conf.c

ipp打印机服务器原代码 注意：请将ipp.gz改为ipp.tar.gz 然后使用tar zxvf ipp.tar.gz解压 站长注意

	{
	 /*
          * No hosts...
	  */

          if (strcasecmp(name, "BrowseAllow") == 0)
	    AllowIP(location, ~0, 0);
	  else
	    DenyIP(location, ~0, 0);
	}
	else if (value[0] == '*' || value[0] == '.' || !isdigit(value[0]))
	{
	 /*
          * Host or domain name...
	  */

	  if (value[0] == '*')
	    value ++;

          if (strcasecmp(name, "BrowseAllow") == 0)
	    AllowHost(location, value);
	  else
	    DenyHost(location, value);
	}
	else
	{
	 /*
          * One of many IP address forms...
	  */

          memset(ip, 0, sizeof(ip));
          ipcount = sscanf(value, "%d.%d.%d.%d", ip + 0, ip + 1, ip + 2, ip + 3);
	  address = (((((ip[0] << 8) | ip[1]) << 8) | ip[2]) << 8) | ip[3];

          if ((value = strchr(value, '/')) != NULL)
	  {
	    value ++;
	    memset(mask, 0, sizeof(mask));
            switch (sscanf(value, "%d.%d.%d.%d", mask + 0, mask + 1,
	                   mask + 2, mask + 3))
	    {
	      case 1 :
	          netmask = (0xffffffff << (32 - mask[0])) & 0xffffffff;
	          break;
	      case 4 :
	          netmask = (((((mask[0] << 8) | mask[1]) << 8) |
		              mask[2]) << 8) | mask[3];
                  break;
	      default :
        	  LogMessage(L_ERROR, "Bad netmask value %s on line %d.",
	        	     value, linenum);
		  netmask = 0xffffffff;
		  break;
	    }
	  }
	  else
	    netmask = netmasks[ipcount - 1];

          if ((address & ~netmask) != 0)
	  {
	    LogMessage(L_WARN, "Discarding extra bits in %s address %08x for netmask %08x...",
	               name, address, netmask);
            address &= netmask;
	  }

          if (strcasecmp(name, "BrowseAllow") == 0)
	    AllowIP(location, address, netmask);
	  else
	    DenyIP(location, address, netmask);
	}
      }
    }
    else if (strcasecmp(name, "BrowseRelay") == 0)
    {
     /*
      * BrowseRelay [from] source [to] destination
      */

      if (NumRelays == 0)
        relay = malloc(sizeof(dirsvc_relay_t));
      else
        relay = realloc(Relays, (NumRelays + 1) * sizeof(dirsvc_relay_t));

      if (!relay)
      {
        LogMessage(L_ERROR, "Unable to allocate BrowseRelay at line %d - %s.",
	           linenum, strerror(errno));
        continue;
      }

      Relays = relay;
      relay  += NumRelays;

      memset(relay, 0, sizeof(dirsvc_relay_t));

      if (strncasecmp(value, "from ", 5) == 0)
      {
       /*
        * Strip leading "from"...
	*/

	value += 5;

	while (isspace(*value))
	  value ++;
      }

     /*
      * Figure out what form the from address takes:
      *
      *    *.domain.com
      *    .domain.com
      *    host.domain.com
      *    nnn.*
      *    nnn.nnn.*
      *    nnn.nnn.nnn.*
      *    nnn.nnn.nnn.nnn
      *    nnn.nnn.nnn.nnn/mm
      *    nnn.nnn.nnn.nnn/mmm.mmm.mmm.mmm
      */

      if (value[0] == '*' || value[0] == '.' || !isdigit(value[0]))
      {
       /*
        * Host or domain name...
	*/

	if (value[0] == '*')
	  value ++;

        strlcpy(name, value, sizeof(name));
	if ((nameptr = strchr(name, ' ')) != NULL)
	  *nameptr = '\0';

        relay->from.type             = AUTH_NAME;
	relay->from.mask.name.name   = strdup(name);
	relay->from.mask.name.length = strlen(name);
      }
      else
      {
       /*
        * One of many IP address forms...
	*/

