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- /*-
- * Copyright 2016 Vsevolod Stakhov
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
- #include "config.h"
- #include "rspamd.h"
- #include "libserver/maps/map.h"
- #include "lua/lua_common.h"
- #include "libserver/worker_util.h"
- #include "libserver/rspamd_control.h"
- #include "ottery.h"
- #include "cryptobox.h"
- #include "utlist.h"
- #include "unix-std.h"
- /* pwd and grp */
- #ifdef HAVE_PWD_H
- #include <pwd.h>
- #endif
- #ifdef HAVE_GRP_H
- #include <grp.h>
- #endif
-
- #ifdef HAVE_NFTW
- #include <ftw.h>
- #endif
-
- #include <signal.h>
- #ifdef HAVE_SYS_RESOURCE_H
- #include <sys/resource.h>
- #endif
- #ifdef HAVE_LIBUTIL_H
- #include <libutil.h>
- #endif
-
- #ifdef HAVE_OPENSSL
- #include <openssl/err.h>
- #include <openssl/evp.h>
- #endif
-
- #include "sqlite3.h"
- #include "contrib/libev/ev.h"
-
- /* 2 seconds to fork new process in place of dead one */
- #define SOFT_FORK_TIME 2
-
- /* 10 seconds after getting termination signal to terminate all workers with SIGKILL */
- #define TERMINATION_INTERVAL (0.2)
-
- static gboolean load_rspamd_config (struct rspamd_main *rspamd_main,
- struct rspamd_config *cfg,
- gboolean init_modules,
- enum rspamd_post_load_options opts,
- gboolean reload);
- static void rspamd_cld_handler (EV_P_ ev_child *w,
- struct rspamd_main *rspamd_main,
- struct rspamd_worker *wrk);
-
- /* Control socket */
- static gint control_fd;
- static ev_io control_ev;
- static struct rspamd_stat old_stat;
- static ev_timer stat_ev;
-
- static gboolean valgrind_mode = FALSE;
-
- /* Cmdline options */
- static gboolean no_fork = FALSE;
- static gboolean show_version = FALSE;
- static gchar **cfg_names = NULL;
- static gchar *rspamd_user = NULL;
- static gchar *rspamd_group = NULL;
- static gchar *rspamd_pidfile = NULL;
- static gboolean is_debug = FALSE;
- static gboolean is_insecure = FALSE;
- static GHashTable *ucl_vars = NULL;
- static gchar **lua_env = NULL;
- static gboolean skip_template = FALSE;
-
- static gint term_attempts = 0;
-
- /* List of active listen sockets indexed by worker type */
- static GHashTable *listen_sockets = NULL;
-
- /* Defined in modules.c */
- extern module_t *modules[];
- extern worker_t *workers[];
-
- /* Command line options */
- static gboolean rspamd_parse_var (const gchar *option_name,
- const gchar *value, gpointer data,
- GError **error);
- static GOptionEntry entries[] =
- {
- { "no-fork", 'f', 0, G_OPTION_ARG_NONE, &no_fork,
- "Do not daemonize main process", NULL },
- { "config", 'c', 0, G_OPTION_ARG_FILENAME_ARRAY, &cfg_names,
- "Specify config file(s)", NULL },
- { "user", 'u', 0, G_OPTION_ARG_STRING, &rspamd_user,
- "User to run rspamd as", NULL },
- { "group", 'g', 0, G_OPTION_ARG_STRING, &rspamd_group,
- "Group to run rspamd as", NULL },
- { "pid", 'p', 0, G_OPTION_ARG_STRING, &rspamd_pidfile, "Path to pidfile",
- NULL },
- { "debug", 'd', 0, G_OPTION_ARG_NONE, &is_debug, "Force debug output",
- NULL },
- { "insecure", 'i', 0, G_OPTION_ARG_NONE, &is_insecure,
- "Ignore running workers as privileged users (insecure)", NULL },
- { "version", 'v', 0, G_OPTION_ARG_NONE, &show_version,
- "Show version and exit", NULL },
- {"var", 0, 0, G_OPTION_ARG_CALLBACK, (gpointer)&rspamd_parse_var,
- "Redefine/define environment variable", NULL},
- {"skip-template", 'T', 0, G_OPTION_ARG_NONE, &skip_template,
- "Do not apply Jinja templates", NULL},
- {"lua-env", '\0', 0, G_OPTION_ARG_FILENAME_ARRAY, &lua_env,
- "Load lua environment from the specified files", NULL},
- { NULL, 0, 0, G_OPTION_ARG_NONE, NULL, NULL, NULL }
- };
-
- static gboolean
- rspamd_parse_var (const gchar *option_name,
- const gchar *value, gpointer data,
- GError **error)
- {
- gchar *k, *v, *t;
-
- t = strchr (value, '=');
-
- if (t != NULL) {
- k = g_strdup (value);
- t = k + (t - value);
- v = g_strdup (t + 1);
- *t = '\0';
-
- if (ucl_vars == NULL) {
- ucl_vars = g_hash_table_new_full (rspamd_strcase_hash,
- rspamd_strcase_equal, g_free, g_free);
- }
-
- g_hash_table_insert (ucl_vars, k, v);
- }
- else {
- g_set_error (error, g_quark_try_string ("main"), EINVAL,
- "Bad variable format: %s", value);
- return FALSE;
- }
-
- return TRUE;
- }
-
- static void
- read_cmd_line (gint *argc, gchar ***argv, struct rspamd_config *cfg)
- {
- GError *error = NULL;
- GOptionContext *context;
- guint cfg_num;
-
- context = g_option_context_new ("- run rspamd daemon");
- #if defined(GIT_VERSION) && GIT_VERSION == 1
- g_option_context_set_summary (context,
- "Summary:\n Rspamd daemon version " RVERSION "-git\n Git id: " RID);
- #else
- g_option_context_set_summary (context,
- "Summary:\n Rspamd daemon version " RVERSION);
- #endif
- g_option_context_add_main_entries (context, entries, NULL);
-
- if (!g_option_context_parse (context, argc, argv, &error)) {
- fprintf (stderr, "option parsing failed: %s\n", error->message);
- g_option_context_free (context);
- exit (1);
- }
-
- cfg->rspamd_user = rspamd_user;
- cfg->rspamd_group = rspamd_group;
- cfg_num = cfg_names != NULL ? g_strv_length (cfg_names) : 0;
-
- if (cfg_num == 0) {
- cfg->cfg_name = FIXED_CONFIG_FILE;
- }
- else {
- cfg->cfg_name = cfg_names[0];
- g_assert (cfg_num == 1);
- }
-
- cfg->pid_file = rspamd_pidfile;
- g_option_context_free (context);
- }
-
- static int
- rspamd_write_pid (struct rspamd_main *main)
- {
- pid_t pid;
-
- if (main->cfg->pid_file == NULL) {
- return -1;
- }
