| /* some humble start of unit testing */ |
| |
| /* (C) 2015 by Harald Welte <laforge@gnumonks.org> |
| * 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 Affero 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/>. |
| * |
| */ |
| |
| #include "test_common.h" |
| |
| #include <osmocom/ranap/iu_helpers.h> |
| #include <osmocom/ranap/ranap_common.h> |
| #include "asn1helpers.h" |
| |
| #include <assert.h> |
| #define ASSERT(x) assert(x) |
| |
| #include <osmocom/core/utils.h> |
| #include <osmocom/gsm/gsm48.h> |
| |
| #include <osmocom/ranap/RANAP_LAI.h> |
| |
| int asn1_xer_print = 0; |
| void *talloc_asn1_ctx; |
| |
| /* use odd number of digits */ |
| const uint8_t imsi_encoded[] = { 0x10, 0x32, 0x54, 0x76, 0xF8 }; |
| const char imsi_decoded[] = "012345678"; |
| |
| void test_iu_helpers(void) |
| { |
| char outstr[32]; |
| uint8_t outbuf[16]; |
| int rc; |
| |
| printf("Testing Iu helper functions\n"); |
| |
| printf("pre-encoded: %s\n", osmo_hexdump_nospc(imsi_encoded, |
| sizeof(imsi_encoded))); |
| rc = ranap_bcd_decode(outstr, sizeof(outstr), imsi_encoded, |
| sizeof(imsi_encoded)); |
| ASSERT(rc >= 0); |
| printf("decoded: %s\n", outstr); |
| ASSERT(!strcmp(outstr, imsi_decoded)); |
| |
| rc = ranap_imsi_encode(outbuf, sizeof(outbuf), imsi_decoded); |
| ASSERT(rc >= 0); |
| printf("re-encoded: %s\n", osmo_hexdump_nospc(outbuf, rc)); |
| ASSERT(!memcmp(outbuf, imsi_encoded, sizeof(imsi_encoded))); |
| } |
| |
| const uint32_t val1 = 0xdeadbeef; |
| |
| const OCTET_STRING_t text1 = { |
| .buf = "0123456789012345", |
| .size = 16, |
| }; |
| |
| const OCTET_STRING_t text2 = { |
| .buf = "01234567890123456789012345678901234567890", |
| .size = 40, |
| }; |
| |
| void test_asn1_helpers(void) |
| { |
| int rc; |
| |
| void *buffer; |
| BIT_STRING_t enc; |
| uint32_t res, tmpval; |
| char text[32]; |
| |
| printf("Testing asn.1 helper functions\n"); |
| |
| printf("Encoding 0x%x to asn.1 bitstring\n", val1); |
| asn1_u32_to_bitstring(&enc, &tmpval, val1); |
| |
| ASSERT(enc.size == sizeof(uint32_t)); |
| ASSERT(enc.bits_unused == 0); |
| |
| rc = aper_encode_to_new_buffer(&asn_DEF_BIT_STRING, 0, &enc, (void **) &buffer); |
| printf("Encoded: %s\n", osmo_hexdump_nospc(buffer, rc)); |
| |
| res = asn1bitstr_to_u32(&enc); |
| |
| printf("Decoding back to uint32_t: 0x%x\n", res); |
| ASSERT(res == val1); |
| |
| printf("Encoding %s to 24-bit asn.1 bitstring\n", |
| osmo_hexdump_nospc((unsigned char*)&val1, 3)); |
| asn1_u24_to_bitstring(&enc, &tmpval, val1); |
| |
| ASSERT(enc.size == 24/8); |
| ASSERT(enc.bits_unused == 0); |
| |
| talloc_free(buffer); |
| |
| rc = aper_encode_to_new_buffer(&asn_DEF_BIT_STRING, 0, &enc, (void **) &buffer); |
| printf("Encoded: %s\n", osmo_hexdump_nospc(buffer, rc)); |
| |
