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package main
import (
"flag"
"fmt"
"log"
"encoding/json"
ct "github.com/zmap/zcrypto/ct"
"github.com/zmap/zcrypto/ct/client"
"github.com/zmap/zcrypto/x509"
)
// Processes the given entry in the specified log.
func processEntry(entry ct.LogEntry) (*x509.Certificate, error) {
cert := &x509.Certificate{}
switch entry.Leaf.TimestampedEntry.EntryType {
case ct.X509LogEntryType:
innerCert, err := x509.ParseCertificate(entry.Leaf.TimestampedEntry.X509Entry)
if err != nil {
return nil, err
}
cert = innerCert
case ct.PrecertLogEntryType:
innerCert, err := x509.ParseCertificate(entry.Leaf.TimestampedEntry.PrecertEntry.TBSCertificate)
if err != nil {
return nil, err
}
cert = innerCert
}
return cert, nil
}
func main() {
var logURI = flag.String("log_uri", "http://ct.googleapis.com/aviator", "CT log base URI")
var indexToParse = flag.Int64("index", 1, "Index to parse")
flag.Parse()
logClient := client.New(*logURI)
entries, err := logClient.GetEntries(*indexToParse, *indexToParse)
if err != nil {
log.Fatal(err)
}
for _, entry := range entries {
cert, err := processEntry(entry)
if err != nil {
fmt.Printf("%d %s\n", entry.Index, err.Error())
continue
}
finalJSON, _ := json.Marshal(cert)
fmt.Printf("%d %s\n", entry.Index, string(finalJSON))
}
}
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