diff options
Diffstat (limited to 'tools/env/fw_env.c')
| -rw-r--r-- | tools/env/fw_env.c | 64 |
1 files changed, 12 insertions, 52 deletions
diff --git a/tools/env/fw_env.c b/tools/env/fw_env.c index 7f851e1647..bd195b4265 100644 --- a/tools/env/fw_env.c +++ b/tools/env/fw_env.c @@ -34,8 +34,6 @@ #include "fw_env.h" -#include <aes.h> - #define DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d)) #define WHITESPACE(c) ((c == '\t') || (c == ' ')) @@ -105,9 +103,6 @@ static struct environment environment = { .flag_scheme = FLAG_NONE, }; -/* Is AES encryption used? */ -static int aes_flag; -static uint8_t aes_key[AES_KEY_LENGTH] = { 0 }; static int env_aes_cbc_crypt(char *data, const int enc); static int HaveRedundEnv = 0; @@ -125,7 +120,6 @@ static int parse_config (void); #if defined(CONFIG_FILE) static int get_config (char *); -static char *config_file = CONFIG_FILE; #endif static inline ulong getenvsize (void) { @@ -134,7 +128,7 @@ static inline ulong getenvsize (void) if (HaveRedundEnv) rc -= sizeof (char); - if (aes_flag) + if (common_args.aes_flag) rc &= ~(AES_KEY_LENGTH - 1); return rc; @@ -208,7 +202,7 @@ char *fw_getdefenv(char *name) return NULL; } -static int parse_aes_key(char *key, uint8_t *bin_key) +int parse_aes_key(char *key, uint8_t *bin_key) { char tmp[5] = { '0', 'x', 0, 0, 0 }; unsigned long ul; @@ -243,32 +237,16 @@ static int parse_aes_key(char *key, uint8_t *bin_key) int fw_printenv (int argc, char *argv[]) { char *env, *nxt; - int i, n_flag; - int rc = 0; + int i, rc = 0; #ifdef CONFIG_FILE if (argc >= 2 && strcmp(argv[1], "-c") == 0) { - if (argc < 3) { - fprintf(stderr, - "## Error: '-c' option requires the config file to use\n"); - return -1; - } - config_file = argv[2]; argv += 2; argc -= 2; } #endif if (argc >= 2 && strcmp(argv[1], "-a") == 0) { - if (argc < 3) { - fprintf(stderr, - "## Error: '-a' option requires AES key\n"); - return -1; - } - rc = parse_aes_key(argv[2], aes_key); - if (rc) - return rc; - aes_flag = 1; argv += 2; argc -= 2; } @@ -292,7 +270,6 @@ int fw_printenv (int argc, char *argv[]) } if (strcmp (argv[1], "-n") == 0) { - n_flag = 1; ++argv; --argc; if (argc != 2) { @@ -300,8 +277,6 @@ int fw_printenv (int argc, char *argv[]) "`-n' option requires exactly one argument\n"); return -1; } - } else { - n_flag = 0; } for (i = 1; i < argc; ++i) { /* print single env variables */ @@ -319,7 +294,7 @@ int fw_printenv (int argc, char *argv[]) } val = envmatch (name, env); if (val) { - if (!n_flag) { + if (!printenv_args.name_suppress) { fputs (name, stdout); putc ('=', stdout); } @@ -339,7 +314,7 @@ int fw_printenv (int argc, char *argv[]) int fw_env_close(void) { int ret; - if (aes_flag) { + if (common_args.aes_flag) { ret = env_aes_cbc_crypt(environment.data, 1); if (ret) { fprintf(stderr, @@ -495,7 +470,7 @@ int fw_env_write(char *name, char *value) */ int fw_setenv(int argc, char *argv[]) { - int i, rc; + int i; size_t len; char *name, **valv; char *value = NULL; @@ -503,12 +478,6 @@ int fw_setenv(int argc, char *argv[]) #ifdef CONFIG_FILE if (argc >= 2 && strcmp(argv[1], "-c") == 0) { - if (argc < 3) { - fprintf(stderr, - "## Error: '-c' option requires the config file to use\n"); - return -1; - } - config_file = argv[2]; argv += 2; argc -= 2; } @@ -520,15 +489,6 @@ int fw_setenv(int argc, char *argv[]) } if (strcmp(argv[1], "-a") == 0) { - if (argc < 3) { - fprintf(stderr, - "## Error: '-a' option requires AES key\n"); - return -1; - } - rc = parse_aes_key(argv[2], aes_key); - if (rc) - return rc; - aes_flag = 1; argv += 2; argc -= 2; } @@ -1026,7 +986,7 @@ static int env_aes_cbc_crypt(char *payload, const int enc) uint32_t aes_blocks; /* First we expand the key. */ - aes_expand_key(aes_key, key_exp); + aes_expand_key(common_args.aes_key, key_exp); /* Calculate the number of AES blocks to encrypt. */ aes_blocks = DIV_ROUND_UP(len, AES_KEY_LENGTH); @@ -1254,7 +1214,7 @@ int fw_env_open(void) crc0 = crc32 (0, (uint8_t *) environment.data, ENV_SIZE); - if (aes_flag) { + if (common_args.aes_flag) { ret = env_aes_cbc_crypt(environment.data, 0); if (ret) return ret; @@ -1311,7 +1271,7 @@ int fw_env_open(void) crc1 = crc32 (0, (uint8_t *) redundant->data, ENV_SIZE); - if (aes_flag) { + if (common_args.aes_flag) { ret = env_aes_cbc_crypt(redundant->data, 0); if (ret) return ret; @@ -1395,9 +1355,9 @@ static int parse_config () #if defined(CONFIG_FILE) /* Fills in DEVNAME(), ENVSIZE(), DEVESIZE(). Or don't. */ - if (get_config (config_file)) { - fprintf (stderr, - "Cannot parse config file '%s': %s\n", config_file, strerror (errno)); + if (get_config(common_args.config_file)) { + fprintf(stderr, "Cannot parse config file '%s': %m\n", + common_args.config_file); return -1; } #else |