/***************************************************************************/
/*                                                                         */
/* Project:     OpenSLP - OpenSource implementation of Service Location    */
/*              Protocol Version 2                                         */
/*                                                                         */
/* File:        slpd_cmdline.c                                             */
/*                                                                         */
/* Abstract:    Simple command line processor                              */
/*                                                                         */
/*-------------------------------------------------------------------------*/
/*                                                                         */
/*     Please submit patches to http://www.openslp.org                     */
/*                                                                         */
/*-------------------------------------------------------------------------*/
/*                                                                         */
/* Copyright (C) 2000 Caldera Systems, Inc                                 */
/* All rights reserved.                                                    */
/*                                                                         */
/* Redistribution and use in source and binary forms, with or without      */
/* modification, are permitted provided that the following conditions are  */
/* met:                                                                    */ 
/*                                                                         */
/*      Redistributions of source code must retain the above copyright     */
/*      notice, this list of conditions and the following disclaimer.      */
/*                                                                         */
/*      Redistributions in binary form must reproduce the above copyright  */
/*      notice, this list of conditions and the following disclaimer in    */
/*      the documentation and/or other materials provided with the         */
/*      distribution.                                                      */
/*                                                                         */
/*      Neither the name of Caldera Systems nor the names of its           */
/*      contributors may be used to endorse or promote products derived    */
/*      from this software without specific prior written permission.      */
/*                                                                         */
/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS     */
/* `AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT      */
/* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR   */
/* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE CALDERA      */
/* SYSTEMS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, */
/* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT        */
/* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;  LOSS OF USE,  */
/* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON       */
/* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */
/* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE   */
/* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.    */
/*                                                                         */
/***************************************************************************/

/*=========================================================================*/
/* slpd includes                                                           */
/*=========================================================================*/
#include "slpd_cmdline.h"


/*=========================================================================*/
/* Make sure ETCDIR and VARDIR are defined                                 */
/*=========================================================================*/
#if !defined(ETCDIR)
    #define ETCDIR "/etc"
#endif

#if !defined(VARDIR)
    #define VARDIR "/var"
#endif

#if !defined(VERSION)
    #define VERSION "unknown"
#endif


/*=========================================================================*/
SLPDCommandLine G_SlpdCommandLine;
/* Global variable containing command line options                         */
/*=========================================================================*/


/*=========================================================================*/
void SLPDPrintUsage()
/* Displays available command line options of SLPD                         */
/*=========================================================================*/
{

#ifdef _WIN32
    fprintf(stderr,"USAGE: slpd -install [auto]|-remove|-start|-stop|-debug [-d] [-c conf file] [-l log file] [-s spi file] [-r reg file] [-v version]\n");
#else
    fprintf(stderr,"USAGE: slpd [-d] [-c conf file] [-l log file] [-r reg file] [-s spi file] [-v version]\n");
#endif

}


/*=========================================================================*/
int SLPDParseCommandLine(int argc,char* argv[])
/* Must be called to initialize the command line                           */
/*                                                                         */
/* argc (IN) the argc as passed to main()                                  */
/*                                                                         */
/* argv (IN) the argv as passed to main()                                  */
/*                                                                         */
/* Returns  - zero on success.  non-zero on usage error                    */
/*=========================================================================*/
{
    int i;

    /* Set defaults */
    memset(&G_SlpdCommandLine,0,sizeof(SLPDCommandLine));
#ifndef _WIN32
    strcpy(G_SlpdCommandLine.cfgfile,SLPD_CONFFILE);
    strcpy(G_SlpdCommandLine.logfile,SLPD_LOGFILE);
    strcpy(G_SlpdCommandLine.regfile,SLPD_REGFILE);
    strcpy(G_SlpdCommandLine.pidfile,SLPD_PIDFILE);
    #ifdef ENABLE_SLPv2_SECURITY
    strcpy(G_SlpdCommandLine.spifile,SLPD_SPIFILE);
    #endif
#else
    ExpandEnvironmentStrings(SLPD_CONFFILE,G_SlpdCommandLine.cfgfile,MAX_PATH);
    ExpandEnvironmentStrings(SLPD_LOGFILE,G_SlpdCommandLine.logfile,MAX_PATH);
    ExpandEnvironmentStrings(SLPD_REGFILE,G_SlpdCommandLine.regfile,MAX_PATH);
    ExpandEnvironmentStrings(SLPD_PIDFILE,G_SlpdCommandLine.pidfile,MAX_PATH);
    #ifdef ENABLE_SLPv2_SECURITY
    ExpandEnvironmentStrings(SLPD_SPIFILE,G_SlpdCommandLine.spifile,MAX_PATH);
    #endif
    G_SlpdCommandLine.action = -1;
#endif

