diff options
| -rw-r--r-- | net/Makefile | 1 | ||||
| -rw-r--r-- | net/ifstated/Makefile | 44 | ||||
| -rw-r--r-- | net/ifstated/distinfo | 2 | ||||
| -rw-r--r-- | net/ifstated/files/ifstated.sh | 31 | ||||
| -rw-r--r-- | net/ifstated/files/patch-Makefile | 24 | ||||
| -rw-r--r-- | net/ifstated/files/patch-etc-ifstated.conf | 34 | ||||
| -rw-r--r-- | net/ifstated/files/patch-ifstated.8 | 17 | ||||
| -rw-r--r-- | net/ifstated/files/patch-ifstated.c | 350 | ||||
| -rw-r--r-- | net/ifstated/files/patch-ifstated.h | 34 | ||||
| -rw-r--r-- | net/ifstated/files/patch-parse.y | 25 | ||||
| -rw-r--r-- | net/ifstated/pkg-descr | 15 |
11 files changed, 577 insertions, 0 deletions
diff --git a/net/Makefile b/net/Makefile index c5b2f2a54c57..c48ce946cf29 100644 --- a/net/Makefile +++ b/net/Makefile @@ -218,6 +218,7 @@ SUBDIR += icqlib0 SUBDIR += icqnix SUBDIR += ifstat + SUBDIR += ifstated SUBDIR += imapproxy SUBDIR += imcom SUBDIR += ip6_int diff --git a/net/ifstated/Makefile b/net/ifstated/Makefile new file mode 100644 index 000000000000..6791cca431e5 --- /dev/null +++ b/net/ifstated/Makefile @@ -0,0 +1,44 @@ +# New ports collection makefile for: ifstated +# Date created: 18 November 2004 +# Whom: Matthew George <mdg@secureworks.net> +# +# $FreeBSD$ +# + +PORTNAME= ifstated +PORTVERSION= 20041117 +CATEGORIES= net +MASTER_SITES= ftp://ftp.secureworks.net/pub/ifstated/ + +MAINTAINER= mdg@secureworks.net +COMMENT= Interface State daemon + +INSTALL_TARGET= install install-man +MAN8= ifstated.8 + +PLIST_FILES= sbin/ifstated \ + etc/ifstated.conf etc/rc.d/ifstated.sh + +USE_REINPLACE= yes +PKGMESSAGE= ${WRKDIR}/pkg-message + +USE_RC_SUBR= yes +RC_SCRIPTS_SUB= PREFIX=${PREFIX} RC_SUBR=${RC_SUBR} + +post-patch: + @${SED} ${RC_SCRIPTS_SUB:S/$/!g/:S/^/ -e s!%%/:S/=/%%!/} \ + ${FILESDIR}/ifstated.sh > ${WRKDIR}/ifstated.sh + @${SED} -e 's|%%PREFIX%%|${PREFIX}|g' ${FILESDIR}/pkg-message.in > ${PKGMESSAGE} + @${REINPLACE_CMD} -e 's|%%PREFIX%%|${PREFIX}|g' ${WRKSRC}/ifstated.c ${WRKSRC}/ifstated.8 + +post-install: + ${INSTALL_SCRIPT} ${WRKDIR}/ifstated.sh ${PREFIX}/etc/rc.d/ifstated.sh + @${CAT} ${PKGMESSAGE} + +.include <bsd.port.pre.mk> + +.if ${OSVERSION} < 502113 +IGNORE= need link state change notification changes from May 2004 +.endif + +.include <bsd.port.post.mk> diff --git a/net/ifstated/distinfo b/net/ifstated/distinfo new file mode 100644 index 000000000000..31c0d0a77144 --- /dev/null +++ b/net/ifstated/distinfo @@ -0,0 +1,2 @@ +MD5 (ifstated-20041117.tar.gz) = 3255839ec706b5c40b7445677a8e7aa9 +SIZE (ifstated-20041117.tar.gz) = 12270 diff --git a/net/ifstated/files/ifstated.sh b/net/ifstated/files/ifstated.sh new file mode 100644 index 000000000000..9f852e97c0a1 --- /dev/null +++ b/net/ifstated/files/ifstated.sh @@ -0,0 +1,31 @@ +#!