One Level Up
Top Level
src/event/ngx_event_openssl.c - nginx-1.7.10
Global variables defined
Data types defined
Functions defined
Macros defined
Source code
- #include <ngx_config.h>
- #include <ngx_core.h>
- #include <ngx_event.h>
- #define NGX_SSL_PASSWORD_BUFFER_SIZE 4096
- typedef struct {
- ngx_uint_t engine;
- } ngx_openssl_conf_t;
- static int ngx_ssl_password_callback(char *buf, int size, int rwflag,
- void *userdata);
- static int ngx_ssl_verify_callback(int ok, X509_STORE_CTX *x509_store);
- static void ngx_ssl_info_callback(const ngx_ssl_conn_t *ssl_conn, int where,
- int ret);
- static void ngx_ssl_passwords_cleanup(void *data);
- static void ngx_ssl_handshake_handler(ngx_event_t *ev);
- static ngx_int_t ngx_ssl_handle_recv(ngx_connection_t *c, int n);
- static void ngx_ssl_write_handler(ngx_event_t *wev);
- static void ngx_ssl_read_handler(ngx_event_t *rev);
- static void ngx_ssl_shutdown_handler(ngx_event_t *ev);
- static void ngx_ssl_connection_error(ngx_connection_t *c, int sslerr,
- ngx_err_t err, char *text);
- static void ngx_ssl_clear_error(ngx_log_t *log);
- static ngx_int_t ngx_ssl_session_id_context(ngx_ssl_t *ssl,
- ngx_str_t *sess_ctx);
- ngx_int_t ngx_ssl_session_cache_init(ngx_shm_zone_t *shm_zone, void *data);
- static int ngx_ssl_new_session(ngx_ssl_conn_t *ssl_conn,
- ngx_ssl_session_t *sess);
- static ngx_ssl_session_t *ngx_ssl_get_cached_session(ngx_ssl_conn_t *ssl_conn,
- u_char *id, int len, int *copy);
- static void ngx_ssl_remove_session(SSL_CTX *ssl, ngx_ssl_session_t *sess);
- static void ngx_ssl_expire_sessions(ngx_ssl_session_cache_t *cache,
- ngx_slab_pool_t *shpool, ngx_uint_t n);
- static void ngx_ssl_session_rbtree_insert_value(ngx_rbtree_node_t *temp,
- ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel);
- #ifdef SSL_CTRL_SET_TLSEXT_TICKET_KEY_CB
- static int ngx_ssl_session_ticket_key_callback(ngx_ssl_conn_t *ssl_conn,
- unsigned char *name, unsigned char *iv, EVP_CIPHER_CTX *ectx,
- HMAC_CTX *hctx, int enc);
- #endif
- #if (OPENSSL_VERSION_NUMBER < 0x10002002L || defined LIBRESSL_VERSION_NUMBER)
- static ngx_int_t ngx_ssl_check_name(ngx_str_t *name, ASN1_STRING *str);
- #endif
- static void *ngx_openssl_create_conf(ngx_cycle_t *cycle);
- static char *ngx_openssl_engine(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
- static void ngx_openssl_exit(ngx_cycle_t *cycle);
- static ngx_command_t ngx_openssl_commands[] = {
- { ngx_string("ssl_engine"),
- NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
- ngx_openssl_engine,
- 0,
- 0,
- NULL },
- ngx_null_command
- };
- static ngx_core_module_t ngx_openssl_module_ctx = {
- ngx_string("openssl"),
- ngx_openssl_create_conf,
- NULL
- };
- ngx_module_t ngx_openssl_module = {
- NGX_MODULE_V1,
- &ngx_openssl_module_ctx,
- ngx_openssl_commands,
- NGX_CORE_MODULE,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- ngx_openssl_exit,
- NGX_MODULE_V1_PADDING
- };
- int ngx_ssl_connection_index;
- int ngx_ssl_server_conf_index;
- int ngx_ssl_session_cache_index;
- int ngx_ssl_session_ticket_keys_index;
- int ngx_ssl_certificate_index;
- int ngx_ssl_stapling_index;
- ngx_int_t
- ngx_ssl_init(ngx_log_t *log)
- {
- #ifndef OPENSSL_IS_BORINGSSL
- OPENSSL_config(NULL);
- #endif
- SSL_library_init();
- SSL_load_error_strings();
- OpenSSL_add_all_algorithms();
- #if OPENSSL_VERSION_NUMBER >= 0x0090800fL
- #ifndef SSL_OP_NO_COMPRESSION
- {
-
- int n;
- STACK_OF(SSL_COMP) *ssl_comp_methods;
- ssl_comp_methods = SSL_COMP_get_compression_methods();
- n = sk_SSL_COMP_num(ssl_comp_methods);
- while (n--) {
- (void) sk_SSL_COMP_pop(ssl_comp_methods);
- }
- }
- #endif
- #endif
- ngx_ssl_connection_index = SSL_get_ex_new_index(0, NULL, NULL, NULL, NULL);
- if (ngx_ssl_connection_index == -1) {
- ngx_ssl_error(NGX_LOG_ALERT, log, 0, "SSL_get_ex_new_index() failed");
- return NGX_ERROR;
- }
- ngx_ssl_server_conf_index = SSL_CTX_get_ex_new_index(0, NULL, NULL, NULL,
- NULL);
- if (ngx_ssl_server_conf_index == -1) {
- ngx_ssl_error(NGX_LOG_ALERT, log, 0,
- "SSL_CTX_get_ex_new_index() failed");
- return NGX_ERROR;
- }
- ngx_ssl_session_cache_index = SSL_CTX_get_ex_new_index(0, NULL, NULL, NULL,
- NULL);
- if (ngx_ssl_session_cache_index == -1) {
- ngx_ssl_error(NGX_LOG_ALERT, log, 0,
- "SSL_CTX_get_ex_new_index() failed");
- return NGX_ERROR;
- }
- ngx_ssl_session_ticket_keys_index = SSL_CTX_get_ex_new_index(0, NULL, NULL,
- NULL, NULL);
- if (ngx_ssl_session_ticket_keys_index == -1) {
- ngx_ssl_error(NGX_LOG_ALERT, log, 0,
- "SSL_CTX_get_ex_new_index() failed");
- return NGX_ERROR;
- }
- ngx_ssl_certificate_index = SSL_CTX_get_ex_new_index(0, NULL, NULL, NULL,
- NULL);
- if (ngx_ssl_certificate_index == -1) {
- ngx_ssl_error(NGX_LOG_ALERT, log, 0,
- "SSL_CTX_get_ex_new_index() failed");
- return NGX_ERROR;
- }
- ngx_ssl_stapling_index = SSL_CTX_get_ex_new_index(0, NULL, NULL, NULL,
- NULL);
- if (ngx_ssl_stapling_index == -1) {
- ngx_ssl_error(NGX_LOG_ALERT, log, 0,
- "SSL_CTX_get_ex_new_index() failed");
- return NGX_ERROR;
- }
- return NGX_OK;
- }
- ngx_int_t
- ngx_ssl_create(ngx_ssl_t *ssl, ngx_uint_t protocols, void *data)
- {
- ssl->ctx = SSL_CTX_new(SSLv23_method());
- if (ssl->ctx == NULL) {
- ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0, "SSL_CTX_new() failed");
- return NGX_ERROR;
- }
- if (SSL_CTX_set_ex_data(ssl->ctx, ngx_ssl_server_conf_index, data) == 0) {
- ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
- "SSL_CTX_set_ex_data() failed");
- return NGX_ERROR;
- }
- ssl->buffer_size = NGX_SSL_BUFSIZE;
-
- #ifdef SSL_OP_MICROSOFT_SESS_ID_BUG
- SSL_CTX_set_options(ssl->ctx, SSL_OP_MICROSOFT_SESS_ID_BUG);
- #endif
- #ifdef SSL_OP_NETSCAPE_CHALLENGE_BUG
- SSL_CTX_set_options(ssl->ctx, SSL_OP_NETSCAPE_CHALLENGE_BUG);
- #endif
-
- #ifdef SSL_OP_SSLREF2_REUSE_CERT_TYPE_BUG
- SSL_CTX_set_options(ssl->ctx, SSL_OP_SSLREF2_REUSE_CERT_TYPE_BUG);
- #endif
- #ifdef SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER
- SSL_CTX_set_options(ssl->ctx, SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER);
- #endif
- #ifdef SSL_OP_MSIE_SSLV2_RSA_PADDING
-
- SSL_CTX_set_options(ssl->ctx, SSL_OP_MSIE_SSLV2_RSA_PADDING);
- #endif
- #ifdef SSL_OP_SSLEAY_080_CLIENT_DH_BUG
- SSL_CTX_set_options(ssl->ctx, SSL_OP_SSLEAY_080_CLIENT_DH_BUG);
- #endif
- #ifdef SSL_OP_TLS_D5_BUG
- SSL_CTX_set_options(ssl->ctx, SSL_OP_TLS_D5_BUG);
- #endif
- #ifdef SSL_OP_TLS_BLOCK_PADDING_BUG
- SSL_CTX_set_options(ssl->ctx, SSL_OP_TLS_BLOCK_PADDING_BUG);
- #endif
- #ifdef SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS
- SSL_CTX_set_options(ssl->ctx, SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS);
- #endif
- SSL_CTX_set_options(ssl->ctx, SSL_OP_SINGLE_DH_USE);
- if (!(protocols & NGX_SSL_SSLv2)) {
- SSL_CTX_set_options(ssl->ctx, SSL_OP_NO_SSLv2);
- }
- if (!(protocols & NGX_SSL_SSLv3)) {
- SSL_CTX_set_options(ssl->ctx, SSL_OP_NO_SSLv3);
- }
- if (!(protocols & NGX_SSL_TLSv1)) {
- SSL_CTX_set_options(ssl->ctx, SSL_OP_NO_TLSv1);
- }
- #ifdef SSL_OP_NO_TLSv1_1
- if (!(protocols & NGX_SSL_TLSv1_1)) {
- SSL_CTX_set_options(ssl->ctx, SSL_OP_NO_TLSv1_1);
- }
- #endif
- #ifdef SSL_OP_NO_TLSv1_2
- if (!(protocols & NGX_SSL_TLSv1_2)) {
- SSL_CTX_set_options(ssl->ctx, SSL_OP_NO_TLSv1_2);
- }
- #endif
- #ifdef SSL_OP_NO_COMPRESSION
- SSL_CTX_set_options(ssl->ctx, SSL_OP_NO_COMPRESSION);
- #endif
- #ifdef SSL_MODE_RELEASE_BUFFERS
- SSL_CTX_set_mode(ssl->ctx, SSL_MODE_RELEASE_BUFFERS);
- #endif
- SSL_CTX_set_read_ahead(ssl->ctx, 1);
- SSL_CTX_set_info_callback(ssl->ctx, ngx_ssl_info_callback);
- return NGX_OK;
- }
- ngx_int_t
- ngx_ssl_certificate(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_str_t *cert,
- ngx_str_t *key, ngx_array_t *passwords)
- {
- BIO *bio;
- X509 *x509;
- u_long n;
- ngx_str_t *pwd;
- ngx_uint_t tries;
- if (ngx_conf_full_name(cf->cycle, cert, 1) != NGX_OK) {
- return NGX_ERROR;
- }
-
- bio = BIO_new_file((char *) cert->data, "r");
- if (bio == NULL) {
- ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
