From patchwork Wed Jul 5 14:12:02 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Konstantin Kostiuk X-Patchwork-Id: 1803727 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: legolas.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=JdBWxRS8; dkim-atps=neutral Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4Qx1qS1ZgLz20ZQ for ; Thu, 6 Jul 2023 00:13:56 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qH3G9-0001P6-UE; 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envelope-from=kkostiuk@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Signed-off-by: Konstantin Kostiuk --- qga/vss-win32/vss-debug.h | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 qga/vss-win32/vss-debug.h diff --git a/qga/vss-win32/vss-debug.h b/qga/vss-win32/vss-debug.h new file mode 100644 index 0000000000..c0bdf7a3fc --- /dev/null +++ b/qga/vss-win32/vss-debug.h @@ -0,0 +1,31 @@ +/* + * QEMU Guest Agent VSS debug declarations + * + * Copyright (C) 2023 Red Hat Inc + * + * Authors: + * Konstantin Kostiuk + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ + +#include + +#ifndef VSS_DEBUG_H +#define VSS_DEBUG_H + +#define PRINT_DEBUG(fmt, ...) { \ + char user_sting[512] = { 0 }; \ + char full_string[640] = { 0 }; \ + snprintf(user_sting, 512, fmt, ## __VA_ARGS__); \ + snprintf(full_string, 640, QGA_PROVIDER_NAME"[%lu]: %s %s\n", \ + GetCurrentThreadId(), __func__, user_sting); \ + OutputDebugString(full_string); \ + fprintf(stderr, "%s", full_string); \ +} + +#define PRINT_DEBUG_BEGIN PRINT_DEBUG("begin") +#define PRINT_DEBUG_END PRINT_DEBUG("end") + +#endif From patchwork Wed Jul 5 14:12:03 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Konstantin Kostiuk X-Patchwork-Id: 1803730 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: legolas.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=N57f6C2d; 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Wed, 5 Jul 2023 14:12:12 +0000 (UTC) Received: from kostyanf14nb.redhat.com (unknown [10.45.224.155]) by smtp.corp.redhat.com (Postfix) with ESMTPS id DEC36492C13; Wed, 5 Jul 2023 14:12:10 +0000 (UTC) From: Konstantin Kostiuk To: qemu-devel@nongnu.org Cc: =?utf-8?q?Marc-Andr=C3=A9_Lureau?= , Michael Roth , Yan Vugenfirer Subject: [PATCH 2/4] QGA VSS: Replace 'fprintf(stderr' with PRINT_DEBUG Date: Wed, 5 Jul 2023 17:12:03 +0300 Message-Id: <20230705141205.525776-3-kkostiuk@redhat.com> In-Reply-To: <20230705141205.525776-1-kkostiuk@redhat.com> References: <20230705141205.525776-1-kkostiuk@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.10 Received-SPF: pass client-ip=170.10.129.124; envelope-from=kkostiuk@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Signed-off-by: Konstantin Kostiuk --- qga/vss-win32/install.cpp | 13 +++++++------ qga/vss-win32/requester.cpp | 9 +++++---- 2 files changed, 12 insertions(+), 10 deletions(-) diff --git a/qga/vss-win32/install.cpp b/qga/vss-win32/install.cpp index ff93b08a9e..c10a397e51 100644 --- a/qga/vss-win32/install.cpp +++ b/qga/vss-win32/install.cpp @@ -13,6 +13,7 @@ #include "qemu/osdep.h" #include "vss-common.h" +#include "vss-debug.h" #ifdef HAVE_VSS_SDK #include #else @@ -54,7 +55,7 @@ void errmsg(DWORD err, const char *text) FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL, err, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (char *)&msg, 0, NULL); - fprintf(stderr, "%.*s. (Error: %lx) %s\n", len, text, err, msg); + PRINT_DEBUG("%.