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git/t/t5551-http-fetch-smart.sh
Jeff King b66c77a64e http: match headers case-insensitively when redacting 
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>
2021-09-22 21:24:58 -07:00

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#!/bin/sh
test_description='test smart fetching over http via http-backend'
GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
. ./test-lib.sh
. "$TEST_DIRECTORY"/lib-httpd.sh
start_httpd
test_expect_success 'setup repository' '
git config push.default matching &&
echo content >file &&
git add file &&
git commit -m one
'
test_expect_success 'create http-accessible bare repository' '
mkdir "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&
(cd "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&
git --bare init
) &&
git remote add public "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&
git push public main:main
'
setup_askpass_helper
test_expect_success 'clone http repository' '
cat >exp <<-\EOF &&
> GET /smart/repo.git/info/refs?service=git-upload-pack HTTP/1.1
> Accept: */*
> Accept-Encoding: ENCODINGS
> Pragma: no-cache
< HTTP/1.1 200 OK
< Pragma: no-cache
< Cache-Control: no-cache, max-age=0, must-revalidate
< Content-Type: application/x-git-upload-pack-advertisement
> POST /smart/repo.git/git-upload-pack HTTP/1.1
> Accept-Encoding: ENCODINGS
> Content-Type: application/x-git-upload-pack-request
> Accept: application/x-git-upload-pack-result
> Content-Length: xxx
< HTTP/1.1 200 OK
< Pragma: no-cache
< Cache-Control: no-cache, max-age=0, must-revalidate
< Content-Type: application/x-git-upload-pack-result
EOF
GIT_TRACE_CURL=true GIT_TEST_PROTOCOL_VERSION=0 \
git clone --quiet $HTTPD_URL/smart/repo.git clone 2>err &&
test_cmp file clone/file &&
tr '\''\015'\'' Q <err |
sed -e "
s/Q\$//
/^[*] /d
/^== Info:/d
/^=> Send header, /d
/^=> Send header:$/d
/^<= Recv header, /d
/^<= Recv header:$/d
s/=> Send header: //
s/= Recv header://
/^<= Recv data/d
/^=> Send data/d
/^$/d
/^< $/d
/^[^><]/{
s/^/> /
}
/^> User-Agent: /d
/^> Host: /d
/^> POST /,$ {
/^> Accept: [*]\\/[*]/d
}
s/^> Content-Length: .*/> Content-Length: xxx/
/^> 00..want /d
/^> 00.*done/d
/^< Server: /d
/^< Expires: /d
/^< Date: /d
/^< Content-Length: /d
/^< Transfer-Encoding: /d
" >actual &&
# NEEDSWORK: If the overspecification of the expected result is reduced, we
# might be able to run this test in all protocol versions.
if test "$GIT_TEST_PROTOCOL_VERSION" = 0
then
sed -e "s/^> Accept-Encoding: .*/> Accept-Encoding: ENCODINGS/" \
actual >actual.smudged &&
test_cmp exp actual.smudged &&
grep "Accept-Encoding:.*gzip" actual >actual.gzip &&
test_line_count = 2 actual.gzip
fi
'
test_expect_success 'fetch changes via http' '
echo content >>file &&
git commit -a -m two &&
git push public &&
(cd clone && git pull) &&
test_cmp file clone/file
'
test_expect_success 'used upload-pack service' '
