[thirdparty/cups.git] / scheduler / dirsvc.c

/*
 * "$Id: dirsvc.c,v 1.40 1999/07/30 13:31:52 mike Exp $"
 *
 *   Directory services routines for the Common UNIX Printing System (CUPS).
 *
 *   Copyright 1997-1999 by Easy Software Products, all rights reserved.
 *
 *   These coded instructions, statements, and computer programs are the
 *   property of Easy Software Products and are protected by Federal
 *   copyright law.  Distribution and use rights are outlined in the file
 *   "LICENSE.txt" which should have been included with this file.  If this
 *   file is missing or damaged please contact Easy Software Products
 *   at:
 *
 *       Attn: CUPS Licensing Information
 *       Easy Software Products
 *       44141 Airport View Drive, Suite 204
 *       Hollywood, Maryland 20636-3111 USA
 *
 *       Voice: (301) 373-9603
 *       EMail: cups-info@cups.org
 *         WWW: http://www.cups.org
 *
 * Contents:
 *
 *   StartBrowsing()    - Start sending and receiving broadcast information.
 *   StopBrowsing()     - Stop sending and receiving broadcast information.
 *   UpdateBrowseList() - Update the browse lists for any new browse data.
 *   SendBrowseList()   - Send new browsing information.
 */

/*
 * Include necessary headers...
 */

#include "cupsd.h"


/*
 * 'StartBrowsing()' - Start sending and receiving broadcast information.
 */

void
StartBrowsing(void)
{
  int			val;	/* Socket option value */
  struct sockaddr_in	addr;	/* Broadcast address */


  if (!Browsing)
    return;

 /*
  * Create the broadcast socket...
  */

  if ((BrowseSocket = socket(AF_INET, SOCK_DGRAM, 0)) < 0)
  {
    LogMessage(LOG_ERROR, "StartBrowsing: Unable to create broadcast socket - %s.",
               strerror(errno));
    return;
  }

 /*
  * Set the "broadcast" flag...
  */

  val = 1;
  if (setsockopt(BrowseSocket, SOL_SOCKET, SO_BROADCAST, &val, sizeof(val)))
  {
    LogMessage(LOG_ERROR, "StartBrowsing: Unable to set broadcast mode - %s.",
               strerror(errno));

#if defined(WIN32) || defined(__EMX__)
    closesocket(BrowseSocket);
#else
    close(BrowseSocket);
#endif /* WIN32 || __EMX__ */

    BrowseSocket = -1;
    return;
  }

 /*
  * Bind the socket to browse port...
  */

  memset(&addr, 0, sizeof(addr));
  addr.sin_addr.s_addr = htonl(INADDR_ANY);
  addr.sin_family      = AF_INET;
  addr.sin_port        = htons(BrowsePort);

  if (bind(BrowseSocket, (struct sockaddr *)&addr, sizeof(addr)))
  {
    LogMessage(LOG_ERROR, "StartBrowsing: Unable to bind broadcast socket - %s.",
               strerror(errno));

#if defined(WIN32) || defined(__EMX__)
    closesocket(BrowseSocket);
#else
    close(BrowseSocket);
#endif /* WIN32 || __EMX__ */

    BrowseSocket = -1;
    return;
  }

 /*
  * Finally, add the socket to the input selection set...
  */

  FD_SET(BrowseSocket, &InputSet);
}


/*
 * 'StopBrowsing()' - Stop sending and receiving broadcast information.
 */

void
StopBrowsing(void)
{
  if (!Browsing)
    return;

 /*
  * Close the socket and remove it from the input selection set.
  */

  if (BrowseSocket >= 0)
  {
#if defined(WIN32) || defined(__EMX__)
    closesocket(BrowseSocket);
#else
    close(BrowseSocket);
#endif /* WIN32 || __EMX__ */

