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2272 lines
50 KiB
2272 lines
50 KiB
package dns |
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import ( |
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"encoding/base64" |
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"net" |
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"strconv" |
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"strings" |
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) |
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|
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type parserFunc struct { |
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// Func defines the function that parses the tokens and returns the RR |
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// or an error. The last string contains any comments in the line as |
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// they returned by the lexer as well. |
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Func func(h RR_Header, c chan lex, origin string, file string) (RR, *ParseError, string) |
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// Signals if the RR ending is of variable length, like TXT or records |
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// that have Hexadecimal or Base64 as their last element in the Rdata. Records |
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// that have a fixed ending or for instance A, AAAA, SOA and etc. |
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Variable bool |
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} |
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// Parse the rdata of each rrtype. |
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// All data from the channel c is either zString or zBlank. |
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// After the rdata there may come a zBlank and then a zNewline |
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// or immediately a zNewline. If this is not the case we flag |
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// an *ParseError: garbage after rdata. |
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func setRR(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
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parserfunc, ok := typeToparserFunc[h.Rrtype] |
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if ok { |
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r, e, cm := parserfunc.Func(h, c, o, f) |
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if parserfunc.Variable { |
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return r, e, cm |
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} |
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if e != nil { |
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return nil, e, "" |
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} |
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e, cm = slurpRemainder(c, f) |
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if e != nil { |
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return nil, e, "" |
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} |
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return r, nil, cm |
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} |
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// RFC3957 RR (Unknown RR handling) |
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return setRFC3597(h, c, o, f) |
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} |
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// A remainder of the rdata with embedded spaces, return the parsed string (sans the spaces) |
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// or an error |
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func endingToString(c chan lex, errstr, f string) (string, *ParseError, string) { |
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s := "" |
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l := <-c // zString |
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for l.value != zNewline && l.value != zEOF { |
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if l.err { |
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return s, &ParseError{f, errstr, l}, "" |
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} |
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switch l.value { |
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case zString: |
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s += l.token |
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case zBlank: // Ok |
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default: |
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return "", &ParseError{f, errstr, l}, "" |
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} |
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l = <-c |
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} |
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return s, nil, l.comment |
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} |
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// A remainder of the rdata with embedded spaces, return the parsed string slice (sans the spaces) |
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// or an error |
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func endingToTxtSlice(c chan lex, errstr, f string) ([]string, *ParseError, string) { |
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// Get the remaining data until we see a zNewline |
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quote := false |
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l := <-c |
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var s []string |
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if l.err { |
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return s, &ParseError{f, errstr, l}, "" |
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} |
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switch l.value == zQuote { |
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case true: // A number of quoted string |
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s = make([]string, 0) |
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empty := true |
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for l.value != zNewline && l.value != zEOF { |
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if l.err { |
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return nil, &ParseError{f, errstr, l}, "" |
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} |
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switch l.value { |
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case zString: |
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empty = false |
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if len(l.token) > 255 { |
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// split up tokens that are larger than 255 into 255-chunks |
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sx := []string{} |
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p, i := 0, 255 |
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for { |
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if i <= len(l.token) { |
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sx = append(sx, l.token[p:i]) |
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} else { |
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sx = append(sx, l.token[p:]) |
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break |
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} |
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p, i = p+255, i+255 |
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} |
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s = append(s, sx...) |
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break |
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} |
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s = append(s, l.token) |
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case zBlank: |
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if quote { |
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// zBlank can only be seen in between txt parts. |
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return nil, &ParseError{f, errstr, l}, "" |
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} |
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case zQuote: |
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if empty && quote { |
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s = append(s, "") |
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} |
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quote = !quote |
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empty = true |
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default: |
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return nil, &ParseError{f, errstr, l}, "" |
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} |
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l = <-c |
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} |
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if quote { |
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return nil, &ParseError{f, errstr, l}, "" |
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} |
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case false: // Unquoted text record |
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s = make([]string, 1) |
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for l.value != zNewline && l.value != zEOF { |
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if l.err { |
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return s, &ParseError{f, errstr, l}, "" |
