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

/*
 * "$Id: dirsvc.c,v 1.37 1999/06/25 14:50:23 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, &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, &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 (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)
	{
	  pclass = AddClass(name);
	  pclass->type |= CUPS_PRINTER_IMPLICIT;

          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, 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 1.37 1999/06/25 14:50:23 mike Exp $".
 */
Commit	Line	Data
a129ddbd	1	/*
e63d9801	2	* "$Id: dirsvc.c,v 1.37 1999/06/25 14:50:23 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
	93	if (bind(BrowseSocket, &addr, sizeof(addr)))
	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);
	180	if ((bytes = recvfrom(BrowseSocket, packet, sizeof(packet), 0, &addr, &len)) <= 0)
	181	{
	182	LogMessage(LOG_ERROR, "UpdateBrowseList: recv failed - %s.",
	183	strerror(errno));
	184	return;
	185	}
	186
	187	packet[bytes] = '\0';
	188	printf("UpdateBrowseList: (%d bytes from %08x) %s", bytes,
	189	ntohl(addr.sin_addr.s_addr), packet);
	190	#else
d6de4648	191	if ((bytes = recv(BrowseSocket, packet, sizeof(packet), 0)) <= 0)
f9bacabb	192	{
8828fd5f	193	LogMessage(LOG_ERROR, "UpdateBrowseList: recv failed - %s.",
8828fd5f	194	strerror(errno));
d6de4648	195	return;
f9bacabb	196	}
d6de4648	197
d6de4648	198	packet[bytes] = '\0';
18d7d592	199	#endif /* DEBUG */
d6de4648	200
	201	if (sscanf(packet, "%x%x%s", &type, &state, uri) != 3)
	202	{
	203	LogMessage(LOG_WARN, "UpdateBrowseList: Garbled browse packet - %s",
	204	packet);
	205	return;
	206	}
	207
a8b216d5	208	DEBUG_printf(("type=%x, state=%x, uri=\"%s\"\n", type, state, uri));
a8b216d5	209
d6de4648	210	/*
	211	* Pull the URI apart to see if this is a local or remote printer...
	212	*/
	213
	214	httpSeparate(uri, method, username, host, &port, resource);
	215
a8b216d5	216	DEBUG_printf(("host=\"%s\", ServerName=\"%s\"\n", host, ServerName));
a8b216d5	217
d6de4648	218	if (strcasecmp(host, ServerName) == 0)
	219	return;
	220
	221	/*
	222	* OK, this isn't a local printer; see if we already have it listed in
	223	* the Printers list, and add it if not...
	224	*/
	225
8b43895a	226	hptr = strchr(host, '.');
	227	sptr = strchr(ServerName, '.');
	228
	229	if (hptr != NULL && sptr != NULL &&
	230	strcasecmp(hptr, sptr) == 0)
	231	*hptr = '\0';
d6de4648	232
c7fa9d06	233	if (type & CUPS_PRINTER_CLASS)
d6de4648	234	{
d6de4648	235	/*
c7fa9d06	236	* Remote destination is a class...
d6de4648	237	*/
d6de4648	238
c7fa9d06	239	if (strncmp(resource, "/classes/", 9) == 0)
a71f40c4	240	sprintf(name, "%s@%s", resource + 9, host);
c7fa9d06	241	else
	242	return;
	243
	244	if ((p = FindClass(name)) == NULL)
a71f40c4	245	if ((p = FindClass(resource + 9)) != NULL)
eef5ad1b	246	{
a71f40c4	247	if (strcasecmp(p->hostname, host) != 0)
	248	{
	249	/*
	250	* Nope, this isn't the same host; if the hostname isn't the local host,
	251	* add it to the other class and then find a class using the full host
	252	* name...
	253	*/
	254
18d7d592	255	if (p->type & CUPS_PRINTER_REMOTE)
a71f40c4	256	{
	257	strcat(p->name, "@");
	258	strcat(p->name, p->hostname);
23050703	259	SetPrinterAttrs(p);
1cab4605	260	SortPrinters();
a71f40c4	261	}
	262
	263	p = NULL;
	264	}
eef5ad1b	265	}
	266	else
	267	strcpy(name, resource + 9);
a71f40c4	268
a71f40c4	269	if (p == NULL)
c7fa9d06	270	{
	271	/*
	272	* Class doesn't exist; add it...
