2 * Copyright (c) 2005 Michael Bushkov <bushman@rsu.ru>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in thereg
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 #include <sys/cdefs.h>
29 __FBSDID("$FreeBSD$");
31 #include <sys/types.h>
32 #include <sys/event.h>
33 #include <sys/socket.h>
35 #include <sys/param.h>
49 #include "agents/passwd.h"
50 #include "agents/group.h"
51 #include "agents/services.h"
59 #include "singletons.h"
62 #define CONFIG_PATH "/etc/nscd.conf"
64 #define DEFAULT_CONFIG_PATH "nscd.conf"
66 #define MAX_SOCKET_IO_SIZE 4096
68 struct processing_thread_args {
70 struct configuration *the_configuration;
71 struct runtime_env *the_runtime_env;
74 static void accept_connection(struct kevent *, struct runtime_env *,
75 struct configuration *);
76 static void destroy_cache_(cache);
77 static void destroy_runtime_env(struct runtime_env *);
78 static cache init_cache_(struct configuration *);
79 static struct runtime_env *init_runtime_env(struct configuration *);
80 static void print_version_info(void);
81 static void processing_loop(cache, struct runtime_env *,
82 struct configuration *);
83 static void process_socket_event(struct kevent *, struct runtime_env *,
84 struct configuration *);
85 static void process_timer_event(struct kevent *, struct runtime_env *,
86 struct configuration *);
87 static void *processing_thread(void *);
88 static void usage(void);
90 void get_time_func(struct timeval *);
93 print_version_info(void)
95 TRACE_IN(print_version_info);
96 printf("nscd v0.2 (20 Oct 2005)\nwas developed during SoC 2005\n");
97 TRACE_OUT(print_version_info);
104 "usage: nscd [-dnst] [-i cachename] [-I cachename]\n");
109 init_cache_(struct configuration *config)
111 struct cache_params params;
114 struct configuration_entry *config_entry;
118 TRACE_IN(init_cache_);
120 memset(¶ms, 0, sizeof(struct cache_params));
121 params.get_time_func = get_time_func;
122 retval = init_cache(¶ms);
124 size = configuration_get_entries_size(config);
125 for (i = 0; i < size; ++i) {
126 config_entry = configuration_get_entry(config, i);
128 * We should register common entries now - multipart entries
129 * would be registered automatically during the queries.
131 res = register_cache_entry(retval, (struct cache_entry_params *)
132 &config_entry->positive_cache_params);
133 config_entry->positive_cache_entry = find_cache_entry(retval,
134 config_entry->positive_cache_params.entry_name);
135 assert(config_entry->positive_cache_entry !=
136 INVALID_CACHE_ENTRY);
138 res = register_cache_entry(retval, (struct cache_entry_params *)
139 &config_entry->negative_cache_params);
140 config_entry->negative_cache_entry = find_cache_entry(retval,
141 config_entry->negative_cache_params.entry_name);
142 assert(config_entry->negative_cache_entry !=
143 INVALID_CACHE_ENTRY);
146 LOG_MSG_2("cache", "cache was successfully initialized");
147 TRACE_OUT(init_cache_);
152 destroy_cache_(cache the_cache)
154 TRACE_IN(destroy_cache_);
155 destroy_cache(the_cache);
156 TRACE_OUT(destroy_cache_);
160 * Socket and kqueues are prepared here. We have one global queue for both
161 * socket and timers events.
