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cgi programming in windows.

This is a discussion on cgi programming in windows. within the Tech Board forums, part of the Community Boards category; hi guys, i urgently need to know what i have to do to run cgi programs in windows. i have ...

  1. #1
    Registered User
    Join Date
    Aug 2011
    Posts
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    cgi programming in windows.

    hi guys,

    i urgently need to know what i have to do to run cgi programs in windows.

    i have installed apache 2.2 and active state perl.

    i am not understanding how to edit the httpd conf file given below:
    after editing what is the next step to run a simple hello world program.please help me.
    Code:
    #
    # This is the main Apache HTTP server configuration file.  It contains the
    # configuration directives that give the server its instructions.
    # See <URL:http://httpd.apache.org/docs/2.2> for detailed information.
    # In particular, see 
    # <URL:http://httpd.apache.org/docs/2.2/mod/directives.html>
    # for a discussion of each configuration directive.
    #
    # Do NOT simply read the instructions in here without understanding
    # what they do.  They're here only as hints or reminders.  If you are unsure
    # consult the online docs. You have been warned.  
    #
    # Configuration and logfile names: If the filenames you specify for many
    # of the server's control files begin with "/" (or "drive:/" for Win32), the
    # server will use that explicit path.  If the filenames do *not* begin
    # with "/", the value of ServerRoot is prepended -- so "logs/foo.log"
    # with ServerRoot set to "C:/Program Files/Apache Software Foundation/Apache2.2" will be interpreted by the
    # server as "C:/Program Files/Apache Software Foundation/Apache2.2/logs/foo.log".
    #
    # NOTE: Where filenames are specified, you must use forward slashes
    # instead of backslashes (e.g., "c:/apache" instead of "c:\apache").
    # If a drive letter is omitted, the drive on which httpd.exe is located
    # will be used by default.  It is recommended that you always supply
    # an explicit drive letter in absolute paths to avoid confusion.
    
    #
    # ServerRoot: The top of the directory tree under which the server's
    # configuration, error, and log files are kept.
    #
    # Do not add a slash at the end of the directory path.  If you point
    # ServerRoot at a non-local disk, be sure to point the LockFile directive
    # at a local disk.  If you wish to share the same ServerRoot for multiple
    # httpd daemons, you will need to change at least LockFile and PidFile.
    #
    ServerRoot "C:/Program Files/Apache Software Foundation/Apache2.2"
    
    #
    # Listen: Allows you to bind Apache to specific IP addresses and/or
    # ports, instead of the default. See also the <VirtualHost>
    # directive.
    #
    # Change this to Listen on specific IP addresses as shown below to 
    # prevent Apache from glomming onto all bound IP addresses.
    #
    #Listen 12.34.56.78:80
    Listen 80
    
