From 3f7867d83b00e59fc8d84135031433fd6bde3efe Mon Sep 17 00:00:00 2001
From: renovate <renovate-bot@autistici.org>
Date: Thu, 14 Jan 2021 11:21:11 +0000
Subject: [PATCH] Update module oschwald/maxminddb-golang to v0.2.0
---
go.mod | 2 +-
go.sum | 2 +
.../oschwald/maxminddb-golang/.gitignore | 4 -
.../oschwald/maxminddb-golang/.gitmodules | 2 +-
.../oschwald/maxminddb-golang/.travis.yml | 22 +-
.../oschwald/maxminddb-golang/LICENSE | 211 ++++++-
.../oschwald/maxminddb-golang/README.md | 12 +-
.../oschwald/maxminddb-golang/appveyor.yml | 19 -
.../oschwald/maxminddb-golang/build.cmd | 3 +
.../oschwald/maxminddb-golang/decoder.go | 515 ++++++------------
.../oschwald/maxminddb-golang/errors.go | 42 --
.../oschwald/maxminddb-golang/mmap_unix.go | 17 -
.../oschwald/maxminddb-golang/reader.go | 169 +++---
.../maxminddb-golang/reader_appengine.go | 26 -
.../oschwald/maxminddb-golang/reader_other.go | 61 ---
.../oschwald/maxminddb-golang/reader_unix.go | 15 +
.../{mmap_windows.go => reader_windows.go} | 30 +-
.../oschwald/maxminddb-golang/traverse.go | 108 ----
.../oschwald/maxminddb-golang/verifier.go | 185 -------
vendor/modules.txt | 2 +-
20 files changed, 487 insertions(+), 960 deletions(-)
delete mode 100644 vendor/github.com/oschwald/maxminddb-golang/.gitignore
delete mode 100644 vendor/github.com/oschwald/maxminddb-golang/appveyor.yml
create mode 100644 vendor/github.com/oschwald/maxminddb-golang/build.cmd
delete mode 100644 vendor/github.com/oschwald/maxminddb-golang/errors.go
delete mode 100644 vendor/github.com/oschwald/maxminddb-golang/mmap_unix.go
delete mode 100644 vendor/github.com/oschwald/maxminddb-golang/reader_appengine.go
delete mode 100644 vendor/github.com/oschwald/maxminddb-golang/reader_other.go
create mode 100644 vendor/github.com/oschwald/maxminddb-golang/reader_unix.go
rename vendor/github.com/oschwald/maxminddb-golang/{mmap_windows.go => reader_windows.go} (70%)
delete mode 100644 vendor/github.com/oschwald/maxminddb-golang/traverse.go
delete mode 100644 vendor/github.com/oschwald/maxminddb-golang/verifier.go
diff --git a/go.mod b/go.mod
index 06c4c38..3b7fefc 100644
--- a/go.mod
+++ b/go.mod
@@ -14,7 +14,7 @@ require (
github.com/jonboulle/clockwork v0.2.2 // indirect
github.com/mattermost/xml-roundtrip-validator v0.0.0-20201219040909-8fd2afad43d1 // indirect
github.com/mssola/user_agent v0.0.0-20170906152553-a2f39d5a9b15
- github.com/oschwald/maxminddb-golang v0.0.0-20170901134056-26fe5ace1c70
+ github.com/oschwald/maxminddb-golang v0.2.0
github.com/prometheus/client_golang v1.9.0
github.com/rs/cors v0.0.0-20190613161432-33ffc0734c60
github.com/tstranex/u2f v1.0.0
diff --git a/go.sum b/go.sum
index acb9baa..c2ae492 100644
--- a/go.sum
+++ b/go.sum
@@ -272,6 +272,8 @@ github.com/openzipkin/zipkin-go v0.2.5 h1:UwtQQx2pyPIgWYHRg+epgdx1/HnBQTgN3/oIYE
github.com/openzipkin/zipkin-go v0.2.5/go.mod h1:KpXfKdgRDnnhsxw4pNIH9Md5lyFqKUa4YDFlwRYAMyE=
github.com/oschwald/maxminddb-golang v0.0.0-20170901134056-26fe5ace1c70 h1:XGLYUmodtNzThosQ8GkMvj9TiIB/uWsP8NfxKSa3aDc=
github.com/oschwald/maxminddb-golang v0.0.0-20170901134056-26fe5ace1c70/go.mod h1:3jhIUymTJ5VREKyIhWm66LJiQt04F0UCDdodShpjWsY=
+github.com/oschwald/maxminddb-golang v0.2.0 h1:cdvE3VUWCRdu+tYIBtwbcPWj1A83jZc5CSdGSuhnqO8=
+github.com/oschwald/maxminddb-golang v0.2.0/go.mod h1:3jhIUymTJ5VREKyIhWm66LJiQt04F0UCDdodShpjWsY=
github.com/pact-foundation/pact-go v1.0.4/go.mod h1:uExwJY4kCzNPcHRj+hCR/HBbOOIwwtUjcrb0b5/5kLM=
github.com/pascaldekloe/goe v0.0.0-20180627143212-57f6aae5913c/go.mod h1:lzWF7FIEvWOWxwDKqyGYQf6ZUaNfKdP144TG7ZOy1lc=
github.com/patrickmn/go-cache v0.0.0-20180815053127-5633e0862627/go.mod h1:3Qf8kWWT7OJRJbdiICTKqZju1ZixQ/KpMGzzAfe6+WQ=
diff --git a/vendor/github.com/oschwald/maxminddb-golang/.gitignore b/vendor/github.com/oschwald/maxminddb-golang/.gitignore
deleted file mode 100644
index fe3fa4a..0000000
--- a/vendor/github.com/oschwald/maxminddb-golang/.gitignore
+++ /dev/null
@@ -1,4 +0,0 @@
-.vscode
-*.out
-*.sw?
-*.test
diff --git a/vendor/github.com/oschwald/maxminddb-golang/.gitmodules b/vendor/github.com/oschwald/maxminddb-golang/.gitmodules
index 400b2ab..51779cb 100644
--- a/vendor/github.com/oschwald/maxminddb-golang/.gitmodules
+++ b/vendor/github.com/oschwald/maxminddb-golang/.gitmodules
@@ -1,3 +1,3 @@
[submodule "test-data"]
path = test-data
- url = https://github.com/maxmind/MaxMind-DB.git
+ url = git://github.com/maxmind/MaxMind-DB.git
diff --git a/vendor/github.com/oschwald/maxminddb-golang/.travis.yml b/vendor/github.com/oschwald/maxminddb-golang/.travis.yml
index 49c4478..ab1f959 100644
--- a/vendor/github.com/oschwald/maxminddb-golang/.travis.yml
+++ b/vendor/github.com/oschwald/maxminddb-golang/.travis.yml
@@ -1,23 +1,11 @@
language: go
go:
- - 1.4
- - 1.5
- - 1.6
- - 1.7
- - 1.8
+ - 1.1
+ - 1.2
+ - 1.3
+ - release
- tip
-before_install:
- - "if [[ $TRAVIS_GO_VERSION == 1.7 ]]; then go get -v github.com/golang/lint/golint; fi"
-
install:
- - go get -v -t ./...
-
-script:
- - go test -race -cpu 1,4 -v
- - go test -race -v -tags appengine
- - "if [[ $TRAVIS_GO_VERSION == 1.7 ]]; then go vet ./...; fi"
- - "if [[ $TRAVIS_GO_VERSION == 1.7 ]]; then golint .; fi"
-
-sudo: false
+ - go get launchpad.net/gocheck
diff --git a/vendor/github.com/oschwald/maxminddb-golang/LICENSE b/vendor/github.com/oschwald/maxminddb-golang/LICENSE
index 2969677..d645695 100644
--- a/vendor/github.com/oschwald/maxminddb-golang/LICENSE
+++ b/vendor/github.com/oschwald/maxminddb-golang/LICENSE
@@ -1,15 +1,202 @@
-ISC License
-Copyright (c) 2015, Gregory J. Oschwald <oschwald@gmail.com>
+ Apache License
+ Version 2.0, January 2004
+ http://www.apache.org/licenses/
-Permission to use, copy, modify, and/or distribute this software for any
-purpose with or without fee is hereby granted, provided that the above
-copyright notice and this permission notice appear in all copies.
+ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
-THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
-REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
-AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
-INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
-LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
-OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
-PERFORMANCE OF THIS SOFTWARE.
+ 1. Definitions.
+
+ "License" shall mean the terms and conditions for use, reproduction,
+ and distribution as defined by Sections 1 through 9 of this document.
+
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+ the copyright owner that is granting the License.
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+ "Legal Entity" shall mean the union of the acting entity and all
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+ direction or management of such entity, whether by contract or
+ otherwise, or (ii) ownership of fifty percent (50%) or more of the
+ outstanding shares, or (iii) beneficial ownership of such entity.
