* REVISIONS:
* CSH 01/09-2000 Created
*/
-#define __NO_CTYPE_INLINES
#include <ctype.h>
#include <ws2_32.h>
#include <winbase.h>
OUT LPSTR lpszAddressString,
IN OUT LPDWORD lpdwAddressStringLength)
{
- UNIMPLEMENTED
+ DWORD size;
+ CHAR buffer[54]; /* 32 digits + 7':' + '[' + '%" + 5 digits + ']:' + 5 digits + '\0' */
+ CHAR *p;
- WSASetLastError(WSASYSCALLFAILURE);
- return SOCKET_ERROR;
+ if (!lpsaAddress) return SOCKET_ERROR;
+ if (!lpszAddressString || !lpdwAddressStringLength) return SOCKET_ERROR;
+
+ switch(lpsaAddress->sa_family)
+ {
+ case AF_INET:
+ if (dwAddressLength < sizeof(SOCKADDR_IN)) return SOCKET_ERROR;
+ sprintf( buffer, "%u.%u.%u.%u:%u",
+ (unsigned int)(ntohl( ((SOCKADDR_IN *)lpsaAddress)->sin_addr.s_addr ) >> 24 & 0xff),
+ (unsigned int)(ntohl( ((SOCKADDR_IN *)lpsaAddress)->sin_addr.s_addr ) >> 16 & 0xff),
+ (unsigned int)(ntohl( ((SOCKADDR_IN *)lpsaAddress)->sin_addr.s_addr ) >> 8 & 0xff),
+ (unsigned int)(ntohl( ((SOCKADDR_IN *)lpsaAddress)->sin_addr.s_addr ) & 0xff),
+ ntohs( ((SOCKADDR_IN *)lpsaAddress)->sin_port ) );
+
+ p = strchr( buffer, ':' );
+ if (!((SOCKADDR_IN *)lpsaAddress)->sin_port) *p = 0;
+ break;
+ default:
+ WSASetLastError(WSAEINVAL);
+ return SOCKET_ERROR;
+ }
+
+ size = strlen( buffer ) + 1;
+
+ if (*lpdwAddressStringLength < size)
+ {
+ *lpdwAddressStringLength = size;
+ WSASetLastError(WSAEFAULT);
+ return SOCKET_ERROR;
+ }
+
+ *lpdwAddressStringLength = size;
+ strcpy( lpszAddressString, buffer );
+ return 0;
}
OUT LPWSTR lpszAddressString,
IN OUT LPDWORD lpdwAddressStringLength)
{
- UNIMPLEMENTED
+ INT ret;
+ DWORD size;
+ WCHAR buffer[54]; /* 32 digits + 7':' + '[' + '%" + 5 digits + ']:' + 5 digits + '\0' */
+ CHAR bufAddr[54];
- WSASetLastError(WSASYSCALLFAILURE);
- return SOCKET_ERROR;
+ size = *lpdwAddressStringLength;
+ ret = WSAAddressToStringA(lpsaAddress, dwAddressLength, NULL, bufAddr, &size);
+
+ if (ret) return ret;
+
+ MultiByteToWideChar( CP_ACP, 0, bufAddr, size, buffer, sizeof( buffer )/sizeof(WCHAR));
+
+ if (*lpdwAddressStringLength < size)
+ {
+ *lpdwAddressStringLength = size;
+ WSASetLastError(WSAEFAULT);
+ return SOCKET_ERROR;
+ }
+
+ *lpdwAddressStringLength = size;
+ lstrcpyW( lpszAddressString, buffer );
+ return 0;
}
/*
- * @implement
+ * @implemented
*/
INT
EXPORT
int res=0;
LONG inetaddr = 0;
LPWSTR *bp=NULL;
+ SOCKADDR_IN *sockaddr;
- SOCKADDR_IN *sockaddr = (SOCKADDR_IN *) lpAddress;
-
- if (!lpAddressLength || !lpAddress)
+ if (!lpAddressLength || !lpAddress || !AddressString)
+ {
+ WSASetLastError(WSAEINVAL);
return SOCKET_ERROR;
+ }
- if (AddressString==NULL)
- return WSAEINVAL;
+ sockaddr = (SOCKADDR_IN *) lpAddress;
/* Set right adress family */
if (lpProtocolInfo!=NULL)
}
else
{
- if (!lpAddress)
- res = WSAEINVAL;
- else
- {
- // translate now ip string to ip
+ // translate ip string to ip
- /* rest sockaddr.sin_addr.s_addr
+ /* rest sockaddr.sin_addr.s_addr
for we need to be sure it is zero when we come to while */
- memset(lpAddress,0,sizeof(SOCKADDR_IN));
+ memset(lpAddress,0,sizeof(SOCKADDR_IN));
- /* Set right adress family */
- sockaddr->sin_family = AF_INET;
+ /* Set right adress family */
+ sockaddr->sin_family = AF_INET;
- /* Get port number */
- pos = wcscspn(AddressString,L":") + 1;
+ /* Get port number */
+ pos = wcscspn(AddressString,L":") + 1;
- if (pos < (int)wcslen(AddressString))
- sockaddr->sin_port = wcstol(&AddressString[pos],
- bp,
- 10);
