Skip to content
Snippets Groups Projects
Commit 21470ce2 authored by renovate's avatar renovate
Browse files

Update module oschwald/maxminddb-golang to v1

parent 4aea0caf
No related branches found
No related tags found
1 merge request!16Update module oschwald/maxminddb-golang to v1
Pipeline #10702 passed
Stage: build_pkgsrc
Stage: build_pkg
Expand all Hide whitespace changes
Inline Side-by-side
Showing
with 1079 additions and 589 deletions
go.mod
+ 1
− 1
View file @ 21470ce2
......@@ -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 v0.5.2
github.com/oschwald/maxminddb-golang v0.2.0
github.com/oschwald/maxminddb-golang v1.8.0
github.com/prometheus/client_golang v1.9.0
github.com/rs/cors v1.7.0
github.com/tstranex/u2f v1.0.0
......
go.sum
+ 3
− 0
View file @ 21470ce2
......@@ -278,6 +278,8 @@ github.com/oschwald/maxminddb-golang v0.0.0-20170901134056-26fe5ace1c70 h1:XGLYU
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/oschwald/maxminddb-golang v1.8.0 h1:Uh/DSnGoxsyp/KYbY1AuP0tYEwfs0sCph9p/UMXK/Hk=
github.com/oschwald/maxminddb-golang v1.8.0/go.mod h1:RXZtst0N6+FY/3qCNmZMBApR19cdQj43/NM9VkrNAis=
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=
......@@ -444,6 +446,7 @@ golang.org/x/sys v0.0.0-20190826190057-c7b8b68b1456/go.mod h1:h1NjWce9XRLGQEsW7w
golang.org/x/sys v0.0.0-20190922100055-0a153f010e69/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20191220142924-d4481acd189f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20191224085550-c709ea063b76/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20200106162015-b016eb3dc98e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20200615200032-f1bc736245b1/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
......
vendor/github.com/oschwald/maxminddb-golang/.gitignore 0 → 100644
+ 4
− 0
View file @ 21470ce2
.vscode
*.out
*.sw?
*.test
vendor/github.com/oschwald/maxminddb-golang/.gitmodules
+ 1
− 1
View file @ 21470ce2
[submodule "test-data"]
path = test-data
url = git://github.com/maxmind/MaxMind-DB.git
url = https://github.com/maxmind/MaxMind-DB.git
vendor/github.com/oschwald/maxminddb-golang/.golangci.toml 0 → 100644
+ 56
− 0
View file @ 21470ce2
[run]
deadline = "10m"
tests = true
[linters]
disable-all = true
enable = [
"bodyclose",
"deadcode",
"depguard",
"errcheck",
"exportloopref",
"goconst",
"gocyclo",
"gocritic",
"gofumpt",
"golint",
"gosec",
"gosimple",
"govet",
"ineffassign",
"maligned",
"misspell",
"nakedret",
"noctx",
"nolintlint",
"sqlclosecheck",
"staticcheck",
"structcheck",
"stylecheck",
"typecheck",
"unconvert",
"unparam",
"unused",
"varcheck",
"vetshadow",
]
[linters-settings.errcheck]
ignore = "Close,fmt:.*"
[linters-settings.gofumpt]
extra-rules = true
[issues]
exclude-use-default = false
[[issues.exclude-rules]]
linters = [
"gosec"
]
# G304 - Potential file inclusion via variable (gosec)
# G404 - "Use of weak random number generator (math/rand instead of crypto/rand)"
# We only use this in tests.
text = "G304|G404"
vendor/github.com/oschwald/maxminddb-golang/.travis.yml deleted 100644 → 0
+ 0
− 11
View file @ 4aea0caf
language: go
go:
- 1.1
- 1.2
- 1.3
- release
- tip
install:
- go get launchpad.net/gocheck
vendor/github.com/oschwald/maxminddb-golang/LICENSE
+ 12
− 199
View file @ 21470ce2
ISC License
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
Copyright (c) 2015, Gregory J. Oschwald <oschwald@gmail.com>
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
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.
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by
the copyright owner that is granting the License.
"Legal Entity" shall mean the union of the acting entity and all
other entities that control, are controlled by, or are under common
control with that entity. For the purposes of this definition,
"control" means (i) the power, direct or indirect, to cause the
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
exercising permissions granted by this License.
