Hi,
> Note: questions of this nature you might want to send to
> [EMAIL PROTECTED] as that is a list specifically about cgi, though
> in most cases the beginners list will be able to help you too.
Thanks I will check it out >(more below)>
> Vargas Media wrote:
> > Hi,
> > I have been studying with the O'Reilly book "CGI Programming with
Perl" -
> > Chapter 5 page 99
> > Below is an example of a upload.cgi that utilizes CGI.pm
> > I am not able to get it to work correctly yet and I am trying to find
out if
> > it is the directory I am trying to load the file to or a progammatical
> > error. The html is at:
> > http://www.vargasmedia.com/upload.htm
> > I have been using
> > http://www.vargasmedia.com/cgi-bin/env_var.cgi
> > to help me get the information I need to upload files using the correct
> > path.
> > Is that a good way to go about it and if so what Environment Variable
should
> > I be looking at to return a path I can use...
> > DOCUMENT_ROOT
>
>
> I don't quite understand what you are asking here? Can you be more
> specific??
I have a CGI script that is at>
http://www.vargasmedia.com/cgi-bin/env_var.cgi
It returns information about my server and I am using the information in the
Environtment Variable "Document Root"
to grab the path name> " /www/vargasmedia/uploads/";
>
>
> > I have an empty folder on my server under www that is called "uploads"
and
> > wanted to upload files there.
> > Here is the code from the Book "CGI Programming with Perl - it is in
Chapter
> > 5 - page 99
>
> Is this the code you are using, in env_var.cgi??
No I am using the upload.cgi script below the env_var.cgi script I was just
using to give details about my server and
where I should set the path for: "use constant UPLOAD_DIR"
>
>
> > -PS:btw- What is the CHMOD setting that I should be using with this CGI
and
> > "uploads" directory?
>
> two things need to be addressed here, both the ownership and the
> permissions, and they are related. The web server runs as a particular
> user, example the "apache" user on some systems with apache, and that
> user has its own group, example "httpd" on some systems (many others are
> nobody/nobody, etc.). The user who is "writing" the file to the disk
> (aka the web server user) must have write permission to the folder this
> is usually either accomplished by setting the ownership of the directory
> to the user and then providing the user write ability, or setting the
> group of the directory to one of the groups that the web server runs as
> and then setting group writeable permissions on that directory. If you
> are on unix consult -> man chown and -> man chmod for more about these
> two topics, on windows I can't help you sorry.
>
What is the easiest way to access man chown.
As I mentioned some of this is new territory - I apologize if the questions
sound to obvious.
> A cursory (read: 30 second) look over your code didn't show any glaring
> problems. Is there an error given? What shows up in the error log for
> the web server and/or what is printed to the browser? More specific info
> might better help us diagnose the problems you are having. I attempted
> to upload a file and got a 500 error which could be a lot of things but
> should produce an error output in the error log.
I am getting from the Browser and "Internal Server Error"
"The Server encountered and internal error or misconfiguration ans was
unable to complete your request...."
etc
I believe my problem lies in 2 areas my CHMOD setting and possible the
directory where I am trying to upload the file.
I am reposting the code below.
Thanks! Steve
#####################################################################
#!/usr/bin/perl -wT
use strict;
use CGI;
use Fcntl qw( :DEFAULT :flock );
# use constant UPLOAD_DIR => "/usr/local/bin";
use constant UPLOAD_DIR => " /www/vargasmedia/uploads/";
use constant BUFFER_SIZE =>16_384;
use constant MAX_FILE_SIZE => 100 * 1_048_576;
use constant MAX_DIR_SIZE => 100 * 1_048_576;
use constant MAX_OPEN_TRIES =>100;
$CGI::DISABLE_UPLOADS = 0;
$CGI::POST_MAX = MAX_FILE_SIZE;
my $q = new CGI;
$q->cgi_error and error( $q, "Error transferring file: ". $q->cgi_error );
my $file = $q->param( "file" ) || error( $q, "No file
recieved." );
my $filename = $q->param( "filename" ) || error( $q, "No filename
entered." );
my $fh = $q->upload( $file );
my $buffer = "";
if ( dir_size( UPLOAD_DIR ) + $ENV{CONTENT_LENGTH} > MAX_DIR_SIZE ) {
error( $q, "Upload directory is full." );
}
# Convert odd ball characters to underscore
$filename =~ s/[^\w.-]/_/g;
if ( $filename =~ /^(\w[\w.-]*)/ ) {
$filename = $1;
}
else {
error( $q, "Invalid file name; files must start with a letter or
number." );
}
# open output file, making sure the file name is unique
until ( sysopen OUTPUT, UPLOAD_DIR . $filename, O_CREAT | O_EXCL ) {
$filename =~ s/(\d*)(\.\w+)$/($1||0) + 1 . $2/e;
$1 >= MAX_OPEN_TRIES and error( $q, "Unable to save your file." );
}
# This is neccessary for non-Unix systems does nothing on UNIX
binmode $fh;
binmode OUTPUT;
# write contents to output file
while ( read($fh, $buffer, BUFFER_SIZE ) ) {
print OUTPUT $buffer;
}
close OUTPUT;
sub dir_size {
my $dir = shift;
my $dir_size = 0;
# loop through files and sume the sizes; doesn't decend down subdirs
opendir DIR, $dir or die "Unable to open $dir: $!";
while ( readdir DIR ) {
$dir_size += -s "$dir/$_";
}
return $dir_size;
}
sub error {
my( $q, $reason ) = @_;
print $q->header( "text/html" ),
$q->start_html( "Error" ),
$q->h1( "Error" ),
$q->p( "Your upload was not processed because the following error",
"occured: "),
$q->p( $q->i( $reason )),
$q->end_html;
exit;
}
######################END############################################
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