Date: Tue, 28 Mar 2023 10:08:53 +0100 From: Alexander Chernikov <melifaro@FreeBSD.org> To: Jessica Clarke <jrtc27@freebsd.org> Cc: "src-committers@freebsd.org" <src-committers@FreeBSD.org>, "dev-commits-src-all@freebsd.org" <dev-commits-src-all@FreeBSD.org>, "dev-commits-src-main@freebsd.org" <dev-commits-src-main@FreeBSD.org> Subject: Re: git: c597432e2297 - main - route(8): convert to netlink Message-ID: <F0DD3830-654C-49F1-B6D6-C17171A30553@FreeBSD.org> In-Reply-To: <81A0DF64-F466-451F-83CB-86A9FC1EB300@freebsd.org> References: <202303261107.32QB7UZK058893@gitrepo.freebsd.org> <81A0DF64-F466-451F-83CB-86A9FC1EB300@freebsd.org>
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--Apple-Mail=_AE460F85-A90B-4D1C-9453-E5B4D7CEC4B9 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 > On 27 Mar 2023, at 21:41, Jessica Clarke <jrtc27@freebsd.org> wrote: >=20 > On 26 Mar 2023, at 12:07, Alexander V. Chernikov <melifaro@FreeBSD.org = <mailto:melifaro@FreeBSD.org>> wrote: >>=20 >> The branch main has been updated by melifaro: >>=20 >> URL: = https://cgit.FreeBSD.org/src/commit/?id=3Dc597432e22975f4d409b845377996712= 9c6b57e9 >>=20 >> commit c597432e22975f4d409b8453779967129c6b57e9 >> Author: Alexander V. Chernikov <melifaro@FreeBSD.org> >> AuthorDate: 2023-03-26 09:13:50 +0000 >> Commit: Alexander V. Chernikov <melifaro@FreeBSD.org> >> CommitDate: 2023-03-26 11:06:56 +0000 >>=20 >> route(8): convert to netlink >>=20 >> This change converts all kernel rtsock interactions in route(8) >> to Netlink. >>=20 >> Based on the WITHOUT_NETLINK_SUPPORT src.conf(5) variable, route(8) >> now fully operates either via Netlink or via rtsock/sysctl. >> The default (compile-time) is Netlink. >>=20 >> The output for route delete/add/get/flush is targeted to be exactly >> the same (apart from some error handling cases). >> The output for the route monitor has been changed to improve >> readability and support netlink models. >>=20 >> Other behaviour changes: >> * exact prefix lookup (route -n get a.b.c.d/e) is not yet = supported. >> * route monitor does not show the change originator yet. >=20 > If there are regressions then it should be off by default, = *especially* Hi Jessica, I have a plan to fix both this week. I=E2=80=99d also want to note that = these two are not the documented / often used features. > when we=E2=80=99re just under a month out from the proposed 14 code = slush. >=20 > Jess >=20 >> Differential Revision: https://reviews.freebsd.org/D39007 >> --- >> sbin/route/Makefile | 6 + >> sbin/route/route.c | 117 +++++-- >> sbin/route/route_netlink.c | 835 = +++++++++++++++++++++++++++++++++++++++++++++ >> 3 files changed, 930 insertions(+), 28 deletions(-) >>=20 >> diff --git a/sbin/route/Makefile b/sbin/route/Makefile >> index e65030f805bb..aec222310d46 100644 >> --- a/sbin/route/Makefile >> +++ b/sbin/route/Makefile >> @@ -19,6 +19,12 @@ CFLAGS+=3D -DINET6 >> .endif >> CFLAGS+=3D -I. >>=20 >> +.if ${MK_NETLINK_SUPPORT} !=3D "no" >> +SRCS+=3D route_netlink.c >> +.else >> +CFLAGS+=3D-DWITHOUT_NETLINK >> +.endif >> + >> HAS_TESTS=3D >> SUBDIR.${MK_TESTS}+=3D tests >>=20 >> diff --git a/sbin/route/route.c b/sbin/route/route.c >> index 5f33cecb1b20..947c97ce794a 100644 >> --- a/sbin/route/route.c >> +++ b/sbin/route/route.c >> @@ -90,12 +90,11 @@ static struct keytab { >> {0, 0} >> }; >>=20 >> +int verbose, debugonly; >> static struct sockaddr_storage so[RTAX_MAX]; >> static int pid, rtm_addrs; >> -static int s; >> -static int nflag, af, qflag, tflag; >> -static int verbose, aflen; >> -static int locking, lockrest, debugonly; >> +static int nflag, af, aflen, qflag, tflag; >> +static int locking, lockrest; >> static struct rt_metrics rt_metrics; >> static u_long rtm_inits; >> static uid_t uid; >> @@ -103,18 +102,30 @@ static int defaultfib; >> static int numfibs; >> static char domain[MAXHOSTNAMELEN + 1]; >> static bool domain_initialized; >> -static int rtm_seq; >> static char rt_line[NI_MAXHOST]; >> static char net_line[MAXHOSTNAMELEN + 1]; >>=20 >> +#ifdef WITHOUT_NETLINK >> +static int s; >> +static int rtm_seq; >> + >> static struct { >> struct rt_msghdr m_rtm; >> char m_space[512]; >> } m_rtmsg; >>=20 >> +static int rtmsg_rtsock(int, int, int); >> +static int flushroutes_fib_rtsock(int); >> +static void monitor_rtsock(void); >> +#else >> +int rtmsg_nl(int, int, int, struct sockaddr_storage *, = struct rt_metrics *); >> +int flushroutes_fib_nl(int, int); >> +void monitor_nl(int); >> +#endif >> + >> static TAILQ_HEAD(fibl_head_t, fibl) fibl_head; >>=20 >> -static void printb(int, const char *); >> +void printb(int, const char *); >> static void flushroutes(int argc, char *argv[]); >> static int flushroutes_fib(int); >> static int getaddr(int, char *, int); >> @@ -127,7 +138,7 @@ static int inet6_makenetandmask(struct = sockaddr_in6 *, const char *); >> #endif >> static void interfaces(void); >> static void monitor(int, char*[]); >> -static const char *netname(struct sockaddr *); >> +const char *netname(struct sockaddr *); >> static void newroute(int, char **); >> static int newroute_fib(int, char *, int); >> static void pmsg_addrs(char *, int, size_t); >> @@ -135,7 +146,7 @@ static void pmsg_common(struct rt_msghdr *, = size_t); >> static int prefixlen(const char *); >> static void print_getmsg(struct rt_msghdr *, int, int); >> static void print_rtmsg(struct rt_msghdr *, size_t); >> -static const char *routename(struct sockaddr *); >> +const char *routename(struct sockaddr *); >> static int rtmsg(int, int, int); >> static void set_metric(char *, int); >> static int set_sofib(int); >> @@ -216,12 +227,14 @@ main(int argc, char **argv) >>=20 >> pid =3D getpid(); >> uid =3D geteuid(); >> +#ifdef WITHOUT_NETLINK >> if (tflag) >> s =3D open(_PATH_DEVNULL, O_WRONLY, 0); >> else >> s =3D socket(PF_ROUTE, SOCK_RAW, 0); >> if (s < 0) >> err(EX_OSERR, "socket"); >> +#endif >>=20 >> len =3D sizeof(numfibs); >> if (sysctlbyname("net.fibs", (void *)&numfibs, &len, NULL, 0) =3D=3D= -1) >> @@ -264,10 +277,14 @@ static int >> set_sofib(int fib) >> { >>=20 >> +#ifdef WITHOUT_NETLINK >> if (fib < 0) >> return (0); >> return (setsockopt(s, SOL_SOCKET, SO_SETFIB, (void *)&fib, >> sizeof(fib))); >> +#else >> + return (0); >> +#endif >> } >>=20 >> static int >> @@ -395,7 +412,9 @@ flushroutes(int argc, char *argv[]) >>=20 >> if (uid !=3D 0 && !debugonly && !tflag) >> errx(EX_NOPERM, "must be root to alter routing table"); >> +#ifdef WITHOUT_NETLINK >> shutdown(s, SHUT_RD); /* Don't want to read back our messages */ >> +#endif >>=20 >> TAILQ_INIT(&fibl_head); >> while (argc > 1) { >> @@ -441,6 +460,17 @@ flushroutes(int argc, char *argv[]) >>=20 >> static int >> flushroutes_fib(int fib) >> +{ >> +#ifdef WITHOUT_NETLINK >> + return (flushroutes_fib_rtsock(fib)); >> +#else >> + return (flushroutes_fib_nl(fib, af)); >> +#endif >> +} >> + >> +#ifdef WITHOUT_NETLINK >> +static int >> +flushroutes_fib_rtsock(int fib) >> { >> struct rt_msghdr *rtm; >> size_t needed; >> @@ -525,8 +555,9 @@ retry: >> free(buf); >> return (error); >> } >> +#endif >>=20 >> -static const char * >> +const char * >> routename(struct sockaddr *sa) >> { >> struct sockaddr_dl *sdl; >> @@ -645,7 +676,7 @@ routename(struct sockaddr *sa) >> * Return the name of the network whose address is given. >> * The address is assumed to be that of a net, not a host. >> */ >> -static const char * >> +const char * >> netname(struct sockaddr *sa) >> { >> struct sockaddr_dl *sdl; >> @@ -810,8 +841,10 @@ newroute(int argc, char **argv) >> warn("sigaction SIGALRM"); >>=20 >> cmd =3D argv[0]; >> +#ifdef WITHOUT_NETLINK >> if (*cmd !=3D 'g' && *cmd !=3D 's') >> shutdown(s, SHUT_RD); /* Don't want to read back our = messages */ >> +#endif >> while (--argc > 0) { >> if (**(++argv)=3D=3D '-') { >> switch (key =3D keyword(1 + *argv)) { >> @@ -1398,8 +1431,8 @@ retry2: >> static void >> monitor(int argc, char *argv[]) >> { >> - int n, fib, error; >> - char msg[2048], *endptr; >> + int fib, error; >> + char *endptr; >>=20 >> fib =3D defaultfib; >> while (argc > 1) { >> @@ -1435,6 +1468,19 @@ monitor(int argc, char *argv[]) >> interfaces(); >> exit(0); >> } >> +#ifdef WITHOUT_NETLINK >> + monitor_rtsock(); >> +#else >> + monitor_nl(fib); >> +#endif >> +} >> + >> +#ifdef WITHOUT_NETLINK >> +static void >> +monitor_rtsock(void) >> +{ >> + char msg[2048]; >> + int n; >>=20 >> #ifdef SO_RERROR >> n =3D 1; >> @@ -1454,25 +1500,12 @@ monitor(int argc, char *argv[]) >> print_rtmsg((struct rt_msghdr *)(void *)msg, n); >> } >> } >> +#endif >>=20 >> static int >> rtmsg(int cmd, int flags, int fib) >> { >> - int rlen; >> - char *cp =3D m_rtmsg.m_space; >> - int l; >> - >> -#define NEXTADDR(w, u) = \ >> - if (rtm_addrs & (w)) { = \ >> - l =3D SA_SIZE(&(u)); = \ >> - memmove(cp, (char *)&(u), l); = \ >> - cp +=3D l; = \ >> - if (verbose) = \ >> - sodump((struct sockaddr *)&(u), #w); = \ >> - } >> - >> errno =3D 0; >> - memset(&m_rtmsg, 0, sizeof(m_rtmsg)); >> if (cmd =3D=3D 'a') >> cmd =3D RTM_ADD; >> else if (cmd =3D=3D 'c') >> @@ -1488,6 +1521,33 @@ rtmsg(int cmd, int flags, int fib) >> cmd =3D RTM_DELETE; >> flags |=3D RTF_PINNED; >> } >> +#ifdef WITHOUT_NETLINK >> + return (rtmsg_rtsock(cmd, flags, fib)); >> +#else >> + errno =3D rtmsg_nl(cmd, flags, fib, so, &rt_metrics); >> + return (errno =3D=3D 0 ? 0 : -1); >> +#endif >> +} >> + >> +#ifdef WITHOUT_NETLINK >> +static int >> +rtmsg_rtsock(int cmd, int flags, int fib) >> +{ >> + int rlen; >> + char *cp =3D m_rtmsg.m_space; >> + int l; >> + >> + memset(&m_rtmsg, 0, sizeof(m_rtmsg)); >> + >> +#define NEXTADDR(w, u) = \ >> + if (rtm_addrs & (w)) { = \ >> + l =3D SA_SIZE(&(u)); = \ >> + memmove(cp, (char *)&(u), l); = \ >> + cp +=3D l; = \ >> + if (verbose) = \ >> + sodump((struct sockaddr *)&(u), #w); = \ >> + } >> + >> #define rtm m_rtmsg.m_rtm >> rtm.rtm_type =3D cmd; >> rtm.rtm_flags =3D flags; >> @@ -1545,6 +1605,7 @@ rtmsg(int cmd, int flags, int fib) >> #undef rtm >> return (0); >> } >> +#endif >>=20 >> static const char *const msgtypes[] =3D { >> "", >> @@ -1571,7 +1632,7 @@ static const char *const msgtypes[] =3D { >> static const char metricnames[] =3D >> "\011weight\010rttvar\7rtt\6ssthresh\5sendpipe\4recvpipe\3expire" >> "\1mtu"; >> -static const char routeflags[] =3D >> +const char routeflags[] =3D >> "\1UP\2GATEWAY\3HOST\4REJECT\5DYNAMIC\6MODIFIED\7DONE" >> "\012XRESOLVE\013LLINFO\014STATIC\015BLACKHOLE" >> "\017PROTO2\020PROTO1\021PRCLONING\022WASCLONED\023PROTO3" >> @@ -1812,7 +1873,7 @@ pmsg_addrs(char *cp, int addrs, size_t len) >> (void)fflush(stdout); >> } >>=20 >> -static void >> +void >> printb(int b, const char *str) >> { >> int i; >> diff --git a/sbin/route/route_netlink.c b/sbin/route/route_netlink.c >> new file mode 100644 >> index 000000000000..648d866670fc >> --- /dev/null >> +++ b/sbin/route/route_netlink.c >> @@ -0,0 +1,835 @@ >> +#include <stdio.h> >> +#include <stdlib.h> >> +#include <string.h> >> +#include <err.h> >> +#include <errno.h> >> + >> +#include <sys/bitcount.h> >> +#include <sys/param.h> >> +#include <sys/socket.h> >> +#include <sys/sysctl.h> >> +#include <sys/time.h> >> +#include <sys/types.h> >> + >> +#include <netinet/in.h> >> +#include <arpa/inet.h> >> + >> +#include <net/ethernet.h> >> +#include <net/if.h> >> +#include <net/if_dl.h> >> +#include <net/if_types.h> >> +#include <netlink/netlink.h> >> +#include <netlink/netlink_route.h> >> +#include <netlink/netlink_snl.h> >> +#include <netlink/netlink_snl_route.h> >> +#include <netlink/netlink_snl_route_compat.h> >> +#include <netlink/netlink_snl_route_parsers.h> >> + >> +const char *routename(struct sockaddr *); >> +const char *netname(struct sockaddr *); >> +void printb(int, const char *); >> +extern const char routeflags[]; >> +extern int verbose, debugonly; >> + >> +int rtmsg_nl(int cmd, int rtm_flags, int fib, struct = sockaddr_storage *so, >> + struct rt_metrics *rt_metrics); >> +int flushroutes_fib_nl(int fib, int af); >> +void monitor_nl(int fib); >> + >> +struct nl_helper; >> +static void print_getmsg(struct nl_helper *h, struct nlmsghdr *hdr, = struct sockaddr *dst); >> +static void print_nlmsg(struct nl_helper *h, struct nlmsghdr *hdr); >> + >> +#define s6_addr32 __u6_addr.