Trouble with system() function

**Chung Leong** · Jul 17 '05, 04:43 AM

Re: Trouble with system() function

Bad slashes, pal. Windows command line requires backslashes for file names.

$pwd_file_path = '"c:\program files\apache group\apache2\p asswd\passwords "';
$htpasswd_path = '"c:\program files\apache group\apache2\b in\htpasswd"';

$command = "$htpasswd_ path -b $pwd_file_path" ;
"Penn Markham" <penn.markham@n ospam4me.verizo n.net> wrote in message news:c52cut$ksk $1@solaris.cc.v t.edu...
Hello all,

I am writing a script where I need to use the system() function to call
htpasswd. I can do this just fine on the command line...works great
(see attached file, test.php). When my webserver runs that part of the
script (see attached file, snippet.php), though, it doesn't go through.

I don't get an error message or anything...it just returns a "1"
(whereas it should return a "0") as far as I can tell. I have read the
PHP manual and have tried everything there, including checking the box
to allow the Apache service to interract with the desktop. I am running
Apache 2.0.48 and PHP 4.3.4 (not as an Apache module though...I have
attached my php.ini file in case that's helpful) on Windows 2000 (I've
tried it on 2003 Server, doesn't work there either).

I would greatly appreciate any help that anyone could give me. This one
has really gotten me stumped. Thanks in advance,

PENN

penn.markham@no spam4me.verizon .net
(take out the nospam4me of course)

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

[PHP]

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expose_php = On

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track_errors = Off

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;docref_ext = .html

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;error_prepend_ string = "<font color=ff0000>"

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;error_append_s tring = "</font>"

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;error_log = filename

; Log errors to syslog (Event Log on NT, not valid in Windows 95).
;error_log = syslog

;;;;;;;;;;;;;;; ;;
; Data Handling ;
;;;;;;;;;;;;;;; ;;
;
; Note - track_vars is ALWAYS enabled as of PHP 4.0.3

; The separator used in PHP generated URLs to separate arguments.
; Default is "&".
;arg_separator. output = "&"

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;arg_separator. input = ";&"

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; referred to as EGPCS or GPC). Registration is done from left to right, newer
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variables_order = "EGPCS"

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; variables.
;
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gpc_order = "GPC"

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;

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auto_append_fil e =

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;
; PHP's built-in default is text/html
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;default_charse t = "iso-8859-1"

; Always populate the $HTTP_RAW_POST_ DATA variable.
;always_populat e_raw_post_data = On

;;;;;;;;;;;;;;; ;;;;;;;;;;
; Paths and Directories ;
;;;;;;;;;;;;;;; ;;;;;;;;;;

; UNIX: "/path1:/path2"
;include_path = ".:/php/includes"
;
; Windows: "\path1;\pa th2"
;include_path = ".;c:\php\inclu des"

; The root of the PHP pages, used only if nonempty.
; if PHP was not compiled with FORCE_REDIRECT, you SHOULD set doc_root
; if you are running php as a CGI under any web server (other than IIS)
; see documentation for security issues. The alternate is to use the
; cgi.force_redir ect configuration below
doc_root =

; The directory under which PHP opens the script using /~username used only
; if nonempty.
user_dir =

; Directory in which the loadable extensions (modules) reside.
extension_dir = "c:\php-4.3.4-win32\extension s"

; Whether or not to enable the dl() function. The dl() function does NOT work
; properly in multithreaded servers, such as IIS or Zeus, and is automatically
; disabled on them.
enable_dl = On

; cgi.force_redir ect is necessary to provide security running PHP as a CGI under
; most web servers. Left undefined, PHP turns this on by default. You can
; turn it off here AT YOUR OWN RISK
; **You CAN safely turn this off for IIS, in fact, you MUST.**
; cgi.force_redir ect = 1

; if cgi.force_redir ect is turned on, and you are not running under Apache or Netscape
; (iPlanet) web servers, you MAY need to set an environment variable name that PHP
; will look for to know it is OK to continue execution. Setting this variable MAY
; cause security issues, KNOW WHAT YOU ARE DOING FIRST.
; cgi.redirect_st atus_env = ;

