diff options
Diffstat (limited to 'vendor/github.com/rsc/letsencrypt/vendor/github.com/miekg/dns/scan_rr.go')
| -rw-r--r-- | vendor/github.com/rsc/letsencrypt/vendor/github.com/miekg/dns/scan_rr.go | 2184 |
1 files changed, 0 insertions, 2184 deletions
diff --git a/vendor/github.com/rsc/letsencrypt/vendor/github.com/miekg/dns/scan_rr.go b/vendor/github.com/rsc/letsencrypt/vendor/github.com/miekg/dns/scan_rr.go deleted file mode 100644 index b8b18fd77..000000000 --- a/vendor/github.com/rsc/letsencrypt/vendor/github.com/miekg/dns/scan_rr.go +++ /dev/null @@ -1,2184 +0,0 @@ -package dns - -import ( - "encoding/base64" - "net" - "strconv" - "strings" -) - -type parserFunc struct { - // Func defines the function that parses the tokens and returns the RR - // or an error. The last string contains any comments in the line as - // they returned by the lexer as well. - Func func(h RR_Header, c chan lex, origin string, file string) (RR, *ParseError, string) - // Signals if the RR ending is of variable length, like TXT or records - // that have Hexadecimal or Base64 as their last element in the Rdata. Records - // that have a fixed ending or for instance A, AAAA, SOA and etc. - Variable bool -} - -// Parse the rdata of each rrtype. -// All data from the channel c is either zString or zBlank. -// After the rdata there may come a zBlank and then a zNewline -// or immediately a zNewline. If this is not the case we flag -// an *ParseError: garbage after rdata. -func setRR(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { - parserfunc, ok := typeToparserFunc[h.Rrtype] - if ok { - r, e, cm := parserfunc.Func(h, c, o, f) - if parserfunc.Variable { - return r, e, cm - } - if e != nil { - return nil, e, "" - } - e, cm = slurpRemainder(c, f) - if e != nil { - return nil, e, "" - } - return r, nil, cm - } - // RFC3957 RR (Unknown RR handling) - return setRFC3597(h, c, o, f) -} - -// A remainder of the rdata with embedded spaces, return the parsed string (sans the spaces) -// or an error -func endingToString(c chan lex, errstr, f string) (string, *ParseError, string) { - s := "" - l := <-c // zString - for l.value != zNewline && l.value != zEOF { - if l.err { - return s, &ParseError{f, errstr, l}, "" - } - switch l.value { - case zString: - s += l.token - case zBlank: // Ok - default: - return "", &ParseError{f, errstr, l}, "" - } - l = <-c - } - return s, nil, l.comment -} - -// A remainder of the rdata with embedded spaces, split on unquoted whitespace -// and return the parsed string slice or an error -func endingToTxtSlice(c chan lex, errstr, f string) ([]string, *ParseError, string) { - // Get the remaining data until we see a zNewline - l := <-c - if l.err { - return nil, &ParseError{f, errstr, l}, "" - } - - // Build the slice - s := make([]string, 0) - quote := false - empty := false - for l.value != zNewline && l.value != zEOF { - if l.err { - return nil, &ParseError{f, errstr, l}, "" - } - switch l.value { - case zString: - empty = false - if len(l.token) > 255 { - // split up tokens that are larger than 255 into 255-chunks - sx := []string{} - p, i := 0, 255 - for { - if i <= len(l.token) { - sx = append(sx, l.token[p:i]) - } else { - sx = append(sx, l.token[p:]) - break - - } - p, i = p+255, i+255 - } - s = append(s, sx...) - break - } - - s = append(s, l.token) - case zBlank: - if quote { - // zBlank can only be seen in between txt parts. - return nil, &ParseError{f, errstr, l}, "" - } - case zQuote: - if empty && quote { - s = append(s, "") - } - quote = !quote - empty = true - default: - return nil, &ParseError{f, errstr, l}, "" - } - l = <-c - } - if quote { - return nil, &ParseError{f, errstr, l}, "" - } - return s, nil, l.comment -} - -func setA(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { - rr := new(A) - rr.Hdr = h - - l := <-c - if l.length == 0 { // Dynamic updates. - return rr, nil, "" - } - rr.A = net.ParseIP(l.token) - if rr.A == nil || l.err { - return nil, &ParseError{f, "bad A A", l}, "" - } - return rr, nil, "" -} - -func setAAAA(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { - rr := new(AAAA) - rr.Hdr = h - - l := <-c - if l.length == 0 { - return rr, nil, "" - } - rr.AAAA = net.ParseIP(l.token) - if rr.AAAA == nil || l.err { - return nil, &ParseError{f, "bad AAAA AAAA", l}, "" - } - return rr, nil, "" -} - -func setNS(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { - rr := new(NS) - rr.Hdr = h - - l := <-c - rr.Ns = l.token - if l.length == 0 { - return rr, nil, "" - } - if l.token == "@" { - rr.Ns = o - return rr, nil, "" - } - _, ok := IsDomainName(l.token) - if !ok || l.length == 0 || l.err { - return nil, &ParseError{f, "bad NS Ns", l}, "" - } - if rr.Ns[l.length-1] != '.' { - rr.Ns = appendOrigin(rr.Ns, o) - } - return rr, nil, "" -} - -func setPTR(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { - rr := new(PTR) - rr.Hdr = h - - l := <-c - rr.Ptr = l.token - if l.length == 0 { // dynamic update rr. - return rr, nil, "" - } - if l.token == "@" { - rr.Ptr = o - return rr, nil, "" - } - _, ok := IsDomainName(l.token) - if !ok || l.length == 0 || l.err { - return nil, &ParseError{f, "bad PTR Ptr", l}, "" - } - if rr.Ptr[l.length-1] != '.' { - rr.Ptr = appendOrigin(rr.Ptr, o) - } - return rr, nil, "" -} - -func setNSAPPTR(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { - rr := new(NSAPPTR) - rr.Hdr = h - - l := <-c - rr.Ptr = l.token - if l.length == 0 { - return rr, nil, "" - } - if l.token == "@" { - rr.Ptr = o - return rr, nil, "" - } - _, ok := IsDomainName(l.token) - if !ok || l.length == 0 || l.err { - return nil, &ParseError{f, "bad NSAP-PTR Ptr", l}, "" - } - if rr.Ptr[l.length-1] != '.' { - rr.Ptr = appendOrigin(rr.Ptr, o) - } - return rr, nil, "" -} - -func setRP(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { - rr := new(RP) - rr.Hdr = h - - l := <-c - rr.Mbox = l.token - if l.length == 0 { - return rr, nil, "" - } - if l.token == "@" { - rr.Mbox = o - } else { - _, ok := IsDomainName(l.token) - if !ok || l.length == 0 || l.err { - return nil, &ParseError{f, "bad RP Mbox", l}, "" - } - if rr.Mbox[l.length-1] != '.' { - rr.Mbox = appendOrigin(rr.Mbox, o) - } - } - <-c // zBlank - l = <-c - rr.Txt = l.token - if l.token == "@" { - rr.Txt = o - return rr, nil, "" - } - _, ok := IsDomainName(l.token) - if !ok || l.length == 0 || l.err { - return nil, &ParseError{f, "bad RP Txt", l}, "" - } - if rr.Txt[l.length-1] != '.' { - rr.Txt = appendOrigin(rr.Txt, o) - } - return rr, nil, "" -} - -func setMR(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { - rr := new(MR) - rr.Hdr = h - - l := <-c - rr.Mr = l.token - if l.length == 0 { - return rr, nil, "" - } - if l.token == "@" { - rr.Mr = o - return rr, nil, "" - } - _, ok := IsDomainName(l.token) - if !ok || l.length == 0 || l.err { - return nil, &ParseError{f, "bad MR Mr", l}, "" - } - if rr.Mr[l.length-1] != '.' { - rr.Mr = appendOrigin(rr.Mr, o) - } - return rr, nil, "" -} - -func setMB(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { - rr := new(MB) - rr.Hdr = h - - l := <-c - rr.Mb = l.token - if l.length == 0 { - return rr, nil, "" - } - if l.token == "@" { - rr.Mb = o - return rr, nil, "" - } - _, ok := IsDomainName(l.token) - if !ok || l.length == 0 || l.err { - return nil, &ParseError{f, "bad MB Mb", l}, "" - } - if rr.Mb[l.length-1] != '.' { - rr.Mb = appendOrigin(rr.Mb, o) - } - return rr, nil, "" -} - -func setMG(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { - rr := new(MG) - rr.Hdr = h - - l := <-c - rr.Mg = l.token - if l.length == 0 { - return rr, nil, "" - } - if l.token == "@" { - rr.Mg = o - return rr, nil, "" - } - _, ok := IsDomainName(l.token) - if !ok || l.length == 0 || l.err { - return nil, &ParseError{f, "bad MG Mg", l}, "" - } - if rr.Mg[l.length-1] != '.' { - rr.Mg = appendOrigin(rr.Mg, o) - } - return rr, nil, "" -} - -func setHINFO(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { - rr := new(HINFO) - rr.Hdr = h - - chunks, e, c1 := endingToTxtSlice(c, "bad HINFO Fields", f) - if e != nil { - return nil, e, c1 - } - - if ln := len(chunks); ln == 0 { - return rr, nil, "" - } else if ln == 1 { - // Can we split it? - if out := strings.Fields(chunks[0]); len(out) > 1 { - chunks = out - } else { - chunks = append(chunks, "") - } - } - - rr.Cpu = chunks[0] - rr.Os = strings.Join(chunks[1:], " ") - - return rr, nil, "" -} - -func setMINFO(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { - rr := new(MINFO) - rr.Hdr = h - - l := <-c - rr.Rmail = l.token - if l.length == 0 { - return rr, nil, "" - } - if l.token == "@" { - rr.Rmail = o - } else { - _, ok := IsDomainName(l.token) - if !ok || l.length == 0 || l.err { - return nil, &ParseError{f, "bad MINFO Rmail", l}, "" - } - if rr.Rmail[l.length-1] != '.' { - rr.Rmail = appendOrigin(rr.Rmail, o) - } - } - <-c // zBlank - l = <-c - rr.Email = l.token - if l.token == "@" { - rr.Email = o - return rr, nil, "" - } - _, ok := IsDomainName(l.token) - if !ok || l.length == 0 || l.err { - return nil, &ParseError{f, "bad MINFO Email", l}, "" - } - if rr.Email[l.length-1] != '.' { - rr.Email = appendOrigin(rr.Email, o) - } - return rr, nil, "" -} - -func setMF(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { - rr := new(MF) - rr.Hdr = h - - l := <-c - rr.Mf = l.token - if l.length == 0 { - return rr, nil, "" - } - if l.token == "@" { - rr.Mf = o - return rr, nil, "" - } - _, ok := IsDomainName(l.token) - if !ok || l.length == 0 || l.err { - return nil, &ParseError{f, "bad MF Mf", l}, "" - } - if rr.Mf[l.length-1] != '.' { - rr.Mf = appendOrigin(rr.Mf, o) - } - return rr, nil, "" -} - -func setMD(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { - rr := new(MD) - rr.Hdr = h - - l := <-c - rr.Md = l.token - if l.length == 0 { - return rr, nil, "" - } - if l.token == "@" { - rr.Md = o - return rr, nil, "" - } - _, ok := IsDomainName(l.token) - if !ok || l.length == 0 || l.err { - return nil, &ParseError{f, "bad MD Md", l}, "" - } - if rr.Md[l.length-1] != '.' { - rr.Md = appendOrigin(rr.Md, o) - } - return rr, nil, "" -} - -func setMX(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { - rr := new(MX) - rr.Hdr = h - - l := <-c - if l.length == 0 { - return rr, nil, "" - } - i, e := strconv.ParseUint(l.token, 10, 16) - if e != nil || l.err { - return nil, &ParseError{f, "bad MX Pref", l}, "" - } - rr.Preference = uint16(i) - <-c // zBlank - l = <-c // zString - rr.Mx = l.token - if l.token == "@" { - rr.Mx = o - return rr, nil, "" - } - _, ok := IsDomainName(l.token) - if !ok || l.length == 0 || l.err { - return nil, &ParseError{f, "bad MX Mx", l}, "" - } - if rr.Mx[l.length-1] != '.' { - rr.Mx = appendOrigin(rr.Mx, o) - } - return rr, nil, "" -} - -func setRT(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { - rr := new(RT) - rr.Hdr = h - l := <-c - if l.length == 0 { - return rr, nil, "" - } - i, e := strconv.ParseUint(l.token, 10, 16) - if e != nil { - return nil, &ParseError{f, "bad RT Preference", l}, "" - } - rr.Preference = uint16(i) - <-c // zBlank - l = <-c // zString - rr.Host = l.token - if l.token == "@" { - rr.Host = o - return rr, nil, "" - } - _, ok := IsDomainName(l.token) - if !ok || l.length == 0 || l.err { - 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) - rr.Hdr = h - - l := <-c - if l.length == 0 { - return