2210 lines
50 KiB
Go
2210 lines
50 KiB
Go
package dns
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import (
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"encoding/base64"
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"net"
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"strconv"
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"strings"
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)
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type parserFunc struct {
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// Func defines the function that parses the tokens and returns the RR
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// or an error. The last string contains any comments in the line as
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// they returned by the lexer as well.
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Func func(h RR_Header, c *zlexer, origin string, file string) (RR, *ParseError, string)
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// Signals if the RR ending is of variable length, like TXT or records
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// that have Hexadecimal or Base64 as their last element in the Rdata. Records
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// that have a fixed ending or for instance A, AAAA, SOA and etc.
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Variable bool
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}
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// Parse the rdata of each rrtype.
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// All data from the channel c is either zString or zBlank.
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// After the rdata there may come a zBlank and then a zNewline
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// or immediately a zNewline. If this is not the case we flag
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// an *ParseError: garbage after rdata.
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func setRR(h RR_Header, c *zlexer, o, f string) (RR, *ParseError, string) {
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parserfunc, ok := typeToparserFunc[h.Rrtype]
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if ok {
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r, e, cm := parserfunc.Func(h, c, o, f)
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if parserfunc.Variable {
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return r, e, cm
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}
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if e != nil {
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return nil, e, ""
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}
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e, cm = slurpRemainder(c, f)
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if e != nil {
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return nil, e, ""
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}
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return r, nil, cm
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}
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// RFC3957 RR (Unknown RR handling)
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return setRFC3597(h, c, o, f)
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}
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// A remainder of the rdata with embedded spaces, return the parsed string (sans the spaces)
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// or an error
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func endingToString(c *zlexer, errstr, f string) (string, *ParseError, string) {
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s := ""
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l, _ := c.Next() // zString
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for l.value != zNewline && l.value != zEOF {
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if l.err {
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return s, &ParseError{f, errstr, l}, ""
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}
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switch l.value {
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case zString:
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s += l.token
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case zBlank: // Ok
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default:
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return "", &ParseError{f, errstr, l}, ""
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}
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l, _ = c.Next()
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}
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return s, nil, l.comment
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}
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// A remainder of the rdata with embedded spaces, split on unquoted whitespace
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// and return the parsed string slice or an error
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func endingToTxtSlice(c *zlexer, errstr, f string) ([]string, *ParseError, string) {
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// Get the remaining data until we see a zNewline
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l, _ := c.Next()
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if l.err {
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return nil, &ParseError{f, errstr, l}, ""
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}
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// Build the slice
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s := make([]string, 0)
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quote := false
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empty := false
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for l.value != zNewline && l.value != zEOF {
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if l.err {
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return nil, &ParseError{f, errstr, l}, ""
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}
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switch l.value {
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case zString:
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empty = false
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if len(l.token) > 255 {
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// split up tokens that are larger than 255 into 255-chunks
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sx := []string{}
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p, i := 0, 255
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for {
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if i <= len(l.token) {
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sx = append(sx, l.token[p:i])
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} else {
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sx = append(sx, l.token[p:])
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break
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}
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p, i = p+255, i+255
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}
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s = append(s, sx...)
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break
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}
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s = append(s, l.token)
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case zBlank:
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if quote {
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// zBlank can only be seen in between txt parts.
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return nil, &ParseError{f, errstr, l}, ""
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}
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case zQuote:
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if empty && quote {
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s = append(s, "")
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}
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quote = !quote
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empty = true
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default:
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return nil, &ParseError{f, errstr, l}, ""
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}
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l, _ = c.Next()
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}
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if quote {
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return nil, &ParseError{f, errstr, l}, ""
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}
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return s, nil, l.comment
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}
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func setA(h RR_Header, c *zlexer, o, f string) (RR, *ParseError, string) {
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rr := new(A)
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rr.Hdr = h
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l, _ := c.Next()
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if len(l.token) == 0 { // dynamic update rr.
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return rr, nil, ""
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}
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rr.A = net.ParseIP(l.token)
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if rr.A == nil || l.err {
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return nil, &ParseError{f, "bad A A", l}, ""
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}
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return rr, nil, ""
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}
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func setAAAA(h RR_Header, c *zlexer, o, f string) (RR, *ParseError, string) {
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rr := new(AAAA)
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rr.Hdr = h
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l, _ := c.Next()
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if len(l.token) == 0 { // dynamic update rr.
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return rr, nil, ""
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}
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rr.AAAA = net.ParseIP(l.token)
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if rr.AAAA == nil || l.err {
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return nil, &ParseError{f, "bad AAAA AAAA", l}, ""
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}
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return rr, nil, ""
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}
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func setNS(h RR_Header, c *zlexer, o, f string) (RR, *ParseError, string) {
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rr := new(NS)
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rr.Hdr = h
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l, _ := c.Next()
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rr.Ns = l.token
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if len(l.token) == 0 { // dynamic update rr.
