#29005 [Opn]: fopen() can't open NT named pipes on local computer
ID: 29005
Updated by: derick@php.net
Reported By: cleong at nflc dot org
Status: Open
-Bug Type: Filesystem function related
+Bug Type: Feature/Change Request
Operating System: Windows 2000
PHP Version: 4.3.6
New Comment:
Let's make this a feature request as it's currently not meant to work.
Previous Comments:
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[2004-07-04 00:06:58] cleong at nflc dot org
Description:
------------
fopen() can't handle path names like "\\.\pipe\pipename" because the
internal function virtual_file_ex() see the ".\" part, thinks that it
means current directory, and promptly removes it.
The manual doesn't mention named pipes but I think this is worth fixing
as it will give PHP Win32 a robust interprocess communication mechanism
that's fairly easy to implement. The fix is easy enough. Insert the
following at line 413 in tsrm_virtual_cwd.c, right after the else if
(!IS_DIRECTORY_CURRENT(ptr, ptr_length)) loop:
#ifdef TSRM_WIN32
/* '.' should be retained if the first two chars are '\' as it
stands for local machine
done mainly for paths to NT named pipes (\\.\pipe\pipename) */
} else if(state->cwd_length == 2 && state->cwd[0] == '\\' &&
state->cwd[1] == '\\') {
state->cwd = (char *) realloc(state->cwd,
state->cwd_length+ptr_length+1);
memcpy(&state->cwd[state->cwd_length], ptr, ptr_length+1);
state->cwd_length += ptr_length;
#endif
}
Reproduce code:
---------------
Set break point at line 1975 in streams.c
fd = open(realpath, open_flags, 0666);
then run <? readfile('\\\\.\\pipe\\pipename'); ?>. Inspect realpath.
Expected result:
----------------
realpath => \\.\pipe\pipename
Actual result:
--------------
realpath => \\pipe\pipename
------------------------------------------------------------------------
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Thread (6 messages)