gocryptfs-xray: integrate ctlsock path encryption/decryption

Implementation seems to work ok, but is missing tests and
documentation for now.
I will only delete ctlsock-encrypt.bash when both are
done.

https://github.com/rfjakob/gocryptfs/issues/416

1 files changed, 43 insertions, 0 deletions

diff --git a/gocryptfs-xray/paths_ctlsock.go b/gocryptfs-xray/paths_ctlsock.go
new file mode 100644
index 0000000..3c69ec3
--- /dev/null
+++ b/gocryptfs-xray/paths_ctlsock.go
@@ -0,0 +1,43 @@
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+
+	"github.com/rfjakob/gocryptfs/ctlsock"
+)
+
+func decryptPaths(socketPath string) {
+	var req ctlsock.RequestStruct
+	transformPaths(socketPath, &req, &req.DecryptPath)
+}
+
+func encryptPaths(socketPath string) {
+	var req ctlsock.RequestStruct
+	transformPaths(socketPath, &req, &req.EncryptPath)
+}
+
+func transformPaths(socketPath string, req *ctlsock.RequestStruct, in *string) {
+	c, err := ctlsock.New(socketPath)
+	if err != nil {
+		fmt.Printf("fatal: %v\n", err)
+		os.Exit(1)
+	}
+	line := 0
+	scanner := bufio.NewScanner(os.Stdin)
+	for scanner.Scan() {
+		line++
+		*in = scanner.Text()
+		resp, err := c.Query(req)
+		if err != nil {
+			fmt.Fprintf(os.Stderr, "error at input line %d %q: %v\n", line, *in, err)
+			continue
+		}
+		if resp.WarnText != "" {
+			fmt.Fprintf(os.Stderr, "warning at input line %d %q: %v\n", line, *in, resp.WarnText)
+		}
+		fmt.Println(resp.Result)
+	}
+	os.Exit(0)
+}