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return rr, nil, ""
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}
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name, nameOk := toAbsoluteName(l.token, o)
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if l.err || !nameOk {
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return nil, &ParseError{f, "bad NS Ns", l}, ""
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}
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rr.Ns = name
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return rr, nil, ""
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}
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func setPTR(h RR_Header, c *zlexer, o, f string) (RR, *ParseError, string) {
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rr := new(PTR)
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rr.Hdr = h
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l, _ := c.Next()
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rr.Ptr = l.token
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if len(l.token) == 0 { // dynamic update rr.
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return rr, nil, ""
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}
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name, nameOk := toAbsoluteName(l.token, o)
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if l.err || !nameOk {
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return nil, &ParseError{f, "bad PTR Ptr", l}, ""
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}
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rr.Ptr = name
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return rr, nil, ""
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}
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func setNSAPPTR(h RR_Header, c *zlexer, o, f string) (RR, *ParseError, string) {
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rr := new(NSAPPTR)
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rr.Hdr = h
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l, _ := c.Next()
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rr.Ptr = l.token
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if len(l.token) == 0 { // dynamic update rr.
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return rr, nil, ""
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}
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name, nameOk := toAbsoluteName(l.token, o)
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if l.err || !nameOk {
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return nil, &ParseError{f, "bad NSAP-PTR Ptr", l}, ""
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}
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rr.Ptr = name
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return rr, nil, ""
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}
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func setRP(h RR_Header, c *zlexer, o, f string) (RR, *ParseError, string) {
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rr := new(RP)
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rr.Hdr = h
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l, _ := c.Next()
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rr.Mbox = l.token
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if len(l.token) == 0 { // dynamic update rr.
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return rr, nil, ""
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}
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mbox, mboxOk := toAbsoluteName(l.token, o)
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if l.err || !mboxOk {
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return nil, &ParseError{f, "bad RP Mbox", l}, ""
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}
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rr.Mbox = mbox
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c.Next() // zBlank
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l, _ = c.Next()
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rr.Txt = l.token
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txt, txtOk := toAbsoluteName(l.token, o)
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if l.err || !txtOk {
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return nil, &ParseError{f, "bad RP Txt", l}, ""
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}
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rr.Txt = txt
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return rr, nil, ""
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}
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func setMR(h RR_Header, c *zlexer, o, f string) (RR, *ParseError, string) {
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rr := new(MR)
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rr.Hdr = h
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l, _ := c.Next()
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rr.Mr = l.token
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if len(l.token) == 0 { // dynamic update rr.
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return rr, nil, ""
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}
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name, nameOk := toAbsoluteName(l.token, o)
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if l.err || !nameOk {
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return nil, &ParseError{f, "bad MR Mr", l}, ""
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}
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rr.Mr = name
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return rr, nil, ""
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}
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func setMB(h RR_Header, c *zlexer, o, f string) (RR, *ParseError, string) {
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rr := new(MB)
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rr.Hdr = h
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l, _ := c.Next()
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rr.Mb = l.token
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if len(l.token) == 0 { // dynamic update rr.
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return rr, nil, ""
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}
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name, nameOk := toAbsoluteName(l.token, o)
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if l.err || !nameOk {
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return nil, &ParseError{f, "bad MB Mb", l}, ""
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}
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rr.Mb = name
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return rr, nil, ""
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}
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func setMG(h RR_Header, c *zlexer, o, f string) (RR, *ParseError, string) {
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rr := new(MG)
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rr.Hdr = h
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l, _ := c.Next()
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rr.Mg = l.token
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if len(l.token) == 0 { // dynamic update rr.
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return rr, nil, ""
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}
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name, nameOk := toAbsoluteName(l.token, o)
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if l.err || !nameOk {
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return nil, &ParseError{f, "bad MG Mg", l}, ""
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}
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rr.Mg = name
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return rr, nil, ""
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}
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func setHINFO(h RR_Header, c *zlexer, o, f string) (RR, *ParseError, string) {
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rr := new(HINFO)
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rr.Hdr = h
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chunks, e, c1 := endingToTxtSlice(c, "bad HINFO Fields", f)
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if e != nil {
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return nil, e, c1
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}
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if ln := len(chunks); ln == 0 {
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return rr, nil, ""
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} else if ln == 1 {
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// Can we split it?
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if out := strings.Fields(chunks[0]); len(out) > 1 {
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chunks = out
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} else {
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chunks = append(chunks, "")
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}
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}
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rr.Cpu = chunks[0]
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rr.Os = strings.Join(chunks[1:], " ")
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return rr, nil, ""
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}
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func setMINFO(h RR_Header, c *zlexer, o, f string) (RR, *ParseError, string) {
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rr := new(MINFO)
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rr.Hdr = h
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l, _ := c.Next()
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rr.Rmail = l.token
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if len(l.token) == 0 { // dynamic update rr.
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return rr, nil, ""
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}
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rmail, rmailOk := toAbsoluteName(l.token, o)
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if l.err || !rmailOk {
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return nil, &ParseError{f, "bad MINFO Rmail", l}, ""
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}
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rr.Rmail = rmail
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c.Next() // zBlank
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l, _ = c.Next()
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rr.Email = l.token
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email, emailOk := toAbsoluteName(l.token, o)
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if l.err || !emailOk {
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return nil, &ParseError{f, "bad MINFO Email", l}, ""
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}
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rr.Email = email
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return rr, nil, ""
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}
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func setMF(h RR_Header, c *zlexer, o, f string) (RR, *ParseError, string) {
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rr := new(MF)
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rr.Hdr = h
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l, _ := c.Next()
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rr.Mf = l.token
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if len(l.token) == 0 { // dynamic update rr.
