C++ LIST_DATA函数代码示例

// Stop all L3 switches in the Cedar
void L3FreeAllSw(CEDAR *c)
{
	LIST *o;
	UINT i;
	// Validate arguments
	if (c == NULL)
	{
		return;
	}

	o = NewListFast(NULL);

	LockList(c->L3SwList);
	{
		for (i = 0;i < LIST_NUM(c->L3SwList);i++)
		{
			L3SW *s = LIST_DATA(c->L3SwList, i);
			Insert(o, CopyStr(s->Name));
		}

		for (i = 0;i < LIST_NUM(o);i++)
		{
			char *name = LIST_DATA(o, i);

			L3DelSw(c, name);

			Free(name);
		}

		ReleaseList(o);
	}
	UnlockList(c->L3SwList);
}

// Clean-up the L3 switch
void CleanupL3Sw(L3SW *s)
{
	UINT i;
	// Validate arguments
	if (s == NULL)
	{
		return;
	}

	for (i = 0;i < LIST_NUM(s->IfList);i++)
	{
		L3IF *f = LIST_DATA(s->IfList, i);
		Free(f);
	}
	ReleaseList(s->IfList);

	for (i = 0;i < LIST_NUM(s->TableList);i++)
	{
		L3TABLE *t = LIST_DATA(s->TableList, i);
		Free(t);
	}
	ReleaseList(s->TableList);

	DeleteLock(s->lock);
	Free(s);
}

// Configuration release
void ElFreeConfig(EL *e)
{
	UINT i;
	LIST *o;
	// Validate arguments
	if (e == NULL)
	{
		return;
	}

	// Write the configuration file
	ElSaveConfig(e);
	FreeCfgRw(e->CfgRw);

	// Stop all capture
	o = NewList(NULL);
	LockList(e->DeviceList);
	{
		for (i = 0;i < LIST_NUM(e->DeviceList);i++)
		{
			EL_DEVICE *d = LIST_DATA(e->DeviceList, i);
			Insert(o, CopyStr(d->DeviceName));
		}
		for (i = 0;i < LIST_NUM(o);i++)
		{
			char *name = LIST_DATA(o, i);
			ElDeleteCaptureDevice(e, name);
			Free(name);
		}
		ReleaseList(o);
	}
	UnlockList(e->DeviceList);

	ReleaseList(e->DeviceList);
}

// Delete old entries in Non-SSL connection list
void DeleteOldNoSsl(CEDAR *c)
{
	UINT i;
	LIST *o;
	// Validate arguments
	if (c == NULL)
	{
		return;
	}

	o = NewListFast(NULL);

	for (i = 0;i < LIST_NUM(c->NonSslList);i++)
	{
		NON_SSL *n = LIST_DATA(c->NonSslList, i);

		if (n->EntryExpires <= Tick64())
		{
			Add(o, n);
		}
	}

	for (i = 0;i < LIST_NUM(o);i++)
	{
		NON_SSL *n = LIST_DATA(o, i);

		Delete(c->NonSslList, n);
		Free(n);
	}

	ReleaseList(o);
}

// Search adapter with the name
struct WP_ADAPTER *Win32EthSearch(char *name)
{
	UINT i;
	UINT id;
	char simple_name[MAX_SIZE];
	WP_ADAPTER *ret = NULL;

	id = Win32EthGetNameAndIdFromCombinedName(simple_name, sizeof(simple_name), name);

	if (id != 0)
	{
		UINT num_match = 0;
		// Search with ID when ID is specified
		for (i = 0;i < LIST_NUM(eth_list);i++)
		{
			WP_ADAPTER *a = LIST_DATA(eth_list, i);

			if (a->Id != 0 && a->Id == id)
			{
				ret = a;
				num_match++;
			}
		}

		if (num_match >= 2)
		{
			// If the ID matches to 2 or more devices, search with the name
			for (i = 0;i < LIST_NUM(eth_list);i++)
			{
				WP_ADAPTER *a = LIST_DATA(eth_list, i);

				if (a->Id != 0 && a->Id == id)
				{
					if (StrCmpi(a->Title, name) == 0)
					{
						ret = a;
						break;
					}
				}
			}
		}
	}
	else
	{
		// Search with name when ID is not specified
		for (i = 0;i < LIST_NUM(eth_list);i++)
		{
			WP_ADAPTER *a = LIST_DATA(eth_list, i);

