Stripped down import of wpa_supplicant v0.3.8

1 files changed, 101 insertions, 0 deletions

diff --git a/contrib/wpa_supplicant/eap_sim_common.h b/contrib/wpa_supplicant/eap_sim_common.h
new file mode 100644
index 0000000..c89e04e
--- /dev/null
+++ b/contrib/wpa_supplicant/eap_sim_common.h
@@ -0,0 +1,101 @@
+#ifndef EAP_SIM_COMMON_H
+#define EAP_SIM_COMMON_H
+
+#define EAP_SIM_NONCE_S_LEN 16
+#define EAP_SIM_NONCE_MT_LEN 16
+#define EAP_SIM_MAC_LEN 16
+#define EAP_SIM_MK_LEN 20
+#define EAP_SIM_K_AUT_LEN 16
+#define EAP_SIM_K_ENCR_LEN 16
+#define EAP_SIM_KEYING_DATA_LEN 64
+#define EAP_SIM_IV_LEN 16
+
+#define GSM_RAND_LEN 16
+
+#define AKA_RAND_LEN 16
+#define AKA_AUTN_LEN 16
+
+void eap_sim_derive_keys(const u8 *mk, u8 *k_encr, u8 *k_aut, u8 *msk);
+void eap_sim_derive_keys_reauth(unsigned int _counter,
+				const u8 *identity, size_t identity_len,
+				const u8 *nonce_s, const u8 *mk, u8 *msk);
+int eap_sim_verify_mac(const u8 *k_aut, u8 *req, size_t req_len, u8 *mac,
+		       u8 *extra, size_t extra_len);
+void eap_sim_add_mac(const u8 *k_aut, u8 *msg, size_t msg_len, u8 *mac,
+		     const u8 *extra, size_t extra_len);
+
+
+/* EAP-SIM/AKA Attributes (0..127 non-skippable) */
+#define EAP_SIM_AT_RAND 1
+#define EAP_SIM_AT_AUTN 2 /* only AKA */
+#define EAP_SIM_AT_RES 3 /* only AKA, only send */
+#define EAP_SIM_AT_AUTS 4 /* only AKA, only send */
+#define EAP_SIM_AT_PADDING 6 /* only encrypted */
+#define EAP_SIM_AT_NONCE_MT 7 /* only SIM, only send */
+#define EAP_SIM_AT_PERMANENT_ID_REQ 10
+#define EAP_SIM_AT_MAC 11
+#define EAP_SIM_AT_NOTIFICATION 12
+#define EAP_SIM_AT_ANY_ID_REQ 13
+#define EAP_SIM_AT_IDENTITY 14 /* only send */
+#define EAP_SIM_AT_VERSION_LIST 15 /* only SIM */
+#define EAP_SIM_AT_SELECTED_VERSION 16 /* only SIM */
+#define EAP_SIM_AT_FULLAUTH_ID_REQ 17
+#define EAP_SIM_AT_COUNTER 19 /* only encrypted */
+#define EAP_SIM_AT_COUNTER_TOO_SMALL 20 /* only encrypted */
+#define EAP_SIM_AT_NONCE_S 21 /* only encrypted */
+#define EAP_SIM_AT_CLIENT_ERROR_CODE 22 /* only send */
+#define EAP_SIM_AT_IV 129
+#define EAP_SIM_AT_ENCR_DATA 130
+#define EAP_SIM_AT_NEXT_PSEUDONYM 132 /* only encrypted */
+#define EAP_SIM_AT_NEXT_REAUTH_ID 133 /* only encrypted */
+#define EAP_SIM_AT_CHECKCODE 134 /* only AKA */
+#define EAP_SIM_AT_RESULT_IND 135
+
+/* AT_NOTIFICATION notification code values */
+#define EAP_SIM_GENERAL_FAILURE_AFTER_AUTH 0
+#define EAP_SIM_TEMPORARILY_DENIED 1026
+#define EAP_SIM_NOT_SUBSCRIBED 1031
+#define EAP_SIM_GENERAL_FAILURE_BEFORE_AUTH 16384
+#define EAP_SIM_SUCCESS 32768
+
+
+enum eap_sim_id_req {
+	NO_ID_REQ, ANY_ID, FULLAUTH_ID, PERMANENT_ID
+};
+
+
+struct eap_sim_attrs {
+	u8 *rand, *autn, *mac, *iv, *encr_data, *version_list, *nonce_s;
+	u8 *next_pseudonym, *next_reauth_id;
+	u8 *nonce_mt, *identity;
+	size_t num_chal, version_list_len, encr_data_len;
+	size_t next_pseudonym_len, next_reauth_id_len, identity_len;
+	enum eap_sim_id_req id_req;
+	int notification, counter, selected_version, client_error_code;
+};
+
+int eap_sim_parse_attr(u8 *start, u8 *end, struct eap_sim_attrs *attr,
+		       int aka, int encr);
+int eap_sim_parse_encr(const u8 *k_encr, u8 *encr_data, size_t encr_data_len,
+		       const u8 *iv, struct eap_sim_attrs *attr, int aka);
+
+
+struct eap_sim_msg;
+
+struct eap_sim_msg * eap_sim_msg_init(int code, int id, int type, int subtype);
+u8 * eap_sim_msg_finish(struct eap_sim_msg *msg, size_t *len, const u8 *k_aut,
+			const u8 *extra, size_t extra_len);
+void eap_sim_msg_free(struct eap_sim_msg *msg);
+u8 * eap_sim_msg_add_full(struct eap_sim_msg *msg, u8 attr,
+			  const u8 *data, size_t len);
+u8 * eap_sim_msg_add(struct eap_sim_msg *msg, u8 attr,
+		     u16 value, const u8 *data, size_t len);
+u8 * eap_sim_msg_add_mac(struct eap_sim_msg *msg, u8 attr);
+int eap_sim_msg_add_encr_start(struct eap_sim_msg *msg, u8 attr_iv,
+			       u8 attr_encr);
+int eap_sim_msg_add_encr_end(struct eap_sim_msg *msg, u8 *k_encr,
+			     int attr_pad);
+
+void eap_sim_report_notification(void *msg_ctx, int notification, int aka);
+
+#endif /* EAP_SIM_COMMON_H */