    #
    # Dynamic Shared Object (DSO) Support
    #
    # To be able to use the functionality of a module which was built as a DSO you
    # have to place corresponding `LoadModule' lines at this location so the
    # directives contained in it are actually available _before_ they are used.
    # Statically compiled modules (those listed by `httpd -l') do not need
    # to be loaded here.
    #
    # Example:
    # LoadModule foo_module modules/mod_foo.so
    #
    LoadModule actions_module modules/mod_actions.so
    LoadModule alias_module modules/mod_alias.so
    LoadModule asis_module modules/mod_asis.so
    LoadModule auth_basic_module modules/mod_auth_basic.so
    #LoadModule auth_digest_module modules/mod_auth_digest.so
    #LoadModule authn_alias_module modules/mod_authn_alias.so
    #LoadModule authn_anon_module modules/mod_authn_anon.so
    #LoadModule authn_dbd_module modules/mod_authn_dbd.so
    #LoadModule authn_dbm_module modules/mod_authn_dbm.so
    LoadModule authn_default_module modules/mod_authn_default.so
    LoadModule authn_file_module modules/mod_authn_file.so
    #LoadModule authnz_ldap_module modules/mod_authnz_ldap.so
    #LoadModule authz_dbm_module modules/mod_authz_dbm.so
    LoadModule authz_default_module modules/mod_authz_default.so
    LoadModule authz_groupfile_module modules/mod_authz_groupfile.so
    LoadModule authz_host_module modules/mod_authz_host.so
    #LoadModule authz_owner_module modules/mod_authz_owner.so
    LoadModule authz_user_module modules/mod_authz_user.so
    LoadModule autoindex_module modules/mod_autoindex.so
    #LoadModule cache_module modules/mod_cache.so
    #LoadModule cern_meta_module modules/mod_cern_meta.so
    LoadModule cgi_module modules/mod_cgi.so
    #LoadModule charset_lite_module modules/mod_charset_lite.so
    #LoadModule dav_module modules/mod_dav.so
    #LoadModule dav_fs_module modules/mod_dav_fs.so
    #LoadModule dav_lock_module modules/mod_dav_lock.so
    #LoadModule dbd_module modules/mod_dbd.so
    #LoadModule deflate_module modules/mod_deflate.so
    LoadModule dir_module modules/mod_dir.so
    #LoadModule disk_cache_module modules/mod_disk_cache.so
    #LoadModule dumpio_module modules/mod_dumpio.so
    LoadModule env_module modules/mod_env.so
    #LoadModule expires_module modules/mod_expires.so
    #LoadModule ext_filter_module modules/mod_ext_filter.so
    #LoadModule file_cache_module modules/mod_file_cache.so
    #LoadModule filter_module modules/mod_filter.so
    #LoadModule headers_module modules/mod_headers.so
    #LoadModule ident_module modules/mod_ident.so
    #LoadModule imagemap_module modules/mod_imagemap.so
    LoadModule include_module modules/mod_include.so
    #LoadModule info_module modules/mod_info.so
    LoadModule isapi_module modules/mod_isapi.so
    #LoadModule ldap_module modules/mod_ldap.so
    #LoadModule logio_module modules/mod_logio.so
    LoadModule log_config_module modules/mod_log_config.so
    #LoadModule log_forensic_module modules/mod_log_forensic.so
    #LoadModule mem_cache_module modules/mod_mem_cache.so
    LoadModule mime_module modules/mod_mime.so
    #LoadModule mime_magic_module modules/mod_mime_magic.so
    LoadModule negotiation_module modules/mod_negotiation.so
    #LoadModule proxy_module modules/mod_proxy.so
    #LoadModule proxy_ajp_module modules/mod_proxy_ajp.so
    #LoadModule proxy_balancer_module modules/mod_proxy_balancer.so
    #LoadModule proxy_connect_module modules/mod_proxy_connect.so
    #LoadModule proxy_ftp_module modules/mod_proxy_ftp.so
    #LoadModule proxy_http_module modules/mod_proxy_http.so
    #LoadModule proxy_scgi_module modules/mod_proxy_scgi.so
    #LoadModule reqtimeout_module modules/mod_reqtimeout.so
    #LoadModule rewrite_module modules/mod_rewrite.so
    LoadModule setenvif_module modules/mod_setenvif.so
    #LoadModule speling_module modules/mod_speling.so
    #LoadModule ssl_module modules/mod_ssl.so
    #LoadModule status_module modules/mod_status.so
    #LoadModule substitute_module modules/mod_substitute.so
    #LoadModule unique_id_module modules/mod_unique_id.so
    #LoadModule userdir_module modules/mod_userdir.so
    #LoadModule usertrack_module modules/mod_usertrack.so
    #LoadModule version_module modules/mod_version.so
    #LoadModule vhost_alias_module modules/mod_vhost_alias.so
    
    <IfModule !mpm_netware_module>
    <IfModule !mpm_winnt_module>
    #
    # If you wish httpd to run as a different user or group, you must run
    # httpd as root initially and it will switch.  
    #
    # User/Group: The name (or #number) of the user/group to run httpd as.
    # It is usually good practice to create a dedicated user and group for
    # running httpd, as with most system services.
    #
    User daemon
    Group daemon
    
    </IfModule>
    </IfModule>
    
    # 'Main' server configuration
    #
    # The directives in this section set up the values used by the 'main'
    # server, which responds to any requests that aren't handled by a
    # <VirtualHost> definition.  These values also provide defaults for
    # any <VirtualHost> containers you may define later in the file.
    #
    # All of these directives may appear inside <VirtualHost> containers,
    # in which case these default settings will be overridden for the
    # virtual host being defined.
    #
    
    #
    # ServerAdmin: Your address, where problems with the server should be
    # e-mailed.  This address appears on some server-generated pages, such
    # as error documents.  e.g. admin@your-domain.com
    #
    ServerAdmin thejwal.pavithran@gmail.com
    
