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| 1.75k|extern int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { 599| 1.75k| harness_integrity_sha1(Data, Size); 600| 1.75k| harness_integrity_multi(Data, Size); 601| 1.75k| harness_attr_iter(Data, Size); 602| 1.75k| harness_attr_add(Data, Size); 603| 1.75k| harness_old_stun(Data, Size); 604| 1.75k| harness_challenge_response_builder(Data, Size); 605| 1.75k| harness_full_addr_parser(Data, Size); 606| 1.75k| harness_integrity_attr_add(Data, Size); 607| 1.75k| return 0; 608| 1.75k|} FuzzStun.c:harness_integrity_sha1: 49| 1.75k|static void harness_integrity_sha1(const uint8_t *Data, size_t Size) { 50| 1.75k| if (Size < 10 || Size > 5120) { ------------------ | Branch (50:7): [True: 69, False: 1.68k] | Branch (50:20): [True: 109, False: 1.57k] ------------------ 51| 178| return; 52| 178| } 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| 1.75k|static void harness_integrity_multi(const uint8_t *Data, size_t Size) { 70| 1.75k| if (Size < STUN_HEADER_LENGTH || Size > 5120) { ------------------ | | 46| 3.51k|#define STUN_HEADER_LENGTH (20) ------------------ | Branch (70:7): [True: 80, False: 1.67k] | Branch (70:36): [True: 109, False: 1.56k] ------------------ 71| 189| return; 72| 189| } 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| 7.83k| for (size_t s = 0; s < num_sha; s++) { ------------------ | Branch (82:22): [True: 6.26k, False: 1.56k] ------------------ 83| 6.26k| memcpy(buf, Data, Size); 84| 6.26k| stun_is_command_message_full_check_str(buf, Size, true, NULL); 85| 6.26k| stun_check_message_integrity_str(TURN_CREDENTIALS_SHORT_TERM, buf, Size, uname, realm, upwd, sha_types[s]); 86| | 87| 6.26k| memcpy(buf, Data, Size); 88| 6.26k| stun_check_message_integrity_str(TURN_CREDENTIALS_LONG_TERM, buf, Size, uname, realm, upwd, sha_types[s]); 89| 6.26k| } 90| 1.56k|} FuzzStun.c:harness_attr_iter: 148| 1.75k|static void harness_attr_iter(const uint8_t *Data, size_t Size) { 149| 1.75k| if (Size < STUN_HEADER_LENGTH || Size > 8192) { ------------------ | | 46| 3.51k|#define STUN_HEADER_LENGTH (20) ------------------ | Branch (149:7): [True: 80, False: 1.67k] | Branch (149:36): [True: 78, False: 1.59k] ------------------ 150| 158| return; 151| 158| } 152| | 153| 1.59k| uint8_t buf[8192]; 154| 1.59k| memcpy(buf, Data, Size); 155| | 156| 1.59k| if (!stun_is_command_message_str(buf, Size)) { ------------------ | Branch (156:7): [True: 474, False: 1.12k] ------------------ 157| 474| return; 158| 474| } 159| | 160| 1.12k| stun_attr_ref sar = stun_attr_get_first_str(buf, Size); 161| 22.8k| while (sar) { ------------------ | Branch (161:10): [True: 21.7k, False: 1.12k] ------------------ 162| 21.7k| (void)stun_attr_get_type(sar); 163| 21.7k| (void)stun_attr_get_len(sar); 164| 21.7k| (void)stun_attr_get_value(sar); 165| 21.7k| (void)stun_attr_is_addr(sar); 166| 21.7k| sar = stun_attr_get_next_str(buf, Size, sar); 167| 21.7k| } 168| | 169| 1.12k| ioa_addr addr; 170| 1.12k| 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: 8.98k, False: 1.12k] ------------------ 172| 8.98k| sar = stun_attr_get_first_by_type_str(buf, Size, kAddrAttrs[i]); 173| 8.98k| if (sar) { ------------------ | Branch (173:9): [True: 1.24k, False: 7.74k] ------------------ 174| 1.24k| memset(&addr, 0, sizeof(addr)); 175| 1.24k| stun_attr_get_addr_str(buf, Size, sar, &addr, NULL); 176| 1.24k| } 177| 8.98k| memset(&addr, 0, sizeof(addr)); 178| 8.98k| stun_attr_get_first_addr_str(buf, Size, kAddrAttrs[i], &addr, NULL); 179| 8.98k| } 180| | 181| 1.12k| sar = stun_attr_get_first_by_type_str(buf, Size, STUN_ATTRIBUTE_CHANNEL_NUMBER); ------------------ | | 117| 1.12k|#define STUN_ATTRIBUTE_CHANNEL_NUMBER (0x000C) ------------------ 182| 1.12k| if (sar) { ------------------ | Branch (182:7): [True: 202, False: 921] ------------------ 183| 202| (void)stun_attr_get_channel_number(sar); 184| 202| } 185| 1.12k| (void)stun_attr_get_first_channel_number_str(buf, Size); 186| | 187| 1.12k| sar = stun_attr_get_first_by_type_str(buf, Size, STUN_ATTRIBUTE_REQUESTED_ADDRESS_FAMILY); ------------------ | | 108| 1.12k|#define STUN_ATTRIBUTE_REQUESTED_ADDRESS_FAMILY (0x0017) ------------------ 188| 1.12k| if (sar) { ------------------ | Branch (188:7): [True: 33, False: 1.09k] ------------------ 189| 33| (void)stun_get_requested_address_family(sar); 190| 33| } 191| | 192| 1.12k| sar = stun_attr_get_first_by_type_str(buf, Size, STUN_ATTRIBUTE_ADDITIONAL_ADDRESS_FAMILY); ------------------ | | 144| 1.12k|#define STUN_ATTRIBUTE_ADDITIONAL_ADDRESS_FAMILY (0x8000) ------------------ 193| 1.12k| if (sar) { ------------------ | Branch (193:7): [True: 80, False: 1.04k] ------------------ 194| 80| (void)stun_get_requested_address_family(sar); 195| 80| } 196| | 197| 1.12k| sar = stun_attr_get_first_by_type_str(buf, Size, STUN_ATTRIBUTE_EVEN_PORT); ------------------ | | 123| 1.12k|#define STUN_ATTRIBUTE_EVEN_PORT (0x0018) ------------------ 198| 1.12k| if (sar) { ------------------ | Branch (198:7): [True: 31, False: 1.09k] ------------------ 199| 31| (void)stun_attr_get_even_port(sar); 200| 31| } 201| | 202| 1.12k| sar = stun_attr_get_first_by_type_str(buf, Size, STUN_ATTRIBUTE_BANDWIDTH); ------------------ | | 119| 1.12k|#define STUN_ATTRIBUTE_BANDWIDTH (0x0010) ------------------ 203| 1.12k| if (sar) { ------------------ | Branch (203:7): [True: 50, False: 1.07k] ------------------ 204| 50| (void)stun_attr_get_bandwidth(sar); 205| 50| } 206| | 207| 1.12k| sar = stun_attr_get_first_by_type_str(buf, Size, STUN_ATTRIBUTE_NEW_BANDWIDTH); ------------------ | | 52| 1.12k|#define STUN_ATTRIBUTE_NEW_BANDWIDTH (0x8000 + STUN_ATTRIBUTE_BANDWIDTH) | | ------------------ | | | | 119| 1.12k|#define STUN_ATTRIBUTE_BANDWIDTH (0x0010) | | ------------------ ------------------ 208| 1.12k| if (sar) { ------------------ | Branch (208:7): [True: 14, False: 1.10k] ------------------ 209| 14| (void)stun_attr_get_bandwidth(sar); 210| 14| } 211| | 212| 1.12k| sar = stun_attr_get_first_by_type_str(buf, Size, STUN_ATTRIBUTE_RESERVATION_TOKEN); ------------------ | | 127| 1.12k|#define STUN_ATTRIBUTE_RESERVATION_TOKEN (0x0022) ------------------ 213| 1.12k| if (sar) { ------------------ | Branch (213:7): [True: 46, False: 1.07k] ------------------ 214| 46| (void)stun_attr_get_reservation_token_value(sar); 215| 46| } 216| | 217| 1.12k| sar = stun_attr_get_first_by_type_str(buf, Size, STUN_ATTRIBUTE_CHANGE_REQUEST); ------------------ | | 97| 1.12k|#define STUN_ATTRIBUTE_CHANGE_REQUEST (0x0003) ------------------ 218| 1.12k| if (sar) { ------------------ | Branch (218:7): [True: 52, False: 1.07k] ------------------ 219| 52| bool change_ip = false, change_port = false; 220| 52| stun_attr_get_change_request_str(sar, &change_ip, &change_port); 221| 52| } 222| | 223| 1.12k| sar = stun_attr_get_first_by_type_str(buf, Size, STUN_ATTRIBUTE_RESPONSE_PORT); ------------------ | | 135| 1.12k|#define STUN_ATTRIBUTE_RESPONSE_PORT (0x0027) ------------------ 224| 1.12k| if (sar) { ------------------ | Branch (224:7): [True: 44, False: 1.07k] ------------------ 225| 44| (void)stun_attr_get_response_port_str(sar); 226| 44| } 227| | 228| 1.12k| sar = stun_attr_get_first_by_type_str(buf, Size, STUN_ATTRIBUTE_PADDING); ------------------ | | 134| 1.12k|#define STUN_ATTRIBUTE_PADDING (0x0026) ------------------ 229| 1.12k| if (sar) { ------------------ | Branch (229:7): [True: 33, False: 1.09k] ------------------ 230| 33| (void)stun_attr_get_padding_len_str(sar); 231| 33| } 232| | 233| 1.12k| { 234| 1.12k| int err_code = 0; 235| 1.12k| uint8_t err_msg[1024] = {0}; 236| 1.12k| stun_is_error_response_str(buf, Size, &err_code, err_msg, sizeof(err_msg)); 237| 1.12k| } 238| 1.12k| { 239| 1.12k| int err_code = 0; 240| 1.12k| uint8_t err_msg[1024] = {0}; 241| 1.12k| uint8_t chal_realm[STUN_MAX_REALM_SIZE + 1] = {0}; 242| 1.12k| uint8_t chal_nonce[STUN_MAX_NONCE_SIZE + 1] = {0}; 243| 1.12k| uint8_t server_name[STUN_MAX_SERVER_NAME_SIZE + 1] = {0}; 244| 1.12k| bool oauth = false; 245| 1.12k| stun_is_challenge_response_str(buf, Size, &err_code, err_msg, sizeof(err_msg), chal_realm, chal_nonce, server_name, 246| 1.12k| &oauth); 247| 1.12k| } 248| | 249| 1.12k| const size_t num_all_attrs = sizeof(kAllAttrTypes) / sizeof(kAllAttrTypes[0]); 250| 50.5k| for (size_t i = 0; i < num_all_attrs; i++) { ------------------ | Branch (250:22): [True: 49.4k, False: 1.12k] ------------------ 251| 49.4k| sar = stun_attr_get_first_by_type_str(buf, Size, kAllAttrTypes[i]); 252| 49.4k| if (sar) { ------------------ | Branch (252:9): [True: 2.65k, False: 46.7k] ------------------ 253| 2.65k| (void)stun_attr_get_type(sar); 254| 2.65k| (void)stun_attr_get_len(sar); 255| 2.65k| (void)stun_attr_get_value(sar); 256| 2.65k| } 257| 49.4k| } 258| 1.12k|} FuzzStun.c:harness_attr_add: 263| 1.75k|static void harness_attr_add(const uint8_t *Data, size_t Size) { 264| 1.75k| if (Size < STUN_HEADER_LENGTH || Size > 4096) { ------------------ | | 46| 3.51k|#define STUN_HEADER_LENGTH (20) ------------------ | Branch (264:7): [True: 80, False: 1.67k] | Branch (264:36): [True: 144, False: 1.53k] ------------------ 265| 224| return; 266| 224| } 267| | 268| 1.53k| uint8_t buf[MAX_STUN_MESSAGE_SIZE] = {0}; 269| 1.53k| memcpy(buf, Data, Size); 270| 1.53k| size_t len = Size; 271| | 272| 1.53k| if (!stun_is_command_message_str(buf, len)) { ------------------ | Branch (272:7): [True: 432, False: 1.09k] ------------------ 273| 432| return; 274| 432| } 275| | 276| 1.09k| uint8_t test_uname[] = "fuzzuser@fuzz.realm"; 277| 1.09k| stun_attr_add_str(buf, &len, STUN_ATTRIBUTE_USERNAME, test_uname, (int)(sizeof(test_uname) - 1)); ------------------ | | 100| 1.09k|#define STUN_ATTRIBUTE_USERNAME (0x0006) ------------------ 278| | 279| 1.09k| uint8_t test_realm[] = "fuzz.realm"; 280| 1.09k| stun_attr_add_str(buf, &len, STUN_ATTRIBUTE_REALM, test_realm, (int)(sizeof(test_realm) - 1)); ------------------ | | 106| 1.09k|#define STUN_ATTRIBUTE_REALM (0x0014) ------------------ 281| | 282| 1.09k| uint8_t test_nonce[] = "fuzznonce0123456789abcdef"; 283| 1.09k| stun_attr_add_str(buf, &len, STUN_ATTRIBUTE_NONCE, test_nonce, (int)(sizeof(test_nonce) - 1)); ------------------ | | 107| 1.09k|#define STUN_ATTRIBUTE_NONCE (0x0015) ------------------ 284| | 285| 1.09k| uint8_t test_sw[] = "coturn-fuzz/1.0"; 286| 1.09k| stun_attr_add_str(buf, &len, STUN_ATTRIBUTE_SOFTWARE, test_sw, (int)(sizeof(test_sw) - 1)); ------------------ | | 112| 1.09k|#define STUN_ATTRIBUTE_SOFTWARE (0x8022) ------------------ 287| | 288| 1.09k| uint8_t lifetime_val[4] = {0x00, 0x00, 0x02, 0x58}; 289| 1.09k| stun_attr_add_str(buf, &len, STUN_ATTRIBUTE_LIFETIME, lifetime_val, 4); ------------------ | | 118| 1.09k|#define STUN_ATTRIBUTE_LIFETIME (0x000D) ------------------ 290| | 291| 1.09k| uint8_t transport_val[4] = {STUN_ATTRIBUTE_TRANSPORT_UDP_VALUE, 0x00, 0x00, 0x00}; ------------------ | | 176| 1.09k|#define STUN_ATTRIBUTE_TRANSPORT_UDP_VALUE (17) ------------------ 292| 1.09k| stun_attr_add_str(buf, &len, STUN_ATTRIBUTE_REQUESTED_TRANSPORT, transport_val, 4); ------------------ | | 124| 1.09k|#define STUN_ATTRIBUTE_REQUESTED_TRANSPORT (0x0019) ------------------ 293| | 294| 1.09k| uint8_t af_val[4] = {STUN_ATTRIBUTE_REQUESTED_ADDRESS_FAMILY_VALUE_IPV4, 0x00, 0x00, 0x00}; ------------------ | | 168| 1.09k|#define STUN_ATTRIBUTE_REQUESTED_ADDRESS_FAMILY_VALUE_IPV4 (0x01) ------------------ 295| 1.09k| stun_attr_add_str(buf, &len, STUN_ATTRIBUTE_REQUESTED_ADDRESS_FAMILY, af_val, 4); ------------------ | | 108| 1.09k|#define STUN_ATTRIBUTE_REQUESTED_ADDRESS_FAMILY (0x0017) ------------------ 296| | 297| 1.09k| uint8_t even_port_val[1] = {0x80}; 298| 1.09k| stun_attr_add_str(buf, &len, STUN_ATTRIBUTE_EVEN_PORT, even_port_val, 1); ------------------ | | 123| 1.09k|#define STUN_ATTRIBUTE_EVEN_PORT (0x0018) ------------------ 299| | 300| 1.09k| stun_attr_add_str(buf, &len, STUN_ATTRIBUTE_DONT_FRAGMENT, NULL, 0); ------------------ | | 125| 1.09k|#define STUN_ATTRIBUTE_DONT_FRAGMENT (0x001A) ------------------ 301| | 302| 1.09k| stun_attr_add_channel_number_str(buf, &len, 0x4001); 303| | 304| 1.09k| stun_attr_add_bandwidth_str(buf, &len, 1000000); 305| | 306| 1.09k| ioa_addr addr4 = {0}; 307| 1.09k| addr4.s4.sin_family = AF_INET; 308| 1.09k| addr4.s4.sin_port = htons(12345); 309| 1.09k| addr4.s4.sin_addr.s_addr = htonl(0xC0A80001); 310| 1.09k| stun_attr_add_addr_str(buf, &len, STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS, &addr4); ------------------ | | 109| 1.09k|#define STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS (0x0020) ------------------ 311| 1.09k| stun_attr_add_addr_str(buf, &len, STUN_ATTRIBUTE_XOR_PEER_ADDRESS, &addr4); ------------------ | | 120| 1.09k|#define STUN_ATTRIBUTE_XOR_PEER_ADDRESS (0x0012) ------------------ 312| 1.09k| stun_attr_add_addr_str(buf, &len, STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS, &addr4); ------------------ | | 122| 1.09k|#define STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS (0x0016) ------------------ 313| 1.09k| stun_attr_add_addr_str(buf, &len, STUN_ATTRIBUTE_MAPPED_ADDRESS, &addr4); ------------------ | | 95| 1.09k|#define STUN_ATTRIBUTE_MAPPED_ADDRESS (0x0001) ------------------ 314| | 315| 1.09k| ioa_addr addr6 = {0}; 316| 1.09k| addr6.s6.sin6_family = AF_INET6; 317| 1.09k| addr6.s6.sin6_port = htons(54321); 318| 1.09k| addr6.s6.sin6_addr.s6_addr[15] = 1; 319| 1.09k| stun_attr_add_addr_str(buf, &len, STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS, &addr6); ------------------ | | 109| 1.09k|#define STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS (0x0020) ------------------ 320| 1.09k| stun_attr_add_addr_str(buf, &len, STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS, &addr6); ------------------ | | 122| 1.09k|#define STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS (0x0016) ------------------ 321| | 322| 1.09k| stun_attr_add_address_error_code(buf, &len, STUN_ATTRIBUTE_REQUESTED_ADDRESS_FAMILY_VALUE_IPV6, 440); ------------------ | | 169| 1.09k|#define STUN_ATTRIBUTE_REQUESTED_ADDRESS_FAMILY_VALUE_IPV6 (0x02) ------------------ 323| | 324| 1.09k| stun_attr_add_change_request_str(buf, &len, true, true); 325| 1.09k| stun_attr_add_response_port_str(buf, &len, 3479); 326| 1.09k| stun_attr_add_padding_str(buf, &len, 64); 327| | 328| 1.09k| if (Size > STUN_HEADER_LENGTH + 4) { ------------------ | | 46| 1.09k|#define STUN_HEADER_LENGTH (20) ------------------ | Branch (328:7): [True: 996, False: 103] ------------------ 329| 996| int data_len = (int)(Size - STUN_HEADER_LENGTH); ------------------ | | 46| 996|#define STUN_HEADER_LENGTH (20) ------------------ 330| 996| if (data_len > 1024) { ------------------ | Branch (330:9): [True: 108, False: 888] ------------------ 331| 108| data_len = 1024; 332| 108| } 333| 996| stun_attr_add_str(buf, &len, STUN_ATTRIBUTE_DATA, Data + STUN_HEADER_LENGTH, data_len); ------------------ | | 121| 996|#define STUN_ATTRIBUTE_DATA (0x0013) ------------------ stun_attr_add_str(buf, &len, STUN_ATTRIBUTE_DATA, Data + STUN_HEADER_LENGTH, data_len); ------------------ | | 46| 996|#define STUN_HEADER_LENGTH (20) ------------------ 334| 996| } 335| | 336| 1.09k| stun_attr_add_fingerprint_str(buf, &len); 337| 1.09k|} FuzzStun.c:harness_old_stun: 342| 1.75k|static void harness_old_stun(const uint8_t *Data, size_t Size) { 343| 1.75k| if (Size < STUN_HEADER_LENGTH || Size > 5120) { ------------------ | | 46| 3.51k|#define STUN_HEADER_LENGTH (20) ------------------ | Branch (343:7): [True: 80, False: 1.67k] | Branch (343:36): [True: 109, False: 1.56k] ------------------ 344| 189| return; 345| 189| } 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: 174, False: 1.39k] ------------------ 355| 174| (void)stun_get_msg_type_str(buf, Size); 356| 174| (void)stun_get_method_str(buf, Size); 357| | 358| 174| stun_is_request_str(buf, Size); 359| 174| stun_is_indication_str(buf, Size); 360| 174| stun_is_success_response_str(buf, Size); 361| | 362| 174| int err_code = 0; 363| 174| uint8_t err_msg[256] = {0}; 364| 174| stun_is_error_response_str(buf, Size, &err_code, err_msg, sizeof(err_msg)); 365| | 366| 174| bool fp_present = false; 367| 174| stun_is_command_message_full_check_str(buf, Size, true, &fp_present); 368| 174| stun_is_command_message_full_check_str(buf, Size, false, &fp_present); 369| | 370| 174| stun_is_binding_request_str(buf, Size, 0); 371| 174| stun_is_binding_response_str(buf, Size); 372| | 373| 174| stun_attr_ref sar = stun_attr_get_first_str(buf, Size); 374| 742| while (sar) { ------------------ | Branch (374:12): [True: 568, False: 174] ------------------ 375| 568| (void)stun_attr_get_type(sar); 376| 568| (void)stun_attr_get_len(sar); 377| 568| sar = stun_attr_get_next_str(buf, Size, sar); 378| 568| } 379| 174| } 380| 1.56k|} FuzzStun.c:harness_challenge_response_builder: 404| 1.75k|static void harness_challenge_response_builder(const uint8_t *Data, size_t Size) { 405| 1.75k| if (!Size) { ------------------ | Branch (405:7): [True: 0, False: 1.75k] ------------------ 406| 0| return; 407| 0| } 408| | 409| 1.75k| static const uint16_t kMethods[] = { 410| 1.75k| STUN_METHOD_ALLOCATE, ------------------ | | 82| 1.75k|#define STUN_METHOD_ALLOCATE (0x0003) ------------------ 411| 1.75k| STUN_METHOD_BINDING, ------------------ | | 81| 1.75k|#define STUN_METHOD_BINDING (0x0001) ------------------ 412| 1.75k| STUN_METHOD_REFRESH, ------------------ | | 83| 1.75k|#define STUN_METHOD_REFRESH (0x0004) ------------------ 413| 1.75k| STUN_METHOD_CHANNEL_BIND, ------------------ | | 87| 1.75k|#define STUN_METHOD_CHANNEL_BIND (0x0009) ------------------ 414| 1.75k| }; 415| 1.75k| 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| 1.75k| const size_t realm_len = 1 + (Size > 1 ? (Data[1] % 16) : 0); ------------------ | Branch (421:33): [True: 1.72k, False: 32] ------------------ 422| 1.75k| const size_t nonce_len = 1 + (Size > 2 ? (Data[2] % 16) : 0); ------------------ | Branch (422:33): [True: 1.70k, False: 47] ------------------ 423| 1.75k| const size_t server_len = 1 + (Size > 3 ? (Data[3] % 16) : 0); ------------------ | Branch (423:34): [True: 1.69k, False: 57] ------------------ 424| | 425| 1.75k| uint8_t realm_buf[STUN_MAX_REALM_SIZE + 1] = {0}; 426| 1.75k| uint8_t nonce_buf[STUN_MAX_NONCE_SIZE + 1] = {0}; 427| 1.75k| uint8_t server_buf[STUN_MAX_SERVER_NAME_SIZE + 1] = {0}; 428| 13.0k| for (size_t i = 0; i < realm_len; ++i) { ------------------ | Branch (428:22): [True: 11.3k, False: 1.75k] ------------------ 429| 11.3k| realm_buf[i] = (uint8_t)('a' + (i % 26)); 430| 11.3k| } 431| 6.84k| for (size_t i = 0; i < nonce_len; ++i) { ------------------ | Branch (431:22): [True: 5.08k, False: 1.75k] ------------------ 432| 5.08k| nonce_buf[i] = (uint8_t)('0' + (i % 10)); 433| 5.08k| } 434| 13.2k| for (size_t i = 0; i < server_len; ++i) { ------------------ | Branch (434:22): [True: 11.4k, False: 1.75k] ------------------ 435| 11.4k| server_buf[i] = (uint8_t)('A' + (i % 26)); 436| 11.4k| } 437| | 438| 1.75k| stun_tid tid = {0}; 439| 22.8k| for (size_t i = 0; i < STUN_TID_SIZE; ++i) { ------------------ | | 53| 22.8k|#define STUN_TID_SIZE (12) ------------------ | Branch (439:22): [True: 21.0k, False: 1.75k] ------------------ 440| 21.0k| tid.tsx_id[i] = (uint8_t)(Size > i + 4 ? Data[i + 4] : (uint8_t)i); ------------------ | Branch (440:31): [True: 20.2k, False: 840] ------------------ 441| 21.0k| } 442| | 443| | /* Each variant builds a fresh error response and runs it through the 444| | * predicate so the inner attribute lookups fire. */ 445| 1.75k| static const struct { 446| 1.75k| uint16_t err_code; 447| 1.75k| bool include_realm; 448| 1.75k| bool include_nonce; 449| 1.75k| bool include_third_party_auth; 450| 1.75k| } kVariants[] = { 451| 1.75k| {401, true, true, false}, /* canonical 401 challenge: REALM + NONCE */ 452| 1.75k| {401, true, true, true}, /* same + THIRD-PARTY-AUTHORIZATION (OAuth branch) */ 453| 1.75k| {438, true, true, false}, /* covers the (*err_code) == 438 disjunct */ 454| 1.75k| {401, true, false, false}, /* REALM present, NONCE missing — negative inner path */ 455| 1.75k| {401, false, false, false}, /* err_code matches but no REALM — outer negative path */ 456| 1.75k| {400, true, true, false}, /* err_code does not match 401/438 — early-out path */ 457| 1.75k| }; 458| | 459| 12.2k| for (size_t v = 0; v < sizeof(kVariants) / sizeof(kVariants[0]); ++v) { ------------------ | Branch (459:22): [True: 10.5k, False: 1.75k] ------------------ 460| 10.5k| uint8_t buf[MAX_STUN_MESSAGE_SIZE] = {0}; 461| 10.5k| size_t len = 0; 462| 10.5k| stun_init_error_response_str(method, buf, &len, kVariants[v].err_code, (const uint8_t *)"unauthorized", &tid, true); 463| | 464| 10.5k| if (kVariants[v].include_realm) { ------------------ | Branch (464:9): [True: 8.77k, False: 1.75k] ------------------ 465| 8.77k| stun_attr_add_str(buf, &len, STUN_ATTRIBUTE_REALM, realm_buf, (int)realm_len); ------------------ | | 106| 8.77k|#define STUN_ATTRIBUTE_REALM (0x0014) ------------------ 466| 8.77k| } 467| 10.5k| if (kVariants[v].include_third_party_auth) { ------------------ | Branch (467:9): [True: 1.75k, False: 8.77k] ------------------ 468| 1.75k| stun_attr_add_str(buf, &len, STUN_ATTRIBUTE_THIRD_PARTY_AUTHORIZATION, server_buf, (int)server_len); ------------------ | | 227| 1.75k|#define STUN_ATTRIBUTE_THIRD_PARTY_AUTHORIZATION (0x802E) ------------------ 469| 1.75k| } 470| 10.5k| if (kVariants[v].include_nonce) { ------------------ | Branch (470:9): [True: 7.02k, False: 3.51k] ------------------ 471| 7.02k| stun_attr_add_str(buf, &len, STUN_ATTRIBUTE_NONCE, nonce_buf, (int)nonce_len); ------------------ | | 107| 7.02k|#define STUN_ATTRIBUTE_NONCE (0x0015) ------------------ 472| 7.02k| } 473| | 474| 10.5k| int err_code = 0; 475| 10.5k| uint8_t err_msg[1024] = {0}; 476| 10.5k| uint8_t out_realm[STUN_MAX_REALM_SIZE + 1] = {0}; 477| 10.5k| uint8_t out_nonce[STUN_MAX_NONCE_SIZE + 1] = {0}; 478| 10.5k| uint8_t out_server[STUN_MAX_SERVER_NAME_SIZE + 1] = {0}; 479| 10.5k| bool oauth = false; 480| 10.5k| (void)stun_is_challenge_response_str(buf, len, &err_code, err_msg, sizeof(err_msg), out_realm, out_nonce, 481| 10.5k| out_server, &oauth); 482| | 483| | /* Also exercise the NULL-oauth-pointer branch, which is reachable from 484| | * other call sites in the codebase. */ 485| 10.5k| (void)stun_is_challenge_response_str(buf, len, &err_code, err_msg, sizeof(err_msg), out_realm, out_nonce, 486| | out_server, NULL); 487| 10.5k| } 488| 1.75k|} FuzzStun.c:harness_full_addr_parser: 493| 1.75k|static void harness_full_addr_parser(const uint8_t *Data, size_t Size) { 494| 1.75k| ioa_addr addr; 495| 1.75k| const uint16_t default_port = fuzz_u16(Data, Size, 0); 496| 1.75k| const uint16_t explicit_port = fuzz_u16(Data, Size, 2); 497| | 498| 1.75k| char ipv4_plain[MAX_IOA_ADDR_STRING]; 499| 1.75k| char ipv4_with_port[MAX_IOA_ADDR_STRING]; 500| 1.75k| char ipv6_bracketed[MAX_IOA_ADDR_STRING]; 501| 1.75k| char ipv6_with_port[MAX_IOA_ADDR_STRING]; 502| 1.75k| char ipv4_spaced[MAX_IOA_ADDR_STRING]; 503| | 504| 1.75k| snprintf(ipv4_plain, sizeof(ipv4_plain), "%u.%u.%u.%u", fuzz_byte(Data, Size, 4), fuzz_byte(Data, Size, 5), 505| 1.75k| fuzz_byte(Data, Size, 6), fuzz_byte(Data, Size, 7)); 506| 1.75k| snprintf(ipv4_with_port, sizeof(ipv4_with_port), "%u.%u.%u.%u:%u", fuzz_byte(Data, Size, 8), fuzz_byte(Data, Size, 9), 507| 1.75k| fuzz_byte(Data, Size, 10), fuzz_byte(Data, Size, 11), explicit_port); 508| 1.75k| snprintf(ipv6_bracketed, sizeof(ipv6_bracketed), "[2001:db8:%x:%x::%x]", fuzz_u16(Data, Size, 12), 509| 1.75k| fuzz_u16(Data, Size, 14), fuzz_u16(Data, Size, 16)); 510| 1.75k| snprintf(ipv6_with_port, sizeof(ipv6_with_port), "[2001:db8:%x:%x::%x]:%u", fuzz_u16(Data, Size, 18), 511| 1.75k| fuzz_u16(Data, Size, 20), fuzz_u16(Data, Size, 22), explicit_port); 512| 1.75k| snprintf(ipv4_spaced, sizeof(ipv4_spaced), " %u.%u.%u.%u:%u", fuzz_byte(Data, Size, 24), fuzz_byte(Data, Size, 25), 513| 1.75k| fuzz_byte(Data, Size, 26), fuzz_byte(Data, Size, 27), explicit_port); 514| | 515| 1.75k| static const char *kFixedInputs[] = { 516| 1.75k| "", "0.0.0.0", "127.0.0.1:3478", "192.0.2.1:", "[::1]", "[::1]:5349", "[2001:db8::1] ", "::1", 517| 1.75k| }; 518| | 519| 15.7k| for (size_t i = 0; i < sizeof(kFixedInputs) / sizeof(kFixedInputs[0]); ++i) { ------------------ | Branch (519:22): [True: 14.0k, False: 1.75k] ------------------ 520| 14.0k| memset(&addr, 0, sizeof(addr)); 521| 14.0k| (void)make_ioa_addr_from_full_string((const uint8_t *)kFixedInputs[i], default_port, &addr); 522| 14.0k| } 523| | 524| 1.75k| const char *generated[] = {ipv4_plain, ipv4_with_port, ipv6_bracketed, ipv6_with_port, ipv4_spaced}; 525| 10.5k| for (size_t i = 0; i < sizeof(generated) / sizeof(generated[0]); ++i) { ------------------ | Branch (525:22): [True: 8.77k, False: 1.75k] ------------------ 526| 8.77k| memset(&addr, 0, sizeof(addr)); 527| 8.77k| (void)make_ioa_addr_from_full_string((const uint8_t *)generated[i], default_port, &addr); 528| 8.77k| } 529| | 530| | (void)make_ioa_addr_from_full_string((const uint8_t *)ipv4_plain, default_port, NULL); 531| 1.75k|} FuzzStun.c:fuzz_u16: 29| 14.0k|static uint16_t fuzz_u16(const uint8_t *Data, size_t Size, size_t idx) { 30| 14.0k| return (uint16_t)(((uint16_t)fuzz_byte(Data, Size, idx) << 8) | (uint16_t)fuzz_byte(Data, Size, idx + 1)); 31| 14.0k|} FuzzStun.c:fuzz_byte: 27| 716k|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: 716k, False: 0] ------------------ FuzzStun.c:harness_integrity_attr_add: 536| 1.75k|static void harness_integrity_attr_add(const uint8_t *Data, size_t Size) { 537| 1.75k| static const SHATYPE kShaTypes[] = {SHATYPE_SHA1, SHATYPE_SHA256, SHATYPE_SHA384, SHATYPE_SHA512}; 538| 1.75k| const SHATYPE shatype = kShaTypes[fuzz_byte(Data, Size, 0) % (sizeof(kShaTypes) / sizeof(kShaTypes[0]))]; 539| | 540| 1.75k| uint8_t uname[STUN_MAX_USERNAME_SIZE + 1] = {0}; 541| 1.75k| uint8_t realm[STUN_MAX_REALM_SIZE + 1] = {0}; 542| 1.75k| uint8_t nonce[STUN_MAX_NONCE_SIZE + 1] = {0}; 543| 1.75k| uint8_t upwd[STUN_MAX_PWD_SIZE + 1] = {0}; 544| 1.75k| password_t pwd = {0}; 545| 1.75k| hmackey_t key = {0}; 546| | 547| 1.75k| fuzz_printable_string(Data, Size, 1, uname, sizeof(uname)); 548| 1.75k| fuzz_printable_string(Data, Size, 1 + sizeof(uname), realm, sizeof(realm)); 549| 1.75k| fuzz_printable_string(Data, Size, 1 + sizeof(uname) + sizeof(realm), nonce, sizeof(nonce)); 550| 1.75k| fuzz_printable_string(Data, Size, 1 + sizeof(uname) + sizeof(realm) + sizeof(nonce), upwd, sizeof(upwd)); 551| 1.75k| fuzz_printable_string(Data, Size, 1 + sizeof(uname) + sizeof(realm) + sizeof(nonce) + sizeof(upwd), pwd, sizeof(pwd)); 552| | 553| 1.75k| if (!uname[0]) { ------------------ | Branch (553:7): [True: 239, False: 1.51k] ------------------ 554| 239| memcpy(uname, "fuzzuser", sizeof("fuzzuser")); 555| 239| } 556| 1.75k| if (!realm[0]) { ------------------ | Branch (556:7): [True: 629, False: 1.12k] ------------------ 557| 629| memcpy(realm, "fuzz.realm", sizeof("fuzz.realm")); 558| 629| } 559| 1.75k| if (!nonce[0]) { ------------------ | Branch (559:7): [True: 886, False: 869] ------------------ 560| 886| memcpy(nonce, "fuzznonce", sizeof("fuzznonce")); 561| 886| } 562| 1.75k| if (!upwd[0]) { ------------------ | Branch (562:7): [True: 1.13k, False: 619] ------------------ 563| 1.13k| memcpy(upwd, "fuzzpassword", sizeof("fuzzpassword")); 564| 1.13k| } 565| 1.75k| if (!pwd[0]) { ------------------ | Branch (565:7): [True: 623, False: 1.13k] ------------------ 566| 623| memcpy(pwd, "shortterm", sizeof("shortterm")); 567| 623| } 568| | 569| 114k| for (size_t i = 0; i < sizeof(key); ++i) { ------------------ | Branch (569:22): [True: 112k, False: 1.75k] ------------------ 570| 112k| key[i] = fuzz_byte(Data, Size, 32 + i); 571| 112k| } 572| | 573| 1.75k| uint8_t buf[MAX_STUN_MESSAGE_SIZE]; 574| 1.75k| size_t len = 0; 575| 1.75k| stun_init_request_str(STUN_METHOD_BINDING, buf, &len); ------------------ | | 81| 1.75k|#define STUN_METHOD_BINDING (0x0001) ------------------ 576| 1.75k| (void)stun_attr_add_integrity_by_key_str(buf, &len, uname, realm, key, nonce, shatype); 577| | 578| 1.75k| len = 0; 579| 1.75k| stun_init_request_str(STUN_METHOD_ALLOCATE, buf, &len); ------------------ | | 82| 1.75k|#define STUN_METHOD_ALLOCATE (0x0003) ------------------ 580| 1.75k| (void)stun_attr_add_integrity_by_user_str(buf, &len, uname, realm, upwd, nonce, shatype); 581| | 582| 1.75k| len = 0; 583| 1.75k| stun_init_request_str(STUN_METHOD_REFRESH, buf, &len); ------------------ | | 83| 1.75k|#define STUN_METHOD_REFRESH (0x0004) ------------------ 584| 1.75k| (void)stun_attr_add_integrity_by_user_short_term_str(buf, &len, uname, pwd, shatype); 585| | 586| 1.75k| len = 0; 587| 1.75k| stun_init_request_str(STUN_METHOD_CHANNEL_BIND, buf, &len); ------------------ | | 87| 1.75k|#define STUN_METHOD_CHANNEL_BIND (0x0009) ------------------ 588| 1.75k| (void)stun_attr_add_integrity_str(TURN_CREDENTIALS_SHORT_TERM, buf, &len, key, pwd, shatype); 589| | 590| 1.75k| len = 0; 591| 1.75k| stun_init_request_str(STUN_METHOD_BINDING, buf, &len); ------------------ | | 81| 1.75k|#define STUN_METHOD_BINDING (0x0001) ------------------ 592| 1.75k| (void)stun_attr_add_integrity_str(TURN_CREDENTIALS_LONG_TERM, buf, &len, key, pwd, shatype); 593| 1.75k|} FuzzStun.c:fuzz_printable_string: 33| 8.77k|static void fuzz_printable_string(const uint8_t *Data, size_t Size, size_t idx, uint8_t *out, size_t out_size) { 34| 8.77k| if (!out_size) { ------------------ | Branch (34:7): [True: 0, False: 8.77k] ------------------ 35| 0| return; 36| 0| } 37| | 38| 8.77k| const size_t max_len = out_size - 1; 39| 8.77k| const size_t len = max_len ? (size_t)(fuzz_byte(Data, Size, idx) % (max_len + 1)) : 0; ------------------ | Branch (39:22): [True: 8.77k, False: 