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Merge pull request #7 from csaf-poc/validate-csaf-schema-alt

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Validate csaf schema
This commit is contained in:
Fadi Abbud 2021-12-06 10:07:17 +01:00 • committed by GitHub
commit 75bf445c71
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GPG key ID: 4AEE18F83AFDEB23
10 changed files with 1873 additions and 1 deletions
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1
cmd/csaf_provider/config.go
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@ -27,6 +27,7 @@ type config struct {
OpenPGPURL string `toml:"openpgp_url"`
Domain string `toml:"domain"`
NoPassphrase bool `toml:"no_passphrase"`
NoValidation bool `toml:"no_validation"`
DynamicProviderMetaData bool `toml:"dynamic_provider_metadata"`
Publisher *csaf.Publisher `toml:"publisher"`
}

22
cmd/csaf_provider/controller.go
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@ -58,6 +58,14 @@ func (c *controller) render(rw http.ResponseWriter, tmpl string, arg interface{}
}
func (c *controller) failed(rw http.ResponseWriter, tmpl string, err error) {
rw.Header().Set("Content-type", "text/html; charset=utf-8")
result := map[string]interface{}{"Error": []error{err}}
if err := c.tmpl.ExecuteTemplate(rw, tmpl, result); err != nil {
log.Printf("warn: %v\n", err)
}
}
func (c *controller) multiFailed(rw http.ResponseWriter, tmpl string, err interface{}) {
rw.Header().Set("Content-type", "text/html; charset=utf-8")
result := map[string]interface{}{"Error": err}
if err := c.tmpl.ExecuteTemplate(rw, tmpl, result); err != nil {
@ -188,6 +196,20 @@ func (c *controller) upload(rw http.ResponseWriter, r *http.Request) {
return
}
// Validate againt JSON schema.
if !c.cfg.NoValidation {
validationErrors, err := csaf.ValidateCSAF(content)
if err != nil {
c.failed(rw, "upload.html", err)
return
}
if len(validationErrors) > 0 {
c.multiFailed(rw, "upload.html", validationErrors)
return
}
}
ex, err := newExtraction(content)
if err != nil {
c.failed(rw, "upload.html", err)

13
cmd/csaf_provider/tmpl/upload.html
View file

@ -8,7 +8,18 @@
<body>
<h1>CSAF-Provider - CSAF uploaded</h1>
{{ if .Error }}
<strong>Error: <tt>{{ .Error }}.</tt></strong>
{{ if eq (len .Error) 1 }}
<strong>Error: <tt>{{ index .Error 0 }}.</tt></strong>
{{ else }}
<p>
Errors:
<ul>
{{ range .Error }}
<li>{{ . }}</li>
{{ end }}
</ul>
<p>
{{ end }}
{{ else }}
<table>
<tr><td>CSAF file:</td><td><tt>{{ .Name }}</tt></td></tr>

