]> git.ipfire.org Git - thirdparty/cups.git/blobdiff - scheduler/dirsvc.c
Merge changes from CUPS 1.5svn-r9352.
[thirdparty/cups.git] / scheduler / dirsvc.c
index ea54dbfba632ad3b295ec5ed551f35d9638d23dc..2f7f0e6c4dbc2dae6044f50140265dab2236534d 100644 (file)
@@ -1,9 +1,9 @@
 /*
- * "$Id: dirsvc.c 7003 2007-10-01 23:10:13Z mike $"
+ * "$Id: dirsvc.c 7933 2008-09-11 00:44:58Z mike $"
  *
- *   Directory services routines for the Common UNIX Printing System (CUPS).
+ *   Directory services routines for the CUPS scheduler.
  *
- *   Copyright 2007-2008 by Apple Inc.
+ *   Copyright 2007-2010 by Apple Inc.
  *   Copyright 1997-2007 by Easy Software Products, all rights reserved.
  *
  *   These coded instructions, statements, and computer programs are the
  *   cupsdRestartPolling()      - Restart polling servers as needed.
  *   cupsdSaveRemoteCache()     - Save the remote printer cache.
  *   cupsdSendBrowseList()      - Send new browsing information as necessary.
+ *   ldap_rebind_proc()         - Callback function for LDAP rebind
+ *   ldap_connect()             - Start new LDAP connection
+ *   ldap_reconnect()           - Reconnect to LDAP Server
+ *   ldap_disconnect()          - Disconnect from LDAP Server
  *   cupsdStartBrowsing()       - Start sending and receiving broadcast
  *                                information.
  *   cupsdStartPolling()        - Start polling servers as needed.
  *   cupsdStopBrowsing()        - Stop sending and receiving broadcast
  *                                information.
  *   cupsdStopPolling()         - Stop polling servers as needed.
- *   cupsdUpdateDNSSDBrowse()   - Handle DNS-SD queries.
  *   cupsdUpdateDNSSDName()     - Update the computer name we use for
  *                                browsing...
  *   cupsdUpdateLDAPBrowse()    - Scan for new printers via LDAP...
  *   cupsdUpdateSLPBrowse()     - Get browsing information via SLP.
  *   dequote()                  - Remote quotes from a string.
+ *   dnssdAddAlias()            - Add a DNS-SD alias name.
  *   dnssdBuildTxtRecord()      - Build a TXT record from printer info.
  *   dnssdComparePrinters()     - Compare the registered names of two printers.
  *   dnssdDeregisterPrinter()   - Stop sending broadcast information for a
@@ -44,6 +48,9 @@
  *   dnssdRegisterCallback()    - DNSServiceRegister callback.
  *   dnssdRegisterPrinter()     - Start sending broadcast information for a
  *                                printer or update the broadcast contents.
+ *   dnssdStop()                - Stop all DNS-SD registrations.
+ *   dnssdUpdate()              - Handle DNS-SD queries.
+ *   get_auth_info_required()   - Get the auth-info-required value to advertise.
  *   get_hostconfig()           - Get an /etc/hostconfig service setting.
  *   is_local_queue()           - Determine whether the URI points at a local
  *                                queue.
  *   process_implicit_classes() - Create/update implicit classes as needed.
  *   send_cups_browse()         - Send new browsing information using the CUPS
  *                                protocol.
+ *   ldap_search_rec()          - LDAP Search with reconnect
+ *   ldap_freeres()             - Free LDAPMessage
+ *   ldap_getval_char()         - Get first LDAP value and convert to string
+ *   send_ldap_ou()             - Send LDAP ou registrations.
  *   send_ldap_browse()         - Send LDAP printer registrations.
+ *   ldap_dereg_printer()       - Delete printer from directory
+ *   ldap_dereg_ou()            - Remove the organizational unit.
  *   send_slp_browse()          - Register the specified printer with SLP.
  *   slp_attr_callback()        - SLP attribute callback
  *   slp_dereg_printer()        - SLPDereg() the specified printer
  */
 
 static char    *dequote(char *d, const char *s, int dlen);
+static char    *get_auth_info_required(cupsd_printer_t *p, char *buffer,
+                                       size_t bufsize);
 #ifdef __APPLE__
 static int     get_hostconfig(const char *name);
 #endif /* __APPLE__ */
@@ -104,7 +119,36 @@ static void        process_browse_data(const char *uri, const char *host,
 static void    process_implicit_classes(void);
 static void    send_cups_browse(cupsd_printer_t *p);
 #ifdef HAVE_LDAP
+static LDAP    *ldap_connect(void);
+static LDAP    *ldap_reconnect(void);
+static void    ldap_disconnect(LDAP *ld);
+static int     ldap_search_rec(LDAP *ld, char *base, int scope,
+                                char *filter, char *attrs[],
+                                int attrsonly, LDAPMessage **res);
+static int     ldap_getval_firststring(LDAP *ld, LDAPMessage *entry,
+                                        char *attr, char *retval,
+                                        unsigned long maxsize);
+static void    ldap_freeres(LDAPMessage *entry);
+static void    send_ldap_ou(char *ou, char *basedn, char *descstring);
 static void    send_ldap_browse(cupsd_printer_t *p);
+static void    ldap_dereg_printer(cupsd_printer_t *p);
+static void    ldap_dereg_ou(char *ou, char *basedn);
+#  ifdef HAVE_LDAP_REBIND_PROC
+#    if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
+static int     ldap_rebind_proc(LDAP *RebindLDAPHandle,
+                                 LDAP_CONST char *refsp,
+                                 ber_tag_t request,
+                                 ber_int_t msgid,
+                                 void *params);
+#    else
+static int     ldap_rebind_proc(LDAP *RebindLDAPHandle,
+                                 char **dnp,
+                                 char **passwdp,
+                                 int *authmethodp,
+                                 int freeit,
+                                 void *arg);
+#    endif /* defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000) */
+#  endif /* HAVE_LDAP_REBIND_PROC */
 #endif /* HAVE_LDAP */
 #ifdef HAVE_LIBSLP
 static void    send_slp_browse(cupsd_printer_t *p);
@@ -116,6 +160,10 @@ static void        update_smb(int onoff);
 
 
 #ifdef HAVE_DNSSD
+#  ifdef HAVE_COREFOUNDATION
+static void    dnssdAddAlias(const void *key, const void *value,
+                             void *context);
+#  endif /* HAVE_COREFOUNDATION */
 static char    *dnssdBuildTxtRecord(int *txt_len, cupsd_printer_t *p,
                                     int for_lpd);
 static int     dnssdComparePrinters(cupsd_printer_t *a, cupsd_printer_t *b);
@@ -128,9 +176,11 @@ static void        dnssdRegisterCallback(DNSServiceRef sdRef,
                                      const char *name, const char *regtype,
                                      const char *domain, void *context);
 static void    dnssdRegisterPrinter(cupsd_printer_t *p);
+static void    dnssdStop(void);
+static void    dnssdUpdate(void);
 #endif /* HAVE_DNSSD */
 
-#ifdef HAVE_OPENLDAP
+#ifdef HAVE_LDAP
 static const char * const ldap_attrs[] =/* CUPS LDAP attributes */
                {
                  "printerDescription",
@@ -140,7 +190,7 @@ static const char * const ldap_attrs[] =/* CUPS LDAP attributes */
                  "printerURI",
                  NULL
                };
-#endif /* HAVE_OPENLDAP */
+#endif /* HAVE_LDAP */
 
 #ifdef HAVE_LIBSLP 
 /*
@@ -199,8 +249,13 @@ cupsdDeregisterPrinter(
   * Only deregister if browsing is enabled and it's a local printer...
   */
 
+  cupsdLogMessage(CUPSD_LOG_DEBUG,
+                  "cupsdDeregisterPrinter(p=%p(%s), removeit=%d)", p, p->name,
+                 removeit);
+
   if (!Browsing || !p->shared ||
-      (p->type & (CUPS_PRINTER_REMOTE | CUPS_PRINTER_IMPLICIT)))
+      (p->type & (CUPS_PRINTER_REMOTE | CUPS_PRINTER_IMPLICIT |
+                  CUPS_PRINTER_SCANNER)))
     return;
 
  /*
@@ -223,8 +278,13 @@ cupsdDeregisterPrinter(
     slp_dereg_printer(p);
 #endif /* HAVE_LIBSLP */
 
+#ifdef HAVE_LDAP
+  if (BrowseLocalProtocols & BROWSE_LDAP)
+    ldap_dereg_printer(p);
+#endif /* HAVE_LDAP */
+
 #ifdef HAVE_DNSSD
-  if (removeit && (BrowseLocalProtocols & BROWSE_DNSSD) && DNSSDPort)
+  if (removeit && (BrowseLocalProtocols & BROWSE_DNSSD) && DNSSDRef)
     dnssdDeregisterPrinter(p);
 #endif /* HAVE_DNSSD */
 }
@@ -237,9 +297,10 @@ cupsdDeregisterPrinter(
 void
 cupsdLoadRemoteCache(void)
 {
+  int                  i;              /* Looping var */
   cups_file_t          *fp;            /* remote.cache file */
   int                  linenum;        /* Current line number */
-  char                 line[1024],     /* Line from file */
+  char                 line[4096],     /* Line from file */
                        *value,         /* Pointer to value */
                        *valueptr,      /* Pointer into value */
                        scheme[32],     /* Scheme portion of URI */
@@ -392,17 +453,13 @@ cupsdLoadRemoteCache(void)
         p = NULL;
       }
       else
-      {
         cupsdLogMessage(CUPSD_LOG_ERROR,
                        "Syntax error on line %d of remote.cache.", linenum);
-        break;
-      }
     }
     else if (!p)
     {
       cupsdLogMessage(CUPSD_LOG_ERROR,
                       "Syntax error on line %d of remote.cache.", linenum);
-      break;
     }
     else if (!strcasecmp(line, "Info"))
     {
@@ -429,14 +486,11 @@ cupsdLoadRemoteCache(void)
 
        cupsdSetString(&p->hostname, host);
        cupsdSetString(&p->uri, value);
-       cupsdSetString(&p->device_uri, value);
+       cupsdSetDeviceURI(p, value);
       }
       else
-      {
        cupsdLogMessage(CUPSD_LOG_ERROR,
                        "Syntax error on line %d of remote.cache.", linenum);
-       break;
-      }
     }
     else if (!strcasecmp(line, "Option") && value)
     {
@@ -457,6 +511,25 @@ cupsdLoadRemoteCache(void)
                                       &(p->options));
       }
     }
+    else if (!strcasecmp(line, "Reason"))
+    {
+      if (value)
+      {
+        for (i = 0 ; i < p->num_reasons; i ++)
+         if (!strcmp(value, p->reasons[i]))
+           break;
+
+        if (i >= p->num_reasons &&
+           p->num_reasons < (int)(sizeof(p->reasons) / sizeof(p->reasons[0])))
+       {
+         p->reasons[p->num_reasons] = _cupsStrAlloc(value);
+         p->num_reasons ++;
+       }
+      }
+      else
+       cupsdLogMessage(CUPSD_LOG_ERROR,
+                       "Syntax error on line %d of remote.cache.", linenum);
+    }
     else if (!strcasecmp(line, "State"))
     {
      /*
@@ -466,13 +539,13 @@ cupsdLoadRemoteCache(void)
       if (value && !strcasecmp(value, "idle"))
         p->state = IPP_PRINTER_IDLE;
       else if (value && !strcasecmp(value, "stopped"))
+      {
         p->state = IPP_PRINTER_STOPPED;
+       cupsdSetPrinterReasons(p, "+paused");
+      }
       else
-      {
        cupsdLogMessage(CUPSD_LOG_ERROR,
                        "Syntax error on line %d of remote.cache.", linenum);
-       break;
-      }
     }
     else if (!strcasecmp(line, "StateMessage"))
     {
@@ -500,22 +573,16 @@ cupsdLoadRemoteCache(void)
                !strcasecmp(value, "false")))
         p->accepting = 0;
       else
-      {
        cupsdLogMessage(CUPSD_LOG_ERROR,
                        "Syntax error on line %d of remote.cache.", linenum);
-       break;
-      }
     }
     else if (!strcasecmp(line, "Type"))
     {
       if (value)
         p->type = atoi(value);
       else
-      {
        cupsdLogMessage(CUPSD_LOG_ERROR,
                        "Syntax error on line %d of remote.cache.", linenum);
-       break;
-      }
     }
     else if (!strcasecmp(line, "BrowseTime"))
     {
@@ -527,11 +594,8 @@ cupsdLoadRemoteCache(void)
           p->browse_expire = t;
       }
       else
-      {
        cupsdLogMessage(CUPSD_LOG_ERROR,
                        "Syntax error on line %d of remote.cache.", linenum);
-       break;
-      }
     }
     else if (!strcasecmp(line, "JobSheets"))
     {
@@ -556,45 +620,36 @@ cupsdLoadRemoteCache(void)
           for (value = valueptr; *valueptr && !isspace(*valueptr & 255); valueptr ++);
 
          if (*valueptr)
-            *valueptr++ = '\0';
+            *valueptr = '\0';
 
          cupsdSetString(&p->job_sheets[1], value);
        }
       }
       else
-      {
        cupsdLogMessage(CUPSD_LOG_ERROR,
                        "Syntax error on line %d of remote.cache.", linenum);
-       break;
-      }
     }
     else if (!strcasecmp(line, "AllowUser"))
     {
       if (value)
       {
         p->deny_users = 0;
-        cupsdAddPrinterUser(p, value);
+        cupsdAddString(&(p->users), value);
       }
       else
-      {
        cupsdLogMessage(CUPSD_LOG_ERROR,
                        "Syntax error on line %d of remote.cache.", linenum);
-       break;
-      }
     }
     else if (!strcasecmp(line, "DenyUser"))
     {
       if (value)
       {
         p->deny_users = 1;
-        cupsdAddPrinterUser(p, value);
+        cupsdAddString(&(p->users), value);
       }
       else
-      {
        cupsdLogMessage(CUPSD_LOG_ERROR,
                        "Syntax error on line %d of remote.cache.", linenum);
-       break;
-      }
     }
     else
     {
@@ -626,8 +681,12 @@ cupsdLoadRemoteCache(void)
 void
 cupsdRegisterPrinter(cupsd_printer_t *p)/* I - Printer */
 {
+  cupsdLogMessage(CUPSD_LOG_DEBUG, "cupsdRegisterPrinter(p=%p(%s))", p,
+                  p->name);
+
   if (!Browsing || !BrowseLocalProtocols ||
-      (p->type & (CUPS_PRINTER_REMOTE | CUPS_PRINTER_IMPLICIT)))
+      (p->type & (CUPS_PRINTER_REMOTE | CUPS_PRINTER_IMPLICIT |
+                  CUPS_PRINTER_SCANNER)))
     return;
 
 #ifdef HAVE_LIBSLP
@@ -636,7 +695,7 @@ cupsdRegisterPrinter(cupsd_printer_t *p)/* I - Printer */
 #endif /* HAVE_LIBSLP */
 
 #ifdef HAVE_DNSSD
-  if ((BrowseLocalProtocols & BROWSE_DNSSD) && DNSSDPort)
+  if ((BrowseLocalProtocols & BROWSE_DNSSD) && DNSSDRef)
     dnssdRegisterPrinter(p);
 #endif /* HAVE_DNSSD */
 }
@@ -668,7 +727,9 @@ cupsdSaveRemoteCache(void)
 {
   int                  i;              /* Looping var */
   cups_file_t          *fp;            /* printers.conf file */
-  char                 temp[1024];     /* Temporary string */
+  char                 temp[1024],     /* Temporary string */
+                       value[2048],    /* Value string */
+                       *name;          /* Current user name */
   cupsd_printer_t      *printer;       /* Current printer class */
   time_t               curtime;        /* Current time */
   struct tm            *curdate;       /* Current date */
@@ -737,46 +798,50 @@ cupsdSaveRemoteCache(void)
     else
       cupsFilePrintf(fp, "Printer %s>\n", printer->name);
 
-    cupsFilePrintf(fp, "Type %d\n", printer->type);
-
     cupsFilePrintf(fp, "BrowseTime %d\n", (int)printer->browse_expire);
 
     if (printer->info)
-      cupsFilePrintf(fp, "Info %s\n", printer->info);
-
-    if (printer->make_model)
-      cupsFilePrintf(fp, "MakeModel %s\n", printer->make_model);
+      cupsFilePutConf(fp, "Info", printer->info);
 
     if (printer->location)
-      cupsFilePrintf(fp, "Location %s\n", printer->location);
+      cupsFilePutConf(fp, "Location", printer->location);
+
+    if (printer->make_model)
+      cupsFilePutConf(fp, "MakeModel", printer->make_model);
 
-    if (printer->device_uri)
-      cupsFilePrintf(fp, "DeviceURI %s\n", printer->device_uri);
+    cupsFilePutConf(fp, "DeviceURI", printer->device_uri);
 
     if (printer->state == IPP_PRINTER_STOPPED)
-    {
       cupsFilePuts(fp, "State Stopped\n");
-      cupsFilePrintf(fp, "StateMessage %s\n", printer->state_message);
-    }
     else
       cupsFilePuts(fp, "State Idle\n");
 
+    for (i = 0; i < printer->num_reasons; i ++)
+      cupsFilePutConf(fp, "Reason", printer->reasons[i]);
+
+    cupsFilePrintf(fp, "Type %d\n", printer->type);
+
     if (printer->accepting)
       cupsFilePuts(fp, "Accepting Yes\n");
     else
       cupsFilePuts(fp, "Accepting No\n");
 
-    cupsFilePrintf(fp, "JobSheets %s %s\n", printer->job_sheets[0],
-            printer->job_sheets[1]);
+    snprintf(value, sizeof(value), "%s %s", printer->job_sheets[0],
+             printer->job_sheets[1]);
+    cupsFilePutConf(fp, "JobSheets", value);
 
-    for (i = 0; i < printer->num_users; i ++)
-      cupsFilePrintf(fp, "%sUser %s\n", printer->deny_users ? "Deny" : "Allow",
-              printer->users[i]);
+    for (name = (char *)cupsArrayFirst(printer->users);
+        name;
+        name = (char *)cupsArrayNext(printer->users))
+      cupsFilePutConf(fp, printer->deny_users ? "DenyUser" : "AllowUser", name);
 
     for (i = printer->num_options, option = printer->options;
          i > 0;
         i --, option ++)
-      cupsFilePrintf(fp, "Option %s %s\n", option->name, option->value);
+    {
+      snprintf(value, sizeof(value), "%s %s", option->name, option->value);
+      cupsFilePutConf(fp, "Option", value);
+    }
 
     if (printer->type & CUPS_PRINTER_CLASS)
       cupsFilePuts(fp, "</Class>\n");
@@ -801,7 +866,7 @@ cupsdSendBrowseList(void)
                        to;             /* Timeout time */
 
