address.c File Reference

#include "precomp.h"

Include dependency graph for address.c:

Go to the source code of this file.

Functions
int	sprintf (char *out, const char *fmt,...)
PCHAR	A2S (PIP_ADDRESS Address)
ULONG	IPv4NToHl (ULONG Address)
UINT	AddrCountPrefixBits (PIP_ADDRESS Netmask)
VOID	AddrWidenAddress (PIP_ADDRESS Network, PIP_ADDRESS Source, PIP_ADDRESS Netmask)
VOID	IPAddressFree (PVOID Object)
BOOLEAN	AddrIsUnspecified (PIP_ADDRESS Address)
NTSTATUS	AddrGetAddress (PTRANSPORT_ADDRESS AddrList, PIP_ADDRESS Address, PUSHORT Port)
NTSTATUS	AddrBuildAddress (PTRANSPORT_ADDRESS TaAddress, PIP_ADDRESS Address, PUSHORT Port)
BOOLEAN	AddrIsEqual (PIP_ADDRESS Address1, PIP_ADDRESS Address2)
INT	AddrCompare (PIP_ADDRESS Address1, PIP_ADDRESS Address2)
BOOLEAN	AddrIsEqualIPv4 (PIP_ADDRESS Address1, IPv4_RAW_ADDRESS Address2)
unsigned long NTAPI	inet_addr (const char *AddrString)

Variables
CHAR	A2SStr [128]

Function Documentation

A2S()

PCHAR A2S

(

PIP_ADDRESS

Address

)

Definition at line 17 of file address.c.

{
    ULONG ip;
    PCHAR p;
 
    p = A2SStr;
 
    if (!Address) {
        TI_DbgPrint(MIN_TRACE, ("NULL address given.\n"));
        strcpy(p, "(NULL)");
        return p;
    }
 
    switch (Address->Type) {
    case IP_ADDRESS_V4:
    ip = DN2H(Address->Address.IPv4Address);
    sprintf(p, "%d.%d.%d.%d",
        (INT)((ip >> 24) & 0xFF),
        (INT)((ip >> 16) & 0xFF),
        (INT)((ip >> 8) & 0xFF),
        (INT)(ip & 0xFF));
    break;
 
    case IP_ADDRESS_V6:
    /* FIXME: IPv6 is not supported */
    strcpy(p, "(IPv6 address not supported)");
    break;
    }
    return p;
}

Referenced by AddrSearchNext(), BuildRawIpPacket(), BuildUDPPacket(), FileOpenAddress(), FindOnLinkInterface(), HasPrefix(), InfoTdiSetRoute(), IPRemoveInterfaceRoute(), LogActiveObjects(), NBFindOrCreateNeighbor(), NBResetNeighborTimeout(), RouteGetRouteToDestination(), RouterAddRoute(), RouterCreateRoute(), RouterDumpRoutes(), RouterGetRoute(), and RouterRemoveRoute().

AddrBuildAddress()

NTSTATUS AddrBuildAddress	(	PTRANSPORT_ADDRESS	TaAddress,
		PIP_ADDRESS	Address,
		PUSHORT	Port
	)

Definition at line 184 of file address.c.

{
  PTDI_ADDRESS_IP ValidAddr;
  PTA_ADDRESS TdiAddress = &TaAddress->Address[0];
 
  if (TdiAddress->AddressType != TDI_ADDRESS_TYPE_IP) {
      TI_DbgPrint
      (MID_TRACE,("AddressType %x, Not valid\n", TdiAddress->AddressType));
    return STATUS_INVALID_ADDRESS;
  }
  if (TdiAddress->AddressLength < TDI_ADDRESS_LENGTH_IP) {
      TI_DbgPrint
      (MID_TRACE,("AddressLength %x, Not valid (expected %x)\n",
              TdiAddress->AddressLength, TDI_ADDRESS_LENGTH_IP));
      return STATUS_INVALID_ADDRESS;
  }
 
 
  ValidAddr = (PTDI_ADDRESS_IP)TdiAddress->Address;
 
  AddrInitIPv4(Address, ValidAddr->in_addr);
  *Port = ValidAddr->sin_port;
 
  return STATUS_SUCCESS;
}

Referenced by TCPConnect().

