ipp2.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

#endif /* 0 */
    {
      con->http.data_encoding  = HTTP_ENCODE_LENGTH;
      con->http.data_remaining = ippLength(con->response);

      httpPrintf(HTTP(con), "Content-Length: %d\r\n\r\n",
        	 con->http.data_remaining);
    }

    LogMessage(L_DEBUG2, "ProcessIPPRequest: Adding fd %d to OutputSet...",
               con->http.fd);

    FD_SET(con->http.fd, OutputSet);

   /*
    * Tell the caller the response header was sent successfully...
    */

    return (1);
  }
  else
  {
   /*
    * Tell the caller the response header could not be sent...
    */

    return (0);
  }
}

#if	0
/*
 * 'accept_jobs()' - Accept print jobs to a printer.
 */

static void
accept_jobs(client_t        *con,	/* I - Client connection */
            ipp_attribute_t *uri)	/* I - Printer or class URI */
{
  cups_ptype_t		dtype;		/* Destination type (printer or class) */
  char			method[HTTP_MAX_URI],
					/* Method portion of URI */
			username[HTTP_MAX_URI],
					/* Username portion of URI */
			host[HTTP_MAX_URI],
					/* Host portion of URI */
			resource[HTTP_MAX_URI];
					/* Resource portion of URI */
  int			port;		/* Port portion of URI */
  const char		*name;		/* Printer name */
  printer_t		*printer;	/* Printer data */


  LogMessage(L_DEBUG2, "accept_jobs(%p[%d], %s)\n", con, con->http.fd,
             uri->values[0].string.text);

 /*
  * Was this operation called from the correct URI?
  */

  if (strncmp(con->uri, "/admin/", 7) != 0)
  {
    LogMessage(L_ERROR, "accept_jobs: admin request on bad resource \'%s\'!",
               con->uri);
    send_ipp_error(con, IPP_NOT_AUTHORIZED);
    return;
  }

 /*
  * Is the destination valid?
  */

  httpSeparate(uri->values[0].string.text, method, username, host, &port, resource);

  if ((name = ValidateDest(host, resource, &dtype)) == NULL)
  {
   /*
    * Bad URI...
    */

    LogMessage(L_ERROR, "accept_jobs: resource name \'%s\' no good!", resource);
    send_ipp_error(con, IPP_NOT_FOUND);
    return;
  }

 /*
  * Accept jobs sent to the printer...
  */

  if (dtype & CUPS_PRINTER_CLASS)
    printer = FindClass(name);
  else
    printer = FindPrinter(name);

  printer->accepting        = 1;
  printer->state_message[0] = '\0';

  AddPrinterHistory(printer);

  if (dtype & CUPS_PRINTER_CLASS)
    SaveAllClasses();
  else
    SaveAllPrinters();

  LogMessage(L_INFO, "Printer \'%s\' now accepting jobs (\'%s\').", name,
             con->username);

 /*
  * Everything was ok, so return OK status...
  */

  con->response->request.status.status_code = IPP_OK;
}


/*
 * 'add_class()' - Add a class to the system.
 */

static void
add_class(client_t        *con,		/* I - Client connection */
          ipp_attribute_t *uri)		/* I - URI of class */
{
  int			i;		/* Looping var */
  char			method[HTTP_MAX_URI],
					/* Method portion of URI */
			username[HTTP_MAX_URI],
					/* Username portion of URI */
			host[HTTP_MAX_URI],
					/* Host portion of URI */
			resource[HTTP_MAX_URI];
					/* Resource portion of URI */
  int			port;		/* Port portion of URI */
  printer_t		*pclass;	/* Class */
  cups_ptype_t		dtype;		/* Destination type */
  const char		*dest;		/* Printer or class name */
  ipp_attribute_t	*attr;		/* Printer attribute */
  int			modify;		/* Non-zero if we just modified */


  LogMessage(L_DEBUG2, "add_class(%p[%d], %s)\n", con, con->http.fd,
             uri->values[0].string.text);

 /*
  * Was this operation called from the correct URI?
  */

  if (strncmp(con->uri, "/admin/", 7) != 0)
  {
    LogMessage(L_ERROR, "add_class: admin request on bad resource \'%s\'!",
               con->uri);
    send_ipp_error(con, IPP_NOT_AUTHORIZED);
    return;
  }

