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Added basic PC/SC (WinSCard) smartcard support. (0.17.0)

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Johannes Findeisen 2025-10-02 20:08:21 +02:00
commit 945d668ccb
18 changed files with 693 additions and 4 deletions
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src/vm/pcsc/connect.c Normal file
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/**
* This file is part of the Fun programming language.
* https://hanez.org/project/fun/
*
* Copyright 2025 Johannes Findeisen <you@hanez.org>
* Licensed under the terms of the Apache-2.0 license.
* https://opensource.org/license/apache-2-0
*
* Added: 2025-10-02
*/
/* PCSC connect */
case OP_PCSC_CONNECT: {
#ifdef FUN_WITH_PCSC
/* Stack: [..., ctx_id, reader_name] -> pops reader_name first, then ctx_id */
Value vreader = pop_value(vm);
Value vctx = pop_value(vm);
int ctx_id = (int)vctx.i;
free_value(vctx);
char *rname = value_to_string_alloc(&vreader);
free_value(vreader);
pcsc_ctx_entry *e = pcsc_get_ctx(ctx_id);
if (!e || !rname) { if (rname) free(rname); push_value(vm, make_int(0)); break; }
int hslot = pcsc_alloc_card_slot();
if (!hslot) { free(rname); push_value(vm, make_int(0)); break; }
pcsc_card_entry *ce = pcsc_get_card(hslot);
DWORD dwActive = 0;
LONG rv = SCardConnect(e->ctx, rname, SCARD_SHARE_SHARED,
SCARD_PROTOCOL_T0 | SCARD_PROTOCOL_T1,
&ce->h, &dwActive);
free(rname);
if (rv != SCARD_S_SUCCESS) {
ce->in_use = 0;
push_value(vm, make_int(0));
break;
}
ce->proto = dwActive;
push_value(vm, make_int(hslot));
#else
Value vreader = pop_value(vm); free_value(vreader);
Value vctx = pop_value(vm); free_value(vctx);
push_value(vm, make_int(0));
#endif
break;
}