+
+ "You" (or "Your") shall mean an individual or Legal Entity
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+ 2. Grant of Copyright License. Subject to the terms and conditions of
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+ the conditions stated in this License.
+
+ 5. Submission of Contributions. Unless You explicitly state otherwise,
+ any Contribution intentionally submitted for inclusion in the Work
+ by You to the Licensor shall be under the terms and conditions of
+ this License, without any additional terms or conditions.
+ Notwithstanding the above, nothing herein shall supersede or modify
+ the terms of any separate license agreement you may have executed
+ with Licensor regarding such Contributions.
+
+ 6. Trademarks. This License does not grant permission to use the trade
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+ except as required for reasonable and customary use in describing the
+ origin of the Work and reproducing the content of the NOTICE file.
+
+ 7. Disclaimer of Warranty. Unless required by applicable law or
+ agreed to in writing, Licensor provides the Work (and each
+ Contributor provides its Contributions) on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+ implied, including, without limitation, any warranties or conditions
+ of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+ PARTICULAR PURPOSE. You are solely responsible for determining the
+ appropriateness of using or redistributing the Work and assume any
+ risks associated with Your exercise of permissions under this License.
+
+ 8. Limitation of Liability. In no event and under no legal theory,
+ whether in tort (including negligence), contract, or otherwise,
+ unless required by applicable law (such as deliberate and grossly
+ negligent acts) or agreed to in writing, shall any Contributor be
+ liable to You for damages, including any direct, indirect, special,
+ incidental, or consequential damages of any character arising as a
+ result of this License or out of the use or inability to use the
+ Work (including but not limited to damages for loss of goodwill,
+ work stoppage, computer failure or malfunction, or any and all
+ other commercial damages or losses), even if such Contributor
+ has been advised of the possibility of such damages.
+
+ 9. Accepting Warranty or Additional Liability. While redistributing
+ the Work or Derivative Works thereof, You may choose to offer,
+ and charge a fee for, acceptance of support, warranty, indemnity,
+ or other liability obligations and/or rights consistent with this
+ License. However, in accepting such obligations, You may act only
+ on Your own behalf and on Your sole responsibility, not on behalf
+ of any other Contributor, and only if You agree to indemnify,
+ defend, and hold each Contributor harmless for any liability
+ incurred by, or claims asserted against, such Contributor by reason
+ of your accepting any such warranty or additional liability.
+
+ END OF TERMS AND CONDITIONS
+
+ APPENDIX: How to apply the Apache License to your work.
+
+ To apply the Apache License to your work, attach the following
+ boilerplate notice, with the fields enclosed by brackets "[]"
+ replaced with your own identifying information. (Don't include
+ the brackets!) The text should be enclosed in the appropriate
+ comment syntax for the file format. We also recommend that a
+ file or class name and description of purpose be included on the
+ same "printed page" as the copyright notice for easier
+ identification within third-party archives.
+
+ Copyright [yyyy] [name of copyright owner]
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
diff --git a/vendor/github.com/oschwald/maxminddb-golang/README.md b/vendor/github.com/oschwald/maxminddb-golang/README.md
index cdd6bd1..7efb9d1 100644
--- a/vendor/github.com/oschwald/maxminddb-golang/README.md
+++ b/vendor/github.com/oschwald/maxminddb-golang/README.md
@@ -1,14 +1,12 @@
# MaxMind DB Reader for Go #
[](https://travis-ci.org/oschwald/maxminddb-golang)
-[](https://ci.appveyor.com/project/oschwald/maxminddb-golang/branch/master)
[](https://godoc.org/github.com/oschwald/maxminddb-golang)
-This is a Go reader for the MaxMind DB format. Although this can be used to
-read [GeoLite2](http://dev.maxmind.com/geoip/geoip2/geolite2/) and
-[GeoIP2](https://www.maxmind.com/en/geoip2-databases) databases,
-[geoip2](https://github.com/oschwald/geoip2-golang) provides a higher-level
-API for doing so.
+
+This is a Go reader for the MaxMind DB format. This can be used to read
+[GeoLite2](http://dev.maxmind.com/geoip/geoip2/geolite2/) and
+[GeoIP2](http://www.maxmind.com/en/geolocation_landing) databases.
This is not an official MaxMind API.
@@ -35,4 +33,4 @@ with your changes.
## License ##
-This is free software, licensed under the ISC License.
+This is free software, licensed under the Apache License, Version 2.0.
diff --git a/vendor/github.com/oschwald/maxminddb-golang/appveyor.yml b/vendor/github.com/oschwald/maxminddb-golang/appveyor.yml
deleted file mode 100644
index e2bb9dd..0000000
--- a/vendor/github.com/oschwald/maxminddb-golang/appveyor.yml
+++ /dev/null
@@ -1,19 +0,0 @@
-version: "{build}"
-
-os: Windows Server 2012 R2
-
-clone_folder: c:\gopath\src\github.com\oschwald\maxminddb-golang
-
-environment:
- GOPATH: c:\gopath
-
-install:
- - echo %PATH%
- - echo %GOPATH%
- - git submodule update --init --recursive
- - go version
- - go env
- - go get -v -t ./...
-
-build_script:
- - go test -v ./...
diff --git a/vendor/github.com/oschwald/maxminddb-golang/build.cmd b/vendor/github.com/oschwald/maxminddb-golang/build.cmd
new file mode 100644
index 0000000..f5802a2
--- /dev/null
+++ b/vendor/github.com/oschwald/maxminddb-golang/build.cmd
@@ -0,0 +1,3 @@
+set GOPATH=%BuildFolder%
+go get -v ./...
+go test -v ./...
diff --git a/vendor/github.com/oschwald/maxminddb-golang/decoder.go b/vendor/github.com/oschwald/maxminddb-golang/decoder.go
index 396da75..7984629 100644
--- a/vendor/github.com/oschwald/maxminddb-golang/decoder.go
+++ b/vendor/github.com/oschwald/maxminddb-golang/decoder.go
@@ -1,15 +1,16 @@
package maxminddb
import (
+ "bytes"
"encoding/binary"
- "math"
+ "fmt"
"math/big"
"reflect"
- "sync"
)
type decoder struct {
- buffer []byte
+ buffer []byte
+ pointerBase uint
}
type dataType int
@@ -33,105 +34,59 @@ const (
_Float32
)
-const (
- // This is the value used in libmaxminddb
- maximumDataStructureDepth = 512
-)
-
-func (d *decoder) decode(offset uint, result reflect.Value, depth int) (uint, error) {
- if depth > maximumDataStructureDepth {
- return 0, newInvalidDatabaseError("exceeded maximum data structure depth; database is likely corrupt")
- }
- typeNum, size, newOffset, err := d.decodeCtrlData(offset)
- if err != nil {
- return 0, err
- }
-
- if typeNum != _Pointer && result.Kind() == reflect.Uintptr {
- result.Set(reflect.ValueOf(uintptr(offset)))
- return d.nextValueOffset(offset, 1)
- }
- return d.decodeFromType(typeNum, size, newOffset, result, depth+1)
+func (d *decoder) decode(offset uint, result reflect.Value) (uint, error) {
+ typeNum, size, newOffset := d.decodeCtrlData(offset)
+ return d.decodeFromType(typeNum, size, newOffset, result)
}
-func (d *decoder) decodeCtrlData(offset uint) (dataType, uint, uint, error) {
+func (d *decoder) decodeCtrlData(offset uint) (dataType, uint, uint) {
newOffset := offset + 1
- if offset >= uint(len(d.buffer)) {
- return 0, 0, 0, newOffsetError()
- }
ctrlByte := d.buffer[offset]
typeNum := dataType(ctrlByte >> 5)
if typeNum == _Extended {
- if newOffset >= uint(len(d.buffer)) {
