LLVMFuzzerInitialize: 46| 2|int LLVMFuzzerInitialize(int *argc, char ***argv) { 47| 2| (void)argc; 48| 2| (void)argv; 49| | 50| 2|#if defined(OPENSSL_INIT_NO_LOAD_CONFIG) && !defined(LIBRESSL_VERSION_NUMBER) 51| | /* 52| | * Keep fuzzing deterministic and avoid MSan reports from OpenSSL's 53| | * environment-dependent config file loading in unsanitized libcrypto. 54| | */ 55| 2| OPENSSL_init_crypto(OPENSSL_INIT_NO_LOAD_CONFIG, NULL); 56| 2|#endif 57| | 58| 2| seed_addr_mappings(); 59| | 60| 2| return 0; 61| 2|} FuzzOpenSSLInit.c:seed_addr_mappings: 29| 2|static void seed_addr_mappings(void) { 30| 2| ioa_addr pub4 = {0}; 31| 2| ioa_addr priv4 = {0}; 32| 2| ioa_addr pub6 = {0}; 33| 2| ioa_addr priv6 = {0}; 34| | 35| 2| if (make_ioa_addr((const uint8_t *)"192.0.2.1", 0, &pub4) == 0 && ------------------ | Branch (35:7): [True: 2, False: 0] ------------------ 36| 2| make_ioa_addr((const uint8_t *)"10.0.0.1", 0, &priv4) == 0) { ------------------ | Branch (36:7): [True: 2, False: 0] ------------------ 37| 2| ioa_addr_add_mapping(&pub4, &priv4); 38| 2| } 39| | 40| 2| if (make_ioa_addr((const uint8_t *)"2001:db8::1", 0, &pub6) == 0 && ------------------ | Branch (40:7): [True: 2, False: 0] ------------------ 41| 2| make_ioa_addr((const uint8_t *)"fd00::1", 0, &priv6) == 0) { ------------------ | Branch (41:7): [True: 2, False: 0] ------------------ 42| 2| ioa_addr_add_mapping(&pub6, &priv6); 43| 2| } 44| 2|} LLVMFuzzerTestOneInput: 598| 1.72k|extern int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { 599| 1.72k| harness_integrity_sha1(Data, Size); 600| 1.72k| harness_integrity_multi(Data, Size); 601| 1.72k| harness_attr_iter(Data, Size); 602| 1.72k| harness_attr_add(Data, Size); 603| 1.72k| harness_old_stun(Data, Size); 604| 1.72k| harness_challenge_response_builder(Data, Size); 605| 1.72k| harness_full_addr_parser(Data, Size); 606| 1.72k| harness_integrity_attr_add(Data, Size); 607| 1.72k| return 0; 608| 1.72k|} FuzzStun.c:harness_integrity_sha1: 49| 1.72k|static void harness_integrity_sha1(const uint8_t *Data, size_t Size) { 50| 1.72k| if (Size < 10 || Size > 5120) { ------------------ | Branch (50:7): [True: 69, False: 1.65k] | Branch (50:20): [True: 87, False: 1.57k] ------------------ 51| 156| return; 52| 156| } 53| | 54| 1.57k| stun_is_command_message_full_check_str((uint8_t *)Data, Size, true, NULL); 55| | 56| 1.57k| uint8_t uname[STUN_MAX_USERNAME_SIZE + 1] = "fuzzuser"; 57| 1.57k| uint8_t realm[STUN_MAX_REALM_SIZE + 1] = "fuzz.realm"; 58| 1.57k| uint8_t upwd[STUN_MAX_PWD_SIZE + 1] = "VOkJxbRl1RmTxUk/WvJxBt"; 59| | 60| 1.57k| stun_check_message_integrity_str(TURN_CREDENTIALS_SHORT_TERM, (uint8_t *)Data, Size, uname, realm, upwd, 61| 1.57k| SHATYPE_SHA1); 62| 1.57k| stun_check_message_integrity_str(TURN_CREDENTIALS_LONG_TERM, (uint8_t *)Data, Size, uname, realm, upwd, 63| 1.57k| SHATYPE_SHA256); 64| 1.57k|} FuzzStun.c:harness_integrity_multi: 69| 1.72k|static void harness_integrity_multi(const uint8_t *Data, size_t Size) { 70| 1.72k| if (Size < STUN_HEADER_LENGTH || Size > 5120) { ------------------ | | 46| 3.45k|#define STUN_HEADER_LENGTH (20) ------------------ | Branch (70:7): [True: 80, False: 1.64k] | Branch (70:36): [True: 87, False: 1.56k] ------------------ 71| 167| return; 72| 167| } 73| | 74| 1.56k| uint8_t buf[5120]; 75| 1.56k| uint8_t uname[STUN_MAX_USERNAME_SIZE + 1] = "fuzzuser"; 76| 1.56k| uint8_t realm[STUN_MAX_REALM_SIZE + 1] = "fuzz.realm"; 77| 1.56k| uint8_t upwd[STUN_MAX_PWD_SIZE + 1] = "VOkJxbRl1RmTxUk/WvJxBt"; 78| | 79| 1.56k| static const SHATYPE sha_types[] = {SHATYPE_SHA1, SHATYPE_SHA256, SHATYPE_SHA384, SHATYPE_SHA512}; 80| 1.56k| const size_t num_sha = sizeof(sha_types) / sizeof(sha_types[0]); 81| | 82| 7.80k| for (size_t s = 0; s < num_sha; s++) { ------------------ | Branch (82:22): [True: 6.24k, False: 1.56k] ------------------ 83| 6.24k| memcpy(buf, Data, Size); 84| 6.24k| stun_is_command_message_full_check_str(buf, Size, true, NULL); 85| 6.24k| stun_check_message_integrity_str(TURN_CREDENTIALS_SHORT_TERM, buf, Size, uname, realm, upwd, sha_types[s]); 86| | 87| 6.24k| memcpy(buf, Data, Size); 88| 6.24k| stun_check_message_integrity_str(TURN_CREDENTIALS_LONG_TERM, buf, Size, uname, realm, upwd, sha_types[s]); 89| 6.24k| } 90| 1.56k|} FuzzStun.c:harness_attr_iter: 148| 1.72k|static void harness_attr_iter(const uint8_t *Data, size_t Size) { 149| 1.72k| if (Size < STUN_HEADER_LENGTH || Size > 8192) { ------------------ | | 46| 3.45k|#define STUN_HEADER_LENGTH (20) ------------------ | Branch (149:7): [True: 80, False: 1.64k] | Branch (149:36): [True: 72, False: 1.57k] ------------------ 150| 152| return; 151| 152| } 152| | 153| 1.57k| uint8_t buf[8192]; 154| 1.57k| memcpy(buf, Data, Size); 155| | 156| 1.57k| if (!stun_is_command_message_str(buf, Size)) { ------------------ | Branch (156:7): [True: 444, False: 1.13k] ------------------ 157| 444| return; 158| 444| } 159| | 160| 1.13k| stun_attr_ref sar = stun_attr_get_first_str(buf, Size); 161| 22.7k| while (sar) { ------------------ | Branch (161:10): [True: 21.6k, False: 1.13k] ------------------ 162| 21.6k| (void)stun_attr_get_type(sar); 163| 21.6k| (void)stun_attr_get_len(sar); 164| 21.6k| (void)stun_attr_get_value(sar); 165| 21.6k| (void)stun_attr_is_addr(sar); 166| 21.6k| sar = stun_attr_get_next_str(buf, Size, sar); 167| 21.6k| } 168| | 169| 1.13k| ioa_addr addr; 170| 1.13k| const size_t num_addr_attrs = sizeof(kAddrAttrs) / sizeof(kAddrAttrs[0]); 171| 10.1k| for (size_t i = 0; i < num_addr_attrs; i++) { ------------------ | Branch (171:22): [True: 9.04k, False: 1.13k] ------------------ 172| 9.04k| sar = stun_attr_get_first_by_type_str(buf, Size, kAddrAttrs[i]); 173| 9.04k| if (sar) { ------------------ | Branch (173:9): [True: 1.29k, False: 7.75k] ------------------ 174| 1.29k| memset(&addr, 0, sizeof(addr)); 175| 1.29k| stun_attr_get_addr_str(buf, Size, sar, &addr, NULL); 176| 1.29k| } 177| 9.04k| memset(&addr, 0, sizeof(addr)); 178| 9.04k| stun_attr_get_first_addr_str(buf, Size, kAddrAttrs[i], &addr, NULL); 179| 9.04k| } 180| | 181| 1.13k| sar = stun_attr_get_first_by_type_str(buf, Size, STUN_ATTRIBUTE_CHANNEL_NUMBER); ------------------ | | 113| 1.13k|#define STUN_ATTRIBUTE_CHANNEL_NUMBER (0x000C) ------------------ 182| 1.13k| if (sar) { ------------------ | Branch (182:7): [True: 219, False: 912] ------------------ 183| 219| (void)stun_attr_get_channel_number(sar); 184| 219| } 185| 1.13k| (void)stun_attr_get_first_channel_number_str(buf, Size); 186| | 187| 1.13k| sar = stun_attr_get_first_by_type_str(buf, Size, STUN_ATTRIBUTE_REQUESTED_ADDRESS_FAMILY); ------------------ | | 104| 1.13k|#define STUN_ATTRIBUTE_REQUESTED_ADDRESS_FAMILY (0x0017) ------------------ 188| 1.13k| if (sar) { ------------------ | Branch (188:7): [True: 17, False: 1.11k] ------------------ 189| 17| (void)stun_get_requested_address_family(sar); 190| 17| } 191| | 192| 1.13k| sar = stun_attr_get_first_by_type_str(buf, Size, STUN_ATTRIBUTE_ADDITIONAL_ADDRESS_FAMILY); ------------------ | | 140| 1.13k|#define STUN_ATTRIBUTE_ADDITIONAL_ADDRESS_FAMILY (0x8000) ------------------ 193| 1.13k| if (sar) { ------------------ | Branch (193:7): [True: 91, False: 1.04k] ------------------ 194| 91| (void)stun_get_requested_address_family(sar); 195| 91| } 196| | 197| 1.13k| sar = stun_attr_get_first_by_type_str(buf, Size, STUN_ATTRIBUTE_EVEN_PORT); ------------------ | | 119| 1.13k|#define STUN_ATTRIBUTE_EVEN_PORT (0x0018) ------------------ 198| 1.13k| if (sar) { ------------------ | Branch (198:7): [True: 26, False: 1.10k] ------------------ 199| 26| (void)stun_attr_get_even_port(sar); 200| 26| } 201| | 202| 1.13k| sar = stun_attr_get_first_by_type_str(buf, Size, STUN_ATTRIBUTE_BANDWIDTH); ------------------ | | 115| 1.13k|#define STUN_ATTRIBUTE_BANDWIDTH (0x0010) ------------------ 203| 1.13k| if (sar) { ------------------ | Branch (203:7): [True: 52, False: 1.07k] ------------------ 204| 52| (void)stun_attr_get_bandwidth(sar); 205| 52| } 206| | 207| 1.13k| sar = stun_attr_get_first_by_type_str(buf, Size, STUN_ATTRIBUTE_NEW_BANDWIDTH); ------------------ | | 52| 1.13k|#define STUN_ATTRIBUTE_NEW_BANDWIDTH (0x8000 + STUN_ATTRIBUTE_BANDWIDTH) | | ------------------ | | | | 115| 1.13k|#define STUN_ATTRIBUTE_BANDWIDTH (0x0010) | | ------------------ ------------------ 208| 1.13k| if (sar) { ------------------ | Branch (208:7): [True: 16, False: 1.11k] ------------------ 209| 16| (void)stun_attr_get_bandwidth(sar); 210| 16| } 211| | 212| 1.13k| sar = stun_attr_get_first_by_type_str(buf, Size, STUN_ATTRIBUTE_RESERVATION_TOKEN); ------------------ | | 123| 1.13k|#define STUN_ATTRIBUTE_RESERVATION_TOKEN (0x0022) ------------------ 213| 1.13k| if (sar) { ------------------ | Branch (213:7): [True: 33, False: 1.09k] ------------------ 214| 33| (void)stun_attr_get_reservation_token_value(sar); 215| 33| } 216| | 217| 1.13k| sar = stun_attr_get_first_by_type_str(buf, Size, STUN_ATTRIBUTE_CHANGE_REQUEST); ------------------ | | 93| 1.13k|#define STUN_ATTRIBUTE_CHANGE_REQUEST (0x0003) ------------------ 218| 1.13k| if (sar) { ------------------ | Branch (218:7): [True: 39, False: 1.09k] ------------------ 219| 39| bool change_ip = false, change_port = false; 220| 39| stun_attr_get_change_request_str(sar, &change_ip, &change_port); 221| 39| } 222| | 223| 1.13k| sar = stun_attr_get_first_by_type_str(buf, Size, STUN_ATTRIBUTE_RESPONSE_PORT); ------------------ | | 131| 1.13k|#define STUN_ATTRIBUTE_RESPONSE_PORT (0x0027) ------------------ 224| 1.13k| if (sar) { ------------------ | Branch (224:7): [True: 35, False: 1.09k] ------------------ 225| 35| (void)stun_attr_get_response_port_str(sar); 226| 35| } 227| | 228| 1.13k| sar = stun_attr_get_first_by_type_str(buf, Size, STUN_ATTRIBUTE_PADDING); ------------------ | | 130| 1.13k|#define STUN_ATTRIBUTE_PADDING (0x0026) ------------------ 229| 1.13k| if (sar) { ------------------ | Branch (229:7): [True: 35, False: 1.09k] ------------------ 230| 35| (void)stun_attr_get_padding_len_str(sar); 231| 35| } 232| | 233| 1.13k| { 234| 1.13k| int err_code = 0; 235| 1.13k| uint8_t err_msg[1024] = {0}; 236| 1.13k| stun_is_error_response_str(buf, Size, &err_code, err_msg, sizeof(err_msg)); 237| 1.13k| } 238| 1.13k| { 239| 1.13k| int err_code = 0; 240| 1.13k| uint8_t err_msg[1024] = {0}; 241| 1.13k| uint8_t chal_realm[STUN_MAX_REALM_SIZE + 1] = {0}; 242| 1.13k| uint8_t chal_nonce[STUN_MAX_NONCE_SIZE + 1] = {0}; 243| 1.13k| uint8_t server_name[STUN_MAX_SERVER_NAME_SIZE + 1] = {0}; 244| 1.13k| bool oauth = false; 245| 1.13k| stun_is_challenge_response_str(buf, Size, &err_code, err_msg, sizeof(err_msg), chal_realm, chal_nonce, server_name, 246| 1.13k| &oauth); 247| 1.13k| } 248| | 249| 1.13k| const size_t num_all_attrs = sizeof(kAllAttrTypes) / sizeof(kAllAttrTypes[0]); 250| 50.8k| for (size_t i = 0; i < num_all_attrs; i++) { ------------------ | Branch (250:22): [True: 49.7k, False: 1.13k] ------------------ 251| 49.7k| sar = stun_attr_get_first_by_type_str(buf, Size, kAllAttrTypes[i]); 252| 49.7k| if (sar) { ------------------ | Branch (252:9): [True: 2.63k, False: 47.1k] ------------------ 253| 2.63k| (void)stun_attr_get_type(sar); 254| 2.63k| (void)stun_attr_get_len(sar); 255| 2.63k| (void)stun_attr_get_value(sar); 256| 2.63k| } 257| 49.7k| } 258| 1.13k|} FuzzStun.c:harness_attr_add: 263| 1.72k|static void harness_attr_add(const uint8_t *Data, size_t Size) { 264| 1.72k| if (Size < STUN_HEADER_LENGTH || Size > 4096) { ------------------ | | 46| 3.45k|#define STUN_HEADER_LENGTH (20) ------------------ | Branch (264:7): [True: 80, False: 1.64k] | Branch (264:36): [True: 123, False: 1.52k] ------------------ 265| 203| return; 266| 203| } 267| | 268| 1.52k| uint8_t buf[MAX_STUN_MESSAGE_SIZE] = {0}; 269| 1.52k| memcpy(buf, Data, Size); 270| 1.52k| size_t len = Size; 271| | 272| 1.52k| if (!stun_is_command_message_str(buf, len)) { ------------------ | Branch (272:7): [True: 410, False: 1.11k] ------------------ 273| 410| return; 274| 410| } 275| | 276| 1.11k| uint8_t test_uname[] = "fuzzuser@fuzz.realm"; 277| 1.11k| stun_attr_add_str(buf, &len, STUN_ATTRIBUTE_USERNAME, test_uname, (int)(sizeof(test_uname) - 1)); ------------------ | | 96| 1.11k|#define STUN_ATTRIBUTE_USERNAME (0x0006) ------------------ 278| | 279| 1.11k| uint8_t test_realm[] = "fuzz.realm"; 280| 1.11k| stun_attr_add_str(buf, &len, STUN_ATTRIBUTE_REALM, test_realm, (int)(sizeof(test_realm) - 1)); ------------------ | | 102| 1.11k|#define STUN_ATTRIBUTE_REALM (0x0014) ------------------ 281| | 282| 1.11k| uint8_t test_nonce[] = "fuzznonce0123456789abcdef"; 283| 1.11k| stun_attr_add_str(buf, &len, STUN_ATTRIBUTE_NONCE, test_nonce, (int)(sizeof(test_nonce) - 1)); ------------------ | | 103| 1.11k|#define STUN_ATTRIBUTE_NONCE (0x0015) ------------------ 284| | 285| 1.11k| uint8_t test_sw[] = "coturn-fuzz/1.0"; 286| 1.11k| stun_attr_add_str(buf, &len, STUN_ATTRIBUTE_SOFTWARE, test_sw, (int)(sizeof(test_sw) - 1)); ------------------ | | 108| 1.11k|#define STUN_ATTRIBUTE_SOFTWARE (0x8022) ------------------ 287| | 288| 1.11k| uint8_t lifetime_val[4] = {0x00, 0x00, 0x02, 0x58}; 289| 1.11k| stun_attr_add_str(buf, &len, STUN_ATTRIBUTE_LIFETIME, lifetime_val, 4); ------------------ | | 114| 1.11k|#define STUN_ATTRIBUTE_LIFETIME (0x000D) ------------------ 290| | 291| 1.11k| uint8_t transport_val[4] = {STUN_ATTRIBUTE_TRANSPORT_UDP_VALUE, 0x00, 0x00, 0x00}; ------------------ | | 172| 1.11k|#define STUN_ATTRIBUTE_TRANSPORT_UDP_VALUE (17) ------------------ 292| 1.11k| stun_attr_add_str(buf, &len, STUN_ATTRIBUTE_REQUESTED_TRANSPORT, transport_val, 4); ------------------ | | 120| 1.11k|#define STUN_ATTRIBUTE_REQUESTED_TRANSPORT (0x0019) ------------------ 293| | 294| 1.11k| uint8_t af_val[4] = {STUN_ATTRIBUTE_REQUESTED_ADDRESS_FAMILY_VALUE_IPV4, 0x00, 0x00, 0x00}; ------------------ | | 164| 1.11k|#define STUN_ATTRIBUTE_REQUESTED_ADDRESS_FAMILY_VALUE_IPV4 (0x01) ------------------ 295| 1.11k| stun_attr_add_str(buf, &len, STUN_ATTRIBUTE_REQUESTED_ADDRESS_FAMILY, af_val, 4); ------------------ | | 104| 1.11k|#define STUN_ATTRIBUTE_REQUESTED_ADDRESS_FAMILY (0x0017) ------------------ 296| | 297| 1.11k| uint8_t even_port_val[1] = {0x80}; 298| 1.11k| stun_attr_add_str(buf, &len, STUN_ATTRIBUTE_EVEN_PORT, even_port_val, 1); ------------------ | | 119| 1.11k|#define STUN_ATTRIBUTE_EVEN_PORT (0x0018) ------------------ 299| | 300| 1.11k| stun_attr_add_str(buf, &len, STUN_ATTRIBUTE_DONT_FRAGMENT, NULL, 0); ------------------ | | 121| 1.11k|#define STUN_ATTRIBUTE_DONT_FRAGMENT (0x001A) ------------------ 301| | 302| 1.11k| stun_attr_add_channel_number_str(buf, &len, 0x4001); 303| | 304| 1.11k| stun_attr_add_bandwidth_str(buf, &len, 1000000); 305| | 306| 1.11k| ioa_addr addr4 = {0}; 307| 1.11k| addr4.s4.sin_family = AF_INET; 308| 1.11k| addr4.s4.sin_port = htons(12345); 309| 1.11k| addr4.s4.sin_addr.s_addr = htonl(0xC0A80001); 310| 1.11k| stun_attr_add_addr_str(buf, &len, STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS, &addr4); ------------------ | | 105| 1.11k|#define STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS (0x0020) ------------------ 311| 1.11k| stun_attr_add_addr_str(buf, &len, STUN_ATTRIBUTE_XOR_PEER_ADDRESS, &addr4); ------------------ | | 116| 1.11k|#define STUN_ATTRIBUTE_XOR_PEER_ADDRESS (0x0012) ------------------ 312| 1.11k| stun_attr_add_addr_str(buf, &len, STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS, &addr4); ------------------ | | 118| 1.11k|#define STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS (0x0016) ------------------ 313| 1.11k| stun_attr_add_addr_str(buf, &len, STUN_ATTRIBUTE_MAPPED_ADDRESS, &addr4); ------------------ | | 91| 1.11k|#define STUN_ATTRIBUTE_MAPPED_ADDRESS (0x0001) ------------------ 314| | 315| 1.11k| ioa_addr addr6 = {0}; 316| 1.11k| addr6.s6.sin6_family = AF_INET6; 317| 1.11k| addr6.s6.sin6_port = htons(54321); 318| 1.11k| addr6.s6.sin6_addr.s6_addr[15] = 1; 319| 1.11k| stun_attr_add_addr_str(buf, &len, STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS, &addr6); ------------------ | | 105| 1.11k|#define STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS (0x0020) ------------------ 320| 1.11k| stun_attr_add_addr_str(buf, &len, STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS, &addr6); ------------------ | | 118| 1.11k|#define STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS (0x0016) ------------------ 321| | 322| 1.11k| stun_attr_add_address_error_code(buf, &len, STUN_ATTRIBUTE_REQUESTED_ADDRESS_FAMILY_VALUE_IPV6, 440); ------------------ | | 165| 1.11k|#define STUN_ATTRIBUTE_REQUESTED_ADDRESS_FAMILY_VALUE_IPV6 (0x02) ------------------ 323| | 324| 1.11k| stun_attr_add_change_request_str(buf, &len, true, true); 325| 1.11k| stun_attr_add_response_port_str(buf, &len, 3479); 326| 1.11k| stun_attr_add_padding_str(buf, &len, 64); 327| | 328| 1.11k| if (Size > STUN_HEADER_LENGTH + 4) { ------------------ | | 46| 1.11k|#define STUN_HEADER_LENGTH (20) ------------------ | Branch (328:7): [True: 998, False: 116] ------------------ 329| 998| int data_len = (int)(Size - STUN_HEADER_LENGTH); ------------------ | | 46| 998|#define STUN_HEADER_LENGTH (20) ------------------ 330| 998| if (data_len > 1024) { ------------------ | Branch (330:9): [True: 119, False: 879] ------------------ 331| 119| data_len = 1024; 332| 119| } 333| 998| stun_attr_add_str(buf, &len, STUN_ATTRIBUTE_DATA, Data + STUN_HEADER_LENGTH, data_len); ------------------ | | 117| 998|#define STUN_ATTRIBUTE_DATA (0x0013) ------------------ stun_attr_add_str(buf, &len, STUN_ATTRIBUTE_DATA, Data + STUN_HEADER_LENGTH, data_len); ------------------ | | 46| 998|#define STUN_HEADER_LENGTH (20) ------------------ 334| 998| } 335| | 336| 1.11k| stun_attr_add_fingerprint_str(buf, &len); 337| 1.11k|} FuzzStun.c:harness_old_stun: 342| 1.72k|static void harness_old_stun(const uint8_t *Data, size_t Size) { 343| 1.72k| if (Size < STUN_HEADER_LENGTH || Size > 5120) { ------------------ | | 46| 3.45k|#define STUN_HEADER_LENGTH (20) ------------------ | Branch (343:7): [True: 80, False: 1.64k] | Branch (343:36): [True: 87, False: 1.56k] ------------------ 344| 167| return; 345| 167| } 346| | 347| 1.56k| uint8_t buf[5120]; 348| 1.56k| memcpy(buf, Data, Size); 349| | 350| 1.56k| uint32_t cookie = 0; 351| 1.56k| bool is_old = old_stun_is_command_message_str(buf, Size, &cookie); 352| 1.56k| (void)stun_is_command_message_str(buf, Size); 353| | 354| 1.56k| if (is_old) { ------------------ | Branch (354:7): [True: 163, False: 1.39k] ------------------ 355| 163| (void)stun_get_msg_type_str(buf, Size); 356| 163| (void)stun_get_method_str(buf, Size); 357| | 358| 163| stun_is_request_str(buf, Size); 359| 163| stun_is_indication_str(buf, Size); 360| 163| stun_is_success_response_str(buf, Size); 361| | 362| 163| int err_code = 0; 363| 163| uint8_t err_msg[256] = {0}; 364| 163| stun_is_error_response_str(buf, Size, &err_code, err_msg, sizeof(err_msg)); 365| | 366| 163| bool fp_present = false; 367| 163| stun_is_command_message_full_check_str(buf, Size, true, &fp_present); 368| 163| stun_is_command_message_full_check_str(buf, Size, false, &fp_present); 369| | 370| 163| stun_is_binding_request_str(buf, Size, 0); 371| 163| stun_is_binding_response_str(buf, Size); 372| | 373| 163| stun_attr_ref sar = stun_attr_get_first_str(buf, Size); 374| 583| while (sar) { ------------------ | Branch (374:12): [True: 420, False: 163] ------------------ 375| 420| (void)stun_attr_get_type(sar); 376| 420| (void)stun_attr_get_len(sar); 377| 420| sar = stun_attr_get_next_str(buf, Size, sar); 378| 420| } 379| 163| } 380| 1.56k|} FuzzStun.c:harness_challenge_response_builder: 404| 1.72k|static void harness_challenge_response_builder(const uint8_t *Data, size_t Size) { 405| 1.72k| if (!Size) { ------------------ | Branch (405:7): [True: 0, False: 1.72k] ------------------ 406| 0| return; 407| 0| } 408| | 409| 1.72k| static const uint16_t kMethods[] = { 410| 1.72k| STUN_METHOD_ALLOCATE, ------------------ | | 78| 1.72k|#define STUN_METHOD_ALLOCATE (0x0003) ------------------ 411| 1.72k| STUN_METHOD_BINDING, ------------------ | | 77| 1.72k|#define STUN_METHOD_BINDING (0x0001) ------------------ 412| 1.72k| STUN_METHOD_REFRESH, ------------------ | | 79| 1.72k|#define STUN_METHOD_REFRESH (0x0004) ------------------ 413| 1.72k| STUN_METHOD_CHANNEL_BIND, ------------------ | | 83| 1.72k|#define STUN_METHOD_CHANNEL_BIND (0x0009) ------------------ 414| 1.72k| }; 415| 1.72k| const uint16_t method = kMethods[Data[0] % (sizeof(kMethods) / sizeof(kMethods[0]))]; 416| | 417| | /* Length of each variable-length string is taken from a single fuzz byte 418| | * so libFuzzer still varies the inputs across iterations. Floors keep the 419| | * attribute non-empty so the inner copies in stun_is_challenge_response_str 420| | * actually populate the output buffers. */ 421| 1.72k| const size_t realm_len = 1 + (Size > 1 ? (Data[1] % 16) : 0); ------------------ | Branch (421:33): [True: 1.69k, False: 35] ------------------ 422| 1.72k| const size_t nonce_len = 1 + (Size > 2 ? (Data[2] % 16) : 0); ------------------ | Branch (422:33): [True: 1.68k, False: 47] ------------------ 423| 1.72k| const size_t server_len = 1 + (Size > 3 ? (Data[3] % 16) : 0); ------------------ | Branch (423:34): [True: 1.67k, False: 55] ------------------ 424| | 425| 1.72k| uint8_t realm_buf[STUN_MAX_REALM_SIZE + 1] = {0}; 426| 1.72k| uint8_t nonce_buf[STUN_MAX_NONCE_SIZE + 1] = {0}; 427| 1.72k| uint8_t server_buf[STUN_MAX_SERVER_NAME_SIZE + 1] = {0}; 428| 12.3k| for (size_t i = 0; i < realm_len; ++i) { ------------------ | Branch (428:22): [True: 10.6k, False: 1.72k] ------------------ 429| 10.6k| realm_buf[i] = (uint8_t)('a' + (i % 26)); 430| 10.6k| } 431| 6.61k| for (size_t i = 0; i < nonce_len; ++i) { ------------------ | Branch (431:22): [True: 4.88k, False: 1.72k] ------------------ 432| 4.88k| nonce_buf[i] = (uint8_t)('0' + (i % 10)); 433| 4.88k| } 434| 13.1k| for (size_t i = 0; i < server_len; ++i) { ------------------ | Branch (434:22): [True: 11.4k, False: 1.72k] ------------------ 435| 11.4k| server_buf[i] = (uint8_t)('A' + (i % 26)); 436| 11.4k| } 437| | 438| 1.72k| stun_tid tid = {0}; 439| 22.4k| for (size_t i = 0; i < STUN_TID_SIZE; ++i) { ------------------ | | 53| 22.4k|#define STUN_TID_SIZE (12) ------------------ | Branch (439:22): [True: 20.7k, False: 1.72k] ------------------ 440| 20.7k| tid.tsx_id[i] = (uint8_t)(Size > i + 4 ? Data[i + 4] : (uint8_t)i); ------------------ | Branch (440:31): [True: 19.8k, False: 840] ------------------ 441| 20.7k| } 442| | 443| | /* Each variant builds a fresh error response and runs it through the 444| | * predicate so the inner attribute lookups fire. */ 445| 1.72k| static const struct { 446| 1.72k| uint16_t err_code; 447| 1.72k| bool include_realm; 448| 1.72k| bool include_nonce; 449| 1.72k| bool include_third_party_auth; 450| 1.72k| } kVariants[] = { 451| 1.72k| {401, true, true, false}, /* canonical 401 challenge: REALM + NONCE */ 452| 1.72k| {401, true, true, true}, /* same + THIRD-PARTY-AUTHORIZATION (OAuth branch) */ 453| 1.72k| {438, true, true, false}, /* covers the (*err_code) == 438 disjunct */ 454| 1.72k| {401, true, false, false}, /* REALM present, NONCE missing — negative inner path */ 455| 1.72k| {401, false, false, false}, /* err_code matches but no REALM — outer negative path */ 456| 1.72k| {400, true, true, false}, /* err_code does not match 401/438 — early-out path */ 457| 1.72k| }; 458| | 459| 12.0k| for (size_t v = 0; v < sizeof(kVariants) / sizeof(kVariants[0]); ++v) { ------------------ | Branch (459:22): [True: 10.3k, False: 1.72k] ------------------ 460| 10.3k| uint8_t buf[MAX_STUN_MESSAGE_SIZE] = {0}; 461| 10.3k| size_t len = 0; 462| 10.3k| stun_init_error_response_str(method, buf, &len, kVariants[v].err_code, (const uint8_t *)"unauthorized", &tid, true); 463| | 464| 10.3k| if (kVariants[v].include_realm) { ------------------ | Branch (464:9): [True: 8.63k, False: 1.72k] ------------------ 465| 8.63k| stun_attr_add_str(buf, &len, STUN_ATTRIBUTE_REALM, realm_buf, (int)realm_len); ------------------ | | 102| 8.63k|#define STUN_ATTRIBUTE_REALM (0x0014) ------------------ 466| 8.63k| } 467| 10.3k| if (kVariants[v].include_third_party_auth) { ------------------ | Branch (467:9): [True: 1.72k, False: 8.63k] ------------------ 468| 1.72k| stun_attr_add_str(buf, &len, STUN_ATTRIBUTE_THIRD_PARTY_AUTHORIZATION, server_buf, (int)server_len); ------------------ | | 223| 1.72k|#define STUN_ATTRIBUTE_THIRD_PARTY_AUTHORIZATION (0x802E) ------------------ 469| 1.72k| } 470| 10.3k| if (kVariants[v].include_nonce) { ------------------ | Branch (470:9): [True: 6.90k, False: 3.45k] ------------------ 471| 6.90k| stun_attr_add_str(buf, &len, STUN_ATTRIBUTE_NONCE, nonce_buf, (int)nonce_len); ------------------ | | 103| 6.90k|#define STUN_ATTRIBUTE_NONCE (0x0015) ------------------ 472| 6.90k| } 473| | 474| 10.3k| int err_code = 0; 475| 10.3k| uint8_t err_msg[1024] = {0}; 476| 10.3k| uint8_t out_realm[STUN_MAX_REALM_SIZE + 1] = {0}; 477| 10.3k| uint8_t out_nonce[STUN_MAX_NONCE_SIZE + 1] = {0}; 478| 10.3k| uint8_t out_server[STUN_MAX_SERVER_NAME_SIZE + 1] = {0}; 479| 10.3k| bool oauth = false; 480| 10.3k| (void)stun_is_challenge_response_str(buf, len, &err_code, err_msg, sizeof(err_msg), out_realm, out_nonce, 481| 10.3k| out_server, &oauth); 482| | 483| | /* Also exercise the NULL-oauth-pointer branch, which is reachable from 484| | * other call sites in the codebase. */ 485| 10.3k| (void)stun_is_challenge_response_str(buf, len, &err_code, err_msg, sizeof(err_msg), out_realm, out_nonce, 486| | out_server, NULL); 487| 10.3k| } 488| 1.72k|} FuzzStun.c:harness_full_addr_parser: 493| 1.72k|static void harness_full_addr_parser(const uint8_t *Data, size_t Size) { 494| 1.72k| ioa_addr addr; 495| 1.72k| const uint16_t default_port = fuzz_u16(Data, Size, 0); 496| 1.72k| const uint16_t explicit_port = fuzz_u16(Data, Size, 2); 497| | 498| 1.72k| char ipv4_plain[MAX_IOA_ADDR_STRING]; 499| 1.72k| char ipv4_with_port[MAX_IOA_ADDR_STRING]; 500| 1.72k| char ipv6_bracketed[MAX_IOA_ADDR_STRING]; 501| 1.72k| char ipv6_with_port[MAX_IOA_ADDR_STRING]; 502| 1.72k| char ipv4_spaced[MAX_IOA_ADDR_STRING]; 503| | 504| 1.72k| snprintf(ipv4_plain, sizeof(ipv4_plain), "%u.%u.%u.%u", fuzz_byte(Data, Size, 4), fuzz_byte(Data, Size, 5), 505| 1.72k| fuzz_byte(Data, Size, 6), fuzz_byte(Data, Size, 7)); 506| 1.72k| snprintf(ipv4_with_port, sizeof(ipv4_with_port), "%u.%u.%u.%u:%u", fuzz_byte(Data, Size, 8), fuzz_byte(Data, Size, 9), 507| 1.72k| fuzz_byte(Data, Size, 10), fuzz_byte(Data, Size, 11), explicit_port); 508| 1.72k| snprintf(ipv6_bracketed, sizeof(ipv6_bracketed), "[2001:db8:%x:%x::%x]", fuzz_u16(Data, Size, 12), 509| 1.72k| fuzz_u16(Data, Size, 14), fuzz_u16(Data, Size, 16)); 510| 1.72k| snprintf(ipv6_with_port, sizeof(ipv6_with_port), "[2001:db8:%x:%x::%x]:%u", fuzz_u16(Data, Size, 18), 511| 1.72k| fuzz_u16(Data, Size, 20), fuzz_u16(Data, Size, 22), explicit_port); 512| 1.72k| snprintf(ipv4_spaced, sizeof(ipv4_spaced), " %u.%u.%u.%u:%u", fuzz_byte(Data, Size, 24), fuzz_byte(Data, Size, 25), 513| 1.72k| fuzz_byte(Data, Size, 26), fuzz_byte(Data, Size, 27), explicit_port); 514| | 515| 1.72k| static const char *kFixedInputs[] = { 516| 1.72k| "", "0.0.0.0", "127.0.0.1:3478", "192.0.2.1:", "[::1]", "[::1]:5349", "[2001:db8::1] ", "::1", 517| 1.72k| }; 518| | 519| 15.5k| for (size_t i = 0; i < sizeof(kFixedInputs) / sizeof(kFixedInputs[0]); ++i) { ------------------ | Branch (519:22): [True: 13.8k, False: 1.72k] ------------------ 520| 13.8k| memset(&addr, 0, sizeof(addr)); 521| 13.8k| (void)make_ioa_addr_from_full_string((const uint8_t *)kFixedInputs[i], default_port, &addr); 522| 13.8k| } 523| | 524| 1.72k| const char *generated[] = {ipv4_plain, ipv4_with_port, ipv6_bracketed, ipv6_with_port, ipv4_spaced}; 525| 10.3k| for (size_t i = 0; i < sizeof(generated) / sizeof(generated[0]); ++i) { ------------------ | Branch (525:22): [True: 8.63k, False: 1.72k] ------------------ 526| 8.63k| memset(&addr, 0, sizeof(addr)); 527| 8.63k| (void)make_ioa_addr_from_full_string((const uint8_t *)generated[i], default_port, &addr); 528| 8.63k| } 529| | 530| | (void)make_ioa_addr_from_full_string((const uint8_t *)ipv4_plain, default_port, NULL); 531| 1.72k|} FuzzStun.c:fuzz_u16: 29| 13.8k|static uint16_t fuzz_u16(const uint8_t *Data, size_t Size, size_t idx) { 30| 13.8k| return (uint16_t)(((uint16_t)fuzz_byte(Data, Size, idx) << 8) | (uint16_t)fuzz_byte(Data, Size, idx + 1)); 31| 13.8k|} FuzzStun.c:fuzz_byte: 27| 578k|static uint8_t fuzz_byte(const uint8_t *Data, size_t Size, size_t idx) { return Size ? Data[idx % Size] : 0; } ------------------ | Branch (27:81): [True: 578k, False: 0] ------------------ FuzzStun.c:harness_integrity_attr_add: 536| 1.72k|static void harness_integrity_attr_add(const uint8_t *Data, size_t Size) { 537| 1.72k| static const SHATYPE kShaTypes[] = {SHATYPE_SHA1, SHATYPE_SHA256, SHATYPE_SHA384, SHATYPE_SHA512}; 538| 1.72k| const SHATYPE shatype = kShaTypes[fuzz_byte(Data, Size, 0) % (sizeof(kShaTypes) / sizeof(kShaTypes[0]))]; 539| | 540| 1.72k| uint8_t uname[STUN_MAX_USERNAME_SIZE + 1] = {0}; 541| 1.72k| uint8_t realm[STUN_MAX_REALM_SIZE + 1] = {0}; 542| 1.72k| uint8_t nonce[STUN_MAX_NONCE_SIZE + 1] = {0}; 543| 1.72k| uint8_t upwd[STUN_MAX_PWD_SIZE + 1] = {0}; 544| 1.72k| password_t pwd = {0}; 545| 1.72k| hmackey_t key = {0}; 546| | 547| 1.72k| fuzz_printable_string(Data, Size, 1, uname, sizeof(uname)); 548| 1.72k| fuzz_printable_string(Data, Size, 1 + sizeof(uname), realm, sizeof(realm)); 549| 1.72k| fuzz_printable_string(Data, Size, 1 + sizeof(uname) + sizeof(realm), nonce, sizeof(nonce)); 550| 1.72k| fuzz_printable_string(Data, Size, 1 + sizeof(uname) + sizeof(realm) + sizeof(nonce), upwd, sizeof(upwd)); 551| 1.72k| fuzz_printable_string(Data, Size, 1 + sizeof(uname) + sizeof(realm) + sizeof(nonce) + sizeof(upwd), pwd, sizeof(pwd)); 552| | 553| 1.72k| if (!uname[0]) { ------------------ | Branch (553:7): [True: 229, False: 1.49k] ------------------ 554| 229| memcpy(uname, "fuzzuser", sizeof("fuzzuser")); 555| 229| } 556| 1.72k| if (!realm[0]) { ------------------ | Branch (556:7): [True: 850, False: 877] ------------------ 557| 850| memcpy(realm, "fuzz.realm", sizeof("fuzz.realm")); 558| 850| } 559| 1.72k| if (!nonce[0]) { ------------------ | Branch (559:7): [True: 933, False: 794] ------------------ 560| 933| memcpy(nonce, "fuzznonce", sizeof("fuzznonce")); 561| 933| } 562| 1.72k| if (!upwd[0]) { ------------------ | Branch (562:7): [True: 1.03k, False: 693] ------------------ 563| 1.03k| memcpy(upwd, "fuzzpassword", sizeof("fuzzpassword")); 564| 1.03k| } 565| 1.72k| if (!pwd[0]) { ------------------ | Branch (565:7): [True: 679, False: 1.04k] ------------------ 566| 679| memcpy(pwd, "shortterm", sizeof("shortterm")); 567| 679| } 568| | 569| 112k| for (size_t i = 0; i < sizeof(key); ++i) { ------------------ | Branch (569:22): [True: 110k, False: 1.72k] ------------------ 570| 110k| key[i] = fuzz_byte(Data, Size, 32 + i); 571| 110k| } 572| | 573| 1.72k| uint8_t buf[MAX_STUN_MESSAGE_SIZE]; 574| 1.72k| size_t len = 0; 575| 1.72k| stun_init_request_str(STUN_METHOD_BINDING, buf, &len); ------------------ | | 77| 1.72k|#define STUN_METHOD_BINDING (0x0001) ------------------ 576| 1.72k| (void)stun_attr_add_integrity_by_key_str(buf, &len, uname, realm, key, nonce, shatype); 577| | 578| 1.72k| len = 0; 579| 1.72k| stun_init_request_str(STUN_METHOD_ALLOCATE, buf, &len); ------------------ | | 78| 1.72k|#define STUN_METHOD_ALLOCATE (0x0003) ------------------ 580| 1.72k| (void)stun_attr_add_integrity_by_user_str(buf, &len, uname, realm, upwd, nonce, shatype); 581| | 582| 1.72k| len = 0; 583| 1.72k| stun_init_request_str(STUN_METHOD_REFRESH, buf, &len); ------------------ | | 79| 1.72k|#define STUN_METHOD_REFRESH (0x0004) ------------------ 584| 1.72k| (void)stun_attr_add_integrity_by_user_short_term_str(buf, &len, uname, pwd, shatype); 585| | 586| 1.72k| len = 0; 587| 