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Fix things so DH_free() will be no-op when passed NULL, like RSA_free() and

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DSA_free(): this was causing crashes when for example an attempt was made
to handle a (currently) unsupported DH public key. Also X509_PUBKEY_set()i
wasn't checking errors from d2i_PublicKey().
This commit is contained in:
Dr. Stephen Henson 1999-01-06 01:39:24 +00:00
parent e416ad9772
commit ad65ce755e
3 changed files with 6 additions and 2 deletions
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5
CHANGES
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@ -5,6 +5,9 @@
Changes between 0.9.1c and 0.9.2
*) Make DH_free() tolerate being passed a NULL pointer (like RSA_free() and
DSA_free()). Make X509_PUBKEY_set() check for errors in d2i_PublicKey().
*) X509_name_add_entry() freed the wrong thing after an error.
[Arne Ansper <arne@ats.cyber.ee>]
@ -23,7 +26,7 @@
[Ralf S. Engelschall]
*) Fix the various library and apps files to free up pkeys obtained from
EVP_PUBKEY_get() et al. Also allow x509.c to handle netscape extensions.
X509_PUBKEY_get() et al. Also allow x509.c to handle netscape extensions.
[Steve Henson]
*) Fix reference counting in X509_PUBKEY_get(). This makes

2
crypto/asn1/x_pubkey.c
View File

@ -183,7 +183,7 @@ EVP_PKEY *pkey;
goto err;
}
i=i2d_PublicKey(pkey,NULL);
if ((i=i2d_PublicKey(pkey,NULL)) <= 0) goto err;
if ((s=(unsigned char *)Malloc(i+1)) == NULL) goto err;
p=s;
i2d_PublicKey(pkey,&p);

1
crypto/dh/dh_lib.c
View File

@ -88,6 +88,7 @@ DH *DH_new()
void DH_free(r)
DH *r;
{
if(r == NULL) return;
if (r->p != NULL) BN_clear_free(r->p);
if (r->g != NULL) BN_clear_free(r->g);
if (r->pub_key != NULL) BN_clear_free(r->pub_key);