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: 816| 1.76k|extern int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { 817| 1.76k| harness_stun_client(Data, Size); 818| 1.76k| harness_channel_data(Data, Size); 819| 1.76k| harness_addr_codec(Data, Size); 820| 1.76k| harness_message_builders(Data, Size); 821| 1.76k| harness_attr_get_first_addr(Data, Size); 822| 1.76k| harness_response_matrix(Data, Size); 823| 1.76k| harness_stun_buffer_api(Data, Size); 824| 1.76k| return 0; 825| 1.76k|} FuzzStunClient.c:harness_stun_client: 212| 1.76k|static void harness_stun_client(const uint8_t *Data, size_t Size) { 213| 1.76k| if (Size < 10 || Size > 5120) { ------------------ | Branch (213:7): [True: 511, False: 1.25k] | Branch (213:20): [True: 95, False: 1.16k] ------------------ 214| 606| return; 215| 606| } 216| | 217| 1.16k| stun_buffer buf; 218| 1.16k| buf.len = Size; 219| 1.16k| memcpy(buf.buf, Data, buf.len); 220| | 221| 1.16k| if (!stun_is_command_message(&buf)) { ------------------ | Branch (221:7): [True: 1.00k, False: 159] ------------------ 222| 1.00k| return; 223| 1.00k| } 224| | 225| 159| (void)stun_get_method_str(buf.buf, buf.len); 226| 159| (void)stun_get_msg_type_str(buf.buf, buf.len); 227| | 228| 159| if (stun_is_response(&buf) && stun_is_success_response(&buf) && stun_is_binding_response(&buf)) { ------------------ | Branch (228:7): [True: 146, False: 13] | Branch (228:33): [True: 42, False: 104] | Branch (228:67): [True: 9, False: 33] ------------------ 229| 9| return; 230| 9| } 231| | 232| 150| stun_is_indication_str(buf.buf, buf.len); 233| | 234| 150| int err_code = 0; 235| 150| uint8_t err_msg[256] = {0}; 236| 150| stun_is_error_response_str(buf.buf, buf.len, &err_code, err_msg, sizeof(err_msg)); 237| 150|} FuzzStunClient.c:harness_channel_data: 242| 1.76k|static void harness_channel_data(const uint8_t *Data, size_t Size) { 243| 1.76k| if (Size < 4 || Size > 8192) { ------------------ | Branch (243:7): [True: 291, False: 1.47k] | Branch (243:19): [True: 70, False: 1.40k] ------------------ 244| 361| return; 245| 361| } 246| | 247| 1.40k| uint8_t buf[8192] = {0}; 248| 1.40k| memcpy(buf, Data, Size); 249| | 250| 1.40k| size_t app_len_tcp = 0; 251| 1.40k| size_t app_len_udp = 0; 252| | 253| 1.40k| int mlen_tcp = stun_get_message_len_str(buf, Size, 1, &app_len_tcp); 254| 1.40k| int mlen_udp = stun_get_message_len_str(buf, Size, 0, &app_len_udp); 255| | 256| 1.40k| if (mlen_tcp > 0) { ------------------ | Branch (256:7): [True: 550, False: 858] ------------------ 257| 550| if (app_len_tcp > Size) { ------------------ | Branch (257:9): [True: 0, False: 550] ------------------ 258| 0| __builtin_trap(); 259| 0| } 260| 550| if ((size_t)mlen_tcp > Size) { ------------------ | Branch (260:9): [True: 0, False: 550] ------------------ 261| 0| __builtin_trap(); 262| 0| } 263| 550| if ((size_t)mlen_tcp < app_len_tcp) { ------------------ | Branch (263:9): [True: 0, False: 550] ------------------ 264| 0| __builtin_trap(); 265| 0| } 266| 550| } 267| | 268| 1.40k| if (mlen_udp > 0) { ------------------ | Branch (268:7): [True: 565, False: 843] ------------------ 269| 565| if (app_len_udp > Size) { ------------------ | Branch (269:9): [True: 0, False: 565] ------------------ 270| 0| __builtin_trap(); 271| 0| } 272| 565| if ((size_t)mlen_udp > Size) { ------------------ | Branch (272:9): [True: 0, False: 565] ------------------ 273| 0| __builtin_trap(); 274| 0| } 275| 565| } 276| | 277| 1.40k| size_t blen_tcp = Size; 278| 1.40k| uint16_t chn_tcp = 0; 279| 1.40k| bool is_chan_tcp = stun_is_channel_message_str(buf, &blen_tcp, &chn_tcp, true); 280| | 281| 1.40k| size_t blen_udp = Size; 282| 1.40k| uint16_t chn_udp = 0; 283| 1.40k| bool is_chan_udp = stun_is_channel_message_str(buf, &blen_udp, &chn_udp, false); 284| | 285| 1.40k| if (is_chan_tcp && (blen_tcp < 4 || blen_tcp > Size)) { ------------------ | Branch (285:7): [True: 95, False: 1.31k] | Branch (285:23): [True: 0, False: 95] | Branch (285:39): [True: 0, False: 95] ------------------ 286| 0| __builtin_trap(); 287| 0| } 288| 1.40k| if (is_chan_udp && (blen_udp < 4 || blen_udp > Size)) { ------------------ | Branch (288:7): [True: 98, False: 1.31k] | Branch (288:23): [True: 0, False: 98] | Branch (288:39): [True: 0, False: 98] ------------------ 289| 0| __builtin_trap(); 290| 0| } 291| 1.40k|} FuzzStunClient.c:harness_addr_codec: 296| 1.76k|static void harness_addr_codec(const uint8_t *Data, size_t Size) { 297| 1.76k| if (Size < 2 || Size > 64) { ------------------ | Branch (297:7): [True: 73, False: 1.69k] | Branch (297:19): [True: 499, False: 1.19k] ------------------ 298| 572| return; 299| 572| } 300| | 301| 1.19k| uint8_t tid[STUN_TID_SIZE] = {0}; 302| 1.19k| size_t tid_bytes = Size > (STUN_TID_SIZE + 2) ? STUN_TID_SIZE : (Size > 2 ? Size - 2 : 0); ------------------ | | 53| 1.19k|#define STUN_TID_SIZE (12) ------------------ size_t tid_bytes = Size > (STUN_TID_SIZE + 2) ? STUN_TID_SIZE : (Size > 2 ? Size - 2 : 0); ------------------ | | 53| 678|#define STUN_TID_SIZE (12) ------------------ | Branch (302:22): [True: 678, False: 519] | Branch (302:68): [True: 435, False: 84] ------------------ 303| 1.19k| memcpy(tid, Data, tid_bytes); 304| 1.19k| const uint8_t *payload = Data + tid_bytes; 305| 1.19k| int payload_len = (int)(Size - tid_bytes); 306| | 307| 1.19k| ioa_addr addr = {0}; 308| | 309| | /* XOR decode + round-trip */ 310| 1.19k| if (stun_addr_decode(&addr, payload, payload_len, 1, STUN_MAGIC_COOKIE, tid) == 0) { ------------------ | | 56| 1.19k|#define STUN_MAGIC_COOKIE (0x2112A442) ------------------ | Branch (310:7): [True: 11, False: 1.18k] ------------------ 311| 11| uint8_t enc_buf[32] = {0}; 312| 11| int enc_len = 0; 313| 11| if (stun_addr_encode(&addr, enc_buf, &enc_len, 1, STUN_MAGIC_COOKIE, tid) == 0) { ------------------ | | 56| 11|#define STUN_MAGIC_COOKIE (0x2112A442) ------------------ | Branch (313:9): [True: 11, False: 0] ------------------ 314| 11| ioa_addr addr2 = {0}; 315| 11| stun_addr_decode(&addr2, enc_buf, enc_len, 1, STUN_MAGIC_COOKIE, tid); ------------------ | | 56| 11|#define STUN_MAGIC_COOKIE (0x2112A442) ------------------ 316| 11| } 317| 11| } 318| | 319| | /* Plain decode + round-trip */ 320| 1.19k| memset(&addr, 0, sizeof(addr)); 321| 1.19k| if (stun_addr_decode(&addr, payload, payload_len, 0, 0, tid) == 0) { ------------------ | Branch (321:7): [True: 11, False: 1.18k] ------------------ 322| 11| uint8_t enc_buf[32] = {0}; 323| 11| int enc_len = 0; 324| 11| if (stun_addr_encode(&addr, enc_buf, &enc_len, 0, 0, tid) == 0) { ------------------ | Branch (324:9): [True: 11, False: 0] ------------------ 325| 11| ioa_addr addr2 = {0}; 326| 11| stun_addr_decode(&addr2, enc_buf, enc_len, 0, 0, tid); 327| 11| } 328| 11| } 329| | 330| | /* Alternate magic cookie (old STUN) */ 331| 1.19k| memset(&addr, 0, sizeof(addr)); 332| 1.19k| uint32_t alt_cookie = 0; 333| 1.19k| if (Size >= 4) { ------------------ | Branch (333:7): [True: 979, False: 218] ------------------ 334| 979| memcpy(&alt_cookie, Data, 4); 335| 979| } 336| 1.19k| (void)stun_addr_decode(&addr, payload, payload_len, 1, alt_cookie, tid); 337| 1.19k|} FuzzStunClient.c:harness_message_builders: 342| 1.76k|static void harness_message_builders(const uint8_t *Data, size_t Size) { 343| 1.76k| if (!Size || Size > 4096) { ------------------ | Branch (343:7): [True: 0, False: 1.76k] | Branch (343:16): [True: 140, False: 1.62k] ------------------ 344| 140| return; 345| 140| } 346| | 347| 1.62k| static const uint16_t kMethods[] = { 348| 1.62k| STUN_METHOD_ALLOCATE, STUN_METHOD_BINDING, STUN_METHOD_CHANNEL_BIND, STUN_METHOD_REFRESH, STUN_METHOD_CONNECT, ------------------ | | 78| 1.62k|#define STUN_METHOD_ALLOCATE (0x0003) ------------------ STUN_METHOD_ALLOCATE, STUN_METHOD_BINDING, STUN_METHOD_CHANNEL_BIND, STUN_METHOD_REFRESH, STUN_METHOD_CONNECT, ------------------ | | 77| 1.62k|#define STUN_METHOD_BINDING (0x0001) ------------------ STUN_METHOD_ALLOCATE, STUN_METHOD_BINDING, STUN_METHOD_CHANNEL_BIND, STUN_METHOD_REFRESH, STUN_METHOD_CONNECT, ------------------ | | 83| 1.62k|#define STUN_METHOD_CHANNEL_BIND (0x0009) ------------------ STUN_METHOD_ALLOCATE, STUN_METHOD_BINDING, STUN_METHOD_CHANNEL_BIND, STUN_METHOD_REFRESH, STUN_METHOD_CONNECT, ------------------ | | 79| 1.62k|#define STUN_METHOD_REFRESH (0x0004) ------------------ STUN_METHOD_ALLOCATE, STUN_METHOD_BINDING, STUN_METHOD_CHANNEL_BIND, STUN_METHOD_REFRESH, STUN_METHOD_CONNECT, ------------------ | | 86| 1.62k|#define STUN_METHOD_CONNECT (0x000a) ------------------ 349| 1.62k| }; 350| 1.62k| static const uint16_t kErrorCodes[] = { 351| 1.62k| 300, 400, 401, 403, 420, 437, 438, 440, 441, 442, 443, 446, 447, 486, 487, 500, 508, 699, 352| 1.62k| }; 353| | 354| 1.62k| stun_tid tid = {0}; 355| 1.62k| ioa_addr relay1 = {0}; 356| 1.62k| ioa_addr relay2 = {0}; 357| 1.62k| ioa_addr reflexive = {0}; 358| 1.62k| ioa_addr peer = {0}; 359| 1.62k| ioa_addr default_addr = {0}; 360| 1.62k| char reason[96] = {0}; 361| 1.62k| char mobile_id[96] = {0}; 362| 1.62k| uint8_t raw[MAX_STUN_MESSAGE_SIZE] = {0}; 363| | 364| 1.62k| fuzz_tid(Data, Size, 0, &tid); 365| 1.62k| fuzz_addr(Data, Size, 16, &relay1); 366| 1.62k| fuzz_addr(Data, Size, 40, &relay2); 367| 1.62k| fuzz_addr(Data, Size, 64, &reflexive); 368| 1.62k| fuzz_addr(Data, Size, 88, &peer); 369| 1.62k| fuzz_addr(Data, Size, 112, &default_addr); 370| 1.62k| fuzz_string(Data, Size, 136, reason, sizeof(reason)); 371| 1.62k| fuzz_string(Data, Size, 232, mobile_id, sizeof(mobile_id)); 372| | 373| 1.62k| const uint16_t method = kMethods[fuzz_byte(Data, Size, 328) % (sizeof(kMethods) / sizeof(kMethods[0]))]; 374| 1.62k| const uint16_t error_code = kErrorCodes[fuzz_byte(Data, Size, 329) % (sizeof(kErrorCodes) / sizeof(kErrorCodes[0]))]; 375| 1.62k| const uint32_t lifetime = fuzz_u32(Data, Size, 330); 376| 1.62k| const uint32_t max_lifetime = fuzz_u32(Data, Size, 334); 377| 1.62k| const uint64_t reservation_token = fuzz_u64(Data, Size, 338); 378| 1.62k| const uint16_t channel_number = fuzz_u16(Data, Size, 346); 379| 1.62k| const bool include_reason = fuzz_flag(Data, Size, 348); 380| 1.62k| const bool old_stun = fuzz_flag(Data, Size, 349); 381| 1.62k| const bool stun_backward_compatibility = fuzz_flag(Data, Size, 350); 382| 1.62k| const uint32_t old_cookie = fuzz_u32(Data, Size, 351); 383| | 384| | /* Direct wrapper coverage for stun_init_error_response(). */ 385| 1.62k| { 386| 1.62k| stun_buffer msg; 387| 1.62k| stun_init_buffer(&msg); 388| 1.62k| stun_init_error_response(method, &msg, error_code, reason[0] ? (const uint8_t *)reason : NULL, &tid, ------------------ | Branch (388:56): [True: 1.12k, False: 506] ------------------ 389| 1.62k| include_reason); 390| 1.62k| inspect_buffer_message(&msg, STUN_ATTRIBUTE_MAPPED_ADDRESS, &default_addr); ------------------ | | 91| 1.62k|#define STUN_ATTRIBUTE_MAPPED_ADDRESS (0x0001) ------------------ 391| 1.62k| } 392| | 393| | /* Success allocate response covers addr extraction; error allocate response 394| | * forces the shared error builder path. */ 395| 1.62k| { 396| 1.62k| stun_buffer msg; 397| 1.62k| stun_init_buffer(&msg); 398| 1.62k| (void)stun_set_allocate_response(&msg, &tid, &relay1, fuzz_flag(Data, Size, 355) ? &relay2 : NULL, &reflexive, ------------------ | Branch (398:59): [True: 602, False: 1.02k] ------------------ 399| 1.62k| lifetime, max_lifetime, 0, (const uint8_t *)reason, reservation_token, mobile_id, 400| 1.62k| include_reason); 401| 1.62k| inspect_buffer_message(&msg, STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS, &default_addr); ------------------ | | 118| 1.62k|#define STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS (0x0016) ------------------ 402| | 403| 1.62k| size_t raw_len = sizeof(raw); 404| 1.62k| (void)stun_set_allocate_response_str(raw, &raw_len, &tid, &relay1, &relay2, &reflexive, lifetime, max_lifetime, 0, 405| 1.62k| (const uint8_t *)reason, reservation_token, mobile_id, include_reason); 406| 1.62k| inspect_raw_message(raw, raw_len, STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS, &default_addr); ------------------ | | 118| 1.62k|#define STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS (0x0016) ------------------ 407| | 408| 1.62k| stun_init_buffer(&msg); 409| 1.62k| (void)stun_set_allocate_response(&msg, &tid, NULL, NULL, NULL, lifetime, max_lifetime, error_code, 410| 1.62k| reason[0] ? (const uint8_t *)reason : NULL, reservation_token, mobile_id, ------------------ | Branch (410:38): [True: 1.12k, False: 506] ------------------ 411| 1.62k| include_reason); 412| 1.62k| inspect_buffer_message(&msg, STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS, &default_addr); ------------------ | | 118| 1.62k|#define STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS (0x0016) ------------------ 413| | 414| 1.62k| raw_len = sizeof(raw); 415| 1.62k| (void)stun_set_allocate_response_str(raw, &raw_len, &tid, NULL, NULL, NULL, lifetime, max_lifetime, error_code, 416| 1.62k| reason[0] ? (const uint8_t *)reason : NULL, reservation_token, mobile_id, ------------------ | Branch (416:42): [True: 1.12k, False: 506] ------------------ 417| 1.62k| include_reason); 418| 1.62k| inspect_raw_message(raw, raw_len, STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS, &default_addr); ------------------ | | 118| 1.62k|#define STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS (0x0016) ------------------ 419| 1.62k| } 420| | 421| 1.62k| { 422| 1.62k| stun_buffer msg; 423| 1.62k| stun_init_buffer(&msg); 424| 1.62k| (void)stun_set_binding_response(&msg, &tid, &reflexive, 0, (const uint8_t *)reason, include_reason); 425| 1.62k| inspect_buffer_message(&msg, STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS, &default_addr); ------------------ | | 105| 1.62k|#define STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS (0x0020) ------------------ 426| | 427| 1.62k| size_t raw_len = sizeof(raw); 428| 1.62k| (void)stun_set_binding_response_str(raw, &raw_len, &tid, &reflexive, 0, (const uint8_t *)reason, old_cookie, 429| 1.62k| old_stun, stun_backward_compatibility, include_reason); 430| 1.62k| inspect_raw_message(raw, raw_len, old_stun ? STUN_ATTRIBUTE_MAPPED_ADDRESS : STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS, ------------------ | | 91| 661|#define STUN_ATTRIBUTE_MAPPED_ADDRESS (0x0001) ------------------ inspect_raw_message(raw, raw_len, old_stun ? STUN_ATTRIBUTE_MAPPED_ADDRESS : STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS, ------------------ | | 105| 2.59k|#define STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS (0x0020) ------------------ | Branch (430:39): [True: 661, False: 968] ------------------ 431| 1.62k| &default_addr); 432| | 433| 1.62k| stun_init_buffer(&msg); 434| 1.62k| (void)stun_set_binding_response(&msg, &tid, NULL, error_code, reason[0] ? (const uint8_t *)reason : NULL, ------------------ | Branch (434:67): [True: 1.12k, False: 506] ------------------ 435| 1.62k| include_reason); 436| 1.62k| inspect_buffer_message(&msg, STUN_ATTRIBUTE_MAPPED_ADDRESS, &default_addr); ------------------ | | 91| 1.62k|#define STUN_ATTRIBUTE_MAPPED_ADDRESS (0x0001) ------------------ 437| | 438| 1.62k| raw_len = sizeof(raw); 439| 1.62k| (void)stun_set_binding_response_str(raw, &raw_len, &tid, NULL, error_code, 440| 1.62k| reason[0] ? (const uint8_t *)reason : NULL, old_cookie, old_stun, ------------------ | Branch (440:41): [True: 1.12k, False: 506] ------------------ 441| 1.62k| stun_backward_compatibility, include_reason); 442| 1.62k| inspect_raw_message(raw, raw_len, STUN_ATTRIBUTE_MAPPED_ADDRESS, &default_addr); ------------------ | | 91| 1.62k|#define STUN_ATTRIBUTE_MAPPED_ADDRESS (0x0001) ------------------ 443| 1.62k| } 444| | 445| 1.62k| { 446| 1.62k| stun_buffer msg; 447| 1.62k| stun_init_buffer(&msg); 448| 1.62k| (void)stun_set_channel_bind_request(&msg, fuzz_flag(Data, Size, 356) ? &peer : NULL, channel_number); ------------------ | Branch (448:47): [True: 665, False: 964] ------------------ 449| 1.62k| inspect_buffer_message(&msg, STUN_ATTRIBUTE_XOR_PEER_ADDRESS, &default_addr); ------------------ | | 116| 1.62k|#define STUN_ATTRIBUTE_XOR_PEER_ADDRESS (0x0012) ------------------ 450| | 451| 1.62k| size_t raw_len = sizeof(raw); 452| 1.62k| (void)stun_set_channel_bind_request_str(raw, &raw_len, fuzz_flag(Data, Size, 357) ? &peer : NULL, channel_number); ------------------ | Branch (452:60): [True: 641, False: 988] ------------------ 453| 1.62k| inspect_raw_message(raw, raw_len, STUN_ATTRIBUTE_XOR_PEER_ADDRESS, &default_addr); ------------------ | | 116| 1.62k|#define STUN_ATTRIBUTE_XOR_PEER_ADDRESS (0x0012) ------------------ 454| | 455| 1.62k| stun_init_buffer(&msg); 456| 1.62k| stun_set_channel_bind_response(&msg, &tid, 0, (const uint8_t *)reason, include_reason); 457| 1.62k| inspect_buffer_message(&msg, STUN_ATTRIBUTE_XOR_PEER_ADDRESS, &default_addr); ------------------ | | 116| 1.62k|#define STUN_ATTRIBUTE_XOR_PEER_ADDRESS (0x0012) ------------------ 458| | 459| 1.62k| raw_len = sizeof(raw); 460| 1.62k| stun_set_channel_bind_response_str(raw, &raw_len, &tid, error_code, reason[0] ? (const uint8_t *)reason : NULL, ------------------ | Branch (460:73): [True: 1.12k, False: 506] ------------------ 461| 1.62k| include_reason); 462| 1.62k| inspect_raw_message(raw, raw_len, STUN_ATTRIBUTE_XOR_PEER_ADDRESS, &default_addr); ------------------ | | 116| 1.62k|#define STUN_ATTRIBUTE_XOR_PEER_ADDRESS (0x0012) ------------------ 463| 1.62k| } 464| 1.62k|} FuzzStunClient.c:fuzz_tid: 57| 4.88k|static void fuzz_tid(const uint8_t *Data, size_t Size, size_t idx, stun_tid *tid) { 58| 4.88k| if (!tid) { ------------------ | Branch (58:7): [True: 0, False: 4.88k] ------------------ 59| 0| return; 60| 0| } 61| | 62| 4.88k| memset(tid, 0, sizeof(*tid)); 63| 63.5k| for (size_t