summaryrefslogtreecommitdiff
path: root/apps/snmpnetstat/main.c
diff options
context:
space:
mode:
Diffstat (limited to 'apps/snmpnetstat/main.c')
-rw-r--r--apps/snmpnetstat/main.c539
1 files changed, 539 insertions, 0 deletions
diff --git a/apps/snmpnetstat/main.c b/apps/snmpnetstat/main.c
new file mode 100644
index 0000000..2e09d5e
--- /dev/null
+++ b/apps/snmpnetstat/main.c
@@ -0,0 +1,539 @@
+/* $OpenBSD: main.c,v 1.52 2005/02/10 14:25:08 itojun Exp $ */
+/* $NetBSD: main.c,v 1.9 1996/05/07 02:55:02 thorpej Exp $ */
+
+/*
+ * 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. 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 */
+
+#ifdef INHERITED_CODE
+#ifndef lint
+#if 0
+static char sccsid[] = "from: @(#)main.c 8.4 (Berkeley) 3/1/94";
+#else
+static char *rcsid = "$OpenBSD: main.c,v 1.52 2005/02/10 14:25:08 itojun Exp $";
+#endif
+#endif /* not lint */
+#endif
+
+#include <net-snmp/net-snmp-config.h>
+#include <net-snmp/net-snmp-includes.h>
+#include <net-snmp/utilities.h>
+
+#if HAVE_NETDB_H
+#include <netdb.h>
+#endif
+
+#include "main.h"
+#include "netstat.h"
+
+#if HAVE_WINSOCK_H
+#include "winstub.h"
+#endif
+
+int Aflag; /* show addresses of protocol control block */
+int aflag; /* show all sockets (including servers) */
+int bflag; /* show bytes instead of packets */
+int dflag; /* show i/f dropped packets */
+int gflag; /* show group (multicast) routing or stats */
+int iflag; /* show interfaces */
+int lflag; /* show routing table with use and ref */
+int mflag; /* show memory stats */
+int nflag; /* show addresses numerically */
+int oflag; /* Open/Net-BSD style octet output */
+int pflag; /* show given protocol */
+int qflag; /* only display non-zero values for output */
+int rflag; /* show routing tables (or routing stats) */
+int Sflag; /* show source address in routing table */
+int sflag; /* show protocol statistics */
+int tflag; /* show i/f watchdog timers */
+int vflag; /* be verbose */
+
+
+int interval; /* repeat interval for i/f stats */
+char *intrface; /* desired i/f for stats, or NULL for all i/fs */
+int af; /* address family */
+int max_getbulk = 32; /* specifies the max-repeaters value to use with GETBULK requests */
+
+char *progname = NULL;
+
+ /*
+ * struct nlist nl[] - Omitted
+ */
+
+typedef void (stringfun)(const char*);
+
+struct protox {
+ /* pr_index/pr_sindex - Omitted */
+ int pr_wanted; /* 1 if wanted, 0 otherwise */
+ stringfun *pr_cblocks; /* control blocks printing routine */
+ stringfun *pr_stats; /* statistics printing routine */
+ const char *pr_name; /* well-known name */
+} protox[] = {
+ { 1, tcpprotopr, tcp_stats, "tcp" },
+ { 1, udpprotopr, udp_stats, "udp" },
+
+ { 1, (stringfun*)0, ip_stats, "ip" }, /* protopr Omitted */
+ { 1, (stringfun*)0, icmp_stats, "icmp" },
+ /* igmp/ah/esp/ipencap/etherip/ipcomp/carp/pfsync/pim - Omitted */
+ { 0, (stringfun*)0, (stringfun*)0, NULL }
+};
+
+struct protox ip6protox[] = {
+ { 1, tcp6protopr, (stringfun*)0, "tcp6" },
+ { 1, udp6protopr, (stringfun*)0, "udp6" },
+
+ { 1, (stringfun*)0, ip6_stats, "ip6" },/* ip6protopr Omitted */
+ { 1, (stringfun*)0, icmp6_stats, "icmp6" },
+ /* pim6/rip6 - Omitted */
+ { 0, (stringfun*)0, (stringfun*)0, NULL }
+};
+
+ /* {ipx,ns,atalk}protox Omitted */
+
+struct protox *protoprotox[] = {
+ protox, ip6protox, NULL
+};
+
+static void printproto(struct protox *, const char *);
+static void usage(void);
+static struct protox *name2protox(const char *);
+static struct protox *knownname(const char *);
+
+netsnmp_session *ss;
+struct protox *tp = NULL; /* for printing cblocks & stats */
