added hotspot functions

WIP

src/hotspot.rs

@@ -0,0 +1,88 @@
+use std::error::Error;
+use tokio::process::Command;
+
+const SSID: &str = "fwa";
+const CON_NAME: &str = "fwa-hotspot";
+const PASSWORD: &str = "hunter22";
+const IPV4_ADDRES: &str = "192.168.4.1/24";
+
+async fn create_hotspot() -> Result<(), Box<dyn Error>> {
+    let mut cmd = Command::new("nmcli")
+        .args(["device", "wifi", "hotspot"])
+        .arg("con-name")
+        .arg(CON_NAME)
+        .arg("ssid")
+        .arg(SSID)
+        .arg("password")
+        .arg(PASSWORD)
+        .spawn()?;
+
+    let status = cmd.wait().await?;
+
+    if !status.success() {
+        return Err("Failed to create hotspot".into());
+    }
+
+    let mut cmd = Command::new("nmcli")
+        .arg("connection")
+        .arg("modify")
+        .arg(CON_NAME)
+        .arg("ipv4.method")
+        .arg("shared")
+        .arg("ipv4.addresses")
+        .arg(IPV4_ADDRES)
+        .spawn()?;
+
+    let status = cmd.wait().await?;
+
+    if !status.success() {
+        return Err("Failed to create hotspot".into());
+    }
+
+    Ok(())
+}
+
+async fn exists() -> Result<bool, Box<dyn Error>> {
+    let mut cmd = Command::new("nmcli")
+        .args(["connection", "show"])
+        .arg(CON_NAME)
+        .spawn()?;
+
+    let status = cmd.wait().await?;
+
+    Ok(status.success())
+}
+
+pub async fn enable_hotspot() -> Result<(), Box<dyn Error>> {
+    if !exists().await? {
+        create_hotspot().await?;
+    }
+
+    let mut cmd = Command::new("nmcli")
+        .args(["connection", "up"])
+        .arg(CON_NAME)
+        .spawn()?;
+
+    let status = cmd.wait().await?;
+
+    if !status.success() {
+        return Err("Failed to enable hotspot".into());
+    }
+
+    Ok(())
+}
+
+pub async fn disable_hotspot() -> Result<(), Box<dyn Error>> {
+    let mut cmd = Command::new("nmcli")
+        .args(["connection", "down"])
+        .arg(CON_NAME)
+        .spawn()?;
+
+    let status = cmd.wait().await?;
+
+    if !status.success() {
+        return Err("Failed to enable hotspot".into());
+    }
+
+    Ok(())
+}