mirror of
https://github.com/mjl-/mox.git
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237 lines
9.8 KiB
Go
237 lines
9.8 KiB
Go
package mtasts
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import (
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"reflect"
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"testing"
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"github.com/mjl-/mox/dns"
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)
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func TestRecord(t *testing.T) {
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good := func(txt string, want Record) {
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t.Helper()
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r, _, err := ParseRecord(txt)
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if err != nil {
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t.Fatalf("parse: %s", err)
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}
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if !reflect.DeepEqual(r, &want) {
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t.Fatalf("want %#v, got %#v", want, *r)
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}
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}
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bad := func(txt string) {
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t.Helper()
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r, _, err := ParseRecord(txt)
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if err == nil {
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t.Fatalf("parse, expected error, got record %v", r)
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}
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}
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good("v=STSv1; id=20160831085700Z;", Record{Version: "STSv1", ID: "20160831085700Z"})
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good("v=STSv1; \t id=20160831085700Z \t;", Record{Version: "STSv1", ID: "20160831085700Z"})
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good("v=STSv1; id=a", Record{Version: "STSv1", ID: "a"})
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good("v=STSv1; id=a; more=a; ext=2", Record{Version: "STSv1", ID: "a", Extensions: []Pair{{"more", "a"}, {"ext", "2"}}})
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bad("v=STSv0")
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bad("v=STSv10")
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bad("v=STSv2")
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bad("v=STSv1") // missing id
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bad("v=STSv1;") // missing id
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bad("v=STSv1; ext=1") // missing id
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bad("v=STSv1; id=") // empty id
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bad("v=STSv1; id=012345678901234567890123456789012") // id too long
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bad("v=STSv1; id=test-123") // invalid id
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bad("v=STSv1; id=a; more=") // empty value in extension
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bad("v=STSv1; id=a; a12345678901234567890123456789012=1") // extension name too long
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bad("v=STSv1; id=a; 1%=a") // invalid extension name
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bad("v=STSv1; id=a; test==") // invalid extension name
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bad("v=STSv1; id=a;;") // additional semicolon
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const want = `v=STSv1; id=a; more=a; ext=2`
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record := Record{Version: "STSv1", ID: "a", Extensions: []Pair{{"more", "a"}, {"ext", "2"}}}
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got := record.String()
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if got != want {
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t.Fatalf("record string, got %q, want %q", got, want)
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}
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}
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func TestParsePolicy(t *testing.T) {
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good := func(s string, want Policy) {
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t.Helper()
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p, err := ParsePolicy(s)
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if err != nil {
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t.Fatalf("parse policy: %s", err)
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}
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if !reflect.DeepEqual(p, &want) {
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t.Fatalf("want %v, got %v", want, p)
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}
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}
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good(`version: STSv1
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mode: testing
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mx: mx1.example.com
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mx: mx2.example.com
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mx: mx.backup-example.com
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max_age: 1296000
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`,
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Policy{
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Version: "STSv1",
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Mode: ModeTesting,
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MX: []STSMX{
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{Domain: dns.Domain{ASCII: "mx1.example.com"}},
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{Domain: dns.Domain{ASCII: "mx2.example.com"}},
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{Domain: dns.Domain{ASCII: "mx.backup-example.com"}},
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},
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MaxAgeSeconds: 1296000,
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},
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)
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good("version: STSv1\nmode: enforce \nmx: *.example.com \nmax_age: 0 \n",
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Policy{
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Version: "STSv1",
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Mode: ModeEnforce,
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MX: []STSMX{
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{Wildcard: true, Domain: dns.Domain{ASCII: "example.com"}},
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},
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MaxAgeSeconds: 0,
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},
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)
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good("version:STSv1\r\nmode:\tenforce\r\nmx: \t\t *.example.com\nmax_age: 1\nmore:ext e ns ion",
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Policy{
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Version: "STSv1",
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Mode: ModeEnforce,
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MX: []STSMX{
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{Wildcard: true, Domain: dns.Domain{ASCII: "example.com"}},
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},
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MaxAgeSeconds: 1,
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Extensions: []Pair{{"more", "ext e ns ion"}},
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},
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)
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bad := func(s string) {
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t.Helper()
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p, err := ParsePolicy(s)
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if err == nil {
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t.Fatalf("parsing policy did not fail: %v", p)
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}
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}
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bad("") // missing version
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bad("version:STSv0\nmode:none\nmax_age:0") // bad version
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bad("version:STSv10\nmode:none\nmax_age:0") // bad version
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bad("version:STSv2\nmode:none\nmax_age:0") // bad version
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bad("version:STSv1\nmax_age:0\nmx:example.com") // missing mode
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bad("version:STSv1\nmode:none") // missing max_age
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bad("version:STSv1\nmax_age:0\nmode:enforce") // missing mx for mode
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bad("version:STSv1\nmax_age:0\nmode:testing") // missing mx for mode
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bad("max_age:0\nmode:none") // missing version
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bad("version:STSv1\nmode:none\nmax_age:01234567890") // max_age too long