i = 0; i < STUN_TID_SIZE; ++i) { ------------------ | | 53| 63.5k|#define STUN_TID_SIZE (12) ------------------ | Branch (63:22): [True: 58.6k, False: 4.88k] ------------------ 64| 58.6k| tid->tsx_id[i] = fuzz_byte(Data, Size, idx + i); 65| 58.6k| } 66| 4.88k|} FuzzStunClient.c:fuzz_addr: 68| 20.5k|static void fuzz_addr(const uint8_t *Data, size_t Size, size_t idx, ioa_addr *addr) { 69| 20.5k| if (!addr) { ------------------ | Branch (69:7): [True: 0, False: 20.5k] ------------------ 70| 0| return; 71| 0| } 72| | 73| 20.5k| memset(addr, 0, sizeof(*addr)); 74| | 75| 20.5k| if (fuzz_flag(Data, Size, idx)) { ------------------ | Branch (75:7): [True: 8.38k, False: 12.1k] ------------------ 76| 8.38k| addr->s6.sin6_family = AF_INET6; 77| 8.38k| addr->s6.sin6_port = htons(fuzz_u16(Data, Size, idx + 1)); 78| 142k| for (size_t i = 0; i < 16; ++i) { ------------------ | Branch (78:24): [True: 134k, False: 8.38k] ------------------ 79| 134k| addr->s6.sin6_addr.s6_addr[i] = fuzz_byte(Data, Size, idx + 3 + i); 80| 134k| } 81| 8.38k| if (!memcmp(addr->s6.sin6_addr.s6_addr, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0", 16)) { ------------------ | Branch (81:9): [True: 49, False: 8.34k] ------------------ 82| 49| addr->s6.sin6_addr.s6_addr[15] = 1; 83| 49| } 84| 12.1k| } else { 85| 12.1k| addr->s4.sin_family = AF_INET; 86| 12.1k| addr->s4.sin_port = htons(fuzz_u16(Data, Size, idx + 1)); 87| | addr->s4.sin_addr.s_addr = htonl(fuzz_u32(Data, Size, idx + 3) | 1u); 88| 12.1k| } 89| 20.5k|} FuzzStunClient.c:fuzz_string: 42| 9.77k|static void fuzz_string(const uint8_t *Data, size_t Size, size_t idx, char *out, size_t out_size) { 43| 9.77k| if (!out || !out_size) { ------------------ | Branch (43:7): [True: 0, False: 9.77k] | Branch (43:15): [True: 0, False: 9.77k] ------------------ 44| 0| return; 45| 0| } 46| | 47| 9.77k| const size_t max_len = out_size - 1; 48| 9.77k| const size_t len = max_len ? (size_t)(fuzz_byte(Data, Size, idx) % (max_len + 1)) : 0; ------------------ | Branch (48:22): [True: 9.77k, False: 0] ------------------ 49| | 50| 257k| for (size_t i = 0; i < len; ++i) { ------------------ | Branch (50:22): [True: 247k, False: 9.77k] ------------------ 51| 247k| out[i] = (char)('A' + (fuzz_byte(Data, Size, idx + 1 + i) % 26)); 52| 247k| } 53| | 54| 9.77k| out[len] = '\0'; 55| 9.77k|} FuzzStunClient.c:fuzz_byte: 26| 664k|static uint8_t fuzz_byte(const uint8_t *Data, size_t Size, size_t idx) { return Size ? Data[idx % Size] : 0; } ------------------ | Branch (26:81): [True: 664k, False: 0] ------------------ FuzzStunClient.c:fuzz_u32: 32| 28.4k|static uint32_t fuzz_u32(const uint8_t *Data, size_t Size, size_t idx) { 33| 28.4k| return ((uint32_t)fuzz_u16(Data, Size, idx) << 16) | (uint32_t)fuzz_u16(Data, Size, idx + 2); 34| 28.4k|} FuzzStunClient.c:fuzz_u64: 36| 3.25k|static uint64_t fuzz_u64(const uint8_t *Data, size_t Size, size_t idx) { 37| 3.25k| return ((uint64_t)fuzz_u32(Data, Size, idx) << 32) | (uint64_t)fuzz_u32(Data, Size, idx + 4); 38| 3.25k|} FuzzStunClient.c:fuzz_u16: 28| 84.0k|static uint16_t fuzz_u16(const uint8_t *Data, size_t Size, size_t idx) { 29| 84.0k| return (uint16_t)(((uint16_t)fuzz_byte(Data, Size, idx) << 8) | (uint16_t)fuzz_byte(Data, Size, idx + 1)); 30| 84.0k|} FuzzStunClient.c:fuzz_flag: 40| 36.8k|static bool fuzz_flag(const uint8_t *Data, size_t Size, size_t idx) { return (fuzz_byte(Data, Size, idx) & 1u) != 0; } FuzzStunClient.c:inspect_buffer_message: 91| 40.7k|static void inspect_buffer_message(stun_buffer *msg, uint16_t addr_attr_type, const ioa_addr *default_addr) { 92| 40.7k| if (!msg) { ------------------ | Branch (92:7): [True: 0, False: 40.7k] ------------------ 93| 0| return; 94| 0| } 95| | 96| 40.7k| (void)stun_get_command_message_len(msg); 97| 40.7k| (void)stun_is_command_message(msg); 98| 40.7k| (void)stun_is_request(msg); 99| 40.7k| (void)stun_is_response(msg); 100| 40.7k| (void)stun_is_success_response(msg); 101| 40.7k| (void)stun_is_binding_response(msg); 102| 40.7k| (void)stun_get_method(msg); 103| 40.7k| (void)stun_get_msg_type(msg); 104| | 105| 40.7k| { 106| 40.7k| int err_code = 0; 107| 40.7k| uint8_t err_msg[256] = {0}; 108| 40.7k| (void)stun_is_error_response(msg, &err_code, err_msg, sizeof(err_msg)); 109| 40.7k| } 110| | 111| 40.7k| { 112| 40.7k| ioa_addr parsed = {0}; 113| 40.7k| (void)stun_attr_get_first_addr(msg, addr_attr_type, &parsed, default_addr); 114| 40.7k| } 115| | 116| 40.7k| { 117| 40.7k| stun_attr_ref attr = stun_attr_get_first(msg); 118| 111k| while (attr) { ------------------ | Branch (118:12): [True: 71.2k, False: 40.7k] ------------------ 119| 71.2k| (void)stun_attr_get_type(attr); 120| 71.2k| (void)stun_attr_get_len(attr); 121| 71.2k| if (stun_attr_is_addr(attr)) { ------------------ | Branch (121:11): [True: 23.4k, False: 47.8k] ------------------ 122| 23.4k| ioa_addr parsed = {0}; 123| 23.4k| (void)stun_attr_get_addr(msg, attr, &parsed, default_addr); 124| 23.4k| } 125| 71.2k| attr = stun_attr_get_next(msg, attr); 126| 71.2k| } 127| 40.7k| } 128| | 129| 40.7k| (void)stun_attr_get_first_channel_number(msg); 130| 40.7k|} FuzzStunClient.c:inspect_raw_message: 132| 34.2k|static void inspect_raw_message(const uint8_t *buf, size_t len, uint16_t addr_attr_type, const ioa_addr *default_addr) { 133| 34.2k| if (!buf || !len) { ------------------ | Branch (133:7): [True: 0, False: 34.2k] | Branch (133:15): [True: 0, False: 34.2k] ------------------ 134| 0| return; 135| 0| } 136| | 137| 34.2k| (void)stun_is_command_message_str((uint8_t *)buf, len); 138| 34.2k| (void)stun_is_request_str(buf, len); 139| 34.2k| (void)stun_is_response_str(buf, len); 140| 34.2k| (void)stun_is_success_response_str(buf, len); 141| 34.2k| (void)stun_is_binding_response_str(buf, len); 142| 34.2k| (void)stun_get_method_str(buf, len); 143| 34.2k| (void)stun_get_msg_type_str(buf, len); 144| | 145| 34.2k| { 146| 34.2k| int err_code = 0; 147| 34.2k| uint8_t err_msg[256] = {0}; 148| 34.2k| (void)stun_is_error_response_str(buf, len, &err_code, err_msg, sizeof(err_msg)); 149| 34.2k| } 150| | 151| 34.2k| { 152| 34.2k| ioa_addr parsed = {0}; 153| 34.2k| (void)stun_attr_get_first_addr_str(buf, len, addr_attr_type, &parsed, default_addr); 154| 34.2k| } 155| | 156| 34.2k| { 157| 34.2k| stun_attr_ref attr = stun_attr_get_first_str(buf, len); 158| 88.5k| while (attr) { ------------------ | Branch (158:12): [True: 54.2k, False: 34.2k] ------------------ 159| 54.2k| (void)stun_attr_get_type(attr); 160| 54.2k| (void)stun_attr_get_len(attr); 161| 54.2k| if (stun_attr_is_addr(attr)) { ------------------ | Branch (161:11): [True: 24.4k, False: 29.8k] ------------------ 162| 24.4k| ioa_addr parsed = {0}; 163| 24.4k| (void)stun_attr_get_addr_str(buf, len, attr, &parsed, default_addr); 164| 24.4k| } 165| 54.2k| attr = stun_attr_get_next_str(buf, len, attr); 166| 54.2k| } 167| 34.2k| } 168| | 169| 34.2k| (void)stun_attr_get_first_channel_number_str(buf, len); 170| 34.2k|} FuzzStunClient.c:harness_attr_get_first_addr: 187| 1.76k|static void harness_attr_get_first_addr(const uint8_t *Data, size_t Size) { 188| 1.76k| if (Size < STUN_HEADER_LENGTH || Size > 5120) { ------------------ | | 46| 3.53k|#define STUN_HEADER_LENGTH (20) ------------------ | Branch (188:7): [True: 634, False: 1.13k] | Branch (188:36): [True: 95, False: 1.04k] ------------------ 189| 729| return; 190| 729| } 191| | 192| 1.04k| stun_buffer msg; 193| 1.04k| msg.len = Size; 194| 1.04k| memcpy(msg.buf, Data, Size); 195| | 196| 1.04k| ioa_addr default_addr = {0}; 197| 1.04k| fuzz_addr(Data, Size, 0, &default_addr); 198| | 199| 1.04k| const size_t num_attrs = sizeof(kFirstAddrAttrs) / sizeof(kFirstAddrAttrs[0]); 200| 9.36k| for (size_t i = 0; i < num_attrs; ++i) { ------------------ | Branch (200:22): [True: 8.32k, False: 1.04k] ------------------ 201| 8.32k| ioa_addr parsed = {0}; 202| 8.32k| (void)stun_attr_get_first_addr(&msg, kFirstAddrAttrs[i], &parsed, NULL); 203| | 204| 8.32k| memset(&parsed, 0, sizeof(parsed)); 205| 8.32k| (void)stun_attr_get_first_addr(&msg, kFirstAddrAttrs[i], &parsed, &default_addr); 206| 8.32k| } 207| 1.04k|} FuzzStunClient.c:harness_response_matrix: 477| 1.76k|static void harness_response_matrix(const uint8_t *Data, size_t Size) { 478| 1.76k| if (!Size || Size > 4096) { ------------------ | Branch (478:7): [True: 0, False: 1.76k] | Branch (478:16): [True: 140, False: 1.62k] ------------------ 479| 140| return; 480| 140| } 481| | 482| 1.62k| stun_tid tid = {0}; 483| 1.62k| ioa_addr relay1 = {0}; 484| 1.62k| ioa_addr relay2 = {0}; 485| 1.62k| ioa_addr reflexive = {0}; 486| 1.62k| ioa_addr peer = {0}; 487| 1.62k| ioa_addr default_addr = {0}; 488| 1.62k| char reason[96] = {0}; 489| 1.62k| char mobile_id[96] = {0}; 490| 1.62k| uint8_t raw[MAX_STUN_MESSAGE_SIZE] = {0}; 491| | 492| 1.62k| fuzz_tid(Data, Size, 0, &tid); 493| 1.62k| fuzz_addr(Data, Size, 16, &relay1); 494| 1.62k| fuzz_addr(Data, Size, 40, &relay2); 495| 1.62k| fuzz_addr(Data, Size, 64, &reflexive); 496| 1.62k| fuzz_addr(Data, Size, 88, &peer); 497| 1.62k| fuzz_addr(Data, Size, 112, &default_addr); 498| 1.62k| fuzz_string(Data, Size, 136, reason, sizeof(reason)); 499| 1.62k| fuzz_string(Data, Size, 232, mobile_id, sizeof(mobile_id)); 500| | 501| 1.62k| const uint32_t max_lifetime = fuzz_u32(Data, Size, 328) | 1u; 502| 1.62k| const uint64_t reservation_token = fuzz_u64(Data, Size, 332) | 1ull; 503| 1.62k| const uint16_t channel_number_valid = (uint16_t)(0x4000u + (fuzz_u16(Data, Size, 340) % (0x7FFFu - 0x4000u + 1u))); 504| 1.62k| const uint32_t old_cookie = fuzz_u32(Data, Size, 344); 505| | 506| | /* stun_init_error_response — cover (reason NULL vs set) × (include reason). */ 507| 1.62k| { 508| 1.62k| stun_buffer msg; 509| 1.62k| stun_init_buffer(&msg); 510| 1.62k| stun_init_error_response(STUN_METHOD_ALLOCATE, &msg, 437, NULL, &tid, false); ------------------ | | 78| 1.62k|#define STUN_METHOD_ALLOCATE (0x0003) ------------------ 511| 1.62k| inspect_buffer_message(&msg, STUN_ATTRIBUTE_MAPPED_ADDRESS, &default_addr); ------------------ | | 91| 1.62k|#define STUN_ATTRIBUTE_MAPPED_ADDRESS (0x0001) ------------------ 512| | 513| 1.62k| stun_init_buffer(&msg); 514| 1.62k| stun_init_error_response(STUN_METHOD_BINDING, &msg, 400, (const uint8_t *)reason, &tid, true); ------------------ | | 77| 1.62k|#define STUN_METHOD_BINDING (0x0001) ------------------ 515| 1.62k| inspect_buffer_message(&msg, STUN_ATTRIBUTE_MAPPED_ADDRESS, &default_addr); ------------------ | | 91| 1.62k|#define STUN_ATTRIBUTE_MAPPED_ADDRESS (0x0001) ------------------ 516| 1.62k| } 517| | 518| | /* stun_set_allocate_response / _str — cover every optional-field branch and 519| | * the error path independently of the fuzzer selectors. */ 520| 1.62k| { 521| 1.62k| stun_buffer msg; 522| | 523| | /* Minimal success: relay1 only, no reflexive, no reservation, no mobile id, 524| | * lifetime 0 (triggers the <1 default branch). */ 525| 1.62k| stun_init_buffer(&msg); 526| 1.62k| (void)stun_set_allocate_response(&msg, &tid, &relay1, NULL, NULL, 0, max_lifetime, 0, NULL, 0, NULL, false); 527| 1.62k| inspect_buffer_message(&msg, STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS, &default_addr); ------------------ | | 118| 1.62k|#define STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS (0x0016) ------------------ 528| | 529| 1.62k| size_t raw_len = sizeof(raw); 530| 1.62k| (void)stun_set_allocate_response_str(raw, &raw_len, &tid, &relay1, NULL, NULL, 0, max_lifetime, 0, NULL, 0, NULL, 531| 1.62k| false); 532| 1.62k| inspect_raw_message(raw, raw_len, STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS, &default_addr); ------------------ | | 118| 1.62k|#define STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS (0x0016) ------------------ 533| | 534| | /* Full success: both relays + reflexive + reservation + mobile id, 535| | * lifetime > max (triggers clamp branch). */ 536| 1.62k| stun_init_buffer(&msg); 537| 1.62k| (void)stun_set_allocate_response(&msg, &tid, &relay1, &relay2, &reflexive, max_lifetime + 1, max_lifetime, 0, 538| 1.62k| (const uint8_t *)reason, reservation_token, mobile_id, true); 539| 1.62k| inspect_buffer_message(&msg, STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS, &default_addr); ------------------ | | 118| 1.62k|#define STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS (0x0016) ------------------ 540| | 541| 1.62k| raw_len = sizeof(raw); 542| 1.62k| (void)stun_set_allocate_response_str(raw, &raw_len, &tid, &relay1, &relay2, &reflexive, max_lifetime + 1, 543| 1.62k| max_lifetime, 0, (const uint8_t *)reason, reservation_token, mobile_id, true); 544| 1.62k| inspect_raw_message(raw, raw_len, STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS, &default_addr); ------------------ | | 118| 1.62k|#define STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS (0x0016) ------------------ 545| | 546| | /* Error path with and without a reason string. */ 547| 1.62k| stun_init_buffer(&msg); 548| 1.62k| (void)stun_set_allocate_response(&msg, &tid, NULL, NULL, NULL, 0, max_lifetime, 441, NULL, 0, NULL, false); 549| 1.62k| inspect_buffer_message(&msg, STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS, &default_addr); ------------------ | | 118| 1.62k|#define STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS (0x0016) ------------------ 550| | 551| 1.62k| raw_len = sizeof(raw); 552| 1.62k| (void)stun_set_allocate_response_str(raw, &raw_len, &tid, NULL, NULL, NULL, 0, max_lifetime, 508, 553| 1.62k| (const uint8_t *)reason, 0, NULL, true); 554| 1.62k| inspect_raw_message(raw, raw_len, STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS, &default_addr); ------------------ | | 118| 1.62k|#define STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS (0x0016) ------------------ 555| 1.62k| } 556| | 557| | /* stun_set_binding_response / _str — cover success × error × old_stun. */ 558| 1.62k| { 559| 1.62k| stun_buffer msg; 560| | 561| 1.62k| stun_init_buffer(&msg); 562| 1.62k| (void)stun_set_binding_response(&msg, &tid, &reflexive, 0, NULL, false); 563| 1.62k| inspect_buffer_message(&msg, STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS, &default_addr); ------------------ | | 105| 1.62k|#define STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS (0x0020) ------------------ 564| | 565| 1.62k| stun_init_buffer(&msg); 566| 1.62k| (void)stun_set_binding_response(&msg, &tid, NULL, 420, (const uint8_t *)reason, true); 567| 1.62k| inspect_buffer_message(&msg, STUN_ATTRIBUTE_MAPPED_ADDRESS, &default_addr); ------------------ | | 91| 1.62k|#define STUN_ATTRIBUTE_MAPPED_ADDRESS (0x0001) ------------------ 568| | 569| 1.62k| const bool matrix_old_stun[] = {false, true}; 570| 1.62k| const bool matrix_backcompat[] = {false, true}; 571| 4.88k| for (size_t o = 0; o < sizeof(matrix_old_stun) / sizeof(matrix_old_stun[0]); ++o) { ------------------ | Branch (571:24): [True: 3.25k, False: 1.62k] ------------------ 572| 9.77k| for (size_t b = 0; b < sizeof(matrix_backcompat) / sizeof(matrix_backcompat[0]); ++b) { ------------------ | Branch (572:26): [True: 6.51k, False: 3.25k] ------------------ 573| 6.51k| size_t raw_len = sizeof(raw); 574| 6.51k| (void)stun_set_binding_response_str(raw, &raw_len, &tid, &reflexive, 0, NULL, old_cookie, matrix_old_stun[o], 575| 6.51k| matrix_backcompat[b], false); 576| 6.51k| inspect_raw_message(raw, raw_len, 577| 6.51k| matrix_old_stun[o] ? STUN_ATTRIBUTE_MAPPED_ADDRESS : STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS, ------------------ | | 91| 3.25k|#define STUN_ATTRIBUTE_MAPPED_ADDRESS (0x0001) ------------------ matrix_old_stun[o] ? STUN_ATTRIBUTE_MAPPED_ADDRESS : STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS, ------------------ | | 105| 9.77k|#define STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS (0x0020) ------------------ | Branch (577:29): [True: 3.25k, False: 3.25k] ------------------ 578| 6.51k| &default_addr); 579| | 580| 6.51k| raw_len = sizeof(raw); 581| 6.51k| (void)stun_set_binding_response_str(raw, &raw_len, &tid, NULL, 500, (const uint8_t *)reason, old_cookie, 582| 6.51k| matrix_old_stun[o], matrix_backcompat[b], true); 583| 6.51k| inspect_raw_message(raw, raw_len, STUN_ATTRIBUTE_MAPPED_ADDRESS, &default_addr); ------------------ | | 91| 6.51k|#define STUN_ATTRIBUTE_MAPPED_ADDRESS (0x0001) ------------------ 584| 6.51k| } 585| 3.25k| } 586| 1.62k| } 587| | 588| | /* stun_set_channel_bind_request / _str — cover peer NULL vs set. */ 589| 1.62k| { 590| 1.62k| stun_buffer msg; 591| | 592| 1.62k| stun_init_buffer(&msg); 593| 1.62k| (void)stun_set_channel_bind_request(&msg, NULL, channel_number_valid); 594| 1.62k| inspect_buffer_message(&msg, STUN_ATTRIBUTE_XOR_PEER_ADDRESS, &default_addr); ------------------ | | 116| 1.62k|#define STUN_ATTRIBUTE_XOR_PEER_ADDRESS (0x0012) ------------------ 595| | 596| 1.62k| stun_init_buffer(&msg); 597| 1.62k| (void)stun_set_channel_bind_request(&msg, &peer, channel_number_valid); 598| 1.62k| inspect_buffer_message(&msg, STUN_ATTRIBUTE_XOR_PEER_ADDRESS, &default_addr); ------------------ | | 116| 1.62k|#define STUN_ATTRIBUTE_XOR_PEER_ADDRESS (0x0012) ------------------ 599| | 600| 1.62k| size_t raw_len = sizeof(raw); 601| 1.62k| (void)stun_set_channel_bind_request_str(raw, &raw_len, NULL, channel_number_valid); 602| 1.62k| inspect_raw_message(raw, raw_len, STUN_ATTRIBUTE_XOR_PEER_ADDRESS, &default_addr); ------------------ | | 116| 1.62k|#define STUN_ATTRIBUTE_XOR_PEER_ADDRESS (0x0012) ------------------ 603| | 604| 1.62k| raw_len = sizeof(raw); 605| 1.62k| (void)stun_set_channel_bind_request_str(raw, &raw_len, &peer, channel_number_valid); 606| 1.62k| inspect_raw_message(raw, raw_len, STUN_ATTRIBUTE_XOR_PEER_ADDRESS, &default_addr); ------------------ | | 116| 1.62k|#define STUN_ATTRIBUTE_XOR_PEER_ADDRESS (0x0012) ------------------ 607| 1.62k| } 