/usr/bin/realcxxsh.cc is in binfmtc 0.17-2.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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 | /*BINFMTCXX: -lreadline -I/usr/include/readline
exit 1
* binfmt_misc C++ Interpreter
* Copyright (C) 2005-2007 Junichi Uekawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* test program: Real C++ shell implemented in binfmtc.
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/stat.h>
#include <readline.h>
#include <history.h>
#include <iostream>
#include <sstream>
using namespace std;
int main(int argc, char** argv)
{
char * str = NULL;
stringstream defs;
stringstream header;
defs << "#include <iostream>\n"
<< "using namespace std;\n" ;
for (int i=1; i < argc; ++i)
{
header << argv[i] << " ";
}
while (NULL!=(str = readline("REAL c++sh: ")))
{
if (*str=='\0') /* ignore blanks. */
{
free(str);
continue;
}
add_history(str);
if (*str=='#')
{
/* ## debug symbol to dump header file list. */
if (*(str+1)=='#')
{
cout << "defs:" << endl
<< defs.str() << endl
<< "header:" << endl
<< header.str() << endl;
}
else
defs << str << endl;
free(str);
continue;
}
stringstream temporarysource;
temporarysource <<
"/*BINFMTCXX: " <<
header.str() <<
"\n" <<
"*/\n" <<
defs.str() <<
"\n" <<
"int main(int argc, char ** argv)\n"
"{\n" <<
str << ";\n"
"return 0; \n"
"}\n";
char * tempfilename = NULL;
asprintf(&tempfilename, "%s/realcshXXXXXX",
getenv("BINFMTCTMPDIR")?:
getenv("TMPDIR")?:
getenv("TEMPDIR")?:
"/tmp"
);
int fd;
fd=mkstemp(tempfilename);
fchmod(fd, 0700);
write(fd, temporarysource.str().c_str(),
temporarysource.str().size());
close(fd);
system (tempfilename);
unlink (tempfilename);
free (str);
}
cout << ("\n");
return 0;
}
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