    FD_CLR(BrowseSocket, &InputSet);
  }
}


/*
 * 'UpdateBrowseList()' - Update the browse lists for any new browse data.
 */

void
UpdateBrowseList(void)
{
  int		i;			/* Looping var */
  int		len,			/* Length of name string */
		offset;			/* Offset in name string */
  int		bytes;			/* Number of bytes left */
  char		packet[1540];		/* Broadcast packet */
  cups_ptype_t	type;			/* Printer type */
  ipp_pstate_t	state;			/* Printer state */
  char		uri[HTTP_MAX_URI],	/* Printer URI */
		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 */
  char		name[IPP_MAX_NAME],	/* Name of printer */
		*hptr,			/* Pointer into hostname */
		*sptr;			/* Pointer into ServerName */
  printer_t	*p,			/* Printer information */
		*pclass,		/* Printer class */
		*first;			/* First printer in class */


 /*
  * Read a packet from the browse socket...
  */

#ifdef DEBUG
  struct sockaddr_in	addr;


  len = sizeof(addr);
  if ((bytes = recvfrom(BrowseSocket, packet, sizeof(packet), 0, 
                        (struct sockaddr *)&addr, &len)) <= 0)
  {
    LogMessage(LOG_ERROR, "UpdateBrowseList: recv failed - %s.",
               strerror(errno));
    return;
  }

  packet[bytes] = '\0';
  printf("UpdateBrowseList: (%d bytes from %08x) %s", bytes,
         ntohl(addr.sin_addr.s_addr), packet);
#else
  if ((bytes = recv(BrowseSocket, packet, sizeof(packet), 0)) <= 0)
  {
    LogMessage(LOG_ERROR, "UpdateBrowseList: recv failed - %s.",
               strerror(errno));
    return;
  }

  packet[bytes] = '\0';
#endif /* DEBUG */

  if (sscanf(packet, "%x%x%s", &type, &state, uri) != 3)
  {
    LogMessage(LOG_WARN, "UpdateBrowseList: Garbled browse packet - %s",
               packet);
    return;
  }

  DEBUG_printf(("type=%x, state=%x, uri=\"%s\"\n", type, state, uri));

 /*
  * Pull the URI apart to see if this is a local or remote printer...
  */

  httpSeparate(uri, method, username, host, &port, resource);

  DEBUG_printf(("host=\"%s\", ServerName=\"%s\"\n", host, ServerName));

  if (strcasecmp(host, ServerName) == 0)
    return;

 /*
  * OK, this isn't a local printer; see if we already have it listed in
  * the Printers list, and add it if not...
  */

  hptr = strchr(host, '.');
  sptr = strchr(ServerName, '.');

  if (hptr != NULL && sptr != NULL &&
      strcasecmp(hptr, sptr) == 0)
    *hptr = '\0';

  if (type & CUPS_PRINTER_CLASS)
  {
   /*
    * Remote destination is a class...
    */

    if (strncmp(resource, "/classes/", 9) == 0)
      sprintf(name, "%s@%s", resource + 9, host);
    else
      return;

    if ((p = FindClass(name)) == NULL)
      if ((p = FindClass(resource + 9)) != NULL)
      {
        if (strcasecmp(p->hostname, host) != 0)
	{
	 /*
	  * Nope, this isn't the same host; if the hostname isn't the local host,
	  * add it to the other class and then find a class using the full host
	  * name...
	  */

	  if (p->type & CUPS_PRINTER_REMOTE)
	  {
            strcat(p->name, "@");
	    strcat(p->name, p->hostname);
	    SetPrinterAttrs(p);
	    SortPrinters();
	  }

          p = NULL;
	}
      }
      else
        strcpy(name, resource + 9);

    if (p == NULL)
    {
     /*
      * Class doesn't exist; add it...
      */

      p = AddClass(name);

     /*
      * Force the URI to point to the real server...
      */

      p->type = type;
      strcpy(p->uri, uri);
      strcpy(p->device_uri, uri);
      strcpy(p->hostname, host);
      SetPrinterAttrs(p);
    }
  }
  else
  {
   /*
    * Remote destination is a printer...
    */

    if (strncmp(resource, "/printers/", 10) == 0)
      sprintf(name, "%s@%s", resource + 10, host);
    else
      return;

    if ((p = FindPrinter(name)) == NULL)
      if ((p = FindPrinter(resource + 10)) != NULL)
      {
        if (strcasecmp(p->hostname, host) != 0)
	{
	 /*
	  * Nope, this isn't the same host; if the hostname isn't the local host,
	  * add it to the other printer and then find a printer using the full host
	  * name...
	  */

	  if (p->type & CUPS_PRINTER_REMOTE)
	  {
            strcat(p->name, "@");
	    strcat(p->name, p->hostname);
	    SetPrinterAttrs(p);
	    SortPrinters();
	  }

          p = NULL;
	}
      }
      else
        strcpy(name, resource + 10);

    if (p == NULL)
    {
     /*
      * Printer doesn't exist; add it...
      */

      p = AddPrinter(name);

