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![Eric Pouech](/assets/img/avatar_default.png)
Signed-off-by: Eric Pouech <eric.pouech@gmail.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>
523 lines
14 KiB
C
523 lines
14 KiB
C
/*
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* Implementation of the AclUI
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*
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* Copyright (C) 2009 Nikolay Sivov
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <stdarg.h>
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#define COBJMACROS
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#include "initguid.h"
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#include "windef.h"
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#include "winbase.h"
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#include "winuser.h"
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#include "winnt.h"
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#include "aclui.h"
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#include "resource.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(aclui);
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/* the aclui.h files does not contain the necessary COBJMACROS */
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#define ISecurityInformation_AddRef(This) (This)->lpVtbl->AddRef(This)
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#define ISecurityInformation_Release(This) (This)->lpVtbl->Release(This)
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#define ISecurityInformation_GetObjectInformation(This, obj) (This)->lpVtbl->GetObjectInformation(This, obj)
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#define ISecurityInformation_GetSecurity(This, info, sd, def) (This)->lpVtbl->GetSecurity(This, info, sd, def)
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#define ISecurityInformation_GetAccessRights(This, type, flags, access, count, def) (This)->lpVtbl->GetAccessRights(This, type, flags, access, count, def)
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struct user
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{
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WCHAR *name;
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PSID sid;
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};
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struct security_page
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{
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ISecurityInformation *security;
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SI_OBJECT_INFO info;
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PSECURITY_DESCRIPTOR sd;
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SI_ACCESS *access;
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ULONG access_count;
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struct user *users;
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unsigned int user_count;
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HWND dialog;
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HIMAGELIST image_list;
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};
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static HINSTANCE aclui_instance;
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static WCHAR *WINAPIV load_formatstr(UINT resource, ...)
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{
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va_list valist;
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WCHAR *str;
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DWORD ret;
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va_start(valist, resource);
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ret = FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_HMODULE,
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aclui_instance, resource, 0, (WCHAR*)&str, 0, &valist);
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va_end(valist);
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return ret ? str : NULL;
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}
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static WCHAR *get_sid_name(PSID sid, SID_NAME_USE *sid_type)
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{
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WCHAR *name, *domain;
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DWORD domain_len = 0;
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DWORD name_len = 0;
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BOOL ret;
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LookupAccountSidW(NULL, sid, NULL, &name_len, NULL, &domain_len, sid_type);
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if (GetLastError() != ERROR_INSUFFICIENT_BUFFER)
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return NULL;
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if (!(name = malloc(name_len * sizeof(WCHAR))))
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return NULL;
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if (!(domain = malloc(domain_len * sizeof(WCHAR))))
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{
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free(name);
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return NULL;
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}
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ret = LookupAccountSidW(NULL, sid, name, &name_len, domain, &domain_len, sid_type);
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free(domain);
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if (ret) return name;
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free(name);
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return NULL;
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}
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static void add_user(struct security_page *page, PSID sid)
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{
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struct user *new_array, *user;
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SID_NAME_USE sid_type;
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unsigned int i;
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LVITEMW item;
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WCHAR *name;
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/* check if we already processed this user or group */
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for (i = 0; i < page->user_count; ++i)
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{
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if (EqualSid(sid, page->users[i].sid))
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return;
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}
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if (!(name = get_sid_name(sid, &sid_type)))
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return;
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if (!(new_array = realloc(page->users, (page->user_count + 1) * sizeof(*page->users))))
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{
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free(name);
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return;
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}
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page->users = new_array;
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user = &page->users[page->user_count++];
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user->name = name;
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user->sid = sid;
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item.mask = LVIF_PARAM | LVIF_TEXT | LVIF_IMAGE;
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item.iItem = -1;
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item.iSubItem = 0;
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item.pszText = name;
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item.lParam = (LPARAM)user;
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item.iImage = (sid_type == SidTypeGroup || sid_type == SidTypeWellKnownGroup) ? 0 : 1;
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SendMessageW(GetDlgItem(page->dialog, IDC_USERS), LVM_INSERTITEMW, 0, (LPARAM)&item);
