func TestCheckCAAFallback(t *testing.T) {
testSrv := httptest.NewServer(http.HandlerFunc(mocks.GPDNSHandler))
defer testSrv.Close()
stats := mocks.NewStatter()
scope := metrics.NewStatsdScope(stats, "VA")
logger := blog.NewMock()
caaDR, err := cdr.New(metrics.NewNoopScope(), time.Second, 1, nil, blog.NewMock())
test.AssertNotError(t, err, "Failed to create CAADistributedResolver")
caaDR.URI = testSrv.URL
caaDR.Clients["1.1.1.1"] = new(http.Client)
va := NewValidationAuthorityImpl(
&cmd.PortConfig{},
nil,
caaDR,
&bdns.MockDNSResolver{},
"user agent 1.0",
"ca.com",
scope,
clock.Default(),
logger)
prob := va.checkCAA(ctx, core.AcmeIdentifier{Value: "bad-local-resolver.com", Type: "dns"})
test.Assert(t, prob == nil, fmt.Sprintf("returned ProblemDetails was non-nil: %#v", prob))
va.caaDR = nil
prob = va.checkCAA(ctx, core.AcmeIdentifier{Value: "bad-local-resolver.com", Type: "dns"})
test.Assert(t, prob != nil, "returned ProblemDetails was nil")
test.AssertEquals(t, prob.Type, probs.ConnectionProblem)
test.AssertEquals(t, prob.Detail, "server failure at resolver")
}
func TestGetCAASetFallback(t *testing.T) {
testSrv := httptest.NewServer(http.HandlerFunc(mocks.GPDNSHandler))
defer testSrv.Close()
caaDR, err := cdr.New(metrics.NewNoopScope(), time.Second, 1, nil, blog.NewMock())
test.AssertNotError(t, err, "Failed to create CAADistributedResolver")
caaDR.URI = testSrv.URL
caaDR.Clients["1.1.1.1"] = new(http.Client)
va, _, _ := setup()
va.caaDR = caaDR
set, err := va.getCAASet(ctx, "bad-local-resolver.com")
test.AssertNotError(t, err, "getCAASet failed to fail back to cdr on timeout")
test.AssertEquals(t, len(set.Issue), 1)
}
func main() {
configFile := flag.String("config", "", "File path to the configuration file for this service")
flag.Parse()
if *configFile == "" {
flag.Usage()
os.Exit(1)
}
var c config
err := cmd.ReadConfigFile(*configFile, &c)
cmd.FailOnError(err, "Reading JSON config file into config structure")
stats, logger := cmd.StatsAndLogging(c.Statsd, c.Syslog)
scope := metrics.NewStatsdScope(stats, "VA")
defer logger.AuditPanic()
logger.Info(cmd.VersionString(clientName))
pc := &cmd.PortConfig{
HTTPPort: 80,
HTTPSPort: 443,
TLSPort: 443,
}
if c.VA.PortConfig.HTTPPort != 0 {
pc.HTTPPort = c.VA.PortConfig.HTTPPort
}
if c.VA.PortConfig.HTTPSPort != 0 {
pc.HTTPSPort = c.VA.PortConfig.HTTPSPort
}
if c.VA.PortConfig.TLSPort != 0 {
pc.TLSPort = c.VA.PortConfig.TLSPort
}
sbc := newGoogleSafeBrowsing(c.VA.GoogleSafeBrowsing)
var cdrClient *cdr.CAADistributedResolver
if c.VA.CAADistributedResolver != nil {
var err error
cdrClient, err = cdr.New(
scope,
c.VA.CAADistributedResolver.Timeout.Duration,
c.VA.CAADistributedResolver.MaxFailures,
c.VA.CAADistributedResolver.Proxies,
logger)
cmd.FailOnError(err, "Failed to create CAADistributedResolver")
}
dnsTimeout, err := time.ParseDuration(c.Common.DNSTimeout)
cmd.FailOnError(err, "Couldn't parse DNS timeout")
dnsTries := c.VA.DNSTries
if dnsTries < 1 {
dnsTries = 1
}
clk := clock.Default()
caaSERVFAILExceptions, err := bdns.ReadHostList(c.VA.CAASERVFAILExceptions)
cmd.FailOnError(err, "Couldn't read CAASERVFAILExceptions file")
var resolver bdns.DNSResolver
if !c.Common.DNSAllowLoopbackAddresses {
r := bdns.NewDNSResolverImpl(
dnsTimeout,
[]string{c.Common.DNSResolver},
caaSERVFAILExceptions,
scope,
clk,
dnsTries)
resolver = r
} else {
r := bdns.NewTestDNSResolverImpl(dnsTimeout, []string{c.Common.DNSResolver}, scope, clk, dnsTries)
resolver = r
}
vai := va.NewValidationAuthorityImpl(
pc,
sbc,
cdrClient,
resolver,
c.VA.UserAgent,