 
-  if (!Browsing || !BrowseLocalProtocols || !Printers)
+  if (!Browsing || !Printers)
     return;
 
  /*
@@ -815,7 +880,7 @@ cupsdSendBrowseList(void)
   * Figure out how many printers need an update...
   */
 
-  if (BrowseInterval > 0)
+  if (BrowseInterval > 0 && BrowseLocalProtocols)
   {
     int        max_count;                      /* Maximum number to update */
 
@@ -831,7 +896,8 @@ cupsdSendBrowseList(void)
     for (count = 0, p = (cupsd_printer_t *)cupsArrayFirst(Printers);
          count < max_count && p != NULL;
         p = (cupsd_printer_t *)cupsArrayNext(Printers))
-      if (!(p->type & (CUPS_PRINTER_REMOTE | CUPS_PRINTER_IMPLICIT)) &&
+      if (!(p->type & (CUPS_PRINTER_REMOTE | CUPS_PRINTER_IMPLICIT |
+                       CUPS_PRINTER_SCANNER)) &&
           p->shared && p->browse_time < ut)
         count ++;
 
@@ -857,7 +923,8 @@ cupsdSendBrowseList(void)
 
       if (!p)
         break;
-      else if ((p->type & (CUPS_PRINTER_REMOTE | CUPS_PRINTER_IMPLICIT)) ||
+      else if ((p->type & (CUPS_PRINTER_REMOTE | CUPS_PRINTER_IMPLICIT |
+                           CUPS_PRINTER_SCANNER)) ||
                !p->shared)
         continue;
       else if (p->browse_time < ut)
@@ -893,7 +960,7 @@ cupsdSendBrowseList(void)
   }
 
  /*
-  * Loop through all of the printers and send local updates as needed...
+  * Loop through all of the printers and timeout old printers as needed...
   */
 
   for (p = (cupsd_printer_t *)cupsArrayFirst(Printers);
@@ -904,317 +971,700 @@ cupsdSendBrowseList(void)
     * If this is a remote queue, see if it needs to be timed out...
     */
 
-    if (p->type & CUPS_PRINTER_DISCOVERED)
+    if ((p->type & CUPS_PRINTER_DISCOVERED) &&
+        !(p->type & CUPS_PRINTER_IMPLICIT) &&
+       p->browse_expire < to)
     {
-      if (p->browse_expire < to)
-      {
-       cupsdAddEvent(CUPSD_EVENT_PRINTER_DELETED, p, NULL,
-                      "%s \'%s\' deleted by directory services (timeout).",
-                     (p->type & CUPS_PRINTER_CLASS) ? "Class" : "Printer",
-                     p->name);
+      cupsdAddEvent(CUPSD_EVENT_PRINTER_DELETED, p, NULL,
+                   "%s \'%s\' deleted by directory services (timeout).",
+                   (p->type & CUPS_PRINTER_CLASS) ? "Class" : "Printer",
+                   p->name);
 
-        cupsdLogMessage(CUPSD_LOG_DEBUG,
-                       "Remote destination \"%s\" has timed out; "
-                       "deleting it...",
-                       p->name);
+      cupsdLogMessage(CUPSD_LOG_DEBUG,
+                     "Remote destination \"%s\" has timed out; "
+                     "deleting it...",
+                     p->name);
 
-        cupsArraySave(Printers);
-        cupsdDeletePrinter(p, 1);
-        cupsArrayRestore(Printers);
-        cupsdMarkDirty(CUPSD_DIRTY_PRINTCAP | CUPSD_DIRTY_REMOTE);
-      }
+      cupsArraySave(Printers);
+      cupsdDeletePrinter(p, 1);
+      cupsArrayRestore(Printers);
+      cupsdMarkDirty(CUPSD_DIRTY_PRINTCAP | CUPSD_DIRTY_REMOTE);
     }
   }
 }
 
 
+#ifdef HAVE_LDAP_REBIND_PROC
+#  if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
 /*
- * 'cupsdStartBrowsing()' - Start sending and receiving broadcast information.
+ * 'ldap_rebind_proc()' - Callback function for LDAP rebind
  */
 
-void
-cupsdStartBrowsing(void)
+static int                             /* O - Result code */
+ldap_rebind_proc(
+    LDAP            *RebindLDAPHandle, /* I - LDAP handle */
+    LDAP_CONST char *refsp,            /* I - ??? */
+    ber_tag_t       request,           /* I - ??? */
+    ber_int_t       msgid,             /* I - ??? */
+    void            *params)           /* I - ??? */
 {
-  int                  val;            /* Socket option value */
-  struct sockaddr_in   addr;           /* Broadcast address */
-  cupsd_printer_t      *p;             /* Current printer */
+  int          rc;                     /* Result code */
+#    if LDAP_API_VERSION > 3000
+  struct berval        bval;                   /* Bind value */
+#    endif /* LDAP_API_VERSION > 3000 */
 
+ /*
+  * Bind to new LDAP server...
+  */
 
-  BrowseNext = NULL;
-
-  if (!Browsing || !(BrowseLocalProtocols | BrowseRemoteProtocols))
-    return;
+  cupsdLogMessage(CUPSD_LOG_DEBUG2, "ldap_rebind_proc: Rebind to %s", refsp);
 
-  if ((BrowseLocalProtocols | BrowseRemoteProtocols) & BROWSE_CUPS)
-  {
-    if (BrowseSocket < 0)
-    {
-     /*
-      * Create the broadcast socket...
-      */
+#    if LDAP_API_VERSION > 3000
+  bval.bv_val = BrowseLDAPPassword;
+  bval.bv_len = (BrowseLDAPPassword == NULL) ? 0 : strlen(BrowseLDAPPassword);
 
-      if ((BrowseSocket = socket(AF_INET, SOCK_DGRAM, 0)) < 0)
-      {
-       cupsdLogMessage(CUPSD_LOG_ERROR,
-                       "Unable to create broadcast socket - %s.",
-                       strerror(errno));
-       BrowseLocalProtocols &= ~BROWSE_CUPS;
-       BrowseRemoteProtocols &= ~BROWSE_CUPS;
-       return;
-      }
+  rc = ldap_sasl_bind_s(RebindLDAPHandle, BrowseLDAPBindDN, LDAP_SASL_SIMPLE,
+                        &bval, NULL, NULL, NULL);
+#    else
+  rc = ldap_bind_s(RebindLDAPHandle, BrowseLDAPBindDN, BrowseLDAPPassword,
+                   LDAP_AUTH_SIMPLE);
+#    endif /* LDAP_API_VERSION > 3000 */
 
-     /*
-      * Bind the socket to browse port...
-      */
+  return (rc);
+}
 
-      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)))
-      {
-       cupsdLogMessage(CUPSD_LOG_ERROR,
-                       "Unable to bind broadcast socket - %s.",
-                       strerror(errno));
+#  else /* defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000) */
+/*
+ * 'ldap_rebind_proc()' - Callback function for LDAP rebind
+ */
 
-#ifdef WIN32
-       closesocket(BrowseSocket);
-#else
-       close(BrowseSocket);
-#endif /* WIN32 */
+static int                             /* O - Result code */
+ldap_rebind_proc(
+    LDAP *RebindLDAPHandle,            /* I - LDAP handle */
+    char **dnp,                                /* I - ??? */
+    char **passwdp,                    /* I - ??? */
+    int  *authmethodp,                 /* I - ??? */
+    int  freeit,                       /* I - ??? */
+    void *arg)                         /* I - ??? */
+{
+  switch (freeit)
+  {
+    case 1:
+       /*
+        * Free current values...
+        */
 
-       BrowseSocket = -1;
-       BrowseLocalProtocols &= ~BROWSE_CUPS;
-       BrowseRemoteProtocols &= ~BROWSE_CUPS;
-       return;
-      }
-    }
+        cupsdLogMessage(CUPSD_LOG_DEBUG2, "ldap_rebind_proc: Free values...");
 
-   /*
-    * Set the "broadcast" flag...
-    */
+        if (dnp && *dnp)
+          free(*dnp);
 
-    val = 1;
-    if (setsockopt(BrowseSocket, SOL_SOCKET, SO_BROADCAST, &val, sizeof(val)))
-    {
-      cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to set broadcast mode - %s.",
-                     strerror(errno));
+        if (passwdp && *passwdp)
+          free(*passwdp);
+        break;
 
-#ifdef WIN32
-      closesocket(BrowseSocket);
-#else
-      close(BrowseSocket);
-#endif /* WIN32 */
+    case 0:
+       /*
+        * Return credentials for LDAP referal...
+        */
 
-      BrowseSocket = -1;
-      BrowseLocalProtocols &= ~BROWSE_CUPS;
-      BrowseRemoteProtocols &= ~BROWSE_CUPS;
-      return;
-    }
+        cupsdLogMessage(CUPSD_LOG_DEBUG2,
+                        "ldap_rebind_proc: Return necessary values...");
 
-   /*
-    * Close the socket on exec...
-    */
+        *dnp         = strdup(BrowseLDAPBindDN);
+        *passwdp     = strdup(BrowseLDAPPassword);
+        *authmethodp = LDAP_AUTH_SIMPLE;
+        break;
 
-    fcntl(BrowseSocket, F_SETFD, fcntl(BrowseSocket, F_GETFD) | FD_CLOEXEC);
+    default:
+       /*
+        * Should never happen...
+        */
 
-   /*
-    * Finally, add the socket to the input selection set as needed...
-    */
+        cupsdLogMessage(CUPSD_LOG_ERROR,
+                        "LDAP rebind has been called with wrong freeit value!");
+        break;
+  }
 
-    if (BrowseRemoteProtocols & BROWSE_CUPS)
-    {
-     /*
-      * We only listen if we want remote printers...
-      */
+  return (LDAP_SUCCESS);
+}
+#  endif /* defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000) */
+#endif /* HAVE_LDAP_REBIND_PROC */
 
-      cupsdAddSelect(BrowseSocket, (cupsd_selfunc_t)update_cups_browse,
-                     NULL, NULL);
-    }
-  }
-  else
-    BrowseSocket = -1;
 
-#ifdef HAVE_DNSSD
-  if ((BrowseLocalProtocols | BrowseRemoteProtocols) & BROWSE_DNSSD)
-  {
-    DNSServiceErrorType error;         /* Error from service creation */
-    cupsd_listener_t   *lis;           /* Current listening socket */
+#ifdef HAVE_LDAP
+/*
+ * 'ldap_connect()' - Start new LDAP connection
+ */
 
+static LDAP *                          /* O - LDAP handle */
+ldap_connect(void)
+{
+  int          rc;                     /* LDAP API status */
+  int          version = 3;            /* LDAP version */
+  struct berval        bv = {0, ""};           /* SASL bind value */
+  LDAP         *TempBrowseLDAPHandle=NULL;
+                                       /* Temporary LDAP Handle */
+#  if defined(HAVE_LDAP_SSL) && defined (HAVE_MOZILLA_LDAP)
+  int          ldap_ssl = 0;           /* LDAP SSL indicator */
+  int          ssl_err = 0;            /* LDAP SSL error value */
+#  endif /* defined(HAVE_LDAP_SSL) && defined (HAVE_MOZILLA_LDAP) */
+
+
+#  ifdef HAVE_OPENLDAP
+#    ifdef HAVE_LDAP_SSL
+ /*
+  * Set the certificate file to use for encrypted LDAP sessions...
+  */
 
-   /*
-    * First create a "master" connection for all registrations...
-    */
+  if (BrowseLDAPCACertFile)
+  {
+    cupsdLogMessage(CUPSD_LOG_DEBUG,
+                   "ldap_connect: Setting CA certificate file \"%s\"",
+                    BrowseLDAPCACertFile);
 
-    if ((error = DNSServiceCreateConnection(&DNSSDRef))
-           != kDNSServiceErr_NoError)
+    if ((rc = ldap_set_option(NULL, LDAP_OPT_X_TLS_CACERTFILE,
+                             (void *)BrowseLDAPCACertFile)) != LDAP_SUCCESS)
       cupsdLogMessage(CUPSD_LOG_ERROR,
-                     "Unable to create master DNS-SD reference: %d", error);
-    else
-    {
-     /*
-      * Add the master connection to the select list...
-      */
-
-      cupsdAddSelect(DNSServiceRefSockFD(DNSSDRef),
-                    (cupsd_selfunc_t)cupsdUpdateDNSSDBrowse, NULL, NULL);
+                      "Unable to set CA certificate file for LDAP "
+                      "connections: %d - %s", rc, ldap_err2string(rc));
+  }
+#    endif /* HAVE_LDAP_SSL */
 
-     /*
-      * Then get the port we use for registrations.  If we are not listening
-      * on any non-local ports, there is no sense sharing local printers via
-      * Bonjour...
-      */
+ /*
+  * Initialize OPENLDAP connection...
+  * LDAP stuff currently only supports ldapi EXTERNAL SASL binds...
+  */
 
-      DNSSDPort = 0;
+  if (!BrowseLDAPServer || !strcasecmp(BrowseLDAPServer, "localhost")) 
+    rc = ldap_initialize(&TempBrowseLDAPHandle, "ldapi:///");
+  else 
+    rc = ldap_initialize(&TempBrowseLDAPHandle, BrowseLDAPServer);
 
-      for (lis = (cupsd_listener_t *)cupsArrayFirst(Listeners);
-          lis;
-          lis = (cupsd_listener_t *)cupsArrayNext(Listeners))
-      {
-       if (httpAddrLocalhost(&(lis->address)))
-         continue;
+#  else /* HAVE_OPENLDAP */
 
-       if (lis->address.addr.sa_family == AF_INET)
-       {
-         DNSSDPort = ntohs(lis->address.ipv4.sin_port);
-         break;
-       }
-       else if (lis->address.addr.sa_family == AF_INET6)
-       {
-         DNSSDPort = ntohs(lis->address.ipv6.sin6_port);
-         break;
-       }
-      }
+  int          ldap_port = 0;                  /* LDAP port */
+  char         ldap_protocol[11],              /* LDAP protocol */
+               ldap_host[255];                 /* LDAP host */
 
    /*
-      * Create an array to track the printers we share...
-      */
+ /*
+  * Split LDAP URI into its components...
+  */
 
-      if (BrowseRemoteProtocols & BROWSE_DNSSD)
-        DNSSDPrinters = cupsArrayNew((cups_array_func_t)dnssdComparePrinters,
-                                    NULL);
+  if (!BrowseLDAPServer)
+  {
+    cupsdLogMessage(CUPSD_LOG_ERROR, "BrowseLDAPServer not configured!");
+    cupsdLogMessage(CUPSD_LOG_ERROR, "Disabling LDAP browsing!");
+    BrowseLocalProtocols  &= ~BROWSE_LDAP;
+    BrowseRemoteProtocols &= ~BROWSE_LDAP;
+    return (NULL);
+  }
 
-     /*
-      * Set the computer name and register the web interface...
-      */
+  sscanf(BrowseLDAPServer, "%10[^:]://%254[^:/]:%d", ldap_protocol, ldap_host,
+         &ldap_port);
 
-      cupsdUpdateDNSSDName();
-    }
+  if (!strcmp(ldap_protocol, "ldap"))
+    ldap_ssl = 0;
+  else if (!strcmp(ldap_protocol, "ldaps"))
+    ldap_ssl = 1;
+  else
+  {
+    cupsdLogMessage(CUPSD_LOG_ERROR, "Unrecognized LDAP protocol (%s)!",
+                    ldap_protocol);
+    cupsdLogMessage(CUPSD_LOG_ERROR, "Disabling LDAP browsing!");
+    BrowseLocalProtocols &= ~BROWSE_LDAP;
+    BrowseRemoteProtocols &= ~BROWSE_LDAP;
+    return (NULL);
   }
-#endif /* HAVE_DNSSD */
 
-#ifdef HAVE_LIBSLP
-  if ((BrowseLocalProtocols | BrowseRemoteProtocols) & BROWSE_SLP)
+  if (ldap_port == 0)
   {
-   /* 
-    * Open SLP handle...
-    */
+    if (ldap_ssl)
+      ldap_port = LDAPS_PORT;
+    else
+      ldap_port = LDAP_PORT;
+  }
 
-    if (SLPOpen("en", SLP_FALSE, &BrowseSLPHandle) != SLP_OK)
-    {
-      cupsdLogMessage(CUPSD_LOG_ERROR,
-                      "Unable to open an SLP handle; disabling SLP browsing!");
-      BrowseLocalProtocols &= ~BROWSE_SLP;
-      BrowseRemoteProtocols &= ~BROWSE_SLP;
-    }
+  cupsdLogMessage(CUPSD_LOG_DEBUG, "ldap_connect: PROT:%s HOST:%s PORT:%d",
+                  ldap_protocol, ldap_host, ldap_port);
 