"Source" form shall mean the preferred form for making modifications,
including but not limited to software source code, documentation
source, and configuration files.
"Object" form shall mean any form resulting from mechanical
transformation or translation of a Source form, including but
not limited to compiled object code, generated documentation,
and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or
Object form, made available under the License, as indicated by a
copyright notice that is included in or attached to the work
(an example is provided in the Appendix below).
"Derivative Works" shall mean any work, whether in Source or Object
form, that is based on (or derived from) the Work and for which the
editorial revisions, annotations, elaborations, or other modifications
represent, as a whole, an original work of authorship. For the purposes
of this License, Derivative Works shall not include works that remain
separable from, or merely link (or bind by name) to the interfaces of,
the Work and Derivative Works thereof.
"Contribution" shall mean any work of authorship, including
the original version of the Work and any modifications or additions
to that Work or Derivative Works thereof, that is intentionally
submitted to Licensor for inclusion in the Work by the copyright owner
or by an individual or Legal Entity authorized to submit on behalf of
the copyright owner. For the purposes of this definition, "submitted"
means any form of electronic, verbal, or written communication sent
to the Licensor or its representatives, including but not limited to
communication on electronic mailing lists, source code control systems,
and issue tracking systems that are managed by, or on behalf of, the
Licensor for the purpose of discussing and improving the Work, but
excluding communication that is conspicuously marked or otherwise
designated in writing by the copyright owner as "Not a Contribution."
"Contributor" shall mean Licensor and any individual or Legal Entity
on behalf of whom a Contribution has been received by Licensor and
subsequently incorporated within the Work.
2. Grant of Copyright License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
copyright license to reproduce, prepare Derivative Works of,
publicly display, publicly perform, sublicense, and distribute the
Work and such Derivative Works in Source or Object form.
3. Grant of Patent License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
(except as stated in this section) patent license to make, have made,
use, offer to sell, sell, import, and otherwise transfer the Work,
where such license applies only to those patent claims licensable
by such Contributor that are necessarily infringed by their
Contribution(s) alone or by combination of their Contribution(s)
with the Work to which such Contribution(s) was submitted. If You
institute patent litigation against any entity (including a
cross-claim or counterclaim in a lawsuit) alleging that the Work
or a Contribution incorporated within the Work constitutes direct
or contributory patent infringement, then any patent licenses
granted to You under this License for that Work shall terminate
as of the date such litigation is filed.
4. Redistribution. You may reproduce and distribute copies of the
Work or Derivative Works thereof in any medium, with or without
modifications, and in Source or Object form, provided that You
meet the following conditions:
(a) You must give any other recipients of the Work or
Derivative Works a copy of this License; and
(b) You must cause any modified files to carry prominent notices
stating that You changed the files; and
(c) You must retain, in the Source form of any Derivative Works
that You distribute, all copyright, patent, trademark, and
attribution notices from the Source form of the Work,
excluding those notices that do not pertain to any part of
the Derivative Works; and
(d) If the Work includes a "NOTICE" text file as part of its
distribution, then any Derivative Works that You distribute must
include a readable copy of the attribution notices contained
within such NOTICE file, excluding those notices that do not
pertain to any part of the Derivative Works, in at least one
of the following places: within a NOTICE text file distributed
as part of the Derivative Works; within the Source form or
documentation, if provided along with the Derivative Works; or,
within a display generated by the Derivative Works, if and
wherever such third-party notices normally appear. The contents
of the NOTICE file are for informational purposes only and
do not modify the License. You may add Your own attribution
notices within Derivative Works that You distribute, alongside
or as an addendum to the NOTICE text from the Work, provided
that such additional attribution notices cannot be construed
as modifying the License.
You may add Your own copyright statement to Your modifications and
may provide additional or different license terms and conditions
for use, reproduction, or distribution of Your modifications, or
for any such Derivative Works as a whole, provided Your use,
reproduction, and distribution of the Work otherwise complies with
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
names, trademarks, service marks, or product names of the Licensor,
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.
