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win32: apply patch: validation an add/edit cheat [2921008]

This commit is contained in:
zeromus 2009-12-27 19:12:10 +00:00
parent dcbff3f40b
commit 2f2dccee70
2 changed files with 45 additions and 42 deletions
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86
desmume/src/windows/cheatsWin.cpp
View File

@ -291,13 +291,7 @@ INT_PTR CALLBACK CheatsAddProc(HWND dialog, UINT msg,WPARAM wparam,LPARAM lparam
}
}
if ( (strlen(editBuf[0]) < 6) || (!strlen(editBuf[1])) || val > 0x400000)
{
EnableWindow(GetDlgItem(dialog, IDOK), FALSE);
return TRUE;
}
EnableWindow(GetDlgItem(dialog, IDOK), TRUE);
CheatAddVerify(dialog,editBuf[0],editBuf[1],searchAddSize);
}
return TRUE;
}
@ -328,14 +322,8 @@ INT_PTR CALLBACK CheatsAddProc(HWND dialog, UINT msg,WPARAM wparam,LPARAM lparam
}
}
if ( (strlen(editBuf[0]) < 6) || (!strlen(editBuf[1]))
|| (val > searchRange[searchAddSize][1] && !(editBuf[1][0] == '-' && u32(-s32(val))-1 <= searchRange[searchAddSize][1])) )
{
EnableWindow(GetDlgItem(dialog, IDOK), FALSE);
return TRUE;
}
CheatAddVerify(dialog,editBuf[0],editBuf[1],searchAddSize);
EnableWindow(GetDlgItem(dialog, IDOK), TRUE);
}
return TRUE;
}
@ -349,15 +337,19 @@ INT_PTR CALLBACK CheatsAddProc(HWND dialog, UINT msg,WPARAM wparam,LPARAM lparam
case IDC_RADIO1: // 1 byte
searchAddSize = 0;
CheatAddVerify(dialog,editBuf[0],editBuf[1],searchAddSize);
return TRUE;
case IDC_RADIO2: // 2 bytes
searchAddSize = 1;
CheatAddVerify(dialog,editBuf[0],editBuf[1],searchAddSize);
return TRUE;
case IDC_RADIO3: // 3 bytes
searchAddSize = 2;
CheatAddVerify(dialog,editBuf[0],editBuf[1],searchAddSize);
return TRUE;
case IDC_RADIO4: // 4 bytes
searchAddSize = 3;
CheatAddVerify(dialog,editBuf[0],editBuf[1],searchAddSize);
return TRUE;
case IDC_CHECK1:
@ -402,6 +394,9 @@ INT_PTR CALLBACK CheatsEditProc(HWND dialog, UINT msg,WPARAM wparam,LPARAM lpara
SetWindowText(GetDlgItem(dialog, IDC_EDIT3), buf);
EnableWindow(GetDlgItem(dialog, IDOK), TRUE);
GetWindowText(GetDlgItem(dialog, IDC_EDIT1), editBuf[0], 10);
GetWindowText(GetDlgItem(dialog, IDC_EDIT2), editBuf[1], 12);
CheckDlgButton(dialog, IDC_CHECK1, tempCheat.enabled?BST_CHECKED:BST_UNCHECKED);
CheckDlgButton(dialog, searchSizeIDDs[tempCheat.size], BST_CHECKED);
SetWindowText(GetDlgItem(dialog, IDOK), "Update");
@ -431,23 +426,12 @@ INT_PTR CALLBACK CheatsEditProc(HWND dialog, UINT msg,WPARAM wparam,LPARAM lpara
{
if (HIWORD(wparam) == EN_UPDATE)
{
GetWindowText(GetDlgItem(dialog, IDC_EDIT1), buf, 10);
GetWindowText(GetDlgItem(dialog, IDC_EDIT2), buf2, 12);
if ( (strlen(buf) < 6) || (!strlen(buf2)) )
{
EnableWindow(GetDlgItem(dialog, IDOK), FALSE);
return TRUE;
}
GetWindowText(GetDlgItem(dialog, IDC_EDIT1), editBuf[0], 10);
u32 val = 0;
sscanf_s(buf, "%x", &val);
sscanf_s(editBuf[0], "%x", &val);
val &= 0x00FFFFFF;
if (val > 0x400000)
{
EnableWindow(GetDlgItem(dialog, IDOK), FALSE);
return TRUE;
}
EnableWindow(GetDlgItem(dialog, IDOK), TRUE);
CheatAddVerify(dialog,editBuf[0],editBuf[1],tempCheat.size);
tempCheat.code[0][0] = val;
}
return TRUE;
