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[IPCONFIG] Implement the /flushdns option and most of the /displaydns option

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This commit is contained in:
Eric Kohl 2019-10-20 23:24:28 +02:00
parent 4455dcb26e
commit b0d4763f2b
2 changed files with 134 additions and 4 deletions
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2
base/applications/network/ipconfig/CMakeLists.txt
View file

@ -1,5 +1,5 @@
add_executable(ipconfig ipconfig.c ipconfig.rc)
set_module_type(ipconfig win32cui)
add_importlibs(ipconfig user32 iphlpapi advapi32 msvcrt kernel32)
add_importlibs(ipconfig user32 iphlpapi dnsapi advapi32 msvcrt kernel32 ntdll)
add_cd_file(TARGET ipconfig DESTINATION reactos/system32 FOR all)

136
base/applications/network/ipconfig/ipconfig.c
View file

@ -8,10 +8,11 @@
/*
* TODO:
* fix renew / release
* implement flushdns, registerdns, displaydns, showclassid, setclassid
* implement registerdns, showclassid, setclassid
* allow globbing on adapter names
*/
#define WIN32_NO_STATUS
#include <stdarg.h>
#include <windef.h>
#include <winbase.h>
@ -21,6 +22,10 @@
#include <tchar.h>
#include <time.h>
#include <iphlpapi.h>
#include <ndk/rtlfuncs.h>
#include <inaddr.h>
#include <windns.h>
#include <windns_undoc.h>
#include "resource.h"
@ -725,7 +730,132 @@ VOID Renew(LPTSTR Index)
}
}
VOID
FlushDns(VOID)
{
_tprintf(_T("\nReactOS IP Configuration\n\n"));
if (DnsFlushResolverCache())
_tprintf(_T("The DNS Resolver Cache has been deleted.\n"));
else
DoFormatMessage(GetLastError());
}
VOID
DisplayDns(VOID)
{
PDNSCACHEENTRY DnsEntry = NULL, pThisEntry, pNextEntry;
PDNS_RECORDW pQueryResults, pThisRecord, pNextRecord;
IN_ADDR Addr4;
IN6_ADDR Addr6;
WCHAR szBuffer[48];
DNS_STATUS Status;
_tprintf(_T("\nReactOS IP Configuration\n\n"));
if (!DnsGetCacheDataTable(&DnsEntry))
{
DoFormatMessage(GetLastError());
return;
}
if (DnsEntry == NULL)
return;
pThisEntry = DnsEntry;
while (pThisEntry != NULL)
{
pNextEntry = pThisEntry->pNext;
pQueryResults = NULL;
Status = DnsQuery_W(pThisEntry->pszName,
pThisEntry->wType,
DNS_QUERY_NO_WIRE_QUERY,
NULL,
(PDNS_RECORD *)&pQueryResults,
NULL);
if (Status == 0)
{
_tprintf(_T("\t%S\n"), pThisEntry->pszName);
_tprintf(_T("\t----------------------------------------\n"));
pThisRecord = pQueryResults;
while (pThisRecord != NULL)
{
pNextRecord = pThisRecord->pNext;
_tprintf(_T("\tRecord Name . . . . . : %S\n"), pThisRecord->pName);
_tprintf(_T("\tRecord Type . . . . . : %hu\n"), pThisRecord->wType);
_tprintf(_T("\tTime To Live. . . . . : %lu\n"), pThisRecord->dwTtl);
_tprintf(_T("\tData Length . . . . . : %hu\n"), pThisRecord->wDataLength);
switch (pThisRecord->Flags.S.Section)
{
case DnsSectionQuestion:
_tprintf(_T("\tSection . . . . . . . : Question\n"));
break;
case DnsSectionAnswer:
_tprintf(_T("\tSection . . . . . . . : Answer\n"));
break;
case DnsSectionAuthority:
_tprintf(_T("\tSection . . . . . . . : Authority\n"));
break;
case DnsSectionAdditional:
_tprintf(_T("\tSection . . . . . . . : Additional\n"));
break;
}
switch (pThisRecord->wType)
{
case DNS_TYPE_A:
Addr4.S_un.S_addr = pThisRecord->Data.A.IpAddress;
RtlIpv4AddressToStringW(&Addr4, szBuffer);
_tprintf(_T("\tA (Host) Record . . . : %S\n"), szBuffer);
break;
case DNS_TYPE_PTR:
_tprintf(_T("\tPTR Record. . . . . . : %S\n"), pThisRecord->Data.PTR.pNameHost);
break;
case DNS_TYPE_NS:
_tprintf(_T("\tNS Record . . . . . . : %S\n"), pThisRecord->Data.NS.pNameHost);
break;
case DNS_TYPE_CNAME:
_tprintf(_T("\tCNAME Record. . . . . : %S\n"), pThisRecord->Data.CNAME.pNameHost);
break;
case DNS_TYPE_AAAA:
RtlCopyMemory(&Addr6, &pThisRecord->Data.AAAA.Ip6Address, sizeof(IN6_ADDR));
RtlIpv6AddressToStringW(&Addr6, szBuffer);
_tprintf(_T("\tAAAA Record . . . . . : %S\n"), szBuffer);
break;
}
_tprintf(_T("\n\n"));
pThisRecord = pNextRecord;
}
DnsRecordListFree((PDNS_RECORD)pQueryResults, DnsFreeRecordList);
pQueryResults = NULL;
}
else if (Status != ERROR_SUCCESS && pThisEntry->wType != 0)
{
_tprintf(_T("\t%S\n"), pThisEntry->pszName);
_tprintf(_T("\t----------------------------------------\n"));
_tprintf(_T("\tNo records of type %hu\n\n"), pThisEntry->wType);
}
if (pThisEntry->pszName)
LocalFree(pThisEntry->pszName);
LocalFree(pThisEntry);
pThisEntry = pNextEntry;
}
}
VOID Usage(VOID)
{
@ -835,11 +965,11 @@ int main(int argc, char *argv[])
else if (DoRenew)
Renew(NULL);
else if (DoFlushdns)
_tprintf(_T("\nSorry /flushdns is not implemented yet\n"));
FlushDns();
else if (DoRegisterdns)
_tprintf(_T("\nSorry /registerdns is not implemented yet\n"));
else if (DoDisplaydns)
_tprintf(_T("\nSorry /displaydns is not implemented yet\n"));
DisplayDns();
else
Usage();
break;