| Age | Commit message (Collapse) | Author | Files | Lines |
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Migrate those run-command API users that assign directly to the "argv"
member to use a strvec_pushv() of "args" instead.
In these cases it did not make sense to further refactor these
callers, e.g. daemon.c could be made to construct the arguments closer
to handle(), but that would require moving the construction from its
cmd_main() and pass "argv" through two intermediate functions.
It would be possible for a change like this to introduce a regression
if we were doing:
cp.argv = argv;
argv[1] = "foo";
And changed the code, as is being done here, to:
strvec_pushv(&cp.args, argv);
argv[1] = "foo";
But as viewing this change with the "-W" flag reveals none of these
functions modify variable that's being pushed afterwards in a way that
would introduce such a logic error.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Code clean-up.
* ab/designated-initializers-more:
builtin/remote.c: add and use SHOW_INFO_INIT
builtin/remote.c: add and use a REF_STATES_INIT
urlmatch.[ch]: add and use URLMATCH_CONFIG_INIT
builtin/blame.c: refactor commit_info_init() to COMMIT_INFO_INIT macro
daemon.c: refactor hostinfo_init() to HOSTINFO_INIT macro
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HTTPS error handling updates.
* ab/http-pinned-public-key-mismatch:
http: check CURLE_SSL_PINNEDPUBKEYNOTMATCH when emitting errors
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Sensitive data in the HTTP trace were supposed to be redacted, but
we failed to do so in HTTP/2 requests.
* jk/http-redact-fix:
http: match headers case-insensitively when redacting
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Change the initialization pattern of "struct urlmatch_config" to use
an *_INIT macro and designated initializers. Right now there's no
other "struct" member of "struct urlmatch_config" which would require
its own *_INIT, but it's good practice not to assume that. Let's also
change this to a designated initializer while we're at it.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Change the error shown when a http.pinnedPubKey doesn't match to point
the http.pinnedPubKey variable added in aeff8a61216 (http: implement
public key pinning, 2016-02-15), e.g.:
git -c http.pinnedPubKey=sha256/someNonMatchingKey ls-remote https://github.com/git/git.git
fatal: unable to access 'https://github.com/git/git.git/' with http.pinnedPubkey configuration: SSL: public key does not match pinned public key!
Before this we'd emit the exact same thing without the " with
http.pinnedPubkey configuration". The advantage of doing this is that
we're going to get a translated message (everything after the ":" is
hardcoded in English in libcurl), and we've got a reference to the
git-specific configuration variable that's causing the error.
Unfortunately we can't test this easily, as there are no tests that
require https:// in the test suite, and t/lib-httpd.sh doesn't know
how to set up such tests. See [1] for the start of a discussion about
what it would take to have divergent "t/lib-httpd/apache.conf" test
setups. #leftoverbits
1. https://lore.kernel.org/git/YUonS1uoZlZEt+Yd@coredump.intra.peff.net/
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When HTTP/2 is in use, we fail to correctly redact "Authorization" (and
other) headers in our GIT_TRACE_CURL output.
We get the headers in our CURLOPT_DEBUGFUNCTION callback, curl_trace().
It passes them along to curl_dump_header(), which in turn checks
redact_sensitive_header(). We see the headers as a text buffer like:
Host: ...
Authorization: Basic ...
After breaking it into lines, we match each header using skip_prefix().
This is case-sensitive, even though HTTP headers are case-insensitive.
This has worked reliably in the past because these headers are generated
by curl itself, which is predictable in what it sends.
But when HTTP/2 is in use, instead we get a lower-case "authorization:"
header, and we fail to match it. The fix is simple: we should match with
skip_iprefix().