1.72k| stun_init_request_str(STUN_METHOD_CHANNEL_BIND, buf, &len); ------------------ | | 83| 1.72k|#define STUN_METHOD_CHANNEL_BIND (0x0009) ------------------ 588| 1.72k| (void)stun_attr_add_integrity_str(TURN_CREDENTIALS_SHORT_TERM, buf, &len, key, pwd, shatype); 589| | 590| 1.72k| len = 0; 591| 1.72k| stun_init_request_str(STUN_METHOD_BINDING, buf, &len); ------------------ | | 77| 1.72k|#define STUN_METHOD_BINDING (0x0001) ------------------ 592| 1.72k| (void)stun_attr_add_integrity_str(TURN_CREDENTIALS_LONG_TERM, buf, &len, key, pwd, shatype); 593| 1.72k|} FuzzStun.c:fuzz_printable_string: 33| 8.63k|static void fuzz_printable_string(const uint8_t *Data, size_t Size, size_t idx, uint8_t *out, size_t out_size) { 34| 8.63k| if (!out_size) { ------------------ | Branch (34:7): [True: 0, False: 8.63k] ------------------ 35| 0| return; 36| 0| } 37| | 38| 8.63k| const size_t max_len = out_size - 1; 39| 8.63k| const size_t len = max_len ? (size_t)(fuzz_byte(Data, Size, idx) % (max_len + 1)) : 0; ------------------ | Branch (39:22): [True: 8.63k, False: 0] ------------------ 40| 418k| for (size_t i = 0; i < len; ++i) { ------------------ | Branch (40:22): [True: 409k, False: 8.63k] ------------------ 41| 409k| out[i] = (uint8_t)(33 + (fuzz_byte(Data, Size, idx + 1 + i) % 94)); 42| 409k| } 43| 8.63k| out[len] = 0; 44| 8.63k|} turn_malloc_impl: 685| 9.54k|void *turn_malloc_impl(size_t sz, const char *file, int line) { 686| 9.54k| void *ptr = malloc(sz); 687| 9.54k| if (!ptr && sz) { ------------------ | Branch (687:7): [True: 0, False: 9.54k] | Branch (687:15): [True: 0, False: 0] ------------------ 688| 0| turn_out_of_memory(file, line, "malloc", sz); 689| 0| } 690| 9.54k| return ptr; 691| 9.54k|} turn_realloc_impl: 701| 8|void *turn_realloc_impl(void *ptr, size_t sz, const char *file, int line) { 702| 8| void *newptr = realloc(ptr, sz); 703| 8| if (!newptr && sz) { ------------------ | Branch (703:7): [True: 0, False: 8] | Branch (703:18): [True: 0, False: 0] ------------------ 704| 0| turn_out_of_memory(file, line, "realloc", sz); 705| 0| } 706| 8| return newptr; 707| 8|} turn_strdup_impl: 709| 22.4k|char *turn_strdup_impl(const char *s, const char *file, int line) { 710| 22.4k| if (!s) { ------------------ | Branch (710:7): [True: 0, False: 22.4k] ------------------ 711| 0| return NULL; 712| 0| } 713| 22.4k| char *ptr = strdup(s); 714| 22.4k| if (!ptr) { ------------------ | Branch (714:7): [True: 0, False: 22.4k] ------------------ 715| 0| turn_out_of_memory(file, line, "strdup", strlen(s) + 1); 716| 0| } 717| 22.4k| return ptr; 718| 22.4k|} addr_set_any: 48| 19.2k|void addr_set_any(ioa_addr *addr) { 49| 19.2k| if (addr) { ------------------ | Branch (49:7): [True: 19.2k, False: 0] ------------------ 50| 19.2k| memset(addr, 0, sizeof(ioa_addr)); 51| 19.2k| } 52| 19.2k|} addr_eq_no_port: 180| 15.2k|int addr_eq_no_port(const ioa_addr *a1, const ioa_addr *a2) { 181| | 182| 15.2k| if (!a1) { ------------------ | Branch (182:7): [True: 0, False: 15.2k] ------------------ 183| 0| return (!a2); 184| 15.2k| } else if (!a2) { ------------------ | Branch (184:14): [True: 0, False: 15.2k] ------------------ 185| 0| return (!a1); 186| 0| } 187| | 188| 15.2k| if (a1->ss.sa_family == a2->ss.sa_family) { ------------------ | Branch (188:7): [True: 7.65k, False: 7.63k] ------------------ 189| 7.65k| if (a1->ss.sa_family == AF_INET) { ------------------ | Branch (189:9): [True: 5.18k, False: 2.47k] ------------------ 190| 5.18k| if ((int)a1->s4.sin_addr.s_addr == (int)a2->s4.sin_addr.s_addr) { ------------------ | Branch (190:11): [True: 20, False: 5.16k] ------------------ 191| 20| return 1; 192| 20| } 193| 5.18k| } else if (a1->ss.sa_family == AF_INET6) { ------------------ | Branch (193:16): [True: 2.47k, False: 0] ------------------ 194| 2.47k| if (memcmp(&(a1->s6.sin6_addr), &(a2->s6.sin6_addr), sizeof(struct in6_addr)) == 0) { ------------------ | Branch (194:11): [True: 12, False: 2.46k] ------------------ 195| 12| return 1; 196| 12| } 197| 2.47k| } 198| 7.65k| } 199| 15.2k| return 0; 200| 15.2k|} make_ioa_addr: 202| 22.4k|int make_ioa_addr(const uint8_t *saddr0, uint16_t port, ioa_addr *addr) { 203| | 204| 22.4k| if (!saddr0 || !addr) { ------------------ | Branch (204:7): [True: 0, False: 22.4k] | Branch (204:18): [True: 0, False: 22.4k] ------------------ 205| 0| return -1; 206| 0| } 207| | 208| 22.4k| char ssaddr[257]; 209| 22.4k| STRCPY(ssaddr, saddr0); ------------------ | | 240| 22.4k| do { \ | | 241| 22.4k| if ((const char *)(dst) != (const char *)(src)) { \ | | ------------------ | | | Branch (241:9): [True: 22.4k, False: 0] | | ------------------ | | 242| 22.4k| if (sizeof(dst) == sizeof(char *)) \ | | ------------------ | | | Branch (242:11): [Folded, False: 22.4k] | | ------------------ | | 243| 22.4k| strcpy(((char *)(dst)), (const char *)(src)); \ | | 244| 22.4k| else { \ | | 245| 22.4k| size_t szdst = sizeof((dst)); \ | | 246| 22.4k| strncpy((char *)(dst), (const char *)(src), szdst); \ | | 247| 22.4k| ((char *)(dst))[szdst - 1] = 0; \ | | 248| 22.4k| } \ | | 249| 22.4k| } \ | | 250| 22.4k| } while (0) | | ------------------ | | | Branch (250:12): [Folded, False: 22.4k] | | ------------------ ------------------ 210| | 211| 22.4k| char *saddr = ssaddr; 212| 22.4k| while (*saddr == ' ') { ------------------ | Branch (212:10): [True: 0, False: 22.4k] ------------------ 213| 0| ++saddr; 214| 0| } 215| | 216| 22.4k| size_t len = strlen(saddr); 217| 22.4k| while (len > 0) { ------------------ | Branch (217:10): [True: 19.0k, False: 3.45k] ------------------ 218| 19.0k| if (saddr[len - 1] == ' ') { ------------------ | Branch (218:9): [True: 0, False: 19.0k] ------------------ 219| 0| saddr[len - 1] = 0; 220| 0| --len; 221| 19.0k| } else { 222| 19.0k| break; 223| 19.0k| } 224| 19.0k| } 225| | 226| 22.4k| memset(addr, 0, sizeof(ioa_addr)); 227| 22.4k| if ((len == 0) || (inet_pton(AF_INET, saddr, &addr->s4.sin_addr) == 1)) { ------------------ | Branch (227:7): [True: 3.45k, False: 19.0k] | Branch (227:21): [True: 10.3k, False: 8.63k] ------------------ 228| 13.8k| addr->s4.sin_family = AF_INET; 229| |#if defined(TURN_HAS_SIN_LEN) /* tested when configured */ 230| | addr->s4.sin_len = sizeof(struct sockaddr_in); 231| |#endif 232| 13.8k| addr->s4.sin_port = nswap16(port); ------------------ | | 86| 13.8k|#define nswap16(s) ntohs(s) ------------------ 233| 13.8k| } else if (inet_pton(AF_INET6, saddr, &addr->s6.sin6_addr) == 1) { ------------------ | Branch (233:14): [True: 8.63k, False: 0] ------------------ 234| 8.63k| addr->s6.sin6_family = AF_INET6; 235| |#if defined(SIN6_LEN) /* this define is required by IPv6 if used */ 236| | addr->s6.sin6_len = sizeof(struct sockaddr_in6); 237| |#endif 238| 8.63k| addr->s6.sin6_port = nswap16(port); ------------------ | | 86| 8.63k|#define nswap16(s) ntohs(s) ------------------ 239| 8.63k| } else { 240| 0| struct addrinfo addr_hints; 241| 0| struct addrinfo *addr_result = NULL; 242| 0| int err; 243| | 244| 0| memset(&addr_hints, 0, sizeof(struct addrinfo)); 245| 0| addr_hints.ai_family = AF_UNSPEC; /* Allow IPv4 or IPv6 */ 246| 0| addr_hints.ai_socktype = SOCK_DGRAM; /* Datagram socket */ 247| 0| addr_hints.ai_flags = AI_PASSIVE; /* For wildcard IP address */ 248| 0| addr_hints.ai_protocol = 0; /* Any protocol */ 249| 0| addr_hints.ai_canonname = NULL; 250| 0| addr_hints.ai_addr = NULL; 251| 0| addr_hints.ai_next = NULL; 252| | 253| 0| err = getaddrinfo(saddr, NULL, &addr_hints, &addr_result); 254| 0| if ((err != 0) || (!addr_result)) { ------------------ | Branch (254:9): [True: 0, False: 0] | Branch (254:23): [True: 0, False: 0] ------------------ 255| 0| fprintf(stderr, "error resolving '%s' hostname: %s\n", saddr, gai_strerror(err)); 256| 0| return -1; 257| 0| } 258| | 259| 0| int family = AF_INET; 260| 0| struct addrinfo *addr_result_orig = addr_result; 261| 0| int found = 0; 262| | 263| 0| beg_af: 264| | 265| 0| while (addr_result) { ------------------ | Branch (265:12): [True: 0, False: 0] ------------------ 266| | 267| 0| if (addr_result->ai_family == family) { ------------------ | Branch (267:11): [True: 0, False: 0] ------------------ 268| 0| if (addr_result->ai_family == AF_INET) { ------------------ | Branch (268:13): [True: 0, False: 0] ------------------ 269| 0| memcpy(addr, addr_result->ai_addr, addr_result->ai_addrlen); 270| 0| addr->s4.sin_port = nswap16(port); ------------------ | | 86| 0|#define nswap16(s) ntohs(s) ------------------ 271| |#if defined(TURN_HAS_SIN_LEN) /* tested when configured */ 272| | addr->s4.sin_len = sizeof(struct sockaddr_in); 273| |#endif 274| 0| found = 1; 275| 0| break; 276| 0| } else if (addr_result->ai_family == AF_INET6) { ------------------ | Branch (276:20): [True: 0, False: 0] ------------------ 277| 0| memcpy(addr, addr_result->ai_addr, addr_result->ai_addrlen); 278| 0| addr->s6.sin6_port = nswap16(port); ------------------ | | 86| 0|#define nswap16(s) ntohs(s) ------------------ 279| |#if defined(SIN6_LEN) /* this define is required by IPv6 if used */ 280| | addr->s6.sin6_len = sizeof(struct sockaddr_in6); 281| |#endif 282| 0| found = 1; 283| 0| break; 284| 0| } 285| 0| } 286| | 287| 0| addr_result = addr_result->ai_next; 288| 0| } 289| | 290| 0| if (!found && family == AF_INET) { ------------------ | Branch (290:9): [True: 0, False: 0] | Branch (290:19): [True: 0, False: 0] ------------------ 291| 0| family = AF_INET6; 292| 0| addr_result = addr_result_orig; 293| 0| goto beg_af; 294| 0| } 295| | 296| 0| freeaddrinfo(addr_result_orig); 297| 0| } 298| | 299| 22.4k| return 0; 300| 22.4k|} make_ioa_addr_from_full_string: 340| 24.1k|int make_ioa_addr_from_full_string(const uint8_t *saddr, uint16_t default_port, ioa_addr *addr) { 341| 24.1k| if (!addr) { ------------------ | Branch (341:7): [True: 1.72k, False: 22.4k] ------------------ 342| 1.72k| return -1; 343| 1.72k| } 344| | 345| 22.4k| int ret = -1; 346| 22.4k| uint16_t port = 0; 347| 22.4k| char *s = turn_strdup((const char *)saddr); ------------------ | | 122| 22.4k|#define turn_strdup(s) turn_strdup_impl((s), __FILE__, __LINE__) ------------------ 348| 22.4k| char *sa = get_addr_string_and_port(s, &port); 349| 22.4k| if (sa) { ------------------ | Branch (349:7): [True: 22.4k, False: 0] ------------------ 350| 22.4k| if (port < 1) { ------------------ | Branch (350:9): [True: 14.1k, False: 8.30k] ------------------ 351| 14.1k| port = default_port; 352| 14.1k| } 353| 22.4k| ret = make_ioa_addr((uint8_t *)sa, port, addr); 354| 22.4k| } 355| 22.4k| free(s); 356| 22.4k| return ret; 357| 24.1k|} addr_set_port: 407| 32|void addr_set_port(ioa_addr *addr, uint16_t port) { 408| 32| if (addr) { ------------------ | Branch (408:7): [True: 32, False: 0] ------------------ 409| 32| if (addr->s4.sin_family == AF_INET) { ------------------ | Branch (409:9): [True: 20, False: 12] ------------------ 410| 20| addr->s4.sin_port = nswap16(port); ------------------ | | 86| 20|#define nswap16(s) ntohs(s) ------------------ 411| 20| } else if (addr->s6.sin6_family == AF_INET6) { ------------------ | Branch (411:16): [True: 12, False: 0] ------------------ 412| | addr->s6.sin6_port = nswap16(port); ------------------ | | 86| 12|#define nswap16(s) ntohs(s) ------------------ 413| 12| } 414| 32| } 415| 32|} addr_get_port: 417| 32|uint16_t addr_get_port(const ioa_addr *addr) { 418| 32| if (!addr) { ------------------ | Branch (418:7): [True: 0, False: 32] ------------------ 419| 0| return 0; 420| 0| } 421| | 422| 32| if (addr->s4.sin_family == AF_INET) { ------------------ | Branch (422:7): [True: 20, False: 12] ------------------ 423| 20| return nswap16(addr->s4.sin_port); ------------------ | | 86| 20|#define nswap16(s) ntohs(s) ------------------ 424| 20| } else if (addr->s6.sin6_family == AF_INET6) { ------------------ | Branch (424:14): [True: 12, False: 0] ------------------ 425| 12| return nswap16(addr->s6.sin6_port); ------------------ | | 86| 12|#define nswap16(s) ntohs(s) ------------------ 426| 12| } 427| 0| return 0; 428| 32|} ioa_addr_add_mapping: 676| 4|void ioa_addr_add_mapping(ioa_addr *apub, ioa_addr *apriv) { 677| 4| const size_t new_size = msz + sizeof(ioa_addr *); 678| 4| public_addrs = (ioa_addr **)turn_realloc(public_addrs, new_size); ------------------ | | 121| 4|#define turn_realloc(ptr, sz) turn_realloc_impl((ptr), (sz), __FILE__, __LINE__) ------------------ 679| 4| private_addrs = (ioa_addr **)turn_realloc(private_addrs, new_size); ------------------ | | 121| 4|#define turn_realloc(ptr, sz) turn_realloc_impl((ptr), (sz), __FILE__, __LINE__) ------------------ 680| 4| public_addrs[mcount] = (ioa_addr *)turn_malloc(sizeof(ioa_addr)); ------------------ | | 119| 4|#define turn_malloc(sz) turn_malloc_impl((sz), __FILE__, __LINE__) ------------------ 681| 4| private_addrs[mcount] = (ioa_addr *)turn_malloc(sizeof(ioa_addr)); ------------------ | | 119| 4|#define turn_malloc(sz) turn_malloc_impl((sz), __FILE__, __LINE__) ------------------ 682| 4| addr_cpy(public_addrs[mcount], apub); 683| 4| addr_cpy(private_addrs[mcount], apriv); 684| 4| ++mcount; 685| 4| msz += sizeof(ioa_addr *); 686| 4|} map_addr_from_public_to_private: 688| 975|void map_addr_from_public_to_private(const ioa_addr *public_addr, ioa_addr *private_addr) { 689| 975| size_t i; 690| 2.87k| for (i = 0; i < mcount; ++i) { ------------------ | Branch (690:15): [True: 1.93k, False: 943] ------------------ 691| 1.93k| if (addr_eq_no_port(public_addr, public_addrs[i])) { ------------------ | Branch (691:9): [True: 32, False: 1.89k] ------------------ 692| 32| addr_cpy(private_addr, private_addrs[i]); 693| 32| addr_set_port(private_addr, addr_get_port(public_addr)); 694| 32| return; 695| 32| } 696| 1.93k| } 697| 943| addr_cpy(private_addr, public_addr); 698| 943|} map_addr_from_private_to_public: 700| 6.68k|void map_addr_from_private_to_public(const ioa_addr *private_addr, ioa_addr *public_addr) { 701| 6.68k| size_t i; 702| 20.0k| for (i = 0; i < mcount; ++i) { ------------------ | Branch (702:15): [True: 13.3k, False: 6.68k] ------------------ 703| 13.3k| if (addr_eq_no_port(private_addr, private_addrs[i])) { ------------------ | Branch (703:9): [True: 0, False: 13.3k] ------------------ 704| 0| addr_cpy(public_addr, public_addrs[i]); 705| 0| addr_set_port(public_addr, addr_get_port(private_addr)); 706| 0| return; 707| 0| } 708| 13.3k| } 709| 6.68k| addr_cpy(public_addr, private_addr); 710| 6.68k|} ns_turn_ioaddr.c:get_addr_string_and_port: 302| 22.4k|static char *get_addr_string_and_port(char *s0, uint16_t *port) { 303| 22.4k| char *s = s0; 304| 25.9k| while (*s && (*s == ' ')) { ------------------ | Branch (304:10): [True: 24.1k, False: 1.72k] | Branch (304:16): [True: 3.45k, False: 20.7k] ------------------ 305| 3.45k| ++s; 306| 3.45k| } 307| 22.4k| if (*s == '[') { ------------------ | Branch (307:7): [True: 8.63k, False: 13.8k] ------------------ 308| 8.63k| ++s; 309| 8.63k| char *tail = strstr(s, "]"); 310| 8.63k| if (tail) { ------------------ | Branch (310:9): [True: 8.63k, False: 0] ------------------ 311| 8.63k| *tail = 0; 312| 8.63k| ++tail; 313| 12.0k| while (*tail && (*tail == ' ')) { ------------------ | Branch (313:14): [True: 6.90k, False: 5.18k] | Branch (313:23): [True: 3.45k, False: 3.45k] ------------------ 314| 3.45k| ++tail; 315| 3.45k| } 316| 8.63k| if (*tail == ':') { ------------------ | Branch (316:11): [True: 3.45k, False: 5.18k] ------------------ 317| 3.45k| ++tail; 318| 3.45k| *port = atoi(tail); 319| 3.45k| return s; 320| 5.18k| } else if (*tail == 0) { ------------------ | Branch (320:18): [True: 5.18k, False: 0] ------------------ 321| 5.18k| *port = 0; 322| 5.18k| return s; 323| 5.18k| } 324| 8.63k| } 325| 13.8k| } else { 326| 13.8k| char *tail = strstr(s, ":"); 327| 13.8k| if (tail) { ------------------ | Branch (327:9): [True: 8.63k, False: 5.18k] ------------------ 328| 8.63k| *tail = 0; 329| 8.63k| ++tail; 330| 8.63k| *port = atoi(tail); 331| 8.63k| return s; 332| 8.63k| } else { 333| 5.18k| *port = 0; 334| 5.18k| return s; 335| 5.18k| } 336| 13.8k| } 337| 0| return