c.VA.IssuerDomain,
scope,
clk,
logger)
amqpConf := c.VA.AMQP
var grpcSrv *grpc.Server
if c.VA.GRPC != nil {
s, l, err := bgrpc.NewServer(c.VA.GRPC, scope)
cmd.FailOnError(err, "Unable to setup VA gRPC server")
err = bgrpc.RegisterValidationAuthorityGRPCServer(s, vai)
cmd.FailOnError(err, "Unable to register VA gRPC server")
go func() {
err = s.Serve(l)
cmd.FailOnError(err, "VA gRPC service failed")
}()
grpcSrv = s
}
vas, err := rpc.NewAmqpRPCServer(amqpConf, c.VA.MaxConcurrentRPCServerRequests, scope, logger)
cmd.FailOnError(err, "Unable to create VA RPC server")
go cmd.CatchSignals(logger, func() {
vas.Stop()
if grpcSrv != nil {
grpcSrv.GracefulStop()
}
})
err = rpc.NewValidationAuthorityServer(vas, vai)
cmd.FailOnError(err, "Unable to setup VA RPC server")
go cmd.DebugServer(c.VA.DebugAddr)
go cmd.ProfileCmd(scope)
err = vas.Start(amqpConf)
cmd.FailOnError(err, "Unable to run VA RPC server")
}
func main() {
app := cmd.NewAppShell("boulder-va", "Handles challenge validation")
app.Action = func(c cmd.Config, stats metrics.Statter, logger blog.Logger) {
go cmd.DebugServer(c.VA.DebugAddr)
go cmd.ProfileCmd("VA", stats)
pc := &cmd.PortConfig{
HTTPPort: 80,
HTTPSPort: 443,
TLSPort: 443,
}
if c.VA.PortConfig.HTTPPort != 0 {
pc.HTTPPort = c.VA.PortConfig.HTTPPort
}
if c.VA.PortConfig.HTTPSPort != 0 {
pc.HTTPSPort = c.VA.PortConfig.HTTPSPort
}
if c.VA.PortConfig.TLSPort != 0 {
pc.TLSPort = c.VA.PortConfig.TLSPort
}
var caaClient caaPB.CAACheckerClient
if c.VA.CAAService != nil {
conn, err := bgrpc.ClientSetup(c.VA.CAAService)
cmd.FailOnError(err, "Failed to load credentials and create connection to service")
caaClient = caaPB.NewCAACheckerClient(conn)
}
scoped := metrics.NewStatsdScope(stats, "VA", "DNS")
sbc := newGoogleSafeBrowsing(c.VA.GoogleSafeBrowsing)
var cdrClient *cdr.CAADistributedResolver
if c.VA.CAADistributedResolver != nil {
var err error
cdrClient, err = cdr.New(
scoped,
c.VA.CAADistributedResolver.Timeout.Duration,
c.VA.CAADistributedResolver.MaxFailures,
c.VA.CAADistributedResolver.Proxies,
logger,
)
cmd.FailOnError(err, "Failed to create CAADistributedResolver")
}
dnsTimeout, err := time.ParseDuration(c.Common.DNSTimeout)
cmd.FailOnError(err, "Couldn't parse DNS timeout")
dnsTries := c.VA.DNSTries
if dnsTries < 1 {
dnsTries = 1
}
clk := clock.Default()
var resolver bdns.DNSResolver
if !c.Common.DNSAllowLoopbackAddresses {
r := bdns.NewDNSResolverImpl(dnsTimeout, []string{c.Common.DNSResolver}, scoped, clk, dnsTries)
r.LookupIPv6 = c.VA.LookupIPv6
resolver = r
} else {
r := bdns.NewTestDNSResolverImpl(dnsTimeout, []string{c.Common.DNSResolver}, scoped, clk, dnsTries)
r.LookupIPv6 = c.VA.LookupIPv6
resolver = r
}
vai := va.NewValidationAuthorityImpl(
pc,
sbc,
caaClient,
cdrClient,
resolver,
c.VA.UserAgent,
c.VA.IssuerDomain,
stats,
clk,
logger)
amqpConf := c.VA.AMQP
if c.VA.GRPC != nil {
s, l, err := bgrpc.NewServer(c.VA.GRPC, metrics.NewStatsdScope(stats, "VA"))
cmd.FailOnError(err, "Unable to setup VA gRPC server")
err = bgrpc.RegisterValidationAuthorityGRPCServer(s, vai)
cmd.FailOnError(err, "Unable to register VA gRPC server")
go func() {
err = s.Serve(l)
cmd.FailOnError(err, "VA gRPC service failed")
}()
}
vas, err := rpc.NewAmqpRPCServer(amqpConf, c.VA.MaxConcurrentRPCServerRequests, stats, logger)
cmd.FailOnError(err, "Unable to create VA RPC server")
err = rpc.NewValidationAuthorityServer(vas, vai)
cmd.FailOnError(err, "Unable to setup VA RPC server")
err = vas.Start(amqpConf)
cmd.FailOnError(err, "Unable to run VA RPC server")
}
app.Run()
}