| rc = asn1_strncpy(text, &text1, sizeof(text)); |
| printf("Decoding string from asn.1: %s\n", text); |
| |
| ASSERT(rc == 16); |
| ASSERT(!strcmp(text, (char *)text1.buf)); |
| |
| rc = asn1_strncpy(text, &text2, sizeof(text)); |
| printf("Decoding large string from asn1: %s\n", text); |
| ASSERT(rc == 31); |
| |
| talloc_free(buffer); |
| } |
| |
| void test_ranap_common(void) |
| { |
| uint8_t plmnid_buf[] = { 0x21, 0xf3, 0x54 }; |
| uint8_t lac_buf[] = { 0xab, 0xcd }; |
| |
| struct gprs_ra_id ra_id = {0}; |
| |
| int rc; |
| |
| RANAP_LAI_t lai = { |
| .pLMNidentity = { |
| .buf = plmnid_buf, |
| .size = 3 |
| }, |
| .lAC = { |
| .buf = lac_buf, |
| .size = 2 |
| } |
| }; |
| |
| printf("Testing ranap common functions\n"); |
| |
| printf("PLMN-Id [ %s]", osmo_hexdump((char*)lai.pLMNidentity.buf, |
| lai.pLMNidentity.size)); |
| printf(", LAC [ %s]\n", osmo_hexdump((char*)lai.lAC.buf, |
| lai.lAC.size)); |
| |
| rc = ranap_parse_lai(&ra_id, &lai); |
| printf(" rc == %d\n", rc); |
| OSMO_ASSERT(rc == 0); |
| printf(" mcc == %d mnc == %d\n", ra_id.mcc, ra_id.mnc); |
| OSMO_ASSERT(ra_id.mcc == 123); |
| OSMO_ASSERT(ra_id.mnc == 45); |
| printf(" lac == 0x%x\n", ra_id.lac); |
| OSMO_ASSERT(ra_id.lac == 0xabcd); |
| |
| |
| /* three digit MNC */ |
| uint8_t plmnid_buf_mnc3[] = { 0x21, 0x43, 0x65 }; |
| lai.pLMNidentity.buf = plmnid_buf_mnc3; |
| |
| printf("PLMN-Id [ %s]", osmo_hexdump((char*)lai.pLMNidentity.buf, |
| lai.pLMNidentity.size)); |
| printf(", LAC [ %s]\n", osmo_hexdump((char*)lai.lAC.buf, |
| lai.lAC.size)); |
| |
| rc = ranap_parse_lai(&ra_id, &lai); |
| printf(" rc == %d\n", rc); |
| OSMO_ASSERT(rc == 0); |
| printf(" mcc == %d mnc == %d\n", ra_id.mcc, ra_id.mnc); |
| OSMO_ASSERT(ra_id.mcc == 123); |
| OSMO_ASSERT(ra_id.mnc == 456); |
| printf(" lac == 0x%x\n", ra_id.lac); |
| OSMO_ASSERT(ra_id.lac == 0xabcd); |
| |
| |
| /* wrong PLMN-Id size */ |
| lai.pLMNidentity.size = 2; |
| |
| printf("PLMN-Id [ %s]", osmo_hexdump((char*)lai.pLMNidentity.buf, |
| lai.pLMNidentity.size)); |
| printf(", LAC [ %s]\n", osmo_hexdump((char*)lai.lAC.buf, |
| lai.lAC.size)); |
| |
| rc = ranap_parse_lai(&ra_id, &lai); |
| printf(" rc == %d\n", rc); |
| OSMO_ASSERT(rc == -1); |
| |
| |
| /* wrong LAC size */ |
| lai.pLMNidentity.size = 3; |
| lai.lAC.size = 1; |
| |
| printf("PLMN-Id [ %s]", osmo_hexdump((char*)lai.pLMNidentity.buf, |
| lai.pLMNidentity.size)); |
| printf(", LAC [ %s]\n", osmo_hexdump((char*)lai.lAC.buf, |
| lai.lAC.size)); |
| |
| rc = ranap_parse_lai(&ra_id, &lai); |
| printf(" rc == %d\n", rc); |
| OSMO_ASSERT(rc == -1); |
| } |
| |
| int main(int argc, char **argv) |
| { |
| test_common_init(); |
| |
| test_iu_helpers(); |
| test_asn1_helpers(); |
| test_ranap_common(); |
| |
| test_common_cleanup(); |
| return 0; |
| } |