cat >exp <<-\EOF &&
GET /smart/repo.git/info/refs?service=git-upload-pack HTTP/1.1 200
POST /smart/repo.git/git-upload-pack HTTP/1.1 200
GET /smart/repo.git/info/refs?service=git-upload-pack HTTP/1.1 200
POST /smart/repo.git/git-upload-pack HTTP/1.1 200
EOF
# NEEDSWORK: If the overspecification of the expected result is reduced, we
# might be able to run this test in all protocol versions.
if test "$GIT_TEST_PROTOCOL_VERSION" = 0
then
check_access_log exp
fi
'
test_expect_success 'follow redirects (301)' '
git clone $HTTPD_URL/smart-redir-perm/repo.git --quiet repo-p
'
test_expect_success 'follow redirects (302)' '
git clone $HTTPD_URL/smart-redir-temp/repo.git --quiet repo-t
'
test_expect_success 'redirects re-root further requests' '
git clone $HTTPD_URL/smart-redir-limited/repo.git repo-redir-limited
'
test_expect_success 're-rooting dies on insane schemes' '
test_must_fail git clone $HTTPD_URL/insane-redir/repo.git insane
'
test_expect_success 'clone from password-protected repository' '
echo two >expect &&
set_askpass user@host pass@host &&
git clone --bare "$HTTPD_URL/auth/smart/repo.git" smart-auth &&
expect_askpass both user@host &&
git --git-dir=smart-auth log -1 --format=%s >actual &&
test_cmp expect actual
'
test_expect_success 'clone from auth-only-for-push repository' '
echo two >expect &&
set_askpass wrong &&
git clone --bare "$HTTPD_URL/auth-push/smart/repo.git" smart-noauth &&
expect_askpass none &&
git --git-dir=smart-noauth log -1 --format=%s >actual &&
test_cmp expect actual
'
test_expect_success 'clone from auth-only-for-objects repository' '
echo two >expect &&
set_askpass user@host pass@host &&
git clone --bare "$HTTPD_URL/auth-fetch/smart/repo.git" half-auth &&
expect_askpass both user@host &&
git --git-dir=half-auth log -1 --format=%s >actual &&
test_cmp expect actual
'
test_expect_success 'no-op half-auth fetch does not require a password' '
set_askpass wrong &&
# NEEDSWORK: When using HTTP(S), protocol v0 supports a "half-auth"
# configuration with authentication required only when downloading
# objects and not refs, by having the HTTP server only require
# authentication for the "git-upload-pack" path and not "info/refs".
# This is not possible with protocol v2, since both objects and refs
# are obtained from the "git-upload-pack" path. A solution to this is
# to teach the server and client to be able to inline ls-refs requests
# as an Extra Parameter (see pack-protocol.txt), so that "info/refs"
# can serve refs, just like it does in protocol v0.
GIT_TEST_PROTOCOL_VERSION=0 git --git-dir=half-auth fetch &&
expect_askpass none
'
test_expect_success 'redirects send auth to new location' '
set_askpass user@host pass@host &&
git -c credential.useHttpPath=true \
clone $HTTPD_URL/smart-redir-auth/repo.git repo-redir-auth &&
expect_askpass both user@host auth/smart/repo.git
'
test_expect_success 'GIT_TRACE_CURL redacts auth details' '
rm -rf redact-auth trace &&
set_askpass user@host pass@host &&
GIT_TRACE_CURL="$(pwd)/trace" git clone --bare "$HTTPD_URL/auth/smart/repo.git" redact-auth &&
expect_askpass both user@host &&
# Ensure that there is no "Basic" followed by a base64 string, but that
# the auth details are redacted
! grep -i "Authorization: Basic [0-9a-zA-Z+/]" trace &&
grep -i "Authorization: Basic <redacted>" trace
'
test_expect_success 'GIT_CURL_VERBOSE redacts auth details' '
rm -rf redact-auth trace &&
set_askpass user@host pass@host &&
GIT_CURL_VERBOSE=1 git clone --bare "$HTTPD_URL/auth/smart/repo.git" redact-auth 2>trace &&
expect_askpass both user@host &&
# Ensure that there is no "Basic" followed by a base64 string, but that
# the auth details are redacted
! grep -i "Authorization: Basic [0-9a-zA-Z+/]" trace &&
grep -i "Authorization: Basic <redacted>" trace
'
