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glib2.0/gio/gwin32packageparser.c

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/* GIO - GLib Input, Output and Streaming Library
*
* Copyright (C) 2020 Руслан Ижбулатов <lrn1986@gmail.com>
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
*
*/
/* Queries the system (Windows 8 or newer) for the list
* of UWP packages, parses their manifests and invokes
* a user-provided callback with the needed application
* info.
*/
#include "config.h"
#define COBJMACROS
#define INITGUID
#include <windows.h>
#include <winstring.h>
#include <roapi.h>
#include <stdio.h>
#include <shlwapi.h>
#include "gwin32api-storage.h"
#include "gwin32api-misc.h"
#include "gwin32api-iterator.h"
#include "gwin32api-package.h"
#include <xmllite.h>
#include <glib.h>
#include "gwin32file-sync-stream.h"
#include "gwin32packageparser.h"
#ifdef G_WINAPI_ONLY_APP
#define LoadedRoActivateInstance RoActivateInstance
#define LoadedWindowsCreateStringReference WindowsCreateStringReference
#define LoadedWindowsDeleteString WindowsDeleteString
#define sax_WindowsGetStringRawBuffer WindowsGetStringRawBuffer
#define LoadedWindowsGetStringRawBuffer WindowsGetStringRawBuffer
#define sax_CreateXmlReader CreateXmlReader
#else
typedef HRESULT (WINAPI *RoActivateInstance_func)(HSTRING activatableClassId, IInspectable **instance);
typedef HRESULT (WINAPI *WindowsCreateStringReference_func)(PCWSTR sourceString, UINT32 length, HSTRING_HEADER *hstringHeader, HSTRING *string);
typedef HRESULT (WINAPI *WindowsDeleteString_func)(HSTRING string);
typedef PCWSTR (WINAPI *WindowsGetStringRawBuffer_func)(HSTRING string, UINT32 *length);
typedef HRESULT (STDAPICALLTYPE *CreateXmlReader_func)(REFIID riid, void **ppvObject, IMalloc *pMalloc);
#define sax_WindowsGetStringRawBuffer sax->WindowsGetStringRawBuffer
#define sax_CreateXmlReader sax->CreateXmlReader
#endif
static gsize
g_utf16_len (const gunichar2 *str)
{
gsize result;
for (result = 0; str[0] != 0; str++, result++)
;
return result;
}
static gunichar2 *
g_wcsdup (const gunichar2 *str, gssize str_len)
{
gsize str_len_unsigned;
gsize str_size;
g_return_val_if_fail (str != NULL, NULL);
if (str_len < 0)
str_len_unsigned = g_utf16_len (str);
else
str_len_unsigned = (gsize) str_len;
g_assert (str_len_unsigned <= G_MAXSIZE / sizeof (gunichar2) - 1);
str_size = (str_len_unsigned + 1) * sizeof (gunichar2);
return g_memdup2 (str, str_size);
}
static BOOL
WIN32_FROM_HRESULT (HRESULT hresult,
DWORD *win32_error_code)
{
if ((hresult & (HRESULT) 0xFFFF0000) == MAKE_HRESULT (SEVERITY_ERROR, FACILITY_WIN32, 0) ||
hresult == S_OK)
{
*win32_error_code = HRESULT_CODE (hresult);
return TRUE;
}
return FALSE;
}
static GIOErrorEnum
gio_error_from_hresult (HRESULT hresult)
{
DWORD error;
if (WIN32_FROM_HRESULT (hresult, &error))
return g_io_error_from_errno (error);
return G_IO_ERROR_FAILED;
}
static void
free_extgroup (GWin32PackageExtGroup *g)
{
g_ptr_array_unref (g->verbs);
g_ptr_array_unref (g->extensions);
g_free (g);
}
struct _xml_sax_state
{
#ifndef G_WINAPI_ONLY_APP
WindowsGetStringRawBuffer_func WindowsGetStringRawBuffer;
CreateXmlReader_func CreateXmlReader;
#endif
GWin32PackageParserCallback callback;
gpointer user_data;
const wchar_t *manifest_filename;
gsize package_index;
