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xrdp-proprietary/sesman/chansrv/smartcard_pcsc.c

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/**
* xrdp: A Remote Desktop Protocol server.
*
* Copyright (C) Jay Sorg 2013 jay.sorg@gmail.com
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
/*
* smartcard redirection support, PCSC daemon standin
* this will act like pcsc daemon
* pcsc lib and daemon write struct on unix domain socket for communication
*/
#define JAY_TODO_CONTEXT 0
#define JAY_TODO_WIDE 1
#define PCSC_STANDIN 1
#include "os_calls.h"
#include "smartcard.h"
#include "log.h"
#include "irp.h"
#include "devredir.h"
#include "trans.h"
#include "chansrv.h"
#include "list.h"
#if PCSC_STANDIN
#define LLOG_LEVEL 1
#define LLOGLN(_level, _args) \
do \
{ \
if (_level < LLOG_LEVEL) \
{ \
g_write("chansrv:smartcard_pcsc [%10.10u]: ", g_time3()); \
g_writeln _args ; \
} \
} \
while (0)
extern int g_display_num; /* in chansrv.c */
static int g_autoinc = 0; /* general purpose autoinc */
struct pcsc_card /* item for list of open cards in one context */
{
tui32 app_card; /* application card, always 4 bytes */
int card_bytes; /* client card bytes */
char card[16]; /* client card */
};
struct pcsc_context
{
tui32 app_context; /* application context, always 4 byte */
int context_bytes; /* client context bytes */
char context[16]; /* client context */
struct list *cards; /* these need to be released on close */
};
/*****************************************************************************/
struct pcsc_uds_client
{
int uds_client_id; /* unique id represents each app */
struct trans *con; /* the connection to the app */
struct list *contexts; /* list of struct pcsc_context */
struct pcsc_context *connect_context;
};
static struct list *g_uds_clients = 0; /* struct pcsc_uds_client */
static struct trans *g_lis = 0;
static char g_pcsclite_ipc_dir[256] = "";
static char g_pcsclite_ipc_file[256] = "";
/*****************************************************************************/
/* got a new unix domain socket connection */
static struct pcsc_uds_client *
create_uds_client(struct trans *con)
{
struct pcsc_uds_client *uds_client;
LLOGLN(10, ("create_uds_client:"));
if (con == 0)
{
return 0;
}
uds_client = g_malloc(sizeof(struct pcsc_uds_client), 1);
if (uds_client == 0)
{
return 0;
}
g_autoinc++;
uds_client->uds_client_id = g_autoinc;
uds_client->con = con;
con->callback_data = uds_client;
return uds_client;
}
/*****************************************************************************/
static struct pcsc_uds_client *
get_uds_client_by_id(int uds_client_id)
{
struct pcsc_uds_client *uds_client;
int index;
LLOGLN(10, ("get_uds_client_by_id:"));
if (uds_client_id == 0)
{
LLOGLN(10, ("get_uds_client_by_id: uds_client_id zero"));
return 0;
}
if (g_uds_clients == 0)
{
LLOGLN(10, ("get_uds_client_by_id: g_uds_clients is nil"));
return 0;
}
LLOGLN(10, (" count %d", g_uds_clients->count));
for (index = 0; index < g_uds_clients->count; index++)
{
uds_client = (struct pcsc_uds_client *)
list_get_item(g_uds_clients, index);
if (uds_client->uds_client_id == uds_client_id)
{
return uds_client;
}
}
LLOGLN(10, ("get_uds_client_by_id: can't find uds_client_id %d",
uds_client_id));
return 0;
}
/*****************************************************************************/
struct pcsc_context *
get_pcsc_context_by_app_context(struct pcsc_uds_client *uds_client,
int app_context)
{
struct pcsc_context *rv;
int index;
if (uds_client == 0)
{
return 0;
}
if (uds_client->contexts == 0)
{
return 0;
}
for (index = 0; index < uds_client->contexts->count; index++)
{
rv = (struct pcsc_context *)
list_get_item(uds_client->contexts, index);
if (rv->app_context == app_context)
{
return rv;
}
}
return 0;
}
/*****************************************************************************/
struct pcsc_card *
get_pcsc_card_by_app_card(struct pcsc_uds_client *uds_client,
int app_card, struct pcsc_context **acontext)
{
struct pcsc_card *lcard;
struct pcsc_context *lcontext;
int index;
int index1;
LLOGLN(10, ("get_pcsc_card_by_app_card:"));
LLOGLN(10, (" app_card %d", app_card));
if (uds_client == 0)
{
LLOGLN(0, ("get_pcsc_card_by_app_card: error"));
return 0;
}
if (uds_client->contexts == 0)
{
LLOGLN(0, ("get_pcsc_card_by_app_card: error"));
return 0;
}
for (index = 0; index < uds_client->contexts->count; index++)
{
lcontext = (struct pcsc_context *)
list_get_item(uds_client->contexts, index);
if (lcontext != 0)
{
if (lcontext->cards != 0)
{
for (index1 = 0; index1 < lcontext->cards->count; index1++)
{
lcard = (struct pcsc_card *)
list_get_item(lcontext->cards, index1);
if (lcard != 0)
{
if (lcard->app_card == app_card)
{
if (acontext != 0)
{
*acontext = lcontext;
}
return lcard;
}
}
}
}
}
}
LLOGLN(0, ("get_pcsc_card_by_app_card: error"));
return 0;
}
/*****************************************************************************/
static int
free_uds_client(struct pcsc_uds_client *uds_client)
{
int i;
int j;
struct pcsc_context *context;
struct pcsc_card *card;
LLOGLN(10, ("free_uds_client:"));
if (uds_client == 0)
{
return 0;
}
if (uds_client->contexts != 0)
{
for (i = 0; i < uds_client->contexts->count; i++)
{
context = (struct pcsc_context *)
list_get_item(uds_client->contexts, i);
if (context != 0)
{
if (context->cards != 0)
{
for (j = 0; j < context->cards->count; j++)
{
card = (struct pcsc_card *)
list_get_item(context->cards, j);
if (card != 0)
{
/* TODO: send free card to client */
g_free(card);
}
}
list_delete(context->cards);
}
LLOGLN(10, (" left over context 0x%8.8x", context->context));
scard_send_cancel(0, context->context, context->context_bytes);
scard_send_release_context(0, context->context,
context->context_bytes);
g_free(context);
}
}
list_delete(uds_client->contexts);
}
trans_delete(uds_client->con);
g_free(uds_client);
return 0;
}
/*****************************************************************************/
static struct pcsc_context *
uds_client_add_context(struct pcsc_uds_client *uds_client,
char *context, int context_bytes)
{
struct pcsc_context *pcscContext;
