SystemSh0cker/gocsaf
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Merge branch 'main' into csaf-checker

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This commit is contained in:
Sascha L. Teichmann 2021-12-10 10:42:37 +01:00
commit 8c6cdadad3
19 changed files with 221 additions and 26 deletions
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21
LICENSES/MIT.txt Normal file
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@ -0,0 +1,21 @@
MIT License
Copyright (c) <year> <copyright holders>
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

7
README.md
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@ -17,3 +17,10 @@
- [Install](http://nginx.org/en/docs/install.html) **nginx**
- To configure nginx see [docs/provider-setup.md](docs/provider-setup.md)
## License
- csaf_distribution is licensed as Free Software under MIT License.
- See the specific source files
for details, the license itself can be found in the directory `LICENSES`.

8
cmd/csaf_provider/actions.go
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@ -1,3 +1,11 @@
// This file is Free Software under the MIT License
// without warranty, see README.md and LICENSES/MIT.txt for details.
//
// SPDX-License-Identifier: MIT
//
// SPDX-FileCopyrightText: 2021 German Federal Office for Information Security (BSI) <https://www.bsi.bund.de>
// Software-Engineering: 2021 Intevation GmbH <https://intevation.de>
package main
import (

8
cmd/csaf_provider/config.go
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@ -1,3 +1,11 @@
// This file is Free Software under the MIT License
// without warranty, see README.md and LICENSES/MIT.txt for details.
//
// SPDX-License-Identifier: MIT
//
// SPDX-FileCopyrightText: 2021 German Federal Office for Information Security (BSI) <https://www.bsi.bund.de>
// Software-Engineering: 2021 Intevation GmbH <https://intevation.de>
package main
import (

8
cmd/csaf_provider/controller.go
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@ -1,3 +1,11 @@
// This file is Free Software under the MIT License
// without warranty, see README.md and LICENSES/MIT.txt for details.
//
// SPDX-License-Identifier: MIT
//
// SPDX-FileCopyrightText: 2021 German Federal Office for Information Security (BSI) <https://www.bsi.bund.de>
// Software-Engineering: 2021 Intevation GmbH <https://intevation.de>
package main
import (

8
cmd/csaf_provider/create.go
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@ -1,3 +1,11 @@
// This file is Free Software under the MIT License
// without warranty, see README.md and LICENSES/MIT.txt for details.
//
// SPDX-License-Identifier: MIT
//
// SPDX-FileCopyrightText: 2021 German Federal Office for Information Security (BSI) <https://www.bsi.bund.de>
// Software-Engineering: 2021 Intevation GmbH <https://intevation.de>
package main
import (

8
cmd/csaf_provider/extract.go
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@ -1,3 +1,11 @@
// This file is Free Software under the MIT License
// without warranty, see README.md and LICENSES/MIT.txt for details.
//
// SPDX-License-Identifier: MIT
//
// SPDX-FileCopyrightText: 2021 German Federal Office for Information Security (BSI) <https://www.bsi.bund.de>
// Software-Engineering: 2021 Intevation GmbH <https://intevation.de>
package main
import (

12
cmd/csaf_provider/files.go
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@ -1,19 +1,25 @@
// This file is Free Software under the MIT License
// without warranty, see README.md and LICENSES/MIT.txt for details.
//
// SPDX-License-Identifier: MIT
//
// SPDX-FileCopyrightText: 2021 German Federal Office for Information Security (BSI) <https://www.bsi.bund.de>
// Software-Engineering: 2021 Intevation GmbH <https://intevation.de>
package main
import (
"bytes"
"crypto/sha256"
"crypto/sha512"
"fmt"
"hash"
"io"
"io/ioutil"
"os"
)
func writeHash(fname, name string, h hash.Hash, data []byte) error {
if _, err := io.Copy(h, bytes.NewReader(data)); err != nil {
if _, err := h.Write(data); err != nil {
return err
}

8
cmd/csaf_provider/indices.go
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@ -1,3 +1,11 @@
// This file is Free Software under the MIT License
// without warranty, see README.md and LICENSES/MIT.txt for details.
//
// SPDX-License-Identifier: MIT
//
// SPDX-FileCopyrightText: 2021 German Federal Office for Information Security (BSI) <https://www.bsi.bund.de>
// Software-Engineering: 2021 Intevation GmbH <https://intevation.de>
package main
import (

8
cmd/csaf_provider/main.go
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@ -1,3 +1,11 @@
// This file is Free Software under the MIT License
// without warranty, see README.md and LICENSES/MIT.txt for details.
//
// SPDX-License-Identifier: MIT
//
// SPDX-FileCopyrightText: 2021 German Federal Office for Information Security (BSI) <https://www.bsi.bund.de>
// Software-Engineering: 2021 Intevation GmbH <https://intevation.de>
package main
import (