*s. (Error: %lx) %s\n", len, text, err, msg); LocalFree(msg); } @@ -219,7 +220,7 @@ static HRESULT QGAProviderRemove(ICatalogCollection *coll, int i, void *arg) { HRESULT hr; - fprintf(stderr, "Removing COM+ Application: %s\n", QGA_PROVIDER_NAME); + PRINT_DEBUG("Removing COM+ Application: %s", QGA_PROVIDER_NAME); chk(coll->Remove(i)); out: return hr; @@ -304,9 +305,9 @@ STDAPI COMRegister(void) } strcpy(tlbPath, dllPath); strcpy(tlbPath+n-3, "tlb"); - fprintf(stderr, "Registering " QGA_PROVIDER_NAME ":\n"); - fprintf(stderr, " %s\n", dllPath); - fprintf(stderr, " %s\n", tlbPath); + PRINT_DEBUG("Registering " QGA_PROVIDER_NAME ":"); + PRINT_DEBUG(" %s", dllPath); + PRINT_DEBUG(" %s", tlbPath); if (!PathFileExists(tlbPath)) { hr = HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND); errmsg(hr, "Failed to lookup tlb"); @@ -517,7 +518,7 @@ namespace _com_util } if (mbstowcs(bstr, ascii, len) == (size_t)-1) { - fprintf(stderr, "Failed to convert string '%s' into BSTR", ascii); + PRINT_DEBUG("Failed to convert string '%s' into BSTR", ascii); bstr[0] = 0; } return bstr; diff --git a/qga/vss-win32/requester.cpp b/qga/vss-win32/requester.cpp index 3e998af4a8..e4f7013c62 100644 --- a/qga/vss-win32/requester.cpp +++ b/qga/vss-win32/requester.cpp @@ -12,6 +12,7 @@ #include "qemu/osdep.h" #include "vss-common.h" +#include "vss-debug.h" #include "requester.h" #include "install.h" #include @@ -59,13 +60,13 @@ STDAPI requester_init(void) NULL, -1, NULL, NULL, RPC_C_AUTHN_LEVEL_PKT_PRIVACY, RPC_C_IMP_LEVEL_IDENTIFY, NULL, EOAC_NONE, NULL); if (FAILED(hr)) { - fprintf(stderr, "failed to CoInitializeSecurity (error %lx)\n", hr); + PRINT_DEBUG("failed to CoInitializeSecurity (error %lx)", hr); return hr; } hLib = LoadLibraryA("VSSAPI.DLL"); if (!hLib) { - fprintf(stderr, "failed to load VSSAPI.DLL\n"); + PRINT_DEBUG("failed to load VSSAPI.DLL"); return HRESULT_FROM_WIN32(GetLastError()); } @@ -78,14 +79,14 @@ STDAPI requester_init(void) #endif ); if (!pCreateVssBackupComponents) { - fprintf(stderr, "failed to get proc address from VSSAPI.DLL\n"); + PRINT_DEBUG("failed to get proc address from VSSAPI.DLL"); return HRESULT_FROM_WIN32(GetLastError()); } pVssFreeSnapshotProperties = (t_VssFreeSnapshotProperties) GetProcAddress(hLib, "VssFreeSnapshotProperties"); if (!pVssFreeSnapshotProperties) { - fprintf(stderr, "failed to get proc address from VSSAPI.DLL\n"); + PRINT_DEBUG("failed to get proc address from VSSAPI.DLL"); return HRESULT_FROM_WIN32(GetLastError()); } From patchwork Wed Jul 5 14:12:04 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Konstantin Kostiuk X-Patchwork-Id: 1803741 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: legolas.ozlabs.org; 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Wed, 5 Jul 2023 14:12:13 +0000 (UTC) Received: from kostyanf14nb.redhat.com (unknown [10.45.224.155]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 62C554CD0C8; Wed, 5 Jul 2023 14:12:12 +0000 (UTC) From: Konstantin Kostiuk To: qemu-devel@nongnu.org Cc: =?utf-8?q?Marc-Andr=C3=A9_Lureau?