+ if (pos < (int)wcslen(AddressString))
+ sockaddr->sin_port = wcstol(&AddressString[pos],
+ bp,
+ 10);
- else
- sockaddr->sin_port = 0;
+ else
+ sockaddr->sin_port = 0;
- /* Get ip number */
- pos=0;
- inetaddr=0;
+ /* Get ip number */
+ pos=0;
+ inetaddr=0;
- while (pos < (int)wcslen(AddressString))
- {
- inetaddr = (inetaddr<<8) + ((UCHAR)wcstol(&AddressString[pos],
- bp,
- 10));
- pos += wcscspn( &AddressString[pos],L".") +1 ;
- }
-
- res = 0;
- sockaddr->sin_addr.s_addr = inetaddr;
+ while (pos < (int)wcslen(AddressString))
+ {
+ inetaddr = (inetaddr<<8) + ((UCHAR)wcstol(&AddressString[pos],
+ bp,
+ 10));
+ pos += wcscspn( &AddressString[pos],L".") +1 ;
}
+ res = 0;
+ sockaddr->sin_addr.s_addr = inetaddr;
+
}
}
void free_servent(struct servent* s)
{
+ char* next;
HFREE(s->s_name);
- char* next = s->s_aliases[0];
+ next = s->s_aliases[0];
while(next) { HFREE(next); next++; }
s->s_port = 0;
HFREE(s->s_proto);
HFREE(s);
}
+/* This function is far from perfect but it works enough */
+static
+LPHOSTENT
+FindEntryInHosts(IN CONST CHAR FAR* name)
+{
+ BOOL Found = FALSE;
+ HANDLE HostsFile;
+ CHAR HostsDBData[BUFSIZ] = { 0 };
+ PCHAR SystemDirectory = HostsDBData;
+ PCHAR HostsLocation = "\\drivers\\etc\\hosts";
+ PCHAR AddressStr, DnsName = NULL, AddrTerm, NameSt, NextLine, ThisLine, Comment;
+ UINT SystemDirSize = sizeof(HostsDBData) - 1, ValidData = 0;
+ DWORD ReadSize;
+ ULONG Address;
+ PWINSOCK_THREAD_BLOCK p = NtCurrentTeb()->WinSockData;
+ /* We assume that the parameters are valid */
+
+ if (!GetSystemDirectoryA(SystemDirectory, SystemDirSize))
+ {
+ WSASetLastError(WSANO_RECOVERY);
+ WS_DbgPrint(MIN_TRACE, ("Could not get windows system directory.\n"));
+ return NULL; /* Can't get system directory */
+ }
+
+ strncat(SystemDirectory,
+ HostsLocation,
+ SystemDirSize );
+
+ HostsFile = CreateFileA(SystemDirectory,
+ GENERIC_READ,
+ FILE_SHARE_READ,
+ NULL,
+ OPEN_EXISTING,
+ FILE_ATTRIBUTE_NORMAL | FILE_FLAG_SEQUENTIAL_SCAN,
+ NULL);
+ if (HostsFile == INVALID_HANDLE_VALUE)
+ {
+ WSASetLastError(WSANO_RECOVERY);
+ return NULL;
+ }
+
+ while(!Found &&
+ ReadFile(HostsFile,
+ HostsDBData + ValidData,
+ sizeof(HostsDBData) - ValidData,
+ &ReadSize,
+ NULL))
+ {
+ ValidData += ReadSize;
+ ReadSize = 0;
+ NextLine = ThisLine = HostsDBData;
+
+ /* Find the beginning of the next line */
+ while(NextLine < HostsDBData + ValidData &&
+ *NextLine != '\r' && *NextLine != '\n' )
+ {
+ NextLine++;
+ }
+
+ /* Zero and skip, so we can treat what we have as a string */
+ if( NextLine > HostsDBData + ValidData )
+ break;
+
+ *NextLine = 0; NextLine++;
+
+ Comment = strchr( ThisLine, '#' );
+ if( Comment ) *Comment = 0; /* Terminate at comment start */
+
+ AddressStr = ThisLine;
+ /* Find the first space separating the IP address from the DNS name */
+ AddrTerm = strchr(ThisLine, ' ');
+ if (AddrTerm)
+ {
+ /* Terminate the address string */
+ *AddrTerm = 0;
+
+ /* Find the last space before the DNS name */
+ NameSt = strrchr(ThisLine, ' ');
+
+ /* If there is only one space (the one we removed above), then just use the address terminator */
+ if (!NameSt)
+ NameSt = AddrTerm;
+
+ /* Move from the space to the first character of the DNS name */
+ NameSt++;
+
+ DnsName = NameSt;
+
+ if (!strcmp(name, DnsName))
+ {
+ Found = TRUE;
+ break;
+ }
+ }
+
+ /* Get rid of everything we read so far */
+ while( NextLine <= HostsDBData + ValidData &&
+ isspace (*NextLine))
+ {
+ NextLine++;
