89 lines
2.5 KiB
C++
89 lines
2.5 KiB
C++
/* (C) 2013 by Holger Hans Peter Freyther
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*
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* All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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extern "C" {
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#include <osmocom/core/msgb.h>
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#include <osmocom/core/backtrace.h>
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#include <osmocom/gsm/gsm_utils.h>
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}
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#include "openbsc_clone.h"
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#include "gprs_tests.h"
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#include <gprs_bssgp_pcu.h>
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#include <stdint.h>
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#include <string.h>
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/* GPRS attach with a foreign TLLI */
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static const uint8_t gprs_attach_llc[] = {
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/* LLC-PDU IE */
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0x0e, 0x00, 0x2e,
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0x01, 0xc0, 0x01, 0x08, 0x01, 0x02, 0xf5, 0x40,
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0x71, 0x08, 0x00, 0x05, 0xf4, 0x2d, 0xf1, 0x18,
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0x20, 0x62, 0xf2, 0x10, 0x09, 0x67, 0x00, 0x13,
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0x16, 0x73, 0x43, 0x2a, 0x80, 0x42, 0x00, 0x42,
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0x88, 0x0b, 0x04, 0x20, 0x04, 0x2e, 0x82, 0x30,
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0x42, 0x00, 0x40, 0xaa, 0xf3, 0x18
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};
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static int next_wanted_nu;
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void test_replay_gprs_attach(struct gprs_bssgp_pcu *pcu)
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{
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uint32_t tlli = 0xadf11820;
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const uint8_t qos_profile[] = { 0x0, 0x0, 0x04 };
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next_wanted_nu = 0;
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struct msgb *msg = create_msg(gprs_attach_llc, ARRAY_SIZE(gprs_attach_llc));
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bssgp_tx_ul_ud(pcu->bctx, tlli, qos_profile, msg);
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}
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void test_replay_gprs_data(struct gprs_bssgp_pcu *pcu, struct msgb *msg, struct tlv_parsed *tp)
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{
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struct bssgp_ud_hdr *budh;
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struct gprs_llc_hdr_parsed ph;
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uint32_t tlli;
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if (!TLVP_PRESENT(tp, BSSGP_IE_LLC_PDU))
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return;
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gprs_llc_hdr_parse(&ph, TLVP_VAL(tp, BSSGP_IE_LLC_PDU),
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TLVP_LEN(tp, BSSGP_IE_LLC_PDU));
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budh = (struct bssgp_ud_hdr *)msgb_bssgph(msg);
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tlli = ntohl(budh->tlli);
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/* all messages we should get, should be for a foreign tlli */
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OSMO_ASSERT(gprs_tlli_type(tlli) == TLLI_FOREIGN);
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printf("TLLI(0x%08x) is foreign!\n", tlli);
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OSMO_ASSERT(ph.cmd == GPRS_LLC_UI);
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OSMO_ASSERT(ph.sapi == 1);
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OSMO_ASSERT(ph.seq_tx == next_wanted_nu++);
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/* this test just wants to see messages... no further data is sent */
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if (next_wanted_nu == 6) {
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printf("GPRS attach with increasing N(U) done.\n");
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gprs_test_success(pcu);
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}
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}
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