54 lines
1.5 KiB
C
54 lines
1.5 KiB
C
/*
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**
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** Copyright 2009, The Android Open Source Project
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**
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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**
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** http://www.apache.org/licenses/LICENSE-2.0
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**
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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*/
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#ifndef __KEYSTORE_GET_H__
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#define __KEYSTORE_GET_H__
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "certtool.h"
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/* This function is provided to native components to get values from keystore.
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* Users are required to link against libcutils. If something goes wrong, NULL
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* is returned. Otherwise it returns the value in dynamically allocated memory
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* and sets the size if the pointer is not NULL. One can release the memory by
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* calling free(). */
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static char *keystore_get(char *key, int *size)
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{
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char buffer[MAX_KEY_VALUE_LENGTH];
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char *value;
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int length;
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if (get_cert(key, (unsigned char *)buffer, &length) != 0) {
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return NULL;
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}
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value = malloc(length + 1);
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if (!value) {
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return NULL;
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}
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memcpy(value, buffer, length);
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value[length] = 0;
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if (size) {
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*size = length;
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}
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return value;
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}
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#endif
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