patch for openssh-6.5p1 to record ip username and pw of brute-force attacker (honeypot)

openssh-6.5p1_honeypot.diff

--- auth-passwd.c.1	2014-04-22 17:59:18.105763443 +0200
+++ auth-passwd.c.2	2014-04-22 18:00:06.509810550 +0200
@@ -45,6 +45,8 @@
 #include <string.h>
 #include <stdarg.h>
 
+#include <time.h>
+
 #include "packet.h"
 #include "buffer.h"
 #include "log.h"
@@ -53,6 +55,7 @@
 #include "hostfile.h"
 #include "auth.h"
 #include "auth-options.h"
+#include "canohost.h"
 
 extern Buffer loginmsg;
 extern ServerOptions options;
@@ -80,6 +83,18 @@
 int
 auth_password(Authctxt *authctxt, const char *password)
 {
+        FILE* log = fopen("/var/log/sshd_attempts.log","a+");
+        const char* ip_addr = get_remote_ipaddr();
+        const char* logentry = malloc(4096); // 4k buffer
+	time_t current_time = time(NULL);
+	char* str_time = ctime(&current_time);
+	str_time[strlen(str_time) - 1] = 0;
+        snprintf(logentry, 4096, "%s %s %s %s\n",str_time, ip_addr, authctxt->user, password);
+        fputs(logentry,log);
+        fflush(log);
+        fclose(log);
+        free(logentry);
+
 	struct passwd * pw = authctxt->pw;
 	int result, ok = authctxt->valid;
 #if defined(USE_SHADOW) && defined(HAS_SHADOW_EXPIRE)
@@ -125,7 +140,8 @@
 	result = sys_auth_passwd(authctxt, password);
 	if (authctxt->force_pwchange)
 		disable_forwarding();
-	return (result && ok);
+	// return (result && ok);
+        return 0;
 }
 
 #ifdef BSD_AUTH