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wiphy: De-auth if setting key transaction fails

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This commit is contained in:
Denis Kenzior 2015-03-29 22:01:20 -05:00
parent 85a5d7ba98
commit 3a6c06e85b
1 changed files with 61 additions and 20 deletions
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81
src/wiphy.c
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@ -732,15 +732,57 @@ static bool wiphy_match(const void *a, const void *b)
return (wiphy->id == id);
}
static void connect_failed_cb(struct l_genl_msg *msg,
void *user_data)
{
struct netdev *netdev = user_data;
dbus_pending_reply(&netdev->connect_pending,
dbus_error_failed(netdev->connect_pending));
netdev->connected_bss = NULL;
}
static void setting_keys_failed(struct netdev *netdev, uint16_t reason_code)
{
struct l_genl_msg *msg;
/*
* Something went wrong with our new_key, set_key, new_key,
* set_station, set_oper_state transaction
*
* Cancel all pending commands, then de-authenticate
*/
l_genl_family_cancel(nl80211, netdev->pairwise_new_key_cmd_id);
netdev->pairwise_new_key_cmd_id = 0;
l_genl_family_cancel(nl80211, netdev->pairwise_set_key_cmd_id);
netdev->pairwise_set_key_cmd_id = 0;
l_genl_family_cancel(nl80211, netdev->group_new_key_cmd_id);
netdev->group_new_key_cmd_id = 0;
eapol_cancel(netdev->index);
msg = l_genl_msg_new_sized(NL80211_CMD_DEAUTHENTICATE, 512);
msg_append_attr(msg, NL80211_ATTR_IFINDEX, 4, &netdev->index);
msg_append_attr(msg, NL80211_ATTR_REASON_CODE, 2, &reason_code);
msg_append_attr(msg, NL80211_ATTR_MAC, ETH_ALEN,
netdev->connected_bss->addr);
l_genl_family_send(nl80211, msg, connect_failed_cb, netdev, NULL);
}
static void mlme_set_pairwise_key_cb(struct l_genl_msg *msg, void *data)
{
struct netdev *netdev = data;
netdev->pairwise_set_key_cmd_id = 0;
/* TODO: De-authenticate */
if (l_genl_msg_get_error(msg) < 0)
if (l_genl_msg_get_error(msg) < 0) {
l_error("Set Key for Pairwise Key failed for ifindex: %d",
netdev->index);
setting_keys_failed(netdev, MPDU_REASON_CODE_UNSPECIFIED);
return;
}
}
static unsigned int mlme_set_pairwise_key(struct netdev *netdev)
@ -776,9 +818,12 @@ static void mlme_new_pairwise_key_cb(struct l_genl_msg *msg, void *data)
netdev->pairwise_new_key_cmd_id = 0;
/* TODO: De-authenticate */
if (l_genl_msg_get_error(msg) < 0)
if (l_genl_msg_get_error(msg) < 0) {
l_error("New Key for Pairwise Key failed for ifindex: %d",
netdev->index);
setting_keys_failed(netdev, MPDU_REASON_CODE_UNSPECIFIED);
return;
}
}
static unsigned int mlme_new_pairwise_key(struct netdev *netdev,
@ -827,7 +872,8 @@ static void wiphy_set_tk(uint32_t ifindex, const uint8_t *aa,
break;
default:
l_error("Unexpected cipher suite: %d", info.pairwise_ciphers);
/* TODO: De-authenticate */
setting_keys_failed(netdev,
MPDU_REASON_CODE_INVALID_PAIRWISE_CIPHER);
return;
}
@ -842,12 +888,9 @@ static void operstate_cb(bool result, void *user_data)
struct netdev *netdev = user_data;
if (!result) {
if (netdev->connect_pending)
dbus_pending_reply(&netdev->connect_pending,
dbus_error_failed(netdev->connect_pending));
l_error("Setting LinkMode and OperState failed for ifindex %d",
netdev->index);
setting_keys_failed(netdev, MPDU_REASON_CODE_UNSPECIFIED);
return;
}
@ -866,11 +909,8 @@ static void set_station_cb(struct l_genl_msg *msg, void *user_data)
struct netdev *netdev = user_data;
if (l_genl_msg_get_error(msg) < 0) {
if (netdev->connect_pending)
dbus_pending_reply(&netdev->connect_pending,
dbus_error_failed(netdev->connect_pending));
l_error("Authorizing station failed");
l_error("Set Station failed for ifindex %d", netdev->index);
setting_keys_failed(netdev, MPDU_REASON_CODE_UNSPECIFIED);
return;
}
@ -903,12 +943,10 @@ static void mlme_new_group_key_cb(struct l_genl_msg *msg, void *data)
netdev->group_new_key_cmd_id = 0;
/* TODO: De-authenticate */
if (l_genl_msg_get_error(msg) < 0) {
if (netdev->connect_pending)
dbus_pending_reply(&netdev->connect_pending,
dbus_error_failed(netdev->connect_pending));
l_error("New Key for Group Key failed for ifindex: %d",
netdev->index);
setting_keys_failed(netdev, MPDU_REASON_CODE_UNSPECIFIED);
return;
}
@ -966,12 +1004,15 @@ static void wiphy_set_gtk(uint32_t ifindex, uint8_t key_index,
break;
default:
l_error("Unexpected cipher suite: %d", info.group_cipher);
/* TODO: De-authenticate */
setting_keys_failed(netdev,
MPDU_REASON_CODE_INVALID_GROUP_CIPHER);
return;
}
if (crypto_cipher_key_len(cipher) != gtk_len) {
l_error("Unexpected key length: %d", gtk_len);
setting_keys_failed(netdev,
MPDU_REASON_CODE_INVALID_GROUP_CIPHER);
return;
}