使用LDAP接口获取AD域用户

/************************************************************************/
/*    Windows2000ActiveDirectory程序设计.pdf P36                        */
/*		LDAPEnumTop.c						*/
/*	作用: 连接到AD域, 并查找顶层对象, 可以通过递归此函数列出所有对象*/
/************************************************************************/

#include <Windows.h>
#include <stdio.h>
#include <Winldap.h>

#pragma comment(lib,"wldap32.lib")	// 书上没有此项, 增加此项才能通过编译

int main(int argc, char **argv)
{
PLDAP pldapSession;		// LDAP session data
PLDAPMessage plmsgSearchResponse;	// server allocated response to search request
PLDAPMessage plmsgEntry;	// server allocated response to entry request
PCHAR pszDN;		// LDAP distinguished name stringn
PCHAR* ppszDomainDN = NULL;	// Domain DN(string allocated by LDAP library)

// start an LDAP session to nearest LDAP server
// 不用host 的方法只有Win2000上才能用, 2003 上不能使用
pldapSession = ldap_init(NULL, LDAP_PORT);	// ldap_init(hostname, port)

// TODO: 判断成功与否, 当初始化失败时不应继续

// authenticate using user's current credentials
ldap_bind_s(pldapSession, NULL, NULL, LDAP_AUTH_NEGOTIATE);

// serarch the root of the LDAP server
ldap_search_s(pldapSession,		// session handle
NULL,	// locaation to start search, NULL specifies top level
LDAP_SCOPE_BASE,	// search only the root entry (rootDSE)
NULL,	// search for all objects (only one for the rootDSE)
NULL,	// no attributes specified, return all attributes
FALSE,	// return attributes types and values
&plmsgSearchResponse);	// server allocates and fills with search results

// TODO: 判断是否成功

// using the defaultNameingContext attribute, get the distinguished name of the domain
ppszDomainDN = ldap_get_values(pldapSession, plmsgSearchResponse,
"defaultNamingContest");

// TODO: 判断是否成功

// display info
printf("Listing objects at %s.\nPress CTRL+C to interrupt.\n", *ppszDomainDN);

// search first level of root container
ldap_search_s(pldapSession, // session handle
*ppszDomainDN, // location in directory to start search
LDAP_SCOPE_ONELEVEL,	// search first level below the base entry
NULL,		// SEARCH FOR ALL objects
NULL,		// no attributes spectified, return all attributes
FALSE,	// return attributes types and values
&plmsgSearchResponse);	// server allocates and fills with search results

// TODO: 判断是否成功

// get the first entry form the search results
plmsgEntry = ldap_first_entry(pldapSession, plmsgSearchResponse);

while(plmsgEntry){
// get the distinguished name of the entry
pszDN = ldap_get_dn(pldapSession, plmsgEntry);

// TODO: 判断是否成功

// print the DN of the entry
printf("%s\n", pszDN);

// get next entry
plmsgEntry = ldap_next_entry(pldapSession, plmsgEntry);
}

// instruct the library toi free the search results
ldap_value_free(ppszDomainDN);

// close the session
ldap_unbind(pldapSession);

return 0;
}