__u6_addr32 >> +#define bitcount32(x) __bitcount32((uint32_t)(x)) >> +static int >> +inet6_get_plen(const struct in6_addr *addr) >> +{ >> + >> + return (bitcount32(addr->s6_addr32[0]) + = bitcount32(addr->s6_addr32[1]) + >> + bitcount32(addr->s6_addr32[2]) + = bitcount32(addr->s6_addr32[3])); >> +} >> + >> +static void >> +ip6_writemask(struct in6_addr *addr6, uint8_t mask) >> +{ >> + uint32_t *cp; >> + >> + for (cp =3D (uint32_t *)addr6; mask >=3D 32; mask -=3D 32) >> + *cp++ =3D 0xFFFFFFFF; >> + if (mask > 0) >> + *cp =3D htonl(mask ? ~((1 << (32 - mask)) - 1) : 0); >> +} >> + >> +static struct sockaddr * >> +get_netmask(struct snl_state *ss, int family, int plen) >> +{ >> + if (family =3D=3D AF_INET) { >> + if (plen =3D=3D 32) >> + return (NULL); >> + >> + struct sockaddr_in *sin =3D snl_allocz(ss, = sizeof(*sin)); >> + >> + sin->sin_len =3D sizeof(*sin); >> + sin->sin_family =3D family; >> + sin->sin_addr.s_addr =3D htonl(plen ? ~((1 << (32 - = plen)) - 1) : 0); >> + >> + return (struct sockaddr *)sin; >> + } else if (family =3D=3D AF_INET6) { >> + if (plen =3D=3D 128) >> + return (NULL); >> + >> + struct sockaddr_in6 *sin6 =3D snl_allocz(ss, = sizeof(*sin6)); >> + >> + sin6->sin6_len =3D sizeof(*sin6); >> + sin6->sin6_family =3D family; >> + ip6_writemask(&sin6->sin6_addr, plen); >> + >> + return (struct sockaddr *)sin6; >> + } >> + return (NULL); >> +} >> + >> +struct nl_helper { >> + struct snl_state ss_cmd; >> +}; >> + >> +static void >> +nl_helper_init(struct nl_helper *h) >> +{ >> + if (!snl_init(&h->ss_cmd, NETLINK_ROUTE)) >> + err(1, "unable to open netlink socket"); >> +} >> + >> +static void >> +nl_helper_free(struct nl_helper *h) >> +{ >> + snl_free(&h->ss_cmd); >> +} >> + >> +static int >> +rtmsg_nl_int(struct nl_helper *h, int cmd, int rtm_flags, int fib, >> + struct sockaddr_storage *so, struct rt_metrics *rt_metrics) >> +{ >> + struct snl_state *ss =3D &h->ss_cmd; >> + struct snl_writer nw; >> + int nl_type =3D 0, nl_flags =3D 0; >> + >> + snl_init_writer(ss, &nw); >> + >> + switch (cmd) { >> + case RTSOCK_RTM_ADD: >> + nl_type =3D RTM_NEWROUTE; >> + nl_flags =3D NLM_F_CREATE | NLM_F_APPEND; /* Do append = by default */ >> + break; >> + case RTSOCK_RTM_CHANGE: >> + nl_type =3D RTM_NEWROUTE; >> + nl_flags =3D NLM_F_REPLACE; >> + break; >> + case RTSOCK_RTM_DELETE: >> + nl_type =3D RTM_DELROUTE; >> + break; >> + case RTSOCK_RTM_GET: >> + nl_type =3D RTM_GETROUTE; >> + break; >> + default: >> + exit(1); >> + } >> + >> + struct sockaddr *dst =3D (struct sockaddr *)&so[RTAX_DST]; >> + struct sockaddr *mask =3D (struct sockaddr *)&so[RTAX_NETMASK]; >> + struct sockaddr *gw =3D (struct sockaddr *)&so[RTAX_GATEWAY]; >> + >> + if (dst =3D=3D NULL) >> + return (EINVAL); >> + >> + struct nlmsghdr *hdr =3D snl_create_msg_request(&nw, nl_type); >> + hdr->nlmsg_flags |=3D nl_flags; >> + >> + int plen =3D 0; >> + int rtm_type =3D RTN_UNICAST; >> + >> + switch (dst->sa_family) { >> + case AF_INET: >> + { >> + struct sockaddr_in *mask4 =3D (struct sockaddr_in = *)mask; >> + >> + plen =3D mask4 ? bitcount32(mask4->sin_addr.s_addr) : = 32; >> + break; >> + } >> + case AF_INET6: >> + { >> + struct sockaddr_in6 *mask6 =3D (struct sockaddr_in6 = *)mask; >> + >> + plen =3D mask6 ? inet6_get_plen(&mask6->sin6_addr) : = 128; >> + break; >> + } >> + default: >> + return (ENOTSUP); >> + } >> + >> + if (rtm_flags & RTF_REJECT) >> + rtm_type =3D RTN_PROHIBIT; >> + else if (rtm_flags & RTF_BLACKHOLE) >> + rtm_type =3D RTN_BLACKHOLE; >> + >> + struct rtmsg *rtm =3D snl_reserve_msg_object(&nw, struct rtmsg); >> + rtm->rtm_family =3D dst->sa_family; >> + rtm->rtm_protocol =3D RTPROT_STATIC; >> + rtm->rtm_type =3D rtm_type; >> + rtm->rtm_dst_len =3D plen; >> + >> + snl_add_msg_attr_ip(&nw, RTA_DST, dst); >> + snl_add_msg_attr_u32(&nw, RTA_TABLE, fib); >> + >> + if (rtm_flags & RTF_GATEWAY) { >> + if (gw->sa_family =3D=3D dst->sa_family) >> + snl_add_msg_attr_ip(&nw, RTA_GATEWAY, gw); >> + else >> + snl_add_msg_attr_ipvia(&nw, RTA_VIA, gw); >> + } else if (gw !=3D NULL) { >> + /* Should be AF_LINK */ >> + struct sockaddr_dl *sdl =3D (struct sockaddr_dl *)gw; >> + if (sdl->sdl_index !=3D 0) >> + snl_add_msg_attr_u32(&nw, RTA_OIF, = sdl->sdl_index); >> + } >> + >> + if (rtm_flags !=3D 0) >> + snl_add_msg_attr_u32(&nw, NL_RTA_RTFLAGS, rtm_flags); >> + >> + if (rt_metrics->rmx_mtu > 0) { >> + int off =3D snl_add_msg_attr_nested(&nw, RTA_METRICS); >> + snl_add_msg_attr_u32(&nw, RTAX_MTU, = rt_metrics->rmx_mtu); >> + snl_end_attr_nested(&nw, off); >> + } >> + >> + if (rt_metrics->rmx_weight > 0) >> + snl_add_msg_attr_u32(&nw, NL_RTA_WEIGHT, = rt_metrics->rmx_weight); >> + >> + if (snl_finalize_msg(&nw) && snl_send_message(ss, hdr)) { >> + struct snl_errmsg_data e =3D {}; >> + >> + hdr =3D snl_read_reply(ss, hdr->nlmsg_seq); >> + if (nl_type =3D=3D NL_RTM_GETROUTE) { >> + if (hdr->nlmsg_type =3D=3D NL_RTM_NEWROUTE) >> + print_getmsg(h, hdr, dst); >> + else { >> + snl_parse_errmsg(ss, hdr, &e); >> + if (e.error =3D=3D ESRCH) >> + warn("route has not been = found"); >> + else >> + warn("message indicates error = %d", e.error); >> + } >> + >> + return (0); >> + } >> + >> + if (snl_parse_errmsg(ss, hdr, &e)) >> + return (e.error); >> + } >> + return (EINVAL); >> +} >> + >> +int >> +rtmsg_nl(int cmd, int rtm_flags, int fib, struct sockaddr_storage = *so, >> + struct rt_metrics *rt_metrics) >> +{ >> + struct nl_helper h =3D {}; >> + >> + nl_helper_init(&h); >> + int error =3D rtmsg_nl_int(&h, cmd, rtm_flags, fib, so, = rt_metrics); >> + nl_helper_free(&h); >> + >> + return (error); >> +} >> + >> +static void >> +get_ifdata(struct nl_helper *h, uint32_t ifindex, struct = snl_parsed_link_simple *link) >> +{ >> + struct snl_state *ss =3D &h->ss_cmd; >> + struct snl_writer nw; >> + >> + snl_init_writer(ss, &nw); >> + struct nlmsghdr *hdr =3D snl_create_msg_request(&nw, = NL_RTM_GETLINK); >> + struct ifinfomsg *ifmsg =3D snl_reserve_msg_object(&nw, struct = ifinfomsg); >> + if (ifmsg !=3D NULL) >> + ifmsg->ifi_index =3D ifindex; >> + if (!snl_finalize_msg(&nw) || !snl_send_message(ss, hdr)) >> + return; >> + >> + hdr =3D snl_read_reply(ss, hdr->nlmsg_seq); >> + >> + if (hdr !=3D NULL && hdr->nlmsg_type =3D=3D RTM_NEWLINK) { >> + snl_parse_nlmsg(ss, hdr, &snl_rtm_link_parser_simple, = link); >> + } >> + >> + if (link->ifla_ifname =3D=3D NULL) { >> + char ifname[16]; >> + >> + snprintf(ifname, sizeof(ifname), "if#%u", ifindex); >> + int len =3D strlen(ifname); >> + char *buf =3D snl_allocz(ss, len + 1); >> + strlcpy(buf, ifname, len + 1); >> + link->ifla_ifname =3D buf; >> + } >> +} >> + >> +static void >> +print_getmsg(struct nl_helper *h, struct nlmsghdr *hdr, struct = sockaddr *dst) >> +{ >> + struct snl_state *ss =3D &h->ss_cmd; >> + struct timespec ts; >> + struct snl_parsed_route r =3D { .rtax_weight =3D = RT_DEFAULT_WEIGHT }; >> + >> + if (!snl_parse_nlmsg(ss, hdr, &snl_rtm_route_parser, &r)) >> + return; >> + >> + struct snl_parsed_link_simple link =3D {}; >> + get_ifdata(h, r.rta_oif, &link); >> + >> + if (r.rtax_mtu =3D=3D 0) >> + r.rtax_mtu =3D link.ifla_mtu; >> + r.rta_rtflags |=3D (RTF_UP | RTF_DONE); >> + >> + (void)printf(" route to: %s\n", routename(dst)); >> + >> + if (r.rta_dst) >> + (void)printf("destination: %s\n", routename(r.rta_dst)); >> + struct sockaddr *mask =3D get_netmask(ss, r.rtm_family, = r.rtm_dst_len); >> + if (mask) >> + (void)printf(" mask: %s\n", routename(mask)); >> + if (r.rta_gw && (r.rta_rtflags & RTF_GATEWAY)) >> + (void)printf(" gateway: %s\n", routename(r.rta_gw)); >> + (void)printf(" fib: %u\n", (unsigned int)r.rta_table); >> + if (link.ifla_ifname) >> + (void)printf(" interface: %s\n", link.ifla_ifname); >> + (void)printf(" flags: "); >> + printb(r.rta_rtflags, routeflags); >> + >> + struct rt_metrics rmx =3D { >> + .rmx_mtu =3D r.rtax_mtu, >> + .rmx_weight =3D r.rtax_weight, >> + .rmx_expire =3D r.rta_expire, >> + }; >> + >> + printf("\n%9s %9s %9s %9s %9s %10s %9s\n", "recvpipe", >> + "sendpipe", "ssthresh", "rtt,msec", "mtu ", "weight", = "expire"); >> + printf("%8lu ", rmx.rmx_recvpipe); >> + printf("%8lu ", rmx.rmx_sendpipe); >> + printf("%8lu ", rmx.rmx_ssthresh); >> + printf("%8lu ", 0UL); >> + printf("%8lu ", rmx.rmx_mtu); >> + printf("%8lu ", rmx.rmx_weight); >> + if (rmx.rmx_expire > 0) >> + clock_gettime(CLOCK_REALTIME_FAST, &ts); >> + else >> + ts.tv_sec =3D 0; >> + printf("%8ld \n", (long)(rmx.rmx_expire - ts.tv_sec)); >> +} >> + >> +static void >> +print_prefix(struct nl_helper *h, char *buf, int bufsize, struct = sockaddr *sa, int plen) >> +{ >> + int sz =3D 0; >> + >> + if (sa =3D=3D NULL) { >> + snprintf(buf, bufsize, "<NULL>"); >> + return; >> + } >> + >> + switch (sa->sa_family) { >> + case AF_INET: >> + { >> + struct sockaddr_in *sin =3D (struct sockaddr_in = *)sa; >> + char abuf[INET_ADDRSTRLEN]; >> + >> + inet_ntop(AF_INET, &sin->sin_addr, abuf, = sizeof(abuf)); >> + sz =3D snprintf(buf, bufsize, "%s", abuf); >> + break; >> + } >> + case AF_INET6: >> + { >> + struct sockaddr_in6 *sin6 =3D (struct = sockaddr_in6 *)sa; >> + char abuf[INET6_ADDRSTRLEN]; >> + char *ifname =3D NULL; >> + >> + inet_ntop(AF_INET6, &sin6->sin6_addr, abuf, = sizeof(abuf)); >> + if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { >> + struct snl_parsed_link_simple link =3D = {}; >> + >> + if (sin6->sin6_scope_id !=3D 0) { >> + get_ifdata(h, = sin6->sin6_scope_id, &link); >> + ifname =3D link.ifla_ifname; >> + } >> + } >> + if (ifname =3D=3D NULL) >> + sz =3D snprintf(buf, bufsize, "%s", = abuf); >> + else >> + sz =3D snprintf(buf, bufsize, "%s%%%s", = abuf, ifname); >> + break; >> + } >> + default: >> + snprintf(buf, bufsize, "unknown_af#%d", sa->sa_family); >> + plen =3D -1; >> + } >> + >> + if (plen >=3D 0) >> + snprintf(buf + sz, bufsize - sz, "/%d", plen); >> +} >> + >> + >> +static int >> +print_line_prefix(const char *cmd, const char *name) >> +{ >> + struct timespec tp; >> + struct tm tm; >> + char buf[32]; >> + >> + clock_gettime(CLOCK_REALTIME, &tp); >> + localtime_r(&tp.tv_sec, &tm); >> + >> + strftime(buf, sizeof(buf), "%T", &tm); >> + int len =3D printf("%s.%03ld %s %s ", buf, tp.tv_nsec / 1000000, = cmd, name); >> + >> + return (len); >> +} >> + >> +static const char * >> +get_action_name(struct nlmsghdr *hdr, int new_cmd) >> +{ >> + if (hdr->nlmsg_type =3D=3D new_cmd) { >> + //return ((hdr->nlmsg_flags & NLM_F_REPLACE) ? "replace" = : "add"); >> + return ("add/repl"); >> + } else >> + return ("delete"); >> +} >> + >> +static void >> +print_nlmsg_route_nhop(struct nl_helper *h, struct snl_parsed_route = *r, >> + struct rta_mpath_nh *nh, bool first) >> +{ >> + // gw 10.0.0.1 ifp vtnet0 mtu 1500 table inet.0 >> + if (nh->gw !=3D NULL) { >> + char gwbuf[128]; >> + print_prefix(h, gwbuf, sizeof(gwbuf), nh->gw, -1); >> + printf("gw %s ", gwbuf); >> + } >> + >> + if (nh->ifindex !=3D 0) { >> + struct snl_parsed_link_simple link =3D {}; >> + >> + get_ifdata(h, nh->ifindex, &link); >> + if (nh->rtax_mtu =3D=3D 0) >> + nh->rtax_mtu =3D link.ifla_mtu; >> + printf("iface %s ", link.ifla_ifname); >> + if (nh->rtax_mtu !=3D 0) >> + printf("mtu %d ", nh->rtax_mtu); >> + } >> + >> + if (first) { >> + switch (r->rtm_family) { >> + case AF_INET: >> + printf("table inet.%d", r->rta_table); >> + break; >> + case AF_INET6: >> + printf("table inet6.%d", r->rta_table); >> + break; >> + } >> + } >> + >> + printf("\n"); >> +} >> + >> +static void >> +print_nlmsg_route(struct nl_helper *h, struct nlmsghdr *hdr) >> +{ >> + struct snl_parsed_route r =3D { .rtax_weight =3D = RT_DEFAULT_WEIGHT }; >> + struct snl_state *ss =3D &h->ss_cmd; >> + >> + if (!snl_parse_nlmsg(ss, hdr, &snl_rtm_route_parser, &r)) >> + return; >> + >> + // 20:19:41.333 add route 10.0.0.0/24 gw 10.0.0.1 ifp vtnet0 mtu = 1500 table inet.0 >> + >> + const char *cmd =3D get_action_name(hdr, RTM_NEWROUTE); >> + int len =3D print_line_prefix(cmd, "route"); >> + >> + char buf[128]; >> + print_prefix(h, buf, sizeof(buf), r.rta_dst, r.rtm_dst_len); >> + len +=3D strlen(buf) + 1; >> + printf("%s ", buf); >> + >> + switch (r.rtm_type) { >> + case RTN_BLACKHOLE: >> + printf("blackhole\n"); >> + return; >> + case RTN_UNREACHABLE: >> + printf("unreach(reject)\n"); >> + return; >> + case RTN_PROHIBIT: >> + printf("prohibit(reject)\n"); >> + return; >> + } >> + >> + if (r.rta_multipath !