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return rr, nil, ""
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}
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name, nameOk := toAbsoluteName(l.token, o)
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if l.err || !nameOk {
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return nil, &ParseError{f, "bad MF Mf", l}, ""
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}
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rr.Mf = name
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return rr, nil, ""
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}
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func setMD(h RR_Header, c *zlexer, o, f string) (RR, *ParseError, string) {
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rr := new(MD)
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rr.Hdr = h
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l, _ := c.Next()
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rr.Md = l.token
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if len(l.token) == 0 { // dynamic update rr.
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return rr, nil, ""
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}
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name, nameOk := toAbsoluteName(l.token, o)
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if l.err || !nameOk {
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return nil, &ParseError{f, "bad MD Md", l}, ""
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}
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rr.Md = name
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return rr, nil, ""
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}
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func setMX(h RR_Header, c *zlexer, o, f string) (RR, *ParseError, string) {
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rr := new(MX)
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rr.Hdr = h
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l, _ := c.Next()
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if len(l.token) == 0 { // dynamic update rr.
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return rr, nil, ""
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}
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i, e := strconv.ParseUint(l.token, 10, 16)
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if e != nil || l.err {
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return nil, &ParseError{f, "bad MX Pref", l}, ""
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}
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rr.Preference = uint16(i)
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c.Next() // zBlank
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l, _ = c.Next() // zString
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rr.Mx = l.token
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name, nameOk := toAbsoluteName(l.token, o)
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if l.err || !nameOk {
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return nil, &ParseError{f, "bad MX Mx", l}, ""
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}
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rr.Mx = name
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return rr, nil, ""
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}
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func setRT(h RR_Header, c *zlexer, o, f string) (RR, *ParseError, string) {
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rr := new(RT)
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rr.Hdr = h
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l, _ := c.Next()
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if len(l.token) == 0 { // dynamic update rr.
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return rr, nil, ""
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}
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|
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i, e := strconv.ParseUint(l.token, 10, 16)
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if e != nil {
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return nil, &ParseError{f, "bad RT Preference", l}, ""
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}
|
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rr.Preference = uint16(i)
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c.Next() // zBlank
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l, _ = c.Next() // zString
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rr.Host = l.token
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|
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name, nameOk := toAbsoluteName(l.token, o)
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if l.err || !nameOk {
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return nil, &ParseError{f, "bad RT Host", l}, ""
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}
|
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rr.Host = name
|
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|
|
return rr, nil, ""
|
|
}
|
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|
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func setAFSDB(h RR_Header, c *zlexer, o, f string) (RR, *ParseError, string) {
|
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rr := new(AFSDB)
|
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rr.Hdr = h
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|
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l, _ := c.Next()
|
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if len(l.token) == 0 { // dynamic update rr.
|
|
return rr, nil, ""
|
|
}
|
|
|
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i, e := strconv.ParseUint(l.token, 10, 16)
|
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if e != nil || l.err {
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return nil, &ParseError{f, "bad AFSDB Subtype", l}, ""
|
|
}
|
|
rr.Subtype = uint16(i)
|
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|
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c.Next() // zBlank
|
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l, _ = c.Next() // zString
|
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rr.Hostname = l.token
|
|
|
|
name, nameOk := toAbsoluteName(l.token, o)
|
|
if l.err || !nameOk {
|
|
return nil, &ParseError{f, "bad AFSDB Hostname", l}, ""
|
|
}
|
|
rr.Hostname = name
|
|
return rr, nil, ""
|
|
}
|
|
|
|
func setX25(h RR_Header, c *zlexer, o, f string) (RR, *ParseError, string) {
|
|
rr := new(X25)
|
|
rr.Hdr = h
|
|
|
|
l, _ := c.Next()
|
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if len(l.token) == 0 { // dynamic update rr.
|
|
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 *zlexer, o, f string) (RR, *ParseError, string) {
|
|
rr := new(KX)
|
|
rr.Hdr = h
|
|
|
|
l, _ := c.Next()
|
|
if len(l.token) == 0 { // dynamic update rr.
|
|
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.Next() // zBlank
|
|
l, _ = c.Next() // zString
|
|
rr.Exchanger = l.token
|
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|
|
name, nameOk := toAbsoluteName(l.token, o)
|
|
if l.err || !nameOk {
|
|
return nil, &ParseError{f, "bad KX Exchanger", l}, ""
|
|
}
|
|
rr.Exchanger = name
|
|
return rr, nil, ""
|
|
}
|
|
|
|
func setCNAME(h RR_Header, c *zlexer, o, f string) (RR, *ParseError, string) {
|
|
rr := new(CNAME)
|
|
rr.Hdr = h
|
|
|
|
l, _ := c.Next()
|
|
rr.Target = l.token
|
|
if len(l.token) == 0 { // dynamic update rr.