- return 0, 0, 0, newOffsetError()
- }
typeNum = dataType(d.buffer[newOffset] + 7)
newOffset++
}
var size uint
- size, newOffset, err := d.sizeFromCtrlByte(ctrlByte, newOffset, typeNum)
- return typeNum, size, newOffset, err
+ size, newOffset = d.sizeFromCtrlByte(ctrlByte, newOffset, typeNum)
+ return typeNum, size, newOffset
}
-func (d *decoder) sizeFromCtrlByte(ctrlByte byte, offset uint, typeNum dataType) (uint, uint, error) {
+func (d *decoder) sizeFromCtrlByte(ctrlByte byte, offset uint, typeNum dataType) (uint, uint) {
size := uint(ctrlByte & 0x1f)
if typeNum == _Extended {
- return size, offset, nil
+ return size, offset
}
var bytesToRead uint
- if size < 29 {
- return size, offset, nil
+ if size > 28 {
+ bytesToRead = size - 28
}
- bytesToRead = size - 28
newOffset := offset + bytesToRead
- if newOffset > uint(len(d.buffer)) {
- return 0, 0, newOffsetError()
- }
- if size == 29 {
- return 29 + uint(d.buffer[offset]), offset + 1, nil
- }
-
sizeBytes := d.buffer[offset:newOffset]
switch {
+ case size == 29:
+ size = 29 + uint(sizeBytes[0])
case size == 30:
- size = 285 + uintFromBytes(0, sizeBytes)
+ size = 285 + uint(uintFromBytes(0, sizeBytes))
case size > 30:
- size = uintFromBytes(0, sizeBytes) + 65821
+ size = uint(uintFromBytes(0, sizeBytes)) + 65821
}
- return size, newOffset, nil
+ return size, newOffset
}
-func (d *decoder) decodeFromType(
- dtype dataType,
- size uint,
- offset uint,
- result reflect.Value,
- depth int,
-) (uint, error) {
- result = d.indirect(result)
+func (d *decoder) decodeFromType(dtype dataType, size uint, offset uint, result reflect.Value) (uint, error) {
+ if result.Kind() == reflect.Ptr {
+ result = reflect.Indirect(result)
+ }
- // For these types, size has a special meaning
switch dtype {
case _Bool:
return d.unmarshalBool(size, offset, result)
- case _Map:
- return d.unmarshalMap(size, offset, result, depth)
- case _Pointer:
- return d.unmarshalPointer(size, offset, result, depth)
- case _Slice:
- return d.unmarshalSlice(size, offset, result, depth)
- }
-
- // For the remaining types, size is the byte size
- if offset+size > uint(len(d.buffer)) {
- return 0, newOffsetError()
- }
- switch dtype {
case _Bytes:
return d.unmarshalBytes(size, offset, result)
case _Float32:
@@ -140,6 +95,12 @@ func (d *decoder) decodeFromType(
return d.unmarshalFloat64(size, offset, result)
case _Int32:
return d.unmarshalInt32(size, offset, result)
+ case _Map:
+ return d.unmarshalMap(size, offset, result)
+ case _Pointer:
+ return d.unmarshalPointer(size, offset, result)
+ case _Slice:
+ return d.unmarshalSlice(size, offset, result)
case _String:
return d.unmarshalString(size, offset, result)
case _Uint16:
@@ -151,84 +112,51 @@ func (d *decoder) decodeFromType(
case _Uint128:
return d.unmarshalUint128(size, offset, result)
default:
- return 0, newInvalidDatabaseError("unknown type: %d", dtype)
+ return 0, fmt.Errorf("unknown type: %d", dtype)
}
}
func (d *decoder) unmarshalBool(size uint, offset uint, result reflect.Value) (uint, error) {
if size > 1 {
- return 0, newInvalidDatabaseError("the MaxMind DB file's data section contains bad data (bool size of %v)", size)
+ return 0, fmt.Errorf("the MaxMind DB file's data section contains bad data (bool size of %v)", size)
}
value, newOffset, err := d.decodeBool(size, offset)
if err != nil {
return 0, err
}
switch result.Kind() {
+ default:
+ return newOffset, fmt.Errorf("trying to unmarshal %v into %v", value, result.Type())
case reflect.Bool:
result.SetBool(value)
return newOffset, nil
case reflect.Interface:
- if result.NumMethod() == 0 {
- result.Set(reflect.ValueOf(value))
- return newOffset, nil
- }
- }
- return newOffset, newUnmarshalTypeError(value, result.Type())
-}
-
-// indirect follows pointers and create values as necessary. This is
-// heavily based on encoding/json as my original version had a subtle
-// bug. This method should be considered to be licensed under
-// https://golang.org/LICENSE
-func (d *decoder) indirect(result reflect.Value) reflect.Value {
- for {
- // Load value from interface, but only if the result will be
- // usefully addressable.
- if result.Kind() == reflect.Interface && !result.IsNil() {
- e := result.Elem()
- if e.Kind() == reflect.Ptr && !e.IsNil() {
- result = e
- continue
- }
- }
-
- if result.Kind() != reflect.Ptr {
- break
- }
-
- if result.IsNil() {
- result.Set(reflect.New(result.Type().Elem()))
- }
- result = result.Elem()
+ result.Set(reflect.ValueOf(value))
+ return newOffset, nil
}
- return result
}
-var sliceType = reflect.TypeOf([]byte{})
-
func (d *decoder) unmarshalBytes(size uint, offset uint, result reflect.Value) (uint, error) {
+
value, newOffset, err := d.decodeBytes(size, offset)
if err != nil {
return 0, err
}
switch result.Kind() {
+ default:
+ return newOffset, fmt.Errorf("trying to unmarshal %v into %v", value, result.Type())
case reflect.Slice:
- if result.Type() == sliceType {
- result.SetBytes(value)
- return newOffset, nil
- }
+ result.SetBytes(value)
+ return newOffset, nil
case reflect.Interface:
- if result.NumMethod() == 0 {
- result.Set(reflect.ValueOf(value))
- return newOffset, nil
- }
+ result.Set(reflect.ValueOf(value))
+ return newOffset, nil
}
- return newOffset, newUnmarshalTypeError(value, result.Type())
}
func (d *decoder) unmarshalFloat32(size uint, offset uint, result reflect.Value) (uint, error) {
if size != 4 {
- return 0, newInvalidDatabaseError("the MaxMind DB file's data section contains bad data (float32 size of %v)", size)
+ return 0, fmt.Errorf("the MaxMind DB file's data section contains bad data (float32 size of %v)", size)
}
value, newOffset, err := d.decodeFloat32(size, offset)
if err != nil {
@@ -236,46 +164,41 @@ func (d *decoder) unmarshalFloat32(size uint, offset uint, result reflect.Value)
}
switch result.Kind() {
+ default:
+ return newOffset, fmt.Errorf("trying to unmarshal %v into %v", value, result.Type())
case reflect.Float32, reflect.Float64:
result.SetFloat(float64(value))
return newOffset, nil
case reflect.Interface:
- if result.NumMethod() == 0 {
- result.Set(reflect.ValueOf(value))
- return newOffset, nil
- }
+ result.Set(reflect.ValueOf(value))
+ return newOffset, nil
}
- return newOffset, newUnmarshalTypeError(value, result.Type())
}
func (d *decoder) unmarshalFloat64(size uint, offset uint, result reflect.Value) (uint, error) {
if size != 8 {
- return 0, newInvalidDatabaseError("the MaxMind DB file's data section contains bad data (float 64 size of %v)", size)
+ return 0, fmt.Errorf("the MaxMind DB file's data section contains bad data (float 64 size of %v)", size)
}
value, newOffset, err := d.decodeFloat64(size, offset)
if err != nil {
return 0, err
}
switch result.Kind() {
+ default:
+ return newOffset, fmt.Errorf("trying to unmarshal %v into %v", value, result.Type())
case reflect.Float32, reflect.Float64:
- if result.OverflowFloat(value) {
- return 0, newUnmarshalTypeError(value, result.Type())
- }
result.SetFloat(value)
return newOffset, nil
case reflect.Interface:
- if result.NumMethod() == 0 {
- result.Set(reflect.ValueOf(value))
- return newOffset, nil
- }
+ result.Set(reflect.ValueOf(value))
+ return newOffset, nil
}
- return newOffset, newUnmarshalTypeError(value, result.Type())
}
func (d *decoder) unmarshalInt32(size uint, offset uint, result reflect.Value) (uint, error) {
if size > 4 {
- return 0, newInvalidDatabaseError("the MaxMind DB file's data section contains bad data (int32 size of %v)", size)
+ return 0, fmt.Errorf("the MaxMind DB file's data section contains bad data (int32 size of %v)", size)
}
