2 * Copyright (c) 1997-1999 Erez Zadok
3 * Copyright (c) 1990 Jan-Simon Pendry
4 * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
5 * Copyright (c) 1990 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: amq_subr.c,v 1.5 1999/08/24 21:31:06 ezk Exp $
42 * $FreeBSD: src/contrib/amd/amd/amq_subr.c,v 1.5 1999/09/15 05:45:13 obrien Exp $
46 * Auxiliary routines for amq tool
51 #endif /* HAVE_CONFIG_H */
55 /* forward definitions */
56 bool_t xdr_amq_mount_tree_node(XDR *xdrs, amq_mount_tree *objp);
57 bool_t xdr_amq_mount_subtree(XDR *xdrs, amq_mount_tree *objp);
61 amqproc_null_1_svc(voidp argp, struct svc_req *rqstp)
70 * Return a sub-tree of mounts
73 amqproc_mnttree_1_svc(voidp argp, struct svc_req *rqstp)
77 mp = find_ap(*(char **) argp);
78 return (amq_mount_tree_p *) ∓
83 * Unmount a single node
86 amqproc_umnt_1_svc(voidp argp, struct svc_req *rqstp)
89 am_node *mp = find_ap(*(char **) argp);
92 forcibly_timeout_mp(mp);
99 * Return global statistics
102 amqproc_stats_1_svc(voidp argp, struct svc_req *rqstp)
104 return (amq_mount_stats *) &amd_stats;
109 * Return the entire tree of mount nodes
111 amq_mount_tree_list *
112 amqproc_export_1_svc(voidp argp, struct svc_req *rqstp)
114 static amq_mount_tree_list aml;
116 aml.amq_mount_tree_list_val = (amq_mount_tree_p *) &exported_ap[0];
117 aml.amq_mount_tree_list_len = 1; /* XXX */
124 amqproc_setopt_1_svc(voidp argp, struct svc_req *rqstp)
127 amq_setopt *opt = (amq_setopt *) argp;
131 switch (opt->as_opt) {
135 if (debug_option(opt->as_str))
141 if (gopt.logfile && opt->as_str
142 && STREQ(gopt.logfile, opt->as_str)) {
143 if (switch_to_logfile(opt->as_str, orig_umask))
151 if (switch_option(opt->as_str))
155 case AMOPT_FLUSHMAPC:
156 if (amd_state == Run) {
157 plog(XLOG_INFO, "amq says flush cache");
159 flush_nfs_fhandle_cache((fserver *) 0);
160 flush_srvr_nfs_cache();
169 amq_mount_info_list *
170 amqproc_getmntfs_1_svc(voidp argp, struct svc_req *rqstp)
172 return (amq_mount_info_list *) &mfhead; /* XXX */
175 #ifdef ENABLE_AMQ_MOUNT
177 * This is code that is vulnerable to IP spoofing attacks. Unless you
178 * absolutely need it, I suggest you do not enable it
179 * (using configure --enable-amq-mount)
182 ok_security(struct svc_req *rqstp)
184 struct sockaddr_in *sin = (struct sockaddr_in *) NULL;
186 if ((sin = amu_svc_getcaller(rqstp->rq_xprt)) == NULL) {
187 plog(XLOG_ERROR, "amu_svc_getcaller returned NULL");
188 return(0); /* assume security is therefore not OK */
191 if (ntohs(sin->sin_port) >= IPPORT_RESERVED ||
192 !(sin->sin_addr.s_addr == htonl(0x7f000001) ||
193 sin->sin_addr.s_addr == myipaddr.s_addr)) {
195 plog(XLOG_INFO, "AMQ request from %s.%d DENIED",
196 inet_dquad(dq, sin->sin_addr.s_addr),
197 ntohs(sin->sin_port));
206 amqproc_mount_1_svc(voidp argp, struct svc_req *rqstp)
208 static int rc = EINVAL;
212 struct sockaddr_in *sin;
214 if ((sin = amu_svc_getcaller(rqstp->rq_xprt)) == NULL) {
215 plog(XLOG_ERROR, "amu_svc_getcaller returned NULL");
219 strncpy(s, *(amq_string *) argp, AMQ_STRLEN-1);
220 s[AMQ_STRLEN-1] = '\0'; /* null terminate, to be sure */
222 "amq requested mount of %s from %s.%d",
223 s, inet_dquad(dq, sin->sin_addr.s_addr),
224 ntohs(sin->sin_port));
227 * Minimalist security check.
229 if (!ok_security(rqstp)) {
236 for (cp = (char *) s; *cp && (!isascii(*cp) || !isspace(*cp)); cp++) ;
239 plog(XLOG_INFO, "amqproc_mount: Invalid arguments");
246 * Find start of value
248 while (*cp && isascii(*cp) && isspace(*cp))
251 root_newmap(s, cp, (char *) 0, NULL);
252 rc = mount_auto_node(s, (voidp) root_node);
257 #endif /* ENABLE_AMQ_MOUNT */
261 amqproc_getvers_1_svc(voidp argp, struct svc_req *rqstp)
263 static amq_string res;
265 res = get_version_string();
270 /* get PID of remote amd */
272 amqproc_getpid_1_svc(voidp argp, struct svc_req *rqstp)
287 xdr_amq_setopt(XDR *xdrs, amq_setopt *objp)
289 if (!xdr_enum(xdrs, (enum_t *) & objp->as_opt)) {
292 if (!xdr_string(xdrs, &objp->as_str, AMQ_STRLEN)) {
300 * More XDR routines - Should be used for OUTPUT ONLY.