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.
vendor/github.com/oschwald/maxminddb-golang/README.md
+ 7
− 7
View file @ 21470ce2
# MaxMind DB Reader for Go #
[![Build Status](https://travis-ci.org/oschwald/maxminddb-golang.png?branch=master)](https://travis-ci.org/oschwald/maxminddb-golang)
[![GoDoc](https://godoc.org/github.com/oschwald/maxminddb-golang?status.png)](https://godoc.org/github.com/oschwald/maxminddb-golang)
[![GoDoc](https://godoc.org/github.com/oschwald/maxminddb-golang?status.svg)](https://godoc.org/github.com/oschwald/maxminddb-golang)
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 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 not an official MaxMind API.
......@@ -33,4 +33,4 @@ with your changes.
## License ##
This is free software, licensed under the Apache License, Version 2.0.
This is free software, licensed under the ISC License.
vendor/github.com/oschwald/maxminddb-golang/build.cmd deleted 100644 → 0
+ 0
− 3
View file @ 4aea0caf
set GOPATH=%BuildFolder%
go get -v ./...
go test -v ./...
vendor/github.com/oschwald/maxminddb-golang/decoder.go
+ 539
− 219
View file @ 21470ce2
This diff is collapsed.
vendor/github.com/oschwald/maxminddb-golang/deserializer.go 0 → 100644
+ 31
− 0
View file @ 21470ce2
package maxminddb
import "math/big"
// deserializer is an interface for a type that deserializes an MaxMind DB
// data record to some other type. This exists as an alternative to the
// standard reflection API.
//
// This is fundamentally different than the Unmarshaler interface that
// several packages provide. A Deserializer will generally create the
// final struct or value rather than unmarshaling to itself.
//
// This interface and the associated unmarshaling code is EXPERIMENTAL!
// It is not currently covered by any Semantic Versioning guarantees.
// Use at your own risk.
type deserializer interface {
ShouldSkip(offset uintptr) (bool, error)
StartSlice(size uint) error
StartMap(size uint) error
End() error
String(string) error
Float64(float64) error
Bytes([]byte) error
Uint16(uint16) error
Uint32(uint32) error
Int32(int32) error
Uint64(uint64) error
Uint128(*big.Int) error
Bool(bool) error
Float32(float32) error
}
vendor/github.com/oschwald/maxminddb-golang/errors.go 0 → 100644
+ 42
− 0
View file @ 21470ce2
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())
}
vendor/github.com/oschwald/maxminddb-golang/go.mod 0 → 100644
+ 8
− 0
View file @ 21470ce2
module github.com/oschwald/maxminddb-golang
go 1.9
require (
github.com/stretchr/testify v1.6.1
golang.org/x/sys v0.0.0-20191224085550-c709ea063b76
)
vendor/github.com/oschwald/maxminddb-golang/go.sum 0 → 100644
+ 14
− 0
View file @ 21470ce2
github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/stretchr/objx v0.1.0 h1:4G4v2dO3VZwixGIRoQ5Lfboy6nUhCyYzaqnIAPPhYs4=
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/testify v1.6.1 h1:hDPOHmpOpP40lSULcqw7IrRb/u7w6RpDC9399XyoNd0=
github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
golang.org/x/sys v0.0.0-20191224085550-c709ea063b76 h1:Dho5nD6R3PcW2SH1or8vS0dszDaXRxIw55lBX7XiE5g=
golang.org/x/sys v0.0.0-20191224085550-c709ea063b76/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
vendor/github.com/oschwald/maxminddb-golang/mmap_unix.go 0 → 100644
+ 15
− 0
View file @ 21470ce2
// +build !windows,!appengine,!plan9
package maxminddb
import (
"golang.org/x/sys/unix"
)
func mmap(fd, length int) (data []byte, err error) {
return unix.Mmap(fd, 0, length, unix.PROT_READ, unix.MAP_SHARED)
}
func munmap(b []byte) (err error) {
return unix.Munmap(b)
}
vendor/github.com/oschwald/maxminddb-golang/reader_windows.go → vendor/github.com/oschwald/maxminddb-golang/mmap_windows.go
+ 17
− 13
View file @ 21470ce2
// +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 MMap []byte
