07-11-2012
How to set default permission
Hey Guys,
First post here. I just started learning UNIX a few weeks ago.
My issue: I use FreeNAS which is based off of UNIX in my network environment which hosts files that my team needs to access. Each user has their own login but we are all part of a group called "ITLIC".
I have a share under the path of /mnt/itstorage and used the command
chown -R root:ITLIC itstorage
chmod 777 itstorage
All the files and subfolders became open to everyone. The issue is that once a user creates a new file/folder, only they have access to those files and the others can not edit them.
I am not sure if a umask command needs to be ran on each user to set the default permission to read/write/execute.
If someone can point me in the right direction as to what file i need to manipulate and which code i need that would be of GREAT help.
I want everyone to have access to read/write/execute under any folder/file.
Looking forward to a response. Thanks!
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access(2) System Calls Manual access(2)
NAME
access - Determines the accessibility of a file
SYNOPSIS
#include <unistd.h>
int access (
const char *path,
int access_mode) ;
STANDARDS
Interfaces documented on this reference page conform to industry standards as follows:
access(): XPG4, XPG4-UNIX
Refer to the standards(5) reference page for more information about industry standards and associated tags.
PARAMETERS
Points to the file pathname. When the path parameter refers to a symbolic link, the access() function returns information about the file
pointed to by the symbolic link.
Permission to access all components of the path parameter is determined by using a real user ID instead of an effective user ID, and
a group access list (including a real group ID) instead of an effective group ID. Specifies the type of access. The bit pattern
contained in the access_mode parameter is constructed by a logical OR of the following values: Checks read permission. Checks write
permission. Checks execute (search) permission. Checks to see if the file exists.
DESCRIPTION
The access() function checks for accessibility of the file specified by a pathname.
Only access bits are checked. A directory may be indicated as writable by access(), but an attempt to open it for writing will fail
(although files may be created there); a file's access bits may indicate that it is executable, but the execve() function can fail if the
file does not contain the proper format.
RETURN VALUES
Upon successful completion, the access() function returns value of 0 (zero). Otherwise, a value of -1 is returned and errno is set to
indicate the error.
ERRORS
If the access() function fails, access to the file specified by the path parameter is denied and errno may be set to one of the following
values: Permission bits of the file mode do not permit the requested access, or search permission is denied on a component of the path pre-
fix. The owner of a file has permission checked with respect to the ``owner'' read, write, and execute mode bits, members of the file's
group other than the owner have permission checked with respect to the ``group'' mode bits, and all others have permissions checked with
respect to the ``other'' mode bits. The path parameter points outside the process' allocated address space. The pathname contains a char-
acter with the high-order bit set. An I/O error occurred while reading from or writing to the file system. Too many symbolic links were
encountered in translating the pathname. A component of a pathname exceeded PATH_MAX characters, or an entire pathname exceeded NAME_MAX
characters. The named file does not exist or is an empty string. A component of the path prefix is not a directory. Write access is
requested for a file on a read-only file system.
RELATED INFORMATION
Functions: chmod(2), stat(2)
Standards: standards(5) delim off
access(2)