C++ (Cpp) smp_chan_create 예제들

예제 #1

파일: smp.c 프로젝트: 96boards-hikey/wilink8-wlan_wl18xx

static u8 smp_cmd_security_req(struct l2cap_conn *conn, struct sk_buff *skb)
{
	struct smp_cmd_security_req *rp = (void *) skb->data;
	struct smp_cmd_pairing cp;
	struct hci_conn *hcon = conn->hcon;
	struct smp_chan *smp;

	BT_DBG("conn %p", conn);

	hcon->pending_sec_level = BT_SECURITY_MEDIUM;

	if (smp_ltk_encrypt(conn))
		return 0;

	if (test_and_set_bit(HCI_CONN_LE_SMP_PEND, &hcon->pend))
		return 0;

	smp = smp_chan_create(conn);

	skb_pull(skb, sizeof(*rp));

	memset(&cp, 0, sizeof(cp));
	build_pairing_cmd(conn, &cp, NULL, rp->auth_req);

	smp->preq[0] = SMP_CMD_PAIRING_REQ;
	memcpy(&smp->preq[1], &cp, sizeof(cp));

	smp_send_cmd(conn, SMP_CMD_PAIRING_REQ, sizeof(cp), &cp);

	return 0;
}

예제 #2

int smp_conn_security(struct l2cap_conn *conn, __u8 sec_level)
{
	struct hci_conn *hcon = conn->hcon;
	struct smp_chan *smp = conn->smp_chan;
	__u8 authreq;

	BT_DBG("conn %p hcon %p level 0x%2.2x", conn, hcon, sec_level);

	if (!lmp_host_le_capable(hcon->hdev))
		return 1;

	if (sec_level == BT_SECURITY_LOW)
		return 1;

	if (hcon->sec_level >= sec_level)
		return 1;

	if (hcon->link_mode & HCI_LM_MASTER)
		if (smp_ltk_encrypt(conn))
			goto done;

	if (test_and_set_bit(HCI_CONN_LE_SMP_PEND, &hcon->flags))
		return 0;

	smp = smp_chan_create(conn);
	if (!smp)
		return 1;

	authreq = seclevel_to_authreq(sec_level);

	if (hcon->link_mode & HCI_LM_MASTER) {
		struct smp_cmd_pairing cp;
		struct link_key *key;

		key = hci_find_link_key_type(hcon->hdev, conn->dst,
							HCI_LK_SMP_LTK);
		if (key) {
			struct key_master_id *master = (void *) key->data;

			hci_le_start_enc(hcon, master->ediv, master->rand,
								key->val);
			goto done;
		}

		build_pairing_cmd(conn, &cp, NULL, authreq);
		smp->preq[0] = SMP_CMD_PAIRING_REQ;
		memcpy(&smp->preq[1], &cp, sizeof(cp));

		smp_send_cmd(conn, SMP_CMD_PAIRING_REQ, sizeof(cp), &cp);
	} else {
		struct smp_cmd_security_req cp;
		cp.auth_req = authreq;
		smp_send_cmd(conn, SMP_CMD_SECURITY_REQ, sizeof(cp), &cp);
	}

done:
	hcon->pending_sec_level = sec_level;

	return 0;
}

예제 #3

파일: smp.c 프로젝트: pombredanne/mithrandir

int smp_conn_security(struct hci_conn *hcon, __u8 sec_level)
{
	struct l2cap_conn *conn = hcon->l2cap_data;
	struct smp_chan *smp;
	__u8 authreq;

	BT_DBG("conn %p hcon %p level 0x%2.2x", conn, hcon, sec_level);

	/* This may be NULL if there's an unexpected disconnection */
	if (!conn)
		return 1;

	if (!test_bit(HCI_LE_ENABLED, &hcon->hdev->dev_flags))
		return 1;

	if (smp_sufficient_security(hcon, sec_level))
		return 1;

	if (hcon->link_mode & HCI_LM_MASTER)
		if (smp_ltk_encrypt(conn, sec_level))
			goto done;

	if (test_and_set_bit(HCI_CONN_LE_SMP_PEND, &hcon->flags))
		return 0;

	smp = smp_chan_create(conn);
	if (!smp)
		return 1;

	authreq = seclevel_to_authreq(sec_level);

