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/// \file ItemData.cpp
//-----------------------------------------------------------------------------
#include "ItemData.h"
#include "BlowFish.h"
#include "TwoFish.h"
#include "PWSrand.h"
#include <time.h>
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
bool CItemData::IsSessionKeySet = false;
unsigned char CItemData::SessionKey[64];
void CItemData::SetSessionKey()
{
// must be called once per session, no more, no less
ASSERT(!IsSessionKeySet);
PWSrand::GetInstance()->GetRandomData( SessionKey, sizeof( SessionKey ) );
IsSessionKeySet = true;
}
//-----------------------------------------------------------------------------
// Constructors
CItemData::CItemData()
: m_Name(NAME), m_Title(TITLE), m_User(USER), m_Password(PASSWORD),
m_Notes(NOTES), m_UUID(UUID), m_Group(GROUP),
m_URL(URL), m_AutoType(AUTOTYPE),
m_tttCTime(CTIME), m_tttPMTime(PMTIME), m_tttATime(ATIME),
m_tttLTime(LTIME), m_tttRMTime(RMTIME), m_PWHistory(PWHIST),
m_display_info(NULL)
{
PWSrand::GetInstance()->GetRandomData( m_salt, SaltLength );
}
CItemData::CItemData(const CItemData &that) :
m_Name(that.m_Name), m_Title(that.m_Title), m_User(that.m_User),
m_Password(that.m_Password), m_Notes(that.m_Notes), m_UUID(that.m_UUID),
m_Group(that.m_Group), m_URL(that.m_URL), m_AutoType(that.m_AutoType),
m_tttCTime(that.m_tttCTime), m_tttPMTime(that.m_tttPMTime), m_tttATime(that.m_tttATime),
m_tttLTime(that.m_tttLTime), m_tttRMTime(that.m_tttRMTime), m_PWHistory(that.m_PWHistory),
m_display_info(that.m_display_info)
{
::memcpy((char*)m_salt, (char*)that.m_salt, SaltLength);
}
//-----------------------------------------------------------------------------
// Accessors
void CItemData::GetField(const CItemField &field, CMyString &value) const
{
BlowFish *bf = MakeBlowFish();
field.Get(value, bf);
delete bf;
}
void CItemData::GetField(const CItemField &field, unsigned char *value, unsigned int &length) const
{
BlowFish *bf = MakeBlowFish();
field.Get(value, length, bf);
delete bf;
}
CMyString
CItemData::GetName() const
{
CMyString ret;
GetField(m_Name, ret);
return ret;
}
CMyString
CItemData::GetTitle() const
{
CMyString ret;
GetField(m_Title, ret);
return ret;
}
CMyString
CItemData::GetUser() const
{
CMyString ret;
GetField(m_User, ret);
return ret;
}
CMyString
CItemData::GetPassword() const
{
CMyString ret;
GetField(m_Password, ret);
return ret;
}
CMyString
CItemData::GetNotes(TCHAR delimiter) const
{
CMyString ret;
GetField(m_Notes, ret);
if (delimiter != 0) {
ret.Remove(TCHAR('\r'));
ret.Replace(TCHAR('\n'), delimiter);
}
return ret;
}
CMyString
CItemData::GetGroup() const
{
CMyString ret;
GetField(m_Group, ret);
return ret;
}
CMyString
CItemData::GetURL() const
{
CMyString ret;
GetField(m_URL, ret);
return ret;
}
CMyString
CItemData::GetAutoType() const
{
CMyString ret;
GetField(m_AutoType, ret);
return ret;
}
CMyString
CItemData::GetTime(const int whichtime, const int result_format) const
{
time_t t;
unsigned char in[TwoFish::BLOCKSIZE]; // required by GetField
unsigned int tlen = sizeof(in); // ditto
switch (whichtime) {
case ATIME:
GetField(m_tttATime, (unsigned char *)in, tlen);
break;
case CTIME:
GetField(m_tttCTime, (unsigned char *)in, tlen);
break;
case LTIME:
GetField(m_tttLTime, (unsigned char *)in, tlen);
break;
case PMTIME:
GetField(m_tttPMTime, (unsigned char *)in, tlen);
break;
case RMTIME:
GetField(m_tttRMTime, (unsigned char *)in, tlen);
break;
default:
ASSERT(0);
}
if (tlen != 0) {
ASSERT(tlen == sizeof(t));
memcpy(&t, in, sizeof(t));
} else {
t = 0;
}
return PWSUtil::ConvertToDateTimeString(t, result_format);
}
void
CItemData::GetTime(int whichtime, time_t &t) const
{
unsigned char in[TwoFish::BLOCKSIZE]; // required by GetField
unsigned int tlen = sizeof(in); // ditto
switch (whichtime) {
case ATIME:
GetField(m_tttATime, (unsigned char *)in, tlen);
break;
case CTIME:
