From: Glen Choo <chooglen@google.com>
To: Junio C Hamano <gitster@pobox.com>,
Glen Choo via GitGitGadget <gitgitgadget@gmail.com>
Cc: git@vger.kernel.org, Taylor Blau <me@ttaylorr.com>,
"brian m. carlson" <sandals@crustytoothpaste.net>,
Derrick Stolee <derrickstolee@github.com>,
Emily Shaffer <emilyshaffer@google.com>
Subject: Re: [PATCH v3 1/5] Documentation: define protected configuration
Date: Fri, 03 Jun 2022 08:57:43 -0700 [thread overview]
Message-ID: <kl6l7d5xeo3s.fsf@chooglen-macbookpro.roam.corp.google.com> (raw)
In-Reply-To: <xmqqh75a1rmd.fsf@gitster.g>
Junio C Hamano <gitster@pobox.com> writes:
> "Glen Choo via GitGitGadget" <gitgitgadget@gmail.com> writes:
>
>> safe.directory::
>> - These config entries specify Git-tracked directories that are
>> - considered safe even if they are owned by someone other than the
>> - current user. By default, Git will refuse to even parse a Git
>> - config of a repository owned by someone else, let alone run its
>> - hooks, and this config setting allows users to specify exceptions,
>> - e.g. for intentionally shared repositories (see the `--shared`
>> - option in linkgit:git-init[1]).
>> + '(Protected config only) ' These config entries specify
>
> What's the SP in "only) '" doing?
Silly typo. Thanks for the catch :)
>> diff --git a/Documentation/glossary-content.txt b/Documentation/glossary-content.txt
>> index aa2f41f5e70..a669983abd6 100644
>> --- a/Documentation/glossary-content.txt
>> +++ b/Documentation/glossary-content.txt
>> @@ -483,6 +483,24 @@ exclude;;
>> head ref. If the remote <<def_head,head>> is not an
>> ancestor to the local head, the push fails.
>>
>> +[[def_protected_config]]protected configuration::
>> + Protected configuration is configuration that Git considers more
>> + trustworthy because it is unlikely to be tampered with by an
>> + attacker. For security reasons, some configuration variables are
>> + only respected when they are defined in protected configuration.
>> ++
>> +Protected configuration includes:
>> ++
>> +- system-level config, e.g. `/etc/git/config`
>> +- global config, e.g. `$XDG_CONFIG_HOME/git/config` and
>> + `$HOME/.gitconfig`
>> +Protected configuration excludes:
>> ++
>> +- repository config, e.g. `$GIT_DIR/config` and
>> + `$GIT_DIR/config.worktree`
>> +- the command line option `-c` and its equivalent environment variables
>
> The description is a bit unclear what "protected configuration"
> refers.
>
> If it is the scopes (as in "git config --show-scope") Git can trust
> more, in other words, a statement like this
>
> safe.directory is honored only when it comes from a protected
> configuration.
>
> is what you want to make easier to write by introducing a new
> phrase, perhaps use the word "scope" for more consistency? E.g.
>
> Only safe.directory that is defined in a trusted scope is
> honored.
Good point. I think using scope would be a lot clearer, and maybe I
will consider s/protected configuration/protected scope. I'm hesitant to
call the scope "trusted", because I don't want to insinuate that
repository config is "untrusted" since we _do_ trust it in most cases.
I don't think Documentation/git-config.txt has adequately defined what a
'scope' is though, even though scopes have been with us since 9acc591111
(config: add a notion of "scope", 2016-05-18). The best I could find is
"--show-scope", introduced in 145d59f482 (config: add '--show-scope' to
print the scope of a config value, 2020-02-10), which mentions scopes
but doesn't link the idea back to the specific files or CLI options
("--system", "--global", etc).
So I'll see if I can improve the docs around scopes since that will help
the language in this patch.