const wchar_t *wcs_full_name;
const wchar_t *wcs_name;
const wchar_t *wcs_display_name;
HSTRING package_family;
gboolean applist;
gboolean exit_early;
UINT64 in_package;
UINT64 in_applications;
UINT64 in_application;
UINT64 in_extensions;
UINT64 in_extension_protocol;
UINT64 in_extension_fta;
UINT64 in_fta_group;
UINT64 in_sfp;
UINT64 in_filetype;
UINT64 in_sv;
GPtrArray *supported_extensions;
GPtrArray *supported_protocols;
GPtrArray *supported_verbs;
GPtrArray *supported_extgroups;
wchar_t *application_usermodelid;
};
static gboolean parse_manifest_file (struct _xml_sax_state *sax);
static gboolean xml_parser_iteration (struct _xml_sax_state *sax,
IXmlReader *xml_reader);
static gboolean xml_parser_get_current_state (struct _xml_sax_state *sax,
IXmlReader *xml_reader,
const wchar_t **local_name,
const wchar_t **prefix,
const wchar_t **value);
gboolean
g_win32_package_parser_enum_packages (GWin32PackageParserCallback callback,
gpointer user_data,
GError **error)
{
gboolean result = TRUE;
HRESULT hr;
HSTRING packagemanager_name = NULL;
HSTRING_HEADER packageanager_name_header;
const wchar_t *packman_id = L"Windows.Management.Deployment.PackageManager";
IInspectable *ii_pm = NULL;
IPackageManager *pm = NULL;
IIterable *packages_iterable = NULL;
IIterator *packages_iterator = NULL;
CHAR has_current;
gsize package_index;
const wchar_t *bslash_appmanifest = L"\\AppxManifest.xml";
struct _xml_sax_state sax_stack;
struct _xml_sax_state *sax = &sax_stack;
#ifndef G_WINAPI_ONLY_APP
HMODULE xmllite = NULL;
HMODULE combase = NULL;
HMODULE winrt = NULL;
RoActivateInstance_func LoadedRoActivateInstance;
WindowsCreateStringReference_func LoadedWindowsCreateStringReference;
WindowsDeleteString_func LoadedWindowsDeleteString;
WindowsGetStringRawBuffer_func LoadedWindowsGetStringRawBuffer;
CreateXmlReader_func LoadedCreateXmlReader;
winrt = LoadLibraryW (L"api-ms-win-core-winrt-l1-1-0.dll");
if (winrt == NULL)
{
result = FALSE;
g_set_error_literal (error, G_IO_ERROR, g_io_error_from_errno (GetLastError ()),
"Failed to load api-ms-win-core-winrt-l1-1-0.dll");
goto cleanup;
}
combase = LoadLibraryW (L"combase.dll");
if (combase == NULL)
{
result = FALSE;
g_set_error_literal (error, G_IO_ERROR, g_io_error_from_errno (GetLastError ()),
"Failed to load combase.dll");
goto cleanup;
}
xmllite = LoadLibraryW (L"xmllite.dll");
if (xmllite == NULL)
{
result = FALSE;
g_set_error_literal (error, G_IO_ERROR, g_io_error_from_errno (GetLastError ()),
"Failed to load xmllite.dll");
goto cleanup;
}
LoadedCreateXmlReader = (CreateXmlReader_func) GetProcAddress (xmllite, "CreateXmlReader");
if (LoadedCreateXmlReader == NULL)
{
result = FALSE;
g_set_error_literal (error, G_IO_ERROR, g_io_error_from_errno (GetLastError ()),
"CreateXmlReader entry point is not found in xmllite.dll");
goto cleanup;
}
LoadedRoActivateInstance = (RoActivateInstance_func) GetProcAddress (winrt, "RoActivateInstance");
if (LoadedRoActivateInstance == NULL)
{
result = FALSE;
g_set_error_literal (error, G_IO_ERROR, g_io_error_from_errno (GetLastError ()),
"RoActivateInstance entry point is not found in api-ms-win-core-winrt-l1-1-0.dll");
goto cleanup;
}
LoadedWindowsCreateStringReference = (WindowsCreateStringReference_func) GetProcAddress (combase, "WindowsCreateStringReference");