AddrCompare()

INT AddrCompare	(	PIP_ADDRESS	Address1,
		PIP_ADDRESS	Address2
	)

Definition at line 257 of file address.c.

{
    switch (Address1->Type) {
        case IP_ADDRESS_V4: {
            ULONG Addr1, Addr2;
            if (Address2->Type == IP_ADDRESS_V4) {
                Addr1 = DN2H(Address1->Address.IPv4Address);
                Addr2 = DN2H(Address2->Address.IPv4Address);
                if (Addr1 < Addr2)
                    return -1;
                else
                    if (Addr1 == Addr2)
                        return 0;
                    else
                        return 1;
            } else
                /* FIXME: Support IPv6 */
                return -1;
 
        case IP_ADDRESS_V6:
            /* FIXME: Support IPv6 */
        break;
        }
    }
 
    return FALSE;
}

AddrCountPrefixBits()

UINT AddrCountPrefixBits

(

PIP_ADDRESS

Netmask

)

Definition at line 64 of file address.c.

                                                {
    UINT Prefix = 0;
    if( Netmask->Type == IP_ADDRESS_V4 ) {
    ULONG BitTest = 0x80000000;
 
    /* The mask has been read in network order.  Put it in host order
     * in order to scan it. */
 
    ULONG TestMask = IPv4NToHl(Netmask->Address.IPv4Address);
 
    while ((BitTest & TestMask) != 0) {
        Prefix++;
        BitTest >>= 1;
    }
    return Prefix;
    } else {
    TI_DbgPrint(DEBUG_DATALINK, ("Don't know address type %d\n",
                     Netmask->Type));
    return 0;
    }
}

Referenced by FindOnLinkInterface(), and RouterGetRoute().

AddrGetAddress()

NTSTATUS AddrGetAddress	(	PTRANSPORT_ADDRESS	AddrList,
		PIP_ADDRESS	Address,
		PUSHORT	Port
	)

Definition at line 146 of file address.c.

{
    PTA_ADDRESS CurAddr;
    INT i;
 
    /* We can only use IP addresses. Search the list until we find one */
    CurAddr = AddrList->Address;
 
    for (i = 0; i < AddrList->TAAddressCount; i++) {
        switch (CurAddr->AddressType) {
        case TDI_ADDRESS_TYPE_IP:
            if (CurAddr->AddressLength >= TDI_ADDRESS_LENGTH_IP) {
                /* This is an IPv4 address */
                PTDI_ADDRESS_IP ValidAddr = (PTDI_ADDRESS_IP)CurAddr->Address;
                *Port = ValidAddr->sin_port;
        Address->Type = CurAddr->AddressType;
        ValidAddr = (PTDI_ADDRESS_IP)CurAddr->Address;
        AddrInitIPv4(Address, ValidAddr->in_addr);
        return STATUS_SUCCESS;
        }
    }
    }
 
    return STATUS_INVALID_ADDRESS;
}

Referenced by DGReceiveDatagram().

AddrIsEqual()

BOOLEAN AddrIsEqual	(	PIP_ADDRESS	Address1,
		PIP_ADDRESS	Address2
	)

Definition at line 221 of file address.c.

{
    if (Address1->Type != Address2->Type) {
        DbgPrint("AddrIsEqual: Unequal Address Types\n");
        return FALSE;
    }
 
    switch (Address1->Type) {
        case IP_ADDRESS_V4:
            return (Address1->Address.IPv4Address == Address2->Address.IPv4Address);
 
        case IP_ADDRESS_V6:
            return (RtlCompareMemory(&Address1->Address, &Address2->Address,
                sizeof(IPv6_RAW_ADDRESS)) == sizeof(IPv6_RAW_ADDRESS));
            break;
 
        default:
            DbgPrint("AddrIsEqual: Bad address type\n");
            break;
    }
 
    return FALSE;
}

Referenced by AddrIsBroadcastMatch(), AddrLocateInterface(), AddrReceiveMatch(), ARPReceive(), DGDeliverData(), GetReassemblyInfo(), NBCopyNeighbors(), NBFindOrCreateNeighbor(), NBLocateNeighbor(), NBResetNeighborTimeout(), RouterCreateRoute(), and RouterRemoveRoute().

