(argument));
249 if (!svc_getargs(transp,
250 (XDRPROC_T_TYPE) xdr_argument,
251 (SVC_IN_ARG_TYPE) &argument)) {
253 "NFS xdr decode failed for %d %d %d",
254 (int) rqstp->rq_prog, (int) rqstp->rq_vers, (int) rqstp->rq_proc);
255 svcerr_decode(transp);
258 result = (*local) (&argument, rqstp);
260 nfs_program_2_transp = NULL;
262 if (result != NULL && !svc_sendreply(transp,
263 (XDRPROC_T_TYPE) xdr_result,
265 svcerr_systemerr(transp);
267 if (!svc_freeargs(transp,
268 (XDRPROC_T_TYPE) xdr_argument,
269 (SVC_IN_ARG_TYPE) & argument)) {
270 plog(XLOG_FATAL, "unable to free rpc arguments in nfs_program_2");