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587 lines
22 KiB
587 lines
22 KiB
4 years ago
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/***************************************************************************/
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/* */
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/* Project: OpenSLP - OpenSource implementation of Service Location */
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/* Protocol Version 2 */
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/* */
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/* File: slpd_log.c */
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/* */
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/* Abstract: slpd logging functions */
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/* */
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/* WARNING: NOT thread safe! */
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/* */
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/*-------------------------------------------------------------------------*/
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/* */
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/* Please submit patches to http://www.openslp.org */
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/* */
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/*-------------------------------------------------------------------------*/
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/* */
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/* Copyright (C) 2000 Caldera Systems, Inc */
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/* All rights reserved. */
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/* */
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/* Redistribution and use in source and binary forms, with or without */
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/* modification, are permitted provided that the following conditions are */
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/* met: */
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/* */
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/* Redistributions of source code must retain the above copyright */
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/* notice, this list of conditions and the following disclaimer. */
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/* */
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/* Redistributions in binary form must reproduce the above copyright */
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/* notice, this list of conditions and the following disclaimer in */
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/* the documentation and/or other materials provided with the */
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/* distribution. */
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/* */
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/* Neither the name of Caldera Systems nor the names of its */
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/* contributors may be used to endorse or promote products derived */
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/* from this software without specific prior written permission. */
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/* */
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/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS */
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/* `AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT */
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/* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR */
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/* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE CALDERA */
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/* SYSTEMS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, */
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/* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT */
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/* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, */
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/* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON */
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/* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */
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/* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE */
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/* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
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/* */
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/***************************************************************************/
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/*=========================================================================*/
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/* slpd includes */
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/*=========================================================================*/
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#include "slpd_log.h"
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#include "slpd_property.h"
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#include <time.h>
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/********************************************/
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/* TODO: Make these functions thread safe!! */
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/********************************************/
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/*=========================================================================*/
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static FILE* G_SlpdLogFile = 0;
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/*=========================================================================*/
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/*=========================================================================*/
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int SLPDLogFileOpen(const char* path, int append)
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/* Prepares the file at the specified path as the log file. */
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/* */
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/* path - (IN) the path to the log file. If path is the empty string */
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/* (""), then we log to stdout. */
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/* */
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/* append - (IN) if zero log file will be truncated. */
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/* */
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/* Returns - zero on success. errno on failure. */
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/*=========================================================================*/
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{
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if (G_SlpdLogFile)
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{
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/* logfile was already open close it */
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fclose(G_SlpdLogFile);
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}
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if (*path == 0)
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{
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/* Log to console. */
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G_SlpdLogFile = stdout;
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}
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else
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{
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/* Log to file. */
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#ifndef _WIN32
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/* only owner can read/write */
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umask(0077);
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#endif
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if (append)
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{
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G_SlpdLogFile = fopen(path,"a");
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}
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else
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{
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G_SlpdLogFile = fopen(path,"w");
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}
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if (G_SlpdLogFile == 0)
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{
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/* could not open the log file */
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return -1;
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}
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}
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return 0;
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}
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#ifdef DEBUG
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/*=========================================================================*/
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int SLPDLogFileClose()
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/* Releases resources associated with the log file */
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/*=========================================================================*/
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{
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fclose(G_SlpdLogFile);
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return 0;
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}
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#endif
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/*=========================================================================*/
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void SLPDLog(const char* msg, ...)
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/* Logs a message */
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/*=========================================================================*/
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{
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va_list ap;
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if (G_SlpdLogFile)
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{
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va_start(ap,msg);
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vfprintf(G_SlpdLogFile,msg,ap);
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va_end(ap);
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fflush(G_SlpdLogFile);
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}
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}
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/*=========================================================================*/
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void SLPDFatal(const char* msg, ...)
