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core: update protocols regexps

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This commit is contained in:
Anna Shaleva 2021-02-17 10:42:00 +03:00
parent 15d90925b8
commit 0cd02e2de8
3 changed files with 59 additions and 3 deletions
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4
pkg/core/native/name_service.go
View file

@ -75,8 +75,8 @@ var (
// Lookahead is not supported by Go, but it is simple `(?=.{3,255}$)`,
// so we check name length explicitly.
nameRegex = regexp.MustCompile("^([a-z0-9]{1,62}\\.)+[a-z][a-z0-9]{0,15}$")
ipv4Regex = regexp.MustCompile("^(2(5[0-5]|[0-4]\\d))|1?\\d{1,2}(\\.((2(5[0-5]|[0-4]\\d))|1?\\d{1,2})){3}$")
ipv6Regex = regexp.MustCompile("^([a-f0-9A-F]{1,4}:){7}[a-f0-9A-F]{1,4}$")
ipv4Regex = regexp.MustCompile("^(?:(?:25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9][0-9]|[0-9])\\.){3}(?:25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9][0-9]|[0-9])$")
ipv6Regex = regexp.MustCompile("(?:^)(([0-9a-f]{1,4}:){7,7}[0-9a-f]{1,4}|([0-9a-f]{1,4}:){1,7}:|([0-9a-f]{1,4}:){1,6}:[0-9a-f]{1,4}|([0-9a-f]{1,4}:){1,5}(:[0-9a-f]{1,4}){1,2}|([0-9a-f]{1,4}:){1,4}(:[0-9a-f]{1,4}){1,3}|([0-9a-f]{1,4}:){1,3}(:[0-9a-f]{1,4}){1,4}|([0-9a-f]{1,4}:){1,2}(:[0-9a-f]{1,4}){1,5}|[0-9a-f]{1,4}:((:[0-9a-f]{1,4}){1,6})|:((:[0-9a-f]{1,4}){1,7}|:))$")
rootRegex = regexp.MustCompile("^[a-z][a-z0-9]{0,15}$")
)

56
pkg/core/native/name_service_test.go
View file

@ -30,3 +30,59 @@ func TestParseDomain(t *testing.T) {
_, ok := domainFromString("nodots")
require.False(t, ok)
}
func TestNameService_CheckName(t *testing.T) {
// tests are got from the C# implementation
testCases := []struct {
Type RecordType
Name string
ShouldFail bool
}{
{Type: RecordTypeA, Name: "0.0.0.0"},
{Type: RecordTypeA, Name: "10.10.10.10"},
{Type: RecordTypeA, Name: "255.255.255.255"},
{Type: RecordTypeA, Name: "192.168.1.1"},
{Type: RecordTypeA, Name: "1a", ShouldFail: true},
{Type: RecordTypeA, Name: "256.0.0.0", ShouldFail: true},
{Type: RecordTypeA, Name: "01.01.01.01", ShouldFail: true},
{Type: RecordTypeA, Name: "00.0.0.0", ShouldFail: true},
{Type: RecordTypeA, Name: "0.0.0.-1", ShouldFail: true},
{Type: RecordTypeA, Name: "0.0.0.0.1", ShouldFail: true},
{Type: RecordTypeA, Name: "11111111.11111111.11111111.11111111", ShouldFail: true},
{Type: RecordTypeA, Name: "11111111.11111111.11111111.11111111", ShouldFail: true},
{Type: RecordTypeA, Name: "ff.ff.ff.ff", ShouldFail: true},
{Type: RecordTypeA, Name: "0.0.256", ShouldFail: true},
{Type: RecordTypeA, Name: "0.0.0", ShouldFail: true},
{Type: RecordTypeA, Name: "0.257", ShouldFail: true},
{Type: RecordTypeA, Name: "1.1", ShouldFail: true},
{Type: RecordTypeA, Name: "257", ShouldFail: true},
{Type: RecordTypeA, Name: "1", ShouldFail: true},
{Type: RecordTypeAAAA, Name: "2001:db8::8:800:200c:417a"},
{Type: RecordTypeAAAA, Name: "ff01::101"},
{Type: RecordTypeAAAA, Name: "::1"},
{Type: RecordTypeAAAA, Name: "::"},
{Type: RecordTypeAAAA, Name: "2001:db8:0:0:8:800:200c:417a"},
{Type: RecordTypeAAAA, Name: "ff01:0:0:0:0:0:0:101"},
{Type: RecordTypeAAAA, Name: "0:0:0:0:0:0:0:1"},
{Type: RecordTypeAAAA, Name: "0:0:0:0:0:0:0:0"},
{Type: RecordTypeAAAA, Name: "2001:DB8::8:800:200C:417A", ShouldFail: true},
{Type: RecordTypeAAAA, Name: "FF01::101", ShouldFail: true},
{Type: RecordTypeAAAA, Name: "fF01::101", ShouldFail: true},
{Type: RecordTypeAAAA, Name: "2001:DB8:0:0:8:800:200C:417A", ShouldFail: true},
{Type: RecordTypeAAAA, Name: "FF01:0:0:0:0:0:0:101", ShouldFail: true},
{Type: RecordTypeAAAA, Name: "::ffff:1.01.1.01", ShouldFail: true},
{Type: RecordTypeAAAA, Name: "2001:DB8:0:0:8:800:200C:4Z", ShouldFail: true},
{Type: RecordTypeAAAA, Name: "::13.1.68.3", ShouldFail: true},
}
for _, testCase := range testCases {
if testCase.ShouldFail {
require.Panics(t, func() {
checkName(testCase.Type, testCase.Name)
})
} else {
require.NotPanics(t, func() {
checkName(testCase.Type, testCase.Name)
})
}
}
}

2
pkg/core/native_name_service_test.go
View file

@ -205,7 +205,7 @@ func TestSetGetRecord(t *testing.T) {
testNameServiceInvoke(t, bc, "getRecord", "1.2.3.4", "neo.com", int64(native.RecordTypeA))
testNameServiceInvoke(t, bc, "setRecord", stackitem.Null{}, "neo.com", int64(native.RecordTypeA), "1.2.3.4")
testNameServiceInvoke(t, bc, "getRecord", "1.2.3.4", "neo.com", int64(native.RecordTypeA))
testNameServiceInvoke(t, bc, "setRecord", stackitem.Null{}, "neo.com", int64(native.RecordTypeAAAA), "2001:0000:1F1F:0000:0000:0100:11A0:ADDF")
testNameServiceInvoke(t, bc, "setRecord", stackitem.Null{}, "neo.com", int64(native.RecordTypeAAAA), "2001:0000:1f1f:0000:0000:0100:11a0:addf")
testNameServiceInvoke(t, bc, "setRecord", stackitem.Null{}, "neo.com", int64(native.RecordTypeCNAME), "nspcc.ru")
testNameServiceInvoke(t, bc, "setRecord", stackitem.Null{}, "neo.com", int64(native.RecordTypeTXT), "sometext")