8
cmd/csaf_provider/mux.go
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@ -1,3 +1,11 @@
// This file is Free Software under the MIT License
// without warranty, see README.md and LICENSES/MIT.txt for details.
//
// SPDX-License-Identifier: MIT
//
// SPDX-FileCopyrightText: 2021 German Federal Office for Information Security (BSI) <https://www.bsi.bund.de>
// Software-Engineering: 2021 Intevation GmbH <https://intevation.de>
package main
import (

9
cmd/csaf_provider/tmpl/create.html
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@ -1,3 +1,12 @@
<!--
This file is Free Software under the MIT License
without warranty, see README.md and LICENSES/MIT.txt for details.
SPDX-License-Identifier: MIT
SPDX-FileCopyrightText: 2021 German Federal Office for Information Security (BSI) <https://www.bsi.bund.de>
Software-Engineering: 2021 Intevation GmbH <https://intevation.de>
-->
<!DOCTYPE html>
<html lang="en">
<head>

9
cmd/csaf_provider/tmpl/index.html
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@ -1,3 +1,12 @@
<!--
This file is Free Software under the MIT License
without warranty, see README.md and LICENSES/MIT.txt for details.
SPDX-License-Identifier: MIT
SPDX-FileCopyrightText: 2021 German Federal Office for Information Security (BSI) <https://www.bsi.bund.de>
Software-Engineering: 2021 Intevation GmbH <https://intevation.de>
-->
<!DOCTYPE html>
<html lang="en">
<head>

9
cmd/csaf_provider/tmpl/upload.html
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@ -1,3 +1,12 @@
<!--
This file is Free Software under the MIT License
without warranty, see README.md and LICENSES/MIT.txt for details.
SPDX-License-Identifier: MIT
SPDX-FileCopyrightText: 2021 German Federal Office for Information Security (BSI) <https://www.bsi.bund.de>
Software-Engineering: 2021 Intevation GmbH <https://intevation.de>
-->
<!DOCTYPE html>
<html lang="en">
<head>

8
cmd/csaf_provider/transaction.go
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@ -1,3 +1,11 @@
// This file is Free Software under the MIT License
// without warranty, see README.md and LICENSES/MIT.txt for details.
//
// SPDX-License-Identifier: MIT
//
// SPDX-FileCopyrightText: 2021 German Federal Office for Information Security (BSI) <https://www.bsi.bund.de>
// Software-Engineering: 2021 Intevation GmbH <https://intevation.de>
package main
import (

