apps/snmptrap.c - vendor/opensource/netsnmp - Git at Google

 /*
  * snmptrap.c - send snmp traps to a network entity.
  *
  */
 /******************************************************************
 	Copyright 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 <config.h>

 #include <sys/types.h>
 #if HAVE_NETINET_IN_H
 # include <netinet/in.h>
 #endif
 #if TIME_WITH_SYS_TIME
 # include <sys/time.h>
 # include <time.h>
 #else
 # if HAVE_SYS_TIME_H
 #  include <sys/time.h>
 # else
 #  include <time.h>
 # endif
 #endif
 #include <netdb.h>
 #include <stdio.h>
 #include <sys/socket.h>
 #include <net/if.h>
 #if HAVE_SYS_IOCTL_H
 #include <sys/ioctl.h>
 #endif
 #if HAVE_SYS_SOCKIO_H
 #include <sys/sockio.h>
 #endif
 #include <sys/file.h>
 #include <nlist.h>

 #include "snmp.h"
 #include "asn1.h"
 #include "snmp_impl.h"
 #include "snmp_api.h"
 #include "snmp_client.h"
 #include "party.h"

 extern int  errno;
 int	snmp_dump_packet = 0;

 #define NUM_NETWORKS	16   /* max number of interfaces to check */

 oid objid_enterprise[] = {1, 3, 6, 1, 4, 1, 3, 1, 1};
 oid objid_sysdescr[] = {1, 3, 6, 1, 2, 1, 1, 1, 0};

 struct nlist nl[] = {
     { "_boottime" },
     { "" }
 };

 usage(){
 	printf("usage: snmptrap gateway srcParty dstParty trap-type specific-type device-description [ -a agent-addr ]\n");
 }

 int snmp_input(){
 }

 #ifndef IFF_LOOPBACK
 #define IFF_LOOPBACK 0
 #endif
 #define LOOPBACK    0x7f000001
 u_long
 get_myaddr(){
     int sd;
     struct ifconf ifc;
     struct ifreq conf[NUM_NETWORKS], *ifrp, ifreq;
     struct sockaddr_in *in_addr;
     int count;
     int interfaces;		/* number of interfaces returned by ioctl */

     if ((sd = socket(AF_INET, SOCK_DGRAM, 0)) < 0)
 	return 0;
     ifc.ifc_len = sizeof(conf);
     ifc.ifc_buf = (caddr_t)conf;
     if (ioctl(sd, SIOCGIFCONF, (char *)&ifc) < 0){
 	close(sd);
 	return 0;
     }
     ifrp = ifc.ifc_req;
     interfaces = ifc.ifc_len / sizeof(struct ifreq);
     for(count = 0; count < interfaces; count++, ifrp++){
 	ifreq = *ifrp;
 	if (ioctl(sd, SIOCGIFFLAGS, (char *)&ifreq) < 0)
 	    continue;
 	in_addr = (struct sockaddr_in *)&ifrp->ifr_addr;
 	if ((ifreq.ifr_flags & IFF_UP)
 	    && (ifreq.ifr_flags & IFF_RUNNING)
 	    && !(ifreq.ifr_flags & IFF_LOOPBACK)
 	    && in_addr->sin_addr.s_addr != LOOPBACK){
 		close(sd);
 		return in_addr->sin_addr.s_addr;
 	    }
     }
     close(sd);
     return 0;
 }

 /*
  * Returns uptime in centiseconds(!).
  */
 long uptime(){
     struct timeval boottime, now, diff;
     int kmem;

     if ((kmem = open("/dev/kmem", 0)) < 0)
 	return 0;
     nlist("/vmunix", nl);
     if (nl[0].n_type == 0){
 	close(kmem);
 	return 0;
     }

     lseek(kmem, (long)nl[0].n_value, L_SET);
     read(kmem, &boottime, sizeof(boottime));
     close(kmem);

