5387c162c9
Full implementation, DNS (and in the future DNSSEC). Returns answer in a hopefully standards compliant way. Testing with my miek.nl zone are included as well. This should correctly handle nodata, nxdomain and cnames.
54 lines
1.1 KiB
Go
54 lines
1.1 KiB
Go
package setup
|
|
|
|
import (
|
|
"os"
|
|
|
|
"github.com/miekg/coredns/middleware"
|
|
"github.com/miekg/coredns/middleware/file"
|
|
)
|
|
|
|
// File sets up the file middleware.
|
|
func File(c *Controller) (middleware.Middleware, error) {
|
|
zones, err := fileParse(c)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return func(next middleware.Handler) middleware.Handler {
|
|
return file.File{Next: next, Zones: zones}
|
|
}, nil
|
|
|
|
}
|
|
|
|
func fileParse(c *Controller) (file.Zones, error) {
|
|
z := make(map[string]*file.Zone)
|
|
names := []string{}
|
|
for c.Next() {
|
|
if c.Val() == "file" {
|
|
// file db.file [origin]
|
|
if !c.NextArg() {
|
|
return file.Zones{}, c.ArgErr()
|
|
}
|
|
fileName := c.Val()
|
|
|
|
origin := c.ServerBlockHosts[c.ServerBlockHostIndex]
|
|
if c.NextArg() {
|
|
c.Next()
|
|
origin = c.Val()
|
|
}
|
|
// normalize this origin
|
|
origin = middleware.Host(origin).StandardHost()
|
|
|
|
reader, err := os.Open(fileName)
|
|
if err != nil {
|
|
return file.Zones{}, err
|
|
}
|
|
|
|
zone, err := file.Parse(reader, origin, fileName)
|
|
if err == nil {
|
|
z[origin] = zone
|
|
}
|
|
names = append(names, origin)
|
|
}
|
|
}
|
|
return file.Zones{Z: z, Names: names}, nil
|
|
}
|