LLOGLN(10, ("uds_client_add_context:"));
pcscContext = (struct pcsc_context *)
g_malloc(sizeof(struct pcsc_context), 1);
if (pcscContext == 0)
{
LLOGLN(0, ("uds_client_add_context: error"));
return 0;
}
g_autoinc++;
pcscContext->app_context = g_autoinc;
pcscContext->context_bytes = context_bytes;
g_memcpy(pcscContext->context, context, context_bytes);
if (uds_client->contexts == 0)
{
uds_client->contexts = list_create();
if (uds_client->contexts == 0)
{
LLOGLN(0, ("uds_client_add_context: error"));
return 0;
}
}
list_add_item(uds_client->contexts, (tintptr) pcscContext);
return pcscContext;
}
/*****************************************************************************/
static int
uds_client_remove_context(struct pcsc_uds_client *uds_client,
struct pcsc_context *acontext)
{
int index;
if (uds_client->contexts == 0)
{
LLOGLN(0, ("uds_client_remove_context: error"));
return 1;
}
index = list_index_of(uds_client->contexts, (tintptr) acontext);
if (index < 0)
{
LLOGLN(0, ("uds_client_remove_context: error"));
return 1;
}
list_remove_item(uds_client->contexts, index);
g_free(acontext); // TODO free cards
return 0;
}
/*****************************************************************************/
static struct pcsc_card *
context_add_card(struct pcsc_uds_client *uds_client,
struct pcsc_context *acontext,
char *card, int card_bytes)
{
struct pcsc_card *pcscCard;
LLOGLN(10, ("context_add_card: card_bytes %d", card_bytes));
pcscCard = (struct pcsc_card *)
g_malloc(sizeof(struct pcsc_card), 1);
if (pcscCard == 0)
{
LLOGLN(0, ("context_add_card: error"));
return 0;
}
g_autoinc++;
pcscCard->app_card = g_autoinc;
pcscCard->card_bytes = card_bytes;
g_memcpy(pcscCard->card, card, card_bytes);
if (acontext->cards == 0)
{
acontext->cards = list_create();
if (acontext->cards == 0)
{
LLOGLN(0, ("context_add_card: error"));
return 0;
}
}
list_add_item(acontext->cards, (tintptr) pcscCard);
LLOGLN(10, (" new app_card %d", pcscCard->app_card));
return pcscCard;
}
/*****************************************************************************/
int APP_CC
scard_pcsc_get_wait_objs(tbus *objs, int *count, int *timeout)
{
struct pcsc_uds_client *uds_client;
int index;
LLOGLN(10, ("scard_pcsc_get_wait_objs:"));
if (g_lis != 0)
{
trans_get_wait_objs(g_lis, objs, count);
}
if (g_uds_clients != 0)
{
for (index = 0; index < g_uds_clients->count; index++)
{
uds_client = (struct pcsc_uds_client *)
list_get_item(g_uds_clients, index);
if (uds_client != 0)
{
trans_get_wait_objs(uds_client->con, objs, count);
}
}
}
return 0;
}
/*****************************************************************************/
int APP_CC
scard_pcsc_check_wait_objs(void)
{
struct pcsc_uds_client *uds_client;
int index;
LLOGLN(10, ("scard_pcsc_check_wait_objs:"));
if (g_lis != 0)
{
if (trans_check_wait_objs(g_lis) != 0)
{
LLOGLN(0, ("scard_pcsc_check_wait_objs: g_lis trans_check_wait_objs error"));
}
}
if (g_uds_clients != 0)
{
index = 0;
while (index < g_uds_clients->count)
{
uds_client = (struct pcsc_uds_client *)
list_get_item(g_uds_clients, index);
if (uds_client != 0)
{
if (trans_check_wait_objs(uds_client->con) != 0)
{
free_uds_client(uds_client);
list_remove_item(g_uds_clients, index);
continue;
}
}
index++;
}
}
return 0;
}
/*****************************************************************************/
/* returns error */
int APP_CC
scard_process_establish_context(struct trans *con, struct stream *in_s)
{
int dwScope;
struct pcsc_uds_client *uds_client;
void *user_data;
LLOGLN(10, ("scard_process_establish_context:"));
uds_client = (struct pcsc_uds_client *) (con->callback_data);
in_uint32_le(in_s, dwScope);
LLOGLN(10, ("scard_process_establish_context: dwScope 0x%8.8x", dwScope));
user_data = (void *) (tintptr) (uds_client->uds_client_id);
scard_send_establish_context(user_data, dwScope);
return 0;
}
/*****************************************************************************/
/* returns error */
int APP_CC
scard_function_establish_context_return(void *user_data,
struct stream *in_s,
int len, int status)
{
int bytes;
int uds_client_id;
int context_bytes;
int app_context;
char context[16];
struct stream *out_s;
struct pcsc_uds_client *uds_client;
struct trans *con;
struct pcsc_context *lcontext;
LLOGLN(10, ("scard_function_establish_context_return:"));
LLOGLN(10, (" status 0x%8.8x", status));
uds_client_id = (int) (tintptr) user_data;
uds_client = (struct pcsc_uds_client *)
get_uds_client_by_id(uds_client_id);
if (uds_client == 0)
{
LLOGLN(0, ("scard_function_establish_context_return: "
"get_uds_client_by_id failed"));
return 1;
}
con = uds_client->con;
lcontext = 0;
app_context = 0;
g_memset(context, 0, 16);
if (status == 0)
{
in_uint8s(in_s, 28);
in_uint32_le(in_s, context_bytes);
if (context_bytes > 16)
{
LLOGLN(0, ("scard_function_establish_context_return: opps "
"context_bytes %d", context_bytes));
g_hexdump(in_s->p, context_bytes);
return 1;
}
in_uint8a(in_s, context, context_bytes);
lcontext = uds_client_add_context(uds_client, context, context_bytes);
app_context = lcontext->app_context;
LLOGLN(10, ("scard_function_establish_context_return: "
"app_context %d", app_context));
}
out_s = trans_get_out_s(con, 8192);
s_push_layer(out_s, iso_hdr, 8);
out_uint32_le(out_s, app_context);
out_uint32_le(out_s, status); /* SCARD_S_SUCCESS status */
s_mark_end(out_s);
bytes = (int) (out_s->end - out_s->data);
s_pop_layer(out_s, iso_hdr);
out_uint32_le(out_s, bytes - 8);
out_uint32_le(out_s, 0x01); /* SCARD_ESTABLISH_CONTEXT 0x01 */
return trans_force_write(con);
}
/*****************************************************************************/
/* returns error */
int APP_CC
scard_process_release_context(struct trans *con, struct stream *in_s)
{
int hContext;
struct pcsc_uds_client *uds_client;
struct pcsc_context *lcontext;
void *user_data;
LLOGLN(10, ("scard_process_release_context:"));
uds_client = (struct pcsc_uds_client *) (con->callback_data);
in_uint32_le(in_s, hContext);
LLOGLN(10, ("scard_process_release_context: hContext 0x%8.8x", hContext));
