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55dafe6f59
block chaos queries, unless the chaos or proxy middleware is loaded. We respond with REFUSED. This removes the need for each middleware to do this class != ClassINET if-then. Also make config.Registry non-public.
61 lines
1.6 KiB
Go
61 lines
1.6 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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// Middleware interested in announcing that they exist, so other middleware can call methods
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// on them should register themselves here. The name should be the name as return by the
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// Handler's Name method.
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registry map[string]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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