diff --git a/configure.ac b/configure.ac
index 3058be6..5408e85 100644
--- a/configure.ac
+++ b/configure.ac
@@ -136,7 +136,7 @@ AC_ARG_ENABLE(tirpc,
[AC_HELP_STRING([--enable-tirpc],
[enable use of TI-RPC @<:@default=yes@:>@])],
enable_tirpc=$enableval,
- enable_tirpc='yes')
+ enable_tirpc='')
AC_ARG_ENABLE(ipv6,
[AC_HELP_STRING([--enable-ipv6],
[enable support for IPv6 @<:@default=no@:>@])],
diff --git a/support/export/client.c b/support/export/client.c
index dbfc2b1..ba2db8f 100644
--- a/support/export/client.c
+++ b/support/export/client.c
@@ -178,6 +178,7 @@ out_badprefix:
static int
init_netmask6(nfs_client *UNUSED(clp), const char *UNUSED(slash))
{
+ return 0;
}
#endif /* IPV6_SUPPORTED */
diff --git a/support/export/export.c b/support/export/export.c
index f528603..4fda30a 100644
--- a/support/export/export.c
+++ b/support/export/export.c
@@ -38,6 +38,7 @@ export_free(nfs_export *exp)
xfree(exp->m_export.e_sqgids);
free(exp->m_export.e_mountpoint);
free(exp->m_export.e_fslocdata);
+ free(exp->m_export.e_uuid);
xfree(exp->m_export.e_hostname);
xfree(exp);
diff --git a/support/export/hostname.c b/support/export/hostname.c
index 3c55ce7..efcb75c 100644
--- a/support/export/hostname.c
+++ b/support/export/hostname.c
@@ -30,10 +30,6 @@
#include "sockaddr.h"
#include "exportfs.h"
-#ifndef HAVE_DECL_AI_ADDRCONFIG
-#define AI_ADDRCONFIG 0
-#endif
-
/**
* host_ntop - generate presentation address given a sockaddr
* @sap: pointer to socket address
@@ -170,7 +166,7 @@ host_addrinfo(const char *hostname)
#endif
/* don't return duplicates */
.ai_protocol = (int)IPPROTO_UDP,
- .ai_flags = AI_ADDRCONFIG | AI_CANONNAME,
+ .ai_flags = AI_CANONNAME,
};
int error;
diff --git a/support/include/nfslib.h b/support/include/nfslib.h
index 3db5bec..53ece0e 100644
--- a/support/include/nfslib.h
+++ b/support/include/nfslib.h
@@ -163,6 +163,12 @@ void closeall(int min);
int svctcp_socket (u_long __number, int __reuse);
int svcudp_socket (u_long __number);
+/* Misc shared code prototypes */
+size_t strlcat(char *, const char *, size_t);
+size_t strlcpy(char *, const char *, size_t);
+ssize_t atomicio(ssize_t (*f) (int, void*, size_t),
+ int, void *, size_t);
+
#define UNUSED(x) UNUSED_ ## x __attribute__((unused))
diff --git a/support/nfs/Makefile.am b/support/nfs/Makefile.am
index 60400b2..05c2fc4 100644
--- a/support/nfs/Makefile.am
+++ b/support/nfs/Makefile.am
@@ -5,7 +5,7 @@ libnfs_a_SOURCES = exports.c rmtab.c xio.c rpcmisc.c rpcdispatch.c \
xlog.c xcommon.c wildmat.c nfsclient.c \
nfsexport.c getfh.c nfsctl.c rpc_socket.c getport.c \
svc_socket.c cacheio.c closeall.c nfs_mntent.c conffile.c \
- svc_create.c
+ svc_create.c atomicio.c strlcpy.c strlcat.c
MAINTAINERCLEANFILES = Makefile.in
diff --git a/support/nfs/atomicio.c b/support/nfs/atomicio.c
new file mode 100644
index 0000000..5e760e6
--- /dev/null
+++ b/support/nfs/atomicio.c
@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2002 Marius Aamodt Eriksen <marius@monkey.org>
+ * Copyright (c) 1995,1999 Theo de Raadt. All rights reserved.
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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 <sys/types.h>
+#include <unistd.h>
+#include <errno.h>
+
+/*
+ * ensure all of data on socket comes through. f==read || f==write
+ */
+ssize_t atomicio(ssize_t(*f) (int, void *, size_t), int fd, void *_s, size_t n)
+{
+ char *s = _s;
+ ssize_t res, pos = 0;
+
+ while ((ssize_t)n > pos) {
+ res = (f) (fd, s + pos, n - pos);
+ switch (res) {
+ case -1:
+ if (errno == EINTR || errno == EAGAIN)
+ continue;
+ case 0:
+ if (pos != 0)
+ return pos;
+ return res;
+ default:
+ pos += res;
+ }
+ }
+ return pos;
+}
diff --git a/support/nfs/exports.c b/support/nfs/exports.c
index a93941c..1744ed6 100644
--- a/support/nfs/exports.c
+++ b/support/nfs/exports.c
@@ -332,6 +332,8 @@ dupexportent(struct exportent *dst, struct exportent *src)
dst->e_mountpoint = strdup(src->e_mountpoint);
if (src->e_fslocdata)
dst->e_fslocdata = strdup(src->e_fslocdata);
+ if (src->e_uuid)
+ dst->e_uuid = strdup(src->e_uuid);
dst->e_hostname = NULL;
}
diff --git a/support/nfs/strlcat.c b/support/nfs/strlcat.c
new file mode 100644
index 0000000..daedd7a
--- /dev/null
+++ b/support/nfs/strlcat.c
@@ -0,0 +1,76 @@
+/* $OpenBSD: strlcat.c,v 1.8 2001/05/13 15:40:15 deraadt Exp $ */
+
+/*
+ * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
+ * 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. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED ``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 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.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char *rcsid = "$OpenBSD: strlcat.c,v 1.8 2001/05/13 15:40:15 deraadt Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+#include <sys/types.h>
+#include <string.h>
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+/*
+ * Appends src to string dst of size siz (unlike strncat, siz is the
+ * full size of dst, not space left). At most siz-1 characters
+ * will be copied. Always NUL terminates (unless siz <= strlen(dst)).
+ * Returns strlen(src) + MIN(siz, strlen(initial dst)).
+ * If retval >= siz, truncation occurred.
+ */
+size_t
+strlcat(char *dst,
+ const char *src,
+ size_t siz)
+{
+ register char *d = dst;
+ register const char *s = src;
+ register size_t n = siz;
+ size_t dlen;
+
+ /* Find the end of dst and adjust bytes left but don't go past end */
+ while (n-- != 0 && *d != '\0')
+ d++;
+ dlen = d - dst;
+ n = siz - dlen;
+
+ if (n == 0)
+ return(dlen + strlen(s));
+ while (*s != '\0') {
+ if (n != 1) {
+ *d++ = *s;
+ n--;
+ }
+ s++;
+ }
+ *d = '\0';
+
+ return(dlen + (s - src)); /* count does not include NUL */
+}
diff --git a/support/nfs/strlcpy.c b/support/nfs/strlcpy.c
new file mode 100644
index 0000000..a2653ee
--- /dev/null
+++ b/support/nfs/strlcpy.c
@@ -0,0 +1,72 @@
+/* $OpenBSD: strlcpy.c,v 1.5 2001/05/13 15:40:16 deraadt Exp $ */
+
+/*
+ * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
+ * 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. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED ``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 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.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char *rcsid = "$OpenBSD: strlcpy.c,v 1.5 2001/05/13 15:40:16 deraadt Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+#include <sys/types.h>
+#include <string.h>
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+/*
+ * Copy src to string dst of size siz. At most siz-1 characters
+ * will be copied. Always NUL terminates (unless siz == 0).
