Example #1
0
int rpc_nfs2_statfs_async(struct rpc_context *rpc, rpc_cb cb, struct STATFS2args *args, void *private_data)
{
	struct rpc_pdu *pdu;

	pdu = rpc_allocate_pdu(rpc, NFS_PROGRAM, NFS_V2, NFS2_STATFS, cb, private_data, (zdrproc_t)zdr_STATFS2res, sizeof(STATFS2res));
	if (pdu == NULL) {
		rpc_set_error(rpc, "Out of memory. Failed to allocate pdu for NFS2/STATFS call");
		return -1;
	}

	if (zdr_STATFS2args(&pdu->zdr,  args) == 0) {
		rpc_set_error(rpc, "ZDR error: Failed to encode STATFS2args");
		rpc_free_pdu(rpc, pdu);
		return -2;
	}

	if (rpc_queue_pdu(rpc, pdu) != 0) {
		rpc_set_error(rpc, "Out of memory. Failed to queue pdu for NFS2/STATFS call");
		rpc_free_pdu(rpc, pdu);
		return -3;
	}

	return 0;
}
Example #2
0
int rpc_nfs3_remove_async(struct rpc_context *rpc, rpc_cb cb, struct REMOVE3args *args, void *private_data)
{
	struct rpc_pdu *pdu;

	pdu = rpc_allocate_pdu(rpc, NFS_PROGRAM, NFS_V3, NFS3_REMOVE, cb, private_data, (zdrproc_t)zdr_REMOVE3res, sizeof(REMOVE3res));
	if (pdu == NULL) {
		rpc_set_error(rpc, "Out of memory. Failed to allocate pdu for NFS3/REMOVE call");
		return -1;
	}

	if (zdr_REMOVE3args(&pdu->zdr, args) == 0) {
		rpc_set_error(rpc, "ZDR error: Failed to encode REMOVE3args");
		rpc_free_pdu(rpc, pdu);
		return -2;
	}

	if (rpc_queue_pdu(rpc, pdu) != 0) {
		rpc_set_error(rpc, "Out of memory. Failed to queue pdu for NFS3/REMOVE call");
		rpc_free_pdu(rpc, pdu);
		return -3;
	}

	return 0;
}
Example #3
0
int rpc_nfsacl_setacl_async(struct rpc_context *rpc, rpc_cb cb, struct SETACL3args *args, void *private_data)
{
	struct rpc_pdu *pdu;

	pdu = rpc_allocate_pdu(rpc, NFSACL_PROGRAM, NFSACL_V3, NFSACL3_SETACL, cb, private_data, (zdrproc_t)zdr_SETACL3res, sizeof(SETACL3res));
	if (pdu == NULL) {
		rpc_set_error(rpc, "Out of memory. Failed to allocate pdu for nfsacl/setacl call");
		return -1;
	}

	if (zdr_SETACL3args(&pdu->zdr, args) == 0) {
		rpc_set_error(rpc, "ZDR error: Failed to encode SETACL3args");
		rpc_free_pdu(rpc, pdu);
		return -2;
	}

	if (rpc_queue_pdu(rpc, pdu) != 0) {
		rpc_set_error(rpc, "Out of memory. Failed to queue pdu for nfsacl/setacl call");
		rpc_free_pdu(rpc, pdu);
		return -2;
	}

	return 0;
}
Example #4
0
int rpc_nfs2_write_async(struct rpc_context *rpc, rpc_cb cb, struct WRITE2args *args, void *private_data)
{
	struct rpc_pdu *pdu;

	pdu = rpc_allocate_pdu2(rpc, NFS_PROGRAM, NFS_V2, NFS2_WRITE, cb, private_data, (zdrproc_t)zdr_WRITE2res, sizeof(WRITE2res), args->totalcount);
	if (pdu == NULL) {
		rpc_set_error(rpc, "Out of memory. Failed to allocate pdu for NFS2/WRITE call");
		return -1;
	}

	if (zdr_WRITE2args(&pdu->zdr, args) == 0) {
		rpc_set_error(rpc, "ZDR error: Failed to encode WRITE2args");
		rpc_free_pdu(rpc, pdu);
		return -2;
	}

	if (rpc_queue_pdu(rpc, pdu) != 0) {
		rpc_set_error(rpc, "Out of memory. Failed to queue pdu for NFS2/WRITE call");
		rpc_free_pdu(rpc, pdu);
		return -3;
	}

