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authorTheo de Raadt <deraadt@cvs.openbsd.org>1996-07-20 05:02:37 +0000
committerTheo de Raadt <deraadt@cvs.openbsd.org>1996-07-20 05:02:37 +0000
commit37718374e807c20c9233c1a4fbf61bbfa8ff4319 (patch)
tree7128778a06953f25e96307a0d61801162fea03dd
parent9e452f17155724d1780c6cb50d5874f4cf95abb2 (diff)
rpc.lockd from freebsd; has a problem yet
-rw-r--r--libexec/rpc.lockd/Makefile26
-rw-r--r--libexec/rpc.lockd/handles.c58
-rw-r--r--libexec/rpc.lockd/lockd.c113
-rw-r--r--libexec/rpc.lockd/lockd.h44
-rw-r--r--libexec/rpc.lockd/procs.c588
-rw-r--r--libexec/rpc.lockd/rpc.lockd.894
-rw-r--r--libexec/rpc.lockd/test.c362
-rw-r--r--usr.sbin/rpc.lockd/Makefile26
-rw-r--r--usr.sbin/rpc.lockd/handles.c58
-rw-r--r--usr.sbin/rpc.lockd/lockd.c113
-rw-r--r--usr.sbin/rpc.lockd/lockd.h44
-rw-r--r--usr.sbin/rpc.lockd/procs.c588
-rw-r--r--usr.sbin/rpc.lockd/rpc.lockd.894
-rw-r--r--usr.sbin/rpc.lockd/test.c362
14 files changed, 2570 insertions, 0 deletions
diff --git a/libexec/rpc.lockd/Makefile b/libexec/rpc.lockd/Makefile
new file mode 100644
index 00000000000..b016e67d648
--- /dev/null
+++ b/libexec/rpc.lockd/Makefile
@@ -0,0 +1,26 @@
+# $Id: Makefile,v 1.1 1996/07/20 05:02:34 deraadt Exp $
+
+PROG = rpc.lockd
+SRCS = nlm_prot_svc.c lockd.c procs.c
+MAN8 = rpc.lockd.8
+
+DPADD= ${LIBRPCSVC}
+LDADD= -lrpcsvc
+
+CFLAGS+= -I.
+
+CLEANFILES= nlm_prot_svc.c nlm_prot.h
+
+RPCSRC= ${.DESTDIR}/usr/include/rpcsvc/nlm_prot.x
+RPCGEN= rpcgen -L -C
+
+nlm_prot_svc.c: ${RPCSRC} nlm_prot.h
+ ${RPCGEN} -m -o ${.TARGET} ${RPCSRC}
+
+nlm_prot.h: ${RPCSRC}
+ ${RPCGEN} -h -o ${.TARGET} ${RPCSRC}
+
+test: test.c
+ cc -o test test.c -lrpcsvc
+
+.include <bsd.prog.mk>
diff --git a/libexec/rpc.lockd/handles.c b/libexec/rpc.lockd/handles.c
new file mode 100644
index 00000000000..047f6d23ee3
--- /dev/null
+++ b/libexec/rpc.lockd/handles.c
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 1995
+ * A.R. Gordon (andrew.gordon@net-tel.co.uk). All rights reserved.
+ *
+ * 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 acknowledgement:
+ * This product includes software developed for the FreeBSD project
+ * 4. Neither the name of the author nor the names of any co-contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY ANDREW GORDON 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 AUTHOR 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 "nlm_prot.h"
+
+/* ------------------------------------------------------------------------- */
+/*
+
+
+* need to find all fds in use by a host and free them when host crashes
+ (need not be efficient)
+
+* need to find fd corresponding to <inode, device>
+
+*/
+
+typedef struct fdinfo
+{
+ int fd; /* The file descriptor itself */
+ int ref_count; /* Count of hosts using the fd - fd is */
+ /* closed when this reaches zero */
+ ino_t inode_no; /* The inode number of this file. */
+ dev_t device; /* device on which the file lives. */
+ struct fdinfo *next; /* Chain of FdInfo structures */
+ struct fdinfo *prev;
+} FdInfo;
diff --git a/libexec/rpc.lockd/lockd.c b/libexec/rpc.lockd/lockd.c
new file mode 100644
index 00000000000..a0347d44142
--- /dev/null
+++ b/libexec/rpc.lockd/lockd.c
@@ -0,0 +1,113 @@
+/*
+ * Copyright (c) 1995
+ * A.R. Gordon (andrew.gordon@net-tel.co.uk). All rights reserved.
+ *
+ * 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 acknowledgement:
+ * This product includes software developed for the FreeBSD project
+ * 4. Neither the name of the author nor the names of any co-contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY ANDREW GORDON 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 AUTHOR 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.
+ *
+ */
+
+
+/* main() function for NFS lock daemon. Most of the code in this */
+/* file was generated by running rpcgen /usr/include/rpcsvc/nlm_prot.x */
+/* The actual program logic is in the file procs.c */
+
+#include "lockd.h"
+
+extern void nlm_prog_1 __P((struct svc_req, register SVCXPRT));
+extern void nlm_prog_3 __P((struct svc_req, register SVCXPRT));
+
+int debug_level = 0; /* Zero means no debugging syslog() calls */
+
+
+main(int argc, char **argv)
+{
+ SVCXPRT *transp;
+
+ if (argc > 1)
+ {
+ if (strncmp(argv[1], "-d", 2))
+ {
+ fprintf(stderr, "Usage: rpc.lockd [-d [<debuglevel>]]\n");
+ exit(1);
+ }
+ if (argc > 2) debug_level = atoi(argv[2]);
+ else debug_level = atoi(argv[1] + 2);
+ /* Ensure at least some debug if -d with no specified level */
+ if (!debug_level) debug_level = 1;
+ }
+
+ (void)pmap_unset(NLM_PROG, NLM_VERS);
+ (void)pmap_unset(NLM_PROG, NLM_VERSX);
+
+ transp = svcudp_create(RPC_ANYSOCK);
+ if (transp == NULL)
+ {
+ (void)fprintf(stderr, "cannot create udp service.\n");
+ exit(1);
+ }
+ if (!svc_register(transp, NLM_PROG, NLM_VERS, (void (*)())nlm_prog_1, IPPROTO_UDP))
+ {
+ (void)fprintf(stderr, "unable to register (NLM_PROG, NLM_VERS, udp).\n");
+ exit(1);
+ }
+ if (!svc_register(transp, NLM_PROG, NLM_VERSX, (void (*)())nlm_prog_3, IPPROTO_UDP))
+ {
+ (void)fprintf(stderr, "unable to register (NLM_PROG, NLM_VERSX, udp).\n");
+ exit(1);
+ }
+
+ transp = svctcp_create(RPC_ANYSOCK, 0, 0);
+ if (transp == NULL)
+ {
+ (void)fprintf(stderr, "cannot create tcp service.\n");
+ exit(1);
+ }
+ if (!svc_register(transp, NLM_PROG, NLM_VERS, (void (*)())nlm_prog_1, IPPROTO_TCP))
+ {
+ (void)fprintf(stderr, "unable to register (NLM_PROG, NLM_VERS, tcp).\n");
+ exit(1);
+ }
+ if (!svc_register(transp, NLM_PROG, NLM_VERSX, (void (*)())nlm_prog_3, IPPROTO_TCP))
+ {
+ (void)fprintf(stderr, "unable to register (NLM_PROG, NLM_VERSX, tcp).\n");
+ exit(1);
+ }
+
+ /* Note that it is NOT sensible to run this program from inetd - the */
+ /* protocol assumes that it will run immediately at boot time. */
+ if (daemon(0,0)) {
+ perror("cannot fork");
+ exit(1);
+ }
+ openlog("rpc.lockd", 0, LOG_DAEMON);
+ if (debug_level) syslog(LOG_INFO, "Starting, debug level %d", debug_level);
+ else syslog(LOG_INFO, "Starting");
+
+ svc_run(); /* Should never return */
+ exit(1);
+}
diff --git a/libexec/rpc.lockd/lockd.h b/libexec/rpc.lockd/lockd.h
new file mode 100644
index 00000000000..39586bfd77a
--- /dev/null
+++ b/libexec/rpc.lockd/lockd.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 1995
+ * A.R. Gordon (andrew.gordon@net-tel.co.uk). All rights reserved.
+ *
+ * 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 acknowledgement:
+ * This product includes software developed for the FreeBSD project
+ * 4. Neither the name of the author nor the names of any co-contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY ANDREW GORDON 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 AUTHOR 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 <stdio.h>
+#include <rpc/rpc.h>
+#include <syslog.h>
+#include <rpcsvc/sm_inter.h> /* protocol to talk to rpc.statd */
+#include "nlm_prot.h" /* The protocol we are implementing */
+
+
+/* global variables ------------------------------------------------------- */
+extern int debug_level;
diff --git a/libexec/rpc.lockd/procs.c b/libexec/rpc.lockd/procs.c
new file mode 100644
index 00000000000..54e5f814ceb
--- /dev/null
+++ b/libexec/rpc.lockd/procs.c
@@ -0,0 +1,588 @@
+/*
+ * Copyright (c) 1995
+ * A.R. Gordon (andrew.gordon@net-tel.co.uk). All rights reserved.
+ *
+ * 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 acknowledgement:
+ * This product includes software developed for the FreeBSD project
+ * 4. Neither the name of the author nor the names of any co-contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY ANDREW GORDON 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 AUTHOR 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 "lockd.h"
+
+#include <sys/param.h> /* for MAXHOSTNAMELEN */
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <netdb.h>
+
+
+#define CLIENT_CACHE_SIZE 64 /* No. of client sockets cached */
+#define CLIENT_CACHE_LIFETIME 120 /* In seconds */
+
+
+/* log_from_addr ----------------------------------------------------------- */
+/*
+ Purpose: Log name of function called and source address
+ Returns: Nothing
+ Notes: Extracts the source address from the transport handle
+ passed in as part of the called procedure specification
+*/
+
+static void log_from_addr(char *fun_name, struct svc_req *req)
+{
+ struct sockaddr_in *addr;
+ struct hostent *host;
+ char hostname_buf[40];
+
+ addr = svc_getcaller(req->rq_xprt);
+ host = gethostbyaddr((char *)&(addr->sin_addr), addr->sin_len, AF_INET);
+ if (host)
+ {
+ strncpy(hostname_buf, host->h_name, sizeof(hostname_buf));
+ hostname_buf[sizeof(hostname_buf) -1] = '\0';
+ }
+ else /* No hostname available - print raw address */
+ {
+ strcpy(hostname_buf, inet_ntoa(addr->sin_addr));
+ }
+
+ syslog(LOG_DEBUG, "%s from %s", fun_name, hostname_buf);
+}
+
+
+/* get_client -------------------------------------------------------------- */
+/*
+ Purpose: Get a CLIENT* for making RPC calls to lockd on given host
+ Returns: CLIENT* pointer, from clnt_udp_create, or NULL if error
+ Notes: Creating a CLIENT* is quite expensive, involving a
+ conversation with the remote portmapper to get the
+ port number. Since a given client is quite likely
+ to make several locking requests in succession, it is
+ desirable to cache the created CLIENT*.