     gettimeofday(&now, 0);
     now.tv_sec--;
     now.tv_usec += 1000000L;
     diff.tv_sec = now.tv_sec - boottime.tv_sec;
     diff.tv_usec = now.tv_usec - boottime.tv_usec;
     if (diff.tv_usec > 1000000L){
 	diff.tv_usec -= 1000000L;
 	diff.tv_sec++;
     }
     return ((diff.tv_sec * 100) + (diff.tv_usec / 10000));
 }

 u_long parse_address(address)
     char *address;
 {
     u_long addr;
     struct sockaddr_in saddr;
     struct hostent *hp;

     if ((addr = inet_addr(address)) != -1)
 	return addr;
     hp = gethostbyname(address);
     if (hp == NULL){
 	fprintf(stderr, "unknown host: %s\n", address);
 	return 0;
     } else {
 	bcopy((char *)hp->h_addr, (char *)&saddr.sin_addr, hp->h_length);
 	return saddr.sin_addr.s_addr;
     }

 }
 main(argc, argv)
     int	    argc;
     char    *argv[];
 {
     struct snmp_session session, *ss;
     struct snmp_pdu *pdu;
     struct variable_list *vars;
     int	arg;
     char *gateway = NULL;
     char *community = NULL;
     char *trap = NULL, *specific = NULL, *description = NULL, *agent = NULL;
     int version = 2;
     oid src[MAX_NAME_LEN], dst[MAX_NAME_LEN];
     int srclen = 0, dstlen = 0;
     struct partyEntry *pp;


     /*
      * usage: snmptrap gateway-name srcParty dstParty trap-type specific-type device-description [ -a agent-addr ]
      */
     init_mib();
     for(arg = 1; arg < argc; arg++){
 	if (argv[arg][0] == '-'){
 	    switch(argv[arg][1]){
 		case 'a':
 		    agent = argv[++arg];
 		    break;
 		case 'd':
 		    snmp_dump_packet++;
 		    break;
 		case 'v':
 		    version = atoi(argv[++arg]);
 		    break;
 		default:
 		    printf("invalid option: -%c\n", argv[arg][1]);
 		    break;
 	    }
 	    continue;
 	}
 	if (gateway == NULL){
 	    gateway = argv[arg];
 	} else if (version == 0 && community == NULL){
 	    community = argv[arg];
 	} else if ((version == 1 || version == 2) && srclen == 0){
 	    if (!read_party_database("/etc/party.conf")){
 		fprintf(stderr,
 			"Couldn't read party database from /etc/party.conf\n");
 		exit(0);
 	    }
 	    party_scanInit();
 	    for(pp = party_scanNext(); pp; pp = party_scanNext()){
 		if (!strcasecmp(pp->partyName, argv[arg])){
 		    srclen = pp->partyIdentityLen;
 		    bcopy(pp->partyIdentity, src, srclen * sizeof(oid));
 		    break;
 		}
 	    }
 	    if (!pp){
 		srclen = MAX_NAME_LEN;
 		if (!read_objid(argv[arg], src, &srclen)){
 		    printf("Invalid source party: %s\n", argv[arg]);
 		    srclen = 0;
 		    usage();
 		    exit(1);
 		}
 	    }
 	} else if ((version == 1 || version == 2) && dstlen == 0){
 	    dstlen = MAX_NAME_LEN;
 	    party_scanInit();
 	    for(pp = party_scanNext(); pp; pp = party_scanNext()){
 		if (!strcasecmp(pp->partyName, argv[arg])){
 		    dstlen = pp->partyIdentityLen;
 		    bcopy(pp->partyIdentity, dst, dstlen * sizeof(oid));
 		    break;
 		}
 	    }
 	    if (!pp){
 		if (!read_objid(argv[arg], dst, &dstlen)){
 		    printf("Invalid destination party: %s\n", argv[arg]);
 		    dstlen = 0;
 		    usage();
 		    exit(1);
 		}
 	    }
 	} else if (trap == NULL){
 	    trap = argv[arg];
 	} else if (specific == NULL){
 	    specific = argv[arg];
 	} else {
 	    description = argv[arg];
 	}
     }

     if (!(version == 0 && gateway && community && trap && specific
 	  && description)
 	&& !((version == 1 || version == 2) && gateway &&
 	     srclen && dstlen && trap && specific && description)){
 	usage();
 	exit(1);
     }

