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[crypto,cert] use malloc for der certificate

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Armin Novak 2023-02-08 12:00:01 +01:00 committed by akallabeth
parent 0cb3afd4bc
commit 91370e4437
1 changed files with 15 additions and 4 deletions
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19
libfreerdp/crypto/certificate.c
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@ -1498,13 +1498,24 @@ BYTE* freerdp_certificate_get_der(const rdpCertificate* cert, size_t* pLength)
if (pLength)
*pLength = 0;
BYTE* ptr = NULL;
const int rc = i2d_X509(cert->x509, &ptr);
if (rc < 0)
const int rc = i2d_X509(cert->x509, NULL);
if (rc <= 0)
return NULL;
BYTE* ptr = calloc(rc + 1, sizeof(BYTE));
if (!ptr)
return NULL;
BYTE* i2d_ptr = ptr;
const int rc2 = i2d_X509(cert->x509, &i2d_ptr);
if (rc2 <= 0)
{
free(ptr);
return NULL;
}
if (pLength)
*pLength = (size_t)rc;
*pLength = (size_t)rc2;
return ptr;
}