--- /dev/null
+/*
+ * Copyright (c) 2000, Red Hat, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * A copy of the GNU General Public License can be found at
+ * http://www.gnu.org/
+ *
+ * Written by DJ Delorie <dj@cygnus.com>
+ *
+ */
+
+/* The purpose of this file is to ask the user where they want the
+ root of the installation to be, and to ask whether the user prefers
+ text or binary mounts. */
+
+#include "win32.h"
+#include <shlobj.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <ctype.h>
+
+#include "dialog.h"
+#include "resource.h"
+#include "state.h"
+#include "msg.h"
+#include "regedit.h"
+#include "reginfo.h"
+#include "concat.h"
+#include "log.h"
+
+static int rb[] = { IDC_INSTALL_CYGWIN, IDC_INSTALL_NATIVE, 0 };
+static int su[] = { IDC_ROOT_SYSTEM, IDC_ROOT_USER, 0 };
+
+static void
+check_if_enable_next (HWND h)
+{
+ EnableWindow (GetDlgItem (h, IDOK), install_type && root_dir && root_scope);
+}
+
+static void
+load_dialog (HWND h)
+{
+ rbset (h, rb, install_type);
+ rbset (h, su, root_scope);
+ eset (h, IDC_ROOT_DIR, root_dir);
+ check_if_enable_next (h);
+}
+
+static void
+save_dialog (HWND h)
+{
+ install_type = rbget (h, rb);
+ root_scope = rbget (h, su);
+ char* new_root_dir = eget (h, IDC_ROOT_DIR, root_dir);
+
+ if (!root_dir || strcmp (new_root_dir, root_dir) != 0)
+ root_dir_default = 0;
+
+ root_dir = new_root_dir;
+}
+
+/*
+ * is_admin () determines whether or not the current user is a member of the
+ * Administrators group. On Windows 9X, the current user is considered an
+ * Administrator by definition.
+ */
+
+static int
+is_admin ()
+{
+ // Windows 9X users are considered Administrators by definition
+ OSVERSIONINFO verinfo;
+ verinfo.dwOSVersionInfoSize = sizeof (verinfo);
+ GetVersionEx (&verinfo);
+ if (verinfo.dwPlatformId != VER_PLATFORM_WIN32_NT)
+ return 1;
+
+ // Get the process token for the current process
+ HANDLE token;
+ BOOL status = OpenProcessToken (GetCurrentProcess(), TOKEN_QUERY, &token);
+ if (!status)
+ return 0;
+
+ // Get the group token information
+ UCHAR token_info[1024];
+ PTOKEN_GROUPS groups = (PTOKEN_GROUPS) token_info;
+ DWORD token_info_len = sizeof (token_info);
+ status = GetTokenInformation (token, TokenGroups, token_info, token_info_len, &token_info_len);
+ CloseHandle(token);
+ if (!status)
+ return 0;
+
+ // Create the Administrators group SID
+ PSID admin_sid;
+ SID_IDENTIFIER_AUTHORITY authority = SECURITY_NT_AUTHORITY;
+ status = AllocateAndInitializeSid (&authority, 2, SECURITY_BUILTIN_DOMAIN_RID, DOMAIN_ALIAS_RID_ADMINS, 0, 0, 0, 0, 0, 0, &admin_sid);
+ if (!status)
+ return 0;
+
+ // Check to see if the user is a member of the Administrators group
+ status = 0;
+ for (UINT i=0; i<groups->GroupCount; i++) {
+ if (EqualSid(groups->Groups[i].Sid, admin_sid)) {
+ status = 1;
+ break;
+ }
+ }
+
+ // Destroy the Administrators group SID
+ FreeSid (admin_sid);
+
+ // Return whether or not the user is a member of the Administrators group
+ return status;
+}
+
+static void
+change_default_root (int id)
+{
+ int issystem;
+ char* cygroot = find_cygwin_root (&issystem);
+ if (id == IDC_INSTALL_CYGWIN && cygroot)
+ {
+ root_dir = concat (cygroot, XEMACS_CYGWIN_DEFAULT_ROOT, 0);
+ install_type = IDC_INSTALL_CYGWIN;
+ }
+ else if (id == IDC_INSTALL_NATIVE)
+ {
+ char windir[_MAX_PATH];
+ GetWindowsDirectory (windir, sizeof (windir));
+ windir[2] = 0;
