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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
parent554066b83b1a0d14e6e7a24a45ef3f65342aae76 (diff)
downloadglibc-fb1ae1eede65c9b7227d8f3da2e27fd720b8b711.tar.gz
Fix sunrpc 64-bit (especially big-endian) issues (bug 14821).
Diffstat (limited to 'sunrpc')
-rw-r--r--sunrpc/clnt_tcp.c41
-rw-r--r--sunrpc/clnt_udp.c30
-rw-r--r--sunrpc/clnt_unix.c41
3 files changed, 56 insertions, 56 deletions
diff --git a/sunrpc/clnt_tcp.c b/sunrpc/clnt_tcp.c
index 6bd4c8c0cd..ec85930e44 100644
--- a/sunrpc/clnt_tcp.c
+++ b/sunrpc/clnt_tcp.c
@@ -364,8 +364,8 @@ static bool_t
clnttcp_control (CLIENT *cl, int request, char *info)
{
struct ct_data *ct = (struct ct_data *) cl->cl_private;
- u_long *mcall_ptr;
u_long ul;
+ u_int32_t ui32;
switch (request)
@@ -395,24 +395,15 @@ clnttcp_control (CLIENT *cl, int request, char *info)
* first element in the call structure *.
* This will get the xid of the PREVIOUS call
*/
-#if 0
- /* This original code has aliasing issues. */
- *(u_long *)info = ntohl (*(u_long *)ct->ct_mcall);
-#else
- mcall_ptr = (u_long *)ct->ct_mcall;
- ul = ntohl (*mcall_ptr);
+ memcpy (&ui32, ct->ct_mcall, sizeof (ui32));
+ ul = ntohl (ui32);
memcpy (info, &ul, sizeof (ul));
-#endif
break;
case CLSET_XID:
/* This will set the xid of the NEXT call */
-#if 0
- /* This original code has aliasing issues. */
- *(u_long *)ct->ct_mcall = htonl (*(u_long *)info - 1);
-#else
- ul = ntohl (*(u_long *)info - 1);
- memcpy (ct->ct_mcall, &ul, sizeof (ul));
-#endif
+ memcpy (&ul, info, sizeof (ul));
+ ui32 = htonl (ul - 1);
+ memcpy (ct->ct_mcall, &ui32, sizeof (ui32));
/* decrement by 1 as clnttcp_call() increments once */
break;
case CLGET_VERS:
@@ -422,12 +413,14 @@ clnttcp_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 *)(ct->ct_mcall +
- 4 * BYTES_PER_XDR_UNIT));
+ memcpy (&ui32, ct->ct_mcall + 4 * BYTES_PER_XDR_UNIT, sizeof (ui32));
+ ul = ntohl (ui32);
+ memcpy (info, &ul, sizeof (ul));
break;
case CLSET_VERS:
- *(u_long *)(ct->ct_mcall + 4 * BYTES_PER_XDR_UNIT)
- = htonl (*(u_long *)info);
+ memcpy (&ul, info, sizeof (ul));
+ ui32 = htonl (ul);
+ memcpy (ct->ct_mcall + 4 * BYTES_PER_XDR_UNIT, &ui32, sizeof (ui32));
break;
case CLGET_PROG:
/*
@@ -436,12 +429,14 @@ clnttcp_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 *)(ct->ct_mcall +
- 3 * BYTES_PER_XDR_UNIT));
+ memcpy (&ui32, ct->ct_mcall + 3 * BYTES_PER_XDR_UNIT, sizeof (ui32));
+ ul = ntohl (ui32);
+ memcpy (info, &ul, sizeof (ul));
break;
case CLSET_PROG:
- *(u_long *)(ct->ct_mcall + 3 * BYTES_PER_XDR_UNIT)
- = htonl(*(u_long *)info);
+ memcpy (&ul, info, sizeof (ul));
+ ui32 = htonl (ul);
+ memcpy (ct->ct_mcall + 3 * BYTES_PER_XDR_UNIT, &ui32, sizeof (ui32));
break;
/* The following are only possible with TI-RPC */
case CLGET_RETRY_TIMEOUT:
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:
diff --git a/sunrpc/clnt_unix.c b/sunrpc/clnt_unix.c
index 776ceab484..9b5d7ca822 100644
--- a/sunrpc/clnt_unix.c
+++ b/sunrpc/clnt_unix.c
@@ -338,8 +338,8 @@ static bool_t
clntunix_control (CLIENT *cl, int request, char *info)
{
struct ct_data *ct = (struct ct_data *) cl->cl_private;
- u_long *mcall_ptr;
u_long ul;
+ u_int32_t ui32;
switch (request)
{
@@ -367,24 +367,15 @@ clntunix_control (CLIENT *cl, int request, char *info)
* first element in the call structure *.
* This will get the xid of the PREVIOUS call
*/
-#if 0
- /* This original code has aliasing issues. */
- *(u_long *) info = ntohl (*(u_long *)ct->ct_mcall);
-#else
- mcall_ptr = (u_long *)ct->ct_mcall;
- ul = ntohl (*mcall_ptr);
+ memcpy (&ui32, ct->ct_mcall, sizeof (ui32));
+ ul = ntohl (ui32);
memcpy (info, &ul, sizeof (ul));
-#endif
break;
case CLSET_XID:
/* This will set the xid of the NEXT call */
-#if 0
- /* This original code has aliasing issues. */
- *(u_long *) ct->ct_mcall = htonl (*(u_long *)info - 1);
-#else
- ul = ntohl (*(u_long *)info - 1);
- memcpy (ct->ct_mcall, &ul, sizeof (ul));
-#endif
+ memcpy (&ul, info, sizeof (ul));
+ ui32 = htonl (ul - 1);
+ memcpy (ct->ct_mcall, &ui32, sizeof (ui32));
/* decrement by 1 as clntunix_call() increments once */
break;
case CLGET_VERS:
@@ -394,12 +385,14 @@ clntunix_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 *) (ct->ct_mcall
- + 4 * BYTES_PER_XDR_UNIT));
+ memcpy (&ui32, ct->ct_mcall + 4 * BYTES_PER_XDR_UNIT, sizeof (ui32));
+ ul = ntohl (ui32);
+ memcpy (info, &ul, sizeof (ul));
break;
case CLSET_VERS:
- *(u_long *) (ct->ct_mcall + 4 * BYTES_PER_XDR_UNIT)
- = htonl (*(u_long *) info);
+ memcpy (&ul, info, sizeof (ul));
+ ui32 = htonl (ul);
+ memcpy (ct->ct_mcall + 4 * BYTES_PER_XDR_UNIT, &ui32, sizeof (ui32));
break;
case CLGET_PROG:
/*
@@ -408,12 +401,14 @@ clntunix_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 *) (ct->ct_mcall
- + 3 * BYTES_PER_XDR_UNIT));
+ memcpy (&ui32, ct->ct_mcall + 3 * BYTES_PER_XDR_UNIT, sizeof (ui32));
+ ul = ntohl (ui32);
+ memcpy (info, &ul, sizeof (ul));
break;
case CLSET_PROG:
- *(u_long *) (ct->ct_mcall + 3 * BYTES_PER_XDR_UNIT)
- = htonl(*(u_long *) info);
+ memcpy (&ul, info, sizeof (ul));
+ ui32 = htonl (ul);
+ memcpy (ct->ct_mcall + 3 * BYTES_PER_XDR_UNIT, &ui32, sizeof (ui32));
break;
/* The following are only possible with TI-RPC */
case CLGET_RETRY_TIMEOUT: