最新的rsyslog 源码 rsyslog-6.3.0

/* msg.c * The msg object. Implementation of all msg-related functions * * File begun on 2007-07-13 by RGerhards (extracted from syslogd.c) * This file is under development and has not yet arrived at being fully * self-contained and a real object. So far, it is mostly an excerpt * of the "old" message code without any modifications. However, it * helps to have things at the right place one we go to the meat of it. * * Copyright 2007, 2008 Rainer Gerhards and Adiscon GmbH. * * This file is part of the rsyslog runtime library. * * The rsyslog runtime library is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * The rsyslog runtime library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with the rsyslog runtime library. If not, see <http://www.gnu.org/licenses/>. * * A copy of the GPL can be found in the file "COPYING" in this distribution. * A copy of the LGPL can be found in the file "COPYING.LESSER" in this distribution. */ #include "config.h" #include <stdio.h> #include <stdarg.h> #include <stdlib.h> #define SYSLOG_NAMES #include <string.h> #include <assert.h> #include <ctype.h> #include <sys/socket.h> #include <netdb.h> #include <libee/libee.h> #if HAVE_MALLOC_H # include <malloc.h> #endif #include "rsyslog.h" #include "srUtils.h" #include "stringbuf.h" #include "template.h" #include "msg.h" #include "var.h" #include "datetime.h" #include "glbl.h" #include "regexp.h" #include "atomic.h" #include "unicode-helper.h" #include "ruleset.h" #include "prop.h" #include "net.h" /* static data */ DEFobjStaticHelpers DEFobjCurrIf(var) DEFobjCurrIf(datetime) DEFobjCurrIf(glbl) DEFobjCurrIf(regexp) DEFobjCurrIf(prop) DEFobjCurrIf(net) static struct { uchar *pszName; short lenName; } syslog_pri_names[192] = { { UCHAR_CONSTANT("0"), 3}, { UCHAR_CONSTANT("1"), 3}, { UCHAR_CONSTANT("2"), 3}, { UCHAR_CONSTANT("3"), 3}, { UCHAR_CONSTANT("4"), 3}, { UCHAR_CONSTANT("5"), 3}, { UCHAR_CONSTANT("6"), 3}, { UCHAR_CONSTANT("7"), 3}, { UCHAR_CONSTANT("8"), 3}, { UCHAR_CONSTANT("9"), 3}, { UCHAR_CONSTANT("10"), 4}, { UCHAR_CONSTANT("11"), 4}, { UCHAR_CONSTANT("12"), 4}, { UCHAR_CONSTANT("13"), 4}, { UCHAR_CONSTANT("14"), 4}, { UCHAR_CONSTANT("15"), 4}, { UCHAR_CONSTANT("16"), 4}, { UCHAR_CONSTANT("17"), 4}, { UCHAR_CONSTANT("18"), 4}, { UCHAR_CONSTANT("19"), 4}, { UCHAR_CONSTANT("20"), 4}, { UCHAR_CONSTANT("21"), 4}, { UCHAR_CONSTANT("22"), 4}, { UCHAR_CONSTANT("23"), 4}, { UCHAR_CONSTANT("24"), 