Merge branch 'unsafe_context'

This commit is contained in:
Christoph Oelckers 2018-01-20 11:21:52 +01:00
commit 2fddea7bed
10 changed files with 88 additions and 62 deletions

View file

@ -558,7 +558,7 @@ void C_UnbindAll ()
AutomapBindings.UnbindAll();
}
CCMD (unbindall)
UNSAFE_CCMD (unbindall)
{
C_UnbindAll ();
}

View file

@ -467,7 +467,7 @@ CCMD (print)
}
}
CCMD (exec)
UNSAFE_CCMD (exec)
{
if (argv.argc() < 2)
return;
@ -495,7 +495,7 @@ void execLogfile(const char *fn, bool append)
}
}
CCMD (logfile)
UNSAFE_CCMD (logfile)
{
if (Logfile)
@ -651,7 +651,7 @@ CCMD (error)
}
}
CCMD (error_fatal)
UNSAFE_CCMD (error_fatal)
{
if (argv.argc() > 1)
{
@ -674,7 +674,7 @@ CCMD (error_fatal)
//==========================================================================
#if !defined(_WIN32) || !defined(_DEBUG)
CCMD (crashout)
UNSAFE_CCMD (crashout)
{
*(volatile int *)0 = 0;
}
@ -794,7 +794,7 @@ CCMD (warp)
//
//==========================================================================
CCMD (load)
UNSAFE_CCMD (load)
{
if (argv.argc() != 2)
{
@ -819,7 +819,7 @@ CCMD (load)
//
//==========================================================================
CCMD (save)
UNSAFE_CCMD (save)
{
if (argv.argc() < 2 || argv.argc() > 3)
{

View file

@ -627,7 +627,7 @@ void C_InitConsole (int width, int height, bool ingame)
//
//==========================================================================
CCMD (atexit)
UNSAFE_CCMD (atexit)
{
if (argv.argc() == 1)
{

View file

@ -65,7 +65,7 @@ class DWaitingCommand : public DThinker
{
DECLARE_CLASS (DWaitingCommand, DThinker)
public:
DWaitingCommand (const char *cmd, int tics);
DWaitingCommand (const char *cmd, int tics, bool unsafe);
~DWaitingCommand ();
void Serialize(FSerializer &arc);
void Tick ();
@ -75,6 +75,7 @@ private:
char *Command;
int TicsLeft;
bool IsUnsafe;
};
class DStoredCommand : public DThinker
@ -126,7 +127,8 @@ FButtonStatus Button_Mlook, Button_Klook, Button_Use, Button_AltAttack,
Button_AM_PanLeft, Button_AM_PanRight, Button_AM_PanDown, Button_AM_PanUp,
Button_AM_ZoomIn, Button_AM_ZoomOut;
bool ParsingKeyConf, ParsingMenuDef = false;
bool ParsingKeyConf;
static bool UnsafeExecutionContext;
// To add new actions, go to the console and type "key <action name>".
// This will give you the key value to use in the first column. Then
@ -187,24 +189,6 @@ static const char *KeyConfCommands[] =
"clearplayerclasses"
};
static const char *MenuDefCommands[] =
{
"snd_reset",
"reset2defaults",
"reset2saved",
"menuconsole",
"clearnodecache",
"am_restorecolors",
"undocolorpic",
"special",
"puke",
"fpuke",
"pukename",
"event",
"netevent",
"openmenu"
};
// CODE --------------------------------------------------------------------
IMPLEMENT_CLASS(DWaitingCommand, false, false)
@ -213,19 +197,22 @@ void DWaitingCommand::Serialize(FSerializer &arc)
{
Super::Serialize (arc);
arc("command", Command)
("ticsleft", TicsLeft);
("ticsleft", TicsLeft)
("unsafe", IsUnsafe);
}
DWaitingCommand::DWaitingCommand ()
{
Command = NULL;
TicsLeft = 1;
IsUnsafe = false;
}
DWaitingCommand::DWaitingCommand (const char *cmd, int tics)
DWaitingCommand::DWaitingCommand (const char *cmd, int tics, bool unsafe)
{
Command = copystring (cmd);
TicsLeft = tics+1;
IsUnsafe = unsafe;
}
DWaitingCommand::~DWaitingCommand ()
@ -240,7 +227,10 @@ void DWaitingCommand::Tick ()
{
if (--TicsLeft == 0)
{
const bool wasUnsafe = UnsafeExecutionContext;
UnsafeExecutionContext = IsUnsafe;
AddCommandString (Command);
UnsafeExecutionContext = wasUnsafe;
Destroy ();
}
}
@ -602,25 +592,6 @@ void C_DoCommand (const char *cmd, int keynum)
}
}
if (ParsingMenuDef)
{
int i;
for (i = countof(MenuDefCommands)-1; i >= 0; --i)
{
if (strnicmp (beg, MenuDefCommands[i], len) == 0 &&
MenuDefCommands[i][len] == 0)
{
break;
}
}
if (i < 0)
{
Printf ("Invalid command for MENUDEF/ZScript: %s\n", beg);
return;
}
}
// Check if this is an action
if (*beg == '+' || *beg == '-')
{
@ -687,6 +658,12 @@ void C_DoCommand (const char *cmd, int keynum)
if (args.argc() >= 2)
{ // Set the variable
if (UnsafeExecutionContext && !(var->GetFlags() & CVAR_MOD))
{
Printf(TEXTCOLOR_RED "Cannot set console variable" TEXTCOLOR_GOLD " %s " TEXTCOLOR_RED "from unsafe command\n", var->GetName());
return;
}
var->CmdSet (args[1]);
}
else
@ -707,9 +684,9 @@ DEFINE_ACTION_FUNCTION(DOptionMenuItemCommand, DoCommand)
if (CurrentMenu == nullptr) return 0;
PARAM_PROLOGUE;
PARAM_STRING(cmd);
ParsingMenuDef = true;
UnsafeExecutionContext = true;
C_DoCommand(cmd);
ParsingMenuDef = false;
UnsafeExecutionContext = false;
return 0;
}
@ -769,7 +746,7 @@ void AddCommandString (char *cmd, int keynum)
// Note that deferred commands lose track of which key
// (if any) they were pressed from.
*brkpt = ';';
Create<DWaitingCommand> (brkpt, tics);
Create<DWaitingCommand> (brkpt, tics, UnsafeExecutionContext);
}
return;
}
@ -1061,6 +1038,17 @@ void FConsoleCommand::Run (FCommandLine &argv, APlayerPawn *who, int key)
m_RunFunc (argv, who, key);
}
void FUnsafeConsoleCommand::Run (FCommandLine &args, APlayerPawn *instigator, int key)
{
if (UnsafeExecutionContext)
{
Printf(TEXTCOLOR_RED "Cannot execute unsafe command " TEXTCOLOR_GOLD "%s\n", m_Name);
return;
}
FConsoleCommand::Run (args, instigator, key);
}
FConsoleAlias::FConsoleAlias (const char *name, const char *command, bool noSave)
: FConsoleCommand (name, NULL),
bRunning(false), bKill(false)
@ -1381,9 +1369,13 @@ CCMD (alias)
alias = NULL;
}
}
else if (ParsingKeyConf)
{
new FUnsafeConsoleAlias (argv[1], argv[2]);
}
else
{
new FConsoleAlias (argv[1], argv[2], ParsingKeyConf);
new FConsoleAlias (argv[1], argv[2], false);
}
}
}
@ -1521,6 +1513,13 @@ void FConsoleAlias::SafeDelete ()
}
}
void FUnsafeConsoleAlias::Run (FCommandLine &args, APlayerPawn *instigator, int key)
{
UnsafeExecutionContext = true;
FConsoleAlias::Run(args, instigator, key);
UnsafeExecutionContext = false;
}
void FExecList::AddCommand(const char *cmd, const char *file)
{
// Pullins are special and need to be separated from general commands.

