import udica-0.2.6-3.module+el8.7.0+16493+89f82ab8
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				| @ -0,0 +1,133 @@ | ||||
| From dd05dbe742384dd22f4a63889c56cb75e4e2f571 Mon Sep 17 00:00:00 2001 | ||||
| From: Vit Mojzis <vmojzis@redhat.com> | ||||
| Date: Tue, 9 Nov 2021 18:04:39 +0100 | ||||
| Subject: [PATCH] Make sure each section of the inspect exists before accessing | ||||
| 
 | ||||
| Fixes: https://github.com/containers/udica/issues/105, | ||||
|        https://github.com/containers/udica/issues/103 | ||||
| 
 | ||||
| Inspired by: | ||||
| https://github.com/WellIDKRealy/udica/commit/0c56d98b8c58a8a4ceb89b04d700c834c13778fd | ||||
| 
 | ||||
| Signed-off-by: Vit Mojzis <vmojzis@redhat.com> | ||||
| ---
 | ||||
|  udica/parse.py | 62 ++++++++++++++++++++++++++++++++++++++------------ | ||||
|  1 file changed, 48 insertions(+), 14 deletions(-) | ||||
| 
 | ||||
| diff --git a/udica/parse.py b/udica/parse.py
 | ||||
| index 0797095..59b3dc5 100644
 | ||||
| --- a/udica/parse.py
 | ||||
| +++ b/udica/parse.py
 | ||||
| @@ -29,6 +29,24 @@ ENGINE_DOCKER = "docker"
 | ||||
|  ENGINE_ALL = [ENGINE_PODMAN, ENGINE_CRIO, ENGINE_DOCKER] | ||||
|   | ||||
|   | ||||
| +# Decorator for verifying that getting value from "data" won't
 | ||||
| +# result in Key error or Type error
 | ||||
| +# e.g. in data[0]["HostConfig"]["Devices"]
 | ||||
| +# missing "HostConfig" key in data[0] produces KeyError and
 | ||||
| +# data[0]["HostConfig"] == none produces TypeError
 | ||||
| +def getter_decorator(function):
 | ||||
| +    # Verify that each element in path exists and return the corresponding value,
 | ||||
| +    # otherwise return [] -- can be safely processed by iterators
 | ||||
| +    def wrapper(self, data, *args):
 | ||||
| +        try:
 | ||||
| +            value = function(self, data, *args)
 | ||||
| +            return value if value else []
 | ||||
| +        except (KeyError, TypeError):
 | ||||
| +            return []
 | ||||
| +
 | ||||
| +    return wrapper
 | ||||
| +
 | ||||
| +
 | ||||
|  def json_is_podman_or_docker_format(json_rep): | ||||
|      """Check if the inspected file is in a format from docker or podman. | ||||
|   | ||||
| @@ -91,19 +109,22 @@ class EngineHelper(abc.ABC):
 | ||||
|   | ||||
|      def get_caps(self, data, opts): | ||||
|          if opts["Caps"]: | ||||
| -            if opts["Caps"] == "None":
 | ||||
| +            if opts["Caps"] in ["None", "none"]:
 | ||||
|                  return [] | ||||
|              return opts["Caps"].split(",") | ||||
|          return [] | ||||
|   | ||||
|   | ||||
|  class PodmanDockerHelper(EngineHelper): | ||||
| +    @getter_decorator
 | ||||
|      def get_devices(self, data): | ||||
|          return data[0]["HostConfig"]["Devices"] | ||||
|   | ||||
| +    @getter_decorator
 | ||||
|      def get_mounts(self, data): | ||||
|          return data[0]["Mounts"] | ||||
|   | ||||
| +    @getter_decorator
 | ||||
|      def get_ports(self, data): | ||||
|          ports = [] | ||||
|          for key, value in data[0]["NetworkSettings"]["Ports"].items(): | ||||
| @@ -120,8 +141,13 @@ class PodmanHelper(PodmanDockerHelper):
 | ||||
|      def __init__(self): | ||||
|          super().__init__(ENGINE_PODMAN) | ||||
|   | ||||
| +    @getter_decorator
 | ||||
|      def get_caps(self, data, opts): | ||||
| -        if not opts["Caps"]:
 | ||||
| +        if opts["Caps"]:
 | ||||
| +            return (
 | ||||
| +                opts["Caps"].split(",") if opts["Caps"] not in ["None", "none"] else []
 | ||||
