Harald Welte | 77847ad | 2015-10-06 22:07:04 +0200 | [diff] [blame] | 1 | /* some humble start of unit testing */ |
| 2 | |
| 3 | /* (C) 2015 by Harald Welte <laforge@gnumonks.org> |
| 4 | * All Rights Reserved |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU Affero General Public License as published by |
| 8 | * the Free Software Foundation; either version 3 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU Affero General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU Affero General Public License |
| 17 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 18 | * |
| 19 | */ |
| 20 | |
| 21 | |
Harald Welte | 35cbc11 | 2015-09-11 17:36:59 +0200 | [diff] [blame] | 22 | #include "iu_helpers.h" |
| 23 | #include "asn1helpers.h" |
| 24 | |
| 25 | #include <assert.h> |
| 26 | #define ASSERT(x) assert(x) |
| 27 | |
| 28 | #include <osmocom/core/utils.h> |
| 29 | |
| 30 | void *talloc_asn1_ctx; |
| 31 | |
| 32 | /* use odd number of digits */ |
| 33 | const uint8_t imsi_encoded[] = { 0x10, 0x32, 0x54, 0x76, 0xF8 }; |
| 34 | const char imsi_decoded[] = "012345678"; |
| 35 | |
Daniel Willmann | 54a9a14 | 2015-11-23 14:01:25 +0100 | [diff] [blame] | 36 | void test_iu_helpers(void) |
Harald Welte | 35cbc11 | 2015-09-11 17:36:59 +0200 | [diff] [blame] | 37 | { |
| 38 | char outstr[32]; |
| 39 | uint8_t outbuf[16]; |
| 40 | int rc; |
| 41 | |
Daniel Willmann | 54a9a14 | 2015-11-23 14:01:25 +0100 | [diff] [blame] | 42 | printf("Testing Iu helper functions\n"); |
| 43 | |
Harald Welte | 35cbc11 | 2015-09-11 17:36:59 +0200 | [diff] [blame] | 44 | printf("pre-encoded: %s\n", osmo_hexdump_nospc(imsi_encoded, |
| 45 | sizeof(imsi_encoded))); |
| 46 | rc = decode_iu_bcd(outstr, sizeof(outstr), imsi_encoded, |
| 47 | sizeof(imsi_encoded)); |
| 48 | ASSERT(rc >= 0); |
| 49 | printf("decoded: %s\n", outstr); |
| 50 | ASSERT(!strcmp(outstr, imsi_decoded)); |
| 51 | |
| 52 | rc = encode_iu_imsi(outbuf, sizeof(outbuf), imsi_decoded); |
| 53 | ASSERT(rc >= 0); |
| 54 | printf("re-encoded: %s\n", osmo_hexdump_nospc(outbuf, rc)); |
| 55 | ASSERT(!memcmp(outbuf, imsi_encoded, sizeof(imsi_encoded))); |
Daniel Willmann | 54a9a14 | 2015-11-23 14:01:25 +0100 | [diff] [blame] | 56 | } |
| 57 | |
Daniel Willmann | b2548fb | 2015-11-30 16:24:57 +0100 | [diff] [blame] | 58 | const uint32_t val1 = 0xdeadbeef; |
Daniel Willmann | 54a9a14 | 2015-11-23 14:01:25 +0100 | [diff] [blame] | 59 | |
Daniel Willmann | ec0e50e | 2015-11-23 15:48:59 +0100 | [diff] [blame] | 60 | const OCTET_STRING_t text1 = { |
| 61 | .buf = "0123456789012345", |
| 62 | .size = 16, |
| 63 | }; |
| 64 | |
Daniel Willmann | 8ea918d | 2015-11-23 15:50:06 +0100 | [diff] [blame] | 65 | const OCTET_STRING_t text2 = { |
| 66 | .buf = "01234567890123456789012345678901234567890", |
| 67 | .size = 40, |
| 68 | }; |
| 69 | |
Daniel Willmann | 54a9a14 | 2015-11-23 14:01:25 +0100 | [diff] [blame] | 70 | void test_asn1_helpers(void) |
| 71 | { |
