diff options
Diffstat (limited to 'vendor/github.com/miekg/dns/scan_rr.go')
-rw-r--r-- | vendor/github.com/miekg/dns/scan_rr.go | 1778 |
1 files changed, 0 insertions, 1778 deletions
diff --git a/vendor/github.com/miekg/dns/scan_rr.go b/vendor/github.com/miekg/dns/scan_rr.go deleted file mode 100644 index e398484da..000000000 --- a/vendor/github.com/miekg/dns/scan_rr.go +++ /dev/null @@ -1,1778 +0,0 @@ -package dns - -import ( - "bytes" - "encoding/base64" - "net" - "strconv" - "strings" -) - -// A remainder of the rdata with embedded spaces, return the parsed string (sans the spaces) -// or an error -func endingToString(c *zlexer, errstr string) (string, *ParseError) { - var buffer bytes.Buffer - l, _ := c.Next() // zString - for l.value != zNewline && l.value != zEOF { - if l.err { - return buffer.String(), &ParseError{"", errstr, l} - } - switch l.value { - case zString: - buffer.WriteString(l.token) - case zBlank: // Ok - default: - return "", &ParseError{"", errstr, l} - } - l, _ = c.Next() - } - - return buffer.String(), nil -} - -// A remainder of the rdata with embedded spaces, split on unquoted whitespace -// and return the parsed string slice or an error -func endingToTxtSlice(c *zlexer, errstr string) ([]string, *ParseError) { - // Get the remaining data until we see a zNewline - l, _ := c.Next() - if l.err { - return nil, &ParseError{"", 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{"", 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{"", errstr, l} - } - case zQuote: - if empty && quote { - s = append(s, "") - } - quote = !quote - empty = true - default: - return nil, &ParseError{"", errstr, l} - } - l, _ = c.Next() - } - - if quote { - return nil, &ParseError{"", errstr, l} - } - - return s, nil -} - -func (rr *A) parse(c *zlexer, o string) *ParseError { - l, _ := c.Next() - rr.A = net.ParseIP(l.token) - // IPv4 addresses cannot include ":". - // We do this rather than use net.IP's To4() because - // To4() treats IPv4-mapped IPv6 addresses as being - // IPv4. - isIPv4 := !strings.Contains(l.token, ":") - if rr.A == nil || !isIPv4 || l.err { - return &ParseError{"", "bad A A", l} - } - return slurpRemainder(c) -} - -func (rr *AAAA) parse(c *zlexer, o string) *ParseError { - l, _ := c.Next() - rr.AAAA = net.ParseIP(l.token) - // IPv6 addresses must include ":", and IPv4 - // addresses cannot include ":". - isIPv6 := strings.Contains(l.token, ":") - if rr.AAAA == nil || !isIPv6 || l.err { - return &ParseError{"", "bad AAAA AAAA", l} - } - return slurpRemainder(c) -} - -func (rr *NS) parse(c *zlexer, o string) *ParseError { - l, _ := c.Next() - name, nameOk := toAbsoluteName(l.token, o) - if l.err || !nameOk { - return &ParseError{"", "bad NS Ns", l} - } - rr.Ns = name - return slurpRemainder(c) -} - -func (rr *PTR) parse(c *zlexer, o string) *ParseError { - l, _ := c.Next() - name, nameOk := toAbsoluteName(l.token, o) - if l.err || !nameOk { - return &ParseError{"", "bad PTR Ptr", l} - } - rr.Ptr = name - return slurpRemainder(c) -} - -func (rr *NSAPPTR) parse(c *zlexer, o string) *ParseError { - l, _ := c.Next() - name, nameOk := toAbsoluteName(l.token, o) - if l.err || !nameOk { - return &ParseError{"", "bad NSAP-PTR Ptr", l} - } - rr.Ptr = name - return slurpRemainder(c) -} - -func (rr *RP) parse(c *zlexer, o string) *ParseError { - l, _ := c.Next() - mbox, mboxOk := toAbsoluteName(l.token, o) - if l.err || !mboxOk { - return &ParseError{"", "bad RP Mbox", l} - } - rr.Mbox = mbox - - c.Next() // zBlank - l, _ = c.Next() - rr.Txt = l.token - - txt, txtOk := toAbsoluteName(l.token, o) - if l.err || !txtOk { - return &ParseError{"", "bad RP Txt", l} - } - rr.Txt = txt - - return slurpRemainder(c) -} - -func (rr *MR) parse(c *zlexer, o string) *ParseError { - l, _ := c.Next() - name, nameOk := toAbsoluteName(l.token, o) - if l.err || !nameOk { - return &ParseError{"", "bad MR Mr", l} - } - rr.Mr = name - return slurpRemainder(c) -} - -func (rr *MB) parse(c *zlexer, o string) *ParseError { - l, _ := c.Next() - name, nameOk := toAbsoluteName(l.token, o) - if l.err || !nameOk { - return &ParseError{"", "bad MB Mb", l} - } - rr.Mb = name - return slurpRemainder(c) -} - -func (rr *MG) parse(c *zlexer, o string) *ParseError { - l, _ := c.Next() - name, nameOk := toAbsoluteName(l.token, o) - if l.err || !nameOk { - return &ParseError{"", "bad MG Mg", l} - } - rr.Mg = name - return slurpRemainder(c) -} - -func (rr *HINFO) parse(c *zlexer, o string) *ParseError { - chunks, e := endingToTxtSlice(c, "bad HINFO Fields") - if e != nil { - return e - } - - if ln := len(chunks); ln == 0 { - return 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 nil -} - -func (rr *MINFO) parse(c *zlexer, o string) *ParseError { - l, _ := c.Next() - rmail, rmailOk := toAbsoluteName(l.token, o) - if l.err || !rmailOk { - return &ParseError{"", "bad MINFO Rmail", l} - } - rr.Rmail = rmail - - c.Next() // zBlank - l, _ = c.Next() - rr.Email = l.token - - email, emailOk := toAbsoluteName(l.token, o) - if l.err || !emailOk { - return &ParseError{"", "bad MINFO Email", l} - } - rr.Email = email - - return slurpRemainder(c) -} - -func (rr *MF) parse(c *zlexer, o string) *ParseError { - l, _ := c.Next() - name, nameOk := toAbsoluteName(l.token, o) - if l.err || !nameOk { - return &ParseError{"", "bad MF Mf", l} - } - rr.Mf = name - return slurpRemainder(c) -} - -func (rr *MD) parse(c *zlexer, o string) *ParseError { - l, _ := c.Next() - name, nameOk := toAbsoluteName(l.token, o) - if l.err || !nameOk { - return &ParseError{"", "bad MD Md", l} - } - rr.Md = name - return slurpRemainder(c) -} - -func (rr *MX) parse(c *zlexer, o string) *ParseError { - l, _ := c.Next() - i, e := strconv.ParseUint(l.token, 10, 16) - if e != nil || l.err { - return &ParseError{"", "bad MX Pref", l} - } - rr.Preference = uint16(i) - - c.Next() // zBlank - l, _ = c.Next() // zString - rr.Mx = l.token - - name, nameOk := toAbsoluteName(l.token, o) - if l.err || !nameOk { - return &ParseError{"", "bad MX Mx", l} - } - rr.Mx = name - - return slurpRemainder(c) -} - -func (rr *RT) parse(c *zlexer, o string) *ParseError { - l, _ := c.Next() - i, e := strconv.ParseUint(l.token, 10, 16) - if e != nil { - return &ParseError{"", "bad RT Preference", l} - } - rr.Preference = uint16(i) - - c.Next() // zBlank - l, _ = c.Next() // zString - rr.Host = l.token - - name, nameOk := toAbsoluteName(l.token, o) - if l.err || !nameOk { - return &ParseError{"", "bad RT Host", l} - } - rr.Host = name - - return slurpRemainder(c) -} - -func (rr *AFSDB) parse(c *zlexer, o string) *ParseError { - l, _ := c.Next() - i, e := strconv.ParseUint(l.token, 10, 16) - if e != nil || l.err { - return &ParseError{"", "bad AFSDB Subtype", l} - } - rr.Subtype = uint16(i) - - c.Next() // zBlank - l, _ = c.Next() // zString - rr.Hostname = l.token - - name, nameOk := toAbsoluteName(l.token, o) - if l.err || !nameOk { - return &ParseError{"", "bad AFSDB Hostname", l} - } - rr.Hostname = name - return slurpRemainder(c) -} - -func (rr *X25) parse(c *zlexer, o string) *ParseError { - l, _ := c.Next() - if l.err { - return &ParseError{"", "bad X25 PSDNAddress", l} - } - rr.PSDNAddress = l.token - return slurpRemainder(c) -} - -func (rr *KX) parse(c *zlexer, o string) *ParseError { - l, _ := c.Next() - i, e := strconv.ParseUint(l.token, 10, 16) - if e != nil || l.err { - return &ParseError{"", "bad KX Pref", l} - } - rr.Preference = uint16(i) - - c.Next() // zBlank - l, _ = c.Next() // zString - rr.Exchanger = l.token - - name, nameOk := toAbsoluteName(l.token, o) - if l.err || !nameOk { - return &ParseError{"", "bad KX Exchanger", l} - } - rr.Exchanger = name - return slurpRemainder(c) -} - -func (rr *CNAME) parse(c *zlexer, o string) *ParseError { - l, _ := c.Next() - name, nameOk := toAbsoluteName(l.token, o) - if l.err || !nameOk { - return &ParseError{"", "bad CNAME Target", l} - } - rr.Target = name - return slurpRemainder(c) -} - -func (rr *DNAME) parse(c *zlexer, o string) *ParseError { - l, _ := c.Next() - name, nameOk := toAbsoluteName(l.token, o) - if l.err || !nameOk { - return &ParseError{"", "bad DNAME Target", l} - } - rr.Target = name - return slurpRemainder(c) -} - -func (rr *SOA) parse(c *zlexer, o string) *ParseError { - l, _ := c.Next() - ns, nsOk := toAbsoluteName(l.token, o) - if l.err || !nsOk { - return &ParseError{"", "bad SOA Ns", l} - } - rr.Ns = ns - - c.Next() // zBlank - l, _ = c.Next() - rr.Mbox = l.token - - mbox, mboxOk := toAbsoluteName(l.token, o) - if l.err || !mboxOk { - return &ParseError{"", "bad SOA Mbox", l} - } - rr.Mbox = mbox - - c.Next() // zBlank - - var ( - v uint32 - ok bool - ) - for i := 0; i < 5; i++ { - l, _ = c.Next() - if l.err { - return &ParseError{"", "bad SOA zone parameter", l} - } - if j, err := strconv.ParseUint(l.token, 10, 32); err != nil { - if i == 0 { - // Serial must be a number - return &ParseError{"", "bad SOA zone parameter", l} - } - // We allow other fields to be unitful duration strings - if v, ok = stringToTTL(l.token); !ok { - return &ParseError{"", "bad SOA zone parameter", l} - - } - } else { - v = uint32(j) - } - switch i { - case 0: - rr.Serial = v - c.Next() // zBlank - case 1: - rr.Refresh = v - c.Next() // zBlank - case 2: - rr.Retry = v - c.Next() // zBlank - case 3: - rr.Expire = v - c.Next() // zBlank - case 4: - rr.Minttl = v - } - } - return slurpRemainder(c) -} - -func (rr *SRV) parse(c *zlexer, o string) *ParseError { - l, _ := c.Next() - i, e := strconv.ParseUint(l.token, 10, 16) - if e != nil || l.err { - return &ParseError{"", "bad SRV Priority", l} - } - rr.Priority = uint16(i) - - c.Next() // zBlank - l, _ = c.Next() // zString - i, e1 := strconv.ParseUint(l.token, 10, 16) - if e1 != nil || l.err { - return &ParseError{"", "bad SRV Weight", l} - } - rr.Weight = uint16(i) - - c.Next() // zBlank - l, _ = c.Next() // zString - i, e2 := strconv.ParseUint(l.token, 10, 16) - if e2 != nil || l.err { - return &ParseError{"", "bad SRV Port", l} - } - rr.Port = uint16(i) - - c.Next() // zBlank - l, _ = c.Next() // zString - rr.Target = l.token - - name, nameOk := toAbsoluteName(l.token, o) - if l.err || !nameOk { - return &ParseError{"", "bad SRV Target", l} - } - rr.Target = name - return slurpRemainder(c) -} - -func (rr *NAPTR) parse(c *zlexer, o string) *ParseError { - l, _ := c.Next() - i, e := strconv.ParseUint(l.token, 10, 16) - if e != nil || l.err { - return &ParseError{"", "bad NAPTR Order", l} - } - rr.Order = uint16(i) - - c.Next() // zBlank - l, _ = c.Next() // zString - i, e1 := strconv.ParseUint(l.token, 10, 16) - if e1 != nil || l.err { - return &ParseError{"", "bad NAPTR Preference", l} - } - rr.Preference = uint16(i) - - // Flags - c.Next() // zBlank - l, _ = c.Next() // _QUOTE - if l.value != zQuote { - return &ParseError{"", "bad NAPTR Flags", l} - } - l, _ = c.Next() // Either String or Quote - if l.value == zString { - rr.Flags = l.token - l, _ = c.Next() // _QUOTE - if l.value != zQuote { - return &ParseError{"", "bad NAPTR Flags", l} - } - } else if l.value == zQuote { - rr.Flags = "" - } else { - return &ParseError{"", "bad NAPTR Flags", l} - } - - // Service - c.Next() // zBlank - l, _ = c.Next() // _QUOTE - if l.value != zQuote { - return &ParseError{"", "bad NAPTR Service", l} - } - l, _ = c.Next() // Either String or Quote - if l.value == zString { - rr.Service = l.token - l, _ = c.Next() // _QUOTE - if l.value != zQuote { - return &ParseError{"", "bad NAPTR Service", l} - } - } else if l.value == zQuote { - rr.Service = "" - } else { - return &ParseError{"", "bad NAPTR Service", l} - } - - // Regexp - c.Next() // zBlank - l, _ = c.Next() // _QUOTE - if l.value != zQuote { - return &ParseError{"", "bad NAPTR Regexp", l} - } - l, _ = c.Next() // Either String or Quote - if l.value == zString { - rr.Regexp = l.token - l, _ = c.Next() // _QUOTE - if l.value != zQuote { - return &ParseError{"", "bad NAPTR Regexp", l} - } - } else if l.value == zQuote { - rr.Regexp = "" - } else { - return &ParseError{"", "bad NAPTR Regexp", l} - } - - // After quote no space?? - c.Next() // zBlank - l, _ = c.Next() // zString - rr.Replacement = l.token - - name, nameOk := toAbsoluteName(l.token, o) - if l.err || !nameOk { - return &ParseError{"", "bad NAPTR Replacement", l} - } - rr.Replacement = name - return slurpRemainder(c) -} - -func (rr *TALINK) parse(c *zlexer, o string) *ParseError { - l, _ := c.Next() - previousName, previousNameOk := toAbsoluteName(l.token, o) - if l.err || !previousNameOk { - return &ParseError{"", "bad TALINK PreviousName", l} - } - rr.PreviousName = previousName - - c.Next() // zBlank - l, _ = c.Next() - rr.NextName = l.token - - nextName, nextNameOk := toAbsoluteName(l.token, o) - if l.err || !nextNameOk { - return &ParseError{"", "bad TALINK NextName", l} - } - rr.NextName = nextName - - return slurpRemainder(c) -} - -func (rr *LOC) parse(c *zlexer, o string) *ParseError { - // Non zero defaults for LOC record, see RFC 1876, Section 3. - rr.Size = 0x12 // 1e2 cm (1m) - rr.HorizPre = 0x16 // 1e6 cm (10000m) - rr.VertPre = 0x13 // 1e3 cm (10m) - ok := false - - // North - l, _ := c.Next() - i, e := strconv.ParseUint(l.token, 10, 32) - if e != nil || l.err || i > 90 { - return &ParseError{"", "bad LOC Latitude", l} - } - rr.Latitude = 1000 * 60 * 60 * uint32(i) - - c.Next() // zBlank - // Either number, 'N' or 'S' - l, _ = c.Next() - if rr.Latitude, ok = locCheckNorth(l.token, rr.Latitude); ok { - goto East - } - if i, err := strconv.ParseUint(l.token, 10, 32); err != nil || l.err || i > 59 { - return &ParseError{"", "bad LOC Latitude minutes", l} - } else { - rr.Latitude += 1000 * 60 * uint32(i) - } - - c.Next() // zBlank - l, _ = c.Next() - if i, err := strconv.ParseFloat(l.token, 64); err != nil || l.err || i < 0 || i >= 60 { - return &ParseError{"", "bad LOC Latitude seconds", l} - } else { - rr.Latitude += uint32(1000 * i) - } - c.Next() // zBlank - // Either number, 'N' or 'S' - l, _ = c.Next() - if rr.Latitude, ok = locCheckNorth(l.token, rr.Latitude); ok { - goto East - } - // If still alive, flag an error - return &ParseError{"", "bad LOC Latitude North/South", l} - -East: - // East - c.Next() // zBlank - l, _ = c.Next() - if i, err := strconv.ParseUint(l.token, 10, 32); err != nil || l.err || i > 180 { - return &ParseError{"", "bad LOC Longitude", l} - } else { - rr.Longitude = 1000 * 60 * 60 * uint32(i) - } - c.Next() // zBlank - // Either number, 'E' or 'W' - l, _ = c.Next() - if rr.Longitude, ok = locCheckEast(l.token, rr.Longitude); ok { - goto Altitude - } - if i, err := strconv.ParseUint(l.token, 10, 32); err != nil || l.err || i > 59 { - return &ParseError{"", "bad LOC Longitude minutes", l} - } else { - rr.Longitude += 1000 * 60 * uint32(i) - } - c.Next() // zBlank - l, _ = c.Next() - if i, err := strconv.ParseFloat(l.token, 64); err != nil || l.err || i < 0 || i >= 60 { - return &ParseError{"", "bad LOC Longitude seconds", l} - } else { - rr.Longitude += uint32(1000 * i) - } - c.Next() // zBlank - // Either number, 'E' or 'W' - l, _ = c.Next() - if rr.Longitude, ok = locCheckEast(l.token, rr.Longitude); ok { - goto Altitude - } - // If still alive, flag an error - return &ParseError{"", "bad LOC Longitude East/West", l} - -Altitude: - c.Next() // zBlank - l, _ = c.Next() - if l.token == "" || l.err { - return &ParseError{"", "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, err := strconv.ParseFloat(l.token, 64); err != nil { - return &ParseError{"", "bad LOC Altitude", l} - } else { - rr.Altitude = uint32(i*100.0 + 10000000.0 + 0.5) - } - - // And now