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scard: added more messages

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This commit is contained in:
Laxmikant Rashinkar 2013-09-15 13:52:07 -07:00
parent 68371ed361
commit a1352b62e3
2 changed files with 658 additions and 11 deletions
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664
sesman/chansrv/smartcard.c
View File

@ -113,7 +113,8 @@ do \
#define SCARD_IOCTL_BEGIN_TRANSACTION 0x000900BC /* BeginTransaction */
#define SCARD_IOCTL_END_TRANSACTION 0x000900C0 /* EndTransaction */
#define SCARD_IOCTL_STATE 0x000900C4 /* State */
#define SCARD_IOCTL_STATUS 0x000900C8 /* StatusA */
#define SCARD_IOCTL_STATUS_A 0x000900C8 /* StatusA */
#define SCARD_IOCTL_STATUS_W 0x000900CC /* StatusW */
#define SCARD_IOCTL_TRANSMIT 0x000900D0 /* Transmit */
#define SCARD_IOCTL_CONTROL 0x000900D4 /* Control */
#define SCARD_IOCTL_GETATTRIB 0x000900D8 /* GetAttrib */
@ -126,6 +127,12 @@ do \
#define SCARD_SCOPE_TERMINAL 0x00000001
#define SCARD_SCOPE_SYSTEM 0x00000002
/* disposition - action to take on card */
#define SCARD_LEAVE_CARD 0x00000000
#define SCARD_RESET_CARD 0x00000001
#define SCARD_UNPOWER_CARD 0x00000002
#define SCARD_EJECT_CARD 0x00000003
#define MAX_SMARTCARDS 16
/* stores info about a smart card */
@ -155,12 +162,17 @@ static int scard_add_new_device(tui32 device_id);
static int scard_get_free_slot(void);
static void scard_release_resources(void);
static void scard_send_EstablishContext(IRP* irp, int scope);
static void scard_send_ReleaseContext(IRP* irp);
static void scard_send_ListReaders(IRP* irp, int wide);
static void scard_send_GetStatusChange(IRP* irp, int wide, tui32 timeout,
tui32 num_readers, READER_STATE* rsa);
static void scard_send_Connect(IRP* irp, int wide, READER_STATE* rs);
static void scard_send_BeginTransaction(IRP* irp, tui32 sc_handle);
static void scard_send_EndTransaction(IRP* irp, tui32 sc_handle);
static void scard_send_Status(IRP* irp, int wide, tui32 sc_handle);
static void scard_send_Disconnect(IRP* irp, tui32 sc_handle);
/******************************************************************************
** local callbacks into this module **
@ -170,6 +182,10 @@ static void scard_handle_EstablishContext_Return(struct stream *s, IRP *irp,
tui32 DeviceId, tui32 CompletionId,
tui32 IoStatus);
static void scard_handle_ReleaseContext_Return(struct stream *s, IRP *irp,
tui32 DeviceId, tui32 CompletionId,
tui32 IoStatus);
static void scard_handle_ListReaders_Return(struct stream *s, IRP *irp,
tui32 DeviceId, tui32 CompletionId,
tui32 IoStatus);
@ -182,6 +198,22 @@ static void scard_handle_Connect_Return(struct stream *s, IRP *irp,
tui32 DeviceId, tui32 CompletionId,
tui32 IoStatus);
static void scard_handle_BeginTransaction_Return(struct stream *s, IRP *irp,
tui32 DeviceId, tui32 CompletionId,
tui32 IoStatus);
static void scard_handle_EndTransaction_Return(struct stream *s, IRP *irp,
tui32 DeviceId, tui32 CompletionId,
tui32 IoStatus);
static void scard_handle_Status_Return(struct stream *s, IRP *irp,
tui32 DeviceId, tui32 CompletionId,
tui32 IoStatus);
static void scard_handle_Disconnect_Return(struct stream *s, IRP *irp,
tui32 DeviceId, tui32 CompletionId,
tui32 IoStatus);
/******************************************************************************
** **
** externally accessible functions, defined in smartcard.h **
@ -274,6 +306,33 @@ scard_send_irp_establish_context(struct trans *con, int scope)
return 0;
}
/**
* Release a previously established Smart Card context
*****************************************************************************/
int
APP_CC scard_send_release_context(struct trans *con)
{
IRP *irp;
/* setup up IRP */
if ((irp = devredir_irp_new()) == NULL)
{
log_error("system out of memory");
return 1;
}
irp->scard_index = g_scard_index;
irp->CompletionId = g_completion_id++;
irp->DeviceId = g_device_id;
irp->callback = scard_handle_ReleaseContext_Return;
irp->user_data = con;
/* send IRP to client */
scard_send_ReleaseContext(irp);
return 0;
}
/**
*
*****************************************************************************/
@ -364,6 +423,127 @@ scard_send_irp_connect(struct trans *con, int wide, READER_STATE* rs)
return 0;
}
/**
* Lock smart card reader for exclusive access for specified smart
* card reader handle.
