pppd: add experimental support for PEAP protocol, an extension of EAP

[ppp.git] / pppd / peap.h

diff --git a/pppd/peap.h b/pppd/peap.h
new file mode 100644 (file)
index 0000000..fd002d2
--- /dev/null
+++ b/pppd/peap.h
@@ -0,0 +1,66 @@
+/*
+ *      Copyright (c) 2011
+ *
+ * Authors:
+ *
+ *     Rustam Kovhaev <rkovhaev@gmail.com>
+ */
+
+#ifndef PPP_PEAP_H
+#define        PPP_PEAP_H
+
+#define        EAPT_MSCHAPV2                   26
+
+#define        PEAP_PHASE_1                    1
+#define        PEAP_PHASE_2                    2
+
+#define        PEAP_HEADERLEN                  6
+#define        PEAP_FRAGMENT_LENGTH_FIELD      4
+#define        PEAP_FLAGS_FIELD                1
+#define        PEAP_FLAGS_ACK                  0
+
+#define PEAP_CAPABILITIES_TYPE         254
+#define PEAP_CAPABILITIES_LEN          12
+
+#define        SHA_HASH_LEN                    20
+
+#define PEAP_TLV_TYPE                  12
+#define PEAP_TLV_LENGTH_FIELD          56
+#define PEAP_TLV_SUBTYPE_REQUEST       0
+#define PEAP_TLV_SUBTYPE_RESPONSE      1
+#define PEAP_TLV_HEADERLEN             8
+#define PEAP_TLV_RESULT_LEN            7
+#define PEAP_TLV_LEN                   71
+
+/*
+ * Microsoft PEAP client/server never exchange
+ * outer TLVs during PEAP authentication
+ */
+#define        PEAP_TLV_DATA_LEN               61
+
+#define        PEAP_TLV_TK_LEN                 60
+#define        PEAP_TLV_ISK_LEN                32
+#define        PEAP_TLV_IPMKSEED_LEN           59
+#define        PEAP_TLV_TEMPKEY_LEN            40
+#define        PEAP_TLV_IPMK_LEN               40
+#define        PEAP_TLV_CMK_LEN                20
+#define        PEAP_TLV_NONCE_LEN              32
+#define        PEAP_TLV_COMP_MAC_LEN           20
+#define        PEAP_TLV_CSK_LEN                128
+#define        PEAP_TLV_TK_SEED_LABEL          "client EAP encryption"
+#define        PEAP_TLV_IPMK_SEED_LABEL        "Inner Methods Compound Keys"
+#define        PEAP_TLV_CSK_SEED_LABEL         "Session Key Generating Function"
+
+#define        PEAP_S_FLAG_SET                 0x20
+#define        PEAP_L_FLAG_SET                 0x80
+#define        PEAP_LM_FLAG_SET                0xC0
+#define        PEAP_M_FLAG_SET                 0x40
+#define        PEAP_NO_FLAGS                   0x00
+
+#define        EAP_TLS_KEY_LEN                 0x40
+#define        TLS_RECORD_MAX_SIZE             0x4000
+
+void peap_process(eap_state *esp, u_char id, u_char *inp,
+               int len, char *rhostname);
+
+#endif /* PPP_PEAP_H */