1343
csaf/schema/csaf_json_schema.json Normal file
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104
csaf/schema/cvss-v2.0.json Normal file
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@ -0,0 +1,104 @@
{
"license": [
"Copyright (c) 2017, FIRST.ORG, INC.",
"All rights reserved.",
"",
"Redistribution and use in source and binary forms, with or without modification, are permitted provided that the ",
"following conditions are met:",
"1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following ",
" disclaimer.",
"2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the ",
" following disclaimer in the documentation and/or other materials provided with the distribution.",
"3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote ",
" products derived from this software without specific prior written permission.",
"",
"THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND ANY EXPRESS OR IMPLIED WARRANTIES, ",
"INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE ",
"DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, ",
"SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR ",
"SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, ",
"WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE ",
"OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
],
"$schema": "http://json-schema.org/draft-04/schema#",
"title": "JSON Schema for Common Vulnerability Scoring System version 2.0",
"id": "https://www.first.org/cvss/cvss-v2.0.json?20170531",
"type": "object",
"definitions": {
"accessVectorType": {
"type": "string",
"enum": [ "NETWORK", "ADJACENT_NETWORK", "LOCAL" ]
},
"accessComplexityType": {
"type": "string",
"enum": [ "HIGH", "MEDIUM", "LOW" ]
},
"authenticationType": {
"type": "string",
"enum": [ "MULTIPLE", "SINGLE", "NONE" ]
},
"ciaType": {
"type": "string",
"enum": [ "NONE", "PARTIAL", "COMPLETE" ]
},
"exploitabilityType": {
"type": "string",
"enum": [ "UNPROVEN", "PROOF_OF_CONCEPT", "FUNCTIONAL", "HIGH", "NOT_DEFINED" ]
},
"remediationLevelType": {
"type": "string",
"enum": [ "OFFICIAL_FIX", "TEMPORARY_FIX", "WORKAROUND", "UNAVAILABLE", "NOT_DEFINED" ]
},
"reportConfidenceType": {
"type": "string",
"enum": [ "UNCONFIRMED", "UNCORROBORATED", "CONFIRMED", "NOT_DEFINED" ]
},
"collateralDamagePotentialType": {
"type": "string",
"enum": [ "NONE", "LOW", "LOW_MEDIUM", "MEDIUM_HIGH", "HIGH", "NOT_DEFINED" ]
},
"targetDistributionType": {
"type": "string",
"enum": [ "NONE", "LOW", "MEDIUM", "HIGH", "NOT_DEFINED" ]
},
"ciaRequirementType": {
"type": "string",
"enum": [ "LOW", "MEDIUM", "HIGH", "NOT_DEFINED" ]
},
"scoreType": {
"type": "number",
"minimum": 0,
"maximum": 10
}
},
"properties": {
"version": {
"description": "CVSS Version",
"type": "string",
"enum": [ "2.0" ]
},
"vectorString": {
"type": "string",
"pattern": "^((AV:[NAL]|AC:[LMH]|Au:[MSN]|[CIA]:[NPC]|E:(U|POC|F|H|ND)|RL:(OF|TF|W|U|ND)|RC:(UC|UR|C|ND)|CDP:(N|L|LM|MH|H|ND)|TD:(N|L|M|H|ND)|[CIA]R:(L|M|H|ND))/)*(AV:[NAL]|AC:[LMH]|Au:[MSN]|[CIA]:[NPC]|E:(U|POC|F|H|ND)|RL:(OF|TF|W|U|ND)|RC:(UC|UR|C|ND)|CDP:(N|L|LM|MH|H|ND)|TD:(N|L|M|H|ND)|[CIA]R:(L|M|H|ND))$"
},
"accessVector": { "$ref": "#/definitions/accessVectorType" },
"accessComplexity": { "$ref": "#/definitions/accessComplexityType" },
"authentication": { "$ref": "#/definitions/authenticationType" },
"confidentialityImpact": { "$ref": "#/definitions/ciaType" },
"integrityImpact": { "$ref": "#/definitions/ciaType" },
"availabilityImpact": { "$ref": "#/definitions/ciaType" },
"baseScore": { "$ref": "#/definitions/scoreType" },
"exploitability": { "$ref": "#/definitions/exploitabilityType" },
"remediationLevel": { "$ref": "#/definitions/remediationLevelType" },
"reportConfidence": { "$ref": "#/definitions/reportConfidenceType" },
"temporalScore": { "$ref": "#/definitions/scoreType" },
"collateralDamagePotential": { "$ref": "#/definitions/collateralDamagePotentialType" },
"targetDistribution": { "$ref": "#/definitions/targetDistributionType" },
"confidentialityRequirement": { "$ref": "#/definitions/ciaRequirementType" },
"integrityRequirement": { "$ref": "#/definitions/ciaRequirementType" },
"availabilityRequirement": { "$ref": "#/definitions/ciaRequirementType" },
"environmentalScore": { "$ref": "#/definitions/scoreType" }
},
"required": [ "version", "vectorString", "baseScore" ]
}