- "BIO_new_file(\"%s\") failed", cert->data);
- return NGX_ERROR;
- }
- x509 = PEM_read_bio_X509_AUX(bio, NULL, NULL, NULL);
- if (x509 == NULL) {
- ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
- "PEM_read_bio_X509_AUX(\"%s\") failed", cert->data);
- BIO_free(bio);
- return NGX_ERROR;
- }
- if (SSL_CTX_use_certificate(ssl->ctx, x509) == 0) {
- ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
- "SSL_CTX_use_certificate(\"%s\") failed", cert->data);
- X509_free(x509);
- BIO_free(bio);
- return NGX_ERROR;
- }
- if (SSL_CTX_set_ex_data(ssl->ctx, ngx_ssl_certificate_index, x509)
- == 0)
- {
- ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
- "SSL_CTX_set_ex_data() failed");
- X509_free(x509);
- BIO_free(bio);
- return NGX_ERROR;
- }
- X509_free(x509);
-
- for ( ;; ) {
- x509 = PEM_read_bio_X509(bio, NULL, NULL, NULL);
- if (x509 == NULL) {
- n = ERR_peek_last_error();
- if (ERR_GET_LIB(n) == ERR_LIB_PEM
- && ERR_GET_REASON(n) == PEM_R_NO_START_LINE)
- {
-
- ERR_clear_error();
- break;
- }
-
- ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
- "PEM_read_bio_X509(\"%s\") failed", cert->data);
- BIO_free(bio);
- return NGX_ERROR;
- }
- if (SSL_CTX_add_extra_chain_cert(ssl->ctx, x509) == 0) {
- ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
- "SSL_CTX_add_extra_chain_cert(\"%s\") failed",
- cert->data);
- X509_free(x509);
- BIO_free(bio);
- return NGX_ERROR;
- }
- }
- BIO_free(bio);
- if (ngx_strncmp(key->data, "engine:", sizeof("engine:") - 1) == 0) {
- #ifndef OPENSSL_NO_ENGINE
- u_char *p, *last;
- ENGINE *engine;
- EVP_PKEY *pkey;
- p = key->data + sizeof("engine:") - 1;
- last = (u_char *) ngx_strchr(p, ':');
- if (last == NULL) {
- ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
- "invalid syntax in \"%V\"", key);
- return NGX_ERROR;
- }
- *last = '\0';
- engine = ENGINE_by_id((char *) p);
- if (engine == NULL) {
- ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
- "ENGINE_by_id(\"%s\") failed", p);
- return NGX_ERROR;
- }
- *last++ = ':';
- pkey = ENGINE_load_private_key(engine, (char *) last, 0, 0);
- if (pkey == NULL) {
- ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
- "ENGINE_load_private_key(\"%s\") failed", last);
- ENGINE_free(engine);
- return NGX_ERROR;
- }
- ENGINE_free(engine);
- if (SSL_CTX_use_PrivateKey(ssl->ctx, pkey) == 0) {
- ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
- "SSL_CTX_use_PrivateKey(\"%s\") failed", last);
- EVP_PKEY_free(pkey);
- return NGX_ERROR;
- }
- EVP_PKEY_free(pkey);
- return NGX_OK;
- #else
- ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
- "loading \"engine:...\" certificate keys "
- "is not supported");
- return NGX_ERROR;
- #endif
- }
- if (ngx_conf_full_name(cf->cycle, key, 1) != NGX_OK) {
- return NGX_ERROR;
- }
- if (passwords) {
- tries = passwords->nelts;
- pwd = passwords->elts;
- SSL_CTX_set_default_passwd_cb(ssl->ctx, ngx_ssl_password_callback);
- SSL_CTX_set_default_passwd_cb_userdata(ssl->ctx, pwd);
- } else {
- tries = 1;
- #if (NGX_SUPPRESS_WARN)
- pwd = NULL;
- #endif
- }
- for ( ;; ) {
- if (SSL_CTX_use_PrivateKey_file(ssl->ctx, (char *) key->data,
- SSL_FILETYPE_PEM)
- != 0)
- {
- break;
- }
- if (--tries) {
- ERR_clear_error();
- SSL_CTX_set_default_passwd_cb_userdata(ssl->ctx, ++pwd);
- continue;
- }
- ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
- "SSL_CTX_use_PrivateKey_file(\"%s\") failed", key->data);
- return NGX_ERROR;
- }
- SSL_CTX_set_default_passwd_cb(ssl->ctx, NULL);
- return NGX_OK;
- }
- static int
- ngx_ssl_password_callback(char *buf, int size, int rwflag, void *userdata)
- {
- ngx_str_t *pwd = userdata;
- if (rwflag) {
- ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0,
- "ngx_ssl_password_callback() is called for encryption");
- return 0;
- }
- if (pwd->len > (size_t) size) {
- ngx_log_error(NGX_LOG_ERR, ngx_cycle->log, 0,
- "password is truncated to %d bytes", size);
- } else {
- size = pwd->len;
- }
- ngx_memcpy(buf, pwd->data, size);
- return size;
- }
- ngx_int_t
- ngx_ssl_client_certificate(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_str_t *cert,
- ngx_int_t depth)
- {
- STACK_OF(X509_NAME) *list;
- SSL_CTX_set_verify(ssl->ctx, SSL_VERIFY_PEER, ngx_ssl_verify_callback);
- SSL_CTX_set_verify_depth(ssl->ctx, depth);
- if (cert->len == 0) {
- return NGX_OK;
- }
- if (ngx_conf_full_name(cf->cycle, cert, 1) != NGX_OK) {
- return NGX_ERROR;
- }
- if (SSL_CTX_load_verify_locations(ssl->ctx, (char *) cert->data, NULL)
- == 0)
- {
- ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
- "SSL_CTX_load_verify_locations(\"%s\") failed",
- cert->data);
- return NGX_ERROR;
- }
-
- ERR_clear_error();
- list = SSL_load_client_CA_file((char *) cert->data);
- if (list == NULL) {
- ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
- "SSL_load_client_CA_file(\"%s\") failed", cert->data);
- return NGX_ERROR;
- }
-
- ERR_clear_error();
- SSL_CTX_set_client_CA_list(ssl->ctx, list);
- return NGX_OK;
- }
- ngx_int_t
- ngx_ssl_trusted_certificate(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_str_t *cert,
- ngx_int_t depth)
- {
- SSL_CTX_set_verify_depth(ssl->ctx, depth);
- if (cert->len == 0) {
- return NGX_OK;
- }
- if (ngx_conf_full_name(cf->cycle, cert, 1) != NGX_OK) {
- return NGX_ERROR;
- }
- if (SSL_CTX_load_verify_locations(ssl->ctx, (char *) cert->data, NULL)
- == 0)
- {
- ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
- "SSL_CTX_load_verify_locations(\"%s\") failed",
- cert->data);
- return NGX_ERROR;
- }
-
- ERR_clear_error();
- return NGX_OK;
- }
- ngx_int_t
- ngx_ssl_crl(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_str_t *crl)
- {
- X509_STORE *store;
- X509_LOOKUP *lookup;
- if (crl->len == 0) {
- return NGX_OK;
- }
- if (ngx_conf_full_name(cf->cycle, crl, 1) != NGX_OK) {
- return NGX_ERROR;
- }
- store = SSL_CTX_get_cert_store(ssl->ctx);
- if (store == NULL) {
- ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
- "SSL_CTX_get_cert_store() failed");
- return NGX_ERROR;
- }
- lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file());
- if (lookup == NULL) {
- ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
- "X509_STORE_add_lookup() failed");
- return NGX_ERROR;
- }
- if (X509_LOOKUP_load_file(lookup, (char *) crl->data, X509_FILETYPE_PEM)
- == 0)
- {
- ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
- "X509_LOOKUP_load_file(\"%s\") failed", crl->data);
- return NGX_ERROR;
- }
- X509_STORE_set_flags(store,
- X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL);
- return NGX_OK;
- }
- static int
- ngx_ssl_verify_callback(int ok, X509_STORE_CTX *x509_store)
- {
- #if (NGX_DEBUG)
- char *subject, *issuer;
- int err, depth;
- X509 *cert;
- X509_NAME *sname, *iname;
- ngx_connection_t *c;
- ngx_ssl_conn_t *ssl_conn;
- ssl_conn = X509_STORE_CTX_get_ex_data(x509_store,
- SSL_get_ex_data_X509_STORE_CTX_idx());
- c = ngx_ssl_get_connection(ssl_conn);
- cert = X509_STORE_CTX_get_current_cert(x509_store);
- err = X509_STORE_CTX_get_error(x509_store);
- depth = X509_STORE_CTX_get_error_depth(x509_store);
- sname = X509_get_subject_name(cert);
- subject = sname ? X509_NAME_oneline(sname, NULL, 0) : "(none)";
- iname = X509_get_issuer_name(cert);
- issuer = iname ? X509_NAME_oneline(iname, NULL, 0) : "(none)";
- ngx_log_debug5(NGX_LOG_DEBUG_EVENT, c->log, 0,
- "verify:%d, error:%d, depth:%d, "
- "subject:\"%s\", issuer:\"%s\"",
- ok, err, depth, subject, issuer);
- if (sname) {
- OPENSSL_free(subject);
- }
- if (iname) {
- OPENSSL_free(issuer);
- }
- #endif
- return 1;
- }
- static void
- ngx_ssl_info_callback(const ngx_ssl_conn_t *ssl_conn, int where, int ret)
- {
- BIO *rbio, *wbio;
- ngx_connection_t *c;
- if (where & SSL_CB_HANDSHAKE_START) {
- c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn);
- if (c->ssl->handshaked) {
- c->ssl->renegotiation = 1;
- ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL renegotiation");
- }
- }
- if ((where & SSL_CB_ACCEPT_LOOP) == SSL_CB_ACCEPT_LOOP) {
