windows-nt/Source/XPSP1/NT/net/dhcp/client/nt/optapi.c

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2020-09-26 03:20:57 -05:00
/*++
Copyright (C) 1999 Microsoft Corporation
Module Name:
optapi.c
--*/
/*--------------------------------------------------------------------------------
This program is used to test the api options part of the api.
Date: April 15 1997
Author: RameshV (VK)
Description: This program is used to test the options api part of the client
options.
--------------------------------------------------------------------------------*/
#include "precomp.h"
#include <dhcploc.h>
#include <dhcppro.h>
#include <lmcons.h>
#include <align.h>
#include <apiappl.h>
#include <dhcpcapi.h>
#include <string.h>
#include <winbase.h>
#include <iphlpapi.h>
//--------------------------------------------------------------------------------
// Some variables.
//--------------------------------------------------------------------------------
#define OMAP_MAX_OPTIONS 256
// The options to request.
BYTE Request[OMAP_MAX_OPTIONS];
int nOptionsRequested = 0;
// The return values
BYTE *pObtained = NULL;
int nObtained = 0, opt_data_size = 0;
BYTE *options_data;
// USAGE
#define USAGE "Usage: %s <cmd> <arguments>\n\t" \
"The currently supported cmd's and arguments are:\n\t" \
"\t<cmd> <arguments>\n\t" \
"\tGetOptions RequestList_in_Hex // such as 010503a1\n\t" \
"\tTestEvents RequestList_in_Hex // such as 010503a1\n\t" \
"\tRelease AdapterName // ipconfig /release\n\t" \
"\tRenew AdapterName // ipconfig /renew \n\t" \
"\tEnumClasses AdapterName // enumerate dhcpclasses\n\t"\
"\tSetClass AdapterName ClassName // set user class\n\t"\
"\n\n"
//--------------------------------------------------------------------------------
// Parse a hex list of options. (such as 0105434421 )
//--------------------------------------------------------------------------------
int // nOptionsRequested;
GetOptionList(char *s, char *Request) {
int nOptionsRequested = 0;
while(s && *s & *(s+1)) {
*s = (UCHAR) tolower(*s);
if(!isdigit(*s) && ((*s) < 'a' || (*s) > 'f') ) {
fprintf(stderr, "found obscene character <%c> when looking for hex!\n", *s);
fprintf(stderr, "bye\n");
exit(1);
}
if(isdigit(*s))
Request[nOptionsRequested] = (*s) - '0';
else Request[nOptionsRequested] = (*s) - 'a' + 10;
Request[nOptionsRequested] *= 0x10;
// Now do the same for the next digit.
s ++;
*s = (UCHAR) tolower(*s);
if(!isdigit(*s) && (*s) < 'a' && (*s) > 'f' ) {
fprintf(stderr, "found obscene character <%c> when looking for hex!\n", *s);
fprintf(stderr, "bye\n");
exit(1);
}
if(isdigit(*s))
Request[nOptionsRequested] += (*s) - '0';
else Request[nOptionsRequested] += (*s) - 'a' + 10;
s ++;
nOptionsRequested ++;
}
if(*s) {
fprintf(stderr, "ignoring character <%c>\n", *s);
}
return nOptionsRequested;
}
//--------------------------------------------------------------------------------
// Here is the function that does the GetOptions command.
// It parses the adaptername and then converts it to LPWSTR and
// it also parses the requestlist and then it calls DhcpRequestOptions.
// It prints out the data it gets back.
//--------------------------------------------------------------------------------
void
OptApiGetOptions(int argc, char *argv[]) {
WCHAR AdapterName[100];
PIP_INTERFACE_INFO IfInfo;
UCHAR Buffer[4000];
ULONG BufLen = sizeof(Buffer);
DWORD Error;
// first check if we have the right command.
if(_stricmp(argv[1], "GetOptions")) {
fprintf(stderr, "Internal inconsistency in OptApiGetOptions\n");
exit(1);
}
// Now check and see if there are the correct number of arguments.
if(argc != 3 ) {
fprintf(stderr, USAGE, argv[0]);
exit(1);
}
// Now first get the list of options requested.
{
nOptionsRequested = GetOptionList(argv[2], Request);
{
int i;
printf("Requesting %d options: ", nOptionsRequested);
for( i = 0 ; i < nOptionsRequested; i ++)
printf("%02x ", (int)Request[i]);
}
}
//
// get the adaptername
//
IfInfo = (PIP_INTERFACE_INFO)Buffer;
Error = GetInterfaceInfo(IfInfo, &BufLen);
if( NO_ERROR != Error ) {
printf("GetInterfaceInfo: 0x%lx\n", Error);
exit(1);
}
if( IfInfo->NumAdapters == 0 ) {
printf("No adapters !!\n");
exit(1);
}
if( wcslen(IfInfo->Adapter[0].Name) <= 14 ) {
printf("Invalid adapter name? : %ws\n", IfInfo->Adapter[0].Name);
exit(1);
}
wcscpy(AdapterName, &IfInfo->Adapter[0].Name[14]);
// now call the function to get options.
printf(" from adapter <%ws>\n", AdapterName);
{
DWORD result;
result = DhcpRequestOptions(
//L"El59x1", RAMESHV-P200's adapter
// L"IEEPRO1", SUNBEAM, KISSES (or CltApi) machine's adapter
//L"NdisWan4", // SUNBEAM, KISSES's wan adapter: does not have ip address.
