104 lines
2.2 KiB
C
104 lines
2.2 KiB
C
/*
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* (C)opyright 1993,1994,1995 by Darren Reed.
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*
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* Redistribution and use in source and binary forms are permitted
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* provided that this notice is preserved and due credit is given
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* to the original author and the contributors.
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*/
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#include <stdio.h>
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#include <assert.h>
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#include <string.h>
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#if !defined(__SVR4) && !defined(__svr4__)
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#include <strings.h>
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#else
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#include <sys/byteorder.h>
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#endif
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#include <sys/types.h>
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#include <sys/param.h>
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#include <sys/time.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <stddef.h>
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#include <sys/socket.h>
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#include <sys/ioctl.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <netinet/in_systm.h>
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#include <netinet/ip_var.h>
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#include <netinet/ip.h>
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#include <netinet/udp.h>
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#include <netinet/tcp.h>
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#include <netinet/ip_icmp.h>
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#include <netinet/tcpip.h>
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#include <net/if.h>
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#include <netdb.h>
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#include <arpa/nameser.h>
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#include <resolv.h>
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#include "ip_compat.h"
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#include "ip_fil.h"
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#include "ipf.h"
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#include "ipt.h"
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#if !defined(lint) && defined(LIBC_SCCS)
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static char sccsid[] = "@(#)misc.c 1.3 2/4/96 (C) 1995 Darren Reed";
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static char rcsid[] = "$Id: misc.c,v 2.0.2.6 1997/04/30 13:54:24 darrenr Exp $";
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#endif
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extern int opts;
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void printpacket(ip)
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struct ip *ip;
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{
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struct tcphdr *tcp;
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tcp = (struct tcphdr *)((char *)ip + (ip->ip_hl << 2));
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printf("ip %d(%d) %d ", ip->ip_len, ip->ip_hl << 2, ip->ip_p);
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if (ip->ip_off & 0x1fff)
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printf("@%d", ip->ip_off << 3);
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(void)printf(" %s", inet_ntoa(ip->ip_src));
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if (!(ip->ip_off & 0x1fff))
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if (ip->ip_p == IPPROTO_TCP || ip->ip_p == IPPROTO_UDP)
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(void)printf(",%d", ntohs(tcp->th_sport));
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(void)printf(" > ");
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(void)printf("%s", inet_ntoa(ip->ip_dst));
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if (!(ip->ip_off & 0x1fff))
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if (ip->ip_p == IPPROTO_TCP || ip->ip_p == IPPROTO_UDP)
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(void)printf(",%d", ntohs(tcp->th_dport));
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putchar('\n');
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}
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#ifdef __STDC__
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void verbose(char *fmt, ...)
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#else
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void verbose(fmt, va_alist)
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char *fmt;
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va_dcl
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#endif
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{
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va_list pvar;
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va_start(pvar, fmt);
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if (opts & OPT_VERBOSE)
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vprintf(fmt, pvar);
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va_end(pvar);
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}
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#ifdef __STDC__
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void debug(char *fmt, ...)
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#else
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void debug(fmt, va_alist)
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char *fmt;
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va_dcl
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#endif
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{
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va_list pvar;
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va_start(pvar, fmt);
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if (opts & OPT_DEBUG)
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vprintf(fmt, pvar);
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va_end(pvar);
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}
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