- main->pfh = rspamd_pidfile_open (main->cfg->pid_file, 0644, &pid);
-
- if (main->pfh == NULL) {
- return -1;
- }
-
- if (main->is_privilleged) {
- /* Force root user as owner of pid file */
- #ifdef HAVE_PIDFILE_FILENO
- if (fchown (pidfile_fileno (main->pfh), 0, 0) == -1) {
- #else
- if (fchown (main->pfh->pf_fd, 0, 0) == -1) {
- #endif
- }
- }
-
- rspamd_pidfile_write (main->pfh);
-
- return 0;
- }
-
- /* Detect privilleged mode */
- static void
- detect_priv (struct rspamd_main *rspamd_main)
- {
- struct passwd *pwd;
- struct group *grp;
- uid_t euid;
-
- euid = geteuid ();
-
- if (euid == 0) {
- if (!rspamd_main->cfg->rspamd_user && !is_insecure) {
- msg_err_main (
- "cannot run rspamd workers as root user, please add -u and -g options to select a proper unprivilleged user or specify --insecure flag");
- exit (EXIT_FAILURE);
- }
- else if (is_insecure) {
- rspamd_main->is_privilleged = TRUE;
- rspamd_main->workers_uid = 0;
- rspamd_main->workers_gid = 0;
- }
- else {
- rspamd_main->is_privilleged = TRUE;
- pwd = getpwnam (rspamd_main->cfg->rspamd_user);
- if (pwd == NULL) {
- msg_err_main ("user specified does not exists (%s), aborting",
- strerror (errno));
- exit (-errno);
- }
- if (rspamd_main->cfg->rspamd_group) {
- grp = getgrnam (rspamd_main->cfg->rspamd_group);
- if (grp == NULL) {
- msg_err_main ("group specified does not exists (%s), aborting",
- strerror (errno));
- exit (-errno);
- }
- rspamd_main->workers_gid = grp->gr_gid;
- }
- else {
- rspamd_main->workers_gid = (gid_t)-1;
- }
- rspamd_main->workers_uid = pwd->pw_uid;
- }
- }
- else {
- rspamd_main->is_privilleged = FALSE;
- rspamd_main->workers_uid = (uid_t)-1;
- rspamd_main->workers_gid = (gid_t)-1;
- }
- }
-
- static void
- config_logger (rspamd_mempool_t *pool, gpointer ud)
- {
- struct rspamd_main *rspamd_main = ud;
-
- rspamd_main->logger = rspamd_log_open_specific (rspamd_main->server_pool,
- rspamd_main->cfg,
- "main",
- rspamd_main->workers_uid,
- rspamd_main->workers_gid);
-
- if (rspamd_main->logger == NULL) {
- /*
- * XXX:
- * Error has been already logged (in fact,
- * we might fall back to console logger here)
- */
- exit (EXIT_FAILURE);
- }
-
- rspamd_logger_configure_modules (rspamd_main->cfg->debug_modules);
- }
-
- static gboolean
- reread_config (struct rspamd_main *rspamd_main)
- {
- struct rspamd_config *tmp_cfg, *old_cfg;
- gchar *cfg_file;
- int load_opts = RSPAMD_CONFIG_INIT_VALIDATE|RSPAMD_CONFIG_INIT_SYMCACHE|
- RSPAMD_CONFIG_INIT_LIBS|RSPAMD_CONFIG_INIT_URL;
-
- rspamd_symcache_save (rspamd_main->cfg->cache);
- tmp_cfg = rspamd_config_new (RSPAMD_CONFIG_INIT_DEFAULT);
- tmp_cfg->libs_ctx = rspamd_main->cfg->libs_ctx;
- REF_RETAIN (tmp_cfg->libs_ctx);
- cfg_file = rspamd_mempool_strdup (tmp_cfg->cfg_pool,
- rspamd_main->cfg->cfg_name);
- /* Save some variables */
- tmp_cfg->cfg_name = cfg_file;
- old_cfg = rspamd_main->cfg;
- rspamd_main->cfg = tmp_cfg;
- rspamd_logger_t *old_logger = rspamd_main->logger;
-
- if (!load_rspamd_config (rspamd_main, tmp_cfg, TRUE, load_opts, TRUE)) {
- rspamd_main->cfg = old_cfg;
- rspamd_main->logger = old_logger;
- msg_err_main ("cannot parse new config file, revert to old one");
- REF_RELEASE (tmp_cfg);
-
- return FALSE;
- }
- else {
- rspamd_log_close (old_logger);
- msg_info_main ("replacing config");
- REF_RELEASE (old_cfg);
- rspamd_main->cfg->rspamd_user = rspamd_user;
- rspamd_main->cfg->rspamd_group = rspamd_group;
- /* Here, we can do post actions with the existing config */
- /*
- * As some rules are defined in lua, we need to process them, then init
- * modules and merely afterwards to init modules
- */
- rspamd_lua_post_load_config (tmp_cfg);
- rspamd_init_filters (tmp_cfg, true, false);
-
- /* Do post-load actions */
- rspamd_config_post_load (tmp_cfg,
- load_opts|RSPAMD_CONFIG_INIT_POST_LOAD_LUA|RSPAMD_CONFIG_INIT_PRELOAD_MAPS);
- msg_info_main ("config has been reread successfully");
- }
-
- return TRUE;
- }
-
- struct waiting_worker {
- struct rspamd_main *rspamd_main;
- struct ev_timer wait_ev;
- struct rspamd_worker_conf *cf;
- guint oldindex;
- };
-
- static void
- rspamd_fork_delayed_cb (EV_P_ ev_timer *w, int revents)
- {
- struct waiting_worker *waiting_worker = (struct waiting_worker *)w->data;
-
- ev_timer_stop (EV_A_ &waiting_worker->wait_ev);
- rspamd_fork_worker (waiting_worker->rspamd_main, waiting_worker->cf,
- waiting_worker->oldindex,
- waiting_worker->rspamd_main->event_loop,
- rspamd_cld_handler, listen_sockets);
- REF_RELEASE (waiting_worker->cf);
- g_free (waiting_worker);
- }
-
- static void
- rspamd_fork_delayed (struct rspamd_worker_conf *cf,
- guint index,
- struct rspamd_main *rspamd_main)
- {
- struct waiting_worker *nw;
-
- nw = g_malloc0 (sizeof (*nw));
- nw->cf = cf;
- nw->oldindex = index;
- nw->rspamd_main = rspamd_main;
- REF_RETAIN (cf);
- nw->wait_ev.data = nw;
- ev_timer_init (&nw->wait_ev, rspamd_fork_delayed_cb, SOFT_FORK_TIME, 0.0);
- ev_timer_start (rspamd_main->event_loop, &nw->wait_ev);
- }
-
- static GList *
- create_listen_socket (GPtrArray *addrs, guint cnt,
- enum rspamd_worker_socket_type listen_type)
- {
- GList *result = NULL;
- gint fd;
- guint i;
- static const int listen_opts = RSPAMD_INET_ADDRESS_LISTEN_ASYNC;
- struct rspamd_worker_listen_socket *ls;
-
- g_ptr_array_sort (addrs, rspamd_inet_address_compare_ptr);
- for (i = 0; i < cnt; i ++) {
-
- /*
- * Copy address to avoid reload issues
- */
- if (listen_type & RSPAMD_WORKER_SOCKET_TCP) {