163 static struct runtime_env *
164 init_runtime_env(struct configuration *config)
167 struct sockaddr_un serv_addr;
169 struct kevent eventlist;
170 struct timespec timeout;
172 struct runtime_env *retval;
174 TRACE_IN(init_runtime_env);
175 retval = (struct runtime_env *)malloc(sizeof(struct runtime_env));
176 assert(retval != NULL);
177 memset(retval, 0, sizeof(struct runtime_env));
179 retval->sockfd = socket(PF_LOCAL, SOCK_STREAM, 0);
181 if (config->force_unlink == 1)
182 unlink(config->socket_path);
184 memset(&serv_addr, 0, sizeof(struct sockaddr_un));
185 serv_addr.sun_family = PF_LOCAL;
186 strncpy(serv_addr.sun_path, config->socket_path,
187 sizeof(serv_addr.sun_path));
188 serv_addr_len = sizeof(serv_addr.sun_family) +
189 strlen(serv_addr.sun_path) + 1;
191 if (bind(retval->sockfd, (struct sockaddr *)&serv_addr,
192 serv_addr_len) == -1) {
193 close(retval->sockfd);
196 LOG_ERR_2("runtime environment", "can't bind socket to path: "
197 "%s", config->socket_path);
198 TRACE_OUT(init_runtime_env);
201 LOG_MSG_2("runtime environment", "using socket %s",
202 config->socket_path);
205 * Here we're marking socket as non-blocking and setting its backlog
206 * to the maximum value
208 chmod(config->socket_path, config->socket_mode);
209 listen(retval->sockfd, -1);
210 fcntl(retval->sockfd, F_SETFL, O_NONBLOCK);
212 retval->queue = kqueue();
213 assert(retval->queue != -1);
215 EV_SET(&eventlist, retval->sockfd, EVFILT_READ, EV_ADD | EV_ONESHOT,
217 memset(&timeout, 0, sizeof(struct timespec));
218 kevent(retval->queue, &eventlist, 1, NULL, 0, &timeout);
220 LOG_MSG_2("runtime environment", "successfully initialized");
221 TRACE_OUT(init_runtime_env);
226 destroy_runtime_env(struct runtime_env *env)
228 TRACE_IN(destroy_runtime_env);
232 TRACE_OUT(destroy_runtime_env);
236 accept_connection(struct kevent *event_data, struct runtime_env *env,
237 struct configuration *config)
239 struct kevent eventlist[2];
240 struct timespec timeout;
241 struct query_state *qstate;
249 TRACE_IN(accept_connection);
250 fd = accept(event_data->ident, NULL, NULL);
252 LOG_ERR_2("accept_connection", "error %d during accept()",
254 TRACE_OUT(accept_connection);
258 if (getpeereid(fd, &euid, &egid) != 0) {
259 LOG_ERR_2("accept_connection", "error %d during getpeereid()",
261 TRACE_OUT(accept_connection);
265 qstate = init_query_state(fd, sizeof(int), euid, egid);
266 if (qstate == NULL) {
267 LOG_ERR_2("accept_connection", "can't init query_state");
268 TRACE_OUT(accept_connection);
272 memset(&timeout, 0, sizeof(struct timespec));
273 EV_SET(&eventlist[0], fd, EVFILT_TIMER, EV_ADD | EV_ONESHOT,
274 0, qstate->timeout.tv_sec * 1000, qstate);
275 EV_SET(&eventlist[1], fd, EVFILT_READ, EV_ADD | EV_ONESHOT,
276 NOTE_LOWAT, qstate->kevent_watermark, qstate);
277 res = kevent(env->queue, eventlist, 2, NULL, 0, &timeout);
279 LOG_ERR_2("accept_connection", "kevent error");
281 TRACE_OUT(accept_connection);
285 process_socket_event(struct kevent *event_data, struct runtime_env *env,
286 struct configuration *config)
288 struct kevent eventlist[2];
289 struct timeval query_timeout;
290 struct timespec kevent_timeout;
294 struct query_state *qstate;
296 TRACE_IN(process_socket_event);
297 eof_res = event_data->flags & EV_EOF ? 1 : 0;
300 memset(&kevent_timeout, 0, sizeof(struct timespec));
301 EV_SET(&eventlist[0], event_data->ident, EVFILT_TIMER, EV_DELETE,
303 nevents = kevent(env->queue, eventlist, 1, NULL, 0, &kevent_timeout);
305 if (errno == ENOENT) {
306 /* the timer is already handling this event */
307 TRACE_OUT(process_socket_event);
310 /* some other error happened */
311 LOG_ERR_2("process_socket_event", "kevent error, errno"
313 TRACE_OUT(process_socket_event);
317 qstate = (struct query_state *)event_data->udata;
320 * If the buffer that is to be send/received is too large,
321 * we send it implicitly, by using query_io_buffer_read and
322 * query_io_buffer_write functions in the query_state. These functions
323 * use the temporary buffer, which is later send/received in parts.
