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Ensure all EVP calls have their returns checked where appropriate

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There are lots of calls to EVP functions from within libssl There were
various places where we should probably check the return value but don't.
This adds these checks.

Reviewed-by: Richard Levitte <levitte@openssl.org>
This commit is contained in:
Matt Caswell
2015-11-06 16:31:21 +00:00
parent cb70eede8b
commit 56d9134675
12 changed files with 270 additions and 146 deletions
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11
ssl/ssl_ciph.c
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@@ -376,10 +376,11 @@ static int get_optional_pkey_id(const char *pkey_name)
const EVP_PKEY_ASN1_METHOD *ameth;
int pkey_id = 0;
ameth = EVP_PKEY_asn1_find_str(NULL, pkey_name, -1);
if (ameth) {
EVP_PKEY_asn1_get0_info(&pkey_id, NULL, NULL, NULL, NULL, ameth);
if (ameth && EVP_PKEY_asn1_get0_info(&pkey_id, NULL, NULL, NULL, NULL,
ameth) > 0) {
return pkey_id;
}
return pkey_id;
return 0;
}
#else
@@ -391,7 +392,9 @@ static int get_optional_pkey_id(const char *pkey_name)
int pkey_id = 0;
ameth = EVP_PKEY_asn1_find_str(&tmpeng, pkey_name, -1);
if (ameth) {
EVP_PKEY_asn1_get0_info(&pkey_id, NULL, NULL, NULL, NULL, ameth);
if (EVP_PKEY_asn1_get0_info(&pkey_id, NULL, NULL, NULL, NULL,
ameth) <= 0)
pkey_id = 0;
}
if (tmpeng)
ENGINE_finish(tmpeng);