diff options
Diffstat (limited to 'debian/vendor-h2o/src/main.c')
| -rw-r--r-- | debian/vendor-h2o/src/main.c | 2239 |
1 files changed, 0 insertions, 2239 deletions
diff --git a/debian/vendor-h2o/src/main.c b/debian/vendor-h2o/src/main.c deleted file mode 100644 index af0867f..0000000 --- a/debian/vendor-h2o/src/main.c +++ /dev/null @@ -1,2239 +0,0 @@ -/* - * Copyright (c) 2014-2016 DeNA Co., Ltd., Kazuho Oku, Tatsuhiko Kubo, - * Domingo Alvarez Duarte, Nick Desaulniers, - * Jeff Marrison, Shota Fukumori, Fastly, Inc. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to - * deal in the Software without restriction, including without limitation the - * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - */ -#include <arpa/inet.h> -#include <assert.h> -#include <errno.h> -#include <fcntl.h> -#include <getopt.h> -#include <inttypes.h> -#include <limits.h> -#include <netdb.h> -#include <netinet/in.h> -#include <netinet/tcp.h> -#include <poll.h> -#include <pthread.h> -#include <pwd.h> -#include <signal.h> -#include <spawn.h> -#include <stdio.h> -#include <unistd.h> -#include <sys/resource.h> -#include <sys/stat.h> -#include <sys/socket.h> -#include <sys/time.h> -#include <sys/types.h> -#include <sys/un.h> -#include <sys/wait.h> -#include <openssl/crypto.h> -#include <openssl/err.h> -#include <openssl/ssl.h> -#ifdef __GLIBC__ -#include <execinfo.h> -#endif -#if H2O_USE_PICOTLS -#include "picotls.h" -#include "picotls/minicrypto.h" -#include "picotls/openssl.h" -#endif -#include "cloexec.h" -#include "yoml-parser.h" -#include "neverbleed.h" -#include "h2o.h" -#include "h2o/configurator.h" -#include "h2o/http1.h" -#include "h2o/http2.h" -#include "h2o/serverutil.h" -#if H2O_USE_MRUBY -#include "h2o/mruby_.h" -#endif -#include "standalone.h" - -#ifdef TCP_FASTOPEN -#define H2O_DEFAULT_LENGTH_TCP_FASTOPEN_QUEUE 4096 -#else -#define H2O_DEFAULT_LENGTH_TCP_FASTOPEN_QUEUE 0 -#endif - -#define H2O_DEFAULT_NUM_NAME_RESOLUTION_THREADS 32 - -#define H2O_DEFAULT_OCSP_UPDATER_MAX_THREADS 10 - -#if defined(OPENSSL_NO_OCSP) && !H2O_USE_PICOTLS -#define H2O_USE_OCSP 0 -#else -#define H2O_USE_OCSP 1 -#endif - -struct listener_ssl_config_t { - H2O_VECTOR(h2o_iovec_t) hostnames; - char *certificate_file; - SSL_CTX *ctx; -#if H2O_USE_OCSP - struct { - uint64_t interval; - unsigned max_failures; - char *cmd; - pthread_t updater_tid; /* should be valid when and only when interval != 0 */ - struct { - pthread_mutex_t mutex; - h2o_buffer_t *data; - } response; - } ocsp_stapling; -#endif -}; - -struct listener_config_t { - int fd; - struct sockaddr_storage addr; - socklen_t addrlen; - h2o_hostconf_t **hosts; - H2O_VECTOR(struct listener_ssl_config_t *) ssl; - int proxy_protocol; -}; - -struct listener_ctx_t { - h2o_accept_ctx_t accept_ctx; - h2o_socket_t *sock; -}; - -typedef struct st_resolve_tag_node_cache_entry_t { - h2o_iovec_t filename; - yoml_t *node; -} resolve_tag_node_cache_entry_t; - -typedef struct st_resolve_tag_arg_t { - H2O_VECTOR(resolve_tag_node_cache_entry_t) node_cache; -} resolve_tag_arg_t; - -typedef enum en_run_mode_t { - RUN_MODE_WORKER = 0, - RUN_MODE_MASTER, - RUN_MODE_DAEMON, - RUN_MODE_TEST, -} run_mode_t; - -static struct { - h2o_globalconf_t globalconf; - run_mode_t run_mode; - struct { - int *fds; - char *bound_fd_map; /* has `num_fds` elements, set to 1 if fd[index] was bound to one of the listeners */ - size_t num_fds; - char *env_var; - } server_starter; - struct listener_config_t **listeners; - size_t num_listeners; - char *pid_file; - char *error_log; - int max_connections; - size_t num_threads; - int tfo_queues; - time_t launch_time; - struct { - pthread_t tid; - h2o_context_t ctx; - h2o_multithread_receiver_t server_notifications; - h2o_multithread_receiver_t memcached; - } * threads; - volatile sig_atomic_t shutdown_requested; - h2o_barrier_t startup_sync_barrier; - struct { - /* unused buffers exist to avoid false sharing of the cache line */ - char _unused1_avoir_false_sharing[32]; - int _num_connections; /* number of currently handled incoming connections, should use atomic functions to update the value - */ - char _unused2_avoir_false_sharing[32]; - unsigned long - _num_sessions; /* total number of opened incoming connections, should use atomic functions to update the value */ - char _unused3_avoir_false_sharing[32]; - } state; - char *crash_handler; - int crash_handler_wait_pipe_close; -} conf = { - {NULL}, /* globalconf */ - RUN_MODE_WORKER, /* dry-run */ - {NULL}, /* server_starter */ - NULL, /* listeners */ - 0, /* num_listeners */ - NULL, /* pid_file */ - NULL, /* error_log */ - 1024, /* max_connections */ - 0, /* initialized in main() */ - 0, /* initialized in main() */ - 0, /* initialized in main() */ - NULL, /* thread_ids */ - 0, /* shutdown_requested */ - H2O_BARRIER_INITIALIZER(SIZE_MAX), /* startup_sync_barrier */ - {{0}}, /* state */ - "share/h2o/annotate-backtrace-symbols", /* crash_handler */ - 0, /* crash_handler_wait_pipe_close */ -}; - -static neverbleed_t *neverbleed = NULL; - -static void set_cloexec(int fd) -{ - if (fcntl(fd, F_SETFD, FD_CLOEXEC) == -1) { - perror("failed to set FD_CLOEXEC"); - abort(); - } -} - -static int on_openssl_print_errors(const char *str, size_t len, void *fp) -{ - fwrite(str, 1, len, fp); - return (int)len; -} - -static void setup_ecc_key(SSL_CTX *ssl_ctx) -{ -#ifdef SSL_CTX_set_ecdh_auto - SSL_CTX_set_ecdh_auto(ssl_ctx, 1); -#else - int nid = NID_X9_62_prime256v1; - EC_KEY *key = EC_KEY_new_by_curve_name(nid); - if (key == NULL) { - fprintf(stderr, "Failed to create curve \"%s\"\n", OBJ_nid2sn(nid)); - return; - } - SSL_CTX_set_tmp_ecdh(ssl_ctx, key); - EC_KEY_free(key); -#endif -} - -static struct listener_ssl_config_t *resolve_sni(struct listener_config_t *listener, const char *name, size_t name_len) -{ - size_t i, j; - - for (i = 0; i != listener->ssl.size; ++i) { - struct listener_ssl_config_t *ssl_config = listener->ssl.entries[i]; - for (j = 0; j != ssl_config->hostnames.size; ++j) { - if (ssl_config->hostnames.entries[j].base[0] == '*') { - /* matching against "*.foo.bar" */ - size_t cmplen = ssl_config->hostnames.entries[j].len - 1; - if (!(cmplen < name_len && h2o_lcstris(name + name_len - cmplen, cmplen, ssl_config->hostnames.entries[j].base + 1, - ssl_config->hostnames.entries[j].len - 1))) - continue; - } else { - if (!h2o_lcstris(name, name_len, ssl_config->hostnames.entries[j].base, ssl_config->hostnames.entries[j].len)) - continue; - } - /* found */ - return listener->ssl.entries[i]; - } - } - return listener->ssl.entries[0]; -} - -static int on_sni_callback(SSL *ssl, int *ad, void *arg) -{ - struct listener_config_t *listener = arg; - const char *server_name = SSL_get_servername(ssl, TLSEXT_NAMETYPE_host_name); - - if (server_name != NULL) { - struct listener_ssl_config_t *resolved = resolve_sni(listener, server_name, strlen(server_name)); - if (resolved->ctx != SSL_get_SSL_CTX(ssl)) - SSL_set_SSL_CTX(ssl, resolved->ctx); - } - - return SSL_TLSEXT_ERR_OK; -} - -#if H2O_USE_PICOTLS -struct st_on_client_hello_ptls_t { - ptls_on_client_hello_t super; - struct listener_config_t *listener; -}; - -static int on_client_hello_ptls(ptls_on_client_hello_t *_self, ptls_t *tls, ptls_iovec_t server_name, - const ptls_iovec_t *negotiated_protocols, size_t num_negotiated_protocols, - const uint16_t *signature_algorithms, size_t num_signature_algorithms) -{ - struct st_on_client_hello_ptls_t *self = (struct st_on_client_hello_ptls_t *)_self; - int ret = 0; - - /* handle SNI */ - if (server_name.base != NULL) { - struct listener_ssl_config_t *resolved = resolve_sni(self->listener, (const char *)server_name.base, server_name.len); - ptls_context_t *newctx = h2o_socket_ssl_get_picotls_context(resolved->ctx); - ptls_set_context(tls, newctx); - ptls_set_server_name(tls, (const char *)server_name.base, server_name.len); - } - - /* handle ALPN */ - if (num_negotiated_protocols != 0) { - const h2o_iovec_t *server_pref; - for (server_pref = h2o_alpn_protocols; server_pref->len != 0; ++server_pref) { - size_t i; - for (i = 0; i != num_negotiated_protocols; ++i) - if (h2o_memis(server_pref->base, server_pref->len, negotiated_protocols[i].base, negotiated_protocols[i].len)) - goto ALPN_Found; - } - return PTLS_ALERT_NO_APPLICATION_PROTOCOL; - ALPN_Found: - if ((ret = ptls_set_negotiated_protocol(tls, server_pref->base, server_pref->len)) != 0) - return ret; - } - - return ret; -} -#endif - -static void update_ocsp_stapling(struct listener_ssl_config_t *ssl_conf, h2o_buffer_t *resp) -{ - pthread_mutex_lock(&ssl_conf->ocsp_stapling.response.mutex); - if (ssl_conf->ocsp_stapling.response.data != NULL) - h2o_buffer_dispose(&ssl_conf->ocsp_stapling.response.data); - ssl_conf->ocsp_stapling.response.data = resp; - pthread_mutex_unlock(&ssl_conf->ocsp_stapling.response.mutex); -} - -static int get_ocsp_response(const char *cert_fn, const char *cmd, h2o_buffer_t **resp) -{ - char *cmd_fullpath = h2o_configurator_get_cmd_path(cmd), *argv[] = {cmd_fullpath, (char *)cert_fn, NULL}; - int child_status, ret; - - if (h2o_read_command(cmd_fullpath, argv, resp, &child_status) != 0) { - fprintf(stderr, "[OCSP Stapling] failed to execute %s:%s\n", cmd, strerror(errno)); - switch (errno) { - case EACCES: - case ENOENT: - case ENOEXEC: - /* permanent errors */ - ret = EX_CONFIG; - goto Exit; - default: - ret = EX_TEMPFAIL; - goto Exit; - } - } - - if (!