/bin/sh +# +# $FreeBSD$ +# + +# PROVIDE: ifstated +# REQUIRE: NETWORKING SERVERS +# BEFORE: DAEMON +# KEYWORD: FreeBSD shutdown + +# +# Add the following lines to /etc/rc.conf to enable ifstated: +# ifstated_enable (bool): Set to "NO" by default. +# Set it to "YES" to enable ifstated +# ifstated_flags (str): Set to "-f %%PREFIX%%/etc/ifstated.conf" by default. +# Extra flags passed to start command +# +. %%RC_SUBR%% + +name="ifstated" +rcvar=`set_rcvar` + +command="%%PREFIX%%/sbin/ifstated" + +[ -z "$ifstated_enable" ] && ifstated_enable="NO" +[ -z "$ifstated_flags" ] && ifstated_flags="-f %%PREFIX%%/etc/ifstated.conf" + +load_rc_config $name + +run_rc_command "$1" + diff --git a/net/ifstated/files/patch-Makefile b/net/ifstated/files/patch-Makefile new file mode 100644 index 000000000000..a43c80c8b14d --- /dev/null +++ b/net/ifstated/files/patch-Makefile @@ -0,0 +1,24 @@ +--- Makefile 18 Nov 2004 21:43:12 -0000 1.1.1.1 ++++ Makefile 18 Nov 2004 23:33:55 -0000 1.4 +@@ -1,4 +1,5 @@ + # $OpenBSD: Makefile,v 1.3 2004/02/05 02:26:23 mcbride Exp $ ++# $Id: Makefile,v 1.4 2004/11/18 23:33:55 mdg Exp $ + + PROG= ifstated + SRCS= ifstated.c parse.y +@@ -7,6 +8,14 @@ + CLFAGS+= -Wmissing-declarations -Wredundant-decls + CFLAGS+= -Wshadow -Wpointer-arith -Wcast-qual + MAN= ifstated.8 +-LDADD+=-lutil -levent ++ ++ ++install: ++ $(INSTALL) -m 555 -g bin -o bin ifstated $(PREFIX)/sbin ++ $(INSTALL) -m 644 -g wheel -o root etc/ifstated.conf $(PREFIX)/etc ++ ++install-man: ++ $(INSTALL) -m 444 -g bin -o bin ifstated.8 $(PREFIX)/man/man8 ++ + + .include <bsd.prog.mk> diff --git a/net/ifstated/files/patch-etc-ifstated.conf b/net/ifstated/files/patch-etc-ifstated.conf new file mode 100644 index 000000000000..2adb701099f7 --- /dev/null +++ b/net/ifstated/files/patch-etc-ifstated.conf @@ -0,0 +1,34 @@ +--- etc/ifstated.conf 18 Nov 2004 21:43:12 -0000 1.1.1.1 ++++ etc/ifstated.conf 18 Nov 2004 21:48:39 -0000 1.2 +@@ -1,4 +1,5 @@ + # $OpenBSD: ifstated.conf,v 1.4 2004/04/28 01:01:27 deraadt Exp $ ++# $Id: ifstated.conf,v 1.2 2004/11/18 21:48:39 mdg Exp $ + # This is a sample config for a pair of firewalls with two interfaces + # + # carp0 and carp1 have ip addresses on 192.168.3.0/24 and 192.168.6.0/24 +@@ -7,7 +8,7 @@ + # net.inet.carp.preempt must be enabled (set to 1) for this to work correctly. + + # Uncomment one of the following lines to force primary/backup status. +-# init-state primary ++init-state primary + # init-state backup + + carp_up = "((carp0 link up) and (carp1 link up))" +@@ -18,12 +19,12 @@ + # The "net" addresses are other addresses which can be used to determine + # whether we have connectivity. Make sure the hosts are always up, or + # test multiple ip's, 'or'-ing the tests. +-net = '( "ping -q -c 1 -w 1 192.168.6.8 > /dev/null" every 10 and \ +- "ping -q -c 1 -w 1 192.168.3.8 > /dev/null" every 10)' ++net = '( "ping -q -c 1 -t 1 192.168.6.8 > /dev/null" every 10 and \ ++ "ping -q -c 1 -t 1 192.168.3.8 > /dev/null" every 10)' + + # The peer addresses below are the real ip addresses of the OTHER firewall +-peer = '( "ping -q -c 1 -w 1 192.168.6.7 > /dev/null" every 10 and \ +- "ping -q -c 1 -w 1 192.168.3.7 > /dev/null" every 10)' ++peer = '( "ping -q -c 1 -t 1 192.168.6.7 > /dev/null" every 10 and \ ++ "ping -q -c 1 -t 1 192.168.3.7 > /dev/null" every 10)' + + state auto { + if $carp_up { diff --git a/net/ifstated/files/patch-ifstated.8 b/net/ifstated/files/patch-ifstated.8 new file mode 100644 index 000000000000..a4fcc6d55365 --- /dev/null +++ b/net/ifstated/files/patch-ifstated.8 @@ -0,0 +1,17 @@ +--- ifstated.8 18 Nov 2004 21:43:12 -0000 1.1.1.1 ++++ ifstated.8 18 Nov 2004 22:14:58 -0000 1.3 +@@ -1,4 +1,5 @@ + .