			if (StrCmpi(a->Title, name) == 0)
			{
				ret = a;
				break;
			}
		}
	}

	return ret;
}

// Release the Layer-3 interface
void L3FreeInterface(L3IF *f)
{
	UINT i;
	L3PACKET *p;
	PKT *pkt;
	// Validate arguments
	if (f == NULL)
	{
		return;
	}

	for (i = 0;i < LIST_NUM(f->ArpTable);i++)
	{
		L3ARPENTRY *a = LIST_DATA(f->ArpTable, i);
		Free(a);
	}
	ReleaseList(f->ArpTable);
	f->ArpTable = NULL;

	for (i = 0;i < LIST_NUM(f->ArpWaitTable);i++)
	{
		L3ARPWAIT *w = LIST_DATA(f->ArpWaitTable, i);
		Free(w);
	}
	ReleaseList(f->ArpWaitTable);
	f->ArpWaitTable = NULL;

	while (p = GetNext(f->IpPacketQueue))
	{
		Free(p->Packet->PacketData);
		FreePacket(p->Packet);
		Free(p);
	}
	ReleaseQueue(f->IpPacketQueue);
	f->IpPacketQueue = NULL;

	for (i = 0;i < LIST_NUM(f->IpWaitList);i++)
	{
		L3PACKET *p = LIST_DATA(f->IpWaitList, i);
		Free(p->Packet->PacketData);
		FreePacket(p->Packet);
		Free(p);
	}
	ReleaseList(f->IpWaitList);
	f->IpWaitList = NULL;

	while (pkt = GetNext(f->SendQueue))
	{
		Free(pkt->PacketData);
		FreePacket(pkt);
	}
	ReleaseQueue(f->SendQueue);
	f->SendQueue = NULL;
}

// Stop the iptables management
void EndAddIpTablesEntryForNativeStack(IPTABLES_STATE *s)
{
	UINT i;
	if (s == NULL)
	{
		return;
	}

	// Delete entries
	for (i = 0; i < LIST_NUM(s->EntryList);i++)
	{
		IPTABLES_ENTRY *e = LIST_DATA(s->EntryList, i);
		UINT j;

		for (j = 0;j < 100;j++)
		{
			if (GetCurrentIpTableLineNumber(e->Chain, &e->DummySrcIp, &e->DummyDestIP, e->DummyMark) != 0)
			{
				char cmdline[MAX_PATH];

				Format(cmdline, sizeof(cmdline),
					"iptables -D %s %s",
					e->Chain, e->ConditionAndArgs);

				system(cmdline);
			}
			else
			{
				break;
			}
		}
	}

	FreeIpTablesState(s);
}

// Build the Attribute list
BUF *SstpBuildAttributeList(LIST *o, USHORT message_type)
{
	UINT i;
	BUF *b;
	USHORT us;
	// Validate arguments
	if (o == NULL)
	{
		return NULL;
	}

	b = NewBuf();

	us = Endian16(message_type);
	WriteBuf(b, &us, sizeof(USHORT));

	us = Endian16((USHORT)LIST_NUM(o));
	WriteBuf(b, &us, sizeof(USHORT));

	for (i = 0;i < LIST_NUM(o);i++)
	{
		SSTP_ATTRIBUTE *a = LIST_DATA(o, i);
		BUF *ab = SstpBuildAttribute(a);

		if (ab != NULL)
		{
			WriteBufBuf(b, ab);

			FreeBuf(ab);
		}
	}

	return b;
}

// Delete trusted CA from Cedar
bool DeleteCa(CEDAR *cedar, UINT ptr)
{
	bool b = false;
	// Validate arguments
	if (cedar == NULL || ptr == 0)
	{
		return false;
	}

	LockList(cedar->CaList);
	{
		UINT i;

		for (i = 0;i < LIST_NUM(cedar->CaList);i++)
		{
			X *x = LIST_DATA(cedar->CaList, i);

			if (POINTER_TO_KEY(x) == ptr)
			{
				Delete(cedar->CaList, x);
				FreeX(x);

				b = true;

				break;
			}
		}
	}
	UnlockList(cedar->CaList);

	return b;
}

// Add trusted CA to Cedar
void AddCa(CEDAR *cedar, X *x)
{
	// Validate arguments
	if (cedar == NULL || x == NULL)
	{
		return;
	}

	LockList(cedar->CaList);
	{
		UINT i;
		bool ok = true;

		for (i = 0;i < LIST_NUM(cedar->CaList);i++)
		{
			X *exist_x = LIST_DATA(cedar->CaList, i);
			if (CompareX(exist_x, x))
			{
				ok = false;
				break;
			}
		}

		if (ok)
		{
			Insert(cedar->CaList, CloneX(x));
		}
	}
	UnlockList(cedar->CaList);
}