4}, { UCHAR_CONSTANT("25"), 4}, { UCHAR_CONSTANT("26"), 4}, { UCHAR_CONSTANT("27"), 4}, { UCHAR_CONSTANT("28"), 4}, { UCHAR_CONSTANT("29"), 4}, { UCHAR_CONSTANT("30"), 4}, { UCHAR_CONSTANT("31"), 4}, { UCHAR_CONSTANT("32"), 4}, { UCHAR_CONSTANT("33"), 4}, { UCHAR_CONSTANT("34"), 4}, { UCHAR_CONSTANT("35"), 4}, { UCHAR_CONSTANT("36"), 4}, { UCHAR_CONSTANT("37"), 4}, { UCHAR_CONSTANT("38"), 4}, { UCHAR_CONSTANT("39"), 4}, { UCHAR_CONSTANT("40"), 4}, { UCHAR_CONSTANT("41"), 4}, { UCHAR_CONSTANT("42"), 4}, { UCHAR_CONSTANT("43"), 4}, { UCHAR_CONSTANT("44"), 4}, { UCHAR_CONSTANT("45"), 4}, { UCHAR_CONSTANT("46"), 4}, { UCHAR_CONSTANT("47"), 4}, { UCHAR_CONSTANT("48"), 4}, { UCHAR_CONSTANT("49"), 4}, { UCHAR_CONSTANT("50"), 4}, { UCHAR_CONSTANT("51"), 4}, { UCHAR_CONSTANT("52"), 4}, { UCHAR_CONSTANT("53"), 4}, { UCHAR_CONSTANT("54"), 4}, { UCHAR_CONSTANT("55"), 4}, { UCHAR_CONSTANT("56"), 4}, { UCHAR_CONSTANT("57"), 4}, { UCHAR_CONSTANT("58"), 4}, { UCHAR_CONSTANT("59"), 4}, { UCHAR_CONSTANT("60"), 4}, { UCHAR_CONSTANT("61"), 4}, { UCHAR_CONSTANT("62"), 4}, { UCHAR_CONSTANT("63"), 4}, { UCHAR_CONSTANT("64"), 4}, { UCHAR_CONSTANT("65"), 4}, { UCHAR_CONSTANT("66"), 4}, { UCHAR_CONSTANT("67"), 4}, { UCHAR_CONSTANT("68"), 4}, { UCHAR_CONSTANT("69"), 4}, { UCHAR_CONSTANT("70"), 4}, { UCHAR_CONSTANT("71"), 4}, { UCHAR_CONSTANT("72"), 4}, { UCHAR_CONSTANT("73"), 4}, { UCHAR_CONSTANT("74"), 4}, { UCHAR_CONSTANT("75"), 4}, { UCHAR_CONSTANT("76"), 4}, { UCHAR_CONSTANT("77"), 4}, { UCHAR_CONSTANT("78"), 4}, { UCHAR_CONSTANT("79"), 4}, { UCHAR_CONSTANT("80"), 4}, { UCHAR_CONSTANT("81"), 4}, { UCHAR_CONSTANT("82"), 4}, { UCHAR_CONSTANT("83"), 4}, { UCHAR_CONSTANT("84"), 4}, { UCHAR_CONSTANT("85"), 4}, { UCHAR_CONSTANT("86"), 4}, { UCHAR_CONSTANT("87"), 4}, { UCHAR_CONSTANT("88"), 4}, { UCHAR_CONSTANT("89"), 4}, { UCHAR_CONSTANT("90"), 4}, { UCHAR_CONSTANT("91"), 4}, { UCHAR_CONSTANT("92"), 4}, { UCHAR_CONSTANT("93"), 4}, { UCHAR_CONSTANT("94"), 4}, { UCHAR_CONSTANT("95"), 4}, { UCHAR_CONSTANT("96"), 4}, { UCHAR_CONSTANT("97"), 4}, { UCHAR_CONSTANT("98"), 4}, { UCHAR_CONSTANT("99"), 4}, { UCHAR_CONSTANT("100"), 5}, { UCHAR_CONSTANT("101"), 5}, { UCHAR_CONSTANT("102"), 5}, { UCHAR_CONSTANT("103"), 5}, { UCHAR_CONSTANT("104"), 5}, { UCHAR_CONSTANT("105"), 5}, { UCHAR_CONSTANT("106"), 5}, { UCHAR_CONSTANT("107"), 5}, { UCHAR_CONSTANT("108"), 5}, { UCHAR_CONSTANT("109"), 5}, { UCHAR_CONSTANT("110"), 5}, { UCHAR_CONSTANT("111"), 