/* tests for utilities of libmsomcore */ /* * (C) 2014 Holger Hans Peter Freyther * * All Rights Reserved * * 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 2 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, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * */ #include #include #include #include #include #include #include #include #include static void hexdump_test(void) { uint8_t data[4098]; int i; for (i = 0; i < ARRAY_SIZE(data); ++i) data[i] = i & 0xff; printf("Plain dump\n"); printf("%s\n", osmo_hexdump(data, 4)); printf("Corner case\n"); printf("%s\n", osmo_hexdump(data, ARRAY_SIZE(data))); printf("%s\n", osmo_hexdump_nospc(data, ARRAY_SIZE(data))); } static void hexparse_test(void) { int i; int rc; uint8_t data[256]; printf("\nHexparse 0..255 in lower case\n"); memset(data, 0, sizeof(data)); rc = osmo_hexparse( "000102030405060708090a0b0c0d0e0f" "101112131415161718191a1b1c1d1e1f" "202122232425262728292a2b2c2d2e2f" "303132333435363738393a3b3c3d3e3f" "404142434445464748494a4b4c4d4e4f" "505152535455565758595a5b5c5d5e5f" "606162636465666768696a6b6c6d6e6f" "707172737475767778797a7b7c7d7e7f" "808182838485868788898a8b8c8d8e8f" "909192939495969798999a9b9c9d9e9f" "a0a1a2a3a4a5a6a7a8a9aaabacadaeaf" "b0b1b2b3b4b5b6b7b8b9babbbcbdbebf" "c0c1c2c3c4c5c6c7c8c9cacbcccdcecf" "d0d1d2d3d4d5d6d7d8d9dadbdcdddedf" "e0e1e2e3e4e5e6e7e8e9eaebecedeeef" "f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff" , data, sizeof(data)); printf("rc = %d\n", rc); printf("--> %s\n\n", osmo_hexdump(data, sizeof(data))); for (i = 0; i < sizeof(data); i++) OSMO_ASSERT(data[i] == i); printf("Hexparse 0..255 in upper case\n"); memset(data, 0, sizeof(data)); rc = osmo_hexparse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data, sizeof(data)); printf("rc = %d\n", rc); printf("--> %s\n\n", osmo_hexdump(data, sizeof(data))); for (i = 0; i < sizeof(data); i++) OSMO_ASSERT(data[i] == i); printf("Hexparse 0..255 in mixed case\n"); memset(data, 0, sizeof(data)); rc = osmo_hexparse( "000102030405060708090A0B0C0D0E0F" "101112131415161718191A1B1C1D1E1F" "202122232425262728292A2B2C2D2E2F" "303132333435363738393a3b3c3d3e3f" "404142434445464748494A4B4C4D4E4F" "505152535455565758595a5b5c5d5e5f" "606162636465666768696A6B6C6D6E6F" "707172737475767778797A7B7C7D7E7F" "808182838485868788898A8B8C8D8E8F" "909192939495969798999A9B9C9D9E9F" "A0A1A2A3a4a5a6a7a8a9AAABACADAEAF" "B0B1B2B3b4b5b6b7b8b9BABBBCBDBEBF" "C0C1C2C3c4c5c6c7c8c9CACBCCCDCECF" "D0D1D2D3d4d5d6d7d8d9DADBDCDDDEDF" "E0E1E2E3e4e5e6e7e8e9EAEBECEDEEEF" "F0F1F2F3f4f5f6f7f8f9FAFBFCFDFEFF" , data, sizeof(data)); printf("rc = %d\n", rc); printf("--> %s\n\n", osmo_hexdump(data, sizeof(data))); for (i = 0; i < sizeof(data); i++) OSMO_ASSERT(data[i] == i); printf("Hexparse 0..255 with