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#include "rar.hpp"
#include "log.cpp"
static MESSAGE_TYPE MsgStream=MSG_STDOUT;
static RAR_CHARSET RedirectCharset=RCH_DEFAULT;
const int MaxMsgSize=2*NM+2048;
static bool StdoutRedirected=false,StderrRedirected=false,StdinRedirected=false;
#ifdef _WIN_ALL
static bool IsRedirected(DWORD nStdHandle)
{
HANDLE hStd=GetStdHandle(nStdHandle);
DWORD Mode;
return GetFileType(hStd)!=FILE_TYPE_CHAR || GetConsoleMode(hStd,&Mode)==0;
}
#endif
void InitConsole()
{
#ifdef _WIN_ALL
// We want messages like file names or progress percent to be printed
// immediately. Use only in Windows, in Unix they can cause wprintf %ls
// to fail with non-English strings.
setbuf(stdout,NULL);
setbuf(stderr,NULL);
// Detect if output is redirected and set output mode properly.
// We do not want to send Unicode output to files and especially to pipes
// like '|more', which cannot handle them correctly in Windows.
// In Unix console output is UTF-8 and it is handled correctly
// when redirecting, so no need to perform any adjustments.
StdoutRedirected=IsRedirected(STD_OUTPUT_HANDLE);
StderrRedirected=IsRedirected(STD_ERROR_HANDLE);
StdinRedirected=IsRedirected(STD_INPUT_HANDLE);
#ifdef _MSC_VER
if (!StdoutRedirected)
_setmode(_fileno(stdout), _O_U16TEXT);
if (!StderrRedirected)
_setmode(_fileno(stderr), _O_U16TEXT);
#endif
#elif defined(_UNIX)
StdoutRedirected=!isatty(fileno(stdout));
StderrRedirected=!isatty(fileno(stderr));
StdinRedirected=!isatty(fileno(stdin));
#endif
}
void InitConsoleOptions(MESSAGE_TYPE MsgStream,RAR_CHARSET RedirectCharset)
{
::MsgStream=MsgStream;
::RedirectCharset=RedirectCharset;
}
#ifndef SILENT
static void cvt_wprintf(FILE *dest,const wchar *fmt,va_list arglist)
{
// This buffer is for format string only, not for entire output,
// so it can be short enough.
wchar fmtw[1024];
PrintfPrepareFmt(fmt,fmtw,ASIZE(fmtw));
#ifdef _WIN_ALL
safebuf wchar Msg[MaxMsgSize];
if (dest==stdout && StdoutRedirected || dest==stderr && StderrRedirected)
{
HANDLE hOut=GetStdHandle(dest==stdout ? STD_OUTPUT_HANDLE:STD_ERROR_HANDLE);
vswprintf(Msg,ASIZE(Msg),fmtw,arglist);
DWORD Written;
if (RedirectCharset==RCH_UNICODE)
WriteFile(hOut,Msg,(DWORD)wcslen(Msg)*sizeof(*Msg),&Written,NULL);
else
{
// Avoid Unicode for redirect in Windows, it does not work with pipes.
safebuf char MsgA[MaxMsgSize];
if (RedirectCharset==RCH_UTF8)
WideToUtf(Msg,MsgA,ASIZE(MsgA));
else
WideToChar(Msg,MsgA,ASIZE(MsgA));
if (RedirectCharset==RCH_DEFAULT || RedirectCharset==RCH_OEM)
CharToOemA(MsgA,MsgA); // Console tools like 'more' expect OEM encoding.
// We already converted \n to \r\n above, so we use WriteFile instead
// of C library to avoid unnecessary additional conversion.
WriteFile(hOut,MsgA,(DWORD)strlen(MsgA),&Written,NULL);
}
return;
}
// MSVC2008 vfwprintf writes every character to console separately
// and it is too slow. We use direct WriteConsole call instead.
vswprintf(Msg,ASIZE(Msg),fmtw,arglist);
HANDLE hOut=GetStdHandle(dest==stderr ? STD_ERROR_HANDLE:STD_OUTPUT_HANDLE);
DWORD Written;
WriteConsole(hOut,Msg,(DWORD)wcslen(Msg),&Written,NULL);
#else
vfwprintf(dest,fmtw,arglist);
// We do not use setbuf(NULL) in Unix (see comments in InitConsole).
fflush(dest);
#endif
}
void mprintf(const wchar *fmt,...)
