X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/99c91c3aec40b691641374f58e798bd8d6b657bd..c2d6a5db5b15f08b9e858e3fcf1e6847aaebe26b:/print-ipnet.c diff --git a/print-ipnet.c b/print-ipnet.c index 7fb2e77a..7c6a301b 100644 --- a/print-ipnet.c +++ b/print-ipnet.c @@ -1,20 +1,24 @@ +/* \summary: Solaris DLT_IPNET printer */ + #ifdef HAVE_CONFIG_H -#include "config.h" +#include #endif -#include +#include "netdissect-stdinc.h" #include "netdissect.h" +#include "extract.h" + typedef struct ipnet_hdr { - uint8_t iph_version; - uint8_t iph_family; - uint16_t iph_htype; - uint32_t iph_pktlen; - uint32_t iph_ifindex; - uint32_t iph_grifindex; - uint32_t iph_zsrc; - uint32_t iph_zdst; + nd_uint8_t iph_version; + nd_uint8_t iph_family; + nd_uint16_t iph_htype; + nd_uint32_t iph_pktlen; + nd_uint32_t iph_ifindex; + nd_uint32_t iph_grifindex; + nd_uint32_t iph_zsrc; + nd_uint32_t iph_zdst; } ipnet_hdr_t; #define IPH_AF_INET 2 /* Matches Solaris's AF_INET */ @@ -28,27 +32,32 @@ static const struct tok ipnet_values[] = { { 0, NULL } }; -static inline void +static void ipnet_hdr_print(netdissect_options *ndo, const u_char *bp, u_int length) { const ipnet_hdr_t *hdr; hdr = (const ipnet_hdr_t *)bp; - ND_PRINT((ndo, "%d > %d", hdr->iph_zsrc, hdr->iph_zdst)); + ND_TCHECK_SIZE(hdr); + ND_PRINT("%u > %u", GET_BE_U_4(hdr->iph_zsrc), + GET_BE_U_4(hdr->iph_zdst)); if (!ndo->ndo_qflag) { - ND_PRINT((ndo,", family %s (%d)", + ND_PRINT(", family %s (%u)", tok2str(ipnet_values, "Unknown", - hdr->iph_family), - hdr->iph_family)); + GET_U_1(hdr->iph_family)), + GET_U_1(hdr->iph_family)); } else { - ND_PRINT((ndo,", %s", + ND_PRINT(", %s", tok2str(ipnet_values, "Unknown Ethertype (0x%04x)", - hdr->iph_family))); + GET_U_1(hdr->iph_family))); } - ND_PRINT((ndo, ", length %u: ", length)); + ND_PRINT(", length %u: ", length); + return; +trunc: + nd_print_trunc(ndo); } static void @@ -56,10 +65,9 @@ ipnet_print(netdissect_options *ndo, const u_char *p, u_int length, u_int caplen { const ipnet_hdr_t *hdr; - if (caplen < sizeof(ipnet_hdr_t)) { - ND_PRINT((ndo, "[|ipnet]")); - return; - } + ndo->ndo_protocol = "ipnet"; + if (caplen < sizeof(ipnet_hdr_t)) + goto trunc; if (ndo->ndo_eflag) ipnet_hdr_print(ndo, p, length); @@ -69,7 +77,8 @@ ipnet_print(netdissect_options *ndo, const u_char *p, u_int length, u_int caplen hdr = (const ipnet_hdr_t *)p; p += sizeof(ipnet_hdr_t); - switch (hdr->iph_family) { + ND_TCHECK_1(hdr->iph_family); + switch (GET_U_1(hdr->iph_family)) { case IPH_AF_INET: ip_print(ndo, p, length); @@ -88,6 +97,9 @@ ipnet_print(netdissect_options *ndo, const u_char *p, u_int length, u_int caplen ND_DEFAULTPRINT(p, caplen); break; } + return; +trunc: + nd_print_trunc(ndo); } /* @@ -100,16 +112,9 @@ u_int ipnet_if_print(netdissect_options *ndo, const struct pcap_pkthdr *h, const u_char *p) { + ndo->ndo_protocol = "ipnet_if"; ipnet_print(ndo, p, h->len, h->caplen); return (sizeof(ipnet_hdr_t)); } - -/* - * Local Variables: - * c-style: whitesmith - * c-basic-offset: 8 - * End: - */ - #endif /* DLT_IPNET */