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/* support.h - support functions for pam_tacplus.c
*
* Copyright (C) 2010, Pawel Krawczyk <pawel.krawczyk@hush.com> and
* Jeroen Nijhof <jeroen@jeroennijhof.nl>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program - see the file COPYING.
*
* See `CHANGES' file for revision history.
*/
#ifndef PAM_TACPLUS_SUPPORT_H
#define PAM_TACPLUS_SUPPORT_H
#include "libtac.h"
#include <security/pam_modules.h>
#define TAC_SECRET_MAX_LEN 64
typedef struct {
struct addrinfo *addr;
const char *key;
} tacplus_server_t;
extern tacplus_server_t tac_srv[TAC_PLUS_MAXSERVERS];
extern unsigned int tac_srv_no;
extern char tac_service[64];
extern char tac_protocol[64];
extern char tac_prompt[64];
void tac_copy_addr_info(struct addrinfo *p_dst, const struct addrinfo *p_src);
int _pam_parse(int, const char **);
unsigned long _resolve_name(char *);
unsigned long _getserveraddr(char *serv);
int tacacs_get_password(pam_handle_t *, int, int, char **);
int converse(pam_handle_t *, int, const struct pam_message *, struct pam_response **);
void _pam_log(int, const char *, ...);
void *_xcalloc(size_t);
char *_pam_get_user(pam_handle_t *);
char *_pam_get_terminal(pam_handle_t *);
char *_pam_get_rhost(pam_handle_t *);
/* Used to mute gcc/clang "unused parameter" warnings */
#ifdef __GNUC__
# define UNUSED(x) UNUSED_ ## x __attribute__((__unused__))
#else
# define UNUSED(x) UNUSED_ ## x
#endif
#ifdef __GNUC__
# define UNUSED_FUNCTION(x) __attribute__((__unused__)) UNUSED_ ## x
#else
# define UNUSED_FUNCTION(x) UNUSED_ ## x
#endif
#endif /* PAM_TACPLUS_SUPPORT_H */