Testing is more complicated, though. We do have a test for the redacting
feature, but we don't hit the problem case because our test Apache setup
does not understand HTTP/2. You can reproduce the issue by applying this
on top of the test change in this patch:
diff --git a/t/lib-httpd/apache.conf b/t/lib-httpd/apache.conf
index afa91e38b0..19267c7107 100644
--- a/t/lib-httpd/apache.conf
+++ b/t/lib-httpd/apache.conf
@@ -29,6 +29,9 @@ ErrorLog error.log
LoadModule setenvif_module modules/mod_setenvif.so
</IfModule>
+LoadModule http2_module modules/mod_http2.so
+Protocols h2c
+
<IfVersion < 2.4>
LockFile accept.lock
</IfVersion>
@@ -64,8 +67,8 @@ LockFile accept.lock
<IfModule !mod_access_compat.c>
LoadModule access_compat_module modules/mod_access_compat.so
</IfModule>
-<IfModule !mod_mpm_prefork.c>
- LoadModule mpm_prefork_module modules/mod_mpm_prefork.so
+<IfModule !mod_mpm_event.c>
+ LoadModule mpm_event_module modules/mod_mpm_event.so
</IfModule>
<IfModule !mod_unixd.c>
LoadModule unixd_module modules/mod_unixd.so
diff --git a/t/t5551-http-fetch-smart.sh b/t/t5551-http-fetch-smart.sh
index 1c2a444ae7..ff74f0ae8a 100755
--- a/t/t5551-http-fetch-smart.sh
+++ b/t/t5551-http-fetch-smart.sh
@@ -24,6 +24,10 @@ test_expect_success 'create http-accessible bare repository' '
git push public main:main
'
+test_expect_success 'prefer http/2' '
+ git config --global http.version HTTP/2
+'
+
setup_askpass_helper
test_expect_success 'clone http repository' '
but this has a few issues:
- it's not necessarily portable. The http2 apache module might not be
available on all systems. Further, the http2 module isn't compatible
with the prefork mpm, so we have to switch to something else. But we
don't necessarily know what's available. It would be nice if we
could have conditional config, but IfModule only tells us if a
module is already loaded, not whether it is available at all.
This might be a non-issue. The http tests are already optional, and
modern-enough systems may just have both of these. But...
- if we do this, then we'd no longer be testing HTTP/1.1 at all. I'm
not sure how much that matters since it's all handled by curl under
the hood, but I'd worry that some detail leaks through. We'd
probably want two scripts running similar tests, one with HTTP/2 and
one with HTTP/1.1.
- speaking of which, a later test fails with the patch above! The
problem is that it is making sure we used a chunked
transfer-encoding by looking for that header in the trace. But
HTTP/2 doesn't support that, as it has its own streaming mechanisms
(the overall operation works fine; we just don't see the header in
the trace).
Furthermore, even with the changes above, this test still does not
detect the current failure, because we see _both_ HTTP/1.1 and HTTP/2
requests, which confuse it. Quoting only the interesting bits from the
resulting trace file, we first see:
=> Send header: GET /auth/smart/repo.git/info/refs?service=git-upload-pack HTTP/1.1
=> Send header: Connection: Upgrade, HTTP2-Settings
=> Send header: Upgrade: h2c
=> Send header: HTTP2-Settings: AAMAAABkAAQCAAAAAAIAAAAA
<= Recv header: HTTP/1.1 401 Unauthorized
<= Recv header: Date: Wed, 22 Sep 2021 20:03:32 GMT
<= Recv header: Server: Apache/2.4.49 (Debian)
<= Recv header: WWW-Authenticate: Basic realm="git-auth"
So the client asks for HTTP/2, but Apache does not do the upgrade for
the 401 response. Then the client repeats with credentials:
=> Send header: GET /auth/smart/repo.git/info/refs?service=git-upload-pack HTTP/1.1
=> Send header: Authorization: Basic <redacted>
=> Send header: Connection: Upgrade, HTTP2-Settings
=> Send header: Upgrade: h2c
=> Send header: HTTP2-Settings: AAMAAABkAAQCAAAAAAIAAAAA
<= Recv header: HTTP/1.1 101 Switching Protocols
<= Recv header: Upgrade: h2c
<= Recv header: Connection: Upgrade
<= Recv header: HTTP/2 200
<= Recv header: content-type: application/x-git-upload-pack-advertisement
So the client does properly redact there, because we're speaking
HTTP/1.1, and the server indicates it can do the upgrade. And then the
client will make further requests using HTTP/2:
=> Send header: POST /auth/smart/repo.git/git-upload-pack HTTP/2
=> Send header: authorization: Basic dXNlckBob3N0OnBhc3NAaG9zdA==
=> Send header: content-type: application/x-git-upload-pack-request
And there we can see that the credential is _not_ redacted. This part of
the test is what gets confused:
# Ensure that there is no "Basic" followed by a base64 string, but that
# the auth details are redacted
! grep "Authorization: Basic [0-9a-zA-Z+/]" trace &&
grep "Authorization: Basic <redacted>" trace
The first grep does not match the un-redacted HTTP/2 header, because
it insists on an uppercase "A". And the second one does find the
HTTP/1.1 header. So as far as the test is concerned, everything is OK,
but it failed to notice the un-redacted lines.