    #
    # ServerName gives the name and port that the server uses to identify itself.
    # This can often be determined automatically, but we recommend you specify
    # it explicitly to prevent problems during startup.
    #
    # If your host doesn't have a registered DNS name, enter its IP address here.
    #
    #ServerName localhost:80
    
    #
    # DocumentRoot: The directory out of which you will serve your
    # documents. By default, all requests are taken from this directory, but
    # symbolic links and aliases may be used to point to other locations.
    #
    DocumentRoot "C:/Program Files/Apache Software Foundation/Apache2.2/htdocs"
    
    #
    # Each directory to which Apache has access can be configured with respect
    # to which services and features are allowed and/or disabled in that
    # directory (and its subdirectories). 
    #
    # First, we configure the "default" to be a very restrictive set of 
    # features.  
    #
    <Directory />
        Options FollowSymLinks +ExecCGI
        AllowOverride None
        Order deny,allow
        Deny from all
    </Directory>
    
    #
    # Note that from this point forward you must specifically allow
    # particular features to be enabled - so if something's not working as
    # you might expect, make sure that you have specifically enabled it
    # below.
    #
    
    #
    # This should be changed to whatever you set DocumentRoot to.
    #
    <Directory "C:/Program Files/Apache Software Foundation/Apache2.2/htdocs">
        #
        # Possible values for the Options directive are "None", "All",
        # or any combination of:
        #   Indexes Includes FollowSymLinks SymLinksifOwnerMatch ExecCGI MultiViews
        #
        # Note that "MultiViews" must be named *explicitly* --- "Options All"
        # doesn't give it to you.
        #
        # The Options directive is both complicated and important.  Please see
        # core - Apache HTTP Server
        # for more information.
        #
        Options Indexes FollowSymLinks
    
        #
        # AllowOverride controls what directives may be placed in .htaccess files.
        # It can be "All", "None", or any combination of the keywords:
        #   Options FileInfo AuthConfig Limit
        #
        AllowOverride None
    
        #
        # Controls who can get stuff from this server.
        #
        Order allow,deny
        Allow from all
    
    </Directory>
    
    #
    # DirectoryIndex: sets the file that Apache will serve if a directory
    # is requested.
    #
    <IfModule dir_module>
        DirectoryIndex index.html
    </IfModule>
    
    #
    # The following lines prevent .htaccess and .htpasswd files from being 
    # viewed by Web clients. 
    #
    <FilesMatch "^\.ht">
        Order allow,deny
        Deny from all
        Satisfy All
    </FilesMatch>
    
    #
    # ErrorLog: The location of the error log file.
    # If you do not specify an ErrorLog directive within a <VirtualHost>
    # container, error messages relating to that virtual host will be
    # logged here.  If you *do* define an error logfile for a <VirtualHost>
    # container, that host's errors will be logged there and not here.
    #
    ErrorLog "logs/error.log"
    
    #
    # LogLevel: Control the number of messages logged to the error_log.
    # Possible values include: debug, info, notice, warn, error, crit,
    # alert, emerg.
    #
    LogLevel warn
    
    <IfModule log_config_module>
        #
        # The following directives define some format nicknames for use with
        # a CustomLog directive (see below).
        #
        LogFormat "%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-Agent}i\"" combined
        LogFormat "%h %l %u %t \"%r\" %>s %b" common
    
        <IfModule logio_module>
          # You need to enable mod_logio.c to use %I and %O
          LogFormat "%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-Agent}i\" %I %O" combinedio
        </IfModule>
    
        #
        # The location and format of the access logfile (Common Logfile Format).
        # If you do not define any access logfiles within a <VirtualHost>
        # container, they will be logged here.  Contrariwise, if you *do*
        # define per-<VirtualHost> access logfiles, transactions will be
        # logged therein and *not* in this file.
        #
        CustomLog "logs/access.log" common
    
        #
        # If you prefer a logfile with access, agent, and referer information
        # (Combined Logfile Format) you can use the following directive.
        #
        #CustomLog "logs/access.log" combined
    </IfModule>
    
    <IfModule alias_module>
        #
        # Redirect: Allows you to tell clients about documents that used to 
        # exist in your server's namespace, but do not anymore. The client 
        # will make a new request for the document at its new location.
        # Example:
        # Redirect permanent /foo http://localhost/bar
    
        #
        # Alias: Maps web paths into filesystem paths and is used to
        # access content that does not live under the DocumentRoot.
        # Example:
        # Alias /webpath /full/filesystem/path
        #
        # If you include a trailing / on /webpath then the server will
        # require it to be present in the URL.  You will also likely
        # need to provide a <Directory> section to allow access to
        # the filesystem path.
    