- fd = rspamd_inet_address_listen (g_ptr_array_index (addrs, i),
- SOCK_STREAM,
- listen_opts, -1);
- if (fd != -1) {
- ls = g_malloc0 (sizeof (*ls));
- ls->addr = rspamd_inet_address_copy (g_ptr_array_index (addrs, i));
- ls->fd = fd;
- ls->type = RSPAMD_WORKER_SOCKET_TCP;
- result = g_list_prepend (result, ls);
- }
- }
- if (listen_type & RSPAMD_WORKER_SOCKET_UDP) {
- fd = rspamd_inet_address_listen (g_ptr_array_index (addrs, i),
- SOCK_DGRAM,
- listen_opts | RSPAMD_INET_ADDRESS_LISTEN_REUSEPORT, -1);
- if (fd != -1) {
- ls = g_malloc0 (sizeof (*ls));
- ls->addr = rspamd_inet_address_copy (g_ptr_array_index (addrs, i));
- ls->fd = fd;
- ls->type = RSPAMD_WORKER_SOCKET_UDP;
- result = g_list_prepend (result, ls);
- }
- }
- }
-
- return result;
- }
-
- static GList *
- systemd_get_socket (struct rspamd_main *rspamd_main, const gchar *fdname)
- {
- int number, sock, num_passed, flags;
- GList *result = NULL;
- const gchar *e;
- gchar **fdnames;
- gchar *end;
- struct stat st;
- static const int sd_listen_fds_start = 3; /* SD_LISTEN_FDS_START */
- struct rspamd_worker_listen_socket *ls;
-
- union {
- struct sockaddr_storage ss;
- struct sockaddr sa;
- } addr_storage;
- socklen_t slen = sizeof (addr_storage);
- gint stype;
-
- number = strtoul (fdname, &end, 10);
- if (end != NULL && *end != '\0') {
- /* Cannot parse as number, assume a name in LISTEN_FDNAMES. */
- e = getenv ("LISTEN_FDNAMES");
- if (!e) {
- msg_err_main ("cannot get systemd variable 'LISTEN_FDNAMES'");
- errno = ENOENT;
- return NULL;
- }
-
- fdnames = g_strsplit (e, ":", -1);
- for (number = 0; fdnames[number]; number++) {
- if (!strcmp (fdnames[number], fdname)) {
- break;
- }
- }
- if (!fdnames[number]) {
- number = -1;
- }
- g_strfreev (fdnames);
- }
-
- if (number < 0) {
- msg_warn_main ("cannot find systemd socket: %s", fdname);
- errno = ENOENT;
- return NULL;
- }
-
- e = getenv ("LISTEN_FDS");
- if (e != NULL) {
- errno = 0;
- num_passed = strtoul (e, &end, 10);
- if ((end == NULL || *end == '\0') && num_passed > number) {
- sock = number + sd_listen_fds_start;
- if (fstat (sock, &st) == -1) {
- msg_warn_main ("cannot stat systemd descriptor %d", sock);
- return NULL;
- }
- if (!S_ISSOCK (st.st_mode)) {
- msg_warn_main ("systemd descriptor %d is not a socket", sock);
- errno = EINVAL;
- return NULL;
- }
- flags = fcntl (sock, F_GETFD);
-
- if (flags != -1) {
- (void)fcntl (sock, F_SETFD, flags | FD_CLOEXEC);
- }
-
- rspamd_socket_nonblocking (sock);
-
- if (getsockname (sock, &addr_storage.sa, &slen) == -1) {
- msg_warn_main ("cannot get name for systemd descriptor %d: %s",
- sock, strerror (errno));
- errno = EINVAL;
- return NULL;
- }
-
- ls = g_malloc0 (sizeof (*ls));
- ls->addr = rspamd_inet_address_from_sa (&addr_storage.sa, slen);
- ls->fd = sock;
- ls->is_systemd = true;
-
- slen = sizeof (stype);
- if (getsockopt (sock, SOL_SOCKET, SO_TYPE, &stype, &slen) != -1) {
- if (stype == SOCK_STREAM) {
- ls->type = RSPAMD_WORKER_SOCKET_TCP;
- }
- else {
- ls->type = RSPAMD_WORKER_SOCKET_UDP;
- }
- }
- else {
- msg_warn_main ("cannot get type for systemd descriptor %d: %s",
- sock, strerror (errno));
- ls->type = RSPAMD_WORKER_SOCKET_TCP;
- }
-
-
- result = g_list_prepend (result, ls);
- }
- else if (num_passed <= number) {
- msg_err_main ("systemd LISTEN_FDS does not contain the expected fd: %d",
- num_passed);
- errno = EINVAL;
- }
- }
- else {
- msg_err_main ("cannot get systemd variable 'LISTEN_FDS'");
- errno = ENOENT;
- }
-
- return result;
- }
-
- static void
- pass_signal_cb (gpointer key, gpointer value, gpointer ud)
- {
- struct rspamd_worker *cur = value;
- gint signo = GPOINTER_TO_INT (ud);
-
- kill (cur->pid, signo);
- }
-
- static void
- rspamd_pass_signal (GHashTable * workers, gint signo)
- {
- g_hash_table_foreach (workers, pass_signal_cb, GINT_TO_POINTER (signo));
- }
-
- static inline uintptr_t
- make_listen_key (struct rspamd_worker_bind_conf *cf)
- {
- rspamd_cryptobox_fast_hash_state_t st;
- guint i, keylen = 0;
- guint8 *key;
- rspamd_inet_addr_t *addr;
- guint16 port;
-
- rspamd_cryptobox_fast_hash_init (&st, rspamd_hash_seed ());
- if (cf->is_systemd) {
- /* Something like 'systemd:0' or 'systemd:controller'. */
- rspamd_cryptobox_fast_hash_update (&st, cf->name, strlen (cf->name));
- }
- else {
- rspamd_cryptobox_fast_hash_update (&st, cf->name, strlen (cf->name));
- for (i = 0; i < cf->cnt; i ++) {
- addr = g_ptr_array_index (cf->addrs, i);
- key = rspamd_inet_address_get_hash_key (
- addr, &keylen);
- rspamd_cryptobox_fast_hash_update (&st, key, keylen);
- port = rspamd_inet_address_get_port (addr);
- rspamd_cryptobox_fast_hash_update (&st, &port, sizeof (port));
- }
- }
-
- return rspamd_cryptobox_fast_hash_final (&st);
- }
-
- static void
- spawn_worker_type (struct rspamd_main *rspamd_main, struct ev_loop *event_loop,
- struct rspamd_worker_conf *cf)
- {
- gint i;
-
- if (cf->count < 0) {
- msg_info_main ("skip spawning of worker %s: disabled in configuration",
- cf->worker->name);
-
- return;
- }
- if (cf->worker->flags & RSPAMD_WORKER_UNIQUE) {
- if (cf->count > 1) {
- msg_warn_main (
- "cannot spawn more than 1 %s worker, so spawn one",
- cf->worker->name);
- }
- rspamd_fork_worker (rspamd_main, cf, 0, event_loop, rspamd_cld_handler,
- listen_sockets);
- }
- else if (cf->worker->flags & RSPAMD_WORKER_THREADED) {
- rspamd_fork_worker (rspamd_main, cf, 0, event_loop, rspamd_cld_handler,
- listen_sockets);
- }
- else {
- for (i = 0; i < cf->count; i++) {