     /*
      * Force the URI to point to the real server...
      */

      p->type = type;
      strcpy(p->uri, uri);
      strcpy(p->device_uri, uri);
      strcpy(p->hostname, host);
      SetPrinterAttrs(p);
    }
  }

 /*
  * Update the state...
  */

  p->type        = type;
  p->state       = state;
  p->accepting   = state != IPP_PRINTER_STOPPED;
  p->browse_time = time(NULL);

 /*
  * See if we have a default printer...  If not, make the first printer the
  * default.
  */

  if (DefaultPrinter == NULL && Printers != NULL)
    DefaultPrinter = Printers;

 /*
  * Do auto-classing if needed...
  */

  if (ImplicitClasses)
  {
   /*
    * Loop through all available printers and create classes as needed...
    */

    for (p = Printers, len = 0, offset = 0; p != NULL; p = p->next)
    {
     /*
      * Skip classes...
      */

      if (p->type & CUPS_PRINTER_CLASS)
      {
        len = 0;
        continue;
      }

     /*
      * If len == 0, get the length of this printer name up to the "@"
      * sign (if any).
      */

      if (len > 0 &&
	  strncasecmp(p->name, name + offset, len) == 0 &&
	  (p->name[len] == '\0' || p->name[len] == '@'))
      {
       /*
	* We have more than one printer with the same name; see if
	* we have a class, and if this printer is a member...
	*/

        if ((pclass = FindClass(name)) == NULL)
	{
	 /*
	  * Need to add the class...
	  */

	  pclass = AddClass(name);
	  pclass->type      |= CUPS_PRINTER_IMPLICIT;
	  pclass->accepting = 1;
	  pclass->state     = IPP_PRINTER_IDLE;

          SetPrinterAttrs(pclass);

          DEBUG_printf(("Added new class \"%s\", type = %x\n", name,
	                pclass->type));
	}

        if (first != NULL)
	{
          for (i = 0; i < pclass->num_printers; i ++)
	    if (pclass->printers[i] == first)
	      break;

          if (i >= pclass->num_printers)
	    AddPrinterToClass(pclass, first);

	  first = NULL;
	}

        for (i = 0; i < pclass->num_printers; i ++)
	  if (pclass->printers[i] == p)
	    break;

        if (i >= pclass->num_printers)
	  AddPrinterToClass(pclass, p);
      }
      else
      {
       /*
        * First time around; just get name length and mark it as first
	* in the list...
	*/

	if ((hptr = strchr(p->name, '@')) != NULL)
	  len = hptr - p->name;
	else
	  len = strlen(p->name);

        strncpy(name, p->name, len);
	name[len] = '\0';
	offset    = 0;

	if (FindPrinter(name) != NULL)
	{
	 /*
	  * Can't use same name as printer; add "Any" to the front of the
	  * name...
	  */

          strcpy(name, "Any");
          strncpy(name + 3, p->name, len);
	  name[len + 3] = '\0';
	  offset        = 3;
	}

	first = p;
      }
    }
  }
}


/*
 * 'SendBrowseList()' - Send new browsing information.
 */

void
SendBrowseList(void)
{
  int			i;	/* Looping var */
  printer_t		*p,	/* Current printer */
			*np;	/* Next printer */
  time_t		ut,	/* Minimum update time */
			to;	/* Timeout time */
  int			bytes;	/* Length of packet */
  char			packet[1540];
				/* Browse data packet */


 /*
  * Compute the update time...
  */

  ut = time(NULL) - BrowseInterval;
  to = time(NULL) - BrowseTimeout;

