SSHOW - Implementation (cont.)


Interactive session tracking

struct line {
 	int input_count;			/* input packets (client to server) */
 	int input_size;			/* input size (estimated) */
 	int input_last;			/* last input packet size */
 	int echo_count;			/* echo packets (server to client) */
};

if (session->state == 2) {
...
 	/* Check for backspace */
 	if (session->protocol == 1 && !session->compressed &&
 	    plain_range->min == 4 + 3 &&
 	    session->line.input_size >= 2)
 		session->line.input_size -= 2;