=3D NULL) { >> + bool first =3D true; >> + >> + memset(buf, ' ', sizeof(buf)); >> + buf[len] =3D '\0'; >> + >> + for (int i =3D 0; i < r.rta_multipath->num_nhops; i++) { >> + struct rta_mpath_nh *nh =3D = &r.rta_multipath->nhops[i]; >> + >> + if (!first) >> + printf("%s", buf); >> + print_nlmsg_route_nhop(h, &r, nh, first); >> + first =3D false; >> + } >> + } else { >> + struct rta_mpath_nh nh =3D { >> + .gw =3D r.rta_gw, >> + .ifindex =3D r.rta_oif, >> + .rtax_mtu =3D r.rtax_mtu, >> + }; >> + >> + print_nlmsg_route_nhop(h, &r, &nh, true); >> + } >> +} >> + >> +static const char *operstate[] =3D { >> + "UNKNOWN", /* 0, IF_OPER_UNKNOWN */ >> + "NOTPRESENT", /* 1, IF_OPER_NOTPRESENT */ >> + "DOWN", /* 2, IF_OPER_DOWN */ >> + "LLDOWN", /* 3, IF_OPER_LOWERLAYERDOWN */ >> + "TESTING", /* 4, IF_OPER_TESTING */ >> + "DORMANT", /* 5, IF_OPER_DORMANT */ >> + "UP", /* 6, IF_OPER_UP */ >> +}; >> + >> +static void >> +print_nlmsg_link(struct nl_helper *h, struct nlmsghdr *hdr) >> +{ >> + struct snl_parsed_link l =3D {}; >> + struct snl_state *ss =3D &h->ss_cmd; >> + >> + if (!snl_parse_nlmsg(ss, hdr, &snl_rtm_link_parser, &l)) >> + return; >> + >> + // 20:19:41.333 add iface#3 vtnet0 admin UP oper UP mtu 1500 = table inet.0 >> + const char *cmd =3D get_action_name(hdr, RTM_NEWLINK); >> + print_line_prefix(cmd, "iface"); >> + >> + printf("iface#%u %s ", l.ifi_index, l.ifla_ifname); >> + printf("admin %s ", (l.ifi_flags & IFF_UP) ? "UP" : "DOWN"); >> + if (l.ifla_operstate < NL_ARRAY_LEN(operstate)) >> + printf("oper %s ", operstate[l.ifla_operstate]); >> + if (l.ifla_mtu > 0) >> + printf("mtu %u ", l.ifla_mtu); >> + >> + printf("\n"); >> +} >> + >> +static void >> +print_nlmsg_addr(struct nl_helper *h, struct nlmsghdr *hdr) >> +{ >> + struct snl_parsed_addr attrs =3D {}; >> + struct snl_state *ss =3D &h->ss_cmd; >> + >> + if (!snl_parse_nlmsg(ss, hdr, &snl_rtm_addr_parser, &attrs)) >> + return; >> + >> + // add addr 192.168.1.1/24 iface vtnet0 >> + const char *cmd =3D get_action_name(hdr, RTM_NEWADDR); >> + print_line_prefix(cmd, "addr"); >> + >> + char buf[128]; >> + struct sockaddr *addr =3D attrs.ifa_local ? attrs.ifa_local : = attrs.ifa_address; >> + print_prefix(h, buf, sizeof(buf), addr, attrs.ifa_prefixlen); >> + printf("%s ", buf); >> + >> + struct snl_parsed_link_simple link =3D {}; >> + get_ifdata(h, attrs.ifa_index, &link); >> + >> + if (link.ifi_flags & IFF_POINTOPOINT) { >> + char buf[64]; >> + print_prefix(h, buf, sizeof(buf), attrs.ifa_address, = -1); >> + printf("-> %s ", buf); >> + } >> + >> + printf("iface %s ", link.ifla_ifname); >> + >> + printf("\n"); >> +} >> + >> +static const char *nudstate[] =3D { >> + "INCOMPLETE", /* 0x01(0) */ >> + "REACHABLE", /* 0x02(1) */ >> + "STALE", /* 0x04(2) */ >> + "DELAY", /* 0x08(3) */ >> + "PROBE", /* 0x10(4) */ >> + "FAILED", /* 0x20(5) */ >> +}; >> + >> +#define NUD_INCOMPLETE 0x01 /* No lladdr, address = resolution in progress */ >> +#define NUD_REACHABLE 0x02 /* reachable & recently = resolved */ >> +#define NUD_STALE 0x04 /* has lladdr but it's = stale */ >> +#define NUD_DELAY 0x08 /* has lladdr, is stale, = probes delayed */ >> +#define NUD_PROBE 0x10 /* has lladdr, is stale, = probes sent */ >> +#define NUD_FAILED 0x20 /* unused */ >> + >> + >> +static void >> +print_nlmsg_neigh(struct nl_helper *h, struct nlmsghdr *hdr) >> +{ >> + struct snl_parsed_neigh attrs =3D {}; >> + struct snl_state *ss =3D &h->ss_cmd; >> + >> + if (!snl_parse_nlmsg(ss, hdr, &snl_rtm_neigh_parser, &attrs)) >> + return; >> + >> + // add addr 192.168.1.1 state %s lladdr %s iface vtnet0 >> + const char *cmd =3D get_action_name(hdr, RTM_NEWNEIGH); >> + print_line_prefix(cmd, "neigh"); >> + >> + char buf[128]; >> + print_prefix(h, buf, sizeof(buf), attrs.nda_dst, -1); >> + printf("%s ", buf); >> + >> + struct snl_parsed_link_simple link =3D {}; >> + get_ifdata(h, attrs.nda_ifindex, &link); >> + >> + for (unsigned int i =3D 0; i < NL_ARRAY_LEN(nudstate); i++) { >> + if ((1 << i) & attrs.ndm_state) { >> + printf("state %s ", nudstate[i]); >> + break; >> + } >> + } >> + >> + if (attrs.nda_lladdr !=3D NULL) { >> + int if_type =3D link.ifi_type; >> + >> + if ((if_type =3D=3D IFT_ETHER || if_type =3D=3D = IFT_L2VLAN || if_type =3D=3D IFT_BRIDGE) && >> + NLA_DATA_LEN(attrs.nda_lladdr) =3D=3D = ETHER_ADDR_LEN) { >> + struct ether_addr *ll; >> + >> + ll =3D (struct ether_addr = *)NLA_DATA(attrs.nda_lladdr); >> + printf("lladdr %s ", ether_ntoa(ll)); >> + } else { >> + struct sockaddr_dl sdl =3D { >> + .sdl_len =3D sizeof(sdl), >> + .sdl_family =3D AF_LINK, >> + .sdl_index =3D attrs.nda_ifindex, >> + .sdl_type =3D if_type, >> + .sdl_alen =3D = NLA_DATA_LEN(attrs.nda_lladdr), >> + }; >> + if (sdl.sdl_alen < sizeof(sdl.sdl_data)) { >> + void *ll =3D NLA_DATA(attrs.nda_lladdr); >> + >> + memcpy(sdl.sdl_data, ll, sdl.sdl_alen); >> + printf("lladdr %s ", link_ntoa(&sdl)); >> + } >> + } >> + } >> + >> + if (link.ifla_ifname !=3D NULL) >> + printf("iface %s ", link.ifla_ifname); >> + printf("\n"); >> +} >> + >> +static void >> +print_nlmsg_generic(struct nl_helper *h, struct nlmsghdr *hdr) >> +{ >> +} >> + >> +static void >> +print_nlmsg(struct nl_helper *h, struct nlmsghdr *hdr) >> +{ >> + switch (hdr->nlmsg_type) { >> + case RTM_NEWLINK: >> + case RTM_DELLINK: >> + print_nlmsg_link(h, hdr); >> + break; >> *** 184 LINES SKIPPED *** --Apple-Mail=_AE460F85-A90B-4D1C-9453-E5B4D7CEC4B9 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8 <html><head><meta http-equiv=3D"content-type" content=3D"text/html; = charset=3Dutf-8"></head><body style=3D"overflow-wrap: break-word; = -webkit-nbsp-mode: space; line-break: = after-white-space;"><br><div><br><blockquote type=3D"cite"><div>On 27 = Mar 2023, at 21:41, Jessica Clarke <jrtc27@freebsd.org> = wrote:</div><br class=3D"Apple-interchange-newline"><div><meta = charset=3D"UTF-8"><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Helvetica; font-size: 12px; font-style: normal; font-variant-caps: = normal; font-weight: 400; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;">On 26 Mar 2023, at = 12:07, Alexander V. Chernikov <</span><a = href=3D"mailto:melifaro@FreeBSD.org" style=3D"font-family: Helvetica; = font-size: 12px; font-style: normal; font-variant-caps: normal; = font-weight: 400; letter-spacing: normal; orphans: auto; text-align: = start; text-indent: 0px; text-transform: none; white-space: normal; = widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; = -webkit-text-stroke-width: 0px;">melifaro@FreeBSD.org</a><span = style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: = 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; = letter-spacing: normal; text-align: start; text-indent: 0px; = text-transform: none; white-space: normal; word-spacing: 0px; = -webkit-text-stroke-width: 0px; text-decoration: none; float: none; = display: inline !important;">> wrote:</span><br style=3D"caret-color: = rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: = normal; font-variant-caps: normal; font-weight: 400; letter-spacing: = normal; text-align: start; text-indent: 0px; text-transform: none; = white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;"><blockquote type=3D"cite" style=3D"font-family: = Helvetica; font-size: 12px; font-style: normal; font-variant-caps: = normal; font-weight: 400; letter-spacing: normal; orphans: auto; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; = -webkit-text-stroke-width: 0px; text-decoration: none;"><br>The branch = main has been updated by melifaro:<br><br>URL: = https://cgit.FreeBSD.org/src/commit/?id=3Dc597432e22975f4d409b845377996712= 9c6b57e9<br><br>commit = c597432e22975f4d409b8453779967129c6b57e9<br>Author: = Alexander V. Chernikov = <melifaro@FreeBSD.org><br>AuthorDate: 2023-03-26 09:13:50 = +0000<br>Commit: Alexander V. Chernikov = <melifaro@FreeBSD.org><br>CommitDate: 2023-03-26 11:06:56 = +0000<br><br> route(8): convert to = netlink<br><br> This change converts all kernel rtsock = interactions in route(8)<br> to = Netlink.<br><br> Based on the WITHOUT_NETLINK_SUPPORT = src.conf(5) variable, route(8)<br> now fully operates = either via Netlink or via rtsock/sysctl.<br> The default = (compile-time) is Netlink.<br><br> The output for route = delete/add/get/flush is targeted to be exactly<br> the = same (apart from some error handling cases).<br> The output = for the route monitor has been changed to = improve<br> readability and support netlink = models.<br><br> Other behaviour changes:<br> * = exact prefix lookup (route -n get a.b.c.d/e) is not yet = supported.<br> * route monitor does not show the change = originator yet.<br></blockquote><br style=3D"caret-color: rgb(0, 0, 0); = font-family: Helvetica; font-size: 12px; font-style: normal; = font-variant-caps: normal; font-weight: 400; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;"><span style=3D"caret-color: rgb(0, 0, 0); = font-family: Helvetica; font-size: 12px; font-style: normal; = font-variant-caps: normal; font-weight: 400; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none; float: none; display: inline !important;">If = there are regressions then it should be off by default, = *especially*</span><br style=3D"caret-color: rgb(0, 0, 0); font-family: = Helvetica; font-size: 12px; font-style: normal; font-variant-caps: = normal; font-weight: 400; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;"></div></blockquote>Hi Jessica,</div><div>I have a plan to fix = both this week. I=E2=80=99d also want to note that these two are not the = documented / often used features.</div><div><blockquote = type=3D"cite"><div><span style=3D"caret-color: rgb(0, 0, 0); = font-family: Helvetica; font-size: 12px; font-style: normal; = font-variant-caps: normal; font-weight: 400; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none; float: none; display: inline !important;">when = we=E2=80=99re just under a month out from the proposed 14 code = slush.</span><br style=3D"caret-color: rgb(0, 0, 0); font-family: = Helvetica; font-size: 12px; font-style: normal; font-variant-caps: = normal; font-weight: 400; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;"><br style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; = font-size: 12px; font-style: normal; font-variant-caps: normal; = font-weight: 400; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;"><span style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; = font-size: 12px; font-style: normal; font-variant-caps: normal; = font-weight: 400; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;">Jess</span><br = style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: = 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; = letter-spacing: normal; text-align: start; text-indent: 0px; = text-transform: none; white-space: normal; word-spacing: 0px; = -webkit-text-stroke-width: 0px; text-decoration: none;"><br = style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: = 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; = letter-spacing: normal; text-align: start; text-indent: 0px; = text-transform: none; white-space: normal; word-spacing: 0px; = -webkit-text-stroke-width: 0px; text-decoration: none;"><blockquote = type=3D"cite" style=3D"font-family: Helvetica; font-size: 12px; = font-style: normal; font-variant-caps: normal; font-weight: 400; = letter-spacing: normal; orphans: auto; text-align: start; text-indent: = 0px; text-transform: none; white-space: normal; widows: auto; = word-spacing: 0px; -webkit-text-size-adjust: auto; = -webkit-text-stroke-width: 0px; text-decoration: = none;"> Differential Revision: = https://reviews.freebsd.org/D39007<br>---<br>sbin/route/Makefile = | 6 = +<br>sbin/route/route.c = | 117 = +++++--<br>sbin/route/route_netlink.c | 835 = +++++++++++++++++++++++++++++++++++++++++++++<br>3 files changed, 930 = insertions(+), 28 deletions(-)<br><br>diff --git a/sbin/route/Makefile = b/sbin/route/Makefile<br>index e65030f805bb..aec222310d46 100644<br>--- = a/sbin/route/Makefile<br>+++ b/sbin/route/Makefile<br>@@ -19,6 +19,12 @@ = CFLAGS+=3D -DINET6<br>.endif<br>CFLAGS+=3D -I.<br><br>+.if = ${MK_NETLINK_SUPPORT} !=3D "no"<br>+SRCS+=3D<span class=3D"Apple-tab-span"= style=3D"white-space: pre;"> = </span>route_netlink.c<br>+.else<br>+CFLAGS+=3D-DWITHOUT_NETLINK<br>+.endi= f<br>+<br>HAS_TESTS=3D<br>SUBDIR.