NULL; 338| 22.4k|} ns_turn_ioaddr.c:addr_cpy: 87| 7.66k|static inline void addr_cpy(ioa_addr *dst, const ioa_addr *src) { 88| 7.66k| if (dst && src) { ------------------ | Branch (88:7): [True: 7.66k, False: 0] | Branch (88:14): [True: 7.66k, False: 0] ------------------ 89| 7.66k| memcpy(dst, src, sizeof(ioa_addr)); 90| 7.66k| } 91| 7.66k|} turn_random_number: 123| 56.9k|long turn_random_number(void) { 124| 56.9k| long ret = 0; 125| 56.9k|#if defined(FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION) 126| 56.9k| ret = (long)fuzz_prng_next(); 127| |#else 128| | if (!RAND_bytes((unsigned char *)&ret, sizeof(ret))) 129| |#if defined(WINDOWS) 130| | ret = rand(); 131| |#else 132| | ret = random(); 133| |#endif 134| |#endif 135| 56.9k| return ret; 136| 56.9k|} stun_calculate_hmac: 174| 7.19k| unsigned int *hmac_len, SHATYPE shatype) { 175| 7.19k| ERR_clear_error(); 176| 7.19k| UNUSED_ARG(shatype); ------------------ | | 216| 7.19k| do { \ | | 217| 7.19k| A = A; \ | | 218| 7.19k| } while (0) | | ------------------ | | | Branch (218:12): [Folded, False: 7.19k] | | ------------------ ------------------ 177| | 178| 7.19k| if (shatype == SHATYPE_SHA256) { ------------------ | Branch (178:7): [True: 2.57k, False: 4.61k] ------------------ 179| 2.57k|#if !defined(OPENSSL_NO_SHA256) && defined(SHA256_DIGEST_LENGTH) 180| 2.57k| if (!HMAC(EVP_sha256(), key, (int)keylen, buf, len, hmac, hmac_len)) { ------------------ | Branch (180:9): [True: 0, False: 2.57k] ------------------ 181| 0| return false; 182| 0| } 183| |#else 184| | fprintf(stderr, "SHA256 is not supported\n"); 185| | return false; 186| |#endif 187| 4.61k| } else if (shatype == SHATYPE_SHA384) { ------------------ | Branch (187:14): [True: 926, False: 3.68k] ------------------ 188| 926|#if !defined(OPENSSL_NO_SHA384) && defined(SHA384_DIGEST_LENGTH) 189| 926| if (!HMAC(EVP_sha384(), key, (int)keylen, buf, len, hmac, hmac_len)) { ------------------ | Branch (189:9): [True: 0, False: 926] ------------------ 190| 0| return false; 191| 0| } 192| |#else 193| | fprintf(stderr, "SHA384 is not supported\n"); 194| | return false; 195| |#endif 196| 3.68k| } else if (shatype == SHATYPE_SHA512) { ------------------ | Branch (196:14): [True: 1.31k, False: 2.37k] ------------------ 197| 1.31k|#if !defined(OPENSSL_NO_SHA512) && defined(SHA512_DIGEST_LENGTH) 198| 1.31k| if (!HMAC(EVP_sha512(), key, (int)keylen, buf, len, hmac, hmac_len)) { ------------------ | Branch (198:9): [True: 0, False: 1.31k] ------------------ 199| 0| return false; 200| 0| } 201| |#else 202| | fprintf(stderr, "SHA512 is not supported\n"); 203| | return false; 204| |#endif 205| 2.37k| } else if (!HMAC(EVP_sha1(), key, (int)keylen, buf, len, hmac, hmac_len)) { ------------------ | Branch (205:14): [True: 0, False: 2.37k] ------------------ 206| 0| return false; 207| 0| } 208| | 209| 7.19k| return true; 210| 7.19k|} stun_produce_integrity_key_str: 340| 9.53k| SHATYPE shatype) { 341| 9.53k| bool ret; 342| | 343| 9.53k| ERR_clear_error(); 344| 9.53k| UNUSED_ARG(shatype); ------------------ | | 216| 9.53k| do { \ | | 217| 9.53k| A = A; \ | | 218| 9.53k| } while (0) | | ------------------ | | | Branch (218:12): [Folded, False: 9.53k] | | ------------------ ------------------ 345| | 346| 9.53k| const size_t ulen = strlen((const char *)uname); 347| 9.53k| const size_t rlen = strlen((const char *)realm); 348| 9.53k| const size_t plen = strlen((const char *)upwd); 349| 9.53k| const size_t sz = ulen + 1 + rlen + 1 + plen + 1 + 10; 350| 9.53k| const size_t strl = ulen + 1 + rlen + 1 + plen; 351| 9.53k| uint8_t *str = (uint8_t *)turn_malloc(sz + 1); ------------------ | | 119| 9.53k|#define turn_malloc(sz) turn_malloc_impl((sz), __FILE__, __LINE__) ------------------ 352| | 353| 9.53k| strncpy((char *)str, (const char *)uname, sz); 354| 9.53k| str[ulen] = ':'; 355| 9.53k| strncpy((char *)str + ulen + 1, (const char *)realm, sz - ulen - 1); 356| 9.53k| str[ulen + 1 + rlen] = ':'; 357| 9.53k| strncpy((char *)str + ulen + 1 + rlen + 1, (const char *)upwd, sz - ulen - 1 - rlen - 1); 358| 9.53k| str[strl] = 0; 359| | 360| 9.53k| if (shatype == SHATYPE_SHA256) { ------------------ | Branch (360:7): [True: 3.76k, False: 5.77k] ------------------ 361| 3.76k|#if !defined(OPENSSL_NO_SHA256) && defined(SHA256_DIGEST_LENGTH) 362| 3.76k| unsigned int keylen = 0; 363| 3.76k| EVP_MD_CTX *ctx = EVP_MD_CTX_new(); 364| 3.76k| EVP_DigestInit(ctx, EVP_sha256()); 365| 3.76k| EVP_DigestUpdate(ctx, str, strl); 366| 3.76k| EVP_DigestFinal(ctx, key, &keylen); 367| 3.76k| EVP_MD_CTX_free(ctx); 368| 3.76k| ret = true; 369| |#else 370| | fprintf(stderr, "SHA256 is not supported\n"); 371| | ret = false; 372| |#endif 373| 5.77k| } else if (shatype == SHATYPE_SHA384) { ------------------ | Branch (373:14): [True: 1.78k, False: 3.98k] ------------------ 374| 1.78k|#if !defined(OPENSSL_NO_SHA384) && defined(SHA384_DIGEST_LENGTH) 375| 1.78k| unsigned int keylen = 0; 376| 1.78k| EVP_MD_CTX *ctx = EVP_MD_CTX_new(); 377| 1.78k| EVP_DigestInit(ctx, EVP_sha384()); 378| 1.78k| EVP_DigestUpdate(ctx, str, strl); 379| 1.78k| EVP_DigestFinal(ctx, key, &keylen); 380| 1.78k| EVP_MD_CTX_free(ctx); 381| 1.78k| ret = true; 382| |#else 383| | fprintf(stderr, "SHA384 is not supported\n"); 384| | ret = false; 385| |#endif 386| 3.98k| } else if (shatype == SHATYPE_SHA512) { ------------------ | Branch (386:14): [True: 1.88k, False: 2.09k] ------------------ 387| 1.88k|#if !defined(OPENSSL_NO_SHA512) && defined(SHA512_DIGEST_LENGTH) 388| 1.88k| unsigned int keylen = 0; 389| 1.88k| EVP_MD_CTX *ctx = EVP_MD_CTX_new(); 390| 1.88k| EVP_DigestInit(ctx, EVP_sha512()); 391| 1.88k| EVP_DigestUpdate(ctx, str, strl); 392| 1.88k| EVP_DigestFinal(ctx, key, &keylen); 393| 1.88k| EVP_MD_CTX_free(ctx); 394| 1.88k| ret = true; 395| |#else 396| | fprintf(stderr, "SHA512 is not supported\n"); 397| | ret = false; 398| |#endif 399| 2.09k| } else { 400| 2.09k|#if OPENSSL_VERSION_NUMBER >= 0x30000000L 401| 2.09k| unsigned int keylen = 0; 402| 2.09k| EVP_MD_CTX *ctx = EVP_MD_CTX_new(); 403| 2.09k| if (EVP_default_properties_is_fips_enabled(NULL)) { ------------------ | Branch (403:9): [True: 0, False: 2.09k] ------------------ 404| 0| EVP_default_properties_enable_fips(NULL, 0); 405| 0| } 406| 2.09k| EVP_DigestInit_ex(ctx, EVP_md5(), NULL); 407| 2.09k| EVP_DigestUpdate(ctx, str, strl); 408| 2.09k| EVP_DigestFinal(ctx, key, &keylen); 409| 2.09k| EVP_MD_CTX_free(ctx); 410| |#else // OPENSSL_VERSION_NUMBER < 0x30000000L 411| | unsigned int keylen = 0; 412| | EVP_MD_CTX *ctx = EVP_MD_CTX_new(); 413| |#if defined EVP_MD_CTX_FLAG_NON_FIPS_ALLOW && !defined(LIBRESSL_VERSION_NUMBER) 414| | if (FIPS_mode()) { 415| | EVP_MD_CTX_set_flags(ctx, EVP_MD_CTX_FLAG_NON_FIPS_ALLOW); 416| | } 417| |#endif 418| | EVP_DigestInit_ex(ctx, EVP_md5(), NULL); 419| | EVP_DigestUpdate(ctx, str, strl); 420| | EVP_DigestFinal(ctx, key, &keylen); 421| | EVP_MD_CTX_free(ctx); 422| |#endif // OPENSSL_VERSION_NUMBER >= 0X30000000L 423| 2.09k| ret = true; 424| 2.09k| } 425| | 426| 9.53k| free(str); 427| | 428| 9.53k| return ret; 429| 9.53k|} stun_get_command_message_len_str: 523| 1.96M|int stun_get_command_message_len_str(const uint8_t *buf, size_t len) { 524| 1.96M| if (len < STUN_HEADER_LENGTH) { ------------------ | | 46| 1.96M|#define STUN_HEADER_LENGTH (20) ------------------ | Branch (524:7): [True: 22, False: 1.96M] ------------------ 525| 22| return -1; 526| 22| } 527| | 528| | /* Validate the size the buffer claims to be */ 529| 1.96M| const size_t bufLen = (size_t)(turn_read_u16(buf + 2) + STUN_HEADER_LENGTH); ------------------ | | 46| 1.96M|#define STUN_HEADER_LENGTH (20) ------------------ 530| 1.96M| if (bufLen > len) { ------------------ | Branch (530:7): [True: 1.06k, False: 1.96M] ------------------ 531| 1.06k| return -1; 532| 1.06k| } 533| | 534| 1.96M| return bufLen; 535| 1.96M|} stun_make_type: 547| 18.9k|uint16_t stun_make_type(uint16_t method) { 548| 18.9k| method = method & 0x0FFF; 549| 18.9k| return ((method & 0x000F) | ((method & 0x0070) << 1) | ((method & 0x0380) << 2) | ((method & 0x0C00) << 2)); 550| 18.9k|} stun_get_method_str: 552| 5.25k|uint16_t stun_get_method_str(const uint8_t *buf, size_t len) { 553| 5.25k| if (!buf || len < 2) { ------------------ | Branch (553:7): [True: 0, False: 5.25k] | Branch (553:15): [True: 0, False: 5.25k] ------------------ 554| 0| return (uint16_t)-1; 555| 0| } 556| | 557| 5.25k| const uint16_t tt = turn_read_u16(buf); 558| | 559| 5.25k| return (tt & 0x000F) | ((tt & 0x00E0) >> 1) | ((tt & 0x0E00) >> 2) | ((tt & 0x3000) >> 2); 560| 5.25k|} stun_get_msg_type_str: 562| 23.8k|uint16_t stun_get_msg_type_str(const uint8_t *buf, size_t len) { 563| 23.8k| if (!buf || len < 2) { ------------------ | Branch (563:7): [True: 0, False: 23.8k] | Branch (563:15): [True: 0, False: 23.8k] ------------------ 564| 0| return (uint16_t)-1; 565| 0| } 566| 23.8k| return (turn_read_u16(buf) & 0x3FFF); 567| 23.8k|} is_channel_msg_str: 569| 23.6k|bool is_channel_msg_str(const uint8_t *buf, size_t blen) { 570| 23.6k| return (buf && blen >= 4 && STUN_VALID_CHANNEL(turn_read_u16(buf))); ------------------ | | 159| 23.6k|#define STUN_VALID_CHANNEL(chn) ((chn) >= 0x4000 && (chn) <= 0x7FFF) | | ------------------ | | | Branch (159:34): [True: 0, False: 23.6k] | | | Branch (159:53): [True: 0, False: 0] | | ------------------ ------------------ | Branch (570:11): [True: 23.6k, False: 0] | Branch (570:18): [True: 23.6k, False: 0] ------------------ 571| 23.6k|} stun_is_command_message_str: 575| 13.1k|bool stun_is_command_message_str(const uint8_t *buf, size_t blen) { 576| 13.1k| if (buf && blen >= STUN_HEADER_LENGTH) { ------------------ | | 46| 13.1k|#define STUN_HEADER_LENGTH (20) ------------------ | Branch (576:7): [True: 13.1k, False: 0] | Branch (576:14): [True: 13.1k, False: 11] ------------------ 577| 13.1k| if (!STUN_VALID_CHANNEL(turn_read_u16(buf))) { ------------------ | | 159| 13.1k|#define STUN_VALID_CHANNEL(chn) ((chn) >= 0x4000 && (chn) <= 0x7FFF) | | ------------------ | | | Branch (159:34): [True: 383, False: 12.7k] | | | Branch (159:53): [True: 104, False: 279] | | ------------------ ------------------ 578| 13.0k| if ((((uint8_t)buf[0]) & ((uint8_t)(0xC0))) == 0) { ------------------ | Branch (578:11): [True: 12.7k, False: 279] ------------------ 579| 12.7k| if (turn_read_u32(buf + 4) == STUN_MAGIC_COOKIE) { ------------------ | | 56| 12.7k|#define STUN_MAGIC_COOKIE (0x2112A442) ------------------ | Branch (579:13): [True: 9.64k, False: 3.08k] ------------------ 580| 9.64k| const uint16_t len = turn_read_u16(buf + 2); 581| 9.64k| if ((len & 0x0003) == 0) { ------------------ | Branch (581:15): [True: 9.51k, False: 127] ------------------ 582| 9.51k| if ((size_t)(len + STUN_HEADER_LENGTH) == blen) { ------------------ | | 46| 9.51k|#define STUN_HEADER_LENGTH (20) ------------------ | Branch (582:17): [True: 9.01k, False: 506] ------------------ 583| 9.01k| return true; 584| 9.01k| } 585| 9.51k| } 586| 9.64k| } 587| 12.7k| } 588| 13.0k| } 589| 13.1k| } 590| 4.10k| return false; 591| 13.1k|} old_stun_is_command_message_str: 593| 1.56k|bool old_stun_is_command_message_str(const uint8_t *buf, size_t blen, uint32_t *cookie) { 594| 1.56k| if (buf && blen >= STUN_HEADER_LENGTH) { ------------------ | | 46| 1.56k|#define STUN_HEADER_LENGTH (20) ------------------ | Branch (594:7): [True: 1.56k, False: 0] | Branch (594:14): [True: 1.56k, False: 0] ------------------ 595| 1.56k| if (!STUN_VALID_CHANNEL(turn_read_u16(buf))) { ------------------ | | 159| 1.56k|#define STUN_VALID_CHANNEL(chn) ((chn) >= 0x4000 && (chn) <= 0x7FFF) | | ------------------ | | | Branch (159:34): [True: 48, False: 1.51k] | | | Branch (159:53): [True: 13, False: 35] | | ------------------ ------------------ 596| 1.54k| if ((((uint8_t)buf[0]) & ((uint8_t)(0xC0))) == 0) { ------------------ | Branch (596:11): [True: 1.51k, False: 35] ------------------ 597| 1.51k| const uint32_t msg_cookie = turn_read_u32(buf + 4); 598| 1.51k| if (msg_cookie != STUN_MAGIC_COOKIE) { ------------------ | | 56| 1.51k|#define STUN_MAGIC_COOKIE (0x2112A442) ------------------ | Branch (598:13): [True: 304, False: 1.20k] ------------------ 599| 304| const uint16_t len = turn_read_u16(buf + 2); 600| 304| if ((len & 0x0003) == 0) { ------------------ | Branch (600:15): [True: 236, False: 68] ------------------ 601| 236| if ((size_t)(len + STUN_HEADER_LENGTH) == blen) { ------------------ | | 46| 236|#define STUN_HEADER_LENGTH (20) ------------------ | Branch (601:17): [True: 163, False: 73] ------------------ 602| 163| *cookie = msg_cookie; 603| 163| return true; 604| 163| } 605| 236| } 606| 304| } 607| 1.51k| } 608| 1.54k| } 609| 1.56k| } 610| 1.39k| return false; 611| 1.56k|} stun_is_command_message_full_check_str: 614| 8.13k| bool *fingerprint_present) { 615| 8.13k| if (!stun_is_command_message_str(buf, blen)) { ------------------ | Branch (615:7): [True: 2.49k, False: 5.64k] ------------------ 616| 2.49k| return false; 617| 2.49k| } 618| 5.64k| stun_attr_ref sar = stun_attr_get_first_by_type_str(buf, blen, STUN_ATTRIBUTE_FINGERPRINT); ------------------ | | 111| 5.64k|#define STUN_ATTRIBUTE_FINGERPRINT (0x8028) ------------------ 619| 5.64k| if (!sar) { ------------------ | Branch (619:7): [True: 5.09k, False: 545] ------------------ 620| 5.09k| if (fingerprint_present) { ------------------ | Branch (620:9): [True: 0, False: 5.09k] ------------------ 621| 0| *fingerprint_present = false; 622| 0| } 623| 5.09k| if (stun_get_method_str(buf, blen) == STUN_METHOD_BINDING) { ------------------ | | 77| 5.09k|#define STUN_METHOD_BINDING (0x0001) ------------------ | Branch (623:9): [True: 160, False: 4.93k] ------------------ 624| 160| return true; 625| 160| } 626| 4.93k| return !must_check_fingerprint; 627| 5.09k| } 628| 545| if (stun_attr_get_len(sar) != 4) { ------------------ | Branch (628:7): [True: 150, False: 395] ------------------ 629| 150| return false; 630| 150| } 631| 395| const uint8_t *fingerprint = stun_attr_get_value(sar); 632| 395| if (!fingerprint) { ------------------ | Branch (632:7): [True: 0, False: 395] ------------------ 633| 0| return !must_check_fingerprint; 634| 0| } 635| 395| const uint32_t crc32len = (uint32_t)((fingerprint - buf) - 4); 636| 395| const bool ret = (turn_read_u32(fingerprint) == (ns_crc32(buf, crc32len) ^ ((uint32_t)FINGERPRINT_XOR))); ------------------ | | 53| 395|#define FINGERPRINT_XOR 0x5354554e ------------------ 637| 395| if (ret && fingerprint_present) { ------------------ | Branch (637:7): [True: 5, False: 390] | Branch (637:14): [True: 0, False: 5] ------------------ 638| 0| *fingerprint_present = ret; 639| 0| } 640| 395| return ret; 641| 395|} stun_is_request_str: 643| 163|bool stun_is_request_str(const uint8_t *buf, size_t len) { 644| 163| if (is_channel_msg_str(buf, len)) { ------------------ | Branch (644:7): [True: 0, False: 163] ------------------ 645| 0| return false; 646| 0| } 647| 163| return IS_STUN_REQUEST(stun_get_msg_type_str(buf, len)); ------------------ | | 58| 163|#define IS_STUN_REQUEST(msg_type) (((msg_type)&0x0110) == 0x0000) ------------------ 648| 163|} stun_is_success_response_str: 650| 163|bool stun_is_success_response_str(const uint8_t *buf, size_t len) { 651| 163| if (is_channel_msg_str(buf, len)) { ------------------ | Branch (651:7): [True: 0, False: 163] ------------------ 652| 0| return false; 653| 0| } 654| 163| return IS_STUN_SUCCESS_RESP(stun_get_msg_type_str(buf, len)); ------------------ | | 60| 163|#define IS_STUN_SUCCESS_RESP(msg_type) (((msg_type)&0x0110) == 0x0100) ------------------ 655| 163|} stun_is_error_response_str: 657| 23.1k|bool stun_is_error_response_str(const uint8_t *buf, size_t len, int *err_code, uint8_t *err_msg, size_t err_msg_size) { 658| 23.1k| if (is_channel_msg_str(buf, len)) { ------------------ | Branch (658:7): [True: 0, False: 23.1k] ------------------ 659| 0| return false; 660| 0| } 661| 23.1k| if (IS_STUN_ERR_RESP(stun_get_msg_type_str(buf, len))) { ------------------ | | 61| 23.1k|#define IS_STUN_ERR_RESP(msg_type) (((msg_type)&0x0110) == 0x0110) | | ------------------ | | | Branch (61:36): [True: 21.4k, False: 1.69k] | | ------------------ ------------------ 662| 21.4k| if (err_code) { ------------------ | Branch (662:9): [True: 21.4k, False: 0] ------------------ 663| 21.4k| stun_attr_ref sar = stun_attr_get_first_by_type_str(buf, len, STUN_ATTRIBUTE_ERROR_CODE); ------------------ | | 99| 21.4k|#define STUN_ATTRIBUTE_ERROR_CODE (0x0009) ------------------ 664| 21.4k| if (sar) { ------------------ | Branch (664:11): [True: 20.9k, False: 479] ------------------ 665| 20.9k| if (stun_attr_get_len(sar) >= 4) { ------------------ | Branch (665:13): [True: 20.9k, False: 29] ------------------ 666| 20.9k| const uint8_t *val = (const uint8_t *)stun_attr_get_value(sar); 667| 20.9k| *err_code = (int)(val[2] * 100 + val[3]); 668| 20.9k| if (err_msg && err_msg_size > 0) { ------------------ | Branch (668:15): [True: 20.9k, False: 0] | Branch (668:26): [True: 20.9k, False: 0] ------------------ 669| 20.9k| err_msg[0] = 0; 670| 20.9k| if (stun_attr_get_len(sar) > 4) { ------------------ | Branch (670:17): [True: 20.8k, False: 123] ------------------ 671| 20.8k| size_t msg_len = stun_attr_get_len(sar) - 4; 672| 20.8k| if (msg_len > (err_msg_size - 1)) { ------------------ | Branch (672:19): [True: 15, False: 20.8k] ------------------ 673| 15| msg_len = err_msg_size - 1; 674| 15| } 675| 20.8k| memcpy(err_msg, val + 4, msg_len); 676| 20.8k| err_msg[msg_len] = 0; 677| 20.8k| } 678| 20.9k| } 679| 20.9k| } 680| 20.9k| } 681| 21.4k| } 682| 21.4k| return true; 683| 21.4k| } 684| 1.69k| return false; 685| 23.1k|} stun_is_challenge_response_str: 689| 21.8k| bool *oauth) { 690| 21.8k| const bool ret = stun_is_error_response_str(buf, len, err_code, err_msg, err_msg_size); 691| | 692| 21.8k| if (ret && (((*err_code) == 401) || ((*err_code) == 438))) { ------------------ | Branch (692:7): [True: 21.0k, False: 807] | Branch (692:15): [True: 13.8k, False: 7.20k] | Branch (692:39): [True: 3.47k, False: 3.72k] ------------------ 693| 17.3k| stun_attr_ref sar = stun_attr_get_first_by_type_str(buf, len, STUN_ATTRIBUTE_REALM); ------------------ | | 102| 17.3k|#define STUN_ATTRIBUTE_REALM (0x0014) ------------------ 694| 17.3k| if (sar) { ------------------ | Branch (694:9): [True: 13.8k, False: 3.46k] ------------------ 695| 13.8k| bool found_oauth = false; 696| | 697| 13.8k| const uint8_t *value = stun_attr_get_value(sar); 698| 13.8k| if (value) { ------------------ | Branch (698:11): [True: 13.8k, False: 2] ------------------ 699| 13.8k| size_t vlen = (size_t)stun_attr_get_len(sar); 700| 13.8k| vlen = min(vlen, (size_t)STUN_MAX_REALM_SIZE); ------------------ | | 138| 13.8k|#define min(a, b) ((a) <= (b) ? (a) : (b)) | | ------------------ | | | Branch (138:20): [True: 13.8k, False: 17] | | ------------------ ------------------ 701| 13.8k| memcpy(realm, value, vlen); 702| 13.8k| realm[vlen] = 0; 703| 13.8k| { 704| 13.8k| sar = stun_attr_get_first_by_type_str(buf, len, STUN_ATTRIBUTE_THIRD_PARTY_AUTHORIZATION); ------------------ | | 223| 13.8k|#define STUN_ATTRIBUTE_THIRD_PARTY_AUTHORIZATION (0x802E) ------------------ 705| 13.8k| if (sar) { ------------------ | Branch (705:15): [True: 3.47k, False: 10.3k] ------------------ 706| 3.47k| value = stun_attr_get_value(sar); 707| 3.47k| if (value) { ------------------ | Branch (707:17): [True: 3.47k, False: 1] ------------------ 708| 3.47k| vlen = (size_t)stun_attr_get_len(sar); 709| 3.47k| vlen = min(vlen, (size_t)STUN_MAX_SERVER_NAME_SIZE); ------------------ | | 138| 3.47k|#define min(a, b) ((a) <= (b) ? (a) : (b)) | | ------------------ | | | Branch (138:20): [True: 3.47k, False: 1] | | ------------------ ------------------ 710| 3.47k| if (vlen > 0) { ------------------ | Branch (710:19): [True: 3.47k, False: 0] ------------------ 711| 3.47k| if (server_name) { ------------------ | Branch (711:21): [True: 3.47k, False: 0] ------------------ 712| 3.47k| memcpy(server_name, value, vlen); 713| 3.47k| server_name[vlen] = 0; 714| 3.47k| } 715| 3.47k| found_oauth = true; 716| 3.47k| } 717| 3.47k| } 718| 3.47k| } 719| 13.8k| } 720| | 721| 13.8k| sar = stun_attr_get_first_by_type_str(buf, len, STUN_ATTRIBUTE_NONCE); ------------------ | | 103| 13.8k|#define STUN_ATTRIBUTE_NONCE (0x0015) ------------------ 722| 13.8k| if (sar) { ------------------ | Branch (722:13): [True: 10.3k, False: 3.48k] ------------------ 723| 10.3k| value = stun_attr_get_value(sar); 724| 10.3k| if (value) { ------------------ | Branch (724:15): [True: 10.3k, False: 2] ------------------ 725| 10.3k| vlen = (size_t)stun_attr_get_len(sar); 726| 10.3k| vlen = min(vlen, (size_t)STUN_MAX_NONCE_SIZE); ------------------ | | 138| 10.3k|#define min(a, b) ((a) <= (b) ? (a) : (b)) | | ------------------ | | | Branch (138:20): [True: 10.3k, False: 8] | | ------------------ ------------------ 727| 10.3k| memcpy(nonce, value, vlen); 728| 10.3k| nonce[vlen] = 0; 729| 10.3k| if (oauth) { ------------------ | Branch (729:17): [True: 5.19k, False: 5.18k] ------------------ 730| 5.19k| *oauth = found_oauth; 731| 5.19k| } 732| 10.3k| return true; 733| 10.3k| } 734| 10.3k| } 735| 13.8k| } 736| 13.8k| } 737| 17.3k| } 738| | 739| 11.4k| return false; 740| 21.8k|} stun_is_indication_str: 755| 163|bool stun_is_indication_str(const uint8_t *buf, size_t len) { 756| 163| if (is_channel_msg_str(buf, len)) { ------------------ | Branch (756:7): [True: 0, False: 163] ------------------ 757| 0| return false; 758| 0| } 759| 163| return IS_STUN_INDICATION(stun_get_msg_type_str(buf, len)); ------------------ | | 59| 163|#define IS_STUN_INDICATION(msg_type) (((msg_type)&0x0110) == 0x0010) ------------------ 760| 163|} stun_make_request: 762| 8.63k|uint16_t stun_make_request(uint16_t method) { return GET_STUN_REQUEST(stun_make_type(method)); } ------------------ | | 63| 8.63k|#define GET_STUN_REQUEST(msg_type) (msg_type & 0xFEEF) ------------------ stun_make_error_response: 768| 10.3k|uint16_t stun_make_error_response(uint16_t method) { return GET_STUN_ERR_RESP(stun_make_type(method)); } ------------------ | | 66| 10.3k|#define GET_STUN_ERR_RESP(msg_type) (msg_type | 0x0110) ------------------ stun_init_buffer_str: 772| 18.9k|void stun_init_buffer_str(uint8_t *buf, size_t *len) { 773| 18.9k| *len = STUN_HEADER_LENGTH; ------------------ | | 46| 18.9k|#define STUN_HEADER_LENGTH (20) ------------------ 774| 18.9k| memset(buf, 0, *len); 775| 18.9k|} stun_init_command_str: 777| 18.9k|void stun_init_command_str(uint16_t message_type, uint8_t *buf, size_t *len) { 778| 18.9k| stun_init_buffer_str(buf, len); 779| 18.9k| message_type &= (uint16_t)(0x3FFF); 780| 18.9k| turn_write_u16(buf, message_type); 781| 18.9k| turn_write_u16(buf + 2, 0); 782| 18.9k| turn_write_u32(buf + 4, STUN_MAGIC_COOKIE); ------------------ | | 56| 18.9k|#define STUN_MAGIC_COOKIE (0x2112A442) ------------------ 783| | stun_tid_generate_in_message_str(buf, NULL); 784| 18.9k|} stun_init_request_str: 795| 8.63k|void stun_init_request_str(uint16_t method, uint8_t *buf, size_t *len) { 796| 8.63k| stun_init_command_str(stun_make_request(method), buf, len); 797| 8.63k|} get_default_reason: 817| 1.11k|const uint8_t *get_default_reason(int error_code) { 818| 1.11k| const char *reason = "Unknown error"; 819| | 820| 1.11k| switch (error_code) { 821| 0| case 300: ------------------ | Branch (821:3): [True: 0, False: 1.11k] ------------------ 822| 0| reason = "Try Alternate"; 823| 0| break; 824| 0| case 400: ------------------ | Branch (824:3): [True: 0, False: 1.11k] ------------------ 825| 0| reason = "Bad Request"; 826| 0| break; 827| 0| case 401: ------------------ | Branch (827:3): [True: 0, False: 1.11k] ------------------ 828| 0| reason = "Unauthorized"; 829| 0| break; 830| 0| case 403: ------------------ | Branch (830:3): [True: 0, False: 1.11k] ------------------ 831| 0| reason = "Forbidden"; 832| 0| break; 833| 0| case 404: ------------------ | Branch (833:3): [True: 0, False: 1.11k] ------------------ 834| 0| reason = "Not Found"; 835| 0| break; 836| 0| case 420: ------------------ | Branch (836:3): [True: 0, False: 1.11k] ------------------ 837| 0| reason = "Unknown Attribute"; 838| 0| break; 839| 0| case 437: ------------------ | Branch (839:3): [True: 0, False: 1.11k] ------------------ 840| 0| reason = "Allocation Mismatch"; 841| 0| break; 842| 0| case 438: ------------------ | Branch (842:3): [True: 0, False: 1.11k] ------------------ 843| 0| reason = "Stale Nonce"; 844| 0| break; 845| 1.11k| case 440: ------------------ | Branch (845:3): [True: 1.11k, False: 0] ------------------ 846| 1.11k| reason = "Address Family not Supported"; 847| 1.11k| break; 848| 0| case 441: ------------------ | Branch (848:3): [True: 0, False: 1.11k] ------------------ 849| 0| reason = "Wrong Credentials"; 850| 0| break; 851| 0| case 442: ------------------ | Branch (851:3): [True: 0, False: 1.11k] ------------------ 852| 0| reason = "Unsupported Transport Protocol"; 853| 0| break; 854| 0| case 443: ------------------ | Branch (854:3): [True: 0, False: 1.11k] ------------------ 855| 0| reason = "Peer Address Family Mismatch"; 856| 0| break; 857| 0| case 446: ------------------ | Branch (857:3): [True: 0, False: 1.11k] ------------------ 858| 0| reason = "Connection Already Exists"; 859| 0| break; 860| 0| case 447: ------------------ | Branch (860:3): [True: 0, False: 1.11k] ------------------ 861| 0| reason = "Connection Timeout or Failure"; 862| 0| break; 863| 0| case 486: ------------------ | Branch (863:3): [True: 0, False: 1.11k] ------------------ 864| 0| reason = "Allocation Quota Reached"; 865| 0| break; 866| 0| case 487: ------------------ | Branch (866:3): [True: 0, False: 1.11k] ------------------ 867| 0| reason = "Role Conflict"; 868| 0| break; 869| 0| case 500: ------------------ | Branch (869:3): [True: 0, False: 1.11k] ------------------ 870| 0| reason = "Server Error"; 871| 0| break; 872| 0| case 508: ------------------ | Branch (872:3): [True: 0, False: 1.11k] ------------------ 873| 0| reason = "Insufficient Capacity"; 874| 0| break; 875| 0| default:; ------------------ | Branch (875:3): [True: 0, False: 1.11k] ------------------ 876| 1.11k| }; 877| | 878| 1.11k| return (const uint8_t *)reason; 879| 1.11k|} stun_init_error_response_str: 925| 10.3k| const uint8_t *reason, stun_tid *id, bool include_reason_string) { 926| | 927| 10.3k| stun_init_command_str(stun_make_error_response(method), buf, len); 928| | 929| | stun_init_error_response_common_str(buf, len, error_code, reason, id, include_reason_string, false); 930| 10.3k|} stun_is_binding_request_str: 1372| 163|bool stun_is_binding_request_str(const uint8_t *buf, size_t len, size_t offset) { 1373| 163| if (offset < len) { ------------------ | Branch (1373:7): [True: 163, False: 0] ------------------ 1374| 163| buf += offset; 1375| 163| len -= offset; 1376| 163| if (stun_is_command_message_str(buf, len)) { ------------------ | Branch (1376:9): [True: 0, False: 163] ------------------ 1377| 0| if (stun_is_request_str(buf, len) && (stun_get_method_str(buf, len) == STUN_METHOD_BINDING)) { ------------------ | | 77| 0|#define STUN_METHOD_BINDING (0x0001) ------------------ | Branch (1377:11): [True: 0, False: 0] | Branch (1377:44): [True: 0, False: 0] ------------------ 1378| 0| return true; 1379| 0| } 1380| 0| } 1381| 163| } 1382| 163| return false; 1383| 163|} stun_is_binding_response_str: 1385| 163|bool stun_is_binding_response_str(const uint8_t *buf, size_t len) { 1386| 163| if (stun_is_command_message_str(buf, len) && (stun_get_method_str(buf, len) == STUN_METHOD_BINDING)) { ------------------ | | 77| 0|#define STUN_METHOD_BINDING (0x0001) ------------------ | Branch (1386:7): [True: 0, False: 163] | Branch (1386:48): [True: 0, False: 0] ------------------ 1387| 0| if (stun_is_response_str(buf, len)) { ------------------ | Branch (1387:9): [True: 0, False: 0] ------------------ 1388| 0| return true; 1389| 0| } 1390| 0| } 1391| 163| return false; 1392| 163|} stun_tid_from_message_str: 1430| 16.2k|void stun_tid_from_message_str(const uint8_t *buf, size_t len, stun_tid *id) { 1431| 16.2k| UNUSED_ARG(len); ------------------ | | 216| 16.2k| do { \ | | 217| 16.2k| A = A; \ | | 218| 16.2k| } while (0) | | ------------------ | | | Branch (218:12): [Folded, False: 16.2k] | | ------------------ ------------------ 1432| 16.2k| stun_tid_from_string(buf + 8, id); 1433| 16.2k|} stun_tid_message_cpy: 1435| 29.3k|void stun_tid_message_cpy(uint8_t *buf, const stun_tid *id) { 1436| 29.3k| if (buf && id) { ------------------ | Branch (1436:7): [True: 29.3k, False: 0] | Branch (1436:14): [True: 29.3k, False: 0] ------------------ 1437| 29.3k| stun_tid_string_cpy(buf + 8, id); 1438| 29.3k| } 1439| 29.3k|} stun_tid_generate: 1441| 18.9k|void stun_tid_generate(stun_tid *id) { 1442| 18.9k| if (id) { ------------------ | Branch (1442:7): [True: 18.9k, False: 0] ------------------ 1443| 18.9k| turn_random_tid_size(id->tsx_id); 1444| 18.9k| } 1445| 18.9k|} stun_tid_generate_in_message_str: 1447| 18.9k|void stun_tid_generate_in_message_str(uint8_t *buf, stun_tid *id) { 1448| 18.9k| stun_tid tmp; 1449| 18.9k| if (!id) { ------------------ | Branch (1449:7): [True: 18.9k, False: 0] ------------------ 1450| 18.9k| id = &tmp; 1451| 18.9k| } 1452| 18.9k| stun_tid_generate(id); 1453| 18.9k| stun_tid_message_cpy(buf, id); 1454| 18.9k|} stun_attr_get_type: 1478| 1.90M|int stun_attr_get_type(stun_attr_ref attr) { 1479| 1.90M| if (attr) { ------------------ | Branch (1479:7): [True: 1.90M, False: 0] ------------------ 1480| 1.90M| return (int)turn_read_u16(attr); 1481| 1.90M| } 1482| 0| return -1; 1483| 1.90M|} stun_attr_get_len: 1485| 3.65M|int stun_attr_get_len(stun_attr_ref attr) { 1486| 3.65M| if (attr) { ------------------ | Branch (1486:7): [True: 3.65M, False: 0] ------------------ 1487| 3.65M| return (int)turn_read_u16((const uint8_t *)attr + 2); 1488| 3.65M| } 1489| 0| return -1; 1490| 3.65M|} stun_attr_get_value: 1492| 86.2k|const uint8_t *stun_attr_get_value(stun_attr_ref attr) { 1493| 86.2k| if (attr) { ------------------ | Branch (1493:7): [True: 86.2k, False: 0] ------------------ 1494| 86.2k| const int len = (int)turn_read_u16((const uint8_t *)attr + 2); 1495| 86.2k| if (len < 1) { ------------------ | Branch (1495:9): [True: 22.1k, False: 64.1k] ------------------ 1496| 22.1k| return NULL; 1497| 22.1k| } 1498| 64.1k| return ((const uint8_t *)attr) + 4; 1499| 86.2k| } 1500| 0| return NULL; 1501| 86.2k|} stun_get_requested_address_family: 1503| 108|int stun_get_requested_address_family(stun_attr_ref attr) { 1504| 108| if (attr) { ------------------ | Branch (1504:7): [True: 108, False: 0] ------------------ 1505| 108| const int len = (int)turn_read_u16((const uint8_t *)attr + 2); 1506| 108| if (len != 4) { ------------------ | Branch (1506:9): [True: 62, False: 46] ------------------ 1507| 62| return STUN_ATTRIBUTE_REQUESTED_ADDRESS_FAMILY_VALUE_INVALID; ------------------ | | 167| 62|#define STUN_ATTRIBUTE_REQUESTED_ADDRESS_FAMILY_VALUE_INVALID (-1) ------------------ 1508| 62| } 1509| 46| const int val = ((const uint8_t *)attr)[4]; 1510| 46| switch (val) { 1511| 4| case STUN_ATTRIBUTE_REQUESTED_ADDRESS_FAMILY_VALUE_IPV4: ------------------ | | 164| 4|#define STUN_ATTRIBUTE_REQUESTED_ADDRESS_FAMILY_VALUE_IPV4 (0x01) ------------------ | Branch (1511:5): [True: 4, False: 42] ------------------ 1512| 9| case STUN_ATTRIBUTE_REQUESTED_ADDRESS_FAMILY_VALUE_IPV6: ------------------ | | 165| 9|#define STUN_ATTRIBUTE_REQUESTED_ADDRESS_FAMILY_VALUE_IPV6 (0x02) ------------------ | Branch (1512:5): [True: 5, False: 41] ------------------ 1513| 9| return val; 1514| 37| default: ------------------ | Branch (1514:5): [True: 37, False: 9] ------------------ 1515| 37| return STUN_ATTRIBUTE_REQUESTED_ADDRESS_FAMILY_VALUE_INVALID; ------------------ | | 167| 37|#define STUN_ATTRIBUTE_REQUESTED_ADDRESS_FAMILY_VALUE_INVALID (-1) ------------------ 1516| 46| }; 1517| 0| } 1518| 0| return