	return 0;
}
Example #5
0
File: nlm.c Project: AlfAlex/libnfs
int rpc_nlm4_cancel_async(struct rpc_context *rpc, rpc_cb cb, struct NLM4_CANCargs *args, void *private_data)
{
	struct rpc_pdu *pdu;

	pdu = rpc_allocate_pdu(rpc, NLM_PROGRAM, NLM_V4, NLM4_CANCEL, cb, private_data, (xdrproc_t)xdr_NLM4_CANCres, sizeof(NLM4_CANCres));
	if (pdu == NULL) {
		rpc_set_error(rpc, "Out of memory. Failed to allocate pdu for nlm/cancel call");
		return -1;
	}

	if (xdr_NLM4_CANCargs(&pdu->xdr, args) == 0) {
		rpc_set_error(rpc, "XDR error: Failed to encode NLM4_CANCargs");
		rpc_free_pdu(rpc, pdu);
		return -2;
	}

	if (rpc_queue_pdu(rpc, pdu) != 0) {
		rpc_set_error(rpc, "Out of memory. Failed to queue pdu for nlm/cancel call");
		rpc_free_pdu(rpc, pdu);
		return -1;
	}

	return 0;
}
Example #6
0
int rpc_nlm4_unlock_async(struct rpc_context *rpc, rpc_cb cb, struct NLM4_UNLOCKargs *args, void *private_data)
{
	struct rpc_pdu *pdu;

	pdu = rpc_allocate_pdu(rpc, NLM_PROGRAM, NLM_V4, NLM4_UNLOCK, cb, private_data, (zdrproc_t)zdr_NLM4_UNLOCKres, sizeof(NLM4_UNLOCKres));
	if (pdu == NULL) {
		rpc_set_error(rpc, "Out of memory. Failed to allocate pdu for nlm/unlock call");
		return -1;
	}

	if (zdr_NLM4_UNLOCKargs(&pdu->zdr, args) == 0) {
		rpc_set_error(rpc, "ZDR error: Failed to encode NLM4_UNLOCKargs");
		rpc_free_pdu(rpc, pdu);
		return -2;
	}

	if (rpc_queue_pdu(rpc, pdu) != 0) {
		rpc_set_error(rpc, "Out of memory. Failed to queue pdu for nlm/unlock call");
		rpc_free_pdu(rpc, pdu);
		return -1;
	}

	return 0;
}
Example #7
0
int rpc_rquota1_null_async(struct rpc_context *rpc, rpc_cb cb, void *private_data)
{
	struct rpc_pdu *pdu;

	pdu = rpc_allocate_pdu(rpc, RQUOTA_PROGRAM, RQUOTA_V1, RQUOTA1_NULL, cb, private_data, (xdrproc_t)xdr_void, 0);
	if (pdu == NULL) {
		rpc_set_error(rpc, "Out of memory. Failed to allocate pdu for rquota1/null call");
		return -1;
	}

	if (rpc_queue_pdu(rpc, pdu) != 0) {
		rpc_set_error(rpc, "Out of memory. Failed to queue pdu for rquota1/null call");
		rpc_free_pdu(rpc, pdu);
		return -2;
	}

	return 0;
}
Example #8
0
int rpc_nfsacl_null_async(struct rpc_context *rpc, rpc_cb cb, void *private_data)
{
	struct rpc_pdu *pdu;

	pdu = rpc_allocate_pdu(rpc, NFSACL_PROGRAM, NFSACL_V3, NFSACL3_NULL, cb, private_data, (xdrproc_t)xdr_void, 0);
	if (pdu == NULL) {
		rpc_set_error(rpc, "Out of memory. Failed to allocate pdu for nfsacl/null call");
		return -1;
	}

	if (rpc_queue_pdu(rpc, pdu) != 0) {
		rpc_set_error(rpc, "Out of memory. Failed to queue pdu for nfsacl/null call");
		rpc_free_pdu(rpc, pdu);
		return -2;
	}

	return 0;
}
Example #9
0
int rpc_pmap_null_async(struct rpc_context *rpc, rpc_cb cb, void *private_data)
{
	struct rpc_pdu *pdu;

	pdu = rpc_allocate_pdu(rpc, PMAP_PROGRAM, PMAP_V2, PMAP_NULL, cb, private_data, (xdrproc_t)xdr_void, 0);
	if (pdu == NULL) {
		rpc_set_error(rpc, "Out of memory. Failed to allocate pdu for portmap/null call");
		return -1;
	}

