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xrdp-proprietary
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preparing sources to add new sesman control protocol

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ulab-original
ilsimo 19 years ago
parent 013ab3c61f
commit 343f9361f2
8 changed files with 290 additions and 105 deletions
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6
sesman/Doxyfile
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@ -173,15 +173,15 @@ PERLMOD_MAKEVAR_PREFIX =
#---------------------------------------------------------------------------
# Configuration options related to the preprocessor
#---------------------------------------------------------------------------
ENABLE_PREPROCESSING = NO
ENABLE_PREPROCESSING = YES
MACRO_EXPANSION = NO
EXPAND_ONLY_PREDEF = NO
SEARCH_INCLUDES = YES
SEARCH_INCLUDES = NO
INCLUDE_PATH =
INCLUDE_FILE_PATTERNS =
PREDEFINED =
EXPAND_AS_DEFINED =
SKIP_FUNCTION_MACROS = YES
SKIP_FUNCTION_MACROS = NO
#---------------------------------------------------------------------------
# Configuration::additions related to external references
#---------------------------------------------------------------------------

3
sesman/Makefile
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@ -1,6 +1,7 @@
# sesman makefile
SESMANOBJ = sesman.o config.o tcp.o sig.o session.o env.o \
os_calls.o d3des.o list.o file.o log.o access.o
os_calls.o d3des.o list.o file.o log.o access.o \
scp.o scp_v0.o
SESRUNOBJ = sesrun.o config.o tcp.o \
os_calls.o d3des.o list.o file.o log.o

84
sesman/scp.c
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@ -0,0 +1,84 @@
/*
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
xrdp: A Remote Desktop Protocol server.
Copyright (C) Jay Sorg 2005-2006
*/
/**
*
* @file scp.c
* @brief scp (sesman control protocol) common code
* scp (sesman control protocol) common code
* This code controls which version is being used and starts the appropriate process
* @author Jay Sorg, Simone Fedele
*
*/
#include "sesman.h"
/******************************************************************************/
void DEFAULT_CC
scp_process_start(int sck)
{
int socket;
int version;
int size;
struct stream* in_s;
struct stream* out_s;
/* making a local copy of the socket */
/* sck should NEVER be used after lock_socket_release() */
/* probably this is just paranoia */
socket = sck;
#warning locking disabled
// lock_socket_release();
make_stream(in_s);
make_stream(out_s);
init_stream(in_s, 8192);
if (tcp_force_recv(socket, in_s->data, 8) == 0)
{
in_uint32_be(in_s, version);
in_uint32_be(in_s, size);
init_stream(in_s, 8192);
if (tcp_force_recv(socket, in_s->data, size - 8) == 0)
{
if (version == 0)
{
/* starts processing an scp v0 connection */
scp_v0_process(socket, in_s, out_s);
}
#warning scp v1 is disabled
/* this is temporarily disabled...
else if (version == 1)
{
/ * starts processing an scp v0 connection * /
//scp_v1_process();
}*/
else
{
/* an unknown scp version was requested, so we shut down the */
/* connection (and log the fact) */
log_message(LOG_LEVEL_WARNING,"unknown protocol version specified. connection refused.");
}
}
}
g_tcp_close(socket);
free_stream(in_s);
free_stream(out_s);
}

45
sesman/scp.h
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@ -0,0 +1,45 @@
/*
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
xrdp: A Remote Desktop Protocol server.
Copyright (C) Jay Sorg 2005-2006
*/
/**
*
* @file scp.h
* @brief scp (sesman control protocol) common definitions
* @author Simone Fedele
*
*/
#ifndef SCP_H
#define SCP_H
#include "scp_v0.h"
//#include "scp_v1.h"
/**
*
* @brief Starts a an scp protocol thread.
* Starts a an scp protocol thread.
* But does only version control....
* @param socket the connection socket
*
*/
void DEFAULT_CC
scp_process_start(int socket);
#endif

109
sesman/scp_v0.c
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@ -0,0 +1,109 @@
/*
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
xrdp: A Remote Desktop Protocol server.
Copyright (C) Jay Sorg 2005-2006
*/
/**
*
* @file scp_v0.c
* @brief scp version 0 implementation
* @author Jay Sorg, Simone Fedele
*
*/
#include "sesman.h"
/******************************************************************************/
void DEFAULT_CC
scp_v0_process(int in_sck, struct stream* in_s, struct stream* out_s)
{
int code;
int i;
int width;
int height;
int bpp;
int display;
char user[256];
char pass[256];
long data;
struct session_item* s_item;
in_uint16_be(in_s, code);
if (code == 0 || code == 10) /* check username - password, */
{ /* start session */
in_uint16_be(in_s, i);
in_uint8a(in_s, user, i);
user[i] = 0;
in_uint16_be(in_s, i);
in_uint8a(in_s, pass, i);
pass[i] = 0;
in_uint16_be(in_s, width);
in_uint16_be(in_s, height);
in_uint16_be(in_s, bpp);
data = auth_userpass(user, pass);
display = 0;
if (data)
{
s_item = session_get_bydata(user, width, height, bpp);
if (s_item != 0)
{
display = s_item->display;
auth_end(data);
/* don't set data to null here */
}
else
{
g_printf("pre auth");
if (1 == access_login_allowed(user))
{
log_message(LOG_LEVEL_INFO,
"granted TS access to user %s", user);
if (0 == code)
{
log_message(LOG_LEVEL_INFO, "starting Xvnc session...");
display = session_start(width, height, bpp, user, pass,
data, SESMAN_SESSION_TYPE_XVNC);
}
else
{
log_message(LOG_LEVEL_INFO, "starting Xrdp session...");
display = session_start(width, height, bpp, user, pass,
data, SESMAN_SESSION_TYPE_XRDP);
}
}
else
{
display = 0;
}
}
if (display == 0)
{
auth_end(data);
data = 0;
}
}
init_stream(out_s, 8192);
out_uint32_be(out_s, 0); /* version */
out_uint32_be(out_s, 14); /* size */
out_uint16_be(out_s, 3); /* cmd */
out_uint16_be(out_s, data != 0); /* data */
out_uint16_be(out_s, display); /* data */
s_mark_end(out_s);
tcp_force_send(in_sck, out_s->data,
out_s->end - out_s->data);
}
}

