10Sigor@sysoev.ru 20Sigor@sysoev.ru /* 30Sigor@sysoev.ru * Copyright (C) Igor Sysoev 40Sigor@sysoev.ru * Copyright (C) NGINX, Inc. 50Sigor@sysoev.ru */ 60Sigor@sysoev.ru 70Sigor@sysoev.ru #include <nxt_main.h> 81885Sa.suvorov@f5.com #include <nxt_conf.h> 92089Spluknet@nginx.com 102089Spluknet@nginx.com #define OPENSSL_SUPPRESS_DEPRECATED 112089Spluknet@nginx.com 120Sigor@sysoev.ru #include <openssl/ssl.h> 130Sigor@sysoev.ru #include <openssl/conf.h> 140Sigor@sysoev.ru #include <openssl/err.h> 151818Smax.romanov@nginx.com #include <openssl/rand.h> 161828Sa.suvorov@f5.com #include <openssl/x509v3.h> 171942Sa.suvorov@f5.com #include <openssl/bio.h> 181942Sa.suvorov@f5.com #include <openssl/evp.h> 190Sigor@sysoev.ru 200Sigor@sysoev.ru 210Sigor@sysoev.ru typedef struct { 221952Svbart@nginx.com SSL *session; 231952Svbart@nginx.com nxt_conn_t *conn; 241952Svbart@nginx.com 251952Svbart@nginx.com int ssl_error; 261952Svbart@nginx.com uint8_t times; /* 2 bits */ 271952Svbart@nginx.com uint8_t handshake; /* 1 bit */ 281952Svbart@nginx.com 291952Svbart@nginx.com nxt_tls_conf_t *conf; 301952Svbart@nginx.com nxt_buf_mem_t buffer; 311952Svbart@nginx.com } nxt_openssl_conn_t; 321952Svbart@nginx.com 330Sigor@sysoev.ru 341952Svbart@nginx.com struct nxt_tls_ticket_s { 351952Svbart@nginx.com u_char name[16]; 361952Svbart@nginx.com u_char hmac_key[32]; 371952Svbart@nginx.com u_char aes_key[32]; 381952Svbart@nginx.com uint8_t size; 391952Svbart@nginx.com }; 400Sigor@sysoev.ru 411952Svbart@nginx.com 421952Svbart@nginx.com struct nxt_tls_tickets_s { 431952Svbart@nginx.com nxt_uint_t count; 441952Svbart@nginx.com nxt_tls_ticket_t tickets[]; 451952Svbart@nginx.com }; 460Sigor@sysoev.ru 470Sigor@sysoev.ru 48771Sigor@sysoev.ru typedef enum { 49771Sigor@sysoev.ru NXT_OPENSSL_HANDSHAKE = 0, 50771Sigor@sysoev.ru NXT_OPENSSL_READ, 51771Sigor@sysoev.ru NXT_OPENSSL_WRITE, 52771Sigor@sysoev.ru NXT_OPENSSL_SHUTDOWN, 53771Sigor@sysoev.ru } nxt_openssl_io_t; 54771Sigor@sysoev.ru 550Sigor@sysoev.ru 56771Sigor@sysoev.ru static nxt_int_t nxt_openssl_library_init(nxt_task_t *task); 57771Sigor@sysoev.ru static void nxt_openssl_library_free(nxt_task_t *task); 58771Sigor@sysoev.ru #if OPENSSL_VERSION_NUMBER < 0x10100004L 59771Sigor@sysoev.ru static nxt_int_t nxt_openssl_locks_init(void); 60771Sigor@sysoev.ru static void nxt_openssl_lock(int mode, int type, const char *file, int line); 61771Sigor@sysoev.ru static unsigned long nxt_openssl_thread_id(void); 62771Sigor@sysoev.ru static void nxt_openssl_locks_free(void); 63771Sigor@sysoev.ru #endif 641920Sa.suvorov@f5.com static nxt_int_t nxt_openssl_server_init(nxt_task_t *task, nxt_mp_t *mp, 651920Sa.suvorov@f5.com nxt_tls_init_t *tls_init, nxt_bool_t last); 661828Sa.suvorov@f5.com static nxt_int_t nxt_openssl_chain_file(nxt_task_t *task, SSL_CTX *ctx, 671828Sa.suvorov@f5.com nxt_tls_conf_t *conf, nxt_mp_t *mp, nxt_bool_t single); 681885Sa.suvorov@f5.com #if (NXT_HAVE_OPENSSL_CONF_CMD) 691885Sa.suvorov@f5.com static nxt_int_t nxt_ssl_conf_commands(nxt_task_t *task, SSL_CTX *ctx, 701885Sa.suvorov@f5.com nxt_conf_value_t *value, nxt_mp_t *mp); 711885Sa.suvorov@f5.com #endif 721942Sa.suvorov@f5.com #if (NXT_HAVE_OPENSSL_TLSEXT) 731942Sa.suvorov@f5.com static nxt_int_t nxt_tls_ticket_keys(nxt_task_t *task, SSL_CTX *ctx, 741942Sa.suvorov@f5.com nxt_tls_init_t *tls_init, nxt_mp_t *mp); 751942Sa.suvorov@f5.com static int nxt_tls_ticket_key_callback(SSL *s, unsigned char *name, 761942Sa.suvorov@f5.com unsigned char *iv, EVP_CIPHER_CTX *ectx,HMAC_CTX *hctx, int enc); 771942Sa.suvorov@f5.com #endif 781920Sa.suvorov@f5.com static void nxt_ssl_session_cache(SSL_CTX *ctx, size_t cache_size, 791920Sa.suvorov@f5.com time_t timeout); 801828Sa.suvorov@f5.com static nxt_uint_t nxt_openssl_cert_get_names(nxt_task_t *task, X509 *cert, 811828Sa.suvorov@f5.com nxt_tls_conf_t *conf, nxt_mp_t *mp); 821828Sa.suvorov@f5.com static nxt_int_t nxt_openssl_bundle_hash_test(nxt_lvlhsh_query_t *lhq, 831828Sa.suvorov@f5.com void *data); 841828Sa.suvorov@f5.com static nxt_int_t nxt_openssl_bundle_hash_insert(nxt_task_t *task, 851828Sa.suvorov@f5.com nxt_lvlhsh_t *lvlhsh, nxt_tls_bundle_hash_item_t *item, nxt_mp_t * mp); 861828Sa.suvorov@f5.com static nxt_int_t nxt_openssl_servername(SSL *s, int *ad, void *arg); 871828Sa.suvorov@f5.com static nxt_tls_bundle_conf_t *nxt_openssl_find_ctx(nxt_tls_conf_t *conf, 881828Sa.suvorov@f5.com nxt_str_t *sn); 89771Sigor@sysoev.ru static void nxt_openssl_server_free(nxt_task_t *task, nxt_tls_conf_t *conf); 90771Sigor@sysoev.ru static void nxt_openssl_conn_init(nxt_task_t *task, nxt_tls_conf_t *conf, 9162Sigor@sysoev.ru nxt_conn_t *c); 921Sigor@sysoev.ru static void nxt_openssl_conn_handshake(nxt_task_t *task, void *obj, void *data); 93771Sigor@sysoev.ru static ssize_t nxt_openssl_conn_io_recvbuf(nxt_conn_t *c, nxt_buf_t *b); 94771Sigor@sysoev.ru static ssize_t nxt_openssl_conn_io_sendbuf(nxt_task_t *task, nxt_sendbuf_t *sb); 95771Sigor@sysoev.ru static ssize_t nxt_openssl_conn_io_send(nxt_task_t *task, nxt_sendbuf_t *sb, 96771Sigor@sysoev.ru void *buf, size_t size); 971Sigor@sysoev.ru static void nxt_openssl_conn_io_shutdown(nxt_task_t *task, void *obj, 980Sigor@sysoev.ru void *data); 99771Sigor@sysoev.ru static nxt_int_t nxt_openssl_conn_test_error(nxt_task_t *task, nxt_conn_t *c, 100771Sigor@sysoev.ru int ret, nxt_err_t sys_err, nxt_openssl_io_t io); 1011884Sa.suvorov@f5.com static void nxt_openssl_conn_io_shutdown_timeout(nxt_task_t *task, void *obj, 1021884Sa.suvorov@f5.com void *data); 103771Sigor@sysoev.ru static void nxt_cdecl nxt_openssl_conn_error(nxt_task_t *task, 104771Sigor@sysoev.ru nxt_err_t err, const char *fmt, ...); 105771Sigor@sysoev.ru static nxt_uint_t nxt_openssl_log_error_level(nxt_err_t err); 1060Sigor@sysoev.ru 1070Sigor@sysoev.ru 108771Sigor@sysoev.ru const nxt_tls_lib_t nxt_openssl_lib = { 109771Sigor@sysoev.ru .library_init = nxt_openssl_library_init, 110771Sigor@sysoev.ru .library_free = nxt_openssl_library_free, 111771Sigor@sysoev.ru 112771Sigor@sysoev.ru .server_init = nxt_openssl_server_init, 113771Sigor@sysoev.ru .server_free = nxt_openssl_server_free, 1140Sigor@sysoev.ru }; 1150Sigor@sysoev.ru 1160Sigor@sysoev.ru 11762Sigor@sysoev.ru static nxt_conn_io_t nxt_openssl_conn_io = { 118771Sigor@sysoev.ru .read = nxt_conn_io_read, 119771Sigor@sysoev.ru .recvbuf = nxt_openssl_conn_io_recvbuf, 1200Sigor@sysoev.ru 121771Sigor@sysoev.ru .write = nxt_conn_io_write, 122771Sigor@sysoev.ru .sendbuf = nxt_openssl_conn_io_sendbuf, 1230Sigor@sysoev.ru 124771Sigor@sysoev.ru .shutdown = nxt_openssl_conn_io_shutdown, 1250Sigor@sysoev.ru }; 1260Sigor@sysoev.ru 1270Sigor@sysoev.ru 1280Sigor@sysoev.ru static long nxt_openssl_version; 1290Sigor@sysoev.ru static int nxt_openssl_connection_index; 1300Sigor@sysoev.ru 1310Sigor@sysoev.ru 1320Sigor@sysoev.ru static nxt_int_t 133771Sigor@sysoev.ru nxt_openssl_library_init(nxt_task_t *task) 1340Sigor@sysoev.ru { 1350Sigor@sysoev.ru int index; 1360Sigor@sysoev.ru 1370Sigor@sysoev.ru if (nxt_fast_path(nxt_openssl_version != 0)) { 1380Sigor@sysoev.ru return NXT_OK; 1390Sigor@sysoev.ru } 1400Sigor@sysoev.ru 141771Sigor@sysoev.ru #if OPENSSL_VERSION_NUMBER >= 0x10100003L 142771Sigor@sysoev.ru 143771Sigor@sysoev.ru OPENSSL_init_ssl(OPENSSL_INIT_LOAD_CONFIG, NULL); 1440Sigor@sysoev.ru 145771Sigor@sysoev.ru #else 146771Sigor@sysoev.ru { 147771Sigor@sysoev.ru nxt_int_t ret; 148771Sigor@sysoev.ru 149771Sigor@sysoev.ru SSL_load_error_strings(); 150771Sigor@sysoev.ru 151771Sigor@sysoev.ru OPENSSL_config(NULL); 1520Sigor@sysoev.ru 153771Sigor@sysoev.ru /* 154771Sigor@sysoev.ru * SSL_library_init(3): 155771Sigor@sysoev.ru * 156771Sigor@sysoev.ru * SSL_library_init() always returns "1", 157771Sigor@sysoev.ru * so it is safe to discard the return value. 158771Sigor@sysoev.ru */ 159771Sigor@sysoev.ru (void) SSL_library_init(); 160771Sigor@sysoev.ru 161771Sigor@sysoev.ru ret = nxt_openssl_locks_init(); 162771Sigor@sysoev.ru if (nxt_slow_path(ret != NXT_OK)) { 163771Sigor@sysoev.ru return ret; 164771Sigor@sysoev.ru } 165771Sigor@sysoev.ru } 166771Sigor@sysoev.ru 167771Sigor@sysoev.ru #endif 1680Sigor@sysoev.ru 1690Sigor@sysoev.ru nxt_openssl_version = SSLeay(); 1700Sigor@sysoev.ru 171771Sigor@sysoev.ru nxt_log(task, NXT_LOG_INFO, "%s, %xl", 172771Sigor@sysoev.ru SSLeay_version(SSLEAY_VERSION), nxt_openssl_version); 1730Sigor@sysoev.ru 1740Sigor@sysoev.ru #ifndef SSL_OP_NO_COMPRESSION 1750Sigor@sysoev.ru { 1760Sigor@sysoev.ru /* 1770Sigor@sysoev.ru * Disable gzip compression in OpenSSL prior to 1.0.0 1780Sigor@sysoev.ru * version, this saves about 522K per connection. 