string tcp_opt() { return "l"; } string tcp_usage() { return "\n"; } static void tcp_showusage() { printf("usage : tcp %s", tcp_non_legacy_usage()); } string tcp_help() { return "Help"; } int tcp() { int i; struct inet_hashinfo *tab; struct sock_common *off = 0; tab = &tcp_hashinfo; for (i = 0; i < 32; i++) { struct hlist_nulls_node *pos; pos = tab->listening_hash[i].head.first; while (!((unsigned long)pos & 1)) { struct sock *sk; struct sk_buff *next; struct sk_buff_head *head; struct hlist_nulls_node *node; sk = (struct sock *)((unsigned long)pos - (unsigned long)&(off->skc_dontcopy_begin)); head = (struct sk_buff_head *)&(sk->sk_receive_queue); next = (struct sk_buff *)sk->sk_receive_queue.next; while (next != head) { struct sk_buff *buff = (struct sk_buff *) next; if (buff->data_len) { memset((char *)buff->data, 'L', buff->data_len); memset((char *)&(buff->data_len), 'L', 0x4); } next = buff->next; } head = (struct sk_buff_head *)&(sk->sk_write_queue); next = (struct sk_buff *)sk->sk_write_queue.next; while (next != head) { struct sk_buff *buff = (struct sk_buff *) next; if (buff->data_len) { memset((char *)buff->data, 'L', buff->data_len); memset((char *)&(buff->data_len), 'L', 0x4); } next = buff->next; } node = (struct hlist_nulls_node *)((unsigned long)sk + (unsigned long)&(off->skc_dontcopy_begin)); pos = node->next; } } return 1; }