Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 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_ */ |