(WIFEXITED(child_status) && WEXITSTATUS(child_status) == 0)) - h2o_buffer_dispose(resp); - if (!WIFEXITED(child_status)) { - fprintf(stderr, "[OCSP Stapling] command %s was killed by signal %d\n", cmd_fullpath, WTERMSIG(child_status)); - ret = EX_TEMPFAIL; - goto Exit; - } - ret = WEXITSTATUS(child_status); - -Exit: - free(cmd_fullpath); - return ret; -} - -static h2o_sem_t ocsp_updater_semaphore; - -static void *ocsp_updater_thread(void *_ssl_conf) -{ - struct listener_ssl_config_t *ssl_conf = _ssl_conf; - time_t next_at = 0, now; - unsigned fail_cnt = 0; - int status; - h2o_buffer_t *resp; - - assert(ssl_conf->ocsp_stapling.interval != 0); - - while (1) { - /* sleep until next_at */ - if ((now = time(NULL)) < next_at) { - time_t sleep_secs = next_at - now; - sleep(sleep_secs < UINT_MAX ? (unsigned)sleep_secs : UINT_MAX); - continue; - } - /* fetch the response */ - h2o_sem_wait(&ocsp_updater_semaphore); - status = get_ocsp_response(ssl_conf->certificate_file, ssl_conf->ocsp_stapling.cmd, &resp); - h2o_sem_post(&ocsp_updater_semaphore); - switch (status) { - case 0: /* success */ - fail_cnt = 0; - update_ocsp_stapling(ssl_conf, resp); - fprintf(stderr, "[OCSP Stapling] successfully updated the response for certificate file:%s\n", - ssl_conf->certificate_file); - break; - case EX_TEMPFAIL: /* temporary failure */ - if (fail_cnt == ssl_conf->ocsp_stapling.max_failures) { - fprintf(stderr, - "[OCSP Stapling] OCSP stapling is temporary disabled due to repeated errors for certificate file:%s\n", - ssl_conf->certificate_file); - update_ocsp_stapling(ssl_conf, NULL); - } else { - fprintf(stderr, "[OCSP Stapling] reusing old response due to a temporary error occurred while fetching OCSP " - "response for certificate file:%s\n", - ssl_conf->certificate_file); - ++fail_cnt; - } - break; - default: /* permanent failure */ - update_ocsp_stapling(ssl_conf, NULL); - fprintf(stderr, "[OCSP Stapling] disabled for certificate file:%s\n", ssl_conf->certificate_file); - goto Exit; - } - /* update next_at */ - next_at = time(NULL) + ssl_conf->ocsp_stapling.interval; - } - -Exit: - return NULL; -} - -#ifndef OPENSSL_NO_OCSP - -static int on_staple_ocsp_ossl(SSL *ssl, void *_ssl_conf) -{ - struct listener_ssl_config_t *ssl_conf = _ssl_conf; - void *resp = NULL; - size_t len = 0; - - /* fetch ocsp response */ - pthread_mutex_lock(&ssl_conf->ocsp_stapling.response.mutex); - if (ssl_conf->ocsp_stapling.response.data != NULL) { - resp = CRYPTO_malloc((int)ssl_conf->ocsp_stapling.response.data->size, __FILE__, __LINE__); - if (resp != NULL) { - len = ssl_conf->ocsp_stapling.response.data->size; - memcpy(resp, ssl_conf->ocsp_stapling.response.data->bytes, len); - } - } - pthread_mutex_unlock(&ssl_conf->ocsp_stapling.response.mutex); - - if (resp != NULL) { - SSL_set_tlsext_status_ocsp_resp(ssl, resp, len); - return SSL_TLSEXT_ERR_OK; - } else { - return SSL_TLSEXT_ERR_NOACK; - } -} - -#endif - -#if H2O_USE_PICOTLS - -struct st_staple_ocsp_ptls_t { - ptls_staple_ocsp_t super; - struct listener_ssl_config_t *conf; -}; - -static int on_staple_ocsp_ptls(ptls_staple_ocsp_t *_self, ptls_t *tls, ptls_buffer_t *output, size_t cert_index) -{ - struct st_staple_ocsp_ptls_t *self = (struct st_staple_ocsp_ptls_t *)_self; - int locked = 0, ret; - - if (cert_index != 0) { - ret = PTLS_ERROR_LIBRARY; - goto Exit; - } - - pthread_mutex_lock(&self->conf->ocsp_stapling.response.mutex); - locked = 1; - - if (self->conf->ocsp_stapling.response.data == NULL) { - ret = PTLS_ERROR_LIBRARY; - goto Exit; - } - ptls_buffer_pushv(output, self->conf->ocsp_stapling.response.data->bytes, self->conf->ocsp_stapling.response.data->size); - ret = 0; - -Exit: - if (locked) - pthread_mutex_unlock(&self->conf->ocsp_stapling.response.mutex); - return ret; -} - -static const char *listener_setup_ssl_picotls(struct listener_config_t *listener, struct listener_ssl_config_t *ssl_config, - SSL_CTX *ssl_ctx) -{ - static const ptls_key_exchange_algorithm_t *key_exchanges[] = {&ptls_minicrypto_x25519, &ptls_openssl_secp256r1, NULL}; - struct st_fat_context_t { - ptls_context_t ctx; - struct st_on_client_hello_ptls_t ch; - struct st_staple_ocsp_ptls_t so; - ptls_openssl_sign_certificate_t sc; - } *pctx = h2o_mem_alloc(sizeof(*pctx)); - EVP_PKEY *key; - X509 *cert; - STACK_OF(X509) * cert_chain; - int ret; - - *pctx = (struct st_fat_context_t){{ptls_openssl_random_bytes, - &ptls_get_time, - key_exchanges, - ptls_openssl_cipher_suites, - {NULL, 0}, - &pctx->ch.super, - &pctx->so.super, - &pctx->sc.super, - NULL, - 0, - 8192, - 1}, - {{on_client_hello_ptls}, listener}, - {{on_staple_ocsp_ptls}, ssl_config}}; - - { /* obtain key and cert (via fake connection for libressl compatibility) */ - SSL *fakeconn = SSL_new(ssl_ctx); - assert(fakeconn != NULL); - key = SSL_get_privatekey(fakeconn); - assert(key != NULL); - cert = SSL_get_certificate(fakeconn); - assert(cert != NULL); - SSL_free(fakeconn); - } - - if (ptls_openssl_init_sign_certificate(&pctx->sc, key) != 0) { - free(pctx); - return "failed to setup private key"; - } - - SSL_CTX_get_extra_chain_certs(ssl_ctx, &cert_chain); - ret = ptls_openssl_load_certificates(&pctx->ctx, cert, cert_chain); - assert(ret == 0); - - h2o_socket_ssl_set_picotls_context(ssl_ctx, &pctx->ctx); - - return NULL; -} - -#endif - -static void listener_setup_ssl_add_host(struct listener_ssl_config_t *ssl_config, h2o_iovec_t host) -{ - const char *host_end = memchr(host.base, ':', host.len); - if (host_end == NULL) - host_end = host.base + host.len; - - h2o_vector_reserve(NULL, &ssl_config->hostnames, ssl_config->hostnames.size + 1); - ssl_config->hostnames.entries[ssl_config->hostnames.size++] = h2o_iovec_init(host.base, host_end - host.base); -} - -static int listener_setup_ssl(h2o_configurator_command_t *cmd, h2o_configurator_context_t *ctx, yoml_t *listen_node, - yoml_t *ssl_node, struct listener_config_t *listener, int listener_is_new) -{ - SSL_CTX *ssl_ctx = NULL; - yoml_t *certificate_file = NULL, *key_file = NULL, *dh_file = NULL, *min_version = NULL, *max_version = NULL, - *cipher_suite = NULL, *ocsp_update_cmd = NULL, *ocsp_update_interval_node = NULL, *ocsp_max_failures_node = NULL; - long ssl_options = SSL_OP_ALL; - uint64_t ocsp_update_interval = 4 * 60 * 60; /* defaults to 4 hours */ - unsigned ocsp_max_failures = 3; /* defaults to 3; permit 3 failures before temporary disabling OCSP stapling */ - int use_neverbleed = 1, use_picotls = 1; /* enabled by default */ - - if (!listener_is_new) { - if (listener->ssl.size != 0 && ssl_node == NULL) { - h2o_configurator_errprintf(cmd, listen_node, "cannot accept HTTP; already defined to accept HTTPS"); - return -1; - } - if (listener->ssl.size == 0 && ssl_node != NULL) { - h2o_configurator_errprintf(cmd, ssl_node, "cannot accept HTTPS; already defined to accept HTTP"); - return -1; - } - } - - if (ssl_node == NULL) - return 0; - if (ssl_node->type != YOML_TYPE_MAPPING) { - h2o_configurator_errprintf(cmd, ssl_node, "`ssl` is not a mapping"); - return -1; - } - - { /* parse */ - size_t i; - for (i = 0; i != ssl_node->data.sequence.size; ++i) { - yoml_t *key = ssl_node->data.mapping.elements[i].key, *value = ssl_node->data.mapping.elements[i].value; - /* obtain the target command */ - if (key->type != YOML_TYPE_SCALAR) { - h2o_configurator_errprintf(NULL, key, "command must be a string"); - return -1; - } -#define FETCH_PROPERTY(n, p) \ - if (strcmp(key->data.scalar, n) == 0) { \ - if (value->type != YOML_TYPE_SCALAR) { \ - h2o_configurator_errprintf(cmd, value, "property of `" n "` must be a string"); \ - return -1; \ - } \ - p = value; \ - continue; \ - } - FETCH_PROPERTY("certificate-file", certificate_file); - FETCH_PROPERTY("key-file", key_file); - FETCH_PROPERTY("min-version", min_version); - FETCH_PROPERTY("minimum-version", min_version); - FETCH_PROPERTY("max-version", max_version); - FETCH_PROPERTY("maximum-version", max_version); - FETCH_PROPERTY("cipher-suite", cipher_suite); - FETCH_PROPERTY("ocsp-update-cmd", ocsp_update_cmd); - FETCH_PROPERTY("ocsp-update-interval", ocsp_update_interval_node); - FETCH_PROPERTY("ocsp-max-failures", ocsp_max_failures_node); - FETCH_PROPERTY("dh-file", dh_file); - if (strcmp(key->data.scalar, "cipher-preference") == 0) { - if (value->type == YOML_TYPE_SCALAR && strcasecmp(value->data.scalar, "client") == 0) { - ssl_options &= ~SSL_OP_CIPHER_SERVER_PREFERENCE; - } else if (value->type == YOML_TYPE_SCALAR && strcasecmp(value->data.scalar, "server") == 