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104 lines
1.8 KiB
C++
104 lines
1.8 KiB
C++
int source(); char source(bool);
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void sink(int); void sink(char);
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void source_ref(int *toTaint) { // $ ir-def=*toTaint ast-def=toTaint
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*toTaint = source();
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}
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void source_ref(char *toTaint) { // $ ir-def=*toTaint ast-def=toTaint
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*toTaint = source();
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}
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void modify_copy(int* ptr) { // $ ast-def=ptr
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int deref = *ptr;
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int* other = &deref;
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source_ref(other);
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}
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void test_output_copy() {
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int x = 0;
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modify_copy(&x);
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sink(x); // clean
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}
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void modify(int* ptr) { // $ ast-def=ptr
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int* deref = ptr;
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int* other = &*deref;
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source_ref(other);
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}
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void test_output() {
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int x = 0;
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modify(&x);
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sink(x); // $ ir MISSING: ast
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}
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void modify_copy_of_pointer(int* p, unsigned len) { // $ ast-def=p
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int* p2 = new int[len];
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for(unsigned i = 0; i < len; ++i) {
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p2[i] = p[i];
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}
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source_ref(p2);
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}
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void test_modify_copy_of_pointer() {
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int x[10];
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modify_copy_of_pointer(x, 10);
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sink(x[0]); // $ SPURIOUS: ast // clean
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}
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void modify_pointer(int* p, unsigned len) { // $ ast-def=p
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int** p2 = &p;
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for(unsigned i = 0; i < len; ++i) {
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*p2[i] = p[i];
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}
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source_ref(*p2);
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}
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void test_modify_of_pointer() {
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int x[10];
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modify_pointer(x, 10);
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sink(x[0]); // $ ast,ir
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}
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char* strdup(const char* p);
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void modify_copy_via_strdup(char* p) { // $ ast-def=p
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char* p2 = strdup(p);
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source_ref(p2);
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}
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void test_modify_copy_via_strdup(char* p) { // $ ast-def=p
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modify_copy_via_strdup(p);
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sink(*p); // $ SPURIOUS: ir
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}
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int* deref(int** p) { // $ ast-def=p
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int* q = *p;
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return q;
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}
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void test1() {
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int x = 0;
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int* p = &x;
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deref(&p)[0] = source();
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sink(*p); // $ ir MISSING: ast
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}
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void addtaint1(int* q) { // $ ast-def=q ir-def=*q
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*q = source();
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}
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void addtaint2(int** p) { // $ ast-def=p
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int* q = *p;
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addtaint1(q);
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}
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void test2() {
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int x = 0;
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int* p = &x;
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addtaint2(&p);
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sink(*p); // $ ir MISSING: ast
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}
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