diff options
Diffstat (limited to 'usr.bin/netstat')
| -rw-r--r-- | usr.bin/netstat/Makefile | 4 | ||||
| -rw-r--r-- | usr.bin/netstat/if.c | 51 | ||||
| -rw-r--r-- | usr.bin/netstat/ipx.c | 5 | ||||
| -rw-r--r-- | usr.bin/netstat/main.c | 17 | ||||
| -rw-r--r-- | usr.bin/netstat/mroute.c | 10 | ||||
| -rw-r--r-- | usr.bin/netstat/netstat.h | 20 | ||||
| -rw-r--r-- | usr.bin/netstat/route.c | 697 | ||||
| -rw-r--r-- | usr.bin/netstat/show.c | 918 |
8 files changed, 1048 insertions, 674 deletions
diff --git a/usr.bin/netstat/Makefile b/usr.bin/netstat/Makefile index 548e1614531..37cc08f4828 100644 --- a/usr.bin/netstat/Makefile +++ b/usr.bin/netstat/Makefile @@ -1,8 +1,8 @@ -# $OpenBSD: Makefile,v 1.16 2005/06/08 04:47:03 henning Exp $ +# $OpenBSD: Makefile,v 1.17 2006/05/27 19:16:37 claudio Exp $ PROG= netstat SRCS= if.c inet.c inet6.c ipx.c main.c mbuf.c mroute.c route.c \ - unix.c atalk.c mroute6.c net80211.c + unix.c atalk.c mroute6.c net80211.c show.c BINGRP= kmem BINMODE=2555 LDADD= -lkvm diff --git a/usr.bin/netstat/if.c b/usr.bin/netstat/if.c index b3ec560d8ea..10bc7c18516 100644 --- a/usr.bin/netstat/if.c +++ b/usr.bin/netstat/if.c @@ -1,4 +1,4 @@ -/* $OpenBSD: if.c,v 1.46 2005/12/11 17:25:03 deraadt Exp $ */ +/* $OpenBSD: if.c,v 1.47 2006/05/27 19:16:37 claudio Exp $ */ /* $NetBSD: if.c,v 1.16.4.2 1996/06/07 21:46:46 thorpej Exp $ */ /* @@ -34,7 +34,7 @@ #if 0 static char sccsid[] = "from: @(#)if.c 8.2 (Berkeley) 2/21/94"; #else -static char *rcsid = "$OpenBSD: if.c,v 1.46 2005/12/11 17:25:03 deraadt Exp $"; +static char *rcsid = "$OpenBSD: if.c,v 1.47 2006/05/27 19:16:37 claudio Exp $"; #endif #endif /* not lint */ @@ -183,10 +183,10 @@ intpr(int interval, u_long ifnetaddr) */ in = inet_makeaddr(ifaddr.in.ia_subnet, INADDR_ANY); - cp = netname(in.s_addr, + cp = netname4(in.s_addr, ifaddr.in.ia_subnetmask); #else - cp = netname(ifaddr.in.ia_subnet, + cp = netname4(ifaddr.in.ia_subnet, ifaddr.in.ia_subnetmask); #endif if (vflag) @@ -194,7 +194,7 @@ intpr(int interval, u_long ifnetaddr) else n = 11; printf("%-*.*s ", n, n, cp); - cp = routename(sin->sin_addr.s_addr); + cp = routename4(sin->sin_addr.s_addr); if (vflag) n = strlen(cp) < 17 ? 17 : strlen(cp); else @@ -209,7 +209,7 @@ intpr(int interval, u_long ifnetaddr) while (multiaddr != 0) { kread(multiaddr, &inm, sizeof inm); printf("\n%25s %-17.17s ", "", - routename(inm.inm_addr.s_addr)); + routename4(inm.inm_addr.s_addr)); multiaddr = (u_long)LIST_NEXT(&inm, inm_list); } } @@ -227,7 +227,7 @@ intpr(int interval, u_long ifnetaddr) } #endif cp = netname6(&ifaddr.in6.ia_addr, - &ifaddr.in6.ia_prefixmask.sin6_addr); + &ifaddr.in6.ia_prefixmask); if (vflag) n = strlen(cp) < 11 ? 11 : strlen(cp); else @@ -551,3 +551,40 @@ catchalarm(int signo) { signalled = YES; } + +void +upHex(char *p0) +{ + char *p = p0; + + for (; *p; p++) + switch (*p) { + case 'a': + case 'b': + case 'c': + case 'd': + case 'e': + case 'f': + *p += ('A' - 'a'); + break; + } +} + +char * +ipx_phost(struct sockaddr *sa) +{ + struct sockaddr_ipx *sipx = (struct sockaddr_ipx *)sa; + struct sockaddr_ipx work; + static union ipx_net ipx_zeronet; + char *p; + + work = *sipx; + work.sipx_addr.ipx_port = 0; + work.sipx_addr.ipx_net = ipx_zeronet; + + p = ipx_print((struct sockaddr *)&work); + if (strncmp("0H.", p, 3) == 0) + p += 3; + return(p); +} + diff --git a/usr.bin/netstat/ipx.c b/usr.bin/netstat/ipx.c index 6c5e1b57d06..dd622f9ff18 100644 --- a/usr.bin/netstat/ipx.c +++ b/usr.bin/netstat/ipx.c @@ -1,4 +1,4 @@ -/* $OpenBSD: ipx.c,v 1.18 2005/10/17 19:09:36 otto Exp $ */ +/* $OpenBSD: ipx.c,v 1.19 2006/05/27 19:16:37 claudio Exp $ */ /* * Copyright (c) 1996 Michael Shalayeff @@ -34,7 +34,7 @@ #if 0 static char sccsid[] = "from: @(#)ns.c 8.1 (Berkeley) 6/6/93"; #else -static char *rcsid = "$OpenBSD: ipx.c,v 1.18 2005/10/17 19:09:36 otto Exp $"; +static char *rcsid = "$OpenBSD: ipx.c,v 1.19 2006/05/27 19:16:37 claudio Exp $"; #endif #endif /* not lint */ @@ -66,6 +66,7 @@ static char *rcsid = "$OpenBSD: ipx.c,v 1.18 2005/10/17 19:09:36 otto Exp $"; #include <errno.h> #include <stdio.h> #include <string.h> + #include "netstat.h" struct ipxpcb ipxpcb; diff --git a/usr.bin/netstat/main.c b/usr.bin/netstat/main.c index bc69a48afa4..d743d41c3b6 100644 --- a/usr.bin/netstat/main.c +++ b/usr.bin/netstat/main.c @@ -1,4 +1,4 @@ -/* $OpenBSD: main.c,v 1.61 2005/07/04 01:54:10 djm Exp $ */ +/* $OpenBSD: main.c,v 1.62 2006/05/27 19:16:37 claudio Exp $ */ /* $NetBSD: main.c,v 1.9 1996/05/07 02:55:02 thorpej Exp $ */ /* @@ -40,7 +40,7 @@ char copyright[] = #if 0 static char sccsid[] = "from: @(#)main.c 8.4 (Berkeley) 3/1/94"; #else -static char *rcsid = "$OpenBSD: main.c,v 1.61 2005/07/04 01:54:10 djm Exp $"; +static char *rcsid = "$OpenBSD: main.c,v 1.62 2006/05/27 19:16:37 claudio Exp $"; #endif #endif /* not lint */ @@ -396,7 +396,16 @@ main(int argc, char *argv[]) if (nlistf != NULL || memf != NULL || Pflag) if (setresgid(gid, gid, gid) == -1) err(1, "setresgid"); - + if (nlistf == NULL && memf == NULL && rflag && !Aflag) { + /* printing the routing table no longer needs kvm */ + if (setresgid(gid, gid, gid) == -1) + err(1, "setresgid"); + if (sflag) + rt_stats(1, 0); + else + p_rttables(af); + exit(0); + } if ((kvmd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf)) == NULL) { fprintf(stderr, "%s: kvm_open: %s\n", __progname, buf); @@ -466,7 +475,7 @@ main(int argc, char *argv[]) } if (rflag) { if (sflag) - rt_stats(nl[N_RTSTAT].n_value); + rt_stats(0, nl[N_RTSTAT].n_value); else routepr(nl[N_RTREE].n_value); exit(0); diff --git a/usr.bin/netstat/mroute.c b/usr.bin/netstat/mroute.c index bd60dd9bc32..200d70cacb2 100644 --- a/usr.bin/netstat/mroute.c +++ b/usr.bin/netstat/mroute.c @@ -1,4 +1,4 @@ -/* $OpenBSD: mroute.c,v 1.15 2005/10/17 19:09:36 otto Exp $ */ +/* $OpenBSD: