C++ (Cpp) hci_find_link_key_type Examples

Example #1

File: smp.c Project: AdiPat/android_kernel_htc_pico

static int smp_cmd_master_ident(struct l2cap_conn *conn, struct sk_buff *skb)
{
	struct smp_cmd_master_ident *rp = (void *) skb->data;
	struct smp_cmd_pairing *paircmd = (void *) &conn->prsp[1];
	struct link_key *key;
	struct key_master_id *id;
	u8 keydist = paircmd->init_key_dist;

	skb_pull(skb, sizeof(*rp));

	key = hci_find_link_key_type(conn->hcon->hdev, conn->dst, KEY_TYPE_LTK);
	if (key == NULL)
		return SMP_UNSPECIFIED;

	BT_DBG("keydist 0x%x", keydist);

	id = (void *) key->data;
	id->ediv = rp->ediv;
	memcpy(id->rand, rp->rand, sizeof(rp->rand));

	hci_add_ltk(conn->hcon->hdev, 1, conn->src, conn->smp_key_size,
						rp->ediv, rp->rand, key->val);

	smp_distribute_keys(conn, 1);

	return 0;
}

Example #2

static int smp_cmd_master_ident(struct l2cap_conn *conn, struct sk_buff *skb)
{
	struct hci_conn *hcon = conn->hcon;
	struct smp_cmd_master_ident *rp = (void *) skb->data;
	struct smp_cmd_pairing *paircmd = (void *) &hcon->prsp[1];
	struct link_key *key;
	u8 *keydist;

	skb_pull(skb, sizeof(*rp));

	key = hci_find_link_key_type(hcon->hdev, conn->dst, KEY_TYPE_LTK);
	if (key == NULL)
		return SMP_UNSPECIFIED;

	if (hcon->out)
		keydist = &paircmd->resp_key_dist;
	else
		keydist = &paircmd->init_key_dist;

	BT_DBG("keydist 0x%x", *keydist);

	hci_add_ltk(hcon->hdev, 1, conn->dst, hcon->dst_type,
			hcon->smp_key_size, hcon->auth, rp->ediv,
			rp->rand, key->val);

	*keydist &= ~SMP_DIST_ENC_KEY;
	if (hcon->out) {
		if (!(*keydist))
			smp_distribute_keys(conn, 1);
	}

	return 0;
}

Example #3

File: smp.c Project: 98416/Z7Max_NX505J_H129_kernel

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

	BT_DBG("conn %p hcon %p %d req: %d",
			conn, hcon, hcon->sec_level, sec_level);

	if (IS_ERR(hcon->hdev->tfm))
		return 1;

	if (test_bit(HCI_CONN_ENCRYPT_PEND, &hcon->pend))
		return -EINPROGRESS;

	if (sec_level == BT_SECURITY_LOW)
		return 1;


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

	authreq = seclevel_to_authreq(sec_level);

	hcon->smp_conn = conn;
	hcon->pending_sec_level = sec_level;
	if (hcon->link_mode & HCI_LM_MASTER) {
		struct link_key *key;

		key = hci_find_link_key_type(hcon->hdev, conn->dst,
							KEY_TYPE_LTK);

		if (smp_encrypt_link(hcon, key) == 0)
			goto done;
	}

	hcon->sec_req = FALSE;

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

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

		mod_timer(&hcon->smp_timer, jiffies +
					msecs_to_jiffies(SMP_TIMEOUT));

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

done:
	set_bit(HCI_CONN_ENCRYPT_PEND, &hcon->pend);

	return 0;
}

Example #4

File: smp.c Project: AdiPat/android_kernel_htc_pico

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

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

	if (IS_ERR(hcon->hdev->tfm))
		return 1;

	if (test_bit(HCI_CONN_ENCRYPT_PEND, &hcon->pend))
		return -EINPROGRESS;

	if (sec_level == BT_SECURITY_LOW)
		return 1;

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

	authreq = seclevel_to_authreq(sec_level);

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

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

			hci_le_start_enc(hcon, master->ediv, master->rand,
								key->val);
			hcon->enc_key_size = key->pin_len;

			goto done;
		}
	}

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

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

		mod_timer(&conn->security_timer, jiffies +
					msecs_to_jiffies(SMP_TIMEOUT));

		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;
	set_bit(HCI_CONN_ENCRYPT_PEND, &hcon->pend);

	return 0;
}

Example #5

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;
}

Example #6

File: smp.c Project: CSRedRat/CM-LG-L5_Kernel

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

	BT_DBG("conn %p", conn);

	if (test_bit(HCI_CONN_ENCRYPT_PEND, &hcon->pend))
		return 0;

	key = hci_find_link_key_type(hcon->hdev, conn->dst, KEY_TYPE_LTK);
	if (key && ((key->auth & SMP_AUTH_MITM) ||
					!(rp->auth_req & SMP_AUTH_MITM))) {

		if (smp_encrypt_link(hcon, key) < 0)
			goto invalid_key;

		hcon->sec_level = authreq_to_seclevel(key->auth);

		if (!(hcon->link_mode & HCI_LM_ENCRYPT))
			hci_conn_hold(hcon);

		return 0;
	}

invalid_key:
	hcon->sec_req = FALSE;