|
|
return rr, nil, ""
|
|
}
|
|
|
|
name, nameOk := toAbsoluteName(l.token, o)
|
|
if l.err || !nameOk {
|
|
return nil, &ParseError{f, "bad CNAME Target", l}, ""
|
|
}
|
|
rr.Target = name
|
|
return rr, nil, ""
|
|
}
|
|
|
|
func setDNAME(h RR_Header, c *zlexer, o, f string) (RR, *ParseError, string) {
|
|
rr := new(DNAME)
|
|
rr.Hdr = h
|
|
|
|
l, _ := c.Next()
|
|
rr.Target = l.token
|
|
if len(l.token) == 0 { // dynamic update rr.
|
|
return rr, nil, ""
|
|
}
|
|
|
|
name, nameOk := toAbsoluteName(l.token, o)
|
|
if l.err || !nameOk {
|
|
return nil, &ParseError{f, "bad DNAME Target", l}, ""
|
|
}
|
|
rr.Target = name
|
|
return rr, nil, ""
|
|
}
|
|
|
|
func setSOA(h RR_Header, c *zlexer, o, f string) (RR, *ParseError, string) {
|
|
rr := new(SOA)
|
|
rr.Hdr = h
|
|
|
|
l, _ := c.Next()
|
|
rr.Ns = l.token
|
|
if len(l.token) == 0 { // dynamic update rr.
|
|
return rr, nil, ""
|
|
}
|
|
|
|
ns, nsOk := toAbsoluteName(l.token, o)
|
|
if l.err || !nsOk {
|
|
return nil, &ParseError{f, "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 nil, &ParseError{f, "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 nil, &ParseError{f, "bad SOA zone parameter", l}, ""
|
|
}
|
|
if j, e := strconv.ParseUint(l.token, 10, 32); e != nil {
|
|
if i == 0 {
|
|
// Serial must be a number
|
|
return nil, &ParseError{f, "bad SOA zone parameter", l}, ""
|
|
}
|
|
// We allow other fields to be unitful duration strings
|
|
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.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 rr, nil, ""
|
|
}
|
|
|
|
func setSRV(h RR_Header, c *zlexer, o, f string) (RR, *ParseError, string) {
|
|
rr := new(SRV)
|
|
rr.Hdr = h
|
|
|
|
l, _ := c.Next()
|
|
if len(l.token) == 0 { // dynamic update rr.
|
|
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.Next() // zBlank
|
|
l, _ = c.Next() // 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.Next() // zBlank
|
|
l, _ = c.Next() // 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.Next() // zBlank
|
|
l, _ = c.Next() // zString
|
|
rr.Target = l.token
|
|
|
|
name, nameOk := toAbsoluteName(l.token, o)
|
|
if l.err || !nameOk {
|
|
return nil, &ParseError{f, "bad SRV Target", l}, ""
|
|
}
|
|
rr.Target = name
|
|
return rr, nil, ""
|
|
}
|
|
|
|
func setNAPTR(h RR_Header, c *zlexer, o, f string) (RR, *ParseError, string) {
|
|
rr := new(NAPTR)
|
|
rr.Hdr = h
|
|
|
|
l, _ := c.Next()
|
|
if len(l.token) == 0 { // dynamic update rr.
|
|
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.Next() // zBlank
|
|
l, _ = c.Next() // 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.Next() // zBlank
|
|
l, _ = c.Next() // _QUOTE
|
|
if l.value != zQuote {
|
|
return nil, &ParseError{f, "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 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.Next() // zBlank
|
|
l, _ = c.Next() // _QUOTE
|
|
if l.value != zQuote {
|
|
return nil, &ParseError{f, "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 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.Next() // zBlank
|
|
l, _ = c.Next() // _QUOTE
|
|
if l.value != zQuote {
|
|
return nil, &ParseError{f, "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 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.Next() // zBlank
|
|
l, _ = c.Next() // zString
|
|
rr.Replacement = l.token
|
|
|
|
name, nameOk := toAbsoluteName(l.token, o)
|
|
if l.err || !nameOk {
|
|
return nil, &ParseError{f, "bad NAPTR Replacement", l}, ""
|
|
}
|
|
rr.Replacement = name
|
|
return rr, nil, ""
|
|
}
|
|
|
|
func setTALINK(h RR_Header, c *zlexer, o, f string) (RR, *ParseError, string) {
|
|
rr := new(TALINK)
|
|
rr.Hdr = h
|
|
|
|
l, _ := c.Next()
|
|
rr.PreviousName = l.token
|
|
if len(l.token) == 0 { // dynamic update rr.
|
|
return rr, nil, ""
|
|
}
|
|
|
|
previousName, previousNameOk := toAbsoluteName(l.token, o)
|
|
if l.err || !previousNameOk {
|
|
return nil, &ParseError{f, "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 nil, &ParseError{f, "bad TALINK NextName", l}, ""
|
|
}
|
|
rr.NextName = nextName
|
|
|
|
return rr, nil, ""
|
|
}
|
|
|
|
func setLOC(h RR_Header, c *zlexer, 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.Next()
|
|
if len(l.token) == 0 { // dynamic update rr.
