Index: head/usr.bin/netstat/if.c =================================================================== --- head/usr.bin/netstat/if.c (revision 10973) +++ head/usr.bin/netstat/if.c (revision 10974) @@ -1,417 +1,415 @@ /* * 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. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. 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. */ #ifndef lint static char sccsid[] = "@(#)if.c 8.2 (Berkeley) 2/21/94"; #endif /* not lint */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "netstat.h" #define YES 1 #define NO 0 static void sidewaysintpr __P((u_int, u_long)); static void catchalarm __P((int)); /* * Print a description of the network interfaces. */ void intpr(interval, ifnetaddr) int interval; u_long ifnetaddr; { struct ifnet ifnet; union { struct ifaddr ifa; struct in_ifaddr in; struct ns_ifaddr ns; struct iso_ifaddr iso; } ifaddr; u_long ifaddraddr; struct sockaddr *sa; - char name[16]; + char name[32], tname[16]; if (ifnetaddr == 0) { printf("ifnet: symbol not defined\n"); return; } if (interval) { sidewaysintpr((unsigned)interval, ifnetaddr); return; } if (kread(ifnetaddr, (char *)&ifnetaddr, sizeof ifnetaddr)) return; printf("%-5.5s %-5.5s %-11.11s %-15.15s %8.8s %5.5s", "Name", "Mtu", "Network", "Address", "Ipkts", "Ierrs"); if (bflag) printf(" %10.10s","Ibytes"); printf(" %8.8s %5.5s", "Opkts", "Oerrs"); if (bflag) printf(" %10.10s","Obytes"); printf(" %5s", "Coll"); if (tflag) printf(" %s", "Time"); if (dflag) printf(" %s", "Drop"); putchar('\n'); ifaddraddr = 0; while (ifnetaddr || ifaddraddr) { struct sockaddr_in *sin; register char *cp; int n, m; if (ifaddraddr == 0) { if (kread(ifnetaddr, (char *)&ifnet, sizeof ifnet) || - kread((u_long)ifnet.if_name, name, 16)) + kread((u_long)ifnet.if_name, tname, 16)) return; - name[15] = '\0'; + tname[15] = '\0'; ifnetaddr = (u_long)ifnet.if_next; - if (interface != 0 && (strcmp(name, interface) != 0 || - unit != ifnet.if_unit)) + snprintf(name, 32, "%s%d", tname, ifnet.if_unit); + if (interface != 0 && (strcmp(name, interface) != 0)) continue; cp = index(name, '\0'); - cp += sprintf(cp, "%d", ifnet.if_unit); if ((ifnet.if_flags&IFF_UP) == 0) *cp++ = '*'; *cp = '\0'; ifaddraddr = (u_long)ifnet.if_addrlist; } printf("%-5.5s %-5d ", name, ifnet.if_mtu); if (ifaddraddr == 0) { printf("%-11.11s ", "none"); printf("%-15.15s ", "none"); } else { if (kread(ifaddraddr, (char *)&ifaddr, sizeof ifaddr)) { ifaddraddr = 0; continue; } #define CP(x) ((char *)(x)) cp = (CP(ifaddr.ifa.ifa_addr) - CP(ifaddraddr)) + CP(&ifaddr); sa = (struct sockaddr *)cp; switch (sa->sa_family) { case AF_UNSPEC: printf("%-11.11s ", "none"); printf("%-15.15s ", "none"); break; case AF_INET: sin = (struct sockaddr_in *)sa; #ifdef notdef /* can't use inet_makeaddr because kernel * keeps nets unshifted. */ in = inet_makeaddr(ifaddr.in.ia_subnet, INADDR_ANY); printf("%-11.11s ", netname(in.s_addr, ifaddr.in.ia_subnetmask)); #else printf("%-11.11s ", netname(htonl(ifaddr.in.ia_subnet), ifaddr.in.ia_subnetmask)); #endif printf("%-15.15s ", routename(sin->sin_addr.s_addr)); break; case AF_NS: { struct sockaddr_ns *sns = (struct sockaddr_ns *)sa; u_long net; char netnum[8]; *(union ns_net *) &net = sns->sns_addr.x_net; - sprintf(netnum, "%lxH", ntohl(net)); + sprintf(netnum, "%lxH", ntohl(net)); upHex(netnum); printf("ns:%-8s ", netnum); printf("%-15s ", ns_phost((struct sockaddr *)sns)); } break; case AF_LINK: { struct sockaddr_dl *sdl = (struct sockaddr_dl *)sa; cp = (char *)LLADDR(sdl); n = sdl->sdl_alen; } m = printf(""); goto hexprint; default: m = printf("(%d)", sa->sa_family); for (cp = sa->sa_len + (char *)sa; --cp > sa->sa_data && (*cp == 0);) {} n = cp - sa->sa_data + 1; cp = sa->sa_data; hexprint: while (--n >= 0) m += printf("%02x%c", *cp++ & 0xff, n > 0 ? '.' : ' '); m = 28 - m; while (m-- > 0) putchar(' '); break; } ifaddraddr = (u_long)ifaddr.ifa.ifa_next; } printf("%8d %5d ", ifnet.if_ipackets, ifnet.if_ierrors); if (bflag) printf("%10d ", ifnet.if_ibytes); printf("%8d %5d ", ifnet.if_opackets, ifnet.if_oerrors); if (bflag) printf("%10d ", ifnet.if_obytes); printf("%5d", ifnet.if_collisions); if (tflag) printf(" %3d", ifnet.if_timer); if (dflag) printf(" %3d", ifnet.if_snd.ifq_drops); putchar('\n'); } } #define MAXIF 10 struct iftot { char ift_name[16]; /* interface name */ u_int ift_ip; /* input packets */ u_int ift_ie; /* input errors */ u_int ift_op; /* output packets */ u_int ift_oe; /* output errors */ u_int ift_co; /* collisions */ u_int ift_dr; /* drops */ u_int ift_ib; /* input bytes */ u_int ift_ob; /* output bytes */ } iftot[MAXIF]; u_char signalled; /* set if alarm goes off "early" */ /* * Print a running summary of interface statistics. * Repeat display every interval seconds, showing statistics * collected over that interval. Assumes that interval is non-zero. * First line printed at top of screen is always cumulative. */ static void sidewaysintpr(interval, off) unsigned interval; u_long off; { struct ifnet ifnet; u_long firstifnet; register struct iftot *ip, *total; register int line; struct iftot *lastif, *sum, *interesting; int oldmask; if (kread(off, (char *)&firstifnet, sizeof (u_long))) return; lastif = iftot; sum = iftot + MAXIF - 1; total = sum - 1; interesting = iftot; for (off = firstifnet, ip = iftot; off;) { char *cp; + char name[16], tname[16]; if (kread(off, (char *)&ifnet, sizeof ifnet)) break; - ip->ift_name[0] = '('; - if (kread((u_long)ifnet.if_name, ip->ift_name + 1, 15)) + if (kread((u_long)ifnet.if_name, tname, 16)) break; - if (interface && strcmp(ip->ift_name + 1, interface) == 0 && - unit == ifnet.if_unit) + tname[15] = '\0'; + snprintf(name, 16, "%s%d", tname, ifnet.if_unit); + if (interface && strcmp(name, interface) == 0) interesting = ip; - ip->ift_name[15] = '\0'; - cp = index(ip->ift_name, '\0'); - sprintf(cp, "%d)", ifnet.if_unit); + snprintf(ip->ift_name, 16, "(%s)", name);; ip++; if (ip >= iftot + MAXIF - 2) break; off = (u_long) ifnet.if_next; } lastif = ip; (void)signal(SIGALRM, catchalarm); signalled = NO; (void)alarm(interval); banner: printf(" input %s%-6.6s %soutput ", bflag ? " " : "", interesting->ift_name, bflag ? " " : ""); if (lastif - iftot > 0) { if (dflag) printf(" "); printf(" input %s(Total) %soutput", bflag ? " " : "", bflag ? " " : ""); } for (ip = iftot; ip < iftot + MAXIF; ip++) { ip->ift_ip = 0; ip->ift_ie = 0; ip->ift_op = 0; ip->ift_oe = 0; ip->ift_co = 0; ip->ift_dr = 0; ip->ift_ib = 0; ip->ift_ob = 0; } putchar('\n'); printf("%8.8s %5.5s ", "packets", "errs"); if (bflag) printf("%10.10s ","bytes"); printf("%8.8s %5.5s ", "packets", "errs"); if (bflag) printf("%10.10s ","bytes"); printf("%5.5s ", "colls"); if (dflag) printf("%5.5s ", "drops"); if (lastif - iftot > 0) { printf(" %8.8s %5.5s", "packets", "errs"); if (bflag) printf(" %10.10s", "bytes"); printf(" %8.8s %5.5s", "packets", "errs"); if (bflag) printf(" %10.10s", "bytes"); printf(" %5.5s", "colls"); if (dflag) printf(" %5.5s", "drops"); } putchar('\n'); fflush(stdout); line = 0; loop: sum->ift_ip = 0; sum->ift_ie = 0; sum->ift_op = 0; sum->ift_oe = 0; sum->ift_co = 0; sum->ift_dr = 0; sum->ift_ib = 0; sum->ift_ob = 0; for (off = firstifnet, ip = iftot; off && ip < lastif; ip++) { if (kread(off, (char *)&ifnet, sizeof ifnet)) { off = 0; continue; } if (ip == interesting) { printf("%8u %5u ", ifnet.if_ipackets - ip->ift_ip, ifnet.if_ierrors - ip->ift_ie); if (bflag) printf("%10u ", ifnet.if_ibytes - ip->ift_ib); printf("%8u %5u ", ifnet.if_opackets - ip->ift_op, ifnet.if_oerrors - ip->ift_oe); if (bflag) printf("%10u ", ifnet.if_obytes - ip->ift_ob); printf("%5u", ifnet.if_collisions - ip->ift_co); if (dflag) printf(" %5u", ifnet.if_snd.ifq_drops - ip->ift_dr); } ip->ift_ip = ifnet.if_ipackets; ip->ift_ie = ifnet.if_ierrors; ip->ift_op = ifnet.if_opackets; ip->ift_oe = ifnet.if_oerrors; ip->ift_co = ifnet.if_collisions; ip->ift_dr = ifnet.if_snd.ifq_drops; ip->ift_ib = ifnet.if_ibytes; ip->ift_ob = ifnet.if_obytes; sum->ift_ip += ip->ift_ip; sum->ift_ie += ip->ift_ie; sum->ift_op += ip->ift_op; sum->ift_oe += ip->ift_oe; sum->ift_co += ip->ift_co; sum->ift_dr += ip->ift_dr; sum->ift_ib += ip->ift_ib; sum->ift_ob += ip->ift_ob; off = (u_long) ifnet.if_next; } if (lastif - iftot > 0) { printf(" %8u %5u", sum->ift_ip - total->ift_ip, sum->ift_ie - total->ift_ie); if (bflag) printf(" %10u", sum->ift_ib - total->ift_ib); printf(" %8u %5u", sum->ift_op - total->ift_op, sum->ift_oe - total->ift_oe); if (bflag) printf(" %10u", sum->ift_ob - total->ift_ob); printf(" %5u", sum->ift_co - total->ift_co); if (dflag) printf(" %5u", sum->ift_dr - total->ift_dr); } *total = *sum; putchar('\n'); fflush(stdout); line++; oldmask = sigblock(sigmask(SIGALRM)); if (! signalled) { sigpause(0); } sigsetmask(oldmask); signalled = NO; (void)alarm(interval); if (line == 21) goto banner; goto loop; /*NOTREACHED*/ } /* * Called if an interval expires before sidewaysintpr has completed a loop. * Sets a flag to not wait for the alarm. */ static void catchalarm(signo) int signo; { signalled = YES; } Index: head/usr.bin/netstat/main.c =================================================================== --- head/usr.bin/netstat/main.c (revision 10973) +++ head/usr.bin/netstat/main.c (revision 10974) @@ -1,513 +1,512 @@ /* * Copyright (c) 1983, 1988, 1993 * 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. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. 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. */ #ifndef lint char copyright[] = "@(#) Copyright (c) 1983, 1988, 1993\n\ Regents of the University of California. All rights reserved.\n"; #endif /* not lint */ #ifndef lint static char sccsid[] = "@(#)main.c 8.4 (Berkeley) 3/1/94"; #endif /* not lint */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "netstat.h" struct nlist nl[] = { #define N_MBSTAT 0 { "_mbstat" }, #define N_IPSTAT 1 { "_ipstat" }, #define N_TCB 2 { "_tcb" }, #define N_TCPSTAT 3 { "_tcpstat" }, #define N_UDB 4 { "_udb" }, #define N_UDPSTAT 5 { "_udpstat" }, #define N_IFNET 6 { "_ifnet" }, #define N_IMP 7 { "_imp_softc" }, #define N_ICMPSTAT 8 { "_icmpstat" }, #define N_RTSTAT 9 { "_rtstat" }, #define N_UNIXSW 10 { "_unixsw" }, #define N_IDP 11 { "_nspcb"}, #define N_IDPSTAT 12 { "_idpstat"}, #define N_SPPSTAT 13 { "_spp_istat"}, #define N_NSERR 14 { "_ns_errstat"}, #define N_CLNPSTAT 15 { "_clnp_stat"}, #define IN_NOTUSED 16 { "_tp_inpcb" }, #define ISO_TP 17 { "_tp_refinfo" }, #define N_TPSTAT 18 { "_tp_stat" }, #define N_ESISSTAT 19 { "_esis_stat"}, #define N_NIMP 20 { "_nimp"}, #define N_RTREE 21 { "_rt_tables"}, #define N_CLTP 22 { "_cltb"}, #define N_CLTPSTAT 23 { "_cltpstat"}, #define N_NFILE 24 { "_nfile" }, #define N_FILE 25 { "_file" }, #define N_IGMPSTAT 26 { "_igmpstat" }, #define N_MRTPROTO 27 { "_ip_mrtproto" }, #define N_MRTSTAT 28 { "_mrtstat" }, #define N_MFCTABLE 29 { "_mfctable" }, #define N_VIFTABLE 30 { "_viftable" }, "", }; struct protox { u_char pr_index; /* index into nlist of cb head */ u_char pr_sindex; /* index into nlist of stat block */ u_char pr_wanted; /* 1 if wanted, 0 otherwise */ void (*pr_cblocks)(); /* control blocks printing routine */ void (*pr_stats)(); /* statistics printing routine */ char *pr_name; /* well-known name */ } protox[] = { { N_TCB, N_TCPSTAT, 1, protopr, tcp_stats, "tcp" }, { N_UDB, N_UDPSTAT, 1, protopr, udp_stats, "udp" }, { -1, N_IPSTAT, 1, 0, ip_stats, "ip" }, { -1, N_ICMPSTAT, 1, 0, icmp_stats, "icmp" }, { -1, N_IGMPSTAT, 1, 0, igmp_stats, "igmp" }, { -1, -1, 0, 0, 0, 0 } }; struct protox nsprotox[] = { { N_IDP, N_IDPSTAT, 1, nsprotopr, idp_stats, "idp" }, { N_IDP, N_SPPSTAT, 1, nsprotopr, spp_stats, "spp" }, { -1, N_NSERR, 1, 0, nserr_stats, "ns_err" }, { -1, -1, 0, 0, 0, 0 } }; struct protox isoprotox[] = { { ISO_TP, N_TPSTAT, 1, iso_protopr, tp_stats, "tp" }, { N_CLTP, N_CLTPSTAT, 1, iso_protopr, cltp_stats, "cltp" }, { -1, N_CLNPSTAT, 1, 0, clnp_stats, "clnp"}, { -1, N_ESISSTAT, 1, 0, esis_stats, "esis"}, { -1, -1, 0, 0, 