Add BrowseIPPSOnly boolean directive and update man page

Author: abubakarsabir924-cell

man/cupsd.conf.5

@@ -68,6 +68,13 @@ The default is "dnssd" on systems that support DNS-SD and "none" otherwise.
 .br
 Specifies whether the CUPS web interface is advertised.
 The default is "No".
+.TP 5
+\fBBrowseIPPSOnly Yes\fR
+.TP 5
+\fBBrowseIPPSOnly No\fR
+.br
+Specifies whether to only advertise IPPS services.
+The default is "No".
 .\"#Browsing
 .TP 5
 \fBBrowsing Yes\fR

scheduler/conf.c

@@ -68,6 +68,7 @@ static const cupsd_var_t	cupsd_vars[] =
 {
   { "AutoPurgeJobs", 		&JobAutoPurge,		CUPSD_VARTYPE_BOOLEAN },
   { "BrowseDNSSDSubTypes",	&DNSSDSubTypes,		CUPSD_VARTYPE_NULLSTRING },
+  { "BrowseIPPSOnly",	&BrowseIPPSOnly,	CUPSD_VARTYPE_BOOLEAN },
   { "BrowseWebIF",		&BrowseWebIF,		CUPSD_VARTYPE_BOOLEAN },
   { "Browsing",			&Browsing,		CUPSD_VARTYPE_BOOLEAN },
   { "Classification",		&Classification,	CUPSD_VARTYPE_STRING },

scheduler/conf.h

@@ -225,6 +225,8 @@ VAR int			FilterLimit		VALUE(0),
 					/* multiple-operation-time-out value */
 			WebInterface		VALUE(CUPS_DEFAULT_WEBIF);
 					/* Enable the web interface? */
+VAR int			BrowseIPPSOnly		VALUE(0);
+					/* Only browse IPPS printers? */
 VAR cups_file_t		*AccessFile		VALUE(NULL),
 					/* Access log file */
 			*ErrorFile		VALUE(NULL),

scheduler/dirsvc.c

@@ -11,6 +11,7 @@
 
 #include "cupsd.h"
 #include <grp.h>
+extern int BrowseIPPSOnly;
 
 #if defined(HAVE_MDNSRESPONDER) && defined(__APPLE__)
 #  include <nameser.h>
@@ -44,6 +45,8 @@ cupsdDeregisterPrinter(
 {
  /*
   * Only deregister if browsing is enabled and it's a local printer...
+  if (BrowseIPPSOnly && p->regtypes && !strstr(p->regtypes, "_ipps._tcp"))
+    return;
   */
 
   cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdDeregisterPrinter(p=%p(%s), removeit=%d)", (void *)p, p->name, removeit);
@@ -75,6 +78,9 @@ cupsdRegisterPrinter(cupsd_printer_t *p)/* I - Printer */
 
   if (!Browsing || !BrowseLocalProtocols || (p->type & (CUPS_PTYPE_REMOTE | CUPS_PTYPE_SCANNER)))
     return;
+  
+  if (BrowseIPPSOnly && p->regtypes && !strstr(p->regtypes, "_ipps._tcp"))
+    return;
 
   cupsdLogPrinter(p, CUPSD_LOG_DEBUG, "DNSSDContext=%p", (void *)DNSSDContext);