1790Sigor@sysoev.ru */ 1800Sigor@sysoev.ru int n; 1810Sigor@sysoev.ru STACK_OF(SSL_COMP) *ssl_comp_methods; 1820Sigor@sysoev.ru 1830Sigor@sysoev.ru ssl_comp_methods = SSL_COMP_get_compression_methods(); 1840Sigor@sysoev.ru 1850Sigor@sysoev.ru for (n = sk_SSL_COMP_num(ssl_comp_methods); n != 0; n--) { 1860Sigor@sysoev.ru (void) sk_SSL_COMP_pop(ssl_comp_methods); 1870Sigor@sysoev.ru } 1880Sigor@sysoev.ru } 1890Sigor@sysoev.ru #endif 1900Sigor@sysoev.ru 1910Sigor@sysoev.ru index = SSL_get_ex_new_index(0, NULL, NULL, NULL, NULL); 1920Sigor@sysoev.ru 1930Sigor@sysoev.ru if (index == -1) { 194771Sigor@sysoev.ru nxt_openssl_log_error(task, NXT_LOG_ALERT, 1950Sigor@sysoev.ru "SSL_get_ex_new_index() failed"); 1960Sigor@sysoev.ru return NXT_ERROR; 1970Sigor@sysoev.ru } 1980Sigor@sysoev.ru 1990Sigor@sysoev.ru nxt_openssl_connection_index = index; 2000Sigor@sysoev.ru 2010Sigor@sysoev.ru return NXT_OK; 2020Sigor@sysoev.ru } 2030Sigor@sysoev.ru 2040Sigor@sysoev.ru 205771Sigor@sysoev.ru #if OPENSSL_VERSION_NUMBER >= 0x10100003L 206771Sigor@sysoev.ru 207771Sigor@sysoev.ru static void 208771Sigor@sysoev.ru nxt_openssl_library_free(nxt_task_t *task) 209771Sigor@sysoev.ru { 210771Sigor@sysoev.ru } 211771Sigor@sysoev.ru 212771Sigor@sysoev.ru #else 213771Sigor@sysoev.ru 214771Sigor@sysoev.ru static nxt_thread_mutex_t *nxt_openssl_locks; 215771Sigor@sysoev.ru 2160Sigor@sysoev.ru static nxt_int_t 217771Sigor@sysoev.ru nxt_openssl_locks_init(void) 218771Sigor@sysoev.ru { 219771Sigor@sysoev.ru int i, n; 220771Sigor@sysoev.ru nxt_int_t ret; 221771Sigor@sysoev.ru 222771Sigor@sysoev.ru n = CRYPTO_num_locks(); 223771Sigor@sysoev.ru 224771Sigor@sysoev.ru nxt_openssl_locks = OPENSSL_malloc(n * sizeof(nxt_thread_mutex_t)); 225771Sigor@sysoev.ru if (nxt_slow_path(nxt_openssl_locks == NULL)) { 226771Sigor@sysoev.ru return NXT_ERROR; 227771Sigor@sysoev.ru } 228771Sigor@sysoev.ru 229771Sigor@sysoev.ru for (i = 0; i < n; i++) { 230771Sigor@sysoev.ru ret = nxt_thread_mutex_create(&nxt_openssl_locks[i]); 231771Sigor@sysoev.ru if (nxt_slow_path(ret != NXT_OK)) { 232771Sigor@sysoev.ru return ret; 233771Sigor@sysoev.ru } 234771Sigor@sysoev.ru } 235771Sigor@sysoev.ru 236771Sigor@sysoev.ru CRYPTO_set_locking_callback(nxt_openssl_lock); 237771Sigor@sysoev.ru 238771Sigor@sysoev.ru CRYPTO_set_id_callback(nxt_openssl_thread_id); 239771Sigor@sysoev.ru 240771Sigor@sysoev.ru return NXT_OK; 241771Sigor@sysoev.ru } 242771Sigor@sysoev.ru 243771Sigor@sysoev.ru 244771Sigor@sysoev.ru static void 245771Sigor@sysoev.ru nxt_openssl_lock(int mode, int type, const char *file, int line) 246771Sigor@sysoev.ru { 247771Sigor@sysoev.ru nxt_thread_mutex_t *lock; 248771Sigor@sysoev.ru 249771Sigor@sysoev.ru lock = &nxt_openssl_locks[type]; 250771Sigor@sysoev.ru 251771Sigor@sysoev.ru if ((mode & CRYPTO_LOCK) != 0) { 252771Sigor@sysoev.ru (void) nxt_thread_mutex_lock(lock); 253771Sigor@sysoev.ru 254771Sigor@sysoev.ru } else { 255771Sigor@sysoev.ru (void) nxt_thread_mutex_unlock(lock); 256771Sigor@sysoev.ru } 257771Sigor@sysoev.ru } 258771Sigor@sysoev.ru 259771Sigor@sysoev.ru 260771Sigor@sysoev.ru static u_long 261771Sigor@sysoev.ru nxt_openssl_thread_id(void) 262771Sigor@sysoev.ru { 263771Sigor@sysoev.ru return (u_long) nxt_thread_handle(); 264771Sigor@sysoev.ru } 265771Sigor@sysoev.ru 266771Sigor@sysoev.ru 267771Sigor@sysoev.ru static void 268771Sigor@sysoev.ru nxt_openssl_library_free(nxt_task_t *task) 269771Sigor@sysoev.ru { 270771Sigor@sysoev.ru nxt_openssl_locks_free(); 271771Sigor@sysoev.ru } 272771Sigor@sysoev.ru 273771Sigor@sysoev.ru 274771Sigor@sysoev.ru static void 275771Sigor@sysoev.ru nxt_openssl_locks_free(void) 276771Sigor@sysoev.ru { 277771Sigor@sysoev.ru int i, n; 278771Sigor@sysoev.ru 279771Sigor@sysoev.ru n = CRYPTO_num_locks(); 280771Sigor@sysoev.ru 281771Sigor@sysoev.ru CRYPTO_set_locking_callback(NULL); 282771Sigor@sysoev.ru 283771Sigor@sysoev.ru for (i = 0; i < n; i++) { 284771Sigor@sysoev.ru nxt_thread_mutex_destroy(&nxt_openssl_locks[i]); 285771Sigor@sysoev.ru } 286771Sigor@sysoev.ru 287771Sigor@sysoev.ru OPENSSL_free(nxt_openssl_locks); 288771Sigor@sysoev.ru } 289771Sigor@sysoev.ru 290771Sigor@sysoev.ru #endif 291771Sigor@sysoev.ru 292771Sigor@sysoev.ru 293771Sigor@sysoev.ru static nxt_int_t 2941920Sa.suvorov@f5.com nxt_openssl_server_init(nxt_task_t *task, nxt_mp_t *mp, 2951920Sa.suvorov@f5.com nxt_tls_init_t *tls_init, nxt_bool_t last) 2960Sigor@sysoev.ru { 2971828Sa.suvorov@f5.com SSL_CTX *ctx; 2981828Sa.suvorov@f5.com const char *ciphers, *ca_certificate; 2991920Sa.suvorov@f5.com nxt_tls_conf_t *conf; 3001828Sa.suvorov@f5.com STACK_OF(X509_NAME) *list; 3011828Sa.suvorov@f5.com nxt_tls_bundle_conf_t *bundle; 3020Sigor@sysoev.ru 3030Sigor@sysoev.ru ctx = SSL_CTX_new(SSLv23_server_method()); 3040Sigor@sysoev.ru if (ctx == NULL) { 305771Sigor@sysoev.ru nxt_openssl_log_error(task, NXT_LOG_ALERT, "SSL_CTX_new() failed"); 3060Sigor@sysoev.ru return NXT_ERROR; 3070Sigor@sysoev.ru } 3080Sigor@sysoev.ru 3091920Sa.suvorov@f5.com conf = tls_init->conf; 3101920Sa.suvorov@f5.com 3111828Sa.suvorov@f5.com bundle = conf->bundle; 3121828Sa.suvorov@f5.com nxt_assert(bundle != NULL); 3131828Sa.suvorov@f5.com 3141828Sa.suvorov@f5.com bundle->ctx = ctx; 3150Sigor@sysoev.ru 316771Sigor@sysoev.ru #ifdef SSL_OP_NO_RENEGOTIATION 317771Sigor@sysoev.ru /* Renegration is not currently supported. */ 318771Sigor@sysoev.ru SSL_CTX_set_options(ctx, SSL_OP_NO_RENEGOTIATION); 319771Sigor@sysoev.ru #endif 320771Sigor@sysoev.ru 3210Sigor@sysoev.ru #ifdef SSL_OP_NO_COMPRESSION 3220Sigor@sysoev.ru /* 3230Sigor@sysoev.ru * Disable gzip compression in OpenSSL 1.0.0, 3240Sigor@sysoev.ru * this saves about 522K per connection. 3250Sigor@sysoev.ru */ 3260Sigor@sysoev.ru SSL_CTX_set_options(ctx, SSL_OP_NO_COMPRESSION); 3270Sigor@sysoev.ru #endif 3280Sigor@sysoev.ru 329*2090Spluknet@nginx.com #ifdef SSL_OP_IGNORE_UNEXPECTED_EOF 330*2090Spluknet@nginx.com /* Request SSL_ERROR_ZERO_RETURN on EOF. */ 331*2090Spluknet@nginx.com SSL_CTX_set_options(ctx, SSL_OP_IGNORE_UNEXPECTED_EOF); 332*2090Spluknet@nginx.com #endif 333*2090Spluknet@nginx.com 3340Sigor@sysoev.ru #ifdef SSL_MODE_RELEASE_BUFFERS 3350Sigor@sysoev.ru 3360Sigor@sysoev.ru if (nxt_openssl_version >= 10001078) { 3370Sigor@sysoev.ru /* 3380Sigor@sysoev.ru * Allow to release read and write buffers in OpenSSL 1.0.0, 3390Sigor@sysoev.ru * this saves about 34K per idle connection. It is not safe 3400Sigor@sysoev.ru * before OpenSSL 1.0.1h (CVE-2010-5298). 3410Sigor@sysoev.ru */ 3420Sigor@sysoev.ru SSL_CTX_set_mode(ctx, SSL_MODE_RELEASE_BUFFERS); 3430Sigor@sysoev.ru } 3440Sigor@sysoev.ru 3450Sigor@sysoev.ru #endif 3460Sigor@sysoev.ru 3471828Sa.suvorov@f5.com if (nxt_openssl_chain_file(task, ctx, conf, mp, 3481828Sa.suvorov@f5.com last && bundle->next == NULL) 3491828Sa.suvorov@f5.com != NXT_OK) 3501828Sa.suvorov@f5.com { 3510Sigor@sysoev.ru goto fail; 3520Sigor@sysoev.ru } 353774Svbart@nginx.com /* 3540Sigor@sysoev.ru key = conf->certificate_key; 3550Sigor@sysoev.ru 3560Sigor@sysoev.ru if (SSL_CTX_use_PrivateKey_file(ctx, key, SSL_FILETYPE_PEM) == 0) { 357771Sigor@sysoev.ru nxt_openssl_log_error(task, NXT_LOG_ALERT, 3580Sigor@sysoev.ru "SSL_CTX_use_PrivateKey_file(\"%s\") failed", 3590Sigor@sysoev.ru key); 3600Sigor@sysoev.ru goto fail; 3610Sigor@sysoev.ru } 362774Svbart@nginx.com */ 3631885Sa.suvorov@f5.com 3640Sigor@sysoev.ru ciphers = (conf->ciphers != NULL) ? conf->ciphers : "HIGH:!aNULL:!MD5"; 3650Sigor@sysoev.ru 3660Sigor@sysoev.ru if (SSL_CTX_set_cipher_list(ctx, ciphers) == 0) { 367771Sigor@sysoev.ru nxt_openssl_log_error(task, NXT_LOG_ALERT, 3680Sigor@sysoev.ru "SSL_CTX_set_cipher_list(\"%s\") failed", 3690Sigor@sysoev.ru ciphers); 3700Sigor@sysoev.ru goto fail; 3710Sigor@sysoev.ru } 3720Sigor@sysoev.ru 3731885Sa.suvorov@f5.com #if (NXT_HAVE_OPENSSL_CONF_CMD) 3741920Sa.suvorov@f5.com if (tls_init->conf_cmds != NULL 3751920Sa.suvorov@f5.com && nxt_ssl_conf_commands(task, ctx, tls_init->conf_cmds, mp) != NXT_OK) 3761885Sa.suvorov@f5.com { 3771885Sa.suvorov@f5.com goto fail; 3781885Sa.suvorov@f5.com } 3791885Sa.suvorov@f5.com #endif 3801885Sa.suvorov@f5.com 3811920Sa.suvorov@f5.com nxt_ssl_session_cache(ctx, tls_init->cache_size, tls_init->timeout); 3821920Sa.suvorov@f5.com 3831942Sa.suvorov@f5.com #if (NXT_HAVE_OPENSSL_TLSEXT) 3841942Sa.suvorov@f5.com if (nxt_tls_ticket_keys(task, ctx, tls_init, mp) != NXT_OK) { 3851942Sa.suvorov@f5.com goto fail; 3861942Sa.suvorov@f5.com } 3871942Sa.suvorov@f5.com #endif 3881942Sa.suvorov@f5.com 3890Sigor@sysoev.ru SSL_CTX_set_options(ctx, SSL_OP_CIPHER_SERVER_PREFERENCE); 3900Sigor@sysoev.ru 3910Sigor@sysoev.ru if (conf->ca_certificate != NULL) { 3920Sigor@sysoev.ru 3930Sigor@sysoev.ru /* TODO: verify callback */ 3940Sigor@sysoev.ru SSL_CTX_set_verify(ctx, SSL_VERIFY_PEER, NULL); 3950Sigor@sysoev.ru 3960Sigor@sysoev.ru /* TODO: verify depth */ 3970Sigor@sysoev.ru SSL_CTX_set_verify_depth(ctx, 1); 3980Sigor@sysoev.ru 3990Sigor@sysoev.ru ca_certificate = conf->ca_certificate; 4000Sigor@sysoev.ru 4010Sigor@sysoev.ru if (SSL_CTX_load_verify_locations(ctx, ca_certificate, NULL) == 0) { 402771Sigor@sysoev.ru nxt_openssl_log_error(task, NXT_LOG_ALERT, 4030Sigor@sysoev.ru "SSL_CTX_load_verify_locations(\"%s\") failed", 4040Sigor@sysoev.ru ca_certificate); 4050Sigor@sysoev.ru goto fail; 4060Sigor@sysoev.ru } 4070Sigor@sysoev.ru 4080Sigor@sysoev.ru list = SSL_load_client_CA_file(ca_certificate); 4090Sigor@sysoev.ru 4100Sigor@sysoev.ru if (list == NULL) { 411771Sigor@sysoev.ru nxt_openssl_log_error(task, NXT_LOG_ALERT, 4120Sigor@sysoev.ru "SSL_load_client_CA_file(\"%s\") failed", 4130Sigor@sysoev.ru ca_certificate); 4140Sigor@sysoev.ru goto fail; 4150Sigor@sysoev.ru } 4160Sigor@sysoev.ru 4170Sigor@sysoev.ru /* 4180Sigor@sysoev.ru * SSL_load_client_CA_file() in OpenSSL prior to 0.9.7h and 4190Sigor@sysoev.ru * 0.9.8 versions always leaves an error in the error queue. 