next prev parent reply other threads:[~2022-06-03 15:57 UTC|newest]
Thread overview: 113+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-06 18:30 [PATCH] [RFC] setup.c: make bare repo discovery optional Glen Choo via GitGitGadget
2022-05-06 20:33 ` Junio C Hamano
2022-05-09 21:42 ` Taylor Blau
2022-05-09 22:54 ` Junio C Hamano
2022-05-09 23:57 ` Taylor Blau
2022-05-10 0:23 ` Junio C Hamano
2022-05-10 22:00 ` Glen Choo
2022-05-13 23:37 ` [PATCH v2 0/2] " Glen Choo via GitGitGadget
2022-05-13 23:37 ` [PATCH v2 1/2] " Glen Choo via GitGitGadget
2022-05-16 18:12 ` Glen Choo
2022-05-16 18:46 ` Derrick Stolee
2022-05-16 22:25 ` Taylor Blau
2022-05-17 20:24 ` Glen Choo
2022-05-17 21:51 ` Glen Choo
2022-05-13 23:37 ` [PATCH v2 2/2] setup.c: learn discovery.bareRepository=cwd Glen Choo via GitGitGadget
2022-05-16 18:49 ` Derrick Stolee
2022-05-16 16:40 ` [PATCH v2 0/2] setup.c: make bare repo discovery optional Junio C Hamano
2022-05-16 18:36 ` Glen Choo
2022-05-16 19:16 ` Junio C Hamano
2022-05-16 20:27 ` Glen Choo
2022-05-16 22:16 ` Junio C Hamano
2022-05-16 16:43 ` Junio C Hamano
2022-05-16 19:07 ` Derrick Stolee
2022-05-16 22:43 ` Taylor Blau
2022-05-16 23:19 ` Junio C Hamano
2022-05-17 18:56 ` Glen Choo
2022-05-27 21:09 ` [PATCH v3 0/5] config: introduce discovery.bare and protected config Glen Choo via GitGitGadget
2022-05-27 21:09 ` [PATCH v3 1/5] Documentation: define protected configuration Glen Choo via GitGitGadget
2022-05-27 23:29 ` Junio C Hamano
2022-06-02 12:42 ` Derrick Stolee
2022-06-02 16:53 ` Junio C Hamano
2022-06-02 17:39 ` Glen Choo
2022-06-03 15:57 ` Glen Choo [this message]
2022-05-27 21:09 ` [PATCH v3 2/5] config: read protected config with `git_protected_config()` Glen Choo via GitGitGadget
2022-05-28 0:28 ` Junio C Hamano
2022-05-31 17:43 ` Glen Choo
2022-06-01 15:58 ` Junio C Hamano
2022-06-02 12:56 ` Derrick Stolee
2022-05-27 21:09 ` [PATCH v3 3/5] setup.c: create `discovery.bare` Glen Choo via GitGitGadget
2022-05-28 0:59 ` Junio C Hamano
2022-06-02 13:11 ` Derrick Stolee
2022-05-27 21:09 ` [PATCH v3 4/5] config: include "-c" in protected config Glen Choo via GitGitGadget
2022-06-02 13:15 ` Derrick Stolee
2022-05-27 21:09 ` [PATCH v3 5/5] upload-pack: make uploadpack.packObjectsHook protected Glen Choo via GitGitGadget
2022-06-02 13:18 ` Derrick Stolee
2022-06-07 20:57 ` [PATCH v4 0/5] config: introduce discovery.bare and protected config Glen Choo via GitGitGadget
2022-06-07 20:57 ` [PATCH v4 1/5] Documentation/git-config.txt: add SCOPES section Glen Choo via GitGitGadget
2022-06-07 20:57 ` [PATCH v4 2/5] Documentation: define protected configuration Glen Choo via GitGitGadget
2022-06-22 21:58 ` Jonathan Tan
2022-06-23 18:21 ` Glen Choo
2022-06-07 20:57 ` [PATCH v4 3/5] config: read protected config with `git_protected_config()` Glen Choo via GitGitGadget
2022-06-07 22:49 ` Junio C Hamano
2022-06-08 0:22 ` Glen Choo
2022-06-07 20:57 ` [PATCH v4 4/5] safe.directory: use git_protected_config() Glen Choo via GitGitGadget
2022-06-07 20:57 ` [PATCH v4 5/5] setup.c: create `discovery.bare` Glen Choo via GitGitGadget
2022-06-07 21:37 ` Glen Choo
2022-06-22 22:03 ` [PATCH v4 0/5] config: introduce discovery.bare and protected config Jonathan Tan
2022-06-23 17:13 ` Glen Choo
2022-06-23 18:32 ` Junio C Hamano
2022-06-27 17:34 ` Glen Choo
2022-06-27 18:19 ` Glen Choo
2022-06-27 18:36 ` [PATCH v5 " Glen Choo via GitGitGadget
2022-06-27 18:36 ` [PATCH v5 1/5] Documentation/git-config.txt: add SCOPES section Glen Choo via GitGitGadget
