mirror of
https://github.com/caddyserver/caddy.git
synced 2025-11-04 03:27:23 -05:00
b82db994f3
* caddyfile: Add parse error on site address in `{`
This is an incredibly common mistake made by users, so we should catch it earlier in the parser and give a more friendly message. Often it ends up adapting but with mistakes, or erroring out later due to other site addresses being read as directives.
There's not really ever a situation where a lone '{' is valid at the end of a site address (but I suppose there are edgecases where the user wants to use a path matcher where it ends specifically in `{`, but... why?), so this should be fine.
* Update caddyconfig/caddyfile/parse.go
710 lines
16 KiB
Go
Executable File
710 lines
16 KiB
Go
Executable File
// Copyright 2015 Light Code Labs, LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package caddyfile
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import (
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"bytes"
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"io/ioutil"
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"os"
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"path/filepath"
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"testing"
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)
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func TestAllTokens(t *testing.T) {
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input := []byte("a b c\nd e")
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expected := []string{"a", "b", "c", "d", "e"}
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tokens, err := allTokens("TestAllTokens", input)
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if err != nil {
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t.Fatalf("Expected no error, got %v", err)
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}
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if len(tokens) != len(expected) {
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t.Fatalf("Expected %d tokens, got %d", len(expected), len(tokens))
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}
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for i, val := range expected {
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if tokens[i].Text != val {
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t.Errorf("Token %d should be '%s' but was '%s'", i, val, tokens[i].Text)
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}
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}
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}
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func TestParseOneAndImport(t *testing.T) {
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testParseOne := func(input string) (ServerBlock, error) {
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p := testParser(input)
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p.Next() // parseOne doesn't call Next() to start, so we must
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err := p.parseOne()
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return p.block, err
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}
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for i, test := range []struct {
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input string
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shouldErr bool
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keys []string
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numTokens []int // number of tokens to expect in each segment
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}{
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{`localhost`, false, []string{
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"localhost",
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}, []int{}},
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{`localhost
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dir1`, false, []string{
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"localhost",
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}, []int{1}},
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{`localhost:1234
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dir1 foo bar`, false, []string{
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"localhost:1234",
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}, []int{3},
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},
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{`localhost {
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dir1
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}`, false, []string{
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"localhost",
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}, []int{1}},
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{`localhost:1234 {
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dir1 foo bar
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dir2
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}`, false, []string{
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"localhost:1234",
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}, []int{3, 1}},
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{`http://localhost https://localhost
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dir1 foo bar`, false, []string{
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"http://localhost",
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"https://localhost",
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}, []int{3}},
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{`http://localhost https://localhost {
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dir1 foo bar
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}`, false, []string{
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"http://localhost",
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"https://localhost",
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}, []int{3}},
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{`http://localhost, https://localhost {
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dir1 foo bar
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}`, false, []string{
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"http://localhost",
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"https://localhost",
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}, []int{3}},
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{`http://localhost, {
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}`, true, []string{
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"http://localhost",
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}, []int{}},
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{`host1:80, http://host2.com
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dir1 foo bar
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dir2 baz`, false, []string{
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"host1:80",
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"http://host2.com",
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}, []int{3, 2}},
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{`http://host1.com,
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http://host2.com,
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https://host3.com`, false, []string{
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"http://host1.com",
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"http://host2.com",
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"https://host3.com",
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}, []int{}},
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{`http://host1.com:1234, https://host2.com
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dir1 foo {
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bar baz
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}
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dir2`, false, []string{
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"http://host1.com:1234",
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"https://host2.com",
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}, []int{6, 1}},
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{`127.0.0.1
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dir1 {
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bar baz
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}
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dir2 {
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foo bar
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}`, false, []string{
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"127.0.0.1",
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}, []int{5, 5}},
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{`localhost
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dir1 {
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foo`, true, []string{
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"localhost",
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}, []int{3}},
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{`localhost
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dir1 {
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}`, false, []string{
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"localhost",
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}, []int{3}},
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{`localhost
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dir1 {
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} }`, true, []string{
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"localhost",
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}, []int{}},
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{`localhost{
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dir1
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}`, true, []string{}, []int{}},
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{`localhost
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dir1 {
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nested {
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foo
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}
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}
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dir2 foo bar`, false, []string{
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"localhost",
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}, []int{7, 3}},
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{``, false, []string{}, []int{}},
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{`localhost
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dir1 arg1
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import testdata/import_test1.txt`, false, []string{
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"localhost",
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}, []int{2, 3, 1}},
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{`import testdata/import_test2.txt`, false, []string{
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"host1",
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}, []int{1, 2}},
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{`import testdata/not_found.txt`, true, []string{}, []int{}},
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{`""`, false, []string{}, []int{}},
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{``, false, []string{}, []int{}},
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// import with args
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{`import testdata/import_args0.txt a`, false, []string{"a"}, []int{}},
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{`import testdata/import_args1.txt a b`, false, []string{"a", "b"}, []int{}},
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{`import testdata/import_args*.txt a b`, false, []string{"a"}, []int{2}},
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// test cases found by fuzzing!
