pgpencryptor: potentially fix crash on encyptor close
We seem to be hitting a bug where the encryptor doesn't initialize
because of a lacking gpg binary, and then crashes on .Close().
This should fix the issue, but is untested.
goroutine 70 [running]:
code.hackerspace.pl/hscloud/bgpwtf/cccampix/pgpencryptor/gpg.(*CLIEncryptor).Close(0x0)
bgpwtf/cccampix/pgpencryptor/gpg/gpg.go:144 +0x22
main.(*service).Encrypt(0xc000345e00, 0x16d13a0, 0xc00047f260, 0x1688400, 0xc00003d4a0)
bgpwtf/cccampix/pgpencryptor/main.go:132 +0x6f9
code.hackerspace.pl/hscloud/bgpwtf/cccampix/proto._PGPEncryptor_Encrypt_Handler(0x133bf00, 0xc000345e00, 0x16c6300, 0xc0000d6000, 0x2247b78, 0xc0001f8000)
bazel-out/k8-fastbuild/bin/bgpwtf/cccampix/proto/linux_amd64_stripped/ix_go_proto%/code.hackerspace.pl/hscloud/bgpwtf/cccampix/proto/ix.pb.go:1816 +0xad
google.golang.org/grpc.(*Server).processStreamingRPC(0xc000160c00, 0x16d6ce0, 0xc000161500, 0xc0001f8000, 0xc0004244e0, 0x21b00e0, 0xc0000c6ff0, 0x0, 0x0)
external/org_golang_google_grpc/server.go:1175 +0xacd
google.golang.org/grpc.(*Server).handleStream(0xc000160c00, 0x16d6ce0, 0xc000161500, 0xc0001f8000, 0xc0000c6ff0)
external/org_golang_google_grpc/server.go:1254 +0xcbe
google.golang.org/grpc.(*Server).serveStreams.func1.1(0xc000404770, 0xc000160c00, 0x16d6ce0, 0xc000161500, 0xc0001f8000)
external/org_golang_google_grpc/server.go:690 +0x9f
created by google.golang.org/grpc.(*Server).serveStreams.func1
external/org_golang_google_grpc/server.go:688 +0xa1
created by google.golang.org/grpc.(*Server).serveStreams.func1
external/org_golang_google_grpc/server.go:688 +0xa1
Change-Id: Idd167a120e157005f44d255a61ef13dc80e8eeed
diff --git a/bgpwtf/cccampix/pgpencryptor/gpg/gpg.go b/bgpwtf/cccampix/pgpencryptor/gpg/gpg.go
index 09fcc7f..0c0792b 100644
--- a/bgpwtf/cccampix/pgpencryptor/gpg/gpg.go
+++ b/bgpwtf/cccampix/pgpencryptor/gpg/gpg.go
@@ -141,9 +141,15 @@
}
func (encryptor *CLIEncryptor) Close() {
- encryptor.stdout.Close()
- encryptor.stderr.Close()
- encryptor.stdin.Close()
+ if encryptor.stdout != nil {
+ encryptor.stdout.Close()
+ }
+ if encryptor.stderr != nil {
+ encryptor.stderr.Close()
+ }
+ if encryptor.stdin != nil {
+ encryptor.stdin.Close()
+ }
os.RemoveAll(encryptor.tempDir)
}
diff --git a/bgpwtf/cccampix/pgpencryptor/main.go b/bgpwtf/cccampix/pgpencryptor/main.go
index 3d73e01..87338b5 100644
--- a/bgpwtf/cccampix/pgpencryptor/main.go
+++ b/bgpwtf/cccampix/pgpencryptor/main.go
@@ -3,10 +3,6 @@
import (
"context"
"flag"
- "github.com/golang/glog"
- "github.com/lib/pq"
- "google.golang.org/grpc/codes"
- "google.golang.org/grpc/status"
"io"
"time"
@@ -15,6 +11,10 @@
"code.hackerspace.pl/hscloud/bgpwtf/cccampix/pgpencryptor/model"
pb "code.hackerspace.pl/hscloud/bgpwtf/cccampix/proto"
"code.hackerspace.pl/hscloud/go/mirko"
+ "github.com/golang/glog"
+ "github.com/lib/pq"
+ "google.golang.org/grpc/codes"
+ "google.golang.org/grpc/status"
)
var (
@@ -126,11 +126,11 @@
senderDone := make(chan struct{})
errors := make(chan error)
enc, err := s.encryptorFactory.Get(key.Fingerprint, key.KeyData)
- defer enc.Close()
if err != nil {
return status.Errorf(codes.Unavailable, "PGPEncryptor error while creating encryptor: %v", err)
}
+ defer enc.Close()
err = enc.WritePlainText(initialMessage.Data)
if err != nil {