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Diffstat (limited to 'lv2/atom/forge-overflow-test.c')
-rw-r--r--lv2/atom/forge-overflow-test.c292
1 files changed, 145 insertions, 147 deletions
diff --git a/lv2/atom/forge-overflow-test.c b/lv2/atom/forge-overflow-test.c
index ed5845a..8e5ede6 100644
--- a/lv2/atom/forge-overflow-test.c
+++ b/lv2/atom/forge-overflow-test.c
@@ -28,210 +28,208 @@ test_string_overflow(void)
{
#define MAX_CHARS 15
- static const size_t capacity = sizeof(LV2_Atom_String) + MAX_CHARS + 1;
- static const char* str = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
-
- uint8_t* buf = (uint8_t*)malloc(capacity);
- LV2_URID_Map map = { NULL, urid_map };
- LV2_Atom_Forge forge;
- lv2_atom_forge_init(&forge, &map);
-
- // Check that writing increasingly long strings fails at the right point
- for (size_t count = 0; count < MAX_CHARS; ++count) {
- lv2_atom_forge_set_buffer(&forge, buf, capacity);
-
- const LV2_Atom_Forge_Ref ref =
- lv2_atom_forge_string(&forge, str, count);
- if (!ref) {
- return test_fail("Failed to write %zu byte string\n", count);
- }
- }
-
- // Failure writing to an exactly full forge
- if (lv2_atom_forge_string(&forge, str, MAX_CHARS + 1)) {
- return test_fail("Successfully wrote past end of buffer\n");
- }
-
- // Failure writing body after successfully writing header
- lv2_atom_forge_set_buffer(&forge, buf, sizeof(LV2_Atom) + 1);
- if (lv2_atom_forge_string(&forge, "AB", 2)) {
- return test_fail("Successfully wrote atom header past end\n");
- }
-
- free(buf);
- return 0;
+ static const size_t capacity = sizeof(LV2_Atom_String) + MAX_CHARS + 1;
+ static const char* str = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
+
+ uint8_t* buf = (uint8_t*)malloc(capacity);
+ LV2_URID_Map map = {NULL, urid_map};
+ LV2_Atom_Forge forge;
+ lv2_atom_forge_init(&forge, &map);
+
+ // Check that writing increasingly long strings fails at the right point
+ for (size_t count = 0; count < MAX_CHARS; ++count) {
+ lv2_atom_forge_set_buffer(&forge, buf, capacity);
+
+ const LV2_Atom_Forge_Ref ref = lv2_atom_forge_string(&forge, str, count);
+ if (!ref) {
+ return test_fail("Failed to write %zu byte string\n", count);
+ }
+ }
+
+ // Failure writing to an exactly full forge
+ if (lv2_atom_forge_string(&forge, str, MAX_CHARS + 1)) {
+ return test_fail("Successfully wrote past end of buffer\n");
+ }
+
+ // Failure writing body after successfully writing header
+ lv2_atom_forge_set_buffer(&forge, buf, sizeof(LV2_Atom) + 1);
+ if (lv2_atom_forge_string(&forge, "AB", 2)) {
+ return test_fail("Successfully wrote atom header past end\n");
+ }
+
+ free(buf);
+ return 0;
}
static int
test_literal_overflow(void)
{
- static const size_t capacity = sizeof(LV2_Atom_Literal) + 2;
-
- uint8_t* buf = (uint8_t*)malloc(capacity);
- LV2_URID_Map map = { NULL, urid_map };
- LV2_Atom_Forge forge;
- lv2_atom_forge_init(&forge, &map);
-
- // Failure in atom header