STUN_ATTRIBUTE_REQUESTED_ADDRESS_FAMILY_VALUE_DEFAULT; ------------------ | | 166| 0|#define STUN_ATTRIBUTE_REQUESTED_ADDRESS_FAMILY_VALUE_DEFAULT (0x00) ------------------ 1519| 108|} stun_attr_get_channel_number: 1521| 2.93k|uint16_t stun_attr_get_channel_number(stun_attr_ref attr) { 1522| 2.93k| if (attr) { ------------------ | Branch (1522:7): [True: 2.93k, False: 0] ------------------ 1523| 2.93k| const uint8_t *value = stun_attr_get_value(attr); 1524| 2.93k| if (value && (stun_attr_get_len(attr) >= 2)) { ------------------ | Branch (1524:9): [True: 1.98k, False: 945] | Branch (1524:18): [True: 1.35k, False: 633] ------------------ 1525| 1.35k| const uint16_t cn = turn_read_u16(value); 1526| 1.35k| if (STUN_VALID_CHANNEL(cn)) { ------------------ | | 159| 1.35k|#define STUN_VALID_CHANNEL(chn) ((chn) >= 0x4000 && (chn) <= 0x7FFF) | | ------------------ | | | Branch (159:34): [True: 636, False: 718] | | | Branch (159:53): [True: 44, False: 592] | | ------------------ ------------------ 1527| 44| return cn; 1528| 44| } 1529| 1.35k| } 1530| 2.93k| } 1531| 2.88k| return 0; 1532| 2.93k|} stun_attr_get_bandwidth: 1534| 68|band_limit_t stun_attr_get_bandwidth(stun_attr_ref attr) { 1535| 68| if (attr) { ------------------ | Branch (1535:7): [True: 68, False: 0] ------------------ 1536| 68| const uint8_t *value = stun_attr_get_value(attr); 1537| 68| if (value && (stun_attr_get_len(attr) >= 4)) { ------------------ | Branch (1537:9): [True: 33, False: 35] | Branch (1537:18): [True: 20, False: 13] ------------------ 1538| 20| const uint32_t bps = turn_read_u32(value); 1539| 20| return (band_limit_t)(bps << 7); 1540| 20| } 1541| 68| } 1542| 48| return 0; 1543| 68|} stun_attr_get_reservation_token_value: 1545| 33|uint64_t stun_attr_get_reservation_token_value(stun_attr_ref attr) { 1546| 33| if (attr) { ------------------ | Branch (1546:7): [True: 33, False: 0] ------------------ 1547| 33| const uint8_t *value = stun_attr_get_value(attr); 1548| 33| if (value && (stun_attr_get_len(attr) == 8)) { ------------------ | Branch (1548:9): [True: 25, False: 8] | Branch (1548:18): [True: 1, False: 24] ------------------ 1549| 1| return turn_read_u64(value); 1550| 1| } 1551| 33| } 1552| 32| return 0; 1553| 33|} stun_attr_is_addr: 1555| 185k|bool stun_attr_is_addr(stun_attr_ref attr) { 1556| | 1557| 185k| if (attr) { ------------------ | Branch (1557:7): [True: 185k, False: 0] ------------------ 1558| 185k| switch (stun_attr_get_type(attr)) { 1559| 13.8k| case STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS: ------------------ | | 105| 13.8k|#define STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS (0x0020) ------------------ | Branch (1559:5): [True: 13.8k, False: 171k] ------------------ 1560| 26.6k| case STUN_ATTRIBUTE_XOR_PEER_ADDRESS: ------------------ | | 116| 26.6k|#define STUN_ATTRIBUTE_XOR_PEER_ADDRESS (0x0012) ------------------ | Branch (1560:5): [True: 12.8k, False: 172k] ------------------ 1561| 39.0k| case STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS: ------------------ | | 118| 39.0k|#define STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS (0x0016) ------------------ | Branch (1561:5): [True: 12.3k, False: 173k] ------------------ 1562| 55.0k| case STUN_ATTRIBUTE_MAPPED_ADDRESS: ------------------ | | 91| 55.0k|#define STUN_ATTRIBUTE_MAPPED_ADDRESS (0x0001) ------------------ | Branch (1562:5): [True: 15.9k, False: 169k] ------------------ 1563| 61.7k| case STUN_ATTRIBUTE_ALTERNATE_SERVER: ------------------ | | 110| 61.7k|#define STUN_ATTRIBUTE_ALTERNATE_SERVER (0x8023) ------------------ | Branch (1563:5): [True: 6.70k, False: 178k] ------------------ 1564| 67.7k| case OLD_STUN_ATTRIBUTE_RESPONSE_ADDRESS: ------------------ | | 92| 67.7k|#define OLD_STUN_ATTRIBUTE_RESPONSE_ADDRESS (0x0002) ------------------ | Branch (1564:5): [True: 6.01k, False: 179k] ------------------ 1565| 74.3k| case OLD_STUN_ATTRIBUTE_SOURCE_ADDRESS: ------------------ | | 94| 74.3k|#define OLD_STUN_ATTRIBUTE_SOURCE_ADDRESS (0x0004) ------------------ | Branch (1565:5): [True: 6.60k, False: 178k] ------------------ 1566| 78.4k| case OLD_STUN_ATTRIBUTE_CHANGED_ADDRESS: ------------------ | | 95| 78.4k|#define OLD_STUN_ATTRIBUTE_CHANGED_ADDRESS (0x0005) ------------------ | Branch (1566:5): [True: 4.15k, False: 181k] ------------------ 1567| 83.8k| case OLD_STUN_ATTRIBUTE_REFLECTED_FROM: ------------------ | | 101| 83.8k|#define OLD_STUN_ATTRIBUTE_REFLECTED_FROM (0x000B) ------------------ | Branch (1567:5): [True: 5.36k, False: 180k] ------------------ 1568| 91.1k| case STUN_ATTRIBUTE_RESPONSE_ORIGIN: ------------------ | | 132| 91.1k|#define STUN_ATTRIBUTE_RESPONSE_ORIGIN (0x802B) ------------------ | Branch (1568:5): [True: 7.32k, False: 178k] ------------------ 1569| 96.4k| case STUN_ATTRIBUTE_OTHER_ADDRESS: ------------------ | | 133| 96.4k|#define STUN_ATTRIBUTE_OTHER_ADDRESS (0x802C) ------------------ | Branch (1569:5): [True: 5.27k, False: 180k] ------------------ 1570| 96.4k| return true; 1571| 0| break; 1572| 88.9k| default:; ------------------ | Branch (1572:5): [True: 88.9k, False: 96.4k] ------------------ 1573| 185k| }; 1574| 88.9k| } 1575| 88.9k| return false; 1576| 185k|} stun_attr_get_even_port: 1578| 26|uint8_t stun_attr_get_even_port(stun_attr_ref attr) { 1579| 26| if (attr) { ------------------ | Branch (1579:7): [True: 26, False: 0] ------------------ 1580| 26| const uint8_t *value = stun_attr_get_value(attr); 1581| 26| if (value) { ------------------ | Branch (1581:9): [True: 13, False: 13] ------------------ 1582| 13| if ((uint8_t)(value[0]) > 0x7F) { ------------------ | Branch (1582:11): [True: 6, False: 7] ------------------ 1583| 6| return 1; 1584| 6| } 1585| 13| } 1586| 26| } 1587| 20| return 0; 1588| 26|} stun_attr_get_first_by_type_str: 1598| 157k|stun_attr_ref stun_attr_get_first_by_type_str(const uint8_t *buf, size_t len, uint16_t attr_type) { 1599| 157k| stun_attr_ref attr = stun_attr_get_first_str(buf, len); 1600| 1.67M| while (attr) { ------------------ | Branch (1600:10): [True: 1.57M, False: 102k] ------------------ 1601| 1.57M| if (stun_attr_get_type(attr) == attr_type) { ------------------ | Branch (1601:9): [True: 55.1k, False: 1.51M] ------------------ 1602| 55.1k| return attr; 1603| 55.1k| } 1604| 1.51M| attr = stun_attr_get_next_str(buf, len, attr); 1605| 1.51M| } 1606| | 1607| 102k| return NULL; 1608| 157k|} stun_attr_get_first_str: 1631| 169k|stun_attr_ref stun_attr_get_first_str(const uint8_t *buf, size_t len) { 1632| 169k| const int bufLen = stun_get_command_message_len_str(buf, len); 1633| 169k| if (bufLen > STUN_HEADER_LENGTH) { ------------------ | | 46| 169k|#define STUN_HEADER_LENGTH (20) ------------------ | Branch (1633:7): [True: 166k, False: 3.17k] ------------------ 1634| 166k| stun_attr_ref attr = (stun_attr_ref)(buf + STUN_HEADER_LENGTH); ------------------ | | 46| 166k|#define STUN_HEADER_LENGTH (20) ------------------ 1635| 166k| return stun_attr_check_valid(attr, bufLen - STUN_HEADER_LENGTH); ------------------ | | 46| 166k|#define STUN_HEADER_LENGTH (20) ------------------ 1636| 166k| } 1637| | 1638| 3.17k| return NULL; 1639| 169k|} stun_attr_get_next_str: 1641| 1.72M|stun_attr_ref stun_attr_get_next_str(const uint8_t *buf, size_t len, stun_attr_ref prev) { 1642| 1.72M| if (!prev) { ------------------ | Branch (1642:7): [True: 0, False: 1.72M] ------------------ 1643| 0| return stun_attr_get_first_str(buf, len); 1644| 1.72M| } else { 1645| 1.72M| const uint8_t *end = buf + stun_get_command_message_len_str(buf, len); 1646| 1.72M| int attrlen = stun_attr_get_len(prev); 1647| 1.72M| const uint16_t rem4 = ((uint16_t)attrlen) & 0x0003; 1648| 1.72M| if (rem4) { ------------------ | Branch (1648:9): [True: 363k, False: 1.36M] ------------------ 1649| 363k| attrlen = attrlen + 4 - (int)rem4; 1650| 363k| } 1651| | /* Note the order here: operations on attrlen are untrusted as they may overflow */ 1652| 1.72M| if (attrlen < end - (const uint8_t *)prev - 4) { ------------------ | Branch (1652:9): [True: 1.64M, False: 82.5k] ------------------ 1653| 1.64M| const uint8_t *attr_end = (const uint8_t *)prev + 4 + attrlen; 1654| 1.64M| return stun_attr_check_valid(attr_end, end - attr_end); 1655| 1.64M| } 1656| 82.5k| return NULL; 1657| 1.72M| } 1658| 1.72M|} stun_attr_add_str: 1660| 72.1k|bool stun_attr_add_str(uint8_t *buf, size_t *len, uint16_t attr, const uint8_t *avalue, int alen) { 1661| 72.1k| if (alen < 0) { ------------------ | Branch (1661:7): [True: 0, False: 72.1k] ------------------ 1662| 0| alen = 0; 1663| 0| } 1664| 72.1k| uint8_t tmp[1]; 1665| 72.1k| if (!avalue) { ------------------ | Branch (1665:7): [True: 1.11k, False: 71.0k] ------------------ 1666| 1.11k| alen = 0; 1667| 1.11k| avalue = tmp; 1668| 1.11k| } 1669| 72.1k| const int clen = stun_get_command_message_len_str(buf, *len); 1670| 72.1k| int newlen = clen + 4 + alen; 1671| 72.1k| const int newlenrem4 = newlen & 0x00000003; 1672| 72.1k| int paddinglen = 0; 1673| 72.1k| if (newlenrem4) { ------------------ | Branch (1673:7): [True: 29.4k, False: 42.6k] ------------------ 1674| 29.4k| paddinglen = 4 - newlenrem4; 1675| 29.4k| newlen = newlen + paddinglen; 1676| 29.4k| } 1677| | 1678| 72.1k| if (newlen >= MAX_STUN_MESSAGE_SIZE) { ------------------ | | 221| 72.1k|#define MAX_STUN_MESSAGE_SIZE (65507) ------------------ | Branch (1678:7): [True: 0, False: 72.1k] ------------------ 1679| 0| return false; 1680| 0| } 1681| | 1682| 72.1k| uint8_t *attr_start = buf + clen; 1683| | 1684| 72.1k| stun_set_command_message_len_str(buf, newlen); 1685| 72.1k| *len = newlen; 1686| | 1687| 72.1k| turn_write_u16(attr_start, attr); 1688| 72.1k| turn_write_u16(attr_start + 2, (uint16_t)alen); 1689| 72.1k| if (alen > 0) { ------------------ | Branch (1689:7): [True: 71.0k, False: 1.11k] ------------------ 1690| 71.0k| memcpy(attr_start + 4, avalue, alen); 1691| 71.0k| } 1692| | 1693| | // Write 0 padding to not leak data 1694| 72.1k| memset(attr_start + 4 + alen, 0, paddinglen); 1695| | 1696| | return true; 1697| 72.1k|} stun_attr_add_addr_str: 1699| 6.68k|bool stun_attr_add_addr_str(uint8_t *buf, size_t *len, uint16_t attr_type, const ioa_addr *ca) { 1700| | 1701| 6.68k| stun_tid tid; 1702| 6.68k| stun_tid_from_message_str(buf, *len, &tid); 1703| | 1704| 6.68k| int xor_ed = 0; 1705| 6.68k| switch (attr_type) { 1706| 2.22k| case STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS: ------------------ | | 105| 2.22k|#define STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS (0x0020) ------------------ | Branch (1706:3): [True: 2.22k, False: 4.45k] ------------------ 1707| 3.34k| case STUN_ATTRIBUTE_XOR_PEER_ADDRESS: ------------------ | | 116| 3.34k|#define STUN_ATTRIBUTE_XOR_PEER_ADDRESS (0x0012) ------------------ | Branch (1707:3): [True: 1.11k, False: 5.57k] ------------------ 1708| 5.57k| case STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS: ------------------ | | 118| 5.57k|#define STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS (0x0016) ------------------ | Branch (1708:3): [True: 2.22k, False: 4.45k] ------------------ 1709| 5.57k| xor_ed = 1; 1710| 5.57k| break; 1711| 1.11k| default:; ------------------ | Branch (1711:3): [True: 1.11k, False: 5.57k] ------------------ 1712| 6.68k| }; 1713| | 1714| 6.68k| ioa_addr public_addr; 1715| 6.68k| map_addr_from_private_to_public(ca, &public_addr); 1716| | 1717| 6.68k| uint8_t cfield[64]; 1718| 6.68k| int clen = 0; 1719| 6.68k| if (stun_addr_encode(&public_addr, cfield, &clen, xor_ed, STUN_MAGIC_COOKIE, tid.tsx_id) < 0) { ------------------ | | 56| 6.68k|#define STUN_MAGIC_COOKIE (0x2112A442) ------------------ | Branch (1719:7): [True: 0, False: 6.68k] ------------------ 1720| 0| return false; 1721| 0| } 1722| | 1723| 6.68k| if (!stun_attr_add_str(buf, len, attr_type, (uint8_t *)(&cfield), clen)) { ------------------ | Branch (1723:7): [True: 0, False: 6.68k] ------------------ 1724| 0| return false; 1725| 0| } 1726| | 1727| 6.68k| return true; 1728| 6.68k|} stun_attr_get_addr_str: 1731| 9.61k| const ioa_addr *default_addr) { 1732| 9.61k| stun_tid tid; 1733| 9.61k| stun_tid_from_message_str(buf, len, &tid); 1734| 9.61k| ioa_addr public_addr; 1735| | 1736| 9.61k| addr_set_any(ca); 1737| 9.61k| addr_set_any(&public_addr); 1738| | 1739| 9.61k| const int attr_type = stun_attr_get_type(attr); 1740| 9.61k| if (attr_type < 0) { ------------------ | Branch (1740:7): [True: 0, False: 9.61k] ------------------ 1741| 0| return false; 1742| 0| } 1743| | 1744| 9.61k| int xor_ed = 0; 1745| 9.61k| switch (attr_type) { 1746| 1.83k| case STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS: ------------------ | | 105| 1.83k|#define STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS (0x0020) ------------------ | Branch (1746:3): [True: 1.83k, False: 7.77k] ------------------ 1747| 3.48k| case STUN_ATTRIBUTE_XOR_PEER_ADDRESS: ------------------ | | 116| 3.48k|#define STUN_ATTRIBUTE_XOR_PEER_ADDRESS (0x0012) ------------------ | Branch (1747:3): [True: 1.64k, False: 7.96k] ------------------ 1748| 4.99k| case STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS: ------------------ | | 118| 4.99k|#define STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS (0x0016) ------------------ | Branch (1748:3): [True: 1.51k, False: 8.09k] ------------------ 1749| 4.99k| xor_ed = 1; 1750| 4.99k| break; 1751| 4.61k| default:; ------------------ | Branch (1751:3): [True: 4.61k, False: 4.99k] ------------------ 1752| 9.61k| }; 1753| | 1754| 9.61k| const uint8_t *cfield = stun_attr_get_value(attr); 1755| 9.61k| if (!cfield) { ------------------ | Branch (1755:7): [True: 6.06k, False: 3.55k] ------------------ 1756| 6.06k| return false; 1757| 6.06k| } 1758| | 1759| 3.55k| if (stun_addr_decode(&public_addr, cfield, stun_attr_get_len(attr), xor_ed, STUN_MAGIC_COOKIE, tid.tsx_id) < 0) { ------------------ | | 56| 3.55k|#define STUN_MAGIC_COOKIE (0x2112A442) ------------------ | Branch (1759:7): [True: 2.57k, False: 975] ------------------ 1760| 2.57k| return false; 1761| 2.57k| } 1762| | 1763| 975| map_addr_from_public_to_private(&public_addr, ca); 1764| | 1765| 975| if (default_addr && addr_any_no_port(ca) && !addr_any_no_port(default_addr)) { ------------------ | Branch (1765:7): [True: 0, False: 975] | Branch (1765:23): [True: 0, False: 0] | Branch (1765:47): [True: 0, False: 0] ------------------ 1766| 0| const uint16_t port = addr_get_port(ca); 1767| 0| addr_cpy(ca, default_addr); 1768| 0| addr_set_port(ca, port); 1769| 0| } 1770| | 1771| | return true; 1772| 3.55k|} stun_attr_get_first_addr_str: 1775| 9.04k| const ioa_addr *default_addr) { 1776| 9.04k| stun_attr_ref attr = stun_attr_get_first_str(buf, len); 1777| | 1778| 172k| while (attr) { ------------------ | Branch (1778:10): [True: 163k, False: 8.55k] ------------------ 1779| 163k| if (stun_attr_is_addr(attr) && (attr_type == stun_attr_get_type(attr))) { ------------------ | Branch (1779:9): [True: 85.2k, False: 78.5k] | Branch (1779:36): [True: 8.31k, False: 76.9k] ------------------ 1780| 8.31k| if (stun_attr_get_addr_str(buf, len, attr, ca, default_addr)) { ------------------ | Branch (1780:11): [True: 491, False: 7.82k] ------------------ 1781| 491| return true; 1782| 491| } 1783| 8.31k| } 1784| 163k| attr = stun_attr_get_next_str(buf, len, attr); 1785| 163k| } 1786| | 1787| 8.55k| return false; 1788| 9.04k|} stun_attr_add_channel_number_str: 1790| 1.11k|bool stun_attr_add_channel_number_str(uint8_t *buf, size_t *len, uint16_t chnumber) { 1791| | 1792| 1.11k| uint16_t field[2]; 1793| 1.11k| field[0] = nswap16(chnumber); ------------------ | | 86| 1.11k|#define nswap16(s) ntohs(s) ------------------ 1794| 1.11k| field[1] = 0; 1795| | 1796| 1.11k| return stun_attr_add_str(buf, len, STUN_ATTRIBUTE_CHANNEL_NUMBER, (uint8_t *)(field), sizeof(field)); ------------------ | | 113| 1.11k|#define STUN_ATTRIBUTE_CHANNEL_NUMBER (0x000C) ------------------ 1797| 1.11k|} stun_attr_add_bandwidth_str: 1799| 1.11k|bool stun_attr_add_bandwidth_str(uint8_t *buf, size_t *len, band_limit_t bps0) { 1800| | 1801| 1.11k| const uint32_t bps = (uint32_t)(band_limit_t)(bps0 >> 7); 1802| | 1803| 1.11k| uint32_t field = nswap32(bps); ------------------ | | 87| 1.11k|#define nswap32(ul) ntohl(ul) ------------------ 1804| | 1805| 1.11k| return stun_attr_add_str(buf, len, STUN_ATTRIBUTE_NEW_BANDWIDTH, (uint8_t *)(&field), sizeof(field)); ------------------ | | 52| 1.11k|#define STUN_ATTRIBUTE_NEW_BANDWIDTH (0x8000 + STUN_ATTRIBUTE_BANDWIDTH) | | ------------------ | | | | 115| 1.11k|#define STUN_ATTRIBUTE_BANDWIDTH (0x0010) | | ------------------ ------------------ 1806| 1.11k|} stun_attr_add_address_error_code: 1808| 1.11k|bool stun_attr_add_address_error_code(uint8_t *buf, size_t *len, int requested_address_family, int error_code) { 1809| 1.11k| const uint8_t *reason = get_default_reason(error_code); 1810| | 1811| 1.11k| uint8_t avalue[513] = {0}; 1812| 1.11k| avalue[0] = (uint8_t)requested_address_family; 1813| 1.11k| avalue[1] = 0; 1814| 1.11k| avalue[2] = (uint8_t)(error_code / 100); 1815| 1.11k| avalue[3] = (uint8_t)(error_code % 100); 1816| 1.11k| strncpy((char *)(avalue + 4), (const char *)reason, sizeof(avalue) - 4); 1817| 1.11k| avalue[sizeof(avalue) - 1] = 0; 1818| | 1819| | /* RFC 8489 Section 14: the declared length excludes padding. */ 1820| 1.11k| const int alen = 4 + (int)strlen((const char *)(avalue + 4)); 1821| | 1822| 1.11k| return stun_attr_add_str(buf, len, STUN_ATTRIBUTE_ADDRESS_ERROR_CODE, (uint8_t *)avalue, alen); ------------------ | | 141| 1.11k|#define STUN_ATTRIBUTE_ADDRESS_ERROR_CODE (0x8001) ------------------ 1823| 1.11k|} stun_attr_get_first_channel_number_str: 1825| 1.13k|uint16_t stun_attr_get_first_channel_number_str(const uint8_t *buf, size_t len) { 1826| | 1827| 1.13k| stun_attr_ref attr = stun_attr_get_first_str(buf, len); 1828| 22.5k| while (attr) { ------------------ | Branch (1828:10): [True: 21.4k, False: 1.10k] ------------------ 1829| 21.4k| if (stun_attr_get_type(attr) == STUN_ATTRIBUTE_CHANNEL_NUMBER) { ------------------ | | 113| 21.4k|#define STUN_ATTRIBUTE_CHANNEL_NUMBER (0x000C) ------------------ | Branch (1829:9): [True: 2.71k, False: 18.7k] ------------------ 1830| 2.71k| const uint16_t ret = stun_attr_get_channel_number(attr); 1831| 2.71k| if (STUN_VALID_CHANNEL(ret)) { ------------------ | | 159| 2.71k|#define STUN_VALID_CHANNEL(chn) ((chn) >= 0x4000 && (chn) <= 0x7FFF) | | ------------------ | | | Branch (159:34): [True: 25, False: 2.68k] | | | Branch (159:53): [True: 25, False: 0] | | ------------------ ------------------ 1832| 25| return ret; 1833| 25| } 1834| 2.71k| } 1835| 21.4k| attr = stun_attr_get_next_str(buf, len, attr); 1836| 21.4k| } 1837| | 1838| 1.10k| return 0; 1839| 1.13k|} stun_attr_add_fingerprint_str: 1843| 1.11k|bool stun_attr_add_fingerprint_str(uint8_t *buf, size_t *len) { 1844| 1.11k| uint32_t crc32 = 0; 1845| 1.11k| if (!stun_attr_add_str(buf, len, STUN_ATTRIBUTE_FINGERPRINT, (uint8_t *)&crc32, 4)) { ------------------ | | 111| 1.11k|#define STUN_ATTRIBUTE_FINGERPRINT (0x8028) ------------------ | Branch (1845:7): [True: 0, False: 1.11k] ------------------ 1846| 0| return false; 1847| 0| } 1848| 1.11k| crc32 = ns_crc32(buf, (int)*len - 8); 1849| 1.11k| turn_write_u32(buf + *len - 4, crc32 ^ ((uint32_t)FINGERPRINT_XOR)); ------------------ | | 53| 1.11k|#define FINGERPRINT_XOR 0x5354554e ------------------ 1850| | return true; 1851| 1.11k|} get_hmackey_size: 1944| 5.29k|size_t get_hmackey_size(SHATYPE shatype) { 1945| 5.29k| if (shatype == SHATYPE_SHA256) { ------------------ | Branch (1945:7): [True: 1.92k, False: 3.36k] ------------------ 1946| 1.92k| return 32; 1947| 1.92k| } 1948| 3.36k| if (shatype == SHATYPE_SHA384) { ------------------ | Branch (1948:7): [True: 692, False: 2.67k] ------------------ 1949| 692| return 48; 1950| 692| } 1951| 2.67k| if (shatype == SHATYPE_SHA512) { ------------------ | Branch (1951:7): [True: 985, False: 1.68k] ------------------ 1952| 985| return 64; 1953| 985| } 1954| 1.68k| return 16; 1955| 2.67k|} stun_attr_add_integrity_str: 1966| 6.90k| SHATYPE shatype) { 1967| 6.90k| uint8_t hmac[MAXSHASIZE] = {0}; 1968| | 1969| 6.90k| unsigned int shasize; 1970| | 1971| 6.90k| switch (shatype) { 1972| 2.53k| case SHATYPE_SHA256: ------------------ | Branch (1972:3): [True: 2.53k, False: 4.37k] ------------------ 1973| 2.53k| shasize = SHA256SIZEBYTES; ------------------ | | 180| 2.53k|#define SHA256SIZEBYTES (32) ------------------ 1974| 2.53k| break; 1975| 916| case SHATYPE_SHA384: ------------------ | Branch (1975:3): [True: 916, False: 5.99k] ------------------ 1976| 916| shasize = SHA384SIZEBYTES; ------------------ | | 181| 916|#define SHA384SIZEBYTES (48) ------------------ 1977| 916| break; 1978| 1.30k| case SHATYPE_SHA512: ------------------ | Branch (1978:3): [True: 1.30k, False: 5.60k] ------------------ 1979| 1.30k| shasize = SHA512SIZEBYTES; ------------------ | | 182| 1.30k|#define SHA512SIZEBYTES (64) ------------------ 1980| 1.30k| break; 1981| 2.15k| default: ------------------ | Branch (1981:3): [True: 2.15k, False: 4.75k] ------------------ 1982| 2.15k| shasize = SHA1SIZEBYTES; ------------------ | | 179| 2.15k|#define SHA1SIZEBYTES (20) ------------------ 1983| 6.90k| }; 1984| | 1985| 6.90k| if (!stun_attr_add_str(buf, len, STUN_ATTRIBUTE_MESSAGE_INTEGRITY, hmac, shasize)) { ------------------ | | 98| 6.90k|#define STUN_ATTRIBUTE_MESSAGE_INTEGRITY (0x0008) ------------------ | Branch (1985:7): [True: 0, False: 6.90k] ------------------ 1986| 0| return false; 1987| 0| } 1988| | 1989| 6.90k| if (ct == TURN_CREDENTIALS_SHORT_TERM) { ------------------ | Branch (1989:7): [True: 1.72k, False: 5.18k] ------------------ 1990| 1.72k| return stun_calculate_hmac(buf, *len - 4 - shasize, pwd, strlen((char *)pwd), buf + *len - shasize, &shasize, 1991| 1.72k| shatype); 1992| 5.18k| } else { 1993| 5.18k| return stun_calculate_hmac(buf, *len - 4 - shasize, key, get_hmackey_size(shatype), buf + *len - shasize, &shasize, 1994| 5.18k| shatype); 1995| 5.18k| } 1996| 6.90k|} stun_attr_add_integrity_by_key_str: 1999| 3.45k| hmackey_t key, const uint8_t *nonce, SHATYPE shatype) { 2000| 3.45k| if (!stun_attr_add_str(buf, len, STUN_ATTRIBUTE_USERNAME, uname, (int)strlen((const char *)uname))) { ------------------ | | 96| 3.45k|#define STUN_ATTRIBUTE_USERNAME (0x0006) ------------------ | Branch (2000:7): [True: 0, False: 3.45k] ------------------ 2001| 0| return false; 2002| 0| } 2003| | 2004| 3.45k| if (!stun_attr_add_str(buf, len, STUN_ATTRIBUTE_NONCE, nonce, (int)strlen((const char *)nonce))) { ------------------ | | 103| 3.45k|#define STUN_ATTRIBUTE_NONCE (0x0015) ------------------ | Branch (2004:7): [True: 0, False: 3.45k] ------------------ 2005| 0| return false; 2006| 0| } 2007| | 2008| 3.45k| if (!stun_attr_add_str(buf, len, STUN_ATTRIBUTE_REALM, realm, (int)strlen((const char *)realm))) { ------------------ | | 102| 3.45k|#define STUN_ATTRIBUTE_REALM (0x0014) ------------------ | Branch (2008:7): [True: 0, False: 3.45k] ------------------ 2009| 0| return false; 2010| 0| } 2011| | 2012| 3.45k| password_t p; 2013| 3.45k| return stun_attr_add_integrity_str(TURN_CREDENTIALS_LONG_TERM, buf, len, key, p, shatype); 2014| 3.45k|} stun_attr_add_integrity_by_user_str: 2017| 1.72k| const uint8_t *upwd, const uint8_t *nonce, SHATYPE shatype) { 2018| 1.72k| hmackey_t key; 2019| | 2020| 1.72k| if (!stun_produce_integrity_key_str(uname, realm, upwd, key, shatype)) { ------------------ | Branch (2020:7): [True: 0, False: 1.72k] ------------------ 2021| 0| return false; 2022| 0| } 2023| | 2024| 1.72k| return stun_attr_add_integrity_by_key_str(buf, len, uname, realm, key, nonce, shatype); 2025| 1.72k|} stun_attr_add_integrity_by_user_short_term_str: 2028| 1.72k| SHATYPE shatype) { 2029| 1.72k| if (stun_attr_add_str(buf, len, STUN_ATTRIBUTE_USERNAME, uname, (int)strlen((const char *)uname))) { ------------------ | | 96| 1.72k|#define STUN_ATTRIBUTE_USERNAME (0x0006) ------------------ | Branch (2029:7): [True: 1.72k, False: 0] ------------------ 2030| 1.72k| return false; 2031| 1.72k| } 2032| | 2033| 0| hmackey_t key; 2034| 0| return stun_attr_add_integrity_str(TURN_CREDENTIALS_SHORT_TERM, buf, len, key, pwd, shatype); 2035| 1.72k|} stun_check_message_integrity_by_key_str: 2041| 15.6k| password_t pwd, SHATYPE shatype) { 2042| 15.6k| stun_attr_ref sar = stun_attr_get_first_by_type_str(buf, len, STUN_ATTRIBUTE_MESSAGE_INTEGRITY); ------------------ | | 98| 15.6k|#define STUN_ATTRIBUTE_MESSAGE_INTEGRITY (0x0008) ------------------ 2043| 15.6k| if (!sar) { ------------------ | Branch (2043:7): [True: 14.1k, False: 1.44k] ------------------ 2044| 14.1k| return -1; 2045| 14.1k| } 2046| | 2047| 1.44k| unsigned int shasize = 0; 2048| 1.44k| switch (stun_attr_get_len(sar)) { 2049| 150| case SHA256SIZEBYTES: ------------------ | | 180| 150|#define SHA256SIZEBYTES (32) ------------------ | Branch (2049:3): [True: 150, False: 1.29k] ------------------ 2050| 150| shasize = SHA256SIZEBYTES; ------------------ | | 180| 150|#define SHA256SIZEBYTES (32) ------------------ 2051| 150| if (shatype != SHATYPE_SHA256) { ------------------ | Branch (2051:9): [True: 105, False: 45] ------------------ 2052| 105| return -1; 2053| 105| } 2054| 45| break; 2055| 50| case SHA384SIZEBYTES: ------------------ | | 181| 50|#define SHA384SIZEBYTES (48) ------------------ | Branch (2055:3): [True: 50, False: 1.39k] ------------------ 2056| 50| shasize = SHA384SIZEBYTES; ------------------ | | 181| 50|#define SHA384SIZEBYTES (48) ------------------ 2057| 50| if (shatype != SHATYPE_SHA384) { ------------------ | Branch (2057:9): [True: 40, False: 10] ------------------ 2058| 40| return -1; 2059| 40| } 2060| 10| break; 2061| 40| case SHA512SIZEBYTES: ------------------ | | 182| 40|#define SHA512SIZEBYTES (64) ------------------ | Branch (2061:3): [True: 40, False: 1.40k] ------------------ 2062| 40| shasize = SHA512SIZEBYTES; ------------------ | | 182| 40|#define SHA512SIZEBYTES (64) ------------------ 2063| 40| if (shatype != SHATYPE_SHA512) { ------------------ | Branch (2063:9): [True: 32, False: 8] ------------------ 2064| 32| return -1; 2065| 32| } 2066| 8| break; 2067| 730| case SHA1SIZEBYTES: ------------------ | | 179| 730|#define SHA1SIZEBYTES (20) ------------------ | Branch (2067:3): [True: 730, False: 710] ------------------ 2068| 730| shasize = SHA1SIZEBYTES; ------------------ | | 179| 730|#define SHA1SIZEBYTES (20) ------------------ 2069| 730| if (shatype != SHATYPE_SHA1) { ------------------ | Branch (2069:9): [True: 511, False: 219] ------------------ 2070| 511| return -1; 2071| 511| } 2072| 219| break; 2073| 470| default: ------------------ | Branch (2073:3): [True: 470, False: 970] ------------------ 2074| 470| return -1; 2075| 1.44k| }; 2076| | 2077| 282| const int orig_len = stun_get_command_message_len_str(buf, len); 2078| 282| if (orig_len < 0) { ------------------ | Branch (2078:7): [True: 0, False: 282] ------------------ 2079| 0| return -1; 2080| 0| } 2081| | 2082| 282| const int new_len = (int)((const uint8_t *)sar - buf) + 4 + shasize; 2083| 282| if (new_len > orig_len) { ------------------ | Branch (2083:7): [True: 0, False: 282] ------------------ 2084| 0| return -1; 2085| 0| } 2086| | 2087| 282| if (!stun_set_command_message_len_str(buf, new_len)) { ------------------ | Branch (2087:7): [True: 0, False: 282] ------------------ 2088| 0| return -1; 2089| 0| } 2090| | 2091| 282| int res = 0; 2092| 282| uint8_t new_hmac[MAXSHASIZE] = {0}; 2093| 282| if (ct == TURN_CREDENTIALS_SHORT_TERM) { ------------------ | Branch (2093:7): [True: 170, False: 112] ------------------ 2094| 170| if (!stun_calculate_hmac(buf, (size_t)new_len - 4 - shasize, pwd, strlen((char *)pwd), new_hmac, &shasize, ------------------ | Branch (2094:9): [True: 0, False: 170] ------------------ 2095| 170| shatype)) { 2096| 0| res = -1; 2097| 170| } else { 2098| 170| res = 0; 2099| 170| } 2100| 170| } else { 2101| 112| if (!stun_calculate_hmac(buf, (size_t)new_len - 4 - shasize, key, get_hmackey_size(shatype), new_hmac, &shasize, ------------------ | Branch (2101:9): [True: 0, False: 112] ------------------ 2102| 112| shatype)) { 2103| 0| res = -1; 2104| 112| } else { 2105| 112| res = 0; 2106| 112| } 2107| 112| } 2108| | 2109| 282| stun_set_command_message_len_str(buf, orig_len); 2110| 282| if (res < 0) { ------------------ | Branch (2110:7): [True: 0, False: 282] ------------------ 2111| 0| return -1; 2112| 0| } 2113| | 2114| 282| const uint8_t *old_hmac = stun_attr_get_value(sar); 2115| 282| if (!old_hmac) { ------------------ | Branch (2115:7): [True: 0, False: 282] ------------------ 2116| 0| return -1; 2117| 0| } 2118| | 2119| | /* Use constant-time comparison: a short-circuiting memcmp leaks the matching prefix 2120| | length via response timing, allowing byte-by-byte HMAC recovery. */ 2121| 282| if (0 != CRYPTO_memcmp(old_hmac, new_hmac, shasize)) { ------------------ | Branch (2121:7): [True: 280, False: 2] ------------------ 2122| 280| return 0; 2123| 280| } 2124| | 2125| 2| return +1; 2126| 282|} stun_check_message_integrity_str: 2132| 15.6k| const uint8_t *realm, const uint8_t *upwd, SHATYPE shatype) { 2133| 15.6k| hmackey_t key; 2134| 15.6k| password_t pwd; 2135| | 2136| 15.6k| if (ct == TURN_CREDENTIALS_SHORT_TERM) { ------------------ | Branch (2136:7): [True: 7.81k, False: 7.81k] ------------------ 2137| 7.81k| strncpy((char *)pwd, (const char *)upwd, sizeof(password_t) - 1); 2138| 7.81k| pwd[sizeof(password_t) - 1] = 0; 2139| 7.81k| } else if (!stun_produce_integrity_key_str(uname, realm, upwd, key, shatype)) { ------------------ | Branch (2139:14): [True: 0, False: 7.81k] ------------------ 2140| 0| return -1; 2141| 0| } 2142| | 2143| 15.6k| return stun_check_message_integrity_by_key_str(ct, buf, len, key, pwd, shatype); 2144| 15.6k|} stun_attr_get_change_request_str: 2148| 39|bool stun_attr_get_change_request_str(stun_attr_ref attr, bool *change_ip, bool *change_port) { 2149| 39| if (stun_attr_get_len(attr) == 4) { ------------------ | Branch (2149:7): [True: 10, False: 29] ------------------ 2150| 10| const uint8_t *value = stun_attr_get_value(attr); 2151| 10| if (value) { ------------------ | Branch (2151:9): [True: 10, False: 0] ------------------ 2152| 10| *change_ip = (value[3] & 0x04); 2153| 10| *change_port = (value[3] & 0x02); 2154| 10| return true; 2155| 10| } 2156| 10| } 2157| 29| return false; 2158| 39|} stun_attr_add_change_request_str: 2160| 1.11k|bool stun_attr_add_change_request_str(uint8_t *buf, size_t *len, bool change_ip, bool change_port) { 2161| 1.11k| uint8_t avalue[4] = {0, 0, 0, 0}; 2162| | 2163| 1.11k| if (change_ip) { ------------------ | Branch (2163:7): [True: 1.11k, False: 0] ------------------ 2164| 1.11k| if (change_port) { ------------------ | Branch (2164:9): [True: 1.11k, False: 0] ------------------ 2165| 1.11k| avalue[3] = 0x06; 2166| 1.11k| } else { 2167| 0| avalue[3] = 0x04; 2168| 0| } 2169| 1.11k| } else if (change_port) { ------------------ | Branch (2169:14): [True: 0, False: 0] ------------------ 2170| 0| avalue[3] = 0x02; 2171| 0| } 2172| | 2173| 1.11k| return stun_attr_add_str(buf, len, STUN_ATTRIBUTE_CHANGE_REQUEST, avalue, 4); ------------------ | | 93| 1.11k|#define STUN_ATTRIBUTE_CHANGE_REQUEST (0x0003) ------------------ 2174| 1.11k|} stun_attr_get_response_port_str: 2176| 35|int stun_attr_get_response_port_str(stun_attr_ref attr) { 2177| 35| if (stun_attr_get_len(attr) >= 2) { ------------------ | Branch (2177:7): [True: 30, False: 5] ------------------ 2178| 30| const uint8_t *value = stun_attr_get_value(attr); 2179| 30| if (value) { ------------------ | Branch (2179:9): [True: 30, False: 0] ------------------ 2180| 30| return turn_read_u16(value); 2181| 30| } 2182| 30| } 2183| 5| return -1; 2184| 35|} stun_attr_add_response_port_str: 2186| 1.11k|bool stun_attr_add_response_port_str(uint8_t *buf, size_t *len, uint16_t port) { 2187| 1.11k| uint8_t avalue[4] = {0, 0, 0, 0}; 2188| 1.11k| turn_write_u16(avalue, port); 