+
+ Since we are using UDP rather than TCP, there is no cost
+ to the remote system in keeping these cached indefinitely.
+ Unfortunately there is a snag: if the remote system
+ reboots, the cached portmapper results will be invalid,
+ and we will never detect this since all of the xxx_msg()
+ calls return no result - we just fire off a udp packet
+ and hope for the best.
+
+ We solve this by discarding cached values after two
+ minutes, regardless of whether they have been used
+ in the meanwhile (since a bad one might have been used
+ plenty of times, as the host keeps retrying the request
+ and we keep sending the reply back to the wrong port).
+
+ Given that the entries will always expire in the order
+ that they were created, there is no point in a LRU
+ algorithm for when the cache gets full - entries are
+ always re-used in sequence.
+*/
+
+static CLIENT *clnt_cache_ptr[CLIENT_CACHE_SIZE];
+static long clnt_cache_time[CLIENT_CACHE_SIZE]; /* time entry created */
+static struct in_addr clnt_cache_addr[CLIENT_CACHE_SIZE];
+static int clnt_cache_next_to_use = 0;
+
+static CLIENT *get_client(struct sockaddr_in *host_addr)
+{
+ CLIENT *client;
+ int sock_no;
+ struct timeval retry_time, time_now;
+ int i;
+
+ gettimeofday(&time_now, NULL);
+
+ /* Search for the given client in the cache, zapping any expired */
+ /* entries that we happen to notice in passing. */
+ for (i = 0; i < CLIENT_CACHE_SIZE; i++)
+ {
+ client = clnt_cache_ptr[i];
+ if (client &&
+ ((clnt_cache_time[i] + CLIENT_CACHE_LIFETIME) < time_now.tv_sec))
+ {
+ /* Cache entry has expired. */
+ if (debug_level > 3) syslog(LOG_DEBUG, "Expired CLIENT* in cache");
+ clnt_cache_time[i] = 0L;
+ clnt_destroy(client);
+ clnt_cache_ptr[i] = NULL;
+ client = NULL;
+ }
+
+ if (client && !memcmp(&clnt_cache_addr[i], &host_addr->sin_addr,
+ sizeof(struct in_addr)))
+ {
+ /* Found it! */
+ if (debug_level > 3) syslog(LOG_DEBUG, "Found CLIENT* in cache");
+ return (client);
+ }
+ }
+
+ /* Not found in cache. Free the next entry if it is in use */
+ if (clnt_cache_ptr[clnt_cache_next_to_use])
+ {
+ clnt_destroy(clnt_cache_ptr[clnt_cache_next_to_use]);
+ clnt_cache_ptr[clnt_cache_next_to_use] = NULL;
+ }
+
+ /* Create the new client handle */
+
+ sock_no = RPC_ANYSOCK;
+ retry_time.tv_sec = 5;
+ retry_time.tv_usec = 0;
+ host_addr->sin_port = 0; /* Force consultation with portmapper */
+ client = clntudp_create(host_addr, NLM_PROG, NLM_VERS, retry_time, &sock_no);
+ if (!client)
+ {
+ syslog(LOG_ERR, clnt_spcreateerror("clntudp_create"));
+ syslog(LOG_ERR, "Unable to return result to %s",
+ inet_ntoa(host_addr->sin_addr));
+ return NULL;
+ }
+
+ /* Success - update the cache entry */
+ clnt_cache_ptr[clnt_cache_next_to_use] = client;
+ clnt_cache_addr[clnt_cache_next_to_use] = host_addr->sin_addr;
+ clnt_cache_time[clnt_cache_next_to_use] = time_now.tv_sec;
+ if (++clnt_cache_next_to_use > CLIENT_CACHE_SIZE)
+ clnt_cache_next_to_use = 0;
+
+ /* Disable the default timeout, so we can specify our own in calls */
+ /* to clnt_call(). [note that the timeout is a different concept */
+ /* from the retry period set in clnt_udp_create() above.] */
+ retry_time.tv_sec = -1;
+ retry_time.tv_usec = -1;
+ clnt_control(client, CLSET_TIMEOUT, &retry_time);
+
+ if (debug_level > 3) syslog(LOG_DEBUG, "Created CLIENT* for %s",
+ inet_ntoa(host_addr->sin_addr));
+ return client;
+}
+
+
+/* transmit_result --------------------------------------------------------- */
+/*
+ Purpose: Transmit result for nlm_xxx_msg pseudo-RPCs
+ Returns: Nothing - we have no idea if the datagram got there
+ Notes: clnt_call() will always fail (with timeout) as we are
+ calling it with timeout 0 as a hack to just issue a datagram
+ without expecting a result
+*/
+
+static void transmit_result(int opcode, nlm_res *result, struct svc_req *req)
+{
+ static char dummy;
+ struct sockaddr_in *addr;
+ CLIENT *cli;
+ int success;
+ struct timeval timeo;
+
+ addr = svc_getcaller(req->rq_xprt);
+ if (cli = get_client(addr))
+ {
+ timeo.tv_sec = 0; /* No timeout - not expecting response */
+ timeo.tv_usec = 0;
+
+ success = clnt_call(cli, opcode, xdr_nlm_res, result, xdr_void,
+ &dummy, timeo);
+
+ if (debug_level > 2) syslog(LOG_DEBUG, "clnt_call returns %d\n", success);
+ }
+}
+
+/* ------------------------------------------------------------------------- */
+/*
+ Functions for Unix<->Unix locking (ie. monitored locking, with rpc.statd
+ involved to ensure reclaim of locks after a crash of the "stateless"
+ server.
+
+ These all come in two flavours - nlm_xxx() and nlm_xxx_msg().
+ The first are standard RPCs with argument and result.
+ The nlm_xxx_msg() calls implement exactly the same functions, but
+ use two pseudo-RPCs (one in each direction). These calls are NOT
+ standard use of the RPC protocol in that they do not return a result
+ at all (NB. this is quite different from returning a void result).
+ The effect of this is to make the nlm_xxx_msg() calls simple unacknowledged
+ datagrams, requiring higher-level code to perform retries.
+
+ Despite the disadvantages of the nlm_xxx_msg() approach (some of which
+ are documented in the comments to get_client() above), this is the
+ interface used by all current commercial NFS implementations
+ [Solaris, SCO, AIX etc.]. This is presumed to be because these allow
+ implementations to continue using the standard RPC libraries, while
+ avoiding the block-until-result nature of the library interface.
+
+ No client implementations have been identified so far that make use
+ of the true RPC version (early SunOS releases would be a likely candidate
+ for testing).
+*/
+
+
+/* nlm_test ---------------------------------------------------------------- */
+/*
+ Purpose: Test whether a specified lock would be granted if requested
+ Returns: nlm_granted (or error code)
+ Notes:
+*/
+
+nlm_testres *nlm_test_1_svc(nlm_testargs *arg, struct svc_req *rqstp)
+{
+ static nlm_testres res;
+ if (debug_level) log_from_addr("nlm_test", rqstp);
+
+ /* Copy the cookie from the argument into the result. Note that this */
+ /* is slightly hazardous, as the structure contains a pointer to a */
+ /* malloc()ed buffer that will get freed by the caller. However, the */
+ /* main function transmits the result before freeing the argument */
+ /* so it is in fact safe. */
+ res.cookie = arg->cookie;
+ res.stat.stat = nlm_granted;
+ return (&res);
+}
+
+void *nlm_test_msg_1_svc(nlm_testargs *arg, struct svc_req *rqstp)
+{
+ nlm_testres res;
+ static char dummy;
+ struct sockaddr_in *addr;
+ CLIENT *cli;
+ int success;
+ struct timeval timeo;
+
+ if (debug_level) log_from_addr("nlm_test_msg", rqstp);
+
+ res.cookie = arg->cookie;
+ res.stat.stat = nlm_granted;
+
+ /* nlm_test has different result type to the other operations, so */
+ /* can't use transmit_result() in this case */
+ addr = svc_getcaller(rqstp->rq_xprt);
+ if (cli = get_client(addr))
+ {
+ timeo.tv_sec = 0; /* No timeout - not expecting response */
+ timeo.tv_usec = 0;
+
+ success = clnt_call(cli, NLM_TEST_RES, xdr_nlm_testres, &res, xdr_void,
+ &dummy, timeo);
+
+ if (debug_level > 2) syslog(LOG_DEBUG, "clnt_call returns %d\n", success);
+ }
+ return (NULL);
+}
+
+/* nlm_lock ---------------------------------------------------------------- */
+/*
+ Purposes: Establish a lock
+ Returns: granted, denied or blocked
+ Notes: *** grace period support missing
+*/
+
+nlm_res *nlm_lock_1_svc(nlm_lockargs *arg, struct svc_req *rqstp)
+{
+ static nlm_res res;
+ if (debug_level) log_from_addr("nlm_lock", rqstp);
+
+ /* copy cookie from arg to result. See comment in nlm_test_1() */
+ res.cookie = arg->cookie;
+
+ res.stat.stat = nlm_granted;
+ return (&res);
+}
+
+void *nlm_lock_msg_1_svc(nlm_lockargs *arg, struct svc_req *rqstp)
+{
+ static nlm_res res;
+
+ if (debug_level) log_from_addr("nlm_lock_msg", rqstp);
+
+ res.cookie = arg->cookie;
+ res.stat.stat = nlm_granted;
+ transmit_result(NLM_LOCK_RES, &res, rqstp);
+
+ return (NULL);
+}
+
+/* nlm_cancel -------------------------------------------------------------- */
+/*
+ Purpose: Cancel a blocked lock request
+ Returns: granted or denied
+ Notes:
+*/
+
+nlm_res *nlm_cancel_1_svc(nlm_cancargs *arg, struct svc_req *rqstp)
+{
+ static nlm_res res;
+ if (debug_level) log_from_addr("nlm_cancel", rqstp);
+
+ /* copy cookie from arg to result. See comment in nlm_test_1() */
+ res.cookie = arg->cookie;
+
+ /* Since at present we never return 'nlm_blocked', there can never be */
+ /* a lock to cancel, so this call always fails. */
+ res.stat.stat = nlm_denied;
+ return (&res);
+}
+
+void *nlm_cancel_msg_1_svc(nlm_cancargs *arg, struct svc_req *rqstp)
+{
+ static nlm_res res;
+ if (debug_level) log_from_addr("nlm_cancel_msg", rqstp);
+
+ res.cookie = arg->cookie;
+ /* Since at present we never return 'nlm_blocked', there can never be */
+ /* a lock to cancel, so this call always fails. */
+ res.stat.stat = nlm_denied;
+ transmit_result(NLM_CANCEL_RES, &res, rqstp);
+ return (NULL);
+}
+
+/* nlm_unlock -------------------------------------------------------------- */
+/*
+ Purpose: Release an existing lock
+ Returns: Always granted, unless during grace period
+ Notes: "no such lock" error condition is ignored, as the
+ protocol uses unreliable UDP datagrams, and may well
+ re-try an unlock that has already succeeded.
