apps/passwd.c: free before error exiting
use goto instead of returning directly while error handling
@@ -410,7 +410,7 @@ static char *md5crypt(const char *passwd, const char *magic, const char *salt)
n >>= 1;
}
if (!EVP_DigestFinal_ex(md, buf, NULL))
- return NULL;
+ goto err;
for (i = 0; i < 1000; i++) {
if (!EVP_DigestInit_ex(md2, EVP_md5(), NULL))
@@ -636,7 +636,7 @@ static char *shacrypt(const char *passwd, const char *magic, const char *salt)
n >>= 1;
}
if (!EVP_DigestFinal_ex(md, buf, NULL))
- return NULL;
+ goto err;
/* P sequence */
if (!EVP_DigestInit_ex(md2, sha, NULL))
@@ -647,7 +647,7 @@ static char *shacrypt(const char *passwd, const char *magic, const char *salt)
goto err;
if (!EVP_DigestFinal_ex(md2, temp_buf, NULL))
- return NULL;
+ goto err;
if ((p_bytes = OPENSSL_zalloc(passwd_len)) == NULL)
goto err;
@@ -664,7 +664,7 @@ static char *shacrypt(const char *passwd, const char *magic, const char *salt)
goto err;
if (!EVP_DigestFinal_ex(md2, temp_buf, NULL))
- return NULL;
+ goto err;
if ((s_bytes = OPENSSL_zalloc(salt_len)) == NULL)
goto err;
