X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/e2982e7f6f0b624a773ec5a58885ee80fab46d34..HEAD:/print-vjc.c diff --git a/print-vjc.c b/print-vjc.c index 4a5fe9bd..48a36f10 100644 --- a/print-vjc.c +++ b/print-vjc.c @@ -23,11 +23,9 @@ /* specification: RFC 1144 */ -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif +#include -#include +#include "netdissect-stdinc.h" #include "netdissect.h" #include "extract.h" @@ -77,7 +75,7 @@ * unused argument remind us that we should fix this some day. * * XXX - also, it fetches the TCP checksum field in COMPRESSED_TCP - * packets directly, rather than with EXTRACT_BE_U_2(); RFC 1144 says + * packets with GET_HE_U_2, rather than with GET_BE_U_2(); RFC 1144 says * it's "the unmodified TCP checksum", which would imply that it's * big-endian, but perhaps, on the platform where this was developed, * the packets were munged by the networking stack before being handed @@ -88,7 +86,8 @@ vjc_print(netdissect_options *ndo, const u_char *bp, u_short proto _U_) { int i; - switch (EXTRACT_U_1(bp) & 0xf0) { + ndo->ndo_protocol = "vjc"; + switch (GET_U_1(bp) & 0xf0) { case TYPE_IP: if (ndo->ndo_eflag) ND_PRINT("(vjc type=IP) "); @@ -101,13 +100,13 @@ vjc_print(netdissect_options *ndo, const u_char *bp, u_short proto _U_) if (ndo->ndo_eflag) ND_PRINT("(vjc type=compressed TCP) "); for (i = 0; i < 8; i++) { - if (EXTRACT_U_1(bp + 1) & (0x80 >> i)) + if (GET_U_1(bp + 1) & (0x80 >> i)) ND_PRINT("%c", "?CI?SAWU"[i]); } - if (EXTRACT_U_1(bp + 1)) + if (GET_U_1(bp + 1)) ND_PRINT(" "); - ND_PRINT("C=0x%02x ", EXTRACT_U_1(bp + 2)); - ND_PRINT("sum=0x%04x ", *(const u_short *)(bp + 3)); + ND_PRINT("C=0x%02x ", GET_U_1(bp + 2)); + ND_PRINT("sum=0x%04x ", GET_HE_U_2(bp + 3)); return -1; case TYPE_ERROR: if (ndo->ndo_eflag) @@ -115,7 +114,7 @@ vjc_print(netdissect_options *ndo, const u_char *bp, u_short proto _U_) return -1; default: if (ndo->ndo_eflag) - ND_PRINT("(vjc type=0x%02x) ", EXTRACT_U_1(bp) & 0xf0); + ND_PRINT("(vjc type=0x%02x) ", GET_U_1(bp) & 0xf0); return -1; } }