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Diffstat (limited to 'lv2/atom/forge-overflow-test.c')
-rw-r--r-- | lv2/atom/forge-overflow-test.c | 235 |
1 files changed, 0 insertions, 235 deletions
diff --git a/lv2/atom/forge-overflow-test.c b/lv2/atom/forge-overflow-test.c deleted file mode 100644 index 5741453..0000000 --- a/lv2/atom/forge-overflow-test.c +++ /dev/null @@ -1,235 +0,0 @@ -/* - Copyright 2019 David Robillard <d@drobilla.net> - - Permission to use, copy, modify, and/or distribute this software for any - purpose with or without fee is hereby granted, provided that the above - copyright notice and this permission notice appear in all copies. - - THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR - ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. -*/ - -#include "lv2/atom/atom-test-utils.c" -#include "lv2/atom/atom.h" -#include "lv2/atom/forge.h" -#include "lv2/urid/urid.h" - -#include <assert.h> -#include <stdint.h> -#include <stdlib.h> - -static int -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 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 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}; - - // 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_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; - - lv2_atom_forge_frame_time(&forge, 0); - lv2_atom_forge_int(&forge, 42); - lv2_atom_forge_pop(&forge, &frame); - - free(buf); - } - - 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}; - - // 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_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; - - 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); - } - - 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}; - - // 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_Ref ref = - lv2_atom_forge_vector(&forge, sizeof(int32_t), forge.Int, 3, vec); - - assert(capacity >= sizeof(LV2_Atom_Vector) || !ref); - (void)ref; - - free(buf); - } - - 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}; - - // 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_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; - - 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); - } - - 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(); - - free_urid_map(); - - return ret; -} |