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DPP2: Reconfiguration support in Controller

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Add handling of Reconfiguration messages in Controller.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
This commit is contained in:
Jouni Malinen 2020-05-11 16:04:46 +03:00 committed by Jouni Malinen
parent 6dcb8aaf13
commit 7f20a3ebda
2 changed files with 43 additions and 4 deletions
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2
src/common/dpp_reconfig.c
View file

@ -188,7 +188,7 @@ dpp_reconfig_init(struct dpp_global *dpp, void *msg_ctx,
auth->configurator = 1;
auth->curve = conf->curve;
auth->transaction_id = 1;
if (dpp_prepare_channel_list(auth, freq, NULL, 0) < 0)
if (freq && dpp_prepare_channel_list(auth, freq, NULL, 0) < 0)
goto fail;
if (dpp_configurator_build_own_connector(conf) < 0)

43
src/common/dpp_tcp.c
View file

@ -824,6 +824,7 @@ static int dpp_controller_rx_reconfig_announcement(struct dpp_connection *conn,
u16 csign_hash_len;
struct dpp_configurator *conf;
struct dpp_global *dpp = conn->ctrl->global;
struct dpp_authentication *auth;
if (conn->auth) {
wpa_printf(MSG_DEBUG,
@ -849,8 +850,42 @@ static int dpp_controller_rx_reconfig_announcement(struct dpp_connection *conn,
return -1;
}
/* TODO: Initiate Reconfig Authentication */
auth = dpp_reconfig_init(dpp, dpp->msg_ctx, conf, 0);
if (!auth)
return -1;
if (dpp_set_configurator(auth, conn->ctrl->configurator_params) < 0) {
dpp_auth_deinit(auth);
return -1;
}
conn->auth = auth;
return dpp_tcp_send_msg(conn, auth->reconfig_req_msg);
}
static int dpp_controller_rx_reconfig_auth_resp(struct dpp_connection *conn,
const u8 *hdr, const u8 *buf,
size_t len)
{
struct dpp_authentication *auth = conn->auth;
struct wpabuf *conf;
int res;
wpa_printf(MSG_DEBUG, "DPP: Reconfig Authentication Response");
if (!auth || !auth->reconfig || !auth->configurator) {
wpa_printf(MSG_DEBUG,
"DPP: No DPP Reconfig Authentication in progress - drop");
return -1;
}
conf = dpp_reconfig_auth_resp_rx(auth, hdr, buf, len);
if (!conf)
return -1;
res = dpp_tcp_send_msg(conn, conf);
wpabuf_free(conf);
return res;
}
@ -910,6 +945,9 @@ static int dpp_controller_rx_action(struct dpp_connection *conn, const u8 *msg,
case DPP_PA_RECONFIG_ANNOUNCEMENT:
return dpp_controller_rx_reconfig_announcement(conn, msg, pos,
end - pos);
case DPP_PA_RECONFIG_AUTH_RESP:
return dpp_controller_rx_reconfig_auth_resp(conn, msg, pos,
end - pos);
default:
/* TODO: missing messages types */
wpa_printf(MSG_DEBUG,
@ -935,7 +973,8 @@ static int dpp_controller_rx_gas_req(struct dpp_connection *conn, const u8 *msg,
wpa_printf(MSG_DEBUG,
"DPP: Received DPP Configuration Request over TCP");
if (!conn->ctrl || !auth || !auth->auth_success) {
if (!conn->ctrl || !auth ||
(!auth->auth_success && !auth->reconfig_success)) {
wpa_printf(MSG_DEBUG, "DPP: No matching exchange in progress");
return -1;
}