324 * The code below implements buffer splitting/mergind for send/receive
325 * operations. It also does the actual socket IO operations.
327 if (((qstate->use_alternate_io == 0) &&
328 (qstate->kevent_watermark <= event_data->data)) ||
329 ((qstate->use_alternate_io != 0) &&
330 (qstate->io_buffer_watermark <= event_data->data))) {
331 if (qstate->use_alternate_io != 0) {
332 switch (qstate->io_buffer_filter) {
334 io_res = query_socket_read(qstate,
336 qstate->io_buffer_watermark);
338 qstate->use_alternate_io = 0;
339 qstate->process_func = NULL;
341 qstate->io_buffer_p += io_res;
342 if (qstate->io_buffer_p ==
344 qstate->io_buffer_size) {
345 qstate->io_buffer_p =
347 qstate->use_alternate_io = 0;
356 if (qstate->use_alternate_io == 0) {
358 res = qstate->process_func(qstate);
359 } while ((qstate->kevent_watermark == 0) &&
360 (qstate->process_func != NULL) &&
364 qstate->process_func = NULL;
367 if ((qstate->use_alternate_io != 0) &&
368 (qstate->io_buffer_filter == EVFILT_WRITE)) {
369 io_res = query_socket_write(qstate, qstate->io_buffer_p,
370 qstate->io_buffer_watermark);
372 qstate->use_alternate_io = 0;
373 qstate->process_func = NULL;
375 qstate->io_buffer_p += io_res;
378 /* assuming that socket was closed */
379 qstate->process_func = NULL;
380 qstate->use_alternate_io = 0;
383 if (((qstate->process_func == NULL) &&
384 (qstate->use_alternate_io == 0)) ||
385 (eof_res != 0) || (res != 0)) {
386 destroy_query_state(qstate);
387 close(event_data->ident);
388 TRACE_OUT(process_socket_event);
392 /* updating the query_state lifetime variable */
393 get_time_func(&query_timeout);
394 query_timeout.tv_usec = 0;
395 query_timeout.tv_sec -= qstate->creation_time.tv_sec;
396 if (query_timeout.tv_sec > qstate->timeout.tv_sec)
397 query_timeout.tv_sec = 0;
399 query_timeout.tv_sec = qstate->timeout.tv_sec -
400 query_timeout.tv_sec;
402 if ((qstate->use_alternate_io != 0) && (qstate->io_buffer_p ==
403 qstate->io_buffer + qstate->io_buffer_size))
404 qstate->use_alternate_io = 0;
406 if (qstate->use_alternate_io == 0) {
408 * If we must send/receive the large block of data,
409 * we should prepare the query_state's io_XXX fields.
410 * We should also substitute its write_func and read_func
411 * with the query_io_buffer_write and query_io_buffer_read,
412 * which will allow us to implicitly send/receive this large
413 * buffer later (in the subsequent calls to the
414 * process_socket_event).
