338 lines
10 KiB
C
338 lines
10 KiB
C
/* some humble start of unit testing */
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/* (C) 2015 by Harald Welte <laforge@gnumonks.org>
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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 Affero 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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#include "test_common.h"
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#include <osmocom/ranap/iu_helpers.h>
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#include <osmocom/ranap/ranap_common.h>
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#include "asn1helpers.h"
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#include <assert.h>
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#define ASSERT(x) assert(x)
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#include <osmocom/core/utils.h>
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#include <osmocom/core/socket.h>
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#include <osmocom/gsm/gsm48.h>
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#include <osmocom/ranap/RANAP_LAI.h>
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extern void *talloc_asn1_ctx;
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/* use odd number of digits */
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const uint8_t imsi_encoded[] = { 0x10, 0x32, 0x54, 0x76, 0xF8 };
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const char imsi_decoded[] = "012345678";
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void test_iu_helpers(void)
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{
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char outstr[32];
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uint8_t outbuf[16];
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int rc;
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printf("Testing Iu helper functions\n");
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printf("pre-encoded: %s\n", osmo_hexdump_nospc(imsi_encoded,
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sizeof(imsi_encoded)));
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rc = ranap_bcd_decode(outstr, sizeof(outstr), imsi_encoded,
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sizeof(imsi_encoded));
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ASSERT(rc >= 0);
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printf("decoded: %s\n", outstr);
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ASSERT(!strcmp(outstr, imsi_decoded));
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rc = ranap_imsi_encode(outbuf, sizeof(outbuf), imsi_decoded);
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ASSERT(rc >= 0);
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printf("re-encoded: %s\n", osmo_hexdump_nospc(outbuf, rc));
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ASSERT(!memcmp(outbuf, imsi_encoded, sizeof(imsi_encoded)));
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}
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const uint32_t val1 = 0xdeadbeef;
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const OCTET_STRING_t text1 = {
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.buf = (uint8_t *) "0123456789012345",
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.size = 16,
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};
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const OCTET_STRING_t text2 = {
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.buf = (uint8_t *) "01234567890123456789012345678901234567890",
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.size = 40,
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};
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void test_asn1_helpers(void)
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{
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int rc;
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void *buffer;
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BIT_STRING_t enc;
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uint32_t res, tmpval;
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char text[32];
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printf("Testing asn.1 helper functions\n");
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printf("Encoding 0x%x to asn.1 bitstring\n", val1);
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asn1_u32_to_bitstring(&enc, &tmpval, val1);
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ASSERT(enc.size == sizeof(uint32_t));
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ASSERT(enc.bits_unused == 0);
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rc = aper_encode_to_new_buffer(&asn_DEF_BIT_STRING, 0, &enc, (void **) &buffer);
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printf("Encoded: %s\n", osmo_hexdump_nospc(buffer, rc));
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res = asn1bitstr_to_u32(&enc);
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printf("Decoding back to uint32_t: 0x%x\n", res);
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ASSERT(res == val1);
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printf("Encoding 0x%x to 24-bit asn.1 bitstring\n", val1);
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asn1_u24_to_bitstring(&enc, &tmpval, val1);
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ASSERT(enc.size == 24/8);
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ASSERT(enc.bits_unused == 0);
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talloc_free(buffer);
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rc = aper_encode_to_new_buffer(&asn_DEF_BIT_STRING, 0, &enc, (void **) &buffer);
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printf("Encoded: %s\n", osmo_hexdump_nospc(buffer, rc));
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rc = asn1_strncpy(text, &text1, sizeof(text));
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printf("Decoding string from asn.1: %s\n", text);
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ASSERT(rc == 16);
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ASSERT(!strcmp(text, (char *)text1.buf));
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rc = asn1_strncpy(text, &text2, sizeof(text));
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printf("Decoding large string from asn1: %s\n", text);
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ASSERT(rc == 31);
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talloc_free(buffer);
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}
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void test_ranap_common(void)
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{
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uint8_t plmnid_buf[] = { 0x21, 0xf3, 0x54 };
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uint8_t lac_buf[] = { 0xab, 0xcd };
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struct gprs_ra_id ra_id = {0};
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int rc;
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RANAP_LAI_t lai = {
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.pLMNidentity = {
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.buf = plmnid_buf,
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.size = 3
