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authorChia-chi Yeh <chiachi@android.com>2009-07-06 11:13:25 +0800
committerChia-chi Yeh <chiachi@android.com>2009-07-06 14:33:09 +0800
commitfd70bed692859913562907f4b6681f50a90f831b (patch)
tree1833c3b919ecc178b3a107799adf4ea48c711f22 /cmds
parent4492bcb851f4ee862a446664eb9045045ebb7b5e (diff)
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keystore: Provide a generic getter for native components.
Diffstat (limited to 'cmds')
-rw-r--r--cmds/keystore/keystore_get.h53
1 files changed, 53 insertions, 0 deletions
diff --git a/cmds/keystore/keystore_get.h b/cmds/keystore/keystore_get.h
new file mode 100644
index 0000000..a7fd9a5
--- /dev/null
+++ b/cmds/keystore/keystore_get.h
@@ -0,0 +1,53 @@
+/*
+**
+** Copyright 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.
+*/
+
+#ifndef __KEYSTORE_GET_H__
+#define __KEYSTORE_GET_H__
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "certtool.h"
+
+/* This function is provided to native components to get values from keystore.
+ * Users are required to link against libcutils. If something goes wrong, NULL
+ * is returned. Otherwise it returns the value in dynamically allocated memory
+ * and sets the size if the pointer is not NULL. One can release the memory by
+ * calling free(). */
+static char *keystore_get(char *key, int *size)
+{
+ char buffer[MAX_KEY_VALUE_LENGTH];
+ char *value;
+ int length;
+
+ if (get_cert(key, (unsigned char *)buffer, &length) != 0) {
+ return NULL;
+ }
+ value = malloc(length + 1);
+ if (!value) {
+ return NULL;
+ }
+ memcpy(value, buffer, length);
+ value[length] = 0;
+ if (size) {
+ *size = length;
+ }
+ return value;
+}
+
+#endif