View file

@ -127,6 +127,22 @@ protected:
FConsoleCommand Cmd_##n##_Ref (#n, Cmd_##n); \
void Cmd_##n (FCommandLine &argv, APlayerPawn *who, int key)
class FUnsafeConsoleCommand : public FConsoleCommand
{
public:
FUnsafeConsoleCommand (const char *name, CCmdRun RunFunc)
: FConsoleCommand (name, RunFunc)
{
}
virtual void Run (FCommandLine &args, APlayerPawn *instigator, int key) override;
};
#define UNSAFE_CCMD(n) \
static void Cmd_##n (FCommandLine &, APlayerPawn *, int key); \
static FUnsafeConsoleCommand Cmd_##n##_Ref (#n, Cmd_##n); \
void Cmd_##n (FCommandLine &argv, APlayerPawn *who, int key)
const int KEY_DBLCLICKED = 0x8000;
class FConsoleAlias : public FConsoleCommand
@ -147,6 +163,17 @@ protected:
bool bKill;
};
class FUnsafeConsoleAlias : public FConsoleAlias
{
public:
FUnsafeConsoleAlias (const char *name, const char *command)
: FConsoleAlias (name, command, true)
{
}
virtual void Run (FCommandLine &args, APlayerPawn *instigator, int key) override;
};
// Actions
struct FButtonStatus
{

View file

@ -2821,7 +2821,7 @@ void D_DoomMain (void)
//
//==========================================================================
CCMD(restart)
UNSAFE_CCMD(restart)
{
// remove command line args that would get in the way during restart
Args->RemoveArgs("-iwad");
@ -2917,4 +2917,4 @@ CUSTOM_CVAR(Bool, I_FriendlyWindowTitle, true, CVAR_GLOBALCONFIG|CVAR_ARCHIVE|CV
I_SetWindowTitle(DoomStartupInfo.Name.GetChars());
else
I_SetWindowTitle(NULL);
}
}

View file

@ -2618,7 +2618,7 @@ CCMD (playdemo)
}
}
CCMD (timedemo)
UNSAFE_CCMD (timedemo)
{
if (argv.argc() > 1)
{

View file

@ -224,7 +224,7 @@ CCMD (map)
//
//==========================================================================
CCMD(recordmap)
UNSAFE_CCMD(recordmap)
{
if (netgame)
{
@ -277,7 +277,7 @@ CCMD(recordmap)
//
//==========================================================================
CCMD (open)
UNSAFE_CCMD (open)
{
if (netgame)
{

View file

@ -315,7 +315,7 @@ void M_SaveDefaultsFinal ()
GameConfig = NULL;
}
CCMD (writeini)
UNSAFE_CCMD (writeini)
{
const char *filename = (argv.argc() == 1) ? NULL : argv[1];
if (!M_SaveDefaults (filename))

View file

@ -708,7 +708,7 @@ ADD_STAT(music)
//
//==========================================================================
CCMD (writeopl)
UNSAFE_CCMD (writeopl)
{
if (argv.argc() == 2)
{
@ -746,7 +746,7 @@ CCMD (writeopl)
//
//==========================================================================
CCMD (writewave)
UNSAFE_CCMD (writewave)
{
if (argv.argc() >= 2 && argv.argc() <= 3)
{
@ -784,7 +784,7 @@ CCMD (writewave)
//
//==========================================================================
CCMD (writemidi)
UNSAFE_CCMD (writemidi)
{
if (argv.argc() != 2)
{