Misha Koshelev : urlmon: Don' t free structures that are used by asynchronous HttpSendRequest until we are sure they won 't be used.
Module: wine Branch: master Commit: a8aa3fb5469de10c3b7b98acc01a7977b7e71be7 URL: http://source.winehq.org/git/wine.git/?a=commit;h=a8aa3fb5469de10c3b7b98acc0... Author: Misha Koshelev <mk144210(a)bcm.edu> Date: Wed Jul 25 23:58:37 2007 -0500 urlmon: Don't free structures that are used by asynchronous HttpSendRequest until we are sure they won't be used. --- dlls/urlmon/http.c | 68 +++++++++++++++++++++++++++++++-------------------- 1 files changed, 41 insertions(+), 27 deletions(-) diff --git a/dlls/urlmon/http.c b/dlls/urlmon/http.c index 79858e6..8dc3432 100644 --- a/dlls/urlmon/http.c +++ b/dlls/urlmon/http.c @@ -74,9 +74,11 @@ typedef struct { const IInternetPriorityVtbl *lpInternetPriorityVtbl; DWORD flags, grfBINDF; + BINDINFO bind_info; IInternetProtocolSink *protocol_sink; IHttpNegotiate *http_negotiate; HINTERNET internet, connect, request; + LPWSTR full_header; HANDLE lock; ULONG current_position, content_length, available_bytes; LONG priority; @@ -84,6 +86,10 @@ typedef struct { LONG ref; } HttpProtocol; +/* Default headers from native */ +static const WCHAR wszHeaders[] = {'A','c','c','e','p','t','-','E','n','c','o','d','i','n','g', + ':',' ','g','z','i','p',',',' ','d','e','f','l','a','t','e',0}; + /* * Helpers */ @@ -160,6 +166,17 @@ static void HTTPPROTOCOL_Close(HttpProtocol *This) InternetCloseHandle(This->internet); This->internet = 0; } + if (This->full_header) + { + if (This->full_header != wszHeaders) + HeapFree(GetProcessHeap(), 0, This->full_header); + This->full_header = 0; + } + if (This->bind_info.cbSize) + { + ReleaseBindInfo(&This->bind_info); + memset(&This->bind_info, 0, sizeof(This->bind_info)); + } This->flags = 0; } @@ -284,20 +301,17 @@ static HRESULT WINAPI HttpProtocol_Start(IInternetProtocol *iface, LPCWSTR szUrl { HttpProtocol *This = PROTOCOL_THIS(iface); URL_COMPONENTSW url; - BINDINFO bindinfo; DWORD len = 0, request_flags = INTERNET_FLAG_KEEP_CONNECTION; ULONG num = 0; IServiceProvider *service_provider = 0; IHttpNegotiate2 *http_negotiate2 = 0; LPWSTR host = 0, path = 0, user = 0, pass = 0, addl_header = 0, - full_header = 0, post_cookie = 0, optional = 0; + post_cookie = 0, optional = 0; BYTE security_id[512]; LPOLESTR user_agent, accept_mimes[257]; HRESULT hres; static const WCHAR wszHttp[] = {'h','t','t','p',':'}; - static const WCHAR wszHeaders[] = {'A','c','c','e','p','t','-','E','n','c','o','d','i','n','g', - ':',' ','g','z','i','p',',',' ','d','e','f','l','a','t','e',0}; static const WCHAR wszBindVerb[BINDVERB_CUSTOM][5] = {{'G','E','T',0}, {'P','O','S','T',0}, @@ -306,9 +320,9 @@ static HRESULT WINAPI HttpProtocol_Start(IInternetProtocol *iface, LPCWSTR szUrl TRACE("(%p)->(%s %p %p %08x %d)\n", This, debugstr_w(szUrl), pOIProtSink, pOIBindInfo, grfPI, dwReserved); - memset(&bindinfo, 0, sizeof(bindinfo)); - bindinfo.cbSize = sizeof(BINDINFO); - hres = IInternetBindInfo_GetBindInfo(pOIBindInfo, &This->grfBINDF, &bindinfo); + memset(&This->bind_info, 0, sizeof(This->bind_info)); + This->bind_info.cbSize = sizeof(BINDINFO); + hres = IInternetBindInfo_GetBindInfo(pOIBindInfo, &This->grfBINDF, &This->bind_info); if (hres != S_OK) { WARN("GetBindInfo failed: %08x\n", hres); @@ -407,8 +421,9 @@ static HRESULT WINAPI HttpProtocol_Start(IInternetProtocol *iface, LPCWSTR szUrl if (This->grfBINDF & BINDF_NOWRITECACHE) request_flags |= INTERNET_FLAG_NO_CACHE_WRITE; - This->request = HttpOpenRequestW(This->connect, bindinfo.dwBindVerb < BINDVERB_CUSTOM ? - wszBindVerb[bindinfo.dwBindVerb] : bindinfo.szCustomVerb, + This->request = HttpOpenRequestW(This->connect, This->bind_info.dwBindVerb < BINDVERB_CUSTOM ? + wszBindVerb[This->bind_info.dwBindVerb] : + This->bind_info.szCustomVerb, path, NULL, NULL, (LPCWSTR *)accept_mimes, request_flags, (DWORD)This); if (!This->request) @@ -443,20 +458,21 @@ static HRESULT WINAPI HttpProtocol_Start(IInternetProtocol *iface, LPCWSTR szUrl } else if (addl_header == NULL) { - full_header = (LPWSTR)wszHeaders; + This->full_header = (LPWSTR)wszHeaders; } else { - full_header = HeapAlloc(GetProcessHeap(), 0, - (lstrlenW(addl_header)+sizeof(wszHeaders))*sizeof(WCHAR)); - if (!full_header) + int len_addl_header = lstrlenW(addl_header); + This->full_header = HeapAlloc(GetProcessHeap(), 0, + len_addl_header*sizeof(WCHAR)+sizeof(wszHeaders)); + if (!This->full_header) { WARN("Out of memory\n"); hres = E_OUTOFMEMORY; goto done; } - lstrcpyW(full_header, addl_header); - lstrcpyW(&full_header[lstrlenW(addl_header)], wszHeaders); + lstrcpyW(This->full_header, addl_header); + lstrcpyW(&This->full_header[len_addl_header], wszHeaders); } hres = IServiceProvider_QueryService(service_provider, &IID_IHttpNegotiate2, @@ -479,7 +495,7 @@ static HRESULT WINAPI HttpProtocol_Start(IInternetProtocol *iface, LPCWSTR szUrl /* FIXME: Handle security_id. Native calls undocumented function IsHostInProxyBypassList. */ - if (bindinfo.dwBindVerb == BINDVERB_POST) + if (This->bind_info.dwBindVerb == BINDVERB_POST) { num = 0; hres = IInternetBindInfo_GetBindString(pOIBindInfo, BINDSTRING_POST_COOKIE, &post_cookie, @@ -493,18 +509,18 @@ static HRESULT WINAPI HttpProtocol_Start(IInternetProtocol *iface, LPCWSTR szUrl } } - if (bindinfo.dwBindVerb != BINDVERB_GET) + if (This->bind_info.dwBindVerb != BINDVERB_GET) { /* Native does not use GlobalLock/GlobalUnlock, so we won't either */ - if (bindinfo.stgmedData.tymed != TYMED_HGLOBAL) - WARN("Expected bindinfo.stgmedData.tymed to be TYMED_HGLOBAL, not %d\n", - bindinfo.stgmedData.tymed); + if (This->bind_info.stgmedData.tymed != TYMED_HGLOBAL) + WARN("Expected This->bind_info.stgmedData.tymed to be TYMED_HGLOBAL, not %d\n", + This->bind_info.stgmedData.tymed); else - optional = (LPWSTR)bindinfo.stgmedData.hGlobal; + optional = (LPWSTR)This->bind_info.stgmedData.hGlobal; } - if (!HttpSendRequestW(This->request, full_header, lstrlenW(full_header), + if (!HttpSendRequestW(This->request, This->full_header, lstrlenW(This->full_header), optional, - optional ? bindinfo.cbstgmedData : 0) && + optional ? This->bind_info.cbstgmedData : 0) && GetLastError() != ERROR_IO_PENDING) { WARN("HttpSendRequest failed: %d\n", GetLastError()); @@ -521,8 +537,6 @@ done: } CoTaskMemFree(post_cookie); - if (full_header != wszHeaders) - HeapFree(GetProcessHeap(), 0, full_header); CoTaskMemFree(addl_header); if (http_negotiate2) IHttpNegotiate2_Release(http_negotiate2); @@ -539,8 +553,6 @@ done: HeapFree(GetProcessHeap(), 0, path); HeapFree(GetProcessHeap(), 0, host); - ReleaseBindInfo(&bindinfo); - return hres; } @@ -904,9 +916,11 @@ HRESULT HttpProtocol_Construct(IUnknown *pUnkOuter, LPVOID *ppobj) ret->lpInternetProtocolVtbl = &HttpProtocolVtbl; ret->lpInternetPriorityVtbl = &HttpPriorityVtbl; ret->flags = ret->grfBINDF = 0; + memset(&ret->bind_info, 0, sizeof(ret->bind_info)); ret->protocol_sink = 0; ret->http_negotiate = 0; ret->internet = ret->connect = ret->request = 0; + ret->full_header = 0; ret->lock = 0; ret->current_position = ret->content_length = ret->available_bytes = 0; ret->priority = 0;
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Alexandre Julliard