X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/0aef9cda5781e238251b7b252efe11e163250e48..1cfd6cd2ac8acecbcf16e083a6cd272a19ec994e:/print-syslog.c diff --git a/print-syslog.c b/print-syslog.c index 87ce1dc7..1610bd6d 100644 --- a/print-syslog.c +++ b/print-syslog.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 1998-2004 Hannes Gredler + * Copyright (c) 1998-2004 Hannes Gredler * The TCPDUMP project * * Redistribution and use in source and binary forms, with or without @@ -14,14 +14,15 @@ * FOR A PARTICULAR PURPOSE. */ -#define NETDISSECT_REWORKED +/* \summary: Syslog protocol printer */ + #ifdef HAVE_CONFIG_H #include "config.h" #endif -#include +#include -#include "interface.h" +#include "netdissect.h" #include "extract.h" static const char tstr[] = "[|syslog]"; @@ -79,9 +80,9 @@ void syslog_print(netdissect_options *ndo, register const u_char *pptr, register u_int len) { - u_int16_t msg_off = 0; - u_int16_t pri = 0; - u_int16_t facility,severity; + uint16_t msg_off = 0; + uint16_t pri = 0; + uint16_t facility,severity; /* extract decimal figures that are * encapsulated within < > tags @@ -89,18 +90,18 @@ syslog_print(netdissect_options *ndo, * severity and facility values */ - ND_TCHECK2(*pptr, 1); - if (*(pptr+msg_off) == '<') { + ND_TCHECK_1(pptr); + if (EXTRACT_U_1(pptr + msg_off) == '<') { msg_off++; - ND_TCHECK2(*(pptr + msg_off), 1); - while ( *(pptr+msg_off) >= '0' && - *(pptr+msg_off) <= '9' && - msg_off <= SYSLOG_MAX_DIGITS) { - pri = pri * 10 + (*(pptr+msg_off) - '0'); + ND_TCHECK_1(pptr + msg_off); + while (msg_off <= SYSLOG_MAX_DIGITS && + EXTRACT_U_1(pptr + msg_off) >= '0' && + EXTRACT_U_1(pptr + msg_off) <= '9') { + pri = pri * 10 + (EXTRACT_U_1(pptr + msg_off) - '0'); msg_off++; - ND_TCHECK2(*(pptr + msg_off), 1); + ND_TCHECK_1(pptr + msg_off); } - if (*(pptr+msg_off) != '>') { + if (EXTRACT_U_1(pptr + msg_off) != '>') { ND_PRINT((ndo, "%s", tstr)); return; } @@ -131,8 +132,8 @@ syslog_print(netdissect_options *ndo, /* print the syslog text in verbose mode */ for (; msg_off < len; msg_off++) { - ND_TCHECK2(*(pptr + msg_off), 1); - safeputchar(ndo, *(pptr + msg_off)); + ND_TCHECK_1(pptr + msg_off); + safeputchar(ndo, EXTRACT_U_1(pptr + msg_off)); } if (ndo->ndo_vflag > 1)