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chansrv: work on smartcard redir

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This commit is contained in:
Jay Sorg 2013-08-05 01:10:57 -07:00
parent 474d17d556
commit e427113fa8
6 changed files with 370 additions and 2 deletions
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1
sesman/chansrv/Makefile.am
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@ -46,6 +46,7 @@ xrdp_chansrv_SOURCES = \
clipboard_file.c \
devredir.c \
smartcard.c \
smartcard_pcsc.c \
rail.c \
xcommon.c \
drdynvc.c \

16
sesman/chansrv/devredir.c
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@ -120,13 +120,15 @@ dev_redir_init(void)
/* get a random number that will act as a unique clientID */
if ((fd = open("/dev/urandom", O_RDONLY)))
{
read(fd, u.buf, 4);
if (read(fd, u.buf, 4) != 4)
{
}
close(fd);
}
else
{
/* /dev/urandom did not work - use address of struct s */
tui64 u64 = (tui64) &s;
tui64 u64 = (tui64) (tintptr) &s;
u.clientID = (tui32) u64;
}
@ -152,6 +154,7 @@ dev_redir_init(void)
int APP_CC
dev_redir_deinit(void)
{
scard_deinit();
return 0;
}
@ -282,6 +285,10 @@ done:
int APP_CC
dev_redir_get_wait_objs(tbus *objs, int *count, int *timeout)
{
if (g_is_smartcard_redir_supported)
{
return scard_get_wait_objs(objs, count, timeout);
}
return 0;
}
@ -289,6 +296,10 @@ dev_redir_get_wait_objs(tbus *objs, int *count, int *timeout)
int APP_CC
dev_redir_check_wait_objs(void)
{
if (g_is_smartcard_redir_supported)
{
return scard_check_wait_objs();
}
return 0;
}
@ -619,6 +630,7 @@ void dev_redir_proc_client_core_cap_resp(struct stream *s)
case CAP_SMARTCARD_TYPE:
log_debug("got CAP_SMARTCARD_TYPE");
g_is_smartcard_redir_supported = 1;
scard_init();
xstream_seek(s, cap_len);
break;
}

35
sesman/chansrv/smartcard.c
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@ -26,6 +26,7 @@
#include "log.h"
#include "irp.h"
#include "devredir.h"
#include "smartcard_pcsc.h"
/*
* TODO
@ -536,3 +537,37 @@ scard_release_resources(void)
/**
*
*****************************************************************************/
int APP_CC
scard_get_wait_objs(tbus *objs, int *count, int *timeout)
{
return scard_pcsc_get_wait_objs(objs, count, timeout);
}
/**
*
*****************************************************************************/
int APP_CC
scard_check_wait_objs(void)
{
return scard_pcsc_check_wait_objs();
}
/**
*
*****************************************************************************/
int APP_CC
scard_init(void)
{
log_debug("init")
return scard_pcsc_init();
}
/**
*
*****************************************************************************/
int APP_CC
scard_deinit(void)
{
log_debug("deinit")
return scard_pcsc_deinit();
}

9
sesman/chansrv/smartcard.h
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@ -39,4 +39,13 @@ void scard_handle_ListReaders_Return(struct stream *s, IRP *irp,
tui32 DeviceId, tui32 CompletionId,
tui32 IoStatus);
int APP_CC
scard_get_wait_objs(tbus *objs, int *count, int *timeout);
int APP_CC
scard_check_wait_objs(void);
int APP_CC
scard_init(void);
int APP_CC
scard_deinit(void);
#endif /* end #ifndef _SMARTCARD_C */