- c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn);
- if (!c->ssl->handshake_buffer_set) {
-
- rbio = SSL_get_rbio((ngx_ssl_conn_t *) ssl_conn);
- wbio = SSL_get_wbio((ngx_ssl_conn_t *) ssl_conn);
- if (rbio != wbio) {
- (void) BIO_set_write_buffer_size(wbio, NGX_SSL_BUFSIZE);
- c->ssl->handshake_buffer_set = 1;
- }
- }
- }
- }
- RSA *
- ngx_ssl_rsa512_key_callback(ngx_ssl_conn_t *ssl_conn, int is_export,
- int key_length)
- {
- static RSA *key;
- if (key_length != 512) {
- return NULL;
- }
- #ifndef OPENSSL_NO_DEPRECATED
- if (key == NULL) {
- key = RSA_generate_key(512, RSA_F4, NULL, NULL);
- }
- #endif
- return key;
- }
- ngx_array_t *
- ngx_ssl_read_password_file(ngx_conf_t *cf, ngx_str_t *file)
- {
- u_char *p, *last, *end;
- size_t len;
- ssize_t n;
- ngx_fd_t fd;
- ngx_str_t *pwd;
- ngx_array_t *passwords;
- ngx_pool_cleanup_t *cln;
- u_char buf[NGX_SSL_PASSWORD_BUFFER_SIZE];
- if (ngx_conf_full_name(cf->cycle, file, 1) != NGX_OK) {
- return NULL;
- }
- cln = ngx_pool_cleanup_add(cf->temp_pool, 0);
- passwords = ngx_array_create(cf->temp_pool, 4, sizeof(ngx_str_t));
- if (cln == NULL || passwords == NULL) {
- return NULL;
- }
- cln->handler = ngx_ssl_passwords_cleanup;
- cln->data = passwords;
- fd = ngx_open_file(file->data, NGX_FILE_RDONLY, NGX_FILE_OPEN, 0);
- if (fd == NGX_INVALID_FILE) {
- ngx_conf_log_error(NGX_LOG_EMERG, cf, ngx_errno,
- ngx_open_file_n " \"%s\" failed", file->data);
- return NULL;
- }
- len = 0;
- last = buf;
- do {
- n = ngx_read_fd(fd, last, NGX_SSL_PASSWORD_BUFFER_SIZE - len);
- if (n == -1) {
- ngx_conf_log_error(NGX_LOG_EMERG, cf, ngx_errno,
- ngx_read_fd_n " \"%s\" failed", file->data);
- passwords = NULL;
- goto cleanup;
- }
- end = last + n;
- if (len && n == 0) {
- *end++ = LF;
- }
- p = buf;
- for ( ;; ) {
- last = ngx_strlchr(last, end, LF);
- if (last == NULL) {
- break;
- }
- len = last++ - p;
- if (len && p[len - 1] == CR) {
- len--;
- }
- if (len) {
- pwd = ngx_array_push(passwords);
- if (pwd == NULL) {
- passwords = NULL;
- goto cleanup;
- }
- pwd->len = len;
- pwd->data = ngx_pnalloc(cf->temp_pool, len);
- if (pwd->data == NULL) {
- passwords->nelts--;
- passwords = NULL;
- goto cleanup;
- }
- ngx_memcpy(pwd->data, p, len);
- }
- p = last;
- }
- len = end - p;
- if (len == NGX_SSL_PASSWORD_BUFFER_SIZE) {
- ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
- "too long line in \"%s\"", file->data);
- passwords = NULL;
- goto cleanup;
- }
- ngx_memmove(buf, p, len);
- last = buf + len;
- } while (n != 0);
- if (passwords->nelts == 0) {
- pwd = ngx_array_push(passwords);
- if (pwd == NULL) {
- passwords = NULL;
- goto cleanup;
- }
- ngx_memzero(pwd, sizeof(ngx_str_t));
- }
- cleanup:
- if (ngx_close_file(fd) == NGX_FILE_ERROR) {
- ngx_conf_log_error(NGX_LOG_ALERT, cf, ngx_errno,
- ngx_close_file_n " \"%s\" failed", file->data);
- }
- ngx_memzero(buf, NGX_SSL_PASSWORD_BUFFER_SIZE);
- return passwords;
- }
- static void
- ngx_ssl_passwords_cleanup(void *data)
- {
- ngx_array_t *passwords = data;
- ngx_str_t *pwd;
- ngx_uint_t i;
- pwd = passwords->elts;
- for (i = 0; i < passwords->nelts; i++) {
- ngx_memzero(pwd[i].data, pwd[i].len);
- }
- }
- ngx_int_t
- ngx_ssl_dhparam(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_str_t *file)
- {
- DH *dh;
- BIO *bio;
-
- static unsigned char dh1024_p[] = {
- 0xBB, 0xBC, 0x2D, 0xCA, 0xD8, 0x46, 0x74, 0x90, 0x7C, 0x43, 0xFC, 0xF5,
- 0x80, 0xE9, 0xCF, 0xDB, 0xD9, 0x58, 0xA3, 0xF5, 0x68, 0xB4, 0x2D, 0x4B,
- 0x08, 0xEE, 0xD4, 0xEB, 0x0F, 0xB3, 0x50, 0x4C, 0x6C, 0x03, 0x02, 0x76,
- 0xE7, 0x10, 0x80, 0x0C, 0x5C, 0xCB, 0xBA, 0xA8, 0x92, 0x26, 0x14, 0xC5,
- 0xBE, 0xEC, 0xA5, 0x65, 0xA5, 0xFD, 0xF1, 0xD2, 0x87, 0xA2, 0xBC, 0x04,
- 0x9B, 0xE6, 0x77, 0x80, 0x60, 0xE9, 0x1A, 0x92, 0xA7, 0x57, 0xE3, 0x04,
- 0x8F, 0x68, 0xB0, 0x76, 0xF7, 0xD3, 0x6C, 0xC8, 0xF2, 0x9B, 0xA5, 0xDF,
- 0x81, 0xDC, 0x2C, 0xA7, 0x25, 0xEC, 0xE6, 0x62, 0x70, 0xCC, 0x9A, 0x50,
- 0x35, 0xD8, 0xCE, 0xCE, 0xEF, 0x9E, 0xA0, 0x27, 0x4A, 0x63, 0xAB, 0x1E,
- 0x58, 0xFA, 0xFD, 0x49, 0x88, 0xD0, 0xF6, 0x5D, 0x14, 0x67, 0x57, 0xDA,
- 0x07, 0x1D, 0xF0, 0x45, 0xCF, 0xE1, 0x6B, 0x9B
- };
- static unsigned char dh1024_g[] = { 0x02 };
- if (file->len == 0) {
- dh = DH_new();
- if (dh == NULL) {
- ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0, "DH_new() failed");
- return NGX_ERROR;
- }
- dh->p = BN_bin2bn(dh1024_p, sizeof(dh1024_p), NULL);
- dh->g = BN_bin2bn(dh1024_g, sizeof(dh1024_g), NULL);
- if (dh->p == NULL || dh->g == NULL) {
- ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0, "BN_bin2bn() failed");
- DH_free(dh);
- return NGX_ERROR;
- }
- SSL_CTX_set_tmp_dh(ssl->ctx, dh);
- DH_free(dh);
- return NGX_OK;
- }
- if (ngx_conf_full_name(cf->cycle, file, 1) != NGX_OK) {
- return NGX_ERROR;
- }
- bio = BIO_new_file((char *) file->data, "r");
- if (bio == NULL) {
- ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
- "BIO_new_file(\"%s\") failed", file->data);
- return NGX_ERROR;
- }
- dh = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
- if (dh == NULL) {
- ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
- "PEM_read_bio_DHparams(\"%s\") failed", file->data);
- BIO_free(bio);
- return NGX_ERROR;
- }
- SSL_CTX_set_tmp_dh(ssl->ctx, dh);
- DH_free(dh);
- BIO_free(bio);
- return NGX_OK;
- }
- ngx_int_t
- ngx_ssl_ecdh_curve(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_str_t *name)
- {
- #if OPENSSL_VERSION_NUMBER >= 0x0090800fL
- #ifndef OPENSSL_NO_ECDH
- int nid;
- EC_KEY *ecdh;
-
- nid = OBJ_sn2nid((const char *) name->data);
- if (nid == 0) {
- ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
- "Unknown curve name \"%s\"", name->data);
- return NGX_ERROR;
- }
- ecdh = EC_KEY_new_by_curve_name(nid);
- if (ecdh == NULL) {
- ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
- "Unable to create curve \"%s\"", name->data);
- return NGX_ERROR;
- }
- SSL_CTX_set_options(ssl->ctx, SSL_OP_SINGLE_ECDH_USE);
- SSL_CTX_set_tmp_ecdh(ssl->ctx, ecdh);
- EC_KEY_free(ecdh);
- #endif
- #endif
- return NGX_OK;
- }
- ngx_int_t
- ngx_ssl_create_connection(ngx_ssl_t *ssl, ngx_connection_t *c, ngx_uint_t flags)
- {
- ngx_ssl_connection_t *sc;
- sc = ngx_pcalloc(c->pool, sizeof(ngx_ssl_connection_t));
- if (sc == NULL) {
- return NGX_ERROR;
- }
- sc->buffer = ((flags & NGX_SSL_BUFFER) != 0);
- sc->buffer_size = ssl->buffer_size;
- sc->connection = SSL_new(ssl->ctx);
- if (sc->connection == NULL) {
- ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "SSL_new() failed");
- return NGX_ERROR;
- }
- if (SSL_set_fd(sc->connection, c->fd) == 0) {
- ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "SSL_set_fd() failed");
- return NGX_ERROR;
- }
- if (flags & NGX_SSL_CLIENT) {
- SSL_set_connect_state(sc->connection);
- } else {
- SSL_set_accept_state(sc->connection);
- }
- if (SSL_set_ex_data(sc->connection, ngx_ssl_connection_index, c) == 0) {
- ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "SSL_set_ex_data() failed");
- return NGX_ERROR;
- }
- c->ssl = sc;
- return NGX_OK;
- }
- ngx_int_t
- ngx_ssl_set_session(ngx_connection_t *c, ngx_ssl_session_t *session)
- {
- if (session) {
- if (SSL_set_session(c->ssl->connection, session) == 0) {
- ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "SSL_set_session() failed");
- return NGX_ERROR;
- }
- }
- return NGX_OK;
- }
- ngx_int_t
- ngx_ssl_handshake(ngx_connection_t *c)
- {
- int n, sslerr;
- ngx_err_t err;
- ngx_ssl_clear_error(c->log);
- n = SSL_do_handshake(c->ssl->connection);
- ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_do_handshake: %d", n);
- if (n == 1) {
- if (ngx_handle_read_event(c->read, 0) != NGX_OK) {
- return NGX_ERROR;
- }
- if (ngx_handle_write_event(c->write, 0) != NGX_OK) {
- return NGX_ERROR;
- }
- #if (NGX_DEBUG)
- {
- char buf[129], *s, *d;
- #if OPENSSL_VERSION_NUMBER >= 0x10000000L
- const
- #endif
- SSL_CIPHER *cipher;
- cipher = SSL_get_current_cipher(c->ssl->connection);
- if (cipher) {