\" $OpenBSD: ifstated.8,v 1.5 2004/09/27 22:26:26 jaredy Exp $ ++.\" $Id: ifstated.8,v 1.3 2004/11/18 22:14:58 mdg Exp $ + .\" + .\" Copyright (c) 2004 Ryan McBride <mcbride@openbsd.org> + .\" +@@ -79,7 +80,7 @@ + reloads the configuration file. + .Sh FILES + .Bl -tag -width "/etc/ifstated.conf" -compact +-.It Pa /etc/ifstated.conf ++.It Pa %%PREFIX%%/etc/ifstated.conf + .Nm + configuration file. + .El diff --git a/net/ifstated/files/patch-ifstated.c b/net/ifstated/files/patch-ifstated.c new file mode 100644 index 000000000000..f8d69840141c --- /dev/null +++ b/net/ifstated/files/patch-ifstated.c @@ -0,0 +1,350 @@ +--- ifstated.c 18 Nov 2004 21:43:12 -0000 1.1.1.1 ++++ ifstated.c 18 Nov 2004 21:48:39 -0000 1.2 +@@ -1,4 +1,5 @@ + /* $OpenBSD: ifstated.c,v 1.20 2004/10/05 21:17:02 mpf Exp $ */ ++/* $Id: ifstated.c,v 1.2 2004/11/18 21:48:39 mdg Exp $ */ + + /* + * Copyright (c) 2004 Marco Pfatschbacher <mpf@openbsd.org> +@@ -23,12 +24,15 @@ + */ + + #include <sys/types.h> ++#include <sys/event.h> + #include <sys/time.h> + #include <sys/ioctl.h> + #include <sys/socket.h> + #include <sys/wait.h> ++#include <sys/sysctl.h> + + #include <net/if.h> ++#include <net/if_mib.h> + #include <net/route.h> + #include <netinet/in.h> + +@@ -38,8 +42,6 @@ + #include <fcntl.h> + #include <signal.h> + #include <err.h> +-#include <event.h> +-#include <util.h> + #include <unistd.h> + #include <syslog.h> + #include <stdarg.h> +@@ -52,15 +54,15 @@ + int opts = 0; + int opt_debug = 0; + int opt_inhibit = 0; +-char *configfile = "/etc/ifstated.conf"; +-struct event rt_msg_ev, sighup_ev, startup_ev, sigchld_ev; ++char *configfile = "%%PREFIX%%/etc/ifstated.conf"; ++int kq; ++struct kevent kev; + +-void startup_handler(int, short, void *); +-void sighup_handler(int, short, void *); ++void startup_handler(void); ++void sighup_handler(void); + int load_config(void); + void sigchld_handler(int, short, void *); +-void rt_msg_handler(int, short, void *); +-void external_handler(int, short, void *); ++void rt_msg_handler(int fd); + void external_async_exec(struct ifsd_external *); + void check_external_status(struct ifsd_state *); + void external_evtimer_setup(struct ifsd_state *, int); +@@ -76,6 +78,8 @@ + void remove_expression(struct ifsd_expression *, struct ifsd_state *); + void log_init(int); + void logit(int level, const char *fmt, ...); ++int get_ifcount(void); ++int get_ifmib_general(int, struct ifmibdata *); + + void + usage(void) +@@ -90,7 +94,7 @@ + int + main(int argc, char *argv[]) + { +- struct timeval tv; ++ struct timespec ts; + int ch; + + while ((ch = getopt(argc, argv, "dD:f:hniv")) != -1) { +@@ -137,26 +141,54 @@ + setproctitle(NULL); + } + +- event_init(); ++ kq = kqueue(); ++ + log_init(opt_debug); + +- signal_set(&sigchld_ev, SIGCHLD, sigchld_handler, &sigchld_ev); +- signal_add(&sigchld_ev, NULL); ++ ts.tv_sec = 0; ++ ts.tv_nsec = 0; ++ ++ EV_SET(&kev, SIGCHLD, EVFILT_SIGNAL, EV_ADD, 0, 0, (void *)sigchld_handler); ++ kevent(kq, &kev, 1, NULL, 0, &ts); + + /* Loading the config needs to happen in the event loop */ +- tv.tv_usec = 0; +- tv.tv_sec = 0; +- evtimer_set(&startup_ev, startup_handler, &startup_ev); +- evtimer_add(&startup_ev, &tv); + +- event_loop(0); ++ EV_SET(&kev, IFSD_EVTIMER_STARTUP, EVFILT_TIMER, EV_ADD|EV_ONESHOT, 0, 0, (void *)startup_handler); ++ kevent(kq, &kev, 1, NULL, 0, &ts); ++ ++ /* event loop */ ++ for(;;) ++ { ++ /* wait indefinitely for an event */ ++ kevent(kq, NULL, 0, &kev, 1, NULL); ++ ++ void (*handler)(void); ++ void (*rt_handler)(int); ++ if (kev.filter == EVFILT_READ) ++ { ++ rt_handler = kev.udata; ++ rt_handler(kev.ident); ++ } ++ else if ((kev.filter == EVFILT_TIMER) && (kev.ident == IFSD_EVTIMER_EXTERNAL)) ++ { ++ external_async_exec((struct ifsd_external *)kev.udata); ++ } ++ else ++ { ++ handler = kev.udata; ++ handler(); ++ } ++ } ++ ++ /* NOTREACHED */ + exit(0); + } + + void +-startup_handler(int fd, short event, void *arg) ++startup_handler() + { + int rt_fd; ++ struct timespec ts; + + if (load_config() != 0) { + logit(IFSD_LOG_NORMAL, "unable to load config"); +@@ -166,18 +198,20 @@ + if ((rt_fd = socket(PF_ROUTE, SOCK_RAW, 0)) < 0) + err(1, "no routing socket"); + +- event_set(&rt_msg_ev, rt_fd, EV_READ|EV_PERSIST, +- rt_msg_handler, &rt_msg_ev); +- event_add(&rt_msg_ev, NULL); ++ ts.tv_sec = 0; ++ ts.tv_nsec = 0; + +- signal_set(&sighup_ev, SIGHUP, sighup_handler, &sighup_ev); +- signal_add(&sighup_ev, NULL); ++ EV_SET(&kev, rt_fd, EVFILT_READ, EV_ADD, 0, 0, (void *)rt_msg_handler); ++ kevent(kq, &kev, 1, NULL, 0, &ts); ++ ++ EV_SET(&kev, SIGHUP, EVFILT_SIGNAL, EV_ADD, 0, 0, (void *)sighup_handler); ++ kevent(kq, &kev, 1, NULL, 0, &ts); + + logit(IFSD_LOG_NORMAL, "started"); + } + + void +-sighup_handler(int fd, short event, void *arg) ++sighup_handler() + { + logit(IFSD_LOG_NORMAL, "reloading config"); + if (load_config() != 0) +@@ -208,7 +242,7 @@ + } + + void +-rt_msg_handler(int fd, short event, void *arg) ++rt_msg_handler(int fd) + { + char msg[2048]; + struct rt_msghdr *rtm = (struct rt_msghdr *)&msg; +@@ -246,22 +280,6 @@ + } + + void +-external_handler(int fd, short event, void *arg) +-{ +- struct ifsd_external *external = (struct ifsd_external *)arg; +- struct timeval tv; +- +- /* re-schedule */ +- tv.tv_usec = 0; +- tv.tv_sec = external->frequency; +- evtimer_set(&external->ev, external_handler, external); +- evtimer_add(&external->ev, &tv); +- +- /* execute */ +- external_async_exec(external); +-} +- +-void + external_async_exec(struct ifsd_external *external) + { + char *argp[] = {"sh", "-c", NULL, NULL}; +@@ -355,23 +373,25 @@ + external_evtimer_setup(struct ifsd_state *state, int action) + { + struct ifsd_external *external; ++ struct timespec ts; ++ int freq; ++ ++ ts.tv_nsec = 0; ++ ts.tv_sec = 