localdir.cc

   1 /*
   2  * Copyright (c) 2000, Red Hat, Inc.
   3  *
   4  *     This program is free software; you can redistribute it and/or modify
   5  *     it under the terms of the GNU General Public License as published by
   6  *     the Free Software Foundation; either version 2 of the License, or
   7  *     (at your option) any later version.
   8  *
   9  *     A copy of the GNU General Public License can be found at
  10  *     http://www.gnu.org/
  11  *
  12  * Written by Andrej Borsenkow <Andrej.Borsenkow@mow.siemens.ru>
  13  * based on work and suggestions of DJ Delorie
  14  *
  15  */
  16
  17 /* The purpose of this file is to ask the user where they want the
  18  * locally downloaded package files to be cached
  19  */
  20
  21 #include "localdir.h"
  22
  23 #include "LogSingleton.h"
  24 #include "LogFile.h"
  25 #include "win32.h"
  26 #include "filemanip.h"
  27
  28 #include <shlobj.h>
  29 #include <stdio.h>
  30 #include <stdlib.h>
  31 #include <ctype.h>
  32
  33 #include "ini.h"
  34 #include "dialog.h"
  35 #include "resource.h"
  36 #include "state.h"
  37 #include "msg.h"
  38 #include "mount.h"
  39 #include "io_stream.h"
  40 #include "mkdir.h"
  41
  42 #include "UserSettings.h"
  43
  44 #include "getopt++/StringOption.h"
  45
  46 #include "threebar.h"
  47 extern ThreeBarProgressPage Progress;
  48
  49 static StringOption LocalDirOption ("", 'l', "local-package-dir", "Local package directory", false);
  50
  51 static ControlAdjuster::ControlInfo LocaldirControlsInfo[] = {
  52   { IDC_LOCALDIR_GRP,       CP_STRETCH,   CP_TOP },
  53   { IDC_LOCAL_DIR,          CP_STRETCH,   CP_TOP },
  54   { IDC_LOCAL_DIR_BROWSE,   CP_RIGHT,     CP_TOP },
  55   {0, CP_LEFT, CP_TOP}
  56 };
  57
  58 LocalDirSetting::LocalDirSetting ()
  59 {
  60   const char *fg_ret;
  61   if (std::string (LocalDirOption).size ())
  62     local_dir = std::string (LocalDirOption);
  63   else if ((fg_ret = UserSettings::instance().get ("last-cache")))
  64     local_dir = std::string (fg_ret);
  65 }
  66
  67 void
  68 LocalDirSetting::save ()
  69 {
  70   UserSettings::instance().set ("last-cache", local_dir);
  71   if (source == IDC_SOURCE_DOWNLOAD || !get_root_dir ().size())
  72     {
  73       const char *sep = isdirsep (local_dir[local_dir.size () - 1]) ? "" : "\\";
  74       Logger ().clearFiles();
  75       Logger ().setFile (LOG_BABBLE, local_dir + sep + "setup.log.full", false);
  76       Logger ().setFile (0, local_dir + sep + "setup.log", true);
  77     }
  78   else
  79     {
  80       Logger ().clearFiles();
  81       mkdir_p (1, cygpath ("/var/log").c_str (), 01777);
  82       Logger ().setFile (LOG_BABBLE, cygpath ("/var/log/setup.log.full"),
  83                          false);
  84       Logger ().setFile (0, cygpath ("/var/log/setup.log"), true);
  85     }
  86 }
  87
  88 static void
  89 check_if_enable_next (HWND h)
  90 {
  91   EnableWindow (GetDlgItem (h, IDOK), local_dir.size() != 0);
  92 }
  93
  94 static void
  95 load_dialog (HWND h)
  96 {
  97   char descText[1000];
  98   if (source != IDC_SOURCE_LOCALDIR)
  99     {
 100       LoadString (hinstance, IDS_LOCAL_DIR_DOWNLOAD, descText, sizeof (descText));
 101     }
 102   else
 103     {
 104       LoadString (hinstance, IDS_LOCAL_DIR_INSTALL, descText, sizeof (descText));
 105     }
 106   eset (h, IDC_LOCAL_DIR_DESC, descText);
 107   eset (h, IDC_LOCAL_DIR, local_dir);
 108   check_if_enable_next (h);
 109 }
 110
 111 static void
 112 save_dialog (HWND h)
 113 {
 114   local_dir = egetString (h, IDC_LOCAL_DIR);
 115 }
 116
 117 // returns non-zero if refused or error, 0 if accepted and created ok.
