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Code Issues Releases Wiki Activity

get_boottime() now fills in a timeval struct

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This commit is contained in:
Todd C. Miller
2010-04-22 10:33:16 -04:00
parent 7d6941a820
commit 6a27866c30
3 changed files with 41 additions and 36 deletions
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57
plugins/sudoers/boottime.c
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@@ -44,11 +44,15 @@
#include "compat.h"
#include "missing.h"
/*
* Fill in a struct timeval with the time the system booted.
* Returns TRUE on success and FALSE on failure.
*/
#if defined(__linux__)
time_t
get_boottime()
int
get_boottime(struct timeval *tv)
{
time_t boottime = 0;
char *line = NULL;
size_t linesize = 0;
ssize_t len;
@@ -59,70 +63,69 @@ get_boottime()
if (fp != NULL) {
while ((len = getline(&line, &linesize, fp)) != -1) {
if (strncmp(line, "btime ", 6) == 0) {
boottime = atoi(line + 6);
break;
tv->tv_sec = atoi(line + 6);
tv->tv_usec = 0;
return TRUE;
}
}
fclose(fp);
free(line);
}
return(boottime);
return FALSE;
}
#elif defined(HAVE_SYSCTL) && defined(KERN_BOOTTIME)
time_t
get_boottime()
int
get_boottime(struct timeval *tv)
{
struct timeval tv;
time_t boottime = 0;
size_t size;
int mib[2];
mib[0] = CTL_KERN;
mib[1] = KERN_BOOTTIME;
size = sizeof(tv);
if (sysctl(mib, 2, &tv, &size, NULL, 0) != -1)
boottime = tv.tv_sec;
size = sizeof(*tv);
if (sysctl(mib, 2, tv, &size, NULL, 0) != -1)
return TRUE;
return(boottime);
return FALSE;
}
#elif defined(HAVE_GETUTXID)
#include <utmpx.h>
time_t
get_boottime()
int
get_boottime(struct timeval *tv)
{
time_t boottime = 0;
struct utmpx *ut, key;
zero_bytes(&key, sizeof(key));
key.ut_type = BOOT_TIME;
key.ut_type = BOOT_TIME;
if ((ut = getutxid(&key)) != NULL) {
boottime = ut->ut_tv.tv_sec;
tv->tv_sec = ut->ut_tv.tv_sec;
tv->tv_usec = ut->ut_tv.tv_usec;
endutxent();
}
return(boottime);
return ut != NULL;
}
#elif defined(HAVE_GETUTID)
#include <utmp.h>
time_t
get_boottime()
int
get_boottime(struct timeval *tv)
{
time_t boottime = 0;
struct utmp *ut, key;
zero_bytes(&key, sizeof(key));
key.ut_type = BOOT_TIME;
key.ut_type = BOOT_TIME;
if ((ut = getutid(&key)) != NULL) {
boottime = ut->ut_time;
tv->tv_sec = ut->ut_time;
tv->tv_usec = 0;
endutent();
}
return(boottime);
return ut != NULL;
}
#else
@@ -130,6 +133,6 @@ get_boottime()
time_t
get_boottime()
{
return(0);
return FALSE;
}
#endif