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