/* ** ** 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(const 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