ID:               10322
 Comment by:       nude-hairy550 at hotmail dot com
 Reported By:      php-bugrep at pgregg dot com
 Status:           Bogus
 Bug Type:         PHP options/info functions
 Operating System: All
 PHP Version:      4.0.4pl1
 New Comment:

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Previous Comments:
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[2001-04-16 11:12:03] [EMAIL PROTECTED]

This is almost an exact copy of a patch I had submitted in October of
2000.(before I became a contributor).
http://marc.theaimsgroup.com/?l=php-dev&m=97145490702792&w=2
This idea (and many others) was on hold to a cleaner redesign of
safe_mode.

There is NO logical error, basedir is used, check the patch that YOU
*supposedly* submited, it uses basedir. 
Please don't try and claim other peoples code as your own.

Marked as Bogus

-Jason


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[2001-04-14 08:20:55] php-bugrep at pgregg dot com

Thanks for the response, however, can you confirm that there is a
logical coding error here?

The DOCUMENT_ROOT patch is secondary and would be nice - but is the bug
going to be fixed in 4.0.5 ?

Regards,

Paul.

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[2001-04-14 05:34:04] [EMAIL PROTECTED]

This will not make it into 4.0.5 as this was branched a while back but
it might well make it into 4.0.6. Ill get a developer to look at this
patch.

- James

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[2001-04-13 20:57:35] php-bugrep at pgregg dot com

I thought, while I'm here, I'd submit a patch to fix this.

The patch also includes support for an additional special case in
php.ini's open_basedir.
The current "." allows scripts to access files in the same directory as
the script.
"DOCUMENT_ROOT" allows a script to access any other file in the
virtualhost's directory tree.  DOCUMENT_ROOT is calculated by
PATH_TRANSLATED and removing SCRIPT_URI from the end - This
conveniently works for both full Apache Virtalhosts and mod_aliased
Mass virtual hosting (I don't know if this is true for the newer
mod_vhost - just check what PATH_TRANSLATED and SCRIPT_URI is set to in
phpinfo() - if removing the latter from the former is the sites docroot
then you are away).

Anyway, the patch: code shamelessly copied from the "." segment :)

*** main/fopen-wrappers.c.orig  Fri Apr 13 17:50:02 2001
--- main/fopen-wrappers.c       Sat Apr 14 01:46:28 2001
***************
*** 141,151 ****
        char resolved_name[MAXPATHLEN];
        char resolved_basedir[MAXPATHLEN];
        char local_open_basedir[MAXPATHLEN];
        int local_open_basedir_pos;
        SLS_FETCH();

        /* Special case basedir==".": Use script-directory */
!       if ((strcmp(PG(open_basedir), ".") == 0) &&
                SG(request_info).path_translated &&
                *SG(request_info).path_translated
                ) {
--- 141,167 ----
        char resolved_name[MAXPATHLEN];
        char resolved_basedir[MAXPATHLEN];
        char local_open_basedir[MAXPATHLEN];
+       char *local_open_request_uri;
        int local_open_basedir_pos;
        SLS_FETCH();

+       /* Special case basedir="DOCUMENT_ROOT": Restrict to directory
of the
+        * virtualhost itself as calculated by PATH_TRANSLATED -
SCRIPT_URI
+        * [EMAIL PROTECTED]
+        */
+       if ((strcmp(basedir, "DOCUMENT_ROOT") == 0) &&
+               SG(request_info).path_translated &&
+               *SG(request_info).path_translated ) {
+               /* Copy path_translated to local_open_basedir, the look
in
+                  this string for where request_uri starts and zero
that byte
+                  thus leaving local_open_basedir set to the
virtualhost's
+                  DOCUMENT_ROOT */
+               strlcpy(local_open_basedir,
SG(request_info).path_translated, si
zeof(local_open_basedir));
+              
local_open_request_uri=strstr(local_open_basedir,SG(request_info
).request_uri);
+               if (local_open_request_uri) *local_open_request_uri =
'\0';
+       } else
        /* Special case basedir==".": Use script-directory */
!       if ((strcmp(basedir, ".") == 0) &&
                SG(request_info).path_translated &&
                *SG(request_info).path_translated
                ) {


(I realise cut-n-paste into this window will convert all the nice TABS
to spaces, so a patch < this file isn't going to be as clean).

I'd really appreciate this being included in the next patchlevel /
release as I'd guess that anyone already using "." will want this.

Paul.

------------------------------------------------------------------------

[2001-04-13 18:52:07] php-bugrep at pgregg dot com

In main/fopen_wrappers.c I see that there is a function:
PHPAPI int php_check_specific_open_basedir(char *basedir, char *path
PLS_DC)

However "basedir" is never used in this function at all,
only PG(open_basedir).

Surely this negates the point of the function being called individually
for each tokenised entry on open_basedir/php.ini?   I think it will only
match, ever, on the first entry in the config file.

So, should all references to PG(open_basedir) in
php_check_specific_open_basedir() be replaced with the arg basedir ?

Thanks,

Paul Gregg
(Hacking in support for DOCUMENT_ROOT as another "specical case")


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