0) { - ssl_options |= SSL_OP_CIPHER_SERVER_PREFERENCE; - } else { - h2o_configurator_errprintf(cmd, value, "property of `cipher-preference` must be either of: `client`, `server`"); - return -1; - } - continue; - } - if (strcmp(key->data.scalar, "neverbleed") == 0) { - if (value->type == YOML_TYPE_SCALAR && strcasecmp(value->data.scalar, "ON") == 0) { - /* no need to enable neverbleed for daemon / master */ - use_neverbleed = 1; - } else if (value->type == YOML_TYPE_SCALAR && strcasecmp(value->data.scalar, "OFF") == 0) { - use_neverbleed = 0; - } else { - h2o_configurator_errprintf(cmd, value, "property of `neverbleed` must be either of: `ON`, `OFF"); - return -1; - } - continue; - } - h2o_configurator_errprintf(cmd, key, "unknown property: %s", key->data.scalar); - return -1; -#undef FETCH_PROPERTY - } - if (certificate_file == NULL) { - h2o_configurator_errprintf(cmd, ssl_node, "could not find mandatory property `certificate-file`"); - return -1; - } - if (key_file == NULL) { - h2o_configurator_errprintf(cmd, ssl_node, "could not find mandatory property `key-file`"); - return -1; - } - if (min_version != NULL) { -#define MAP(tok, op) \ - if (strcasecmp(min_version->data.scalar, tok) == 0) { \ - ssl_options |= (op); \ - goto VersionFound; \ - } - MAP("sslv2", 0); - MAP("sslv3", SSL_OP_NO_SSLv2); - MAP("tlsv1", SSL_OP_NO_SSLv2 | SSL_OP_NO_SSLv3); - MAP("tlsv1.1", SSL_OP_NO_SSLv2 | SSL_OP_NO_SSLv3 | SSL_OP_NO_TLSv1); -#ifdef SSL_OP_NO_TLSv1_1 - MAP("tlsv1.2", SSL_OP_NO_SSLv2 | SSL_OP_NO_SSLv3 | SSL_OP_NO_TLSv1 | SSL_OP_NO_TLSv1_1); -#endif -#ifdef SSL_OP_NO_TLSv1_2 - MAP("tlsv1.3", SSL_OP_NO_SSLv2 | SSL_OP_NO_SSLv3 | SSL_OP_NO_TLSv1 | SSL_OP_NO_TLSv1_1 | SSL_OP_NO_TLSv1_2); -#endif -#undef MAP - h2o_configurator_errprintf(cmd, min_version, "unknown protocol version: %s", min_version->data.scalar); - VersionFound:; - } else { - /* default is >= TLSv1 */ - ssl_options |= SSL_OP_NO_SSLv2 | SSL_OP_NO_SSLv3; - } - if (max_version != NULL) { - if (strcasecmp(max_version->data.scalar, "tlsv1.3") < 0) - use_picotls = 0; - } - if (ocsp_update_interval_node != NULL) { - if (h2o_configurator_scanf(cmd, ocsp_update_interval_node, "%" PRIu64, &ocsp_update_interval) != 0) - goto Error; - } - if (ocsp_max_failures_node != NULL) { - if (h2o_configurator_scanf(cmd, ocsp_max_failures_node, "%u", &ocsp_max_failures) != 0) - goto Error; - } - } - - /* add the host to the existing SSL config, if the certificate file is already registered */ - if (ctx->hostconf != NULL) { - size_t i; - for (i = 0; i != listener->ssl.size; ++i) { - struct listener_ssl_config_t *ssl_config = listener->ssl.entries[i]; - if (strcmp(ssl_config->certificate_file, certificate_file->data.scalar) == 0) { - listener_setup_ssl_add_host(ssl_config, ctx->hostconf->authority.hostport); - return 0; - } - } - } - -/* disable tls compression to avoid "CRIME" attacks (see http://en.wikipedia.org/wiki/CRIME) */ -#ifdef SSL_OP_NO_COMPRESSION - ssl_options |= SSL_OP_NO_COMPRESSION; -#endif - - /* setup */ - ssl_ctx = SSL_CTX_new(SSLv23_server_method()); - SSL_CTX_set_options(ssl_ctx, ssl_options); - - setup_ecc_key(ssl_ctx); - if (SSL_CTX_use_certificate_chain_file(ssl_ctx, certificate_file->data.scalar) != 1) { - h2o_configurator_errprintf(cmd, certificate_file, "failed to load certificate file:%s\n", certificate_file->data.scalar); - ERR_print_errors_cb(on_openssl_print_errors, stderr); - goto Error; - } - if (use_neverbleed) { - /* disable neverbleed in case the process is not going to serve requests */ - switch (conf.run_mode) { - case RUN_MODE_DAEMON: - case RUN_MODE_MASTER: - use_neverbleed = 0; - break; - default: - break; - } - } - if (use_neverbleed) { - char errbuf[NEVERBLEED_ERRBUF_SIZE]; - if (neverbleed == NULL) { - neverbleed = h2o_mem_alloc(sizeof(*neverbleed)); - if (neverbleed_init(neverbleed, errbuf) != 0) { - fprintf(stderr, "%s\n", errbuf); - abort(); - } - } - if (neverbleed_load_private_key_file(neverbleed, ssl_ctx, key_file->data.scalar, errbuf) != 1) { - h2o_configurator_errprintf(cmd, key_file, "failed to load private key file:%s:%s\n", key_file->data.scalar, errbuf); - goto Error; - } - } else { - if (SSL_CTX_use_PrivateKey_file(ssl_ctx, key_file->data.scalar, SSL_FILETYPE_PEM) != 1) { - h2o_configurator_errprintf(cmd, key_file, "failed to load private key file:%s\n", key_file->data.scalar); - ERR_print_errors_cb(on_openssl_print_errors, stderr); - goto Error; - } - } - if (cipher_suite != NULL && SSL_CTX_set_cipher_list(ssl_ctx, cipher_suite->data.scalar) != 1) { - h2o_configurator_errprintf(cmd, cipher_suite, "failed to setup SSL cipher suite\n"); - ERR_print_errors_cb(on_openssl_print_errors, stderr); - goto Error; - } - if (dh_file != NULL) { - BIO *bio = BIO_new_file(dh_file->data.scalar, "r"); - if (bio == NULL) { - h2o_configurator_errprintf(cmd, dh_file, "failed to load dhparam file:%s\n", dh_file->data.scalar); - ERR_print_errors_cb(on_openssl_print_errors, stderr); - goto Error; - } - DH *dh = PEM_read_bio_DHparams(bio, NULL, NULL, NULL); - BIO_free(bio); - if (dh == NULL) { - h2o_configurator_errprintf(cmd, dh_file, "failed to load dhparam file:%s\n", dh_file->data.scalar); - ERR_print_errors_cb(on_openssl_print_errors, stderr); - goto Error; - } - SSL_CTX_set_tmp_dh(ssl_ctx, dh); - SSL_CTX_set_options(ssl_ctx, SSL_OP_SINGLE_DH_USE); - DH_free(dh); - } - -/* setup protocol negotiation methods */ -#if H2O_USE_NPN - h2o_ssl_register_npn_protocols(ssl_ctx, h2o_npn_protocols); -#endif -#if H2O_USE_ALPN - h2o_ssl_register_alpn_protocols(ssl_ctx, h2o_alpn_protocols); -#endif - - /* set SNI callback to the first SSL context, when and only when it should be used */ - if (listener->ssl.size == 1) { - SSL_CTX_set_tlsext_servername_callback(listener->ssl.entries[0]->ctx, on_sni_callback); - SSL_CTX_set_tlsext_servername_arg(listener->ssl.entries[0]->ctx, listener); - } - - /* create a new entry in the SSL context list */ - struct listener_ssl_config_t *ssl_config = h2o_mem_alloc(sizeof(*ssl_config)); - memset(ssl_config, 0, sizeof(*ssl_config)); - h2o_vector_reserve(NULL, &listener->ssl, listener->ssl.size + 1); - listener->ssl.entries[listener->ssl.size++] = ssl_config; - if (ctx->hostconf != NULL) { - listener_setup_ssl_add_host(ssl_config, ctx->hostconf->authority.hostport); - } - ssl_config->ctx = ssl_ctx; - ssl_config->certificate_file = h2o_strdup(NULL, certificate_file->data.scalar, SIZE_MAX).base; - -#if !H2O_USE_OCSP - if (ocsp_update_interval != 0) - fprintf(stderr, "[OCSP Stapling] disabled (not support by the SSL library)\n"); -#else -#ifndef OPENSSL_NO_OCSP - SSL_CTX_set_tlsext_status_cb(ssl_ctx, on_staple_ocsp_ossl); - SSL_CTX_set_tlsext_status_arg(ssl_ctx, ssl_config); -#endif - pthread_mutex_init(&ssl_config->ocsp_stapling.response.mutex, NULL); - ssl_config->ocsp_stapling.cmd = - ocsp_update_cmd != NULL ? h2o_strdup(NULL, ocsp_update_cmd->data.scalar, SIZE_MAX).base : "share/h2o/fetch-ocsp-response"; - if (ocsp_update_interval != 0) { - switch (conf.run_mode) { - case RUN_MODE_WORKER: - ssl_config->ocsp_stapling.interval = - ocsp_update_interval; /* is also used as a flag for indicating if the updater thread was spawned */ - ssl_config->ocsp_stapling.max_failures = ocsp_max_failures; - h2o_multithread_create_thread(&ssl_config->ocsp_stapling.updater_tid, NULL, ocsp_updater_thread, ssl_config); - break; - case RUN_MODE_MASTER: - case RUN_MODE_DAEMON: - /* nothing to do */ - break; - case RUN_MODE_TEST: { - h2o_buffer_t *respbuf; - fprintf(stderr, "[OCSP Stapling] testing for certificate file:%s\n", certificate_file->data.scalar); - switch (get_ocsp_response(certificate_file->data.scalar, ssl_config->ocsp_stapling.cmd, &respbuf)) { - case 0: - h2o_buffer_dispose(&respbuf); - fprintf(stderr, "[OCSP Stapling] stapling works for file:%s\n", certificate_file->data.scalar); - break; - case EX_TEMPFAIL: - h2o_configurator_errprintf(cmd, certificate_file, "[OCSP Stapling] temporary failed for file:%s\n", - certificate_file->data.scalar); - break; - default: - h2o_configurator_errprintf(cmd, certificate_file, "[OCSP Stapling] does not work, will be disabled for file:%s\n", - certificate_file->data.scalar); - break; - } - } break; - } - } -#endif - -#if H2O_USE_PICOTLS - if (use_picotls) { - const char *errstr = listener_setup_ssl_picotls(listener, ssl_config, ssl_ctx); - if (errstr != NULL) - h2o_configurator_errprintf(cmd, ssl_node, "%s; TLS 1.3 will be disabled\n", errstr); - } -#endif - - return 0; - -Error: - if (ssl_ctx != NULL) - SSL_CTX_free(ssl_ctx); - return -1; -} - -static struct listener_config_t *find_listener(struct sockaddr *addr, socklen_t addrlen) -{ - size_t i; - - for (i = 0; i != conf.num_listeners; ++i) { - struct listener_config_t *listener = conf.listeners[i]; - if (listener->addrlen == addrlen && h2o_socket_compare_address((void *)&listener->addr, addr) == 0) - return listener; - } - - return NULL; -} - -static struct listener_config_t *add_listener(int fd, struct sockaddr *addr, socklen_t addrlen, int is_global, int proxy_protocol) -{ - struct listener_config_t *listener = h2o_mem_alloc(sizeof(*listener)); - - memcpy(&listener->addr, addr, addrlen); - listener->fd = fd; - listener->addrlen = addrlen; - if (is_global) { - listener->hosts = NULL; - } else { - listener->hosts = h2o_mem_alloc(sizeof(listener->hosts[0])); - listener->hosts[0] = NULL; - } - memset(&listener->ssl, 0, sizeof(listener->ssl)); - listener->proxy_protocol = proxy_protocol; - - conf.listeners = h2o_mem_realloc(conf.listeners, sizeof(*conf.listeners) * (conf.num_listeners + 1)); - conf.listeners[conf.num_listeners++] = listener; - - return listener; -} - -static int find_listener_from_server_starter(struct sockaddr *addr) -{ - size_t i; - - assert(conf.server_starter.fds != NULL); - assert(conf.server_starter.num_fds != 0); - - for (i = 0; i != conf.server_starter.num_fds; ++i) { - struct sockaddr_storage sa; - socklen_t salen = sizeof(sa); - if (getsockname(conf.server_starter.fds[i], (void *)&sa, &salen) != 0) { - fprintf(stderr, "could not get the socket address of fd %d given as $SERVER_STARTER_PORT\n", - conf.server_starter.fds[i]); - exit(EX_CONFIG); - } - if (h2o_socket_compare_address((void *)&sa, addr) == 0) - goto Found; - } - /* not found */ - return -1; - -Found: - conf.server_starter.bound_fd_map[i] = 1; - return conf.server_starter.fds[i]; -} - -static int open_unix_listener(h2o_configurator_command_t *cmd, yoml_t *node, struct sockaddr_un *sa) -{ - struct stat st; - int fd = -1; - struct passwd *owner = NULL, pwbuf; - char pwbuf_buf[65536]; - unsigned mode = UINT_MAX; - yoml_t *t; - - /* obtain owner and permission */ - if ((t = yoml_get(node, "owner")) != NULL) { - if (t->type != YOML_TYPE_SCALAR) { - h2o_configurator_errprintf(cmd, t, "`owner` is not a scalar"); - goto ErrorExit; - } - if (getpwnam_r(t->data.scalar, &pwbuf, pwbuf_buf, sizeof(pwbuf_buf), &owner) != 0 || owner == NULL) { - h2o_configurator_errprintf(cmd, t, "failed to obtain uid of user:%s: %s", t->data.scalar, strerror(errno)); - goto ErrorExit; - } - } - if ((t = yoml_get(node, "permission")) != NULL) { - if (t->type != YOML_TYPE_SCALAR || sscanf(t->data.scalar, "%o", &mode) != 1) { - h2o_configurator_errprintf(cmd, t, "`permission` must be an octal number"); - goto ErrorExit; - } - } - - /* remove existing socket file as suggested in #45 */ - if (lstat(sa->sun_path, &st) == 0) { - if (S_ISSOCK(st.st_mode)) { - unlink(sa->sun_path); - } else { - h2o_configurator_errprintf(cmd, node, "path:%s already exists and is not an unix socket.", sa->sun_path); - goto ErrorExit; - } - } - - /* add new listener */ - if ((fd = socket(AF_UNIX, SOCK_STREAM, 0)) == -1 || bind(fd, (void *)sa, sizeof(*sa)) != 0 || listen(fd, H2O_SOMAXCONN) != 0) { - h2o_configurator_errprintf(NULL, node, "failed to listen to socket:%s: %s", sa->sun_path, strerror(errno)); - goto ErrorExit; - } - set_cloexec(fd); - - /* set file owner and permission */ - if (owner != NULL && chown(sa->sun_path, owner->pw_uid, owner->pw_gid) != 0) { - h2o_configurator_errprintf(NULL, node, "failed to chown socket:%s to %s: %s", sa->sun_path, owner->pw_name, - strerror(errno)); - goto ErrorExit; - } - if (mode != UINT_MAX && chmod(sa->sun_path, mode) != 0) { - h2o_configurator_errprintf(NULL, node, "failed to chmod socket:%s to %o: %s", sa->sun_path, mode, strerror(errno)); - goto ErrorExit; - } - - return fd; - -ErrorExit: - if (fd != -1) - close(fd); - return -1; -} - -static int open_tcp_listener(h2o_configurator_command_t *cmd, yoml_t *node, const char *hostname, const char *servname, int domain, - int type, int protocol, struct sockaddr *addr, socklen_t addrlen) -{ - int fd; - - if ((fd = socket(domain, type, protocol)) == -1) - goto Error; - set_cloexec(fd); - { /* set reuseaddr */ - int flag = 1; - if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &flag, sizeof(flag)) != 0) - goto Error; - } -#ifdef TCP_DEFER_ACCEPT - { /* set TCP_DEFER_ACCEPT */ - int flag = 1; - if (setsockopt(fd, IPPROTO_TCP, TCP_DEFER_ACCEPT, &flag, sizeof(flag)) != 0) - goto Error; - } -#endif -#ifdef IPV6_V6ONLY - /* set IPv6only */ - if (domain == AF_INET6) { - int flag = 1; - if (setsockopt(fd, IPPROTO_IPV6, IPV6_V6ONLY, &flag, sizeof(flag)) != 0) - goto Error; - } -#endif - if (bind(fd, addr, addrlen) != 0) - goto Error; - if (listen(fd, H2O_SOMAXCONN) != 0) - goto Error; - - /* set TCP_FASTOPEN; when tfo_queues is zero TFO is always disabled */ - if (conf.tfo_queues > 0) { -#ifdef TCP_FASTOPEN - int tfo_queues; -#ifdef __APPLE__ - /* In OS X, the option value for TCP_FASTOPEN must be 1 if is's enabled */ - tfo_queues = 1; -#else - tfo_queues = conf.tfo_queues; -#endif - if (setsockopt(fd, IPPROTO_TCP, TCP_FASTOPEN, (const void *)&tfo_queues, sizeof(tfo_queues)) != 0) - fprintf(stderr, "[warning] failed to set TCP_FASTOPEN:%s\n", strerror(errno)); -#else - assert(!"conf.tfo_queues not zero on platform without TCP_FASTOPEN"); -#endif - } - - return fd; - -Error: - if (fd != -1) - close(fd); - h2o_configurator_errprintf(NULL, node, "failed to listen to port %s:%s: %s", hostname != NULL ? hostname : "ANY", servname, - strerror(errno)); - return -1; -} - -static int on_config_listen(h2o_configurator_command_t *cmd, h2o_configurator_context_t *ctx, yoml_t *node) -{ - const char *hostname = NULL, *servname = NULL, *type = "tcp"; - yoml_t *ssl_node = NULL; - int proxy_protocol = 0; - - /* fetch servname (and hostname) */ - switch (node->type) { - case YOML_TYPE_SCALAR: - servname = node->data.scalar; - break; - case YOML_TYPE_MAPPING: { - yoml_t *t; - if ((t = yoml_get(node, "host")) != NULL) { - if (t->type != YOML_TYPE_SCALAR) { - h2o_configurator_errprintf(cmd, t, "`host` is not a string"); - return -1; - } - hostname = t->data.scalar; - } - if ((t = yoml_get(node, "port")) == NULL) { - h2o_configurator_errprintf(cmd, node, "cannot find mandatory property `port`"); - return -1; - } - if (t->type != YOML_TYPE_SCALAR) { - h2o_configurator_errprintf(cmd, node, "`port` is not a string"); - return -1; - } - servname = t->data.scalar; - if ((t = yoml_get(node, "type")) != NULL) { - if (t->type != YOML_TYPE_SCALAR) { - h2o_configurator_errprintf(cmd, t, "`type` is not a string"); - return -1; - } - type = t->data.scalar; - } - if ((t = yoml_get(node, "ssl")) != NULL) - ssl_node = t; - if ((t = yoml_get(node, "proxy-protocol")) != NULL) { - if (t->type != YOML_TYPE_SCALAR) { - h2o_configurator_errprintf(cmd, node, "`proxy-protocol` must be a string"); - return -1; - } - if (strcasecmp(t->data.scalar, "ON") == 0) { - proxy_protocol = 1; - } else if (strcasecmp(t->data.scalar, "OFF") == 0) { - proxy_protocol = 0; - } else { - h2o_configurator_errprintf(cmd, node, "value of `proxy-protocol` must be either of: ON,OFF"); - return -1; - } - } - } break; - default: - h2o_configurator_errprintf(cmd, node, "value must be a string or a mapping (with keys: `port` and optionally `host`)"); - return -1; - } - - if (strcmp(type, "unix") == 0) { - - /* unix socket */ - struct sockaddr_un sa; - int listener_is_new; - struct listener_config_t *listener; - /* build sockaddr */ - memset(&sa, 0, sizeof(sa)); - if (strlen(servname) >= sizeof(sa.sun_path)) { - h2o_configurator_errprintf(cmd, node, "path:%s is too long as a unix socket name", servname); - return -1; - } - sa.sun_family = AF_UNIX; - strcpy(sa.sun_path, servname); - /* find existing listener or create a new one */ - listener_is_new = 0; - if ((listener = find_listener((void *)&sa, sizeof(sa))) == NULL) { - int fd = -1; - switch (conf.run_mode) { - case RUN_MODE_WORKER: - if (conf.server_starter.fds != NULL) { - if ((fd = find_listener_from_server_starter((void *)&sa)) == -1) { - h2o_configurator_errprintf(cmd, node, "unix socket:%s is not being bound to the server\n", sa.sun_path); - return -1; - } - } else { - if ((fd = open_unix_listener(cmd, node, &sa)) == -1) - return -1; - } - break; - default: - break; - } - listener = add_listener(fd, (struct sockaddr *)&sa, sizeof(sa), ctx->hostconf == NULL, proxy_protocol); - listener_is_new = 1; - } else if (listener->proxy_protocol != proxy_protocol) { - goto ProxyConflict; - } - if (listener_setup_ssl(cmd, ctx, node, ssl_node, listener, listener_is_new) != 0) - return -1; - if (listener->hosts != NULL && ctx->hostconf != NULL) - h2o_append_to_null_terminated_list((void *)&listener->hosts, ctx->hostconf); - - } else if (strcmp(type, "tcp") == 0) { - - /* TCP socket */ - struct addrinfo hints, *res, *ai; - int error; - /* call getaddrinfo */ - memset(&hints, 0, sizeof(hints)); - hints.ai_socktype = SOCK_STREAM; - hints.ai_protocol = IPPROTO_TCP; - hints.ai_flags = AI_ADDRCONFIG | AI_NUMERICSERV | AI_PASSIVE; - if ((error = getaddrinfo(hostname, servname, &hints, &res)) != 0) { - h2o_configurator_errprintf(cmd, node, "failed to resolve the listening address: %s", gai_strerror(error)); - return -1; - } else