test_expect_success 'GIT_TRACE_CURL does not redact auth details if GIT_TRACE_REDACT=0' '
rm -rf redact-auth trace &&
set_askpass user@host pass@host &&
GIT_TRACE_REDACT=0 GIT_TRACE_CURL="$(pwd)/trace" \
git clone --bare "$HTTPD_URL/auth/smart/repo.git" redact-auth &&
expect_askpass both user@host &&
grep -i "Authorization: Basic [0-9a-zA-Z+/]" trace
'
test_expect_success 'disable dumb http on server' '
git --git-dir="$HTTPD_DOCUMENT_ROOT_PATH/repo.git" \
config http.getanyfile false
'
test_expect_success 'GIT_SMART_HTTP can disable smart http' '
(GIT_SMART_HTTP=0 &&
export GIT_SMART_HTTP &&
cd clone &&
test_must_fail git fetch)
'
test_expect_success 'invalid Content-Type rejected' '
test_must_fail git clone $HTTPD_URL/broken_smart/repo.git 2>actual &&
test_i18ngrep "not valid:" actual
'
test_expect_success 'create namespaced refs' '
test_commit namespaced &&
git push public HEAD:refs/namespaces/ns/refs/heads/main &&
git --git-dir="$HTTPD_DOCUMENT_ROOT_PATH/repo.git" \
symbolic-ref refs/namespaces/ns/HEAD refs/namespaces/ns/refs/heads/main
'
test_expect_success 'smart clone respects namespace' '
git clone "$HTTPD_URL/smart_namespace/repo.git" ns-smart &&
echo namespaced >expect &&
git --git-dir=ns-smart/.git log -1 --format=%s >actual &&
test_cmp expect actual
'
test_expect_success 'dumb clone via http-backend respects namespace' '
git --git-dir="$HTTPD_DOCUMENT_ROOT_PATH/repo.git" \
config http.getanyfile true &&
GIT_SMART_HTTP=0 git clone \
"$HTTPD_URL/smart_namespace/repo.git" ns-dumb &&
echo namespaced >expect &&
git --git-dir=ns-dumb/.git log -1 --format=%s >actual &&
test_cmp expect actual
'
test_expect_success 'cookies stored in http.cookiefile when http.savecookies set' '
cat >cookies.txt <<-\EOF &&
127.0.0.1 FALSE /smart_cookies/ FALSE 0 othername othervalue
EOF
sort >expect_cookies.txt <<-\EOF &&
127.0.0.1 FALSE /smart_cookies/ FALSE 0 othername othervalue
127.0.0.1 FALSE /smart_cookies/repo.git/info/ FALSE 0 name value
EOF
git config http.cookiefile cookies.txt &&
git config http.savecookies true &&
git ls-remote $HTTPD_URL/smart_cookies/repo.git main &&
# NEEDSWORK: If the overspecification of the expected result is reduced, we
# might be able to run this test in all protocol versions.
if test "$GIT_TEST_PROTOCOL_VERSION" = 0
then
tail -3 cookies.txt | sort >cookies_tail.txt &&
test_cmp expect_cookies.txt cookies_tail.txt
fi
'
test_expect_success 'transfer.hiderefs works over smart-http' '
test_commit hidden &&
test_commit visible &&
git push public HEAD^:refs/heads/a HEAD:refs/heads/b &&
git --git-dir="$HTTPD_DOCUMENT_ROOT_PATH/repo.git" \
config transfer.hiderefs refs/heads/a &&
git clone --bare "$HTTPD_URL/smart/repo.git" hidden.git &&
test_must_fail git -C hidden.git rev-parse --verify a &&
git -C hidden.git rev-parse --verify b
'
# create an arbitrary number of tags, numbered from tag-$1 to tag-$2
create_tags () {
rm -f marks &&
for i in $(test_seq "$1" "$2")
do
# don't use here-doc, because it requires a process
# per loop iteration
echo "commit refs/heads/too-many-refs-$1" &&
echo "mark :$i" &&
echo "committer git <git@example.com> $i +0000" &&
echo "data 0" &&
echo "M 644 inline bla.txt" &&
echo "data 4" &&
echo "bla" &&
# make every commit dangling by always
# rewinding the branch after each commit
echo "reset refs/heads/too-many-refs-$1" &&
echo "from :$1"
done | git fast-import --export-marks=marks &&
# now assign tags to all the dangling commits we created above
tag=$(perl -e "print \"bla\" x 30") &&
sed -e "s|^:\([^ ]*\) \(.*\)$|\2 refs/tags/$tag-\1|" <marks >>packed-refs
}
test_expect_success 'create 2,000 tags in the repo' '
(
cd "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&
create_tags 1 2000
)
'
test_expect_success CMDLINE_LIMIT \
'clone the 2,000 tag repo to check OS command line overflow' '
