Added make-gnupg2

helpers/make-gnupg2

+#!/bin/sh
+#
+#    Copyright (C) 2019  Ruben Rodriguez <ruben@trisquel.info>
+#
+#    This program is free software; you can redistribute it and/or modify
+#    it under the terms of the GNU General Public License as published by
+#    the Free Software Foundation; either version 2 of the License, or
+#    (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU General Public License for more details.
+#
+#    You should have received a copy of the GNU General Public License
+#    along with this program; if not, write to the Free Software
+#    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+#
+
+VERSION=1
+
+. ./config
+
+# This hack is needed for using multi-applet security keys in opengpg and PIV mode simultaneously
+# https://gpgtools.lighthouseapp.com/projects/66001/tickets/690-add-support-to-scdaemon-for-shared-access-mode
+patch -p1 << EOF
+# Add the option "shared-access" to scdaemon.
+# If set, pcsc_connect is called with PCSC_SHARE_SHARED instead of PCSC_SHARE_EXCLUSIVE.
+
+
+--- a/scd/apdu.c	
++++ b/scd/apdu.c
+@@ -793,7 +793,7 @@ connect_pcsc_card (int slot)
+ 
+   err = pcsc_connect (reader_table[slot].pcsc.context,
+                       reader_table[slot].rdrname,
+-                      PCSC_SHARE_EXCLUSIVE,
++                      opt.shared_access ? PCSC_SHARE_SHARED : PCSC_SHARE_EXCLUSIVE,
+                       PCSC_PROTOCOL_T0|PCSC_PROTOCOL_T1,
+                       &reader_table[slot].pcsc.card,
+                       &reader_table[slot].pcsc.protocol);
+--- a/scd/scdaemon.c	
++++ b/scd/scdaemon.c
+@@ -99,6 +99,7 @@ enum cmd_and_opt_values
+   oDenyAdmin,
+   oDisableApplication,
+   oEnablePinpadVarlen,
++  oSharedAccess,
+   oDebugDisableTicker
+ };
+ 
+@@ -157,6 +158,8 @@ static ARGPARSE_OPTS opts[] = {
+                 N_("use variable length input for pinpad")),
+   ARGPARSE_s_s (oHomedir,    "homedir",      "@"),
+ 
++  ARGPARSE_s_n (oSharedAccess, "shared-access", N_("use PCSC_SHARE_SHARED for pcsc_connect")),
++
+   ARGPARSE_end ()
+ };
+ 
+@@ -597,6 +598,8 @@ main (int argc, char **argv )
+ 
+         case oEnablePinpadVarlen: opt.enable_pinpad_varlen = 1; break;
+ 
++        case oSharedAccess: opt.shared_access = 1; break;
++
+         default:
+           pargs.err = configfp? ARGPARSE_PRINT_WARNING:ARGPARSE_PRINT_ERROR;
+           break;
+@@ -695,6 +695,7 @@ main (int argc, char **argv )
+       es_printf ("disable-pinpad:%lu:\n", GC_OPT_FLAG_NONE );
+       es_printf ("card-timeout:%lu:%d:\n", GC_OPT_FLAG_DEFAULT, 0);
+       es_printf ("enable-pinpad-varlen:%lu:\n", GC_OPT_FLAG_NONE );
++      es_printf ("shared-access:%lu:\n", GC_OPT_FLAG_NONE );
+ 
+       scd_exit (0);
+     }
+--- a/scd/scdaemon.h	
++++ b/scd/scdaemon.h
+@@ -62,6 +62,8 @@ struct
+   strlist_t disabled_applications;  /* Card applications we do not
+                                        want to use. */
+   unsigned long card_timeout; /* Disconnect after N seconds of inactivity.  */
++
++  int shared_access;
+ } opt;
+ 
+ 
+--- a/tools/gpgconf-comp.c
++++ b/tools/gpgconf-comp.c        
+@@ -648,6 +648,9 @@ static gc_option_t gc_options_scdaemon[] =
+    { "card-timeout", GC_OPT_FLAG_NONE|GC_OPT_FLAG_RUNTIME, GC_LEVEL_BASIC,
+      "gnupg", "|N|disconnect the card after N seconds of inactivity",
+      GC_ARG_TYPE_UINT32, GC_BACKEND_SCDAEMON },
++   { "shared-access", GC_OPT_FLAG_NONE|GC_OPT_FLAG_RUNTIME, GC_LEVEL_BASIC,
++     "gnupg", "use PCSC_SHARE_SHARED for pcsc_connect",
++     GC_ARG_TYPE_NONE, GC_BACKEND_SCDAEMON },
+ 
+    { "Debug",
+      GC_OPT_FLAG_GROUP, GC_LEVEL_ADVANCED,
+EOF
+
+changelog "Add support to scdaemon for shared access mode"
+
+compile
+