freebsd-dev/crypto/openssh/loginrec.h

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#ifndef _HAVE_LOGINREC_H_
#define _HAVE_LOGINREC_H_
/*
* Copyright (c) 2000 Andre Lucas. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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 AUTHOR ``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 AUTHOR 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.
*/
/**
** loginrec.h: platform-independent login recording and lastlog retrieval
**/
#include "includes.h"
/**
** you should use the login_* calls to work around platform dependencies
**/
/*
* login_netinfo structure
*/
union login_netinfo {
struct sockaddr sa;
struct sockaddr_in sa_in;
struct sockaddr_storage sa_storage;
};
/*
* * logininfo structure *
*/
/* types - different to utmp.h 'type' macros */
/* (though set to the same value as linux, openbsd and others...) */
#define LTYPE_LOGIN 7
#define LTYPE_LOGOUT 8
/* string lengths - set very long */
#define LINFO_PROGSIZE 64
#define LINFO_LINESIZE 64
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#define LINFO_NAMESIZE 512
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#define LINFO_HOSTSIZE 256
struct logininfo {
char progname[LINFO_PROGSIZE]; /* name of program (for PAM) */
int progname_null;
short int type; /* type of login (LTYPE_*) */
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pid_t pid; /* PID of login process */
uid_t uid; /* UID of this user */
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char line[LINFO_LINESIZE]; /* tty/pty name */
char username[LINFO_NAMESIZE]; /* login username */
char hostname[LINFO_HOSTSIZE]; /* remote hostname */
/* 'exit_status' structure components */
int exit; /* process exit status */
int termination; /* process termination status */
/* struct timeval (sys/time.h) isn't always available, if it isn't we'll
* use time_t's value as tv_sec and set tv_usec to 0
*/
unsigned int tv_sec;
unsigned int tv_usec;
union login_netinfo hostaddr; /* caller's host address(es) */
}; /* struct logininfo */
/*
* login recording functions
*/
/** 'public' functions */
/* construct a new login entry */
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struct logininfo *login_alloc_entry(pid_t pid, const char *username,
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const char *hostname, const char *line);
/* free a structure */
void login_free_entry(struct logininfo *li);
/* fill out a pre-allocated structure with useful information */
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int login_init_entry(struct logininfo *li, pid_t pid, const char *username,
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const char *hostname, const char *line);
/* place the current time in a logininfo struct */
void login_set_current_time(struct logininfo *li);
/* record the entry */
int login_login (struct logininfo *li);
int login_logout(struct logininfo *li);
#ifdef LOGIN_NEEDS_UTMPX
int login_utmp_only(struct logininfo *li);
#endif
/** End of public functions */
/* record the entry */
int login_write (struct logininfo *li);
int login_log_entry(struct logininfo *li);
/* set the network address based on network address type */
void login_set_addr(struct logininfo *li, const struct sockaddr *sa,
const unsigned int sa_size);
/*
* lastlog retrieval functions
*/
/* lastlog *entry* functions fill out a logininfo */
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struct logininfo *login_get_lastlog(struct logininfo *li, const uid_t uid);
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/* lastlog *time* functions return time_t equivalent (uint) */
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unsigned int login_get_lastlog_time(const uid_t uid);
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/* produce various forms of the line filename */
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char *line_fullname(char *dst, const char *src, u_int dstsize);
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char *line_stripname(char *dst, const char *src, int dstsize);
char *line_abbrevname(char *dst, const char *src, int dstsize);
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void record_failed_login(const char *, const char *, const char *);
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#endif /* _HAVE_LOGINREC_H_ */