/* * expire - Product expiration (for pre-release versions only) */ #include "tweakui.h" #ifdef PRERELEASE #pragma BEGIN_CONST_DATA /***************************************************************************** * * Beta passwords * * The beta password is simply a CRC32 of the beta ID, using the expiration * date as the seed. * *****************************************************************************/ ConstString(c_tszBetaID, "BetaID"); ConstString(c_tszBetaPwd, "BetaPassword"); ConstString(c_tszBetaExpire, "BetaExpire"); KL const c_klBetaID = { &g_hkLMSMWCV, c_tszAppletTweakUI, c_tszBetaID }; KL const c_klBetaPwd = { &g_hkLMSMWCV, c_tszAppletTweakUI, c_tszBetaPwd }; KL const c_klBetaExpire = { &g_hkLMSMWCV, c_tszAppletTweakUI, c_tszBetaExpire }; /***************************************************************************** * * CRC32 table * *****************************************************************************/ typedef unsigned long HASH; HASH const crctab[] = { 0x00000000L, 0x77073096L, 0xee0e612cL, 0x990951baL, 0x076dc419L, 0x706af48fL, 0xe963a535L, 0x9e6495a3L, 0x0edb8832L, 0x79dcb8a4L, 0xe0d5e91eL, 0x97d2d988L, 0x09b64c2bL, 0x7eb17cbdL, 0xe7b82d07L, 0x90bf1d91L, 0x1db71064L, 0x6ab020f2L, 0xf3b97148L, 0x84be41deL, 0x1adad47dL, 0x6ddde4ebL, 0xf4d4b551L, 0x83d385c7L, 0x136c9856L, 0x646ba8c0L, 0xfd62f97aL, 0x8a65c9ecL, 0x14015c4fL, 0x63066cd9L, 0xfa0f3d63L, 0x8d080df5L, 0x3b6e20c8L, 0x4c69105eL, 0xd56041e4L, 0xa2677172L, 0x3c03e4d1L, 0x4b04d447L, 0xd20d85fdL, 0xa50ab56bL, 0x35b5a8faL, 0x42b2986cL, 0xdbbbc9d6L, 0xacbcf940L, 0x32d86ce3L, 0x45df5c75L, 0xdcd60dcfL, 0xabd13d59L, 0x26d930acL, 0x51de003aL, 0xc8d75180L, 0xbfd06116L, 0x21b4f4b5L, 0x56b3c423L, 0xcfba9599L, 0xb8bda50fL, 0x2802b89eL, 0x5f058808L, 0xc60cd9b2L, 0xb10be924L, 0x2f6f7c87L, 0x58684c11L, 0xc1611dabL, 0xb6662d3dL, 0x76dc4190L, 0x01db7106L, 0x98d220bcL, 0xefd5102aL, 0x71b18589L, 0x06b6b51fL, 0x9fbfe4a5L, 0xe8b8d433L, 0x7807c9a2L, 0x0f00f934L, 0x9609a88eL, 0xe10e9818L, 0x7f6a0dbbL, 0x086d3d2dL, 0x91646c97L, 0xe6635c01L, 0x6b6b51f4L, 0x1c6c6162L, 0x856530d8L, 0xf262004eL, 0x6c0695edL, 0x1b01a57bL, 0x8208f4c1L, 0xf50fc457L, 0x65b0d9c6L, 0x12b7e950L, 0x8bbeb8eaL, 0xfcb9887cL, 0x62dd1ddfL, 0x15da2d49L, 0x8cd37cf3L, 0xfbd44c65L, 0x4db26158L, 0x3ab551ceL, 0xa3bc0074L, 0xd4bb30e2L, 0x4adfa541L, 0x3dd895d7L, 0xa4d1c46dL, 0xd3d6f4fbL, 0x4369e96aL, 0x346ed9fcL, 0xad678846L, 0xda60b8d0L, 0x44042d73L, 0x33031de5L, 0xaa0a4c5fL, 0xdd0d7cc9L, 0x5005713cL, 0x270241aaL, 0xbe0b1010L, 0xc90c2086L, 0x5768b525L, 0x206f85b3L, 0xb966d409L, 0xce61e49fL, 0x5edef90eL, 0x29d9c998L, 0xb0d09822L, 0xc7d7a8b4L, 0x59b33d17L, 0x2eb40d81L, 0xb7bd5c3bL, 0xc0ba6cadL, 0xedb88320L, 0x9abfb3b6L, 0x03b6e20cL, 0x74b1d29aL, 0xead54739L, 0x9dd277afL, 0x04db2615L, 0x73dc1683L, 0xe3630b12L, 0x94643b84L, 0x0d6d6a3eL, 0x7a6a5aa8L, 0xe40ecf0bL, 0x9309ff9dL, 0x0a00ae27L, 0x7d079eb1L, 0xf00f9344L, 0x8708a3d2L, 0x1e01f268L, 0x6906c2feL, 0xf762575dL, 0x806567cbL, 0x196c3671L, 0x6e6b06e7L, 0xfed41b76L, 0x89d32be0L, 0x10da7a5aL, 0x67dd4accL, 0xf9b9df6fL, 0x8ebeeff9L, 0x17b7be43L, 0x60b08ed5L, 0xd6d6a3e8L, 0xa1d1937eL, 0x38d8c2c4L, 0x4fdff252L, 0xd1bb67f1L, 0xa6bc5767L, 0x3fb506ddL, 0x48b2364bL, 0xd80d2bdaL, 0xaf0a1b4cL, 0x36034af6L, 0x41047a60L, 0xdf60efc3L, 0xa867df55L, 0x316e8eefL, 0x4669be79L, 0xcb61b38cL, 