 /*
  * Do we have a valid URI?
  */

  httpSeparate(uri->values[0].string.text, method, username, host, &port, resource);

  if (strncmp(resource, "/classes/", 9) != 0 || strlen(resource) == 9)
  {
   /*
    * No, return an error...
    */

    send_ipp_error(con, IPP_BAD_REQUEST);
    return;
  }

 /*
  * See if the class already exists; if not, create a new class...
  */

  if ((pclass = FindClass(resource + 9)) == NULL)
  {
   /*
    * Class doesn't exist; see if we have a printer of the same name...
    */

    if ((pclass = FindPrinter(resource + 9)) != NULL &&
        !(pclass->type & CUPS_PRINTER_REMOTE))
    {
     /*
      * Yes, return an error...
      */

      send_ipp_error(con, IPP_NOT_POSSIBLE);
      return;
    }

   /*
    * No, add the pclass...
    */

    pclass = AddClass(resource + 9);
    modify = 0;
  }
  else if (pclass->type & CUPS_PRINTER_IMPLICIT)
  {
   /*
    * Rename the implicit class to "AnyClass" or remove it...
    */

    if (ImplicitAnyClasses)
    {
      SetStringf(&pclass->name, "Any%s", resource + 9);
      SortPrinters();
    }
    else
      DeletePrinter(pclass, 1);

   /*
    * Add the class as a new local class...
    */

    pclass = AddClass(resource + 9);
    modify = 0;
  }
  else if (pclass->type & CUPS_PRINTER_REMOTE)
  {
   /*
    * Rename the remote class to "Class"...
    */

    DeletePrinterFilters(pclass);
    SetStringf(&pclass->name, "%s@%s", resource + 9, pclass->hostname);
    SetPrinterAttrs(pclass);
    SortPrinters();

   /*
    * Add the class as a new local class...
    */

    pclass = AddClass(resource + 9);
    modify = 0;
  }
  else
    modify = 1;

 /*
  * Look for attributes and copy them over as needed...
  */

  if ((attr = ippFindAttribute(con->request, "printer-location", IPP_TAG_TEXT)) != NULL)
    SetString(&pclass->location, attr->values[0].string.text);

  if ((attr = ippFindAttribute(con->request, "printer-info", IPP_TAG_TEXT)) != NULL)
    SetString(&pclass->info, attr->values[0].string.text);

  if ((attr = ippFindAttribute(con->request, "printer-is-accepting-jobs", IPP_TAG_BOOLEAN)) != NULL)
  {
    LogMessage(L_INFO, "Setting %s printer-is-accepting-jobs to %d (was %d.)",
               pclass->name, attr->values[0].boolean, pclass->accepting);

    pclass->accepting = attr->values[0].boolean;
    AddPrinterHistory(pclass);
  }
  if ((attr = ippFindAttribute(con->request, "printer-state", IPP_TAG_ENUM)) != NULL)
  {
    if (attr->values[0].integer != IPP_PRINTER_IDLE &&
        attr->values[0].integer == IPP_PRINTER_STOPPED)
    {
      LogMessage(L_ERROR, "Attempt to set %s printer-state to bad value %d!",
                 pclass->name, attr->values[0].integer);
      send_ipp_error(con, IPP_BAD_REQUEST);
      return;
    }

    LogMessage(L_INFO, "Setting %s printer-state to %d (was %d.)", pclass->name,
               attr->values[0].integer, pclass->state);

    SetPrinterState(pclass, (ipp_pstate_t)(attr->values[0].integer), 0);
  }
  if ((attr = ippFindAttribute(con->request, "printer-state-message", IPP_TAG_TEXT)) != NULL)
  {
    strlcpy(pclass->state_message, attr->values[0].string.text,
            sizeof(pclass->state_message));
    AddPrinterHistory(pclass);
  }
  if ((attr = ippFindAttribute(con->request, "job-sheets-default", IPP_TAG_ZERO)) != NULL &&
      !Classification)
  {
    SetString(&pclass->job_sheets[0], attr->values[0].string.text);
    if (attr->num_values > 1)
      SetString(&pclass->job_sheets[1], attr->values[1].string.text);
    else
      SetString(&pclass->job_sheets[1], "none");
  }
  if ((attr = ippFindAttribute(con->request, "requesting-user-name-allowed",
                               IPP_TAG_ZERO)) != NULL)
  {
    FreePrinterUsers(pclass);

    pclass->deny_users = 0;
    if (attr->value_tag == IPP_TAG_NAME &&
        (attr->num_values > 1 ||
	 strcmp(attr->values[0].string.text, "all") != 0))
      for (i = 0; i < attr->num_values; i ++)
	AddPrinterUser(pclass, attr->values[i].string.text);
  }
  else if ((attr = ippFindAttribute(con->request, "requesting-user-name-denied",
                                    IPP_TAG_ZERO)) != NULL)
  {
    FreePrinterUsers(pclass);

