blob: 22b314150e3fa372bc348d2b899a29d0d58e5a2b [file] [log] [blame]
/* Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
* Host-side misc functions for verified boot.
#include "utility.h"
#include "vboot_struct.h"
/* Copy up to dest_size-1 characters from src to dest, ensuring null
termination (which strncpy() doesn't do). Returns the destination
string. */
char* StrCopy(char* dest, const char* src, int dest_size);
/* Read data from [filename]. Store the size of returned data in [size].
* Returns the data buffer, which the caller must Free(), or NULL if
* error. */
uint8_t* ReadFile(const char* filename, uint64_t* size);
/* Read a string from a file. Passed the destination, dest size, and
* filename to read.
* Returns the destination, or NULL if error. */
char* ReadFileString(char* dest, int size, const char* filename);
/* Read an integer from a file.
* Returns the parsed integer, or -1 if error. */
int ReadFileInt(const char* filename);
/* Check if a bit is set in a file which contains an integer.
* Returns 1 if the bit is set, 0 if clear, or -1 if error. */
int ReadFileBit(const char* filename, int bitmask);
/* Writes [size] bytes of [data] to [filename].
* Returns 0 if success, 1 if error. */
int WriteFile(const char* filename, const void *data, uint64_t size);
/* Prints the sha1sum of the given VbPublicKey to stdout. */
void PrintPubKeySha1Sum(VbPublicKey* key);