- SSL_CIPHER_description(cipher, &buf[1], 128);
- for (s = &buf[1], d = buf; *s; s++) {
- if (*s == ' ' && *d == ' ') {
- continue;
- }
- if (*s == LF || *s == CR) {
- continue;
- }
- *++d = *s;
- }
- if (*d != ' ') {
- d++;
- }
- *d = '\0';
- ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
- "SSL: %s, cipher: \"%s\"",
- SSL_get_version(c->ssl->connection), &buf[1]);
- if (SSL_session_reused(c->ssl->connection)) {
- ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
- "SSL reused session");
- }
- } else {
- ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
- "SSL no shared ciphers");
- }
- }
- #endif
- c->ssl->handshaked = 1;
- c->recv = ngx_ssl_recv;
- c->send = ngx_ssl_write;
- c->recv_chain = ngx_ssl_recv_chain;
- c->send_chain = ngx_ssl_send_chain;
- #ifdef SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS
-
- if (c->ssl->connection->s3) {
- c->ssl->connection->s3->flags |= SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS;
- }
- #endif
- return NGX_OK;
- }
- sslerr = SSL_get_error(c->ssl->connection, n);
- ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d", sslerr);
- if (sslerr == SSL_ERROR_WANT_READ) {
- c->read->ready = 0;
- c->read->handler = ngx_ssl_handshake_handler;
- c->write->handler = ngx_ssl_handshake_handler;
- if (ngx_handle_read_event(c->read, 0) != NGX_OK) {
- return NGX_ERROR;
- }
- if (ngx_handle_write_event(c->write, 0) != NGX_OK) {
- return NGX_ERROR;
- }
- return NGX_AGAIN;
- }
- if (sslerr == SSL_ERROR_WANT_WRITE) {
- c->write->ready = 0;
- c->read->handler = ngx_ssl_handshake_handler;
- c->write->handler = ngx_ssl_handshake_handler;
- if (ngx_handle_read_event(c->read, 0) != NGX_OK) {
- return NGX_ERROR;
- }
- if (ngx_handle_write_event(c->write, 0) != NGX_OK) {
- return NGX_ERROR;
- }
- return NGX_AGAIN;
- }
- err = (sslerr == SSL_ERROR_SYSCALL) ? ngx_errno : 0;
- c->ssl->no_wait_shutdown = 1;
- c->ssl->no_send_shutdown = 1;
- c->read->eof = 1;
- if (sslerr == SSL_ERROR_ZERO_RETURN || ERR_peek_error() == 0) {
- ngx_connection_error(c, err,
- "peer closed connection in SSL handshake");
- return NGX_ERROR;
- }
- c->read->error = 1;
- ngx_ssl_connection_error(c, sslerr, err, "SSL_do_handshake() failed");
- return NGX_ERROR;
- }
- static void
- ngx_ssl_handshake_handler(ngx_event_t *ev)
- {
- ngx_connection_t *c;
- c = ev->data;
- ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
- "SSL handshake handler: %d", ev->write);
- if (ev->timedout) {
- c->ssl->handler(c);
- return;
- }
- if (ngx_ssl_handshake(c) == NGX_AGAIN) {
- return;
- }
- c->ssl->handler(c);
- }
- ssize_t
- ngx_ssl_recv_chain(ngx_connection_t *c, ngx_chain_t *cl, off_t limit)
- {
- u_char *last;
- ssize_t n, bytes, size;
- ngx_buf_t *b;
- bytes = 0;
- b = cl->buf;
- last = b->last;
- for ( ;; ) {
- size = b->end - last;
- if (limit) {
- if (bytes >= limit) {
- return bytes;
- }
- if (bytes + size > limit) {
- size = (ssize_t) (limit - bytes);
- }
- }
- n = ngx_ssl_recv(c, last, size);
- if (n > 0) {
- last += n;
- bytes += n;
- if (last == b->end) {
- cl = cl->next;
- if (cl == NULL) {
- return bytes;
- }
- b = cl->buf;
- last = b->last;
- }
- continue;
- }
- if (bytes) {
- if (n == 0 || n == NGX_ERROR) {
- c->read->ready = 1;
- }
- return bytes;
- }
- return n;
- }
- }
- ssize_t
- ngx_ssl_recv(ngx_connection_t *c, u_char *buf, size_t size)
- {
- int n, bytes;
- if (c->ssl->last == NGX_ERROR) {
- c->read->error = 1;
- return NGX_ERROR;
- }
- if (c->ssl->last == NGX_DONE) {
- c->read->ready = 0;
- c->read->eof = 1;
- return 0;
- }
- bytes = 0;
- ngx_ssl_clear_error(c->log);
-
- for ( ;; ) {
- n = SSL_read(c->ssl->connection, buf, size);
- ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_read: %d", n);
- if (n > 0) {
- bytes += n;
- }
- c->ssl->last = ngx_ssl_handle_recv(c, n);
- if (c->ssl->last == NGX_OK) {
- size -= n;
- if (size == 0) {
- c->read->ready = 1;
- return bytes;
- }
- buf += n;
- continue;
- }
- if (bytes) {
- if (c->ssl->last != NGX_AGAIN) {
- c->read->ready = 1;
- }
- return bytes;
- }
- switch (c->ssl->last) {
- case NGX_DONE:
- c->read->ready = 0;
- c->read->eof = 1;
- return 0;
- case NGX_ERROR:
- c->read->error = 1;
-
- case NGX_AGAIN:
- return c->ssl->last;
- }
- }
- }
- static ngx_int_t
- ngx_ssl_handle_recv(ngx_connection_t *c, int n)
- {
- int sslerr;
- ngx_err_t err;
- if (c->ssl->renegotiation) {
-
- ngx_log_error(NGX_LOG_NOTICE, c->log, 0, "SSL renegotiation disabled");
- while (ERR_peek_error()) {
- ngx_ssl_error(NGX_LOG_DEBUG, c->log, 0,
- "ignoring stale global SSL error");
- }
- ERR_clear_error();
- c->ssl->no_wait_shutdown = 1;
- c->ssl->no_send_shutdown = 1;
- return NGX_ERROR;
- }
- if (n > 0) {
- if (c->ssl->saved_write_handler) {
- c->write->handler = c->ssl->saved_write_handler;
- c->ssl->saved_write_handler = NULL;
- c->write->ready = 1;
- if (ngx_handle_write_event(c->write, 0) != NGX_OK) {
- return NGX_ERROR;
- }
- ngx_post_event(c->write, &ngx_posted_events);
- }
- return NGX_OK;
- }
- sslerr = SSL_get_error(c->ssl->connection, n);
- err = (sslerr == SSL_ERROR_SYSCALL) ? ngx_errno : 0;
- ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d", sslerr);
- if (sslerr == SSL_ERROR_WANT_READ) {
- c->read->ready = 0;
- return NGX_AGAIN;
- }
- if (sslerr == SSL_ERROR_WANT_WRITE) {
- ngx_log_error(NGX_LOG_INFO, c->log, 0,
- "peer started SSL renegotiation");
- c->write->ready = 0;
- if (ngx_handle_write_event(c->write, 0) != NGX_OK) {
- return NGX_ERROR;
- }
-
- if (c->ssl->saved_write_handler == NULL) {
- c->ssl->saved_write_handler = c->write->handler;
- c->write->handler = ngx_ssl_write_handler;
- }
- return NGX_AGAIN;
- }
- c->ssl->no_wait_shutdown = 1;
- c->ssl->no_send_shutdown = 1;
- if (sslerr == SSL_ERROR_ZERO_RETURN || ERR_peek_error() == 0) {
- ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
- "peer shutdown SSL cleanly");
- return NGX_DONE;
- }
- ngx_ssl_connection_error(c, sslerr, err, "SSL_read() failed");
- return NGX_ERROR;
- }
- static void
- ngx_ssl_write_handler(ngx_event_t *wev)
- {
- ngx_connection_t *c;
- c = wev->data;
- c->read->handler(c->read);
- }
- ngx_chain_t *
- ngx_ssl_send_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit)
- {
- int n;
- ngx_uint_t flush;
- ssize_t send, size;
- ngx_buf_t *buf;
- if (!c->ssl->buffer) {
- while (in) {
- if (ngx_buf_special(in->buf)) {
- in = in->next;
- continue;
- }
- n = ngx_ssl_write(c, in->buf->pos, in->buf->last - in->buf->pos);
- if (n == NGX_ERROR) {
- return NGX_CHAIN_ERROR;
- }
- if (n == NGX_AGAIN) {
- return in;
- }
- in->buf->pos += n;
- c->sent += n;
- if (in->buf->pos == in->buf->last) {
- in = in->next;
- }
- }
- return in;
- }
-
- if (limit == 0 || limit > (off_t) (NGX_MAX_INT32_VALUE - ngx_pagesize)) {
- limit = NGX_MAX_INT32_VALUE - ngx_pagesize;
- }
- buf = c->ssl->buf;
- if (buf == NULL) {
- buf = ngx_create_temp_buf(c->pool, c->ssl->buffer_size);
- if (buf == NULL) {
- return NGX_CHAIN_ERROR;
- }
- c->ssl->buf = buf;
- }
- if (buf->start == NULL) {
- buf->start = ngx_palloc(c->pool, c->ssl->buffer_size);
- if (buf->start == NULL) {
- return NGX_CHAIN_ERROR;
- }
- buf->pos = buf->start;
- buf->last = buf->start;
- buf->end = buf->start + c->ssl->buffer_size;
- }
- send = buf->last - buf->pos;
- flush = (in == NULL) ? 1 : buf->flush;
- for ( ;; ) {
- while (in && buf->last < buf->end && send < limit) {
- if (in->buf->last_buf || in->buf->flush) {
- flush = 1;
- }
- if (ngx_buf_special(in->buf)) {
- in = in->next;
- continue;
- }
- size = in->buf->last - in->buf->pos;
- if (size > buf->end - buf->last) {
- size = buf->end - buf->last;
- }
- if (send + size > limit) {
- size = (ssize_t) (limit - send);
- }
- ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
- "SSL buf copy: %d", size);
- ngx_memcpy(buf->last, in->buf->pos, size);
- buf->last += size;
- in->buf->pos += size;
- send += size;
- if (in->buf->pos == in->buf->last) {
- in = in->next;
- }
- }
- if (!flush && send < limit && buf->last < buf->end) {
- break;
- }
- size = buf->last - buf->pos;