${MK_TESTS}+=3D tests<br><br>diff --git = a/sbin/route/route.c b/sbin/route/route.c<br>index = 5f33cecb1b20..947c97ce794a 100644<br>--- a/sbin/route/route.c<br>+++ = b/sbin/route/route.c<br>@@ -90,12 +90,11 @@ static struct keytab = {<br><span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>{0, 0}<br>};<br><br>+int<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>verbose, debugonly;<br>static = struct sockaddr_storage so[RTAX_MAX];<br>static int<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>pid, = rtm_addrs;<br>-static int<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>s;<br>-static int<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>nflag, = af, qflag, tflag;<br>-static int<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>verbose, aflen;<br>-static = int<span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>locking, lockrest, debugonly;<br>+static int<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>nflag, = af, aflen, qflag, tflag;<br>+static int<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>locking, lockrest;<br>static = struct rt_metrics rt_metrics;<br>static u_long = rtm_inits;<br>static uid_t<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>uid;<br>@@ -103,18 +102,30 @@ = static int<span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>defaultfib;<br>static int<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>numfibs;<br>static char<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>domain[MAXHOSTNAMELEN + 1];<br>static bool<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>domain_initialized;<br>-static int<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>rtm_seq;<br>static char<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>rt_line[NI_MAXHOST];<br>static char<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>net_line[MAXHOSTNAMELEN + = 1];<br><br>+#ifdef WITHOUT_NETLINK<br>+static int<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>s;<br>+static int<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>rtm_seq;<br>+<br>static struct = {<br><span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>struct<span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>rt_msghdr m_rtm;<br><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>char<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>m_space[512];<br>} = m_rtmsg;<br><br>+static int<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>rtmsg_rtsock(int, int, = int);<br>+static int<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>flushroutes_fib_rtsock(int);<br>+static void<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>monitor_rtsock(void);<br>+#else<br>+int<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>rtmsg_nl(int, int, int, struct sockaddr_storage *, struct = rt_metrics *);<br>+int<span class=3D"Apple-tab-span" style=3D"white-space:= pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>flushroutes_fib_nl(int, int);<br>+void<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>monitor_nl(int);<br>+#endif<br>+<br>static = TAILQ_HEAD(fibl_head_t, fibl) fibl_head;<br><br>-static void<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>printb(int, const char *);<br>+void<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>printb(int, const char = *);<br>static void<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>flushroutes(int argc, char *argv[]);<br>static int<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>flushroutes_fib(int);<br>static int<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>getaddr(int, char *, int);<br>@@ = -127,7 +138,7 @@ static int<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>inet6_makenetandmask(struct = sockaddr_in6 *, const char *);<br>#endif<br>static void<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>interfaces(void);<br>static void<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>monitor(int, char*[]);<br>-static = const char<span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>*netname(struct sockaddr *);<br>+const char<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>*netname(struct sockaddr *);<br>static void<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>newroute(int, char **);<br>static int<span class=3D"Apple-tab-span"= style=3D"white-space: pre;"> </span>newroute_fib(int, char *, = int);<br>static void<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>pmsg_addrs(char *, int, size_t);<br>@@ -135,7 +146,7 @@ = static void<span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>pmsg_common(struct rt_msghdr *, size_t);<br>static int<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>prefixlen(const char *);<br>static void<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>print_getmsg(struct rt_msghdr *, int, int);<br>static void<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>print_rtmsg(struct rt_msghdr *, size_t);<br>-static const = char<span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>*routename(struct sockaddr *);<br>+const char<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>*routename(struct sockaddr *);<br>static int<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>rtmsg(int, int, int);<br>static void<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>set_metric(char *, = int);<br>static int<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>set_sofib(int);<br>@@ -216,12 +227,14 @@ main(int argc, = char **argv)<br><br><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>pid =3D getpid();<br><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>uid =3D geteuid();<br>+#ifdef = WITHOUT_NETLINK<br><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>if (tflag)<br><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>s =3D open(_PATH_DEVNULL, = O_WRONLY, 0);<br><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>else<br><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>s =3D socket(PF_ROUTE, SOCK_RAW, = 0);<br><span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>if (s < 0)<br><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>err(EX_OSERR, = "socket");<br>+#endif<br><br><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>len =3D sizeof(numfibs);<br><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>if = (sysctlbyname("net.fibs", (void *)&numfibs, &len, NULL, 0) =3D=3D = -1)<br>@@ -264,10 +277,14 @@ static int<br>set_sofib(int = fib)<br>{<br><br>+#ifdef WITHOUT_NETLINK<br><span class=3D"Apple-tab-span"= style=3D"white-space: pre;"> </span>if (fib < 0)<br><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>return = (0);<br><span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>return (setsockopt(s, SOL_SOCKET, SO_SETFIB, (void = *)&fib,<br><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span = class=3D"Apple-converted-space"> </span> sizeof(fib)= ));<br>+#else<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>return (0);<br>+#endif<br>}<br><br>static int<br>@@ = -395,7 +412,9 @@ flushroutes(int argc, char *argv[])<br><br><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>if (uid = !=3D 0 && !debugonly && !tflag)<br><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>errx(EX_NOPERM, "must be root to alter routing = table");<br>+#ifdef WITHOUT_NETLINK<br><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>shutdown(s, SHUT_RD); /* Don't = want to read back our messages */<br>+#endif<br><br><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>TAILQ_INIT(&fibl_head);<br><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>while (argc > 1) {<br>@@ = -441,6 +460,17 @@ flushroutes(int argc, char *argv[])<br><br>static = int<br>flushroutes_fib(int fib)<br>+{<br>+#ifdef = WITHOUT_NETLINK<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>return (flushroutes_fib_rtsock(fib));<br>+#else<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>return = (flushroutes_fib_nl(fib, af));<br>+#endif<br>+}<br>+<br>+#ifdef = WITHOUT_NETLINK<br>+static int<br>+flushroutes_fib_rtsock(int = fib)<br>{<br><span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>struct rt_msghdr *rtm;<br><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>size_t needed;<br>@@ -525,8 = +555,9 @@ retry:<br><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>free(buf);<br><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>return = (error);<br>}<br>+#endif<br><br>-static const char *<br>+const char = *<br>routename(struct sockaddr *sa)<br>{<br><span class=3D"Apple-tab-span"= style=3D"white-space: pre;"> </span>struct sockaddr_dl *sdl;<br>@@ = -645,7 +676,7 @@ routename(struct sockaddr *sa)<br>* Return the name of = the network whose address is given.<br>* The address is assumed to be = that of a net, not a host.<br>*/<br>-static const char *<br>+const char = *<br>netname(struct sockaddr *sa)<br>{<br><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>struct sockaddr_dl *sdl;<br>@@ = -810,8 +841,10 @@ newroute(int argc, char **argv)<br><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>warn("sigaction SIGALRM");<br><br><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>cmd =3D argv[0];<br>+#ifdef = WITHOUT_NETLINK<br><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>if (*cmd !=3D 'g' && *cmd !=3D 's')<br><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>shutdown(s, SHUT_RD); /* Don't want to read back our messages = */<br>+#endif<br><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>while (--argc > 0) {<br><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>if (**(++argv)=3D=3D '-') = {<br><span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span><span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span><span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>switch (key =3D keyword(1 + *argv)) {<br>@@ -1398,8 +1431,8 @@ = retry2:<br>static void<br>monitor(int argc, char *argv[])<br>{<br>-<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>int n, = fib, error;<br>-<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>char msg[2048], *endptr;<br>+<span class=3D"Apple-tab-span"= style=3D"white-space: pre;"> </span>int fib, error;<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>char = *endptr;<br><br><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>fib =3D defaultfib;<br><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>while (argc > 1) {<br>@@ = -1435,6 +1468,19 @@ monitor(int argc, char *argv[])<br><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>interfaces();<br><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>exit(0);<br><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>}<br>+#ifdef WITHOUT_NETLINK<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> = </span>monitor_rtsock();<br>+#else<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> = </span>monitor_nl(fib);<br>+#endif<br>+}<br>+<br>+#ifdef = WITHOUT_NETLINK<br>+static void<br>+monitor_rtsock(void)<br>+{<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>char = msg[2048];<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>int n;<br><br>#ifdef SO_RERROR<br><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>n =3D = 1;<br>@@ -1454,25 +1500,12 @@ monitor(int argc, char *argv[])<br><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>print_rtmsg((struct rt_msghdr *)(void *)msg, n);<br><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>}<br>}<br>+#endif<br><br>static int<br>rtmsg(int cmd, int flags, = int fib)<br>{<br>-<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>int rlen;<br>-<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>char *cp =3D = m_rtmsg.m_space;<br>-<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>int l;<br>-<br>-#define NEXTADDR(w, u)<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>\<br>-<span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>if (rtm_addrs & (w)) {<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>\<br>-<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>l =3D = SA_SIZE(&(u));<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>\<br>-<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>memmove(cp, (char *)&(u), l);<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>\<br>-<span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span><span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>cp +=3D l;<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>\<br>-<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>if (verbose)<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>\<br>-<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>sodump((struct sockaddr *)&(u), #w);<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>\<br>-<span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>}<br>-<br><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>errno =3D 0;<br>-<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>memset(&m_rtmsg, 0, = sizeof(m_rtmsg));<br><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>if (cmd =3D=3D 'a')<br><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>cmd =3D RTM_ADD;<br><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>else if = (cmd =3D=3D 'c')<br>@@ -1488,6 +1521,33 @@ rtmsg(int cmd, int flags, int = fib)<br><span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span><span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>cmd =3D RTM_DELETE;<br><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>flags |=3D RTF_PINNED;<br><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>}<br>+#ifdef WITHOUT_NETLINK<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>return (rtmsg_rtsock(cmd, flags, = fib));<br>+#else<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>errno =3D rtmsg_nl(cmd, flags, fib, so, = &rt_metrics);<br>+<span class=3D"Apple-tab-span" style=3D"white-space:= pre;"> </span>return (errno =3D=3D 0 ? 