        #
        # ScriptAlias: This controls which directories contain server scripts. 
        # ScriptAliases are essentially the same as Aliases, except that
        # documents in the target directory are treated as applications and
        # run by the server when requested rather than as documents sent to the
        # client.  The same rules about trailing "/" apply to ScriptAlias
        # directives as to Alias.
        #
        ScriptAlias /cgi-bin/ "C:/Program Files/Apache Software Foundation/Apache2.2/cgi-bin/"
    
    </IfModule>
    
    <IfModule cgid_module>
        #
        # ScriptSock: On threaded servers, designate the path to the UNIX
        # socket used to communicate with the CGI daemon of mod_cgid.
        #
        #Scriptsock logs/cgisock
    </IfModule>
    
    
     "C:/Program Files/Apache Software Foundation/Apache2.2/cgi-bin" should be changed to whatever your ScriptAliased
     CGI directory exists, if you have that configured.
    
    <Directory "C:/Program Files/Apache Software Foundation/Apache2.2/cgi-bin">
        AllowOverride None
        Options None
        Order allow,deny
        Allow from all
    </Directory>
    
    #
    # DefaultType: the default MIME type the server will use for a document
    # if it cannot otherwise determine one, such as from filename extensions.
    # If your server contains mostly text or HTML documents, "text/plain" is
    # a good value.  If most of your content is binary, such as applications
    # or images, you may want to use "application/octet-stream" instead to
    # keep browsers from trying to display binary files as though they are
    # text.
    #
    DefaultType text/plain
    
    <IfModule mime_module>
        #
        # TypesConfig points to the file containing the list of mappings from
        # filename extension to MIME-type.
        #
        TypesConfig conf/mime.types
    
        #
        # AddType allows you to add to or override the MIME configuration
        # file specified in TypesConfig for specific file types.
        #
        #AddType application/x-gzip .tgz
        #
        # AddEncoding allows you to have certain browsers uncompress
        # information on the fly. Note: Not all browsers support this.
        #
        #AddEncoding x-compress .Z
        #AddEncoding x-gzip .gz .tgz
        #
        # If the AddEncoding directives above are commented-out, then you
        # probably should define those extensions to indicate media types:
        #
        AddType application/x-compress .Z
        AddType application/x-gzip .gz .tgz
    
        #
        # AddHandler allows you to map certain file extensions to "handlers":
        # actions unrelated to filetype. These can be either built into the server
        # or added with the Action directive (see below)
        #
        # To use CGI scripts outside of ScriptAliased directories:
        # (You will also need to add "ExecCGI" to the "Options" directive.)
        #
        AddHandler cgi-script .cgi
    
        # For type maps (negotiated resources):
        #AddHandler type-map var
    
        #
        # Filters allow you to process content before it is sent to the client.
        #
        # To parse .shtml files for server-side includes (SSI):
        # (You will also need to add "Includes" to the "Options" directive.)
        #
        #AddType text/html .shtml
        #AddOutputFilter INCLUDES .shtml
    </IfModule>
    
    #
    # The mod_mime_magic module allows the server to use various hints from the
    # contents of the file itself to determine its type.  The MIMEMagicFile
    # directive tells the module where the hint definitions are located.
    #
    #MIMEMagicFile conf/magic
    
    #
    # Customizable error responses come in three flavors:
    # 1) plain text 2) local redirects 3) external redirects
    #
    # Some examples:
    #ErrorDocument 500 "The server made a boo boo."
    #ErrorDocument 404 /missing.html
    #ErrorDocument 404 "/cgi-bin/missing_handler.pl"
    #ErrorDocument 402 http://localhost/subscription_info.html
    #
    
    #
    # MaxRanges: Maximum number of Ranges in a request before
    # returning the entire resource, or 0 for unlimited
    # Default setting is to accept 200 Ranges
    #MaxRanges 0
    
    #
    # EnableMMAP and EnableSendfile: On systems that support it, 
    # memory-mapping or the sendfile syscall is used to deliver
    # files.  This usually improves server performance, but must
    # be turned off when serving from networked-mounted 
    # filesystems or if support for these functions is otherwise
    # broken on your system.
    #
    #EnableMMAP off
    #EnableSendfile off
    
    # Supplemental configuration
    #
    # The configuration files in the conf/extra/ directory can be 
    # included to add extra features or to modify the default configuration of 
    # the server, or you may simply copy their contents here and change as 
    # necessary.
    
