Description: Patch to support Apple AirPrint (printing from iPhone, iPad, iPod Touch to a CUPS server)
Author: Till Kamppeter <till.kamppeter@gmail.com>
Bug: https://bugs.launchpad.net/bugs/711779
Bug: https://bugs.launchpad.net/bugs/1054495
Bug-Debian: http://bugs.debian.org/700961
Last-Update: 2013-02-20

--- a/scheduler/dirsvc.c
+++ b/scheduler/dirsvc.c
@@ -622,6 +622,12 @@
     keyvalue[count  ][0] = "pdl";
     keyvalue[count++][1] = p->pdl ? p->pdl : "application/postscript";
 
+    /* iOS 6 does not accept this printer as AirPrint printer if there is
+       no URF txt record or "URF=none", "DM3" is the minimum needed found
+       by try and error */
+    keyvalue[count  ][0] = "URF";
+    keyvalue[count++][1] = "DM3";
+
     if (get_auth_info_required(p, air_str, sizeof(air_str)))
     {
       keyvalue[count  ][0] = "air";
--- a/conf/mime.convs.in
+++ b/conf/mime.convs.in
@@ -48,6 +48,9 @@
 # PWG Raster filter for IPP Everywhere...
 application/vnd.cups-raster	image/pwg-raster		100	rastertopwg
 
+# Needed for printing from iOS (AirPrint) clients
+image/urf    	      	       application/pdf			100	-
+
 ########################################################################
 #
 # Raw filter...
--- a/conf/mime.types
+++ b/conf/mime.types
@@ -110,6 +110,9 @@
 image/x-bitmap			bmp string(0,BM) + !printable(2,14)
 image/x-icon			ico
 
+# Needed for printing from iOS (AirPrint) clients
+image/urf			urf string(0,UNIRAST<00>)
+
 ########################################################################
 #
 # Text files...
--- a/scheduler/printers.c
+++ b/scheduler/printers.c
@@ -3543,7 +3543,9 @@
       }
       else if (!_cups_strcasecmp(type->super, "image"))
       {
-        if (!_cups_strcasecmp(type->type, "jpeg"))
+        if (!_cups_strcasecmp(type->type, "urf"))
+	  strlcat(pdl, "image/urf,", sizeof(pdl));
+	else if (!_cups_strcasecmp(type->type, "jpeg"))
 	  strlcat(pdl, "image/jpeg,", sizeof(pdl));
 	else if (!_cups_strcasecmp(type->type, "png"))
 	  strlcat(pdl, "image/png,", sizeof(pdl));
--- a/scheduler/conf.c
+++ b/scheduler/conf.c
@@ -722,7 +722,7 @@
   DefaultShared            = CUPS_DEFAULT_DEFAULT_SHARED;
 
 #if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
-  cupsdSetString(&DNSSDSubTypes, "_cups,_print");
+  cupsdSetString(&DNSSDSubTypes, "_cups,_print,_universal");
 #endif /* HAVE_DNSSD || HAVE_AVAHI */
 
   cupsdSetString(&LPDConfigFile, CUPS_DEFAULT_LPD_CONFIG_FILE);