Hans Leidekker : winscard: Implement SCardTransmit().

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 26c72e911e2b6fadf6d0e0d34cc331f294e57569
URL:    https://gitlab.winehq.org/wine/wine/-/commit/26c72e911e2b6fadf6d0e0d34cc331f...

Author: Hans Leidekker 
Date:   Thu Feb 16 13:03:01 2023 +0100

winscard: Implement SCardTransmit().

---

dlls/winscard/unixlib.c     |  9 +++++++++
 dlls/winscard/unixlib.h     | 18 ++++++++++++++++++
 dlls/winscard/winscard.c    | 36 ++++++++++++++++++++++++++++++++++++
 dlls/winscard/winscard.spec |  2 +-
 4 files changed, 64 insertions(+), 1 deletion(-)

diff --git a/dlls/winscard/unixlib.c b/dlls/winscard/unixlib.c
index e1cdf673c92..50f6e348e97 100644
--- a/dlls/winscard/unixlib.c
+++ b/dlls/winscard/unixlib.c
@@ -44,6 +44,7 @@ LONG SCardDisconnect( UINT64, UINT64 );
 LONG SCardReconnect( UINT64, UINT64, UINT64, UINT64, UINT64 * );
 LONG SCardBeginTransaction( UINT64 );
 LONG SCardEndTransaction( UINT64, UINT64 );
+LONG SCardTransmit( UINT64, const struct io_request *, const BYTE *, UINT64, struct io_request *, BYTE *, UINT64 * );

static NTSTATUS scard_establish_context( void *args )
 {
@@ -126,6 +127,13 @@ static NTSTATUS scard_end_transaction( void *args )
     return SCardEndTransaction( params->handle, params->disposition );
 }

+static NTSTATUS scard_transmit( void *args )
+{
+    struct scard_transmit_params *params = args;
+    return SCardTransmit( params->handle, params->send, params->send_buf, params->send_buflen, params->recv,
+                          params->recv_buf, params->recv_buflen );
+}
+
 const unixlib_entry_t __wine_unix_call_funcs[] =
 {
     scard_establish_context,
@@ -141,4 +149,5 @@ const unixlib_entry_t __wine_unix_call_funcs[] =
     scard_disconnect,
     scard_begin_transaction,
     scard_end_transaction,
+    scard_transmit,
 };
diff --git a/dlls/winscard/unixlib.h b/dlls/winscard/unixlib.h
index 6c7576220f9..33b1d295509 100644
--- a/dlls/winscard/unixlib.h
+++ b/dlls/winscard/unixlib.h
@@ -121,6 +121,23 @@ struct scard_end_transaction_params
     UINT64 disposition;
 };

+struct io_request
+{
+    UINT64 protocol;
+    UINT64 pci_len;
+};
+
+struct scard_transmit_params
+{
+    UINT64 handle;
+    const struct io_request *send;
+    const BYTE *send_buf;
+    UINT64 send_buflen;
+    struct io_request *recv;
+    BYTE *recv_buf;
+    UINT64 *recv_buflen;
+};
+
 enum winscard_funcs
 {
     unix_scard_establish_context,
@@ -136,4 +153,5 @@ enum winscard_funcs
     unix_scard_disconnect,
     unix_scard_begin_transaction,
     unix_scard_end_transaction,
+    unix_scard_transmit,
 };
diff --git a/dlls/winscard/winscard.c b/dlls/winscard/winscard.c
index a5b9cc75af5..7ef0a3fc9ba 100644
--- a/dlls/winscard/winscard.c
+++ b/dlls/winscard/winscard.c
@@ -786,6 +786,42 @@ LONG WINAPI SCardEndTransaction( SCARDHANDLE connect, DWORD disposition )
     return ret;
 }

+LONG WINAPI SCardTransmit( SCARDHANDLE connect, const SCARD_IO_REQUEST *send, const BYTE *send_buf,
+                           DWORD send_buflen, SCARD_IO_REQUEST *recv, BYTE *recv_buf, DWORD *recv_buflen )
+{
+    struct handle *handle = (struct handle *)connect;
+    struct scard_transmit_params params;
+    struct io_request send64 = { send->dwProtocol, send->cbPciLength }, recv64;
+    UINT64 recv_buflen64;
+    LONG ret;
+
+    TRACE( "%Ix, %p, %p, %lu, %p, %p, %p\n", connect, send, send_buf, send_buflen, recv, recv_buf, recv_buflen );
+
+    if (!handle || handle->magic != CONNECT_MAGIC) return ERROR_INVALID_HANDLE;
+    if (!recv_buflen) return SCARD_E_INVALID_PARAMETER;
+
+    params.handle = handle->unix_handle;
+    params.send = &send64;
+    params.send_buf = send_buf;
+    params.send_buflen = send_buflen;
+    params.recv = &recv64;
+    params.recv_buf = recv_buf;
+    recv_buflen64 = *recv_buflen;
+    params.recv_buflen = &recv_buflen64;
+    if (!(ret = UNIX_CALL( scard_transmit, &params )))
+    {
+        if (recv)
+        {
+            recv->dwProtocol = recv64.protocol;
+            recv->cbPciLength = recv64.pci_len;
+        }
+        *recv_buflen = recv_buflen64;
+    }
+
+    TRACE( "returning %#lx\n", ret );
+    return ret;
+}
+
 BOOL WINAPI DllMain( HINSTANCE hinst, DWORD reason, void *reserved )
 {
     switch (reason)
diff --git a/dlls/winscard/winscard.spec b/dlls/winscard/winscard.spec
index 828df2416c9..6de6c9036dd 100644
--- a/dlls/winscard/winscard.spec
+++ b/dlls/winscard/winscard.spec
@@ -57,7 +57,7 @@
 @ stub SCardState
 @ stdcall SCardStatusA(long str ptr ptr ptr ptr ptr)
 @ stdcall SCardStatusW(long wstr ptr ptr ptr ptr ptr)
-@ stub SCardTransmit
+@ stdcall SCardTransmit(long ptr ptr long ptr ptr ptr)
 @ extern g_rgSCardRawPci
 @ extern g_rgSCardT0Pci
 @ extern g_rgSCardT1Pci