whitespace\n"); memset(data, 0, sizeof(data)); rc = osmo_hexparse( "00 01\t02\r030405060708090A0B0C0D0 E 0 F\n" "10 11\t12\r131415161718191A1B1C1D1 E 1 F\n" "20 21\t22\r232425262728292A2B2C2D2 E 2 F\n" "30 31\t32\r333435363738393a3b3c3d3 e 3 f\n" "40 41\t42\r434445464748494A4B4C4D4 E 4 F\n" "50 51\t52\r535455565758595a5b5c5d5 e 5 f\n" "60 61\t62\r636465666768696A6B6C6D6 E 6 F\n" "70 71\t72\r737475767778797A7B7C7D7 E 7 F\n" "80 81\t82\r838485868788898A8B8C8D8 E 8 F\n" "90 91\t92\r939495969798999A9B9C9D9 E 9 F\n" "A0 A1\tA2\rA3a4a5a6a7a8a9AAABACADA E A F\n" "B0 B1\tB2\rB3b4b5b6b7b8b9BABBBCBDB E B F\n" "C0 C1\tC2\rC3c4c5c6c7c8c9CACBCCCDC E C F \n" "D0 D1\tD2\rD3d4d5d6d7d8d9DADBDCDDD E D F\t\n" "E0 E1\tE2\rE3e4e5e6e7e8e9EAEBECEDE E E F \t\n" "F0 F1\tF2\rF3f4f5f6f7f8f9FAFBFCFDF E F F \t\r\n" , data, sizeof(data)); printf("rc = %d\n", rc); printf("--> %s\n\n", osmo_hexdump(data, sizeof(data))); for (i = 0; i < sizeof(data); i++) OSMO_ASSERT(data[i] == i); printf("Hexparse with buffer too short\n"); memset(data, 0, sizeof(data)); rc = osmo_hexparse("000102030405060708090a0b0c0d0e0f", data, 15); printf("rc = %d\n", rc); printf("Hexparse with uneven amount of digits\n"); memset(data, 0, sizeof(data)); rc = osmo_hexparse("000102030405060708090a0b0c0d0e0", data, 16); printf("rc = %d\n", rc); printf("Hexparse with invalid char\n"); memset(data, 0, sizeof(data)); rc = osmo_hexparse("0001020304050X0708090a0b0c0d0e0f", data, 16); printf("rc = %d\n", rc); } static void test_idtag_parsing(void) { struct tlv_parsed tvp; int rc; static uint8_t data[] = { 0x01, 0x08, 0x01, 0x07, 0x01, 0x02, 0x01, 0x03, 0x01, 0x04, 0x01, 0x05, 0x01, 0x01, 0x01, 0x00, 0x11, 0x23, 0x4e, 0x6a, 0x28, 0xd2, 0xa2, 0x53, 0x3a, 0x2a, 0x82, 0xa7, 0x7a, 0xef, 0x29, 0xd4, 0x44, 0x30, 0x11, 0x24, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; rc = ipa_ccm_idtag_parse_off(&tvp, data, sizeof(data), 1); OSMO_ASSERT(rc == 0); OSMO_ASSERT(TLVP_PRESENT(&tvp, 8)); OSMO_ASSERT(TLVP_LEN(&tvp, 8) == 0); OSMO_ASSERT(TLVP_PRESENT(&tvp, 7)); OSMO_ASSERT(TLVP_LEN(&tvp, 7) == 0); OSMO_ASSERT(TLVP_PRESENT(&tvp, 2)); OSMO_ASSERT(TLVP_LEN(&tvp, 2) == 0); OSMO_ASSERT(TLVP_PRESENT(&tvp, 3)); OSMO_ASSERT(TLVP_LEN(&tvp, 3) == 0); OSMO_ASSERT(TLVP_PRESENT(&tvp, 4)); OSMO_ASSERT(TLVP_LEN(&tvp, 4) == 0); OSMO_ASSERT(TLVP_PRESENT(&tvp, 5)); OSMO_ASSERT(TLVP_LEN(&tvp, 5) == 0); OSMO_ASSERT(TLVP_PRESENT(&tvp, 1)); OSMO_ASSERT(TLVP_LEN(&tvp, 1) == 0); OSMO_ASSERT(TLVP_PRESENT(&tvp, 0)); OSMO_ASSERT(TLVP_LEN(&tvp, 0) == 0); OSMO_ASSERT(TLVP_PRESENT(&tvp, 0x23)); OSMO_ASSERT(TLVP_LEN(&tvp, 0x23) == 16); OSMO_ASSERT(TLVP_PRESENT(&tvp, 0x24)); OSMO_ASSERT(TLVP_LEN(&tvp, 0x24) == 16); OSMO_ASSERT(!TLVP_PRESENT(&tvp, 0x25)); } static struct { const char *str; int min_digits; int max_digits; bool require_even; bool