0] ------------------ 40| 553k| for (size_t i = 0; i < len; ++i) { ------------------ | Branch (40:22): [True: 544k, False: 8.77k] ------------------ 41| 544k| out[i] = (uint8_t)(33 + (fuzz_byte(Data, Size, idx + 1 + i) % 94)); 42| 544k| } 43| 8.77k| out[len] = 0; 44| 8.77k|} turn_malloc_impl: 938| 9.60k|void *turn_malloc_impl(size_t sz, const char *file, int line) { 939| 9.60k| void *ptr = malloc(sz); 940| 9.60k| if (!ptr && sz) { ------------------ | Branch (940:7): [True: 0, False: 9.60k] | Branch (940:15): [True: 0, False: 0] ------------------ 941| 0| turn_out_of_memory(file, line, "malloc", sz); 942| 0| } 943| 9.60k| return ptr; 944| 9.60k|} turn_realloc_impl: 954| 8|void *turn_realloc_impl(void *ptr, size_t sz, const char *file, int line) { 955| 8| void *newptr = realloc(ptr, sz); 956| 8| if (!newptr && sz) { ------------------ | Branch (956:7): [True: 0, False: 8] | Branch (956:18): [True: 0, False: 0] ------------------ 957| 0| turn_out_of_memory(file, line, "realloc", sz); 958| 0| } 959| 8| return newptr; 960| 8|} turn_strdup_impl: 962| 22.8k|char *turn_strdup_impl(const char *s, const char *file, int line) { 963| 22.8k| if (!s) { ------------------ | Branch (963:7): [True: 0, False: 22.8k] ------------------ 964| 0| return NULL; 965| 0| } 966| 22.8k| char *ptr = strdup(s); 967| 22.8k| if (!ptr) { ------------------ | Branch (967:7): [True: 0, False: 22.8k] ------------------ 968| 0| turn_out_of_memory(file, line, "strdup", strlen(s) + 1); 969| 0| } 970| 22.8k| return ptr; 971| 22.8k|} addr_set_any: 48| 17.8k|void addr_set_any(ioa_addr *addr) { 49| 17.8k| if (addr) { ------------------ | Branch (49:7): [True: 17.8k, False: 0] ------------------ 50| 17.8k| memset(addr, 0, sizeof(ioa_addr)); 51| 17.8k| } 52| 17.8k|} addr_eq_no_port: 180| 15.0k|int addr_eq_no_port(const ioa_addr *a1, const ioa_addr *a2) { 181| | 182| 15.0k| if (!a1) { ------------------ | Branch (182:7): [True: 0, False: 15.0k] ------------------ 183| 0| return (!a2); 184| 15.0k| } else if (!a2) { ------------------ | Branch (184:14): [True: 0, False: 15.0k] ------------------ 185| 0| return (!a1); 186| 0| } 187| | 188| 15.0k| if (a1->ss.sa_family == a2->ss.sa_family) { ------------------ | Branch (188:7): [True: 7.56k, False: 7.53k] ------------------ 189| 7.56k| if (a1->ss.sa_family == AF_INET) { ------------------ | Branch (189:9): [True: 5.12k, False: 2.43k] ------------------ 190| 5.12k| if ((int)a1->s4.sin_addr.s_addr == (int)a2->s4.sin_addr.s_addr) { ------------------ | Branch (190:11): [True: 31, False: 5.09k] ------------------ 191| 31| return 1; 192| 31| } 193| 5.12k| } else if (a1->ss.sa_family == AF_INET6) { ------------------ | Branch (193:16): [True: 2.43k, False: 0] ------------------ 194| 2.43k| if (memcmp(&(a1->s6.sin6_addr), &(a2->s6.sin6_addr), sizeof(struct in6_addr)) == 0) { ------------------ | Branch (194:11): [True: 14, False: 2.42k] ------------------ 195| 14| return 1; 196| 14| } 197| 2.43k| } 198| 7.56k| } 199| 15.0k| return 0; 200| 15.0k|} make_ioa_addr: 202| 22.8k|int make_ioa_addr(const uint8_t *saddr0, uint16_t port, ioa_addr *addr) { 203| | 204| 22.8k| if (!saddr0 || !addr) { ------------------ | Branch (204:7): [True: 0, False: 22.8k] | Branch (204:18): [True: 0, False: 22.8k] ------------------ 205| 0| return -1; 206| 0| } 207| | 208| 22.8k| char ssaddr[257]; 209| 22.8k| STRCPY(ssaddr, saddr0); ------------------ | | 240| 22.8k| do { \ | | 241| 22.8k| if ((const char *)(dst) != (const char *)(src)) { \ | | ------------------ | | | Branch (241:9): [True: 22.8k, False: 0] | | ------------------ | | 242| 22.8k| if (sizeof(dst) == sizeof(char *)) \ | | ------------------ | | | Branch (242:11): [Folded, False: 22.8k] | | ------------------ | | 243| 22.8k| strcpy(((char *)(dst)), (const char *)(src)); \ | | 244| 22.8k| else { \ | | 245| 22.8k| size_t szdst = sizeof((dst)); \ | | 246| 22.8k| strncpy((char *)(dst), (const char *)(src), szdst); \ | | 247| 22.8k| ((char *)(dst))[szdst - 1] = 0; \ | | 248| 22.8k| } \ | | 249| 22.8k| } \ | | 250| 22.8k| } while (0) | | ------------------ | | | Branch (250:12): [Folded, False: 22.8k] | | ------------------ ------------------ 210| | 211| 22.8k| char *saddr = ssaddr; 212| 22.8k| while (*saddr == ' ') { ------------------ | Branch (212:10): [True: 0, False: 22.8k] ------------------ 213| 0| ++saddr; 214| 0| } 215| | 216| 22.8k| size_t len = strlen(saddr); 217| 22.8k| while (len > 0) { ------------------ | Branch (217:10): [True: 19.3k, False: 3.51k] ------------------ 218| 19.3k| if (saddr[len - 1] == ' ') { ------------------ | Branch (218:9): [True: 0, False: 19.3k] ------------------ 219| 0| saddr[len - 1] = 0; 220| 0| --len; 221| 19.3k| } else { 222| 19.3k| break; 223| 19.3k| } 224| 19.3k| } 225| | 226| 22.8k| memset(addr, 0, sizeof(ioa_addr)); 227| 22.8k| if ((len == 0) || (inet_pton(AF_INET, saddr, &addr->s4.sin_addr) == 1)) { ------------------ | Branch (227:7): [True: 3.51k, False: 19.3k] | Branch (227:21): [True: 10.5k, False: 8.77k] ------------------ 228| 14.0k| 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| 14.0k| addr->s4.sin_port = nswap16(port); ------------------ | | 86| 14.0k|#define nswap16(s) ntohs(s) ------------------ 233| 14.0k| } else if (inet_pton(AF_INET6, saddr, &addr->s6.sin6_addr) == 1) { ------------------ | Branch (233:14): [True: 8.77k, False: 0] ------------------ 234| 8.77k| 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| 8.77k| addr->s6.sin6_port = nswap16(port); ------------------ | | 86| 8.77k|#define nswap16(s) ntohs(s) ------------------ 239| 8.77k| } 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| 22.8k| return 0; 300| 22.8k|} make_ioa_addr_from_full_string: 340| 24.5k|int make_ioa_addr_from_full_string(const uint8_t *saddr, uint16_t default_port, ioa_addr *addr) { 341| 24.5k| if (!addr) { ------------------ | Branch (341:7): [True: 1.75k, False: 22.8k] ------------------ 342| 1.75k| return -1; 343| 1.75k| } 344| | 345| 22.8k| int ret = -1; 346| 22.8k| uint16_t port = 0; 347| 22.8k| char *s = turn_strdup((const char *)saddr); ------------------ | | 122| 22.8k|#define turn_strdup(s) turn_strdup_impl((s), __FILE__, __LINE__) ------------------ 348| 22.8k| char *sa = get_addr_string_and_port(s, &port); 349| 22.8k| if (sa) { ------------------ | Branch (349:7): [True: 22.8k, False: 0] ------------------ 350| 22.8k| if (port < 1) { ------------------ | Branch (350:9): [True: 14.4k, False: 8.40k] ------------------ 351| 14.4k| port = default_port; 352| 14.4k| } 353| 22.8k| ret = make_ioa_addr((uint8_t *)sa, port, addr); 354| 22.8k| } 355| 22.8k| free(s); 356| 22.8k| return ret; 357| 24.5k|} addr_set_port: 407| 45|void addr_set_port(ioa_addr *addr, uint16_t port) { 408| 45| if (addr) { ------------------ | Branch (408:7): [True: 45, False: 0] ------------------ 409| 45| if (addr->s4.sin_family == AF_INET) { ------------------ | Branch (409:9): [True: 31, False: 14] ------------------ 410| 31| addr->s4.sin_port = nswap16(port); ------------------ | | 86| 31|#define nswap16(s) ntohs(s) ------------------ 411| 31| } else if (addr->s6.sin6_family == AF_INET6) { ------------------ | Branch (411:16): [True: 14, False: 0] ------------------ 412| | addr->s6.sin6_port = nswap16(port); ------------------ | | 86| 14|#define nswap16(s) ntohs(s) ------------------ 413| 14| } 414| 45| } 415| 45|} addr_get_port: 417| 45|uint16_t addr_get_port(const ioa_addr *addr) { 418| 45| if (!addr) { ------------------ | Branch (418:7): [True: 0, False: 45] ------------------ 419| 0| return 0; 420| 0| } 421| | 422| 45| if (addr->s4.sin_family == AF_INET) { ------------------ | Branch (422:7): [True: 31, False: 14] ------------------ 423| 31| return nswap16(addr->s4.sin_port); ------------------ | | 86| 31|#define nswap16(s) ntohs(s) ------------------ 424| 31| } else if (addr->s6.sin6_family == AF_INET6) { ------------------ | Branch (424:14): [True: 14, False: 0] ------------------ 425| 14| return nswap16(addr->s6.sin6_port); ------------------ | | 86| 14|#define nswap16(s) ntohs(s) ------------------ 426| 14| } 427| 0| return 0; 428| 45|} 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| 969|void map_addr_from_public_to_private(const ioa_addr *public_addr, ioa_addr *private_addr) { 689| 969| size_t i; 690| 2.83k| for (i = 0; i < mcount; ++i) { ------------------ | Branch (690:15): [True: 1.90k, False: 924] ------------------ 691| 1.90k| if (addr_eq_no_port(public_addr, public_addrs[i])) { ------------------ | Branch (691:9): [True: 45, False: 1.86k] ------------------ 692| 45| addr_cpy(private_addr, private_addrs[i]); 693| 45| addr_set_port(private_addr, addr_get_port(public_addr)); 694| 45| return; 695| 45| } 696| 1.90k| } 697| 924| addr_cpy(private_addr, public_addr); 698| 924|} map_addr_from_private_to_public: 700| 6.59k|void map_addr_from_private_to_public(const ioa_addr *private_addr, ioa_addr *public_addr) { 701| 6.59k| size_t i; 702| 19.7k| for (i = 0; i < mcount; ++i) { ------------------ | Branch (702:15): [True: 13.1k, False: 6.59k] ------------------ 703| 13.1k| if (addr_eq_no_port(private_addr, private_addrs[i])) { ------------------ | Branch (703:9): [True: 0, False: 13.1k] ------------------ 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| 13.1k| } 709| 6.59k| addr_cpy(public_addr, private_addr); 710| 6.59k|} ns_turn_ioaddr.c:get_addr_string_and_port: 302| 22.8k|static char *get_addr_string_and_port(char *s0, uint16_t *port) { 303| 22.8k| char *s = s0; 304| 26.3k| while (*s && (*s == ' ')) { ------------------ | Branch (304:10): [True: 24.5k, False: 1.75k] | Branch (304:16): [True: 3.51k, False: 21.0k] ------------------ 305| 3.51k| ++s; 306| 3.51k| } 307| 22.8k| if (*s == '[') { ------------------ | Branch (307:7): [True: 8.77k, False: 14.0k] ------------------ 308| 8.77k| ++s; 309| 8.77k| char *tail = strstr(s, "]"); 310| 8.77k| if (tail) { ------------------ | Branch (310:9): [True: 8.77k, False: 0] ------------------ 311| 8.77k| *tail = 0; 312| 8.77k| ++tail; 313| 12.2k| while (*tail && (*tail == ' ')) { ------------------ | Branch (313:14): [True: 7.02k, False: 5.26k] | Branch (313:23): [True: 3.51k, False: 3.51k] ------------------ 314| 3.51k| ++tail; 315| 3.51k| } 316| 8.77k| if (*tail == ':') { ------------------ | Branch (316:11): [True: 3.51k, False: 5.26k] ------------------ 317| 3.51k| ++tail; 318| 3.51k| *port = atoi(tail); 319| 3.51k| return s; 320| 5.26k| } else if (*tail == 0) { ------------------ | Branch (320:18): [True: 5.26k, False: 0] ------------------ 321| 5.26k| *port = 0; 322| 5.26k| return s; 323| 5.26k| } 324| 8.77k| } 325| 14.0k| } else { 326| 14.0k| char *tail = strstr(s, ":"); 327| 14.0k| if (tail) { ------------------ | Branch (327:9): [True: 8.77k, False: 5.26k] ------------------ 328| 8.77k| *tail = 0; 329| 8.77k| ++tail; 330| 8.77k| *port = atoi(tail); 331| 8.77k| return s; 332| 8.77k| } else { 333| 5.26k| *port = 0; 334| 5.26k| return s; 335| 5.26k| } 336| 14.0k| } 337| 0| return NULL; 338| 22.8k|} ns_turn_ioaddr.c:addr_cpy: 87| 7.57k|static inline void addr_cpy(ioa_addr *dst, const ioa_addr *src) { 88| 7.57k| if (dst && src) { ------------------ | Branch (88:7): [True: 7.57k, False: 0] | Branch (88:14): [True: 7.57k, False: 0] ------------------ 89| 7.57k| memcpy(dst, src, sizeof(ioa_addr)); 90| 7.57k| } 91| 7.57k|} turn_random_number: 123| 57.9k|long turn_random_number(void) { 124| 57.9k| long ret = 0; 125| 57.9k|#if defined(FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION) 126| 57.9k| 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| 57.9k| return ret; 136| 57.9k|} stun_calculate_hmac: 174| 7.31k| unsigned int *hmac_len, SHATYPE shatype) { 175| 7.31k| ERR_clear_error(); 176| 7.31k| UNUSED_ARG(shatype); ------------------ | | 216| 7.31k| do { \ | | 217| 7.31k| A = A; \ | | 218| 7.31k| } while (0) | | ------------------ | | | Branch (218:12): [Folded, False: 7.31k] | | ------------------ ------------------ 177| | 178| 7.31k| if (shatype == SHATYPE_SHA256) { ------------------ | Branch (178:7): [True: 2.40k, False: 4.90k] ------------------ 179| 2.40k|#if !defined(OPENSSL_NO_SHA256) && defined(SHA256_DIGEST_LENGTH) 180| 2.40k| if (!HMAC(EVP_sha256(), key, (int)keylen, buf, len, hmac, hmac_len)) { ------------------ | Branch (180:9): [True: 0, False: 2.40k] ------------------ 181| 0| return false; 182| 0| } 183| |#else 184| | fprintf(stderr, "SHA256 is not supported\n"); 185| | return false; 186| |#endif 187| 4.90k| } else if (shatype == SHATYPE_SHA384) { ------------------ | Branch (187:14): [True: 976, False: 3.93k] ------------------ 188| 976|#if !defined(OPENSSL_NO_SHA384) && defined(SHA384_DIGEST_LENGTH) 189| 976| if (!HMAC(EVP_sha384(), key, (int)keylen, buf, len, hmac, hmac_len)) { ------------------ | Branch (189:9): [True: 0, False: 976] ------------------ 190| 0| return false; 191| 0| } 192| |#else 193| | fprintf(stderr, "SHA384 is not supported\n"); 194| | return false; 195| |#endif 196| 3.93k| } else if (shatype == SHATYPE_SHA512) { ------------------ | Branch (196:14): [True: 1.24k, False: 2.68k] ------------------ 197| 1.24k|#if !defined(OPENSSL_NO_SHA512) && defined(SHA512_DIGEST_LENGTH) 198| 1.24k| if (!HMAC(EVP_sha512(), key, (int)keylen, buf, len, hmac, hmac_len)) { ------------------ | Branch (198:9): [True: 0, False: 1.24k] ------------------ 199| 0| return false; 200| 0| } 201| |#else 202| | fprintf(stderr, "SHA512 is not supported\n"); 203| | return false; 204| |#endif 205| 2.68k| } else if (!HMAC(EVP_sha1(), key, (int)keylen, buf, len, hmac, hmac_len)) { ------------------ | Branch (205:14): [True: 0, False: 2.68k] ------------------ 206| 0| return false; 207| 0| } 208| | 209| 7.31k| return true; 210| 7.31k|} stun_produce_integrity_key_str: 340| 9.59k| SHATYPE shatype) { 341| 9.59k| bool ret; 342| | 343| 9.59k| ERR_clear_error(); 344| 9.59k| UNUSED_ARG(shatype); ------------------ | | 216| 9.59k| do { \ | | 217| 9.59k| A = A; \ | | 218| 9.59k| } while (0) | | ------------------ | | | Branch (218:12): [Folded, False: 9.59k] | | ------------------ ------------------ 345| | 346| 9.59k| const size_t ulen = strlen((const char *)uname); 347| 9.59k| const size_t rlen = strlen((const char *)realm); 348| 9.59k| const size_t plen = strlen((const char *)upwd); 349| 9.59k| const size_t sz = ulen + 1 + rlen + 1 + plen + 1 + 10; 350| 9.59k| const size_t strl = ulen + 1 + rlen + 1 + plen; 351| 9.59k| uint8_t *str = (uint8_t *)turn_malloc(sz + 1); ------------------ | | 119| 9.59k|#define turn_malloc(sz) turn_malloc_impl((sz), __FILE__, __LINE__) ------------------ 352| | 353| 9.59k| strncpy((char *)str, (const char *)uname, sz); 354| 9.59k| str[ulen] = ':'; 355| 9.59k| strncpy((char *)str + ulen + 1, (const char *)realm, sz - ulen - 1); 356| 9.59k| str[ulen + 1 + rlen] = ':'; 357| 9.59k| strncpy((char *)str + ulen + 1 + rlen + 1, (const char *)upwd, sz - ulen - 1 - rlen - 1); 358| 9.59k| str[strl] = 0; 359| | 360| 9.59k| if (shatype == SHATYPE_SHA256) { ------------------ | Branch (360:7): [True: 3.73k, False: 5.86k] ------------------ 361| 3.73k|#if !defined(OPENSSL_NO_SHA256) && defined(SHA256_DIGEST_LENGTH) 362| 3.73k| unsigned int keylen = 0; 363| 3.73k| EVP_MD_CTX *ctx = EVP_MD_CTX_new(); 364| 3.73k| EVP_DigestInit(ctx, EVP_sha256()); 365| 3.73k| EVP_DigestUpdate(ctx, str, strl); 366| 3.73k| EVP_DigestFinal(ctx, key, &keylen); 367| 3.73k| EVP_MD_CTX_free(ctx); 368| 3.73k| ret = true; 369| |#else 370| | fprintf(stderr, "SHA256 is not supported\n"); 371| | ret = false; 372| |#endif 373| 5.86k| } else if (shatype == SHATYPE_SHA384) { ------------------ | Branch (373:14): [True: 1.80k, False: 4.05k] ------------------ 374| 1.80k|#if !defined(OPENSSL_NO_SHA384) && defined(SHA384_DIGEST_LENGTH) 375| 1.80k| unsigned int keylen = 0; 376| 1.80k| EVP_MD_CTX *ctx = EVP_MD_CTX_new(); 377| 1.80k| EVP_DigestInit(ctx, EVP_sha384()); 378| 1.80k| EVP_DigestUpdate(ctx, str, strl); 379| 1.80k| EVP_DigestFinal(ctx, key, &keylen); 380| 1.80k| EVP_MD_CTX_free(ctx); 381| 1.80k| ret = true; 382| |#else 383| | fprintf(stderr, "SHA384 is not supported\n"); 384| | ret = false; 385| |#endif 386| 4.05k| } else if (shatype == SHATYPE_SHA512) { ------------------ | Branch (386:14): [True: 1.87k, False: 2.18k] ------------------ 387| 1.87k|#if !defined(OPENSSL_NO_SHA512) && defined(SHA512_DIGEST_LENGTH) 388| 1.87k| unsigned int keylen = 0; 389| 1.87k| EVP_MD_CTX *ctx = EVP_MD_CTX_new(); 390| 1.87k| EVP_DigestInit(ctx, EVP_sha512()); 391| 1.87k| EVP_DigestUpdate(ctx, str, strl); 392| 1.87k| EVP_DigestFinal(ctx, key, &keylen); 393| 1.87k| EVP_MD_CTX_free(ctx); 394| 1.87k| ret = true; 395| |#else 396| | fprintf(stderr, "SHA512 is not supported\n"); 397| | ret = false; 398| |#endif 399| 2.18k| } else { 400| 2.18k|#if OPENSSL_VERSION_NUMBER >= 0x30000000L 401| 2.18k| unsigned int keylen = 0; 402| 2.18k| EVP_MD_CTX *ctx = EVP_MD_CTX_new(); 403| 2.18k| if (EVP_default_properties_is_fips_enabled(NULL)) { ------------------ | Branch (403:9): [True: 0, False: 2.18k] ------------------ 404| 0| EVP_default_properties_enable_fips(NULL, 0); 405| 0| } 406| 2.18k| EVP_DigestInit_ex(ctx, EVP_md5(), NULL); 407| 2.18k| EVP_DigestUpdate(ctx, str, strl); 408| 2.18k| EVP_DigestFinal(ctx, key, &keylen); 409| 2.18k| 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| 2.18k| ret = true; 424| 2.18k| } 425| | 426| 9.59k| free(str); 427| | 428| 9.59k| return ret; 429| 9.59k|} stun_get_command_message_len_str: 523| 1.87M|int stun_get_command_message_len_str(const uint8_t *buf, size_t len) { 524| 1.87M| if (len < STUN_HEADER_LENGTH) { ------------------ | | 46| 1.87M|#define STUN_HEADER_LENGTH (20) ------------------ | Branch (524:7): [True: 22, False: 1.87M] ------------------ 525| 22| return -1; 526| 22| } 527| | 528| | /* Validate the size the buffer claims to be */ 529| 1.87M| const size_t bufLen = (size_t)(turn_read_u16(buf + 2) + STUN_HEADER_LENGTH); ------------------ | | 46| 1.87M|#define STUN_HEADER_LENGTH (20) ------------------ 530| 1.87M| if (bufLen > len) { ------------------ | Branch (530:7): [True: 1.06k, False: 1.87M] ------------------ 531| 1.06k| return -1; 532| 1.06k| } 533| | 534| 1.87M| return bufLen; 535| 1.87M|} stun_make_type: 547| 19.3k|uint16_t stun_make_type(uint16_t method) { 548| 19.3k| method = method & 0x0FFF; 549| 19.3k| return ((method & 0x000F) | ((method & 0x0070) << 1) | ((method & 0x0380) << 2) | ((method & 0x0C00) << 2)); 550| 19.3k|} stun_get_method_str: 552| 5.19k|uint16_t stun_get_method_str(const uint8_t *buf, size_t len) { 553| 5.19k| if (!buf || len < 2) { ------------------ | Branch (553:7): [True: 0, False: 5.19k] | Branch (553:15): [True: 0, False: 5.19k] ------------------ 554| 0| return (uint16_t)-1; 555| 0| } 556| | 557| 5.19k| const uint16_t tt = turn_read_u16(buf); 558| | 559| 5.19k| return (tt & 0x000F) | ((tt & 0x00E0) >> 1) | ((tt & 0x0E00) >> 2) | ((tt & 0x3000) >> 2); 560| 5.19k|} stun_get_msg_type_str: 562| 24.1k|uint16_t stun_get_msg_type_str(const uint8_t *buf, size_t len) { 563| 24.1k| if (!buf || len < 2) { ------------------ | Branch (563:7): [True: 0, False: 24.1k] | Branch (563:15): [True: 0, False: 24.1k] ------------------ 564| 0| return (uint16_t)-1; 565| 0| } 566| 24.1k| return (turn_read_u16(buf) & 0x3FFF); 567| 24.1k|} is_channel_msg_str: 569| 24.0k|bool is_channel_msg_str(const uint8_t *buf, size_t blen) { 570| 24.0k| return (buf && blen >= 4 && STUN_VALID_CHANNEL(turn_read_u16(buf))); ------------------ | | 163| 24.0k|#define STUN_VALID_CHANNEL(chn) ((chn) >= 0x4000 && (chn) <= 0x7FFF) | | ------------------ | | | Branch (163:34): [True: 0, False: 24.0k] | | | Branch (163:53): [True: 0, False: 0] | | ------------------ ------------------ | Branch (570:11): [True: 24.0k, False: 0] | Branch (570:18): [True: 24.0k, False: 0] ------------------ 571| 24.0k|} stun_is_command_message_str: 575| 13.2k|bool stun_is_command_message_str(const uint8_t *buf, size_t blen) { 576| 13.2k| if (buf && blen >= STUN_HEADER_LENGTH) { ------------------ | | 46| 13.2k|#define STUN_HEADER_LENGTH (20) ------------------ | Branch (576:7): [True: 13.2k, False: 0] | Branch (576:14): [True: 13.2k, False: 11] ------------------ 577| 13.2k| if (!STUN_VALID_CHANNEL(turn_read_u16(buf))) { ------------------ | | 163| 13.2k|#define STUN_VALID_CHANNEL(chn) ((chn) >= 0x4000 && (chn) <= 0x7FFF) | | ------------------ | | | Branch (163:34): [True: 361, False: 12.8k] | | | Branch (163:53): [True: 96, False: 265] | | ------------------ ------------------ 578| 13.1k| if ((((uint8_t)buf[0]) & ((uint8_t)(0xC0))) == 0) { ------------------ | Branch (578:11): [True: 12.8k, False: 265] ------------------ 579| 12.8k| if (turn_read_u32(buf + 4) == STUN_MAGIC_COOKIE) { ------------------ | | 60| 12.8k|#define STUN_MAGIC_COOKIE (0x2112A442) ------------------ | Branch (579:13): [True: 9.62k, False: 3.23k] ------------------ 580| 9.62k| const uint16_t len = turn_read_u16(buf + 2); 581| 9.62k| if ((len & 0x0003) == 0) { ------------------ | Branch (581:15): [True: 9.43k, False: 192] ------------------ 582| 9.43k| if ((size_t)(len + STUN_HEADER_LENGTH) == blen) { ------------------ | | 46| 9.43k|#define STUN_HEADER_LENGTH (20) ------------------ | Branch (582:17): [True: 8.89k, False: 542] ------------------ 583| 8.89k| return true; 584| 8.89k| } 585| 9.43k| } 586| 9.62k| } 587| 12.8k| } 588| 13.1k| } 589| 13.2k| } 590| 4.33k| return false; 591| 13.2k|} 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))) { ------------------ | | 163| 1.56k|#define STUN_VALID_CHANNEL(chn) ((chn) >= 0x4000 && (chn) <= 0x7FFF) | | ------------------ | | | Branch (163:34): [True: 45, False: 1.52k] | | | Branch (163:53): [True: 12, False: 33] | | ------------------ ------------------ 596| 1.55k| if ((((uint8_t)buf[0]) & ((uint8_t)(0xC0))) == 0) { ------------------ | Branch (596:11): [True: 1.52k, False: 33] ------------------ 597| 1.52k| const uint32_t msg_cookie = turn_read_u32(buf + 4); 598| 1.52k| if (msg_cookie != STUN_MAGIC_COOKIE) { ------------------ | | 60| 1.52k|#define STUN_MAGIC_COOKIE (0x2112A442) ------------------ | Branch (598:13): [True: 317, False: 1.20k] ------------------ 599| 317| const uint16_t len = turn_read_u16(buf + 2); 600| 317| if ((len & 0x0003) == 0) { ------------------ | Branch (600:15): [True: 250, False: 67] ------------------ 601| 250| if ((size_t)(len + STUN_HEADER_LENGTH) == blen) { ------------------ | | 46| 250|#define STUN_HEADER_LENGTH (20) ------------------ | Branch (601:17): [True: 174, False: 76] ------------------ 602| 174| *cookie = msg_cookie; 603| 174| return true; 604| 174| } 605| 250| } 606| 317| } 607| 1.52k| } 608| 1.55k| } 609| 1.56k| } 610| 1.39k| return false; 611| 1.56k|} stun_is_command_message_full_check_str: 614| 8.18k| bool *fingerprint_present) { 615| 8.18k| if (!stun_is_command_message_str(buf, blen)) { ------------------ | Branch (615:7): [True: 2.62k, False: 5.56k] ------------------ 616| 2.62k| return false; 617| 2.62k| } 618| 5.56k| stun_attr_ref sar = stun_attr_get_first_by_type_str(buf, blen, STUN_ATTRIBUTE_FINGERPRINT); ------------------ | | 115| 5.56k|#define STUN_ATTRIBUTE_FINGERPRINT (0x8028) ------------------ 619| 5.56k| if (!sar) { ------------------ | Branch (619:7): [True: 5.02k, False: 535] ------------------ 620| 5.02k| if (fingerprint_present) { ------------------ | Branch (620:9): [True: 0, False: 5.02k] ------------------ 621| 0| *fingerprint_present = false; 622| 0| } 623| 5.02k| if (stun_get_method_str(buf, blen) == STUN_METHOD_BINDING) { ------------------ | | 81| 5.02k|#define STUN_METHOD_BINDING (0x0001) ------------------ | Branch (623:9): [True: 200, False: 4.82k] ------------------ 624| 200| return true; 625| 200| } 626| 4.82k| return !must_check_fingerprint; 627| 5.02k| } 628| 535| if (stun_attr_get_len(sar) != 4) { ------------------ | Branch (628:7): [True: 130, False: 405] ------------------ 629| 130| return false; 630| 130| } 631| 405| const uint8_t *fingerprint = stun_attr_get_value(sar); 632| 405| if (!fingerprint) { ------------------ | Branch (632:7): [True: 0, False: 405] ------------------ 633| 0| return !must_check_fingerprint; 634| 0| } 635| 405| const uint32_t crc32len = (uint32_t)((fingerprint - buf) - 4); 636| 405| const bool ret = (turn_read_u32(fingerprint) == (ns_crc32(buf, crc32len) ^ ((uint32_t)FINGERPRINT_XOR))); ------------------ | | 53| 405|#define FINGERPRINT_XOR 0x5354554e ------------------ 637| 405| if (ret && fingerprint_present) { ------------------ | Branch (637:7): [True: 5, False: 400] | Branch (637:14): [True: 0, False: 5] ------------------ 638| 0| *fingerprint_present = ret; 639| 0| } 640| 405| return ret; 641| 405|} stun_is_request_str: 643| 174|bool stun_is_request_str(const uint8_t *buf, size_t len) { 644| 174| if (is_channel_msg_str(buf, len)) { ------------------ | Branch (644:7): [True: 0, False: 174] ------------------ 645| 0| return false; 646| 0| } 647| 174| return IS_STUN_REQUEST(stun_get_msg_type_str(buf, len)); ------------------ | | 62| 174|#define IS_STUN_REQUEST(msg_type) (((msg_type)&0x0110) == 0x0000) ------------------ 648| 174|} stun_is_success_response_str: 650| 174|bool stun_is_success_response_str(const uint8_t *buf, size_t len) { 651| 174| if (is_channel_msg_str(buf, len)) { ------------------ | Branch (651:7): [True: 0, False: 174] ------------------ 652| 0| return false; 653| 0| } 654| 174| return IS_STUN_SUCCESS_RESP(stun_get_msg_type_str(buf, len)); ------------------ | | 64| 174|#define IS_STUN_SUCCESS_RESP(msg_type) (((msg_type)&0x0110) == 0x0100) ------------------ 655| 174|} stun_is_error_response_str: 657| 23.4k|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| 23.4k| if (is_channel_msg_str(buf, len)) { ------------------ | Branch (658:7): [True: 0, False: 23.4k] ------------------ 659| 0| return false; 660| 0| } 661| 23.4k| if (IS_STUN_ERR_RESP(stun_get_msg_type_str(buf, len))) { ------------------ | | 65| 23.4k|#define IS_STUN_ERR_RESP(msg_type) (((msg_type)&0x0110) == 0x0110) | | ------------------ | | | Branch (65:36): [True: 21.7k, False: 1.72k] | | ------------------ ------------------ 662| 21.7k| if (err_code) { ------------------ | Branch (662:9): [True: 21.7k, False: 0] ------------------ 663| 21.7k| stun_attr_ref sar = stun_attr_get_first_by_type_str(buf, len, STUN_ATTRIBUTE_ERROR_CODE); ------------------ | | 103| 21.7k|#define STUN_ATTRIBUTE_ERROR_CODE (0x0009) ------------------ 664| 21.7k| if (sar) { ------------------ | Branch (664:11): [True: 21.3k, False: 445] ------------------ 665| 21.3k| if (stun_attr_get_len(sar) >= 4) { ------------------ | Branch (665:13): [True: 21.2k, False: 36] ------------------ 666| 21.2k| const uint8_t *val = (const uint8_t *)stun_attr_get_value(sar); 667| 21.2k| *err_code = (int)(val[2] * 100 + val[3]); 668| 21.2k| if (err_msg && err_msg_size > 0) { ------------------ | Branch (668:15): [True: 21.2k, False: 0] | Branch (668:26): [True: 21.2k, False: 0] ------------------ 669| 21.2k| err_msg[0] = 0; 670| 21.2k| if (stun_attr_get_len(sar) > 4) { ------------------ | Branch (670:17): [True: 21.1k, False: 133] ------------------ 671| 21.1k| size_t msg_len = stun_attr_get_len(sar) - 4; 672| 21.1k| if (msg_len > (err_msg_size - 1)) { ------------------ | Branch (672:19): [True: 19, False: 21.1k] ------------------ 673| 19| msg_len = err_msg_size - 1; 674| 19| } 675| 21.1k| memcpy(err_msg, val + 4, msg_len); 676| 21.1k| err_msg[msg_len] = 0; 677| 21.1k| } 678| 21.2k| } 679| 21.2k| } 680| 21.3k| } 681| 21.7k| } 682| 21.7k| return true; 683| 21.7k| } 684| 1.72k| return false; 685| 23.4k|} stun_is_challenge_response_str: 689| 22.1k| bool *oauth) { 690| 22.1k| const bool ret = stun_is_error_response_str(buf, len, err_code, err_msg, err_msg_size); 691| | 692| 22.1k| if (ret && (((*err_code) == 401) || ((*err_code) == 438))) { ------------------ | Branch (692:7): [True: 21.3k, False: 811] | Branch (692:15): [True: 14.0k, False: 7.28k] | Branch (692:39): [True: 3.52k, False: 3.76k] ------------------ 693| 17.6k| stun_attr_ref sar = stun_attr_get_first_by_type_str(buf, len, STUN_ATTRIBUTE_REALM); ------------------ | | 106| 17.6k|#define STUN_ATTRIBUTE_REALM (0x0014) ------------------ 694| 17.6k| if (sar) { ------------------ | Branch (694:9): [True: 14.0k, False: 3.51k] ------------------ 695| 14.0k| bool found_oauth = false; 696| | 697| 14.0k| const uint8_t *value = stun_attr_get_value(sar); 698| 14.0k| if (value) { ------------------ | Branch (698:11): [True: 14.0k, False: 1] ------------------ 699| 14.0k| size_t vlen = (size_t)stun_attr_get_len(sar); 700| | /* Truncating would corrupt the realm mid-codepoint and fail the integrity 701| | * check later with an unrelated error; reject the challenge instead. */ 702| 14.0k| if (vlen > (size_t)STUN_MAX_REALM_SIZE) { ------------------ | | 54| 14.0k|#define STUN_MAX_REALM_SIZE (763) ------------------ | Branch (702:13): [True: 3, False: 14.0k] ------------------ 703| 3| return false; 704| 3| } 705| 14.0k| memcpy(realm, value, vlen); 706| 14.0k| realm[vlen] = 0; 707| 14.0k| { 708| 14.0k| sar = stun_attr_get_first_by_type_str(buf, len, STUN_ATTRIBUTE_THIRD_PARTY_AUTHORIZATION); ------------------ | | 227| 14.0k|#define STUN_ATTRIBUTE_THIRD_PARTY_AUTHORIZATION (0x802E) ------------------ 709| 14.0k| if (sar) { ------------------ | Branch (709:15): [True: 3.53k, False: 10.5k] ------------------ 710| 3.53k| value = stun_attr_get_value(sar); 711| 3.53k| if (value) { ------------------ | Branch (711:17): [True: 3.53k, False: 2] ------------------ 712| 3.53k| vlen = (size_t)stun_attr_get_len(sar); 713| 3.53k| vlen = min(vlen, (size_t)STUN_MAX_SERVER_NAME_SIZE); ------------------ | | 138| 3.53k|#define min(a, b) ((a) <= (b) ? (a) : (b)) | | ------------------ | | | Branch (138:20): [True: 3.53k, False: 3] | | ------------------ ------------------ 714| 3.53k| if (vlen > 0) { ------------------ | Branch (714:19): [True: 3.53k, False: 