*
* @param con connection to client
*****************************************************************************/
int
APP_CC scard_send_begin_transaction(struct trans *con, tui32 sc_handle)
{
IRP *irp;
/* setup up IRP */
if ((irp = devredir_irp_new()) == NULL)
{
log_error("system out of memory");
return 1;
}
irp->scard_index = g_scard_index;
irp->CompletionId = g_completion_id++;
irp->DeviceId = g_device_id;
irp->callback = scard_handle_BeginTransaction_Return;
irp->user_data = con;
/* send IRP to client */
scard_send_BeginTransaction(irp, sc_handle);
return 0;
}
/**
* Release a smart card reader after being locked by a previously
* successful call to Begin Transaction
*
* @param con connection to client
* @param sc_handle handle to smartcard
*****************************************************************************/
int
APP_CC scard_send_end_transaction(struct trans *con, tui32 sc_handle)
{
IRP *irp;
/* setup up IRP */
if ((irp = devredir_irp_new()) == NULL)
{
log_error("system out of memory");
return 1;
}
irp->scard_index = g_scard_index;
irp->CompletionId = g_completion_id++;
irp->DeviceId = g_device_id;
irp->callback = scard_handle_EndTransaction_Return;
irp->user_data = con;
/* send IRP to client */
scard_send_EndTransaction(irp, sc_handle);
return 0;
}
/**
* Get the status of a connection for a valid smart card reader handle
*
* @param con connection to client
* @param wide TRUE if unicode string
*****************************************************************************/
int
APP_CC scard_send_status(struct trans *con, int wide, tui32 sc_handle)
{
IRP *irp;
/* setup up IRP */
if ((irp = devredir_irp_new()) == NULL)
{
log_error("system out of memory");
return 1;
}
irp->scard_index = g_scard_index;
irp->CompletionId = g_completion_id++;
irp->DeviceId = g_device_id;
irp->callback = scard_handle_Status_Return;
irp->user_data = con;
/* send IRP to client */
scard_send_Status(irp, wide, sc_handle);
return 0;
}
/**
* Release a smart card reader handle that was acquired in ConnectA/ConnectW
*
* @param con connection to client
* @param sc_handle handle to smartcard
*****************************************************************************/
int
APP_CC scard_send_disconnect(struct trans *con, tui32 sc_handle)
{
IRP *irp;
/* setup up IRP */
if ((irp = devredir_irp_new()) == NULL)
{
log_error("system out of memory");
return 1;
}
irp->scard_index = g_scard_index;
irp->CompletionId = g_completion_id++;
irp->DeviceId = g_device_id;
irp->callback = scard_handle_Disconnect_Return;
irp->user_data = con;
/* send IRP to client */
scard_send_Disconnect(irp, sc_handle);
return 0;
}
/******************************************************************************
** **
** static functions local to this file **
@ -532,6 +712,58 @@ scard_send_EstablishContext(IRP *irp, int scope)
xstream_free(s);
}
/**
* Release a previously established Smart Card context
*****************************************************************************/
static void
scard_send_ReleaseContext(IRP* irp)
{
/* see [MS-RDPESC] 3.1.4.2 */
SMARTCARD* sc;
struct stream* s;
int bytes;
if ((sc = smartcards[irp->scard_index]) == NULL)
{
log_error("smartcards[%d] is NULL", irp->scard_index);
return;
}
if ((s = scard_make_new_ioctl(irp, SCARD_IOCTL_RELEASE_CONTEXT)) == NULL)
return;
/*
* command format
*
* ......
