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#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <sys/time.h>
#include <unistd.h>
#include <string.h>
#include <fcntl.h>
#include <stdio.h>
#include <errno.h>
#include <assert.h>
#include <stdlib.h>
#include <signal.h>
#include "braaoids.h"
#include "braaasn.h"
#include "braaprotocol.h"
#include "queries.h"
#define ERRORBUFFER_SIZE 200
void help(void)
{
printf("braa 0.82 - Mateusz 'mteg' Golicz <mtg@elsat.net.pl>, 2003 - 2006\n");
printf("usage: braa [options] [query1] [query2] ...\n");
printf(" -h Show this help.\n");
printf(" -2 Claim to be a SNMP2C agent.\n");
printf(" -v Show short summary after doing all queries.\n");
printf(" -x Hexdump octet-strings\n");
printf(" -t <s> Wait <s> seconds for responses.\n");
printf(" -d <s> Wait <s> microseconds after sending each packet.\n");
printf(" -p <s> Wait <s> milliseconds between subsequent passes.\n");
printf(" -f <file> Load queries from file <file> (one by line).\n");
printf(" -a <time> Quit after <time> seconds, independent on what happens.\n");
printf(" -r <rc> Retry count (default: 3).\n");
printf("\n");
printf("Query format:\n");
printf(" GET: [community@]iprange[:port]:oid[/id]\n");
printf(" WALK: [community@]iprange[:port]:oid.*[/id]\n");
printf(" SET: [community@]iprange[:port]:oid=value[/id]\n");
printf("\nExamples:\n");
printf(" public@10.253.101.1:161:.1.3.6.*\n");
printf(" 10.253.101.1-10.253.101.255:.1.3.6.1.2.1.1.4.0=sme\n");
printf(" 10.253.101.1:.1.3.6.1.2.1.1.1.0/description\n");
printf("\nIt is also possible to specify multiple queries at once:\n");
printf(" 10.253.101.1-10.253.101.255:.1.3.6.1.2.1.1.4.0=sme,.1.3.6.*\n");
printf(" (Will set .1.3.6.1.2.1.1.4.0 to 'me' and do a walk starting from .1.3.6)\n");
printf("\n\nValues for SET queries have to be prepended with a character specifying the value type:\n");
printf(" i is INTEGER\n");
printf(" a is IPADDRESS\n");
printf(" s is OCTET STRING\n");
printf(" o is OBJECT IDENTIFIER\n");
printf("If the type specifier is missing, the value type is auto-detected\n");
}
void doquit(int sig)
{
_exit(0);
}
int main(int argc, char **argv)
{
/* queries:
[community@]host[:port]:oid[/id] - get
[community@]host[:port]:oid.*[/id] - walk
[community@]host[:port]:oid.[/id]=... - set */
int c, i, ver = BRAA_VERSION_SNMP1, verbose = 0,
r = 3, time = 2, sdelay = 0, pass_delay = 500, hexdump = 0;
struct query_hostrange * head = NULL;
struct queryhash * qh;
char error[ERRORBUFFER_SIZE];
while((c = getopt(argc, argv, "a:h2vd:r:p:d:f:t:x")) != EOF)
{
switch(c)
{
case 'h':
help();
return(0);
case '2': ver = BRAA_VERSION_SNMP2C; break;
case 'v': verbose ++; break;
case 't': time = atoi(optarg); break;
case 'p': pass_delay = atoi(optarg); break;
case 'd': sdelay = atoi(optarg); break;
case 'x': hexdump = 1; break;
case 'r': r = atoi(optarg);
if(!r)
{
fprintf(stderr, "Invalid retry count.\n");
return 1;
}
break;
case 'a':
{
int t;
t = atoi(optarg);
if(!t)
{
fprintf(stderr, "Invalid alarm time.\n");
return 1;
}
signal(SIGALRM, doquit);
alarm(t);
break;
}
case 'f':
{
FILE *fh;
char buffer[512];
fh = fopen(optarg, "r");
if(!fh)
{
perror("fopen");
return(1);
}
while(fgets(buffer, 512, fh))
{
char *r;
if((r = index(buffer, '\n')))
*r = 0;
if(strlen(buffer) > 2)
{
if(!bapp_rangesplit_query(&head, buffer, error, ERRORBUFFER_SIZE))
{
fprintf(stderr, "Unable to process queries: %s (file %s)\n", error, optarg);
return(1);
}
}
}
fclose(fh);
}
}
}
if(optind >= argc && (!head))
{
help();
return(1);
}
for(i = optind; i < argc; i++)
{
if(!bapp_rangesplit_query(&head, argv[i], error, ERRORBUFFER_SIZE))
{
fprintf(stderr, "Unable to process queries: %s\n", error);
return(1);
}
}
if(!(qh = bapp_make_hash(ver, head, error, ERRORBUFFER_SIZE)))
{
fprintf(stderr, "Unable to process queries: %s\n", error);
return(1);
}
{
int s = socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP);
struct timeval tv;
if(s < 0)
{
perror("socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP)");
return(1);
}
if(fcntl(s, F_SETFL, O_NONBLOCK) < 0)
{
perror("fcntl(socket, F_SETFL, O_NONBLOCK)");
return(1);
}
for(;;)
{
if(!bapp_sendmessage(qh, s, r, DEFAULT_XDELAY, sdelay, pass_delay)) break;
if(bapp_processmessages(s, qh, hexdump)) break;
usleep(250);
}
tv.tv_sec = time;
tv.tv_usec = 0;
while(!bapp_processmessages(s, qh, hexdump))
{
fd_set fds;
FD_ZERO(&fds);
FD_SET(s, &fds);
if(select(s + 1, &fds, NULL, NULL, &tv) < 1) break;
}
if(verbose)
printf("%d queries made, %d queries acknowledged.\n", qh->responses_needed, qh->responses_received);
}
return(0);
}
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