4200Sigor@sysoev.ru */ 4210Sigor@sysoev.ru ERR_clear_error(); 4220Sigor@sysoev.ru 4230Sigor@sysoev.ru SSL_CTX_set_client_CA_list(ctx, list); 4240Sigor@sysoev.ru } 4250Sigor@sysoev.ru 4261828Sa.suvorov@f5.com if (last) { 4271828Sa.suvorov@f5.com conf->conn_init = nxt_openssl_conn_init; 4281828Sa.suvorov@f5.com 4291828Sa.suvorov@f5.com if (bundle->next != NULL) { 4301828Sa.suvorov@f5.com SSL_CTX_set_tlsext_servername_callback(ctx, nxt_openssl_servername); 4311828Sa.suvorov@f5.com } 4321828Sa.suvorov@f5.com } 4331828Sa.suvorov@f5.com 4340Sigor@sysoev.ru return NXT_OK; 4350Sigor@sysoev.ru 4360Sigor@sysoev.ru fail: 4370Sigor@sysoev.ru 4380Sigor@sysoev.ru SSL_CTX_free(ctx); 4390Sigor@sysoev.ru 4401818Smax.romanov@nginx.com #if (OPENSSL_VERSION_NUMBER >= 0x1010100fL \ 4411818Smax.romanov@nginx.com && OPENSSL_VERSION_NUMBER < 0x1010101fL) 4421818Smax.romanov@nginx.com RAND_keep_random_devices_open(0); 4431818Smax.romanov@nginx.com #endif 4441818Smax.romanov@nginx.com 4450Sigor@sysoev.ru return NXT_ERROR; 4460Sigor@sysoev.ru } 4470Sigor@sysoev.ru 4480Sigor@sysoev.ru 449833Svbart@nginx.com static nxt_int_t 4501828Sa.suvorov@f5.com nxt_openssl_chain_file(nxt_task_t *task, SSL_CTX *ctx, nxt_tls_conf_t *conf, 4511828Sa.suvorov@f5.com nxt_mp_t *mp, nxt_bool_t single) 452774Svbart@nginx.com { 4531828Sa.suvorov@f5.com BIO *bio; 4541828Sa.suvorov@f5.com X509 *cert, *ca; 4551828Sa.suvorov@f5.com long reason; 4561828Sa.suvorov@f5.com EVP_PKEY *key; 4571828Sa.suvorov@f5.com nxt_int_t ret; 4581828Sa.suvorov@f5.com nxt_tls_bundle_conf_t *bundle; 4591828Sa.suvorov@f5.com 4601828Sa.suvorov@f5.com ret = NXT_ERROR; 4611828Sa.suvorov@f5.com cert = NULL; 462774Svbart@nginx.com 463774Svbart@nginx.com bio = BIO_new(BIO_s_fd()); 464774Svbart@nginx.com if (bio == NULL) { 4651828Sa.suvorov@f5.com goto end; 466774Svbart@nginx.com } 467774Svbart@nginx.com 4681828Sa.suvorov@f5.com bundle = conf->bundle; 469774Svbart@nginx.com 4701828Sa.suvorov@f5.com BIO_set_fd(bio, bundle->chain_file, BIO_CLOSE); 471774Svbart@nginx.com 472774Svbart@nginx.com cert = PEM_read_bio_X509_AUX(bio, NULL, NULL, NULL); 473774Svbart@nginx.com if (cert == NULL) { 474774Svbart@nginx.com goto end; 475774Svbart@nginx.com } 476774Svbart@nginx.com 477774Svbart@nginx.com if (SSL_CTX_use_certificate(ctx, cert) != 1) { 478774Svbart@nginx.com goto end; 479774Svbart@nginx.com } 480774Svbart@nginx.com 4811828Sa.suvorov@f5.com if (!single && nxt_openssl_cert_get_names(task, cert, conf, mp) != NXT_OK) { 4821828Sa.suvorov@f5.com goto clean; 4831828Sa.suvorov@f5.com } 4841828Sa.suvorov@f5.com 485774Svbart@nginx.com for ( ;; ) { 486774Svbart@nginx.com ca = PEM_read_bio_X509(bio, NULL, NULL, NULL); 487774Svbart@nginx.com 488774Svbart@nginx.com if (ca == NULL) { 489774Svbart@nginx.com reason = ERR_GET_REASON(ERR_peek_last_error()); 490774Svbart@nginx.com if (reason != PEM_R_NO_START_LINE) { 491774Svbart@nginx.com goto end; 492774Svbart@nginx.com } 493774Svbart@nginx.com 494774Svbart@nginx.com ERR_clear_error(); 495774Svbart@nginx.com break; 496774Svbart@nginx.com } 497774Svbart@nginx.com 498774Svbart@nginx.com /* 499774Svbart@nginx.com * Note that ca isn't freed if it was successfully added to the chain, 500774Svbart@nginx.com * while the main certificate needs a X509_free() call, since 501774Svbart@nginx.com * its reference count is increased by SSL_CTX_use_certificate(). 502774Svbart@nginx.com */ 503808Spluknet@nginx.com #ifdef SSL_CTX_add0_chain_cert 504774Svbart@nginx.com if (SSL_CTX_add0_chain_cert(ctx, ca) != 1) { 505774Svbart@nginx.com #else 506774Svbart@nginx.com if (SSL_CTX_add_extra_chain_cert(ctx, ca) != 1) { 507774Svbart@nginx.com #endif 508774Svbart@nginx.com X509_free(ca); 509774Svbart@nginx.com goto end; 510774Svbart@nginx.com } 511774Svbart@nginx.com } 512774Svbart@nginx.com 513774Svbart@nginx.com if (BIO_reset(bio) != 0) { 514774Svbart@nginx.com goto end; 515774Svbart@nginx.com } 516774Svbart@nginx.com 517774Svbart@nginx.com key = PEM_read_bio_PrivateKey(bio, NULL, NULL, NULL); 518774Svbart@nginx.com if (key == NULL) { 519774Svbart@nginx.com goto end; 520774Svbart@nginx.com } 521774Svbart@nginx.com 522774Svbart@nginx.com if (SSL_CTX_use_PrivateKey(ctx, key) == 1) { 523774Svbart@nginx.com ret = NXT_OK; 524774Svbart@nginx.com } 525774Svbart@nginx.com 526774Svbart@nginx.com EVP_PKEY_free(key); 527774Svbart@nginx.com 528774Svbart@nginx.com end: 529774Svbart@nginx.com 5301828Sa.suvorov@f5.com if (ret != NXT_OK) { 5311828Sa.suvorov@f5.com nxt_openssl_log_error(task, NXT_LOG_ALERT, 5321828Sa.suvorov@f5.com "nxt_openssl_chain_file() failed"); 5331828Sa.suvorov@f5.com } 5341828Sa.suvorov@f5.com 5351828Sa.suvorov@f5.com clean: 5361828Sa.suvorov@f5.com 5371828Sa.suvorov@f5.com BIO_free(bio); 538774Svbart@nginx.com X509_free(cert); 539774Svbart@nginx.com 540774Svbart@nginx.com return ret; 541774Svbart@nginx.com } 542774Svbart@nginx.com 543774Svbart@nginx.com 5441885Sa.suvorov@f5.com #if (NXT_HAVE_OPENSSL_CONF_CMD) 5451885Sa.suvorov@f5.com 5461885Sa.suvorov@f5.com static nxt_int_t 5471885Sa.suvorov@f5.com nxt_ssl_conf_commands(nxt_task_t *task, SSL_CTX *ctx, nxt_conf_value_t *conf, 5481885Sa.suvorov@f5.com nxt_mp_t *mp) 5491885Sa.suvorov@f5.com { 5501885Sa.suvorov@f5.com int ret; 5511885Sa.suvorov@f5.com char *zcmd, *zvalue; 5521885Sa.suvorov@f5.com uint32_t index; 5531885Sa.suvorov@f5.com nxt_str_t cmd, value; 5541885Sa.suvorov@f5.com SSL_CONF_CTX *cctx; 5551885Sa.suvorov@f5.com nxt_conf_value_t *member; 5561885Sa.suvorov@f5.com 5571885Sa.suvorov@f5.com cctx = SSL_CONF_CTX_new(); 5581885Sa.suvorov@f5.com if (nxt_slow_path(cctx == NULL)) { 5591885Sa.suvorov@f5.com nxt_openssl_log_error(task, NXT_LOG_ALERT, 5601885Sa.suvorov@f5.com "SSL_CONF_CTX_new() failed"); 5611885Sa.suvorov@f5.com return NXT_ERROR; 5621885Sa.suvorov@f5.com } 5631885Sa.suvorov@f5.com 5641885Sa.suvorov@f5.com SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_FILE 5651885Sa.suvorov@f5.com | SSL_CONF_FLAG_SERVER 5661885Sa.suvorov@f5.com | SSL_CONF_FLAG_CERTIFICATE 5671885Sa.suvorov@f5.com | SSL_CONF_FLAG_SHOW_ERRORS); 5681885Sa.suvorov@f5.com 5691885Sa.suvorov@f5.com SSL_CONF_CTX_set_ssl_ctx(cctx, ctx); 5701885Sa.suvorov@f5.com 5711885Sa.suvorov@f5.com index = 0; 5721885Sa.suvorov@f5.com 5731885Sa.suvorov@f5.com for ( ;; ) { 5741885Sa.suvorov@f5.com member = nxt_conf_next_object_member(conf, &cmd, &index); 5751885Sa.suvorov@f5.com if (nxt_slow_path(member == NULL)) { 5761885Sa.suvorov@f5.com break; 5771885Sa.suvorov@f5.com } 5781885Sa.suvorov@f5.com 5791885Sa.suvorov@f5.com nxt_conf_get_string(member, &value); 5801885Sa.suvorov@f5.com 5811885Sa.suvorov@f5.com zcmd = nxt_str_cstrz(mp, &cmd); 5821885Sa.suvorov@f5.com zvalue = nxt_str_cstrz(mp, &value); 5831885Sa.suvorov@f5.com 5841885Sa.suvorov@f5.com if (nxt_slow_path(zcmd == NULL || zvalue == NULL)) { 5851885Sa.suvorov@f5.com goto fail; 5861885Sa.suvorov@f5.com } 5871885Sa.suvorov@f5.com 5881885Sa.suvorov@f5.com ret = SSL_CONF_cmd(cctx, zcmd, zvalue); 5891885Sa.suvorov@f5.com if (ret == -2) { 5901885Sa.suvorov@f5.com nxt_openssl_log_error(task, NXT_LOG_ERR, 5911885Sa.suvorov@f5.com "unknown command \"%s\" in " 5921885Sa.suvorov@f5.com "\"conf_commands\" option", zcmd); 5931885Sa.suvorov@f5.com goto fail; 5941885Sa.suvorov@f5.com } 5951885Sa.suvorov@f5.com 5961885Sa.suvorov@f5.com if (ret <= 0) { 5971885Sa.suvorov@f5.com nxt_openssl_log_error(task, NXT_LOG_ERR, 5981885Sa.suvorov@f5.com "invalid value \"%s\" for command \"%s\" " 5991885Sa.suvorov@f5.com "in \"conf_commands\" option", 6001885Sa.suvorov@f5.com zvalue, zcmd); 6011885Sa.suvorov@f5.com goto fail; 6021885Sa.suvorov@f5.com } 6031885Sa.suvorov@f5.com 6041885Sa.suvorov@f5.com nxt_debug(task, "SSL_CONF_cmd(\"%s\", \"%s\")", zcmd, zvalue); 6051885Sa.suvorov@f5.com } 6061885Sa.suvorov@f5.com 6071885Sa.suvorov@f5.com if (SSL_CONF_CTX_finish(cctx) != 1) { 6081885Sa.suvorov@f5.com nxt_openssl_log_error(task, NXT_LOG_ALERT, 6091885Sa.suvorov@f5.com "SSL_CONF_finish() failed"); 6101885Sa.suvorov@f5.com goto fail; 6111885Sa.suvorov@f5.com } 6121885Sa.suvorov@f5.com 6131885Sa.suvorov@f5.com SSL_CONF_CTX_free(cctx); 6141885Sa.suvorov@f5.com 6151885Sa.suvorov@f5.com return NXT_OK; 6161885Sa.suvorov@f5.com 6171885Sa.suvorov@f5.com fail: 6181885Sa.suvorov@f5.com 6191885Sa.suvorov@f5.com SSL_CONF_CTX_free(cctx); 6201885Sa.suvorov@f5.com 6211885Sa.suvorov@f5.com return NXT_ERROR; 6221885Sa.suvorov@f5.com } 6231885Sa.suvorov@f5.com 6241885Sa.suvorov@f5.com #endif 6251885Sa.suvorov@f5.com 6261942Sa.suvorov@f5.com #if (NXT_HAVE_OPENSSL_TLSEXT) 6271942Sa.suvorov@f5.com 6281942Sa.suvorov@f5.com static nxt_int_t 6291942Sa.suvorov@f5.com nxt_tls_ticket_keys(nxt_task_t *task, SSL_CTX *ctx, nxt_tls_init_t *tls_init, 6301942Sa.suvorov@f5.com nxt_mp_t *mp) 6311942Sa.suvorov@f5.com { 6321975Svbart@nginx.com size_t len; 6331942Sa.suvorov@f5.com uint32_t i; 6341942Sa.suvorov@f5.com nxt_str_t value; 6351942Sa.suvorov@f5.com nxt_uint_t count; 6361942Sa.suvorov@f5.com nxt_conf_value_t *member, *tickets_conf; 6371942Sa.suvorov@f5.com nxt_tls_ticket_t *ticket; 6381942Sa.suvorov@f5.com nxt_tls_tickets_t *tickets; 6391942Sa.suvorov@f5.com u_char buf[80]; 6401942Sa.suvorov@f5.com 6411942Sa.suvorov@f5.com tickets_conf = tls_init->tickets_conf; 6421942Sa.suvorov@f5.com 6431942Sa.suvorov@f5.com if (tickets_conf == NULL) { 6441942Sa.suvorov@f5.com goto no_ticket; 6451942Sa.suvorov@f5.com } 6461942Sa.suvorov@f5.com 6471942Sa.suvorov@f5.com if (nxt_conf_type(tickets_conf) == NXT_CONF_BOOLEAN) { 6481942Sa.suvorov@f5.com if (nxt_conf_get_boolean(tickets_conf) == 0) { 6491942Sa.suvorov@f5.com goto no_ticket; 6501942Sa.suvorov@f5.com } 6511942Sa.suvorov@f5.com 6521942Sa.suvorov@f5.com return NXT_OK; 6531942Sa.suvorov@f5.com } 6541942Sa.suvorov@f5.com 6552077Salx.manpages@gmail.com count = nxt_conf_array_elements_count_or_1(tickets_conf); 6561942Sa.suvorov@f5.com 6572077Salx.manpages@gmail.com if (count == 0) { 6582077Salx.manpages@gmail.com goto no_ticket; 6591942Sa.suvorov@f5.com } 6601942Sa.suvorov@f5.com 6611942Sa.suvorov@f5.com #ifdef SSL_CTRL_SET_TLSEXT_TICKET_KEY_CB 6621942Sa.suvorov@f5.com 6631942Sa.suvorov@f5.com tickets = nxt_mp_get(mp, sizeof(nxt_tls_tickets_t) 6641942Sa.suvorov@f5.com + count * sizeof(nxt_tls_ticket_t)); 6651942Sa.suvorov@f5.com if (nxt_slow_path(tickets == NULL)) { 6661942Sa.suvorov@f5.com return NXT_ERROR; 6671942Sa.suvorov@f5.com } 6681942Sa.suvorov@f5.com 6691942Sa.suvorov@f5.com tickets->count = count; 6701942Sa.suvorov@f5.com tls_init->conf->tickets = tickets; 6711942Sa.suvorov@f5.com i = 0; 6721942Sa.suvorov@f5.com 6731942Sa.suvorov@f5.com do { 6741942Sa.suvorov@f5.com ticket = &tickets->tickets[i]; 6751942Sa.suvorov@f5.com 6761942Sa.suvorov@f5.com i++; 6771942Sa.suvorov@f5.com 6782077Salx.manpages@gmail.com member = nxt_conf_get_array_element_or_itself(tickets_conf, count - i); 6792077Salx.manpages@gmail.com if (member == NULL) { 6802077Salx.manpages@gmail.com break; 6811942Sa.suvorov@f5.com } 6821942Sa.suvorov@f5.com 6831942Sa.suvorov@f5.com nxt_conf_get_string(member, &value); 6841942Sa.suvorov@f5.com 6851975Svbart@nginx.com len = nxt_base64_decode(buf, value.start, value.length); 6861942Sa.suvorov@f5.com 