We can make this test (and the other related ones) more robust by adding
"-i" to grep case-insensitively. This isn't really doing anything for
now, since we're not actually speaking HTTP/2, but it future-proofs the
tests for a day when we do (either we add explicit HTTP/2 test support,
or it's eventually enabled by default by our Apache+curl test setup).
And it doesn't hurt in the meantime for the tests to be more careful.
The change to use "grep -i", coupled with the changes to use HTTP/2
shown above, causes the test to fail with the current code, and pass
after this patch is applied.
And finally, there's one other way to demonstrate the issue (and how I
actually found it originally). Looking at GIT_TRACE_CURL output against
github.com, you'll see the unredacted output, even if you didn't set
http.version. That's because setting it is only necessary for curl to
send the extra headers in its HTTP/1.1 request that say "Hey, I speak
HTTP/2; upgrade if you do, too". But for a production site speaking
https, the server advertises via ALPN, a TLS extension, that it supports
HTTP/2, and the client can immediately start using it.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Use the new git-curl-compat.h header to define CURL_SOCKOPT_OK to its
known value if we're on an older curl version that doesn't have it. It
was hardcoded in http.c in a15d069a198 (http: enable keepalive on TCP
sockets, 2013-10-12).
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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As discussed in 644de29e220 (http: drop support for curl < 7.19.4,
2021-07-30) checking against LIBCURL_VERSION_NUM isn't as reliable as
checking specific symbols present in curl, as some distros have been
known to backport features.
However, while some of the curl_easy_setopt() arguments we rely on are
macros, others are enum, and we can't assume that those that are
macros won't change into enums in the future.
So we're still going to have to check LIBCURL_VERSION_NUM, but by
doing that in one central place and using a macro definition of our
own, anyone who's backporting features can define it themselves, and
thus have access to more modern curl features that they backported,
even if they didn't bump the LIBCURL_VERSION_NUM.
More importantly, as shown in a preceding commit doing these version
checks makes for hard to read and possibly buggy code, as shown by the
bug fixed there where we were conflating base 10 for base 16 when
comparing the version.
By doing them all in one place we'll hopefully reduce the chances of
such future mistakes, furthermore it now becomes easier to see at a
glance what the oldest supported version is, which makes it easier to
reason about any future deprecation similar to the recent
e48a623dea0 (Merge branch 'ab/http-drop-old-curl', 2021-08-24).
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In aeff8a61216 (http: implement public key pinning, 2016-02-15) a
dependency and warning() was added if curl older than 7.44.0 was used,
but the relevant code depended on CURLOPT_PINNEDPUBLICKEY, introduced
in 7.39.0.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In d73019feb44 (http: add support selecting http version, 2018-11-08)
a dependency was added on CURL_HTTP_VERSION_2, but this feature was
introduced in curl version 7.43.0, not 7.47.0, as the incorrect
version check led us to believe.
As looking through the history of that commit on the mailing list will
reveal[1], the reason for this is that an earlier version of it
depended on CURL_HTTP_VERSION_2TLS, which was introduced in libcurl
7.47.0.
But the version that made it in in d73019feb44 had dropped the
dependency on CURL_HTTP_VERSION_2TLS, but the corresponding version
check was not corrected.
The newest symbol we depend on is CURL_HTTP_VERSION_2. It was added in
7.33.0, but the CURL_HTTP_VERSION_2 alias we used was added in
7.47.0. So we could support an even older version here, but let's just
correct the checked version.