416 if (qstate->kevent_watermark > MAX_SOCKET_IO_SIZE) {
417 if (qstate->io_buffer != NULL)
418 free(qstate->io_buffer);
420 qstate->io_buffer = (char *)malloc(
421 qstate->kevent_watermark);
422 assert(qstate->io_buffer != NULL);
423 memset(qstate->io_buffer, 0, qstate->kevent_watermark);
425 qstate->io_buffer_p = qstate->io_buffer;
426 qstate->io_buffer_size = qstate->kevent_watermark;
427 qstate->io_buffer_filter = qstate->kevent_filter;
429 qstate->write_func = query_io_buffer_write;
430 qstate->read_func = query_io_buffer_read;
432 if (qstate->kevent_filter == EVFILT_READ)
433 qstate->use_alternate_io = 1;
435 qstate->io_buffer_watermark = MAX_SOCKET_IO_SIZE;
436 EV_SET(&eventlist[1], event_data->ident,
437 qstate->kevent_filter, EV_ADD | EV_ONESHOT,
438 NOTE_LOWAT, MAX_SOCKET_IO_SIZE, qstate);
440 EV_SET(&eventlist[1], event_data->ident,
441 qstate->kevent_filter, EV_ADD | EV_ONESHOT,
442 NOTE_LOWAT, qstate->kevent_watermark, qstate);
445 if (qstate->io_buffer + qstate->io_buffer_size -
446 qstate->io_buffer_p <
447 MAX_SOCKET_IO_SIZE) {
448 qstate->io_buffer_watermark = qstate->io_buffer +
449 qstate->io_buffer_size - qstate->io_buffer_p;
450 EV_SET(&eventlist[1], event_data->ident,
451 qstate->io_buffer_filter,
452 EV_ADD | EV_ONESHOT, NOTE_LOWAT,
453 qstate->io_buffer_watermark,
456 qstate->io_buffer_watermark = MAX_SOCKET_IO_SIZE;
457 EV_SET(&eventlist[1], event_data->ident,
458 qstate->io_buffer_filter, EV_ADD | EV_ONESHOT,
459 NOTE_LOWAT, MAX_SOCKET_IO_SIZE, qstate);
462 EV_SET(&eventlist[0], event_data->ident, EVFILT_TIMER,
463 EV_ADD | EV_ONESHOT, 0, query_timeout.tv_sec * 1000, qstate);
464 kevent(env->queue, eventlist, 2, NULL, 0, &kevent_timeout);
466 TRACE_OUT(process_socket_event);
470 * This routine is called if timer event has been signaled in the kqueue. It
471 * just closes the socket and destroys the query_state.
474 process_timer_event(struct kevent *event_data, struct runtime_env *env,
475 struct configuration *config)
477 struct query_state *qstate;
479 TRACE_IN(process_timer_event);
480 qstate = (struct query_state *)event_data->udata;
481 destroy_query_state(qstate);
482 close(event_data->ident);
483 TRACE_OUT(process_timer_event);
487 * Processing loop is the basic processing routine, that forms a body of each
491 processing_loop(cache the_cache, struct runtime_env *env,
492 struct configuration *config)
494 struct timespec timeout;
495 const int eventlist_size = 1;
496 struct kevent eventlist[eventlist_size];
499 TRACE_MSG("=> processing_loop");
500 memset(&timeout, 0, sizeof(struct timespec));
501 memset(&eventlist, 0, sizeof(struct kevent) * eventlist_size);
504 nevents = kevent(env->queue, NULL, 0, eventlist,
505 eventlist_size, NULL);
507 * we can only receive 1 event on success
510 struct kevent *event_data;
511 event_data = &eventlist[0];
513 if (event_data->ident == env->sockfd) {
514 for (i = 0; i < event_data->data; ++i)
515 accept_connection(event_data, env, config);
517 EV_SET(eventlist, s_runtime_env->sockfd,
518 EVFILT_READ, EV_ADD | EV_ONESHOT,
521 sizeof(struct timespec));
522 kevent(s_runtime_env->queue, eventlist,
523 1, NULL, 0, &timeout);
526 switch (event_data->filter) {
529 process_socket_event(event_data,
533 process_timer_event(event_data,
541 /* this branch shouldn't be currently executed */
545 TRACE_MSG("<= processing_loop");
549 * Wrapper above the processing loop function. It sets the thread signal mask
550 * to avoid SIGPIPE signals (which can happen if the client works incorrectly).
553 processing_thread(void *data)
555 struct processing_thread_args *args;
558 TRACE_MSG("=> processing_thread");
559 args = (struct processing_thread_args *)data;
562 sigaddset(&new, SIGPIPE);
563 if (pthread_sigmask(SIG_BLOCK, &new, NULL) != 0)
564 LOG_ERR_1("processing thread",
565 "thread can't block the SIGPIPE signal");
567 processing_loop(args->the_cache, args->the_runtime_env,
568 args->the_configuration);
570 TRACE_MSG("<= processing_thread");
576 get_time_func(struct timeval *time)
579 memset(&res, 0, sizeof(struct timespec));
580 clock_gettime(CLOCK_MONOTONIC, &res);
582 time->tv_sec = res.tv_sec;
587 * The idea of _nss_cache_cycle_prevention_function is that nsdispatch will
588 * search for this symbol in the executable. This symbol is the attribute of
589 * the caching daemon. So, if it exists, nsdispatch won't try to connect to
590 * the caching daemon and will just ignore the 'cache' source in the
591 * nsswitch.conf. This method helps to avoid cycles and organize
592 * self-performing requests.
