initial import

1 files changed, 44 insertions, 0 deletions

diff --git a/include/sniffer.h b/include/sniffer.h
new file mode 100644
index 0000000..8b85100
--- /dev/null
+++ b/include/sniffer.h
@@ -0,0 +1,44 @@
+#pragma once
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "agent_context.h"
+#include "net.h"
+
+#ifndef TH_FIN
+#define TH_FIN 0x01
+#endif
+
+#ifndef TH_SYN
+#define TH_SYN 0x02
+#endif
+
+#ifndef TH_RST
+#define TH_RST 0x04
+#endif
+
+#ifndef TH_PUSH
+#define TH_PUSH 0x08
+#endif
+
+#ifndef TH_ACK
+#define TH_ACK 0x10
+#endif
+
+#ifndef TH_URG
+#define TH_URG 0x20
+#endif
+
+#ifndef TH_ECE
+#define TH_ECE 0x40
+#endif
+
+#ifndef TH_CWR
+#define TH_CWR 0x80
+#endif
+
+sock_t sniffer_init_interface(const char *interface, bool promisc);
+void sniffer_handle_packet(sock_t sniffer, agent_context_t *ctx);
+
+pid_t match_udp_inode(uint32_t ip_be, uint16_t port_be);