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import pytest |
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import logging |
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import os |
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import ssg.controls |
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import ssg.build_yaml |
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from ssg.environment import open_environment |
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from ssg.products import load_product_yaml |
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ssg_root = os.path.dirname(os.path.dirname(os.path.dirname(os.path.dirname(__file__)))) |
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data_dir = os.path.abspath(os.path.join(os.path.dirname(__file__), "data")) |
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controls_dir = os.path.join(data_dir, "controls_dir") |
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profiles_dir = os.path.join(data_dir, "profiles_dir") |
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def _load_test(profile): |
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product_yaml = os.path.join(ssg_root, "products", "rhel8", "product.yml") |
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build_config_yaml = os.path.join(ssg_root, "build", "build_config.yml") |
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env_yaml = open_environment(build_config_yaml, product_yaml) |
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controls_manager = ssg.controls.ControlsManager(controls_dir, env_yaml) |
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controls_manager.load() |
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c_r1 = controls_manager.get_control(profile, "R1") |
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assert c_r1.title == "User session timeout" |
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assert c_r1.description == "Remote user sessions must be closed after " \ |
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"a certain period of inactivity." |
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assert c_r1.automated == "yes" |
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c_r1_rules = c_r1.selected |
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assert "sshd_set_idle_timeout" in c_r1_rules |
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assert "accounts_tmout" in c_r1_rules |
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assert "var_accounts_tmout=10_min" not in c_r1_rules |
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assert "var_accounts_tmout" in c_r1.variables |
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assert c_r1.variables["var_accounts_tmout"] == "10_min" |
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# abcd is a level-less policy |
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assert c_r1.levels == ["default"] |
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assert "vague" in c_r1.notes |
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c_r2 = controls_manager.get_control(profile, "R2") |
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assert c_r2.automated == "no" |
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assert c_r2.note == "This is individual depending on the system " \ |
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"workload therefore needs to be audited manually." |
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assert len(c_r2.selected) == 0 |
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assert not c_r2.notes |
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c_r4 = controls_manager.get_control(profile, "R4") |
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assert len(c_r4.selected) == 3 |
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c_r4_rules = c_r4.selected |
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assert "accounts_passwords_pam_faillock_deny_root" in c_r4_rules |
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assert "accounts_password_pam_minlen" in c_r4_rules |
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assert "accounts_password_pam_ocredit" in c_r4_rules |
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assert "var_password_pam_ocredit" in c_r4.variables |
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assert c_r4.variables["var_password_pam_ocredit"] == "1" |
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def test_controls_load(): |
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_load_test("abcd") |
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def test_controls_levels(): |
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product_yaml = os.path.join(ssg_root, "products", "rhel8", "product.yml") |
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build_config_yaml = os.path.join(ssg_root, "build", "build_config.yml") |
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env_yaml = open_environment(build_config_yaml, product_yaml) |
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controls_manager = ssg.controls.ControlsManager(controls_dir, env_yaml) |
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controls_manager.load() |
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# Default level is the lowest level |
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c_1 = controls_manager.get_control("abcd-levels", "S1") |
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assert c_1.levels == ["low"] |
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c_4 = controls_manager.get_control("abcd-levels", "S4") |
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assert c_4.levels == ["low"] |
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# Explicit levels |
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c_2 = controls_manager.get_control("abcd-levels", "S2") |
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assert c_2.levels == ["low"] |
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c_3 = controls_manager.get_control("abcd-levels", "S3") |
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assert c_3.levels == ["medium"] |
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c_4a = controls_manager.get_control("abcd-levels", "S4.a") |
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assert c_4a.levels == ["low"] |
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c_4b = controls_manager.get_control("abcd-levels", "S4.b") |
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assert c_4b.levels == ["high"] |
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# just the essential controls |
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low_controls = controls_manager.get_all_controls_of_level( |
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"abcd-levels", "low") |
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# essential and more advanced together |
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medium_controls = controls_manager.get_all_controls_of_level( |
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"abcd-levels", "medium") |
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high_controls = controls_manager.get_all_controls_of_level( |
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"abcd-levels", "high") |
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all_controls = controls_manager.get_all_controls("abcd-levels") |
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assert len(high_controls) == len(all_controls) |
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assert len(low_controls) <= len(high_controls) |
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assert len(low_controls) == 4 |
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assert len(medium_controls) == 5 |
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# test overriding of variables in levels |
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assert c_2.variables["var_password_pam_minlen"] == "1" |