608| | 609| | /* stun_set_channel_bind_response / _str — cover success vs error. */ 610| 1.62k| { 611| 1.62k| stun_buffer msg; 612| | 613| 1.62k| stun_init_buffer(&msg); 614| 1.62k| stun_set_channel_bind_response(&msg, &tid, 0, NULL, false); 615| 1.62k| inspect_buffer_message(&msg, STUN_ATTRIBUTE_XOR_PEER_ADDRESS, &default_addr); ------------------ | | 116| 1.62k|#define STUN_ATTRIBUTE_XOR_PEER_ADDRESS (0x0012) ------------------ 616| | 617| 1.62k| stun_init_buffer(&msg); 618| 1.62k| stun_set_channel_bind_response(&msg, &tid, 438, (const uint8_t *)reason, true); 619| 1.62k| inspect_buffer_message(&msg, STUN_ATTRIBUTE_XOR_PEER_ADDRESS, &default_addr); ------------------ | | 116| 1.62k|#define STUN_ATTRIBUTE_XOR_PEER_ADDRESS (0x0012) ------------------ 620| | 621| 1.62k| size_t raw_len = sizeof(raw); 622| 1.62k| stun_set_channel_bind_response_str(raw, &raw_len, &tid, 0, NULL, false); 623| 1.62k| inspect_raw_message(raw, raw_len, STUN_ATTRIBUTE_XOR_PEER_ADDRESS, &default_addr); ------------------ | | 116| 1.62k|#define STUN_ATTRIBUTE_XOR_PEER_ADDRESS (0x0012) ------------------ 624| | 625| 1.62k| raw_len = sizeof(raw); 626| 1.62k| stun_set_channel_bind_response_str(raw, &raw_len, &tid, 486, (const uint8_t *)reason, true); 627| 1.62k| inspect_raw_message(raw, raw_len, STUN_ATTRIBUTE_XOR_PEER_ADDRESS, &default_addr); ------------------ | | 116| 1.62k|#define STUN_ATTRIBUTE_XOR_PEER_ADDRESS (0x0012) ------------------ 628| 1.62k| } 629| 1.62k|} FuzzStunClient.c:harness_stun_buffer_api: 653| 1.76k|static void harness_stun_buffer_api(const uint8_t *Data, size_t Size) { 654| 1.76k| if (!Size || Size > 4096) { ------------------ | Branch (654:7): [True: 0, False: 1.76k] | Branch (654:16): [True: 140, False: 1.62k] ------------------ 655| 140| return; 656| 140| } 657| | 658| 1.62k| static const uint16_t kMethods[] = { 659| 1.62k| STUN_METHOD_ALLOCATE, STUN_METHOD_BINDING, STUN_METHOD_CHANNEL_BIND, STUN_METHOD_REFRESH, STUN_METHOD_CONNECT, ------------------ | | 78| 1.62k|#define STUN_METHOD_ALLOCATE (0x0003) ------------------ STUN_METHOD_ALLOCATE, STUN_METHOD_BINDING, STUN_METHOD_CHANNEL_BIND, STUN_METHOD_REFRESH, STUN_METHOD_CONNECT, ------------------ | | 77| 1.62k|#define STUN_METHOD_BINDING (0x0001) ------------------ STUN_METHOD_ALLOCATE, STUN_METHOD_BINDING, STUN_METHOD_CHANNEL_BIND, STUN_METHOD_REFRESH, STUN_METHOD_CONNECT, ------------------ | | 83| 1.62k|#define STUN_METHOD_CHANNEL_BIND (0x0009) ------------------ STUN_METHOD_ALLOCATE, STUN_METHOD_BINDING, STUN_METHOD_CHANNEL_BIND, STUN_METHOD_REFRESH, STUN_METHOD_CONNECT, ------------------ | | 79| 1.62k|#define STUN_METHOD_REFRESH (0x0004) ------------------ STUN_METHOD_ALLOCATE, STUN_METHOD_BINDING, STUN_METHOD_CHANNEL_BIND, STUN_METHOD_REFRESH, STUN_METHOD_CONNECT, ------------------ | | 86| 1.62k|#define STUN_METHOD_CONNECT (0x000a) ------------------ 660| 1.62k| }; 661| | 662| 1.62k| stun_tid tid = {0}; 663| 1.62k| ioa_addr peer = {0}; 664| 1.62k| ioa_addr default_addr = {0}; 665| 1.62k| char attr_value[64] = {0}; 666| 1.62k| char rt[8] = {0}; 667| | 668| 1.62k| fuzz_tid(Data, Size, 0, &tid); 669| 1.62k| fuzz_addr(Data, Size, 16, &peer); 670| 1.62k| fuzz_addr(Data, Size, 40, &default_addr); 671| 1.62k| fuzz_string(Data, Size, 64, attr_value, sizeof(attr_value)); 672| 1.62k| fuzz_string(Data, Size, 128, rt, sizeof(rt)); 673| | 674| 1.62k| const uint16_t method = kMethods[fuzz_byte(Data, Size, 200) % (sizeof(kMethods) / sizeof(kMethods[0]))]; 675| 1.62k| const uint32_t lifetime = fuzz_u32(Data, Size, 201); 676| 1.62k| const uint16_t channel_number = (uint16_t)(0x4000u + (fuzz_u16(Data, Size, 205) & 0x3FFFu)); 677| 1.62k| const uint8_t transport = fuzz_byte(Data, Size, 207); 678| 1.62k| const uint8_t even_port_value = fuzz_byte(Data, Size, 208); 679| 1.62k| const bool af4 = fuzz_flag(Data, Size, 209); 680| 1.62k| const bool af6 = fuzz_flag(Data, Size, 210); 681| 1.62k| const bool mobile = fuzz_flag(Data, Size, 211); 682| 1.62k| const bool padding = fuzz_flag(Data, Size, 212); 683| 1.62k| const int chan_payload_len = (int)(fuzz_u16(Data, Size, 213) % 256); 684| 1.62k| const int ep = (int)(int8_t)fuzz_byte(Data, Size, 215); 685| | 686| | /* NULL-guard branches. */ 687| 1.62k| (void)stun_get_size(NULL); 688| 1.62k| (void)stun_init_buffer(NULL); 689| 1.62k| (void)stun_get_msg_type(NULL); 690| 1.62k| { 691| 1.62k| stun_tid scratch = {0}; 692| 1.62k| stun_tid_generate_in_message(NULL, &scratch); 693| 1.62k| } 694| | 695| | /* stun_init_request — also covers stun_get_size (non-NULL), the static 696| | * stun_init_command helper, and stun_attr_add* / stun_attr_get_first_by_type 697| | * over the freshly built message. */ 698| 1.62k| { 699| 1.62k| stun_buffer msg; 700| 1.62k| stun_init_buffer(&msg); 701| 1.62k| stun_init_request(method, &msg); 702| | 703| 1.62k| stun_tid extracted = {0}; 704| 1.62k| stun_tid_from_message(&msg, &extracted); 705| 1.62k| stun_tid_generate_in_message(&msg, &extracted); 706| | 707| 1.62k| const int alen = (int)strlen(attr_value); 708| 1.62k| (void)stun_attr_add(&msg, STUN_ATTRIBUTE_USERNAME, attr_value, alen); ------------------ | | 96| 1.62k|#define STUN_ATTRIBUTE_USERNAME (0x0006) ------------------ 709| 1.62k| (void)stun_attr_add_channel_number(&msg, channel_number); 710| 1.62k| (void)stun_attr_add_addr(&msg, STUN_ATTRIBUTE_XOR_PEER_ADDRESS, &peer); ------------------ | | 116| 1.62k|#define STUN_ATTRIBUTE_XOR_PEER_ADDRESS (0x0012) ------------------ 711| 1.62k| (void)stun_attr_add_even_port(&msg, even_port_value); 712| 1.62k| (void)stun_attr_add_even_port(&msg, 0); 713| | 714| 1.62k| (void)stun_attr_get_first_by_type(&msg, STUN_ATTRIBUTE_USERNAME); ------------------ | | 96| 1.62k|#define STUN_ATTRIBUTE_USERNAME (0x0006) ------------------ 715| 1.62k| (void)stun_attr_get_first_by_type(&msg, STUN_ATTRIBUTE_CHANNEL_NUMBER); ------------------ | | 113| 1.62k|#define STUN_ATTRIBUTE_CHANNEL_NUMBER (0x000C) ------------------ 716| 1.62k| (void)stun_attr_get_first_by_type(&msg, STUN_ATTRIBUTE_XOR_PEER_ADDRESS); ------------------ | | 116| 1.62k|#define STUN_ATTRIBUTE_XOR_PEER_ADDRESS (0x0012) ------------------ 717| 1.62k| (void)stun_attr_get_first_by_type(&msg, STUN_ATTRIBUTE_EVEN_PORT); ------------------ | | 119| 1.62k|#define STUN_ATTRIBUTE_EVEN_PORT (0x0018) ------------------ 718| | 719| 1.62k| (void)stun_is_indication(&msg); 720| 1.62k| inspect_buffer_message(&msg, STUN_ATTRIBUTE_XOR_PEER_ADDRESS, &default_addr); ------------------ | | 116| 1.62k|#define STUN_ATTRIBUTE_XOR_PEER_ADDRESS (0x0012) ------------------ 721| 1.62k| } 722| | 723| | /* stun_init_indication — drives the IS_STUN_INDICATION branch of 724| | * stun_is_indication. */ 725| 1.62k| { 726| 1.62k| stun_buffer msg; 727| 1.62k| stun_init_buffer(&msg); 728| 1.62k| stun_init_indication(method, &msg); 729| 1.62k| (void)stun_is_indication(&msg); 730| 1.62k| inspect_buffer_message(&msg, STUN_ATTRIBUTE_XOR_PEER_ADDRESS, &default_addr); ------------------ | | 116| 1.62k|#define STUN_ATTRIBUTE_XOR_PEER_ADDRESS (0x0012) ------------------ 731| 1.62k| } 732| | 733| | /* stun_init_success_response. */ 734| 1.62k| { 735| 1.62k| stun_buffer msg; 736| 1.62k| stun_init_buffer(&msg); 737| 1.62k| stun_init_success_response(method, &msg, &tid); 738| 1.62k| inspect_buffer_message(&msg, STUN_ATTRIBUTE_MAPPED_ADDRESS, &default_addr); ------------------ | | 91| 1.62k|#define STUN_ATTRIBUTE_MAPPED_ADDRESS (0x0001) ------------------ 739| 1.62k| } 740| | 741| | /* stun_set_allocate_request — both rt NULL and rt non-NULL paths. */ 742| 1.62k| { 743| 1.62k| stun_buffer msg; 744| 1.62k| stun_init_buffer(&msg); 745| 1.62k| (void)stun_set_allocate_request(&msg, lifetime, af4, af6, transport, mobile, rt[0] ? rt : NULL, ep); ------------------ | Branch (745:82): [True: 996, False: 633] ------------------ 746| 1.62k| inspect_buffer_message(&msg, STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS, &default_addr); ------------------ | | 118| 1.62k|#define STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS (0x0016) ------------------ 747| | 748| 1.62k| stun_init_buffer(&msg); 749| 1.62k| (void)stun_set_allocate_request(&msg, lifetime, !af4, !af6, transport, !mobile, NULL, ep); 750| 1.62k| inspect_buffer_message(&msg, STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS, &default_addr); ------------------ | | 118| 1.62k|#define STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS (0x0016) ------------------ 751| 1.62k| } 752| | 753| | /* stun_set_binding_request + stun_prepare_binding_request (both currently 754| | * delegate to stun_set_binding_request_str but exercise the wrappers). */ 755| 1.62k| { 756| 1.62k| stun_buffer msg; 757| 1.62k| stun_init_buffer(&msg); 758| 1.62k| stun_set_binding_request(&msg); 759| 1.62k| inspect_buffer_message(&msg, STUN_ATTRIBUTE_MAPPED_ADDRESS, &default_addr); ------------------ | | 91| 1.62k|#define STUN_ATTRIBUTE_MAPPED_ADDRESS (0x0001) ------------------ 760| | 761| 1.62k| stun_init_buffer(&msg); 762| 1.62k| stun_prepare_binding_request(&msg); 763| 1.62k| inspect_buffer_message(&msg, STUN_ATTRIBUTE_MAPPED_ADDRESS, &default_addr); ------------------ | | 91| 1.62k|#define STUN_ATTRIBUTE_MAPPED_ADDRESS (0x0001) ------------------ 764| 1.62k| } 765| | 766| | /* stun_init_channel_message + stun_is_channel_message wrappers. */ 767| 1.62k| { 768| 1.62k| stun_buffer msg; 769| 1.62k| stun_init_buffer(&msg); 770| 1.62k| if (stun_init_channel_message(channel_number, &msg, chan_payload_len, padding)) { ------------------ | Branch (770:9): [True: 1.62k, False: 0] ------------------ 771| 1.62k| uint16_t parsed_chn = 0; 772| 1.62k| (void)stun_is_channel_message(&msg, &parsed_chn, true); 773| 1.62k| (void)stun_is_channel_message(&msg, &parsed_chn, false); 774| 1.62k| } 775| 1.62k| { 776| 1.62k| uint16_t chn = 0; 777| 1.62k| (void)stun_is_channel_message(NULL, &chn, false); 778| 1.62k| } 779| 1.62k| } 780| | 781| | /* Raw fuzzer bytes through the wrapper-form predicates so they see 782| | * malformed inputs the serializer paths above never produce. */ 783| 1.62k| { 784| 1.62k| stun_buffer msg; 785| 1.62k| msg.len = Size > sizeof(msg.buf) ? sizeof(msg.buf) : Size; ------------------ | Branch (785:15): [True: 0, False: 1.62k] ------------------ 786| 1.62k| memcpy(msg.buf, Data, msg.len); 787| | 788| 1.62k| (void)stun_is_indication(&msg); 789| | 790| 1.62k| stun_tid extracted = {0}; 791| 1.62k| stun_tid_from_message(&msg, &extracted); 792| | 793| 1.62k| { 794| 1.62k| uint16_t chn = 0; 795| 1.62k| const size_t saved_len = msg.len; 796| 1.62k| (void)stun_is_channel_message(&msg, &chn, true); 797| 1.62k| msg.len = saved_len; 798| 1.62k| (void)stun_is_channel_message(&msg, &chn, false); 799| 1.62k| } 800| | 801| 1.62k| (void)stun_attr_get_first_by_type(&msg, STUN_ATTRIBUTE_USERNAME); ------------------ | | 96| 1.62k|#define STUN_ATTRIBUTE_USERNAME (0x0006) ------------------ 802| 1.62k| (void)stun_attr_get_first_by_type(&msg, STUN_ATTRIBUTE_XOR_PEER_ADDRESS); ------------------ | | 116| 1.62k|#define STUN_ATTRIBUTE_XOR_PEER_ADDRESS (0x0012) ------------------ 803| 1.62k| (void)stun_attr_get_first_by_type(&msg, STUN_ATTRIBUTE_CHANNEL_NUMBER); ------------------ | | 113| 1.62k|#define STUN_ATTRIBUTE_CHANNEL_NUMBER (0x000C) ------------------ 804| 1.62k| } 805| 1.62k|} turn_malloc_impl: 685| 8|void *turn_malloc_impl(size_t sz, const char *file, int line) { 686| 8| void *ptr = malloc(sz); 687| 8| if (!ptr && sz) { ------------------ | Branch (687:7): [True: 0, False: 8] | Branch (687:15): [True: 0, False: 0] ------------------ 688| 0| turn_out_of_memory(file, line, "malloc", sz); 689| 0| } 690| 8| return ptr; 691| 8|} turn_realloc_impl: 701| 8|void *turn_realloc_impl(void *ptr, size_t sz, const char *file, int line) { 702| 8| void *newptr = realloc(ptr, sz); 703| 8| if (!newptr && sz) { ------------------ | Branch (703:7): [True: 0, False: 8] | Branch (703:18): [True: 0, False: 0] ------------------ 704| 0| turn_out_of_memory(file, line, "realloc", sz); 705| 0| } 706| 8| return newptr; 707| 8|} stun_init_buffer: 41| 43.9k|int stun_init_buffer(stun_buffer *buf) { 42| 43.9k| if (!buf) { ------------------ | Branch (42:7): [True: 1.62k, False: 42.3k] ------------------ 43| 1.62k| return -1; 44| 1.62k| } 45| 42.3k| memset(buf->buf, 0, sizeof(buf->buf)); 46| 42.3k| buf->len = 0; 47| 42.3k| buf->offset = 0; 48| 42.3k| buf->coffset = 0; 49| 42.3k| return 0; 50| 43.9k|} stun_get_size: 52| 11.4k|int stun_get_size(const stun_buffer *buf) { 53| 11.4k| if (!buf) { ------------------ | Branch (53:7): [True: 1.62k, False: 9.77k] ------------------ 54| 1.62k| return 0; 55| 1.62k| } 56| 9.77k| return sizeof(buf->buf); 57| 11.4k|} stun_tid_from_message: 61| 3.25k|void stun_tid_from_message(const stun_buffer *buf, stun_tid *id) { 62| 3.25k| stun_tid_from_message_str(buf->buf, (size_t)(buf->len), id); 63| 3.25k|} stun_tid_generate_in_message: 65| 3.25k|void stun_tid_generate_in_message(stun_buffer *buf, stun_tid *id) { 66| 3.25k| if (buf) { ------------------ | Branch (66:7): [True: 1.62k, False: 1.62k] ------------------ 67| 1.62k| stun_tid_generate_in_message_str(buf->buf, id); 68| 1.62k| } 69| 3.25k|} stun_is_command_message: 80| 41.8k|bool stun_is_command_message(const stun_buffer *buf) { 81| 41.8k| if (!buf || buf->len <= 0) { ------------------ | Branch (81:7): [True: 0, False: 41.8k] | Branch (81:15): [True: 0, False: 41.8k] ------------------ 82| 0| return false; 83| 41.8k| } else { 84| 41.8k| return stun_is_command_message_str(buf->buf, (size_t)(buf->len)); 85| 41.8k| } 86| 41.8k|} stun_is_request: 88| 40.7k|bool stun_is_request(const stun_buffer *buf) { return stun_is_request_str(buf->buf, (size_t)buf->len); } stun_is_success_response: 90| 40.8k|bool stun_is_success_response(const stun_buffer *buf) { 91| 40.8k| return stun_is_success_response_str(buf->buf, (size_t)(buf->len)); 92| 40.8k|} stun_is_error_response: 94| 40.7k|bool stun_is_error_response(const stun_buffer *buf, int *err_code, uint8_t *err_msg, size_t err_msg_size) { 95| 40.7k| return stun_is_error_response_str(buf->buf, (size_t)(buf->len), err_code, err_msg, err_msg_size); 96| 40.7k|} stun_is_response: 98| 40.8k|bool stun_is_response(const stun_buffer *buf) { return stun_is_response_str(buf->buf, (size_t)(buf->len)); } stun_is_indication: 100| 4.88k|bool stun_is_indication(const stun_buffer *buf) { 101| 4.88k| if (is_channel_msg(buf)) { ------------------ | Branch (101:7): [True: 521, False: 4.36k] ------------------ 102| 521| return false; 103| 521| } 104| 4.36k| return IS_STUN_INDICATION(stun_get_msg_type(buf)); ------------------ | | 59| 4.36k|#define IS_STUN_INDICATION(msg_type) (((msg_type)&0x0110) == 0x0010) ------------------ 105| 4.88k|} stun_get_method: 107| 40.7k|uint16_t stun_get_method(const stun_buffer *buf) { return stun_get_method_str(buf->buf, (size_t)(buf->len)); } stun_get_msg_type: 109| 46.7k|uint16_t stun_get_msg_type(const stun_buffer *buf) { 110| 46.7k| if (!buf) { ------------------ | Branch (110:7): [True: 1.62k, False: 45.0k] ------------------ 111| 1.62k| return (uint16_t)-1; 112| 1.62k| } 113| 45.0k| return stun_get_msg_type_str(buf->buf, (size_t)buf->len); 114| 46.7k|} stun_init_request: 123| 1.62k|void stun_init_request(uint16_t method, stun_buffer *buf) { stun_init_command(stun_make_request(method), buf); } stun_init_indication: 125| 1.62k|void stun_init_indication(uint16_t method, stun_buffer *buf) { stun_init_command(stun_make_indication(method), buf); } stun_init_success_response: 127| 1.62k|void stun_init_success_response(uint16_t method, stun_buffer *buf, stun_tid *id) { 128| 1.62k| buf->len = stun_get_size(buf); 129| 1.62k| stun_init_success_response_str(method, buf->buf, &(buf->len), id); 130| 1.62k|} stun_init_error_response: 133| 4.88k| stun_tid *id, bool include_reason_string) { 134| 4.88k| buf->len = stun_get_size(buf); 135| 4.88k| stun_init_error_response_str(method, buf->buf, &(buf->len), error_code, reason, id, include_reason_string); 136| 4.88k|} stun_get_command_message_len: 140| 40.7k|int stun_get_command_message_len(const stun_buffer *buf) { 141| 40.7k| return stun_get_command_message_len_str(buf->buf, buf->len); 142| 40.7k|} stun_init_channel_message: 146| 1.62k|bool stun_init_channel_message(uint16_t chnumber, stun_buffer *buf, int length, bool do_padding) { 147| 1.62k| return stun_init_channel_message_str(chnumber, buf->buf, &(buf->len), length, do_padding); 148| 1.62k|} stun_is_channel_message: 150| 8.14k|bool stun_is_channel_message(stun_buffer *buf, uint16_t *chnumber, bool is_padding_mandatory) { 151| 8.14k| if (!buf) { ------------------ | Branch (151:7): [True: 1.62k, False: 6.51k] ------------------ 152| 1.62k| return false; 153| 1.62k| } 154| 6.51k| size_t blen = buf->len; 155| 6.51k| const bool ret = stun_is_channel_message_str(buf->buf, &blen, chnumber, is_padding_mandatory); 156| 6.51k| if (ret) { ------------------ | Branch (156:7): [True: 3.43k, False: 3.08k] ------------------ 157| 3.43k| buf->len = blen; 158| 3.43k| } 159| 6.51k| return ret; 160| 8.14k|} stun_set_allocate_request: 165| 3.25k| const char *rt, int ep) { 166| 3.25k| return stun_set_allocate_request_str(buf->buf, &(buf->len), lifetime, af4, af6, transport, mobile, rt, ep); 167| 3.25k|} stun_set_allocate_response: 172| 8.14k| uint64_t reservation_token, char *mobile_id, bool include_reason_string) { 173| | 174| 8.14k| return stun_set_allocate_response_str(buf->buf, &(buf->len), tid, relayed_addr1, relayed_addr2, reflexive_addr, 175| 8.14k| lifetime, max_lifetime, error_code, reason, reservation_token, mobile_id, 176| 8.14k| include_reason_string); 177| 8.14k|} stun_set_channel_bind_request: 181| 4.88k|uint16_t stun_set_channel_bind_request(stun_buffer *buf, const ioa_addr *peer_addr, uint16_t channel_number) { 182| | 183| 4.88k| return stun_set_channel_bind_request_str(buf->buf, &(buf->len), peer_addr, channel_number); 