-    BrowseSLPRefresh = 0;
+ /*
+  * Initialize LDAP connection...
+  */
+
+  if (!ldap_ssl)
+  {
+    if ((TempBrowseLDAPHandle = ldap_init(ldap_host, ldap_port)) == NULL)
+      rc = LDAP_OPERATIONS_ERROR;
+    else
+      rc = LDAP_SUCCESS;
+
+#    ifdef HAVE_LDAP_SSL
   }
   else
-    BrowseSLPHandle = NULL;
-#endif /* HAVE_LIBSLP */
-
-#ifdef HAVE_OPENLDAP
-  if ((BrowseLocalProtocols | BrowseRemoteProtocols) & BROWSE_LDAP)
   {
-    if (!BrowseLDAPDN)
+   /*
+    * Initialize SSL LDAP connection...
+    */
+
+    if (BrowseLDAPCACertFile)
+    {
+      rc = ldapssl_client_init(BrowseLDAPCACertFile, (void *)NULL);
+      if (rc != LDAP_SUCCESS)
+      {
+        cupsdLogMessage(CUPSD_LOG_ERROR,
+                        "Failed to initialize LDAP SSL client!");
+        rc = LDAP_OPERATIONS_ERROR;
+      }
+      else
+      {
+        if ((TempBrowseLDAPHandle = ldapssl_init(ldap_host, ldap_port,
+                                                 1)) == NULL)
+          rc = LDAP_OPERATIONS_ERROR;
+        else
+          rc = LDAP_SUCCESS;
+      }
+    }
+    else
     {
       cupsdLogMessage(CUPSD_LOG_ERROR,
-                      "Need to set BrowseLDAPDN to use LDAP browsing!");
-      BrowseLocalProtocols &= ~BROWSE_LDAP;
-      BrowseRemoteProtocols &= ~BROWSE_LDAP;
+                      "LDAP SSL certificate file/database not configured!");
+      rc = LDAP_OPERATIONS_ERROR;
     }
+
+#    else /* HAVE_LDAP_SSL */
+
+   /*
+    * Return error, because client libraries doesn't support SSL
+    */
+
+    cupsdLogMessage(CUPSD_LOG_ERROR,
+                    "LDAP client libraries do not support SSL");
+    rc = LDAP_OPERATIONS_ERROR;
+
+#    endif /* HAVE_LDAP_SSL */
+  }
+#  endif /* HAVE_OPENLDAP */
+
+ /*
+  * Check return code from LDAP initialize...
+  */
+
+  if (rc != LDAP_SUCCESS)
+  {
+    cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to initialize LDAP!");
+
+    if (rc == LDAP_SERVER_DOWN || rc == LDAP_CONNECT_ERROR)
+      cupsdLogMessage(CUPSD_LOG_ERROR, "Temporarily disabling LDAP browsing...");
     else
     {
-     /* 
-      * Open LDAP handle...
-      */
+      cupsdLogMessage(CUPSD_LOG_ERROR, "Disabling LDAP browsing!");
+
+      BrowseLocalProtocols  &= ~BROWSE_LDAP;
+      BrowseRemoteProtocols &= ~BROWSE_LDAP;
+    }
+
+    ldap_disconnect(TempBrowseLDAPHandle);
+
+    return (NULL);
+  }
+
+ /*
+  * Upgrade LDAP version...
+  */
+
+  if (ldap_set_option(TempBrowseLDAPHandle, LDAP_OPT_PROTOCOL_VERSION,
+                           (const void *)&version) != LDAP_SUCCESS)
+  {
+    cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to set LDAP protocol version %d!",
+                   version);
+    cupsdLogMessage(CUPSD_LOG_ERROR, "Disabling LDAP browsing!");
+
+    BrowseLocalProtocols  &= ~BROWSE_LDAP;
+    BrowseRemoteProtocols &= ~BROWSE_LDAP;
+    ldap_disconnect(TempBrowseLDAPHandle);
+
+    return (NULL);
+  }
+
+ /*
+  * Register LDAP rebind procedure...
+  */
+
+#  ifdef HAVE_LDAP_REBIND_PROC
+#    if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
+
+  rc = ldap_set_rebind_proc(TempBrowseLDAPHandle, &ldap_rebind_proc,
+                            (void *)NULL);
+  if (rc != LDAP_SUCCESS)
+    cupsdLogMessage(CUPSD_LOG_ERROR,
+                    "Setting LDAP rebind function failed with status %d: %s",
+                    rc, ldap_err2string(rc));
+
+#    else
+
+  ldap_set_rebind_proc(TempBrowseLDAPHandle, &ldap_rebind_proc, (void *)NULL);
+
+#    endif /* defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000) */
+#  endif /* HAVE_LDAP_REBIND_PROC */
+
+ /*
+  * Start LDAP bind...
+  */
+
+#  if LDAP_API_VERSION > 3000
+  struct berval bval;
+  bval.bv_val = BrowseLDAPPassword;
+  bval.bv_len = (BrowseLDAPPassword == NULL) ? 0 : strlen(BrowseLDAPPassword);
 
-      int              rc;             /* LDAP API status */
-      int              version = 3;    /* LDAP version */
-      struct berval    bv = {0, ""};   /* SASL bind value */
+  if (!BrowseLDAPServer || !strcasecmp(BrowseLDAPServer, "localhost"))
+    rc = ldap_sasl_bind_s(TempBrowseLDAPHandle, NULL, "EXTERNAL", &bv, NULL,
+                          NULL, NULL);
+  else
+    rc = ldap_sasl_bind_s(TempBrowseLDAPHandle, BrowseLDAPBindDN, LDAP_SASL_SIMPLE, &bval, NULL, NULL, NULL);
+
+#  else
+    rc = ldap_bind_s(TempBrowseLDAPHandle, BrowseLDAPBindDN,
+                     BrowseLDAPPassword, LDAP_AUTH_SIMPLE);
+#  endif /* LDAP_API_VERSION > 3000 */
+
+  if (rc != LDAP_SUCCESS)
+  {
+    cupsdLogMessage(CUPSD_LOG_ERROR, "LDAP bind failed with error %d: %s",
+                    rc, ldap_err2string(rc));
+
+#  if defined(HAVE_LDAP_SSL) && defined (HAVE_MOZILLA_LDAP)
+    if (ldap_ssl && (rc == LDAP_SERVER_DOWN || rc == LDAP_CONNECT_ERROR))
+    {
+      ssl_err = PORT_GetError();
+      if (ssl_err != 0)
+        cupsdLogMessage(CUPSD_LOG_ERROR, "LDAP SSL error %d: %s", ssl_err,
+                        ldapssl_err2string(ssl_err));
+    }
+#  endif /* defined(HAVE_LDAP_SSL) && defined (HAVE_MOZILLA_LDAP) */
+
+    ldap_disconnect(TempBrowseLDAPHandle);
+
+    return (NULL);
+  }
+
+  cupsdLogMessage(CUPSD_LOG_INFO, "LDAP connection established");
+
+  return (TempBrowseLDAPHandle);
+}
+
+
+/*
+ * 'ldap_reconnect()' - Reconnect to LDAP Server
+ */
+
+static LDAP *                          /* O - New LDAP handle */
+ldap_reconnect(void)
+{
+  LDAP *TempBrowseLDAPHandle = NULL;   /* Temp Handle to LDAP server */
+
+
+ /*
+  * Get a new LDAP Handle and replace the global Handle
+  * if the new connection was successful.
+  */
+
+  cupsdLogMessage(CUPSD_LOG_INFO, "Try LDAP reconnect...");
+
+  TempBrowseLDAPHandle = ldap_connect();
+
+  if (TempBrowseLDAPHandle != NULL)
+  {
+    if (BrowseLDAPHandle != NULL)
+      ldap_disconnect(BrowseLDAPHandle);
+
+    BrowseLDAPHandle = TempBrowseLDAPHandle;
+  }
+
+  return (BrowseLDAPHandle);
+}
+
+
+/*
+ * 'ldap_disconnect()' - Disconnect from LDAP Server
+ */
+
+static void
+ldap_disconnect(LDAP *ld)              /* I - LDAP handle */
+{
+  int  rc;                             /* Return code */
+
+
+ /*
+  * Close LDAP handle...
+  */
+
+#  if defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000
+  rc = ldap_unbind_ext_s(ld, NULL, NULL);
+#  else
+  rc = ldap_unbind_s(ld);
+#  endif /* defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000 */
+
+  if (rc != LDAP_SUCCESS)
+    cupsdLogMessage(CUPSD_LOG_ERROR,
+                    "Unbind from LDAP server failed with status %d: %s",
+                    rc, ldap_err2string(rc));
+}
+#endif /* HAVE_LDAP */
+
+
+/*
+ * 'cupsdStartBrowsing()' - Start sending and receiving broadcast information.
+ */
+
+void
+cupsdStartBrowsing(void)
+{
+  int                  val;            /* Socket option value */
+  struct sockaddr_in   addr;           /* Broadcast address */
+  cupsd_printer_t      *p;             /* Current printer */
 
 
+  BrowseNext = NULL;
+
+  if (!Browsing || !(BrowseLocalProtocols | BrowseRemoteProtocols))
+    return;
+
+  if ((BrowseLocalProtocols | BrowseRemoteProtocols) & BROWSE_CUPS)
+  {
+    if (BrowseSocket < 0)
+    {
      /*
-      * Set the certificate file to use for encrypted LDAP sessions...
+      * Create the broadcast socket...
       */
 
-      if (BrowseLDAPCACertFile)
+      if ((BrowseSocket = socket(AF_INET, SOCK_DGRAM, 0)) < 0)
       {
-       cupsdLogMessage(CUPSD_LOG_DEBUG,
-                       "cupsdStartBrowsing: Setting CA certificate file \"%s\"",
-                       BrowseLDAPCACertFile);
-
-        if ((rc = ldap_set_option(NULL, LDAP_OPT_X_TLS_CACERTFILE,
-                                 (void *)BrowseLDAPCACertFile))
-               != LDAP_SUCCESS)
-          cupsdLogMessage(CUPSD_LOG_ERROR,
-                          "Unable to set CA certificate file for LDAP "
-                         "connections: %d - %s", rc, ldap_err2string(rc));
+       cupsdLogMessage(CUPSD_LOG_ERROR,
+                       "Unable to create broadcast socket - %s.",
+                       strerror(errno));
+       BrowseLocalProtocols &= ~BROWSE_CUPS;
+       BrowseRemoteProtocols &= ~BROWSE_CUPS;
+
+       if (FatalErrors & CUPSD_FATAL_BROWSE)
+         cupsdEndProcess(getpid(), 0);
       }
+    }
 
+    if (BrowseSocket >= 0)
+    {
      /*
-      * LDAP stuff currently only supports ldapi EXTERNAL SASL binds...
+      * Bind the socket to browse port...
       */
 
-      if (!BrowseLDAPServer || !strcasecmp(BrowseLDAPServer, "localhost")) 
-        rc = ldap_initialize(&BrowseLDAPHandle, "ldapi:///");
-      else     
-       rc = ldap_initialize(&BrowseLDAPHandle, BrowseLDAPServer);
+      memset(&addr, 0, sizeof(addr));
+      addr.sin_addr.s_addr = htonl(INADDR_ANY);
+      addr.sin_family      = AF_INET;
+      addr.sin_port        = htons(BrowsePort);
 
-      if (rc != LDAP_SUCCESS)
+      if (bind(BrowseSocket, (struct sockaddr *)&addr, sizeof(addr)))
       {
        cupsdLogMessage(CUPSD_LOG_ERROR,
-                       "Unable to initialize LDAP; disabling LDAP browsing!");
-       BrowseLocalProtocols &= ~BROWSE_LDAP;
-       BrowseRemoteProtocols &= ~BROWSE_LDAP;
+                       "Unable to bind broadcast socket - %s.",
+                       strerror(errno));
+
+#ifdef WIN32
+       closesocket(BrowseSocket);
+#else
+       close(BrowseSocket);
+#endif /* WIN32 */
+
+       BrowseSocket = -1;
+       BrowseLocalProtocols &= ~BROWSE_CUPS;
+       BrowseRemoteProtocols &= ~BROWSE_CUPS;
+
+       if (FatalErrors & CUPSD_FATAL_BROWSE)
+         cupsdEndProcess(getpid(), 0);
       }
-      else if (ldap_set_option(BrowseLDAPHandle, LDAP_OPT_PROTOCOL_VERSION,
-                               (const void *)&version) != LDAP_SUCCESS)
+    }
+
+    if (BrowseSocket >= 0)
+    {
+     /*
+      * Set the "broadcast" flag...
+      */
+
+      val = 1;
+      if (setsockopt(BrowseSocket, SOL_SOCKET, SO_BROADCAST, &val, sizeof(val)))
       {
-       ldap_unbind_ext(BrowseLDAPHandle, NULL, NULL);
-       BrowseLDAPHandle = NULL;
-       cupsdLogMessage(CUPSD_LOG_ERROR,
-                       "Unable to set LDAP protocol version; "
-                       "disabling LDAP browsing!");
-       BrowseLocalProtocols &= ~BROWSE_LDAP;
-       BrowseRemoteProtocols &= ~BROWSE_LDAP;
+       cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to set broadcast mode - %s.",
+                       strerror(errno));
+
+#ifdef WIN32
+       closesocket(BrowseSocket);
+#else
+       close(BrowseSocket);
+#endif /* WIN32 */
+
+       BrowseSocket = -1;
+       BrowseLocalProtocols &= ~BROWSE_CUPS;
+       BrowseRemoteProtocols &= ~BROWSE_CUPS;
+
+       if (FatalErrors & CUPSD_FATAL_BROWSE)
+         cupsdEndProcess(getpid(), 0);
       }
-      else
+    }
+
+    if (BrowseSocket >= 0)
+    {
+     /*
+      * Close the socket on exec...
+      */
+
+      fcntl(BrowseSocket, F_SETFD, fcntl(BrowseSocket, F_GETFD) | FD_CLOEXEC);
+
+     /*
+      * Finally, add the socket to the input selection set as needed...
+      */
+
+      if (BrowseRemoteProtocols & BROWSE_CUPS)
       {
-       if (!BrowseLDAPServer || !strcasecmp(BrowseLDAPServer, "localhost"))
-         rc = ldap_sasl_bind_s(BrowseLDAPHandle, NULL, "EXTERNAL", &bv, NULL,
-                               NULL, NULL);
-       else
-         rc = ldap_bind_s(BrowseLDAPHandle, BrowseLDAPBindDN,
-                          BrowseLDAPPassword, LDAP_AUTH_SIMPLE);
+       /*
+       * We only listen if we want remote printers...
+       */
+
+       cupsdAddSelect(BrowseSocket, (cupsd_selfunc_t)update_cups_browse,
+                      NULL, NULL);
+      }
+    }
+  }
+  else
+    BrowseSocket = -1;
+
+#ifdef HAVE_DNSSD
+  if ((BrowseLocalProtocols | BrowseRemoteProtocols) & BROWSE_DNSSD)
+  {
+    DNSServiceErrorType error;         /* Error from service creation */
+    cupsd_listener_t   *lis;           /* Current listening socket */
+
+
+   /*
+    * First create a "master" connection for all registrations...
+    */
 
-       if (rc != LDAP_SUCCESS)
+    if ((error = DNSServiceCreateConnection(&DNSSDRef))
+           != kDNSServiceErr_NoError)
+    {
+      cupsdLogMessage(CUPSD_LOG_ERROR,
+                     "Unable to create master DNS-SD reference: %d", error);
+
+      if (FatalErrors & CUPSD_FATAL_BROWSE)
+       cupsdEndProcess(getpid(), 0);
+    }
+    else
+    {
+     /*
+      * Add the master connection to the select list...
+      */
+
+      int fd = DNSServiceRefSockFD(DNSSDRef);
+
+      fcntl(fd, F_SETFD, fcntl(fd, F_GETFD) | FD_CLOEXEC);
+
+      cupsdAddSelect(fd, (cupsd_selfunc_t)dnssdUpdate, NULL, NULL);
+
+     /*
+      * Then get the port we use for registrations.  If we are not listening
+      * on any non-local ports, there is no sense sharing local printers via
+      * Bonjour...
+      */
+
+      DNSSDPort = 0;
+
+      for (lis = (cupsd_listener_t *)cupsArrayFirst(Listeners);
+          lis;
+          lis = (cupsd_listener_t *)cupsArrayNext(Listeners))
+      {
+       if (httpAddrLocalhost(&(lis->address)))
+         continue;
+
+       if (lis->address.addr.sa_family == AF_INET)
        {
-         cupsdLogMessage(CUPSD_LOG_ERROR,
-                         "Unable to bind to LDAP server; "
-                         "disabling LDAP browsing!");
-         ldap_unbind_ext(BrowseLDAPHandle, NULL, NULL);
-         BrowseLocalProtocols &= ~BROWSE_LDAP;
-         BrowseRemoteProtocols &= ~BROWSE_LDAP;
+         DNSSDPort = ntohs(lis->address.ipv4.sin_port);
+         break;
+       }
+       else if (lis->address.addr.sa_family == AF_INET6)
+       {
+         DNSSDPort = ntohs(lis->address.ipv6.sin6_port);
+         break;
        }
       }
+
+     /*
+      * Create an array to track the printers we share...
+      */
+
+      if (BrowseRemoteProtocols & BROWSE_DNSSD)
+        DNSSDPrinters = cupsArrayNew((cups_array_func_t)dnssdComparePrinters,
+                                    NULL);
+
+     /*
+      * Set the computer name and register the web interface...
+      */
+
+      cupsdUpdateDNSSDName();
+    }
+  }
+#endif /* HAVE_DNSSD */
+
+#ifdef HAVE_LIBSLP
+  if ((BrowseLocalProtocols | BrowseRemoteProtocols) & BROWSE_SLP)
+  {
+   /* 
+    * Open SLP handle...
+    */
+
+    if (SLPOpen("en", SLP_FALSE, &BrowseSLPHandle) != SLP_OK)
+    {
+      cupsdLogMessage(CUPSD_LOG_ERROR,
+                      "Unable to open an SLP handle; disabling SLP browsing!");
+      BrowseLocalProtocols &= ~BROWSE_SLP;
+      BrowseRemoteProtocols &= ~BROWSE_SLP;
+      BrowseSLPHandle = NULL;
+
+      if (FatalErrors & CUPSD_FATAL_BROWSE)
+       cupsdEndProcess(getpid(), 0);
+    }
+
+    BrowseSLPRefresh = 0;
+  }
+  else
+    BrowseSLPHandle = NULL;
+#endif /* HAVE_LIBSLP */
+
+#ifdef HAVE_LDAP
+  if ((BrowseLocalProtocols | BrowseRemoteProtocols) & BROWSE_LDAP)
+  {
+    if (!BrowseLDAPDN)
+    {
+      cupsdLogMessage(CUPSD_LOG_ERROR,
+                      "Need to set BrowseLDAPDN to use LDAP browsing!");
+      BrowseLocalProtocols &= ~BROWSE_LDAP;
+      BrowseRemoteProtocols &= ~BROWSE_LDAP;
+
+      if (FatalErrors & CUPSD_FATAL_BROWSE)
+       cupsdEndProcess(getpid(), 0);
+    }
+    else
+    {
+     /*
+      * Open LDAP handle...
+      */
+
+      if ((BrowseLDAPHandle = ldap_connect()) == NULL &&
+          (FatalErrors & CUPSD_FATAL_BROWSE))
+       cupsdEndProcess(getpid(), 0);
     }
 
     BrowseLDAPRefresh = 0;
   }
-#endif /* HAVE_OPENLDAP */
+#endif /* HAVE_LDAP */
 
  /*
   * Enable LPD and SMB printer sharing as needed through external programs...
@@ -1233,7 +1683,8 @@ cupsdStartBrowsing(void)
   for (p = (cupsd_printer_t *)cupsArrayFirst(Printers);
        p;
        p = (cupsd_printer_t *)cupsArrayNext(Printers))
-    if (!(p->type & (CUPS_PRINTER_REMOTE | CUPS_PRINTER_IMPLICIT)))
+    if (!(p->type & (CUPS_PRINTER_REMOTE | CUPS_PRINTER_IMPLICIT |
+                     CUPS_PRINTER_SCANNER)))
       cupsdRegisterPrinter(p);
 }
 