143
csaf/schema/cvss-v3.0.json Normal file
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@ -0,0 +1,143 @@
{
"license": [
"Copyright (c) 2017, FIRST.ORG, INC.",
"All rights reserved.",
"",
"Redistribution and use in source and binary forms, with or without modification, are permitted provided that the ",
"following conditions are met:",
"1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following ",
" disclaimer.",
"2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the ",
" following disclaimer in the documentation and/or other materials provided with the distribution.",
"3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote ",
" products derived from this software without specific prior written permission.",
"",
"THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND ANY EXPRESS OR IMPLIED WARRANTIES, ",
"INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE ",
"DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, ",
"SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR ",
"SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, ",
"WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE ",
"OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
],
"$schema": "http://json-schema.org/draft-04/schema#",
"title": "JSON Schema for Common Vulnerability Scoring System version 3.0",
"id": "https://www.first.org/cvss/cvss-v3.0.json?20170531",
"type": "object",
"definitions": {
"attackVectorType": {
"type": "string",
"enum": [ "NETWORK", "ADJACENT_NETWORK", "LOCAL", "PHYSICAL" ]
},
"modifiedAttackVectorType": {
"type": "string",
"enum": [ "NETWORK", "ADJACENT_NETWORK", "LOCAL", "PHYSICAL", "NOT_DEFINED" ]
},
"attackComplexityType": {
"type": "string",
"enum": [ "HIGH", "LOW" ]
},
"modifiedAttackComplexityType": {
"type": "string",
"enum": [ "HIGH", "LOW", "NOT_DEFINED" ]
},
"privilegesRequiredType": {
"type": "string",
"enum": [ "HIGH", "LOW", "NONE" ]
},
"modifiedPrivilegesRequiredType": {
"type": "string",
"enum": [ "HIGH", "LOW", "NONE", "NOT_DEFINED" ]
},
"userInteractionType": {
"type": "string",
"enum": [ "NONE", "REQUIRED" ]
},
"modifiedUserInteractionType": {
"type": "string",
"enum": [ "NONE", "REQUIRED", "NOT_DEFINED" ]
},
"scopeType": {
"type": "string",
"enum": [ "UNCHANGED", "CHANGED" ]
},
"modifiedScopeType": {
"type": "string",
"enum": [ "UNCHANGED", "CHANGED", "NOT_DEFINED" ]
},
"ciaType": {
"type": "string",
"enum": [ "NONE", "LOW", "HIGH" ]
},
"modifiedCiaType": {
"type": "string",
"enum": [ "NONE", "LOW", "HIGH", "NOT_DEFINED" ]
},
"exploitCodeMaturityType": {
"type": "string",
"enum": [ "UNPROVEN", "PROOF_OF_CONCEPT", "FUNCTIONAL", "HIGH", "NOT_DEFINED" ]
},
"remediationLevelType": {
"type": "string",
"enum": [ "OFFICIAL_FIX", "TEMPORARY_FIX", "WORKAROUND", "UNAVAILABLE", "NOT_DEFINED" ]
},
"confidenceType": {
"type": "string",