 /*
  * Loop through all of the printers and send local updates as needed...
  */

  for (p = Printers; p != NULL; p = np)
  {
    np = p->next;

    if (p->type & CUPS_PRINTER_REMOTE)
    {
     /*
      * See if this printer needs to be timed out...
      */

      if (p->browse_time < to)
      {
        DEBUG_printf(("Printer \"%s\" has timed out (%d < %d...)\n",
	              p->name, p->browse_time, to));
        DeletePrinter(p);
      }
    }
    else if (p->browse_time < ut && !(p->type & CUPS_PRINTER_IMPLICIT))
    {
     /*
      * Need to send an update...
      */

      p->browse_time = time(NULL);

      sprintf(packet, "%x %x %s\n", p->type | CUPS_PRINTER_REMOTE, p->state,
              p->uri);
      bytes = strlen(packet);
      DEBUG_printf(("SendBrowseList: (%d bytes) %s", bytes, packet));

     /*
      * Send a packet to each browse address...
      */

      for (i = 0; i < NumBrowsers; i ++)
	if (sendto(BrowseSocket, packet, bytes, 0,
	           (struct sockaddr *)Browsers + i, sizeof(Browsers[0])) <= 0)
	  LogMessage(LOG_ERROR, "SendBrowseList: sendto failed for browser %d - %s.",
	             i + 1, strerror(errno));
    }
  }
}


