printers.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

 */
    return (p->name);
  }

 /*
  * Change localhost to the server name...
  */

  if (strcasecmp(hostname, "localhost") == 0)
    hostname = ServerName;

  strlcpy(localname, hostname, sizeof(localname));

  if (strcasecmp(hostname, ServerName) != 0)
  {
   /*
    * Localize the hostname...
    */

    lptr = strchr(localname, '.');
    sptr = strchr(ServerName, '.');

    if (sptr != NULL && lptr != NULL)
    {
     /*
      * Strip the common domain name components...
      */

      while (lptr != NULL)
      {
	if (strcasecmp(lptr, sptr) == 0)
	{
          *lptr = '\0';
	  break;
	}
	else
          lptr = strchr(lptr + 1, '.');
      }
    }
  }

  DEBUG_printf(("localized hostname is \"%s\"...\n", localname));

 /*
  * Find a matching printer or class...
  */

  for (p = Printers; p != NULL; p = p->next)
    if (strcasecmp(p->hostname, localname) == 0 &&
        strcasecmp(p->name, resource) == 0)
    {
/*
      *dtype = p->type & (CUPS_PRINTER_CLASS | CUPS_PRINTER_IMPLICIT |
                          CUPS_PRINTER_REMOTE);
*/
      return (p->name);
    }

  return (NULL);
}


/*
 * 'WritePrintcap()' - Write a pseudo-printcap file for older applications
 *                     that need it...
 */

void
WritePrintcap(void)
{
  cups_file_t	*fp;		/* printcap file */
  printer_t	*p;		/* Current printer */


#ifdef __sgi
 /*
  * Update the IRIX printer state for the default printer; if
  * no printers remain, then the default printer file will be
  * removed...
  */

  write_irix_state(DefaultPrinter);
#endif /* __sgi */

 /*
  * See if we have a printcap file; if not, don't bother writing it.
  */

  if (!Printcap[0])
    return;

 /*
  * Open the printcap file...
  */

  if ((fp = cupsFileOpen(Printcap, "w")) == NULL)
    return;

 /*
  * Put a comment header at the top so that users will know where the
  * data has come from...
  */

  cupsFilePuts(fp, "# This file was automatically generated by cupsd(8) from the\n");
  cupsFilePrintf(fp, "# %s/printers.conf file.  All changes to this file\n",
          ServerRoot);
  cupsFilePuts(fp, "# will be lost.\n");

 /*
  * Write a new printcap with the current list of printers.
  */

  switch (PrintcapFormat)
  {
    case PRINTCAP_BSD:
       /*
        * Each printer is put in the file as:
	*
	*    Printer1:
	*    Printer2:
	*    Printer3:
	*    ...
	*    PrinterN:
	*/

        if (DefaultPrinter)
	  cupsFilePrintf(fp, "%s|%s:rm=%s:rp=%s:\n", DefaultPrinter->name,
	          DefaultPrinter->info, ServerName, DefaultPrinter->name);

	for (p = Printers; p != NULL; p = p->next)
	  if (p != DefaultPrinter)
	    cupsFilePrintf(fp, "%s|%s:rm=%s:rp=%s:\n", p->name, p->info,
	            ServerName, p->name);
        break;

    case PRINTCAP_SOLARIS:
       /*
        * Each printer is put in the file as:
	*
	*    _all:all=Printer1,Printer2,Printer3,...,PrinterN
	*    _default:use=DefaultPrinter
	*    Printer1:\
	*            :bsdaddr=ServerName,Printer1:\
	*            :description=Description:
	*    Printer2:
	*            :bsdaddr=ServerName,Printer2:\
	*            :description=Description:
	*    Printer3:
	*            :bsdaddr=ServerName,Printer3:\
	*            :description=Description:
	*    ...
	*    PrinterN:
	*            :bsdaddr=ServerName,PrinterN:\
	*            :description=Description:
	*/

        cupsFilePuts(fp, "_all:all=");
	for (p = Printers; p != NULL; p = p->next)
	  cupsFilePrintf(fp, "%s%c", p->name, p->next ? ',' : '\n');

        if (DefaultPrinter)
	  cupsFilePrintf(fp, "_default:use=%s\n", DefaultPrinter->name);

	for (p = Printers; p != NULL; p = p->next)
	  cupsFilePrintf(fp, "%s:\\\n"
	              "\t:bsdaddr=%s,%s:\\\n"
		      "\t:description=%s:\n",
		  p->name, ServerName, p->name, p->info ? p->info : "");
        break;
  }

 /*
  * Close the file...
  */

  cupsFileClose(fp);
}


/*
 * 'cupsdSanitizeURI()' - Sanitize a device URI...
 */

char *					/* O - New device URI */
cupsdSanitizeURI(const char *uri,	/* I - Original device URI */
                 char       *buffer,	/* O - New device URI */
                 int        buflen)	/* I - Size of new device URI buffer */
{
  char	*start,				/* Start of data after scheme */
	*slash,				/* First slash after scheme:// */
	*ptr;				/* Pointer into user@host:port part */


