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	* middleware/debug: add Add a debug "middleware" that disables the recover() and just lets CoreDNS crash; very useful for testing. Fixes ##563 * fix test * Feedback: check the value of Debug
		
			
				
	
	
		
			71 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			71 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
package dnsserver
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import (
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	"crypto/tls"
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	"github.com/coredns/coredns/middleware"
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	"github.com/mholt/caddy"
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)
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// Config configuration for a single server.
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type Config struct {
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	// The zone of the site.
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	Zone string
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	// The hostname to bind listener to, defaults to the wildcard address
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	ListenHost string
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	// The port to listen on.
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	Port string
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	// Root points to a base directory we we find user defined "things".
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	// First consumer is the file middleware to looks for zone files in this place.
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	Root string
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	// Debug controls the panic/recover mechanism that is enabled by default.
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	Debug bool
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	// The transport we implement, normally just "dns" over TCP/UDP, but could be
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	// DNS-over-TLS or DNS-over-gRPC.
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	Transport string
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	// TLSConfig when listening for encrypted connections (gRPC, DNS-over-TLS).
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	TLSConfig *tls.Config
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	// Middleware stack.
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	Middleware []middleware.Middleware
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	// Compiled middleware stack.
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	middlewareChain middleware.Handler
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}
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// GetConfig gets the Config that corresponds to c.
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// If none exist nil is returned.
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func GetConfig(c *caddy.Controller) *Config {
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	ctx := c.Context().(*dnsContext)
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	if cfg, ok := ctx.keysToConfigs[c.Key]; ok {
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		return cfg
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	}
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	// we should only get here during tests because directive
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	// actions typically skip the server blocks where we make
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	// the configs.
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	ctx.saveConfig(c.Key, &Config{})
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	return GetConfig(c)
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}
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// GetMiddleware returns the middleware handler that has been added to the config under name.
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// This is useful to inspect if a certain middleware is active in this server.
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// Note that this is order dependent and the order is defined in directives.go, i.e. if your middleware
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// comes before the middleware you are checking; it will not be there (yet).
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func GetMiddleware(c *caddy.Controller, name string) middleware.Handler {
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	conf := GetConfig(c)
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	for _, h := range conf.Middleware {
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		x := h(nil)
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		if name == x.Name() {
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			return x
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		}
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	}
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	return nil
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}
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