/*
 * End of "$Id: dirsvc.c,v 1.40 1999/07/30 13:31:52 mike Exp $".
 */
Commit	Line	Data
a129ddbd	1	/*
16b0a852	2	* "$Id: dirsvc.c,v 1.40 1999/07/30 13:31:52 mike Exp $"
a129ddbd	3	*
d6de4648	4	* Directory services routines for the Common UNIX Printing System (CUPS).
a129ddbd	5	*
a9de544f	6	* Copyright 1997-1999 by Easy Software Products, all rights reserved.
a129ddbd	7	*
	8	* These coded instructions, statements, and computer programs are the
	9	* property of Easy Software Products and are protected by Federal
	10	* copyright law. Distribution and use rights are outlined in the file
	11	* "LICENSE.txt" which should have been included with this file. If this
	12	* file is missing or damaged please contact Easy Software Products
	13	* at:
	14	*
	15	* Attn: CUPS Licensing Information
	16	* Easy Software Products
8784b6a6	17	* 44141 Airport View Drive, Suite 204
a129ddbd	18	* Hollywood, Maryland 20636-3111 USA
	19	*
	20	* Voice: (301) 373-9603
	21	* EMail: cups-info@cups.org
	22	* WWW: http://www.cups.org
	23	*
	24	* Contents:
	25	*
cbbfcc63	26	* StartBrowsing() - Start sending and receiving broadcast information.
	27	* StopBrowsing() - Stop sending and receiving broadcast information.
	28	* UpdateBrowseList() - Update the browse lists for any new browse data.
	29	* SendBrowseList() - Send new browsing information.
a129ddbd	30	*/
	31
	32	/*
	33	* Include necessary headers...
	34	*/
	35
fd8b1cf8	36	#include "cupsd.h"
	37
	38
d6de4648	39	/*
	40	* 'StartBrowsing()' - Start sending and receiving broadcast information.
	41	*/
	42
fd8b1cf8	43	void
	44	StartBrowsing(void)
	45	{
d6de4648	46	int val; /* Socket option value */
	47	struct sockaddr_in addr; /* Broadcast address */
	48
	49
8828fd5f	50	if (!Browsing)
d6de4648	51	return;
	52
	53	/*
	54	* Create the broadcast socket...
	55	*/
	56
900b10ea	57	if ((BrowseSocket = socket(AF_INET, SOCK_DGRAM, 0)) < 0)
d6de4648	58	{
	59	LogMessage(LOG_ERROR, "StartBrowsing: Unable to create broadcast socket - %s.",
	60	strerror(errno));
	61	return;
	62	}
	63
	64	/*
900b10ea	65	* Set the "broadcast" flag...
d6de4648	66	*/
	67
	68	val = 1;
e9e40963	69	if (setsockopt(BrowseSocket, SOL_SOCKET, SO_BROADCAST, &val, sizeof(val)))
fd3ece61	70	{
	71	LogMessage(LOG_ERROR, "StartBrowsing: Unable to set broadcast mode - %s.",
	72	strerror(errno));
	73
	74	#if defined(WIN32) \|\| defined(__EMX__)
	75	closesocket(BrowseSocket);
	76	#else
	77	close(BrowseSocket);
	78	#endif /* WIN32 \|\| __EMX__ */
	79
	80	BrowseSocket = -1;
	81	return;
	82	}
d6de4648	83
d6de4648	84	/*
	85	* Bind the socket to browse port...
	86	*/
	87
d6de4648	88	memset(&addr, 0, sizeof(addr));
	89	addr.sin_addr.s_addr = htonl(INADDR_ANY);
	90	addr.sin_family = AF_INET;
	91	addr.sin_port = htons(BrowsePort);
	92
16b0a852	93	if (bind(BrowseSocket, (struct sockaddr *)&addr, sizeof(addr)))
d6de4648	94	{
	95	LogMessage(LOG_ERROR, "StartBrowsing: Unable to bind broadcast socket - %s.",
	96	strerror(errno));
	97
	98	#if defined(WIN32) \|\| defined(__EMX__)
	99	closesocket(BrowseSocket);
	100	#else
	101	close(BrowseSocket);
	102	#endif /* WIN32 \|\| __EMX__ */
	103
	104	BrowseSocket = -1;
	105	return;
	106	}
	107
	108	/*
	109	* Finally, add the socket to the input selection set...
	110	*/
	111
	112	FD_SET(BrowseSocket, &InputSet);
fd8b1cf8	113	}
	114
	115
d6de4648	116	/*
	117	* 'StopBrowsing()' - Stop sending and receiving broadcast information.
	118	*/
	119
fd8b1cf8	120	void
	121	StopBrowsing(void)
	122	{
8828fd5f	123	if (!Browsing)
d6de4648	124	return;
	125
	126	/*
	127	* Close the socket and remove it from the input selection set.
	128	*/
	129
3c7bb4a2	130	if (BrowseSocket >= 0)
3c7bb4a2	131	{