- if (size == 0) {
- buf->flush = 0;
- c->buffered &= ~NGX_SSL_BUFFERED;
- return in;
- }
- n = ngx_ssl_write(c, buf->pos, size);
- if (n == NGX_ERROR) {
- return NGX_CHAIN_ERROR;
- }
- if (n == NGX_AGAIN) {
- break;
- }
- buf->pos += n;
- c->sent += n;
- if (n < size) {
- break;
- }
- flush = 0;
- buf->pos = buf->start;
- buf->last = buf->start;
- if (in == NULL || send == limit) {
- break;
- }
- }
- buf->flush = flush;
- if (buf->pos < buf->last) {
- c->buffered |= NGX_SSL_BUFFERED;
- } else {
- c->buffered &= ~NGX_SSL_BUFFERED;
- }
- return in;
- }
- ssize_t
- ngx_ssl_write(ngx_connection_t *c, u_char *data, size_t size)
- {
- int n, sslerr;
- ngx_err_t err;
- ngx_ssl_clear_error(c->log);
- ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL to write: %d", size);
- n = SSL_write(c->ssl->connection, data, size);
- ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_write: %d", n);
- if (n > 0) {
- if (c->ssl->saved_read_handler) {
- c->read->handler = c->ssl->saved_read_handler;
- c->ssl->saved_read_handler = NULL;
- c->read->ready = 1;
- if (ngx_handle_read_event(c->read, 0) != NGX_OK) {
- return NGX_ERROR;
- }
- ngx_post_event(c->read, &ngx_posted_events);
- }
- return n;
- }
- sslerr = SSL_get_error(c->ssl->connection, n);
- err = (sslerr == SSL_ERROR_SYSCALL) ? ngx_errno : 0;
- ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d", sslerr);
- if (sslerr == SSL_ERROR_WANT_WRITE) {
- c->write->ready = 0;
- return NGX_AGAIN;
- }
- if (sslerr == SSL_ERROR_WANT_READ) {
- ngx_log_error(NGX_LOG_INFO, c->log, 0,
- "peer started SSL renegotiation");
- c->read->ready = 0;
- if (ngx_handle_read_event(c->read, 0) != NGX_OK) {
- return NGX_ERROR;
- }
-
- if (c->ssl->saved_read_handler == NULL) {
- c->ssl->saved_read_handler = c->read->handler;
- c->read->handler = ngx_ssl_read_handler;
- }
- return NGX_AGAIN;
- }
- c->ssl->no_wait_shutdown = 1;
- c->ssl->no_send_shutdown = 1;
- c->write->error = 1;
- ngx_ssl_connection_error(c, sslerr, err, "SSL_write() failed");
- return NGX_ERROR;
- }
- static void
- ngx_ssl_read_handler(ngx_event_t *rev)
- {
- ngx_connection_t *c;
- c = rev->data;
- c->write->handler(c->write);
- }
- void
- ngx_ssl_free_buffer(ngx_connection_t *c)
- {
- if (c->ssl->buf && c->ssl->buf->start) {
- if (ngx_pfree(c->pool, c->ssl->buf->start) == NGX_OK) {
- c->ssl->buf->start = NULL;
- }
- }
- }
- ngx_int_t
- ngx_ssl_shutdown(ngx_connection_t *c)
- {
- int n, sslerr, mode;
- ngx_err_t err;
- if (c->timedout) {
- mode = SSL_RECEIVED_SHUTDOWN|SSL_SENT_SHUTDOWN;
- SSL_set_quiet_shutdown(c->ssl->connection, 1);
- } else {
- mode = SSL_get_shutdown(c->ssl->connection);
- if (c->ssl->no_wait_shutdown) {
- mode |= SSL_RECEIVED_SHUTDOWN;
- }
- if (c->ssl->no_send_shutdown) {
- mode |= SSL_SENT_SHUTDOWN;
- }
- if (c->ssl->no_wait_shutdown && c->ssl->no_send_shutdown) {
- SSL_set_quiet_shutdown(c->ssl->connection, 1);
- }
- }
- SSL_set_shutdown(c->ssl->connection, mode);
- ngx_ssl_clear_error(c->log);
- n = SSL_shutdown(c->ssl->connection);
- ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_shutdown: %d", n);
- sslerr = 0;
-
- if (n != 1 && ERR_peek_error()) {
- sslerr = SSL_get_error(c->ssl->connection, n);
- ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
- "SSL_get_error: %d", sslerr);
- }
- if (n == 1 || sslerr == 0 || sslerr == SSL_ERROR_ZERO_RETURN) {
- SSL_free(c->ssl->connection);
- c->ssl = NULL;
- return NGX_OK;
- }
- if (sslerr == SSL_ERROR_WANT_READ || sslerr == SSL_ERROR_WANT_WRITE) {
- c->read->handler = ngx_ssl_shutdown_handler;
- c->write->handler = ngx_ssl_shutdown_handler;
- if (ngx_handle_read_event(c->read, 0) != NGX_OK) {
- return NGX_ERROR;
- }
- if (ngx_handle_write_event(c->write, 0) != NGX_OK) {
- return NGX_ERROR;
- }
- if (sslerr == SSL_ERROR_WANT_READ) {
- ngx_add_timer(c->read, 30000);
- }
- return NGX_AGAIN;
- }
- err = (sslerr == SSL_ERROR_SYSCALL) ? ngx_errno : 0;
- ngx_ssl_connection_error(c, sslerr, err, "SSL_shutdown() failed");
- SSL_free(c->ssl->connection);
- c->ssl = NULL;
- return NGX_ERROR;
- }
- static void
- ngx_ssl_shutdown_handler(ngx_event_t *ev)
- {
- ngx_connection_t *c;
- ngx_connection_handler_pt handler;
- c = ev->data;
- handler = c->ssl->handler;
- if (ev->timedout) {
- c->timedout = 1;
- }
- ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0, "SSL shutdown handler");
- if (ngx_ssl_shutdown(c) == NGX_AGAIN) {
- return;
- }
- handler(c);
- }
- static void
- ngx_ssl_connection_error(ngx_connection_t *c, int sslerr, ngx_err_t err,
- char *text)
- {
- int n;
- ngx_uint_t level;
- level = NGX_LOG_CRIT;
- if (sslerr == SSL_ERROR_SYSCALL) {
- if (err == NGX_ECONNRESET
- || err == NGX_EPIPE
- || err == NGX_ENOTCONN
- || err == NGX_ETIMEDOUT
- || err == NGX_ECONNREFUSED
- || err == NGX_ENETDOWN
- || err == NGX_ENETUNREACH
- || err == NGX_EHOSTDOWN
- || err == NGX_EHOSTUNREACH)
- {
- switch (c->log_error) {
- case NGX_ERROR_IGNORE_ECONNRESET:
- case NGX_ERROR_INFO:
- level = NGX_LOG_INFO;
- break;
- case NGX_ERROR_ERR:
- level = NGX_LOG_ERR;
- break;
- default:
- break;
- }
- }
- } else if (sslerr == SSL_ERROR_SSL) {
- n = ERR_GET_REASON(ERR_peek_error());
-
- if (n == SSL_R_BAD_CHANGE_CIPHER_SPEC
- || n == SSL_R_BLOCK_CIPHER_PAD_IS_WRONG
- || n == SSL_R_DIGEST_CHECK_FAILED
- || n == SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST
- || n == SSL_R_EXCESSIVE_MESSAGE_SIZE
- || n == SSL_R_LENGTH_MISMATCH
- || n == SSL_R_NO_CIPHERS_PASSED
- || n == SSL_R_NO_CIPHERS_SPECIFIED
- || n == SSL_R_NO_COMPRESSION_SPECIFIED
- || n == SSL_R_NO_SHARED_CIPHER
- || n == SSL_R_RECORD_LENGTH_MISMATCH
- #ifdef SSL_R_PARSE_TLSEXT
- || n == SSL_R_PARSE_TLSEXT
- #endif
- || n == SSL_R_UNEXPECTED_MESSAGE
- || n == SSL_R_UNEXPECTED_RECORD
- || n == SSL_R_UNKNOWN_ALERT_TYPE
- || n == SSL_R_UNKNOWN_PROTOCOL
- || n == SSL_R_WRONG_VERSION_NUMBER
- || n == SSL_R_DECRYPTION_FAILED_OR_BAD_RECORD_MAC
- #ifdef SSL_R_RENEGOTIATE_EXT_TOO_LONG
- || n == SSL_R_RENEGOTIATE_EXT_TOO_LONG
- || n == SSL_R_RENEGOTIATION_ENCODING_ERR
- || n == SSL_R_RENEGOTIATION_MISMATCH
- #endif
- #ifdef SSL_R_UNSAFE_LEGACY_RENEGOTIATION_DISABLED
- || n == SSL_R_UNSAFE_LEGACY_RENEGOTIATION_DISABLED
- #endif
- #ifdef SSL_R_SCSV_RECEIVED_WHEN_RENEGOTIATING
- || n == SSL_R_SCSV_RECEIVED_WHEN_RENEGOTIATING
- #endif
- #ifdef SSL_R_INAPPROPRIATE_FALLBACK
- || n == SSL_R_INAPPROPRIATE_FALLBACK
- #endif
- || n == 1000
- || n == SSL_R_SSLV3_ALERT_UNEXPECTED_MESSAGE
- || n == SSL_R_SSLV3_ALERT_BAD_RECORD_MAC
- || n == SSL_R_TLSV1_ALERT_DECRYPTION_FAILED
- || n == SSL_R_TLSV1_ALERT_RECORD_OVERFLOW
- || n == SSL_R_SSLV3_ALERT_DECOMPRESSION_FAILURE
- || n == SSL_R_SSLV3_ALERT_HANDSHAKE_FAILURE
- || n == SSL_R_SSLV3_ALERT_NO_CERTIFICATE
- || n == SSL_R_SSLV3_ALERT_BAD_CERTIFICATE
- || n == SSL_R_SSLV3_ALERT_UNSUPPORTED_CERTIFICATE
- || n == SSL_R_SSLV3_ALERT_CERTIFICATE_REVOKED
- || n == SSL_R_SSLV3_ALERT_CERTIFICATE_EXPIRED
- || n == SSL_R_SSLV3_ALERT_CERTIFICATE_UNKNOWN
- || n == SSL_R_SSLV3_ALERT_ILLEGAL_PARAMETER
- || n == SSL_R_TLSV1_ALERT_UNKNOWN_CA
- || n == SSL_R_TLSV1_ALERT_ACCESS_DENIED
- || n == SSL_R_TLSV1_ALERT_DECODE_ERROR
- || n == SSL_R_TLSV1_ALERT_DECRYPT_ERROR
- || n == SSL_R_TLSV1_ALERT_EXPORT_RESTRICTION
- || n == SSL_R_TLSV1_ALERT_PROTOCOL_VERSION
- || n == SSL_R_TLSV1_ALERT_INSUFFICIENT_SECURITY
- || n == SSL_R_TLSV1_ALERT_INTERNAL_ERROR
- || n == SSL_R_TLSV1_ALERT_USER_CANCELLED
- || n == SSL_R_TLSV1_ALERT_NO_RENEGOTIATION)
- {
- switch (c->log_error) {
- case NGX_ERROR_IGNORE_ECONNRESET:
- case NGX_ERROR_INFO:
- level = NGX_LOG_INFO;
- break;
- case NGX_ERROR_ERR:
- level = NGX_LOG_ERR;
- break;
- default:
- break;
- }
- }
- }
- ngx_ssl_error(level, c->log, err, text);
- }
- static void
- ngx_ssl_clear_error(ngx_log_t *log)
- {
- while (ERR_peek_error()) {
- ngx_ssl_error(NGX_LOG_ALERT, log, 0, "ignoring stale global SSL error");
- }
- ERR_clear_error();
- }
- void ngx_cdecl
- ngx_ssl_error(ngx_uint_t level, ngx_log_t *log, ngx_err_t err, char *fmt, ...)