@@ -1317,7 +1768,7 @@ cupsdStartPolling(void)
     argv[1] = pollp->hostname;
 
     if (cupsdStartProcess(polld, argv, envp, -1, -1, statusfds[1], -1, -1,
-                          0, DefaultProfile, &(pollp->pid)) < 0)
+                          0, DefaultProfile, NULL, &(pollp->pid)) < 0)
     {
       cupsdLogMessage(CUPSD_LOG_ERROR,
                       "cupsdStartPolling: Unable to fork polling daemon - %s",
@@ -1361,7 +1812,8 @@ cupsdStopBrowsing(void)
   for (p = (cupsd_printer_t *)cupsArrayFirst(Printers);
        p;
        p = (cupsd_printer_t *)cupsArrayNext(Printers))
-    if (!(p->type & (CUPS_PRINTER_REMOTE | CUPS_PRINTER_IMPLICIT)))
+    if (!(p->type & (CUPS_PRINTER_REMOTE | CUPS_PRINTER_IMPLICIT |
+                     CUPS_PRINTER_SCANNER)))
       cupsdDeregisterPrinter(p, 1);
 
  /*
@@ -1387,27 +1839,7 @@ cupsdStopBrowsing(void)
 
 #ifdef HAVE_DNSSD
   if ((BrowseLocalProtocols & BROWSE_DNSSD) && DNSSDRef)
-  {
-    if (WebIFRef)
-    {
-      DNSServiceRefDeallocate(WebIFRef);
-      WebIFRef = NULL;
-    }
-
-    if (RemoteRef)
-    {
-      DNSServiceRefDeallocate(RemoteRef);
-      RemoteRef = NULL;
-    }
-
-    cupsdRemoveSelect(DNSServiceRefSockFD(DNSSDRef));
-
-    DNSServiceRefDeallocate(DNSSDRef);
-    DNSSDRef = NULL;
-
-    cupsArrayDelete(DNSSDPrinters);
-    DNSSDPrinters = NULL;
-  }
+    dnssdStop();
 #endif /* HAVE_DNSSD */
 
 #ifdef HAVE_LIBSLP
@@ -1423,11 +1855,12 @@ cupsdStopBrowsing(void)
   }
 #endif /* HAVE_LIBSLP */
 
-#ifdef HAVE_OPENLDAP
+#ifdef HAVE_LDAP
   if (((BrowseLocalProtocols | BrowseRemoteProtocols) & BROWSE_LDAP) &&
       BrowseLDAPHandle)
   {
-    ldap_unbind(BrowseLDAPHandle);
+    ldap_dereg_ou(ServerName, BrowseLDAPDN);
+    ldap_disconnect(BrowseLDAPHandle);
     BrowseLDAPHandle = NULL;
   }
 #endif /* HAVE_OPENLDAP */
@@ -1473,23 +1906,6 @@ cupsdStopPolling(void)
 
 
 #ifdef HAVE_DNSSD
-/*
- * 'cupsdUpdateDNSSDBrowse()' - Handle DNS-SD queries.
- */
-
-void
-cupsdUpdateDNSSDBrowse(void)
-{
-  DNSServiceErrorType  sdErr;          /* Service discovery error */
-
-
-  if ((sdErr = DNSServiceProcessResult(DNSSDRef)) != kDNSServiceErr_NoError)
-    cupsdLogMessage(CUPSD_LOG_ERROR,
-                    "DNS Service Discovery registration error %d!",
-                   sdErr);
-}
-
-
 /*
  * 'cupsdUpdateDNSSDName()' - Update the computer name we use for browsing...
  */
@@ -1500,9 +1916,11 @@ cupsdUpdateDNSSDName(void)
   DNSServiceErrorType error;           /* Error from service creation */
   char         webif[1024];            /* Web interface share name */
 #ifdef HAVE_COREFOUNDATION_H
-  CFStringRef  nameRef;                /* Computer name CFString */
+  SCDynamicStoreRef sc;                        /* Context for dynamic store */
+  CFDictionaryRef btmm;                        /* Back-to-My-Mac domains */
+  CFStringEncoding nameEncoding;       /* Encoding of computer name */
+  CFStringRef  nameRef;                /* Host name CFString */
   char         nameBuffer[1024];       /* C-string buffer */
-  CFStringEncoding nameEncoding;       /* Computer name encoding */
 #endif /* HAVE_COREFOUNDATION_H */
 
 
@@ -1511,6 +1929,7 @@ cupsdUpdateDNSSDName(void)
   * enabled...
   */
 
+
   if (!DNSSDPort)
     return;
 
@@ -1519,48 +1938,131 @@ cupsdUpdateDNSSDName(void)
   */
 
 #ifdef HAVE_COREFOUNDATION_H
-  cupsdClearString(&DNSSDName);
+  sc = SCDynamicStoreCreate(kCFAllocatorDefault, CFSTR("cupsd"), NULL, NULL);
 
-  if ((nameRef = SCDynamicStoreCopyComputerName(NULL,
-                                               &nameEncoding)) != NULL)
+  if (sc)
   {
-    if (CFStringGetCString(nameRef, nameBuffer, sizeof(nameBuffer),
-                          kCFStringEncodingUTF8))
-      cupsdSetString(&DNSSDName, nameBuffer);
+   /*
+    * Get the computer name from the dynamic store...
+    */
 
-    CFRelease(nameRef);
-  }
+    cupsdClearString(&DNSSDComputerName);
 
-#else
-  cupsdSetString(&DNSSDName, ServerName);
+    if ((nameRef = SCDynamicStoreCopyComputerName(sc, &nameEncoding)) != NULL)
+    {
+      if (CFStringGetCString(nameRef, nameBuffer, sizeof(nameBuffer),
+                            kCFStringEncodingUTF8))
+      {
+        cupsdLogMessage(CUPSD_LOG_DEBUG,
+                       "Dynamic store computer name is \"%s\".", nameBuffer);
+       cupsdSetString(&DNSSDComputerName, nameBuffer);
+      }
+
+      CFRelease(nameRef);
+    }
+
+    if (!DNSSDComputerName)
+    {
+     /*
+      * Use the ServerName instead...
+      */
+
+      cupsdLogMessage(CUPSD_LOG_DEBUG,
+                      "Using ServerName \"%s\" as computer name.", ServerName);
+      cupsdSetString(&DNSSDComputerName, ServerName);
+    }
+
+   /*
+    * Get the local hostname from the dynamic store...
+    */
+
+    cupsdClearString(&DNSSDHostName);
+
+    if ((nameRef = SCDynamicStoreCopyLocalHostName(sc)) != NULL)
+    {
+      if (CFStringGetCString(nameRef, nameBuffer, sizeof(nameBuffer),
+                            kCFStringEncodingUTF8))
+      {
+        cupsdLogMessage(CUPSD_LOG_DEBUG,
+                       "Dynamic store host name is \"%s\".", nameBuffer);
+       cupsdSetString(&DNSSDHostName, nameBuffer);
+      }
+
+      CFRelease(nameRef);
+    }
+
+    if (!DNSSDHostName)
+    {
+     /*
+      * Use the ServerName instead...
+      */
+
+      cupsdLogMessage(CUPSD_LOG_DEBUG,
+                      "Using ServerName \"%s\" as host name.", ServerName);
+      cupsdSetString(&DNSSDHostName, ServerName);
+    }
+
+   /*
+    * Get any Back-to-My-Mac domains and add them as aliases...
+    */
+
+    cupsdFreeAliases(DNSSDAlias);
+    DNSSDAlias = NULL;
+
+    btmm = SCDynamicStoreCopyValue(sc, CFSTR("Setup:/Network/BackToMyMac"));
+    if (btmm && CFGetTypeID(btmm) == CFDictionaryGetTypeID())
+    {
+      cupsdLogMessage(CUPSD_LOG_DEBUG, "%d Back to My Mac aliases to add.",
+                     (int)CFDictionaryGetCount(btmm));
+      CFDictionaryApplyFunction(btmm, dnssdAddAlias, NULL);
+    }
+    else if (btmm)
+      cupsdLogMessage(CUPSD_LOG_ERROR,
+                     "Bad Back to My Mac data in dynamic store!");
+    else
+      cupsdLogMessage(CUPSD_LOG_DEBUG, "No Back to My Mac aliases to add.");
+
+    if (btmm)
+      CFRelease(btmm);
+
+    CFRelease(sc);
+  }
+  else
 #endif /* HAVE_COREFOUNDATION_H */
+  {
+    cupsdSetString(&DNSSDComputerName, ServerName);
+    cupsdSetString(&DNSSDHostName, ServerName);
+  }
 
  /*
-  * Then (re)register the web interface...
+  * Then (re)register the web interface if enabled...
   */
 
-  if (DNSSDName)
-    snprintf(webif, sizeof(webif), "CUPS @ %s", DNSSDName);
-  else
-    strlcpy(webif, "CUPS Web Interface", sizeof(webif));
+  if (BrowseWebIF)
+  {
+    if (DNSSDComputerName)
+      snprintf(webif, sizeof(webif), "CUPS @ %s", DNSSDComputerName);
+    else
+      strlcpy(webif, "CUPS Web Interface", sizeof(webif));
 
-  if (WebIFRef)
-    DNSServiceRefDeallocate(WebIFRef);
+    if (WebIFRef)
+      DNSServiceRefDeallocate(WebIFRef);
 
-  WebIFRef = DNSSDRef;
-  if ((error = DNSServiceRegister(&WebIFRef,
-                                 kDNSServiceFlagsShareConnection,
-                                 0, webif, "_http._tcp", NULL,
-                                 NULL, htons(DNSSDPort), 7,
-                                 "\006path=/", dnssdRegisterCallback,
-                                 NULL)) != kDNSServiceErr_NoError)
-    cupsdLogMessage(CUPSD_LOG_ERROR,
-                   "DNS-SD web interface registration failed: %d", error);
+    WebIFRef = DNSSDRef;
+    if ((error = DNSServiceRegister(&WebIFRef,
+                                   kDNSServiceFlagsShareConnection,
+                                   0, webif, "_http._tcp", NULL,
+                                   NULL, htons(DNSSDPort), 7,
+                                   "\006path=/", dnssdRegisterCallback,
+                                   NULL)) != kDNSServiceErr_NoError)
+      cupsdLogMessage(CUPSD_LOG_ERROR,
+                     "DNS-SD web interface registration failed: %d", error);
+  }
 }
 #endif /* HAVE_DNSSD */
 
 
-#ifdef HAVE_OPENLDAP
+#ifdef HAVE_LDAP
 /*
  * 'cupsdUpdateLDAPBrowse()' - Scan for new printers via LDAP...
  */
@@ -1574,36 +2076,72 @@ cupsdUpdateLDAPBrowse(void)
                location[1024],         /* Printer location */
                info[1024],             /* Printer information */
                make_model[1024],       /* Printer make and model */
-               **value;                /* Holds the returned data from LDAP */
+               type_num[30];           /* Printer type number */
   int          type;                   /* Printer type */
   int          rc;                     /* LDAP status */
   int          limit;                  /* Size limit */
   LDAPMessage  *res,                   /* LDAP search results */
                  *e;                   /* Current entry from search */
 
+  cupsdLogMessage(CUPSD_LOG_DEBUG2, "UpdateLDAPBrowse: %s", ServerName);
+
+  BrowseLDAPRefresh = time(NULL) + BrowseInterval;
 
  /*
-  * Search for printers...
+  * Reconnect if LDAP Handle is invalid...
   */
 
-  cupsdLogMessage(CUPSD_LOG_DEBUG2, "UpdateLDAPBrowse: %s", ServerName);
+  if (! BrowseLDAPHandle)
+  {
+    ldap_reconnect();
+    return;
+  }
 
-  BrowseLDAPRefresh = time(NULL) + BrowseInterval;
+ /*
+  * Search for cups printers in LDAP directory...
+  */
+
+  rc = ldap_search_rec(BrowseLDAPHandle, BrowseLDAPDN, LDAP_SCOPE_SUBTREE,
+                       "(objectclass=cupsPrinter)", (char **)ldap_attrs, 0, &res);
+
+ /*
+  * If ldap search was successfull then exit function
+  * and temporary disable LDAP updates...
+  */
 
-  rc = ldap_search_s(BrowseLDAPHandle, BrowseLDAPDN, LDAP_SCOPE_SUBTREE,
-                     "(objectclass=cupsPrinter)", (char **)ldap_attrs, 0, &res);
   if (rc != LDAP_SUCCESS) 
   {
-    cupsdLogMessage(CUPSD_LOG_ERROR,
-                    "LDAP search returned error %d: %s", rc,
-                   ldap_err2string(rc));
+    if (BrowseLDAPUpdate && ((rc == LDAP_SERVER_DOWN) || (rc == LDAP_CONNECT_ERROR)))
+    {
+      BrowseLDAPUpdate = FALSE;
+      cupsdLogMessage(CUPSD_LOG_INFO,
+                      "LDAP update temporary disabled");
+    }
     return;
   }
 
+ /*
+  * If LDAP updates were disabled, we will reenable them...
+  */
+
+  if (! BrowseLDAPUpdate)
+  {
+    BrowseLDAPUpdate = TRUE;
+    cupsdLogMessage(CUPSD_LOG_INFO,
+                    "LDAP update enabled");
+  }
+
+ /*
+  * Count LDAP entries and return if no entry exist...
+  */
+
   limit = ldap_count_entries(BrowseLDAPHandle, res);
   cupsdLogMessage(CUPSD_LOG_DEBUG2, "LDAP search returned %d entries", limit);
   if (limit < 1)
+  {
+    ldap_freeres(res);
     return;
+  }
 
  /*
   * Loop through the available printers...
@@ -1617,41 +2155,28 @@ cupsdUpdateLDAPBrowse(void)
     * Get the required values from this entry...
     */
 
-    if ((value = ldap_get_values(BrowseLDAPHandle, e,
-                                 "printerDescription")) == NULL)
+    if (ldap_getval_firststring(BrowseLDAPHandle, e,
+                                "printerDescription", info, sizeof(info)) == -1)
       continue;
 
-    strlcpy(info, *value, sizeof(info));
-    ldap_value_free(value);
-
-    if ((value = ldap_get_values(BrowseLDAPHandle, e,
-                                 "printerLocation")) == NULL)
+    if (ldap_getval_firststring(BrowseLDAPHandle, e,
+                                "printerLocation", location, sizeof(location)) == -1)
       continue;
 
-    strlcpy(location, *value, sizeof(location));
-    ldap_value_free(value);
-
-    if ((value = ldap_get_values(BrowseLDAPHandle, e,
-                                 "printerMakeAndModel")) == NULL)
+    if (ldap_getval_firststring(BrowseLDAPHandle, e,
+                                "printerMakeAndModel", make_model, sizeof(make_model)) == -1)
       continue;
 
-    strlcpy(make_model, *value, sizeof(make_model));
-    ldap_value_free(value);
-
-    if ((value = ldap_get_values(BrowseLDAPHandle, e,
-                                 "printerType")) == NULL)
+    if (ldap_getval_firststring(BrowseLDAPHandle, e,
+                                "printerType", type_num, sizeof(type_num)) == -1)
       continue;
 
-    type = atoi(*value);
-    ldap_value_free(value);
+    type = atoi(type_num);
 
-    if ((value = ldap_get_values(BrowseLDAPHandle, e,
-                                 "printerURI")) == NULL)
+    if (ldap_getval_firststring(BrowseLDAPHandle, e,
+                                "printerURI", uri, sizeof(uri)) == -1)
       continue;
 
-    strlcpy(uri, *value, sizeof(uri));
-    ldap_value_free(value);
-
    /*
     * Process the entry as browse data...
     */
@@ -1661,8 +2186,10 @@ cupsdUpdateLDAPBrowse(void)
                           location, info, make_model, 0, NULL);
 
   }
+
+  ldap_freeres(res);
 }
-#endif /* HAVE_OPENLDAP */
+#endif /* HAVE_LDAP */
 
 
 #ifdef HAVE_LIBSLP 
@@ -1776,6 +2303,41 @@ dequote(char       *d,                   /* I - Destination string */
 
 
 #ifdef HAVE_DNSSD
+#  ifdef HAVE_COREFOUNDATION
+/*
+ * 'dnssdAddAlias()' - Add a DNS-SD alias name.
+ */
+
+static void
+dnssdAddAlias(const void *key,         /* I - Key */
+              const void *value,       /* I - Value (domain) */
+             void       *context)      /* I - Unused */
+{
+  char valueStr[1024],                 /* Domain string */
+       hostname[1024];                 /* Complete hostname */
+
+
+  (void)context;
+
+  if (CFGetTypeID((CFStringRef)value) == CFStringGetTypeID() &&
+      CFStringGetCString((CFStringRef)value, valueStr, sizeof(valueStr),
+                         kCFStringEncodingUTF8))
+  {
+    snprintf(hostname, sizeof(hostname), "%s.%s", DNSSDHostName, valueStr);
+    if (!DNSSDAlias)
+      DNSSDAlias = cupsArrayNew(NULL, NULL);
+
+    cupsdAddAlias(DNSSDAlias, hostname);
+    cupsdLogMessage(CUPSD_LOG_DEBUG, "Added Back to My Mac ServerAlias %s",
+                   hostname);
+  }
+  else
+    cupsdLogMessage(CUPSD_LOG_ERROR,
+                    "Bad Back to My Mac domain in dynamic store!");
+}
+#  endif /* HAVE_COREFOUNDATION */
+
+
 /*
  * 'dnssdBuildTxtRecord()' - Build a TXT record from printer info.
  */
@@ -1786,8 +2348,9 @@ dnssdBuildTxtRecord(
     cupsd_printer_t *p,                        /* I - Printer information */
     int             for_lpd)           /* I - 1 = LPD, 0 = IPP */
 {
-  int          i, j;                   /* Looping vars */
-  char         type_str[32],           /* Type to string buffer */
+  int          i;                      /* Looping var */
+  char         adminurl_str[256],      /* URL for the admin page */
+               type_str[32],           /* Type to string buffer */
                state_str[32],          /* State to string buffer */
                rp_str[1024],           /* Queue name string buffer */
                air_str[1024],          /* auth-info-required string buffer */
@@ -1815,13 +2378,17 @@ dnssdBuildTxtRecord(
             (p->type & CUPS_PRINTER_CLASS) ? "classes" : "printers", p->name);
 
   keyvalue[i  ][0] = "ty";
-  keyvalue[i++][1] = p->make_model;
+  keyvalue[i++][1] = p->make_model ? p->make_model : "Unknown";
 
