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118 lines
4 KiB
C
118 lines
4 KiB
C
/*
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* Wine server requests
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*
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* Copyright (C) 1999 Alexandre Julliard
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#ifndef __WINE_SERVER_REQUEST_H
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#define __WINE_SERVER_REQUEST_H
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#include <assert.h>
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#include "thread.h"
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#include "wine/server_protocol.h"
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/* max request length */
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#define MAX_REQUEST_LENGTH 8192
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/* request handler definition */
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#define DECL_HANDLER(name) \
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void req_##name( const struct name##_request *req, struct name##_reply *reply )
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/* request functions */
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#ifdef __GNUC__
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extern void fatal_protocol_error( struct thread *thread,
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const char *err, ... ) __attribute__((format (printf,2,3)));
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extern void fatal_error( const char *err, ... ) __attribute__((noreturn,format(printf,1,2)));
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#else
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extern void fatal_protocol_error( struct thread *thread, const char *err, ... );
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extern void fatal_error( const char *err, ... );
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#endif
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extern const char *get_config_dir(void);
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extern void *set_reply_data_size( data_size_t size );
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extern const struct object_attributes *get_req_object_attributes( const struct security_descriptor **sd,
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struct unicode_str *name,
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struct object **root );
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extern const void *get_req_data_after_objattr( const struct object_attributes *attr, data_size_t *len );
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extern int receive_fd( struct process *process );
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extern int send_client_fd( struct process *process, int fd, obj_handle_t handle );
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extern void read_request( struct thread *thread );
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extern void write_reply( struct thread *thread );
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extern timeout_t monotonic_counter(void);
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extern void open_master_socket(void);
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extern void close_master_socket( timeout_t timeout );
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extern void shutdown_master_socket(void);
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extern int wait_for_lock(void);
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extern int kill_lock_owner( int sig );
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extern char *server_dir;
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extern int server_dir_fd, config_dir_fd;
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extern void trace_request(void);
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extern void trace_reply( enum request req, const union generic_reply *reply );
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/* get current tick count to return to client */
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static inline unsigned int get_tick_count(void)
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{
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return monotonic_counter() / 10000;
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}
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/* get the request vararg data */
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static inline const void *get_req_data(void)
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{
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return current->req_data;
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}
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/* get the request vararg size */
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static inline data_size_t get_req_data_size(void)
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{
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return current->req.request_header.request_size;
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}
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/* get the request vararg as unicode string */
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static inline struct unicode_str get_req_unicode_str(void)
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{
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struct unicode_str ret;
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ret.str = get_req_data();
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ret.len = (get_req_data_size() / sizeof(WCHAR)) * sizeof(WCHAR);
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return ret;
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}
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/* get the reply maximum vararg size */
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static inline data_size_t get_reply_max_size(void)
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{
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return current->req.request_header.reply_size;
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}
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/* allocate and fill the reply data */
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static inline void *set_reply_data( const void *data, data_size_t size )
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{
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void *ret = set_reply_data_size( size );
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if (ret) memcpy( ret, data, size );
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return ret;
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}
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/* set the reply data pointer directly (will be freed by request code) */
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static inline void set_reply_data_ptr( void *data, data_size_t size )
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{
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assert( size <= get_reply_max_size() );
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current->reply_size = size;
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current->reply_data = data;
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}
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#endif /* __WINE_SERVER_REQUEST_H */
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