type memoryMap []byte
// Windows
var handleLock sync.Mutex
var handleMap = map[uintptr]syscall.Handle{}
var handleMap = map[uintptr]windows.Handle{}
func mmap(fd int, length int) (data []byte, err error) {
h, errno := syscall.CreateFileMapping(syscall.Handle(fd), nil,
uint32(syscall.PAGE_READONLY), 0, uint32(length), nil)
h, errno := windows.CreateFileMapping(windows.Handle(fd), nil,
uint32(windows.PAGE_READONLY), 0, uint32(length), nil)
if h == 0 {
return nil, os.NewSyscallError("CreateFileMapping", errno)
}
addr, errno := syscall.MapViewOfFile(h, uint32(syscall.FILE_MAP_READ), 0,
addr, errno := windows.MapViewOfFile(h, uint32(windows.FILE_MAP_READ), 0,
0, uintptr(length))
if addr == 0 {
return nil, os.NewSyscallError("MapViewOfFile", errno)
......@@ -36,7 +40,7 @@ func mmap(fd int, length int) (data []byte, err error) {
handleMap[addr] = h
handleLock.Unlock()
m := MMap{}
m := memoryMap{}
dh := m.header()
dh.Data = addr
dh.Len = length
......@@ -45,24 +49,24 @@ func mmap(fd int, length int) (data []byte, err error) {
return m, nil
}
func (m *MMap) header() *reflect.SliceHeader {
func (m *memoryMap) header() *reflect.SliceHeader {
return (*reflect.SliceHeader)(unsafe.Pointer(m))
}
func flush(addr, len uintptr) error {
errno := syscall.FlushViewOfFile(addr, len)
errno := windows.FlushViewOfFile(addr, len)
return os.NewSyscallError("FlushViewOfFile", errno)
}
func munmap(b []byte) (err error) {
m := MMap(b)
m := memoryMap(b)
dh := m.header()
addr := dh.Data
length := uintptr(dh.Len)
flush(addr, length)
err = syscall.UnmapViewOfFile(addr)
err = windows.UnmapViewOfFile(addr)
if err != nil {
return err
}
......@@ -76,6 +80,6 @@ func munmap(b []byte) (err error) {
}
delete(handleMap, addr)
e := syscall.CloseHandle(syscall.Handle(handle))
e := windows.CloseHandle(windows.Handle(handle))
return os.NewSyscallError("CloseHandle", e)
}
vendor/github.com/oschwald/maxminddb-golang/node.go 0 → 100644
+ 42
− 0
View file @ 21470ce2
package maxminddb
type nodeReader interface {
readLeft(uint) uint
readRight(uint) uint
}
type nodeReader24 struct {
buffer []byte
}
func (n nodeReader24) readLeft(nodeNumber uint) uint {
return (uint(n.buffer[nodeNumber]) << 16) | (uint(n.buffer[nodeNumber+1]) << 8) | uint(n.buffer[nodeNumber+2])
}
func (n nodeReader24) readRight(nodeNumber uint) uint {
return (uint(n.buffer[nodeNumber+3]) << 16) | (uint(n.buffer[nodeNumber+4]) << 8) | uint(n.buffer[nodeNumber+5])
}
type nodeReader28 struct {
buffer []byte
}
func (n nodeReader28) readLeft(nodeNumber uint) uint {
return ((uint(n.buffer[nodeNumber+3]) & 0xF0) << 20) | (uint(n.buffer[nodeNumber]) << 16) | (uint(n.buffer[nodeNumber+1]) << 8) | uint(n.buffer[nodeNumber+2])
}
func (n nodeReader28) readRight(nodeNumber uint) uint {
return ((uint(n.buffer[nodeNumber+3]) & 0x0F) << 24) | (uint(n.buffer[nodeNumber+4]) << 16) | (uint(n.buffer[nodeNumber+5]) << 8) | uint(n.buffer[nodeNumber+6])
}
type nodeReader32 struct {
buffer []byte
}
func (n nodeReader32) readLeft(nodeNumber uint) uint {
return (uint(n.buffer[nodeNumber]) << 24) | (uint(n.buffer[nodeNumber+1]) << 16) | (uint(n.buffer[nodeNumber+2]) << 8) | uint(n.buffer[nodeNumber+3])
}
func (n nodeReader32) readRight(nodeNumber uint) uint {
return (uint(n.buffer[nodeNumber+4]) << 24) | (uint(n.buffer[nodeNumber+5]) << 16) | (uint(n.buffer[nodeNumber+6]) << 8) | uint(n.buffer[nodeNumber+7])
}
vendor/github.com/oschwald/maxminddb-golang/reader.go
+ 196
− 135
View file @ 21470ce2
// Package maxminddb provides a reader for the MaxMind DB file format.
package maxminddb
import (
......@@ -5,26 +6,37 @@ import (
"errors"
"fmt"
"net"
"os"
"reflect"
)
const dataSectionSeparatorSize = 16
const (
// NotFound is returned by LookupOffset when a matched root record offset
// cannot be found.