+ * Returns strlen(src); if retval >= siz, truncation occurred.
+ */
+size_t
+strlcpy(char *dst,
+ const char *src,
+ size_t siz)
+{
+ register char *d = dst;
+ register const char *s = src;
+ register size_t n = siz;
+
+ /* Copy as many bytes as will fit */
+ if (n != 0 && --n != 0) {
+ do {
+ if ((*d++ = *s++) == 0)
+ break;
+ } while (--n != 0);
+ }
+
+ /* Not enough room in dst, add NUL and traverse rest of src */
+ if (n == 0) {
+ if (siz != 0)
+ *d = '\0'; /* NUL-terminate dst */
+ while (*s++)
+ ;
+ }
+
+ return(s - src - 1); /* count does not include NUL */
+}
diff --git a/support/nfs/svc_create.c b/support/nfs/svc_create.c
index 59ba505..b3f75ed 100644
--- a/support/nfs/svc_create.c
+++ b/support/nfs/svc_create.c
@@ -27,6 +27,7 @@
#include <memory.h>
#include <signal.h>
#include <unistd.h>
+#include <errno.h>
#include <netdb.h>
#include <netinet/in.h>
@@ -41,11 +42,68 @@
#include "tcpwrapper.h"
#endif
+#include "sockaddr.h"
#include "rpcmisc.h"
#include "xlog.h"
#ifdef HAVE_LIBTIRPC
+#define SVC_CREATE_XPRT_CACHE_SIZE (8)
+static SVCXPRT *svc_create_xprt_cache[SVC_CREATE_XPRT_CACHE_SIZE] = { NULL, };
+
+/*
+ * Cache an SVC xprt, in case there are more programs or versions to
+ * register against it.
+ */
+static void
+svc_create_cache_xprt(SVCXPRT *xprt)
+{
+ unsigned int i;
+
+ /* Check if we've already got this one... */
+ for (i = 0; i < SVC_CREATE_XPRT_CACHE_SIZE; i++)
+ if (svc_create_xprt_cache[i] == xprt)
+ return;
+
+ /* No, we don't. Cache it. */
+ for (i = 0; i < SVC_CREATE_XPRT_CACHE_SIZE; i++)
+ if (svc_create_xprt_cache[i] == NULL) {
+ svc_create_xprt_cache[i] = xprt;
+ return;
+ }
+
+ xlog(L_ERROR, "%s: Failed to cache an xprt", __func__);
+}
+
+/*
+ * Find a previously cached SVC xprt structure with the given bind address
+ * and transport semantics.
+ *
+ * Returns pointer to a cached SVC xprt.
+ *
+ * If no matching SVC XPRT can be found, NULL is returned.
+ */
+static SVCXPRT *
+svc_create_find_xprt(const struct sockaddr *bindaddr, const struct netconfig *nconf)
+{
+ unsigned int i;
+
+ for (i = 0; i < SVC_CREATE_XPRT_CACHE_SIZE; i++) {
+ SVCXPRT *xprt = svc_create_xprt_cache[i];
+ struct sockaddr *sap;
+
+ if (xprt == NULL)
+ continue;
+ if (strcmp(nconf->nc_netid, xprt->xp_netid) != 0)
+ continue;
+ sap = (struct sockaddr *)xprt->xp_ltaddr.buf;
+ if (!nfs_compare_sockaddr(bindaddr, sap))
+ continue;
+ return xprt;
+ }
+ return NULL;
+}
+
/*
* Set up an appropriate bind address, given @port and @nconf.
*
@@ -98,17 +156,113 @@ svc_create_bindaddr(struct netconfig *nconf, const uint16_t port)
return ai;
}
+/*
+ * Create a listener socket on a specific bindaddr, and set
+ * special socket options to allow it to share the same port
+ * as other listeners.
+ *
+ * Returns an open, bound, and possibly listening network
+ * socket on success.
+ *
+ * Otherwise returns -1 if some error occurs.
+ */
+static int
+svc_create_sock(const struct sockaddr *sap, socklen_t salen,
+ struct netconfig *nconf)
+{
+ int fd, type, protocol;
+ int one = 1;
+
+ switch(nconf->nc_semantics) {
+ case NC_TPI_CLTS:
+ type = SOCK_DGRAM;
+ break;
+ case NC_TPI_COTS_ORD:
+ type = SOCK_STREAM;
+ break;
+ default:
+ xlog(D_GENERAL, "%s: Unrecognized bind address semantics: %u",
+ __func__, nconf->nc_semantics);
+ return -1;
+ }
+
+ if (strcmp(nconf->nc_proto, NC_UDP) == 0)
+ protocol = (int)IPPROTO_UDP;
+ else if (strcmp(nconf->nc_proto, NC_TCP) == 0)
+ protocol = (int)IPPROTO_TCP;
+ else {
+ xlog(D_GENERAL, "%s: Unrecognized bind address protocol: %s",
+ __func__, nconf->nc_proto);
+ return -1;
+ }
+
+ fd = socket((int)sap->sa_family, type, protocol);
+ if (fd == -1) {
+ xlog(L_ERROR, "Could not make a socket: (%d) %m",
+ errno);
+ return -1;
+ }
+
+#ifdef IPV6_SUPPORTED
+ if (sap->sa_family == AF_INET6) {
+ if (setsockopt(fd, IPPROTO_IPV6, IPV6_V6ONLY,
+ &one, sizeof(one)) == -1) {
+ xlog(L_ERROR, "Failed to set IPV6_V6ONLY: (%d) %m",
+ errno);
+ (void)close(fd);
+ return -1;
+ }
+ }
+#endif /* IPV6_SUPPORTED */
+
+ if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR,
+ &one, sizeof(one)) == -1) {
+ xlog(L_ERROR, "Failed to set SO_REUSEADDR: (%d) %m",
+ errno);
+ (void)close(fd);
+ return -1;
+ }
+
+ if (bind(fd, sap, salen) == -1) {
+ xlog(L_ERROR, "Could not bind socket: (%d) %m",
+ errno);
+ (void)close(fd);
+ return -1;
+ }
+
+ if (nconf->nc_semantics == NC_TPI_COTS_ORD)
+ if (listen(fd, SOMAXCONN) == -1) {
+ xlog(L_ERROR, "Could not listen on socket: (%d) %m",
+ errno);
+ (void)close(fd);
+ return -1;
+ }
+
+ return fd;
+}
+
+/*
+ * The simple case is allowing the TI-RPC library to create a
+ * transport itself, given just the bind address and transport
+ * semantics.
+ *
+ * Our local xprt cache is ignored in this path, since the
+ * caller is not interested in sharing listeners or ports, and
+ * the library automatically avoids ports already in use.
+ *
+ * Returns the count of started listeners (one or zero).