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}
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static PSID get_sid_from_ace(ACE_HEADER *ace)
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{
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switch (ace->AceType)
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{
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case ACCESS_ALLOWED_ACE_TYPE:
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return &((ACCESS_ALLOWED_ACE *)ace)->SidStart;
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case ACCESS_DENIED_ACE_TYPE:
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return &((ACCESS_DENIED_ACE *)ace)->SidStart;
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default:
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FIXME("Unhandled ACE type %#x.\n", ace->AceType);
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return NULL;
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}
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}
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static void compute_access_masks(PSECURITY_DESCRIPTOR sd, PSID sid, ACCESS_MASK *allowed, ACCESS_MASK *denied)
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{
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BOOL defaulted, present;
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ACE_HEADER *ace;
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PSID ace_sid;
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DWORD index;
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ACL *dacl;
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*allowed = 0;
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*denied = 0;
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if (!GetSecurityDescriptorDacl(sd, &present, &dacl, &defaulted) || !present)
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return;
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for (index = 0; index < dacl->AceCount; index++)
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{
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if (!GetAce(dacl, index, (void**)&ace))
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break;
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ace_sid = get_sid_from_ace(ace);
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if (!ace_sid || !EqualSid(ace_sid, sid))
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continue;
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if (ace->AceType == ACCESS_ALLOWED_ACE_TYPE)
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*allowed |= ((ACCESS_ALLOWED_ACE*)ace)->Mask;
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else if (ace->AceType == ACCESS_DENIED_ACE_TYPE)
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*denied |= ((ACCESS_DENIED_ACE*)ace)->Mask;
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}
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}
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static void update_access_list(struct security_page *page, struct user *user)
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{
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ACCESS_MASK allowed, denied;
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WCHAR *infotext;
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ULONG i, index;
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LVITEMW item;
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HWND control;
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compute_access_masks(page->sd, user->sid, &allowed, &denied);
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if ((infotext = load_formatstr(IDS_PERMISSION_FOR, user->name)))
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{
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SetDlgItemTextW(page->dialog, IDC_ACE_USER, infotext);
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LocalFree(infotext);
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}
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control = GetDlgItem(page->dialog, IDC_ACE);
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index = 0;
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for (i = 0; i < page->access_count; i++)
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{
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if (!(page->access[i].dwFlags & SI_ACCESS_GENERAL))
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continue;
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item.mask = LVIF_TEXT;
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item.iItem = index;
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item.iSubItem = 1;
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if ((page->access[i].mask & allowed) == page->access[i].mask)
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item.pszText = (WCHAR *)L"X";
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else
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item.pszText = (WCHAR *)L"-";
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SendMessageW(control, LVM_SETITEMW, 0, (LPARAM)&item);
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item.iSubItem = 2;
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if ((page->access[i].mask & denied) == page->access[i].mask)
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item.pszText = (WCHAR *)L"X";
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else
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item.pszText = (WCHAR *)L"-";
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SendMessageW(control, LVM_SETITEMW, 0, (LPARAM)&item);
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index++;
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}
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}
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static void init_users(struct security_page *page)
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{
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BOOL defaulted, present;
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ACE_HEADER *ace;
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DWORD index;
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ACL *dacl;
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PSID sid;
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if (!GetSecurityDescriptorDacl(page->sd, &present, &dacl, &defaulted))
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{
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ERR("Failed to query descriptor information, error %lu.\n", GetLastError());
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return;
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}
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if (!present)
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return;
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for (index = 0; index < dacl->AceCount; index++)
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{
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if (!GetAce(dacl, index, (void **)&ace))
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break;
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if (!(sid = get_sid_from_ace(ace)))
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continue;
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add_user(page, sid);
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}
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}
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static void init_access_list(struct security_page *page)
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{
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ULONG i, index;
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WCHAR str[256];
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LVITEMW item;
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HWND control;
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control = GetDlgItem(page->dialog, IDC_ACE);
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index = 0;
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for (i = 0; i < page->access_count; i++)
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{
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if (!(page->access[i].dwFlags & SI_ACCESS_GENERAL))
