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-rw-r--r--apps/snmpstatus.c386
1 files changed, 386 insertions, 0 deletions
diff --git a/apps/snmpstatus.c b/apps/snmpstatus.c
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--- /dev/null
+++ b/apps/snmpstatus.c
@@ -0,0 +1,386 @@
+/*
+ * snmpstatus.c - send snmp GET requests to a network entity.
+ *
+ */
+/***********************************************************************
+ Copyright 1988, 1989, 1991, 1992 by Carnegie Mellon University
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name of CMU not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+CMU DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+CMU BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+******************************************************************/
+#include <net-snmp/net-snmp-config.h>
+
+#if HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+#if HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#if HAVE_STRING_H
+#include <string.h>
+#else
+#include <strings.h>
+#endif
+#include <sys/types.h>
+#if HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+#include <stdio.h>
+#include <ctype.h>
+#if TIME_WITH_SYS_TIME
+# ifdef WIN32
+# include <sys/timeb.h>
+# else
+# include <sys/time.h>
+# endif
+# include <time.h>
+#else
+# if HAVE_SYS_TIME_H
+# include <sys/time.h>
+# else
+# include <time.h>
+# endif
+#endif
+#if HAVE_SYS_SELECT_H
+#include <sys/select.h>
+#endif
+#if HAVE_WINSOCK_H
+#include <winsock.h>
+#endif
+#if HAVE_NETDB_H
+#include <netdb.h>
+#endif
+#if HAVE_ARPA_INET_H
+#include <arpa/inet.h>
+#endif
+
+#include <net-snmp/utilities.h>
+
+#include <net-snmp/net-snmp-includes.h>
+
+oid objid_sysDescr[] = { 1, 3, 6, 1, 2, 1, 1, 1, 0 };
+size_t length_sysDescr = sizeof(objid_sysDescr) / sizeof(oid);
+oid objid_sysUpTime[] = { 1, 3, 6, 1, 2, 1, 1, 3, 0 };
+size_t length_sysUpTime = sizeof(objid_sysUpTime) / sizeof(oid);
+oid objid_ifOperStatus[] = { 1, 3, 6, 1, 2, 1, 2, 2, 1, 8 };
+size_t length_ifOperStatus =
+ sizeof(objid_ifOperStatus) / sizeof(oid);
+oid objid_ifInUCastPkts[] = { 1, 3, 6, 1, 2, 1, 2, 2, 1, 11 };
+size_t length_ifInUCastPkts =
+ sizeof(objid_ifInUCastPkts) / sizeof(oid);
+oid objid_ifInNUCastPkts[] = { 1, 3, 6, 1, 2, 1, 2, 2, 1, 12 };
+size_t length_ifInNUCastPkts =
+ sizeof(objid_ifInNUCastPkts) / sizeof(oid);
+oid objid_ifOutUCastPkts[] = { 1, 3, 6, 1, 2, 1, 2, 2, 1, 17 };
+size_t length_ifOutUCastPkts =
+ sizeof(objid_ifOutUCastPkts) / sizeof(oid);
+oid objid_ifOutNUCastPkts[] =
+ { 1, 3, 6, 1, 2, 1, 2, 2, 1, 18 };
+size_t length_ifOutNUCastPkts =
+ sizeof(objid_ifOutNUCastPkts) / sizeof(oid);
+oid objid_ipInReceives[] = { 1, 3, 6, 1, 2, 1, 4, 3, 0 };
+size_t length_ipInReceives =
+ sizeof(objid_ipInReceives) / sizeof(oid);
+oid objid_ipOutRequests[] = { 1, 3, 6, 1, 2, 1, 4, 10, 0 };
+size_t length_ipOutRequests =
+ sizeof(objid_ipOutRequests) / sizeof(oid);
+
+#define NETSNMP_DS_APP_DONT_FIX_PDUS 0
+
+static void
+optProc(int argc, char *const *argv, int opt)
+{
+ switch (opt) {
+ case 'C':
+ while (*optarg) {
+ switch (*optarg++) {
+ case 'f':
+ netsnmp_ds_toggle_boolean(NETSNMP_DS_APPLICATION_ID,
+ NETSNMP_DS_APP_DONT_FIX_PDUS);
+ break;
+ default:
+ fprintf(stderr, "Unknown flag passed to -C: %c\n",
+ optarg[-1]);
+ exit(1);
+ }
+ }
+ break;
+ }
+}
+
+void
+usage(void)
+{
+ fprintf(stderr, "USAGE: snmpstatus ");
+ snmp_parse_args_usage(stderr);
+ fprintf(stderr, "\n\n");
+ snmp_parse_args_descriptions(stderr);
+ fprintf(stderr,
