Max | f74cfd3 | 2017-03-24 20:16:33 +0100 | [diff] [blame] | 1 | /* |
| 2 | * (C) 2012 by Holger Hans Peter Freyther <zecke@selfish.org> |
Vadim Yanitskiy | 03590fc | 2023-05-18 17:22:26 +0700 | [diff] [blame] | 3 | * (C) 2017 by sysmocom - s.f.m.c. GmbH <info@sysmocom.de> |
Max | f74cfd3 | 2017-03-24 20:16:33 +0100 | [diff] [blame] | 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 General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 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 General Public License for more details. |
| 15 | * |
Max | f74cfd3 | 2017-03-24 20:16:33 +0100 | [diff] [blame] | 16 | */ |
| 17 | |
| 18 | #include <osmocom/core/application.h> |
| 19 | #include <osmocom/core/logging.h> |
| 20 | #include <osmocom/core/utils.h> |
| 21 | #include <osmocom/gsm/lapdm.h> |
| 22 | #include <osmocom/gsm/rsl.h> |
| 23 | #include <osmocom/gsm/protocol/gsm_12_21.h> |
| 24 | |
| 25 | #include <errno.h> |
| 26 | #include <stdbool.h> |
| 27 | #include <string.h> |
| 28 | |
| 29 | static struct log_info info = {}; |
| 30 | |
| 31 | static const uint8_t simple_config[] = { 66, 18, 0, 3, 1, 2, 3, 19, 0, 3, 3, 4, 5 }; |
| 32 | |
| 33 | static const uint8_t dual_config[] = { |
| 34 | 66, 18, 0, 3, 1, 2, 3, 19, 0, 3, 3, 4, 5, |
| 35 | 66, 18, 0, 3, 9, 7, 5, 19, 0, 3, 6, 7, 8, |
| 36 | }; |
| 37 | |
| 38 | static void test_simple_sw_config(void) |
| 39 | { |
| 40 | struct abis_nm_sw_desc desc[1]; |
| 41 | uint16_t len; |
| 42 | int rc; |
| 43 | |
| 44 | rc = abis_nm_get_sw_conf(simple_config, ARRAY_SIZE(simple_config), &desc[0], ARRAY_SIZE(desc)); |
| 45 | if (rc != 1) { |
| 46 | printf("%s(): FAILED to parse the File Id/File version: %d\n", __func__, rc); |
| 47 | abort(); |
| 48 | } |
| 49 | |
| 50 | len = abis_nm_sw_desc_len(&desc[0], true); |
| 51 | if (len != 13) { |
| 52 | printf("WRONG SIZE: %u\n", len); |
| 53 | abort(); |
| 54 | } |
| 55 | |
| 56 | printf("len: %u\n", len); |
| 57 | printf("file_id: %s\n", osmo_hexdump(desc[0].file_id, desc[0].file_id_len)); |
| 58 | printf("file_ver: %s\n", osmo_hexdump(desc[0].file_version, desc[0].file_version_len)); |
| 59 | printf("%s(): OK\n", __func__); |
| 60 | } |
| 61 | |
| 62 | static void test_simple_sw_short(void) |
| 63 | { |
| 64 | struct abis_nm_sw_desc desc[1]; |
| 65 | int i; |
| 66 | |
| 67 | for (i = 1; i < ARRAY_SIZE(simple_config); ++i) { |
| 68 | int rc = abis_nm_get_sw_conf(simple_config, ARRAY_SIZE(simple_config) - i, &desc[0], ARRAY_SIZE(desc)); |
| 69 | if (rc >= 1) { |
| 70 | printf("SHOULD not have parsed: %d\n", rc); |
| 71 | abort(); |
| 72 | } |
| 73 | } |
| 74 | printf("%s(): OK\n", __func__); |
| 75 | } |
| 76 | |
| 77 | static void test_dual_sw_config(void) |
| 78 | { |
| 79 | struct abis_nm_sw_desc desc[2]; |
| 80 | uint16_t len0, len1; |
| 81 | int rc; |
| 82 | |