0, 0 } }; struct protox *protoprotox[] = { protox, nsprotox, isoprotox, NULL }; static void printproto __P((struct protox *, char *)); static void usage __P((void)); static struct protox *name2protox __P((char *)); static struct protox *knownname __P((char *)); kvm_t *kvmd; int main(argc, argv) int argc; char *argv[]; { extern char *optarg; extern int optind; register struct protoent *p; register struct protox *tp; /* for printing cblocks & stats */ register char *cp; int ch; char *nlistf = NULL, *memf = NULL; char buf[_POSIX2_LINE_MAX]; char buf2[_POSIX2_LINE_MAX]; if (cp = rindex(argv[0], '/')) prog = cp + 1; else prog = argv[0]; af = AF_UNSPEC; while ((ch = getopt(argc, argv, "Aabdf:ghI:iM:mN:np:rstuw:")) != EOF) switch(ch) { case 'A': Aflag = 1; break; case 'a': aflag = 1; break; case 'b': bflag = 1; break; case 'd': dflag = 1; break; case 'f': if (strcmp(optarg, "ns") == 0) af = AF_NS; else if (strcmp(optarg, "inet") == 0) af = AF_INET; else if (strcmp(optarg, "unix") == 0) af = AF_UNIX; else if (strcmp(optarg, "iso") == 0) af = AF_ISO; else { errx(1, "%s: unknown address family", optarg); } break; case 'g': gflag = 1; break; case 'I': { char *cp; iflag = 1; for (cp = interface = optarg; isalpha(*cp); cp++) continue; unit = atoi(cp); - *cp = '\0'; break; } case 'i': iflag = 1; break; case 'M': memf = optarg; break; case 'm': mflag = 1; break; case 'N': nlistf = optarg; break; case 'n': nflag = 1; break; case 'p': if ((tp = name2protox(optarg)) == NULL) { errx(1, "%s: unknown or uninstrumented protocol", optarg); } pflag = 1; break; case 'r': rflag = 1; break; case 's': ++sflag; break; case 't': tflag = 1; break; case 'u': af = AF_UNIX; break; case 'w': interval = atoi(optarg); iflag = 1; break; case '?': default: usage(); } argv += optind; argc -= optind; #define BACKWARD_COMPATIBILITY #ifdef BACKWARD_COMPATIBILITY if (*argv) { if (isdigit(**argv)) { interval = atoi(*argv); if (interval <= 0) usage(); ++argv; iflag = 1; } if (*argv) { nlistf = *argv; if (*++argv) memf = *argv; } } #endif /* * Discard setgid privileges if not the running kernel so that bad * guys can't print interesting stuff from kernel memory. */ if (nlistf != NULL || memf != NULL) setgid(getgid()); kvmd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf); if (kvmd == NULL) { errx(1, "kvm_open: %s", buf); } if (kvm_nlist(kvmd, nl) < 0) { if(nlistf) errx(1, "%s: kvm_nlist: %s", nlistf, kvm_geterr(kvmd)); else errx(1, "kvm_nlist: %s", kvm_geterr(kvmd)); } if (nl[0].n_type == 0) { if(nlistf) errx(1, "%s: no namelist", nlistf); else errx(1, "no namelist"); } if (mflag) { mbpr(nl[N_MBSTAT].n_value); exit(0); } if (pflag) { if (tp->pr_stats) (*tp->pr_stats)(nl[tp->pr_sindex].n_value, tp->pr_name); else printf("%s: no stats routine\n", tp->pr_name); exit(0); } /* * Keep file descriptors open to avoid overhead * of open/close on each call to get* routines. */ sethostent(1); setnetent(1); if (iflag) { intpr(interval, nl[N_IFNET].n_value); exit(0); } if (rflag) { if (sflag) rt_stats(nl[N_RTSTAT].n_value); else routepr(nl[N_RTREE].n_value); exit(0); } if (gflag) { if (sflag) mrt_stats(nl[N_MRTPROTO].n_value, nl[N_MRTSTAT].n_value); else mroutepr(nl[N_MRTPROTO].n_value, nl[N_MFCTABLE].n_value, nl[N_VIFTABLE].n_value); exit(0); } if (af == AF_INET || af == AF_UNSPEC) { setprotoent(1); setservent(1); /* ugh, this is O(MN) ... why do we do this? */ while (p = getprotoent()) { for (tp = protox; tp->pr_name; tp++) if (strcmp(tp->pr_name, p->p_name) == 0) break; if (tp->pr_name == 0 || tp->pr_wanted == 0) continue; printproto(tp, p->p_name); } endprotoent(); } if (af == AF_NS || af == AF_UNSPEC) for (tp = nsprotox; tp->pr_name; tp++) printproto(tp, tp->pr_name); if (af == AF_ISO || af == AF_UNSPEC) for (tp = isoprotox; tp->pr_name; tp++) printproto(tp, tp->pr_name); if ((af == AF_UNIX || af == AF_UNSPEC) && !sflag) unixpr(nl[N_UNIXSW].n_value); exit(0); } /* * Print out protocol statistics or control blocks (per sflag). * If the interface was not specifically requested, and the symbol * is not in the namelist, ignore this one. */ static void printproto(tp, name) register struct protox *tp; char *name; { void (*pr)(); u_long off; if (sflag) { pr = tp->pr_stats; off = nl[tp->pr_sindex].n_value; } else { pr = tp->pr_cblocks; off = nl[tp->pr_index].n_value; } if (pr != NULL && (off || af != AF_UNSPEC)) (*pr)(off, name); } /* * Read kernel memory, return 0 on success. */ int kread(addr, buf, size) u_long addr; char *buf; int size; { if (kvm_read(kvmd, addr, buf, size) != size) { warnx("%s", kvm_geterr(kvmd)); return (-1); } return (0); } char * plural(n) int n; { return (n != 1 ? "s" : ""); } char * plurales(n) int n; { return (n != 1 ? "es" : ""); } /* * Find the protox for the given "well-known" name. */ static struct protox * knownname(name) char *name; { struct protox **tpp, *tp; for (tpp = protoprotox; *tpp; tpp++) for (tp = *tpp; tp->pr_name; tp++) if (strcmp(tp->pr_name, name) == 0) return (tp); return (NULL); } /* * Find the protox corresponding to name. */ static struct protox * name2protox(name) char *name; { struct protox *tp; char **alias; /* alias from p->aliases */ struct protoent *p; /* * Try to find the name in the list of "well-known" names. If that * fails, check if name is an alias for an Internet protocol. */ if (tp = knownname(name)) return (tp); setprotoent(1); /* make protocol lookup cheaper */ while (p = getprotoent()) { /* assert: name not same as p->name */ for (alias = p->p_aliases; *alias; alias++) if (strcmp(name, *alias) == 0) { endprotoent(); return (knownname(p->p_name)); } } endprotoent(); return (NULL); } static void usage() { (void)fprintf(stderr, "usage: %s [-Aan] [-f address_family] [-M core] [-N system]\n", prog); (void)fprintf(stderr, " %s [-bdghimnrs] [-f address_family] [-M core] [-N system]\n", prog); (void)fprintf(stderr, " %s [-bdn] [-I interface] [-M core] [-N system] [-w wait]\n", prog); (void)fprintf(stderr, " %s [-M core] [-N system] [-p protocol]\n", prog); exit(1); }