Files
codeql/cpp/ql/test/library-tests/dataflow/taint-tests/vector.cpp
2024-09-04 13:55:19 +02:00

535 lines
9.9 KiB
C++

#include "stl.h"
using namespace std;
int source();
namespace ns_int
{
int source();
}
void sink(int);
template<typename T> void sink(std::vector<T> &);
void test_range_based_for_loop_vector(int source1) {
std::vector<int> v(100, source1);
for(int x : v) {
sink(x); // $ ir MISSING:ast
}
for(std::vector<int>::iterator it = v.begin(); it != v.end(); ++it) {
sink(*it); // $ ir MISSING:ast
}
for(int& x : v) {
sink(x); // $ ir MISSING:ast
}
const std::vector<int> const_v(100, source1);
for(const int& x : const_v) {
sink(x); // $ ir MISSING:ast
}
}
void test_element_taint(int x) {
std::vector<int> v1(10), v2(10), v3(10), v4(10), v5(10), v6(10), v7(10), v8(10), v9(10);
v1[0] = 0;
v1[1] = 0;
v1[x] = 0;
v1.push_back(1);
sink(v1);
sink(v1[0]);
sink(v1[1]);
sink(v1[x]);
sink(v1.front());
sink(v1.back());
v2[0] = source();
sink(v2); // $ ir MISSING:ast
sink(v2[0]); // $ ir MISSING:ast
sink(v2[1]); // $ SPURIOUS: ir
sink(v2[x]); // $ ir MISSING:ast
v3 = v2;
sink(v3); // $ ir MISSING:ast
sink(v3[0]); // $ ir MISSING:ast
sink(v3[1]); // $ SPURIOUS: ir
sink(v3[x]); // $ ir MISSING:ast
v4[x] = source();
sink(v4); // $ ir MISSING:ast
sink(v4[0]); // $ ir MISSING:ast
sink(v4[1]); // $ ir MISSING:ast
sink(v4[x]); // $ ir MISSING:ast
v5.push_back(source());
sink(v5); // $ ir MISSING:ast
sink(v5.front()); // $ SPURIOUS: ir
sink(v5.back()); // $ ir MISSING:ast
v6.data()[2] = source();
sink(v6); // $ ir MISSING:ast
sink(v6.data()[2]); // $ ir MISSING:ast
{
std::vector<int>::const_iterator it = v7.begin();
v7.insert(it, source());
}
sink(v7); // $ ir MISSING:ast
sink(v7.front()); // $ ir MISSING:ast
sink(v7.back()); // $ SPURIOUS: ir
{
const std::vector<int> &v8c = v8;
std::vector<int>::const_iterator it = v8c.begin();
v8.insert(it, 10, ns_int::source());
}
sink(v8); // $ MISSING: ast,ir
sink(v8.front()); // $ MISSING: ast,ir
sink(v8.back()); // $ MISSING: ast,ir
v9.at(x) = source();
sink(v9); // $ ir MISSING:ast
sink(v9.at(0)); // $ ir MISSING:ast
sink(v9.at(1)); // $ ir MISSING:ast
sink(v9.at(x)); // $ ir MISSING:ast
}
void test_vector_swap() {
std::vector<int> v1(10), v2(10), v3(10), v4(10);
v1.push_back(source());
v4.push_back(source());
sink(v1); // $ ir MISSING:ast
sink(v2);
sink(v3);
sink(v4); // $ ir MISSING:ast
v1.swap(v2);
v3.swap(v4);
sink(v1);
sink(v2); // $ ir MISSING: ast
sink(v3); // $ ir MISSING: ast
sink(v4);
}
void test_vector_clear() {
std::vector<int> v1(10), v2(10), v3(10), v4(10);
v1.push_back(source());
v2.push_back(source());
v3.push_back(source());
sink(v1); // $ ir MISSING:ast
sink(v2); // $ ir MISSING:ast
sink(v3); // $ ir MISSING:ast
sink(v4);
v1.clear();
v2 = v2;
v3 = v4;
sink(v1); // $ SPURIOUS: ir
sink(v2); // $ ir MISSING:ast
sink(v3);
sink(v4);
}
struct MyPair
{
int a, b;
};
struct MyVectorContainer
{
std::vector<int> vs;
};
void test_nested_vectors()
{
{
int aa[10][20] = {0};
sink(aa[0][0]);
aa[0][0] = source();
sink(aa[0][0]); // $ ir,ast
}
{
std::vector<std::vector<int> > bb(30);
bb[0].push_back(0);
sink(bb[0][0]);
bb[0][0] = source();
sink(bb[0][0]); // $ ir MISSING:ast
}
{
std::vector<int> cc[40];
cc[0].push_back(0);