6871952Svbart@nginx.com nxt_memcpy(ticket->name, buf, 16); 6881952Svbart@nginx.com 6891975Svbart@nginx.com if (len == 48) { 6901942Sa.suvorov@f5.com nxt_memcpy(ticket->aes_key, buf + 16, 16); 6911942Sa.suvorov@f5.com nxt_memcpy(ticket->hmac_key, buf + 32, 16); 6921952Svbart@nginx.com ticket->size = 16; 6931942Sa.suvorov@f5.com 6941942Sa.suvorov@f5.com } else { 6951942Sa.suvorov@f5.com nxt_memcpy(ticket->hmac_key, buf + 16, 32); 6961942Sa.suvorov@f5.com nxt_memcpy(ticket->aes_key, buf + 48, 32); 6971952Svbart@nginx.com ticket->size = 32; 6981942Sa.suvorov@f5.com } 6991942Sa.suvorov@f5.com 7001942Sa.suvorov@f5.com } while (i < count); 7011942Sa.suvorov@f5.com 7021942Sa.suvorov@f5.com if (SSL_CTX_set_tlsext_ticket_key_cb(ctx, nxt_tls_ticket_key_callback) 7031942Sa.suvorov@f5.com == 0) 7041942Sa.suvorov@f5.com { 7051942Sa.suvorov@f5.com nxt_openssl_log_error(task, NXT_LOG_ALERT, 7061942Sa.suvorov@f5.com "Unit was built with Session Tickets support, however, " 7071942Sa.suvorov@f5.com "now it is linked dynamically to an OpenSSL library " 7081942Sa.suvorov@f5.com "which has no tlsext support, therefore Session Tickets " 7091942Sa.suvorov@f5.com "are not available"); 7101942Sa.suvorov@f5.com 7111942Sa.suvorov@f5.com return NXT_ERROR; 7121942Sa.suvorov@f5.com } 7131942Sa.suvorov@f5.com 7141942Sa.suvorov@f5.com return NXT_OK; 7151942Sa.suvorov@f5.com 7161942Sa.suvorov@f5.com #else 7171942Sa.suvorov@f5.com nxt_alert(task, "Setting custom session ticket keys is not supported with " 7181942Sa.suvorov@f5.com "this version of OpenSSL library"); 7191942Sa.suvorov@f5.com 7201942Sa.suvorov@f5.com return NXT_ERROR; 7211942Sa.suvorov@f5.com 7221942Sa.suvorov@f5.com #endif 7231942Sa.suvorov@f5.com 7241942Sa.suvorov@f5.com no_ticket: 7251942Sa.suvorov@f5.com 7261942Sa.suvorov@f5.com SSL_CTX_set_options(ctx, SSL_OP_NO_TICKET); 7271942Sa.suvorov@f5.com 7281942Sa.suvorov@f5.com return NXT_OK; 7291942Sa.suvorov@f5.com } 7301942Sa.suvorov@f5.com 7311942Sa.suvorov@f5.com 7321942Sa.suvorov@f5.com #ifdef SSL_CTRL_SET_TLSEXT_TICKET_KEY_CB 7331942Sa.suvorov@f5.com 7341942Sa.suvorov@f5.com static int 7351942Sa.suvorov@f5.com nxt_tls_ticket_key_callback(SSL *s, unsigned char *name, unsigned char *iv, 7361942Sa.suvorov@f5.com EVP_CIPHER_CTX *ectx, HMAC_CTX *hctx, int enc) 7371942Sa.suvorov@f5.com { 7381942Sa.suvorov@f5.com nxt_uint_t i; 7391942Sa.suvorov@f5.com nxt_conn_t *c; 7401942Sa.suvorov@f5.com const EVP_MD *digest; 7411942Sa.suvorov@f5.com const EVP_CIPHER *cipher; 7421942Sa.suvorov@f5.com nxt_tls_ticket_t *ticket; 7431942Sa.suvorov@f5.com nxt_openssl_conn_t *tls; 7441942Sa.suvorov@f5.com 7451942Sa.suvorov@f5.com c = SSL_get_ex_data(s, nxt_openssl_connection_index); 7461942Sa.suvorov@f5.com 7471942Sa.suvorov@f5.com if (nxt_slow_path(c == NULL)) { 7481942Sa.suvorov@f5.com nxt_thread_log_alert("SSL_get_ex_data() failed"); 7491942Sa.suvorov@f5.com return -1; 7501942Sa.suvorov@f5.com } 7511942Sa.suvorov@f5.com 7521942Sa.suvorov@f5.com tls = c->u.tls; 7531942Sa.suvorov@f5.com ticket = tls->conf->tickets->tickets; 7541942Sa.suvorov@f5.com 7551952Svbart@nginx.com i = 0; 7561942Sa.suvorov@f5.com 7571942Sa.suvorov@f5.com if (enc == 1) { 7581942Sa.suvorov@f5.com /* encrypt session ticket */ 7591942Sa.suvorov@f5.com 7601942Sa.suvorov@f5.com nxt_debug(c->socket.task, "TLS session ticket encrypt"); 7611942Sa.suvorov@f5.com 7621952Svbart@nginx.com cipher = (ticket[0].size == 16) ? EVP_aes_128_cbc() : EVP_aes_256_cbc(); 7631942Sa.suvorov@f5.com 7641942Sa.suvorov@f5.com if (RAND_bytes(iv, EVP_CIPHER_iv_length(cipher)) != 1) { 7651942Sa.suvorov@f5.com nxt_openssl_log_error(c->socket.task, NXT_LOG_ALERT, 7661942Sa.suvorov@f5.com "RAND_bytes() failed"); 7671942Sa.suvorov@f5.com return -1; 7681942Sa.suvorov@f5.com } 7691942Sa.suvorov@f5.com 7701942Sa.suvorov@f5.com nxt_memcpy(name, ticket[0].name, 16); 7711942Sa.suvorov@f5.com 7721967Sartem.konev@nginx.com if (EVP_EncryptInit_ex(ectx, cipher, NULL, ticket[0].aes_key, iv) != 1) 7731967Sartem.konev@nginx.com { 7741967Sartem.konev@nginx.com nxt_openssl_log_error(c->socket.task, NXT_LOG_ALERT, 7751967Sartem.konev@nginx.com "EVP_EncryptInit_ex() failed"); 7761967Sartem.konev@nginx.com return -1; 7771967Sartem.konev@nginx.com } 7781967Sartem.konev@nginx.com 7791942Sa.suvorov@f5.com } else { 7801942Sa.suvorov@f5.com /* decrypt session ticket */ 7811942Sa.suvorov@f5.com 7821952Svbart@nginx.com do { 7831942Sa.suvorov@f5.com if (nxt_memcmp(name, ticket[i].name, 16) == 0) { 7841942Sa.suvorov@f5.com goto found; 7851942Sa.suvorov@f5.com } 7861952Svbart@nginx.com 7871952Svbart@nginx.com } while (++i < tls->conf->tickets->count); 7881942Sa.suvorov@f5.com 7891942Sa.suvorov@f5.com nxt_debug(c->socket.task, "TLS session ticket decrypt, key not found"); 7901942Sa.suvorov@f5.com 7911942Sa.suvorov@f5.com return 0; 7921942Sa.suvorov@f5.com 7931942Sa.suvorov@f5.com found: 7941942Sa.suvorov@f5.com 7951942Sa.suvorov@f5.com nxt_debug(c->socket.task, 7961942Sa.suvorov@f5.com "TLS session ticket decrypt, key number: \"%d\"", i); 7971942Sa.suvorov@f5.com 7981952Svbart@nginx.com enc = (i == 0) ? 1 : 2 /* renew */; 7991952Svbart@nginx.com 8001952Svbart@nginx.com cipher = (ticket[i].size == 16) ? EVP_aes_128_cbc() : EVP_aes_256_cbc(); 8011942Sa.suvorov@f5.com 8021967Sartem.konev@nginx.com if (EVP_DecryptInit_ex(ectx, cipher, NULL, ticket[i].aes_key, iv) != 1) 8031967Sartem.konev@nginx.com { 8041967Sartem.konev@nginx.com nxt_openssl_log_error(c->socket.task, NXT_LOG_ALERT, 8051967Sartem.konev@nginx.com "EVP_DecryptInit_ex() failed"); 8061967Sartem.konev@nginx.com return -1; 8071967Sartem.konev@nginx.com } 8081952Svbart@nginx.com } 8091942Sa.suvorov@f5.com 8101952Svbart@nginx.com #ifdef OPENSSL_NO_SHA256 8111952Svbart@nginx.com digest = EVP_sha1(); 8121952Svbart@nginx.com #else 8131952Svbart@nginx.com digest = EVP_sha256(); 8141952Svbart@nginx.com #endif 8151942Sa.suvorov@f5.com 8161952Svbart@nginx.com if (HMAC_Init_ex(hctx, ticket[i].hmac_key, ticket[i].size, digest, NULL) 8171952Svbart@nginx.com != 1) 8181952Svbart@nginx.com { 8191952Svbart@nginx.com nxt_openssl_log_error(c->socket.task, NXT_LOG_ALERT, 8201952Svbart@nginx.com "HMAC_Init_ex() failed"); 8211952Svbart@nginx.com return -1; 8221952Svbart@nginx.com } 8231942Sa.suvorov@f5.com 8241952Svbart@nginx.com return enc; 8251942Sa.suvorov@f5.com } 8261942Sa.suvorov@f5.com 8271942Sa.suvorov@f5.com #endif /* SSL_CTRL_SET_TLSEXT_TICKET_KEY_CB */ 8281942Sa.suvorov@f5.com 8291942Sa.suvorov@f5.com #endif /* NXT_HAVE_OPENSSL_TLSEXT */ 8301942Sa.suvorov@f5.com 8311885Sa.suvorov@f5.com 8321920Sa.suvorov@f5.com static void 8331920Sa.suvorov@f5.com nxt_ssl_session_cache(SSL_CTX *ctx, size_t cache_size, time_t timeout) 8341920Sa.suvorov@f5.com { 8351920Sa.suvorov@f5.com if (cache_size == 0) { 8361920Sa.suvorov@f5.com SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF); 8371920Sa.suvorov@f5.com return; 8381920Sa.suvorov@f5.com } 8391920Sa.suvorov@f5.com 8401920Sa.suvorov@f5.com SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_SERVER); 8411920Sa.suvorov@f5.com 8421920Sa.suvorov@f5.com SSL_CTX_sess_set_cache_size(ctx, cache_size); 8431920Sa.suvorov@f5.com 8441920Sa.suvorov@f5.com SSL_CTX_set_timeout(ctx, (long) timeout); 8451920Sa.suvorov@f5.com } 8461920Sa.suvorov@f5.com 8471920Sa.suvorov@f5.com 8481828Sa.suvorov@f5.com static nxt_uint_t 8491828Sa.suvorov@f5.com nxt_openssl_cert_get_names(nxt_task_t *task, X509 *cert, nxt_tls_conf_t *conf, 8501828Sa.suvorov@f5.com nxt_mp_t *mp) 8511828Sa.suvorov@f5.com { 8521828Sa.suvorov@f5.com int len; 8531828Sa.suvorov@f5.com nxt_str_t domain, str; 8541828Sa.suvorov@f5.com X509_NAME *x509_name; 8551828Sa.suvorov@f5.com nxt_uint_t i, n; 8561828Sa.suvorov@f5.com GENERAL_NAME *name; 8571828Sa.suvorov@f5.com nxt_tls_bundle_conf_t *bundle; 8581828Sa.suvorov@f5.com STACK_OF(GENERAL_NAME) *alt_names; 8591828Sa.suvorov@f5.com nxt_tls_bundle_hash_item_t *item; 8601828Sa.suvorov@f5.com 8611828Sa.suvorov@f5.com bundle = conf->bundle; 8621828Sa.suvorov@f5.com 8631828Sa.suvorov@f5.com alt_names = X509_get_ext_d2i(cert, NID_subject_alt_name, NULL, NULL); 8641828Sa.suvorov@f5.com 8651828Sa.suvorov@f5.com if (alt_names != NULL) { 8661828Sa.suvorov@f5.com n = sk_GENERAL_NAME_num(alt_names); 8671828Sa.suvorov@f5.com 8681828Sa.suvorov@f5.com for (i = 0; i != n; i++) { 8691828Sa.suvorov@f5.com name = sk_GENERAL_NAME_value(alt_names, i); 8701828Sa.suvorov@f5.com 8711828Sa.suvorov@f5.com if (name->type != GEN_DNS) { 8721828Sa.suvorov@f5.com continue; 8731828Sa.suvorov@f5.com } 8741828Sa.suvorov@f5.com 8751828Sa.suvorov@f5.com str.length = ASN1_STRING_length(name->d.dNSName); 8761828Sa.suvorov@f5.com #if OPENSSL_VERSION_NUMBER > 0x10100000L 8771828Sa.suvorov@f5.com str.start = (u_char *) ASN1_STRING_get0_data(name->d.dNSName); 8781828Sa.suvorov@f5.com #else 8791828Sa.suvorov@f5.com str.start = ASN1_STRING_data(name->d.dNSName); 8801828Sa.suvorov@f5.com #endif 8811828Sa.suvorov@f5.com 8821828Sa.suvorov@f5.com domain.start = nxt_mp_nget(mp, str.length); 8831828Sa.suvorov@f5.com if (nxt_slow_path(domain.start == NULL)) { 8841828Sa.suvorov@f5.com goto fail; 8851828Sa.suvorov@f5.com } 8861828Sa.suvorov@f5.com 8871828Sa.suvorov@f5.com domain.length = str.length; 8881828Sa.suvorov@f5.com nxt_memcpy_lowcase(domain.start, str.start, str.length); 8891828Sa.suvorov@f5.com 8901828Sa.suvorov@f5.com item = nxt_mp_get(mp, sizeof(nxt_tls_bundle_hash_item_t)); 8911828Sa.suvorov@f5.com if (nxt_slow_path(item == NULL)) { 8921828Sa.suvorov@f5.com goto fail; 8931828Sa.suvorov@f5.com } 8941828Sa.suvorov@f5.com 8951828Sa.suvorov@f5.com item->name = domain; 8961828Sa.suvorov@f5.com item->bundle = bundle; 8971828Sa.suvorov@f5.com 8981828Sa.suvorov@f5.com if (nxt_openssl_bundle_hash_insert(task, &conf->bundle_hash, 8991828Sa.suvorov@f5.com item, mp) 9001828Sa.suvorov@f5.com == NXT_ERROR) 9011828Sa.suvorov@f5.com { 9021828Sa.suvorov@f5.com goto fail; 