value, newOffset, err := d.decodeInt(size, offset)
if err != nil {
@@ -283,105 +206,77 @@ func (d *decoder) unmarshalInt32(size uint, offset uint, result reflect.Value) (
}
switch result.Kind() {
+ default:
+ return newOffset, fmt.Errorf("trying to unmarshal %v into %v", value, result.Type())
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
- n := int64(value)
- if !result.OverflowInt(n) {
- result.SetInt(n)
- return newOffset, nil
- }
- case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
- n := uint64(value)
- if !result.OverflowUint(n) {
- result.SetUint(n)
- return newOffset, nil
- }
+ result.SetInt(int64(value))
+ return newOffset, nil
case reflect.Interface:
- if result.NumMethod() == 0 {
- result.Set(reflect.ValueOf(value))
- return newOffset, nil
- }
+ result.Set(reflect.ValueOf(value))
+ return newOffset, nil
}
- return newOffset, newUnmarshalTypeError(value, result.Type())
}
-func (d *decoder) unmarshalMap(
- size uint,
- offset uint,
- result reflect.Value,
- depth int,
-) (uint, error) {
- result = d.indirect(result)
+func (d *decoder) unmarshalMap(size uint, offset uint, result reflect.Value) (uint, error) {
switch result.Kind() {
default:
- return 0, newUnmarshalTypeError("map", result.Type())
+ return 0, fmt.Errorf("trying to unmarshal a map into %v", result.Type())
case reflect.Struct:
- return d.decodeStruct(size, offset, result, depth)
+ return d.decodeStruct(size, offset, result)
case reflect.Map:
- return d.decodeMap(size, offset, result, depth)
+ return d.decodeMap(size, offset, result)
case reflect.Interface:
- if result.NumMethod() == 0 {
- rv := reflect.ValueOf(make(map[string]interface{}, size))
- newOffset, err := d.decodeMap(size, offset, rv, depth)
- result.Set(rv)
- return newOffset, err
- }
- return 0, newUnmarshalTypeError("map", result.Type())
+ rv := reflect.ValueOf(make(map[string]interface{}, size))
+ newOffset, err := d.decodeMap(size, offset, rv)
+ result.Set(rv)
+ return newOffset, err
}
}
-func (d *decoder) unmarshalPointer(size uint, offset uint, result reflect.Value, depth int) (uint, error) {
- pointer, newOffset, err := d.decodePointer(size, offset)
- if err != nil {
- return 0, err
- }
- _, err = d.decode(pointer, result, depth)
+func (d *decoder) unmarshalPointer(size uint, offset uint, result reflect.Value) (uint, error) {
+ pointer, newOffset := d.decodePointer(size, offset)
+ _, err := d.decode(pointer, result)
return newOffset, err
}
-func (d *decoder) unmarshalSlice(
- size uint,
- offset uint,
- result reflect.Value,
- depth int,
-) (uint, error) {
+func (d *decoder) unmarshalSlice(size uint, offset uint, result reflect.Value) (uint, error) {
+
switch result.Kind() {
+ default:
+ return 0, fmt.Errorf("trying to unmarshal an array into %v", result.Type())
case reflect.Slice:
- return d.decodeSlice(size, offset, result, depth)
+ return d.decodeSlice(size, offset, result)
case reflect.Interface:
- if result.NumMethod() == 0 {
- a := []interface{}{}
- rv := reflect.ValueOf(&a).Elem()
- newOffset, err := d.decodeSlice(size, offset, rv, depth)
- result.Set(rv)
- return newOffset, err
- }
+ a := []interface{}{}
+ rv := reflect.ValueOf(&a).Elem()
+ newOffset, err := d.decodeSlice(size, offset, rv)
+ result.Set(rv)
+ return newOffset, err
}
- return 0, newUnmarshalTypeError("array", result.Type())
}
func (d *decoder) unmarshalString(size uint, offset uint, result reflect.Value) (uint, error) {
+
value, newOffset, err := d.decodeString(size, offset)
if err != nil {
return 0, err
}
switch result.Kind() {
+ default:
+ return newOffset, fmt.Errorf("trying to unmarshal %v into %v", value, result.Type())
case reflect.String:
result.SetString(value)
return newOffset, nil
case reflect.Interface:
- if result.NumMethod() == 0 {
- result.Set(reflect.ValueOf(value))
- return newOffset, nil
- }
+ result.Set(reflect.ValueOf(value))
+ return newOffset, nil
}
- return newOffset, newUnmarshalTypeError(value, result.Type())
-
}
func (d *decoder) unmarshalUint(size uint, offset uint, result reflect.Value, uintType uint) (uint, error) {
if size > uintType/8 {
- return 0, newInvalidDatabaseError("the MaxMind DB file's data section contains bad data (uint%v size of %v)", uintType, size)
+ return 0, fmt.Errorf("the MaxMind DB file's data section contains bad data (uint%v size of %v)", uintType, size)
}
value, newOffset, err := d.decodeUint(size, offset)
@@ -390,50 +285,38 @@ func (d *decoder) unmarshalUint(size uint, offset uint, result reflect.Value, ui
}
switch result.Kind() {
- case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
- n := int64(value)
- if !result.OverflowInt(n) {
- result.SetInt(n)
- return newOffset, nil
- }
+ default:
+ return newOffset, fmt.Errorf("trying to unmarshal %v into %v", value, result.Type())
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
- if !result.OverflowUint(value) {
- result.SetUint(value)
- return newOffset, nil
- }
+ result.SetUint(value)
+ return newOffset, nil
case reflect.Interface:
- if result.NumMethod() == 0 {
- result.Set(reflect.ValueOf(value))
- return newOffset, nil
- }
+ result.Set(reflect.ValueOf(value))
+ return newOffset, nil
}
- return newOffset, newUnmarshalTypeError(value, result.Type())
}
-var bigIntType = reflect.TypeOf(big.Int{})
-
func (d *decoder) unmarshalUint128(size uint, offset uint, result reflect.Value) (uint, error) {
if size > 16 {
- return 0, newInvalidDatabaseError("the MaxMind DB file's data section contains bad data (uint128 size of %v)", size)
+ return 0, fmt.Errorf("the MaxMind DB file's data section contains bad data (uint128 size of %v)", size)
}
value, newOffset, err := d.decodeUint128(size, offset)
if err != nil {
return 0, err
}
+ // XXX - this should allow *big.Int rather than just bigInt
+ // Currently this is reported as invalid
switch result.Kind() {
+ default:
+ return newOffset, fmt.Errorf("trying to unmarshal %v into %v", value, result.Type())
case reflect.Struct:
- if result.Type() == bigIntType {
- result.Set(reflect.ValueOf(*value))
- return newOffset, nil
- }
- case reflect.Interface:
- if result.NumMethod() == 0 {
- result.Set(reflect.ValueOf(value))
- return newOffset, nil
- }
+ result.Set(reflect.ValueOf(*value))
+ return newOffset, nil
+ case reflect.Interface, reflect.Ptr:
+ result.Set(reflect.ValueOf(value))
+ return newOffset, nil
}
- return newOffset, newUnmarshalTypeError(value, result.Type())
}
func (d *decoder) decodeBool(size uint, offset uint) (bool, uint, error) {
@@ -449,71 +332,67 @@ func (d *decoder) decodeBytes(size uint, offset uint) ([]byte, uint, error) {
func (d *decoder) decodeFloat64(size uint, offset uint) (float64, uint, error) {
newOffset := offset + size
- bits := binary.BigEndian.Uint64(d.buffer[offset:newOffset])
- return math.Float64frombits(bits), newOffset, nil
+ var dbl float64
+ binary.Read(bytes.NewBuffer(d.buffer[offset:newOffset]), binary.BigEndian, &dbl)
+ return dbl, newOffset, nil
}
func (d *decoder) decodeFloat32(size uint, offset uint) (float32, uint, error) {
newOffset := offset + size
- bits := binary.BigEndian.Uint32(d.buffer[offset:newOffset])
- return math.Float32frombits(bits), newOffset, nil
+ var flt float32
+ binary.Read(bytes.NewBuffer(d.buffer[offset:newOffset]), binary.BigEndian, &flt)
+ return flt, newOffset, nil
}
func (d *decoder) decodeInt(size uint, offset uint) (int, uint, error) {
newOffset := offset + size
- var val int32
- for _, b := range d.buffer[offset:newOffset] {
- val = (val << 8) | int32(b)
+ intBytes := d.buffer[offset:newOffset]
+ if size != 4 {
+ pad := make([]byte, 4-size)
+ intBytes = append(pad, intBytes...)