user_data = (void *) (tintptr) (uds_client->uds_client_id);
lcontext = get_pcsc_context_by_app_context(uds_client, hContext);
if (lcontext == 0)
{
LLOGLN(0, ("scard_process_release_context: "
"get_pcsc_context_by_app_context failed"));
return 1;
}
scard_send_release_context(user_data, lcontext->context,
lcontext->context_bytes);
uds_client_remove_context(uds_client, lcontext);
return 0;
}
/*****************************************************************************/
/* returns error */
int APP_CC
scard_function_release_context_return(void *user_data,
struct stream *in_s,
int len, int status)
{
int bytes;
int uds_client_id;
struct stream *out_s;
struct pcsc_uds_client *uds_client;
struct trans *con;
LLOGLN(10, ("scard_function_release_context_return:"));
LLOGLN(10, (" status 0x%8.8x", status));
uds_client_id = (int) (tintptr) user_data;
uds_client = (struct pcsc_uds_client *)
get_uds_client_by_id(uds_client_id);
if (uds_client == 0)
{
LLOGLN(0, ("scard_function_release_context_return: "
"get_uds_client_by_id failed"));
return 1;
}
con = uds_client->con;
out_s = trans_get_out_s(con, 8192);
s_push_layer(out_s, iso_hdr, 8);
out_uint32_le(out_s, status); /* SCARD_S_SUCCESS status */
s_mark_end(out_s);
bytes = (int) (out_s->end - out_s->data);
s_pop_layer(out_s, iso_hdr);
out_uint32_le(out_s, bytes - 8);
out_uint32_le(out_s, 0x02); /* SCARD_RELEASE_CONTEXT 0x02 */
return trans_force_write(con);
}
/*****************************************************************************/
struct pcsc_list_readers
{
int uds_client_id;
int cchReaders;
};
/*****************************************************************************/
/* returns error */
int APP_CC
scard_process_list_readers(struct trans *con, struct stream *in_s)
{
int hContext;
int bytes_groups;
int cchReaders;
char *groups;
struct pcsc_uds_client *uds_client;
struct pcsc_context *lcontext;
struct pcsc_list_readers *pcscListReaders;
LLOGLN(10, ("scard_process_list_readers:"));
uds_client = (struct pcsc_uds_client *) (con->callback_data);
in_uint32_le(in_s, hContext);
in_uint32_le(in_s, bytes_groups);
groups = (char *) g_malloc(bytes_groups + 1, 1);
in_uint8a(in_s, groups, bytes_groups);
in_uint32_le(in_s, cchReaders);
LLOGLN(10, ("scard_process_list_readers: hContext 0x%8.8x cchReaders %d",
hContext, cchReaders));
lcontext = get_pcsc_context_by_app_context(uds_client, hContext);
if (lcontext == 0)
{
LLOGLN(0, ("scard_process_list_readers: "
"get_pcsc_context_by_app_context failed"));
g_free(groups);
return 1;
}
pcscListReaders = g_malloc(sizeof(struct pcsc_list_readers), 1);
pcscListReaders->uds_client_id = uds_client->uds_client_id;
pcscListReaders->cchReaders = cchReaders;
scard_send_list_readers(pcscListReaders, lcontext->context,
lcontext->context_bytes, groups, cchReaders, 1);
g_free(groups);
return 0;
}
/*****************************************************************************/
int APP_CC
scard_function_list_readers_return(void *user_data,
struct stream *in_s,
int len, int status)
{
struct stream *out_s;
int chr;
int readers;
int rn_index;
int index;
int bytes;
int cchReaders;
int llen;
int uds_client_id;
twchar reader_name[100];
char lreader_name[16][100];
struct pcsc_uds_client *uds_client;
struct trans *con;
struct pcsc_list_readers *pcscListReaders;
LLOGLN(10, ("scard_function_list_readers_return:"));
LLOGLN(10, (" status 0x%8.8x", status));
pcscListReaders = (struct pcsc_list_readers *) user_data;
if (pcscListReaders == 0)
{
LLOGLN(0, ("scard_function_list_readers_return: "
"pcscListReaders is nil"));
return 1;
}
uds_client_id = pcscListReaders->uds_client_id;
cchReaders = pcscListReaders->cchReaders;
g_free(pcscListReaders);
uds_client = (struct pcsc_uds_client *)
get_uds_client_by_id(uds_client_id);
if (uds_client == 0)
{
LLOGLN(0, ("scard_function_list_readers_return: "
"get_uds_client_by_id failed, could not find id %d",
uds_client_id));
return 1;
}
con = uds_client->con;
g_memset(reader_name, 0, sizeof(reader_name));
g_memset(lreader_name, 0, sizeof(lreader_name));
rn_index = 0;
readers = 0;
llen = 0;
if (status == 0)
{
in_uint8s(in_s, 28);
in_uint32_le(in_s, len);
llen = len;
if (cchReaders > 0)
{
while (len > 0)
{
in_uint16_le(in_s, chr);
len -= 2;
if (chr == 0)
{
if (reader_name[0] != 0)
{
g_wcstombs(lreader_name[readers], reader_name, 99);
g_memset(reader_name, 0, sizeof(reader_name));
readers++;
}
reader_name[0] = 0;
rn_index = 0;
}
else
{
reader_name[rn_index] = chr;
rn_index++;
}
}
}
if (rn_index > 0)
{
if (reader_name[0] != 0)
{
g_wcstombs(lreader_name[readers], reader_name, 99);
g_memset(reader_name, 0, sizeof(reader_name));
readers++;
}
}
}
out_s = trans_get_out_s(con, 8192);
s_push_layer(out_s, iso_hdr, 8);
out_uint32_le(out_s, llen);
out_uint32_le(out_s, readers);
for (index = 0; index < readers; index++)
{
out_uint8a(out_s, lreader_name[index], 100);
}
out_uint32_le(out_s, status); /* SCARD_S_SUCCESS status */
s_mark_end(out_s);
bytes = (int) (out_s->end - out_s->data);
s_pop_layer(out_s, iso_hdr);
out_uint32_le(out_s, bytes - 8);
out_uint32_le(out_s, 0x03); /* SCARD_LIST_READERS 0x03 */
return trans_force_write(con);
}
/*****************************************************************************/
/* returns error */
int APP_CC
scard_process_connect(struct trans *con, struct stream *in_s)
{
int hContext;
READER_STATE rs;
struct pcsc_uds_client *uds_client;
void *user_data;
struct pcsc_context *lcontext;
LLOGLN(10, ("scard_process_connect:"));
uds_client = (struct pcsc_uds_client *) (con->callback_data);
g_memset(&rs, 0, sizeof(rs));
in_uint32_le(in_s, hContext);
in_uint8a(in_s, rs.reader_name, 100);
in_uint32_le(in_s, rs.dwShareMode);
in_uint32_le(in_s, rs.dwPreferredProtocols);
LLOGLN(10, ("scard_process_connect: rs.reader_name %s dwShareMode 0x%8.8x "
"dwPreferredProtocols 0x%8.8x", rs.reader_name, rs.dwShareMode,
rs.dwPreferredProtocols));
user_data = (void *) (tintptr) (uds_client->uds_client_id);
lcontext = get_pcsc_context_by_app_context(uds_client, hContext);
if (lcontext == 0)
{
LLOGLN(0, ("scard_process_connect: "
"get_pcsc_context_by_app_context failed"));
return 1;
}
