/* Copyright (c) 2014, Google Inc. * * 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. * * THE 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. */ #define ESP_OPENSSL_SUPPRESS_LEGACY_WARNING #include "openssl/ssl.h" #include "unity.h" /** * @brief This simple test suite is taken from OpenSSL err_test.cc and bio_test.cc, the relevant test * cases were adopted to the supported fraction of OpenSSL port in esp-idf */ // // Basic error stack support and test // #define ERR_NUM_ERRORS 4 TEST_CASE("ErrTest, Overflow", "[openssl]") { for (unsigned i = 0; i < ERR_NUM_ERRORS*2; i++) { ERR_put_error(1, 0 /* unused */, i+1, "test", 1); } for (unsigned i = 0; i < ERR_NUM_ERRORS - 1; i++) { uint32_t err = ERR_get_error(); /* Errors are returned in order they were pushed, with the least recent ones * removed, up to |ERR_NUM_ERRORS - 1| errors. So the errors returned are * |ERR_NUM_ERRORS + 2| through |ERR_NUM_ERRORS * 2|, inclusive. */ TEST_ASSERT_NOT_EQUAL(0u, err); TEST_ASSERT_EQUAL(i + ERR_NUM_ERRORS + 2, ERR_GET_REASON(err)); } TEST_ASSERT_EQUAL(0u, ERR_get_error()); } TEST_CASE("ErrTest, PutError", "[openssl]") { TEST_ASSERT_EQUAL(0u, ERR_get_error()); // ERR_get_error returned value before an error was added. ERR_put_error(1, 0 /* unused */, 2, "test", 4); int peeked_line, line, peeked_flags, flags; const char *peeked_file, *file, *peeked_data, *data; uint32_t peeked_packed_error = ERR_peek_error_line_data(&peeked_file, &peeked_line, &peeked_data, &peeked_flags); uint32_t packed_error = ERR_get_error_line_data(&file, &line, &data, &flags); TEST_ASSERT_EQUAL(peeked_packed_error, packed_error); TEST_ASSERT_EQUAL(peeked_file, file); TEST_ASSERT_EQUAL_STRING("test", file); TEST_ASSERT_EQUAL(4, line); TEST_ASSERT_EQUAL(1, ERR_GET_LIB(packed_error)); TEST_ASSERT_EQUAL(2, ERR_GET_REASON(packed_error)); } TEST_CASE("ErrTest, ClearError", "[openssl]") { TEST_ASSERT_EQUAL(0u, ERR_get_error()); // ERR_get_error returned value before an error was added. ERR_put_error(1, 0 /* unused */, 2, "test", 4); ERR_clear_error(); // The error queue should be cleared. TEST_ASSERT_EQUAL(0u, ERR_get_error()); } // // Simplified BIO support and check // TEST_CASE("BioTest, TestPair", "[openssl]") { BIO *bio1, *bio2; TEST_ASSERT_NOT_EQUAL(0, BIO_new_bio_pair(&bio1, 10, &bio2, 10)); TEST_ASSERT_EQUAL(BIO_ctrl_get_write_guarantee(bio1), 10); // Data written in one end may be read out the other. char buf[20]; TEST_ASSERT_EQUAL(5, BIO_write(bio1, "12345", 5)); TEST_ASSERT_EQUAL(5, BIO_ctrl_get_write_guarantee(bio1)); TEST_ASSERT_EQUAL(5, BIO_read(bio2, buf, sizeof(buf))); TEST_ASSERT_EQUAL_UINT8_ARRAY("12345", buf, 5); TEST_ASSERT_EQUAL(10, BIO_ctrl_get_write_guarantee(bio1)); // Attempting to write more than 10 bytes will write partially. TEST_ASSERT_EQUAL(10, BIO_write(bio1, "1234567890___", 13)); TEST_ASSERT_EQUAL(0, BIO_ctrl_get_write_guarantee(bio1)); TEST_ASSERT_EQUAL(-1, BIO_write(bio1, "z", 1)); TEST_ASSERT_TRUE(BIO_should_write(bio1)); TEST_ASSERT_EQUAL(10, BIO_read(bio2, buf, sizeof(buf))); TEST_ASSERT_EQUAL_UINT8_ARRAY("1234567890", buf, 10); TEST_ASSERT_EQUAL(10, BIO_ctrl_get_write_guarantee(bio1)); // Unsuccessful reads update the read request. TEST_ASSERT_EQUAL(-1, BIO_read(bio2, buf, 5)); TEST_ASSERT_TRUE(BIO_should_read(bio2)); // The read request is clamped to the size of the buffer. TEST_ASSERT_EQUAL(-1, BIO_read(bio2, buf, 20)); TEST_ASSERT_TRUE(BIO_should_read(bio2)); // Data may be written and read in chunks. TEST_ASSERT_EQUAL(BIO_write(bio1, "12345", 5), 5); TEST_ASSERT_EQUAL(5, BIO_ctrl_get_write_guarantee(bio1)); TEST_ASSERT_EQUAL(5, BIO_write(bio1, "67890___", 8)); TEST_ASSERT_EQUAL(0, BIO_ctrl_get_write_guarantee(bio1)); TEST_ASSERT_EQUAL(3, BIO_read(bio2, buf, 3)); TEST_ASSERT_EQUAL_UINT8_ARRAY("123", buf, 3); TEST_ASSERT_EQUAL(3, BIO_ctrl_get_write_guarantee(bio1)); TEST_ASSERT_EQUAL(7, BIO_read(bio2, buf, sizeof(buf))); TEST_ASSERT_EQUAL_UINT8_ARRAY("4567890", buf, 7); TEST_ASSERT_EQUAL(10, BIO_ctrl_get_write_guarantee(bio1)); // Test writes and reads starting in the middle of the ring buffer and // wrapping to front. TEST_ASSERT_EQUAL(8, BIO_write(bio1, "abcdefgh", 8)); TEST_ASSERT_EQUAL(2, BIO_ctrl_get_write_guarantee(bio1)); TEST_ASSERT_EQUAL(3, BIO_read(bio2, buf, 3)); TEST_ASSERT_EQUAL_UINT8_ARRAY("abc", buf, 3); TEST_ASSERT_EQUAL(5, BIO_ctrl_get_write_guarantee(bio1)); TEST_ASSERT_EQUAL(5, BIO_write(bio1, "ijklm___", 8)); TEST_ASSERT_EQUAL(0, BIO_ctrl_get_write_guarantee(bio1)); TEST_ASSERT_EQUAL(10, BIO_read(bio2, buf, sizeof(buf))); TEST_ASSERT_EQUAL_UINT8_ARRAY("defghijklm", buf, 10); TEST_ASSERT_EQUAL(10, BIO_ctrl_get_write_guarantee(bio1)); // Data may flow from both ends in parallel. TEST_ASSERT_EQUAL(5, BIO_write(bio1, "12345", 5)); TEST_ASSERT_EQUAL(5, BIO_write(bio2, "67890", 5)); TEST_ASSERT_EQUAL(5, BIO_read(bio2, buf, sizeof(buf))); TEST_ASSERT_EQUAL_UINT8_ARRAY("12345", buf, 5); TEST_ASSERT_EQUAL(5, BIO_read(bio1, buf, sizeof(buf))); TEST_ASSERT_EQUAL_UINT8_ARRAY("67890", buf, 5); // Other tests below not imported since BIO_shutdown_wr() not supported // - Closing the write end causes an EOF on the read half, after draining. // - A closed write end may not be written to. // - The other end is still functional. }