X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/2122c3a243089426fb4a31733f2abf78d3ba941a..9fcec3cada18c2523fb0589a0239ecfc7f586c90:/print-ether.c diff --git a/print-ether.c b/print-ether.c index 5607bfc3..fd41e9a7 100644 --- a/print-ether.c +++ b/print-ether.c @@ -21,9 +21,7 @@ /* \summary: Ethernet printer */ -#ifdef HAVE_CONFIG_H #include -#endif #include "netdissect-stdinc.h" @@ -37,8 +35,8 @@ * Structure of an Ethernet header. */ struct ether_header { - nd_mac_addr ether_dhost; - nd_mac_addr ether_shost; + nd_mac48 ether_dhost; + nd_mac48 ether_shost; nd_uint16_t ether_length_type; }; @@ -112,7 +110,7 @@ ether_addresses_print(netdissect_options *ndo, const u_char *src, const u_char *dst) { ND_PRINT("%s > %s, ", - GET_ETHERADDR_STRING(src), GET_ETHERADDR_STRING(dst)); + GET_MAC48_STRING(src), GET_MAC48_STRING(dst)); } static void @@ -171,14 +169,14 @@ ether_common_print(netdissect_options *ndo, const u_char *p, u_int length, */ ehp = (const struct ether_header *)p; src.addr = ehp->ether_shost; - src.addr_string = etheraddr_string; + src.addr_string = mac48_string; dst.addr = ehp->ether_dhost; - dst.addr_string = etheraddr_string; + dst.addr_string = mac48_string; - length -= 2*MAC_ADDR_LEN; - caplen -= 2*MAC_ADDR_LEN; - p += 2*MAC_ADDR_LEN; - hdrlen = 2*MAC_ADDR_LEN; + length -= 2*MAC48_LEN; + caplen -= 2*MAC48_LEN; + p += 2*MAC48_LEN; + hdrlen = 2*MAC48_LEN; if (ndo->ndo_eflag) ether_addresses_print(ndo, src.addr, dst.addr); @@ -306,7 +304,10 @@ recurse: * Cut off the snapshot length to the end of the * payload. */ - nd_push_snapend(ndo, p + length); + if (!nd_push_snaplen(ndo, p, length)) { + (*ndo->ndo_error)(ndo, S_ERR_ND_MEM_ALLOC, + "%s: can't push snaplen on buffer stack", __func__); + } if (ndo->ndo_eflag) { ND_PRINT("802.3"); @@ -409,7 +410,7 @@ invalid: } /* - * Print an Ethernet frame while specyfing a non-standard Ethernet header + * Print an Ethernet frame while specifying a non-standard Ethernet header * length. * This might be encapsulated within another frame; we might be passed * a pointer to a function that can print header information for that