+ " -C APPOPTS\t\tSet various application specific behaviours:\n");
+ fprintf(stderr,
+ "\t\t\t f: do not fix errors and retry the request\n");
+}
+
+
+int
+main(int argc, char *argv[])
+{
+ netsnmp_session session, *ss;
+ netsnmp_pdu *pdu, *response;
+ netsnmp_variable_list *vars;
+ netsnmp_transport *transport = NULL;
+ char *sysdescr = NULL;
+ u_long uptime = 0;
+ int status;
+ int ipin = 0, ipout = 0, ipackets = 0, opackets = 0;
+ int good_var;
+ int down_interfaces = 0;
+ char buf[40];
+ int interfaces;
+ int count;
+ int exitval = 0;
+
+ /*
+ * get the common command line arguments
+ */
+ switch (snmp_parse_args(argc, argv, &session, "C:", &optProc)) {
+ case -2:
+ exit(0);
+ case -1:
+ usage();
+ exit(1);
+ default:
+ break;
+ }
+
+ SOCK_STARTUP;
+
+ /*
+ * open an SNMP session
+ */
+ ss = snmp_open(&session);
+ if (ss == NULL) {
+ /*
+ * diagnose snmp_open errors with the input netsnmp_session pointer
+ */
+ snmp_sess_perror("snmpstatus", &session);
+ SOCK_CLEANUP;
+ exit(1);
+ }
+
+ /*
+ * create PDU for GET request and add object names to request
+ */
+ pdu = snmp_pdu_create(SNMP_MSG_GET);
+ snmp_add_null_var(pdu, objid_sysDescr, length_sysDescr);
+ snmp_add_null_var(pdu, objid_sysUpTime, length_sysUpTime);
+ snmp_add_null_var(pdu, objid_ipInReceives, length_ipInReceives);
+ snmp_add_null_var(pdu, objid_ipOutRequests, length_ipOutRequests);
+
+ /*
+ * do the request
+ */
+ retry:
+ status = snmp_synch_response(ss, pdu, &response);
+ if (status == STAT_SUCCESS) {
+ if (response->errstat == SNMP_ERR_NOERROR) {
+ for (vars = response->variables; vars;
+ vars = vars->next_variable) {
+ if (vars->name_length == length_sysDescr
+ && !memcmp(objid_sysDescr, vars->name,
+ sizeof(objid_sysDescr))) {
+ sysdescr = (char *) malloc(vars->val_len + 1);
+ memcpy(sysdescr, vars->val.string, vars->val_len);
+ sysdescr[vars->val_len] = '\0';
+ }
+ if (vars->name_length == length_sysUpTime &&
+ !memcmp(objid_sysUpTime, vars->name,
+ sizeof(objid_sysUpTime)) &&
+ vars->val.integer) {
+ uptime = *vars->val.integer;
+ }
+ if (vars->name_length == length_ipInReceives &&
+ !memcmp(objid_ipInReceives, vars->name,
+ sizeof(objid_ipInReceives)) &&
+ vars->val.integer) {
+ ipin = *vars->val.integer;
+ }
+ if (vars->name_length == length_ipOutRequests &&
+ !memcmp(objid_ipOutRequests, vars->name,
+ sizeof(objid_ipOutRequests)) &&
+ vars->val.integer) {
+ ipout = *vars->val.integer;
+ }
+ }
+ } else {
+ fprintf(stderr, "Error in packet.\nReason: %s\n",
+ snmp_errstring(response->errstat));
+ if (response->errindex != 0) {
+ fprintf(stderr, "Failed object: ");
+ for (count = 1, vars = response->variables;
+ vars && count != response->errindex;
+ vars = vars->next_variable, count++);
+ if (vars)
+ fprint_objid(stderr, vars->name, vars->name_length);
+ fprintf(stderr, "\n");
+ }
+
+ /*
+ * retry if the errored variable was successfully removed
+ */
+ if (!netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID,
+ NETSNMP_DS_APP_DONT_FIX_PDUS)) {
+ pdu = snmp_fix_pdu(response, SNMP_MSG_GET);
+ snmp_free_pdu(response);
+ response = NULL;
+ if (pdu != NULL)
+ goto retry;
+ }
+ }
+ } else if (status == STAT_TIMEOUT) {
+ fprintf(stderr, "Timeout: No Response from %s\n",
+ session.peername);
+ SOCK_CLEANUP;
+ exit(1);
+ } else { /* status == STAT_ERROR */
+ snmp_sess_perror("snmpstatus", ss);
+ SOCK_CLEANUP;
+ exit(2);
+ }
+
+ transport = snmp_sess_transport(snmp_sess_pointer(ss));
+ if (transport != NULL && transport->f_fmtaddr != NULL) {
+ char *addr_string = transport->f_fmtaddr(transport,
