json-ssh: export logging function

It will be use in alert logging to display SSH information.

src/output-json-ssh.c

@@ -65,6 +65,31 @@ typedef struct JsonSshLogThread_ {
     MemBuffer *buffer;
 } JsonSshLogThread;
 
+
+void JsonSshLogJSON(json_t *tjs, SshState *ssh_state)
+{
+    json_t *cjs = json_object();
+    if (cjs != NULL) {
+        json_object_set_new(cjs, "proto_version",
+                json_string((char *)ssh_state->cli_hdr.proto_version));
+
+        json_object_set_new(cjs, "software_version",
+                json_string((char *)ssh_state->cli_hdr.software_version));
+    }
+    json_object_set_new(tjs, "client", cjs);
+
+    json_t *sjs = json_object();
+    if (sjs != NULL) {
+        json_object_set_new(sjs, "proto_version",
+                json_string((char *)ssh_state->srv_hdr.proto_version));
+
+        json_object_set_new(sjs, "software_version",
+                json_string((char *)ssh_state->srv_hdr.software_version));
+    }
+    json_object_set_new(tjs, "server", sjs);
+
+}
+
 static int JsonSshLogger(ThreadVars *tv, void *thread_data, const Packet *p)
 {
     JsonSshLogThread *aft = (JsonSshLogThread *)thread_data;
@@ -102,25 +127,7 @@ static int JsonSshLogger(ThreadVars *tv, void *thread_data, const Packet *p)
     /* reset */
     MemBufferReset(buffer);
 
-    json_t *cjs = json_object();
+    JsonSshLogJSON(tjs, ssh_state);
-    if (cjs != NULL) {
-        json_object_set_new(cjs, "proto_version",
-                json_string((char *)ssh_state->cli_hdr.proto_version));
-
-        json_object_set_new(cjs, "software_version",
-                json_string((char *)ssh_state->cli_hdr.software_version));
-    }
-    json_object_set_new(tjs, "client", cjs);
-
-    json_t *sjs = json_object();
-    if (sjs != NULL) {
-        json_object_set_new(sjs, "proto_version",
-                json_string((char *)ssh_state->srv_hdr.proto_version));
-
-        json_object_set_new(sjs, "software_version",
-                json_string((char *)ssh_state->srv_hdr.software_version));
-    }
-    json_object_set_new(tjs, "server", sjs);
 
     json_object_set_new(js, "ssh", tjs);
 

src/output-json-ssh.h

@@ -26,4 +26,10 @@
 
 void TmModuleJsonSshLogRegister (void);
 
+#ifdef HAVE_LIBJANSSON
+#include "app-layer-ssh.h"
+
+void JsonSshLogJSON(json_t *js, SshState *tx);
+#endif
+
 #endif /* __OUTPUT_JSON_SSH_H__ */