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Bug #2296 Crashes when using VirtualHost with Apache 1.3.9
Submitted: 1999-09-14 14:48 UTC Modified: 2002-06-16 08:40 UTC
From: cgriffin at dka dot com Assigned:
Status: Not a bug Package: Reproducible Crash
PHP Version: 3.0.12 OS: RedHat 6
Private report: No CVE-ID: None
 [1999-09-14 14:48 UTC] cgriffin at dka dot com
 When I use php 3.0.12 with Apache 1.3.9 it crashes when I put a VirtualHost command in the config file.
 If I leave out the VirtualHost Apache starts fine. If I put the VirtualHost in and remove PHP Apache starts fine.
 If I roll back to Apache 1.3.6 it starts fine.

./configure --prefix=/www/php \
        --with-apxs=/www/server/bin/apxs \
        --with-config-file-path=/www/php/conf \
        --enable-track-vars \
        --with-exec-dir=/www/php/bin \
        --with-gd \
        --with-mcrypt \

#0  0x4030e3e8 in ?? ()
#1  0x400f61f6 in _IO_old_file_close_it (fp=0x80bbe98) at oldfileops.c:143
#2  0x400f2595 in _IO_old_fclose (fp=0x80bbe98) at oldiofclose.c:43
#3  0x401fa493 in php3_init_config () at configuration-parser.y:221
#4  0x401f1a0b in php3_config_ini_startup () at main.c:965
#5  0x401f24e0 in php3_module_startup () at main.c:1246
#6  0x401efcb8 in php3_create_dir ()
#7  0x80561d3 in ap_single_module_configure ()
#8  0x804f4c0 in load_module ()
#9  0x8054aae in invoke_cmd ()
#10 0x8055393 in ap_handle_command ()
#11 0x8055427 in ap_srm_command_loop ()
#12 0x8055830 in ap_process_resource_config ()
#13 0x80560f2 in ap_read_config ()
#14 0x805f841 in standalone_main ()
#15 0x80600a3 in main ()
#16 0x400b6cb3 in __libc_start_main (main=0x805fd6c <main>, argc=1, 
    argv=0xbffffd64, init=0x804e890 <_init>, fini=0x8093d6c <_fini>, 
    rtld_fini=0x4000a350 <_dl_fini>, stack_end=0xbffffd5c)
    at ../sysdeps/generic/libc-start.c:78

; About this file ;
; This file controls many aspects of PHP's behavior.  In order for PHP to
; read it, it must be named 'php.ini'.  PHP looks for it in the current
; working directory, in the path designated by the environment variable
; PHPRC, and in the path that was defined in compile time (in that order).
; Under Windows, the compile-time path is the Windows directory.  The
; path in which the php.ini file is looked for can be overriden using
; the -c argument in command line mode.
; The syntax of the file is extremely simple.  Whitespace and Lines
; beginning with a semicolon are silently ignored (as you probably guessed).
; Section headers (e.g. [Foo]) are also silently ignored, even though
; they might mean something in the future (they probably won't).
; Options are specified using the syntax key = value or key = "complex value".
; Key names are *case sensitive*.  foo = bar is different from FOO = bar.
; 'value' can be any number, word or keyword (keywords are On, Off, True,
; False, Yes and No, and are case insensitive).
; 'complex value' can be just about anything, expcept for " and a newline
; Boolean flags can be turned on using the values 1, On, True or Yes.
; They can be turned off using the values 0, Off, False or No.
; All the values in the php.ini-dist file correspond to the builtin
; defaults (that is, if no php.ini is used, or if you delete these lines,
; the builtin defaults will be identical).

; Language Options ;

engine                  =       On      ; Enable the PHP scripting language engi
ne under Apache
short_open_tag  =       Off     ; allow the <? tag.  otherwise, only <?php and <
script> tags are recognized.
asp_tags                =       Off ; allow ASP-style <% %> tags
precision               =       14      ; number of significant digits displayed
 in floating point numbers
y2k_compliance  =       Off     ; whether to be year 2000 compliant (will cause 
problems with non y2k compliant browsers)
; Safe Mode
safe_mode               =       Off
safe_mode_exec_dir      =
; Colors for Syntax Highlighting mode.  Anything that's acceptable in <font colo
r=???> would work.
highlight.string        =       #DD0000
highlight.comment       =       #FF8000
highlight.keyword       =       #007700            =       #FFFFFF
highlight.default       =       #0000BB
highlight.html          =       #000000
; Misc
allow_builtin_links     =       Off             ; Sets whether phpinfo() will ge
nerate built-in links that display the PHP
                                                                ; and Zend logos
, and tells PHP whether to honor them or not.
                                                                ; It is no secur
ty threat in any way, but it make sit possible
                                                                ; to determine w
hether you use PHP on your server or not.