84
cmd/csaf_uploader/main.go
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@ -1,8 +1,17 @@
// This file is Free Software under the MIT License
// without warranty, see README.md and LICENSES/MIT.txt for details.
//
// SPDX-License-Identifier: MIT
//
// SPDX-FileCopyrightText: 2021 German Federal Office for Information Security (BSI) <https://www.bsi.bund.de>
// Software-Engineering: 2021 Intevation GmbH <https://intevation.de>
package main
import (
"bytes"
"encoding/json"
"errors"
"fmt"
"log"
"mime/multipart"
@ -11,6 +20,7 @@ import (
"path/filepath"
"github.com/ProtonMail/gopenpgp/v2/crypto"
"github.com/csaf-poc/csaf_distribution/csaf"
"github.com/jessevdk/go-flags"
"github.com/mitchellh/go-homedir"
"golang.org/x/crypto/bcrypt"
@ -18,9 +28,11 @@ import (
)
type options struct {
Action string `short:"a" long:"action" choice:"upload" choice:"create" default:"upload" description:"Action to perform"`
URL string `short:"u" long:"url" description:"URL of the CSAF provider" default:"https://localhost/cgi-bin/csaf_provider.go" value-name:"URL"`
TLP string `short:"t" long:"tlp" choice:"csaf" choice:"white" choice:"green" choice:"amber" choice:"red" default:"csaf" description:"TLP of the feed"`
Action string `short:"a" long:"action" choice:"upload" choice:"create" default:"upload" description:"Action to perform"`
URL string `short:"u" long:"url" description:"URL of the CSAF provider" default:"https://localhost/cgi-bin/csaf_provider.go" value-name:"URL"`
TLP string `short:"t" long:"tlp" choice:"csaf" choice:"white" choice:"green" choice:"amber" choice:"red" default:"csaf" description:"TLP of the feed"`
ExternalSigned bool `short:"x" long:"external-signed" description:"CASF files are signed externally. Assumes .asc files beside CSAF files."`
NoSchemaCheck bool `short:"s" long:"no-schema-check" description:"Do not check files against CSAF JSON schema locally."`
Key *string `short:"k" long:"key" description:"OpenPGP key to sign the CSAF files" value-name:"KEY-FILE"`
Password *string `short:"p" long:"password" description:"Authentication password for accessing the CSAF provider" value-name:"PASSWORD"`
@ -60,6 +72,9 @@ func newProcessor(opts *options) (*processor, error) {
if opts.Action == "upload" {
if opts.Key != nil {
if opts.ExternalSigned {
return nil, errors.New("refused to sign external signed files")
}
var err error
var key *crypto.Key
if key, err = loadKey(*opts.Key); err != nil {
@ -89,6 +104,15 @@ func newProcessor(opts *options) (*processor, error) {
return &p, nil
}
func writeStrings(header string, messages []string) {
if len(messages) > 0 {
fmt.Println(header)
for _, msg := range messages {
fmt.Printf("\t%s\n", msg)
}
}
}
func (p *processor) create() error {
req, err := http.NewRequest(http.MethodGet, p.opts.URL+"/api/create", nil)
if err != nil {
@ -119,12 +143,8 @@ func (p *processor) create() error {
fmt.Printf("\t%s\n", result.Message)
}
if len(result.Errors) > 0 {
fmt.Println("Errors:")
for _, err := range result.Errors {
fmt.Printf("\t%s\n", err)
}
}
writeStrings("Errors:", result.Errors)
return nil
}
@ -134,6 +154,21 @@ func (p *processor) uploadRequest(filename string) (*http.Request, error) {
return nil, err
}
if !p.opts.NoSchemaCheck {
var doc interface{}
if err := json.NewDecoder(bytes.NewReader(data)).Decode(&doc); err != nil {
return nil, err
}
errs, err := csaf.ValidateCSAF(doc)
if err != nil {
return nil, err
}
if len(errs) > 0 {
writeStrings("Errors:", errs)
return nil, errors.New("local schema check failed")
}
}
body := new(bytes.Buffer)
writer := multipart.NewWriter(body)
@ -170,6 +205,16 @@ func (p *processor) uploadRequest(filename string) (*http.Request, error) {
}
}
if p.opts.ExternalSigned {
signature, err := os.ReadFile(filename + ".asc")
if err != nil {
return nil, err
}
if err := writer.WriteField("signature", string(signature)); err != nil {
return nil, err
}
}
if err := writer.Close(); err != nil {
return nil, err
}
@ -220,19 +265,8 @@ func (p *processor) process(filename string) error {
fmt.Printf("Release date: %s\n", result.ReleaseDate)
}
if len(result.Warnings) > 0 {
fmt.Println("Warnings:")
for _, warning := range result.Warnings {
fmt.Printf("\t%s\n", warning)
}
}
if len(result.Errors) > 0 {
fmt.Println("Errors:")
for _, err := range result.Errors {
fmt.Printf("\t%s\n", err)
}
}
writeStrings("Warnings:", result.Warnings)
writeStrings("Errors:", result.Errors)
return nil
}
@ -273,7 +307,7 @@ func checkParser(err error) {
if e, ok := err.(*flags.Error); ok && e.Type == flags.ErrHelp {
os.Exit(0)
}
os.Exit(1)
log.Fatalf("error: %v\n", err)
}
}
@ -313,6 +347,10 @@ func main() {
return
}
if len(args) == 0 {
log.Println("No CSAF files given.")
}
for _, arg := range args {
check(p.process(arg))
}

8
csaf/models.go
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@ -1,3 +1,11 @@
// This file is Free Software under the MIT License
// without warranty, see README.md and LICENSES/MIT.txt for details.
//
// SPDX-License-Identifier: MIT
//
// SPDX-FileCopyrightText: 2021 German Federal Office for Information Security (BSI) <https://www.bsi.bund.de>
// Software-Engineering: 2021 Intevation GmbH <https://intevation.de>
package csaf
import (

8
csaf/rolie.go
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@ -1,3 +1,11 @@
// This file is Free Software under the MIT License
// without warranty, see README.md and LICENSES/MIT.txt for details.
//
// SPDX-License-Identifier: MIT
//
// SPDX-FileCopyrightText: 2021 German Federal Office for Information Security (BSI) <https://www.bsi.bund.de>
// Software-Engineering: 2021 Intevation GmbH <https://intevation.de>
package csaf
import (

8
csaf/validation.go
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@ -1,3 +1,11 @@
// This file is Free Software under the MIT License
// without warranty, see README.md and LICENSES/MIT.txt for details.
//
// SPDX-License-Identifier: MIT
//
// SPDX-FileCopyrightText: 2021 German Federal Office for Information Security (BSI) <https://www.bsi.bund.de>
// Software-Engineering: 2021 Intevation GmbH <https://intevation.de>
package csaf
import (