X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/abc8c2d61c65757011d9d32abb01cd1e51232f3a..refs/pull/1034/head:/print-ntp.c diff --git a/print-ntp.c b/print-ntp.c index 99c08963..499585fd 100644 --- a/print-ntp.c +++ b/print-ntp.c @@ -38,10 +38,9 @@ #include "netdissect-stdinc.h" -#ifdef HAVE_STRFTIME #include -#endif +#define ND_LONGJMP_FROM_TCHECK #include "netdissect.h" #include "addrtoname.h" #include "extract.h" @@ -246,26 +245,23 @@ ntp_time_print(netdissect_options *ndo, ND_PRINT(", precision %d", GET_S_1(bp->precision)); - ND_TCHECK_SIZE(&bp->root_delay); ND_PRINT("\n\tRoot Delay: "); p_sfix(ndo, &bp->root_delay); - ND_TCHECK_SIZE(&bp->root_dispersion); ND_PRINT(", Root dispersion: "); p_sfix(ndo, &bp->root_dispersion); - ND_TCHECK_4(bp->refid); ND_PRINT(", Reference-ID: "); /* Interpretation depends on stratum */ switch (stratum) { case UNSPECIFIED: ND_PRINT("(unspec)"); + ND_TCHECK_4(bp->refid); break; case PRIM_REF: - if (nd_printn(ndo, (const u_char *)&(bp->refid), 4, ndo->ndo_snapend)) - goto trunc; + nd_printjn(ndo, (const u_char *)&(bp->refid), 4); break; case INFO_QUERY: @@ -285,19 +281,15 @@ ntp_time_print(netdissect_options *ndo, break; } - ND_TCHECK_SIZE(&bp->ref_timestamp); ND_PRINT("\n\t Reference Timestamp: "); p_ntp_time(ndo, &(bp->ref_timestamp)); - ND_TCHECK_SIZE(&bp->org_timestamp); ND_PRINT("\n\t Originator Timestamp: "); p_ntp_time(ndo, &(bp->org_timestamp)); - ND_TCHECK_SIZE(&bp->rec_timestamp); ND_PRINT("\n\t Receive Timestamp: "); p_ntp_time(ndo, &(bp->rec_timestamp)); - ND_TCHECK_SIZE(&bp->xmt_timestamp); ND_PRINT("\n\t Transmit Timestamp: "); p_ntp_time(ndo, &(bp->xmt_timestamp)); @@ -312,7 +304,6 @@ ntp_time_print(netdissect_options *ndo, ND_PRINT("\n\tKey id: %u", GET_BE_U_4(bp->key_id)); } else if (length == NTP_TIMEMSG_MINLEN + 4 + 16) { /* Optional: key-id + 128-bit digest */ ND_PRINT("\n\tKey id: %u", GET_BE_U_4(bp->key_id)); - ND_TCHECK_LEN(bp->message_digest, 16); ND_PRINT("\n\tAuthentication: %08x%08x%08x%08x", GET_BE_U_4(bp->message_digest), GET_BE_U_4(bp->message_digest + 4), @@ -320,7 +311,6 @@ ntp_time_print(netdissect_options *ndo, GET_BE_U_4(bp->message_digest + 12)); } else if (length == NTP_TIMEMSG_MINLEN + 4 + 20) { /* Optional: key-id + 160-bit digest */ ND_PRINT("\n\tKey id: %u", GET_BE_U_4(bp->key_id)); - ND_TCHECK_LEN(bp->message_digest, 20); ND_PRINT("\n\tAuthentication: %08x%08x%08x%08x%08x", GET_BE_U_4(bp->message_digest), GET_BE_U_4(bp->message_digest + 4), @@ -335,10 +325,6 @@ ntp_time_print(netdissect_options *ndo, invalid: nd_print_invalid(ndo); ND_TCHECK_LEN(bp, length); - return; - -trunc: - nd_print_trunc(ndo); } /* @@ -389,10 +375,6 @@ ntp_control_print(netdissect_options *ndo, invalid: nd_print_invalid(ndo); ND_TCHECK_LEN(cd, length); - return; - -trunc: - nd_print_trunc(ndo); } union ntpdata {