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Andrea Ambu
Asked: 2009-08-05 09:33:41 +0800 CST

ErrorDocument in .htaccess, is it possible to use relative path?

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This doesn't work: 

ErrorDocument 401 ../../src/wrong_pwd.php

it renders the path as text, it really prints 

../../src/wrong_pwd.php

and doesn't output the real file.

If I put the absolute path it will render the contents of /var/www/home (I don't really know why, maybe it's something in httpd.conf?)

How can I do that?

apache-2.2 .htaccess path errordocument

2 Answers

  1. The docs say:

    URLs can begin with a slash (/) for local web-paths (relative to the DocumentRoot), or be a full URL which the client can resolve. Alternatively, a message can be provided to be displayed by the browser.

    ../../src/wrong_pwd.php doesn't begin with a slash so I expect Apache treats it as a message. It looks like you can't return a document which is outside the DocumentRoot so I suspect what you want will never work (this is sensible; after all, the client has to be able to retrieve the document in case of an error).

    You might be able to use Alias to alias the error page to a location outside the document root. Something like:

    Alias /error/wrong_pwd.php /path/to/src/wrong_pwd.php
ErrorDocument 401 /error/wrong_pwd.php

    Untested, YMMV, etc. You might need to explicitly grant access to this directory with a <Directory> block; see the mod_alias documentation. Of course, there are security concerns here -- generally you don't want to expose your source to the world. (If this is the case perhaps you could make a lightweight, web-visible PHP wrapper which include()s the /path/to/src/wrong_pwd.php...)

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  2. Have you tried a symlink?

    ln -s ../../src/wrong_pwd.php src/wrong_pwd.php
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