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
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
|
/* $Id$ */
#define _UTIL_C_
#include "bbs.h"
time4_t now;
#undef MAX_GUEST_LIFE
#undef MAX_LIFE
// override max life
#define MAX_GUEST_LIFE (365L * 24 * 60 * 60)
#define MAX_LIFE (365L *10 * 24 * 60 * 60)
static int free_accs = 0;
int check_free(void *data, int n, userec_t *u)
{
if (u->userid[0] == 0)
free_accs++;
return 0;
}
int check(void *data, int n, userec_t *u) {
time4_t d;
char buf[256];
(void)data;
if (u->userid[0] == 0 && u->userid[1])
{
// expired user, clean record!
syslog(LOG_ERR, "reset record (%d)", n+1);
memset(u, 0, sizeof(userec_t));
passwd_update(n+1, u);
return 0;
}
if(u->userid[0] != '\0') {
if(!is_validuserid(u->userid)) {
syslog(LOG_ERR, "bad userid(%d): %s", n, u->userid);
u->userid[0] = '\0';
} else {
// test PASSWD synchronization
/*
int unum = searchuser(u->userid, u->userid);
if (unum == 0)
{
strcpy(buf, ctime4(&u->lastlogin));
syslog(LOG_NOTICE, "invalid user record (%d): %s (%s) %s", n+1,
u->userid, (u->userlevel & PERM_LOGINOK) ? "regok" : "unreg",
buf
);
u->userid[0] = '\0';
passwd_update(n+1, u);
}
return 0;
*/
d = now - u->lastlogin;
// ignore regged accounts now.
if (u->userlevel & PERM_LOGINOK)
return 0;
if (u->userlevel & PERM_SYSOP)
return 0;
if (u->userlevel & PERM_XEMPT)
return 0;
// if((d > MAX_GUEST_LIFE && (u->userlevel & PERM_LOGINOK) == 0)
// || (d > MAX_LIFE && (u->userlevel & PERM_XEMPT) == 0)) {
if(d > MAX_GUEST_LIFE) {
/* expired */
int unum;
unum = searchuser(u->userid, u->userid);
strcpy(buf, ctime4(&u->lastlogin));
if (unum != n+1)
{
syslog(LOG_NOTICE, "out-of-sync user(%d/%d): %s %s", unum, n,
u->userid, buf);
}
else if (unum != 0)
{
syslog(LOG_NOTICE, "kill user(%d): %s %s", unum,
// (u->userlevel & PERM_LOGINOK) ? "regok" : "guest",
u->userid, buf);
log_filef(FN_USIES, LOG_CREAT,
"%s %s %-12s %s",
Cdate(&now), "CLEAN(EXPIRE)", u->userid, buf);
sprintf(buf, "mv home/%c/%s tmp/", u->userid[0], u->userid);
if(system(buf))
syslog(LOG_ERR, "can't move user home: %s", u->userid);
u->userid[0] = '\0';
setuserid(unum, u->userid);
// flush into passwd
memset(u, 0, sizeof(userec_t));
passwd_update(unum, u);
} else {
/*
static int changed = 0;
if (changed ++ > 10)
exit(0);
*/
syslog(LOG_NOTICE, "clean user(%d): %s %s", n+1,
u->userid, buf);
log_filef(FN_USIES, LOG_CREAT,
"%s %s %-12s %s",
Cdate(&now), "CLEAN(CLEAR)", u->userid, buf);
u->userid[0] = '\0';
memset(u, 0, sizeof(userec_t));
passwd_update(n+1, u);
}
}
}
}
return 0;
}
int check_last_login(void *data, int n, userec_t *u) {
char buf[256];
if (u->userid[0] == 0)
return 0;
// ignore all XEMPTY users
if (u->userlevel & PERM_XEMPT)
return 0;
strcpy(buf, Cdate(&u->firstlogin));
if (u->lastlogin > now + 86400 || u->lastlogin < 0) // should not be newer than now plus one day.
{
// invalid record
printf("使用者 %-*s (登入%3d 次, %s%s, %s [%04X])\n 最後登入日期異常 [%04X]: %s",
IDLEN, u->userid, u->numlogindays,
(u->userlevel & PERM_LOGINOK) ? "已過認證" : "未過認證",
(u->userlevel & PERM_SYSOP) ? "[SYSOP]" : "",
buf,
(unsigned)u->firstlogin,
(unsigned)u->lastlogin,
ctime4(&u->lastlogin));
// fix it
u->lastlogin = u->firstlogin;
if (u->lastlogin > now)
{
printf(" (首次登入日期也異常)");
u->lastlogin = u->firstlogin = 0x362CFC7E;
}
printf(" 已修正登入日期為: %s\n", ctime4(&u->lastlogin));
// flush
passwd_update(n+1, u);
}
return 0;
}
int main(int argc, char **argv)
{
now = time(NULL);
openlog("reaper", LOG_PID | LOG_PERROR, SYSLOG_FACILITY);
chdir(BBSHOME);
attach_SHM();
if(passwd_init())
exit(1);
passwd_apply(NULL, check);
// passwd_apply(NULL, check_free);
// printf("free accounts=%d\n", free_accs);
return 0;
}
|