+*/
+
+nlm_res *nlm_unlock_1_svc(nlm_unlockargs *arg, struct svc_req *rqstp)
+{
+ static nlm_res res;
+ if (debug_level) log_from_addr("nlm_unlock", rqstp);
+
+ res.stat.stat= nlm_granted;
+ res.cookie = arg->cookie;
+
+ return (&res);
+}
+
+void *nlm_unlock_msg_1_svc(nlm_unlockargs *arg, struct svc_req *rqstp)
+{
+ static nlm_res res;
+ if (debug_level) log_from_addr("nlm_unlock_msg", rqstp);
+
+ res.stat.stat = nlm_granted;
+ res.cookie = arg->cookie;
+
+ transmit_result(NLM_UNLOCK_RES, &res, rqstp);
+ return (NULL);
+}
+
+/* ------------------------------------------------------------------------- */
+/*
+ Client-side pseudo-RPCs for results. Note that for the client there
+ are only nlm_xxx_msg() versions of each call, since the 'real RPC'
+ version returns the results in the RPC result, and so the client
+ does not normally receive incoming RPCs.
+
+ The exception to this is nlm_granted(), which is genuinely an RPC
+ call from the server to the client - a 'call-back' in normal procedure
+ call terms.
+*/
+
+/* nlm_granted ------------------------------------------------------------- */
+/*
+ Purpose: Receive notification that formerly blocked lock now granted
+ Returns: always success ('granted')
+ Notes:
+*/
+
+nlm_res *nlm_granted_1_svc(nlm_testargs *arg, struct svc_req *rqstp)
+{
+ static nlm_res res;
+ if (debug_level) log_from_addr("nlm_granted", rqstp);
+
+ /* copy cookie from arg to result. See comment in nlm_test_1() */
+ res.cookie = arg->cookie;
+
+ res.stat.stat = nlm_granted;
+ return (&res);
+}
+
+void *nlm_granted_msg_1_svc(nlm_testargs *arg, struct svc_req *rqstp)
+{
+ nlm_res res;
+ if (debug_level) log_from_addr("nlm_granted_msg", rqstp);
+
+ res.cookie = arg->cookie;
+ res.stat.stat = nlm_granted;
+ transmit_result(NLM_GRANTED_RES, &res, rqstp);
+ return (NULL);
+}
+
+/* nlm_test_res ------------------------------------------------------------ */
+/*
+ Purpose: Accept result from earlier nlm_test_msg() call
+ Returns: Nothing
+*/
+
+void *nlm_test_res_1_svc(nlm_testres *arg, struct svc_req *rqstp)
+{
+ if (debug_level) log_from_addr("nlm_test_res", rqstp);
+ return (NULL);
+}
+
+/* nlm_lock_res ------------------------------------------------------------ */
+/*
+ Purpose: Accept result from earlier nlm_lock_msg() call
+ Returns: Nothing
+*/
+
+void *nlm_lock_res_1_svc(nlm_res *arg, struct svc_req *rqstp)
+{
+ if (debug_level) log_from_addr("nlm_lock_res", rqstp);
+
+ return (NULL);
+}
+
+/* nlm_cancel_res ---------------------------------------------------------- */
+/*
+ Purpose: Accept result from earlier nlm_cancel_msg() call
+ Returns: Nothing
+*/
+
+void *nlm_cancel_res_1_svc(nlm_res *arg, struct svc_req *rqstp)
+{
+ if (debug_level) log_from_addr("nlm_cancel_res", rqstp);
+ return (NULL);
+}
+
+/* nlm_unlock_res ---------------------------------------------------------- */
+/*
+ Purpose: Accept result from earlier nlm_unlock_msg() call
+ Returns: Nothing
+*/
+
+void *nlm_unlock_res_1_svc(nlm_res *arg, struct svc_req *rqstp)
+{
+ if (debug_level) log_from_addr("nlm_unlock_res", rqstp);
+ return (NULL);
+}
+
+/* nlm_granted_res --------------------------------------------------------- */
+/*
+ Purpose: Accept result from earlier nlm_granted_msg() call
+ Returns: Nothing
+*/
+
+void *nlm_granted_res_1_svc(nlm_res *arg, struct svc_req *rqstp)
+{
+ if (debug_level) log_from_addr("nlm_granted_res", rqstp);
+ return (NULL);
+}
+
+/* ------------------------------------------------------------------------- */
+/*
+ Calls for PCNFS locking (aka non-monitored locking, no involvement
+ of rpc.statd).
+
+ These are all genuine RPCs - no nlm_xxx_msg() nonsense here.
+*/
+
+
+/* nlm_share --------------------------------------------------------------- */
+/*
+ Purpose: Establish a DOS-style lock
+ Returns: success or failure
+ Notes: Blocking locks are not supported - client is expected
+ to retry if required.
+*/
+
+nlm_shareres *nlm_share_3_svc(nlm_shareargs *arg, struct svc_req *rqstp)
+{
+ static nlm_shareres res;
+ if (debug_level) log_from_addr("nlm_share", rqstp);
+
+ res.cookie = arg->cookie;
+ res.stat = nlm_granted;
+ res.sequence = 1234356; /* X/Open says this field is ignored? */
+ return (&res);
+}
+
+/* nlm_unshare ------------------------------------------------------------ */
+/*
+ Purpose: Release a DOS-style lock
+ Returns: nlm_granted, unless in grace period
+ Notes:
+*/
+
+nlm_shareres *nlm_unshare_3_svc(nlm_shareargs *arg, struct svc_req *rqstp)
+{
+ static nlm_shareres res;
+ if (debug_level) log_from_addr("nlm_unshare", rqstp);
+
+ res.cookie = arg->cookie;
+ res.stat = nlm_granted;
+ res.sequence = 1234356; /* X/Open says this field is ignored? */
+ return (&res);
+}
+
+/* nlm_nm_lock ------------------------------------------------------------ */
+/*
+ Purpose: non-monitored version of nlm_lock()
+ Returns: as for nlm_lock()
+ Notes: These locks are in the same style as the standard nlm_lock,
+ but the rpc.statd should not be called to establish a
+ monitor for the client machine, since that machine is
+ declared not to be running a rpc.statd, and so would not
+ respond to the statd protocol.
+*/
+
+nlm_res *nlm_nm_lock_3_svc(nlm_lockargs *arg, struct svc_req *rqstp)
+{
+ static nlm_res res;
+ if (debug_level) log_from_addr("nlm_nm_lock", rqstp);
+
+ /* copy cookie from arg to result. See comment in nlm_test_1() */
+ res.cookie = arg->cookie;
+ res.stat.stat = nlm_granted;
+ return (&res);
+}
+
+/* nlm_free_all ------------------------------------------------------------ */
+/*
+ Purpose: Release all locks held by a named client
+ Returns: Nothing
+ Notes: Potential denial of service security problem here - the
+ locks to be released are specified by a host name, independent
+ of the address from which the request has arrived.
+ Should probably be rejected if the named host has been
+ using monitored locks.
+*/
+
+void *nlm_free_all_3_svc(nlm_notify *arg, struct svc_req *rqstp)
+{
+ static char dummy;
+
+ if (debug_level) log_from_addr("nlm_free_all", rqstp);
+ return (&dummy);
+}
+
+
diff --git a/libexec/rpc.lockd/rpc.lockd.8 b/libexec/rpc.lockd/rpc.lockd.8
new file mode 100644
index 00000000000..8526e24825f
--- /dev/null
+++ b/libexec/rpc.lockd/rpc.lockd.8
@@ -0,0 +1,94 @@
+.\" -*- nroff -*-
+.\"
+.\" Copyright (c) 1995 A.R.Gordon, andrew.gordon@net-tel.co.uk
+.\" All rights reserved.
+.\"
+.\" 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 acknowledgement:
+.\" 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 AUTHOR 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 AUTHOR 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.
+.\"
+.\"
+.Dd September 24, 1995
+.Dt RPC.LOCKD 8
+.Os
+.Sh NAME
+.Nm rpc.lockd
+.Nd NFS file locking daemon
+.Sh SYNOPSIS
+.Nm rpc.lockd
+.Op Fl d Op Ar debug_level
+.Sh DESCRIPTION
+.Nm rpc.rstatd
+is a daemon which provides file- and record-locking services in an NFS
+environment.
+.Pp
+Options and operands available for
+.Nm rpc.lockd :
+.Bl -tag -width Ds
+.It Fl d
+The
+.Fl d
+option causes debugging information to be written to syslog, recording
+all RPC transations to the daemon. These messages are logged with level
+LOG_DEBUG and facility LOG_DAEMON. If debug_level is not specified,
+level 1 is assumed, giving one log line per protocol operation. Higher
+debug levels can be specified, causing display of operation arguments
+and internal operations of the daemon.
+.El
+.Pp
+Error conditions are logged to syslog, irrespecive of the debug level,
+using log level LOG_ERR and facility LOG_DAEMON.
+.Pp
+The
+.Nm rpc.lockd
+daemon must NOT be invoked by
+.Xr inetd 8
+because the protocol assumes that the daemon will run from system start time.
+Instead, it should be run from
+.Xr rc 8
+after the network has been started.
+.Sh FILES
+.Bl -tag -width /usr/include/rpcsvc/nlm_prot.x -compact
+.It Pa /usr/include/rpcsvc/nlm_prot.x
+RPC protocol specification for the network lock manager protocol.
+.El
+.Sh SEE ALSO
+.Xr rpc.statd 8 ,
+.Xr rc 8 ,
+.Xr syslog 3
+.Sh BUGS
+The current implementation provides only the server side of the protocol
+(ie. clients running other OS types can establish locks on a FreeBSD fileserver,
+but there is currently no means for a FreeBSD client to establish locks).
+.Pp
+Versions 1, 2 and 3 of the protocol are supported. However, only versions
+2 (Unix systems) and 3 (PC-NFS clients) seem to be in common use - the version
+1 support has not been tested due to the lack of version 1 clients against
+which to test.
