ID:               38400
 Updated by:       [EMAIL PROTECTED]
 Reported By:      willw at applied dot co dot uk
-Status:           Assigned
+Status:           Closed
 Bug Type:         COM related
 Operating System: Windows XP SP2
 PHP Version:      5.2.0RC1
 Assigned To:      wez
 New Comment:

This bug has been fixed in CVS.

Snapshots of the sources are packaged every three hours; this change
will be in the next snapshot. You can grab the snapshot at
http://snaps.php.net/.
 
Thank you for the report, and for helping us make PHP better.




Previous Comments:
------------------------------------------------------------------------

[2006-08-09 16:38:24] willw at applied dot co dot uk

Description:
------------
Use of the com.typelib_file to set a text file containing a list of
typelibs causes PHP to crash with an A/V at startup.

Occurs both if PHP.exe is run from command line, or from Apache 1 via
php5apache.dll. Haven't tried other combos.

This worked ok in PHP4, but seems to fail in all the PHP5s that I have
tested. 

Reproduce code:
---------------
Alter a working PHP.ini so that it sets com.typelib_file to point to a
text file. To see the bug, the named file must exist, and contain at
least one entry. It doesn't matter whether the entry is valid.

PHP.ini:
...
[COM]
com.typelib_file = "C:/PHP/typelib_files.txt"
...

contents of typelib_files.txt:
C:\WinNt\System32\activeds.tlb

Expected result:
----------------
(Expected no crash)

Actual result:
--------------
Backtrace:


NTDLL! 7c901010()
begin_read(_zend_ts_hashtable * 0x00fa4c20 _php_com_typelibraries) line
28 + 12 bytes
zend_ts_hash_find(_zend_ts_hashtable * 0x00fa4c20
_php_com_typelibraries, char * 0x011007e8, unsigned int 0x00000010,
void * * 0x0012f764) line 208 + 9 bytes
php_com_load_typelib_via_cache(char * 0x011007e8, int 0x00000000, int *
0x0012f7e8, void * * * 0x00fe5028) line 238 + 25 bytes
OnTypeLibFileUpdate(_zend_ini_entry * 0x01194198, char * 0x0114fbb0,
unsigned int 0x00000036, void * 0x00000000, void * 0x00000000, void *
0x00000000, int 0x00000001, void * * * 0x00fe5028) line 149 + 36 bytes
zend_register_ini_entries(_zend_ini_entry * 0x00f3f0c8 ini_entries, int
0x00000003, void * * * 0x00fe5028) line 182 + 56 bytes
zm_startup_com_dotnet(int 0x00000001, int 0x00000003, void * * *
0x00fe5028) line 189 + 18 bytes
zend_startup_module_ex(_zend_module_entry * 0x0115af70, void * * *
0x00fe5028) line 1397 + 28 bytes
zend_hash_apply(_hashtable * 0x00fa6b80 _module_registry, int (void *,
void * * *)* 0x00a61780 _zend_startup_module_ex, void * * * 0x00fe5028)
line 666 + 16 bytes
zend_startup_modules(void * * * 0x00fe5028) line 1444 + 19 bytes
php_module_startup(_sapi_module_struct * 0x10019410 apache_sapi_module,
_zend_module_entry * 0x100197f8 _apache_module_entry, unsigned int
0x00000001) line 1552 + 9 bytes
php_apache_startup(_sapi_module_struct * 0x10019410 apache_sapi_module)
line 289 + 19 bytes
php_init_handler(server_rec * 0x003f8ee8, pool * 0x003f8ec0) line 933 +
10 bytes
APACHECORE! 6ff66730()
APACHE! 0040100f()
KERNEL32! 7c816d4f()


Looking at the source, one appears to be able to fix it by editing
com_dotnet/com_extension.c. The php_com_typelibraries structure is
accessed before it is initialised. Moving the call to
zend_ts_hash_init() above REGISTER_INI_ENTRIES() seems to fix it... but
may have side effects that I don't understand.


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


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