1 files changed, 54 insertions, 0 deletions
diff --git a/decoders/ftp/ftp_decoder_hash.h b/decoders/ftp/ftp_decoder_hash.h
new file mode 100644
index 0000000..f8f5468
--- /dev/null
+++ b/decoders/ftp/ftp_decoder_hash.h
@@ -0,0 +1,54 @@
+#pragma once
+#include <stddef.h>
+#include <arpa/inet.h>
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+#include "stellar/session.h"
+#include "stellar/log.h"
+#include "stellar/module.h"
+#include "stellar/mq.h"
+#include "uthash/uthash.h"
+#ifdef __cplusplus
+}
+#endif
+
+#define FTP_HASH_STRING_BUF_SIZE (256)
+#define FTP_HASH_ITEM_TIMEOUT (30) // seconds
+
+struct ftp_session_addr /* network order */
+{
+    int af_inet; // AF_INET or AF_INET6
+    uint16_t sport;
+    uint16_t dport;
+    union
+    {
+        uint32_t saddr4;
+        struct in6_addr saddr6;
+    };
+    union
+    {
+        uint32_t daddr4;
+        struct in6_addr daddr6;
+    };
+} __attribute__((packed));
+typedef struct ftp_session_addr ftp_hash_key_t;
+
+struct ftp_datalink_htable
+{
+    UT_hash_handle hh;
+    struct ftp_datalink_htable *next, *prev; // for timeout fifo list
+    ftp_hash_key_t hkey;
+    time_t insert_htable_time;
+    struct ftp_decoder_exdata *ftp_ext; // data link exdata
+};
+
+int ftp_hash_add(const ftp_hash_key_t *key, u_int32_t key_len, struct ftp_datalink_htable *new_item);
+struct ftp_datalink_htable *ftp_hash_search(const ftp_hash_key_t *key);
+void ftp_hash_del(const ftp_hash_key_t *key);
+void ftp_session_get_addr(const struct session *sess, struct ftp_session_addr *addr);
+void ftp_make_hkey_v4(ftp_hash_key_t *keyv4, uint32_t sip_net, uint32_t dip_net, uint16_t dip_port_net);
+void ftp_make_hkey_v6(ftp_hash_key_t *keyv6, const struct in6_addr *sip, const struct in6_addr *dip, uint16_t dip_port_net);
+const char *ftp_hash_key_to_str(const struct ftp_session_addr *hkey);
+void ftp_session_get_addr(const struct session *sess, struct ftp_session_addr *addr);
+\ No newline at end of file