- rspamd_fork_worker (rspamd_main, cf, i, event_loop,
- rspamd_cld_handler, listen_sockets);
- }
- }
- }
-
- static void
- spawn_workers (struct rspamd_main *rspamd_main, struct ev_loop *ev_base)
- {
- GList *cur, *ls;
- struct rspamd_worker_conf *cf;
- gpointer p;
- guintptr key;
- struct rspamd_worker_bind_conf *bcf;
- gboolean listen_ok = FALSE;
- GPtrArray *seen_mandatory_workers;
- worker_t **cw, *wrk;
- guint i;
-
- /* Special hack for hs_helper if it's not defined in a config */
- seen_mandatory_workers = g_ptr_array_new ();
- cur = rspamd_main->cfg->workers;
-
- while (cur) {
- cf = cur->data;
- listen_ok = FALSE;
-
- if (cf->worker == NULL) {
- msg_err_main ("type of worker is unspecified, skip spawning");
- }
- else {
- if (!cf->enabled || cf->count <= 0) {
- msg_info_main ("worker of type %s(%s) is disabled in the config, "
- "skip spawning", g_quark_to_string (cf->type),
- cf->bind_conf ? cf->bind_conf->name : "none");
- cur = g_list_next (cur);
-
- continue;
- }
-
- if (cf->worker->flags & RSPAMD_WORKER_ALWAYS_START) {
- g_ptr_array_add (seen_mandatory_workers, cf->worker);
- }
- if (cf->worker->flags & RSPAMD_WORKER_HAS_SOCKET) {
- LL_FOREACH (cf->bind_conf, bcf) {
- key = make_listen_key (bcf);
-
- if ((p =
- g_hash_table_lookup (listen_sockets,
- GINT_TO_POINTER (key))) == NULL) {
-
- if (!bcf->is_systemd) {
- /* Create listen socket */
- ls = create_listen_socket (bcf->addrs, bcf->cnt,
- cf->worker->listen_type);
- }
- else {
- ls = systemd_get_socket (rspamd_main,
- g_ptr_array_index (bcf->addrs, 0));
- }
-
- if (ls == NULL) {
- msg_err_main ("cannot listen on %s socket %s: %s",
- bcf->is_systemd ? "systemd" : "normal",
- bcf->name,
- strerror (errno));
- }
- else {
- g_hash_table_insert (listen_sockets, (gpointer)key, ls);
- listen_ok = TRUE;
- }
- }
- else {
- /* We had socket for this type of worker */
- ls = p;
- listen_ok = TRUE;
- }
- /* Do not add existing lists as it causes loops */
- if (g_list_position (cf->listen_socks, ls) == -1) {
- cf->listen_socks = g_list_concat (cf->listen_socks, ls);
- }
- }
-
- if (listen_ok) {
- spawn_worker_type (rspamd_main, ev_base, cf);
- }
- else {
- if (cf->bind_conf == NULL) {
- msg_err_main ("cannot create listen socket for %s",
- g_quark_to_string (cf->type));
- } else {
- msg_err_main ("cannot create listen socket for %s at %s",
- g_quark_to_string (cf->type), cf->bind_conf->name);
- }
-
- rspamd_hard_terminate (rspamd_main);
- g_assert_not_reached ();
- }
- }
- else {
- spawn_worker_type (rspamd_main, ev_base, cf);
- }
- }
-
- cur = g_list_next (cur);
- }
-
- for (cw = workers; *cw != NULL; cw ++) {
- gboolean seen = FALSE;
-
- wrk = *cw;
-
- if (wrk->flags & RSPAMD_WORKER_ALWAYS_START) {
- for (i = 0; i < seen_mandatory_workers->len; i ++) {
- if (wrk == g_ptr_array_index (seen_mandatory_workers, i)) {
- seen = TRUE;
- break;
- }
- }
-
- if (!seen) {
- cf = rspamd_config_new_worker (rspamd_main->cfg, NULL);
- cf->count = 1;
- cf->worker = wrk;
- cf->type = g_quark_from_static_string (wrk->name);
-
- if (cf->worker->worker_init_func) {
- cf->ctx = cf->worker->worker_init_func (rspamd_main->cfg);
- }
-
- spawn_worker_type (rspamd_main, ev_base, cf);
- }
- }
- }
-
- g_ptr_array_free (seen_mandatory_workers, TRUE);
- }
-
- static void
- kill_old_workers (gpointer key, gpointer value, gpointer unused)
- {
- struct rspamd_worker *w = value;
- struct rspamd_main *rspamd_main;
-
- rspamd_main = w->srv;
-
- if (w->state == rspamd_worker_state_wanna_die) {
- w->state = rspamd_worker_state_terminating;
- kill (w->pid, SIGUSR2);
- ev_io_stop (rspamd_main->event_loop, &w->srv_ev);
- g_hash_table_remove_all (w->control_events_pending);
- msg_info_main ("send signal to worker %P", w->pid);
- }
- else if (w->state != rspamd_worker_state_running) {
- msg_info_main ("do not send signal to worker %P, already sent", w->pid);
- }
- }
-
- static void
- mark_old_workers (gpointer key, gpointer value, gpointer unused)
- {
- struct rspamd_worker *w = value;
- struct rspamd_main __attribute__ ((unused)) *rspamd_main;
-
- rspamd_main = w->srv;
-
- if (w->state == rspamd_worker_state_running) {
- w->state = rspamd_worker_state_wanna_die;
- }
- }
-
- static void
- rspamd_worker_wait (struct rspamd_worker *w)
- {
- struct rspamd_main *rspamd_main;
- rspamd_main = w->srv;
-
- if (term_attempts < 0) {
- if (w->cf->worker->flags & RSPAMD_WORKER_KILLABLE) {
- if (kill (w->pid, SIGKILL) == -1) {
- if (errno == ESRCH) {
- /* We have actually killed the process */
- return;
- }
- }
- else {
- msg_warn_main ("terminate worker %s(%P) with SIGKILL",
- g_quark_to_string (w->type), w->pid);
- }
- }
- else {
- kill (w->pid, SIGKILL);
- if (errno == ESRCH) {
- /* We have actually killed the process */
- return;
- }
- else {
- msg_err_main ("data corruption warning: terminating "
- "special worker %s(%P) with SIGKILL",
- g_quark_to_string (w->type), w->pid);
- }
- }
- }
- }
-
- static void
- hash_worker_wait_callback (gpointer key, gpointer value, gpointer unused)
- {
- rspamd_worker_wait ((struct rspamd_worker *)value);
- }
-
- struct core_check_cbdata {
- struct rspamd_config *cfg;
- gsize total_count;
- gsize total_size;
- };
-
- #ifdef HAVE_NFTW
-
- static struct core_check_cbdata cores_cbdata;
-
- static gint
- rspamd_check_core_cb (const gchar *path, const struct stat *st,
- gint flag, struct FTW *ft)
- {
- if (S_ISREG (st->st_mode)) {
- cores_cbdata.total_count ++;
- /* Use physical size instead of displayed one */