+ response->transport_data,
+ response->
+ transport_data_length);
+ if (addr_string != NULL) {
+ printf("[%s]=>[%s] Up: %s\n", addr_string, sysdescr,
+ uptime_string(uptime, buf));
+ free(addr_string);
+ }
+ } else {
+ printf("[<UNKNOWN>]=>[%s] Up: %s\n", sysdescr,
+ uptime_string(uptime, buf));
+ }
+
+ if (response)
+ snmp_free_pdu(response);
+
+ /*
+ * create PDU for GET request and add object names to request
+ */
+ pdu = snmp_pdu_create(SNMP_MSG_GETNEXT);
+ snmp_add_null_var(pdu, objid_ifOperStatus, length_ifOperStatus);
+ snmp_add_null_var(pdu, objid_ifInUCastPkts, length_ifInUCastPkts);
+ snmp_add_null_var(pdu, objid_ifInNUCastPkts, length_ifInNUCastPkts);
+ snmp_add_null_var(pdu, objid_ifOutUCastPkts, length_ifOutUCastPkts);
+ snmp_add_null_var(pdu, objid_ifOutNUCastPkts, length_ifOutNUCastPkts);
+
+ /*
+ * ?? note: this code is not quite complete
+ */
+ good_var = 5;
+ interfaces = 0;
+ while (good_var == 5) {
+ good_var = 0;
+ status = snmp_synch_response(ss, pdu, &response);
+ if (status == STAT_SUCCESS) {
+ if (response->errstat == SNMP_ERR_NOERROR) {
+ pdu = snmp_pdu_create(SNMP_MSG_GETNEXT);
+ for (vars = response->variables; vars;
+ vars = vars->next_variable) {
+ if (vars->name_length >= length_ifOperStatus
+ && !memcmp(objid_ifOperStatus, vars->name,
+ sizeof(objid_ifOperStatus))) {
+ if (*vars->val.integer != MIB_IFSTATUS_UP)
+ down_interfaces++;
+ snmp_add_null_var(pdu, vars->name,
+ vars->name_length);
+ good_var++;
+ } else if (vars->name_length >= length_ifInUCastPkts &&
+ !memcmp(objid_ifInUCastPkts, vars->name,
+ sizeof(objid_ifInUCastPkts))) {
+ ipackets += *vars->val.integer;
+ snmp_add_null_var(pdu, vars->name,
+ vars->name_length);
+ good_var++;
+ } else if (vars->name_length >= length_ifInNUCastPkts
+ && !memcmp(objid_ifInNUCastPkts, vars->name,
+ sizeof(objid_ifInNUCastPkts))) {
+ ipackets += *vars->val.integer;
+ snmp_add_null_var(pdu, vars->name,
+ vars->name_length);
+ good_var++;
+ } else if (vars->name_length >= length_ifOutUCastPkts
+ && !memcmp(objid_ifOutUCastPkts, vars->name,
+ sizeof(objid_ifOutUCastPkts))) {
+ opackets += *vars->val.integer;
+ snmp_add_null_var(pdu, vars->name,
+ vars->name_length);
+ good_var++;
+ } else if (vars->name_length >= length_ifOutNUCastPkts
+ && !memcmp(objid_ifOutNUCastPkts,
+ vars->name,
+ sizeof(objid_ifOutNUCastPkts))) {
+ opackets += *vars->val.integer;
+ snmp_add_null_var(pdu, vars->name,
+ vars->name_length);
+ good_var++;
+ }
+ }
+ if (good_var == 5)
+ interfaces++;
+ } else {
+ fprintf(stderr, "Error in packet.\nReason: %s\n",
+ snmp_errstring(response->errstat));
+ if (response->errindex != 0) {
+ fprintf(stderr, "Failed object: ");
+ for (count = 1, vars = response->variables;
+ vars && count != response->errindex;
+ vars = vars->next_variable, count++);
+ if (vars)
+ fprint_objid(stderr, vars->name,
+ vars->name_length);
+ fprintf(stderr, "\n");
+ }
+ exitval = 2;
+ }
+ } else if (status == STAT_TIMEOUT) {
+ fprintf(stderr, "Timeout: No Response from %s\n",
+ session.peername);
+ exitval = 1;
+ } else { /* status == STAT_ERROR */
+ snmp_sess_perror("snmpstatus", ss);
+ exitval = 1;
+ }
+
+ if (response)
+ snmp_free_pdu(response);
+ }
+ printf("Interfaces: %d, Recv/Trans packets: %d/%d | IP: %d/%d\n",
+ interfaces, ipackets, opackets, ipin, ipout);
+ if (down_interfaces > 0) {
+ printf("%d interface%s down!\n",
+ down_interfaces, down_interfaces > 1 ? "s are" : " is");
+ }
+
+ snmp_close(ss);
+ SOCK_CLEANUP;
+ return exitval;
+}
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