87701eca5f
Signed-off-by: Steve Dickson <steved@redhat.com>
230 lines
6.9 KiB
Diff
230 lines
6.9 KiB
Diff
diff --git a/configure.ac b/configure.ac
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index a594a7b..d3ad854 100644
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--- a/configure.ac
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+++ b/configure.ac
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@@ -1,6 +1,6 @@
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dnl Process this file with autoconf to produce a configure script.
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dnl
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-AC_INIT([linux nfs-utils],[1.2.7],[linux-nfs@vger.kernel.org],[nfs-utils])
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+AC_INIT([linux nfs-utils],[1.2.8],[linux-nfs@vger.kernel.org],[nfs-utils])
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AC_CANONICAL_BUILD([])
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AC_CANONICAL_HOST([])
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AC_CONFIG_MACRO_DIR(aclocal)
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diff --git a/support/include/nfsrpc.h b/support/include/nfsrpc.h
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index a0b80e1..1bfae7a 100644
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--- a/support/include/nfsrpc.h
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+++ b/support/include/nfsrpc.h
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@@ -156,6 +156,11 @@ extern unsigned long nfs_pmap_getport(const struct sockaddr_in *,
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const struct timeval *);
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/*
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+ * Use nfs_pmap_getport to see if statd is running locally
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+ */
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+extern int nfs_probe_statd(void);
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+
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+/*
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* Contact a remote RPC service to discover whether it is responding
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* to requests.
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*/
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diff --git a/support/nfs/getport.c b/support/nfs/getport.c
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index 3331ad4..081594c 100644
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--- a/support/nfs/getport.c
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+++ b/support/nfs/getport.c
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@@ -1102,3 +1102,25 @@ unsigned long nfs_pmap_getport(const struct sockaddr_in *sin,
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return port;
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}
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+
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+static const char *nfs_ns_pgmtbl[] = {
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+ "status",
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+ NULL,
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+};
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+
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+/*
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+ * nfs_probe_statd - use nfs_pmap_getport to see if statd is running locally
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+ *
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+ * Returns non-zero if statd is running locally.
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+ */
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+int nfs_probe_statd(void)
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+{
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+ struct sockaddr_in addr = {
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+ .sin_family = AF_INET,
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+ .sin_addr.s_addr = htonl(INADDR_LOOPBACK),
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+ };
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+ rpcprog_t program = nfs_getrpcbyname(NSMPROG, nfs_ns_pgmtbl);
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+
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+ return nfs_getport_ping((struct sockaddr *)(char *)&addr, sizeof(addr),
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+ program, (rpcvers_t)1, IPPROTO_UDP);
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+}
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diff --git a/utils/gssd/gssd_proc.c b/utils/gssd/gssd_proc.c
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index af1844c..6cd4276 100644
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--- a/utils/gssd/gssd_proc.c
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+++ b/utils/gssd/gssd_proc.c
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@@ -67,7 +67,6 @@
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#include <errno.h>
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#include <gssapi/gssapi.h>
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#include <netdb.h>
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-#include <ctype.h>
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#include "gssd.h"
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#include "err_util.h"
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diff --git a/utils/mount/network.c b/utils/mount/network.c
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index 4be48cd..e2cdcaf 100644
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--- a/utils/mount/network.c
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+++ b/utils/mount/network.c
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@@ -65,11 +65,6 @@ extern int nfs_mount_data_version;
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extern char *progname;
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extern int verbose;
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-static const char *nfs_ns_pgmtbl[] = {
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- "status",
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- NULL,
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-};
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-
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static const char *nfs_mnt_pgmtbl[] = {
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"mount",
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"mountd",
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@@ -761,18 +756,6 @@ int probe_bothports(clnt_addr_t *mnt_server, clnt_addr_t *nfs_server)
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&nfs_server->pmap);
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}
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-static int nfs_probe_statd(void)
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-{
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- struct sockaddr_in addr = {
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- .sin_family = AF_INET,
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- .sin_addr.s_addr = htonl(INADDR_LOOPBACK),
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- };
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- rpcprog_t program = nfs_getrpcbyname(NSMPROG, nfs_ns_pgmtbl);
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-
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- return nfs_getport_ping(SAFE_SOCKADDR(&addr), sizeof(addr),
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- program, (rpcvers_t)1, IPPROTO_UDP);
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-}
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-
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/**
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* start_statd - attempt to start rpc.statd
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*
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diff --git a/utils/mount/nfs.man b/utils/mount/nfs.man
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index a8ec46c..2a42b93 100644
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--- a/utils/mount/nfs.man
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+++ b/utils/mount/nfs.man
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@@ -84,6 +84,20 @@ in
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.SS "Options supported by all versions"
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These options are valid to use with any NFS version.