"enum": [ "UNKNOWN", "REASONABLE", "CONFIRMED", "NOT_DEFINED" ]
},
"ciaRequirementType": {
"type": "string",
"enum": [ "LOW", "MEDIUM", "HIGH", "NOT_DEFINED" ]
},
"scoreType": {
"type": "number",
"minimum": 0,
"maximum": 10
},
"severityType": {
"type": "string",
"enum": [ "NONE", "LOW", "MEDIUM", "HIGH", "CRITICAL" ]
}
},
"properties": {
"version": {
"description": "CVSS Version",
"type": "string",
"enum": [ "3.0" ]
},
"vectorString": {
"type": "string",
"pattern": "^CVSS:3[.]0/((AV:[NALP]|AC:[LH]|PR:[UNLH]|UI:[NR]|S:[UC]|[CIA]:[NLH]|E:[XUPFH]|RL:[XOTWU]|RC:[XURC]|[CIA]R:[XLMH]|MAV:[XNALP]|MAC:[XLH]|MPR:[XUNLH]|MUI:[XNR]|MS:[XUC]|M[CIA]:[XNLH])/)*(AV:[NALP]|AC:[LH]|PR:[UNLH]|UI:[NR]|S:[UC]|[CIA]:[NLH]|E:[XUPFH]|RL:[XOTWU]|RC:[XURC]|[CIA]R:[XLMH]|MAV:[XNALP]|MAC:[XLH]|MPR:[XUNLH]|MUI:[XNR]|MS:[XUC]|M[CIA]:[XNLH])$"
},
"attackVector": { "$ref": "#/definitions/attackVectorType" },
"attackComplexity": { "$ref": "#/definitions/attackComplexityType" },
"privilegesRequired": { "$ref": "#/definitions/privilegesRequiredType" },
"userInteraction": { "$ref": "#/definitions/userInteractionType" },
"scope": { "$ref": "#/definitions/scopeType" },
"confidentialityImpact": { "$ref": "#/definitions/ciaType" },
"integrityImpact": { "$ref": "#/definitions/ciaType" },
"availabilityImpact": { "$ref": "#/definitions/ciaType" },
"baseScore": { "$ref": "#/definitions/scoreType" },
"baseSeverity": { "$ref": "#/definitions/severityType" },
"exploitCodeMaturity": { "$ref": "#/definitions/exploitCodeMaturityType" },
"remediationLevel": { "$ref": "#/definitions/remediationLevelType" },
"reportConfidence": { "$ref": "#/definitions/confidenceType" },
"temporalScore": { "$ref": "#/definitions/scoreType" },
"temporalSeverity": { "$ref": "#/definitions/severityType" },
"confidentialityRequirement": { "$ref": "#/definitions/ciaRequirementType" },
"integrityRequirement": { "$ref": "#/definitions/ciaRequirementType" },
"availabilityRequirement": { "$ref": "#/definitions/ciaRequirementType" },
"modifiedAttackVector": { "$ref": "#/definitions/modifiedAttackVectorType" },
"modifiedAttackComplexity": { "$ref": "#/definitions/modifiedAttackComplexityType" },
"modifiedPrivilegesRequired": { "$ref": "#/definitions/modifiedPrivilegesRequiredType" },
"modifiedUserInteraction": { "$ref": "#/definitions/modifiedUserInteractionType" },
"modifiedScope": { "$ref": "#/definitions/modifiedScopeType" },
"modifiedConfidentialityImpact": { "$ref": "#/definitions/modifiedCiaType" },
"modifiedIntegrityImpact": { "$ref": "#/definitions/modifiedCiaType" },
"modifiedAvailabilityImpact": { "$ref": "#/definitions/modifiedCiaType" },
"environmentalScore": { "$ref": "#/definitions/scoreType" },
"environmentalSeverity": { "$ref": "#/definitions/severityType" }
},
"required": [ "version", "vectorString", "baseScore", "baseSeverity" ]
}