-  if (p->location && *p->location != '\0')
-  {
-    keyvalue[i  ][0] = "note";
-    keyvalue[i++][1] = p->location;
-  }
+  httpAssembleURIf(HTTP_URI_CODING_ALL, adminurl_str, sizeof(adminurl_str),
+                   "http", NULL, DNSSDHostName, DNSSDPort, "/%s/%s",
+                  (p->type & CUPS_PRINTER_CLASS) ? "classes" : "printers",
+                  p->name);
+  keyvalue[i  ][0] = "adminurl";
+  keyvalue[i++][1] = adminurl_str;
+
+  keyvalue[i  ][0] = "note";
+  keyvalue[i++][1] = p->location ? p->location : "";
 
   keyvalue[i  ][0] = "priority";
   keyvalue[i++][1] = for_lpd ? "100" : "0";
@@ -1844,82 +2411,43 @@ dnssdBuildTxtRecord(
   keyvalue[i  ][0] = "Binary";
   keyvalue[i++][1] = "T";
 
-  if ((p->type & CUPS_PRINTER_FAX))
-  {
-    keyvalue[i  ][0] = "Fax";
-    keyvalue[i++][1] = "T";
-  }
-
-  if ((p->type & CUPS_PRINTER_COLOR))
-  {
-    keyvalue[i  ][0] = "Color";
-    keyvalue[i++][1] = "T";
-  }
-
-  if ((p->type & CUPS_PRINTER_DUPLEX))
-  {
-    keyvalue[i  ][0] = "Duplex";
-    keyvalue[i++][1] = "T";
-  }
-
-  if ((p->type & CUPS_PRINTER_STAPLE))
-  {
-    keyvalue[i  ][0] = "Staple";
-    keyvalue[i++][1] = "T";
-  }
-
-  if ((p->type & CUPS_PRINTER_COPIES))
-  {
-    keyvalue[i  ][0] = "Copies";
-    keyvalue[i++][1] = "T";
-  }
-
-  if ((p->type & CUPS_PRINTER_COLLATE))
-  {
-    keyvalue[i  ][0] = "Collate";
-    keyvalue[i++][1] = "T";
-  }
+  keyvalue[i  ][0] = "Fax";
+  keyvalue[i++][1] = (p->type & CUPS_PRINTER_FAX) ? "T" : "F";
 
-  if ((p->type & CUPS_PRINTER_PUNCH))
-  {
-    keyvalue[i  ][0] = "Punch";
-    keyvalue[i++][1] = "T";
-  }
+  keyvalue[i  ][0] = "Color";
+  keyvalue[i++][1] = (p->type & CUPS_PRINTER_COLOR) ? "T" : "F";
 
-  if ((p->type & CUPS_PRINTER_BIND))
-  {
-    keyvalue[i  ][0] = "Bind";
-    keyvalue[i++][1] = "T";
-  }
+  keyvalue[i  ][0] = "Duplex";
+  keyvalue[i++][1] = (p->type & CUPS_PRINTER_DUPLEX) ? "T" : "F";
 
-  if ((p->type & CUPS_PRINTER_SORT))
-  {
-    keyvalue[i  ][0] = "Sort";
-    keyvalue[i++][1] = "T";
-  }
+  keyvalue[i  ][0] = "Staple";
+  keyvalue[i++][1] = (p->type & CUPS_PRINTER_STAPLE) ? "T" : "F";
 
-  keyvalue[i  ][0] = "pdl";
-  keyvalue[i++][1] = p->pdl ? p->pdl : "application/postscript";
+  keyvalue[i  ][0] = "Copies";
+  keyvalue[i++][1] = (p->type & CUPS_PRINTER_COPIES) ? "T" : "F";
 
-  if (p->num_auth_info_required)
-  {
-    char       *air = air_str;         /* Pointer into string */
+  keyvalue[i  ][0] = "Collate";
+  keyvalue[i++][1] = (p->type & CUPS_PRINTER_COLLATE) ? "T" : "F";
 
+  keyvalue[i  ][0] = "Punch";
+  keyvalue[i++][1] = (p->type & CUPS_PRINTER_PUNCH) ? "T" : "F";
 
-    for (j = 0; j < p->num_auth_info_required; j ++)
-    {
-      if (air >= (air_str + sizeof(air_str) - 2))
-        break;
+  keyvalue[i  ][0] = "Bind";
+  keyvalue[i++][1] = (p->type & CUPS_PRINTER_BIND) ? "T" : "F";
 
-      if (j)
-        *air++ = ',';
+  keyvalue[i  ][0] = "Sort";
+  keyvalue[i++][1] = (p->type & CUPS_PRINTER_SORT) ? "T" : "F";
 
-      strlcpy(air, p->auth_info_required[j], sizeof(air_str) - (air - air_str));
-      air += strlen(air);
-    }
+  keyvalue[i  ][0] = "Scan";
+  keyvalue[i++][1] = (p->type & CUPS_PRINTER_MFP) ? "T" : "F";
 
+  keyvalue[i  ][0] = "pdl";
+  keyvalue[i++][1] = p->pdl ? p->pdl : "application/postscript";
+
+  if (get_auth_info_required(p, air_str, sizeof(air_str)))
+  {
     keyvalue[i  ][0] = "air";
-    keyvalue[i++][1] = air;
+    keyvalue[i++][1] = air_str;
   }
 
  /*
@@ -1963,9 +2491,6 @@ dnssdDeregisterPrinter(
     p->ipp_ref = NULL;
   }
 
-  cupsArrayRemove(DNSSDPrinters, p);
-  cupsdClearString(&p->reg_name);
-
   if (p->ipp_txt)
   {
    /*
@@ -1975,6 +2500,30 @@ dnssdDeregisterPrinter(
     free(p->ipp_txt);
     p->ipp_txt = NULL;
   }
+
+  if (p->printer_ref)
+  {
+    DNSServiceRefDeallocate(p->printer_ref);
+    p->printer_ref = NULL;
+  }
+
+  if (p->printer_txt)
+  {
+   /*
+    * p->printer_txt is malloc'd, not _cupsStrAlloc'd...
+    */
+
+    free(p->printer_txt);
+    p->printer_txt = NULL;
+  }
+
+ /*
+  * Remove the printer from the array of DNS-SD printers, then clear the
+  * registered name...
+  */
+
+  cupsArrayRemove(DNSSDPrinters, p);
+  cupsdClearString(&p->reg_name);
 }
 
 
@@ -2058,8 +2607,9 @@ dnssdRegisterCallback(
                                        /* Current printer */
 
 
-  cupsdLogMessage(CUPSD_LOG_DEBUG2, "dnssdRegisterCallback(%s, %s) for %s",
-                  name, regtype, p ? p->name : "Web Interface");
+  cupsdLogMessage(CUPSD_LOG_DEBUG2, "dnssdRegisterCallback(%s, %s) for %s (%s)",
+                  name, regtype, p ? p->name : "Web Interface",
+                 p ? (p->reg_name ? p->reg_name : "(null)") : "NA");
 
   if (errorCode)
   {
@@ -2067,7 +2617,7 @@ dnssdRegisterCallback(
                    "DNSServiceRegister failed with error %d", (int)errorCode);
     return;
   }
-  else if (p && strcasecmp(name, p->reg_name))
+  else if (p && (!p->reg_name || strcasecmp(name, p->reg_name)))
   {
     cupsdLogMessage(CUPSD_LOG_INFO, "Using service name \"%s\" for \"%s\"",
                     name, p->name);
@@ -2096,12 +2646,7 @@ dnssdRegisterPrinter(cupsd_printer_t *p)/* I - Printer */
                        *nameptr;       /* Pointer into name */
   int                  ipp_len,        /* IPP TXT record length */
                        printer_len;    /* LPD TXT record length */
-  char                 resource[1024]; /* Resource path for printer */
   const char           *regtype;       /* Registration type */
-  const char           *domain;        /* Registration domain */
-  cupsd_location_t     *location,      /* Printer location */
-                       *policy;        /* Operation policy for Print-Job */
-  unsigned             address[4];     /* INADDR_ANY address */
 
 
   cupsdLogMessage(CUPSD_LOG_DEBUG2, "dnssdRegisterPrinter(%s) %s", p->name,
@@ -2124,13 +2669,13 @@ dnssdRegisterPrinter(cupsd_printer_t *p)/* I - Printer */
 
   if (p->info && strlen(p->info) > 0)
   {
-    if (DNSSDName)
-      snprintf(name, sizeof(name), "%s @ %s", p->info, DNSSDName);
+    if (DNSSDComputerName)
+      snprintf(name, sizeof(name), "%s @ %s", p->info, DNSSDComputerName);
     else
       strlcpy(name, p->info, sizeof(name));
   }
-  else if (DNSSDName)
-    snprintf(name, sizeof(name), "%s @ %s", p->name, DNSSDName);
+  else if (DNSSDComputerName)
+    snprintf(name, sizeof(name), "%s @ %s", p->name, DNSSDComputerName);
   else
     strlcpy(name, p->name, sizeof(name));
 
@@ -2148,31 +2693,44 @@ dnssdRegisterPrinter(cupsd_printer_t *p)/* I - Printer */
   }
 
  /*
-  * If 'Allow printing from the Internet' is enabled (i.e. from any address)
-  * let dnssd decide on the domain, otherwise restrict it to ".local".
+  * Register IPP and (optionally) LPD...
   */
 
-  if (p->type & CUPS_PRINTER_CLASS)
-    snprintf(resource, sizeof(resource), "/classes/%s", p->name);
-  else
-    snprintf(resource, sizeof(resource), "/printers/%s", p->name);
+  ipp_len = 0;                         /* anti-compiler-warning-code */
+  ipp_txt = dnssdBuildTxtRecord(&ipp_len, p, 0);
 
-  address[0] = address[1] = address[2] = address[3] = 0;
-  location   = cupsdFindBest(resource, HTTP_POST);
-  policy     = cupsdFindPolicyOp(p->op_policy_ptr, IPP_PRINT_JOB);
+  if (p->ipp_ref &&
+      (ipp_len != p->ipp_len || memcmp(ipp_txt, p->ipp_txt, ipp_len)))
+  {
+   /*
+    * Update the existing registration...
+    */
 
-  if ((location && !cupsdCheckAccess(address, "", 0, location)) ||
-      (policy && !cupsdCheckAccess(address, "", 0, policy)))
-    domain = "local.";
-  else
-    domain = NULL;
+    /* A TTL of 0 means use record's original value (Radar 3176248) */
+    if ((se = DNSServiceUpdateRecord(p->ipp_ref, NULL, 0, ipp_len, ipp_txt,
+                                    0)) == kDNSServiceErr_NoError)
+    {
+      if (p->ipp_txt)
+       free(p->ipp_txt);
 
- /*
-  * Register IPP and (optionally) LPD...
-  */
+      p->ipp_txt = ipp_txt;
+      p->ipp_len = ipp_len;
+      ipp_txt    = NULL;
+    }
+    else
+    {
+     /*
+      * Failed to update record, lets close this reference and move on...
+      */
 
-  ipp_len    = 0;                      /* anti-compiler-warning-code */
-  ipp_txt = dnssdBuildTxtRecord(&ipp_len, p, 0);
+      cupsdLogMessage(CUPSD_LOG_ERROR,
+                     "Unable to update IPP DNS-SD record for %s - %d", p->name,
+                     se);
+
+      DNSServiceRefDeallocate(p->ipp_ref);
+      p->ipp_ref = NULL;
+    }
+  }
 
   if (!p->ipp_ref)
   {
@@ -2184,9 +2742,8 @@ dnssdRegisterPrinter(cupsd_printer_t *p)/* I - Printer */
                                              "_ipp._tcp,_cups";
 
     cupsdLogMessage(CUPSD_LOG_DEBUG, 
-                   "Registering DNS-SD printer %s with name \"%s\", "
-                   "type \"%s\", and domain \"%s\"", p->name, name, regtype,
-                   domain ? domain : "(null)");
+                   "Registering DNS-SD printer %s with name \"%s\" and "
+                   "type \"%s\"", p->name, name, regtype);
 
    /*
     * Register the queue, dropping characters as needed until we succeed...
@@ -2198,7 +2755,7 @@ dnssdRegisterPrinter(cupsd_printer_t *p)/* I - Printer */
     {
       p->ipp_ref = DNSSDRef;
       if ((se = DNSServiceRegister(&p->ipp_ref, kDNSServiceFlagsShareConnection,
-                                   0, name, regtype, domain, NULL,
+                                   0, name, regtype, NULL, NULL,
                                   htons(DNSSDPort), ipp_len, ipp_txt,
                                   dnssdRegisterCallback,
                                   p)) == kDNSServiceErr_BadParam)
@@ -2230,31 +2787,50 @@ dnssdRegisterPrinter(cupsd_printer_t *p)/* I - Printer */
                       "DNS-SD IPP registration of \"%s\" failed: %d",
                      p->name, se);
   }
-  else if (ipp_len != p->ipp_len || memcmp(ipp_txt, p->ipp_txt, ipp_len))
-  {
-   /*
-    * Update the existing registration...
-    */
-
-    /* A TTL of 0 means use record's original value (Radar 3176248) */
-    DNSServiceUpdateRecord(p->ipp_ref, NULL, 0, ipp_len, ipp_txt, 0);
-
-    if (p->ipp_txt)
-      free(p->ipp_txt);
-
-    p->ipp_txt = ipp_txt;
-    p->ipp_len = ipp_len;
-    ipp_txt    = NULL;
-  }
 
   if (ipp_txt)
     free(ipp_txt);
 
   if (BrowseLocalProtocols & BROWSE_LPD)
   {
-    printer_len    = 0;                        /* anti-compiler-warning-code */
+    printer_len = 0;                   /* anti-compiler-warning-code */
     printer_txt = dnssdBuildTxtRecord(&printer_len, p, 1);
 
+    if (p->printer_ref &&
+       (printer_len != p->printer_len ||
+        memcmp(printer_txt, p->printer_txt, printer_len)))
+    {
+     /*
+      * Update the existing registration...
+      */
+
+      /* A TTL of 0 means use record's original value (Radar 3176248) */
+      if ((se = DNSServiceUpdateRecord(p->printer_ref, NULL, 0, printer_len,
+                                      printer_txt,
+                                      0)) == kDNSServiceErr_NoError)
+      {
+       if (p->printer_txt)
+         free(p->printer_txt);
+
+       p->printer_txt = printer_txt;
+       p->printer_len = printer_len;
+       printer_txt    = NULL;
+      }
+      else
+      {
+       /*
+       * Failed to update record, lets close this reference and move on...
+       */
+
+       cupsdLogMessage(CUPSD_LOG_ERROR,
+                       "Unable to update LPD DNS-SD record for %s - %d",
+                       p->name, se);
+
+       DNSServiceRefDeallocate(p->printer_ref);
+       p->printer_ref = NULL;
+      }
+    }
+    
     if (!p->printer_ref)
     {
      /*
@@ -2262,14 +2838,13 @@ dnssdRegisterPrinter(cupsd_printer_t *p)/* I - Printer */
       */
 
       cupsdLogMessage(CUPSD_LOG_DEBUG, 
-                     "Registering DNS-SD printer %s with name \"%s\", "
-                     "type \"_printer._tcp\", and domain \"%s\"", p->name,
-                     name, domain ? domain : "(null)");
+                     "Registering DNS-SD printer %s with name \"%s\" and "
+                     "type \"_printer._tcp\"", p->name, name);
 
       p->printer_ref = DNSSDRef;
       if ((se = DNSServiceRegister(&p->printer_ref,
                                    kDNSServiceFlagsShareConnection,
-                                  0, name, "_printer._tcp", domain, NULL,
+                                  0, name, "_printer._tcp", NULL, NULL,
                                   htons(515), printer_len, printer_txt,
                                   dnssdRegisterCallback,
                                   p)) == kDNSServiceErr_NoError)
@@ -2283,30 +2858,158 @@ dnssdRegisterPrinter(cupsd_printer_t *p)/* I - Printer */
                        "DNS-SD LPD registration of \"%s\" failed: %d",
                        p->name, se);
     }
-    else if (printer_len != p->printer_len ||
-             memcmp(printer_txt, p->printer_txt, printer_len))
+
+    if (printer_txt)
+      free(printer_txt);
+  }
+}
+
+
+/*
+ * 'dnssdStop()' - Stop all DNS-SD registrations.
+ */
+
+static void
+dnssdStop(void)
+{
+  cupsd_printer_t      *p;             /* Current printer */
+
+
+ /*
+  * De-register the individual printers
+  */
+
+  for (p = (cupsd_printer_t *)cupsArrayFirst(Printers);
+       p;
+       p = (cupsd_printer_t *)cupsArrayNext(Printers))
+    dnssdDeregisterPrinter(p);
+
+ /*
+  * Shutdown the rest of the service refs...
+  */
+
+  if (WebIFRef)
+  {
+    DNSServiceRefDeallocate(WebIFRef);
+    WebIFRef = NULL;
+  }
+
+  if (RemoteRef)
+  {
+    DNSServiceRefDeallocate(RemoteRef);
+    RemoteRef = NULL;
+  }
+
+  cupsdRemoveSelect(DNSServiceRefSockFD(DNSSDRef));
+
+  DNSServiceRefDeallocate(DNSSDRef);
+  DNSSDRef = NULL;
+
+  cupsArrayDelete(DNSSDPrinters);
+  DNSSDPrinters = NULL;
+
+  DNSSDPort = 0;
+}
+
+
+/*
+ * 'dnssdUpdate()' - Handle DNS-SD queries.
+ */
+
+static void
+dnssdUpdate(void)
+{
+  DNSServiceErrorType  sdErr;          /* Service discovery error */
+
+
+  if ((sdErr = DNSServiceProcessResult(DNSSDRef)) != kDNSServiceErr_NoError)
+  {
+    cupsdLogMessage(CUPSD_LOG_ERROR,
+                    "DNS Service Discovery registration error %d!",
+                   sdErr);
+    dnssdStop();
+  }
+}
+#endif /* HAVE_DNSSD */
+
+
+/*
+ * 'get_auth_info_required()' - Get the auth-info-required value to advertise.
+ */
+
+static char *                          /* O - String or NULL if none */
+get_auth_info_required(
+    cupsd_printer_t *p,                        /* I - Printer */
+    char            *buffer,           /* I - Value buffer */
+    size_t          bufsize)           /* I - Size of value buffer */
+{
+  cupsd_location_t *auth;              /* Pointer to authentication element */
+  char         resource[1024];         /* Printer/class resource path */
+
+
+ /*
+  * If auth-info-required is set for this printer, return that...
+  */
+
+  if (p->num_auth_info_required > 0 && strcmp(p->auth_info_required[0], "none"))
+  {
+    int                i;                      /* Looping var */
+    char       *bufptr;                /* Pointer into buffer */
+
+    for (i = 0, bufptr = buffer; i < p->num_auth_info_required; i ++)
     {
-     /*
-      * Update the existing registration...
-      */
+      if (bufptr >= (buffer + bufsize - 2))
+       break;
 
