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crypt32: Avoid a memory allocation when decoding the subject key identifier extension.

This commit is contained in:
Juan Lang 2007-08-13 14:31:02 -07:00 committed by Alexandre Julliard
parent d49c9d59d1
commit f7bcc26cc5
1 changed files with 5 additions and 6 deletions
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11
dlls/crypt32/cert.c
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@ -250,19 +250,18 @@ static BOOL WINAPI CertContext_GetProperty(void *context, DWORD dwPropId,
if (ext) if (ext)
{ {
CRYPT_DATA_BLOB *value; CRYPT_DATA_BLOB value;
DWORD size; DWORD size;
ret = CryptDecodeObjectEx(X509_ASN_ENCODING, ret = CryptDecodeObjectEx(X509_ASN_ENCODING,
szOID_SUBJECT_KEY_IDENTIFIER, ext->Value.pbData, szOID_SUBJECT_KEY_IDENTIFIER, ext->Value.pbData,
ext->Value.cbData, CRYPT_DECODE_ALLOC_FLAG, NULL, &value, ext->Value.cbData, CRYPT_DECODE_NOCOPY_FLAG, NULL, &value,
&size); &size);
if (ret) if (ret)
{ {
ret = CertContext_CopyParam(pvData, pcbData, value->pbData, ret = CertContext_CopyParam(pvData, pcbData, value.pbData,
value->cbData); value.cbData);
CertContext_SetProperty(context, dwPropId, 0, value); CertContext_SetProperty(context, dwPropId, 0, &value);
LocalFree(value);
} }
} }
else else