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Bluetooth: SMP: Distribute local keys over BR/EDR

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< ACL Data TX: Handle 11 flags 0x00 dlen 21
      BR/EDR SMP: Identity Information (0x08) len 16
        Identity resolving key: 732bf430116b328587de5fda0a4b8c80
< ACL Data TX: Handle 11 flags 0x00 dlen 12
      BR/EDR SMP: Identity Address Information (0x09) len 7
        Address type: Public (0x00)
        Address: 00:02:72:33:45:88

Jira: ZEP-605

Change-Id: I6ba203ea4bbd64c0f05150d3865e6c3bb630b41d
Signed-off-by: Szymon Janc <ext.szymon.janc@tieto.com>
This commit is contained in:
Szymon Janc 2016-09-08 12:15:12 +02:00 • committed by Johan Hedberg
commit c31fcf4e5a
1 changed files with 78 additions and 1 deletions
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79
net/bluetooth/smp.c
View file

@ -709,7 +709,84 @@ static void smp_br_derive_ltk(struct bt_smp *smp)
static void smp_br_distribute_keys(struct bt_smp *smp)
{
/* TODO */
struct bt_conn *conn = smp->chan.chan.conn;
struct bt_keys *keys;
bt_addr_le_t addr;
/*
* For dualmode devices LE address is same as BR/EDR address and is of
* public type.
*/
bt_addr_copy(&addr.a, &conn->br.dst);
addr.type = BT_ADDR_LE_PUBLIC;
keys = bt_keys_get_addr(&addr);
if (!keys) {
BT_ERR("No keys space for %s", bt_addr_le_str(&addr));
return;
}
#if defined(CONFIG_BLUETOOTH_PRIVACY)
if (smp->local_dist & BT_SMP_DIST_ID_KEY) {
struct bt_smp_ident_info *id_info;
struct bt_smp_ident_addr_info *id_addr_info;
struct net_buf *buf;
smp->local_dist &= ~BT_SMP_DIST_ID_KEY;
buf = smp_create_pdu(conn, BT_SMP_CMD_IDENT_INFO,
sizeof(*id_info));
if (!buf) {
BT_ERR("Unable to allocate Ident Info buffer");
return;
}
id_info = net_buf_add(buf, sizeof(*id_info));
memcpy(id_info->irk, bt_dev.irk, 16);
smp_br_send(smp, buf);
buf = smp_create_pdu(conn, BT_SMP_CMD_IDENT_ADDR_INFO,
sizeof(*id_addr_info));
if (!buf) {
BT_ERR("Unable to allocate Ident Addr Info buffer");
return;
}
id_addr_info = net_buf_add(buf, sizeof(*id_addr_info));
bt_addr_le_copy(&id_addr_info->addr, &bt_dev.id_addr);
smp_br_send(smp, buf);
}
#endif /* CONFIG_BLUETOOTH_PRIVACY */
#if defined(CONFIG_BLUETOOTH_SIGNING)
if (smp->local_dist & BT_SMP_DIST_SIGN) {
struct bt_smp_signing_info *info;
struct net_buf *buf;
smp->local_dist &= ~BT_SMP_DIST_SIGN;
buf = smp_create_pdu(conn, BT_SMP_CMD_SIGNING_INFO,
sizeof(*info));
if (!buf) {
BT_ERR("Unable to allocate Signing Info buffer");
return;
}
info = net_buf_add(buf, sizeof(*info));
bt_rand(info->csrk, sizeof(info->csrk));
if (atomic_test_bit(smp->flags, SMP_FLAG_BOND)) {
bt_keys_add_type(keys, BT_KEYS_LOCAL_CSRK);
memcpy(keys->local_csrk.val, info->csrk, 16);
keys->local_csrk.cnt = 0;
}
smp_br_send(smp, buf);
}
#endif /* CONFIG_BLUETOOTH_SIGNING */
}
static uint8_t smp_br_pairing_req(struct bt_smp *smp, struct net_buf *buf)