From b6b4226bdde93cec4b5463f42d4ec5b5fc509610 Mon Sep 17 00:00:00 2001 From: Jouni Malinen Date: Sun, 19 Nov 2017 00:11:44 +0200 Subject: [PATCH] DPP: Protocol testing capability to generate invalid Protocol Key This extends dpp_test to allow invalid Initiator/Responder Protocol Key to be written into the Authentication Request/Response frame. Signed-off-by: Jouni Malinen --- src/common/dpp.c | 15 +++++++++++++++ src/common/dpp.h | 2 ++ 2 files changed, 17 insertions(+) diff --git a/src/common/dpp.c b/src/common/dpp.c index cc8f31720..8ca91d4a3 100644 --- a/src/common/dpp.c +++ b/src/common/dpp.c @@ -30,6 +30,9 @@ #ifdef CONFIG_TESTING_OPTIONS enum dpp_test_behavior dpp_test = DPP_TEST_DISABLED; + +static int dpp_test_gen_invalid_key(struct wpabuf *msg, + const struct dpp_curve_params *curve); #endif /* CONFIG_TESTING_OPTIONS */ #if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(OPENSSL_IS_BORINGSSL) @@ -2028,6 +2031,12 @@ struct dpp_authentication * dpp_auth_init(void *msg_ctx, wpa_printf(MSG_INFO, "DPP: TESTING - no I-Proto Key"); wpabuf_free(pi); pi = NULL; + } else if (dpp_test == DPP_TEST_INVALID_I_PROTO_KEY_AUTH_REQ) { + wpa_printf(MSG_INFO, "DPP: TESTING - invalid I-Proto Key"); + wpabuf_free(pi); + pi = wpabuf_alloc(2 * auth->curve->prime_len); + if (!pi || dpp_test_gen_invalid_key(pi, auth->curve) < 0) + goto fail; } #endif /* CONFIG_TESTING_OPTIONS */ @@ -2551,6 +2560,12 @@ static int dpp_auth_build_resp_ok(struct dpp_authentication *auth) wpa_printf(MSG_INFO, "DPP: TESTING - no R-Proto Key"); wpabuf_free(pr); pr = NULL; + } else if (dpp_test == DPP_TEST_INVALID_R_PROTO_KEY_AUTH_RESP) { + wpa_printf(MSG_INFO, "DPP: TESTING - invalid R-Proto Key"); + wpabuf_free(pr); + pr = wpabuf_alloc(2 * auth->curve->prime_len); + if (!pr || dpp_test_gen_invalid_key(pr, auth->curve) < 0) + goto fail; } else if (dpp_test == DPP_TEST_NO_R_AUTH_AUTH_RESP) { wpa_printf(MSG_INFO, "DPP: TESTING - no R-Auth"); w_r_auth = NULL; diff --git a/src/common/dpp.h b/src/common/dpp.h index c288a5021..5cb9fce90 100644 --- a/src/common/dpp.h +++ b/src/common/dpp.h @@ -293,6 +293,8 @@ enum dpp_test_behavior { DPP_TEST_NO_STATUS_PEER_DISC_RESP = 63, DPP_TEST_NO_CONNECTOR_PEER_DISC_RESP = 64, DPP_TEST_AUTH_RESP_IN_PLACE_OF_CONF = 65, + DPP_TEST_INVALID_I_PROTO_KEY_AUTH_REQ = 66, + DPP_TEST_INVALID_R_PROTO_KEY_AUTH_RESP = 67, }; extern enum dpp_test_behavior dpp_test;