recipe_gentoo/recipes/recipe_check_snmp_config.sh
2019-03-30 16:18:28 +01:00

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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 agentAddress, rocommunity and trapsink/trap2sink parameters
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