Fix warnings and compilation with older valac

3 files changed, 58 insertions, 46 deletions

diff --git a/plugins/crypto-vala/src/cipher.vala b/plugins/crypto-vala/src/cipher.vala
index b5236314..75e5d26e 100644
--- a/plugins/crypto-vala/src/cipher.vala
+++ b/plugins/crypto-vala/src/cipher.vala
@@ -11,18 +11,18 @@ public class SymmetricCipher {
 
     private static unowned string mode_to_string(GCrypt.Cipher.Mode mode) {
         switch (mode) {
-            case ECB: return "ECB";
-            case CFB: return "CFB";
-            case CBC: return "CBC";
-            case STREAM: return "STREAM";
-            case OFB: return "OFB";
-            case CTR: return "CTR";
-            case AESWRAP: return "AESWRAP";
-            case GCM: return "GCM";
-            case POLY1305: return "POLY1305";
-            case OCB: return "OCB";
-            case CFB8: return "CFB8";
-            case XTS: return "XTS";
+            case GCrypt.Cipher.Mode.ECB: return "ECB";
+            case GCrypt.Cipher.Mode.CFB: return "CFB";
+            case GCrypt.Cipher.Mode.CBC: return "CBC";
+            case GCrypt.Cipher.Mode.STREAM: return "STREAM";
+            case GCrypt.Cipher.Mode.OFB: return "OFB";
+            case GCrypt.Cipher.Mode.CTR: return "CTR";
+            case GCrypt.Cipher.Mode.AESWRAP: return "AESWRAP";
+            case GCrypt.Cipher.Mode.GCM: return "GCM";
+            case GCrypt.Cipher.Mode.POLY1305: return "POLY1305";
+            case GCrypt.Cipher.Mode.OCB: return "OCB";
+            case GCrypt.Cipher.Mode.CFB8: return "CFB8";
+            case GCrypt.Cipher.Mode.XTS: return "XTS";
         }
         return "NONE";
     }
diff --git a/plugins/crypto-vala/src/cipher_converter.vala b/plugins/crypto-vala/src/cipher_converter.vala
index 72e11dcd..f1363fb0 100644
--- a/plugins/crypto-vala/src/cipher_converter.vala
+++ b/plugins/crypto-vala/src/cipher_converter.vala
@@ -16,7 +16,11 @@ public abstract class SymmetricCipherConverter : Converter, Object {
     }
 
     public void reset() {
-        cipher.reset();
+        try {
+            cipher.reset();
+        } catch (Crypto.Error e) {
+            warning(@"$(e.domain) error while resetting cipher: $(e.message)");
+        }
     }
 }
 
@@ -33,22 +37,26 @@ public class SymmetricCipherEncrypter : SymmetricCipherConverter {
         if ((flags & ConverterFlags.INPUT_AT_END) != 0 && inbuf.length + attached_taglen > outbuf.length) {
             throw new IOError.NO_SPACE("CipherConverter needs additional output space to attach tag");
         }
-        if (inbuf.length > 0) {
-            cipher.encrypt(outbuf, inbuf);
-        }
-        bytes_read = inbuf.length;
-        bytes_written = inbuf.length;
-        if ((flags & ConverterFlags.INPUT_AT_END) != 0) {
-            if (attached_taglen > 0) {
-                Memory.copy((uint8*)outbuf + inbuf.length, get_tag(attached_taglen), attached_taglen);
-                bytes_written = inbuf.length + attached_taglen;
+        try {
+            if (inbuf.length > 0) {
+                cipher.encrypt(outbuf, inbuf);
             }
-            return ConverterResult.FINISHED;
-        }
-        if ((flags & ConverterFlags.FLUSH) != 0) {
-            return ConverterResult.FLUSHED;
+            bytes_read = inbuf.length;
+            bytes_written = inbuf.length;
+            if ((flags & ConverterFlags.INPUT_AT_END) != 0) {
+                if (attached_taglen > 0) {
+                    Memory.copy((uint8*)outbuf + inbuf.length, get_tag(attached_taglen), attached_taglen);
+                    bytes_written = inbuf.length + attached_taglen;
+                }
+                return ConverterResult.FINISHED;
+            }
+            if ((flags & ConverterFlags.FLUSH) != 0) {
+                return ConverterResult.FLUSHED;
+            }
+            return ConverterResult.CONVERTED;
+        } catch (Crypto.Error e) {
+            throw new IOError.FAILED(@"$(e.domain) error while decrypting: $(e.message)");
         }
-        return ConverterResult.CONVERTED;
     }
 }
 
@@ -67,26 +75,30 @@ public class SymmetricCipherDecrypter : SymmetricCipherConverter {
         } else if ((flags & ConverterFlags.INPUT_AT_END) == 0 && inbuf.length < attached_taglen + 1) {
             throw new IOError.PARTIAL_INPUT("CipherConverter needs additional input to make sure to not accidentally read tag");
         }
-        inbuf.length -= (int) attached_taglen;
-        if (inbuf.length > 0) {
-            cipher.decrypt(outbuf, inbuf);
-        }
-        bytes_read = inbuf.length;
-        bytes_written = inbuf.length;
-        inbuf.length += (int) attached_taglen;
-        if ((flags & ConverterFlags.INPUT_AT_END) != 0) {
-            if (attached_taglen > 0) {
-                print("Checking tag\n");
-                check_tag(inbuf[(inbuf.length - attached_taglen):inbuf.length]);
-                print("tag ok\n");
-                bytes_read = inbuf.length;
+        try {
+            inbuf.length -= (int) attached_taglen;
+            if (inbuf.length > 0) {
+                cipher.decrypt(outbuf, inbuf);
             }
-            return ConverterResult.FINISHED;
-        }
-        if ((flags & ConverterFlags.FLUSH) != 0) {
-            return ConverterResult.FLUSHED;
+            bytes_read = inbuf.length;
+            bytes_written = inbuf.length;
+            inbuf.length += (int) attached_taglen;
+            if ((flags & ConverterFlags.INPUT_AT_END) != 0) {
+                if (attached_taglen > 0) {
+                    print("Checking tag\n");
+                    check_tag(inbuf[(inbuf.length - attached_taglen):inbuf.length]);
+                    print("tag ok\n");
+                    bytes_read = inbuf.length;
+                }
+                return ConverterResult.FINISHED;
+            }
+            if ((flags & ConverterFlags.FLUSH) != 0) {
+                return ConverterResult.FLUSHED;
+            }
+            return ConverterResult.CONVERTED;
+        } catch (Crypto.Error e) {
+            throw new IOError.FAILED(@"$(e.domain) error while decrypting: $(e.message)");
         }
-        return ConverterResult.CONVERTED;
     }
 }
 }
\ No newline at end of file
diff --git a/plugins/crypto-vala/src/error.vala b/plugins/crypto-vala/src/error.vala
index c694dfc7..bae4ad08 100644
--- a/plugins/crypto-vala/src/error.vala
+++ b/plugins/crypto-vala/src/error.vala
@@ -5,7 +5,7 @@ public errordomain Error {
     GCRYPT
 }
 
-internal void may_throw_gcrypt_error(GCrypt.Error e) throws GLib.Error {
+internal void may_throw_gcrypt_error(GCrypt.Error e) throws Error {
     if (((int)e) != 0) {
         throw new Crypto.Error.GCRYPT(e.to_string());
     }