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} |
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s[0] += l.token |
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l = <-c |
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} |
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} |
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return s, nil, l.comment |
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} |
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func setA(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
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rr := new(A) |
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rr.Hdr = h |
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l := <-c |
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if l.length == 0 { // Dynamic updates. |
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return rr, nil, "" |
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} |
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rr.A = net.ParseIP(l.token) |
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if rr.A == nil { |
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return nil, &ParseError{f, "bad A A", l}, "" |
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} |
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return rr, nil, "" |
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} |
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func setAAAA(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
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rr := new(AAAA) |
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rr.Hdr = h |
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l := <-c |
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if l.length == 0 { |
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return rr, nil, "" |
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} |
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rr.AAAA = net.ParseIP(l.token) |
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if rr.AAAA == nil { |
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return nil, &ParseError{f, "bad AAAA AAAA", l}, "" |
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} |
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return rr, nil, "" |
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} |
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func setNS(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
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rr := new(NS) |
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rr.Hdr = h |
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l := <-c |
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rr.Ns = l.token |
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if l.length == 0 { |
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return rr, nil, "" |
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} |
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if l.token == "@" { |
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rr.Ns = o |
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return rr, nil, "" |
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} |
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_, ok := IsDomainName(l.token) |
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if !ok { |
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return nil, &ParseError{f, "bad NS Ns", l}, "" |
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} |
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if rr.Ns[l.length-1] != '.' { |
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rr.Ns = appendOrigin(rr.Ns, o) |
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} |
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return rr, nil, "" |
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} |
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func setPTR(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
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rr := new(PTR) |
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rr.Hdr = h |
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l := <-c |
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rr.Ptr = l.token |
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if l.length == 0 { // dynamic update rr. |
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return rr, nil, "" |
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} |
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if l.token == "@" { |
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rr.Ptr = o |
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return rr, nil, "" |
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} |
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_, ok := IsDomainName(l.token) |
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if !ok { |
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return nil, &ParseError{f, "bad PTR Ptr", l}, "" |
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} |
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if rr.Ptr[l.length-1] != '.' { |
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rr.Ptr = appendOrigin(rr.Ptr, o) |
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} |
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return rr, nil, "" |
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} |
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func setNSAPPTR(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
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rr := new(NSAPPTR) |
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rr.Hdr = h |
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l := <-c |
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rr.Ptr = l.token |
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if l.length == 0 { |
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return rr, nil, "" |
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} |
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if l.token == "@" { |
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rr.Ptr = o |
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return rr, nil, "" |
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} |
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_, ok := IsDomainName(l.token) |
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if !ok { |
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return nil, &ParseError{f, "bad NSAP-PTR Ptr", l}, "" |
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} |
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if rr.Ptr[l.length-1] != '.' { |
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rr.Ptr = appendOrigin(rr.Ptr, o) |
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} |
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return rr, nil, "" |
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} |
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func setRP(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
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rr := new(RP) |
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rr.Hdr = h |
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l := <-c |
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rr.Mbox = l.token |
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if l.length == 0 { |
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return rr, nil, "" |
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} |
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if l.token == "@" { |
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rr.Mbox = o |
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} else { |
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_, ok := IsDomainName(l.token) |
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if !ok { |
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return nil, &ParseError{f, "bad RP Mbox", l}, "" |
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} |
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if rr.Mbox[l.length-1] != '.' { |
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rr.Mbox = appendOrigin(rr.Mbox, o) |
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} |
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} |
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<-c // zBlank |
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l = <-c |
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rr.Txt = l.token |
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if l.token == "@" { |
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rr.Txt = o |
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return rr, nil, "" |
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} |
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_, ok := IsDomainName(l.token) |
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if !ok { |
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return nil, &ParseError{f, "bad RP Txt", l}, "" |
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} |
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if rr.Txt[l.length-1] != '.' { |
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rr.Txt = appendOrigin(rr.Txt, o) |
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} |
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return rr, nil, "" |
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} |
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func setMR(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
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rr := new(MR) |
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rr.Hdr = h |
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l := <-c |