; Resource Limits ;

max_execution_time = 30     ; Maximum execution time of each script, in seconds 
(UNIX only)
memory_limit = 8388608          ; Maximum amount of memory a script may consume 

; Error handling and logging ;
; error_reporting is a bit-field.  Add each number up to get desired error repor
ting level
;  1 = Normal errors
;  2 = Normal warnings
;  4 = Parser errors
;  8 = Notices - warnings you can ignore, but sometimes imply a bug (e.g., using
 an uninitialized variable)
error_reporting =       7
display_errors  =       On      ; Print out errors (as a part of the HTML script
log_errors              =       On      ; Log errors into a log file (server-spe
cific log, stderr, or error_log (below))
track_errors    =       Off     ; Store the last error/warning message in $php_e
rrormsg (boolean)
error_prepend_string = "<font color=ff0000>"   ; string to output before an erro
r message
error_append_string = "</font>"                ; string to output after an error
;error_log      =       filename        ; log errors to specified file
error_log       =       syslog          ; log errors to syslog (Event Log on NT,
 not valid in Windows 95)
warn_plus_overloading   =       Off             ; warn if the + operator is used
 with strings

; Data Handling ;
magic_quotes_gpc        =       On              ; magic quotes for incoming GET/
POST/Cookie data
magic_quotes_runtime=   Off             ; magic quotes for runtime-generated dat
a, e.g. data from SQL, from exec(), etc.
magic_quotes_sybase     =       Off             ; Use Sybase-style magic quotes 
(escape ' with '' instead of \')
track_vars                      =       On              ; enable $HTTP_GET_VARS[
; automatically add files before or after any PHP 3.0 document
auto_prepend_file       =
auto_append_file        =

; Paths and Directories ;
include_path    =    "./:/www/php/include"               ; UNIX: "/path1:/path2"
  Windows: "\path1;\path2"
doc_root                =                                       ; the root of th
e php pages, used only if nonempty
user_dir                =                                       ; the directory 
under which php opens the script using /~username, used only if nonempty
;upload_tmp_dir =                       ; temporary directory for HTTP uploaded 
files (will use system default if not specified)
upload_max_filesize = 2097152       ; 2 Meg default limit on file uploads
extension_dir   =       ./                              ; directory in which the
 loadable extensions (modules) reside

; Dynamic Extensions ;
; if you wish to have an extension loaded automaticly, use the
; following syntax:  extension=modulename.extension
; for example, on windows,
; extension=msql.dll
; or under UNIX,
; Note that it should be the name of the module only, no directory information 
; needs to go here.  Specify the location of the extension with the extension_di
r directive above.

;Windows Extensions

; Module Settings ;

define_syslog_variables = Off   ; Whether or not to define the various syslog va
                                                                ; e.g. $LOG_PID,
 $LOG_CRON, etc.  Turning it off is a
                                                                ; good idea perf
ormance-wise.  In runtime, you can define
                                                                ; these variable
s by calling define_syslog_variables()

[mail function]
SMTP                    =       localhost                       ;for win32 only
sendmail_from   =        ;for win32 only
sendmail_path   =                                               ;for unix only, 
may supply arguments as well (default is sendmail -t)

[Debugger]   =
debugger.port   =       7869
debugger.enabled        =       False

; These configuration directives are used by the example logging mechanism.
; See examples/README.logging for more explanation.
;logging.method    = db
; = /path/to/log/directory

sql.safe_mode   =       Off

;uodbc.default_db               =       Not yet implemented
;uodbc.default_user             =       Not yet implemented
;uodbc.default_pw               =       Not yet implemented
uodbc.allow_persistent  =       On      ; allow or prevent persistent links
uodbc.max_persistent    =       -1      ; maximum number of persistent links. -1
 means no limit
uodbc.max_links                 =       -1      ; maximum number of links (persi
stent+non persistent). -1 means no limit
uodbc.defaultlrl        =       4096    ; Handling of LONG fields. Returns numbe
r of bytes to variables, 0 means passthru
uodbc.defaultbinmode    =       1       ; Handling of binary data. 0 means passt
hru, 1 return as is, 2 convert to char
; See the documentation on odbc_binmode and odbc_longreadlen for an explanation 
of uodbc.defaultlrl
; and uodbc.defaultbinmode

mysql.allow_persistent  =       On      ; allow or prevent persistent link
mysql.max_persistent    =       -1      ; maximum number of persistent links. -1
 means no limit
mysql.max_links                 =       -1      ; maximum number of links (persi
stent+non persistent).  -1 means no limit
mysql.default_port              =               ; default port number for mysql_
connect().  If unset,
                                                                ; mysql_connect(
) will use the $MYSQL_TCP_PORT, or the mysql-tcp
                                                                ; entry in /etc/
services, or the compile-time defined MYSQL_PORT
                                                                ; (in that order
).  Win32 will only look at MYSQL_PORT.
mysql.default_host              =               ; default host for mysql_connect
() (doesn't apply in safe mode)
mysql.default_user              =               ; default user for mysql_connect
() (doesn't apply in safe mode)
mysql.default_password  =               ; default password for mysql_connect() (
doesn't apply in safe mode)
                                                                ; Note that this
 is generally a *bad* idea to store passwords
                                                                ; in this file. 
 *Any* user with PHP access can run
                                                                ; 'echo cfg_get_
var("mysql.default_password")' and reveal that
                                                                ; password!  And
 of course, any users with read access to this
                                                                ; file will be a
ble to reveal the password as well.

