X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=lib%2Fpdu.c;h=276515e64ea5c5b6e2493965a4376d4d3254b2e0;hb=be7f59339ee92ae6ebc37ceb170a0287b99b71ae;hp=23698a863da01bc26fca68c1bff719f6ee20f557;hpb=42f43e48cca9eb9defb671b9d47c5a8ffb5112f0;p=deb_libnfs.git
diff --git a/lib/pdu.c b/lib/pdu.c
index 23698a8..276515e 100644
--- a/lib/pdu.c
+++ b/lib/pdu.c
@@ -14,9 +14,16 @@
You should have received a copy of the GNU Lesser General Public License
along with this program; if not, see .
*/
+#ifdef WIN32
+#include "win32_compat.h"
+#ifndef MSG_DONTWAIT
+#define MSG_DONTWAIT 0
+#endif
+#else
+#include
+#endif/*WIN32*/
#include
-#include
#include
#include
#include
@@ -41,7 +48,7 @@ struct rpc_pdu *rpc_allocate_pdu(struct rpc_context *rpc, int program, int versi
rpc_set_error(rpc, "Out of memory: Failed to allocate pdu structure");
return NULL;
}
- bzero((char *)pdu, sizeof(struct rpc_pdu));
+ memset(pdu, 0, sizeof(struct rpc_pdu));
pdu->xid = rpc->xid++;
pdu->cb = cb;
pdu->private_data = private_data;
@@ -53,7 +60,7 @@ struct rpc_pdu *rpc_allocate_pdu(struct rpc_context *rpc, int program, int versi
xdr_setpos(&pdu->xdr, 4); /* skip past the record marker */
}
- bzero((char *)&msg, sizeof(struct rpc_msg));
+ memset(&msg, 0, sizeof(struct rpc_msg));
msg.rm_xid = pdu->xid;
msg.rm_direction = CALL;
msg.rm_call.cb_rpcvers = RPC_MSG_VERSION;
@@ -134,11 +141,6 @@ int rpc_get_pdu_size(char *buf)
size = ntohl(*(uint32_t *)buf);
- if ((size & 0x80000000) == 0) {
- /* cant handle oncrpc fragments */
- return -1;
- }
-
return (size & 0x7fffffff) + 4;
}
@@ -146,7 +148,7 @@ static int rpc_process_reply(struct rpc_context *rpc, struct rpc_pdu *pdu, XDR *
{
struct rpc_msg msg;
- bzero((char *)&msg, sizeof(struct rpc_msg));
+ memset(&msg, 0, sizeof(struct rpc_msg));
msg.acpted_rply.ar_verf = _null_auth;
if (pdu->xdr_decode_bufsize > 0) {
if (pdu->xdr_decode_buf != NULL) {
@@ -158,7 +160,7 @@ static int rpc_process_reply(struct rpc_context *rpc, struct rpc_pdu *pdu, XDR *
pdu->cb(rpc, RPC_STATUS_ERROR, "Failed to allocate buffer for decoding of XDR reply", pdu->private_data);
return 0;
}
- bzero((char *)pdu->xdr_decode_buf, pdu->xdr_decode_bufsize);
+ memset(pdu->xdr_decode_buf, 0, pdu->xdr_decode_bufsize);
}
msg.acpted_rply.ar_results.where = pdu->xdr_decode_buf;
msg.acpted_rply.ar_results.proc = pdu->xdr_decode_fn;
@@ -207,10 +209,11 @@ int rpc_process_pdu(struct rpc_context *rpc, char *buf, int size)
{
struct rpc_pdu *pdu;
XDR xdr;
- int pos, recordmarker;
+ int pos, recordmarker = 0;
unsigned int xid;
+ char *reasbuf = NULL;
- bzero((char *)&xdr, sizeof(XDR));
+ memset(&xdr, 0, sizeof(XDR));
xdrmem_create(&xdr, buf, size, XDR_DECODE);
if (rpc->is_udp == 0) {
@@ -219,11 +222,50 @@ int rpc_process_pdu(struct rpc_context *rpc, char *buf, int size)
xdr_destroy(&xdr);
return -1;
}
+ if (!(recordmarker&0x80000000)) {
+ xdr_destroy(&xdr);
+ if (rpc_add_fragment(rpc, buf+4, size-4) != 0) {
+ rpc_set_error(rpc, "Failed to queue fragment for reassembly.");
+ return -1;
+ }
+ return 0;
+ }
}
+
+ /* reassembly */
+ if (recordmarker != 0 && rpc->fragments != NULL) {
+ struct rpc_fragment *fragment;
+ uint64_t total = size - 4;
+ char *ptr;
+
+ xdr_destroy(&xdr);
+ for (fragment = rpc->fragments; fragment; fragment = fragment->next) {
+ total += fragment->size;
+ }
+
+ reasbuf = malloc(total);
+ if (reasbuf == NULL) {
+ rpc_set_error(rpc, "Failed to reassemble PDU");
+ rpc_free_all_fragments(rpc);
+ return -1;
+ }
+ ptr = reasbuf;
+ for (fragment = rpc->fragments; fragment; fragment = fragment->next) {
+ memcpy(ptr, fragment->data, fragment->size);
+ ptr += fragment->size;
+ }
+ memcpy(ptr, buf + 4, size - 4);
+ xdrmem_create(&xdr, reasbuf, total, XDR_DECODE);
+ rpc_free_all_fragments(rpc);
+ }
+
pos = xdr_getpos(&xdr);
if (xdr_int(&xdr, (int *)&xid) == 0) {
rpc_set_error(rpc, "xdr_int reading xid failed");
xdr_destroy(&xdr);
+ if (reasbuf != NULL) {
+ free(reasbuf);
+ }
return -1;
}
xdr_setpos(&xdr, pos);
@@ -242,10 +284,16 @@ int rpc_process_pdu(struct rpc_context *rpc, char *buf, int size)
if (rpc->is_udp == 0 || rpc->is_broadcast == 0) {
rpc_free_pdu(rpc, pdu);
}
+ if (reasbuf != NULL) {
+ free(reasbuf);
+ }
return 0;
}
rpc_set_error(rpc, "No matching pdu found for xid:%d", xid);
xdr_destroy(&xdr);
+ if (reasbuf != NULL) {
+ free(reasbuf);
+ }
return -1;
}