uds_client->connect_context = lcontext;
scard_send_connect(user_data, lcontext->context, lcontext->context_bytes,
1, &rs);
return 0;
}
/*****************************************************************************/
int APP_CC
scard_function_connect_return(void *user_data,
struct stream *in_s,
int len, int status)
{
int dwActiveProtocol;
int hCard;
int bytes;
int uds_client_id;
struct stream *out_s;
struct pcsc_uds_client *uds_client;
struct trans *con;
char *card;
int card_bytes;
struct pcsc_card *lcard;
LLOGLN(10, ("scard_function_connect_return:"));
LLOGLN(10, (" status 0x%8.8x", status));
uds_client_id = (int) (tintptr) user_data;
uds_client = (struct pcsc_uds_client *)
get_uds_client_by_id(uds_client_id);
if (uds_client == 0)
{
LLOGLN(0, ("scard_function_connect_return: "
"get_uds_client_by_id failed"));
return 1;
}
con = uds_client->con;
dwActiveProtocol = 0;
hCard = 0;
if (status == 0)
{
in_uint8s(in_s, 36);
in_uint32_le(in_s, dwActiveProtocol);
if (len > 40)
{
in_uint32_le(in_s, card_bytes);
in_uint8p(in_s, card, card_bytes);
lcard = context_add_card(uds_client, uds_client->connect_context,
card, card_bytes);
hCard = lcard->app_card;
LLOGLN(10, (" hCard %d dwActiveProtocol %d", hCard,
dwActiveProtocol));
}
else
{
status = 0x8010000F; /* SCARD_E_PROTO_MISMATCH */
}
}
out_s = trans_get_out_s(con, 8192);
s_push_layer(out_s, iso_hdr, 8);
out_uint32_le(out_s, hCard);
out_uint32_le(out_s, dwActiveProtocol);
out_uint32_le(out_s, status); /* SCARD_S_SUCCESS status */
s_mark_end(out_s);
bytes = (int) (out_s->end - out_s->data);
s_pop_layer(out_s, iso_hdr);
out_uint32_le(out_s, bytes - 8);
out_uint32_le(out_s, 0x04); /* SCARD_CONNECT 0x04 */
return trans_force_write(con);
}
/*****************************************************************************/
/* returns error */
int APP_CC
scard_process_disconnect(struct trans *con, struct stream *in_s)
{
int hCard;
int dwDisposition;
struct pcsc_uds_client *uds_client;
void *user_data;
struct pcsc_context *lcontext;
struct pcsc_card *lcard;
LLOGLN(10, ("scard_process_disconnect:"));
uds_client = (struct pcsc_uds_client *) (con->callback_data);
in_uint32_le(in_s, hCard);
in_uint32_le(in_s, dwDisposition);
user_data = (void *) (tintptr) (uds_client->uds_client_id);
lcard = get_pcsc_card_by_app_card(uds_client, hCard, &lcontext);
if ((lcontext == 0) || (lcard == 0))
{
LLOGLN(0, ("scard_process_disconnect: "
"get_pcsc_card_by_app_card failed"));
return 1;
}
scard_send_disconnect(user_data,
lcontext->context, lcontext->context_bytes,
lcard->card, lcard->card_bytes, dwDisposition);
return 0;
}
/*****************************************************************************/
int APP_CC
scard_function_disconnect_return(void *user_data,
struct stream *in_s,
int len, int status)
{
int bytes;
int uds_client_id;
struct stream *out_s;
struct pcsc_uds_client *uds_client;
struct trans *con;
LLOGLN(10, ("scard_function_disconnect_return:"));
LLOGLN(10, (" status 0x%8.8x", status));
uds_client_id = (int) (tintptr) user_data;
uds_client = (struct pcsc_uds_client *)
get_uds_client_by_id(uds_client_id);
if (uds_client == 0)
{
LLOGLN(0, ("scard_function_disconnect_return: "
"get_uds_client_by_id failed"));
return 1;
}
con = uds_client->con;
out_s = trans_get_out_s(con, 8192);
s_push_layer(out_s, iso_hdr, 8);
out_uint32_le(out_s, status); /* SCARD_S_SUCCESS status */
s_mark_end(out_s);
bytes = (int) (out_s->end - out_s->data);
s_pop_layer(out_s, iso_hdr);
out_uint32_le(out_s, bytes - 8);
out_uint32_le(out_s, 0x06); /* SCARD_DISCONNECT 0x06 */
return trans_force_write(con);
}
/*****************************************************************************/
/* returns error */
int APP_CC
scard_process_begin_transaction(struct trans *con, struct stream *in_s)
{
int hCard;
struct pcsc_uds_client *uds_client;
void *user_data;
struct pcsc_card *lcard;
struct pcsc_context *lcontext;
LLOGLN(10, ("scard_process_begin_transaction:"));
uds_client = (struct pcsc_uds_client *) (con->callback_data);
in_uint32_le(in_s, hCard);
LLOGLN(10, ("scard_process_begin_transaction: hCard 0x%8.8x", hCard));
user_data = (void *) (tintptr) (uds_client->uds_client_id);
lcard = get_pcsc_card_by_app_card(uds_client, hCard, &lcontext);
if ((lcard == 0) || (lcontext == 0))
{
LLOGLN(0, ("scard_process_begin_transaction: "
"get_pcsc_card_by_app_card failed"));
return 1;
}
scard_send_begin_transaction(user_data,
lcontext->context, lcontext->context_bytes,
lcard->card, lcard->card_bytes);
return 0;
}
/*****************************************************************************/
/* returns error */
int APP_CC
scard_function_begin_transaction_return(void *user_data,
struct stream *in_s,
int len, int status)
{
struct stream *out_s;
int bytes;
int uds_client_id;
struct pcsc_uds_client *uds_client;
struct trans *con;
LLOGLN(10, ("scard_function_begin_transaction_return:"));
LLOGLN(10, (" status 0x%8.8x", status));
uds_client_id = (int) (tintptr) user_data;
uds_client = (struct pcsc_uds_client *)
get_uds_client_by_id(uds_client_id);
if (uds_client == 0)
{
LLOGLN(0, ("scard_function_begin_transaction_return: "
"get_uds_client_by_id failed"));
return 1;
}
con = uds_client->con;
out_s = trans_get_out_s(con, 8192);
s_push_layer(out_s, iso_hdr, 8);
out_uint32_le(out_s, status); /* SCARD_S_SUCCESS status */
s_mark_end(out_s);
bytes = (int) (out_s->end - out_s->data);
s_pop_layer(out_s, iso_hdr);
out_uint32_le(out_s, bytes - 8);
out_uint32_le(out_s, 0x07); /* SCARD_BEGIN_TRANSACTION 0x07 */
return trans_force_write(con);
}
/*****************************************************************************/
/* returns error */
int APP_CC
scard_process_end_transaction(struct trans *con, struct stream *in_s)
{
int hCard;
int dwDisposition;
struct pcsc_uds_client *uds_client;
void *user_data;
struct pcsc_card *lcard;
struct pcsc_context *lcontext;
LLOGLN(10, ("scard_process_end_transaction:"));
uds_client = (struct pcsc_uds_client *) (con->callback_data);
in_uint32_le(in_s, hCard);
in_uint32_le(in_s, dwDisposition);
LLOGLN(10, ("scard_process_end_transaction: hCard 0x%8.8x", hCard));