expect_ok; } test_hexstrs[] = { { NULL, 0, 10, false, true }, { NULL, 1, 10, false, false }, { "", 0, 10, false, true }, { "", 1, 10, false, false }, { " ", 0, 10, false, false }, { "1", 0, 10, false, true }, { "1", 1, 10, false, true }, { "1", 1, 10, true, false }, { "1", 2, 10, false, false }, { "123", 1, 10, false, true }, { "123", 1, 10, true, false }, { "123", 4, 10, false, false }, { "1234", 4, 10, true, true }, { "12345", 4, 10, true, false }, { "123456", 4, 10, true, true }, { "1234567", 4, 10, true, false }, { "12345678", 4, 10, true, true }, { "123456789", 4, 10, true, false }, { "123456789a", 4, 10, true, true }, { "123456789ab", 4, 10, true, false }, { "123456789abc", 4, 10, true, false }, { "123456789ab", 4, 10, false, false }, { "123456789abc", 4, 10, false, false }, { "0123456789abcdefABCDEF", 0, 100, false, true }, { "0123456789 abcdef ABCDEF", 0, 100, false, false }, { "foobar", 0, 100, false, false }, { "BeadedBeeAced1EbbedDefacedFacade", 32, 32, true, true }, { "C01ffedC1cadaeAc1d1f1edAcac1aB0a", 32, 32, false, true }, { "DeafBeddedBabeAcceededFadedDecaff", 32, 32, false, false }, }; bool test_is_hexstr() { int i; bool pass = true; bool ok = true; printf("\n----- %s\n", __func__); for (i = 0; i < ARRAY_SIZE(test_hexstrs); i++) { ok = osmo_is_hexstr(test_hexstrs[i].str, test_hexstrs[i].min_digits, test_hexstrs[i].max_digits, test_hexstrs[i].require_even); pass = pass && (ok == test_hexstrs[i].expect_ok); printf("%2d: %s str='%s' min=%d max=%d even=%d expect=%s\n", i, test_hexstrs[i].expect_ok == ok ? "pass" : "FAIL", test_hexstrs[i].str, test_hexstrs[i].min_digits, test_hexstrs[i].max_digits, test_hexstrs[i].require_even, test_hexstrs[i].expect_ok ? "valid" : "invalid"); } return pass; } struct bcdcheck { uint8_t bcd; char ch; }; static const struct bcdcheck bcdchecks[] = { { 0, '0' }, { 1, '1' }, { 2, '2' }, { 3, '3' }, { 4, '4' }, { 5, '5' }, { 6, '6' }, { 7, '7' }, { 8, '8' }, { 9, '9' }, { 0xA, 'A' }, { 0xB, 'B' }, { 0xC, 'C' }, { 0xD, 'D' }, { 0xE, 'E' }, { 0xF, 'F' }, }; static void bcd_test(void) { int i; printf("\nTesting BCD conversion\n"); for (i = 0; i < ARRAY_SIZE(bcdchecks); i++) { const struct bcdcheck *check = &bcdchecks[i]; char ch = osmo_bcd2char(check->bcd); printf("\tval=0x%x, expected=%c, found=%c\n", check->bcd, check->ch, ch); OSMO_ASSERT(osmo_bcd2char(check->bcd) == check->ch); /* test char -> bcd back-coversion */ OSMO_ASSERT(osmo_char2bcd(ch) == check->bcd); /* test for lowercase hex char */ OSMO_ASSERT(osmo_char2bcd(tolower(ch)) == check->bcd); } } static void str_escape_test(void) { int i; int j; uint8_t in_buf[32]; char out_buf[11]; const char *printable = "printable"; const char *res; printf("\nTesting string escaping\n"); printf("- all chars from 0 to 255 in batches