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/* Logs a message and halts the process */
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/*=========================================================================*/
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{
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va_list ap;
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if (G_SlpdLogFile)
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{
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fprintf(G_SlpdLogFile,"A FATAL Error has occured:\n");
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va_start(ap,msg);
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vfprintf(G_SlpdLogFile,msg,ap);
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va_end(ap);
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fflush(G_SlpdLogFile);
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}
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else
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{
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fprintf(stderr,"A FATAL Error has occured:\n");
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va_start(ap,msg);
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vprintf(msg,ap);
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va_end(ap);
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}
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exit(1);
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}
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/*=========================================================================*/
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void SLPDLogBuffer(const char* prefix, int bufsize, const char* buf)
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/* Writes a buffer to the logfile */
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/*=========================================================================*/
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{
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if (G_SlpdLogFile)
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{
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fprintf(G_SlpdLogFile,"%s",prefix);
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fwrite(buf,bufsize,1,G_SlpdLogFile);
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fprintf(G_SlpdLogFile,"\n");
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fflush(G_SlpdLogFile);
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}
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}
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/*=========================================================================*/
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void SLPDLogTime()
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/* Logs a timestamp */
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/*=========================================================================*/
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{
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time_t curtime = time(NULL);
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SLPDLog("%s",ctime(&curtime));
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}
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/*-------------------------------------------------------------------------*/
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void SLPDLogSrvRqstMessage(SLPSrvRqst* srvrqst)
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/*-------------------------------------------------------------------------*/
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{
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SLPDLog("Message SRVRQST:\n");
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SLPDLogBuffer(" srvtype = ", srvrqst->srvtypelen, srvrqst->srvtype);
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SLPDLogBuffer(" scopelist = ", srvrqst->scopelistlen, srvrqst->scopelist);
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SLPDLogBuffer(" predicate = ", srvrqst->predicatelen, srvrqst->predicate);
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}
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/*-------------------------------------------------------------------------*/
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void SLPDLogSrvRplyMessage(SLPSrvRply* srvrply)
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/*-------------------------------------------------------------------------*/
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{
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SLPDLog("Message SRVRPLY:\n");
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SLPDLog(" errorcode = %i\n",srvrply->errorcode);
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}
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/*-------------------------------------------------------------------------*/
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void SLPDLogSrvRegMessage(SLPSrvReg* srvreg)
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/*-------------------------------------------------------------------------*/
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{
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SLPDLog("Message SRVREG:\n");
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SLPDLogBuffer(" srvtype = ", srvreg->srvtypelen, srvreg->srvtype);
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SLPDLogBuffer(" scope = ", srvreg->scopelistlen, srvreg->scopelist);
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SLPDLogBuffer(" url = ", srvreg->urlentry.urllen, srvreg->urlentry.url);
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SLPDLogBuffer(" attributes = ", srvreg->attrlistlen, srvreg->attrlist);
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}
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/*-------------------------------------------------------------------------*/
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void SLPDLogSrvDeRegMessage(SLPSrvDeReg* srvdereg)
