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netdev: factor out scan_bss from CMD_CONNECT builder

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In order to support OWE in the CMD_CONNECT path the scan_bss parameter
needs to be removed since this is lost after netdev_connect returns.
Nearly everything needed is also stored in the handshake except the
privacy capability which is now being mirrored in the netdev object
itself.
This commit is contained in:
James Prestwood 2021-09-03 12:35:42 -07:00 committed by Denis Kenzior
parent 3975e4eb6d
commit db2f14225d
1 changed files with 12 additions and 11 deletions
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23
src/netdev.c
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@ -181,6 +181,7 @@ struct netdev {
bool events_ready : 1;
bool retry_auth : 1;
bool in_reassoc : 1;
bool privacy : 1;
};
struct netdev_preauth_state {
@ -788,6 +789,7 @@ static void netdev_connect_free(struct netdev *netdev)
netdev->ignore_connect_event = false;
netdev->expect_connect_failure = false;
netdev->cur_rssi_low = false;
netdev->privacy = false;
if (netdev->connect_cmd) {
l_genl_msg_unref(netdev->connect_cmd);
@ -2901,7 +2903,6 @@ static void netdev_fils_tx_associate(struct iovec *fils_iov, size_t n_fils_iov,
}
static struct l_genl_msg *netdev_build_cmd_connect(struct netdev *netdev,
struct scan_bss *bss,
struct handshake_state *hs,
const uint8_t *prev_bssid,
const struct iovec *vendor_ies,
@ -2924,10 +2925,9 @@ static struct l_genl_msg *netdev_build_cmd_connect(struct netdev *netdev,
msg = l_genl_msg_new_sized(NL80211_CMD_CONNECT, 512);
l_genl_msg_append_attr(msg, NL80211_ATTR_IFINDEX, 4, &netdev->index);
l_genl_msg_append_attr(msg, NL80211_ATTR_WIPHY_FREQ,
4, &bss->frequency);
l_genl_msg_append_attr(msg, NL80211_ATTR_MAC, ETH_ALEN, bss->addr);
l_genl_msg_append_attr(msg, NL80211_ATTR_SSID,
bss->ssid_len, bss->ssid);
4, &netdev->frequency);
l_genl_msg_append_attr(msg, NL80211_ATTR_MAC, ETH_ALEN, hs->aa);
l_genl_msg_append_attr(msg, NL80211_ATTR_SSID, hs->ssid_len, hs->ssid);
l_genl_msg_append_attr(msg, NL80211_ATTR_AUTH_TYPE, 4, &auth_type);
switch (nhs->type) {
@ -2950,7 +2950,7 @@ static struct l_genl_msg *netdev_build_cmd_connect(struct netdev *netdev,
l_genl_msg_append_attr(msg, NL80211_ATTR_PREV_BSSID, ETH_ALEN,
prev_bssid);
if (bss->capability & IE_BSS_CAP_PRIVACY)
if (netdev->privacy)
l_genl_msg_append_attr(msg, NL80211_ATTR_PRIVACY, 0, NULL);
l_genl_msg_append_attr(msg, NL80211_ATTR_SOCKET_OWNER, 0, NULL);
@ -3476,6 +3476,10 @@ static void netdev_connect_common(struct netdev *netdev,
bool is_rsn = hs->supplicant_ie != NULL;
const uint8_t *prev_bssid = prev_bss ? prev_bss->addr : NULL;
netdev->frequency = bss->frequency;
netdev->privacy = bss->capability & IE_BSS_CAP_PRIVACY;
handshake_state_set_authenticator_address(hs, bss->addr);
if (!is_rsn)
goto build_cmd_connect;
@ -3519,8 +3523,8 @@ static void netdev_connect_common(struct netdev *netdev,
break;
default:
build_cmd_connect:
cmd_connect = netdev_build_cmd_connect(netdev, bss, hs,
prev_bssid, vendor_ies, num_vendor_ies);
cmd_connect = netdev_build_cmd_connect(netdev, hs, prev_bssid,
vendor_ies, num_vendor_ies);
if (!is_offload(hs) && (is_rsn || hs->settings_8021x)) {
sm = eapol_sm_new(hs);
@ -3536,13 +3540,10 @@ build_cmd_connect:
netdev->user_data = user_data;
netdev->handshake = hs;
netdev->sm = sm;
netdev->frequency = bss->frequency;
netdev->cur_rssi = bss->signal_strength / 100;
netdev_rssi_level_init(netdev);
netdev_cqm_rssi_update(netdev);
handshake_state_set_authenticator_address(hs, bss->addr);
if (!wiphy_has_ext_feature(netdev->wiphy,
NL80211_EXT_FEATURE_CAN_REPLACE_PTK0))
handshake_state_set_no_rekey(hs, true);