run_with_limited_cmdline git clone $HTTPD_URL/smart/repo.git too-many-refs &&
(
cd too-many-refs &&
git for-each-ref refs/tags >actual &&
test_line_count = 2000 actual
)
'
test_expect_success 'large fetch-pack requests can be sent using chunked encoding' '
GIT_TRACE_CURL=true git -c http.postbuffer=65536 \
clone --bare "$HTTPD_URL/smart/repo.git" split.git 2>err &&
grep "^=> Send header: Transfer-Encoding: chunked" err
'
test_expect_success 'test allowreachablesha1inwant' '
test_when_finished "rm -rf test_reachable.git" &&
server="$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&
main_sha=$(git -C "$server" rev-parse refs/heads/main) &&
git -C "$server" config uploadpack.allowreachablesha1inwant 1 &&
git init --bare test_reachable.git &&
git -C test_reachable.git remote add origin "$HTTPD_URL/smart/repo.git" &&
git -C test_reachable.git fetch origin "$main_sha"
'
test_expect_success 'test allowreachablesha1inwant with unreachable' '
test_when_finished "rm -rf test_reachable.git; git reset --hard $(git rev-parse HEAD)" &&
#create unreachable sha
echo content >file2 &&
git add file2 &&
git commit -m two &&
git push public HEAD:refs/heads/doomed &&
git push public :refs/heads/doomed &&
server="$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&
main_sha=$(git -C "$server" rev-parse refs/heads/main) &&
git -C "$server" config uploadpack.allowreachablesha1inwant 1 &&
git init --bare test_reachable.git &&
git -C test_reachable.git remote add origin "$HTTPD_URL/smart/repo.git" &&
# Some protocol versions (e.g. 2) support fetching
# unadvertised objects, so restrict this test to v0.
test_must_fail env GIT_TEST_PROTOCOL_VERSION=0 \
git -C test_reachable.git fetch origin "$(git rev-parse HEAD)"
'
test_expect_success 'test allowanysha1inwant with unreachable' '
test_when_finished "rm -rf test_reachable.git; git reset --hard $(git rev-parse HEAD)" &&
#create unreachable sha
echo content >file2 &&
git add file2 &&
git commit -m two &&
git push public HEAD:refs/heads/doomed &&
git push public :refs/heads/doomed &&
server="$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&
main_sha=$(git -C "$server" rev-parse refs/heads/main) &&
git -C "$server" config uploadpack.allowreachablesha1inwant 1 &&
git init --bare test_reachable.git &&
git -C test_reachable.git remote add origin "$HTTPD_URL/smart/repo.git" &&
# Some protocol versions (e.g. 2) support fetching
# unadvertised objects, so restrict this test to v0.
test_must_fail env GIT_TEST_PROTOCOL_VERSION=0 \
git -C test_reachable.git fetch origin "$(git rev-parse HEAD)" &&
git -C "$server" config uploadpack.allowanysha1inwant 1 &&
git -C test_reachable.git fetch origin "$(git rev-parse HEAD)"
'
test_expect_success EXPENSIVE 'http can handle enormous ref negotiation' '
(
cd "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&
create_tags 2001 50000
) &&
git -C too-many-refs fetch -q --tags &&
(
cd "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&
create_tags 50001 100000
) &&
git -C too-many-refs fetch -q --tags &&
git -C too-many-refs for-each-ref refs/tags >tags &&
test_line_count = 100000 tags
'
test_expect_success 'custom http headers' '
test_must_fail git -c http.extraheader="x-magic-two: cadabra" \
fetch "$HTTPD_URL/smart_headers/repo.git" &&
git -c http.extraheader="x-magic-one: abra" \
-c http.extraheader="x-magic-two: cadabra" \
fetch "$HTTPD_URL/smart_headers/repo.git" &&
git update-index --add --cacheinfo 160000,$(git rev-parse HEAD),sub &&
git config -f .gitmodules submodule.sub.path sub &&
git config -f .gitmodules submodule.sub.url \
"$HTTPD_URL/smart_headers/repo.git" &&
git submodule init sub &&
test_must_fail git submodule update sub &&
git -c http.extraheader="x-magic-one: abra" \
-c http.extraheader="x-magic-two: cadabra" \
submodule update sub
'