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{`import }{$"`, true, []string{}, []int{}},
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{`import /*/*.txt`, true, []string{}, []int{}},
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{`import /???/?*?o`, true, []string{}, []int{}},
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{`import /??`, true, []string{}, []int{}},
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{`import /[a-z]`, true, []string{}, []int{}},
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{`import {$}`, true, []string{}, []int{}},
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{`import {%}`, true, []string{}, []int{}},
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{`import {$$}`, true, []string{}, []int{}},
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{`import {%%}`, true, []string{}, []int{}},
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} {
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result, err := testParseOne(test.input)
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if test.shouldErr && err == nil {
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t.Errorf("Test %d: Expected an error, but didn't get one", i)
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}
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if !test.shouldErr && err != nil {
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t.Errorf("Test %d: Expected no error, but got: %v", i, err)
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}
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// t.Logf("%+v\n", result)
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if len(result.Keys) != len(test.keys) {
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t.Errorf("Test %d: Expected %d keys, got %d",
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i, len(test.keys), len(result.Keys))
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continue
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}
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for j, addr := range result.Keys {
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if addr != test.keys[j] {
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t.Errorf("Test %d, key %d: Expected '%s', but was '%s'",
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i, j, test.keys[j], addr)
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}
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}
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if len(result.Segments) != len(test.numTokens) {
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t.Errorf("Test %d: Expected %d segments, had %d",
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i, len(test.numTokens), len(result.Segments))
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continue
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}
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for j, seg := range result.Segments {
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if len(seg) != test.numTokens[j] {
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t.Errorf("Test %d, segment %d: Expected %d tokens, counted %d",
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i, j, test.numTokens[j], len(seg))
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continue
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}
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}
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}
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}
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func TestRecursiveImport(t *testing.T) {
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testParseOne := func(input string) (ServerBlock, error) {
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p := testParser(input)
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p.Next() // parseOne doesn't call Next() to start, so we must
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err := p.parseOne()
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return p.block, err
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}
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isExpected := func(got ServerBlock) bool {
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if len(got.Keys) != 1 || got.Keys[0] != "localhost" {
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t.Errorf("got keys unexpected: expect localhost, got %v", got.Keys)
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return false
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}
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if len(got.Segments) != 2 {
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t.Errorf("got wrong number of segments: expect 2, got %d", len(got.Segments))
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return false
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}
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if len(got.Segments[0]) != 1 || len(got.Segments[1]) != 2 {
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t.Errorf("got unexpected tokens: %v", got.Segments)
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return false
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}
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return true
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}
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recursiveFile1, err := filepath.Abs("testdata/recursive_import_test1")
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if err != nil {
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t.Fatal(err)
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}
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recursiveFile2, err := filepath.Abs("testdata/recursive_import_test2")
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if err != nil {
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t.Fatal(err)
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}
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// test relative recursive import
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err = ioutil.WriteFile(recursiveFile1, []byte(
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`localhost
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dir1
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import recursive_import_test2`), 0644)
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if err != nil {
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t.Fatal(err)
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}
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defer os.Remove(recursiveFile1)
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err = ioutil.WriteFile(recursiveFile2, []byte("dir2 1"), 0644)
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if err != nil {
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t.Fatal(err)
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}
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defer os.Remove(recursiveFile2)
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// import absolute path