2022-06-27 18:36 ` [PATCH v5 2/5] Documentation: define protected configuration Glen Choo via GitGitGadget
2022-06-27 18:36 ` [PATCH v5 3/5] config: learn `git_protected_config()` Glen Choo via GitGitGadget
2022-06-27 18:36 ` [PATCH v5 4/5] safe.directory: use git_protected_config() Glen Choo via GitGitGadget
2022-06-27 18:36 ` [PATCH v5 5/5] setup.c: create `discovery.bare` Glen Choo via GitGitGadget
2022-06-30 13:20 ` Ævar Arnfjörð Bjarmason
2022-06-30 17:28 ` Glen Choo
2022-06-30 18:13 ` [PATCH v6 0/5] config: introduce discovery.bare and protected config Glen Choo via GitGitGadget
2022-06-30 18:13 ` [PATCH v6 1/5] Documentation/git-config.txt: add SCOPES section Glen Choo via GitGitGadget
2022-06-30 22:32 ` Taylor Blau
2022-07-06 17:44 ` Glen Choo
2022-06-30 18:13 ` [PATCH v6 2/5] Documentation: define protected configuration Glen Choo via GitGitGadget
2022-06-30 23:49 ` Taylor Blau
2022-07-06 18:21 ` Glen Choo
2022-06-30 18:13 ` [PATCH v6 3/5] config: learn `git_protected_config()` Glen Choo via GitGitGadget
2022-07-01 1:22 ` Taylor Blau
2022-07-06 22:42 ` Glen Choo
2022-06-30 18:13 ` [PATCH v6 4/5] safe.directory: use git_protected_config() Glen Choo via GitGitGadget
2022-06-30 18:13 ` [PATCH v6 5/5] setup.c: create `discovery.bare` Glen Choo via GitGitGadget
2022-07-01 1:30 ` Taylor Blau
2022-07-07 19:55 ` Glen Choo
2022-06-30 22:13 ` [PATCH v6 0/5] config: introduce discovery.bare and protected config Taylor Blau
2022-06-30 23:07 ` Ævar Arnfjörð Bjarmason
2022-07-01 17:37 ` Glen Choo
2022-07-08 21:58 ` Ævar Arnfjörð Bjarmason
2022-07-12 20:47 ` Glen Choo
2022-07-12 23:53 ` Ævar Arnfjörð Bjarmason
2022-07-07 23:01 ` [PATCH v7 " Glen Choo via GitGitGadget
2022-07-07 23:01 ` [PATCH v7 1/5] Documentation/git-config.txt: add SCOPES section Glen Choo via GitGitGadget
2022-07-07 23:43 ` Junio C Hamano
2022-07-08 17:01 ` Glen Choo
2022-07-08 19:01 ` Junio C Hamano
2022-07-08 21:38 ` Glen Choo
2022-07-07 23:01 ` [PATCH v7 2/5] Documentation: define protected configuration Glen Choo via GitGitGadget
2022-07-08 0:39 ` Junio C Hamano
2022-07-07 23:01 ` [PATCH v7 3/5] config: learn `git_protected_config()` Glen Choo via GitGitGadget
2022-07-07 23:01 ` [PATCH v7 4/5] safe.directory: use git_protected_config() Glen Choo via GitGitGadget
2022-07-07 23:01 ` [PATCH v7 5/5] setup.c: create `discovery.bare` Glen Choo via GitGitGadget
2022-07-08 1:07 ` [PATCH v7 0/5] config: introduce discovery.bare and protected config Junio C Hamano
2022-07-08 20:35 ` Glen Choo
2022-07-12 22:11 ` Glen Choo
2022-07-14 21:27 ` [PATCH v8 0/5] config: introduce safe.bareRepository " Glen Choo via GitGitGadget
2022-07-14 21:27 ` [PATCH v8 1/5] Documentation/git-config.txt: add SCOPES section Glen Choo via GitGitGadget
2022-07-14 21:27 ` [PATCH v8 2/5] Documentation: define protected configuration Glen Choo via GitGitGadget
2022-07-14 21:27 ` [PATCH v8 3/5] config: learn `git_protected_config()` Glen Choo via GitGitGadget
2022-07-25 18:26 ` SANITIZE=address failure on master (was: [PATCH v8 3/5] config: learn `git_protected_config()`) Ævar Arnfjörð Bjarmason
2022-07-25 20:15 ` Glen Choo
2022-07-25 20:41 ` Ævar Arnfjörð Bjarmason
2022-07-25 20:56 ` Glen Choo
2022-07-14 21:28 ` [PATCH v8 4/5] safe.directory: use git_protected_config() Glen Choo via GitGitGadget
2022-07-14 21:28 ` [PATCH v8 5/5] setup.c: create `safe.bareRepository` Glen Choo via GitGitGadget
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