- lv2_atom_forge_set_buffer(&forge, buf, 1);
- if (lv2_atom_forge_literal(&forge, "A", 1, 0, 0)) {
- return test_fail("Successfully wrote atom header past end\n");
- }
-
- // Failure in literal header
- lv2_atom_forge_set_buffer(&forge, buf, sizeof(LV2_Atom) + 1);
- if (lv2_atom_forge_literal(&forge, "A", 1, 0, 0)) {
- return test_fail("Successfully wrote literal header past end\n");
- }
-
- // Success (only room for one character + null terminator)
- lv2_atom_forge_set_buffer(&forge, buf, capacity);
- if (!lv2_atom_forge_literal(&forge, "A", 1, 0, 0)) {
- return test_fail("Failed to write small enough literal\n");
- }
-
- // Failure in body
- lv2_atom_forge_set_buffer(&forge, buf, capacity);
- if (lv2_atom_forge_literal(&forge, "AB", 2, 0, 0)) {
- return test_fail("Successfully wrote literal body past end\n");
- }
-
- free(buf);
- return 0;
+ static const size_t capacity = sizeof(LV2_Atom_Literal) + 2;
+
+ uint8_t* buf = (uint8_t*)malloc(capacity);
+ LV2_URID_Map map = {NULL, urid_map};
+ LV2_Atom_Forge forge;
+ lv2_atom_forge_init(&forge, &map);
+
+ // Failure in atom header
+ lv2_atom_forge_set_buffer(&forge, buf, 1);
+ if (lv2_atom_forge_literal(&forge, "A", 1, 0, 0)) {
+ return test_fail("Successfully wrote atom header past end\n");
+ }
+
+ // Failure in literal header
+ lv2_atom_forge_set_buffer(&forge, buf, sizeof(LV2_Atom) + 1);
+ if (lv2_atom_forge_literal(&forge, "A", 1, 0, 0)) {
+ return test_fail("Successfully wrote literal header past end\n");
+ }
+
+ // Success (only room for one character + null terminator)
+ lv2_atom_forge_set_buffer(&forge, buf, capacity);
+ if (!lv2_atom_forge_literal(&forge, "A", 1, 0, 0)) {
+ return test_fail("Failed to write small enough literal\n");
+ }
+
+ // Failure in body
+ lv2_atom_forge_set_buffer(&forge, buf, capacity);
+ if (lv2_atom_forge_literal(&forge, "AB", 2, 0, 0)) {
+ return test_fail("Successfully wrote literal body past end\n");
+ }
+
+ free(buf);
+ return 0;
}
static int
test_sequence_overflow(void)
{
- static const size_t size = sizeof(LV2_Atom_Sequence) + 6 * sizeof(LV2_Atom);
- LV2_URID_Map map = { NULL, urid_map };
+ static const size_t size = sizeof(LV2_Atom_Sequence) + 6 * sizeof(LV2_Atom);
+ LV2_URID_Map map = {NULL, urid_map};
- // Test over a range that fails in the sequence header and event components
- for (size_t capacity = 1; capacity < size; ++capacity) {
- uint8_t* buf = (uint8_t*)malloc(capacity);
+ // Test over a range that fails in the sequence header and event components
+ for (size_t capacity = 1; capacity < size; ++capacity) {
+ uint8_t* buf = (uint8_t*)malloc(capacity);
- LV2_Atom_Forge forge;
- lv2_atom_forge_init(&forge, &map);
- lv2_atom_forge_set_buffer(&forge, buf, capacity);
+ LV2_Atom_Forge forge;
+ lv2_atom_forge_init(&forge, &map);
+ lv2_atom_forge_set_buffer(&forge, buf, capacity);
- LV2_Atom_Forge_Frame frame;
- LV2_Atom_Forge_Ref ref =
- lv2_atom_forge_sequence_head(&forge, &frame, 0);