NotFound = ^uintptr(0)
dataSectionSeparatorSize = 16
)
var metadataStartMarker = []byte("\xAB\xCD\xEFMaxMind.com")
// Reader holds the data corresponding to the MaxMind DB file. Its only public
// field is Metadata, which contains the metadata from the MaxMind DB file.
//
// All of the methods on Reader are thread-safe. The struct may be safely
// shared across goroutines.
type Reader struct {
hasMappedFile bool
buffer []byte
decoder decoder
Metadata Metadata
ipv4Start uint
hasMappedFile bool
buffer []byte
nodeReader nodeReader
decoder decoder
Metadata Metadata
ipv4Start uint
ipv4StartBitDepth int
nodeOffsetMult uint
}
// Metadata holds the metadata decoded from the MaxMind DB file. In particular
// in has the format version, the build time as Unix epoch time, the database
// it has the format version, the build time as Unix epoch time, the database
// type and description, the IP version supported, and a slice of the natural
// languages included.
type Metadata struct {
......@@ -39,205 +51,254 @@ 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, fmt.Errorf("error opening database file: invalid MaxMind DB file")
return nil, newInvalidDatabaseError("error opening database: invalid MaxMind DB file")
}
metadataStart += len(metadataStartMarker)
metadataDecoder := decoder{buffer, uint(metadataStart)}
metadataDecoder := decoder{buffer[metadataStart:]}
var metadata Metadata
rvMetdata := reflect.ValueOf(&metadata)
_, err := metadataDecoder.decode(uint(metadataStart), rvMetdata)
_, err := metadataDecoder.decode(0, rvMetdata, 0)
if err != nil {
return nil, err
}
searchTreeSize := metadata.NodeCount * metadata.RecordSize / 4
decoder := decoder{buffer, searchTreeSize + dataSectionSeparatorSize}
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)],
}
reader := &Reader{buffer: buffer, decoder: decoder, Metadata: metadata, ipv4Start: 0}
nodeBuffer := buffer[:searchTreeSize]
var nodeReader nodeReader
switch metadata.RecordSize {
case 24:
nodeReader = nodeReader24{buffer: nodeBuffer}
case 28:
nodeReader = nodeReader28{buffer: nodeBuffer}
case 32:
nodeReader = nodeReader32{buffer: nodeBuffer}
default:
return nil, newInvalidDatabaseError("unknown record size: %d", metadata.RecordSize)
}
reader := &Reader{
buffer: buffer,
nodeReader: nodeReader,
decoder: d,
Metadata: metadata,
ipv4Start: 0,
nodeOffsetMult: metadata.RecordSize / 4,
}
reader.ipv4Start, err = reader.startNode()
reader.setIPv4Start()
return reader, err
}
func (r *Reader) startNode() (uint, error) {
func (r *Reader) setIPv4Start() {
if r.Metadata.IPVersion != 6 {
return 0, nil
return
}
nodeCount := r.Metadata.NodeCount
node := uint(0)
var err error
for i := 0; i < 96 && node < nodeCount; i++ {
node, err = r.readNode(node, 0)
if err != nil {
return 0, err
}
i := 0
for ; i < 96 && node < nodeCount; i++ {
node = r.nodeReader.readLeft(node * r.nodeOffsetMult)
}
r.ipv4Start = node
r.ipv4StartBitDepth = i
}
// Lookup retrieves the database record for ip and stores it in the value
// pointed to by result. If result is nil or not a pointer, an error is
// returned. If the data in the database record cannot be stored in result
// because of type differences, an UnmarshalTypeError is returned. If the
// database is invalid or otherwise cannot be read, an InvalidDatabaseError
// is returned.
func (r *Reader) Lookup(ip net.IP, result interface{}) error {
if r.buffer == nil {
return errors.New("cannot call Lookup on a closed database")
}
pointer, _, _, err := r.lookupPointer(ip)
if pointer == 0 || err != nil {
return err
}
return r.retrieveData(pointer, result)
}
// LookupNetwork retrieves the database record for ip and stores it in the
// value pointed to by result. The network returned is the network associated
// with the data record in the database. The ok return value indicates whether
// the database contained a record for the ip.