	273	*/
d6de4648	274
782359ca	275	p = AddClass(name);
c7fa9d06	276
c7fa9d06	277	/*
782359ca	278	* Force the URI to point to the real server...
c7fa9d06	279	*/
c7fa9d06	280
5057ad3b	281	p->type = type;
c7fa9d06	282	strcpy(p->uri, uri);
c7fa9d06	283	strcpy(p->device_uri, uri);
67a6c918	284	strcpy(p->hostname, host);
5057ad3b	285	SetPrinterAttrs(p);
c7fa9d06	286	}
	287	}
	288	else
	289	{
d6de4648	290	/*
c7fa9d06	291	* Remote destination is a printer...
d6de4648	292	*/
d6de4648	293
c7fa9d06	294	if (strncmp(resource, "/printers/", 10) == 0)
a71f40c4	295	sprintf(name, "%s@%s", resource + 10, host);
c7fa9d06	296	else
	297	return;
	298
	299	if ((p = FindPrinter(name)) == NULL)
a71f40c4	300	if ((p = FindPrinter(resource + 10)) != NULL)
eef5ad1b	301	{
a71f40c4	302	if (strcasecmp(p->hostname, host) != 0)
	303	{
	304	/*
	305	* Nope, this isn't the same host; if the hostname isn't the local host,
	306	* add it to the other printer and then find a printer using the full host
	307	* name...
	308	*/
	309
18d7d592	310	if (p->type & CUPS_PRINTER_REMOTE)
a71f40c4	311	{
	312	strcat(p->name, "@");
	313	strcat(p->name, p->hostname);
23050703	314	SetPrinterAttrs(p);
1cab4605	315	SortPrinters();
a71f40c4	316	}
	317
	318	p = NULL;
	319	}
eef5ad1b	320	}
	321	else
	322	strcpy(name, resource + 10);
a71f40c4	323
a71f40c4	324	if (p == NULL)
c7fa9d06	325	{
	326	/*
	327	* Printer doesn't exist; add it...
	328	*/
	329
	330	p = AddPrinter(name);
	331
	332	/*
5057ad3b	333	* Force the URI to point to the real server...
c7fa9d06	334	*/
c7fa9d06	335
5057ad3b	336	p->type = type;
c7fa9d06	337	strcpy(p->uri, uri);
c7fa9d06	338	strcpy(p->device_uri, uri);
67a6c918	339	strcpy(p->hostname, host);
5057ad3b	340	SetPrinterAttrs(p);
c7fa9d06	341	}
d6de4648	342	}
	343
	344	/*
	345	* Update the state...
	346	*/
	347
f925c8de	348	p->type = type;
d6de4648	349	p->state = state;
0948b55b	350	p->accepting = state != IPP_PRINTER_STOPPED;
d6de4648	351	p->browse_time = time(NULL);
8b43895a	352
fb00e262	353	/*
	354	* See if we have a default printer...
	355	*/
	356
	357	if (DefaultPrinter == NULL && Printers != NULL)
	358	DefaultPrinter = Printers;
	359
8b43895a	360	/*
	361	* Do auto-classing if needed...
	362	*/
	363
	364	if (ImplicitClasses)
	365	{
	366	/*
	367	* Loop through all available printers and create classes as needed...
	368	*/
	369
eef5ad1b	370	for (p = Printers, len = 0, offset = 0; p != NULL; p = p->next)
8b43895a	371	{
	372	/*
	373	* Skip classes...
	374	*/
	375
	376	if (p->type & CUPS_PRINTER_CLASS)
	377	{
	378	len = 0;
	379	continue;
	380	}
	381
	382	/*
	383	* If len == 0, get the length of this printer name up to the "@"
	384	* sign (if any).
	385	*/
	386
	387	if (len > 0 &&
eef5ad1b	388	strncasecmp(p->name, name + offset, len) == 0 &&
8b43895a	389	(p->name[len] == '\0' \|\| p->name[len] == '@'))
	390	{
	391	/*
	392	* We have more than one printer with the same name; see if
	393	* we have a class, and if this printer is a member...