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result, err := testParseOne("import " + recursiveFile1)
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if err != nil {
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t.Fatal(err)
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}
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if !isExpected(result) {
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t.Error("absolute+relative import failed")
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}
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// import relative path
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result, err = testParseOne("import testdata/recursive_import_test1")
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if err != nil {
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t.Fatal(err)
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}
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if !isExpected(result) {
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t.Error("relative+relative import failed")
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}
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// test absolute recursive import
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err = ioutil.WriteFile(recursiveFile1, []byte(
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`localhost
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dir1
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import `+recursiveFile2), 0644)
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if err != nil {
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t.Fatal(err)
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}
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// import absolute path
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result, err = testParseOne("import " + recursiveFile1)
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if err != nil {
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t.Fatal(err)
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}
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if !isExpected(result) {
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t.Error("absolute+absolute import failed")
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}
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// import relative path
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result, err = testParseOne("import testdata/recursive_import_test1")
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if err != nil {
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t.Fatal(err)
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}
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if !isExpected(result) {
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t.Error("relative+absolute import failed")
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}
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}
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func TestDirectiveImport(t *testing.T) {
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testParseOne := func(input string) (ServerBlock, error) {
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p := testParser(input)
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p.Next() // parseOne doesn't call Next() to start, so we must
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err := p.parseOne()
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return p.block, err
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}
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isExpected := func(got ServerBlock) bool {
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if len(got.Keys) != 1 || got.Keys[0] != "localhost" {
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t.Errorf("got keys unexpected: expect localhost, got %v", got.Keys)
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return false
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}
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if len(got.Segments) != 2 {
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t.Errorf("got wrong number of segments: expect 2, got %d", len(got.Segments))
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return false
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}
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if len(got.Segments[0]) != 1 || len(got.Segments[1]) != 8 {
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t.Errorf("got unexpected tokens: %v", got.Segments)
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return false
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}
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return true
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}
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directiveFile, err := filepath.Abs("testdata/directive_import_test")
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if err != nil {
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t.Fatal(err)
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}
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err = ioutil.WriteFile(directiveFile, []byte(`prop1 1
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prop2 2`), 0644)
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if err != nil {
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t.Fatal(err)
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}
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defer os.Remove(directiveFile)
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// import from existing file
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result, err := testParseOne(`localhost
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dir1
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proxy {
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import testdata/directive_import_test
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transparent
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}`)
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if err != nil {
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t.Fatal(err)
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}
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if !isExpected(result) {
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t.Error("directive import failed")
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}
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// import from nonexistent file
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_, err = testParseOne(`localhost
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dir1
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proxy {
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import testdata/nonexistent_file
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transparent
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}`)
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if err == nil {
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t.Fatal("expected error when importing a nonexistent file")
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}