+ root_dir = concat (windir, XEMACS_DEFAULT_ROOT, 0);
+ install_type = IDC_INSTALL_NATIVE;
+ }
+}
+
+static int CALLBACK
+browse_cb (HWND h, UINT m, LPARAM lp, LPARAM data)
+{
+ switch (m)
+ {
+ case BFFM_INITIALIZED:
+ if (root_dir)
+ SendMessage (h, BFFM_SETSELECTION, TRUE, (LPARAM)root_dir);
+ break;
+ }
+ return 0;
+}
+
+static void
+browse (HWND h)
+{
+ BROWSEINFO bi;
+ CHAR name[MAX_PATH];
+ LPITEMIDLIST pidl;
+ memset (&bi, 0, sizeof (bi));
+ bi.hwndOwner = h;
+ bi.pszDisplayName = name;
+ bi.lpszTitle = "Select an installation root directory";
+ bi.ulFlags = BIF_RETURNONLYFSDIRS;
+ bi.lpfn = browse_cb;
+ pidl = SHBrowseForFolder (&bi);
+ if (pidl)
+ {
+ if (SHGetPathFromIDList (pidl, name))
+ eset (h, IDC_ROOT_DIR, name);
+ }
+}
+
+#define isslash(c) ((c) == '\\' || (c) == '/')
+
+static int
+directory_is_absolute ()
+{
+ if (isalpha (root_dir[0])
+ && root_dir[1] == ':'
+ && (root_dir[2] == '\\' || root_dir[2] == '/'))
+ return 1;
+ return 0;
+}
+
+static int
+directory_is_rootdir ()
+{
+ char *c;
+ for (c = root_dir; *c; c++)
+ if (isslash (c[0]) && c[1] && !isslash (c[1]))
+ return 0;
+ return 1;
+}
+
+static int
+cygwin_without_cygwin ()
+{
+ int issystem;
+ if (install_type == IDC_INSTALL_CYGWIN
+ && !find_cygwin_root (&issystem))
+ return 1;
+ return 0;
+}
+
+static BOOL
+dialog_cmd (HWND h, int id, HWND hwndctl, UINT code)
+{
+ switch (id)
+ {
+
+ case IDC_ROOT_DIR:
+ case IDC_ROOT_SYSTEM:
+ case IDC_ROOT_USER:
+ save_dialog (h);
+ check_if_enable_next (h);
+ break;
+
+ case IDC_INSTALL_NATIVE:
+ case IDC_INSTALL_CYGWIN:
+ if (root_dir_default)
+ {
+ change_default_root (id);
+ eset (h, IDC_ROOT_DIR, root_dir);
+ }
+ save_dialog (h);
+ check_if_enable_next (h);
+ break;
+
+ case IDC_ROOT_BROWSE:
+ browse (h);
+ break;
+
+ case IDOK:
+ save_dialog (h);
+
+ if (! directory_is_absolute ())
+ {
+ note (IDS_ROOT_ABSOLUTE);
+ break;
+ }
+
+ if (directory_is_rootdir ())
+ if (IDNO == yesno (IDS_ROOT_SLASH))
+ break;
+
+ if (cygwin_without_cygwin ())
+ if (IDNO == yesno (IDS_ROOT_NOCYGWIN))
+ break;
+
+ create_xemacs_root (backslash (root_dir),
+ root_scope == IDC_ROOT_SYSTEM ? 1 : 0,
+ install_type == IDC_INSTALL_NATIVE ? 1 : 0);
+
+ switch (source)
+ {
+ case IDC_SOURCE_NETINST:
+ NEXT (IDD_NET);
+ break;
+ case IDC_SOURCE_CWD:
+ NEXT (IDD_S_FROM_CWD);
+ break;
+ default:
+ msg ("source is default? %d\n", source);
+ NEXT (0);
+ }
+ break;
+
+ case IDC_BACK:
+ save_dialog (h);
+ NEXT (IDD_LOCAL_DIR);
+ break;
+
+ case IDCANCEL:
+ NEXT (0);
+ break;
+ }
+ return FALSE;
+}
+
+static BOOL CALLBACK
+dialog_proc (HWND h, UINT message, WPARAM wParam, LPARAM lParam)
+{
+ switch (message)
+ {
+ case WM_INITDIALOG:
+ load_dialog (h);
+ return FALSE;
+ case WM_COMMAND:
+ return HANDLE_WM_COMMAND (h, wParam, lParam, dialog_cmd);
+ }
+ return FALSE;
+}
+
+static void
+set_default_root ()
+{
+ change_default_root (IDC_INSTALL_NATIVE);
+ root_scope = (is_admin()) ? IDC_ROOT_SYSTEM : IDC_ROOT_USER;
+ root_dir_default = 1;
+}
+
+void
+do_root (HINSTANCE h)
+{
+ int rv = 0;
+ // init will have read a previous root
+ if (!root_dir)
+ set_default_root ();
+
+ rv = DialogBox (h, MAKEINTRESOURCE (IDD_ROOT), 0, dialog_proc);
+ if (rv == -1)
+ fatal (IDS_DIALOG_FAILED);
+
+ log (0, "root: %s %s %s", root_dir,
+ (install_type == IDC_INSTALL_NATIVE) ? "native" : "cygwin",
+ (root_scope == IDC_ROOT_USER) ? "user" : "system");
+}
+
projects / chise / xemacs-chise.git- / blobdiff