     bzero((char *)&session, sizeof(struct snmp_session));
     session.peername = gateway;
     session.version = version;
     if (version == 0){
 	session.community = (u_char *)community;
 	session.community_len = strlen((char *)community);
     } else if (version == 1 || version == 2){
         session.srcParty = src;
         session.srcPartyLen = srclen;
         session.dstParty = dst;
         session.dstPartyLen = dstlen;
     }
     session.retries = SNMP_DEFAULT_RETRIES;
     session.timeout = SNMP_DEFAULT_TIMEOUT;
     session.authenticator = NULL;
     session.callback = snmp_input;
     session.callback_magic = NULL;
     session.remote_port = SNMP_TRAP_PORT;
     ss = snmp_open(&session);
     if (ss == NULL){
 	printf("Couldn't open snmp\n");
 	exit(-1);
     }

     pdu = snmp_pdu_create(TRP_REQ_MSG);
     pdu->enterprise = (oid *)malloc(sizeof(objid_enterprise));
     bcopy((char *)objid_enterprise, (char *)pdu->enterprise, sizeof(objid_enterprise));
     pdu->enterprise_length = sizeof(objid_enterprise) / sizeof(oid);
     if (agent != NULL)
 	pdu->agent_addr.sin_addr.s_addr = parse_address(agent);
     else
 	pdu->agent_addr.sin_addr.s_addr = get_myaddr();
     pdu->trap_type = atoi(trap);
     pdu->specific_type = atoi(specific);
     pdu->time = uptime();

     pdu->variables = vars = (struct variable_list *)malloc(sizeof(struct variable_list));
     vars->next_variable = NULL;
     vars->name = (oid *)malloc(sizeof(objid_sysdescr));
     bcopy((char *)objid_sysdescr, (char *)vars->name, sizeof(objid_sysdescr));
     vars->name_length = sizeof(objid_sysdescr) / sizeof(oid);
     vars->type = ASN_OCTET_STR;
     vars->val.string = (u_char *)malloc(strlen(description) + 1);
     strcpy((char *)vars->val.string, description);
     vars->val_len = strlen(description);

     if (snmp_send(ss, pdu)== 0){
 	printf("error\n");
     }
     snmp_close(ss);
 }
	/*
	* snmptrap.c - send snmp traps to a network entity.
	*
	*/
	/******************************************************************
	Copyright 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 <config.h>

	#include <sys/types.h>
	#if HAVE_NETINET_IN_H
	# include <netinet/in.h>
	#endif
	#if TIME_WITH_SYS_TIME
	# include <sys/time.h>
	# include <time.h>
	#else
	# if HAVE_SYS_TIME_H
	# include <sys/time.h>
	# else
	# include <time.h>
	# endif
	#endif
	#include <netdb.h>
	#include <stdio.h>
	#include <sys/socket.h>
	#include <net/if.h>
	#if HAVE_SYS_IOCTL_H
	#include <sys/ioctl.h>
	#endif
	#if HAVE_SYS_SOCKIO_H
	#include <sys/sockio.h>
	#endif
	#include <sys/file.h>
	#include <nlist.h>

	#include "snmp.h"
	#include "asn1.h"
	#include "snmp_impl.h"
	#include "snmp_api.h"
	#include "snmp_client.h"
	#include "party.h"

	extern int errno;
	int snmp_dump_packet = 0;

	#define NUM_NETWORKS 16 /* max number of interfaces to check */

	oid objid_enterprise[] = {1, 3, 6, 1, 4, 1, 3, 1, 1};
	oid objid_sysdescr[] = {1, 3, 6, 1, 2, 1, 1, 1, 0};

	struct nlist nl[] = {
	{ "_boottime" },
	{ "" }
	};

	usage(){
	printf("usage: snmptrap gateway srcParty dstParty trap-type specific-type device-description [ -a agent-addr ]\n");
	}

