mirror of
https://github.com/Yubico/yubico-pam.git
synced 2024-12-01 15:24:12 +01:00
89 lines
3.2 KiB
C
89 lines
3.2 KiB
C
/*
|
|
* Copyright (c) 2011 Yubico AB.
|
|
* Copyright (c) 2011 Tollef Fog Heen <tfheen@err.no>
|
|
* All rights reserved.
|
|
*
|
|
* Author : Fredrik Thulin <fredrik@yubico.com>
|
|
* Author : Tollef Fog Heen <tfheen@err.no>
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are
|
|
* met:
|
|
*
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
*
|
|
* * Redistributions in binary form must reproduce the above
|
|
* copyright notice, this list of conditions and the following
|
|
* disclaimer in the documentation and/or other materials provided
|
|
* with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef __PAM_YUBICO_UTIL_H_INCLUDED__
|
|
#define __PAM_YUBICO_UTIL_H_INCLUDED__
|
|
|
|
#include <stdio.h>
|
|
|
|
#include <ykclient.h>
|
|
#include <ykcore.h>
|
|
#include <ykstatus.h>
|
|
#include <ykdef.h>
|
|
|
|
#if defined(DEBUG_PAM)
|
|
# if defined(HAVE_SECURITY__PAM_MACROS_H)
|
|
# define DEBUG
|
|
# include <security/_pam_macros.h>
|
|
# else
|
|
# define D(x) do { \
|
|
printf ("debug: %s:%d (%s): ", __FILE__, __LINE__, __FUNCTION__); \
|
|
printf x; \
|
|
printf ("\n"); \
|
|
} while (0)
|
|
# endif /* HAVE_SECURITY__PAM_MACROS_H */
|
|
#endif /* DEBUG_PAM */
|
|
|
|
/* Challenges can be 0..63 or 64 bytes long, depending on YubiKey configuration.
|
|
* We settle for 63 bytes to have something that works with all configurations.
|
|
*/
|
|
#define CR_CHALLENGE_SIZE 63
|
|
#define CR_RESPONSE_SIZE 20
|
|
|
|
struct chalresp_state {
|
|
unsigned char challenge[CR_CHALLENGE_SIZE];
|
|
uint8_t challenge_len;
|
|
unsigned char response[CR_RESPONSE_SIZE];
|
|
uint8_t response_len;
|
|
uint8_t slot;
|
|
};
|
|
|
|
typedef struct chalresp_state CR_STATE;
|
|
|
|
int generate_random(char *buf, int len);
|
|
|
|
int get_user_cfgfile_path(const char *common_path, const char *filename, const char *username, char **fn);
|
|
int get_user_challenge_file(YK_KEY *yk, const char *chalresp_path, const char *username, char **fn);
|
|
|
|
int load_chalresp_state(FILE *f, CR_STATE *state);
|
|
int write_chalresp_state(FILE *f, CR_STATE *state);
|
|
|
|
int init_yubikey(YK_KEY **yk);
|
|
int check_firmware_version(YK_KEY *yk, bool verbose, bool quiet);
|
|
int challenge_response(YK_KEY *yk, int slot,
|
|
unsigned char *challenge, unsigned int len,
|
|
bool hmac, unsigned int flags, bool verbose,
|
|
unsigned char *response, int res_size, int *res_len);
|
|
|
|
#endif /* __PAM_YUBICO_UTIL_H_INCLUDED__ */
|