xenocara/app/xfwp/xfwp.h
2006-11-25 20:07:29 +00:00

330 lines
7.0 KiB
C

/* $Xorg: xfwp.h,v 1.6 2001/02/09 02:05:46 xorgcvs Exp $ */
/*
Copyright 1996, 1998 The Open Group
Permission to use, copy, modify, distribute, and sell this software and its
documentation for any purpose is hereby granted without fee, provided that
the above copyright notice appear in all copies and that both that
copyright notice and this permission notice appear in supporting
documentation.
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
OTHER DEALINGS IN THE SOFTWARE.
Except as contained in this notice, the name of The Open Group shall
not be used in advertising or otherwise to promote the sale, use or
other dealings in this Software without prior written authorization
from The Open Group.
*/
/* $XFree86: xc/programs/xfwp/xfwp.h,v 1.9 2001/01/17 23:45:35 dawes Exp $ */
#ifndef _XFWP_H
#define _XFWP_H
#include <X11/Xos.h> /* struct timeval */
#define FALSE 0
#define TRUE 1
#ifndef min
#define min(a,b) ((a) < (b) ? (a) : (b))
#endif
#ifndef max
#define max(a,b) ((a) > (b) ? (a) : (b))
#endif
/*
* Default connection array sizes
*/
#define MAX_PM_CONNS 10
#define MAX_SERVERS 100
#define RWBUFFER_SIZE 2048
enum CLIENT_CONN_STATE {
CLIENT_WAITING,
SERVER_WAITING,
SERVER_REPLY,
CONNECTION_READY
};
enum PM_CONN_STATE {
START,
WAIT_SERVER_INFO,
SENT_PORT_INFO,
PM_EXCHANGE_DONE
};
enum CONFIG_CHECK {
FAILURE,
SUCCESS
};
enum CONFIG_TYPE {
PM,
REM_CLIENT
};
enum LISTEN_STATE {
AVAILABLE,
IN_USE
};
enum SERVICE_ID_TYPES {
CLIENT,
PMGR,
FINDPROXY
};
enum LOG_EVENTS {
CLIENT_ACCEPT, /* event 0: client connection granted */
CLIENT_REJECT_CONFIG, /* event 1: client conn rejected by config file */
CLIENT_REJECT_SERVER /* event 2: client conn rejected by server query */
};
#ifdef notyet
typedef void fp1();
typedef Bool fp2();
#endif
struct ICE_setup_info
{
int opcode;
int versionCount;
IcePaVersionRec PMVersions[1];
#ifdef notyet
void (*fp1) ();
Bool (*fp2) ();
#endif
};
struct client_conn_buf
{
char readbuf[RWBUFFER_SIZE];
char writebuf[RWBUFFER_SIZE];
int rbytes;
int wbytes;
int conn_to;
int wclose;
int state;
int time_to_close;
int creation_time;
int fd;
char * source;
char * destination;
};
struct pm_conn_buf
{
char readbuf[RWBUFFER_SIZE];
int rbytes;
int state;
int fd;
IceConn ice_conn;
int creation_time;
int time_to_close;
} ;
struct config
{
int num_client_conns;
int num_pm_conns;
int num_servers;
int num_pm_listen_ports;
int idle_timeout;
int pm_data_timeout;
int client_listen_timeout;
int client_data_timeout;
struct timeval select_timeout;
char * pm_listen_port;
char * config_file_path;
char * log_file_path;
int lines_allocated;
int rule_count;
struct config_line ** config_file_data;
int log_level;
};
struct server_list
{
char * x_server_hostport;
char * listen_port_string;
int client_listen_fd;
int server_fd;
int done_accept;
int creation_time;
int time_to_close;
};
struct clientDataStruct
{
int * nfds;
fd_set * rinit;
fd_set * winit;
int major_opcode;
struct config * config_info;
};
struct config_line
{
char * permit_deny;
char * source_hostname;
unsigned int source_host;
char * source_netmask;
unsigned int source_net;
char * dest_hostname;
unsigned int dest_host;
char * dest_netmask;
unsigned int dest_net;
#if defined(__cplusplus) || defined(c_plusplus)
char * c_operator;
#else
char * operator;
#endif
char * service;
int service_id;
};
/*
* Global variables
*/
extern struct clientDataStruct global_data; /* for ICE callbacks */
extern struct pm_conn_buf ** pm_conn_array;
extern struct server_list ** server_array;
extern struct client_conn_buf ** client_conn_array;
extern char **SitePolicies;
extern int SitePolicyCount;
extern int SitePolicyPermit;
/*
* Handy ICE message parsing macros
*/
/*
* Pad to a 64 bit boundary
*/
#define PAD64(_bytes) ((8 - ((unsigned int) (_bytes) % 8)) % 8)
#define PADDED_BYTES64(_bytes) (_bytes + PAD64 (_bytes))
/*
* Number of 8 byte units in _bytes.