d6de4648	132	#if defined(WIN32) \|\| defined(__EMX__)
3c7bb4a2	133	closesocket(BrowseSocket);
d6de4648	134	#else
3c7bb4a2	135	close(BrowseSocket);
d6de4648	136	#endif /* WIN32 \|\| __EMX__ */
d6de4648	137
3c7bb4a2	138	FD_CLR(BrowseSocket, &InputSet);
3c7bb4a2	139	}
fd8b1cf8	140	}
	141
	142
d6de4648	143	/*
	144	* 'UpdateBrowseList()' - Update the browse lists for any new browse data.
	145	*/
	146
fd8b1cf8	147	void
	148	UpdateBrowseList(void)
	149	{
8b43895a	150	int i; /* Looping var */
eef5ad1b	151	int len, /* Length of name string */
eef5ad1b	152	offset; /* Offset in name string */
d6de4648	153	int bytes; /* Number of bytes left */
	154	char packet[1540]; /* Broadcast packet */
	155	cups_ptype_t type; /* Printer type */
	156	ipp_pstate_t state; /* Printer state */
	157	char uri[HTTP_MAX_URI], /* Printer URI */
	158	method[HTTP_MAX_URI], /* Method portion of URI */
	159	username[HTTP_MAX_URI], /* Username portion of URI */
	160	host[HTTP_MAX_URI], /* Host portion of URI */
	161	resource[HTTP_MAX_URI]; /* Resource portion of URI */
	162	int port; /* Port portion of URI */
	163	char name[IPP_MAX_NAME], /* Name of printer */
8b43895a	164	hptr, / Pointer into hostname */
	165	sptr; / Pointer into ServerName */
	166	printer_t p, / Printer information */
	167	pclass, / Printer class */
	168	first; / First printer in class */
d6de4648	169
	170
	171	/*
	172	* Read a packet from the browse socket...
	173	*/
	174
18d7d592	175	#ifdef DEBUG
18d7d592	176	struct sockaddr_in addr;
18d7d592	177
	178
	179	len = sizeof(addr);
16b0a852	180	if ((bytes = recvfrom(BrowseSocket, packet, sizeof(packet), 0,
16b0a852	181	(struct sockaddr *)&addr, &len)) <= 0)
18d7d592	182	{
	183	LogMessage(LOG_ERROR, "UpdateBrowseList: recv failed - %s.",
	184	strerror(errno));
	185	return;
	186	}
	187
	188	packet[bytes] = '\0';
	189	printf("UpdateBrowseList: (%d bytes from %08x) %s", bytes,
	190	ntohl(addr.sin_addr.s_addr), packet);
	191	#else
d6de4648	192	if ((bytes = recv(BrowseSocket, packet, sizeof(packet), 0)) <= 0)
f9bacabb	193	{
8828fd5f	194	LogMessage(LOG_ERROR, "UpdateBrowseList: recv failed - %s.",
8828fd5f	195	strerror(errno));
d6de4648	196	return;
f9bacabb	197	}
d6de4648	198
d6de4648	199	packet[bytes] = '\0';
18d7d592	200	#endif /* DEBUG */
d6de4648	201
	202	if (sscanf(packet, "%x%x%s", &type, &state, uri) != 3)
	203	{
	204	LogMessage(LOG_WARN, "UpdateBrowseList: Garbled browse packet - %s",
	205	packet);
	206	return;
	207	}
	208
a8b216d5	209	DEBUG_printf(("type=%x, state=%x, uri=\"%s\"\n", type, state, uri));
a8b216d5	210
d6de4648	211	/*
	212	* Pull the URI apart to see if this is a local or remote printer...
	213	*/
	214
	215	httpSeparate(uri, method, username, host, &port, resource);
	216
a8b216d5	217	DEBUG_printf(("host=\"%s\", ServerName=\"%s\"\n", host, ServerName));
a8b216d5	218
d6de4648	219	if (strcasecmp(host, ServerName) == 0)
	220	return;
	221
	222	/*
	223	* OK, this isn't a local printer; see if we already have it listed in
	224	* the Printers list, and add it if not...
	225	*/
	226
8b43895a	227	hptr = strchr(host, '.');
	228	sptr = strchr(ServerName, '.');
	229
	230	if (hptr != NULL && sptr != NULL &&
	231	strcasecmp(hptr, sptr) == 0)
	232	*hptr = '\0';
d6de4648	233
c7fa9d06	234	if (type & CUPS_PRINTER_CLASS)
d6de4648	235	{
d6de4648	236	/*
c7fa9d06	237	* Remote destination is a class...
d6de4648	238	*/
d6de4648	239
c7fa9d06	240	if (strncmp(resource, "/classes/", 9) == 0)
a71f40c4	241	sprintf(name, "%s@%s", resource + 9, host);
c7fa9d06	242	else
	243	return;
	244
	245	if ((p = FindClass(name)) == NULL)
a71f40c4	246	if ((p = FindClass(resource + 9)) != NULL)
eef5ad1b	247	{
a71f40c4	248	if (strcasecmp(p->hostname, host) != 0)