| 83 | rc = abis_nm_get_sw_conf(dual_config, ARRAY_SIZE(dual_config), &desc[0], ARRAY_SIZE(desc)); |
| 84 | if (rc != 2) { |
| 85 | printf("%s(): FAILED to parse the File Id/File version: %d (%d,%d)\n", |
| 86 | __func__, -rc, EBADF, EBADMSG); |
| 87 | abort(); |
| 88 | } |
| 89 | |
| 90 | len0 = abis_nm_sw_desc_len(&desc[0], true); |
| 91 | if (len0 != 13) { |
| 92 | printf("WRONG SIZE0: %u\n", len0); |
| 93 | abort(); |
| 94 | } |
| 95 | |
| 96 | len1 = abis_nm_sw_desc_len(&desc[1], true); |
| 97 | if (len1 != 13) { |
| 98 | printf("WRONG SIZE1: %u\n", len1); |
| 99 | abort(); |
| 100 | } |
| 101 | |
| 102 | printf("len: %u\n", len0); |
| 103 | printf("file_id: %s\n", osmo_hexdump(desc[0].file_id, desc[0].file_id_len)); |
| 104 | printf("file_ver: %s\n", osmo_hexdump(desc[0].file_version, desc[0].file_version_len)); |
| 105 | |
| 106 | printf("len: %u\n", len1); |
| 107 | printf("file_id: %s\n", osmo_hexdump(desc[1].file_id, desc[1].file_id_len)); |
| 108 | printf("file_ver: %s\n", osmo_hexdump(desc[1].file_version, desc[1].file_version_len)); |
| 109 | printf("%s(): OK\n", __func__); |
| 110 | } |
| 111 | |
| 112 | static inline void print_chk(const char *what, uint8_t len1, uint8_t len2, const uint8_t *x1, const uint8_t *x2) |
| 113 | { |
| 114 | int cmp = memcmp(x1, x2, len2); |
| 115 | printf("\tFILE %s [%u == %u -> %d, %s] %d => %s\n", what, len1, len2, len1 == len2, len1 != len2 ? "fail" : "ok", |
| 116 | cmp, cmp != 0 ? "FAIL" : "OK"); |
| 117 | } |
| 118 | |
| 119 | static inline void chk_raw(const char *what, const uint8_t *data, uint16_t len) |
| 120 | { |
Pau Espin Pedrol | 039171a | 2017-06-18 11:21:25 +0200 | [diff] [blame] | 121 | /* = { 0 } triggers a warning in some gcc versions due to a bug: gcc issue #53119 */ |
| 122 | struct abis_nm_sw_desc sw = { {0} }; |
Max | f74cfd3 | 2017-03-24 20:16:33 +0100 | [diff] [blame] | 123 | int res = abis_nm_get_sw_conf(data, len, &sw, 1); |
| 124 | uint16_t xlen = abis_nm_get_sw_desc_len(data, len); |
| 125 | |
| 126 | printf("parsing chained %s <1st: %d, total: %d>\n\tSW Descr (%s)\n", osmo_hexdump(data, len), xlen, len, what); |
| 127 | |
| 128 | if (res < 0) |
| 129 | printf("\tFAIL: %d\n", -res); |
| 130 | else { |
| 131 | printf("\tFILE ID: [%d] %s => OK\n", sw.file_id_len, osmo_hexdump(sw.file_id, sw.file_id_len)); |
| 132 | printf("\tFILE VERSION: [%d] %s => OK\n", sw.file_version_len, |
| 133 | osmo_hexdump(sw.file_version, sw.file_version_len)); |
| 134 | } |
| 135 | |
| 136 | if (len != xlen) |
| 137 | chk_raw(" 2nd", data + xlen, len - xlen); |
| 138 | } |
| 139 | |
| 140 | static inline void chk_descr(struct msgb *msg, const char *f_id, const char *f_ver, const char *desc, bool header) |
| 141 | { |
| 142 | int res; |
| 143 | uint16_t len; |
Pau Espin Pedrol | 039171a | 2017-06-18 11:21:25 +0200 | [diff] [blame] | 144 | /* = { 0 } triggers a warning in some gcc versions due to a bug: gcc issue #53119 */ |
