2 * Copyright (c) 2002-2010 M. Warner Losh.
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 the
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
26 * my_system is a variation on lib/libc/stdlib/system.c:
28 * Copyright (c) 1988, 1993
29 * The Regents of the University of California. All rights reserved.
31 * Redistribution and use in source and binary forms, with or without
32 * modification, are permitted provided that the following conditions
34 * 1. Redistributions of source code must retain the above copyright
35 * notice, this list of conditions and the following disclaimer.
36 * 2. Redistributions in binary form must reproduce the above copyright
37 * notice, this list of conditions and the following disclaimer in the
38 * documentation and/or other materials provided with the distribution.
39 * 4. Neither the name of the University nor the names of its contributors
40 * may be used to endorse or promote products derived from this software
41 * without specific prior written permission.
43 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
44 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
45 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
46 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
47 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
48 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
49 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
50 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
51 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
52 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
57 * DEVD control daemon.
61 // o devd.conf and devd man pages need a lot of help:
62 // - devd needs to document the unix domain socket
63 // - devd.conf needs more details on the supported statements.
65 #include <sys/cdefs.h>
66 __FBSDID("$FreeBSD$");
68 #include <sys/param.h>
69 #include <sys/socket.h>
71 #include <sys/sysctl.h>
72 #include <sys/types.h>
101 #include "devd.h" /* C compatible definitions */
102 #include "devd.hh" /* C++ class definitions */
104 #define STREAMPIPE "/var/run/devd.pipe"
105 #define SEQPACKETPIPE "/var/run/devd.seqpacket.pipe"
106 #define CF "/etc/devd.conf"
107 #define SYSCTL "hw.bus.devctl_queue"
110 * Since the client socket is nonblocking, we must increase its send buffer to
111 * handle brief event storms. On FreeBSD, AF_UNIX sockets don't have a receive
112 * buffer, so the client can't increase the buffersize by itself.
114 * For example, when creating a ZFS pool, devd emits one 165 character
115 * resource.fs.zfs.statechange message for each vdev in the pool. The kernel
116 * allocates a 4608B mbuf for each message. Modern technology places a limit of
117 * roughly 450 drives/rack, and it's unlikely that a zpool will ever be larger
120 * 450 drives * 165 bytes / drive = 74250B of data in the sockbuf
121 * 450 drives * 4608B / drive = 2073600B of mbufs in the sockbuf
123 * We can't directly set the sockbuf's mbuf limit, but we can do it indirectly.
124 * The kernel sets it to the minimum of a hard-coded maximum value and sbcc *
125 * kern.ipc.sockbuf_waste_factor, where sbcc is the socket buffer size set by
126 * the user. The default value of kern.ipc.sockbuf_waste_factor is 8. If we
127 * set the bufsize to 256k and use the kern.ipc.sockbuf_waste_factor, then the
128 * kernel will set the mbuf limit to 2MB, which is just large enough for 450
129 * drives. It also happens to be the same as the hardcoded maximum value.
131 #define CLIENT_BUFSIZE 262144
135 typedef struct client {
143 static const char notify = '!';
144 static const char nomatch = '?';
145 static const char attach = '+';
146 static const char detach = '-';
148 static struct pidfh *pfh;
150 static int no_daemon = 0;
151 static int daemonize_quick = 0;
152 static int quiet_mode = 0;
153 static unsigned total_events = 0;
154 static volatile sig_atomic_t got_siginfo = 0;
155 static volatile sig_atomic_t romeo_must_die = 0;
157 static const char *configfile = CF;
159 static void devdlog(int priority, const char* message, ...)
