C++ (Cpp) smb2_push_o16s32_blob Examples

Example #1

File: fileio.c Project: technosaurus/samba4-GPL2

static void smb2srv_notify_send(struct ntvfs_request *ntvfs)
{
	struct smb2srv_request *req;
	union smb_notify *io;
	size_t size = 0;
	int i;
	uint8_t *p;
	DATA_BLOB blob = data_blob(NULL, 0);

	SMB2SRV_CHECK_ASYNC_STATUS(io, union smb_notify);
	SMB2SRV_CHECK(smb2srv_setup_reply(req, 0x08, True, 0));

#define MAX_BYTES_PER_CHAR 3
	
	/* work out how big the reply buffer could be */
	for (i=0;i<io->smb2.out.num_changes;i++) {
		size += 12 + 3 + (1+strlen(io->smb2.out.changes[i].name.s)) * MAX_BYTES_PER_CHAR;
	}

	blob = data_blob_talloc(req, NULL, size);
	if (size > 0 && !blob.data) {
		SMB2SRV_CHECK(NT_STATUS_NO_MEMORY);
	}

	p = blob.data;

	/* construct the changes buffer */
	for (i=0;i<io->smb2.out.num_changes;i++) {
		uint32_t ofs;
		ssize_t len;

		SIVAL(p, 4, io->smb2.out.changes[i].action);
		len = push_string(p + 12, io->smb2.out.changes[i].name.s, 
				  blob.length - (p+12 - blob.data), STR_UNICODE);
		SIVAL(p, 8, len);

		ofs = len + 12;

		if (ofs & 3) {
			int pad = 4 - (ofs & 3);
			memset(p+ofs, 0, pad);
			ofs += pad;
		}

		if (i == io->smb2.out.num_changes-1) {
			SIVAL(p, 0, 0);
		} else {
			SIVAL(p, 0, ofs);
		}

		p += ofs;
	}

	blob.length = p - blob.data;

	SMB2SRV_CHECK(smb2_push_o16s32_blob(&req->out, 0x02, blob));

	smb2srv_send_reply(req);
}

Example #2

File: fileio.c Project: technosaurus/samba4-GPL2

static void smb2srv_read_send(struct ntvfs_request *ntvfs)
{
	struct smb2srv_request *req;
	union smb_read *io;

	SMB2SRV_CHECK_ASYNC_STATUS(io, union smb_read);
	SMB2SRV_CHECK(smb2srv_setup_reply(req, 0x10, True, io->smb2.out.data.length));

	/* TODO: avoid the memcpy */
	SMB2SRV_CHECK(smb2_push_o16s32_blob(&req->out, 0x02, io->smb2.out.data));
	SBVAL(req->out.body,	0x08,	io->smb2.out.unknown1);

	smb2srv_send_reply(req);
}

Example #3

File: write.c Project: AIdrifter/samba

/*
  send a write request
*/
struct smb2_request *smb2_write_send(struct smb2_tree *tree, struct smb2_write *io)
{
	NTSTATUS status;
	struct smb2_request *req;

	req = smb2_request_init_tree(tree, SMB2_OP_WRITE, 0x30, true, io->in.data.length);
	if (req == NULL) return NULL;

	status = smb2_push_o16s32_blob(&req->out, 0x02, io->in.data);
	if (!NT_STATUS_IS_OK(status)) {
		talloc_free(req);
		return NULL;
	}

	SBVAL(req->out.body, 0x08, io->in.offset);
	smb2_push_handle(req->out.body+0x10, &io->in.file.handle);

	SBVAL(req->out.body, 0x20, io->in.unknown1);
	SBVAL(req->out.body, 0x28, io->in.unknown2);

	smb2_transport_send(req);

	return req;
}