[reactos] 10/14: [IPHLPAPI] Implement getOwnerUdoTable(), to get UDP connections with owner PID

[Pierre Schweitzer]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=6fb6c7b50b7f7b65737b3…
commit 6fb6c7b50b7f7b65737b373553ca0d400d924f36
Author:     Pierre Schweitzer <pierre(a)reactos.org>
AuthorDate: Sat Nov 24 21:12:44 2018 +0100
Commit:     Pierre Schweitzer <pierre(a)reactos.org>
CommitDate: Sat Nov 24 21:41:10 2018 +0100
    [IPHLPAPI] Implement getOwnerUdoTable(), to get UDP connections with owner PID
---
 dll/win32/iphlpapi/ipstats_reactos.c | 61 ++++++++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)
diff --git a/dll/win32/iphlpapi/ipstats_reactos.c b/dll/win32/iphlpapi/ipstats_reactos.c
index d117a5f4ce..8c1c842c9c 100644
--- a/dll/win32/iphlpapi/ipstats_reactos.c
+++ b/dll/win32/iphlpapi/ipstats_reactos.c
@@ -700,6 +700,67 @@ PMIB_UDPTABLE getUdpTable(void)
     return IpUdpTable;
 }
+PMIB_UDPTABLE_OWNER_PID getOwnerUdpTable(void)
+{
+    DWORD numEntities, returnSize;
+    TDIEntityID *entitySet;
+    HANDLE tcpFile;
+    int i, totalNumber, TmpIdx, CurrIdx = 0;
+    NTSTATUS status;
+    PMIB_UDPTABLE_OWNER_PID IpOwnerUdpTable = NULL;
+    PMIB_UDPROW_OWNER_PID AdapterOwnerUdpTable = NULL;
+
+    TRACE("called.\n");
+
+    totalNumber = getNumUdpEntries();
+
+    status = openTcpFile( &tcpFile, FILE_READ_DATA );
+    if( !NT_SUCCESS(status) ) {
+        ERR("openTcpFile returned 0x%08lx\n", status);
+        return 0;
+    }
+
+    IpOwnerUdpTable = HeapAlloc
+       ( GetProcessHeap(), 0,
+         sizeof(DWORD) + (sizeof(MIB_UDPROW_OWNER_PID) * totalNumber) );
+    if (!IpOwnerUdpTable) {
+        closeTcpFile(tcpFile);
+        return NULL;
+    }
+
+    status = tdiGetEntityIDSet( tcpFile, &entitySet, &numEntities );
+
+    for( i = 0; i < numEntities; i++ ) {
+        if( entitySet[i].tei_entity == CL_TL_ENTITY &&
+           hasArp( tcpFile, &entitySet[i] ) ) {
+
+           status = tdiGetSetOfThings( tcpFile,
+                                       INFO_CLASS_PROTOCOL,
+                                       INFO_TYPE_PROVIDER,
+                                       IP_MIB_ADDRTABLE_ENTRY_ID,
+                                       CL_TL_ENTITY,
+                                       entitySet[i].tei_instance,
+                                       0,
+                                       sizeof(MIB_UDPROW_OWNER_PID),
+                                       (PVOID *)&AdapterOwnerUdpTable,
+                                       &returnSize );
+
+            if( status == STATUS_SUCCESS ) {
+                for( TmpIdx = 0; TmpIdx < returnSize; TmpIdx++, CurrIdx++ )
+                    IpOwnerUdpTable->table[CurrIdx] = AdapterOwnerUdpTable[TmpIdx];
+                tdiFreeThingSet( AdapterOwnerUdpTable );
+            }
+        }
+    }
+
+    closeTcpFile( tcpFile );
+
+    tdiFreeThingSet( entitySet );
+    IpOwnerUdpTable->dwNumEntries = CurrIdx;
+
+    return IpOwnerUdpTable;
+}
+
 DWORD getNumTcpEntries(void)
 {
     DWORD numEntities;