|
|
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.Next() // zBlank
|
|
// Either number, 'N' or 'S'
|
|
l, _ = c.Next()
|
|
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.Next() // zBlank
|
|
l, _ = c.Next()
|
|
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.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 nil, &ParseError{f, "bad LOC Latitude North/South", l}, ""
|
|
|
|
East:
|
|
// East
|
|
c.Next() // zBlank
|
|
l, _ = c.Next()
|
|
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.Next() // zBlank
|
|
// Either number, 'E' or 'W'
|
|
l, _ = c.Next()
|
|
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.Next() // zBlank
|
|
l, _ = c.Next()
|
|
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.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 nil, &ParseError{f, "bad LOC Longitude East/West", l}, ""
|
|
|
|
Altitude:
|
|
c.Next() // zBlank
|
|
l, _ = c.Next()
|
|
if len(l.token) == 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.Next()
|
|
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.Next()
|
|
}
|
|
return rr, nil, ""
|
|
}
|
|
|
|
func setHIP(h RR_Header, c *zlexer, o, f string) (RR, *ParseError, string) {
|
|
rr := new(HIP)
|
|
rr.Hdr = h
|
|
|
|
// HitLength is not represented
|
|
l, _ := c.Next()
|
|
if len(l.token) == 0 { // dynamic update rr.
|
|
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.Next() // zBlank
|
|
l, _ = c.Next() // zString
|
|
if len(l.token) == 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.Next() // zBlank
|
|
l, _ = c.Next() // zString
|
|
if len(l.token) == 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.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 nil, &ParseError{f, "bad HIP RendezvousServers", l}, ""
|
|
}
|
|
xs = append(xs, name)
|
|
case zBlank:
|
|
// Ok
|
|
default:
|
|
return nil, &ParseError{f, "bad HIP RendezvousServers", l}, ""
|
|
}
|
|
l, _ = c.Next()
|
|
}
|
|
rr.RendezvousServers = xs
|
|
return rr, nil, l.comment
|
|
}
|
|
|
|
func setCERT(h RR_Header, c *zlexer, o, f string) (RR, *ParseError, string) {
|
|
rr := new(CERT)
|
|
rr.Hdr = h
|
|
|
|
l, _ := c.Next()
|
|
if len(l.token) == 0 { // dynamic update rr.
|
|
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.Next() // zBlank
|
|
l, _ = c.Next() // 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.Next() // zBlank
|
|
l, _ = c.Next() // 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 *zlexer, 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 setCSYNC(h RR_Header, c *zlexer, o, f string) (RR, *ParseError, string) {
|
|
rr := new(CSYNC)
|
|
rr.Hdr = h
|
|
|
|
l, _ := c.Next()
|
|
if len(l.token) == 0 { // dynamic update rr.
|
|
return rr, nil, l.comment
|
|
}
|
|
j, e := strconv.ParseUint(l.token, 10, 32)
|
|
if e != nil {
|
|
// Serial must be a number
|
|
return nil, &ParseError{f, "bad CSYNC serial", l}, ""
|
|
}
|
|
rr.Serial = uint32(j)
|
|
|
|
c.Next() // zBlank
|
|
|
|
l, _ = c.Next()
|
|
j, e = strconv.ParseUint(l.token, 10, 16)
|
|
if e != nil {
|
|
// Serial must be a number
|
|
return nil, &ParseError{f, "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 nil, &ParseError{f, "bad CSYNC TypeBitMap", l}, ""
|
|
}
|
|
}
|
|
rr.TypeBitMap = append(rr.TypeBitMap, k)
|
|
default:
|
|
return nil, &ParseError{f, "bad CSYNC TypeBitMap", l}, ""
|
|
}
|
|
l, _ = c.Next()
|
|
}
|
|
return rr, nil, l.comment
|
|
}
|
|
|
|
func setSIG(h RR_Header, c *zlexer, 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 *zlexer, o, f string) (RR, *ParseError, string) {
|
|
rr := new(RRSIG)
|
|
rr.Hdr = h
|
|
|
|
l, _ := c.Next()
|
|
if len(l.token) == 0 { // dynamic update rr.
|
|
return rr, nil, l.comment
|
|
}
|
|
|
|
tokenUpper := strings.ToUpper(l.token)
|
|
if t, ok := StringToType[tokenUpper]; !ok {
|
|
if strings.HasPrefix(tokenUpper, "TYPE") {
|
|
t, ok = typeToInt(l.token)
|
|
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.Next() // zBlank
|
|
l, _ = c.Next()
|
|
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.Next() // zBlank
|
|
l, _ = c.Next()
|
|
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.Next() // zBlank
|
|
l, _ = c.Next()
|
|
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.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.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.Next() // zBlank
|
|
l, _ = c.Next()
|
|
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.Next() // zBlank
|
|
l, _ = c.Next()
|
|
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.Next() // zBlank
|
|
l, _ = c.Next()
|
|
rr.SignerName = l.token
|
|
name, nameOk := toAbsoluteName(l.token, o)
|
|
if l.err || !nameOk {
|
|
return nil, &ParseError{f, "bad RRSIG SignerName", l}, ""
|
|
}
|
|
rr.SignerName = name
|
|
|
|
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 *zlexer, o, f string) (RR, *ParseError, string) {
|
|
rr := new(NSEC)
|
|
rr.Hdr = h
|
|
|
|
l, _ := c.Next()
|
|
rr.NextDomain = l.token
|
|
if len(l.token) == 0 { // dynamic update rr.