-      /* A TTL of 0 means use record's original value (Radar 3176248) */
-      DNSServiceUpdateRecord(p->printer_ref, NULL, 0, printer_len,
-                             printer_txt, 0);
+      if (i)
+       *bufptr++ = ',';
+
+      strlcpy(bufptr, p->auth_info_required[i], bufsize - (bufptr - buffer));
+      bufptr += strlen(bufptr);
+    }
+
+    return (buffer);
+  }
+
+ /*
+  * Figure out the authentication data requirements to advertise...
+  */
 
-      if (p->printer_txt)
-       free(p->printer_txt);
+  if (p->type & CUPS_PRINTER_CLASS)
+    snprintf(resource, sizeof(resource), "/classes/%s", p->name);
+  else
+    snprintf(resource, sizeof(resource), "/printers/%s", p->name);
+
+  if ((auth = cupsdFindBest(resource, HTTP_POST)) == NULL ||
+      auth->type == CUPSD_AUTH_NONE)
+    auth = cupsdFindPolicyOp(p->op_policy_ptr, IPP_PRINT_JOB);
+
+  if (auth)
+  {
+    int        auth_type;                      /* Authentication type */
+
+    if ((auth_type = auth->type) == CUPSD_AUTH_DEFAULT)
+      auth_type = DefaultAuthType;
 
-      p->printer_txt = printer_txt;
-      p->printer_len = printer_len;
-      printer_txt    = NULL;
+    switch (auth_type)
+    {
+      case CUPSD_AUTH_NONE :
+          return (NULL);
+
+      case CUPSD_AUTH_NEGOTIATE :
+         strlcpy(buffer, "negotiate", bufsize);
+         break;
+
+      default :
+         strlcpy(buffer, "username,password", bufsize);
+         break;
     }
 
-    if (printer_txt)
-      free(printer_txt);
+    return (buffer);
   }
+
+  return (NULL);
 }
-#endif /* HAVE_DNSSD */
 
 
 #ifdef __APPLE__
@@ -2436,12 +3139,22 @@ process_browse_data(
                newname[IPP_MAX_NAME],  /* New name of printer */
                *hptr,                  /* Pointer into hostname */
                *sptr;                  /* Pointer into ServerName */
+  const char   *shortname;             /* Short queue name (queue) */
   char         local_make_model[IPP_MAX_NAME];
                                        /* Local make and model */
   cupsd_printer_t *p;                  /* Printer information */
   const char   *ipp_options,           /* ipp-options value */
                *lease_duration;        /* lease-duration value */
+  int          is_class;               /* Is this queue a class? */
+
 
+  cupsdLogMessage(CUPSD_LOG_DEBUG2,
+                  "process_browse_data(uri=\"%s\", host=\"%s\", "
+                 "resource=\"%s\", type=%x, state=%d, location=\"%s\", "
+                 "info=\"%s\", make_model=\"%s\", num_attrs=%d, attrs=%p)",
+                 uri, host, resource, type, state,
+                 location ? location : "(nil)", info ? info : "(nil)",
+                 make_model ? make_model : "(nil)", num_attrs, attrs);
 
  /*
   * Determine if the URI contains any illegal characters in it...
@@ -2451,9 +3164,7 @@ process_browse_data(
       (strncmp(resource, "/printers/", 10) &&
        strncmp(resource, "/classes/", 9)))
   {
-    cupsdLogMessage(CUPSD_LOG_ERROR,
-                    "process_browse_data: Bad printer URI in browse data: %s",
-                    uri);
+    cupsdLogMessage(CUPSD_LOG_ERROR, "Bad printer URI in browse data: %s", uri);
     return;
   }
 
@@ -2461,8 +3172,7 @@ process_browse_data(
       (!strncmp(resource, "/printers/", 10) && strchr(resource + 10, '/')) ||
       (!strncmp(resource, "/classes/", 9) && strchr(resource + 9, '/')))
   {
-    cupsdLogMessage(CUPSD_LOG_ERROR,
-                    "process_browse_data: Bad resource in browse data: %s",
+    cupsdLogMessage(CUPSD_LOG_ERROR, "Bad resource in browse data: %s",
                     resource);
     return;
   }
@@ -2517,11 +3227,12 @@ process_browse_data(
   * See if we already have it listed in the Printers list, and add it if not...
   */
 
-  type   |= CUPS_PRINTER_REMOTE | CUPS_PRINTER_DISCOVERED;
-  type   &= ~CUPS_PRINTER_IMPLICIT;
-  update = 0;
-  hptr   = strchr(host, '.');
-  sptr   = strchr(ServerName, '.');
+  type     |= CUPS_PRINTER_REMOTE | CUPS_PRINTER_DISCOVERED;
+  type     &= ~CUPS_PRINTER_IMPLICIT;
+  update   = 0;
+  hptr     = strchr(host, '.');
+  sptr     = strchr(ServerName, '.');
+  is_class = type & CUPS_PRINTER_CLASS;
 
   if (!ServerNameIsIP && sptr != NULL && hptr != NULL)
   {
@@ -2541,7 +3252,7 @@ process_browse_data(
     }
   }
 
-  if (type & CUPS_PRINTER_CLASS)
+  if (is_class)
   {
    /*
     * Remote destination is a class...
@@ -2552,210 +3263,140 @@ process_browse_data(
     else
       return;
 
-    if (hptr && !*hptr)
-      *hptr = '.';                     /* Resource FQDN */
-
-    if ((p = cupsdFindDest(name)) == NULL && BrowseShortNames)
-    {
-      if ((p = cupsdFindDest(resource + 9)) != NULL)
-      {
-        if (p->hostname && strcasecmp(p->hostname, host))
-       {
-        /*
-         * 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...
-         */
+    shortname = resource + 9;
+  }
+  else
+  {
+   /*
+    * Remote destination is a printer...
+    */
 
-         if (p->type & CUPS_PRINTER_REMOTE)
-         {
-           cupsdLogMessage(CUPSD_LOG_DEBUG,
-                           "Renamed remote class \"%s\" to \"%s@%s\"...",
-                           p->name, p->name, p->hostname);
-           cupsdAddEvent(CUPSD_EVENT_PRINTER_DELETED, p, NULL,
-                         "Class \'%s\' deleted by directory services.",
-                         p->name);
-
-            snprintf(newname, sizeof(newname), "%s@%s", p->name, p->hostname);
-            cupsdRenamePrinter(p, newname);
-
-           cupsdAddEvent(CUPSD_EVENT_PRINTER_ADDED, p, NULL,
-                         "Class \'%s\' added by directory services.",
-                         p->name);
-         }
+    if (!strncmp(resource, "/printers/", 10))
+      snprintf(name, sizeof(name), "%s@%s", resource + 10, host);
+    else
+      return;
 
-          p = NULL;
-       }
-       else if (!p->hostname)
-       {
-        /*
-         * Hostname not set, so this must be a cached remote printer
-         * that was created for a pending print job...
-         */
+    shortname = resource + 10;
+  }
 
-          cupsdSetString(&p->hostname, host);
-         cupsdSetString(&p->uri, uri);
-         cupsdSetString(&p->device_uri, uri);
-          update = 1;
-        }
-      }
-      else
-      {
-       /*
-        * Use the short name for this shared class.
-       */
+  if (hptr && !*hptr)
+    *hptr = '.';                       /* Resource FQDN */
 
-        strlcpy(name, resource + 9, sizeof(name));
-      }
-    }
-    else if (p && !p->hostname)
-    {
-     /*
-      * Hostname not set, so this must be a cached remote printer
-      * that was created for a pending print job...
-      */
+  if ((p = cupsdFindDest(name)) == NULL && BrowseShortNames)
+  {
+   /*
+    * Long name doesn't exist, try short name...
+    */
 
-      cupsdSetString(&p->hostname, host);
-      cupsdSetString(&p->uri, uri);
-      cupsdSetString(&p->device_uri, uri);
-      update = 1;
-    }
+    cupsdLogMessage(CUPSD_LOG_DEBUG, "process_browse_data: %s not found...",
+                    name);
 
-    if (!p)
+    if ((p = cupsdFindDest(shortname)) == NULL)
     {
      /*
-      * Class doesn't exist; add it...
-      */
-
-      p = cupsdAddClass(name);
-
-      cupsdLogMessage(CUPSD_LOG_DEBUG, "Added remote class \"%s\"...", name);
-
-      cupsdAddEvent(CUPSD_EVENT_PRINTER_ADDED, p, NULL,
-                    "Class \'%s\' added by directory services.", name);
-
-     /*
-      * Force the URI to point to the real server...
+      * Short name doesn't exist, use it for this shared queue.
       */
 
-      p->type      = type & ~CUPS_PRINTER_REJECTING;
-      p->accepting = 1;
-      cupsdSetString(&p->uri, uri);
-      cupsdSetString(&p->device_uri, uri);
-      cupsdSetString(&p->hostname, host);
-
-      update = 1;
-
-      cupsdMarkDirty(CUPSD_DIRTY_PRINTCAP | CUPSD_DIRTY_REMOTE);
-    }
-  }
-  else
-  {
-   /*
-    * Remote destination is a printer...
-    */
-
-    if (!strncmp(resource, "/printers/", 10))
-      snprintf(name, sizeof(name), "%s@%s", resource + 10, host);
+      cupsdLogMessage(CUPSD_LOG_DEBUG2, "process_browse_data: %s not found...",
+                     shortname);
+      strlcpy(name, shortname, sizeof(name));
+    }
     else
-      return;
+    {
+     /*
+      * Short name exists...
+      */
 
-    if (hptr && !*hptr)
-      *hptr = '.';                     /* Resource FQDN */
+      cupsdLogMessage(CUPSD_LOG_DEBUG2,
+                      "process_browse_data: %s found, type=%x, hostname=%s...",
+                     shortname, p->type, p->hostname ? p->hostname : "(nil)");
 
-    if ((p = cupsdFindDest(name)) == NULL && BrowseShortNames)
-    {
-      if ((p = cupsdFindDest(resource + 10)) != NULL)
+      if (p->type & CUPS_PRINTER_IMPLICIT)
+        p = NULL;                      /* Don't replace implicit classes */
+      else if (p->hostname && strcasecmp(p->hostname, host))
       {
-        if (p->hostname && strcasecmp(p->hostname, host))
-       {
-        /*
-         * 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)
-         {
-           cupsdLogMessage(CUPSD_LOG_DEBUG,
-                           "Renamed remote printer \"%s\" to \"%s@%s\"...",
-                           p->name, p->name, p->hostname);
-           cupsdAddEvent(CUPSD_EVENT_PRINTER_DELETED, p, NULL,
-                         "Printer \'%s\' deleted by directory services.",
-                         p->name);
-
-            snprintf(newname, sizeof(newname), "%s@%s", p->name, p->hostname);
-            cupsdRenamePrinter(p, newname);
-
-           cupsdAddEvent(CUPSD_EVENT_PRINTER_ADDED, p, NULL,
-                         "Printer \'%s\' added by directory services.",
-                         p->name);
-         }
+       /*
+       * Short name exists but is for a different host.  If this is a remote
+       * queue, rename it and use the long name...
+       */
 
-          p = NULL;
-       }
-       else if (!p->hostname)
+       if (p->type & CUPS_PRINTER_REMOTE)
        {
-        /*
-         * Hostname not set, so this must be a cached remote printer
-         * that was created for a pending print job...
-         */
+         cupsdLogMessage(CUPSD_LOG_DEBUG,
+                         "Renamed remote %s \"%s\" to \"%s@%s\"...",
+                         is_class ? "class" : "printer", p->name, p->name,
+                         p->hostname);
+         cupsdAddEvent(CUPSD_EVENT_PRINTER_DELETED, p, NULL,
+                       "%s \'%s\' deleted by directory services.",
+                       is_class ? "Class" : "Printer", p->name);
+
+         snprintf(newname, sizeof(newname), "%s@%s", p->name, p->hostname);
+         cupsdRenamePrinter(p, newname);
+
+         cupsdAddEvent(CUPSD_EVENT_PRINTER_ADDED, p, NULL,
+                       "%s \'%s\' added by directory services.",
+                       is_class ? "Class" : "Printer", p->name);
+       }
 
-          cupsdSetString(&p->hostname, host);
-         cupsdSetString(&p->uri, uri);
-         cupsdSetString(&p->device_uri, uri);
-          update = 1;
-        }
-      }
-      else
-      {
        /*
-        * Use the short name for this shared printer.
+        * Force creation with long name...
        */
 
-        strlcpy(name, resource + 10, sizeof(name));
+       p = NULL;
       }
     }
-    else if (p && !p->hostname)
-    {
-     /*
-      * Hostname not set, so this must be a cached remote printer
-      * that was created for a pending print job...
-      */
+  }
+  else if (p)
+    cupsdLogMessage(CUPSD_LOG_DEBUG2,
+                   "process_browse_data: %s found, type=%x, hostname=%s...",
+                   name, p->type, p->hostname ? p->hostname : "(nil)");
 
-      cupsdSetString(&p->hostname, host);
-      cupsdSetString(&p->uri, uri);
-      cupsdSetString(&p->device_uri, uri);
-      update = 1;
-    }
+  if (!p)
+  {
+   /*
+    * Queue doesn't exist; add it...
+    */
+
+    if (is_class)
+      p = cupsdAddClass(name);
+    else
+      p = cupsdAddPrinter(name);
 
     if (!p)
-    {
-     /*
-      * Printer doesn't exist; add it...
-      */
+      return;
 
-      p = cupsdAddPrinter(name);
+    cupsdClearString(&(p->hostname));
 
-      cupsdAddEvent(CUPSD_EVENT_PRINTER_ADDED, p, NULL,
-                    "Printer \'%s\' added by directory services.", name);
+    cupsdLogMessage(CUPSD_LOG_DEBUG, "Added remote %s \"%s\"...",
+                    is_class ? "class" : "printer", name);
 
-      cupsdLogMessage(CUPSD_LOG_DEBUG, "Added remote printer \"%s\"...", name);
+    cupsdAddEvent(CUPSD_EVENT_PRINTER_ADDED, p, NULL,
+                 "%s \'%s\' added by directory services.",
+                 is_class ? "Class" : "Printer", name);
 
-     /*
-      * Force the URI to point to the real server...
-      */
+   /*
+    * Force the URI to point to the real server...
+    */
 
-      p->type      = type & ~CUPS_PRINTER_REJECTING;
-      p->accepting = 1;
-      cupsdSetString(&p->hostname, host);
-      cupsdSetString(&p->uri, uri);
-      cupsdSetString(&p->device_uri, uri);
+    p->type      = type & ~CUPS_PRINTER_REJECTING;
+    p->accepting = 1;
 
-      update = 1;
+    cupsdMarkDirty(CUPSD_DIRTY_PRINTCAP);
+  }
 
-      cupsdMarkDirty(CUPSD_DIRTY_PRINTCAP | CUPSD_DIRTY_REMOTE);
-    }
+  if (!p->hostname)
+  {
+   /*
+    * Hostname not set, so this must be a cached remote printer
+    * that was created for a pending print job...
+    */
+
+    cupsdSetString(&p->hostname, host);
+    cupsdSetString(&p->uri, uri);
+    cupsdSetString(&p->device_uri, uri);
+    update = 1;
+
+    cupsdMarkDirty(CUPSD_DIRTY_REMOTE);
   }
 
  /*
@@ -2820,7 +3461,7 @@ process_browse_data(
 
   if (!make_model || !make_model[0])
   {
-    if (type & CUPS_PRINTER_CLASS)
+    if (is_class)
       snprintf(local_make_model, sizeof(local_make_model),
                "Remote Class on %s", host);
     else
@@ -2874,7 +3515,7 @@ process_browse_data(
   {
     cupsdAddEvent(CUPSD_EVENT_PRINTER_DELETED, p, NULL,
                   "%s \'%s\' deleted by directory services.",
-                 (type & CUPS_PRINTER_CLASS) ? "Class" : "Printer", p->name);
+                 is_class ? "Class" : "Printer", p->name);
 
     cupsdExpireSubscriptions(p, NULL);
  
@@ -3051,6 +3692,18 @@ process_implicit_classes(void)
       else
        len = strlen(p->name);
 
+      if (len >= sizeof(name))
+      {
+       /*
+       * If the printer name length somehow is greater than we normally allow,
+       * skip this printer...
+       */
+
+       len = 0;
+       cupsArrayRestore(Printers);
+       continue;
+      }
+
       strncpy(name, p->name, len);
       name[len] = '\0';
       offset    = 0;
@@ -3119,8 +3772,9 @@ send_cups_browse(cupsd_printer_t *p)      /* I - Printer to send */
                        uri[1024],      /* Printer URI */
                        location[1024], /* printer-location */
                        info[1024],     /* printer-info */
-                       make_model[1024];
+                       make_model[1024],
                                        /* printer-make-and-model */
+                       air[1024];      /* auth-info-required */
   cupsd_netif_t                *iface;         /* Network interface */
 
 
@@ -3158,6 +3812,11 @@ send_cups_browse(cupsd_printer_t *p)     /* I - Printer to send */
   else
     strlcpy(make_model, "Local System V Printer", sizeof(make_model));
 
+  if (get_auth_info_required(p, packet, sizeof(packet)))
+    snprintf(air, sizeof(air), " auth-info-required=%s", packet);
+  else
+    air[0] = '\0';
+
  /*
   * Send a packet to each browse address...
   */
@@ -3189,110 +3848,448 @@ send_cups_browse(cupsd_printer_t *p)  /* I - Printer to send */
              iface->address.addr.sa_family != AF_INET)
            continue;
 