; cgi.fix_pathinf o provides *real* PATH_INFO/PATH_TRANSLATED support for CGI. PHP's
; previous behaviour was to set PATH_TRANSLATED to SCRIPT_FILENAME , and to not grok
; what PATH_INFO is. For more information on PATH_INFO, see the cgi specs. Setting
; this to 1 will cause PHP CGI to fix it's paths to conform to the spec. A setting
; of zero causes PHP to behave as before. Default is zero. You should fix your scripts
; to use SCRIPT_FILENAME rather than PATH_TRANSLATED .
; cgi.fix_pathinf o=0

; FastCGI under IIS (on WINNT based OS) supports the ability to impersonate
; security tokens of the calling client. This allows IIS to define the
; security context that the request runs under. mod_fastcgi under Apache
; does not currently support this feature (03/17/2002)
; Set to 1 if running under IIS. Default is zero.
; fastcgi.imperso nate = 1;

; cgi.rfc2616_hea ders configuration option tells PHP what type of headers to
; use when sending HTTP response code. If it's set 0 PHP sends Status: header that
; is supported by Apache. When this option is set to 1 PHP will send
; RFC2616 compliant header.
; Default is zero.
;cgi.rfc2616_he aders = 0

;;;;;;;;;;;;;;; ;
; File Uploads ;
;;;;;;;;;;;;;;; ;

; Whether to allow HTTP file uploads.
file_uploads = On

; Temporary directory for HTTP uploaded files (will use system default if not
; specified).
upload_tmp_dir = "c:\program files\apache group\apache2\h tdocs\admin"

; Maximum allowed size for uploaded files.
upload_max_file size = 10M

;;;;;;;;;;;;;;; ;;;
; Fopen wrappers ;
;;;;;;;;;;;;;;; ;;;

; Whether to allow the treatment of URLs (like http:// or ftp://) as files.
allow_url_fopen = On

; Define the anonymous ftp password (your email address)
;from="john@doe .com"

; Define the User-Agent string
; user_agent="PHP "

; Default timeout for socket based streams (seconds)
default_socket_ timeout = 60

; If your scripts have to deal with files from Macintosh systems,
; or you are running on a Mac and need to deal with files from
; unix or win32 systems, setting this flag will cause PHP to
; automatically detect the EOL character in those files so that
; fgets() and file() will work regardless of the source of the file.
; auto_detect_lin e_endings = Off

;;;;;;;;;;;;;;; ;;;;;;;
; Dynamic Extensions ;
;;;;;;;;;;;;;;; ;;;;;;;
;
; If you wish to have an extension loaded automatically, use the following
; syntax:
;
; extension=modul ename.extension
;
; For example, on Windows:
;
; extension=msql. dll
;
; ... or under UNIX:
;
; extension=msql. so
;
; 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_dir directive above.

;Windows Extensions
;Note that MySQL and ODBC support is now built in, so no dll is needed for it.
;
;extension=php_ bz2.dll
;extension=php_ cpdf.dll
;extension=php_ crack.dll
;extension=php_ curl.dll
;extension=php_ db.dll
;extension=php_ dba.dll
;extension=php_ dbase.dll
;extension=php_ dbx.dll
;extension=php_ domxml.dll
;extension=php_ exif.dll
;extension=php_ fdf.dll
;extension=php_ filepro.dll
;extension=php_ gd2.dll
;extension=php_ gettext.dll
;extension=php_ hyperwave.dll
;extension=php_ iconv.dll
;extension=php_ ifx.dll
;extension=php_ iisfunc.dll
;extension=php_ imap.dll
;extension=php_ interbase.dll
;extension=php_ java.dll
extension=php_l dap.dll
;extension=php_ mbstring.dll
;extension=php_ mcrypt.dll
;extension=php_ mhash.dll
;extension=php_ mime_magic.dll
;extension=php_ ming.dll
;extension=php_ mssql.dll
;extension=php_ msql.dll
;extension=php_ oci8.dll
extension=php_o penssl.dll
;extension=php_ oracle.dll
;extension=php_ pdf.dll
;extension=php_ pgsql.dll
;extension=php_ printer.dll
;extension=php_ shmop.dll
;extension=php_ snmp.dll
;extension=php_ sockets.dll
;extension=php_ sybase_ct.dll
;extension=php_ w32api.dll
;extension=php_ xmlrpc.dll
;extension=php_ xslt.dll
;extension=php_ yaz.dll
;extension=php_ zip.dll

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

[Syslog]
; 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_v ariables().
define_syslog_v ariables = Off

