X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/e2982e7f6f0b624a773ec5a58885ee80fab46d34..c2d6a5db5b15f08b9e858e3fcf1e6847aaebe26b:/print-vjc.c diff --git a/print-vjc.c b/print-vjc.c index 4a5fe9bd..28e4c8e9 100644 --- a/print-vjc.c +++ b/print-vjc.c @@ -24,10 +24,10 @@ /* specification: RFC 1144 */ #ifdef HAVE_CONFIG_H -#include "config.h" +#include #endif -#include +#include "netdissect-stdinc.h" #include "netdissect.h" #include "extract.h" @@ -88,7 +88,9 @@ 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"; + ND_TCHECK_1(bp); + switch (GET_U_1(bp) & 0xf0) { case TYPE_IP: if (ndo->ndo_eflag) ND_PRINT("(vjc type=IP) "); @@ -101,12 +103,15 @@ 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)) + ND_TCHECK_1(bp + 1); + 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_TCHECK_1(bp + 2); + ND_PRINT("C=0x%02x ", GET_U_1(bp + 2)); + ND_TCHECK_2(bp + 3); ND_PRINT("sum=0x%04x ", *(const u_short *)(bp + 3)); return -1; case TYPE_ERROR: @@ -115,7 +120,10 @@ 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; } + +trunc: + return -1; }