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from __future__ import absolute_import |
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from __future__ import print_function |
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import os |
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from collections import namedtuple |
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from glob import glob |
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from .build_cpe import ProductCPEs |
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from .constants import (product_directories, |
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DEFAULT_GID_MIN, |
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DEFAULT_UID_MIN, |
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DEFAULT_GRUB2_BOOT_PATH, |
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DEFAULT_GRUB2_UEFI_BOOT_PATH, |
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DEFAULT_DCONF_GDM_DIR, |
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DEFAULT_AIDE_CONF_PATH, |
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DEFAULT_AIDE_BIN_PATH, |
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DEFAULT_SSH_DISTRIBUTED_CONFIG, |
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PKG_MANAGER_TO_SYSTEM, |
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PKG_MANAGER_TO_CONFIG_FILE, |
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XCCDF_PLATFORM_TO_PACKAGE, |
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SSG_REF_URIS) |
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from .utils import merge_dicts, required_key |
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from .yaml import open_raw |
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def _validate_product_oval_feed_url(contents): |
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if "oval_feed_url" not in contents: |
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return |
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url = contents["oval_feed_url"] |
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if not url.startswith("https"): |
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msg = ( |
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"OVAL feed of product '{product}' is not available through an encrypted channel: {url}" |
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.format(product=contents["product"], url=url) |
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) |
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raise ValueError(msg) |
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def _get_implied_properties(existing_properties): |
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result = existing_properties.copy() |
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if "pkg_manager" in existing_properties: |
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pkg_manager = existing_properties["pkg_manager"] |
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if "pkg_system" not in existing_properties: |
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result["pkg_system"] = PKG_MANAGER_TO_SYSTEM[pkg_manager] |
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if "pkg_manager_config_file" not in existing_properties: |
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if pkg_manager in PKG_MANAGER_TO_CONFIG_FILE: |
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result["pkg_manager_config_file"] = PKG_MANAGER_TO_CONFIG_FILE[pkg_manager] |
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if "gid_min" not in existing_properties: |
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result["gid_min"] = DEFAULT_GID_MIN |
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if "uid_min" not in existing_properties: |
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result["uid_min"] = DEFAULT_UID_MIN |
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if "auid" not in existing_properties: |
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result["auid"] = existing_properties.get("uid_min", DEFAULT_UID_MIN) |
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if "grub2_boot_path" not in existing_properties: |
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result["grub2_boot_path"] = DEFAULT_GRUB2_BOOT_PATH |
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if "grub2_uefi_boot_path" not in existing_properties: |
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result["grub2_uefi_boot_path"] = DEFAULT_GRUB2_UEFI_BOOT_PATH |
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if "dconf_gdm_dir" not in existing_properties: |
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result["dconf_gdm_dir"] = DEFAULT_DCONF_GDM_DIR |
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if "aide_conf_path" not in existing_properties: |
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result["aide_conf_path"] = DEFAULT_AIDE_CONF_PATH |
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if "aide_bin_path" not in existing_properties: |
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result["aide_bin_path"] = DEFAULT_AIDE_BIN_PATH |
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if "sshd_distributed_config" not in existing_properties: |
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result["sshd_distributed_config"] = DEFAULT_SSH_DISTRIBUTED_CONFIG |
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return result |
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def product_yaml_path(ssg_root, product): |
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return os.path.join(ssg_root, "products", product, "product.yml") |
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def load_product_yaml(product_yaml_path): |
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""" |
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Reads a product data from disk and returns it. |
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The returned product dictionary also contains derived useful information. |
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""" |
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product_yaml = open_raw(product_yaml_path) |
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_validate_product_oval_feed_url(product_yaml) |
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# The product directory is necessary to get absolute paths to benchmark, profile and |
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# cpe directories, which are all relative to the product directory |
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product_yaml["product_dir"] = os.path.dirname(product_yaml_path) |
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platform_package_overrides = product_yaml.get("platform_package_overrides", {}) |
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# Merge common platform package mappings, while keeping product specific mappings |
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product_yaml["platform_package_overrides"] = merge_dicts(XCCDF_PLATFORM_TO_PACKAGE, |
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platform_package_overrides) |
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product_yaml.update(_get_implied_properties(product_yaml)) |
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# The product_yaml should be aware of the ProductCPEs |
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product_yaml["product_cpes"] = ProductCPEs(product_yaml) |
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reference_uris = product_yaml.get("reference_uris", {}) |
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product_yaml["reference_uris"] = merge_dicts(SSG_REF_URIS, |
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reference_uris) |
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return product_yaml |
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def get_all(ssg_root): |
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""" |
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Analyzes all products in the SSG root and sorts them into two categories: |
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those which use linux_os and those which use their own directory. Returns |
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a namedtuple of sets, (linux, other). |
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""" |
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linux_products = set() |
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other_products = set() |
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for product in product_directories: |
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product_yaml_path = os.path.join(ssg_root, "products", product, "product.yml") |
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product_yaml = load_product_yaml(product_yaml_path) |
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guide_dir = os.path.join(product_yaml["product_dir"], product_yaml['benchmark_root']) |
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guide_dir = os.path.abspath(guide_dir) |
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if 'linux_os' in guide_dir: |
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linux_products.add(product) |
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else: |
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other_products.add(product) |
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products = namedtuple('products', ['linux', 'other']) |
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return products(linux_products, other_products) |
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def get_profiles_directory(env_yaml): |
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profiles_root = None |
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if env_yaml: |
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profiles_root = required_key(env_yaml, "profiles_root") |
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return profiles_root |
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def get_profile_files_from_root(env_yaml, product_yaml): |
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profile_files = [] |
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if env_yaml: |
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profiles_root = get_profiles_directory(env_yaml) |
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base_dir = os.path.dirname(product_yaml) |
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profile_files = sorted(glob("{base_dir}/{profiles_root}/*.profile" |
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.format(profiles_root=profiles_root, base_dir=base_dir))) |
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return profile_files |
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ComplianceAsCode /
content