[mail function]
; For Win32 only.
SMTP = 10.1.1.1

; For Win32 only.
sendmail_from = idbadmin@idb.co e.vt.edu

; For Unix only. You may supply arguments as well (default: "sendmail -t -i").
;sendmail_path =

[Java]
;java.class.pat h = .\php_java.jar
;java.home = c:\jdk
;java.library = c:\jdk\jre\bin\ hotspot\jvm.dll
;java.library.p ath = .\

[SQL]
sql.safe_mode = Off

[ODBC]
;odbc.default_d b = Not yet implemented
;odbc.default_u ser = Not yet implemented
;odbc.default_p w = Not yet implemented

; Allow or prevent persistent links.
odbc.allow_pers istent = On

; Check that a connection is still valid before reuse.
odbc.check_pers istent = On

; Maximum number of persistent links. -1 means no limit.
odbc.max_persis tent = -1

; Maximum number of links (persistent + non-persistent). -1 means no limit.
odbc.max_links = -1

; Handling of LONG fields. Returns number of bytes to variables. 0 means
; passthru.
odbc.defaultlrl = 4096

; Handling of binary data. 0 means passthru, 1 return as is, 2 convert to char.
; See the documentation on odbc_binmode and odbc_longreadle n for an explanation
; of uodbc.defaultlr l and uodbc.defaultbi nmode
odbc.defaultbin mode = 1

[MySQL]
; Allow or prevent persistent links.
mysql.allow_per sistent = On

; Maximum number of persistent links. -1 means no limit.
mysql.max_persi stent = -1

; Maximum number of links (persistent + non-persistent). -1 means no limit.
mysql.max_links = -1

; 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 value defined MYSQL_PORT (in that order). Win32 will only look
; at MYSQL_PORT.
mysql.default_p ort =

; Default socket name for local MySQL connects. If empty, uses the built-in
; MySQL defaults.
mysql.default_s ocket =

; Default host for mysql_connect() (doesn't apply in safe mode).
mysql.default_h ost =

; Default user for mysql_connect() (doesn't apply in safe mode).
mysql.default_u ser =

; 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 get_cfg_var("my sql.default_pas sword")
; and reveal this password! And of course, any users with read access to this
; file will be able to reveal the password as well.
mysql.default_p assword =

; Maximum time (in secondes) for connect timeout. -1 means no limimt
mysql.connect_t imeout = 60

; Trace mode. When trace_mode is active (=On), warnings for table/index scans and
; SQL-Erros will be displayed.
mysql.trace_mod e = Off

[mSQL]
; Allow or prevent persistent links.
msql.allow_pers istent = On

; Maximum number of persistent links. -1 means no limit.
msql.max_persis tent = -1

; Maximum number of links (persistent+non persistent). -1 means no limit.
msql.max_links = -1

[PostgresSQL]
; Allow or prevent persistent links.
pgsql.allow_per sistent = On

; Detect broken persistent links always with pg_pconnect(). Need a little overhead.
pgsql.auto_rese t_persistent = Off

; Maximum number of persistent links. -1 means no limit.
pgsql.max_persi stent = -1

; Maximum number of links (persistent+non persistent). -1 means no limit.
pgsql.max_links = -1

; Ignore PostgreSQL backends Notice message or not.
pgsql.ignore_no tice = 0

; Log PostgreSQL backends Noitce message or not.
; Unless pgsql.ignore_no tice=0, module cannot log notice message.
pgsql.log_notic e = 0

[Sybase]
; Allow or prevent persistent links.
sybase.allow_pe rsistent = On

; Maximum number of persistent links. -1 means no limit.
sybase.max_pers istent = -1

; Maximum number of links (persistent + non-persistent). -1 means no limit.
sybase.max_link s = -1

;sybase.interfa ce_file = "/usr/sybase/interfaces"

; Minimum error severity to display.
sybase.min_erro r_severity = 10

; Minimum message severity to display.
sybase.min_mess age_severity = 10

; Compatability mode with old 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.compatab ility_mode = Off

[Sybase-CT]
; Allow or prevent persistent links.
sybct.allow_per sistent = On

; Maximum number of persistent links. -1 means no limit.
sybct.max_persi stent = -1

; Maximum number of links (persistent + non-persistent). -1 means no limit.
sybct.max_links = -1