0] ------------------ 715| 3.53k| if (server_name) { ------------------ | Branch (715:21): [True: 3.53k, False: 0] ------------------ 716| 3.53k| memcpy(server_name, value, vlen); 717| 3.53k| server_name[vlen] = 0; 718| 3.53k| } 719| 3.53k| found_oauth = true; 720| 3.53k| } 721| 3.53k| } 722| 3.53k| } 723| 14.0k| } 724| | 725| 14.0k| sar = stun_attr_get_first_by_type_str(buf, len, STUN_ATTRIBUTE_NONCE); ------------------ | | 107| 14.0k|#define STUN_ATTRIBUTE_NONCE (0x0015) ------------------ 726| 14.0k| if (sar) { ------------------ | Branch (726:13): [True: 10.5k, False: 3.54k] ------------------ 727| 10.5k| value = stun_attr_get_value(sar); 728| 10.5k| if (value) { ------------------ | Branch (728:15): [True: 10.5k, False: 2] ------------------ 729| 10.5k| vlen = (size_t)stun_attr_get_len(sar); 730| 10.5k| if (vlen > (size_t)STUN_MAX_NONCE_SIZE) { ------------------ | | 55| 10.5k|#define STUN_MAX_NONCE_SIZE (763) ------------------ | Branch (730:17): [True: 1, False: 10.5k] ------------------ 731| 1| return false; 732| 1| } 733| 10.5k| memcpy(nonce, value, vlen); 734| 10.5k| nonce[vlen] = 0; 735| 10.5k| if (oauth) { ------------------ | Branch (735:17): [True: 5.27k, False: 5.26k] ------------------ 736| 5.27k| *oauth = found_oauth; 737| 5.27k| } 738| 10.5k| return true; 739| 10.5k| } 740| 10.5k| } 741| 14.0k| } 742| 14.0k| } 743| 17.6k| } 744| | 745| 11.6k| return false; 746| 22.1k|} stun_is_indication_str: 761| 174|bool stun_is_indication_str(const uint8_t *buf, size_t len) { 762| 174| if (is_channel_msg_str(buf, len)) { ------------------ | Branch (762:7): [True: 0, False: 174] ------------------ 763| 0| return false; 764| 0| } 765| 174| return IS_STUN_INDICATION(stun_get_msg_type_str(buf, len)); ------------------ | | 63| 174|#define IS_STUN_INDICATION(msg_type) (((msg_type)&0x0110) == 0x0010) ------------------ 766| 174|} stun_make_request: 768| 8.77k|uint16_t stun_make_request(uint16_t method) { return GET_STUN_REQUEST(stun_make_type(method)); } ------------------ | | 67| 8.77k|#define GET_STUN_REQUEST(msg_type) (msg_type & 0xFEEF) ------------------ stun_make_error_response: 774| 10.5k|uint16_t stun_make_error_response(uint16_t method) { return GET_STUN_ERR_RESP(stun_make_type(method)); } ------------------ | | 70| 10.5k|#define GET_STUN_ERR_RESP(msg_type) (msg_type | 0x0110) ------------------ stun_init_buffer_str: 778| 19.3k|void stun_init_buffer_str(uint8_t *buf, size_t *len) { 779| 19.3k| *len = STUN_HEADER_LENGTH; ------------------ | | 46| 19.3k|#define STUN_HEADER_LENGTH (20) ------------------ 780| 19.3k| memset(buf, 0, *len); 781| 19.3k|} stun_init_command_str: 783| 19.3k|void stun_init_command_str(uint16_t message_type, uint8_t *buf, size_t *len) { 784| 19.3k| stun_init_buffer_str(buf, len); 785| 19.3k| message_type &= (uint16_t)(0x3FFF); 786| 19.3k| turn_write_u16(buf, message_type); 787| 19.3k| turn_write_u16(buf + 2, 0); 788| 19.3k| turn_write_u32(buf + 4, STUN_MAGIC_COOKIE); ------------------ | | 60| 19.3k|#define STUN_MAGIC_COOKIE (0x2112A442) ------------------ 789| | stun_tid_generate_in_message_str(buf, NULL); 790| 19.3k|} stun_init_request_str: 801| 8.77k|void stun_init_request_str(uint16_t method, uint8_t *buf, size_t *len) { 802| 8.77k| stun_init_command_str(stun_make_request(method), buf, len); 803| 8.77k|} get_default_reason: 823| 1.09k|const uint8_t *get_default_reason(int error_code) { 824| 1.09k| const char *reason = "Unknown error"; 825| | 826| 1.09k| switch (error_code) { 827| 0| case 300: ------------------ | Branch (827:3): [True: 0, False: 1.09k] ------------------ 828| 0| reason = "Try Alternate"; 829| 0| break; 830| 0| case 400: ------------------ | Branch (830:3): [True: 0, False: 1.09k] ------------------ 831| 0| reason = "Bad Request"; 832| 0| break; 833| 0| case 401: ------------------ | Branch (833:3): [True: 0, False: 1.09k] ------------------ 834| 0| reason = "Unauthorized"; 835| 0| break; 836| 0| case 403: ------------------ | Branch (836:3): [True: 0, False: 1.09k] ------------------ 837| 0| reason = "Forbidden"; 838| 0| break; 839| 0| case 404: ------------------ | Branch (839:3): [True: 0, False: 1.09k] ------------------ 840| 0| reason = "Not Found"; 841| 0| break; 842| 0| case 420: ------------------ | Branch (842:3): [True: 0, False: 1.09k] ------------------ 843| 0| reason = "Unknown Attribute"; 844| 0| break; 845| 0| case 437: ------------------ | Branch (845:3): [True: 0, False: 1.09k] ------------------ 846| 0| reason = "Allocation Mismatch"; 847| 0| break; 848| 0| case 438: ------------------ | Branch (848:3): [True: 0, False: 1.09k] ------------------ 849| 0| reason = "Stale Nonce"; 850| 0| break; 851| 1.09k| case 440: ------------------ | Branch (851:3): [True: 1.09k, False: 0] ------------------ 852| 1.09k| reason = "Address Family not Supported"; 853| 1.09k| break; 854| 0| case 441: ------------------ | Branch (854:3): [True: 0, False: 1.09k] ------------------ 855| 0| reason = "Wrong Credentials"; 856| 0| break; 857| 0| case 442: ------------------ | Branch (857:3): [True: 0, False: 1.09k] ------------------ 858| 0| reason = "Unsupported Transport Protocol"; 859| 0| break; 860| 0| case 443: ------------------ | Branch (860:3): [True: 0, False: 1.09k] ------------------ 861| 0| reason = "Peer Address Family Mismatch"; 862| 0| break; 863| 0| case 446: ------------------ | Branch (863:3): [True: 0, False: 1.09k] ------------------ 864| 0| reason = "Connection Already Exists"; 865| 0| break; 866| 0| case 447: ------------------ | Branch (866:3): [True: 0, False: 1.09k] ------------------ 867| 0| reason = "Connection Timeout or Failure"; 868| 0| break; 869| 0| case 486: ------------------ | Branch (869:3): [True: 0, False: 1.09k] ------------------ 870| 0| reason = "Allocation Quota Reached"; 871| 0| break; 872| 0| case 487: ------------------ | Branch (872:3): [True: 0, False: 1.09k] ------------------ 873| 0| reason = "Role Conflict"; 874| 0| break; 875| 0| case 500: ------------------ | Branch (875:3): [True: 0, False: 1.09k] ------------------ 876| 0| reason = "Server Error"; 877| 0| break; 878| 0| case 508: ------------------ | Branch (878:3): [True: 0, False: 1.09k] ------------------ 879| 0| reason = "Insufficient Capacity"; 880| 0| break; 881| 0| default:; ------------------ | Branch (881:3): [True: 0, False: 1.09k] ------------------ 882| 1.09k| }; 883| | 884| 1.09k| return (const uint8_t *)reason; 885| 1.09k|} stun_init_error_response_str: 931| 10.5k| const uint8_t *reason, stun_tid *id, bool include_reason_string) { 932| | 933| 10.5k| stun_init_command_str(stun_make_error_response(method), buf, len); 934| | 935| | stun_init_error_response_common_str(buf, len, error_code, reason, id, include_reason_string, false); 936| 10.5k|} stun_is_binding_request_str: 1378| 174|bool stun_is_binding_request_str(const uint8_t *buf, size_t len, size_t offset) { 1379| 174| if (offset < len) { ------------------ | Branch (1379:7): [True: 174, False: 0] ------------------ 1380| 174| buf += offset; 1381| 174| len -= offset; 1382| 174| if (stun_is_command_message_str(buf, len)) { ------------------ | Branch (1382:9): [True: 0, False: 174] ------------------ 1383| 0| if (stun_is_request_str(buf, len) && (stun_get_method_str(buf, len) == STUN_METHOD_BINDING)) { ------------------ | | 81| 0|#define STUN_METHOD_BINDING (0x0001) ------------------ | Branch (1383:11): [True: 0, False: 0] | Branch (1383:44): [True: 0, False: 0] ------------------ 1384| 0| return true; 1385| 0| } 1386| 0| } 1387| 174| } 1388| 174| return false; 1389| 174|} stun_is_binding_response_str: 1391| 174|bool stun_is_binding_response_str(const uint8_t *buf, size_t len) { 1392| 174| if (stun_is_command_message_str(buf, len) && (stun_get_method_str(buf, len) == STUN_METHOD_BINDING)) { ------------------ | | 81| 0|#define STUN_METHOD_BINDING (0x0001) ------------------ | Branch (1392:7): [True: 0, False: 174] | Branch (1392:48): [True: 0, False: 0] ------------------ 1393| 0| if (stun_is_response_str(buf, len)) { ------------------ | Branch (1393:9): [True: 0, False: 0] ------------------ 1394| 0| return true; 1395| 0| } 1396| 0| } 1397| 174| return false; 1398| 174|} stun_tid_from_message_str: 1436| 15.5k|void stun_tid_from_message_str(const uint8_t *buf, size_t len, stun_tid *id) { 1437| 15.5k| UNUSED_ARG(len); ------------------ | | 216| 15.5k| do { \ | | 217| 15.5k| A = A; \ | | 218| 15.5k| } while (0) | | ------------------ | | | Branch (218:12): [Folded, False: 15.5k] | | ------------------ ------------------ 1438| 15.5k| stun_tid_from_string(buf + 8, id); 1439| 15.5k|} stun_tid_message_cpy: 1441| 29.8k|void stun_tid_message_cpy(uint8_t *buf, const stun_tid *id) { 1442| 29.8k| if (buf && id) { ------------------ | Branch (1442:7): [True: 29.8k, False: 0] | Branch (1442:14): [True: 29.8k, False: 0] ------------------ 1443| 29.8k| stun_tid_string_cpy(buf + 8, id); 1444| 29.8k| } 1445| 29.8k|} stun_tid_generate: 1447| 19.3k|void stun_tid_generate(stun_tid *id) { 1448| 19.3k| if (id) { ------------------ | Branch (1448:7): [True: 19.3k, False: 0] ------------------ 1449| 19.3k| turn_random_tid_size(id->tsx_id); 1450| 19.3k| } 1451| 19.3k|} stun_tid_generate_in_message_str: 1453| 19.3k|void stun_tid_generate_in_message_str(uint8_t *buf, stun_tid *id) { 1454| 19.3k| stun_tid tmp; 1455| 19.3k| if (!id) { ------------------ | Branch (1455:7): [True: 19.3k, False: 0] ------------------ 1456| 19.3k| id = &tmp; 1457| 19.3k| } 1458| 19.3k| stun_tid_generate(id); 1459| 19.3k| stun_tid_message_cpy(buf, id); 1460| 19.3k|} stun_attr_get_type: 1484| 1.80M|int stun_attr_get_type(stun_attr_ref attr) { 1485| 1.80M| if (attr) { ------------------ | Branch (1485:7): [True: 1.80M, False: 0] ------------------ 1486| 1.80M| return (int)turn_read_u16(attr); 1487| 1.80M| } 1488| 0| return -1; 1489| 1.80M|} stun_attr_get_len: 1491| 3.48M|int stun_attr_get_len(stun_attr_ref attr) { 1492| 3.48M| if (attr) { ------------------ | Branch (1492:7): [True: 3.48M, False: 0] ------------------ 1493| 3.48M| return (int)turn_read_u16((const uint8_t *)attr + 2); 1494| 3.48M| } 1495| 0| return -1; 1496| 3.48M|} stun_attr_get_value: 1498| 86.7k|const uint8_t *stun_attr_get_value(stun_attr_ref attr) { 1499| 86.7k| if (attr) { ------------------ | Branch (1499:7): [True: 86.7k, False: 0] ------------------ 1500| 86.7k| const int len = (int)turn_read_u16((const uint8_t *)attr + 2); 1501| 86.7k| if (len < 1) { ------------------ | Branch (1501:9): [True: 21.7k, False: 65.0k] ------------------ 1502| 21.7k| return NULL; 1503| 21.7k| } 1504| 65.0k| return ((const uint8_t *)attr) + 4; 1505| 86.7k| } 1506| 0| return NULL; 1507| 86.7k|} stun_get_requested_address_family: 1509| 113|int stun_get_requested_address_family(stun_attr_ref attr) { 1510| 113| if (attr) { ------------------ | Branch (1510:7): [True: 113, False: 0] ------------------ 1511| 113| const int len = (int)turn_read_u16((const uint8_t *)attr + 2); 1512| 113| if (len != 4) { ------------------ | Branch (1512:9): [True: 78, False: 35] ------------------ 1513| 78| return STUN_ATTRIBUTE_REQUESTED_ADDRESS_FAMILY_VALUE_INVALID; ------------------ | | 171| 78|#define STUN_ATTRIBUTE_REQUESTED_ADDRESS_FAMILY_VALUE_INVALID (-1) ------------------ 1514| 78| } 1515| 35| const int val = ((const uint8_t *)attr)[4]; 1516| 35| switch (val) { 1517| 5| case STUN_ATTRIBUTE_REQUESTED_ADDRESS_FAMILY_VALUE_IPV4: ------------------ | | 168| 5|#define STUN_ATTRIBUTE_REQUESTED_ADDRESS_FAMILY_VALUE_IPV4 (0x01) ------------------ | Branch (1517:5): [True: 5, False: 30] ------------------ 1518| 9| case STUN_ATTRIBUTE_REQUESTED_ADDRESS_FAMILY_VALUE_IPV6: ------------------ | | 169| 9|#define STUN_ATTRIBUTE_REQUESTED_ADDRESS_FAMILY_VALUE_IPV6 (0x02) ------------------ | Branch (1518:5): [True: 4, False: 31] ------------------ 1519| 9| return val; 1520| 26| default: ------------------ | Branch (1520:5): [True: 26, False: 9] ------------------ 1521| 26| return STUN_ATTRIBUTE_REQUESTED_ADDRESS_FAMILY_VALUE_INVALID; ------------------ | | 171| 26|#define STUN_ATTRIBUTE_REQUESTED_ADDRESS_FAMILY_VALUE_INVALID (-1) ------------------ 1522| 35| }; 1523| 0| } 1524| 0| return STUN_ATTRIBUTE_REQUESTED_ADDRESS_FAMILY_VALUE_DEFAULT; ------------------ | | 170| 0|#define STUN_ATTRIBUTE_REQUESTED_ADDRESS_FAMILY_VALUE_DEFAULT (0x00) ------------------ 1525| 113|} stun_attr_get_channel_number: 1527| 3.16k|uint16_t stun_attr_get_channel_number(stun_attr_ref attr) { 1528| 3.16k| if (attr) { ------------------ | Branch (1528:7): [True: 3.16k, False: 0] ------------------ 1529| 3.16k| const uint8_t *value = stun_attr_get_value(attr); 1530| 3.16k| if (value && (stun_attr_get_len(attr) >= 2)) { ------------------ | Branch (1530:9): [True: 2.20k, False: 959] | Branch (1530:18): [True: 1.48k, False: 719] ------------------ 1531| 1.48k| const uint16_t cn = turn_read_u16(value); 1532| 1.48k| if (STUN_VALID_CHANNEL(cn)) { ------------------ | | 163| 1.48k|#define STUN_VALID_CHANNEL(chn) ((chn) >= 0x4000 && (chn) <= 0x7FFF) | | ------------------ | | | Branch (163:34): [True: 600, False: 882] | | | Branch (163:53): [True: 40, False: 560] | | ------------------ ------------------ 1533| 40| return cn; 1534| 40| } 1535| 1.48k| } 1536| 3.16k| } 1537| 3.12k| return 0; 1538| 3.16k|} stun_attr_get_bandwidth: 1540| 64|band_limit_t stun_attr_get_bandwidth(stun_attr_ref attr) { 1541| 64| if (attr) { ------------------ | Branch (1541:7): [True: 64, False: 0] ------------------ 1542| 64| const uint8_t *value = stun_attr_get_value(attr); 1543| 64| if (value && (stun_attr_get_len(attr) >= 4)) { ------------------ | Branch (1543:9): [True: 31, False: 33] | Branch (1543:18): [True: 17, False: 14] ------------------ 1544| 17| const uint32_t bps = turn_read_u32(value); 1545| 17| return (band_limit_t)(bps << 7); 1546| 17| } 1547| 64| } 1548| 47| return 0; 1549| 64|} stun_attr_get_reservation_token_value: 1551| 46|uint64_t stun_attr_get_reservation_token_value(stun_attr_ref attr) { 1552| 46| if (attr) { ------------------ | Branch (1552:7): [True: 46, False: 0] ------------------ 1553| 46| const uint8_t *value = stun_attr_get_value(attr); 1554| 46| if (value && (stun_attr_get_len(attr) == 8)) { ------------------ | Branch (1554:9): [True: 28, False: 18] | Branch (1554:18): [True: 2, False: 26] ------------------ 1555| 2| return turn_read_u64(value); 1556| 2| } 1557| 46| } 1558| 44| return 0; 1559| 46|} stun_attr_is_addr: 1561| 187k|bool stun_attr_is_addr(stun_attr_ref attr) { 1562| | 1563| 187k| if (attr) { ------------------ | Branch (1563:7): [True: 187k, False: 0] ------------------ 1564| 187k| switch (stun_attr_get_type(attr)) { 1565| 15.2k| case STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS: ------------------ | | 109| 15.2k|#define STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS (0x0020) ------------------ | Branch (1565:5): [True: 15.2k, False: 172k] ------------------ 1566| 27.1k| case