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Add features to soa parsing

This commit is contained in:
Miek Gieben 2012-02-15 09:04:09 +01:00
parent 697d67ea96
commit ef524d882a
3 changed files with 42 additions and 26 deletions
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9
parse_test.go
View File

@ -152,11 +152,18 @@ func TestDomainName(t *testing.T) {
}
}
func TestParseDirective(t *testing.T) {
func TestParseDirectiveMisc(t *testing.T) {
tests := map[string]string{
"$ORIGIN miek.nl.\na IN NS b": "a.miek.nl.\t3600\tIN\tNS\tb.miek.nl.",
"$TTL 2H\nmiek.nl. IN NS b.": "miek.nl.\t7200\tIN\tNS\tb.",
"miek.nl. 1D IN NS b.": "miek.nl.\t86400\tIN\tNS\tb.",
`name. IN SOA a6.nstld.com. hostmaster.nic.name. (
203362132 ; serial
5m ; refresh (5 minutes)
5m ; retry (5 minutes)
2w ; expire (2 weeks)
300 ; minimum (5 minutes)
)`: "name.\t3600\tIN\tSOA\ta6.nstld.com. hostmaster.nic.name. 203362132 300 300 1209600 300",
}
for i, o := range tests {
rr, e := NewRR(i)

11
zscan.go
View File

@ -256,7 +256,7 @@ func parseZone(r io.Reader, origin, f string, t chan Token, include int) {
t <- Token{Error: e}
return
}
if ttl, ok := stringToTtl(l, f, t); !ok {
if ttl, ok := stringToTtl(l, f); !ok {
t <- Token{Error: &ParseError{f, "Expecting $TTL value, not this...", l}}
return
} else {
@ -314,7 +314,8 @@ func parseZone(r io.Reader, origin, f string, t chan Token, include int) {
}
st = _EXPECT_ANY_NOCLASS_BL
case _STRING: // TTL is this case
if ttl, ok := stringToTtl(l, f, t); !ok {
if ttl, ok := stringToTtl(l, f); !ok {
t <- Token{Error: &ParseError{f, "Not a TTL", l}}
return
} else {
h.Ttl = ttl
@ -361,7 +362,8 @@ func parseZone(r io.Reader, origin, f string, t chan Token, include int) {
case _EXPECT_ANY_NOCLASS:
switch l.value {
case _STRING: // TTL
if ttl, ok := stringToTtl(l, f, t); !ok {
if ttl, ok := stringToTtl(l, f); !ok {
t <- Token{Error: &ParseError{f, "Not a TTL", l}}
return
} else {
h.Ttl = ttl
@ -707,7 +709,7 @@ func typeToInt(token string) (uint16, bool) {
return uint16(typ), true
}
func stringToTtl(l lex, f string, t chan Token) (uint32, bool) {
func stringToTtl(l lex, f string) (uint32, bool) {
s := uint32(0)
i := uint32(0)
for _, c := range l.token {
@ -731,7 +733,6 @@ func stringToTtl(l lex, f string, t chan Token) (uint32, bool) {
i *= 10
i += uint32(c) - '0'
default:
t <- Token{Error: &ParseError{f, "Not a TTL", l}}
return 0, false
}
}

24
zscan_rr.go
View File

@ -238,28 +238,36 @@ func setSOA(h RR_Header, c chan lex, o, f string) (RR, *ParseError) {
}
<-c // _BLANK
var j int
var e error
var v uint32
for i := 0; i < 5; i++ {
l = <-c
if j, e = strconv.Atoi(l.token); e != nil {
if j, e := strconv.Atoi(l.token); e != nil {
if i == 0 {
// Serial should be a number
return nil, &ParseError{f, "bad SOA zone parameter", l}
}
if v, ok = stringToTtl(l, f); !ok {
return nil, &ParseError{f, "bad SOA zone parameter", l}
}
} else {
v = uint32(j)
}
switch i {
case 0:
rr.Serial = uint32(j)
rr.Serial = v
<-c // _BLANK
case 1:
rr.Refresh = uint32(j)
rr.Refresh = v
<-c // _BLANK
case 2:
rr.Retry = uint32(j)
rr.Retry = v
<-c // _BLANK
case 3:
rr.Expire = uint32(j)
rr.Expire = v
<-c // _BLANK
case 4:
rr.Minttl = uint32(j)
rr.Minttl = v
}
}
return rr, nil