sink(cc[0][0]);
cc[0][0] = source();
sink(cc[0][0]); // $ ir MISSING:ast
}
{
std::vector<MyPair> dd;
MyPair mp = {0, 0};
dd.push_back(mp);
sink(dd[0].a);
sink(dd[0].b);
dd[0].a = source();
sink(dd[0].a); // $ ir MISSING: ast
sink(dd[0].b);
}
{
MyVectorContainer ee;
ee.vs.push_back(0);
sink(ee.vs[0]);
ee.vs[0] = source();
sink(ee.vs[0]); // $ ir MISSING:ast
}
{
std::vector<MyVectorContainer> ff;
MyVectorContainer mvc;
mvc.vs.push_back(0);
ff.push_back(mvc);
sink(ff[0].vs[0]);
ff[0].vs[0] = source();
sink(ff[0].vs[0]); // $ ir MISSING: ast
}
}
void sink(std::vector<int>::iterator &);
typedef int myInt;
typedef float myFloat;
namespace ns_myFloat
{
myFloat source();
}
namespace ns_ci_ptr
{
const int *source();
}
void sink(std::vector<myFloat> &);
void sink(std::vector<const int *> &);
void test_vector_assign() {
std::vector<int> v1, v2, v3;
v1.assign(100, 0);
v2.assign(100, ns_int::source());
v3.push_back(source());
sink(v1);
sink(v2); // $ ir MISSING:ast
sink(v3); // $ ir MISSING:ast
{
std::vector<int> v4, v5, v6;
std::vector<int>::iterator i1, i2;
v4.assign(v1.begin(), v1.end());
v5.assign(v3.begin(), v3.end());
i1 = v3.begin();
i1++;
i2 = i1;
i2++;
v6.assign(i1, i2);
sink(v4);
sink(v5); // $ ir MISSING:ast
sink(i1); // $ ir MISSING:ast
sink(i2); // $ ir MISSING:ast
sink(v6); // $ ir MISSING:ast
}
{
std::vector<myInt> v7;
std::vector<myFloat> v8;
std::vector<const int *> v9;
v7.assign(100, ns_int::source());
v8.assign(100, ns_myFloat::source());
v9.assign(100, ns_ci_ptr::source());
sink(v7); // $ ir MISSING:ast
sink(v8); // $ ir MISSING:ast
sink(v9); // $ ir MISSING:ast
}
}
void sink(int *);
void test_data_more() {
std::vector<int> v1, v2;
v1.push_back(source());
sink(v1); // $ ir MISSING:ast
sink(v1.data()); // $ ir MISSING:ast
sink(v1.data()[2]); // $ ir MISSING:ast
*(v2.data()) = ns_int::source();
sink(v2); // $ ir
sink(v2.data()); // $ ir MISSING:ast
sink(v2.data()[2]); // $ ir MISSING:ast
}
void sink(std::vector<int>::iterator);
void test_vector_insert() {
std::vector<int> a;
std::vector<int> b;
std::vector<int> c;
std::vector<int> d;
d.push_back(source());
sink(a.insert(a.end(), b.begin(), b.end()));
sink(a);
sink(c.insert(c.end(), d.begin(), d.end())); // $ ir MISSING:ast
sink(c); // $ ir MISSING:ast
sink(d.insert(d.end(), a.begin(), a.end())); // $ ir MISSING:ast
sink(d); // $ ir MISSING:ast
}
void test_vector_constructors_more() {
std::vector<int> v1;
std::vector<int> v2;
v2.push_back(source());
std::vector<int> v3(v1.begin(), v1.end());
std::vector<int> v4(v2.begin(), v2.end());
sink(v1);
sink(v2); // $ ir MISSING:ast
sink(v3);
sink(v4); // $ ir MISSING:ast
}
void taint_vector_output_iterator(std::vector<int>::iterator iter) {
*iter = source();
}
void vector_iterator_assign_wrapper(std::vector<int>::iterator iter, int i) {
*iter = i;
}
void test_vector_output_iterator(int b) {
std::vector<int> v1(10), v2(10), v3(10), v4(10), v5(10), v6(10), v7(10), v8(10), v9(10), v10(10), v11(10), v12(10), v13(10), v14(10);
std::vector<int>::iterator i1 = v1.begin();
*i1 = source();
sink(v1); // $ ir,ast
for(std::vector<int>::iterator it = v2.begin(); it != v2.end(); ++it) {
*it = source();
}
sink(v2); // $ ir,ast
for(int& x : v3) {
x = source();
}
