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authorPauli <pauli@openssl.org>2021-12-21 10:17:04 +1100
committerPauli <pauli@openssl.org>2021-12-23 10:51:05 +1100
commitceeb92f7b52fbbb349cca8d9560a0708d948936a (patch)
tree979e1bdfe3ee56b8eb72fa907b5c185eb4954727
parente0314df5f21dd537602d4ea8d9272a21aac66356 (diff)
namemap: handle a NULL return when looking for a non-legacy cipher/MD
Fixes #17313 Reviewed-by: Tomas Mraz <tomas@openssl.org> (Merged from https://github.com/openssl/openssl/pull/17324) (cherry picked from commit 7a85dd46e0b2f67b341c777509f0126e3252938d)
-rw-r--r--crypto/core_namemap.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/crypto/core_namemap.c b/crypto/core_namemap.c
index e1da724bd2..2bee5ef194 100644
--- a/crypto/core_namemap.c
+++ b/crypto/core_namemap.c
@@ -409,14 +409,16 @@ static void get_legacy_cipher_names(const OBJ_NAME *on, void *arg)
{
const EVP_CIPHER *cipher = (void *)OBJ_NAME_get(on->name, on->type);
- get_legacy_evp_names(NID_undef, EVP_CIPHER_get_type(cipher), NULL, arg);
+ if (cipher != NULL)
+ get_legacy_evp_names(NID_undef, EVP_CIPHER_get_type(cipher), NULL, arg);
}
static void get_legacy_md_names(const OBJ_NAME *on, void *arg)
{
const EVP_MD *md = (void *)OBJ_NAME_get(on->name, on->type);
- get_legacy_evp_names(0, EVP_MD_get_type(md), NULL, arg);
+ if (md != NULL)
+ get_legacy_evp_names(0, EVP_MD_get_type(md), NULL, arg);
}
static void get_legacy_pkey_meth_names(const EVP_PKEY_ASN1_METHOD *ameth,