snmpbulkget.c
上传用户:wxp200602
上传日期:2007-10-30
资源大小:4028k
文件大小:7k
- /*
- * snmpbulkget.c - send SNMPv2 Bulk 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 <net-snmp/utilities.h>
- #include <sys/types.h>
- #if HAVE_NETINET_IN_H
- #include <netinet/in.h>
- #endif
- #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
- #include <stdio.h>
- #include <ctype.h>
- #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/net-snmp-includes.h>
- oid objid_mib[] = { 1, 3, 6, 1, 2, 1 };
- int max_repetitions = 10;
- int non_repeaters = 0;
- struct nameStruct {
- oid name[MAX_OID_LEN];
- size_t name_len;
- } *name, *namep;
- int names;
- void
- usage(void)
- {
- fprintf(stderr, "USAGE: snmpbulkget ");
- snmp_parse_args_usage(stderr);
- fprintf(stderr, " OID [OID]...nn");
- snmp_parse_args_descriptions(stderr);
- fprintf(stderr,
- " -C APPOPTSttSet various application specific behaviours:n");
- fprintf(stderr, "ttt n<NUM>: set non-repeaters to <NUM>n");
- fprintf(stderr, "ttt r<NUM>: set max-repeaters to <NUM>n");
- }
- static
- void
- optProc(int argc, char *const *argv, int opt)
- {
- char *endptr = NULL;
- switch (opt) {
- case 'C':
- while (*optarg) {
- switch (*optarg++) {
- case 'n':
- case 'r':
- if (*(optarg - 1) == 'r') {
- max_repetitions = strtol(optarg, &endptr, 0);
- } else {
- non_repeaters = strtol(optarg, &endptr, 0);
- }
- if (endptr == optarg) {
- /*
- * No number given -- error.
- */
- usage();
- exit(1);
- } else {
- optarg = endptr;
- if (isspace(*optarg)) {
- return;
- }
- }
- break;
- default:
- fprintf(stderr, "Unknown flag passed to -C: %cn",
- optarg[-1]);
- exit(1);
- }
- }
- }
- }
- int
- main(int argc, char *argv[])
- {
- netsnmp_session session, *ss;
- netsnmp_pdu *pdu;
- netsnmp_pdu *response;
- netsnmp_variable_list *vars;
- int arg;
- int count;
- int running;
- int status;
- int exitval = 0;
- /*
- * get the common command line arguments
- */
- switch (arg = snmp_parse_args(argc, argv, &session, "C:", optProc)) {
- case -2:
- exit(0);
- case -1:
- usage();
- exit(1);
- default:
- break;
- }
- names = argc - arg;
- if (names < non_repeaters) {
- fprintf(stderr, "snmpbulkget: need more objects than <nonrep>n");
- exit(1);
- }
- namep = name = (struct nameStruct *) calloc(names, sizeof(*name));
- while (arg < argc) {
- namep->name_len = MAX_OID_LEN;
- if (snmp_parse_oid(argv[arg], namep->name, &namep->name_len) ==
- NULL) {
- snmp_perror(argv[arg]);
- exit(1);
- }
- arg++;
- namep++;
- }
- 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("snmpbulkget", &session);
- SOCK_CLEANUP;
- exit(1);
- }
- /*
- * create PDU for GETBULK request and add object name to request
- */
- pdu = snmp_pdu_create(SNMP_MSG_GETBULK);
- pdu->non_repeaters = non_repeaters;
- pdu->max_repetitions = max_repetitions; /* fill the packet */
- for (arg = 0; arg < names; arg++)
- snmp_add_null_var(pdu, name[arg].name, name[arg].name_len);
- /*
- * do the request
- */
- status = snmp_synch_response(ss, pdu, &response);
- if (status == STAT_SUCCESS) {
- if (response->errstat == SNMP_ERR_NOERROR) {
- /*
- * check resulting variables
- */
- for (vars = response->variables; vars;
- vars = vars->next_variable)
- print_variable(vars->name, vars->name_length, vars);
- } else {
- /*
- * error in response, print it
- */
- running = 0;
- if (response->errstat == SNMP_ERR_NOSUCHNAME) {
- printf("End of MIB.n");
- } else {
- fprintf(stderr, "Error in packet.nReason: %sn",
- 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++)
- /*EMPTY*/;
- 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 %sn",
- session.peername);
- running = 0;
- exitval = 1;
- } else { /* status == STAT_ERROR */
- snmp_sess_perror("snmpbulkget", ss);
- running = 0;
- exitval = 1;
- }
- if (response)
- snmp_free_pdu(response);
- snmp_close(ss);
- SOCK_CLEANUP;
- return exitval;
- }