AdapterName,
Request, nOptionsRequested,
&options_data, &opt_data_size,
&pObtained, &nObtained
);
printf("Result is: %d; Obtained: %d\nList size is %d\n",
result,
nObtained,
opt_data_size);
if(result) {
fprintf(stderr, "function call failed\n");
return;
}
printf("Data: ");
while(opt_data_size--)
printf("%02x ", *options_data++);
printf("\n");
}
// done
printf("bye\n");
}
void
OptApiRelease(int argc, char *argv[]) {
WCHAR AdapterName[256];
// Check for the size and # of arguments.
if( argc != 3 ) {
fprintf(stderr, USAGE , argv[0]);
exit(1);
}
// Now create a WSTR out of argv[2].
if( strlen(argv[2]) != mbstowcs(AdapterName, argv[2], strlen(argv[2]))) {
fprintf(stderr, "Could not convert %s to LPWSTR! sorry\n", argv[2]);
exit(1);
}
AdapterName[strlen(argv[2])] = L'\0';
printf("Return Value = %ld\n", DhcpReleaseParameters(AdapterName));
}
void
OptApiRenew(int argc, char *argv[]) {
WCHAR AdapterName[256];
// Check for the size and # of arguments.
if( argc != 3 ) {
fprintf(stderr, USAGE , argv[0]);
exit(1);
}
// Now create a WSTR out of argv[2].
if( strlen(argv[2]) != mbstowcs(AdapterName, argv[2], strlen(argv[2]))) {
fprintf(stderr, "Could not convert %s to LPWSTR! sorry\n", argv[2]);
exit(1);
}
AdapterName[strlen(argv[2])] = L'\0';
printf("Return Value = %ld\n", DhcpAcquireParameters(AdapterName));
}
void
OptApiTestEvents(int argc, char *argv[]) {
WCHAR AdapterName[100];
// first check if we have the right command.
if(_stricmp(argv[1], "TestEvents")) {
fprintf(stderr, "Internal inconsistency in OptApiGetOptions\n");
exit(1);
}
// Now check and see if there are the correct number of arguments.
if(argc != 4 ) {
fprintf(stderr, USAGE, argv[0]);
exit(1);
}
// Now first get the list of options requested.
{
nOptionsRequested = GetOptionList(argv[3], Request);
{
int i;
printf("Testing Events for %d options: ", nOptionsRequested);
for( i = 0 ; i < nOptionsRequested; i ++)
printf("%02x ", (int)Request[i]);
}
}
// Now get the adapter.
if(strlen(argv[2]) != mbstowcs(AdapterName, argv[2], strlen(argv[2]))) {
fprintf(stderr, "Could not convert %s to LPWSTR! sorry\n", argv[2]);
exit(1);
}
// null terminate the string.
AdapterName[strlen(argv[2])] = L'\0' ;
// now call the function to get options.
printf(" from adapter <%s>\n", argv[2]);
{
DWORD result;
HANDLE Handle;
result = DhcpRegisterOptions(
AdapterName,
Request, nOptionsRequested, &Handle
);
printf("result is %d, Handle = 0x%p\n", result, Handle);
if(result) {
fprintf(stderr, "function call failed\n");
return;
}
printf("Please use another window to do a ipconfig /renew and obtain\n");
printf("one of the above options...\n");
printf("WaitForSingleObject(Handle,INFINITE) = ");
switch(WaitForSingleObject(Handle, INFINITE)) {
case WAIT_ABANDONED: printf("WAIT_ABANDONED! Giving up\n"); return;
case WAIT_OBJECT_0 : printf("WAIT_OBJECT_0 ! proceeding\n"); break;
case WAIT_TIMEOUT : printf("WAIT_TIMEOUT ! Giving up\n"); return;
case WAIT_FAILED : printf("WAIT_FAILED (%d); giving up\n", GetLastError()); return;
default: printf("XXXX; this should not happen at all!\n"); return;
}
// Okay the object was signalled. So, now we have to do a request on this.
result = DhcpRequestOptions(
AdapterName,
Request, nOptionsRequested,
&options_data, &opt_data_size,
&pObtained, &nObtained
);
printf("Result is: %d; Obtained: %d\nList size is %d\n",
result,
nObtained,
opt_data_size);
if(result) {
fprintf(stderr, "function call failed\n");
return;
}
printf("Data: ");
while(opt_data_size--)
printf("%02x ", *options_data++);
printf("\n");
// Now deregister this object.
result = DhcpDeRegisterOptions(Handle);
printf("DeRegister(0x%p) = %ld\n", Handle, result);
}
// done
printf("bye\n");
}
void
OptApiEnumClasses(int argc, char *argv[]) {
WCHAR AdapterName[256];
DHCP_CLASS_INFO *Classes;
ULONG Size, RetVal;
ULONG i;
// Check for the size and # of arguments.
