echo "-------------------------------------------------" echo -e "------------ ${BLUE}CHECK SNMP BASIC CONFIG${NC} ------------" echo -e "-------------------------------------------------\n" # This does NOT check if SNMP 'monitoring server' has configured this machine # Check /etc/snmp/snmpd.conf config file echo -e "Check ${BLUE}SNMPD${NC} config file /etc/snmp/snmpd.conf" # Check if agentAddress exist but different than expected (success if return code = 1) grep "^[[:space:]]*agentAddress" /etc/snmp/snmpd.conf \ |grep -E -q -v \ -e "^[[:space:]]*agentAddress[[:space:]]*udp:127.0.0.1:161[[:space:]]*\$" \ -e "^[[:space:]]*agentAddress[[:space:]]*udp:${IPV4_ADMIN_NETWORK}[0-2]?[0-9]?[0-9]?:161[[:space:]]*\$" \ -e "^[[:space:]]*agentAddress[[:space:]]*udp6:\[::1\]:161[[:space:]]*\$" \ -e "^[[:space:]]*agentAddress[[:space:]]*udp6:\[${IPV6_ADMIN_NETWORK}[0-9,a-f,\:]*\]:161[[:space:]]*\$" # Return Code RC=$? # agentAddress other IP than expected if [ $RC -eq 0 ] then SNMP_CONFIG_CHECK_FAILED="${SNMP_CONFIG_CHECK_FAILED} SNMPD agentAddress allow connection from unexpected IP, expected :\n'agentAddress udp:IPv4AdminLANlistenAddress:161'\n'agentAddress udp6:[IPv6AdminLANlistenAddress]:161'\nOPTIONAL : 'agentAddress udp:127.0.0.1:161'\nOPTIONAL : 'agentAddress udp6:[::1]:161' ;\n" echo -e "${RED}SNMPD agentAddress allow connection from UNEXPECTED IP : check KO${NC}\n" # Does not agentAddress unexpected IP else # Check expected IP are configured (IPv4 and IPv6) (success if return code = 0) grep -E -q "^[[:space:]]*agentAddress[[:space:]]*udp:${IPV4_ADMIN_NETWORK}[0-2]?[0-9]?[0-9]?:161[[:space:]]*\$" /etc/snmp/snmpd.conf # Return Code RCa=$? grep -E -q "^[[:space:]]*agentAddress[[:space:]]*udp6:\[${IPV6_ADMIN_NETWORK}[0-9,a-f,\:]*\]:161[[:space:]]*\$" /etc/snmp/snmpd.conf # Return Code RCb=$? # Expected IP are NOT configured (IPv4 and IPv6) if [ $RCa -ne 0 ] || [ $RCb -ne 0 ] then SNMP_CONFIG_CHECK_FAILED="${SNMP_CONFIG_CHECK_FAILED} All SNMPD agentAddress expected IP (IPv4 and IPv6) are not well configured, expected :\n'agentAddress udp:IPv4AdminLANlistenAddress:161'\n'agentAddress udp6:[IPv6AdminLANlistenAddress]:161'\nOPTIONAL : 'agentAddress udp:127.0.0.1:161'\nOPTIONAL : 'agentAddress udp6:[::1]:161'\n" echo -e "${RED}All SNMPD agentAddress expected IP (IPv4 and IPv6) are NOT well CONFIGURED : check KO${NC}\n" # Expected IP are configured (IPv4 and IPv6) else echo -e "${GREEN}SNMPD agentAddress expected IP are CONFIGURED : check OK${NC}\n" fi fi # Check if rocommunity exist but different than expected (success if return code = 1) grep "^[[:space:]]*rocommunity" /etc/snmp/snmpd.conf \ |grep -q -v -e "^[[:space:]]*rocommunity[[:space:]]*public[[:space:]]*default[[:space:]]*\$" # Return Code RC=$? # Unexpected rocommunity found if [ $RC -eq 0 ] then SNMP_CONFIG_CHECK_FAILED="${SNMP_CONFIG_CHECK_FAILED} Unexpected rocommunity found, expected : rocommunity public default ;\n" echo -e "${RED}UNEXPECTED rocommunity found : check KO${NC}\n" # No unexpected rocommunity else # Check if expected rocommunity configured (success if return code = 0) grep -q "^[[:space:]]*rocommunity[[:space:]]*public[[:space:]]*default[[:space:]]*\$" /etc/snmp/snmpd.conf # Return Code RC=$? # Expected rocommunity NOT configured if [ $RC -ne 0 ] then SNMP_CONFIG_CHECK_FAILED="${SNMP_CONFIG_CHECK_FAILED} Expected rocommunity not configured, expected : rocommunity public default ;\n" echo -e "${RED} Expected rocommunity NOT CONFIGURED : check KO${NC}\n" # Expected rocommunity configured else echo -e "${GREEN}Expected rocommunity CONFIGURED : check OK${NC}\n" fi fi # Check if trapsink/trap2sink exist but different than expected (success if return code = 1) grep -E "^[[:space:]]*trap[2]?sink" /etc/snmp/snmpd.conf \ |grep -E -q -v -e "^[[:space:]]*trap[2]?sink[[:space:]]*${NAME_MASTER_MONITORING}[[:space:]]*public[[:space:]]*\$" # Return Code RC=$? # Unexpected trapsink/trap2sink found if [ $RC -eq 0 ] then SNMP_CONFIG_CHECK_FAILED="${SNMP_CONFIG_CHECK_FAILED} Unexpected trapsink/trap2sink found, expected : trap2sink ${NAME_MASTER_MONITORING} public ;" echo -e "${RED}UNEXPECTED trapsink/trap2sink found : check KO${NC}\n" # No unexpected trapsink/trap2sink else # Check if expected trapsink/trap2sink configured (success if return code = 0) grep -E -q "^[[:space:]]*trap2sink[[:space:]]*${NAME_MASTER_MONITORING}[[:space:]]*public[[:space:]]*\$" /etc/snmp/snmpd.conf # Return Code RC=$? # Expected trapsink/trap2sink NOT configured if [ $RC -ne 0 ] then SNMP_CONFIG_CHECK_FAILED="${SNMP_CONFIG_CHECK_FAILED} Expected trapsink/trap2sink not configured, expected : trap2sink ${NAME_MASTER_MONITORING} public ;" echo -e "${RED} Expected trapsink/trap2sink NOT CONFIGURED : check KO${NC}\n" # Expected trapsink/trap2sink configured else echo -e "${GREEN}Expected trapsink/trap2sink CONFIGURED : check OK${NC}\n" fi fi