X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/64e53f90cad4d7c7126ea709e215c140624b1dac..c2d6a5db5b15f08b9e858e3fcf1e6847aaebe26b:/print-syslog.c diff --git a/print-syslog.c b/print-syslog.c index 87ce1dc7..ede1d6ba 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 @@ -14,17 +14,17 @@ * FOR A PARTICULAR PURPOSE. */ -#define NETDISSECT_REWORKED +/* \summary: Syslog protocol printer */ + #ifdef HAVE_CONFIG_H -#include "config.h" +#include #endif -#include +#include "netdissect-stdinc.h" -#include "interface.h" +#include "netdissect.h" #include "extract.h" -static const char tstr[] = "[|syslog]"; /* * tokenlists and #defines taken from Ethereal - Network traffic analyzer @@ -33,7 +33,7 @@ static const char tstr[] = "[|syslog]"; #define SYSLOG_SEVERITY_MASK 0x0007 /* 0000 0000 0000 0111 */ #define SYSLOG_FACILITY_MASK 0x03f8 /* 0000 0011 1111 1000 */ -#define SYSLOG_MAX_DIGITS 3 /* The maximum number if priority digits to read in. */ +#define SYSLOG_MAX_DIGITS 3 /* The maximum number of priority digits to read in. */ static const struct tok syslog_severity_values[] = { { 0, "emergency" }, @@ -77,36 +77,37 @@ static const struct tok syslog_facility_values[] = { void syslog_print(netdissect_options *ndo, - register const u_char *pptr, register u_int len) + const u_char *pptr, 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; + ndo->ndo_protocol = "syslog"; /* extract decimal figures that are * encapsulated within < > tags * based on this decimal figure extract the * severity and facility values */ - ND_TCHECK2(*pptr, 1); - if (*(pptr+msg_off) == '<') { + ND_TCHECK_1(pptr); + if (GET_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 && + GET_U_1(pptr + msg_off) >= '0' && + GET_U_1(pptr + msg_off) <= '9') { + pri = pri * 10 + (GET_U_1(pptr + msg_off) - '0'); msg_off++; - ND_TCHECK2(*(pptr + msg_off), 1); + ND_TCHECK_1(pptr + msg_off); } - if (*(pptr+msg_off) != '>') { - ND_PRINT((ndo, "%s", tstr)); + if (GET_U_1(pptr + msg_off) != '>') { + nd_print_trunc(ndo); return; } msg_off++; } else { - ND_PRINT((ndo, "%s", tstr)); + nd_print_trunc(ndo); return; } @@ -115,24 +116,24 @@ syslog_print(netdissect_options *ndo, if (ndo->ndo_vflag < 1 ) { - ND_PRINT((ndo, "SYSLOG %s.%s, length: %u", + ND_PRINT("SYSLOG %s.%s, length: %u", tok2str(syslog_facility_values, "unknown (%u)", facility), tok2str(syslog_severity_values, "unknown (%u)", severity), - len)); + len); return; } - ND_PRINT((ndo, "SYSLOG, length: %u\n\tFacility %s (%u), Severity %s (%u)\n\tMsg: ", + ND_PRINT("SYSLOG, length: %u\n\tFacility %s (%u), Severity %s (%u)\n\tMsg: ", len, tok2str(syslog_facility_values, "unknown (%u)", facility), facility, tok2str(syslog_severity_values, "unknown (%u)", severity), - severity)); + severity); /* 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); + fn_print_char(ndo, GET_U_1(pptr + msg_off)); } if (ndo->ndo_vflag > 1) @@ -141,5 +142,5 @@ syslog_print(netdissect_options *ndo, return; trunc: - ND_PRINT((ndo, "%s", tstr)); + nd_print_trunc(ndo); }