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The cryptographic signing using ssh keys can specify literal keys
for keytypes whose name do not begin with the "ssh-" prefix by
using the "key::" prefix mechanism (e.g. "key::ecdsa-sha2-nistp256").
* fs/ssh-signing-other-keytypes:
ssh signing: make sign/amend test more resilient
ssh signing: support non ssh-* keytypes
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Do a full ssh signing, find-principals and verify operation in the test
prereq's to make sure ssh-keygen works as expected. Only generating the
keys and verifying its presence is not sufficient in some situations.
One example was ssh-keygen creating unusable ssh keys in cygwin because
of unsafe default permissions for the key files. The other a broken
openssh 8.7 that segfaulted on any find-principals operation. This
extended prereq check avoids future test breakages in case ssh-keygen or
any environment behaviour changes.
Signed-off-by: Fabian Stelzer <fs@gigacodes.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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if ssh-keygen supports -Overify-time, add test keys marked as expired,
not yet valid and valid both within the test_tick timeframe and outside of it.
Signed-off-by: Fabian Stelzer <fs@gigacodes.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The user.signingKey config for ssh signing supports either a path to a
file containing the key or for the sake of convenience a literal string
with the ssh public key. To differentiate between those two cases we
check if the first few characters contain "ssh-" which is unlikely to be
the start of a path. ssh supports other key types which are not prefixed
with "ssh-" and will currently be treated as a file path and therefore
fail to load. To remedy this we move the prefix check into its own
function and introduce the prefix `key::` for literal ssh keys. This way
we don't need to add new key types when they become available. The
existing `ssh-` prefix is retained for compatibility with current user
configs but removed from the official documentation to discourage its
use.
Signed-off-by: Fabian Stelzer <fs@gigacodes.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Reject OpenSSH 8.7 whose "ssh-keygen -Y find-principals" is
unusable from running the ssh signature tests.
* jk/ssh-signing-fix:
t/lib-gpg: avoid broken versions of ssh-keygen
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The "-Y find-principals" option of ssh-keygen seems to be broken in
Debian's openssh-client 1:8.7p1-1, whereas it works fine in 1:8.4p1-5.
This causes several failures for GPGSSH tests. We fulfill the
prerequisite because generating the keys works fine, but actually
verifying a signature causes results ranging from bogus results to
ssh-keygen segfaulting.
We can find the broken version during the prereq check by feeding it
empty input. This should result in it complaining to stderr, but in the
broken version it triggers the segfault, causing the GPGSSH tests to be
skipped.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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As well as checking that the relevant functionality is available, the
GPGSSH prerequisite check creates the SSH keys that are used by the test
functions it gates. If these keys are created in a directory that
has a default Access Control List, the key files can inherit those
permissions.
This can result in a scenario where the private keys are created
successfully, so the prerequisite check passes and the tests are run,
but the key files have permissions that are too permissive, meaning
OpenSSH will refuse to load them and the tests will fail.
To avoid this happening, before creating the keys, clear any default ACL
set on the directory that will contain them. This step allowed to fail;
if setfacl isn't present, that's a very likely indicator that the
filesystem in question simply doesn't support default ACLs.
Helped-by: Fabian Stelzer <fs@gigacodes.de>
Signed-off-by: Adam Dinwoodie <adam@dinwoodie.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Generate some ssh keys and a allowedSignersFile for testing
Signed-off-by: Fabian Stelzer <fs@gigacodes.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Test cleanup.
* jk/test-cleanup:
t/lib-*.sh: drop executable bit
t/lib-credential.sh: drop shebang line
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There's no need for shell libraries to have the executable bit. They're
meant to be sourced, and running them stand-alone is pointless. Let's
reduce any possible confusion by making it more clear they're not meant
to be run this way.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Especially when debugging a test failure that can only be reproduced in
the CI build (e.g. when the developer has no access to a macOS machine
other than running the tests on a macOS build agent), output should not
be suppressed.
In the instance of `hi/gpg-prefer-check-signature`, where one
GPG-related test failed for no apparent reason, the entire output of
`gpg` and `gpgsm` was suppressed, even in verbose mode, leaving
interested readers no clue what was going wrong.
Let's fix this by no longer redirecting the output not to `/dev/null`.
This is now possible because the affected prereqs were turned into lazy
ones (and are therefore evaluated via `test_eval_` which respects the
`--verbose` option).
Note that we _still_ redirect `stdout` to `/dev/null` for those commands
that sign their `stdin`, as the output would be binary (and useless
anyway, because the reader would not have anything against which to
compare the output).
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The code to set those prereqs is executed completely outside of any
`test_eval_` block. As a consequence, its output had to be suppressed so
that it does not clutter the output of a regular test script run.
Unfortunately, the output *stays* suppressed even when the `--verbose`
option is in effect.