+
+static void
+optProc( int argc, char *const *argv, int opt )
+{
+ switch (opt) {
+ case 'C':
+ while (*optarg) {
+ switch (*optarg++) {
+ /* case 'A': *BSD: display PCB addresses
+ Linux: protocol family
+ Aflag = 1;
+ break;
+ */
+ case 'a':
+ aflag = 1;
+ break;
+ case 'b':
+ bflag = 1;
+ break;
+ case 'd':
+ dflag = 1;
+ break;
+ case 'f':
+ if (!*optarg)
+ optarg = argv[optind++];
+ if (strcmp(optarg, "inet") == 0)
+ af = AF_INET;
+ else if (strcmp(optarg, "inet6") == 0)
+ af = AF_INET6;
+ /*
+ else if (strcmp(optarg, "local") == 0)
+ af = AF_LOCAL;
+ else if (strcmp(optarg, "unix") == 0)
+ af = AF_UNIX;
+ else if (strcmp(optarg, "ipx") == 0)
+ af = AF_IPX;
+ else if (strcmp(optarg, "ns") == 0)
+ af = AF_NS;
+ else if (strcmp(optarg, "encap") == 0)
+ af = PF_KEY;
+ else if (strcmp(optarg, "atalk") == 0)
+ af = AF_APPLETALK;
+ */
+ else {
+ (void)fprintf(stderr,
+ "%s: %s: unknown address family\n",
+ progname, optarg);
+ exit(1);
+ }
+ return;
+ case 'g':
+ gflag = 1;
+ break;
+ case 'I':
+ iflag = 1;
+ if (!*optarg)
+ optarg = argv[optind++];
+ intrface = optarg;
+ return;
+ case 'i':
+ iflag = 1;
+ break;
+ /* case 'L': FreeBSD: Display listen queue lengths
+ NetBSD: Suppress link-level routes */
+ /* case 'l': OpenBSD: Wider IPv6 display
+ Linux: Listening sockets only
+ lflag = 1;
+ break;
+ case 'M': *BSD: Memory image
+ Linux: Masqueraded connections
+ memf = optarg;
+ break;
+ */
+ case 'm':
+ mflag = 1;
+ break;
+ /* case 'N': *BSD: Kernel image
+ nlistf = optarg;
+ break;
+ */
+ case 'n':
+ nflag = 1;
+ break;
+ case 'o':
+ oflag = 1;
+ break;
+ /* case 'P': NetBSD:
+ OpenBSD: dump PCB block */
+ case 'p':
+ if (!*optarg)
+ optarg = argv[optind++];
+ if ((tp = name2protox(optarg)) == NULL) {
+ (void)fprintf(stderr,
+ "%s: %s: unknown protocol\n",
+ progname, optarg);
+ exit(1);
+ }
+ pflag = 1;
+ return;
+ /* case 'q': NetBSD: IRQ information
+ OpenBSD: Suppress inactive I/Fs
+ qflag = 1;
+ break;
+ */
+ case 'r':
+ rflag = 1;
+ break;
+ case 'R':
+ if (optind < argc) {
+ if (argv[optind]) {
+ max_getbulk = atoi(argv[optind]);
+ if (max_getbulk == 0) {
+ usage();
+ fprintf(stderr, "Bad -CR option: %s\n",
+ argv[optind]);
+ exit(1);
+ }
+ }
+ } else {
+ usage();
+ fprintf(stderr, "Bad -CR option: no argument given\n");
+ exit(1);
+ }
+ optind++;
+ break;
+ case 'S': /* FreeBSD:
+ NetBSD: Semi-numeric display
+ OpenBSD: Show route source selector */
+ Sflag = 1;
+ break;
+ case 's':
+ ++sflag;
+ break;
+ /* case 't': FreeBSD:
+ OpenBSD: Display watchdog timers
+ tflag = 1;
+ break;
+ case 'u': OpenBSD: unix sockets only
+ af = AF_UNIX;
+ break;
+ */
+ case 'v':
+ vflag = 1;
+ break;
+ case 'w':
+ if (!*optarg)
+ optarg = argv[optind++];
+ interval = atoi(optarg);
+ iflag = 1;
+ return;
+ case '?':
+ default:
+ usage();
+ }
+ }
+ break; /* End of '-Cx' switch */
+
+ /*
+ * Backward compatability for the main display modes
+ * (where this doesn't clash with standard SNMP flags)
+ */
+ case 'i':
+ iflag = 1;
+ break;
+ case 'R':
+ rflag = 1; /* -r sets the retry count */
+ break;
+ case 's':
+ ++sflag;
+ break;
+ }
+}
+
+int
+main(int argc, char *argv[])
+{
+ netsnmp_session session;
+ struct protoent *p;
+ char *cp;
+
+ af = AF_UNSPEC;
+ cp = strrchr( argv[0], '/' );
+ if (cp)
+ progname = cp+1;
+ else
+ progname = argv[0];
+
+ switch (snmp_parse_args( argc, argv, &session, "C:iRs", optProc)) {
+ case NETSNMP_PARSE_ARGS_ERROR:
+ exit(1);
+ case NETSNMP_PARSE_ARGS_SUCCESS_EXIT:
+ exit(0);
+ case NETSNMP_PARSE_ARGS_ERROR_USAGE:
+ usage();
+ exit(1);
+ default:
+ break;
+ }
+
+ /*
+ * Check argc vs optind ??