161 static void event_loop(void);
162 static void usage(void) __dead2;
164 template <class T> void
165 delete_and_clear(vector<T *> &v)
167 typename vector<T *>::const_iterator i;
169 for (i = v.begin(); i != v.end(); ++i)
176 event_proc::event_proc() : _prio(-1)
181 event_proc::~event_proc()
183 delete_and_clear(_epsvec);
187 event_proc::add(eps *eps)
189 _epsvec.push_back(eps);
193 event_proc::matches(config &c) const
195 vector<eps *>::const_iterator i;
197 for (i = _epsvec.begin(); i != _epsvec.end(); ++i)
198 if (!(*i)->do_match(c))
204 event_proc::run(config &c) const
206 vector<eps *>::const_iterator i;
208 for (i = _epsvec.begin(); i != _epsvec.end(); ++i)
209 if (!(*i)->do_action(c))
214 action::action(const char *cmd)
226 my_system(const char *command)
230 struct sigaction ign, intact, quitact;
231 sigset_t newsigblock, oldsigblock;
233 if (!command) /* just checking... */
237 * Ignore SIGINT and SIGQUIT, block SIGCHLD. Remember to save
238 * existing signal dispositions.
240 ign.sa_handler = SIG_IGN;
241 ::sigemptyset(&ign.sa_mask);
243 ::sigaction(SIGINT, &ign, &intact);
244 ::sigaction(SIGQUIT, &ign, &quitact);
245 ::sigemptyset(&newsigblock);
246 ::sigaddset(&newsigblock, SIGCHLD);
247 ::sigprocmask(SIG_BLOCK, &newsigblock, &oldsigblock);
248 switch (pid = ::fork()) {
253 * Restore original signal dispositions and exec the command.
255 ::sigaction(SIGINT, &intact, NULL);
256 ::sigaction(SIGQUIT, &quitact, NULL);
257 ::sigprocmask(SIG_SETMASK, &oldsigblock, NULL);
259 * Close the PID file, and all other open descriptors.
260 * Inherit std{in,out,err} only.
264 ::execl(_PATH_BSHELL, "sh", "-c", command, (char *)NULL);
266 default: /* parent */
269 pid = ::wait4(savedpid, &pstat, 0, (struct rusage *)0);
270 } while (pid == -1 && errno == EINTR);
273 ::sigaction(SIGINT, &intact, NULL);
274 ::sigaction(SIGQUIT, &quitact, NULL);
275 ::sigprocmask(SIG_SETMASK, &oldsigblock, NULL);
276 return (pid == -1 ? -1 : pstat);
280 action::do_action(config &c)
282 string s = c.expand_string(_cmd.c_str());
283 devdlog(LOG_INFO, "Executing '%s'\n", s.c_str());
284 my_system(s.c_str());
288 match::match(config &c, const char *var, const char *re) :
291 _re(c.expand_string(_inv ? re + 1 : re, "^", "$"))
293 regcomp(&_regex, _re.c_str(), REG_EXTENDED | REG_NOSUB | REG_ICASE);
302 match::do_match(config &c)
304 const string &value = c.get_variable(_var);
308 * This function gets called WAY too often to justify calling syslog()
309 * each time, even at LOG_DEBUG. Because if syslogd isn't running, it
310 * can consume excessive amounts of systime inside of connect(). Only
311 * log when we're in -d mode.
314 devdlog(LOG_DEBUG, "Testing %s=%s against %s, invert=%d\n",
315 _var.c_str(), value.c_str(), _re.c_str(), _inv);
318 retval = (regexec(&_regex, value.c_str(), 0, NULL, 0) == 0);
320 retval = (retval == 0) ? 1 : 0;
325 #include <sys/sockio.h>
327 #include <net/if_media.h>
329 media::media(config &, const char *var, const char *type)
330 : _var(var), _type(-1)
332 static struct ifmedia_description media_types[] = {
333 { IFM_ETHER, "Ethernet" },
334 { IFM_TOKEN, "Tokenring" },
335 { IFM_FDDI, "FDDI" },
336 { IFM_IEEE80211, "802.11" },
341 for (int i = 0; media_types[i].ifmt_string != NULL; ++i)
342 if (strcasecmp(type, media_types[i].ifmt_string) == 0) {
343 _type = media_types[i].ifmt_word;
353 media::do_match(config &c)
356 struct ifmediareq ifmr;
360 // Since we can be called from both a device attach/detach
361 // context where device-name is defined and what we want,
362 // as well as from a link status context, where subsystem is
363 // the name of interest, first try device-name and fall back
364 // to subsystem if none exists.
