]>
Commit | Line | Data |
---|---|---|
97f98500 HT |
1 | /** @file\r |
2 | C Run-Time Libraries (CRT) Time Management Routines Wrapper Implementation\r | |
3 | for OpenSSL-based Cryptographic Library (used in DXE & RUNTIME).\r | |
4 | \r | |
b7d320f8 | 5 | Copyright (c) 2010 - 2011, Intel Corporation. All rights reserved.<BR>\r |
97f98500 HT |
6 | This program and the accompanying materials\r |
7 | are licensed and made available under the terms and conditions of the BSD License\r | |
8 | which accompanies this distribution. The full text of the license may be found at\r | |
9 | http://opensource.org/licenses/bsd-license.php\r | |
10 | \r | |
11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
13 | \r | |
14 | **/\r | |
15 | \r | |
16 | #include <Uefi.h>\r | |
17 | #include <OpenSslSupport.h>\r | |
18 | #include <Library/UefiRuntimeServicesTableLib.h>\r | |
19 | \r | |
20 | //\r | |
21 | // -- Time Management Routines --\r | |
22 | //\r | |
23 | \r | |
24 | #define IsLeap(y) (((y) % 4) == 0 && (((y) % 100) != 0 || ((y) % 400) == 0))\r | |
b7d320f8 | 25 | #define SECSPERMIN (60)\r |
97f98500 HT |
26 | #define SECSPERHOUR (60 * 60)\r |
27 | #define SECSPERDAY (24 * SECSPERHOUR)\r | |
28 | \r | |
29 | //\r | |
30 | // The arrays give the cumulative number of days up to the first of the\r | |
31 | // month number used as the index (1 -> 12) for regular and leap years.\r | |
32 | // The value at index 13 is for the whole year.\r | |
33 | //\r | |
34 | UINTN CumulativeDays[2][14] = {\r | |
35 | {\r | |
36 | 0,\r | |
37 | 0,\r | |
38 | 31,\r | |
39 | 31 + 28,\r | |
40 | 31 + 28 + 31,\r | |
41 | 31 + 28 + 31 + 30,\r | |
42 | 31 + 28 + 31 + 30 + 31,\r | |
43 | 31 + 28 + 31 + 30 + 31 + 30,\r | |
44 | 31 + 28 + 31 + 30 + 31 + 30 + 31,\r | |
45 | 31 + 28 + 31 + 30 + 31 + 30 + 31 + 31,\r | |
46 | 31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30,\r | |
47 | 31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31,\r | |
48 | 31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31 + 30,\r | |
49 | 31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31 + 30 + 31\r | |
50 | },\r | |
51 | {\r | |
52 | 0,\r | |
53 | 0,\r | |
54 | 31,\r | |
55 | 31 + 29,\r | |
56 | 31 + 29 + 31,\r | |
57 | 31 + 29 + 31 + 30,\r | |
58 | 31 + 29 + 31 + 30 + 31,\r | |
59 | 31 + 29 + 31 + 30 + 31 + 30,\r | |
60 | 31 + 29 + 31 + 30 + 31 + 30 + 31,\r | |
61 | 31 + 29 + 31 + 30 + 31 + 30 + 31 + 31,\r | |
62 | 31 + 29 + 31 + 30 + 31 + 30 + 31 + 31 + 30,\r | |
63 | 31 + 29 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31,\r | |
64 | 31 + 29 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31 + 30,\r | |
65 | 31 + 29 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31 + 30 + 31 \r | |
66 | }\r | |
67 | };\r | |
68 | \r | |
69 | /* Get the system time as seconds elapsed since midnight, January 1, 1970. */\r | |
70 | //INTN time(\r | |
71 | // INTN *timer\r | |
72 | // )\r | |
73 | time_t time (time_t *timer)\r | |
74 | {\r | |
75 | EFI_TIME Time;\r | |
76 | UINTN Year;\r | |
77 | \r | |
78 | //\r | |
79 | // Get the current time and date information\r | |