STUN_ATTRIBUTE_XOR_PEER_ADDRESS: ------------------ | | 120| 27.1k|#define STUN_ATTRIBUTE_XOR_PEER_ADDRESS (0x0012) ------------------ | Branch (1566:5): [True: 11.9k, False: 175k] ------------------ 1567| 35.7k| case STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS: ------------------ | | 122| 35.7k|#define STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS (0x0016) ------------------ | Branch (1567:5): [True: 8.56k, False: 178k] ------------------ 1568| 51.2k| case STUN_ATTRIBUTE_MAPPED_ADDRESS: ------------------ | | 95| 51.2k|#define STUN_ATTRIBUTE_MAPPED_ADDRESS (0x0001) ------------------ | Branch (1568:5): [True: 15.4k, False: 171k] ------------------ 1569| 56.8k| case STUN_ATTRIBUTE_ALTERNATE_SERVER: ------------------ | | 114| 56.8k|#define STUN_ATTRIBUTE_ALTERNATE_SERVER (0x8023) ------------------ | Branch (1569:5): [True: 5.67k, False: 181k] ------------------ 1570| 60.3k| case OLD_STUN_ATTRIBUTE_RESPONSE_ADDRESS: ------------------ | | 96| 60.3k|#define OLD_STUN_ATTRIBUTE_RESPONSE_ADDRESS (0x0002) ------------------ | Branch (1570:5): [True: 3.46k, False: 183k] ------------------ 1571| 64.9k| case OLD_STUN_ATTRIBUTE_SOURCE_ADDRESS: ------------------ | | 98| 64.9k|#define OLD_STUN_ATTRIBUTE_SOURCE_ADDRESS (0x0004) ------------------ | Branch (1571:5): [True: 4.55k, False: 182k] ------------------ 1572| 69.9k| case OLD_STUN_ATTRIBUTE_CHANGED_ADDRESS: ------------------ | | 99| 69.9k|#define OLD_STUN_ATTRIBUTE_CHANGED_ADDRESS (0x0005) ------------------ | Branch (1572:5): [True: 5.02k, False: 182k] ------------------ 1573| 76.9k| case OLD_STUN_ATTRIBUTE_REFLECTED_FROM: ------------------ | | 105| 76.9k|#define OLD_STUN_ATTRIBUTE_REFLECTED_FROM (0x000B) ------------------ | Branch (1573:5): [True: 7.04k, False: 180k] ------------------ 1574| 83.7k| case STUN_ATTRIBUTE_RESPONSE_ORIGIN: ------------------ | | 136| 83.7k|#define STUN_ATTRIBUTE_RESPONSE_ORIGIN (0x802B) ------------------ | Branch (1574:5): [True: 6.80k, False: 180k] ------------------ 1575| 88.9k| case STUN_ATTRIBUTE_OTHER_ADDRESS: ------------------ | | 137| 88.9k|#define STUN_ATTRIBUTE_OTHER_ADDRESS (0x802C) ------------------ | Branch (1575:5): [True: 5.19k, False: 182k] ------------------ 1576| 88.9k| return true; 1577| 0| break; 1578| 98.2k| default:; ------------------ | Branch (1578:5): [True: 98.2k, False: 88.9k] ------------------ 1579| 187k| }; 1580| 98.2k| } 1581| 98.2k| return false; 1582| 187k|} stun_attr_get_even_port: 1584| 31|uint8_t stun_attr_get_even_port(stun_attr_ref attr) { 1585| 31| if (attr) { ------------------ | Branch (1585:7): [True: 31, False: 0] ------------------ 1586| 31| const uint8_t *value = stun_attr_get_value(attr); 1587| 31| if (value) { ------------------ | Branch (1587:9): [True: 18, False: 13] ------------------ 1588| 18| if ((uint8_t)(value[0]) > 0x7F) { ------------------ | Branch (1588:11): [True: 5, False: 13] ------------------ 1589| 5| return 1; 1590| 5| } 1591| 18| } 1592| 31| } 1593| 26| return 0; 1594| 31|} stun_attr_get_first_by_type_str: 1604| 158k|stun_attr_ref stun_attr_get_first_by_type_str(const uint8_t *buf, size_t len, uint16_t attr_type) { 1605| 158k| stun_attr_ref attr = stun_attr_get_first_str(buf, len); 1606| 1.58M| while (attr) { ------------------ | Branch (1606:10): [True: 1.48M, False: 102k] ------------------ 1607| 1.48M| if (stun_attr_get_type(attr) == attr_type) { ------------------ | Branch (1607:9): [True: 55.8k, False: 1.42M] ------------------ 1608| 55.8k| return attr; 1609| 55.8k| } 1610| 1.42M| attr = stun_attr_get_next_str(buf, len, attr); 1611| 1.42M| } 1612| | 1613| 102k| return NULL; 1614| 158k|} stun_attr_get_first_str: 1637| 169k|stun_attr_ref stun_attr_get_first_str(const uint8_t *buf, size_t len) { 1638| 169k| const int bufLen = stun_get_command_message_len_str(buf, len); 1639| 169k| if (bufLen > STUN_HEADER_LENGTH) { ------------------ | | 46| 169k|#define STUN_HEADER_LENGTH (20) ------------------ | Branch (1639:7): [True: 166k, False: 3.34k] ------------------ 1640| 166k| stun_attr_ref attr = (stun_attr_ref)(buf + STUN_HEADER_LENGTH); ------------------ | | 46| 166k|#define STUN_HEADER_LENGTH (20) ------------------ 1641| 166k| return stun_attr_check_valid(attr, bufLen - STUN_HEADER_LENGTH); ------------------ | | 46| 166k|#define STUN_HEADER_LENGTH (20) ------------------ 1642| 166k| } 1643| | 1644| 3.34k| return NULL; 1645| 169k|} stun_attr_get_next_str: 1647| 1.63M|stun_attr_ref stun_attr_get_next_str(const uint8_t *buf, size_t len, stun_attr_ref prev) { 1648| 1.63M| if (!prev) { ------------------ | Branch (1648:7): [True: 0, False: 1.63M] ------------------ 1649| 0| return stun_attr_get_first_str(buf, len); 1650| 1.63M| } else { 1651| 1.63M| const uint8_t *end = buf + stun_get_command_message_len_str(buf, len); 1652| 1.63M| int attrlen = stun_attr_get_len(prev); 1653| 1.63M| const uint16_t rem4 = ((uint16_t)attrlen) & 0x0003; 1654| 1.63M| if (rem4) { ------------------ | Branch (1654:9): [True: 361k, False: 1.27M] ------------------ 1655| 361k| attrlen = attrlen + 4 - (int)rem4; 1656| 361k| } 1657| | /* Note the order here: operations on attrlen are untrusted as they may overflow */ 1658| 1.63M| if (attrlen < end - (const uint8_t *)prev - 4) { ------------------ | Branch (1658:9): [True: 1.55M, False: 81.4k] ------------------ 1659| 1.55M| const uint8_t *attr_end = (const uint8_t *)prev + 4 + attrlen; 1660| 1.55M| return stun_attr_check_valid(attr_end, end - attr_end); 1661| 1.55M| } 1662| 81.4k| return NULL; 1663| 1.63M| } 1664| 1.63M|} stun_attr_add_str: 1666| 72.5k|bool stun_attr_add_str(uint8_t *buf, size_t *len, uint16_t attr, const uint8_t *avalue, int alen) { 1667| 72.5k| if (alen < 0) { ------------------ | Branch (1667:7): [True: 0, False: 72.5k] ------------------ 1668| 0| alen = 0; 1669| 0| } 1670| 72.5k| uint8_t tmp[1]; 1671| 72.5k| if (!avalue) { ------------------ | Branch (1671:7): [True: 1.09k, False: 71.4k] ------------------ 1672| 1.09k| alen = 0; 1673| 1.09k| avalue = tmp; 1674| 1.09k| } 1675| 72.5k| const int clen = stun_get_command_message_len_str(buf, *len); 1676| 72.5k| int newlen = clen + 4 + alen; 1677| 72.5k| const int newlenrem4 = newlen & 0x00000003; 1678| 72.5k| int paddinglen = 0; 1679| 72.5k| if (newlenrem4) { ------------------ | Branch (1679:7): [True: 28.8k, False: 43.6k] ------------------ 1680| 28.8k| paddinglen = 4 - newlenrem4; 1681| 28.8k| newlen = newlen + paddinglen; 1682| 28.8k| } 1683| | 1684| 72.5k| if (newlen >= MAX_STUN_MESSAGE_SIZE) { ------------------ | | 221| 72.5k|#define MAX_STUN_MESSAGE_SIZE (65507) ------------------ | Branch (1684:7): [True: 0, False: 72.5k] ------------------ 1685| 0| return false; 1686| 0| } 1687| | 1688| 72.5k| uint8_t *attr_start = buf + clen; 1689| | 1690| 72.5k| stun_set_command_message_len_str(buf, newlen); 1691| 72.5k| *len = newlen; 1692| | 1693| 72.5k| turn_write_u16(attr_start, attr); 1694| 72.5k| turn_write_u16(attr_start + 2, (uint16_t)alen); 1695| 72.5k| if (alen > 0) { ------------------ | Branch (1695:7): [True: 71.4k, False: 1.09k] ------------------ 1696| 71.4k| memcpy(attr_start + 4, avalue, alen); 1697| 71.4k| } 1698| | 1699| | // Write 0 padding to not leak data 1700| 72.5k| memset(attr_start + 4 + alen, 0, paddinglen); 1701| | 1702| | return true; 1703| 72.5k|} stun_attr_add_addr_str: 1705| 6.59k|bool stun_attr_add_addr_str(uint8_t *buf, size_t *len, uint16_t attr_type, const ioa_addr *ca) { 1706| | 1707| 6.59k| stun_tid tid; 1708| 6.59k| stun_tid_from_message_str(buf, *len, &tid); 1709| | 1710| 6.59k| int xor_ed = 0; 1711| 6.59k| switch (attr_type) { 1712| 2.19k| case STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS: ------------------ | | 109| 2.19k|#define STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS (0x0020) ------------------ | Branch (1712:3): [True: 2.19k, False: 4.39k] ------------------ 1713| 3.29k| case STUN_ATTRIBUTE_XOR_PEER_ADDRESS: ------------------ | | 120| 3.29k|#define STUN_ATTRIBUTE_XOR_PEER_ADDRESS (0x0012) ------------------ | Branch (1713:3): [True: 1.09k, False: 5.49k] ------------------ 1714| 5.49k| case STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS: ------------------ | | 122| 5.49k|#define STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS (0x0016) ------------------ | Branch (1714:3): [True: 2.19k, False: 4.39k] ------------------ 1715| 5.49k| xor_ed = 1; 1716| 5.49k| break; 1717| 1.09k| default:; ------------------ | Branch (1717:3): [True: 1.09k, False: 5.49k] ------------------ 1718| 6.59k| }; 1719| | 1720| 6.59k| ioa_addr public_addr; 1721| 6.59k| map_addr_from_private_to_public(ca, &public_addr); 1722| | 1723| 6.59k| uint8_t cfield[64]; 1724| 6.59k| int clen = 0; 1725| 6.59k| if (stun_addr_encode(&public_addr, cfield, &clen, xor_ed, STUN_MAGIC_COOKIE, tid.tsx_id) < 0) { ------------------ | | 60| 6.59k|#define STUN_MAGIC_COOKIE (0x2112A442) ------------------ | Branch (1725:7): [True: 0, False: 6.59k] ------------------ 1726| 0| return false; 1727| 0| } 1728| | 1729| 6.59k| if (!stun_attr_add_str(buf, len, attr_type, (uint8_t *)(&cfield), clen)) { ------------------ | Branch (1729:7): [True: 0, False: 6.59k] ------------------ 1730| 0| return false; 1731| 0| } 1732| | 1733| 6.59k| return true; 1734| 6.59k|} stun_attr_get_addr_str: 1737| 8.91k| const ioa_addr *default_addr) { 1738| 8.91k| stun_tid tid; 1739| 8.91k| stun_tid_from_message_str(buf, len, &tid); 1740| 8.91k| ioa_addr public_addr; 1741| | 1742| 8.91k| addr_set_any(ca); 1743| 8.91k| addr_set_any(&public_addr); 1744| | 1745| 8.91k| const int attr_type = stun_attr_get_type(attr); 1746| 8.91k| if (attr_type < 0) { ------------------ | Branch (1746:7): [True: 0, False: 8.91k] ------------------ 1747| 0| return false; 1748| 0| } 1749| | 1750| 8.91k| int xor_ed = 0; 1751| 8.91k| switch (attr_type) { 1752| 1.94k| case STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS: ------------------ | | 109| 1.94k|#define STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS (0x0020) ------------------ | Branch (1752:3): [True: 1.94k, False: 6.97k] ------------------ 1753| 3.47k| case STUN_ATTRIBUTE_XOR_PEER_ADDRESS: ------------------ | | 120| 3.47k|#define STUN_ATTRIBUTE_XOR_PEER_ADDRESS (0x0012) ------------------ | Branch (1753:3): [True: 1.53k, False: 7.38k] ------------------ 1754| 4.59k| case STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS: ------------------ | | 122| 4.59k|#define STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS (0x0016) ------------------ | Branch (1754:3): [True: 1.12k, False: 7.79k] ------------------ 1755| 4.59k| xor_ed = 1; 1756| 4.59k| break; 1757| 4.31k| default:; ------------------ | Branch (1757:3): [True: 4.31k, False: 4.59k] ------------------ 1758| 8.91k| }; 1759| | 1760| 8.91k| const uint8_t *cfield = stun_attr_get_value(attr); 1761| 8.91k| if (!cfield) { ------------------ | Branch (1761:7): [True: 5.47k, False: 3.43k] ------------------ 1762| 5.47k| return false; 1763| 5.47k| } 1764| | 1765| 3.43k| if (stun_addr_decode(&public_addr, cfield, stun_attr_get_len(attr), xor_ed, STUN_MAGIC_COOKIE, tid.tsx_id) < 0) { ------------------ | | 60| 3.43k|#define STUN_MAGIC_COOKIE (0x2112A442) ------------------ | Branch (1765:7): [True: 2.46k, False: 969] ------------------ 1766| 2.46k| return false; 1767| 2.46k| } 1768| | 1769| 969| map_addr_from_public_to_private(&public_addr, ca); 1770| | 1771| 969| if (default_addr && addr_any_no_port(ca) && !addr_any_no_port(default_addr)) { ------------------ | Branch (1771:7): [True: 0, False: 969] | Branch (1771:23): [True: 0, False: 0] | Branch (1771:47): [True: 0, False: 0] ------------------ 1772| 0| const uint16_t port = addr_get_port(ca); 1773| 0| addr_cpy(ca, default_addr); 1774| 0| addr_set_port(ca, port); 1775| 0| } 1776| | 1777| | return true; 1778| 3.43k|} stun_attr_get_first_addr_str: 1781| 8.98k| const ioa_addr *default_addr) { 1782| 8.98k| stun_attr_ref attr = stun_attr_get_first_str(buf, len); 1783| | 1784| 173k| while (attr) { ------------------ | Branch (1784:10): [True: 165k, False: 8.50k] ------------------ 1785| 165k| if (stun_attr_is_addr(attr) && (attr_type == stun_attr_get_type(attr))) { ------------------ | Branch (1785:9): [True: 78.5k, False: 86.8k] | Branch (1785:36): [True: 7.67k, False: 70.9k] ------------------ 1786| 7.67k| if (stun_attr_get_addr_str(buf, len, attr, ca, default_addr)) { ------------------ | Branch (1786:11): [True: 481, False: 7.19k] ------------------ 1787| 481| return true; 1788| 481| } 1789| 7.67k| } 1790| 164k| attr = stun_attr_get_next_str(buf, len, attr); 1791| 164k| } 1792| | 1793| 8.50k| return false; 1794| 8.98k|} stun_attr_add_channel_number_str: 1796| 1.09k|bool stun_attr_add_channel_number_str(uint8_t *buf, size_t *len, uint16_t chnumber) { 1797| | 1798| 1.09k| uint16_t field[2]; 1799| 1.09k| field[0] = nswap16(chnumber); ------------------ | | 86| 1.09k|#define nswap16(s) ntohs(s) ------------------ 1800| 1.09k| field[1] = 0; 1801| | 1802| 1.09k| return stun_attr_add_str(buf, len, STUN_ATTRIBUTE_CHANNEL_NUMBER, (uint8_t *)(field), sizeof(field)); ------------------ | | 117| 1.09k|#define STUN_ATTRIBUTE_CHANNEL_NUMBER (0x000C) ------------------ 1803| 1.09k|} stun_attr_add_bandwidth_str: 1805| 1.09k|bool stun_attr_add_bandwidth_str(uint8_t *buf, size_t *len, band_limit_t bps0) { 1806| | 1807| 1.09k| const uint32_t bps = (uint32_t)(band_limit_t)(bps0 >> 7); 1808| | 1809| 1.09k| uint32_t field = nswap32(bps); ------------------ | | 87| 1.09k|#define nswap32(ul) ntohl(ul) ------------------ 1810| | 1811| 1.09k| return stun_attr_add_str(buf, len, STUN_ATTRIBUTE_NEW_BANDWIDTH, (uint8_t *)(&field), sizeof(field)); ------------------ | | 52| 1.09k|#define STUN_ATTRIBUTE_NEW_BANDWIDTH (0x8000 + STUN_ATTRIBUTE_BANDWIDTH) | | ------------------ | | | | 119| 1.09k|#define STUN_ATTRIBUTE_BANDWIDTH (0x0010) | | ------------------ ------------------ 1812| 1.09k|} stun_attr_add_address_error_code: 1814| 1.09k|bool stun_attr_add_address_error_code(uint8_t *buf, size_t *len, int requested_address_family, int error_code) { 1815| 1.09k| const uint8_t *reason = get_default_reason(error_code); 1816| | 1817| 1.09k| uint8_t avalue[513] = {0}; 1818| 1.09k| avalue[0] = (uint8_t)requested_address_family; 1819| 1.09k| avalue[1] = 0; 1820| 1.09k| avalue[2] = (uint8_t)(error_code / 100); 1821| 1.09k| avalue[3] = (uint8_t)(error_code % 100); 1822| 1.09k| strncpy((char *)(avalue + 4), (const char *)reason, sizeof(avalue) - 4); 1823| 1.09k| avalue[sizeof(avalue) - 1] = 0; 1824| | 1825| | /* RFC 8489 Section 14: the declared length excludes padding. */ 1826| 1.09k| const int alen = 4 + (int)strlen((const char *)(avalue + 4)); 1827| | 1828| 1.09k| return stun_attr_add_str(buf, len, STUN_ATTRIBUTE_ADDRESS_ERROR_CODE, (uint8_t *)avalue, alen); ------------------ | | 145| 1.09k|#define STUN_ATTRIBUTE_ADDRESS_ERROR_CODE (0x8001) ------------------ 1829| 1.09k|} stun_attr_get_first_channel_number_str: 1831| 