        memset(ip, 0, sizeof(ip));
        ipcount = sscanf(value, "%d.%d.%d.%d", ip + 0, ip + 1, ip + 2, ip + 3);
	address = (((((ip[0] << 8) | ip[1]) << 8) | ip[2]) << 8) | ip[3];

        for (; *value; value ++)
	  if (*value == '/' || isspace(*value))
	    break;

        if (*value == '/')
	{
	  value ++;
	  memset(mask, 0, sizeof(mask));
          switch (sscanf(value, "%d.%d.%d.%d", mask + 0, mask + 1,
	                 mask + 2, mask + 3))
	  {
	    case 1 :
	        netmask = (0xffffffff << (32 - mask[0])) & 0xffffffff;
	        break;
	    case 4 :
	        netmask = (((((mask[0] << 8) | mask[1]) << 8) |
		            mask[2]) << 8) | mask[3];
                break;
	    default :
        	LogMessage(L_ERROR, "Bad netmask value %s on line %d.",
	        	   value, linenum);
		netmask = 0xffffffff;
		break;
	  }
	}
	else
	  netmask = netmasks[ipcount - 1];

        relay->from.type            = AUTH_IP;
	relay->from.mask.ip.address = address;
	relay->from.mask.ip.netmask = netmask;
      }

     /*
      * Skip value and trailing whitespace...
      */

      for (; *value; value ++)
	if (isspace(*value))
	  break;

      while (isspace(*value))
        value ++;

      if (strncasecmp(value, "to ", 3) == 0)
      {
       /*
        * Strip leading "to"...
	*/

	value += 3;

	while (isspace(*value))
	  value ++;
      }

     /*
      * Get "to" address and port...
      */

      if (get_address(value, INADDR_BROADCAST, BrowsePort, &(relay->to)))
      {
        if (relay->from.type == AUTH_NAME)
          LogMessage(L_INFO, "Relaying from %s to %x:%d",
	             relay->from.mask.name.name,
                     (unsigned)ntohl(relay->to.sin_addr.s_addr),
                     ntohs(relay->to.sin_port));
        else
          LogMessage(L_INFO, "Relaying from %x/%x to %x:%d",
                     relay->from.mask.ip.address, relay->from.mask.ip.netmask,
                     (unsigned)ntohl(relay->to.sin_addr.s_addr),
                     ntohs(relay->to.sin_port));

	NumRelays ++;
      }
      else
      {
        if (relay->from.type == AUTH_NAME)
	  free(relay->from.mask.name.name);

        LogMessage(L_ERROR, "Bad relay address %s at line %d.", value, linenum);
      }
    }
    else if (strcasecmp(name, "BrowsePoll") == 0)
    {
     /*
      * BrowsePoll address[:port]
      */

      if (NumPolled == 0)
        poll = malloc(sizeof(dirsvc_poll_t));
      else
        poll = realloc(Polled, (NumPolled + 1) * sizeof(dirsvc_poll_t));

      if (!poll)
      {
        LogMessage(L_ERROR, "Unable to allocate BrowsePoll at line %d - %s.",
	           linenum, strerror(errno));
        continue;
      }

      Polled = poll;
      poll   += NumPolled;

     /*
      * Get poll address and port...
      */

      if (get_address(value, INADDR_NONE, ippPort(), &polladdr))
      {
        LogMessage(L_INFO, "Polling %x:%d",
	           (unsigned)ntohl(polladdr.sin_addr.s_addr),
                   ntohs(polladdr.sin_port));

	NumPolled ++;
	memset(poll, 0, sizeof(dirsvc_poll_t));

        address = ntohl(polladdr.sin_addr.s_addr);

	sprintf(poll->hostname, "%d.%d.%d.%d", address >> 24,
	        (address >> 16) & 255, (address >> 8) & 255, address & 255);
        poll->port = ntohs(polladdr.sin_port);
      }
      else
        LogMessage(L_ERROR, "Bad poll address %s at line %d.", value, linenum);
    }
    else if (strcasecmp(name, "User") == 0)
    {
     /*
      * User ID to run as...
      */

      if (isdigit(value[0]))
        User = atoi(value);
      else
      {
        struct passwd *p;	/* Password information */