275
sesman/chansrv/smartcard_pcsc.c Normal file
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@ -0,0 +1,275 @@
/**
* 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
*/
#define PCSC_STANDIN 0
#include "os_calls.h"
#include "smartcard.h"
#include "log.h"
#include "irp.h"
#include "devredir.h"
#include "trans.h"
#if PCSC_STANDIN
#define LLOG_LEVEL 11
#define LLOGLN(_level, _args) \
do \
{ \
if (_level < LLOG_LEVEL) \
{ \
g_write("chansrv:smartcard [%10.10u]: ", g_time3()); \
g_writeln _args ; \
} \
} \
while (0)
#define PCSCLITE_MSG_KEY_LEN 16
#define PCSCLITE_MAX_MESSAGE_SIZE 2048
struct version_struct
{
tsi32 major; /**< IPC major \ref PROTOCOL_VERSION_MAJOR */
tsi32 minor; /**< IPC minor \ref PROTOCOL_VERSION_MINOR */
tui32 rv;
};
typedef struct version_struct version_struct;
typedef struct rxSharedSegment
{
tui32 mtype; /** one of the \c pcsc_adm_commands */
tui32 user_id;
tui32 group_id;
tui32 command; /** one of the \c pcsc_msg_commands */
tui64 date;
unsigned char key[PCSCLITE_MSG_KEY_LEN]; /* 16 bytes */
union _u
{
unsigned char data[PCSCLITE_MAX_MESSAGE_SIZE];
struct version_struct veStr;
} u;
} sharedSegmentMsg, *psharedSegmentMsg;
extern int g_display_num; /* in chansrv.c */
/*****************************************************************************/
struct pcsc_client
{
struct trans *con;
};
static struct pcsc_client *g_head = 0;
static struct pcsc_client *g_tail = 0;
static struct trans *g_lis = 0;
static struct trans *g_con = 0; /* todo, remove this */
static char g_pcsc_directory[256] = "";
/*****************************************************************************/
int APP_CC
scard_pcsc_get_wait_objs(tbus *objs, int *count, int *timeout)
{
LLOGLN(0, ("scard_pcsc_get_wait_objs"));
if (g_lis != 0)
{
trans_get_wait_objs(g_lis, objs, count);
}
if (g_con != 0)
{
trans_get_wait_objs(g_con, objs, count);
}
return 0;
}
/*****************************************************************************/
int APP_CC
scard_pcsc_check_wait_objs(void)
{
LLOGLN(0, ("scard_pcsc_check_wait_objs"));
if (g_lis != 0)
{
trans_check_wait_objs(g_lis);
}
if (g_con != 0)
{
trans_check_wait_objs(g_con);
}
return 0;
}
/*****************************************************************************/
/* returns error */
int APP_CC
scard_process_msg(struct stream *s)
{
psharedSegmentMsg msg;
LLOGLN(0, ("scard_process_msg: mtype 0x%2.2x command 0x%2.2x",
msg->mtype, msg->command));
msg = (psharedSegmentMsg)(s->p);
switch (msg->mtype)
{
case 0xF8: /* CMD_VERSION */
break;
}
return 0;
}
/*****************************************************************************/
/* returns error */
int DEFAULT_CC
my_pcsc_trans_data_in(struct trans *trans)
{
struct stream *s;
int id;
int size;
int error;
LLOGLN(0, ("my_pcsc_trans_data_in:"));
if (trans == 0)
{
return 0;
}
if (trans != g_con)
{
return 1;
}
s = trans_get_in_s(trans);
g_hexdump(s->p, 64);
error = scard_process_msg(s);
return error;
}
/*****************************************************************************/
/* got a new connection from libpcsclite */
int DEFAULT_CC
my_pcsc_trans_conn_in(struct trans *trans, struct trans *new_trans)
{
LLOGLN(0, ("my_pcsc_trans_conn_in:"));
if (trans == 0)
{
return 1;
}
if (trans != g_lis)
{
return 1;
}
if (new_trans == 0)
{
return 1;
}
g_con = new_trans;
g_con->trans_data_in = my_pcsc_trans_data_in;
g_con->header_size = sizeof(sharedSegmentMsg);
LLOGLN(0, ("my_pcsc_trans_conn_in: sizeof sharedSegmentMsg is %d",
sizeof(sharedSegmentMsg)));
return 0;
}
/*****************************************************************************/
int APP_CC
scard_pcsc_init(void)
{
char port[256];
int error;
LLOGLN(0, ("scard_pcsc_init:"));
if (g_lis == 0)
{
g_lis = trans_create(2, 8192, 8192);
g_snprintf(g_pcsc_directory, 255, "/tmp/.xrdp/pcsc%d", g_display_num);
if (g_directory_exist(g_pcsc_directory))
{
if (g_remove_dir(g_pcsc_directory) != 0)
{
LLOGLN(0, ("scard_pcsc_init: g_remove_dir failed"));
}
}
if (g_create_dir(g_pcsc_directory) != 0)
{
LLOGLN(0, ("scard_pcsc_init: g_create_dir failed"));
}
g_chmod_hex(g_pcsc_directory, 0x1777);
g_snprintf(port, 255, "%s/pcscd.comm", g_pcsc_directory);
g_lis->trans_conn_in = my_pcsc_trans_conn_in;
error = trans_listen(g_lis, port);
if (error != 0)
{
LLOGLN(0, ("scard_pcsc_init: trans_listen failed for port %s",
port));
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_remove_dir(g_pcsc_directory) != 0)
{
LLOGLN(0, ("scard_pcsc_deinit: g_remove_dir failed"));
}
g_pcsc_directory[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

36
sesman/chansrv/smartcard_pcsc.h Normal file
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@ -0,0 +1,36 @@
/**
* 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
*/
#ifndef _SMARTCARD_PCSC_H
#define _SMARTCARD_PCSC_H
int APP_CC
scard_pcsc_get_wait_objs(tbus *objs, int *count, int *timeout);
int APP_CC
scard_pcsc_check_wait_objs(void);
int APP_CC
scard_pcsc_init(void);
int APP_CC
scard_pcsc_deinit(void);
#endif /* end #ifndef _SMARTCARD_PCSC_H */