From 2ff7b5d02817eb74a3ac2bf02eadef127b09d77c Mon Sep 17 00:00:00 2001 From: andre Date: Sat, 3 Jun 2000 14:57:40 +0000 Subject: Added new login recording code Added test program for login code (make logintest) --- loginrec.h | 167 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 167 insertions(+) create mode 100644 loginrec.h (limited to 'loginrec.h') diff --git a/loginrec.h b/loginrec.h new file mode 100644 index 00000000..0f268ce6 --- /dev/null +++ b/loginrec.h @@ -0,0 +1,167 @@ +#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. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Markus Friedl. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * 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" + +#include +#include +#include + +/* RCSID("$Id: loginrec.h,v 1.1 2000/06/03 14:57:40 andre Exp $"); */ + +/** + ** you should use the login_* calls to work around platform dependencies + **/ + +/* check if we have IP6 on this system */ +#if defined(AF_INET6) || defined(INET6_ADDRSTRLEN) +# define LOGIN_HAVE_IP6 +#endif + +/* + * login_netinfo structure + */ + +struct login_netinfo { + struct sockaddr_in sa_in4; +#ifdef LOGIN_HAVE_IP6 + struct sockaddr_in6 sa_in6; +#endif + +}; /* struct login_netinfo */ + + +/* + * * 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 +#define LINFO_NAMESIZE 64 +#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_*) */ + + int pid; /* PID of login process */ + int uid; /* UID of this user */ + 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; + + struct login_netinfo hostaddr; /* caller's host address(es) */ + +}; /* struct logininfo */ + + +/* + * login recording functions + */ +/* construct a new login entry */ +struct logininfo *login_alloc_entry(int pid, + const char *username, + const char *hostname, const char *line); +void login_free_entry(struct logininfo *li); +int login_init_entry(struct logininfo *li, + int pid, const char *username, + const char *hostname, const char *line); +void login_set_progname(struct logininfo *li, + const char *progname); +/* set the type field (skip if using ...login or ...logout) */ +void login_set_type(struct logininfo *li, int type); +void login_set_pid(struct logininfo *li, int pid); +void login_set_uid(struct logininfo *li, int uid); +void login_set_line(struct logininfo *li, const char *line); +void login_set_username(struct logininfo *li, const char *username); +void login_set_hostname(struct logininfo *li, const char *hostname); +/* set the exit status (used by [uw]tmpx) */ +void login_set_exitstatus(struct logininfo *li, int exit, int termination); +void login_set_time(struct logininfo *li, unsigned int tv_sec, + unsigned int tv_usec); +void login_set_current_time(struct logininfo *li); +/* set the network address based on network address type */ +void login_set_ip4(struct logininfo *li, + const struct sockaddr_in *sa_in4); +# ifdef LOGIN_HAVE_IP6 +void login_set_ip6(struct logininfo *li, + const struct sockaddr_in6 *sa_in6); +# endif /* LOGIN_HAVE_IP6 */ +/* record the entry */ +int login_write (struct logininfo *li); +int login_login (struct logininfo *li); +int login_logout(struct logininfo *li); +int login_log_entry(struct logininfo *li); + +/* + * login record retrieval functions + */ +/* lastlog *entry* functions fill out a logininfo */ +struct logininfo *login_getlastentry_name(struct logininfo *li, + const char *username); +struct logininfo *login_getlastentry_uid(struct logininfo *li, + const int pid); +/* lastlog *time* functions return time_t equivalent (uint) */ +unsigned int login_getlasttime_name(const char *username); +unsigned int login_getlasttime_uid(const int pid); + +/* produce various forms of the line filename */ +char *line_fullname(char *dst, const char *src, int dstsize); +char *line_stripname(char *dst, const char *src, int dstsize); +char *line_abbrevname(char *dst, const char *src, int dstsize); + + +#endif /* _HAVE_LOGINREC_H_ */ + -- cgit v1.2.1