/* * * Wireless daemon for Linux * * Copyright (C) 2017 Intel Corporation. All rights reserved. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA * */ #ifdef HAVE_CONFIG_H #include #endif #include #include #include #include #include "src/simutil.h" static uint8_t attr_data[] = { EAP_SIM_AT_RAND, /* attribute type */ 0x02, /* length (4 * 2) == 8 bytes */ 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, EAP_SIM_AT_AUTN, /* next attribute */ 0x01, 0x0f, 0x0f, EAP_SIM_AT_RES, /* next attribute */ 0x03, 0x09, 0x08, 0x07, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01, 0x00 }; static void test_next_attribute(const void *data) { struct eap_sim_tlv_iter iter; /* basic attribute iteration */ uint8_t rand = 0, autn = 0, res = 0; eap_sim_tlv_iter_init(&iter, attr_data, sizeof(attr_data)); while (eap_sim_tlv_iter_next(&iter)) { switch (iter.tag) { case EAP_SIM_AT_RAND: rand = 1; break; case EAP_SIM_AT_AUTN: autn = 1; break; case EAP_SIM_AT_RES: res = 1; break; default: assert(0); } } assert(rand && autn && res); } static void test_add_attribute(const void *data) { uint8_t buf[100]; char test[] = "test data"; /* test EAP_SIM_PAD_NONE */ eap_sim_add_attribute(buf, EAP_SIM_AT_RAND, EAP_SIM_PAD_NONE, (uint8_t *)test, strlen(test)); /* * Attribute should look like: * * buf[0] = AT_RAND * buf[1] = 0x03 * buf[2 - 10] = "test data" * buf[11] = 0x00 (padding) */ assert(buf[0] == EAP_SIM_AT_RAND); assert(buf[1] == 3); assert(!memcmp(buf + 2, test, 9)); assert(buf[11] == 0); /* test EAP_SIM_PAD_ZERO */ memset(buf, 0, sizeof(buf)); eap_sim_add_attribute(buf, EAP_SIM_AT_RAND, EAP_SIM_PAD_ZERO, (uint8_t *)test, strlen(test)); /* * Attribute should look like: * * buf[0] = AT_RAND * buf[1] = 0x04 * buf[2-3] = 0x0000 * buf[4-13] = "test data" * buf[14-16] = 0x000000 */ assert(buf[0] == EAP_SIM_AT_RAND); assert(buf[1] == 4); assert(buf[2] == 0 && buf[3] == 0); assert(!memcmp(buf + 4, test, strlen(test))); assert(buf[14] == 0 && buf[15] == 0 && buf[16] == 0); /* test EAP_SIM_PAD_LENGTH */ memset(buf, 0, sizeof(buf)); eap_sim_add_attribute(buf, EAP_SIM_AT_RAND, EAP_SIM_PAD_LENGTH, (uint8_t *)test, strlen(test)); /* * Attribute should look like: * * buf[0] = AT_RAND * buf[1] = 0x04 * buf[2-3] = 0x0009 * buf[4-13] = "test data" * buf[14-16] = 0x000000 */ assert(buf[0] == EAP_SIM_AT_RAND); assert(buf[1] == 4); assert(buf[2] == 0x00 && buf[3] == 0x09); assert(!memcmp(buf + 4, test, strlen(test))); assert(buf[14] == 0 && buf[15] == 0 && buf[16] == 0); /* test EAP_SIM_PAD_LENGTH_BITS */ memset(buf, 0, sizeof(buf)); eap_sim_add_attribute(buf, EAP_SIM_AT_RAND, EAP_SIM_PAD_LENGTH_BITS, (uint8_t *)test, strlen(test)); /* * Attribute should look like: * * buf[0] = AT_RAND * buf[1] = 0x04 * buf[2-3] = 0x0048 * buf[4-13] = "test data" * buf[14-16] = 0x000000 */ assert(buf[0] == EAP_SIM_AT_RAND); assert(buf[1] == 4); assert(buf[2] == 