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84 lines
2.5 KiB
C++
84 lines
2.5 KiB
C++
// $Id: FILE_Connector.cpp 80826 2008-03-04 14:51:23Z wotte $
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#include "ace/FILE_Connector.h"
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#include "ace/Handle_Ops.h"
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#include "ace/OS_NS_stdlib.h"
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#if !defined (__ACE_INLINE__)
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#include "ace/FILE_Connector.inl"
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#endif /* __ACE_INLINE__ */
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ACE_RCSID(ace, FILE_Connector, "$Id: FILE_Connector.cpp 80826 2008-03-04 14:51:23Z wotte $")
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ACE_BEGIN_VERSIONED_NAMESPACE_DECL
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ACE_ALLOC_HOOK_DEFINE(ACE_FILE_Connector)
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void
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ACE_FILE_Connector::dump (void) const
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{
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#if defined (ACE_HAS_DUMP)
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ACE_TRACE ("ACE_FILE_Connector::dump");
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ACE_DEBUG ((LM_DEBUG, ACE_BEGIN_DUMP, this));
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ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("\n")));
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ACE_DEBUG ((LM_DEBUG, ACE_END_DUMP));
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#endif /* ACE_HAS_DUMP */
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}
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ACE_FILE_Connector::ACE_FILE_Connector (void)
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{
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ACE_TRACE ("ACE_FILE_Connector::ACE_FILE_Connector");
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}
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int
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ACE_FILE_Connector::connect (ACE_FILE_IO &new_io,
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const ACE_FILE_Addr &remote_sap,
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ACE_Time_Value *timeout,
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const ACE_Addr &,
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int,
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int flags,
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int perms)
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{
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ACE_TRACE ("ACE_FILE_Connector::connect");
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ACE_ASSERT (new_io.get_handle () == ACE_INVALID_HANDLE);
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ACE_HANDLE handle = ACE_INVALID_HANDLE;
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// Check to see if caller has requested that we create the filename.
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if (reinterpret_cast<const ACE_Addr &> (
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const_cast<ACE_FILE_Addr &> (remote_sap)) == ACE_Addr::sap_any)
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{
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// Create a new temporary file.
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// Use ACE_OS::mkstemp() if it is available since it avoids a
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// race condition, and subsequently a security hole due to that
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// race condition (specifically, a denial-of-service attack).
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//
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// However, using mkstemp() prevents us from doing a timed open
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// since it opens the file for us. Better to avoid the race
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// condition.
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char filename[] = "ace-file-XXXXXX";
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handle = ACE_OS::mkstemp (filename); // mkstemp() replaces "XXXXXX"
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if (handle == ACE_INVALID_HANDLE
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|| new_io.addr_.set (ACE_TEXT_CHAR_TO_TCHAR (filename)) != 0)
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return -1;
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new_io.set_handle (handle);
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return 0;
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}
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else
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new_io.addr_ = remote_sap; // class copy.
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handle = ACE::handle_timed_open (timeout,
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new_io.addr_.get_path_name (),
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flags,
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perms);
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new_io.set_handle (handle);
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return handle == ACE_INVALID_HANDLE ? -1 : 0;
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}
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ACE_END_VERSIONED_NAMESPACE_DECL
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