AddrIsEqualIPv4()

BOOLEAN AddrIsEqualIPv4	(	PIP_ADDRESS	Address1,
		IPv4_RAW_ADDRESS	Address2
	)

Definition at line 296 of file address.c.

{
    if (Address1->Type == IP_ADDRESS_V4)
        return (Address1->Address.IPv4Address == Address2);
 
    return FALSE;
}

AddrIsUnspecified()

BOOLEAN AddrIsUnspecified

(

PIP_ADDRESS

Address

)

Definition at line 113 of file address.c.

{
    switch (Address->Type) {
        case IP_ADDRESS_V4:
            return (Address->Address.IPv4Address == 0 ||
                    Address->Address.IPv4Address == 0xFFFFFFFF);
 
        case IP_ADDRESS_V6:
        /* FIXME: IPv6 is not supported */
        default:
            return FALSE;
    }
}

Referenced by AddrIsBroadcastMatch(), AddrReceiveMatch(), DGDeliverData(), DispTdiQueryIpHwAddress(), FileOpenAddress(), FindOnLinkInterface(), GetDefaultInterface(), NBFindOrCreateNeighbor(), RawIPSendDatagram(), ReadIpConfiguration(), TCPConnect(), and UDPSendDatagram().

AddrWidenAddress()

VOID AddrWidenAddress	(	PIP_ADDRESS	Network,
		PIP_ADDRESS	Source,
		PIP_ADDRESS	Netmask
	)

Definition at line 86 of file address.c.

                                     {
    if( Netmask->Type == IP_ADDRESS_V4 ) {
        Network->Type = Netmask->Type;
    Network->Address.IPv4Address =
        Source->Address.IPv4Address & Netmask->Address.IPv4Address;
    } else {
    TI_DbgPrint(DEBUG_DATALINK, ("Don't know address type %d\n",
                     Netmask->Type));
    *Network = *Source;
    }
}

Referenced by IPAddInterfaceRoute(), and IPRemoveInterfaceRoute().

inet_addr()

unsigned long NTAPI inet_addr

(

const char *

AddrString

)

Definition at line 307 of file address.c.

{
    ULONG Octets[4] = {0,0,0,0};
    ULONG i = 0;
 
    if(!AddrString)
        return -1;
 
    while(*AddrString)
        {
            CHAR c = *AddrString;
            AddrString++;
 
            if(c == '.')
                {
                    i++;
                    continue;
                }
 
            if(c < '0' || c > '9')
                return -1;
 
            Octets[i] *= 10;
            Octets[i] += (c - '0');
 
            if(Octets[i] > 255)
                return -1;
        }
 
    return (Octets[3] << 24) + (Octets[2] << 16) + (Octets[1] << 8) + Octets[0];
}

IPAddressFree()

VOID IPAddressFree

(

PVOID

Object

)

Definition at line 99 of file address.c.

{
    ExFreePoolWithTag(Object, IP_ADDRESS_TAG);
}

IPv4NToHl()

ULONG IPv4NToHl

(

ULONG

Address

)

Definition at line 56 of file address.c.

                                 {
    return
    ((Address & 0xff) << 24) |
    ((Address & 0xff00) << 8) |
    ((Address >> 8) & 0xff00) |
    ((Address >> 24) & 0xff);
}

Referenced by AddrCountPrefixBits().

sprintf()

int sprintf	(	char *	out,
		const char *	fmt,
			...
	)

Definition at line 768 of file utprint.c.

{
    va_list                 Args;
    int                     Length;
 
 
    va_start (Args, Format);
    Length = vsnprintf (String, ACPI_UINT32_MAX, Format, Args);
    va_end (Args);
 
    return (Length);
}

Variable Documentation

A2SStr

CHAR A2SStr[128]

Definition at line 15 of file address.c.

Referenced by A2S().