rr, nil, "" - } - i, e := strconv.ParseUint(l.token, 10, 16) - if e != nil || l.err { - 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 || l.err { - 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 - if l.length == 0 { - return rr, nil, "" - } - if l.err { - return nil, &ParseError{f, "bad X25 PSDNAddress", l}, "" - } - rr.PSDNAddress = l.token - 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.ParseUint(l.token, 10, 16) - if e != nil || l.err { - 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 || l.err { - 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 || l.err { - 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 || l.length == 0 || l.err { - 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 || l.length == 0 || l.err { - 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 || l.err { - 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 l.err { - return nil, &ParseError{f, "bad SOA zone parameter", l}, "" - } - if j, e := strconv.ParseUint(l.token, 10, 32); 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.ParseUint(l.token, 10, 16) - if e != nil || l.err { - return nil, &ParseError{f, "bad SRV Priority", l}, "" - } - rr.Priority = uint16(i) - <-c // zBlank - l = <-c // zString - i, e = strconv.ParseUint(l.token, 10, 16) - if e != nil || l.err { - return nil, &ParseError{f, "bad SRV Weight", l}, "" - } - rr.Weight = uint16(i) - <-c // zBlank - l = <-c // zString - i, e = strconv.ParseUint(l.token, 10, 16) - if e != nil || l.err { - 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 || l.err { - 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.ParseUint(l.token, 10, 16) - if e != nil || l.err { - return nil, &ParseError{f, "bad NAPTR Order", l}, "" - } - rr.Order = uint16(i) - <-c // zBlank - l = <-c // zString - i, e = strconv.ParseUint(l.token, 10, 16) - if e != nil || l.err { - 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 || l.err { - 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 || l.length == 0 || l.err { - 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 || l.err { - 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, "" - } - i, e := strconv.ParseUint(l.token, 10, 32) - if e != nil || l.err { - return nil, &ParseError{f, "bad LOC Latitude", l}, "" - } - 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 - } - i, e = strconv.ParseUint(l.token, 10, 32) - if e != nil || l.err { - return nil, &ParseError{f, "bad LOC Latitude minutes", l}, "" - } - rr.Latitude += 1000 * 60 * uint32(i) - - <-c // zBlank - l = <-c - if i, e := strconv.ParseFloat(l.token, 32); e != nil || l.err { - 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.ParseUint(l.token, 10, 32); e != nil || l.err { - 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.ParseUint(l.token, 10, 32); e != nil || l.err { - 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 || l.err { - 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.length == 0 || l.err { - return nil, &ParseError{f, "bad LOC Altitude", l}, "" - } - 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.ParseUint(l.token, 10, 8) - if e != nil || l.err { - return nil, &ParseError{f, "bad HIP PublicKeyAlgorithm", l}, "" - } - rr.PublicKeyAlgorithm = uint8(i) - <-c // zBlank - l = <-c // zString - if l.length == 0 || l.err { - return nil, &ParseError{f, "bad HIP Hit", l}, "" - } - 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 - if l.length == 0 || l.err { - return nil, &ParseError{f, "bad HIP PublicKey", l}, "" - } - 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) - l = <-c - continue - } - _, ok := IsDomainName(l.token) - if !ok || l.length == 0 || l.err { - 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.ParseUint(l.token, 10, 16); e != nil { - return