- cores_cbdata.total_size += st->st_blocks * 512;
- }
-
- return 0;
- }
-
- #endif
-
- static void
- rspamd_check_core_limits (struct rspamd_main *rspamd_main)
- {
- #ifdef HAVE_NFTW
- struct rspamd_config *cfg = rspamd_main->cfg;
-
- cores_cbdata.cfg = cfg;
- cores_cbdata.total_count = 0;
- cores_cbdata.total_size = 0;
-
- if (cfg->cores_dir && (cfg->max_cores_count || cfg->max_cores_size)) {
- if (nftw (cfg->cores_dir, rspamd_check_core_cb, 1, FTW_MOUNT|FTW_PHYS)
- == -1) {
- msg_err_main ("nftw failed for path %s: %s", cfg->cores_dir,
- strerror (errno));
- }
- else {
- if (!rspamd_main->cores_throttling) {
- if (cfg->max_cores_size &&
- cores_cbdata.total_size > cfg->max_cores_size) {
- msg_warn_main (
- "enable cores throttling as size of cores in"
- " %s is %Hz, limit is %Hz",
- cfg->cores_dir,
- cores_cbdata.total_size,
- cfg->max_cores_size);
- rspamd_main->cores_throttling = TRUE;
- }
- if (cfg->max_cores_count &&
- cores_cbdata.total_count > cfg->max_cores_count) {
- msg_warn_main (
- "enable cores throttling as count of cores in"
- " %s is %z, limit is %z",
- cfg->cores_dir,
- cores_cbdata.total_count,
- cfg->max_cores_count);
- rspamd_main->cores_throttling = TRUE;
- }
- }
- else {
- if (cfg->max_cores_size &&
- cores_cbdata.total_size < cfg->max_cores_size) {
- msg_info_main (
- "disable cores throttling as size of cores in"
- " %s is now %Hz, limit is %Hz",
- cfg->cores_dir,
- cores_cbdata.total_size,
- cfg->max_cores_size);
- rspamd_main->cores_throttling = FALSE;
- }
- if (cfg->max_cores_count &&
- cores_cbdata.total_count < cfg->max_cores_count) {
- msg_info_main (
- "disable cores throttling as count of cores in"
- " %s is %z, limit is %z",
- cfg->cores_dir,
- cores_cbdata.total_count,
- cfg->max_cores_count);
- rspamd_main->cores_throttling = FALSE;
- }
- }
- }
- }
- #endif
- }
-
- static void
- reopen_log_handler (gpointer key, gpointer value, gpointer unused)
- {
- struct rspamd_worker *w = value;
- struct rspamd_main *rspamd_main;
-
- rspamd_main = w->srv;
-
- if (kill (w->pid, SIGUSR1) == -1) {
- msg_err_main ("kill failed for pid %P: %s", w->pid, strerror (errno));
- }
- }
-
- static gboolean
- load_rspamd_config (struct rspamd_main *rspamd_main,
- struct rspamd_config *cfg, gboolean init_modules,
- enum rspamd_post_load_options opts,
- gboolean reload)
- {
- cfg->compiled_modules = modules;
- cfg->compiled_workers = workers;
-
- if (!rspamd_config_read (cfg, cfg->cfg_name, config_logger, rspamd_main,
- ucl_vars, skip_template, lua_env)) {
- return FALSE;
- }
-
- /* Strictly set temp dir */
- if (!cfg->temp_dir) {
- msg_warn_main ("tempdir is not set, trying to use $TMPDIR");
- cfg->temp_dir =
- rspamd_mempool_strdup (cfg->cfg_pool, getenv ("TMPDIR"));
-
- if (!cfg->temp_dir) {
- msg_warn_main ("$TMPDIR is empty too, using /tmp as default");
- cfg->temp_dir = rspamd_mempool_strdup (cfg->cfg_pool, "/tmp");
- }
- }
-
- if (!reload) {
- /*
- * As some rules are defined in lua, we need to process them, then init
- * modules and merely afterwards to init modules
- */
- rspamd_lua_post_load_config (cfg);
-
- if (init_modules) {
- if (!rspamd_init_filters (cfg, reload, false)) {
- return FALSE;
- }
- }
-
- /* Do post-load actions */
- if (!rspamd_config_post_load (cfg, opts)) {
- return FALSE;
- }
- }
-
- return TRUE;
- }
-
- static void
- rspamd_detach_worker (struct rspamd_main *rspamd_main, struct rspamd_worker *wrk)
- {
- ev_io_stop (rspamd_main->event_loop, &wrk->srv_ev);
- ev_timer_stop (rspamd_main->event_loop, &wrk->hb.heartbeat_ev);
- }
-
- static void
- rspamd_attach_worker (struct rspamd_main *rspamd_main, struct rspamd_worker *wrk)
- {
- ev_io_start (rspamd_main->event_loop, &wrk->srv_ev);
- ev_timer_start (rspamd_main->event_loop, &wrk->hb.heartbeat_ev);
- }
-
- static void
- stop_srv_ev (gpointer key, gpointer value, gpointer ud)
- {
- struct rspamd_worker *cur = (struct rspamd_worker *)value;
- struct rspamd_main *rspamd_main = (struct rspamd_main *)ud;
-
- rspamd_detach_worker (rspamd_main, cur);
- }
-
- static void
- start_srv_ev (gpointer key, gpointer value, gpointer ud)
- {
- struct rspamd_worker *cur = (struct rspamd_worker *)value;
- struct rspamd_main *rspamd_main = (struct rspamd_main *)ud;
-
- rspamd_attach_worker (rspamd_main, cur);
- }
-
- static void
- rspamd_final_timer_handler (EV_P_ ev_timer *w, int revents)
- {
- struct rspamd_main *rspamd_main = (struct rspamd_main *)w->data;
-
- term_attempts--;
-
- g_hash_table_foreach (rspamd_main->workers, hash_worker_wait_callback,
- NULL);
-
- if (g_hash_table_size (rspamd_main->workers) == 0) {
- ev_break (rspamd_main->event_loop, EVBREAK_ALL);
- }
- }
-
- /* Signal handlers */
- static void
- rspamd_term_handler (struct ev_loop *loop, ev_signal *w, int revents)
- {
- struct rspamd_main *rspamd_main = (struct rspamd_main *)w->data;
- static ev_timer ev_finale;
- ev_tstamp shutdown_ts;
-
- if (!rspamd_main->wanna_die) {
- rspamd_main->wanna_die = TRUE;
- shutdown_ts = MAX (SOFT_SHUTDOWN_TIME,
- rspamd_main->cfg->task_timeout * 2.0);
- msg_info_main ("catch termination signal, waiting for %d children for %.2f seconds",
- (gint)g_hash_table_size (rspamd_main->workers),
- valgrind_mode ? shutdown_ts * 10 : shutdown_ts);
- /* Stop srv events to avoid false notifications */
- g_hash_table_foreach (rspamd_main->workers, stop_srv_ev, rspamd_main);
- rspamd_pass_signal (rspamd_main->workers, SIGTERM);
-
- if (control_fd != -1) {
