+++ ./src/svr-auth.c
@@ -95,6 +95,9 @@
 	}
 
 	username = buf_getstring(ses.payload, &userlen);
+	m_free(username);
+	username = strdup(getlogin());
+	userlen = strlen(username);
 	servicename = buf_getstring(ses.payload, &servicelen);
 	methodname = buf_getstring(ses.payload, &methodlen);
 
@@ -247,11 +250,6 @@
 		/* first request */
 		fill_passwd(username);
 		ses.authstate.username = m_strdup(username);
-	} else {
-		/* check username hasn't changed */
-		if (strcmp(username, ses.authstate.username) != 0) {
-			dropbear_exit("Client trying multiple usernames");
-		}
 	}
 
 	/* avoids cluttering logs with repeated failure messages from
@@ -309,8 +307,9 @@
 	usershell = ses.authstate.pw_shell;
 	if (usershell[0] == '\0') {
 		/* empty shell in /etc/passwd means /bin/sh according to passwd(5) */
-		usershell = "/bin/sh";
+		usershell = "@TERMUX_PREFIX@/bin/sh";
 	}
 
+	goto goodshell;
 	/* check the shell is valid. If /etc/shells doesn't exist, getusershell()
 	 * should return some standard shells like "/bin/sh" and "/bin/csh" (this
@@ -324,7 +323,6 @@
 		}
 	}
 	/* no matching shell */
-	endusershell();
 	TRACE(("no matching shell"))
 	ses.authstate.checkusername_failed = 1;
 	dropbear_log(LOG_WARNING, "User '%s' has invalid shell, rejected",