if( argc != 3 ) {
fprintf(stderr, USAGE , argv[0]);
exit(1);
}
// Now create a WSTR out of argv[2].
if( strlen(argv[2]) != mbstowcs(AdapterName, argv[2], strlen(argv[2]))) {
fprintf(stderr, "Could not convert %s to LPWSTR! sorry\n", argv[2]);
exit(1);
}
AdapterName[strlen(argv[2])] = L'\0';
Size = 0;
Classes = NULL;
RetVal = DhcpEnumClasses( 0, AdapterName, &Size, Classes);
if( ERROR_MORE_DATA != RetVal ) {
printf("Return Value for first call = %ld\n", RetVal);
return;
}
printf("Size required is %ld\n", Size);
if( 0 == Size ) return ;
Classes = LocalAlloc(LMEM_FIXED, Size);
if( NULL == Classes ) {
printf("Could not allocate memory: %ld\n", GetLastError());
return;
}
RetVal = DhcpEnumClasses(0, AdapterName, &Size, Classes);
if( ERROR_SUCCESS != RetVal ) {
printf("Return value for second call = %ld\n", RetVal);
return;
}
printf("Returned # of classes = %ld\n", Size);
for( i = 0; i != Size ; i ++ ) {
ULONG j;
printf("Class [%ld] = <%ws, %ws> Data[%ld] : ", i, Classes[i].ClassName, Classes[i].ClassDescr, Classes[i].ClassDataLen);
for( j = 0; j != Classes[i].ClassDataLen ; j ++ ) {
printf("%02X ", Classes[i].ClassData[j]);
}
printf("\n");
}
}
void
OptApiSetClass(int argc, char *argv[]) {
WCHAR AdapterName[256];
WCHAR UserClass[256];
HKEY InterfacesKey, AdapterKey;
DHCP_PNP_CHANGE Changes = {
0,
0,
0,
0,
TRUE
};
ULONG Size, RetVal;
ULONG i;
// check for the size and # of arguments
if( argc != 4 ) {
fprintf(stderr, USAGE, argv[0]);
exit(1);
}
// Now create a WSTR out of argv[2] and argv[3]
if( strlen(argv[2]) != mbstowcs(AdapterName, argv[2], strlen(argv[2]))) {
fprintf(stderr, "Could not convert %s to LPwSTR! sorry\n", argv[2]);
exit(1);
}
UserClass[strlen(argv[3])] = L'\0';
if( strlen(argv[3]) != mbstowcs(UserClass, argv[3], strlen(argv[3]))) {
fprintf(stderr, "Could not convert %s to LPwSTR! sorry\n", argv[3]);
exit(1);
}
UserClass[strlen(argv[3])] = L'\0';
RetVal = RegOpenKeyExW(
HKEY_LOCAL_MACHINE,
L"System\\CurrentControlSet\\Services\\Tcpip\\Parameters\\Interfaces",
0,
KEY_ALL_ACCESS,
&InterfacesKey
);
if( ERROR_SUCCESS != RetVal ) {
printf("Couldn't open Tcpip\\Interfaces key: %ld\n", RetVal);
return;
}
RetVal = RegOpenKeyExW(
InterfacesKey,
AdapterName,
0,
KEY_ALL_ACCESS,
&AdapterKey
);
if( ERROR_SUCCESS != RetVal ) {
printf("Couldn't open Tcpip\\Interfaces\\%ws key : %ld\n", AdapterName, RetVal);
return;
}
RetVal = RegSetValueExW(
AdapterKey,
L"DhcpClassId",
0,
REG_SZ,
(LPBYTE)UserClass,
(wcslen(UserClass)+1)*sizeof(WCHAR)
);
if( ERROR_SUCCESS != RetVal ) {
printf("RegSetValueExW(DhcpClassId): %ld\n", RetVal);
return;
}
RetVal = DhcpHandlePnPEvent(
0,
1,
AdapterName,
&Changes,
NULL
);
printf("DhcpHandlePnPEvent: %ld\n", RetVal);
}
void __cdecl
main(int argc, char *argv[]) {
if(argc < 2) {
fprintf(stderr, USAGE, argv[0]);
exit(1);
}
if(!_stricmp(argv[1], "GetOptions")) {
OptApiGetOptions(argc, argv);
} else if(!_stricmp(argv[1], "TestEvents")) {
OptApiTestEvents(argc, argv);
} else if(!_stricmp(argv[1], "Release") ) {
OptApiRelease(argc, argv);
} else if(!_stricmp(argv[1], "Renew") ) {
OptApiRenew(argc, argv);
} else if(!_stricmp(argv[1], "EnumClasses" ) ){
OptApiEnumClasses(argc, argv);
} else if(!_stricmp(argv[1], "SetClass" ) ) {
OptApiSetClass(argc, argv);
} else {
// currently support for no other command.
fprintf(stderr, USAGE, argv[0]);
exit(1);
}
exit(0);
}