1.12k|uint16_t stun_attr_get_first_channel_number_str(const uint8_t *buf, size_t len) { 1832| | 1833| 1.12k| stun_attr_ref attr = stun_attr_get_first_str(buf, len); 1834| 22.8k| while (attr) { ------------------ | Branch (1834:10): [True: 21.7k, False: 1.10k] ------------------ 1835| 21.7k| if (stun_attr_get_type(attr) == STUN_ATTRIBUTE_CHANNEL_NUMBER) { ------------------ | | 117| 21.7k|#define STUN_ATTRIBUTE_CHANNEL_NUMBER (0x000C) ------------------ | Branch (1835:9): [True: 2.95k, False: 18.7k] ------------------ 1836| 2.95k| const uint16_t ret = stun_attr_get_channel_number(attr); 1837| 2.95k| if (STUN_VALID_CHANNEL(ret)) { ------------------ | | 163| 2.95k|#define STUN_VALID_CHANNEL(chn) ((chn) >= 0x4000 && (chn) <= 0x7FFF) | | ------------------ | | | Branch (163:34): [True: 21, False: 2.93k] | | | Branch (163:53): [True: 21, False: 0] | | ------------------ ------------------ 1838| 21| return ret; 1839| 21| } 1840| 2.95k| } 1841| 21.7k| attr = stun_attr_get_next_str(buf, len, attr); 1842| 21.7k| } 1843| | 1844| 1.10k| return 0; 1845| 1.12k|} stun_attr_add_fingerprint_str: 1849| 1.09k|bool stun_attr_add_fingerprint_str(uint8_t *buf, size_t *len) { 1850| 1.09k| uint32_t crc32 = 0; 1851| 1.09k| if (!stun_attr_add_str(buf, len, STUN_ATTRIBUTE_FINGERPRINT, (uint8_t *)&crc32, 4)) { ------------------ | | 115| 1.09k|#define STUN_ATTRIBUTE_FINGERPRINT (0x8028) ------------------ | Branch (1851:7): [True: 0, False: 1.09k] ------------------ 1852| 0| return false; 1853| 0| } 1854| 1.09k| crc32 = ns_crc32(buf, (int)*len - 8); 1855| 1.09k| turn_write_u32(buf + *len - 4, crc32 ^ ((uint32_t)FINGERPRINT_XOR)); ------------------ | | 53| 1.09k|#define FINGERPRINT_XOR 0x5354554e ------------------ 1856| | return true; 1857| 1.09k|} get_hmackey_size: 1950| 5.38k|size_t get_hmackey_size(SHATYPE shatype) { 1951| 5.38k| if (shatype == SHATYPE_SHA256) { ------------------ | Branch (1951:7): [True: 1.79k, False: 3.58k] ------------------ 1952| 1.79k| return 32; 1953| 1.79k| } 1954| 3.58k| if (shatype == SHATYPE_SHA384) { ------------------ | Branch (1954:7): [True: 729, False: 2.85k] ------------------ 1955| 729| return 48; 1956| 729| } 1957| 2.85k| if (shatype == SHATYPE_SHA512) { ------------------ | Branch (1957:7): [True: 934, False: 1.91k] ------------------ 1958| 934| return 64; 1959| 934| } 1960| 1.91k| return 16; 1961| 2.85k|} stun_attr_add_integrity_str: 1972| 7.02k| SHATYPE shatype) { 1973| 7.02k| uint8_t hmac[MAXSHASIZE] = {0}; 1974| | 1975| 7.02k| unsigned int shasize; 1976| | 1977| 7.02k| switch (shatype) { 1978| 2.35k| case SHATYPE_SHA256: ------------------ | Branch (1978:3): [True: 2.35k, False: 4.66k] ------------------ 1979| 2.35k| shasize = SHA256SIZEBYTES; ------------------ | | 184| 2.35k|#define SHA256SIZEBYTES (32) ------------------ 1980| 2.35k| break; 1981| 964| case SHATYPE_SHA384: ------------------ | Branch (1981:3): [True: 964, False: 6.05k] ------------------ 1982| 964| shasize = SHA384SIZEBYTES; ------------------ | | 185| 964|#define SHA384SIZEBYTES (48) ------------------ 1983| 964| break; 1984| 1.24k| case SHATYPE_SHA512: ------------------ | Branch (1984:3): [True: 1.24k, False: 5.78k] ------------------ 1985| 1.24k| shasize = SHA512SIZEBYTES; ------------------ | | 186| 1.24k|#define SHA512SIZEBYTES (64) ------------------ 1986| 1.24k| break; 1987| 2.46k| default: ------------------ | Branch (1987:3): [True: 2.46k, False: 4.56k] ------------------ 1988| 2.46k| shasize = SHA1SIZEBYTES; ------------------ | | 183| 2.46k|#define SHA1SIZEBYTES (20) ------------------ 1989| 7.02k| }; 1990| | 1991| 7.02k| if (!stun_attr_add_str(buf, len, STUN_ATTRIBUTE_MESSAGE_INTEGRITY, hmac, shasize)) { ------------------ | | 102| 7.02k|#define STUN_ATTRIBUTE_MESSAGE_INTEGRITY (0x0008) ------------------ | Branch (1991:7): [True: 0, False: 7.02k] ------------------ 1992| 0| return false; 1993| 0| } 1994| | 1995| 7.02k| if (ct == TURN_CREDENTIALS_SHORT_TERM) { ------------------ | Branch (1995:7): [True: 1.75k, False: 5.26k] ------------------ 1996| 1.75k| return stun_calculate_hmac(buf, *len - 4 - shasize, pwd, strlen((char *)pwd), buf + *len - shasize, &shasize, 1997| 1.75k| shatype); 1998| 5.26k| } else { 1999| 5.26k| return stun_calculate_hmac(buf, *len - 4 - shasize, key, get_hmackey_size(shatype), buf + *len - shasize, &shasize, 2000| 5.26k| shatype); 2001| 5.26k| } 2002| 7.02k|} stun_attr_add_integrity_by_key_str: 2005| 3.51k| hmackey_t key, const uint8_t *nonce, SHATYPE shatype) { 2006| 3.51k| if (!stun_attr_add_str(buf, len, STUN_ATTRIBUTE_USERNAME, uname, (int)strlen((const char *)uname))) { ------------------ | | 100| 3.51k|#define STUN_ATTRIBUTE_USERNAME (0x0006) ------------------ | Branch (2006:7): [True: 0, False: 3.51k] ------------------ 2007| 0| return false; 2008| 0| } 2009| | 2010| 3.51k| if (!stun_attr_add_str(buf, len, STUN_ATTRIBUTE_NONCE, nonce, (int)strlen((const char *)nonce))) { ------------------ | | 107| 3.51k|#define STUN_ATTRIBUTE_NONCE (0x0015) ------------------ | Branch (2010:7): [True: 0, False: 3.51k] ------------------ 2011| 0| return false; 2012| 0| } 2013| | 2014| 3.51k| if (!stun_attr_add_str(buf, len, STUN_ATTRIBUTE_REALM, realm, (int)strlen((const char *)realm))) { ------------------ | | 106| 3.51k|#define STUN_ATTRIBUTE_REALM (0x0014) ------------------ | Branch (2014:7): [True: 0, False: 3.51k] ------------------ 2015| 0| return false; 2016| 0| } 2017| | 2018| 3.51k| password_t p; 2019| 3.51k| return stun_attr_add_integrity_str(TURN_CREDENTIALS_LONG_TERM, buf, len, key, p, shatype); 2020| 3.51k|} stun_attr_add_integrity_by_user_str: 2023| 1.75k| const uint8_t *upwd, const uint8_t *nonce, SHATYPE shatype) { 2024| 1.75k| hmackey_t key; 2025| | 2026| 1.75k| if (!stun_produce_integrity_key_str(uname, realm, upwd, key, shatype)) { ------------------ | Branch (2026:7): [True: 0, False: 1.75k] ------------------ 2027| 0| return false; 2028| 0| } 2029| | 2030| 1.75k| return stun_attr_add_integrity_by_key_str(buf, len, uname, realm, key, nonce, shatype); 2031| 1.75k|} stun_attr_add_integrity_by_user_short_term_str: 2034| 1.75k| SHATYPE shatype) { 2035| 1.75k| if (stun_attr_add_str(buf, len, STUN_ATTRIBUTE_USERNAME, uname, (int)strlen((const char *)uname))) { ------------------ | | 100| 1.75k|#define STUN_ATTRIBUTE_USERNAME (0x0006) ------------------ | Branch (2035:7): [True: 1.75k, False: 0] ------------------ 2036| 1.75k| return false; 2037| 1.75k| } 2038| | 2039| 0| hmackey_t key; 2040| 0| return stun_attr_add_integrity_str(TURN_CREDENTIALS_SHORT_TERM, buf, len, key, pwd, shatype); 2041| 1.75k|} stun_check_message_integrity_by_key_str: 2047| 15.6k| password_t pwd, SHATYPE shatype) { 2048| 15.6k| stun_attr_ref sar = stun_attr_get_first_by_type_str(buf, len, STUN_ATTRIBUTE_MESSAGE_INTEGRITY); ------------------ | | 102| 15.6k|#define STUN_ATTRIBUTE_MESSAGE_INTEGRITY (0x0008) ------------------ 2049| 15.6k| if (!sar) { ------------------ | Branch (2049:7): [True: 14.3k, False: 1.37k] ------------------ 2050| 14.3k| return -1; 2051| 14.3k| } 2052| | 2053| 1.37k| unsigned int shasize = 0; 2054| 1.37k| switch (stun_attr_get_len(sar)) { 2055| 160| case SHA256SIZEBYTES: ------------------ | | 184| 160|#define SHA256SIZEBYTES (32) ------------------ | Branch (2055:3): [True: 160, False: 1.21k] ------------------ 2056| 160| shasize = SHA256SIZEBYTES; ------------------ | | 184| 160|#define SHA256SIZEBYTES (32) ------------------ 2057| 160| if (shatype != SHATYPE_SHA256) { ------------------ | Branch (2057:9): [True: 112, False: 48] ------------------ 2058| 112| return -1; 2059| 112| } 2060| 48| break; 2061| 60| case SHA384SIZEBYTES: ------------------ | | 185| 60|#define SHA384SIZEBYTES (48) ------------------ | Branch (2061:3): [True: 60, False: 1.31k] ------------------ 2062| 60| shasize = SHA384SIZEBYTES; ------------------ | | 185| 60|#define SHA384SIZEBYTES (48) ------------------ 2063| 60| if (shatype != SHATYPE_SHA384) { ------------------ | Branch (2063:9): [True: 48, False: 12] ------------------ 2064| 48| return -1; 2065| 48| } 2066| 12| break; 2067| 40| case SHA512SIZEBYTES: ------------------ | | 186| 40|#define SHA512SIZEBYTES (64) ------------------ | Branch (2067:3): [True: 40, False: 1.33k] ------------------ 2068| 40| shasize = SHA512SIZEBYTES; ------------------ | | 186| 40|#define SHA512SIZEBYTES (64) ------------------ 2069| 40| if (shatype != SHATYPE_SHA512) { ------------------ | Branch (2069:9): [True: 32, False: 8] ------------------ 2070| 32| return -1; 2071| 32| } 2072| 8| break; 2073| 740| case SHA1SIZEBYTES: ------------------ | | 183| 740|#define SHA1SIZEBYTES (20) ------------------ | Branch (2073:3): [True: 740, False: 630] ------------------ 2074| 740| shasize = SHA1SIZEBYTES; ------------------ | | 183| 740|#define SHA1SIZEBYTES (20) ------------------ 2075| 740| if (shatype != SHATYPE_SHA1) { ------------------ | Branch (2075:9): [True: 518, False: 222] ------------------ 2076| 518| return -1; 2077| 518| } 2078| 222| break; 2079| 370| default: ------------------ | Branch (2079:3): [True: 370, False: 1.00k] ------------------ 2080| 370| return -1; 2081| 1.37k| }; 2082| | 2083| 290| const int orig_len = stun_get_command_message_len_str(buf, len); 2084| 290| if (orig_len < 0) { ------------------ | Branch (2084:7): [True: 0, False: 290] ------------------ 2085| 0| return -1; 2086| 0| } 2087| | 2088| 290| const int new_len = (int)((const uint8_t *)sar - buf) + 4 + shasize; 2089| 290| if (new_len > orig_len) { ------------------ | Branch (2089:7): [True: 0, False: 290] ------------------ 2090| 0| return -1; 2091| 0| } 2092| | 2093| 290| if (!stun_set_command_message_len_str(buf, new_len)) { ------------------ | Branch (2093:7): [True: 0, False: 290] ------------------ 2094| 0| return -1; 2095| 0| } 2096| | 2097| 290| int res = 0; 2098| 290| uint8_t new_hmac[MAXSHASIZE] = {0}; 2099| 290| if (ct == TURN_CREDENTIALS_SHORT_TERM) { ------------------ | Branch (2099:7): [True: 174, False: 116] ------------------ 2100| 174| if (!stun_calculate_hmac(buf, (size_t)new_len - 4 - shasize, pwd, strlen((char *)pwd), new_hmac, &shasize, ------------------ | Branch (2100:9): [True: 0, False: 174] ------------------ 2101| 174| shatype)) { 2102| 0| res = -1; 2103| 174| } else { 2104| 174| res = 0; 2105| 174| } 2106| 174| } else { 2107| 116| if (!stun_calculate_hmac(buf, (size_t)new_len - 4 - shasize, key, get_hmackey_size(shatype), new_hmac, &shasize, ------------------ | Branch (2107:9): [True: 0, False: 116] ------------------ 2108| 116| shatype)) { 2109| 0| res = -1; 2110| 116| } else { 2111| 116| res = 0; 2112| 116| } 2113| 116| } 2114| | 2115| 290| stun_set_command_message_len_str(buf, orig_len); 2116| 290| if (res < 0) { ------------------ | Branch (2116:7): [True: 0, False: 290] ------------------ 2117| 0| return -1; 2118| 0| } 2119| | 2120| 290| const uint8_t *old_hmac = stun_attr_get_value(sar); 2121| 290| if (!old_hmac) { ------------------ | Branch (2121:7): [True: 0, False: 290] ------------------ 2122| 0| return -1; 2123| 0| } 2124| | 2125| | /* Use constant-time comparison: a short-circuiting memcmp leaks the matching prefix 2126| | length via response timing, allowing byte-by-byte HMAC recovery. */ 2127| 290| if (0 != CRYPTO_memcmp(old_hmac, new_hmac, shasize)) { ------------------ | Branch (2127:7): [True: 288, False: 2] ------------------ 2128| 288| return 0; 2129| 288| } 2130| | 2131| 2| return +1; 2132| 290|} stun_check_message_integrity_str: 2138| 15.6k| const uint8_t *realm, const uint8_t *upwd, SHATYPE shatype) { 2139| 15.6k| hmackey_t key; 2140| 15.6k| password_t pwd; 2141| | 2142| 15.6k| if (ct == TURN_CREDENTIALS_SHORT_TERM) { ------------------ | Branch (2142:7): [True: 7.84k, False: 7.84k] ------------------ 2143| 7.84k| strncpy((char *)pwd, (const char *)upwd, sizeof(password_t) - 1); 2144| 7.84k| pwd[sizeof(password_t) - 1] = 0; 2145| 7.84k| } else if (!stun_produce_integrity_key_str(uname, realm, upwd, key, shatype)) { ------------------ | Branch (2145:14): [True: 0, False: 7.84k] ------------------ 2146| 0| return -1; 2147| 0| } 2148| | 2149| 15.6k| return stun_check_message_integrity_by_key_str(ct, buf, len, key, pwd, shatype); 2150| 15.6k|} stun_attr_get_change_request_str: 2154| 52|bool stun_attr_get_change_request_str(stun_attr_ref attr, bool *change_ip, bool *change_port) { 2155| 52| if (stun_attr_get_len(attr) == 4) { ------------------ | Branch (2155:7): [True: 10, False: 42] ------------------ 2156| 10| const uint8_t *value = stun_attr_get_value(attr); 2157| 10| if (value) { ------------------ | Branch (2157:9): [True: 10, False: 0] ------------------ 2158| 10| *change_ip = (value[3] & 0x04); 2159| 10| *change_port = (value[3] & 0x02); 2160| 10| return true; 2161| 10| } 2162| 10| } 2163| 42| return false; 2164| 52|} stun_attr_add_change_request_str: 2166| 1.09k|bool stun_attr_add_change_request_str(uint8_t *buf, size_t *len, bool change_ip, bool change_port) { 2167| 1.09k| uint8_t avalue[4] = {0, 0, 0, 0}; 2168| | 2169| 1.09k| if (change_ip) { ------------------ | Branch (2169:7): [True: 1.09k, False: 0] ------------------ 2170| 1.09k| if (change_port) { ------------------ | Branch (2170:9): [True: 1.09k, False: 0] ------------------ 2171| 1.09k| avalue[3] = 0x06; 2172| 1.09k| } else { 2173| 0| avalue[3] = 0x04; 2174| 0| } 2175| 1.09k| } else if (change_port) { ------------------ | Branch (2175:14): [True: 0, False: 0] ------------------ 2176| 0| avalue[3] = 0x02; 2177| 0| } 2178| | 2179| 1.09k| return stun_attr_add_str(buf, len, STUN_ATTRIBUTE_CHANGE_REQUEST, avalue, 4); ------------------ | | 97| 1.09k|#define STUN_ATTRIBUTE_CHANGE_REQUEST (0x0003) ------------------ 2180| 1.09k|} stun_attr_get_response_port_str: 2182| 44|int stun_attr_get_response_port_str(stun_attr_ref attr) { 2183| 44| if (stun_attr_get_len(attr) >= 2) { ------------------ | Branch (2183:7): [True: 32, False: 12] ------------------ 2184| 32| const uint8_t *value = stun_attr_get_value(attr); 2185| 32| if (value) { ------------------ | Branch (2185:9): [True: 32, False: 0] ------------------ 2186| 32| return turn_read_u16(value); 2187| 32| } 2188| 32| } 2189| 12| return -1; 2190| 44|} stun_attr_add_response_port_str: 2192| 1.09k|bool stun_attr_add_response_port_str(uint8_t *buf, size_t *len, uint16_t port) { 2193| 1.09k| uint8_t avalue[4] = {0, 0, 0, 0}; 2194| 1.09k| turn_write_u16(avalue, port); 2195| | 2196| 1.09k| return stun_attr_add_str(buf, len, STUN_ATTRIBUTE_RESPONSE_PORT, avalue, 4); ------------------ | | 135| 1.09k|#define STUN_ATTRIBUTE_RESPONSE_PORT (0x0027) ------------------ 2197| 1.09k|} stun_attr_get_padding_len_str: 2199| 33|int stun_attr_get_padding_len_str(stun_attr_ref attr) { 2200| 33| const int len = stun_attr_get_len(attr); 2201| 33| if (len < 0) { ------------------ | Branch (2201:7): [True: 0, False: 33] ------------------ 2202| 0| return -1; 2203| 0| } 2204| 33| return (uint16_t)len; 2205| 33|} stun_attr_add_padding_str: 