1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
|
#include "rar.hpp"
#include "log.cpp"
static MESSAGE_TYPE MsgStream=MSG_STDOUT;
const int MaxMsgSize=2*NM+2048;
#ifdef _WIN_ALL
static bool StdoutRedirected=false,StderrRedirected=false,StdinRedirected=false;
#endif
#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
#endif
}
void InitConsoleOptions(MESSAGE_TYPE MsgStream)
{
::MsgStream=MsgStream;
}
#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)
{
// Avoid Unicode for redirect in Windows, it does not work with pipes.
vswprintf(Msg,ASIZE(Msg),fmtw,arglist);
safebuf char MsgA[MaxMsgSize];
WideToChar(Msg,MsgA,ASIZE(MsgA));
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.
HANDLE hOut=GetStdHandle(dest==stdout ? STD_OUTPUT_HANDLE:STD_ERROR_HANDLE);
DWORD Written;
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;
#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)
{
uiAlarm(UIALARM_QUESTION);
while (true)
{
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 (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-1]=0;
CharToWide(&StrA[0],str,n);
}
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");
}
|