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/*-------------------------------------------------------------------------*/
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{
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SLPDLog("Message SRVDEREG:\n");
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SLPDLogBuffer(" scope = ", srvdereg->scopelistlen, srvdereg->scopelist);
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SLPDLogBuffer(" url = ", srvdereg->urlentry.urllen, srvdereg->urlentry.url);
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}
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/*-------------------------------------------------------------------------*/
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void SLPDLogSrvAckMessage(SLPSrvAck* srvack)
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/*-------------------------------------------------------------------------*/
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{
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SLPDLog("Message SRVACK:\n");
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SLPDLog(" errorcode = %i\n",srvack->errorcode);
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}
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/*-------------------------------------------------------------------------*/
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void SLPDLogAttrRqstMessage(SLPAttrRqst* attrrqst)
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/*-------------------------------------------------------------------------*/
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{
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SLPDLog("Message ATTRRQST:\n");
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SLPDLogBuffer(" scope = ", attrrqst->scopelistlen, attrrqst->scopelist);
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SLPDLogBuffer(" url = ", attrrqst->urllen, attrrqst->url);
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}
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/*-------------------------------------------------------------------------*/
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void SLPDLogAttrRplyMessage(SLPAttrRply* attrrply)
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/*-------------------------------------------------------------------------*/
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{
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SLPDLog("Message ATTRRPLY:\n");
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SLPDLog(" errorcode = %i\n",attrrply->errorcode);
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}
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/*-------------------------------------------------------------------------*/
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void SLPDLogDAAdvertMessage(SLPDAAdvert* daadvert)
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/*-------------------------------------------------------------------------*/
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{
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SLPDLog("Message DAADVERT:\n");
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SLPDLogBuffer(" scope = ", daadvert->scopelistlen, daadvert->scopelist);
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SLPDLogBuffer(" url = ", daadvert->urllen, daadvert->url);
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SLPDLogBuffer(" attributes = ", daadvert->attrlistlen, daadvert->attrlist);
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}
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/*-------------------------------------------------------------------------*/
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void SLPDLogSrvTypeRqstMessage(SLPSrvTypeRqst* srvtyperqst)
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/*-------------------------------------------------------------------------*/
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{
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SLPDLog("Message SRVTYPERQST:\n");
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SLPDLogBuffer(" namingauth = ", srvtyperqst->namingauthlen, srvtyperqst->namingauth);
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SLPDLogBuffer(" scope = ", srvtyperqst->scopelistlen, srvtyperqst->scopelist);
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}
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/*-------------------------------------------------------------------------*/
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void SLPDLogSrvTypeRplyMessage(SLPSrvTypeRply* srvtyperply)
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/*-------------------------------------------------------------------------*/
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{
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SLPDLog("Message SRVTYPERPLY:\n");
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SLPDLog(" errorcode = %i\n",srvtyperply->errorcode);
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}
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/*-------------------------------------------------------------------------*/
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void SLPDLogSAAdvertMessage(SLPSAAdvert* saadvert)
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/*-------------------------------------------------------------------------*/
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{
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SLPDLog("Message SAADVERT:\n");
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SLPDLogBuffer(" scope = ", saadvert->scopelistlen, saadvert->scopelist);
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SLPDLogBuffer(" url = ", saadvert->urllen, saadvert->url);
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SLPDLogBuffer(" attributes = ", saadvert->attrlistlen, saadvert->attrlist);
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}
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/*-------------------------------------------------------------------------*/