of 16:\n"); in_buf[16] = '\0'; for (j = 0; j < 16; j++) { for (i = 0; i < 16; i++) in_buf[i] = (j << 4) | i; printf("\"%s\"\n", osmo_escape_str((const char*)in_buf, 16)); } printf("- nul terminated:\n"); printf("\"%s\"\n", osmo_escape_str("termi\nated", -1)); printf("- passthru:\n"); res = osmo_escape_str(printable, -1); if (res != printable) printf("NOT passed through! \"%s\"\n", res); else printf("passed through unchanged \"%s\"\n", res); printf("- zero length:\n"); printf("\"%s\"\n", osmo_escape_str("omitted", 0)); printf("- truncation when too long:\n"); memset(in_buf, 'x', sizeof(in_buf)); in_buf[0] = '\a'; in_buf[7] = 'E'; memset(out_buf, 0x7f, sizeof(out_buf)); printf("\"%s\"\n", osmo_escape_str_buf((const char *)in_buf, sizeof(in_buf), out_buf, 10)); OSMO_ASSERT(out_buf[10] == 0x7f); printf("- passthrough without truncation when no escaping needed:\n"); memset(in_buf, 'x', sizeof(in_buf)); in_buf[19] = 'E'; in_buf[20] = '\0'; memset(out_buf, 0x7f, sizeof(out_buf)); printf("\"%s\"\n", osmo_escape_str_buf((const char *)in_buf, -1, out_buf, 10)); OSMO_ASSERT(out_buf[0] == 0x7f); } static void str_quote_test(void) { int i; int j; uint8_t in_buf[32]; char out_buf[11]; const char *printable = "printable"; const char *res; printf("\nTesting string quoting\n"); printf("- all chars from 0 to 255 in batches of 16:\n"); in_buf[16] = '\0'; for (j = 0; j < 16; j++) { for (i = 0; i < 16; i++) in_buf[i] = (j << 4) | i; printf("'%s'\n", osmo_quote_str((const char*)in_buf, 16)); } printf("- nul terminated:\n"); printf("'%s'\n", osmo_quote_str("termi\nated", -1)); printf("- never passthru:\n"); res = osmo_quote_str(printable, -1); if (res != printable) printf("NOT passed through. '%s'\n", res); else printf("passed through unchanged '%s'\n", res); printf("- zero length:\n"); printf("'%s'\n", osmo_quote_str("omitted", 0)); printf("- truncation when too long:\n"); memset(in_buf, 'x', sizeof(in_buf)); in_buf[0] = '\a'; in_buf[5] = 'E'; memset(out_buf, 0x7f, sizeof(out_buf)); printf("'%s'\n", osmo_quote_str_buf((const char *)in_buf, sizeof(in_buf), out_buf, 10)); OSMO_ASSERT(out_buf[10] == 0x7f); printf("- always truncation, even when no escaping needed:\n"); memset(in_buf, 'x', sizeof(in_buf)); in_buf[6] = 'E'; /* dst has 10, less 2 quotes and nul, leaves 7, i.e. in[6] is last */ in_buf[20] = '\0'; memset(out_buf, 0x7f, sizeof(out_buf)); printf("'%s'\n", osmo_quote_str_buf((const char *)in_buf, -1, out_buf, 10)); OSMO_ASSERT(out_buf[0] == '"'); printf("- try to feed too little buf for quoting:\n"); printf("'%s'\n", osmo_quote_str_buf("", -1, out_buf, 2)); printf("- NULL string becomes a \"NULL\" literal:\n"); printf("'%s'\n", osmo_quote_str_buf(NULL, -1, out_buf, 10)); } static void isqrt_test(void) { int i; printf("\nTesting