nil, &ParseError{f, "bad CERT Type", l}, "" - } else { - rr.Type = uint16(i) - } - <-c // zBlank - l = <-c // zString - i, e := strconv.ParseUint(l.token, 10, 16) - if e != nil || l.err { - 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.ParseUint(l.token, 10, 8); 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.ParseUint(l.token, 10, 8) - if err != nil || l.err { - return nil, &ParseError{f, "bad RRSIG Algorithm", l}, "" - } - rr.Algorithm = uint8(i) - <-c // zBlank - l = <-c - i, err = strconv.ParseUint(l.token, 10, 8) - if err != nil || l.err { - return nil, &ParseError{f, "bad RRSIG Labels", l}, "" - } - rr.Labels = uint8(i) - <-c // zBlank - l = <-c - i, err = strconv.ParseUint(l.token, 10, 32) - if err != nil || l.err { - 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.ParseUint(l.token, 10, 16) - if err != nil || l.err { - 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 || l.err { - 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 || l.length == 0 || l.err { - 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.ParseUint(l.token, 10, 8) - if e != nil || l.err { - return nil, &ParseError{f, "bad NSEC3 Hash", l}, "" - } - rr.Hash = uint8(i) - <-c // zBlank - l = <-c - i, e = strconv.ParseUint(l.token, 10, 8) - if e != nil || l.err { - return nil, &ParseError{f, "bad NSEC3 Flags", l}, "" - } - rr.Flags = uint8(i) - <-c // zBlank - l = <-c - i, e = strconv.ParseUint(l.token, 10, 16) - if e != nil || l.err { - return nil, &ParseError{f, "bad NSEC3 Iterations", l}, "" - } - rr.Iterations = uint16(i) - <-c - l = <-c - if len(l.token) == 0 || l.err { - return nil, &ParseError{f, "bad NSEC3 Salt", l}, "" - } - rr.SaltLength = uint8(len(l.token)) / 2 - rr.Salt = l.token - - <-c - l = <-c - if len(l.token) == 0 || l.err { - return nil, &ParseError{f, "bad NSEC3 NextDomain", l}, "" - } - 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.ParseUint(l.token, 10, 8) - if e != nil || l.err { - return nil, &ParseError{f, "bad NSEC3PARAM Hash", l}, "" - } - rr.Hash = uint8(i) - <-c // zBlank - l = <-c - i, e = strconv.ParseUint(l.token, 10, 8) - if e != nil || l.err { - return nil, &ParseError{f, "bad NSEC3PARAM Flags", l}, "" - } - rr.Flags = uint8(i) - <-c // zBlank - l = <-c - i, e = strconv.ParseUint(l.token, 10, 16) - if e != nil || l.err { - 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 || l.err { - 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 || l.err { - 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 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.ParseUint(l.token, 10, 8) - if e != nil || l.err { - return nil, &ParseError{f, "bad SSHFP Algorithm", l}, "" - } - rr.Algorithm = uint8(i) - <-c // zBlank - l = <-c - i, e = strconv.ParseUint(l.token, 10, 8) - if e != nil || l.err { - 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.ParseUint(l.token, 10, 16) - if e != nil || l.err { - return nil, &ParseError{f, "bad " + typ + " Flags", l}, "" - } - rr.Flags = uint16(i) - <-c // zBlank - l = <-c // zString - i, e = strconv.ParseUint(l.token, 10, 8) - if e != nil || l.err { - return nil, &ParseError{f, "bad " + typ + " Protocol", l}, "" - } - rr.Protocol = uint8(i) - <-c // zBlank - l = <-c // zString - i, e = strconv.ParseUint(l.token, 10, 8) - if e != nil || l.err { - 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.ParseUint(l.token, 10, 16) - if e != nil || l.err { - return nil, &ParseError{f, "bad RKEY Flags", l}, "" - } - rr.Flags = uint16(i) - <-c // zBlank - l = <-c // zString - i, e = strconv.ParseUint(l.token, 10, 8) - if e != nil || l.err { - return nil, &ParseError{f, "bad RKEY Protocol", l}, "" - } - rr.Protocol = uint8(i) - <-c // zBlank - l = <-c // zString - i, e = strconv.ParseUint(l.token, 10, 8) - if e != nil || l.err { - 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 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 || l.err { - 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 || l.err { - 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 || l.err { - 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.ParseUint(l.token, 10, 16) - if e != nil || l.err { - return nil, &ParseError{f, "bad " + typ + " KeyTag", l}, "" - } - rr.KeyTag = uint16(i) - <-c // zBlank - l = <-c - if i, e = strconv.ParseUint(l.token, 10, 8); e != nil { - i, ok := StringToAlgorithm[l.tokenUpper] - if !ok || l.err { - return nil, &ParseError{f, "bad " + typ + " Algorithm", l}, "" - } - rr.Algorithm = i - } else { - rr.Algorithm = uint8(i) - } - <-c // zBlank - l = <-c - i, e = strconv.ParseUint(l.token, 10, 8) - if e != nil || l.err { - 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.ParseUint(l.token, 10, 16) - if e != nil || l.err { - return nil, &ParseError{f, "bad TA KeyTag", l}, "" - } - rr.KeyTag = uint16(i) - <-c // zBlank - l = <-c - if i, e := strconv.ParseUint(l.token, 10, 8); e != nil { - i, ok := StringToAlgorithm[l.tokenUpper] - if !ok || l.err { - return nil, &ParseError{f, "bad TA Algorithm", l}, "" - } - rr.Algorithm = i - } else { - rr.Algorithm = uint8(i) - } - <-c // zBlank - l = <-c - i, e = strconv.ParseUint(l.token, 10, 8) - if e != nil || l.err { - 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.ParseUint(l.token, 10, 8) - if e != nil || l.err { - return nil, &ParseError{f, "bad TLSA Usage", l}, "" - } - rr.Usage = uint8(i) - <-c // zBlank - l = <-c - i, e = strconv.ParseUint(l.token, 10, 8) - if e != nil || l.err { - return nil, &ParseError{f, "bad TLSA Selector", l}, "" - } - rr.Selector = uint8(i) - <-c // zBlank - l = <-c - i, e = strconv.ParseUint(l.token, 10, 8) - if e != nil || l.err { - 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 setSMIMEA(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { - rr := new(SMIMEA) - rr.Hdr = h - l := <-c - if l.length == 0 { - return rr, nil, l.comment - } - i, e := strconv.ParseUint(l.token, 10, 8) - if e != nil || l.err { - return nil, &ParseError{f, "bad SMIMEA Usage", l}, "" - } - rr.Usage = uint8(i) - <-c // zBlank - l = <-c - i, e = strconv.ParseUint(l.token, 10, 8) - if e != nil || l.err { - return nil, &ParseError{f, "bad SMIMEA Selector", l}, "" - } - rr.Selector = uint8(i) - <-c // zBlank - l = <-c - i, e = strconv.ParseUint(l.token, 10, 8) - if e != nil || l.err { - return nil, &ParseError{f, "bad SMIMEA MatchingType", l}, "" - } - rr.MatchingType = uint8(i) - // So this needs be e2 (i.e. different than e), because...??t - s, e2, c1 := endingToString(c, "bad SMIMEA 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 || l.err { - 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 setAVC(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) { - rr := new(AVC) - rr.Hdr = h - - s, e, c1 := endingToTxtSlice(c, "bad AVC 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 { // Dynamic updates. - return rr, nil, "" - } - - i, e := strconv.ParseUint(l.token, 10, 16) - if e != nil || l.err { - return nil, &ParseError{f, "bad URI Priority", l}, "" - } - rr.Priority = uint16(i) - <-c // zBlank - l = <-c - i, e = strconv.ParseUint(l.token, 10, 16) - if e != nil || l.err { - return nil, &ParseError{f, "bad URI Weight", l}, "" - } - rr.Weight = uint16(i) - - <-c // zBlank - s, err, c1 := endingToTxtSlice(c, "bad URI Target", f) - if err != nil { - return nil, err, "" - } - if len(s) > 1 { - return nil, &ParseError{f, "bad URI Target", l}, "" - } - rr.Target = s[0] - 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.ParseUint(l.token, 10, 16) - if e != nil || l.err { - return nil, &ParseError{f, "bad NID