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rr.Mr = l.token |
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if l.length == 0 { |
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return rr, nil, "" |
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} |
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if l.token == "@" { |
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rr.Mr = o |
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return rr, nil, "" |
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} |
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_, ok := IsDomainName(l.token) |
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if !ok { |
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return nil, &ParseError{f, "bad MR Mr", l}, "" |
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} |
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if rr.Mr[l.length-1] != '.' { |
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rr.Mr = appendOrigin(rr.Mr, o) |
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} |
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return rr, nil, "" |
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} |
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func setMB(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
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rr := new(MB) |
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rr.Hdr = h |
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l := <-c |
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rr.Mb = l.token |
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if l.length == 0 { |
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return rr, nil, "" |
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} |
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if l.token == "@" { |
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rr.Mb = o |
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return rr, nil, "" |
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} |
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_, ok := IsDomainName(l.token) |
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if !ok { |
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return nil, &ParseError{f, "bad MB Mb", l}, "" |
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} |
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if rr.Mb[l.length-1] != '.' { |
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rr.Mb = appendOrigin(rr.Mb, o) |
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} |
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return rr, nil, "" |
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} |
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func setMG(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
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rr := new(MG) |
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rr.Hdr = h |
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l := <-c |
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rr.Mg = l.token |
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if l.length == 0 { |
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return rr, nil, "" |
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} |
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if l.token == "@" { |
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rr.Mg = o |
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return rr, nil, "" |
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} |
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_, ok := IsDomainName(l.token) |
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if !ok { |
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return nil, &ParseError{f, "bad MG Mg", l}, "" |
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} |
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if rr.Mg[l.length-1] != '.' { |
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rr.Mg = appendOrigin(rr.Mg, o) |
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} |
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return rr, nil, "" |
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} |
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func setHINFO(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
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rr := new(HINFO) |
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rr.Hdr = h |
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chunks, e, c1 := endingToTxtSlice(c, "bad HINFO Fields", f) |
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if e != nil { |
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return nil, e, c1 |
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} |
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|
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if ln := len(chunks); ln == 0 { |
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return rr, nil, "" |
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} else if ln == 1 { |
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// Can we split it? |
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if out := strings.Fields(chunks[0]); len(out) > 1 { |
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chunks = out |
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} else { |
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chunks = append(chunks, "") |
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} |
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} |
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rr.Cpu = chunks[0] |
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rr.Os = strings.Join(chunks[1:], " ") |
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return rr, nil, "" |
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} |
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func setMINFO(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
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rr := new(MINFO) |
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rr.Hdr = h |
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|
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l := <-c |
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rr.Rmail = l.token |
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if l.length == 0 { |
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return rr, nil, "" |
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} |
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if l.token == "@" { |
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rr.Rmail = o |
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} else { |
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_, ok := IsDomainName(l.token) |
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if !ok { |
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return nil, &ParseError{f, "bad MINFO Rmail", l}, "" |
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} |
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if rr.Rmail[l.length-1] != '.' { |
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rr.Rmail = appendOrigin(rr.Rmail, o) |
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} |
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} |
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<-c // zBlank |
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l = <-c |
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rr.Email = l.token |
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if l.token == "@" { |
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rr.Email = o |
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return rr, nil, "" |
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} |
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_, ok := IsDomainName(l.token) |
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if !ok { |
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return nil, &ParseError{f, "bad MINFO Email", l}, "" |
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} |
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if rr.Email[l.length-1] != '.' { |
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rr.Email = appendOrigin(rr.Email, o) |
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} |
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return rr, nil, "" |
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} |
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|
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func setMF(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
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rr := new(MF) |
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rr.Hdr = h |
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|
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l := <-c |
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rr.Mf = l.token |
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if l.length == 0 { |
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return rr, nil, "" |
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} |
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if l.token == "@" { |
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rr.Mf = o |
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return rr, nil, "" |
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} |
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_, ok := IsDomainName(l.token) |
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if !ok { |
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return nil, &ParseError{f, "bad MF Mf", l}, "" |
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} |