	int snmp_input(){
	}

	#ifndef IFF_LOOPBACK
	#define IFF_LOOPBACK 0
	#endif
	#define LOOPBACK 0x7f000001
	u_long
	get_myaddr(){
	int sd;
	struct ifconf ifc;
	struct ifreq conf[NUM_NETWORKS], *ifrp, ifreq;
	struct sockaddr_in *in_addr;
	int count;
	int interfaces; /* number of interfaces returned by ioctl */

	if ((sd = socket(AF_INET, SOCK_DGRAM, 0)) < 0)
	return 0;
	ifc.ifc_len = sizeof(conf);
	ifc.ifc_buf = (caddr_t)conf;
	if (ioctl(sd, SIOCGIFCONF, (char *)&ifc) < 0){
	close(sd);
	return 0;
	}
	ifrp = ifc.ifc_req;
	interfaces = ifc.ifc_len / sizeof(struct ifreq);
	for(count = 0; count < interfaces; count++, ifrp++){
	ifreq = *ifrp;
	if (ioctl(sd, SIOCGIFFLAGS, (char *)&ifreq) < 0)
	continue;
	in_addr = (struct sockaddr_in *)&ifrp->ifr_addr;
	if ((ifreq.ifr_flags & IFF_UP)
	&& (ifreq.ifr_flags & IFF_RUNNING)
	&& !(ifreq.ifr_flags & IFF_LOOPBACK)
	&& in_addr->sin_addr.s_addr != LOOPBACK){
	close(sd);
	return in_addr->sin_addr.s_addr;
	}
	}
	close(sd);
	return 0;
	}

	/*
	* Returns uptime in centiseconds(!).
	*/
	long uptime(){
	struct timeval boottime, now, diff;
	int kmem;

	if ((kmem = open("/dev/kmem", 0)) < 0)
	return 0;
	nlist("/vmunix", nl);
	if (nl[0].n_type == 0){
	close(kmem);
	return 0;
	}

	lseek(kmem, (long)nl[0].n_value, L_SET);
	read(kmem, &boottime, sizeof(boottime));
	close(kmem);

	gettimeofday(&now, 0);
	now.tv_sec--;
	now.tv_usec += 1000000L;
	diff.tv_sec = now.tv_sec - boottime.tv_sec;
	diff.tv_usec = now.tv_usec - boottime.tv_usec;
	if (diff.tv_usec > 1000000L){
	diff.tv_usec -= 1000000L;
	diff.tv_sec++;
	}
	return ((diff.tv_sec * 100) + (diff.tv_usec / 10000));
	}

	u_long parse_address(address)
	char *address;
	{
	u_long addr;
	struct sockaddr_in saddr;
	struct hostent *hp;

	if ((addr = inet_addr(address)) != -1)
	return addr;
	hp = gethostbyname(address);
	if (hp == NULL){
	fprintf(stderr, "unknown host: %s\n", address);
	return 0;
	} else {
	bcopy((char )hp->h_addr, (char )&saddr.sin_addr, hp->h_length);
	return saddr.sin_addr.s_addr;
	}

	}
	main(argc, argv)
	int argc;
	char *argv[];
	{
	struct snmp_session session, *ss;
	struct snmp_pdu *pdu;
	struct variable_list *vars;
	int arg;
	char *gateway = NULL;
	char *community = NULL;
	char trap = NULL, specific = NULL, description = NULL, agent = NULL;
	int version = 2;
	oid src[MAX_NAME_LEN], dst[MAX_NAME_LEN];
	int srclen = 0, dstlen = 0;
	struct partyEntry *pp;