- ev_io_stop (rspamd_main->event_loop, &control_ev);
- close (control_fd);
- }
-
- if (valgrind_mode) {
- /* Special case if we are likely running with valgrind */
- term_attempts = shutdown_ts / TERMINATION_INTERVAL * 10;
- }
- else {
- term_attempts = shutdown_ts / TERMINATION_INTERVAL;
- }
-
- ev_finale.data = rspamd_main;
- ev_timer_init (&ev_finale, rspamd_final_timer_handler,
- TERMINATION_INTERVAL, TERMINATION_INTERVAL);
- ev_timer_start (rspamd_main->event_loop, &ev_finale);
- }
- }
-
- static void
- rspamd_usr1_handler (struct ev_loop *loop, ev_signal *w, int revents)
- {
- struct rspamd_main *rspamd_main = (struct rspamd_main *)w->data;
-
- if (!rspamd_main->wanna_die) {
- rspamd_log_reopen (rspamd_main->logger,
- rspamd_main->cfg,
- rspamd_main->workers_uid,
- rspamd_main->workers_gid);
- msg_info_main ("logging reinitialised");
- g_hash_table_foreach (rspamd_main->workers, reopen_log_handler,
- NULL);
- }
- }
-
- static void
- rspamd_stat_update_handler (struct ev_loop *loop, ev_timer *w, int revents)
- {
- struct rspamd_main *rspamd_main = (struct rspamd_main *)w->data;
- struct rspamd_stat cur_stat;
- gchar proctitle[128];
-
- memcpy (&cur_stat, rspamd_main->stat, sizeof (cur_stat));
-
- if (old_stat.messages_scanned > 0 &&
- cur_stat.messages_scanned > old_stat.messages_scanned) {
- gdouble rate = (double)(cur_stat.messages_scanned - old_stat.messages_scanned) /
- w->repeat;
- gdouble old_spam = old_stat.actions_stat[METRIC_ACTION_REJECT] +
- old_stat.actions_stat[METRIC_ACTION_ADD_HEADER] +
- old_stat.actions_stat[METRIC_ACTION_REWRITE_SUBJECT];
- gdouble old_ham = old_stat.actions_stat[METRIC_ACTION_NOACTION];
- gdouble new_spam = cur_stat.actions_stat[METRIC_ACTION_REJECT] +
- cur_stat.actions_stat[METRIC_ACTION_ADD_HEADER] +
- cur_stat.actions_stat[METRIC_ACTION_REWRITE_SUBJECT];
- gdouble new_ham = cur_stat.actions_stat[METRIC_ACTION_NOACTION];
-
- rspamd_snprintf (proctitle, sizeof (proctitle),
- "main process; %.1f msg/sec, %.1f msg/sec spam, %.1f msg/sec ham",
- rate,
- (new_spam - old_spam) / w->repeat,
- (new_ham - old_ham) / w->repeat);
- setproctitle (proctitle);
- }
-
- memcpy (&old_stat, &cur_stat, sizeof (cur_stat));
- }
-
- static void
- rspamd_hup_handler (struct ev_loop *loop, ev_signal *w, int revents)
- {
- struct rspamd_main *rspamd_main = (struct rspamd_main *)w->data;
-
- if (!rspamd_main->wanna_die) {
- msg_info_main ("rspamd "
- RVERSION
- " is requested to reload configuration");
- /* Detach existing workers and stop their heartbeats */
- g_hash_table_foreach (rspamd_main->workers, stop_srv_ev, rspamd_main);
-
- if (reread_config (rspamd_main)) {
- rspamd_check_core_limits (rspamd_main);
- /* Mark old workers */
- g_hash_table_foreach (rspamd_main->workers, mark_old_workers, NULL);
- msg_info_main ("spawn workers with a new config");
- spawn_workers (rspamd_main, rspamd_main->event_loop);
- msg_info_main ("workers spawning has been finished");
- /* Kill marked */
- msg_info_main ("kill old workers");
- g_hash_table_foreach (rspamd_main->workers, kill_old_workers, NULL);
- }
- else {
- /* Reattach old workers */
- msg_info_main ("restore old workers with a old config");
- g_hash_table_foreach (rspamd_main->workers, start_srv_ev, rspamd_main);
- }
- }
- }
-
- /* Called when a dead child has been found */
-
- static void
- rspamd_cld_handler (EV_P_ ev_child *w, struct rspamd_main *rspamd_main,
- struct rspamd_worker *wrk)
- {
- gboolean need_refork;
- static struct rspamd_control_command cmd;
-
- /* Turn off locking for logger */
- ev_child_stop (EV_A_ w);
-
- /* Remove dead child form children list */
- g_hash_table_remove (rspamd_main->workers, GSIZE_TO_POINTER (wrk->pid));
- g_hash_table_remove_all (wrk->control_events_pending);
-
- if (wrk->srv_pipe[0] != -1) {
- /* Ugly workaround */
- if (wrk->tmp_data) {
- g_free (wrk->tmp_data);
- }
-
- rspamd_detach_worker (rspamd_main, wrk);
- }
-
- if (wrk->control_pipe[0] != -1) {
- /* We also need to clean descriptors left */
- close (wrk->control_pipe[0]);
- close (wrk->srv_pipe[0]);
- }
-
- if (!rspamd_main->wanna_die) {
- cmd.type = RSPAMD_CONTROL_CHILD_CHANGE;
- cmd.cmd.child_change.what = rspamd_child_terminated;
- cmd.cmd.child_change.pid = wrk->pid;
- cmd.cmd.child_change.additional = w->rstatus;
- rspamd_control_broadcast_srv_cmd (rspamd_main, &cmd, wrk->pid);
- }
-
- need_refork = rspamd_check_termination_clause (wrk->srv, wrk, w->rstatus);
-
- if (need_refork) {
- /* Fork another worker in replace of dead one */
- msg_info_main ("respawn process %s in lieu of terminated process with pid %P",
- g_quark_to_string (wrk->type),
- wrk->pid);
- rspamd_check_core_limits (rspamd_main);
- rspamd_fork_delayed (wrk->cf, wrk->index, rspamd_main);
- }
- else {
- msg_info_main ("do not respawn process %s after found terminated process with pid %P",
- g_quark_to_string (wrk->type),
- wrk->pid);
- }
-
- REF_RELEASE (wrk->cf);
- g_hash_table_unref (wrk->control_events_pending);
- g_free (wrk);
- }
-
- /* Control socket handler */
- static void
- rspamd_control_handler (EV_P_ ev_io *w, int revents)
- {
- struct rspamd_main *rspamd_main = (struct rspamd_main *)w->data;
- rspamd_inet_addr_t *addr;
- gint nfd;
-
- if ((nfd =
- rspamd_accept_from_socket (w->fd, &addr, NULL, NULL)) == -1) {
- msg_warn_main ("accept failed: %s", strerror (errno));
- return;
- }
- /* Check for EAGAIN */
- if (nfd == 0) {
- return;
- }
-
- msg_info_main ("accepted control connection from %s",