* 20 bytes padding
* u32 4 bytes len 8, LE, v1
* u32 4 bytes filler
* 4 bytes len - don't know what this is, zero for now
* 12 bytes unused
* u32 4 bytes context len
* 4 bytes context
*/
xstream_wr_u32_le(s, 0);
xstream_seek(s, 12);
/* insert context */
xstream_wr_u32_le(s, sc->Context_len);
xstream_copyin(s, sc->Context, sc->Context_len);
/* get stream len */
bytes = xstream_len(s);
/* InputBufferLength is number of bytes AFTER 20 byte padding */
*(s->data + 28) = bytes - 56;
/* send to client */
send_channel_data(g_rdpdr_chan_id, s->data, bytes);
xstream_free(s);
}
/**
*
*****************************************************************************/
@ -551,8 +783,8 @@ scard_send_ListReaders(IRP *irp, int wide)
return;
}
ioctl = (wide > 0) ? SCARD_IOCTL_LIST_READERS_W :
SCARD_IOCTL_LIST_READERS_A;
ioctl = (wide) ? SCARD_IOCTL_LIST_READERS_W :
SCARD_IOCTL_LIST_READERS_A;
if ((s = scard_make_new_ioctl(irp, ioctl)) == NULL)
return;
@ -654,8 +886,8 @@ scard_send_GetStatusChange(IRP* irp, int wide, tui32 timeout,
return;
}
ioctl = (wide > 0) ? SCARD_IOCTL_GET_STATUS_CHANGE_W :
SCARD_IOCTL_GET_STATUS_CHANGE_A;
ioctl = (wide) ? SCARD_IOCTL_GET_STATUS_CHANGE_W :
SCARD_IOCTL_GET_STATUS_CHANGE_A;
if ((s = scard_make_new_ioctl(irp, ioctl)) == NULL)
return;
@ -744,6 +976,9 @@ static void scard_send_Connect(IRP* irp, int wide, READER_STATE* rs)
tui32 ioctl;
int bytes;
int len;
int num_chars;
int index;
twchar w_reader_name[100];
if ((sc = smartcards[irp->scard_index]) == NULL)
{
@ -751,8 +986,8 @@ static void scard_send_Connect(IRP* irp, int wide, READER_STATE* rs)
return;
}
ioctl = (wide > 0) ? SCARD_IOCTL_CONNECT_A :
SCARD_IOCTL_CONNECT_W;
ioctl = (wide) ? SCARD_IOCTL_CONNECT_W :
SCARD_IOCTL_CONNECT_A;
if ((s = scard_make_new_ioctl(irp, ioctl)) == NULL)
return;
@ -764,7 +999,7 @@ static void scard_send_Connect(IRP* irp, int wide, READER_STATE* rs)
* 20 bytes padding
* u32 4 bytes len 8, LE, v1
* u32 4 bytes filler
* 20 bytes unused (s->p is currently pointed here)
* 20 bytes unused (s->p currently pointed here at unused[0])
* u32 4 bytes dwShareMode
* u32 4 bytes dwPreferredProtocol
* xx bytes reader name
@ -777,9 +1012,18 @@ static void scard_send_Connect(IRP* irp, int wide, READER_STATE* rs)
xstream_wr_u32_le(s, rs->preferred_protocol);
/* insert reader name */
/* LK_TODO need to handle unicode */
len = strlen(rs->reader_name);
xstream_copyin(s, rs->reader_name, len);
num_chars = g_mbstowcs(w_reader_name, rs->reader_name, 99);
xstream_wr_u32_le(s, num_chars);
if (wide)
{
for (index = 0; index < num_chars; index++)
xstream_wr_u16_le(s, w_reader_name[index]);
}
else
{
for (index = 0; index < num_chars; index++)
xstream_wr_u8(s, w_reader_name[index]);
}
/* insert context */
xstream_wr_u32_le(s, sc->Context_len);
@ -796,6 +1040,244 @@ static void scard_send_Connect(IRP* irp, int wide, READER_STATE* rs)
xstream_free(s);
}
/**
* Lock smart card reader for exclusive access for specified smart
* card reader handle.