GetField(m_tttCTime, (unsigned char *)in, tlen);
break;
case LTIME:
GetField(m_tttLTime, (unsigned char *)in, tlen);
break;
case PMTIME:
GetField(m_tttPMTime, (unsigned char *)in, tlen);
break;
case RMTIME:
GetField(m_tttRMTime, (unsigned char *)in, tlen);
break;
default:
ASSERT(0);
}
if (tlen != 0)
memcpy(&t, in, sizeof(t));
else
t = 0;
}
void
CItemData::GetUUID(uuid_array_t &uuid_array) const
{
unsigned int length = sizeof(uuid_array);
GetField(m_UUID, (unsigned char *)uuid_array, length);
}
CMyString
CItemData::GetPWHistory() const
{
CMyString ret;
GetField(m_PWHistory, ret);
if (ret == _T("0") || ret == _T("00000"))
ret = _T("");
return ret;
}
CMyString
CItemData::GetPlaintext(TCHAR separator, TCHAR delimiter) const
{
CMyString ret;
CMyString title;
CMyString group(GetGroup());
// a '.' in title gets Import confused re: Groups
title = GetTitle();
if (title.Find(TCHAR('.')) != -1)
if (delimiter != 0) {
title.Replace(TCHAR('.'), delimiter);
} else
title = TCHAR('\"') + title + TCHAR('\"');
if (!group.IsEmpty())
title = group + TCHAR('.') + title;
// History exported as "00000" if empty, to make parsing easier
CMyString history;
BOOL pwh_status;
int pwh_max, pwh_num;
CList<PWHistEntry, PWHistEntry&>* pPWHistList;
pPWHistList = new CList<PWHistEntry, PWHistEntry&>;
CreatePWHistoryList(pwh_status, pwh_max, pwh_num, pPWHistList, EXPORT_IMPORT);
// Build export string
char buffer[8];
#if _MSC_VER >= 1400
sprintf_s(buffer, 8, "%1x%02x%02x", pwh_status, pwh_max, pwh_num);
#else
sprintf(buffer,"%1x%02x%02x", pwh_status, pwh_max, pwh_num);
#endif
history = CMyString(buffer);
if (pPWHistList->GetCount() > 0) {
POSITION listpos = pPWHistList->GetHeadPosition();
while (listpos != NULL) {
const PWHistEntry pwshe = pPWHistList->GetAt(listpos);
history += _T(' ');
history += pwshe.changedate;
#if _MSC_VER >= 1400
sprintf_s(buffer, 8, " %04x ", pwshe.password.GetLength());
#else
sprintf(buffer,"%04x ", pwshe.password.GetLength());
#endif
history += CMyString(buffer);
history += pwshe.password;
pPWHistList->GetNext(listpos);
}
}
delete pPWHistList;
// Notes field must be last, for ease of parsing import
ret = title + separator + GetUser() + separator +
GetPassword() + separator + GetURL() +
separator + GetAutoType() + separator +
GetCTimeExp() + separator +
GetPMTimeExp() + separator +
GetATimeExp() + separator +
GetLTimeExp() + separator +
GetRMTimeExp() + separator +
history + separator +
_T("\"") + GetNotes(delimiter) + _T("\"");
return ret;
}
void
CItemData::SplitName(const CMyString &name,
CMyString &title, CMyString &username)
{
int pos = name.FindByte(SPLTCHR);
if (pos==-1) {//Not a split name
int pos2 = name.FindByte(DEFUSERCHR);
if (pos2 == -1) {//Make certain that you remove the DEFUSERCHR
title = name;
} else {
title = CMyString(name.Left(pos2));
}
} else {
/*
* There should never ever be both a SPLITCHR and a DEFUSERCHR in
* the same string
*/
CMyString temp;
temp = CMyString(name.Left(pos));
temp.TrimRight();
title = temp;
temp = CMyString(name.Right(name.GetLength() - (pos+1))); // Zero-index string
temp.TrimLeft();
username = temp;
}
}
//-----------------------------------------------------------------------------
// Setters
void
CItemData::SetField(CItemField &field, const CMyString &value)
{
BlowFish *bf = MakeBlowFish();
field.Set(value, bf);
delete bf;
}
void
CItemData::SetField(CItemField &field, const unsigned char *value, unsigned int length)
{
BlowFish *bf = MakeBlowFish();
field.Set(value, length, bf);
delete bf;
}
void
CItemData::CreateUUID()
{
CUUIDGen uuid;
uuid_array_t uuid_array;
uuid.GetUUID(uuid_array);
SetUUID(uuid_array);
}
void
CItemData::SetName(const CMyString &name, const CMyString &defaultUsername)
{
// the m_name is from pre-2.0 versions, and may contain the title and user
// separated by SPLTCHR. Also, DEFUSERCHR signified that the default username is to be used.
