fsck: clean up log output

Make sure we get only 1 warning output per
problem.

Also, add new corruption types to broken_fs_v1.4.

2 files changed, 5 insertions, 9 deletions

diff --git a/internal/contentenc/content.go b/internal/contentenc/content.go
index c4ba7c9..76b486d 100644
--- a/internal/contentenc/content.go
+++ b/internal/contentenc/content.go
@@ -186,7 +186,7 @@ func (be *ContentEnc) DecryptBlock(ciphertext []byte, blockNo uint64, fileID []b
 	plaintext, err := be.cryptoCore.AEADCipher.Open(plaintext, nonce, ciphertext, aData)
 
 	if err != nil {
-		tlog.Warn.Printf("DecryptBlock: %s, len=%d", err.Error(), len(ciphertextOrig))
+		tlog.Debug.Printf("DecryptBlock: %s, len=%d", err.Error(), len(ciphertextOrig))
 		tlog.Debug.Println(hex.Dump(ciphertextOrig))
 		if be.forceDecode && err == stupidgcm.ErrAuth {
 			return plaintext, err
diff --git a/internal/contentenc/file_header.go b/internal/contentenc/file_header.go
index 5e638ff..62d24cb 100644
--- a/internal/contentenc/file_header.go
+++ b/internal/contentenc/file_header.go
@@ -7,11 +7,10 @@ package contentenc
 import (
 	"bytes"
 	"encoding/binary"
+	"fmt"
 	"log"
-	"syscall"
 
 	"github.com/rfjakob/gocryptfs/internal/cryptocore"
-	"github.com/rfjakob/gocryptfs/internal/tlog"
 )
 
 const (
@@ -48,19 +47,16 @@ var allZeroFileID = make([]byte, headerIDLen)
 // ParseHeader - parse "buf" into fileHeader object
 func ParseHeader(buf []byte) (*FileHeader, error) {
 	if len(buf) != HeaderLen {
-		tlog.Warn.Printf("ParseHeader: invalid length: want %d bytes, got %d. Returning EINVAL.", HeaderLen, len(buf))
-		return nil, syscall.EINVAL
+		return nil, fmt.Errorf("ParseHeader: invalid length, want=%d have=%d", HeaderLen, len(buf))
 	}
 	var h FileHeader
 	h.Version = binary.BigEndian.Uint16(buf[0:headerVersionLen])
 	if h.Version != CurrentVersion {
-		tlog.Warn.Printf("ParseHeader: invalid version: want %d, got %d. Returning EINVAL.", CurrentVersion, h.Version)
-		return nil, syscall.EINVAL
+		return nil, fmt.Errorf("ParseHeader: invalid version, want=%d have=%d", CurrentVersion, h.Version)
 	}
 	h.ID = buf[headerVersionLen:]
 	if bytes.Equal(h.ID, allZeroFileID) {
-		tlog.Warn.Printf("ParseHeader: file id is all-zero. Returning EINVAL.")
-		return nil, syscall.EINVAL
+		return nil, fmt.Errorf("ParseHeader: file id is all-zero")
 	}
 	return &h, nil
 }