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void SLPDLogPeerAddr(struct sockaddr_in* peeraddr)
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/*-------------------------------------------------------------------------*/
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{
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SLPDLog("Peer IP address: %s\n", inet_ntoa(peeraddr->sin_addr));
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}
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/*=========================================================================*/
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void SLPDLogMessageInternals(SLPMessage message)
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/*=========================================================================*/
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{
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SLPDLog("Peer: \n");
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SLPDLog(" IP address: %s\n", inet_ntoa(message->peer.sin_addr));
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SLPDLog("Header:\n");
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SLPDLog(" version = %i\n",message->header.version);
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SLPDLog(" functionid = %i\n",message->header.functionid);
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SLPDLog(" length = %i\n",message->header.length);
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SLPDLog(" flags = %i\n",message->header.flags);
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SLPDLog(" extoffset = %i\n",message->header.extoffset);
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SLPDLog(" xid = %i\n",message->header.xid);
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SLPDLogBuffer(" langtag = ", message->header.langtaglen, message->header.langtag);
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switch (message->header.functionid)
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{
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case SLP_FUNCT_SRVRQST:
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SLPDLogSrvRqstMessage(&(message->body.srvrqst));
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break;
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case SLP_FUNCT_SRVRPLY:
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SLPDLogSrvRplyMessage(&(message->body.srvrply));
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break;
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case SLP_FUNCT_SRVREG:
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SLPDLogSrvRegMessage(&(message->body.srvreg));
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break;
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case SLP_FUNCT_SRVDEREG:
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SLPDLogSrvDeRegMessage(&(message->body.srvdereg));
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break;
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case SLP_FUNCT_SRVACK:
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SLPDLogSrvAckMessage(&(message->body.srvack));
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break;
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case SLP_FUNCT_ATTRRQST:
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SLPDLogAttrRqstMessage(&(message->body.attrrqst));
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break;
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case SLP_FUNCT_ATTRRPLY:
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SLPDLogAttrRplyMessage(&(message->body.attrrply));
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break;
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case SLP_FUNCT_DAADVERT:
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SLPDLogDAAdvertMessage(&(message->body.daadvert));
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break;
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case SLP_FUNCT_SRVTYPERQST:
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SLPDLogSrvTypeRqstMessage(&(message->body.srvtyperqst));
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break;
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case SLP_FUNCT_SRVTYPERPLY:
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SLPDLogSrvTypeRplyMessage(&(message->body.srvtyperply));
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break;
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case SLP_FUNCT_SAADVERT:
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SLPDLogSAAdvertMessage(&(message->body.saadvert));
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break;
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default:
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SLPDLog("Message %i UNKNOWN:\n",message->header.functionid);
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SLPDLog(" This is really bad\n");
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break;
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}
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}
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/*=========================================================================*/
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void SLPDLogMessage(int msglogflags,
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struct sockaddr_in* peerinfo,
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|
|
SLPBuffer buf)
|
||
|
|
/* Log record of receiving or sending an SLP Message. Logging will only */
|
||
|
|
/* occur if message logging is enabled G_SlpProperty.traceMsg != 0 */
|
||
|
|
/* */
|
||
|
|
/* msglogflags (IN) What type of message to log */
|
||
|
|
/* */
|
||
|
|
/* peerinfo (IN) the source or destination peer */
|
||
|
|
/* */
|
||
|
|
/* msg (IN) the message to log */
|
||
|
|
/* */
|
||
|
|
/* Returns: none */
|
||
|
|
/*=========================================================================*/
|
||
|
|
{
|
||
|
|
SLPMessage msg;
|
||
|
|
|
||
|
|
if (peerinfo == NULL ||
|
||
|
|
buf == NULL)
|
||
|
|
{
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ((G_SlpdProperty.traceMsg && (msglogflags & SLPDLOG_TRACEMSG)) ||