user_data = (void *) (tintptr) (uds_client->uds_client_id);
lcard = get_pcsc_card_by_app_card(uds_client, hCard, &lcontext);
if ((lcard == 0) || (lcontext == 0))
{
LLOGLN(0, ("scard_process_end_transaction: "
"get_pcsc_card_by_app_card failed"));
return 1;
}
scard_send_end_transaction(user_data,
lcontext->context, lcontext->context_bytes,
lcard->card, lcard->card_bytes,
dwDisposition);
return 0;
}
/*****************************************************************************/
/* returns error */
int APP_CC
scard_function_end_transaction_return(void *user_data,
struct stream *in_s,
int len, int status)
{
struct stream *out_s;
int bytes;
int uds_client_id;
struct pcsc_uds_client *uds_client;
struct trans *con;
LLOGLN(10, ("scard_function_end_transaction_return:"));
LLOGLN(10, (" status 0x%8.8x", status));
uds_client_id = (int) (tintptr) user_data;
uds_client = (struct pcsc_uds_client *)
get_uds_client_by_id(uds_client_id);
if (uds_client == 0)
{
LLOGLN(0, ("scard_function_end_transaction_return: "
"get_uds_client_by_id failed"));
return 1;
}
con = uds_client->con;
out_s = trans_get_out_s(con, 8192);
s_push_layer(out_s, iso_hdr, 8);
out_uint32_le(out_s, status); /* SCARD_S_SUCCESS status */
s_mark_end(out_s);
bytes = (int) (out_s->end - out_s->data);
s_pop_layer(out_s, iso_hdr);
out_uint32_le(out_s, bytes - 8);
out_uint32_le(out_s, 0x08); /* SCARD_END_TRANSACTION 0x08 */
return trans_force_write(con);
}
/*****************************************************************************/
/* returns error */
int APP_CC
scard_function_get_attrib_return(void *user_data,
struct stream *in_s,
int len, int status)
{
return 0;
}
/*****************************************************************************/
struct pcsc_transmit
{
int uds_client_id;
struct xrdp_scard_io_request recv_ior;
int cbRecvLength;
};
/*****************************************************************************/
/* returns error */
int APP_CC
scard_process_transmit(struct trans *con, struct stream *in_s)
{
int hCard;
int recv_bytes;
int send_bytes;
char *send_data;
struct xrdp_scard_io_request send_ior;
struct xrdp_scard_io_request recv_ior;
struct pcsc_uds_client *uds_client;
struct pcsc_card *lcard;
struct pcsc_context *lcontext;
struct pcsc_transmit *pcscTransmit;
LLOGLN(10, ("scard_process_transmit:"));
uds_client = (struct pcsc_uds_client *) (con->callback_data);
LLOGLN(10, ("scard_process_transmit:"));
in_uint32_le(in_s, hCard);
in_uint32_le(in_s, send_ior.dwProtocol);
in_uint32_le(in_s, send_ior.cbPciLength);
in_uint32_le(in_s, send_ior.extra_bytes);
in_uint8p(in_s, send_ior.extra_data, send_ior.extra_bytes);
in_uint32_le(in_s, send_bytes);
in_uint8p(in_s, send_data, send_bytes);
in_uint32_le(in_s, recv_ior.dwProtocol);
in_uint32_le(in_s, recv_ior.cbPciLength);
in_uint32_le(in_s, recv_ior.extra_bytes);
in_uint8p(in_s, recv_ior.extra_data, recv_ior.extra_bytes);
in_uint32_le(in_s, recv_bytes);
LLOGLN(10, ("scard_process_transmit: send dwProtocol %d cbPciLength %d "
"recv dwProtocol %d cbPciLength %d send_bytes %d ",
send_ior.dwProtocol, send_ior.cbPciLength, recv_ior.dwProtocol,
recv_ior.cbPciLength, send_bytes));
LLOGLN(10, ("scard_process_transmit: recv_bytes %d", recv_bytes));
lcard = get_pcsc_card_by_app_card(uds_client, hCard, &lcontext);
if ((lcard == 0) || (lcontext == 0))
{
LLOGLN(0, ("scard_process_transmit: "
"get_pcsc_card_by_app_card failed"));
return 1;
}
pcscTransmit = (struct pcsc_transmit *)
g_malloc(sizeof(struct pcsc_transmit), 1);
pcscTransmit->uds_client_id = uds_client->uds_client_id;
pcscTransmit->recv_ior = recv_ior;
pcscTransmit->cbRecvLength = recv_bytes;
scard_send_transmit(pcscTransmit,
lcontext->context, lcontext->context_bytes,
lcard->card, lcard->card_bytes,
send_data, send_bytes, recv_bytes,
&send_ior, &recv_ior);
return 0;
}
/*****************************************************************************/
/* returns error */
int APP_CC
scard_function_transmit_return(void *user_data,
struct stream *in_s,
int len, int status)
{
struct stream *out_s;
int bytes;
int val;
int cbRecvLength;
char *recvBuf;
struct xrdp_scard_io_request recv_ior;
struct pcsc_uds_client *uds_client;
struct trans *con;
struct pcsc_transmit *pcscTransmit;
LLOGLN(10, ("scard_function_transmit_return:"));
LLOGLN(10, (" status 0x%8.8x", status));
pcscTransmit = (struct pcsc_transmit *) user_data;
recv_ior = pcscTransmit->recv_ior;
uds_client = (struct pcsc_uds_client *)
get_uds_client_by_id(pcscTransmit->uds_client_id);
g_free(pcscTransmit);
if (uds_client == 0)
{
LLOGLN(0, ("scard_function_transmit_return: "
"get_uds_client_by_id failed"));
return 1;
}
con = uds_client->con;
cbRecvLength = 0;
recvBuf = 0;
if (status == 0)
{
in_uint8s(in_s, 20);
in_uint32_le(in_s, val);
if (val != 0)
{
/* pioRecvPci */
in_uint8s(in_s, 8);
in_uint32_le(in_s, recv_ior.dwProtocol);
in_uint32_le(in_s, recv_ior.cbPciLength);
recv_ior.cbPciLength += 8;
in_uint32_le(in_s, recv_ior.extra_bytes);
if (recv_ior.extra_bytes > 0)
{
in_uint8p(in_s, recv_ior.extra_data, recv_ior.extra_bytes);
}
}
in_uint8s(in_s, 4);
in_uint32_le(in_s, val);
if (val != 0)
{
in_uint32_le(in_s, cbRecvLength);
in_uint8p(in_s, recvBuf, cbRecvLength);
}
}
LLOGLN(10, ("scard_function_transmit_return: cbRecvLength %d", cbRecvLength));
out_s = trans_get_out_s(con, 8192);
s_push_layer(out_s, iso_hdr, 8);
out_uint32_le(out_s, recv_ior.dwProtocol);
out_uint32_le(out_s, recv_ior.cbPciLength);
out_uint32_le(out_s, recv_ior.extra_bytes);
out_uint8a(out_s, recv_ior.extra_data, recv_ior.extra_bytes);
out_uint32_le(out_s, cbRecvLength);
out_uint8a(out_s, recvBuf, cbRecvLength);
out_uint32_le(out_s, status); /* SCARD_S_SUCCESS status */
s_mark_end(out_s);
bytes = (int) (out_s->end - out_s->data);
s_pop_layer(out_s, iso_hdr);
out_uint32_le(out_s, bytes - 8);
out_uint32_le(out_s, 0x09); /* SCARD_TRANSMIT 0x09 */
return trans_force_write(con);
}
/*****************************************************************************/
/* returns error */
int APP_CC
scard_process_control(struct trans *con, struct stream *in_s)
{
int hCard;
int send_bytes;