0 : = -1);<br>+#endif<br>+}<br>+<br>+#ifdef WITHOUT_NETLINK<br>+static = int<br>+rtmsg_rtsock(int cmd, int flags, int fib)<br>+{<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>int = rlen;<br>+<span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>char *cp =3D m_rtmsg.m_space;<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>int l;<br>+<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>memset(&m_rtmsg, 0, sizeof(m_rtmsg));<br>+<br>+#define = NEXTADDR(w, u)<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>\<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>if (rtm_addrs & (w)) {<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>\<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>l =3D = SA_SIZE(&(u));<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>\<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>memmove(cp, (char *)&(u), l);<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>\<br>+<span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span><span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>cp +=3D l;<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>\<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>if (verbose)<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>\<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>sodump((struct sockaddr *)&(u), #w);<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>\<br>+<span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>}<br>+<br>#define rtm m_rtmsg.m_rtm<br><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>rtm.rtm_type =3D cmd;<br><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>rtm.rtm_flags =3D flags;<br>@@ = -1545,6 +1605,7 @@ rtmsg(int cmd, int flags, int fib)<br>#undef = rtm<br><span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>return (0);<br>}<br>+#endif<br><br>static const char *const = msgtypes[] =3D {<br><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>"",<br>@@ -1571,7 +1632,7 @@ static const char *const = msgtypes[] =3D {<br>static const char metricnames[] = =3D<br> "\011weight\010rttvar\7rtt\6ssthresh\5sendpipe\4r= ecvpipe\3expire"<br> "\1mtu";<br>-static const char = routeflags[] =3D<br>+const char routeflags[] = =3D<br> "\1UP\2GATEWAY\3HOST\4REJECT\5DYNAMIC\6MODIFIED\7= DONE"<br> "\012XRESOLVE\013LLINFO\014STATIC\015BLACKHOLE"= <br> "\017PROTO2\020PROTO1\021PRCLONING\022WASCLONED\023P= ROTO3"<br>@@ -1812,7 +1873,7 @@ pmsg_addrs(char *cp, int addrs, size_t = len)<br><span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>(void)fflush(stdout);<br>}<br><br>-static = void<br>+void<br>printb(int b, const char *str)<br>{<br><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>int = i;<br>diff --git a/sbin/route/route_netlink.c = b/sbin/route/route_netlink.c<br>new file mode 100644<br>index = 000000000000..648d866670fc<br>--- /dev/null<br>+++ = b/sbin/route/route_netlink.c<br>@@ -0,0 +1,835 @@<br>+#include = <stdio.h><br>+#include <stdlib.h><br>+#include = <string.h><br>+#include <err.h><br>+#include = <errno.h><br>+<br>+#include <sys/bitcount.h><br>+#include = <sys/param.h><br>+#include <sys/socket.h><br>+#include = <sys/sysctl.h><br>+#include <sys/time.h><br>+#include = <sys/types.h><br>+<br>+#include <netinet/in.h><br>+#include = <arpa/inet.h><br>+<br>+#include = <net/ethernet.h><br>+#include <net/if.h><br>+#include = <net/if_dl.h><br>+#include <net/if_types.h><br>+#include = <netlink/netlink.h><br>+#include = <netlink/netlink_route.h><br>+#include = <netlink/netlink_snl.h><br>+#include = <netlink/netlink_snl_route.h><br>+#include = <netlink/netlink_snl_route_compat.h><br>+#include = <netlink/netlink_snl_route_parsers.h><br>+<br>+const char = *routename(struct sockaddr *);<br>+const char *netname(struct sockaddr = *);<br>+void printb(int, const char *);<br>+extern const char = routeflags[];<br>+extern int verbose, debugonly;<br>+<br>+int = rtmsg_nl(int cmd, int rtm_flags, int fib, struct sockaddr_storage = *so,<br>+ struct rt_metrics *rt_metrics);<br>+int = flushroutes_fib_nl(int fib, int af);<br>+void monitor_nl(int = fib);<br>+<br>+struct nl_helper;<br>+static void print_getmsg(struct = nl_helper *h, struct nlmsghdr *hdr, struct sockaddr *dst);<br>+static = void print_nlmsg(struct nl_helper *h, struct nlmsghdr = *hdr);<br>+<br>+#define s6_addr32 __u6_addr.__u6_addr32<br>+#define<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>bitcount32(x)<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>__bitcount32((uint32_t)(x))<br>+static = int<br>+inet6_get_plen(const struct in6_addr *addr)<br>+{<br>+<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>return = (bitcount32(addr->s6_addr32[0]) + bitcount32(addr->s6_addr32[1]) = +<br>+<span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span><span = class=3D"Apple-converted-space"> </span> bitcount32(= addr->s6_addr32[2]) + = bitcount32(addr->s6_addr32[3]));<br>+}<br>+<br>+static = void<br>+ip6_writemask(struct in6_addr *addr6, uint8_t = mask)<br>+{<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>uint32_t *cp;<br>+<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>for (cp =3D (uint32_t *)addr6; = mask >=3D 32; mask -=3D 32)<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>*cp++ =3D 0xFFFFFFFF;<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>if (mask = > 0)<br>+<span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span><span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>*cp =3D htonl(mask ? ~((1 << (32 - mask)) - 1) : = 0);<br>+}<br>+<br>+static struct sockaddr *<br>+get_netmask(struct = snl_state *ss, int family, int plen)<br>+{<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>if = (family =3D=3D AF_INET) {<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>if (plen =3D=3D 32)<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>return = (NULL);<br>+<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>struct sockaddr_in *sin =3D snl_allocz(ss, = sizeof(*sin));<br>+<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>sin->sin_len =3D = sizeof(*sin);<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>sin->sin_family =3D family;<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>sin->sin_addr.s_addr =3D htonl(plen ? ~((1 << (32 - = plen)) - 1) : 0);<br>+<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>return (struct sockaddr = *)sin;<br>+<span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>} else if (family =3D=3D AF_INET6) {<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>if (plen = =3D=3D 128)<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>return (NULL);<br>+<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>struct sockaddr_in6 *sin6 =3D = snl_allocz(ss, sizeof(*sin6));<br>+<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>sin6->sin6_len =3D = sizeof(*sin6);<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>sin6->sin6_family =3D family;<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>ip6_writemask(&sin6->sin6_addr, plen);<br>+<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>return = (struct sockaddr *)sin6;<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>}<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>return = (NULL);<br>+}<br>+<br>+struct nl_helper {<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>struct = snl_state ss_cmd;<br>+};<br>+<br>+static void<br>+nl_helper_init(struct = nl_helper *h)<br>+{<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>if (!snl_init(&h->ss_cmd, = NETLINK_ROUTE))<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>err(1, "unable to open netlink = socket");<br>+}<br>+<br>+static void<br>+nl_helper_free(struct nl_helper = *h)<br>+{<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>snl_free(&h->ss_cmd);<br>+}<br>+<br>+static = int<br>+rtmsg_nl_int(struct nl_helper *h, int cmd, int rtm_flags, int = fib,<br>+ struct sockaddr_storage *so, struct = rt_metrics *rt_metrics)<br>+{<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>struct snl_state *ss =3D = &h->ss_cmd;<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>struct snl_writer nw;<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>int = nl_type =3D 0, nl_flags =3D 0;<br>+<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>snl_init_writer(ss, = &nw);<br>+<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>switch (cmd) {<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>case RTSOCK_RTM_ADD:<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>nl_type =3D= RTM_NEWROUTE;<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>nl_flags =3D NLM_F_CREATE | NLM_F_APPEND; /* Do append by = default */<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>break;<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>case RTSOCK_RTM_CHANGE:<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>nl_type =3D= RTM_NEWROUTE;<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>nl_flags =3D NLM_F_REPLACE;<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>break;<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>case RTSOCK_RTM_DELETE:<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>nl_type =3D = RTM_DELROUTE;<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>break;<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>case RTSOCK_RTM_GET:<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>nl_type =3D= RTM_GETROUTE;<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>break;<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>default:<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>exit(1);<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>}<br>+<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>struct sockaddr *dst =3D (struct = sockaddr *)&so[RTAX_DST];<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>struct sockaddr *mask =3D (struct = sockaddr *)&so[RTAX_NETMASK];<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>struct sockaddr *gw =3D (struct = sockaddr *)&so[RTAX_GATEWAY];<br>+<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>if (dst =3D=3D NULL)<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>return = (EINVAL);<br>+<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>struct nlmsghdr *hdr =3D snl_create_msg_request(&nw, = nl_type);<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>hdr->nlmsg_flags |=3D nl_flags;<br>+<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>int plen = =3D 0;<br>+<span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>int rtm_type =3D RTN_UNICAST;<br>+<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>switch = (dst->sa_family) {<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>case