595 _nss_cache_cycle_prevention_function(void)
600 main(int argc, char *argv[])
602 struct processing_thread_args *thread_args;
605 struct pidfh *pidfile;
608 char const *config_file;
609 char const *error_str;
613 int trace_mode_enabled;
614 int force_single_threaded;
615 int do_not_daemonize;
616 int clear_user_cache_entries, clear_all_cache_entries;
617 char *user_config_entry_name, *global_config_entry_name;
619 int daemon_mode, interactive_mode;
622 /* by default all debug messages are omitted */
626 print_version_info();
628 /* parsing command line arguments */
629 trace_mode_enabled = 0;
630 force_single_threaded = 0;
631 do_not_daemonize = 0;
632 clear_user_cache_entries = 0;
633 clear_all_cache_entries = 0;
635 user_config_entry_name = NULL;
636 global_config_entry_name = NULL;
637 while ((res = getopt(argc, argv, "nstdi:I:")) != -1) {
640 do_not_daemonize = 1;
643 force_single_threaded = 1;
646 trace_mode_enabled = 1;
649 clear_user_cache_entries = 1;
651 if (strcmp(optarg, "all") != 0)
652 user_config_entry_name = strdup(optarg);
655 clear_all_cache_entries = 1;
657 if (strcmp(optarg, "all") != 0)
658 global_config_entry_name =
671 daemon_mode = do_not_daemonize | force_single_threaded |
673 interactive_mode = clear_user_cache_entries | clear_all_cache_entries |
676 if ((daemon_mode != 0) && (interactive_mode != 0)) {
677 LOG_ERR_1("main", "daemon mode and interactive_mode arguments "
678 "can't be used together");
682 if (interactive_mode != 0) {
683 FILE *pidfin = fopen(DEFAULT_PIDFILE_PATH, "r");
686 struct nscd_connection_params connection_params;
687 nscd_connection connection;
692 errx(EXIT_FAILURE, "There is no daemon running.");
694 memset(pidbuf, 0, sizeof(pidbuf));
695 fread(pidbuf, sizeof(pidbuf) - 1, 1, pidfin);
698 if (ferror(pidfin) != 0)
699 errx(EXIT_FAILURE, "Can't read from pidfile.");
701 if (sscanf(pidbuf, "%d", &pid) != 1)
702 errx(EXIT_FAILURE, "Invalid pidfile.");
703 LOG_MSG_1("main", "daemon PID is %d", pid);
706 memset(&connection_params, 0,
707 sizeof(struct nscd_connection_params));
708 connection_params.socket_path = DEFAULT_SOCKET_PATH;
709 connection = open_nscd_connection__(&connection_params);
710 if (connection == INVALID_NSCD_CONNECTION)
711 errx(EXIT_FAILURE, "Can't connect to the daemon.");
713 if (clear_user_cache_entries != 0) {
714 result = nscd_transform__(connection,
715 user_config_entry_name, TT_USER);
718 "user cache transformation failed");
721 "user cache_transformation "
725 if (clear_all_cache_entries != 0) {
727 errx(EXIT_FAILURE, "Only root can initiate "
728 "global cache transformation.");
730 result = nscd_transform__(connection,
731 global_config_entry_name, TT_ALL);
734 "global cache transformation "
738 "global cache transformation "
742 close_nscd_connection__(connection);
744 free(user_config_entry_name);
745 free(global_config_entry_name);
746 return (EXIT_SUCCESS);
749 pidfile = pidfile_open(DEFAULT_PIDFILE_PATH, 0644, &pid);
750 if (pidfile == NULL) {
752 errx(EXIT_FAILURE, "Daemon already running, pid: %d.",
754 warn("Cannot open or create pidfile");
757 if (trace_mode_enabled == 1)
760 /* blocking the main thread from receiving SIGPIPE signal */
761 sigblock(sigmask(SIGPIPE));
764 if (do_not_daemonize == 0) {
765 res = daemon(0, trace_mode_enabled == 0 ? 0 : 1);