; Minimum server message severity to display.
sybct.min_serve r_severity = 10

; Minimum client message severity to display.
sybct.min_clien t_severity = 10

[dbx]
; returned column names can be converted for compatibility reasons
; possible values for dbx.colnames_ca se are
; "unchanged" (default, if not set)
; "lowercase"
; "uppercase"
; the recommended default is either upper- or lowercase, but
; unchanged is currently set for backwards compatibility
dbx.colnames_ca se = "unchanged"

[bcmath]
; Number of decimal digits for all bcmath functions.
bcmath.scale = 0

[browscap]
;browscap = extra/browscap.ini

[Informix]
; Default host for ifx_connect() (doesn't apply in safe mode).
ifx.default_hos t =

; Default user for ifx_connect() (doesn't apply in safe mode).
ifx.default_use r =

; Default password for ifx_connect() (doesn't apply in safe mode).
ifx.default_pas sword =

; Allow or prevent persistent links.
ifx.allow_persi stent = On

; Maximum number of persistent links. -1 means no limit.
ifx.max_persist ent = -1

; Maximum number of links (persistent + non-persistent). -1 means no limit.
ifx.max_links = -1

; If on, select statements return the contents of a text blob instead of its id.
ifx.textasvarch ar = 0

; If on, select statements return the contents of a byte blob instead of its id.
ifx.byteasvarch ar = 0

; Trailing blanks are stripped from fixed-length char columns. May help the
; life of Informix SE users.
ifx.charasvarch ar = 0

; If on, the contents of text and byte blobs are dumped to a file instead of
; keeping them in memory.
ifx.blobinfile = 0

; NULL's are returned as empty strings, unless this is set to 1. In that case,
; NULL's are returned as string 'NULL'.
ifx.nullformat = 0

[Session]
; Handler used to store/retrieve data.
session.save_ha ndler = files

; Argument passed to save_handler. In the case of files, this is the path
; where data files are stored. Note: Windows users have to change this
; variable in order to use PHP's session functions.
; As of PHP 4.0.1, you can define the path as:
; session.save_pa th = "N;/path"
; where N is an integer. Instead of storing all the session files in
; /path, what this will do is use subdirectories N-levels deep, and
; store the session data in those directories. This is useful if you
; or your OS have problems with lots of files in one directory, and is
; a more efficient layout for servers that handle lots of sessions.
; NOTE 1: PHP will not create this directory structure automatically.
; You can use the script in the ext/session dir for that purpose.
; NOTE 2: See the section on garbage collection below if you choose to
; use subdirectories for session storage
session.save_pa th = /tmp

; Whether to use cookies.
session.use_coo kies = 1

; This option enables administrators to make their users invulnerable to
; attacks which involve passing session ids in URLs; defaults to 0.
; session.use_onl y_cookies = 1

; Name of the session (used as cookie name).
session.name = PHPSESSID

; Initialize session on request startup.
session.auto_st art = 0

; Lifetime in seconds of cookie or, if 0, until browser is restarted.
session.cookie_ lifetime = 0

; The path for which the cookie is valid.
session.cookie_ path = /

; The domain for which the cookie is valid.
session.cookie_ domain =

; Handler used to serialize data. php is the standard serializer of PHP.
session.seriali ze_handler = php

; Define the probability that the 'garbage collection' process is started
; on every session initialization.
; The probability is calculated by using gc_probability/gc_divisor,
; e.g. 1/100 means there is a 1% chance that the GC process starts
; on each request.

session.gc_prob ability = 1
session.gc_divi sor = 100

; After this number of seconds, stored data will be seen as 'garbage' and
; cleaned up by the garbage collection process.
session.gc_maxl ifetime = 1440

; NOTE: If you are using the subdirectory option for storing session files
; (see session.save_pa th above), then garbage collection does *not*
; happen automatically. You will need to do your own garbage
; collection through a shell script, cron entry, or some other method.
; For example, the following script would is the equivalent of
; setting session.gc_maxl ifetime to 1440 (1440 seconds = 24 minutes):
; cd /path/to/sessions; find -cmin +24 | xargs rm

; PHP 4.2 and less have an undocumented feature/bug that allows you to
; to initialize a session variable in the global scope, albeit register_global s
; is disabled. PHP 4.3 and later will warn you, if this feature is used.
; You can disable the feature and the warning seperately. At this time,
; the warning is only displayed, if bug_compat_42 is enabled.