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},
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.lAC = {
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.buf = lac_buf,
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.size = 2
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}
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};
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printf("Testing ranap common functions\n");
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printf("PLMN-Id [ %s]", osmo_hexdump(lai.pLMNidentity.buf,
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lai.pLMNidentity.size));
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printf(", LAC [ %s]\n", osmo_hexdump(lai.lAC.buf,
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lai.lAC.size));
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rc = ranap_parse_lai(&ra_id, &lai);
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printf(" rc == %d\n", rc);
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OSMO_ASSERT(rc == 0);
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printf(" mcc == %d mnc == %d\n", ra_id.mcc, ra_id.mnc);
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OSMO_ASSERT(ra_id.mcc == 123);
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OSMO_ASSERT(ra_id.mnc == 45);
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printf(" lac == 0x%x\n", ra_id.lac);
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OSMO_ASSERT(ra_id.lac == 0xabcd);
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/* three digit MNC */
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uint8_t plmnid_buf_mnc3[] = { 0x21, 0x43, 0x65 };
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lai.pLMNidentity.buf = plmnid_buf_mnc3;
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printf("PLMN-Id [ %s]", osmo_hexdump(lai.pLMNidentity.buf,
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lai.pLMNidentity.size));
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printf(", LAC [ %s]\n", osmo_hexdump(lai.lAC.buf,
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lai.lAC.size));
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rc = ranap_parse_lai(&ra_id, &lai);
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printf(" rc == %d\n", rc);
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OSMO_ASSERT(rc == 0);
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printf(" mcc == %d mnc == %d\n", ra_id.mcc, ra_id.mnc);
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OSMO_ASSERT(ra_id.mcc == 123);
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OSMO_ASSERT(ra_id.mnc == 456);
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printf(" lac == 0x%x\n", ra_id.lac);
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OSMO_ASSERT(ra_id.lac == 0xabcd);
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/* wrong PLMN-Id size */
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lai.pLMNidentity.size = 2;
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printf("PLMN-Id [ %s]", osmo_hexdump(lai.pLMNidentity.buf,
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lai.pLMNidentity.size));
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printf(", LAC [ %s]\n", osmo_hexdump(lai.lAC.buf,
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lai.lAC.size));
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rc = ranap_parse_lai(&ra_id, &lai);
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printf(" rc == %d\n", rc);
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OSMO_ASSERT(rc == -1);
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/* wrong LAC size */
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lai.pLMNidentity.size = 3;
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lai.lAC.size = 1;
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printf("PLMN-Id [ %s]", osmo_hexdump(lai.pLMNidentity.buf,
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lai.pLMNidentity.size));
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printf(", LAC [ %s]\n", osmo_hexdump(lai.lAC.buf,
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lai.lAC.size));
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rc = ranap_parse_lai(&ra_id, &lai);
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printf(" rc == %d\n", rc);
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OSMO_ASSERT(rc == -1);
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}
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void test_ranap_new_transp_info_rtp(void)
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{
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RANAP_TransportLayerInformation_t *tli;
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printf("Testing function ranap_new_transp_info_rtp()\n");
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struct osmo_sockaddr addr;
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addr.u.sin.sin_family = AF_INET;
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addr.u.sin.sin_port = htons(0x1122);
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inet_pton(AF_INET, "1.2.3.4", &addr.u.sin.sin_addr);
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printf(" ipv4, x213_nsap\n");
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tli = ranap_new_transp_info_rtp(&addr, true);
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printf(" transportLayerAddress = %s\n",
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osmo_hexdump_nospc(tli->transportLayerAddress.buf, tli->transportLayerAddress.size));
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printf(" bindingID = %s\n",
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osmo_hexdump_nospc(tli->iuTransportAssociation.choice.bindingID.buf,
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tli->iuTransportAssociation.choice.bindingID.size));
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ASN_STRUCT_FREE(asn_DEF_RANAP_TransportLayerInformation, tli);
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printf(" ipv4\n");
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tli = ranap_new_transp_info_rtp(&addr, false);
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printf(" transportLayerAddress = %s\n",
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osmo_hexdump_nospc(tli->transportLayerAddress.buf, tli->transportLayerAddress.size));
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printf(" bindingID = %s\n",
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osmo_hexdump_nospc(tli->iuTransportAssociation.choice.bindingID.buf,
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tli->iuTransportAssociation.choice.bindingID.size));
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ASN_STRUCT_FREE(asn_DEF_RANAP_TransportLayerInformation, tli);
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addr.u.sin.sin_family = AF_INET6;
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addr.u.sin.sin_port = htons(0x1122);
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inet_pton(AF_INET6, "f11f:f22f:f33f:f44f:f55f:f66f:f77f:f88f", &addr.u.sin6.sin6_addr);
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printf(" ipv6, x213_nsap\n");
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tli = ranap_new_transp_info_rtp(&addr, true);
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printf(" transportLayerAddress = %s\n",