if (LoadedWindowsCreateStringReference == NULL)
{
result = FALSE;
g_set_error_literal (error, G_IO_ERROR, g_io_error_from_errno (GetLastError ()),
"WindowsCreateStringReference entry point is not found in combase.dll");
goto cleanup;
}
LoadedWindowsDeleteString = (WindowsDeleteString_func) GetProcAddress (combase, "WindowsDeleteString");
if (LoadedWindowsDeleteString == NULL)
{
result = FALSE;
g_set_error_literal (error, G_IO_ERROR, g_io_error_from_errno (GetLastError ()),
"WindowsDeleteString entry point is not found in combase.dll");
goto cleanup;
}
LoadedWindowsGetStringRawBuffer = (WindowsGetStringRawBuffer_func) GetProcAddress (combase, "WindowsGetStringRawBuffer");
if (LoadedWindowsGetStringRawBuffer == NULL)
{
result = FALSE;
g_set_error_literal (error, G_IO_ERROR, g_io_error_from_errno (GetLastError ()),
"WindowsGetStringRawBuffer entry point is not found in combase.dll");
goto cleanup;
}
#endif
/* This essentially locks current GLib thread into apartment COM model. */
hr = CoInitializeEx (NULL, COINIT_APARTMENTTHREADED);
/* Can return S_FALSE if COM is already initialized,
* which is not an error, and we still need to uninitialize after that.
*/
if (hr != S_OK && hr != S_FALSE)
{
result = FALSE;
g_set_error (error, G_IO_ERROR, G_IO_ERROR_NOT_INITIALIZED,
"CoInitializeEx(COINIT_APARTMENTTHREADED) failed with code 0x%lx", hr);
goto cleanup;
}
#define canned_com_error_handler(function_name_literal, where_to_go) \
do \
{ \
if (FAILED (hr)) \
{ \
result = FALSE; \
g_set_error (error, G_IO_ERROR, gio_error_from_hresult (hr), \
function_name_literal " failed with code 0x%lx", hr); \
goto where_to_go; \
} \
} while (0)
hr = LoadedWindowsCreateStringReference (packman_id, wcslen (packman_id), &packageanager_name_header, &packagemanager_name);
canned_com_error_handler ("WindowsCreateStringReference()", cleanup);
hr = LoadedRoActivateInstance (packagemanager_name, &ii_pm);
canned_com_error_handler ("RoActivateInstance()", cleanup);
hr = IInspectable_QueryInterface (ii_pm, &IID_IPackageManager, (void**) &pm);
canned_com_error_handler ("IInspectable_QueryInterface()", cleanup);
hr = IPackageManager_FindPackagesByUserSecurityId (pm, 0, &packages_iterable);
canned_com_error_handler ("IPackageManager_FindPackagesByUserSecurityId()", cleanup);
hr = IIterable_First (packages_iterable, &packages_iterator);
canned_com_error_handler ("IIterable_First()", cleanup);
hr = IIterator_get_HasCurrent (packages_iterator, &has_current);
canned_com_error_handler ("IIterator_get_HasCurrent()", cleanup);
for (package_index = 0; SUCCEEDED (hr) && has_current; package_index++)
{
IUnknown *item = NULL;
IPackage *ipackage = NULL;
IPackage2 *ipackage2 = NULL;
IPackageId *ipackageid = NULL;
IUnknown *package_install_location = NULL;
IStorageItem *storage_item = NULL;
HSTRING path = NULL;
HSTRING name = NULL;
HSTRING full_name = NULL;
HSTRING display_name = NULL;
HSTRING package_family = NULL;
size_t manifest_filename_size;
const wchar_t *wcs_path;
const wchar_t *wcs_full_name;
const wchar_t *wcs_name;
const wchar_t *wcs_display_name;
wchar_t *manifest_filename = NULL;
#define canned_com_error_handler_pkg(function_name_literal, where_to_go) \
do \
{ \
if (FAILED (hr)) \
{ \
result = FALSE; \
g_set_error (error, G_IO_ERROR, gio_error_from_hresult (hr), \