0; + + if (state != NULL) { + switch (action) { + case IFSD_EVTIMER_ADD: + TAILQ_FOREACH(external, + &state->external_tests, entries) { +- struct timeval tv; +- ++ + /* run it once right away */ + external_async_exec(external); + + /* schedule it for later */ +- tv.tv_usec = 0; +- tv.tv_sec = external->frequency; +- evtimer_set(&external->ev, external_handler, +- external); +- evtimer_add(&external->ev, &tv); ++ freq = (external->frequency * 1000); ++ EV_SET(&kev, IFSD_EVTIMER_EXTERNAL, EVFILT_TIMER, EV_ADD, 0, freq, (void *)external); ++ kevent(kq, &kev, 1, NULL, 0, &ts); + } + break; + case IFSD_EVTIMER_DEL: +@@ -381,7 +401,9 @@ + kill(external->pid, SIGKILL); + external->pid = 0; + } +- evtimer_del(&external->ev); ++ freq = (external->frequency * 1000); ++ EV_SET(&kev, IFSD_EVTIMER_EXTERNAL, EVFILT_TIMER, EV_DELETE, 0, freq, (void *)external); ++ kevent(kq, &kev, 1, NULL, 0, &ts); + } + break; + } +@@ -505,7 +527,6 @@ + logit(IFSD_LOG_NORMAL, "changing state to %s", + conf->nextstate->name); + if (conf->curstate != NULL) { +- evtimer_del(&conf->curstate->ev); + external_evtimer_setup(conf->curstate, + IFSD_EVTIMER_DEL); + } +@@ -551,6 +572,48 @@ + } + } + ++ ++int ++get_ifcount(void) ++{ ++ int name[5], count; ++ size_t len; ++ ++ name[0] = CTL_NET; ++ name[1] = PF_LINK; ++ name[2] = NETLINK_GENERIC; ++ name[3] = IFMIB_SYSTEM; ++ name[4] = IFMIB_IFCOUNT; ++ ++ len = sizeof(int); ++ ++ if (sysctl(name, 5, &count, &len, NULL, 0) != -1) ++ return(count); ++ else ++ return(-1); ++} ++ ++ ++int ++get_ifmib_general(int row, struct ifmibdata *ifmd) ++{ ++ int name[6]; ++ size_t len; ++ ++ name[0] = CTL_NET; ++ name[1] = PF_LINK; ++ name[2] = NETLINK_GENERIC; ++ name[3] = IFMIB_IFDATA; ++ name[4] = row; ++ name[5] = IFDATA_GENERAL; ++ ++ len = sizeof(*ifmd); ++ ++ return sysctl(name, 6, ifmd, &len, (void *)0, 0); ++} ++ ++ ++ + /* + * Fetch the current link states. + */ +@@ -560,29 +623,34 @@ + struct ifaddrs *ifap, *ifa; + char *oname = NULL; + int sock = socket(AF_INET, SOCK_DGRAM, 0); ++ int ifcount = get_ifcount(); ++ int i; + +- if (getifaddrs(&ifap) != 0) ++ if (getifaddrs(&ifap) != 0 || ifcount == -1) + err(1, "getifaddrs"); + + for (ifa = ifap; ifa; ifa = ifa->ifa_next) { +- struct ifreq ifr; +- struct if_data ifrdat; ++ struct ifmibdata ifmd; ++ struct if_data ifdata; + + if (oname && !strcmp(oname, ifa->ifa_name)) + continue; + oname = ifa->ifa_name; + +- strlcpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name)); +- ifr.ifr_data = (caddr_t)&ifrdat; +- +- if (ioctl(sock, SIOCGIFDATA, (caddr_t)&ifr) == -1) +- continue; ++ for (i = 1; i <= ifcount; i++) ++ { ++ get_ifmib_general(i, &ifmd); ++ if (! strcmp(ifmd.ifmd_name, oname)) ++ break; ++ } ++ ++ ifdata = ifmd.ifmd_data; + + scan_ifstate(if_nametoindex(ifa->ifa_name), +- ifrdat.ifi_link_state, &conf->always); ++ ifdata.ifi_link_state, &conf->always); + if (conf->curstate != NULL) + scan_ifstate(if_nametoindex(ifa->ifa_name), +- ifrdat.ifi_link_state, conf->curstate); ++ ifdata.ifi_link_state, conf->curstate); + } + freeifaddrs(ifap); + close(sock); +@@ -664,7 +732,6 @@ + TAILQ_REMOVE(&state->external_tests, + expression->u.external, entries); + free(expression->u.external->command); +- event_del(&expression->u.external->ev); + free(expression->u.external); + } + break; diff --git a/net/ifstated/files/patch-ifstated.h b/net/ifstated/files/patch-ifstated.h new file mode 100644 index 000000000000..92a4ecbcd8d8 --- /dev/null +++ b/net/ifstated/files/patch-ifstated.h @@ -0,0 +1,34 @@ +--- ifstated.h 18 Nov 2004 21:43:12 -0000 1.1.1.1 ++++ ifstated.h 18 Nov 2004 21:48:39 -0000 1.2 +@@ -1,4 +1,5 @@ + /* $OpenBSD: ifstated.h,v 1.4 2004/03/10 00:13:38 deraadt Exp $ */ ++/* $Id: ifstated.h,v 1.2 2004/11/18 21:48:39 mdg Exp $ */ + + /* + * Copyright (c) 2004 Ryan McBride +@@ -47,7 +48,7 @@ + + struct ifsd_external { + TAILQ_ENTRY(ifsd_external) entries; +- struct event ev; ++ struct kevent kev; + struct ifsd_expression_list expressions; + char *command; + int prevstatus; +@@ -107,7 +108,7 @@ + TAILQ_HEAD(ifsd_external_list, ifsd_external); + + struct ifsd_state { +- struct event ev; ++ struct kevent kev; + struct ifsd_ifstate_list interface_states; + struct ifsd_external_list external_tests; + TAILQ_ENTRY(ifsd_state) entries; +@@ -138,6 +139,7 @@ + }; + + enum { IFSD_EVTIMER_ADD, IFSD_EVTIMER_DEL }; ++enum { IFSD_EVTIMER_STARTUP, IFSD_EVTIMER_EXTERNAL }; + struct ifsd_config *parse_config(char *, int); + int cmdline_symset(char *); + void clear_config(struct ifsd_config *); diff --git a/net/ifstated/files/patch-parse.y b/net/ifstated/files/patch-parse.y new file mode 100644 index 000000000000..1c577c9cb55f --- /dev/null +++ b/net/ifstated/files/patch-parse.y @@ -0,0 +1,25 @@ +--- parse.y 18 Nov 2004 21:43:12 -0000 1.1.1.1 ++++ parse.y 18 Nov 2004 21:48:39 -0000 1.2 +@@ -1,4 +1,5 @@ + /* $OpenBSD: parse.y,v 1.7 2004/04/28 01:00:50 deraadt Exp $ */ ++/* $Id: parse.y,v 1.2 2004/11/18 21:48:39 mdg Exp $ */ + + /* + * Copyright (c) 2004 Ryan McBride <mcbride@openbsd.org> +@@ -24,6 +25,7 @@ + #include <sys/types.h> + #include <sys/time.h> + #include <sys/socket.h> ++#include <sys/limits.h> + #include <netinet/in.h> + #include <arpa/inet.h> + #include <net/if.h> +@@ -35,7 +37,7 @@ + #include <stdio.h> + #include <string.h> + #include <syslog.h> +-#include <event.h> ++#include <sys/event.h> + + #include "ifstated.h" + diff --git a/net/ifstated/pkg-descr b/net/ifstated/pkg-descr new file mode 100644 index 000000000000..c4abf5732402 --- /dev/null +++ b/net/ifstated/pkg-descr @@ -0,0 +1,15 @@ + +This is a port of ifstated(8) from OpenBSD. From the manpage: + +*** +The ifstated daemon runs commands in response to network state changes, +which it determines by monitoring interface link state or running exter- +nal tests. For example, it can be used with carp(4) to change running +services or to ensure that carp(4) interfaces stay in sync, or with pf(4) +to test server or link availability and modify translation or routing +rules. +*** + +It has been modified to use FreeBSD's kqueue/kevent mechanism and sysctl. + +Matthew George <mdg@secureworks.net> |