 /*
  * Range check input...
  */

  if (!uri || !buffer || buflen < 2)
    return (NULL);

 /*
  * Copy the device URI to the new buffer...
  */

  strlcpy(buffer, uri, buflen);

 /*
  * Find the end of the scheme:// part...
  */

  if ((ptr = strchr(buffer, ':')) == NULL)
    return (buffer);			/* No scheme: part... */

  for (start = ptr + 1; *start; start ++)
    if (*start != '/')
      break;

 /*
  * Find the next slash (/) in the URI...
  */

  if ((slash = strchr(start, '/')) == NULL)
    slash = start + strlen(start);	/* No slash, point to the end */

 /*
  * Check for an @ sign before the slash...
  */

  if ((ptr = strchr(start, '@')) != NULL && ptr < slash)
  {
   /*
    * Found an @ sign and it is before the resource part, so we have
    * an authentication string.  Copy the remaining URI over the
    * authentication string...
    */

    cups_strcpy(start, ptr + 1);
  }

 /*
  * Return the new device URI...
  */

  return (buffer);
}


#ifdef __sgi
/*
 * 'write_irix_config()' - Update the config files used by the IRIX
 *                         desktop tools.
 */

static void
write_irix_config(printer_t *p)	/* I - Printer to update */
{
  char		filename[1024];	/* Interface script filename */
  cups_file_t	*fp;		/* Interface script file */
  ipp_attribute_t *attr;	/* Attribute value */


 /*
  * Add dummy interface and GUI scripts to fool SGI's "challenged" printing
  * tools.  First the interface script that tells the tools what kind of
  * printer we have...
  */

  snprintf(filename, sizeof(filename), "/var/spool/lp/interface/%s", p->name);

  if (p->type & CUPS_PRINTER_CLASS)
    unlink(filename);
  else if ((fp = cupsFileOpen(filename, "w")) != NULL)
  {
    cupsFilePuts(fp, "#!/bin/sh\n");

    if ((attr = ippFindAttribute(p->attrs, "printer-make-and-model",
                                 IPP_TAG_TEXT)) != NULL)
      cupsFilePrintf(fp, "NAME=\"%s\"\n", attr->values[0].string.text);
    else if (p->type & CUPS_PRINTER_CLASS)
      cupsFilePuts(fp, "NAME=\"Printer Class\"\n");
    else
      cupsFilePuts(fp, "NAME=\"Remote Destination\"\n");

    if (p->type & CUPS_PRINTER_COLOR)
      cupsFilePuts(fp, "TYPE=ColorPostScript\n");
    else
      cupsFilePuts(fp, "TYPE=MonoPostScript\n");

    cupsFilePrintf(fp, "HOSTNAME=%s\n", ServerName);
    cupsFilePrintf(fp, "HOSTPRINTER=%s\n", p->name);

    cupsFileClose(fp);

    chmod(filename, 0755);
    chown(filename, User, Group);
  }

 /*
  * Then the member file that tells which device file the queue is connected
  * to...  Networked printers use "/dev/null" in this file, so that's what
  * we use (the actual device URI can confuse some apps...)
  */

  snprintf(filename, sizeof(filename), "/var/spool/lp/member/%s", p->name);

  if (p->type & CUPS_PRINTER_CLASS)
    unlink(filename);
  else if ((fp = cupsFileOpen(filename, "w")) != NULL)
  {
    cupsFilePuts(fp, "/dev/null\n");

    cupsFileClose(fp);

    chmod(filename, 0644);
    chown(filename, User, Group);
  }

 /*
  * The gui_interface file is a script or program that launches a GUI
  * option panel for the printer, using options specified on the
  * command-line in the third argument.  The option panel must send
  * any printing options to stdout on a single line when the user
  * accepts them, or nothing if the user cancels the dialog.
  *
  * The default options panel program is /usr/bin/glpoptions, from
  * the ESP Print Pro software.  You can select another using the
  * PrintcapGUI option.
  */

  snprintf(filename, sizeof(filename), "/var/spool/lp/gui_interface/ELF/%s.gui", p->name);

  if (p->type & CUPS_PRINTER_CLASS)
    unlink(filename);
  else if ((fp = cupsFileOpen(filename, "w")) != NULL)
  {
    cupsFilePuts(fp, "#!/bin/sh\n");
    cupsFilePrintf(fp, "%s -d %s -o \"$3\"\n", PrintcapGUI, p->name);

    cupsFileClose(fp);

    chmod(filename, 0755);
    chown(filename, User, Group);
  }

 /*
  * The POD config file is needed by the printstatus command to show
  * the printer location and device.
  */

  snprintf(filename, sizeof(filename), "/var/spool/lp/pod/%s.config", p->name);