test_expect_success 'using fetch command in remote-curl updates refs' '
SERVER="$HTTPD_DOCUMENT_ROOT_PATH/twobranch" &&
rm -rf "$SERVER" client &&
git init "$SERVER" &&
test_commit -C "$SERVER" foo &&
git -C "$SERVER" update-ref refs/heads/anotherbranch foo &&
git clone $HTTPD_URL/smart/twobranch client &&
test_commit -C "$SERVER" bar &&
git -C client -c protocol.version=0 fetch &&
git -C "$SERVER" rev-parse main >expect &&
git -C client rev-parse origin/main >actual &&
test_cmp expect actual
'
test_expect_success 'fetch by SHA-1 without tag following' '
SERVER="$HTTPD_DOCUMENT_ROOT_PATH/server" &&
rm -rf "$SERVER" client &&
git init "$SERVER" &&
test_commit -C "$SERVER" foo &&
git clone $HTTPD_URL/smart/server client &&
test_commit -C "$SERVER" bar &&
git -C "$SERVER" rev-parse bar >bar_hash &&
git -C client -c protocol.version=0 fetch \
--no-tags origin $(cat bar_hash)
'
test_expect_success 'cookies are redacted by default' '
rm -rf clone &&
echo "Set-Cookie: Foo=1" >cookies &&
echo "Set-Cookie: Bar=2" >>cookies &&
GIT_TRACE_CURL=true \
git -c "http.cookieFile=$(pwd)/cookies" clone \
$HTTPD_URL/smart/repo.git clone 2>err &&
grep -i "Cookie:.*Foo=<redacted>" err &&
grep -i "Cookie:.*Bar=<redacted>" err &&
! grep -i "Cookie:.*Foo=1" err &&
! grep -i "Cookie:.*Bar=2" err
'
test_expect_success 'empty values of cookies are also redacted' '
rm -rf clone &&
echo "Set-Cookie: Foo=" >cookies &&
GIT_TRACE_CURL=true \
git -c "http.cookieFile=$(pwd)/cookies" clone \
$HTTPD_URL/smart/repo.git clone 2>err &&
grep -i "Cookie:.*Foo=<redacted>" err
'
test_expect_success 'GIT_TRACE_REDACT=0 disables cookie redaction' '
rm -rf clone &&
echo "Set-Cookie: Foo=1" >cookies &&
echo "Set-Cookie: Bar=2" >>cookies &&
GIT_TRACE_REDACT=0 GIT_TRACE_CURL=true \
git -c "http.cookieFile=$(pwd)/cookies" clone \
$HTTPD_URL/smart/repo.git clone 2>err &&
grep -i "Cookie:.*Foo=1" err &&
grep -i "Cookie:.*Bar=2" err
'
test_expect_success 'GIT_TRACE_CURL_NO_DATA prevents data from being traced' '
rm -rf clone &&
GIT_TRACE_CURL=true \
git clone $HTTPD_URL/smart/repo.git clone 2>err &&
grep "=> Send data" err &&
rm -rf clone &&
GIT_TRACE_CURL=true GIT_TRACE_CURL_NO_DATA=1 \
git clone $HTTPD_URL/smart/repo.git clone 2>err &&
! grep "=> Send data" err
'
test_expect_success 'server-side error detected' '
test_must_fail git clone $HTTPD_URL/error_smart/repo.git 2>actual &&
test_i18ngrep "server-side error" actual
'
test_expect_success 'http auth remembers successful credentials' '
rm -f .git-credentials &&
test_config credential.helper store &&
# the first request prompts the user...
set_askpass user@host pass@host &&
git ls-remote "$HTTPD_URL/auth/smart/repo.git" >/dev/null &&
expect_askpass both user@host &&
# ...and the second one uses the stored value rather than
# prompting the user.
set_askpass bogus-user bogus-pass &&
git ls-remote "$HTTPD_URL/auth/smart/repo.git" >/dev/null &&
expect_askpass none
'
test_expect_success 'http auth forgets bogus credentials' '
# seed credential store with bogus values. In real life,
# this would probably come from a password which worked
# for a previous request.
rm -f .git-credentials &&
test_config credential.helper store &&
{
echo "url=$HTTPD_URL" &&
echo "username=bogus" &&
echo "password=bogus"
} | git credential approve &&
# we expect this to use the bogus values and fail, never even
# prompting the user...
set_askpass user@host pass@host &&
test_must_fail git ls-remote "$HTTPD_URL/auth/smart/repo.git" >/dev/null &&
expect_askpass none &&
# ...but now we should have forgotten the bad value, causing
# us to prompt the user again.
set_askpass user@host pass@host &&
git ls-remote "$HTTPD_URL/auth/smart/repo.git" >/dev/null &&
expect_askpass both user@host
'
test_done
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