This hid important output when debugging why the GPG prereq was not
enabled in the Windows part of our CI builds.
In preparation for fixing that, let's move all of this code into lazy
prereqs.
The only slightly tricky part is the global environment variable
`GNUPGHOME`. Originally, it was configured only when we verified that
there is a `gpg` in the `PATH` that we can use. This is now no longer
possible, as lazy prereqs are evaluated in a subshell that changes the
working directory to a temporary one. Therefore, we simply _always_ set
that environment variable: it does not hurt anything because it does not
indicate the presence of a working GPG.
Side note: it was quite tempting to use a hack that is possible because
we do not validate what is passed to `test_lazy_prereq` (and it is
therefore possible to "break out" of the lazy_prereq subshell:
test_lazy_prereq GPG '...) && GNUPGHOME=... && (...'
However, this is rather tricksy hobbitses code, and the current patch is
_much_ easier to understand.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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It makes no sense to call `./lib-gpg.sh`. Therefore the hash-bang line
is unnecessary.
There are other similar instances in `t/`, but they are too far from the
context of the enclosing patch series, so they will be addressed
separately.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In Git for Windows' SDK, we use the MSYS2 version of OpenSSH, meaning
that the `gpg-agent` will fail horribly when being passed a `--homedir`
that contains colons.
Previously, we did pass the Windows version of the absolute path,
though, which starts in the drive letter followed by, you guessed it, a
colon.
Let's use the same trick found elsewhere in our test suite where `$PWD`
is used to refer to the pseudo-Unix path (which works only within the
MSYS2 Bash/OpenSSH/Perl/etc, as opposed to `$(pwd)` which refers to the
Windows path that `git.exe` understands, too).
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Test fix.
* tz/gpg-test-fix:
t/lib-gpg: drop redundant killing of gpg-agent
t/lib-gpg: quote path to ${GNUPGHOME}/trustlist.txt
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In 53fc999306 ("gpg-interface t: extend the existing GPG tests with
GPGSM", 2018-07-20), the gpgconf call which kills gpg-agent was copied
from the existing gpg setup code.
The reason for killing gpg-agent is given in 29ff1f8f74 ("t: lib-gpg:
flush gpg agent on startup", 2017-07-20):
When running gpg-relevant tests, a gpg-daemon is spawned for each
GNUPGHOME used. This daemon may stay running after the test and cache
file descriptors for the trash directories, even after the trash
directory is removed. This leads to ENOENT errors when attempting to
create files if tests are run multiple times.
Add a cleanup script to force flushing the gpg-agent for that GNUPGHOME
(if any) before setting up the GPG relevant-environment.
Killing gpg-agent once per test is sufficient.
Signed-off-by: Todd Zullinger <tmz@pobox.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When gpgsm is installed, lib-gpg.sh attempts to update trustlist.txt to
relax the checking of some root certificate requirements. The path to
"${GNUPGHOME}" contains spaces which cause an "ambiguous redirect"
warning when bash is used to run the tests:
$ bash t7030-verify-tag.sh
/git/t/lib-gpg.sh: line 66: ${GNUPGHOME}/trustlist.txt: ambiguous redirect
ok 1 - create signed tags
ok 2 # skip create signed tags x509 (missing GPGSM)
...
No warning is issued when using bash called as /bin/sh, dash, or mksh.
Quote the path to ensure the redirect works as intended and sets the
GPGSM prereq. While we're here, drop the space after ">>".
Signed-off-by: Todd Zullinger <tmz@pobox.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Instead of using a line-continuation and pipe on the second line, take
advantage of the shell's implicit line continuation after a pipe
character. So for example, instead of
some long line \
| next line
use
some long line |
next line
And add a blank line before and after the pipe where it aids readability
(it usually does).
This better matches the coding style documented in
Documentation/CodingGuidelines and used in shell scripts elsewhere in
the tree.
Signed-off-by: Matthew DeVore <matvore@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add test cases to cover the new X509/gpgsm support. Most of them
resemble existing ones. They just switch the format to x509 and set the
signingkey when creating signatures. Validation of signatures does not
need any configuration of git, it does need gpgsm to be configured to
trust the key(-chain).
Several of the testcases build on top of existing gpg testcases.
The commit ships a self-signed key for committer@example.com and
configures gpgsm to trust it.
Signed-off-by: Henning Schild <henning.schild@siemens.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In 29ff1f8f74 (t: lib-gpg: flush gpg agent on startup, 2017-07-20), a
call to gpgconf was added to kill the gpg-agent. The intention was to
ignore all output from the call, but the order of the redirection needs
to be switched to ensure that both stdout and stderr are redirected to
/dev/null. Without this, gpgconf from gnupg-2.0 releases would output
'gpgconf: invalid option "--kill"' each time it was called.