0x00 && buf[3] == 0x48); assert(!memcmp(buf + 4, test, strlen(test))); assert(buf[14] == 0 && buf[15] == 0 && buf[16] == 0); } static uint8_t ex_pkt[] = { 0x02, 0x02, 0x00, 0x1c, 0x12, 0x0b, 0x00, 0x00, 0x0b, 0x05, 0x00, 0x00, 0xf5, 0x6d, 0x64, 0x33, 0xe6, 0x8e, 0xd2, 0x97, 0x6a, 0xc1, 0x19, 0x37, 0xfc, 0x3d, 0x11, 0x54 }; static uint8_t ex_mac[] = { 0xf5, 0x6d, 0x64, 0x33, 0xe6, 0x8e, 0xd2, 0x97, 0x6a, 0xc1, 0x19, 0x37, 0xfc, 0x3d, 0x11, 0x54 }; static uint8_t ex_sres[] = { 0xd1, 0xd2, 0xd3, 0xd4, 0xe1, 0xe2, 0xe3, 0xe4, 0xf1, 0xf2, 0xf3, 0xf4 }; static uint8_t ex_k_aut[] = { 0x25, 0xaf, 0x19, 0x42, 0xef, 0xcb, 0xf4, 0xbc, 0x72, 0xb3, 0x94, 0x34, 0x21, 0xf2, 0xa9, 0x74 }; static void test_calc_mac(const void *data) { uint8_t pkt[100]; uint8_t pos = 0; /* header */ memcpy(pkt, ex_pkt, 8); pos += 8; /* add MAC attribute */ pos += eap_sim_add_attribute(pkt + 8, EAP_SIM_AT_MAC, EAP_SIM_PAD_ZERO, NULL, EAP_SIM_MAC_LEN); memcpy(pkt + pos, ex_sres, 12); eap_sim_derive_mac(pkt, sizeof(ex_pkt) + 12, ex_k_aut, pkt + pos - EAP_SIM_MAC_LEN); assert(!memcmp(ex_mac, pkt + pos - EAP_SIM_MAC_LEN, EAP_SIM_MAC_LEN)); assert(!memcmp(ex_pkt, pkt, sizeof(ex_pkt))); } static uint8_t ex_mk[] = { 0xe5, 0x76, 0xd5, 0xca, 0x33, 0x2e, 0x99, 0x30, 0x01, 0x8b, 0xf1, 0xba, 0xee, 0x27, 0x63, 0xc7, 0x95, 0xb3, 0xc7, 0x12 }; static uint8_t ex_keys[] = { 0x53, 0x6e, 0x5e, 0xbc, 0x44, 0x65, 0x58, 0x2a, 0xa6, 0xa8, 0xec, 0x99, 0x86, 0xeb, 0xb6, 0x20, 0x25, 0xaf, 0x19, 0x42, 0xef, 0xcb, 0xf4, 0xbc, 0x72, 0xb3, 0x94, 0x34, 0x21, 0xf2, 0xa9, 0x74, 0x39, 0xd4, 0x5a, 0xea, 0xf4, 0xe3, 0x06, 0x01, 0x98, 0x3e, 0x97, 0x2b, 0x6c, 0xfd, 0x46, 0xd1, 0xc3, 0x63, 0x77, 0x33, 0x65, 0x69, 0x0d, 0x09, 0xcd, 0x44, 0x97, 0x6b, 0x52, 0x5f, 0x47, 0xd3, 0xa6, 0x0a, 0x98, 0x5e, 0x95, 0x5c, 0x53, 0xb0, 0x90, 0xb2, 0xe4, 0xb7, 0x37, 0x19, 0x19, 0x6a, 0x40, 0x25, 0x42, 0x96, 0x8f, 0xd1, 0x4a, 0x88, 0x8f, 0x46, 0xb9, 0xa7, 0x88, 0x6e, 0x44, 0x88, 0x59, 0x49, 0xea, 0xb0, 0xff, 0xf6, 0x9d, 0x52, 0x31, 0x5c, 0x6c, 0x63, 0x4f, 0xd1, 0x4a, 0x7f, 0x0d, 0x52, 0x02, 0x3d, 0x56, 0xf7, 0x96, 0x98, 0xfa, 0x65, 0x96, 0xab, 0xee, 0xd4, 0xf9, 0x3f, 0xbb, 0x48, 0xeb, 0x53, 0x4d, 0x98, 0x54, 0x14, 0xce, 0xed, 0x0d, 0x9a, 0x8e, 0xd3, 0x3c, 0x38, 0x7c, 0x9d, 0xfd, 0xab, 0x92, 0xff, 0xbd, 0xf2, 0x40, 0xfc, 0xec, 0xf6, 0x5a, 0x2c, 0x93, 0xb9 }; static void test_prng(const void *data) { uint8_t prng_buf[160]; eap_sim_fips_prf((uint8_t *)ex_mk, 20, prng_buf, sizeof(ex_keys)); assert(!memcmp(prng_buf, (uint8_t *)ex_keys, sizeof(ex_keys))); } int main(int argc, char *argv[]) { l_test_init(&argc, &argv); l_test_add("EAP-SIM next attribute test", test_next_attribute, NULL); l_test_add("EAP-SIM add attribute test", test_add_attribute, NULL); l_test_add("EAP-SIM calculate MAC test", test_calc_mac, NULL); l_test_add("EAP-SIM PRNG test", test_prng, NULL); return l_test_run(); }