2189| | 2190| 1.11k| return stun_attr_add_str(buf, len, STUN_ATTRIBUTE_RESPONSE_PORT, avalue, 4); ------------------ | | 131| 1.11k|#define STUN_ATTRIBUTE_RESPONSE_PORT (0x0027) ------------------ 2191| 1.11k|} stun_attr_get_padding_len_str: 2193| 35|int stun_attr_get_padding_len_str(stun_attr_ref attr) { 2194| 35| const int len = stun_attr_get_len(attr); 2195| 35| if (len < 0) { ------------------ | Branch (2195:7): [True: 0, False: 35] ------------------ 2196| 0| return -1; 2197| 0| } 2198| 35| return (uint16_t)len; 2199| 35|} stun_attr_add_padding_str: 2201| 1.11k|bool stun_attr_add_padding_str(uint8_t *buf, size_t *len, uint16_t padding_len) { 2202| 1.11k| uint8_t avalue[0xFFFF]; 2203| 1.11k| memset(avalue, 0, padding_len); 2204| | 2205| 1.11k| return stun_attr_add_str(buf, len, STUN_ATTRIBUTE_PADDING, avalue, padding_len); ------------------ | | 130| 1.11k|#define STUN_ATTRIBUTE_PADDING (0x0026) ------------------ 2206| 1.11k|} ns_turn_msg.c:fuzz_prng_next: 112| 56.9k|static uint64_t fuzz_prng_next(void) { 113| 56.9k| static uint64_t state = UINT64_C(0x9e3779b97f4a7c15); 114| | 115| 56.9k| state += UINT64_C(0x9e3779b97f4a7c15); 116| 56.9k| uint64_t z = state; 117| 56.9k| z = (z ^ (z >> 30)) * UINT64_C(0xbf58476d1ce4e5b9); 118| | z = (z ^ (z >> 27)) * UINT64_C(0x94d049bb133111eb); 119| 56.9k| return z ^ (z >> 31); 120| 56.9k|} ns_turn_msg.c:stun_init_error_response_common_str: 882| 10.3k| stun_tid *id, bool include_reason_string, bool pad_reason_phrase) { 883| | 884| 10.3k| if (include_reason_string && (!reason || !strcmp((const char *)reason, "Unknown error"))) { ------------------ | Branch (884:7): [True: 10.3k, False: 0] | Branch (884:33): [True: 0, False: 10.3k] | Branch (884:44): [True: 0, False: 10.3k] ------------------ 885| 0| reason = get_default_reason(error_code); 886| 0| } 887| | 888| 10.3k| uint8_t avalue[513]; 889| 10.3k| memset(avalue, 0, sizeof(avalue)); 890| 10.3k| avalue[0] = 0; 891| 10.3k| avalue[1] = 0; 892| 10.3k| avalue[2] = (uint8_t)(error_code / 100); 893| 10.3k| avalue[3] = (uint8_t)(error_code % 100); 894| 10.3k| if (include_reason_string) { ------------------ | Branch (894:7): [True: 10.3k, False: 0] ------------------ 895| 10.3k| strncpy((char *)(avalue + 4), (const char *)reason, sizeof(avalue) - 4); 896| 10.3k| } 897| 10.3k| avalue[sizeof(avalue) - 1] = 0; 898| 10.3k| int alen = 4 + (int)strlen((const char *)(avalue + 4)); 899| | 900| | /* RFC 3489 Section 11.2.9 requires a reason phrase length that is a multiple of 4; 901| | * RFC 8489 Section 14 requires the declared length to exclude padding. */ 902| 10.3k| if (pad_reason_phrase) { ------------------ | Branch (902:7): [True: 0, False: 10.3k] ------------------ 903| 0| const int rem = alen % 4; 904| 0| if (rem) { ------------------ | Branch (904:9): [True: 0, False: 0] ------------------ 905| 0| alen += (4 - rem); 906| 0| } 907| 0| } 908| | 909| 10.3k| stun_attr_add_str(buf, len, STUN_ATTRIBUTE_ERROR_CODE, (uint8_t *)avalue, alen); ------------------ | | 99| 10.3k|#define STUN_ATTRIBUTE_ERROR_CODE (0x0009) ------------------ 910| 10.3k| if (id) { ------------------ | Branch (910:7): [True: 10.3k, False: 0] ------------------ 911| 10.3k| stun_tid_message_cpy(buf, id); 912| 10.3k| } 913| 10.3k|} ns_turn_msg.c:stun_tid_from_string: 1424| 16.2k|static void stun_tid_from_string(const uint8_t *s, stun_tid *id) { 1425| 16.2k| if (s && id) { ------------------ | Branch (1425:7): [True: 16.2k, False: 0] | Branch (1425:12): [True: 16.2k, False: 0] ------------------ 1426| 16.2k| memcpy(id->tsx_id, s, STUN_TID_SIZE); ------------------ | | 53| 16.2k|#define STUN_TID_SIZE (12) ------------------ 1427| 16.2k| } 1428| 16.2k|} ns_turn_msg.c:stun_tid_string_cpy: 1418| 29.3k|static void stun_tid_string_cpy(uint8_t *s, const stun_tid *id) { 1419| 29.3k| if (s && id) { ------------------ | Branch (1419:7): [True: 29.3k, False: 0] | Branch (1419:12): [True: 29.3k, False: 0] ------------------ 1420| 29.3k| memcpy(s, id->tsx_id, STUN_TID_SIZE); ------------------ | | 53| 29.3k|#define STUN_TID_SIZE (12) ------------------ 1421| 29.3k| } 1422| 29.3k|} ns_turn_msg.c:turn_random_tid_size: 154| 18.9k|static void turn_random_tid_size(void *id) { 155| 18.9k| uint8_t *ar = (uint8_t *)id; 156| 18.9k|#if defined(FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION) 157| 18.9k| if (ar) { ------------------ | Branch (157:7): [True: 18.9k, False: 0] ------------------ 158| 75.9k| for (size_t i = 0; i < 3; ++i) { ------------------ | Branch (158:24): [True: 56.9k, False: 18.9k] ------------------ 159| 56.9k| const uint32_t r = (uint32_t)turn_random_number(); 160| 56.9k| memcpy(ar + i * sizeof(r), &r, sizeof(r)); 161| 56.9k| } 162| 18.9k| } 163| |#else 164| | if (!RAND_bytes((unsigned char *)ar, 12)) { 165| | for (size_t i = 0; i < 3; ++i) { 166| | const uint32_t r = (uint32_t)turn_random_number(); 167| | memcpy(ar + i * sizeof(r), &r, sizeof(r)); 168| | } 169| | } 170| |#endif 171| 18.9k|} ns_turn_msg.c:stun_attr_check_valid: 1610| 1.80M|static stun_attr_ref stun_attr_check_valid(stun_attr_ref attr, size_t remaining) { 1611| 1.80M| if (remaining >= 4) { ------------------ | Branch (1611:7): [True: 1.80M, False: 110] ------------------ 1612| | /* Read the size of the attribute */ 1613| 1.80M| size_t attrlen = stun_attr_get_len(attr); 1614| 1.80M| remaining -= 4; 1615| | 1616| | /* Round to boundary */ 1617| 1.80M| const uint16_t rem4 = ((uint16_t)attrlen) & 0x0003; 1618| 1.80M| if (rem4) { ------------------ | Branch (1618:9): [True: 404k, False: 1.40M] ------------------ 1619| 404k| attrlen = attrlen + 4 - (int)rem4; 1620| 404k| } 1621| | 1622| | /* Check that there's enough space remaining */ 1623| 1.80M| if (attrlen <= remaining) { ------------------ | Branch (1623:9): [True: 1.78M, False: 27.8k] ------------------ 1624| 1.78M| return attr; 1625| 1.78M| } 1626| 1.80M| } 1627| | 1628| 27.9k| return NULL; 1629| 1.80M|} ns_turn_msg.c:stun_set_command_message_len_str: 537| 72.6k|static bool stun_set_command_message_len_str(uint8_t *buf, int len) { 538| 72.6k| if (len < STUN_HEADER_LENGTH) { ------------------ | | 46| 72.6k|#define STUN_HEADER_LENGTH (20) ------------------ | Branch (538:7): [True: 0, False: 72.6k] ------------------ 539| 0| return false; 540| 0| } 541| 72.6k| turn_write_u16(buf + 2, (uint16_t)(len - STUN_HEADER_LENGTH)); ------------------ | | 46| 72.6k|#define STUN_HEADER_LENGTH (20) ------------------ 542| | return true; 543| 72.6k|} ns_turn_msg.c:ns_crc32: 1890| 1.50k|static uint32_t ns_crc32(const uint8_t *buffer, uint32_t len) { 1891| 1.50k| uint32_t crc = CRC_MASK; ------------------ | | 1854| 1.50k|#define CRC_MASK 0xFFFFFFFFUL ------------------ 1892| 1.16M| while (len--) { ------------------ | Branch (1892:10): [True: 1.15M, False: 1.50k] ------------------ 1893| 1.15M| UPDATE_CRC(crc, *buffer++); ------------------ | | 1856| 1.15M|#define UPDATE_CRC(crc, c) crc = crctable[(uint8_t)crc ^ (uint8_t)(c)] ^ (crc >> 8) ------------------ 1894| 1.15M| } 1895| 1.50k| return (~crc); 1896| 1.50k|} stun_addr_encode: 42| 6.68k|int stun_addr_encode(const ioa_addr *ca, uint8_t *cfield, int *clen, int xor_ed, uint32_t mc, const uint8_t *tsx_id) { 43| | 44| 6.68k| if (!cfield || !clen || !ca || !tsx_id) { ------------------ | Branch (44:7): [True: 0, False: 6.68k] | Branch (44:18): [True: 0, False: 6.68k] | Branch (44:27): [True: 0, False: 6.68k] | Branch (44:34): [True: 0, False: 6.68k] ------------------ 45| 0| return -1; 46| 0| } 47| | 48| 6.68k| if (ca->ss.sa_family == AF_INET || ca->ss.sa_family == 0) { ------------------ | Branch (48:7): [True: 4.45k, False: 2.22k] | Branch (48:38): [True: 0, False: 2.22k] ------------------ 49| | 50| | /* IPv4 address */ 51| | 52| 4.45k| *clen = 8; 53| | 54| 4.45k| cfield[0] = 0; 55| 4.45k| cfield[1] = 1; // IPv4 family 56| | 57| 4.45k| if (xor_ed) { ------------------ | Branch (57:9): [True: 3.34k, False: 1.11k] ------------------ 58| | 59| | /* Port */ 60| 3.34k| const uint16_t port = (ca->s4.sin_port) ^ nswap16(mc >> 16); ------------------ | | 86| 3.34k|#define nswap16(s) ntohs(s) ------------------ 61| 3.34k| memcpy(cfield + 2, &port, sizeof(port)); 62| | 63| | /* Address */ 64| 3.34k| const uint32_t addr = (ca->s4.sin_addr.s_addr) ^ nswap32(mc); ------------------ | | 87| 3.34k|#define nswap32(ul) ntohl(ul) ------------------ 65| 3.34k| memcpy(cfield + 4, &addr, sizeof(addr)); 66| | 67| 3.34k| } else { 68| | 69| | /* Port */ 70| 1.11k| const uint16_t port = ca->s4.sin_port; 71| 1.11k| memcpy(cfield + 2, &port, sizeof(port)); 72| | 73| | /* Address */ 74| 1.11k| const uint32_t addr = ca->s4.sin_addr.s_addr; 75| 1.11k| memcpy(cfield + 4, &addr, sizeof(addr)); 76| 1.11k| } 77| | 78| 4.45k| } else if (ca->ss.sa_family == AF_INET6) { ------------------ | Branch (78:14): [True: 2.22k, False: 0] ------------------ 79| | 80| | /* IPv6 address */ 81| | 82| 2.22k| *clen = 20; 83| | 84| 2.22k| cfield[0] = 0; 85| 2.22k| cfield[1] = 2; // IPv6 family 86| | 87| 2.22k| if (xor_ed) { ------------------ | Branch (87:9): [True: 2.22k, False: 0] ------------------ 88| | 89| 2.22k| unsigned int i; 90| 2.22k| uint8_t *dst = ((uint8_t *)cfield) + 4; 91| 2.22k| const uint8_t *src = (const uint8_t *)&(ca->s6.sin6_addr); 92| 2.22k| uint32_t magic = nswap32(mc); ------------------ | | 87| 2.22k|#define nswap32(ul) ntohl(ul) ------------------ 93| | 94| | /* Port */ 95| 2.22k| const uint16_t port = ca->s6.sin6_port ^ nswap16(mc >> 16); ------------------ | | 86| 2.22k|#define nswap16(s) ntohs(s) ------------------ 96| 2.22k| memcpy(cfield + 2, &port, sizeof(port)); 97| | 98| | /* Address */ 99| | 100| 11.1k| for (i = 0; i < 4; ++i) { ------------------ | Branch (100:19): [True: 8.91k, False: 2.22k] ------------------ 101| 8.91k| dst[i] = (uint8_t)(src[i] ^ ((const uint8_t *)&magic)[i]); 102| 8.91k| } 103| 28.9k| for (i = 0; i < 12; ++i) { ------------------ | Branch (103:19): [True: 26.7k, False: 2.22k] ------------------ 104| 26.7k| dst[i + 4] = (uint8_t)(src[i + 4] ^ tsx_id[i]); 105| 26.7k| } 106| | 107| 2.22k| } else { 108| | 109| | /* Port */ 110| 0| const uint16_t port = ca->s6.sin6_port; 111| 0| memcpy(cfield + 2, &port, sizeof(port)); 112| | 113| | /* Address */ 114| 0| memcpy(((uint8_t *)cfield) + 4, &ca->s6.sin6_addr, 16); 115| 0| } 116| | 117| 2.22k| } else { 118| 0| return -1; 119| 0| } 120| | 121| 6.68k| return 0; 122| 6.68k|} stun_addr_decode: 124| 3.55k|int stun_addr_decode(ioa_addr *ca, const uint8_t *cfield, int len, int xor_ed, uint32_t mc, const uint8_t *tsx_id) { 125| | 126| 3.55k| if (!cfield || !len || !ca || !tsx_id || (len < 8)) { ------------------ | Branch (126:7): [True: 0, False: 3.55k] | Branch (126:18): [True: 0, False: 3.55k] | Branch (126:26): [True: 0, False: 3.55k] | Branch (126:33): [True: 0, False: 3.55k] | Branch (126:44): [True: 1.13k, False: 2.42k] ------------------ 127| 1.13k| return -1; 128| 1.13k| } 129| | 130| 2.42k| if (cfield[0] != 0) { ------------------ | Branch (130:7): [True: 392, False: 2.02k] ------------------ 131| 392| return -1; 132| 392| } 133| | 134| 2.02k| int sa_family; 135| | 136| 2.02k| if (cfield[1] == 1) { ------------------ | Branch (136:7): [True: 1.08k, False: 946] ------------------ 137| 1.08k| sa_family = AF_INET; 138| 1.08k| } else if (cfield[1] == 2) { ------------------ | Branch (138:14): [True: 514, False: 432] ------------------ 139| 514| sa_family = AF_INET6; 140| 514| } else { 141| 432| return -1; 142| 432| } 143| | 144| 1.59k| ca->ss.sa_family = sa_family; 145| | 146| 1.59k| if (sa_family == AF_INET) { ------------------ | Branch (146:7): [True: 1.08k, False: 514] ------------------ 147| | 148| 1.08k| if (len != 8) { ------------------ | Branch (148:9): [True: 358, False: 724] ------------------ 149| 358| return -1; 150| 358| } 151| | 152| | /* IPv4 address */ 153| | 154| | /* Port */ 155| 724| memcpy(&ca->s4.sin_port, cfield + 2, sizeof(ca->s4.sin_port)); 156| | 157| | /* Address */ 158| 724| memcpy(&ca->s4.sin_addr.s_addr, cfield + 4, sizeof(ca->s4.sin_addr.s_addr)); 159| | 160| 724| if (xor_ed) { ------------------ | Branch (160:9): [True: 239, False: 485] ------------------ 161| 239| ca->s4.sin_port ^= nswap16(mc >> 16); ------------------ | | 86| 239|#define nswap16(s) ntohs(s) ------------------ 162| 239| ca->s4.sin_addr.s_addr ^= nswap32(mc); ------------------ | | 87| 239|#define nswap32(ul) ntohl(ul) ------------------ 163| 239| } 164| | 165| 724| } else if (sa_family == AF_INET6) { ------------------ | Branch (165:14): [True: 514, False: 0] ------------------ 166| | 167| | /* IPv6 address */ 168| | 169| 514| if (len != 20) { ------------------ | Branch (169:9): [True: 263, False: 251] ------------------ 170| 263| return -1; 171| 263| } 172| | 173| | /* Port */ 174| 251| memcpy(&ca->s6.sin6_port, cfield + 2, sizeof(ca->s6.sin6_port)); 175| | 176| | /* Address */ 177| 251| memcpy(&ca->s6.sin6_addr, ((const uint8_t *)cfield) + 4, 16); 178| | 179| 251| if (xor_ed) { ------------------ | Branch (179:9): [True: 126, False: 125] ------------------ 180| | 181| 126| unsigned int i; 182| 126| uint8_t *dst; 183| 126| const uint8_t *src; 184| 126| uint32_t magic = nswap32(mc); ------------------ | | 87| 126|#define nswap32(ul) ntohl(ul) ------------------ 185| | 186| | /* Port */ 187| 126| ca->s6.sin6_port ^= nswap16(mc >> 16); ------------------ | | 86| 126|#define nswap16(s) ntohs(s) ------------------ 188| | 189| | /* Address */ 190| 126| src = ((const uint8_t *)cfield) + 4; 191| 126| dst = (uint8_t *)&ca->s6.sin6_addr; 192| 630| for (i = 0; i < 4; ++i) { ------------------ | Branch (192:19): [True: 504, False: 126] ------------------ 193| 504| dst[i] = (uint8_t)(src[i] ^ ((const uint8_t *)&magic)[i]); 194| 504| } 195| 1.63k| for (i = 0; i < 12; ++i) { ------------------ | Branch (195:19): [True: 1.51k, False: 126] ------------------ 196| 1.51k| dst[i + 4] = (uint8_t)(src[i + 4] ^ tsx_id[i]); 197| 1.51k| } 198| 126| } 199| | 200| 251| } else { 201| 0| return -1; 202| 0| } 203| | 204| 975| return 0; 205| 1.59k|} ns_turn_msg.c:turn_read_u16: 127| 7.69M|static inline uint16_t turn_read_u16(const void *field) { 128| 7.69M| uint16_t v; 129| 7.69M| memcpy(&v, field, sizeof(v)); 130| | return nswap16(v); ------------------ | | 86| 7.69M|#define nswap16(s) ntohs(s) ------------------ 131| 7.69M|} ns_turn_msg.c:turn_read_u32: 133| 14.6k|static inline uint32_t turn_read_u32(const void *field) { 134| 14.6k| uint32_t v; 135| 14.6k| memcpy(&v, field, sizeof(v)); 136| | return nswap32(v); ------------------ | | 87| 14.6k|#define nswap32(ul) ntohl(ul) ------------------ 137| 14.6k|} ns_turn_msg.c:turn_write_u16: 145| 256k|static inline void turn_write_u16(void *field, uint16_t v) { 146| | const uint16_t raw = nswap16(v); ------------------ | | 86| 256k|#define nswap16(s) ntohs(s) ------------------ 147| 256k| memcpy(field, &raw, sizeof(raw)); 148| 256k|} ns_turn_msg.c:turn_write_u32: 150| 20.1k|static inline void turn_write_u32(void *field, uint32_t v) { 151| | const uint32_t raw = nswap32(v); ------------------ | | 87| 20.1k|#define nswap32(ul) ntohl(ul) ------------------ 152| 20.1k| memcpy(field, &raw, sizeof(raw)); 153| 20.1k|} ns_turn_msg.c:_ioa_ntoh64: 90| 1|static inline uint64_t _ioa_ntoh64(uint64_t v) { 91| 1|#if BYTE_ORDER == LITTLE_ENDIAN 92| 1| uint8_t *src = (uint8_t *)&v; 93| 1| uint8_t *dst = src + 7; 94| 5| while (src < dst) { ------------------ | Branch (94:10): [True: 4, False: 1] ------------------ 95| 4| uint8_t vdst = *dst; 96| 4| *(dst--) = *src; 97| 4| *(src++) = vdst; 98| 4| } 99| |#elif BYTE_ORDER == BIG_ENDIAN 100| | /* OK */ 101| |#else 102| |#error WRONG BYTE_ORDER SETTING 103| |#endif 104| 1| return v; 105| 1|} ns_turn_msg.c:turn_read_u64: 139| 1|static inline uint64_t turn_read_u64(const void *field) { 140| 1| uint64_t v; 141| 1| memcpy(&v, field, sizeof(v)); 142| 1| return nswap64(v); ------------------ | | 88| 1|#define nswap64(ull) ioa_ntoh64(ull) | | ------------------ | | | | 115| 1|#define ioa_ntoh64 _ioa_ntoh64 | | ------------------ ------------------ 143| 1|}