  if (p->type & CUPS_PRINTER_CLASS)
    unlink(filename);
  else if ((fp = cupsFileOpen(filename, "w")) != NULL)
  {
    cupsFilePrintf(fp, "Printer Class      | %s\n",
            (p->type & CUPS_PRINTER_COLOR) ? "ColorPostScript" : "MonoPostScript");
    cupsFilePrintf(fp, "Printer Model      | %s\n", p->make_model ? p->make_model : "");
    cupsFilePrintf(fp, "Location Code      | %s\n", p->location ? p->location : "");
    cupsFilePrintf(fp, "Physical Location  | %s\n", p->info ? p->info : "");
    cupsFilePrintf(fp, "Port Path          | %s\n", p->device_uri ? p->device_uri : "");
    cupsFilePrintf(fp, "Config Path        | /var/spool/lp/pod/%s.config\n", p->name);
    cupsFilePrintf(fp, "Active Status Path | /var/spool/lp/pod/%s.status\n", p->name);
    cupsFilePuts(fp, "Status Update Wait | 10 seconds\n");

    cupsFileClose(fp);

    chmod(filename, 0664);
    chown(filename, User, Group);
  }
}


/*
 * 'write_irix_state()' - Update the status files used by IRIX printing
 *                        desktop tools.
 */

static void
write_irix_state(printer_t *p)		/* I - Printer to update */
{
  char		filename[1024];		/* Interface script filename */
  cups_file_t	*fp;			/* Interface script file */
  int		tag;			/* Status tag value */


  if (p)
  {
   /*
    * The POD status file is needed for the printstatus window to
    * provide the current status of the printer.
    */

    snprintf(filename, sizeof(filename), "/var/spool/lp/pod/%s.status", p->name);

    if (p->type & CUPS_PRINTER_CLASS)
      unlink(filename);
    else if ((fp = cupsFileOpen(filename, "w")) != NULL)
    {
      cupsFilePrintf(fp, "Operational Status | %s\n",
              (p->state == IPP_PRINTER_IDLE)       ? "Idle" :
              (p->state == IPP_PRINTER_PROCESSING) ? "Busy" :
                                                     "Faulted");
      cupsFilePrintf(fp, "Information        | 01 00 00 | %s\n", CUPS_SVERSION);
      cupsFilePrintf(fp, "Information        | 02 00 00 | Device URI: %s\n",
              p->device_uri ? p->device_uri : "");
      cupsFilePrintf(fp, "Information        | 03 00 00 | %s jobs\n",
              p->accepting ? "Accepting" : "Not accepting");
      cupsFilePrintf(fp, "Information        | 04 00 00 | %s\n", p->state_message);

      cupsFileClose(fp);

      chmod(filename, 0664);
      chown(filename, User, Group);
    }

   /*
    * The activeicons file is needed to provide desktop icons for printers:
    *
    * [ quoted from /usr/lib/print/tagit ]
    *
    * --- Type of printer tags (base values)
    *
    * Dumb=66048			# 0x10200
    * DumbColor=66080		# 0x10220
    * Raster=66112		# 0x10240
    * ColorRaster=66144		# 0x10260
    * Plotter=66176		# 0x10280
    * PostScript=66208		# 0x102A0
    * ColorPostScript=66240	# 0x102C0
    * MonoPostScript=66272	# 0x102E0
    *
    * --- Printer state modifiers for local printers
    *
    * Idle=0			# 0x0
    * Busy=1			# 0x1
    * Faulted=2			# 0x2
    * Unknown=3			# 0x3 (Faulted due to unknown reason)
    *
    * --- Printer state modifiers for network printers
    *
    * NetIdle=8			# 0x8
    * NetBusy=9			# 0x9
    * NetFaulted=10		# 0xA
    * NetUnknown=11		# 0xB (Faulted due to unknown reason)
    */

    snprintf(filename, sizeof(filename), "/var/spool/lp/activeicons/%s", p->name);

    if (p->type & CUPS_PRINTER_CLASS)
      unlink(filename);
    else if ((fp = cupsFileOpen(filename, "w")) != NULL)
    {
      if (p->type & CUPS_PRINTER_COLOR)
	tag = 66240;
      else
	tag = 66272;

      if (p->type & CUPS_PRINTER_REMOTE)
	tag |= 8;

      if (p->state == IPP_PRINTER_PROCESSING)
	tag |= 1;

      else if (p->state == IPP_PRINTER_STOPPED)
	tag |= 2;

      cupsFilePuts(fp, "#!/bin/sh\n");
      cupsFilePrintf(fp, "#Tag %d\n", tag);

      cupsFileClose(fp);

      chmod(filename, 0755);
      chown(filename, User, Group);
    }
  }

 /*
  * The default file is needed by the printers window to show
  * the default printer.
  */

  snprintf(filename, sizeof(filename), "/var/spool/lp/default");

  if (DefaultPrinter != NULL)
  {
    if ((fp = cupsFileOpen(filename, "w")) != NULL)
    {
      cupsFilePrintf(fp, "%s\n", DefaultPrinter->name);

      cupsFileClose(fp);

      chmod(filename, 0644);
      chown(filename, User, Group);
    }
  }
  else
    unlink(filename);
}
#endif /* __sgi */


/*
 * End of "$Id: printers.c,v 1.167 2005/01/03 19:29:59 mike Exp $".
 */