Introduce a version of nfs_get_mount_client() that supports AF_INET6 and
AF_INET server addresses. If the TI-RPC library is not available when
the showmount command is built, fall back to the legacy RPC user-space
API.
Signed-off-by: Chuck Lever <[email protected]>
---
utils/showmount/showmount.c | 36 ++++++++++++++++++++++++++++++++++++
1 files changed, 36 insertions(+), 0 deletions(-)
diff --git a/utils/showmount/showmount.c b/utils/showmount/showmount.c
index 4853c19..046b59e 100644
--- a/utils/showmount/showmount.c
+++ b/utils/showmount/showmount.c
@@ -50,6 +50,13 @@ static int aflag = 0;
static int dflag = 0;
static int eflag = 0;
+static const char *nfs_sm_pgmtbl[] = {
+ "showmount",
+ "mount",
+ "mountd",
+ NULL,
+};
+
static struct option longopts[] =
{
{ "all", 0, 0, 'a' },
@@ -78,6 +85,33 @@ static void usage(FILE *fp, int n)
exit(n);
}
+#ifdef HAVE_CLNT_CREATE
+
+/*
+ * Generate an RPC client handle connected to the mountd service
+ * at @hostname, or die trying.
+ *
+ * Supports both AF_INET and AF_INET6 server addresses.
+ */
+static CLIENT *nfs_get_mount_client(const char *hostname)
+{
+ rpcprog_t program = nfs_getrpcbyname(MOUNTPROG, nfs_sm_pgmtbl);
+ CLIENT *client;
+
+ client = clnt_create(hostname, program, MOUNTVERS, "tcp");
+ if (client)
+ return client;
+
+ client = clnt_create(hostname, program, MOUNTVERS, "udp");
+ if (client)
+ return client;
+
+ clnt_pcreateerror("clnt_create");
+ exit(1);
+}
+
+#else /* HAVE_CLNT_CREATE */
+
/*
* Perform a non-blocking connect on the socket fd.
*
@@ -213,6 +247,8 @@ static CLIENT *nfs_get_mount_client(const char *hostname)
return mclient;
}
+#endif /* HAVE_CLNT_CREATE */
+
int main(int argc, char **argv)
{
char hostname_buf[MAXHOSTLEN];