msql.allow_persistent   =       On      ; allow or prevent persistent link
msql.max_persistent             =       -1      ; maximum number of persistent l
inks. -1 means no limit
msql.max_links                  =       -1      ; maximum number of links (persi
stent+non persistent).  -1 means no limit

pgsql.allow_persistent  =       On      ; allow or prevent persistent link
pgsql.max_persistent    =       -1      ; maximum number of persistent links. -1
 means no limit
pgsql.max_links                 =       -1      ; maximum number of links (persi
stent+non persistent).  -1 means no limit

sybase.allow_persistent =       On      ; allow or prevent persistent link
sybase.max_persistent   =       -1      ; maximum number of persistent links. -1
 means no limit
sybase.max_links                =       -1      ; maximum number of links (persi
stent+non persistent).  -1 means no limit
;sybase.interface_file  =       "/usr/sybase/interfaces"
sybase.min_error_severity       =       10      ; minimum error severity to disp
sybase.min_message_severity     =       10      ; minimum message severity to di
sybase.compatability_mode       = Off   ; compatability mode with earlier versio
ns of PHP 3.0.
                                                                        ; If on,
 this will cause PHP to automatically assign types to results
                                                                        ; accord
ing to their Sybase type, instead of treating them all as
                                                                        ; string
s.  This compatability mode will probably not stay around
                                                                        ; foreve
r, so try applying whatever necessary changes to your code,
                                                                        ; and tu
rn it off.

sybct.allow_persistent  =       On              ; allow or prevent persistent li
sybct.max_persistent    =       -1              ; maximum number of persistent l
inks. -1 means no limit
sybct.max_links                 =       -1              ; maximum number of link
s (persistent+non persistent).  -1 means no limit
sybct.min_server_severity       =       10      ; minimum server message severit
y to display
sybct.min_client_severity       =       10      ; minimum client message severit
y to display

bcmath.scale    =       0       ; number of decimal digits for all bcmath functi

;browscap       =       extra/browscap.ini

ifx.default_host                =               ; default host for ifx_connect()
 (doesn't apply in safe mode)
ifx.default_user                =               ; default user for ifx_connect()
 (doesn't apply in safe mode)
ifx.default_password            =               ; default password for ifx_conne
ct() (doesn't apply in safe mode)
ifx.allow_persistent            =       On      ; allow or prevent persistent li
ifx.max_persistent              =       -1      ; maximum number of persistent l
inks. -1 means no limit
ifx.max_links                   =       -1      ; maximum number of links (persi
stent+non persistent).  -1 means no limit
ifx.textasvarchar               =       0       ; if set on, select statements r
eturn the contents of a text blob instead of it's id
ifx.byteasvarchar               =       0       ; if set on, select statements r
eturn the contents of a byte blob instead of it's id
ifx.charasvarchar               =       0       ; trailing blanks are stripped f
rom fixed-length char columns. May help the life
                                                ; of Informix SE users. 
ifx.blobinfile                  =       0       ; if set on, the contents of tex
t&byte blobs are dumped to a file instead of
                                                ; keeping them in memory
ifx.nullformat                  =       0       ; NULL's are returned as empty s
trings, unless this is set to 1. In that case,
                                                ; NULL's are returned as string 

session.save_handler = files        ; handler used to store/retrieve data
session.save_path = /tmp            ; argument passed to save_handler
                                    ; in the case of files, this is the
                                    ; path where data files are stored = PHPSESSID            ; name of the session
                                    ; is used as cookie name
session.auto_start = 0              ; initialize session on request startup
session.lifetime = 0                ; lifetime in seconds of cookie
                                    ; or if 0, until browser is restarted
session.serialize_handler = php     ; handler used to serialize data
                                    ; php is the standard serializer of PHP
session.gc_probability = 1          ; procentual probability that the 
                                    ; 'garbage collection' process is started
                                    ; on every session initialization
session.gc_maxlifetime = 1440       ; after this number of seconds, stored
                                    ; data will be seen as 'garbage' and
                                    ; cleaned up by the gc process


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 [1999-09-15 07:22 UTC] rasmus at cvs dot php dot net
I bet you didn't recompile PHP against Apache-1.3.9.  If you use the PHP DSO compiled against
Apache-1.3.6 and LoadModule it into Apache-1.3.9 this is exactly what I would expect to see.
Make sure you do a full configure; make; make install of Apache-1.3.9 so you get the updated
apxs script from Apache-1.3.9 installed and then do a make clean in your PHP src directory and
do a full configure; make; make install of PHP.
 [1999-09-15 18:43 UTC] cgriffin at dka dot com
Ok... at first I thought you might be right about the apache 1.3.6 thing. So I carefully reproduced the problem. I did some trouble shooting and found that it only happens with the following combination:

 apache 1.3.9
 one or more VirtualHost declarations

 and i looked at the code using the backtrace as a reference and it is crashing when it tries to close the php.ini file.
 [2002-06-16 08:40 UTC]
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