|
|
return rr, nil, l.comment
|
|
}
|
|
|
|
name, nameOk := toAbsoluteName(l.token, o)
|
|
if l.err || !nameOk {
|
|
return nil, &ParseError{f, "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 nil, &ParseError{f, "bad NSEC TypeBitMap", l}, ""
|
|
}
|
|
}
|
|
rr.TypeBitMap = append(rr.TypeBitMap, k)
|
|
default:
|
|
return nil, &ParseError{f, "bad NSEC TypeBitMap", l}, ""
|
|
}
|
|
l, _ = c.Next()
|
|
}
|
|
return rr, nil, l.comment
|
|
}
|
|
|
|
func setNSEC3(h RR_Header, c *zlexer, o, f string) (RR, *ParseError, string) {
|
|
rr := new(NSEC3)
|
|
rr.Hdr = h
|
|
|
|
l, _ := c.Next()
|
|
if len(l.token) == 0 { // dynamic update rr.
|
|
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.Next() // zBlank
|
|
l, _ = c.Next()
|
|
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.Next() // zBlank
|
|
l, _ = c.Next()
|
|
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.Next()
|
|
l, _ = c.Next()
|
|
if len(l.token) == 0 || l.err {
|
|
return nil, &ParseError{f, "bad NSEC3 Salt", l}, ""
|
|
}
|
|
if l.token != "-" {
|
|
rr.SaltLength = uint8(len(l.token)) / 2
|
|
rr.Salt = l.token
|
|
}
|
|
|
|
c.Next()
|
|
l, _ = c.Next()
|
|
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.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 nil, &ParseError{f, "bad NSEC3 TypeBitMap", l}, ""
|
|
}
|
|
}
|
|
rr.TypeBitMap = append(rr.TypeBitMap, k)
|
|
default:
|
|
return nil, &ParseError{f, "bad NSEC3 TypeBitMap", l}, ""
|
|
}
|
|
l, _ = c.Next()
|
|
}
|
|
return rr, nil, l.comment
|
|
}
|
|
|
|
func setNSEC3PARAM(h RR_Header, c *zlexer, o, f string) (RR, *ParseError, string) {
|
|
rr := new(NSEC3PARAM)
|
|
rr.Hdr = h
|
|
|
|
l, _ := c.Next()
|
|
if len(l.token) == 0 { // dynamic update rr.
|
|
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.Next() // zBlank
|
|
l, _ = c.Next()
|
|
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.Next() // zBlank
|
|
l, _ = c.Next()
|
|
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.Next()
|
|
l, _ = c.Next()
|
|
if l.token != "-" {
|
|
rr.SaltLength = uint8(len(l.token))
|
|
rr.Salt = l.token
|
|
}
|
|
return rr, nil, ""
|
|
}
|
|
|
|
func setEUI48(h RR_Header, c *zlexer, o, f string) (RR, *ParseError, string) {
|
|
rr := new(EUI48)
|
|
rr.Hdr = h
|
|
|
|
l, _ := c.Next()
|
|
if len(l.token) == 0 { // dynamic update rr.
|
|
return rr, nil, ""
|
|
}
|
|
|
|
if len(l.token) != 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 *zlexer, o, f string) (RR, *ParseError, string) {
|
|
rr := new(EUI64)
|
|
rr.Hdr = h
|
|
|
|
l, _ := c.Next()
|
|
if len(l.token) == 0 { // dynamic update rr.
|
|
return rr, nil, ""
|
|
}
|
|
|
|
if len(l.token) != 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 *zlexer, o, f string) (RR, *ParseError, string) {
|
|
rr := new(SSHFP)
|
|
rr.Hdr = h
|
|
|
|
l, _ := c.Next()
|
|
if len(l.token) == 0 { // dynamic update rr.
|
|
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.Next() // zBlank
|
|
l, _ = c.Next()
|
|
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.Next() // 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 *zlexer, o, f, typ string) (RR, *ParseError, string) {
|
|
rr := new(DNSKEY)
|
|
rr.Hdr = h
|
|
|
|
l, _ := c.Next()
|
|
if len(l.token) == 0 { // dynamic update rr.
|
|
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.Next() // zBlank
|
|
l, _ = c.Next() // 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.Next() // zBlank
|
|
l, _ = c.Next() // 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 *zlexer, 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 *zlexer, 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 *zlexer, 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 *zlexer, o, f string) (RR, *ParseError, string) {
|
|
rr := new(RKEY)
|
|
rr.Hdr = h
|
|
|
|
l, _ := c.Next()
|
|
if len(l.token) == 0 { // dynamic update rr.
