rbutil/rbutilqt/detect.cpp

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  *
   9  *   Copyright (C) 2007 by Dominik Wenger
  10  *   $Id: detect.cpp 17769 2008-06-23 20:31:44Z Domonoky $
  11  *
  12  * All files in this archive are subject to the GNU General Public License.
  13  * See the file COPYING in the source tree root for full license agreement.
  14  *
  15  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  16  * KIND, either express or implied.
  17  *
  18  ****************************************************************************/
  19
  20
  21 #include "detect.h"
  22
  23 #include <QtCore>
  24 #include <QDebug>
  25 #include <cstdlib>
  26 #include <stdio.h>
  27 #include <QMessageBox>
  28
  29
  30 // Windows Includes
  31 #if defined(Q_OS_WIN32)
  32 #if defined(UNICODE)
  33 #define _UNICODE
  34 #endif
  35 #include <windows.h>
  36 #include <tchar.h>
  37 #include <lm.h>
  38 #include <windows.h>
  39 #include <setupapi.h>
  40 #endif
  41
  42 // Linux and Mac includes
  43 #if defined(Q_OS_LINUX) || defined(Q_OS_MACX)
  44 #include <usb.h>
  45 #include <sys/utsname.h>
  46 #include <unistd.h>
  47 #include <pwd.h>
  48 #endif
  49
  50 // Linux includes
  51 #if defined(Q_OS_LINUX)
  52 #include <mntent.h>
  53 #endif
  54
  55 // Mac includes
  56 #if defined(Q_OS_MACX)
  57 #include <sys/param.h>
  58 #include <sys/ucred.h>
  59 #include <sys/mount.h>
  60 #endif
  61
  62
  63 /** @brief detect permission of user (only Windows at moment).
  64  *  @return enum userlevel.
  65  */
  66 #if defined(Q_OS_WIN32)
  67 enum userlevel Detect::userPermissions(void)
  68 {
  69     LPUSER_INFO_1 buf;
  70     NET_API_STATUS napistatus;
  71     wchar_t userbuf[UNLEN];
  72     DWORD usersize = UNLEN;
  73     BOOL status;
  74     enum userlevel result;
  75
  76     status = GetUserNameW(userbuf, &usersize);
  77     if(!status)
  78         return ERR;
  79
  80     napistatus = NetUserGetInfo(NULL, userbuf, (DWORD)1, (LPBYTE*)&buf);
  81
  82     switch(buf->usri1_priv) {
  83         case USER_PRIV_GUEST:
  84             result = GUEST;
  85             break;
  86         case USER_PRIV_USER:
  87             result = USER;
  88             break;
  89         case USER_PRIV_ADMIN:
  90             result = ADMIN;
  91             break;
  92         default:
  93             result = ERR;
  94             break;
  95     }
  96     NetApiBufferFree(buf);
  97
  98     return result;
  99 }
 100
 101 /** @brief detects user permissions (only Windows at moment).
 102  *  @return a user readable string with the permission.
 103  */
 104 QString Detect::userPermissionsString(void)
 105 {
 106     QString result;
 107     int perm = getUserPermissions();
 108     switch(perm) {
 109         case GUEST:
 110             result = QObject::tr("Guest");
 111             break;
 112         case ADMIN:
 113             result = QObject::tr("Admin");
 114             break;
 115         case USER:
 116             result = QObject::tr("User");
 117             break;
 118         default:
 119             result = QObject::tr("Error");
 120             break;
 121     }
 122     return result;
 123 }
 124 #endif
 125
 126
 127 /** @brief detects current Username.
 128  *  @return string with Username.
 129  */
 130 QString Detect::userName(void)
 131 {
 132 #if defined(Q_OS_WIN32)
 133     wchar_t userbuf[UNLEN];
 134     DWORD usersize = UNLEN;
 135     BOOL status;
 136
 137     status = GetUserNameW(userbuf, &usersize);
 138
 139     return QString::fromWCharArray(userbuf);
 140 #endif
 141 #if defined(Q_OS_LINUX) || defined(Q_OS_MACX)
 142     struct passwd *user;
 143     user = getpwuid(geteuid());
 144     return QString(user->pw_name);
 145 #endif
 146 }
 147
 148
 149 /** @brief detects the OS Version
 150  *  @return String with OS Version.
