Major refactoring: Split up "cryptfs" into several internal packages

"git status" for reference:

deleted:    cryptfs/cryptfs.go
deleted:    cryptfs/names_core.go
modified:   integration_tests/cli_test.go
modified:   integration_tests/helpers.go
renamed:    cryptfs/config_file.go -> internal/configfile/config_file.go
renamed:    cryptfs/config_test.go -> internal/configfile/config_test.go
renamed:    cryptfs/config_test/.gitignore -> internal/configfile/config_test/.gitignore
renamed:    cryptfs/config_test/PlaintextNames.conf -> internal/configfile/config_test/PlaintextNames.conf
renamed:    cryptfs/config_test/StrangeFeature.conf -> internal/configfile/config_test/StrangeFeature.conf
renamed:    cryptfs/config_test/v1.conf -> internal/configfile/config_test/v1.conf
renamed:    cryptfs/config_test/v2.conf -> internal/configfile/config_test/v2.conf
renamed:    cryptfs/kdf.go -> internal/configfile/kdf.go
renamed:    cryptfs/kdf_test.go -> internal/configfile/kdf_test.go
renamed:    cryptfs/cryptfs_content.go -> internal/contentenc/content.go
new file:   internal/contentenc/content_api.go
renamed:    cryptfs/content_test.go -> internal/contentenc/content_test.go
renamed:    cryptfs/file_header.go -> internal/contentenc/file_header.go
renamed:    cryptfs/intrablock.go -> internal/contentenc/intrablock.go
renamed:    cryptfs/address_translation.go -> internal/contentenc/offsets.go
new file:   internal/cryptocore/crypto_api.go
renamed:    cryptfs/gcm_go1.4.go -> internal/cryptocore/gcm_go1.4.go
renamed:    cryptfs/gcm_go1.5.go -> internal/cryptocore/gcm_go1.5.go
renamed:    cryptfs/nonce.go -> internal/cryptocore/nonce.go
renamed:    cryptfs/openssl_aead.go -> internal/cryptocore/openssl_aead.go
renamed:    cryptfs/openssl_benchmark.bash -> internal/cryptocore/openssl_benchmark.bash
renamed:    cryptfs/openssl_test.go -> internal/cryptocore/openssl_test.go
new file:   internal/nametransform/name_api.go
new file:   internal/nametransform/names_core.go
renamed:    cryptfs/names_diriv.go -> internal/nametransform/names_diriv.go
renamed:    cryptfs/names_noiv.go -> internal/nametransform/names_noiv.go
renamed:    cryptfs/names_test.go -> internal/nametransform/names_test.go
new file:   internal/nametransform/pad16.go
renamed:    cryptfs/log.go -> internal/toggledlog/log.go
renamed:    cryptfs/log_go1.4.go -> internal/toggledlog/log_go1.4.go
renamed:    cryptfs/log_go1.5.go -> internal/toggledlog/log_go1.5.go
modified:   main.go
modified:   masterkey.go
modified:   pathfs_frontend/file.go
modified:   pathfs_frontend/file_holes.go
modified:   pathfs_frontend/fs.go
modified:   pathfs_frontend/fs_dir.go
modified:   pathfs_frontend/names.go
modified:   test.bash

1 files changed, 0 insertions, 61 deletions

diff --git a/cryptfs/log.go b/cryptfs/log.go
deleted file mode 100644
index 19d8b51..0000000
--- a/cryptfs/log.go
+++ /dev/null
@@ -1,61 +0,0 @@
-package cryptfs
-
-import (
-	"encoding/json"
-	"fmt"
-	"log"
-	"os"
-)
-
-func JSONDump(obj interface{}) string {
-	b, err := json.MarshalIndent(obj, "", "\t")
-	if err != nil {
-		return err.Error()
-	} else {
-		return string(b)
-	}
-}
-
-// toggledLogger - a Logger than can be enabled and disabled
-type toggledLogger struct {
-	// Enable or disable output
-	Enabled bool
-	// Panic after logging a message, useful in regression tests
-	PanicAfter bool
-	*log.Logger
-}
-
-func (l *toggledLogger) Printf(format string, v ...interface{}) {
-	if !l.Enabled {
-		return
-	}
-	l.Logger.Printf(format, v...)
-	if l.PanicAfter {
-		panic("PanicAfter: " + fmt.Sprintf(format, v...))
-	}
-}
-func (l *toggledLogger) Println(v ...interface{}) {
-	if !l.Enabled {
-		return
-	}
-	l.Logger.Println(v...)
-	if l.PanicAfter {
-		panic("PanicAfter: " + fmt.Sprintln(v...))
-	}
-}
-
-// As defined by http://elinux.org/Debugging_by_printing#Log_Levels
-// Debug messages
-var Debug *toggledLogger
-
-// Informational message e.g. startup information
-var Info *toggledLogger
-
-// A warning, meaning nothing serious by itself but might indicate problems
-var Warn *toggledLogger
-
-func init() {
-	Debug = &toggledLogger{false, false, log.New(os.Stdout, "", 0)}
-	Info = &toggledLogger{true, false, log.New(os.Stdout, "", 0)}
-	Warn = &toggledLogger{true, false, log.New(os.Stderr, "", 0)}
-}