+ */
static unsigned int
-svc_create_nconf(const char *name, const rpcprog_t program,
+svc_create_nconf_rand_port(const char *name, const rpcprog_t program,
const rpcvers_t version,
void (*dispatch)(struct svc_req *, SVCXPRT *),
- const uint16_t port, struct netconfig *nconf)
+ struct netconfig *nconf)
{
struct t_bind bindaddr;
struct addrinfo *ai;
SVCXPRT *xprt;
- ai = svc_create_bindaddr(nconf, port);
+ ai = svc_create_bindaddr(nconf, 0);
if (ai == NULL)
return 0;
@@ -119,7 +273,7 @@ svc_create_nconf(const char *name, const rpcprog_t program,
freeaddrinfo(ai);
if (xprt == NULL) {
xlog(D_GENERAL, "Failed to create listener xprt "
- "(%s, %u, %s)", name, version, nconf->nc_netid);
+ "(%s, %u, %s)", name, version, nconf->nc_netid);
return 0;
}
@@ -133,6 +287,93 @@ svc_create_nconf(const char *name, const rpcprog_t program,
return 1;
}
+/*
+ * If a port is specified on the command line, that port value will be
+ * the same for all listeners created here. Create each listener
+ * socket in advance and set SO_REUSEADDR, rather than allowing the
+ * RPC library to create the listeners for us on a randomly chosen
+ * port via svc_tli_create(RPC_ANYFD).
+ *
+ * Some callers want to listen for more than one RPC version using the
+ * same port number. For example, mountd could want to listen for MNT
+ * version 1, 2, and 3 requests. This means mountd must use the same
+ * set of listener sockets for multiple RPC versions, since, on one
+ * system, you can't have two listener sockets with the exact same
+ * bind address (and port) and transport protocol.
+ *
+ * To accomplish this, this function caches xprts as they are created.
+ * This cache is checked to see if a previously created xprt can be
+ * used, before creating a new xprt for this [program, version]. If
+ * there is a cached xprt with the same bindaddr and transport
+ * semantics, we simply register the new version with that xprt,
+ * rather than creating a fresh xprt for it.
+ *
+ * The xprt cache implemented here is local to a process. Two
+ * separate RPC daemons can not share a set of listeners.
+ *
+ * Returns the count of started listeners (one or zero).
+ */
+static unsigned int
+svc_create_nconf_fixed_port(const char *name, const rpcprog_t program,
+ const rpcvers_t version,
+ void (*dispatch)(struct svc_req *, SVCXPRT *),
+ const uint16_t port, struct netconfig *nconf)
+{
+ struct addrinfo *ai;
+ SVCXPRT *xprt;
+
+ ai = svc_create_bindaddr(nconf, port);
+ if (ai == NULL)
+ return 0;
+
+ xprt = svc_create_find_xprt(ai->ai_addr, nconf);
+ if (xprt == NULL) {
+ int fd;
+
+ fd = svc_create_sock(ai->ai_addr, ai->ai_addrlen, nconf);
+ if (fd == -1)
+ goto out_free;
+
+ xprt = svc_tli_create(fd, nconf, NULL, 0, 0);
+ if (xprt == NULL) {
+ xlog(D_GENERAL, "Failed to create listener xprt "
+ "(%s, %u, %s)", name, version, nconf->nc_netid);
+ (void)close(fd);
+ goto out_free;
+ }
+ }
+
+ if (!svc_reg(xprt, program, version, dispatch, nconf)) {
+ /* svc_reg(3) destroys @xprt in this case */
+ xlog(D_GENERAL, "Failed to register (%s, %u, %s)",
+ name, version, nconf->nc_netid);
+ goto out_free;
+ }
+
+ svc_create_cache_xprt(xprt);
+
+ freeaddrinfo(ai);
+ return 1;
+
+out_free:
+ freeaddrinfo(ai);
+ return 0;
+}
+
+static unsigned int
+svc_create_nconf(const char *name, const rpcprog_t program,
+ const rpcvers_t version,
+ void (*dispatch)(struct svc_req *, SVCXPRT *),
+ const uint16_t port, struct netconfig *nconf)
+{
+ if (port != 0)
+ return svc_create_nconf_fixed_port(name, program,
+ version, dispatch, port, nconf);
+
+ return svc_create_nconf_rand_port(name, program,
+ version, dispatch, nconf);
+}
+
/**
* nfs_svc_create - start up RPC svc listeners
* @name: C string containing name of new service
@@ -145,8 +386,7 @@ svc_create_nconf(const char *name, const rpcprog_t program,
* the RPC dispatcher. Returns the number of started network transports.
*/
unsigned int
-nfs_svc_create(__attribute__((unused)) char *name,
- const rpcprog_t program, const rpcvers_t version,
+nfs_svc_create(char *name, const rpcprog_t program, const rpcvers_t version,
void (*dispatch)(struct svc_req *, SVCXPRT *),
const uint16_t port)
{
diff --git a/tests/nsm_client/nsm_client.c b/tests/nsm_client/nsm_client.c
index 0d1159a..0fa3422 100644
--- a/tests/nsm_client/nsm_client.c
+++ b/tests/nsm_client/nsm_client.c
@@ -205,7 +205,7 @@ nsm_client_get_rpcclient(const char *node)
{
unsigned short port;
struct addrinfo *ai;
- struct addrinfo hints = { .ai_flags = AI_ADDRCONFIG };
+ struct addrinfo hints = { };
int err;
CLIENT *client = NULL;
diff --git a/utils/exportfs/exports.man b/utils/exportfs/exports.man
index c726dd9..4e3edc5 100644
--- a/utils/exportfs/exports.man
+++ b/utils/exportfs/exports.man
@@ -145,7 +145,9 @@ storage (see
.IR async
above).
-In releases of nfs-utils up to and including 1.0.0, this option was the
+In releases of nfs-utils up to and including 1.0.0, the
+.I async
+option was the
default. In all releases after 1.0.0,
.I sync
is the default, and
@@ -375,20 +377,6 @@ If the client asks for alternative locations for the export point, it
will be given this list of alternatives. (Note that actual replication
of the filesystem must be handled elsewhere.)
-.TP
-.IR refer= path@host[+host][:path@host[+host]]
-A client referencing the export point will be directed to choose from
-the given list an alternative location for the filesystem.
-(Note that the server must have a mountpoint here, though a different
-filesystem is not required; so, for example,
-.IR "mount --bind" " /path /path"
-is sufficient.)
-.TP
-.IR replicas= path@host[+host][:path@host[+host]]
-If the client asks for alternative locations for the export point, it
-will be given this list of alternatives. (Note that actual replication
-of the filesystem must be handled elsewhere.)
-
.SS User ID Mapping
.PP
.B nfsd
diff --git a/utils/idmapd/Makefile.am b/utils/idmapd/Makefile.am
index 4218048..4328e41 100644
--- a/utils/idmapd/Makefile.am
+++ b/utils/idmapd/Makefile.am
@@ -11,12 +11,8 @@ EXTRA_DIST = \
idmapd.conf
idmapd_SOURCES = \
- atomicio.c \
idmapd.c \
- strlcat.c \
- strlcpy.c \
\
- cfg.h \
nfs_idmap.h \
queue.h
diff --git a/utils/idmapd/atomicio.c b/utils/idmapd/atomicio.c
deleted file mode 100644
index 1fb1ff9..0000000
--- a/utils/idmapd/atomicio.c
+++ /dev/null
@@ -1,64 +0,0 @@
-/*
- * Copyright (c) 2002 Marius Aamodt Eriksen <marius@monkey.org>
- * Copyright (c) 1995,1999 Theo de Raadt. All rights reserved.
