From 5904e3b4ee475076908d569afe816fd8a7e9d0d5 Mon Sep 17 00:00:00 2001 From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com> Date: Mon, 1 May 2023 11:00:41 +0200 Subject: [chore]: Bump github.com/miekg/dns from 1.1.53 to 1.1.54 (#1727) Bumps [github.com/miekg/dns](https://github.com/miekg/dns) from 1.1.53 to 1.1.54. - [Release notes](https://github.com/miekg/dns/releases) - [Changelog](https://github.com/miekg/dns/blob/master/Makefile.release) - [Commits](https://github.com/miekg/dns/compare/v1.1.53...v1.1.54) --- updated-dependencies: - dependency-name: github.com/miekg/dns dependency-type: direct:production update-type: version-update:semver-patch ... Signed-off-by: dependabot[bot] Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> --- vendor/github.com/miekg/dns/defaults.go | 20 +++++++++++++------- 1 file changed, 13 insertions(+), 7 deletions(-) (limited to 'vendor/github.com/miekg/dns/defaults.go') diff --git a/vendor/github.com/miekg/dns/defaults.go b/vendor/github.com/miekg/dns/defaults.go index 75b17f0c1..c1558b79c 100644 --- a/vendor/github.com/miekg/dns/defaults.go +++ b/vendor/github.com/miekg/dns/defaults.go @@ -272,18 +272,24 @@ func IsMsg(buf []byte) error { // IsFqdn checks if a domain name is fully qualified. func IsFqdn(s string) bool { - s2 := strings.TrimSuffix(s, ".") - if s == s2 { + // Check for (and remove) a trailing dot, returning if there isn't one. + if s == "" || s[len(s)-1] != '.' { return false } + s = s[:len(s)-1] - i := strings.LastIndexFunc(s2, func(r rune) bool { + // If we don't have an escape sequence before the final dot, we know it's + // fully qualified and can return here. + if s == "" || s[len(s)-1] != '\\' { + return true + } + + // Otherwise we have to check if the dot is escaped or not by checking if + // there are an odd or even number of escape sequences before the dot. + i := strings.LastIndexFunc(s, func(r rune) bool { return r != '\\' }) - - // Test whether we have an even number of escape sequences before - // the dot or none. - return (len(s2)-i)%2 != 0 + return (len(s)-i)%2 != 0 } // IsRRset checks if a set of RRs is a valid RRset as defined by RFC 2181. -- cgit v1.2.3