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osmo_hexdump_nospc(tli->transportLayerAddress.buf, tli->transportLayerAddress.size));
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printf(" bindingID = %s\n",
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osmo_hexdump_nospc(tli->iuTransportAssociation.choice.bindingID.buf,
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tli->iuTransportAssociation.choice.bindingID.size));
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ASN_STRUCT_FREE(asn_DEF_RANAP_TransportLayerInformation, tli);
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printf(" ipv6\n");
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tli = ranap_new_transp_info_rtp(&addr, false);
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printf(" transportLayerAddress = %s\n",
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osmo_hexdump_nospc(tli->transportLayerAddress.buf, tli->transportLayerAddress.size));
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printf(" bindingID = %s\n",
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osmo_hexdump_nospc(tli->iuTransportAssociation.choice.bindingID.buf,
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tli->iuTransportAssociation.choice.bindingID.size));
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ASN_STRUCT_FREE(asn_DEF_RANAP_TransportLayerInformation, tli);
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addr.u.sin.sin_family = AF_X25;
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printf(" unsupported address family\n");
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tli = ranap_new_transp_info_rtp(&addr, false);
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OSMO_ASSERT(tli == NULL);
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}
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void test_ranap_new_transp_info_gtp(void)
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{
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RANAP_TransportLayerInformation_t *tli;
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printf("Testing function ranap_new_transp_info_gtp()\n");
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struct osmo_sockaddr addr;
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addr.u.sin.sin_family = AF_INET;
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inet_pton(AF_INET, "1.2.3.4", &addr.u.sin.sin_addr);
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printf(" ipv4, x213_nsap\n");
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tli = ranap_new_transp_info_gtp(&addr, 0x11223344, true);
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printf(" transportLayerAddress = %s\n",
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osmo_hexdump_nospc(tli->transportLayerAddress.buf, tli->transportLayerAddress.size));
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printf(" gTP_TEI = %s\n",
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osmo_hexdump_nospc(tli->iuTransportAssociation.choice.gTP_TEI.buf,
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tli->iuTransportAssociation.choice.gTP_TEI.size));
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ASN_STRUCT_FREE(asn_DEF_RANAP_TransportLayerInformation, tli);
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printf(" ipv4\n");
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tli = ranap_new_transp_info_gtp(&addr, 0x11223344, false);
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printf(" transportLayerAddress = %s\n",
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osmo_hexdump_nospc(tli->transportLayerAddress.buf, tli->transportLayerAddress.size));
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printf(" gTP_TEI = %s\n",
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osmo_hexdump_nospc(tli->iuTransportAssociation.choice.gTP_TEI.buf,
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tli->iuTransportAssociation.choice.gTP_TEI.size));
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ASN_STRUCT_FREE(asn_DEF_RANAP_TransportLayerInformation, tli);
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addr.u.sin.sin_family = AF_INET6;
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inet_pton(AF_INET6, "f11f:f22f:f33f:f44f:f55f:f66f:f77f:f88f", &addr.u.sin6.sin6_addr);
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printf(" ipv6, x213_nsap\n");
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tli = ranap_new_transp_info_gtp(&addr, 0x11223344, true);
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printf(" transportLayerAddress = %s\n",
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osmo_hexdump_nospc(tli->transportLayerAddress.buf, tli->transportLayerAddress.size));
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printf(" gTP_TEI = %s\n",
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osmo_hexdump_nospc(tli->iuTransportAssociation.choice.gTP_TEI.buf,
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tli->iuTransportAssociation.choice.gTP_TEI.size));
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ASN_STRUCT_FREE(asn_DEF_RANAP_TransportLayerInformation, tli);
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printf(" ipv6\n");
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tli = ranap_new_transp_info_gtp(&addr, 0x11223344, false);
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printf(" transportLayerAddress = %s\n",
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osmo_hexdump_nospc(tli->transportLayerAddress.buf, tli->transportLayerAddress.size));
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printf(" gTP_TEI = %s\n",
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osmo_hexdump_nospc(tli->iuTransportAssociation.choice.gTP_TEI.buf,
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tli->iuTransportAssociation.choice.gTP_TEI.size));
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ASN_STRUCT_FREE(asn_DEF_RANAP_TransportLayerInformation, tli);
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addr.u.sin.sin_family = AF_X25;
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printf(" unsupported address family\n");
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tli = ranap_new_transp_info_gtp(&addr, 0x11223344, false);
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OSMO_ASSERT(tli == NULL);
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}
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int main(int argc, char **argv)
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{
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asn1_xer_print = 0;
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test_common_init();
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ranap_set_log_area(DRANAP);
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test_iu_helpers();
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test_asn1_helpers();
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test_ranap_common();
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test_ranap_new_transp_info_gtp();
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test_ranap_new_transp_info_rtp();
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test_common_cleanup();
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return 0;
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}
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