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Added some parameter checks from linux kernel syscall source

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This commit is contained in:
Joseph Henry 2015-10-13 14:27:30 -04:00
commit 73145de618
4 changed files with 39 additions and 16 deletions
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18
netcon/NetconEthernetTap.cpp
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@ -700,17 +700,13 @@ void NetconEthernetTap::nc_err(void *arg, err_t err)
*/
err_t NetconEthernetTap::nc_poll(void* arg, struct tcp_pcb *tpcb)
{
uint64_t now = OSUtils::now();
//fprintf(stderr, "nc_poll(): now = %u\n", now);
//fprintf(stderr, "nc_poll\n");
/*
Larg *l = (Larg*)arg;
TcpConnection *conn = l->conn;
NetconEthernetTap *tap = l->tap;
if(conn && conn->idx) // if valid connection and non-zero index (indicating data present)
tap->handle_write(conn);
*/
return ERR_OK;
}
@ -736,7 +732,6 @@ err_t NetconEthernetTap::nc_sent(void* arg, struct tcp_pcb *tpcb, u16_t len)
//uint64_t now = OSUtils::now();
//fprintf(stderr, "nc_sent(): now = %u\n", now);
l->tap->_phy.whack();
//l->tap->handle_write(l->conn);
}
return ERR_OK;
}
@ -856,10 +851,10 @@ void NetconEthernetTap::handle_bind(PhySocket *sock, void **uptr, struct bind_st
* @param structure containing the data and parameters for this client's RPC
*
[ ] EADDRINUSE - Another socket is already listening on the same port.
[?] EADDRINUSE - Another socket is already listening on the same port.
[X] EBADF - The argument sockfd is not a valid descriptor.
[ ] ENOTSOCK - The argument sockfd is not a socket.
[ ] EOPNOTSUPP - The socket is not of a type that supports the listen() operation.
[i] ENOTSOCK - The argument sockfd is not a socket.
[i] EOPNOTSUPP - The socket is not of a type that supports the listen() operation.
*/
void NetconEthernetTap::handle_listen(PhySocket *sock, void **uptr, struct listen_st *listen_rpc)
@ -886,6 +881,7 @@ void NetconEthernetTap::handle_listen(PhySocket *sock, void **uptr, struct liste
}
}
else {
// We can't find a connection mapped to the socket fd provided
fprintf(stderr, "handle_listen(): can't locate connection for PCB\n");
send_return_value(conn, -1, EBADF);
}
@ -954,7 +950,7 @@ void NetconEthernetTap::handle_socket(PhySocket *sock, void **uptr, struct socke
[i] EACCES - For UNIX domain sockets, which are identified by pathname: Write permission is denied ...
[ ] EACCES, EPERM - The user tried to connect to a broadcast address without having the socket broadcast flag enabled ...
[i] EADDRINUSE - Local address is already in use.
[?] EAFNOSUPPORT - The passed address didn't have the correct address family in its sa_family field.
[i] EAFNOSUPPORT - The passed address didn't have the correct address family in its sa_family field.
[ ] EAGAIN - No more free local ports or insufficient entries in the routing cache.
[ ] EALREADY - The socket is nonblocking and a previous connection attempt has not yet been completed.
[ ] EBADF - The file descriptor is not a valid index in the descriptor table.