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if rr.Mf[l.length-1] != '.' { |
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rr.Mf = appendOrigin(rr.Mf, o) |
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} |
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return rr, nil, "" |
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} |
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|
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func setMD(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
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rr := new(MD) |
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rr.Hdr = h |
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|
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l := <-c |
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rr.Md = l.token |
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if l.length == 0 { |
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return rr, nil, "" |
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} |
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if l.token == "@" { |
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rr.Md = o |
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return rr, nil, "" |
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} |
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_, ok := IsDomainName(l.token) |
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if !ok { |
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return nil, &ParseError{f, "bad MD Md", l}, "" |
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} |
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if rr.Md[l.length-1] != '.' { |
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rr.Md = appendOrigin(rr.Md, o) |
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} |
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return rr, nil, "" |
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} |
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|
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func setMX(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
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rr := new(MX) |
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rr.Hdr = h |
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|
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l := <-c |
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if l.length == 0 { |
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return rr, nil, "" |
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} |
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i, e := strconv.Atoi(l.token) |
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if e != nil { |
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return nil, &ParseError{f, "bad MX Pref", l}, "" |
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} |
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rr.Preference = uint16(i) |
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<-c // zBlank |
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l = <-c // zString |
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rr.Mx = l.token |
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if l.token == "@" { |
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rr.Mx = o |
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return rr, nil, "" |
|
} |
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_, ok := IsDomainName(l.token) |
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if !ok || l.length == 0 { |
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return nil, &ParseError{f, "bad MX Mx", l}, "" |
|
} |
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if rr.Mx[l.length-1] != '.' { |
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rr.Mx = appendOrigin(rr.Mx, o) |
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} |
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return rr, nil, "" |
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} |
|
|
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func setRT(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
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rr := new(RT) |
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rr.Hdr = h |
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l := <-c |
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if l.length == 0 { |
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return rr, nil, "" |
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} |
|
i, e := strconv.Atoi(l.token) |
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if e != nil { |
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return nil, &ParseError{f, "bad RT Preference", l}, "" |
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} |
|
rr.Preference = uint16(i) |
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<-c // zBlank |
|
l = <-c // zString |
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rr.Host = l.token |
|
if l.token == "@" { |
|
rr.Host = o |
|
return rr, nil, "" |
|
} |
|
_, ok := IsDomainName(l.token) |
|
if !ok || l.length == 0 { |
|
return nil, &ParseError{f, "bad RT Host", l}, "" |
|
} |
|
if rr.Host[l.length-1] != '.' { |
|
rr.Host = appendOrigin(rr.Host, o) |
|
} |
|
return rr, nil, "" |
|
} |
|
|
|
func setAFSDB(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
|
rr := new(AFSDB) |
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rr.Hdr = h |
|
|
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l := <-c |
|
if l.length == 0 { |
|
return rr, nil, "" |
|
} |
|
i, e := strconv.Atoi(l.token) |
|
if e != nil { |
|
return nil, &ParseError{f, "bad AFSDB Subtype", l}, "" |
|
} |
|
rr.Subtype = uint16(i) |
|
<-c // zBlank |
|
l = <-c // zString |
|
rr.Hostname = l.token |
|
if l.token == "@" { |
|
rr.Hostname = o |
|
return rr, nil, "" |
|
} |
|
_, ok := IsDomainName(l.token) |
|
if !ok || l.length == 0 { |
|
return nil, &ParseError{f, "bad AFSDB Hostname", l}, "" |
|
} |
|
if rr.Hostname[l.length-1] != '.' { |
|
rr.Hostname = appendOrigin(rr.Hostname, o) |
|
} |
|
return rr, nil, "" |
|
} |
|
|
|
func setX25(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
|
rr := new(X25) |
|
rr.Hdr = h |
|
|
|
l := <-c |
|
rr.PSDNAddress = l.token |
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return rr, nil, "" |
|
} |
|
|
|
func setKX(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
|
rr := new(KX) |
|
rr.Hdr = h |
|
|
|
l := <-c |
|
if l.length == 0 { |
|
return rr, nil, "" |
|
} |
|
i, e := strconv.Atoi(l.token) |
|
if e != nil { |
|
return nil, &ParseError{f, "bad KX Pref", l}, "" |
|
} |
|
rr.Preference = uint16(i) |
|
<-c // zBlank |
|
l = <-c // zString |
|
rr.Exchanger = l.token |
|
if l.token == "@" { |
|
rr.Exchanger = o |
|
return rr, nil, "" |
|
} |
|
_, ok := IsDomainName(l.token) |
|
if !ok || l.length == 0 { |
|
return nil, &ParseError{f, "bad KX Exchanger", l}, "" |
|
} |
|
if rr.Exchanger[l.length-1] != '.' { |
|
rr.Exchanger = appendOrigin(rr.Exchanger, o) |
|
} |
|
return rr, nil, "" |
|
} |
|
|
|
func setCNAME(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
|
rr := new(CNAME) |
|
rr.Hdr = h |
|
|
|
l := <-c |
|
rr.Target = l.token |
|
if l.length == 0 { |
|
return rr, nil, "" |
|
} |
|
if l.token == "@" { |
|
rr.Target = o |
|
return rr, nil, "" |
|
} |
|
_, ok := IsDomainName(l.token) |
|
if !ok || l.length == 0 { |
|
return nil, &ParseError{f, "bad CNAME Target", l}, "" |
|
} |
|
if rr.Target[l.length-1] != '.' { |
|
rr.Target = appendOrigin(rr.Target, o) |
|
} |
|
return rr, nil, "" |
|
} |
|
|
|
func setDNAME(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
|
rr := new(DNAME) |
|
rr.Hdr = h |
|
|
|
l := <-c |
|
rr.Target = l.token |
|
if l.length == 0 { |
|
return rr, nil, "" |
|
} |
|
if l.token == "@" { |
|
rr.Target = o |
|
return rr, nil, "" |
|
} |
|
_, ok := IsDomainName(l.token) |
|
if !ok { |
|
return nil, &ParseError{f, "bad CNAME Target", l}, "" |
|
} |
|
if rr.Target[l.length-1] != '.' { |
|
rr.Target = appendOrigin(rr.Target, o) |
|
} |
|
return rr, nil, "" |
|
} |
|
|
|
func setSOA(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
|
rr := new(SOA) |
|
rr.Hdr = h |
|
|
|
l := <-c |
|
rr.Ns = l.token |
|
if l.length == 0 { |
|
return rr, nil, "" |
|
} |
|
<-c // zBlank |
|
if l.token == "@" { |
|
rr.Ns = o |
|
} else { |
|
_, ok := IsDomainName(l.token) |
|
if !ok { |
|
return nil, &ParseError{f, "bad SOA Ns", l}, "" |
|
} |
|
if rr.Ns[l.length-1] != '.' { |
|
rr.Ns = appendOrigin(rr.Ns, o) |
|
} |
|
} |
|
|
|
l = <-c |
|
rr.Mbox = l.token |
|
if l.token == "@" { |
|
rr.Mbox = o |
|
} else { |
|
_, ok := IsDomainName(l.token) |
|
if !ok || l.length == 0 { |
|
return nil, &ParseError{f, "bad SOA Mbox", l}, "" |
|
} |
|
if rr.Mbox[l.length-1] != '.' { |
|
rr.Mbox = appendOrigin(rr.Mbox, o) |
|
} |
|
} |
|
<-c // zBlank |
|
|
|
var ( |
|
v uint32 |
|
ok bool |
|
) |
|
for i := 0; i < 5; i++ { |
|
l = <-c |
|
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.token); !ok { |
|
return nil, &ParseError{f, "bad SOA zone parameter", l}, "" |
|
|
|
} |
|
} else { |
|
v = uint32(j) |
|
} |
|
switch i { |
|
case 0: |
|
rr.Serial = v |
|
<-c // zBlank |
|
case 1: |
|
rr.Refresh = v |
|
<-c // zBlank |
|
case 2: |
|
rr.Retry = v |
|
<-c // zBlank |
|
case 3: |
|
rr.Expire = v |
|
<-c // zBlank |
|
case 4: |
|
rr.Minttl = v |
|
} |
|
} |
|
return rr, nil, "" |
|
} |
|
|
|
func setSRV(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
|
rr := new(SRV) |
|
rr.Hdr = h |
|
|
|
l := <-c |
|
if l.length == 0 { |
|
return rr, nil, "" |
|
} |
|
i, e := strconv.Atoi(l.token) |
|
if e != nil { |
|
return nil, &ParseError{f, "bad SRV Priority", l}, "" |
|
} |
|
rr.Priority = uint16(i) |
|
<-c // zBlank |
|
l = <-c // zString |
|
i, e = strconv.Atoi(l.token) |
|
if e != nil { |
|
return nil, &ParseError{f, "bad SRV Weight", l}, "" |