- * 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.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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 <sys/types.h>
-#include <unistd.h>
-#include <errno.h>
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif /* HAVE_CONFIG_H */
-
-/*
- * ensure all of data on socket comes through. f==read || f==write
- */
-ssize_t
-atomicio(
- ssize_t (*f) (int, void*, size_t),
- int fd,
- void *_s,
- size_t n)
-{
- char *s = _s;
- ssize_t res;
- size_t pos = 0;
-
- while (n > pos) {
- res = (f) (fd, s + pos, n - pos);
- switch (res) {
- case -1:
- if (errno == EINTR || errno == EAGAIN)
- continue;
- case 0:
- if (pos != 0)
- return (pos);
- return (res);
- default:
- pos += res;
- }
- }
- return (pos);
-}
diff --git a/utils/idmapd/idmapd.c b/utils/idmapd/idmapd.c
index b76607a..76a56ef 100644
--- a/utils/idmapd/idmapd.c
+++ b/utils/idmapd/idmapd.c
@@ -158,10 +158,6 @@ static int nfsdopenone(struct idmap_client *);
static void nfsdreopen_one(struct idmap_client *);
static void nfsdreopen(void);
-size_t strlcat(char *, const char *, size_t);
-size_t strlcpy(char *, const char *, size_t);
-ssize_t atomicio(ssize_t (*f) (int, void*, size_t),
- int, void *, size_t);
void mydaemon(int, int);
void release_parent(void);
diff --git a/utils/idmapd/strlcat.c b/utils/idmapd/strlcat.c
deleted file mode 100644
index daedd7a..0000000
--- a/utils/idmapd/strlcat.c
+++ /dev/null
@@ -1,76 +0,0 @@
-/* $OpenBSD: strlcat.c,v 1.8 2001/05/13 15:40:15 deraadt Exp $ */
-
-/*
- * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
- * 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. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED ``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 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.
- */
-
-#if defined(LIBC_SCCS) && !defined(lint)
-static char *rcsid = "$OpenBSD: strlcat.c,v 1.8 2001/05/13 15:40:15 deraadt Exp $";
-#endif /* LIBC_SCCS and not lint */
-
-#include <sys/types.h>
-#include <string.h>
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif /* HAVE_CONFIG_H */
-
-/*
- * Appends src to string dst of size siz (unlike strncat, siz is the
- * full size of dst, not space left). At most siz-1 characters
- * will be copied. Always NUL terminates (unless siz <= strlen(dst)).
- * Returns strlen(src) + MIN(siz, strlen(initial dst)).
- * If retval >= siz, truncation occurred.
- */
-size_t
-strlcat(char *dst,
- const char *src,
- size_t siz)
-{
- register char *d = dst;
- register const char *s = src;
- register size_t n = siz;
- size_t dlen;
-
- /* Find the end of dst and adjust bytes left but don't go past end */
- while (n-- != 0 && *d != '\0')
- d++;
- dlen = d - dst;
- n = siz - dlen;
-
- if (n == 0)
- return(dlen + strlen(s));
- while (*s != '\0') {
- if (n != 1) {
- *d++ = *s;
- n--;
- }
- s++;
- }
- *d = '\0';
-
- return(dlen + (s - src)); /* count does not include NUL */
-}
diff --git a/utils/idmapd/strlcpy.c b/utils/idmapd/strlcpy.c
deleted file mode 100644
index a2653ee..0000000
--- a/utils/idmapd/strlcpy.c
+++ /dev/null
@@ -1,72 +0,0 @@
-/* $OpenBSD: strlcpy.c,v 1.5 2001/05/13 15:40:16 deraadt Exp $ */
-
-/*
- * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
- * 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. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED ``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 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.
- */
-
-#if defined(LIBC_SCCS) && !defined(lint)
-static char *rcsid = "$OpenBSD: strlcpy.c,v 1.5 2001/05/13 15:40:16 deraadt Exp $";
-#endif /* LIBC_SCCS and not lint */
-
-#include <sys/types.h>
-#include <string.h>
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif /* HAVE_CONFIG_H */
-
-/*
- * Copy src to string dst of size siz. At most siz-1 characters
- * will be copied. Always NUL terminates (unless siz == 0).
- * Returns strlen(src); if retval >= siz, truncation occurred.
- */
-size_t
-strlcpy(char *dst,
- const char *src,
- size_t siz)
-{
- register char *d = dst;
- register const char *s = src;
- register size_t n = siz;
-
- /* Copy as many bytes as will fit */
- if (n != 0 && --n != 0) {
- do {
- if ((*d++ = *s++) == 0)
- break;
- } while (--n != 0);
- }
-
- /* Not enough room in dst, add NUL and traverse rest of src */
- if (n == 0) {
- if (siz != 0)
- *d = '\0'; /* NUL-terminate dst */
- while (*s++)
- ;
- }
-
- return(s - src - 1); /* count does not include NUL */
-}
diff --git a/utils/mount/fstab.c b/utils/mount/fstab.c
index 051fa38..a742e64 100644
--- a/utils/mount/fstab.c
+++ b/utils/mount/fstab.c
@@ -364,19 +364,22 @@ lock_mtab (void) {
/* Repeat until it was us who made the link */
while (!we_created_lockfile) {
struct flock flock;
- int errsv, j;
+ int j;
j = link(linktargetfile, MOUNTED_LOCK);
- errsv = errno;
- if (j == 0)
- we_created_lockfile = 1;
+ {
+ int errsv = errno;
- if (j < 0 && errsv != EEXIST) {
- (void) unlink(linktargetfile);
- die (EX_FILEIO, _("can't link lock file %s: %s "
- "(use -n flag to override)"),
- MOUNTED_LOCK, strerror (errsv));
+ if (j == 0)
+ we_created_lockfile = 1;
+
+ if (j < 0 && errsv != EEXIST) {
+ (void) unlink(linktargetfile);
+ die (EX_FILEIO, _("can't link lock file %s: %s "
+ "(use -n flag to override)"),
+ MOUNTED_LOCK, strerror (errsv));
+ }
}
lockfile_fd = open (MOUNTED_LOCK, O_WRONLY);
@@ -414,7 +417,7 @@ lock_mtab (void) {
}
(void) unlink(linktargetfile);
} else {
- static int tries = 0;
+ static int retries = 0;
/* Someone else made the link. Wait. */
alarm(LOCK_TIMEOUT);
@@ -428,10 +431,10 @@ lock_mtab (void) {
alarm(0);
/* Limit the number of iterations - maybe there
still is some old /etc/mtab~ */
- ++tries;
- if (tries % 200 == 0)
+ ++retries;
+ if (retries % 200 == 0)
usleep(30);
- if (tries > 100000) {
+ if (retries > 100000) {
(void) unlink(linktargetfile);
close(lockfile_fd);
die (EX_FILEIO, _("Cannot create link %s\n"
diff --git a/utils/mount/mount.c b/utils/mount/mount.c
index 82b9169..a19af53 100644
--- a/utils/mount/mount.c
+++ b/utils/mount/mount.c
@@ -209,7 +209,7 @@ static char *fix_opts_string(int flags, const char *extra_opts)
}
if (flags & MS_USERS)
