REALPATH

NAME

realpath - Checks is a file is valid.

SYNOPSIS

realpath([error:variable:]"file");

DESCRIPTION

This function is used to check the validity of a file.

If the path of the file leads outside of the root of the website, it returns false.

If "error" is set, the following variables are also returned:

errcode : error code,
errmsg : error message,
path : normalize path of file,
realpath : normaize real path of file.

EXAMPLES

Note: In the followings examples, the _ between the { should be removed to make it work.

res={_{ realpath(1,2); }}. return .*One file must be specified.*
res={_{ realpath("../../../etc/passwd"); }}. return res=false.
res={_{ realpath(error:a,"../../../etc/passwd"); a;}}. return .*The given path was above the root path.*
res={_{ realpath(error:a,"../../html/passwd"); ";"; a.errmsg;}}. return res=true;.
res={_{ realpath(error:a,"../../html/passwd"); a.errcode;}}. return res=true0.
res={_{ realpath(error:a,"../../html/passwd"); a.path;}}. return res=true/html/passwd.
res={_{ realpath(error:a,"../../html/passwd"); a.realpath;}}. return res=true/usr/local/website/v5/html/passwd.

AUTHOR

Written by Pierre Laplante and Caroline Laplante, <laplante@sednove.com>

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See also

append

is used to copy/append file

basename

Return the file part of a pathame

close

Close a file

compile

Use to compile a file.

copy

Use to copy file.

cp

Copy a file.

ct

Get the value for a code.

dir

Use to list the file of a directory.

dirname

Return the file part of a pathame

exec

Use to exec file.

filename

Return the filename.

files

all functions for files operations.

generate

Used to generate a file.

getchar

Get a character

getline

Get a line

include

This function is used to include a file.

lock

Lock a file or Open and lock a file

mkdir

Use to create a directory.

mv

Move/rename a file.

open

Open a file

puts

Put a string

read

Read a file.

remove

Use to remove directories and files.

rmdir

Use to remove directories.

seek

Move the read/write file offset to a specified byte within a ...

sendfile

Send a file.

size

Use to size a file

stat

Use to stat a file.

ungetchar

Un-Get a character

valid

Use to validate a file or a directory.

write

Write in a file.