Signed-off-by: Todd Zullinger <tmz@pobox.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When running gpg-relevant tests, a gpg-daemon is spawned for each
GNUPGHOME used. This daemon may stay running after the test and cache
file descriptors for the trash directories, even after the trash
directory is removed. This leads to ENOENT errors when attempting to
create files if tests are run multiple times.
Add a cleanup script to force flushing the gpg-agent for that GNUPGHOME
(if any) before setting up the GPG relevant-environment.
Helped-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Santiago Torres <santiago@nyu.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When 37d3e85 (t7004: factor out gpg setup, 2011-09-07) pulled gpg
detection code out of t7004-tag.sh and turned it into a standard test
prerequisite, it added an unconditional "missing GPG" warning when gpg
is not detected.
However, this is redundant since all tests which require GPG already
warn via either 'test_expect_success GPG' ("skipping: missing GPG") on a
test-by-test basis, or when skipping all tests in a script ("skipping
all foobar tests; missing GPG"). Consequently, the extra warning from
lib-gpg.sh is unnecessary, so retire it.
Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Some older versions of gpg (reportedly v1.2.6 from RHEL4) cannot
import the keyrings found in our test suite, and thus cannot even
make a signature. The previous change works it around, but we
cannot anticipate breakages update to GPG would cause in the future.
Do a test-sign before declaring the GPG prerequisite fulfilled
to future-proof our tests.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Since 1e3eefb (tests: replace binary GPG keyrings with
ASCII-armored keys, 2014-12-12), we import our test GPG keys
from a single file. Each keypair in the import stream
contains both the secret and public keys. However, older
versions of gpg reportedly fail to import the public half of
the key. We can solve this by including duplicates of the
public keys separately. The duplicates are ignored by modern
gpg, and this makes older versions work.
Reported by Tom G. Christensen <tgc@statsbiblioteket.dk> on
gpg 1.2.6 (from RHEL4).
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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GnuPG homedir is generated on the fly and keys are imported from
armored key file. Make comment match available key info and new key
generation procedure.
Signed-off-by: Christian Hesse <mail@eworm.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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It is distracting to let the GPG message while setting up the test
gpghome leak into the test output, especially without running these
tests with "-v" option.
The splitting of RFC1991 prerequiste part is about future-proofing.
When we want to define other kinds of specific prerequisites in the
future, we'd prefer to see it done separately from the basic set-up
code.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Importing PGP key public and security ring works, but we do not have
all secret keys in one binary blob and all public keys in another.
Instead import public and secret keys for one key pair from a text
file that holds ASCII-armored export of them.
Signed-off-by: Christian Hesse <mail@eworm.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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GnuPG >= 2.1.0 no longer supports RFC1991, so skip these tests.
Signed-off-by: Christian Hesse <mail@eworm.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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GnuPG 2.1 homedir looks different, so just create it on the fly by
importing needed private and public keys and ownertrust.
This solves an issue with gnupg 2.1 running interactive pinentry
when old secret key is present.
Signed-off-by: Christian Hesse <mail@eworm.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In a tarball extract whose files are all read-only, running GPG
tests would have failed due to unwritable files.
* mg/lib-gpg-ro-safety:
t/lib-gpg: make gpghome files writable
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t/lib-gpg.sh copies the test environment's gpg home to the trash
directory and makes sure the directoty is writable.
Make sure the copied files are writable, too.
Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The Git CodingGuidelines prefer the $(...) construct for command
substitution instead of using the backquotes `...`.
The backquoted form is the traditional method for command
substitution, and is supported by POSIX. However, all but the
simplest uses become complicated quickly. In particular, embedded
command substitutions and/or the use of double quotes require
careful escaping with the backslash character.
The patch was generated by:
for _f in $(find . -name "*.sh")
do
sed -i 's@`\(.*\)`@$(\1)@g' ${_f}
done
and then carefully proof-read.
Signed-off-by: Elia Pinto <gitter.spiros@gmail.com>
Reviewed-by: Matthieu Moy <Matthieu.Moy@imag.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The %(body) placeholder returns the whole body of a tag or
commit, including the signature. However, callers may want
to get just the body without signature, or just the
signature.
Rather than change the meaning of %(body), which might break
some scripts, this patch introduces a new set of
placeholders which break down the %(contents) placeholder
into its constituent parts.
[jk: initial patch by mg, rebased on top of my refactoring
and with tests by me]
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Other test scripts may want to look at or verify signed
tags, and the setup is non-trivial. Let's factor this out
into lib-gpg.sh for other tests to use.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Junio C Hamano
Fabian Stelzer
Jeff King
Adam Dinwoodie
Johannes Schindelin
Todd Zullinger
Matthew DeVore
Henning Schild
Santiago Torres
Eric Sunshine
Christian Hesse
Michael J Gruber
Elia Pinto
Michał Górny