AF_INET:<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-converted-space"> </span> {<br>+<span= class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>struct = sockaddr_in *mask4 =3D (struct sockaddr_in *)mask;<br>+<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>plen =3D = mask4 ? bitcount32(mask4->sin_addr.s_addr) : 32;<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>break;<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span = class=3D"Apple-converted-space"> </span> }<br>+<span= class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>case = AF_INET6:<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span = class=3D"Apple-converted-space"> </span> {<br>+<span= class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>struct = sockaddr_in6 *mask6 =3D (struct sockaddr_in6 *)mask;<br>+<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>plen =3D = mask6 ? inet6_get_plen(&mask6->sin6_addr) : 128;<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>break;<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span = class=3D"Apple-converted-space"> </span> }<br>+<span= class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>default:<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>return (ENOTSUP);<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>}<br>+<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>if = (rtm_flags & RTF_REJECT)<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>rtm_type =3D = RTN_PROHIBIT;<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>else if (rtm_flags & RTF_BLACKHOLE)<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>rtm_type = =3D RTN_BLACKHOLE;<br>+<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>struct rtmsg *rtm =3D = snl_reserve_msg_object(&nw, struct rtmsg);<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>rtm->rtm_family =3D dst->sa_family;<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>rtm->rtm_protocol =3D RTPROT_STATIC;<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>rtm->rtm_type =3D rtm_type;<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>rtm->rtm_dst_len =3D = plen;<br>+<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>snl_add_msg_attr_ip(&nw, RTA_DST, dst);<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>snl_add_msg_attr_u32(&nw, RTA_TABLE, fib);<br>+<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>if = (rtm_flags & RTF_GATEWAY) {<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>if (gw->sa_family =3D=3D = dst->sa_family)<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>snl_add_msg_attr_ip(&nw, = RTA_GATEWAY, gw);<br>+<span class=3D"Apple-tab-span" style=3D"white-space:= pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>else<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>snl_add_msg_attr_ipvia(&nw, = RTA_VIA, gw);<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>} else if (gw !=3D NULL) {<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>/* Should = be AF_LINK */<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>struct sockaddr_dl *sdl =3D (struct sockaddr_dl = *)gw;<br>+<span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span><span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>if (sdl->sdl_index !=3D 0)<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>snl_add_msg_attr_u32(&nw, = RTA_OIF, sdl->sdl_index);<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>}<br>+<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>if = (rtm_flags !=3D 0)<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>snl_add_msg_attr_u32(&nw, = NL_RTA_RTFLAGS, rtm_flags);<br>+<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>if (rt_metrics->rmx_mtu > = 0) {<br>+<span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span><span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>int off =3D snl_add_msg_attr_nested(&nw, = RTA_METRICS);<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>snl_add_msg_attr_u32(&nw, RTAX_MTU, = rt_metrics->rmx_mtu);<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>snl_end_attr_nested(&nw, = off);<br>+<span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>}<br>+<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>if (rt_metrics->rmx_weight > 0)<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>snl_add_msg_attr_u32(&nw, NL_RTA_WEIGHT, = rt_metrics->rmx_weight);<br>+<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>if (snl_finalize_msg(&nw) = && snl_send_message(ss, hdr)) {<br>+<span class=3D"Apple-tab-span"= style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>struct snl_errmsg_data e =3D = {};<br>+<br>+<span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span><span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>hdr =3D snl_read_reply(ss, hdr->nlmsg_seq);<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>if = (nl_type =3D=3D NL_RTM_GETROUTE) {<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>if (hdr->nlmsg_type =3D=3D = NL_RTM_NEWROUTE)<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>print_getmsg(h, hdr, dst);<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>else = {<br>+<span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span><span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span><span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span><span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>snl_parse_errmsg(ss, hdr, &e);<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>if = (e.error =3D=3D ESRCH)<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>warn("route has not been = found");<br>+<span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span><span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span><span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span><span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>else<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>warn("message indicates error %d", e.error);<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>}<br>+<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>return (0);<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>}<br>+<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>if = (snl_parse_errmsg(ss, hdr, &e))<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>return (e.error);<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>}<br>+<span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>return (EINVAL);<br>+}<br>+<br>+int<br>+rtmsg_nl(int cmd, int = rtm_flags, int fib, struct sockaddr_storage *so,<br>+ = struct rt_metrics *rt_metrics)<br>+{<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>struct = nl_helper h =3D {};<br>+<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>nl_helper_init(&h);<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>int error = =3D rtmsg_nl_int(&h, cmd, rtm_flags, fib, so, rt_metrics);<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>nl_helper_free(&h);<br>+<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>return = (error);<br>+}<br>+<br>+static void<br>+get_ifdata(struct nl_helper *h, = uint32_t ifindex, struct snl_parsed_link_simple *link)<br>+{<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>struct = snl_state *ss =3D &h->ss_cmd;<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>struct snl_writer = nw;<br>+<br>+<span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>snl_init_writer(ss, &nw);<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>struct nlmsghdr *hdr =3D = snl_create_msg_request(&nw, NL_RTM_GETLINK);<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>struct = ifinfomsg *ifmsg =3D snl_reserve_msg_object(&nw, struct = ifinfomsg);<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>if (ifmsg !=3D NULL)<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>ifmsg->ifi_index =3D = ifindex;<br>+<span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>if (!snl_finalize_msg(&nw) || !snl_send_message(ss, = hdr))<br>+<span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span><span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>return;<br>+<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>hdr =3D snl_read_reply(ss, = hdr->nlmsg_seq);<br>+<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>if (hdr !=3D NULL && = hdr->nlmsg_type =3D=3D RTM_NEWLINK) {<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>snl_parse_nlmsg(ss, hdr, &snl_rtm_link_parser_simple, = link);<br>+<span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>}<br>+<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>if (link->ifla_ifname =3D=3D NULL) {<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>char = ifname[16];<br>+<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>snprintf(ifname, sizeof(ifname), "if#%u", = ifindex);<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>int len =3D strlen(ifname);<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>char *buf = =3D snl_allocz(ss, len + 1);<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>strlcpy(buf, ifname, len + = 1);<br>+<span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span><span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>link->ifla_ifname =3D buf;<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>}<br>+}<br>+<br>+static = void<br>+print_getmsg(struct nl_helper *h, struct nlmsghdr *hdr, struct = sockaddr *dst)<br>+{<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>struct snl_state *ss =3D = &h->ss_cmd;<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>struct timespec ts;<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>struct = snl_parsed_route r =3D { .rtax_weight =3D RT_DEFAULT_WEIGHT = };<br>+<br>+<span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>if (!snl_parse_nlmsg(ss, hdr, &snl_rtm_route_parser, = &r))<br>+<span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span><span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>return;<br>+<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>struct snl_parsed_link_simple = link =3D {};<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>get_ifdata(h, r.rta_oif, &link);<br>+<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>if = (r.rtax_mtu =3D=3D 0)<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>r.rtax_mtu =3D = link.ifla_mtu;<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>r.rta_rtflags |=3D (RTF_UP | RTF_DONE);<br>+<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>(void)printf(" route to: %s\n", = routename(dst));<br>+<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>if (r.rta_dst)<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>(void)printf("destination: %s\n", = routename(r.rta_dst));<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>struct sockaddr *mask =3D = get_netmask(ss, r.rtm_family, r.rtm_dst_len);<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>if = (mask)<br>+<span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span><span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>(void)printf(" mask: %s\n", = routename(mask));<br>+<span class=3D"Apple-tab-span" style=3D"white-space:= pre;"> </span>if (r.rta_gw && (r.rta_rtflags & = RTF_GATEWAY))<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>(void)printf(" gateway: %s\n", = routename(r.rta_gw));<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>(void)printf(" = fib: %u\n", (unsigned = int)r.rta_table);<br>+<span class=3D"Apple-tab-span" style=3D"white-space:= pre;"> </span>if (link.ifla_ifname)<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>(void)printf(" interface: = %s\n", link.ifla_ifname);<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>(void)printf(" = flags: ");<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>printb(r.rta_rtflags, routeflags);<br>+<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>struct = rt_metrics rmx =3D {<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>.rmx_mtu =3D = r.rtax_mtu,<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>.rmx_weight =3D r.rtax_weight,<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>.rmx_expire =3D r.rta_expire,<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>};<br>+<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>printf("\n%9s %9s %9s %9s %9s %10s %9s\n", "recvpipe",<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-converted-space"> </span> "sendpipe",= "ssthresh", "rtt,msec", "mtu ", "weight", = "expire");<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>printf("%8lu ", rmx.rmx_recvpipe);<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>printf("%8lu ", rmx.rmx_sendpipe);<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>printf("%8lu ", rmx.rmx_ssthresh);<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>printf("%8lu ", 0UL);<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>printf("%8lu ", = rmx.rmx_mtu);<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>printf("%8lu ", rmx.rmx_weight);<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>if = (rmx.rmx_expire > 0)<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> = </span>clock_gettime(CLOCK_REALTIME_FAST, &ts);<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>else<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>ts.tv_sec =3D 0;<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>printf("%8ld \n", = (long)(rmx.rmx_expire - ts.tv_sec));<br>+}<br>+<br>+static = void<br>+print_prefix(struct nl_helper *h, char *buf, int bufsize, = struct sockaddr *sa, int plen)<br>+{<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>int sz =3D 0;<br>+<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>if (sa =3D=3D= NULL) {<br>+<span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span><span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>snprintf(buf, bufsize, "<NULL>");<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>return;<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>}<br>+<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>switch (sa->sa_family) = {<br>+<span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>case AF_INET:<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>{<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>struct = sockaddr_in *sin =3D (struct sockaddr_in *)sa;<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>char = abuf[INET_ADDRSTRLEN];<br>+<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>inet_ntop(AF_INET, = &sin->sin_addr, abuf, sizeof(abuf));<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>sz =3D = snprintf(buf, bufsize, "%s", abuf);<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>break;<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>}<br>+<span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>case AF_INET6:<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>{<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>struct = sockaddr_in6 *sin6 =3D (struct sockaddr_in6 *)sa;<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>char = abuf[INET6_ADDRSTRLEN];<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>char *ifname =3D = NULL;<br>+<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>inet_ntop(AF_INET6, &sin6->sin6_addr, abuf, = sizeof(abuf));<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) = {<br>+<span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span><span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span><span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span><span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>struct snl_parsed_link_simple link =3D {};<br>+<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>if = (sin6->sin6_scope_id !=3D 0) {<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>get_ifdata(h, = sin6->sin6_scope_id, &link);<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>ifname =3D = link.ifla_ifname;<br>+<span class=3D"Apple-tab-span" style=3D"white-space:= pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>}<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>}<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>if (ifname =3D=3D NULL)<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>sz =3D snprintf(buf, bufsize, = "%s", abuf);<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>else<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>sz =3D snprintf(buf, bufsize, = "%s%%%s", abuf, ifname);<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>break;<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>}<br>+<span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>default:<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>snprintf(buf, bufsize, "unknown_af#%d", = sa->sa_family);<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>plen =3D -1;<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>}<br>+<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>if (plen >=3D 0)<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>snprintf(buf + sz, bufsize - sz, = "/%d", plen);<br>+}<br>+<br>+<br>+static int<br>+print_line_prefix(const = char *cmd, const char *name)<br>+{<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>struct timespec tp;<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>struct tm = tm;<br>+<span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>char buf[32];<br>+<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>clock_gettime(CLOCK_REALTIME, = &tp);<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>localtime_r(&tp.tv_sec, &tm);<br>+<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>strftime(buf, sizeof(buf), "%T", &tm);<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>int len =3D= printf("%s.%03ld %s %s ", buf, tp.tv_nsec / 1000000, cmd, = name);<br>+<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>return (len);<br>+}<br>+<br>+static const char = *<br>+get_action_name(struct nlmsghdr *hdr, int new_cmd)<br>+{<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>if = (hdr->nlmsg_type =3D=3D new_cmd) {<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>//return ((hdr->nlmsg_flags = & NLM_F_REPLACE) ? "replace" : "add");<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>return = ("add/repl");<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>} else<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>return = ("delete");<br>+}<br>+<br>+static void<br>+print_nlmsg_route_nhop(struct = nl_helper *h, struct snl_parsed_route *r,<br>+ struct = rta_mpath_nh *nh, bool first)<br>+{<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>// gw 10.0.0.1 ifp vtnet0 mtu = 1500 table inet.0<br>+<span class=3D"Apple-tab-span" style=3D"white-space:= pre;"> </span>if (nh->gw !=3D NULL) {<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>char = gwbuf[128];<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>print_prefix(h, gwbuf, sizeof(gwbuf), nh->gw, = -1);<br>+<span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span><span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>printf("gw %s ", gwbuf);<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>}<br>+<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>if = (nh->ifindex !=3D 0) {<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>struct snl_parsed_link_simple = link =3D {};<br>+<br>+<span class=3D"Apple-tab-span" style=3D"white-space:= pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>get_ifdata(h, nh->ifindex, &link);<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>if = (nh->rtax_mtu =3D=3D 0)<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>nh->rtax_mtu =3D = link.ifla_mtu;<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>printf("iface %s ", link.ifla_ifname);<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>if = (nh->rtax_mtu !=3D 0)<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>printf("mtu %d ", = nh->rtax_mtu);<br>+<span class=3D"Apple-tab-span" style=3D"white-space:= pre;"> </span>}<br>+<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>if (first) {<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>switch = (r->rtm_family) {<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>case AF_INET:<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>printf("table inet.%d", r->rta_table);<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>break;<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>case AF_INET6:<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>printf("table inet6.%d", = r->rta_table);<br>+<span class=3D"Apple-tab-span" style=3D"white-space:= pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>break;<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>}<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>}<br>+<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>printf("\n");<br>+}<br>+<br>+static = void<br>+print_nlmsg_route(struct nl_helper *h, struct nlmsghdr = *hdr)<br>+{<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>struct snl_parsed_route r =3D { .rtax_weight =3D = RT_DEFAULT_WEIGHT };<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>struct snl_state *ss =3D = &h->ss_cmd;<br>+<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>if (!snl_parse_nlmsg(ss, hdr, = &snl_rtm_route_parser, &r))<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>return;<br>+<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>// = 20:19:41.333 add route 10.0.0.0/24 gw 10.0.0.1 ifp vtnet0 mtu 1500 table = inet.0<br>+<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>const char *cmd =3D get_action_name(hdr, = RTM_NEWROUTE);<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>int len =3D print_line_prefix(cmd, = "route");<br>+<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>char buf[128];<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>print_prefix(h, buf, sizeof(buf), = r.rta_dst, r.rtm_dst_len);<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>len +=3D strlen(buf) + = 1;<br>+<span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>printf("%s ", buf);<br>+<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>switch (r.rtm_type) {<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>case = RTN_BLACKHOLE:<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>printf("blackhole\n");<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>return;<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>case = RTN_UNREACHABLE:<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>printf("unreach(reject)\n");<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>return;<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>case RTN_PROHIBIT:<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> = </span>printf("prohibit(reject)\n");<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>return;<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>}<br>+<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>if (r.rta_multipath !