session.bug_com pat_42 = 1
session.bug_com pat_warn = 1

; Check HTTP Referer to invalidate externally stored URLs containing ids.
; HTTP_REFERER has to contain this substring for the session to be
; considered as valid.
session.referer _check =

; How many bytes to read from the file.
session.entropy _length = 0

; Specified here to create the session id.
session.entropy _file =

;session.entrop y_length = 16

;session.entrop y_file = /dev/urandom

; Set to {nocache,privat e,public,} to determine HTTP caching aspects
; or leave this empty to avoid sending anti-caching headers.
session.cache_l imiter = nocache

; Document expires after n minutes.
session.cache_e xpire = 180

; trans sid support is disabled by default.
; Use of trans sid may risk your users security.
; Use this option with caution.
; - User may send URL contains active session ID
; to other person via. email/irc/etc.
; - URL that contains active session ID may be stored
; in publically accessible computer.
; - User may access your site with the same session ID
; always using URL stored in browser's history or bookmarks.
session.use_tra ns_sid = 0

; The URL rewriter will look for URLs in a defined set of HTML tags.
; form/fieldset are special; if you include them here, the rewriter will
; add a hidden <input> field with the info which is otherwise appended
; to URLs. If you want XHTML conformity, remove the form entry.
; Note that all valid entries require a "=", even if no value follows.
url_rewriter.ta gs = "a=href,area=hr ef,frame=src,in put=src,form=,f ieldset="

[MSSQL]
; Allow or prevent persistent links.
mssql.allow_per sistent = On

; Maximum number of persistent links. -1 means no limit.
mssql.max_persi stent = -1

; Maximum number of links (persistent+non persistent). -1 means no limit.
mssql.max_links = -1

; Minimum error severity to display.
mssql.min_error _severity = 10

; Minimum message severity to display.
mssql.min_messa ge_severity = 10

; Compatability mode with old versions of PHP 3.0.
mssql.compatabi lity_mode = Off

; Connec timeout
;mssql.connect_ timeout = 5

; Query timeout
;mssql.timeout = 60

; Valid range 0 - 2147483647. Default = 4096.
;mssql.textlimi t = 4096

; Valid range 0 - 2147483647. Default = 4096.
;mssql.textsize = 4096

; Limits the number of records in each batch. 0 = all records in one batch.
;mssql.batchsiz e = 0

; Specify how datetime and datetim4 columns are returned
; On => Returns data converted to SQL server settings
; Off => Returns values as YYYY-MM-DD hh:mm:ss
;mssql.datetime convert = On

; Use NT authentication when connecting to the server
mssql.secure_co nnection = Off

; Specify max number of processes. Default = 25
;mssql.max_proc s = 25

[Assertion]
; Assert(expr); active by default.
;assert.active = On

; Issue a PHP warning for each failed assertion.
;assert.warning = On

; Don't bail out by default.
;assert.bail = Off

; User-function to be called if an assertion fails.
;assert.callbac k = 0

; Eval the expression with current error_reporting (). Set to true if you want
; error_reporting (0) around the eval().
;assert.quiet_e val = 0

[Ingres II]
; Allow or prevent persistent links.
ingres.allow_pe rsistent = On

; Maximum number of persistent links. -1 means no limit.
ingres.max_pers istent = -1

; Maximum number of links, including persistents. -1 means no limit.
ingres.max_link s = -1

; Default database (format: [node_id::]dbname[/srv_class]).
ingres.default_ database =

; Default user.
ingres.default_ user =

; Default password.
ingres.default_ password =

[Verisign Payflow Pro]
; Default Payflow Pro server.
pfpro.defaultho st = "test-payflow.verisig n.com"

; Default port to connect to.
pfpro.defaultpo rt = 443

; Default timeout in seconds.
pfpro.defaultti meout = 30

; Default proxy IP address (if required).
;pfpro.proxyadd ress =

; Default proxy port.
;pfpro.proxypor t =

; Default proxy logon.
;pfpro.proxylog on =

; Default proxy password.
;pfpro.proxypas sword =

[Sockets]
; Use the system read() function instead of the php_read() wrapper.
sockets.use_sys tem_read = On