767 LOG_ERR_1("main", "can't daemonize myself: %s",
769 pidfile_remove(pidfile);
772 LOG_MSG_1("main", "successfully daemonized");
775 pidfile_write(pidfile);
777 s_agent_table = init_agent_table();
778 register_agent(s_agent_table, init_passwd_agent());
779 register_agent(s_agent_table, init_passwd_mp_agent());
780 register_agent(s_agent_table, init_group_agent());
781 register_agent(s_agent_table, init_group_mp_agent());
782 register_agent(s_agent_table, init_services_agent());
783 register_agent(s_agent_table, init_services_mp_agent());
784 LOG_MSG_1("main", "request agents registered successfully");
787 * Hosts agent can't work properly until we have access to the
788 * appropriate dtab structures, which are used in nsdispatch
791 register_agent(s_agent_table, init_hosts_agent());
794 /* configuration initialization */
795 s_configuration = init_configuration();
796 fill_configuration_defaults(s_configuration);
800 config_file = CONFIG_PATH;
802 res = parse_config_file(s_configuration, config_file, &error_str,
804 if ((res != 0) && (error_str == NULL)) {
805 config_file = DEFAULT_CONFIG_PATH;
806 res = parse_config_file(s_configuration, config_file,
807 &error_str, &error_line);
811 if (error_str != NULL) {
812 LOG_ERR_1("main", "error in configuration file(%s, %d): %s\n",
813 config_file, error_line, error_str);
815 LOG_ERR_1("main", "no configuration file found "
816 "- was looking for %s and %s",
817 CONFIG_PATH, DEFAULT_CONFIG_PATH);
819 destroy_configuration(s_configuration);
823 if (force_single_threaded == 1)
824 s_configuration->threads_num = 1;
826 /* cache initialization */
827 s_cache = init_cache_(s_configuration);
828 if (s_cache == NULL) {
829 LOG_ERR_1("main", "can't initialize the cache");
830 destroy_configuration(s_configuration);
834 /* runtime environment initialization */
835 s_runtime_env = init_runtime_env(s_configuration);
836 if (s_runtime_env == NULL) {
837 LOG_ERR_1("main", "can't initialize the runtime environment");
838 destroy_configuration(s_configuration);
839 destroy_cache_(s_cache);
843 if (s_configuration->threads_num > 1) {
844 threads = (pthread_t *)malloc(sizeof(pthread_t) *
845 s_configuration->threads_num);
846 memset(threads, 0, sizeof(pthread_t) *
847 s_configuration->threads_num);
848 for (i = 0; i < s_configuration->threads_num; ++i) {
849 thread_args = (struct processing_thread_args *)malloc(
850 sizeof(struct processing_thread_args));
851 thread_args->the_cache = s_cache;
852 thread_args->the_runtime_env = s_runtime_env;
853 thread_args->the_configuration = s_configuration;
855 LOG_MSG_1("main", "thread #%d was successfully created",
857 pthread_create(&threads[i], NULL, processing_thread,
863 for (i = 0; i < s_configuration->threads_num; ++i)
864 pthread_join(threads[i], NULL);
866 LOG_MSG_1("main", "working in single-threaded mode");
867 processing_loop(s_cache, s_runtime_env, s_configuration);
871 /* runtime environment destruction */
872 destroy_runtime_env(s_runtime_env);
874 /* cache destruction */
875 destroy_cache_(s_cache);
877 /* configuration destruction */
878 destroy_configuration(s_configuration);
880 /* agents table destruction */
881 destroy_agent_table(s_agent_table);
883 pidfile_remove(pidfile);
884 return (EXIT_SUCCESS);