- {
- int flags;
- u_long n;
- va_list args;
- u_char *p, *last;
- u_char errstr[NGX_MAX_CONF_ERRSTR];
- const char *data;
- last = errstr + NGX_MAX_CONF_ERRSTR;
- va_start(args, fmt);
- p = ngx_vslprintf(errstr, last - 1, fmt, args);
- va_end(args);
- p = ngx_cpystrn(p, (u_char *) " (SSL:", last - p);
- for ( ;; ) {
- n = ERR_peek_error_line_data(NULL, NULL, &data, &flags);
- if (n == 0) {
- break;
- }
- if (p >= last) {
- goto next;
- }
- *p++ = ' ';
- ERR_error_string_n(n, (char *) p, last - p);
- while (p < last && *p) {
- p++;
- }
- if (p < last && *data && (flags & ERR_TXT_STRING)) {
- *p++ = ':';
- p = ngx_cpystrn(p, (u_char *) data, last - p);
- }
- next:
- (void) ERR_get_error();
- }
- ngx_log_error(level, log, err, "%s)", errstr);
- }
- ngx_int_t
- ngx_ssl_session_cache(ngx_ssl_t *ssl, ngx_str_t *sess_ctx,
- ssize_t builtin_session_cache, ngx_shm_zone_t *shm_zone, time_t timeout)
- {
- long cache_mode;
- SSL_CTX_set_timeout(ssl->ctx, (long) timeout);
- if (ngx_ssl_session_id_context(ssl, sess_ctx) != NGX_OK) {
- return NGX_ERROR;
- }
- if (builtin_session_cache == NGX_SSL_NO_SCACHE) {
- SSL_CTX_set_session_cache_mode(ssl->ctx, SSL_SESS_CACHE_OFF);
- return NGX_OK;
- }
- if (builtin_session_cache == NGX_SSL_NONE_SCACHE) {
-
- SSL_CTX_set_session_cache_mode(ssl->ctx,
- SSL_SESS_CACHE_SERVER
- |SSL_SESS_CACHE_NO_AUTO_CLEAR
- |SSL_SESS_CACHE_NO_INTERNAL_STORE);
- SSL_CTX_sess_set_cache_size(ssl->ctx, 1);
- return NGX_OK;
- }
- cache_mode = SSL_SESS_CACHE_SERVER;
- if (shm_zone && builtin_session_cache == NGX_SSL_NO_BUILTIN_SCACHE) {
- cache_mode |= SSL_SESS_CACHE_NO_INTERNAL;
- }
- SSL_CTX_set_session_cache_mode(ssl->ctx, cache_mode);
- if (builtin_session_cache != NGX_SSL_NO_BUILTIN_SCACHE) {
- if (builtin_session_cache != NGX_SSL_DFLT_BUILTIN_SCACHE) {
- SSL_CTX_sess_set_cache_size(ssl->ctx, builtin_session_cache);
- }
- }
- if (shm_zone) {
- SSL_CTX_sess_set_new_cb(ssl->ctx, ngx_ssl_new_session);
- SSL_CTX_sess_set_get_cb(ssl->ctx, ngx_ssl_get_cached_session);
- SSL_CTX_sess_set_remove_cb(ssl->ctx, ngx_ssl_remove_session);
- if (SSL_CTX_set_ex_data(ssl->ctx, ngx_ssl_session_cache_index, shm_zone)
- == 0)
- {
- ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
- "SSL_CTX_set_ex_data() failed");
- return NGX_ERROR;
- }
- }
- return NGX_OK;
- }
- static ngx_int_t
- ngx_ssl_session_id_context(ngx_ssl_t *ssl, ngx_str_t *sess_ctx)
- {
- int n, i;
- X509 *cert;
- X509_NAME *name;
- EVP_MD_CTX md;
- unsigned int len;
- STACK_OF(X509_NAME) *list;
- u_char buf[EVP_MAX_MD_SIZE];
-
- EVP_MD_CTX_init(&md);
- if (EVP_DigestInit_ex(&md, EVP_sha1(), NULL) == 0) {
- ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
- "EVP_DigestInit_ex() failed");
- goto failed;
- }
- if (EVP_DigestUpdate(&md, sess_ctx->data, sess_ctx->len) == 0) {
- ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
- "EVP_DigestUpdate() failed");
- goto failed;
- }
- cert = SSL_CTX_get_ex_data(ssl->ctx, ngx_ssl_certificate_index);
- if (X509_digest(cert, EVP_sha1(), buf, &len) == 0) {
- ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
- "X509_digest() failed");
- goto failed;
- }
- if (EVP_DigestUpdate(&md, buf, len) == 0) {
- ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
- "EVP_DigestUpdate() failed");
- goto failed;
- }
- list = SSL_CTX_get_client_CA_list(ssl->ctx);
- if (list != NULL) {
- n = sk_X509_NAME_num(list);
- for (i = 0; i < n; i++) {
- name = sk_X509_NAME_value(list, i);
- if (X509_NAME_digest(name, EVP_sha1(), buf, &len) == 0) {
- ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
- "X509_NAME_digest() failed");
- goto failed;
- }
- if (EVP_DigestUpdate(&md, buf, len) == 0) {
- ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
- "EVP_DigestUpdate() failed");
- goto failed;
- }
- }
- }
- if (EVP_DigestFinal_ex(&md, buf, &len) == 0) {
- ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
- "EVP_DigestUpdate() failed");
- goto failed;
- }
- EVP_MD_CTX_cleanup(&md);
- if (SSL_CTX_set_session_id_context(ssl->ctx, buf, len) == 0) {
- ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
- "SSL_CTX_set_session_id_context() failed");
- return NGX_ERROR;
- }
- return NGX_OK;
- failed:
- EVP_MD_CTX_cleanup(&md);
- return NGX_ERROR;
- }
- ngx_int_t
- ngx_ssl_session_cache_init(ngx_shm_zone_t *shm_zone, void *data)
- {
- size_t len;
- ngx_slab_pool_t *shpool;
- ngx_ssl_session_cache_t *cache;
- if (data) {
- shm_zone->data = data;
- return NGX_OK;
- }
- shpool = (ngx_slab_pool_t *) shm_zone->shm.addr;
- if (shm_zone->shm.exists) {
- shm_zone->data = shpool->data;
- return NGX_OK;
- }
- cache = ngx_slab_alloc(shpool, sizeof(ngx_ssl_session_cache_t));
- if (cache == NULL) {
- return NGX_ERROR;
- }
- shpool->data = cache;
- shm_zone->data = cache;
- ngx_rbtree_init(&cache->session_rbtree, &cache->sentinel,
- ngx_ssl_session_rbtree_insert_value);
- ngx_queue_init(&cache->expire_queue);
- len = sizeof(" in SSL session shared cache \"\"") + shm_zone->shm.name.len;
- shpool->log_ctx = ngx_slab_alloc(shpool, len);
- if (shpool->log_ctx == NULL) {
- return NGX_ERROR;
- }
- ngx_sprintf(shpool->log_ctx, " in SSL session shared cache \"%V\"%Z",
- &shm_zone->shm.name);
- shpool->log_nomem = 0;
- return NGX_OK;
- }
- static int
- ngx_ssl_new_session(ngx_ssl_conn_t *ssl_conn, ngx_ssl_session_t *sess)
- {
- int len;
- u_char *p, *id, *cached_sess, *session_id;
- uint32_t hash;
- SSL_CTX *ssl_ctx;
- unsigned int session_id_length;
- ngx_shm_zone_t *shm_zone;
- ngx_connection_t *c;
- ngx_slab_pool_t *shpool;
- ngx_ssl_sess_id_t *sess_id;
- ngx_ssl_session_cache_t *cache;
- u_char buf[NGX_SSL_MAX_SESSION_SIZE];
- len = i2d_SSL_SESSION(sess, NULL);
-
- if (len > (int) NGX_SSL_MAX_SESSION_SIZE) {
- return 0;
- }
- p = buf;
- i2d_SSL_SESSION(sess, &p);
- c = ngx_ssl_get_connection(ssl_conn);
- ssl_ctx = SSL_get_SSL_CTX(ssl_conn);
- shm_zone = SSL_CTX_get_ex_data(ssl_ctx, ngx_ssl_session_cache_index);
- cache = shm_zone->data;
- shpool = (ngx_slab_pool_t *) shm_zone->shm.addr;
- ngx_shmtx_lock(&shpool->mutex);
-
- ngx_ssl_expire_sessions(cache, shpool, 1);
- cached_sess = ngx_slab_alloc_locked(shpool, len);
- if (cached_sess == NULL) {
-
- ngx_ssl_expire_sessions(cache, shpool, 0);
- cached_sess = ngx_slab_alloc_locked(shpool, len);
- if (cached_sess == NULL) {
- sess_id = NULL;
- goto failed;
- }
- }
- sess_id = ngx_slab_alloc_locked(shpool, sizeof(ngx_ssl_sess_id_t));
- if (sess_id == NULL) {
-
- ngx_ssl_expire_sessions(cache, shpool, 0);
- sess_id = ngx_slab_alloc_locked(shpool, sizeof(ngx_ssl_sess_id_t));
- if (sess_id == NULL) {
- goto failed;
- }
- }
- #if OPENSSL_VERSION_NUMBER >= 0x0090800fL
- session_id = (u_char *) SSL_SESSION_get_id(sess, &session_id_length);
- #else
- session_id = sess->session_id;
- session_id_length = sess->session_id_length;
- #endif
- #if (NGX_PTR_SIZE == 8)
- id = sess_id->sess_id;
- #else
- id = ngx_slab_alloc_locked(shpool, session_id_length);
- if (id == NULL) {
-
- ngx_ssl_expire_sessions(cache, shpool, 0);
- id = ngx_slab_alloc_locked(shpool, session_id_length);
- if (id == NULL) {
- goto failed;
- }
- }
- #endif
- ngx_memcpy(cached_sess, buf, len);
- ngx_memcpy(id, session_id, session_id_length);
- hash = ngx_crc32_short(session_id, session_id_length);
- ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
- "ssl new session: %08XD:%ud:%d",
- hash, session_id_length, len);
- sess_id->node.key = hash;
- sess_id->node.data = (u_char) session_id_length;
- sess_id->id = id;
- sess_id->len = len;
- sess_id->session = cached_sess;
- sess_id->expire = ngx_time() + SSL_CTX_get_timeout(ssl_ctx);
- ngx_queue_insert_head(&cache->expire_queue, &sess_id->queue);
- ngx_rbtree_insert(&cache->session_rbtree, &sess_id->node);
- ngx_shmtx_unlock(&shpool->mutex);
- return 0;
- failed:
- if (cached_sess) {
- ngx_slab_free_locked(shpool, cached_sess);
- }
- if (sess_id) {
- ngx_slab_free_locked(shpool, sess_id);
- }
- ngx_shmtx_unlock(&shpool->mutex);
- ngx_log_error(NGX_LOG_ALERT, c->log, 0,
- "could not allocate new session%s", shpool->log_ctx);
- return 0;
- }
- static ngx_ssl_session_t *
- ngx_ssl_get_cached_session(ngx_ssl_conn_t *ssl_conn, u_char *id, int len,
- int *copy)
- {
- #if OPENSSL_VERSION_NUMBER >= 0x0090707fL
- const
- #endif
- u_char *p;
- uint32_t hash;
- ngx_int_t rc;
- ngx_shm_zone_t *shm_zone;
- ngx_slab_pool_t *shpool;
- ngx_rbtree_node_t *node, *sentinel;
- ngx_ssl_session_t *sess;
- ngx_ssl_sess_id_t *sess_id;
- ngx_ssl_session_cache_t *cache;
- u_char buf[NGX_SSL_MAX_SESSION_SIZE];
- #if (NGX_DEBUG)
- ngx_connection_t *c;
- #endif
- hash = ngx_crc32_short(id, (size_t) len);
- *copy = 0;
- #if (NGX_DEBUG)
- c = ngx_ssl_get_connection(ssl_conn);
- ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
- "ssl get session: %08XD:%d", hash, len);
- #endif
- shm_zone = SSL_CTX_get_ex_data(SSL_get_SSL_CTX(ssl_conn),
- ngx_ssl_session_cache_index);
- cache = shm_zone->data;
- sess = NULL;
- shpool = (ngx_slab_pool_t *) shm_zone->shm.addr;
- ngx_shmtx_lock(&shpool->mutex);
- node = cache->session_rbtree.root;
- sentinel = cache->session_rbtree.sentinel;
- while (node != sentinel) {
- if (hash < node->key) {
- node = node->left;
- continue;
- }
- if (hash > node->key) {
- node = node->right;
- continue;
- }
-
- sess_id = (ngx_ssl_sess_id_t *) node;
- rc = ngx_memn2cmp(id, sess_id->id, (size_t) len, (size_t) node->data);
- if (rc == 0) {
- if (sess_id->expire > ngx_time()) {
- ngx_memcpy(buf, sess_id->session, sess_id->len);
- ngx_shmtx_unlock(&shpool->mutex);
- p = buf;