-         httpAssembleURIf(HTTP_URI_CODING_ALL, uri, sizeof(uri), "ipp", NULL,
-                          iface->hostname, iface->port,
-                          (p->type & CUPS_PRINTER_CLASS) ? "/classes/%s" :
-                                                           "/printers/%s",
-                          p->name);
-         snprintf(packet, sizeof(packet), "%x %x %s \"%s\" \"%s\" \"%s\" %s\n",
-                  type, p->state, uri, location, info, make_model,
-                  p->browse_attrs ? p->browse_attrs : "");
+         httpAssembleURIf(HTTP_URI_CODING_ALL, uri, sizeof(uri), "ipp", NULL,
+                          iface->hostname, iface->port,
+                          (p->type & CUPS_PRINTER_CLASS) ? "/classes/%s" :
+                                                           "/printers/%s",
+                          p->name);
+         snprintf(packet, sizeof(packet), "%x %x %s \"%s\" \"%s\" \"%s\" %s%s\n",
+                  type, p->state, uri, location, info, make_model,
+                  p->browse_attrs ? p->browse_attrs : "", air);
+
+         bytes = strlen(packet);
+
+         cupsdLogMessage(CUPSD_LOG_DEBUG2,
+                         "cupsdSendBrowseList: (%d bytes to \"%s\") %s", bytes,
+                         iface->name, packet);
+
+          iface->broadcast.ipv4.sin_port = htons(BrowsePort);
+
+         sendto(BrowseSocket, packet, bytes, 0,
+                (struct sockaddr *)&(iface->broadcast),
+                httpAddrLength(&(iface->broadcast)));
+        }
+      }
+      else if ((iface = cupsdNetIFFind(b->iface)) != NULL)
+      {
+       /*
+        * Send to the named interface using the IPv4 address...
+       */
+
+        while (iface)
+         if (strcmp(b->iface, iface->name))
+         {
+           iface = NULL;
+           break;
+         }
+         else if (iface->address.addr.sa_family == AF_INET && iface->port)
+           break;
+         else
+            iface = (cupsd_netif_t *)cupsArrayNext(NetIFList);
+
+        if (iface)
+       {
+         httpAssembleURIf(HTTP_URI_CODING_ALL, uri, sizeof(uri), "ipp", NULL,
+                          iface->hostname, iface->port,
+                          (p->type & CUPS_PRINTER_CLASS) ? "/classes/%s" :
+                                                           "/printers/%s",
+                          p->name);
+         snprintf(packet, sizeof(packet),
+                  "%x %x %s \"%s\" \"%s\" \"%s\" %s%s\n",
+                  type, p->state, uri, location, info, make_model,
+                  p->browse_attrs ? p->browse_attrs : "", air);
+
+         bytes = strlen(packet);
+
+         cupsdLogMessage(CUPSD_LOG_DEBUG2,
+                         "cupsdSendBrowseList: (%d bytes to \"%s\") %s", bytes,
+                         iface->name, packet);
+
+          iface->broadcast.ipv4.sin_port = htons(BrowsePort);
+
+         sendto(BrowseSocket, packet, bytes, 0,
+                (struct sockaddr *)&(iface->broadcast),
+                httpAddrLength(&(iface->broadcast)));
+        }
+      }
+    }
+    else
+    {
+     /*
+      * Send the browse packet to the indicated address using
+      * the default server name...
+      */
+
+      snprintf(packet, sizeof(packet), "%x %x %s \"%s\" \"%s\" \"%s\" %s%s\n",
+                      type, p->state, p->uri, location, info, make_model,
+              p->browse_attrs ? p->browse_attrs : "", air);
+
+      bytes = strlen(packet);
+      cupsdLogMessage(CUPSD_LOG_DEBUG2,
+                      "cupsdSendBrowseList: (%d bytes) %s", bytes, packet);
+
+      if (sendto(BrowseSocket, packet, bytes, 0,
+                (struct sockaddr *)&(b->to),
+                httpAddrLength(&(b->to))) <= 0)
+      {
+       /*
+        * Unable to send browse packet, so remove this address from the
+       * list...
+       */
+
+       cupsdLogMessage(CUPSD_LOG_ERROR,
+                       "cupsdSendBrowseList: sendto failed for browser "
+                       "%d - %s.",
+                       (int)(b - Browsers + 1), strerror(errno));
+
+        if (i > 1)
+         memmove(b, b + 1, (i - 1) * sizeof(cupsd_dirsvc_addr_t));
+
+       b --;
+       NumBrowsers --;
+      }
+    }
+}
+
+
+#ifdef HAVE_LDAP
+/*
+ * 'ldap_search_rec()' - LDAP Search with reconnect
+ */
+
+static int                             /* O - Return code */
+ldap_search_rec(LDAP        *ld,       /* I - LDAP handler */
+                char        *base,     /* I - Base dn */
+                int         scope,     /* I - LDAP search scope */
+                char        *filter,   /* I - Filter string */
+                char        *attrs[],  /* I - Requested attributes */
+                int         attrsonly, /* I - Return only attributes? */
+                LDAPMessage **res)     /* I - LDAP handler */
+{
+  int  rc;                             /* Return code */
+  LDAP  *ldr;                          /* LDAP handler after reconnect */
+
+
+#  if defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000
+  rc = ldap_search_ext_s(ld, base, scope, filter, attrs, attrsonly, NULL, NULL,
+                         NULL, LDAP_NO_LIMIT, res);
+#  else
+  rc = ldap_search_s(ld, base, scope, filter, attrs, attrsonly, res);
+#  endif /* defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000 */
+
+ /*
+  * If we have a connection problem try again...
+  */
+
+  if (rc == LDAP_SERVER_DOWN || rc == LDAP_CONNECT_ERROR)
+  {
+    cupsdLogMessage(CUPSD_LOG_ERROR,
+                    "LDAP search failed with status %d: %s",
+                     rc, ldap_err2string(rc));
+    cupsdLogMessage(CUPSD_LOG_INFO,
+                    "We try the LDAP search once again after reconnecting to "
+                   "the server");
+    ldap_freeres(*res);
+    ldr = ldap_reconnect();
+
+#  if defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000
+    rc = ldap_search_ext_s(ldr, base, scope, filter, attrs, attrsonly, NULL,
+                           NULL, NULL, LDAP_NO_LIMIT, res);
+#  else
+    rc = ldap_search_s(ldr, base, scope, filter, attrs, attrsonly, res);
+#  endif /* defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000 */
+  }
+
+  if (rc == LDAP_NO_SUCH_OBJECT)
+    cupsdLogMessage(CUPSD_LOG_DEBUG,
+                    "ldap_search_rec: LDAP entry/object not found");
+  else if (rc != LDAP_SUCCESS)
+    cupsdLogMessage(CUPSD_LOG_ERROR,
+                    "ldap_search_rec: LDAP search failed with status %d: %s",
+                     rc, ldap_err2string(rc));
+
+  if (rc != LDAP_SUCCESS)
+    ldap_freeres(*res);
+
+  return (rc);
+}
+
+
+/*
+ * 'ldap_freeres()' - Free LDAPMessage
+ */
+
+static void
+ldap_freeres(LDAPMessage *entry)       /* I - LDAP handler */
+{
+  int  rc;                             /* Return value */
+
+
+  rc = ldap_msgfree(entry);
+  if (rc == -1)
+    cupsdLogMessage(CUPSD_LOG_WARN, "Can't free LDAPMessage!");
+  else if (rc == 0)
+    cupsdLogMessage(CUPSD_LOG_DEBUG2, "Freeing LDAPMessage was unnecessary");
+}
+
+
+/*
+ * 'ldap_getval_char()' - Get first LDAP value and convert to string
+ */
+
+static int                             /* O - Return code */
+ldap_getval_firststring(
+    LDAP          *ld,                 /* I - LDAP handler */
+    LDAPMessage   *entry,              /* I - LDAP message or search result */
+    char          *attr,               /* I - the wanted attribute  */
+    char          *retval,             /* O - String to return */
+    unsigned long maxsize)             /* I - Max string size */
+{
+  char                 *dn;            /* LDAP DN */
+  int                  rc = 0;         /* Return code */
+#  if defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000
+  struct berval                **bval;         /* LDAP value array */
+  unsigned long                size;           /* String size */
+
+
+ /*
+  * Get value from LDAPMessage...
+  */
+
+  if ((bval = ldap_get_values_len(ld, entry, attr)) == NULL)
+  {
+    rc = -1;
+    dn = ldap_get_dn(ld, entry);
+    cupsdLogMessage(CUPSD_LOG_WARN,
+                    "Failed to get LDAP value %s for %s!",
+                    attr, dn);
+    ldap_memfree(dn);
+  }
+  else
+  {
+   /*
+    * Check size and copy value into our string...
+    */
+
+    size = maxsize;
+    if (size < (bval[0]->bv_len + 1))
+    {
+      rc = -1;
+      dn = ldap_get_dn(ld, entry);
+      cupsdLogMessage(CUPSD_LOG_WARN,
+                      "Attribute %s is too big! (dn: %s)",
+                      attr, dn);
+      ldap_memfree(dn);
+    }
+    else
+      size = bval[0]->bv_len + 1;
+
+    strlcpy(retval, bval[0]->bv_val, size);
+    ldap_value_free_len(bval);
+  }
+#  else
+  char **value;                        /* LDAP value */
+
+ /*
+  * Get value from LDAPMessage...
+  */
+
+  if ((value = (char **)ldap_get_values(ld, entry, attr)) == NULL)
+  {
+    rc = -1;
+    dn = ldap_get_dn(ld, entry);
+    cupsdLogMessage(CUPSD_LOG_WARN, "Failed to get LDAP value %s for %s!",
+                    attr, dn);
+    ldap_memfree(dn);
+  }
+  else
+  {
+    strlcpy(retval, *value, maxsize);
+    ldap_value_free(value);
+  }
+#  endif /* defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000 */
+
+  return (rc);
+}
+
+
+/*
+ * 'send_ldap_ou()' - Send LDAP ou registrations.
+ */
+
+static void
+send_ldap_ou(char *ou,                 /* I - Servername/ou to register */
+             char *basedn,             /* I - Our base dn */
+             char *descstring)         /* I - Description for ou */
+{
+  int           i;                      /* Looping var... */
+  LDAPMod       mods[3];                /* The 3 attributes we will be adding */
+  LDAPMod       *pmods[4];              /* Pointers to the 3 attributes + NULL */
+  LDAPMessage   *res,                   /* Search result token */
+               *e;                     /* Current entry from search */
+  int           rc;                     /* LDAP status */
+  int           rcmod;                  /* LDAP status for modifications */
+  char          dn[1024],               /* DN of the organizational unit we are adding */
+                *desc[2],               /* Change records */
+                *ou_value[2];
+  char         old_desc[1024];         /* Old description */
+  static const char * const objectClass_values[] =
+               {                       /* The 2 objectClass's we use in */
+                 "top",                /* our LDAP entries              */
+                 "organizationalUnit",
+                 NULL
+               };
+  static const char * const ou_attrs[] =/* CUPS LDAP attributes */
+               {
+                 "description",
+                 NULL
+               };
+
+
+  cupsdLogMessage(CUPSD_LOG_DEBUG2, "send_ldap_ou: %s", ou);
+
+ /*
+  * Reconnect if LDAP Handle is invalid...
+  */
+
+  if (!BrowseLDAPHandle)
+  {
+    cupsdLogMessage(CUPSD_LOG_DEBUG2,
+                    "send_ldap_ou: LDAP Handle is invalid. Try reconnecting...");
+    ldap_reconnect();
+    return;
+  }
+
+ /*
+  * Prepare ldap search...
+  */
+
+  snprintf(dn, sizeof(dn), "ou=%s, %s", ou, basedn);
+  cupsdLogMessage(CUPSD_LOG_DEBUG2, "send_ldap_ou: dn=\"%s\"", dn);
+
+  ou_value[0] = ou;
+  ou_value[1] = NULL;
+  desc[0]     = descstring;
+  desc[1]     = NULL;
+  
+  mods[0].mod_type   = "ou";
+  mods[0].mod_values = ou_value;
+  mods[1].mod_type   = "description";
+  mods[1].mod_values = desc;
+  mods[2].mod_type   = "objectClass";
+  mods[2].mod_values = (char **)objectClass_values;
 
-         bytes = strlen(packet);
+  rc = ldap_search_rec(BrowseLDAPHandle, dn, LDAP_SCOPE_BASE, NULL,
+                       (char **)ou_attrs, 0, &res);
 
-         cupsdLogMessage(CUPSD_LOG_DEBUG2,
-                         "cupsdSendBrowseList: (%d bytes to \"%s\") %s", bytes,
-                         iface->name, packet);
+ /*
+  * If ldap search was not successfull then exit function...
+  */
 
-          iface->broadcast.ipv4.sin_port = htons(BrowsePort);
+  if (rc != LDAP_SUCCESS && rc != LDAP_NO_SUCH_OBJECT)
+    return;
 
-         sendto(BrowseSocket, packet, bytes, 0,
-                (struct sockaddr *)&(iface->broadcast),
-                httpAddrLength(&(iface->broadcast)));
-        }
-      }
-      else if ((iface = cupsdNetIFFind(b->iface)) != NULL)
-      {
-       /*
-        * Send to the named interface using the IPv4 address...
-       */
+ /*
+  * Check if we need to insert or update the LDAP entry...
+  */
 
-        while (iface)
-         if (strcmp(b->iface, iface->name))
-         {
-           iface = NULL;
-           break;
-         }
-         else if (iface->address.addr.sa_family == AF_INET && iface->port)
-           break;
-         else
-            iface = (cupsd_netif_t *)cupsArrayNext(NetIFList);
+  if (ldap_count_entries(BrowseLDAPHandle, res) > 0 &&
+      rc != LDAP_NO_SUCH_OBJECT)
+  {
+   /*
+    * Printserver has already been registered, check if
+    * modification is required...
+    */
 
-        if (iface)
-       {
-         httpAssembleURIf(HTTP_URI_CODING_ALL, uri, sizeof(uri), "ipp", NULL,
-                          iface->hostname, iface->port,
-                          (p->type & CUPS_PRINTER_CLASS) ? "/classes/%s" :
-                                                           "/printers/%s",
-                          p->name);
-         snprintf(packet, sizeof(packet), "%x %x %s \"%s\" \"%s\" \"%s\" %s\n",
-                  type, p->state, uri, location, info, make_model,
-                  p->browse_attrs ? p->browse_attrs : "");
+    e = ldap_first_entry(BrowseLDAPHandle, res);
 
-         bytes = strlen(packet);
+   /*
+    * Get the required values from this entry...
+    */
 
-         cupsdLogMessage(CUPSD_LOG_DEBUG2,
-                         "cupsdSendBrowseList: (%d bytes to \"%s\") %s", bytes,
-                         iface->name, packet);
+    if (ldap_getval_firststring(BrowseLDAPHandle, e, "description", old_desc,
+                                sizeof(old_desc)) == -1)
+      old_desc[0] = '\0';
 
-          iface->broadcast.ipv4.sin_port = htons(BrowsePort);
+   /*
+    * Check if modification is required...
+    */
 
-         sendto(BrowseSocket, packet, bytes, 0,
-                (struct sockaddr *)&(iface->broadcast),
-                httpAddrLength(&(iface->broadcast)));
-        }
-      }
-    }
-    else
+    if ( strcmp(desc[0], old_desc) == 0 )
     {
      /*
-      * Send the browse packet to the indicated address using
-      * the default server name...
+      * LDAP entry for the printer exists.
+      * Printer has already been registered,
+      * no modifications required...
       */
+      cupsdLogMessage(CUPSD_LOG_DEBUG2,
+                      "send_ldap_ou: No updates required for %s", ou);
+    }
+    else
+    {
 
-      snprintf(packet, sizeof(packet), "%x %x %s \"%s\" \"%s\" \"%s\" %s\n",
-                      type, p->state, p->uri, location, info, make_model,
-              p->browse_attrs ? p->browse_attrs : "");
-
-      bytes = strlen(packet);
       cupsdLogMessage(CUPSD_LOG_DEBUG2,
-                      "cupsdSendBrowseList: (%d bytes) %s", bytes, packet);
+                      "send_ldap_ou: Replace entry for %s", ou);
 
-      if (sendto(BrowseSocket, packet, bytes, 0,
-                (struct sockaddr *)&(b->to),
-                httpAddrLength(&(b->to))) <= 0)
+      for (i = 0; i < 3; i ++)
       {
-       /*
-        * Unable to send browse packet, so remove this address from the
-       * list...
-       */
+        pmods[i]         = mods + i;
+        pmods[i]->mod_op = LDAP_MOD_REPLACE;
+      }
+      pmods[i] = NULL;
+
+#  if defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000
+      if ((rcmod = ldap_modify_ext_s(BrowseLDAPHandle, dn, pmods, NULL,
+                                     NULL)) != LDAP_SUCCESS)
+#  else
+      if ((rcmod = ldap_modify_s(BrowseLDAPHandle, dn, pmods)) != LDAP_SUCCESS)
+#  endif /* defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000 */
+      {
+        cupsdLogMessage(CUPSD_LOG_ERROR,
+                        "LDAP modify for %s failed with status %d: %s",
+                        ou, rcmod, ldap_err2string(rcmod));
+        if (rcmod == LDAP_SERVER_DOWN)
+          ldap_reconnect();
+      }
+    }
+  }
+  else
+  {
+   /*
+    * Printserver has never been registered,
+    * add registration...
+    */
 
-       cupsdLogMessage(CUPSD_LOG_ERROR,
-                       "cupsdSendBrowseList: sendto failed for browser "
-                       "%d - %s.",
-                       (int)(b - Browsers + 1), strerror(errno));
+    cupsdLogMessage(CUPSD_LOG_DEBUG2,
+                    "send_ldap_ou: Add entry for %s", ou);
 
-        if (i > 1)
-         memmove(b, b + 1, (i - 1) * sizeof(cupsd_dirsvc_addr_t));
+    for (i = 0; i < 3; i ++)
+    {
+      pmods[i]         = mods + i;
+      pmods[i]->mod_op = LDAP_MOD_ADD;
+    }
+    pmods[i] = NULL;
 
-       b --;
-       NumBrowsers --;
-      }
+#  if defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000
+    if ((rcmod = ldap_add_ext_s(BrowseLDAPHandle, dn, pmods, NULL,
+                                NULL)) != LDAP_SUCCESS)
+#  else
+    if ((rcmod = ldap_add_s(BrowseLDAPHandle, dn, pmods)) != LDAP_SUCCESS)
+#  endif /* defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000 */
+    {
+      cupsdLogMessage(CUPSD_LOG_ERROR,
+                      "LDAP add for %s failed with status %d: %s",
+                      ou, rcmod, ldap_err2string(rcmod));
+      if (rcmod == LDAP_SERVER_DOWN)
+        ldap_reconnect();
     }
+  }
+
+  if (rc == LDAP_SUCCESS)
+    ldap_freeres(res);
 }
 