[com]
; path to a file containing GUIDs, IIDs or filenames of files with TypeLibs
;com.typelib_fi le =
; allow Distributed-COM calls
;com.allow_dcom = true
; autoregister constants of a components typlib on com_load()
;com.autoregist er_typelib = true
; register constants casesensitive
;com.autoregist er_casesensitiv e = false
; show warnings on duplicate constat registrations
;com.autoregist er_verbose = true

[Printer]
;printer.defaul t_printer = ""

[mbstring]
; language for internal character representation.
;mbstring.langu age = Japanese

; internal/script encoding.
; Some encoding cannot work as internal encoding.
; (e.g. SJIS, BIG5, ISO-2022-*)
;mbstring.inter nal_encoding = EUC-JP

; http input encoding.
;mbstring.http_ input = auto

; http output encoding. mb_output_handl er must be
; registered as output buffer to function
;mbstring.http_ output = SJIS

; enable automatic encoding translation accoding to
; mbstring.intern al_encoding setting. Input chars are
; converted to internal encoding by setting this to On.
; Note: Do _not_ use automatic encoding translation for
; portable libs/applications.
;mbstring.encod ing_translation = Off

; automatic encoding detection order.
; auto means
;mbstring.detec t_order = auto

; substitute_char acter used when character cannot be converted
; one from another
;mbstring.subst itute_character = none;

; overload(replac e) single byte functions by mbstring functions.
; mail(), ereg(), etc are overloaded by mb_send_mail(), mb_ereg(),
; etc. Possible values are 0,1,2,4 or combination of them.
; For example, 7 for overload everything.
; 0: No overload
; 1: Overload mail() function
; 2: Overload str*() functions
; 4: Overload ereg*() functions
;mbstring.func_ overload = 0

[FrontBase]
;fbsql.allow_pe rsistent = On
;fbsql.autocomm it = On
;fbsql.default_ database =
;fbsql.default_ database_passwo rd =
;fbsql.default_ host =
;fbsql.default_ password =
;fbsql.default_ user = "_SYSTEM"
;fbsql.generate _warnings = Off
;fbsql.max_conn ections = 128
;fbsql.max_link s = 128
;fbsql.max_pers istent = -1
;fbsql.max_resu lts = 128
;fbsql.batchSiz e = 1000

[Crack]
; Modify the setting below to match the directory location of the cracklib
; dictionary files. Include the base filename, but not the file extension.
; crack.default_d ictionary = "c:\php\lib\cra cklib_dict"

[exif]
; Exif UNICODE user comments are handled as UCS-2BE/UCS-2LE and JIS as JIS.
; With mbstring support this will automatically be converted into the encoding
; given by corresponding encode setting. When empty mbstring.intern al_encoding
; is used. For the decode settings you can distinguish between motorola and
; intel byte order. A decode setting cannot be empty.
;exif.encode_un icode = ISO-8859-15
;exif.decode_un icode_motorola = UCS-2BE
;exif.decode_un icode_intel = UCS-2LE
;exif.encode_ji s =
;exif.decode_ji s_motorola = JIS
;exif.decode_ji s_intel = JIS

; Local Variables:
; tab-width: 4
; End:

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

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

**Matthias Esken** · Jul 17 '05, 04:43 AM

Re: Trouble with system() function

Chung Leong schrieb:
[color=blue]
> Bad slashes, pal. Windows command line requires backslashes for file names.[/color]

Some of us still access the internet with low bandwidth. It's very bad
to quote a full original posting and it's even worse to send the message
in two different MIME types (text/plain and text/html).

Please don't do it again.

Thank you,
Matthias

**Penn Markham** · Jul 17 '05, 04:43 AM

Re: Trouble with system() function

No, the slashes don't matter. I've tried them both ways. See the file
test.php...it runs perfectly and I have the slashes going the "wrong"
way and it works fine. Thanks for the tip, though.

PENN

**Ian.H** · Jul 17 '05, 04:43 AM

Re: Trouble with system() function

On Thu, 08 Apr 2004 20:47:47 -0400, Penn Markham wrote:
[color=blue]
> No, the slashes don't matter. I've tried them both ways. See the file
> test.php...it runs perfectly and I have the slashes going the "wrong"
> way and it works fine. Thanks for the tip, though.
>
> PENN[/color]

if (intval($_POST['use_md5']) == 1) {
$htpasswd_entry =
shell_exec("/usr/local/bin/htpasswd -bnm $username " .
escapeshellarg( $password) . " 2>&1");
} else {
$htpasswd_entry =
shell_exec("/usr/local/bin/htpasswd -bn $username " .
escapeshellarg( $password) . " 2>&1");
}

Swap the paths and other data to suit your platform / script parsing.. but
this worked on Win2k at least too at one point in my life =)

HTH.

