X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/32e24ead3b2a171e5f5eff50d7231c2514eda9b4..refs/pull/1034/head:/print-tftp.c diff --git a/print-tftp.c b/print-tftp.c index 2630e554..39fc6964 100644 --- a/print-tftp.c +++ b/print-tftp.c @@ -27,8 +27,6 @@ #include "netdissect-stdinc.h" -#include - #include "netdissect.h" #include "extract.h" @@ -95,16 +93,18 @@ tftp_print(netdissect_options *ndo, u_int ui; ndo->ndo_protocol = "tftp"; + + /* Print protocol */ + nd_print_protocol_caps(ndo); /* Print length */ - ND_PRINT(" %u", length); + ND_PRINT(", length %u", length); /* Print tftp request type */ if (length < 2) goto trunc; - ND_TCHECK_2(bp); - opcode = EXTRACT_BE_U_2(bp); + opcode = GET_BE_U_2(bp); cp = tok2str(op2str, "tftp-#%u", opcode); - ND_PRINT(" %s", cp); + ND_PRINT(", %s", cp); /* Bail if bogus opcode */ if (*cp == 't') return; @@ -139,8 +139,7 @@ tftp_print(netdissect_options *ndo, /* Print options, if any */ while (length != 0) { - ND_TCHECK_1(bp); - if (EXTRACT_U_1(bp) != '\0') + if (GET_U_1(bp) != '\0') ND_PRINT(" "); ui = nd_printztn(ndo, bp, length, ndo->ndo_snapend); if (ui == 0) @@ -153,8 +152,7 @@ tftp_print(netdissect_options *ndo, case OACK: /* Print options */ while (length != 0) { - ND_TCHECK_1(bp); - if (EXTRACT_U_1(bp) != '\0') + if (GET_U_1(bp) != '\0') ND_PRINT(" "); ui = nd_printztn(ndo, bp, length, ndo->ndo_snapend); if (ui == 0) @@ -168,17 +166,15 @@ tftp_print(netdissect_options *ndo, case DATA: if (length < 2) goto trunc; /* no block number */ - ND_TCHECK_2(bp); - ND_PRINT(" block %u", EXTRACT_BE_U_2(bp)); + ND_PRINT(" block %u", GET_BE_U_2(bp)); break; case TFTP_ERROR: /* Print error code string */ if (length < 2) goto trunc; /* no error code */ - ND_TCHECK_2(bp); ND_PRINT(" %s", tok2str(err2str, "tftp-err-#%u \"", - EXTRACT_BE_U_2(bp))); + GET_BE_U_2(bp))); bp += 2; length -= 2; /* Print error message string */ @@ -199,5 +195,4 @@ tftp_print(netdissect_options *ndo, return; trunc: nd_print_trunc(ndo); - return; }