 
-#ifdef HAVE_OPENLDAP
 /*
  * 'send_ldap_browse()' - Send LDAP printer registrations.
  */
@@ -3303,7 +4300,8 @@ send_ldap_browse(cupsd_printer_t *p)      /* I - Printer to register */
   int          i;                      /* Looping var... */
   LDAPMod      mods[7];                /* The 7 attributes we will be adding */
   LDAPMod      *pmods[8];              /* Pointers to the 7 attributes + NULL */
-  LDAPMessage  *res;                   /* Search result token */
+  LDAPMessage  *res,                   /* Search result token */
+               *e;                     /* Current entry from search */
   char         *cn_value[2],           /* Change records */
                *uri[2],
                *info[2],
@@ -3311,9 +4309,15 @@ send_ldap_browse(cupsd_printer_t *p)     /* I - Printer to register */
                *make_model[2],
                *type[2],
                typestring[255],        /* String to hold printer-type */
-               filter[256],            /* Search filter for possible UPDATEs */
                dn[1024];               /* DN of the printer we are adding */
   int          rc;                     /* LDAP status */
+  int          rcmod;                  /* LDAP status for modifications */
+  char         old_uri[HTTP_MAX_URI],  /* Printer URI */
+               old_location[1024],     /* Printer location */
+               old_info[1024],         /* Printer information */
+               old_make_model[1024],   /* Printer make and model */
+               old_type_string[30];    /* Temporary type number */
+  int          old_type;               /* Printer type */
   static const char * const objectClass_values[] =
                {                       /* The 3 objectClass's we use in */
                  "top",                /* our LDAP entries              */
@@ -3322,7 +4326,33 @@ send_ldap_browse(cupsd_printer_t *p)     /* I - Printer to register */
                  NULL
                };
 
-  cupsdLogMessage(CUPSD_LOG_DEBUG2, "send_ldap_browse: %s\n", p->name);
+
+  cupsdLogMessage(CUPSD_LOG_DEBUG2, "send_ldap_browse: %s", p->name);
+
+ /*
+  * Exit function if LDAP updates has been disabled...
+  */
+
+  if (!BrowseLDAPUpdate)
+  {
+    cupsdLogMessage(CUPSD_LOG_DEBUG2,
+                    "send_ldap_browse: Updates temporary disabled; "
+                   "skipping...");
+    return;
+  }
+
+ /*
+  * Reconnect if LDAP Handle is invalid...
+  */
+
+  if (!BrowseLDAPHandle)
+  {
+    cupsdLogMessage(CUPSD_LOG_DEBUG2,
+                    "send_ldap_browse: LDAP Handle is invalid. Try "
+                   "reconnecting...");
+    ldap_reconnect();
+    return;
+  }
 
  /*
   * Everything in ldap is ** so we fudge around it...
@@ -3343,63 +4373,153 @@ send_ldap_browse(cupsd_printer_t *p)   /* I - Printer to register */
   uri[0]        = p->uri;
   uri[1]        = NULL;
 
-  snprintf(filter, sizeof(filter),
-           "(&(objectclass=cupsPrinter)(printerURI=%s))", p->uri);
+ /*
+  * Get ldap entry for printer ...
+  */
+
+  snprintf(dn, sizeof(dn), "cn=%s, ou=%s, %s", p->name, ServerName,
+           BrowseLDAPDN);
+  cupsdLogMessage(CUPSD_LOG_DEBUG2, "send_ldap_browse: dn=\"%s\"", dn);
+
+  rc = ldap_search_rec(BrowseLDAPHandle, dn, LDAP_SCOPE_BASE, NULL,
+                       (char **)ldap_attrs, 0, &res);
+
+ /*
+  * If ldap search was not successfull then exit function
+  * and temporary disable LDAP updates...
+  */
 
-  ldap_search_s(BrowseLDAPHandle, BrowseLDAPDN, LDAP_SCOPE_SUBTREE,
-                filter, (char **)ldap_attrs, 0, &res);
-  cupsdLogMessage(CUPSD_LOG_DEBUG2, "send_ldap_browse: Searching \"%s\"",
-                  filter);
+  if (rc != LDAP_SUCCESS && rc != LDAP_NO_SUCH_OBJECT)
+  {
+    if (BrowseLDAPUpdate &&
+        (rc == LDAP_SERVER_DOWN || rc == LDAP_CONNECT_ERROR))
+    {
+      BrowseLDAPUpdate = FALSE;
+      cupsdLogMessage(CUPSD_LOG_INFO,
+                      "LDAP update temporary disabled");
+    }
+
+    return;
+  }
+
+ /*
+  * Fill modification array...
+  */
 
-  mods[0].mod_type = "cn";
+  mods[0].mod_type   = "cn";
   mods[0].mod_values = cn_value;
-  mods[1].mod_type = "printerDescription";
+  mods[1].mod_type   = "printerDescription";
   mods[1].mod_values = info;
-  mods[2].mod_type = "printerURI";
+  mods[2].mod_type   = "printerURI";
   mods[2].mod_values = uri;
-  mods[3].mod_type = "printerLocation";
+  mods[3].mod_type   = "printerLocation";
   mods[3].mod_values = location;
-  mods[4].mod_type = "printerMakeAndModel";
+  mods[4].mod_type   = "printerMakeAndModel";
   mods[4].mod_values = make_model;
-  mods[5].mod_type = "printerType";
+  mods[5].mod_type   = "printerType";
   mods[5].mod_values = type;
-  mods[6].mod_type = "objectClass";
+  mods[6].mod_type   = "objectClass";
   mods[6].mod_values = (char **)objectClass_values;
 
-  snprintf(dn, sizeof(dn), "cn=%s,ou=printers,%s", p->name, BrowseLDAPDN);
-  cupsdLogMessage(CUPSD_LOG_DEBUG2, "send_ldap_browse: dn=\"%s\"", dn);
+ /*
+  * Check if we need to insert or update the LDAP entry...
+  */
 
-  if (ldap_count_entries(BrowseLDAPHandle, res) > 0)
+  if (ldap_count_entries(BrowseLDAPHandle, res) > 0 &&
+      rc != LDAP_NO_SUCH_OBJECT)
   {
    /*
-    * Printer has already been registered, modify the current
-    * registration...
+    * Printer has already been registered, check if
+    * modification is required...
     */
 
-    cupsdLogMessage(CUPSD_LOG_DEBUG2,
-                    "send_ldap_browse: Replacing entry...");
+    e = ldap_first_entry(BrowseLDAPHandle, res);
 
-    for (i = 0; i < 7; i ++)
+   /*
+    * Get the required values from this entry...
+    */
+
+    if (ldap_getval_firststring(BrowseLDAPHandle, e, "printerDescription",
+                                old_info, sizeof(old_info)) == -1)
+      old_info[0] = '\0';
+
+    if (ldap_getval_firststring(BrowseLDAPHandle, e, "printerLocation",
+                                old_location, sizeof(old_location)) == -1)
+      old_info[0] = '\0';
+
+    if (ldap_getval_firststring(BrowseLDAPHandle, e, "printerMakeAndModel",
+                                old_make_model, sizeof(old_make_model)) == -1)
+      old_info[0] = '\0';
+
+    if (ldap_getval_firststring(BrowseLDAPHandle, e, "printerType",
+                                old_type_string, sizeof(old_type_string)) == -1)
+      old_info[0] = '\0';
+
+    old_type = atoi(old_type_string);
+
+    if (ldap_getval_firststring(BrowseLDAPHandle, e, "printerURI", old_uri,
+                                sizeof(old_uri)) == -1)
+      old_info[0] = '\0';
+
+   /*
+    * Check if modification is required...
+    */
+
+    if (!strcmp(info[0], old_info) && !strcmp(uri[0], old_uri) &&
+        !strcmp(location[0], old_location) &&
+       !strcmp(make_model[0], old_make_model) && p->type == old_type)
     {
-      pmods[i]         = mods + i;
-      pmods[i]->mod_op = LDAP_MOD_REPLACE;
+     /*
+      * LDAP entry for the printer exists. Printer has already been registered,
+      * no modifications required...
+      */
+
+      cupsdLogMessage(CUPSD_LOG_DEBUG2,
+                       "send_ldap_browse: No updates required for %s", p->name);
     }
-    pmods[i] = NULL;
+    else
+    {
+     /*
+      * LDAP entry for the printer exists.  Printer has already been registered,
+      * modify the current registration...
+      */
 
-    if ((rc = ldap_modify_s(BrowseLDAPHandle, dn, pmods)) != LDAP_SUCCESS)
-      cupsdLogMessage(CUPSD_LOG_ERROR,
-                      "LDAP modify for %s failed with status %d: %s",
-                      p->name, rc, ldap_err2string(rc));
+      cupsdLogMessage(CUPSD_LOG_DEBUG2,
+                      "send_ldap_browse: Replace entry for %s", p->name);
+
+      for (i = 0; i < 7; i ++)
+      {
+        pmods[i]         = mods + i;
+        pmods[i]->mod_op = LDAP_MOD_REPLACE;
+      }
+      pmods[i] = NULL;
+
+#  if defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000
+      if ((rcmod = ldap_modify_ext_s(BrowseLDAPHandle, dn, pmods, NULL,
+                                     NULL)) != LDAP_SUCCESS)
+#  else
+      if ((rcmod = ldap_modify_s(BrowseLDAPHandle, dn, pmods)) != LDAP_SUCCESS)
+#  endif /* defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000 */
+      {
+        cupsdLogMessage(CUPSD_LOG_ERROR,
+                        "LDAP modify for %s failed with status %d: %s",
+                        p->name, rcmod, ldap_err2string(rcmod));
+        if (rcmod == LDAP_SERVER_DOWN)
+          ldap_reconnect();
+      }
+    }
   }
   else 
   {
    /*
-    * Printer has never been registered, add the current
-    * registration...
+    * No LDAP entry exists for the printer.  Printer has never been registered,
+    * add the current registration...
     */
 
+    send_ldap_ou(ServerName, BrowseLDAPDN, "CUPS Server");
+
     cupsdLogMessage(CUPSD_LOG_DEBUG2,
-                    "send_ldap_browse: Adding entry...");
+                    "send_ldap_browse: Add entry for %s", p->name);
 
     for (i = 0; i < 7; i ++)
     {
@@ -3408,13 +4528,159 @@ send_ldap_browse(cupsd_printer_t *p)   /* I - Printer to register */
     }
     pmods[i] = NULL;
 
-    if ((rc = ldap_add_s(BrowseLDAPHandle, dn, pmods)) != LDAP_SUCCESS)
+#  if defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000
+    if ((rcmod = ldap_add_ext_s(BrowseLDAPHandle, dn, pmods, NULL,
+                                NULL)) != LDAP_SUCCESS)
+#  else
+    if ((rcmod = ldap_add_s(BrowseLDAPHandle, dn, pmods)) != LDAP_SUCCESS)
+#  endif /* defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000 */
+    {
       cupsdLogMessage(CUPSD_LOG_ERROR,
                       "LDAP add for %s failed with status %d: %s",
-                      p->name, rc, ldap_err2string(rc));
+                      p->name, rcmod, ldap_err2string(rcmod));
+      if (rcmod == LDAP_SERVER_DOWN)
+        ldap_reconnect();
+    }
   }
+
+  if (rc == LDAP_SUCCESS)
+    ldap_freeres(res);
 }
-#endif /* HAVE_OPENLDAP */
+
+
+/*
+ * 'ldap_dereg_printer()' - Delete printer from directory
+ */
+
+static void
+ldap_dereg_printer(cupsd_printer_t *p) /* I - Printer to deregister */
+{
+  char         dn[1024];               /* DN of the printer */
+  int          rc;                     /* LDAP status */
+
+
+  cupsdLogMessage(CUPSD_LOG_DEBUG2, "ldap_dereg_printer: Remove entry for %s",
+                  p->name);
+
+ /*
+  * Reconnect if LDAP Handle is invalid...
+  */
+
+  if (!BrowseLDAPHandle)
+  {
+    ldap_reconnect();
+    return;
+  }
+
+ /*
+  * Get dn for printer and delete LDAP entry...
+  */
+
+  snprintf(dn, sizeof(dn), "cn=%s, ou=%s, %s", p->name, ServerName,
+           BrowseLDAPDN);
+  cupsdLogMessage(CUPSD_LOG_DEBUG2, "ldap_dereg_printer: dn=\"%s\"", dn);
+
+#  if defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000
+  if ((rc = ldap_delete_ext_s(BrowseLDAPHandle, dn, NULL,
+                              NULL)) != LDAP_SUCCESS)
+#  else
+  if ((rc = ldap_delete_s(BrowseLDAPHandle, dn)) != LDAP_SUCCESS)
+#  endif /* defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000 */
+  {
+    cupsdLogMessage(CUPSD_LOG_WARN,
+                    "LDAP delete for %s failed with status %d: %s",
+                    p->name, rc, ldap_err2string(rc));
+
+   /*
+    * If we had a connection problem (connection timed out, etc.)
+    * we should reconnect and try again to delete the entry...
+    */
+
+    if (rc == LDAP_SERVER_DOWN || rc == LDAP_CONNECT_ERROR)
+    {
+      cupsdLogMessage(CUPSD_LOG_INFO,
+                      "Retry deleting LDAP entry for %s after a reconnect...", p->name);
+      ldap_reconnect();
+
+#  if defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000
+      if ((rc = ldap_delete_ext_s(BrowseLDAPHandle, dn, NULL,
+                                  NULL)) != LDAP_SUCCESS)
+#  else
+      if ((rc = ldap_delete_s(BrowseLDAPHandle, dn)) != LDAP_SUCCESS)
+#  endif /* defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000 */
+        cupsdLogMessage(CUPSD_LOG_WARN,
+                        "LDAP delete for %s failed with status %d: %s",
+                        p->name, rc, ldap_err2string(rc));
+    }
+  }
+}
+
+
+/*
+ * 'ldap_dereg_ou()' - Remove the organizational unit.
+ */
+
+static void
+ldap_dereg_ou(char *ou,                        /* I - Organizational unit (servername) */
+              char *basedn)            /* I - Dase dn */
+{
+  char         dn[1024];               /* DN of the printer */
+  int          rc;                     /* LDAP status */
+
+
+  cupsdLogMessage(CUPSD_LOG_DEBUG2, "ldap_dereg_ou: Remove entry for %s", ou);
+
+ /*
+  * Reconnect if LDAP Handle is invalid...
+  */
+
+  if (!BrowseLDAPHandle)
+  {
+    ldap_reconnect();
+    return;
+  }
+
+ /*
+  * Get dn for printer and delete LDAP entry...
+  */
+
+  snprintf(dn, sizeof(dn), "ou=%s, %s", ou, basedn);
+  cupsdLogMessage(CUPSD_LOG_DEBUG2, "ldap_dereg_ou: dn=\"%s\"", dn);
+
+#  if defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000
+  if ((rc = ldap_delete_ext_s(BrowseLDAPHandle, dn, NULL,
+                              NULL)) != LDAP_SUCCESS)
+#  else
+  if ((rc = ldap_delete_s(BrowseLDAPHandle, dn)) != LDAP_SUCCESS)
+#  endif /* defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000 */
+  {
+    cupsdLogMessage(CUPSD_LOG_WARN,
+                    "LDAP delete for %s failed with status %d: %s",
+                    ou, rc, ldap_err2string(rc));
+
+   /*
+    * If we had a connection problem (connection timed out, etc.)
+    * we should reconnect and try again to delete the entry...
+    */
+
+    if (rc == LDAP_SERVER_DOWN || rc == LDAP_CONNECT_ERROR)
+    {
+      cupsdLogMessage(CUPSD_LOG_INFO,
+                      "Retry deleting LDAP entry for %s after a reconnect...", ou);
+      ldap_reconnect();
+#  if defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000
+      if ((rc = ldap_delete_ext_s(BrowseLDAPHandle, dn, NULL,
+                                  NULL)) != LDAP_SUCCESS)
+#  else
+      if ((rc = ldap_delete_s(BrowseLDAPHandle, dn)) != LDAP_SUCCESS)
+#  endif /* defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000 */
+        cupsdLogMessage(CUPSD_LOG_WARN,
+                        "LDAP delete for %s failed with status %d: %s",
+                        ou, rc, ldap_err2string(rc));
+    }
+  }
+}
+#endif /* HAVE_LDAP */
 
 
 #ifdef HAVE_LIBSLP
@@ -3930,24 +5196,20 @@ update_cups_browse(void)
        case CUPSD_AUTH_ALLOW : /* Order Deny,Allow */
             auth = CUPSD_AUTH_ALLOW;
 
-            if (cupsdCheckAuth(address, srcname, len,
-                         BrowseACL->num_deny, BrowseACL->deny))
+            if (cupsdCheckAuth(address, srcname, len, BrowseACL->deny))
              auth = CUPSD_AUTH_DENY;
 
-            if (cupsdCheckAuth(address, srcname, len,
-                         BrowseACL->num_allow, BrowseACL->allow))
+            if (cupsdCheckAuth(address, srcname, len, BrowseACL->allow))
              auth = CUPSD_AUTH_ALLOW;
            break;
 
        case CUPSD_AUTH_DENY : /* Order Allow,Deny */
             auth = CUPSD_AUTH_DENY;
 
-            if (cupsdCheckAuth(address, srcname, len,
-                         BrowseACL->num_allow, BrowseACL->allow))
+            if (cupsdCheckAuth(address, srcname, len, BrowseACL->allow))
              auth = CUPSD_AUTH_ALLOW;
 
-            if (cupsdCheckAuth(address, srcname, len,
-                         BrowseACL->num_deny, BrowseACL->deny))
+            if (cupsdCheckAuth(address, srcname, len, BrowseACL->deny))
              auth = CUPSD_AUTH_DENY;
            break;
       }
@@ -4059,7 +5321,7 @@ update_cups_browse(void)
   */
 
   for (i = 0; i < NumRelays; i ++)
-    if (cupsdCheckAuth(address, srcname, len, 1, &(Relays[i].from)))
+    if (cupsdCheckAuth(address, srcname, len, Relays[i].from))
       if (sendto(BrowseSocket, packet, bytes, 0,
                  (struct sockaddr *)&(Relays[i].to),
                 httpAddrLength(&(Relays[i].to))) <= 0)
@@ -4170,7 +5432,7 @@ update_lpd(int onoff)                     /* - 1 = turn on, 0 = turn off */
     argv[4] = NULL;
 
     cupsdStartProcess("/bin/launchctl", argv, envp, -1, -1, -1, -1, -1, 1,
-                      NULL, &pid);
+                      NULL, NULL, &pid);
   }
 #endif /* __APPLE__ */
   else
@@ -4192,8 +5454,13 @@ update_polling(void)
 
   while ((ptr = cupsdStatBufUpdate(PollStatusBuffer, &loglevel,
                                    message, sizeof(message))) != NULL)
+  {
+    if (loglevel == CUPSD_LOG_INFO)
+      cupsdLogMessage(CUPSD_LOG_INFO, "%s", message);
+
     if (!strchr(PollStatusBuffer->buffer, '\n'))
       break;
+  }
 
   if (ptr == NULL && !PollStatusBuffer->bufused)
   {
@@ -4276,5 +5543,5 @@ update_smb(int onoff)                     /* I - 1 = turn on, 0 = turn off */
 
 
 /*
- * End of "$Id: dirsvc.c 7003 2007-10-01 23:10:13Z mike $".
+ * End of "$Id: dirsvc.c 7933 2008-09-11 00:44:58Z mike $".
  */