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Diffstat (limited to 'tests/contrib/test_base64.c')
| -rw-r--r-- | tests/contrib/test_base64.c | 237 |
1 files changed, 237 insertions, 0 deletions
diff --git a/tests/contrib/test_base64.c b/tests/contrib/test_base64.c new file mode 100644 index 0000000..82eee7d --- /dev/null +++ b/tests/contrib/test_base64.c @@ -0,0 +1,237 @@ +/* Copyright (C) 2020 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz> + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <https://www.gnu.org/licenses/>. + */ + +#include <stdlib.h> +#include <stdint.h> +#include <string.h> +#include <tap/basic.h> + +#include "libknot/libknot.h" +#include "contrib/base64.h" +#include "contrib/openbsd/strlcpy.h" + +#define BUF_LEN 256 +#define MAX_BIN_DATA_LEN ((INT32_MAX / 4) * 3) + +int main(int argc, char *argv[]) +{ + plan(52); + + int32_t ret; + uint8_t in[BUF_LEN], ref[BUF_LEN], out[BUF_LEN], out2[BUF_LEN], *out3; + uint32_t in_len, ref_len; + + // 0. test invalid input + ret = knot_base64_encode(NULL, 0, out, BUF_LEN); + is_int(KNOT_EINVAL, ret, "knot_base64_encode: NULL input buffer"); + ret = knot_base64_encode(in, BUF_LEN, NULL, 0); + is_int(KNOT_EINVAL, ret, "knot_base64_encode: NULL output buffer"); + ret = knot_base64_encode(in, MAX_BIN_DATA_LEN + 1, out, BUF_LEN); + is_int(KNOT_ERANGE, ret, "knot_base64_encode: input buffer too large"); + ret = knot_base64_encode(in, BUF_LEN, out, BUF_LEN); + is_int(KNOT_ERANGE, ret, "knot_base64_encode: output buffer too small"); + + ret = knot_base64_encode_alloc(NULL, 0, &out3); + is_int(KNOT_EINVAL, ret, "knot_base64_encode_alloc: NULL input buffer"); + ret = knot_base64_encode_alloc(in, MAX_BIN_DATA_LEN + 1, &out3); + is_int(KNOT_ERANGE, ret, "knot_base64_encode_alloc: input buffer too large"); + ret = knot_base64_encode_alloc(in, BUF_LEN, NULL); + is_int(KNOT_EINVAL, ret, "knot_base64_encode_alloc: NULL output buffer"); + + ret = knot_base64_decode(NULL, 0, out, BUF_LEN); + is_int(KNOT_EINVAL, ret, "knot_base64_decode: NULL input buffer"); + ret = knot_base64_decode(in, BUF_LEN, NULL, 0); + is_int(KNOT_EINVAL, ret, "knot_base64_decode: NULL output buffer"); + ret = knot_base64_decode(in, UINT32_MAX, out, BUF_LEN); + is_int(KNOT_ERANGE, ret, "knot_base64_decode: input buffer too large"); + ret = knot_base64_decode(in, BUF_LEN, out, 0); + is_int(KNOT_ERANGE, ret, "knot_base64_decode: output buffer too small"); + + ret = knot_base64_decode_alloc(NULL, 0, &out3); + is_int(KNOT_EINVAL, ret, "knot_base64_decode_alloc: NULL input buffer"); + ret = knot_base64_decode_alloc(in, UINT32_MAX, &out3); + is_int(KNOT_ERANGE, ret, "knot_base64_decode_aloc: input buffer too large"); + ret = knot_base64_decode_alloc(in, BUF_LEN, NULL); + is_int(KNOT_EINVAL, ret, "knot_base64_decode_alloc: NULL output buffer"); + + // 1. test vector -> ENC -> DEC + strlcpy((char *)in, "", BUF_LEN); + in_len = strlen((char *)in); + strlcpy((char *)ref, "", BUF_LEN); + ref_len = strlen((char *)ref); + ret = knot_base64_encode(in, in_len, out, BUF_LEN); + ok(ret == ref_len, "1. test vector - ENC output length"); + if (ret < 0) { + skip("Encode err"); + } else { + ok(memcmp(out, ref, ret) == 0, "1. test vector - ENC output content"); + } + ret = knot_base64_decode(out, ret, out2, BUF_LEN); + ok(ret == in_len, "1. test vector - DEC output length"); + if (ret < 0) { + skip("Decode err"); + } else { + ok(memcmp(out2, in, ret) == 0, "1. test vector - DEC output content"); + } + + // 2. test vector -> ENC -> DEC + strlcpy((char *)in, "f", BUF_LEN); + in_len = strlen((char *)in); + strlcpy((char *)ref, "Zg==", BUF_LEN); + ref_len = strlen((char *)ref); + ret = knot_base64_encode(in, in_len, out, BUF_LEN); + ok(ret == ref_len, "2. test vector - ENC output length"); + if (ret < 0) { + skip("Encode err"); + } else { + ok(memcmp(out, ref, ret) == 0, "2. test vector - ENC output content"); + } + ret = knot_base64_decode(out, ret, out2, BUF_LEN); + ok(ret == in_len, "2. test vector - DEC output length"); + if (ret < 0) { + skip("Decode err"); + } else { + ok(memcmp(out2, in, ret) == 0, "2. test vector - DEC output content"); + } + + // 3. test vector -> ENC -> DEC + strlcpy((char *)in, "fo", BUF_LEN); + in_len = strlen((char *)in); + strlcpy((char *)ref, "Zm8=", BUF_LEN); + ref_len = strlen((char *)ref); + ret = knot_base64_encode(in, in_len, out, BUF_LEN); + ok(ret == ref_len, "3. test vector - ENC output length"); + if (ret < 0) { + skip("Encode err"); + } else { + ok(memcmp(out, ref, ret) == 0, "3. test vector - ENC output content"); + } + ret = knot_base64_decode(out, ret, out2, BUF_LEN); + ok(ret == in_len, "3. test vector - DEC output length"); + if (ret < 0) { + skip("Decode err"); + } else { + ok(memcmp(out2, in, ret) == 0, "3. test vector - DEC output content"); + } + + // 4. test vector -> ENC -> DEC + strlcpy((char *)in, "foo", BUF_LEN); + in_len = strlen((char *)in); + strlcpy((char *)ref, "Zm9v", BUF_LEN); + ref_len = strlen((char *)ref); + ret = knot_base64_encode(in, in_len, out, BUF_LEN); + ok(ret == ref_len, "4. test vector - ENC output length"); + if (ret < 0) { + skip("Encode err"); + } else { + ok(memcmp(out, ref, ret) == 0, "4. test vector - ENC output content"); + } + ret = knot_base64_decode(out, ret, out2, BUF_LEN); + ok(ret == in_len, "4. test vector - DEC output length"); + if (ret < 0) { + skip("Decode err"); + } else { + ok(memcmp(out2, in, ret) == 0, "4. test vector - DEC output content"); + } + + // 5. test vector -> ENC -> DEC + strlcpy((char *)in, "foob", BUF_LEN); + in_len = strlen((char *)in); + strlcpy((char *)ref, "Zm9vYg==", BUF_LEN); + ref_len = strlen((char *)ref); + ret = knot_base64_encode(in, in_len, out, BUF_LEN); + ok(ret == ref_len, "5. test vector - ENC output length"); + if (ret < 0) { + skip("Encode err"); + } else { + ok(memcmp(out, ref, ret) == 0, "5. test vector - ENC output content"); + } + ret = knot_base64_decode(out, ret, out2, BUF_LEN); + ok(ret == in_len, "5. test vector - DEC output length"); + if (ret < 0) { + skip("Decode err"); + } else { + ok(memcmp(out2, in, ret) == 0, "5. test vector - DEC output content"); + } + + // 6. test vector -> ENC -> DEC + strlcpy((char *)in, "fooba", BUF_LEN); + in_len = strlen((char *)in); + strlcpy((char *)ref, "Zm9vYmE=", BUF_LEN); + ref_len = strlen((char *)ref); + ret = knot_base64_encode(in, in_len, out, BUF_LEN); + ok(ret == ref_len, "6. test vector - ENC output length"); + if (ret < 0) { + skip("Encode err"); + } else { + ok(memcmp(out, ref, ret) == 0, "6. test vector - ENC output content"); + } + ret = knot_base64_decode(out, ret, out2, BUF_LEN); + ok(ret == in_len, "6. test vector - DEC output length"); + if (ret < 0) { + skip("Decode err"); + } else { + ok(memcmp(out2, in, ret) == 0, "6. test vector - DEC output content"); + } + + // 7. test vector -> ENC -> DEC + strlcpy((char *)in, "foobar", BUF_LEN); + in_len = strlen((char *)in); + strlcpy((char *)ref, "Zm9vYmFy", BUF_LEN); + ref_len = strlen((char *)ref); + ret = knot_base64_encode(in, in_len, out, BUF_LEN); + ok(ret == ref_len, "7. test vector - ENC output length"); + if (ret < 0) { + skip("Encode err"); + } else { + ok(memcmp(out, ref, ret) == 0, "7. test vector - ENC output content"); + } + ret = knot_base64_decode(out, ret, out2, BUF_LEN); + ok(ret == in_len, "7. test vector - DEC output length"); + if (ret < 0) { + skip("Decode err"); + } else { + ok(memcmp(out2, in, ret) == 0, "7. test vector - DEC output content"); + } + + // Bad paddings + ret = knot_base64_decode((uint8_t *)"A===", 4, out, BUF_LEN); + ok(ret == KNOT_BASE64_ECHAR, "Bad padding length 3"); + ret = knot_base64_decode((uint8_t *)"====", 4, out, BUF_LEN); + ok(ret == KNOT_BASE64_ECHAR, "Bad padding length 4"); + ret = knot_base64_decode((uint8_t *)"AA=A", 4, out, BUF_LEN); + ok(ret == KNOT_BASE64_ECHAR, "Bad padding character on position 2"); + ret = knot_base64_decode((uint8_t *)"Zg==Zg==", 8, out, BUF_LEN); + ok(ret == KNOT_BASE64_ECHAR, "Two quartets with padding"); + + // Bad data length + ret = knot_base64_decode((uint8_t *)"A", 1, out, BUF_LEN); + ok(ret == KNOT_BASE64_ESIZE, "Bad data length 1"); + ret = knot_base64_decode((uint8_t *)"AA", 2, out, BUF_LEN); + ok(ret == KNOT_BASE64_ESIZE, "Bad data length 2"); + ret = knot_base64_decode((uint8_t *)"AAA", 3, out, BUF_LEN); + ok(ret == KNOT_BASE64_ESIZE, "Bad data length 3"); + ret = knot_base64_decode((uint8_t *)"AAAAA", 5, out, BUF_LEN); + ok(ret == KNOT_BASE64_ESIZE, "Bad data length 5"); + + // Bad data character + ret = knot_base64_decode((uint8_t *)"AAA$", 4, out, BUF_LEN); + ok(ret == KNOT_BASE64_ECHAR, "Bad data character dollar"); + ret = knot_base64_decode((uint8_t *)"AAA ", 4, out, BUF_LEN); + ok(ret == KNOT_BASE64_ECHAR, "Bad data character space"); + + return 0; +} |