*
* @param con connection to client
*****************************************************************************/
static void
scard_send_BeginTransaction(IRP* irp, tui32 sc_handle)
{
/* see [MS-RDPESC] 4.9 */
SMARTCARD* sc;
struct stream* s;
int bytes;
if ((sc = smartcards[irp->scard_index]) == NULL)
{
log_error("smartcards[%d] is NULL", irp->scard_index);
return;
}
if ((s = scard_make_new_ioctl(irp, SCARD_IOCTL_BEGIN_TRANSACTION)) == NULL)
return;
/*
* command format
*
* ......
* 20 bytes padding
* u32 4 bytes len 8, LE, v1
* u32 4 bytes filler
* 36 bytes unused (s->p currently pointed here at unused[0])
* u32 4 bytes len of sc_handle
* 4 bytes sc_handle
*/
xstream_seek(s, 36);
/* insert handle */
xstream_wr_u32_le(s, 4);
xstream_wr_u32_le(s, sc_handle);
/* get stream len */
bytes = xstream_len(s);
/* InputBufferLength is number of bytes AFTER 20 byte padding */
*(s->data + 28) = bytes - 56;
/* send to client */
send_channel_data(g_rdpdr_chan_id, s->data, bytes);
xstream_free(s);
}
/**
* Release a smart card reader after being locked by a previously
* successful call to Begin Transaction
*
* @param con connection to client
* @param sc_handle handle to smartcard
*****************************************************************************/
static void
scard_send_EndTransaction(IRP* irp, tui32 sc_handle)
{
/* see [MS-RDPESC] 3.1.4.32 */
SMARTCARD* sc;
struct stream* s;
int bytes;
if ((sc = smartcards[irp->scard_index]) == NULL)
{
log_error("smartcards[%d] is NULL", irp->scard_index);
return;
}
if ((s = scard_make_new_ioctl(irp, SCARD_IOCTL_END_TRANSACTION)) == NULL)
return;
/*
* command format
*
* ......
* 20 bytes padding
* u32 4 bytes len 8, LE, v1
* u32 4 bytes filler
* 24 bytes unused (s->p currently pointed here at unused[0])
* u32 4 bytes disposition
* 8 unused
* u32 4 bytes length of sc_handle
* 4 bytes sc_handle
*/
xstream_seek(s, 24);
xstream_wr_u32_le(s, SCARD_LEAVE_CARD);
xstream_seek(s, 8);
/* insert handle */
xstream_wr_u32_le(s, 4);
xstream_wr_u32_le(s, sc_handle);
/* get stream len */
bytes = xstream_len(s);
/* InputBufferLength is number of bytes AFTER 20 byte padding */
*(s->data + 28) = bytes - 56;
/* send to client */
send_channel_data(g_rdpdr_chan_id, s->data, bytes);
xstream_free(s);
}
/**
* Get the status of a connection for a valid smart card reader handle
*
* @param con connection to client
* @param wide TRUE if unicode string
*****************************************************************************/
static void
scard_send_Status(IRP* irp, int wide, tui32 sc_handle)
{
/* see [MS-RDPESC] 2.2.2.18 */
SMARTCARD* sc;
struct stream* s;
int bytes;
tui32 ioctl;
if ((sc = smartcards[irp->scard_index]) == NULL)
{
log_error("smartcards[%d] is NULL", irp->scard_index);
return;
}
ioctl = (wide) ? SCARD_IOCTL_CONNECT_W :
SCARD_IOCTL_CONNECT_A;
if ((s = scard_make_new_ioctl(irp, ioctl)) == NULL)
return;
/*
* command format
*
* ......