143
csaf/schema/cvss-v3.1.json Normal file
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@ -0,0 +1,143 @@
{
"license": [
"Copyright (c) 2021, FIRST.ORG, INC.",
"All rights reserved.",
"",
"Redistribution and use in source and binary forms, with or without modification, are permitted provided that the ",
"following conditions are met:",
"1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following ",
" disclaimer.",
"2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the ",
" following disclaimer in the documentation and/or other materials provided with the distribution.",
"3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote ",
" products derived from this software without specific prior written permission.",
"",
"THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND ANY EXPRESS OR IMPLIED WARRANTIES, ",
"INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE ",
"DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, ",
"SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR ",
"SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, ",
"WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE ",
"OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
],
"$schema": "http://json-schema.org/draft-07/schema#",
"title": "JSON Schema for Common Vulnerability Scoring System version 3.1",
"$id": "https://www.first.org/cvss/cvss-v3.1.json?20211103",
"type": "object",
"definitions": {
"attackVectorType": {
"type": "string",
"enum": [ "NETWORK", "ADJACENT_NETWORK", "LOCAL", "PHYSICAL" ]
},
"modifiedAttackVectorType": {
"type": "string",
"enum": [ "NETWORK", "ADJACENT_NETWORK", "LOCAL", "PHYSICAL", "NOT_DEFINED" ]
},
"attackComplexityType": {
"type": "string",
"enum": [ "HIGH", "LOW" ]
},
"modifiedAttackComplexityType": {
"type": "string",
"enum": [ "HIGH", "LOW", "NOT_DEFINED" ]
},
"privilegesRequiredType": {
"type": "string",
"enum": [ "HIGH", "LOW", "NONE" ]
},
"modifiedPrivilegesRequiredType": {
"type": "string",
"enum": [ "HIGH", "LOW", "NONE", "NOT_DEFINED" ]
},
"userInteractionType": {
"type": "string",
"enum": [ "NONE", "REQUIRED" ]
},
"modifiedUserInteractionType": {
"type": "string",
"enum": [ "NONE", "REQUIRED", "NOT_DEFINED" ]
},
"scopeType": {
"type": "string",
"enum": [ "UNCHANGED", "CHANGED" ]
},
"modifiedScopeType": {
"type": "string",
"enum": [ "UNCHANGED", "CHANGED", "NOT_DEFINED" ]
},
"ciaType": {
"type": "string",
"enum": [ "NONE", "LOW", "HIGH" ]
},
"modifiedCiaType": {
"type": "string",
"enum": [ "NONE", "LOW", "HIGH", "NOT_DEFINED" ]
},
"exploitCodeMaturityType": {
"type": "string",
"enum": [ "UNPROVEN", "PROOF_OF_CONCEPT", "FUNCTIONAL", "HIGH", "NOT_DEFINED" ]
},
"remediationLevelType": {
"type": "string",
"enum": [ "OFFICIAL_FIX", "TEMPORARY_FIX", "WORKAROUND", "UNAVAILABLE", "NOT_DEFINED" ]
},
"confidenceType": {
"type": "string",
"enum": [ "UNKNOWN", "REASONABLE", "CONFIRMED", "NOT_DEFINED" ]
},
"ciaRequirementType": {
"type": "string",
"enum": [ "LOW", "MEDIUM", "HIGH", "NOT_DEFINED" ]
},
"scoreType": {
"type": "number",
"minimum": 0,
"maximum": 10
},
"severityType": {
"type": "string",
"enum": [ "NONE", "LOW", "MEDIUM", "HIGH", "CRITICAL" ]
}
},
"properties": {
"version": {
"description": "CVSS Version",
"type": "string",
"enum": [ "3.1" ]
},
"vectorString": {
"type": "string",
"pattern": "^CVSS:3[.]1/((AV:[NALP]|AC:[LH]|PR:[NLH]|UI:[NR]|S:[UC]|[CIA]:[NLH]|E:[XUPFH]|RL:[XOTWU]|RC:[XURC]|[CIA]R:[XLMH]|MAV:[XNALP]|MAC:[XLH]|MPR:[XNLH]|MUI:[XNR]|MS:[XUC]|M[CIA]:[XNLH])/)*(AV:[NALP]|AC:[LH]|PR:[NLH]|UI:[NR]|S:[UC]|[CIA]:[NLH]|E:[XUPFH]|RL:[XOTWU]|RC:[XURC]|[CIA]R:[XLMH]|MAV:[XNALP]|MAC:[XLH]|MPR:[XNLH]|MUI:[XNR]|MS:[XUC]|M[CIA]:[XNLH])$"
},
"attackVector": { "$ref": "#/definitions/attackVectorType" },
"attackComplexity": { "$ref": "#/definitions/attackComplexityType" },
"privilegesRequired": { "$ref": "#/definitions/privilegesRequiredType" },
"userInteraction": { "$ref": "#/definitions/userInteractionType" },
"scope": { "$ref": "#/definitions/scopeType" },
"confidentialityImpact": { "$ref": "#/definitions/ciaType" },
"integrityImpact": { "$ref": "#/definitions/ciaType" },
"availabilityImpact": { "$ref": "#/definitions/ciaType" },
"baseScore": { "$ref": "#/definitions/scoreType" },
"baseSeverity": { "$ref": "#/definitions/severityType" },
"exploitCodeMaturity": { "$ref": "#/definitions/exploitCodeMaturityType" },
"remediationLevel": { "$ref": "#/definitions/remediationLevelType" },
"reportConfidence": { "$ref": "#/definitions/confidenceType" },
"temporalScore": { "$ref": "#/definitions/scoreType" },
"temporalSeverity": { "$ref": "#/definitions/severityType" },
"confidentialityRequirement": { "$ref": "#/definitions/ciaRequirementType" },
"integrityRequirement": { "$ref": "#/definitions/ciaRequirementType" },
"availabilityRequirement": { "$ref": "#/definitions/ciaRequirementType" },
"modifiedAttackVector": { "$ref": "#/definitions/modifiedAttackVectorType" },
"modifiedAttackComplexity": { "$ref": "#/definitions/modifiedAttackComplexityType" },
"modifiedPrivilegesRequired": { "$ref": "#/definitions/modifiedPrivilegesRequiredType" },
"modifiedUserInteraction": { "$ref": "#/definitions/modifiedUserInteractionType" },
"modifiedScope": { "$ref": "#/definitions/modifiedScopeType" },
"modifiedConfidentialityImpact": { "$ref": "#/definitions/modifiedCiaType" },
"modifiedIntegrityImpact": { "$ref": "#/definitions/modifiedCiaType" },
"modifiedAvailabilityImpact": { "$ref": "#/definitions/modifiedCiaType" },
"environmentalScore": { "$ref": "#/definitions/scoreType" },
"environmentalSeverity": { "$ref": "#/definitions/severityType" }
},
"required": [ "version", "vectorString", "baseScore", "baseSeverity" ]
}

