R_API int r_sys_run(const ut8 *buf, int len) {
const int sz = 4096;
int ret, (*cb)();
ut8 *ptr, *p = malloc ((sz+len)<<1);
ptr = (ut8*)R_MEM_ALIGN (p);
if (!ptr) {
free (p);
return R_FALSE;
}
memcpy (ptr, buf, sz);
r_mem_protect (ptr, sz, "rx");
r_mem_protect (ptr, sz, "rwx"); // try, ignore if fail
cb = (void*)ptr;
ret = cb ();
free (p);
return ret;
}
R_API int r_sys_run(const ut8 *buf, int len) {
const int sz = 4096;
int pdelta, ret, (*cb)();
#if USE_FORK
int st, pid;
#endif
// TODO: define R_SYS_ALIGN_FORWARD in r_util.h
ut8 *ptr, *p = malloc ((sz + len) << 1);
ptr = p;
pdelta = ((size_t)(p)) & (4096 - 1);
if (pdelta) {
ptr += (4096 - pdelta);
}
if (!ptr || !buf) {
eprintf ("r_sys_run: Cannot run empty buffer\n");
free (p);
return false;
}
memcpy (ptr, buf, len);
r_mem_protect (ptr, sz, "rx");
//r_mem_protect (ptr, sz, "rwx"); // try, ignore if fail
cb = (int (*)())ptr;
#if USE_FORK
#if __UNIX__ || __CYGWIN__ && !defined(MINGW32)
pid = r_sys_fork ();
#else
pid = -1;
#endif
if (pid < 0) {
return cb ();
}
if (!pid) {
ret = cb ();
exit (ret);
return ret;
}
st = 0;
waitpid (pid, &st, 0);
if (WIFSIGNALED (st)) {
int num = WTERMSIG(st);
eprintf ("Got signal %d\n", num);
ret = num;
} else {
ret = WEXITSTATUS (st);
}
#else
ret = (*cb) ();
#endif
free (p);
return ret;
}
R_API int r_sys_run(const ut8 *buf, int len) {
const int sz = 4096;
int pdelta, ret, (*cb)();
// TODO: define R_SYS_ALIGN_FORWARD in r_util.h
ut8 *ptr, *p = malloc ((sz+len)<<1);
ptr = p;
pdelta = ((size_t)(p)) & (4096-1);
if (pdelta)
ptr += (4096-pdelta);
if (!ptr) {
free (p);
return R_FALSE;
}
memcpy (ptr, buf, sz);
r_mem_protect (ptr, sz, "rx");
//r_mem_protect (ptr, sz, "rwx"); // try, ignore if fail
cb = (void*)ptr;
ret = cb ();
free (p);
return ret;
}
