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author | 2025-03-09 17:47:56 +0100 | |
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committer | 2025-03-10 01:59:49 +0100 | |
commit | 3ac1ee16f377d31a0fb80c8dae28b6239ac4229e (patch) | |
tree | f61faa581feaaeaba2542b9f2b8234a590684413 /vendor/github.com/miekg/dns/serve_mux.go | |
parent | [chore] update URLs to forked source (diff) | |
download | gotosocial-3ac1ee16f377d31a0fb80c8dae28b6239ac4229e.tar.xz |
[chore] remove vendor
Diffstat (limited to 'vendor/github.com/miekg/dns/serve_mux.go')
-rw-r--r-- | vendor/github.com/miekg/dns/serve_mux.go | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/vendor/github.com/miekg/dns/serve_mux.go b/vendor/github.com/miekg/dns/serve_mux.go deleted file mode 100644 index e7f36e221..000000000 --- a/vendor/github.com/miekg/dns/serve_mux.go +++ /dev/null @@ -1,122 +0,0 @@ -package dns - -import ( - "sync" -) - -// ServeMux is an DNS request multiplexer. It matches the zone name of -// each incoming request against a list of registered patterns add calls -// the handler for the pattern that most closely matches the zone name. -// -// ServeMux is DNSSEC aware, meaning that queries for the DS record are -// redirected to the parent zone (if that is also registered), otherwise -// the child gets the query. -// -// ServeMux is also safe for concurrent access from multiple goroutines. -// -// The zero ServeMux is empty and ready for use. -type ServeMux struct { - z map[string]Handler - m sync.RWMutex -} - -// NewServeMux allocates and returns a new ServeMux. -func NewServeMux() *ServeMux { - return new(ServeMux) -} - -// DefaultServeMux is the default ServeMux used by Serve. -var DefaultServeMux = NewServeMux() - -func (mux *ServeMux) match(q string, t uint16) Handler { - mux.m.RLock() - defer mux.m.RUnlock() - if mux.z == nil { - return nil - } - - q = CanonicalName(q) - - var handler Handler - for off, end := 0, false; !end; off, end = NextLabel(q, off) { - if h, ok := mux.z[q[off:]]; ok { - if t != TypeDS { - return h - } - // Continue for DS to see if we have a parent too, if so delegate to the parent - handler = h - } - } - - // Wildcard match, if we have found nothing try the root zone as a last resort. - if h, ok := mux.z["."]; ok { - return h - } - - return handler -} - -// Handle adds a handler to the ServeMux for pattern. -func (mux *ServeMux) Handle(pattern string, handler Handler) { - if pattern == "" { - panic("dns: invalid pattern " + pattern) - } - mux.m.Lock() - if mux.z == nil { - mux.z = make(map[string]Handler) - } - mux.z[CanonicalName(pattern)] = handler - mux.m.Unlock() -} - -// HandleFunc adds a handler function to the ServeMux for pattern. -func (mux *ServeMux) HandleFunc(pattern string, handler func(ResponseWriter, *Msg)) { - mux.Handle(pattern, HandlerFunc(handler)) -} - -// HandleRemove deregisters the handler specific for pattern from the ServeMux. -func (mux *ServeMux) HandleRemove(pattern string) { - if pattern == "" { - panic("dns: invalid pattern " + pattern) - } - mux.m.Lock() - delete(mux.z, CanonicalName(pattern)) - mux.m.Unlock() -} - -// ServeDNS dispatches the request to the handler whose pattern most -// closely matches the request message. -// -// ServeDNS is DNSSEC aware, meaning that queries for the DS record -// are redirected to the parent zone (if that is also registered), -// otherwise the child gets the query. -// -// If no handler is found, or there is no question, a standard REFUSED -// message is returned -func (mux *ServeMux) ServeDNS(w ResponseWriter, req *Msg) { - var h Handler - if len(req.Question) >= 1 { // allow more than one question - h = mux.match(req.Question[0].Name, req.Question[0].Qtype) - } - - if h != nil { - h.ServeDNS(w, req) - } else { - handleRefused(w, req) - } -} - -// Handle registers the handler with the given pattern -// in the DefaultServeMux. The documentation for -// ServeMux explains how patterns are matched. -func Handle(pattern string, handler Handler) { DefaultServeMux.Handle(pattern, handler) } - -// HandleRemove deregisters the handle with the given pattern -// in the DefaultServeMux. -func HandleRemove(pattern string) { DefaultServeMux.HandleRemove(pattern) } - -// HandleFunc registers the handler function with the given pattern -// in the DefaultServeMux. -func HandleFunc(pattern string, handler func(ResponseWriter, *Msg)) { - DefaultServeMux.HandleFunc(pattern, handler) -} |