}
+
+ var val int32
+ binary.Read(bytes.NewBuffer(intBytes), binary.BigEndian, &val)
+
return int(val), newOffset, nil
}
-func (d *decoder) decodeMap(
- size uint,
- offset uint,
- result reflect.Value,
- depth int,
-) (uint, error) {
+func (d *decoder) decodeMap(size uint, offset uint, result reflect.Value) (uint, error) {
if result.IsNil() {
result.Set(reflect.MakeMap(result.Type()))
}
for i := uint(0); i < size; i++ {
- var key []byte
+ var key string
var err error
- key, offset, err = d.decodeKey(offset)
+ key, offset, err = d.decodeKeyString(offset)
if err != nil {
return 0, err
}
value := reflect.New(result.Type().Elem())
- offset, err = d.decode(offset, value, depth)
+ offset, err = d.decode(offset, value)
if err != nil {
return 0, err
}
- result.SetMapIndex(reflect.ValueOf(string(key)), value.Elem())
+ result.SetMapIndex(reflect.ValueOf(key), value.Elem())
}
return offset, nil
}
-func (d *decoder) decodePointer(
- size uint,
- offset uint,
-) (uint, uint, error) {
+func (d *decoder) decodePointer(size uint, offset uint) (uint, uint) {
pointerSize := ((size >> 3) & 0x3) + 1
newOffset := offset + pointerSize
- if newOffset > uint(len(d.buffer)) {
- return 0, 0, newOffsetError()
- }
pointerBytes := d.buffer[offset:newOffset]
- var prefix uint
+ var prefix uint64
if pointerSize == 4 {
prefix = 0
} else {
- prefix = uint(size & 0x7)
+ prefix = uint64(size & 0x7)
}
- unpacked := uintFromBytes(prefix, pointerBytes)
+ unpacked := uint(uintFromBytes(prefix, pointerBytes))
var pointerValueOffset uint
switch pointerSize {
@@ -527,21 +406,16 @@ func (d *decoder) decodePointer(
pointerValueOffset = 0
}
- pointer := unpacked + pointerValueOffset
+ pointer := unpacked + d.pointerBase + pointerValueOffset
- return pointer, newOffset, nil
+ return pointer, newOffset
}
-func (d *decoder) decodeSlice(
- size uint,
- offset uint,
- result reflect.Value,
- depth int,
-) (uint, error) {
+func (d *decoder) decodeSlice(size uint, offset uint, result reflect.Value) (uint, error) {
result.Set(reflect.MakeSlice(result.Type(), int(size), int(size)))
for i := 0; i < int(size); i++ {
var err error
- offset, err = d.decode(offset, result.Index(i), depth)
+ offset, err = d.decode(offset, result.Index(i))
if err != nil {
return 0, err
}
@@ -554,83 +428,36 @@ func (d *decoder) decodeString(size uint, offset uint) (string, uint, error) {
return string(d.buffer[offset:newOffset]), newOffset, nil
}
-type fieldsType struct {
- namedFields map[string]int
- anonymousFields []int
-}
-
-var (
- fieldMap = map[reflect.Type]*fieldsType{}
- fieldMapMu sync.RWMutex
-)
-
-func (d *decoder) decodeStruct(
- size uint,
- offset uint,
- result reflect.Value,
- depth int,
-) (uint, error) {
+func (d *decoder) decodeStruct(size uint, offset uint, result reflect.Value) (uint, error) {
resultType := result.Type()
+ numFields := resultType.NumField()
- fieldMapMu.RLock()
- fields, ok := fieldMap[resultType]
- fieldMapMu.RUnlock()
- if !ok {
- numFields := resultType.NumField()
- namedFields := make(map[string]int, numFields)
- var anonymous []int
- for i := 0; i < numFields; i++ {
- field := resultType.Field(i)
-
- fieldName := field.Name
- if tag := field.Tag.Get("maxminddb"); tag != "" {
- if tag == "-" {
- continue
- }
- fieldName = tag
- }
- if field.Anonymous {
- anonymous = append(anonymous, i)
- continue
- }
- namedFields[fieldName] = i
- }
- fieldMapMu.Lock()
- fields = &fieldsType{namedFields, anonymous}
- fieldMap[resultType] = fields
- fieldMapMu.Unlock()
- }
+ fields := make(map[string]reflect.Value, numFields)
+ for i := 0; i < numFields; i++ {
+ fieldType := resultType.Field(i)
- // This fills in embedded structs
- for i := range fields.anonymousFields {
- _, err := d.unmarshalMap(size, offset, result.Field(i), depth)
- if err != nil {
- return 0, err
+ fieldName := fieldType.Name
+ tag := fieldType.Tag.Get("maxminddb")
+ if tag != "" {
+ fieldName = tag
}
+ fields[fieldName] = result.Field(i)
}
- // This handles named fields
for i := uint(0); i < size; i++ {
- var (
- err error
- key []byte
- )
- key, offset, err = d.decodeKey(offset)
+
+ var key string
+ var err error
+ key, offset, err = d.decodeKeyString(offset)
if err != nil {
return 0, err
}
- // The string() does not create a copy due to this compiler
- // optimization: https://github.com/golang/go/issues/3512
- j, ok := fields.namedFields[string(key)]
+ field, ok := fields[key]
if !ok {
- offset, err = d.nextValueOffset(offset, 1)
- if err != nil {
- return 0, err
- }
+ offset = d.nextValueOffset(offset, 1)
continue
}
-
- offset, err = d.decode(offset, result.Field(j), depth)
+ offset, err = d.decode(offset, field)
if err != nil {
return 0, err
}
@@ -640,12 +467,8 @@ func (d *decoder) decodeStruct(
func (d *decoder) decodeUint(size uint, offset uint) (uint64, uint, error) {
newOffset := offset + size
- bytes := d.buffer[offset:newOffset]
+ val := uintFromBytes(0, d.buffer[offset:newOffset])
- var val uint64
- for _, b := range bytes {
- val = (val << 8) | uint64(b)
- }
return val, newOffset, nil
}
@@ -657,58 +480,38 @@ func (d *decoder) decodeUint128(size uint, offset uint) (*big.Int, uint, error)
return val, newOffset, nil
}
-func uintFromBytes(prefix uint, uintBytes []byte) uint {
+func uintFromBytes(prefix uint64, uintBytes []byte) uint64 {
val := prefix
for _, b := range uintBytes {
- val = (val << 8) | uint(b)
+ val = (val << 8) | uint64(b)
}
return val
}
-// decodeKey decodes a map key into []byte slice. We use a []byte so that we
-// can take advantage of https://github.com/golang/go/issues/3512 to avoid
-// copying the bytes when decoding a struct. Previously, we achieved this by
-// using unsafe.
-func (d *decoder) decodeKey(offset uint) ([]byte, uint, error) {
- typeNum, size, dataOffset, err := d.decodeCtrlData(offset)
- if err != nil {
- return nil, 0, err
- }
+func (d *decoder) decodeKeyString(offset uint) (string, uint, error) {
+ typeNum, size, newOffset := d.decodeCtrlData(offset)
if typeNum == _Pointer {
- pointer, ptrOffset, err := d.decodePointer(size, dataOffset)
- if err != nil {
- return nil, 0, err
- }
- key, _, err := d.decodeKey(pointer)
+ pointer, ptrOffset := d.decodePointer(size, newOffset)
+ key, _, err := d.decodeKeyString(pointer)
return key, ptrOffset, err
}
if typeNum != _String {
- return nil, 0, newInvalidDatabaseError("unexpected type when decoding string: %v", typeNum)
+ return "", 0, fmt.Errorf("unexpected type when decoding string: %v", typeNum)
}
- newOffset := dataOffset + size
- if newOffset > uint(len(d.buffer)) {
- return nil, 0, newOffsetError()
- }
- return d.buffer[dataOffset:newOffset], newOffset, nil
+ return d.decodeString(size, newOffset)
}
// This function is used to skip ahead to the next value without decoding
// the one at the offset passed in. The size bits have different meanings for
// different data types
-func (d *decoder) nextValueOffset(offset uint, numberToSkip uint) (uint, error) {
+func (d *decoder) nextValueOffset(offset uint, numberToSkip uint) uint {
if numberToSkip == 0 {
- return offset, nil
- }
- typeNum, size, offset, err := d.decodeCtrlData(offset)
- if err != nil {
- return 0, err
+ return offset
}
+ typeNum, size, offset := d.decodeCtrlData(offset)
switch typeNum {
case _Pointer:
- _, offset, err = d.decodePointer(size, offset)
- if err != nil {
- return 0, err
- }
+ _, offset = d.decodePointer(size, offset)
case _Map:
numberToSkip += 2 * size
case _Slice:
diff --git a/vendor/github.com/oschwald/maxminddb-golang/errors.go b/vendor/github.com/oschwald/maxminddb-golang/errors.go
deleted file mode 100644
index 1327800..0000000
--- a/vendor/github.com/oschwald/maxminddb-golang/errors.go
+++ /dev/null
@@ -1,42 +0,0 @@
-package maxminddb
-
-import (
- "fmt"
- "reflect"
-)
-
-// InvalidDatabaseError is returned when the database contains invalid data
-// and cannot be parsed.
-type InvalidDatabaseError struct {
- message string
-}
-
-func newOffsetError() InvalidDatabaseError {
- return InvalidDatabaseError{"unexpected end of database"}
-}
-
-func newInvalidDatabaseError(format string, args ...interface{}) InvalidDatabaseError {
- return InvalidDatabaseError{fmt.Sprintf(format, args...)}
-}
-
-func (e InvalidDatabaseError) Error() string {
- return e.message
-}
-
-// UnmarshalTypeError is returned when the value in the database cannot be
-// assigned to the specified data type.