mroute.c,v 1.16 2006/05/27 19:16:37 claudio Exp $ */ /* $NetBSD: mroute.c,v 1.10 1996/05/11 13:51:27 mycroft Exp $ */ /* @@ -151,9 +151,9 @@ mroutepr(u_long mrpaddr, u_long mfchashtbladdr, u_long mfchashaddr, u_long vifad printf(" %3u %3u %5u %-15.15s", vifi, v->v_threshold, v->v_rate_limit, - routename(v->v_lcl_addr.s_addr)); + routename4(v->v_lcl_addr.s_addr)); printf(" %-15.15s %6lu %7lu\n", (v->v_flags & VIFF_TUNNEL) ? - routename(v->v_rmt_addr.s_addr) : "", + routename4(v->v_rmt_addr.s_addr) : "", v->v_pkt_in, v->v_pkt_out); } if (!banner_printed) @@ -178,9 +178,9 @@ mroutepr(u_long mrpaddr, u_long mfchashtbladdr, u_long mfchashaddr, u_long vifad kread((u_long)mfcp, &mfc, sizeof(mfc)); printf(" %3u %-15.15s", - i, routename(mfc.mfc_origin.s_addr)); + i, routename4(mfc.mfc_origin.s_addr)); printf(" %-15.15s %7s %3u ", - routename(mfc.mfc_mcastgrp.s_addr), + routename4(mfc.mfc_mcastgrp.s_addr), pktscale(mfc.mfc_pkt_cnt), mfc.mfc_parent); for (vifi = 0; vifi <= numvifs; ++vifi) if (mfc.mfc_ttls[vifi]) diff --git a/usr.bin/netstat/netstat.h b/usr.bin/netstat/netstat.h index a3d3f5c7351..7a1c370737c 100644 --- a/usr.bin/netstat/netstat.h +++ b/usr.bin/netstat/netstat.h @@ -1,4 +1,4 @@ -/* $OpenBSD: netstat.h,v 1.35 2005/06/15 10:53:23 markus Exp $ */ +/* $OpenBSD: netstat.h,v 1.36 2006/05/27 19:16:37 claudio Exp $ */ /* $NetBSD: netstat.h,v 1.6 1996/05/07 02:55:05 thorpej Exp $ */ /* @@ -96,10 +96,10 @@ void impstats(u_long, u_long); void intpr(int, u_long); -void pr_rthdr(int); +void rt_stats(int, u_long); +void pr_rthdr(int, int); void pr_encaphdr(void); void pr_family(int); -void rt_stats(u_long); char *ns_phost(struct sockaddr *); char *ipx_phost(struct sockaddr *); void upHex(char *); @@ -117,12 +117,18 @@ void rip6_stats(u_long, char *); void mroute6pr(u_long, u_long, u_long); void mrt6_stats(u_long, u_long); char *routename6(struct sockaddr_in6 *); -char *netname6(struct sockaddr_in6 *, struct in6_addr *); +char *netname6(struct sockaddr_in6 *, struct sockaddr_in6 *); #endif /*INET6*/ -char *routename(in_addr_t); -char *netname(in_addr_t, in_addr_t); -char *ns_print(struct sockaddr *); +void p_rttables(int); +void p_flags(int, char *); +void p_addr(struct sockaddr *, struct sockaddr *, int); +void p_gwaddr(struct sockaddr *, int); +void p_sockaddr(struct sockaddr *, struct sockaddr *, int, int); +char *routename(struct sockaddr *); +char *routename4(in_addr_t); +char *netname(struct sockaddr *, struct sockaddr *); +char *netname4(in_addr_t, in_addr_t); char *ipx_print(struct sockaddr *); void routepr(u_long); diff --git a/usr.bin/netstat/route.c b/usr.bin/netstat/route.c index 07515b1434a..86072fd2756 100644 --- a/usr.bin/netstat/route.c +++ b/usr.bin/netstat/route.c @@ -1,4 +1,4 @@ -/* $OpenBSD: route.c,v 1.71 2006/04/12 09:24:44 hshoexer Exp $ */ +/* $OpenBSD: route.c,v 1.72 2006/05/27 19:16:37 claudio Exp $ */ /* $NetBSD: route.c,v 1.15 1996/05/07 02:55:06 thorpej Exp $ */ /* @@ -34,7 +34,7 @@ #if 0 static char sccsid[] = "from: @(#)route.c 8.3 (Berkeley) 3/9/94"; #else -static char *rcsid = "$OpenBSD: route.c,v 1.71 2006/04/12 09:24:44 hshoexer Exp $"; +static char *rcsid = "$OpenBSD: route.c,v 1.72 2006/05/27 19:16:37 claudio Exp $"; #endif #endif /* not lint */ @@ -52,14 +52,8 @@ static char *rcsid = "$OpenBSD: route.c,v 1.71 2006/04/12 09:24:44 hshoexer Exp #include <netinet/in.h> #include <arpa/inet.h> -#include <netipx/ipx.h> - -#include <netatalk/at.h> - #include <sys/sysctl.h> -#include <arpa/inet.h> - #include <err.h> #include <limits.h> #include <netdb.h> @@ -84,33 +78,6 @@ static char *rcsid = "$OpenBSD: route.c,v 1.71 2006/04/12 09:24:44 hshoexer Exp struct radix_node_head *rt_tables[AF_MAX+1]; -/* - * Definitions for showing gateway flags. - */ -struct bits { - int b_mask; - char b_val; -} bits[] = { - { RTF_UP, 'U' }, - { RTF_GATEWAY, 'G' }, - { RTF_HOST, 'H' }, - { RTF_REJECT, 'R' }, - { RTF_BLACKHOLE, 'B' }, - { RTF_DYNAMIC, 'D' }, - { RTF_MODIFIED, 'M' }, - { RTF_DONE, 'd' }, /* Completed -- for routing messages only */ - { RTF_MASK, 'm' }, /* Mask Present -- for routing messages only */ - { RTF_CLONING, 'C' }, - { RTF_XRESOLVE, 'X' }, - { RTF_LLINFO, 'L' }, - { RTF_STATIC, 'S' }, - { RTF_PROTO1, '1' }, - { RTF_PROTO2, '2' }, - { RTF_PROTO3, '3' }, - { RTF_CLONED, 'c' }, - { 0 } -}; - static union { struct sockaddr u_sa; u_int32_t u_data[64]; @@ -122,17 +89,11 @@ struct rtentry rtentry; struct radix_node rnode; struct radix_mask rmask; -int NewTree = 0; - static struct sockaddr *kgetsa(struct sockaddr *); static void p_tree(struct radix_node *); static void p_rtnode(void); static void p_rtflags(u_char); -static void ntreestuff(void); -static void np_rtentry(struct rt_msghdr *); -static void p_sockaddr(struct sockaddr *, struct sockaddr *, int, int); -static void p_flags(int, char *); -static void p_rtentry(struct rtentry *); +static void p_krtentry(struct rtentry *); static void encap_print(struct rtentry *); /* @@ -146,118 +107,30 @@ routepr(u_long rtree) printf("Routing tables\n"); - if (Aflag == 0 && NewTree) - ntreestuff(); - else { - if (rtree == 0) { - printf("rt_tables: symbol not in namelist\n"); - return; - } + if (rtree == 0) { + printf("rt_tables: symbol not in namelist\n"); + return; + } - kget(rtree, rt_tables); - for (i = 0; i <= AF_MAX; i++) { - if ((rnh = rt_tables[i]) == 0) - continue; - kget(rnh, head); - if (i == AF_UNSPEC) { - if (Aflag && af == 0) { - printf("Netmasks:\n"); - p_tree(head.rnh_treetop); - } - } else if (af == AF_UNSPEC || af == i) { - pr_family(i); - do_rtent = 1; - if (i != PF_KEY) - pr_rthdr(i); - else - pr_encaphdr(); + kget(rtree, rt_tables); + for (i = 0; i <= AF_MAX; i++) { + if ((rnh = rt_tables[i]) == 0) + continue; + kget(rnh, head); + if (i == AF_UNSPEC) { + if (Aflag && (af == 0 || af == 0xff)) { + printf("Netmasks:\n"); p_tree(head.rnh_treetop); } + } else