{
if (MsgStream==MSG_NULL || MsgStream==MSG_ERRONLY)
return;
fflush(stderr); // Ensure proper message order.
va_list arglist;
va_start(arglist,fmt);
FILE *dest=MsgStream==MSG_STDERR ? stderr:stdout;
cvt_wprintf(dest,fmt,arglist);
va_end(arglist);
}
#endif
#ifndef SILENT
void eprintf(const wchar *fmt,...)
{
if (MsgStream==MSG_NULL)
return;
fflush(stdout); // Ensure proper message order.
va_list arglist;
va_start(arglist,fmt);
cvt_wprintf(stderr,fmt,arglist);
va_end(arglist);
}
#endif
#ifndef SILENT
static void GetPasswordText(wchar *Str,uint MaxLength)
{
if (MaxLength==0)
return;
if (StdinRedirected)
getwstr(Str,MaxLength); // Read from pipe or redirected file.
else
{
#ifdef _WIN_ALL
HANDLE hConIn=GetStdHandle(STD_INPUT_HANDLE);
HANDLE hConOut=GetStdHandle(STD_OUTPUT_HANDLE);
DWORD ConInMode,ConOutMode;
DWORD Read=0;
GetConsoleMode(hConIn,&ConInMode);
GetConsoleMode(hConOut,&ConOutMode);
SetConsoleMode(hConIn,ENABLE_LINE_INPUT);
SetConsoleMode(hConOut,ENABLE_PROCESSED_OUTPUT|ENABLE_WRAP_AT_EOL_OUTPUT);
ReadConsole(hConIn,Str,MaxLength-1,&Read,NULL);
Str[Read]=0;
SetConsoleMode(hConIn,ConInMode);
SetConsoleMode(hConOut,ConOutMode);
#else
char StrA[MAXPASSWORD];
#if defined(_EMX) || defined (__VMS)
fgets(StrA,ASIZE(StrA)-1,stdin);
#elif defined(__sun)
strncpyz(StrA,getpassphrase(""),ASIZE(StrA));
#else
strncpyz(StrA,getpass(""),ASIZE(StrA));
#endif
CharToWide(StrA,Str,MaxLength);
cleandata(StrA,sizeof(StrA));
#endif
}
Str[MaxLength-1]=0;
RemoveLF(Str);
}
#endif
#ifndef SILENT
bool GetConsolePassword(UIPASSWORD_TYPE Type,const wchar *FileName,SecPassword *Password)
{
if (!StdinRedirected)
uiAlarm(UIALARM_QUESTION);
while (true)
{
if (!StdinRedirected)
if (Type==UIPASSWORD_GLOBAL)
eprintf(L"\n%s: ",St(MAskPsw));
else
eprintf(St(MAskPswFor),FileName);
wchar PlainPsw[MAXPASSWORD];
GetPasswordText(PlainPsw,ASIZE(PlainPsw));
if (*PlainPsw==0 && Type==UIPASSWORD_GLOBAL)
return false;
if (!StdinRedirected && Type==UIPASSWORD_GLOBAL)
{
eprintf(St(MReAskPsw));
wchar CmpStr[MAXPASSWORD];
GetPasswordText(CmpStr,ASIZE(CmpStr));
if (*CmpStr==0 || wcscmp(PlainPsw,CmpStr)!=0)
{
eprintf(St(MNotMatchPsw));
cleandata(PlainPsw,sizeof(PlainPsw));
cleandata(CmpStr,sizeof(CmpStr));
continue;
}
cleandata(CmpStr,sizeof(CmpStr));
}
Password->Set(PlainPsw);
cleandata(PlainPsw,sizeof(PlainPsw));
break;
}
return true;
}
#endif
#ifndef SILENT
bool getwstr(wchar *str,size_t n)
{
// Print buffered prompt title function before waiting for input.
fflush(stderr);
*str=0;
#if defined(_WIN_ALL)
// fgetws does not work well with non-English text in Windows,
// so we do not use it.
if (StdinRedirected) // ReadConsole does not work if redirected.