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continue;
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item.mask = LVIF_TEXT;
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item.iItem = index;
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item.iSubItem = 0;
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if (IS_INTRESOURCE(page->access[i].pszName))
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{
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str[0] = 0;
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LoadStringW(page->info.hInstance, (DWORD_PTR)page->access[i].pszName, str, ARRAY_SIZE(str));
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item.pszText = str;
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}
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else
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item.pszText = (WCHAR *)page->access[i].pszName;
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SendMessageW(control, LVM_INSERTITEMW, 0, (LPARAM)&item);
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index++;
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}
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}
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static HIMAGELIST create_image_list(UINT resource, UINT width, UINT height, UINT count, COLORREF mask_color)
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{
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HIMAGELIST image_list;
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HBITMAP image;
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INT ret;
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if (!(image_list = ImageList_Create(width, height, ILC_COLOR32 | ILC_MASK, 0, count)))
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return NULL;
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if (!(image = LoadBitmapW(aclui_instance, MAKEINTRESOURCEW(resource))))
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{
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ImageList_Destroy(image_list);
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return NULL;
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}
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ret = ImageList_AddMasked(image_list, image, mask_color);
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DeleteObject(image);
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if (ret == -1)
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{
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ImageList_Destroy(image_list);
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return NULL;
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}
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return image_list;
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}
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static void security_page_free(struct security_page *page)
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{
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unsigned int i;
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for (i = 0; i < page->user_count; ++i)
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free(page->users[i].name);
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free(page->users);
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LocalFree(page->sd);
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if (page->image_list)
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ImageList_Destroy(page->image_list);
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if (page->security)
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ISecurityInformation_Release(page->security);
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free(page);
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}
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static void security_page_init_dlg(HWND hwnd, struct security_page *page)
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{
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LVCOLUMNW column;
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HWND control;
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HRESULT hr;
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ULONG def;
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RECT rect;
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page->dialog = hwnd;
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if (FAILED(hr = ISecurityInformation_GetSecurity(page->security,
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DACL_SECURITY_INFORMATION, &page->sd, FALSE)))
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{
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ERR("Failed to get security descriptor, hr %#lx.\n", hr);
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return;
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}
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if (FAILED(hr = ISecurityInformation_GetAccessRights(page->security,
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NULL, 0, &page->access, &page->access_count, &def)))
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{
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ERR("Failed to get access mapping, hr %#lx.\n", hr);
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return;
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}
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/* user list */
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control = GetDlgItem(hwnd, IDC_USERS);
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SendMessageW(control, LVM_SETEXTENDEDLISTVIEWSTYLE, LVS_EX_FULLROWSELECT, LVS_EX_FULLROWSELECT);
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GetClientRect(control, &rect);
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column.mask = LVCF_FMT | LVCF_WIDTH;
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column.fmt = LVCFMT_LEFT;
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column.cx = rect.right - rect.left;
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SendMessageW(control, LVM_INSERTCOLUMNW, 0, (LPARAM)&column);
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if (!(page->image_list = create_image_list(IDB_USER_ICONS, 18, 18, 2, RGB(255, 0, 255))))
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return;
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SendMessageW(control, LVM_SETIMAGELIST, LVSIL_SMALL, (LPARAM)page->image_list);
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init_users(page);
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/* ACE list */
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control = GetDlgItem(hwnd, IDC_ACE);
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SendMessageW(control, LVM_SETEXTENDEDLISTVIEWSTYLE, LVS_EX_FULLROWSELECT, LVS_EX_FULLROWSELECT);
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column.mask = LVCF_FMT | LVCF_WIDTH;
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column.fmt = LVCFMT_LEFT;
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column.cx = 170;
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SendMessageW(control, LVM_INSERTCOLUMNW, 0, (LPARAM)&column);
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column.fmt = LVCFMT_CENTER;
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column.cx = 85;
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SendMessageW(control, LVM_INSERTCOLUMNW, 1, (LPARAM)&column);
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SendMessageW(control, LVM_INSERTCOLUMNW, 2, (LPARAM)&column);
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init_access_list(page);
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if (page->user_count)
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{
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LVITEMW item;
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item.mask = LVIF_STATE;
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item.iItem = 0;
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item.iSubItem = 0;
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item.state = LVIS_FOCUSED | LVIS_SELECTED;
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item.stateMask = item.state;
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SendMessageW(control, LVM_SETITEMW, 0, (LPARAM)&item);
