randomize the initial rpc xid to avoid reply cache collision

diff --git a/lib/init.c b/lib/init.c
index bbcfb86fa52047a6c8730ef439341d594555eecb..06f6e4bbb156d8e021d775ecdf6a234bd23663ce 100644 (file)
--- a/lib/init.c
+++ b/lib/init.c
@@ -25,6 +25,7 @@
 #include <string.h>
 #include <stdlib.h>
 #include <assert.h>
+#include <time.h>
 #include "slist.h"
 #include "libnfs-zdr.h"
 #include "libnfs.h"
@@ -34,6 +35,7 @@
 struct rpc_context *rpc_init_context(void)
 {
        struct rpc_context *rpc;
+       static uint32_t salt = 0;
 
        rpc = malloc(sizeof(struct rpc_context));
        if (rpc == NULL) {
@@ -59,7 +61,8 @@ struct rpc_context *rpc_init_context(void)
                free(rpc);
                return NULL;
        }
-       rpc->xid = 1;
+       rpc->xid = salt + time(NULL);
+       salt += 0x01000000;
        rpc->fd = -1;
 
        return rpc;