 118 static int
 119 offer_to_create (HWND h, const char *dirname)
 120 {
 121   if (!dirname || !*dirname)
 122     return -1;
 123
 124   if (!unattended_mode)
 125     {
 126       char msgText[MAX_PATH + 100];
 127       char fmtString[100];
 128       DWORD ret;
 129
 130       LoadString (hinstance, IDS_MAYBE_MKDIR, fmtString, sizeof fmtString);
 131       snprintf (msgText, sizeof msgText, fmtString, dirname);
 132
 133       ret = MessageBox (h, msgText, "Cygwin Setup", MB_ICONSTOP | MB_YESNO);
 134       if (ret == IDNO)
 135         return -1;
 136     }
 137
 138   int rv = mkdir_p (true, dirname, 0);
 139
 140   if (rv)
 141     note (h, IDS_CANT_MKDIR, dirname);
 142
 143   return rv;
 144 }
 145
 146 static int CALLBACK
 147 browse_cb (HWND h, UINT msg, LPARAM lp, LPARAM data)
 148 {
 149   /* SHGetPathFromIDList doesn't handle path length > MAX_PATH. */
 150   static CHAR dirname[MAX_PATH];
 151   switch (msg)
 152     {
 153     case BFFM_INITIALIZED:
 154       if (local_dir.size())
 155         SendMessage (h, BFFM_SETSELECTION, TRUE, (LPARAM) local_dir.c_str());
 156       break;
 157     case BFFM_SELCHANGED:
 158       {
 159         // Make a note of each new dir we successfully select, so that
 160         // we know where to create the new directory if an invalid name
 161         // is entered in the text box.
 162         LPITEMIDLIST pidl = reinterpret_cast<LPITEMIDLIST>(lp);
 163         SHGetPathFromIDList (pidl, dirname);
 164         break;
 165       }
 166     case BFFM_VALIDATEFAILED:
 167       // See if user wants to create a dir in the last successfully-selected.
 168       CHAR tempname[MAX_PATH];
 169       snprintf (tempname, sizeof tempname, "%s\\%s", dirname, reinterpret_cast<LPTSTR>(lp));
 170       if (!offer_to_create (h, tempname))
 171         {
 172           SendMessage (h, BFFM_SETSELECTION, TRUE, reinterpret_cast<LPARAM>(tempname));
 173           return -1;
 174         }
 175       // Reset to original directory instead.
 176       SendMessage (h, BFFM_SETSELECTION, TRUE, reinterpret_cast<LPARAM>(dirname));
 177       return -1;
 178     }
 179   return 0;
 180 }
 181
 182 static void
 183 browse (HWND h)
 184 {
 185   BROWSEINFO bi;
 186   /* SHGetPathFromIDList doesn't handle path length > MAX_PATH. */
 187   CHAR name[MAX_PATH];
 188   LPITEMIDLIST pidl;
 189   memset (&bi, 0, sizeof (bi));
 190   bi.hwndOwner = h;
 191   bi.pszDisplayName = name;
 192   bi.lpszTitle = (source != IDC_SOURCE_LOCALDIR) ? "Select download directory"
 193                                             : "Select local package directory";
 194   bi.ulFlags = BIF_RETURNONLYFSDIRS | BIF_NEWDIALOGSTYLE
 195               | ((source != IDC_SOURCE_LOCALDIR) ? (BIF_EDITBOX | BIF_VALIDATE)
 196                                                  : 0);
 197   bi.lpfn = browse_cb;
 198   pidl = SHBrowseForFolder (&bi);
 199   if (pidl)
 200     {
 201       if (SHGetPathFromIDList (pidl, name))
 202         eset (h, IDC_LOCAL_DIR, name);
 203     }
 204 }
 205
 206 static BOOL
 207 dialog_cmd (HWND h, int id, HWND hwndctl, UINT code)
 208 {
 209   switch (id)
 210     {
 211
 212     case IDC_LOCAL_DIR:
 213       save_dialog (h);
 214       check_if_enable_next (h);
 215       break;
 216
 217     case IDC_LOCAL_DIR_BROWSE:
 218       browse (h);
 219       break;
 220     }
 221   return 0;
 222 }
 223
 224 LocalDirPage::LocalDirPage ()
 225 {
 226   sizeProcessor.AddControlInfo (LocaldirControlsInfo);
 227 }
 228
 229 bool
 230 LocalDirPage::Create ()
 231 {
 232   return PropertyPage::Create (NULL, dialog_cmd, IDD_LOCAL_DIR);
 233 }
 234
 235 void
 236 LocalDirPage::OnActivate ()
 237 {
 238   load_dialog (GetHWND ());
 239 }
 240
 241 long
 242 LocalDirPage::OnNext ()
 243 {
 244   HWND h = GetHWND ();
 245
 246   save_dialog (h);
 247   while (local_dir[local_dir.size() - 1] == '\\' || local_dir[local_dir.size() - 1] == '/')
 248     local_dir.erase (local_dir.size() - 1, 1);
 249   LocalDirSetting::save ();
 250   Log (LOG_PLAIN) << "Selected local directory: " << local_dir << endLog;
 251
 252   bool tryLocalDir = true;
 253   while (tryLocalDir)
 254     {
 255       tryLocalDir = false;
 256       /* FIXME: As for almost any other string, we should store local_dir
 257          as UNICODE string to avoid the whole conversion mess.