	394	*/
	395
	396	if ((pclass = FindClass(name)) == NULL)
18d7d592	397	{
8b43895a	398	pclass = AddClass(name);
18d7d592	399	pclass->type \|= CUPS_PRINTER_IMPLICIT;
20da3efb	400
	401	DEBUG_printf(("Added new class \"%s\", type = %x\n", name,
	402	pclass->type));
18d7d592	403	}
8b43895a	404
	405	if (first != NULL)
	406	{
	407	for (i = 0; i < pclass->num_printers; i ++)
	408	if (pclass->printers[i] == first)
	409	break;
	410
	411	if (i >= pclass->num_printers)
	412	AddPrinterToClass(pclass, first);
	413
	414	first = NULL;
	415	}
	416
	417	for (i = 0; i < pclass->num_printers; i ++)
	418	if (pclass->printers[i] == p)
	419	break;
	420
	421	if (i >= pclass->num_printers)
	422	AddPrinterToClass(pclass, p);
	423	}
	424	else
	425	{
	426	/*
	427	* First time around; just get name length and mark it as first
	428	* in the list...
	429	*/
	430
	431	if ((hptr = strchr(p->name, '@')) != NULL)
	432	len = hptr - p->name;
	433	else
	434	len = strlen(p->name);
	435
782359ca	436	strncpy(name, p->name, len);
782359ca	437	name[len] = '\0';
eef5ad1b	438	offset = 0;
782359ca	439
	440	if (FindPrinter(name) != NULL)
	441	{
	442	/*
	443	* Can't use same name as printer; add "Any" to the front of the
	444	* name...
	445	*/
	446
	447	strcpy(name, "Any");
	448	strncpy(name + 3, p->name, len);
	449	name[len + 3] = '\0';
eef5ad1b	450	offset = 3;
782359ca	451	}
782359ca	452
8b43895a	453	first = p;
	454	}
	455	}
	456	}
fd8b1cf8	457	}
	458
	459
d6de4648	460	/*
	461	* 'SendBrowseList()' - Send new browsing information.
	462	*/
	463
fd8b1cf8	464	void
	465	SendBrowseList(void)
	466	{
d6de4648	467	int i; /* Looping var */
	468	printer_t p, / Current printer */
	469	np; / Next printer */
f9d6449d	470	time_t ut, /* Minimum update time */
f9d6449d	471	to; /* Timeout time */
d6de4648	472	int bytes; /* Length of packet */
	473	char packet[1540];
	474	/* Browse data packet */
	475
	476
	477	/*
	478	* Compute the update time...
	479	*/
	480
f9d6449d	481	ut = time(NULL) - BrowseInterval;
f9d6449d	482	to = time(NULL) - BrowseTimeout;
d6de4648	483
	484	/*
	485	* Loop through all of the printers and send local updates as needed...
	486	*/
	487
	488	for (p = Printers; p != NULL; p = np)
	489	{
	490	np = p->next;
	491
	492	if (p->type & CUPS_PRINTER_REMOTE)
	493	{
	494	/*
	495	* See if this printer needs to be timed out...
	496	*/
	497
f9d6449d	498	if (p->browse_time < to)
e63d9801	499	{
	500	DEBUG_printf(("Printer \"%s\" has timed out (%d < %d...)\n",
	501	p->name, p->browse_time, to));
d6de4648	502	DeletePrinter(p);
e63d9801	503	}
d6de4648	504	}
18d7d592	505	else if (p->browse_time < ut && !(p->type & CUPS_PRINTER_IMPLICIT))
d6de4648	506	{
	507	/*
	508	* Need to send an update...
	509	*/
	510
	511	p->browse_time = time(NULL);
	512
ae5f9b38	513	sprintf(packet, "%x %x %s\n", p->type \| CUPS_PRINTER_REMOTE, p->state,
ae5f9b38	514	p->uri);
d6de4648	515	bytes = strlen(packet);
8828fd5f	516	DEBUG_printf(("SendBrowseList: (%d bytes) %s", bytes, packet));
d6de4648	517
	518	/*
	519	* Send a packet to each browse address...
	520	*/
	521
	522	for (i = 0; i < NumBrowsers; i ++)
f9bacabb	523	if (sendto(BrowseSocket, packet, bytes, 0, Browsers + i,
f9bacabb	524	sizeof(Browsers[0])) <= 0)
8828fd5f	525	LogMessage(LOG_ERROR, "SendBrowseList: sendto failed for browser %d - %s.",
fd3ece61	526	i + 1, strerror(errno));
d6de4648	527	}
d6de4648	528	}
fd8b1cf8	529	}
a129ddbd	530
	531
	532	/*
e63d9801	533	* End of "$Id: dirsvc.c,v 1.37 1999/06/25 14:50:23 mike Exp $".
a129ddbd	534	*/