X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/b9ac23ce92ca22483d56ee3192c54aa8f782f9ac..f5c79aedbe9c52dad10a196d805718f55a2be17a:/print-ether.c diff --git a/print-ether.c b/print-ether.c index 1ef7e47b..167c53e2 100644 --- a/print-ether.c +++ b/print-ether.c @@ -20,7 +20,7 @@ */ #ifndef lint static const char rcsid[] = - "@(#) $Header: /tcpdump/master/tcpdump/print-ether.c,v 1.48 1999-11-21 09:36:51 fenner Exp $ (LBL)"; + "@(#) $Header: /tcpdump/master/tcpdump/print-ether.c,v 1.59 2000-10-22 04:17:53 guy Exp $ (LBL)"; #endif #ifdef HAVE_CONFIG_H @@ -31,32 +31,20 @@ static const char rcsid[] = #include #include -#if __STDC__ struct mbuf; struct rtentry; -#endif -#include #include -#include -#include -#include -#include -#include -#include -#include #include #include -#ifdef INET6 -#include -#endif - #include "interface.h" #include "addrtoname.h" #include "ethertype.h" +#include "ether.h" + const u_char *packetp; const u_char *snapend; @@ -97,7 +85,7 @@ ether_if_print(u_char *user, const struct pcap_pkthdr *h, const u_char *p) ts_print(&h->ts); - if (caplen < sizeof(struct ether_header)) { + if (caplen < ETHER_HDRLEN) { printf("[|ether]"); goto out; } @@ -113,10 +101,10 @@ ether_if_print(u_char *user, const struct pcap_pkthdr *h, const u_char *p) packetp = p; snapend = p + caplen; - length -= sizeof(struct ether_header); - caplen -= sizeof(struct ether_header); + length -= ETHER_HDRLEN; + caplen -= ETHER_HDRLEN; ep = (struct ether_header *)p; - p += sizeof(struct ether_header); + p += ETHER_HDRLEN; ether_type = ntohs(ep->ether_type); @@ -140,7 +128,7 @@ ether_if_print(u_char *user, const struct pcap_pkthdr *h, const u_char *p) } else if (ether_encap_print(ether_type, p, length, caplen) == 0) { /* ether_type not known, print raw packet */ if (!eflag) - ether_print((u_char *)ep, length + sizeof(*ep)); + ether_print((u_char *)ep, length + ETHER_HDRLEN); if (!xflag && !qflag) default_print(p, caplen); } @@ -198,30 +186,34 @@ ether_encap_print(u_short ethertype, const u_char *p, aarp_print(p, length); return (1); + case ETHERTYPE_IPX: + ipx_print(p, length); + return (1); + case ETHERTYPE_8021Q: - printf("802.1Q vlan#%d P%d%s", - ntohs(*(unsigned short*)p)&0xFFF, - ntohs(*(unsigned short*)p)>>13, - (ntohs(*(unsigned short*)p)&0x1000) ? " CFI" : ""); - ethertype = ntohs(*(unsigned short*)(p+2)); + printf("802.1Q vlan#%d P%d%s ", + ntohs(*(u_int16_t *)p) & 0xfff, + ntohs(*(u_int16_t *)p) >> 13, + (ntohs(*(u_int16_t *)p) & 0x1000) ? " CFI" : ""); + ethertype = ntohs(*(u_int16_t *)(p + 2)); p += 4; length -= 4; caplen -= 4; - if (ethertype > ETHERMTU) + if (ethertype > ETHERMTU) goto recurse; extracted_ethertype = 0; - if (llc_print(p, length, caplen, p-18, p-12) == 0) { + if (llc_print(p, length, caplen, p - 18, p - 12) == 0) { /* ether_type not known, print raw packet */ if (!eflag) - ether_print(p-18, length+4); + ether_print(p - 18, length + 4); if (extracted_ethertype) { printf("(LLC %s) ", etherproto_string(htons(extracted_ethertype))); } if (!xflag && !qflag) - default_print(p-18, caplen+4); + default_print(p - 18, caplen + 4); } return (1);