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
180
181
182
183
184
|
/*
* TIME.C - Various time subroutines needed by NetWare Login Script
*
* Copyright (c) 1995 Microsoft Corporation
*/
#include "common.h"
// Needed to convert netware net date to DOS date
#define _70_to_80_bias 0x012CEA600L
#define SECS_IN_DAY (60L*60L*24L)
#define SEC2S_IN_DAY (30L*60L*24L)
#define FOURYEARS (3*365+366)
WORD MonTotal[] = { 0, // dummy entry for month 0
0, // days before Jan 1
31, // days before Feb 1
31+28, // days before Mar 1
31+28+31, // days before Apr 1
31+28+31+30, // days before May 1
31+28+31+30+31, // days before Jun 1
31+28+31+30+31+30, // days before Jul 1
31+28+31+30+31+30+31, // days before Aug 1
31+28+31+30+31+30+31+31, // days before Sep 1
31+28+31+30+31+30+31+31+30, // days before Oct 1
31+28+31+30+31+30+31+31+30+31, // days before Nov 1
31+28+31+30+31+30+31+31+30+31+30, // days before Dec 1
31+28+31+30+31+30+31+31+30+31+30+31 // days before end of year
};
#define YR_MASK 0xFE00
#define LEAPYR_MASK 0x0600
#define YR_BITS 7
#define MON_MASK 0x01E0
#define MON_BITS 4
#define DAY_MASK 0x001F
#define DAY_BITS 5
#define HOUR_MASK 0xF800
#define HOUR_BITS 5
#define MIN_MASK 0x07E0
#define MIN_BITS 6
#define SEC2_MASK 0x001F
#define SEC2_BITS 5
static void NetToDosDate( DWORD time, WORD * dosdate, WORD * dostime )
{
DWORD secs, days;
WORD r;
time = (time - _70_to_80_bias) / 2; // # of 2 second periods since 1980
secs = time % SEC2S_IN_DAY; // 2 second period into day
days = time / SEC2S_IN_DAY; // days since Jan 1 1980
r = (WORD) ( secs % 30 ); // # of 2 second steps
secs /= 30;
r |= (secs % 60) << SEC2_BITS; // # of minutes
r |= (secs / 60) << SEC2_BITS+MIN_BITS; // # of hours
*dostime = r;
r = (WORD) ( days / FOURYEARS );// (r) = four year period past 1980
days %= FOURYEARS; // (days) = days into four year period
r *= 4; // (r) = years since 1980 (within 3)
if (days == 31+28) {
//* Special case for FEB 29th
r = (r<<(MON_BITS+DAY_BITS)) + (2<<DAY_BITS) + 29;
} else {
if (days > 31+28)
--days; // compensate for leap year
while (days >= 365) {
++r;
days -= 365;
}
for (secs = 1; days >= MonTotal[secs+1] ; ++secs)
;
days -= MonTotal[secs];
r <<= MON_BITS;
r += (WORD)secs;
r <<= DAY_BITS;
r += (WORD)days+1;
}
*dosdate = r;
}
#define TIMEDATE_SIZE 64
void nwShowLastLoginTime(VOID)
{
LONG lTime = 0L;
SYSTEMTIME st;
FILETIME ft;
TIME_ZONE_INFORMATION tz;
WCHAR szTimeBuf[TIMEDATE_SIZE];
WCHAR szDateBuf[TIMEDATE_SIZE];
int ret;
WORD dostime, dosdate;
DWORD tzStat;
if ( ret = NDSGetUserProperty ("Last Login Time", (PBYTE)&lTime,
4, NULL, NULL) )
{
#ifdef DEBUG
OutputDebugString("NWLSPROC: error getting LOGIN TIME\n\r");
#endif
return;
}
// From NetWare we get seconds from 1970, need to go through
// several conversions to get system time for NLS
// First deduct bias from UTC time to correct for local time
tzStat = GetTimeZoneInformation(&tz);
if ( tzStat != (DWORD)-1 ) {
if (tzStat == TIME_ZONE_ID_STANDARD)
tz.Bias += tz.StandardBias;
else if (tzStat == TIME_ZONE_ID_DAYLIGHT)
tz.Bias += tz.DaylightBias;
lTime -= tz.Bias*60;
}
#ifdef DEBUG
else {
OutputDebugString("NWLSPROC: GetTimeZoneInformation failed\n\r");
}
#endif // DEBUG
NetToDosDate( lTime, &dosdate, &dostime );
DosDateTimeToFileTime ( dosdate, dostime, &ft );
FileTimeToSystemTime ( &ft, &st );
#ifdef notdef
// I don't understand this comment, this code doesn't seem to be
// needed for NT. - terry
//
// This code will work on NT, but not on Win95.
// Convert the resulting system (UTC) time to local time
if ( GetTimeZoneInformation(&tz) != (DWORD)-1 ) {
SYSTEMTIME utcTime = st;
SystemTimeToTzSpecificLocalTime ( &tz, &utcTime, &st );
}
#ifdef DEBUG
else {
OutputDebugString("NWLSPROC: GetTimeZoneInformation failed\n\r");
}
#endif // DEBUG
#endif
wcscpy(szTimeBuf, L"");
ret = GetTimeFormat ( GetSystemDefaultLCID(),
TIME_FORCE24HOURFORMAT|TIME_NOTIMEMARKER,
&st,
NULL,
szTimeBuf,
TIMEDATE_SIZE );
#ifdef DEBUG
if ( !ret ) {
char buf[80];
wsprintf(buf,"NWLSPROC: GetTimeFormatA failure: %d sec:%ld\n\r",
GetLastError(), lTime );
OutputDebugString(buf);
}
#endif
ret = GetDateFormat(LOCALE_USER_DEFAULT,
DATE_LONGDATE,
&st,
NULL,
szDateBuf,
TIMEDATE_SIZE );
#ifdef DEBUG
if ( !ret ) {
char buf[80];
wsprintf(buf,"NWLSPROC: GetDateFormatA failure: %d sec:%ld\n\r",
GetLastError(), lTime );
OutputDebugString(buf);
}
#endif
DisplayMessage( IDR_LASTLOGIN, szDateBuf, szTimeBuf );
}
|