    # Server-pool management (MPM specific)
    #Include conf/extra/httpd-mpm.conf
    
    # Multi-language error messages
    #Include conf/extra/httpd-multilang-errordoc.conf
    
    # Fancy directory listings
    #Include conf/extra/httpd-autoindex.conf
    
    # Language settings
    #Include conf/extra/httpd-languages.conf
    
    # User home directories
    #Include conf/extra/httpd-userdir.conf
    
    # Real-time info on requests and configuration
    #Include conf/extra/httpd-info.conf
    
    # Virtual hosts
    #Include conf/extra/httpd-vhosts.conf
    
    # Local access to the Apache HTTP Server Manual
    #Include conf/extra/httpd-manual.conf
    
    # Distributed authoring and versioning (WebDAV)
    #Include conf/extra/httpd-dav.conf
    
    # Various default settings
    #Include conf/extra/httpd-default.conf
    
    # Secure (SSL/TLS) connections
    #Include conf/extra/httpd-ssl.conf
    #
    # Note: The following must must be present to support
    #       starting without SSL on platforms with no /dev/random equivalent
    #       but a statically compiled-in mod_ssl.
    #
    <IfModule ssl_module>
    SSLRandomSeed startup builtin
    SSLRandomSeed connect builtin
    </IfModule>

  2. #2
    spurious conceit MK27's Avatar
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    Have you got the server to run at all? Out of the box, it should, and you should be able to go to http://localhost and see a page that says "It works!".

    I've never used apache on windows, but I've used it quite a bit on linux, including setting up and troubleshooting remote servers. Apache is potentially a pretty complex beast; like a lot of things, it takes some time to learn and get comfortable with. When you try and start it (from the command line) and it chokes on anything in the configuration, it should give you some specific details, including the line number where the problem is.

    If that happens and you can't solve the problem, post the error here. If you get it running, find out where the error log is (somewhere behind the ServerRoot directory) because that will explain any subsequent problems with your cgi stuff (eg, perl errors will get logged there).

    Then just put your script in the cgi-bin directory and try http://localhost/cgi-bin/myscript.pl. I haven't done a default cgi thing in a while, so I am not sure if that is the correct path (apache's "cgi-bin" is actually outside of the document tree). However, it looks like you have +ExecCGI set on the document root directory (which is actually Apache2.2/htdocs), so you could also try placing a script there. In any case, if it doesn't work there are 3 common reasons:

    1) You get a 404 Not Found, indicating something about paths or permissions is wrong.
    2) You get a 500 Error, indicating perl tried to run the script but failed.
    3) You get a literal copy of the script, indicating it was found but not executed -- this is a configuration issue involving +ExecCGI.

    Again, like a lot of things, it seems simple but can be very frustrating at first. Don't get overwhelmed, you will get what you want eventually, lol. Of course, the documentation is very helpful; you can access a local copy thru the server (not so useful if it isn't running..) or:

    Apache HTTP Server Version 2.2 Documentation - Apache HTTP Server

    All the configuration options are listed alphabetically if you click on "Run-time Configuration Directives" down the left side. Generally, windows specific stuff is in place with everything else, but you may also want to have a look at "Platform Specific Notes" in the right column.

    Also beware that apache and perl may cache certain things in an irritating way (they don't check modification times), so if your script throws an error, you correct it, and the error remains, try stopping and restarting apache. Modifying the configuration, obviously, requires this, since it is only processed at start-up.
    Last edited by MK27; 11-12-2011 at 08:01 AM.
    theju112 likes this.
    C programming resources:
    GNU C Function and Macro Index -- glibc reference manual
    The C Book -- nice online learner guide
    Current ISO draft standard
    CCAN -- new CPAN like open source library repository
    3 (different) GNU debugger tutorials: #1 -- #2 -- #3
    cpwiki -- our wiki on sourceforge

  3. #3
    Registered User
    Join Date
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    I've never used apache on windows, but I've used it quite a bit on linux, including setting up and troubleshooting remote servers
    good to hear that sir.because i turned to windows after i couldn't run perl scripts on fedora 9.

