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57 lines
1.7 KiB
C
57 lines
1.7 KiB
C
/*
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* Copyright (c) 2024 Stephen Heumann
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef AUTH_H
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#define AUTH_H
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#include <stdint.h>
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#include <stdbool.h>
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#include "fst/fstspecific.h"
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/* This size must be sufficient to hold any mechList we may produce. */
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#define MAX_MECHLIST_SIZE 100
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typedef struct {
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char16_t *userName;
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Word userNameSize;
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char16_t *userDomain;
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Word userDomainSize;
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unsigned char ntlmv2Hash[16];
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bool anonymous;
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} AuthInfo;
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typedef struct {
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unsigned step;
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unsigned char *negotiateMessage;
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unsigned char *challengeMessage;
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unsigned char *authenticateMessage;
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uint8_t mechList[MAX_MECHLIST_SIZE];
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uint16_t mechListSize;
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uint8_t signKey[16];
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AuthInfo *authInfo;
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} AuthState;
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void InitAuth(AuthState *state, AuthInfo *authInfo);
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size_t DoAuthStep(AuthState *state,
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const unsigned char *previousMsg, uint16_t previousSize,
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unsigned char *msgBuf, uint16_t msgBufSize);
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#endif
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