| 145 | struct abis_nm_sw_desc sw = { {0} }, put = { |
Max | f74cfd3 | 2017-03-24 20:16:33 +0100 | [diff] [blame] | 146 | .file_id_len = strlen(f_id), |
| 147 | .file_version_len = strlen(f_ver), |
| 148 | }; |
| 149 | |
| 150 | memcpy(put.file_id, f_id, put.file_id_len); |
| 151 | memcpy(put.file_version, f_ver, put.file_version_len); |
| 152 | len = abis_nm_put_sw_file(msg, f_id, f_ver, header); |
| 153 | |
| 154 | printf("msgb[%u] :: {msgb->len} %u == %u {len} - %s]:\n\tSW DESCR (%s)\n" |
| 155 | "\tlength: {extracted} %u = %u {expected} - %s, failsafe - %s\n", |
| 156 | msg->data_len, msg->len, len, len != msg->len ? "fail" : "ok", desc, |
| 157 | abis_nm_get_sw_desc_len(msgb_data(msg), msg->len), msg->len, |
| 158 | abis_nm_get_sw_desc_len(msgb_data(msg), msg->len) != msg->len ? "FAIL" : "OK", |
| 159 | len > put.file_version_len + put.file_id_len ? "OK" : "FAIL"); |
| 160 | |
| 161 | res = abis_nm_get_sw_conf(msgb_data(msg), msg->len, &sw, 1); |
| 162 | if (res < 0) |
| 163 | printf("\tSW DESCR (%s) parsing error code %d!\n", desc, -res); |
| 164 | else { |
| 165 | print_chk("ID", sw.file_id_len, put.file_id_len, sw.file_id, put.file_id); |
| 166 | print_chk("VERSION", sw.file_version_len, put.file_version_len, sw.file_version, put.file_version); |
| 167 | } |
| 168 | } |
| 169 | |
Harald Welte | e61d459 | 2022-11-03 11:05:58 +0100 | [diff] [blame] | 170 | static void test_sw_descr(void) |
Max | f74cfd3 | 2017-03-24 20:16:33 +0100 | [diff] [blame] | 171 | { |
| 172 | const char *f_id = "TEST.L0L", *f_ver = "0.1.666~deadbeeffacefeed-dirty"; |
| 173 | uint8_t chain[] = { 0x42, 0x12, 0x00, 0x03, 0x01, 0x02, 0x03, 0x13, 0x00, 0x03, 0x03, 0x04, 0x05, 0x42, 0x12, |
| 174 | 0x00, 0x03, 0x09, 0x07, 0x05, 0x13, 0x00, 0x03, 0x06, 0x07, 0x08 }; |
| 175 | struct msgb *msg = msgb_alloc_headroom(4096, 128, "sw"); |
| 176 | |
| 177 | printf("Testing SW Description (de)serialization...\n"); |
| 178 | |
| 179 | /* check that parsing |SW|ID|VER| works: */ |
| 180 | chk_descr(msg, f_id, f_ver, "with header", true); |
| 181 | msgb_reset(msg); |
| 182 | |
| 183 | /* check that parsing |ID|VER| works: */ |
| 184 | chk_descr(msg, f_id, f_ver, "without header", false); |
| 185 | |
| 186 | /* check that parsing |ID|VER|SW|ID|VER| fails - notice the lack of msgb_reset() to create bogus msgb data: */ |
| 187 | chk_descr(msg, f_id, f_ver, "expected failure", true); |
| 188 | |
| 189 | /* check multiple, chained SW-descr: */ |
| 190 | chk_raw("half", chain, sizeof(chain) / 2); |
| 191 | chk_raw("full", chain, sizeof(chain)); |
Neels Hofmeyr | 39720ac | 2017-11-16 16:24:36 +0100 | [diff] [blame] | 192 | |
| 193 | msgb_free(msg); |
Max | f74cfd3 | 2017-03-24 20:16:33 +0100 | [diff] [blame] | 194 | } |
| 195 | |