9031828Sa.suvorov@f5.com } 9041828Sa.suvorov@f5.com } 9051828Sa.suvorov@f5.com 9061828Sa.suvorov@f5.com sk_GENERAL_NAME_pop_free(alt_names, GENERAL_NAME_free); 9071828Sa.suvorov@f5.com 9081828Sa.suvorov@f5.com } else { 9091828Sa.suvorov@f5.com x509_name = X509_get_subject_name(cert); 9101828Sa.suvorov@f5.com len = X509_NAME_get_text_by_NID(x509_name, NID_commonName, 9111828Sa.suvorov@f5.com NULL, 0); 9121828Sa.suvorov@f5.com if (len <= 0) { 9131828Sa.suvorov@f5.com nxt_log(task, NXT_LOG_WARN, "certificate \"%V\" has neither " 9141885Sa.suvorov@f5.com "Subject Alternative Name nor Common Name", &bundle->name); 9151828Sa.suvorov@f5.com return NXT_OK; 9161828Sa.suvorov@f5.com } 9171828Sa.suvorov@f5.com 9181828Sa.suvorov@f5.com domain.start = nxt_mp_nget(mp, len + 1); 9191828Sa.suvorov@f5.com if (nxt_slow_path(domain.start == NULL)) { 9201828Sa.suvorov@f5.com return NXT_ERROR; 9211828Sa.suvorov@f5.com } 9221828Sa.suvorov@f5.com 9231828Sa.suvorov@f5.com domain.length = X509_NAME_get_text_by_NID(x509_name, NID_commonName, 9241828Sa.suvorov@f5.com (char *) domain.start, 9251828Sa.suvorov@f5.com len + 1); 9261828Sa.suvorov@f5.com nxt_memcpy_lowcase(domain.start, domain.start, domain.length); 9271828Sa.suvorov@f5.com 9281828Sa.suvorov@f5.com item = nxt_mp_get(mp, sizeof(nxt_tls_bundle_hash_item_t)); 9291828Sa.suvorov@f5.com if (nxt_slow_path(item == NULL)) { 9301828Sa.suvorov@f5.com return NXT_ERROR; 9311828Sa.suvorov@f5.com } 9321828Sa.suvorov@f5.com 9331828Sa.suvorov@f5.com item->name = domain; 9341828Sa.suvorov@f5.com item->bundle = bundle; 9351828Sa.suvorov@f5.com 9361828Sa.suvorov@f5.com if (nxt_openssl_bundle_hash_insert(task, &conf->bundle_hash, item, 9371828Sa.suvorov@f5.com mp) 9381828Sa.suvorov@f5.com == NXT_ERROR) 9391828Sa.suvorov@f5.com { 9401828Sa.suvorov@f5.com return NXT_ERROR; 9411828Sa.suvorov@f5.com } 9421828Sa.suvorov@f5.com } 9431828Sa.suvorov@f5.com 9441828Sa.suvorov@f5.com return NXT_OK; 9451828Sa.suvorov@f5.com 9461828Sa.suvorov@f5.com fail: 9471828Sa.suvorov@f5.com 9481828Sa.suvorov@f5.com sk_GENERAL_NAME_pop_free(alt_names, GENERAL_NAME_free); 9491828Sa.suvorov@f5.com 9501828Sa.suvorov@f5.com return NXT_ERROR; 9511828Sa.suvorov@f5.com } 9521828Sa.suvorov@f5.com 9531828Sa.suvorov@f5.com 9541828Sa.suvorov@f5.com static const nxt_lvlhsh_proto_t nxt_openssl_bundle_hash_proto 9551828Sa.suvorov@f5.com nxt_aligned(64) = 9561828Sa.suvorov@f5.com { 9571828Sa.suvorov@f5.com NXT_LVLHSH_DEFAULT, 9581828Sa.suvorov@f5.com nxt_openssl_bundle_hash_test, 9591828Sa.suvorov@f5.com nxt_mp_lvlhsh_alloc, 9601828Sa.suvorov@f5.com nxt_mp_lvlhsh_free, 9611828Sa.suvorov@f5.com }; 9621828Sa.suvorov@f5.com 9631828Sa.suvorov@f5.com 9641828Sa.suvorov@f5.com static nxt_int_t 9651828Sa.suvorov@f5.com nxt_openssl_bundle_hash_test(nxt_lvlhsh_query_t *lhq, void *data) 9661828Sa.suvorov@f5.com { 9671828Sa.suvorov@f5.com nxt_tls_bundle_hash_item_t *item; 9681828Sa.suvorov@f5.com 9691828Sa.suvorov@f5.com item = data; 9701828Sa.suvorov@f5.com 9711828Sa.suvorov@f5.com return nxt_strstr_eq(&lhq->key, &item->name) ? NXT_OK : NXT_DECLINED; 9721828Sa.suvorov@f5.com } 9731828Sa.suvorov@f5.com 9741828Sa.suvorov@f5.com 9751828Sa.suvorov@f5.com static nxt_int_t 9761828Sa.suvorov@f5.com nxt_openssl_bundle_hash_insert(nxt_task_t *task, nxt_lvlhsh_t *lvlhsh, 9771828Sa.suvorov@f5.com nxt_tls_bundle_hash_item_t *item, nxt_mp_t *mp) 9781828Sa.suvorov@f5.com { 9791828Sa.suvorov@f5.com nxt_str_t str; 9801828Sa.suvorov@f5.com nxt_int_t ret; 9811828Sa.suvorov@f5.com nxt_lvlhsh_query_t lhq; 9821828Sa.suvorov@f5.com nxt_tls_bundle_hash_item_t *old; 9831828Sa.suvorov@f5.com 9841828Sa.suvorov@f5.com str = item->name; 9851828Sa.suvorov@f5.com 9861828Sa.suvorov@f5.com if (item->name.start[0] == '*') { 9871828Sa.suvorov@f5.com item->name.start++; 9881828Sa.suvorov@f5.com item->name.length--; 9891828Sa.suvorov@f5.com 9901828Sa.suvorov@f5.com if (item->name.length == 0 || item->name.start[0] != '.') { 9911828Sa.suvorov@f5.com nxt_log(task, NXT_LOG_WARN, "ignored invalid name \"%V\" " 9921828Sa.suvorov@f5.com "in certificate \"%V\": missing \".\" " 9931885Sa.suvorov@f5.com "after wildcard symbol", &str, &item->bundle->name); 9941828Sa.suvorov@f5.com return NXT_OK; 9951828Sa.suvorov@f5.com } 9961828Sa.suvorov@f5.com } 9971828Sa.suvorov@f5.com 9981828Sa.suvorov@f5.com lhq.pool = mp; 9991828Sa.suvorov@f5.com lhq.key = item->name; 10001828Sa.suvorov@f5.com lhq.value = item; 10011828Sa.suvorov@f5.com lhq.proto = &nxt_openssl_bundle_hash_proto; 10021828Sa.suvorov@f5.com lhq.replace = 0; 10031828Sa.suvorov@f5.com lhq.key_hash = nxt_murmur_hash2(item->name.start, item->name.length); 10041828Sa.suvorov@f5.com 10051828Sa.suvorov@f5.com ret = nxt_lvlhsh_insert(lvlhsh, &lhq); 10061828Sa.suvorov@f5.com if (nxt_fast_path(ret == NXT_OK)) { 10071828Sa.suvorov@f5.com nxt_debug(task, "name \"%V\" for certificate \"%V\" is inserted", 10081885Sa.suvorov@f5.com &str, &item->bundle->name); 10091828Sa.suvorov@f5.com return NXT_OK; 10101828Sa.suvorov@f5.com } 10111828Sa.suvorov@f5.com 10121828Sa.suvorov@f5.com if (nxt_fast_path(ret == NXT_DECLINED)) { 10131828Sa.suvorov@f5.com old = lhq.value; 10141828Sa.suvorov@f5.com if (old->bundle != item->bundle) { 10151828Sa.suvorov@f5.com nxt_log(task, NXT_LOG_WARN, "ignored duplicate name \"%V\" " 10161828Sa.suvorov@f5.com "in certificate \"%V\", identical name appears in \"%V\"", 10171885Sa.suvorov@f5.com &str, &old->bundle->name, &item->bundle->name); 10181828Sa.suvorov@f5.com 10191828Sa.suvorov@f5.com old->bundle = item->bundle; 10201828Sa.suvorov@f5.com } 10211828Sa.suvorov@f5.com 10221828Sa.suvorov@f5.com return NXT_OK; 10231828Sa.suvorov@f5.com } 10241828Sa.suvorov@f5.com 10251828Sa.suvorov@f5.com return NXT_ERROR; 10261828Sa.suvorov@f5.com } 10271828Sa.suvorov@f5.com 10281828Sa.suvorov@f5.com 10291828Sa.suvorov@f5.com static nxt_int_t 10301828Sa.suvorov@f5.com nxt_openssl_servername(SSL *s, int *ad, void *arg) 10311828Sa.suvorov@f5.com { 10321828Sa.suvorov@f5.com nxt_str_t str; 10331828Sa.suvorov@f5.com nxt_uint_t i; 10341828Sa.suvorov@f5.com nxt_conn_t *c; 10351828Sa.suvorov@f5.com const char *servername; 10361828Sa.suvorov@f5.com nxt_tls_conf_t *conf; 10371828Sa.suvorov@f5.com nxt_openssl_conn_t *tls; 10381828Sa.suvorov@f5.com nxt_tls_bundle_conf_t *bundle; 10391828Sa.suvorov@f5.com 10401828Sa.suvorov@f5.com c = SSL_get_ex_data(s, nxt_openssl_connection_index); 10411828Sa.suvorov@f5.com 10421828Sa.suvorov@f5.com if (nxt_slow_path(c == NULL)) { 10431828Sa.suvorov@f5.com nxt_thread_log_alert("SSL_get_ex_data() failed"); 10441828Sa.suvorov@f5.com return SSL_TLSEXT_ERR_ALERT_FATAL; 10451828Sa.suvorov@f5.com } 10461828Sa.suvorov@f5.com 10471828Sa.suvorov@f5.com servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name); 10481921Sa.suvorov@f5.com 10491921Sa.suvorov@f5.com if (servername == NULL) { 10501921Sa.suvorov@f5.com nxt_debug(c->socket.task, "SSL_get_servername(): NULL"); 10511921Sa.suvorov@f5.com goto done; 10521828Sa.suvorov@f5.com } 10531828Sa.suvorov@f5.com 10541828Sa.suvorov@f5.com str.length = nxt_strlen(servername); 10551828Sa.suvorov@f5.com if (str.length == 0) { 10561921Sa.suvorov@f5.com nxt_debug(c->socket.task, "SSL_get_servername(): \"\" is empty"); 10571828Sa.suvorov@f5.com goto done; 10581828Sa.suvorov@f5.com } 10591828Sa.suvorov@f5.com 10601828Sa.suvorov@f5.com if (servername[0] == '.') { 10611828Sa.suvorov@f5.com nxt_debug(c->socket.task, "ignored the server name \"%s\": " 10621828Sa.suvorov@f5.com "leading \".\"", servername); 10631828Sa.suvorov@f5.com goto done; 10641828Sa.suvorov@f5.com } 10651828Sa.suvorov@f5.com 10661828Sa.suvorov@f5.com nxt_debug(c->socket.task, "tls with servername \"%s\"", servername); 10671828Sa.suvorov@f5.com 10681828Sa.suvorov@f5.com str.start = nxt_mp_nget(c->mem_pool, str.length); 10691828Sa.suvorov@f5.com if (nxt_slow_path(str.start == NULL)) { 10701828Sa.suvorov@f5.com return SSL_TLSEXT_ERR_ALERT_FATAL; 10711828Sa.suvorov@f5.com } 10721828Sa.suvorov@f5.com 10731828Sa.suvorov@f5.com nxt_memcpy_lowcase(str.start, (const u_char *) servername, str.length); 10741828Sa.suvorov@f5.com 10751828Sa.suvorov@f5.com tls = c->u.tls; 10761828Sa.suvorov@f5.com conf = tls->conf; 10771828Sa.suvorov@f5.com 10781828Sa.suvorov@f5.com bundle = nxt_openssl_find_ctx(conf, &str); 10791828Sa.suvorov@f5.com 10801828Sa.suvorov@f5.com if (bundle == NULL) { 10811828Sa.suvorov@f5.com for (i = 1; i < str.length; i++) { 10821828Sa.suvorov@f5.com if (str.start[i] == '.') { 10831828Sa.suvorov@f5.com str.start += i; 10841828Sa.suvorov@f5.com str.length -= i; 10851828Sa.suvorov@f5.com 10861828Sa.suvorov@f5.com bundle = nxt_openssl_find_ctx(conf, &str); 10871828Sa.suvorov@f5.com break; 10881828Sa.suvorov@f5.com } 10891828Sa.suvorov@f5.com } 10901828Sa.suvorov@f5.com } 10911828Sa.suvorov@f5.com 10921828Sa.suvorov@f5.com if (bundle != NULL) { 10931828Sa.suvorov@f5.com nxt_debug(c->socket.task, "new tls context found for \"%V\": \"%V\" " 10941885Sa.suvorov@f5.com "(old: \"%V\")", &str, &bundle->name, 10951885Sa.suvorov@f5.com &conf->bundle->name); 10961828Sa.suvorov@f5.com 10971828Sa.suvorov@f5.com if (bundle != conf->bundle) { 10981828Sa.suvorov@f5.com if (SSL_set_SSL_CTX(s, bundle->ctx) == NULL) { 10991828Sa.suvorov@f5.com nxt_openssl_log_error(c->socket.task, NXT_LOG_ALERT, 11001828Sa.suvorov@f5.com "SSL_set_SSL_CTX() failed"); 11011828Sa.suvorov@f5.com 11021828Sa.suvorov@f5.com return SSL_TLSEXT_ERR_ALERT_FATAL; 11031828Sa.suvorov@f5.com } 11041828Sa.suvorov@f5.com } 11051828Sa.suvorov@f5.com } 11061828Sa.suvorov@f5.com 11071828Sa.suvorov@f5.com done: 11081828Sa.suvorov@f5.com 11091828Sa.suvorov@f5.com return SSL_TLSEXT_ERR_OK; 11101828Sa.suvorov@f5.com } 11111828Sa.suvorov@f5.com 11121828Sa.suvorov@f5.com 11131828Sa.suvorov@f5.com static nxt_tls_bundle_conf_t * 11141828Sa.suvorov@f5.com nxt_openssl_find_ctx(nxt_tls_conf_t *conf, nxt_str_t *sn) 11151828Sa.suvorov@f5.com { 11161828Sa.suvorov@f5.com nxt_int_t ret; 11171828Sa.suvorov@f5.com nxt_lvlhsh_query_t lhq; 11181828Sa.suvorov@f5.com nxt_tls_bundle_hash_item_t *item; 11191828Sa.suvorov@f5.com 11201828Sa.suvorov@f5.com lhq.key_hash = nxt_murmur_hash2(sn->start, sn->length); 11211828Sa.suvorov@f5.com lhq.key = *sn; 11221828Sa.suvorov@f5.com lhq.proto = &nxt_openssl_bundle_hash_proto; 11231828Sa.suvorov@f5.com 11241828Sa.suvorov@f5.com ret = nxt_lvlhsh_find(&conf->bundle_hash, &lhq); 11251828Sa.suvorov@f5.com if (ret != NXT_OK) { 11261828Sa.suvorov@f5.com return NULL; 11271828Sa.suvorov@f5.com } 11281828Sa.suvorov@f5.com 11291828Sa.suvorov@f5.com item = lhq.value; 11301828Sa.suvorov@f5.com 11311828Sa.suvorov@f5.com return item->bundle; 11321828Sa.suvorov@f5.com } 11331828Sa.suvorov@f5.com 11341828Sa.suvorov@f5.com 11350Sigor@sysoev.ru static void 1136771Sigor@sysoev.ru nxt_openssl_server_free(nxt_task_t *task, nxt_tls_conf_t *conf) 11370Sigor@sysoev.ru { 11381828Sa.suvorov@f5.com nxt_tls_bundle_conf_t *bundle; 11391828Sa.suvorov@f5.com 11401828Sa.suvorov@f5.com bundle = conf->bundle; 11411828Sa.suvorov@f5.com nxt_assert(bundle != NULL); 11421828Sa.suvorov@f5.com 11431828Sa.suvorov@f5.com do { 11441828Sa.suvorov@f5.com SSL_CTX_free(bundle->ctx); 11451828Sa.suvorov@f5.com bundle = bundle->next; 11461828Sa.suvorov@f5.com } while (bundle != NULL); 11471818Smax.romanov@nginx.com 11481942Sa.suvorov@f5.com if (conf->tickets) { 11491942Sa.suvorov@f5.com nxt_memzero(conf->tickets->tickets, 11501942Sa.suvorov@f5.com conf->tickets->count * sizeof(nxt_tls_ticket_t)); 11511942Sa.suvorov@f5.com } 11521942Sa.suvorov@f5.com 11531818Smax.romanov@nginx.com #if (OPENSSL_VERSION_NUMBER >= 0x1010100fL \ 11541818Smax.romanov@nginx.com && OPENSSL_VERSION_NUMBER < 0x1010101fL) 11551818Smax.romanov@nginx.com RAND_keep_random_devices_open(0); 11561818Smax.romanov@nginx.com #endif 1157771Sigor@sysoev.ru } 1158771Sigor@sysoev.ru 1159771Sigor@sysoev.ru 1160771Sigor@sysoev.ru static void 1161771Sigor@sysoev.ru nxt_openssl_conn_init(nxt_task_t *task, nxt_tls_conf_t *conf, nxt_conn_t *c) 1162771Sigor@sysoev.ru { 1163771Sigor@sysoev.ru int ret; 1164771Sigor@sysoev.ru SSL *s; 1165771Sigor@sysoev.ru SSL_CTX *ctx; 1166771Sigor@sysoev.ru nxt_openssl_conn_t *tls; 11670Sigor@sysoev.ru 11680Sigor@sysoev.ru nxt_log_debug(c->socket.log, "openssl conn init"); 11690Sigor@sysoev.ru 1170771Sigor@sysoev.ru tls = nxt_mp_zget(c->mem_pool, sizeof(nxt_openssl_conn_t)); 1171771Sigor@sysoev.ru if (tls == NULL) { 11720Sigor@sysoev.ru goto fail; 11730Sigor@sysoev.ru } 11740Sigor@sysoev.ru 1175771Sigor@sysoev.ru c->u.tls = tls; 1176771Sigor@sysoev.ru nxt_buf_mem_set_size(&tls->buffer, conf->buffer_size); 11770Sigor@sysoev.ru 11781828Sa.suvorov@f5.com ctx = conf->bundle->ctx; 11790Sigor@sysoev.ru 11800Sigor@sysoev.ru s = SSL_new(ctx); 11810Sigor@sysoev.ru if (s == NULL) { 1182771Sigor@sysoev.ru nxt_openssl_log_error(task, NXT_LOG_ALERT, "SSL_new() failed"); 11830Sigor@sysoev.ru goto fail; 11840Sigor@sysoev.ru } 11850Sigor@sysoev.ru 1186771Sigor@sysoev.ru tls->session = s; 11871828Sa.suvorov@f5.com /* To pass TLS config to the nxt_openssl_servername() callback. */ 11881828Sa.suvorov@f5.com tls->conf = conf; 1189771Sigor@sysoev.ru tls->conn = c; 11900Sigor@sysoev.ru 11910Sigor@sysoev.ru ret = SSL_set_fd(s, c->socket.fd); 11920Sigor@sysoev.ru 11930Sigor@sysoev.ru if (ret == 0) { 1194771Sigor@sysoev.ru nxt_openssl_log_error(task, NXT_LOG_ALERT, "SSL_set_fd(%d) failed", 1195771Sigor@sysoev.ru c->socket.fd); 11960Sigor@sysoev.ru goto fail; 11970Sigor@sysoev.ru } 11980Sigor@sysoev.ru 11990Sigor@sysoev.ru SSL_set_accept_state(s); 12000Sigor@sysoev.ru 12010Sigor@sysoev.ru if (SSL_set_ex_data(s, nxt_openssl_connection_index, c) == 0) { 1202771Sigor@sysoev.ru nxt_openssl_log_error(task, NXT_LOG_ALERT, "SSL_set_ex_data() failed"); 12030Sigor@sysoev.ru goto fail; 12040Sigor@sysoev.ru } 12050Sigor@sysoev.ru 120662Sigor@sysoev.ru c->io = &nxt_openssl_conn_io; 12070Sigor@sysoev.ru c->sendfile = NXT_CONN_SENDFILE_OFF; 12080Sigor@sysoev.ru 12091Sigor@sysoev.ru nxt_openssl_conn_handshake(task, c, c->socket.data); 12101884Sa.suvorov@f5.com 12110Sigor@sysoev.ru return; 12120Sigor@sysoev.ru 12130Sigor@sysoev.ru fail: 12140Sigor@sysoev.ru 121513Sigor@sysoev.ru nxt_work_queue_add(c->read_work_queue, c->read_state->error_handler, 121613Sigor@sysoev.ru task, c, c->socket.data); 12170Sigor@sysoev.ru } 12180Sigor@sysoev.ru 12190Sigor@sysoev.ru 1220771Sigor@sysoev.ru nxt_inline void 1221836Sigor@sysoev.ru nxt_openssl_conn_free(nxt_task_t *task, nxt_conn_t *c) 12220Sigor@sysoev.ru { 1223836Sigor@sysoev.ru nxt_openssl_conn_t *tls; 1224836Sigor@sysoev.ru 1225771Sigor@sysoev.ru nxt_debug(task, "openssl conn free"); 12260Sigor@sysoev.ru 1227836Sigor@sysoev.ru tls = c->u.tls; 12280Sigor@sysoev.ru 1229836Sigor@sysoev.ru if (tls != NULL) { 1230836Sigor@sysoev.ru c->u.tls = NULL; 1231836Sigor@sysoev.ru nxt_free(tls->buffer.start); 1232836Sigor@sysoev.ru SSL_free(tls->session); 1233836Sigor@sysoev.ru } 12340Sigor@sysoev.ru } 12350Sigor@sysoev.ru 12360Sigor@sysoev.ru 12370Sigor@sysoev.ru static void 12381Sigor@sysoev.ru nxt_openssl_conn_handshake(nxt_task_t *task, void *obj, void *data) 12390Sigor@sysoev.ru { 1240771Sigor@sysoev.ru int ret; 1241771Sigor@sysoev.ru nxt_int_t n; 1242771Sigor@sysoev.ru nxt_err_t err; 1243771Sigor@sysoev.ru nxt_conn_t *c; 1244771Sigor@sysoev.ru nxt_work_queue_t *wq; 1245771Sigor@sysoev.ru nxt_work_handler_t handler; 1246771Sigor@sysoev.ru nxt_openssl_conn_t *tls; 1247771Sigor@sysoev.ru const nxt_conn_state_t *state; 12480Sigor@sysoev.ru 12490Sigor@sysoev.ru c = obj; 1250836Sigor@sysoev.ru 1251836Sigor@sysoev.ru nxt_debug(task, "openssl conn handshake fd:%d", c->socket.fd); 1252836Sigor@sysoev.ru 1253836Sigor@sysoev.ru if (c->socket.error != 0) { 1254836Sigor@sysoev.ru return; 1255836Sigor@sysoev.ru } 1256836Sigor@sysoev.ru 1257771Sigor@sysoev.ru tls = c->u.tls; 12580Sigor@sysoev.ru 1259836Sigor@sysoev.ru if (tls == NULL) { 1260836Sigor@sysoev.ru return; 1261836Sigor@sysoev.ru } 1262836Sigor@sysoev.ru 1263836Sigor@sysoev.ru nxt_debug(task, "openssl conn handshake: %d times", tls->times); 12640Sigor@sysoev.ru 1265771Sigor@sysoev.ru /* "tls->times == 1" is suitable to run SSL_do_handshake() in job. */ 12660Sigor@sysoev.ru 1267771Sigor@sysoev.ru ret = SSL_do_handshake(tls->session); 12680Sigor@sysoev.ru 12690Sigor@sysoev.ru err = (ret <= 0) ? nxt_socket_errno : 0; 12700Sigor@sysoev.ru 12711Sigor@sysoev.ru nxt_thread_time_debug_update(task->thread); 12720Sigor@sysoev.ru 12731Sigor@sysoev.ru nxt_debug(task, "SSL_do_handshake(%d): %d err:%d", c->socket.fd, ret, err); 12740Sigor@sysoev.ru 1275771Sigor@sysoev.ru state = (c->read_state != NULL) ? c->read_state : c->write_state; 1276771Sigor@sysoev.ru 12770Sigor@sysoev.ru if (ret > 0) { 12780Sigor@sysoev.ru /* ret == 1, the handshake was successfully completed. */ 1279771Sigor@sysoev.ru tls->handshake = 1; 12800Sigor@sysoev.ru 1281771Sigor@sysoev.ru if (c->read_state != NULL) { 1282771Sigor@sysoev.ru if (state->io_read_handler != NULL || c->read != NULL) { 1283771Sigor@sysoev.ru nxt_conn_read(task->thread->engine, c); 12840Sigor@sysoev.ru return; 12850Sigor@sysoev.ru } 12860Sigor@sysoev.ru 1287771Sigor@sysoev.ru } else { 1288771Sigor@sysoev.ru if (c->write != NULL) { 1289771Sigor@sysoev.ru nxt_conn_write(task->thread->engine, c); 1290771Sigor@sysoev.ru return; 1291771Sigor@sysoev.ru } 1292771Sigor@sysoev.ru } 1293771Sigor@sysoev.ru 1294771Sigor@sysoev.ru handler = state->ready_handler; 1295771Sigor@sysoev.ru 1296771Sigor@sysoev.ru } else { 1297771Sigor@sysoev.ru c->socket.read_handler = nxt_openssl_conn_handshake; 1298771Sigor@sysoev.ru c->socket.write_handler = nxt_openssl_conn_handshake; 1299771Sigor@sysoev.ru 1300771Sigor@sysoev.ru n = nxt_openssl_conn_test_error(task, c, ret, err, 1301771Sigor@sysoev.ru NXT_OPENSSL_HANDSHAKE); 1302771Sigor@sysoev.ru switch (n) { 13030Sigor@sysoev.ru 1304771Sigor@sysoev.ru case NXT_AGAIN: 1305771Sigor@sysoev.ru if (tls->ssl_error == SSL_ERROR_WANT_READ && tls->times < 2) { 1306771Sigor@sysoev.ru tls->times++; 1307771Sigor@sysoev.ru } 1308771Sigor@sysoev.ru 1309771Sigor@sysoev.ru return; 1310771Sigor@sysoev.ru 1311771Sigor@sysoev.ru case 0: 1312771Sigor@sysoev.ru handler = state->close_handler; 1313771Sigor@sysoev.ru break; 1314771Sigor@sysoev.ru 1315771Sigor@sysoev.ru default: 1316771Sigor@sysoev.ru case NXT_ERROR: 1317771Sigor@sysoev.ru nxt_openssl_conn_error(task, err, "SSL_do_handshake(%d) failed", 1318771Sigor@sysoev.ru c->socket.fd); 1319771Sigor@sysoev.ru 1320771Sigor@sysoev.ru handler = state->error_handler; 1321771Sigor@sysoev.ru break; 13220Sigor@sysoev.ru } 13230Sigor@sysoev.ru } 13240Sigor@sysoev.ru 1325771Sigor@sysoev.ru wq = (c->read_state != NULL) ? c->read_work_queue : c->write_work_queue; 1326771Sigor@sysoev.ru 1327771Sigor@sysoev.ru nxt_work_queue_add(wq, handler, task, c, data); 13280Sigor@sysoev.ru } 13290Sigor@sysoev.ru 13300Sigor@sysoev.ru 13310Sigor@sysoev.ru static ssize_t 1332771Sigor@sysoev.ru nxt_openssl_conn_io_recvbuf(nxt_conn_t *c, nxt_buf_t *b) 13330Sigor@sysoev.ru { 1334771Sigor@sysoev.ru int ret; 1335771Sigor@sysoev.ru size_t size; 1336771Sigor@sysoev.ru nxt_int_t n; 1337771Sigor@sysoev.ru nxt_err_t err; 1338771Sigor@sysoev.ru nxt_openssl_conn_t *tls; 1339771Sigor@sysoev.ru 1340771Sigor@sysoev.ru tls = c->u.tls; 1341771Sigor@sysoev.ru size = b->mem.end - b->mem.free; 1342771Sigor@sysoev.ru 1343771Sigor@sysoev.ru ret = SSL_read(tls->session, b->mem.free, size); 1344771Sigor@sysoev.ru 1345771Sigor@sysoev.ru err = (ret <= 0) ? nxt_socket_errno : 0; 1346771Sigor@sysoev.ru 1347771Sigor@sysoev.ru nxt_debug(c->socket.task, "SSL_read(%d, %p, %uz): %d err:%d", 1348771Sigor@sysoev.ru c->socket.fd, b->mem.free, size, ret, err); 13490Sigor@sysoev.ru 1350771Sigor@sysoev.ru if (ret > 0) { 1351771Sigor@sysoev.ru return ret; 