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}
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}
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static INT_PTR CALLBACK security_page_proc(HWND dialog, UINT msg, WPARAM wparam, LPARAM lparam)
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{
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switch (msg)
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{
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case WM_INITDIALOG:
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{
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PROPSHEETPAGEW *propsheet = (PROPSHEETPAGEW *)lparam;
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SetWindowLongPtrW(dialog, DWLP_USER, propsheet->lParam);
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security_page_init_dlg(dialog, (struct security_page *)propsheet->lParam);
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break;
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}
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case WM_NOTIFY:
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{
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struct security_page *page = (struct security_page *)GetWindowLongPtrW(dialog, DWLP_USER);
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NMHDR *hdr = (NMHDR *)lparam;
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if (hdr->hwndFrom == GetDlgItem(dialog, IDC_USERS) && hdr->code == LVN_ITEMCHANGED)
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{
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NMLISTVIEW *listview = (NMLISTVIEW *)lparam;
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if (!(listview->uOldState & LVIS_SELECTED) && (listview->uNewState & LVIS_SELECTED))
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update_access_list(page, (struct user *)listview->lParam);
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return TRUE;
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}
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break;
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}
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}
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return FALSE;
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}
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static UINT CALLBACK security_page_callback(HWND hwnd, UINT msg, PROPSHEETPAGEW *ppsp)
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{
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struct security_page *page = (struct security_page *)ppsp->lParam;
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if (msg == PSPCB_RELEASE)
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security_page_free(page);
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return 1;
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}
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HPROPSHEETPAGE WINAPI CreateSecurityPage(ISecurityInformation *security)
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{
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struct security_page *page;
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PROPSHEETPAGEW propsheet;
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HPROPSHEETPAGE ret;
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TRACE("%p\n", security);
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InitCommonControls();
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if (!(page = calloc(1, sizeof(*page))))
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return NULL;
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if (FAILED(ISecurityInformation_GetObjectInformation(security, &page->info)))
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{
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free(page);
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return NULL;
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}
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page->security = security;
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ISecurityInformation_AddRef(security);
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memset(&propsheet, 0, sizeof(propsheet));
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propsheet.dwSize = sizeof(propsheet);
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propsheet.dwFlags = PSP_DEFAULT | PSP_USECALLBACK;
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propsheet.hInstance = aclui_instance;
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propsheet.pszTemplate = (WCHAR *)MAKEINTRESOURCE(IDD_SECURITY_PROPERTIES);
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propsheet.pfnDlgProc = security_page_proc;
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propsheet.pfnCallback = security_page_callback;
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propsheet.lParam = (LPARAM)page;
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if (page->info.dwFlags & SI_PAGE_TITLE)
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{
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propsheet.pszTitle = page->info.pszPageTitle;
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propsheet.dwFlags |= PSP_USETITLE;
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}
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if (!(ret = CreatePropertySheetPageW(&propsheet)))
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{
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ERR("Failed to create property sheet page.\n");
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ISecurityInformation_Release(security);
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free(page);
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return NULL;
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}
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return ret;
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}
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BOOL WINAPI EditSecurity(HWND owner, ISecurityInformation *security)
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{
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PROPSHEETHEADERW sheet = {0};
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HPROPSHEETPAGE pages[1];
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SI_OBJECT_INFO info;
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BOOL ret;
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TRACE("(%p, %p)\n", owner, security);
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if (FAILED(ISecurityInformation_GetObjectInformation(security, &info)))
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return FALSE;
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if (!(pages[0] = CreateSecurityPage(security)))
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return FALSE;
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sheet.dwSize = sizeof(sheet);
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sheet.dwFlags = PSH_DEFAULT;
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sheet.hwndParent = owner;
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sheet.hInstance = aclui_instance;
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sheet.pszCaption = load_formatstr(IDS_PERMISSION_FOR, info.pszObjectName);
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sheet.nPages = 1;
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sheet.nStartPage = 0;
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sheet.phpage = pages;
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ret = PropertySheetW(&sheet) != -1;
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LocalFree((void *)sheet.pszCaption);
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return ret;
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}
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BOOL WINAPI DllMain(HINSTANCE instance, DWORD reason, void *reserved)
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{
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if (reason == DLL_PROCESS_ATTACH)
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{
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aclui_instance = instance;
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DisableThreadLibraryCalls(instance);
|
|
}
|
|
return TRUE;
|
|
}
|