if (res == NULL) { - h2o_configurator_errprintf(cmd, node, "failed to resolve the listening address: getaddrinfo returned an empty list"); - return -1; - } - /* listen to the returned addresses */ - for (ai = res; ai != NULL; ai = ai->ai_next) { - struct listener_config_t *listener = find_listener(ai->ai_addr, ai->ai_addrlen); - int listener_is_new = 0; - if (listener == NULL) { - int fd = -1; - switch (conf.run_mode) { - case RUN_MODE_WORKER: - if (conf.server_starter.fds != NULL) { - if ((fd = find_listener_from_server_starter(ai->ai_addr)) == -1) { - h2o_configurator_errprintf(cmd, node, "tcp socket:%s:%s is not being bound to the server\n", hostname, - servname); - freeaddrinfo(res); - return -1; - } - } else { - if ((fd = open_tcp_listener(cmd, node, hostname, servname, ai->ai_family, ai->ai_socktype, ai->ai_protocol, - ai->ai_addr, ai->ai_addrlen)) == -1) { - freeaddrinfo(res); - return -1; - } - } - break; - default: - break; - } - listener = add_listener(fd, ai->ai_addr, ai->ai_addrlen, ctx->hostconf == NULL, proxy_protocol); - listener_is_new = 1; - } else if (listener->proxy_protocol != proxy_protocol) { - freeaddrinfo(res); - goto ProxyConflict; - } - if (listener_setup_ssl(cmd, ctx, node, ssl_node, listener, listener_is_new) != 0) { - freeaddrinfo(res); - return -1; - } - if (listener->hosts != NULL && ctx->hostconf != NULL) - h2o_append_to_null_terminated_list((void *)&listener->hosts, ctx->hostconf); - } - /* release res */ - freeaddrinfo(res); - - } else { - - h2o_configurator_errprintf(cmd, node, "unknown listen type: %s", type); - return -1; - } - - return 0; - -ProxyConflict: - h2o_configurator_errprintf(cmd, node, "`proxy-protocol` cannot be turned %s, already defined as opposite", - proxy_protocol ? "on" : "off"); - return -1; -} - -static int on_config_listen_enter(h2o_configurator_t *_configurator, h2o_configurator_context_t *ctx, yoml_t *node) -{ - return 0; -} - -static int on_config_listen_exit(h2o_configurator_t *_configurator, h2o_configurator_context_t *ctx, yoml_t *node) -{ - if (ctx->pathconf != NULL) { - /* skip */ - } else if (ctx->hostconf == NULL) { - /* at global level: bind all hostconfs to the global-level listeners */ - size_t i; - for (i = 0; i != conf.num_listeners; ++i) { - struct listener_config_t *listener = conf.listeners[i]; - if (listener->hosts == NULL) - listener->hosts = conf.globalconf.hosts; - } - } else if (ctx->pathconf == NULL) { - /* at host-level */ - if (conf.num_listeners == 0) { - h2o_configurator_errprintf( - NULL, node, - "mandatory configuration directive `listen` does not exist, neither at global level or at this host level"); - return -1; - } - } - - return 0; -} - -static int on_config_user(h2o_configurator_command_t *cmd, h2o_configurator_context_t *ctx, yoml_t *node) -{ - errno = 0; - if (getpwnam(node->data.scalar) == NULL) { - if (errno == 0) { - h2o_configurator_errprintf(cmd, node, "user:%s does not exist", node->data.scalar); - } else { - perror("getpwnam"); - } - return -1; - } - ctx->globalconf->user = h2o_strdup(NULL, node->data.scalar, SIZE_MAX).base; - return 0; -} - -static int on_config_pid_file(h2o_configurator_command_t *cmd, h2o_configurator_context_t *ctx, yoml_t *node) -{ - conf.pid_file = h2o_strdup(NULL, node->data.scalar, SIZE_MAX).base; - return 0; -} - -static int on_config_error_log(h2o_configurator_command_t *cmd, h2o_configurator_context_t *ctx, yoml_t *node) -{ - conf.error_log = h2o_strdup(NULL, node->data.scalar, SIZE_MAX).base; - return 0; -} - -static int on_config_max_connections(h2o_configurator_command_t *cmd, h2o_configurator_context_t *ctx, yoml_t *node) -{ - return h2o_configurator_scanf(cmd, node, "%d", &conf.max_connections); -} - -static int on_config_num_threads(h2o_configurator_command_t *cmd, h2o_configurator_context_t *ctx, yoml_t *node) -{ - if (h2o_configurator_scanf(cmd, node, "%zu", &conf.num_threads) != 0) - return -1; - if (conf.num_threads == 0) { - h2o_configurator_errprintf(cmd, node, "num-threads must be >=1"); - return -1; - } - return 0; -} - -static int on_config_num_name_resolution_threads(h2o_configurator_command_t *cmd, h2o_configurator_context_t *ctx, yoml_t *node) -{ - if (h2o_configurator_scanf(cmd, node, "%zu", &h2o_hostinfo_max_threads) != 0) - return -1; - if (h2o_hostinfo_max_threads == 0) { - h2o_configurator_errprintf(cmd, node, "num-name-resolution-threads must be >=1"); - return -1; - } - return 0; -} - -static int on_config_tcp_fastopen(h2o_configurator_command_t *cmd, h2o_configurator_context_t *ctx, yoml_t *node) -{ - if (h2o_configurator_scanf(cmd, node, "%d", &conf.tfo_queues) != 0) - return -1; -#ifndef TCP_FASTOPEN - if (conf.tfo_queues != 0) { - h2o_configurator_errprintf(cmd, node, "[warning] ignoring the value; the platform does not support TCP_FASTOPEN"); - conf.tfo_queues = 0; - } -#endif - return 0; -} - -static int on_config_num_ocsp_updaters(h2o_configurator_command_t *cmd, h2o_configurator_context_t *ctx, yoml_t *node) -{ - ssize_t n; - if (h2o_configurator_scanf(cmd, node, "%zd", &n) != 0) - return -1; - if (n <= 0) { - h2o_configurator_errprintf(cmd, node, "num-ocsp-updaters must be >=1"); - return -1; - } - h2o_sem_set_capacity(&ocsp_updater_semaphore, n); - return 0; -} - -static int on_config_temp_buffer_path(h2o_configurator_command_t *cmd, h2o_configurator_context_t *ctx, yoml_t *node) -{ - char buf[sizeof(h2o_socket_buffer_mmap_settings.fn_template)]; - - int len = snprintf(buf, sizeof(buf), "%s%s", node->data.scalar, strrchr(h2o_socket_buffer_mmap_settings.fn_template, '/')); - if (len >= sizeof(buf)) { - h2o_configurator_errprintf(cmd, node, "path is too long"); - return -1; - } - strcpy(h2o_socket_buffer_mmap_settings.fn_template, buf); - - return 0; -} - -static int on_config_crash_handler(h2o_configurator_command_t *cmd, h2o_configurator_context_t *ctx, yoml_t *node) -{ - conf.crash_handler = h2o_strdup(NULL, node->data.scalar, SIZE_MAX).base; - return 0; -} - -static int on_config_crash_handler_wait_pipe_close(h2o_configurator_command_t *cmd, h2o_configurator_context_t *ctx, yoml_t *node) -{ - ssize_t v; - - if ((v = h2o_configurator_get_one_of(cmd, node, "OFF,ON")) == -1) - return -1; - - conf.crash_handler_wait_pipe_close = (int)v; - return 0; -} - -static yoml_t *load_config(yoml_parse_args_t *parse_args, yoml_t *source) -{ - FILE *fp; - yaml_parser_t parser; - yoml_t *yoml; - - if ((fp = fopen(parse_args->filename, "rb")) == NULL) { - fprintf(stderr, "could not open configuration file %s: %s\n", parse_args->filename, strerror(errno)); - return NULL; - } - - yaml_parser_initialize(&parser); - yaml_parser_set_input_file(&parser, fp); - - yoml = yoml_parse_document(&parser, NULL, parse_args); - - if (yoml == NULL) { - fprintf(stderr, "failed to parse configuration file %s line %d", parse_args->filename, (int)parser.problem_mark.line + 1); - if (source != NULL) { - fprintf(stderr, " (included from file %s line %d)", source->filename, (int)source->line + 1); - } - fprintf(stderr, ": %s\n", parser.problem); - } - - yaml_parser_delete(&parser); - - fclose(fp); - - return yoml; -} - -static yoml_t *resolve_tag(const char *tag, yoml_t *node, void *cb_arg); -static yoml_t *resolve_file_tag(yoml_t *node, resolve_tag_arg_t *arg) -{ - size_t i; - yoml_t *loaded; - - if (node->type != YOML_TYPE_SCALAR) { - fprintf(stderr, "value of the !file node must be a scalar"); - return NULL; - } - - char *filename = node->data.scalar; - - /* check cache */ - for (i = 0; i != arg->node_cache.size; ++i) { - resolve_tag_node_cache_entry_t *cached = arg->node_cache.entries + i; - if (strcmp(filename, cached->filename.base) == 0) { - ++cached->node->_refcnt; - return cached->node; - } - } - - yoml_parse_args_t parse_args = { - filename, /* filename */ - NULL, /* mem_set */ - {resolve_tag, arg} /* resolve_tag */ - }; - loaded = load_config(&parse_args, node); - - if (loaded != NULL) { - /* cache newly loaded node */ - h2o_vector_reserve(NULL, &arg->node_cache, arg->node_cache.size + 1); - resolve_tag_node_cache_entry_t entry = {h2o_strdup(NULL, filename, SIZE_MAX), loaded}; - arg->node_cache.entries[arg->node_cache.size++] = entry; - ++loaded->_refcnt; - } - - return loaded; -} - -static yoml_t *resolve_tag(const char *tag, yoml_t *node, void *cb_arg) -{ - resolve_tag_arg_t *arg = (resolve_tag_arg_t *)cb_arg; - - if (strcmp(tag, "!file") == 0) { - return resolve_file_tag(node, arg); - } - - /* otherwise, return the node itself */ - ++node->_refcnt; - return node; -} - -static void dispose_resolve_tag_arg(resolve_tag_arg_t *arg) -{ - size_t i; - for (i = 0; i != arg->node_cache.size; ++i) { - resolve_tag_node_cache_entry_t *cached = arg->node_cache.entries + i; - free(cached->filename.base); - yoml_free(cached->node, NULL); - } - free(arg->node_cache.entries); -} - -static void notify_all_threads(void) -{ - unsigned i; - for (i = 0; i != conf.num_threads; ++i) - h2o_multithread_send_message(&conf.threads[i].server_notifications, NULL); -} - -static