5}, { UCHAR_CONSTANT("112"), 5}, { UCHAR_CONSTANT("113"), 5}, { UCHAR_CONSTANT("114"), 5}, { UCHAR_CONSTANT("115"), 5}, { UCHAR_CONSTANT("116"), 5}, { UCHAR_CONSTANT("117"), 5}, { UCHAR_CONSTANT("118"), 5}, { UCHAR_CONSTANT("119"), 5}, { UCHAR_CONSTANT("120"), 5}, { UCHAR_CONSTANT("121"), 5}, { UCHAR_CONSTANT("122"), 5}, { UCHAR_CONSTANT("123"), 5}, { UCHAR_CONSTANT("124"), 5}, { UCHAR_CONSTANT("125"), 5}, { UCHAR_CONSTANT("126"), 5}, { UCHAR_CONSTANT("127"), 5}, { UCHAR_CONSTANT("128"), 5}, { UCHAR_CONSTANT("129"), 5}, { UCHAR_CONSTANT("130"), 5}, { UCHAR_CONSTANT("131"), 5}, { UCHAR_CONSTANT("132"), 5}, { UCHAR_CONSTANT("133"), 5}, { UCHAR_CONSTANT("134"), 5}, { UCHAR_CONSTANT("135"), 5}, { UCHAR_CONSTANT("136"), 5}, { UCHAR_CONSTANT("137"), 5}, { UCHAR_CONSTANT("138"), 5}, { UCHAR_CONSTANT("139"), 5}, { UCHAR_CONSTANT("140"), 5}, { UCHAR_CONSTANT("141"), 5}, { UCHAR_CONSTANT("142"), 5}, { UCHAR_CONSTANT("143"), 5}, { UCHAR_CONSTANT("144"), 5}, { UCHAR_CONSTANT("145"), 5}, { UCHAR_CONSTANT("146"), 5}, { UCHAR_CONSTANT("147"), 5}, { UCHAR_CONSTANT("148"), 5}, { UCHAR_CONSTANT("149"), 5}, { UCHAR_CONSTANT("150"), 5}, { UCHAR_CONSTANT("151"), 5}, { UCHAR_CONSTANT("152"), 5}, { UCHAR_CONSTANT("153"), 5}, { UCHAR_CONSTANT("154"), 5}, { UCHAR_CONSTANT("155"), 5}, { UCHAR_CONSTANT("156"), 5}, { UCHAR_CONSTANT("157"), 5}, { UCHAR_CONSTANT("158"), 5}, { UCHAR_CONSTANT("159"), 5}, { UCHAR_CONSTANT("160"), 5}, { UCHAR_CONSTANT("161"), 5}, { UCHAR_CONSTANT("162"), 5}, { UCHAR_CONSTANT("163"), 5}, { UCHAR_CONSTANT("164"), 5}, { UCHAR_CONSTANT("165"), 5}, { UCHAR_CONSTANT("166"), 5}, { UCHAR_CONSTANT("167"), 5}, { UCHAR_CONSTANT("168"), 5}, { UCHAR_CONSTANT("169"), 5}, { UCHAR_CONSTANT("170"), 5}, { UCHAR_CONSTANT("171"), 5}, { UCHAR_CONSTANT("172"), 5}, { UCHAR_CONSTANT("173"), 5}, { UCHAR_CONSTANT("174"), 5}, { UCHAR_CONSTANT("175"), 5}, { UCHAR_CONSTANT("176"), 5}, { UCHAR_CONSTANT("177"), 5}, { UCHAR_CONSTANT("178"), 5}, { UCHAR_CONSTANT("179"), 5}, { UCHAR_CONSTANT("180"), 5}, { UCHAR_CONSTANT("181"), 5}, { UCHAR_CONSTANT("182"), 5}, { UCHAR_CONSTANT("183"), 5}, { UCHAR_CONSTANT("184"), 5}, { UCHAR_CONSTANT("185"), 5}, { UCHAR_CONSTANT("186"), 5}, { UCHAR_CONSTANT("187"), 5}, { UCHAR_CONSTANT("188"), 5}, { UCHAR_CONSTANT("189"), 5}, { UCHAR_CONSTANT("190"), 5}, { UCHAR_CONSTANT("191"), 5} }; /*syslog facility names (as of RFC5424) */ static char *syslog_fac_names[24] = { "kern", "user", "mail", "daemon", "auth", "s