|
} |
|
rr.Weight = uint16(i) |
|
<-c // zBlank |
|
l = <-c // zString |
|
i, e = strconv.Atoi(l.token) |
|
if e != nil { |
|
return nil, &ParseError{f, "bad SRV Port", l}, "" |
|
} |
|
rr.Port = uint16(i) |
|
<-c // zBlank |
|
l = <-c // zString |
|
rr.Target = l.token |
|
if l.token == "@" { |
|
rr.Target = o |
|
return rr, nil, "" |
|
} |
|
_, ok := IsDomainName(l.token) |
|
if !ok || l.length == 0 { |
|
return nil, &ParseError{f, "bad SRV Target", l}, "" |
|
} |
|
if rr.Target[l.length-1] != '.' { |
|
rr.Target = appendOrigin(rr.Target, o) |
|
} |
|
return rr, nil, "" |
|
} |
|
|
|
func setNAPTR(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
|
rr := new(NAPTR) |
|
rr.Hdr = h |
|
|
|
l := <-c |
|
if l.length == 0 { |
|
return rr, nil, "" |
|
} |
|
i, e := strconv.Atoi(l.token) |
|
if e != nil { |
|
return nil, &ParseError{f, "bad NAPTR Order", l}, "" |
|
} |
|
rr.Order = uint16(i) |
|
<-c // zBlank |
|
l = <-c // zString |
|
i, e = strconv.Atoi(l.token) |
|
if e != nil { |
|
return nil, &ParseError{f, "bad NAPTR Preference", l}, "" |
|
} |
|
rr.Preference = uint16(i) |
|
// Flags |
|
<-c // zBlank |
|
l = <-c // _QUOTE |
|
if l.value != zQuote { |
|
return nil, &ParseError{f, "bad NAPTR Flags", l}, "" |
|
} |
|
l = <-c // Either String or Quote |
|
if l.value == zString { |
|
rr.Flags = l.token |
|
l = <-c // _QUOTE |
|
if l.value != zQuote { |
|
return nil, &ParseError{f, "bad NAPTR Flags", l}, "" |
|
} |
|
} else if l.value == zQuote { |
|
rr.Flags = "" |
|
} else { |
|
return nil, &ParseError{f, "bad NAPTR Flags", l}, "" |
|
} |
|
|
|
// Service |
|
<-c // zBlank |
|
l = <-c // _QUOTE |
|
if l.value != zQuote { |
|
return nil, &ParseError{f, "bad NAPTR Service", l}, "" |
|
} |
|
l = <-c // Either String or Quote |
|
if l.value == zString { |
|
rr.Service = l.token |
|
l = <-c // _QUOTE |
|
if l.value != zQuote { |
|
return nil, &ParseError{f, "bad NAPTR Service", l}, "" |
|
} |
|
} else if l.value == zQuote { |
|
rr.Service = "" |
|
} else { |
|
return nil, &ParseError{f, "bad NAPTR Service", l}, "" |
|
} |
|
|
|
// Regexp |
|
<-c // zBlank |
|
l = <-c // _QUOTE |
|
if l.value != zQuote { |
|
return nil, &ParseError{f, "bad NAPTR Regexp", l}, "" |
|
} |
|
l = <-c // Either String or Quote |
|
if l.value == zString { |
|
rr.Regexp = l.token |
|
l = <-c // _QUOTE |
|
if l.value != zQuote { |
|
return nil, &ParseError{f, "bad NAPTR Regexp", l}, "" |
|
} |
|
} else if l.value == zQuote { |
|
rr.Regexp = "" |
|
} else { |
|
return nil, &ParseError{f, "bad NAPTR Regexp", l}, "" |
|
} |
|
// After quote no space?? |
|
<-c // zBlank |
|
l = <-c // zString |
|
rr.Replacement = l.token |
|
if l.token == "@" { |
|
rr.Replacement = o |
|
return rr, nil, "" |
|
} |
|
_, ok := IsDomainName(l.token) |
|
if !ok || l.length == 0 { |
|
return nil, &ParseError{f, "bad NAPTR Replacement", l}, "" |
|
} |
|
if rr.Replacement[l.length-1] != '.' { |
|
rr.Replacement = appendOrigin(rr.Replacement, o) |
|
} |
|
return rr, nil, "" |
|
} |
|
|
|
func setTALINK(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
|
rr := new(TALINK) |
|
rr.Hdr = h |
|
|
|
l := <-c |
|
rr.PreviousName = l.token |
|
if l.length == 0 { |
|
return rr, nil, "" |
|
} |
|
if l.token == "@" { |
|
rr.PreviousName = o |
|
} else { |
|
_, ok := IsDomainName(l.token) |
|
if !ok { |
|
return nil, &ParseError{f, "bad TALINK PreviousName", l}, "" |
|
} |
|
if rr.PreviousName[l.length-1] != '.' { |
|
rr.PreviousName = appendOrigin(rr.PreviousName, o) |
|
} |
|
} |
|
<-c // zBlank |
|
l = <-c |
|
rr.NextName = l.token |
|
if l.token == "@" { |
|
rr.NextName = o |
|
return rr, nil, "" |
|
} |
|
_, ok := IsDomainName(l.token) |
|
if !ok || l.length == 0 { |
|
return nil, &ParseError{f, "bad TALINK NextName", l}, "" |
|
} |
|
if rr.NextName[l.length-1] != '.' { |
|
rr.NextName = appendOrigin(rr.NextName, o) |
|
} |
|
return rr, nil, "" |
|
} |
|
|
|
func setLOC(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
|
rr := new(LOC) |
|
rr.Hdr = h |
|
// Non zero defaults for LOC record, see RFC 1876, Section 3. |
|
rr.HorizPre = 165 // 10000 |
|
rr.VertPre = 162 // 10 |
|
rr.Size = 18 // 1 |
|
ok := false |
|
// North |
|
l := <-c |
|
if l.length == 0 { |
|
return rr, nil, "" |
|
} |
|
if i, e := strconv.Atoi(l.token); e != nil { |
|
return nil, &ParseError{f, "bad LOC Latitude", l}, "" |
|
} else { |
|
rr.Latitude = 1000 * 60 * 60 * uint32(i) |
|
} |
|
<-c // zBlank |
|
// Either number, 'N' or 'S' |
|
l = <-c |
|
if rr.Latitude, ok = locCheckNorth(l.token, rr.Latitude); ok { |
|
goto East |
|
} |
|
if i, e := strconv.Atoi(l.token); e != nil { |
|
return nil, &ParseError{f, "bad LOC Latitude minutes", l}, "" |
|
} else { |
|
rr.Latitude += 1000 * 60 * uint32(i) |
|
} |
|
<-c // zBlank |
|
l = <-c |
|
if i, e := strconv.ParseFloat(l.token, 32); e != nil { |
|
return nil, &ParseError{f, "bad LOC Latitude seconds", l}, "" |
|
} else { |
|
rr.Latitude += uint32(1000 * i) |
|
} |
|
<-c // zBlank |
|
// Either number, 'N' or 'S' |
|
l = <-c |
|
if rr.Latitude, ok = locCheckNorth(l.token, rr.Latitude); ok { |
|
goto East |
|
} |
|
// If still alive, flag an error |
|
return nil, &ParseError{f, "bad LOC Latitude North/South", l}, "" |
|
|
|
East: |
|
// East |
|
<-c // zBlank |
|
l = <-c |
|
if i, e := strconv.Atoi(l.token); e != nil { |
|
return nil, &ParseError{f, "bad LOC Longitude", l}, "" |
|
} else { |
|
rr.Longitude = 1000 * 60 * 60 * uint32(i) |
|
} |
|
<-c // zBlank |
|
// Either number, 'E' or 'W' |
|
l = <-c |
|
if rr.Longitude, ok = locCheckEast(l.token, rr.Longitude); ok { |
|
goto Altitude |
|
} |
|
if i, e := strconv.Atoi(l.token); e != nil { |
|
return nil, &ParseError{f, "bad LOC Longitude minutes", l}, "" |
|
} else { |
|
rr.Longitude += 1000 * 60 * uint32(i) |
|
} |
|
<-c // zBlank |
|
l = <-c |
|
if i, e := strconv.ParseFloat(l.token, 32); e != nil { |
|
return nil, &ParseError{f, "bad LOC Longitude seconds", l}, "" |
|
} else { |
|
rr.Longitude += uint32(1000 * i) |
|
} |
|
<-c // zBlank |
|
// Either number, 'E' or 'W' |
|
l = <-c |
|
if rr.Longitude, ok = locCheckEast(l.token, rr.Longitude); ok { |
|
goto Altitude |
|
} |
|
// If still alive, flag an error |
|
return nil, &ParseError{f, "bad LOC Longitude East/West", l}, "" |
|
|
|
Altitude: |
|
<-c // zBlank |
|
l = <-c |
|
if l.token[len(l.token)-1] == 'M' || l.token[len(l.token)-1] == 'm' { |
|
l.token = l.token[0 : len(l.token)-1] |
|
} |
|
if i, e := strconv.ParseFloat(l.token, 32); e != nil { |
|
return nil, &ParseError{f, "bad LOC Altitude", l}, "" |
|
} else { |
|
rr.Altitude = uint32(i*100.0 + 10000000.0 + 0.5) |
|
} |
|
|
|
// And now optionally the other values |
|
l = <-c |
|
count := 0 |
|
for l.value != zNewline && l.value != zEOF { |
|
switch l.value { |
|
case zString: |
|
switch count { |
|
case 0: // Size |
|
e, m, ok := stringToCm(l.token) |
|
if !ok { |
|
return nil, &ParseError{f, "bad LOC Size", l}, "" |
|
} |
|
rr.Size = (e & 0x0f) | (m << 4 & 0xf0) |
|
case 1: // HorizPre |
|
e, m, ok := stringToCm(l.token) |
|
if !ok { |
|
return nil, &ParseError{f, "bad LOC HorizPre", l}, "" |
|
} |
|
rr.HorizPre = (e & 0x0f) | (m << 4 & 0xf0) |
|
case 2: // VertPre |
|
e, m, ok := stringToCm(l.token) |
|
if !ok { |
|
return nil, &ParseError{f, "bad LOC VertPre", l}, "" |
|
} |
|
rr.VertPre = (e & 0x0f) | (m << 4 & 0xf0) |
|
} |
|
count++ |
|
case zBlank: |
|
// Ok |
|
default: |
|
return nil, &ParseError{f, "bad LOC Size, HorizPre or VertPre", l}, "" |
|
} |
|
l = <-c |
|
} |
|
return rr, nil, "" |
|
} |
|
|
|
func setHIP(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
|
rr := new(HIP) |
|
rr.Hdr = h |
|
|
|
// HitLength is not represented |
|
l := <-c |
|
if l.length == 0 { |
|
return rr, nil, l.comment |
|
} |
|
i, e := strconv.Atoi(l.token) |
|
if e != nil { |
|
return nil, &ParseError{f, "bad HIP PublicKeyAlgorithm", l}, "" |
|
} |
|
rr.PublicKeyAlgorithm = uint8(i) |
|
<-c // zBlank |
|
l = <-c // zString |
|
rr.Hit = l.token // This can not contain spaces, see RFC 5205 Section 6. |
|
rr.HitLength = uint8(len(rr.Hit)) / 2 |
|
|
|
<-c // zBlank |
|
l = <-c // zString |
|
rr.PublicKey = l.token // This cannot contain spaces |
|
rr.PublicKeyLength = uint16(base64.StdEncoding.DecodedLen(len(rr.PublicKey))) |
|
|
|
// RendezvousServers (if any) |
|
l = <-c |
|
var xs []string |
|
for l.value != zNewline && l.value != zEOF { |
|
switch l.value { |
|
case zString: |
|
if l.token == "@" { |
|
xs = append(xs, o) |
|
continue |
|
} |
|
_, ok := IsDomainName(l.token) |
|
if !ok || l.length == 0 { |
|
return nil, &ParseError{f, "bad HIP RendezvousServers", l}, "" |
|
} |
|
if l.token[l.length-1] != '.' { |
|
l.token = appendOrigin(l.token, o) |
|
} |
|
xs = append(xs, l.token) |
|
case zBlank: |
|
// Ok |
|
default: |
|
return nil, &ParseError{f, "bad HIP RendezvousServers", l}, "" |
|
} |
|
l = <-c |
|
} |
|
rr.RendezvousServers = xs |
|
return rr, nil, l.comment |
|
} |
|
|
|
func setCERT(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
|
rr := new(CERT) |
|
rr.Hdr = h |
|
|
|
l := <-c |
|
if l.length == 0 { |
|
return rr, nil, l.comment |
|
} |
|
if v, ok := StringToCertType[l.token]; ok { |
|
rr.Type = v |
|
} else if i, e := strconv.Atoi(l.token); e != nil { |
|
return nil, &ParseError{f, "bad CERT Type", l}, "" |
|
} else { |
|
rr.Type = uint16(i) |
|
} |
|
<-c // zBlank |
|
l = <-c // zString |
|
i, e := strconv.Atoi(l.token) |
|
if e != nil { |
|
return nil, &ParseError{f, "bad CERT KeyTag", l}, "" |
|
} |
|
rr.KeyTag = uint16(i) |
|
<-c // zBlank |
|
l = <-c // zString |
|
if v, ok := StringToAlgorithm[l.token]; ok { |
|
rr.Algorithm = v |
|
} else if i, e := strconv.Atoi(l.token); e != nil { |
|
return nil, &ParseError{f, "bad CERT Algorithm", l}, "" |
|
} else { |
|
rr.Algorithm = uint8(i) |
|
} |
|
s, e1, c1 := endingToString(c, "bad CERT Certificate", f) |
|
if e1 != nil { |
|
return nil, e1, c1 |
|
} |
|
rr.Certificate = s |
|
return rr, nil, c1 |
|
} |
|
|
|
