Commit f01ead31 authored by Anderson Briglia's avatar Anderson Briglia Committed by Gustavo F. Padovan

Bluetooth: Add SMP confirmation structs

This patch adds initial support for verifying the confirmation value
that the remote side has sent.
Signed-off-by: default avatarAnderson Briglia <anderson.briglia@openbossa.org>
Signed-off-by: default avatarVinicius Costa Gomes <vinicius.gomes@openbossa.org>
Signed-off-by: default avatarGustavo F. Padovan <padovan@profusion.mobi>
parent d22ef0bc
......@@ -395,6 +395,11 @@ struct l2cap_conn {
__u8 disc_reason;
__u8 preq[7]; /* SMP Pairing Request */
__u8 prsp[7]; /* SMP Pairing Response */
__u8 prnd[16]; /* SMP Pairing Random */
__u8 pcnf[16]; /* SMP Pairing Confirm */
struct list_head chan_l;
rwlock_t chan_lock;
};
......
......@@ -187,6 +187,8 @@ static void smp_cmd_pairing_req(struct l2cap_conn *conn, struct sk_buff *skb)
BT_DBG("conn %p", conn);
conn->preq[0] = SMP_CMD_PAIRING_REQ;
memcpy(&conn->preq[1], rp, sizeof(*rp));
skb_pull(skb, sizeof(*rp));
rp->io_capability = 0x00;
......@@ -196,17 +198,25 @@ static void smp_cmd_pairing_req(struct l2cap_conn *conn, struct sk_buff *skb)
rp->resp_key_dist = 0x00;
rp->auth_req &= (SMP_AUTH_BONDING | SMP_AUTH_MITM);
conn->prsp[0] = SMP_CMD_PAIRING_RSP;
memcpy(&conn->prsp[1], rp, sizeof(*rp));
smp_send_cmd(conn, SMP_CMD_PAIRING_RSP, sizeof(*rp), rp);
}
static void smp_cmd_pairing_rsp(struct l2cap_conn *conn, struct sk_buff *skb)
{
struct smp_cmd_pairing *rp = (void *) skb->data;
struct smp_cmd_pairing_confirm cp;
BT_DBG("conn %p", conn);
memset(&cp, 0, sizeof(cp));
conn->prsp[0] = SMP_CMD_PAIRING_RSP;
memcpy(&conn->prsp[1], rp, sizeof(*rp));
skb_pull(skb, sizeof(*rp));
smp_send_cmd(conn, SMP_CMD_PAIRING_CONFIRM, sizeof(cp), &cp);
}
......@@ -266,6 +276,9 @@ static void smp_cmd_security_req(struct l2cap_conn *conn, struct sk_buff *skb)
cp.resp_key_dist = 0x00;
cp.auth_req = rp->auth_req & (SMP_AUTH_BONDING | SMP_AUTH_MITM);
conn->preq[0] = SMP_CMD_PAIRING_REQ;
memcpy(&conn->preq[1], &cp, sizeof(cp));
smp_send_cmd(conn, SMP_CMD_PAIRING_REQ, sizeof(cp), &cp);
}
......@@ -303,6 +316,10 @@ int smp_conn_security(struct l2cap_conn *conn, __u8 sec_level)
cp.init_key_dist = 0x00;
cp.resp_key_dist = 0x00;
cp.auth_req = authreq;
conn->preq[0] = SMP_CMD_PAIRING_REQ;
memcpy(&conn->preq[1], &cp, sizeof(cp));
smp_send_cmd(conn, SMP_CMD_PAIRING_REQ, sizeof(cp), &cp);
} else {
struct smp_cmd_security_req cp;
......
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