1. https://lore.kernel.org/git/pull.69.git.gitgitgadget@gmail.com/
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In 644de29e220 (http: drop support for curl < 7.19.4, 2021-07-30) we
dropped support for curl < 7.19.4, so we can drop support for this
non-obvious dependency on curl < 7.18.0.
It's non-obvious because in curl's hex version notation 0x071800 is
version 7.24.0, *not* 7.18.0, so at a glance this patch looks
incorrect.
But it's correct, because the existing version check being removed
here is wrong. The check guards use of the following curl defines:
CURLPROXY_SOCKS4 7.10
CURLPROXY_SOCKS4A 7.18.0
CURLPROXY_SOCKS5 7.10
CURLPROXY_SOCKS5_HOSTNAME 7.18.0
I.e. the oldest version that has these is in fact 7.18.0, not
7.24.0. That we were checking 7.24.0 is just an mistake in
6d7afe07f29 (remote-http(s): support SOCKS proxies, 2015-10-26),
i.e. its author confusing base 10 and base 16.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The CURLOPT_FILE name is an alias for CURLOPT_WRITEDATA, the
CURLOPT_WRITEDATA name has been preferred since curl 7.9.7, released
in May 2002[1].
1. https://curl.se/libcurl/c/CURLOPT_WRITEDATA.html
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Remove the conditional use of CURLAUTH_DIGEST_IE and
CURLOPT_USE_SSL. These two have been split from earlier simpler checks
against LIBCURL_VERSION_NUM for ease of review.
According to
https://github.com/curl/curl/blob/master/docs/libcurl/symbols-in-versions
the CURLAUTH_DIGEST_IE flag became available in 7.19.3, and
CURLOPT_USE_SSL in 7.17.0.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In the last commit we dropped support for curl < 7.16.0, let's
continue that and drop support for versions older than 7.19.3. This
allows us to simplify the code by getting rid of some "#ifdef"'s.
Git was broken with vanilla curl < 7.19.4 from v2.12.0 until
v2.15.0. Compiling with it was broken by using CURLPROTO_* outside any
"#ifdef" in aeae4db174 (http: create function to get curl allowed
protocols, 2016-12-14), and fixed in v2.15.0 in f18777ba6ef (http: fix
handling of missing CURLPROTO_*, 2017-08-11).
It's unclear how much anyone was impacted by that in practice, since
as noted in [1] RHEL versions using curl older than that still
compiled, because RedHat backported some features. Perhaps other
vendors did the same.
Still, it's one datapoint indicating that it wasn't in active use at
the time. That (the v2.12.0 release) was in Feb 24, 2017, with v2.15.0
on Oct 30, 2017, it's now mid-2021.
1. http://lore.kernel.org/git/c8a2716d-76ac-735c-57f9-175ca3acbcb0@jupiterrise.com;
followed-up by f18777ba6ef (http: fix handling of missing CURLPROTO_*,
2017-08-11)
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In the last commit we dropped support for curl < 7.11.1, let's
continue that and drop support for versions older than 7.16.0. This
allows us to get rid of some now-obsolete #ifdefs.
Choosing 7.16.0 is a somewhat arbitrary cutoff:
1. It came out in October of 2006, almost 15 years ago.
Besides being a nice round number, around 10 years is
a common end-of-life support period, even for conservative
distributions.
2. That version introduced the curl_multi interface, which
gives us a lot of bang for the buck in removing #ifdefs
RHEL 5 came with curl 7.15.5[1] (released in August 2006). RHEL 5's
extended life cycle program ended on 2020-11-30[1]. RHEL 6 comes with
curl 7.19.7 (released in November 2009), and RHEL 7 comes with
7.29.0 (released in February 2013).
1. http://lore.kernel.org/git/873e1f31-2a96-5b72-2f20-a5816cad1b51@jupiterrise.com
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Drop support for this ancient version of curl and simplify the code by
allowing us get rid of some "#ifdef"'s.