@ -457,12 +441,12 @@ INT_PTR CALLBACK CheatsEditProc(HWND dialog, UINT msg,WPARAM wparam,LPARAM lpara
{
if (HIWORD(wparam) == EN_UPDATE)
{
GetWindowText(GetDlgItem(dialog, IDC_EDIT2), buf, 12);
GetWindowText(GetDlgItem(dialog, IDC_EDIT1), buf2, 10);
GetWindowText(GetDlgItem(dialog, IDC_EDIT2), editBuf[1], 12);
int parseOffset = 0;
if(buf[0] && buf[1] == '-')
if(editBuf[1][0] && editBuf[1][1] == '-')
parseOffset = 1; // typed something in front of -
u32 val = strtoul(buf+parseOffset,NULL,10);
u32 val = strtoul(editBuf[1]+parseOffset,NULL,10);
if(cheatAddPasteCheck || parseOffset)
{
@ -470,23 +454,17 @@ INT_PTR CALLBACK CheatsEditProc(HWND dialog, UINT msg,WPARAM wparam,LPARAM lpara
val &= searchRange[tempCheat.size][1];
char temp [12];
sprintf(temp, "%u", val);
if(strcmp(buf, temp))
if(strcmp(editBuf[1], temp))
{
strcpy(buf, temp);
strcpy(editBuf[1], temp);
int sel1=-1, sel2=0;
SendMessage(GetDlgItem(dialog, IDC_EDIT2), EM_GETSEL, (WPARAM)&sel1, (LPARAM)&sel2);
SetWindowText(GetDlgItem(dialog, IDC_EDIT2), buf);
SetWindowText(GetDlgItem(dialog, IDC_EDIT2), editBuf[1]);
SendMessage(GetDlgItem(dialog, IDC_EDIT2), EM_SETSEL, sel1, sel2);
}
}
if ( (strlen(buf2) < 6) || (!strlen(buf))
|| (val > searchRange[tempCheat.size][1] && !(buf[0] == '-' && u32(-s32(val))-1 <= searchRange[tempCheat.size][1])) )
{
EnableWindow(GetDlgItem(dialog, IDOK), FALSE);
return TRUE;
}
EnableWindow(GetDlgItem(dialog, IDOK), TRUE);
CheatAddVerify(dialog,editBuf[0],editBuf[1],tempCheat.size);
tempCheat.code[0][1] = val;
}
return TRUE;
@ -501,15 +479,19 @@ INT_PTR CALLBACK CheatsEditProc(HWND dialog, UINT msg,WPARAM wparam,LPARAM lpara
case IDC_RADIO1: // 1 byte
tempCheat.size = 0;
CheatAddVerify(dialog,editBuf[0],editBuf[1],tempCheat.size);
return TRUE;
case IDC_RADIO2: // 2 bytes
tempCheat.size = 1;
CheatAddVerify(dialog,editBuf[0],editBuf[1],tempCheat.size);
return TRUE;
case IDC_RADIO3: // 3 bytes
tempCheat.size = 2;
CheatAddVerify(dialog,editBuf[0],editBuf[1],tempCheat.size);
return TRUE;
case IDC_RADIO4: // 4 bytes
tempCheat.size = 3;
CheatAddVerify(dialog,editBuf[0],editBuf[1],tempCheat.size);
return TRUE;
case IDC_CHECK1: // freeze
@ -1372,3 +1354,23 @@ void CheatsSearchReset()
exactVal = 0;
searchNumberResults = 0;
}
void CheatAddVerify(HWND dialog,char* addre, char* valu,u8 size)
{
u32 fix = 0;
sscanf_s(addre, "%x", &fix);
fix &= 0x00FFFFFF;
int parseOffset = 0;
if(valu[0] && valu[1] == '-')
parseOffset = 1; // typed something in front of -
u32 fix2 = strtoul(valu+parseOffset,NULL,10);
if ( (strlen(addre) < 6) || (!strlen(valu)) || fix > 0x400000
|| (fix2 > searchRange[size][1] && !(valu[0] == '-' && u32(-s32(fix2))-1 <= searchRange[size][1]/2)) )
{
EnableWindow(GetDlgItem(dialog, IDOK), FALSE);
}
else
EnableWindow(GetDlgItem(dialog, IDOK), TRUE);
}

1
desmume/src/windows/cheatsWin.h
View File

@ -22,4 +22,5 @@
extern void CheatsListDialog(HWND hwnd);
extern void CheatsSearchDialog(HWND hwnd);
extern void CheatsSearchReset();
extern void CheatAddVerify(HWND dialog,char* addre, char* valu,u8 size);
extern void CheatsAddDialog(HWND parentHwnd, u32 address, u32 value, u8 size, const char* description=0);