365 value = c.get_variable("device-name");
367 value = c.get_variable("subsystem");
368 devdlog(LOG_DEBUG, "Testing media type of %s against 0x%x\n",
369 value.c_str(), _type);
373 s = socket(PF_INET, SOCK_DGRAM, 0);
375 memset(&ifmr, 0, sizeof(ifmr));
376 strlcpy(ifmr.ifm_name, value.c_str(), sizeof(ifmr.ifm_name));
378 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) >= 0 &&
379 ifmr.ifm_status & IFM_AVALID) {
380 devdlog(LOG_DEBUG, "%s has media type 0x%x\n",
381 value.c_str(), IFM_TYPE(ifmr.ifm_active));
382 retval = (IFM_TYPE(ifmr.ifm_active) == _type);
383 } else if (_type == -1) {
384 devdlog(LOG_DEBUG, "%s has unknown media type\n",
394 const string var_list::bogus = "_$_$_$_$_B_O_G_U_S_$_$_$_$_";
395 const string var_list::nothing = "";
398 var_list::get_variable(const string &var) const
400 map<string, string>::const_iterator i;
403 if (i == _vars.end())
404 return (var_list::bogus);
409 var_list::is_set(const string &var) const
411 return (_vars.find(var) != _vars.end());
415 var_list::set_variable(const string &var, const string &val)
418 * This function gets called WAY too often to justify calling syslog()
419 * each time, even at LOG_DEBUG. Because if syslogd isn't running, it
420 * can consume excessive amounts of systime inside of connect(). Only
421 * log when we're in -d mode.
424 devdlog(LOG_DEBUG, "setting %s=%s\n", var.c_str(), val.c_str());
432 delete_and_clear(_var_list_table);
433 delete_and_clear(_attach_list);
434 delete_and_clear(_detach_list);
435 delete_and_clear(_nomatch_list);
436 delete_and_clear(_notify_list);
440 config::parse_one_file(const char *fn)
442 devdlog(LOG_DEBUG, "Parsing %s\n", fn);
443 yyin = fopen(fn, "r");
445 err(1, "Cannot open config file %s", fn);
448 errx(1, "Cannot parse %s at line %d", fn, lineno);
453 config::parse_files_in_dir(const char *dirname)
459 devdlog(LOG_DEBUG, "Parsing files in %s\n", dirname);
460 dirp = opendir(dirname);
463 readdir(dirp); /* Skip . */
464 readdir(dirp); /* Skip .. */
465 while ((dp = readdir(dirp)) != NULL) {
466 if (strcmp(dp->d_name + dp->d_namlen - 5, ".conf") == 0) {
467 snprintf(path, sizeof(path), "%s/%s",
468 dirname, dp->d_name);
469 parse_one_file(path);
477 int operator()(event_proc *const&l1, event_proc *const&l2) const
479 return (l1->get_priority() > l2->get_priority());
484 config::sort_vector(vector<event_proc *> &v)
486 stable_sort(v.begin(), v.end(), epv_greater());
492 vector<string>::const_iterator i;
494 parse_one_file(configfile);
495 for (i = _dir_list.begin(); i != _dir_list.end(); ++i)
496 parse_files_in_dir((*i).c_str());
497 sort_vector(_attach_list);
498 sort_vector(_detach_list);
499 sort_vector(_nomatch_list);
500 sort_vector(_notify_list);
504 config::open_pidfile()
508 if (_pidfile.empty())
510 pfh = pidfile_open(_pidfile.c_str(), 0600, &otherpid);
513 errx(1, "devd already running, pid: %d", (int)otherpid);
514 warn("cannot open pid file");
519 config::write_pidfile()
526 config::close_pidfile()
533 config::remove_pidfile()
540 config::add_attach(int prio, event_proc *p)
542 p->set_priority(prio);
543 _attach_list.push_back(p);
547 config::add_detach(int prio, event_proc *p)
549 p->set_priority(prio);
550 _detach_list.push_back(p);
554 config::add_directory(const char *dir)
556 _dir_list.push_back(string(dir));
560 config::add_nomatch(int prio, event_proc *p)
562 p->set_priority(prio);
563 _nomatch_list.push_back(p);
567 config::add_notify(int prio, event_proc *p)
569 p->set_priority(prio);
570 _notify_list.push_back(p);
574 config::set_pidfile(const char *fn)
580 config::push_var_table()
585 _var_list_table.push_back(vl);
586 devdlog(LOG_DEBUG, "Pushing table\n");
590 config::pop_var_table()
592 delete _var_list_table.back();
593 _var_list_table.pop_back();
594 devdlog(LOG_DEBUG, "Popping table\n");
598 config::set_variable(const char *var, const char *val)
600 _var_list_table.back()->set_variable(var, val);
604 config::get_variable(const string &var)
