1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
#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"
struct ssh;
/**
** 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;
struct sockaddr_storage sa_storage;
};
/*
* * 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 512
#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_*) */
pid_t pid; /* PID of login process */
uid_t 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(pid_t 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, pid_t 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 uid_t uid);
/* lastlog *time* functions return time_t equivalent (uint) */
unsigned int login_get_lastlog_time(const uid_t uid);
/* produce various forms of the line filename */
char *line_fullname(char *dst, const char *src, u_int dstsize);
char *line_stripname(char *dst, const char *src, int dstsize);
char *line_abbrevname(char *dst, const char *src, int dstsize);
void record_failed_login(struct ssh *, const char *, const char *,
const char *);
#endif /* _HAVE_LOGINREC_H_ */
|