function_name_literal " for package #%zu failed with code 0x%lx", package_index, hr); \
goto where_to_go; \
} \
} while (0)
hr = IIterator_get_Current (packages_iterator, &item);
canned_com_error_handler_pkg ("IIterator_get_Current()", package_cleanup);
hr = IUnknown_QueryInterface (item, &IID_IPackage, (void **) &ipackage);
canned_com_error_handler_pkg ("IUnknown_QueryInterface(IID_IPackage)", package_cleanup);
hr = IUnknown_QueryInterface (item, &IID_IPackage2, (void **) &ipackage2);
canned_com_error_handler_pkg ("IUnknown_QueryInterface(IID_IPackage2)", package_cleanup);
hr = IPackage_get_Id (ipackage, &ipackageid);
canned_com_error_handler_pkg ("IPackage_get_Id()", package_cleanup);
hr = IPackageId_get_FullName (ipackageid, &full_name);
canned_com_error_handler_pkg ("IPackageId_get_FullName()", package_cleanup);
hr = IPackageId_get_Name (ipackageid, &name);
canned_com_error_handler_pkg ("IPackageId_get_Name()", package_cleanup);
hr = IPackage2_get_DisplayName (ipackage2, &display_name);
canned_com_error_handler_pkg ("IPackage2_get_DisplayName()", package_cleanup);
wcs_full_name = LoadedWindowsGetStringRawBuffer (full_name, NULL);
wcs_name = LoadedWindowsGetStringRawBuffer (name, NULL);
wcs_display_name = LoadedWindowsGetStringRawBuffer (display_name, NULL);
#define canned_com_error_handler_pkg_named(function_name_literal, where_to_go) \
do \
{ \
if (FAILED (hr)) \
{ \
result = FALSE; \
g_set_error (error, G_IO_ERROR, gio_error_from_hresult (hr), \
function_name_literal " for package #%zu (`%S') failed with code 0x%lx", package_index, wcs_full_name, hr); \
goto where_to_go; \
} \
} while (0)
hr = IPackage_get_InstalledLocation (ipackage, &package_install_location);
canned_com_error_handler_pkg_named ("IPackage_get_InstalledLocation()", package_cleanup);
hr = IUnknown_QueryInterface (package_install_location, &IID_IStorageItem, (void **) &storage_item);
canned_com_error_handler_pkg_named ("IUnknown_QueryInterface(IID_IStorageItem)", package_cleanup);
hr = IPackageId_get_FamilyName (ipackageid, &package_family);
canned_com_error_handler_pkg_named ("IPackageId_get_FamilyName()", package_cleanup);
hr = IStorageItem_get_Path (storage_item, &path);
canned_com_error_handler_pkg_named ("IStorageItem_get_Path()", package_cleanup);
wcs_path = LoadedWindowsGetStringRawBuffer (path, NULL);
manifest_filename_size = wcslen (wcs_path) + wcslen (bslash_appmanifest);
manifest_filename = g_new (wchar_t, manifest_filename_size + 1);
memcpy (manifest_filename, wcs_path, wcslen (wcs_path) * sizeof (wchar_t));
memcpy (&manifest_filename[wcslen (wcs_path)], bslash_appmanifest, (wcslen (bslash_appmanifest) + 1) * sizeof (wchar_t));
memset (sax, 0, sizeof (*sax));
sax->callback = callback;
sax->user_data = user_data;
sax->manifest_filename = manifest_filename;
sax->package_index = package_index;
sax->wcs_full_name = wcs_full_name;
sax->wcs_name = wcs_name;
sax->wcs_display_name = wcs_display_name;
sax->package_family = package_family;
sax->applist = TRUE;
sax->exit_early = FALSE;
#ifndef G_WINAPI_ONLY_APP
sax->CreateXmlReader = LoadedCreateXmlReader;
sax->WindowsGetStringRawBuffer = LoadedWindowsGetStringRawBuffer;
#endif
/* Result isn't checked. If we fail to parse the manifest,
* just try the next package, no need to bail out.