Regards,

Ian

PS: Please note that other validation was also used previous to this
snippet (do not trust user input!)

--
Ian.H
digiServ Network
London, UK

http://digiserv.net/

**Penn Markham** · Jul 17 '05, 04:43 AM

Re: Trouble with system() function

Ian,

Thanks for the advice. I tried using shell_exec, but this did not work
either. It's weird, if I run that part of the script from the command
line, it works fine and the password gets changed. If I run it from my
web page, it doesn't. I'm beginning to wonder if maybe this is a PHP or
Apache configuration issue.

PENN

**Chung Leong** · Jul 17 '05, 04:43 AM

Re: Trouble with system() function

"Penn Markham" <penn.markham@n ospam4me.verizo n.net> wrote in message
news:c54rpe$cqo $1@solaris.cc.v t.edu...[color=blue]
> No, the slashes don't matter. I've tried them both ways. See the file
> test.php...it runs perfectly and I have the slashes going the "wrong"
> way and it works fine. Thanks for the tip, though.
>
> PENN[/color]

Hmmm, I wonder if it's a permission issue. On Windows, files in the Program
Files folders are usually restricted. On the other hand, Apache run with
very high privileges on Win32 by default...

Do a backtick execution instead, to capture the output coming from htpasswd.

**Ian.H** · Jul 17 '05, 04:43 AM

Re: Trouble with system() function

On Thu, 08 Apr 2004 21:12:03 -0400, Penn Markham wrote:
[color=blue]
> Ian,
>
> Thanks for the advice. I tried using shell_exec, but this did not work
> either. It's weird, if I run that part of the script from the command
> line, it works fine and the password gets changed. If I run it from my
> web page, it doesn't. I'm beginning to wonder if maybe this is a PHP or
> Apache configuration issue.
>
> PENN[/color]

The important part wasn't really the shell_exec().. apologies for not
clarifying this. This performs the same task as backticks (``) in which
you can capture the return value rather than just dumping it on the page
there and then.

The real important part I found was the " 2>&1" part. Without it.. it
doesn't work (or wouldn't for me anyway). I'm not sure if you added this /
noticed it as such.. but this _may_ be the answer although obviously I
can't guarantee it.

Out of curiousity.. what happens if you cut / paste one of the lines (with
/ without MD5 usage) from my example instead of your code you have
currently? Just curious to see if what I have works for you too. If so..
you can work out the differences and sort yourself a tailored copy for
your requirements =)

Regards,

Ian

--
Ian.H
digiServ Network
London, UK

http://digiserv.net/

**Penn Markham** · Jul 17 '05, 04:43 AM

Re: Trouble with system() function

Ian,

I added the " 2>&1" to the end of the shell_exc argument. The command
appears to at least execute now, but I get this error message when it is
run by the webserver:

"Automatica lly using MD5 format. c:/htadmin/htpasswd: unable to create
temporary file \/htpasswd.tmp.Oc KZVQ"

I tried changing the frontslashes to backslashes to see if this would
help, but it didn't. Again, the same script works perfectly on the
command line, but not when run by the webserver.

This looks like a permissions problem...maybe if I knew where it was
trying to create this temp file, I could figure it out. Anyone have an
idea where this is? I looked at the source code for htpasswd, but that
didn't help. Thanks,

PENN

**Garp** · Jul 17 '05, 04:43 AM

Re: Trouble with system() function

"Matthias Esken" <muelleimer2004 nospam@usenetve rwaltung.org> wrote in
message news:c54tkg.13k .1@usenet.esken .de...[color=blue]
> Chung Leong schrieb:
>[color=green]
> > Bad slashes, pal. Windows command line requires backslashes for file[/color][/color]
names.[color=blue]
>
> Some of us still access the internet with low bandwidth. It's very bad
> to quote a full original posting and it's even worse to send the message
> in two different MIME types (text/plain and text/html).
>
> Please don't do it again.
>
> Thank you,
> Matthias[/color]

Don't forget the top-post. 8)

Garp

Trouble with system() function

Trouble with system() function

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