X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/b8c56aa09228ee6c59af9bd2565bc66b69ac7943..1bcd37991fa57d9e966a6f96e7cbff59b16c28bd:/print-symantec.c diff --git a/print-symantec.c b/print-symantec.c index 9e9f8f33..8fe0c79f 100644 --- a/print-symantec.c +++ b/print-symantec.c @@ -22,47 +22,45 @@ /* \summary: Symantec Enterprise Firewall printer */ #ifdef HAVE_CONFIG_H -#include "config.h" +#include #endif -#include +#include "netdissect-stdinc.h" #include "netdissect.h" #include "extract.h" #include "ethertype.h" -#include "ether.h" - struct symantec_header { - uint8_t stuff1[6]; - uint16_t ether_type; - uint8_t stuff2[36]; + nd_byte stuff1[6]; + nd_uint16_t ether_type; + nd_byte stuff2[36]; }; -static inline void -symantec_hdr_print(netdissect_options *ndo, register const u_char *bp, u_int length) +static void +symantec_hdr_print(netdissect_options *ndo, const u_char *bp, u_int length) { - register const struct symantec_header *sp; + const struct symantec_header *sp; uint16_t etype; sp = (const struct symantec_header *)bp; - etype = EXTRACT_16BITS(&sp->ether_type); + etype = GET_BE_U_2(sp->ether_type); if (!ndo->ndo_qflag) { - if (etype <= ETHERMTU) - ND_PRINT((ndo, "invalid ethertype %u", etype)); + if (etype <= MAX_ETHERNET_LENGTH_VAL) + ND_PRINT("invalid ethertype %u", etype); else - ND_PRINT((ndo, "ethertype %s (0x%04x)", + ND_PRINT("ethertype %s (0x%04x)", tok2str(ethertype_values,"Unknown", etype), - etype)); + etype); } else { - if (etype <= ETHERMTU) - ND_PRINT((ndo, "invalid ethertype %u", etype)); + if (etype <= MAX_ETHERNET_LENGTH_VAL) + ND_PRINT("invalid ethertype %u", etype); else - ND_PRINT((ndo, "%s", tok2str(ethertype_values,"Unknown Ethertype (0x%04x)", etype))); + ND_PRINT("%s", tok2str(ethertype_values,"Unknown Ethertype (0x%04x)", etype)); } - ND_PRINT((ndo, ", length %u: ", length)); + ND_PRINT(", length %u: ", length); } /* @@ -71,7 +69,7 @@ symantec_hdr_print(netdissect_options *ndo, register const u_char *bp, u_int len * 'h->len' is the length of the packet off the wire, and 'h->caplen' * is the number of bytes actually captured. */ -u_int +void symantec_if_print(netdissect_options *ndo, const struct pcap_pkthdr *h, const u_char *p) { u_int length = h->len; @@ -79,11 +77,14 @@ symantec_if_print(netdissect_options *ndo, const struct pcap_pkthdr *h, const u_ const struct symantec_header *sp; u_short ether_type; + ndo->ndo_protocol = "symantec"; if (caplen < sizeof (struct symantec_header)) { - ND_PRINT((ndo, "[|symantec]")); - return caplen; + ndo->ndo_ll_hdr_len += caplen; + nd_print_trunc(ndo); + return; } + ndo->ndo_ll_hdr_len += sizeof (struct symantec_header); if (ndo->ndo_eflag) symantec_hdr_print(ndo, p, length); @@ -92,9 +93,9 @@ symantec_if_print(netdissect_options *ndo, const struct pcap_pkthdr *h, const u_ sp = (const struct symantec_header *)p; p += sizeof (struct symantec_header); - ether_type = EXTRACT_16BITS(&sp->ether_type); + ether_type = GET_BE_U_2(sp->ether_type); - if (ether_type <= ETHERMTU) { + if (ether_type <= MAX_ETHERNET_LENGTH_VAL) { /* ether_type not known, print raw packet */ if (!ndo->ndo_eflag) symantec_hdr_print(ndo, (const u_char *)sp, length + sizeof (struct symantec_header)); @@ -109,6 +110,4 @@ symantec_if_print(netdissect_options *ndo, const struct pcap_pkthdr *h, const u_ if (!ndo->ndo_suppress_default_print) ND_DEFAULTPRINT(p, caplen); } - - return (sizeof (struct symantec_header)); }