0xbc66831aL, 0x256fd2a0L, 0x5268e236L, 0xcc0c7795L, 0xbb0b4703L, 0x220216b9L, 0x5505262fL, 0xc5ba3bbeL, 0xb2bd0b28L, 0x2bb45a92L, 0x5cb36a04L, 0xc2d7ffa7L, 0xb5d0cf31L, 0x2cd99e8bL, 0x5bdeae1dL, 0x9b64c2b0L, 0xec63f226L, 0x756aa39cL, 0x026d930aL, 0x9c0906a9L, 0xeb0e363fL, 0x72076785L, 0x05005713L, 0x95bf4a82L, 0xe2b87a14L, 0x7bb12baeL, 0x0cb61b38L, 0x92d28e9bL, 0xe5d5be0dL, 0x7cdcefb7L, 0x0bdbdf21L, 0x86d3d2d4L, 0xf1d4e242L, 0x68ddb3f8L, 0x1fda836eL, 0x81be16cdL, 0xf6b9265bL, 0x6fb077e1L, 0x18b74777L, 0x88085ae6L, 0xff0f6a70L, 0x66063bcaL, 0x11010b5cL, 0x8f659effL, 0xf862ae69L, 0x616bffd3L, 0x166ccf45L, 0xa00ae278L, 0xd70dd2eeL, 0x4e048354L, 0x3903b3c2L, 0xa7672661L, 0xd06016f7L, 0x4969474dL, 0x3e6e77dbL, 0xaed16a4aL, 0xd9d65adcL, 0x40df0b66L, 0x37d83bf0L, 0xa9bcae53L, 0xdebb9ec5L, 0x47b2cf7fL, 0x30b5ffe9L, 0xbdbdf21cL, 0xcabac28aL, 0x53b39330L, 0x24b4a3a6L, 0xbad03605L, 0xcdd70693L, 0x54de5729L, 0x23d967bfL, 0xb3667a2eL, 0xc4614ab8L, 0x5d681b02L, 0x2a6f2b94L, 0xb40bbe37L, 0xc30c8ea1L, 0x5a05df1bL, 0x2d02ef8dL }; #pragma END_CONST_DATA /***************************************************************************** * * hashFromHashPtsz * * Take a seed and a string and hash them. * *****************************************************************************/ HASH PASCAL hashFromHashPtsz(HASH hash, LPCTSTR ptsz) { for (; *ptsz; ptsz++) { hash = (hash>>8) ^ crctab[(hash^*ptsz)&0xFF]; } return hash; } /***************************************************************************** * * hashFromEncodedPtsz * * Take an encoded string and convert it to a hash. The encoded string * is just a base-26 encoding, with A = 0, ..., Z = 25. * *****************************************************************************/ HASH PASCAL hashFromEncodedPtsz(LPCTSTR ptsz) { HASH hash = 0; for (; *ptsz; ptsz++) { hash = (hash * 26) + (*ptsz - 'A'); } return hash; } /***************************************************************************** * * Expire_IsExpiredPwd * * Returns nonzero if the password is expired. * * The password changes each calendar month. The seed is the PRERELEASE'th * day of the month. This ensures that people can't carry beta passwords * across builds. * *****************************************************************************/ BOOL PASCAL Expire_IsExpiredPwd(void) { TCHAR tszBetaID[256]; TCHAR tszBetaPwd[256]; GetStrPkl(tszBetaID, cbX(tszBetaID), &c_klBetaID); GetStrPkl(tszBetaPwd, cbX(tszBetaPwd), &c_klBetaPwd); if (tszBetaID[0] && tszBetaPwd[0]) { SYSTEMTIME st; GetSystemTime(&st); return hashFromHashPtsz((st.wYear << 16) + (st.wMonth << 8) + PRERELEASE, tszBetaID) - hashFromEncodedPtsz(tszBetaPwd); } else { return 1; } } /***************************************************************************** * * Expire_OnInitDialog * *****************************************************************************/ BOOL NEAR PASCAL Expire_OnInitDialog(HWND hdlg) { TCHAR tszBetaID[256]; DWORD cb = cA(tszBetaID); if (GetStrPkl(tszBetaID, cbX(tszBetaID), &c_klBetaID)|| GetUserName(tszBetaID, &cb)) { AnsiLower(tszBetaID); SetDlgItemText(hdlg, 32, tszBetaID); SendDlgItemMessage(hdlg, 32, EM_SETREADONLY, 1, 0); SetFocus(GetDlgItem(hdlg, 33)); return 0; } else { } return 1; } /***************************************************************************** * * Expire_OnCommand * *****************************************************************************/ void PASCAL Expire_OnCommand(HWND hdlg, int id, UINT codeNotify) { TCHAR tszBetaID[256]; TCHAR tszBetaPwd[256]; switch (id) { case IDOK: GetDlgItemText(hdlg, 32, tszBetaID, cA(tszBetaID)); GetDlgItemText(hdlg, 33, tszBetaPwd, cA(tszBetaPwd)); SetStrPkl(&c_klBetaID, tszBetaID); SetStrPkl(&c_klBetaPwd, tszBetaPwd); EndDialog(hdlg, Expire_IsExpiredPwd()); break; case IDCANCEL: EndDialog(hdlg, 1); break; } } /***************************************************************************** * * Expire_DlgProc * *****************************************************************************/ BOOL EXPORT Expire_DlgProc(HWND hdlg, UINT wm, WPARAM wParam, LPARAM lParam) { switch (wm) { case WM_INITDIALOG: return Expire_OnInitDialog(hdlg); case WM_COMMAND: Expire_OnCommand(hdlg, (int)GET_WM_COMMAND_ID(wParam, lParam), (UINT)GET_WM_COMMAND_CMD(wParam, lParam)); break; default: return 0; /* Unhandled */ } return 1; /* Handled */ } /***************************************************************************** * * IsExpired * * Returns nonzero if this instance has expired. * *****************************************************************************/ #pragma BEGIN_CONST_DATA /* * Simple caesar cipher. Off-by-one. We encode the URL so that a casual * reader won't find them. * * http://157.55.96.156/tweakrun.html? * http://157.55.96.156/tweakexp.html? */ ConstString(c_tszTweakrun, "iuuq;00268/66/:7/2670uxfblsvo/iunm@"); ConstString(c_tszTweakexp, "iuuq;00268/66/:7/2670uxfblfyq/iunm@"); #pragma END_CONST_DATA BOOL PASCAL IsExpired(HWND hwnd) { DWORD dw; SYSTEMTIME st; FILETIME ft; PCTSTR ptszExecMe; if (Expire_IsExpiredPwd()) { if (DialogBox(hinstCur, MAKEINTRESOURCE(IDD_BETAPASSWORD), hwnd, Expire_DlgProc)) { return 1; /* Expired */ } } /* * Not expired. See if it's time for feedback. */ GetSystemTime(&st); SystemTimeToFileTime(&st, &ft); dw = GetDwordPkl(&c_klBetaExpire, 0); if (dw == 0) { /* First time */ ptszExecMe = c_tszTweakrun; } else if (dw < ft.dwHighDateTime) { ptszExecMe = c_tszTweakexp; } else { ptszExecMe = 0; } if (ptszExecMe) { PTSTR ptsz; TCHAR tszURL[cA(c_tszTweakrun) + MAX_PATH + 1 + MAX_COMPUTERNAME_LENGTH + 1]; SetDwordPkl(&c_klBetaExpire, ft.dwHighDateTime + 1408); /* One week */ lstrcpy(tszURL, ptszExecMe); for (ptsz = tszURL; ptsz[0]; ptsz++) { ptsz[0]--; } GetStrPkl(ptsz, cbCtch(MAX_PATH), &c_klBetaID); lstrcat(ptsz, TEXT("?")); dw = MAX_COMPUTERNAME_LENGTH + 1; GetComputerName(ptsz + lstrlen(ptsz), &dw); ShellExecute(0, 0, tszURL, 0, 0, SW_NORMAL); } return 0; } #endif /* PRERELEASE */ #ifdef PUBLIC_PRERELEASE /***************************************************************************** * * IsExpired * * Returns nonzero if this instance has expired. * *****************************************************************************/ /* August 15, 2000 */ const FILETIME c_ftExpire = { 0xC1328000, 0x01C0064B }; BOOL PASCAL IsExpired(HWND hwnd) { SYSTEMTIME st; FILETIME ft; GetSystemTime(&st); SystemTimeToFileTime(&st, &ft); if (CompareFileTime(&ft, &c_ftExpire) >= 0) { MessageBox(hwnd, TEXT("This prerelease version of Tweak UI has expired"), g_tszName, MB_OK); return TRUE; } return 0; } #endif /* PUBLIC_PRERELEASE */