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[v3,3/3] crypto: add mode check in qcrypto_cipher_new() for cipher-builtin

Message ID 1474881803-370860-4-git-send-email-arei.gonglei@huawei.com
State New
Headers show

Commit Message

Gonglei (Arei) Sept. 26, 2016, 9:23 a.m. UTC 
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
---
 crypto/cipher-builtin.c | 11 +++++++++++
 1 file changed, 11 insertions(+)
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Patch

diff --git a/crypto/cipher-builtin.c b/crypto/cipher-builtin.c
index fd59a9e..b4bc2b9 100644
--- a/crypto/cipher-builtin.c
+++ b/crypto/cipher-builtin.c
@@ -433,6 +433,17 @@  QCryptoCipher *qcrypto_cipher_new(QCryptoCipherAlgorithm alg,
 {
     QCryptoCipher *cipher;
 
+    switch (mode) {
+    case QCRYPTO_CIPHER_MODE_ECB:
+    case QCRYPTO_CIPHER_MODE_CBC:
+    case QCRYPTO_CIPHER_MODE_XTS:
+        break;
+    default:
+        error_setg(errp, "Unsupported cipher mode %s",
+                   QCryptoCipherMode_lookup[mode]);
+        return NULL;
+    }
+
     cipher = g_new0(QCryptoCipher, 1);
     cipher->alg = alg;
     cipher->mode = mode;