I am looking for some script for FileChecksum monitoring , i have prepared the script but its not working as needed .
Strategy :
Code:
1) Copy ("passwd" "shadow" "/security/access.conf") to a new file location
2) Do , md5sum "/etc/passwd" "CopiedFile-Passwd" >tmp/HPOM_Checksum.log
3) Do , md5sum -c /tmp/HPOM_Checksum.log
if ("passwd" "shadow" "/security/access.conf") gets modified , the md5sum o/p string will be different
This can be checked from
4) md5sum -c /tmp/HPOM_Checksum.log
sample o/p
[root@oilvs011 tmp]# md5sum -c /tmp/HPOM_Checksum.log
/etc/passwd: FAILED
/var/opt/OV/log/hpom_passwd.md5: OK
5) If this gets modified , i again want to run the same loop.
Note : Whenever there is change in file the script has to copy the file again as in step 1
If you have any other better solution to work on this do let me know :
Code:
#!/bin/sh
CHECKSUM_PATH=/etc
AGENT_LOG=/var/opt/OV/log
declare -a arr=("passwd" "shadow" "/security/access.conf")
##now loop through the above array
for i in "${arr[@]}"
do
LIST_FILE=`ls -lrt "$AGENT_LOG" |grep "hpom_$i.md5" |wc -l`
echo $LIST_FILE
if [ $LIST_FILE -eq 0 ]; then
COPY=`cp "$CHECKSUM_PATH/$i" "$AGENT_LOG/hpom_$i.md5"`
fi
done
declare -a arr=("passwd" "shadow" "/security/access.conf")
##now loop through the above array
for j in "${arr[@]}"
do
CHECKSUM=`md5sum "$CHECKSUM_PATH/$j" "$AGENT_LOG/hpom_$j.md5" >/tmp/HPOM_Checksum.log`
CHECKSUM_STATUS=`md5sum -c /tmp/HPOM_Checksum.log |grep FAILED |wc -l`
echo $CHECKSUM_STATUS
if [ $CHECKSUM_STATUS -eq 1 ]; then
COPY=`cp "$CHECKSUM_PATH/$j" "$AGENT_LOG/hpom_$j.md5"`
echo `date +%b/%d/%Y-%H:%M:%S` Checksum Failed for $i >> /tmp/HPOM_Log_Checksum.log
fi
done
Thanks,
Mahender Joshi
Moderator's Comments:
Please use code tags
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LEARN ABOUT SUSE
pwconv
pwconv(8) System Manager's Manual pwconv(8)NAME
pwconv - convert to shadow account
SYNOPSIS
pwconv [-P path]
DESCRIPTION
pwconv installs and updates /etc/shadow with information from /etc/passwd. It relies on the special password 'x' in the password field of
the account. This value indicates that the password for the user is already in /etc/shadow and should not be modified.
If /etc/shadow does not exist, pwconv creates this file, moves the user password to it and creates default aging informations with the help
of the values of PASS_MIN_DAYS, PASS_MAX_DAYS and PASS_WARN_AGE from /etc/login.defs. The password field in /etc/passwd is replaced with
the special character 'x'.
If the /etc/shadow does exist, entries that are in the /etc/passwd file and not in the /etc/shadow file are added to the /etc/shadow file.
Accounts, which only exist in /etc/passwd, are added to /etc/shadow. Entries that are in /etc/shadow and not in /etc/passwd are removed
from /etc/shadow. All passwords from /etc/passwd are moved to /etc/shadow and replaced with the special character 'x'.
pwconv can be used for initial conversion and for updates later.
OPTIONS -P, --path path
The passwd and shadow files are located below the specified directory path. pwconv will use this files, not /etc/passwd and
/etc/shadow.
FILES
passwd - user account information
shadow - shadow user account information
SEE ALSO passwd(1), login.defs(5), passwd(5), shadow(5), pwck(8), pwunconv(8)AUTHOR
Thorsten Kukuk <kukuk@suse.de>
pwdutils January 2004 pwconv(8)