+.Sh STANDARDS
+The implementation is based on the specification in X/Open CAE Specification
+C218, "Protocols for X/Open PC Interworking: XNFS, Issue 4", ISBN 1 872630 66 9
diff --git a/libexec/rpc.lockd/test.c b/libexec/rpc.lockd/test.c
new file mode 100644
index 00000000000..2f1eb5ad29f
--- /dev/null
+++ b/libexec/rpc.lockd/test.c
@@ -0,0 +1,362 @@
+#include <rpc/rpc.h>
+#include <rpcsvc/nlm_prot.h>
+#ifndef lint
+/*static char sccsid[] = "from: @(#)nlm_prot.x 1.8 87/09/21 Copyr 1987 Sun Micro";*/
+/*static char sccsid[] = "from: * @(#)nlm_prot.x 2.1 88/08/01 4.0 RPCSRC";*/
+static char rcsid[] = "nlm_prot.x,v 1.1 1994/08/04 19:01:48 wollman Exp";
+#endif /* not lint */
+
+/* Default timeout can be changed using clnt_control() */
+static struct timeval TIMEOUT = { 0, 0 };
+
+nlm_testres *
+nlm_test_1(argp, clnt)
+ struct nlm_testargs *argp;
+ CLIENT *clnt;
+{
+ static nlm_testres res;
+
+ bzero((char *)&res, sizeof(res));
+ if (clnt_call(clnt, NLM_TEST, xdr_nlm_testargs, argp, xdr_nlm_testres, &res, TIMEOUT) != RPC_SUCCESS) {
+ return (NULL);
+ }
+ return (&res);
+}
+
+
+nlm_res *
+nlm_lock_1(argp, clnt)
+ struct nlm_lockargs *argp;
+ CLIENT *clnt;
+{
+ enum clnt_stat st;
+ static nlm_res res;
+
+ bzero((char *)&res, sizeof(res));
+ if (st = clnt_call(clnt, NLM_LOCK, xdr_nlm_lockargs, argp, xdr_nlm_res, &res, TIMEOUT) != RPC_SUCCESS) {
+ printf("clnt_call returns %d\n", st);
+ clnt_perror(clnt, "humbug");
+ return (NULL);
+ }
+ return (&res);
+}
+
+
+nlm_res *
+nlm_cancel_1(argp, clnt)
+ struct nlm_cancargs *argp;
+ CLIENT *clnt;
+{
+ static nlm_res res;
+
+ bzero((char *)&res, sizeof(res));
+ if (clnt_call(clnt, NLM_CANCEL, xdr_nlm_cancargs, argp, xdr_nlm_res, &res, TIMEOUT) != RPC_SUCCESS) {
+ return (NULL);
+ }
+ return (&res);
+}
+
+
+nlm_res *
+nlm_unlock_1(argp, clnt)
+ struct nlm_unlockargs *argp;
+ CLIENT *clnt;
+{
+ static nlm_res res;
+
+ bzero((char *)&res, sizeof(res));
+ if (clnt_call(clnt, NLM_UNLOCK, xdr_nlm_unlockargs, argp, xdr_nlm_res, &res, TIMEOUT) != RPC_SUCCESS) {
+ return (NULL);
+ }
+ return (&res);
+}
+
+
+nlm_res *
+nlm_granted_1(argp, clnt)
+ struct nlm_testargs *argp;
+ CLIENT *clnt;
+{
+ static nlm_res res;
+
+ bzero((char *)&res, sizeof(res));
+ if (clnt_call(clnt, NLM_GRANTED, xdr_nlm_testargs, argp, xdr_nlm_res, &res, TIMEOUT) != RPC_SUCCESS) {
+ return (NULL);
+ }
+ return (&res);
+}
+
+
+void *
+nlm_test_msg_1(argp, clnt)
+ struct nlm_testargs *argp;
+ CLIENT *clnt;
+{
+ static char res;
+
+ bzero((char *)&res, sizeof(res));
+ if (clnt_call(clnt, NLM_TEST_MSG, xdr_nlm_testargs, argp, xdr_void, &res, TIMEOUT) != RPC_SUCCESS) {
+ return (NULL);
+ }
+ return ((void *)&res);
+}
+
+
+void *
+nlm_lock_msg_1(argp, clnt)
+ struct nlm_lockargs *argp;
+ CLIENT *clnt;
+{
+ static char res;
+
+ bzero((char *)&res, sizeof(res));
+ if (clnt_call(clnt, NLM_LOCK_MSG, xdr_nlm_lockargs, argp, xdr_void, NULL, TIMEOUT) != RPC_SUCCESS) {
+ clnt_perror(clnt, "nlm_lock_msg_1");
+ return (NULL);
+ }
+ return ((void *)&res);
+}
+
+
+void *
+nlm_cancel_msg_1(argp, clnt)
+ struct nlm_cancargs *argp;
+ CLIENT *clnt;
+{
+ static char res;
+
+ bzero((char *)&res, sizeof(res));
+ if (clnt_call(clnt, NLM_CANCEL_MSG, xdr_nlm_cancargs, argp, xdr_void, &res, TIMEOUT) != RPC_SUCCESS) {
+ return (NULL);
+ }
+ return ((void *)&res);
+}
+
+
+void *
+nlm_unlock_msg_1(argp, clnt)
+ struct nlm_unlockargs *argp;
+ CLIENT *clnt;
+{
+ static char res;
+
+ bzero((char *)&res, sizeof(res));
+ if (clnt_call(clnt, NLM_UNLOCK_MSG, xdr_nlm_unlockargs, argp, xdr_void, &res, TIMEOUT) != RPC_SUCCESS) {
+ return (NULL);
+ }
+ return ((void *)&res);
+}
+
+
+void *
+nlm_granted_msg_1(argp, clnt)
+ struct nlm_testargs *argp;
+ CLIENT *clnt;
+{
+ static char res;
+
+ bzero((char *)&res, sizeof(res));
+ if (clnt_call(clnt, NLM_GRANTED_MSG, xdr_nlm_testargs, argp, xdr_void, &res, TIMEOUT) != RPC_SUCCESS) {
+ return (NULL);
+ }
+ return ((void *)&res);
+}
+
+
+void *
+nlm_test_res_1(argp, clnt)
+ nlm_testres *argp;
+ CLIENT *clnt;
+{
+ static char res;
+
+ bzero((char *)&res, sizeof(res));
+ if (clnt_call(clnt, NLM_TEST_RES, xdr_nlm_testres, argp, xdr_void, &res, TIMEOUT) != RPC_SUCCESS) {
+ return (NULL);
+ }
+ return ((void *)&res);
+}
+
+
+void *
+nlm_lock_res_1(argp, clnt)
+ nlm_res *argp;
+ CLIENT *clnt;
+{
+ static char res;
+
+ bzero((char *)&res, sizeof(res));
+ if (clnt_call(clnt, NLM_LOCK_RES, xdr_nlm_res, argp, xdr_void, &res, TIMEOUT) != RPC_SUCCESS) {
+ return (NULL);
+ }
+ return ((void *)&res);
+}
+
+
+void *
+nlm_cancel_res_1(argp, clnt)
+ nlm_res *argp;
+ CLIENT *clnt;
+{
+ static char res;
+
+ bzero((char *)&res, sizeof(res));
+ if (clnt_call(clnt, NLM_CANCEL_RES, xdr_nlm_res, argp, xdr_void, &res, TIMEOUT) != RPC_SUCCESS) {
+ return (NULL);
+ }
+ return ((void *)&res);
+}
+
+
+void *
+nlm_unlock_res_1(argp, clnt)
+ nlm_res *argp;
+ CLIENT *clnt;
+{
+ static char res;
+
+ bzero((char *)&res, sizeof(res));
+ if (clnt_call(clnt, NLM_UNLOCK_RES, xdr_nlm_res, argp, xdr_void, &res, TIMEOUT) != RPC_SUCCESS) {
+ return (NULL);
+ }
+ return ((void *)&res);
+}
+
+
+void *
+nlm_granted_res_1(argp, clnt)
+ nlm_res *argp;
+ CLIENT *clnt;
+{
+ static char res;
+
+ bzero((char *)&res, sizeof(res));
+ if (clnt_call(clnt, NLM_GRANTED_RES, xdr_nlm_res, argp, xdr_void, &res, TIMEOUT) != RPC_SUCCESS) {
+ return (NULL);
+ }
+ return ((void *)&res);
+}
+
+
+nlm_shareres *
+nlm_share_3(argp, clnt)
+ nlm_shareargs *argp;
+ CLIENT *clnt;
+{
+ static nlm_shareres res;
+
+ bzero((char *)&res, sizeof(res));
+ if (clnt_call(clnt, NLM_SHARE, xdr_nlm_shareargs, argp, xdr_nlm_shareres, &res, TIMEOUT) != RPC_SUCCESS) {
+ return (NULL);
+ }
+ return (&res);
+}
+
+
+nlm_shareres *
+nlm_unshare_3(argp, clnt)
+ nlm_shareargs *argp;
+ CLIENT *clnt;
+{
+ static nlm_shareres res;
+
+ bzero((char *)&res, sizeof(res));
+ if (clnt_call(clnt, NLM_UNSHARE, xdr_nlm_shareargs, argp, xdr_nlm_shareres, &res, TIMEOUT) != RPC_SUCCESS) {
+ return (NULL);
+ }
+ return (&res);
+}
+
+
+nlm_res *
+nlm_nm_lock_3(argp, clnt)
+ nlm_lockargs *argp;
+ CLIENT *clnt;
+{
+ static nlm_res res;
+
+ bzero((char *)&res, sizeof(res));
+ if (clnt_call(clnt, NLM_NM_LOCK, xdr_nlm_lockargs, argp, xdr_nlm_res, &res, TIMEOUT) != RPC_SUCCESS) {
+ return (NULL);
+ }
+ return (&res);
+}
+
+
+void *
+nlm_free_all_3(argp, clnt)
+ nlm_notify *argp;
+ CLIENT *clnt;
+{
+ static char res;
+
+ bzero((char *)&res, sizeof(res));
+ if (clnt_call(clnt, NLM_FREE_ALL, xdr_nlm_notify, argp, xdr_void, &res, TIMEOUT) != RPC_SUCCESS) {
+ return (NULL);
+ }
+ return ((void *)&res);
+}
+
+
+int main(int argc, char **argv)
+{
+ CLIENT *cli;
+ nlm_res res_block;
+ nlm_res *out;
+ nlm_lockargs arg;
+ struct timeval tim;
+
+ printf("Creating client for host %s\n", argv[1]);
+ cli = clnt_create(argv[1], NLM_PROG, NLM_VERS, "udp");
+ if (!cli)
+ {
+ printf("Failed to create client\n");
+ exit(1);
+ }
+
+
+ clnt_control(cli, CLGET_TIMEOUT, &tim);
+ printf("Default timeout was %d.%d\n", tim.tv_sec, tim.tv_usec);
+ tim.tv_usec = -1;
+ tim.tv_sec = -1;
+ clnt_control(cli, CLSET_TIMEOUT, &tim);
+ clnt_control(cli, CLGET_TIMEOUT, &tim);
+ printf("timeout now %d.%d\n", tim.tv_sec, tim.tv_usec);
+
+
+ arg.cookie.n_len = 4;
+ arg.cookie.n_bytes = "hello";
+ arg.block = 0;
+ arg.exclusive = 0;
+ arg.reclaim = 0;
+ arg.state = 0x1234;
+ arg.alock.caller_name = "localhost";
+ arg.alock.fh.n_len = 32;
+ arg.alock.fh.n_bytes = "\x04\x04\x02\x00\x01\x00\x00\x00\x0c\x00\x00\x00\xff\xff\xff\xd0\x16\x00\x00\x5b\x7c\xff\xff\xff\xec\x2f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x19\x54\xef\xbf\xd7\x94";
+ arg.alock.oh.n_len = 8;
+ arg.alock.oh.n_bytes = "\x00\x00\x02\xff\xff\xff\xd3";
+ arg.alock.svid = 0x5678;
+ arg.alock.l_offset = 0;
+ arg.alock.l_len = 100;
+
+ res_block.stat.stat = nlm_granted;
+ res_block.cookie.n_bytes = "hello";
+ res_block.cookie.n_len = 5;
+
+#if 0
+ if (nlm_lock_res_1(&res_block, cli)) printf("Success!\n");
+ else printf("Fail\n");
+#else
+ if (out = nlm_lock_msg_1(&arg, cli))
+ {
+ printf("Success!\n");
+ printf("out->stat = %d", out->stat);
+ }
+ else
+ {
+ printf("Fail\n");
+ }
+#endif
+
+ return 0;
+}
diff --git a/usr.sbin/rpc.lockd/Makefile b/usr.sbin/rpc.lockd/Makefile
new file mode 100644
index 00000000000..b016e67d648
--- /dev/null
+++ b/usr.sbin/rpc.lockd/Makefile
@@ -0,0 +1,26 @@
+# $Id: Makefile,v 1.1 1996/07/20 05:02:34 deraadt Exp $
+
+PROG = rpc.lockd
+SRCS = nlm_prot_svc.c lockd.c procs.c
+MAN8 = rpc.lockd.8
+
+DPADD= ${LIBRPCSVC}
+LDADD= -lrpcsvc
+
+CFLAGS+= -I.
