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netdev: Always require handshake_state with netdev_connect

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This commit is contained in:
Andrew Zaborowski 2016-12-12 18:34:19 +01:00 committed by Denis Kenzior
parent d93a44a3f0
commit 9c6643b773
2 changed files with 17 additions and 21 deletions
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12
src/device.c
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@ -677,10 +677,12 @@ void device_connect_network(struct device *device, struct network *network,
enum security security = network_get_security(network);
struct wiphy *wiphy = device->wiphy;
struct l_dbus *dbus = dbus_get_bus();
struct handshake_state *hs = NULL;
struct handshake_state *hs;
bool add_mde = false;
uint8_t *mde;
hs = handshake_state_new(netdev_get_ifindex(device->netdev));
if (security == SECURITY_PSK || security == SECURITY_8021X) {
struct ie_rsn_info bss_info;
uint8_t rsne_buf[256];
@ -718,8 +720,6 @@ void device_connect_network(struct device *device, struct network *network,
} else if (info.group_management_cipher != 0)
info.mfpc = true;
hs = handshake_state_new(netdev_get_ifindex(device->netdev));
ssid = network_get_ssid(network);
handshake_state_set_ssid(hs, (void *) ssid, strlen(ssid));
@ -758,8 +758,7 @@ void device_connect_network(struct device *device, struct network *network,
mde[1] = 3;
memcpy(mde + 2, bss->mde, 3);
if (hs)
handshake_state_set_mde(hs, mde);
handshake_state_set_mde(hs, mde);
} else
mde = NULL;
@ -768,8 +767,7 @@ void device_connect_network(struct device *device, struct network *network,
if (netdev_connect(device->netdev, bss, hs, mde,
device_netdev_event,
device_connect_cb, device) < 0) {
if (hs)
handshake_state_free(hs);
handshake_state_free(hs);
l_free(mde);

26
src/netdev.c
View File

@ -1067,6 +1067,7 @@ static void netdev_connect_event(struct l_genl_msg *msg,
const uint16_t *status_code = NULL;
const uint8_t *ies = NULL;
size_t ies_len;
bool is_rsn = netdev->handshake->own_ie != NULL;
l_debug("");
@ -1139,10 +1140,10 @@ static void netdev_connect_event(struct l_genl_msg *msg,
* in a non-RSN (12.4.2 vs. 12.4.3).
*/
if (netdev->mde && !netdev->handshake && fte)
if (netdev->mde && !is_rsn && fte)
goto error;
if (netdev->mde && netdev->handshake) {
if (netdev->mde && is_rsn) {
struct ie_ft_info ft_info;
uint8_t zeros[32];
@ -1275,6 +1276,7 @@ static struct l_genl_msg *netdev_build_cmd_connect(struct netdev *netdev,
struct l_genl_msg *msg;
struct iovec iov[2];
int iov_elems = 0;
bool is_rsn = hs->own_ie != NULL;
msg = l_genl_msg_new_sized(NL80211_CMD_CONNECT, 512);
l_genl_msg_append_attr(msg, NL80211_ATTR_IFINDEX, 4, &netdev->index);
@ -1288,7 +1290,7 @@ static struct l_genl_msg *netdev_build_cmd_connect(struct netdev *netdev,
if (bss->capability & IE_BSS_CAP_PRIVACY)
l_genl_msg_append_attr(msg, NL80211_ATTR_PRIVACY, 0, NULL);
if (hs) {
if (is_rsn) {
uint32_t nl_cipher;
uint32_t nl_akm;
uint32_t wpa_version;
@ -1330,11 +1332,9 @@ static struct l_genl_msg *netdev_build_cmd_connect(struct netdev *netdev,
l_genl_msg_append_attr(msg, NL80211_ATTR_CONTROL_PORT, 0, NULL);
if (hs->own_ie) {
iov[iov_elems].iov_base = (void *) hs->own_ie;
iov[iov_elems].iov_len = hs->own_ie[1] + 2;
iov_elems += 1;
}
iov[iov_elems].iov_base = (void *) hs->own_ie;
iov[iov_elems].iov_len = hs->own_ie[1] + 2;
iov_elems += 1;
}
if (mde) {
@ -1377,10 +1377,8 @@ static int netdev_connect_common(struct netdev *netdev,
if (mde)
netdev->mde = l_memdup(mde, mde[1] + 2);
if (hs) {
handshake_state_set_authenticator_address(hs, bss->addr);
handshake_state_set_supplicant_address(hs, netdev->addr);
}
handshake_state_set_authenticator_address(hs, bss->addr);
handshake_state_set_supplicant_address(hs, netdev->addr);
return 0;
@ -1393,7 +1391,7 @@ int netdev_connect(struct netdev *netdev, struct scan_bss *bss,
{
struct l_genl_msg *cmd_connect;
struct eapol_sm *sm = NULL;
bool is_rsn = hs != NULL;
bool is_rsn = hs->own_ie != NULL;
if (netdev->connected)
return -EISCONN;
@ -1427,7 +1425,7 @@ int netdev_connect_wsc(struct netdev *netdev, struct scan_bss *bss,
if (netdev->connected)
return -EISCONN;
cmd_connect = netdev_build_cmd_connect(netdev, bss, NULL, NULL);
cmd_connect = netdev_build_cmd_connect(netdev, bss, hs, NULL);
if (!cmd_connect)
return -EINVAL;