    G_SlpdCommandLine.detach = 1;

    for(i=1; i<argc; i++)
    {
#ifdef _WIN32
        if(strcmp(argv[i],"-install") == 0)
        {
            G_SlpdCommandLine.action = SLPD_INSTALL;
				if (i+1 < argc && strcmp(argv[i+1], "auto") == 0)
				{
					i++;
					G_SlpdCommandLine.autostart = 1;
				}
        }
        else if(strcmp(argv[i],"-remove") == 0)
        {
            G_SlpdCommandLine.action = SLPD_REMOVE;
        }
        else if(strcmp(argv[i],"-debug") == 0)
        {
            G_SlpdCommandLine.action = SLPD_DEBUG;
        }
		  else if(strcmp(argv[i],"-start") == 0)
		  {
		  		G_SlpdCommandLine.action = SLPD_START;
		  }
		  else if(strcmp(argv[i],"-stop") == 0)
		  {
				G_SlpdCommandLine.action = SLPD_STOP;
		  }
		  else
#endif
        if(strcmp(argv[i],"-l") == 0)
        {
            i++;
            if(i >= argc) goto USAGE;
            strncpy(G_SlpdCommandLine.logfile,argv[i],MAX_PATH-1);
        }
        else if(strcmp(argv[i],"-r") == 0)
        {
            i++;
            if(i >= argc) goto USAGE;
            strncpy(G_SlpdCommandLine.regfile,argv[i],MAX_PATH-1);
        }
        else if(strcmp(argv[i],"-c") == 0)
        {
            i++;
            if(i >= argc) goto USAGE;
            strncpy(G_SlpdCommandLine.cfgfile,argv[i],MAX_PATH-1);        
        }
   #ifdef ENABLE_SLPv2_SECURITY
        else if(strcmp(argv[i],"-s") == 0)
        {
            i++;
            if(i >= argc) goto USAGE;
            strncpy(G_SlpdCommandLine.spifile,argv[i],MAX_PATH-1);        
        }
   #endif
        else if(strcmp(argv[i],"-p") == 0)
        {
            i++;
            if(i >= argc) goto USAGE;
            strncpy(G_SlpdCommandLine.pidfile,argv[i],MAX_PATH-1);        
        }
        else if(strcmp(argv[i],"-d") == 0)
        {
            G_SlpdCommandLine.detach = 0;
        }
        else if((strcmp(argv[i], "-v") == 0) 
                || (strcmp(argv[i], "-V") == 0)
                || (strcmp(argv[i], "--version") == 0)
                || (strcmp(argv[i], "-version") == 0))
        {
#ifdef _WIN32
            fprintf(stderr,"slpd version: %s\n", SLP_VERSION);
#else /* UNIX */
            fprintf(stderr,"slpd version: %s\n", VERSION);
#endif


            /* Show options. */
            fprintf(stderr,"compile options:\n"
                   "   debugging:            "
#ifdef DEBUG
                   "enabled"
#else
                   "disabled"
#endif /* NDEBUG */
                   "\n"                    
                   "   predicates:           "
#ifdef ENABLE_PREDICATES
                   "enabled"
#else 
                   "disabled"
#endif /* ENABLE_PREDICATES */
                   "\n"
                   "   slpv1 compatability:  "
#ifdef ENABLE_SLPv1
                   "enabled"
#else
                   "disabled"
#endif /* ENABLE_SLPv1 */
                   "\n"
                   "   slpv2 security:       "
#ifdef ENABLE_SLPv2_SECURITY
                   "enabled"
#else
                   "disabled"
#endif /* ENABLE_SLPv2_SECURITY */
                   "\n"
                  );
            exit(1);
        }
        else
        {
            goto USAGE;
        }
    }

    return 0;

    USAGE:
    SLPDPrintUsage();
    return 1;
}