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Handle various positive and negative cases. Should handle every error and warning path when reading exceptions objects or rule exception fields, and various positive cases of using exceptions to prevent alerts. Signed-off-by: Mark Stemm <mark.stemm@gmail.com>
324 lines
8.9 KiB
YAML
324 lines
8.9 KiB
YAML
#
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# Copyright (C) 2016-2020 The Falco Authors..
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#
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# This file is part of falco.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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trace_files: !mux
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rule_exception_no_fields:
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exit_status: 1
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stdout_is: |+
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1 errors:
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Rule exception item ex1: must have fields property with a list of fields
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---
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- rule: My Rule
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desc: Some desc
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condition: evt.type=open and proc.name=cat
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output: Some output
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exceptions:
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- name: ex1
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priority: error
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---
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validate_rules_file:
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- rules/exceptions/item_no_fields.yaml
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trace_file: trace_files/cat_write.scap
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rule_exception_no_name:
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exit_status: 1
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stdout_is: |+
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1 errors:
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Rule exception item must have name property
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---
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- rule: My Rule
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desc: Some desc
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condition: evt.type=open and proc.name=cat
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output: Some output
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exceptions:
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- fields: [proc.name, fd.filename]
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priority: error
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---
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validate_rules_file:
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- rules/exceptions/item_no_name.yaml
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trace_file: trace_files/cat_write.scap
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rule_exception_append_no_name:
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exit_status: 1
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stdout_is: |+
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1 errors:
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Rule exception item must have name property
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---
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- rule: My Rule
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exceptions:
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- values:
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- [nginx, /tmp/foo]
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append: true
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---
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validate_rules_file:
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- rules/exceptions/append_item_no_name.yaml
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trace_file: trace_files/cat_write.scap
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rule_exception_unknown_fields:
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exit_status: 1
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stdout_is: |+
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1 errors:
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Rule exception item ex1: field name not.exist is not a supported filter field
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---
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- rule: My Rule
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desc: Some desc
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condition: evt.type=open and proc.name=cat
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output: Some output
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exceptions:
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- name: ex1
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fields: [not.exist]
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priority: error
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---
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validate_rules_file:
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- rules/exceptions/item_unknown_fields.yaml
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trace_file: trace_files/cat_write.scap
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rule_exception_comps_fields_len_mismatch:
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exit_status: 1
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stdout_is: |+
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1 errors:
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Rule exception item ex1: fields and comps lists must have equal length
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---
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- rule: My Rule
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desc: Some desc
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condition: evt.type=open and proc.name=cat
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output: Some output
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exceptions:
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- name: ex1
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fields: [proc.name, fd.filename]
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comps: [=]
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priority: error
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---
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validate_rules_file:
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- rules/exceptions/item_comps_fields_len_mismatch.yaml
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trace_file: trace_files/cat_write.scap
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rule_exception_unknown_comp:
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exit_status: 1
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stdout_is: |+
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1 errors:
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Rule exception item ex1: comparison operator no-comp is not a supported comparison operator
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---
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- rule: My Rule
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desc: Some desc
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condition: evt.type=open and proc.name=cat
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output: Some output
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exceptions:
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- name: ex1
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fields: [proc.name, fd.filename]
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comps: [=, no-comp]
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priority: error
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---
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validate_rules_file:
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- rules/exceptions/item_unknown_comp.yaml
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trace_file: trace_files/cat_write.scap
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rule_exception_fields_values_len_mismatch:
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exit_status: 1
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stdout_is: |+
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1 errors:
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Exception item ex1: fields and values lists must have equal length
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---
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- rule: My Rule
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desc: Some desc
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condition: evt.type=open and proc.name=cat
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output: Some output
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exceptions:
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- name: ex1
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fields: [proc.name, fd.filename]
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values:
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- [nginx]
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priority: error
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---
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validate_rules_file:
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- rules/exceptions/item_fields_values_len_mismatch.yaml
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trace_file: trace_files/cat_write.scap
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rule_exception_append_fields_values_len_mismatch:
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exit_status: 1
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stdout_is: |+
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1 errors:
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Exception item ex1: fields and values lists must have equal length
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---
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- rule: My Rule
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desc: Some desc
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condition: evt.type=open and proc.name=cat
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output: Some output
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exceptions:
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- name: ex1
