ssh_dh_init: 230| 1|{ 231| 1| unsigned long g_int = 2 ; /* G is defined as 2 by the ssh2 standards */ 232| 1| int rc; 233| 1| if (dh_crypto_initialized) { ------------------ | Branch (233:9): [True: 0, False: 1] ------------------ 234| 0| return SSH_OK; ------------------ | | 312| 0|#define SSH_OK 0 /* No error */ ------------------ 235| 0| } 236| 1| dh_crypto_initialized = 1; 237| | 238| 1| ssh_dh_generator = bignum_new(); ------------------ | | 75| 1|#define bignum_new() BN_new() ------------------ 239| 1| if (ssh_dh_generator == NULL) { ------------------ | Branch (239:9): [True: 0, False: 1] ------------------ 240| 0| goto error; 241| 0| } 242| 1| rc = bignum_set_word(ssh_dh_generator, g_int); ------------------ | | 82| 1|#define bignum_set_word(bn,n) BN_set_word(bn,n) ------------------ 243| 1| if (rc != 1) { ------------------ | Branch (243:9): [True: 0, False: 1] ------------------ 244| 0| goto error; 245| 0| } 246| | 247| 1| bignum_bin2bn(p_group1_value, P_GROUP1_LEN, &ssh_dh_group1); ------------------ | | 84| 1| do { \ | | 85| 1| (*dest) = BN_new(); \ | | 86| 1| if ((*dest) != NULL) { \ | | ------------------ | | | Branch (86:13): [True: 1, False: 0] | | ------------------ | | 87| 1| BN_bin2bn(data,datalen,(*dest)); \ | | 88| 1| } \ | | 89| 1| } while(0) | | ------------------ | | | Branch (89:13): [Folded - Ignored] | | ------------------ ------------------ 248| 1| if (ssh_dh_group1 == NULL) { ------------------ | Branch (248:9): [True: 0, False: 1] ------------------ 249| 0| goto error; 250| 0| } 251| 1| bignum_bin2bn(p_group14_value, P_GROUP14_LEN, &ssh_dh_group14); ------------------ | | 84| 1| do { \ | | 85| 1| (*dest) = BN_new(); \ | | 86| 1| if ((*dest) != NULL) { \ | | ------------------ | | | Branch (86:13): [True: 1, False: 0] | | ------------------ | | 87| 1| BN_bin2bn(data,datalen,(*dest)); \ | | 88| 1| } \ | | 89| 1| } while(0) | | ------------------ | | | Branch (89:13): [Folded - Ignored] | | ------------------ ------------------ 252| 1| if (ssh_dh_group14 == NULL) { ------------------ | Branch (252:9): [True: 0, False: 1] ------------------ 253| 0| goto error; 254| 0| } 255| 1| bignum_bin2bn(p_group16_value, P_GROUP16_LEN, &ssh_dh_group16); ------------------ | | 84| 1| do { \ | | 85| 1| (*dest) = BN_new(); \ | | 86| 1| if ((*dest) != NULL) { \ | | ------------------ | | | Branch (86:13): [True: 1, False: 0] | | ------------------ | | 87| 1| BN_bin2bn(data,datalen,(*dest)); \ | | 88| 1| } \ | | 89| 1| } while(0) | | ------------------ | | | Branch (89:13): [Folded - Ignored] | | ------------------ ------------------ 256| 1| if (ssh_dh_group16 == NULL) { ------------------ | Branch (256:9): [True: 0, False: 1] ------------------ 257| 0| goto error; 258| 0| } 259| 1| bignum_bin2bn(p_group18_value, P_GROUP18_LEN, &ssh_dh_group18); ------------------ | | 84| 1| do { \ | | 85| 1| (*dest) = BN_new(); \ | | 86| 1| if ((*dest) != NULL) { \ | | ------------------ | | | Branch (86:13): [True: 1, False: 0] | | ------------------ | | 87| 1| BN_bin2bn(data,datalen,(*dest)); \ | | 88| 1| } \ | | 89| 1| } while(0) | | ------------------ | | | Branch (89:13): [Folded - Ignored] | | ------------------ ------------------ 260| 1| if (ssh_dh_group18 == NULL) { ------------------ | Branch (260:9): [True: 0, False: 1] ------------------ 261| 0| goto error; 262| 0| } 263| | 264| 1| return 0; 265| 0|error: 266| 0| ssh_dh_finalize(); 267| 0| return SSH_ERROR; ------------------ | | 313| 0|#define SSH_ERROR -1 /* Error of some kind */ ------------------ 268| 1|} libssh_constructor: 114| 1|{ 115| | 116| 1| int rc; 117| | 118| 1| rc = _ssh_init(1); 119| | 120| 1| if (rc < 0) { ------------------ | Branch (120:9): [True: 0, False: 1] ------------------ 121| 0| fprintf(stderr, "Error in auto_init()\n"); 122| 0| } 123| | 124| 1| return; 125| 1|} init.c:_ssh_init: 62| 1|static int _ssh_init(unsigned constructor) { 63| | 64| 1| int rc = 0; 65| | 66| 1| if (!constructor) { ------------------ | Branch (66:9): [True: 0, False: 1] ------------------ 67| 0| ssh_mutex_lock(&ssh_init_mutex); 68| 0| } 69| | 70| 1| _ssh_initialized++; 71| | 72| 1| if (_ssh_initialized > 1) { ------------------ | Branch (72:9): [True: 0, False: 1] ------------------ 73| 0| rc = _ssh_init_ret; 74| 0| goto _ret; 75| 0| } 76| | 77| 1| rc = ssh_threads_init(); 78| 1| if (rc) { ------------------ | Branch (78:9): [True: 0, False: 1] ------------------ 79| 0| goto _ret; 80| 0| } 81| | 82| 1| rc = ssh_crypto_init(); 83| 1| if (rc) { ------------------ | Branch (83:9): [True: 0, False: 1] ------------------ 84| 0| goto _ret; 85| 0| } 86| | 87| 1| rc = ssh_dh_init(); 88| 1| if (rc) { ------------------ | Branch (88:9): [True: 0, False: 1] ------------------ 89| 0| goto _ret; 90| 0| } 91| | 92| 1| rc = ssh_socket_init(); 93| 1| if (rc) { ------------------ | Branch (93:9): [True: 0, False: 1] ------------------ 94| 0| goto _ret; 95| 0| } 96| | 97| 1|_ret: 98| 1| _ssh_init_ret = rc; 99| | 100| 1| if (!constructor) { ------------------ | Branch (100:9): [True: 0, False: 1] ------------------ 101| 0| ssh_mutex_unlock(&ssh_init_mutex); 102| 0| } 103| | 104| 1| return rc; 105| 1|} ssh_crypto_init: 1373| 1|{ 1374| |#ifndef HAVE_OPENSSL_EVP_CHACHA20 1375| | size_t i; 1376| |#endif 1377| | 1378| 1| if (libcrypto_initialized) { ------------------ | Branch (1378:9): [True: 0, False: 1] ------------------ 1379| 0| return SSH_OK; ------------------ | | 312| 0|#define SSH_OK 0 /* No error */ ------------------ 1380| 0| } 1381| 1| if (OpenSSL_version_num() != OPENSSL_VERSION_NUMBER){ ------------------ | Branch (1381:9): [True: 0, False: 1] ------------------ 1382| 0| SSH_LOG(SSH_LOG_DEBUG, "libssh compiled with %s " ------------------ | | 265| 0| _ssh_log(priority, __func__, __VA_ARGS__) ------------------ 1383| 0| "headers, currently running with %s.", 1384| 0| OPENSSL_VERSION_TEXT, 1385| 0| OpenSSL_version(OpenSSL_version_num()) 1386| 0| ); 1387| 0| } 1388| |#ifdef CAN_DISABLE_AESNI 1389| | /* 1390| | * disable AES-NI when running within Valgrind, because they generate 1391| | * too many "uninitialized memory access" false positives 1392| | */ 1393| | if (RUNNING_ON_VALGRIND){ 1394| | SSH_LOG(SSH_LOG_INFO, "Running within Valgrind, disabling AES-NI"); 1395| | /* Bit #57 denotes AES-NI instruction set extension */ 1396| | OPENSSL_ia32cap &= ~(1LL << 57); 1397| | } 1398| |#endif /* CAN_DISABLE_AESNI */ 1399| | 1400| |#ifndef HAVE_OPENSSL_EVP_CHACHA20 1401| | for (i = 0; ssh_ciphertab[i].name != NULL; i++) { 1402| | int cmp; 1403| | 1404| | cmp = strcmp(ssh_ciphertab[i].name, "chacha20-poly1305@openssh.com"); 1405| | if (cmp == 0) { 1406| | memcpy(&ssh_ciphertab[i], 1407| | ssh_get_chacha20poly1305_cipher(), 1408| | sizeof(struct ssh_cipher_struct)); 1409| | break; 1410| | } 1411| | } 1412| |#endif /* HAVE_OPENSSL_EVP_CHACHA20 */ 1413| | 1414| 1| libcrypto_initialized = 1; 1415| | 1416| 1| return SSH_OK; ------------------ | | 312| 1|#define SSH_OK 0 /* No error */ ------------------ 1417| 1|} ssh_poll_init: 88| 1|{ 89| 1| return; 90| 1|} ssh_socket_init: 107| 1|{ 108| 1| if (sockets_initialized == 0) { ------------------ | Branch (108:9): [True: 1, False: 0] ------------------ 109| |#ifdef _WIN32 110| | struct WSAData wsaData; 111| | 112| | /* Initiates use of the Winsock DLL by a process. */ 113| | if (WSAStartup(MAKEWORD(2, 0), &wsaData) != 0) { 114| | return -1; 115| | } 116| |#endif 117| 1| ssh_poll_init(); 118| | 119| 1| sockets_initialized = 1; 120| 1| } 121| | 122| 1| return 0; 123| 1|} ssh_threads_init: 43| 1|{ 44| 1| static int threads_initialized = 0; 45| 1| int rc; 46| | 47| 1| if (threads_initialized) { ------------------ | Branch (47:9): [True: 0, False: 1] ------------------ 48| 0| return SSH_OK; ------------------ | | 312| 0|#define SSH_OK 0 /* No error */ ------------------ 49| 0| } 50| | 51| | /* first initialize the user_callbacks with our default handlers if not 52| | * already the case 53| | */ 54| 1| if (user_callbacks == NULL){ ------------------ | Branch (54:9): [True: 1, False: 0] ------------------ 55| 1| user_callbacks = ssh_threads_get_default(); 56| 1| } 57| | 58| | /* Then initialize the crypto libraries threading callbacks */ 59| 1| rc = crypto_thread_init(user_callbacks); 60| 1| if (rc == SSH_OK) { ------------------ | | 312| 1|#define SSH_OK 0 /* No error */ ------------------ | Branch (60:9): [True: 1, False: 0] ------------------ 61| 1| threads_initialized = 1; 62| 1| } 63| 1| return rc; 64| 1|} crypto_thread_init: 28| 1|{ 29| 1| (void) cb; 30| 1| return SSH_OK; ------------------ | | 312| 1|#define SSH_OK 0 /* No error */ ------------------ 31| 1|} ssh_threads_get_default: 132| 1|{ 133| 1| return &ssh_threads_pthread; 134| 1|}