{
// fgets does not work well with pipes in Windows in our test.
// Let's use files.
Array<char> StrA(n*4); // Up to 4 UTF-8 characters per wchar_t.
File SrcFile;
SrcFile.SetHandleType(FILE_HANDLESTD);
int ReadSize=SrcFile.Read(&StrA[0],StrA.Size()-1);
if (ReadSize<=0)
{
// Looks like stdin is a null device. We can enter to infinite loop
// calling Ask(), so let's better exit.
ErrHandler.Exit(RARX_USERBREAK);
}
StrA[ReadSize]=0;
CharToWide(&StrA[0],str,n);
cleandata(&StrA[0],StrA.Size()); // We can use this function to enter passwords.
}
else
{
DWORD ReadSize=0;
if (ReadConsole(GetStdHandle(STD_INPUT_HANDLE),str,DWORD(n-1),&ReadSize,NULL)==0)
return false;
str[ReadSize]=0;
}
#else
if (fgetws(str,n,stdin)==NULL)
ErrHandler.Exit(RARX_USERBREAK); // Avoid infinite Ask() loop.
#endif
RemoveLF(str);
return true;
}
#endif
#ifndef SILENT
// We allow this function to return 0 in case of invalid input,
// because it might be convenient to press Enter to some not dangerous
// prompts like "insert disk with next volume". We should call this function
// again in case of 0 in dangerous prompt such as overwriting file.
int Ask(const wchar *AskStr)
{
uiAlarm(UIALARM_QUESTION);
const int MaxItems=10;
wchar Item[MaxItems][40];
int ItemKeyPos[MaxItems],NumItems=0;
for (const wchar *NextItem=AskStr;NextItem!=NULL;NextItem=wcschr(NextItem+1,'_'))
{
wchar *CurItem=Item[NumItems];
wcsncpyz(CurItem,NextItem+1,ASIZE(Item[0]));
wchar *EndItem=wcschr(CurItem,'_');
if (EndItem!=NULL)
*EndItem=0;
int KeyPos=0,CurKey;
while ((CurKey=CurItem[KeyPos])!=0)
{
bool Found=false;
for (int I=0;I<NumItems && !Found;I++)
if (toupperw(Item[I][ItemKeyPos[I]])==toupperw(CurKey))
Found=true;
if (!Found && CurKey!=' ')
break;
KeyPos++;
}
ItemKeyPos[NumItems]=KeyPos;
NumItems++;
}
for (int I=0;I<NumItems;I++)
{
eprintf(I==0 ? (NumItems>4 ? L"\n":L" "):L", ");
int KeyPos=ItemKeyPos[I];
for (int J=0;J<KeyPos;J++)
eprintf(L"%c",Item[I][J]);
eprintf(L"[%c]%ls",Item[I][KeyPos],&Item[I][KeyPos+1]);
}
eprintf(L" ");
wchar Str[50];
getwstr(Str,ASIZE(Str));
wchar Ch=toupperw(Str[0]);
for (int I=0;I<NumItems;I++)
if (Ch==Item[I][ItemKeyPos[I]])
return I+1;
return 0;
}
#endif
static bool IsCommentUnsafe(const wchar *Data,size_t Size)
{
for (size_t I=0;I<Size;I++)
if (Data[I]==27 && Data[I+1]=='[')
for (size_t J=I+2;J<Size;J++)
{
// Return true for <ESC>[{key};"{string}"p used to redefine
// a keyboard key on some terminals.
if (Data[J]=='\"')
return true;
if (!IsDigit(Data[J]) && Data[J]!=';')
break;
}
return false;
}
void OutComment(const wchar *Comment,size_t Size)
{
if (IsCommentUnsafe(Comment,Size))
return;
const size_t MaxOutSize=0x400;
for (size_t I=0;I<Size;I+=MaxOutSize)
{
wchar Msg[MaxOutSize+1];
size_t CopySize=Min(MaxOutSize,Size-I);
wcsncpy(Msg,Comment+I,CopySize);
Msg[CopySize]=0;
mprintf(L"%s",Msg);
}
mprintf(L"\n");
}