* 20 bytes padding
* u32 4 bytes len 8, LE, v1
* u32 4 bytes filler
* 28 bytes unused (s->p currently pointed here at unused[0])
* u32 4 bytes reader len
* u32 4 bytes ATR len
* 8 bytes unused
* u32 4 bytes len of sc_handle
* 4 bytes sc_handle
* 4 bytes unused
*/
xstream_seek(s, 28);
xstream_wr_u32_le(s, -1); /* readerLen, see [MS-RDPESC] 4.11 */
xstream_wr_u32_le(s, 36); /* atrLen, see [MS-RDPESC] 4.11 */
xstream_seek(s, 8);
/* insert sc_handle */
xstream_wr_u32_le(s, 4);
xstream_wr_u32_le(s, sc_handle);
xstream_wr_u32_le(s, 0);
/* get stream len */
bytes = xstream_len(s);
/* InputBufferLength is number of bytes AFTER 20 byte padding */
*(s->data + 28) = bytes - 56;
/* send to client */
send_channel_data(g_rdpdr_chan_id, s->data, bytes);
xstream_free(s);
}
/**
* Release a smart card reader handle that was acquired in ConnectA/ConnectW
*
* @param con connection to client
* @param sc_handle handle to smartcard
*****************************************************************************/
static void
scard_send_Disconnect(IRP* irp, tui32 sc_handle)
{
/* see [MS-RDPESC] 3.1.4.30 */
SMARTCARD* sc;
struct stream* s;
int bytes;
if ((sc = smartcards[irp->scard_index]) == NULL)
{
log_error("smartcards[%d] is NULL", irp->scard_index);
return;
}
if ((s = scard_make_new_ioctl(irp, SCARD_IOCTL_DISCONNECT)) == NULL)
return;
/*
* command format
*
* ......
* 20 bytes padding
* u32 4 bytes len 8, LE, v1
* u32 4 bytes filler
* 24 bytes unused (s->p currently pointed here at unused[0])
* u32 4 bytes disposition
* u32 4 bytes context len
* 4 bytes context
* u32 4 bytes length of sc_handle
* 4 bytes sc_handle
*/
xstream_seek(s, 24);
xstream_wr_u32_le(s, SCARD_RESET_CARD);
/* insert context */
xstream_wr_u32_le(s, sc->Context_len);
xstream_copyin(s, sc->Context, sc->Context_len);
/* insert handle */
xstream_wr_u32_le(s, 4);
xstream_wr_u32_le(s, sc_handle);
/* get stream len */
bytes = xstream_len(s);
/* InputBufferLength is number of bytes AFTER 20 byte padding */
*(s->data + 28) = bytes - 56;
/* send to client */
send_channel_data(g_rdpdr_chan_id, s->data, bytes);
xstream_free(s);
}
/******************************************************************************
** **
** local callbacks into this module **
@ -868,6 +1350,38 @@ scard_handle_EstablishContext_Return(struct stream *s, IRP *irp,
log_debug("leaving");
}
/**
*
*****************************************************************************/
static void
scard_handle_ReleaseContext_Return(struct stream *s, IRP *irp,
tui32 DeviceId, tui32 CompletionId,
tui32 IoStatus)
{
tui32 len;
log_debug("entered");
/* sanity check */
if ((DeviceId != irp->DeviceId) || (CompletionId != irp->CompletionId))
{
log_error("DeviceId/CompletionId do not match those in IRP");
return;
}
if (IoStatus != 0)
{
log_error("ReleaseContext failed, device not usable");
/* LK_TODO delete irp and smartcard entry */
return;
}
/* get OutputBufferLen */
xstream_rd_u32_le(s, len);
log_debug("leaving");
}
/**
*
*****************************************************************************/
@ -965,3 +1479,131 @@ scard_handle_Connect_Return(struct stream *s, IRP *irp,
log_debug("leaving");
}
/**
*
*****************************************************************************/
static void