	if (rpc_queue_pdu(rpc, pdu) != 0) {
		rpc_set_error(rpc, "Out of memory. Failed to queue pdu for portmap/null call");
		rpc_free_pdu(rpc, pdu);
		return -1;
	}

	return 0;
}
Example #10
0
int rpc_nlm4_null_async(struct rpc_context *rpc, rpc_cb cb, void *private_data)
{
	struct rpc_pdu *pdu;

	pdu = rpc_allocate_pdu(rpc, NLM_PROGRAM, NLM_V4, NLM4_NULL, cb, private_data, (zdrproc_t)zdr_void, 0);
	if (pdu == NULL) {
		rpc_set_error(rpc, "Out of memory. Failed to allocate pdu for nlm/null call");
		return -1;
	}

	if (rpc_queue_pdu(rpc, pdu) != 0) {
		rpc_set_error(rpc, "Out of memory. Failed to queue pdu for nlm/null call");
		rpc_free_pdu(rpc, pdu);
		return -1;
	}

	return 0;
}
Example #11
0
int rpc_process_pdu(struct rpc_context *rpc, char *buf, int size)
{
	struct rpc_pdu *pdu, *prev_pdu;
	struct rpc_queue *q;
	ZDR zdr;
	int pos, recordmarker = 0;
	unsigned int hash;
	uint32_t xid;
	char *reasbuf = NULL;

	assert(rpc->magic == RPC_CONTEXT_MAGIC);

	memset(&zdr, 0, sizeof(ZDR));

	zdrmem_create(&zdr, buf, size, ZDR_DECODE);
	if (rpc->is_udp == 0) {
		if (zdr_int(&zdr, &recordmarker) == 0) {
			rpc_set_error(rpc, "zdr_int reading recordmarker failed");
			zdr_destroy(&zdr);
			return -1;
		}
		if (!(recordmarker&0x80000000)) {
			zdr_destroy(&zdr);
			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;
		uint32_t total = size - 4;
		char *ptr;

		zdr_destroy(&zdr);
		for (fragment = rpc->fragments; fragment; fragment = fragment->next) {
			total += fragment->size;
                        if (total < fragment->size) {
                                rpc_set_error(rpc, "Fragments too large");
                                rpc_free_all_fragments(rpc);
                                return -1;
                        }
		}

		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);
		zdrmem_create(&zdr, reasbuf, total, ZDR_DECODE);
		rpc_free_all_fragments(rpc);
	}

        if (rpc->is_server_context) {
                int ret;

                ret = rpc_process_call(rpc, &zdr);
                zdr_destroy(&zdr);
                if (reasbuf != NULL) {
                        free(reasbuf);
                }
                return ret;
        }

	pos = zdr_getpos(&zdr);
	if (zdr_int(&zdr, (int *)&xid) == 0) {
		rpc_set_error(rpc, "zdr_int reading xid failed");
		zdr_destroy(&zdr);
		if (reasbuf != NULL) {
			free(reasbuf);
		}
		return -1;
	}
	zdr_setpos(&zdr, pos);

	/* Look up the transaction in a hash table of our requests */
	hash = rpc_hash_xid(xid);
	q = &rpc->waitpdu[hash];

	/* Follow the hash chain.  Linear traverse singly-linked list,
	 * but track previous entry for optimised removal */
	prev_pdu = NULL;
	for (pdu=q->head; pdu; pdu=pdu->next) {
		if (pdu->xid != xid) {
			prev_pdu = pdu;
			continue;
		}
		if (rpc->is_udp == 0 || rpc->is_broadcast == 0) {
			/* Singly-linked but we track head and tail */
			if (pdu == q->head)
				q->head = pdu->next;
			if (pdu == q->tail)
				q->tail = prev_pdu;
			if (prev_pdu != NULL)
				prev_pdu->next = pdu->next;
			rpc->waitpdu_len--;
		}
		if (rpc_process_reply(rpc, pdu, &zdr) != 0) {
			rpc_set_error(rpc, "rpc_procdess_reply failed");
		}
		zdr_destroy(&zdr);
		if (rpc->is_udp == 0 || rpc->is_broadcast == 0) {
			rpc_free_pdu(rpc, pdu);
		}
		if (reasbuf != NULL) {
			free(reasbuf);
		}
		return 0;
	}

	zdr_destroy(&zdr);
	if (reasbuf != NULL) {
		free(reasbuf);
	}
	return 0;
}