/* * This is the top level routine of the printer. 'p' points * to the ether header of the packet, 'h->ts' is the timestamp, * 'h->len' is the length of the packet off the wire, and 'h->caplen' * is the number of bytes actually captured. */ u_int symantec_if_print(const struct pcap_pkthdr *h, const u_char *p) { u_int length = h->len; u_int caplen = h->caplen; struct symantec_header *sp; u_short ether_type; if (caplen < sizeof (struct symantec_header)) { printf("[|symantec]"); return caplen; } if (eflag) symantec_hdr_print(p, length); length -= sizeof (struct symantec_header); caplen -= sizeof (struct symantec_header); sp = (struct symantec_header *)p; p += sizeof (struct symantec_header); ether_type = EXTRACT_16BITS(&sp->ether_type); if (ether_type <= ETHERMTU) { /* ether_type not known, print raw packet */ if (!eflag) symantec_hdr_print((u_char *)sp, length + sizeof (struct symantec_header)); if (!suppress_default_print) default_print(p, caplen); } else if (ethertype_print(gndo, ether_type, p, length, caplen) == 0) { /* ether_type not known, print raw packet */ if (!eflag) symantec_hdr_print((u_char *)sp, length + sizeof (struct symantec_header)); if (!suppress_default_print) default_print(p, caplen); } return (sizeof (struct symantec_header)); }
/* * This is the top level routine of the printer. 'p' points * to the ether header of the packet, 'h->ts' is the timestamp, * 'h->len' is the length of the packet off the wire, and 'h->caplen' * is the number of bytes actually captured. */ u_int symantec_if_print(netdissect_options *ndo, const struct pcap_pkthdr *h, const u_char *p) { u_int length = h->len; u_int caplen = h->caplen; struct symantec_header *sp; u_short ether_type; if (caplen < sizeof (struct symantec_header)) { ND_PRINT((ndo, "[|symantec]")); return caplen; } if (ndo->ndo_eflag) symantec_hdr_print(ndo, p, length); length -= sizeof (struct symantec_header); caplen -= sizeof (struct symantec_header); sp = (struct symantec_header *)p; p += sizeof (struct symantec_header); ether_type = EXTRACT_16BITS(&sp->ether_type); if (ether_type <= ETHERMTU) { /* ether_type not known, print raw packet */ if (!ndo->ndo_eflag) symantec_hdr_print(ndo, (u_char *)sp, length + sizeof (struct symantec_header)); if (!ndo->ndo_suppress_default_print) ND_DEFAULTPRINT(p, caplen); } else if (ethertype_print(ndo, ether_type, p, length, caplen) == 0) { /* ether_type not known, print raw packet */ if (!ndo->ndo_eflag) symantec_hdr_print(ndo, (u_char *)sp, length + sizeof (struct symantec_header)); if (!ndo->ndo_suppress_default_print) ND_DEFAULTPRINT(p, caplen); } return (sizeof (struct symantec_header)); }