606 vector<var_list *>::reverse_iterator i;
608 for (i = _var_list_table.rbegin(); i != _var_list_table.rend(); ++i) {
609 if ((*i)->is_set(var))
610 return ((*i)->get_variable(var));
612 return (var_list::nothing);
616 config::is_id_char(char ch) const
618 return (ch != '\0' && (isalpha(ch) || isdigit(ch) || ch == '_' ||
623 config::expand_one(const char *&src, string &dst)
636 // Not sure if I want to support this or not, so for now we just pass
641 /* If the string ends before ) is matched , return. */
642 while (count > 0 && *src) {
645 else if (*src == '(')
652 // $[^-A-Za-z_*] -> $\1
653 if (!isalpha(*src) && *src != '_' && *src != '-' && *src != '*') {
659 // $var -> replace with value
662 } while (is_id_char(*src));
663 dst.append(get_variable(buffer));
667 config::expand_string(const char *src, const char *prepend, const char *append)
673 * 128 bytes is enough for 2427 of 2438 expansions that happen
674 * while parsing config files, as tested on 2013-01-30.
682 var_at = strchr(src, '$');
683 if (var_at == NULL) {
687 dst.append(src, var_at - src);
689 expand_one(src, dst);
699 config::chop_var(char *&buffer, char *&lhs, char *&rhs) const
705 walker = lhs = buffer;
706 while (is_id_char(*walker))
711 if (*walker == '"') {
714 while (*walker && *walker != '"')
722 while (*walker && !isspace(*walker))
728 while (isspace(*walker))
736 config::set_vars(char *buffer)
742 if (!chop_var(buffer, lhs, rhs))
744 set_variable(lhs, rhs);
750 config::find_and_execute(char type)
752 vector<event_proc *> *l;
753 vector<event_proc *>::const_iterator i;
776 devdlog(LOG_DEBUG, "Processing %s event\n", s);
777 for (i = l->begin(); i != l->end(); ++i) {
778 if ((*i)->matches(*this)) {
788 process_event(char *buffer)
796 devdlog(LOG_INFO, "Processing event '%s'\n", buffer);
798 cfg.push_var_table();
799 // $* is the entire line
800 cfg.set_variable("*", buffer - 1);
801 // $_ is the entire line without the initial character
802 cfg.set_variable("_", buffer);
804 // Save the time this happened (as approximated by when we got
805 // around to processing it).
806 gettimeofday(&tv, NULL);
807 asprintf(×tr, "%jd.%06ld", (uintmax_t)tv.tv_sec, tv.tv_usec);
808 cfg.set_variable("timestamp", timestr);
811 // Match doesn't have a device, and the format is a little
812 // different, so handle it separately.
816 sp = cfg.set_vars(sp);
819 //? at location pnp-info on bus
820 sp = strchr(sp, ' ');
822 return; /* Can't happen? */
826 if (strncmp(sp, "at ", 3) == 0)
828 sp = cfg.set_vars(sp);
831 if (strncmp(sp, "on ", 3) == 0)
832 cfg.set_variable("bus", sp + 3);
834 case attach: /*FALLTHROUGH*/
836 sp = strchr(sp, ' ');
838 return; /* Can't happen? */
840 cfg.set_variable("device-name", buffer);
843 if (strncmp(sp, "at ", 3) == 0)
845 sp = cfg.set_vars(sp);
848 if (strncmp(sp, "on ", 3) == 0)
849 cfg.set_variable("bus", sp + 3);
853 cfg.find_and_execute(type);
858 create_socket(const char *name, int socktype)
861 struct sockaddr_un sun;
863 if ((fd = socket(PF_LOCAL, socktype, 0)) < 0)
865 bzero(&sun, sizeof(sun));
866 sun.sun_family = AF_UNIX;
867 strlcpy(sun.sun_path, name, sizeof(sun.sun_path));
868 slen = SUN_LEN(&sun);
870 if (fcntl(fd, F_SETFL, O_NONBLOCK) < 0)
872 if (::bind(fd, (struct sockaddr *) & sun, slen) < 0)
875 if (chown(name, 0, 0)) /* XXX - root.wheel */
877 if (chmod(name, 0666))
882 unsigned int max_clients = 10; /* Default, can be overridden on cmdline. */
883 unsigned int num_clients;
885 list<client_t> clients;
888 notify_clients(const char *data, int len)
890 list<client_t>::iterator i;
893 * Deliver the data to all clients. Throw clients overboard at the
894 * first sign of trouble. This reaps clients who've died or closed
895 * their sockets, and also clients who are alive but failing to keep up
896 * (or who are maliciously not reading, to consume buffer space in
897 * kernel memory or tie up the limited number of available connections).
