size = ntohl(*(uint32_t *)buf);
- if ((size & 0x80000000) == 0) {
- /* cant handle oncrpc fragments */
- return -1;
- }
-
return (size & 0x7fffffff) + 4;
}
{
struct rpc_pdu *pdu;
XDR xdr;
- int pos, recordmarker;
+ int pos, recordmarker = 0;
unsigned int xid;
+ char *reasbuf = NULL;
memset(&xdr, 0, sizeof(XDR));
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);
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;
}