	/*
	* usage: snmptrap gateway-name srcParty dstParty trap-type specific-type device-description [ -a agent-addr ]
	*/
	init_mib();
	for(arg = 1; arg < argc; arg++){
	if (argv[arg][0] == '-'){
	switch(argv[arg][1]){
	case 'a':
	agent = argv[++arg];
	break;
	case 'd':
	snmp_dump_packet++;
	break;
	case 'v':
	version = atoi(argv[++arg]);
	break;
	default:
	printf("invalid option: -%c\n", argv[arg][1]);
	break;
	}
	continue;
	}
	if (gateway == NULL){
	gateway = argv[arg];
	} else if (version == 0 && community == NULL){
	community = argv[arg];
	} else if ((version == 1 \|\| version == 2) && srclen == 0){
	if (!read_party_database("/etc/party.conf")){
	fprintf(stderr,
	"Couldn't read party database from /etc/party.conf\n");
	exit(0);
	}
	party_scanInit();
	for(pp = party_scanNext(); pp; pp = party_scanNext()){
	if (!strcasecmp(pp->partyName, argv[arg])){
	srclen = pp->partyIdentityLen;
	bcopy(pp->partyIdentity, src, srclen * sizeof(oid));
	break;
	}
	}
	if (!pp){
	srclen = MAX_NAME_LEN;
	if (!read_objid(argv[arg], src, &srclen)){
	printf("Invalid source party: %s\n", argv[arg]);
	srclen = 0;
	usage();
	exit(1);
	}
	}
	} else if ((version == 1 \|\| version == 2) && dstlen == 0){
	dstlen = MAX_NAME_LEN;
	party_scanInit();
	for(pp = party_scanNext(); pp; pp = party_scanNext()){
	if (!strcasecmp(pp->partyName, argv[arg])){
	dstlen = pp->partyIdentityLen;
	bcopy(pp->partyIdentity, dst, dstlen * sizeof(oid));
	break;
	}
	}
	if (!pp){
	if (!read_objid(argv[arg], dst, &dstlen)){
	printf("Invalid destination party: %s\n", argv[arg]);
	dstlen = 0;
	usage();
	exit(1);
	}
	}
	} else if (trap == NULL){
	trap = argv[arg];
	} else if (specific == NULL){
	specific = argv[arg];
	} else {
	description = argv[arg];
	}
	}

	if (!(version == 0 && gateway && community && trap && specific
	&& description)
	&& !((version == 1 \|\| version == 2) && gateway &&
	srclen && dstlen && trap && specific && description)){
	usage();
	exit(1);
	}

	bzero((char *)&session, sizeof(struct snmp_session));
	session.peername = gateway;
	session.version = version;
	if (version == 0){
	session.community = (u_char *)community;
	session.community_len = strlen((char *)community);
	} else if (version == 1 \|\| version == 2){
	session.srcParty = src;
	session.srcPartyLen = srclen;
	session.dstParty = dst;
	session.dstPartyLen = dstlen;
	}
	session.retries = SNMP_DEFAULT_RETRIES;
	session.timeout = SNMP_DEFAULT_TIMEOUT;
	session.authenticator = NULL;
	session.callback = snmp_input;
	session.callback_magic = NULL;
	session.remote_port = SNMP_TRAP_PORT;
	ss = snmp_open(&session);
	if (ss == NULL){
	printf("Couldn't open snmp\n");
	exit(-1);
	}

	pdu = snmp_pdu_create(TRP_REQ_MSG);
	pdu->enterprise = (oid *)malloc(sizeof(objid_enterprise));
	bcopy((char )objid_enterprise, (char )pdu->enterprise, sizeof(objid_enterprise));
	pdu->enterprise_length = sizeof(objid_enterprise) / sizeof(oid);
	if (agent != NULL)
	pdu->agent_addr.sin_addr.s_addr = parse_address(agent);
	else
	pdu->agent_addr.sin_addr.s_addr = get_myaddr();
	pdu->trap_type = atoi(trap);
	pdu->specific_type = atoi(specific);
	pdu->time = uptime();

	pdu->variables = vars = (struct variable_list *)malloc(sizeof(struct variable_list));
	vars->next_variable = NULL;
	vars->name = (oid *)malloc(sizeof(objid_sysdescr));
	bcopy((char )objid_sysdescr, (char )vars->name, sizeof(objid_sysdescr));
	vars->name_length = sizeof(objid_sysdescr) / sizeof(oid);
	vars->type = ASN_OCTET_STR;
	vars->val.string = (u_char *)malloc(strlen(description) + 1);
	strcpy((char *)vars->val.string, description);
	vars->val_len = strlen(description);

	if (snmp_send(ss, pdu)== 0){
	printf("error\n");
	}
	snmp_close(ss);
	}