	/* Require MITM if IO Capability allows or the security level
	 * requires it.
	 */
	if (hcon->io_capability != HCI_IO_NO_INPUT_OUTPUT ||
	    sec_level > BT_SECURITY_MEDIUM)
		authreq |= SMP_AUTH_MITM;

	if (hcon->link_mode & HCI_LM_MASTER) {
		struct smp_cmd_pairing cp;

		build_pairing_cmd(conn, &cp, NULL, authreq);
		smp->preq[0] = SMP_CMD_PAIRING_REQ;
		memcpy(&smp->preq[1], &cp, sizeof(cp));

		smp_send_cmd(conn, SMP_CMD_PAIRING_REQ, sizeof(cp), &cp);
	} else {
		struct smp_cmd_security_req cp;
		cp.auth_req = authreq;
		smp_send_cmd(conn, SMP_CMD_SECURITY_REQ, sizeof(cp), &cp);
	}

	set_bit(SMP_FLAG_INITIATOR, &smp->smp_flags);

done:
	hcon->pending_sec_level = sec_level;

	return 0;
}

예제 #4

파일: smp.c 프로젝트: pombredanne/mithrandir

static u8 smp_cmd_pairing_req(struct l2cap_conn *conn, struct sk_buff *skb)
{
	struct smp_cmd_pairing rsp, *req = (void *) skb->data;
	struct smp_chan *smp;
	u8 key_size;
	u8 auth = SMP_AUTH_NONE;
	int ret;

	BT_DBG("conn %p", conn);

	if (skb->len < sizeof(*req))
		return SMP_UNSPECIFIED;

	if (conn->hcon->link_mode & HCI_LM_MASTER)
		return SMP_CMD_NOTSUPP;

	if (!test_and_set_bit(HCI_CONN_LE_SMP_PEND, &conn->hcon->flags))
		smp = smp_chan_create(conn);
	else
		smp = conn->smp_chan;

	if (!smp)
		return SMP_UNSPECIFIED;

	smp->preq[0] = SMP_CMD_PAIRING_REQ;
	memcpy(&smp->preq[1], req, sizeof(*req));
	skb_pull(skb, sizeof(*req));

	/* We didn't start the pairing, so match remote */
	if (req->auth_req & SMP_AUTH_BONDING)
		auth = req->auth_req;

	conn->hcon->pending_sec_level = authreq_to_seclevel(auth);

	build_pairing_cmd(conn, req, &rsp, auth);

	key_size = min(req->max_key_size, rsp.max_key_size);
	if (check_enc_key_size(conn, key_size))
		return SMP_ENC_KEY_SIZE;

	get_random_bytes(smp->prnd, sizeof(smp->prnd));

	smp->prsp[0] = SMP_CMD_PAIRING_RSP;
	memcpy(&smp->prsp[1], &rsp, sizeof(rsp));

	smp_send_cmd(conn, SMP_CMD_PAIRING_RSP, sizeof(rsp), &rsp);

	/* Request setup of TK */
	ret = tk_request(conn, 0, auth, rsp.io_capability, req->io_capability);
	if (ret)
		return SMP_UNSPECIFIED;

	clear_bit(SMP_FLAG_INITIATOR, &smp->smp_flags);

	return 0;
}

예제 #5

파일: smp.c 프로젝트: mcrosson/samsung_kernel_comanche

int smp_conn_security(struct l2cap_conn *conn, __u8 sec_level)
{
	struct hci_conn *hcon = conn->hcon;
	struct smp_chan *smp = conn->smp_chan;
	__u8 authreq;

	BT_DBG("conn %p hcon %p level 0x%2.2x", conn, hcon, sec_level);

	if (!lmp_host_le_capable(hcon->hdev))
		return 1;

	/* SSBT :: KJH + (0223), for Pin or Key Missing case */
	if (sec_level == BT_SECURITY_LOW) {
		if (hcon->link_mode & HCI_LM_MASTER)
			if (smp_ltk_encrypt(conn))
				goto done;

		return 1;
	}

	if (hcon->sec_level >= sec_level)
		return 1;

	if (hcon->link_mode & HCI_LM_MASTER)
		if (smp_ltk_encrypt(conn))
			goto done;

	if (test_and_set_bit(HCI_CONN_LE_SMP_PEND, &hcon->flags))
		return 0;

	smp = smp_chan_create(conn);
	if (!smp)
		return 1;

	authreq = seclevel_to_authreq(sec_level);