*/
parse_manifest_file (sax);
hr = IIterator_MoveNext (packages_iterator, &has_current);
canned_com_error_handler_pkg_named ("IIterator_MoveNext()", package_cleanup);
#undef canned_com_error_handler_pkg_named
#undef canned_com_error_handler_pkg
#undef canned_com_error_handler
package_cleanup:
g_clear_pointer (&manifest_filename, g_free);
if (path)
LoadedWindowsDeleteString (path);
if (package_family)
LoadedWindowsDeleteString (package_family);
if (display_name)
LoadedWindowsDeleteString (display_name);
if (name)
LoadedWindowsDeleteString (name);
if (full_name)
LoadedWindowsDeleteString (full_name);
if (storage_item)
(void) IStorageItem_Release (storage_item);
if (package_install_location)
(void) IUnknown_Release (package_install_location);
if (ipackage2)
(void) IPackage2_Release (ipackage2);
if (ipackage)
(void) IPackage_Release (ipackage);
if (item)
(void) IUnknown_Release (item);
if (ipackageid)
(void) IPackageId_Release (ipackageid);
if (sax->exit_early)
break;
}
cleanup:
if (packages_iterator)
(void) IIterator_Release (packages_iterator);
if (packages_iterable)
(void) IIterable_Release (packages_iterable);
if (pm)
(void) IPackageManager_Release (pm);
if (ii_pm)
(void) IInspectable_Release (ii_pm);
CoUninitialize ();
#ifndef G_WINAPI_ONLY_APP
if (xmllite)
(void) FreeLibrary (xmllite);
if (combase)
(void) FreeLibrary (combase);
if (winrt)
(void) FreeLibrary (winrt);
#endif
return result;
}
static gboolean
parse_manifest_file (struct _xml_sax_state *sax)
{
HRESULT hr;
HANDLE file_handle = INVALID_HANDLE_VALUE;
IStream *file_stream = NULL;
gboolean result;
IXmlReader *xml_reader;
file_handle = CreateFileW (sax->manifest_filename, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if (file_handle == INVALID_HANDLE_VALUE)
{
g_warning ("Failed to open application manifest `%S' for package #%zu (`%S'): error code 0x%lx",
sax->manifest_filename, sax->package_index, sax->wcs_full_name, GetLastError ());
return FALSE;
}
file_stream = g_win32_file_sync_stream_new (file_handle, TRUE, STGM_READ | STGM_SHARE_DENY_WRITE, &hr);
if (file_stream == NULL)
{
g_warning ("Failed to create an IStream for application manifest `%S' for package #%zu (`%S'): HRESULT 0x%lx",
sax->manifest_filename, sax->package_index, sax->wcs_full_name, hr);
CloseHandle (file_handle);
return FALSE;
}
/* file_stream owns it now */
file_handle = NULL;
hr = sax_CreateXmlReader (&IID_IXmlReader, (void **) &xml_reader, NULL);
/* Slightly incorrect - xml reader is not created for any particular file,
* in theory we could re-use the same xml reader instance for all files.
