Move keystore from frameworks/base

Move keystore from frameworks/base at commit
57ff581bd9b16a192a567f84d0e0a5c82d866343

Change-Id: I1e62488d63810f14e40ffb3d192925ff4eeb8906
diff --git a/keystore/keystore_cli.cpp b/keystore/keystore_cli.cpp
new file mode 100644
index 0000000..dcd3bcb
--- /dev/null
+++ b/keystore/keystore_cli.cpp
@@ -0,0 +1,95 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdio.h>
+#include <stdint.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+
+#include <cutils/sockets.h>
+
+#include "keystore.h"
+
+static const char* responses[] = {
+    NULL,
+    /* [NO_ERROR]           = */ "No error",
+    /* [LOCKED]             = */ "Locked",
+    /* [UNINITIALIZED]      = */ "Uninitialized",
+    /* [SYSTEM_ERROR]       = */ "System error",
+    /* [PROTOCOL_ERROR]     = */ "Protocol error",
+    /* [PERMISSION_DENIED]  = */ "Permission denied",
+    /* [KEY_NOT_FOUND]      = */ "Key not found",
+    /* [VALUE_CORRUPTED]    = */ "Value corrupted",
+    /* [UNDEFINED_ACTION]   = */ "Undefined action",
+    /* [WRONG_PASSWORD]     = */ "Wrong password (last chance)",
+    /* [WRONG_PASSWORD + 1] = */ "Wrong password (2 tries left)",
+    /* [WRONG_PASSWORD + 2] = */ "Wrong password (3 tries left)",
+    /* [WRONG_PASSWORD + 3] = */ "Wrong password (4 tries left)",
+};
+
+int main(int argc, char* argv[])
+{
+    if (argc < 2) {
+        printf("Usage: %s action [parameter ...]\n", argv[0]);
+        return 0;
+    }
+
+    int sock = socket_local_client("keystore", ANDROID_SOCKET_NAMESPACE_RESERVED,
+                                   SOCK_STREAM);
+    if (sock == -1) {
+        puts("Failed to connect");
+        return 1;
+    }
+
+    send(sock, argv[1], 1, 0);
+    uint8_t bytes[65536];
+    for (int i = 2; i < argc; ++i) {
+        uint16_t length = strlen(argv[i]);
+        bytes[0] = length >> 8;
+        bytes[1] = length;
+        send(sock, &bytes, 2, 0);
+        send(sock, argv[i], length, 0);
+    }
+    shutdown(sock, SHUT_WR);
+
+    uint8_t code;
+    if (recv(sock, &code, 1, 0) != 1) {
+        puts("Failed to receive");
+        return 1;
+    }
+    printf("%d %s\n", code , responses[code] ? responses[code] : "Unknown");
+    int i;
+    while ((i = recv(sock, &bytes[0], 1, 0)) == 1) {
+        int length;
+        int offset;
+        if ((i = recv(sock, &bytes[1], 1, 0)) != 1) {
+            puts("Failed to receive");
+            return 1;
+        }
+        length = bytes[0] << 8 | bytes[1];
+        for (offset = 0; offset < length; offset += i) {
+            i = recv(sock, &bytes[offset], length - offset, 0);
+            if (i <= 0) {
+                puts("Failed to receive");
+                return 1;
+            }
+        }
+        fwrite(bytes, 1, length, stdout);
+        puts("");
+    }
+    return 0;
+}