	249	{
	250	/*
	251	* Nope, this isn't the same host; if the hostname isn't the local host,
	252	* add it to the other class and then find a class using the full host
	253	* name...
	254	*/
	255
18d7d592	256	if (p->type & CUPS_PRINTER_REMOTE)
a71f40c4	257	{
	258	strcat(p->name, "@");
	259	strcat(p->name, p->hostname);
23050703	260	SetPrinterAttrs(p);
1cab4605	261	SortPrinters();
a71f40c4	262	}
	263
	264	p = NULL;
	265	}
eef5ad1b	266	}
	267	else
	268	strcpy(name, resource + 9);
a71f40c4	269
a71f40c4	270	if (p == NULL)
c7fa9d06	271	{
	272	/*
	273	* Class doesn't exist; add it...
	274	*/
d6de4648	275
782359ca	276	p = AddClass(name);
c7fa9d06	277
c7fa9d06	278	/*
782359ca	279	* Force the URI to point to the real server...
c7fa9d06	280	*/
c7fa9d06	281
5057ad3b	282	p->type = type;
c7fa9d06	283	strcpy(p->uri, uri);
c7fa9d06	284	strcpy(p->device_uri, uri);
67a6c918	285	strcpy(p->hostname, host);
5057ad3b	286	SetPrinterAttrs(p);
c7fa9d06	287	}
	288	}
	289	else
	290	{
d6de4648	291	/*
c7fa9d06	292	* Remote destination is a printer...
d6de4648	293	*/
d6de4648	294
c7fa9d06	295	if (strncmp(resource, "/printers/", 10) == 0)
a71f40c4	296	sprintf(name, "%s@%s", resource + 10, host);
c7fa9d06	297	else
	298	return;
	299
	300	if ((p = FindPrinter(name)) == NULL)
a71f40c4	301	if ((p = FindPrinter(resource + 10)) != NULL)
eef5ad1b	302	{
a71f40c4	303	if (strcasecmp(p->hostname, host) != 0)
	304	{
	305	/*
	306	* Nope, this isn't the same host; if the hostname isn't the local host,
	307	* add it to the other printer and then find a printer using the full host
	308	* name...
	309	*/
	310
18d7d592	311	if (p->type & CUPS_PRINTER_REMOTE)
a71f40c4	312	{
	313	strcat(p->name, "@");
	314	strcat(p->name, p->hostname);
23050703	315	SetPrinterAttrs(p);
1cab4605	316	SortPrinters();
a71f40c4	317	}
	318
	319	p = NULL;
	320	}
eef5ad1b	321	}
	322	else
	323	strcpy(name, resource + 10);
a71f40c4	324
a71f40c4	325	if (p == NULL)
c7fa9d06	326	{
	327	/*
	328	* Printer doesn't exist; add it...
	329	*/
	330
	331	p = AddPrinter(name);
	332
	333	/*
5057ad3b	334	* Force the URI to point to the real server...
c7fa9d06	335	*/
c7fa9d06	336
5057ad3b	337	p->type = type;
c7fa9d06	338	strcpy(p->uri, uri);
c7fa9d06	339	strcpy(p->device_uri, uri);
67a6c918	340	strcpy(p->hostname, host);
5057ad3b	341	SetPrinterAttrs(p);
c7fa9d06	342	}
d6de4648	343	}
	344
	345	/*
	346	* Update the state...
	347	*/
	348
f925c8de	349	p->type = type;
d6de4648	350	p->state = state;
0948b55b	351	p->accepting = state != IPP_PRINTER_STOPPED;
d6de4648	352	p->browse_time = time(NULL);
8b43895a	353
fb00e262	354	/*
4621b86f	355	* See if we have a default printer... If not, make the first printer the
4621b86f	356	* default.
fb00e262	357	*/
	358
	359	if (DefaultPrinter == NULL && Printers != NULL)
	360	DefaultPrinter = Printers;
	361
8b43895a	362	/*
	363	* Do auto-classing if needed...
	364	*/
	365
	366	if (ImplicitClasses)
	367	{
	368	/*
	369	* Loop through all available printers and create classes as needed...
	370	*/
	371
eef5ad1b	372	for (p = Printers, len = 0, offset = 0; p != NULL; p = p->next)
8b43895a	373	{
	374	/*
	375	* Skip classes...
	376	*/
	377
	378	if (p->type & CUPS_PRINTER_CLASS)
	379	{
	380	len = 0;
	381	continue;
	382	}
	383
	384	/*
	385	* If len == 0, get the length of this printer name up to the "@"
	386	* sign (if any).
	387	*/
	388
	389	if (len > 0 &&
eef5ad1b	390	strncasecmp(p->name, name + offset, len) == 0 &&
8b43895a	391	(p->name[len] == '\0' \|\| p->name[len] == '@'))
	392	{
	393	/*
	394	* We have more than one printer with the same name; see if
	395	* we have a class, and if this printer is a member...
	396	*/
	397