new_opts = xstrconcat3(new_opts, ",users", "");
-
+
for (om = opt_map; om->opt != NULL; om++) {
if (om->skip)
continue;
@@ -224,6 +224,20 @@ static char *fix_opts_string(int flags, const char *extra_opts)
return new_opts;
}
+static void
+init_mntent(struct mntent *mnt, char *fsname, char *dir, char *type,
+ int flags, char *opts)
+{
+ mnt->mnt_fsname = fsname;
+ mnt->mnt_dir = dir;
+ mnt->mnt_type = type;
+ mnt->mnt_opts = fix_opts_string(flags & ~MS_NOMTAB, opts);
+
+ /* these are always zero for NFS */
+ mnt->mnt_freq = 0;
+ mnt->mnt_passno = 0;
+}
+
/* Create mtab with a root entry. */
static void
create_mtab (void) {
@@ -245,11 +259,8 @@ create_mtab (void) {
if ((fstab = getfsfile ("/")) || (fstab = getfsfile ("root"))) {
char *extra_opts;
parse_opts (fstab->m.mnt_opts, &flags, &extra_opts);
- mnt.mnt_dir = "/";
- mnt.mnt_fsname = xstrdup(fstab->m.mnt_fsname);
- mnt.mnt_type = fstab->m.mnt_type;
- mnt.mnt_opts = fix_opts_string (flags, extra_opts);
- mnt.mnt_freq = mnt.mnt_passno = 0;
+ init_mntent(&mnt, xstrdup(fstab->m.mnt_fsname), "/",
+ fstab->m.mnt_type, flags, extra_opts);
free(extra_opts);
if (nfs_addmntent (mfp, &mnt) == 1) {
@@ -273,17 +284,12 @@ create_mtab (void) {
}
static int add_mtab(char *spec, char *mount_point, char *fstype,
- int flags, char *opts, int freq, int pass)
+ int flags, char *opts)
{
struct mntent ment;
int result = EX_SUCCESS;
- ment.mnt_fsname = spec;
- ment.mnt_dir = mount_point;
- ment.mnt_type = fstype;
- ment.mnt_opts = fix_opts_string(flags, opts);
- ment.mnt_freq = freq;
- ment.mnt_passno = pass;
+ init_mntent(&ment, spec, mount_point, fstype, flags, opts);
if (!nomtab && mtab_does_not_exist()) {
if (verbose > 1)
@@ -321,7 +327,7 @@ static int add_mtab(char *spec, char *mount_point, char *fstype,
return result;
}
-void mount_usage(void)
+static void mount_usage(void)
{
printf(_("usage: %s remotetarget dir [-rvVwfnsih] [-o nfsoptions]\n"),
progname);
@@ -337,7 +343,7 @@ void mount_usage(void)
printf(_("\tnfsoptions\tRefer to mount.nfs(8) or nfs(5)\n\n"));
}
-static void parse_opt(const char *opt, int *mask, char *extra_opts, int len)
+static void parse_opt(const char *opt, int *mask, char *extra_opts, size_t len)
{
const struct opt_map *om;
@@ -371,7 +377,7 @@ static void parse_opts(const char *options, int *flags, char **extra_opts)
if (options != NULL) {
char *opts = xstrdup(options);
char *opt, *p;
- int len = strlen(opts) + 1; /* include room for a null */
+ size_t len = strlen(opts) + 1; /* include room for a null */
int open_quote = 0;
*extra_opts = xmalloc(len);
@@ -441,9 +447,7 @@ static int try_mount(char *spec, char *mount_point, int flags,
if (!fake)
print_one(spec, mount_point, fs_type, mount_opts);
- ret = add_mtab(spec, mount_point, fs_type, flags, *extra_opts,
- 0, 0 /* these are always zero for NFS */ );
- return ret;
+ return add_mtab(spec, mount_point, fs_type, flags, *extra_opts);
}
int main(int argc, char *argv[])
diff --git a/utils/mount/mount_config.h b/utils/mount/mount_config.h
index 3023306..e86b4ba 100644
--- a/utils/mount/mount_config.h
+++ b/utils/mount/mount_config.h
@@ -1,7 +1,7 @@
-#ifndef _LINUX_MOUNT__CONFIG_H
-#define _LINUX_MOUNT_CONFIG__H
+#ifndef _LINUX_MOUNT_CONFIG_H
+#define _LINUX_MOUNT_CONFIG_H
/*
- * mount_config.h -- mount configuration file routines
+ * mount_config.h -- mount configuration file routines
* Copyright (C) 2008 Red Hat, Inc <nfs@redhat.com>
*
* This program is free software; you can redistribute it and/or modify
@@ -16,15 +16,13 @@
*
*/
-inline void mount_config_init(char *);
-
#ifdef MOUNT_CONFIG
#include "conffile.h"
#include "xlog.h"
extern char *conf_get_mntopts(char *, char *, char *);
-inline void mount_config_init(char *program)
+static inline void mount_config_init(char *program)
{
xlog_open(program);
/*
@@ -32,19 +30,22 @@ inline void mount_config_init(char *program)
*/
conf_init();
}
-inline char *mount_config_opts(char *spec,
+
+static inline char *mount_config_opts(char *spec,
char *mount_point, char *mount_opts)
{
return conf_get_mntopts(spec, mount_point, mount_opts);
}
+
#else /* MOUNT_CONFIG */
-inline void mount_config_init(char *program) { }
+static inline void mount_config_init(char *program) { }
-inline char *mount_config_opts(char *spec,
+static inline char *mount_config_opts(char *spec,
char *mount_point, char *mount_opts)
{
return mount_opts;
}
#endif /* MOUNT_CONFIG */
-#endif
+
+#endif /* _LINUX_MOUNT_CONFIG_H */
diff --git a/utils/mount/mount_constants.h b/utils/mount/mount_constants.h
index cbfb099..4d050d8 100644
--- a/utils/mount/mount_constants.h
+++ b/utils/mount/mount_constants.h
@@ -64,4 +64,8 @@ if we have a stack or plain mount - mount atop of it, forming a stack. */
#define MS_MGC_MSK 0xffff0000 /* magic flag number mask */
#endif
+/* Generic options that are prevented from appearing
+ * in the options field in /etc/mtab. */
+#define MS_NOMTAB (MS_REMOUNT)
+
#endif /* _NFS_UTILS_MOUNT_CONSTANTS_H */
diff --git a/utils/mount/network.c b/utils/mount/network.c
index d612427..21a7a2c 100644
--- a/utils/mount/network.c
+++ b/utils/mount/network.c
@@ -59,6 +59,8 @@
#define CONNECT_TIMEOUT (20)
#define MOUNT_TIMEOUT (30)
+#define SAFE_SOCKADDR(x) (struct sockaddr *)(char *)(x)
+
extern int nfs_mount_data_version;
extern char *progname;
extern int verbose;
@@ -208,9 +210,6 @@ int nfs_lookup(const char *hostname, const sa_family_t family,
{
struct addrinfo *gai_results;
struct addrinfo gai_hint = {
-#ifdef HAVE_DECL_AI_ADDRCONFIG
- .ai_flags = AI_ADDRCONFIG,
-#endif /* HAVE_DECL_AI_ADDRCONFIG */
.ai_family = family,
};
socklen_t len = *salen;
@@ -428,12 +427,12 @@ static int get_socket(struct sockaddr_in *saddr, unsigned int p_prot,
if (bindresvport(so, &laddr) < 0)
goto err_bindresvport;
} else {
- cc = bind(so, (struct sockaddr *)&laddr, namelen);
+ cc = bind(so, SAFE_SOCKADDR(&laddr), namelen);
if (cc < 0)
goto err_bind;
}
if (type == SOCK_STREAM || (conn && type == SOCK_DGRAM)) {
- cc = connect_to(so, (struct sockaddr *)saddr, namelen,
+ cc = connect_to(so, SAFE_SOCKADDR(saddr), namelen,
timeout);
if (cc < 0)
goto err_connect;
@@ -756,11 +755,12 @@ int nfs_probe_bothports(const struct sockaddr *mnt_saddr,
*/
