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Fix i2d_X509_AUX: pp can be NULL.

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Reported by David Benjamin

Reviewed-by: Emilia Käsper <emilia@openssl.org>
This commit is contained in:
Dr. Stephen Henson 2016-05-02 17:33:50 +01:00
parent 5a1f853b98
commit 05aef4bbdb
1 changed files with 3 additions and 2 deletions
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5
crypto/x509/x_x509.c
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@ -184,14 +184,15 @@ X509 *d2i_X509_AUX(X509 **a, const unsigned char **pp, long length)
int i2d_X509_AUX(X509 *a, unsigned char **pp)
{
int length, tmplen;
unsigned char *start = *pp;
unsigned char *start = pp != NULL ? *pp : NULL;
length = i2d_X509(a, pp);
if (length < 0 || a == NULL)
return length;
tmplen = i2d_X509_CERT_AUX(a->aux, pp);
if (tmplen < 0) {
*pp = start;
if (start != NULL)
*pp = start;
return tmplen;
}
length += tmplen;