135 lines
4.6 KiB
C
135 lines
4.6 KiB
C
#ifndef _HAVE_LOGINREC_H_
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#define _HAVE_LOGINREC_H_
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/*
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* Copyright (c) 2000 Andre Lucas. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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** loginrec.h: platform-independent login recording and lastlog retrieval
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**/
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#include "includes.h"
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struct ssh;
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/**
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** you should use the login_* calls to work around platform dependencies
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**/
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/*
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* login_netinfo structure
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*/
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union login_netinfo {
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struct sockaddr sa;
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struct sockaddr_in sa_in;
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struct sockaddr_storage sa_storage;
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};
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/*
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* * logininfo structure *
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*/
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/* types - different to utmp.h 'type' macros */
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/* (though set to the same value as linux, openbsd and others...) */
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#define LTYPE_LOGIN 7
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#define LTYPE_LOGOUT 8
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/* string lengths - set very long */
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#define LINFO_PROGSIZE 64
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#define LINFO_LINESIZE 64
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#define LINFO_NAMESIZE 512
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#define LINFO_HOSTSIZE 256
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struct logininfo {
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char progname[LINFO_PROGSIZE]; /* name of program (for PAM) */
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int progname_null;
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short int type; /* type of login (LTYPE_*) */
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pid_t pid; /* PID of login process */
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uid_t uid; /* UID of this user */
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char line[LINFO_LINESIZE]; /* tty/pty name */
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char username[LINFO_NAMESIZE]; /* login username */
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char hostname[LINFO_HOSTSIZE]; /* remote hostname */
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/* 'exit_status' structure components */
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int exit; /* process exit status */
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int termination; /* process termination status */
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/* struct timeval (sys/time.h) isn't always available, if it isn't we'll
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* use time_t's value as tv_sec and set tv_usec to 0
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*/
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unsigned int tv_sec;
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unsigned int tv_usec;
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union login_netinfo hostaddr; /* caller's host address(es) */
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}; /* struct logininfo */
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/*
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* login recording functions
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*/
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/** 'public' functions */
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/* 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);
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/* free a structure */
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void login_free_entry(struct logininfo *li);
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/* 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);
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/* place the current time in a logininfo struct */
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void login_set_current_time(struct logininfo *li);
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/* record the entry */
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int login_login (struct logininfo *li);
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int login_logout(struct logininfo *li);
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#ifdef LOGIN_NEEDS_UTMPX
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int login_utmp_only(struct logininfo *li);
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#endif
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/** End of public functions */
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/* record the entry */
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int login_write (struct logininfo *li);
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int login_log_entry(struct logininfo *li);
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/* set the network address based on network address type */
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void login_set_addr(struct logininfo *li, const struct sockaddr *sa,
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const unsigned int sa_size);
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/*
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* lastlog retrieval functions
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*/
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/* 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);
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char *line_abbrevname(char *dst, const char *src, int dstsize);
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void record_failed_login(struct ssh *, const char *, const char *,
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const char *);
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#endif /* _HAVE_LOGINREC_H_ */
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