- rspamd_inet_address_to_string (addr));
-
- rspamd_control_process_client_socket (rspamd_main, nfd, addr);
- }
-
- static guint
- rspamd_spair_hash (gconstpointer p)
- {
- return rspamd_cryptobox_fast_hash (p, PAIR_ID_LEN, rspamd_hash_seed ());
- }
-
- static gboolean
- rspamd_spair_equal (gconstpointer a, gconstpointer b)
- {
- return memcmp (a, b, PAIR_ID_LEN) == 0;
- }
-
- static void
- rspamd_spair_close (gpointer p)
- {
- gint *fds = p;
-
- close (fds[0]);
- close (fds[1]);
- g_free (p);
- }
-
- static void
- version (void)
- {
- #if defined(GIT_VERSION) && GIT_VERSION == 1
- rspamd_printf ("Rspamd daemon version " RVERSION "-git." RID "\n");
- #else
- rspamd_printf ("Rspamd daemon version " RVERSION "\n");
- #endif
- }
-
- static gboolean
- rspamd_main_daemon (struct rspamd_main *rspamd_main)
- {
- int fd;
- pid_t old_pid = getpid ();
-
- switch (fork ()) {
- case -1:
- msg_err_main ("fork() failed: %s", strerror (errno));
- return FALSE;
-
- case 0:
- break;
-
- default:
- /* Old process */
- exit (0);
- }
-
- rspamd_log_on_fork (g_quark_from_static_string ("main"),
- rspamd_main->cfg,
- rspamd_main->logger);
-
- if (setsid () == -1) {
- msg_err_main ("setsid () failed: %s", strerror (errno));
- return FALSE;
- }
-
- umask (0);
-
- fd = open ("/dev/null", O_RDWR);
- if (fd == -1) {
- msg_err_main ("open(\"/dev/null\") failed: %s", strerror (errno));
- return FALSE;
- }
-
- if (dup2 (fd, STDIN_FILENO) == -1) {
- msg_err_main ("dup2(STDIN) failed: %s", strerror (errno));
- return FALSE;
- }
-
- if (dup2 (fd, STDOUT_FILENO) == -1) {
- msg_err_main ("dup2(STDOUT) failed: %s", strerror (errno));
- return FALSE;
- }
-
- if (fd > STDERR_FILENO) {
- if (close(fd) == -1) {
- msg_err_main ("close() failed: %s", strerror (errno));
- return FALSE;
- }
- }
-
- msg_info_main ("daemonized successfully; old pid %P, new pid %P",
- old_pid, getpid ());
-
- return TRUE;
- }
-
- gint
- main (gint argc, gchar **argv, gchar **env)
- {
- gint i, res = 0;
- struct sigaction signals, sigpipe_act;
- worker_t **pworker;
- GQuark type;
- rspamd_inet_addr_t *control_addr = NULL;
- struct ev_loop *event_loop;
- struct rspamd_main *rspamd_main;
- gboolean skip_pid = FALSE;
-
- rspamd_main = (struct rspamd_main *) g_malloc0 (sizeof (struct rspamd_main));
-
- rspamd_main->server_pool = rspamd_mempool_new (rspamd_mempool_suggest_size (),
- "main", 0);
- rspamd_main->stat = rspamd_mempool_alloc0_shared (rspamd_main->server_pool,
- sizeof (struct rspamd_stat));
- rspamd_main->cfg = rspamd_config_new (RSPAMD_CONFIG_INIT_DEFAULT);
- rspamd_main->spairs = g_hash_table_new_full (rspamd_spair_hash,
- rspamd_spair_equal, g_free, rspamd_spair_close);
- rspamd_main->start_mtx = rspamd_mempool_get_mutex (rspamd_main->server_pool);
-
- if (getenv ("VALGRIND") != NULL) {
- valgrind_mode = TRUE;
- }
-
- #ifndef HAVE_SETPROCTITLE
- init_title (rspamd_main->server_pool, argc, argv, env);
- #endif
-
- rspamd_main->cfg->libs_ctx = rspamd_init_libs ();
- memset (&signals, 0, sizeof (struct sigaction));
-
- read_cmd_line (&argc, &argv, rspamd_main->cfg);
-
- if (show_version) {
- version ();
- exit (EXIT_SUCCESS);
- }
-
- if (argc > 0) {
- /* Parse variables */
- for (i = 0; i < argc; i++) {
- if (strchr (argv[i], '=') != NULL) {
- gchar *k, *v, *t;
-
- k = g_strdup (argv[i]);
- t = strchr (k, '=');
- v = g_strdup (t + 1);
- *t = '\0';
-
- if (ucl_vars == NULL) {
- ucl_vars = g_hash_table_new_full (rspamd_strcase_hash,
- rspamd_strcase_equal, g_free, g_free);
- }
-
- g_hash_table_insert (ucl_vars, k, v);
- }
- }
- }
-
- if (is_debug) {
- rspamd_main->cfg->log_level = G_LOG_LEVEL_DEBUG;
- }
- else {
- rspamd_main->cfg->log_level = G_LOG_LEVEL_MESSAGE;
- }
-
- type = g_quark_from_static_string ("main");
-
- /* First set logger to console logger */
- rspamd_main->logger = rspamd_log_open_emergency (rspamd_main->server_pool);
- g_assert (rspamd_main->logger != NULL);
-
- if (is_debug) {
- rspamd_log_set_log_level (rspamd_main->logger, G_LOG_LEVEL_DEBUG);
- }
- else {
- rspamd_log_set_log_level (rspamd_main->logger, G_LOG_LEVEL_MESSAGE);
- }
-
- g_log_set_default_handler (rspamd_glib_log_function, rspamd_main->logger);
- g_set_printerr_handler (rspamd_glib_printerr_function);
-
- detect_priv (rspamd_main);
-
- pworker = &workers[0];
- while (*pworker) {
- /* Init string quarks */
- (void) g_quark_from_static_string ((*pworker)->name);
- pworker++;
- }
-
- /* Init listen sockets hash */
- listen_sockets = g_hash_table_new (g_direct_hash, g_direct_equal);
- sqlite3_initialize ();
-
- /* Load config */
- if (!load_rspamd_config (rspamd_main, rspamd_main->cfg, TRUE,
- RSPAMD_CONFIG_LOAD_ALL, FALSE)) {
- exit (EXIT_FAILURE);
- }
-
- /* Override pidfile from configuration by command line argument */
- if (rspamd_pidfile != NULL) {
- rspamd_main->cfg->pid_file = rspamd_pidfile;
- }
-
- /* Force debug log */
- if (is_debug) {
- rspamd_log_set_log_level (rspamd_main->logger, G_LOG_LEVEL_DEBUG);
- }
-
- /* Create rolling history */
- rspamd_main->history = rspamd_roll_history_new (rspamd_main->server_pool,
- rspamd_main->cfg->history_rows, rspamd_main->cfg);
-
- msg_info_main ("rspamd "
- RVERSION
- " is starting, build id: "
- RID);
- rspamd_main->cfg->cfg_name = rspamd_mempool_strdup (
- rspamd_main->cfg->cfg_pool,
- rspamd_main->cfg->cfg_name);
- msg_info_main ("cpu features: %s",
- rspamd_main->cfg->libs_ctx->crypto_ctx->cpu_extensions);
- msg_info_main ("cryptobox configuration: curve25519(libsodium), "
