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TOMOYO: Rename meminfo to stat and show more statistics.

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Show statistics such as last policy update time and last policy violation time
in addition to memory usage.

Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: James Morris <jmorris@namei.org>
This commit is contained in:
Tetsuo Handa
2011-06-26 23:21:50 +09:00
committed by James Morris
parent 2c47ab9353
commit b22b8b9fd9
6 changed files with 206 additions and 143 deletions
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41
security/tomoyo/util.c
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@@ -46,6 +46,47 @@ const u8 tomoyo_index2category[TOMOYO_MAX_MAC_INDEX] = {
[TOMOYO_MAC_FILE_PIVOT_ROOT] = TOMOYO_MAC_CATEGORY_FILE,
};
/**
* tomoyo_convert_time - Convert time_t to YYYY/MM/DD hh/mm/ss.
*
* @time: Seconds since 1970/01/01 00:00:00.
* @stamp: Pointer to "struct tomoyo_time".
*
* Returns nothing.
*
* This function does not handle Y2038 problem.
*/
void tomoyo_convert_time(time_t time, struct tomoyo_time *stamp)
{
static const u16 tomoyo_eom[2][12] = {
{ 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365 },
{ 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366 }
};
u16 y;
u8 m;
bool r;
stamp->sec = time % 60;
time /= 60;
stamp->min = time % 60;
time /= 60;
stamp->hour = time % 24;
time /= 24;
for (y = 1970; ; y++) {
const unsigned short days = (y & 3) ? 365 : 366;
if (time < days)
break;
time -= days;
}
r = (y & 3) == 0;
for (m = 0; m < 11 && time >= tomoyo_eom[r][m]; m++)
;
if (m)
time -= tomoyo_eom[r][m - 1];
stamp->year = y;
stamp->month = ++m;
stamp->day = ++time;
}
/**
* tomoyo_permstr - Find permission keywords.
*