//
// If result is nil or not a pointer, an error is returned. If the data in the
// database record cannot be stored in result because of type differences, an
// UnmarshalTypeError is returned. If the database is invalid or otherwise
// cannot be read, an InvalidDatabaseError is returned.
func (r *Reader) LookupNetwork(ip net.IP, result interface{}) (network *net.IPNet, ok bool, err error) {
if r.buffer == nil {
return nil, false, errors.New("cannot call Lookup on a closed database")
}
pointer, prefixLength, ip, err := r.lookupPointer(ip)
network = r.cidr(ip, prefixLength)
if pointer == 0 || err != nil {
return network, false, err
}
return node, err
return network, true, 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(ip net.IP) (uintptr, error) {
if r.buffer == nil {
return 0, errors.New("cannot call LookupOffset on a closed database")
}
pointer, _, _, err := r.lookupPointer(ip)
if pointer == 0 || err != nil {
return NotFound, err
}
return r.resolveDataPointer(pointer)
}
// Lookup takes an IP address as a net.IP structure and a pointer to the
// 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.
func (r *Reader) cidr(ip net.IP, prefixLength int) *net.IPNet {
// This is necessary as the node that the IPv4 start is at may
// be at a bit depth that is less that 96, i.e., ipv4Start points
// to a leaf node. For instance, if a record was inserted at ::/8,
// the ipv4Start would point directly at the leaf node for the
// record and would have a bit depth of 8. This would not happen
// with databases currently distributed by MaxMind as all of them
// have an IPv4 subtree that is greater than a single node.
if r.Metadata.IPVersion == 6 &&
len(ip) == net.IPv4len &&
r.ipv4StartBitDepth != 96 {
return &net.IPNet{IP: net.ParseIP("::"), Mask: net.CIDRMask(r.ipv4StartBitDepth, 128)}
}
mask := net.CIDRMask(prefixLength, len(ip)*8)
return &net.IPNet{IP: ip.Mask(mask), Mask: mask}
}
// 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.
//
// 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.
//
// 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 errors.New("ipAddress passed to Lookup cannot be nil")
// 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 {
if r.buffer == nil {
return errors.New("cannot call Decode on a closed database")
}
return r.decode(offset, result)
}
ipV4Address := ipAddress.To4()
if ipV4Address != nil {
ipAddress = ipV4Address
}
if len(ipAddress) == 16 && r.Metadata.IPVersion == 4 {
return fmt.Errorf("error looking up '%s': you attempted to look up an IPv6 address in an IPv4-only database", ipAddress.String())
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")
}
pointer, err := r.findAddressInTree(ipAddress)
if pointer == 0 {
if dser, ok := result.(deserializer); ok {
_, err := r.decoder.decodeToDeserializer(uint(offset), dser, 0)
return err
}
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)
_, err := r.decoder.decode(uint(offset), rv, 0)
return err
}
func (r *Reader) findAddressInTree(ipAddress net.IP) (uint, error) {
func (r *Reader) lookupPointer(ip net.IP) (uint, int, net.IP, error) {
if ip == nil {
return 0, 0, ip, errors.New("IP passed to Lookup cannot be nil")
}
ipV4Address := ip.To4()
if ipV4Address != nil {
ip = ipV4Address
}
if len(ip) == 16 && r.Metadata.IPVersion == 4 {
return 0, 0, ip, fmt.Errorf("error looking up '%s': you attempted to look up an IPv6 address in an IPv4-only database", ip.String())
}
bitCount := uint(len(ipAddress) * 8)
bitCount := uint(len(ip) * 8)
var node uint
if bitCount == 32 {
node = r.ipv4Start
}
node, prefixLength := r.traverseTree(ip, node, bitCount)
nodeCount := r.Metadata.NodeCount
for i := uint(0); i < bitCount && node < nodeCount; i++ {