        endpwent();
	p = getpwnam(value);

	if (p != NULL)
	  User = p->pw_uid;
	else
	  LogMessage(L_WARN, "Unknown username \"%s\"",
	             value);
      }
    }
    else if (strcasecmp(name, "Group") == 0)
    {
     /*
      * Group ID to run as...
      */

      if (isdigit(value[0]))
        Group = atoi(value);
      else
      {
        struct group *g;	/* Group information */

        endgrent();
	g = getgrnam(value);

	if (g != NULL)
	  Group = g->gr_gid;
	else
	  LogMessage(L_WARN, "Unknown groupname \"%s\"",
	             value);
      }
    }
    else if (strcasecmp(name, "SystemGroup") == 0)
    {
     /*
      * System (admin) group(s)...
      */

      char	*valueptr,	/* Pointer into value */
		quote;		/* Quote character */


      for (i = NumSystemGroups; *value && i < MAX_SYSTEM_GROUPS; i ++)
      {
        if (*value == '\'' || *value == '\"')
	{
	 /*
	  * Scan quoted name...
	  */

	  quote = *value++;

	  for (valueptr = value; *valueptr; valueptr ++)
	    if (*valueptr == quote)
	      break;
	}
	else
	{
	 /*
	  * Scan space or comma-delimited name...
	  */

          for (valueptr = value; *valueptr; valueptr ++)
	    if (isspace(*valueptr) || *valueptr == ',')
	      break;
        }

        if (*valueptr)
          *valueptr++ = '\0';

        SetString(SystemGroups + i, value);

        value = valueptr;

        while (*value == ',' || isspace(*value))
	  value ++;
      }

      if (i)
        NumSystemGroups = i;
    }
    else if (strcasecmp(name, "HostNameLookups") == 0)
    {
     /*
      * Do hostname lookups?
      */

      if (strcasecmp(value, "off") == 0)
        HostNameLookups = 0;
      else if (strcasecmp(value, "on") == 0)
        HostNameLookups = 1;
      else if (strcasecmp(value, "double") == 0)
        HostNameLookups = 2;
      else
	LogMessage(L_WARN, "Unknown HostNameLookups %s on line %d.",
	           value, linenum);
    }
    else if (strcasecmp(name, "LogLevel") == 0)
    {
     /*
      * Amount of logging to do...
      */

      if (strcasecmp(value, "debug2") == 0)
        LogLevel = L_DEBUG2;
      else if (strcasecmp(value, "debug") == 0)
        LogLevel = L_DEBUG;
      else if (strcasecmp(value, "info") == 0)
        LogLevel = L_INFO;
      else if (strcasecmp(value, "notice") == 0)
        LogLevel = L_NOTICE;
      else if (strcasecmp(value, "warn") == 0)
        LogLevel = L_WARN;
      else if (strcasecmp(value, "error") == 0)
        LogLevel = L_ERROR;
      else if (strcasecmp(value, "crit") == 0)
        LogLevel = L_CRIT;
      else if (strcasecmp(value, "alert") == 0)
        LogLevel = L_ALERT;
      else if (strcasecmp(value, "emerg") == 0)
        LogLevel = L_EMERG;
      else if (strcasecmp(value, "none") == 0)
        LogLevel = L_NONE;
      else
        LogMessage(L_WARN, "Unknown LogLevel %s on line %d.", value, linenum);
    }
    else if (strcasecmp(name, "PrintcapFormat") == 0)
    {
     /*
      * Format of printcap file?
      */

      if (strcasecmp(value, "bsd") == 0)
        PrintcapFormat = PRINTCAP_BSD;
      else if (strcasecmp(value, "solaris") == 0)
        PrintcapFormat = PRINTCAP_SOLARIS;
      else
	LogMessage(L_WARN, "Unknown PrintcapFormat %s on line %d.",
	           value, linenum);
    }
    else if (!strcasecmp(name, "ServerTokens"))
    {
     /*
      * Set the string used for the Server header...
      */

      struct utsname plat;		/* Platform info */


      uname(&plat);

