feat: Add User Manager

docs/userguide.md

@@ -30,3 +30,11 @@
 ## Security Features
 
 - **Firewall Baselines**: Sets up firewall rules.
+
+## Utilities
+
+- **Monitor Control**: Controls monitor settings on X11.
+- **Bluetooth Control**: Controls Bluetooth settings.
+- **Wifi Control**: Controls WiFi settings.
+- **Numlock Control**: Sets up Numlock on boot.
+- **User Management**: Manages users and groups.

tabs/utils/tab_data.toml

@@ -65,3 +65,7 @@ script = "monitor-control/scale_monitor.sh"
 name = "Reset Scaling"
 script = "monitor-control/reset_scaling.sh"
 matches = true
+
+[[data]]
+name = "User Manager"
+script = "user-manager.sh"

tabs/utils/user-manager.sh

@@ -0,0 +1,263 @@
+#!/bin/sh -e
+
+. ../common-script.sh
+
+mainMenu() {
+    while true; do
+        clear
+        printf "%b\n" "${YELLOW}User Control Panel${RC}"
+        printf "%b\n" "${YELLOW}=================${RC}"
+        echo "1. Create a new user"
+        echo "2. Delete a user"
+        echo "3. Modify a user"
+        echo "0. Exit"
+        read -e -p "Choose an option: " choice
+
+        case "$choice" in
+            1) createUser ;;
+            2) deleteUser ;;
+            3) modifyUser ;;
+            0) exit 0 ;;
+            *) printf "%b\n" "${RED}Invalid option. Please [Enter] to try again.${RC}"; read -r ;;
+        esac
+    done
+}
+
+createUser() {
+    clear
+    printf "%b\n" "${YELLOW}Create a new user${RC}"
+    printf "%b\n" "${YELLOW}=================${RC}"
+    read -e -p "Enter the username: " username
+
+    # Check if username is empty
+    if [ -z "$username" ]; then
+        printf "%b\n" "${RED}Invalid username${RC}"
+        printf "%b\n" "${RED}Press [Enter] to continue...${RC}"
+        read -r
+        return
+    fi
+
+    # Check if user already exists
+    if id "$username" > /dev/null 2>&1; then
+        printf "%b\n" "${RED}User already exists${RC}"
+        printf "%b\n" "${RED}Press [Enter] to continue...${RC}"
+        read -r
+        return
+    fi
+
+    # Check if username is valid
+    if ! echo "$username" | grep -Eq '^[a-z][-a-z0-9_]+$'; then
+        printf "%b\n" "${RED}Username must only contain letters, numbers, hyphens, and underscores. It cannot start with a number or contain spaces.${RC}"
+        printf "%b\n" "${RED}Press [Enter] to continue...${RC}"
+        read -r
+        return
+    fi
+
+    password=""
+    password2=""
+
+    promptPassword() {
+        read -s -p "Enter the password: " password
+        echo # Moves to a new line after the password input
+        read -s -p "Re-enter the password: " password2
+        echo # Moves to a new line after the password input
+
+        if [ "$password" != "$password2" ]; then
+            printf "%b\n" "${RED}Passwords do not match${RC}"
+            printf "%b\n" "${RED}Press [Enter] to continue...${RC}"
+            read -r
+            promptPassword
+        fi
+    }
+
+    promptPassword
+
+    $ESCALATION_TOOL useradd -m "$username" -g users -G wheel,audio,video -s /bin/bash
+    echo "$username:$password" | $ESCALATION_TOOL chpasswd
+
+    printf "%b\n" "${GREEN}User created successfully${RC}"
+    printf "%b\n" "${GREEN}Press [Enter] to continue...${RC}"
+    read -r
+}
+
+deleteUser() {
+    clear
+    printf "%b\n" "${YELLOW}Delete a user${RC}"
+    printf "%b\n" "${YELLOW}=================${RC}"
+    read -e -p "Enter the username: " username
+
+    # Check if username is empty
+    if [ -z "$username" ]; then
+        printf "%b\n" "${RED}Invalid username${RC}"
+        printf "%b\n" "${RED}Press [Enter] to continue...${RC}"
+        read -r
+        return
+    fi
+
+    # Check if system reserved user
+    if [ "$(id -u "$username")" -le 999 ]; then
+        printf "%b\n" "${RED}Cannot delete system users${RC}"
+        printf "%b\n" "${RED}Press [Enter] to continue...${RC}"
+        read -r
+        return
+    fi
+
+    # Check if current user
+    if [ "$username" = "$USER" ]; then
+        printf "%b\n" "${RED}Cannot delete the current user${RC}"
+        printf "%b\n" "${RED}Press [Enter] to continue...${RC}"
+        read -r
+        return
+    fi
+
+    # Check if valid user
+    if ! id "$username" > /dev/null 2>&1; then
+        printf "%b\n" "${RED}User does not exist${RC}"
+        printf "%b\n" "${RED}Press [Enter] to continue...${RC}"
+        read -r
+        return
+    fi
+