    i wanted to practice programs for my upcoming lab test.i have installed fedora on virtual box.i have stored the files in cgi-bin folder,given the permissions to execute also.but i get an internal server error.
    if you could tell me how i can do this in fedora,it would be great.

    one of the programs i want to run is given below:

    . Write a Perl program to display a digital clock which displays the current time of
    the server.
    Code:
    #! /usr/bin/perl 
    use CGI':standard'; 
    $de=1; 
    print "Refresh:",$de,"\n"; 
    print "content-type:text/html","\n\n"; 
    print "<html><body bgcolor=cyan><center><h1>DIGITAL CLOCK</CENTER></h1><br>"; 
    ($s,$m,$h)=localtime(time); 
    print"<table align=center border=2 bgcolor=cheery><tr><td><font color=red 
    size=7>$h</td><td><font size=10>:</td><td><font color=blue size=7>$m</td><td><font 
    size=7>:</td><td><font size=7>$s</td></tr></table>"; 
    print "<br><br><center><h2>The current system time is $h hours $m minutes $s 
    seconds</center></h2>"; 
    print "<br></body></html>";

  4. #4
    spurious conceit MK27's Avatar
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    Quote Originally Posted by theju112 View Post
    but i get an internal server error.
    That's 500. Look in the apache error log, it will give you the exact perl error.

    if you could tell me how i can do this in fedora,it would be great.
    Well, another thing I've never done is use virtual box, but presuming everything is the same, it's "yum search httpd", then "yum install [whatever]" -- you can get help with stuff like that at:

    FedoraForum.org - Fedora Support Forums and Community

    I doubt it will be much easier or harder than windows, so if you are more comfortable on windows, doing this on linux will probably not solve your problems.

    one of the programs i want to run is given below:
    I don't see anything fatally wrong with it, altho you should format/indent your code better.

    The best place to get help with perl is:
    PerlMonks - The Monastery Gates

    Probably a lot more people with apache and cgi experience too. The first slap you will get there is to:
    Code:
    use strict;
    use warnings;
    But before you do anything, you have to find the apache error log. Anything that results in a 500 will be logged there. Have a look at what it says.
    Last edited by MK27; 11-12-2011 at 09:33 AM.
    theju112 likes this.
    C programming resources:
    GNU C Function and Macro Index -- glibc reference manual
    The C Book -- nice online learner guide
    Current ISO draft standard
    CCAN -- new CPAN like open source library repository
    3 (different) GNU debugger tutorials: #1 -- #2 -- #3
    cpwiki -- our wiki on sourceforge

  5. #5
    Registered User
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    sir,i checked the error log file.
    the two errors i got were:
    permission denied.
    premature termination of script headers.
    the code i ran is:
    Code:
    #!/usr/local/bin/perl
    #
    # Program to do the obvious
    #
    print 'Hello world.';
    so what might be wrong?

  6. #6
    spurious conceit MK27's Avatar
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    Apache (at least on *nix) needs to start up as a privileged user in order to open a low numbered port (normal http is 80). But after that, it switches its user id to a non-privileged user for security. Ie, you may start it as root, but it does not run root.

    That means the directory containing the script either needs to belong to the non-privileged apache user, or should be world readable. And the script itself needs to be readable and executable.

    Which might explain why you have been unable to execute regular perl scripts on fedora, lol, if you are not used to unix style permissions. By default, a new file is created 644, meaning the owner has read/write, everyone else has read. However, a perl script also needs to be executable, which 644 does not give execute permission to anybody, even the owner.

    Read man chmod, and try setting everything relevant this way:

    chmod 755 myscript.pl

    at first, then you can try reducing the permissions and/or changing the owner (man chown) until you are happy that way (this may or may not be relevant to how your assignment is evaluated -- if all you are handing in is the script, just leave it 755 for now).

    The httpd wiki and faq are also useful:

    FAQ - Httpd Wiki

    Learning *nix, apache, and cgi all at the same time is probably going to be an uphill battle at first.
    Last edited by MK27; 11-12-2011 at 10:31 AM.
    theju112 likes this.
    C programming resources:
    GNU C Function and Macro Index -- glibc reference manual
    The C Book -- nice online learner guide
    Current ISO draft standard
    CCAN -- new CPAN like open source library repository
    3 (different) GNU debugger tutorials: #1 -- #2 -- #3
    cpwiki -- our wiki on sourceforge

  7. #7
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    almost 6 hours and still no result. tried everything.
    the perl script is being displayed on the browser like html content .....

