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# Patch from GPGTools/MacGPG2 repo
# https://github.com/GPGTools/MacGPG2/blob/dev/patches/gnupg/scdaemon_shared-access.patch
# 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
@@ -816,7 +816,7 @@ 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,
oListenBacklog,
oNoop
@@ -164,6 +165,8 @@ static ARGPARSE_OPTS opts[] = {
/* Stubs for options which are implemented by 2.3 or later. */
ARGPARSE_s_s (oNoop, "application-priority", "@"),
+ ARGPARSE_s_n (oSharedAccess, "shared-access", N_("use PCSC_SHARE_SHARED for pcsc_connect")),
+
ARGPARSE_end ()
};
@@ -629,6 +632,8 @@ main (int argc, char **argv )
case oNoop: break;
+ case oSharedAccess: opt.shared_access = 1; break;
+
default:
pargs.err = configfp? ARGPARSE_PRINT_WARNING:ARGPARSE_PRINT_ERROR;
break;
@@ -727,6 +732,7 @@ 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
@@ -653,6 +653,9 @@ 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,
|