int probe_bothports(clnt_addr_t *mnt_server, clnt_addr_t *nfs_server)
{
- return nfs_probe_bothports((struct sockaddr *)&mnt_server->saddr,
- sizeof(mnt_server->saddr),
+ struct sockaddr *mnt_addr = SAFE_SOCKADDR(&mnt_server->saddr);
+ struct sockaddr *nfs_addr = SAFE_SOCKADDR(&nfs_server->saddr);
+
+ return nfs_probe_bothports(mnt_addr, sizeof(mnt_server->saddr),
&mnt_server->pmap,
- (struct sockaddr *)&nfs_server->saddr,
- sizeof(nfs_server->saddr),
+ nfs_addr, sizeof(nfs_server->saddr),
&nfs_server->pmap);
}
@@ -772,7 +772,7 @@ static int nfs_probe_statd(void)
};
rpcprog_t program = nfs_getrpcbyname(NSMPROG, nfs_ns_pgmtbl);
- return nfs_getport_ping((struct sockaddr *)&addr, sizeof(addr),
+ return nfs_getport_ping(SAFE_SOCKADDR(&addr), sizeof(addr),
program, (rpcvers_t)1, IPPROTO_UDP);
}
@@ -901,7 +901,7 @@ int nfs_advise_umount(const struct sockaddr *sap, const socklen_t salen,
*/
int nfs_call_umount(clnt_addr_t *mnt_server, dirpath *argp)
{
- struct sockaddr *sap = (struct sockaddr *)&mnt_server->saddr;
+ struct sockaddr *sap = SAFE_SOCKADDR(&mnt_server->saddr);
socklen_t salen = sizeof(mnt_server->saddr);
struct pmap *pmap = &mnt_server->pmap;
CLIENT *clnt;
@@ -1011,11 +1011,11 @@ int clnt_ping(struct sockaddr_in *saddr, const unsigned long prog,
struct sockaddr_in *caddr)
{
CLIENT *clnt = NULL;
- int sock, stat;
+ int sock, status;
static char clnt_res;
struct sockaddr dissolve;
- rpc_createerr.cf_stat = stat = 0;
+ rpc_createerr.cf_stat = status = 0;
sock = get_socket(saddr, prot, CONNECT_TIMEOUT, FALSE, TRUE);
if (sock == RPC_ANYSOCK) {
if (rpc_createerr.cf_error.re_errno == ETIMEDOUT) {
@@ -1058,18 +1058,18 @@ int clnt_ping(struct sockaddr_in *saddr, const unsigned long prog,
return 0;
}
memset(&clnt_res, 0, sizeof(clnt_res));
- stat = clnt_call(clnt, NULLPROC,
+ status = clnt_call(clnt, NULLPROC,
(xdrproc_t)xdr_void, (caddr_t)NULL,
(xdrproc_t)xdr_void, (caddr_t)&clnt_res,
TIMEOUT);
- if (stat) {
+ if (status) {
clnt_geterr(clnt, &rpc_createerr.cf_error);
- rpc_createerr.cf_stat = stat;
+ rpc_createerr.cf_stat = status;
}
clnt_destroy(clnt);
close(sock);
- if (stat == RPC_SUCCESS)
+ if (status == RPC_SUCCESS)
return 1;
else
return 0;
@@ -1103,13 +1103,13 @@ static int nfs_ca_sockname(const struct sockaddr *sap, const socklen_t salen,
switch (sap->sa_family) {
case AF_INET:
- if (bind(sock, (struct sockaddr *)&sin, sizeof(sin)) < 0) {
+ if (bind(sock, SAFE_SOCKADDR(&sin), sizeof(sin)) < 0) {
close(sock);
return 0;
}
break;
case AF_INET6:
- if (bind(sock, (struct sockaddr *)&sin6, sizeof(sin6)) < 0) {
+ if (bind(sock, SAFE_SOCKADDR(&sin6), sizeof(sin6)) < 0) {
close(sock);
return 0;
}
@@ -1518,7 +1518,11 @@ nfs_mount_protocol(struct mount_options *options, unsigned long *protocol)
* set @protocol to zero. The pmap protocol value will
* be filled in later by an rpcbind query in this case.
*/
- return nfs_nfs_protocol(options, protocol);
+ if (!nfs_nfs_protocol(options, protocol))
+ return 0;
+ if (*protocol == NFSPROTO_RDMA)
+ *protocol = IPPROTO_TCP;
+ return 1;
}
/*
diff --git a/utils/mount/nfs.man b/utils/mount/nfs.man
index 55d4b55..be91a25 100644
--- a/utils/mount/nfs.man
+++ b/utils/mount/nfs.man
@@ -69,10 +69,9 @@ for details on specifying raw IPv6 addresses.
.P
The
.I fstype
-field contains "nfs", for whatever version of the protocol.
-The
-.B nfs
-allow several mount options, which are described below.
+field contains "nfs". Use of the "nfs4" fstype in
+.I /etc/fstab
+is deprecated.
.SH "MOUNT OPTIONS"
Refer to
.BR mount (8)
@@ -464,9 +463,9 @@ by other clients, but can impact application and server performance.
.IP
The DATA AND METADATA COHERENCE section contains a
detailed discussion of these trade-offs.
-.SS "Options for versions 2 and 3 only"
+.SS "Options for NFS versions 2 and 3 only"
Use these options, along with the options in the above subsection,
-for NFSv2/v3 only. They will be ignored for newer versions.
+for NFS versions 2 and 3 only.
.TP 1.5i
.BI proto= netid
The transport protocol name and protocol family the NFS client uses
@@ -619,7 +618,7 @@ in such cases.
.BI nfsvers= n
The NFS protocol version number used to contact the server's NFS service.
If the server does not support the requested version, the mount request fails.
-If this option is not specified, the client negociate a suitable version with
+If this option is not specified, the client negotiates a suitable version with
the server, trying version 4 first, version 3 second, and version 2 last.
.TP 1.5i
.BI vers= n
@@ -717,9 +716,53 @@ If this option is not specified, the NFS client uses READDIRPLUS requests
on NFS version 3 mounts to read small directories.
Some applications perform better if the client uses only READDIR requests
for all directories.
-.SS "Options for version 4 only"
+.TP 1.5i
+.BR local_lock= mechanism
+Specifies whether to use local locking for any or both of the flock and the
+POSIX locking mechanisms.
+.I mechanism
+can be one of
+.BR all ,
+.BR flock ,
+.BR posix ,
+or
+.BR none .
+This option is supported in kernels 2.6.37 and later.
+.IP
+The Linux NFS client provides a way to make locks local. This means, the
+applications can lock files, but such locks provide exclusion only against
+other applications running on the same client. Remote applications are not
+affected by these locks.
+.IP
+If this option is not specified, or if
+.B none
+is specified, the client assumes that the locks are not local.
+.IP
+If
+.BR all
+is specified, the client assumes that both flock and POSIX locks are local.
+.IP
+If
+.BR flock
+is specified, the client assumes that only flock locks are local and uses
+NLM sideband protocol to lock files when POSIX locks are used.
+.IP
+If
+.BR posix
+is specified, the client assumes that POSIX locks are local and uses NLM
+sideband protocol to lock files when flock locks are used.
+.IP
+To support legacy flock behavior similar to that of NFS clients < 2.6.12, use
+'local_lock=flock'. This option is required when exporting NFS mounts via
+Samba as Samba maps Windows share mode locks as flock. Since NFS clients >
+2.6.12 implement flock by emulating POSIX locks, this will result in
+conflicting locks.
