commit 90d6f60d0727df084b62674bf2310ac74467a5a4
author Daniel P. Berrange <berrange@redhat.com> Mon Sep 05 18:02:05 2016 +0100
committer Daniel P. Berrange <berrange@redhat.com> Mon Sep 12 12:00:52 2016 +0100
tree 1c567d6887ca2027f804860f49fcfc81486f17b0
parent d9269b274a9a08c8cbae14deb514d4e30b4095cf

crypto: report enum strings instead of values in errors

Several error messages print out the raw enum value, which
is less than helpful to users, as these values are not
documented, nor stable across QEMU releases. Switch to use
the enum string instead.

The nettle impl also had two typos where it mistakenly
said "algorithm" instead of "mode", and actually reported
the algorithm value too.

Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>

crypto/block.c

diff --git a/crypto/block.c b/crypto/block.c
index be823ee..64c8420 100644
--- a/crypto/block.c
+++ b/crypto/block.c
@@ -59,7 +59,8 @@
 
     if (options->format >= G_N_ELEMENTS(qcrypto_block_drivers) ||
         !qcrypto_block_drivers[options->format]) {
-        error_setg(errp, "Unsupported block driver %d", options->format);
+        error_setg(errp, "Unsupported block driver %s",
+                   QCryptoBlockFormat_lookup[options->format]);
         g_free(block);
         return NULL;
     }
@@ -88,7 +89,8 @@
 
     if (options->format >= G_N_ELEMENTS(qcrypto_block_drivers) ||
         !qcrypto_block_drivers[options->format]) {
-        error_setg(errp, "Unsupported block driver %d", options->format);
+        error_setg(errp, "Unsupported block driver %s",
+                   QCryptoBlockFormat_lookup[options->format]);
         g_free(block);
         return NULL;
     }

crypto/cipher-builtin.c

diff --git a/crypto/cipher-builtin.c b/crypto/cipher-builtin.c
index 88963f6..9d25842 100644
--- a/crypto/cipher-builtin.c
+++ b/crypto/cipher-builtin.c
@@ -244,7 +244,8 @@
     if (cipher->mode != QCRYPTO_CIPHER_MODE_CBC &&
         cipher->mode != QCRYPTO_CIPHER_MODE_ECB &&
         cipher->mode != QCRYPTO_CIPHER_MODE_XTS) {
-        error_setg(errp, "Unsupported cipher mode %d", cipher->mode);
+        error_setg(errp, "Unsupported cipher mode %s",
+                   QCryptoCipherMode_lookup[cipher->mode]);
         return -1;
     }
 
@@ -376,7 +377,8 @@
     QCryptoCipherBuiltin *ctxt;
 
     if (cipher->mode != QCRYPTO_CIPHER_MODE_ECB) {
-        error_setg(errp, "Unsupported cipher mode %d", cipher->mode);
+        error_setg(errp, "Unsupported cipher mode %s",
+                   QCryptoCipherMode_lookup[cipher->mode]);
         return -1;
     }
 
@@ -442,7 +444,8 @@
         break;
     default:
         error_setg(errp,
-                   "Unsupported cipher algorithm %d", cipher->alg);
+                   "Unsupported cipher algorithm %s",
+                   QCryptoCipherAlgorithm_lookup[cipher->alg]);
         goto error;
     }
 

crypto/cipher-gcrypt.c

diff --git a/crypto/cipher-gcrypt.c b/crypto/cipher-gcrypt.c
index 3652aa1..da3f4c7 100644
--- a/crypto/cipher-gcrypt.c
+++ b/crypto/cipher-gcrypt.c
@@ -70,7 +70,8 @@
         gcrymode = GCRY_CIPHER_MODE_CBC;
         break;
     default:
-        error_setg(errp, "Unsupported cipher mode %d", mode);
+        error_setg(errp, "Unsupported cipher mode %s",
+                   QCryptoCipherMode_lookup[mode]);
         return NULL;
     }
 
@@ -120,7 +121,8 @@
         break;
 
     default:
-        error_setg(errp, "Unsupported cipher algorithm %d", alg);
+        error_setg(errp, "Unsupported cipher algorithm %s",
+                   QCryptoCipherAlgorithm_lookup[alg]);
         return NULL;
     }
 

crypto/cipher-nettle.c

diff --git a/crypto/cipher-nettle.c b/crypto/cipher-nettle.c
index 0267da5..879d831 100644
--- a/crypto/cipher-nettle.c
+++ b/crypto/cipher-nettle.c
@@ -227,7 +227,8 @@
     case QCRYPTO_CIPHER_MODE_XTS:
         break;
     default:
-        error_setg(errp, "Unsupported cipher mode %d", mode);
+        error_setg(errp, "Unsupported cipher mode %s",
+                   QCryptoCipherMode_lookup[mode]);
         return NULL;
     }
 
@@ -357,7 +358,8 @@
         break;
 
     default:
-        error_setg(errp, "Unsupported cipher algorithm %d", alg);
+        error_setg(errp, "Unsupported cipher algorithm %s",
+                   QCryptoCipherAlgorithm_lookup[alg]);
         goto error;
     }
 
@@ -429,8 +431,8 @@
         break;
 
     default:
-        error_setg(errp, "Unsupported cipher algorithm %d",
-                   cipher->alg);
+        error_setg(errp, "Unsupported cipher mode %s",
+                   QCryptoCipherMode_lookup[cipher->mode]);
         return -1;
     }
     return 0;
@@ -469,8 +471,8 @@
         break;
 
     default:
-        error_setg(errp, "Unsupported cipher algorithm %d",
-                   cipher->alg);
+        error_setg(errp, "Unsupported cipher mode %s",
+                   QCryptoCipherMode_lookup[cipher->mode]);
         return -1;
     }
     return 0;