From 5d0ca76229bffd0d3d2e2234033a78cb57e7739c Mon Sep 17 00:00:00 2001 From: Chia-chi Yeh Date: Mon, 6 Jul 2009 11:13:25 +0800 Subject: keystore: Provide a generic getter for native components. --- cmds/keystore/keystore_get.h | 53 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 cmds/keystore/keystore_get.h diff --git a/cmds/keystore/keystore_get.h b/cmds/keystore/keystore_get.h new file mode 100644 index 0000000000..a7fd9a556a --- /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 +#include +#include + +#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 -- cgit v1.2.3-59-g8ed1b