eessppeelllloo/cryptsetup
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Fix some problems found by Coverity scan.

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This commit is contained in:
Milan Broz
2012-12-10 17:28:52 +01:00
parent 549ab64358
commit 80d21c039e
5 changed files with 15 additions and 12 deletions
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4
lib/crypto_backend/pbkdf_check.c
View File

@@ -82,10 +82,6 @@ int crypt_pbkdf_check(const char *kdf, const char *hash,
return -EINVAL;
}
/* Safety check if anything went wrong */
if (ms < 10)
return -EINVAL;
if (iter_secs)
*iter_secs = (iterations * 1000) / ms;
return r;

2
lib/setup.c
View File

@@ -1679,7 +1679,7 @@ int crypt_keyslot_change_by_passphrase(struct crypt_device *cd,
r = LUKS_open_key_with_hdr(keyslot_old, passphrase, passphrase_size,
&cd->u.luks1.hdr, &vk, cd);
if (r < 0)
return r;
goto out;
if (keyslot_old != CRYPT_ANY_SLOT && keyslot_old != r) {
log_dbg("Keyslot mismatch.");

8
lib/tcrypt/tcrypt.c
View File

@@ -471,12 +471,16 @@ static int TCRYPT_init_hdr(struct crypt_device *cd,
struct crypt_params_tcrypt *params)
{
unsigned char pwd[TCRYPT_KEY_POOL_LEN] = {};
size_t passphrase_size;
size_t passphrase_size, alignment;
char *key;
unsigned int i, skipped = 0;
int r = -EINVAL, legacy_modes;
if (posix_memalign((void*)&key, crypt_getpagesize(), TCRYPT_HDR_KEY_LEN))
alignment = crypt_getpagesize();
if (alignment < 0)
return -EINVAL;
if (posix_memalign((void*)&key, alignment, TCRYPT_HDR_KEY_LEN))
return -ENOMEM;
if (params->keyfiles_count)

7
lib/utils_benchmark.c
View File

@@ -128,9 +128,14 @@ static int cipher_perf(struct cipher_perf *cp,
{
long ms_enc, ms_dec, ms;
int repeat_enc, repeat_dec;
size_t alignment;
void *buf = NULL;
if (posix_memalign(&buf, crypt_getpagesize(), cp->buffer_size))
alignment = crypt_getpagesize();
if (alignment < 0)
return -EINVAL;
if (posix_memalign(&buf, alignment, cp->buffer_size))
return -ENOMEM;
ms_enc = 0;

6
src/cryptsetup.c
View File

@@ -491,10 +491,8 @@ static int action_benchmark(void)
&enc_mbr, &dec_mbr);
if (!r) {
log_std("# Algorithm | Key | Encryption | Decryption\n");
strncat(cipher, "-", MAX_CIPHER_LEN);
strncat(cipher, cipher_mode, MAX_CIPHER_LEN);
log_std("%12s %4db %5.1f MiB/s %5.1f MiB/s\n",
cipher, key_size, enc_mbr, dec_mbr);
log_std("%8s-%s %4db %5.1f MiB/s %5.1f MiB/s\n",
cipher, cipher_mode, key_size, enc_mbr, dec_mbr);
} else if (r == -ENOENT)
log_err(_("Cipher %s is not available.\n"), opt_cipher);
} else {