	if (hcon->link_mode & HCI_LM_MASTER) {
		struct smp_cmd_pairing cp;

		build_pairing_cmd(conn, &cp, NULL, authreq);
		smp->preq[0] = SMP_CMD_PAIRING_REQ;
		memcpy(&smp->preq[1], &cp, sizeof(cp));

		smp_send_cmd(conn, SMP_CMD_PAIRING_REQ, sizeof(cp), &cp);
	} else {
		struct smp_cmd_security_req cp;
		cp.auth_req = authreq;
		smp_send_cmd(conn, SMP_CMD_SECURITY_REQ, sizeof(cp), &cp);
	}

done:
	hcon->pending_sec_level = sec_level;

	return 0;
}

예제 #6

파일: smp.c 프로젝트: Agontuk/android_kernel_sony_u8500

int smp_conn_security(struct hci_conn *hcon, __u8 sec_level)
{
	struct l2cap_conn *conn = hcon->l2cap_data;
	struct smp_chan *smp = conn->smp_chan;
	__u8 authreq;

	BT_DBG("conn %p hcon %p level 0x%2.2x", conn, hcon, sec_level);

	if (!test_bit(HCI_LE_ENABLED, &hcon->hdev->dev_flags))
		return 1;

	if (smp_sufficient_security(hcon, sec_level))
		return 1;

	if (hcon->link_mode & HCI_LM_MASTER)
		if (smp_ltk_encrypt(conn, sec_level))
			goto done;

	if (test_and_set_bit(HCI_CONN_LE_SMP_PEND, &hcon->flags))
		return 0;

	smp = smp_chan_create(conn);
	if (!smp)
		return 1;

	authreq = seclevel_to_authreq(sec_level);

	if (hcon->link_mode & HCI_LM_MASTER) {
		struct smp_cmd_pairing cp;

		build_pairing_cmd(conn, &cp, NULL, authreq);
		smp->preq[0] = SMP_CMD_PAIRING_REQ;
		memcpy(&smp->preq[1], &cp, sizeof(cp));

		smp_send_cmd(conn, SMP_CMD_PAIRING_REQ, sizeof(cp), &cp);
	} else {
		struct smp_cmd_security_req cp;
		cp.auth_req = authreq;
		smp_send_cmd(conn, SMP_CMD_SECURITY_REQ, sizeof(cp), &cp);
	}

done:
	hcon->pending_sec_level = sec_level;

	return 0;
}

예제 #7

파일: smp.c 프로젝트: 96boards-hikey/wilink8-wlan_wl18xx

int smp_conn_security(struct l2cap_conn *conn, __u8 sec_level)
{
	struct hci_conn *hcon = conn->hcon;
	struct smp_chan *smp = conn->smp_chan;

	BT_DBG("conn %p hcon %p level 0x%2.2x", conn, hcon, sec_level);

	if (!lmp_host_le_capable(hcon->hdev))
		return 1;

	if (sec_level == BT_SECURITY_LOW)
		return 1;

	if (hcon->sec_level >= sec_level)
		return 1;

	if (hcon->link_mode & HCI_LM_MASTER)
		if (smp_ltk_encrypt(conn))
			goto done;

	if (test_and_set_bit(HCI_CONN_LE_SMP_PEND, &hcon->pend))
		return 0;

	smp = smp_chan_create(conn);

	if (hcon->link_mode & HCI_LM_MASTER) {
		struct smp_cmd_pairing cp;

		build_pairing_cmd(conn, &cp, NULL, SMP_AUTH_NONE);
		smp->preq[0] = SMP_CMD_PAIRING_REQ;
		memcpy(&smp->preq[1], &cp, sizeof(cp));

		smp_send_cmd(conn, SMP_CMD_PAIRING_REQ, sizeof(cp), &cp);
	} else {
		struct smp_cmd_security_req cp;
		cp.auth_req = SMP_AUTH_NONE;
		smp_send_cmd(conn, SMP_CMD_SECURITY_REQ, sizeof(cp), &cp);
	}

done:
	hcon->pending_sec_level = sec_level;

	return 0;
}

예제 #8

파일: smp.c 프로젝트: 96boards-hikey/wilink8-wlan_wl18xx

static u8 smp_cmd_pairing_req(struct l2cap_conn *conn, struct sk_buff *skb)
{
	struct smp_cmd_pairing rsp, *req = (void *) skb->data;
	struct smp_chan *smp;
	u8 key_size;
	int ret;