=3D NULL) {<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>bool = first =3D true;<br>+<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>memset(buf, ' ', = sizeof(buf));<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>buf[len] =3D '\0';<br>+<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>for (int i =3D 0; i < = r.rta_multipath->num_nhops; i++) {<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>struct rta_mpath_nh *nh =3D = &r.rta_multipath->nhops[i];<br>+<br>+<span class=3D"Apple-tab-span"= style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>if (!first)<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>printf("%s", buf);<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>print_nlmsg_route_nhop(h, &r, = nh, first);<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>first =3D false;<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>}<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>} else = {<br>+<span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span><span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>struct rta_mpath_nh nh =3D {<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>.gw =3D r.rta_gw,<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>.ifindex = =3D r.rta_oif,<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>.rtax_mtu =3D r.rtax_mtu,<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>};<br>+<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>print_nlmsg_route_nhop(h, &r, &nh, = true);<br>+<span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>}<br>+}<br>+<br>+static const char *operstate[] =3D {<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>"UNKNOWN",<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>/* 0, IF_OPER_UNKNOWN */<br>+<span class=3D"Apple-tab-span"= style=3D"white-space: pre;"> </span>"NOTPRESENT",<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>/* 1, = IF_OPER_NOTPRESENT */<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>"DOWN",<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>/* 2, = IF_OPER_DOWN */<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>"LLDOWN",<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>/* 3, IF_OPER_LOWERLAYERDOWN = */<br>+<span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>"TESTING",<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>/* 4, IF_OPER_TESTING */<br>+<span class=3D"Apple-tab-span"= style=3D"white-space: pre;"> </span>"DORMANT",<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>/* 5, = IF_OPER_DORMANT */<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>"UP",<span class=3D"Apple-tab-span"= style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>/* 6, IF_OPER_UP = */<br>+};<br>+<br>+static void<br>+print_nlmsg_link(struct nl_helper *h, = struct nlmsghdr *hdr)<br>+{<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>struct snl_parsed_link l =3D = {};<br>+<span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>struct snl_state *ss =3D &h->ss_cmd;<br>+<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>if = (!snl_parse_nlmsg(ss, hdr, &snl_rtm_link_parser, &l))<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>return;<br>+<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>// 20:19:41.333 add iface#3 = vtnet0 admin UP oper UP mtu 1500 table inet.0<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>const = char *cmd =3D get_action_name(hdr, RTM_NEWLINK);<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>print_line_prefix(cmd, "iface");<br>+<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>printf("iface#%u %s ", l.ifi_index, l.ifla_ifname);<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>printf("admin %s ", (l.ifi_flags & IFF_UP) ? "UP" : = "DOWN");<br>+<span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>if (l.ifla_operstate < NL_ARRAY_LEN(operstate))<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>printf("oper %s ", operstate[l.ifla_operstate]);<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>if = (l.ifla_mtu > 0)<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>printf("mtu %u ", = l.ifla_mtu);<br>+<br>+<span class=3D"Apple-tab-span" style=3D"white-space:= pre;"> </span>printf("\n");<br>+}<br>+<br>+static = void<br>+print_nlmsg_addr(struct nl_helper *h, struct nlmsghdr = *hdr)<br>+{<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>struct snl_parsed_addr attrs =3D {};<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>struct = snl_state *ss =3D &h->ss_cmd;<br>+<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>if = (!snl_parse_nlmsg(ss, hdr, &snl_rtm_addr_parser, = &attrs))<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>return;<br>+<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>// add addr 192.168.1.1/24 iface = vtnet0<br>+<span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>const char *cmd =3D get_action_name(hdr, RTM_NEWADDR);<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>print_line_prefix(cmd, "addr");<br>+<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>char = buf[128];<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>struct sockaddr *addr =3D attrs.ifa_local ? = attrs.ifa_local : attrs.ifa_address;<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>print_prefix(h, buf, sizeof(buf), = addr, attrs.ifa_prefixlen);<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>printf("%s ", = buf);<br>+<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>struct snl_parsed_link_simple link =3D {};<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>get_ifdata(h, attrs.ifa_index, &link);<br>+<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>if = (link.ifi_flags & IFF_POINTOPOINT) {<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>char = buf[64];<br>+<span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span><span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>print_prefix(h, buf, sizeof(buf), attrs.ifa_address, = -1);<br>+<span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span><span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>printf("-> %s ", buf);<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>}<br>+<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>printf("iface %s ", link.ifla_ifname);<br>+<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>printf("\n");<br>+}<br>+<br>+static const char *nudstate[] =3D = {<br>+<span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>"INCOMPLETE",<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>/* 0x01(0) */<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>"REACHABLE",<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>/* = 0x02(1) */<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>"STALE",<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>/* 0x04(2) */<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>"DELAY",<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>/* 0x08(3) */<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>"PROBE",<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>/* = 0x10(4) */<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>"FAILED",<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>/* 0x20(5) = */<br>+};<br>+<br>+#define<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>NUD_INCOMPLETE<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>0x01<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>/* No = lladdr, address resolution in progress */<br>+#define<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>NUD_REACHABLE<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>0x02<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>/* reachable & recently resolved */<br>+#define<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>NUD_STALE<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>0x04<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>/* has lladdr but it's stale */<br>+#define<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>NUD_DELAY<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>0x08<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>/* has lladdr, is stale, probes delayed = */<br>+#define<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>NUD_PROBE<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>0x10<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>/* has lladdr, is stale, probes = sent */<br>+#define<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>NUD_FAILED<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>0x20<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>/* unused */<br>+<br>+<br>+static = void<br>+print_nlmsg_neigh(struct nl_helper *h, struct nlmsghdr = *hdr)<br>+{<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>struct snl_parsed_neigh attrs =3D {};<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>struct = snl_state *ss =3D &h->ss_cmd;<br>+<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>if = (!snl_parse_nlmsg(ss, hdr, &snl_rtm_neigh_parser, = &attrs))<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>return;<br>+<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>// add addr 192.168.1.1 state %s = lladdr %s iface vtnet0<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>const char *cmd =3D = get_action_name(hdr, RTM_NEWNEIGH);<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>print_line_prefix(cmd, = "neigh");<br>+<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>char buf[128];<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>print_prefix(h, buf, sizeof(buf), = attrs.nda_dst, -1);<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>printf("%s ", = buf);<br>+<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>struct snl_parsed_link_simple link =3D {};<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>get_ifdata(h, attrs.nda_ifindex, &link);<br>+<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>for = (unsigned int i =3D 0; i < NL_ARRAY_LEN(nudstate); i++) {<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>if ((1 = << i) & attrs.ndm_state) {<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>printf("state %s ", = nudstate[i]);<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>break;<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>}<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>}<br>+<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>if (attrs.nda_lladdr !=3D NULL) {<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>int = if_type =3D link.ifi_type;<br>+<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>if ((if_type =3D=3D IFT_ETHER || = if_type =3D=3D IFT_L2VLAN || if_type =3D=3D IFT_BRIDGE) = &&<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span = class=3D"Apple-converted-space"> </span> NLA_DATA_LE= N(attrs.nda_lladdr) =3D=3D ETHER_ADDR_LEN) {<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>struct = ether_addr *ll;<br>+<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>ll =3D (struct ether_addr = *)NLA_DATA(attrs.nda_lladdr);<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>printf("lladdr %s ", = ether_ntoa(ll));<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>} else {<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>struct sockaddr_dl sdl =3D = {<br>+<span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span><span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span><span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span><span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>.sdl_len =3D sizeof(sdl),<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>.sdl_family =3D = AF_LINK,<br>+<span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span><span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span><span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span><span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>.sdl_index =3D attrs.nda_ifindex,<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>.sdl_type = =3D if_type,<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>.sdl_alen =3D NLA_DATA_LEN(attrs.nda_lladdr),<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>};<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>if (sdl.sdl_alen < sizeof(sdl.sdl_data)) {<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>void *ll = =3D NLA_DATA(attrs.nda_lladdr);<br>+<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>memcpy(sdl.sdl_data, ll, = sdl.sdl_alen);<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span><span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>printf("lladdr %s ", link_ntoa(&sdl));<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>}<br>+<span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span><span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>}<br>+<span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>}<br>+<br>+<span class=3D"Apple-tab-span" style=3D"white-space: = pre;"> </span>if (link.ifla_ifname !=3D NULL)<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>printf("iface %s ", link.ifla_ifname);<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>printf("\n");<br>+}<br>+<br>+static = void<br>+print_nlmsg_generic(struct nl_helper *h, struct nlmsghdr = *hdr)<br>+{<br>+}<br>+<br>+static void<br>+print_nlmsg(struct nl_helper = *h, struct nlmsghdr *hdr)<br>+{<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>switch (hdr->nlmsg_type) = {<br>+<span class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>case RTM_NEWLINK:<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>case RTM_DELLINK:<br>+<span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span><span = class=3D"Apple-tab-span" style=3D"white-space: pre;"> = </span>print_nlmsg_link(h, hdr);<br>+<span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span><span class=3D"Apple-tab-span" = style=3D"white-space: pre;"> </span>break;<br>*** 184 LINES SKIPPED = ***</blockquote></div></blockquote></div><br></body></html>= --Apple-Mail=_AE460F85-A90B-4D1C-9453-E5B4D7CEC4B9--
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