*/
#define WORD64COUNT(_bytes) (((unsigned int) ((_bytes) + 7)) >> 3)
/*
* Compute the number of bytes for a STRING representation
*/
#define STRING_BYTES(_str) (2 + (_str ? strlen (_str) : 0) + \
PAD64 (2 + (_str ? strlen (_str) : 0)))
#define SKIP_STRING(_pBuf, _swap) \
{ \
CARD16 _len; \
EXTRACT_CARD16 (_pBuf, _swap, _len); \
_pBuf += _len; \
if (PAD64 (2 + _len)) \
_pBuf += PAD64 (2 + _len); \
}
/*
* STORE macros
*/
#define STORE_CARD16(_pBuf, _val) \
{ \
*((CARD16 *) _pBuf) = _val; \
_pBuf += 2; \
}
#define STORE_STRING(_pBuf, _string) \
{ \
int _len = _string ? strlen (_string) : 0; \
STORE_CARD16 (_pBuf, _len); \
if (_len) { \
memcpy (_pBuf, _string, _len); \
_pBuf += _len; \
} \
if (PAD64 (2 + _len)) \
_pBuf += PAD64 (2 + _len); \
}
/*
* EXTRACT macros
*/
#define EXTRACT_CARD16(_pBuf, _swap, _val) \
{ \
_val = *((CARD16 *) _pBuf); \
_pBuf += 2; \
if (_swap) \
_val = lswaps (_val); \
}
#define EXTRACT_STRING(_pBuf, _swap, _string) \
{ \
CARD16 _len; \
EXTRACT_CARD16 (_pBuf, _swap, _len); \
_string = (char *) malloc (_len + 1); \
memcpy (_string, _pBuf, _len); \
_string[_len] = '\0'; \
_pBuf += _len; \
if (PAD64 (2 + _len)) \
_pBuf += PAD64 (2 + _len); \
}
/*
* Byte swapping
*/
/* byte swap a long literal */
#define lswapl(_val) ((((_val) & 0xff) << 24) |\
(((_val) & 0xff00) << 8) |\
(((_val) & 0xff0000) >> 8) |\
(((_val) >> 24) & 0xff))
/* byte swap a short literal */
#define lswaps(_val) ((((_val) & 0xff) << 8) | (((_val) >> 8) & 0xff))
#define CHECK_AT_LEAST_SIZE(_iceConn, _majorOp, _minorOp, _expected_len, _actual_len, _severity) \
if ((((_actual_len) - SIZEOF (iceMsg)) >> 3) > _expected_len) \
{ \
_IceErrorBadLength (_iceConn, _majorOp, _minorOp, _severity); \
return; \
}
#define CHECK_COMPLETE_SIZE(_iceConn, _majorOp, _minorOp, _expected_len, _actual_len, _pStart, _severity) \
if (((PADDED_BYTES64((_actual_len)) - SIZEOF (iceMsg)) >> 3) \
!= _expected_len) \
{ \
_IceErrorBadLength (_iceConn, _majorOp, _minorOp, _severity); \
IceDisposeCompleteMessage (iceConn, _pStart); \
return; \
}
#endif /* _XFWP_H */