	BT_DBG("conn %p", conn);

	if (!test_and_set_bit(HCI_CONN_LE_SMP_PEND, &conn->hcon->pend))
		smp = smp_chan_create(conn);

	smp = conn->smp_chan;

	smp->preq[0] = SMP_CMD_PAIRING_REQ;
	memcpy(&smp->preq[1], req, sizeof(*req));
	skb_pull(skb, sizeof(*req));

	if (req->oob_flag)
		return SMP_OOB_NOT_AVAIL;

	/* We didn't start the pairing, so no requirements */
	build_pairing_cmd(conn, req, &rsp, SMP_AUTH_NONE);

	key_size = min(req->max_key_size, rsp.max_key_size);
	if (check_enc_key_size(conn, key_size))
		return SMP_ENC_KEY_SIZE;

	/* Just works */
	memset(smp->tk, 0, sizeof(smp->tk));

	ret = smp_rand(smp->prnd);
	if (ret)
		return SMP_UNSPECIFIED;

	smp->prsp[0] = SMP_CMD_PAIRING_RSP;
	memcpy(&smp->prsp[1], &rsp, sizeof(rsp));

	smp_send_cmd(conn, SMP_CMD_PAIRING_RSP, sizeof(rsp), &rsp);

	return 0;
}

예제 #9

파일: smp.c 프로젝트: moonlightly/NX523J_kernel

static u8 smp_cmd_security_req(struct l2cap_conn *conn, struct sk_buff *skb)
{
	struct smp_cmd_security_req *rp = (void *) skb->data;
	struct smp_cmd_pairing cp;
	struct hci_conn *hcon = conn->hcon;
	struct smp_chan *smp;
	u8 sec_level;

	BT_DBG("conn %p", conn);

	sec_level = authreq_to_seclevel(rp->auth_req);
	if (smp_sufficient_security(hcon, sec_level))
		return 0;

	if (sec_level > hcon->pending_sec_level)
		hcon->pending_sec_level = sec_level;

	if (smp_ltk_encrypt(conn, hcon->pending_sec_level))
		return 0;

	if (test_and_set_bit(HCI_CONN_LE_SMP_PEND, &hcon->flags))
		return 0;

	smp = smp_chan_create(conn);
	if (!smp)
		return SMP_UNSPECIFIED;

	skb_pull(skb, sizeof(*rp));

	memset(&cp, 0, sizeof(cp));
	build_pairing_cmd(conn, &cp, NULL, rp->auth_req);

	smp->preq[0] = SMP_CMD_PAIRING_REQ;
	memcpy(&smp->preq[1], &cp, sizeof(cp));

	smp_send_cmd(conn, SMP_CMD_PAIRING_REQ, sizeof(cp), &cp);

	return 0;
}

예제 #10

파일: smp.c 프로젝트: pombredanne/mithrandir

static u8 smp_cmd_security_req(struct l2cap_conn *conn, struct sk_buff *skb)
{
	struct smp_cmd_security_req *rp = (void *) skb->data;
	struct smp_cmd_pairing cp;
	struct hci_conn *hcon = conn->hcon;
	struct smp_chan *smp;

	BT_DBG("conn %p", conn);

	if (skb->len < sizeof(*rp))
		return SMP_UNSPECIFIED;

	if (!(conn->hcon->link_mode & HCI_LM_MASTER))
		return SMP_CMD_NOTSUPP;

	hcon->pending_sec_level = authreq_to_seclevel(rp->auth_req);

	if (smp_ltk_encrypt(conn, hcon->pending_sec_level))
		return 0;

	if (test_and_set_bit(HCI_CONN_LE_SMP_PEND, &hcon->flags))
		return 0;

	smp = smp_chan_create(conn);

	skb_pull(skb, sizeof(*rp));

	memset(&cp, 0, sizeof(cp));
	build_pairing_cmd(conn, &cp, NULL, rp->auth_req);

	smp->preq[0] = SMP_CMD_PAIRING_REQ;
	memcpy(&smp->preq[1], &cp, sizeof(cp));

	smp_send_cmd(conn, SMP_CMD_PAIRING_REQ, sizeof(cp), &cp);

	clear_bit(SMP_FLAG_INITIATOR, &smp->smp_flags);

	return 0;
}