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/*
Unix SMB / Netbios implementation .
Version 1.9 .
file closing
Copyright ( C ) Andrew Tridgell 1992 - 1998
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 0213 9 , USA .
*/
# include "includes.h"
extern int DEBUGLEVEL ;
extern int32 global_oplocks_open ;
/****************************************************************************
run a file if it is a magic script
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
static void check_magic ( files_struct * fsp , connection_struct * conn )
{
if ( ! * lp_magicscript ( SNUM ( conn ) ) )
return ;
DEBUG ( 5 , ( " checking magic for %s \n " , fsp - > fsp_name ) ) ;
{
char * p ;
if ( ! ( p = strrchr ( fsp - > fsp_name , ' / ' ) ) )
p = fsp - > fsp_name ;
else
p + + ;
if ( ! strequal ( lp_magicscript ( SNUM ( conn ) ) , p ) )
return ;
}
{
int ret ;
pstring magic_output ;
pstring fname ;
pstrcpy ( fname , fsp - > fsp_name ) ;
if ( * lp_magicoutput ( SNUM ( conn ) ) )
pstrcpy ( magic_output , lp_magicoutput ( SNUM ( conn ) ) ) ;
else
slprintf ( magic_output , sizeof ( fname ) - 1 , " %s.out " , fname ) ;
chmod ( fname , 0755 ) ;
ret = smbrun ( fname , magic_output , False ) ;
DEBUG ( 3 , ( " Invoking magic command %s gave %d \n " , fname , ret ) ) ;
unlink ( fname ) ;
}
}
/****************************************************************************
Common code to close a file or a directory .
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
static void close_filestruct ( files_struct * fsp )
{
connection_struct * conn = fsp - > conn ;
fsp - > open = False ;
fsp - > is_directory = False ;
conn - > num_files_open - - ;
if ( fsp - > wbmpx_ptr ) {
free ( ( char * ) fsp - > wbmpx_ptr ) ;
fsp - > wbmpx_ptr = NULL ;
}
# if WITH_MMAP
if ( fsp - > mmap_ptr ) {
munmap ( fsp - > mmap_ptr , fsp - > mmap_size ) ;
fsp - > mmap_ptr = NULL ;
}
# endif
}
/****************************************************************************
Close a file - possibly invalidating the read prediction .
If normal_close is 1 then this came from a normal SMBclose ( or equivalent )
operation otherwise it came as the result of some other operation such as
the closing of the connection . In the latter case printing and
magic scripts are not run .
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
void close_file ( files_struct * fsp , BOOL normal_close )
{
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SMB_DEV_T dev = fsp - > fd_ptr - > dev ;
SMB_INO_T inode = fsp - > fd_ptr - > inode ;
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int token ;
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BOOL last_reference = False ;
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BOOL delete_on_close = fsp - > fd_ptr - > delete_on_close ;
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connection_struct * conn = fsp - > conn ;
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remove_pending_lock_requests_by_fid ( fsp ) ;
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close_filestruct ( fsp ) ;
# if USE_READ_PREDICTION
invalidate_read_prediction ( fsp - > fd_ptr - > fd ) ;
# endif
if ( lp_share_modes ( SNUM ( conn ) ) ) {
lock_share_entry ( conn , dev , inode , & token ) ;
del_share_mode ( token , fsp ) ;
}
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if ( fd_attempt_close ( fsp - > fd_ptr ) = = 0 )
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last_reference = True ;
fsp - > fd_ptr = NULL ;
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if ( lp_share_modes ( SNUM ( conn ) ) )
unlock_share_entry ( conn , dev , inode , token ) ;
/* NT uses smbclose to start a print - weird */
if ( normal_close & & fsp - > print_file )
print_file ( conn , fsp ) ;
/* check for magic scripts */
if ( normal_close ) {
check_magic ( fsp , conn ) ;
}
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/*
* NT can set delete_on_close of the last open
* reference to a file .
*/
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if ( normal_close & & last_reference & & delete_on_close ) {
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DEBUG ( 5 , ( " close_file: file %s. Delete on close was set - deleting file. \n " ,
fsp - > fsp_name ) ) ;
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if ( dos_unlink ( fsp - > fsp_name ) ! = 0 ) {
/*
* This call can potentially fail as another smbd may have
* had the file open with delete on close set and deleted
* it when its last reference to this file went away . Hence
* we log this but not at debug level zero .
*/
DEBUG ( 5 , ( " close_file: file %s. Delete on close was set and unlink failed \
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with error % s \ n " , fsp->fsp_name, strerror(errno) ));
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}
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}
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if ( fsp - > granted_oplock = = True )
global_oplocks_open - - ;
fsp - > sent_oplock_break = False ;
DEBUG ( 2 , ( " %s closed file %s (numopen=%d) \n " ,
conn - > user , fsp - > fsp_name ,
conn - > num_files_open ) ) ;
if ( fsp - > fsp_name ) {
string_free ( & fsp - > fsp_name ) ;
}
file_free ( fsp ) ;
}
/****************************************************************************
Close a directory opened by an NT SMB call .
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
void close_directory ( files_struct * fsp )
{
remove_pending_change_notify_requests_by_fid ( fsp ) ;
/*
* Do the code common to files and directories .
*/
close_filestruct ( fsp ) ;
if ( fsp - > fsp_name )
string_free ( & fsp - > fsp_name ) ;
file_free ( fsp ) ;
}