= , Michael Roth , Yan Vugenfirer Subject: [PATCH 3/4] QGA VSS: Print error in err_set Date: Wed, 5 Jul 2023 17:12:04 +0300 Message-Id: <20230705141205.525776-4-kkostiuk@redhat.com> In-Reply-To: <20230705141205.525776-1-kkostiuk@redhat.com> References: <20230705141205.525776-1-kkostiuk@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.10 Received-SPF: pass client-ip=170.10.133.124; envelope-from=kkostiuk@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Signed-off-by: Konstantin Kostiuk --- qga/vss-win32/requester.cpp | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/qga/vss-win32/requester.cpp b/qga/vss-win32/requester.cpp index e4f7013c62..73c32381eb 100644 --- a/qga/vss-win32/requester.cpp +++ b/qga/vss-win32/requester.cpp @@ -26,9 +26,11 @@ #define DEFAULT_VSS_BACKUP_TYPE VSS_BT_FULL -#define err_set(e, err, fmt, ...) \ - ((e)->error_setg_win32_wrapper((e)->errp, __FILE__, __LINE__, __func__, \ - err, fmt, ## __VA_ARGS__)) +#define err_set(e, err, fmt, ...) { \ + (e)->error_setg_win32_wrapper((e)->errp, __FILE__, __LINE__, __func__, \ + err, fmt, ## __VA_ARGS__); \ + PRINT_DEBUG(fmt, ## __VA_ARGS__); \ +} /* Bad idea, works only when (e)->errp != NULL: */ #define err_is_set(e) ((e)->errp && *(e)->errp) /* To lift this restriction, error_propagate(), like we do in QEMU code */ From patchwork Wed Jul 5 14:12:05 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Konstantin Kostiuk X-Patchwork-Id: 1803725 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: legolas.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=JnCNT3AH; dkim-atps=neutral Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4Qx1q95kgdz20ZQ for ; 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envelope-from=kkostiuk@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Signed-off-by: Konstantin Kostiuk --- qga/vss-win32/install.cpp | 33 +++++++++++++++++++++++++++++++++ qga/vss-win32/provider.cpp | 3 +++ qga/vss-win32/requester.cpp | 34 ++++++++++++++++++++++++++++++++++ 3 files changed, 70 insertions(+) diff --git a/qga/vss-win32/install.cpp b/qga/vss-win32/install.cpp index c10a397e51..8364f60a30 100644 --- a/qga/vss-win32/install.cpp +++ b/qga/vss-win32/install.cpp @@ -100,6 +100,8 @@ HRESULT put_Value(ICatalogObject *pObj, LPCWSTR name, T val) /* Lookup Administrators group name from winmgmt */ static HRESULT GetAdminName(_bstr_t *name) { + PRINT_DEBUG_BEGIN; + HRESULT hr; COMPointer pLoc; COMPointer pSvc; @@ -142,6 +144,7 @@ static HRESULT GetAdminName(_bstr_t *name) } out: + PRINT_DEBUG_END; return hr; } @@ -149,6 +152,8 @@ out: static HRESULT getNameByStringSID( const wchar_t *sid, LPWSTR buffer, LPDWORD bufferLen) { + PRINT_DEBUG_BEGIN; + HRESULT hr = S_OK; PSID psid = NULL; SID_NAME_USE groupType; @@ -168,6 +173,7 @@ static HRESULT getNameByStringSID( LocalFree(psid); out: + PRINT_DEBUG_END; return hr; } @@ -175,6 +181,8 @@ out: static HRESULT QGAProviderFind( HRESULT (*found)(ICatalogCollection *, int, void *), void *arg) { + PRINT_DEBUG_BEGIN; + HRESULT hr; COMInitializer initializer; COMPointer pUnknown; @@ -205,12 +213,15 @@ static HRESULT QGAProviderFind( chk(pColl->SaveChanges(&n)); out: + PRINT_DEBUG_END; return hr; } /* Count QGA VSS provider in COM+ Application Catalog */ static HRESULT QGAProviderCount(ICatalogCollection *coll, int i, void *arg) { + PRINT_DEBUG_BEGIN; + (*(int *)arg)++; return S_OK; } @@ -218,28 +229,35 @@ static HRESULT QGAProviderCount(ICatalogCollection *coll, int i, void *arg) /* Remove QGA VSS provider from COM+ Application Catalog Collection */ static HRESULT QGAProviderRemove(ICatalogCollection *coll, int i, void *arg) { + PRINT_DEBUG_BEGIN; HRESULT hr; PRINT_DEBUG("Removing COM+ Application: %s", QGA_PROVIDER_NAME); chk(coll->Remove(i)); out: + PRINT_DEBUG_END; return hr; } /* Unregister this module from COM+ Applications Catalog */ STDAPI COMUnregister(void) { + PRINT_DEBUG_BEGIN; + HRESULT hr; DllUnregisterServer(); chk(QGAProviderFind(QGAProviderRemove, NULL)); out: + PRINT_DEBUG_END; return hr; } /* Register this module to COM+ Applications Catalog */ STDAPI COMRegister(void) { + PRINT_DEBUG_BEGIN; + HRESULT hr; COMInitializer initializer; COMPointer pUnknown; @@ -259,12 +277,14 @@ STDAPI COMRegister(void) if (!g_hinstDll) { errmsg(E_FAIL, "Failed to initialize DLL"); + PRINT_DEBUG_END; return E_FAIL; } chk(QGAProviderFind(QGAProviderCount, (void *)&count)); if (count) { errmsg(E_ABORT, "QGA VSS Provider is already installed"); + PRINT_DEBUG_END; return E_ABORT; } @@ -355,6 +375,7 @@ out: COMUnregister(); } + PRINT_DEBUG_END; return hr; } @@ -370,6 +391,8 @@ STDAPI_(void) CALLBACK DLLCOMUnregister(HWND, HINSTANCE, LPSTR, int) static BOOL CreateRegistryKey(LPCTSTR key, LPCTSTR value, LPCTSTR data) { + PRINT_DEBUG_BEGIN; + HKEY hKey; LONG ret; DWORD size; @@ -390,6 +413,7 @@ static BOOL CreateRegistryKey(LPCTSTR key, LPCTSTR value, LPCTSTR data) RegCloseKey(hKey); out: + PRINT_DEBUG_END; if (ret != ERROR_SUCCESS) { /* As we cannot printf within DllRegisterServer(), show a dialog. */ errmsg_dialog(ret, "Cannot add registry", key); @@ -401,6 +425,8 @@ out: /* Register this dll as a VSS provider */ STDAPI DllRegisterServer(void) { + PRINT_DEBUG_BEGIN; + COMInitializer initializer; COMPointer pVssAdmin; HRESULT hr = E_FAIL; @@ -479,12 +505,15 @@ out: DllUnregisterServer(); } + PRINT_DEBUG_END; return hr; } /* Unregister this VSS hardware provider from the system */ STDAPI DllUnregisterServer(void) { + PRINT_DEBUG_BEGIN; + TCHAR key[256]; COMInitializer initializer; COMPointer pVssAdmin; @@ -502,6 +531,7 @@ STDAPI DllUnregisterServer(void) SHDeleteKey(HKEY_CLASSES_ROOT, key); SHDeleteKey(HKEY_CLASSES_ROOT, g_szProgid); + PRINT_DEBUG_END; return S_OK; /* Uninstall should never fail */ } @@ -528,6 +558,8 @@ namespace _com_util /* Stop QGA VSS provider service using Winsvc API */ STDAPI StopService(void) { + PRINT_DEBUG_BEGIN; + HRESULT hr = S_OK; SC_HANDLE manager = OpenSCManager(NULL, NULL, SC_MANAGER_ALL_ACCESS); SC_HANDLE service = NULL; @@ -552,5 +584,6 @@ STDAPI StopService(void) out: CloseServiceHandle(service); CloseServiceHandle(manager); + PRINT_DEBUG_END; return hr; } diff --git a/qga/vss-win32/provider.cpp b/qga/vss-win32/provider.cpp index 1b885e24ee..4405fb00f1 100644 --- a/qga/vss-win32/provider.cpp +++ b/qga/vss-win32/provider.cpp @@ -12,6 +12,7 @@ #include "qemu/osdep.h" #include "vss-common.h" +#include "vss-debug.h" #ifdef HAVE_VSS_SDK #include #else @@ -529,9 +530,11 @@ STDAPI DllCanUnloadNow() EXTERN_C BOOL WINAPI DllMain(HINSTANCE hinstDll, DWORD dwReason, LPVOID lpReserved) { + PRINT_DEBUG("begin, reason = %lu", dwReason); if (dwReason == DLL_PROCESS_ATTACH) { g_hinstDll = hinstDll; DisableThreadLibraryCalls(hinstDll); } + PRINT_DEBUG_END; return TRUE; } diff --git a/qga/vss-win32/requester.cpp b/qga/vss-win32/requester.cpp index 73c32381eb..38c15e4d87 100644 --- a/qga/vss-win32/requester.cpp +++ b/qga/vss-win32/requester.cpp @@ -57,6 +57,8 @@ static struct QGAVSSContext { STDAPI requester_init(void) { + PRINT_DEBUG_BEGIN; + COMInitializer initializer; /* to call CoInitializeSecurity */ HRESULT hr = CoInitializeSecurity( NULL, -1, NULL, NULL, RPC_C_AUTHN_LEVEL_PKT_PRIVACY, @@ -92,11 +94,14 @@ STDAPI requester_init(void) return HRESULT_FROM_WIN32(GetLastError()); } + PRINT_DEBUG_END; return S_OK; } static void requester_cleanup(void) { + PRINT_DEBUG_BEGIN; + if (vss_ctx.hEventFrozen) { CloseHandle(vss_ctx.hEventFrozen); vss_ctx.hEventFrozen = NULL; @@ -118,10 +123,13 @@ static