github.com/mre-fog/trillianxx@v1.1.2-0.20180615153820-ae375a99d36a/examples/ct/ctmapper/lookup/lookup.go (about)

     1  // Copyright 2016 Google Inc. All Rights Reserved.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  // The lookup binary looks up a specific ID in a map.
    16  package main
    17  
    18  import (
    19  	"context"
    20  	"flag"
    21  
    22  	"github.com/golang/glog"
    23  	pb "github.com/golang/protobuf/proto"
    24  	"github.com/google/trillian"
    25  	"github.com/google/trillian/examples/ct/ctmapper"
    26  	"github.com/google/trillian/examples/ct/ctmapper/ctmapperpb"
    27  	"google.golang.org/grpc"
    28  )
    29  
    30  var mapServer = flag.String("map_server", "", "host:port for the map server")
    31  var mapID = flag.Int("map_id", -1, "Map ID to write to")
    32  
    33  func main() {
    34  	flag.Parse()
    35  
    36  	if flag.NArg() == 0 {
    37  		glog.Info("Usage: lookup [domain <domain> ...]")
    38  		return
    39  	}
    40  
    41  	conn, err := grpc.Dial(*mapServer, grpc.WithInsecure())
    42  	if err != nil {
    43  		glog.Fatal(err)
    44  	}
    45  	defer conn.Close()
    46  
    47  	mapID := int64(*mapID)
    48  	vmap := trillian.NewTrillianMapClient(conn)
    49  
    50  	for i := 0; i < flag.NArg(); i++ {
    51  		domain := flag.Arg(i)
    52  		req := &trillian.GetMapLeavesRequest{
    53  			MapId: mapID,
    54  			Index: [][]byte{ctmapper.HashDomain(domain)},
    55  		}
    56  		resp, err := vmap.GetLeaves(context.Background(), req)
    57  		if err != nil {
    58  			glog.Warning("Failed to lookup domain %s: %v", domain, err)
    59  			continue
    60  		}
    61  		for _, kv := range resp.MapLeafInclusion {
    62  			el := ctmapperpb.EntryList{}
    63  			v := kv.Leaf.LeafValue
    64  			if len(v) == 0 {
    65  				continue
    66  			}
    67  			if err := pb.Unmarshal(v, &el); err != nil {
    68  				glog.Warning("Failed to unmarshal leaf %s: %v", kv.Leaf.LeafValue, err)
    69  				continue
    70  			}
    71  			glog.Infof("Found %s with certs at indices %v and pre-certs at indices %v", el.Domain, el.CertIndex, el.PrecertIndex)
    72  		}
    73  	}
    74  }