X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/39c8c55aa9ff84244cf558b9a957b78933babf0a..32d1d15c5412b3a708ae2b45ed2016bdab9bb58b:/print-msdp.c diff --git a/print-msdp.c b/print-msdp.c index 91416876..f1769de0 100644 --- a/print-msdp.c +++ b/print-msdp.c @@ -37,14 +37,14 @@ msdp_print(netdissect_options *ndo, const u_char *sp, u_int length) ND_TCHECK_3(sp); /* See if we think we're at the beginning of a compound packet */ - type = *sp; + type = EXTRACT_U_1(sp); len = EXTRACT_BE_U_2(sp + 1); if (len > 1500 || len < 3 || type == 0 || type > MSDP_TYPE_MAX) goto trunc; /* not really truncated, but still not decodable */ ND_PRINT((ndo, " msdp:")); while (length > 0) { ND_TCHECK_3(sp); - type = *sp; + type = EXTRACT_U_1(sp); len = EXTRACT_BE_U_2(sp + 1); if (len > 1400 || ndo->ndo_vflag) ND_PRINT((ndo, " [len %u]", len)); @@ -59,14 +59,15 @@ msdp_print(netdissect_options *ndo, const u_char *sp, u_int length) ND_PRINT((ndo, " SA")); else ND_PRINT((ndo, " SA-Response")); - ND_TCHECK(*sp); - ND_PRINT((ndo, " %u entries", *sp)); - if ((u_int)((*sp * 12) + 8) < len) { + ND_TCHECK_1(sp); + ND_PRINT((ndo, " %u entries", EXTRACT_U_1(sp))); + if ((u_int)((EXTRACT_U_1(sp) * 12) + 8) < len) { ND_PRINT((ndo, " [w/data]")); if (ndo->ndo_vflag > 1) { ND_PRINT((ndo, " ")); - ip_print(ndo, sp + *sp * 12 + 8 - 3, - len - (*sp * 12 + 8)); + ip_print(ndo, sp + + EXTRACT_U_1(sp) * 12 + 8 - 3, + len - (EXTRACT_U_1(sp) * 12 + 8)); } } break;