+ LV2_Atom_Forge_Frame frame;
+ LV2_Atom_Forge_Ref ref = lv2_atom_forge_sequence_head(&forge, &frame, 0);
- assert(capacity >= sizeof(LV2_Atom_Sequence) || !frame.ref);
- assert(capacity >= sizeof(LV2_Atom_Sequence) || !ref);
- (void)ref;
+ assert(capacity >= sizeof(LV2_Atom_Sequence) || !frame.ref);
+ assert(capacity >= sizeof(LV2_Atom_Sequence) || !ref);
+ (void)ref;
- lv2_atom_forge_frame_time(&forge, 0);
- lv2_atom_forge_int(&forge, 42);
- lv2_atom_forge_pop(&forge, &frame);
+ lv2_atom_forge_frame_time(&forge, 0);
+ lv2_atom_forge_int(&forge, 42);
+ lv2_atom_forge_pop(&forge, &frame);
- free(buf);
- }
+ free(buf);
+ }
- return 0;
+ return 0;
}
static int
test_vector_head_overflow(void)
{
- static const size_t size = sizeof(LV2_Atom_Vector) + 3 * sizeof(LV2_Atom);
- LV2_URID_Map map = { NULL, urid_map };
+ static const size_t size = sizeof(LV2_Atom_Vector) + 3 * sizeof(LV2_Atom);
+ LV2_URID_Map map = {NULL, urid_map};
- // Test over a range that fails in the vector header and elements
- for (size_t capacity = 1; capacity < size; ++capacity) {
- uint8_t* buf = (uint8_t*)malloc(capacity);
+ // Test over a range that fails in the vector header and elements
+ for (size_t capacity = 1; capacity < size; ++capacity) {
+ uint8_t* buf = (uint8_t*)malloc(capacity);
- LV2_Atom_Forge forge;
- lv2_atom_forge_init(&forge, &map);
- lv2_atom_forge_set_buffer(&forge, buf, capacity);
+ LV2_Atom_Forge forge;
+ lv2_atom_forge_init(&forge, &map);
+ lv2_atom_forge_set_buffer(&forge, buf, capacity);
- LV2_Atom_Forge_Frame frame;
- LV2_Atom_Forge_Ref ref = lv2_atom_forge_vector_head(
- &forge, &frame, sizeof(int32_t), forge.Int);
+ LV2_Atom_Forge_Frame frame;
+ LV2_Atom_Forge_Ref ref =
+ lv2_atom_forge_vector_head(&forge, &frame, sizeof(int32_t), forge.Int);
- assert(capacity >= sizeof(LV2_Atom_Vector) || !frame.ref);
- assert(capacity >= sizeof(LV2_Atom_Vector) || !ref);
- (void)ref;
+ assert(capacity >= sizeof(LV2_Atom_Vector) || !frame.ref);
+ assert(capacity >= sizeof(LV2_Atom_Vector) || !ref);
+ (void)ref;
- lv2_atom_forge_int(&forge, 1);
- lv2_atom_forge_int(&forge, 2);
- lv2_atom_forge_int(&forge, 3);
- lv2_atom_forge_pop(&forge, &frame);
+ lv2_atom_forge_int(&forge, 1);
+ lv2_atom_forge_int(&forge, 2);
+ lv2_atom_forge_int(&forge, 3);
+ lv2_atom_forge_pop(&forge, &frame);
- free(buf);
- }
+ free(buf);
+ }
- return 0;
+ return 0;
}
static int
test_vector_overflow(void)
{
- static const size_t size = sizeof(LV2_Atom_Vector) + 3 * sizeof(LV2_Atom);
- static const int32_t vec[] = { 1, 2, 3 };
- LV2_URID_Map map = { NULL, urid_map };
+ static const size_t size = sizeof(LV2_Atom_Vector) + 3 * sizeof(LV2_Atom);
+ static const int32_t vec[] = {1, 2, 3};
+ LV2_URID_Map map = {NULL, urid_map};
- // Test over a range that fails in the vector header and elements
- for (size_t capacity = 1; capacity < size; ++capacity) {
- uint8_t* buf = (uint8_t*)malloc(capacity);