80 | //\r | |
81 | gRT->GetTime (&Time, NULL);\r | |
82 | \r | |
83 | //\r | |
84 | // Years Handling\r | |
85 | // UTime should now be set to 00:00:00 on Jan 1 of the current year.\r | |
86 | //\r | |
87 | for (Year = 1970, *timer = 0; Year != Time.Year; Year++) {\r | |
88 | *timer = *timer + (time_t)(CumulativeDays[IsLeap(Year)][13] * SECSPERDAY);\r | |
89 | }\r | |
90 | \r | |
91 | //\r | |
92 | // Add in number of seconds for current Month, Day, Hour, Minute, Seconds, and TimeZone adjustment\r | |
93 | //\r | |
94 | *timer = *timer + \r | |
95 | (time_t)((Time.TimeZone != EFI_UNSPECIFIED_TIMEZONE) ? (Time.TimeZone * 60) : 0) +\r | |
96 | (time_t)(CumulativeDays[IsLeap(Time.Year)][Time.Month] * SECSPERDAY) + \r | |
97 | (time_t)(((Time.Day > 0) ? Time.Day - 1 : 0) * SECSPERDAY) + \r | |
98 | (time_t)(Time.Hour * SECSPERHOUR) + \r | |
99 | (time_t)(Time.Minute * 60) + \r | |
100 | (time_t)Time.Second;\r | |
101 | \r | |
102 | return *timer;\r | |
103 | }\r | |
b7d320f8 | 104 | \r |
105 | //\r | |
106 | // Convert a time value from type time_t to struct tm.\r | |
107 | //\r | |
108 | struct tm * gmtime (const time_t *timer)\r | |
109 | {\r | |
110 | struct tm *GmTime;\r | |
111 | UINT16 DayNo;\r | |
112 | UINT16 DayRemainder;\r | |
113 | time_t Year;\r | |
114 | time_t YearNo;\r | |
115 | UINT16 TotalDays;\r | |
116 | UINT16 MonthNo;\r | |
117 | \r | |
118 | if (timer == NULL) {\r | |
119 | return NULL;\r | |
120 | }\r | |
121 | \r | |
122 | GmTime = malloc (sizeof (struct tm));\r | |
123 | if (GmTime == NULL) {\r | |
124 | return NULL;\r | |
125 | }\r | |
126 | \r | |
127 | ZeroMem ((VOID *) GmTime, (UINTN) sizeof (struct tm));\r | |
128 | \r | |
129 | DayNo = (UINT16) (*timer / SECSPERDAY);\r | |
130 | DayRemainder = (UINT16) (*timer % SECSPERDAY);\r | |
131 | \r | |
132 | GmTime->tm_sec = (int) (DayRemainder % SECSPERMIN);\r | |
133 | GmTime->tm_min = (int) ((DayRemainder % SECSPERHOUR) / SECSPERMIN);\r | |
134 | GmTime->tm_hour = (int) (DayRemainder / SECSPERHOUR);\r | |
135 | GmTime->tm_wday = (int) ((DayNo + 4) % 7);\r | |
136 | \r | |
137 | for (Year = 1970, YearNo = 0; DayNo > 0; Year++) {\r | |
138 | TotalDays = (UINT16) (IsLeap (Year) ? 366 : 365);\r | |
139 | if (DayNo >= TotalDays) {\r | |
140 | DayNo = (UINT16) (DayNo - TotalDays);\r | |
141 | YearNo++;\r | |
142 | } else {\r | |
143 | break;\r | |
144 | }\r | |
145 | }\r | |
146 | \r | |
147 | GmTime->tm_year = (int) (YearNo + (1970 - 1900));\r | |
148 | GmTime->tm_yday = (int) DayNo;\r | |
149 | \r | |
150 | for (MonthNo = 12; MonthNo > 1; MonthNo--) {\r | |
04a3cfa7 | 151 | if (DayNo >= CumulativeDays[IsLeap(Year)][MonthNo]) {\r |
b7d320f8 | 152 | DayNo = (UINT16) (DayNo - (UINT16) (CumulativeDays[IsLeap(Year)][MonthNo]));\r |
153 | break;\r | |
154 | }\r | |
155 | }\r | |
156 | \r | |
04a3cfa7 GCPL |
157 | GmTime->tm_mon = (int) MonthNo - 1;\r |
158 | GmTime->tm_mday = (int) DayNo + 1;\r | |
b7d320f8 | 159 | \r |
160 | GmTime->tm_isdst = 0;\r | |
161 | GmTime->tm_gmtoff = 0;\r | |
162 | GmTime->tm_zone = NULL;\r | |
163 | \r | |
164 | return GmTime;\r | |
165 | }\r |