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authorJoseph Myers <joseph@codesourcery.com>2012-11-09 18:21:59 +0000
committerJoseph Myers <joseph@codesourcery.com>2012-11-09 18:21:59 +0000
commitfb1ae1eede65c9b7227d8f3da2e27fd720b8b711 (patch)
treed1f65cb9773c6ac0121ca7897fcbfd59af969b4a /sunrpc/clnt_udp.c
parent554066b83b1a0d14e6e7a24a45ef3f65342aae76 (diff)
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Fix sunrpc 64-bit (especially big-endian) issues (bug 14821).
Diffstat (limited to 'sunrpc/clnt_udp.c')
-rw-r--r--sunrpc/clnt_udp.c30
1 files changed, 20 insertions, 10 deletions
diff --git a/sunrpc/clnt_udp.c b/sunrpc/clnt_udp.c
index 7ecf2ef5a5..8890cc6cfc 100644
--- a/sunrpc/clnt_udp.c
+++ b/sunrpc/clnt_udp.c
@@ -547,6 +547,8 @@ static bool_t
 clntudp_control (CLIENT *cl, int request, char *info)
 {
   struct cu_data *cu = (struct cu_data *) cl->cl_private;
+  u_long ul;
+  u_int32_t ui32;
 
   switch (request)
     {
@@ -580,11 +582,15 @@ clntudp_control (CLIENT *cl, int request, char *info)
        * first element in the call structure *.
        * This will get the xid of the PREVIOUS call
        */
-      *(u_long *)info = ntohl(*(u_long *)cu->cu_outbuf);
+      memcpy (&ui32, cu->cu_outbuf, sizeof (ui32));
+      ul = ntohl (ui32);
+      memcpy (info, &ul, sizeof (ul));
       break;
     case CLSET_XID:
       /* This will set the xid of the NEXT call */
-      *(u_long *)cu->cu_outbuf =  htonl(*(u_long *)info - 1);
+      memcpy (&ul, info, sizeof (ul));
+      ui32 = htonl (ul - 1);
+      memcpy (cu->cu_outbuf, &ui32, sizeof (ui32));
       /* decrement by 1 as clntudp_call() increments once */
       break;
     case CLGET_VERS:
@@ -594,12 +600,14 @@ clntudp_control (CLIENT *cl, int request, char *info)
        * begining of the RPC header. MUST be changed if the
        * call_struct is changed
        */
-      *(u_long *)info = ntohl(*(u_long *)(cu->cu_outbuf +
-					  4 * BYTES_PER_XDR_UNIT));
+      memcpy (&ui32, cu->cu_outbuf + 4 * BYTES_PER_XDR_UNIT, sizeof (ui32));
+      ul = ntohl (ui32);
+      memcpy (info, &ul, sizeof (ul));
       break;
     case CLSET_VERS:
-      *(u_long *)(cu->cu_outbuf + 4 * BYTES_PER_XDR_UNIT)
-	= htonl(*(u_long *)info);
+      memcpy (&ul, info, sizeof (ul));
+      ui32 = htonl (ul);
+      memcpy (cu->cu_outbuf + 4 * BYTES_PER_XDR_UNIT, &ui32, sizeof (ui32));
       break;
     case CLGET_PROG:
       /*
@@ -608,12 +616,14 @@ clntudp_control (CLIENT *cl, int request, char *info)
        * begining of the RPC header. MUST be changed if the
        * call_struct is changed
        */
-      *(u_long *)info = ntohl(*(u_long *)(cu->cu_outbuf +
-					  3 * BYTES_PER_XDR_UNIT));
+      memcpy (&ui32, cu->cu_outbuf + 3 * BYTES_PER_XDR_UNIT, sizeof (ui32));
+      ul = ntohl (ui32);
+      memcpy (info, &ul, sizeof (ul));
       break;
     case CLSET_PROG:
-      *(u_long *)(cu->cu_outbuf + 3 * BYTES_PER_XDR_UNIT)
-	= htonl(*(u_long *)info);
+      memcpy (&ul, info, sizeof (ul));
+      ui32 = htonl (ul);
+      memcpy (cu->cu_outbuf + 3 * BYTES_PER_XDR_UNIT, &ui32, sizeof (ui32));
       break;
     /* The following are only possible with TI-RPC */
     case CLGET_SVC_ADDR: