Sync with 2.3.10

8 files changed, 248 insertions, 0 deletions

diff --git a/t/lib-httpd/apache.conf b/t/lib-httpd/apache.conf
index 0b81a0047b..7d15e6d44c 100644
--- a/t/lib-httpd/apache.conf
+++ b/t/lib-httpd/apache.conf
@@ -119,6 +119,10 @@ RewriteRule ^/smart-redir-perm/(.*)$ /smart/$1 [R=301]
 RewriteRule ^/smart-redir-temp/(.*)$ /smart/$1 [R=302]
 RewriteRule ^/smart-redir-auth/(.*)$ /auth/smart/$1 [R=301]
 RewriteRule ^/smart-redir-limited/(.*)/info/refs$ /smart/$1/info/refs [R=301]
+RewriteRule ^/ftp-redir/(.*)$ ftp://localhost:1000/$1 [R=302]
+
+RewriteRule ^/loop-redir/x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-(.*) /$1 [R=302]
+RewriteRule ^/loop-redir/(.*)$ /loop-redir/x-$1 [R=302]
 
 <IfDefine SSL>
 LoadModule ssl_module modules/mod_ssl.so
diff --git a/t/lib-proto-disable.sh b/t/lib-proto-disable.sh
new file mode 100644
index 0000000000..b0917d93e6
--- /dev/null
+++ b/t/lib-proto-disable.sh
@@ -0,0 +1,96 @@
+# Test routines for checking protocol disabling.
+
+# test cloning a particular protocol
+#   $1 - description of the protocol
+#   $2 - machine-readable name of the protocol
+#   $3 - the URL to try cloning
+test_proto () {
+	desc=$1
+	proto=$2
+	url=$3
+
+	test_expect_success "clone $1 (enabled)" '
+		rm -rf tmp.git &&
+		(
+			GIT_ALLOW_PROTOCOL=$proto &&
+			export GIT_ALLOW_PROTOCOL &&
+			git clone --bare "$url" tmp.git
+		)
+	'
+
+	test_expect_success "fetch $1 (enabled)" '
+		(
+			cd tmp.git &&
+			GIT_ALLOW_PROTOCOL=$proto &&
+			export GIT_ALLOW_PROTOCOL &&
+			git fetch
+		)
+	'
+
+	test_expect_success "push $1 (enabled)" '
+		(
+			cd tmp.git &&
+			GIT_ALLOW_PROTOCOL=$proto &&
+			export GIT_ALLOW_PROTOCOL &&
+			git push origin HEAD:pushed
+		)
+	'
+
+	test_expect_success "push $1 (disabled)" '
+		(
+			cd tmp.git &&
+			GIT_ALLOW_PROTOCOL=none &&
+			export GIT_ALLOW_PROTOCOL &&
+			test_must_fail git push origin HEAD:pushed
+		)
+	'
+
+	test_expect_success "fetch $1 (disabled)" '
+		(
+			cd tmp.git &&
+			GIT_ALLOW_PROTOCOL=none &&
+			export GIT_ALLOW_PROTOCOL &&
+			test_must_fail git fetch
+		)
+	'
+
+	test_expect_success "clone $1 (disabled)" '
+		rm -rf tmp.git &&
+		(
+			GIT_ALLOW_PROTOCOL=none &&
+			export GIT_ALLOW_PROTOCOL &&
+			test_must_fail git clone --bare "$url" tmp.git
+		)
+	'
+}
+
+# set up an ssh wrapper that will access $host/$repo in the
+# trash directory, and enable it for subsequent tests.
+setup_ssh_wrapper () {
+	test_expect_success 'setup ssh wrapper' '
+		write_script ssh-wrapper <<-\EOF &&
+		echo >&2 "ssh: $*"
+		host=$1; shift
+		cd "$TRASH_DIRECTORY/$host" &&
+		eval "$*"
+		EOF
+		GIT_SSH="$PWD/ssh-wrapper" &&
+		export GIT_SSH &&
+		export TRASH_DIRECTORY
+	'
+}
+
+# set up a wrapper that can be used with remote-ext to
+# access repositories in the "remote" directory of trash-dir,
+# like "ext::fake-remote %S repo.git"
+setup_ext_wrapper () {
+	test_expect_success 'setup ext wrapper' '
+		write_script fake-remote <<-\EOF &&
+		echo >&2 "fake-remote: $*"
+		cd "$TRASH_DIRECTORY/remote" &&
+		eval "$*"
+		EOF
+		PATH=$TRASH_DIRECTORY:$PATH &&
+		export TRASH_DIRECTORY
+	'
+}
diff --git a/t/t5810-proto-disable-local.sh b/t/t5810-proto-disable-local.sh
new file mode 100755
index 0000000000..563592d8a8
--- /dev/null
+++ b/t/t5810-proto-disable-local.sh
@@ -0,0 +1,14 @@
+#!/bin/sh
+
+test_description='test disabling of local paths in clone/fetch'
+. ./test-lib.sh
+. "$TEST_DIRECTORY/lib-proto-disable.sh"
+
+test_expect_success 'setup repository to clone' '
+	test_commit one
+'
+
+test_proto "file://" file "file://$PWD"
+test_proto "path" file .
+
+test_done
diff --git a/t/t5811-proto-disable-git.sh b/t/t5811-proto-disable-git.sh
new file mode 100755
index 0000000000..8ac6b2a1d0
--- /dev/null
+++ b/t/t5811-proto-disable-git.sh
@@ -0,0 +1,20 @@
+#!/bin/sh
+
+test_description='test disabling of git-over-tcp in clone/fetch'
+. ./test-lib.sh
+. "$TEST_DIRECTORY/lib-proto-disable.sh"
+. "$TEST_DIRECTORY/lib-git-daemon.sh"
+start_git_daemon
+
+test_expect_success 'create git-accessible repo' '
+	bare="$GIT_DAEMON_DOCUMENT_ROOT_PATH/repo.git" &&