184| 4.88k|} stun_set_channel_bind_response: 187| 4.88k| bool include_reason_string) { 188| 4.88k| stun_set_channel_bind_response_str(buf->buf, &(buf->len), tid, error_code, reason, include_reason_string); 189| 4.88k|} stun_attr_get_first: 193| 40.7k|stun_attr_ref stun_attr_get_first(const stun_buffer *buf) { return stun_attr_get_first_str(buf->buf, buf->len); } stun_attr_get_next: 195| 71.2k|stun_attr_ref stun_attr_get_next(const stun_buffer *buf, stun_attr_ref prev) { 196| 71.2k| return stun_attr_get_next_str(buf->buf, buf->len, prev); 197| 71.2k|} stun_attr_add: 199| 4.88k|bool stun_attr_add(stun_buffer *buf, uint16_t attr, const char *avalue, int alen) { 200| 4.88k| return stun_attr_add_str(buf->buf, &(buf->len), attr, (const uint8_t *)avalue, alen); 201| 4.88k|} stun_attr_add_channel_number: 203| 1.62k|bool stun_attr_add_channel_number(stun_buffer *buf, uint16_t chnumber) { 204| 1.62k| return stun_attr_add_channel_number_str(buf->buf, &(buf->len), chnumber); 205| 1.62k|} stun_attr_add_addr: 207| 1.62k|bool stun_attr_add_addr(stun_buffer *buf, uint16_t attr_type, const ioa_addr *ca) { 208| 1.62k| return stun_attr_add_addr_str(buf->buf, &(buf->len), attr_type, ca); 209| 1.62k|} stun_attr_get_addr: 211| 23.4k|bool stun_attr_get_addr(const stun_buffer *buf, stun_attr_ref attr, ioa_addr *ca, const ioa_addr *default_addr) { 212| 23.4k| return stun_attr_get_addr_str(buf->buf, buf->len, attr, ca, default_addr); 213| 23.4k|} stun_attr_get_first_addr: 215| 57.3k|bool stun_attr_get_first_addr(const stun_buffer *buf, uint16_t attr_type, ioa_addr *ca, const ioa_addr *default_addr) { 216| 57.3k| return stun_attr_get_first_addr_str(buf->buf, buf->len, attr_type, ca, default_addr); 217| 57.3k|} stun_attr_add_even_port: 219| 3.25k|bool stun_attr_add_even_port(stun_buffer *buf, uint8_t value) { 220| 3.25k| if (value) { ------------------ | Branch (220:7): [True: 1.19k, False: 2.06k] ------------------ 221| 1.19k| value = 0x80; 222| 1.19k| } 223| 3.25k| return stun_attr_add(buf, STUN_ATTRIBUTE_EVEN_PORT, (const char *)&value, 1); ------------------ | | 119| 3.25k|#define STUN_ATTRIBUTE_EVEN_PORT (0x0018) ------------------ 224| 3.25k|} stun_attr_get_first_channel_number: 226| 40.7k|uint16_t stun_attr_get_first_channel_number(const stun_buffer *buf) { 227| 40.7k| return stun_attr_get_first_channel_number_str(buf->buf, buf->len); 228| 40.7k|} stun_attr_get_first_by_type: 230| 11.4k|stun_attr_ref stun_attr_get_first_by_type(const stun_buffer *buf, uint16_t attr_type) { 231| 11.4k| return stun_attr_get_first_by_type_str(buf->buf, buf->len, attr_type); 232| 11.4k|} stun_set_binding_request: 236| 1.62k|void stun_set_binding_request(stun_buffer *buf) { stun_set_binding_request_str(buf->buf, (size_t *)(&(buf->len))); } stun_set_binding_response: 239| 6.51k| const uint8_t *reason, bool include_reason_string) { 240| 6.51k| return stun_set_binding_response_str(buf->buf, &(buf->len), tid, reflexive_addr, error_code, reason, 0, false, true, 241| 6.51k| include_reason_string); 242| 6.51k|} stun_prepare_binding_request: 244| 1.62k|void stun_prepare_binding_request(stun_buffer *buf) { stun_set_binding_request_str(buf->buf, (size_t *)(&(buf->len))); } stun_is_binding_response: 246| 40.7k|bool stun_is_binding_response(const stun_buffer *buf) { return stun_is_binding_response_str(buf->buf, buf->len); } stun_buffer.c:is_channel_msg: 73| 4.88k|static inline bool is_channel_msg(const stun_buffer *buf) { 74| 4.88k| if (buf && buf->len > 0) { ------------------ | Branch (74:7): [True: 4.88k, False: 0] | Branch (74:14): [True: 4.88k, False: 0] ------------------ 75| 4.88k| return is_channel_msg_str(buf->buf, (size_t)(buf->len)); 76| 4.88k| } 77| 0| return false; 78| 4.88k|} stun_buffer.c:stun_init_command: 118| 3.25k|static void stun_init_command(uint16_t message_type, stun_buffer *buf) { 119| 3.25k| buf->len = stun_get_size(buf); 120| 3.25k| stun_init_command_str(message_type, buf->buf, &(buf->len)); 121| 3.25k|} addr_set_any: 48| 178k|void addr_set_any(ioa_addr *addr) { 49| 178k| if (addr) { ------------------ | Branch (49:7): [True: 178k, False: 0] ------------------ 50| 178k| memset(addr, 0, sizeof(ioa_addr)); 51| 178k| } 52| 178k|} addr_any_no_port: 78| 89.2k|int addr_any_no_port(const ioa_addr *addr) { 79| 89.2k| if (!addr) { ------------------ | Branch (79:7): [True: 0, False: 89.2k] ------------------ 80| 0| return 1; 81| 0| } 82| | 83| 89.2k| if (addr->ss.sa_family == AF_INET) { ------------------ | Branch (83:7): [True: 58.1k, False: 31.0k] ------------------ 84| 58.1k| return (addr->s4.sin_addr.s_addr == 0); 85| 58.1k| } else if (addr->ss.sa_family == AF_INET6) { ------------------ | Branch (85:14): [True: 31.0k, False: 0] ------------------ 86| 31.0k| size_t i; 87| 51.0k| for (i = 0; i < sizeof(addr->s6.sin6_addr); i++) { ------------------ | Branch (87:17): [True: 51.0k, False: 6] ------------------ 88| 51.0k| if (((const char *)(&(addr->s6.sin6_addr)))[i]) { ------------------ | Branch (88:11): [True: 31.0k, False: 19.9k] ------------------ 89| 31.0k| return 0; 90| 31.0k| } 91| 51.0k| } 92| 31.0k| } 93| | 94| 6| return 1; 95| 89.2k|} addr_eq_no_port: 180| 253k|int addr_eq_no_port(const ioa_addr *a1, const ioa_addr *a2) { 181| | 182| 253k| if (!a1) { ------------------ | Branch (182:7): [True: 0, False: 253k] ------------------ 183| 0| return (!a2); 184| 253k| } else if (!a2) { ------------------ | Branch (184:14): [True: 0, False: 253k] ------------------ 185| 0| return (!a1); 186| 0| } 187| | 188| 253k| if (a1->ss.sa_family == a2->ss.sa_family) { ------------------ | Branch (188:7): [True: 121k, False: 131k] ------------------ 189| 121k| if (a1->ss.sa_family == AF_INET) { ------------------ | Branch (189:9): [True: 77.3k, False: 44.2k] ------------------ 190| 77.3k| if ((int)a1->s4.sin_addr.s_addr == (int)a2->s4.sin_addr.s_addr) { ------------------ | Branch (190:11): [True: 423, False: 76.8k] ------------------ 191| 423| return 1; 192| 423| } 193| 77.3k| } else if (a1->ss.sa_family == AF_INET6) { ------------------ | Branch (193:16): [True: 44.2k, False: 0] ------------------ 194| 44.2k| if (memcmp(&(a1->s6.sin6_addr), &(a2->s6.sin6_addr), sizeof(struct in6_addr)) == 0) { ------------------ | Branch (194:11): [True: 265, False: 44.0k] ------------------ 195| 265| return 1; 196| 265| } 197| 44.2k| } 198| 121k| } 199| 252k| return 0; 200| 253k|} make_ioa_addr: 202| 8|int make_ioa_addr(const uint8_t *saddr0, uint16_t port, ioa_addr *addr) { 203| | 204| 8| if (!saddr0 || !addr) { ------------------ | Branch (204:7): [True: 0, False: 8] | Branch (204:18): [True: 0, False: 8] ------------------ 205| 0| return -1; 206| 0| } 207| | 208| 8| char ssaddr[257]; 209| 8| STRCPY(ssaddr, saddr0); ------------------ | | 198| 8| do { \ | | 199| 8| if ((const char *)(dst) != (const char *)(src)) { \ | | ------------------ | | | Branch (199:9): [True: 8, False: 0] | | ------------------ | | 200| 8| if (sizeof(dst) == sizeof(char *)) \ | | ------------------ | | | Branch (200:11): [Folded, False: 8] | | ------------------ | | 201| 8| strcpy(((char *)(dst)), (const char *)(src)); \ | | 202| 8| else { \ | | 203| 8| size_t szdst = sizeof((dst)); \ | | 204| 8| strncpy((char *)(dst), (const char *)(src), szdst); \ | | 205| 8| ((char *)(dst))[szdst - 1] = 0; \ | | 206| 8| } \ | | 207| 8| } \ | | 208| 8| } while (0) | | ------------------ | | | Branch (208:12): [Folded, False: 8] | | ------------------ ------------------ 210| | 211| 8| char *saddr = ssaddr; 212| 8| while (*saddr == ' ') { ------------------ | Branch (212:10): [True: 0, False: 8] ------------------ 213| 0| ++saddr; 214| 0| } 215| | 216| 8| size_t len = strlen(saddr); 217| 8| while (len > 0) { ------------------ | Branch (217:10): [True: 8, False: 0] ------------------ 218| 8| if (saddr[len - 1] == ' ') { ------------------ | Branch (218:9): [True: 0, False: 8] ------------------ 219| 0| saddr[len - 1] = 0; 220| 0| --len; 221| 8| } else { 222| 8| break; 223| 8| } 224| 8| } 225| | 226| 8| memset(addr, 0, sizeof(ioa_addr)); 227| 8| if ((len == 0) || (inet_pton(AF_INET, saddr, &addr->s4.sin_addr) == 1)) { ------------------ | Branch (227:7): [True: 0, False: 8] | Branch (227:21): [True: 4, False: 4] ------------------ 228| 4| 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| 4| addr->s4.sin_port = nswap16(port); ------------------ | | 86| 4|#define nswap16(s) ntohs(s) ------------------ 233| 4| } else if (inet_pton(AF_INET6, saddr, &addr->s6.sin6_addr) == 1) { ------------------ | Branch (233:14): [True: 4, False: 0] ------------------ 234| 4| 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| 4| addr->s6.sin6_port = nswap16(port); ------------------ | | 86| 4|#define nswap16(s) ntohs(s) ------------------ 239| 4| } 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| 8| return 0; 300| 8|} addr_set_port: 407| 11.1k|void addr_set_port(ioa_addr *addr, uint16_t port) { 408| 11.1k| if (addr) { ------------------ | Branch (408:7): [True: 11.1k, False: 0] ------------------ 409| 11.1k| if (addr->s4.sin_family == AF_INET) { ------------------ | Branch (409:9): [True: 6.91k, False: 4.25k] ------------------ 410| 6.91k| addr->s4.sin_port = nswap16(port); ------------------ | | 86| 6.91k|#define nswap16(s) ntohs(s) ------------------ 411| 6.91k| } else if (addr->s6.sin6_family == AF_INET6) { ------------------ | Branch (411:16): [True: 4.25k, False: 0] ------------------ 412| | addr->s6.sin6_port = nswap16(port); ------------------ | | 86| 4.25k|#define nswap16(s) ntohs(s) ------------------ 413| 4.25k| } 414| 11.1k| } 415| 11.1k|} addr_get_port: 417| 11.1k|uint16_t addr_get_port(const ioa_addr *addr) { 418| 11.1k| if (!addr) { ------------------ | Branch (418:7): [True: 0, False: 11.1k] ------------------ 419| 0| return 0; 420| 0| } 421| | 422| 11.1k| if (addr->s4.sin_family == AF_INET) { ------------------ | Branch (422:7): [True: 10.9k, False: 271] ------------------ 423| 10.9k| return nswap16(addr->s4.sin_port); ------------------ | | 86| 10.9k|#define nswap16(s) ntohs(s) ------------------ 424| 10.9k| } else if (addr->s6.sin6_family == AF_INET6) { ------------------ | Branch (424:14): [True: 271, False: 0] ------------------ 425| 271| return nswap16(addr->s6.sin6_port); ------------------ | | 86| 271|#define nswap16(s) ntohs(s) ------------------ 426| 271| } 427| 0| return 0; 428| 11.1k|} ioa_addr_add_mapping: 679| 4|void ioa_addr_add_mapping(ioa_addr *apub, ioa_addr *apriv) { 680| 4| const size_t new_size = msz + sizeof(ioa_addr *); 681| 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__) ------------------ 682| 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__) ------------------ 683| 4| public_addrs[mcount] = (ioa_addr *)turn_malloc(sizeof(ioa_addr)); ------------------ | | 119| 4|#define turn_malloc(sz) turn_malloc_impl((sz), __FILE__, __LINE__) ------------------ 684| 4| private_addrs[mcount] = (ioa_addr *)turn_malloc(sizeof(ioa_addr)); ------------------ | | 119| 4|#define turn_malloc(sz) turn_malloc_impl((sz), __FILE__, __LINE__) ------------------ 685| 4| addr_cpy(public_addrs[mcount], apub); 686| 4| addr_cpy(private_addrs[mcount], apriv); 687| 4| ++mcount; 688| 4| msz += sizeof(ioa_addr *); 689| 4|} map_addr_from_public_to_private: 691| 78.9k|void map_addr_from_public_to_private(const ioa_addr *public_addr, ioa_addr *private_addr) { 692| 78.9k| size_t i; 693| 236k| for (i = 0; i < mcount; ++i) { ------------------ | Branch (693:15): [True: 157k, False: 78.5k] ------------------ 694| 157k| if (addr_eq_no_port(public_addr, public_addrs[i])) { ------------------ | Branch (694:9): [True: 433, False: 157k] ------------------ 695| 433| addr_cpy(private_addr, private_addrs[i]); 696| 433| addr_set_port(private_addr, addr_get_port(public_addr)); 697| 433| return; 698| 433| } 699| 157k| } 700| 78.5k| addr_cpy(private_addr, public_addr); 701| 78.5k|} map_addr_from_private_to_public: 703| 47.8k|void map_addr_from_private_to_public(const ioa_addr *private_addr, ioa_addr *public_addr) { 704| 47.8k| size_t i; 705| 143k| for (i = 0; i < mcount; ++i) { ------------------ | Branch (705:15): [True: 95.4k, False: 47.5k] ------------------ 706| 95.4k| if (addr_eq_no_port(private_addr, private_addrs[i])) { ------------------ | Branch (706:9): [True: 255, False: 95.2k] ------------------ 707| 255| addr_cpy(public_addr, public_addrs[i]); 708| 255| addr_set_port(public_addr, addr_get_port(private_addr)); 709| 255| return; 710| 255| } 711| 95.4k| } 712| 47.5k| addr_cpy(public_addr, private_addr); 713| 47.5k|} ns_turn_ioaddr.c:addr_cpy: 87| 126k|static inline void addr_cpy(ioa_addr *dst, const ioa_addr *src) { 88| 126k| if (dst && src) { ------------------ | Branch (88:7): [True: 126k, False: 0] | Branch (88:14): [True: 126k, False: 0] ------------------ 89| 126k| memcpy(dst, src, sizeof(ioa_addr)); 90| 126k| } 91| 126k|} ns_turn_msg.c:addr_cpy: 87| 10.4k|static inline void addr_cpy(ioa_addr *dst, const ioa_addr *src) { 88| 10.4k| if (dst && src) { ------------------ | Branch (88:7): [True: 10.4k, False: 0] | Branch (88:14): [True: 10.4k, False: 0] ------------------ 89| 10.4k| memcpy(dst, src, sizeof(ioa_addr)); 90| 10.4k| } 91| 10.4k|} turn_random_number: 123| 232k|long turn_random_number(void) { 124| 232k| long ret = 0; 125| 232k|#if defined(FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION) 126| 232k| 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| 232k| return ret; 136| 232k|} stun_get_command_message_len_str: 394| 918k|int stun_get_command_message_len_str(const uint8_t *buf, size_t len) { 395| 918k| if (len < STUN_HEADER_LENGTH) { ------------------ | | 46| 918k|#define STUN_HEADER_LENGTH (20) ------------------ | Branch (395:7): [True: 1.94k, False: 917k] ------------------ 396| 1.94k| return -1; 397| 1.94k| } 398| | 399| | /* Validate the size the buffer claims to be */ 400| 917k| const size_t bufLen = (size_t)(nswap16(((const uint16_t *)(buf))[1]) + STUN_HEADER_LENGTH); ------------------ | | 86| 917k|#define nswap16(s) ntohs(s) ------------------ const size_t bufLen = (size_t)(nswap16(((const uint16_t *)(buf))[1]) + STUN_HEADER_LENGTH); ------------------ | | 46| 917k|#define STUN_HEADER_LENGTH (20) ------------------ 401| 917k| if (bufLen > len) { ------------------ | Branch (401:7): [True: 8.74k, False: 908k] ------------------ 402| 8.74k| return -1; 403| 8.74k| } 404| | 405| 908k| return bufLen; 406| 917k|} stun_make_type: 418| 74.9k|uint16_t stun_make_type(uint16_t method) { 419| 74.9k| method = method & 0x0FFF; 420| 74.9k| return ((method & 0x000F) | ((method & 0x0070) << 1) | ((method & 0x0380) << 2) | ((method & 0x0C00) << 2)); 421| 74.9k|} stun_get_method_str: 423| 142k|uint16_t stun_get_method_str(const uint8_t *buf, size_t len) { 424| 142k| if (!buf || len < 2) { ------------------ | Branch (424:7): [True: 0, False: 142k] | Branch (424:15): [True: 0, False: 142k] ------------------ 425| 0| return (uint16_t)-1; 426| 0| } 427| | 428| 142k| const uint16_t tt = nswap16(((const uint16_t *)buf)[0]); ------------------ | | 86| 142k|#define nswap16(s) ntohs(s) ------------------ 429| | 430| 142k| return (tt & 0x000F) | ((tt & 0x00E0) >> 1) | ((tt & 0x0E00) >> 2) | ((tt & 0x3000) >> 2); 431| 142k|} stun_get_msg_type_str: 433| 461k|uint16_t stun_get_msg_type_str(const uint8_t *buf, size_t len) { 434| 461k| if (!buf || len < 2) { ------------------ | Branch (434:7): [True: 0, False: 461k] | Branch (434:15): [True: 73, False: 461k] ------------------ 435| 73| return (uint16_t)-1; 436| 73| } 437| 461k| return ((nswap16(((const uint16_t *)buf)[0])) & 0x3FFF); ------------------ | | 86| 461k|#define nswap16(s) ntohs(s) ------------------ 438| 461k|} is_channel_msg_str: 440| 326k|bool is_channel_msg_str(const uint8_t *buf, size_t blen) { 441| 326k| return (buf && blen >= 4 && STUN_VALID_CHANNEL(nswap16(((const uint16_t *)buf)[0]))); ------------------ | | 144| 325k|#define STUN_VALID_CHANNEL(chn) ((chn) >= 0x4000 && (chn) <= 0x7FFF) | | ------------------ | | | Branch (144:34): [True: 708, False: 325k] | | | Branch (144:53): [True: 521, False: 187] | | ------------------ ------------------ | Branch (441:11): [True: 326k, False: 0] | Branch (441:18): [True: 325k, False: 291] ------------------ 442| 326k|} stun_is_command_message_str: 446| 151k|bool stun_is_command_message_str(const uint8_t *buf, size_t blen) { 447| 151k| if (buf && blen >= STUN_HEADER_LENGTH) { ------------------ | | 46| 151k|#define STUN_HEADER_LENGTH (20) ------------------ | Branch (447:7): [True: 151k, False: 0] | Branch (447:14): [True: 150k, False: 123] ------------------ 448| 150k| if (!STUN_VALID_CHANNEL(nswap16(((const uint16_t *)buf)[0]))) { ------------------ | | 144| 150k|#define STUN_VALID_CHANNEL(chn) ((chn) >= 0x4000 && (chn) <= 0x7FFF) | | ------------------ | | | Branch (144:34): [True: 517, False: 150k] | | | Branch (144:53): [True: 438, False: 79] | | ------------------ ------------------ 449| 150k| if ((((uint8_t)buf[0]) & ((uint8_t)(0xC0))) == 0) { ------------------ | Branch (449:11): [True: 150k, False: 79] ------------------ 450| 150k| if (nswap32(((const uint32_t *)(buf))[1]) == STUN_MAGIC_COOKIE) { ------------------ | | 87| 150k|#define nswap32(ul) ntohl(ul) ------------------ if (nswap32(((const uint32_t *)(buf))[1]) == STUN_MAGIC_COOKIE) { ------------------ | | 56| 150k|#define STUN_MAGIC_COOKIE (0x2112A442) ------------------ | Branch (450:13): [True: 134k, False: 15.6k] ------------------ 451| 134k| const uint16_t len = nswap16(((const uint16_t *)(buf))[1]); ------------------ | | 86| 134k|#define nswap16(s) ntohs(s) ------------------ 452| 134k| if ((len & 0x0003) == 0) { ------------------ | Branch (452:15): [True: 134k, False: 4] ------------------ 453| 134k| if ((size_t)(len + STUN_HEADER_LENGTH) == blen) { ------------------ | | 46| 134k|#define STUN_HEADER_LENGTH (20) ------------------ | Branch (453:17): [True: 134k, False: 52] ------------------ 454| 134k| return true; 455| 134k| } 456| 134k| } 457| 134k| } 458| 150k| } 459| 150k| } 460| 150k| } 461| 16.3k| return false; 462| 151k|} stun_is_request_str: 513| 74.9k|bool stun_is_request_str(const uint8_t *buf, size_t len) { 514| 74.9k| if (is_channel_msg_str(buf, len)) { ------------------ | Branch (514:7): [True: 0, False: 74.9k] ------------------ 515| 0| return false; 516| 0| } 517| 74.9k| return IS_STUN_REQUEST(stun_get_msg_type_str(buf, len)); ------------------ | | 58| 74.9k|#define IS_STUN_REQUEST(msg_type) (((msg_type)&0x0110) == 0x0000) ------------------ 518| 74.9k|} stun_is_success_response_str: 520| 75.0k|bool stun_is_success_response_str(const uint8_t *buf, size_t len) { 521| 75.0k| if (is_channel_msg_str(buf, len)) { ------------------ | Branch (521:7): [True: 0, False: 75.0k] ------------------ 522| 0| return false; 523| 0| } 524| 75.0k| return IS_STUN_SUCCESS_RESP(stun_get_msg_type_str(buf, len)); ------------------ | | 60| 75.0k|#define IS_STUN_SUCCESS_RESP(msg_type) (((msg_type)&0x0110) == 0x0100) ------------------ 525| 75.0k|} stun_is_error_response_str: 527| 75.0k|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) { 528| 75.0k| if (is_channel_msg_str(buf, len)) { ------------------ | Branch (528:7): [True: 0, False: 75.0k] ------------------ 529| 0| return false; 530| 0| } 531| 75.0k| if (IS_STUN_ERR_RESP(stun_get_msg_type_str(buf, len))) { ------------------ | | 61| 75.0k|#define IS_STUN_ERR_RESP(msg_type) (((msg_type)&0x0110) == 0x0110) | | ------------------ | | | Branch (61:36): [True: 27.7k, False: 47.2k] | | ------------------ ------------------ 532| 27.7k| if (err_code) { ------------------ | Branch (532:9): [True: 27.7k, False: 0] ------------------ 533| 27.7k| stun_attr_ref sar = stun_attr_get_first_by_type_str(buf, len, STUN_ATTRIBUTE_ERROR_CODE); ------------------ | | 99| 27.7k|#define STUN_ATTRIBUTE_ERROR_CODE (0x0009) ------------------ 534| 27.7k| if (sar) { ------------------ | Branch (534:11): [True: 27.7k, False: 56] ------------------ 535| 27.7k| if (stun_attr_get_len(sar) >= 4) { ------------------ | Branch (535:13): [True: 27.7k, False: 12] ------------------ 536| 27.7k| const uint8_t *val = (const uint8_t *)stun_attr_get_value(sar); 537| 27.7k| *err_code = (int)(val[2] * 100 + val[3]); 538| 27.7k| if (err_msg && err_msg_size > 0) { ------------------ | Branch (538:15): [True: 27.7k, False: 0] | Branch (538:26): [True: 27.7k, False: 0] ------------------ 539| 27.7k| err_msg[0] = 0; 540| 27.7k| if (stun_attr_get_len(sar) > 4) { ------------------ | Branch (540:17): [True: 14.2k, False: 13.4k] ------------------ 541| 14.2k| size_t msg_len = stun_attr_get_len(sar) - 4; 542| 14.2k| if (msg_len > (err_msg_size - 1)) { ------------------ | Branch (542:19): [True: 15, False: 14.2k] ------------------ 543| 15| msg_len = err_msg_size - 1; 544| 15| } 545| 14.2k| memcpy(err_msg, val + 4, msg_len); 546| 14.2k| err_msg[msg_len] = 0; 547| 14.2k| } 548| 27.7k| } 549| 27.7k| } 550| 27.7k| } 551| 27.7k| } 552| 27.7k| return true; 553| 27.7k| } 554| 47.2k| return false; 555| 75.0k|} stun_is_response_str: 612| 96.0k|bool stun_is_response_str(const uint8_t *buf, size_t len) { 613| 96.0k| if (is_channel_msg_str(buf, len)) { ------------------ | Branch (613:7): [True: 0, False: 96.0k] ------------------ 614| 0| return false; 615| 0| } 616| 96.0k| if (IS_STUN_SUCCESS_RESP(stun_get_msg_type_str(buf, len))) { ------------------ | | 60| 96.0k|#define IS_STUN_SUCCESS_RESP(msg_type) (((msg_type)&0x0110) == 0x0100) | | ------------------ | | | Branch (60:40): [True: 35.5k, False: 60.5k] | | ------------------ ------------------ 617| 35.5k| return true; 618| 35.5k| } 619| 60.5k| if (IS_STUN_ERR_RESP(stun_get_msg_type_str(buf, len))) { ------------------ | | 61| 60.5k|#define IS_STUN_ERR_RESP(msg_type) (((msg_type)&0x0110) == 0x0110) | | ------------------ | | | Branch (61:36): [True: 37.2k, False: 23.2k] | | ------------------ ------------------ 620| 37.2k| return true; 621| 37.2k| } 622| 23.2k| return false; 623| 60.5k|} stun_is_indication_str: 625| 150|bool stun_is_indication_str(const uint8_t *buf, size_t len) { 626| 150| if (is_channel_msg_str(buf, len)) { ------------------ | Branch (626:7): [True: 0, False: 150] ------------------ 627| 0| return false; 628| 0| } 629| 150| return IS_STUN_INDICATION(stun_get_msg_type_str(buf, len)); ------------------ | | 59| 150|#define IS_STUN_INDICATION(msg_type) (((msg_type)&0x0110) == 0x0010) ------------------ 630| 150|} stun_make_request: 632| 17.9k|uint16_t stun_make_request(uint16_t method) { return GET_STUN_REQUEST(stun_make_type(method)); } ------------------ | | 63| 17.9k|#define GET_STUN_REQUEST(msg_type) (msg_type & 0xFEEF) ------------------ stun_make_indication: 634| 1.62k|uint16_t stun_make_indication(uint16_t method) { return GET_STUN_INDICATION(stun_make_type(method)); } ------------------ | | 64| 1.62k|#define GET_STUN_INDICATION(msg_type) ((msg_type & 0xFEEF) | 0x0010) ------------------ stun_make_success_response: 636| 27.6k|uint16_t stun_make_success_response(uint16_t method) { return GET_STUN_SUCCESS_RESP(stun_make_type(method)); } ------------------ | | 65| 27.6k|#define GET_STUN_SUCCESS_RESP(msg_type) ((msg_type & 0xFEEF) | 0x0100) ------------------ stun_make_error_response: 638| 27.6k|uint16_t stun_make_error_response(uint16_t method) { return GET_STUN_ERR_RESP(stun_make_type(method)); } ------------------ | | 66| 27.6k|#define GET_STUN_ERR_RESP(msg_type) (msg_type | 0x0110) ------------------ stun_init_buffer_str: 642| 74.9k|void stun_init_buffer_str(uint8_t *buf, size_t *len) { 643| 74.9k| *len = STUN_HEADER_LENGTH; ------------------ | | 46| 74.9k|#define STUN_HEADER_LENGTH (20) ------------------ 644| 74.9k| memset(buf, 0, *len); 645| 74.9k|} stun_init_command_str: 647| 67.0k|void stun_init_command_str(uint16_t message_type, uint8_t *buf, size_t *len) { 648| 67.0k| stun_init_buffer_str(buf, len); 649| 67.0k| message_type &= (uint16_t)(0x3FFF); 650| 67.0k| ((uint16_t *)buf)[0] = nswap16(message_type); ------------------ | | 86| 67.0k|#define nswap16(s) ntohs(s) ------------------ 651| 67.0k| ((uint16_t *)buf)[1] = 0; 652| 67.0k| ((uint32_t *)buf)[1] = nswap32(STUN_MAGIC_COOKIE); ------------------ | | 87| 67.0k|#define nswap32(ul) ntohl(ul) ------------------ 653| | stun_tid_generate_in_message_str(buf, NULL); 654| 67.0k|} old_stun_init_command_str: 656| 7.83k|void old_stun_init_command_str(uint16_t message_type, uint8_t *buf, size_t *len, uint32_t cookie) { 657| 7.83k| stun_init_buffer_str(buf, len); 658| 7.83k| message_type &= (uint16_t)(0x3FFF); 659| 7.83k| ((uint16_t *)buf)[0] = nswap16(message_type); ------------------ | | 86| 7.83k|#define nswap16(s) ntohs(s) ------------------ 660| 7.83k| ((uint16_t *)buf)[1] = 0; 661| 7.83k| ((uint32_t *)buf)[1] = nswap32(cookie); ------------------ | | 87| 7.83k|#define nswap32(ul) ntohl(ul) ------------------ 662| | stun_tid_generate_in_message_str(buf, NULL); 663| 7.83k|} stun_init_request_str: 665| 16.2k|void stun_init_request_str(uint16_t method, uint8_t *buf, size_t *len) { 666| 16.2k| stun_init_command_str(stun_make_request(method), buf, len); 667| 16.2k|} stun_init_success_response_str: 673| 23.7k|void stun_init_success_response_str(uint16_t method, uint8_t *buf, size_t *len, stun_tid *id) { 674| 23.7k| stun_init_command_str(stun_make_success_response(method), buf, len); 675| 23.7k| if (id) { ------------------ | Branch (675:7): [True: 23.7k, False: 0] ------------------ 676| 23.7k| stun_tid_message_cpy(buf, id); 677| 23.7k| } 678| 23.7k|} old_stun_init_success_response_str: 680| 3.91k|void old_stun_init_success_response_str(uint16_t method, uint8_t *buf, size_t *len, stun_tid *id, uint32_t cookie) { 681| 3.91k| old_stun_init_command_str(stun_make_success_response(method), buf, len, cookie); 682| 3.91k| if (id) { ------------------ | Branch (682:7): [True: 3.91k, False: 0] ------------------ 683| 3.91k| stun_tid_message_cpy(buf, id); 684| 3.91k| } 685| 3.91k|} get_default_reason: 687| 1.00k|const uint8_t *get_default_reason(int error_code) { 688| 1.00k| const char *reason = "Unknown error"; 689| | 690| 1.00k| switch (error_code) { 691| 402| case 300: ------------------ | Branch (691:3): [True: 402, False: 606] ------------------ 692| 402| reason = "Try Alternate"; 693| 402| break; 694| 60| case 400: ------------------ | Branch (694:3): [True: 60, False: 948] ------------------ 695| 60| reason = "Bad Request"; 696| 60| break; 697| 24| case 401: ------------------ | Branch (697:3): [True: 24, False: 984] ------------------ 698| 24| reason = "Unauthorized"; 699| 24| break; 700| 108| case 403: ------------------ | Branch (700:3): [True: 108, False: 900] ------------------ 701| 108| reason = "Forbidden"; 702| 108| break; 703| 0| case 404: ------------------ | Branch (703:3): [True: 0, False: 1.00k] ------------------ 704| 0| reason = "Not Found"; 705| 0| break; 706| 24| case 420: ------------------ | Branch (706:3): [True: 24, False: 984] ------------------ 707| 24| reason = "Unknown Attribute"; 708| 24| break; 709| 30| case 437: ------------------ | Branch (709:3): [True: 30, False: 978] ------------------ 710| 30| reason = "Allocation Mismatch"; 711| 30| break; 712| 30| case 438: ------------------ | Branch (712:3): [True: 30, False: 978] ------------------ 713| 30| reason = "Stale Nonce"; 714| 30| break; 715| 30| case 440: ------------------ | Branch (715:3): [True: 30, False: 978] ------------------ 716| 30| reason = "Address Family not Supported"; 717| 30| break; 718| 24| case 441: ------------------ | Branch (718:3): [True: 24, False: 984] ------------------ 719| 24| reason = "Wrong Credentials"; 720| 24| break; 721| 30| case 442: ------------------ | Branch (721:3): [True: 30, False: 978] ------------------ 722| 30| reason = "Unsupported Transport Protocol"; 723| 30| break; 724| 12| case 443: ------------------ | Branch (724:3): [True: 12, False: 996] ------------------ 725| 12| reason = "Peer Address Family Mismatch"; 726| 12| break; 727| 48| case 446: ------------------ | Branch (727:3): [True: 48, False: 960] ------------------ 728| 48| reason = "Connection Already Exists"; 729| 48| break; 730| 24| case 447: ------------------ | Branch (730:3): [True: 24, False: 984] ------------------ 731| 24| reason = "Connection Timeout or Failure"; 732| 24| break; 733| 42| case 486: ------------------ | Branch (733:3): [True: 42, False: 966] ------------------ 734| 42| reason = "Allocation Quota Reached"; 735| 42| break; 736| 42| case 487: ------------------ | Branch (736:3): [True: 42, False: 966] ------------------ 737| 42| reason = "Role Conflict"; 738| 42| break; 739| 30| case 500: ------------------ | Branch (739:3): [True: 30, False: 978] ------------------ 740| 30| reason = "Server Error"; 741| 30| break; 742| 24| case 508: ------------------ | Branch (742:3): [True: 24, False: 984] ------------------ 743| 24| reason = "Insufficient Capacity"; 744| 24| break; 745| 24| default:; ------------------ | Branch (745:3): [True: 24, False: 984] ------------------ 746| 1.00k| }; 747| | 748| 1.00k| return (const uint8_t *)reason; 749| 1.00k|} old_stun_init_error_response_str: 786| 3.91k| bool include_reason_string) { 787| | 788| 3.91k| old_stun_init_command_str(stun_make_error_response(method), buf, len, cookie); 789| | 790| 3.91k| stun_init_error_response_common_str(buf, len, error_code, reason, id, include_reason_string); 791| 3.91k|} stun_init_error_response_str: 794| 23.7k| const uint8_t *reason, stun_tid *id, bool include_reason_string) { 795| | 796| 23.7k| stun_init_command_str(stun_make_error_response(method), buf, len); 797| | 798| 23.7k| stun_init_error_response_common_str(buf, len, error_code, reason, id, include_reason_string); 799| 23.7k|} stun_init_channel_message_str: 803| 1.62k|bool stun_init_channel_message_str(uint16_t chnumber, uint8_t *buf, size_t *len, int length, bool do_padding) { 804| 1.62k| uint16_t rlen = (uint16_t)length; 805| | 806| 1.62k| if (length < 0 || (MAX_STUN_MESSAGE_SIZE < (4 + length))) { ------------------ | | 179| 1.62k|#define MAX_STUN_MESSAGE_SIZE (65507) ------------------ | Branch (806:7): [True: 0, False: 1.62k] | Branch (806:21): [True: 0, False: 1.62k] ------------------ 807| 0| return false; 808| 0| } 809| 1.62k| ((uint16_t *)(buf))[0] = nswap16(chnumber); ------------------ | | 86| 1.62k|#define nswap16(s) ntohs(s) ------------------ 810| 1.62k| ((uint16_t *)(buf))[1] = nswap16((uint16_t)length); ------------------ | | 86| 1.62k|#define nswap16(s) ntohs(s) ------------------ 811| | 812| 1.62k| if (do_padding && (rlen & 0x0003)) { ------------------ | Branch (812:7): [True: 644, False: 985] | Branch (812:21): [True: 448, False: 196] ------------------ 813| 448| const uint16_t padded = ((rlen >> 2) + 1) << 2; 814| | // Zero the pad bytes so stale buffer contents are not leaked on the wire 815| | // (matches the padding handling in stun_attr_add_str). 816| 448| memset(buf + 4 + rlen, 0, (size_t)(padded - rlen)); 817| 448| rlen = padded; 818| 448| } 819| | 820| 1.62k| *len = 4 + rlen; 821| | 822| | return true; 823| 1.62k|} stun_is_channel_message_str: 825| 9.33k|bool stun_is_channel_message_str(const uint8_t *buf, size_t *blen, uint16_t *chnumber, bool mandatory_padding) { 826| 9.33k| uint16_t datalen_header; 827| 9.33k| uint16_t datalen_actual; 828| | 829| 9.33k| if (!blen || (*blen < 4)) { ------------------ | Branch (829:7): [True: 0, False: 9.33k] | Branch (829:16): [True: 582, False: 8.75k] ------------------ 830| 582| return false; 831| 582| } 832| | 833| 8.75k| const uint16_t chn = nswap16(((const uint16_t *)(buf))[0]); ------------------ | | 86| 8.75k|#define nswap16(s) ntohs(s) ------------------ 834| 8.75k| if (!STUN_VALID_CHANNEL(chn)) { ------------------ | | 144| 8.75k|#define STUN_VALID_CHANNEL(chn) ((chn) >= 0x4000 && (chn) <= 0x7FFF) | | ------------------ | | | Branch (144:34): [True: 6.18k, False: 2.56k] | | | Branch (144:53): [True: 5.43k, False: 756] | | ------------------ ------------------ 835| 3.32k| return false; 836| 3.32k| } 837| | 838| | /* Clamp to uint16_t range for comparison without mutating the caller's 839| | * *blen — the modification to *blen at the end of this function is 840| | * intentional (it reports actual message length consumed), but clamping 841| | * during validation must not alter the caller's view of the buffer size 842| | * if the function later returns false (issue #1837). */ 843| 5.43k| const uint16_t blen16 = (*blen > (uint16_t)-1) ? (uint16_t)-1 : (uint16_t)*blen; ------------------ | Branch (843:27): [True: 0, False: 5.43k] ------------------ 844| 5.43k| datalen_actual = blen16 - 4; 845| 5.43k| datalen_header = ((const uint16_t *)buf)[1]; 846| 5.43k| datalen_header = nswap16(datalen_header); ------------------ | | 86| 5.43k|#define nswap16(s) ntohs(s) ------------------ 847| | 848| 5.43k| if (datalen_header > datalen_actual) { ------------------ | Branch (848:7): [True: 1.57k, False: 3.85k] ------------------ 849| 1.57k| return false; 850| 1.57k| } 851| | 852| 3.85k| if (datalen_header != datalen_actual) { ------------------ | Branch (852:7): [True: 984, False: 2.86k] ------------------ 853| | 854| | /* maybe there are padding bytes for 32-bit alignment. Mandatory for TCP. Optional for UDP */ 855| | 856| 984| if (datalen_actual & 0x0003) { ------------------ | Branch (856:9): [True: 228, False: 756] ------------------ 857| | 858| 228| if (mandatory_padding) { ------------------ | Branch (858:11): [True: 114, False: 114] ------------------ 859| 114| return false; 860| 114| } else if (datalen_header == 0) { ------------------ | Branch (860:18): [True: 30, False: 84] ------------------ 861| 30| return false; 862| 84| } else { 863| 84| const uint16_t diff = datalen_actual - datalen_header; 864| 84| if (diff > 3) { ------------------ | Branch (864:13): [True: 79, False: 5] ------------------ 865| 79| return false; 866| 79| } 867| 84| } 868| 228| } 869| 984| } 870| | 871| 3.62k| *blen = datalen_header + 4; 872| | 873| 3.62k| if (chnumber) { ------------------ | Branch (873:7): [True: 3.62k, False: 0] ------------------ 874| 3.62k| *chnumber = chn; 875| 3.62k| } 876| | 877| | return true; 878| 3.85k|} is_http: 926| 2.43k|int is_http(const char *s, size_t blen) { 927| 2.43k| if (s && blen >= 12) { ------------------ | Branch (927:7): [True: 2.43k, False: 0] | Branch (927:12): [True: 1.96k, False: 470] ------------------ 928| 1.96k| if (has_prefix(s, blen, "GET ", false) || has_prefix(s, blen, "POST ", false) || ------------------ | Branch (928:9): [True: 134, False: 1.82k] | Branch (928:47): [True: 318, False: 1.51k] ------------------ 929| 1.51k| has_prefix(s, blen, "DELETE ", false) || has_prefix(s, blen, "PUT ", false)) { ------------------ | Branch (929:9): [True: 8, False: 1.50k] | Branch (929:50): [True: 270, False: 1.23k] ------------------ 930| 730| const char *sp = findstr(s + 4, blen - 4, " HTTP/", false); 931| 730| if (sp) { ------------------ | Branch (931:11): [True: 686, False: 44] ------------------ 932| 686| sp += 6; 933| 686| const size_t diff_blen = sp - s; 934| 686| if (diff_blen + 4 <= blen) { ------------------ | Branch (934:13): [True: 658, False: 28] ------------------ 935| 658| sp = findstr(sp, blen - diff_blen, "\r\n\r\n", false); 936| 658| if (sp) { ------------------ | Branch (936:15): [True: 594, False: 64] ------------------ 937| 594| int ret_len = (int)(sp - s + 4); 938| 594| const char *clheader = "content-length: "; 939| 594| const char *cl = findstr(s, sp - s, clheader, true); 940| 594| if (cl) { ------------------ | Branch (940:17): [True: 402, False: 192] ------------------ 941| 402| const unsigned long clen = strtoul(cl + strlen(clheader), NULL, 10); 942| 402| if (clen > 0 && clen < (0x0FFFFFFF)) { ------------------ | Branch (942:19): [True: 394, False: 8] | Branch (942:31): [True: 166, False: 228] ------------------ 943| 166| ret_len += (int)clen; 944| 166| } 945| 402| } 946| 594| return ret_len; 947| 594| } 948| 658| } 949| 686| } 950| 730| } 951| 1.96k| } 952| 1.83k| return 0; 953| 2.43k|} stun_get_message_len_str: 955| 2.81k|int stun_get_message_len_str(uint8_t *buf, size_t blen, int padding, size_t *app_len) { 956| 2.81k| if (buf && blen) { ------------------ | Branch (956:7): [True: 2.81k, False: 0] | Branch (956:14): [True: 2.81k, False: 0] ------------------ 957| | /* STUN request/response ? */ 958| 2.81k| if (buf && blen >= STUN_HEADER_LENGTH) { ------------------ | | 46| 2.81k|#define STUN_HEADER_LENGTH (20) ------------------ | Branch (958:9): [True: 2.81k, False: 0] | Branch (958:16): [True: 2.13k, False: 686] ------------------ 959| 2.13k| if (!STUN_VALID_CHANNEL(nswap16(((const uint16_t *)buf)[0]))) { ------------------ | | 144| 2.13k|#define STUN_VALID_CHANNEL(chn) ((chn) >= 0x4000 && (chn) <= 0x7FFF) | | ------------------ | | | Branch (144:34): [True: 1.08k, False: 1.04k] | | | Branch (144:53): [True: 920, False: 162] | | ------------------ ------------------ 960| 1.21k| if ((((uint8_t)buf[0]) & ((uint8_t)(0xC0))) == 0) { ------------------ | Branch (960:13): [True: 1.04k, False: 162] ------------------ 961| 1.04k| if (nswap32(((const uint32_t *)(buf))[1]) == STUN_MAGIC_COOKIE) { ------------------ | | 87| 1.04k|#define nswap32(ul) ntohl(ul) ------------------ if (nswap32(((const uint32_t *)(buf))[1]) == STUN_MAGIC_COOKIE) { ------------------ | | 56| 1.04k|#define STUN_MAGIC_COOKIE (0x2112A442) ------------------ | Branch (961:15): [True: 430, False: 618] ------------------ 962| | /* Use uint32_t to avoid uint16_t truncation overflow when the body 963| | * length is near 0xFFFF: e.g. 65532 + STUN_HEADER_LENGTH (20) = 964| | * 65552, which wraps to 16 in uint16_t and lets the truncated value 965| | * pass the bounds check, desynchronizing TCP/TLS framing. Mirrors 966| | * the channel-data path below. */ 967| 430| uint32_t len = (uint32_t)nswap16(((const uint16_t *)(buf))[1]); ------------------ | | 86| 430|#define nswap16(s) ntohs(s) ------------------ 968| 430| if ((len & 0x0003u) == 0) { ------------------ | Branch (968:17): [True: 422, False: 8] ------------------ 969| 422| len += STUN_HEADER_LENGTH; ------------------ | | 46| 422|#define STUN_HEADER_LENGTH (20) ------------------ 970| 422| if (len <= blen) { ------------------ | Branch (970:19): [True: 384, False: 38] ------------------ 971| 384| *app_len = len; 972| 384| return (int)len; 973| 384| } 974| 422| } 975| 430| } 976| 1.04k| } 977| 1.21k| } 978| 2.13k| } 979| | 980| | // HTTP request ? 981| 2.43k| { 982| 2.43k| const int http_len = is_http(((char *)buf), blen); 983| 2.43k| if ((http_len > 0) && ((size_t)http_len <= blen)) { ------------------ | Branch (983:11): [True: 594, False: 1.83k] | Branch (983:29): [True: 430, False: 164] ------------------ 984| 430| *app_len = (size_t)http_len; 985| 430| return http_len; 986| 430| } 987| 2.43k| } 988| | 989| | /* STUN channel ? */ 990| 2.00k| if (blen >= 4) { ------------------ | Branch (990:9): [True: 2.00k, False: 0] ------------------ 991| 2.00k| const uint16_t chn = nswap16(((const uint16_t *)(buf))[0]); ------------------ | | 86| 2.00k|#define nswap16(s) ntohs(s) ------------------ 992| 2.00k| if (STUN_VALID_CHANNEL(chn)) { ------------------ | | 144| 2.00k|#define STUN_VALID_CHANNEL(chn) ((chn) >= 0x4000 && (chn) <= 0x7FFF) | | ------------------ | | | Branch (144:34): [True: 1.08k, False: 920] | | | Branch (144:53): [True: 700, False: 382] | | ------------------ ------------------ 993| | 994| | /* Use uint32_t to avoid uint16_t truncation overflow when data_len is 995| | * near 0xFFFF: 4 + 0xFFFF = 65539, which wraps to 3 in uint16_t and 996| | * causes TCP framing bypass (CVE candidate, issue #1837). */ 997| 700| uint32_t bret = 4u + (uint32_t)nswap16(((const uint16_t *)(buf))[1]); ------------------ | | 86| 700|#define nswap16(s) ntohs(s) ------------------ 998| | 999| 700| *app_len = bret; 1000| | 1001| 700| if (padding && (bret & 0x0003u)) { ------------------ | Branch (1001:13): [True: 350, False: 350] | Branch (1001:24): [True: 114, False: 236] ------------------ 1002| 114| bret = ((bret >> 2) + 1u) << 2; 1003| 114| } 1004| | 1005| 700| if (bret <= blen) { ------------------ | Branch (1005:13): [True: 301, False: 399] ------------------ 1006| 301| return (int)bret; 1007| 301| } 1008| 700| } 1009| 2.00k| } 1010| 2.00k| } 1011| | 1012| 1.70k| return -1; 1013| 2.81k|} stun_set_allocate_request_str: 1018| 3.25k| bool mobile, const char *rt, int ep) { 1019| | 1020| 3.25k| stun_init_request_str(STUN_METHOD_ALLOCATE, buf, len); ------------------ | | 78| 3.25k|#define STUN_METHOD_ALLOCATE (0x0003) ------------------ 1021| | 1022| | // REQUESTED-TRANSPORT 1023| 3.25k| { 1024| 3.25k| uint8_t field[4]; 1025| 3.25k| field[0] = transport; 1026| 3.25k| field[1] = 0; 1027| 3.25k| field[2] = 0; 1028| 3.25k| field[3] = 0; 1029| 3.25k| if (!stun_attr_add_str(buf, len, STUN_ATTRIBUTE_REQUESTED_TRANSPORT, field, sizeof(field))) { ------------------ | | 120| 3.25k|#define STUN_ATTRIBUTE_REQUESTED_TRANSPORT (0x0019) ------------------ | Branch (1029:9): [True: 0, False: 3.25k] ------------------ 1030| 0| return false; 1031| 0| } 1032| 3.25k| } 1033| | 1034| | // LIFETIME 1035| 3.25k| { 1036| 3.25k| if (lifetime < 1) { ------------------ | Branch (1036:9): [True: 346, False: 2.91k] ------------------ 1037| 346| lifetime = STUN_DEFAULT_ALLOCATE_LIFETIME; ------------------ | | 69| 346|#define STUN_DEFAULT_ALLOCATE_LIFETIME (600) ------------------ 1038| 346| } 1039| 3.25k| uint32_t field = nswap32(lifetime); ------------------ | | 87| 3.25k|#define nswap32(ul) ntohl(ul) ------------------ 1040| 3.25k| if (!stun_attr_add_str(buf, len, STUN_ATTRIBUTE_LIFETIME, (uint8_t *)(&field), sizeof(field))) { ------------------ | | 114| 3.25k|#define STUN_ATTRIBUTE_LIFETIME (0x000D) ------------------ | Branch (1040:9): [True: 0, False: 3.25k] ------------------ 1041| 0| return false; 1042| 0| } 1043| 3.25k| } 1044| | 1045| | // MICE 1046| 3.25k| if (mobile) { ------------------ | Branch (1046:7): [True: 1.62k, False: 1.62k] ------------------ 1047| 1.62k| if (!stun_attr_add_str(buf, len, STUN_ATTRIBUTE_MOBILITY_TICKET, (const uint8_t *)"", 0)) { ------------------ | | 47| 1.62k|#define STUN_ATTRIBUTE_MOBILITY_TICKET (0x8030) ------------------ | Branch (1047:9): [True: 0, False: 1.62k] ------------------ 1048| 0| return false; 1049| 0| } 1050| 1.62k| } 1051| | 1052| 3.25k| if (ep > -1) { ------------------ | Branch (1052:7): [True: 2.41k, False: 840] ------------------ 1053| 2.41k| uint8_t value = ep ? 0x80 : 0x00; ------------------ | Branch (1053:21): [True: 1.43k, False: 982] ------------------ 1054| 2.41k| if (!stun_attr_add_str(buf, len, STUN_ATTRIBUTE_EVEN_PORT, (const uint8_t *)&value, 1)) { ------------------ | | 119| 2.41k|#define STUN_ATTRIBUTE_EVEN_PORT (0x0018) ------------------ | Branch (1054:9): [True: 0, False: 2.41k] ------------------ 1055| 0| return false; 1056| 0| } 1057| 2.41k| } 1058| | 1059| | // RESERVATION-TOKEN, EVEN-PORT and DUAL-ALLOCATION are mutually exclusive: 1060| 3.25k| if (rt) { ------------------ | Branch (1060:7): [True: 996, False: 2.26k] ------------------ 1061| | 1062| 996| stun_attr_add_str(buf, len, STUN_ATTRIBUTE_RESERVATION_TOKEN, (const uint8_t *)rt, 8); ------------------ | | 123| 996|#define STUN_ATTRIBUTE_RESERVATION_TOKEN (0x0022) ------------------ 1063| | 1064| 2.26k| } else { 1065| | 1066| | // ADRESS-FAMILY 1067| 2.26k| if (af4 && !af6) { ------------------ | Branch (1067:9): [True: 1.10k, False: 1.15k] | Branch (1067:16): [True: 329, False: 775] ------------------ 1068| 329| uint8_t field[4]; 1069| 329| field[0] = (uint8_t)STUN_ATTRIBUTE_REQUESTED_ADDRESS_FAMILY_VALUE_IPV4; ------------------ | | 149| 329|#define STUN_ATTRIBUTE_REQUESTED_ADDRESS_FAMILY_VALUE_IPV4 (0x01) ------------------ 1070| 329| field[1] = 0; 1071| 329| field[2] = 0; 1072| 329| field[3] = 0; 1073| 329| if (!stun_attr_add_str(buf, len, STUN_ATTRIBUTE_REQUESTED_ADDRESS_FAMILY, field, sizeof(field))) { ------------------ | | 104| 329|#define STUN_ATTRIBUTE_REQUESTED_ADDRESS_FAMILY (0x0017) ------------------ | Branch (1073:11): [True: 0, False: 329] ------------------ 1074| 0| return false; 1075| 0| } 1076| 329| } 1077| | 1078| 2.26k| if (af6 && !af4) { ------------------ | Branch (1078:9): [True: 1.17k, False: 1.08k] | Branch (1078:16): [True: 401, False: 775] ------------------ 1079| 401| uint8_t field[4]; 1080| 401| field[0] = (uint8_t)STUN_ATTRIBUTE_REQUESTED_ADDRESS_FAMILY_VALUE_IPV6; ------------------ | | 150| 401|#define STUN_ATTRIBUTE_REQUESTED_ADDRESS_FAMILY_VALUE_IPV6 (0x02) ------------------ 1081| 401| field[1] = 0; 1082| 401| field[2] = 0; 1083| 401| field[3] = 0; 1084| 401| if (!stun_attr_add_str(buf, len, STUN_ATTRIBUTE_REQUESTED_ADDRESS_FAMILY, field, sizeof(field))) { ------------------ | | 104| 401|#define STUN_ATTRIBUTE_REQUESTED_ADDRESS_FAMILY (0x0017) ------------------ | Branch (1084:11): [True: 0, False: 401] ------------------ 1085| 0| return false; 1086| 0| } 1087| 401| } 1088| | 1089| 2.26k| if (af4 && af6) { ------------------ | Branch (1089:9): [True: 1.10k, False: 1.15k] | Branch (1089:16): [True: 775, False: 329] ------------------ 1090| 775| uint8_t field[4]; 1091| 775| field[0] = (uint8_t)STUN_ATTRIBUTE_REQUESTED_ADDRESS_FAMILY_VALUE_IPV6; ------------------ | | 150| 775|#define STUN_ATTRIBUTE_REQUESTED_ADDRESS_FAMILY_VALUE_IPV6 (0x02) ------------------ 1092| 775| field[1] = 0; 1093| 775| field[2] = 0; 1094| 775| field[3] = 0; 1095| 775| if (!stun_attr_add_str(buf, len, STUN_ATTRIBUTE_ADDITIONAL_ADDRESS_FAMILY, field, sizeof(field))) { ------------------ | | 140| 775|#define STUN_ATTRIBUTE_ADDITIONAL_ADDRESS_FAMILY (0x8000) ------------------ | Branch (1095:11): [True: 0, False: 775] ------------------ 1096| 0| return false; 1097| 0| } 1098| 775| } 1099| 2.26k| } 1100| | 1101| 3.25k| return true; 1102| 3.25k|} stun_set_allocate_response_str: 1107| 16.2k| uint64_t reservation_token, char *mobile_id, bool include_reason_string) { 1108| | 1109| 16.2k| if (!error_code) { ------------------ | Branch (1109:7): [True: 9.77k, False: 6.51k] ------------------ 1110| | 1111| 9.77k| stun_init_success_response_str(STUN_METHOD_ALLOCATE, buf, len, tid); ------------------ | | 78| 9.77k|#define STUN_METHOD_ALLOCATE (0x0003) ------------------ 1112| | 1113| 9.77k| if (relayed_addr1) { ------------------ | Branch (1113:9): [True: 9.77k, False: 0] ------------------ 1114| 9.77k| if (!stun_attr_add_addr_str(buf, len, STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS, relayed_addr1)) { ------------------ | | 118| 9.77k|#define STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS (0x0016) ------------------ | Branch (1114:11): [True: 0, False: 9.77k] ------------------ 1115| 0| return false; 1116| 0| } 1117| 9.77k| } 1118| | 1119| 9.77k| if (relayed_addr2) { ------------------ | Branch (1119:9): [True: 5.48k, False: 4.28k] ------------------ 1120| 5.48k| if (!stun_attr_add_addr_str(buf, len, STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS, relayed_addr2)) { ------------------ | | 118| 5.48k|#define STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS (0x0016) ------------------ | Branch (1120:11): [True: 0, False: 5.48k] ------------------ 1121| 0| return false; 1122| 0| } 1123| 5.48k| } 1124| | 1125| 9.77k| if (reflexive_addr) { ------------------ | Branch (1125:9): [True: 6.51k, False: 3.25k] ------------------ 1126| 6.51k| if (!stun_attr_add_addr_str(buf, len, STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS, reflexive_addr)) { ------------------ | | 105| 6.51k|#define STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS (0x0020) ------------------ | Branch (1126:11): [True: 0, False: 6.51k] ------------------ 1127| 0| return false; 1128| 0| } 1129| 6.51k| } 1130| | 1131| 9.77k| if (reservation_token) { ------------------ | Branch (1131:9): [True: 6.39k, False: 3.38k] ------------------ 1132| 6.39k| reservation_token = nswap64(reservation_token); ------------------ | | 88| 6.39k|#define nswap64(ull) ioa_ntoh64(ull) | | ------------------ | | | | 115| 6.39k|#define ioa_ntoh64 _ioa_ntoh64 | | ------------------ ------------------ 1133| 6.39k| stun_attr_add_str(buf, len, STUN_ATTRIBUTE_RESERVATION_TOKEN, (uint8_t *)(&reservation_token), 8); ------------------ | | 123| 6.39k|#define STUN_ATTRIBUTE_RESERVATION_TOKEN (0x0022) ------------------ 1134| 6.39k| } 1135| | 1136| 9.77k| { 1137| 9.77k| if (lifetime < 1) { ------------------ | Branch (1137:11): [True: 3.61k, False: 6.15k] ------------------ 1138| 3.61k| lifetime = STUN_DEFAULT_ALLOCATE_LIFETIME; ------------------ | | 69| 3.61k|#define STUN_DEFAULT_ALLOCATE_LIFETIME (600) ------------------ 1139| 6.15k| } else if (lifetime > max_lifetime) { ------------------ | Branch (1139:18): [True: 4.44k, False: 1.71k] ------------------ 1140| 4.44k| lifetime = max_lifetime; 1141| 4.44k| } 1142| | 1143| 9.77k| uint32_t field = nswap32(lifetime); ------------------ | | 87| 9.77k|#define nswap32(ul) ntohl(ul) ------------------ 1144| 9.77k| if (!stun_attr_add_str(buf, len, STUN_ATTRIBUTE_LIFETIME, (uint8_t *)(&field), sizeof(field))) { ------------------ | | 114| 9.77k|#define STUN_ATTRIBUTE_LIFETIME (0x000D) ------------------ | Branch (1144:11): [True: 0, False: 9.77k] ------------------ 1145| 0| return false; 1146| 0| } 1147| 9.77k| } 1148| | 1149| 9.77k| if (mobile_id && *mobile_id) { ------------------ | Branch (1149:9): [True: 6.51k, False: 3.25k] | Branch (1149:22): [True: 4.50k, False: 2.00k] ------------------ 1150| 4.50k| if (!stun_attr_add_str(buf, len, STUN_ATTRIBUTE_MOBILITY_TICKET, (uint8_t *)mobile_id, (int)strlen(mobile_id))) { ------------------ | | 47| 4.50k|#define STUN_ATTRIBUTE_MOBILITY_TICKET (0x8030) ------------------ | Branch (1150:11): [True: 0, False: 4.50k] ------------------ 1151| 0| return false; 1152| 0| } 1153| 4.50k| } 1154| | 1155| 9.77k| } else { 1156| 6.51k| stun_init_error_response_str(STUN_METHOD_ALLOCATE, buf, len, error_code, reason, tid, include_reason_string); ------------------ | | 78| 6.51k|#define STUN_METHOD_ALLOCATE (0x0003) ------------------ 1157| 6.51k| } 1158| | 1159| 16.2k| return true; 1160| 16.2k|} stun_set_channel_bind_request_str: 1165| 9.77k| uint16_t channel_number) { 1166| | 1167| 9.77k| if (!STUN_VALID_CHANNEL(channel_number)) { ------------------ | | 144| 9.77k|#define STUN_VALID_CHANNEL(chn) ((chn) >= 0x4000 && (chn) <= 0x7FFF) | | ------------------ | | | Branch (144:34): [True: 7.97k, False: 1.79k] | | | Branch (144:53): [True: 6.97k, False: 1.00k] | | ------------------ ------------------ 1168| 2.80k| channel_number = 0x4000 + ((uint16_t)(((uint32_t)turn_random_number()) % (0x7FFF - 0x4000 + 1))); 1169| 2.80k| } 1170| | 1171| 9.77k| stun_init_request_str(STUN_METHOD_CHANNEL_BIND, buf, len); ------------------ | | 83| 9.77k|#define STUN_METHOD_CHANNEL_BIND (0x0009) ------------------ 1172| | 1173| 9.77k| if (!stun_attr_add_channel_number_str(buf, len, channel_number)) { ------------------ | Branch (1173:7): [True: 0, False: 9.77k] ------------------ 1174| 0| return 0; 1175| 0| } 1176| | 1177| 9.77k| if (!peer_addr) { ------------------ | Branch (1177:7): [True: 5.21k, False: 4.56k] ------------------ 1178| 5.21k| ioa_addr ca; 1179| 5.21k| memset(&ca, 0, sizeof(ioa_addr)); 1180| | 1181| 5.21k| if (!stun_attr_add_addr_str(buf, len, STUN_ATTRIBUTE_XOR_PEER_ADDRESS, &ca)) { ------------------ | | 116| 5.21k|#define STUN_ATTRIBUTE_XOR_PEER_ADDRESS (0x0012) ------------------ | Branch (1181:9): [True: 0, False: 5.21k] ------------------ 1182| 0| return 0; 1183| 0| } 1184| 5.21k| } else { 1185| 4.56k| if (!stun_attr_add_addr_str(buf, len, STUN_ATTRIBUTE_XOR_PEER_ADDRESS, peer_addr)) { ------------------ | | 116| 4.56k|#define STUN_ATTRIBUTE_XOR_PEER_ADDRESS (0x0012) ------------------ | Branch (1185:9): [True: 0, False: 4.56k] ------------------ 1186| 0| return 0; 1187| 0| } 1188| 4.56k| } 1189| | 1190| 9.77k| return channel_number; 1191| 9.77k|} stun_set_channel_bind_response_str: 1194| 9.77k| bool include_reason_string) { 1195| 9.77k| if (!error_code) { ------------------ | Branch (1195:7): [True: 4.88k, False: 4.88k] ------------------ 1196| 4.88k| stun_init_success_response_str(STUN_METHOD_CHANNEL_BIND, buf, len, tid); ------------------ | | 83| 4.88k|#define STUN_METHOD_CHANNEL_BIND (0x0009) ------------------ 1197| 4.88k| } else { 1198| 4.88k| stun_init_error_response_str(STUN_METHOD_CHANNEL_BIND, buf, len, error_code, reason, tid, include_reason_string); ------------------ | | 83| 4.88k|#define STUN_METHOD_CHANNEL_BIND (0x0009) ------------------ 1199| 4.88k| } 1200| 9.77k|} stun_set_binding_request_str: 1204| 3.25k|void stun_set_binding_request_str(uint8_t *buf, size_t *len) { stun_init_request_str(STUN_METHOD_BINDING, buf, len); } ------------------ | | 77| 3.25k|#define STUN_METHOD_BINDING (0x0001) ------------------ stun_set_binding_response_str: 1210| 22.8k|{ 1211| 22.8k| if (!error_code) { ------------------ | Branch (1211:7): [True: 11.4k, False: 11.4k] ------------------ 1212| 11.4k| if (!old_stun) { ------------------ | Branch (1212:9): [True: 7.48k, False: 3.91k] ------------------ 1213| 7.48k| stun_init_success_response_str(STUN_METHOD_BINDING, buf, len, tid); ------------------ | | 77| 7.48k|#define STUN_METHOD_BINDING (0x0001) ------------------ 1214| 7.48k| } else { 1215| 3.91k| old_stun_init_success_response_str(STUN_METHOD_BINDING, buf, len, tid, cookie); ------------------ | | 77| 3.91k|#define STUN_METHOD_BINDING (0x0001) ------------------ 1216| 3.91k| } 1217| 11.4k| if (!old_stun && reflexive_addr) { ------------------ | Branch (1217:9): [True: 7.48k, False: 