#! /bin/bash
#
#  check_virus_in_web_contents
#
#  Version: 1.00
#
#  Check virus in web content files on your webserver local.
#  Copyright(C) 2010 HOLLY&Co.,Ltd. <horimoto@holly-linux.com>
#
#  This program is free software; you can redistribute
#  it and/or modify it under the terms of 
#  the GNU General Public License as published 
#  by the Free Software Foundation; either version 3 of the License,
#  or (at your option) any later version.
#
#  This program is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
#  See the GNU General Public License for more details.
#
#  You should have received a copy of
#  the GNU General Public License along with this program. 
#  If not, see <http://www.gnu.org/licenses/>.

# To address alert mail
MT="horimoto@holly-linux.com"
# From address alert mail
MF="virus-alert@www.hinase.ne.jp"
# Reply-to address alert mail
MR="horimoto@holly-linux.com"
# Temp. files
LGF=/tmp/check_virus_log.txt
MLF=/tmp/check_virus_mail.txt

# Scan target Directories
for A in /var/www/html a;
do
  if [ $A != /var/www/html ]; then
    A=/home/$A
  fi
  clamscan --quiet -r $A -i --log $LGF
  RC=$?
  if [ $RC -ne 0 ]; then
    echo "To: "$MT > $MLF
    echo "From: "$MF >> $MLF
    echo "Reply-To: "$MR >> $MLF
    case $RC in 
    1) echo "Subject: (1)ALERT VIRUS FOUNDED." >> $MLF
       echo "" >> $MLF
       cat $LGF >> $MLF
       sendmail $MT < $MLF
	;;
    40) echo "Subject: (40)Unknown option passed." >> $MLF
       sendmail $MT < $MLF
        ;;
    50) echo "Subject: (50)DATABASE initialization error." >> $MLF
       sendmail $MT < $MLF
        ;;
    52) echo "Subject: (52)Not supported file type." >> $MLF
       sendmail $MT < $MLF
        ;;
    53) echo "Subject: (53)Can’t open directory." >> $MLF
       sendmail $MT < $MLF
        ;;
    54) echo "Subject: (54)Can’t open file. (ofm)" >> $MLF
       sendmail $MT < $MLF
        ;;
    55) echo "Subject: (55)Error reading file. (ofm)" >> $MLF
       sendmail $MT < $MLF
        ;;
    56) echo "Subject: (56)Can’t stat input file / directory." >> $MLF
       sendmail $MT < $MLF
        ;;
    57) echo "Subject: (57)Can’t get absolute path name of current working directory." >> $MLF
       sendmail $MT < $MLF
        ;;
    58) echo "Subject: (58)I/O error, please check your file system." >> $MLF
       sendmail $MT < $MLF
        ;;
    62) echo "Subject: (62)Can’t initialize logger." >> $MLF
       sendmail $MT < $MLF
        ;;
    63) echo "Subject: (63)Can’t create temporary files/directories (check permissions)." >> $MLF
       sendmail $MT < $MLF
        ;;
    64) echo "Subject: (64)Can’t write to temporary directory (please specify another one)." >> $MLF
       sendmail $MT < $MLF
        ;;
    70) echo "Subject: (70)an’t allocate memory (calloc)." >> $MLF
       sendmail $MT < $MLF
        ;;
    71) echo "Subject: (71)an’t allocate memory (malloc)." >> $MLF
       sendmail $MT < $MLF
        ;;
    esac
  fi
  /bin/rm $MLF
  /bin/rm $LGF
done