71 lines
2.2 KiB
C
71 lines
2.2 KiB
C
/*
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* WPA Supplicant / EAP-TLS/PEAP/TTLS/FAST common functions
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* Copyright (c) 2004-2005, Jouni Malinen <jkmaline@cc.hut.fi>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* Alternatively, this software may be distributed under the terms of BSD
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* license.
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*
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* See README and COPYING for more details.
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*/
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#ifndef EAP_TLS_COMMON_H
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#define EAP_TLS_COMMON_H
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struct eap_ssl_data {
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struct tls_connection *conn;
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u8 *tls_out;
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size_t tls_out_len;
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size_t tls_out_pos;
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size_t tls_out_limit;
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u8 *tls_in;
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size_t tls_in_len;
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size_t tls_in_left;
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size_t tls_in_total;
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int phase2;
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int include_tls_length; /* include TLS length field even if the TLS
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* data is not fragmented */
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struct eap_sm *eap;
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};
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/* EAP TLS Flags */
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#define EAP_TLS_FLAGS_LENGTH_INCLUDED 0x80
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#define EAP_TLS_FLAGS_MORE_FRAGMENTS 0x40
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#define EAP_TLS_FLAGS_START 0x20
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#define EAP_PEAP_VERSION_MASK 0x07
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/* could be up to 128 bytes, but only the first 64 bytes are used */
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#define EAP_TLS_KEY_LEN 64
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int eap_tls_ssl_init(struct eap_sm *sm, struct eap_ssl_data *data,
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struct wpa_ssid *config);
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void eap_tls_ssl_deinit(struct eap_sm *sm, struct eap_ssl_data *data);
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u8 * eap_tls_derive_key(struct eap_sm *sm, struct eap_ssl_data *data,
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char *label, size_t len);
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const u8 * eap_tls_data_reassemble(
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struct eap_sm *sm, struct eap_ssl_data *data, const u8 *in_data,
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size_t in_len, size_t *out_len, int *need_more_input);
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int eap_tls_process_helper(struct eap_sm *sm, struct eap_ssl_data *data,
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int eap_type, int peap_version,
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u8 id, const u8 *in_data, size_t in_len,
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u8 **out_data, size_t *out_len);
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u8 * eap_tls_build_ack(struct eap_ssl_data *data, size_t *respDataLen, u8 id,
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int eap_type, int peap_version);
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int eap_tls_reauth_init(struct eap_sm *sm, struct eap_ssl_data *data);
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int eap_tls_status(struct eap_sm *sm, struct eap_ssl_data *data, char *buf,
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size_t buflen, int verbose);
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const u8 * eap_tls_process_init(struct eap_sm *sm, struct eap_ssl_data *data,
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EapType eap_type, struct eap_method_ret *ret,
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const u8 *reqData, size_t reqDataLen,
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size_t *len, u8 *flags);
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#endif /* EAP_TLS_COMMON_H */
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