if (af == AF_UNSPEC || af == i) { + pr_family(i); + do_rtent = 1; + pr_rthdr(i, Aflag); + p_tree(head.rnh_treetop); } } } -/* - * Print address family header before a section of the routing table. - */ -void -pr_family(int af) -{ - char *afname; - - switch (af) { - case AF_INET: - afname = "Internet"; - break; -#ifdef INET6 - case AF_INET6: - afname = "Internet6"; - break; -#endif - case AF_IPX: - afname = "IPX"; - break; - case PF_KEY: - afname = "Encap"; - break; - case AF_APPLETALK: - afname = "AppleTalk"; - break; - default: - afname = NULL; - break; - } - if (afname) - printf("\n%s:\n", afname); - else - printf("\nProtocol Family %d:\n", af); -} - -/* column widths; each followed by one space */ -#ifndef INET6 -#define WID_DST(af) 18 /* width of destination column */ -#define WID_GW(af) 18 /* width of gateway column */ -#else -/* width of destination/gateway column */ -#if 1 -/* strlen("fe80::aaaa:bbbb:cccc:dddd@gif0") == 30, strlen("/128") == 4 */ -#define WID_DST(af) ((af) == AF_INET6 ? (nflag ? 34 : 18) : 18) -#define WID_GW(af) ((af) == AF_INET6 ? (nflag ? 30 : 18) : 18) -#else -/* strlen("fe80::aaaa:bbbb:cccc:dddd") == 25, strlen("/128") == 4 */ -#define WID_DST(af) ((af) == AF_INET6 ? (nflag ? 29 : 18) : 18) -#define WID_GW(af) ((af) == AF_INET6 ? (nflag ? 25 : 18) : 18) -#endif -#endif /* INET6 */ - -/* - * Print header for routing table columns. - */ -void -pr_rthdr(int af) -{ - - if (Aflag) - printf("%-*.*s ", PLEN, PLEN, "Address"); - printf("%-*.*s %-*.*s %-6.6s %6.6s %6.6s %6.6s %s\n", - WID_DST(af), WID_DST(af), "Destination", - WID_GW(af), WID_GW(af), "Gateway", - "Flags", "Refs", "Use", "Mtu", "Interface"); -} - -/* - * Print header for PF_KEY entries. - */ -void -pr_encaphdr(void) -{ - if (Aflag) - printf("%-*s ", PLEN, "Address"); - printf("%-18s %-5s %-18s %-5s %-5s %-22s\n", - "Source", "Port", "Destination", - "Port", "Proto", "SA(Address/Proto/Type/Direction)"); -} - static struct sockaddr * kgetsa(struct sockaddr *dst) { @@ -283,7 +156,7 @@ again: rnode.rn_dupedkey ? " =>\n" : "\n"); } else if (do_rtent) { kget(rn, rtentry); - p_rtentry(&rtentry); + p_krtentry(&rtentry); if (Aflag) p_rtnode(); } else { @@ -367,230 +240,7 @@ p_rtnode(void) } static void -ntreestuff(void) -{ - size_t needed; - int mib[6]; - char *buf, *next, *lim; - struct rt_msghdr *rtm; - - mib[0] = CTL_NET; - mib[1] = PF_ROUTE; - mib[2] = 0; - mib[3] = 0; - mib[4] = NET_RT_DUMP; - mib[5] = 0; - if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0) { - perror("route-sysctl-estimate"); - exit(1); - } - if ((buf = malloc(needed)) == NULL) - err(1, NULL); - if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0) { - perror("sysctl of routing table"); - exit(1); - } - lim = buf + needed; - for (next = buf; next < lim; next += rtm->rtm_msglen) { - rtm = (struct rt_msghdr *)next; - np_rtentry(rtm); - } - free(buf); -} - -static void -np_rtentry(struct rt_msghdr *rtm) -{ - struct sockaddr *sa = (struct sockaddr *)(rtm + 1); -#ifdef notdef - static int masks_done, banner_printed; -#endif - static int old_af; - int af = 0, interesting = RTF_UP | RTF_GATEWAY | RTF_HOST; - -#ifdef notdef - /* for the moment, netmasks are skipped over */ - if (!banner_printed) { - printf("Netmasks:\n"); - banner_printed = 1; - } - if (masks_done == 0) { - if (rtm->rtm_addrs != RTA_DST ) { - masks_done = 1; - af = sa->sa_family; - } - } else -#endif - af = sa->sa_family; - if (af != old_af) { - pr_family(af); - old_af = af; - } - if (rtm->rtm_addrs == RTA_DST) - p_sockaddr(sa, 0, 0, 36); - else { - p_sockaddr(sa, 0, rtm->rtm_flags, 16); - sa = (struct sockaddr *)(ROUNDUP(sa->sa_len) + (char *)sa); - p_sockaddr(sa, 0, 0, 18); - } - p_flags(rtm->rtm_flags & interesting, "%-6.6s "); - putchar('\n'); -} - -static void -p_sockaddr(struct sockaddr *sa, struct sockaddr *mask, int flags, int width) -{ - char workbuf[128], *cplim; - char *cp = workbuf; - size_t n; - - switch (sa->sa_family) { - case AF_INET: - { - struct sockaddr_in *sin = (struct sockaddr_in *)sa; - struct sockaddr_in *msin = (struct sockaddr_in *)mask; - - cp = (sin->sin_addr.s_addr == 0 && mask && - msin->sin_addr.s_addr == 0) ? "default" : - (mask == NULL || msin->sin_addr.s_addr == (in_addr_t)-1 ? - routename(sin->sin_addr.s_addr) : - netname(sin->sin_addr.s_addr, msin->sin_addr.s_addr)); - - break; - } - -#ifdef INET6 - case AF_INET6: - { - struct sockaddr_in6 *sa6 = (struct sockaddr_in6 *)sa; -#ifdef __KAME__ - struct in6_addr *in6 = &sa6->sin6_addr; - - /* - * XXX: This is a special workaround for KAME kernels. - * sin6_scope_id field of SA should be set in the future. - */ - if (IN6_IS_ADDR_LINKLOCAL(in6) || - IN6_IS_ADDR_MC_LINKLOCAL(in6)) { - /* XXX: override is ok? */ - sa6->sin6_scope_id = (u_int32_t)ntohs(*(u_short *) - &in6->s6_addr[2]); - *(u_short *)&in6->s6_addr[2] = 0; - } -#endif - if (flags & RTF_HOST) - cp = routename6(sa6); - else if (mask) { - cp = netname6(sa6, - &((struct sockaddr_in6 *)mask)->sin6_addr); - } else - cp = netname6(sa6, NULL); - break; - } -#endif - - case AF_IPX: - cp = ipx_print(sa); - break; - - case AF_LINK: - { - struct sockaddr_dl *sdl = (struct sockaddr_dl *)sa; - - if (sdl->sdl_nlen == 0 && sdl->sdl_alen == 0 && - sdl->sdl_slen == 0) - (void) snprintf(workbuf, sizeof workbuf, - "link#%d", sdl->sdl_index); - else switch (sdl->sdl_type) { - case IFT_ETHER: - { - int i; - u_char *lla = (u_char *)sdl->sdl_data + - sdl->sdl_nlen; - - cplim = ""; - for (i = 0; i < sdl->sdl_alen; i++, lla++) { - n = snprintf(cp, - workbuf + sizeof (workbuf) - cp, - "%s%x", cplim, *lla); - cplim = ":"; - if (n < 0) /* What else to do ? */ - continue; - if (n >= workbuf + sizeof (workbuf) - cp) - n = workbuf + sizeof (workbuf) - cp - 1; - cp += n; - } - cp = workbuf; - break; - } - default: - cp = link_ntoa(sdl); - break; - } - break; - } - - case AF_APPLETALK: - { - /* XXX could do better */ - cp = atalk_print(sa,11); - break; - } - default: - { - u_char *s = (u_char *)sa->sa_data, *slim; - - slim = sa->sa_len + (u_char *) sa; - cplim = cp + sizeof(workbuf) - 6; - if ((n = snprintf(cp, cplim - cp, "(%d)", sa->sa_family)) >= - cplim - cp) - n = cplim - cp - 1; - if (n > 0) - cp += n; - while (s < slim && cp < cplim) { - if ((n = snprintf(cp, workbuf + sizeof (workbuf) - cp, - " %02x", *s++)) >= workbuf + sizeof (workbuf) - cp) - n = workbuf + sizeof (workbuf) - cp - 1; - if (n > 0) - cp += n; - if (s < slim) { - if ((n = snprintf(cp, - workbuf + sizeof (workbuf) - cp, - "%02x", *s++)) >= - workbuf + sizeof (workbuf) - cp) - n = workbuf + sizeof (workbuf) - cp - 1; - if (n > 0) - cp += n; - } - } - cp = workbuf; - } - } - if (width < 0 ) - printf("%s ", cp); - else { - if (nflag) - printf("%-*s ", width, cp); - else - printf("%-*.*s ", width, width, cp); - } -} - -static void -p_flags(int f, char *format) -{ - char name[33], *flags; - struct bits *p = bits; - - for (flags = name; p->b_mask; p++) - if (p->b_mask & f) - *flags++ = p->b_val; - *flags = '\0'; - printf(format, name); -} - -static void -p_rtentry(struct rtentry *rt) +p_krtentry(struct rtentry *rt) { static struct ifnet ifnet, *lastif; struct sockaddr_storage sock1, sock2; @@ -613,8 +263,8 @@ p_rtentry(struct rtentry *rt) } else mask = 0; - p_sockaddr(sa, mask, rt->rt_flags, WID_DST(sa->sa_family)); - p_sockaddr(kgetsa(rt->rt_gateway), 0, RTF_HOST, WID_GW(sa->sa_family)); + p_addr(sa, mask, rt->rt_flags); + p_gwaddr(kgetsa(rt->rt_gateway), sa->sa_family); p_flags(rt->rt_flags, "%-6.6s "); printf("%6d %8ld ", rt->rt_refcnt, rt->rt_use); if (rt->rt_rmx.rmx_mtu) @@ -622,6 +272,7 @@ p_rtentry(struct rtentry *rt) else printf("%6s ", "-"); putchar((rt->rt_rmx.rmx_locks & RTV_MTU) ? 'L' : ' '); + if (rt->rt_ifp) { if (rt->rt_ifp != lastif) { kget(rt->rt_ifp, ifnet); @@ -637,199 +288,35 @@ p_rtentry(struct rtentry *rt) (rt->rt_rmx.rmx_locks & RTV_EXPIRE) ? 'L' : ' '); } -char * -routename(in_addr_t in) -{ - char *cp; - static char line[MAXHOSTNAMELEN]; - struct hostent *hp; - static char domain[MAXHOSTNAMELEN]; - static int first = 1; - - if (first) { - first = 0; - if (gethostname(domain, sizeof domain) == 0 && - (cp = strchr(domain, '.'))) - (void) strlcpy(domain, cp + 1, sizeof domain); - else - domain[0] = '\0'; - } - cp = NULL; - if (!nflag) { - hp = gethostbyaddr((char *)&in, sizeof (struct in_addr), - AF_INET); - if (hp) { - if ((cp = strchr(hp->h_name, '.')) && - !strcmp(cp + 1, domain)) - *cp = '\0'; - cp = hp->h_name; - } - } - if (cp) { - strlcpy(line, cp, sizeof(line)); - } else { -#define C(x) ((x) & 0xff) - in = ntohl(in); - snprintf(line, sizeof line, "%u.%u.%u.%u", - C(in >> 24), C(in >> 16), C(in >> 8), C(in)); - } - return (line); -} - -/* - * Return the name of the network whose address is given. - * The address is assumed to be that of a net or subnet, not a host. - */ -char * -netname(in_addr_t in, in_addr_t mask) -{ - char *cp = NULL; - static char line[MAXHOSTNAMELEN]; - struct netent *np = NULL; - int mbits; - - in = ntohl(in); - mask = ntohl(mask); - if (!nflag && in != INADDR_ANY) { - if ((np = getnetbyaddr(in, AF_INET)) != NULL) - cp = np->n_name; - } - mbits = mask ? 33 - ffs(mask) : 0; - if (cp) { - strlcpy(line, cp, sizeof(line)); - } else if (mbits < 9) - snprintf(line, sizeof line, "%u/%d", C(in >> 24), mbits); - else if (mbits < 17) - snprintf(line, sizeof line, "%u.%u/%d", - C(in >> 24) , C(in >> 16), mbits); - else if (mbits < 25) - snprintf(line, sizeof line, "%u.%u.%u/%d", - C(in >> 24), C(in >> 16), C(in >> 8), mbits); - else - snprintf(line, sizeof line, "%u.%u.%u.%u/%d", C(in >> 24), - C(in >> 16), C(in >> 8), C(in), mbits); - return (line); -} - -#ifdef INET6 -char * -netname6(struct sockaddr_in6 *sa6, struct in6_addr *mask) -{ - static char line[MAXHOSTNAMELEN + 1]; - struct sockaddr_in6 sin6; - u_char *p; - u_char *lim; - int masklen, final = 0, illegal = 0; - int i; - char hbuf[NI_MAXHOST]; - int flag = 0; - int error; - - sin6 = *sa6; - - masklen = 0; - lim = (u_char *)(mask + 1); - i = 0; - if (mask) { - for (p = (u_char *)mask; p < lim; p++) { - if (final && *p) { - illegal++; - sin6.sin6_addr.s6_addr[i++] = 0x00; - continue; - } - - switch (*p & 0xff) { - case 0xff: - masklen += 8; - break; - case 0xfe: - masklen += 7; - final++; - break; - case 0xfc: - masklen += 6; - final++; - break; - case 0xf8: - masklen += 5; - final++; - break; - case 0xf0: - masklen += 4; - final++; - break; - case 0xe0: - masklen += 3; - final++; - break; - case 0xc0: - masklen += 2; - final++; - break; - case 0x80: - masklen += 1; - final++; - break; - case 0x00: - final++; - break; - default: - final++; - illegal++; - break; - } - - if (!illegal) - sin6.sin6_addr.s6_addr[i++] &= *p; - else - sin6.sin6_addr.s6_addr[i++] = 0x00; - } - } else - masklen = 128; - - if (masklen == 0 && IN6_IS_ADDR_UNSPECIFIED(&sin6.sin6_addr)) - return("default"); - - if (illegal) - fprintf(stderr, "illegal prefixlen\n"); - - if (nflag) - flag |= NI_NUMERICHOST; - error = getnameinfo((struct sockaddr *)&sin6, sin6.sin6_len, - hbuf, sizeof(hbuf), NULL, 0, flag); - if (error) - snprintf(hbuf, sizeof(hbuf), "invalid"); - - snprintf(line, sizeof(line), "%s/%d", hbuf, masklen); - return line; -} - -char * -routename6(struct sockaddr_in6 *sa6) -{ - static char line[NI_MAXHOST]; - const int niflag = NI_NUMERICHOST; - - if (getnameinfo((struct sockaddr *)sa6, sa6->sin6_len, - line, sizeof(line), NULL, 0, niflag) != 0) - strlcpy(line, "", sizeof line); - return line; -} -#endif /*INET6*/ - /* * Print routing statistics */ void -rt_stats(u_long off) +rt_stats(int usesysctl, u_long off) { struct rtstat rtstat; - - if (off == 0) { + int mib[6]; + size_t size; + + if (usesysctl) { + mib[0] = CTL_NET; + mib[1] = PF_ROUTE; + mib[2] = 0; + mib[3] = 0; + mib[4] = NET_RT_STATS; + mib[5] = 0; + size = sizeof (rtstat); + + if (sysctl(mib, 6, &rtstat, &size, NULL, 0) < 0) { + perror("sysctl of routing table statistics"); + exit(1); + } + } else if (off == 0) { printf("rtstat: symbol not in namelist\n"); return; - } - kread(off, &rtstat, sizeof (rtstat)); + } else + kread(off, &rtstat, sizeof (rtstat)); + printf("routing:\n"); printf("\t%u bad routing redirect%s\n", rtstat.rts_badredirect, plural(rtstat.rts_badredirect)); @@ -843,72 +330,6 @@ rt_stats(u_long off) rtstat.rts_wildcard, plural(rtstat.rts_wildcard)); } -u_short ipx_nullh[] = {0,0,0}; -u_short ipx_bh[] = {0xffff,0xffff,0xffff}; - -char * -ipx_print(struct sockaddr *sa) -{ - struct sockaddr_ipx *sipx = (struct sockaddr_ipx*)sa; - struct ipx_addr work; - union { union ipx_net net_e; u_long long_e; } net; - in_port_t port; - static char mybuf[50], cport[10], chost[25]; - char *host = ""; - char *q; - - work = sipx->sipx_addr; - port = ntohs(work.ipx_port); - work.ipx_port = 0; - net.net_e = work.ipx_net; - if (ipx_nullhost(work) && net.long_e == 0) { - if (port != 0) { - snprintf(mybuf, sizeof mybuf, "*.%xH", port); - upHex(mybuf); - } else - snprintf(mybuf, sizeof mybuf, "*.*"); - return (mybuf); - } - - if (bcmp(ipx_bh, work.ipx_host.c_host, 6) == 0) { - host = "any"; - } else if (bcmp(ipx_nullh, work.ipx_host.c_host, 6) == 0) { - host = "*"; - } else { - q = work.ipx_host.c_host; - snprintf(chost, sizeof chost, "%02x:%02x:%02x:%02x:%02x:%02x", - q[0], q[1], q[2], q[3], q[4], q[5]); - host = chost; - } - if (port) - snprintf(cport, sizeof cport, ".%xH", htons(port)); - else - *cport = 0; - - snprintf(mybuf, sizeof mybuf, "%xH.%s%s", ntohl(net.long_e), - host, cport); - upHex(mybuf); - return(mybuf); -} - -char * -ipx_phost(struct sockaddr *sa) -{ - struct sockaddr_ipx *sipx = (struct sockaddr_ipx *)sa; - struct sockaddr_ipx work; - static union ipx_net ipx_zeronet; - char *p; - - work = *sipx; - work.sipx_addr.ipx_port = 0; - work.sipx_addr.ipx_net = ipx_zeronet; - - p = ipx_print((struct sockaddr *)&work); - if (strncmp("0H.", p, 3) == 0) - p += 3; - return(p); -} - static void encap_print(struct rtentry *rt) { @@ -924,9 +345,9 @@ encap_print(struct rtentry *rt) bcopy(kgetsa(rt->rt_gateway), &sen3, sizeof(sen3)); if (sen1.sen_type == SENT_IP4) { - printf("%-18s %-5u ", netname(sen1.sen_ip_src.s_addr, + printf("%-18s %-5u ", netname4(sen1.sen_ip_src.s_addr, sen2.sen_ip_src.s_addr), ntohs(sen1.sen_sport)); - printf("%-18s %-5u %-5u ", netname(sen1.sen_ip_dst.s_addr, + printf("%-18s %-5u %-5u ", netname4(sen1.sen_ip_dst.s_addr, sen2.sen_ip_dst.s_addr), ntohs(sen1.sen_dport), sen1.sen_proto); } @@ -958,7 +379,7 @@ encap_print(struct rtentry *rt) } #endif - printf("%-42s %-5u ", netname6(&s61, &s62.sin6_addr), + printf("%-42s %-5u ", netname6(&s61, &s62), ntohs(sen1.sen_ip6_sport)); bzero(&s61, sizeof(s61)); @@ -986,7 +407,7 @@ encap_print(struct rtentry *rt) } #endif - printf("%-42s %-5u %-5u ", netname6(&s61, &s62.sin6_addr), + printf("%-42s %-5u %-5u ", netname6(&s61, &s62), ntohs(sen1.sen_ip6_dport), sen1.sen_ip6_proto); } #endif /* INET6 */ @@ -1041,21 +462,3 @@ encap_print(struct rtentry *rt) printf("/<unknown>\n"); } } - -void -upHex(char *p0) -{ - char *p = p0; - - for (; *p; p++) - switch (*p) { - case 'a': - case 'b': - case 'c': - case 'd': - case 'e': - case 'f': - *p += ('A' - 'a'); - break; - } -} diff --git a/usr.bin/netstat/show.c b/usr.bin/netstat/show.c new file mode 100644 index 00000000000..cbdd6c97b6c --- /dev/null +++ b/usr.bin/netstat/show.c @@ -0,0 +1,918 @@ +/* $OpenBSD: show.c,v 1.1 2006/05/27 19:16:37 claudio Exp $ */ +/* $NetBSD: show.c,v 1.1 1996/11/15 18:01:41 gwr Exp $ */ + +/* + * Copyright (c) 1983, 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <sys/param.h> +#include <sys/protosw.h> +#include <sys/socket.h> +#include <sys/mbuf.h> +#include <sys/sysctl.h> + +#include <net/if.h> +#include <net/if_dl.h> +#include <net/if_types.h> +#include <net/pfkeyv2.h> +#include <net/route.h> +#include <netinet/in.h> +#include <netipx/ipx.h> +#include <netinet/if_ether.h> +#include <netinet/ip_ipsp.h> +#include <arpa/inet.h> + +#include <err.h> +#include <errno.h> +#include <netdb.h> +#include <stdio.h> +#include <stddef.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#include "netstat.h" + +char *any_ntoa(const struct sockaddr *); +char *link_print(struct sockaddr *); + +#define ROUNDUP(a) \ + ((a) > 0 ? (1 + (((a) - 1) | (sizeof(long) - 1))) : sizeof(long)) +#define ADVANCE(x, n) (x += ROUNDUP((n)->sa_len)) + +#define PFKEYV2_CHUNK sizeof(u_int64_t) + +/* + * Definitions for showing gateway flags. + */ +struct bits { + int b_mask; + char b_val; +}; +static const struct bits bits[] = { + { RTF_UP, 'U' }, + { RTF_GATEWAY, 'G' }, + { RTF_HOST, 'H' }, + { RTF_REJECT, 'R' }, + { RTF_BLACKHOLE, 'B' }, + { RTF_DYNAMIC, 'D' }, + { RTF_MODIFIED, 'M' }, + { RTF_DONE, 'd' }, /* Completed -- for routing messages only */ + { RTF_MASK, 'm' }, /* Mask Present -- for routing messages only */ + { RTF_CLONING, 'C' }, + { RTF_XRESOLVE, 'X' }, + { RTF_LLINFO, 'L' }, + { RTF_STATIC, 'S' }, + { RTF_PROTO1, '1' }, + { RTF_PROTO2, '2' }, + { RTF_PROTO3, '3' }, + { RTF_CLONED, 'c' }, + { RTF_JUMBO, 'J' }, + { 0 } +}; + +void pr_rthdr(int, int); +void p_rtentry(struct rt_msghdr *); +void p_pfkentry(struct sadb_msg *); +void pr_family(int); +void p_encap(struct sockaddr *, struct sockaddr *, int); +void p_protocol(struct sadb_protocol *, struct sockaddr *, struct + sadb_protocol *, int); +void p_sockaddr(struct sockaddr *, struct sockaddr *, int, int); +void p_flags(int, char *); +char *routename4(in_addr_t); +char *routename6(struct sockaddr_in6 *); +void index_pfk(struct sadb_msg *, void **); + +/* + * Print routing tables. + */ +void +p_rttables(int af) +{ + struct rt_msghdr *rtm; + struct sadb_msg *msg; + char *buf = NULL, *next, *lim = NULL; + size_t needed; + int mib[6]; + struct sockaddr *sa; + + mib[0] = CTL_NET; + mib[1] = PF_ROUTE; + mib[2] = 0; + mib[3] = af; + mib[4] = NET_RT_DUMP; + mib[5] = 0; + if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0) + err(1, "route-sysctl-estimate"); + if (needed > 0) { + if ((buf = malloc(needed)) == 0) + err(1, NULL); + if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0) + err(1, "sysctl of routing table"); + lim = buf + needed; + } + + printf("Routing tables\n"); + + if (buf) { + for (next = buf; next < lim; next += rtm->rtm_msglen) { + rtm = (struct rt_msghdr *)next; + sa = (struct sockaddr *)(rtm + 1); + if (af != AF_UNSPEC && sa->sa_family != af) + continue; + p_rtentry(rtm); + } + free(buf); + buf = NULL; + } + + if (af != 0 && af != PF_KEY) + return; + + mib[0] = CTL_NET; + mib[1] = PF_KEY; + mib[2] = PF_KEY_V2; + mib[3] = NET_KEY_SPD_DUMP; + mib[4] = mib[5] = 0; + + if (sysctl(mib, 4, NULL, &needed, NULL, 0) == -1) { + if (errno == ENOPROTOOPT) + return; + err(1, "spd-sysctl-estimate"); + } + if (needed > 0) { + if ((buf = malloc(needed)) == 0) + err(1, NULL); + if (sysctl(mib, 4, buf, &needed, NULL, 0) == -1) + err(1,"sysctl of spd"); + lim = buf + needed; + } + + if (buf) { + printf("\nEncap:\n"); + + for (next = buf; next < lim; next += msg->sadb_msg_len * + PFKEYV2_CHUNK) { + msg = (struct sadb_msg *)next; + if (msg->sadb_msg_len == 0) + break; + p_pfkentry(msg); + } + free(buf); + buf = NULL; + } +} + +/* + * column widths; each followed by one space + * width of destination/gateway column + * strlen("fe80::aaaa:bbbb:cccc:dddd@gif0") == 30, strlen("/128") == 4 + */ +#define WID_DST(af) ((af) == AF_INET6 ? (nflag ? 34 : 18) : 18) +#define WID_GW(af) ((af) == AF_INET6 ? (nflag ? 30 : 18) : 18) + +/* + * Print header for routing table columns. + */ +void +pr_rthdr(int af, int Aflag) +{ + if (Aflag) + printf("%-*.*s ", PLEN, PLEN, "Address"); + if (af != PF_KEY) + printf("%-*.*s %-*.*s %-6.6s %6.6s %8.8s %6.6s %s\n", + WID_DST(af), WID_DST(af), "Destination", + WID_GW(af), WID_GW(af), "Gateway", + "Flags", "Refs", "Use", "Mtu", "Interface"); + else + printf("%-18s %-5s %-18s %-5s %-5s %-22s\n", + "Source", "Port", "Destination", + "Port", "Proto", "SA(Address/Proto/Type/Direction)"); +} + +static void +get_rtaddrs(int addrs, struct sockaddr *sa, struct sockaddr **rti_info) +{ + int i; + + for (i = 0; i < RTAX_MAX; i++) { + if (addrs & (1 << i)) { + rti_info[i] = sa; + sa = (struct sockaddr *)((char *)(sa) + + ROUNDUP(sa->sa_len)); + } else + rti_info[i] = NULL; + } +} + +/* + * Print a routing table entry. + */ +void +p_rtentry(struct rt_msghdr *rtm) +{ + static int old_af = -1; + struct sockaddr *sa = (struct sockaddr *)(rtm + 1); + struct sockaddr *mask, *rti_info[RTAX_MAX]; + char ifbuf[IF_NAMESIZE]; + + + if (sa->sa_family == AF_KEY) + return; + + if (old_af != sa->sa_family) { + old_af = sa->sa_family; + pr_family(sa->sa_family); + pr_rthdr(sa->sa_family, 0); + } + get_rtaddrs(rtm->rtm_addrs, sa, rti_info); + + mask = rti_info[RTAX_NETMASK]; + if ((sa = rti_info[RTAX_DST]) == NULL) + return; + + p_sockaddr(sa, mask, rtm->rtm_flags, WID_DST(sa->sa_family)); + p_sockaddr(rti_info[RTAX_GATEWAY], NULL, RTF_HOST, + WID_GW(sa->sa_family)); + p_flags(rtm->rtm_flags, "%-6.6s "); + printf("%6d %8ld ", (int)rtm->rtm_rmx.rmx_refcnt, + rtm->rtm_rmx.rmx_pksent); + if (rtm->rtm_rmx.rmx_mtu) + printf("%6ld ", rtm->rtm_rmx.rmx_mtu); + else + printf("%6s ", "-"); + putchar((rtm->rtm_rmx.rmx_locks & RTV_MTU) ? 'L' : ' '); + printf(" %.16s", if_indextoname(rtm->rtm_index, ifbuf)); + putchar('\n'); +} + +/* + * Print a pfkey/encap entry. + */ +void +p_pfkentry(struct sadb_msg *msg) +{ + static int old = 0; + struct sadb_ext *ext; + struct sadb_address *saddr; + struct sadb_protocol *sap, *saft; + struct sockaddr *sa, *mask; + void *headers[SADB_EXT_MAX + 1]; + + if (!old) { + pr_rthdr(PF_KEY, 0); + old++; + } + + bzero(headers, sizeof(headers)); + index_pfk(msg, headers); + + /* These are always set */ + saddr = headers[SADB_X_EXT_SRC_FLOW]; + sa = (struct sockaddr *)(saddr + 1); + saddr = headers[SADB_X_EXT_SRC_MASK]; + mask = (struct sockaddr *)(saddr + 1); + p_encap(sa, mask, WID_DST(sa->sa_family)); + + /* These are always set, too. */ + saddr = headers[SADB_X_EXT_DST_FLOW]; + sa = (struct sockaddr *)(saddr + 1); + saddr = headers[SADB_X_EXT_DST_MASK]; + mask = (struct sockaddr *)(saddr + 1); + p_encap(sa, mask, WID_DST(sa->sa_family)); + + /* Bypass and deny flows do not set SADB_EXT_ADDRESS_DST! */ + sap = headers[SADB_X_EXT_PROTOCOL]; + saft = headers[SADB_X_EXT_FLOW_TYPE]; + saddr = headers[SADB_EXT_ADDRESS_DST]; + if (saddr) + sa = (struct sockaddr *)(saddr + 1); + else + sa = NULL; + p_protocol(sap, sa, saft, msg->sadb_msg_satype); + + printf("\n"); +} + +/* + * Print address family header before a section of the routing table. + */ +void +pr_family(int af) +{ + char *afname; + + switch (af) { + case AF_INET: + afname = "Internet"; + break; + case AF_INET6: + afname = "Internet6"; + break; + case AF_IPX: + afname = "IPX"; + break; + case PF_KEY: + afname = "Encap"; + break; + case AF_APPLETALK: + afname = "AppleTalk"; + break; + default: + afname = NULL; + break; + } + if (afname) + printf("\n%s:\n", afname); + else + printf("\nProtocol Family %d:\n", af); +} + +void +p_addr(struct sockaddr *sa, struct sockaddr *mask, int flags) +{ + p_sockaddr(sa, mask, flags, WID_DST(sa->sa_family)); +} + +void +p_gwaddr(struct sockaddr *sa, int af) +{ + p_sockaddr(sa, 0, RTF_HOST, WID_GW(af)); +} + +void +p_encap(struct sockaddr *sa, struct sockaddr *mask, int width) +{ + char *cp; + unsigned short port; + + switch (sa->sa_family) { + case AF_INET6: { + break; + } + default: + if (mask) + cp = netname(sa, mask); + else + cp = routename(sa); + port = ntohs(((struct sockaddr_in *)sa)->sin_port); + break; + } + if (width < 0) + printf("%s", cp); + else { + if (nflag) + printf("%-*s %-5u ", width, cp, port); + else + printf("%-*.