    pclass->deny_users = 1;
    if (attr->value_tag == IPP_TAG_NAME &&
        (attr->num_values > 1 ||
	 strcmp(attr->values[0].string.text, "none") != 0))
      for (i = 0; i < attr->num_values; i ++)
	AddPrinterUser(pclass, attr->values[i].string.text);
  }
  if ((attr = ippFindAttribute(con->request, "job-quota-period",
                               IPP_TAG_INTEGER)) != NULL)
  {
    LogMessage(L_DEBUG, "add_class: Setting job-quota-period to %d...",
               attr->values[0].integer);
    FreeQuotas(pclass);
    pclass->quota_period = attr->values[0].integer;
  }
  if ((attr = ippFindAttribute(con->request, "job-k-limit",
                               IPP_TAG_INTEGER)) != NULL)
  {
    LogMessage(L_DEBUG, "add_class: Setting job-k-limit to %d...",
               attr->values[0].integer);
    FreeQuotas(pclass);
    pclass->k_limit = attr->values[0].integer;
  }
  if ((attr = ippFindAttribute(con->request, "job-page-limit",
                               IPP_TAG_INTEGER)) != NULL)
  {
    LogMessage(L_DEBUG, "add_class: Setting job-page-limit to %d...",
               attr->values[0].integer);
    FreeQuotas(pclass);
    pclass->page_limit = attr->values[0].integer;
  }

  if ((attr = ippFindAttribute(con->request, "member-uris", IPP_TAG_URI)) != NULL)
  {
   /*
    * Clear the printer array as needed...
    */

    if (pclass->num_printers > 0)
    {
      free(pclass->printers);
      pclass->num_printers = 0;
    }

   /*
    * Add each printer or class that is listed...
    */

    for (i = 0; i < attr->num_values; i ++)
    {
     /*
      * Search for the printer or class URI...
      */

      httpSeparate(attr->values[i].string.text, method, username, host,
                   &port, resource);

      if ((dest = ValidateDest(host, resource, &dtype)) == NULL)
      {
       /*
	* Bad URI...
	*/

        LogMessage(L_ERROR, "add_class: resource name \'%s\' no good!", resource);
	send_ipp_error(con, IPP_NOT_FOUND);
	return;
      }

     /*
      * Add it to the class...
      */

      if (dtype & CUPS_PRINTER_CLASS)
      {
        AddPrinterToClass(pclass, FindClass(dest));

	LogMessage(L_DEBUG, "add_class: Added class \"%s\" to class \"%s\"...",
	           dest, pclass->name);
      }
      else
      {
        AddPrinterToClass(pclass, FindPrinter(dest));

	LogMessage(L_DEBUG, "add_class: Added printer \"%s\" to class \"%s\"...",
	           dest, pclass->name);
      }
    }
  }

 /*
  * Update the printer class attributes and return...
  */

  SetPrinterAttrs(pclass);
  SaveAllClasses();
  CheckJobs();

  WritePrintcap();

  if (modify)
    LogMessage(L_INFO, "Class \'%s\' modified by \'%s\'.", pclass->name,
               con->username);
  else
  {
    AddPrinterHistory(pclass);

    LogMessage(L_INFO, "New class \'%s\' added by \'%s\'.", pclass->name,
               con->username);
  }

  con->response->request.status.status_code = IPP_OK;
}


/*
 * 'add_file()' - Add a file to a job.
 */

static int				/* O - 0 on success, -1 on error */
add_file(client_t    *con,		/* I - Connection to client */
         job_t       *job,		/* I - Job to add to */
         mime_type_t *filetype,		/* I - Type of file */
	 int         compression)	/* I - Compression */
{
  mime_type_t	**filetypes;		/* New filetypes array... */
  int		*compressions;		/* New compressions array... */


  LogMessage(L_DEBUG2, "add_file(con=%p[%d], job=%d, filetype=%s/%s, compression=%d)\n",
             con, con->http.fd, job->id, filetype->super, filetype->type,
	     compression);

 /*
  * Add the file to the job...
  */

  if (job->num_files == 0)
  {
    compressions = (int *)malloc(sizeof(int));
    filetypes    = (mime_type_t **)malloc(sizeof(mime_type_t *));
  }
  else
  {
    compressions = (int *)realloc(job->compressions,
                                  (job->num_files + 1) * sizeof(int));
    filetypes    = (mime_type_t **)realloc(job->filetypes,
                                           (job->num_files + 1) *
					   sizeof(mime_type_t *));
  }

  if (compressions == NULL || filetypes == NULL)
  {
    CancelJob(job->id, 1);
    LogMessage(L_ERROR, "add_file: unable to allocate memory for file types!");
    send_ipp_error(con, IPP_INTERNAL_ERROR);
    return (-1);
  }

  job->compressions                 = compressions;
  job->compressions[job->num_files] = compression;
  job->filetypes                    = filetypes;
  job->filetypes[job->num_files]    = filetype;

  job->num_files ++;

  return (0);
}
#endif

/*
 * 'add_job_state_reasons()' - Add the "job-state-reasons" attribute based
 *                             upon the job and printer state...