crypt32: Support user properties for certificates.

dlls/crypt32/cert.c

@@ -714,6 +714,19 @@ static BOOL CertContext_SetProperty(cert_t *cert, DWORD dwPropId,
 
     if (!cert->base.properties)
         ret = FALSE;
+    else if (dwPropId >= CERT_FIRST_USER_PROP_ID && dwPropId <= CERT_LAST_USER_PROP_ID)
+    {
+        if (pvData)
+        {
+            const CRYPT_DATA_BLOB *blob = pvData;
+            ret = ContextPropertyList_SetProperty(cert->base.properties, dwPropId, blob->pbData, blob->cbData);
+        }
+        else
+        {
+            ContextPropertyList_RemoveProperty(cert->base.properties, dwPropId);
+            ret = TRUE;
+        }
+    }
     else
     {
         switch (dwPropId)

dlls/crypt32/serialize.c

@@ -405,6 +405,12 @@ static BOOL CRYPT_ReadContextProp(
         SetLastError(ERROR_FILE_NOT_FOUND);
         ret = FALSE;
     }
+    else if (hdr->propID >= CERT_FIRST_USER_PROP_ID && hdr->propID <= CERT_LAST_USER_PROP_ID)
+    {
+        CRYPT_DATA_BLOB blob = { hdr->cb, (LPBYTE)pbElement };
+
+        ret = contextInterface->setProp(context, hdr->propID, 0, &blob);
+    }
     else if (hdr->propID != CERT_CERT_PROP_ID &&
      hdr->propID != CERT_CRL_PROP_ID && hdr->propID != CERT_CTL_PROP_ID)
     {

dlls/crypt32/tests/cert.c

@@ -369,6 +369,7 @@ static void testCertProperties(void)
     BYTE hash[20] = { 0 }, hashProperty[20];
     CRYPT_DATA_BLOB blob;
     CERT_KEY_CONTEXT keyContext;
+    unsigned int value;
 
     ok(context != NULL, "CertCreateCertificateContext failed: %08lx\n", GetLastError());
 
@@ -566,6 +567,25 @@ static void testCertProperties(void)
             free(buf);
         }
     }
+
+    ret = CertGetCertificateContextProperty(context, CERT_LAST_USER_PROP_ID, NULL, &size);
+    ok(!ret && GetLastError() == CRYPT_E_NOT_FOUND, "got ret %d, error %#lx.\n", ret, GetLastError());
+
+    blob.cbData = sizeof(value);
+    blob.pbData = (BYTE *)&value;
+    value = 1;
+    ret = CertSetCertificateContextProperty(context, CERT_LAST_USER_PROP_ID, 0, &blob);
+    ok(ret, "got error %#lx.\n", GetLastError());
+    value = 0xdeadbeef;
+    size = 0xdeadbeef;
+    ret = CertGetCertificateContextProperty(context, CERT_LAST_USER_PROP_ID, NULL, &size);
+    ok(ret, "got error %#lx.\n", GetLastError());
+    ok(size == sizeof(value), "got size %lu.\n", size);
+    ret = CertGetCertificateContextProperty(context, CERT_LAST_USER_PROP_ID, &value, &size);
+    ok(ret, "got error %#lx.\n", GetLastError());
+    ok(size == sizeof(value), "got size %lu.\n", size);
+    ok(value == 1, "got value %u.\n", value);
+
     CertFreeCertificateContext(context);
 
     context = CertCreateCertificateContext(X509_ASN_ENCODING,