// Here we fill the title and user fields so that
// the application can ignore this difference after an ItemData record
// has been created
CMyString title, user;
int pos = name.FindByte(DEFUSERCHR);
if (pos != -1) {
title = CMyString(name.Left(pos));
user = defaultUsername;
} else
SplitName(name, title, user);
// In order to avoid unecessary BlowFish construction/deletion,
// we forego SetField here...
BlowFish *bf = MakeBlowFish();
m_Name.Set(name, bf);
m_Title.Set(title, bf);
m_User.Set(user, bf);
delete bf;
}
void
CItemData::SetTitle(const CMyString &title, char delimiter)
{
if (delimiter == 0)
SetField(m_Title, title);
else {
CMyString new_title(_T(""));
CMyString newCString, tmpCString;
int pos = 0;
newCString = title;
do {
pos = newCString.Find(delimiter);
if ( pos != -1 ) {
new_title += CMyString(newCString.Left(pos)) + _T(".");
tmpCString = CMyString(newCString.Mid(pos + 1));
newCString = tmpCString;
}
} while ( pos != -1 );
if (!newCString.IsEmpty())
new_title += newCString;
SetField(m_Title, new_title);
}
}
void
CItemData::SetUser(const CMyString &user)
{
SetField(m_User, user);
}
void
CItemData::SetPassword(const CMyString &password)
{
SetField(m_Password, password);
}
void
CItemData::SetNotes(const CMyString &notes, char delimiter)
{
if (delimiter == 0)
SetField(m_Notes, notes);
else {
const CMyString CRCRLF = _T("\r\r\n");
CMyString multiline_notes(_T(""));
CMyString newCString;
CMyString tmpCString;
int pos = 0;
newCString = notes;
do {
pos = newCString.Find(delimiter);
if ( pos != -1 ) {
multiline_notes += CMyString(newCString.Left(pos)) + CRCRLF;
tmpCString = CMyString(newCString.Mid(pos + 1));
newCString = tmpCString;
}
} while ( pos != -1 );
if (!newCString.IsEmpty())
multiline_notes += newCString;
SetField(m_Notes, multiline_notes);
}
}
void
CItemData::SetGroup(const CMyString &title)
{
SetField(m_Group, title);
}
void
CItemData::SetUUID(const uuid_array_t &UUID)
{
SetField(m_UUID, (const unsigned char *)UUID, sizeof(UUID));
}
void
CItemData::SetURL(const CMyString &URL)
{
SetField(m_URL, URL);
}
void
CItemData::SetAutoType(const CMyString &autotype)
{
SetField(m_AutoType, autotype);
}
void
CItemData::SetTime(int whichtime)
{
time_t t;
time(&t);
SetTime(whichtime, t);
}
void
CItemData::SetTime(int whichtime, time_t t)
{
switch (whichtime) {
case ATIME:
SetField(m_tttATime, (const unsigned char *)&t, sizeof(t));
break;
case CTIME:
SetField(m_tttCTime, (const unsigned char *)&t, sizeof(t));
break;
case LTIME:
SetField(m_tttLTime, (const unsigned char *)&t, sizeof(t));
break;
case PMTIME:
SetField(m_tttPMTime, (const unsigned char *)&t, sizeof(t));
break;
case RMTIME:
SetField(m_tttRMTime, (const unsigned char *)&t, sizeof(t));
break;
default:
ASSERT(0);
}
}
void
CItemData::SetTime(int whichtime, const CString &time_str)
{
if (time_str.GetLength() == 0) {
SetTime(whichtime, (time_t)0);
return;
}
time_t t;
if (!PWSUtil::VerifyImportDateTimeString(time_str, t))
return;
if (t == (time_t)-1) // error despite all our verification!
