/* * (C) 2012 by 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 #define VERIFY(msg, data, len) \ if (msgb_l3len(msg) != len) { \ printf("%s:%d Length don't match: %d vs. %d. %s\n", \ __func__, __LINE__, msgb_l3len(msg), (int) len, \ osmo_hexdump(msg->l3h, msgb_l3len(msg))); \ abort(); \ } else if (memcmp(msg->l3h, data, len) != 0) { \ printf("%s:%d didn't match: got: %s\n", \ __func__, __LINE__, \ osmo_hexdump(msg->l3h, msgb_l3len(msg))); \ abort(); \ } /* Setup a fake codec list for testing */ static void setup_codec_list(struct gsm0808_speech_codec_list *scl) { memset(scl, 0, sizeof(*scl)); scl->codec[0].pi = true; scl->codec[0].tf = true; scl->codec[0].type = GSM0808_SCT_FR3; scl->codec[0].cfg = 0xcdef; scl->codec[1].fi = true; scl->codec[1].pt = true; scl->codec[1].type = GSM0808_SCT_FR2; scl->codec[2].fi = true; scl->codec[2].tf = true; scl->codec[2].type = GSM0808_SCT_CSD; scl->codec[2].cfg = 0xc0; scl->len = 3; } static void test_create_layer3(void) { static const uint8_t res[] = { 0x00, 0x0e, 0x57, 0x05, 0x08, 0x00, 0x77, 0x62, 0x83, 0x33, 0x66, 0x44, 0x88, 0x17, 0x01, 0x23 }; struct msgb *msg, *in_msg; printf("Testing creating Layer3\n"); in_msg = msgb_alloc_headroom(512, 128, "foo"); in_msg->l3h = in_msg->data; msgb_v_put(in_msg, 0x23); msg = gsm0808_create_layer3(in_msg, 0x1122, 0x2244, 0x3366, 0x4488); VERIFY(msg, res, ARRAY_SIZE(res)); msgb_free(msg); msgb_free(in_msg); } static void test_create_layer3_aoip() { static const uint8_t res[] = { 0x00, 0x17, 0x57, 0x05, 0x08, 0x00, 0x77, 0x62, 0x83, 0x33, 0x66, 0x44, 0x88, 0x17, 0x01, 0x23, GSM0808_IE_SPEECH_CODEC_LIST, 0x07, GSM0808_SCT_FR3 | 0x50, 0xcd, 0xef, GSM0808_SCT_FR2 | 0xa0, 0x9f, GSM0808_SCT_CSD | 0x90, 0xc0 }; struct msgb *msg, *in_msg; struct gsm0808_speech_codec_list sc_list; printf("Testing creating Layer3 (AoIP)\n"); setup_codec_list(&sc_list); in_msg = msgb_alloc_headroom(512, 128, "foo"); in_msg->l3h = in_msg->data; msgb_v_put(in_msg, 0x23); msg = gsm0808_create_layer3_aoip(in_msg, 0x1122, 0x2244, 0x3366, 0x4488, &sc_list); VERIFY(msg, res, ARRAY_SIZE(res)); msgb_free(msg); msgb_free(in_msg); } static void test_create_reset() { static const uint8_t res[] = { 0x00, 0x04, 0x30, 0x04, 0x01, 0x20 }; struct msgb *msg; printf("Testing creating Reset\n"); msg = gsm0808_create_reset(); VERIFY(msg, res, ARRAY_SIZE(res)); msgb_free(msg); } static void test_create_reset_ack() { static const uint8_t res[] = { 0x00, 0x01, 0x31 }; struct msgb *msg; printf("Testing creating Reset Ack\n"); msg = gsm0808_create_reset_ack(); VERIFY(msg, res, ARRAY_SIZE(res)); msgb_free(msg); } static void test_create_clear_command() { static const uint8_t res[] = { 0x20, 0x04, 0x01, 0x23 }; struct