X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/fe3253b9b8fad9e75f863157eba0780418182f17..refs/pull/482/head:/print-cip.c?ds=sidebyside diff --git a/print-cip.c b/print-cip.c index 82e1de65..2ea50bc0 100644 --- a/print-cip.c +++ b/print-cip.c @@ -26,15 +26,10 @@ #include -#include +#include -#include -#include - -#include "interface.h" +#include "netdissect.h" #include "addrtoname.h" -#include "ethertype.h" -#include "ether.h" #define RFC1483LLC_LEN 8 @@ -47,12 +42,12 @@ static const unsigned char rfcllc[] = { 0x00 }; static inline void -cip_print(int length) +cip_print(netdissect_options *ndo, int length) { /* * There is no MAC-layer header, so just print the length. */ - printf("%d: ", length); + ND_PRINT((ndo, "%d: ", length)); } /* @@ -62,44 +57,40 @@ cip_print(int length) * is the number of bytes actually captured. */ u_int -cip_if_print(const struct pcap_pkthdr *h, const u_char *p) +cip_if_print(netdissect_options *ndo, const struct pcap_pkthdr *h, const u_char *p) { u_int caplen = h->caplen; u_int length = h->len; - u_short extracted_ethertype; + int llc_hdrlen; if (memcmp(rfcllc, p, sizeof(rfcllc))==0 && caplen < RFC1483LLC_LEN) { - printf("[|cip]"); + ND_PRINT((ndo, "[|cip]")); return (0); } - if (eflag) - cip_print(length); + if (ndo->ndo_eflag) + cip_print(ndo, length); if (memcmp(rfcllc, p, sizeof(rfcllc)) == 0) { /* * LLC header is present. Try to print it & higher layers. */ - if (llc_print(p, length, caplen, NULL, NULL, - &extracted_ethertype) == 0) { - /* ether_type not known, print raw packet */ - if (!eflag) - cip_print(length); - if (extracted_ethertype) { - printf("(LLC %s) ", - etherproto_string(htons(extracted_ethertype))); - } - if (!suppress_default_print) - default_print(p, caplen); + llc_hdrlen = llc_print(ndo, p, length, caplen, NULL, NULL); + if (llc_hdrlen < 0) { + /* packet type not known, print raw packet */ + if (!ndo->ndo_suppress_default_print) + ND_DEFAULTPRINT(p, caplen); + llc_hdrlen = -llc_hdrlen; } } else { /* * LLC header is absent; treat it as just IP. */ - ip_print(gndo, p, length); + llc_hdrlen = 0; + ip_print(ndo, p, length); } - return (0); + return (llc_hdrlen); }