int main(int argc, char* argv[]) {
llvm::InitializeNativeTarget();
std::cout << "Started." << std::endl;
if (argc > 1) {
std::string str = "";
std::ifstream f(argv[1]);
if (f.is_open()) {
std::string line;
while (std::getline(f, line)) {
str += line + "\n";
}
}
std::cout << "Reading from file, contents:\n" << str << std::endl;
run_code(str.c_str());
} else {
std::string line;
while (true) {
std::cout << "> ";
if (!std::getline(std::cin, line)) {
break;
}
run_code(line.c_str());
}
}
std::cout << "Done." << std::endl;
return 0;
}
/* main() - entry point for all programs.
*/
int main(int argc, char *argv[])
{
#if defined(_WIN32) || (_WIN64)
return run_code(&argc, &argv);
#endif
return 0;
}
PyObject *run_script_forcode(PyObject *dict, const char *script,
const char *locale) {
// try compiling the code
PyObject *retval = Py_CompileString(script, "<string>", Py_file_input);
// try running the code
if(retval != NULL)
run_code(retval, dict, locale);
// did we end up with an error?
if(retval == NULL || !last_script_ok())
log_pyerr("Script terminated with an error:\r\n%s", script);
// return our code object
return retval;
}
int main(int argc, char **argv)
{
char *outfile=NULL;
int read=0, write=0, output=0, list=0, c, index;
const struct option long_options[] = {
{"list", no_argument, NULL, 'l'},
{"read", no_argument, NULL, 'r'},
{"write", no_argument, NULL, 'w'},
{"output", required_argument, NULL, 'o'},
{"help", no_argument, NULL, 'h'},
{"version", no_argument, NULL, 'v'},
{NULL, 0, NULL, 0}
};
while ((c = getopt_long(argc, argv, "lrwho:", long_options, &index)) != -1) {
switch (c) {
case 'l':
list = 1;
break;
case 'r':
read = 1;
break;
case 'w':
write = 1;
break;
case 'h':
usage(stdout);
return 0;
case 'o':
output = 1;
outfile = optarg;
break;
case 'v':
version();
return 0;
default:
usage(stderr);
return -1;
}
}
if (write+read+list > 1) {
fputs("Conflicting actions given simultaneously.\n", stderr);
usage(stderr);
return -1;
} else if (!write+read+list) {
write = 1;
}
if (output && !write) {
fputs("It only makes sense to use --output with --write.\n", stderr);
usage(stderr);
return 1;
}
if (list) {
list_sections();
} else if (read) {
FILE *f=NULL;
for (index = optind; index < argc; index++) {
f = open_file(argv[index], "r");
run_code(argv[index], f);
if (fclose(f))
file_error(argv[index], "closing");
}
/* If we haven't opened anything, use stdin */
if (!f)
run_code("stdin", stdin);
} else {
FILE *f;
if (outfile)
f = open_file(outfile, "w");
else
f = stdout;
if (optind < argc) {
fputs("--write takes no arguments\n", stderr);
usage(stderr);
return -1;
}
create_code();
output_code(f);
}
return 0;
}
//let gcc help us generate shellcode, less asm, hard code dlsym
void shellcode(dlopen_t dlopen_f,void *pos){
char *str_array = NULL;
//construct string table in function
asm __volatile__ ("mov %[result],pc":[result]"=r" (str_array));
asm __volatile__ ("b .L_strlen_start");
asm __volatile__ (".align 1");
asm __volatile__ (".asciz \"printf\"");
asm __volatile__ (".asciz \"__android_log_print\"");
asm __volatile__ (".asciz \"mmap\"");
asm __volatile__ (".asciz \"ashmem_pin_region\"");
asm __volatile__ (".asciz \"ashmem_unpin_region\"");
asm __volatile__ (".asciz \"ashmem_get_size_region\"");
asm __volatile__ (".asciz \"mprotect\"");
asm __volatile__ (".asciz \"malloc\"");
asm __volatile__ (".asciz \"memcpy\"");
asm __volatile__ (".asciz \"fd is %d, %x,%s\\n\"");
asm __volatile__ (".asciz \"\xff\"");
asm __volatile__ (".align 1");
asm __volatile__ (".L_strlen_start:");
//printf("start exec shellcode\n");
char *fun_array[50];
char *p = str_array;
for(int i=0;i<50;i++){
if(*p==0xff)
break;