integer square-root\n"); srand(time(NULL)); for (i = 0; i < 1024; i++) { uint16_t x; uint32_t r = rand(); if (RAND_MAX < UINT16_MAX) x = r * (UINT16_MAX/RAND_MAX); else x = r; uint32_t sq = (uint32_t)x*x; uint32_t y = osmo_isqrt32(sq); if (y != x) printf("ERROR: x=%u, sq=%u, osmo_isqrt(%u) = %u\n", x, sq, sq, y); } } struct osmo_sockaddr_to_str_and_uint_test_case { uint16_t port; bool omit_port; const char *addr; unsigned int addr_len; bool omit_addr; unsigned int expect_rc; const char *expect_returned_addr; }; struct osmo_sockaddr_to_str_and_uint_test_case osmo_sockaddr_to_str_and_uint_test_data[] = { { .port = 0, .addr = "0.0.0.0", .addr_len = 20, .expect_rc = 7, }, { .port = 65535, .addr = "255.255.255.255", .addr_len = 20, .expect_rc = 15, }, { .port = 1234, .addr = "234.23.42.123", .addr_len = 20, .expect_rc = 13, }, { .port = 1234, .addr = "234.23.42.123", .addr_len = 10, .expect_rc = 13, .expect_returned_addr = "234.23.42", }, { .port = 1234, .omit_port = true, .addr = "234.23.42.123", .addr_len = 20, .expect_rc = 13, }, { .port = 1234, .addr = "234.23.42.123", .omit_addr = true, .expect_rc = 0, .expect_returned_addr = "", }, { .port = 1234, .addr = "234.23.42.123", .addr_len = 0, .expect_rc = 13, .expect_returned_addr = "", }, { .port = 1234, .addr = "234.23.42.123", .omit_port = true, .omit_addr = true, .expect_rc = 0, .expect_returned_addr = "", }, }; static void osmo_sockaddr_to_str_and_uint_test(void) { int i; printf("\n%s\n", __func__); for (i = 0; i < ARRAY_SIZE(osmo_sockaddr_to_str_and_uint_test_data); i++) { struct osmo_sockaddr_to_str_and_uint_test_case *t = &osmo_sockaddr_to_str_and_uint_test_data[i]; struct sockaddr_in sin = { .sin_family = AF_INET, .sin_port = htons(t->port), }; inet_aton(t->addr, &sin.sin_addr); char addr[20] = {}; uint16_t port = 0; unsigned int rc; rc = osmo_sockaddr_to_str_and_uint( t->omit_addr? NULL : addr, t->addr_len, t->omit_port? NULL : &port, (const struct sockaddr*)&sin); printf("[%d] %s:%u%s%s addr_len=%u --> %s:%u rc=%u\n", i, t->addr ? : "-", t->port, t->omit_addr ? " (omit addr)" : "", t->omit_port ? " (omit port)" : "", t->addr_len, addr, port, rc); if (rc != t->expect_rc) printf("ERROR: Expected rc = %u\n", t->expect_rc); if (!t->expect_returned_addr) t->expect_returned_addr = t->addr; if (strcmp(t->expect_returned_addr, addr)) printf("ERROR: Expected addr = '%s'\n", t->expect_returned_addr); if (!t->omit_port && port != t->port) printf("ERROR: Expected port = %u\n", t->port); } } int main(int argc, char **argv) { static const struct log_info log_info = {}; log_init(&log_info, NULL); hexdump_test(); hexparse_test(); test_idtag_parsing(); test_is_hexstr(); bcd_test(); str_escape_test(); str_quote_test(); isqrt_test(); osmo_sockaddr_to_str_and_uint_test(); return 0; }