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SAE: Allow commit fields to be overridden for testing purposes

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The new sae_commit_override=<hexdump> parameter can be used to force
hostapd to override SAE commit message fields for testing purposes. This
is included only in CONFIG_TESTING_OPTIONS=y builds.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
This commit is contained in:
Jouni Malinen 2017-09-02 01:52:15 +03:00 committed by Jouni Malinen
parent 1342c47a33
commit 3648d8a185
4 changed files with 14 additions and 0 deletions
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3
hostapd/config_file.c
View file

@ -3563,6 +3563,9 @@ static int hostapd_config_fill(struct hostapd_config *conf,
bss->own_ie_override = tmp;
} else if (os_strcmp(buf, "sae_reflection_attack") == 0) {
bss->sae_reflection_attack = atoi(pos);
} else if (os_strcmp(buf, "sae_commit_override") == 0) {
wpabuf_free(bss->sae_commit_override);
bss->sae_commit_override = wpabuf_parse_bin(pos);
#endif /* CONFIG_TESTING_OPTIONS */
} else if (os_strcmp(buf, "vendor_elements") == 0) {
if (parse_wpabuf_hex(line, buf, &bss->vendor_elements, pos))

1
src/ap/ap_config.c
View file

@ -617,6 +617,7 @@ void hostapd_config_free_bss(struct hostapd_bss_config *conf)
#ifdef CONFIG_TESTING_OPTIONS
wpabuf_free(conf->own_ie_override);
wpabuf_free(conf->sae_commit_override);
#endif /* CONFIG_TESTING_OPTIONS */
os_free(conf->no_probe_resp_if_seen_on);

1
src/ap/ap_config.h
View file

@ -589,6 +589,7 @@ struct hostapd_bss_config {
u8 bss_load_test_set;
struct wpabuf *own_ie_override;
int sae_reflection_attack;
struct wpabuf *sae_commit_override;
#endif /* CONFIG_TESTING_OPTIONS */
#define MESH_ENABLED BIT(0)

9
src/ap/ieee802_11.c
View file

@ -797,6 +797,15 @@ static void handle_auth_sae(struct hostapd_data *hapd, struct sta_info *sta,
auth_transaction, resp, pos, end - pos);
goto remove_sta;
}
if (hapd->conf->sae_commit_override && auth_transaction == 1) {
wpa_printf(MSG_DEBUG, "SAE: TESTING - commit override");
send_auth_reply(hapd, mgmt->sa, mgmt->bssid, WLAN_AUTH_SAE,
auth_transaction, resp,
wpabuf_head(hapd->conf->sae_commit_override),
wpabuf_len(hapd->conf->sae_commit_override));
goto remove_sta;
}
#endif /* CONFIG_TESTING_OPTIONS */
if (!sta->sae) {
if (auth_transaction != 1 ||