|
|
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.Next() // zBlank
|
|
l, _ = c.Next() // 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.Next() // zBlank
|
|
l, _ = c.Next() // 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 *zlexer, 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 *zlexer, 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 *zlexer, o, f string) (RR, *ParseError, string) {
|
|
rr := new(GPOS)
|
|
rr.Hdr = h
|
|
|
|
l, _ := c.Next()
|
|
if len(l.token) == 0 { // dynamic update rr.
|
|
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.Next() // zBlank
|
|
l, _ = c.Next()
|
|
_, e = strconv.ParseFloat(l.token, 64)
|
|
if e != nil || l.err {
|
|
return nil, &ParseError{f, "bad GPOS Latitude", l}, ""
|
|
}
|
|
rr.Latitude = l.token
|
|
c.Next() // zBlank
|
|
l, _ = c.Next()
|
|
_, 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 *zlexer, o, f, typ string) (RR, *ParseError, string) {
|
|
rr := new(DS)
|
|
rr.Hdr = h
|
|
|
|
l, _ := c.Next()
|
|
if len(l.token) == 0 { // dynamic update rr.
|
|
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.Next() // zBlank
|
|
l, _ = c.Next()
|
|
if i, e = strconv.ParseUint(l.token, 10, 8); e != nil {
|
|
tokenUpper := strings.ToUpper(l.token)
|
|
i, ok := StringToAlgorithm[tokenUpper]
|
|
if !ok || l.err {
|
|
return nil, &ParseError{f, "bad " + typ + " Algorithm", l}, ""
|
|
}
|
|
rr.Algorithm = i
|
|
} else {
|
|
rr.Algorithm = uint8(i)
|
|
}
|
|
c.Next() // zBlank
|
|
l, _ = c.Next()
|
|
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 *zlexer, 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 *zlexer, 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 *zlexer, 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 *zlexer, o, f string) (RR, *ParseError, string) {
|
|
rr := new(TA)
|
|
rr.Hdr = h
|
|
|
|
l, _ := c.Next()
|
|
if len(l.token) == 0 { // dynamic update rr.
|
|
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.Next() // zBlank
|
|
l, _ = c.Next()
|
|
if i, e := strconv.ParseUint(l.token, 10, 8); e != nil {
|
|
tokenUpper := strings.ToUpper(l.token)
|
|
i, ok := StringToAlgorithm[tokenUpper]
|
|
if !ok || l.err {
|
|
return nil, &ParseError{f, "bad TA Algorithm", l}, ""
|
|
}
|
|
rr.Algorithm = i
|
|
} else {
|
|
rr.Algorithm = uint8(i)
|
|
}
|
|
c.Next() // zBlank
|
|
l, _ = c.Next()
|
|
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, err, c1 := endingToString(c, "bad TA Digest", f)
|
|
if err != nil {
|
|
return nil, err, c1
|
|
}
|
|
rr.Digest = s
|
|
return rr, nil, c1
|
|
}
|
|
|
|
func setTLSA(h RR_Header, c *zlexer, o, f string) (RR, *ParseError, string) {
|
|
rr := new(TLSA)
|
|
rr.Hdr = h
|
|
|
|
l, _ := c.Next()
|
|
if len(l.token) == 0 { // dynamic update rr.
|
|
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.Next() // zBlank
|
|
l, _ = c.Next()
|
|
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.Next() // zBlank
|
|
l, _ = c.Next()
|
|
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 *zlexer, o, f string) (RR, *ParseError, string) {
|
|
rr := new(SMIMEA)
|
|
rr.Hdr = h
|
|
|
|
l, _ := c.Next()
|
|
if len(l.token) == 0 { // dynamic update rr.
|
|
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.Next() // zBlank
|
|
l, _ = c.Next()
|
|
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.Next() // zBlank
|
|
l, _ = c.Next()
|
|
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 *zlexer, o, f string) (RR, *ParseError, string) {
|
|
rr := new(RFC3597)
|
|
rr.Hdr = h
|
|
|
|
l, _ := c.Next()
|
|
if l.token != "\\#" {
|
|
return nil, &ParseError{f, "bad RFC3597 Rdata", l}, ""
|
|
}
|
|
|
|
c.Next() // zBlank
|
|
l, _ = c.Next()
|
|
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 *zlexer, 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 *zlexer, 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 *zlexer, 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 *zlexer, 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 *zlexer, o, f string) (RR, *ParseError, string) {
|
|
rr := new(URI)
|
|
rr.Hdr = h
|
|
|
|
l, _ := c.Next()
|
|
if len(l.token) == 0 { // dynamic update rr.
|
|
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.Next() // zBlank
|
|
l, _ = c.Next()
|
|
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.Next() // 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 *zlexer, 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 *zlexer, o, f string) (RR, *ParseError, string) {
|
|
rr := new(NID)
|
|
rr.Hdr = h
|
|
|
|
l, _ := c.Next()
|
|
if len(l.token) == 0 { // dynamic update rr.