// Check whether there is any EAP-enabled RADIUS configuration
bool CedarIsThereAnyEapEnabledRadiusConfig(CEDAR *c)
{
	bool ret = false;
	UINT i;
	if (c == NULL)
	{
		return false;
	}

	LockHubList(c);
	{
		for (i = 0;i < LIST_NUM(c->HubList);i++)
		{
			HUB *hub = LIST_DATA(c->HubList, i);

			if (hub->RadiusConvertAllMsChapv2AuthRequestToEap)
			{
				ret = true;
				break;
			}
		}
	}
	UnlockHubList(c);

	return ret;
}

// Search an entry
IPTABLES_ENTRY *SearchIpTables(IPTABLES_STATE *s, char *chain, IP *src_ip, IP *dest_ip, UINT mark)
{
	char ip_str1[64];
	char ip_str2[64];
	char mark_str1[64];
	char mark_str2[64];
	UINT i;
	if (s == NULL || chain == NULL || src_ip == NULL || dest_ip == NULL || mark == 0)
	{
		return NULL;
	}

	IPToStr(ip_str1, sizeof(ip_str1), src_ip);
	IPToStr(ip_str2, sizeof(ip_str2), dest_ip);
	ToStr(mark_str1, mark);
	Format(mark_str2, sizeof(mark_str2), "%x", mark);

	for (i = 0;i < LIST_NUM(s->EntryList);i++)
	{
		IPTABLES_ENTRY *e = LIST_DATA(s->EntryList, i);

		if (StrCmpi(e->Chain, chain) == 0)
		{
			if (InStr(e->ConditionAndArgs, ip_str1) &&
				InStr(e->ConditionAndArgs, ip_str2) &&
				(InStr(e->ConditionAndArgs, mark_str1) || InStr(e->ConditionAndArgs, mark_str2)))
			{
				return e;
			}
		}
	}

	return NULL;
}

// Get reverse listener socket in Cedar
SOCK *GetReverseListeningSock(CEDAR *c)
{
	SOCK *s = NULL;
	// Validate arguments
	if (c == NULL)
	{
		return NULL;
	}

	LockList(c->ListenerList);
	{
		UINT i;
		for (i = 0;i < LIST_NUM(c->ListenerList);i++)
		{
			LISTENER *r = LIST_DATA(c->ListenerList, i);

			if (r->Protocol == LISTENER_REVERSE)
			{
				Lock(r->lock);
				{
					s = r->Sock;

					AddRef(s->ref);
				}
				Unlock(r->lock);
				break;
			}
		}
	}
	UnlockList(c->ListenerList);

	return s;
}

// Delete the UDP session from the UDP entry
void DelUDPEntry(CEDAR *cedar, SESSION *session)
{
	UINT num, i;
	// Validate arguments
	if (cedar == NULL || session == NULL)
	{
		return;
	}

	LockList(cedar->UDPEntryList);
	{
		num = LIST_NUM(cedar->UDPEntryList);
		for (i = 0;i < num;i++)
		{
			UDP_ENTRY *e = LIST_DATA(cedar->UDPEntryList, i);
			if (e->Session == session)
			{
				ReleaseSession(e->Session);
				Delete(cedar->UDPEntryList, e);
				Free(e);
				UnlockList(cedar->UDPEntryList);
				Debug("UDP_Entry Deleted.\n");
				return;
			}
		}
	}
	UnlockList(cedar->UDPEntryList);
}

// Get the best routing table entry for the specified IP address
L3TABLE *L3GetBestRoute(L3SW *s, UINT ip)
{
	UINT i;
	UINT max_mask = 0;
	UINT min_metric = INFINITE;
	L3TABLE *ret = NULL;
	// Validate arguments
	if (s == NULL || ip == 0)
	{
		return NULL;
	}

	// 1st condition: Choose the one which have the largest subnet mask
	// 2nd condition: Choose the one which have the smallest metric
	for (i = 0;i < LIST_NUM(s->TableList);i++)
	{
		L3TABLE *t = LIST_DATA(s->TableList, i);

		if ((t->NetworkAddress & t->SubnetMask) == (ip & t->SubnetMask))
		{
			if (t->SubnetMask >= max_mask)
			{
				max_mask = t->SubnetMask;
				if (min_metric >= t->Metric)
				{
					min_metric = t->Metric;
					ret = t;
				}
			}
		}
	}

	return ret;
}