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sbtools: add option to force sb dump

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In the case of encrypted SB files without any key match, it is
still possible to dump the section headers. The force option
allows one to do so. It also allows to dump unencrypted sections
of encrypted files if there are some.

Change-Id: I36280230679ac5903f9c451c68c276f5c6959536
This commit is contained in:
Amaury Pouly 2012-06-27 14:50:39 +02:00
parent fa17cb904c
commit 7c9e7ec707
4 changed files with 37 additions and 7 deletions
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11
utils/imxtools/sbtools/sbtoelf.c
View file

@ -169,6 +169,7 @@ static void usage(void)
printf(" -a/--add-key <key>\tAdd single key (hex or usbotp)\n");
printf(" -n/--no-color\tDisable output colors\n");
printf(" -l/--loopback <file>\tProduce sb file out of extracted description*\n");
printf(" -f/--force\tForce reading even without a key*\n");
printf("Options marked with a * are for debug purpose only\n");
exit(1);
}
@ -204,10 +205,11 @@ int main(int argc, char **argv)
{"add-key", required_argument, 0, 'a'},
{"no-color", no_argument, 0, 'n'},
{"loopback", required_argument, 0, 'l'},
{"force", no_argument, 0, 'f' },
{0, 0, 0, 0}
};
int c = getopt_long(argc, argv, "?do:k:zra:nl:", long_options, NULL);
int c = getopt_long(argc, argv, "?do:k:zra:nl:f", long_options, NULL);
if(c == -1)
break;
switch(c)
@ -231,6 +233,9 @@ int main(int argc, char **argv)
case 'o':
g_out_prefix = optarg;
break;
case 'f':
g_force = true;
break;
case 'k':
{
if(!add_keys_from_file(optarg))
@ -250,9 +255,9 @@ int main(int argc, char **argv)
struct crypto_key_t key;
char *s = optarg;
if(!parse_key(&s, &key))
bug("Invalid key specified as argument");
bug("Invalid key specified as argument\n");
if(*s != 0)
bug("Trailing characters after key specified as argument");
bug("Trailing characters after key specified as argument\n");
add_keys(&key, 1);
break;
}