*/
if (FAILED (hr))
{
g_warning ("CreateXmlReader() for application manifest `%S' for package #%zu (`%S') failed with HRESULT 0x%lx",
sax->manifest_filename, sax->package_index, sax->wcs_full_name, hr);
(void) IStream_Release (file_stream);
return FALSE;
}
hr = IXmlReader_SetInput (xml_reader, (IUnknown *) file_stream);
if (FAILED (hr))
{
g_warning ("IXmlReader_SetInput() for application manifest `%S' for package #%zu (`%S') failed with HRESULT 0x%lx",
sax->manifest_filename, sax->package_index, sax->wcs_full_name, hr);
(void) IXmlReader_Release (xml_reader);
(void) IStream_Release (file_stream);
return FALSE;
}
sax->supported_extensions = g_ptr_array_new_full (0, (GDestroyNotify) g_free);
sax->supported_protocols = g_ptr_array_new_full (0, (GDestroyNotify) g_free);
sax->supported_verbs = g_ptr_array_new_full (0, (GDestroyNotify) g_free);
sax->supported_extgroups = g_ptr_array_new_full (0, (GDestroyNotify) free_extgroup);
result = TRUE;
while (!sax->exit_early && result && !IXmlReader_IsEOF (xml_reader))
result = xml_parser_iteration (sax, xml_reader);
g_clear_pointer (&sax->application_usermodelid, g_free);
g_clear_pointer (&sax->supported_extensions, g_ptr_array_unref);
g_clear_pointer (&sax->supported_verbs, g_ptr_array_unref);
g_clear_pointer (&sax->supported_extgroups, g_ptr_array_unref);
g_clear_pointer (&sax->supported_protocols, g_ptr_array_unref);
(void) IXmlReader_Release (xml_reader);
(void) IStream_Release (file_stream);
return result;
}
static gboolean
xml_parser_get_current_state (struct _xml_sax_state *sax,
IXmlReader *xml_reader,
const wchar_t **local_name,
const wchar_t **prefix,
const wchar_t **value)
{
HRESULT hr;
UINT xml_line_number;
UINT xml_line_position;
hr = IXmlReader_GetLineNumber (xml_reader, &xml_line_number);
if (FAILED (hr))
{
g_warning ("IXmlReader_GetLineNumber() for application manifest `%S' for package #%zu (`%S') failed with HRESULT 0x%lx",
sax->manifest_filename, sax->package_index, sax->wcs_full_name, hr);
return FALSE;
}
hr = IXmlReader_GetLinePosition (xml_reader, &xml_line_position);
if (FAILED (hr))
{
g_warning ("IXmlReader_GetLinePosition() for application manifest `%S' for package #%zu (`%S') failed with HRESULT 0x%lx",
sax->manifest_filename, sax->package_index, sax->wcs_full_name, hr);
return FALSE;
}
hr = IXmlReader_GetLocalName (xml_reader, local_name, NULL);
if (FAILED (hr))
{
g_warning ("IXmlReader_GetLocalName() for application manifest `%S':%u (column %u) for package #%zu (`%S') failed with HRESULT 0x%lx",
sax->manifest_filename, xml_line_number, xml_line_position, sax->package_index, sax->wcs_full_name, hr);
return FALSE;
}
hr = IXmlReader_GetPrefix (xml_reader, prefix, NULL);
if (FAILED (hr))
{
g_warning ("IXmlReader_GetPrefix() for application manifest `%S':%u (column %u) for package #%zu (`%S') failed with HRESULT 0x%lx",
sax->manifest_filename, xml_line_number, xml_line_position, sax->package_index, sax->wcs_full_name, hr);
return FALSE;
}
hr = IXmlReader_GetValue (xml_reader, value, NULL);
if (FAILED (hr))
{
g_warning ("IXmlReader_GetValue() for application manifest `%S':%u (column %u) for package #%zu (`%S') failed with HRESULT 0x%lx",
sax->manifest_filename, xml_line_number, xml_line_position, sax->package_index, sax->wcs_full_name, hr);
return FALSE;
}
return TRUE;
}
static gboolean
xml_parser_iteration (struct _xml_sax_state *sax,
IXmlReader *xml_reader)
{
HRESULT hr;
XmlNodeType xml_node_type;
const wchar_t *local_name;