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.TP 1.5i
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+.BI nfsvers= n
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+The NFS protocol version number used to contact the server's NFS service.
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+If the server does not support the requested version, the mount request
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+fails.
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+If this option is not specified, the client negotiates a suitable version
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+with
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+the server, trying version 4 first, version 3 second, and version 2 last.
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+.TP 1.5i
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+.BI vers= n
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+This option is an alternative to the
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+.B nfsvers
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+option.
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+It is included for compatibility with other operating systems
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+.TP 1.5i
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.BR soft " / " hard
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Determines the recovery behavior of the NFS client
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after an NFS request times out.
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@@ -621,18 +635,6 @@ Using this option ensures that
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reports the proper maximum component length to applications
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in such cases.
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.TP 1.5i
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-.BI nfsvers= n
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-The NFS protocol version number used to contact the server's NFS service.
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-If the server does not support the requested version, the mount request fails.
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-If this option is not specified, the client negotiates a suitable version with
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-the server, trying version 4 first, version 3 second, and version 2 last.
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-.TP 1.5i
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-.BI vers= n
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-This option is an alternative to the
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-.B nfsvers
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-option.
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-It is included for compatibility with other operating systems.
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-.TP 1.5i
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.BR lock " / " nolock
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Selects whether to use the NLM sideband protocol to lock files on the server.
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If neither option is specified (or if
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diff --git a/utils/mountd/cache.c b/utils/mountd/cache.c
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index 737927c..517aa62 100644
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--- a/utils/mountd/cache.c
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+++ b/utils/mountd/cache.c
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@@ -347,20 +347,26 @@ static char *next_mnt(void **v, char *p)
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static int is_subdirectory(char *child, char *parent)
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{
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+ /* Check is child is strictly a subdirectory of
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+ * parent or a more distant descendant.
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+ */
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size_t l = strlen(parent);
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- if (strcmp(parent, "/") == 0)
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+ if (strcmp(parent, "/") == 0 && child[1] != 0)
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return 1;
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- return strcmp(child, parent) == 0
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- || (strncmp(child, parent, l) == 0 && child[l] == '/');
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+ return (strncmp(child, parent, l) == 0 && child[l] == '/');
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}
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static int path_matches(nfs_export *exp, char *path)
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{
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- if (exp->m_export.e_flags & NFSEXP_CROSSMOUNT)
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- return is_subdirectory(path, exp->m_export.e_path);
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- return strcmp(path, exp->m_export.e_path) == 0;
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+ /* Does the path match the export? I.e. is it an
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+ * exact match, or does the export have CROSSMOUNT, and path
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+ * is a descendant?
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+ */
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+ return strcmp(path, exp->m_export.e_path) == 0
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+ || ((exp->m_export.e_flags & NFSEXP_CROSSMOUNT)
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+ && is_subdirectory(path, exp->m_export.e_path));
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}
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static int
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@@ -369,15 +375,13 @@ export_matches(nfs_export *exp, char *dom, char *path, struct addrinfo *ai)
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return path_matches(exp, path) && client_matches(exp, dom, ai);
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}
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-/* True iff e1 is a child of e2 and e2 has crossmnt set: */
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+/* True iff e1 is a child of e2 (or descendant) and e2 has crossmnt set: */
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static bool subexport(struct exportent *e1, struct exportent *e2)
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{
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char *p1 = e1->e_path, *p2 = e2->e_path;
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- size_t l2 = strlen(p2);
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return e2->e_flags & NFSEXP_CROSSMOUNT
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- && strncmp(p1, p2, l2) == 0
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- && p1[l2] == '/';
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+ && is_subdirectory(p1, p2);
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}
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struct parsed_fsid {
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diff --git a/utils/statd/statd.c b/utils/statd/statd.c
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index 652546c..8c51bcc 100644
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--- a/utils/statd/statd.c
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+++ b/utils/statd/statd.c
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@@ -28,6 +28,7 @@
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#include "statd.h"
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#include "nfslib.h"
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+#include "nfsrpc.h"
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#include "nsm.h"
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/* Socket operations */
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@@ -237,6 +238,12 @@ int main (int argc, char **argv)
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/* Set hostname */
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MY_NAME = NULL;
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+ /* Refuse to start if another statd is running */
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+ if (nfs_probe_statd()) {
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+ fprintf(stderr, "Statd service already running!\n");
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+ exit(1);
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+ }
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+
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/* Process command line switches */
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while ((arg = getopt_long(argc, argv, "h?vVFNH:dn:p:o:P:L", longopts, NULL)) != EOF) {
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switch (arg) {
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