/* * (C) 2008 by Daniel Willmann * (C) 2010 by Nico Golde * 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 #include struct log_info fake_log_info = {}; struct test_case { const uint8_t *input; const uint16_t input_length; const uint8_t *expected; const uint16_t expected_octet_length; const uint16_t expected_septet_length; const uint8_t ud_hdr_ind; }; static const char simple_text[] = "test text"; #define simple_septet_length 9 static const uint8_t simple_enc[] = { 0xf4, 0xf2, 0x9c, 0x0e, 0xa2, 0x97, 0xf1, 0x74 }; static const char escape_text[] = "!$ a more#^- complicated test@@?_%! case"; #define escape_septet_length 41 /* note: the ^ counts as two, because it is a extension character */ static const uint8_t escape_enc[] = { 0x21, 0x01, 0x28, 0x0c, 0x6a, 0xbf, 0xe5, 0xe5, 0xd1, 0x86, 0xd2, 0x02, 0x8d, 0xdf, 0x6d, 0x38, 0x3b, 0x3d, 0x0e, 0xd3, 0xcb, 0x64, 0x10, 0xbd, 0x3c, 0xa7, 0x03, 0x00, 0xbf, 0x48, 0x29, 0x04, 0x1a, 0x87, 0xe7, 0x65, }; static const char enhanced_text[] = "enhanced ^ {][} test |+~ ^ test"; #define enhanced_septet_length 39 /* note: the characters { } [ ] ^ | ~ count as two (each of them), because they are extension characters */ static const uint8_t enhanced_enc[] = { 0x65, 0x37, 0x3A, 0xEC, 0x1E, 0x97, 0xC9, 0xA0, 0x0D, 0x05, 0xB4, 0x41, 0x6D, 0x7C, 0x1B, 0xDE, 0x26, 0x05, 0xA2, 0x97, 0xE7, 0x74, 0xD0, 0x06, 0xB8, 0xDA, 0xF4, 0x40, 0x1B, 0x0A, 0x88, 0x5E, 0x9E, 0xD3, 0x01, }; static const char enhancedV2_text[] = "enhanced ^ {][} test |+~ ^ tests"; #define enhancedV2_septet_length 40 /* note: number of octets are equal to the enhanced_text! */ static const uint8_t enhancedV2_enc[] = { 0x65, 0x37, 0x3A, 0xEC, 0x1E, 0x97, 0xC9, 0xA0, 0x0D, 0x05, 0xB4, 0x41, 0x6D, 0x7C, 0x1B, 0xDE, 0x26, 0x05, 0xA2, 0x97, 0xE7, 0x74, 0xD0, 0x06, 0xB8, 0xDA, 0xF4, 0x40, 0x1B, 0x0A, 0x88, 0x5E, 0x9E, 0xD3, 0xE7, }; static const char concatenated_text[] = "this is a testmessage. this is a testmessage. this is a testmessage. this is a testmessage. " "this is a testmessage. this is a testmessage. cut here .....: this is a second testmessage. end here."; static const char splitted_text_part1[] = "this is a testmessage. this is a testmessage. this is a testmessage. this is a testmessage. " "this is a testmessage. this is a testmessage. cut here .....:"; #define concatenated_part1_septet_length_with_header 160 #define concatenated_part1_septet_length 153 static const uint8_t concatenated_part1_enc[] = { 0x05, 0x00, 0x03, 0x6f, 0x02, 0x01, 0xe8, 0xe8, 0xf4, 0x1c, 0x94, 0x9e, 0x83, 0xc2, 0x20, 0x7a, 0x79, 0x4e, 0x6f, 0x97, 0xe7, 0xf3, 0xf0, 0xb9, 0xec, 0x02, 0xd1, 0xd1, 0xe9, 0x39, 0x28, 0x3d, 0x07, 0x85, 0x41, 0xf4, 0xf2, 0x9c, 0xde, 0x2e, 0xcf, 0xe7, 0xe1, 0x73, 0xd9, 0x05, 0xa2, 0xa3, 0xd3, 0x73, 0x50, 0x7a, 0x0e, 0x0a, 0x83, 0xe8, 0xe5, 0x39, 0xbd, 0x5d, 0x9e, 0xcf, 0xc3, 0xe7, 0xb2, 0x0b, 0x44, 0x47, 0xa7, 0xe7, 0xa0, 0xf4, 0x1c, 0x14, 0x06, 0xd1, 0xcb, 0x73, 0x7a, 0xbb, 0x3c, 0x9f, 0x87, 0xcf, 0x65, 0x17, 0x88, 0x8e, 0x4e, 0xcf, 0x41, 0xe9, 0x39, 0x28, 0x0c, 0xa2, 0x97, 0xe7, 0xf4, 0x76, 0x79, 0x3e, 0x0f, 0x9f, 0xcb, 0x2e, 0x10, 0x1d, 0x9d, 0x9e, 0x83, 0xd2, 0x73, 0x50, 0x18, 