|
|
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.Next() // zBlank
|
|
l, _ = c.Next() // 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 *zlexer, o, f string) (RR, *ParseError, string) {
|
|
rr := new(L32)
|
|
rr.Hdr = h
|
|
|
|
l, _ := c.Next()
|
|
if len(l.token) == 0 { // dynamic update rr.
|
|
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.Next() // zBlank
|
|
l, _ = c.Next() // 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 *zlexer, o, f string) (RR, *ParseError, string) {
|
|
rr := new(LP)
|
|
rr.Hdr = h
|
|
|
|
l, _ := c.Next()
|
|
if len(l.token) == 0 { // dynamic update rr.
|
|
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.Next() // zBlank
|
|
l, _ = c.Next() // zString
|
|
rr.Fqdn = l.token
|
|
name, nameOk := toAbsoluteName(l.token, o)
|
|
if l.err || !nameOk {
|
|
return nil, &ParseError{f, "bad LP Fqdn", l}, ""
|
|
}
|
|
rr.Fqdn = name
|
|
|
|
return rr, nil, ""
|
|
}
|
|
|
|
func setL64(h RR_Header, c *zlexer, o, f string) (RR, *ParseError, string) {
|
|
rr := new(L64)
|
|
rr.Hdr = h
|
|
|
|
l, _ := c.Next()
|
|
if len(l.token) == 0 { // dynamic update rr.
|
|
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.Next() // zBlank
|
|
l, _ = c.Next() // 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 *zlexer, o, f string) (RR, *ParseError, string) {
|
|
rr := new(UID)
|
|
rr.Hdr = h
|
|
|
|
l, _ := c.Next()
|
|
if len(l.token) == 0 { // dynamic update rr.
|
|
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 *zlexer, o, f string) (RR, *ParseError, string) {
|
|
rr := new(GID)
|
|
rr.Hdr = h
|
|
|
|
l, _ := c.Next()
|
|
if len(l.token) == 0 { // dynamic update rr.
|
|
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 *zlexer, 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 *zlexer, o, f string) (RR, *ParseError, string) {
|
|
rr := new(PX)
|
|
rr.Hdr = h
|
|
|
|
l, _ := c.Next()
|
|
if len(l.token) == 0 { // dynamic update rr.
|
|
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.Next() // zBlank
|
|
l, _ = c.Next() // zString
|
|
rr.Map822 = l.token
|
|
map822, map822Ok := toAbsoluteName(l.token, o)
|
|
if l.err || !map822Ok {
|
|
return nil, &ParseError{f, "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 nil, &ParseError{f, "bad PX Mapx400", l}, ""
|
|
}
|
|
rr.Mapx400 = mapx400
|
|
|
|
return rr, nil, ""
|
|
}
|
|
|
|
func setCAA(h RR_Header, c *zlexer, o, f string) (RR, *ParseError, string) {
|
|
rr := new(CAA)
|
|
rr.Hdr = h
|
|
|
|
l, _ := c.Next()
|
|
if len(l.token) == 0 { // dynamic update rr.
|
|
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.Next() // zBlank
|
|
l, _ = c.Next() // zString
|
|
if l.value != zString {
|
|
return nil, &ParseError{f, "bad CAA Tag", l}, ""
|
|
}
|
|
rr.Tag = l.token
|
|
|
|
c.Next() // 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
|
|
}
|
|
|
|
func setTKEY(h RR_Header, c *zlexer, o, f string) (RR, *ParseError, string) {
|
|
rr := new(TKEY)
|
|
rr.Hdr = h
|
|
|
|
l, _ := c.Next()
|
|
|
|
// Algorithm
|
|
if l.value != zString {
|
|
return nil, &ParseError{f, "bad TKEY algorithm", l}, ""
|
|
}
|
|
rr.Algorithm = l.token
|
|
c.Next() // zBlank
|
|
|
|
// Get the key length and key values
|
|
l, _ = c.Next()
|
|
i, err := strconv.ParseUint(l.token, 10, 8)
|
|
if err != nil || l.err {
|
|
return nil, &ParseError{f, "bad TKEY key length", l}, ""
|
|
}
|
|
rr.KeySize = uint16(i)
|
|
c.Next() // zBlank
|
|
l, _ = c.Next()
|
|
if l.value != zString {
|
|
return nil, &ParseError{f, "bad TKEY key", l}, ""
|
|
}
|
|
rr.Key = l.token
|
|
c.Next() // zBlank
|
|
|
|
// Get the otherdata length and string data
|
|
l, _ = c.Next()
|
|
i, err = strconv.ParseUint(l.token, 10, 8)
|
|
if err != nil || l.err {
|
|
return nil, &ParseError{f, "bad TKEY otherdata length", l}, ""
|
|
}
|
|
rr.OtherLen = uint16(i)
|
|
c.Next() // zBlank
|
|
l, _ = c.Next()
|
|
if l.value != zString {
|
|
return nil, &ParseError{f, "bad TKEY otherday", l}, ""
|
|
}
|
|
rr.OtherData = l.token
|
|
|
|
return rr, nil, ""
|
|
}
|
|
|
|
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},
|
|
TypeCSYNC: {setCSYNC, true},
|
|
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},
|
|
TypeTKEY: {setTKEY, true},
|
|
}
|