	/* Switch to Pairing Connection Parameters */
	hci_le_conn_update(hcon, SMP_MIN_CONN_INTERVAL, SMP_MAX_CONN_INTERVAL,
			SMP_MAX_CONN_LATENCY, SMP_SUPERVISION_TIMEOUT);

	skb_pull(skb, sizeof(*rp));

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

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

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

	mod_timer(&hcon->smp_timer, jiffies + msecs_to_jiffies(SMP_TIMEOUT));

	set_bit(HCI_CONN_ENCRYPT_PEND, &hcon->pend);

	hci_conn_hold(hcon);

	return 0;
}

Example #7

File: smp.c Project: dimax754/msm_2.6.38

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

	BT_DBG("conn %p", conn);

	if (test_bit(HCI_CONN_ENCRYPT_PEND, &hcon->pend))
		return 0;

	key = hci_find_link_key_type(hcon->hdev, conn->dst, KEY_TYPE_LTK);
	if (key && ((key->auth & SMP_AUTH_MITM) ||
					!(rp->auth_req & SMP_AUTH_MITM))) {
		struct key_master_id *master = (void *) key->data;

		hci_le_start_enc(hcon, master->ediv, master->rand,
				key->val);
		hcon->enc_key_size = key->pin_len;

		hcon->sec_req = TRUE;
		hcon->sec_level = authreq_to_seclevel(rp->auth_req);

		return 0;
	}

	hcon->sec_req = FALSE;

	skb_pull(skb, sizeof(*rp));

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

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

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

	mod_timer(&hcon->smp_timer, jiffies + msecs_to_jiffies(SMP_TIMEOUT));

	set_bit(HCI_CONN_ENCRYPT_PEND, &hcon->pend);

	return 0;
}

Example #8

File: smp.c Project: 96boards-hikey/wilink8-wlan_wl18xx

static u8 smp_ltk_encrypt(struct l2cap_conn *conn)
{
	struct link_key *key;
	struct key_master_id *master;
	struct hci_conn *hcon = conn->hcon;

	key = hci_find_link_key_type(hcon->hdev, conn->dst,
						HCI_LK_SMP_LTK);
	if (!key)
		return 0;

	if (test_and_set_bit(HCI_CONN_ENCRYPT_PEND,
					&hcon->pend))
		return 1;

	master = (void *) key->data;
	hci_le_start_enc(hcon, master->ediv, master->rand,
						key->val);
	hcon->enc_key_size = key->pin_len;

	return 1;

}

Example #9

File: smp.c Project: CSRedRat/CM-LG-L5_Kernel

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

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

	if (IS_ERR(hcon->hdev->tfm)) {
		BT_DBG("IS_ERR");
		return 1;
	}

	if (test_bit(HCI_CONN_ENCRYPT_PEND, &hcon->pend)) {
		BT_DBG("HCI_CONN_ENCRYPT_PEND");
		return -EINPROGRESS;
	}

	if (sec_level == BT_SECURITY_LOW) {
		BT_DBG("BT_SECURITY_LOW");
		return 1;
	}

	if (hcon->sec_level > sec_level) {
		BT_DBG("hcon->sec_level > sec_level");
		return 1;
	}

	authreq = seclevel_to_authreq(sec_level);

	BT_ERR("conn = %p, sec: %d", conn, sec_level);
	hcon->smp_conn = conn;
	hcon->sec_level = sec_level;

	if ((hcon->link_mode & HCI_LM_MASTER) && !hcon->sec_req) {
		struct link_key *key;

		key = hci_find_link_key_type(hcon->hdev, conn->dst,
							KEY_TYPE_LTK);

		if (smp_encrypt_link(hcon, key) == 0)
			goto done;
	}

	hcon->sec_req = FALSE;

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

		/* Switch to Pairing Connection Parameters */
		hci_le_conn_update(hcon, SMP_MIN_CONN_INTERVAL,
				SMP_MAX_CONN_INTERVAL, SMP_MAX_CONN_LATENCY,
				SMP_SUPERVISION_TIMEOUT);

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

		mod_timer(&hcon->smp_timer, jiffies +
					msecs_to_jiffies(SMP_TIMEOUT));

		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;
	set_bit(HCI_CONN_ENCRYPT_PEND, &hcon->pend);

	return 0;
}