899 for (i = clients.begin(); i != clients.end(); ) {
901 if (i->socktype == SOCK_SEQPACKET)
906 if (send(i->fd, data, len, flags) != len) {
909 i = clients.erase(i);
910 devdlog(LOG_WARNING, "notify_clients: send() failed; "
911 "dropping unresponsive client\n");
922 list<client_t>::iterator i;
925 * Check all existing clients to see if any of them have disappeared.
926 * Normally we reap clients when we get an error trying to send them an
927 * event. This check eliminates the problem of an ever-growing list of
928 * zombie clients because we're never writing to them on a system
929 * without frequent device-change activity.
932 for (i = clients.begin(); i != clients.end(); ) {
934 s = poll(&pfd, 1, 0);
935 if ((s < 0 && s != EINTR ) ||
936 (s > 0 && (pfd.revents & POLLHUP))) {
939 i = clients.erase(i);
940 devdlog(LOG_NOTICE, "check_clients: "
941 "dropping disconnected client\n");
948 new_client(int fd, int socktype)
954 * First go reap any zombie clients, then accept the connection, and
955 * shut down the read side to stop clients from consuming kernel memory
956 * by sending large buffers full of data we'll never read.
959 s.socktype = socktype;
960 s.fd = accept(fd, NULL, NULL);
962 sndbuf_size = CLIENT_BUFSIZE;
963 if (setsockopt(s.fd, SOL_SOCKET, SO_SNDBUF, &sndbuf_size,
964 sizeof(sndbuf_size)))
965 err(1, "setsockopt");
966 shutdown(s.fd, SHUT_RD);
967 clients.push_back(s);
978 char buffer[DEVCTL_MAXBUF];
980 int stream_fd, seqpacket_fd, max_fd;
985 fd = open(PATH_DEVCTL, O_RDONLY | O_CLOEXEC);
987 err(1, "Can't open devctl device %s", PATH_DEVCTL);
988 stream_fd = create_socket(STREAMPIPE, SOCK_STREAM);
989 seqpacket_fd = create_socket(SEQPACKETPIPE, SOCK_SEQPACKET);
991 max_fd = max(fd, max(stream_fd, seqpacket_fd)) + 1;
992 while (!romeo_must_die) {
993 if (!once && !no_daemon && !daemonize_quick) {
994 // Check to see if we have any events pending.
