Add sig validation in binary

Signed-off-by: Lukas Bachschwell <lukas@lbsfilm.at>
This commit is contained in:
Lukas Bachschwell 2021-01-09 17:45:42 +01:00
parent b247d3dfec
commit 74bf044c74
Signed by: lbsadmin
GPG Key ID: CCC6AA87CC8DF425
6 changed files with 35 additions and 6 deletions

1
.gitignore vendored
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@ -1,2 +1,3 @@
gitinfo.go gitinfo.go
dist dist
privkey.pem

3
genKeys.sh Executable file
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@ -0,0 +1,3 @@
#!/bin/sh
openssl ecparam -name prime256v1 -genkey -noout -out privkey.pem
openssl ec -in privkey.pem -pubout -out pubkey.pem

5
go.mod
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@ -4,4 +4,7 @@ go 1.15
replace github.com/creativeprojects/go-selfupdate => /Users/LB/Desktop/z_Projects/go-selfupdate replace github.com/creativeprojects/go-selfupdate => /Users/LB/Desktop/z_Projects/go-selfupdate
require github.com/creativeprojects/go-selfupdate v0.0.0-00010101000000-000000000000 require (
github.com/creativeprojects/go-selfupdate v0.0.0-00010101000000-000000000000
github.com/kenshaw/pemutil v0.1.0
)

2
go.sum
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@ -107,6 +107,8 @@ github.com/hashicorp/golang-lru v0.5.1/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ
github.com/ianlancetaylor/demangle v0.0.0-20181102032728-5e5cf60278f6/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc= github.com/ianlancetaylor/demangle v0.0.0-20181102032728-5e5cf60278f6/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc=
github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024/go.mod h1:6v2b51hI/fHJwM22ozAgKL4VKDeJcHhJFhtBdhmNjmU= github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024/go.mod h1:6v2b51hI/fHJwM22ozAgKL4VKDeJcHhJFhtBdhmNjmU=
github.com/jstemmer/go-junit-report v0.9.1/go.mod h1:Brl9GWCQeLvo8nXZwPNNblvFj/XSXhF0NWZEnDohbsk= github.com/jstemmer/go-junit-report v0.9.1/go.mod h1:Brl9GWCQeLvo8nXZwPNNblvFj/XSXhF0NWZEnDohbsk=
github.com/kenshaw/pemutil v0.1.0 h1:rA3FC1PkBPlt/ez3iHgMzdEEFq4Bhnpkh/g2C68oRac=
github.com/kenshaw/pemutil v0.1.0/go.mod h1:KDF39i6NCZ2UJYtdyVVQi8l+G5S3zgE26GzAjFiLmHQ=
github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck= github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo= github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ= github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=

18
main.go
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@ -8,6 +8,7 @@ import (
"runtime" "runtime"
selfupdate "github.com/creativeprojects/go-selfupdate" selfupdate "github.com/creativeprojects/go-selfupdate"
"github.com/kenshaw/pemutil"
) )
//go:generate sh injectGitVars.sh //go:generate sh injectGitVars.sh
@ -36,9 +37,24 @@ func main() {
func update(version string) error { func update(version string) error {
source, _ := selfupdate.NewGiteaSource(selfupdate.GiteaConfig{BaseURL: "https://git.lbsfilm.at/"}) source, _ := selfupdate.NewGiteaSource(selfupdate.GiteaConfig{BaseURL: "https://git.lbsfilm.at/"})
store := make(pemutil.Store)
err := pemutil.Decode(store, []byte(`-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAE0+99Oxlx+P6F9Cd5pUIw6oGY2oFL
qCf//kV/S27OpD6skuEveQG+M1k6eT/o8oVDJ0sj3aIyaF+vruZaBB9HeA==
-----END PUBLIC KEY-----`))
if err != nil {
return err
}
pubkey, ok := store.ECPublicKey()
if !ok {
return fmt.Errorf("no pubkey")
}
updater, err := selfupdate.NewUpdater(selfupdate.Config{ updater, err := selfupdate.NewUpdater(selfupdate.Config{
Source: source, Source: source,
Validator: nil, Validator: &selfupdate.ECDSAValidator{
PublicKey: pubkey,
},
OS: runtime.GOOS, OS: runtime.GOOS,
Arch: runtime.GOARCH, Arch: runtime.GOARCH,
Arm: 0, Arm: 0,

4
pubkey.pem Normal file
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@ -0,0 +1,4 @@
-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAE0+99Oxlx+P6F9Cd5pUIw6oGY2oFL
qCf//kV/S27OpD6skuEveQG+M1k6eT/o8oVDJ0sj3aIyaF+vruZaBB9HeA==
-----END PUBLIC KEY-----