func setOPENPGPKEY(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
|
rr := new(OPENPGPKEY) |
|
rr.Hdr = h |
|
|
|
s, e, c1 := endingToString(c, "bad OPENPGPKEY PublicKey", f) |
|
if e != nil { |
|
return nil, e, c1 |
|
} |
|
rr.PublicKey = s |
|
return rr, nil, c1 |
|
} |
|
|
|
func setSIG(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
|
r, e, s := setRRSIG(h, c, o, f) |
|
if r != nil { |
|
return &SIG{*r.(*RRSIG)}, e, s |
|
} |
|
return nil, e, s |
|
} |
|
|
|
func setRRSIG(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
|
rr := new(RRSIG) |
|
rr.Hdr = h |
|
l := <-c |
|
if l.length == 0 { |
|
return rr, nil, l.comment |
|
} |
|
if t, ok := StringToType[l.tokenUpper]; !ok { |
|
if strings.HasPrefix(l.tokenUpper, "TYPE") { |
|
t, ok = typeToInt(l.tokenUpper) |
|
if !ok { |
|
return nil, &ParseError{f, "bad RRSIG Typecovered", l}, "" |
|
} |
|
rr.TypeCovered = t |
|
} else { |
|
return nil, &ParseError{f, "bad RRSIG Typecovered", l}, "" |
|
} |
|
} else { |
|
rr.TypeCovered = t |
|
} |
|
<-c // zBlank |
|
l = <-c |
|
i, err := strconv.Atoi(l.token) |
|
if err != nil { |
|
return nil, &ParseError{f, "bad RRSIG Algorithm", l}, "" |
|
} |
|
rr.Algorithm = uint8(i) |
|
<-c // zBlank |
|
l = <-c |
|
i, err = strconv.Atoi(l.token) |
|
if err != nil { |
|
return nil, &ParseError{f, "bad RRSIG Labels", l}, "" |
|
} |
|
rr.Labels = uint8(i) |
|
<-c // zBlank |
|
l = <-c |
|
i, err = strconv.Atoi(l.token) |
|
if err != nil { |
|
return nil, &ParseError{f, "bad RRSIG OrigTtl", l}, "" |
|
} |
|
rr.OrigTtl = uint32(i) |
|
<-c // zBlank |
|
l = <-c |
|
if i, err := StringToTime(l.token); err != nil { |
|
// Try to see if all numeric and use it as epoch |
|
if i, err := strconv.ParseInt(l.token, 10, 64); err == nil { |
|
// TODO(miek): error out on > MAX_UINT32, same below |
|
rr.Expiration = uint32(i) |
|
} else { |
|
return nil, &ParseError{f, "bad RRSIG Expiration", l}, "" |
|
} |
|
} else { |
|
rr.Expiration = i |
|
} |
|
<-c // zBlank |
|
l = <-c |
|
if i, err := StringToTime(l.token); err != nil { |
|
if i, err := strconv.ParseInt(l.token, 10, 64); err == nil { |
|
rr.Inception = uint32(i) |
|
} else { |
|
return nil, &ParseError{f, "bad RRSIG Inception", l}, "" |
|
} |
|
} else { |
|
rr.Inception = i |
|
} |
|
<-c // zBlank |
|
l = <-c |
|
i, err = strconv.Atoi(l.token) |
|
if err != nil { |
|
return nil, &ParseError{f, "bad RRSIG KeyTag", l}, "" |
|
} |
|
rr.KeyTag = uint16(i) |
|
<-c // zBlank |
|
l = <-c |
|
rr.SignerName = l.token |
|
if l.token == "@" { |
|
rr.SignerName = o |
|
} else { |
|
_, ok := IsDomainName(l.token) |
|
if !ok || l.length == 0 { |
|
return nil, &ParseError{f, "bad RRSIG SignerName", l}, "" |
|
} |
|
if rr.SignerName[l.length-1] != '.' { |
|
rr.SignerName = appendOrigin(rr.SignerName, o) |
|
} |
|
} |
|
s, e, c1 := endingToString(c, "bad RRSIG Signature", f) |
|
if e != nil { |
|
return nil, e, c1 |
|
} |
|
rr.Signature = s |
|
return rr, nil, c1 |
|
} |
|
|
|
func setNSEC(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
|
rr := new(NSEC) |
|
rr.Hdr = h |
|
|
|
l := <-c |
|
rr.NextDomain = l.token |
|
if l.length == 0 { |
|
return rr, nil, l.comment |
|
} |
|
if l.token == "@" { |
|
rr.NextDomain = o |
|
} else { |
|
_, ok := IsDomainName(l.token) |
|
if !ok { |
|
return nil, &ParseError{f, "bad NSEC NextDomain", l}, "" |
|
} |
|
if rr.NextDomain[l.length-1] != '.' { |
|
rr.NextDomain = appendOrigin(rr.NextDomain, o) |
|
} |
|
} |
|
|
|
rr.TypeBitMap = make([]uint16, 0) |
|
var ( |
|
k uint16 |
|
ok bool |
|
) |
|
l = <-c |
|
for l.value != zNewline && l.value != zEOF { |
|
switch l.value { |
|
case zBlank: |
|
// Ok |
|
case zString: |
|
if k, ok = StringToType[l.tokenUpper]; !ok { |
|
if k, ok = typeToInt(l.tokenUpper); !ok { |
|
return nil, &ParseError{f, "bad NSEC TypeBitMap", l}, "" |
|
} |
|
} |
|
rr.TypeBitMap = append(rr.TypeBitMap, k) |
|
default: |
|
return nil, &ParseError{f, "bad NSEC TypeBitMap", l}, "" |
|
} |
|
l = <-c |
|
} |
|
return rr, nil, l.comment |
|
} |
|
|
|
func setNSEC3(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
|
rr := new(NSEC3) |
|
rr.Hdr = h |
|
|
|
l := <-c |
|
if l.length == 0 { |
|
return rr, nil, l.comment |
|
} |
|
i, e := strconv.Atoi(l.token) |
|
if e != nil { |
|
return nil, &ParseError{f, "bad NSEC3 Hash", l}, "" |
|
} |
|
rr.Hash = uint8(i) |
|
<-c // zBlank |
|
l = <-c |
|
i, e = strconv.Atoi(l.token) |
|
if e != nil { |
|
return nil, &ParseError{f, "bad NSEC3 Flags", l}, "" |
|
} |
|
rr.Flags = uint8(i) |
|
<-c // zBlank |
|
l = <-c |
|
i, e = strconv.Atoi(l.token) |
|
if e != nil { |
|
return nil, &ParseError{f, "bad NSEC3 Iterations", l}, "" |
|
} |
|
rr.Iterations = uint16(i) |
|
<-c |
|
l = <-c |
|
if len(l.token) == 0 { |
|
return nil, &ParseError{f, "bad NSEC3 Salt", l}, "" |
|
} |
|
rr.SaltLength = uint8(len(l.token)) / 2 |
|
rr.Salt = l.token |
|
|
|
<-c |
|
l = <-c |
|
rr.HashLength = 20 // Fix for NSEC3 (sha1 160 bits) |
|
rr.NextDomain = l.token |
|
|
|
rr.TypeBitMap = make([]uint16, 0) |
|
var ( |
|
k uint16 |
|
ok bool |
|
) |
|
l = <-c |
|
for l.value != zNewline && l.value != zEOF { |
|
switch l.value { |
|
case zBlank: |
|
// Ok |
|
case zString: |
|
if k, ok = StringToType[l.tokenUpper]; !ok { |
|
if k, ok = typeToInt(l.tokenUpper); !ok { |
|
return nil, &ParseError{f, "bad NSEC3 TypeBitMap", l}, "" |
|
} |
|
} |
|
rr.TypeBitMap = append(rr.TypeBitMap, k) |
|
default: |
|
return nil, &ParseError{f, "bad NSEC3 TypeBitMap", l}, "" |
|
} |
|
l = <-c |
|
} |
|
return rr, nil, l.comment |
|
} |
|
|
|
func setNSEC3PARAM(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
|
rr := new(NSEC3PARAM) |
|
rr.Hdr = h |
|
|
|
l := <-c |
|
if l.length == 0 { |
|
return rr, nil, "" |
|
} |
|
i, e := strconv.Atoi(l.token) |
|
if e != nil { |
|
return nil, &ParseError{f, "bad NSEC3PARAM Hash", l}, "" |
|
} |
|
rr.Hash = uint8(i) |
|
<-c // zBlank |
|
l = <-c |
|
i, e = strconv.Atoi(l.token) |
|
if e != nil { |
|
return nil, &ParseError{f, "bad NSEC3PARAM Flags", l}, "" |
|
} |
|
rr.Flags = uint8(i) |
|
<-c // zBlank |
|
l = <-c |
|
i, e = strconv.Atoi(l.token) |
|
if e != nil { |
|
return nil, &ParseError{f, "bad NSEC3PARAM Iterations", l}, "" |
|
} |
|
rr.Iterations = uint16(i) |
|
<-c |
|
l = <-c |
|
rr.SaltLength = uint8(len(l.token)) |
|
rr.Salt = l.token |
|
return rr, nil, "" |
|
} |
|
|
|
func setEUI48(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
|
rr := new(EUI48) |
|
rr.Hdr = h |
|
|
|
l := <-c |
|
if l.length == 0 { |
|
return rr, nil, "" |
|
} |
|
if l.length != 17 { |
|
return nil, &ParseError{f, "bad EUI48 Address", l}, "" |
|
} |
|
addr := make([]byte, 12) |
|
dash := 0 |
|
for i := 0; i < 10; i += 2 { |
|
addr[i] = l.token[i+dash] |
|
addr[i+1] = l.token[i+1+dash] |
|
dash++ |
|
if l.token[i+1+dash] != '-' { |
|
return nil, &ParseError{f, "bad EUI48 Address", l}, "" |
|
} |
|
} |
|
addr[10] = l.token[15] |
|
addr[11] = l.token[16] |
|
|
|
i, e := strconv.ParseUint(string(addr), 16, 48) |
|
if e != nil { |
|
return nil, &ParseError{f, "bad EUI48 Address", l}, "" |
|
} |
|
rr.Address = i |
|
return rr, nil, "" |
|
} |
|
|
|
func setEUI64(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
|
rr := new(EUI64) |
|
rr.Hdr = h |
|
|
|
l := <-c |
|
if l.length == 0 { |
|
return rr, nil, "" |
|
} |
|
if l.length != 23 { |
|
return nil, &ParseError{f, "bad EUI64 Address", l}, "" |
|
} |
|
addr := make([]byte, 16) |
|
dash := 0 |
|
for i := 0; i < 14; i += 2 { |
|
addr[i] = l.token[i+dash] |
|
addr[i+1] = l.token[i+1+dash] |
|
dash++ |
|
if l.token[i+1+dash] != '-' { |
|
return nil, &ParseError{f, "bad EUI64 Address", l}, "" |
|
} |
|
} |
|
addr[14] = l.token[21] |
|
addr[15] = l.token[22] |
|
|
|
i, e := strconv.ParseUint(string(addr), 16, 64) |
|
if e != nil { |
|
return nil, &ParseError{f, "bad EUI68 Address", l}, "" |
|
} |
|
rr.Address = uint64(i) |
|
return rr, nil, "" |
|
} |
|
|
|
func setWKS(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
|
rr := new(WKS) |
|
rr.Hdr = h |
|
|
|
l := <-c |
|
if l.length == 0 { |
|
return rr, nil, l.comment |
|
} |
|
rr.Address = net.ParseIP(l.token) |
|
if rr.Address == nil { |
|
return nil, &ParseError{f, "bad WKS Address", l}, "" |
|
} |
|
|
|
<-c // zBlank |
|
l = <-c |
|
proto := "tcp" |
|
i, e := strconv.Atoi(l.token) |
|
if e != nil { |
|
return nil, &ParseError{f, "bad WKS Protocol", l}, "" |
|
} |
|
rr.Protocol = uint8(i) |
|
switch rr.Protocol { |
|
case 17: |
|
proto = "udp" |
|
case 6: |
|
proto = "tcp" |
|
default: |
|
return nil, &ParseError{f, "bad WKS Protocol", l}, "" |
|
} |
|
|
|
<-c |
|
l = <-c |
|
rr.BitMap = make([]uint16, 0) |
|
var ( |
|
k int |
|
err error |
|
) |
|
for l.value != zNewline && l.value != zEOF { |
|
switch l.value { |
|
case zBlank: |
|
// Ok |
|
case zString: |
|
if k, err = net.LookupPort(proto, l.token); err != nil { |
|
if i, e := strconv.Atoi(l.token); e != nil { // If a number use that |
|
return nil, &ParseError{f, "bad WKS BitMap", l}, "" |
|
} else { |
|
rr.BitMap = append(rr.BitMap, uint16(i)) |
|
} |
|
} |
|
rr.BitMap = append(rr.BitMap, uint16(k)) |
|
default: |
|
return nil, &ParseError{f, "bad WKS BitMap", l}, "" |
|
} |
|
l = <-c |
|
} |
|
return rr, nil, l.comment |
|
} |
|
|
|
func setSSHFP(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
|
rr := new(SSHFP) |
|
rr.Hdr = h |
|
|
|
l := <-c |
|
if l.length == 0 { |
|
return rr, nil, "" |
|
} |
|
i, e := strconv.Atoi(l.token) |
|
if e != nil { |
|
return nil, &ParseError{f, "bad SSHFP Algorithm", l}, "" |
|
} |
|
rr.Algorithm = uint8(i) |
|
<-c // zBlank |
|
l = <-c |
|
i, e = strconv.Atoi(l.token) |
|
if e != nil { |
|
return nil, &ParseError{f, "bad SSHFP Type", l}, "" |
|
} |
|
rr.Type = uint8(i) |
|
<-c // zBlank |
|
s, e1, c1 := endingToString(c, "bad SSHFP Fingerprint", f) |
|
if e1 != nil { |
|
return nil, e1, c1 |
|
} |
|
rr.FingerPrint = s |
|
return rr, nil, "" |
|
} |
|
|
|
func setDNSKEYs(h RR_Header, c chan lex, o, f, typ string) (RR, *ParseError, string) { |