- sess = d2i_SSL_SESSION(NULL, &p, sess_id->len);
- return sess;
- }
- ngx_queue_remove(&sess_id->queue);
- ngx_rbtree_delete(&cache->session_rbtree, node);
- ngx_slab_free_locked(shpool, sess_id->session);
- #if (NGX_PTR_SIZE == 4)
- ngx_slab_free_locked(shpool, sess_id->id);
- #endif
- ngx_slab_free_locked(shpool, sess_id);
- sess = NULL;
- goto done;
- }
- node = (rc < 0) ? node->left : node->right;
- }
- done:
- ngx_shmtx_unlock(&shpool->mutex);
- return sess;
- }
- void
- ngx_ssl_remove_cached_session(SSL_CTX *ssl, ngx_ssl_session_t *sess)
- {
- SSL_CTX_remove_session(ssl, sess);
- ngx_ssl_remove_session(ssl, sess);
- }
- static void
- ngx_ssl_remove_session(SSL_CTX *ssl, ngx_ssl_session_t *sess)
- {
- u_char *id;
- uint32_t hash;
- ngx_int_t rc;
- unsigned int len;
- ngx_shm_zone_t *shm_zone;
- ngx_slab_pool_t *shpool;
- ngx_rbtree_node_t *node, *sentinel;
- ngx_ssl_sess_id_t *sess_id;
- ngx_ssl_session_cache_t *cache;
- shm_zone = SSL_CTX_get_ex_data(ssl, ngx_ssl_session_cache_index);
- if (shm_zone == NULL) {
- return;
- }
- cache = shm_zone->data;
- #if OPENSSL_VERSION_NUMBER >= 0x0090800fL
- id = (u_char *) SSL_SESSION_get_id(sess, &len);
- #else
- id = sess->session_id;
- len = sess->session_id_length;
- #endif
- hash = ngx_crc32_short(id, len);
- ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ngx_cycle->log, 0,
- "ssl remove session: %08XD:%ud", hash, len);
- shpool = (ngx_slab_pool_t *) shm_zone->shm.addr;
- ngx_shmtx_lock(&shpool->mutex);
- node = cache->session_rbtree.root;
- sentinel = cache->session_rbtree.sentinel;
- while (node != sentinel) {
- if (hash < node->key) {
- node = node->left;
- continue;
- }
- if (hash > node->key) {
- node = node->right;
- continue;
- }
-
- sess_id = (ngx_ssl_sess_id_t *) node;
- rc = ngx_memn2cmp(id, sess_id->id, len, (size_t) node->data);
- if (rc == 0) {
- ngx_queue_remove(&sess_id->queue);
- ngx_rbtree_delete(&cache->session_rbtree, node);
- ngx_slab_free_locked(shpool, sess_id->session);
- #if (NGX_PTR_SIZE == 4)
- ngx_slab_free_locked(shpool, sess_id->id);
- #endif
- ngx_slab_free_locked(shpool, sess_id);
- goto done;
- }
- node = (rc < 0) ? node->left : node->right;
- }
- done:
- ngx_shmtx_unlock(&shpool->mutex);
- }
- static void
- ngx_ssl_expire_sessions(ngx_ssl_session_cache_t *cache,
- ngx_slab_pool_t *shpool, ngx_uint_t n)
- {
- time_t now;
- ngx_queue_t *q;
- ngx_ssl_sess_id_t *sess_id;
- now = ngx_time();
- while (n < 3) {
- if (ngx_queue_empty(&cache->expire_queue)) {
- return;
- }
- q = ngx_queue_last(&cache->expire_queue);
- sess_id = ngx_queue_data(q, ngx_ssl_sess_id_t, queue);
- if (n++ != 0 && sess_id->expire > now) {
- return;
- }
- ngx_queue_remove(q);
- ngx_log_debug1(NGX_LOG_DEBUG_EVENT, ngx_cycle->log, 0,
- "expire session: %08Xi", sess_id->node.key);
- ngx_rbtree_delete(&cache->session_rbtree, &sess_id->node);
- ngx_slab_free_locked(shpool, sess_id->session);
- #if (NGX_PTR_SIZE == 4)
- ngx_slab_free_locked(shpool, sess_id->id);
- #endif
- ngx_slab_free_locked(shpool, sess_id);
- }
- }
- static void
- ngx_ssl_session_rbtree_insert_value(ngx_rbtree_node_t *temp,
- ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel)
- {
- ngx_rbtree_node_t **p;
- ngx_ssl_sess_id_t *sess_id, *sess_id_temp;
- for ( ;; ) {
- if (node->key < temp->key) {
- p = &temp->left;
- } else if (node->key > temp->key) {
- p = &temp->right;
- } else {
- sess_id = (ngx_ssl_sess_id_t *) node;
- sess_id_temp = (ngx_ssl_sess_id_t *) temp;
- p = (ngx_memn2cmp(sess_id->id, sess_id_temp->id,
- (size_t) node->data, (size_t) temp->data)
- < 0) ? &temp->left : &temp->right;
- }
- if (*p == sentinel) {
- break;
- }
- temp = *p;
- }
- *p = node;
- node->parent = temp;
- node->left = sentinel;
- node->right = sentinel;
- ngx_rbt_red(node);
- }
- #ifdef SSL_CTRL_SET_TLSEXT_TICKET_KEY_CB
- ngx_int_t
- ngx_ssl_session_ticket_keys(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_array_t *paths)
- {
- u_char buf[48];
- ssize_t n;
- ngx_str_t *path;
- ngx_file_t file;
- ngx_uint_t i;
- ngx_array_t *keys;
- ngx_file_info_t fi;
- ngx_ssl_session_ticket_key_t *key;
- if (paths == NULL) {
- return NGX_OK;
- }
- keys = ngx_array_create(cf->pool, paths->nelts,
- sizeof(ngx_ssl_session_ticket_key_t));
- if (keys == NULL) {
- return NGX_ERROR;
- }
- path = paths->elts;
- for (i = 0; i < paths->nelts; i++) {
- if (ngx_conf_full_name(cf->cycle, &path[i], 1) != NGX_OK) {
- return NGX_ERROR;
- }
- ngx_memzero(&file, sizeof(ngx_file_t));
- file.name = path[i];
- file.log = cf->log;
- file.fd = ngx_open_file(file.name.data, NGX_FILE_RDONLY, 0, 0);
- if (file.fd == NGX_INVALID_FILE) {
- ngx_conf_log_error(NGX_LOG_EMERG, cf, ngx_errno,
- ngx_open_file_n " \"%V\" failed", &file.name);
- return NGX_ERROR;
- }
- if (ngx_fd_info(file.fd, &fi) == NGX_FILE_ERROR) {
- ngx_conf_log_error(NGX_LOG_CRIT, cf, ngx_errno,
- ngx_fd_info_n " \"%V\" failed", &file.name);
- goto failed;
- }
- if (ngx_file_size(&fi) != 48) {
- ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
- "\"%V\" must be 48 bytes", &file.name);
- goto failed;
- }
- n = ngx_read_file(&file, buf, 48, 0);
- if (n == NGX_ERROR) {
- ngx_conf_log_error(NGX_LOG_CRIT, cf, ngx_errno,
- ngx_read_file_n " \"%V\" failed", &file.name);
- goto failed;
- }
- if (n != 48) {
- ngx_conf_log_error(NGX_LOG_CRIT, cf, 0,
- ngx_read_file_n " \"%V\" returned only "
- "%z bytes instead of 48", &file.name, n);
- goto failed;
- }
- key = ngx_array_push(keys);
- if (key == NULL) {
- goto failed;
- }
- ngx_memcpy(key->name, buf, 16);
- ngx_memcpy(key->aes_key, buf + 16, 16);
- ngx_memcpy(key->hmac_key, buf + 32, 16);
- if (ngx_close_file(file.fd) == NGX_FILE_ERROR) {
- ngx_log_error(NGX_LOG_ALERT, cf->log, ngx_errno,
- ngx_close_file_n " \"%V\" failed", &file.name);
- }
- }
- if (SSL_CTX_set_ex_data(ssl->ctx, ngx_ssl_session_ticket_keys_index, keys)
- == 0)
- {
- ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
- "SSL_CTX_set_ex_data() failed");
- return NGX_ERROR;
- }
- if (SSL_CTX_set_tlsext_ticket_key_cb(ssl->ctx,
- ngx_ssl_session_ticket_key_callback)
- == 0)
- {
- ngx_log_error(NGX_LOG_WARN, cf->log, 0,
- "nginx was built with Session Tickets support, however, "
- "now it is linked dynamically to an OpenSSL library "
- "which has no tlsext support, therefore Session Tickets "
- "are not available");
- }
- return NGX_OK;
- failed:
- if (ngx_close_file(file.fd) == NGX_FILE_ERROR) {
- ngx_log_error(NGX_LOG_ALERT, cf->log, ngx_errno,
- ngx_close_file_n " \"%V\" failed", &file.name);
- }
- return NGX_ERROR;
- }
- #ifdef OPENSSL_NO_SHA256
- #define ngx_ssl_session_ticket_md EVP_sha1
- #else
- #define ngx_ssl_session_ticket_md EVP_sha256
- #endif
- static int
- ngx_ssl_session_ticket_key_callback(ngx_ssl_conn_t *ssl_conn,
- unsigned char *name, unsigned char *iv, EVP_CIPHER_CTX *ectx,
- HMAC_CTX *hctx, int enc)
- {
- SSL_CTX *ssl_ctx;
- ngx_uint_t i;
- ngx_array_t *keys;
- ngx_ssl_session_ticket_key_t *key;
- #if (NGX_DEBUG)
- u_char buf[32];
- ngx_connection_t *c;
- #endif
- ssl_ctx = SSL_get_SSL_CTX(ssl_conn);
- keys = SSL_CTX_get_ex_data(ssl_ctx, ngx_ssl_session_ticket_keys_index);
- if (keys == NULL) {
- return -1;
- }
- key = keys->elts;
- #if (NGX_DEBUG)
- c = ngx_ssl_get_connection(ssl_conn);
- #endif
- if (enc == 1) {
-
- ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
- "ssl session ticket encrypt, key: \"%*s\" (%s session)",
- ngx_hex_dump(buf, key[0].name, 16) - buf, buf,
- SSL_session_reused(ssl_conn) ? "reused" : "new");
- RAND_pseudo_bytes(iv, 16);
- EVP_EncryptInit_ex(ectx, EVP_aes_128_cbc(), NULL, key[0].aes_key, iv);
- HMAC_Init_ex(hctx, key[0].hmac_key, 16,
- ngx_ssl_session_ticket_md(), NULL);
- ngx_memcpy(name, key[0].name, 16);
- return 0;
- } else {
-
- for (i = 0; i < keys->nelts; i++) {
- if (ngx_memcmp(name, key[i].name, 16) == 0) {
- goto found;
- }
- }
- ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
- "ssl session ticket decrypt, key: \"%*s\" not found",
- ngx_hex_dump(buf, name, 16) - buf, buf);
- return 0;
- found:
- ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
- "ssl session ticket decrypt, key: \"%*s\"%s",
- ngx_hex_dump(buf, key[i].name, 16) - buf, buf,
- (i == 0) ? " (default)" : "");
- HMAC_Init_ex(hctx, key[i].hmac_key, 16,
- ngx_ssl_session_ticket_md(), NULL);
- EVP_DecryptInit_ex(ectx, EVP_aes_128_cbc(), NULL, key[i].aes_key, iv);
- return (i == 0) ? 1 : 2 ;
- }
- }
- #else
- ngx_int_t
- ngx_ssl_session_ticket_keys(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_array_t *paths)
- {
- if (paths) {
- ngx_log_error(NGX_LOG_WARN, ssl->log, 0,
- "\"ssl_session_ticket_keys\" ignored, not supported");
- }
- return NGX_OK;
- }
- #endif
- void
- ngx_ssl_cleanup_ctx(void *data)
- {
- ngx_ssl_t *ssl = data;
- SSL_CTX_free(ssl->ctx);
- }
- ngx_int_t
- ngx_ssl_check_host(ngx_connection_t *c, ngx_str_t *name)
- {
- X509 *cert;
- cert = SSL_get_peer_certificate(c->ssl->connection);
- if (cert == NULL) {
- return NGX_ERROR;
- }
- #if (OPENSSL_VERSION_NUMBER >= 0x10002002L && !defined LIBRESSL_VERSION_NUMBER)
-
- if (name->len == 0) {
- goto failed;
- }
- if (X509_check_host(cert, (char *) name->data, name->len, 0, NULL) != 1) {
- ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
- "X509_check_host(): no match");
- goto failed;
- }
- ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
- "X509_check_host(): match");
- goto found;
- #else
- {
- int n, i;
- X509_NAME *sname;
- ASN1_STRING *str;
- X509_NAME_ENTRY *entry;
- GENERAL_NAME *altname;
- STACK_OF(GENERAL_NAME) *altnames;
-