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}
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func TestParseAll(t *testing.T) {
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for i, test := range []struct {
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input string
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shouldErr bool
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keys [][]string // keys per server block, in order
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}{
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{`localhost`, false, [][]string{
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{"localhost"},
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}},
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{`localhost:1234`, false, [][]string{
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{"localhost:1234"},
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}},
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{`localhost:1234 {
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}
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localhost:2015 {
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}`, false, [][]string{
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{"localhost:1234"},
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{"localhost:2015"},
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}},
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{`localhost:1234, http://host2`, false, [][]string{
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{"localhost:1234", "http://host2"},
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}},
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{`localhost:1234, http://host2,`, true, [][]string{}},
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{`http://host1.com, http://host2.com {
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}
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https://host3.com, https://host4.com {
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}`, false, [][]string{
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{"http://host1.com", "http://host2.com"},
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{"https://host3.com", "https://host4.com"},
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}},
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{`import testdata/import_glob*.txt`, false, [][]string{
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{"glob0.host0"},
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{"glob0.host1"},
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{"glob1.host0"},
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{"glob2.host0"},
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}},
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{`import notfound/*`, false, [][]string{}}, // glob needn't error with no matches
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{`import notfound/file.conf`, true, [][]string{}}, // but a specific file should
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// recursive self-import
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{`import testdata/import_recursive0.txt`, true, [][]string{}},
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{`import testdata/import_recursive3.txt
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import testdata/import_recursive1.txt`, true, [][]string{}},
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// cyclic imports
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{`(A) {
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import A
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}
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:80
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import A
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`, true, [][]string{}},
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{`(A) {
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import B
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}
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(B) {
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import A
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}
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:80
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import A
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`, true, [][]string{}},
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} {
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p := testParser(test.input)
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blocks, err := p.parseAll()
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if test.shouldErr && err == nil {
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t.Errorf("Test %d: Expected an error, but didn't get one", i)
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}
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if !test.shouldErr && err != nil {
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t.Errorf("Test %d: Expected no error, but got: %v", i, err)
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}
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if len(blocks) != len(test.keys) {
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t.Errorf("Test %d: Expected %d server blocks, got %d",
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i, len(test.keys), len(blocks))
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continue
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}
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for j, block := range blocks {
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if len(block.Keys) != len(test.keys[j]) {
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t.Errorf("Test %d: Expected %d keys in block %d, got %d",
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i, len(test.keys[j]), j, len(block.Keys))
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continue
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}
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for k, addr := range block.Keys {
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if addr != test.keys[j][k] {
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t.Errorf("Test %d, block %d, key %d: Expected '%s', but got '%s'",
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i, j, k, test.keys[j][k], addr)
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}
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}
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}
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}
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}
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func TestEnvironmentReplacement(t *testing.T) {
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os.Setenv("FOOBAR", "foobar")
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os.Setenv("CHAINED", "$FOOBAR")
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for i, test := range []struct {
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input string