Git will not build with vanilla curl older than 7.11.1 due our use of
CURLOPT_POSTFIELDSIZE in 37ee680d9b
(http.postbuffer: allow full range of ssize_t values,
2017-04-11). This field was introduced in curl 7.11.1.
We could solve these compilation problems with more #ifdefs,
but it's not worth the trouble. Version 7.11.1 came out in
March of 2004, over 17 years ago. Let's declare that too old
and drop any existing ifdefs that go further back. One
obvious benefit is that we'll have fewer conditional bits
cluttering the code.
This patch drops all #ifdefs that reference older versions
(note that curl's preprocessor macros are in hex, so we're
looking for 070b01, not 071101).
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Regression fix for a change made during this cycle.
* cs/http-use-basic-after-failed-negotiate:
Revert "remote-curl: fall back to basic auth if Negotiate fails"
t5551: test http interaction with credential helpers
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This reverts commit 1b0d9545bb85912a16b367229d414f55d140d3be.
That commit does fix the situation it intended to (avoiding Negotiate
even when the credentials were provided in the URL), but it creates a
more serious regression: we now never hit the conditional for "we had a
username and password, tried them, but the server still gave us a 401".
That has two bad effects:
1. we never call credential_reject(), and thus a bogus credential
stored by a helper will live on forever
2. we never return HTTP_NOAUTH, so the error message the user gets is
"The requested URL returned error: 401", instead of "Authentication
failed".
Doing this correctly seems non-trivial, as we don't know whether the
Negotiate auth was a problem. Since this is a regression in the upcoming
v2.23.0 release (for which we're in -rc0), let's revert for now and work
on a fix separately.
(Note that this isn't a pure revert; the previous commit added a test
showing the regression, so we can now flip it to expect_success).
Reported-by: Ben Humphreys <behumphreys@atlassian.com>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When we're hashing a value which is going to be an object ID, we want to
zero-pad that value if necessary. To do so, use the final_oid_fn
instead of the final_fn anytime we're going to create an object ID to
ensure we perform this operation.
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When accessing a server with a URL like https://user:pass@site/, we
did not to fall back to the basic authentication with the
credential material embedded in the URL after the "Negotiate"
authentication failed. Now we do.
* cs/http-use-basic-after-failed-negotiate:
remote-curl: fall back to basic auth if Negotiate fails
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The http codepath learned to let the credential layer to cache the
password used to unlock a certificate that has successfully been
used.
* js/http-pki-credential-store:
http: drop the check for an empty proxy password before approving
http: store credential when PKI auth is used
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When the username and password are supplied in a url like this
https://myuser:secret@git.exampe/myrepo.git and the server supports the
negotiate authenticaten method, git does not fall back to basic auth and
libcurl hardly tries to authenticate with the negotiate method.
Stop using the Negotiate authentication method after the first failure
because if it fails on the first try it will never succeed.
Signed-off-by: Christopher Schenk <christopher@cschenk.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add and apply a semantic patch for converting code that open-codes
CALLOC_ARRAY to use it instead. It shortens the code and infers the
element size automatically.
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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credential_approve() already checks for a non-empty password before
saving, so there's no need to do the extra check here.
Signed-off-by: John Szakmeister <john@szakmeister.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We already looked for the PKI credentials in the credential store, but
failed to approve it on success. Meaning, the PKI certificate password
was never stored and git would request it on every connection to the
remote. Let's complete the chain by storing the certificate password on
success.
Likewise, we also need to reject the credential when there is a failure.
Curl appears to report client-related certificate issues are reported
with the CURLE_SSL_CERTPROBLEM error. This includes not only a bad
password, but potentially other client certificate related problems.
Since we cannot get more information from curl, we'll go ahead and
reject the credential upon receiving that error, just to be safe and
avoid caching or saving a bad password.
Signed-off-by: John Szakmeister <john@szakmeister.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Currently, when fetching, packfiles referenced by URIs are run through
index-pack without any arguments other than --stdin and --keep, no
matter what arguments are used for the packfile that is inline in the
fetch response. As a preparation for ensuring that all packs (whether
inline or not) use the same index-pack arguments, teach the http
subsystem to allow custom index-pack arguments.
http-fetch has been updated to use the new API. For now, it passes
--keep alone instead of --keep with a process ID, but this is only
temporary because http-fetch itself will be taught to accept index-pack
parameters (instead of using a hardcoded constant) in a subsequent
commit.