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fields: [proc.name, fd.filename]
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priority: error
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- rule: My Rule
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exceptions:
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- name: ex1
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values:
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- [nginx]
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append: true
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---
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validate_rules_file:
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- rules/exceptions/append_item_fields_values_len_mismatch.yaml
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trace_file: trace_files/cat_write.scap
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rule_exception_append_item_not_in_rule:
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exit_status: 0
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stderr_contains: |+
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1 warnings:
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Rule My Rule with append=true: no set of fields matching name ex2
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validate_rules_file:
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- rules/exceptions/append_item_not_in_rule.yaml
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trace_file: trace_files/cat_write.scap
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rule_without_exception:
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exit_status: 0
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stderr_contains: |+
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1 warnings:
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Rule My Rule: consider adding an exceptions property to define supported exceptions fields
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validate_rules_file:
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- rules/exceptions/rule_without_exception.yaml
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trace_file: trace_files/cat_write.scap
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rule_exception_no_values:
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detect: True
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detect_level: WARNING
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rules_file:
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- rules/exceptions/rule_exception_no_values.yaml
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trace_file: trace_files/cat_write.scap
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rule_exception_one_value:
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detect: False
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detect_level: WARNING
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rules_file:
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- rules/exceptions/rule_exception_one_value.yaml
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trace_file: trace_files/cat_write.scap
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rule_exception_append_one_value:
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detect: False
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detect_level: WARNING
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rules_file:
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- rules/exceptions/rule_exception_append_one_value.yaml
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trace_file: trace_files/cat_write.scap
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rule_exception_second_value:
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detect: False
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detect_level: WARNING
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rules_file:
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- rules/exceptions/rule_exception_second_value.yaml
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trace_file: trace_files/cat_write.scap
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rule_exception_append_second_value:
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detect: False
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detect_level: WARNING
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rules_file:
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- rules/exceptions/rule_exception_append_second_value.yaml
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trace_file: trace_files/cat_write.scap
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rule_exception_second_item:
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detect: False
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detect_level: WARNING
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rules_file:
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- rules/exceptions/rule_exception_second_item.yaml
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trace_file: trace_files/cat_write.scap
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rule_exception_append_second_item:
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detect: False
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detect_level: WARNING
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rules_file:
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- rules/exceptions/rule_exception_append_second_item.yaml
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trace_file: trace_files/cat_write.scap
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rule_exception_third_item:
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detect: False
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detect_level: WARNING
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rules_file:
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- rules/exceptions/rule_exception_third_item.yaml
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trace_file: trace_files/cat_write.scap
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rule_exception_append_third_item:
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detect: False
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detect_level: WARNING
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rules_file:
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- rules/exceptions/rule_exception_append_third_item.yaml
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trace_file: trace_files/cat_write.scap
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rule_exception_quoted:
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detect: False
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detect_level: WARNING
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rules_file:
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- rules/exceptions/rule_exception_quoted.yaml
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trace_file: trace_files/cat_write.scap
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rule_exception_append_multiple_values:
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detect: False
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detect_level: WARNING
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rules_file:
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- rules/exceptions/rule_exception_append_multiple.yaml
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trace_file: trace_files/cat_write.scap
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rule_exception_comp:
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detect: False
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detect_level: WARNING
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rules_file:
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- rules/exceptions/rule_exception_comp.yaml
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trace_file: trace_files/cat_write.scap
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rule_exception_append_comp:
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detect: False
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detect_level: WARNING
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rules_file:
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- rules/exceptions/rule_exception_append_comp.yaml
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trace_file: trace_files/cat_write.scap
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rule_exception_values_listref:
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detect: False
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detect_level: WARNING
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rules_file:
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- rules/exceptions/rule_exception_values_listref.yaml
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trace_file: trace_files/cat_write.scap
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rule_exception_values_listref_noparens:
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detect: False
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detect_level: WARNING
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rules_file:
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- rules/exceptions/rule_exception_values_listref_noparens.yaml
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trace_file: trace_files/cat_write.scap
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rule_exception_values_list:
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detect: False
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detect_level: WARNING
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rules_file:
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- rules/exceptions/rule_exception_values_list.yaml
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trace_file: trace_files/cat_write.scap
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rule_exception_single_field:
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detect: False
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detect_level: WARNING
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rules_file:
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- rules/exceptions/rule_exception_single_field.yaml
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trace_file: trace_files/cat_write.scap
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rule_exception_single_field_append:
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detect: False
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detect_level: WARNING
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rules_file:
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- rules/exceptions/rule_exception_single_field_append.yaml
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trace_file: trace_files/cat_write.scap
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