102
csaf/validation.go Normal file
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@ -0,0 +1,102 @@
package csaf
import (
"bytes"
_ "embed" // Used for embedding.
"sort"
"strings"
"sync"
"github.com/santhosh-tekuri/jsonschema/v5"
)
//go:embed schema/csaf_json_schema.json
var csafSchema []byte
//go:embed schema/cvss-v2.0.json
var cvss20 []byte
//go:embed schema/cvss-v3.0.json
var cvss30 []byte
//go:embed schema/cvss-v3.1.json
var cvss31 []byte
var (
compileSchemaOnce sync.Once
compileError error
compiledSchema *jsonschema.Schema
)
func compileSchema() {
c := jsonschema.NewCompiler()
for _, s := range []struct {
url string
data []byte
}{
{"https://docs.oasis-open.org/csaf/csaf/v2.0/csaf_json_schema.json", csafSchema},
{"https://www.first.org/cvss/cvss-v2.0.json", cvss20},
{"https://www.first.org/cvss/cvss-v3.0.json", cvss30},
{"https://www.first.org/cvss/cvss-v3.1.json", cvss31},
} {
if compileError = c.AddResource(s.url, bytes.NewReader(s.data)); compileError != nil {
return
}
}
compiledSchema, compileError = c.Compile(
"https://docs.oasis-open.org/csaf/csaf/v2.0/csaf_json_schema.json")
}
// ValidateCSAF validates the document data against the JSON schema
// of CSAF.
func ValidateCSAF(doc interface{}) ([]string, error) {
compileSchemaOnce.Do(compileSchema)
if compileError != nil {
return nil, compileError
}
err := compiledSchema.Validate(doc)
if err == nil {
return nil, nil
}
valErr, ok := err.(*jsonschema.ValidationError)
if !ok {
return nil, err
}
basic := valErr.BasicOutput()
if basic.Valid {
return nil, nil
}
errs := basic.Errors
sort.Slice(errs, func(i, j int) bool {
pi := errs[i].InstanceLocation
pj := errs[j].InstanceLocation
if strings.HasPrefix(pj, pi) {
return true
}
if strings.HasPrefix(pi, pj) {
return false
}
if pi != pj {
return pi < pj
}
return errs[i].Error < errs[j].Error
})
res := make([]string, 0, len(errs))
for i := range errs {
if e := &errs[i]; e.InstanceLocation != "" && e.Error != "" {
res = append(res, e.InstanceLocation+": "+e.Error)
}
}
return res, nil
}

1
go.mod
View file

@ -7,6 +7,7 @@ require (
github.com/PaesslerAG/gval v1.1.2
github.com/PaesslerAG/jsonpath v0.1.1
github.com/ProtonMail/gopenpgp/v2 v2.3.0
github.com/santhosh-tekuri/jsonschema/v5 v5.0.0
)
require (

2
go.sum
View file

@ -22,6 +22,8 @@ github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
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/santhosh-tekuri/jsonschema/v5 v5.0.0 h1:TToq11gyfNlrMFZiYujSekIsPd9AmsA2Bj/iv+s4JHE=
github.com/santhosh-tekuri/jsonschema/v5 v5.0.0/go.mod h1:FKdcjfQW6rpZSnxxUvEA5H/cDPdvJ/SZJQLWWXWGrZ0=
github.com/sirupsen/logrus v1.4.2 h1:SPIRibHv4MatM3XXNO2BJeFLZwZ2LvZgfQ5+UNI2im4=
github.com/sirupsen/logrus v1.4.2/go.mod h1:tLMulIdttU9McNUspp0xgXVQah82FyeX6MwdIuYE2rE=
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=