Work on server and client connectivity

unshell-rs-lib/src/connection/packets.rs

@@ -0,0 +1,43 @@
+use std::fmt;
+
+use serde::{Deserialize, Serialize};
+use serde_json::Result;
+
+use crate::config::campaign::CampaignConfig;
+
+#[derive(Serialize, Deserialize, Debug)]
+pub enum C2Packet {
+    GetClients,
+    AckGetClients,
+
+    RequestCampaign,
+    AckRequestCampaign(CampaignConfig),
+
+    SetCampaign(CampaignConfig),
+    AckSetCampaign,
+
+    Error(ErrorPacket),
+
+    Sysinfo { hostname: String },
+}
+
+#[derive(Serialize, Deserialize, Debug)]
+pub enum ErrorPacket {
+    UnsupportedRequestError,
+}
+
+impl fmt::Debug for CampaignConfig {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(f, "CampaignConfig")
+    }
+}
+
+impl C2Packet {
+    pub fn encode(&self) -> Result<String> {
+        serde_json::to_string(self)
+    }
+
+    pub fn decode(string: &str) -> Result<Self> {
+        serde_json::from_str::<Self>(string)
+    }
+}