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wiphy: Basic WPA support

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Legacy WPA will be used with APs that advertise WPA support and
no WPA2 (RSN).  TKIP is not yet supported though, so only CCMP
will work.
This commit is contained in:
Andrew Zaborowski 2015-05-06 01:48:36 +02:00 committed by Denis Kenzior
parent a7846aee85
commit 1d0afbc44c
1 changed files with 27 additions and 5 deletions
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32
src/wiphy.c
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@ -955,7 +955,11 @@ static void wiphy_set_tk(uint32_t ifindex, const uint8_t *aa,
l_debug("");
ie_parse_rsne_from_data(rsn, rsn[1] + 2, &info);
/* If we have the RSN element we must be in WPA2 mode */
if (netdev->connected_bss->rsne)
ie_parse_rsne_from_data(rsn, rsn[1] + 2, &info);
else
ie_parse_wpa_from_data(rsn, rsn[1] + 2, &info);
switch (info.pairwise_ciphers) {
case IE_RSN_CIPHER_SUITE_CCMP:
@ -1099,7 +1103,11 @@ static void wiphy_set_gtk(uint32_t ifindex, uint8_t key_index,
l_debug("");
ie_parse_rsne_from_data(rsn, rsn[1] + 2, &info);
/* If we have the RSN element we must be in WPA2 mode */
if (netdev->connected_bss->rsne)
ie_parse_rsne_from_data(rsn, rsn[1] + 2, &info);
else
ie_parse_wpa_from_data(rsn, rsn[1] + 2, &info);
switch (info.group_cipher) {
case IE_RSN_CIPHER_SUITE_CCMP:
@ -1183,13 +1191,23 @@ static void mlme_associate_cmd(struct netdev *netdev)
info.pairwise_ciphers = IE_RSN_CIPHER_SUITE_CCMP;
info.akm_suites = IE_RSN_AKM_SUITE_PSK;
ie_build_rsne(&info, rsne_buf);
/* RSN takes priority */
if (bss->rsne) {
ie_build_rsne(&info, rsne_buf);
} else {
ie_build_wpa(&info, rsne_buf);
}
eapol_sm_set_pmk(sm, network->psk);
eapol_sm_set_authenticator_address(sm, bss->addr);
eapol_sm_set_supplicant_address(sm, netdev->addr);
eapol_sm_set_ap_rsn(sm, bss->rsne, bss->rsne[1] + 2);
eapol_sm_set_own_rsn(sm, rsne_buf, rsne_buf[1] + 2);
if (bss->rsne) {
eapol_sm_set_ap_rsn(sm, bss->rsne, bss->rsne[1] + 2);
eapol_sm_set_own_rsn(sm, rsne_buf, rsne_buf[1] + 2);
} else {
eapol_sm_set_ap_wpa(sm, bss->wpa, bss->wpa[1] + 2);
eapol_sm_set_own_wpa(sm, rsne_buf, rsne_buf[1] + 2);
}
eapol_sm_set_user_data(sm, netdev);
eapol_start(netdev->index, sm);
@ -1390,6 +1408,10 @@ static void get_scan_callback(struct l_genl_msg *msg, void *user_data)
goto fail;
}
/*
* If both an RSN and a WPA elements are present currently
* RSN takes priority and the WPA IE is ignored.
*/
if (bss->rsne) {
struct ie_rsn_info rsne;
int res = ie_parse_rsne_from_data(bss->rsne, bss->rsne[1] + 2,