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Code which split an argv_array call across multiple lines, like:
argv_array_pushl(&args, "one argument",
"another argument", "and more",
NULL);
was recently mechanically renamed to use strvec, which results in
mis-matched indentation like:
strvec_pushl(&args, "one argument",
"another argument", "and more",
NULL);
Let's fix these up to align the arguments with the opening paren. I did
this manually by sifting through the results of:
git jump grep 'strvec_.*,$'
and liberally applying my editor's auto-format. Most of the changes are
of the form shown above, though I also normalized a few that had
originally used a single-tab indentation (rather than our usual style of
aligning with the open paren). I also rewrapped a couple of obvious
cases (e.g., where previously too-long lines became short enough to fit
on one), but I wasn't aggressive about it. In cases broken to three or
more lines, the grouping of arguments is sometimes meaningful, and it
wasn't worth my time or reviewer time to ponder each case individually.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We eventually want to drop the argv_array name and just use strvec
consistently. There's no particular reason we have to do it all at once,
or care about interactions between converted and unconverted bits.
Because of our preprocessor compat layer, the names are interchangeable
to the compiler (so even a definition and declaration using different
names is OK).
This patch converts remaining files from the first half of the alphabet,
to keep the diff to a manageable size.
The conversion was done purely mechanically with:
git ls-files '*.c' '*.h' |
xargs perl -i -pe '
s/ARGV_ARRAY/STRVEC/g;
s/argv_array/strvec/g;
'
and then selectively staging files with "git add '[abcdefghjkl]*'".
We'll deal with any indentation/style fallouts separately.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The "fetch/clone" protocol has been updated to allow the server to
instruct the clients to grab pre-packaged packfile(s) in addition
to the packed object data coming over the wire.
* jt/cdn-offload:
upload-pack: fix a sparse '0 as NULL pointer' warning
upload-pack: send part of packfile response as uri
fetch-pack: support more than one pack lockfile
upload-pack: refactor reading of pack-objects out
Documentation: add Packfile URIs design doc
Documentation: order protocol v2 sections
http-fetch: support fetching packfiles by URL
http-fetch: refactor into function
http: refactor finish_http_pack_request()
http: use --stdin when indexing dumb HTTP pack
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Teach http-fetch the ability to download packfiles directly, given a
URL, and to verify them.
The http_pack_request suite has been augmented with a function that
takes a URL directly. With this function, the hash is only used to
determine the name of the temporary file.
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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finish_http_pack_request() does multiple tasks, including some
housekeeping on a struct packed_git - (1) closing its index, (2)
removing it from a list, and (3) installing it. These concerns are
independent of fetching a pack through HTTP: they are there only because
(1) the calling code opens the pack's index before deciding to fetch it,
(2) the calling code maintains a list of packfiles that can be fetched,
and (3) the calling code fetches it in order to make use of its objects
in the same process.
In preparation for a subsequent commit, which adds a feature that does
not need any of this housekeeping, remove (1), (2), and (3) from
finish_http_pack_request(). (2) and (3) are now done by a helper
function, and (1) is the responsibility of the caller (in this patch,
done closer to the point where the pack index is opened).
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When Git fetches a pack using dumb HTTP, (among other things) it invokes
index-pack on a ".pack.temp" packfile, specifying the filename as an
argument.
A future commit will require the aforementioned invocation of index-pack
to also generate a "keep" file. To use this, we either have to use
index-pack's naming convention (because --keep requires the pack's
filename to end with ".pack") or to pass the pack through stdin. Of the
two, it is simpler to pass the pack through stdin.
Thus, teach http to pass --stdin to index-pack. As a bonus, the code is
now simpler.