scard_handle_BeginTransaction_Return(struct stream *s, IRP *irp,
tui32 DeviceId, tui32 CompletionId,
tui32 IoStatus)
{
tui32 len;
log_debug("entered");
/* sanity check */
if ((DeviceId != irp->DeviceId) || (CompletionId != irp->CompletionId))
{
log_error("DeviceId/CompletionId do not match those in IRP");
return;
}
if (IoStatus != 0)
{
log_error("BeginTransaction failed, device not usable");
/* LK_TODO delete irp and smartcard entry */
return;
}
/* get OutputBufferLen */
xstream_rd_u32_le(s, len);
log_debug("leaving");
}
/**
*
*****************************************************************************/
static void
scard_handle_EndTransaction_Return(struct stream *s, IRP *irp,
tui32 DeviceId, tui32 CompletionId,
tui32 IoStatus)
{
tui32 len;
log_debug("entered");
/* sanity check */
if ((DeviceId != irp->DeviceId) || (CompletionId != irp->CompletionId))
{
log_error("DeviceId/CompletionId do not match those in IRP");
return;
}
if (IoStatus != 0)
{
log_error("EndTransaction failed, device not usable");
/* LK_TODO delete irp and smartcard entry */
return;
}
/* get OutputBufferLen */
xstream_rd_u32_le(s, len);
log_debug("leaving");
}
/**
*
*****************************************************************************/
static void
scard_handle_Status_Return(struct stream *s, IRP *irp,
tui32 DeviceId, tui32 CompletionId,
tui32 IoStatus)
{
tui32 len;
log_debug("entered");
/* sanity check */
if ((DeviceId != irp->DeviceId) || (CompletionId != irp->CompletionId))
{
log_error("DeviceId/CompletionId do not match those in IRP");
return;
}
if (IoStatus != 0)
{
log_error("StatusCall failed, device not usable");
/* LK_TODO delete irp and smartcard entry */
return;
}
/* get OutputBufferLen */
xstream_rd_u32_le(s, len);
log_debug("leaving");
}
/**
*
*****************************************************************************/
static void
scard_handle_Disconnect_Return(struct stream *s, IRP *irp,
tui32 DeviceId, tui32 CompletionId,
tui32 IoStatus)
{
tui32 len;
log_debug("entered");
/* sanity check */
if ((DeviceId != irp->DeviceId) || (CompletionId != irp->CompletionId))
{
log_error("DeviceId/CompletionId do not match those in IRP");
return;
}
if (IoStatus != 0)
{
log_error("Disconnect failed, device not usable");
/* LK_TODO delete irp and smartcard entry */
return;
}
/* get OutputBufferLen */
xstream_rd_u32_le(s, len);
log_debug("leaving");
}

5
sesman/chansrv/smartcard.h
View File

@ -74,11 +74,16 @@ int APP_CC scard_check_wait_objs(void);
int APP_CC scard_init(void);
int APP_CC scard_deinit(void);
int APP_CC scard_send_irp_establish_context(struct trans *con, int scope);
int APP_CC scard_send_release_context(struct trans *con);
int APP_CC scard_send_irp_list_readers(struct trans *con);
int APP_CC scard_send_irp_get_status_change(struct trans *con, int wide, tui32 timeout,
tui32 num_readers, READER_STATE* rsa);
int APP_CC scard_send_irp_connect(struct trans *con, int wide, READER_STATE* rs);
int APP_CC scard_send_begin_transaction(struct trans *con, tui32 sc_handle);
int APP_CC scard_send_end_transaction(struct trans *con, tui32 sc_handle);
int APP_CC scard_send_status(struct trans *con, int wide, tui32 sc_handle);
int APP_CC scard_send_disconnect(struct trans *con, tui32 sc_handle);
#endif /* end #ifndef _SMARTCARD_C */