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Update github.com/miekg/dns to pick up fix for CVE-2019-19794.

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I noticed this was out of date using 'snyk test' on the main repository.
This commit is contained in:
Dan Lorenc
2020-12-19 15:29:30 -06:00
parent b749a3a421
commit f273212c0b
47 changed files with 2989 additions and 1939 deletions
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32
vendor/github.com/miekg/dns/defaults.go generated vendored
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@@ -105,7 +105,7 @@ func (dns *Msg) SetAxfr(z string) *Msg {
// SetTsig appends a TSIG RR to the message.
// This is only a skeleton TSIG RR that is added as the last RR in the
// additional section. The Tsig is calculated when the message is being send.
// additional section. The TSIG is calculated when the message is being send.
func (dns *Msg) SetTsig(z, algo string, fudge uint16, timesigned int64) *Msg {
t := new(TSIG)
t.Hdr = RR_Header{z, TypeTSIG, ClassANY, 0, 0}
@@ -146,10 +146,9 @@ func (dns *Msg) IsTsig() *TSIG {
// record in the additional section will do. It returns the OPT record
// found or nil.
func (dns *Msg) IsEdns0() *OPT {
// EDNS0 is at the end of the additional section, start there.
// We might want to change this to *only* look at the last two
// records. So we see TSIG and/or OPT - this a slightly bigger
// change though.
// RFC 6891, Section 6.1.1 allows the OPT record to appear
// anywhere in the additional record section, but it's usually at
// the end so start there.
for i := len(dns.Extra) - 1; i >= 0; i-- {
if dns.Extra[i].Header().Rrtype == TypeOPT {
return dns.Extra[i].(*OPT)
@@ -158,6 +157,21 @@ func (dns *Msg) IsEdns0() *OPT {
return nil
}
// popEdns0 is like IsEdns0, but it removes the record from the message.
func (dns *Msg) popEdns0() *OPT {
// RFC 6891, Section 6.1.1 allows the OPT record to appear
// anywhere in the additional record section, but it's usually at
// the end so start there.
for i := len(dns.Extra) - 1; i >= 0; i-- {
if dns.Extra[i].Header().Rrtype == TypeOPT {
opt := dns.Extra[i].(*OPT)
dns.Extra = append(dns.Extra[:i], dns.Extra[i+1:]...)
return opt
}
}
return nil
}
// IsDomainName checks if s is a valid domain name, it returns the number of
// labels and true, when a domain name is valid. Note that non fully qualified
// domain name is considered valid, in this case the last label is counted in
@@ -303,6 +317,12 @@ func Fqdn(s string) string {
return s + "."
}
// CanonicalName returns the domain name in canonical form. A name in canonical
// form is lowercase and fully qualified. See Section 6.2 in RFC 4034.
func CanonicalName(s string) string {
return strings.ToLower(Fqdn(s))
}
// Copied from the official Go code.
// ReverseAddr returns the in-addr.arpa. or ip6.arpa. hostname of the IP
@@ -350,7 +370,7 @@ func (t Type) String() string {
// String returns the string representation for the class c.
func (c Class) String() string {
if s, ok := ClassToString[uint16(c)]; ok {
// Only emit mnemonics when they are unambiguous, specically ANY is in both.
// Only emit mnemonics when they are unambiguous, specially ANY is in both.
if _, ok := StringToType[s]; !ok {
return s
}