-/* @(#) $Id$ */
+/* @(#) $Id: ./src/syscheckd/run_check.c, 2011/09/08 dcid Exp $
+ */
/* Copyright (C) 2010 Trend Micro Inc.
* All right reserved.
}
create_db(1);
-
+
/* Sending scan ending message */
sleep(syscheck.tsleep +10);
send_rootcheck_msg("Ending syscheck scan.");
}
}
-
-
+
+
/* start_daemon
- * Run periodicaly the integrity checking
+ * Run periodicaly the integrity checking
*/
void start_daemon()
{
int day_scanned = 0;
int curr_day = 0;
-
+
time_t curr_time = 0;
-
+
time_t prev_time_rk = 0;
time_t prev_time_sk = 0;
char curr_hour[12];
struct tm *p;
-
+
/* To be used by select. */
#ifdef USEINOTIFY
fd_set rfds;
#endif
-
+
/*
- * SCHED_BATCH forces the kernel to assume this is a cpu intensive
+ * SCHED_BATCH forces the kernel to assume this is a cpu intensive
* process
- * and gives it a lower priority. This keeps ossec-syscheckd
+ * and gives it a lower priority. This keeps ossec-syscheckd
* from reducing
* the interactity of an ssh session when checksumming large files.
* This is available in kernel flavors >= 2.6.16
#ifdef SCHED_BATCH
struct sched_param pri;
int status;
-
+
pri.sched_priority = 0;
status = sched_setscheduler(0, SCHED_BATCH, &pri);
-
+
debug1("%s: Setting SCHED_BATCH returned: %d", ARGV0, status);
#endif
-
-
+
+
#ifdef DEBUG
verbose("%s: Starting daemon ..",ARGV0);
#endif
-
-
-
+
+
+
/* Some time to settle */
memset(curr_hour, '\0', 12);
sleep(syscheck.tsleep * 10);
- /* If the scan time/day is set, reset the
- * syscheck.time/rootcheck.time
+ /* If the scan time/day is set, reset the
+ * syscheck.time/rootcheck.time
*/
if(syscheck.scan_time || syscheck.scan_day)
{
{
prev_time_rk = time(0);
}
-
-
+
+
/* Before entering in daemon mode itself */
prev_time_sk = time(0);
sleep(syscheck.tsleep * 10);
-
+
/* If the scan_time or scan_day is set, we need to handle the
* current day/time on the loop.
*/
if(syscheck.scan_time || syscheck.scan_day)
{
- curr_time = time(0);
+ curr_time = time(0);
p = localtime(&curr_time);
curr_day = p->tm_mday;
-
+
if(syscheck.scan_time && syscheck.scan_day)
{
if((OS_IsAfterTime(curr_hour, syscheck.scan_time)) &&
}
}
-
- #if defined (USEINOTIFY) || defined (WIN32)
- if(syscheck.realtime && (syscheck.realtime->fd >= 0))
- verbose("%s: INFO: Starting real time file monitoring.", ARGV0);
- #endif
-
- /* Checking every SYSCHECK_WAIT */
+ /* Checking every SYSCHECK_WAIT */
while(1)
{
int run_now = 0;
curr_time = time(0);
-
+
/* Checking if syscheck should be restarted, */
run_now = os_check_restart_syscheck();
-
+
/* Checking if a day_time or scan_time is set. */
if(syscheck.scan_time || syscheck.scan_day)
{
day_scanned = 0;
curr_day = p->tm_mday;
}
-
-
+
+
/* Checking for the time of the scan. */
if(!day_scanned && syscheck.scan_time && syscheck.scan_day)
{
run_now = 1;
}
}
-
+
else if(!day_scanned && syscheck.scan_time)
{
/* Assign hour/min/sec values */
- snprintf(curr_hour, 9, "%02d:%02d:%02d",
+ snprintf(curr_hour, 9, "%02d:%02d:%02d",
p->tm_hour, p->tm_min, p->tm_sec);
if(OS_IsAfterTime(curr_hour, syscheck.scan_time))
}
}
}
-
-
+
+
/* If time elapsed is higher than the rootcheck_time,
* run it.
}
}
-
+
/* If time elapsed is higher than the syscheck time,
* run syscheck time.
*/
syscheck.scan_on_start = 1;
}
-
-
+
+
else
{
/* Sending scan start message */
run_dbcheck();
}
-
+
/* Sending scan ending message */
sleep(syscheck.tsleep + 20);
if(syscheck.dir[0])
merror("%s: INFO: Ending syscheck scan.", ARGV0);
send_rootcheck_msg("Ending syscheck scan.");
}
-
+
/* Sending database completed message */
send_syscheck_msg(HC_SK_DB_COMPLETED);
debug2("%s: DEBUG: Sending database completed message.", ARGV0);
-
+
prev_time_sk = time(0);
- }
+ }
#ifdef USEINOTIFY
FD_SET(syscheck.realtime->fd, &rfds);
- run_now = select(syscheck.realtime->fd + 1, &rfds,
+ run_now = select(syscheck.realtime->fd + 1, &rfds,
NULL, NULL, &selecttime);
if(run_now < 0)
{
int c_read_file(char *file_name, char *oldsum, char *newsum)
{
int size = 0, perm = 0, owner = 0, group = 0, md5sum = 0, sha1sum = 0, seechanges = 0;
-
+
struct stat statbuf;
os_md5 mf_sum;
/* Cleaning sums */
strncpy(mf_sum, "xxx", 4);
strncpy(sf_sum, "xxx", 4);
-
-
+
+
/* Stating the file */
#ifdef WIN32
/* owner */
if(oldsum[2] == '+')
- owner = 1;
-
+ owner = 1;
+
/* group */
if(oldsum[3] == '+')
group = 1;
-
+
/* md5 sum */
if(oldsum[4] == '+')
md5sum = 1;
sha1sum = 0;
seechanges = 1;
}
-
-
+
+
/* Generating new checksum */
#ifdef WIN32
if(S_ISREG(statbuf.st_mode))
if(sha1sum || md5sum)
{
/* Generating checksums of the file. */
- if(OS_MD5_SHA1_File(file_name, mf_sum, sf_sum) < 0)
+ if(OS_MD5_SHA1_File(file_name, syscheck.prefilter_cmd, mf_sum, sf_sum) < 0)
{
strncpy(sf_sum, "xxx", 4);
strncpy(mf_sum, "xxx", 4);
if(sha1sum || md5sum)
{
/* Generating checksums of the file. */
- if(OS_MD5_SHA1_File(file_name, mf_sum, sf_sum) < 0)
+ if(OS_MD5_SHA1_File(file_name, syscheck.prefilter_cmd, mf_sum, sf_sum) < 0)
{
strncpy(sf_sum, "xxx", 4);
strncpy(mf_sum, "xxx", 4);
}
}
#endif
-
+
newsum[0] = '\0';
newsum[255] = '\0';
snprintf(newsum,255,"%d:%d:%d:%d:%s:%s",