diff options
Diffstat (limited to 'utility/mount-encrypted.h')
| -rw-r--r-- | utility/mount-encrypted.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/utility/mount-encrypted.h b/utility/mount-encrypted.h new file mode 100644 index 00000000..df5b1d2d --- /dev/null +++ b/utility/mount-encrypted.h @@ -0,0 +1,99 @@ +/* Copyright (c) 2012 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. + * + * Private header file for mount-encrypted helper tool. + */ +#ifndef _MOUNT_ENCRYPTED_H_ +#define _MOUNT_ENCRYPTED_H_ + +/* TODO(keescook): Disable debugging in production. */ +#define DEBUG_ENABLED 1 + +#include <openssl/err.h> +#include <openssl/sha.h> + +#define DIGEST_LENGTH SHA256_DIGEST_LENGTH + +#define _ERROR(f, a...) do { \ + fprintf(stderr, "ERROR %s (%s, %d): ", \ + __func__, __FILE__, __LINE__); \ + fprintf(stderr, f, ## a); \ +} while (0) +#define ERROR(f, a...) do { \ + _ERROR(f, ## a); \ + fprintf(stderr, "\n"); \ +} while (0) +#define PERROR(f, a...) do { \ + _ERROR(f, ## a); \ + fprintf(stderr, ": %s\n", strerror(errno)); \ +} while (0) + +#define SSL_ERROR(f, a...) do { \ + ERR_load_crypto_strings(); \ + _ERROR(f, ## a); \ + fprintf(stderr, "%s\n", ERR_error_string(ERR_get_error(), NULL)); \ +} while (0) + +#if DEBUG_ENABLED +static struct timeval tick; +# define TICK_INIT() gettimeofday(&tick, NULL) +# ifdef DEBUG_TIME_DELTA +# define TICK_REPORT() do { \ + struct timeval now, diff; \ + gettimeofday(&now, NULL); \ + diff.tv_sec = now.tv_sec - tick.tv_sec; \ + if (tick.tv_usec > now.tv_usec) { \ + diff.tv_sec -= 1; \ + diff.tv_usec = 1000000 - tick.tv_usec + now.tv_usec; \ + } else { \ + diff.tv_usec = now.tv_usec - tick.tv_usec; \ + } \ + tick = now; \ + printf("\tTook: [%2d.%06d]\n", (int)diff.tv_sec, (int)diff.tv_usec); \ +} while (0) +# else +# define TICK_REPORT() do { \ + gettimeofday(&tick, NULL); \ + printf("[%d:%2d.%06d] ", getpid(), (int)tick.tv_sec, (int)tick.tv_usec); \ +} while (0) +# endif +#else +# define TICK_INIT() do { } while (0) +# define TICK_REPORT() do { } while (0) +#endif + +#define INFO(f, a...) do { \ + TICK_REPORT(); \ + printf(f, ## a); \ + printf("\n"); \ +} while (0) +#define INFO_INIT(f, a...) do { \ + TICK_INIT(); \ + INFO(f, ## a); \ +} while (0) +#if DEBUG_ENABLED +# define DEBUG(f, a...) do { \ + printf(f, ## a); \ + printf("\n"); \ +} while (0) +#else +# define DEBUG(f, a...) do { } while (0) +#endif + +#if DEBUG_ENABLED +static inline void debug_dump_hex(const char *name, uint8_t *data, + uint32_t size) +{ + int i; + printf("%s: ", name); + for (i = 0; i < size; i++) { + printf("%02x ", data[i]); + } + printf("\n"); +} +#else +# define debug_dump_hex(n, d, s) do { } while (0) +#endif + +#endif /* _MOUNT_ENCRYPTED_H_ */ |