  8. #8
    spurious conceit MK27's Avatar
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    Quote Originally Posted by theju112 View Post
    almost 6 hours and still no result. tried everything.
    the perl script is being displayed on the browser like html content .....
    That's problem #3 I mentioned in post #2

    You have to have +ExecCGI on the directory with the script. You can do that via "Options" in a <Directory> section: core - Apache HTTP Server
    theju112 likes this.
    C programming resources:
    GNU C Function and Macro Index -- glibc reference manual
    The C Book -- nice online learner guide
    Current ISO draft standard
    CCAN -- new CPAN like open source library repository
    3 (different) GNU debugger tutorials: #1 -- #2 -- #3
    cpwiki -- our wiki on sourceforge

  9. #9
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    friend,
    i tried adding the options but still the contents appear like html.
    i want to run the perl script after saving it in C:\Program Files\Apache Software Foundation\Apache2.2\htdocs
    because when i try to save and run from cgi-bin,it says forbidden.
    could you modify the above httpd.conf file in post1 so that i can copy paste?...
    i needed it badly

  10. #10
    spurious conceit MK27's Avatar
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    Wow, well I hope you got stuff working. If not...

    Quote Originally Posted by theju112 View Post
    because when i try to save and run from cgi-bin,it says forbidden.
    Did you absorb what I said about unix style permissions? It is very important, without that you will constantly beating your head against a wall.

    Also: I again am unfamiliar with using virtual box, but fedora uses a default SELinux that affects apache. This may complicate running scripts, and you don't want to have to tangle with configuring SELinux right now; just turn it off. Check for an /etc/selinux/config; if it exists, open it in an editor. Change:

    Code:
    SELINUX=enforcing
     to
    SELINUX=disabled
    Okay, all that only matters if you are still doing the fedora thing. If not, you'll have to figure out how Windows NTFS permissions work (I can't help with that). Anyway...

    could you modify the above httpd.conf file in post1 so that i can copy paste?...
    i needed it badly
    Add this:
    Code:
    <Directory "C:/Program Files/Apache Software Foundation/Apache2.2/htdocs">
        AllowOverride All
        Options +ExecCGI
        Order allow,deny
        Allow from all
    </Directory>
    I notice that there is a <Directory> section for cgi-bin in your config that is slightly different from this; that might prevent execution, because it says:
    Code:
        AllowOverride None
        Options None
    The "AllowOverride" has to do with .htaccess files. You can place these in individual directories to override the current configuration. So create a file that looks like this:

    Code:
    AddHandler cgi-script .cgi .pl
    Options +ExecCGI
    <Files *>
    Header set Cache-Control: "private, pre-check=0, post-check=0, max-age=0"
    Header set Expires: 0
    Header set Pragma: no-cache
    </Files>
    Name it ".htaccess" and place it in the directory where your script is. Make sure it is readable by the apache process, permissions wise (on *nix, 644). You will also need to uncomment this line in the apache conf (remove the leading #):

    Code:
    #LoadModule headers_module modules/mod_headers.so
    This module processes the "Header" directives in the .htaccess file, those add http headers to prevent the browser from caching anything, which is what you want with dynamic content.

    Make sure you read up on all the directives used here (eg, AddHandler); apache is sort of byzantine, and it is easy to screw everything up by changing an insignificant seeming detail, so the better you understand it, the less it will get in your way.

    I forgot about this, altho it is down the right side of the manual contents:

    Apache Tutorial: Dynamic Content with CGI - Apache HTTP Server

    Finally, the first thing that will happen with the scripts you posted here is a "bad header" error. They need to begin with:

    Code:
    use CGI ':standard';
    
    print header;
    Last edited by MK27; 11-13-2011 at 07:32 AM.
    theju112 likes this.
    C programming resources:
    GNU C Function and Macro Index -- glibc reference manual
    The C Book -- nice online learner guide
    Current ISO draft standard
    CCAN -- new CPAN like open source library repository
    3 (different) GNU debugger tutorials: #1 -- #2 -- #3
    cpwiki -- our wiki on sourceforge

  11. #11
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    sorry for the late reply.i have already modified .conf file and its working fine.thank you bro so much for your help.
    in fedora,the problem was same,it was not with permissions but with the .conf file.i had to add options and un-comment at a few places....thanks a lot.
    MK27 likes this.

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