Daniel Willmann | ec0e50e | 2015-11-23 15:48:59 +0100 | [diff] [blame] | 72 | int rc; |
| 73 | |
Daniel Willmann | 9a12a4b | 2015-11-30 16:27:11 +0100 | [diff] [blame] | 74 | void *buffer; |
Daniel Willmann | 54a9a14 | 2015-11-23 14:01:25 +0100 | [diff] [blame] | 75 | BIT_STRING_t enc; |
Daniel Willmann | b2548fb | 2015-11-30 16:24:57 +0100 | [diff] [blame] | 76 | uint32_t res, tmpval; |
Daniel Willmann | ec0e50e | 2015-11-23 15:48:59 +0100 | [diff] [blame] | 77 | char text[32]; |
Daniel Willmann | 54a9a14 | 2015-11-23 14:01:25 +0100 | [diff] [blame] | 78 | |
| 79 | printf("Testing asn.1 helper functions\n"); |
| 80 | |
| 81 | printf("Encoding 0x%x to asn.1 bitstring\n", val1); |
Daniel Willmann | b2548fb | 2015-11-30 16:24:57 +0100 | [diff] [blame] | 82 | asn1_u32_to_bitstring(&enc, &tmpval, val1); |
Daniel Willmann | 54a9a14 | 2015-11-23 14:01:25 +0100 | [diff] [blame] | 83 | |
Daniel Willmann | 54a9a14 | 2015-11-23 14:01:25 +0100 | [diff] [blame] | 84 | ASSERT(enc.size == sizeof(uint32_t)); |
| 85 | ASSERT(enc.bits_unused == 0); |
| 86 | |
Daniel Willmann | 9a12a4b | 2015-11-30 16:27:11 +0100 | [diff] [blame] | 87 | rc = aper_encode_to_new_buffer(&asn_DEF_BIT_STRING, 0, &enc, (void **) &buffer); |
| 88 | printf("Encoded: %s\n", osmo_hexdump_nospc(buffer, rc)); |
| 89 | |
Daniel Willmann | 54a9a14 | 2015-11-23 14:01:25 +0100 | [diff] [blame] | 90 | res = asn1bitstr_to_u32(&enc); |
| 91 | |
| 92 | printf("Decoding back to uint32_t: 0x%x\n", res); |
| 93 | ASSERT(res == val1); |
| 94 | |
Daniel Willmann | b2548fb | 2015-11-30 16:24:57 +0100 | [diff] [blame] | 95 | printf("Encoding %s to 24-bit asn.1 bitstring\n", osmo_hexdump_nospc(&val1, 3)); |
| 96 | asn1_u24_to_bitstring(&enc, &tmpval, val1); |
| 97 | |
| 98 | ASSERT(enc.size == 24/8); |
| 99 | ASSERT(enc.bits_unused == 0); |
Daniel Willmann | ec0e50e | 2015-11-23 15:48:59 +0100 | [diff] [blame] | 100 | |
Daniel Willmann | 9a12a4b | 2015-11-30 16:27:11 +0100 | [diff] [blame] | 101 | rc = aper_encode_to_new_buffer(&asn_DEF_BIT_STRING, 0, &enc, (void **) &buffer); |
| 102 | printf("Encoded: %s\n", osmo_hexdump_nospc(buffer, rc)); |
| 103 | |
Daniel Willmann | ec0e50e | 2015-11-23 15:48:59 +0100 | [diff] [blame] | 104 | rc = asn1_strncpy(text, &text1, sizeof(text)); |
| 105 | printf("Decoding string from asn.1: %s\n", text); |
| 106 | |
| 107 | ASSERT(rc == 16); |
| 108 | ASSERT(!strcmp(text, (char *)text1.buf)); |
| 109 | |
Daniel Willmann | 8ea918d | 2015-11-23 15:50:06 +0100 | [diff] [blame] | 110 | rc = asn1_strncpy(text, &text2, sizeof(text)); |
| 111 | printf("Decoding large string from asn1: %s\n", text); |
| 112 | ASSERT(rc == 31); |
| 113 | |
Daniel Willmann | 54a9a14 | 2015-11-23 14:01:25 +0100 | [diff] [blame] | 114 | } |
| 115 | |
| 116 | int main(int argc, char **argv) |
| 117 | { |
| 118 | test_iu_helpers(); |
| 119 | test_asn1_helpers(); |
Harald Welte | 35cbc11 | 2015-09-11 17:36:59 +0200 | [diff] [blame] | 120 | |
| 121 | return 0; |
| 122 | } |