int recv_bytes;
int control_code;
char *send_data;
struct pcsc_uds_client *uds_client;
void *user_data;
struct pcsc_context *lcontext;
struct pcsc_card *lcard;
LLOGLN(10, ("scard_process_control:"));
uds_client = (struct pcsc_uds_client *) (con->callback_data);
LLOGLN(10, ("scard_process_control:"));
in_uint32_le(in_s, hCard);
in_uint32_le(in_s, control_code);
in_uint32_le(in_s, send_bytes);
in_uint8p(in_s, send_data, send_bytes);
in_uint32_le(in_s, recv_bytes);
user_data = (void *) (tintptr) (uds_client->uds_client_id);
lcard = get_pcsc_card_by_app_card(uds_client, hCard, &lcontext);
if ((lcard == 0) || (lcontext == 0))
{
LLOGLN(0, ("scard_process_control: "
"get_pcsc_card_by_app_card failed"));
return 1;
}
scard_send_control(user_data, lcontext->context, lcontext->context_bytes,
lcard->card, lcard->card_bytes,
send_data, send_bytes, recv_bytes,
control_code);
return 0;
}
/*****************************************************************************/
/* returns error */
int APP_CC
scard_function_control_return(void *user_data,
struct stream *in_s,
int len, int status)
{
struct stream *out_s;
int bytes;
int cbRecvLength;
char *recvBuf;
int uds_client_id;
struct pcsc_uds_client *uds_client;
struct trans *con;
LLOGLN(10, ("scard_function_control_return:"));
LLOGLN(10, (" status 0x%8.8x", status));
uds_client_id = (int) (tintptr) user_data;
uds_client = (struct pcsc_uds_client *)
get_uds_client_by_id(uds_client_id);
if (uds_client == 0)
{
LLOGLN(0, ("scard_function_control_return: "
"get_uds_client_by_id failed"));
return 1;
}
con = uds_client->con;
cbRecvLength = 0;
recvBuf = 0;
if (status == 0)
{
in_uint8s(in_s, 28);
in_uint32_le(in_s, cbRecvLength);
in_uint8p(in_s, recvBuf, cbRecvLength);
}
LLOGLN(10, ("scard_function_control_return: cbRecvLength %d", cbRecvLength));
out_s = trans_get_out_s(con, 8192);
s_push_layer(out_s, iso_hdr, 8);
out_uint32_le(out_s, cbRecvLength);
out_uint8a(out_s, recvBuf, cbRecvLength);
out_uint32_le(out_s, status); /* SCARD_S_SUCCESS status */
s_mark_end(out_s);
bytes = (int) (out_s->end - out_s->data);
s_pop_layer(out_s, iso_hdr);
out_uint32_le(out_s, bytes - 8);
out_uint32_le(out_s, 0x0A); /* SCARD_CONTROL 0x0A */
return trans_force_write(con);
}
/*****************************************************************************/
struct pcsc_status
{
int uds_client_id;
int cchReaderLen;
};
/*****************************************************************************/
/* returns error */
int APP_CC
scard_process_status(struct trans *con, struct stream *in_s)
{
int hCard;
int cchReaderLen;
int cbAtrLen;
struct pcsc_uds_client *uds_client;
struct pcsc_card *lcard;
struct pcsc_context *lcontext;
struct pcsc_status *pcscStatus;
LLOGLN(10, ("scard_process_status:"));
uds_client = (struct pcsc_uds_client *) (con->callback_data);
in_uint32_le(in_s, hCard);
in_uint32_le(in_s, cchReaderLen);
in_uint32_le(in_s, cbAtrLen);
LLOGLN(10, ("scard_process_status: hCard 0x%8.8x cchReaderLen %d "
"cbAtrLen %d", hCard, cchReaderLen, cbAtrLen));
lcard = get_pcsc_card_by_app_card(uds_client, hCard, &lcontext);
if ((lcard == 0) || (lcontext == 0))
{
LLOGLN(0, ("scard_process_status: "
"get_pcsc_card_by_app_card failed"));
return 1;
}
pcscStatus = (struct pcsc_status *) g_malloc(sizeof(struct pcsc_status), 1);
pcscStatus->uds_client_id = uds_client->uds_client_id;
pcscStatus->cchReaderLen = cchReaderLen;
scard_send_status(pcscStatus, 1,
lcontext->context, lcontext->context_bytes,
lcard->card, lcard->card_bytes,
cchReaderLen, cbAtrLen);
return 0;
}
#define MS_SCARD_UNKNOWN 0
#define MS_SCARD_ABSENT 1
#define MS_SCARD_PRESENT 2
#define MS_SCARD_SWALLOWED 3
#define MS_SCARD_POWERED 4
#define MS_SCARD_NEGOTIABLE 5
#define MS_SCARD_SPECIFIC 6
#define PC_SCARD_UNKNOWN 0x0001 /**< Unknown state */
#define PC_SCARD_ABSENT 0x0002 /**< Card is absent */
#define PC_SCARD_PRESENT 0x0004 /**< Card is present */
#define PC_SCARD_SWALLOWED 0x0008 /**< Card not powered */
#define PC_SCARD_POWERED 0x0010 /**< Card is powered */
#define PC_SCARD_NEGOTIABLE 0x0020 /**< Ready for PTS */
#define PC_SCARD_SPECIFIC 0x0040 /**< PTS has been set */
static int g_ms2pc[] = { PC_SCARD_UNKNOWN, PC_SCARD_ABSENT,
PC_SCARD_PRESENT, PC_SCARD_SWALLOWED,
PC_SCARD_POWERED, PC_SCARD_NEGOTIABLE,
PC_SCARD_SPECIFIC };
/*****************************************************************************/
/* returns error */
int APP_CC
scard_function_status_return(void *user_data,
struct stream *in_s,
int len, int status)
{
struct stream *out_s;
int index;
int bytes;
int dwReaderLen;
int dwState;
int dwProtocol;
int dwAtrLen;
char attr[32];
twchar reader_name[100];
char lreader_name[100];
int uds_client_id;
struct pcsc_uds_client *uds_client;
struct trans *con;
struct pcsc_status *pcscStatus;
LLOGLN(10, ("scard_function_status_return:"));
LLOGLN(10, (" status 0x%8.8x", status));
pcscStatus = (struct pcsc_status *) user_data;
if (pcscStatus == 0)
{
LLOGLN(0, ("scard_function_status_return: pcscStatus is nil"));
return 1;
}
uds_client_id = pcscStatus->uds_client_id;
uds_client = (struct pcsc_uds_client *)
get_uds_client_by_id(uds_client_id);
if (uds_client == 0)
{
LLOGLN(0, ("scard_function_status_return: "
"get_uds_client_by_id failed"));
g_free(pcscStatus);
return 1;
}
g_free(pcscStatus);
con = uds_client->con;
dwReaderLen = 0;
dwState = 0;
dwProtocol = 0;
dwAtrLen = 0;
lreader_name[0] = 0;
if (status == 0)
{
in_uint8s(in_s, 20);
in_uint32_le(in_s, dwReaderLen);
in_uint8s(in_s, 4);
in_uint32_le(in_s, dwState);
dwState = g_ms2pc[dwState % 6];
in_uint32_le(in_s, dwProtocol);
in_uint8a(in_s, attr, 32);
in_uint32_le(in_s, dwAtrLen);
if (dwReaderLen > 0)
{
in_uint32_le(in_s, dwReaderLen);
dwReaderLen /= 2;
}
else
{
dwReaderLen = 1;
}
if (dwReaderLen < 1)
{
LLOGLN(0, ("scard_function_status_return: dwReaderLen < 1"));
dwReaderLen = 1;
}
if (dwReaderLen > 99)
{
LLOGLN(0, ("scard_function_status_return: dwReaderLen too big "
"0x%8.8x", dwReaderLen));
dwReaderLen = 99;
}
g_memset(reader_name, 0, sizeof(reader_name));
g_memset(lreader_name, 0, sizeof(lreader_name));
for (index = 0; index < dwReaderLen - 1; index++)