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assert "var_password_pam_minlen" not in c_3.variables.keys() |
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assert c_4b.variables["var_password_pam_minlen"] == "2" |
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for c in low_controls: |
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if "var_password_pam_minlen" in c.variables.keys(): |
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assert c.variables["var_password_pam_minlen"] == "1" |
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for c in medium_controls: |
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if "var_password_pam_minlen" in c.variables.keys(): |
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assert c.variables["var_password_pam_minlen"] == "1" |
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for c in high_controls: |
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if "var_password_pam_minlen" in c.variables.keys(): |
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assert c.variables["var_password_pam_minlen"] == "2" |
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# now test if controls of lower level has the variable definition correctly removed |
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# because it is overriden by higher level controls |
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s2_high = [c for c in high_controls if c.id == "S2"] |
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assert len(s2_high) == 1 |
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assert "var_some_variable" not in s2_high[0].variables.keys() |
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assert "var_password_pam_minlen" not in s2_high[0].variables.keys() |
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s4b_high = [c for c in high_controls if c.id == "S4.b"] |
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assert len(s4b_high) == 1 |
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assert s4b_high[0].variables["var_some_variable"] == "3" |
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assert s4b_high[0].variables["var_password_pam_minlen"] == "2" |
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# check that in low level the variable is correctly placed there in S2 |
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s2_low = [c for c in low_controls if c.id == "S2"] |
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assert len(s2_low) == 1 |
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assert s2_low[0].variables["var_some_variable"] == "1" |
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assert s2_low[0].variables["var_password_pam_minlen"] == "1" |
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def test_controls_load_product(): |
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product_yaml = os.path.join(ssg_root, "products", "rhel8", "product.yml") |
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build_config_yaml = os.path.join(ssg_root, "build", "build_config.yml") |
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env_yaml = open_environment(build_config_yaml, product_yaml) |
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controls_manager = ssg.controls.ControlsManager(controls_dir, env_yaml) |
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controls_manager.load() |
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c_r1 = controls_manager.get_control("abcd", "R1") |
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assert c_r1.title == "User session timeout" |
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assert c_r1.description == "Remote user sessions must be closed after " \ |
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"a certain period of inactivity." |
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assert c_r1.automated == "yes" |
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c_r1_rules = c_r1.selected |
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assert "sshd_set_idle_timeout" in c_r1_rules |
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assert "accounts_tmout" in c_r1_rules |
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assert "var_accounts_tmout=10_min" not in c_r1_rules |
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assert "var_accounts_tmout" in c_r1.variables |
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assert c_r1.variables["var_accounts_tmout"] == "10_min" |
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153
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def test_profile_resolution_inline(): |
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profile_resolution( |
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ssg.build_yaml.ProfileWithInlinePolicies, "abcd-low-inline") |
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159
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def test_profile_resolution_extends_inline(): |
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profile_resolution_extends( |
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ssg.build_yaml.ProfileWithInlinePolicies, |
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"abcd-low-inline", "abcd-high-inline") |
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def test_profile_resolution_all_inline(): |
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profile_resolution_all( |
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ssg.build_yaml.ProfileWithInlinePolicies, "abcd-all-inline") |
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169
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class DictContainingAnyRule(dict): |
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def __getitem__(self, key): |
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rule = ssg.build_yaml.Rule(key) |
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rule.product = "all" |
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return rule |
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def __contains__(self, rid): |
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return True |
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def profile_resolution(cls, profile_low): |
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product_yaml = os.path.join(ssg_root, "products", "rhel8", "product.yml") |
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build_config_yaml = os.path.join(ssg_root, "build", "build_config.yml") |
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env_yaml = open_environment(build_config_yaml, product_yaml) |
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controls_manager = ssg.controls.ControlsManager(controls_dir, env_yaml) |
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controls_manager.load() |
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low_profile_path = os.path.join(profiles_dir, profile_low + ".profile") |
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profile = cls.from_yaml(low_profile_path, env_yaml) |
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all_profiles = {"abcd-low": profile} |
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rules_by_id = DictContainingAnyRule() |
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profile.resolve(all_profiles, rules_by_id, controls_manager=controls_manager) |
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# Profile 'abcd-low' selects controls R1, R2, R3 from 'abcd' policy, |
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# which should add the following rules to the profile: |
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selected = profile.get_rule_selectors() |
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assert "sshd_set_idle_timeout" in selected |
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assert "accounts_tmout" in selected |
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assert "configure_crypto_policy" in selected |