|
rr := new(DNSKEY) |
|
rr.Hdr = h |
|
|
|
l := <-c |
|
if l.length == 0 { |
|
return rr, nil, l.comment |
|
} |
|
i, e := strconv.Atoi(l.token) |
|
if e != nil { |
|
return nil, &ParseError{f, "bad " + typ + " Flags", l}, "" |
|
} |
|
rr.Flags = uint16(i) |
|
<-c // zBlank |
|
l = <-c // zString |
|
i, e = strconv.Atoi(l.token) |
|
if e != nil { |
|
return nil, &ParseError{f, "bad " + typ + " Protocol", l}, "" |
|
} |
|
rr.Protocol = uint8(i) |
|
<-c // zBlank |
|
l = <-c // zString |
|
i, e = strconv.Atoi(l.token) |
|
if e != nil { |
|
return nil, &ParseError{f, "bad " + typ + " Algorithm", l}, "" |
|
} |
|
rr.Algorithm = uint8(i) |
|
s, e1, c1 := endingToString(c, "bad "+typ+" PublicKey", f) |
|
if e1 != nil { |
|
return nil, e1, c1 |
|
} |
|
rr.PublicKey = s |
|
return rr, nil, c1 |
|
} |
|
|
|
func setKEY(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
|
r, e, s := setDNSKEYs(h, c, o, f, "KEY") |
|
if r != nil { |
|
return &KEY{*r.(*DNSKEY)}, e, s |
|
} |
|
return nil, e, s |
|
} |
|
|
|
func setDNSKEY(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
|
r, e, s := setDNSKEYs(h, c, o, f, "DNSKEY") |
|
return r, e, s |
|
} |
|
|
|
func setCDNSKEY(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
|
r, e, s := setDNSKEYs(h, c, o, f, "CDNSKEY") |
|
if r != nil { |
|
return &CDNSKEY{*r.(*DNSKEY)}, e, s |
|
} |
|
return nil, e, s |
|
} |
|
|
|
func setRKEY(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
|
rr := new(RKEY) |
|
rr.Hdr = h |
|
|
|
l := <-c |
|
if l.length == 0 { |
|
return rr, nil, l.comment |
|
} |
|
i, e := strconv.Atoi(l.token) |
|
if e != nil { |
|
return nil, &ParseError{f, "bad RKEY Flags", l}, "" |
|
} |
|
rr.Flags = uint16(i) |
|
<-c // zBlank |
|
l = <-c // zString |
|
i, e = strconv.Atoi(l.token) |
|
if e != nil { |
|
return nil, &ParseError{f, "bad RKEY Protocol", l}, "" |
|
} |
|
rr.Protocol = uint8(i) |
|
<-c // zBlank |
|
l = <-c // zString |
|
i, e = strconv.Atoi(l.token) |
|
if e != nil { |
|
return nil, &ParseError{f, "bad RKEY Algorithm", l}, "" |
|
} |
|
rr.Algorithm = uint8(i) |
|
s, e1, c1 := endingToString(c, "bad RKEY PublicKey", f) |
|
if e1 != nil { |
|
return nil, e1, c1 |
|
} |
|
rr.PublicKey = s |
|
return rr, nil, c1 |
|
} |
|
|
|
func setEID(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
|
rr := new(EID) |
|
rr.Hdr = h |
|
s, e, c1 := endingToString(c, "bad EID Endpoint", f) |
|
if e != nil { |
|
return nil, e, c1 |
|
} |
|
rr.Endpoint = s |
|
return rr, nil, c1 |
|
} |
|
|
|
func setNIMLOC(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
|
rr := new(NIMLOC) |
|
rr.Hdr = h |
|
s, e, c1 := endingToString(c, "bad NIMLOC Locator", f) |
|
if e != nil { |
|
return nil, e, c1 |
|
} |
|
rr.Locator = s |
|
return rr, nil, c1 |
|
} |
|
|
|
func setNSAP(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
|
rr := new(NSAP) |
|
rr.Hdr = h |
|
chunks, e1, c1 := endingToTxtSlice(c, "bad NSAP Nsap", f) |
|
if e1 != nil { |
|
return nil, e1, c1 |
|
} |
|
// data would come as one string or multiple... Just to ignore possible |
|
// variety let's merge things back together and split to actual "words" |
|
s := strings.Fields(strings.Join(chunks, " ")) |
|
if len(s) == 0 { |
|
return rr, nil, c1 |
|
} |
|
if len(s[0]) >= 2 && s[0][0:2] == "0x" || s[0][0:2] == "0X" { |
|
// although RFC only suggests 0x there is no clarification that X is not allowed |
|
rr.Nsap = strings.Join(s, "")[2:] |
|
} else { |
|
// since we do not know what to do with this data, and, we would not use original length |
|
// in formatting, it's moot to check correctness of the length |
|
_, err := strconv.Atoi(s[0]) |
|
if err != nil { |
|
return nil, &ParseError{f, "bad NSAP Length", lex{token: s[0]}}, "" |
|
} |
|
rr.Nsap = strings.Join(s[1:], "") |
|
} |
|
return rr, nil, c1 |
|
} |
|
|
|
func setGPOS(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
|
rr := new(GPOS) |
|
rr.Hdr = h |
|
l := <-c |
|
if l.length == 0 { |
|
return rr, nil, "" |
|
} |
|
_, e := strconv.ParseFloat(l.token, 64) |
|
if e != nil { |
|
return nil, &ParseError{f, "bad GPOS Longitude", l}, "" |
|
} |
|
rr.Longitude = l.token |
|
<-c // zBlank |
|
l = <-c |
|
_, e = strconv.ParseFloat(l.token, 64) |
|
if e != nil { |
|
return nil, &ParseError{f, "bad GPOS Latitude", l}, "" |
|
} |
|
rr.Latitude = l.token |
|
<-c // zBlank |
|
l = <-c |
|
_, e = strconv.ParseFloat(l.token, 64) |
|
if e != nil { |
|
return nil, &ParseError{f, "bad GPOS Altitude", l}, "" |
|
} |
|
rr.Altitude = l.token |
|
return rr, nil, "" |
|
} |
|
|
|
func setDSs(h RR_Header, c chan lex, o, f, typ string) (RR, *ParseError, string) { |
|
rr := new(DS) |
|
rr.Hdr = h |
|
l := <-c |
|
if l.length == 0 { |
|
return rr, nil, l.comment |
|
} |
|
i, e := strconv.Atoi(l.token) |
|
if e != nil { |
|
return nil, &ParseError{f, "bad " + typ + " KeyTag", l}, "" |
|
} |
|
rr.KeyTag = uint16(i) |
|
<-c // zBlank |
|
l = <-c |
|
if i, e := strconv.Atoi(l.token); e != nil { |
|
i, ok := StringToAlgorithm[l.tokenUpper] |
|
if !ok { |
|
return nil, &ParseError{f, "bad " + typ + " Algorithm", l}, "" |
|
} |
|
rr.Algorithm = i |
|
} else { |
|
rr.Algorithm = uint8(i) |
|
} |
|
<-c // zBlank |
|
l = <-c |
|
i, e = strconv.Atoi(l.token) |
|
if e != nil { |
|
return nil, &ParseError{f, "bad " + typ + " DigestType", l}, "" |
|
} |
|
rr.DigestType = uint8(i) |
|
s, e1, c1 := endingToString(c, "bad "+typ+" Digest", f) |
|
if e1 != nil { |
|
return nil, e1, c1 |
|
} |
|
rr.Digest = s |
|
return rr, nil, c1 |
|
} |
|
|
|
func setDS(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
|
r, e, s := setDSs(h, c, o, f, "DS") |
|
return r, e, s |
|
} |
|
|
|
func setDLV(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
|
r, e, s := setDSs(h, c, o, f, "DLV") |
|
if r != nil { |
|
return &DLV{*r.(*DS)}, e, s |
|
} |
|
return nil, e, s |
|
} |
|
|
|
func setCDS(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
|
r, e, s := setDSs(h, c, o, f, "CDS") |
|
if r != nil { |
|
return &CDS{*r.(*DS)}, e, s |
|
} |
|
return nil, e, s |
|
} |
|
|
|
func setTA(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
|
rr := new(TA) |
|
rr.Hdr = h |
|
l := <-c |
|
if l.length == 0 { |
|
return rr, nil, l.comment |
|
} |
|
i, e := strconv.Atoi(l.token) |
|
if e != nil { |
|
return nil, &ParseError{f, "bad TA KeyTag", l}, "" |
|
} |
|
rr.KeyTag = uint16(i) |
|
<-c // zBlank |
|
l = <-c |
|
if i, e := strconv.Atoi(l.token); e != nil { |
|
i, ok := StringToAlgorithm[l.tokenUpper] |
|
if !ok { |
|
return nil, &ParseError{f, "bad TA Algorithm", l}, "" |
|
} |
|
rr.Algorithm = i |
|
} else { |
|
rr.Algorithm = uint8(i) |
|
} |
|
<-c // zBlank |
|
l = <-c |
|
i, e = strconv.Atoi(l.token) |
|
if e != nil { |
|
return nil, &ParseError{f, "bad TA DigestType", l}, "" |
|
} |
|
rr.DigestType = uint8(i) |
|
s, e, c1 := endingToString(c, "bad TA Digest", f) |
|
if e != nil { |
|
return nil, e.(*ParseError), c1 |
|
} |
|
rr.Digest = s |
|
return rr, nil, c1 |
|
} |
|
|
|
func setTLSA(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
|
rr := new(TLSA) |
|
rr.Hdr = h |
|
l := <-c |
|
if l.length == 0 { |
|
return rr, nil, l.comment |
|
} |
|
i, e := strconv.Atoi(l.token) |
|
if e != nil { |
|
return nil, &ParseError{f, "bad TLSA Usage", l}, "" |
|
} |
|
rr.Usage = uint8(i) |
|
<-c // zBlank |
|
l = <-c |
|
i, e = strconv.Atoi(l.token) |
|
if e != nil { |
|
return nil, &ParseError{f, "bad TLSA Selector", l}, "" |
|
} |
|
rr.Selector = uint8(i) |
|
<-c // zBlank |
|
l = <-c |
|
i, e = strconv.Atoi(l.token) |
|
if e != nil { |
|
return nil, &ParseError{f, "bad TLSA MatchingType", l}, "" |
|
} |
|
rr.MatchingType = uint8(i) |
|
// So this needs be e2 (i.e. different than e), because...??t |
|
s, e2, c1 := endingToString(c, "bad TLSA Certificate", f) |
|
if e2 != nil { |
|
return nil, e2, c1 |
|
} |
|
rr.Certificate = s |
|
return rr, nil, c1 |
|
} |
|
|
|
func setRFC3597(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
|
rr := new(RFC3597) |
|
rr.Hdr = h |
|
l := <-c |
|
if l.token != "\\#" { |
|
return nil, &ParseError{f, "bad RFC3597 Rdata", l}, "" |
|
} |
|
<-c // zBlank |
|
l = <-c |
|
rdlength, e := strconv.Atoi(l.token) |
|
if e != nil { |
|
return nil, &ParseError{f, "bad RFC3597 Rdata ", l}, "" |
|
} |
|
|
|
s, e1, c1 := endingToString(c, "bad RFC3597 Rdata", f) |
|
if e1 != nil { |
|
return nil, e1, c1 |
|
} |
|
if rdlength*2 != len(s) { |
|
return nil, &ParseError{f, "bad RFC3597 Rdata", l}, "" |
|
} |
|
rr.Rdata = s |
|
return rr, nil, c1 |
|
} |
|
|
|
func setSPF(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
|
rr := new(SPF) |
|
rr.Hdr = h |
|
|
|
s, e, c1 := endingToTxtSlice(c, "bad SPF Txt", f) |
|
if e != nil { |
|
return nil, e, "" |
|
} |
|
rr.Txt = s |
|
return rr, nil, c1 |
|
} |
|
|
|
func setTXT(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
|
rr := new(TXT) |
|
rr.Hdr = h |
|
|
|
// no zBlank reading here, because all this rdata is TXT |
|
s, e, c1 := endingToTxtSlice(c, "bad TXT Txt", f) |
|
if e != nil { |
|
return nil, e, "" |
|
} |
|
rr.Txt = s |
|
return rr, nil, c1 |
|
} |
|
|
|
// identical to setTXT |
|
func setNINFO(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
|
rr := new(NINFO) |
|
rr.Hdr = h |
|
|
|
s, e, c1 := endingToTxtSlice(c, "bad NINFO ZSData", f) |
|
if e != nil { |
|
return nil, e, "" |
|
} |
|
rr.ZSData = s |
|
return rr, nil, c1 |
|
} |
|
|
|
func setURI(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
|
rr := new(URI) |
|
rr.Hdr = h |
|
|
|
l := <-c |
|
if l.length == 0 { |
|
return rr, nil, l.comment |
|
} |
|
i, e := strconv.Atoi(l.token) |
|
if e != nil { |
|
return nil, &ParseError{f, "bad URI Priority", l}, "" |
|
} |
|
rr.Priority = uint16(i) |
|
<-c // zBlank |
|
l = <-c |
|
i, e = strconv.Atoi(l.token) |
|
if e != nil { |
|
return nil, &ParseError{f, "bad URI Weight", l}, "" |
|
} |
|
rr.Weight = uint16(i) |
|
|
|
<-c // zBlank |
|
s, e, c1 := endingToTxtSlice(c, "bad URI Target", f) |
|
if e != nil { |
|