999 rv = select(fd + 1, &fds, &fds, &fds, &tv);
1000 // No events -> we've processed all pending events
1002 devdlog(LOG_DEBUG, "Calling daemon\n");
1003 cfg.remove_pidfile();
1006 cfg.write_pidfile();
1011 * When we've already got the max number of clients, stop
1012 * accepting new connections (don't put the listening sockets in
1013 * the set), shrink the accept() queue to reject connections
1014 * quickly, and poll the existing clients more often, so that we
1015 * notice more quickly when any of them disappear to free up
1020 if (num_clients < max_clients) {
1022 listen(stream_fd, max_clients);
1023 listen(seqpacket_fd, max_clients);
1026 FD_SET(stream_fd, &fds);
1027 FD_SET(seqpacket_fd, &fds);
1032 listen(stream_fd, 0);
1033 listen(seqpacket_fd, 0);
1039 rv = select(max_fd, &fds, NULL, NULL, &tv);
1041 devdlog(LOG_NOTICE, "Events received so far=%u\n",
1051 if (FD_ISSET(fd, &fds)) {
1052 rv = read(fd, buffer, sizeof(buffer) - 1);
1055 if (rv == sizeof(buffer) - 1) {
1056 devdlog(LOG_WARNING, "Warning: "
1057 "available event data exceeded "
1060 notify_clients(buffer, rv);
1062 while (buffer[--rv] == '\n')
1065 process_event(buffer);
1067 catch (std::length_error e) {
1068 devdlog(LOG_ERR, "Dropping event %s "
1069 "due to low memory", buffer);
1071 } else if (rv < 0) {
1079 if (FD_ISSET(stream_fd, &fds))
1080 new_client(stream_fd, SOCK_STREAM);
1082 * Aside from the socket type, both sockets use the same
1083 * protocol, so we can process clients the same way.
1085 if (FD_ISSET(seqpacket_fd, &fds))
1086 new_client(seqpacket_fd, SOCK_SEQPACKET);
1088 cfg.remove_pidfile();
1089 close(seqpacket_fd);
1095 * functions that the parser uses.
1098 add_attach(int prio, event_proc *p)
1100 cfg.add_attach(prio, p);
1104 add_detach(int prio, event_proc *p)
1106 cfg.add_detach(prio, p);
1110 add_directory(const char *dir)
1112 cfg.add_directory(dir);
1113 free(const_cast<char *>(dir));
1117 add_nomatch(int prio, event_proc *p)
1119 cfg.add_nomatch(prio, p);
1123 add_notify(int prio, event_proc *p)
1125 cfg.add_notify(prio, p);
1129 add_to_event_proc(event_proc *ep, eps *eps)
1132 ep = new event_proc();
1138 new_action(const char *cmd)
1140 eps *e = new action(cmd);
1141 free(const_cast<char *>(cmd));
1146 new_match(const char *var, const char *re)
1148 eps *e = new match(cfg, var, re);
1149 free(const_cast<char *>(var));
1150 free(const_cast<char *>(re));
1155 new_media(const char *var, const char *re)
1157 eps *e = new media(cfg, var, re);
1158 free(const_cast<char *>(var));
1159 free(const_cast<char *>(re));
1164 set_pidfile(const char *name)
1166 cfg.set_pidfile(name);
1167 free(const_cast<char *>(name));
1171 set_variable(const char *var, const char *val)
1173 cfg.set_variable(var, val);
1174 free(const_cast<char *>(var));
1175 free(const_cast<char *>(val));
1187 * SIGINFO handler. Will print useful statistics to the syslog or stderr
1197 * Local logging function. Prints to syslog if we're daemonized; stderr
1201 devdlog(int priority, const char* fmt, ...)
1205 va_start(argp, fmt);
1207 vfprintf(stderr, fmt, argp);
1208 else if ((! quiet_mode) || (priority <= LOG_WARNING))
1209 vsyslog(priority, fmt, argp);
1216 fprintf(stderr, "usage: %s [-dnq] [-l connlimit] [-f file]\n",
1222 check_devd_enabled()
1228 if (sysctlbyname(SYSCTL, &val, &len, NULL, 0) != 0)
1229 errx(1, "devctl sysctl missing from kernel!");
1231 warnx("Setting " SYSCTL " to 1000");
1233 if (sysctlbyname(SYSCTL, NULL, NULL, &val, sizeof(val)))
1234 err(1, "sysctlbyname");
1242 main(int argc, char **argv)
1246 check_devd_enabled();
1247 while ((ch = getopt(argc, argv, "df:l:nq")) != -1) {
1253 configfile = optarg;
1256 max_clients = MAX(1, strtoul(optarg, NULL, 0));
1259 daemonize_quick = 1;
1270 if (!no_daemon && daemonize_quick) {
1273 cfg.write_pidfile();
1275 signal(SIGPIPE, SIG_IGN);
1276 signal(SIGHUP, gensighand);
1277 signal(SIGINT, gensighand);
1278 signal(SIGTERM, gensighand);
1279 signal(SIGINFO, siginfohand);