{
in_uint16_le(in_s, reader_name[index]);
}
g_wcstombs(lreader_name, reader_name, 99);
}
LLOGLN(10, ("scard_function_status_return: dwAtrLen %d dwReaderLen %d "
"dwProtocol %d dwState %d name %s",
dwAtrLen, dwReaderLen, dwProtocol, dwState, lreader_name));
out_s = trans_get_out_s(con, 8192);
s_push_layer(out_s, iso_hdr, 8);
dwReaderLen = g_strlen(lreader_name);
out_uint32_le(out_s, dwReaderLen);
out_uint8a(out_s, lreader_name, dwReaderLen);
out_uint32_le(out_s, dwState);
out_uint32_le(out_s, dwProtocol);
out_uint32_le(out_s, dwAtrLen);
out_uint8a(out_s, attr, dwAtrLen);
out_uint32_le(out_s, status); /* SCARD_S_SUCCESS status */
s_mark_end(out_s);
bytes = (int) (out_s->end - out_s->data);
s_pop_layer(out_s, iso_hdr);
out_uint32_le(out_s, bytes - 8);
out_uint32_le(out_s, 0x0B); /* SCARD_STATUS 0x0B */
return trans_force_write(con);
}
/*****************************************************************************/
/* returns error */
int APP_CC
scard_process_get_status_change(struct trans *con, struct stream *in_s)
{
int index;
int hContext;
int dwTimeout;
int cReaders;
READER_STATE *rsa;
struct pcsc_uds_client *uds_client;
void *user_data;
struct pcsc_context *lcontext;
LLOGLN(10, ("scard_process_get_status_change:"));
uds_client = (struct pcsc_uds_client *) (con->callback_data);
in_uint32_le(in_s, hContext);
in_uint32_le(in_s, dwTimeout);
in_uint32_le(in_s, cReaders);
if ((cReaders < 0) || (cReaders > 16))
{
LLOGLN(0, ("scard_process_get_status_change: bad cReaders %d", cReaders));
return 1;
}
rsa = (READER_STATE *) g_malloc(sizeof(READER_STATE) * cReaders, 1);
for (index = 0; index < cReaders; index++)
{
in_uint8a(in_s, rsa[index].reader_name, 100);
LLOGLN(10, ("scard_process_get_status_change: reader_name %s",
rsa[index].reader_name));
in_uint32_le(in_s, rsa[index].current_state);
LLOGLN(10, ("scard_process_get_status_change: current_state %d",
rsa[index].current_state));
in_uint32_le(in_s, rsa[index].event_state);
LLOGLN(10, ("scard_process_get_status_change: event_state %d",
rsa[index].event_state));
in_uint32_le(in_s, rsa[index].atr_len);
LLOGLN(10, ("scard_process_get_status_change: atr_len %d",
rsa[index].atr_len));
in_uint8a(in_s, rsa[index].atr, 36);
}
LLOGLN(10, ("scard_process_get_status_change: hContext 0x%8.8x dwTimeout "
"%d cReaders %d", hContext, dwTimeout, cReaders));
user_data = (void *) (tintptr) (uds_client->uds_client_id);
lcontext = get_pcsc_context_by_app_context(uds_client, hContext);
if (lcontext == 0)
{
LLOGLN(0, ("scard_process_get_status_change: "
"get_pcsc_context_by_app_context failed"));
g_free(rsa);
return 1;
}
scard_send_get_status_change(user_data,
lcontext->context, lcontext->context_bytes,
1, dwTimeout, cReaders, rsa);
g_free(rsa);
return 0;
}
/*****************************************************************************/
int APP_CC
scard_function_get_status_change_return(void *user_data,
struct stream *in_s,
int len, int status)
{
int bytes;
int index;
int cReaders;
tui32 current_state;
tui32 event_state;
tui32 atr_len; /* number of bytes in atr[] */
tui8 atr[36];
struct stream *out_s;
int uds_client_id;
struct pcsc_uds_client *uds_client;
struct trans *con;
LLOGLN(10, ("scard_function_get_status_change_return:"));
LLOGLN(10, (" status 0x%8.8x", status));
uds_client_id = (int) (tintptr) user_data;
uds_client = (struct pcsc_uds_client *)
get_uds_client_by_id(uds_client_id);
if (uds_client == 0)
{
LLOGLN(0, ("scard_function_get_status_change_return: "
"get_uds_client_by_id failed"));
return 1;
}
con = uds_client->con;
out_s = trans_get_out_s(con, 8192);
s_push_layer(out_s, iso_hdr, 8);
if (status != 0)
{
out_uint32_le(out_s, 0); /* cReaders */
out_uint32_le(out_s, status); /* SCARD_S_SUCCESS status */
}
else
{
in_uint8s(in_s, 28);
in_uint32_le(in_s, cReaders);
LLOGLN(10, (" cReaders %d", cReaders));
out_uint32_le(out_s, cReaders);
if (cReaders > 0)
{
for (index = 0; index < cReaders; index++)
{
in_uint32_le(in_s, current_state);
out_uint32_le(out_s, current_state);
in_uint32_le(in_s, event_state);
out_uint32_le(out_s, event_state);
in_uint32_le(in_s, atr_len);
out_uint32_le(out_s, atr_len);
in_uint8a(in_s, atr, 36);
out_uint8a(out_s, atr, 36);
}
}
out_uint32_le(out_s, status); /* SCARD_S_SUCCESS status */
}
s_mark_end(out_s);
bytes = (int) (out_s->end - out_s->data);
s_pop_layer(out_s, iso_hdr);
out_uint32_le(out_s, bytes - 8);
out_uint32_le(out_s, 0x0C); /* SCARD_ESTABLISH_CONTEXT 0x0C */
return trans_force_write(con);
}
/*****************************************************************************/
/* returns error */
int APP_CC
scard_process_cancel(struct trans *con, struct stream *in_s)
{
int hContext;
struct pcsc_uds_client *uds_client;
void *user_data;
struct pcsc_context *lcontext;
LLOGLN(10, ("scard_process_cancel:"));
uds_client = (struct pcsc_uds_client *) (con->callback_data);
in_uint32_le(in_s, hContext);
LLOGLN(10, ("scard_process_cancel: hContext 0x%8.8x", hContext));
user_data = (void *) (tintptr) (uds_client->uds_client_id);
lcontext = get_pcsc_context_by_app_context(uds_client, hContext);
if (lcontext == 0)
{
LLOGLN(0, ("scard_process_cancel: "
"get_pcsc_context_by_app_context failed"));
return 1;
}
scard_send_cancel(user_data, lcontext->context, lcontext->context_bytes);
return 0;
}
/*****************************************************************************/
/* returns error */
int APP_CC
scard_function_cancel_return(void *user_data,
struct stream *in_s,
int len, int status)
{
int bytes;
int uds_client_id;
struct stream *out_s;
struct pcsc_uds_client *uds_client;
struct trans *con;
LLOGLN(10, ("scard_function_cancel_return:"));
LLOGLN(10, (" status 0x%8.8x", status));
uds_client_id = (int) (tintptr) user_data;
uds_client = (struct pcsc_uds_client *)
get_uds_client_by_id(uds_client_id);
if (uds_client == 0)
{
LLOGLN(0, ("scard_function_cancel_return: "
"get_uds_client_by_id failed"));
return 1;
}
con = uds_client->con;
out_s = trans_get_out_s(con, 8192);
s_push_layer(out_s, iso_hdr, 8);
out_uint32_le(out_s, status); /* SCARD_S_SUCCESS status */
s_mark_end(out_s);