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assert "var_accounts_tmout" in profile.variables |
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# The rule "security_patches_up_to_date" has been selected directly |
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# by profile selections, not by using controls, so it should be in |
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# the resolved profile as well. |
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assert "security_patches_up_to_date" in selected |
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def profile_resolution_extends(cls, profile_low, profile_high): |
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product_yaml = os.path.join(ssg_root, "products", "rhel8", "product.yml") |
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build_config_yaml = os.path.join(ssg_root, "build", "build_config.yml") |
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env_yaml = open_environment(build_config_yaml, product_yaml) |
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# tests ABCD High profile which is defined as an extension of ABCD Low |
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controls_manager = ssg.controls.ControlsManager(controls_dir, env_yaml) |
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controls_manager.load() |
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low_profile_path = os.path.join(profiles_dir, profile_low + ".profile") |
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low_profile = cls.from_yaml(low_profile_path, env_yaml) |
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high_profile_path = os.path.join(profiles_dir, profile_high + ".profile") |
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high_profile = cls.from_yaml(high_profile_path, env_yaml) |
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all_profiles = {profile_low: low_profile, profile_high: high_profile} |
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rules_by_id = DictContainingAnyRule() |
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224
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high_profile.resolve(all_profiles, rules_by_id, controls_manager=controls_manager) |
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# Profile 'abcd-high' selects controls R1, R2, R3 from 'abcd' policy, |
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# which should add the following rules to the profile: |
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selected = high_profile.get_rule_selectors() |
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assert "sshd_set_idle_timeout" in selected |
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assert "accounts_tmout" in selected |
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assert "configure_crypto_policy" in selected |
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assert "var_accounts_tmout" in high_profile.variables |
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234
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# The rule "security_patches_up_to_date" has been selected directly by the |
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# abcd-low profile selections, not by using controls, so it should be |
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# in the resolved profile as well. |
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assert "security_patches_up_to_date" in selected |
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assert "accounts_passwords_pam_faillock_deny_root" in selected |
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assert "accounts_password_pam_minlen" in selected |
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assert "accounts_password_pam_ocredit" in selected |
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assert "var_password_pam_ocredit" in high_profile.variables |
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assert high_profile.variables["var_password_pam_ocredit"] == "2" |
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245
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246
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def profile_resolution_all(cls, profile_all): |
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product_yaml = os.path.join(ssg_root, "products", "rhel8", "product.yml") |
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248
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build_config_yaml = os.path.join(ssg_root, "build", "build_config.yml") |
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249
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env_yaml = open_environment(build_config_yaml, product_yaml) |
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250
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251
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controls_manager = ssg.controls.ControlsManager(controls_dir, env_yaml) |
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controls_manager.load() |
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profile_path = os.path.join(profiles_dir, profile_all + ".profile") |
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profile = cls.from_yaml(profile_path, env_yaml) |
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all_profiles = {profile_all: profile} |
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256
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rules_by_id = DictContainingAnyRule() |
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257
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258
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profile.resolve(all_profiles, rules_by_id, controls_manager=controls_manager) |
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260
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# Profile 'abcd-all' selects all controls from 'abcd' policy, |
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# which should add the following rules and variables to the profile: |
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262
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selected = profile.get_rule_selectors() |
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263
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assert "sshd_set_idle_timeout" in selected |
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264
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assert "accounts_tmout" in selected |
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assert "var_accounts_tmout" in profile.variables |
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assert profile.variables["var_accounts_tmout"] == "10_min" |
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assert "configure_crypto_policy" in selected |
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268
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# Rule "systemd_target_multi_user" is only "related_rules" |
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269
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|
# therefore it should not appear in the resolved profile. |
|
270
|
|
|
assert "systemd_target_multi_user" not in selected |
|
271
|
|
|
assert "accounts_passwords_pam_faillock_deny_root" in selected |
|
272
|
|
|
assert "accounts_password_pam_minlen" in selected |
|
273
|
|
|
assert "accounts_password_pam_ocredit" in selected |
|
274
|
|
|
assert "var_password_pam_ocredit" in profile.variables |
|
275
|
|
|
assert profile.variables["var_password_pam_ocredit"] == "1" |
|
276
|
|
|
|
|
277
|
|
|
# The rule "security_patches_up_to_date" has been selected directly |
|
278
|
|
|
# by profile selections, not by using controls, so it should be in |
|
279
|
|
|
# the resolved profile as well. |
|
280
|
|
|
assert "security_patches_up_to_date" in selected |
|
281
|
|
|
|
|
282
|
|
|
|
|
283
|
|
|
def test_load_control_from_folder(): |
|
284
|
|
|
_load_test("jklm") |
|
285
|
|
|
|