| +            )
 | ||||
| +        else:
 | ||||
|              return data[0]["EffectiveCaps"] | ||||
|          return [] | ||||
|   | ||||
| @@ -138,18 +164,25 @@ class DockerHelper(PodmanDockerHelper):
 | ||||
|      def adjust_json_from_docker(self, json_rep): | ||||
|          """If the json comes from a docker call, we need to adjust it to make use | ||||
|          of it.""" | ||||
| -
 | ||||
| -        if not isinstance(json_rep[0]["NetworkSettings"]["Ports"], dict):
 | ||||
| -            raise Exception(
 | ||||
| -                "Error parsing docker engine inspection JSON structure, try to specify container engine using '--container-engine' parameter"
 | ||||
| -            )
 | ||||
| -
 | ||||
| -        for item in json_rep[0]["Mounts"]:
 | ||||
| -            item["source"] = item["Source"]
 | ||||
| -            if item["Mode"] == "rw":
 | ||||
| -                item["options"] = "rw"
 | ||||
| -            if item["Mode"] == "ro":
 | ||||
| -                item["options"] = "ro"
 | ||||
| +        try:
 | ||||
| +            if not isinstance(json_rep[0]["NetworkSettings"]["Ports"], dict):
 | ||||
| +                raise Exception(
 | ||||
| +                    "Error parsing docker engine inspection JSON structure, try to specify container engine using '--container-engine' parameter"
 | ||||
| +                )
 | ||||
| +        except (KeyError, TypeError):
 | ||||
| +            # "Ports" not specified in given json file
 | ||||
| +            pass
 | ||||
| +
 | ||||
| +        try:
 | ||||
| +            for item in json_rep[0]["Mounts"]:
 | ||||
| +                item["source"] = item["Source"]
 | ||||
| +                if item["Mode"] == "rw":
 | ||||
| +                    item["options"] = "rw"
 | ||||
| +                if item["Mode"] == "ro":
 | ||||
| +                    item["options"] = "ro"
 | ||||
| +        except (KeyError, TypeError):
 | ||||
| +            # "Mounts" not specified in given json file
 | ||||
| +            pass
 | ||||
|   | ||||
|   | ||||
|  class CrioHelper(EngineHelper): | ||||
| @@ -161,6 +194,7 @@ class CrioHelper(EngineHelper):
 | ||||
|          # bind mounting device on the container | ||||
|          return [] | ||||
|   | ||||
| +    @getter_decorator
 | ||||
|      def get_mounts(self, data): | ||||
|          return data["status"]["mounts"] | ||||
|   | ||||
| -- 
 | ||||
| 2.30.2 | ||||
| 
 | ||||
| @ -1,8 +1,9 @@ | ||||
| Summary: A tool for generating SELinux security policies for containers | ||||
| Name: udica | ||||
| Version: 0.2.6 | ||||
| Release: 2%{?dist} | ||||
| Release: 3%{?dist} | ||||
| Source0: https://github.com/containers/udica/archive/v%{version}.tar.gz | ||||
| Patch0: 0001-Make-sure-each-section-of-the-inspect-exists-before-.patch | ||||
| License: GPLv3+ | ||||
| BuildArch: noarch | ||||
| Url: https://github.com/containers/udica | ||||
| @ -58,7 +59,10 @@ install -m 0644 udica/man/man8/udica.8 %{buildroot}%{_mandir}/man8/udica.8 | ||||
| %endif | ||||
| 
 | ||||
| %changelog | ||||
| * Tue Sep 21 2021 Vit Mojzis <vmojzis@redhat.com> - 0.2.6-3 | ||||
| * Wed Dec 01 2021 Vit Mojzis <vmojzis@redhat.com> - 0.2.6-3 | ||||
| - Make sure each section of the inspect exists before accessing (#2027662) | ||||
| 
 | ||||
| * Tue Sep 21 2021 Vit Mojzis <vmojzis@redhat.com> - 0.2.6-2 | ||||
| - Require container-selinux shipping policy templates (#2005866) | ||||
| 
 | ||||
| * Fri Sep 17 2021 Jindrich Novy <jnovy@redhat.com> - 0.2.6-1 | ||||
|  | ||||
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