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# SMB Perl library, Copyright (C) 2014 Mikhael Goikhman, migo@cpan.org |
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# |
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# This program is free software: you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation, either version 3 of the License, or |
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# (at your option) any later version. |
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# |
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# This program 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 |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with this program. If not, see . |
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package SMB::v2::Command::Create; |
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use strict; |
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use warnings; |
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use parent 'SMB::v2::Command'; |
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use SMB::OpenFile; |
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use constant { |
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OPTIONS_DIRECTORY_FILE => 0x00000001, |
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OPTIONS_WRITE_THROUGH => 0x00000002, |
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OPTIONS_SEQUENTIAL_ONLY => 0x00000004, |
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OPTIONS_NO_INTERMEDIATE_BUFFERING => 0x00000008, |
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OPTIONS_SYNCHRONOUS_IO_ALERT => 0x00000010, |
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OPTIONS_SYNCRHONOUS_IO_NONALERT => 0x00000020, |
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OPTIONS_NON_DIRECTORY_FILE => 0x00000040, |
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OPTIONS_COMPLETE_IF_OPLOCKED => 0x00000100, |
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OPTIONS_NO_EA_KNOWLEDGE => 0x00000200, |
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OPTIONS_RANDOM_ACCESS => 0x00000800, |
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OPTIONS_DELETE_ON_CLOSE => 0x00001000, |
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OPTIONS_OPEN_BY_FILE_ID => 0x00002000, |
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OPTIONS_OPEN_FOR_BACKUP_INTENT => 0x00004000, |
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OPTIONS_NO_COMPRESSION => 0x00008000, |
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OPTIONS_RESERVE_OPFILTER => 0x00100000, |
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OPTIONS_OPEN_REPARSE_POINT => 0x00200000, |
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OPTIONS_OPEN_NO_RECALL => 0x00400000, |
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OPTIONS_OPEN_FOR_FREE_SPACE_QUERY => 0x00800000, |
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}; |
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sub init ($) { |
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$_[0]->set( |
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security_flags => 0, |
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oplock => 0, |
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impersonation => 2, |
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create_flags => 0, |
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access_mask => 0x81, |
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file_attributes => 0, |
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share_access => 3, |
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disposition => 1, |
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options => 0, |
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file_name => '', |
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flags => 0, |
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fid => undef, |
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openfile => undef, |
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) |
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} |
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sub parse ($$) { |
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my $self = shift; |
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my $parser = shift; |
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if ($self->is_response) { |
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my $file = SMB::File->new(name => $self->file_name); |
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$self->oplock($parser->uint8); |
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$self->flags($parser->uint8); |
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my $action = $parser->uint32; |
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my @file_params = ( |
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$parser->uint64, # creation_time |
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$parser->uint64, # last_access_time |
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$parser->uint64, # last_write_time |
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$parser->uint64, # change_time |
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$parser->uint64, # allocation_size |
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$parser->uint64, # end_of_file |
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$parser->uint32, # attributes |
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); |
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$file->update(@file_params); |
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$parser->uint32; # reserved |
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$self->fid($parser->fid2); |
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$self->openfile(SMB::OpenFile->new($file, 0, $action)); |
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} else { |
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$self->security_flags($parser->uint8); |
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$self->oplock($parser->uint8); |
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$self->impersonation($parser->uint32); |
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$self->create_flags($parser->uint64); |
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$parser->uint64; # reserved |
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$self->access_mask($parser->uint32); |
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$self->file_attributes($parser->uint32); |
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$self->share_access($parser->uint32); |
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$self->disposition($parser->uint32); |
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$self->options($parser->uint32); |
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my $name_offset = $parser->uint16; |
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my $name_len = $parser->uint16; |
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$parser->uint32(0); # contexts |
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$parser->uint32(0); |
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$self->file_name($parser->utf16($name_len)); |
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} |
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return $self; |
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} |
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sub pack ($$) { |
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my $self = shift; |
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my $packer = shift; |
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if ($self->is_response) { |
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my $openfile = $self->openfile; |
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my $file = $openfile && $openfile->file; |
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return $self->abort_pack($packer, SMB::STATUS_NO_SUCH_FILE) |
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unless $file && $file->exists && $self->fid; |
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$packer |
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->uint8($self->oplock) |
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->uint8($self->flags) |
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->uint32($openfile->action) |
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->uint64($file->creation_time) |
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->uint64($file->last_access_time) |
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->uint64($file->last_write_time) |
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->uint64($file->change_time) |
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->uint64($file->allocation_size) |
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->uint64($file->end_of_file) |
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->uint32($file->attributes) |
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->uint32(0) # reserved |
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->fid2($self->fid) |
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->uint32(0) # contexts |
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->uint32(0) |
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; |
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} else { |
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$packer |
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->uint8($self->security_flags) |
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->uint8($self->oplock) |
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->uint32($self->impersonation) |
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->uint64($self->create_flags) |
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->uint64(0) # reserved |
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->uint32($self->access_mask) |
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->uint32($self->file_attributes) |
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->uint32($self->share_access) |
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->uint32($self->disposition) |
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->uint32($self->options) |
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->uint16($packer->diff('smb-header') + 12) |
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->uint16(length($self->file_name) * 2) |
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->uint32(0) # contexts |
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->uint32(0) |
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->utf16($self->file_name) |
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->uint8(0) |
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; |
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} |
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} |
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sub requested_directory ($) { |
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my $self = shift; |
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return $self->options & OPTIONS_DIRECTORY_FILE ? 1 : 0; |
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} |
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sub requested_non_directory ($) { |
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my $self = shift; |
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return $self->options & OPTIONS_NON_DIRECTORY_FILE ? 1 : 0; |
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} |
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1; |