Pau Espin Pedrol | 388a53a | 2022-04-04 19:26:05 +0200 | [diff] [blame] | 196 | /* Test decode IPAC_DLCX_IND obtained from SYS#5915 */ |
Harald Welte | e61d459 | 2022-11-03 11:05:58 +0100 | [diff] [blame] | 197 | static void test_dec_ipac_dlc_indx(void) |
Pau Espin Pedrol | 388a53a | 2022-04-04 19:26:05 +0200 | [diff] [blame] | 198 | { |
| 199 | /* Radio Signalling Link (RSL) |
| 200 | 0111 111. = Message discriminator: ip.access Vendor Specific messages (63) |
| 201 | .... ...0 = T bit: Not considered transparent by BTS |
| 202 | .111 0110 = Message type: ip.access DLCX INDication (0x76) |
| 203 | Channel number IE |
| 204 | Element identifier: Channel Number (0x01) |
| 205 | 0000 1... = C-bits: Bm + ACCH (1) |
| 206 | .... .110 = Time slot number (TN): 6 |
| 207 | Element identifier: Connection Identifier (0xf8) |
| 208 | ip.access Connection ID: 0 |
| 209 | Element identifier: Connection Statistics (0xf6) |
| 210 | [1 byte length here, val = 28 (0x1c)] |
| 211 | Packets Sent: 1202 |
| 212 | Octets Sent: 45052 |
| 213 | Packets Received: 556 |
| 214 | Octets Received: 24580 |
| 215 | Packets Lost: 0 |
| 216 | Inter-arrival Jitter: 0 |
| 217 | Average Tx Delay: 0 |
| 218 | Cause IE |
| 219 | Element identifier: Cause (0x1a) |
| 220 | Length: 1 |
| 221 | 0... .... = Extension: No Extension |
| 222 | .000 .... = Class: Normal event (0) |
| 223 | .000 1111 = Cause Value: normal event, unspecified (15) |
| 224 | */ |
| 225 | const uint8_t hex[] = { |
| 226 | 0x7e, 0x76, 0x01, 0x0e, 0xf8, 0x00, 0x00, 0xf6, 0x1c, 0x00, 0x00, 0x04, 0xb2, 0x00, 0x00, 0xaf, |
| 227 | 0xfc, 0x00, 0x00, 0x02, 0x2c, 0x00, 0x00, 0x60, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 228 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x1a, 0x01, 0x0f |
| 229 | }; |
| 230 | struct abis_rsl_dchan_hdr *dh = (struct abis_rsl_dchan_hdr *)&hex[0]; |
| 231 | |
| 232 | struct tlv_parsed tp; |
| 233 | int rc; |
| 234 | |
| 235 | printf("Testing decoding IPAC_DLCX_IND\n"); |
| 236 | |
| 237 | rc = rsl_tlv_parse(&tp, dh->data, sizeof(hex) - sizeof(*dh)); |
| 238 | |
| 239 | OSMO_ASSERT(rc == 3); |
| 240 | } |
| 241 | |
Max | f74cfd3 | 2017-03-24 20:16:33 +0100 | [diff] [blame] | 242 | int main(int argc, char **argv) |
| 243 | { |
Neels Hofmeyr | a829b45 | 2018-04-05 03:02:35 +0200 | [diff] [blame] | 244 | void *ctx = talloc_named_const(NULL, 0, "abis_test"); |
| 245 | osmo_init_logging2(ctx, &info); |
Max | f74cfd3 | 2017-03-24 20:16:33 +0100 | [diff] [blame] | 246 | |
| 247 | test_sw_descr(); |
| 248 | test_simple_sw_config(); |
| 249 | test_simple_sw_short(); |
| 250 | test_dual_sw_config(); |
Pau Espin Pedrol | 388a53a | 2022-04-04 19:26:05 +0200 | [diff] [blame] | 251 | test_dec_ipac_dlc_indx(); |
Max | f74cfd3 | 2017-03-24 20:16:33 +0100 | [diff] [blame] | 252 | |
| 253 | printf("OK.\n"); |
| 254 | |
| 255 | return 0; |
| 256 | } |