+	test_commit one &&
+	git --bare init "$bare" &&
+	git push "$bare" HEAD &&
+	>"$bare/git-daemon-export-ok" &&
+	git -C "$bare" config daemon.receivepack true
+'
+
+test_proto "git://" git "$GIT_DAEMON_URL/repo.git"
+
+test_done
diff --git a/t/t5812-proto-disable-http.sh b/t/t5812-proto-disable-http.sh
new file mode 100755
index 0000000000..0d105d5417
--- /dev/null
+++ b/t/t5812-proto-disable-http.sh
@@ -0,0 +1,33 @@
+#!/bin/sh
+
+test_description='test disabling of git-over-http in clone/fetch'
+. ./test-lib.sh
+. "$TEST_DIRECTORY/lib-proto-disable.sh"
+. "$TEST_DIRECTORY/lib-httpd.sh"
+start_httpd
+
+test_expect_success 'create git-accessible repo' '
+	bare="$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&
+	test_commit one &&
+	git --bare init "$bare" &&
+	git push "$bare" HEAD &&
+	git -C "$bare" config http.receivepack true
+'
+
+test_proto "smart http" http "$HTTPD_URL/smart/repo.git"
+
+test_expect_success 'curl redirects respect whitelist' '
+	test_must_fail env GIT_ALLOW_PROTOCOL=http:https \
+		git clone "$HTTPD_URL/ftp-redir/repo.git" 2>stderr &&
+	{
+		test_i18ngrep "ftp.*disabled" stderr ||
+		test_i18ngrep "your curl version is too old"
+	}
+'
+
+test_expect_success 'curl limits redirects' '
+	test_must_fail git clone "$HTTPD_URL/loop-redir/smart/repo.git"
+'
+
+stop_httpd
+test_done
diff --git a/t/t5813-proto-disable-ssh.sh b/t/t5813-proto-disable-ssh.sh
new file mode 100755
index 0000000000..ad877d774a
--- /dev/null
+++ b/t/t5813-proto-disable-ssh.sh
@@ -0,0 +1,20 @@
+#!/bin/sh
+
+test_description='test disabling of git-over-ssh in clone/fetch'
+. ./test-lib.sh
+. "$TEST_DIRECTORY/lib-proto-disable.sh"
+
+setup_ssh_wrapper
+
+test_expect_success 'setup repository to clone' '
+	test_commit one &&
+	mkdir remote &&
+	git init --bare remote/repo.git &&
+	git push remote/repo.git HEAD
+'
+
+test_proto "host:path" ssh "remote:repo.git"
+test_proto "ssh://" ssh "ssh://remote/$PWD/remote/repo.git"
+test_proto "git+ssh://" ssh "git+ssh://remote/$PWD/remote/repo.git"
+
+test_done
diff --git a/t/t5814-proto-disable-ext.sh b/t/t5814-proto-disable-ext.sh
new file mode 100755
index 0000000000..9d6f7dfa2c
--- /dev/null
+++ b/t/t5814-proto-disable-ext.sh
@@ -0,0 +1,18 @@
+#!/bin/sh
+
+test_description='test disabling of remote-helper paths in clone/fetch'
+. ./test-lib.sh
+. "$TEST_DIRECTORY/lib-proto-disable.sh"
+
+setup_ext_wrapper
+
+test_expect_success 'setup repository to clone' '
+	test_commit one &&
+	mkdir remote &&
+	git init --bare remote/repo.git &&
+	git push remote/repo.git HEAD
+'
+
+test_proto "remote-helper" ext "ext::fake-remote %S repo.git"
+
+test_done
diff --git a/t/t5815-submodule-protos.sh b/t/t5815-submodule-protos.sh
new file mode 100755
index 0000000000..06f55a1b8a
--- /dev/null
+++ b/t/t5815-submodule-protos.sh
@@ -0,0 +1,43 @@
+#!/bin/sh
+
+test_description='test protocol whitelisting with submodules'
+. ./test-lib.sh
+. "$TEST_DIRECTORY"/lib-proto-disable.sh
+
+setup_ext_wrapper
+setup_ssh_wrapper
+
+test_expect_success 'setup repository with submodules' '
+	mkdir remote &&
+	git init remote/repo.git &&
+	(cd remote/repo.git && test_commit one) &&
+	# submodule-add should probably trust what we feed it on the cmdline,
+	# but its implementation is overly conservative.
+	GIT_ALLOW_PROTOCOL=ssh git submodule add remote:repo.git ssh-module &&
+	GIT_ALLOW_PROTOCOL=ext git submodule add "ext::fake-remote %S repo.git" ext-module &&
+	git commit -m "add submodules"
+'
+
+test_expect_success 'clone with recurse-submodules fails' '
+	test_must_fail git clone --recurse-submodules . dst
+'
+
+test_expect_success 'setup individual updates' '
+	rm -rf dst &&
+	git clone . dst &&
+	git -C dst submodule init
+'
+
+test_expect_success 'update of ssh allowed' '
+	git -C dst submodule update ssh-module
+'
+
+test_expect_success 'update of ext not allowed' '
+	test_must_fail git -C dst submodule update ext-module
+'
+
+test_expect_success 'user can override whitelist' '
+	GIT_ALLOW_PROTOCOL=ext git -C dst submodule update ext-module
+'
+
+test_done