-type UnmarshalTypeError struct {
- Value string // stringified copy of the database value that caused the error
- Type reflect.Type // type of the value that could not be assign to
-}
-
-func newUnmarshalTypeError(value interface{}, rType reflect.Type) UnmarshalTypeError {
- return UnmarshalTypeError{
- Value: fmt.Sprintf("%v", value),
- Type: rType,
- }
-}
-
-func (e UnmarshalTypeError) Error() string {
- return fmt.Sprintf("maxminddb: cannot unmarshal %s into type %s", e.Value, e.Type.String())
-}
diff --git a/vendor/github.com/oschwald/maxminddb-golang/mmap_unix.go b/vendor/github.com/oschwald/maxminddb-golang/mmap_unix.go
deleted file mode 100644
index 99f98ca..0000000
--- a/vendor/github.com/oschwald/maxminddb-golang/mmap_unix.go
+++ /dev/null
@@ -1,17 +0,0 @@
-// +build !windows,!appengine
-
-package maxminddb
-
-import (
- "syscall"
-
- "golang.org/x/sys/unix"
-)
-
-func mmap(fd int, length int) (data []byte, err error) {
- return unix.Mmap(fd, 0, length, syscall.PROT_READ, syscall.MAP_SHARED)
-}
-
-func munmap(b []byte) (err error) {
- return unix.Munmap(b)
-}
diff --git a/vendor/github.com/oschwald/maxminddb-golang/reader.go b/vendor/github.com/oschwald/maxminddb-golang/reader.go
index bc933e9..984440b 100644
--- a/vendor/github.com/oschwald/maxminddb-golang/reader.go
+++ b/vendor/github.com/oschwald/maxminddb-golang/reader.go
@@ -5,16 +5,11 @@ import (
"errors"
"fmt"
"net"
+ "os"
"reflect"
)
-const (
- // NotFound is returned by LookupOffset when a matched root record offset
- // cannot be found.
- NotFound = ^uintptr(0)
-
- dataSectionSeparatorSize = 16
-)
+const dataSectionSeparatorSize = 16
var metadataStartMarker = []byte("\xAB\xCD\xEFMaxMind.com")
@@ -44,42 +39,62 @@ type Metadata struct {
RecordSize uint `maxminddb:"record_size"`
}
+// Open takes a string path to a MaxMind DB file and returns a Reader
+// structure or an error. The database file is opened using a memory map. Use
+// the Close method on the Reader object to return the resources to the
+// system.
+func Open(file string) (*Reader, error) {
+ mapFile, err := os.Open(file)
+ if err != nil {
+ return nil, err
+ }
+ defer mapFile.Close()
+
+ stats, err := mapFile.Stat()
+ if err != nil {
+ return nil, err
+ }
+
+ fileSize := int(stats.Size())
+ mmap, err := mmap(int(mapFile.Fd()), fileSize)
+ if err != nil {
+ return nil, err
+ }
+
+ reader, err := FromBytes(mmap)
+ if err != nil {
+ munmap(mmap)
+ return nil, err
+ }
+
+ reader.hasMappedFile = true
+ return reader, nil
+}
+
// FromBytes takes a byte slice corresponding to a MaxMind DB file and returns
// a Reader structure or an error.
func FromBytes(buffer []byte) (*Reader, error) {
metadataStart := bytes.LastIndex(buffer, metadataStartMarker)
if metadataStart == -1 {
- return nil, newInvalidDatabaseError("error opening database: invalid MaxMind DB file")
+ return nil, fmt.Errorf("error opening database file: invalid MaxMind DB file")
}
metadataStart += len(metadataStartMarker)
- metadataDecoder := decoder{buffer[metadataStart:]}
+ metadataDecoder := decoder{buffer, uint(metadataStart)}
var metadata Metadata
rvMetdata := reflect.ValueOf(&metadata)
- _, err := metadataDecoder.decode(0, rvMetdata, 0)
+ _, err := metadataDecoder.decode(uint(metadataStart), rvMetdata)
if err != nil {
return nil, err
}
searchTreeSize := metadata.NodeCount * metadata.RecordSize / 4
- dataSectionStart := searchTreeSize + dataSectionSeparatorSize
- dataSectionEnd := uint(metadataStart - len(metadataStartMarker))
- if dataSectionStart > dataSectionEnd {
- return nil, newInvalidDatabaseError("the MaxMind DB contains invalid metadata")
- }
- d := decoder{
- buffer[searchTreeSize+dataSectionSeparatorSize : metadataStart-len(metadataStartMarker)],
- }
+ decoder := decoder{buffer, searchTreeSize + dataSectionSeparatorSize}
- reader := &Reader{
- buffer: buffer,
- decoder: d,
- Metadata: metadata,
- ipv4Start: 0,
- }
+ reader := &Reader{buffer: buffer, decoder: decoder, Metadata: metadata, ipv4Start: 0}
reader.ipv4Start, err = reader.startNode()
@@ -105,57 +120,22 @@ func (r *Reader) startNode() (uint, error) {
}
// Lookup takes an IP address as a net.IP structure and a pointer to the
-// result value to Decode into.
-func (r *Reader) Lookup(ipAddress net.IP, result interface{}) error {
- pointer, err := r.lookupPointer(ipAddress)
- if pointer == 0 || err != nil {
- return err
- }
- return r.retrieveData(pointer, result)
-}
-
-// LookupOffset maps an argument net.IP to a corresponding record offset in the
-// database. NotFound is returned if no such record is found, and a record may
-// otherwise be extracted by passing the returned offset to Decode. LookupOffset
-// is an advanced API, which exists to provide clients with a means to cache
-// previously-decoded records.
-func (r *Reader) LookupOffset(ipAddress net.IP) (uintptr, error) {
- pointer, err := r.lookupPointer(ipAddress)
- if pointer == 0 || err != nil {
- return NotFound, err
- }
- return r.resolveDataPointer(pointer)
-}
-
-// Decode the record at |offset| into |result|. The result value pointed to
-// must be a data value that corresponds to a record in the database. This may
-// include a struct representation of the data, a map capable of holding the
-// data or an empty interface{} value.
+// result value to decode into. The result value pointed to must be a data
+// value that corresponds to a record in the database. This may include a
+// struct representation of the data, a map capable of holding the data or an
+// empty interface{} value.
//
// If result is a pointer to a struct, the struct need not include a field
// for every value that may be in the database. If a field is not present in
// the structure, the decoder will not decode that field, reducing the time
// required to decode the record.
//
-// As a special case, a struct field of type uintptr will be used to capture
-// the offset of the value. Decode may later be used to extract the stored
-// value from the offset. MaxMind DBs are highly normalized: for example in
-// the City database, all records of the same country will reference a
-// single representative record for that country. This uintptr behavior allows
-// clients to leverage this normalization in their own sub-record caching.
-func (r *Reader) Decode(offset uintptr, result interface{}) error {
- rv := reflect.ValueOf(result)
- if rv.Kind() != reflect.Ptr || rv.IsNil() {
- return errors.New("result param must be a pointer")
- }
-
- _, err := r.decoder.decode(uint(offset), reflect.ValueOf(result), 0)
- return err
-}
-
-func (r *Reader) lookupPointer(ipAddress net.IP) (uint, error) {
+// Currently the decoder expect most data types to correspond exactly (e.g.,
+// a uint64 database type must be decoded into a uint64 Go type). In the
+// future, this may be made more flexible.
+func (r *Reader) Lookup(ipAddress net.IP, result interface{}) error {
if ipAddress == nil {
- return 0, errors.New("ipAddress passed to Lookup cannot be nil")
+ return errors.New("ipAddress passed to Lookup cannot be nil")
}
ipV4Address := ipAddress.To4()
@@ -163,10 +143,20 @@ func (r *Reader) lookupPointer(ipAddress net.IP) (uint, error) {
ipAddress = ipV4Address
}
if len(ipAddress) == 16 && r.Metadata.IPVersion == 4 {
- return 0, fmt.Errorf("error looking up '%s': you attempted to look up an IPv6 address in an IPv4-only database", ipAddress.String())
+ return fmt.Errorf("error looking up '%s': you attempted to look up an IPv6 address in an IPv4-only database", ipAddress.String())
+ }
+
+ pointer, err := r.findAddressInTree(ipAddress)
+
+ if pointer == 0 {
+ return err
}
- return r.findAddressInTree(ipAddress)
+ rv := reflect.ValueOf(result)
+ if rv.Kind() != reflect.Ptr || rv.IsNil() {
+ return errors.New("result param for Lookup must be a pointer")
+ }
+ return r.resolveDataPointer(pointer, rv)
}
func (r *Reader) findAddressInTree(ipAddress net.IP) (uint, error) {
@@ -196,7 +186,7 @@ func (r *Reader) findAddressInTree(ipAddress net.IP) (uint, error) {
return node, nil
}
- return 0, newInvalidDatabaseError("invalid node in search tree")
+ return 0, errors.New("invalid node in search tree")
}
func (r *Reader) readNode(nodeNumber uint, index uint) (uint, error) {
@@ -205,13 +195,13 @@ func (r *Reader) readNode(nodeNumber uint, index uint) (uint, error) {
baseOffset := nodeNumber * RecordSize / 4
var nodeBytes []byte
- var prefix uint
+ var prefix uint64
switch RecordSize {
case 24:
offset := baseOffset + index*3
nodeBytes = r.buffer[offset : offset+3]
case 28:
- prefix = uint(r.buffer[baseOffset+3])
+ prefix = uint64(r.buffer[baseOffset+3])
if index != 0 {
prefix &= 0x0F
} else {
@@ -223,24 +213,31 @@ func (r *Reader) readNode(nodeNumber uint, index uint) (uint, error) {
offset := baseOffset + index*4
nodeBytes = r.buffer[offset : offset+4]
default:
- return 0, newInvalidDatabaseError("unknown record size: %d", RecordSize)
+ return 0, fmt.Errorf("unknown record size: %d", RecordSize)
}
- return uintFromBytes(prefix, nodeBytes), nil
+ return uint(uintFromBytes(prefix, nodeBytes)), nil
}
-func (r *Reader) retrieveData(pointer uint, result interface{}) error {
- offset, err := r.resolveDataPointer(pointer)
- if err != nil {
- return err
+func (r *Reader) resolveDataPointer(pointer uint, result reflect.Value) error {
+ nodeCount := r.Metadata.NodeCount
+ searchTreeSize := r.Metadata.RecordSize * nodeCount / 4
+
+ resolved := pointer - nodeCount + searchTreeSize
+
+ if resolved > uint(len(r.buffer)) {
+ return errors.New("the MaxMind DB file's search tree is corrupt")
}
- return r.Decode(offset, result)
-}
-func (r *Reader) resolveDataPointer(pointer uint) (uintptr, error) {
- var resolved = uintptr(pointer - r.Metadata.NodeCount - dataSectionSeparatorSize)
+ _, err := r.decoder.decode(resolved, result)
+ return err
+}
- if resolved > uintptr(len(r.buffer)) {
- return 0, newInvalidDatabaseError("the MaxMind DB file's search tree is corrupt")
+// Close unmaps the database file from virtual memory and returns the
+// resources to the system. If called on a Reader opened using FromBytes,
+// this method does nothing.