const wchar_t *prefix;
const wchar_t *value;
BOOL is_visual_elements = FALSE;
BOOL is_extension = FALSE;
BOOL is_protocol = FALSE;
BOOL is_empty;
BOOL is_application = FALSE;
BOOL is_verb = FALSE;
hr = IXmlReader_Read (xml_reader, &xml_node_type);
if (FAILED (hr))
{
g_warning ("IXmlReader_Read() for application manifest `%S' for package #%zu (`%S') failed with HRESULT 0x%lx",
sax->manifest_filename, sax->package_index, sax->wcs_full_name, hr);
return FALSE;
}
if (!xml_parser_get_current_state (sax, xml_reader, &local_name, &prefix, &value))
return FALSE;
switch (xml_node_type)
{
case XmlNodeType_Element:
is_empty = IXmlReader_IsEmptyElement (xml_reader);
g_assert (local_name != NULL);
if (!is_empty &&
_wcsicmp (local_name, L"Package") == 0 &&
prefix[0] == 0)
sax->in_package += 1;
else if (!is_empty &&
sax->in_package == 1 &&
_wcsicmp (local_name, L"Applications") == 0 &&
prefix[0] == 0)
sax->in_applications += 1;
else if (!is_empty &&
sax->in_applications == 1 &&
_wcsicmp (local_name, L"Application") == 0 &&
prefix[0] == 0)
{
sax->in_application += 1;
is_application = TRUE;
sax->applist = TRUE;
g_clear_pointer (&sax->application_usermodelid, g_free);
}
else if (sax->in_application == 1 &&
_wcsicmp (local_name, L"VisualElements") == 0 &&
(_wcsicmp (prefix, L"uap") == 0 || _wcsicmp (prefix, L"uap3") == 0))
is_visual_elements = TRUE;
else if (!is_empty &&
sax->in_application == 1 &&
_wcsicmp (local_name, L"Extensions") == 0 &&
prefix[0] == 0)
sax->in_extensions += 1;
else if (!is_empty &&
sax->in_application == 1 &&
_wcsicmp (local_name, L"Extension") == 0 &&
_wcsicmp (prefix, L"uap") == 0)
is_extension = TRUE;
else if (sax->in_extension_protocol == 1 &&
_wcsicmp (local_name, L"Protocol") == 0 &&
_wcsicmp (prefix, L"uap") == 0)
is_protocol = TRUE;
else if (!is_empty &&
sax->in_extension_fta == 1 &&
_wcsicmp (local_name, L"FileTypeAssociation") == 0 &&
_wcsicmp (prefix, L"uap") == 0)
sax->in_fta_group += 1;
else if (!is_empty &&
sax->in_fta_group == 1 &&
_wcsicmp (local_name, L"SupportedFileTypes") == 0 &&
_wcsicmp (prefix, L"uap") == 0)
sax->in_sfp += 1;
else if (!is_empty &&
sax->in_fta_group == 1 &&
_wcsicmp (local_name, L"SupportedVerbs") == 0 &&
_wcsicmp (prefix, L"uap2") == 0)
sax->in_sv += 1;
else if (!is_empty &&
sax->in_sfp == 1 &&
_wcsicmp (local_name, L"FileType") == 0 &&
_wcsicmp (prefix, L"uap") == 0)
sax->in_filetype += 1;
else if (!is_empty &&
sax->in_sv == 1 &&
_wcsicmp (local_name, L"Verb") == 0 &&
_wcsicmp (prefix, L"uap3") == 0)
is_verb = TRUE;
hr = IXmlReader_MoveToFirstAttribute (xml_reader);
while (hr == S_OK)
{
if (!xml_parser_get_current_state (sax, xml_reader, &local_name, &prefix, &value))
return FALSE;
g_assert (local_name != NULL);
g_assert (value != NULL);
g_assert (prefix != NULL);
if (is_application &&
sax->application_usermodelid == NULL &&
_wcsicmp (local_name, L"Id") == 0)
{
size_t id_len = 0;
size_t value_len = wcslen (value);
const wchar_t *wcs_package_family;
size_t wcs_package_family_len;
wcs_package_family = sax_WindowsGetStringRawBuffer (sax->package_family, NULL);
wcs_package_family_len = wcslen (wcs_package_family);
id_len += wcs_package_family_len + 1 + value_len;
sax->application_usermodelid = g_new (wchar_t, id_len + 1);
/* AppUserModelId = <family>!<id> */
memcpy (&sax->application_usermodelid[0], wcs_package_family, wcs_package_family_len * sizeof (wchar_t));
memcpy (&sax->application_usermodelid[wcs_package_family_len], L"!", sizeof (wchar_t));