msgb *msg; printf("Testing creating Clear Command\n"); msg = gsm0808_create_clear_command(0x23); VERIFY(msg, res, ARRAY_SIZE(res)); msgb_free(msg); } static void test_create_clear_complete() { static const uint8_t res[] = { 0x00, 0x01, 0x21 }; struct msgb *msg; printf("Testing creating Clear Complete\n"); msg = gsm0808_create_clear_complete(); VERIFY(msg, res, ARRAY_SIZE(res)); msgb_free(msg); } static void test_create_cipher() { static const uint8_t res[] = { 0x00, 0x0c, 0x53, 0x0a, 0x09, 0x03, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff, 0x23, 0x42 }; static const uint8_t res2[] = { 0x00, 0x0e, 0x53, 0x0a, 0x09, 0x03, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff, 0x23, 0x42, GSM0808_IE_CIPHER_RESPONSE_MODE, 0x01 }; struct msgb *msg; struct gsm0808_encrypt_info ei; uint8_t include_imeisv; memset(&ei, 0, sizeof(ei)); ei.perm_algo[0] = GSM0808_ALG_ID_A5_0; ei.perm_algo[1] = GSM0808_ALG_ID_A5_1; ei.perm_algo_len = 2; ei.key[0] = 0xaa; ei.key[1] = 0xbb; ei.key[2] = 0xcc; ei.key[3] = 0xdd; ei.key[4] = 0xee; ei.key[5] = 0xff; ei.key[6] = 0x23; ei.key[7] = 0x42; ei.key_len = 8; include_imeisv = 1; printf("Testing creating Chipher Mode Command\n"); msg = gsm0808_create_cipher(&ei, NULL); OSMO_ASSERT(msg); VERIFY(msg, res, ARRAY_SIZE(res)); msgb_free(msg); msg = gsm0808_create_cipher(&ei, &include_imeisv); OSMO_ASSERT(msg); VERIFY(msg, res2, ARRAY_SIZE(res2)); msgb_free(msg); } static void test_create_cipher_complete() { static const uint8_t res1[] = { 0x00, 0x08, 0x55, 0x20, 0x03, 0x23, 0x42, 0x21, 0x2c, 0x04 }; static const uint8_t res2[] = { 0x00, 0x03, 0x55, 0x2c, 0x04}; struct msgb *l3, *msg; printf("Testing creating Cipher Complete\n"); l3 = msgb_alloc_headroom(512, 128, "l3h"); l3->l3h = l3->data; msgb_v_put(l3, 0x23); msgb_v_put(l3, 0x42); msgb_v_put(l3, 0x21); /* with l3 data */ msg = gsm0808_create_cipher_complete(l3, 4); VERIFY(msg, res1, ARRAY_SIZE(res1)); msgb_free(msg); /* with l3 data but short */ l3->len -= 1; l3->tail -= 1; msg = gsm0808_create_cipher_complete(l3, 4); VERIFY(msg, res2, ARRAY_SIZE(res2)); msgb_free(msg); /* without l3 data */ msg = gsm0808_create_cipher_complete(NULL, 4); VERIFY(msg, res2, ARRAY_SIZE(res2)); msgb_free(msg); msgb_free(l3); } static void test_create_cipher_reject() { static const uint8_t res[] = { 0x00, 0x02, 0x59, 0x23 }; struct msgb *msg; printf("Testing creating Cipher Reject\n"); msg = gsm0808_create_cipher_reject(0x23); VERIFY(msg, res, ARRAY_SIZE(res)); msgb_free(msg); } static void test_create_cm_u() { static const uint8_t res[] = { 0x00, 0x07, 0x54, 0x12, 0x01, 0x23, 0x13, 0x01, 0x42 }; static const uint8_t res2o[] = { 0x00, 0x04, 0x54, 0x12, 0x01, 0x23 }; struct msgb *msg; const uint8_t cm2 = 0x23; const uint8_t cm3 = 0x42; printf("Testing creating CM U\n"); msg = gsm0808_create_classmark_update(&cm2, 1, &cm3, 1); VERIFY(msg, res, ARRAY_SIZE(res)); msg = gsm0808_create_classmark_update(&cm2, 1, NULL, 0); VERIFY(msg, res2o, ARRAY_SIZE(res2o)); msgb_free(msg); } static void test_create_sapi_reject() { static const uint8_t res[] = { 0x00, 0x03, 0x25, 0x03, 0x25 }; struct msgb *msg; printf("Testing creating SAPI Reject\n"); msg = gsm0808_create_sapi_reject(3); VERIFY(msg, res, ARRAY_SIZE(res)); msgb_free(msg); } static void test_create_ass() { static const uint8_t res1[] = { 0x00, 0x0a, 0x01, 0x0b, 0x04, 0x01, 0x0b, 0xa1, 0x25, 0x01, 0x00, 0x04 }; static const uint8_t res2[] = { 0x00, 0x20, 0x01, 0x0b, 0x04, 0x01, 0x0b, 0xa1, 0x25, 0x01, 0x00, 0x04, GSM0808_IE_AOIP_TRASP_ADDR, 0x06, 0xc0, 0xa8, 0x64, 0x17, 0x04, 0xd2, GSM0808_IE_SPEECH_CODEC_LIST, 0x07, GSM0808_SCT_FR3 | 0x50, 0xcd, 0xef, GSM0808_SCT_FR2 | 0xa0, 0x9f, GSM0808_SCT_CSD | 0x90, 0xc0, GSM0808_IE_CALL_ID, 0xaa, 0xbb, 0xcc, 0xdd }; struct msgb *msg; struct gsm0808_channel_type ct; uint16_t cic = 0004; struct sockaddr_storage ss; struct sockaddr_in sin; struct gsm0808_speech_codec_list sc_list; uint32_t call_id = 0xAABBCCDD; memset(&ct, 0, sizeof(ct)); ct.ch_indctr = GSM0808_CHAN_SPEECH; ct.ch_rate_type = GSM0808_SPEECH_HALF_PREF; ct.perm_spch[0] = GSM0808_PERM_FR3; ct.perm_spch[1] = GSM0808_PERM_HR3; ct.perm_spch_len = 2; memset(&sin, 0, sizeof(sin)); sin.sin_family = AF_INET; sin.sin_port = htons(1234); inet_aton("192.168.100.23", &sin.sin_addr); memset(&ss, 0, sizeof(ss)); memcpy(&ss, &sin, sizeof(sin)); setup_codec_list(&sc_list); printf("Testing creating Assignment Request\n"); msg = gsm0808_create_ass(&ct, &cic, NULL, NULL, NULL); OSMO_ASSERT(msg); VERIFY(msg, res1, ARRAY_SIZE(res1)); msgb_free(msg); msg = gsm0808_create_ass(&ct, &cic, &ss, &sc_list, &call_id); OSMO_ASSERT(msg); VERIFY(msg, res2, ARRAY_SIZE(res2)); msgb_free(msg); } static void test_create_ass_compl() { static const uint8_t res1[] = { 0x00, 0x09, 0x02, 0x15, 0x23, 0x21, 0x42, 0x2c, 0x11, 0x40, 0x22 }; static const uint8_t res2[] = { 0x00, 0x07, 0x02, 0x15, 0x23, 0x21, 0x42, 0x2c, 0x11}; struct msgb *msg; printf("Testing creating Assignment Complete\n"); msg = gsm0808_create_assignment_completed(0x23, 0x42, 0x11, 0x22); VERIFY(msg, res1, ARRAY_SIZE(res1)); msgb_free(msg); msg = gsm0808_create_assignment_completed(0x23, 0x42, 0x11, 0); VERIFY(msg, res2, ARRAY_SIZE(res2)); msgb_free(msg); } static void test_create_ass_compl_aoip() { struct sockaddr_storage ss; struct sockaddr_in sin; struct gsm0808_speech_codec sc; struct gsm0808_speech_codec_list sc_list; static const uint8_t res[] = { 