+func (r *Reader) Close() {
+ if r.hasMappedFile {
+ munmap(r.buffer)
+ r.hasMappedFile = false
}
- return resolved, nil
}
diff --git a/vendor/github.com/oschwald/maxminddb-golang/reader_appengine.go b/vendor/github.com/oschwald/maxminddb-golang/reader_appengine.go
deleted file mode 100644
index 631e195..0000000
--- a/vendor/github.com/oschwald/maxminddb-golang/reader_appengine.go
+++ /dev/null
@@ -1,26 +0,0 @@
-// +build appengine
-
-package maxminddb
-
-import "io/ioutil"
-
-// Open takes a string path to a MaxMind DB file and returns a Reader
-// structure or an error. The database file is opened using a memory map,
-// except on Google App Engine where mmap is not supported; there the database
-// is loaded into memory. Use the Close method on the Reader object to return
-// the resources to the system.
-func Open(file string) (*Reader, error) {
- bytes, err := ioutil.ReadFile(file)
- if err != nil {
- return nil, err
- }
-
- return FromBytes(bytes)
-}
-
-// Close unmaps the database file from virtual memory and returns the
-// resources to the system. If called on a Reader opened using FromBytes
-// or Open on Google App Engine, this method does nothing.
-func (r *Reader) Close() error {
- return nil
-}
diff --git a/vendor/github.com/oschwald/maxminddb-golang/reader_other.go b/vendor/github.com/oschwald/maxminddb-golang/reader_other.go
deleted file mode 100644
index b611a95..0000000
--- a/vendor/github.com/oschwald/maxminddb-golang/reader_other.go
+++ /dev/null
@@ -1,61 +0,0 @@
-// +build !appengine
-
-package maxminddb
-
-import (
- "os"
- "runtime"
-)
-
-// Open takes a string path to a MaxMind DB file and returns a Reader
-// structure or an error. The database file is opened using a memory map,
-// except on Google App Engine where mmap is not supported; there the database
-// is loaded into memory. Use the Close method on the Reader object to return
-// the resources to the system.
-func Open(file string) (*Reader, error) {
- mapFile, err := os.Open(file)
- if err != nil {
- return nil, err
- }
- defer func() {
- if rerr := mapFile.Close(); rerr != nil {
- err = rerr
- }
- }()
-
- stats, err := mapFile.Stat()
- if err != nil {
- return nil, err
- }
-
- fileSize := int(stats.Size())
- mmap, err := mmap(int(mapFile.Fd()), fileSize)
- if err != nil {
- return nil, err
- }
-
- reader, err := FromBytes(mmap)
- if err != nil {
- if err2 := munmap(mmap); err2 != nil {
- // failing to unmap the file is probably the more severe error
- return nil, err2
- }
- return nil, err
- }
-
- reader.hasMappedFile = true
- runtime.SetFinalizer(reader, (*Reader).Close)
- return reader, err
-}
-
-// Close unmaps the database file from virtual memory and returns the
-// resources to the system. If called on a Reader opened using FromBytes
-// or Open on Google App Engine, this method does nothing.
-func (r *Reader) Close() error {
- if !r.hasMappedFile {
- return nil
- }
- runtime.SetFinalizer(r, nil)
- r.hasMappedFile = false
- return munmap(r.buffer)
-}
diff --git a/vendor/github.com/oschwald/maxminddb-golang/reader_unix.go b/vendor/github.com/oschwald/maxminddb-golang/reader_unix.go
new file mode 100644
index 0000000..e6ba9fd
--- /dev/null
+++ b/vendor/github.com/oschwald/maxminddb-golang/reader_unix.go
@@ -0,0 +1,15 @@
+// +build !windows
+
+package maxminddb
+
+import (
+ "syscall"
+)
+
+func mmap(fd int, length int) (data []byte, err error) {
+ return syscall.Mmap(fd, 0, length, syscall.PROT_READ, syscall.MAP_SHARED)
+}
+
+func munmap(b []byte) (err error) {
+ return syscall.Munmap(b)
+}
diff --git a/vendor/github.com/oschwald/maxminddb-golang/mmap_windows.go b/vendor/github.com/oschwald/maxminddb-golang/reader_windows.go
similarity index 70%
rename from vendor/github.com/oschwald/maxminddb-golang/mmap_windows.go
rename to vendor/github.com/oschwald/maxminddb-golang/reader_windows.go
index 661250e..b8e2466 100644
--- a/vendor/github.com/oschwald/maxminddb-golang/mmap_windows.go
+++ b/vendor/github.com/oschwald/maxminddb-golang/reader_windows.go
@@ -1,37 +1,33 @@
-// +build windows,!appengine
-
-package maxminddb
-
// Windows support largely borrowed from mmap-go.
//
// Copyright 2011 Evan Shaw. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
+package maxminddb
import (
"errors"
"os"
"reflect"
"sync"
+ "syscall"
"unsafe"
-
- "golang.org/x/sys/windows"
)
-type memoryMap []byte
+type MMap []byte
// Windows
var handleLock sync.Mutex
-var handleMap = map[uintptr]windows.Handle{}
+var handleMap = map[uintptr]syscall.Handle{}
func mmap(fd int, length int) (data []byte, err error) {
- h, errno := windows.CreateFileMapping(windows.Handle(fd), nil,
- uint32(windows.PAGE_READONLY), 0, uint32(length), nil)
+ h, errno := syscall.CreateFileMapping(syscall.Handle(fd), nil,
+ uint32(syscall.PAGE_READONLY), 0, uint32(length), nil)
if h == 0 {
return nil, os.NewSyscallError("CreateFileMapping", errno)
}
- addr, errno := windows.MapViewOfFile(h, uint32(windows.FILE_MAP_READ), 0,
+ addr, errno := syscall.MapViewOfFile(h, uint32(syscall.FILE_MAP_READ), 0,
0, uintptr(length))
if addr == 0 {
return nil, os.NewSyscallError("MapViewOfFile", errno)
@@ -40,7 +36,7 @@ func mmap(fd int, length int) (data []byte, err error) {
handleMap[addr] = h
handleLock.Unlock()
- m := memoryMap{}
+ m := MMap{}
dh := m.header()
dh.Data = addr
dh.Len = length
@@ -49,24 +45,24 @@ func mmap(fd int, length int) (data []byte, err error) {
return m, nil
}
-func (m *memoryMap) header() *reflect.SliceHeader {
+func (m *MMap) header() *reflect.SliceHeader {
return (*reflect.SliceHeader)(unsafe.Pointer(m))
}
func flush(addr, len uintptr) error {
- errno := windows.FlushViewOfFile(addr, len)
+ errno := syscall.FlushViewOfFile(addr, len)
return os.NewSyscallError("FlushViewOfFile", errno)
}
func munmap(b []byte) (err error) {
- m := memoryMap(b)
+ m := MMap(b)
dh := m.header()
addr := dh.Data
length := uintptr(dh.Len)
flush(addr, length)
- err = windows.UnmapViewOfFile(addr)
+ err = syscall.UnmapViewOfFile(addr)
if err != nil {
return err
}
@@ -80,6 +76,6 @@ func munmap(b []byte) (err error) {
}
delete(handleMap, addr)
- e := windows.CloseHandle(windows.Handle(handle))
+ e := syscall.CloseHandle(syscall.Handle(handle))
return os.NewSyscallError("CloseHandle", e)
}
diff --git a/vendor/github.com/oschwald/maxminddb-golang/traverse.go b/vendor/github.com/oschwald/maxminddb-golang/traverse.go
deleted file mode 100644
index f9b443c..0000000
--- a/vendor/github.com/oschwald/maxminddb-golang/traverse.go
+++ /dev/null
@@ -1,108 +0,0 @@
-package maxminddb
-
-import "net"
-
-// Internal structure used to keep track of nodes we still need to visit.
