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kdfs: make free calls check for NULL.

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Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/10496)
This commit is contained in:
Pauli 2019-11-21 14:19:50 +10:00
parent 2a53855110
commit 3c65941546
9 changed files with 37 additions and 19 deletions
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6
providers/implementations/kdfs/hkdf.c
View File

@ -75,8 +75,10 @@ static void kdf_hkdf_free(void *vctx)
{
KDF_HKDF *ctx = (KDF_HKDF *)vctx;
kdf_hkdf_reset(ctx);
OPENSSL_free(ctx);
if (ctx != NULL) {
kdf_hkdf_reset(ctx);
OPENSSL_free(ctx);
}
}
static void kdf_hkdf_reset(void *vctx)

6
providers/implementations/kdfs/kbkdf.c
View File

@ -113,8 +113,10 @@ static void kbkdf_free(void *vctx)
{
KBKDF *ctx = (KBKDF *)vctx;
kbkdf_reset(ctx);
OPENSSL_free(ctx);
if (ctx != NULL) {
kbkdf_reset(ctx);
OPENSSL_free(ctx);
}
}
static void kbkdf_reset(void *vctx)

6
providers/implementations/kdfs/krb5kdf.c
View File

@ -63,8 +63,10 @@ static void krb5kdf_free(void *vctx)
{
KRB5KDF_CTX *ctx = (KRB5KDF_CTX *)vctx;
krb5kdf_reset(ctx);
OPENSSL_free(ctx);
if (ctx != NULL) {
krb5kdf_reset(ctx);
OPENSSL_free(ctx);
}
}
static void krb5kdf_reset(void *vctx)

6
providers/implementations/kdfs/pbkdf2.c
View File

@ -80,8 +80,10 @@ static void kdf_pbkdf2_free(void *vctx)
{
KDF_PBKDF2 *ctx = (KDF_PBKDF2 *)vctx;
kdf_pbkdf2_cleanup(ctx);
OPENSSL_free(ctx);
if (ctx != NULL) {
kdf_pbkdf2_cleanup(ctx);
OPENSSL_free(ctx);
}
}
static void kdf_pbkdf2_reset(void *vctx)

8
providers/implementations/kdfs/scrypt.c
View File

@ -74,9 +74,11 @@ static void kdf_scrypt_free(void *vctx)
{
KDF_SCRYPT *ctx = (KDF_SCRYPT *)vctx;
EVP_MD_meth_free(ctx->sha256);
kdf_scrypt_reset(ctx);
OPENSSL_free(ctx);
if (ctx != NULL) {
EVP_MD_meth_free(ctx->sha256);
kdf_scrypt_reset(ctx);
OPENSSL_free(ctx);
}
}
static void kdf_scrypt_reset(void *vctx)

6
providers/implementations/kdfs/sshkdf.c
View File

@ -63,8 +63,10 @@ static void kdf_sshkdf_free(void *vctx)
{
KDF_SSHKDF *ctx = (KDF_SSHKDF *)vctx;
kdf_sshkdf_reset(ctx);
OPENSSL_free(ctx);
if (ctx != NULL) {
kdf_sshkdf_reset(ctx);
OPENSSL_free(ctx);
}
}
static void kdf_sshkdf_reset(void *vctx)

6
providers/implementations/kdfs/sskdf.c
View File

@ -315,8 +315,10 @@ static void sskdf_free(void *vctx)
{
KDF_SSKDF *ctx = (KDF_SSKDF *)vctx;
sskdf_reset(ctx);
OPENSSL_free(ctx);
if (ctx != NULL) {
sskdf_reset(ctx);
OPENSSL_free(ctx);
}
}
static int sskdf_set_buffer(unsigned char **out, size_t *out_len,

6
providers/implementations/kdfs/tls1_prf.c
View File

@ -106,8 +106,10 @@ static void kdf_tls1_prf_free(void *vctx)
{
TLS1_PRF *ctx = (TLS1_PRF *)vctx;
kdf_tls1_prf_reset(ctx);
OPENSSL_free(ctx);
if (ctx != NULL) {
kdf_tls1_prf_reset(ctx);
OPENSSL_free(ctx);
}
}
static void kdf_tls1_prf_reset(void *vctx)

6
providers/implementations/kdfs/x942kdf.c
View File

@ -266,8 +266,10 @@ static void x942kdf_free(void *vctx)
{
KDF_X942 *ctx = (KDF_X942 *)vctx;
x942kdf_reset(ctx);
OPENSSL_free(ctx);
if (ctx != NULL) {
x942kdf_reset(ctx);
OPENSSL_free(ctx);
}
}
static int x942kdf_set_buffer(unsigned char **out, size_t *out_len,