+    $ESCALATION_TOOL userdel --remove "$username" 2>/dev/null
+    printf "%b\n" "${GREEN}User deleted successfully${RC}"
+    printf "%b\n" "${GREEN}Press [Enter] to continue...${RC}"
+    read -r
+}
+
+modifyUser() {
+    clear
+    printf "%b\n" "${YELLOW}Modify a user${RC}"
+    printf "%b\n" "${YELLOW}=================${RC}"
+    read -e -p "Enter the username: " username
+
+    # Check if username is empty
+    if [ -z "$username" ]; then
+        printf "%b\n" "${RED}Invalid username${RC}"
+        printf "%b\n" "${RED}Press [Enter] to continue...${RC}"
+        read -r
+        return
+    fi
+
+    # Check if user exists
+    if ! id "$username" > /dev/null 2>&1; then
+        printf "%b\n" "${RED}User does not exist${RC}"
+        printf "%b\n" "${RED}Press [Enter] to continue...${RC}"
+        read -r
+        return
+    fi
+
+    # Check if system reserved user
+    if [ "$(id -u "$username")" -le 999 ] && [ "$(id -u "$username")" -ne 0 ]; then
+        printf "%b\n" "${RED}Cannot modify system users${RC}"
+        printf "%b\n" "${RED}Press [Enter] to continue...${RC}"
+        read -r
+        return
+    fi
+
+    while true; do
+        clear
+        printf "%b\n" "${YELLOW}Modifying user $username${RC}"
+        printf "%b\n" "${YELLOW}=================${RC}"
+        echo "1. Change password"
+        echo "2. Add to group"
+        echo "3. Remove from group"
+        echo "0. Exit"
+        read -e -p "Choose an option: " choice
+
+        case "$choice" in
+            1) changePassword "$username" ;;
+            2) addToGroup "$username" ;;
+            3) removeFromGroup "$username" ;;
+            0) break ;;
+            *) printf "%b\n" "${RED}Invalid option. Please [Enter] to try again.${RC}"; read -r ;;
+        esac
+    done
+}
+
+changePassword() {
+    clear
+    printf "%b\n" "${YELLOW}Change password${RC}"
+    printf "%b\n" "${YELLOW}=================${RC}"
+    password=""
+    password2=""
+
+    promptPassword() {
+        read -s -p "Enter the password: " password
+        echo # Moves to a new line after the password input
+        read -s -p "Re-enter the password: " password2
+        echo # Moves to a new line after the password input
+
+        if [ "$password" != "$password2" ]; then
+            printf "%b\n" "${RED}Passwords do not match${RC}"
+            printf "%b\n" "${RED}Press [Enter] to continue...${RC}"
+            read -r
+            promptPassword
+        fi
+    }
+
+    promptPassword
+
+    echo "$1:$password" | $ESCALATION_TOOL chpasswd
+    printf "%b\n" "${GREEN}Password changed successfully${RC}"
+    printf "%b\n" "${GREEN}Press [Enter] to continue...${RC}"
+    read -r
+}
+
+addToGroup() {
+    clear
+    printf "%b\n" "${YELLOW}Add to group${RC}"
+    printf "%b\n" "${YELLOW}=================${RC}"
+    read -e -p "Enter the group name: " group
+
+    # Check if group is empty
+    if [ -z "$group" ]; then
+        printf "%b\n" "${RED}Invalid group name${RC}"
+        printf "%b\n" "${RED}Press [Enter] to continue...${RC}"
+        read -r
+        return
+    fi
+
+    # Check if group exists
+    if ! getent group "$group" > /dev/null 2>&1; then
+        printf "%b\n" "${RED}Group does not exist${RC}"
+        printf "%b\n" "${RED}Press [Enter] to continue...${RC}"
+        read -r
+        return
+    fi
+
+    $ESCALATION_TOOL usermod -aG "$group" "$1"
+    printf "%b\n" "${GREEN}User added to group successfully${RC}"
+    printf "%b\n" "${GREEN}Press [Enter] to continue...${RC}"
+    read -r
+}
+
+removeFromGroup() {
+    clear
+    printf "%b\n" "${YELLOW}Remove from group${RC}"
+    printf "%b\n" "${YELLOW}=================${RC}"
+    read -e -p "Enter the group name: " group
+
+    # Check if group is empty
+    if [ -z "$group" ]; then
+        printf "%b\n" "${RED}Invalid group name${RC}"
+        printf "%b\n" "${RED}Press [Enter] to continue...${RC}"
+        read -r
+        return
+    fi
+
+    # Check if group exists
+    if ! getent group "$group" > /dev/null 2>&1; then
+        printf "%b\n" "${RED}Group does not exist${RC}"
+        printf "%b\n" "${RED}Press [Enter] to continue...${RC}"
+        read -r
+        return
+    fi
+
+    $ESCALATION_TOOL gpasswd -d "$1" "$group"
+    printf "%b\n" "${GREEN}User removed from group successfully${RC}"
+    printf "%b\n" "${GREEN}Press [Enter] to continue...${RC}"
+    read -r
+}
+
+checkEscalationTool
+mainMenu