diff options
Diffstat (limited to 'tests/tlv/tlv_test.c')
| -rw-r--r-- | tests/tlv/tlv_test.c | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/tests/tlv/tlv_test.c b/tests/tlv/tlv_test.c index 925d7628..3b4f441c 100644 --- a/tests/tlv/tlv_test.c +++ b/tests/tlv/tlv_test.c @@ -332,6 +332,97 @@ static void test_tlv_encoder() msgb_free(msg); } +static void test_tlv_parser_bounds() +{ + struct tlv_definition tdef; + struct tlv_parsed dec; + uint8_t buf[32]; + + memset(&tdef, 0, sizeof(tdef)); + + printf("Testing TLV_TYPE_T decoder for out-of-bounds\n"); + tdef.def[0x23].type = TLV_TYPE_T; + buf[0] = 0x23; + OSMO_ASSERT(tlv_parse(&dec, &tdef, buf, 1, 0, 0) == 1); + OSMO_ASSERT(tlv_parse(&dec, &tdef, buf, 0, 0, 0) == 0); + + printf("Testing TLV_TYPE_TV decoder for out-of-bounds\n"); + tdef.def[0x23].type = TLV_TYPE_TV; + buf[0] = 0x23; + buf[1] = 0x42; + OSMO_ASSERT(tlv_parse(&dec, &tdef, buf, 2, 0, 0) == 1); + OSMO_ASSERT(*TLVP_VAL(&dec, 0x23) == buf[1]); + OSMO_ASSERT(tlv_parse(&dec, &tdef, buf, 1, 0, 0) == OSMO_TLVP_ERR_OFS_LEN_BEYOND_BUFFER); + OSMO_ASSERT(TLVP_VAL(&dec, 0x23) == NULL); + + printf("Testing TLV_TYPE_FIXED decoder for out-of-bounds\n"); + tdef.def[0x23].type = TLV_TYPE_FIXED; + tdef.def[0x23].fixed_len = 2; + buf[0] = 0x23; + buf[1] = 0x42; + buf[2] = 0x55; + OSMO_ASSERT(tlv_parse(&dec, &tdef, buf, 3, 0, 0) == 1); + OSMO_ASSERT(tlv_parse(&dec, &tdef, buf, 2, 0, 0) == OSMO_TLVP_ERR_OFS_LEN_BEYOND_BUFFER); + OSMO_ASSERT(TLVP_VAL(&dec, 0x23) == NULL); + + printf("Testing TLV_TYPE_TLV decoder for out-of-bounds\n"); + tdef.def[0x23].type = TLV_TYPE_TLV; + buf[0] = 0x23; + buf[1] = 0x02; + buf[2] = 0x55; + buf[3] = 0xAA; + OSMO_ASSERT(tlv_parse(&dec, &tdef, buf, 4, 0, 0) == 1); + OSMO_ASSERT(TLVP_VAL(&dec, 0x23) == &buf[2]); + OSMO_ASSERT(tlv_parse(&dec, &tdef, buf, 3, 0, 0) == OSMO_TLVP_ERR_OFS_LEN_BEYOND_BUFFER); + OSMO_ASSERT(TLVP_VAL(&dec, 0x23) == NULL); + OSMO_ASSERT(tlv_parse(&dec, &tdef, buf, 2, 0, 0) == OSMO_TLVP_ERR_OFS_LEN_BEYOND_BUFFER); + OSMO_ASSERT(TLVP_VAL(&dec, 0x23) == NULL); + OSMO_ASSERT(tlv_parse(&dec, &tdef, buf, 1, 0, 0) == OSMO_TLVP_ERR_OFS_BEYOND_BUFFER); + OSMO_ASSERT(TLVP_VAL(&dec, 0x23) == NULL); + + printf("Testing TLV_TYPE_vTvLV_GAN decoder for out-of-bounds\n"); + tdef.def[0x23].type = TLV_TYPE_vTvLV_GAN; + buf[0] = 0x23; + buf[1] = 0x80; + buf[2] = 0x01; + buf[3] = 0xAA; + OSMO_ASSERT(tlv_parse(&dec, &tdef, buf, 4, 0, 0) == 1); + OSMO_ASSERT(TLVP_VAL(&dec, 0x23) == &buf[3]); + OSMO_ASSERT(tlv_parse(&dec, &tdef, buf, 3, 0, 0) == OSMO_TLVP_ERR_OFS_LEN_BEYOND_BUFFER); + OSMO_ASSERT(TLVP_VAL(&dec, 0x23) == NULL); + OSMO_ASSERT(tlv_parse(&dec, &tdef, buf, 2, 0, 0) == OSMO_TLVP_ERR_OFS_BEYOND_BUFFER); + OSMO_ASSERT(TLVP_VAL(&dec, 0x23) == NULL); + OSMO_ASSERT(tlv_parse(&dec, &tdef, buf, 1, 0, 0) == OSMO_TLVP_ERR_OFS_BEYOND_BUFFER); + OSMO_ASSERT(TLVP_VAL(&dec, 0x23) == NULL); + + printf("Testing TLV_TYPE_TvLV decoder for out-of-bounds\n"); + tdef.def[0x23].type = TLV_TYPE_TvLV; + buf[0] = 0x23; + buf[1] = 0x81; + buf[2] = 0xAA; + OSMO_ASSERT(tlv_parse(&dec, &tdef, buf, 3, 0, 0) == 1); + OSMO_ASSERT(TLVP_VAL(&dec, 0x23) == &buf[2]); + OSMO_ASSERT(tlv_parse(&dec, &tdef, buf, 2, 0, 0) == OSMO_TLVP_ERR_OFS_LEN_BEYOND_BUFFER); + OSMO_ASSERT(TLVP_VAL(&dec, 0x23) == NULL); + OSMO_ASSERT(tlv_parse(&dec, &tdef, buf, 1, 0, 0) == OSMO_TLVP_ERR_OFS_BEYOND_BUFFER); + OSMO_ASSERT(TLVP_VAL(&dec, 0x23) == NULL); + + printf("Testing TLV_TYPE_TL16V decoder for out-of-bounds\n"); + tdef.def[0x23].type = TLV_TYPE_TL16V; + buf[0] = 0x23; + buf[1] = 0x00; + buf[2] = 0x01; + buf[3] = 0xAA; + OSMO_ASSERT(tlv_parse(&dec, &tdef, buf, 4, 0, 0) == 1); + OSMO_ASSERT(TLVP_VAL(&dec, 0x23) == &buf[3]); + OSMO_ASSERT(tlv_parse(&dec, &tdef, buf, 3, 0, 0) == OSMO_TLVP_ERR_OFS_LEN_BEYOND_BUFFER); + OSMO_ASSERT(TLVP_VAL(&dec, 0x23) == NULL); + OSMO_ASSERT(tlv_parse(&dec, &tdef, buf, 2, 0, 0) == OSMO_TLVP_ERR_OFS_BEYOND_BUFFER); + OSMO_ASSERT(TLVP_VAL(&dec, 0x23) == NULL); + OSMO_ASSERT(tlv_parse(&dec, &tdef, buf, 1, 0, 0) == OSMO_TLVP_ERR_OFS_BEYOND_BUFFER); + OSMO_ASSERT(TLVP_VAL(&dec, 0x23) == NULL); +} + int main(int argc, char **argv) { //osmo_init_logging2(ctx, &info); @@ -339,6 +430,7 @@ int main(int argc, char **argv) test_tlv_shift_functions(); test_tlv_repeated_ie(); test_tlv_encoder(); + test_tlv_parser_bounds(); printf("Done.\n"); return EXIT_SUCCESS; |