bytes = (int) (out_s->end - out_s->data);
s_pop_layer(out_s, iso_hdr);
out_uint32_le(out_s, bytes - 8);
out_uint32_le(out_s, 0x0D); /* SCARD_CANCEL 0x0D */
return trans_force_write(con);
}
/*****************************************************************************/
/* returns error */
int APP_CC
scard_function_is_context_valid_return(void *user_data,
struct stream *in_s,
int len, int status)
{
return 0;
}
/*****************************************************************************/
/* returns error */
int APP_CC scard_function_reconnect_return(void *user_data,
struct stream *in_s,
int len, int status)
{
return 0;
}
/*****************************************************************************/
/* returns error */
int APP_CC
scard_process_msg(struct trans *con, struct stream *in_s, int command)
{
int rv;
LLOGLN(10, ("scard_process_msg: command 0x%4.4x", command));
rv = 0;
switch (command)
{
case 0x01: /* SCARD_ESTABLISH_CONTEXT */
LLOGLN(10, ("scard_process_msg: SCARD_ESTABLISH_CONTEXT"));
rv = scard_process_establish_context(con, in_s);
break;
case 0x02: /* SCARD_RELEASE_CONTEXT */
LLOGLN(10, ("scard_process_msg: SCARD_RELEASE_CONTEXT"));
rv = scard_process_release_context(con, in_s);
break;
case 0x03: /* SCARD_LIST_READERS */
LLOGLN(10, ("scard_process_msg: SCARD_LIST_READERS"));
rv = scard_process_list_readers(con, in_s);
break;
case 0x04: /* SCARD_CONNECT */
LLOGLN(10, ("scard_process_msg: SCARD_CONNECT"));
rv = scard_process_connect(con, in_s);
break;
case 0x05: /* SCARD_RECONNECT */
LLOGLN(0, ("scard_process_msg: SCARD_RECONNECT"));
break;
case 0x06: /* SCARD_DISCONNECT */
LLOGLN(10, ("scard_process_msg: SCARD_DISCONNECT"));
rv = scard_process_disconnect(con, in_s);
break;
case 0x07: /* SCARD_BEGIN_TRANSACTION */
LLOGLN(10, ("scard_process_msg: SCARD_BEGIN_TRANSACTION"));
rv = scard_process_begin_transaction(con, in_s);
break;
case 0x08: /* SCARD_END_TRANSACTION */
LLOGLN(10, ("scard_process_msg: SCARD_END_TRANSACTION"));
rv = scard_process_end_transaction(con, in_s);
break;
case 0x09: /* SCARD_TRANSMIT */
LLOGLN(10, ("scard_process_msg: SCARD_TRANSMIT"));
rv = scard_process_transmit(con, in_s);
break;
case 0x0A: /* SCARD_CONTROL */
LLOGLN(10, ("scard_process_msg: SCARD_CONTROL"));
rv = scard_process_control(con, in_s);
break;
case 0x0B: /* SCARD_STATUS */
LLOGLN(10, ("scard_process_msg: SCARD_STATUS"));
rv = scard_process_status(con, in_s);
break;
case 0x0C: /* SCARD_GET_STATUS_CHANGE */
LLOGLN(10, ("scard_process_msg: SCARD_GET_STATUS_CHANGE"));
rv = scard_process_get_status_change(con, in_s);
break;
case 0x0D: /* SCARD_CANCEL */
LLOGLN(10, ("scard_process_msg: SCARD_CANCEL"));
rv = scard_process_cancel(con, in_s);
break;
case 0x0E: /* SCARD_CANCEL_TRANSACTION */
LLOGLN(0, ("scard_process_msg: SCARD_CANCEL_TRANSACTION"));
break;
case 0x0F: /* SCARD_GET_ATTRIB */
LLOGLN(0, ("scard_process_msg: SCARD_GET_ATTRIB"));
break;
case 0x10: /* SCARD_SET_ATTRIB */
LLOGLN(0, ("scard_process_msg: SCARD_SET_ATTRIB"));
break;
default:
LLOGLN(0, ("scard_process_msg: unknown mtype 0x%4.4x", command));
rv = 1;
break;
}
return rv;
}
/*****************************************************************************/
/* returns error */
int DEFAULT_CC
my_pcsc_trans_data_in(struct trans *trans)
{
struct stream *s;
int size;
int command;
int error;
LLOGLN(10, ("my_pcsc_trans_data_in:"));
if (trans == 0)
{
return 0;
}
s = trans_get_in_s(trans);
in_uint32_le(s, size);
in_uint32_le(s, command);
LLOGLN(10, ("my_pcsc_trans_data_in: size %d command %d", size, command));
error = trans_force_read(trans, size);
if (error == 0)
{
error = scard_process_msg(trans, s, command);
}
return error;
}
/*****************************************************************************/
/* got a new connection from libpcsclite */
int DEFAULT_CC
my_pcsc_trans_conn_in(struct trans *trans, struct trans *new_trans)
{
struct pcsc_uds_client *uds_client;
LLOGLN(10, ("my_pcsc_trans_conn_in:"));
if (trans == 0)
{
return 1;
}
if (trans != g_lis)
{
return 1;
}
if (new_trans == 0)
{
return 1;
}
uds_client = create_uds_client(new_trans);
if (uds_client == 0)
{
return 1;
}
uds_client->con->trans_data_in = my_pcsc_trans_data_in;
uds_client->con->header_size = 8;
if (g_uds_clients == 0)
{
g_uds_clients = list_create();
}
list_add_item(g_uds_clients, (tbus)uds_client);
return 0;
}
/*****************************************************************************/
int APP_CC
scard_pcsc_init(void)
{
char *home;
int disp;
int error;
LLOGLN(0, ("scard_pcsc_init:"));
if (g_lis == 0)
{
g_lis = trans_create(2, 8192, 8192);
home = g_getenv("HOME");
disp = g_display_num;
g_snprintf(g_pcsclite_ipc_dir, 255, "%s/.pcsc%d", home, disp);
if (g_directory_exist(g_pcsclite_ipc_dir))
{
if (!g_remove_dir(g_pcsclite_ipc_dir))
{
LLOGLN(0, ("scard_pcsc_init: g_remove_dir failed"));
}
}
if (!g_directory_exist(g_pcsclite_ipc_dir))
{
if (!g_create_dir(g_pcsclite_ipc_dir))
{
if (!g_directory_exist(g_pcsclite_ipc_dir))
{
LLOGLN(0, ("scard_pcsc_init: g_create_dir failed"));
}
}
}
g_chmod_hex(g_pcsclite_ipc_dir, 0x1777);
g_snprintf(g_pcsclite_ipc_file, 255, "%s/pcscd.comm", g_pcsclite_ipc_dir);
g_lis->trans_conn_in = my_pcsc_trans_conn_in;
error = trans_listen(g_lis, g_pcsclite_ipc_file);
if (error != 0)
{
LLOGLN(0, ("scard_pcsc_init: trans_listen failed for port %s",
g_pcsclite_ipc_file));
return 1;
}
}
return 0;
}
/*****************************************************************************/
int APP_CC
scard_pcsc_deinit(void)
{
LLOGLN(0, ("scard_pcsc_deinit:"));
if (g_lis != 0)
{
trans_delete(g_lis);
g_lis = 0;
}
if (g_pcsclite_ipc_dir[0] != 0)
{
g_file_delete(g_pcsclite_ipc_file);
if (!g_remove_dir(g_pcsclite_ipc_dir))
{
LLOGLN(0, ("scard_pcsc_deinit: g_remove_dir failed"));
}
g_pcsclite_ipc_dir[0] = 0;
}
return 0;
}
#else
int APP_CC
scard_pcsc_get_wait_objs(tbus *objs, int *count, int *timeout)
{
return 0;
}
int APP_CC
scard_pcsc_check_wait_objs(void)
{
return 0;
}
int APP_CC
scard_pcsc_init(void)
{
return 0;
}
int APP_CC
scard_pcsc_deinit(void)
{
return 0;
}
#endif
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