- altnames = X509_get_ext_d2i(cert, NID_subject_alt_name, NULL, NULL);
- if (altnames) {
- n = sk_GENERAL_NAME_num(altnames);
- for (i = 0; i < n; i++) {
- altname = sk_GENERAL_NAME_value(altnames, i);
- if (altname->type != GEN_DNS) {
- continue;
- }
- str = altname->d.dNSName;
- ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
- "SSL subjectAltName: \"%*s\"",
- ASN1_STRING_length(str), ASN1_STRING_data(str));
- if (ngx_ssl_check_name(name, str) == NGX_OK) {
- ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
- "SSL subjectAltName: match");
- GENERAL_NAMES_free(altnames);
- goto found;
- }
- }
- ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
- "SSL subjectAltName: no match");
- GENERAL_NAMES_free(altnames);
- goto failed;
- }
-
- sname = X509_get_subject_name(cert);
- if (sname == NULL) {
- goto failed;
- }
- i = -1;
- for ( ;; ) {
- i = X509_NAME_get_index_by_NID(sname, NID_commonName, i);
- if (i < 0) {
- break;
- }
- entry = X509_NAME_get_entry(sname, i);
- str = X509_NAME_ENTRY_get_data(entry);
- ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
- "SSL commonName: \"%*s\"",
- ASN1_STRING_length(str), ASN1_STRING_data(str));
- if (ngx_ssl_check_name(name, str) == NGX_OK) {
- ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
- "SSL commonName: match");
- goto found;
- }
- }
- ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
- "SSL commonName: no match");
- }
- #endif
- failed:
- X509_free(cert);
- return NGX_ERROR;
- found:
- X509_free(cert);
- return NGX_OK;
- }
- #if (OPENSSL_VERSION_NUMBER < 0x10002002L || defined LIBRESSL_VERSION_NUMBER)
- static ngx_int_t
- ngx_ssl_check_name(ngx_str_t *name, ASN1_STRING *pattern)
- {
- u_char *s, *p, *end;
- size_t slen, plen;
- s = name->data;
- slen = name->len;
- p = ASN1_STRING_data(pattern);
- plen = ASN1_STRING_length(pattern);
- if (slen == plen && ngx_strncasecmp(s, p, plen) == 0) {
- return NGX_OK;
- }
- if (plen > 2 && p[0] == '*' && p[1] == '.') {
- plen -= 1;
- p += 1;
- end = s + slen;
- s = ngx_strlchr(s, end, '.');
- if (s == NULL) {
- return NGX_ERROR;
- }
- slen = end - s;
- if (plen == slen && ngx_strncasecmp(s, p, plen) == 0) {
- return NGX_OK;
- }
- }
- return NGX_ERROR;
- }
- #endif
- ngx_int_t
- ngx_ssl_get_protocol(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
- {
- s->data = (u_char *) SSL_get_version(c->ssl->connection);
- return NGX_OK;
- }
- ngx_int_t
- ngx_ssl_get_cipher_name(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
- {
- s->data = (u_char *) SSL_get_cipher_name(c->ssl->connection);
- return NGX_OK;
- }
- ngx_int_t
- ngx_ssl_get_session_id(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
- {
- u_char *buf;
- SSL_SESSION *sess;
- unsigned int len;
- sess = SSL_get0_session(c->ssl->connection);
- if (sess == NULL) {
- s->len = 0;
- return NGX_OK;
- }
- #if OPENSSL_VERSION_NUMBER >= 0x0090800fL
- buf = (u_char *) SSL_SESSION_get_id(sess, &len);
- #else
- buf = sess->session_id;
- len = sess->session_id_length;
- #endif
- s->len = 2 * len;
- s->data = ngx_pnalloc(pool, 2 * len);
- if (s->data == NULL) {
- return NGX_ERROR;
- }
- ngx_hex_dump(s->data, buf, len);
- return NGX_OK;
- }
- ngx_int_t
- ngx_ssl_get_session_reused(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
- {
- if (SSL_session_reused(c->ssl->connection)) {
- ngx_str_set(s, "r");
- } else {
- ngx_str_set(s, ".");
- }
- return NGX_OK;
- }
- ngx_int_t
- ngx_ssl_get_server_name(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
- {
- #ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME
- const char *servername;
- servername = SSL_get_servername(c->ssl->connection,
- TLSEXT_NAMETYPE_host_name);
- if (servername) {
- s->data = (u_char *) servername;
- s->len = ngx_strlen(servername);
- return NGX_OK;
- }
- #endif
- s->len = 0;
- return NGX_OK;
- }
- ngx_int_t
- ngx_ssl_get_raw_certificate(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
- {
- size_t len;
- BIO *bio;
- X509 *cert;
- s->len = 0;
- cert = SSL_get_peer_certificate(c->ssl->connection);
- if (cert == NULL) {
- return NGX_OK;
- }
- bio = BIO_new(BIO_s_mem());
- if (bio == NULL) {
- ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "BIO_new() failed");
- X509_free(cert);
- return NGX_ERROR;
- }
- if (PEM_write_bio_X509(bio, cert) == 0) {
- ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "PEM_write_bio_X509() failed");
- goto failed;
- }
- len = BIO_pending(bio);
- s->len = len;
- s->data = ngx_pnalloc(pool, len);
- if (s->data == NULL) {
- goto failed;
- }
- BIO_read(bio, s->data, len);
- BIO_free(bio);
- X509_free(cert);
- return NGX_OK;
- failed:
- BIO_free(bio);
- X509_free(cert);
- return NGX_ERROR;
- }
- ngx_int_t
- ngx_ssl_get_certificate(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
- {
- u_char *p;
- size_t len;
- ngx_uint_t i;
- ngx_str_t cert;
- if (ngx_ssl_get_raw_certificate(c, pool, &cert) != NGX_OK) {
- return NGX_ERROR;
- }
- if (cert.len == 0) {
- s->len = 0;
- return NGX_OK;
- }
- len = cert.len - 1;
- for (i = 0; i < cert.len - 1; i++) {
- if (cert.data[i] == LF) {
- len++;
- }
- }
- s->len = len;
- s->data = ngx_pnalloc(pool, len);
- if (s->data == NULL) {
- return NGX_ERROR;
- }
- p = s->data;
- for (i = 0; i < cert.len - 1; i++) {
- *p++ = cert.data[i];
- if (cert.data[i] == LF) {
- *p++ = '\t';
- }
- }
- return NGX_OK;
- }
- ngx_int_t
- ngx_ssl_get_subject_dn(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
- {
- char *p;
- size_t len;
- X509 *cert;
- X509_NAME *name;
- s->len = 0;
- cert = SSL_get_peer_certificate(c->ssl->connection);
- if (cert == NULL) {
- return NGX_OK;
- }
- name = X509_get_subject_name(cert);
- if (name == NULL) {
- X509_free(cert);
- return NGX_ERROR;
- }
- p = X509_NAME_oneline(name, NULL, 0);
- for (len = 0; p[len]; len++) { }
- s->len = len;
- s->data = ngx_pnalloc(pool, len);
- if (s->data == NULL) {
- OPENSSL_free(p);
- X509_free(cert);
- return NGX_ERROR;
- }
- ngx_memcpy(s->data, p, len);
- OPENSSL_free(p);
- X509_free(cert);
- return NGX_OK;
- }
- ngx_int_t
- ngx_ssl_get_issuer_dn(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
- {
- char *p;
- size_t len;
- X509 *cert;
- X509_NAME *name;
- s->len = 0;
- cert = SSL_get_peer_certificate(c->ssl->connection);
- if (cert == NULL) {
- return NGX_OK;
- }
- name = X509_get_issuer_name(cert);
- if (name == NULL) {
- X509_free(cert);
- return NGX_ERROR;
- }
- p = X509_NAME_oneline(name, NULL, 0);
- for (len = 0; p[len]; len++) { }
- s->len = len;
- s->data = ngx_pnalloc(pool, len);
- if (s->data == NULL) {
- OPENSSL_free(p);
- X509_free(cert);
- return NGX_ERROR;
- }
- ngx_memcpy(s->data, p, len);
- OPENSSL_free(p);
- X509_free(cert);
- return NGX_OK;
- }
- ngx_int_t
- ngx_ssl_get_serial_number(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
- {
- size_t len;
- X509 *cert;
- BIO *bio;
- s->len = 0;
- cert = SSL_get_peer_certificate(c->ssl->connection);
- if (cert == NULL) {
- return NGX_OK;
- }
- bio = BIO_new(BIO_s_mem());
- if (bio == NULL) {
- X509_free(cert);
- return NGX_ERROR;
- }
- i2a_ASN1_INTEGER(bio, X509_get_serialNumber(cert));
- len = BIO_pending(bio);
- s->len = len;
- s->data = ngx_pnalloc(pool, len);
- if (s->data == NULL) {
- BIO_free(bio);
- X509_free(cert);
- return NGX_ERROR;
- }
- BIO_read(bio, s->data, len);
- BIO_free(bio);
- X509_free(cert);
- return NGX_OK;
- }
- ngx_int_t
- ngx_ssl_get_fingerprint(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
- {
- X509 *cert;
- unsigned int len;
- u_char buf[EVP_MAX_MD_SIZE];
- s->len = 0;
- cert = SSL_get_peer_certificate(c->ssl->connection);
- if (cert == NULL) {
- return NGX_OK;
- }
- if (!X509_digest(cert, EVP_sha1(), buf, &len)) {
- X509_free(cert);
- return NGX_ERROR;
- }
- s->len = 2 * len;
- s->data = ngx_pnalloc(pool, 2 * len);
- if (s->data == NULL) {
- X509_free(cert);
- return NGX_ERROR;
- }
- ngx_hex_dump(s->data, buf, len);
- X509_free(cert);
- return NGX_OK;
- }
- ngx_int_t
- ngx_ssl_get_client_verify(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
- {
- X509 *cert;
- if (SSL_get_verify_result(c->ssl->connection) != X509_V_OK) {
- ngx_str_set(s, "FAILED");
- return NGX_OK;
- }
- cert = SSL_get_peer_certificate(c->ssl->connection);
- if (cert) {
- ngx_str_set(s, "SUCCESS");
- } else {
- ngx_str_set(s, "NONE");
- }
- X509_free(cert);
- return NGX_OK;
- }
- static void *
- ngx_openssl_create_conf(ngx_cycle_t *cycle)
- {
- ngx_openssl_conf_t *oscf;
- oscf = ngx_pcalloc(cycle->pool, sizeof(ngx_openssl_conf_t));
- if (oscf == NULL) {
- return NULL;
- }
-
- return oscf;
- }
- static char *
- ngx_openssl_engine(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
- {
- #ifndef OPENSSL_NO_ENGINE
- ngx_openssl_conf_t *oscf = conf;
- ENGINE *engine;
- ngx_str_t *value;
- if (oscf->engine) {
- return "is duplicate";
- }
- oscf->engine = 1;
- value = cf->args->elts;
- engine = ENGINE_by_id((const char *) value[1].data);
- if (engine == NULL) {
- ngx_ssl_error(NGX_LOG_WARN, cf->log, 0,
- "ENGINE_by_id(\"%V\") failed", &value[1]);
- return NGX_CONF_ERROR;
- }
- if (ENGINE_set_default(engine, ENGINE_METHOD_ALL) == 0) {
- ngx_ssl_error(NGX_LOG_WARN, cf->log, 0,
- "ENGINE_set_default(\"%V\", ENGINE_METHOD_ALL) failed",
- &value[1]);
- ENGINE_free(engine);
- return NGX_CONF_ERROR;
- }
- ENGINE_free(engine);
- return NGX_CONF_OK;
- #else
- return "is not supported";
- #endif
- }
- static void
- ngx_openssl_exit(ngx_cycle_t *cycle)
- {
- EVP_cleanup();
- #ifndef OPENSSL_NO_ENGINE
- ENGINE_cleanup();
- #endif
- }
One Level Up
Top Level