bit := uint(1) & (uint(ipAddress[i>>3]) >> (7 - (i % 8)))
var err error
node, err = r.readNode(node, bit)
if err != nil {
return 0, err
}
}
if node == nodeCount {
// Record is empty
return 0, nil
return 0, prefixLength, ip, nil
} else if node > nodeCount {
return node, nil
return node, prefixLength, ip, nil
}
return 0, errors.New("invalid node in search tree")
return 0, prefixLength, ip, newInvalidDatabaseError("invalid node in search tree")
}
func (r *Reader) readNode(nodeNumber uint, index uint) (uint, error) {
RecordSize := r.Metadata.RecordSize
func (r *Reader) traverseTree(ip net.IP, node, bitCount uint) (uint, int) {
nodeCount := r.Metadata.NodeCount
baseOffset := nodeNumber * RecordSize / 4
i := uint(0)
for ; i < bitCount && node < nodeCount; i++ {
bit := uint(1) & (uint(ip[i>>3]) >> (7 - (i % 8)))
var nodeBytes []byte
var prefix uint64
switch RecordSize {
case 24:
offset := baseOffset + index*3
nodeBytes = r.buffer[offset : offset+3]
case 28:
prefix = uint64(r.buffer[baseOffset+3])
if index != 0 {
prefix &= 0x0F
offset := node * r.nodeOffsetMult
if bit == 0 {
node = r.nodeReader.readLeft(offset)
} else {
prefix = (0xF0 & prefix) >> 4
node = r.nodeReader.readRight(offset)
}
offset := baseOffset + index*4
nodeBytes = r.buffer[offset : offset+3]
case 32:
offset := baseOffset + index*4
nodeBytes = r.buffer[offset : offset+4]
default:
return 0, fmt.Errorf("unknown record size: %d", RecordSize)
}
return uint(uintFromBytes(prefix, nodeBytes)), nil
}
func (r *Reader) resolveDataPointer(pointer uint, result reflect.Value) error {
nodeCount := r.Metadata.NodeCount
searchTreeSize := r.Metadata.RecordSize * nodeCount / 4
resolved := pointer - nodeCount + searchTreeSize
return node, int(i)
}
if resolved > uint(len(r.buffer)) {
return errors.New("the MaxMind DB file's search tree is corrupt")
func (r *Reader) retrieveData(pointer uint, result interface{}) error {
offset, err := r.resolveDataPointer(pointer)
if err != nil {
return err
}
_, err := r.decoder.decode(resolved, result)
return err
return r.decode(offset, result)
}
// 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
func (r *Reader) resolveDataPointer(pointer uint) (uintptr, error) {
resolved := uintptr(pointer - r.Metadata.NodeCount - dataSectionSeparatorSize)
if resolved >= uintptr(len(r.buffer)) {
return 0, newInvalidDatabaseError("the MaxMind DB file's search tree is corrupt")
}
return resolved, nil
}
vendor/github.com/oschwald/maxminddb-golang/reader_appengine.go 0 → 100644
+ 28
− 0
View file @ 21470ce2
// +build appengine plan9
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 sets the underlying buffer
// to nil, returning the resources to the system.
func (r *Reader) Close() error {
r.buffer = nil
return nil
}
vendor/github.com/oschwald/maxminddb-golang/reader_other.go 0 → 100644
+ 63
− 0
View file @ 21470ce2
// +build !appengine,!plan9
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 {
_ = mapFile.Close()
return nil, err
}
stats, err := mapFile.Stat()
if err != nil {
_ = mapFile.Close()
return nil, err
}
fileSize := int(stats.Size())
mmap, err := mmap(int(mapFile.Fd()), fileSize)
if err != nil {
_ = mapFile.Close()
return nil, err
}
if err := mapFile.Close(); err != nil {
_ = munmap(mmap)
return nil, err
}
reader, err := FromBytes(mmap)
if err != nil {
_ = munmap(mmap)
return nil, err
}
reader.hasMappedFile = true
runtime.SetFinalizer(reader, (*Reader).Close)
return reader, nil
}
// 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 {
var err error
if r.hasMappedFile {
runtime.SetFinalizer(r, nil)
r.hasMappedFile = false
err = munmap(r.buffer)
}
r.buffer = nil
return err
}
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment