char *__crypt_rn(__const char *key, __const char *setting,
void *data, int size)
{
if (setting[0] == '$' && setting[1] == '2')
return _crypt_blowfish_rn(key, setting, (char *)data, size);
if (setting[0] == '$' && setting[1] == '1')
return __md5_crypt_r(key, setting, (char *)data, size);
if (setting[0] == '$' || setting[0] == '_') {
__set_errno(EINVAL);
return NULL;
}
if (size >= sizeof(struct crypt_data))
return __des_crypt_r(key, setting, (struct crypt_data *)data);
__set_errno(ERANGE);
return NULL;
}
char *__crypt_ra(__const char *key, __const char *setting,
void **data, int *size)
{
if (setting[0] == '$' && setting[1] == '2') {
if (_crypt_data_alloc(data, size, CRYPT_OUTPUT_SIZE))
return NULL;
return _crypt_blowfish_rn(key, setting, (char *)*data, *size);
}
if (setting[0] == '$' && setting[1] == '1') {
if (_crypt_data_alloc(data, size, CRYPT_OUTPUT_SIZE))
return NULL;
return __md5_crypt_r(key, setting, (char *)*data, *size);
}
if (setting[0] == '$' || setting[0] == '_') {
__set_errno(EINVAL);
return NULL;
}
if (_crypt_data_alloc(data, size, sizeof(struct crypt_data)))
return NULL;
return __des_crypt_r(key, setting, (struct crypt_data *)*data);
}
char *
__md5_crypt (const char *key, const char *salt)
{
/* We don't want to have an arbitrary limit in the size of the
password. We can compute the size of the result in advance and
so we can prepare the buffer we pass to `md5_crypt_r'. */
static int buflen;
int needed = 3 + strlen (salt) + 1 + 26 + 1;
if (buflen < needed)
{
char *new_buffer = (char *) realloc (buffer, needed);
if (new_buffer == NULL)
return NULL;
buffer = new_buffer;
buflen = needed;
}
return __md5_crypt_r (key, salt, buffer, buflen);
}
hash_stat hash_plugin_check_hash(const char *hash, const char *password[VECTORSIZE], const char *salt, char *salt2[VECTORSIZE], const char *username, int *num, int threadid)
{
int a,b;
int len[VECTORSIZE];
char *hash2, *data;
for (a=0;a<vectorsize;a+=2)
{
len[a]=128;
len[a+1]=128;
}
__md5_crypt_r(password, salt, salt2, len, vectorsize);
b=strlen(salt);
for (a=0;a<vectorsize;a++) if (memcmp((const char *)salt2[a]+b,hash,16)==0)
{
*num=a;
return hash_ok;
}
return hash_err;
}