+ */
+ argv += optind;
+ argc -= optind;
+
+ /*
+ * Open an SNMP session.
+ */
+ SOCK_STARTUP;
+ ss = snmp_open(&session);
+ if (ss == NULL) {
+ /*
+ * diagnose snmp_open errors with the input netsnmp_session pointer
+ */
+ snmp_sess_perror("snmpnetstat", &session);
+ SOCK_CLEANUP;
+ exit(1);
+ }
+
+ /*
+ * Omitted:
+ * Privilege handling
+ * "Backward Compatibility"
+ * Kernel namelis handling
+ */
+
+ if (mflag) {
+ /*
+ mbpr(nl[N_MBSTAT].n_value, nl[N_MBPOOL].n_value,
+ nl[N_MCLPOOL].n_value);
+ */
+ exit(0);
+ }
+ if (pflag) {
+ printproto(tp, 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);
+ exit(0);
+ }
+ if (rflag) {
+ /*
+ if (sflag)
+ rt_stats();
+ else
+ */
+ routepr();
+ exit(0);
+ }
+ /*
+ if (gflag) {
+ if (sflag) {
+ if (af == AF_INET || af == AF_UNSPEC)
+ mrt_stats(nl[N_MRTPROTO].n_value,
+ nl[N_MRTSTAT].n_value);
+#ifdef NETSNMP_ENABLE_IPV6
+ if (af == AF_INET6 || af == AF_UNSPEC)
+ mrt6_stats(nl[N_MRT6PROTO].n_value,
+ nl[N_MRT6STAT].n_value);
+#endif
+ }
+ else {
+ if (af == AF_INET || af == AF_UNSPEC)
+ mroutepr(nl[N_MRTPROTO].n_value,
+ nl[N_MFCHASHTBL].n_value,
+ nl[N_MFCHASH].n_value,
+ nl[N_VIFTABLE].n_value);
+#ifdef NETSNMP_ENABLE_IPV6
+ if (af == AF_INET6 || af == AF_UNSPEC)
+ mroute6pr(nl[N_MRT6PROTO].n_value,
+ nl[N_MF6CTABLE].n_value,
+ nl[N_MIF6TABLE].n_value);
+#endif
+ }
+ 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 == NULL || tp->pr_wanted == 0)
+ continue;
+ printproto(tp, p->p_name);
+ }
+ endprotoent();
+ }
+ if (af == AF_INET6 || af == AF_UNSPEC)
+ for (tp = ip6protox; tp->pr_name; tp++)
+ printproto(tp, tp->pr_name);
+ /*
+ if (af == AF_IPX || af == AF_UNSPEC)
+ for (tp = ipxprotox; tp->pr_name; tp++)
+ printproto(tp, tp->pr_name);
+ if (af == AF_NS || af == AF_UNSPEC)
+ for (tp = nsprotox; tp->pr_name; tp++)
+ printproto(tp, tp->pr_name);
+ if ((af == AF_UNIX || af == AF_UNSPEC) && !sflag)
+ unixpr(nl[N_UNIXSW].n_value);
+ if (af == AF_APPLETALK || af == AF_UNSPEC)
+ for (tp = atalkprotox; tp->pr_name; tp++)
+ printproto(tp, tp->pr_name);
+ */
+ exit(0);
+}
+
+/*
+ * Print out protocol statistics or control blocks (per sflag).
+ * Namelist checks - Omitted
+ */
+static void
+printproto(struct protox *tp, const char *name)
+{
+ void (*pr)(const char *);
+
+ if (sflag) {
+ pr = tp->pr_stats;
+ } else {
+ pr = tp->pr_cblocks;
+ }
+ if (pr != NULL)
+ (*pr)(name);
+}
+
+/*
+ * Read kernel memory - Omitted
+ */
+
+const char *
+plural(int n)
+{
+ return (n != 1 ? "s" : "");
+}
+
+/*
+ * Find the protox for the given "well-known" name.
+ */
+static struct protox *
+knownname(const 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(const 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())) {
+ /* netsnmp_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)
+{
+ (void)fprintf(stderr,
+"usage: %s [snmp_opts] [-Can] [-Cf address_family]\n", progname);
+ (void)fprintf(stderr,
+" %s [snmp_opts] [-CbdgimnrSs] [-Cf address_family]\n", progname);
+ (void)fprintf(stderr,
+" %s [snmp_opts] [-Cbdn] [-CI interface] [-Cw wait]\n", progname);
+ (void)fprintf(stderr,
+" %s [snmp_opts] [-Cs] [-Cp protocol]\n", progname);
+ (void)fprintf(stderr,
+" %s [snmp_opts] [-Ca] [-Cf address_family] [-Ci | -CI interface]\n", progname);
+ exit(1);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-21 13:56:44 +0000