Change log for CLEARPASS

Date Changes
2024-05-05 Enhancement:
- Handled unparsing SYSLOG format logs.
- Mapped "prin_port" to "principal.port".
- Mapped "agent_ip" to "principal.ip" and "principal.asset.ip".
- Mapped "descr" and "eventDescription" to "metadata.description".
- Mapped "version" to "metadata.product_version".
- Mapped "specificTrap_name", "uptime", "enterprise", "generic_num", "specificTrap_num", and "community" to "additional.fields".
2024-01-11 Enhancement:
- Mapped "Common.NAS-IP-Address" to "target.ip".
- Mapped "Common.Service", "Common.Enforcement-Profiles", and "Common.Login-Status" to "security_result.detection_fields".
2022-08-18 Enhancement:
- Handled the dropped logs which are in CEF format and unparsed logs to improve the parsing rate.
- Mapped "metadata.event_type" to "STATUS_UPDATE" where "principal.hostname/principal.ip" is not null else mapped it as "GENERIC_EVENT".
2022-07-08 Enhancement:
- Modified mapping for "_target_user_groupid" from "target.user.groupid" to "target.user.group_identifiers".
- Modified mapping for "Common.Roles" from "principal.user.groupid" to "principal.user.group_identifiers".