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sw-collector: sw-collector.first_file setting retrieves creation date from file stats

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This commit is contained in:
Andreas Steffen
2017-07-26 19:51:21 +02:00
parent 6b69a66379
commit f35fbb2b5f
2 changed files with 52 additions and 2 deletions
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conf/options/sw-collector.opt
+3
View File
@@ -10,6 +10,9 @@ sw-collector.database =
sw-collector.history =
Path pointing to apt history.log file.
sw-collector.first_file = /var/log/bootstrap.log
Path pointing to file created when the Linux OS was installed.
sw-collector.first_time = 0000-00-00T00:00:00Z
Time in UTC when the Linux OS was installed.
src/sw-collector/sw_collector_db.c
+49 -2
View File
@@ -13,6 +13,12 @@
* for more details.
*/
#define _GNU_SOURCE
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <time.h>
#include "sw_collector_db.h"
#include "swima/swima_event.h"
@@ -305,6 +311,33 @@ METHOD(sw_collector_db_t, destroy, void,
free(this);
}
/**
* Determine file creation data and convert it into RFC 3339 format
*/
bool get_file_creation_date(char *pathname, char *timestamp)
{
struct stat st;
struct tm ct;
if (stat(pathname, &st))
{
DBG1(DBG_IMC, "unable to obtain statistics on '%s'", pathname);
return FALSE;
}
/* Convert from local time to UTC */
gmtime_r(&st.st_mtime, &ct);
ct.tm_year += 1900;
ct.tm_mon += 1;
/* Form timestamp according to RFC 3339 (20 characters) */
snprintf(timestamp, 21, "%4d-%02d-%02dT%02d:%02d:%02dZ",
ct.tm_year, ct.tm_mon, ct.tm_mday,
ct.tm_hour, ct.tm_min, ct.tm_sec);
return TRUE;
}
/**
* Described in header.
*/
@@ -312,7 +345,7 @@ sw_collector_db_t *sw_collector_db_create(char *uri)
{
private_sw_collector_db_t *this;
uint32_t first_eid, last_eid;
char *first_time;
char first_time_buf[21], *first_time, *first_file;
INIT(this,
.public = {
@@ -363,9 +396,23 @@ sw_collector_db_t *sw_collector_db_create(char *uri)
this->epoch &= 0x7fffffff;
/* Create first event when the OS was installed */
first_file = lib->settings->get_str(lib->settings,
"sw-collector.first_file", "/var/log/bootstrap.log");
first_time = lib->settings->get_str(lib->settings,
"sw-collector.first_time", "0000-00-00T00:00:00Z");
"sw-collector.first_time", NULL);
if (!first_time)
{
if (get_file_creation_date(first_file, first_time_buf))
{
first_time = first_time_buf;
}
else
{
first_time = "0000-00-00T00:00:00Z";
}
}
first_eid = add_event(this, first_time);
if (!first_eid)
{
destroy(this);