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expect string
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}{
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{
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input: "",
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expect: "",
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},
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{
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input: "foo",
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expect: "foo",
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},
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{
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input: "{$NOT_SET}",
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expect: "",
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},
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{
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input: "foo{$NOT_SET}bar",
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expect: "foobar",
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},
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{
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input: "{$FOOBAR}",
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expect: "foobar",
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},
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{
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input: "foo {$FOOBAR} bar",
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expect: "foo foobar bar",
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},
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{
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input: "foo{$FOOBAR}bar",
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expect: "foofoobarbar",
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},
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{
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input: "foo\n{$FOOBAR}\nbar",
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expect: "foo\nfoobar\nbar",
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},
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{
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input: "{$FOOBAR} {$FOOBAR}",
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expect: "foobar foobar",
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},
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{
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input: "{$FOOBAR}{$FOOBAR}",
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expect: "foobarfoobar",
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},
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{
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|
input: "{$CHAINED}",
|
|
expect: "$FOOBAR", // should not chain env expands
|
|
},
|
|
{
|
|
input: "{$FOO:default}",
|
|
expect: "default",
|
|
},
|
|
{
|
|
input: "foo{$BAR:bar}baz",
|
|
expect: "foobarbaz",
|
|
},
|
|
{
|
|
input: "foo{$BAR:$FOOBAR}baz",
|
|
expect: "foo$FOOBARbaz", // should not chain env expands
|
|
},
|
|
{
|
|
input: "{$FOOBAR",
|
|
expect: "{$FOOBAR",
|
|
},
|
|
{
|
|
input: "{$LONGER_NAME $FOOBAR}",
|
|
expect: "",
|
|
},
|
|
{
|
|
input: "{$}",
|
|
expect: "{$}",
|
|
},
|
|
{
|
|
input: "{$$}",
|
|
expect: "",
|
|
},
|
|
{
|
|
input: "{$",
|
|
expect: "{$",
|
|
},
|
|
{
|
|
input: "}{$",
|
|
expect: "}{$",
|
|
},
|
|
} {
|
|
actual, err := replaceEnvVars([]byte(test.input))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if !bytes.Equal(actual, []byte(test.expect)) {
|
|
t.Errorf("Test %d: Expected: '%s' but got '%s'", i, test.expect, actual)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestSnippets(t *testing.T) {
|
|
p := testParser(`
|
|
(common) {
|
|
gzip foo
|
|
errors stderr
|
|
}
|
|
http://example.com {
|
|
import common
|
|
}
|
|
`)
|
|
blocks, err := p.parseAll()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if len(blocks) != 1 {
|
|
t.Fatalf("Expect exactly one server block. Got %d.", len(blocks))
|
|
}
|
|
if actual, expected := blocks[0].Keys[0], "http://example.com"; expected != actual {
|
|
t.Errorf("Expected server name to be '%s' but was '%s'", expected, actual)
|
|
}
|
|
if len(blocks[0].Segments) != 2 {
|
|
t.Fatalf("Server block should have tokens from import, got: %+v", blocks[0])
|
|
}
|
|
if actual, expected := blocks[0].Segments[0][0].Text, "gzip"; expected != actual {
|
|
t.Errorf("Expected argument to be '%s' but was '%s'", expected, actual)
|
|
}
|
|
if actual, expected := blocks[0].Segments[1][1].Text, "stderr"; expected != actual {
|
|
t.Errorf("Expected argument to be '%s' but was '%s'", expected, actual)
|
|
}
|
|
}
|
|
|
|
func writeStringToTempFileOrDie(t *testing.T, str string) (pathToFile string) {
|
|
file, err := ioutil.TempFile("", t.Name())
|
|
if err != nil {
|
|
panic(err) // get a stack trace so we know where this was called from.
|
|
}
|
|
if _, err := file.WriteString(str); err != nil {
|
|
panic(err)
|
|
}
|
|
if err := file.Close(); err != nil {
|
|
panic(err)
|
|
}
|
|
return file.Name()
|
|
}
|
|
|
|
func TestImportedFilesIgnoreNonDirectiveImportTokens(t *testing.T) {
|
|
fileName := writeStringToTempFileOrDie(t, `
|
|
http://example.com {
|
|
# This isn't an import directive, it's just an arg with value 'import'
|
|
basicauth / import password
|
|
}
|
|
`)
|
|
// Parse the root file that imports the other one.
|
|
p := testParser(`import ` + fileName)
|
|
blocks, err := p.parseAll()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
auth := blocks[0].Segments[0]
|
|
line := auth[0].Text + " " + auth[1].Text + " " + auth[2].Text + " " + auth[3].Text
|
|
if line != "basicauth / import password" {
|
|
// Previously, it would be changed to:
|
|
// basicauth / import /path/to/test/dir/password
|
|
// referencing a file that (probably) doesn't exist and changing the
|
|
// password!
|
|
t.Errorf("Expected basicauth tokens to be 'basicauth / import password' but got %#q", line)
|
|
}
|
|
}
|
|
|
|
func TestSnippetAcrossMultipleFiles(t *testing.T) {
|
|
// Make the derived Caddyfile that expects (common) to be defined.
|
|
fileName := writeStringToTempFileOrDie(t, `
|
|
http://example.com {
|
|
import common
|
|
}
|
|
`)
|
|
|
|
// Parse the root file that defines (common) and then imports the other one.
|
|
p := testParser(`
|
|
(common) {
|
|
gzip foo
|
|
}
|
|
import ` + fileName + `
|
|
`)
|
|
|
|
blocks, err := p.parseAll()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if len(blocks) != 1 {
|
|
t.Fatalf("Expect exactly one server block. Got %d.", len(blocks))
|
|
}
|
|
if actual, expected := blocks[0].Keys[0], "http://example.com"; expected != actual {
|
|
t.Errorf("Expected server name to be '%s' but was '%s'", expected, actual)
|
|
}
|
|
if len(blocks[0].Segments) != 1 {
|
|
t.Fatalf("Server block should have tokens from import")
|
|
}
|
|
if actual, expected := blocks[0].Segments[0][0].Text, "gzip"; expected != actual {
|
|
t.Errorf("Expected argument to be '%s' but was '%s'", expected, actual)
|
|
}
|
|
}
|
|
|
|
func testParser(input string) parser {
|
|
return parser{Dispenser: NewTestDispenser(input)}
|
|
}
|