1352771Sigor@sysoev.ru } 13530Sigor@sysoev.ru 1354771Sigor@sysoev.ru n = nxt_openssl_conn_test_error(c->socket.task, c, ret, err, 1355771Sigor@sysoev.ru NXT_OPENSSL_READ); 1356771Sigor@sysoev.ru if (n == NXT_ERROR) { 1357771Sigor@sysoev.ru nxt_openssl_conn_error(c->socket.task, err, 1358771Sigor@sysoev.ru "SSL_read(%d, %p, %uz) failed", 1359771Sigor@sysoev.ru c->socket.fd, b->mem.free, size); 1360771Sigor@sysoev.ru } 13610Sigor@sysoev.ru 1362771Sigor@sysoev.ru return n; 13630Sigor@sysoev.ru } 13640Sigor@sysoev.ru 13650Sigor@sysoev.ru 13660Sigor@sysoev.ru static ssize_t 1367771Sigor@sysoev.ru nxt_openssl_conn_io_sendbuf(nxt_task_t *task, nxt_sendbuf_t *sb) 1368771Sigor@sysoev.ru { 1369771Sigor@sysoev.ru nxt_uint_t niov; 1370771Sigor@sysoev.ru struct iovec iov; 1371771Sigor@sysoev.ru 1372771Sigor@sysoev.ru niov = nxt_sendbuf_mem_coalesce0(task, sb, &iov, 1); 1373771Sigor@sysoev.ru 1374771Sigor@sysoev.ru if (niov == 0 && sb->sync) { 1375771Sigor@sysoev.ru return 0; 1376771Sigor@sysoev.ru } 1377771Sigor@sysoev.ru 1378771Sigor@sysoev.ru return nxt_openssl_conn_io_send(task, sb, iov.iov_base, iov.iov_len); 1379771Sigor@sysoev.ru } 1380771Sigor@sysoev.ru 1381771Sigor@sysoev.ru 1382771Sigor@sysoev.ru static ssize_t 1383771Sigor@sysoev.ru nxt_openssl_conn_io_send(nxt_task_t *task, nxt_sendbuf_t *sb, void *buf, 1384771Sigor@sysoev.ru size_t size) 13850Sigor@sysoev.ru { 13860Sigor@sysoev.ru int ret; 13870Sigor@sysoev.ru nxt_err_t err; 13880Sigor@sysoev.ru nxt_int_t n; 1389771Sigor@sysoev.ru nxt_conn_t *c; 1390771Sigor@sysoev.ru nxt_openssl_conn_t *tls; 13910Sigor@sysoev.ru 1392771Sigor@sysoev.ru tls = sb->tls; 13930Sigor@sysoev.ru 1394771Sigor@sysoev.ru ret = SSL_write(tls->session, buf, size); 13950Sigor@sysoev.ru 13961212Sigor@sysoev.ru err = (ret <= 0) ? nxt_socket_errno : 0; 13970Sigor@sysoev.ru 1398771Sigor@sysoev.ru nxt_debug(task, "SSL_write(%d, %p, %uz): %d err:%d", 1399771Sigor@sysoev.ru sb->socket, buf, size, ret, err); 14000Sigor@sysoev.ru 14010Sigor@sysoev.ru if (ret > 0) { 14020Sigor@sysoev.ru return ret; 14030Sigor@sysoev.ru } 14040Sigor@sysoev.ru 1405771Sigor@sysoev.ru c = tls->conn; 1406771Sigor@sysoev.ru c->socket.write_ready = sb->ready; 1407771Sigor@sysoev.ru 1408771Sigor@sysoev.ru n = nxt_openssl_conn_test_error(task, c, ret, err, NXT_OPENSSL_WRITE); 1409771Sigor@sysoev.ru 1410771Sigor@sysoev.ru sb->ready = c->socket.write_ready; 14110Sigor@sysoev.ru 14120Sigor@sysoev.ru if (n == NXT_ERROR) { 14131212Sigor@sysoev.ru sb->error = c->socket.error; 1414771Sigor@sysoev.ru nxt_openssl_conn_error(task, err, "SSL_write(%d, %p, %uz) failed", 1415771Sigor@sysoev.ru sb->socket, buf, size); 14160Sigor@sysoev.ru } 14170Sigor@sysoev.ru 14180Sigor@sysoev.ru return n; 14190Sigor@sysoev.ru } 14200Sigor@sysoev.ru 14210Sigor@sysoev.ru 14220Sigor@sysoev.ru static void 14231Sigor@sysoev.ru nxt_openssl_conn_io_shutdown(nxt_task_t *task, void *obj, void *data) 14240Sigor@sysoev.ru { 14250Sigor@sysoev.ru int ret, mode; 14260Sigor@sysoev.ru SSL *s; 14270Sigor@sysoev.ru nxt_err_t err; 14280Sigor@sysoev.ru nxt_int_t n; 14290Sigor@sysoev.ru nxt_bool_t quiet, once; 143062Sigor@sysoev.ru nxt_conn_t *c; 1431771Sigor@sysoev.ru nxt_openssl_conn_t *tls; 14320Sigor@sysoev.ru nxt_work_handler_t handler; 14330Sigor@sysoev.ru 14340Sigor@sysoev.ru c = obj; 14350Sigor@sysoev.ru 1436836Sigor@sysoev.ru nxt_debug(task, "openssl conn shutdown fd:%d", c->socket.fd); 1437836Sigor@sysoev.ru 1438771Sigor@sysoev.ru c->read_state = NULL; 1439771Sigor@sysoev.ru tls = c->u.tls; 1440836Sigor@sysoev.ru 1441836Sigor@sysoev.ru if (tls == NULL) { 1442836Sigor@sysoev.ru return; 1443836Sigor@sysoev.ru } 1444836Sigor@sysoev.ru 1445771Sigor@sysoev.ru s = tls->session; 14460Sigor@sysoev.ru 1447771Sigor@sysoev.ru if (s == NULL || !tls->handshake) { 1448771Sigor@sysoev.ru handler = c->write_state->ready_handler; 14490Sigor@sysoev.ru goto done; 14500Sigor@sysoev.ru } 14510Sigor@sysoev.ru 14520Sigor@sysoev.ru mode = SSL_get_shutdown(s); 14530Sigor@sysoev.ru 14540Sigor@sysoev.ru if (c->socket.timedout || c->socket.error != 0) { 14550Sigor@sysoev.ru quiet = 1; 14560Sigor@sysoev.ru 14570Sigor@sysoev.ru } else if (c->socket.closed && !(mode & SSL_RECEIVED_SHUTDOWN)) { 14580Sigor@sysoev.ru quiet = 1; 14590Sigor@sysoev.ru 14600Sigor@sysoev.ru } else { 14610Sigor@sysoev.ru quiet = 0; 14620Sigor@sysoev.ru } 14630Sigor@sysoev.ru 14640Sigor@sysoev.ru SSL_set_quiet_shutdown(s, quiet); 14650Sigor@sysoev.ru 14661884Sa.suvorov@f5.com if (tls->conf->no_wait_shutdown) { 14671884Sa.suvorov@f5.com mode |= SSL_RECEIVED_SHUTDOWN; 14681884Sa.suvorov@f5.com } 14691884Sa.suvorov@f5.com 14700Sigor@sysoev.ru once = 1; 14710Sigor@sysoev.ru 14720Sigor@sysoev.ru for ( ;; ) { 14730Sigor@sysoev.ru SSL_set_shutdown(s, mode); 14740Sigor@sysoev.ru 14750Sigor@sysoev.ru ret = SSL_shutdown(s); 14760Sigor@sysoev.ru 14770Sigor@sysoev.ru err = (ret <= 0) ? nxt_socket_errno : 0; 14780Sigor@sysoev.ru 14791Sigor@sysoev.ru nxt_debug(task, "SSL_shutdown(%d, %d, %b): %d err:%d", 14801Sigor@sysoev.ru c->socket.fd, mode, quiet, ret, err); 14810Sigor@sysoev.ru 14820Sigor@sysoev.ru if (ret > 0) { 14830Sigor@sysoev.ru /* ret == 1, the shutdown was successfully completed. */ 1484771Sigor@sysoev.ru handler = c->write_state->ready_handler; 14850Sigor@sysoev.ru goto done; 14860Sigor@sysoev.ru } 14870Sigor@sysoev.ru 14880Sigor@sysoev.ru if (ret == 0) { 14890Sigor@sysoev.ru /* 14900Sigor@sysoev.ru * If SSL_shutdown() returns 0 then it should be called 1491771Sigor@sysoev.ru * again. The second SSL_shutdown() call should return 14920Sigor@sysoev.ru * -1/SSL_ERROR_WANT_READ or -1/SSL_ERROR_WANT_WRITE. 14930Sigor@sysoev.ru * OpenSSL prior to 0.9.8m version however never returns 1494771Sigor@sysoev.ru * -1 at all. Fortunately, OpenSSL preserves internally 14950Sigor@sysoev.ru * correct status available via SSL_get_error(-1). 14960Sigor@sysoev.ru */ 14970Sigor@sysoev.ru if (once) { 1498771Sigor@sysoev.ru once = 0; 14990Sigor@sysoev.ru mode = SSL_get_shutdown(s); 15000Sigor@sysoev.ru continue; 15010Sigor@sysoev.ru } 15020Sigor@sysoev.ru 15030Sigor@sysoev.ru ret = -1; 15040Sigor@sysoev.ru } 15050Sigor@sysoev.ru 15060Sigor@sysoev.ru /* ret == -1 */ 15070Sigor@sysoev.ru 15080Sigor@sysoev.ru break; 15090Sigor@sysoev.ru } 15100Sigor@sysoev.ru 1511771Sigor@sysoev.ru c->socket.read_handler = nxt_openssl_conn_io_shutdown; 1512771Sigor@sysoev.ru c->socket.write_handler = nxt_openssl_conn_io_shutdown; 1513771Sigor@sysoev.ru c->socket.error_handler = c->write_state->error_handler; 1514771Sigor@sysoev.ru 1515771Sigor@sysoev.ru n = nxt_openssl_conn_test_error(task, c, ret, err, NXT_OPENSSL_SHUTDOWN); 1516771Sigor@sysoev.ru 1517771Sigor@sysoev.ru switch (n) { 15180Sigor@sysoev.ru 1519771Sigor@sysoev.ru case 0: 1520771Sigor@sysoev.ru handler = c->write_state->close_handler; 1521771Sigor@sysoev.ru break; 1522771Sigor@sysoev.ru 1523771Sigor@sysoev.ru case NXT_AGAIN: 15241884Sa.suvorov@f5.com c->write_timer.handler = nxt_openssl_conn_io_shutdown_timeout; 15251884Sa.suvorov@f5.com nxt_timer_add(task->thread->engine, &c->write_timer, 5000); 15260Sigor@sysoev.ru return; 1527771Sigor@sysoev.ru 1528771Sigor@sysoev.ru default: 1529771Sigor@sysoev.ru case NXT_ERROR: 1530771Sigor@sysoev.ru nxt_openssl_conn_error(task, err, "SSL_shutdown(%d) failed", 1531771Sigor@sysoev.ru c->socket.fd); 1532771Sigor@sysoev.ru handler = c->write_state->error_handler; 15330Sigor@sysoev.ru } 15340Sigor@sysoev.ru 1535771Sigor@sysoev.ru done: 15360Sigor@sysoev.ru 1537836Sigor@sysoev.ru nxt_openssl_conn_free(task, c); 15380Sigor@sysoev.ru 153913Sigor@sysoev.ru nxt_work_queue_add(c->write_work_queue, handler, task, c, data); 15400Sigor@sysoev.ru } 15410Sigor@sysoev.ru 15420Sigor@sysoev.ru 15430Sigor@sysoev.ru static nxt_int_t 154462Sigor@sysoev.ru nxt_openssl_conn_test_error(nxt_task_t *task, nxt_conn_t *c, int ret, 1545771Sigor@sysoev.ru nxt_err_t sys_err, nxt_openssl_io_t io) 15460Sigor@sysoev.ru { 15470Sigor@sysoev.ru u_long lib_err; 1548771Sigor@sysoev.ru nxt_openssl_conn_t *tls; 15490Sigor@sysoev.ru 1550771Sigor@sysoev.ru tls = c->u.tls; 15510Sigor@sysoev.ru 1552771Sigor@sysoev.ru tls->ssl_error = SSL_get_error(tls->session, ret); 15530Sigor@sysoev.ru 1554771Sigor@sysoev.ru nxt_debug(task, "SSL_get_error(): %d", tls->ssl_error); 15550Sigor@sysoev.ru 1556771Sigor@sysoev.ru switch (tls->ssl_error) { 15570Sigor@sysoev.ru 15580Sigor@sysoev.ru case SSL_ERROR_WANT_READ: 1559990Sigor@sysoev.ru c->socket.read_ready = 0; 1560771Sigor@sysoev.ru 1561771Sigor@sysoev.ru if (io != NXT_OPENSSL_READ) { 1562771Sigor@sysoev.ru nxt_fd_event_block_write(task->thread->engine, &c->socket); 15630Sigor@sysoev.ru 1564771Sigor@sysoev.ru if (nxt_fd_event_is_disabled(c->socket.read)) { 1565771Sigor@sysoev.ru nxt_fd_event_enable_read(task->thread->engine, &c->socket); 1566771Sigor@sysoev.ru } 15670Sigor@sysoev.ru } 15680Sigor@sysoev.ru 15690Sigor@sysoev.ru return NXT_AGAIN; 15700Sigor@sysoev.ru 15710Sigor@sysoev.ru case SSL_ERROR_WANT_WRITE: 1572990Sigor@sysoev.ru c->socket.write_ready = 0; 1573771Sigor@sysoev.ru 1574771Sigor@sysoev.ru if (io != NXT_OPENSSL_WRITE) { 1575771Sigor@sysoev.ru nxt_fd_event_block_read(task->thread->engine, &c->socket); 15760Sigor@sysoev.ru 1577771Sigor@sysoev.ru if (nxt_fd_event_is_disabled(c->socket.write)) { 1578771Sigor@sysoev.ru nxt_fd_event_enable_write(task->thread->engine, &c->socket); 1579771Sigor@sysoev.ru } 15800Sigor@sysoev.ru } 15810Sigor@sysoev.ru 15820Sigor@sysoev.ru return NXT_AGAIN; 15830Sigor@sysoev.ru 15840Sigor@sysoev.ru case SSL_ERROR_SYSCALL: 15850Sigor@sysoev.ru lib_err = ERR_peek_error(); 15860Sigor@sysoev.ru 15871Sigor@sysoev.ru nxt_debug(task, "ERR_peek_error(): %l", lib_err); 15880Sigor@sysoev.ru 15890Sigor@sysoev.ru if (sys_err != 0 || lib_err != 0) { 15901212Sigor@sysoev.ru c->socket.error = sys_err; 15910Sigor@sysoev.ru return NXT_ERROR; 15920Sigor@sysoev.ru } 15930Sigor@sysoev.ru 15940Sigor@sysoev.ru /* A connection was just closed. */ 15950Sigor@sysoev.ru c->socket.closed = 1; 1596771Sigor@sysoev.ru return 0; 15970Sigor@sysoev.ru 15980Sigor@sysoev.ru case SSL_ERROR_ZERO_RETURN: 15990Sigor@sysoev.ru /* A "close notify" alert. */ 16000Sigor@sysoev.ru return 0; 16010Sigor@sysoev.ru 16020Sigor@sysoev.ru default: /* SSL_ERROR_SSL, etc. */ 16030Sigor@sysoev.ru c->socket.error = 1000; /* Nonexistent errno code. */ 16040Sigor@sysoev.ru return NXT_ERROR; 16050Sigor@sysoev.ru } 16060Sigor@sysoev.ru } 16070Sigor@sysoev.ru 16080Sigor@sysoev.ru 16091884Sa.suvorov@f5.com static void 16101884Sa.suvorov@f5.com nxt_openssl_conn_io_shutdown_timeout(nxt_task_t *task, void *obj, void *data) 16111884Sa.suvorov@f5.com { 16121884Sa.suvorov@f5.com nxt_conn_t *c; 16131884Sa.suvorov@f5.com nxt_timer_t *timer; 16141884Sa.suvorov@f5.com 16151884Sa.suvorov@f5.com timer = obj; 16161884Sa.suvorov@f5.com 16171884Sa.suvorov@f5.com nxt_debug(task, "openssl conn shutdown timeout"); 16181884Sa.suvorov@f5.com 16191884Sa.suvorov@f5.com c = nxt_write_timer_conn(timer); 16201884Sa.suvorov@f5.com 16211884Sa.suvorov@f5.com c->socket.timedout = 1; 16221884Sa.suvorov@f5.com nxt_openssl_conn_io_shutdown(task, c, NULL); 16231884Sa.suvorov@f5.com } 16241884Sa.suvorov@f5.com 16251884Sa.suvorov@f5.com 16260Sigor@sysoev.ru static void nxt_cdecl 1627771Sigor@sysoev.ru nxt_openssl_conn_error(nxt_task_t *task, nxt_err_t err, const char *fmt, ...) 