 151  */
 152 QString Detect::osVersionString(void)
 153 {
 154     QString result;
 155 #if defined(Q_OS_WIN32)
 156     OSVERSIONINFO osvi;
 157     ZeroMemory(&osvi, sizeof(OSVERSIONINFO));
 158     osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
 159     GetVersionEx(&osvi);
 160
 161     result = QString("Windows version %1.%2, ").arg(osvi.dwMajorVersion).arg(osvi.dwMinorVersion);
 162     result += QString("build %1 (%2)").arg(osvi.dwBuildNumber).arg(QString::fromWCharArray(osvi.szCSDVersion));
 163 #endif
 164 #if defined(Q_OS_LINUX) || defined(Q_OS_MACX)
 165     struct utsname u;
 166     int ret;
 167     ret = uname(&u);
 168
 169     result = QString("CPU: %1<br/>System: %2<br/>Release: %3<br/>Version: %4")
 170         .arg(u.machine).arg(u.sysname).arg(u.release).arg(u.version);
 171 #endif
 172     return result;
 173 }
 174
 175 /** @brief detect devices based on usb pid / vid.
 176  *  @return list with usb VID / PID values.
 177  */
 178 QList<uint32_t> Detect::listUsbIds(void)
 179 {
 180     QList<uint32_t> usbids;
 181     // usb pid detection
 182 #if defined(Q_OS_LINUX) | defined(Q_OS_MACX)
 183     usb_init();
 184     usb_find_busses();
 185     usb_find_devices();
 186     struct usb_bus *b;
 187     b = usb_busses;
 188
 189     while(b) {
 190         qDebug() << "bus:" << b->dirname << b->devices;
 191         if(b->devices) {
 192             qDebug() << "devices present.";
 193             struct usb_device *u;
 194             u = b->devices;
 195             while(u) {
 196                 uint32_t id;
 197                 id = u->descriptor.idVendor << 16 | u->descriptor.idProduct;
 198                 if(id) usbids.append(id);
 199                 u = u->next;
 200             }
 201         }
 202         b = b->next;
 203     }
 204 #endif
 205
 206 #if defined(Q_OS_WIN32)
 207     HDEVINFO deviceInfo;
 208     SP_DEVINFO_DATA infoData;
 209     DWORD i;
 210
 211     // Iterate over all devices
 212     // by doing it this way it's unneccessary to use GUIDs which might be not
 213     // present in current MinGW. It also seemed to be more reliably than using
 214     // a GUID.
 215     // See KB259695 for an example.
 216     deviceInfo = SetupDiGetClassDevs(NULL, NULL, NULL, DIGCF_ALLCLASSES | DIGCF_PRESENT);
 217
 218     infoData.cbSize = sizeof(SP_DEVINFO_DATA);
 219
 220     for(i = 0; SetupDiEnumDeviceInfo(deviceInfo, i, &infoData); i++) {
 221         DWORD data;
 222         LPTSTR buffer = NULL;
 223         DWORD buffersize = 0;
 224
 225         // get device desriptor first
 226         // for some reason not doing so results in bad things (tm)
 227         while(!SetupDiGetDeviceRegistryProperty(deviceInfo, &infoData,
 228             SPDRP_DEVICEDESC,&data, (PBYTE)buffer, buffersize, &buffersize)) {
 229             if(GetLastError() == ERROR_INSUFFICIENT_BUFFER) {
 230                 if(buffer) free(buffer);
 231                 // double buffer size to avoid problems as per KB888609
 232                 buffer = (LPTSTR)malloc(buffersize * 2);
 233             }
 234             else {
 235                 break;
 236             }
 237         }
 238
 239         // now get the hardware id, which contains PID and VID.