fun_array[i]=p;
while(*p++!=0);
}
if((int)dlopen_f%2==0)
dlopen_f = (dlopen_t)((int)(dlopen_f)+1);
dlsym_t dlsym_f = (dlsym_t)((int)dlopen_f+8);
void *handle = dlopen_f(NULL,RTLD_NOW);
int f = 0;
printf_t printf_f = (printf_t)dlsym_f(handle,fun_array[f++]);
#define getaddr(func_name) func_name##_t func_name##_f = (func_name##_t)dlsym_f(handle,fun_array[f++])
getaddr(__android_log_print);
getaddr(mmap);
getaddr(ashmem_pin_region);
getaddr(ashmem_unpin_region);
getaddr(ashmem_get_size_region);
getaddr(mprotect);
getaddr(malloc);
getaddr(memcpy);
int s=9;
int fd_memory = *(int*)(int(pos)+12);
int pipe_from_client = *(int*)(int(pos)+16);
int pipe_to_client = *(int*)(int(pos)+20);
ashmem_pin_region_f(fd_memory, 0, 0);
int ashem_size=ashmem_get_size_region_f(fd_memory);
uint8_t *shm = (uint8_t*)mmap_f(NULL, ashem_size, PROT_READ, MAP_SHARED, fd_memory, 0);
//ashmem_unpin_region_f(fd_memory, 0, 0);
//can't mprotect ashmem as read and write, copy it to heap
char *code = (char*)malloc_f(ashem_size);
memcpy_f(code, shm, ashem_size);
mprotect_f((void*)((uint32_t)code&0xfffff000), ashem_size, PROT_READ|PROT_WRITE|PROT_EXEC);
//printf("start exec load so from memory\n");
printf_f(fun_array[s],fd_memory,(char*)code,fun_array[s-2]);
__android_log_print_f(3,fun_array[0],fun_array[s],fd_memory,code,fun_array[s-2]);
so_start_t so_start = (so_start_t)run_code((char*)code,dlopen_f);
//mprotect_f((void*)((uint32_t)code&0xfffff000), ashem_size, PROT_READ|PROT_EXEC);
so_start(pipe_from_client,pipe_to_client);
}
int main() {
run_code("public09.a");
return 0;
}
// Runs program with input from test files in testFiles vector.
void TestSuite::runTests()
{
int numCorrect = 0, numWrong = 0;
int i;
string name;
string logName;
string stored_dir;
double rate;
bool crit = false;
string crit_string = "crit.tst";
bool crit_passed = true;
char buff[40];
int chpid = 45;
//Get directory of current program
i = testProgram.rfind('.');
testProgram = testProgram.substr(0, i);
// Create log file.
logName = testProgram + "-";
logName += exeTime;
logName += ".log";
ofstream fout(logName.c_str());
if (!fout)
{
return;
}
// Iterate over test files.
vector<string>::iterator it;
for ( it = testFiles.begin(); it != testFiles.end() ; it++ )
{
//Determine if this is a critical test
if(it->find(crit_string) != string::npos)
{
crit = true;
}
// Get test file name without path.
size_t pos = it->rfind("/");
if(pos != std::string::npos)
{
name = it->substr(pos+1,it->length());
}
// Output test file name to log file.
fout << name;
// Run program with given test file.
run_code(*it,name);
//else, do a failed program log file i supposd
// Determine corresponding answer file.
string ans = *it;
ans.replace(ans.end()-4, ans.end(),answerExtension);
// Output results.
if (correct_answer(ans))
{
numCorrect++;
fout << ": PASS" << endl;
}
else
{
//If this was a crit test, they auto fail
if(crit)
{
crit_passed = false;
}
numWrong++;
fout << ": FAIL" << endl;
}
}
//If all possible crit tests were passed
if(crit_passed)
{
// Output pass and fail stats.
rate = ( numCorrect / (double)(numCorrect + numWrong) ) * 100;
fout << rate << "% CORRECT," << numCorrect << " PASSED," << numWrong << " FAILED";
sprintf(buff, " %f%% Correct\n", rate);
i = testProgram.rfind('/');
studentResults.push_back(testProgram.substr(i+1) + string(buff));
}
else
{
//If one or more were not passed
fout << "Failed: Did not pass one or more acceptance tests (Labeled as crit)" << endl;
i = testProgram.rfind('/');
studentResults.push_back(testProgram.substr(i) + " FAILED\n");
}
fout << "\n" << get_gcov(testProgram) << endl;
fout.close();
if(profiling)
get_gprof(testProgram);
}