-type netNode struct {
- ip net.IP
- bit uint
- pointer uint
-}
-
-// Networks represents a set of subnets that we are iterating over.
-type Networks struct {
- reader *Reader
- nodes []netNode // Nodes we still have to visit.
- lastNode netNode
- err error
-}
-
-// Networks returns an iterator that can be used to traverse all networks in
-// the database.
-//
-// Please note that a MaxMind DB may map IPv4 networks into several locations
-// in in an IPv6 database. This iterator will iterate over all of these
-// locations separately.
-func (r *Reader) Networks() *Networks {
- s := 4
- if r.Metadata.IPVersion == 6 {
- s = 16
- }
- return &Networks{
- reader: r,
- nodes: []netNode{
- {
- ip: make(net.IP, s),
- },
- },
- }
-}
-
-// Next prepares the next network for reading with the Network method. It
-// returns true if there is another network to be processed and false if there
-// are no more networks or if there is an error.
-func (n *Networks) Next() bool {
- for len(n.nodes) > 0 {
- node := n.nodes[len(n.nodes)-1]
- n.nodes = n.nodes[:len(n.nodes)-1]
-
- for {
- if node.pointer < n.reader.Metadata.NodeCount {
- ipRight := make(net.IP, len(node.ip))
- copy(ipRight, node.ip)
- if len(ipRight) <= int(node.bit>>3) {
- n.err = newInvalidDatabaseError(
- "invalid search tree at %v/%v", ipRight, node.bit)
- return false
- }
- ipRight[node.bit>>3] |= 1 << (7 - (node.bit % 8))
-
- rightPointer, err := n.reader.readNode(node.pointer, 1)
- if err != nil {
- n.err = err
- return false
- }
-
- node.bit++
- n.nodes = append(n.nodes, netNode{
- pointer: rightPointer,
- ip: ipRight,
- bit: node.bit,
- })
-
- node.pointer, err = n.reader.readNode(node.pointer, 0)
- if err != nil {
- n.err = err
- return false
- }
-
- } else if node.pointer > n.reader.Metadata.NodeCount {
- n.lastNode = node
- return true
- } else {
- break
- }
- }
- }
-
- return false
-}
-
-// Network returns the current network or an error if there is a problem
-// decoding the data for the network. It takes a pointer to a result value to
-// decode the network's data into.
-func (n *Networks) Network(result interface{}) (*net.IPNet, error) {
- if err := n.reader.retrieveData(n.lastNode.pointer, result); err != nil {
- return nil, err
- }
-
- return &net.IPNet{
- IP: n.lastNode.ip,
- Mask: net.CIDRMask(int(n.lastNode.bit), len(n.lastNode.ip)*8),
- }, nil
-}
-
-// Err returns an error, if any, that was encountered during iteration.
-func (n *Networks) Err() error {
- return n.err
-}
diff --git a/vendor/github.com/oschwald/maxminddb-golang/verifier.go b/vendor/github.com/oschwald/maxminddb-golang/verifier.go
deleted file mode 100644
index ace9d35..0000000
--- a/vendor/github.com/oschwald/maxminddb-golang/verifier.go
+++ /dev/null
@@ -1,185 +0,0 @@
-package maxminddb
-
-import "reflect"
-
-type verifier struct {
- reader *Reader
-}
-
-// Verify checks that the database is valid. It validates the search tree,
-// the data section, and the metadata section. This verifier is stricter than
-// the specification and may return errors on databases that are readable.
-func (r *Reader) Verify() error {
- v := verifier{r}
- if err := v.verifyMetadata(); err != nil {
- return err
- }
-
- return v.verifyDatabase()
-}
-
-func (v *verifier) verifyMetadata() error {
- metadata := v.reader.Metadata
-
- if metadata.BinaryFormatMajorVersion != 2 {
- return testError(
- "binary_format_major_version",
- 2,
- metadata.BinaryFormatMajorVersion,
- )
- }
-
- if metadata.BinaryFormatMinorVersion != 0 {
- return testError(
- "binary_format_minor_version",
- 0,
- metadata.BinaryFormatMinorVersion,
- )
- }
-
- if metadata.DatabaseType == "" {
- return testError(
- "database_type",
- "non-empty string",
- metadata.DatabaseType,
- )
- }
-
- if len(metadata.Description) == 0 {
- return testError(
- "description",
- "non-empty slice",
- metadata.Description,
- )
- }
-
- if metadata.IPVersion != 4 && metadata.IPVersion != 6 {
- return testError(
- "ip_version",
- "4 or 6",
- metadata.IPVersion,
- )
- }
-
- if metadata.RecordSize != 24 &&
- metadata.RecordSize != 28 &&
- metadata.RecordSize != 32 {
- return testError(
- "record_size",
- "24, 28, or 32",
- metadata.RecordSize,
- )
- }
-
- if metadata.NodeCount == 0 {
- return testError(
- "node_count",
- "positive integer",
- metadata.NodeCount,
- )
- }
- return nil
-}
-
-func (v *verifier) verifyDatabase() error {
- offsets, err := v.verifySearchTree()
- if err != nil {
- return err
- }
-
- if err := v.verifyDataSectionSeparator(); err != nil {
- return err
- }
-
- return v.verifyDataSection(offsets)
-}
-
-func (v *verifier) verifySearchTree() (map[uint]bool, error) {
- offsets := make(map[uint]bool)
-
- it := v.reader.Networks()
- for it.Next() {
- offset, err := v.reader.resolveDataPointer(it.lastNode.pointer)
- if err != nil {
- return nil, err
- }
- offsets[uint(offset)] = true
- }
- if err := it.Err(); err != nil {
- return nil, err
- }
- return offsets, nil
-}
-
-func (v *verifier) verifyDataSectionSeparator() error {
- separatorStart := v.reader.Metadata.NodeCount * v.reader.Metadata.RecordSize / 4
-
- separator := v.reader.buffer[separatorStart : separatorStart+dataSectionSeparatorSize]
-
- for _, b := range separator {
- if b != 0 {
- return newInvalidDatabaseError("unexpected byte in data separator: %v", separator)
- }
- }
- return nil
-}
-
-func (v *verifier) verifyDataSection(offsets map[uint]bool) error {
- pointerCount := len(offsets)
-
- decoder := v.reader.decoder
-
- var offset uint
- bufferLen := uint(len(decoder.buffer))
- for offset < bufferLen {
- var data interface{}
- rv := reflect.ValueOf(&data)
- newOffset, err := decoder.decode(offset, rv, 0)
- if err != nil {
- return newInvalidDatabaseError("received decoding error (%v) at offset of %v", err, offset)
- }
- if newOffset <= offset {
- return newInvalidDatabaseError("data section offset unexpectedly went from %v to %v", offset, newOffset)
- }
-
- pointer := offset
-
- if _, ok := offsets[pointer]; ok {
- delete(offsets, pointer)
- } else {
- return newInvalidDatabaseError("found data (%v) at %v that the search tree does not point to", data, pointer)
- }
-
- offset = newOffset
- }
-
- if offset != bufferLen {
- return newInvalidDatabaseError(
- "unexpected data at the end of the data section (last offset: %v, end: %v)",
- offset,
- bufferLen,
- )
- }
-
- if len(offsets) != 0 {
- return newInvalidDatabaseError(
- "found %v pointers (of %v) in the search tree that we did not see in the data section",
- len(offsets),
- pointerCount,
- )
- }
- return nil
-}
-
-func testError(
- field string,
- expected interface{},
- actual interface{},
-) error {
- return newInvalidDatabaseError(
- "%v - Expected: %v Actual: %v",
- field,
- expected,
- actual,
- )
-}
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 85cffe7..ebede5f 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -72,7 +72,7 @@ github.com/openzipkin/zipkin-go/model
github.com/openzipkin/zipkin-go/propagation
github.com/openzipkin/zipkin-go/reporter
github.com/openzipkin/zipkin-go/reporter/http
-# github.com/oschwald/maxminddb-golang v0.0.0-20170901134056-26fe5ace1c70
+# github.com/oschwald/maxminddb-golang v0.2.0
## explicit
github.com/oschwald/maxminddb-golang
# github.com/pkg/errors v0.9.1
--
GitLab