 258          We call GetFileAttributesW because our own version implies
 259          FILE_OPEN_FOR_BACKUP_INTENT.  We don't try to change CWD for
 260          the same reason. */
 261       size_t len = local_dir.size () + 7;
 262       WCHAR wlocal[len];
 263       mklongpath (wlocal, local_dir.c_str (), len);
 264       DWORD attr = GetFileAttributesW (wlocal);
 265       if (attr != INVALID_FILE_ATTRIBUTES && (attr & FILE_ATTRIBUTE_DIRECTORY))
 266         {
 267           if (source == IDC_SOURCE_LOCALDIR)
 268             {
 269               do_from_local_dir (GetInstance (), GetHWND (), local_dir);
 270               Progress.SetActivateTask (WM_APP_START_SETUP_INI_DOWNLOAD);
 271               return IDD_INSTATUS;
 272             }
 273         }
 274       else if (attr == INVALID_FILE_ATTRIBUTES
 275                && (GetLastError () == ERROR_FILE_NOT_FOUND
 276                    || GetLastError () == ERROR_PATH_NOT_FOUND))
 277         {
 278           if (source == IDC_SOURCE_LOCALDIR)
 279            {
 280            if (!unattended_mode)
 281             {
 282               // Check the user really wants only to uninstall.
 283               char msgText[1000];
 284               LoadString (hinstance, IDS_NO_LOCALDIR, msgText,
 285                           sizeof (msgText));
 286               char msg[1000 + local_dir.size ()];
 287               snprintf (msg, sizeof (msg), msgText, local_dir.c_str ());
 288               int ret = MessageBox (h, msg, "Cygwin Setup", MB_ICONEXCLAMATION | MB_OKCANCEL);
 289               if (ret == IDCANCEL)
 290                 return -1;
 291             }
 292            Progress.SetActivateTask (WM_APP_START_SETUP_INI_DOWNLOAD);
 293            return IDD_INSTATUS;
 294            }
 295           else if (offer_to_create (GetHWND (), local_dir.c_str ()))
 296             return -1;
 297           tryLocalDir = true;
 298         }
 299       else
 300         {
 301           DWORD err = GetLastError ();
 302           char msgText[1000];
 303           LoadString (hinstance, IDS_ERR_CHDIR, msgText, sizeof (msgText));
 304           char* buf;
 305           char msg[1000];
 306           if (FormatMessage (FORMAT_MESSAGE_FROM_SYSTEM |
 307             FORMAT_MESSAGE_ALLOCATE_BUFFER, 0, err, LANG_NEUTRAL,
 308             (LPSTR)&buf, 0, 0) != 0)
 309             {
 310               snprintf (msg, sizeof (msg), msgText, local_dir.c_str(),
 311                 buf, err);
 312               LocalFree (buf);
 313             }
 314             else
 315               snprintf (msg, sizeof (msg), msgText, local_dir.c_str(),
 316                 "(unknown error)", err);
 317           int ret = mbox (h, msg, "Cygwin Setup", MB_ICONEXCLAMATION | MB_ABORTRETRYIGNORE);
 318           if (ret == IDABORT)
 319             return -1;
 320           else
 321             tryLocalDir = (ret == IDRETRY);
 322         }
 323     }
 324
 325   if (source == IDC_SOURCE_LOCALDIR)
 326     return IDD_INSTATUS;
 327
 328   return 0; // IDD_NET
 329 }
 330
 331 long
 332 LocalDirPage::OnBack ()
 333 {
 334   save_dialog (GetHWND ());
 335   return 0;
 336 }