+ }
+
+ if (HostsDBData + ValidData - NextLine <= 0)
+ break;
+
+ WS_DbgPrint(MAX_TRACE,("About to move %d chars\n",
+ HostsDBData + ValidData - NextLine));
+
+ memmove(HostsDBData,
+ NextLine,
+ HostsDBData + ValidData - NextLine );
+ ValidData -= NextLine - HostsDBData;
+ WS_DbgPrint(MAX_TRACE,("Valid bytes: %d\n", ValidData));
+ }
+
+ CloseHandle(HostsFile);
+
+ if (!Found)
+ {
+ WS_DbgPrint(MAX_TRACE,("Not found\n"));
+ WSASetLastError(WSANO_DATA);
+ return NULL;
+ }
+
+ if( !p->Hostent )
+ {
+ p->Hostent = HeapAlloc(GlobalHeap, 0, sizeof(*p->Hostent));
+ if( !p->Hostent )
+ {
+ WSASetLastError( WSATRY_AGAIN );
+ return NULL;
+ }
+ }
+
+ p->Hostent->h_name = HeapAlloc(GlobalHeap, 0, strlen(DnsName));
+ if( !p->Hostent->h_name )
+ {
+ WSASetLastError( WSATRY_AGAIN );
+ return NULL;
+ }
+
+ RtlCopyMemory(p->Hostent->h_name,
+ DnsName,
+ strlen(DnsName));
+
+ p->Hostent->h_aliases = HeapAlloc(GlobalHeap, 0, sizeof(char *));
+ if( !p->Hostent->h_aliases )
+ {
+ WSASetLastError( WSATRY_AGAIN );
+ return NULL;
+ }
+
+ p->Hostent->h_aliases[0] = 0;
+
+ if (strstr(AddressStr, ":"))
+ {
+ DbgPrint("AF_INET6 NOT SUPPORTED!\n");
+ WSASetLastError(WSAEINVAL);
+ return NULL;
+ }
+ else
+ p->Hostent->h_addrtype = AF_INET;
+
+ p->Hostent->h_addr_list = HeapAlloc(GlobalHeap, 0, sizeof(char *));
+ if( !p->Hostent->h_addr_list )
+ {
+ WSASetLastError( WSATRY_AGAIN );
+ return NULL;
+ }
+
+ Address = inet_addr(AddressStr);
+ if (Address == INADDR_NONE)
+ {
+ WSASetLastError(WSAEINVAL);
+ return NULL;
+ }
+
+ p->Hostent->h_addr_list[0] = HeapAlloc(GlobalHeap, 0, sizeof(Address));
+ if( !p->Hostent->h_addr_list[0] )
+ {
+ WSASetLastError( WSATRY_AGAIN );
+ return NULL;
+ }
+
+ RtlCopyMemory(p->Hostent->h_addr_list[0],
+ &Address,
+ sizeof(Address));
+
+ p->Hostent->h_length = sizeof(Address);
+
+ return p->Hostent;
+}
LPHOSTENT
EXPORT
DNS_STATUS dns_status = {0};
/* include/WinDNS.h -- look up DNS_RECORD on MSDN */
PDNS_RECORD dp = 0;
+ PWINSOCK_THREAD_BLOCK p;
+ LPHOSTENT Hostent;
addr = GH_INVALID;
- PWINSOCK_THREAD_BLOCK p = NtCurrentTeb()->WinSockData;
+ p = NtCurrentTeb()->WinSockData;
if( !p )
{
case GH_RFC1123_DNS:
/* DNS_TYPE_A: include/WinDNS.h */
/* DnsQuery -- lib/dnsapi/dnsapi/query.c */
+
+ /* Look for the DNS name in the hosts file */
+ Hostent = FindEntryInHosts(name);
+ if (Hostent)
+ return Hostent;
+
dns_status = DnsQuery_A(name,
DNS_TYPE_A,
DNS_QUERY_STANDARD,
}
/* Zero and skip, so we can treat what we have as a string */
- if( NextLine >= ServiceDBData + ValidData )
+ if( NextLine > ServiceDBData + ValidData )
break;
*NextLine = 0; NextLine++;
*NextLine != '\r' && *NextLine != '\n' ) NextLine++;
/* Zero and skip, so we can treat what we have as a string */
- if( NextLine >= ServiceDBData + ValidData )
+ if( NextLine > ServiceDBData + ValidData )
break;
*NextLine = 0; NextLine++;
p = (PCHAR)cp;
+ if (!p)
+ {
+ WSASetLastError(WSAEFAULT);
+ return INADDR_NONE;
+ }
+
if (strlen(p) == 0)
return INADDR_NONE;
ai->ai_family = PF_INET;
ai->ai_addrlen = sizeof(struct sockaddr_in);
ai->ai_addr = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, ai->ai_addrlen);
- sin = (struct sockaddr_in *)ret->ai_addr;
+ sin = (struct sockaddr_in *)ai->ai_addr;
sin->sin_family = AF_INET;
sin->sin_port = port;
if (hints)
if (ai->ai_protocol == 0)
ai->ai_protocol = hints->ai_protocol;
}
+ ret = ai;
}
if (ret == NULL)
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