void requester_cleanup(void) vss_ctx.pVssbc = NULL; } vss_ctx.cFrozenVols = 0; + PRINT_DEBUG_END; } STDAPI requester_deinit(void) { + PRINT_DEBUG_BEGIN; + requester_cleanup(); pCreateVssBackupComponents = NULL; @@ -131,11 +139,14 @@ STDAPI requester_deinit(void) hLib = NULL; } + PRINT_DEBUG_END; return S_OK; } static HRESULT WaitForAsync(IVssAsync *pAsync) { + PRINT_DEBUG_BEGIN; + HRESULT ret, hr; do { @@ -151,11 +162,14 @@ static HRESULT WaitForAsync(IVssAsync *pAsync) } } while (ret == VSS_S_ASYNC_PENDING); + PRINT_DEBUG_END; return ret; } static void AddComponents(ErrorSet *errset) { + PRINT_DEBUG_BEGIN; + unsigned int cWriters, i; VSS_ID id, idInstance, idWriter; BSTR bstrWriterName = NULL; @@ -237,17 +251,21 @@ out: if (pComponent && info) { pComponent->FreeComponentInfo(info); } + PRINT_DEBUG_END; } DWORD get_reg_dword_value(HKEY baseKey, LPCSTR subKey, LPCSTR valueName, DWORD defaultData) { + PRINT_DEBUG_BEGIN; + DWORD regGetValueError; DWORD dwordData; DWORD dataSize = sizeof(DWORD); regGetValueError = RegGetValue(baseKey, subKey, valueName, RRF_RT_DWORD, NULL, &dwordData, &dataSize); + PRINT_DEBUG_END; if (regGetValueError != ERROR_SUCCESS) { return defaultData; } @@ -262,6 +280,8 @@ bool is_valid_vss_backup_type(VSS_BACKUP_TYPE vssBT) VSS_BACKUP_TYPE get_vss_backup_type( VSS_BACKUP_TYPE defaultVssBT = DEFAULT_VSS_BACKUP_TYPE) { + PRINT_DEBUG_BEGIN; + VSS_BACKUP_TYPE vssBackupType; vssBackupType = static_cast( @@ -269,6 +289,7 @@ VSS_BACKUP_TYPE get_vss_backup_type( QGA_PROVIDER_REGISTRY_ADDRESS, "VssOption", defaultVssBT)); + PRINT_DEBUG_END; if (!is_valid_vss_backup_type(vssBackupType)) { return defaultVssBT; } @@ -277,6 +298,8 @@ VSS_BACKUP_TYPE get_vss_backup_type( void requester_freeze(int *num_vols, void *mountpoints, ErrorSet *errset) { + PRINT_DEBUG_BEGIN; + COMPointer pAsync; HANDLE volume; HRESULT hr; @@ -292,6 +315,7 @@ void requester_freeze(int *num_vols, void *mountpoints, ErrorSet *errset) if (vss_ctx.pVssbc) { /* already frozen */ *num_vols = 0; + PRINT_DEBUG("finished, already frozen"); return; } @@ -449,6 +473,7 @@ void requester_freeze(int *num_vols, void *mountpoints, ErrorSet *errset) } } + PRINT_DEBUG("preparing for backup"); hr = vss_ctx.pVssbc->PrepareForBackup(pAsync.replace()); if (SUCCEEDED(hr)) { hr = WaitForAsync(pAsync); @@ -472,6 +497,7 @@ void requester_freeze(int *num_vols, void *mountpoints, ErrorSet *errset) * CQGAVssProvider::CommitSnapshots will kick vss_ctx.hEventFrozen * after the applications and filesystems are frozen. */ + PRINT_DEBUG("do snapshot set"); hr = vss_ctx.pVssbc->DoSnapshotSet(&vss_ctx.pAsyncSnapshot); if (FAILED(hr)) { err_set(errset, hr, "failed to do snapshot set"); @@ -518,6 +544,7 @@ void requester_freeze(int *num_vols, void *mountpoints, ErrorSet *errset) *num_vols = vss_ctx.cFrozenVols = num_fixed_drives; } + PRINT_DEBUG("end successful"); return; out: @@ -528,11 +555,14 @@ out: out1: requester_cleanup(); CoUninitialize(); + + PRINT_DEBUG_END; } void requester_thaw(int *num_vols, void *mountpints, ErrorSet *errset) { + PRINT_DEBUG_BEGIN; COMPointer pAsync; if (!vss_ctx.hEventThaw) { @@ -541,6 +571,8 @@ void requester_thaw(int *num_vols, void *mountpints, ErrorSet *errset) * and no volumes must be frozen. We return without an error. */ *num_vols = 0; + PRINT_DEBUG("finished, no volumes were frozen"); + return; } @@ -597,4 +629,6 @@ void requester_thaw(int *num_vols, void *mountpints, ErrorSet *errset) CoUninitialize(); StopService(); + + PRINT_DEBUG_END; }