return;
SetTime(whichtime, t);
}
void
CItemData::SetPWHistory(const CMyString &PWHistory)
{
CMyString pwh = PWHistory;
if (pwh == _T("0") || pwh == _T("00000"))
pwh = _T("");
SetField(m_PWHistory, pwh);
}
void
CItemData::CreatePWHistoryList(BOOL &status, int &pwh_max, int &pwh_num, CList<PWHistEntry, PWHistEntry&>* pPWHistList,
const int time_format) const
{
PWHistEntry pwh_ent;
CMyString tmp, pwh;
int ipwlen, m, n;
BOOL s;
long t;
pwh = this->GetPWHistory();
int len = pwh.GetLength();
if (len < 5) {
status = FALSE;
pwh_max = 0;
pwh_num = 0;
return;
}
TCHAR *lpszPWHistory = pwh.GetBuffer(len + sizeof(TCHAR));
TCHAR *lpszPW;
#if _MSC_VER >= 1400
int iread = sscanf_s(lpszPWHistory, "%01d%02x%02x", &s, &m, &n);
#else
int iread = sscanf(lpszPWHistory, "%01d%02x%02x", &s, &m, &n);
#endif
ASSERT(iread == 3);
lpszPWHistory += 5;
for (int i = 0; i < n; i++) {
#if _MSC_VER >= 1400
iread = sscanf_s(lpszPWHistory, "%8x", &t);
#else
iread = sscanf(lpszPWHistory, "%8x", &t);
#endif
ASSERT(iread == 1);
pwh_ent.changetttdate = (time_t) t;
pwh_ent.changedate =
PWSUtil::ConvertToDateTimeString((time_t) t, time_format);
if (pwh_ent.changedate.IsEmpty()) {
// 1234567890123456789
pwh_ent.changedate = _T("Unknown ");
}
lpszPWHistory += 8;
#if _MSC_VER >= 1400
iread = sscanf_s(lpszPWHistory, "%4x", &ipwlen);
#else
iread = sscanf(lpszPWHistory, "%4x", &ipwlen);
#endif
ASSERT(iread == 1);
lpszPWHistory += 4;
lpszPW = tmp.GetBuffer(ipwlen + sizeof(TCHAR));
#if _MSC_VER >= 1400
memcpy_s(lpszPW, ipwlen + sizeof(TCHAR), lpszPWHistory, ipwlen);
#else
memcpy(lpszPW, lpszPWHistory, ipwlen);
#endif
lpszPW[ipwlen] = '\0';
tmp.ReleaseBuffer();
ASSERT(tmp.GetLength() == ipwlen);
pwh_ent.password = tmp;
lpszPWHistory += ipwlen;
pPWHistList->AddTail(pwh_ent);
}
status = s;
pwh_max = m;
pwh_num = n;
pwh.ReleaseBuffer();
}
BlowFish *
CItemData::MakeBlowFish() const
{
ASSERT(IsSessionKeySet);
return BlowFish::MakeBlowFish(SessionKey, sizeof(SessionKey),
m_salt, SaltLength);
}
CItemData&
CItemData::operator=(const CItemData &that)
{
//Check for self-assignment
if (this != &that)
{
m_UUID = that.m_UUID;
m_Name = that.m_Name;
m_Title = that.m_Title;
m_User = that.m_User;
m_Password = that.m_Password;
m_Notes = that.m_Notes;
m_Group = that.m_Group;
m_URL = that.m_URL;
m_AutoType = that.m_AutoType;
m_tttCTime = that.m_tttCTime;
m_tttPMTime = that.m_tttPMTime;
m_tttATime = that.m_tttATime;
m_tttLTime = that.m_tttLTime;
m_tttRMTime = that.m_tttRMTime;
m_PWHistory = that.m_PWHistory;
m_display_info = that.m_display_info;
memcpy((char*)m_salt, (char*)that.m_salt, SaltLength);
}
return *this;
}
void
CItemData::Clear()
{
CMyString blank(_T(""));
SetTitle(blank);
SetUser(blank);
SetPassword(blank);
SetNotes(blank);
SetGroup(blank);
SetURL(blank);
SetAutoType(blank);
SetCTime((time_t) 0);
SetPMTime((time_t) 0);
SetATime((time_t) 0);
SetLTime((time_t) 0);
SetRMTime((time_t) 0);
SetPWHistory(_T(""));
}
//TODO: "General System Fault. Please sacrifice a goat
//and two chickens to continue."
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------