	398	if ((pclass = FindClass(name)) == NULL)
18d7d592	399	{
4139b718	400	/*
	401	* Need to add the class...
	402	*/
	403
8b43895a	404	pclass = AddClass(name);
4139b718	405	pclass->type \|= CUPS_PRINTER_IMPLICIT;
	406	pclass->accepting = 1;
	407	pclass->state = IPP_PRINTER_IDLE;
	408
	409	SetPrinterAttrs(pclass);
20da3efb	410
	411	DEBUG_printf(("Added new class \"%s\", type = %x\n", name,
	412	pclass->type));
18d7d592	413	}
8b43895a	414
	415	if (first != NULL)
	416	{
	417	for (i = 0; i < pclass->num_printers; i ++)
	418	if (pclass->printers[i] == first)
	419	break;
	420
	421	if (i >= pclass->num_printers)
	422	AddPrinterToClass(pclass, first);
	423
	424	first = NULL;
	425	}
	426
	427	for (i = 0; i < pclass->num_printers; i ++)
	428	if (pclass->printers[i] == p)
	429	break;
	430
	431	if (i >= pclass->num_printers)
	432	AddPrinterToClass(pclass, p);
	433	}
	434	else
	435	{
	436	/*
	437	* First time around; just get name length and mark it as first
	438	* in the list...
	439	*/
	440
	441	if ((hptr = strchr(p->name, '@')) != NULL)
	442	len = hptr - p->name;
	443	else
	444	len = strlen(p->name);
	445
782359ca	446	strncpy(name, p->name, len);
782359ca	447	name[len] = '\0';
eef5ad1b	448	offset = 0;
782359ca	449
	450	if (FindPrinter(name) != NULL)
	451	{
	452	/*
	453	* Can't use same name as printer; add "Any" to the front of the
	454	* name...
	455	*/
	456
	457	strcpy(name, "Any");
	458	strncpy(name + 3, p->name, len);
	459	name[len + 3] = '\0';
eef5ad1b	460	offset = 3;
782359ca	461	}
782359ca	462
8b43895a	463	first = p;
	464	}
	465	}
	466	}
fd8b1cf8	467	}
	468
	469
d6de4648	470	/*
	471	* 'SendBrowseList()' - Send new browsing information.
	472	*/
	473
fd8b1cf8	474	void
	475	SendBrowseList(void)
	476	{
d6de4648	477	int i; /* Looping var */
	478	printer_t p, / Current printer */
	479	np; / Next printer */
f9d6449d	480	time_t ut, /* Minimum update time */
f9d6449d	481	to; /* Timeout time */
d6de4648	482	int bytes; /* Length of packet */
	483	char packet[1540];
	484	/* Browse data packet */
	485
	486
	487	/*
	488	* Compute the update time...
	489	*/
	490
f9d6449d	491	ut = time(NULL) - BrowseInterval;
f9d6449d	492	to = time(NULL) - BrowseTimeout;
d6de4648	493
	494	/*
	495	* Loop through all of the printers and send local updates as needed...
	496	*/
	497
	498	for (p = Printers; p != NULL; p = np)
	499	{
	500	np = p->next;
	501
	502	if (p->type & CUPS_PRINTER_REMOTE)
	503	{
	504	/*
	505	* See if this printer needs to be timed out...
	506	*/
	507
f9d6449d	508	if (p->browse_time < to)
e63d9801	509	{
	510	DEBUG_printf(("Printer \"%s\" has timed out (%d < %d...)\n",
	511	p->name, p->browse_time, to));
d6de4648	512	DeletePrinter(p);
e63d9801	513	}
d6de4648	514	}
18d7d592	515	else if (p->browse_time < ut && !(p->type & CUPS_PRINTER_IMPLICIT))
d6de4648	516	{
	517	/*
	518	* Need to send an update...
	519	*/
	520
	521	p->browse_time = time(NULL);
	522
ae5f9b38	523	sprintf(packet, "%x %x %s\n", p->type \| CUPS_PRINTER_REMOTE, p->state,
ae5f9b38	524	p->uri);
d6de4648	525	bytes = strlen(packet);
8828fd5f	526	DEBUG_printf(("SendBrowseList: (%d bytes) %s", bytes, packet));
d6de4648	527
	528	/*
	529	* Send a packet to each browse address...
	530	*/
	531
	532	for (i = 0; i < NumBrowsers; i ++)
16b0a852	533	if (sendto(BrowseSocket, packet, bytes, 0,
16b0a852	534	(struct sockaddr *)Browsers + i, sizeof(Browsers[0])) <= 0)
8828fd5f	535	LogMessage(LOG_ERROR, "SendBrowseList: sendto failed for browser %d - %s.",
fd3ece61	536	i + 1, strerror(errno));
d6de4648	537	}
d6de4648	538	}
fd8b1cf8	539	}
a129ddbd	540
	541
	542	/*
16b0a852	543	* End of "$Id: dirsvc.c,v 1.40 1999/07/30 13:31:52 mike Exp $".
a129ddbd	544	*/