Preference", l}, "" - } - rr.Preference = uint16(i) - <-c // zBlank - l = <-c // zString - u, err := stringToNodeID(l) - if err != nil || l.err { - 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.ParseUint(l.token, 10, 16) - if e != nil || l.err { - 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 || l.err { - 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.ParseUint(l.token, 10, 16) - if e != nil || l.err { - 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 || l.err { - 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.ParseUint(l.token, 10, 16) - if e != nil || l.err { - return nil, &ParseError{f, "bad L64 Preference", l}, "" - } - rr.Preference = uint16(i) - <-c // zBlank - l = <-c // zString - u, err := stringToNodeID(l) - if err != nil || l.err { - 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.ParseUint(l.token, 10, 32) - if e != nil || l.err { - 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.ParseUint(l.token, 10, 32) - if e != nil || l.err { - 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, c1 - } - if ln := len(s); ln == 0 { - return rr, nil, c1 - } - rr.Uinfo = s[0] // silently discard anything after the first character-string - 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.ParseUint(l.token, 10, 16) - if e != nil || l.err { - 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 || l.length == 0 || l.err { - 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 || l.err { - return nil, &ParseError{f, "bad PX Mapx400", l}, "" - } - if rr.Mapx400[l.length-1] != '.' { - rr.Mapx400 = appendOrigin(rr.Mapx400, o) - } - return rr, nil, "" -} - -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.ParseUint(l.token, 10, 8) - if err != nil || l.err { - 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}, "" - } - rr.Value = s[0] - return rr, nil, c1 -} - -var typeToparserFunc = map[uint16]parserFunc{ - TypeAAAA: {setAAAA, false}, - TypeAFSDB: {setAFSDB, false}, - TypeA: {setA, false}, - TypeCAA: {setCAA, true}, - TypeCDS: {setCDS, true}, - TypeCDNSKEY: {setCDNSKEY, true}, - TypeCERT: {setCERT, true}, - TypeCNAME: {setCNAME, false}, - TypeDHCID: {setDHCID, true}, - TypeDLV: {setDLV, true}, - TypeDNAME: {setDNAME, false}, - TypeKEY: {setKEY, true}, - TypeDNSKEY: {setDNSKEY, true}, - TypeDS: {setDS, true}, - TypeEID: {setEID, true}, - TypeEUI48: {setEUI48, false}, - TypeEUI64: {setEUI64, false}, - TypeGID: {setGID, false}, - TypeGPOS: {setGPOS, false}, - TypeHINFO: {setHINFO, true}, - TypeHIP: {setHIP, true}, - TypeKX: {setKX, false}, - TypeL32: {setL32, false}, - TypeL64: {setL64, false}, - TypeLOC: {setLOC, true}, - TypeLP: {setLP, false}, - TypeMB: {setMB, false}, - TypeMD: {setMD, false}, - TypeMF: {setMF, false}, - TypeMG: {setMG, false}, - TypeMINFO: {setMINFO, false}, - TypeMR: {setMR, false}, - TypeMX: {setMX, false}, - TypeNAPTR: {setNAPTR, false}, - TypeNID: {setNID, false}, - TypeNIMLOC: {setNIMLOC, true}, - TypeNINFO: {setNINFO, true}, - TypeNSAPPTR: {setNSAPPTR, false}, - TypeNSEC3PARAM: {setNSEC3PARAM, false}, - TypeNSEC3: {setNSEC3, true}, - TypeNSEC: {setNSEC, true}, - TypeNS: {setNS, false}, - TypeOPENPGPKEY: {setOPENPGPKEY, true}, - TypePTR: {setPTR, false}, - TypePX: {setPX, false}, - TypeSIG: {setSIG, true}, - TypeRKEY: {setRKEY, true}, - TypeRP: {setRP, false}, - TypeRRSIG: {setRRSIG, true}, - TypeRT: {setRT, false}, - TypeSMIMEA: {setSMIMEA, true}, - TypeSOA: {setSOA, false}, - TypeSPF: {setSPF, true}, - TypeAVC: {setAVC, true}, - TypeSRV: {setSRV, false}, - TypeSSHFP: {setSSHFP, true}, - TypeTALINK: {setTALINK, false}, - TypeTA: {setTA, true}, - TypeTLSA: {setTLSA, true}, - TypeTXT: {setTXT, true}, - TypeUID: {setUID, false}, - TypeUINFO: {setUINFO, true}, - TypeURI: {setURI, true}, - TypeX25: {setX25, false}, -} |