+
+CLEANFILES= nlm_prot_svc.c nlm_prot.h
+
+RPCSRC= ${.DESTDIR}/usr/include/rpcsvc/nlm_prot.x
+RPCGEN= rpcgen -L -C
+
+nlm_prot_svc.c: ${RPCSRC} nlm_prot.h
+ ${RPCGEN} -m -o ${.TARGET} ${RPCSRC}
+
+nlm_prot.h: ${RPCSRC}
+ ${RPCGEN} -h -o ${.TARGET} ${RPCSRC}
+
+test: test.c
+ cc -o test test.c -lrpcsvc
+
+.include <bsd.prog.mk>
diff --git a/usr.sbin/rpc.lockd/handles.c b/usr.sbin/rpc.lockd/handles.c
new file mode 100644
index 00000000000..047f6d23ee3
--- /dev/null
+++ b/usr.sbin/rpc.lockd/handles.c
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 1995
+ * A.R. Gordon (andrew.gordon@net-tel.co.uk). All rights reserved.
+ *
+ * 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 acknowledgement:
+ * This product includes software developed for the FreeBSD project
+ * 4. Neither the name of the author nor the names of any co-contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY ANDREW GORDON 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 AUTHOR 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 "nlm_prot.h"
+
+/* ------------------------------------------------------------------------- */
+/*
+
+
+* need to find all fds in use by a host and free them when host crashes
+ (need not be efficient)
+
+* need to find fd corresponding to <inode, device>
+
+*/
+
+typedef struct fdinfo
+{
+ int fd; /* The file descriptor itself */
+ int ref_count; /* Count of hosts using the fd - fd is */
+ /* closed when this reaches zero */
+ ino_t inode_no; /* The inode number of this file. */
+ dev_t device; /* device on which the file lives. */
+ struct fdinfo *next; /* Chain of FdInfo structures */
+ struct fdinfo *prev;
+} FdInfo;
diff --git a/usr.sbin/rpc.lockd/lockd.c b/usr.sbin/rpc.lockd/lockd.c
new file mode 100644
index 00000000000..a0347d44142
--- /dev/null
+++ b/usr.sbin/rpc.lockd/lockd.c
@@ -0,0 +1,113 @@
+/*
+ * Copyright (c) 1995
+ * A.R. Gordon (andrew.gordon@net-tel.co.uk). All rights reserved.
+ *
+ * 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 acknowledgement:
+ * This product includes software developed for the FreeBSD project
+ * 4. Neither the name of the author nor the names of any co-contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY ANDREW GORDON 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 AUTHOR 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.
+ *
+ */
+
+
+/* main() function for NFS lock daemon. Most of the code in this */
+/* file was generated by running rpcgen /usr/include/rpcsvc/nlm_prot.x */
+/* The actual program logic is in the file procs.c */
+
+#include "lockd.h"
+
+extern void nlm_prog_1 __P((struct svc_req, register SVCXPRT));
+extern void nlm_prog_3 __P((struct svc_req, register SVCXPRT));
+
+int debug_level = 0; /* Zero means no debugging syslog() calls */
+
+
+main(int argc, char **argv)
+{
+ SVCXPRT *transp;
+
+ if (argc > 1)
+ {
+ if (strncmp(argv[1], "-d", 2))
+ {
+ fprintf(stderr, "Usage: rpc.lockd [-d [<debuglevel>]]\n");
+ exit(1);
+ }
+ if (argc > 2) debug_level = atoi(argv[2]);
+ else debug_level = atoi(argv[1] + 2);
+ /* Ensure at least some debug if -d with no specified level */
+ if (!debug_level) debug_level = 1;
+ }
+
+ (void)pmap_unset(NLM_PROG, NLM_VERS);
+ (void)pmap_unset(NLM_PROG, NLM_VERSX);
+
+ transp = svcudp_create(RPC_ANYSOCK);
+ if (transp == NULL)
+ {
+ (void)fprintf(stderr, "cannot create udp service.\n");
+ exit(1);
+ }
+ if (!svc_register(transp, NLM_PROG, NLM_VERS, (void (*)())nlm_prog_1, IPPROTO_UDP))
+ {
+ (void)fprintf(stderr, "unable to register (NLM_PROG, NLM_VERS, udp).\n");
+ exit(1);
+ }
+ if (!svc_register(transp, NLM_PROG, NLM_VERSX, (void (*)())nlm_prog_3, IPPROTO_UDP))
+ {
+ (void)fprintf(stderr, "unable to register (NLM_PROG, NLM_VERSX, udp).\n");
+ exit(1);
+ }
+
+ transp = svctcp_create(RPC_ANYSOCK, 0, 0);
+ if (transp == NULL)
+ {
+ (void)fprintf(stderr, "cannot create tcp service.\n");
+ exit(1);
+ }
+ if (!svc_register(transp, NLM_PROG, NLM_VERS, (void (*)())nlm_prog_1, IPPROTO_TCP))
+ {
+ (void)fprintf(stderr, "unable to register (NLM_PROG, NLM_VERS, tcp).\n");
+ exit(1);
+ }
+ if (!svc_register(transp, NLM_PROG, NLM_VERSX, (void (*)())nlm_prog_3, IPPROTO_TCP))
+ {
+ (void)fprintf(stderr, "unable to register (NLM_PROG, NLM_VERSX, tcp).\n");
+ exit(1);
+ }
+
+ /* Note that it is NOT sensible to run this program from inetd - the */
+ /* protocol assumes that it will run immediately at boot time. */
+ if (daemon(0,0)) {
+ perror("cannot fork");
+ exit(1);
+ }
+ openlog("rpc.lockd", 0, LOG_DAEMON);
+ if (debug_level) syslog(LOG_INFO, "Starting, debug level %d", debug_level);
+ else syslog(LOG_INFO, "Starting");
+
+ svc_run(); /* Should never return */
+ exit(1);
+}
diff --git a/usr.sbin/rpc.lockd/lockd.h b/usr.sbin/rpc.lockd/lockd.h
new file mode 100644
index 00000000000..39586bfd77a
--- /dev/null
+++ b/usr.sbin/rpc.lockd/lockd.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 1995
+ * A.R. Gordon (andrew.gordon@net-tel.co.uk). All rights reserved.
+ *
+ * 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 acknowledgement:
+ * This product includes software developed for the FreeBSD project
+ * 4. Neither the name of the author nor the names of any co-contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY ANDREW GORDON 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 AUTHOR 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 <stdio.h>
+#include <rpc/rpc.h>
+#include <syslog.h>
+#include <rpcsvc/sm_inter.h> /* protocol to talk to rpc.statd */
+#include "nlm_prot.h" /* The protocol we are implementing */
+
+
+/* global variables ------------------------------------------------------- */
+extern int debug_level;
diff --git a/usr.sbin/rpc.lockd/procs.c b/usr.sbin/rpc.lockd/procs.c
new file mode 100644
index 00000000000..54e5f814ceb
--- /dev/null
+++ b/usr.sbin/rpc.lockd/procs.c
@@ -0,0 +1,588 @@
+/*
+ * Copyright (c) 1995
+ * A.R. Gordon (andrew.gordon@net-tel.co.uk). All rights reserved.
+ *
+ * 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 acknowledgement:
+ * This product includes software developed for the FreeBSD project
+ * 4. Neither the name of the author nor the names of any co-contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY ANDREW GORDON 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 AUTHOR 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 "lockd.h"
+
+#include <sys/param.h> /* for MAXHOSTNAMELEN */
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <netdb.h>
+
+
+#define CLIENT_CACHE_SIZE 64 /* No. of client sockets cached */
+#define CLIENT_CACHE_LIFETIME 120 /* In seconds */
+
+
+/* log_from_addr ----------------------------------------------------------- */
+/*
+ Purpose: Log name of function called and source address
+ Returns: Nothing
+ Notes: Extracts the source address from the transport handle
+ passed in as part of the called procedure specification
+*/
+
+static void log_from_addr(char *fun_name, struct svc_req *req)
+{
+ struct sockaddr_in *addr;
+ struct hostent *host;
+ char hostname_buf[40];
+
+ addr = svc_getcaller(req->rq_xprt);
+ host = gethostbyaddr((char *)&(addr->sin_addr), addr->sin_len, AF_INET);
+ if (host)
+ {
+ strncpy(hostname_buf, host->h_name, sizeof(hostname_buf));
+ hostname_buf[sizeof(hostname_buf) -1] = '\0';
+ }
+ else /* No hostname available - print raw address */
+ {
+ strcpy(hostname_buf, inet_ntoa(addr->sin_addr));
+ }
+
+ syslog(LOG_DEBUG, "%s from %s", fun_name, hostname_buf);
+}
+
+
+/* get_client -------------------------------------------------------------- */
+/*
+ Purpose: Get a CLIENT* for making RPC calls to lockd on given host
+ Returns: CLIENT* pointer, from clnt_udp_create, or NULL if error
+ Notes: Creating a CLIENT* is quite expensive, involving a
+ conversation with the remote portmapper to get the
+ port number. Since a given client is quite likely
+ to make several locking requests in succession, it is
+ desirable to cache the created CLIENT*.
+
+ Since we are using UDP rather than TCP, there is no cost
+ to the remote system in keeping these cached indefinitely.
+ Unfortunately there is a snag: if the remote system
+ reboots, the cached portmapper results will be invalid,
+ and we will never detect this since all of the xxx_msg()
+ calls return no result - we just fire off a udp packet
+ and hope for the best.
+
+ We solve this by discarding cached values after two
+ minutes, regardless of whether they have been used
+ in the meanwhile (since a bad one might have been used
+ plenty of times, as the host keeps retrying the request
+ and we keep sending the reply back to the wrong port).
