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Bug #1322 No Return Value from snmpget
Submitted: 1999-04-16 13:27 UTC Modified: 2002-06-16 08:30 UTC
From: wernerj at ing dot boehringer-ingelheim dot com Assigned:
Status: Not a bug Package: Misbehaving function
PHP Version: 3.0.6 OS: Windows NT 4.0
Private report: No CVE-ID: None
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From: wernerj at ing dot boehringer-ingelheim dot com
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 [1999-04-16 13:27 UTC] wernerj at ing dot boehringer-ingelheim dot com
I installed the binary php distribution for WNT
Running a small php script:
<?php  

  $mib2=".1.3.6.1.2.1";
  $community = "public";
  $ip = "148.191.232.1";
 
  $cont_name=snmpget($ip,$community,$mib2.".system.sysName.0");

?>

delivers the result 
Variable = system.sysName.0 Value =

snmpget (from ucd-snmp) on the same machine delivers the expected result "Biwan1"


The PHP.ini file :
[PHP_3]

;;;;;;;;;;;;;;;;;;;
; About this file ;
;;;;;;;;;;;;;;;;;;;
; This file controls many aspects of PHP's behavior.  In order for PHP to
; read it, it must be named 'php3.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 php3.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 php3.ini-dist file correspond to the builtin
; defaults (that is, if no php3.ini is used, or if you delete these lines,
; the builtin defaults will be identical).


;;;;;;;;;;;;;;;;;;;;
; Language Options ;
;;;;;;;;;;;;;;;;;;;;

engine			=	On	; enable PHP 3.0 parser
short_open_tag	=	On	; 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 color=???> would work.
highlight.string	=	#DD0000
highlight.comment	=	#FF8000
highlight.keyword	=	#007700
highlight.bg		=	#FFFFFF
highlight.default	=	#0000BB
highlight.html		=	#000000


;;;;;;;;;;;;;;;;;;;
; Resource Limits ;
;;;;;;;;;;;;;;;;;;;

max_execution_time = 30     ; Maximum execution time of each script, in seconds
memory_limit = 8388608		; Maximum amount of memory a script may consume (8MB)


;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
; Error handling and logging ;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
; error_reporting is a bit-field.  Add each number up to get desired error reporting 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		=	Off	; Log errors into a log file (server-specific log, stderr, or error_log (below))
track_errors	=	Off	; Store the last error/warning message in $php_errormsg (boolean)
;error_prepend_string = "<font color=ff0000>"   ; string to output before an error message
;error_append_string = "</font>"                ; string to output after an error message
;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 data, 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[], $HTTP_POST_VARS[] and $HTTP_COOKIE_VARS[] arrays
; automatically add files before or after any PHP 3.0 document
auto_prepend_file	=
auto_append_file	=

;;;;;;;;;;;;;;;;;;;;;;;;;
; Paths and Directories ;
;;;;;;;;;;;;;;;;;;;;;;;;;
include_path	= ".;c:\ucd-snmp\usr"               ; UNIX: "/path1:/path2"  Windows: "\path1;\path2"
doc_root		=					; the root of the 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	=	D:\php ; 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,
; extension=msql.so


;Windows Extensions
;extension=php3_mysql.dll
;extension=php3_nsmail.dll
;extension=php3_calendar.dll
;extension=php3_dbase.dll
;extension=php3_filepro.dll
;extension=php3_gd.dll
;extension=php3_dbm.dll
;extension=php3_mssql.dll
;extension=php3_zlib.dll
;extension=php3_filepro.dll
;extension=php3_imap4r2.dll
;extension=php3_ldap.dll
;extension=php3_crypt.dll
;extension=php3_msql2.dll
;extension=php3_odbc.dll
extension=php3_snmp.dll

;;;;;;;;;;;;;;;;;;;
; Module Settings ;
;;;;;;;;;;;;;;;;;;;

[Syslog]
define_syslog_variables	= Off	; Whether or not to define the various syslog variables,
								; e.g. $LOG_PID, $LOG_CRON, etc.  Turning it off is a
								; good idea performance-wise.  In runtime, you can define
								; these variables by calling define_syslog_variables()


[mail function]
SMTP			=	148.191.100.107			;for win32 only
sendmail_from	=	wernerj@ing.boehringer-ingelheim.com	;for win32 only
sendmail_path	=						;for unix only, may supply arguments as well (default is sendmail -t)

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

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

[SQL]
sql.safe_mode	=	Off

[ODBC]
;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 (persistent+non persistent). -1 means no limit
uodbc.defaultlrl	=	4096	; Handling of LONG fields. Returns number of bytes to variables, 0 means passthru
uodbc.defaultbinmode	= 	1	; Handling of binary data. 0 means passthru, 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]
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 (persistent+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 able to reveal the password as well.

[mSQL]
msql.allow_persistent	=	On	; allow or prevent persistent link
msql.max_persistent		=	-1	; maximum number of persistent links. -1 means no limit
msql.max_links			=	-1	; maximum number of links (persistent+non persistent).  -1 means no limit

[PostgresSQL]
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 (persistent+non persistent).  -1 means no limit

[Sybase]
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 (persistent+non persistent).  -1 means no limit
;sybase.interface_file	=	"/usr/sybase/interfaces"
sybase.min_error_severity	=	10	; minimum error severity to display
sybase.min_message_severity	=	10	; minimum message severity to display
sybase.compatability_mode	= Off	; compatability mode with earlier versions of PHP 3.0.
									; If on, this will cause PHP to automatically assign types to results
									; according to their Sybase type, instead of treating them all as
									; strings.  This compatability mode will probably not stay around
									; forever, so try applying whatever necessary changes to your code,
									; and turn it off.

[Sybase-CT]
sybct.allow_persistent	=	On		; allow or prevent persistent link
sybct.max_persistent	=	-1		; maximum number of persistent links. -1 means no limit
sybct.max_links			=	-1		; maximum number of links (persistent+non persistent).  -1 means no limit
sybct.min_server_severity	=	10	; minimum server message severity to display
sybct.min_client_severity	=	10	; minimum client message severity to display

[bcmath]
bcmath.scale	=	2	; number of decimal digits for all bcmath functions

[browscap]
;browscap	=	extra/browscap.ini

[Informix]
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_connect() (doesn't apply in safe mode)
ifx.allow_persistent		=	On	; allow or prevent persistent link
ifx.max_persistent		=	-1	; maximum number of persistent links. -1 means no limit
ifx.max_links			=	-1	; maximum number of links (persistent+non persistent).  -1 means no limit
ifx.textasvarchar		=	0	; if set on, select statements return the contents of a text blob instead of it's id
ifx.byteasvarchar		=	0	; if set on, select statements return the contents of a byte blob instead of it's id
ifx.charasvarchar		=	0	; trailing blanks are stripped from fixed-length char columns. May help the life
						; of Informix SE users. 
ifx.blobinfile			=	0	; if set on, the contents of text&byte blobs are dumped to a file instead of
						; keeping them in memory
ifx.nullformat			=	0	; NULL's are returned as empty strings, unless this is set to 1. In that case,
						; NULL's are returned as string 'NULL'.


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 [2002-06-16 08:30 UTC] sander@php.net
Thank you for taking the time to report a problem with PHP.
Unfortunately, PHP 3 is no longer supported. Please download
the latest version of PHP 4 from http://www.php.net/downloads.php

If you are able to reproduce the bug with one of the latest
versions of PHP, please change the PHP version on this bug report
to the version you tested and change the status back to "Open".
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