*s %-5u ", width, width, cp, port); + } +} + +void +p_protocol(struct sadb_protocol *sap, struct sockaddr *sa, struct sadb_protocol + *saft, int proto) +{ + printf("%-6u", sap->sadb_protocol_proto); + if (sa) + p_sockaddr(sa, NULL, 0, -1); + else + printf("none"); + + switch (proto) { + case SADB_SATYPE_ESP: + printf("/esp"); + break; + case SADB_SATYPE_AH: + printf("/ah"); + break; + case SADB_X_SATYPE_IPCOMP: + printf("/ipcomp"); + break; + case SADB_X_SATYPE_IPIP: + printf("/ipip"); + break; + default: + printf("/<unknown>"); + } + + switch(saft->sadb_protocol_proto) { + case SADB_X_FLOW_TYPE_USE: + printf("/use"); + break; + case SADB_X_FLOW_TYPE_REQUIRE: + printf("/require"); + break; + case SADB_X_FLOW_TYPE_ACQUIRE: + printf("/acquire"); + break; + case SADB_X_FLOW_TYPE_DENY: + printf("/deny"); + break; + case SADB_X_FLOW_TYPE_BYPASS: + printf("/bypass"); + break; + case SADB_X_FLOW_TYPE_DONTACQ: + printf("/dontacq"); + break; + default: + printf("/<unknown type>"); + } + + switch(saft->sadb_protocol_direction) { + case IPSP_DIRECTION_IN: + printf("/in"); + break; + case IPSP_DIRECTION_OUT: + printf("/out"); + break; + default: + printf("/<unknown>"); + } +} + +void +p_sockaddr(struct sockaddr *sa, struct sockaddr *mask, int flags, int width) +{ + char *cp; + + switch (sa->sa_family) { + case AF_INET6: + { + struct sockaddr_in6 *sa6 = (struct sockaddr_in6 *)sa; + struct in6_addr *in6 = &sa6->sin6_addr; + + /* + * XXX: This is a special workaround for KAME kernels. + * sin6_scope_id field of SA should be set in the future. + */ + if (IN6_IS_ADDR_LINKLOCAL(in6) || + IN6_IS_ADDR_MC_LINKLOCAL(in6)) { + /* XXX: override is ok? */ + sa6->sin6_scope_id = (u_int32_t)ntohs(*(u_short *) + &in6->s6_addr[2]); + *(u_short *)&in6->s6_addr[2] = 0; + } + if (flags & RTF_HOST) + cp = routename((struct sockaddr *)sa6); + else + cp = netname((struct sockaddr *)sa6, mask); + break; + } + default: + if ((flags & RTF_HOST) || mask == NULL) + cp = routename(sa); + else + cp = netname(sa, mask); + break; + } + if (width < 0) + printf("%s", cp); + else { + if (nflag) + printf("%-*s ", width, cp); + else + printf("%-*.*s ", width, width, cp); + } +} + +void +p_flags(int f, char *format) +{ + char name[33], *flags; + const struct bits *p = bits; + + for (flags = name; p->b_mask && flags < &name[sizeof(name) - 2]; p++) + if (p->b_mask & f) + *flags++ = p->b_val; + *flags = '\0'; + printf(format, name); +} + +static char line[MAXHOSTNAMELEN]; +static char domain[MAXHOSTNAMELEN]; + +char * +routename(struct sockaddr *sa) +{ + char *cp = NULL; + static int first = 1; + + if (first) { + first = 0; + if (gethostname(domain, sizeof(domain)) == 0 && + (cp = strchr(domain, '.'))) + (void)strlcpy(domain, cp + 1, sizeof(domain)); + else + domain[0] = '\0'; + cp = NULL; + } + + if (sa->sa_len == 0) { + (void)strlcpy(line, "default", sizeof(line)); + return (line); + } + + switch (sa->sa_family) { + case AF_INET: + return + (routename4(((struct sockaddr_in *)sa)->sin_addr.s_addr)); + + case AF_INET6: + { + struct sockaddr_in6 sin6; + + memset(&sin6, 0, sizeof(sin6)); + memcpy(&sin6, sa, sa->sa_len); + sin6.sin6_len = sizeof(struct sockaddr_in6); + sin6.sin6_family = AF_INET6; + if (sa->sa_len == sizeof(struct sockaddr_in6) && + (IN6_IS_ADDR_LINKLOCAL(&sin6.sin6_addr) || + IN6_IS_ADDR_MC_LINKLOCAL(&sin6.sin6_addr)) && + sin6.sin6_scope_id == 0) { + sin6.sin6_scope_id = + ntohs(*(u_int16_t *)&sin6.sin6_addr.s6_addr[2]); + sin6.sin6_addr.s6_addr[2] = 0; + sin6.sin6_addr.s6_addr[3] = 0; + } + return (routename6(&sin6)); + } + + case AF_IPX: + return (ipx_print(sa)); + + case AF_LINK: + return (link_print(sa)); + + case AF_UNSPEC: + if (sa->sa_len == sizeof(struct sockaddr_rtlabel)) { + static char name[RTLABEL_LEN]; + struct sockaddr_rtlabel *sr; + + sr = (struct sockaddr_rtlabel *)sa; + strlcpy(name, sr->sr_label, sizeof(name)); + return (name); + } + /* FALLTHROUGH */ + default: + (void)snprintf(line, sizeof(line), "(%d) %s", + sa->sa_family, any_ntoa(sa)); + break; + } + return (line); +} + +char * +routename4(in_addr_t in) +{ + char *cp = NULL; + struct in_addr ina; + struct hostent *hp; + + if (in == INADDR_ANY) + cp = "default"; + if (!cp && !nflag) { + if ((hp = gethostbyaddr((char *)&in, + sizeof(in), AF_INET)) != NULL) { + if ((cp = strchr(hp->h_name, '.')) && + !strcmp(cp + 1, domain)) + *cp = '\0'; + cp = hp->h_name; + } + } + ina.s_addr = in; + strlcpy(line, cp ? cp : inet_ntoa(ina), sizeof(line)); + + return (line); +} + +char * +routename6(struct sockaddr_in6 *sin6) +{ + int niflags = 0; + + if (nflag) + niflags |= NI_NUMERICHOST; + else + niflags |= NI_NOFQDN; + + if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, + line, sizeof(line), NULL, 0, niflags) != 0) + strncpy(line, "invalid", sizeof(line)); + + return (line); +} + +/* + * Return the name of the network whose address is given. + * The address is assumed to be that of a net or subnet, not a host. + */ +char * +netname4(in_addr_t in, in_addr_t mask) +{ + char *cp = NULL; + struct netent *np = NULL; + int mbits; + + in = ntohl(in); + mask = ntohl(mask); + if (!nflag && in != INADDR_ANY) { + if ((np = getnetbyaddr(in, AF_INET)) != NULL) + cp = np->n_name; + } + if (in == INADDR_ANY) + cp = "default"; + mbits = mask ? 33 - ffs(mask) : 0; + if (cp) + strlcpy(line, cp, sizeof(line)); +#define C(x) ((x) & 0xff) + else if (mbits < 9) + snprintf(line, sizeof(line), "%u/%d", C(in >> 24), mbits); + else if (mbits < 17) + snprintf(line, sizeof(line), "%u.