42
sesman/scp_v0.h
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@ -0,0 +1,42 @@
/*
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
xrdp: A Remote Desktop Protocol server.
Copyright (C) Jay Sorg 2005-2006
*/
/**
*
* @file scp_v0.h
* @brief scp version 0 declarations
* @author Simone Fedele
*
*/
#ifndef SCP_V0_H
#define SCP_V0_H
/**
*
* @brief processes the stream using scp version 0
* @param in_sck connection socket
* @param in_s input stream
* @param out_s output stream
*
*/
void DEFAULT_CC
scp_v0_process(int in_sck, struct stream* in_s, struct stream* out_s);
#endif

105
sesman/sesman.c
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@ -83,28 +83,9 @@ static void DEFAULT_CC
sesman_main_loop()
{
int in_sck;
int code;
int i;
int size;
int version;
int width;
int height;
int bpp;
int display;
int error;
struct stream* in_s;
struct stream* out_s;
char user[256];
char pass[256];
struct session_item* s_item;
long data;
/*main program loop*/
make_stream(in_s);
init_stream(in_s, 8192);
make_stream(out_s);
init_stream(out_s, 8192);
log_message(LOG_LEVEL_INFO, "listening...");
g_sck = g_tcp_socket();
g_tcp_set_non_blocking(g_sck);
@ -122,86 +103,10 @@ sesman_main_loop()
}
while (in_sck > 0)
{
init_stream(in_s, 8192);
if (tcp_force_recv(in_sck, in_s->data, 8) == 0)
{
in_uint32_be(in_s, version);
in_uint32_be(in_s, size);
init_stream(in_s, 8192);
if (tcp_force_recv(in_sck, in_s->data, size - 8) == 0)
{
if (version == 0)
{
in_uint16_be(in_s, code);
if (code == 0 || code == 10) /* check username - password, */
{ /* start session */
//g_server_type = code;
in_uint16_be(in_s, i);
in_uint8a(in_s, user, i);
user[i] = 0;
in_uint16_be(in_s, i);
in_uint8a(in_s, pass, i);
pass[i] = 0;
in_uint16_be(in_s, width);
in_uint16_be(in_s, height);
in_uint16_be(in_s, bpp);
data = auth_userpass(user, pass);
display = 0;
if (data)
{
//s_item = session_find_item(user, width, height, bpp);
s_item = session_get_bydata(user, width, height, bpp);
if (s_item != 0)
{
display = s_item->display;
auth_end(data);
/* don't set data to null here */
}
else
{
g_printf("pre auth");
if (1 == access_login_allowed(user))
{
log_message(LOG_LEVEL_INFO,
"granted TS access to user %s", user);
if (0 == code)
{
log_message(LOG_LEVEL_INFO, "starting Xvnc session...");
display = session_start(width, height, bpp, user, pass,
data, SESMAN_SESSION_TYPE_XVNC);
}
else
{
log_message(LOG_LEVEL_INFO, "starting Xrdp session...");
display = session_start(width, height, bpp, user, pass,
data, SESMAN_SESSION_TYPE_XRDP);
}
}
else
{
display = 0;
}
}
if (display == 0)
{
auth_end(data);
data = 0;
}
}
init_stream(out_s, 8192);
out_uint32_be(out_s, 0); /* version */
out_uint32_be(out_s, 14); /* size */
out_uint16_be(out_s, 3); /* cmd */
out_uint16_be(out_s, data != 0); /* data */
out_uint16_be(out_s, display); /* data */
s_mark_end(out_s);
tcp_force_send(in_sck, out_s->data,
out_s->end - out_s->data);
}
}
}
}
g_tcp_close(in_sck);
/* we've got a connection, so we pass it to scp code */
scp_process_start(in_sck);
/* once we've processed the connection, we go back listening */
in_sck = g_tcp_accept(g_sck);
while (in_sck == -1 && g_tcp_last_error_would_block(g_sck))
{
@ -220,8 +125,6 @@ sesman_main_loop()
log_message(LOG_LEVEL_ERROR, "bind error");
}
g_tcp_close(g_sck);
free_stream(in_s);
free_stream(out_s);
}
/******************************************************************************/

1
sesman/sesman.h
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@ -40,6 +40,7 @@
#include "sig.h"
#include "session.h"
#include "access.h"
#include "scp.h"
#ifndef SESMAN_PID_FILE
#define SESMAN_PID_FILE "./sesman.pid"

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