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FILS: Advertize FILS capability based on driver capability

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Add changes to control interface command get_capability to advertize
FILS capability, FILS AKMs suites, and FILS Authentication algorithms
based on the driver capabilities.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
This commit is contained in:
Vidyullatha Kanchanapally 2017-06-22 19:00:15 +05:30 committed by Jouni Malinen
parent 5579c11c3e
commit fe3e0bac1f
3 changed files with 100 additions and 8 deletions
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4
src/drivers/driver.h
View file

@ -1438,6 +1438,10 @@ struct wpa_driver_capa {
#define WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192 0x00000200
#define WPA_DRIVER_CAPA_KEY_MGMT_OWE 0x00000400
#define WPA_DRIVER_CAPA_KEY_MGMT_DPP 0x00000800
#define WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA256 0x00001000
#define WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA384 0x00002000
#define WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA256 0x00004000
#define WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA384 0x00008000
/** Bitfield of supported key management suites */
unsigned int key_mgmt;

10
src/drivers/driver_nl80211_capa.c
View file

@ -1138,6 +1138,16 @@ int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv)
WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192 |
WPA_DRIVER_CAPA_KEY_MGMT_OWE |
WPA_DRIVER_CAPA_KEY_MGMT_DPP;
if (drv->capa.flags & WPA_DRIVER_FLAGS_SME)
drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA256 |
WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA384 |
WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA256 |
WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA384;
else if (drv->capa.flags & WPA_DRIVER_FLAGS_FILS_SK_OFFLOAD)
drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA256 |
WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA384;
drv->capa.auth = WPA_DRIVER_AUTH_OPEN |
WPA_DRIVER_AUTH_SHARED |
WPA_DRIVER_AUTH_LEAP;

94
wpa_supplicant/ctrl_iface.c
View file

@ -62,6 +62,29 @@ static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s,
char *val);
#ifdef CONFIG_FILS
static int wpa_is_fils_supported(struct wpa_supplicant *wpa_s)
{
return (((wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) &&
(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SUPPORT_FILS)) ||
(!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) &&
(wpa_s->drv_flags & WPA_DRIVER_FLAGS_FILS_SK_OFFLOAD)));
}
#ifdef CONFIG_FILS_SK_PFS
static int wpa_is_fils_sk_pfs_supported(struct wpa_supplicant *wpa_s)
{
return (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) &&
(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SUPPORT_FILS);
}
#endif /* CONFIG_FILS_SK_PFS */
#endif /* CONFIG_FILS */
static int set_bssid_filter(struct wpa_supplicant *wpa_s, char *val)
{
char *pos;
@ -3859,6 +3882,34 @@ static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
pos += ret;
}
#endif /* CONFIG_DPP */
#ifdef CONFIG_FILS
if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA256) {
ret = os_snprintf(pos, end - pos, " FILS-SHA256");
if (os_snprintf_error(end - pos, ret))
return pos - buf;
pos += ret;
}
if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA384) {
ret = os_snprintf(pos, end - pos, " FILS-SHA384");
if (os_snprintf_error(end - pos, ret))
return pos - buf;
pos += ret;
}
#ifdef CONFIG_IEEE80211R
if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA256) {
ret = os_snprintf(pos, end - pos, " FT-FILS-SHA256");
if (os_snprintf_error(end - pos, ret))
return pos - buf;
pos += ret;
}
if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA384) {
ret = os_snprintf(pos, end - pos, " FT-FILS-SHA384");
if (os_snprintf_error(end - pos, ret))
return pos - buf;
pos += ret;
}
#endif /* CONFIG_IEEE80211R */
#endif /* CONFIG_FILS */
return pos - buf;
}
@ -3961,6 +4012,26 @@ static int ctrl_iface_get_capability_auth_alg(struct wpa_supplicant *wpa_s,
}
#endif /* CONFIG_SAE */
#ifdef CONFIG_FILS
if (wpa_is_fils_supported(wpa_s)) {
ret = os_snprintf(pos, end - pos, "%sFILS_SK_WITHOUT_PFS",
pos == buf ? "" : " ");
if (os_snprintf_error(end - pos, ret))
return pos - buf;
pos += ret;
}
#ifdef CONFIG_FILS_SK_PFS
if (wpa_is_fils_sk_pfs_supported(wpa_s)) {
ret = os_snprintf(pos, end - pos, "%sFILS_SK_WITH_PFS",
pos == buf ? "" : " ");
if (os_snprintf_error(end - pos, ret))
return pos - buf;
pos += ret;
}
#endif /* CONFIG_FILS_SK_PFS */
#endif /* CONFIG_FILS */
return pos - buf;
}
@ -4219,16 +4290,23 @@ static int wpa_supplicant_ctrl_iface_get_capability(
#endif /* CONFIG_ACS */
#ifdef CONFIG_FILS
if (os_strcmp(field, "fils") == 0 &&
(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SUPPORT_FILS)) {
if (os_strcmp(field, "fils") == 0) {
#ifdef CONFIG_FILS_SK_PFS
res = os_snprintf(buf, buflen, "FILS FILS-SK-PFS");
#else /* CONFIG_FILS_SK_PFS */
res = os_snprintf(buf, buflen, "FILS");
if (wpa_is_fils_supported(wpa_s) &&
wpa_is_fils_sk_pfs_supported(wpa_s)) {
res = os_snprintf(buf, buflen, "FILS FILS-SK-PFS");
if (os_snprintf_error(buflen, res))
return -1;
return res;
}
#endif /* CONFIG_FILS_SK_PFS */
if (os_snprintf_error(buflen, res))
return -1;
return res;
if (wpa_is_fils_supported(wpa_s)) {
res = os_snprintf(buf, buflen, "FILS");
if (os_snprintf_error(buflen, res))
return -1;
return res;
}
}
#endif /* CONFIG_FILS */