[PATCH 0/1] MR9140: Type UINT64 for variables content_length and content_read
This fixes EOF detection when downloading large files. See function end_of_read_data() in request.c. Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=58737 -- https://gitlab.winehq.org/wine/wine/-/merge_requests/9140
From: Felix Hädicke <felixhaedicke(a)web.de> This fixes EOF detection when downloading large files. See function end_of_read_data() in request.c. Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=58737 --- dlls/winhttp/request.c | 40 +++++++++++++++++++--------------- dlls/winhttp/winhttp_private.h | 4 ++-- 2 files changed, 24 insertions(+), 20 deletions(-) diff --git a/dlls/winhttp/request.c b/dlls/winhttp/request.c index 57a834bb07f..777e3680f42 100644 --- a/dlls/winhttp/request.c +++ b/dlls/winhttp/request.c @@ -1978,7 +1978,7 @@ static BOOL end_of_read_data( struct request *request ) { if (!request->content_length) return TRUE; if (request->read_chunked) return request->read_chunked_eof; - if (request->content_length == ~0u) return FALSE; + if (request->content_length == ~0ull) return FALSE; return (request->content_length == request->content_read); } @@ -2011,7 +2011,7 @@ static DWORD read_data( struct request *request, void *buffer, DWORD size, DWORD if (request->read_chunked && !request->read_chunked_size) ret = refill_buffer( request, async ); done: - TRACE( "retrieved %u bytes (%lu/%lu)\n", bytes_read, request->content_read, request->content_length ); + TRACE( "retrieved %u bytes (%llu/%llu)\n", bytes_read, request->content_read, request->content_length ); if (end_of_read_data( request )) finished_reading( request ); if (async) { @@ -2240,8 +2240,9 @@ static DWORD send_request( struct request *request, const WCHAR *headers, DWORD { struct connect *connect = request->connect; struct session *session = connect->session; - DWORD ret, len, buflen, content_length; - WCHAR encoding[20]; + DWORD ret, len, buflen; + UINT64 content_length; + WCHAR buf[21]; char *wire_req; int bytes_sent; BOOL chunked; @@ -2272,9 +2273,9 @@ static DWORD send_request( struct request *request, const WCHAR *headers, DWORD if (request->creds[TARGET_SERVER][SCHEME_BASIC].username) do_authorization( request, WINHTTP_AUTH_TARGET_SERVER, WINHTTP_AUTH_SCHEME_BASIC ); - buflen = sizeof(encoding); + buflen = sizeof(buf); chunked = !query_headers( request, WINHTTP_QUERY_FLAG_REQUEST_HEADERS | WINHTTP_QUERY_TRANSFER_ENCODING, - NULL, encoding, &buflen, NULL ) && !wcsicmp( encoding, L"chunked" ); + NULL, buf, &buflen, NULL ) && !wcsicmp( buf, L"chunked" ); if (!chunked && (total_len || (request->verb && (!wcscmp( request->verb, L"POST" ) || !wcscmp( request->verb, L"PUT" ))))) { @@ -2337,10 +2338,12 @@ static DWORD send_request( struct request *request, const WCHAR *headers, DWORD } send_callback( &request->hdr, WINHTTP_CALLBACK_STATUS_REQUEST_SENT, &len, sizeof(len) ); - buflen = sizeof(content_length); - if (query_headers( request, WINHTTP_QUERY_FLAG_REQUEST_HEADERS | WINHTTP_QUERY_CONTENT_LENGTH - | WINHTTP_QUERY_FLAG_NUMBER, NULL, &content_length, &buflen, NULL )) + buflen = sizeof(buf); + if (query_headers( request, WINHTTP_QUERY_FLAG_REQUEST_HEADERS | WINHTTP_QUERY_CONTENT_LENGTH, + NULL, buf, &buflen, NULL )) content_length = total_len; + else + content_length = wcstoull( buf, NULL, 10 ); if (!chunked && content_length <= optional_len) { @@ -2549,8 +2552,8 @@ static DWORD handle_authorization( struct request *request, DWORD status ) /* set the request content length based on the headers */ static void set_content_length( struct request *request, DWORD status ) { - WCHAR encoding[20]; - DWORD buflen = sizeof(request->content_length); + WCHAR buf[21]; + DWORD buflen = sizeof(buf); if (status == HTTP_STATUS_NO_CONTENT || status == HTTP_STATUS_NOT_MODIFIED || status == HTTP_STATUS_SWITCH_PROTOCOLS || !wcscmp( request->verb, L"HEAD" )) @@ -2559,15 +2562,16 @@ static void set_content_length( struct request *request, DWORD status ) } else { - if (query_headers( request, WINHTTP_QUERY_CONTENT_LENGTH|WINHTTP_QUERY_FLAG_NUMBER, - NULL, &request->content_length, &buflen, NULL )) - request->content_length = ~0u; + if (query_headers( request, WINHTTP_QUERY_CONTENT_LENGTH, NULL, buf, &buflen, NULL )) + request->content_length = ~0ull; + else + request->content_length = wcstoull( buf, NULL, 10 ); - buflen = sizeof(encoding); - if (!query_headers( request, WINHTTP_QUERY_TRANSFER_ENCODING, NULL, encoding, &buflen, NULL ) && - !wcsicmp( encoding, L"chunked" )) + buflen = sizeof(buf); + if (!query_headers( request, WINHTTP_QUERY_TRANSFER_ENCODING, NULL, buf, &buflen, NULL ) && + !wcsicmp( buf, L"chunked" )) { - request->content_length = ~0u; + request->content_length = ~0ull; request->read_chunked = TRUE; request->read_chunked_size = ~0u; request->read_chunked_eof = FALSE; diff --git a/dlls/winhttp/winhttp_private.h b/dlls/winhttp/winhttp_private.h index a71447dbe1c..56adbb75d14 100644 --- a/dlls/winhttp/winhttp_private.h +++ b/dlls/winhttp/winhttp_private.h @@ -213,8 +213,8 @@ struct request DWORD max_redirects; DWORD redirect_count; /* total number of redirects during this request */ WCHAR *status_text; - DWORD content_length; /* total number of bytes to be read */ - DWORD content_read; /* bytes read so far */ + UINT64 content_length; /* total number of bytes to be read */ + UINT64 content_read; /* bytes read so far */ BOOL read_chunked; /* are we reading in chunked mode? */ BOOL read_chunked_eof; /* end of stream in chunked mode */ BOOL read_chunked_size; /* chunk size remaining */ -- GitLab https://gitlab.winehq.org/wine/wine/-/merge_requests/9140
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Felix Hädicke