0x44, 0x2f, 0xcf, 0xe9, 0xed, 0xf2, 0x7c, 0x1e, 0x3e, 0x97, 0x5d, 0xa0, 0x71, 0x9d, 0x0e, 0x42, 0x97, 0xe5, 0x65, 0x90, 0xcb, 0xe5, 0x72, 0xb9, 0x74, }; static const char splitted_text_part2[] = " this is a second testmessage. end here."; #define concatenated_part2_septet_length_with_header 47 #define concatenated_part2_septet_length 40 static const uint8_t concatenated_part2_enc[] = { 0x05, 0x00, 0x03, 0x6f, 0x02, 0x02, 0x40, 0x74, 0x74, 0x7a, 0x0e, 0x4a, 0xcf, 0x41, 0x61, 0xd0, 0xbc, 0x3c, 0x7e, 0xbb, 0xc9, 0x20, 0x7a, 0x79, 0x4e, 0x6f, 0x97, 0xe7, 0xf3, 0xf0, 0xb9, 0xec, 0x02, 0x95, 0xdd, 0x64, 0x10, 0xba, 0x2c, 0x2f, 0xbb, 0x00, }; static const struct test_case test_multiple_encode[] = { { .input = (const uint8_t *) concatenated_text, .expected = concatenated_part1_enc, .expected_octet_length = sizeof(concatenated_part1_enc), .expected_septet_length = concatenated_part1_septet_length, .ud_hdr_ind = 1, }, { .input = (const uint8_t *) concatenated_text, .expected = concatenated_part2_enc, .expected_octet_length = sizeof(concatenated_part2_enc), .expected_septet_length = concatenated_part2_septet_length, .ud_hdr_ind = 1, }, }; static const struct test_case test_encode[] = { { .input = (const uint8_t *) simple_text, .expected = simple_enc, .expected_octet_length = sizeof(simple_enc), .expected_septet_length = simple_septet_length, .ud_hdr_ind = 0, }, { .input = (const uint8_t *) escape_text, .expected = escape_enc, .expected_octet_length = sizeof(escape_enc), .expected_septet_length = escape_septet_length, .ud_hdr_ind = 0, }, { .input = (const uint8_t *) enhanced_text, .expected = enhanced_enc, .expected_octet_length = sizeof(enhanced_enc), .expected_septet_length = enhanced_septet_length, .ud_hdr_ind = 0, }, { .input = (const uint8_t *) enhancedV2_text, .expected = enhancedV2_enc, .expected_octet_length = sizeof(enhancedV2_enc), .expected_septet_length = enhancedV2_septet_length, .ud_hdr_ind = 0, }, }; static const struct test_case test_decode[] = { { .input = simple_enc, .input_length = sizeof(simple_enc), .expected = (const uint8_t *) simple_text, .expected_septet_length = simple_septet_length, .ud_hdr_ind = 0, }, { .input = escape_enc, .input_length = sizeof(escape_enc), .expected = (const uint8_t *) escape_text, .expected_septet_length = escape_septet_length, .ud_hdr_ind = 0, }, { .input = enhanced_enc, .input_length = sizeof(enhanced_enc), .expected = (const uint8_t *) enhanced_text, .expected_septet_length = enhanced_septet_length, .ud_hdr_ind = 0, }, { .input = enhancedV2_enc, .input_length = sizeof(enhancedV2_enc), .expected = (const uint8_t *) enhancedV2_text, .expected_septet_length = enhancedV2_septet_length, .ud_hdr_ind = 0, }, { .input = concatenated_part1_enc, .input_length = sizeof(concatenated_part1_enc), .expected = (const uint8_t *) splitted_text_part1, .expected_septet_length = concatenated_part1_septet_length_with_header, .ud_hdr_ind = 1, }, { .input = concatenated_part2_enc, .input_length = sizeof(concatenated_part2_enc), .expected = (const uint8_t *) splitted_text_part2, .expected_septet_length = concatenated_part2_septet_length_with_header, .ud_hdr_ind = 1, }, }; static