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#!/bin/bash
# msec: rpm security check
# check if we are run from main script
if [ -z "$MSEC_TMP" -o -z "$INFOS" -o -z "$SECURITY" -o -z "$DIFF" -o -z "$SECURITY_LOG" -o -z "${CURRENT_CHECK_TYPE}" ]; then
# variables are set in security.sh and propagated to the subscripts
echo "Error: this check should be run by the main msec security check!"
echo " do not run it directly unless you know what you are doing."
exit 1
fi
export RPM_VA_TODAY="/var/log/security/rpm-va.${CURRENT_CHECK_TYPE}.today"
RPM_VA_YESTERDAY="/var/log/security/rpm-va.${CURRENT_CHECK_TYPE}.yesterday"
RPM_VA_DIFF="/var/log/security/rpm-va.${CURRENT_CHECK_TYPE}.diff"
export RPM_VA_CONFIG_TODAY="/var/log/security/rpm-va-config.${CURRENT_CHECK_TYPE}.today"
RPM_VA_CONFIG_YESTERDAY="/var/log/security/rpm-va-config.${CURRENT_CHECK_TYPE}.yesterday"
RPM_VA_CONFIG_DIFF="/var/log/security/rpm-va-config.${CURRENT_CHECK_TYPE}.diff"
export RPM_QA_TODAY="/var/log/security/rpm-qa.${CURRENT_CHECK_TYPE}.today"
RPM_QA_YESTERDAY="/var/log/security/rpm-qa.${CURRENT_CHECK_TYPE}.yesterday"
RPM_QA_DIFF="/var/log/security/rpm-qa.${CURRENT_CHECK_TYPE}.diff"
if [[ -f ${RPM_VA_TODAY} ]]; then
mv -f ${RPM_VA_TODAY} ${RPM_VA_YESTERDAY}
fi
if [[ -f ${RPM_VA_CONFIG_TODAY} ]]; then
mv -f ${RPM_VA_CONFIG_TODAY} ${RPM_VA_CONFIG_YESTERDAY}
fi
if [[ -f ${RPM_QA_TODAY} ]]; then
mv -f ${RPM_QA_TODAY} ${RPM_QA_YESTERDAY}
fi
if [[ -f ${CHKROOTKIT_TODAY} ]]; then
mv -f ${CHKROOTKIT_TODAY} ${CHKROOTKIT_YESTERDAY}
fi
### rpm database check
# list of installed packages
if check_is_enabled "${CHECK_RPM_PACKAGES}" ; then
rpm -qa --qf "%{NAME}-%{VERSION}-%{RELEASE}\n" | sort > ${RPM_QA_TODAY}
Filter ${RPM_QA_TODAY} CHECK_RPM_PACKAGES
Count ${INFOS} ${RPM_QA_TODAY} "Total of installed packages"
Diffcheck ${RPM_QA_TODAY} ${RPM_QA_YESTERDAY} ${RPM_QA_DIFF} "packages"
fi
# integrity of installed packages
if check_is_enabled "${CHECK_RPM_INTEGRITY}" ; then
rm -f ${RPM_VA_TODAY}.tmp
nice --adjustment=+19 rpm -Va --noscripts | grep '^..5' | sort > ${RPM_VA_TODAY}.tmp
Filter ${RPM_VA_TODAY} CHECK_RPM_INTEGRITY
grep -v '^..........c.' ${RPM_VA_TODAY}.tmp | sed 's/^............//' | sort > ${RPM_VA_TODAY}
grep '^..........c.' ${RPM_VA_TODAY}.tmp | sed 's/^............//' | sort > ${RPM_VA_CONFIG_TODAY}
rm -f ${RPM_VA_TODAY}.tmp
# full check
if [[ -s ${RPM_VA_TODAY} ]]; then
printf "\nSecurity Warning: These files belonging to packages are modified on the system :\n" >> ${SECURITY}
Count ${INFOS} ${RPM_VA_TODAY} "Total of files belonging to packages that were modified since the install"
cat ${RPM_VA_TODAY} >> ${SECURITY}
fi
if [[ -s ${RPM_VA_CONFIG_TODAY} ]]; then
printf "\nSecurity Warning: These config files belonging to packages are modified on the system :\n" >> ${SECURITY}
Count ${INFOS} ${RPM_VA_CONFIG_TODAY} "Total of configuration files belonging to packages that were modified since the install"
cat ${RPM_VA_CONFIG_TODAY} >> ${SECURITY}
fi
# diff check
Diffcheck ${RPM_VA_TODAY} ${RPM_VA_YESTERDAY} ${RPM_VA_DIFF} "modifications to package files"
Diffcheck ${RPM_VA_CONFIG_TODAY} ${RPM_VA_CONFIG_YESTERDAY} ${RPM_VA_CONFIG_DIFF} "modifications to package configuration files"
fi
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