optionally the other values - l, _ = c.Next() - count := 0 - for l.value != zNewline && l.value != zEOF { - switch l.value { - case zString: - switch count { - case 0: // Size - exp, m, ok := stringToCm(l.token) - if !ok { - return &ParseError{"", "bad LOC Size", l} - } - rr.Size = exp&0x0f | m<<4&0xf0 - case 1: // HorizPre - exp, m, ok := stringToCm(l.token) - if !ok { - return &ParseError{"", "bad LOC HorizPre", l} - } - rr.HorizPre = exp&0x0f | m<<4&0xf0 - case 2: // VertPre - exp, m, ok := stringToCm(l.token) - if !ok { - return &ParseError{"", "bad LOC VertPre", l} - } - rr.VertPre = exp&0x0f | m<<4&0xf0 - } - count++ - case zBlank: - // Ok - default: - return &ParseError{"", "bad LOC Size, HorizPre or VertPre", l} - } - l, _ = c.Next() - } - return nil -} - -func (rr *HIP) parse(c *zlexer, o string) *ParseError { - // HitLength is not represented - l, _ := c.Next() - i, e := strconv.ParseUint(l.token, 10, 8) - if e != nil || l.err { - return &ParseError{"", "bad HIP PublicKeyAlgorithm", l} - } - rr.PublicKeyAlgorithm = uint8(i) - - c.Next() // zBlank - l, _ = c.Next() // zString - if l.token == "" || l.err { - return &ParseError{"", "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.Next() // zBlank - l, _ = c.Next() // zString - if l.token == "" || l.err { - return &ParseError{"", "bad HIP PublicKey", l} - } - rr.PublicKey = l.token // This cannot contain spaces - decodedPK, decodedPKerr := base64.StdEncoding.DecodeString(rr.PublicKey) - if decodedPKerr != nil { - return &ParseError{"", "bad HIP PublicKey", l} - } - rr.PublicKeyLength = uint16(len(decodedPK)) - - // RendezvousServers (if any) - l, _ = c.Next() - var xs []string - for l.value != zNewline && l.value != zEOF { - switch l.value { - case zString: - name, nameOk := toAbsoluteName(l.token, o) - if l.err || !nameOk { - return &ParseError{"", "bad HIP RendezvousServers", l} - } - xs = append(xs, name) - case zBlank: - // Ok - default: - return &ParseError{"", "bad HIP RendezvousServers", l} - } - l, _ = c.Next() - } - - rr.RendezvousServers = xs - return nil -} - -func (rr *CERT) parse(c *zlexer, o string) *ParseError { - l, _ := c.Next() - if v, ok := StringToCertType[l.token]; ok { - rr.Type = v - } else if i, err := strconv.ParseUint(l.token, 10, 16); err != nil { - return &ParseError{"", "bad CERT Type", l} - } else { - rr.Type = uint16(i) - } - c.Next() // zBlank - l, _ = c.Next() // zString - i, e := strconv.ParseUint(l.token, 10, 16) - if e != nil || l.err { - return &ParseError{"", "bad CERT KeyTag", l} - } - rr.KeyTag = uint16(i) - c.Next() // zBlank - l, _ = c.Next() // zString - if v, ok := StringToAlgorithm[l.token]; ok { - rr.Algorithm = v - } else if i, err := strconv.ParseUint(l.token, 10, 8); err != nil { - return &ParseError{"", "bad CERT Algorithm", l} - } else { - rr.Algorithm = uint8(i) - } - s, e1 := endingToString(c, "bad CERT Certificate") - if e1 != nil { - return e1 - } - rr.Certificate = s - return nil -} - -func (rr *OPENPGPKEY) parse(c *zlexer, o string) *ParseError { - s, e := endingToString(c, "bad OPENPGPKEY PublicKey") - if e != nil { - return e - } - rr.PublicKey = s - return nil -} - -func (rr *CSYNC) parse(c *zlexer, o string) *ParseError { - l, _ := c.Next() - j, e := strconv.ParseUint(l.token, 10, 32) - if e != nil { - // Serial must be a number - return &ParseError{"", "bad CSYNC serial", l} - } - rr.Serial = uint32(j) - - c.Next() // zBlank - - l, _ = c.Next() - j, e1 := strconv.ParseUint(l.token, 10, 16) - if e1 != nil { - // Serial must be a number - return &ParseError{"", "bad CSYNC flags", l} - } - rr.Flags = uint16(j) - - rr.TypeBitMap = make([]uint16, 0) - var ( - k uint16 - ok bool - ) - l, _ = c.Next() - for l.value != zNewline && l.value != zEOF { - switch l.value { - case zBlank: - // Ok - case zString: - tokenUpper := strings.ToUpper(l.token) - if k, ok = StringToType[tokenUpper]; !ok { - if k, ok = typeToInt(l.token); !ok { - return &ParseError{"", "bad CSYNC TypeBitMap", l} - } - } - rr.TypeBitMap = append(rr.TypeBitMap, k) - default: - return &ParseError{"", "bad CSYNC TypeBitMap", l} - } - l, _ = c.Next() - } - return nil -} - -func (rr *ZONEMD) parse(c *zlexer, o string) *ParseError { - l, _ := c.Next() - i, e := strconv.ParseUint(l.token, 10, 32) - if e != nil || l.err { - return &ParseError{"", "bad ZONEMD Serial", l} - } - rr.Serial = uint32(i) - - c.Next() // zBlank - l, _ = c.Next() - i, e1 := strconv.ParseUint(l.token, 10, 8) - if e1 != nil || l.err { - return &ParseError{"", "bad ZONEMD Scheme", l} - } - rr.Scheme = uint8(i) - - c.Next() // zBlank - l, _ = c.Next() - i, err := strconv.ParseUint(l.token, 10, 8) - if err != nil || l.err { - return &ParseError{"", "bad ZONEMD Hash Algorithm", l} - } - rr.Hash = uint8(i) - - s, e2 := endingToString(c, "bad ZONEMD Digest") - if e2 != nil { - return e2 - } - rr.Digest = s - return nil -} - -func (rr *SIG) parse(c *zlexer, o string) *ParseError { return rr.RRSIG.parse(c, o) } - -func (rr *RRSIG) parse(c *zlexer, o string) *ParseError { - l, _ := c.Next() - tokenUpper := strings.ToUpper(l.token) - if t, ok := StringToType[tokenUpper]; !ok { - if strings.HasPrefix(tokenUpper, "TYPE") { - t, ok = typeToInt(l.token) - if !ok { - return &ParseError{"", "bad RRSIG Typecovered", l} - } - rr.TypeCovered = t - } else { - return &ParseError{"", "bad RRSIG Typecovered", l} - } - } else { - rr.TypeCovered = t - } - - c.Next() // zBlank - l, _ = c.Next() - i, e := strconv.ParseUint(l.token, 10, 8) - if e != nil || l.err { - return &ParseError{"", "bad RRSIG Algorithm", l} - } - rr.Algorithm = uint8(i) - - c.Next() // zBlank - l, _ = c.Next() - i, e1 := strconv.ParseUint(l.token, 10, 8) - if e1 != nil || l.err { - return &ParseError{"", "bad RRSIG Labels", l} - } - rr.Labels = uint8(i) - - c.Next() // zBlank - l, _ = c.Next() - i, e2 := strconv.ParseUint(l.token, 10, 32) - if e2 != nil || l.err { - return &ParseError{"", "bad RRSIG OrigTtl", l} - } - rr.OrigTtl = uint32(i) - - c.Next() // zBlank - l, _ = c.Next() - if i, err := StringToTime(l.token); err != nil { - // Try to see if all numeric and use it as epoch - if i, err := strconv.ParseUint(l.token, 10, 32); err == nil { - rr.Expiration = uint32(i) - } else { - return &ParseError{"", "bad RRSIG Expiration", l} - } - } else { - rr.Expiration = i - } - - c.Next() // zBlank - l, _ = c.Next() - if i, err := StringToTime(l.token); err != nil { - if i, err := strconv.ParseUint(l.token, 10, 32); err == nil { - rr.Inception = uint32(i) - } else { - return &ParseError{"", "bad RRSIG Inception", l} - } - } else { - rr.Inception = i - } - - c.Next() // zBlank - l, _ = c.Next() - i, e3 := strconv.ParseUint(l.token, 10, 16) - if e3 != nil || l.err { - return &ParseError{"", "bad RRSIG KeyTag", l} - } - rr.KeyTag = uint16(i) - - c.Next() // zBlank - l, _ = c.Next() - rr.SignerName = l.token - name, nameOk := toAbsoluteName(l.token, o) - if l.err || !nameOk { - return &ParseError{"", "bad RRSIG SignerName", l} - } - rr.SignerName = name - - s, e4 := endingToString(c, "bad RRSIG Signature") - if e4 != nil { - return e4 - } - rr.Signature = s - - return nil -} - -func (rr *NSEC) parse(c *zlexer, o string) *ParseError { - l, _ := c.Next() - name, nameOk := toAbsoluteName(l.token, o) - if l.err || !nameOk { - return &ParseError{"", "bad NSEC NextDomain", l} - } - rr.NextDomain = name - - rr.TypeBitMap = make([]uint16, 0) - var ( - k uint16 - ok bool - ) - l, _ = c.Next() - for l.value != zNewline && l.value != zEOF { - switch l.value { - case zBlank: - // Ok - case zString: - tokenUpper := strings.ToUpper(l.token) - if k, ok = StringToType[tokenUpper]; !ok { - if k, ok = typeToInt(l.token); !ok { - return &ParseError{"", "bad NSEC TypeBitMap", l} - } - } - rr.TypeBitMap = append(rr.TypeBitMap, k) - default: - return &ParseError{"", "bad NSEC TypeBitMap", l} - } - l, _ = c.Next() - } - return nil -} - -func (rr *NSEC3) parse(c *zlexer, o string) *ParseError { - l, _ := c.Next() - i, e := strconv.ParseUint(l.token, 10, 8) - if e != nil || l.err { - return &ParseError{"", "bad NSEC3 Hash", l} - } - rr.Hash = uint8(i) - c.Next() // zBlank - l, _ = c.Next() - i, e1 := strconv.ParseUint(l.token, 10, 8) - if e1 != nil || l.err { - return &ParseError{"", "bad NSEC3 Flags", l} - } - rr.Flags = uint8(i) - c.Next() // zBlank - l, _ = c.Next() - i, e2 := strconv.ParseUint(l.token, 10, 16) - if e2 != nil || l.err { - return &ParseError{"", "bad NSEC3 Iterations", l} - } - rr.Iterations = uint16(i) - c.Next() - l, _ = c.Next() - if l.token == "" || l.err { - return &ParseError{"", "bad NSEC3 Salt", l} - } - if l.token != "-" { - rr.SaltLength = uint8(len(l.token)) / 2 - rr.Salt = l.token - } - - c.Next() - l, _ = c.Next() - if l.token == "" || l.err { - return &ParseError{"", "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.Next() - for l.value != zNewline && l.value != zEOF { - switch l.value { - case zBlank: - // Ok - case zString: - tokenUpper := strings.ToUpper(l.token) - if k, ok = StringToType[tokenUpper]; !ok { - if k, ok = typeToInt(l.token); !ok { - return &ParseError{"", "bad NSEC3 TypeBitMap", l} - } - } - rr.TypeBitMap = append(rr.TypeBitMap, k) - default: - return &ParseError{"", "bad NSEC3 TypeBitMap", l} - } - l, _ = c.Next() - } - return nil -} - -func (rr *NSEC3PARAM) parse(c *zlexer, o string) *ParseError { - l, _ := c.Next() - i, e := strconv.ParseUint(l.token, 10, 8) - if e != nil || l.err { - return &ParseError{"", "bad NSEC3PARAM Hash", l} - } - rr.Hash = uint8(i) - c.Next() // zBlank - l, _ = c.Next() - i, e1 := strconv.ParseUint(l.token, 10, 8) - if e1 != nil || l.err { - return &ParseError{"", "bad NSEC3PARAM Flags", l} - } - rr.Flags = uint8(i) - c.Next() // zBlank - l, _ = c.Next() - i, e2 := strconv.ParseUint(l.token, 10, 16) - if e2 != nil || l.err { - return &ParseError{"", "bad NSEC3PARAM Iterations", l} - } - rr.Iterations = uint16(i) - c.Next() - l, _ = c.Next() - if l.token != "-" { - rr.SaltLength = uint8(len(l.token) / 2) - rr.Salt = l.token - } - return slurpRemainder(c) -} - -func (rr *EUI48) parse(c *zlexer, o string) *ParseError { - l, _ := c.Next() - if len(l.token) != 17 || l.err { - return &ParseError{"", "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 &ParseError{"", "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 &ParseError{"", "bad EUI48 Address", l} - } - rr.Address = i - return slurpRemainder(c) -} - -func (rr *EUI64) parse(c *zlexer, o string) *ParseError { - l, _ := c.Next() - if len(l.token) != 23 || l.err { - return &ParseError{"", "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 &ParseError{"", "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 &ParseError{"", "bad EUI68 Address", l} - } - rr.Address = i - return slurpRemainder(c) -} - -func (rr *SSHFP) parse(c *zlexer, o string) *ParseError { - l, _ := c.Next() - i, e := strconv.ParseUint(l.token, 10, 8) - if e != nil || l.err { - return &ParseError{"", "bad SSHFP Algorithm", l} - } - rr.Algorithm = uint8(i) - c.Next() // zBlank - l, _ = c.Next() - i, e1 := strconv.ParseUint(l.token, 10, 8) - if e1 != nil || l.err { - return &ParseError{"", "bad SSHFP Type", l} - } - rr.Type = uint8(i) - c.Next() // zBlank - s, e2 := endingToString(c, "bad SSHFP Fingerprint") - if e2 != nil { - return e2 - } - rr.FingerPrint = s - return nil -} - -func (rr *DNSKEY) parseDNSKEY(c *zlexer, o, typ string) *ParseError { - l, _ := c.Next() - i, e := strconv.ParseUint(l.token, 10, 16) - if e != nil || l.err { - return &ParseError{"", "bad " + typ + " Flags", l} - } - rr.Flags = uint16(i) - c.Next() // zBlank - l, _ = c.Next() // zString - i, e1 := strconv.ParseUint(l.token, 10, 8) - if e1 != nil || l.err { - return &ParseError{"", "bad " + typ + " Protocol", l} - } - rr.Protocol = uint8(i) - c.Next() // zBlank - l, _ = c.Next() // zString - i, e2 := strconv.ParseUint(l.token, 10, 8) - if e2 != nil || l.err { - return &ParseError{"", "bad " + typ + " Algorithm", l} - } - rr.Algorithm = uint8(i) - s, e3 := endingToString(c, "bad "+typ+" PublicKey") - if e3 != nil { - return e3 - } - rr.PublicKey = s - return nil -} - -func (rr *DNSKEY) parse(c *zlexer, o string) *ParseError { return rr.parseDNSKEY(c, o, "DNSKEY") } -func (rr *KEY) parse(c *zlexer, o string) *ParseError { return rr.parseDNSKEY(c, o, "KEY") } -func (rr *CDNSKEY) parse(c *zlexer, o string) *ParseError { return rr.parseDNSKEY(c, o, "CDNSKEY") } -func (rr *DS) parse(c *zlexer, o string) *ParseError { return rr.parseDS(c, o, "DS") } -func (rr *DLV) parse(c *zlexer, o string) *ParseError { return rr.parseDS(c, o, "DLV") } -func (rr *CDS) parse(c *zlexer, o string) *ParseError { return rr.parseDS(c, o, "CDS") } - -func (rr *RKEY) parse(c *zlexer, o string) *ParseError { - l, _ := c.Next() - i, e := strconv.ParseUint(l.token, 10, 16) - if e != nil || l.err { - return &ParseError{"", "bad RKEY Flags", l} - } - rr.Flags = uint16(i) - c.Next() // zBlank - l, _ = c.Next() // zString - i, e1 := strconv.ParseUint(l.token, 10, 8) - if e1 != nil || l.err { - return &ParseError{"", "bad RKEY Protocol", l} - } - rr.Protocol = uint8(i) - c.Next() // zBlank - l, _ = c.Next() // zString - i, e2 := strconv.ParseUint(l.token, 10, 8) - if e2 != nil || l.err { - return &ParseError{"", "bad RKEY Algorithm", l} - } - rr.Algorithm = uint8(i) - s, e3 := endingToString(c, "bad RKEY PublicKey") - if e3 != nil { - return e3 - } - rr.PublicKey = s - return nil -} - -func (rr *EID) parse(c *zlexer, o string) *ParseError { - s, e := endingToString(c, "bad EID Endpoint") - if e != nil { - return e - } - rr.Endpoint = s - return nil -} - -func (rr *NIMLOC) parse(c *zlexer, o string) *ParseError { - s, e := endingToString(c, "bad NIMLOC Locator") - if e != nil { - return e - } - rr.Locator = s - return nil -} - -func (rr *GPOS) parse(c *zlexer, o string) *ParseError { - l, _ := c.Next() - _, e := strconv.ParseFloat(l.token, 64) - if e != nil || l.err { - return &ParseError{"", "bad GPOS Longitude", l} - } - rr.Longitude = l.token - c.Next() // zBlank - l, _ = c.Next() - _, e1 := strconv.ParseFloat(l.token, 64) - if e1 != nil || l.err { - return &ParseError{"", "bad GPOS Latitude", l} - } - rr.Latitude = l.token - c.Next() // zBlank - l, _ = c.Next() - _, e2 := strconv.ParseFloat(l.token, 64) - if e2 != nil || l.err { - return &ParseError{"", "bad GPOS Altitude", l} - } - rr.Altitude = l.token - return slurpRemainder(c) -} - -func (rr *DS) parseDS(c *zlexer, o, typ string) *ParseError { - l, _ := c.Next() - i, e := strconv.ParseUint(l.token, 10, 16) - if e != nil || l.err { - return &ParseError{"", "bad " + typ + " KeyTag", l} - } - rr.KeyTag = uint16(i) - c.Next() // zBlank - l, _ = c.Next() - if i, err := strconv.ParseUint(l.token, 10, 8); err != nil { - tokenUpper := strings.ToUpper(l.token) - i, ok := StringToAlgorithm[tokenUpper] - if !ok || l.err { - return &ParseError{"", "bad " + typ + " Algorithm", l} - } - rr.Algorithm = i - } else { - rr.Algorithm = uint8(i) - } - c.Next() // zBlank - l, _ = c.Next() - i, e1 := strconv.ParseUint(l.token, 10, 8) - if e1 != nil || l.err { - return &ParseError{"", "bad " + typ + " DigestType", l} - } - rr.DigestType = uint8(i) - s, e2 := endingToString(c, "bad "+typ+" Digest") - if e2 != nil { - return e2 - } - rr.Digest = s - return nil -} - -func (rr *TA) parse(c *zlexer, o string) *ParseError { - l, _ := c.Next() - i, e := strconv.ParseUint(l.token, 10, 16) - if e != nil || l.err { - return &ParseError{"", "bad TA KeyTag", l} - } - rr.KeyTag = uint16(i) - c.Next() // zBlank - l, _ = c.Next() - if i, err := strconv.ParseUint(l.token, 10, 8); err != nil { - tokenUpper := strings.ToUpper(l.token) - i, ok := StringToAlgorithm[tokenUpper] - if !ok || l.err { - return &ParseError{"", "bad TA Algorithm", l} - } - rr.Algorithm = i - } else { - rr.Algorithm = uint8(i) - } - c.Next() // zBlank - l, _ = c.Next() - i, e1 := strconv.ParseUint(l.token, 10, 8) - if e1 != nil || l.err { - return &ParseError{"", "bad TA DigestType", l} - } - rr.DigestType = uint8(i) - s, e2 := endingToString(c, "bad TA Digest") - if e2 != nil { - return e2 - } - rr.Digest = s - return nil -} - -func (rr *TLSA) parse(c *zlexer, o string) *ParseError { - l, _ := c.Next() - i, e := strconv.ParseUint(l.token, 10, 8) - if e != nil || l.err { - return &ParseError{"", "bad TLSA Usage", l} - } - rr.Usage = uint8(i) - c.Next() // zBlank - l, _ = c.Next() - i, e1 := strconv.ParseUint(l.token, 10, 8) - if e1 != nil || l.err { - return &ParseError{"", "bad TLSA Selector", l} - } - rr.Selector = uint8(i) - c.Next() // zBlank - l, _ = c.Next() - i, e2 := strconv.ParseUint(l.token, 10, 8) - if e2 != nil || l.err { - return &ParseError{"", "bad TLSA MatchingType", l} - } - rr.MatchingType = uint8(i) - // So this needs be e2 (i.e. different than e), because...??t - s, e3 := endingToString(c, "bad TLSA Certificate") - if e3 != nil { - return e3 - } - rr.Certificate = s - return nil -} - -func (rr *SMIMEA) parse(c *zlexer, o string) *ParseError { - l, _ := c.Next() - i, e := strconv.ParseUint(l.token, 10, 8) - if e != nil || l.err { - return &ParseError{"", "bad SMIMEA Usage", l} - } - rr.Usage = uint8(i) - c.Next() // zBlank - l, _ = c.Next() - i, e1 := strconv.ParseUint(l.token, 10, 8) - if e1 != nil || l.err { - return &ParseError{"", "bad SMIMEA Selector", l} - } - rr.Selector = uint8(i) - c.Next() // zBlank - l, _ = c.Next() - i, e2 := strconv.ParseUint(l.token, 10, 8) - if e2 != nil || l.err { - return &ParseError{"", "bad SMIMEA MatchingType", l} - } - rr.MatchingType = uint8(i) - // So this needs be e2 (i.e. different than e), because...??t - s, e3 := endingToString(c, "bad SMIMEA Certificate") - if e3 != nil { - return e3 - } - rr.Certificate = s - return nil -} - -func (rr *RFC3597) parse(c *zlexer, o string) *ParseError { - l, _ := c.Next() - if l.token != "\\#" { - return &ParseError{"", "bad RFC3597 Rdata", l} - } - - c.Next() // zBlank - l, _ = c.Next() - rdlength, e := strconv.ParseUint(l.token, 10, 16) - if e != nil || l.err { - return &ParseError{"", "bad RFC3597 Rdata ", l} - } - - s, e1 := endingToString(c, "bad RFC3597 Rdata") - if e1 != nil { - return e1 - } - if int(rdlength)*2 != len(s) { - return &ParseError{"", "bad RFC3597 Rdata", l} - } - rr.Rdata = s - return nil -} - -func (rr *SPF) parse(c *zlexer, o string) *ParseError { - s, e := endingToTxtSlice(c, "bad SPF Txt") - if e != nil { - return e - } - rr.Txt = s - return nil -} - -func (rr *AVC) parse(c *zlexer, o string) *ParseError { - s, e := endingToTxtSlice(c, "bad AVC Txt") - if e != nil { - return e - } - rr.Txt = s - return nil -} - -func (rr *TXT) parse(c *zlexer, o string) *ParseError { - // no zBlank reading here, because all this rdata is TXT - s, e := endingToTxtSlice(c, "bad TXT Txt") - if e != nil { - return e - } - rr.Txt = s - return nil -} - -// identical to setTXT -func (rr *NINFO) parse(c *zlexer, o string) *ParseError { - s, e := endingToTxtSlice(c, "bad NINFO ZSData") - if e != nil { - return e - } - rr.ZSData = s - return nil -} - -func (rr *URI) parse(c *zlexer, o string) *ParseError { - l, _ := c.Next() - i, e := strconv.ParseUint(l.token, 10, 16) - if e != nil || l.err { - return &ParseError{"", "bad URI Priority", l} - } - rr.Priority = uint16(i) - c.Next() // zBlank - l, _ = c.Next() - i, e1 := strconv.ParseUint(l.token, 10, 16) - if e1 != nil || l.err { - return &ParseError{"", "bad URI Weight", l} - } - rr.Weight = uint16(i) - - c.Next() // zBlank - s, e2 := endingToTxtSlice(c, "bad URI Target") - if e2 != nil { - return e2 - } - if len(s) != 1 { - return &ParseError{"", "bad URI Target", l} - } - rr.Target = s[0] - return nil -} - -func (rr *DHCID) parse(c *zlexer, o string) *ParseError { - // awesome record to parse! - s, e := endingToString(c, "bad DHCID Digest") - if e != nil { - return e - } - rr.Digest = s - return nil -} - -func (rr *NID) parse(c *zlexer, o string) *ParseError { - l, _ := c.Next() - i, e := strconv.ParseUint(l.token, 10, 16) - if e != nil || l.err { - return &ParseError{"", "bad NID Preference", l} - } - rr.Preference = uint16(i) - c.Next() // zBlank - l, _ = c.Next() // zString - u, e1 := stringToNodeID(l) - if e1 != nil || l.err { - return e1 - } - rr.NodeID = u - return slurpRemainder(c) -} - -func (rr *L32) parse(c *zlexer, o string) *ParseError { - l, _ := c.Next() - i, e := strconv.ParseUint(l.token, 10, 16) - if e != nil || l.err { - return &ParseError{"", "bad L32 Preference", l} - } - rr.Preference = uint16(i) - c.Next() // zBlank - l, _ = c.Next() // zString - rr.Locator32 = net.ParseIP(l.token) - if rr.Locator32 == nil || l.err { - return &ParseError{"", "bad L32 Locator", l} - } - return slurpRemainder(c) -} - -func (rr *LP) parse(c *zlexer, o string) *ParseError { - l, _ := c.Next() - i, e := strconv.ParseUint(l.token, 10, 16) - if e != nil || l.err { - return &ParseError{"", "bad LP Preference", l} - } - rr.Preference = uint16(i) - - c.Next() // zBlank - l, _ = c.Next() // zString - rr.Fqdn = l.token - name, nameOk := toAbsoluteName(l.token, o) - if l.err || !nameOk { - return &ParseError{"", "bad LP Fqdn", l} - } - rr.Fqdn = name - return slurpRemainder(c) -} - -func (rr *L64) parse(c *zlexer, o string) *ParseError { - l, _ := c.Next() - i, e := strconv.ParseUint(l.token, 10, 16) - if e != nil || l.err { - return &ParseError{"", "bad L64 Preference", l} - } - rr.Preference = uint16(i) - c.Next() // zBlank - l, _ = c.Next() // zString - u, e1 := stringToNodeID(l) - if e1 != nil || l.err { - return e1 - } - rr.Locator64 = u - return slurpRemainder(c) -} - -func (rr *UID) parse(c *zlexer, o string) *ParseError { - l, _ := c.Next() - i, e := strconv.ParseUint(l.token, 10, 32) - if e != nil || l.err { - return &ParseError{"", "bad UID Uid", l} - } - rr.Uid = uint32(i) - return slurpRemainder(c) -} - -func (rr *GID) parse(c *zlexer, o string) *ParseError { - l, _ := c.Next() - i, e := strconv.ParseUint(l.token, 10, 32) - if e != nil || l.err { - return &ParseError{"", "bad GID Gid", l} - } - rr.Gid = uint32(i) - return slurpRemainder(c) -} - -func (rr *UINFO) parse(c *zlexer, o string) *ParseError { - s, e := endingToTxtSlice(c, "bad UINFO Uinfo") - if e != nil { - return e - } - if ln := len(s); ln == 0 { - return nil - } - rr.Uinfo = s[0] // silently discard anything after the first character-string - return nil -} - -func (rr *PX) parse(c *zlexer, o string) *ParseError { - l, _ := c.Next() - i, e := strconv.ParseUint(l.token, 10, 16) - if e != nil || l.err { - return &ParseError{"", "bad PX Preference", l} - } - rr.Preference = uint16(i) - - c.Next() // zBlank - l, _ = c.Next() // zString - rr.Map822 = l.token - map822, map822Ok := toAbsoluteName(l.token, o) - if l.err || !map822Ok { - return &ParseError{"", "bad PX Map822", l} - } - rr.Map822 = map822 - - c.Next() // zBlank - l, _ = c.Next() // zString - rr.Mapx400 = l.token - mapx400, mapx400Ok := toAbsoluteName(l.token, o) - if l.err || !mapx400Ok { - return &ParseError{"", "bad PX Mapx400", l} - } - rr.Mapx400 = mapx400 - return slurpRemainder(c) -} - -func (rr *CAA) parse(c *zlexer, o string) *ParseError { - l, _ := c.Next() - i, e := strconv.ParseUint(l.token, 10, 8) - if e != nil || l.err { - return &ParseError{"", "bad CAA Flag", l} - } - rr.Flag = uint8(i) - - c.Next() // zBlank - l, _ = c.Next() // zString - if l.value != zString { - return &ParseError{"", "bad CAA Tag", l} - } - rr.Tag = l.token - - c.Next() // zBlank - s, e1 := endingToTxtSlice(c, "bad CAA Value") - if e1 != nil { - return e1 - } - if len(s) != 1 { - return &ParseError{"", "bad CAA Value", l} - } - rr.Value = s[0] - return nil -} - -func (rr *TKEY) parse(c *zlexer, o string) *ParseError { - l, _ := c.Next() - - // Algorithm - if l.value != zString { - return &ParseError{"", "bad TKEY algorithm", l} - } - rr.Algorithm = l.token - c.Next() // zBlank - - // Get the key length and key values - l, _ = c.Next() - i, e := strconv.ParseUint(l.token, 10, 8) - if e != nil || l.err { - return &ParseError{"", "bad TKEY key length", l} - } - rr.KeySize = uint16(i) - c.Next() // zBlank - l, _ = c.Next() - if l.value != zString { - return &ParseError{"", "bad TKEY key", l} - } - rr.Key = l.token - c.Next() // zBlank - - // Get the otherdata length and string data - l, _ = c.Next() - i, e1 := strconv.ParseUint(l.token, 10, 8) - if e1 != nil || l.err { - return &ParseError{"", "bad TKEY otherdata length", l} - } - rr.OtherLen = uint16(i) - c.Next() // zBlank - l, _ = c.Next() - if l.value != zString { - return &ParseError{"", "bad TKEY otherday", l} - } - rr.OtherData = l.token - return nil -} - -func (rr *APL) parse(c *zlexer, o string) *ParseError { - var prefixes []APLPrefix - - for { - l, _ := c.Next() - if l.value == zNewline || l.value == zEOF { - break - } - if l.value == zBlank && prefixes != nil { - continue - } - if l.value != zString { - return &ParseError{"", "unexpected APL field", l} - } - - // Expected format: [!]afi:address/prefix - - colon := strings.IndexByte(l.token, ':') - if colon == -1 { - return &ParseError{"", "missing colon in APL field", l} - } - - family, cidr := l.token[:colon], l.token[colon+1:] - - var negation bool - if family != "" && family[0] == '!' { - negation = true - family = family[1:] - } - - afi, e := strconv.ParseUint(family, 10, 16) - if e != nil { - return &ParseError{"", "failed to parse APL family: " + e.Error(), l} - } - var addrLen int - switch afi { - case 1: - addrLen = net.IPv4len - case 2: - addrLen = net.IPv6len - default: - return &ParseError{"", "unrecognized APL family", l} - } - - ip, subnet, e1 := net.ParseCIDR(cidr) - if e1 != nil { - return &ParseError{"", "failed to parse APL address: " + e1.Error(), l} - } - if !ip.Equal(subnet.IP) { - return &ParseError{"", "extra bits in APL address", l} - } - - if len(subnet.IP) != addrLen { - return &ParseError{"", "address mismatch with the APL family", l} - } - - prefixes = append(prefixes, APLPrefix{ - Negation: negation, - Network: *subnet, - }) - } - - rr.Prefixes = prefixes - return nil -} |