2207| 1.09k|bool stun_attr_add_padding_str(uint8_t *buf, size_t *len, uint16_t padding_len) { 2208| 1.09k| uint8_t avalue[0xFFFF]; 2209| 1.09k| memset(avalue, 0, padding_len); 2210| | 2211| 1.09k| return stun_attr_add_str(buf, len, STUN_ATTRIBUTE_PADDING, avalue, padding_len); ------------------ | | 134| 1.09k|#define STUN_ATTRIBUTE_PADDING (0x0026) ------------------ 2212| 1.09k|} ns_turn_msg.c:fuzz_prng_next: 112| 57.9k|static uint64_t fuzz_prng_next(void) { 113| 57.9k| static uint64_t state = UINT64_C(0x9e3779b97f4a7c15); 114| | 115| 57.9k| state += UINT64_C(0x9e3779b97f4a7c15); 116| 57.9k| uint64_t z = state; 117| 57.9k| z = (z ^ (z >> 30)) * UINT64_C(0xbf58476d1ce4e5b9); 118| | z = (z ^ (z >> 27)) * UINT64_C(0x94d049bb133111eb); 119| 57.9k| return z ^ (z >> 31); 120| 57.9k|} ns_turn_msg.c:stun_init_error_response_common_str: 888| 10.5k| stun_tid *id, bool include_reason_string, bool pad_reason_phrase) { 889| | 890| 10.5k| if (include_reason_string && (!reason || !strcmp((const char *)reason, "Unknown error"))) { ------------------ | Branch (890:7): [True: 10.5k, False: 0] | Branch (890:33): [True: 0, False: 10.5k] | Branch (890:44): [True: 0, False: 10.5k] ------------------ 891| 0| reason = get_default_reason(error_code); 892| 0| } 893| | 894| 10.5k| uint8_t avalue[513]; 895| 10.5k| memset(avalue, 0, sizeof(avalue)); 896| 10.5k| avalue[0] = 0; 897| 10.5k| avalue[1] = 0; 898| 10.5k| avalue[2] = (uint8_t)(error_code / 100); 899| 10.5k| avalue[3] = (uint8_t)(error_code % 100); 900| 10.5k| if (include_reason_string) { ------------------ | Branch (900:7): [True: 10.5k, False: 0] ------------------ 901| 10.5k| strncpy((char *)(avalue + 4), (const char *)reason, sizeof(avalue) - 4); 902| 10.5k| } 903| 10.5k| avalue[sizeof(avalue) - 1] = 0; 904| 10.5k| int alen = 4 + (int)strlen((const char *)(avalue + 4)); 905| | 906| | /* RFC 3489 Section 11.2.9 requires a reason phrase length that is a multiple of 4; 907| | * RFC 8489 Section 14 requires the declared length to exclude padding. */ 908| 10.5k| if (pad_reason_phrase) { ------------------ | Branch (908:7): [True: 0, False: 10.5k] ------------------ 909| 0| const int rem = alen % 4; 910| 0| if (rem) { ------------------ | Branch (910:9): [True: 0, False: 0] ------------------ 911| 0| alen += (4 - rem); 912| 0| } 913| 0| } 914| | 915| 10.5k| stun_attr_add_str(buf, len, STUN_ATTRIBUTE_ERROR_CODE, (uint8_t *)avalue, alen); ------------------ | | 103| 10.5k|#define STUN_ATTRIBUTE_ERROR_CODE (0x0009) ------------------ 916| 10.5k| if (id) { ------------------ | Branch (916:7): [True: 10.5k, False: 0] ------------------ 917| 10.5k| stun_tid_message_cpy(buf, id); 918| 10.5k| } 919| 10.5k|} ns_turn_msg.c:stun_tid_from_string: 1430| 15.5k|static void stun_tid_from_string(const uint8_t *s, stun_tid *id) { 1431| 15.5k| if (s && id) { ------------------ | Branch (1431:7): [True: 15.5k, False: 0] | Branch (1431:12): [True: 15.5k, False: 0] ------------------ 1432| 15.5k| memcpy(id->tsx_id, s, STUN_TID_SIZE); ------------------ | | 53| 15.5k|#define STUN_TID_SIZE (12) ------------------ 1433| 15.5k| } 1434| 15.5k|} ns_turn_msg.c:stun_tid_string_cpy: 1424| 29.8k|static void stun_tid_string_cpy(uint8_t *s, const stun_tid *id) { 1425| 29.8k| if (s && id) { ------------------ | Branch (1425:7): [True: 29.8k, False: 0] | Branch (1425:12): [True: 29.8k, False: 0] ------------------ 1426| 29.8k| memcpy(s, id->tsx_id, STUN_TID_SIZE); ------------------ | | 53| 29.8k|#define STUN_TID_SIZE (12) ------------------ 1427| 29.8k| } 1428| 29.8k|} ns_turn_msg.c:turn_random_tid_size: 154| 19.3k|static void turn_random_tid_size(void *id) { 155| 19.3k| uint8_t *ar = (uint8_t *)id; 156| 19.3k|#if defined(FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION) 157| 19.3k| if (ar) { ------------------ | Branch (157:7): [True: 19.3k, False: 0] ------------------ 158| 77.2k| for (size_t i = 0; i < 3; ++i) { ------------------ | Branch (158:24): [True: 57.9k, False: 19.3k] ------------------ 159| 57.9k| const uint32_t r = (uint32_t)turn_random_number(); 160| 57.9k| memcpy(ar + i * sizeof(r), &r, sizeof(r)); 161| 57.9k| } 162| 19.3k| } 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| 19.3k|} ns_turn_msg.c:stun_attr_check_valid: 1616| 1.72M|static stun_attr_ref stun_attr_check_valid(stun_attr_ref attr, size_t remaining) { 1617| 1.72M| if (remaining >= 4) { ------------------ | Branch (1617:7): [True: 1.72M, False: 110] ------------------ 1618| | /* Read the size of the attribute */ 1619| 1.72M| size_t attrlen = stun_attr_get_len(attr); 1620| 1.72M| remaining -= 4; 1621| | 1622| | /* Round to boundary */ 1623| 1.72M| const uint16_t rem4 = ((uint16_t)attrlen) & 0x0003; 1624| 1.72M| if (rem4) { ------------------ | Branch (1624:9): [True: 401k, False: 1.32M] ------------------ 1625| 401k| attrlen = attrlen + 4 - (int)rem4; 1626| 401k| } 1627| | 1628| | /* Check that there's enough space remaining */ 1629| 1.72M| if (attrlen <= remaining) { ------------------ | Branch (1629:9): [True: 1.69M, False: 28.4k] ------------------ 1630| 1.69M| return attr; 1631| 1.69M| } 1632| 1.72M| } 1633| | 1634| 28.6k| return NULL; 1635| 1.72M|} ns_turn_msg.c:stun_set_command_message_len_str: 537| 73.1k|static bool stun_set_command_message_len_str(uint8_t *buf, int len) { 538| 73.1k| if (len < STUN_HEADER_LENGTH) { ------------------ | | 46| 73.1k|#define STUN_HEADER_LENGTH (20) ------------------ | Branch (538:7): [True: 0, False: 73.1k] ------------------ 539| 0| return false; 540| 0| } 541| 73.1k| turn_write_u16(buf + 2, (uint16_t)(len - STUN_HEADER_LENGTH)); ------------------ | | 46| 73.1k|#define STUN_HEADER_LENGTH (20) ------------------ 542| | return true; 543| 73.1k|} ns_turn_msg.c:ns_crc32: 1896| 1.50k|static uint32_t ns_crc32(const uint8_t *buffer, uint32_t len) { 1897| 1.50k| uint32_t crc = CRC_MASK; ------------------ | | 1860| 1.50k|#define CRC_MASK 0xFFFFFFFFUL ------------------ 1898| 1.06M| while (len--) { ------------------ | Branch (1898:10): [True: 1.06M, False: 1.50k] ------------------ 1899| 1.06M| UPDATE_CRC(crc, *buffer++); ------------------ | | 1862| 1.06M|#define UPDATE_CRC(crc, c) crc = crctable[(uint8_t)crc ^ (uint8_t)(c)] ^ (crc >> 8) ------------------ 1900| 1.06M| } 1901| 1.50k| return (~crc); 1902| 1.50k|} stun_addr_encode: 42| 6.59k|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| 6.59k| if (!cfield || !clen || !ca || !tsx_id) { ------------------ | Branch (44:7): [True: 0, False: 6.59k] | Branch (44:18): [True: 0, False: 6.59k] | Branch (44:27): [True: 0, False: 6.59k] | Branch (44:34): [True: 0, False: 6.59k] ------------------ 45| 0| return -1; 46| 0| } 47| | 48| 6.59k| if (ca->ss.sa_family == AF_INET || ca->ss.sa_family == 0) { ------------------ | Branch (48:7): [True: 4.39k, False: 2.19k] | Branch (48:38): [True: 0, False: 2.19k] ------------------ 49| | 50| | /* IPv4 address */ 51| | 52| 4.39k| *clen = 8; 53| | 54| 4.39k| cfield[0] = 0; 55| 4.39k| cfield[1] = 1; // IPv4 family 56| | 57| 4.39k| if (xor_ed) { ------------------ | Branch (57:9): [True: 3.29k, False: 1.09k] ------------------ 58| | 59| | /* Port */ 60| 3.29k| const uint16_t port = (ca->s4.sin_port) ^ nswap16(mc >> 16); ------------------ | | 86| 3.29k|#define nswap16(s) ntohs(s) ------------------ 61| 3.29k| memcpy(cfield + 2, &port, sizeof(port)); 62| | 63| | /* Address */ 64| 3.29k| const uint32_t addr = (ca->s4.sin_addr.s_addr) ^ nswap32(mc); ------------------ | | 87| 3.29k|#define nswap32(ul) ntohl(ul) ------------------ 65| 3.29k| memcpy(cfield + 4, &addr, sizeof(addr)); 66| | 67| 3.29k| } else { 68| | 69| | /* Port */ 70| 1.09k| const uint16_t port = ca->s4.sin_port; 71| 1.09k| memcpy(cfield + 2, &port, sizeof(port)); 72| | 73| | /* Address */ 74| 1.09k| const uint32_t addr = ca->s4.sin_addr.s_addr; 75| 1.09k| memcpy(cfield + 4, &addr, sizeof(addr)); 76| 1.09k| } 77| | 78| 4.39k| } else if (ca->ss.sa_family == AF_INET6) { ------------------ | Branch (78:14): [True: 2.19k, False: 0] ------------------ 79| | 80| | /* IPv6 address */ 81| | 82| 2.19k| *clen = 20; 83| | 84| 2.19k| cfield[0] = 0; 85| 2.19k| cfield[1] = 2; // IPv6 family 86| | 87| 2.19k| if (xor_ed) { ------------------ | Branch (87:9): [True: 2.19k, False: 0] ------------------ 88| | 89| 2.19k| unsigned int i; 90| 2.19k| uint8_t *dst = ((uint8_t *)cfield) + 4; 91| 2.19k| const uint8_t *src = (const uint8_t *)&(ca->s6.sin6_addr); 92| 2.19k| uint32_t magic = nswap32(mc); ------------------ | | 87| 2.19k|#define nswap32(ul) ntohl(ul) ------------------ 93| | 94| | /* Port */ 95| 2.19k| const uint16_t port = ca->s6.sin6_port ^ nswap16(mc >> 16); ------------------ | | 86| 2.19k|#define nswap16(s) ntohs(s) ------------------ 96| 2.19k| memcpy(cfield + 2, &port, sizeof(port)); 97| | 98| | /* Address */ 99| | 100| 10.9k| for (i = 0; i < 4; ++i) { ------------------ | Branch (100:19): [True: 8.79k, False: 2.19k] ------------------ 101| 8.79k| dst[i] = (uint8_t)(src[i] ^ ((const uint8_t *)&magic)[i]); 102| 8.79k| } 103| 28.5k| for (i = 0; i < 12; ++i) { ------------------ | Branch (103:19): [True: 26.3k, False: 2.19k] ------------------ 104| 26.3k| dst[i + 4] = (uint8_t)(src[i + 4] ^ tsx_id[i]); 105| 26.3k| } 106| | 107| 2.19k| } 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| 2.19k| } else { 118| 0| return -1; 119| 0| } 120| | 121| 6.59k| return 0; 122| 6.59k|} stun_addr_decode: 124| 3.43k|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| 3.43k| if (!cfield || !len || !ca || !tsx_id || (len < 8)) { ------------------ | Branch (126:7): [True: 0, False: 3.43k] | Branch (126:18): [True: 0, False: 3.43k] | Branch (126:26): [True: 0, False: 3.43k] | Branch (126:33): [True: 0, False: 3.43k] | Branch (126:44): [True: 1.08k, False: 2.35k] ------------------ 127| 1.08k| return -1; 128| 1.08k| } 129| | 130| 2.35k| if (cfield[0] != 0) { ------------------ | Branch (130:7): [True: 387, False: 1.96k] ------------------ 131| 387| return -1; 132| 387| } 133| | 134| 1.96k| int sa_family; 135| | 136| 1.96k| if (cfield[1] == 1) { ------------------ | Branch (136:7): [True: 1.05k, False: 905] ------------------ 137| 1.05k| sa_family = AF_INET; 138| 1.05k| } else if (cfield[1] == 2) { ------------------ | Branch (138:14): [True: 477, False: 428] ------------------ 139| 477| sa_family = AF_INET6; 140| 477| } else { 141| 428| return -1; 142| 428| } 143| | 144| 1.53k| ca->ss.sa_family = sa_family; 145| | 146| 1.53k| if (sa_family == AF_INET) { ------------------ | Branch (146:7): [True: 1.05k, False: 477] ------------------ 147| | 148| 1.05k| if (len != 8) { ------------------ | Branch (148:9): [True: 325, False: 733] ------------------ 149| 325| return -1; 150| 325| } 151| | 152| | /* IPv4 address */ 153| | 154| | /* Port */ 155| 733| memcpy(&ca->s4.sin_port, cfield + 2, sizeof(ca->s4.sin_port)); 156| | 157| | /* Address */ 158| 733| memcpy(&ca->s4.sin_addr.s_addr, cfield + 4, sizeof(ca->s4.sin_addr.s_addr)); 159| | 160| 733| if (xor_ed) { ------------------ | Branch (160:9): [True: 263, False: 470] ------------------ 161| 263| ca->s4.sin_port ^= nswap16(mc >> 16); ------------------ | | 86| 263|#define nswap16(s) ntohs(s) ------------------ 162| 263| ca->s4.sin_addr.s_addr ^= nswap32(mc); ------------------ | | 87| 263|#define nswap32(ul) ntohl(ul) ------------------ 163| 263| } 164| | 165| 733| } else if (sa_family == AF_INET6) { ------------------ | Branch (165:14): [True: 477, False: 0] ------------------ 166| | 167| | /* IPv6 address */ 168| | 169| 477| if (len != 20) { ------------------ | Branch (169:9): [True: 241, False: 236] ------------------ 170| 241| return -1; 171| 241| } 172| | 173| | /* Port */ 174| 236| memcpy(&ca->s6.sin6_port, cfield + 2, sizeof(ca->s6.sin6_port)); 175| | 176| | /* Address */ 177| 236| memcpy(&ca->s6.sin6_addr, ((const uint8_t *)cfield) + 4, 16); 178| | 179| 236| if (xor_ed) { ------------------ | Branch (179:9): [True: 116, False: 120] ------------------ 180| | 181| 116| unsigned int i; 182| 116| uint8_t *dst; 183| 116| const uint8_t *src; 184| 116| uint32_t magic = nswap32(mc); ------------------ | | 87| 116|#define nswap32(ul) ntohl(ul) ------------------ 185| | 186| | /* Port */ 187| 116| ca->s6.sin6_port ^= nswap16(mc >> 16); ------------------ | | 86| 116|#define nswap16(s) ntohs(s) ------------------ 188| | 189| | /* Address */ 190| 116| src = ((const uint8_t *)cfield) + 4; 191| 116| dst = (uint8_t *)&ca->s6.sin6_addr; 192| 580| for (i = 0; i < 4; ++i) { ------------------ | Branch (192:19): [True: 464, False: 116] ------------------ 193| 464| dst[i] = (uint8_t)(src[i] ^ ((const uint8_t *)&magic)[i]); 194| 464| } 195| 1.50k| for (i = 0; i < 12; ++i) { ------------------ | Branch (195:19): [True: 1.39k, False: 116] ------------------ 196| 1.39k| dst[i + 4] = (uint8_t)(src[i + 4] ^ tsx_id[i]); 197| 1.39k| } 198| 116| } 199| | 200| 236| } else { 201| 0| return -1; 202| 0| } 203| | 204| 969| return 0; 205| 1.53k|} ns_turn_msg.c:turn_read_u16: 127| 7.33M|static inline uint16_t turn_read_u16(const void *field) { 128| 7.33M| uint16_t v; 129| 7.33M| memcpy(&v, field, sizeof(v)); 130| | return nswap16(v); ------------------ | | 86| 7.33M|#define nswap16(s) ntohs(s) ------------------ 131| 7.33M|} ns_turn_msg.c:turn_read_u32: 133| 14.8k|static inline uint32_t turn_read_u32(const void *field) { 134| 14.8k| uint32_t v; 135| 14.8k| memcpy(&v, field, sizeof(v)); 136| | return nswap32(v); ------------------ | | 87| 14.8k|#define nswap32(ul) ntohl(ul) ------------------ 137| 14.8k|} ns_turn_msg.c:turn_write_u16: 145| 257k|static inline void turn_write_u16(void *field, uint16_t v) { 146| | const uint16_t raw = nswap16(v); ------------------ | | 86| 257k|#define nswap16(s) ntohs(s) ------------------ 147| 257k| memcpy(field, &raw, sizeof(raw)); 148| 257k|} ns_turn_msg.c:turn_write_u32: 150| 20.4k|static inline void turn_write_u32(void *field, uint32_t v) { 151| | const uint32_t raw = nswap32(v); ------------------ | | 87| 20.4k|#define nswap32(ul) ntohl(ul) ------------------ 152| 20.4k| memcpy(field, &raw, sizeof(raw)); 153| 20.4k|} ns_turn_msg.c:_ioa_ntoh64: 90| 2|static inline uint64_t _ioa_ntoh64(uint64_t v) { 91| 2|#if BYTE_ORDER == LITTLE_ENDIAN 92| 2| uint8_t *src = (uint8_t *)&v; 93| 2| uint8_t *dst = src + 7; 94| 10| while (src < dst) { ------------------ | Branch (94:10): [True: 8, False: 2] ------------------ 95| 8| uint8_t vdst = *dst; 96| 8| *(dst--) = *src; 97| 8| *(src++) = vdst; 98| 8| } 99| |#elif BYTE_ORDER == BIG_ENDIAN 100| | /* OK */ 101| |#else 102| |#error WRONG BYTE_ORDER SETTING 103| |#endif 104| 2| return v; 105| 2|} ns_turn_msg.c:turn_read_u64: 139| 2|static inline uint64_t turn_read_u64(const void *field) { 140| 2| uint64_t v; 141| 2| memcpy(&v, field, sizeof(v)); 142| 2| return nswap64(v); ------------------ | | 88| 2|#define nswap64(ull) ioa_ntoh64(ull) | | ------------------ | | | | 115| 2|#define ioa_ntoh64 _ioa_ntoh64 | | ------------------ ------------------ 143| 2|}