| /* (C) 2013 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 Affero General Public License as published by |
| * the Free Software Foundation; either version 3 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 Affero General Public License |
| * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| * |
| */ |
| |
| extern "C" { |
| #include <osmocom/core/msgb.h> |
| #include <osmocom/core/backtrace.h> |
| #include <osmocom/gsm/gsm_utils.h> |
| } |
| |
| #include "openbsc_clone.h" |
| #include "gprs_tests.h" |
| |
| #include <gprs_bssgp_pcu.h> |
| |
| #include <stdint.h> |
| #include <string.h> |
| |
| /* GPRS attach with a foreign TLLI */ |
| static const uint8_t gprs_attach_llc[] = { |
| /* LLC-PDU IE */ |
| 0x0e, 0x00, 0x2e, |
| |
| 0x01, 0xc0, 0x01, 0x08, 0x01, 0x02, 0xf5, 0x40, |
| 0x71, 0x08, 0x00, 0x05, 0xf4, 0x2d, 0xf1, 0x18, |
| 0x20, 0x62, 0xf2, 0x10, 0x09, 0x67, 0x00, 0x13, |
| 0x16, 0x73, 0x43, 0x2a, 0x80, 0x42, 0x00, 0x42, |
| 0x88, 0x0b, 0x04, 0x20, 0x04, 0x2e, 0x82, 0x30, |
| 0x42, 0x00, 0x40, 0xaa, 0xf3, 0x18 |
| }; |
| |
| static uint32_t next_wanted_nu; |
| |
| void test_replay_gprs_attach(struct gprs_bssgp_pcu *pcu) |
| { |
| uint32_t tlli = 0xadf11820; |
| const uint8_t qos_profile[] = { 0x0, 0x0, 0x04 }; |
| |
| next_wanted_nu = 0; |
| struct msgb *msg = create_msg(gprs_attach_llc, ARRAY_SIZE(gprs_attach_llc)); |
| bssgp_tx_ul_ud(pcu->bctx, tlli, qos_profile, msg); |
| } |
| |
| void test_replay_gprs_data(struct gprs_bssgp_pcu *pcu, struct msgb *msg, struct tlv_parsed *tp) |
| { |
| struct bssgp_ud_hdr *budh; |
| struct gprs_llc_hdr_parsed ph; |
| uint32_t tlli; |
| |
| if (!TLVP_PRESENT(tp, BSSGP_IE_LLC_PDU)) |
| return; |
| |
| |
| gprs_llc_hdr_parse(&ph, TLVP_VAL(tp, BSSGP_IE_LLC_PDU), |
| TLVP_LEN(tp, BSSGP_IE_LLC_PDU)); |
| |
| budh = (struct bssgp_ud_hdr *)msgb_bssgph(msg); |
| tlli = ntohl(budh->tlli); |
| |
| /* all messages we should get, should be for a foreign tlli */ |
| OSMO_ASSERT(gprs_tlli_type(tlli) == TLLI_FOREIGN); |
| printf("TLLI(0x%08x) is foreign!\n", tlli); |
| |
| OSMO_ASSERT(ph.cmd == GPRS_LLC_UI); |
| OSMO_ASSERT(ph.sapi == 1); |
| OSMO_ASSERT(ph.seq_tx == next_wanted_nu); |
| next_wanted_nu += 1; |
| |
| /* this test just wants to see messages... no further data is sent */ |
| if (next_wanted_nu == 6) { |
| printf("GPRS attach with increasing N(U) done.\n"); |
| gprs_test_success(pcu); |
| } |
| } |