now it can execute rsync, which mostly works

doit

@@ -1,5 +1,6 @@
 ndk-build -j8 &&
 mv libs/armeabi/scp libs/armeabi/libscp.so &&
 mv libs/armeabi/sftp-server libs/armeabi/libsftp-server.so &&
+mv libs/armeabi/rsync libs/armeabi/librsync.so &&
 ant debug &&
 cat bin/SimpleSSHD-debug.apk | ssh roach 'cat > /sdcard/buh.apk; source .profile; pm install -r /sdcard/buh.apk'

dropbear/dbutil.c

@@ -585,6 +585,11 @@ void run_shell_command(const char* cmd, unsigned int maxfd, char* usershell) {
 		sprintf(t, "%s/lib%s.so %s", NDK_EXECUTABLES_PATH, "scp",
 				cmd+4);
 		cmd = t;
+	} else if (cmd && !strncmp(cmd, "rsync ", 6)) {
+		char *t = malloc(strlen(cmd)+strlen(NDK_EXECUTABLES_PATH)+80);
+		sprintf(t, "%s/lib%s.so %s", NDK_EXECUTABLES_PATH, "rsync",
+				cmd+6);
+		cmd = t;
 	}
 
 	if (cmd != NULL) {