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bad("version:STSv1\nmode:bad\nmax_age:1") // bad mode
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bad("version:STSv1\nmode:none\nmax_age:a") // bad max_age
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bad("version:STSv1\nmode:enforce\nmax_age:0\nmx:") // missing value
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bad("version:STSv1\nmode:enforce\nmax_age:0\nmx:*.*.example") // bad mx
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bad("version:STSv1\nmode:enforce\nmax_age:0\nmx:**.example") // bad mx
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bad("version:STSv1\nmode:enforce\nmax_age:0\nmx:**.example-") // bad mx
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bad("version:STSv1\nmode:enforce\nmax_age:0\nmx:test.example-") // bad mx
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bad("version:STSv1\nmode:none\nmax_age:0\next:") // empty extension
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bad("version:STSv1\nmode:none\nmax_age:0\na12345678901234567890123456789012:123") // long extension name
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bad("version:STSv1\nmode:none\nmax_age:0\n_bad:test") // bad ext name
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bad("version:STSv1\nmode:none\nmax_age:0\nmx: møx.example") // invalid u-label in mx
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policy := Policy{
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Version: "STSv1",
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Mode: ModeTesting,
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MX: []STSMX{
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{Domain: dns.Domain{ASCII: "mx1.example.com"}},
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{Domain: dns.Domain{ASCII: "mx2.example.com"}},
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{Domain: dns.Domain{ASCII: "mx.backup-example.com"}},
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},
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MaxAgeSeconds: 1296000,
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}
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want := `version: STSv1
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mode: testing
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max_age: 1296000
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mx: mx1.example.com
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mx: mx2.example.com
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mx: mx.backup-example.com
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`
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got := policy.String()
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if got != want {
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t.Fatalf("policy string, got %q, want %q", got, want)
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}
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}
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func FuzzParseRecord(f *testing.F) {
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f.Add("v=STSv1; id=20160831085700Z;")
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f.Add("v=STSv1; \t id=20160831085700Z \t;")
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f.Add("v=STSv1; id=a")
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f.Add("v=STSv1; id=a; more=a; ext=2")
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f.Add("v=STSv0")
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f.Add("v=STSv10")
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f.Add("v=STSv2")
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f.Add("v=STSv1") // missing id
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f.Add("v=STSv1;") // missing id
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f.Add("v=STSv1; ext=1") // missing id
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f.Add("v=STSv1; id=") // empty id
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f.Add("v=STSv1; id=012345678901234567890123456789012") // id too long
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f.Add("v=STSv1; id=test-123") // invalid id
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f.Add("v=STSv1; id=a; more=") // empty value in extension
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f.Add("v=STSv1; id=a; a12345678901234567890123456789012=1") // extension name too long
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f.Add("v=STSv1; id=a; 1%=a") // invalid extension name
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f.Add("v=STSv1; id=a; test==") // invalid extension name
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f.Add("v=STSv1; id=a;;") // additional semicolon
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f.Fuzz(func(t *testing.T, s string) {
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r, _, err := ParseRecord(s)
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if err == nil {
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_ = r.String()
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}
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})
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}
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func FuzzParsePolicy(f *testing.F) {
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f.Add(`version: STSv1
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mode: testing
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mx: mx1.example.com
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mx: mx2.example.com
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mx: mx.backup-example.com
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max_age: 1296000
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`)
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f.Add(`version: STSv1
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mode: enforce
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mx: *.example.com
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max_age: 0
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`)
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f.Add("version:STSv1\r\nmode:\tenforce\r\nmx: \t\t *.example.com\nmax_age: 1\nmore:ext e ns ion")
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f.Add("") // missing version
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f.Add("version:STSv0\nmode:none\nmax_age:0") // bad version
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f.Add("version:STSv10\nmode:none\nmax_age:0") // bad version
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f.Add("version:STSv2\nmode:none\nmax_age:0") // bad version
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f.Add("version:STSv1\nmax_age:0\nmx:example.com") // missing mode
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f.Add("version:STSv1\nmode:none") // missing max_age
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f.Add("version:STSv1\nmax_age:0\nmode:enforce") // missing mx for mode
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f.Add("version:STSv1\nmax_age:0\nmode:testing") // missing mx for mode
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f.Add("max_age:0\nmode:none") // missing version
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f.Add("version:STSv1\nmode:none\nmax_age:0 ") // trailing whitespace
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f.Add("version:STSv1\nmode:none\nmax_age:01234567890") // max_age too long
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f.Add("version:STSv1\nmode:bad\nmax_age:1") // bad mode
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f.Add("version:STSv1\nmode:none\nmax_age:a") // bad max_age
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f.Add("version:STSv1\nmode:enforce\nmax_age:0\nmx:") // missing value
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f.Add("version:STSv1\nmode:enforce\nmax_age:0\nmx:*.*.example") // bad mx
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f.Add("version:STSv1\nmode:enforce\nmax_age:0\nmx:**.example") // bad mx
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f.Add("version:STSv1\nmode:enforce\nmax_age:0\nmx:**.example-") // bad mx
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f.Add("version:STSv1\nmode:enforce\nmax_age:0\nmx:test.example-") // bad mx
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f.Add("version:STSv1\nmode:none\nmax_age:0\next:") // empty extension
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f.Add("version:STSv1\nmode:none\nmax_age:0\next:abc ") // trailing space
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f.Add("version:STSv1\nmode:none\nmax_age:0\next:a\t") // invalid char
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f.Add("version:STSv1\nmode:none\nmax_age:0\na12345678901234567890123456789012:123") // long extension name
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f.Add("version:STSv1\nmode:none\nmax_age:0\n_bad:test") // bad ext name
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f.Fuzz(func(t *testing.T, s string) {
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r, err := ParsePolicy(s)
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if err == nil {
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_ = r.String()
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}
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})
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}
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