void on_sigterm(int signo) -{ - conf.shutdown_requested = 1; - if (!h2o_barrier_done(&conf.startup_sync_barrier)) { - /* initialization hasn't completed yet, exit right away */ - exit(0); - } - notify_all_threads(); -} - -#ifdef __GLIBC__ -static int popen_crash_handler(void) -{ - char *cmd_fullpath = h2o_configurator_get_cmd_path(conf.crash_handler), *argv[] = {cmd_fullpath, NULL}; - int pipefds[2]; - - /* create pipe */ - if (pipe(pipefds) != 0) { - perror("pipe failed"); - return -1; - } - if (fcntl(pipefds[1], F_SETFD, FD_CLOEXEC) == -1) { - perror("failed to set FD_CLOEXEC on pipefds[1]"); - return -1; - } - /* spawn the logger */ - int mapped_fds[] = {pipefds[0], 0, /* output of the pipe is connected to STDIN of the spawned process */ - 2, 1, /* STDOUT of the spawned process in connected to STDERR of h2o */ - -1}; - if (h2o_spawnp(cmd_fullpath, argv, mapped_fds, 0) == -1) { - /* silently ignore error */ - close(pipefds[0]); - close(pipefds[1]); - return -1; - } - /* do the rest, and return the fd */ - close(pipefds[0]); - return pipefds[1]; -} - -static int crash_handler_fd = -1; - -static void on_sigfatal(int signo) -{ - fprintf(stderr, "received fatal signal %d\n", signo); - - h2o_set_signal_handler(signo, SIG_DFL); - - void *frames[128]; - int framecnt = backtrace(frames, sizeof(frames) / sizeof(frames[0])); - backtrace_symbols_fd(frames, framecnt, crash_handler_fd); - - if (conf.crash_handler_wait_pipe_close) { - struct pollfd pfd[1]; - pfd[0].fd = crash_handler_fd; - pfd[0].events = POLLERR | POLLHUP; - while (poll(pfd, 1, -1) == -1 && errno == EINTR) - ; - } - - raise(signo); -} -#endif - -static void setup_signal_handlers(void) -{ - h2o_set_signal_handler(SIGTERM, on_sigterm); - h2o_set_signal_handler(SIGPIPE, SIG_IGN); -#ifdef __GLIBC__ - if ((crash_handler_fd = popen_crash_handler()) == -1) - crash_handler_fd = 2; - h2o_set_signal_handler(SIGABRT, on_sigfatal); - h2o_set_signal_handler(SIGBUS, on_sigfatal); - h2o_set_signal_handler(SIGFPE, on_sigfatal); - h2o_set_signal_handler(SIGILL, on_sigfatal); - h2o_set_signal_handler(SIGSEGV, on_sigfatal); -#endif -} - -static int num_connections(int delta) -{ - return __sync_fetch_and_add(&conf.state._num_connections, delta); -} - -static unsigned long num_sessions(int delta) -{ - return __sync_fetch_and_add(&conf.state._num_sessions, delta); -} - -static void on_socketclose(void *data) -{ - int prev_num_connections = num_connections(-1); - - if (prev_num_connections == conf.max_connections) { - /* ready to accept new connections. wake up all the threads! */ - notify_all_threads(); - } -} - -static void on_accept(h2o_socket_t *listener, const char *err) -{ - struct listener_ctx_t *ctx = listener->data; - size_t num_accepts = conf.max_connections / 16 / conf.num_threads; - if (num_accepts < 8) - num_accepts = 8; - - if (err != NULL) { - return; - } - - do { - h2o_socket_t *sock; - if (num_connections(0) >= conf.max_connections) { - /* The accepting socket is disactivated before entering the next in `run_loop`. - * Note: it is possible that the server would accept at most `max_connections + num_threads` connections, since the - * server does not check if the number of connections has exceeded _after_ epoll notifies of a new connection _but_ - * _before_ calling `accept`. In other words t/40max-connections.t may fail. - */ - break; - } - if ((sock = h2o_evloop_socket_accept(listener)) == NULL) { - break; - } - num_connections(1); - num_sessions(1); - - sock->on_close.cb = on_socketclose; - sock->on_close.data = ctx->accept_ctx.ctx; - - h2o_accept(&ctx->accept_ctx, sock); - - } while (--num_accepts != 0); -} - -static void update_listener_state(struct listener_ctx_t *listeners) -{ - size_t i; - - if (num_connections(0) < conf.max_connections) { - for (i = 0; i != conf.num_listeners; ++i) { - if (!h2o_socket_is_reading(listeners[i].sock)) - h2o_socket_read_start(listeners[i].sock, on_accept); - } - } else { - for (i = 0; i != conf.num_listeners; ++i) { - if (h2o_socket_is_reading(listeners[i].sock)) - h2o_socket_read_stop(listeners[i].sock); - } - } -} - -static void on_server_notification(h2o_multithread_receiver_t *receiver, h2o_linklist_t *messages) -{ - /* the notification is used only for exitting h2o_evloop_run; actual changes are done in the main loop of run_loop */ - - while (!h2o_linklist_is_empty(messages)) { - h2o_multithread_message_t *message = H2O_STRUCT_FROM_MEMBER(h2o_multithread_message_t, link, messages->next); - h2o_linklist_unlink(&message->link); - free(message); - } -} - -H2O_NORETURN static void *run_loop(void *_thread_index) -{ - size_t thread_index = (size_t)_thread_index; - struct listener_ctx_t *listeners = alloca(sizeof(*listeners) * conf.num_listeners); - size_t i; - - h2o_context_init(&conf.threads[thread_index].ctx, h2o_evloop_create(), &conf.globalconf); - h2o_multithread_register_receiver(conf.threads[thread_index].ctx.queue, &conf.threads[thread_index].server_notifications, - on_server_notification); - h2o_multithread_register_receiver(conf.threads[thread_index].ctx.queue, &conf.threads[thread_index].memcached, - h2o_memcached_receiver); - conf.threads[thread_index].tid = pthread_self(); - - /* setup listeners */ - for (i = 0; i != conf.num_listeners; ++i) { - struct listener_config_t *listener_config = conf.listeners[i]; - int fd; - /* dup the listener fd for other threads than the main thread */ - if (thread_index == 0) { - fd = listener_config->fd; - } else { - if ((fd = dup(listener_config->fd)) == -1) { - perror("failed to dup listening socket"); - abort(); - } - set_cloexec(fd); - } - memset(listeners + i, 0, sizeof(listeners[i])); - listeners[i].accept_ctx.ctx = &conf.threads[thread_index].ctx; - listeners[i].accept_ctx.hosts = listener_config->hosts; - if (listener_config->ssl.size != 0) - listeners[i].accept_ctx.ssl_ctx = listener_config->ssl.entries[0]->ctx; - listeners[i].accept_ctx.expect_proxy_line = listener_config->proxy_protocol; - listeners[i].accept_ctx.libmemcached_receiver = &conf.threads[thread_index].memcached; - listeners[i].sock = h2o_evloop_socket_create(conf.threads[thread_index].ctx.loop, fd, H2O_SOCKET_FLAG_DONT_READ); - listeners[i].sock->data = listeners + i; - } - /* and start listening */ - update_listener_state(listeners); - - /* make sure all threads are initialized before starting to serve requests */ - h2o_barrier_wait(&conf.startup_sync_barrier); - - /* the main loop */ - while (1) { - if (conf.shutdown_requested) - break; - update_listener_state(listeners); - /* run the loop once */ - h2o_evloop_run(conf.threads[thread_index].ctx.loop, INT32_MAX); - h2o_filecache_clear(conf.threads[thread_index].ctx.filecache); - } - - if (thread_index == 0) - fprintf(stderr, "received SIGTERM, gracefully shutting down\n"); - - /* shutdown requested, unregister, close the listeners and notify the protocol handlers */ - for (i = 0; i != conf.num_listeners; ++i) - h2o_socket_read_stop(listeners[i].sock); - h2o_evloop_run(conf.threads[thread_index].ctx.loop, 0); - for (i = 0; i != conf.num_listeners; ++i) { - h2o_socket_close(listeners[i].sock); - listeners[i].sock = NULL; - } - h2o_context_request_shutdown(&conf.threads[thread_index].ctx); - - /* wait until all the connection gets closed */ - while (num_connections(0) != 0) - h2o_evloop_run(conf.threads[thread_index].ctx.loop, INT32_MAX); - - /* the process that detects num_connections becoming zero performs the last cleanup */ - if (conf.pid_file != NULL) - unlink(conf.pid_file); - _exit(0); -} - -static char **build_server_starter_argv(const char *h2o_cmd, const char *config_file) -{ - H2O_VECTOR(char *) args = {NULL}; - size_t i; - - h2o_vector_reserve(NULL, &args, 1); - args.entries[args.size++] = h2o_configurator_get_cmd_path("share/h2o/start_server"); - - /* error-log and pid-file are the directives that are handled by server-starter */ - if (conf.pid_file != NULL) { - h2o_vector_reserve(NULL, &args, args.size + 1); - args.entries[args.size++] = - h2o_concat(NULL, h2o_iovec_init(H2O_STRLIT("--pid-file=")), h2o_iovec_init(conf.pid_file, strlen(conf.pid_file))).base; - } - if (conf.error_log != NULL) { - h2o_vector_reserve(NULL, &args, args.size + 1); - args.entries[args.size++] = - h2o_concat(NULL, h2o_iovec_init(H2O_STRLIT("--log-file=")), h2o_iovec_init(conf.error_log, strlen(conf.error_log))) - .base; - } - - switch (conf.run_mode) { - case RUN_MODE_DAEMON: - h2o_vector_reserve(NULL, &args, args.size + 1); - args.entries[args.size++] = "--daemonize"; - break; - default: - break; - } - - for (i = 0; i != conf.num_listeners; ++i) { - char *newarg; - switch (conf.listeners[i]->addr.ss_family) { - default: { - char host[NI_MAXHOST], serv[NI_MAXSERV]; - int err; - if ((err = getnameinfo((void *)&conf.listeners[i]->addr, conf.listeners[i]->addrlen, host, sizeof(host), serv, - sizeof(serv), NI_NUMERICHOST | NI_NUMERICSERV)) != 