memcpy (&sax->application_usermodelid[wcs_package_family_len + 1], value, (value_len + 1) * sizeof (wchar_t));
}
else if (is_visual_elements &&
_wcsicmp (local_name, L"AppListEntry") == 0 &&
_wcsicmp (value, L"none") == 0)
sax->applist = FALSE;
else if (is_extension &&
_wcsicmp (local_name, L"Category") == 0 &&
_wcsicmp (value, L"windows.protocol") == 0)
sax->in_extension_protocol += 1;
else if (is_extension &&
_wcsicmp (local_name, L"Category") == 0 &&
_wcsicmp (value, L"windows.fileTypeAssociation") == 0)
sax->in_extension_fta += 1;
else if (is_protocol &&
_wcsicmp (local_name, L"Name") == 0)
g_ptr_array_add (sax->supported_protocols, g_wcsdup (value, -1));
else if (is_verb &&
_wcsicmp (local_name, L"Id") == 0)
g_ptr_array_add (sax->supported_verbs, g_wcsdup (value, -1));
hr = IXmlReader_MoveToNextAttribute (xml_reader);
}
break;
case XmlNodeType_Text:
g_assert (value != NULL);
if (sax->in_filetype && value[0] != 0)
g_ptr_array_add (sax->supported_extensions, g_wcsdup (value, -1));
break;
case XmlNodeType_EndElement:
g_assert (local_name != NULL);
if (_wcsicmp (local_name, L"Package") == 0 &&
prefix[0] == 0)
sax->in_package -= 1;
else if (sax->in_package == 1 &&
_wcsicmp (local_name, L"Applications") == 0 &&
prefix[0] == 0)
sax->in_applications -= 1;
else if (sax->in_application == 1 &&
_wcsicmp (local_name, L"Extensions") == 0 &&
prefix[0] == 0)
sax->in_extensions -= 1;
else if (sax->in_extension_protocol == 1 &&
_wcsicmp (local_name, L"Extension") == 0 &&
_wcsicmp (prefix, L"uap") == 0)
sax->in_extension_protocol -= 1;
else if (sax->in_extension_fta == 1 &&
_wcsicmp (local_name, L"Extension") == 0 &&
_wcsicmp (prefix, L"uap") == 0)
sax->in_extension_fta -= 1;
else if (sax->in_fta_group == 1 &&
_wcsicmp (local_name, L"SupportedFileTypes") == 0 &&
_wcsicmp (prefix, L"uap") == 0)
sax->in_sfp -= 1;
else if (sax->in_sfp == 1 &&
_wcsicmp (local_name, L"FileType") == 0 &&
_wcsicmp (prefix, L"uap") == 0)
sax->in_filetype -= 1;
else if (sax->in_fta_group == 1 &&
_wcsicmp (local_name, L"SupportedVerbs") == 0 &&
_wcsicmp (prefix, L"uap2") == 0)
sax->in_sv -= 1;
else if (sax->in_applications == 1 &&
_wcsicmp (local_name, L"Application") == 0 &&
prefix[0] == 0)
{
if (sax->application_usermodelid != NULL)
sax->exit_early = !sax->callback (sax->user_data, sax->wcs_full_name, sax->wcs_name,
sax->wcs_display_name, sax->application_usermodelid,
sax->applist, sax->supported_extgroups, sax->supported_protocols);
g_clear_pointer (&sax->supported_extgroups, g_ptr_array_unref);
g_clear_pointer (&sax->supported_protocols, g_ptr_array_unref);
sax->supported_protocols = g_ptr_array_new_full (0, (GDestroyNotify) g_free);
sax->supported_extgroups = g_ptr_array_new_full (0, (GDestroyNotify) free_extgroup);
sax->in_application -= 1;
}
else if (sax->in_extension_fta == 1 &&
_wcsicmp (local_name, L"FileTypeAssociation") == 0 &&
_wcsicmp (prefix, L"uap") == 0)
{
GWin32PackageExtGroup *new_group = g_new0 (GWin32PackageExtGroup, 1);
new_group->extensions = g_steal_pointer (&sax->supported_extensions);
sax->supported_extensions = g_ptr_array_new_full (0, (GDestroyNotify) g_free);
new_group->verbs = g_steal_pointer (&sax->supported_verbs);
sax->supported_verbs = g_ptr_array_new_full (0, (GDestroyNotify) g_free);
g_ptr_array_add (sax->supported_extgroups, new_group);
sax->in_fta_group -= 1;
}
break;
default:
break;
}
return TRUE;
}
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