      if (!strcasecmp(value, "ProductOnly"))
        SetString(&ServerHeader, "CUPS");
      else if (!strcasecmp(value, "Major"))
        SetString(&ServerHeader, "CUPS/1");
      else if (!strcasecmp(value, "Minor"))
        SetString(&ServerHeader, "CUPS/1.1");
      else if (!strcasecmp(value, "Minimal"))
        SetString(&ServerHeader, CUPS_MINIMAL);
      else if (!strcasecmp(value, "OS"))
        SetStringf(&ServerHeader, CUPS_MINIMAL " (%s)", plat.sysname);
      else if (!strcasecmp(value, "Full"))
        SetStringf(&ServerHeader, CUPS_MINIMAL " (%s) IPP/1.1", plat.sysname);
      else if (!strcasecmp(value, "None"))
        ClearString(&ServerHeader);
      else
        LogMessage(L_WARN, "Unknown ServerTokens %s on line %d.", value, linenum);
    }
#endif
    else
    {
     /*
      * Find a simple variable in the list...
      */

      for (i = NUM_VARS, var = variables; i > 0; i --, var ++)
        if (strcasecmp(name, var->name) == 0)
	  break;

      if (i == 0)
      {
       /*
        * Unknown directive!  Output an error message and continue...
	*/

        LogMessage(L_ERROR, "Unknown directive %s on line %d.", name,
	           linenum);
        continue;
      }

      switch (var->type)
      {
        case VAR_INTEGER :
	    {
	      int	n;	/* Number */
	      char	*units;	/* Units */


              n = strtol(value, &units, 0);

	      if (units && *units)
	      {
        	if (tolower(units[0] & 255) == 'g')
		  n *= 1024 * 1024 * 1024;
        	else if (tolower(units[0] & 255) == 'm')
		  n *= 1024 * 1024;
		else if (tolower(units[0] & 255) == 'k')
		  n *= 1024;
		else if (tolower(units[0] & 255) == 't')
		  n *= 262144;
	      }

	      *((int *)var->ptr) = n;
	    }
	    break;

	case VAR_BOOLEAN :
	    if (strcasecmp(value, "true") == 0 ||
	        strcasecmp(value, "on") == 0 ||
		strcasecmp(value, "enabled") == 0 ||
		strcasecmp(value, "yes") == 0 ||
		atoi(value) != 0)
              *((int *)var->ptr) = TRUE;
	    else if (strcasecmp(value, "false") == 0 ||
	             strcasecmp(value, "off") == 0 ||
		     strcasecmp(value, "disabled") == 0 ||
		     strcasecmp(value, "no") == 0 ||
		     strcasecmp(value, "0") == 0)
              *((int *)var->ptr) = FALSE;
	    else
              LogMessage(L_ERROR, "Unknown boolean value %s on line %d.",
	                 value, linenum);
	    break;

	case VAR_STRING :
	    SetString((char **)var->ptr, value);
	    break;
      }
    }
  }

    DEBUG_printf(("Function read_configuration()\n")); 
  return (1);
}


#if	0
/*
 * 'read_location()' - Read a <Location path> definition.
 */

static int				/* O - New line number or 0 on error */
read_location(cups_file_t *fp,		/* I - Configuration file */
              char        *location,	/* I - Location name/path */
	      int         linenum)	/* I - Current line number */
{
  int		i;			/* Looping var */
		*parent;		/* Parent location */
  int		len;			/* Length of line */
  char		line[HTTP_MAX_BUFFER],	/* Line buffer */
		name[256],		/* Configuration directive */
		*nameptr,		/* Pointer into name */
		*value,			/* Value for directive */
		*valptr;		/* Pointer into value */
  unsigned	address,		/* Address value */
		netmask;		/* Netmask value */
  int		ip[4],			/* IP address components */
		ipcount,		/* Number of components provided */
 		mask[4];		/* IP netmask components */
  static unsigned	netmasks[4] =	/* Standard netmasks... */
  {
    0xff000000,
    0xffff0000,
    0xffffff00,
    0xffffffff
  };
#if	0
  location_t	*loc,			/* New location */
#endif


  if ((parent = AddLocation(location)) == NULL)
    return (0);