create directory, create file

Anon

What I would like to do is use PHP to make a directory and create a file (and be filled with info i supply) to be placed in the newly made directory.

Are there commands to create a directory & create a file with info I'll supply?

Anon

mkdir()
fopen()
fputs()
fclose()

...But the ID that the script is running under must have authority write to the directory where the new directory and files will be created.

-- Rich Rijnders
-- Irvine, CA US

Anon

Thanks. I looked up mkdir() and I was wondering... does anyone know where to get a list of the permissions? I just put in 0700 b/c it was in an example somewhere, but it didn't really say what it meant.

I'm going to be creating, deleting directories...is there a special permission I have to use?

Anon

The "mode" refers to Unix file and directory permissions (this parameter is ignored for Windows). Basically, the second, third, and fourth digits refer to the rights of the user, group, and public respectively (ignore the leading zero for now).

In each of those postions the rights are as follows:

0 = no permissions
1 = execute permissions
2 = write permissions
3 = write and execute permissions
4 = read permissions
5 = read and execute permissions
6 = read and write permissions
7 = read, write, and execute permissions

In your example, creating the directory with 0700 means that the user that created the directory (the user under which the script executed) has read, write, and execute permissions on the created directory, but groups and public have none. This is probably what you want unless you for some reason have other users accessing the files via some means other than the web server.

-- Rich Rijnders
-- Irvine, CA US

Anon

or, if you are confused a bit .. allow me to illustrate!

below, you can see
three categories;
owner = operating system
group = the user group

other = everyone

owner, group, other
r r r
w w w

x x x

r, w, x stand for
Read, Write, eXecute
and are each assigned
numerical value.

r = 4
w = 2
x = 1

755 means:
rwx for owner (4+2+1)
rx for group and other (4+1)

hope this helps!!
-eyal.

Anon

I intend to create files with PHP. But the server is in safe mode. The guy there said I can't do this if the server is in safe mode. Then how can I do read and write stuff under PHP?

Henry

Anon

AFAIK "safe mode" is used by ISP's (who run PHP in CGI mode) to keep different users from accessing each other's scripts and files. This should not keep you from writing files in your own directories.

When PHP is running in safe mode, your scripts essentially run as "you" (your uid) rather than as the http server's uid (usually "nobody"). As such, you can only execute scripts that are owned by your uid OR that are in a directory that is owned by your uid.

If you can execute your scripts, but can't write files to the same directory that the script is in, chances are it has nothing to do with php's "safe mode" and everything to do with the server setup. If your sysadmin has your web site's directory configured with no 'write' permissions, then you wont be able to create files regardless of running in safe mode or not.

Maybe he thinks he has good reasons not to allow scripts to write files, but if you are a paying customer to his ISP, then he should find some other solution to his security concerns, like maybe cgi wrappers (IMHO).

-- Rich Rijnders
-- Irvine, CA US

Anon

I m still confused

i hav wrote script to upload files , but now when i try to run that script it gives out error on the web server (www.f2s.com)

It says your user id is not the one which is required to upload the file. Hav anyone tried to upload files on F2s.com , i mean web based uploading not the FTP based ...

How can i control(upload/delete/create) files on f2s.com account???

Richard A. Rijnders wrote:

Maybe he thinks he has good reasons not to allow scripts to write files, but if you are a paying customer to his ISP, then he should find some other solution ....

Anon

You didn't mention if you are using their *Free or pay web hosting. Either way, you should contact f2s customer support to find out if they allow public upload of files through web pages.

-- Rich Rijnders
-- Irvine, CA US