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In trace output (when GIT_TRACE_CURL is true), redact the values of all
HTTP cookies by default. Now that auth headers (since the implementation
of GIT_TRACE_CURL in 74c682d3c6 ("http.c: implement the GIT_TRACE_CURL
environment variable", 2016-05-24)) and cookie values (since this
commit) are redacted by default in these traces, also allow the user to
inhibit these redactions through an environment variable.
Since values of all cookies are now redacted by default,
GIT_REDACT_COOKIES (which previously allowed users to select individual
cookies to redact) now has no effect.
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Whenever GIT_CURL_VERBOSE is set, teach Git to behave as if
GIT_TRACE_CURL=1 and GIT_TRACE_CURL_NO_DATA=1 is set, instead of setting
CURLOPT_VERBOSE.
This is to prevent inadvertent revelation of sensitive data. In
particular, GIT_CURL_VERBOSE redacts neither the "Authorization" header
nor any cookies specified by GIT_REDACT_COOKIES.
Unifying the tracing mechanism also has the future benefit that any
improvements to the tracing mechanism will benefit both users of
GIT_CURL_VERBOSE and GIT_TRACE_CURL, and we do not need to remember to
implement any improvement twice.
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This merges up the security fix from v2.17.5.
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
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This merges up the security fix from v2.17.5.
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
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This merges up the security fix from v2.17.5.
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
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This merges up the security fix from v2.17.5.
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
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This merges up the security fix from v2.17.5.
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
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This merges up the security fix from v2.17.5.
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
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This merges up the security fix from v2.17.5.
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
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This merges up the security fix from v2.17.5.
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
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We may feed a URL like "cert:///path/to/cert.pem" into the credential
machinery to get the key for a client-side certificate. That
credential has no hostname field, which is about to be disallowed (to
avoid confusion with protocols where a helper _would_ expect a
hostname).
This means as of the next patch, credential helpers won't work for
unlocking certs. Let's fix that by doing two things:
- when we parse a url with an empty host, set the host field to the
empty string (asking only to match stored entries with an empty
host) rather than NULL (asking to match _any_ host).
- when we build a cert:// credential by hand, similarly assign an
empty string
It's the latter that is more likely to impact real users in practice,
since it's what's used for http connections. But we don't have good
infrastructure to test it.
The url-parsing version will help anybody using git-credential in a
script, and is easy to test.
Signed-off-by: Jeff King <peff@peff.net>
Reviewed-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
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A handful of options to configure SSL when talking to proxies have
been added.
* js/https-proxy-config:
http: add environment variable support for HTTPS proxies
http: add client cert support for HTTPS proxies
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Add 4 environment variables that can be used to configure the proxy
cert, proxy ssl key, the proxy cert password protected flag, and the
CA info for the proxy.
Documentation for the options was also updated.
Signed-off-by: Jorge Lopez Silva <jalopezsilva@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Git supports performing connections to HTTPS proxies, but we don't
support doing mutual authentication with them (through TLS).
Add the necessary options to be able to send a client certificate to
the HTTPS proxy.
A client certificate can provide an alternative way of authentication
instead of using 'ProxyAuthorization' or other more common methods of
authentication. Libcurl supports this functionality already, so changes
are somewhat minimal. The feature is guarded by the first available
libcurl version that supports these options.
4 configuration options are added and documented, cert, key, cert
password protected and CA info. The CA info should be used to specify a
different CA path to validate the HTTPS proxy cert.
Signed-off-by: Jorge Lopez Silva <jalopezsilva@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add a function for inserting a C string into a strbuf. Use it
throughout the source to get rid of magic string length constants and
explicit strlen() calls.
Like strbuf_addstr(), implement it as an inline function to avoid the
implicit strlen() calls to cause runtime overhead.
Helped-by: Taylor Blau <me@ttaylorr.com>
Helped-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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HTTP transport had possible allocator/deallocator mismatch, which
has been corrected.
* cb/curl-use-xmalloc:
remote-curl: unbreak http.extraHeader with custom allocators
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Ævar Arnfjörð Bjarmason
Junio C Hamano
Jeff King
brian m. carlson
Christopher Schenk
René Scharfe
John Szakmeister
Jonathan Tan
Jonathan Nieder
Jorge Lopez Silva