void test_octet_return() { char out[256]; int oct, septets; printf("Encoding some tests and printing number of septets/octets\n"); septets = gsm_7bit_encode_n((uint8_t *) out, sizeof(out), "test1234", &oct); printf("SEPTETS: %d OCTETS: %d\n", septets, oct); printf("Done\n"); } static void test_gen_oa(void) { uint8_t oa[12]; int len; printf("Testing gsm340_gen_oa\n"); /* first try... */ len = gsm340_gen_oa(oa, ARRAY_SIZE(oa), GSM340_TYPE_UNKNOWN, GSM340_PLAN_ISDN, "12345678901234567891"); OSMO_ASSERT(len == 12); printf("Result: len(%d) data(%s)\n", len, osmo_hexdump(oa, len)); len = gsm340_gen_oa(oa, ARRAY_SIZE(oa), GSM340_TYPE_NATIONAL, GSM340_PLAN_ISDN, "12345678901234567891"); OSMO_ASSERT(len == 12); printf("Result: len(%d) data(%s)\n", len, osmo_hexdump(oa, len)); /* long input.. will fail and just prints the header*/ len = gsm340_gen_oa(oa, ARRAY_SIZE(oa), GSM340_TYPE_INTERNATIONAL, GSM340_PLAN_ISDN, "123456789123456789120"); OSMO_ASSERT(len == 2); printf("Result: len(%d) data(%s)\n", len, osmo_hexdump(oa, len)); /* try the alpha numeric encoding */ len = gsm340_gen_oa(oa, ARRAY_SIZE(oa), GSM340_TYPE_ALPHA_NUMERIC, GSM340_PLAN_UNKNOWN, "OpenBSC"); OSMO_ASSERT(len == 9); printf("Result: len(%d) data(%s)\n", len, osmo_hexdump(oa, len)); /* long alpha numeric text */ len = gsm340_gen_oa(oa, ARRAY_SIZE(oa), GSM340_TYPE_ALPHA_NUMERIC, GSM340_PLAN_UNKNOWN, "OpenBSCabcdefghijklm"); OSMO_ASSERT(len == 12); printf("Result: len(%d) data(%s)\n", len, osmo_hexdump(oa, len)); } int main(int argc, char** argv) { printf("SMS testing\n"); uint8_t i; uint16_t buffer_size; uint8_t octet_length; int octets_written; uint8_t computed_octet_length; uint8_t septet_length; uint8_t coded[256]; uint8_t tmp[160]; uint8_t septet_data[256]; int nchars; char result[256]; /* Fake logging. */ osmo_init_logging(&fake_log_info); /* test 7-bit encoding */ for (i = 0; i < ARRAY_SIZE(test_encode); ++i) { /* Test legacy function (return value only) */ septet_length = gsm_7bit_encode(coded, (const char *) test_encode[i].input); printf("Legacy encode case %d: " "septet length %d (expected %d)\n" , i , septet_length, test_encode[i].expected_septet_length ); OSMO_ASSERT (septet_length == test_encode[i].expected_septet_length); /* Test new function */ memset(coded, 0x42, sizeof(coded)); septet_length = gsm_7bit_encode_n(coded, sizeof(coded), (const char *) test_encode[i].input, &octets_written); computed_octet_length = gsm_get_octet_len(septet_length); printf("Encode case %d: " "Octet length %d (expected %d, computed %d), " "septet length %d (expected %d)\n" , i , octets_written, test_encode[i].expected_octet_length, computed_octet_length , septet_length, test_encode[i].expected_septet_length ); OSMO_ASSERT (octets_written == test_encode[i].expected_octet_length); OSMO_ASSERT (octets_written == computed_octet_length); OSMO_ASSERT (memcmp(coded, test_encode[i].expected, octets_written) == 0); OSMO_ASSERT (septet_length == test_encode[i].expected_septet_length); /* check buffer limiting */ memset(coded, 0xaa, sizeof(coded)); for (buffer_size = 0; buffer_size < test_encode[i].expected_octet_length + 1 && buffer_size < sizeof(coded) - 1; ++buffer_size) { gsm_7bit_encode_n(coded, buffer_size, (const char *) test_encode[i].input, &octets_written); OSMO_ASSERT(octets_written <= buffer_size); OSMO_ASSERT(coded[buffer_size] == 0xaa); } } /* Test: encode multiple SMS */ int number_of_septets = gsm_septet_encode(septet_data, (const char *) test_multiple_encode[0].input); (void) number_of_septets; /* SMS part 1 */ memset(tmp, 0x42, sizeof(tmp)); memset(coded, 0x42, sizeof(coded)); memcpy(tmp, septet_data, concatenated_part1_septet_length); /* In our case: test_multiple_decode[0].ud_hdr_ind equals number of padding bits*/ octet_length = gsm_septets2octets(coded, tmp, concatenated_part1_septet_length, test_multiple_encode[0].ud_hdr_ind); /* copy header */ memset(tmp, 0x42, sizeof(tmp)); int udh_length = test_multiple_encode[0].expected[0] + 1; memcpy(tmp, test_multiple_encode[0].expected, udh_length); memcpy(tmp + udh_length, coded, octet_length); memset(coded, 0x42, sizeof(coded)); memcpy(coded, tmp, octet_length + 6); OSMO_ASSERT(memcmp(coded, test_multiple_encode[0].expected, octet_length) == 0); /* SMS part 2 */ memset(tmp, 0x42, sizeof(tmp)); memset(coded, 0x42, sizeof(coded)); memcpy(tmp, septet_data + concatenated_part1_septet_length, concatenated_part2_septet_length); /* In our case: test_multiple_decode[1].ud_hdr_ind equals number of padding bits*/ octet_length = gsm_septets2octets(coded, tmp, concatenated_part2_septet_length, test_multiple_encode[1].ud_hdr_ind); /* copy header */ memset(tmp, 0x42, sizeof(tmp)); udh_length = test_multiple_encode[1].expected[0] + 1; memcpy(tmp, test_multiple_encode[1].expected, udh_length); memcpy(tmp + udh_length, coded, octet_length); memset(coded, 0x42, sizeof(coded)); memcpy(coded, tmp, octet_length + 6); OSMO_ASSERT(memcmp(coded, test_multiple_encode[1].expected, octet_length) == 0); /* test 7-bit decoding */ for (i = 0; i < ARRAY_SIZE(test_decode); ++i) { /* Test legacy function (return value only) */ if (!test_decode[i].ud_hdr_ind) { nchars = gsm_7bit_decode(result, test_decode[i].input, test_decode[i].expected_septet_length); printf("Legacy decode case %d: " "return value %d (expected %d)\n", i, nchars, test_decode[i].expected_septet_length); } /* Test new function */ memset(result, 0x42, sizeof(result)); nchars = gsm_7bit_decode_n_hdr(result, sizeof(result), test_decode[i].input, test_decode[i].expected_septet_length, test_decode[i].ud_hdr_ind); printf("Decode case %d: return value %d (expected %zu)\n", i, nchars, strlen(result)); OSMO_ASSERT(strcmp(result, (const char *) test_decode[i].expected) == 0); OSMO_ASSERT(nchars == strlen(result)); /* check buffer limiting */ memset(result, 0xaa, sizeof(result)); for (buffer_size = 1; buffer_size < test_decode[i].expected_septet_length + 1 && buffer_size < sizeof(result) - 1; ++buffer_size) { nchars = gsm_7bit_decode_n_hdr(result, buffer_size, test_decode[i].input, test_decode[i].expected_septet_length, test_decode[i].ud_hdr_ind); OSMO_ASSERT(nchars <= buffer_size); OSMO_ASSERT(result[buffer_size] == (char)0xaa); OSMO_ASSERT(result[nchars] == '\0'); } } test_octet_return(); test_gen_oa(); printf("OK\n"); return 0; }