0x00, 0x1d, 0x02, 0x15, 0x23, 0x21, 0x42, 0x2c, 0x11, 0x40, 0x22, GSM0808_IE_AOIP_TRASP_ADDR, 0x06, 0xc0, 0xa8, 0x64, 0x17, 0x04, 0xd2, GSM0808_IE_SPEECH_CODEC, 0x01, GSM0808_SCT_HR1 | 0x90, GSM0808_IE_SPEECH_CODEC_LIST, 0x07, GSM0808_SCT_FR3 | 0x50, 0xcd, 0xef, GSM0808_SCT_FR2 | 0xa0, 0x9f, GSM0808_SCT_CSD | 0x90, 0xc0 }; struct msgb *msg; memset(&sin, 0, sizeof(sin)); sin.sin_family = AF_INET; sin.sin_port = htons(1234); inet_aton("192.168.100.23", &sin.sin_addr); memset(&ss, 0, sizeof(ss)); memcpy(&ss, &sin, sizeof(sin)); memset(&sc, 0, sizeof(sc)); sc.fi = true; sc.tf = true; sc.type = GSM0808_SCT_HR1; setup_codec_list(&sc_list); printf("Testing creating Assignment Complete (AoIP)\n"); msg = gsm0808_create_ass_compl(0x23, 0x42, 0x11, 0x22, &ss, &sc, &sc_list); VERIFY(msg, res, ARRAY_SIZE(res)); msgb_free(msg); } static void test_create_ass_fail() { static const uint8_t res1[] = { 0x00, 0x04, 0x03, 0x04, 0x01, 0x23 }; static const uint8_t res2[] = { 0x00, 0x06, 0x03, 0x04, 0x01, 0x23, 0x15, 0x02}; uint8_t rr_res = 2; struct msgb *msg; printf("Testing creating Assignment Failure\n"); msg = gsm0808_create_assignment_failure(0x23, NULL); VERIFY(msg, res1, ARRAY_SIZE(res1)); msgb_free(msg); msg = gsm0808_create_assignment_failure(0x23, &rr_res); VERIFY(msg, res2, ARRAY_SIZE(res2)); msgb_free(msg); } static void test_create_ass_fail_aoip() { static const uint8_t res1[] = { 0x00, 0x0d, 0x03, 0x04, 0x01, 0x23, GSM0808_IE_SPEECH_CODEC_LIST, 0x07, GSM0808_SCT_FR3 | 0x50, 0xcd, 0xef, GSM0808_SCT_FR2 | 0xa0, 0x9f, GSM0808_SCT_CSD | 0x90, 0xc0 }; static const uint8_t res2[] = { 0x00, 0x0f, 0x03, 0x04, 0x01, 0x23, 0x15, 0x02, GSM0808_IE_SPEECH_CODEC_LIST, 0x07, GSM0808_SCT_FR3 | 0x50, 0xcd, 0xef, GSM0808_SCT_FR2 | 0xa0, 0x9f, GSM0808_SCT_CSD | 0x90, 0xc0 }; uint8_t rr_res = 2; struct msgb *msg; struct gsm0808_speech_codec_list sc_list; setup_codec_list(&sc_list); printf("Testing creating Assignment Failure (AoIP)\n"); msg = gsm0808_create_ass_fail(0x23, NULL, &sc_list); VERIFY(msg, res1, ARRAY_SIZE(res1)); msgb_free(msg); msg = gsm0808_create_ass_fail(0x23, &rr_res, &sc_list); VERIFY(msg, res2, ARRAY_SIZE(res2)); msgb_free(msg); } static void test_create_clear_rqst() { static const uint8_t res[] = { 0x00, 0x04, 0x22, 0x04, 0x01, 0x23 }; struct msgb *msg; printf("Testing creating Clear Request\n"); msg = gsm0808_create_clear_rqst(0x23); VERIFY(msg, res, ARRAY_SIZE(res)); msgb_free(msg); } static void test_create_paging() { static const uint8_t res[] = { 0x00, 0x10, 0x52, 0x08, 0x08, 0x09, 0x10, 0x10, 0x00, 0x00, 0x00, 0x21, 0x43, 0x1a, 0x03, 0x05, 0x23, 0x42 }; static const uint8_t res2[] = { 0x00, 0x16, 0x52, 0x08, 0x08, 0x09, 0x10, 0x10, 0x00, 