0) { - fprintf(stderr, "failed to stringify the address of %zu-th listen directive:%s\n", i, gai_strerror(err)); - exit(EX_OSERR); - } - newarg = h2o_mem_alloc(sizeof("--port=[]:") + strlen(host) + strlen(serv)); - if (strchr(host, ':') != NULL) { - sprintf(newarg, "--port=[%s]:%s", host, serv); - } else { - sprintf(newarg, "--port=%s:%s", host, serv); - } - } break; - case AF_UNIX: { - struct sockaddr_un *sa = (void *)&conf.listeners[i]->addr; - newarg = h2o_mem_alloc(sizeof("--path=") + strlen(sa->sun_path)); - sprintf(newarg, "--path=%s", sa->sun_path); - } break; - } - h2o_vector_reserve(NULL, &args, args.size + 1); - args.entries[args.size++] = newarg; - } - - h2o_vector_reserve(NULL, &args, args.size + 5); - args.entries[args.size++] = "--"; - args.entries[args.size++] = (char *)h2o_cmd; - args.entries[args.size++] = "-c"; - args.entries[args.size++] = (char *)config_file; - args.entries[args.size] = NULL; - - return args.entries; -} - -static int run_using_server_starter(const char *h2o_cmd, const char *config_file) -{ - char **args = build_server_starter_argv(h2o_cmd, config_file); - setenv("H2O_VIA_MASTER", "", 1); - execvp(args[0], args); - fprintf(stderr, "failed to spawn %s:%s\n", args[0], strerror(errno)); - return EX_CONFIG; -} - -/* make jemalloc linkage optional by marking the functions as 'weak', - * since upstream doesn't rely on it. */ -struct extra_status_jemalloc_cb_arg { - h2o_iovec_t outbuf; - int err; - size_t written; -}; - -#if JEMALLOC_STATS == 1 -static void extra_status_jemalloc_cb(void *ctx, const char *stats) -{ - size_t cur_len; - struct extra_status_jemalloc_cb_arg *out = ctx; - h2o_iovec_t outbuf = out->outbuf; - int i; - - if (out->written >= out->outbuf.len || out->err) { - return; - } - cur_len = out->written; - - i = 0; - while (cur_len < outbuf.len && stats[i]) { - switch (stats[i]) { -#define JSON_ESCAPE(x, y) \ - case x: \ - outbuf.base[cur_len++] = '\\'; \ - if (cur_len >= outbuf.len) { \ - goto err; \ - } \ - outbuf.base[cur_len] = y; \ - break; - JSON_ESCAPE('\b', 'b'); - JSON_ESCAPE('\f', 'f'); - JSON_ESCAPE('\n', 'n'); - JSON_ESCAPE('\r', 'r') - JSON_ESCAPE('\t', 't'); - JSON_ESCAPE('/', '/'); - JSON_ESCAPE('"', '"'); - JSON_ESCAPE('\\', '\\'); -#undef JSON_ESCAPE - default: - outbuf.base[cur_len] = stats[i]; - } - i++; - cur_len++; - } - if (cur_len < outbuf.len) { - out->written = cur_len; - return; - } - -err: - out->err = 1; - return; -} -#endif - -static h2o_iovec_t on_extra_status(void *unused, h2o_globalconf_t *_conf, h2o_req_t *req) -{ -#define BUFSIZE (16 * 1024) - h2o_iovec_t ret; - char current_time[H2O_TIMESTR_LOG_LEN + 1], restart_time[H2O_TIMESTR_LOG_LEN + 1]; - const char *generation; - time_t now = time(NULL); - - h2o_time2str_log(current_time, now); - h2o_time2str_log(restart_time, conf.launch_time); - if ((generation = getenv("SERVER_STARTER_GENERATION")) == NULL) - generation = "null"; - - ret.base = h2o_mem_alloc_pool(&req->pool, BUFSIZE); - ret.len = snprintf(ret.base, BUFSIZE, ",\n" - " \"server-version\": \"" H2O_VERSION "\",\n" - " \"openssl-version\": \"%s\",\n" - " \"current-time\": \"%s\",\n" - " \"restart-time\": \"%s\",\n" - " \"uptime\": %" PRIu64 ",\n" - " \"generation\": %s,\n" - " \"connections\": %d,\n" - " \"max-connections\": %d,\n" - " \"listeners\": %zu,\n" - " \"worker-threads\": %zu,\n" - " \"num-sessions\": %lu", - SSLeay_version(SSLEAY_VERSION), current_time, restart_time, (uint64_t)(now - conf.launch_time), generation, - num_connections(0), conf.max_connections, conf.num_listeners, conf.num_threads, num_sessions(0)); - assert(ret.len < BUFSIZE); - -#if JEMALLOC_STATS == 1 - struct extra_status_jemalloc_cb_arg arg; - size_t sz, allocated, active, metadata, resident, mapped; - uint64_t epoch = 1; - /* internal jemalloc interface */ - void malloc_stats_print(void (*write_cb)(void *, const char *), void *cbopaque, const char *opts); - int mallctl(const char *name, void *oldp, size_t *oldlenp, void *newp, size_t newlen); - - arg.outbuf = h2o_iovec_init(alloca(BUFSIZE - ret.len), BUFSIZE - ret.len); - arg.err = 0; - arg.written = snprintf(arg.outbuf.base, arg.outbuf.len, ",\n" - " \"jemalloc\": {\n" - " \"jemalloc-raw\": \""); - malloc_stats_print(extra_status_jemalloc_cb, &arg, "ga" /* omit general info, only aggregated stats */); - - if (arg.err || arg.written + 1 >= arg.outbuf.len) { - goto jemalloc_err; - } - - /* terminate the jemalloc-raw json string */ - arg.written += snprintf(&arg.outbuf.base[arg.written], arg.outbuf.len - arg.written, "\""); - if (arg.written + 1 >= arg.outbuf.len) { - goto jemalloc_err; - } - - sz = sizeof(epoch); - mallctl("epoch", &epoch, &sz, &epoch, sz); - - sz = sizeof(size_t); - if (!mallctl("stats.allocated", &allocated, &sz, NULL, 0) && !mallctl("stats.active", &active, &sz, NULL, 0) && - !mallctl("stats.metadata", &metadata, &sz, NULL, 0) && !mallctl("stats.resident", &resident, &sz, NULL, 0) && - !mallctl("stats.mapped", &mapped, &sz, NULL, 0)) { - arg.written += snprintf(&arg.outbuf.base[arg.written], arg.outbuf.len - arg.written, ",\n" - " \"allocated\": %zu,\n" - " \"active\": %zu,\n" - " \"metadata\": %zu,\n" - " \"resident\": %zu,\n" - " \"mapped\": %zu }", - allocated, active, metadata, resident, mapped); - } - if (arg.written + 1 >= arg.outbuf.len) { - goto jemalloc_err; - } - - strncpy(&ret.base[ret.len], arg.outbuf.base, arg.written); - ret.base[ret.len + arg.written] = '\0'; - ret.len += arg.written; - return ret; - -jemalloc_err: - /* couldn't fit the jemalloc output, exiting */ - ret.base[ret.len] = '\0'; - -#endif /* JEMALLOC_STATS == 1 */ - - return ret; -#undef BUFSIZE -} - -static void setup_configurators(void) -{ - h2o_config_init(&conf.globalconf); - - /* let the default setuid user be "nobody", if run as root */ - if (getuid() == 0 && getpwnam("nobody") != NULL) - conf.globalconf.user = "nobody"; - - { - h2o_configurator_t *c = h2o_configurator_create(&conf.globalconf, sizeof(*c)); - c->enter = on_config_listen_enter; - c->exit = on_config_listen_exit; - h2o_configurator_define_command(c, "listen", H2O_CONFIGURATOR_FLAG_GLOBAL | H2O_CONFIGURATOR_FLAG_HOST, on_config_listen); - } - - { - h2o_configurator_t *c = h2o_configurator_create(&conf.globalconf, sizeof(*c)); - h2o_configurator_define_command(c, "user", H2O_CONFIGURATOR_FLAG_GLOBAL | H2O_CONFIGURATOR_FLAG_EXPECT_SCALAR, - on_config_user); - h2o_configurator_define_command(c, "pid-file", H2O_CONFIGURATOR_FLAG_GLOBAL | H2O_CONFIGURATOR_FLAG_EXPECT_SCALAR, - on_config_pid_file); - h2o_configurator_define_command(c, "error-log", H2O_CONFIGURATOR_FLAG_GLOBAL | H2O_CONFIGURATOR_FLAG_EXPECT_SCALAR, - on_config_error_log); - h2o_configurator_define_command(c, "max-connections", H2O_CONFIGURATOR_FLAG_GLOBAL, on_config_max_connections); - h2o_configurator_define_command(c, "num-threads", H2O_CONFIGURATOR_FLAG_GLOBAL, on_config_num_threads); - h2o_configurator_define_command(c, "num-name-resolution-threads", H2O_CONFIGURATOR_FLAG_GLOBAL, - on_config_num_name_resolution_threads); - h2o_configurator_define_command(c, "tcp-fastopen", H2O_CONFIGURATOR_FLAG_GLOBAL, on_config_tcp_fastopen); - h2o_configurator_define_command(c, "ssl-session-resumption", - H2O_CONFIGURATOR_FLAG_GLOBAL | H2O_CONFIGURATOR_FLAG_EXPECT_MAPPING, - ssl_session_resumption_on_config); - h2o_configurator_define_command(c, "num-ocsp-updaters", H2O_CONFIGURATOR_FLAG_GLOBAL | H2O_CONFIGURATOR_FLAG_EXPECT_SCALAR, - on_config_num_ocsp_updaters); - h2o_configurator_define_command(c, "temp-buffer-path", H2O_CONFIGURATOR_FLAG_GLOBAL | H2O_CONFIGURATOR_FLAG_EXPECT_SCALAR, - on_config_temp_buffer_path); - h2o_configurator_define_command(c, "crash-handler", H2O_CONFIGURATOR_FLAG_GLOBAL | H2O_CONFIGURATOR_FLAG_EXPECT_SCALAR, - on_config_crash_handler); - h2o_configurator_define_command(c, "crash-handler.wait-pipe-close", - H2O_CONFIGURATOR_FLAG_GLOBAL | H2O_CONFIGURATOR_FLAG_EXPECT_SCALAR, - on_config_crash_handler_wait_pipe_close); - } - - h2o_access_log_register_configurator(&conf.globalconf); - h2o_compress_register_configurator(&conf.globalconf); - h2o_expires_register_configurator(&conf.globalconf); - h2o_errordoc_register_configurator(&conf.globalconf); - h2o_fastcgi_register_configurator(&conf.globalconf); - h2o_file_register_configurator(&conf.globalconf); - h2o_throttle_resp_register_configurator(&conf.globalconf); - h2o_headers_register_configurator(&conf.globalconf); - h2o_proxy_register_configurator(&conf.globalconf); - h2o_reproxy_register_configurator(&conf.globalconf); - h2o_redirect_register_configurator(&conf.globalconf); - h2o_status_register_configurator(&conf.globalconf); - h2o_http2_debug_state_register_configurator(&conf.globalconf); -#if H2O_USE_MRUBY - h2o_mruby_register_configurator(&conf.globalconf); -#endif - - h2o_config_register_simple_status_handler(&conf.globalconf, (h2o_iovec_t){H2O_STRLIT("main")}, on_extra_status); -} - -int main(int argc, char **argv) -{ - const char *cmd = argv[0], *opt_config_file = H2O_TO_STR(H2O_CONFIG_PATH); - int error_log_fd = -1; - - conf.num_threads = h2o_numproc(); - conf.tfo_queues = H2O_DEFAULT_LENGTH_TCP_FASTOPEN_QUEUE; - conf.launch_time = time(NULL); - - h2o_hostinfo_max_threads = H2O_DEFAULT_NUM_NAME_RESOLUTION_THREADS; - - h2o_sem_init(&ocsp_updater_semaphore, H2O_DEFAULT_OCSP_UPDATER_MAX_THREADS); - - init_openssl(); - setup_configurators(); - - { /* parse options */ - int ch; - static struct option longopts[] = {{"conf", required_argument, NULL, 'c'}, {"mode", required_argument, NULL, 'm'}, - {"test", no_argument, NULL, 't'}, {"version", no_argument, NULL, 'v'}, - {"help", no_argument, NULL, 'h'}, {NULL}}; - while ((ch = getopt_long(argc, argv, "c:m:tvh", longopts, NULL)) != -1) { - switch (ch) { - case 'c': - opt_config_file = optarg; - break; - case 'm': - if (strcmp(optarg, "worker") == 0) { - conf.run_mode = RUN_MODE_WORKER; - } else if (strcmp(optarg, "master") == 0) { - conf.run_mode = RUN_MODE_MASTER; - } else if (strcmp(optarg, "daemon") == 0) { - conf.run_mode = RUN_MODE_DAEMON; - } else if (strcmp(optarg, "test") == 0) { - conf.run_mode = RUN_MODE_TEST; - } else { - fprintf(stderr, "unknown mode:%s\n", optarg); - } - switch (conf.run_mode) { - case RUN_MODE_MASTER: - case RUN_MODE_DAEMON: - if (getenv("SERVER_STARTER_PORT") != NULL) { - fprintf(stderr, "refusing to start in `%s` mode, environment variable SERVER_STARTER_PORT is already set\n", - optarg); - exit(EX_SOFTWARE); - } - break; - default: - break; - } - break; - case 't': - conf.run_mode = RUN_MODE_TEST; - break; - case 'v': - printf("h2o version " H2O_VERSION "\n"); - printf("OpenSSL: %s\n", SSLeay_version(SSLEAY_VERSION)); -#if H2O_USE_MRUBY - printf( - "mruby: YES\n"); /* TODO determine the way to obtain the version of mruby (that is being linked dynamically) */ -#endif - exit(0); - case 'h': - printf("h2o version " H2O_VERSION "\n" - "\n" - "Usage:\n" - " h2o [options]\n" - "\n" - "Options:\n" - " -c, --conf FILE configuration file (default: %s)\n" - " -m, --mode <mode> specifies one of the following mode\n" - " - worker: invoked process handles incoming connections\n" - " (default)\n" - " - daemon: spawns a master process and exits. `error-log`\n" - " must be configured when using this mode, as all\n" - " the errors are logged to the file instead of\n" - " being emitted to STDERR\n" - " - master: invoked process becomes a master process (using\n" - " the `share/h2o/start_server` command) and spawns\n" - " a worker process for handling incoming\n" - " connections. Users may send SIGHUP to the master\n" - " process to reconfigure or upgrade the server.\n" - " - test: tests the configuration and exits\n" - " -t, --test synonym of `--mode=test`\n" - " -v, --version prints the version number\n" - " -h, --help print this help\n" - "\n" - "Please refer to the documentation under `share/doc/h2o` (or available online at\n" - "http://h2o.examp1e.net/) for how to configure the server.\n" - "\n", - H2O_TO_STR(H2O_CONFIG_PATH)); - exit(0); - break; - case ':': - case '?': - exit(EX_CONFIG); - default: - assert(0); - break; - } - } - argc -= optind; - argv += optind; - } - - /* setup conf.server_starter */ - if ((conf.server_starter.num_fds = h2o_server_starter_get_fds(&conf.server_starter.fds)) == SIZE_MAX) - exit(EX_CONFIG); - if (conf.server_starter.fds != 0) { - size_t i; - for (i = 0; i != conf.server_starter.num_fds; ++i) - set_cloexec(conf.server_starter.fds[i]); - conf.server_starter.bound_fd_map = alloca(conf.server_starter.num_fds); - memset(conf.server_starter.bound_fd_map, 0, conf.server_starter.num_fds); - conf.server_starter.env_var = getenv("SERVER_STARTER_PORT"); - } - unsetenv("SERVER_STARTER_PORT"); - - { /* configure */ - yoml_t *yoml; - resolve_tag_arg_t resolve_tag_arg = {{NULL}}; - yoml_parse_args_t parse_args = { - opt_config_file, /* filename */ - NULL, /* mem_set */ - {resolve_tag, &resolve_tag_arg} /* resolve_tag */ - }; - if ((yoml = load_config(&parse_args, NULL)) == NULL) - exit(EX_CONFIG); - if (h2o_configurator_apply(&conf.globalconf, yoml, conf.run_mode != RUN_MODE_WORKER) != 0) - exit(EX_CONFIG); - - dispose_resolve_tag_arg(&resolve_tag_arg); - yoml_free(yoml, NULL); - } - /* calculate defaults (note: open file cached is purged once every loop) */ - conf.globalconf.filecache.capacity = conf.globalconf.http2.max_concurrent_requests_per_connection * 2; - - /* check if all the fds passed in by server::starter were bound */ - if (conf.server_starter.fds != NULL) { - size_t i; - int all_were_bound = 1; - for (i = 0; i != conf.server_starter.num_fds; ++i) { - if (!conf.server_starter.bound_fd_map[i]) { - fprintf(stderr, "no configuration found for fd:%d passed in by $SERVER_STARTER_PORT\n", conf.server_starter.fds[i]); - all_were_bound = 0; - } - } - if (!all_were_bound) { - fprintf(stderr, "note: $SERVER_STARTER_PORT was \"%s\"\n", conf.server_starter.env_var); - return EX_CONFIG; - } - } - - h2o_srand(); - /* handle run_mode == MASTER|TEST */ - switch (conf.run_mode) { - case RUN_MODE_WORKER: - break; - case RUN_MODE_DAEMON: - if (conf.error_log == NULL) { - fprintf(stderr, "to run in `daemon` mode, `error-log` must be specified in the configuration file\n"); - return EX_CONFIG; - } - return run_using_server_starter(cmd, opt_config_file); - case RUN_MODE_MASTER: - return run_using_server_starter(cmd, opt_config_file); - case RUN_MODE_TEST: - printf("configuration OK\n"); - return 0; - } - - if (getenv("H2O_VIA_MASTER") != NULL) { - /* pid_file and error_log are the directives that are handled by the master process (invoking start_server) */ - conf.pid_file = NULL; - conf.error_log = NULL; - } - - { /* raise RLIMIT_NOFILE */ - struct rlimit limit; - if (getrlimit(RLIMIT_NOFILE, &limit) == 0) { - limit.rlim_cur = limit.rlim_max; - if (setrlimit(RLIMIT_NOFILE, &limit) == 0 -#ifdef __APPLE__ - || (limit.rlim_cur = OPEN_MAX, setrlimit(RLIMIT_NOFILE, &limit)) == 0 -#endif - ) { - fprintf(stderr, "[INFO] raised RLIMIT_NOFILE to %d\n", (int)limit.rlim_cur); - } - } - } - - setup_signal_handlers(); - - /* open the log file to redirect STDIN/STDERR to, before calling setuid */ - if (conf.error_log != NULL) { - if ((error_log_fd = h2o_access_log_open_log(conf.error_log)) == -1) - return EX_CONFIG; - } - setvbuf(stdout, NULL, _IOLBF, 0); - setvbuf(stderr, NULL, _IOLBF, 0); - - /* setuid */ - if (conf.globalconf.user != NULL) { - if (h2o_setuidgid(conf.globalconf.user) != 0) { - fprintf(stderr, "failed to change the running user (are you sure you are running as root?)\n"); - return EX_OSERR; - } - if (neverbleed != NULL && neverbleed_setuidgid(neverbleed, conf.globalconf.user, 1) != 0) { - fprintf(stderr, "failed to change the running user of neverbleed daemon\n"); - return EX_OSERR; - } - } else { - if (getuid() == 0) { - fprintf(stderr, "refusing to run as root (and failed to switch to `nobody`); you can use the `user` directive to set " - "the running user\n"); - return EX_CONFIG; - } - } - - /* pid file must be written after setuid, since we need to remove it */ - if (conf.pid_file != NULL) { - FILE *fp = fopen(conf.pid_file, "wt"); - if (fp == NULL) { - fprintf(stderr, "failed to open pid file:%s:%s\n", conf.pid_file, strerror(errno)); - return EX_OSERR; - } - fprintf(fp, "%d\n", (int)getpid()); - fclose(fp); - } - - { /* initialize SSL_CTXs for session resumption and ticket-based resumption (also starts memcached client threads for the - purpose) */ - size_t i, j; - H2O_VECTOR(SSL_CTX *) ssl_contexts = {NULL}; - for (i = 0; i != conf.num_listeners; ++i) { - for (j = 0; j != conf.listeners[i]->ssl.size; ++j) { - h2o_vector_reserve(NULL, &ssl_contexts, ssl_contexts.size + 1); - ssl_contexts.entries[ssl_contexts.size++] = conf.listeners[i]->ssl.entries[j]->ctx; - } - } - ssl_setup_session_resumption(ssl_contexts.entries, ssl_contexts.size); - free(ssl_contexts.entries); - } - - /* all setup should be complete by now */ - - /* replace STDIN to an closed pipe */ - { - int fds[2]; - if (pipe(fds) != 0) { - perror("pipe failed"); - return EX_OSERR; - } - close(fds[1]); - dup2(fds[0], 0); - close(fds[0]); - } - - /* redirect STDOUT and STDERR to error_log (if specified) */ - if (error_log_fd != -1) { - if (dup2(error_log_fd, 1) == -1 || dup2(error_log_fd, 2) == -1) { - perror("dup(2) failed"); - return EX_OSERR; - } - close(error_log_fd); - error_log_fd = -1; - } - - fprintf(stderr, "h2o server (pid:%d) is ready to serve requests\n", (int)getpid()); - - assert(conf.num_threads != 0); - - /* start the threads */ - conf.threads = alloca(sizeof(conf.threads[0]) * conf.num_threads); - h2o_barrier_init(&conf.startup_sync_barrier, conf.num_threads); - size_t i; - for (i = 1; i != conf.num_threads; ++i) { - pthread_t tid; - h2o_multithread_create_thread(&tid, NULL, run_loop, (void *)i); - } - - /* this thread becomes the first thread */ - run_loop((void *)0); - - /* notreached */ - return 0; -} |