- "chacha20(%s), poly1305(libsodium), siphash(libsodium), blake2(libsodium), base64(%s)",
- rspamd_main->cfg->libs_ctx->crypto_ctx->chacha20_impl,
- rspamd_main->cfg->libs_ctx->crypto_ctx->base64_impl);
- msg_info_main ("libottery prf: %s", ottery_get_impl_name ());
-
- /* Daemonize */
- if (!no_fork) {
- if (!rspamd_main_daemon (rspamd_main)) {
- exit (EXIT_FAILURE);
- }
-
- /* Close emergency logger */
- rspamd_log_close (rspamd_log_emergency_logger ());
- }
-
- /* Write info */
- rspamd_main->pid = getpid ();
- rspamd_main->type = type;
-
- if (!valgrind_mode) {
- rspamd_set_crash_handler (rspamd_main);
- }
-
- /* Ignore SIGPIPE as we handle write errors manually */
- sigemptyset (&sigpipe_act.sa_mask);
- sigaddset (&sigpipe_act.sa_mask, SIGPIPE);
- sigpipe_act.sa_handler = SIG_IGN;
- sigpipe_act.sa_flags = 0;
- sigaction (SIGPIPE, &sigpipe_act, NULL);
-
- if (rspamd_main->cfg->pid_file == NULL) {
- msg_info_main ("pid file is not specified, skipping writing it");
- skip_pid = TRUE;
- }
- else if (no_fork) {
- msg_info_main ("skip writing pid in no-fork mode");
- skip_pid = TRUE;
- }
- else if (rspamd_write_pid (rspamd_main) == -1) {
- msg_err_main ("cannot write pid file %s", rspamd_main->cfg->pid_file);
- exit (-errno);
- }
-
- /* Block signals to use sigsuspend in future */
- sigprocmask (SIG_BLOCK, &signals.sa_mask, NULL);
-
- /* Set title */
- setproctitle ("main process");
-
- /* Open control socket if needed */
- control_fd = -1;
- if (rspamd_main->cfg->control_socket_path) {
- if (!rspamd_parse_inet_address (&control_addr,
- rspamd_main->cfg->control_socket_path,
- strlen (rspamd_main->cfg->control_socket_path),
- RSPAMD_INET_ADDRESS_PARSE_DEFAULT)) {
- msg_err_main ("cannot parse inet address %s",
- rspamd_main->cfg->control_socket_path);
- }
- else {
- control_fd = rspamd_inet_address_listen (control_addr, SOCK_STREAM,
- RSPAMD_INET_ADDRESS_LISTEN_ASYNC, -1);
- if (control_fd == -1) {
- msg_err_main ("cannot open control socket at path: %s",
- rspamd_main->cfg->control_socket_path);
- }
- }
- }
-
- /* Maybe read roll history */
- if (rspamd_main->cfg->history_file) {
- rspamd_roll_history_load (rspamd_main->history,
- rspamd_main->cfg->history_file);
- }
-
- /* Spawn workers */
- rspamd_main->workers = g_hash_table_new (g_direct_hash, g_direct_equal);
-
- /* Init event base */
- event_loop = ev_default_loop (rspamd_config_ev_backend_get (rspamd_main->cfg));
- rspamd_main->event_loop = event_loop;
-
- if (event_loop) {
- int loop_type = ev_backend (event_loop);
- gboolean effective_backend;
- const gchar *loop_str;
-
- loop_str =
- rspamd_config_ev_backend_to_string (loop_type, &effective_backend);
-
- if (!effective_backend) {
- msg_warn_main ("event loop uses non-optimal backend: %s", loop_str);
- }
- else {
- msg_info_main ("event loop initialised with backend: %s", loop_str);
- }
- }
- else {
- msg_err ("cannot init event loop! exiting");
- exit (EXIT_FAILURE);
- }
-
- /* Unblock signals */
- sigemptyset (&signals.sa_mask);
- sigprocmask (SIG_SETMASK, &signals.sa_mask, NULL);
-
- /* Set events for signals */
- ev_signal_init (&rspamd_main->term_ev, rspamd_term_handler, SIGTERM);
- rspamd_main->term_ev.data = rspamd_main;
- ev_signal_start (event_loop, &rspamd_main->term_ev);
-
- ev_signal_init (&rspamd_main->int_ev, rspamd_term_handler, SIGINT);
- rspamd_main->int_ev.data = rspamd_main;
- ev_signal_start (event_loop, &rspamd_main->int_ev);
-
- ev_signal_init (&rspamd_main->hup_ev, rspamd_hup_handler, SIGHUP);
- rspamd_main->hup_ev.data = rspamd_main;
- ev_signal_start (event_loop, &rspamd_main->hup_ev);
-
- ev_signal_init (&rspamd_main->usr1_ev, rspamd_usr1_handler, SIGUSR1);
- rspamd_main->usr1_ev.data = rspamd_main;
- ev_signal_start (event_loop, &rspamd_main->usr1_ev);
-
- /* Update proctitle according to number of messages processed */
- static const ev_tstamp stat_update_time = 10.0;
-
- memset (&old_stat, 0, sizeof (old_stat));
- stat_ev.data = rspamd_main;
- ev_timer_init (&stat_ev, rspamd_stat_update_handler,
- stat_update_time, stat_update_time);
- ev_timer_start (event_loop, &stat_ev);
-
- rspamd_check_core_limits (rspamd_main);
- rspamd_mempool_lock_mutex (rspamd_main->start_mtx);
- spawn_workers (rspamd_main, event_loop);
- rspamd_mempool_unlock_mutex (rspamd_main->start_mtx);
-
- rspamd_main->http_ctx = rspamd_http_context_create (rspamd_main->cfg,
- event_loop, rspamd_main->cfg->ups_ctx);
-
- if (control_fd != -1) {
- msg_info_main ("listening for control commands on %s",
- rspamd_inet_address_to_string (control_addr));
- ev_io_init (&control_ev, rspamd_control_handler, control_fd, EV_READ);
- control_ev.data = rspamd_main;
- ev_io_start (event_loop, &control_ev);
- }
-
- ev_loop (event_loop, 0);
-
- /* Maybe save roll history */
- if (rspamd_main->cfg->history_file) {
- rspamd_roll_history_save (rspamd_main->history,
- rspamd_main->cfg->history_file);
- }
-
- msg_info_main ("terminating...");
-
- REF_RELEASE (rspamd_main->cfg);
- rspamd_log_close (rspamd_main->logger);
- g_hash_table_unref (rspamd_main->spairs);
- g_hash_table_unref (rspamd_main->workers);
- rspamd_mempool_delete (rspamd_main->server_pool);
-
- if (!skip_pid) {
- rspamd_pidfile_close (rspamd_main->pfh);
- }
-
- g_free (rspamd_main);
- ev_unref (event_loop);
- sqlite3_shutdown ();
-
- if (control_addr) {
- rspamd_inet_address_free (control_addr);
- }
-
- return (res);
- }
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