0x00, 0x00, 0x21, 0x43, GSM0808_IE_TMSI, 0x04, 0x12, 0x34, 0x56, 0x78, 0x1a, 0x03, 0x05, 0x23, 0x42 }; static const uint8_t res3[] = { 0x00, 0x18, 0x52, 0x08, 0x08, 0x09, 0x10, 0x10, 0x00, 0x00, 0x00, 0x21, 0x43, GSM0808_IE_TMSI, 0x04, 0x12, 0x34, 0x56, 0x78, 0x1a, 0x03, 0x05, 0x23, 0x42, GSM0808_IE_CHANNEL_NEEDED, RSL_CHANNEED_TCH_ForH }; struct msgb *msg; struct gsm0808_cell_id_list cil; uint32_t tmsi = 0x12345678; uint8_t chan_needed = RSL_CHANNEED_TCH_ForH; char imsi[] = "001010000001234"; cil.id_discr = CELL_IDENT_LAC; cil.id_list_lac[0] = 0x2342; cil.id_list_len = 1; printf("Testing creating Paging Request\n"); msg = gsm0808_create_paging(imsi, NULL, &cil, NULL); VERIFY(msg, res, ARRAY_SIZE(res)); msgb_free(msg); msg = gsm0808_create_paging(imsi, &tmsi, &cil, NULL); VERIFY(msg, res2, ARRAY_SIZE(res2)); msgb_free(msg); msg = gsm0808_create_paging(imsi, &tmsi, &cil, &chan_needed); VERIFY(msg, res3, ARRAY_SIZE(res3)); msgb_free(msg); } static void test_create_dtap() { static const uint8_t res[] = { 0x01, 0x03, 0x02, 0x23, 0x42 }; struct msgb *msg, *l3; printf("Testing creating DTAP\n"); l3 = msgb_alloc_headroom(512, 128, "test"); l3->l3h = l3->data; msgb_v_put(l3, 0x23); msgb_v_put(l3, 0x42); msg = gsm0808_create_dtap(l3, 0x3); VERIFY(msg, res, ARRAY_SIZE(res)); msgb_free(msg); msgb_free(l3); } static void test_prepend_dtap() { static const uint8_t res[] = { 0x01, 0x03, 0x02, 0x23, 0x42 }; struct msgb *in_msg; printf("Testing prepend DTAP\n"); in_msg = msgb_alloc_headroom(512, 128, "test"); msgb_v_put(in_msg, 0x23); msgb_v_put(in_msg, 0x42); gsm0808_prepend_dtap_header(in_msg, 0x3); in_msg->l3h = in_msg->data; VERIFY(in_msg, res, ARRAY_SIZE(res)); msgb_free(in_msg); } static void test_enc_dec_aoip_trasp_addr_v4() { struct sockaddr_storage enc_addr; struct sockaddr_storage dec_addr; struct sockaddr_in enc_addr_in; struct msgb *msg; uint8_t rc_enc; int rc_dec; memset(&enc_addr_in, 0, sizeof(enc_addr_in)); enc_addr_in.sin_family = AF_INET; enc_addr_in.sin_port = htons(1234); inet_aton("255.0.255.255", &enc_addr_in.sin_addr); memset(&enc_addr, 0, sizeof(enc_addr)); memcpy(&enc_addr, &enc_addr_in, sizeof(enc_addr_in)); msg = msgb_alloc(1024, "output buffer"); rc_enc = gsm0808_enc_aoip_trasp_addr(msg, &enc_addr); OSMO_ASSERT(rc_enc == 8); rc_dec = gsm0808_dec_aoip_trasp_addr(&dec_addr, msg->data + 2, msg->len - 2); OSMO_ASSERT(rc_dec == 6); OSMO_ASSERT(memcmp(&enc_addr, &dec_addr, sizeof(enc_addr)) == 0); msgb_free(msg); } static void test_enc_dec_aoip_trasp_addr_v6() { struct sockaddr_storage enc_addr; struct sockaddr_storage dec_addr; struct sockaddr_in6 enc_addr_in; struct msgb *msg; uint8_t rc_enc; int rc_dec; memset(&enc_addr_in, 