#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" /* RCSID("Id: loginrec.h,v 1.2 2004/05/04 10:17:43 matt Exp "); */ /* The following #defines are from OpenSSH's defines.h, required for loginrec */ /* FIXME: put default paths back in */ #ifndef UTMP_FILE # ifdef _PATH_UTMP # define UTMP_FILE _PATH_UTMP # else # ifdef CONF_UTMP_FILE # define UTMP_FILE CONF_UTMP_FILE # endif # endif #endif #ifndef WTMP_FILE # ifdef _PATH_WTMP # define WTMP_FILE _PATH_WTMP # else # ifdef CONF_WTMP_FILE # define WTMP_FILE CONF_WTMP_FILE # endif # endif #endif /* pick up the user's location for lastlog if given */ #ifndef LASTLOG_FILE # ifdef _PATH_LASTLOG # define LASTLOG_FILE _PATH_LASTLOG # else # ifdef CONF_LASTLOG_FILE # define LASTLOG_FILE CONF_LASTLOG_FILE # endif # endif #endif /* The login() library function in libutil is first choice */ #if defined(HAVE_LOGIN) && !defined(DISABLE_LOGIN) # define USE_LOGIN #else /* Simply select your favourite login types. */ /* Can't do if-else because some systems use several... */ # if defined(UTMPX_FILE) && !defined(DISABLE_UTMPX) # define USE_UTMPX # endif # if defined(UTMP_FILE) && !defined(DISABLE_UTMP) # define USE_UTMP # endif # if defined(WTMPX_FILE) && !defined(DISABLE_WTMPX) # define USE_WTMPX # endif # if defined(WTMP_FILE) && !defined(DISABLE_WTMP) # define USE_WTMP # endif #endif /* I hope that the presence of LASTLOG_FILE is enough to detect this */ #if defined(LASTLOG_FILE) && !defined(DISABLE_LASTLOG) # define USE_LASTLOG #endif /** ** 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; #ifdef HAVE_STRUCT_SOCKADDR_STORAGE struct sockaddr_storage sa_storage; #endif }; /* * * 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; union login_netinfo hostaddr; /* caller's host address(es) */ }; /* struct logininfo */ /* * login recording functions */ /** 'public' functions */ /* construct a new login entry */ struct logininfo *login_alloc_entry(int pid, const char *username, 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 */ int login_init_entry(struct logininfo *li, int pid, const char *username, 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 */ struct logininfo *login_get_lastlog(struct logininfo *li, const int uid); /* lastlog *time* functions return time_t equivalent (uint) */ unsigned int login_get_lastlog_time(const int uid); /* produce various forms of the line filename */ char *line_fullname(char *dst, const char *src, size_t dstsize); char *line_stripname(char *dst, const char *src, size_t dstsize); char *line_abbrevname(char *dst, const char *src, size_t dstsize); #endif /* _HAVE_LOGINREC_H_ */