3.91k] | Branch (1217:22): [True: 7.48k, False: 0] ------------------ 1218| 7.48k| if (!stun_attr_add_addr_str(buf, len, STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS, reflexive_addr)) { ------------------ | | 105| 7.48k|#define STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS (0x0020) ------------------ | Branch (1218:11): [True: 0, False: 7.48k] ------------------ 1219| 0| return false; 1220| 0| } 1221| 7.48k| } 1222| 11.4k| if (reflexive_addr) { ------------------ | Branch (1222:9): [True: 11.4k, False: 0] ------------------ 1223| 11.4k| if (stun_backward_compatibility && ------------------ | Branch (1223:11): [True: 7.15k, False: 4.24k] ------------------ 1224| 7.15k| !stun_attr_add_addr_str(buf, len, STUN_ATTRIBUTE_MAPPED_ADDRESS, reflexive_addr)) { ------------------ | | 91| 7.15k|#define STUN_ATTRIBUTE_MAPPED_ADDRESS (0x0001) ------------------ | Branch (1224:11): [True: 0, False: 7.15k] ------------------ 1225| 0| return false; 1226| 0| } 1227| 11.4k| } 1228| 11.4k| } else if (!old_stun) { ------------------ | Branch (1228:14): [True: 7.48k, False: 3.91k] ------------------ 1229| 7.48k| stun_init_error_response_str(STUN_METHOD_BINDING, buf, len, error_code, reason, tid, include_reason_string); ------------------ | | 77| 7.48k|#define STUN_METHOD_BINDING (0x0001) ------------------ 1230| 7.48k| } else { 1231| 3.91k| old_stun_init_error_response_str(STUN_METHOD_BINDING, buf, len, error_code, reason, tid, cookie, ------------------ | | 77| 3.91k|#define STUN_METHOD_BINDING (0x0001) ------------------ 1232| 3.91k| include_reason_string); 1233| 3.91k| } 1234| | 1235| 22.8k| return true; 1236| 22.8k|} stun_is_binding_response_str: 1251| 74.9k|bool stun_is_binding_response_str(const uint8_t *buf, size_t len) { 1252| 74.9k| if (stun_is_command_message_str(buf, len) && (stun_get_method_str(buf, len) == STUN_METHOD_BINDING)) { ------------------ | | 77| 67.3k|#define STUN_METHOD_BINDING (0x0001) ------------------ | Branch (1252:7): [True: 67.3k, False: 7.65k] | Branch (1252:48): [True: 20.9k, False: 46.3k] ------------------ 1253| 20.9k| if (stun_is_response_str(buf, len)) { ------------------ | Branch (1253:9): [True: 17.2k, False: 3.68k] ------------------ 1254| 17.2k| return true; 1255| 17.2k| } 1256| 20.9k| } 1257| 57.7k| return false; 1258| 74.9k|} stun_tid_from_message_str: 1296| 140k|void stun_tid_from_message_str(const uint8_t *buf, size_t len, stun_tid *id) { 1297| 140k| UNUSED_ARG(len); ------------------ | | 174| 140k| do { \ | | 175| 140k| A = A; \ | | 176| 140k| } while (0) | | ------------------ | | | Branch (176:12): [Folded, False: 140k] | | ------------------ ------------------ 1298| 140k| stun_tid_from_string(buf + 8, id); 1299| 140k|} stun_tid_message_cpy: 1301| 131k|void stun_tid_message_cpy(uint8_t *buf, const stun_tid *id) { 1302| 131k| if (buf && id) { ------------------ | Branch (1302:7): [True: 131k, False: 0] | Branch (1302:14): [True: 131k, False: 0] ------------------ 1303| 131k| stun_tid_string_cpy(buf + 8, id); 1304| 131k| } 1305| 131k|} stun_tid_generate: 1307| 76.5k|void stun_tid_generate(stun_tid *id) { 1308| 76.5k| if (id) { ------------------ | Branch (1308:7): [True: 76.5k, False: 0] ------------------ 1309| 76.5k| turn_random_tid_size(id->tsx_id); 1310| 76.5k| } 1311| 76.5k|} stun_tid_generate_in_message_str: 1313| 76.5k|void stun_tid_generate_in_message_str(uint8_t *buf, stun_tid *id) { 1314| 76.5k| stun_tid tmp; 1315| 76.5k| if (!id) { ------------------ | Branch (1315:7): [True: 74.9k, False: 1.62k] ------------------ 1316| 74.9k| id = &tmp; 1317| 74.9k| } 1318| 76.5k| stun_tid_generate(id); 1319| 76.5k| stun_tid_message_cpy(buf, id); 1320| 76.5k|} stun_attr_get_type: 1344| 886k|int stun_attr_get_type(stun_attr_ref attr) { 1345| 886k| if (attr) { ------------------ | Branch (1345:7): [True: 886k, False: 0] ------------------ 1346| 886k| uint16_t val; 1347| 886k| memcpy(&val, attr, sizeof(val)); 1348| 886k| return (int)(nswap16(val)); ------------------ | | 86| 886k|#define nswap16(s) ntohs(s) ------------------ 1349| 886k| } 1350| 0| return -1; 1351| 886k|} stun_attr_get_len: 1353| 1.31M|int stun_attr_get_len(stun_attr_ref attr) { 1354| 1.31M| if (attr) { ------------------ | Branch (1354:7): [True: 1.31M, False: 0] ------------------ 1355| 1.31M| uint16_t val; 1356| 1.31M| memcpy(&val, (const uint8_t *)attr + 2, sizeof(val)); 1357| 1.31M| return (int)(nswap16(val)); ------------------ | | 86| 1.31M|#define nswap16(s) ntohs(s) ------------------ 1358| 1.31M| } 1359| 0| return -1; 1360| 1.31M|} stun_attr_get_value: 1362| 128k|const uint8_t *stun_attr_get_value(stun_attr_ref attr) { 1363| 128k| if (attr) { ------------------ | Branch (1363:7): [True: 128k, False: 0] ------------------ 1364| 128k| uint16_t val; 1365| 128k| memcpy(&val, (const uint8_t *)attr + 2, sizeof(val)); 1366| 128k| const int len = (int)(nswap16(val)); ------------------ | | 86| 128k|#define nswap16(s) ntohs(s) ------------------ 1367| 128k| if (len < 1) { ------------------ | Branch (1367:9): [True: 5.38k, False: 123k] ------------------ 1368| 5.38k| return NULL; 1369| 5.38k| } 1370| 123k| return ((const uint8_t *)attr) + 4; 1371| 128k| } 1372| 0| return NULL; 1373| 128k|} stun_attr_get_channel_number: 1395| 11.4k|uint16_t stun_attr_get_channel_number(stun_attr_ref attr) { 1396| 11.4k| if (attr) { ------------------ | Branch (1396:7): [True: 11.4k, False: 0] ------------------ 1397| 11.4k| const uint8_t *value = stun_attr_get_value(attr); 1398| 11.4k| if (value && (stun_attr_get_len(attr) >= 2)) { ------------------ | Branch (1398:9): [True: 11.4k, False: 0] | Branch (1398:18): [True: 11.4k, False: 0] ------------------ 1399| 11.4k| const uint16_t cn = nswap16(((const uint16_t *)value)[0]); ------------------ | | 86| 11.4k|#define nswap16(s) ntohs(s) ------------------ 1400| 11.4k| if (STUN_VALID_CHANNEL(cn)) { ------------------ | | 144| 11.4k|#define STUN_VALID_CHANNEL(chn) ((chn) >= 0x4000 && (chn) <= 0x7FFF) | | ------------------ | | | Branch (144:34): [True: 11.4k, False: 0] | | | Branch (144:53): [True: 11.4k, False: 0] | | ------------------ ------------------ 1401| 11.4k| return cn; 1402| 11.4k| } 1403| 11.4k| } 1404| 11.4k| } 1405| 0| return 0; 1406| 11.4k|} stun_attr_is_addr: 1431| 374k|bool stun_attr_is_addr(stun_attr_ref attr) { 1432| | 1433| 374k| if (attr) { ------------------ | Branch (1433:7): [True: 374k, False: 0] ------------------ 1434| 374k| switch (stun_attr_get_type(attr)) { 1435| 33.0k| case STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS: ------------------ | | 105| 33.0k|#define STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS (0x0020) ------------------ | Branch (1435:5): [True: 33.0k, False: 341k] ------------------ 1436| 82.1k| case STUN_ATTRIBUTE_XOR_PEER_ADDRESS: ------------------ | | 116| 82.1k|#define STUN_ATTRIBUTE_XOR_PEER_ADDRESS (0x0012) ------------------ | Branch (1436:5): [True: 49.0k, False: 325k] ------------------ 1437| 130k| case STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS: ------------------ | | 118| 130k|#define STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS (0x0016) ------------------ | Branch (1437:5): [True: 47.9k, False: 326k] ------------------ 1438| 157k| case STUN_ATTRIBUTE_MAPPED_ADDRESS: ------------------ | | 91| 157k|#define STUN_ATTRIBUTE_MAPPED_ADDRESS (0x0001) ------------------ | Branch (1438:5): [True: 27.5k, False: 346k] ------------------ 1439| 163k| case STUN_ATTRIBUTE_ALTERNATE_SERVER: ------------------ | | 110| 163k|#define STUN_ATTRIBUTE_ALTERNATE_SERVER (0x8023) ------------------ | Branch (1439:5): [True: 6.00k, False: 368k] ------------------ 1440| 164k| case OLD_STUN_ATTRIBUTE_RESPONSE_ADDRESS: ------------------ | | 92| 164k|#define OLD_STUN_ATTRIBUTE_RESPONSE_ADDRESS (0x0002) ------------------ | Branch (1440:5): [True: 776, False: 373k] ------------------ 1441| 165k| case OLD_STUN_ATTRIBUTE_SOURCE_ADDRESS: ------------------ | | 94| 165k|#define OLD_STUN_ATTRIBUTE_SOURCE_ADDRESS (0x0004) ------------------ | Branch (1441:5): [True: 912, False: 373k] ------------------ 1442| 167k| case OLD_STUN_ATTRIBUTE_CHANGED_ADDRESS: ------------------ | | 95| 167k|#define OLD_STUN_ATTRIBUTE_CHANGED_ADDRESS (0x0005) ------------------ | Branch (1442:5): [True: 2.39k, False: 371k] ------------------ 1443| 168k| case OLD_STUN_ATTRIBUTE_REFLECTED_FROM: ------------------ | | 101| 168k|#define OLD_STUN_ATTRIBUTE_REFLECTED_FROM (0x000B) ------------------ | Branch (1443:5): [True: 954, False: 373k] ------------------ 1444| 169k| case STUN_ATTRIBUTE_RESPONSE_ORIGIN: ------------------ | | 132| 169k|#define STUN_ATTRIBUTE_RESPONSE_ORIGIN (0x802B) ------------------ | Branch (1444:5): [True: 1.06k, False: 373k] ------------------ 1445| 170k| case STUN_ATTRIBUTE_OTHER_ADDRESS: ------------------ | | 133| 170k|#define STUN_ATTRIBUTE_OTHER_ADDRESS (0x802C) ------------------ | Branch (1445:5): [True: 774, False: 373k] ------------------ 1446| 170k| return true; 1447| 0| break; 1448| 203k| default:; ------------------ | Branch (1448:5): [True: 203k, False: 170k] ------------------ 1449| 374k| }; 1450| 203k| } 1451| 203k| return false; 1452| 374k|} stun_attr_get_first_by_type_str: 1466| 39.2k|stun_attr_ref stun_attr_get_first_by_type_str(const uint8_t *buf, size_t len, uint16_t attr_type) { 1467| 39.2k| stun_attr_ref attr = stun_attr_get_first_str(buf, len); 1468| 68.5k| while (attr) { ------------------ | Branch (1468:10): [True: 63.7k, False: 4.85k] ------------------ 1469| 63.7k| if (stun_attr_get_type(attr) == attr_type) { ------------------ | Branch (1469:9): [True: 34.3k, False: 29.3k] ------------------ 1470| 34.3k| return attr; 1471| 34.3k| } 1472| 29.3k| attr = stun_attr_get_next_str(buf, len, attr); 1473| 29.3k| } 1474| | 1475| 4.85k| return NULL; 1476| 39.2k|} stun_attr_get_first_str: 1499| 280k|stun_attr_ref stun_attr_get_first_str(const uint8_t *buf, size_t len) { 1500| 280k| const int bufLen = stun_get_command_message_len_str(buf, len); 1501| 280k| if (bufLen > STUN_HEADER_LENGTH) { ------------------ | | 46| 280k|#define STUN_HEADER_LENGTH (20) ------------------ | Branch (1501:7): [True: 228k, False: 52.2k] ------------------ 1502| 228k| stun_attr_ref attr = (stun_attr_ref)(buf + STUN_HEADER_LENGTH); ------------------ | | 46| 228k|#define STUN_HEADER_LENGTH (20) ------------------ 1503| 228k| return stun_attr_check_valid(attr, bufLen - STUN_HEADER_LENGTH); ------------------ | | 46| 228k|#define STUN_HEADER_LENGTH (20) ------------------ 1504| 228k| } 1505| | 1506| 52.2k| return NULL; 1507| 280k|} stun_attr_get_next_str: 1509| 472k|stun_attr_ref stun_attr_get_next_str(const uint8_t *buf, size_t len, stun_attr_ref prev) { 1510| 472k| if (!prev) { ------------------ | Branch (1510:7): [True: 0, False: 472k] ------------------ 1511| 0| return stun_attr_get_first_str(buf, len); 1512| 472k| } else { 1513| 472k| const uint8_t *end = buf + stun_get_command_message_len_str(buf, len); 1514| 472k| int attrlen = stun_attr_get_len(prev); 1515| 472k| const uint16_t rem4 = ((uint16_t)attrlen) & 0x0003; 1516| 472k| if (rem4) { ------------------ | Branch (1516:9): [True: 55.7k, False: 416k] ------------------ 1517| 55.7k| attrlen = attrlen + 4 - (int)rem4; 1518| 55.7k| } 1519| | /* Note the order here: operations on attrlen are untrusted as they may overflow */ 1520| 472k| if (attrlen < end - (const uint8_t *)prev - 4) { ------------------ | Branch (1520:9): [True: 325k, False: 146k] ------------------ 1521| 325k| const uint8_t *attr_end = (const uint8_t *)prev + 4 + attrlen; 1522| 325k| return stun_attr_check_valid(attr_end, end - attr_end); 1523| 325k| } 1524| 146k| return NULL; 1525| 472k| } 1526| 472k|} stun_attr_add_str: 1528| 125k|bool stun_attr_add_str(uint8_t *buf, size_t *len, uint16_t attr, const uint8_t *avalue, int alen) { 1529| 125k| if (alen < 0) { ------------------ | Branch (1529:7): [True: 0, False: 125k] ------------------ 1530| 0| alen = 0; 1531| 0| } 1532| 125k| uint8_t tmp[1]; 1533| 125k| if (!avalue) { ------------------ | Branch (1533:7): [True: 0, False: 125k] ------------------ 1534| 0| alen = 0; 1535| 0| avalue = tmp; 1536| 0| } 1537| 125k| const int clen = stun_get_command_message_len_str(buf, *len); 1538| 125k| int newlen = clen + 4 + alen; 1539| 125k| const int newlenrem4 = newlen & 0x00000003; 1540| 125k| int paddinglen = 0; 1541| 125k| if (newlenrem4) { ------------------ | Branch (1541:7): [True: 9.98k, False: 115k] ------------------ 1542| 9.98k| paddinglen = 4 - newlenrem4; 1543| 9.98k| newlen = newlen + paddinglen; 1544| 9.98k| } 1545| | 1546| 125k| if (newlen >= MAX_STUN_MESSAGE_SIZE) { ------------------ | | 179| 125k|#define MAX_STUN_MESSAGE_SIZE (65507) ------------------ | Branch (1546:7): [True: 0, False: 125k] ------------------ 1547| 0| return false; 1548| 0| } 1549| | 1550| 125k| uint8_t *attr_start = buf + clen; 1551| | 1552| 125k| uint16_t *attr_start_16t = (uint16_t *)attr_start; 1553| | 1554| 125k| stun_set_command_message_len_str(buf, newlen); 1555| 125k| *len = newlen; 1556| | 1557| 125k| attr_start_16t[0] = nswap16(attr); ------------------ | | 86| 125k|#define nswap16(s) ntohs(s) ------------------ 1558| 125k| attr_start_16t[1] = nswap16(alen); ------------------ | | 86| 125k|#define nswap16(s) ntohs(s) ------------------ 1559| 125k| if (alen > 0) { ------------------ | Branch (1559:7): [True: 123k, False: 2.07k] ------------------ 1560| 123k| memcpy(attr_start + 4, avalue, alen); 1561| 123k| } 1562| | 1563| | // Write 0 padding to not leak data 1564| 125k| memset(attr_start + 4 + alen, 0, paddinglen); 1565| | 1566| | return true; 1567| 125k|} stun_attr_add_addr_str: 1569| 47.8k|bool stun_attr_add_addr_str(uint8_t *buf, size_t *len, uint16_t attr_type, const ioa_addr *ca) { 1570| | 1571| 47.8k| stun_tid tid; 1572| 47.8k| stun_tid_from_message_str(buf, *len, &tid); 1573| | 1574| 47.8k| int xor_ed = 0; 1575| 47.8k| switch (attr_type) { 1576| 14.0k| case STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS: ------------------ | | 105| 14.0k|#define STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS (0x0020) ------------------ | Branch (1576:3): [True: 14.0k, False: 33.8k] ------------------ 1577| 25.4k| case STUN_ATTRIBUTE_XOR_PEER_ADDRESS: ------------------ | | 116| 25.4k|#define STUN_ATTRIBUTE_XOR_PEER_ADDRESS (0x0012) ------------------ | Branch (1577:3): [True: 11.4k, False: 36.4k] ------------------ 1578| 40.6k| case STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS: ------------------ | | 118| 40.6k|#define STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS (0x0016) ------------------ | Branch (1578:3): [True: 15.2k, False: 32.5k] ------------------ 1579| 40.6k| xor_ed = 1; 1580| 40.6k| break; 1581| 7.15k| default:; ------------------ | Branch (1581:3): [True: 7.15k, False: 40.6k] ------------------ 1582| 47.8k| }; 1583| | 1584| 47.8k| ioa_addr public_addr; 1585| 47.8k| map_addr_from_private_to_public(ca, &public_addr); 1586| | 1587| 47.8k| uint8_t cfield[64]; 1588| 47.8k| int clen = 0; 1589| 47.8k| if (stun_addr_encode(&public_addr, cfield, &clen, xor_ed, STUN_MAGIC_COOKIE, tid.tsx_id) < 0) { ------------------ | | 56| 47.8k|#define STUN_MAGIC_COOKIE (0x2112A442) ------------------ | Branch (1589:7): [True: 0, False: 47.8k] ------------------ 1590| 0| return false; 1591| 0| } 1592| | 1593| 47.8k| if (!stun_attr_add_str(buf, len, attr_type, (uint8_t *)(&cfield), clen)) { ------------------ | Branch (1593:7): [True: 0, False: 47.8k] ------------------ 1594| 0| return false; 1595| 0| } 1596| | 1597| 47.8k| return true; 1598| 47.8k|} stun_attr_get_addr_str: 1601| 89.2k| const ioa_addr *default_addr) { 1602| 89.2k| stun_tid tid; 1603| 89.2k| stun_tid_from_message_str(buf, len, &tid); 1604| 89.2k| ioa_addr public_addr; 1605| | 1606| 89.2k| addr_set_any(ca); 1607| 89.2k| addr_set_any(&public_addr); 1608| | 1609| 89.2k| const int attr_type = stun_attr_get_type(attr); 1610| 89.2k| if (attr_type < 0) { ------------------ | Branch (1610:7): [True: 0, False: 89.2k] ------------------ 1611| 0| return false; 1612| 0| } 1613| | 1614| 89.2k| int xor_ed = 0; 1615| 89.2k| switch (attr_type) { 1616| 22.9k| case STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS: ------------------ | | 105| 22.9k|#define STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS (0x0020) ------------------ | Branch (1616:3): [True: 22.9k, False: 66.3k] ------------------ 1617| 49.0k| case STUN_ATTRIBUTE_XOR_PEER_ADDRESS: ------------------ | | 116| 49.0k|#define STUN_ATTRIBUTE_XOR_PEER_ADDRESS (0x0012) ------------------ | Branch (1617:3): [True: 26.1k, False: 63.1k] ------------------ 1618| 77.0k| case STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS: ------------------ | | 118| 77.0k|#define STUN_ATTRIBUTE_XOR_RELAYED_ADDRESS (0x0016) ------------------ | Branch (1618:3): [True: 27.9k, False: 61.3k] ------------------ 1619| 77.0k| xor_ed = 1; 1620| 77.0k| break; 1621| 12.2k| default:; ------------------ | Branch (1621:3): [True: 12.2k, False: 77.0k] ------------------ 1622| 89.2k| }; 1623| | 1624| 89.2k| const uint8_t *cfield = stun_attr_get_value(attr); 1625| 89.2k| if (!cfield) { ------------------ | Branch (1625:7): [True: 5.38k, False: 83.9k] ------------------ 1626| 5.38k| return false; 1627| 5.38k| } 1628| | 1629| 83.9k| if (stun_addr_decode(&public_addr, cfield, stun_attr_get_len(attr), xor_ed, STUN_MAGIC_COOKIE, tid.tsx_id) < 0) { ------------------ | | 56| 83.9k|#define STUN_MAGIC_COOKIE (0x2112A442) ------------------ | Branch (1629:7): [True: 4.94k, False: 78.9k] ------------------ 1630| 4.94k| return false; 1631| 4.94k| } 1632| | 1633| 78.9k| map_addr_from_public_to_private(&public_addr, ca); 1634| | 1635| 78.9k| if (default_addr && addr_any_no_port(ca) && !addr_any_no_port(default_addr)) { ------------------ | Branch (1635:7): [True: 78.7k, False: 