windows 用户管理函数
包含添加用户，删除用户，枚举用户，获取用户信息
1.添加用户函数 NetUserAdd
2.删除用户函数 NetUserDel
3.枚举用户函数 NetUserEunm
4.将一个用户加入一个本地的组 NetLocalGroupAddMembers
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程序示例：
获取用户个数，枚举用户，添加管理员用户，删除用户
#define MAX_BUFF 1024*4
#include
#include
#include
#include
#pragma comment(lib, "netapi32.lib")
char Temp[MAX_BUFF] = {0};
int UserEnum();
int GetUserNum();
int wmain(int argc, wchar_t *argv[])
{
USER_INFO_1 ui;
DWORD dwLevel = 1;
DWORD dwError = 0;
NET_API_STATUS nStatus;
LPWSTR UserName = L"alex";
// get user number
int UserNum = GetUserNum();
// Enum all user
UserEnum();
ui.usri1_name = UserName;
ui.usri1_password = UserName;
ui.usri1_priv = USER_PRIV_USER;
ui.usri1_home_dir = NULL;
ui.usri1_comment = NULL;
ui.usri1_flags = UF_SCRIPT;
ui.usri1_script_path = NULL;
// add a user
nStatus = NetUserAdd(NULL,dwLevel,(LPBYTE)&ui,&dwError);
if (nStatus == NERR_Success)
fwprintf(stderr, L"User %s has been successfully added ",UserName);
else
fprintf(stderr, "A system error has occurred: %d ", nStatus);
// add alex user to Administrators group
LPWSTR szgroup = L"Administrators";
LOCALGROUP_MEMBERS_INFO_3 LGMInfo;
LGMInfo.lgrmi3_domainandname = UserName;
nStatus = NetLocalGroupAddMembers(NULL,szgroup,3,(LPBYTE)&LGMInfo,1);
// del a user
nStatus = NetUserDel(NULL,UserName);
if (nStatus == NERR_Success)
fwprintf(stderr, L"User %s has been successfully deleated ",UserName);
else
fprintf(stderr, "A system error has occurred: %d ", nStatus);
return 0;
}
int UserEnum()
{
LPUSER_INFO_3 pBuf = NULL;
LPUSER_INFO_3 pTmpBuf;
DWORD i;
DWORD dwLevel = 3;
DWORD dwPrefMaxLen = -1;
DWORD dwEntriesRead = 0;
DWORD dwTotalEntries = 0;
DWORD dwResumeHandle = 0;
LPTSTR pszServerName = NULL;
NET_API_STATUS nStatus;
do
{
nStatus = NetUserEnum(NULL,dwLevel,FILTER_NORMAL_ACCOUNT,(LPBYTE*)&pBuf,dwPrefMaxLen,&dwEntriesRead,&dwTotalEntries,&dwResumeHandle);
if ((nStatus == NERR_Success) || (nStatus == ERROR_MORE_DATA))
{
if ((pTmpBuf = pBuf) != NULL)
{
for (i = 0; (i < dwEntriesRead); i++)
{
if (pTmpBuf == NULL)
{
printf("An Access Violation Has Occurred ");
break;
}
sprintf(Temp,"%-10S ", pTmpBuf->usri3_name);
switch(pTmpBuf->usri3_priv)
{
case USER_PRIV_GUEST:
strcat(Temp,"(Guest) ");
break;
case USER_PRIV_USER:
strcat(Temp,"(User) ");
break;
case USER_PRIV_ADMIN:
strcat(Temp,"(Administrator) ");
break;
default:
strcat(Temp,"(Unknow) ");
break;
}
printf("%s",Temp);
pTmpBuf++;
}
}
printf(" List System Accounts Completed ");
}
else
printf("Fail To Enum NetUser ");
if (pBu