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Fix create command to properly handle keyfile size.

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- for keyfile reset hash, it make no sense (see man page)
- use activate_by_keyfile to make code more readable
(it still does the stem thing)

- if keyfile specified, read only key and do not do exhausted
read (regression from 1.1.3)

git-svn-id: https://cryptsetup.googlecode.com/svn/trunk@399 36d66b0a-2a48-0410-832c-cd162a569da5
This commit is contained in:
Milan Broz
2010-12-09 17:58:50 +00:00
parent 6cae0b0efb
commit 68c2ac1087
3 changed files with 24 additions and 9 deletions
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30
src/cryptsetup.c
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@@ -198,11 +198,15 @@ static int action_create(int arg)
};
char *password = NULL;
unsigned int passwordLen;
unsigned int key_size = (opt_key_size ?: DEFAULT_PLAIN_KEYBITS) / 8;
int r;
if (params.hash && !strcmp(params.hash, "plain"))
params.hash = NULL;
if (opt_key_file)
params.hash = NULL;
r = crypt_parse_name_and_mode(opt_cipher ?: DEFAULT_CIPHER(PLAIN),
cipher, cipher_mode);
if (r < 0) {
@@ -219,20 +223,28 @@ static int action_create(int arg)
r = crypt_format(cd, CRYPT_PLAIN,
cipher, cipher_mode,
NULL, NULL,
(opt_key_size ?: DEFAULT_PLAIN_KEYBITS) / 8,
key_size,
&params);
if (r < 0)
goto out;
r = crypt_get_key(_("Enter passphrase: "), &password, &passwordLen,
opt_keyfile_size, opt_key_file, opt_timeout,
opt_batch_mode ? 0 : opt_verify_passphrase, cd);
if (r < 0)
goto out;
if (opt_key_file)
r = crypt_activate_by_keyfile(cd, action_argv[0],
CRYPT_ANY_SLOT, opt_key_file, key_size,
opt_readonly ? CRYPT_ACTIVATE_READONLY : 0);
else {
r = crypt_get_key(_("Enter passphrase: "),
&password, &passwordLen, 0, NULL,
opt_timeout,
opt_batch_mode ? 0 : opt_verify_passphrase,
cd);
if (r < 0)
goto out;
r = crypt_activate_by_passphrase(cd, action_argv[0], CRYPT_ANY_SLOT,
password, passwordLen,
opt_readonly ? CRYPT_ACTIVATE_READONLY : 0);
r = crypt_activate_by_passphrase(cd, action_argv[0],
CRYPT_ANY_SLOT, password, passwordLen,
opt_readonly ? CRYPT_ACTIVATE_READONLY : 0);
}
out:
crypt_free(cd);
crypt_safe_free(password);