return nil, e.(*ParseError), "" |
|
} |
|
rr.Target = s |
|
return rr, nil, c1 |
|
} |
|
|
|
func setDHCID(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
|
// awesome record to parse! |
|
rr := new(DHCID) |
|
rr.Hdr = h |
|
|
|
s, e, c1 := endingToString(c, "bad DHCID Digest", f) |
|
if e != nil { |
|
return nil, e, c1 |
|
} |
|
rr.Digest = s |
|
return rr, nil, c1 |
|
} |
|
|
|
func setNID(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
|
rr := new(NID) |
|
rr.Hdr = h |
|
|
|
l := <-c |
|
if l.length == 0 { |
|
return rr, nil, "" |
|
} |
|
i, e := strconv.Atoi(l.token) |
|
if e != nil { |
|
return nil, &ParseError{f, "bad NID Preference", l}, "" |
|
} |
|
rr.Preference = uint16(i) |
|
<-c // zBlank |
|
l = <-c // zString |
|
u, err := stringToNodeID(l) |
|
if err != nil { |
|
return nil, err, "" |
|
} |
|
rr.NodeID = u |
|
return rr, nil, "" |
|
} |
|
|
|
func setL32(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
|
rr := new(L32) |
|
rr.Hdr = h |
|
|
|
l := <-c |
|
if l.length == 0 { |
|
return rr, nil, "" |
|
} |
|
i, e := strconv.Atoi(l.token) |
|
if e != nil { |
|
return nil, &ParseError{f, "bad L32 Preference", l}, "" |
|
} |
|
rr.Preference = uint16(i) |
|
<-c // zBlank |
|
l = <-c // zString |
|
rr.Locator32 = net.ParseIP(l.token) |
|
if rr.Locator32 == nil { |
|
return nil, &ParseError{f, "bad L32 Locator", l}, "" |
|
} |
|
return rr, nil, "" |
|
} |
|
|
|
func setLP(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
|
rr := new(LP) |
|
rr.Hdr = h |
|
|
|
l := <-c |
|
if l.length == 0 { |
|
return rr, nil, "" |
|
} |
|
i, e := strconv.Atoi(l.token) |
|
if e != nil { |
|
return nil, &ParseError{f, "bad LP Preference", l}, "" |
|
} |
|
rr.Preference = uint16(i) |
|
<-c // zBlank |
|
l = <-c // zString |
|
rr.Fqdn = l.token |
|
if l.length == 0 { |
|
return rr, nil, "" |
|
} |
|
if l.token == "@" { |
|
rr.Fqdn = o |
|
return rr, nil, "" |
|
} |
|
_, ok := IsDomainName(l.token) |
|
if !ok || l.length == 0 { |
|
return nil, &ParseError{f, "bad LP Fqdn", l}, "" |
|
} |
|
if rr.Fqdn[l.length-1] != '.' { |
|
rr.Fqdn = appendOrigin(rr.Fqdn, o) |
|
} |
|
return rr, nil, "" |
|
} |
|
|
|
func setL64(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
|
rr := new(L64) |
|
rr.Hdr = h |
|
|
|
l := <-c |
|
if l.length == 0 { |
|
return rr, nil, "" |
|
} |
|
i, e := strconv.Atoi(l.token) |
|
if e != nil { |
|
return nil, &ParseError{f, "bad L64 Preference", l}, "" |
|
} |
|
rr.Preference = uint16(i) |
|
<-c // zBlank |
|
l = <-c // zString |
|
u, err := stringToNodeID(l) |
|
if err != nil { |
|
return nil, err, "" |
|
} |
|
rr.Locator64 = u |
|
return rr, nil, "" |
|
} |
|
|
|
func setUID(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
|
rr := new(UID) |
|
rr.Hdr = h |
|
l := <-c |
|
if l.length == 0 { |
|
return rr, nil, "" |
|
} |
|
i, e := strconv.Atoi(l.token) |
|
if e != nil { |
|
return nil, &ParseError{f, "bad UID Uid", l}, "" |
|
} |
|
rr.Uid = uint32(i) |
|
return rr, nil, "" |
|
} |
|
|
|
func setGID(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
|
rr := new(GID) |
|
rr.Hdr = h |
|
l := <-c |
|
if l.length == 0 { |
|
return rr, nil, "" |
|
} |
|
i, e := strconv.Atoi(l.token) |
|
if e != nil { |
|
return nil, &ParseError{f, "bad GID Gid", l}, "" |
|
} |
|
rr.Gid = uint32(i) |
|
return rr, nil, "" |
|
} |
|
|
|
func setUINFO(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
|
rr := new(UINFO) |
|
rr.Hdr = h |
|
s, e, c1 := endingToTxtSlice(c, "bad UINFO Uinfo", f) |
|
if e != nil { |
|
return nil, e, "" |
|
} |
|
rr.Uinfo = s[0] // silently discard anything above |
|
return rr, nil, c1 |
|
} |
|
|
|
func setPX(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
|
rr := new(PX) |
|
rr.Hdr = h |
|
|
|
l := <-c |
|
if l.length == 0 { |
|
return rr, nil, "" |
|
} |
|
i, e := strconv.Atoi(l.token) |
|
if e != nil { |
|
return nil, &ParseError{f, "bad PX Preference", l}, "" |
|
} |
|
rr.Preference = uint16(i) |
|
<-c // zBlank |
|
l = <-c // zString |
|
rr.Map822 = l.token |
|
if l.length == 0 { |
|
return rr, nil, "" |
|
} |
|
if l.token == "@" { |
|
rr.Map822 = o |
|
return rr, nil, "" |
|
} |
|
_, ok := IsDomainName(l.token) |
|
if !ok { |
|
return nil, &ParseError{f, "bad PX Map822", l}, "" |
|
} |
|
if rr.Map822[l.length-1] != '.' { |
|
rr.Map822 = appendOrigin(rr.Map822, o) |
|
} |
|
<-c // zBlank |
|
l = <-c // zString |
|
rr.Mapx400 = l.token |
|
if l.token == "@" { |
|
rr.Mapx400 = o |
|
return rr, nil, "" |
|
} |
|
_, ok = IsDomainName(l.token) |
|
if !ok || l.length == 0 { |
|
return nil, &ParseError{f, "bad PX Mapx400", l}, "" |
|
} |
|
if rr.Mapx400[l.length-1] != '.' { |
|
rr.Mapx400 = appendOrigin(rr.Mapx400, o) |
|
} |
|
return rr, nil, "" |
|
} |
|
|
|
func setIPSECKEY(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
|
rr := new(IPSECKEY) |
|
rr.Hdr = h |
|
l := <-c |
|
if l.length == 0 { |
|
return rr, nil, l.comment |
|
} |
|
i, err := strconv.Atoi(l.token) |
|
if err != nil { |
|
return nil, &ParseError{f, "bad IPSECKEY Precedence", l}, "" |
|
} |
|
rr.Precedence = uint8(i) |
|
<-c // zBlank |
|
l = <-c |
|
i, err = strconv.Atoi(l.token) |
|
if err != nil { |
|
return nil, &ParseError{f, "bad IPSECKEY GatewayType", l}, "" |
|
} |
|
rr.GatewayType = uint8(i) |
|
<-c // zBlank |
|
l = <-c |
|
i, err = strconv.Atoi(l.token) |
|
if err != nil { |
|
return nil, &ParseError{f, "bad IPSECKEY Algorithm", l}, "" |
|
} |
|
rr.Algorithm = uint8(i) |
|
|
|
// Now according to GatewayType we can have different elements here |
|
<-c // zBlank |
|
l = <-c |
|
switch rr.GatewayType { |
|
case 0: |
|
fallthrough |
|
case 3: |
|
rr.GatewayName = l.token |
|
if l.token == "@" { |
|
rr.GatewayName = o |
|
} |
|
_, ok := IsDomainName(l.token) |
|
if !ok { |
|
return nil, &ParseError{f, "bad IPSECKEY GatewayName", l}, "" |
|
} |
|
if rr.GatewayName[l.length-1] != '.' { |
|
rr.GatewayName = appendOrigin(rr.GatewayName, o) |
|
} |
|
case 1: |
|
rr.GatewayA = net.ParseIP(l.token) |
|
if rr.GatewayA == nil { |
|
return nil, &ParseError{f, "bad IPSECKEY GatewayA", l}, "" |
|
} |
|
case 2: |
|
rr.GatewayAAAA = net.ParseIP(l.token) |
|
if rr.GatewayAAAA == nil { |
|
return nil, &ParseError{f, "bad IPSECKEY GatewayAAAA", l}, "" |
|
} |
|
default: |
|
return nil, &ParseError{f, "bad IPSECKEY GatewayType", l}, "" |
|
} |
|
|
|
s, e, c1 := endingToString(c, "bad IPSECKEY PublicKey", f) |
|
if e != nil { |
|
return nil, e, c1 |
|
} |
|
rr.PublicKey = s |
|
return rr, nil, c1 |
|
} |
|
|
|
func setCAA(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { |
|
rr := new(CAA) |
|
rr.Hdr = h |
|
l := <-c |
|
if l.length == 0 { |
|
return rr, nil, l.comment |
|
} |
|
i, err := strconv.Atoi(l.token) |
|
if err != nil { |
|
return nil, &ParseError{f, "bad CAA Flag", l}, "" |
|
} |
|
rr.Flag = uint8(i) |
|
|
|
<-c // zBlank |
|
l = <-c // zString |
|
if l.value != zString { |
|
return nil, &ParseError{f, "bad CAA Tag", l}, "" |
|
} |
|
rr.Tag = l.token |
|
|
|
<-c // zBlank |
|
s, e, c1 := endingToTxtSlice(c, "bad CAA Value", f) |
|
if e != nil { |
|
return nil, e, "" |
|
} |
|
if len(s) > 1 { |
|
return nil, &ParseError{f, "bad CAA Value", l}, "" |
|
} else { |
|
rr.Value = s[0] |
|
} |
|
return rr, nil, c1 |
|
} |
|
|
|
var typeToparserFunc = map[uint16]parserFunc{ |
|
TypeAAAA: parserFunc{setAAAA, false}, |
|
TypeAFSDB: parserFunc{setAFSDB, false}, |
|
TypeA: parserFunc{setA, false}, |
|
TypeCAA: parserFunc{setCAA, true}, |
|
TypeCDS: parserFunc{setCDS, true}, |
|
TypeCDNSKEY: parserFunc{setCDNSKEY, true}, |
|
TypeCERT: parserFunc{setCERT, true}, |
|
TypeCNAME: parserFunc{setCNAME, false}, |
|
TypeDHCID: parserFunc{setDHCID, true}, |
|
TypeDLV: parserFunc{setDLV, true}, |
|
TypeDNAME: parserFunc{setDNAME, false}, |
|
TypeKEY: parserFunc{setKEY, true}, |
|
TypeDNSKEY: parserFunc{setDNSKEY, true}, |
|
TypeDS: parserFunc{setDS, true}, |
|
TypeEID: parserFunc{setEID, true}, |
|
TypeEUI48: parserFunc{setEUI48, false}, |
|
TypeEUI64: parserFunc{setEUI64, false}, |
|
TypeGID: parserFunc{setGID, false}, |
|
TypeGPOS: parserFunc{setGPOS, false}, |
|
TypeHINFO: parserFunc{setHINFO, true}, |
|
TypeHIP: parserFunc{setHIP, true}, |
|
TypeIPSECKEY: parserFunc{setIPSECKEY, true}, |
|
TypeKX: parserFunc{setKX, false}, |
|
TypeL32: parserFunc{setL32, false}, |
|
TypeL64: parserFunc{setL64, false}, |
|
TypeLOC: parserFunc{setLOC, true}, |
|
TypeLP: parserFunc{setLP, false}, |
|
TypeMB: parserFunc{setMB, false}, |
|
TypeMD: parserFunc{setMD, false}, |
|
TypeMF: parserFunc{setMF, false}, |
|
TypeMG: parserFunc{setMG, false}, |
|
TypeMINFO: parserFunc{setMINFO, false}, |
|
TypeMR: parserFunc{setMR, false}, |
|
TypeMX: parserFunc{setMX, false}, |
|
TypeNAPTR: parserFunc{setNAPTR, false}, |
|
TypeNID: parserFunc{setNID, false}, |
|
TypeNIMLOC: parserFunc{setNIMLOC, true}, |
|
TypeNINFO: parserFunc{setNINFO, true}, |
|
TypeNSAP: parserFunc{setNSAP, true}, |
|
TypeNSAPPTR: parserFunc{setNSAPPTR, false}, |
|
TypeNSEC3PARAM: parserFunc{setNSEC3PARAM, false}, |
|
TypeNSEC3: parserFunc{setNSEC3, true}, |
|
TypeNSEC: parserFunc{setNSEC, true}, |
|
TypeNS: parserFunc{setNS, false}, |
|
TypeOPENPGPKEY: parserFunc{setOPENPGPKEY, true}, |
|
TypePTR: parserFunc{setPTR, false}, |
|
TypePX: parserFunc{setPX, false}, |
|
TypeSIG: parserFunc{setSIG, true}, |
|
TypeRKEY: parserFunc{setRKEY, true}, |
|
TypeRP: parserFunc{setRP, false}, |
|
TypeRRSIG: parserFunc{setRRSIG, true}, |
|
TypeRT: parserFunc{setRT, false}, |
|
TypeSOA: parserFunc{setSOA, false}, |
|
TypeSPF: parserFunc{setSPF, true}, |
|
TypeSRV: parserFunc{setSRV, false}, |
|
TypeSSHFP: parserFunc{setSSHFP, true}, |
|
TypeTALINK: parserFunc{setTALINK, false}, |
|
TypeTA: parserFunc{setTA, true}, |
|
TypeTLSA: parserFunc{setTLSA, true}, |
|
TypeTXT: parserFunc{setTXT, true}, |
|
TypeUID: parserFunc{setUID, false}, |
|
TypeUINFO: parserFunc{setUINFO, true}, |
|
TypeURI: parserFunc{setURI, true}, |
|
TypeWKS: parserFunc{setWKS, true}, |
|
TypeX25: parserFunc{setX25, false}, |
|
}
|
|
|