+
+ Given that the entries will always expire in the order
+ that they were created, there is no point in a LRU
+ algorithm for when the cache gets full - entries are
+ always re-used in sequence.
+*/
+
+static CLIENT *clnt_cache_ptr[CLIENT_CACHE_SIZE];
+static long clnt_cache_time[CLIENT_CACHE_SIZE]; /* time entry created */
+static struct in_addr clnt_cache_addr[CLIENT_CACHE_SIZE];
+static int clnt_cache_next_to_use = 0;
+
+static CLIENT *get_client(struct sockaddr_in *host_addr)
+{
+ CLIENT *client;
+ int sock_no;
+ struct timeval retry_time, time_now;
+ int i;
+
+ gettimeofday(&time_now, NULL);
+
+ /* Search for the given client in the cache, zapping any expired */
+ /* entries that we happen to notice in passing. */
+ for (i = 0; i < CLIENT_CACHE_SIZE; i++)
+ {
+ client = clnt_cache_ptr[i];
+ if (client &&
+ ((clnt_cache_time[i] + CLIENT_CACHE_LIFETIME) < time_now.tv_sec))
+ {
+ /* Cache entry has expired. */
+ if (debug_level > 3) syslog(LOG_DEBUG, "Expired CLIENT* in cache");
+ clnt_cache_time[i] = 0L;
+ clnt_destroy(client);
+ clnt_cache_ptr[i] = NULL;
+ client = NULL;
+ }
+
+ if (client && !memcmp(&clnt_cache_addr[i], &host_addr->sin_addr,
+ sizeof(struct in_addr)))
+ {
+ /* Found it! */
+ if (debug_level > 3) syslog(LOG_DEBUG, "Found CLIENT* in cache");
+ return (client);
+ }
+ }
+
+ /* Not found in cache. Free the next entry if it is in use */
+ if (clnt_cache_ptr[clnt_cache_next_to_use])
+ {
+ clnt_destroy(clnt_cache_ptr[clnt_cache_next_to_use]);
+ clnt_cache_ptr[clnt_cache_next_to_use] = NULL;
+ }
+
+ /* Create the new client handle */
+
+ sock_no = RPC_ANYSOCK;
+ retry_time.tv_sec = 5;
+ retry_time.tv_usec = 0;
+ host_addr->sin_port = 0; /* Force consultation with portmapper */
+ client = clntudp_create(host_addr, NLM_PROG, NLM_VERS, retry_time, &sock_no);
+ if (!client)
+ {
+ syslog(LOG_ERR, clnt_spcreateerror("clntudp_create"));
+ syslog(LOG_ERR, "Unable to return result to %s",
+ inet_ntoa(host_addr->sin_addr));
+ return NULL;
+ }
+
+ /* Success - update the cache entry */
+ clnt_cache_ptr[clnt_cache_next_to_use] = client;
+ clnt_cache_addr[clnt_cache_next_to_use] = host_addr->sin_addr;
+ clnt_cache_time[clnt_cache_next_to_use] = time_now.tv_sec;
+ if (++clnt_cache_next_to_use > CLIENT_CACHE_SIZE)
+ clnt_cache_next_to_use = 0;
+
+ /* Disable the default timeout, so we can specify our own in calls */
+ /* to clnt_call(). [note that the timeout is a different concept */
+ /* from the retry period set in clnt_udp_create() above.] */
+ retry_time.tv_sec = -1;
+ retry_time.tv_usec = -1;
+ clnt_control(client, CLSET_TIMEOUT, &retry_time);
+
+ if (debug_level > 3) syslog(LOG_DEBUG, "Created CLIENT* for %s",
+ inet_ntoa(host_addr->sin_addr));
+ return client;
+}
+
+
+/* transmit_result --------------------------------------------------------- */
+/*
+ Purpose: Transmit result for nlm_xxx_msg pseudo-RPCs
+ Returns: Nothing - we have no idea if the datagram got there
+ Notes: clnt_call() will always fail (with timeout) as we are
+ calling it with timeout 0 as a hack to just issue a datagram
+ without expecting a result
+*/
+
+static void transmit_result(int opcode, nlm_res *result, struct svc_req *req)
+{
+ static char dummy;
+ struct sockaddr_in *addr;
+ CLIENT *cli;
+ int success;
+ struct timeval timeo;
+
+ addr = svc_getcaller(req->rq_xprt);
+ if (cli = get_client(addr))
+ {
+ timeo.tv_sec = 0; /* No timeout - not expecting response */
+ timeo.tv_usec = 0;
+
+ success = clnt_call(cli, opcode, xdr_nlm_res, result, xdr_void,
+ &dummy, timeo);
+
+ if (debug_level > 2) syslog(LOG_DEBUG, "clnt_call returns %d\n", success);
+ }
+}
+
+/* ------------------------------------------------------------------------- */
+/*
+ Functions for Unix<->Unix locking (ie. monitored locking, with rpc.statd
+ involved to ensure reclaim of locks after a crash of the "stateless"
+ server.
+
+ These all come in two flavours - nlm_xxx() and nlm_xxx_msg().
+ The first are standard RPCs with argument and result.
+ The nlm_xxx_msg() calls implement exactly the same functions, but
+ use two pseudo-RPCs (one in each direction). These calls are NOT
+ standard use of the RPC protocol in that they do not return a result
+ at all (NB. this is quite different from returning a void result).
+ The effect of this is to make the nlm_xxx_msg() calls simple unacknowledged
+ datagrams, requiring higher-level code to perform retries.
+
+ Despite the disadvantages of the nlm_xxx_msg() approach (some of which
+ are documented in the comments to get_client() above), this is the
+ interface used by all current commercial NFS implementations
+ [Solaris, SCO, AIX etc.]. This is presumed to be because these allow
+ implementations to continue using the standard RPC libraries, while
+ avoiding the block-until-result nature of the library interface.
+
+ No client implementations have been identified so far that make use
+ of the true RPC version (early SunOS releases would be a likely candidate
+ for testing).
+*/
+
+
+/* nlm_test ---------------------------------------------------------------- */
+/*
+ Purpose: Test whether a specified lock would be granted if requested
+ Returns: nlm_granted (or error code)
+ Notes:
+*/
+
+nlm_testres *nlm_test_1_svc(nlm_testargs *arg, struct svc_req *rqstp)
+{
+ static nlm_testres res;
+ if (debug_level) log_from_addr("nlm_test", rqstp);
+
+ /* Copy the cookie from the argument into the result. Note that this */
+ /* is slightly hazardous, as the structure contains a pointer to a */
+ /* malloc()ed buffer that will get freed by the caller. However, the */
+ /* main function transmits the result before freeing the argument */
+ /* so it is in fact safe. */
+ res.cookie = arg->cookie;
+ res.stat.stat = nlm_granted;
+ return (&res);
+}
+
+void *nlm_test_msg_1_svc(nlm_testargs *arg, struct svc_req *rqstp)
+{
+ nlm_testres res;
+ static char dummy;
+ struct sockaddr_in *addr;
+ CLIENT *cli;
+ int success;
+ struct timeval timeo;
+
+ if (debug_level) log_from_addr("nlm_test_msg", rqstp);
+
+ res.cookie = arg->cookie;
+ res.stat.stat = nlm_granted;
+
+ /* nlm_test has different result type to the other operations, so */
+ /* can't use transmit_result() in this case */
+ addr = svc_getcaller(rqstp->rq_xprt);
+ if (cli = get_client(addr))
+ {
+ timeo.tv_sec = 0; /* No timeout - not expecting response */
+ timeo.tv_usec = 0;
+
+ success = clnt_call(cli, NLM_TEST_RES, xdr_nlm_testres, &res, xdr_void,
+ &dummy, timeo);
+
+ if (debug_level > 2) syslog(LOG_DEBUG, "clnt_call returns %d\n", success);
+ }
+ return (NULL);
+}
+
+/* nlm_lock ---------------------------------------------------------------- */
+/*
+ Purposes: Establish a lock
+ Returns: granted, denied or blocked
+ Notes: *** grace period support missing
+*/
+
+nlm_res *nlm_lock_1_svc(nlm_lockargs *arg, struct svc_req *rqstp)
+{
+ static nlm_res res;
+ if (debug_level) log_from_addr("nlm_lock", rqstp);
+
+ /* copy cookie from arg to result. See comment in nlm_test_1() */
+ res.cookie = arg->cookie;
+
+ res.stat.stat = nlm_granted;
+ return (&res);
+}
+
+void *nlm_lock_msg_1_svc(nlm_lockargs *arg, struct svc_req *rqstp)
+{
+ static nlm_res res;
+
+ if (debug_level) log_from_addr("nlm_lock_msg", rqstp);
+
+ res.cookie = arg->cookie;
+ res.stat.stat = nlm_granted;
+ transmit_result(NLM_LOCK_RES, &res, rqstp);
+
+ return (NULL);
+}
+
+/* nlm_cancel -------------------------------------------------------------- */
+/*
+ Purpose: Cancel a blocked lock request
+ Returns: granted or denied
+ Notes:
+*/
+
+nlm_res *nlm_cancel_1_svc(nlm_cancargs *arg, struct svc_req *rqstp)
+{
+ static nlm_res res;
+ if (debug_level) log_from_addr("nlm_cancel", rqstp);
+
+ /* copy cookie from arg to result. See comment in nlm_test_1() */
+ res.cookie = arg->cookie;
+
+ /* Since at present we never return 'nlm_blocked', there can never be */
+ /* a lock to cancel, so this call always fails. */
+ res.stat.stat = nlm_denied;
+ return (&res);
+}
+
+void *nlm_cancel_msg_1_svc(nlm_cancargs *arg, struct svc_req *rqstp)
+{
+ static nlm_res res;
+ if (debug_level) log_from_addr("nlm_cancel_msg", rqstp);
+
+ res.cookie = arg->cookie;
+ /* Since at present we never return 'nlm_blocked', there can never be */
+ /* a lock to cancel, so this call always fails. */
+ res.stat.stat = nlm_denied;
+ transmit_result(NLM_CANCEL_RES, &res, rqstp);
+ return (NULL);
+}
+
+/* nlm_unlock -------------------------------------------------------------- */
+/*
+ Purpose: Release an existing lock
+ Returns: Always granted, unless during grace period
+ Notes: "no such lock" error condition is ignored, as the
+ protocol uses unreliable UDP datagrams, and may well
+ re-try an unlock that has already succeeded.
+*/
+
+nlm_res *nlm_unlock_1_svc(nlm_unlockargs *arg, struct svc_req *rqstp)
+{
+ static nlm_res res;
+ if (debug_level) log_from_addr("nlm_unlock", rqstp);
+
+ res.stat.stat= nlm_granted;
+ res.cookie = arg->cookie;
+
+ return (&res);
+}
+
+void *nlm_unlock_msg_1_svc(nlm_unlockargs *arg, struct svc_req *rqstp)
+{
+ static nlm_res res;
+ if (debug_level) log_from_addr("nlm_unlock_msg", rqstp);
+
+ res.stat.stat = nlm_granted;
+ res.cookie = arg->cookie;
+
+ transmit_result(NLM_UNLOCK_RES, &res, rqstp);
+ return (NULL);
+}
+
+/* ------------------------------------------------------------------------- */
+/*
+ Client-side pseudo-RPCs for results. Note that for the client there
+ are only nlm_xxx_msg() versions of each call, since the 'real RPC'
+ version returns the results in the RPC result, and so the client
+ does not normally receive incoming RPCs.