sink(v3); // $ MISSING: ast,ir
for(std::vector<int>::iterator it = v4.begin(); it != v4.end(); ++it) {
taint_vector_output_iterator(it);
}
sink(v4); // $ ast MISSING: ir
std::vector<int>::iterator i5 = v5.begin();
*i5 = source();
sink(v5); // $ ir,ast
*i5 = 1;
sink(v5); // $ ir,ast
std::vector<int>::iterator i6 = v6.begin();
*i6 = source();
sink(v6); // $ ir,ast
v6 = std::vector<int>(10);
sink(v6); // $ SPURIOUS: ast,ir
std::vector<int>::iterator i7 = v7.begin();
if(b) {
*i7 = source();
sink(v7); // $ ir,ast
} else {
*i7 = 1;
sink(v7);
}
sink(v7); // $ ir,ast
std::vector<int>::iterator i8 = v8.begin();
*i8 = source();
sink(v8); // $ ir,ast
*i8 = 1;
sink(v8); // $ SPURIOUS: ast,ir
std::vector<int>::iterator i9 = v9.begin();
*i9 = source();
taint_vector_output_iterator(i9);
sink(v9); // $ ast=330:10 ir SPURIOUS: ast=389:8
std::vector<int>::iterator i10 = v10.begin();
vector_iterator_assign_wrapper(i10, 10);
sink(v10);
std::vector<int>::iterator i11 = v11.begin();
vector_iterator_assign_wrapper(i11, source());
sink(v11); // $ ast MISSING: ir
std::vector<int>::iterator i12 = v12.begin();
*i12++ = 0;
*i12 = source();
sink(v12); // $ ir,ast
std::vector<int>::iterator i13 = v13.begin();
*i13++ = source();
sink(v13); // $ ir,ast
std::vector<int>::iterator i14 = v14.begin();
i14++;
*i14++ = source();
sink(v14); // $ ir,ast
}
void test_vector_inserter(char *source_string) {
{
std::vector<std::string> out;
auto it = out.end();
*it++ = std::string(source_string);
sink(out); // $ ir,ast
}
{
std::vector<std::string> out;
auto it = std::back_inserter(out);
*it++ = std::string(source_string);
sink(out); // $ ir,ast
}
{
std::vector<int> out;
auto it = std::back_inserter(out);
*it++ = source();
sink(out); // $ ir,ast
}
{
std::vector<std::string> out;
auto it = std::back_inserter(out);
*++it = std::string(source_string);
sink(out); // $ ir,ast
}
{
std::vector<int> out;
auto it = std::back_inserter(out);
*++it = source();
sink(out); // $ ast,ir
}
}
void *memcpy(void *s1, const void *s2, size_t n);
namespace ns_string
{
std::string source();
}
void sink(std::vector<char> &);
void sink(std::string &);
void test_vector_memcpy()
{
{
std::vector<int> v(100);
int s = source();
int i = 0;
sink(v);
memcpy(&v[i], &s, sizeof(int));
sink(v); // $ ir MISSING: ast
}
{
std::vector<char> cs(100);
std::string src = ns_string::source();
const size_t offs = 10;
const size_t len = src.length();
sink(src); // $ ast,ir
sink(cs);
memcpy(&cs[offs + 1], src.c_str(), len);
sink(src); // $ ast,ir
sink(cs); // $ ir MISSING: ast
}
}
void test_vector_emplace() {
std::vector<int> v1(10), v2(10);
v1.emplace_back(source());
sink(v1); // $ ir MISSING: ast
v2.emplace(v2.begin(), source());
sink(v2); // $ ir MISSING: ast
}
void test_vector_iterator() {
{
// array behaviour, for comparison
short as[100] = {0};
short *ptr;
sink(as[1]);
sink(as[source()]); // $ ast,ir
ptr = as;
sink(*ptr);
ptr += 1;
sink(*ptr);
ptr += source();
sink(*ptr); // $ ast,ir
sink(as[1]);
}
{
// iterator behaviour
std::vector<short> vs(100, 0);
std::vector<short>::iterator it;
sink(vs[1]);
sink(vs[source()]); // $ MISSING: ast,ir
it = vs.begin();
sink(*it);
it += 1;
sink(*it);
it += source();
sink(*it); // $ ast,ir
sink(vs[1]); // clean
}
}