16280Sigor@sysoev.ru { 16290Sigor@sysoev.ru u_char *p, *end; 16300Sigor@sysoev.ru va_list args; 16310Sigor@sysoev.ru nxt_uint_t level; 16320Sigor@sysoev.ru u_char msg[NXT_MAX_ERROR_STR]; 16330Sigor@sysoev.ru 1634771Sigor@sysoev.ru level = nxt_openssl_log_error_level(err); 16350Sigor@sysoev.ru 1636771Sigor@sysoev.ru if (nxt_log_level_enough(task->log, level)) { 16370Sigor@sysoev.ru 16380Sigor@sysoev.ru end = msg + sizeof(msg); 16390Sigor@sysoev.ru 16400Sigor@sysoev.ru va_start(args, fmt); 16410Sigor@sysoev.ru p = nxt_vsprintf(msg, end, fmt, args); 16420Sigor@sysoev.ru va_end(args); 16430Sigor@sysoev.ru 16440Sigor@sysoev.ru if (err != 0) { 16450Sigor@sysoev.ru p = nxt_sprintf(p, end, " %E", err); 16460Sigor@sysoev.ru } 16470Sigor@sysoev.ru 16480Sigor@sysoev.ru p = nxt_openssl_copy_error(p, end); 16490Sigor@sysoev.ru 1650771Sigor@sysoev.ru nxt_log(task, level, "%*s", p - msg, msg); 16510Sigor@sysoev.ru 16520Sigor@sysoev.ru } else { 16530Sigor@sysoev.ru ERR_clear_error(); 16540Sigor@sysoev.ru } 16550Sigor@sysoev.ru } 16560Sigor@sysoev.ru 16570Sigor@sysoev.ru 16580Sigor@sysoev.ru static nxt_uint_t 1659771Sigor@sysoev.ru nxt_openssl_log_error_level(nxt_err_t err) 16600Sigor@sysoev.ru { 16610Sigor@sysoev.ru switch (ERR_GET_REASON(ERR_peek_error())) { 16620Sigor@sysoev.ru 16630Sigor@sysoev.ru case 0: 166413Sigor@sysoev.ru return nxt_socket_error_level(err); 16650Sigor@sysoev.ru 16660Sigor@sysoev.ru case SSL_R_BAD_CHANGE_CIPHER_SPEC: /* 103 */ 16670Sigor@sysoev.ru case SSL_R_BLOCK_CIPHER_PAD_IS_WRONG: /* 129 */ 16680Sigor@sysoev.ru case SSL_R_DIGEST_CHECK_FAILED: /* 149 */ 16690Sigor@sysoev.ru case SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST: /* 151 */ 16700Sigor@sysoev.ru case SSL_R_EXCESSIVE_MESSAGE_SIZE: /* 152 */ 16710Sigor@sysoev.ru case SSL_R_LENGTH_MISMATCH: /* 159 */ 1672771Sigor@sysoev.ru #ifdef SSL_R_NO_CIPHERS_PASSED 16730Sigor@sysoev.ru case SSL_R_NO_CIPHERS_PASSED: /* 182 */ 1674771Sigor@sysoev.ru #endif 16750Sigor@sysoev.ru case SSL_R_NO_CIPHERS_SPECIFIED: /* 183 */ 16760Sigor@sysoev.ru case SSL_R_NO_COMPRESSION_SPECIFIED: /* 187 */ 16770Sigor@sysoev.ru case SSL_R_NO_SHARED_CIPHER: /* 193 */ 16780Sigor@sysoev.ru case SSL_R_RECORD_LENGTH_MISMATCH: /* 213 */ 16790Sigor@sysoev.ru #ifdef SSL_R_PARSE_TLSEXT 16800Sigor@sysoev.ru case SSL_R_PARSE_TLSEXT: /* 227 */ 16810Sigor@sysoev.ru #endif 16820Sigor@sysoev.ru case SSL_R_UNEXPECTED_MESSAGE: /* 244 */ 16830Sigor@sysoev.ru case SSL_R_UNEXPECTED_RECORD: /* 245 */ 16840Sigor@sysoev.ru case SSL_R_UNKNOWN_ALERT_TYPE: /* 246 */ 16850Sigor@sysoev.ru case SSL_R_UNKNOWN_PROTOCOL: /* 252 */ 16860Sigor@sysoev.ru case SSL_R_WRONG_VERSION_NUMBER: /* 267 */ 16870Sigor@sysoev.ru case SSL_R_DECRYPTION_FAILED_OR_BAD_RECORD_MAC: /* 281 */ 16880Sigor@sysoev.ru #ifdef SSL_R_RENEGOTIATE_EXT_TOO_LONG 16890Sigor@sysoev.ru case SSL_R_RENEGOTIATE_EXT_TOO_LONG: /* 335 */ 16900Sigor@sysoev.ru case SSL_R_RENEGOTIATION_ENCODING_ERR: /* 336 */ 16910Sigor@sysoev.ru case SSL_R_RENEGOTIATION_MISMATCH: /* 337 */ 16920Sigor@sysoev.ru #endif 16930Sigor@sysoev.ru #ifdef SSL_R_UNSAFE_LEGACY_RENEGOTIATION_DISABLED 16940Sigor@sysoev.ru case SSL_R_UNSAFE_LEGACY_RENEGOTIATION_DISABLED: /* 338 */ 16950Sigor@sysoev.ru #endif 16960Sigor@sysoev.ru #ifdef SSL_R_SCSV_RECEIVED_WHEN_RENEGOTIATING 16970Sigor@sysoev.ru case SSL_R_SCSV_RECEIVED_WHEN_RENEGOTIATING: /* 345 */ 16980Sigor@sysoev.ru #endif 16990Sigor@sysoev.ru case 1000:/* SSL_R_SSLV3_ALERT_CLOSE_NOTIFY */ 17000Sigor@sysoev.ru case SSL_R_SSLV3_ALERT_UNEXPECTED_MESSAGE: /* 1010 */ 17010Sigor@sysoev.ru case SSL_R_SSLV3_ALERT_BAD_RECORD_MAC: /* 1020 */ 17020Sigor@sysoev.ru case SSL_R_TLSV1_ALERT_DECRYPTION_FAILED: /* 1021 */ 17030Sigor@sysoev.ru case SSL_R_TLSV1_ALERT_RECORD_OVERFLOW: /* 1022 */ 17040Sigor@sysoev.ru case SSL_R_SSLV3_ALERT_DECOMPRESSION_FAILURE: /* 1030 */ 17050Sigor@sysoev.ru case SSL_R_SSLV3_ALERT_HANDSHAKE_FAILURE: /* 1040 */ 17060Sigor@sysoev.ru case SSL_R_SSLV3_ALERT_ILLEGAL_PARAMETER: /* 1047 */ 17070Sigor@sysoev.ru break; 17080Sigor@sysoev.ru 17090Sigor@sysoev.ru case SSL_R_SSLV3_ALERT_NO_CERTIFICATE: /* 1041 */ 17100Sigor@sysoev.ru case SSL_R_SSLV3_ALERT_BAD_CERTIFICATE: /* 1042 */ 17110Sigor@sysoev.ru case SSL_R_SSLV3_ALERT_UNSUPPORTED_CERTIFICATE: /* 1043 */ 17120Sigor@sysoev.ru case SSL_R_SSLV3_ALERT_CERTIFICATE_REVOKED: /* 1044 */ 17130Sigor@sysoev.ru case SSL_R_SSLV3_ALERT_CERTIFICATE_EXPIRED: /* 1045 */ 17140Sigor@sysoev.ru case SSL_R_SSLV3_ALERT_CERTIFICATE_UNKNOWN: /* 1046 */ 17150Sigor@sysoev.ru case SSL_R_TLSV1_ALERT_UNKNOWN_CA: /* 1048 */ 17160Sigor@sysoev.ru case SSL_R_TLSV1_ALERT_ACCESS_DENIED: /* 1049 */ 17170Sigor@sysoev.ru case SSL_R_TLSV1_ALERT_DECODE_ERROR: /* 1050 */ 17180Sigor@sysoev.ru case SSL_R_TLSV1_ALERT_DECRYPT_ERROR: /* 1051 */ 17190Sigor@sysoev.ru case SSL_R_TLSV1_ALERT_EXPORT_RESTRICTION: /* 1060 */ 17200Sigor@sysoev.ru case SSL_R_TLSV1_ALERT_PROTOCOL_VERSION: /* 1070 */ 17210Sigor@sysoev.ru case SSL_R_TLSV1_ALERT_INSUFFICIENT_SECURITY: /* 1071 */ 17220Sigor@sysoev.ru case SSL_R_TLSV1_ALERT_INTERNAL_ERROR: /* 1080 */ 17230Sigor@sysoev.ru case SSL_R_TLSV1_ALERT_USER_CANCELLED: /* 1090 */ 17240Sigor@sysoev.ru case SSL_R_TLSV1_ALERT_NO_RENEGOTIATION: /* 1100 */ 17250Sigor@sysoev.ru return NXT_LOG_ERR; 17260Sigor@sysoev.ru 17270Sigor@sysoev.ru default: 1728564Svbart@nginx.com return NXT_LOG_ALERT; 17290Sigor@sysoev.ru } 17300Sigor@sysoev.ru 17310Sigor@sysoev.ru return NXT_LOG_INFO; 17320Sigor@sysoev.ru } 17330Sigor@sysoev.ru 17340Sigor@sysoev.ru 1735771Sigor@sysoev.ru void nxt_cdecl 1736771Sigor@sysoev.ru nxt_openssl_log_error(nxt_task_t *task, nxt_uint_t level, const char *fmt, ...) 17370Sigor@sysoev.ru { 17380Sigor@sysoev.ru u_char *p, *end; 17390Sigor@sysoev.ru va_list args; 17400Sigor@sysoev.ru u_char msg[NXT_MAX_ERROR_STR]; 17410Sigor@sysoev.ru 17420Sigor@sysoev.ru end = msg + sizeof(msg); 17430Sigor@sysoev.ru 17440Sigor@sysoev.ru va_start(args, fmt); 17450Sigor@sysoev.ru p = nxt_vsprintf(msg, end, fmt, args); 17460Sigor@sysoev.ru va_end(args); 17470Sigor@sysoev.ru 17480Sigor@sysoev.ru p = nxt_openssl_copy_error(p, end); 17490Sigor@sysoev.ru 1750771Sigor@sysoev.ru nxt_log(task, level, "%*s", p - msg, msg); 17510Sigor@sysoev.ru } 17520Sigor@sysoev.ru 17530Sigor@sysoev.ru 1754771Sigor@sysoev.ru u_char * 17550Sigor@sysoev.ru nxt_openssl_copy_error(u_char *p, u_char *end) 17560Sigor@sysoev.ru { 17570Sigor@sysoev.ru int flags; 17580Sigor@sysoev.ru u_long err; 17590Sigor@sysoev.ru nxt_bool_t clear; 17600Sigor@sysoev.ru const char *data, *delimiter; 17610Sigor@sysoev.ru 17620Sigor@sysoev.ru err = ERR_peek_error(); 17630Sigor@sysoev.ru if (err == 0) { 17640Sigor@sysoev.ru return p; 17650Sigor@sysoev.ru } 17660Sigor@sysoev.ru 17670Sigor@sysoev.ru /* Log the most relevant error message ... */ 17680Sigor@sysoev.ru data = ERR_reason_error_string(err); 17690Sigor@sysoev.ru 17700Sigor@sysoev.ru p = nxt_sprintf(p, end, " (%d: %s) (OpenSSL: ", ERR_GET_REASON(err), data); 17710Sigor@sysoev.ru 17720Sigor@sysoev.ru /* 1773771Sigor@sysoev.ru * ... followed by all queued cumbersome OpenSSL error messages 1774771Sigor@sysoev.ru * and drain the error queue. 17750Sigor@sysoev.ru */ 17760Sigor@sysoev.ru delimiter = ""; 17770Sigor@sysoev.ru clear = 0; 17780Sigor@sysoev.ru 17790Sigor@sysoev.ru for ( ;; ) { 17800Sigor@sysoev.ru err = ERR_get_error_line_data(NULL, NULL, &data, &flags); 17810Sigor@sysoev.ru if (err == 0) { 17820Sigor@sysoev.ru break; 17830Sigor@sysoev.ru } 17840Sigor@sysoev.ru 17850Sigor@sysoev.ru p = nxt_sprintf(p, end, "%s", delimiter); 17860Sigor@sysoev.ru 17870Sigor@sysoev.ru ERR_error_string_n(err, (char *) p, end - p); 17880Sigor@sysoev.ru 17890Sigor@sysoev.ru while (p < end && *p != '\0') { 17900Sigor@sysoev.ru p++; 17910Sigor@sysoev.ru } 17920Sigor@sysoev.ru 17930Sigor@sysoev.ru if ((flags & ERR_TXT_STRING) != 0) { 17940Sigor@sysoev.ru p = nxt_sprintf(p, end, ":%s", data); 17950Sigor@sysoev.ru } 17960Sigor@sysoev.ru 17970Sigor@sysoev.ru clear |= ((flags & ERR_TXT_MALLOCED) != 0); 17980Sigor@sysoev.ru 17990Sigor@sysoev.ru delimiter = "; "; 18000Sigor@sysoev.ru } 18010Sigor@sysoev.ru 18020Sigor@sysoev.ru /* Deallocate additional data. */ 18030Sigor@sysoev.ru 18040Sigor@sysoev.ru if (clear) { 18050Sigor@sysoev.ru ERR_clear_error(); 18060Sigor@sysoev.ru } 18070Sigor@sysoev.ru 18080Sigor@sysoev.ru if (p < end) { 18090Sigor@sysoev.ru *p++ = ')'; 18100Sigor@sysoev.ru } 18110Sigor@sysoev.ru 18120Sigor@sysoev.ru return p; 18130Sigor@sysoev.ru } 1814