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Otavio Pontes
055e0d7703
Reverting commit to remove Iterative Manifests from mixer
This reverts commit c4bef69b87.
Signed-off-by: Otavio Pontes <otavio.pontes@intel.com>
127 lines
3.7 KiB
Go
127 lines
3.7 KiB
Go
// Copyright 2018 Intel Corporation
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package swupd
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import (
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"text/template"
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)
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// manTemplates is a map of format to relevant manifest template for that
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// format
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var manTemplates = map[uint]string{
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// format 25 manifest template
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// used for formats 1 - 25 as the initial default
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25: `
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{{- with .Header -}}
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MANIFEST {{.Format}}
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version: {{.Version}}
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previous: {{.Previous}}
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filecount: {{.FileCount}}
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timestamp: {{(.TimeStamp.Unix)}}
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contentsize: {{.ContentSize -}}
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{{range .Includes}}
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includes: {{.Name}}
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{{- end}}
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{{- end}}
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{{ range .Files}}
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{{.GetFlagString}} {{.Hash}} {{.Version}} {{.Name}}
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{{- end}}
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`,
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// formats 26 to 28 manifest template
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26: `
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{{- with .Header -}}
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MANIFEST {{.Format}}
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version: {{.Version}}
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previous: {{.Previous}}
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{{ if ne .MinVersion 0 }}minversion: {{.MinVersion}}
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{{ end }}filecount: {{.FileCount}}
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timestamp: {{(.TimeStamp.Unix)}}
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contentsize: {{.ContentSize -}}
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{{range .Includes}}
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includes: {{.Name}}
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{{- end}}
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{{- end}}
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{{ range .Files}}
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{{.GetFlagString}} {{.Hash}} {{.Version}} {{.Name}}
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{{- end}}
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`,
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// format 29 manifest template
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// used for formats 29 and greater until a new format is required
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29: `
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{{- with .Header -}}
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MANIFEST {{.Format}}
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version: {{.Version}}
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previous: {{.Previous}}
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{{ if ne .MinVersion 0 }}minversion: {{.MinVersion}}
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{{ end }}filecount: {{.FileCount}}
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timestamp: {{(.TimeStamp.Unix)}}
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contentsize: {{.ContentSize -}}
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{{range .Includes}}
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includes: {{.Name}}
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{{- end -}}
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{{range .Optional}}
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also-add: {{.Name}}
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{{- end}}
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{{- end}}
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{{ range .Files}}
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{{.GetFlagString}} {{.Hash}} {{.Version}} {{.Name}}
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{{- end}}
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`,
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}
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const statusExperimental = "Experimental"
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func setManifestStatusForFormat(format uint, bundleStatus string, statusFlag *StatusFlag) {
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if format > 26 {
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// Experimental bundles are introduced in format 27 and should not be created in older formats
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if bundleStatus == statusExperimental {
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*statusFlag = StatusExperimental
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}
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}
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}
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// manifestTemplateForFormat returns the *template.Template for creating
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// manifests for the provided format f
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func manifestTemplateForFormat(f uint) (t *template.Template) {
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switch {
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case f <= 25:
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// initial format, everything 0-25 uses this format
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t = template.Must(template.New("manifest").Parse(manTemplates[25]))
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case f > 25 && f <= 28:
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// template for formats 26 to 28
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t = template.Must(template.New("manifest").Parse(manTemplates[26]))
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case f > 28:
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// template for formats 29 or higher
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t = template.Must(template.New("manifest").Parse(manTemplates[29]))
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// when a new format is required it must be added here and the 'case f
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// > 28' must be modified to 'case f > 28 && f < <new_format>'. The
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// <new_format> does not necessarily have to be 29 as format 29 may be
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// created due to a content breaking change instead of a manifest
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// format breaking change.
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}
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return
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}
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// this is a hack to allow users to update using swupd-client v3.15.3 which performs a
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// check on contentsize with a maximum a couple of orders off the intended maximum.
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const badMax uint64 = 2000000000
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func (m *Manifest) setMaxContentSizeForFormat() {
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// this bug only existed in format 25
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if m.Header.Format == 25 && m.Header.ContentSize >= badMax {
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m.Header.ContentSize = badMax - 1
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}
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}
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