+.IP
+NOTE: When used together, the 'local_lock' mount option will be overridden
+by 'nolock'/'lock' mount option.
+.SS "Options for NFS version 4 only"
Use these options, along with the options in the first subsection above,
-for NFSv4 only. They will be ignored with older versions.
+for NFS version 4 and newer.
.TP 1.5i
.BI proto= netid
The transport protocol name and protocol family the NFS client uses
@@ -1480,32 +1523,54 @@ of Access Control Lists that are semantically richer than POSIX ACLs.
NFS version 4 ACLs are not fully compatible with POSIX ACLs; as such,
some translation between the two is required
in an environment that mixes POSIX ACLs and NFS version 4.
-.SH FILES
-.TP 1.5i
-.I /etc/fstab
-file system table
-.SH BUGS
-The generic
-.B remount
-option is not fully supported.
-Generic options, such as
-.BR rw " and " ro
-can be modified using the
-.B remount
-option,
-but NFS-specific options are not all supported.
+.SH "THE REMOUNT OPTION"
+Generic mount options such as
+.BR rw " and " sync
+can be modified on NFS mount points using the
+.BR remount
+option.
+See
+.BR mount (8)
+for more information on generic mount options.
+.P
+With few exceptions, NFS-specific options
+are not able to be modified during a remount.
The underlying transport or NFS version
cannot be changed by a remount, for example.
+.P
Performing a remount on an NFS file system mounted with the
.B noac
option may have unintended consequences.
The
.B noac
-option is a mixture of a generic option,
+option is a combination of the generic option
.BR sync ,
-and an NFS-specific option
+and the NFS-specific option
.BR actimeo=0 .
+.SS "Unmounting after a remount"
+For mount points that use NFS versions 2 or 3, the NFS umount subcommand
+depends on knowing the original set of mount options used to perform the
+MNT operation.
+These options are stored on disk by the NFS mount subcommand,
+and can be erased by a remount.
.P
+To ensure that the saved mount options are not erased during a remount,
+specify either the local mount directory, or the server hostname and
+export pathname, but not both, during a remount. For example,
+.P
+.NF
+.TA 2.5i
+ mount -o remount,ro /mnt
+.FI
+.P
+merges the mount option
+.B ro
+with the mount options already saved on disk for the NFS server mounted at /mnt.
+.SH FILES
+.TP 1.5i
+.I /etc/fstab
+file system table
+.SH BUGS
Before 2.4.7, the Linux NFS client did not support NFS over TCP.
.P
Before 2.4.20, the Linux NFS client used a heuristic
diff --git a/utils/mount/nfsumount.c b/utils/mount/nfsumount.c
index 1514340..02d40ff 100644
--- a/utils/mount/nfsumount.c
+++ b/utils/mount/nfsumount.c
@@ -31,12 +31,16 @@
#include "nls.h"
#include "mount_constants.h"
+#include "nfs_mount.h"
#include "mount.h"
#include "error.h"
#include "network.h"
#include "parse_opt.h"
#include "parse_dev.h"
+#define MOUNTSFILE "/proc/mounts"
+#define LINELEN (4096)
+
#if !defined(MNT_FORCE)
/* dare not try to include <linux/mount.h> -- lots of errors */
#define MNT_FORCE 1
@@ -109,7 +113,7 @@ static int del_mtab(const char *spec, const char *node)
res = try_remount(spec, node);
if (res)
goto writemtab;
- return 0;
+ return EX_SUCCESS;
} else
umnt_err = errno;
}
@@ -127,7 +131,7 @@ static int del_mtab(const char *spec, const char *node)
}
if (res >= 0)
- return 0;
+ return EX_SUCCESS;
if (umnt_err)
umount_error(umnt_err, node);
@@ -241,6 +245,91 @@ static int nfs_umount23(const char *devname, char *string)
return result;
}
+/*
+ * Detect NFSv4 mounts.
+ *
+ * Consult /proc/mounts to determine if the mount point
+ * is an NFSv4 mount. The kernel is authoritative about
+ * what type of mount this is.
+ *
+ * Returns 1 if "mc" is an NFSv4 mount, zero if not, and
+ * -1 if some error occurred.
+ */
+static int nfs_umount_is_vers4(const struct mntentchn *mc)
+{
+ char buffer[LINELEN], *next;
+ int retval;
+ FILE *f;
+
+ if ((f = fopen(MOUNTSFILE, "r")) == NULL) {
+ fprintf(stderr, "%s: %s\n",
+ MOUNTSFILE, strerror(errno));
+ return -1;
+ }
+
+ retval = -1;
+ while (fgets(buffer, sizeof(buffer), f) != NULL) {
+ char *device, *mntdir, *type, *flags;
+ struct mount_options *options;
+ char *line = buffer;
+
+ next = strchr(line, '\n');
+ if (next != NULL)
+ *next = '\0';
+
+ device = strtok(line, " \t");
+ if (device == NULL)
+ continue;
+ mntdir = strtok(NULL, " \t");
+ if (mntdir == NULL)
+ continue;
+ if (strcmp(device, mc->m.mnt_fsname) != 0 &&
+ strcmp(mntdir, mc->m.mnt_dir) != 0)
+ continue;
+
+ type = strtok(NULL, " \t");
+ if (type == NULL)
+ continue;
+ if (strcmp(type, "nfs4") == 0)
+ goto out_nfs4;
+
+ flags = strtok(NULL, " \t");
+ if (flags == NULL)
+ continue;
+ options = po_split(flags);
+ if (options != NULL) {
+ unsigned long version;
+ int rc;
+
+ rc = nfs_nfs_version(options, &version);
+ po_destroy(options);
+ if (rc && version == 4)
+ goto out_nfs4;
+ }
+
+ goto out_nfs;
+ }
+ if (retval == -1)
+ fprintf(stderr, "%s was not found in %s\n",
+ mc->m.mnt_dir, MOUNTSFILE);
+
+out:
+ fclose(f);
+ return retval;
+
+out_nfs4:
+ if (verbose)
+ fprintf(stderr, "NFSv4 mount point detected\n");
+ retval = 1;
+ goto out;
+
+out_nfs:
+ if (verbose)
+ fprintf(stderr, "Legacy NFS mount point detected\n");
+ retval = 0;
+ goto out;
+}
+
static struct option umount_longopts[] =
{
{ "force", 0, 0, 'f' },
@@ -362,16 +451,25 @@ int nfsumount(int argc, char *argv[])
}
}
- ret = 0;
+ ret = EX_SUCCESS;
if (mc) {
- if (!lazy && strcmp(mc->m.mnt_type, "nfs4") != 0)
- /* We ignore the error from nfs_umount23.
- * If the actual umount succeeds (in del_mtab),
- * we don't want to signal an error, as that
- * could cause /sbin/mount to retry!
- */
- nfs_umount23(mc->m.mnt_fsname, mc->m.mnt_opts);
- ret = del_mtab(mc->m.mnt_fsname, mc->m.mnt_dir) ?: ret;
+ if (!lazy) {
+ switch (nfs_umount_is_vers4(mc)) {
+ case 0:
+ /* We ignore the error from nfs_umount23.
+ * If the actual umount succeeds (in del_mtab),
+ * we don't want to signal an error, as that
+ * could cause /sbin/mount to retry!