+
+ The exception to this is nlm_granted(), which is genuinely an RPC
+ call from the server to the client - a 'call-back' in normal procedure
+ call terms.
+*/
+
+/* nlm_granted ------------------------------------------------------------- */
+/*
+ Purpose: Receive notification that formerly blocked lock now granted
+ Returns: always success ('granted')
+ Notes:
+*/
+
+nlm_res *nlm_granted_1_svc(nlm_testargs *arg, struct svc_req *rqstp)
+{
+ static nlm_res res;
+ if (debug_level) log_from_addr("nlm_granted", rqstp);
+
+ /* copy cookie from arg to result. See comment in nlm_test_1() */
+ res.cookie = arg->cookie;
+
+ res.stat.stat = nlm_granted;
+ return (&res);
+}
+
+void *nlm_granted_msg_1_svc(nlm_testargs *arg, struct svc_req *rqstp)
+{
+ nlm_res res;
+ if (debug_level) log_from_addr("nlm_granted_msg", rqstp);
+
+ res.cookie = arg->cookie;
+ res.stat.stat = nlm_granted;
+ transmit_result(NLM_GRANTED_RES, &res, rqstp);
+ return (NULL);
+}
+
+/* nlm_test_res ------------------------------------------------------------ */
+/*
+ Purpose: Accept result from earlier nlm_test_msg() call
+ Returns: Nothing
+*/
+
+void *nlm_test_res_1_svc(nlm_testres *arg, struct svc_req *rqstp)
+{
+ if (debug_level) log_from_addr("nlm_test_res", rqstp);
+ return (NULL);
+}
+
+/* nlm_lock_res ------------------------------------------------------------ */
+/*
+ Purpose: Accept result from earlier nlm_lock_msg() call
+ Returns: Nothing
+*/
+
+void *nlm_lock_res_1_svc(nlm_res *arg, struct svc_req *rqstp)
+{
+ if (debug_level) log_from_addr("nlm_lock_res", rqstp);
+
+ return (NULL);
+}
+
+/* nlm_cancel_res ---------------------------------------------------------- */
+/*
+ Purpose: Accept result from earlier nlm_cancel_msg() call
+ Returns: Nothing
+*/
+
+void *nlm_cancel_res_1_svc(nlm_res *arg, struct svc_req *rqstp)
+{
+ if (debug_level) log_from_addr("nlm_cancel_res", rqstp);
+ return (NULL);
+}
+
+/* nlm_unlock_res ---------------------------------------------------------- */
+/*
+ Purpose: Accept result from earlier nlm_unlock_msg() call
+ Returns: Nothing
+*/
+
+void *nlm_unlock_res_1_svc(nlm_res *arg, struct svc_req *rqstp)
+{
+ if (debug_level) log_from_addr("nlm_unlock_res", rqstp);
+ return (NULL);
+}
+
+/* nlm_granted_res --------------------------------------------------------- */
+/*
+ Purpose: Accept result from earlier nlm_granted_msg() call
+ Returns: Nothing
+*/
+
+void *nlm_granted_res_1_svc(nlm_res *arg, struct svc_req *rqstp)
+{
+ if (debug_level) log_from_addr("nlm_granted_res", rqstp);
+ return (NULL);
+}
+
+/* ------------------------------------------------------------------------- */
+/*
+ Calls for PCNFS locking (aka non-monitored locking, no involvement
+ of rpc.statd).
+
+ These are all genuine RPCs - no nlm_xxx_msg() nonsense here.
+*/
+
+
+/* nlm_share --------------------------------------------------------------- */
+/*
+ Purpose: Establish a DOS-style lock
+ Returns: success or failure
+ Notes: Blocking locks are not supported - client is expected
+ to retry if required.
+*/
+
+nlm_shareres *nlm_share_3_svc(nlm_shareargs *arg, struct svc_req *rqstp)
+{
+ static nlm_shareres res;
+ if (debug_level) log_from_addr("nlm_share", rqstp);
+
+ res.cookie = arg->cookie;
+ res.stat = nlm_granted;
+ res.sequence = 1234356; /* X/Open says this field is ignored? */
+ return (&res);
+}
+
+/* nlm_unshare ------------------------------------------------------------ */
+/*
+ Purpose: Release a DOS-style lock
+ Returns: nlm_granted, unless in grace period
+ Notes:
+*/
+
+nlm_shareres *nlm_unshare_3_svc(nlm_shareargs *arg, struct svc_req *rqstp)
+{
+ static nlm_shareres res;
+ if (debug_level) log_from_addr("nlm_unshare", rqstp);
+
+ res.cookie = arg->cookie;
+ res.stat = nlm_granted;
+ res.sequence = 1234356; /* X/Open says this field is ignored? */
+ return (&res);
+}
+
+/* nlm_nm_lock ------------------------------------------------------------ */
+/*
+ Purpose: non-monitored version of nlm_lock()
+ Returns: as for nlm_lock()
+ Notes: These locks are in the same style as the standard nlm_lock,
+ but the rpc.statd should not be called to establish a
+ monitor for the client machine, since that machine is
+ declared not to be running a rpc.statd, and so would not
+ respond to the statd protocol.
+*/
+
+nlm_res *nlm_nm_lock_3_svc(nlm_lockargs *arg, struct svc_req *rqstp)
+{
+ static nlm_res res;
+ if (debug_level) log_from_addr("nlm_nm_lock", rqstp);
+
+ /* copy cookie from arg to result. See comment in nlm_test_1() */
+ res.cookie = arg->cookie;
+ res.stat.stat = nlm_granted;
+ return (&res);
+}
+
+/* nlm_free_all ------------------------------------------------------------ */
+/*
+ Purpose: Release all locks held by a named client
+ Returns: Nothing
+ Notes: Potential denial of service security problem here - the
+ locks to be released are specified by a host name, independent
+ of the address from which the request has arrived.
+ Should probably be rejected if the named host has been
+ using monitored locks.
+*/
+
+void *nlm_free_all_3_svc(nlm_notify *arg, struct svc_req *rqstp)
+{
+ static char dummy;
+
+ if (debug_level) log_from_addr("nlm_free_all", rqstp);
+ return (&dummy);
+}
+
+
diff --git a/usr.sbin/rpc.lockd/rpc.lockd.8 b/usr.sbin/rpc.lockd/rpc.lockd.8
new file mode 100644
index 00000000000..8526e24825f
--- /dev/null
+++ b/usr.sbin/rpc.lockd/rpc.lockd.8
@@ -0,0 +1,94 @@
+.\" -*- nroff -*-
+.\"
+.\" Copyright (c) 1995 A.R.Gordon, andrew.gordon@net-tel.co.uk
+.\" All rights reserved.
+.\"
+.\" 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 acknowledgement:
+.\" 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 AUTHOR 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 AUTHOR 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.
+.\"
+.\"
+.Dd September 24, 1995
+.Dt RPC.LOCKD 8
+.Os
+.Sh NAME
+.Nm rpc.lockd
+.Nd NFS file locking daemon
+.Sh SYNOPSIS
+.Nm rpc.lockd
+.Op Fl d Op Ar debug_level
+.Sh DESCRIPTION
+.Nm rpc.rstatd
+is a daemon which provides file- and record-locking services in an NFS
+environment.
+.Pp
+Options and operands available for
+.Nm rpc.lockd :
+.Bl -tag -width Ds
+.It Fl d
+The
+.Fl d
+option causes debugging information to be written to syslog, recording
+all RPC transations to the daemon. These messages are logged with level
+LOG_DEBUG and facility LOG_DAEMON. If debug_level is not specified,
+level 1 is assumed, giving one log line per protocol operation. Higher
+debug levels can be specified, causing display of operation arguments
+and internal operations of the daemon.
+.El
+.Pp
+Error conditions are logged to syslog, irrespecive of the debug level,
+using log level LOG_ERR and facility LOG_DAEMON.
+.Pp
+The
+.Nm rpc.lockd
+daemon must NOT be invoked by
+.Xr inetd 8
+because the protocol assumes that the daemon will run from system start time.
+Instead, it should be run from
+.Xr rc 8
+after the network has been started.
+.Sh FILES
+.Bl -tag -width /usr/include/rpcsvc/nlm_prot.x -compact
+.It Pa /usr/include/rpcsvc/nlm_prot.x
+RPC protocol specification for the network lock manager protocol.
+.El
+.Sh SEE ALSO
+.Xr rpc.statd 8 ,
+.Xr rc 8 ,
+.Xr syslog 3
+.Sh BUGS
+The current implementation provides only the server side of the protocol
+(ie. clients running other OS types can establish locks on a FreeBSD fileserver,
+but there is currently no means for a FreeBSD client to establish locks).
+.Pp
+Versions 1, 2 and 3 of the protocol are supported. However, only versions
+2 (Unix systems) and 3 (PC-NFS clients) seem to be in common use - the version
+1 support has not been tested due to the lack of version 1 clients against
+which to test.