250] | Branch (1635:23): [True: 10.4k, False: 68.2k] | Branch (1635:47): [True: 10.4k, False: 0] ------------------ 1636| 10.4k| const uint16_t port = addr_get_port(ca); 1637| 10.4k| addr_cpy(ca, default_addr); 1638| 10.4k| addr_set_port(ca, port); 1639| 10.4k| } 1640| | 1641| | return true; 1642| 83.9k|} stun_attr_get_first_addr_str: 1645| 91.5k| const ioa_addr *default_addr) { 1646| 91.5k| stun_attr_ref attr = stun_attr_get_first_str(buf, len); 1647| | 1648| 309k| while (attr) { ------------------ | Branch (1648:10): [True: 248k, False: 60.4k] ------------------ 1649| 248k| if (stun_attr_is_addr(attr) && (attr_type == stun_attr_get_type(attr))) { ------------------ | Branch (1649:9): [True: 122k, False: 126k] | Branch (1649:36): [True: 41.4k, False: 81.1k] ------------------ 1650| 41.4k| if (stun_attr_get_addr_str(buf, len, attr, ca, default_addr)) { ------------------ | Branch (1650:11): [True: 31.1k, False: 10.3k] ------------------ 1651| 31.1k| return true; 1652| 31.1k| } 1653| 41.4k| } 1654| 217k| attr = stun_attr_get_next_str(buf, len, attr); 1655| 217k| } 1656| | 1657| 60.4k| return false; 1658| 91.5k|} stun_attr_add_channel_number_str: 1660| 11.4k|bool stun_attr_add_channel_number_str(uint8_t *buf, size_t *len, uint16_t chnumber) { 1661| | 1662| 11.4k| uint16_t field[2]; 1663| 11.4k| field[0] = nswap16(chnumber); ------------------ | | 86| 11.4k|#define nswap16(s) ntohs(s) ------------------ 1664| 11.4k| field[1] = 0; 1665| | 1666| 11.4k| return stun_attr_add_str(buf, len, STUN_ATTRIBUTE_CHANNEL_NUMBER, (uint8_t *)(field), sizeof(field)); ------------------ | | 113| 11.4k|#define STUN_ATTRIBUTE_CHANNEL_NUMBER (0x000C) ------------------ 1667| 11.4k|} stun_attr_get_first_channel_number_str: 1701| 74.9k|uint16_t stun_attr_get_first_channel_number_str(const uint8_t *buf, size_t len) { 1702| | 1703| 74.9k| stun_attr_ref attr = stun_attr_get_first_str(buf, len); 1704| 174k| while (attr) { ------------------ | Branch (1704:10): [True: 110k, False: 63.5k] ------------------ 1705| 110k| if (stun_attr_get_type(attr) == STUN_ATTRIBUTE_CHANNEL_NUMBER) { ------------------ | | 113| 110k|#define STUN_ATTRIBUTE_CHANNEL_NUMBER (0x000C) ------------------ | Branch (1705:9): [True: 11.4k, False: 99.4k] ------------------ 1706| 11.4k| const uint16_t ret = stun_attr_get_channel_number(attr); 1707| 11.4k| if (STUN_VALID_CHANNEL(ret)) { ------------------ | | 144| 11.4k|#define STUN_VALID_CHANNEL(chn) ((chn) >= 0x4000 && (chn) <= 0x7FFF) | | ------------------ | | | Branch (144:34): [True: 11.4k, False: 0] | | | Branch (144:53): [True: 11.4k, False: 0] | | ------------------ ------------------ 1708| 11.4k| return ret; 1709| 11.4k| } 1710| 11.4k| } 1711| 99.4k| attr = stun_attr_get_next_str(buf, len, attr); 1712| 99.4k| } 1713| | 1714| 63.5k| return 0; 1715| 74.9k|} ns_turn_msg.c:fuzz_prng_next: 112| 232k|static uint64_t fuzz_prng_next(void) { 113| 232k| static uint64_t state = UINT64_C(0x9e3779b97f4a7c15); 114| | 115| 232k| state += UINT64_C(0x9e3779b97f4a7c15); 116| 232k| uint64_t z = state; 117| 232k| z = (z ^ (z >> 30)) * UINT64_C(0xbf58476d1ce4e5b9); 118| | z = (z ^ (z >> 27)) * UINT64_C(0x94d049bb133111eb); 119| 232k| return z ^ (z >> 31); 120| 232k|} ns_turn_msg.c:stun_init_error_response_common_str: 752| 27.6k| stun_tid *id, bool include_reason_string) { 753| | 754| 27.6k| if (include_reason_string && (!reason || !strcmp((const char *)reason, "Unknown error"))) { ------------------ | Branch (754:7): [True: 18.8k, False: 8.89k] | Branch (754:33): [True: 1.00k, False: 17.7k] | Branch (754:44): [True: 0, False: 17.7k] ------------------ 755| 1.00k| reason = get_default_reason(error_code); 756| 1.00k| } 757| | 758| 27.6k| uint8_t avalue[513]; 759| 27.6k| memset(avalue, 0, sizeof(avalue)); 760| 27.6k| avalue[0] = 0; 761| 27.6k| avalue[1] = 0; 762| 27.6k| avalue[2] = (uint8_t)(error_code / 100); 763| 27.6k| avalue[3] = (uint8_t)(error_code % 100); 764| 27.6k| if (include_reason_string) { ------------------ | Branch (764:7): [True: 18.8k, False: 8.89k] ------------------ 765| 18.8k| strncpy((char *)(avalue + 4), (const char *)reason, sizeof(avalue) - 4); 766| 18.8k| } 767| 27.6k| avalue[sizeof(avalue) - 1] = 0; 768| 27.6k| int alen = 4 + (int)strlen((const char *)(avalue + 4)); 769| | 770| | //"Manual" padding for compatibility with classic old stun: 771| 27.6k| { 772| 27.6k| const int rem = alen % 4; 773| 27.6k| if (rem) { ------------------ | Branch (773:9): [True: 10.8k, False: 16.8k] ------------------ 774| 10.8k| alen += (4 - rem); 775| 10.8k| } 776| 27.6k| } 777| | 778| 27.6k| stun_attr_add_str(buf, len, STUN_ATTRIBUTE_ERROR_CODE, (uint8_t *)avalue, alen); ------------------ | | 99| 27.6k|#define STUN_ATTRIBUTE_ERROR_CODE (0x0009) ------------------ 779| 27.6k| if (id) { ------------------ | Branch (779:7): [True: 27.6k, False: 0] ------------------ 780| 27.6k| stun_tid_message_cpy(buf, id); 781| 27.6k| } 782| 27.6k|} ns_turn_msg.c:has_prefix: 917| 6.80k|static inline bool has_prefix(const char *buf, size_t blen, const char *prefix, bool ignore_case) { 918| 6.80k| if (!buf || !prefix) { ------------------ | Branch (918:7): [True: 0, False: 6.80k] | Branch (918:15): [True: 0, False: 6.80k] ------------------ 919| 0| return false; 920| 0| } 921| | 922| 6.80k| const size_t prefix_len = strlen(prefix); 923| 6.80k| return (prefix_len <= blen) && sheadof(prefix, buf, ignore_case); ------------------ | Branch (923:10): [True: 6.80k, False: 0] | Branch (923:34): [True: 730, False: 6.07k] ------------------ 924| 6.80k|} ns_turn_msg.c:sheadof: 882| 745k|static inline bool sheadof(const char *head, const char *full, bool ignore_case) { 883| 804k| while (*head) { ------------------ | Branch (883:10): [True: 802k, False: 2.41k] ------------------ 884| 802k| if (*head != *full) { ------------------ | Branch (884:9): [True: 756k, False: 46.3k] ------------------ 885| 756k| if (ignore_case && (tolower((unsigned char)*head) == tolower((unsigned char)*full))) { ------------------ | Branch (885:11): [True: 291k, False: 464k] | Branch (885:26): [True: 13.0k, False: 278k] | Branch (885:27): [True: 0, False: 0] | Branch (885:27): [True: 0, False: 0] | Branch (885:27): [Folded, False: 291k] | Branch (885:60): [True: 0, False: 0] | Branch (885:60): [True: 0, False: 0] | Branch (885:60): [Folded, False: 291k] ------------------ 886| | // OK 887| 743k| } else { 888| 743k| return false; 889| 743k| } 890| 756k| } 891| 59.3k| ++head; 892| 59.3k| ++full; 893| 59.3k| } 894| 2.41k| return true; 895| 745k|} ns_turn_msg.c:findstr: 897| 1.98k|static inline const char *findstr(const char *hay, size_t slen, const char *needle, bool ignore_case) { 898| 1.98k| const char *ret = NULL; 899| | 900| 1.98k| if (hay && slen && needle) { ------------------ | Branch (900:7): [True: 1.98k, False: 0] | Branch (900:14): [True: 1.98k, False: 0] | Branch (900:22): [True: 1.98k, False: 0] ------------------ 901| 1.98k| const size_t nlen = strlen(needle); 902| 1.98k| if (nlen <= slen) { ------------------ | Branch (902:9): [True: 1.93k, False: 46] ------------------ 903| 1.93k| const size_t smax = slen - nlen + 1; 904| 1.93k| const char *sp = hay; 905| 738k| for (size_t i = 0; i < smax; ++i) { ------------------ | Branch (905:26): [True: 738k, False: 254] ------------------ 906| 738k| if (sheadof(needle, sp + i, ignore_case)) { ------------------ | Branch (906:13): [True: 1.68k, False: 736k] ------------------ 907| 1.68k| ret = sp + i; 908| 1.68k| break; 909| 1.68k| } 910| 738k| } 911| 1.93k| } 912| 1.98k| } 913| | 914| 1.98k| return ret; 915| 1.98k|} ns_turn_msg.c:stun_tid_from_string: 1290| 140k|static void stun_tid_from_string(const uint8_t *s, stun_tid *id) { 1291| 140k| if (s && id) { ------------------ | Branch (1291:7): [True: 140k, False: 0] | Branch (1291:12): [True: 140k, False: 0] ------------------ 1292| 140k| memcpy(id->tsx_id, s, STUN_TID_SIZE); ------------------ | | 53| 140k|#define STUN_TID_SIZE (12) ------------------ 1293| 140k| } 1294| 140k|} ns_turn_msg.c:stun_tid_string_cpy: 1284| 131k|static void stun_tid_string_cpy(uint8_t *s, const stun_tid *id) { 1285| 131k| if (s && id) { ------------------ | Branch (1285:7): [True: 131k, False: 0] | Branch (1285:12): [True: 131k, False: 0] ------------------ 1286| 131k| memcpy(s, id->tsx_id, STUN_TID_SIZE); ------------------ | | 53| 131k|#define STUN_TID_SIZE (12) ------------------ 1287| 131k| } 1288| 131k|} ns_turn_msg.c:turn_random_tid_size: 154| 76.5k|static void turn_random_tid_size(void *id) { 155| 76.5k| uint32_t *ar = (uint32_t *)id; 156| 76.5k|#if defined(FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION) 157| 76.5k| if (ar) { ------------------ | Branch (157:7): [True: 76.5k, False: 0] ------------------ 158| 306k| for (size_t i = 0; i < 3; ++i) { ------------------ | Branch (158:24): [True: 229k, False: 76.5k] ------------------ 159| 229k| ar[i] = (uint32_t)turn_random_number(); 160| 229k| } 161| 76.5k| } 162| |#else 163| | if (!RAND_bytes((unsigned char *)ar, 12)) { 164| | for (size_t i = 0; i < 3; ++i) { 165| | ar[i] = (uint32_t)turn_random_number(); 166| | } 167| | } 168| |#endif 169| 76.5k|} ns_turn_msg.c:stun_attr_check_valid: 1478| 553k|static stun_attr_ref stun_attr_check_valid(stun_attr_ref attr, size_t remaining) { 1479| 553k| if (remaining >= 4) { ------------------ | Branch (1479:7): [True: 552k, False: 947] ------------------ 1480| | /* Read the size of the attribute */ 1481| 552k| size_t attrlen = stun_attr_get_len(attr); 1482| 552k| remaining -= 4; 1483| | 1484| | /* Round to boundary */ 1485| 552k| const uint16_t rem4 = ((uint16_t)attrlen) & 0x0003; 1486| 552k| if (rem4) { ------------------ | Branch (1486:9): [True: 60.6k, False: 492k] ------------------ 1487| 60.6k| attrlen = attrlen + 4 - (int)rem4; 1488| 60.6k| } 1489| | 1490| | /* Check that there's enough space remaining */ 1491| 552k| if (attrlen <= remaining) { ------------------ | Branch (1491:9): [True: 548k, False: 3.91k] ------------------ 1492| 548k| return attr; 1493| 548k| } 1494| 552k| } 1495| | 1496| 4.85k| return NULL; 1497| 553k|} ns_turn_msg.c:stun_set_command_message_len_str: 408| 125k|static bool stun_set_command_message_len_str(uint8_t *buf, int len) { 409| 125k| if (len < STUN_HEADER_LENGTH) { ------------------ | | 46| 125k|#define STUN_HEADER_LENGTH (20) ------------------ | Branch (409:7): [True: 0, False: 125k] ------------------ 410| 0| return false; 411| 0| } 412| 125k| ((uint16_t *)buf)[1] = nswap16((uint16_t)(len - STUN_HEADER_LENGTH)); ------------------ | | 86| 125k|#define nswap16(s) ntohs(s) ------------------ 413| | return true; 414| 125k|} stun_addr_encode: 42| 47.8k|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| 47.8k| if (!cfield || !clen || !ca || !tsx_id) { ------------------ | Branch (44:7): [True: 0, False: 47.8k] | Branch (44:18): [True: 0, False: 47.8k] | Branch (44:27): [True: 0, False: 47.8k] | Branch (44:34): [True: 0, False: 47.8k] ------------------ 45| 0| return -1; 46| 0| } 47| | 48| 47.8k| if (ca->ss.sa_family == AF_INET || ca->ss.sa_family == 0) { ------------------ | Branch (48:7): [True: 25.4k, False: 22.3k] | Branch (48:38): [True: 5.21k, False: 17.1k] ------------------ 49| | 50| | /* IPv4 address */ 51| | 52| 30.6k| *clen = 8; 53| | 54| 30.6k| cfield[0] = 0; 55| 30.6k| cfield[1] = 1; // IPv4 family 56| | 57| 30.6k| if (xor_ed) { ------------------ | Branch (57:9): [True: 26.5k, False: 4.10k] ------------------ 58| | 59| | /* Port */ 60| 26.5k| ((uint16_t *)cfield)[1] = (ca->s4.sin_port) ^ nswap16(mc >> 16); ------------------ | | 86| 26.5k|#define nswap16(s) ntohs(s) ------------------ 61| | 62| | /* Address */ 63| 26.5k| ((uint32_t *)cfield)[1] = (ca->s4.sin_addr.s_addr) ^ nswap32(mc); ------------------ | | 87| 26.5k|#define nswap32(ul) ntohl(ul) ------------------ 64| | 65| 26.5k| } else { 66| | 67| | /* Port */ 68| 4.10k| ((uint16_t *)cfield)[1] = ca->s4.sin_port; 69| | 70| | /* Address */ 71| 4.10k| ((uint32_t *)cfield)[1] = ca->s4.sin_addr.s_addr; 72| 4.10k| } 73| | 74| 30.6k| } else if (ca->ss.sa_family == AF_INET6) { ------------------ | Branch (74:14): [True: 17.1k, False: 0] ------------------ 75| | 76| | /* IPv6 address */ 77| | 78| 17.1k| *clen = 20; 79| | 80| 17.1k| cfield[0] = 0; 81| 17.1k| cfield[1] = 2; // IPv6 family 82| | 83| 17.1k| if (xor_ed) { ------------------ | Branch (83:9): [True: 14.1k, False: 3.05k] ------------------ 84| | 85| 14.1k| unsigned int i; 86| 14.1k| uint8_t *dst = ((uint8_t *)cfield) + 4; 87| 14.1k| const uint8_t *src = (const uint8_t *)&(ca->s6.sin6_addr); 88| 14.1k| uint32_t magic = nswap32(mc); ------------------ | | 87| 14.1k|#define nswap32(ul) ntohl(ul) ------------------ 89| | 90| | /* Port */ 91| 14.1k| ((uint16_t *)cfield)[1] = ca->s6.sin6_port ^ nswap16(mc >> 16); ------------------ | | 86| 14.1k|#define nswap16(s) ntohs(s) ------------------ 92| | 93| | /* Address */ 94| | 95| 70.5k| for (i = 0; i < 4; ++i) { ------------------ | Branch (95:19): [True: 56.4k, False: 14.1k] ------------------ 96| 56.4k| dst[i] = (uint8_t)(src[i] ^ ((const uint8_t *)&magic)[i]); 97| 56.4k| } 98| 183k| for (i = 0; i < 12; ++i) { ------------------ | Branch (98:19): [True: 169k, False: 14.1k] ------------------ 99| 169k| dst[i + 4] = (uint8_t)(src[i + 4] ^ tsx_id[i]); 100| 169k| } 101| | 102| 14.1k| } else { 103| | 104| | /* Port */ 105| 3.05k| ((uint16_t *)cfield)[1] = ca->s6.sin6_port; 106| | 107| | /* Address */ 108| 3.05k| memcpy(((uint8_t *)cfield) + 4, &ca->s6.sin6_addr, 16); 109| 3.05k| } 110| | 111| 17.1k| } else { 112| 0| return -1; 113| 0| } 114| | 115| 47.8k| return 0; 116| 47.8k|} stun_addr_decode: 118| 87.5k|int stun_addr_decode(ioa_addr *ca, const uint8_t *cfield, int len, int xor_ed, uint32_t mc, const uint8_t *tsx_id) { 119| | 120| 87.5k| if (!cfield || !len || !ca || !tsx_id || (len < 8)) { ------------------ | Branch (120:7): [True: 0, False: 87.5k] | Branch (120:18): [True: 0, False: 87.5k] | Branch (120:26): [True: 0, False: 87.5k] | Branch (120:33): [True: 0, False: 87.5k] | Branch (120:44): [True: 3.84k, False: 83.6k] ------------------ 121| 3.84k| return -1; 122| 3.84k| } 123| | 124| 83.6k| if (cfield[0] != 0) { ------------------ | Branch (124:7): [True: 2.36k, False: 81.3k] ------------------ 125| 2.36k| return -1; 126| 2.36k| } 127| | 128| 81.3k| int sa_family; 129| | 130| 81.3k| if (cfield[1] == 1) { ------------------ | Branch (130:7): [True: 52.2k, False: 29.1k] ------------------ 131| 52.2k| sa_family = AF_INET; 132| 52.2k| } else if (cfield[1] == 2) { ------------------ | Branch (132:14): [True: 27.9k, False: 1.15k] ------------------ 133| 27.9k| sa_family = AF_INET6; 134| 27.9k| } else { 135| 1.15k| return -1; 136| 1.15k| } 137| | 138| 80.1k| ca->ss.sa_family = sa_family; 139| | 140| 80.1k| if (sa_family == AF_INET) { ------------------ | Branch (140:7): [True: 52.2k, False: 27.9k] ------------------ 141| | 142| 52.2k| if (len != 8) { ------------------ | Branch (142:9): [True: 322, False: 51.8k] ------------------ 143| 322| return -1; 144| 322| } 145| | 146| | /* IPv4 address */ 147| | 148| | /* Port */ 149| 51.8k| ca->s4.sin_port = ((const uint16_t *)cfield)[1]; 150| | 151| | /* Address */ 152| 51.8k| ca->s4.sin_addr.s_addr = ((const uint32_t *)cfield)[1]; 153| | 154| 51.8k| if (xor_ed) { ------------------ | Branch (154:9): [True: 46.3k, False: 5.49k] ------------------ 155| 46.3k| ca->s4.sin_port ^= nswap16(mc >> 16); ------------------ | | 86| 46.3k|#define nswap16(s) ntohs(s) ------------------ 156| 46.3k| ca->s4.sin_addr.s_addr ^= nswap32(mc); ------------------ | | 87| 46.3k|#define nswap32(ul) ntohl(ul) ------------------ 157| 46.3k| } 158| | 159| 51.8k| } else if (sa_family == AF_INET6) { ------------------ | Branch (159:14): [True: 27.9k, False: 0] ------------------ 160| | 161| | /* IPv6 address */ 162| | 163| 27.9k| if (len != 20) { ------------------ | Branch (163:9): [True: 818, False: 27.1k] ------------------ 164| 818| return -1; 165| 818| } 166| | 167| | /* Port */ 168| 27.1k| ca->s6.sin6_port = ((const uint16_t *)cfield)[1]; 169| | 170| | /* Address */ 171| 27.1k| memcpy(&ca->s6.sin6_addr, ((const uint8_t *)cfield) + 4, 16); 172| | 173| 27.1k| if (xor_ed) { ------------------ | Branch (173:9): [True: 23.1k, False: 4.00k] ------------------ 174| | 175| 23.1k| unsigned int i; 176| 23.1k| uint8_t *dst; 177| 23.1k| const uint8_t *src; 178| 23.1k| uint32_t magic = nswap32(mc); ------------------ | | 87| 23.1k|#define nswap32(ul) ntohl(ul) ------------------ 179| | 180| | /* Port */ 181| 23.1k| ca->s6.sin6_port ^= nswap16(mc >> 16); ------------------ | | 86| 23.1k|#define nswap16(s) ntohs(s) ------------------ 182| | 183| | /* Address */ 184| 23.1k| src = ((const uint8_t *)cfield) + 4; 185| 23.1k| dst = (uint8_t *)&ca->s6.sin6_addr; 186| 115k| for (i = 0; i < 4; ++i) { ------------------ | Branch (186:19): [True: 92.5k, False: 23.1k] ------------------ 187| 92.5k| dst[i] = (uint8_t)(src[i] ^ ((const uint8_t *)&magic)[i]); 188| 92.5k| } 189| 300k| for (i = 0; i < 12; ++i) { ------------------ | Branch (189:19): [True: 277k, False: 23.1k] ------------------ 190| 277k| dst[i + 4] = (uint8_t)(src[i + 4] ^ tsx_id[i]); 191| 277k| } 192| 23.1k| } 193| | 194| 27.1k| } else { 195| 0| return -1; 196| 0| } 197| | 198| 79.0k| return 0; 199| 80.1k|} ns_turn_msg.c:_ioa_ntoh64: 90| 6.39k|static inline uint64_t _ioa_ntoh64(uint64_t v) { 91| 6.39k|#if BYTE_ORDER == LITTLE_ENDIAN 92| 6.39k| uint8_t *src = (uint8_t *)&v; 93| 6.39k| uint8_t *dst = src + 7; 94| 31.9k| while (src < dst) { ------------------ | Branch (94:10): [True: 25.5k, False: 6.39k] ------------------ 95| 25.5k| uint8_t vdst = *dst; 96| 25.5k| *(dst--) = *src; 97| 25.5k| *(src++) = vdst; 98| 25.5k| } 99| |#elif BYTE_ORDER == BIG_ENDIAN 100| | /* OK */ 101| |#else 102| |#error WRONG BYTE_ORDER SETTING 103| |#endif 104| 6.39k| return v; 105| 6.39k|}