 240         while(!SetupDiGetDeviceRegistryProperty(deviceInfo, &infoData,
 241             SPDRP_HARDWAREID,&data, (PBYTE)buffer, buffersize, &buffersize)) {
 242             if(GetLastError() == ERROR_INSUFFICIENT_BUFFER) {
 243                 if(buffer) free(buffer);
 244                 // double buffer size to avoid problems as per KB888609
 245                 buffer = (LPTSTR)malloc(buffersize * 2);
 246             }
 247             else {
 248                 break;
 249             }
 250         }
 251
 252         unsigned int vid, pid, rev;
 253         if(_stscanf(buffer, _TEXT("USB\\Vid_%x&Pid_%x&Rev_%x"), &vid, &pid, &rev) != 3) {
 254             qDebug() << "Error getting USB ID -- possibly no USB device";
 255         }
 256         else {
 257             uint32_t id;
 258             id = vid << 16 | pid;
 259             usbids.append(id);
 260             qDebug("VID: %04x PID: %04x", vid, pid);
 261         }
 262         if(buffer) free(buffer);
 263     }
 264     SetupDiDestroyDeviceInfoList(deviceInfo);
 265
 266 #endif
 267     return usbids;
 268 }
 269
 270
 271 /** @brief detects current system proxy
 272  *  @return QUrl with proxy or empty
 273  */
 274 QUrl Detect::systemProxy(void)
 275 {
 276 #if defined(Q_OS_LINUX)
 277     return QUrl(getenv("http_proxy"));
 278 #elif defined(Q_OS_WIN32)
 279     HKEY hk;
 280     wchar_t proxyval[80];
 281     DWORD buflen = 80;
 282     long ret;
 283     DWORD enable;
 284     DWORD enalen = sizeof(DWORD);
 285
 286     ret = RegOpenKeyEx(HKEY_CURRENT_USER,
 287         _TEXT("Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings"),
 288         0, KEY_QUERY_VALUE, &hk);
 289     if(ret != ERROR_SUCCESS) return QUrl("");
 290
 291     ret = RegQueryValueEx(hk, _TEXT("ProxyServer"), NULL, NULL, (LPBYTE)proxyval, &buflen);
 292     if(ret != ERROR_SUCCESS) return QUrl("");
 293
 294     ret = RegQueryValueEx(hk, _TEXT("ProxyEnable"), NULL, NULL, (LPBYTE)&enable, &enalen);
 295     if(ret != ERROR_SUCCESS) return QUrl("");
 296
 297     RegCloseKey(hk);
 298
 299     //qDebug() << QString::fromWCharArray(proxyval) << QString("%1").arg(enable);
 300     if(enable != 0)
 301         return QUrl("http://" + QString::fromWCharArray(proxyval));
 302     else
 303         return QUrl("");
 304 #else
 305     return QUrl("");
 306 #endif
 307 }
 308
 309
 310 /** @brief detects the installed Rockbox version
 311  *  @return QString with version. Empty if not aviable
 312  */
 313 QString Detect::installedVersion(QString mountpoint)
 314 {
 315     // read rockbox-info.txt
 316     QFile info(mountpoint +"/.rockbox/rockbox-info.txt");
 317     if(!info.open(QIODevice::ReadOnly))
 318     {
 319         return "";
 320     }
 321
 322     while (!info.atEnd()) {
 323         QString line = info.readLine();
 324
 325         if(line.contains("Version:"))
 326         {
 327             return line.remove("Version:").trimmed();
 328         }
 329     }
 330     info.close();
 331     return "";
 332 }
 333
 334
 335 /** @brief detects installed rockbox target id
 336  *  @return TargetId of installed rockbox, or -1 if not available
 337  */
 338 int Detect::installedTargetId(QString mountpoint)
 339 {
 340     // read rockbox-info.txt
 341     QFile info(mountpoint +"/.rockbox/rockbox-info.txt");
 342     if(!info.open(QIODevice::ReadOnly))
 343     {
 344         return -1;
 345     }
 346
 347     while (!info.atEnd())
 348     {
 349         QString line = info.readLine();
 350         if(line.contains("Target id:"))
 351         {
 352             qDebug() << line;
 353             return line.remove("Target id:").trimmed().toInt();
 354         }
 355     }
 356     info.close();
 357     return -1;
 358 }
 359
 360
 361 /** @brief checks different Enviroment things. Ask if user wants to continue.
 362  *  @param settings A pointer to rbutils settings class
 363  *  @param permission if it should check for permission
 364  *  @param targetId the targetID to check for. if it is -1 no check is done.
 365  *  @return true if everything is ok, or user wants to continue
 366  */
 367 bool Detect::check(RbSettings* settings,bool permission,int targetId)
 368 {
 369     QString text = "";
 370
 371     // check permission
 372     if(permission)
 373     {
 374 #if defined(Q_OS_WIN32)
 375         if(Detect::userPermissions() != Detect::ADMIN)
 376         {
 377             text += QObject::tr("Permissions are not sufficient! \n Run with admin rights. \n\n");
 378         }
 379 #endif
 380     }
 381
 382     // Check TargetId
 383     if(targetId > 0)
 384     {
 385         int installedID = Detect::installedTargetId(settings->mountpoint());
 386         if( installedID != -1 && installedID != targetId)
 387         {
 388             text += QObject::tr("Target mismatch detected. \n\n"
 389                           "Installed target: %1.\n"
 390                           "New Target: %2.\n\n").arg(settings->nameOfTargetId(installedID),settings->curName());
 391
 392         }
 393     }
 394
 395     // show message Box
 396     if(text != "")
 397     {
 398         text += QObject::tr("\n Do you want to continue ?");
 399         if(QMessageBox::warning(NULL, QObject::tr("Problems detected"),text,
 400            QMessageBox::Yes | QMessageBox::No) == QMessageBox::No)
 401         {
 402             return false;
 403         }
 404     }
 405
 406     return true;
 407 }
 408
 409