303 xdr_amq_mount_tree_node(XDR *xdrs, amq_mount_tree *objp)
305 am_node *mp = (am_node *) objp;
308 if (!xdr_amq_string(xdrs, &mp->am_mnt->mf_info)) {
311 if (!xdr_amq_string(xdrs, &mp->am_path)) {
314 if (!xdr_amq_string(xdrs, mp->am_link ? &mp->am_link : &mp->am_mnt->mf_mount)) {
317 if (!xdr_amq_string(xdrs, &mp->am_mnt->mf_ops->fs_type)) {
320 mtime = mp->am_stats.s_mtime;
321 if (!xdr_long(xdrs, &mtime)) {
324 if (!xdr_u_short(xdrs, &mp->am_stats.s_uid)) {
327 if (!xdr_int(xdrs, &mp->am_stats.s_getattr)) {
330 if (!xdr_int(xdrs, &mp->am_stats.s_lookup)) {
333 if (!xdr_int(xdrs, &mp->am_stats.s_readdir)) {
336 if (!xdr_int(xdrs, &mp->am_stats.s_readlink)) {
339 if (!xdr_int(xdrs, &mp->am_stats.s_statfs)) {
347 xdr_amq_mount_subtree(XDR *xdrs, amq_mount_tree *objp)
349 am_node *mp = (am_node *) objp;
351 if (!xdr_amq_mount_tree_node(xdrs, objp)) {
354 if (!xdr_pointer(xdrs, (char **) &mp->am_osib, sizeof(amq_mount_tree), (XDRPROC_T_TYPE) xdr_amq_mount_subtree)) {
357 if (!xdr_pointer(xdrs, (char **) &mp->am_child, sizeof(amq_mount_tree), (XDRPROC_T_TYPE) xdr_amq_mount_subtree)) {
365 xdr_amq_mount_tree(XDR *xdrs, amq_mount_tree *objp)
367 am_node *mp = (am_node *) objp;
370 if (!xdr_amq_mount_tree_node(xdrs, objp)) {
373 if (!xdr_pointer(xdrs, (char **) &mnil, sizeof(amq_mount_tree), (XDRPROC_T_TYPE) xdr_amq_mount_subtree)) {
376 if (!xdr_pointer(xdrs, (char **) &mp->am_child, sizeof(amq_mount_tree), (XDRPROC_T_TYPE) xdr_amq_mount_subtree)) {
384 xdr_amq_mount_tree_p(XDR *xdrs, amq_mount_tree_p *objp)
386 if (!xdr_pointer(xdrs, (char **) objp, sizeof(amq_mount_tree), (XDRPROC_T_TYPE) xdr_amq_mount_tree)) {
394 xdr_amq_mount_stats(XDR *xdrs, amq_mount_stats *objp)
396 if (!xdr_int(xdrs, &objp->as_drops)) {
399 if (!xdr_int(xdrs, &objp->as_stale)) {
402 if (!xdr_int(xdrs, &objp->as_mok)) {
405 if (!xdr_int(xdrs, &objp->as_merr)) {
408 if (!xdr_int(xdrs, &objp->as_uerr)) {
417 xdr_amq_mount_tree_list(XDR *xdrs, amq_mount_tree_list *objp)
420 (char **) &objp->amq_mount_tree_list_val,
421 (u_int *) &objp->amq_mount_tree_list_len,
423 sizeof(amq_mount_tree_p),
424 (XDRPROC_T_TYPE) xdr_amq_mount_tree_p)) {
433 * Compute length of list
436 xdr_amq_mount_info_qelem(XDR *xdrs, qelem *qhead)
441 for (mf = AM_LAST(mntfs, qhead); mf != HEAD(mntfs, qhead); mf = PREV(mntfs, mf)) {
442 if (!(mf->mf_ops->fs_flags & FS_AMQINFO))
446 xdr_u_int(xdrs, &len);
449 * Send individual data items
451 for (mf = AM_LAST(mntfs, qhead); mf != HEAD(mntfs, qhead); mf = PREV(mntfs, mf)) {
453 if (!(mf->mf_ops->fs_flags & FS_AMQINFO))
456 if (!xdr_amq_string(xdrs, &mf->mf_ops->fs_type)) {
459 if (!xdr_amq_string(xdrs, &mf->mf_mount)) {
462 if (!xdr_amq_string(xdrs, &mf->mf_info)) {
465 if (!xdr_amq_string(xdrs, &mf->mf_server->fs_host)) {
468 if (!xdr_int(xdrs, &mf->mf_error)) {
471 if (!xdr_int(xdrs, &mf->mf_refc)) {
474 if (mf->mf_server->fs_flags & FSF_ERROR)
477 switch (mf->mf_server->fs_flags & (FSF_DOWN | FSF_VALID)) {
478 case FSF_DOWN | FSF_VALID:
488 if (!xdr_int(xdrs, &up)) {
497 xdr_pri_free(XDRPROC_T_TYPE xdr_args, caddr_t args_ptr)
502 return ((*xdr_args) (&xdr, (caddr_t *) args_ptr));