Linux User / Group Matrix
Generate a matrix report containing the Linux user / groups.
Getting Started:
Clone the project repository:
git clone https://github.com/fredpedroso/linux-users-groups
Requirements:
Install the requirements:
pip install -r requirements.txt
How to use:
Analyze from system running:
python dac.py --sys_running
Analyze from file:
python dac.py --passwd <file> --group <file>
The report will be generated in the report folder.
Appendix
User accounts
User accounts are stored in /etc/passwd
username:password:UID:GID:GECOS:homedir:shell
- username: This is the user's login name. It should not contain capital letters and should be between 1 and 32 characters in length.
- password: An x character indicates that the password is stored in /etc/shadow file.
- UID: Each user must be assigned a user ID (UID).
- GID: The primary group ID (stored in /etc/group file)
- GECOS: This field (sometimes called the "comment field") is optional and used only for informational purposes. Usually, it contains the full username.
- homedir: The absolute path to the directory the user will be in when they log in. If this directory does not exist, then users directory becomes /
- shell: : The absolute path of a command or shell (/bin/bash). Typically, this is a shell. Please note that it does not have to be a shell.
Groups
Groups are stored in /etc/group
group_name:password:GID:user_list
- group_name: The name of the group.
- password: The (encrypted) group password. If this field is empty, no password is needed.
- GID: The numeric group ID.
- user_list: A list of the usernames that are members of this group, separated by commas.