+ */
+ nfs_umount23(mc->m.mnt_fsname, mc->m.mnt_opts);
+ break;
+ case 1:
+ break;
+ default:
+ return EX_FAIL;
+ }
+ }
+ ret = del_mtab(mc->m.mnt_fsname, mc->m.mnt_dir);
} else if (*spec != '/') {
if (!lazy)
ret = nfs_umount23(spec, "tcp,v3");
diff --git a/utils/mount/parse_opt.c b/utils/mount/parse_opt.c
index f0918f7..ab869d9 100644
--- a/utils/mount/parse_opt.c
+++ b/utils/mount/parse_opt.c
@@ -508,7 +508,7 @@ po_found_t po_get_numeric(struct mount_options *options, char *keyword, long *va
int po_rightmost(struct mount_options *options, const char *keys[])
{
struct mount_option *option;
- unsigned int i;
+ int i;
if (options) {
for (option = options->tail; option; option = option->prev) {
diff --git a/utils/mount/stropts.c b/utils/mount/stropts.c
index 50a1a2a..ac81616 100644
--- a/utils/mount/stropts.c
+++ b/utils/mount/stropts.c
@@ -49,10 +49,6 @@
#include "parse_dev.h"
#include "conffile.h"
-#ifndef HAVE_DECL_AI_ADDRCONFIG
-#define AI_ADDRCONFIG 0
-#endif
-
#ifndef NFS_PROGRAM
#define NFS_PROGRAM (100003)
#endif
@@ -123,10 +119,12 @@ inline void nfs_default_version(struct nfsmount_info *mi) {}
* Returns a time_t timeout timestamp, in seconds.
*/
static time_t nfs_parse_retry_option(struct mount_options *options,
- unsigned int timeout_minutes)
+ const time_t default_timeout)
{
+ time_t timeout_minutes;
long tmp;
+ timeout_minutes = default_timeout;
switch (po_get_numeric(options, "retry", &tmp)) {
case PO_NOT_FOUND:
break;
@@ -135,6 +133,7 @@ static time_t nfs_parse_retry_option(struct mount_options *options,
timeout_minutes = tmp;
break;
}
+ /*FALLTHROUGH*/
case PO_BAD_VALUE:
if (verbose)
nfs_error(_("%s: invalid retry timeout was specified; "
@@ -142,7 +141,7 @@ static time_t nfs_parse_retry_option(struct mount_options *options,
break;
}
- return time(NULL) + (time_t)(timeout_minutes * 60);
+ return time(NULL) + (timeout_minutes * 60);
}
/*
@@ -343,7 +342,6 @@ static int nfs_validate_options(struct nfsmount_info *mi)
{
struct addrinfo hint = {
.ai_protocol = (int)IPPROTO_UDP,
- .ai_flags = AI_ADDRCONFIG,
};
sa_family_t family;
int error;
@@ -570,16 +568,18 @@ static int nfs_sys_mount(struct nfsmount_info *mi, struct mount_options *opts)
char *options = NULL;
int result;
+ if (mi->fake)
+ return 1;
+
if (po_join(opts, &options) == PO_FAILED) {
errno = EIO;
return 0;
}
- if (mi->fake)
- return 1;
-
result = mount(mi->spec, mi->node, mi->type,
mi->flags & ~(MS_USER|MS_USERS), options);
+ free(options);
+
if (verbose && result) {
int save = errno;
nfs_error(_("%s: mount(2): %s"), progname, strerror(save));
diff --git a/utils/mount/version.h b/utils/mount/version.h
index 46552a1..af61a6f 100644
--- a/utils/mount/version.h
+++ b/utils/mount/version.h
@@ -42,9 +42,9 @@ static inline unsigned int linux_version_code(void)
if (uname(&my_utsname))
return 0;
- p = atoi(strtok(my_utsname.release, "."));
- q = atoi(strtok(NULL, "."));
- r = atoi(strtok(NULL, "."));
+ p = (unsigned int)atoi(strtok(my_utsname.release, "."));
+ q = (unsigned int)atoi(strtok(NULL, "."));
+ r = (unsigned int)atoi(strtok(NULL, "."));
return MAKE_VERSION(p, q, r);
}
diff --git a/utils/mountd/mountd.c b/utils/mountd/mountd.c
index d309950..035624c 100644
--- a/utils/mountd/mountd.c
+++ b/utils/mountd/mountd.c
@@ -99,12 +99,9 @@ static int version_any(void)
static void
unregister_services (void)
{
- if (version2()) {
- nfs_svc_unregister(MOUNTPROG, MOUNTVERS);
- nfs_svc_unregister(MOUNTPROG, MOUNTVERS_POSIX);
- }
- if (version3())
- nfs_svc_unregister(MOUNTPROG, MOUNTVERS_NFSV3);
+ nfs_svc_unregister(MOUNTPROG, MOUNTVERS);
+ nfs_svc_unregister(MOUNTPROG, MOUNTVERS_POSIX);
+ nfs_svc_unregister(MOUNTPROG, MOUNTVERS_NFSV3);
}
static void
@@ -840,6 +837,7 @@ main(int argc, char **argv)
if (new_cache)
cache_open();
+ unregister_services();
if (version2()) {
listeners += nfs_svc_create("mountd", MOUNTPROG,
MOUNTVERS, mount_dispatch, port);
diff --git a/utils/mountd/mountd.man b/utils/mountd/mountd.man
index 4bb96e8..016a357 100644
--- a/utils/mountd/mountd.man
+++ b/utils/mountd/mountd.man
@@ -106,11 +106,11 @@ This option can be used to request that
.B rpc.mountd
do not offer certain versions of NFS. The current version of
.B rpc.mountd
-can support both NFS version 2 and the newer version 3. If the
-NFS kernel module was compiled without support for NFSv3,
+can support both NFS version 2, 3 and 4. If the
+either one of these version should not be offered,
.B rpc.mountd
must be invoked with the option
-.B "\-\-no-nfs-version 3" .
+.B "\-\-no-nfs-version <vers>" .
.TP
.B \-n " or " \-\-no-tcp
Don't advertise TCP for mount.
diff --git a/utils/statd/hostname.c b/utils/statd/hostname.c
index 38f2265..616a3cb 100644
--- a/utils/statd/hostname.c
+++ b/utils/statd/hostname.c
@@ -39,10 +39,6 @@
#include "statd.h"
#include "xlog.h"
-#ifndef HAVE_DECL_AI_ADDRCONFIG
-#define AI_ADDRCONFIG 0
-#endif
-
/**
* statd_present_address - convert sockaddr to presentation address
* @sap: pointer to socket address to convert
diff --git a/utils/statd/sm-notify.c b/utils/statd/sm-notify.c
index 437e37a..b7f4371 100644
--- a/utils/statd/sm-notify.c
+++ b/utils/statd/sm-notify.c
@@ -34,10 +34,6 @@
#include "nsm.h"
#include "nfsrpc.h"
-#ifndef HAVE_DECL_AI_ADDRCONFIG
-#define AI_ADDRCONFIG 0
-#endif
-
#define NSM_TIMEOUT 2
#define NSM_MAX_TIMEOUT 120 /* don't make this too big */
@@ -78,7 +74,6 @@ smn_lookup(const char *name)
{
struct addrinfo *ai = NULL;
struct addrinfo hint = {
- .ai_flags = AI_ADDRCONFIG,
.ai_family = (nsm_family == AF_INET ? AF_INET: AF_UNSPEC),
.ai_protocol = (int)IPPROTO_UDP,
};