+.Sh STANDARDS
+The implementation is based on the specification in X/Open CAE Specification
+C218, "Protocols for X/Open PC Interworking: XNFS, Issue 4", ISBN 1 872630 66 9
diff --git a/usr.sbin/rpc.lockd/test.c b/usr.sbin/rpc.lockd/test.c
new file mode 100644
index 00000000000..2f1eb5ad29f
--- /dev/null
+++ b/usr.sbin/rpc.lockd/test.c
@@ -0,0 +1,362 @@
+#include <rpc/rpc.h>
+#include <rpcsvc/nlm_prot.h>
+#ifndef lint
+/*static char sccsid[] = "from: @(#)nlm_prot.x 1.8 87/09/21 Copyr 1987 Sun Micro";*/
+/*static char sccsid[] = "from: * @(#)nlm_prot.x 2.1 88/08/01 4.0 RPCSRC";*/
+static char rcsid[] = "nlm_prot.x,v 1.1 1994/08/04 19:01:48 wollman Exp";
+#endif /* not lint */
+
+/* Default timeout can be changed using clnt_control() */
+static struct timeval TIMEOUT = { 0, 0 };
+
+nlm_testres *
+nlm_test_1(argp, clnt)
+ struct nlm_testargs *argp;
+ CLIENT *clnt;
+{
+ static nlm_testres res;
+
+ bzero((char *)&res, sizeof(res));
+ if (clnt_call(clnt, NLM_TEST, xdr_nlm_testargs, argp, xdr_nlm_testres, &res, TIMEOUT) != RPC_SUCCESS) {
+ return (NULL);
+ }
+ return (&res);
+}
+
+
+nlm_res *
+nlm_lock_1(argp, clnt)
+ struct nlm_lockargs *argp;
+ CLIENT *clnt;
+{
+ enum clnt_stat st;
+ static nlm_res res;
+
+ bzero((char *)&res, sizeof(res));
+ if (st = clnt_call(clnt, NLM_LOCK, xdr_nlm_lockargs, argp, xdr_nlm_res, &res, TIMEOUT) != RPC_SUCCESS) {
+ printf("clnt_call returns %d\n", st);
+ clnt_perror(clnt, "humbug");
+ return (NULL);
+ }
+ return (&res);
+}
+
+
+nlm_res *
+nlm_cancel_1(argp, clnt)
+ struct nlm_cancargs *argp;
+ CLIENT *clnt;
+{
+ static nlm_res res;
+
+ bzero((char *)&res, sizeof(res));
+ if (clnt_call(clnt, NLM_CANCEL, xdr_nlm_cancargs, argp, xdr_nlm_res, &res, TIMEOUT) != RPC_SUCCESS) {
+ return (NULL);
+ }
+ return (&res);
+}
+
+
+nlm_res *
+nlm_unlock_1(argp, clnt)
+ struct nlm_unlockargs *argp;
+ CLIENT *clnt;
+{
+ static nlm_res res;
+
+ bzero((char *)&res, sizeof(res));
+ if (clnt_call(clnt, NLM_UNLOCK, xdr_nlm_unlockargs, argp, xdr_nlm_res, &res, TIMEOUT) != RPC_SUCCESS) {
+ return (NULL);
+ }
+ return (&res);
+}
+
+
+nlm_res *
+nlm_granted_1(argp, clnt)
+ struct nlm_testargs *argp;
+ CLIENT *clnt;
+{
+ static nlm_res res;
+
+ bzero((char *)&res, sizeof(res));
+ if (clnt_call(clnt, NLM_GRANTED, xdr_nlm_testargs, argp, xdr_nlm_res, &res, TIMEOUT) != RPC_SUCCESS) {
+ return (NULL);
+ }
+ return (&res);
+}
+
+
+void *
+nlm_test_msg_1(argp, clnt)
+ struct nlm_testargs *argp;
+ CLIENT *clnt;
+{
+ static char res;
+
+ bzero((char *)&res, sizeof(res));
+ if (clnt_call(clnt, NLM_TEST_MSG, xdr_nlm_testargs, argp, xdr_void, &res, TIMEOUT) != RPC_SUCCESS) {
+ return (NULL);
+ }
+ return ((void *)&res);
+}
+
+
+void *
+nlm_lock_msg_1(argp, clnt)
+ struct nlm_lockargs *argp;
+ CLIENT *clnt;
+{
+ static char res;
+
+ bzero((char *)&res, sizeof(res));
+ if (clnt_call(clnt, NLM_LOCK_MSG, xdr_nlm_lockargs, argp, xdr_void, NULL, TIMEOUT) != RPC_SUCCESS) {
+ clnt_perror(clnt, "nlm_lock_msg_1");
+ return (NULL);
+ }
+ return ((void *)&res);
+}
+
+
+void *
+nlm_cancel_msg_1(argp, clnt)
+ struct nlm_cancargs *argp;
+ CLIENT *clnt;
+{
+ static char res;
+
+ bzero((char *)&res, sizeof(res));
+ if (clnt_call(clnt, NLM_CANCEL_MSG, xdr_nlm_cancargs, argp, xdr_void, &res, TIMEOUT) != RPC_SUCCESS) {
+ return (NULL);
+ }
+ return ((void *)&res);
+}
+
+
+void *
+nlm_unlock_msg_1(argp, clnt)
+ struct nlm_unlockargs *argp;
+ CLIENT *clnt;
+{
+ static char res;
+
+ bzero((char *)&res, sizeof(res));
+ if (clnt_call(clnt, NLM_UNLOCK_MSG, xdr_nlm_unlockargs, argp, xdr_void, &res, TIMEOUT) != RPC_SUCCESS) {
+ return (NULL);
+ }
+ return ((void *)&res);
+}
+
+
+void *
+nlm_granted_msg_1(argp, clnt)
+ struct nlm_testargs *argp;
+ CLIENT *clnt;
+{
+ static char res;
+
+ bzero((char *)&res, sizeof(res));
+ if (clnt_call(clnt, NLM_GRANTED_MSG, xdr_nlm_testargs, argp, xdr_void, &res, TIMEOUT) != RPC_SUCCESS) {
+ return (NULL);
+ }
+ return ((void *)&res);
+}
+
+
+void *
+nlm_test_res_1(argp, clnt)
+ nlm_testres *argp;
+ CLIENT *clnt;
+{
+ static char res;
+
+ bzero((char *)&res, sizeof(res));
+ if (clnt_call(clnt, NLM_TEST_RES, xdr_nlm_testres, argp, xdr_void, &res, TIMEOUT) != RPC_SUCCESS) {
+ return (NULL);
+ }
+ return ((void *)&res);
+}
+
+
+void *
+nlm_lock_res_1(argp, clnt)
+ nlm_res *argp;
+ CLIENT *clnt;
+{
+ static char res;
+
+ bzero((char *)&res, sizeof(res));
+ if (clnt_call(clnt, NLM_LOCK_RES, xdr_nlm_res, argp, xdr_void, &res, TIMEOUT) != RPC_SUCCESS) {
+ return (NULL);
+ }
+ return ((void *)&res);
+}
+
+
+void *
+nlm_cancel_res_1(argp, clnt)
+ nlm_res *argp;
+ CLIENT *clnt;
+{
+ static char res;
+
+ bzero((char *)&res, sizeof(res));
+ if (clnt_call(clnt, NLM_CANCEL_RES, xdr_nlm_res, argp, xdr_void, &res, TIMEOUT) != RPC_SUCCESS) {
+ return (NULL);
+ }
+ return ((void *)&res);
+}
+
+
+void *
+nlm_unlock_res_1(argp, clnt)
+ nlm_res *argp;
+ CLIENT *clnt;
+{
+ static char res;
+
+ bzero((char *)&res, sizeof(res));
+ if (clnt_call(clnt, NLM_UNLOCK_RES, xdr_nlm_res, argp, xdr_void, &res, TIMEOUT) != RPC_SUCCESS) {
+ return (NULL);
+ }
+ return ((void *)&res);
+}
+
+
+void *
+nlm_granted_res_1(argp, clnt)
+ nlm_res *argp;
+ CLIENT *clnt;
+{
+ static char res;
+
+ bzero((char *)&res, sizeof(res));
+ if (clnt_call(clnt, NLM_GRANTED_RES, xdr_nlm_res, argp, xdr_void, &res, TIMEOUT) != RPC_SUCCESS) {
+ return (NULL);
+ }
+ return ((void *)&res);
+}
+
+
+nlm_shareres *
+nlm_share_3(argp, clnt)
+ nlm_shareargs *argp;
+ CLIENT *clnt;
+{
+ static nlm_shareres res;
+
+ bzero((char *)&res, sizeof(res));
+ if (clnt_call(clnt, NLM_SHARE, xdr_nlm_shareargs, argp, xdr_nlm_shareres, &res, TIMEOUT) != RPC_SUCCESS) {
+ return (NULL);
+ }
+ return (&res);
+}
+
+
+nlm_shareres *
+nlm_unshare_3(argp, clnt)
+ nlm_shareargs *argp;
+ CLIENT *clnt;
+{
+ static nlm_shareres res;
+
+ bzero((char *)&res, sizeof(res));
+ if (clnt_call(clnt, NLM_UNSHARE, xdr_nlm_shareargs, argp, xdr_nlm_shareres, &res, TIMEOUT) != RPC_SUCCESS) {
+ return (NULL);
+ }
+ return (&res);
+}
+
+
+nlm_res *
+nlm_nm_lock_3(argp, clnt)
+ nlm_lockargs *argp;
+ CLIENT *clnt;
+{
+ static nlm_res res;
+
+ bzero((char *)&res, sizeof(res));
+ if (clnt_call(clnt, NLM_NM_LOCK, xdr_nlm_lockargs, argp, xdr_nlm_res, &res, TIMEOUT) != RPC_SUCCESS) {
+ return (NULL);
+ }
+ return (&res);
+}
+
+
+void *
+nlm_free_all_3(argp, clnt)
+ nlm_notify *argp;
+ CLIENT *clnt;
+{
+ static char res;
+
+ bzero((char *)&res, sizeof(res));
+ if (clnt_call(clnt, NLM_FREE_ALL, xdr_nlm_notify, argp, xdr_void, &res, TIMEOUT) != RPC_SUCCESS) {
+ return (NULL);
+ }
+ return ((void *)&res);
+}
+
+
+int main(int argc, char **argv)
+{
+ CLIENT *cli;
+ nlm_res res_block;
+ nlm_res *out;
+ nlm_lockargs arg;
+ struct timeval tim;
+
+ printf("Creating client for host %s\n", argv[1]);
+ cli = clnt_create(argv[1], NLM_PROG, NLM_VERS, "udp");
+ if (!cli)
+ {
+ printf("Failed to create client\n");
+ exit(1);
+ }
+
+
+ clnt_control(cli, CLGET_TIMEOUT, &tim);
+ printf("Default timeout was %d.%d\n", tim.tv_sec, tim.tv_usec);
+ tim.tv_usec = -1;
+ tim.tv_sec = -1;
+ clnt_control(cli, CLSET_TIMEOUT, &tim);
+ clnt_control(cli, CLGET_TIMEOUT, &tim);
+ printf("timeout now %d.%d\n", tim.tv_sec, tim.tv_usec);
+
+
+ arg.cookie.n_len = 4;
+ arg.cookie.n_bytes = "hello";
+ arg.block = 0;
+ arg.exclusive = 0;
+ arg.reclaim = 0;
+ arg.state = 0x1234;
+ arg.alock.caller_name = "localhost";
+ arg.alock.fh.n_len = 32;
+ arg.alock.fh.n_bytes = "\x04\x04\x02\x00\x01\x00\x00\x00\x0c\x00\x00\x00\xff\xff\xff\xd0\x16\x00\x00\x5b\x7c\xff\xff\xff\xec\x2f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x19\x54\xef\xbf\xd7\x94";
+ arg.alock.oh.n_len = 8;
+ arg.alock.oh.n_bytes = "\x00\x00\x02\xff\xff\xff\xd3";
+ arg.alock.svid = 0x5678;
+ arg.alock.l_offset = 0;
+ arg.alock.l_len = 100;
+
+ res_block.stat.stat = nlm_granted;
+ res_block.cookie.n_bytes = "hello";
+ res_block.cookie.n_len = 5;
+
+#if 0
+ if (nlm_lock_res_1(&res_block, cli)) printf("Success!\n");
+ else printf("Fail\n");
+#else
+ if (out = nlm_lock_msg_1(&arg, cli))
+ {
+ printf("Success!\n");
+ printf("out->stat = %d", out->stat);
+ }
+ else
+ {
+ printf("Fail\n");
+ }
+#endif
+
+ return 0;
+}