Diffstat (limited to 'pwmanager/pwmanager/genpasswd.cpp') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | pwmanager/pwmanager/genpasswd.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/pwmanager/pwmanager/genpasswd.cpp b/pwmanager/pwmanager/genpasswd.cpp index 41078b3..82f0c06 100644 --- a/pwmanager/pwmanager/genpasswd.cpp +++ b/pwmanager/pwmanager/genpasswd.cpp @@ -1,193 +1,195 @@ /*************************************************************************** * * * copyright (C) 2004 by Michael Buesch * * email: mbuesch@freenet.de * * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License version 2 * * as published by the Free Software Foundation. * * * ***************************************************************************/ /*************************************************************************** * copyright (C) 2004 by Ulf Schenk * This file is originaly based on version 1.0.1 of pwmanager * and was modified to run on embedded devices that run microkde * * $Id$ **************************************************************************/ #include "genpasswd.h" #include "pwmexception.h" #include "randomizer.h" #include "globalstuff.h" +//Added by qt3to4: +#include <Q3PtrList> /* how often can a char of the same charset be reused in order */ #define FILTER_MAX_CHARSET_REUSE 3 /* re-randomize all charsets on every iteration (0/1) */ #define RERAND_CHARSET 0 struct staticCharsetStruct { const char *lower; const char *upper; const char *num; const char *special; const char *blank; }; static struct staticCharsetStruct staticCharset = { "abcdefghijklmnopqrstuvwxyz", "ABCDEFGHIJKLMNOPQRSTUVWXYZ", "0123456789", "!\"§$%&/()=?,.-;:_+", " " }; GenPasswd::GenPasswd() : length (8) , useFilter (true) { dynCharset.setAutoDelete(true); } void GenPasswd::setCharset(bool lower, bool upper, bool num, bool special, bool blank, QString user) { unsigned int sanityCheck = 0; dynCharset_element *tmpElement; dynCharset.clear(); if (lower) { tmpElement = new dynCharset_element; tmpElement->refCnt = 0; tmpElement->data = staticCharset.lower; dynCharset.append(tmpElement); ++sanityCheck; } if (upper) { tmpElement = new dynCharset_element; tmpElement->refCnt = 0; tmpElement->data = staticCharset.upper; dynCharset.append(tmpElement); ++sanityCheck; } if (num) { tmpElement = new dynCharset_element; tmpElement->refCnt = 0; tmpElement->data = staticCharset.num; dynCharset.append(tmpElement); ++sanityCheck; } if (special) { tmpElement = new dynCharset_element; tmpElement->refCnt = 0; tmpElement->data = staticCharset.special; dynCharset.append(tmpElement); ++sanityCheck; } if (blank) { tmpElement = new dynCharset_element; tmpElement->refCnt = 0; tmpElement->data = staticCharset.blank; dynCharset.append(tmpElement); } if (!user.isEmpty()) { tmpElement = new dynCharset_element; tmpElement->refCnt = 0; tmpElement->data = user; dynCharset.append(tmpElement); if (likely(user.length() >= 2)) ++sanityCheck; } BUG_ON(!sanityCheck); rndDynCharset(); } void GenPasswd::rndDynCharset() { QString tmpData; int pos; Randomizer *rnd = Randomizer::obj(); // QPtrList<dynCharset_element>::iterator is not available in QT-3.1 unsigned int i, cnt = dynCharset.count(); dynCharset_element *p; for (i = 0; i < cnt; ++i) { p = dynCharset.at(i); PWM_ASSERT(p); tmpData = QString::null; while (p->data.length()) { pos = rnd->genRndInt() % p->data.length(); tmpData.append(p->data.at(pos)); p->data.remove(pos, 1); } p->data = tmpData; } } QString GenPasswd::gen() { BUG_ON(dynCharset.count() <= 0); BUG_ON(length < 1); dynCharset_element *curCharset; QString ret; int i; for (i = 0; i < length; ++i) { curCharset = selectNextCharset(); #if RERAND_CHARSET != 0 rndDynCharset(); #endif // RERAND_CHARSET ret += genNewRandom(curCharset); } return ret; } GenPasswd::dynCharset_element * GenPasswd::selectNextCharset() { dynCharset_element *ret; int numCharsets = dynCharset.count(); BUG_ON(numCharsets <= 0); if (numCharsets == 1) return dynCharset.at(0); Randomizer *rnd = Randomizer::obj(); if (useFilter) { // find out which charsets are allowed (filtering) - QPtrList<dynCharset_element> allowedCharsets; + Q3PtrList<dynCharset_element> allowedCharsets; // QPtrList<dynCharset_element>::iterator is not available in QT-3.1 unsigned int i, cnt = dynCharset.count(); dynCharset_element *p; for (i = 0; i < cnt; ++i) { p = dynCharset.at(i); PWM_ASSERT(p); if (p->refCnt < FILTER_MAX_CHARSET_REUSE) { allowedCharsets.append(p); } else { p->refCnt = 0; } } int numAllowedCharsets = allowedCharsets.count(); BUG_ON(numAllowedCharsets <= 0); // now get a random charset out of the allowed unsigned int randomPos = rnd->genRndUInt() % numAllowedCharsets; ret = allowedCharsets.at(randomPos); ret->refCnt++; return ret; } // all charsets are allowed here (no filtering). Get a random. unsigned int randomPos = rnd->genRndUInt() % numCharsets; ret = dynCharset.at(randomPos); return ret; } QChar GenPasswd::genNewRandom(const dynCharset_element *charset) { Randomizer *rnd = Randomizer::obj(); int pos = rnd->genRndInt() % charset->data.length(); return charset->data.at(pos); } |