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/* Copyright (C) 2000-2006 Boris Wesslowski */
/* $Id: lancom.c,v 1.4 2006/03/08 19:36:02 bw Exp $ */
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <ctype.h>
#include "main.h"
#include "utils.h"
extern struct options opt;
unsigned char lancom(char *input, int linenum)
{
char *sinputs=input, *sinpute;
int retval, day, hour, minute, second;
char smonth[3];
init_line();
xstrncpy(opt.line->interface, "-", SHORTLEN);
/* Read time */
sinpute = sinputs+15;
*sinpute = '\0';
retval = sscanf(sinputs, "%3s %2d %2d:%2d:%2d", smonth, &day, &hour, &minute, &second);
build_time(smonth, day, hour, minute, second);
/* Read loghost */
sinpute++;
sinputs = sinpute;
sinpute = strchr(sinputs, ' ');
*sinpute = '\0';
xstrncpy(opt.line->hostname, sinputs, sinpute - sinputs + 1);
/* Read chainlabel */
sinpute++;
sinputs = sinpute;
sinpute = strchr(sinputs, ' ');
*sinpute = '\0';
xstrncpy(opt.line->chainlabel, sinputs, sinpute - sinputs);
/* Skip "Dst:" */
sinpute++;
sinputs = sinpute;
sinpute = strchr(sinputs, ':');
sinpute++;
/* Read dest IP */
sinpute++;
sinputs = sinpute;
sinpute = strchr(sinputs, ':');
*sinpute = '\0';
if(convert_ip(sinputs, &opt.line->dhost) == IN_ADDR_ERROR) {
if(opt.verbose)
fprintf(stderr, "lancom parse error while reading dhost in line %d, ignoring.\n", linenum);
return PARSE_WRONG_FORMAT;
}
/* Read dest port */
sinpute++;
sinputs = sinpute;
sinpute = strchr(sinputs, ' ');
retval = sscanf(sinputs, "%5d", &opt.line->dport);
if (retval == 0) {
if(opt.verbose)
fprintf(stderr, "lancom parse error while reading dport in line %d, ignoring.\n", linenum);
return PARSE_WRONG_FORMAT;
}
/* Skip the "Src:" */
sinputs = sinpute;
sinpute = strchr(sinputs, ':');
sinpute++;
/* Read source IP */
sinpute++;
sinputs = sinpute;
sinpute = strchr(sinputs, ':');
*sinpute = '\0';
if(convert_ip(sinputs, &opt.line->shost) == IN_ADDR_ERROR) {
if(opt.verbose)
fprintf(stderr, "lancom parse error while reading shost in line %d, ignoring.\n", linenum);
return PARSE_WRONG_FORMAT;
}
/* Read source port */
sinpute++;
sinputs = sinpute;
sinpute = strchr(sinputs, ' ');
*sinpute = '\0';
retval = sscanf(sinputs, "%5d", &opt.line->sport);
if (retval == 0) {
if(opt.verbose)
fprintf(stderr, "lancom parse error while reading sport in line %d, ignoring.\n", linenum);
return PARSE_WRONG_FORMAT;
}
/* Read protocol */
sinpute++;
sinputs = sinpute;
sinpute = strchr(sinputs, '(');
if (sinpute == NULL) {
if(opt.verbose)
fprintf(stderr, "lancom parse error while looking for protocol in line %d, ignoring.\n", linenum);
return PARSE_WRONG_FORMAT;
}
sinpute++;
sinputs = sinpute;
sinpute = strchr(sinputs, ')');
*sinpute = '\0';
if(strncmp(sinputs, "TCP", 3) == 0) opt.line->protocol = 6;
else if(strncmp(sinputs, "UDP", 3) == 0) opt.line->protocol = 17;
else {
if(opt.verbose)
fprintf(stderr, "lancom parse error while reading proto in line %d, ignoring.\n", linenum);
return PARSE_WRONG_FORMAT;
}
/* Read branch name */
sinpute++;
sinpute++;
sinpute++;
sinputs = sinpute;
sinpute = strchr(sinputs, '\0');
xstrncpy(opt.line->branchname, sinputs, sinpute - sinputs);
/* Set rest */
opt.line->flags = 0;
opt.line->count = 1;
return PARSE_OK;
}
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