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DPP: Omission of Auth Conf attributes for protocol testing

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This extends the dpp_test mechanism to allow each of the required
attributes in Authentication Confirm to be omitted.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
This commit is contained in:
Jouni Malinen 2017-10-23 13:34:30 +03:00 committed by Jouni Malinen
parent a0e3e22263
commit f9c7d77029
2 changed files with 44 additions and 2 deletions
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41
src/common/dpp.c
View file

@ -2574,16 +2574,33 @@ static struct wpabuf * dpp_auth_build_conf(struct dpp_authentication *auth)
attr_start = wpabuf_put(msg, 0);
#ifdef CONFIG_TESTING_OPTIONS
if (dpp_test == DPP_TEST_NO_STATUS_AUTH_CONF)
goto skip_status;
#endif /* CONFIG_TESTING_OPTIONS */
/* DPP Status */
wpabuf_put_le16(msg, DPP_ATTR_STATUS);
wpabuf_put_le16(msg, 1);
wpabuf_put_u8(msg, DPP_STATUS_OK);
#ifdef CONFIG_TESTING_OPTIONS
skip_status:
if (dpp_test == DPP_TEST_NO_R_BOOTSTRAP_KEY_HASH_AUTH_CONF)
goto skip_r_bootstrap_key;
#endif /* CONFIG_TESTING_OPTIONS */
/* Responder Bootstrapping Key Hash */
wpabuf_put_le16(msg, DPP_ATTR_R_BOOTSTRAP_KEY_HASH);
wpabuf_put_le16(msg, SHA256_MAC_LEN);
wpabuf_put_data(msg, auth->peer_bi->pubkey_hash, SHA256_MAC_LEN);
#ifdef CONFIG_TESTING_OPTIONS
skip_r_bootstrap_key:
if (dpp_test == DPP_TEST_NO_I_BOOTSTRAP_KEY_HASH_AUTH_CONF)
goto skip_i_bootstrap_key;
#endif /* CONFIG_TESTING_OPTIONS */
if (auth->own_bi) {
/* Mutual authentication */
/* Initiator Bootstrapping Key Hash */
@ -2592,6 +2609,14 @@ static struct wpabuf * dpp_auth_build_conf(struct dpp_authentication *auth)
wpabuf_put_data(msg, auth->own_bi->pubkey_hash, SHA256_MAC_LEN);
}
#ifdef CONFIG_TESTING_OPTIONS
skip_i_bootstrap_key:
if (dpp_test == DPP_TEST_NO_WRAPPED_DATA_AUTH_CONF)
goto skip_wrapped_data;
if (dpp_test == DPP_TEST_NO_I_AUTH_AUTH_CONF)
i_auth_len = 0;
#endif /* CONFIG_TESTING_OPTIONS */
attr_end = wpabuf_put(msg, 0);
/* OUI, OUI type, Crypto Suite, DPP frame type */
@ -2607,11 +2632,22 @@ static struct wpabuf * dpp_auth_build_conf(struct dpp_authentication *auth)
wpabuf_put_le16(msg, DPP_ATTR_WRAPPED_DATA);
wpabuf_put_le16(msg, i_auth_len + AES_BLOCK_SIZE);
wrapped_i_auth = wpabuf_put(msg, i_auth_len + AES_BLOCK_SIZE);
#ifdef CONFIG_TESTING_OPTIONS
if (dpp_test == DPP_TEST_NO_I_AUTH_AUTH_CONF)
goto skip_i_auth;
#endif /* CONFIG_TESTING_OPTIONS */
/* I-auth = H(R-nonce | I-nonce | PR.x | PI.x | BR.x | [BI.x |] 1) */
WPA_PUT_LE16(i_auth, DPP_ATTR_I_AUTH_TAG);
WPA_PUT_LE16(&i_auth[2], auth->curve->hash_len);
if (dpp_gen_i_auth(auth, i_auth + 4) < 0 ||
aes_siv_encrypt(auth->ke, auth->curve->hash_len,
if (dpp_gen_i_auth(auth, i_auth + 4) < 0)
goto fail;
#ifdef CONFIG_TESTING_OPTIONS
skip_i_auth:
#endif /* CONFIG_TESTING_OPTIONS */
if (aes_siv_encrypt(auth->ke, auth->curve->hash_len,
i_auth, i_auth_len,
2, addr, len, wrapped_i_auth) < 0)
goto fail;
@ -2624,6 +2660,7 @@ static struct wpabuf * dpp_auth_build_conf(struct dpp_authentication *auth)
wpabuf_put_le16(msg, DPP_ATTR_TESTING);
wpabuf_put_le16(msg, 0);
}
skip_wrapped_data:
#endif /* CONFIG_TESTING_OPTIONS */
wpa_hexdump_buf(MSG_DEBUG,

5
src/common/dpp.h
View file

@ -231,6 +231,11 @@ enum dpp_test_behavior {
DPP_TEST_NO_R_CAPAB_AUTH_RESP = 22,
DPP_TEST_NO_R_AUTH_AUTH_RESP = 23,
DPP_TEST_NO_WRAPPED_DATA_AUTH_RESP = 24,
DPP_TEST_NO_STATUS_AUTH_CONF = 25,
DPP_TEST_NO_R_BOOTSTRAP_KEY_HASH_AUTH_CONF = 26,
DPP_TEST_NO_I_BOOTSTRAP_KEY_HASH_AUTH_CONF = 27,
DPP_TEST_NO_I_AUTH_AUTH_CONF = 28,
DPP_TEST_NO_WRAPPED_DATA_AUTH_CONF = 29,
};
extern enum dpp_test_behavior dpp_test;