[PATCH] wininet: Return failure when adding HTTP header with empty value.

[Jacek Caban]

Hi Ziqing,

On 5/16/22 06:27, Ziqing Hui wrote:
> Signed-off-by: Ziqing Hui <zhui at codeweavers.com>
> ---
>   dlls/wininet/http.c       | 6 ++++++
>   dlls/wininet/tests/http.c | 3 ---
>   2 files changed, 6 insertions(+), 3 deletions(-)
>
> diff --git a/dlls/wininet/http.c b/dlls/wininet/http.c
> index 55698467cda..f6680790986 100644
> --- a/dlls/wininet/http.c
> +++ b/dlls/wininet/http.c
> @@ -6139,6 +6139,12 @@ static DWORD HTTP_ProcessHeader(http_request_t *request, LPCWSTR field, LPCWSTR
>       {
>           HTTPHEADERW hdr;
>   
> +        if (!value[0])
> +        {
> +            LeaveCriticalSection(&request->headers_section);
> +            return ERROR_INVALID_PARAMETER;
> +        }


I think we could reject such headers even earlier, like in 
HTTP_InterpretHttpHeader.


Thanks,

Jacek