%u/%d", + C(in >> 24) , C(in >> 16), mbits); + else if (mbits < 25) + snprintf(line, sizeof(line), "%u.%u.%u/%d", + C(in >> 24), C(in >> 16), C(in >> 8), mbits); + else + snprintf(line, sizeof(line), "%u.%u.%u.%u/%d", C(in >> 24), + C(in >> 16), C(in >> 8), C(in), mbits); +#undef C + return (line); +} + +char * +netname6(struct sockaddr_in6 *sa6, struct sockaddr_in6 *mask) +{ + struct sockaddr_in6 sin6; + u_char *p; + int masklen, final = 0, illegal = 0; + int i, lim, flag, error; + char hbuf[NI_MAXHOST]; + + sin6 = *sa6; + + flag = 0; + masklen = 0; + if (mask) { + lim = mask->sin6_len - offsetof(struct sockaddr_in6, sin6_addr); + lim = lim < sizeof(struct in6_addr) ? + lim : sizeof(struct in6_addr); + for (p = (u_char *)&mask->sin6_addr, i = 0; i < lim; p++) { + if (final && *p) { + illegal++; + sin6.sin6_addr.s6_addr[i++] = 0x00; + continue; + } + + switch (*p & 0xff) { + case 0xff: + masklen += 8; + break; + case 0xfe: + masklen += 7; + final++; + break; + case 0xfc: + masklen += 6; + final++; + break; + case 0xf8: + masklen += 5; + final++; + break; + case 0xf0: + masklen += 4; + final++; + break; + case 0xe0: + masklen += 3; + final++; + break; + case 0xc0: + masklen += 2; + final++; + break; + case 0x80: + masklen += 1; + final++; + break; + case 0x00: + final++; + break; + default: + final++; + illegal++; + break; + } + + if (!illegal) + sin6.sin6_addr.s6_addr[i++] &= *p; + else + sin6.sin6_addr.s6_addr[i++] = 0x00; + } + while (i < sizeof(struct in6_addr)) + sin6.sin6_addr.s6_addr[i++] = 0x00; + } else + masklen = 128; + + if (masklen == 0 && IN6_IS_ADDR_UNSPECIFIED(&sin6.sin6_addr)) + return ("default"); + + if (illegal) + warnx("illegal prefixlen"); + + if (nflag) + flag |= NI_NUMERICHOST; + error = getnameinfo((struct sockaddr *)&sin6, sin6.sin6_len, + hbuf, sizeof(hbuf), NULL, 0, flag); + if (error) + snprintf(hbuf, sizeof(hbuf), "invalid"); + + snprintf(line, sizeof(line), "%s/%d", hbuf, masklen); + return (line); +} + +/* + * Return the name of the network whose address is given. + * The address is assumed to be that of a net or subnet, not a host. + */ +char * +netname(struct sockaddr *sa, struct sockaddr *mask) +{ + switch (sa->sa_family) { + + case AF_INET: + return netname4(((struct sockaddr_in *)sa)->sin_addr.s_addr, + ((struct sockaddr_in *)mask)->sin_addr.s_addr); + case AF_INET6: + return netname6((struct sockaddr_in6 *)sa, + (struct sockaddr_in6 *)mask); + case AF_IPX: + return (ipx_print(sa)); + case AF_LINK: + return (link_print(sa)); + default: + snprintf(line, sizeof(line), "af %d: %s", + sa->sa_family, any_ntoa(sa)); + break; + } + return (line); +} + +static const char hexlist[] = "0123456789abcdef"; + +char * +any_ntoa(const struct sockaddr *sa) +{ + static char obuf[240]; + const char *in = sa->sa_data; + char *out = obuf; + int len = sa->sa_len - offsetof(struct sockaddr, sa_data); + + *out++ = 'Q'; + do { + *out++ = hexlist[(*in >> 4) & 15]; + *out++ = hexlist[(*in++) & 15]; + *out++ = '.'; + } while (--len > 0 && (out + 3) < &obuf[sizeof(obuf) - 1]); + out[-1] = '\0'; + return (obuf); +} + +short ipx_nullh[] = {0,0,0}; +short ipx_bh[] = {-1,-1,-1}; + +char * +ipx_print(struct sockaddr *sa) +{ + struct sockaddr_ipx *sipx = (struct sockaddr_ipx *)sa; + struct ipx_addr work; + union { + union ipx_net net_e; + u_int32_t long_e; + } net; + u_short port; + static char mybuf[50+MAXHOSTNAMELEN], cport[10], chost[25]; + char *host = ""; + char *p; + u_char *q; + + work = sipx->sipx_addr; + port = ntohs(work.ipx_port); + work.ipx_port = 0; + net.net_e = work.ipx_net; + if (ipx_nullhost(work) && net.long_e == 0) { + if (!port) + return ("*.*"); + (void)snprintf(mybuf, sizeof(mybuf), "*.0x%XH", port); + return (mybuf); + } + + if (memcmp(ipx_bh, work.ipx_host.c_host, 6) == 0) + host = "any"; + else if (memcmp(ipx_nullh, work.ipx_host.c_host, 6) == 0) + host = "*"; + else { + q = work.ipx_host.c_host; + (void)snprintf(chost, sizeof(chost), "%02X%02X%02X%02X%02X%02XH", + q[0], q[1], q[2], q[3], q[4], q[5]); + for (p = chost; *p == '0' && p < chost + 12; p++) + /* void */; + host = p; + } + if (port) + (void)snprintf(cport, sizeof(cport), ".%XH", htons(port)); + else + *cport = '\0'; + + (void)snprintf(mybuf, sizeof(mybuf), "%XH.%s%s", + ntohl(net.long_e), host, cport); + return (mybuf); +} + +char * +link_print(struct sockaddr *sa) +{ + struct sockaddr_dl *sdl = (struct sockaddr_dl *)sa; + u_char *lla = (u_char *)sdl->sdl_data + sdl->sdl_nlen; + + if (sdl->sdl_nlen == 0 && sdl->sdl_alen == 0 && + sdl->sdl_slen == 0) { + (void)snprintf(line, sizeof(line), "link#%d", sdl->sdl_index); + return (line); + } + switch (sdl->sdl_type) { + case IFT_ETHER: + case IFT_CARP: + return (ether_ntoa((struct ether_addr *)lla)); + default: + return (link_ntoa(sdl)); + } +} + +void +index_pfk(struct sadb_msg *msg, void **headers) +{ + struct sadb_ext *ext; + + for (ext = (struct sadb_ext *)(msg + 1); + (size_t)((u_int8_t *)ext - (u_int8_t *)msg) < + msg->sadb_msg_len * PFKEYV2_CHUNK && ext->sadb_ext_len > 0; + ext = (struct sadb_ext *)((u_int8_t *)ext + + ext->sadb_ext_len * PFKEYV2_CHUNK)) { + switch (ext->sadb_ext_type) { + case SADB_EXT_ADDRESS_SRC: + headers[SADB_EXT_ADDRESS_SRC] = (void *)ext; + break; + case SADB_EXT_ADDRESS_DST: + headers[SADB_EXT_ADDRESS_DST] = (void *)ext; + break; + case SADB_X_EXT_PROTOCOL: + headers[SADB_X_EXT_PROTOCOL] = (void *)ext; + break; + case SADB_X_EXT_SRC_FLOW: + headers[SADB_X_EXT_SRC_FLOW] = (void *)ext; + break; + case SADB_X_EXT_DST_FLOW: + headers[SADB_X_EXT_DST_FLOW] = (void *)ext; + break; + case SADB_X_EXT_SRC_MASK: + headers[SADB_X_EXT_SRC_MASK] = (void *)ext; + break; + case SADB_X_EXT_DST_MASK: + headers[SADB_X_EXT_DST_MASK] = (void *)ext; + break; + case SADB_X_EXT_FLOW_TYPE: + headers[SADB_X_EXT_FLOW_TYPE] = (void *)ext; + default: + /* Ignore. */ + break; + } + } +} |