/* * Something else arrives. */ static bool test_tcp_trans_state_handle_else(void) { struct session_entry *session; struct expire_timer *expirer; struct packet pkt; struct sk_buff *skb; unsigned long timeout = 0; bool success = true; /* Prepare */ session = session_create_str_tcp("1::2", 1212, "3::4", 3434, "5.6.7.8", 5678, "8.7.6.5", 8765, TRANS); if (!session) return false; if (is_error(create_tcp_packet(&skb, L3PROTO_IPV4, true, false, false))) return false; if (is_error(pkt_init_ipv4(&pkt, skb))) return false; /* Evaluate */ success &= assert_equals_int(0, tcp_trans_state_handle(&pkt, session, &expirer), "else-result"); success &= assert_equals_u8(ESTABLISHED, session->state, "else-state"); success &= assert_equals_int(0, sessiondb_get_timeout(session, &timeout), "else-toresult"); success &= assert_equals_ulong(TCPEST_TIMEOUT, timeout, "else-lifetime"); kfree_skb(skb); return success; }
/* * A V6 RST packet arrives. */ static bool test_tcp_established_state_handle_v6rst(void) { struct session_entry *session; struct expire_timer *expirer; struct sk_buff *skb; unsigned long timeout; bool success = true; /* Prepare */ session = session_create_str_tcp("1::2", 1212, "3::4", 3434, "5.6.7.8", 5678, "8.7.6.5", 8765, ESTABLISHED); if (!session) return false; if (is_error(create_tcp_packet(&skb, L3PROTO_IPV6, false, true, false))) return false; /* Evaluate */ success &= assert_equals_int(0, tcp_established_state_handle(skb, session, &expirer), "result"); success &= assert_equals_u8(TRANS, session->state, "V6 rst-state"); success &= assert_equals_int(0, sessiondb_get_timeout(session, &timeout), "V6 rst-toresult"); success &= assert_equals_ulong(TCPTRANS_TIMEOUT, timeout, "V6 rst-lifetime"); kfree_skb(skb); return success; }
/* * A V6 FIN packet arrives. */ static bool test_tcp_v4_fin_rcv_state_handle_v6fin(void) { struct session_entry *session; struct expire_timer *expirer; struct packet pkt; struct sk_buff *skb; unsigned long timeout = 0; bool success = true; /* Prepare */ session = session_create_str_tcp("1::2", 1212, "3::4", 3434, "5.6.7.8", 5678, "8.7.6.5", 8765, V4_FIN_RCV); if (!session) return false; if (is_error(create_tcp_packet(&skb, L3PROTO_IPV6, false, false, true))) return false; if (is_error(pkt_init_ipv6(&pkt, skb))) return false; /* Evaluate */ success &= assert_equals_int(0, tcp_v4_fin_rcv_state_handle(&pkt, session, &expirer), "V6 fin-result"); success &= assert_equals_u8(V4_FIN_V6_FIN_RCV, session->state, "V6 fin-state"); success &= assert_equals_int(0, sessiondb_get_timeout(session, &timeout), "V6 fin-toresult"); success &= assert_equals_ulong(TCPTRANS_TIMEOUT, timeout, "V6 fin-lifetime"); kfree_skb(skb); return success; }
static int session_entry_to_userspace(struct session_entry *entry, void *arg) { struct nl_buffer *buffer = (struct nl_buffer *) arg; struct session_entry_usr entry_usr; unsigned long dying_time; int error; error = sessiondb_get_timeout(entry, &dying_time); if (error) return error; dying_time += entry->update_time; entry_usr.remote6 = entry->remote6; entry_usr.local6 = entry->local6; entry_usr.local4 = entry->local4; entry_usr.remote4 = entry->remote4; entry_usr.state = entry->state; entry_usr.dying_time = (dying_time > jiffies) ? jiffies_to_msecs(dying_time - jiffies) : 0; return nlbuffer_write(buffer, &entry_usr, sizeof(entry_usr)); }