Update print-esp.c

diff --git a/print-esp.c b/print-esp.c
index 748fb4a1486dcc43ed224e8fd00a4373f316856f..6ba92eda962d495e5255c6429036e2acff7dd7eb 100644 (file)
--- a/print-esp.c
+++ b/print-esp.c
@@ -191,23 +191,23 @@ int esp_print_decrypt_buffer_by_ikev2(netdissect_options *ndo,
                return 0;
        if (EVP_CipherInit(ctx, sa->evp, sa->secret, NULL, 0) < 0)
                (*ndo->ndo_warning)(ndo, "espkey init failed");
-        EVP_CipherInit(ctx, NULL, NULL, iv, 0);
+       EVP_CipherInit(ctx, NULL, NULL, iv, 0);
 
-        /* We need a block size */
-        block_size = EVP_CIPHER_CTX_block_size(ctx);
-        /* We need the buffer size to be multiple of a block size */
-        output_buffer_size = len + (block_size - len % block_size);
-        output_buffer = (u_char *)calloc(output_buffer_size, sizeof(u_char));
+       /* We need a block size */
+       block_size = EVP_CIPHER_CTX_block_size(ctx);
+       /* We need the buffer size to be multiple of a block size */
+       output_buffer_size = len + (block_size - len % block_size);
+       output_buffer = (u_char *)calloc(output_buffer_size, sizeof(u_char));
        /* EVP_Cipher output buffer should be different from the input one.
-         * Also it should be of size that is multiple of cipher block size. */
+        * Also it should be of size that is multiple of cipher block size. */
        EVP_Cipher(ctx, output_buffer, buf, len);
        EVP_CIPHER_CTX_free(ctx);
 
-        buf_mut = (u_char*) buf;
-        /* Of course this is wrong, because buf is a const buffer, but changing this
-         * would require more complicated fix. */
-        memcpy(buf_mut, output_buffer, len);
-        free(output_buffer);
+       buf_mut = (u_char*) buf;
+       /* Of course this is wrong, because buf is a const buffer, but changing this
+        * would require more complicated fix. */
+       memcpy(buf_mut, output_buffer, len);
+       free(output_buffer);
 
        ndo->ndo_packetp = buf;
        ndo->ndo_snapend = end;