+ // Test over a range that fails in the vector header and elements
+ for (size_t capacity = 1; capacity < size; ++capacity) {
+ uint8_t* buf = (uint8_t*)malloc(capacity);
- LV2_Atom_Forge forge;
- lv2_atom_forge_init(&forge, &map);
- lv2_atom_forge_set_buffer(&forge, buf, capacity);
+ LV2_Atom_Forge forge;
+ lv2_atom_forge_init(&forge, &map);
+ lv2_atom_forge_set_buffer(&forge, buf, capacity);
- LV2_Atom_Forge_Ref ref = lv2_atom_forge_vector(
- &forge, sizeof(int32_t), forge.Int, 3, vec);
+ LV2_Atom_Forge_Ref ref =
+ lv2_atom_forge_vector(&forge, sizeof(int32_t), forge.Int, 3, vec);
- assert(capacity >= sizeof(LV2_Atom_Vector) || !ref);
- (void)ref;
+ assert(capacity >= sizeof(LV2_Atom_Vector) || !ref);
+ (void)ref;
- free(buf);
- }
+ free(buf);
+ }
- return 0;
+ return 0;
}
static int
test_tuple_overflow(void)
{
- static const size_t size = sizeof(LV2_Atom_Tuple) + 3 * sizeof(LV2_Atom);
- LV2_URID_Map map = { NULL, urid_map };
+ static const size_t size = sizeof(LV2_Atom_Tuple) + 3 * sizeof(LV2_Atom);
+ LV2_URID_Map map = {NULL, urid_map};
- // Test over a range that fails in the tuple header and elements
- for (size_t capacity = 1; capacity < size; ++capacity) {
- uint8_t* buf = (uint8_t*)malloc(capacity);
+ // Test over a range that fails in the tuple header and elements
+ for (size_t capacity = 1; capacity < size; ++capacity) {
+ uint8_t* buf = (uint8_t*)malloc(capacity);
- LV2_Atom_Forge forge;
- lv2_atom_forge_init(&forge, &map);
- lv2_atom_forge_set_buffer(&forge, buf, capacity);
+ LV2_Atom_Forge forge;
+ lv2_atom_forge_init(&forge, &map);
+ lv2_atom_forge_set_buffer(&forge, buf, capacity);
- LV2_Atom_Forge_Frame frame;
- LV2_Atom_Forge_Ref ref = lv2_atom_forge_tuple(&forge, &frame);
+ LV2_Atom_Forge_Frame frame;
+ LV2_Atom_Forge_Ref ref = lv2_atom_forge_tuple(&forge, &frame);
- assert(capacity >= sizeof(LV2_Atom_Tuple) || !frame.ref);
- assert(capacity >= sizeof(LV2_Atom_Tuple) || !ref);
- (void)ref;
+ assert(capacity >= sizeof(LV2_Atom_Tuple) || !frame.ref);
+ assert(capacity >= sizeof(LV2_Atom_Tuple) || !ref);
+ (void)ref;
- lv2_atom_forge_int(&forge, 1);
- lv2_atom_forge_float(&forge, 2.0f);
- lv2_atom_forge_string(&forge, "three", 5);
- lv2_atom_forge_pop(&forge, &frame);
+ lv2_atom_forge_int(&forge, 1);
+ lv2_atom_forge_float(&forge, 2.0f);
+ lv2_atom_forge_string(&forge, "three", 5);
+ lv2_atom_forge_pop(&forge, &frame);
- free(buf);
- }
+ free(buf);
+ }
- return 0;
+ return 0;
}
int
main(void)
{
- const int ret = test_string_overflow() || test_literal_overflow() ||
- test_sequence_overflow() || test_vector_head_overflow() ||
- test_vector_overflow() || test_tuple_overflow();
+ const int ret = test_string_overflow() || test_literal_overflow() ||
+ test_sequence_overflow() || test_vector_head_overflow() ||
+ test_vector_overflow() || test_tuple_overflow();
- free_urid_map();
+ free_urid_map();
- return ret;
+ return ret;
}
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