|
||
|
|
(G_SlpdProperty.traceDrop && (msglogflags & SLPDLOG_TRACEDROP)) )
|
||
|
|
{
|
||
|
|
/* Don't log localhost traffic since it is probably IPC */
|
||
|
|
/* and don't log empty messages */
|
||
|
|
if (!ISLOCAL(peerinfo->sin_addr) && buf->end != buf->start)
|
||
|
|
{
|
||
|
|
msg = SLPMessageAlloc();
|
||
|
|
if (msg)
|
||
|
|
{
|
||
|
|
SLPDLog("\n");
|
||
|
|
SLPDLogTime();
|
||
|
|
SLPDLog("MESSAGE - ");
|
||
|
|
if (msglogflags == SLPDLOG_TRACEMSG_OUT)
|
||
|
|
{
|
||
|
|
SLPDLog("Trace message (OUT)\n");
|
||
|
|
}
|
||
|
|
else if (msglogflags == SLPDLOG_TRACEMSG_IN)
|
||
|
|
{
|
||
|
|
SLPDLog("Trace message (IN)\n");
|
||
|
|
}
|
||
|
|
else if (msglogflags == SLPDLOG_TRACEDROP)
|
||
|
|
{
|
||
|
|
SLPDLog("Dropped message (following message silently ignored)\n");
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
SLPDLog("\n");
|
||
|
|
}
|
||
|
|
|
||
|
|
if (SLPMessageParseBuffer(peerinfo,buf,msg) == 0)
|
||
|
|
{
|
||
|
|
SLPDLogMessageInternals(msg);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
SLPDLog("Message parsing failed\n");
|
||
|
|
SLPDLog("Peer: \n");
|
||
|
|
SLPDLog(" IP address: %s\n", inet_ntoa(msg->peer.sin_addr));
|
||
|
|
}
|
||
|
|
|
||
|
|
SLPMessageFree(msg);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/*=========================================================================*/
|
||
|
|
void SLPDLogRegistration(const char* prefix, SLPDatabaseEntry* entry)
|
||
|
|
/* Log record of having added a registration to the database. Logging of */
|
||
|
|
/* registraions will only occur if registration trace is enabled */
|
||
|
|
/* G_SlpProperty.traceReg != 0 */
|
||
|
|
/* */
|
||
|
|
/* prefix (IN) an informative prefix for the log entry */
|
||
|
|
/* */
|
||
|
|
/* entry (IN) the database entry that was affected */
|
||
|
|
/* */
|
||
|
|
/* Returns: none */
|
||
|
|
/*=========================================================================*/
|
||
|
|
{
|
||
|
|
if (prefix == NULL ||
|
||
|
|
entry == NULL)
|
||
|
|
{
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (G_SlpdProperty.traceReg)
|
||
|
|
{
|
||
|
|
SLPDLog("\n");
|
||
|
|
SLPDLogTime();
|
||
|
|
SLPDLog("DATABASE - %s:\n",prefix);
|
||
|
|
SLPDLog(" SA address = ");
|
||
|
|
switch (entry->msg->body.srvreg.source)
|
||
|
|
{
|
||
|
|
case SLP_REG_SOURCE_UNKNOWN:
|
||
|
|
SLPDLog("<unknown>\n");
|
||
|
|
break;
|
||
|
|
case SLP_REG_SOURCE_REMOTE:
|
||
|
|
SLPDLog("remote (%s)\n", inet_ntoa(entry->msg->peer.sin_addr));
|
||
|
|
break;
|
||
|
|
case SLP_REG_SOURCE_LOCAL:
|
||
|
|
SLPDLog("IPC (libslp)\n");
|
||
|
|
break;
|
||
|
|
case SLP_REG_SOURCE_STATIC:
|
||
|
|
SLPDLog("static (slp.reg)\n");
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
SLPDLogBuffer(" service-url = ",
|
||
|
|
entry->msg->body.srvreg.urlentry.urllen,
|
||
|
|
entry->msg->body.srvreg.urlentry.url);
|
||
|
|
SLPDLogBuffer(" scope = ",
|
||
|
|
entry->msg->body.srvreg.scopelistlen,
|
||
|
|
entry->msg->body.srvreg.scopelist);
|
||
|
|
SLPDLogBuffer(" attributes = ",
|
||
|
|
entry->msg->body.srvreg.attrlistlen,
|
||
|
|
entry->msg->body.srvreg.attrlist);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/*=========================================================================*/
|
||
|
|
void SLPDLogDAAdvertisement(const char* prefix,
|
||
|
|
SLPDatabaseEntry* entry)
|
||
|
|
/* Log record of addition or removal of a DA to the store of known DAs. */
|
||
|
|
/* Will only occur if DA Advertisment message logging is enabled */
|
||
|
|
/* G_SlpProperty.traceDATraffic != 0 */
|
||
|
|
/* */
|
||
|
|
/* prefix (IN) an informative prefix for the log entry */
|
||
|
|
/* */
|
||
|
|
/* entry (IN) the database entry that was affected */
|
||
|
|
/* */
|
||
|
|
/* Returns: none */
|
||
|
|
/*=========================================================================*/
|
||
|
|
{
|
||
|
|
|
||
|
|
if (prefix == NULL ||
|
||
|
|
entry == NULL)
|
||
|
|
{
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (G_SlpdProperty.traceDATraffic)
|
||
|
|
{
|
||
|
|
SLPDLog("\n");
|
||
|
|
SLPDLogTime();
|
||
|
|
SLPDLog("KNOWNDA - %s:\n",prefix);
|
||
|
|
SLPDLog(" DA address = %s\n",inet_ntoa(entry->msg->peer.sin_addr));
|
||
|
|
SLPDLogBuffer(" directory-agent-url = ",
|
||
|
|
entry->msg->body.daadvert.urllen,
|
||
|
|
entry->msg->body.daadvert.url);
|
||
|
|
SLPDLog(" bootstamp = %x\n",entry->msg->body.daadvert.bootstamp);
|
||
|
|
SLPDLogBuffer(" scope = ",
|
||
|
|
entry->msg->body.daadvert.scopelistlen,
|
||
|
|
entry->msg->body.daadvert.scopelist);
|
||
|
|
SLPDLogBuffer(" attributes = ",
|
||
|
|
entry->msg->body.daadvert.attrlistlen,
|
||
|
|
entry->msg->body.daadvert.attrlist);
|
||
|
|
#ifdef ENABLE_SLPV2_SECURITY
|
||
|
|
SLPDLogBuffer(" SPI list = ",
|
||
|
|
entry->msg->body.daadvert.spilistlen,
|
||
|
|
entry->msg->body.daadvert.spilist);
|
||
|
|
#endif /*ENABLE_SLPV2_SECURITY*/
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/*=========================================================================*/
|
||
|
|
void SLPDLogParseWarning(struct sockaddr_in* peeraddr, SLPBuffer buf)
|
||
|
|
/* Log a parsing error warning and dumps the invalid message. */
|
||
|
|
/*=========================================================================*/
|
||
|
|
{
|
||
|
|
unsigned char* curpos;
|
||
|
|
int i = 0;
|
||
|
|
|
||
|
|
if (peeraddr == NULL ||
|
||
|
|
buf == NULL)
|
||
|
|
{
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
SLPDLog("\n");
|
||
|
|
SLPDLogTime();
|
||
|
|
SLPDLog("*** WARNING Parse Error ***\n");
|
||
|
|
SLPDLogPeerAddr(peeraddr);
|
||
|
|
SLPDLog("message size = %i\n",buf->end - buf->start);
|
||
|
|
SLPDLog("message dump follows:\n");
|
||
|
|
for (curpos = buf->start; curpos < buf->end; curpos++)
|
||
|
|
{
|
||
|
|
SLPDLog("0x%02x",*curpos);
|
||
|
|
if (*curpos < 0x20 || *curpos > 0x7f)
|
||
|
|
{
|
||
|
|
SLPDLog("(' ') ");
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
SLPDLog("('%c') ",*curpos);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* newline every 70 columns */
|
||
|
|
i++;
|
||
|
|
if (i==10)
|
||
|
|
{
|
||
|
|
i=0;
|
||
|
|
SLPDLog("\n");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
SLPDLog("\n");
|
||
|
|
}
|