1 #ifndef _HAVE_LOGINREC_H_ 2 #define _HAVE_LOGINREC_H_ 3 4 /* 5 * Copyright (c) 2000 Andre Lucas. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 /** 29 ** loginrec.h: platform-independent login recording and lastlog retrieval 30 **/ 31 32 #include "includes.h" 33 34 /** 35 ** you should use the login_* calls to work around platform dependencies 36 **/ 37 38 /* 39 * login_netinfo structure 40 */ 41 42 union login_netinfo { 43 struct sockaddr sa; 44 struct sockaddr_in sa_in; 45 struct sockaddr_storage sa_storage; 46 }; 47 48 /* 49 * * logininfo structure * 50 */ 51 /* types - different to utmp.h 'type' macros */ 52 /* (though set to the same value as linux, openbsd and others...) */ 53 #define LTYPE_LOGIN 7 54 #define LTYPE_LOGOUT 8 55 56 /* string lengths - set very long */ 57 #define LINFO_PROGSIZE 64 58 #define LINFO_LINESIZE 64 59 #define LINFO_NAMESIZE 512 60 #define LINFO_HOSTSIZE 256 61 62 struct logininfo { 63 char progname[LINFO_PROGSIZE]; /* name of program (for PAM) */ 64 int progname_null; 65 short int type; /* type of login (LTYPE_*) */ 66 pid_t pid; /* PID of login process */ 67 uid_t uid; /* UID of this user */ 68 char line[LINFO_LINESIZE]; /* tty/pty name */ 69 char username[LINFO_NAMESIZE]; /* login username */ 70 char hostname[LINFO_HOSTSIZE]; /* remote hostname */ 71 /* 'exit_status' structure components */ 72 int exit; /* process exit status */ 73 int termination; /* process termination status */ 74 /* struct timeval (sys/time.h) isn't always available, if it isn't we'll 75 * use time_t's value as tv_sec and set tv_usec to 0 76 */ 77 unsigned int tv_sec; 78 unsigned int tv_usec; 79 union login_netinfo hostaddr; /* caller's host address(es) */ 80 }; /* struct logininfo */ 81 82 /* 83 * login recording functions 84 */ 85 86 /** 'public' functions */ 87 88 /* construct a new login entry */ 89 struct logininfo *login_alloc_entry(pid_t pid, const char *username, 90 const char *hostname, const char *line); 91 /* free a structure */ 92 void login_free_entry(struct logininfo *li); 93 /* fill out a pre-allocated structure with useful information */ 94 int login_init_entry(struct logininfo *li, pid_t pid, const char *username, 95 const char *hostname, const char *line); 96 /* place the current time in a logininfo struct */ 97 void login_set_current_time(struct logininfo *li); 98 99 /* record the entry */ 100 int login_login (struct logininfo *li); 101 int login_logout(struct logininfo *li); 102 #ifdef LOGIN_NEEDS_UTMPX 103 int login_utmp_only(struct logininfo *li); 104 #endif 105 106 /** End of public functions */ 107 108 /* record the entry */ 109 int login_write (struct logininfo *li); 110 int login_log_entry(struct logininfo *li); 111 112 /* set the network address based on network address type */ 113 void login_set_addr(struct logininfo *li, const struct sockaddr *sa, 114 const unsigned int sa_size); 115 116 /* 117 * lastlog retrieval functions 118 */ 119 /* lastlog *entry* functions fill out a logininfo */ 120 struct logininfo *login_get_lastlog(struct logininfo *li, const uid_t uid); 121 /* lastlog *time* functions return time_t equivalent (uint) */ 122 unsigned int login_get_lastlog_time(const uid_t uid); 123 124 /* produce various forms of the line filename */ 125 char *line_fullname(char *dst, const char *src, u_int dstsize); 126 char *line_stripname(char *dst, const char *src, int dstsize); 127 char *line_abbrevname(char *dst, const char *src, int dstsize); 128 129 void record_failed_login(const char *, const char *, const char *); 130 131 #endif /* _HAVE_LOGINREC_H_ */ 132