0, sizeof(enc_addr_in)); enc_addr_in.sin6_family = AF_INET6; enc_addr_in.sin6_port = htons(4567); inet_pton(AF_INET6, "2001:0db8:85a3:08d3:1319:8a2e:0370:7344", &enc_addr_in.sin6_addr); memset(&enc_addr, 0, sizeof(enc_addr)); memcpy(&enc_addr, &enc_addr_in, sizeof(enc_addr_in)); msg = msgb_alloc(1024, "output buffer"); rc_enc = gsm0808_enc_aoip_trasp_addr(msg, &enc_addr); OSMO_ASSERT(rc_enc == 20); rc_dec = gsm0808_dec_aoip_trasp_addr(&dec_addr, msg->data + 2, msg->len - 2); OSMO_ASSERT(rc_dec == 18); OSMO_ASSERT(memcmp(&enc_addr, &dec_addr, sizeof(enc_addr)) == 0); msgb_free(msg); } static void test_gsm0808_enc_dec_speech_codec() { struct gsm0808_speech_codec enc_sc; struct gsm0808_speech_codec dec_sc; struct msgb *msg; uint8_t rc_enc; int rc_dec; memset(&enc_sc, 0, sizeof(enc_sc)); enc_sc.fi = true; enc_sc.pt = true; enc_sc.type = GSM0808_SCT_FR2; msg = msgb_alloc(1024, "output buffer"); rc_enc = gsm0808_enc_speech_codec(msg, &enc_sc); OSMO_ASSERT(rc_enc == 3); rc_dec = gsm0808_dec_speech_codec(&dec_sc, msg->data + 2, msg->len - 2); OSMO_ASSERT(rc_dec == 1); OSMO_ASSERT(memcmp(&enc_sc, &dec_sc, sizeof(enc_sc)) == 0); msgb_free(msg); } static void test_gsm0808_enc_dec_speech_codec_with_cfg() { struct gsm0808_speech_codec enc_sc; struct gsm0808_speech_codec dec_sc; struct msgb *msg; uint8_t rc_enc; int rc_dec; enc_sc.pi = true; enc_sc.tf = true; enc_sc.type = GSM0808_SCT_FR3; enc_sc.cfg = 0xabcd; msg = msgb_alloc(1024, "output buffer"); rc_enc = gsm0808_enc_speech_codec(msg, &enc_sc); OSMO_ASSERT(rc_enc == 5); rc_dec = gsm0808_dec_speech_codec(&dec_sc, msg->data + 2, msg->len - 2); OSMO_ASSERT(rc_dec == 3); OSMO_ASSERT(memcmp(&enc_sc, &dec_sc, sizeof(enc_sc)) == 0); msgb_free(msg); } static void test_gsm0808_enc_dec_speech_codec_ext_with_cfg() { struct gsm0808_speech_codec enc_sc; struct gsm0808_speech_codec dec_sc; struct msgb *msg; uint8_t rc_enc; int rc_dec; enc_sc.pi = true; enc_sc.tf = true; enc_sc.type = GSM0808_SCT_CSD; enc_sc.cfg = 0xc0; msg = msgb_alloc(1024, "output buffer"); rc_enc = gsm0808_enc_speech_codec(msg, &enc_sc); OSMO_ASSERT(rc_enc == 5); rc_dec = gsm0808_dec_speech_codec(&dec_sc, msg->data + 2, msg->len - 2); OSMO_ASSERT(rc_dec == 3); OSMO_ASSERT(memcmp(&enc_sc, &dec_sc, sizeof(enc_sc)) == 0); msgb_free(msg); } static void test_gsm0808_enc_dec_speech_codec_list() { struct gsm0808_speech_codec_list enc_scl; struct gsm0808_speech_codec_list dec_scl; struct msgb *msg; uint8_t rc_enc; int rc_dec; memset(&enc_scl, 0, sizeof(enc_scl)); enc_scl.codec[0].pi = true; enc_scl.codec[0].tf = true; enc_scl.codec[0].type = GSM0808_SCT_FR3; enc_scl.codec[0].cfg = 0xcdef; enc_scl.codec[1].fi = true; enc_scl.codec[1].pt = true; enc_scl.codec[1].type = GSM0808_SCT_FR2; enc_scl.codec[2].fi = true; enc_scl.codec[2].tf = true; enc_scl.codec[2].type = GSM0808_SCT_CSD; enc_scl.codec[2].cfg = 0xc0; enc_scl.len = 3; msg = msgb_alloc(1024, "output buffer"); rc_enc = gsm0808_enc_speech_codec_list(msg, &enc_scl); OSMO_ASSERT(rc_enc == 9); rc_dec = gsm0808_dec_speech_codec_list(&dec_scl, msg->data + 2, msg->len - 2); OSMO_ASSERT(rc_dec == 7); OSMO_ASSERT(memcmp(&enc_scl, &dec_scl, sizeof(enc_scl)) == 0); msgb_free(msg); } static void test_gsm0808_enc_dec_channel_type() { struct gsm0808_channel_type enc_ct; struct gsm0808_channel_type dec_ct; struct msgb *msg; uint8_t ct_enc_expected[] = { GSM0808_IE_CHANNEL_TYPE, 0x04, 0x01, 0x0b, 0xa1, 0x25 }; uint8_t rc_enc; int rc_dec; memset(&enc_ct, 0, sizeof(enc_ct)); enc_ct.ch_indctr = GSM0808_CHAN_SPEECH; enc_ct.ch_rate_type = GSM0808_SPEECH_HALF_PREF; enc_ct.perm_spch[0] = GSM0808_PERM_FR3; enc_ct.perm_spch[1] = GSM0808_PERM_HR3; enc_ct.perm_spch_len = 2; msg = msgb_alloc(1024, "output buffer"); rc_enc = gsm0808_enc_channel_type(msg, &enc_ct); OSMO_ASSERT(rc_enc == 6); OSMO_ASSERT(memcmp(ct_enc_expected, msg->data, msg->len) == 0); rc_dec = gsm0808_dec_channel_type(&dec_ct, msg->data + 2, msg->len - 2); OSMO_ASSERT(rc_dec == 4); OSMO_ASSERT(memcmp(&enc_ct, &dec_ct, sizeof(enc_ct)) == 0); msgb_free(msg); } static void test_gsm0808_enc_dec_encrypt_info() { struct gsm0808_encrypt_info enc_ei; struct gsm0808_encrypt_info dec_ei; struct msgb *msg; uint8_t ei_enc_expected[] = { GSM0808_IE_ENCRYPTION_INFORMATION, 0x09, 0x03, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff, 0x23, 0x42 }; uint8_t rc_enc; int rc_dec; memset(&enc_ei, 0, sizeof(enc_ei)); enc_ei.perm_algo[0] = GSM0808_ALG_ID_A5_0; enc_ei.perm_algo[1] = GSM0808_ALG_ID_A5_1; enc_ei.perm_algo_len = 2; enc_ei.key[0] = 0xaa; enc_ei.key[1] = 0xbb; enc_ei.key[2] = 0xcc; enc_ei.key[3] = 0xdd; enc_ei.key[4] = 0xee; enc_ei.key[5] = 0xff; enc_ei.key[6] = 0x23; enc_ei.key[7] = 0x42; enc_ei.key_len = 8; msg = msgb_alloc(1024, "output buffer"); rc_enc = gsm0808_enc_encrypt_info(msg, &enc_ei); OSMO_ASSERT(rc_enc == 11); OSMO_ASSERT(memcmp(ei_enc_expected, msg->data, msg->len) == 0); rc_dec = gsm0808_dec_encrypt_info(&dec_ei, msg->data + 2, msg->len - 2); OSMO_ASSERT(rc_dec == 9); OSMO_ASSERT(memcmp(&enc_ei, &dec_ei, sizeof(enc_ei)) == 0); msgb_free(msg); } static void test_gsm0808_enc_dec_cell_id_list_lac() { struct gsm0808_cell_id_list enc_cil; struct gsm0808_cell_id_list dec_cil; struct msgb *msg; uint8_t rc_enc; int rc_dec; memset(&enc_cil, 0, sizeof(enc_cil)); enc_cil.id_discr = CELL_IDENT_LAC; enc_cil.id_list_lac[0] = 0x0124; enc_cil.id_list_lac[1] = 0xABCD; enc_cil.id_list_lac[2] = 0x5678; enc_cil.id_list_len = 3; msg = msgb_alloc(1024, "output buffer"); rc_enc = gsm0808_enc_cell_id_list(msg, &enc_cil); OSMO_ASSERT(rc_enc == 9); rc_dec = gsm0808_dec_cell_id_list(&dec_cil, msg->data + 2, msg->len - 2); OSMO_ASSERT(rc_dec == 7); OSMO_ASSERT(memcmp(&enc_cil, &dec_cil, sizeof(enc_cil)) == 0); msgb_free(msg); } static void test_gsm0808_enc_dec_cell_id_list_single_lac() { struct gsm0808_cell_id_list enc_cil; struct gsm0808_cell_id_list dec_cil; struct msgb *msg; uint8_t cil_enc_expected[] = { GSM0808_IE_CELL_IDENTIFIER_LIST, 0x03, 0x05, 0x23, 0x42 }; uint8_t rc_enc; int rc_dec; memset(&enc_cil, 0, sizeof(enc_cil)); enc_cil.id_discr = CELL_IDENT_LAC; enc_cil.id_list_lac[0] = 0x2342; enc_cil.id_list_len = 1; msg = msgb_alloc(1024, "output buffer"); rc_enc = gsm0808_enc_cell_id_list(msg, &enc_cil); OSMO_ASSERT(rc_enc == 5); OSMO_ASSERT(memcmp(cil_enc_expected, msg->data, msg->len) == 0); rc_dec = gsm0808_dec_cell_id_list(&dec_cil, msg->data + 2, msg->len - 2); OSMO_ASSERT(rc_dec == 3); OSMO_ASSERT(memcmp(&enc_cil, &dec_cil, sizeof(enc_cil)) == 0); msgb_free(msg); } static void test_gsm0808_enc_dec_cell_id_list_bss() { struct gsm0808_cell_id_list enc_cil; struct gsm0808_cell_id_list dec_cil; struct msgb *msg; uint8_t rc_enc; int rc_dec; memset(&enc_cil, 0, sizeof(enc_cil)); enc_cil.id_discr = CELL_IDENT_LAC; msg = msgb_alloc(1024, "output buffer"); rc_enc = gsm0808_enc_cell_id_list(msg, &enc_cil); OSMO_ASSERT(rc_enc == 3); rc_dec = gsm0808_dec_cell_id_list(&dec_cil, msg->data + 2, msg->len - 2); OSMO_ASSERT(rc_dec == 1); OSMO_ASSERT(memcmp(&enc_cil, &dec_cil, sizeof(enc_cil)) == 0); msgb_free(msg); } int main(int argc, char **argv) { printf("Testing generation of GSM0808 messages\n"); test_create_layer3(); test_create_layer3_aoip(); test_create_reset(); test_create_reset_ack(); test_create_clear_command(); test_create_clear_complete(); test_create_cipher(); test_create_cipher_complete(); test_create_cipher_reject(); test_create_cm_u(); test_create_sapi_reject(); test_create_ass(); test_create_ass_compl(); test_create_ass_compl_aoip(); test_create_ass_fail(); test_create_ass_fail_aoip(); test_create_clear_rqst(); test_create_paging(); test_create_dtap(); test_prepend_dtap(); test_enc_dec_aoip_trasp_addr_v4(); test_enc_dec_aoip_trasp_addr_v6(); test_gsm0808_enc_dec_speech_codec(); test_gsm0808_enc_dec_speech_codec_ext_with_cfg(); test_gsm0808_enc_dec_speech_codec_with_cfg(); test_gsm0808_enc_dec_speech_codec_list(); test_gsm0808_enc_dec_channel_type(); test_gsm0808_enc_dec_encrypt_info(); test_gsm0808_enc_dec_cell_id_list_lac(); test_gsm0808_enc_dec_cell_id_list_single_lac(); test_gsm0808_enc_dec_cell_id_list_bss(); printf("Done\n"); return EXIT_SUCCESS; }