[WIN32][C][DEV-C++]MIBREAD SNMP LECTEUR DE MIB RESEAU

//------------------------------------------------------------------------------
// Projet SNMP          : lecteur mib public distant
// Auteur               : Hanteville Nicolas
// Fichier              : main.c
// Version              : 0.1
// Date de modification : 22/03/2008
// Description          : programme complet
// Environnement        : compatiblité DEVCPP / VISUAL C++ / BORLAND C++ 5.x
//------------------------------------------------------------------------------

#include <windows.h>
#include <snmp.h>
#include <Mgmtapi.h>

//libs:
/*          
-lmgmtapi
-lsnmpapi
*/

#pragma comment(lib, "mgmtapi.lib")
#pragma comment(lib, "snmpapi.lib")

//docs:
//http://msdn2.microsoft.com/en-us/library/aa378045(VS.85).aspx

//------------------------------------------------------------------------------
//traitement complex lecture d'id jusqu'a nok
//------------------------------------------------------------------------------
BOOL LireMultOid(char *id, char *resultat , LPSNMP_MGR_SESSION session)
{
    SnmpVarBindList snmpVarList; 
     AsnInteger errorStatus,errorIndex;
    char retnom[256];
    unsigned int i;
    BOOL ret= 0;
  
   	snmpVarList.list = NULL;
    snmpVarList.len = 0;
    
   	snmpVarList.list = (SnmpVarBind *)realloc(snmpVarList.list, sizeof(SnmpVarBind) *snmpVarList.len); 
	  snmpVarList.len++;	  

    SnmpMgrStrToOid(id,&snmpVarList.list[0].name);

    if (SnmpMgrRequest(session,SNMP_PDU_GET,&snmpVarList,&errorStatus,&errorIndex)!=0)
    {
      if (errorStatus==SNMP_ERRORSTATUS_NOERROR)
      {
        printf("lecture OK\n");
        printf("[%s]\n",id);
        ret = 1;
        SnmpUtilPrintAsnAny(&snmpVarList.list[0].value);
      }
    }
    
    //récupération des suivant jus'a terminé
    if (ret)
    {
      while (SnmpMgrRequest(session,SNMP_PDU_GETNEXT,&snmpVarList,&errorStatus,&errorIndex)!=0 && ret)
      {
        if (errorStatus==SNMP_ERRORSTATUS_NOERROR)
        {
        
           retnom[0]=0;
           if (snmpVarList.list[0].name.idLength)
           {
             char szBuf[256];
             for (i=0;i<snmpVarList.list[0].name.idLength;i++)
             {
               strncat(retnom,itoa(snmpVarList.list[0].name.ids[i], szBuf, 10 ),256);
	       strncat( retnom, ".",256);           
             }
             strncat(retnom,"\0",256);
             retnom[strlen(retnom)-1]=0;
           }
            //résultat
            printf("[%s]\n",retnom);
            SnmpUtilPrintAsnAny(&snmpVarList.list[0].value);
        }else ret =0;
      }
    }
    SnmpUtilVarBindListFree(&snmpVarList);
    
    return ret;
}


//------------------------------------------------------------------------------
//prog principal
//------------------------------------------------------------------------------
int main(int argc, char *argv[])
{
  LPSNMP_MGR_SESSION session;  
  char resultat[MAX_PATH];  
    
  //ouverture de session  (ip + type: private/public)
  session = SnmpMgrOpen("127.0.0.1","public",1000,3);
  
  if (session!=0)
  {
    printf("Connexion OK\n");
    
    //traitement
    LireMultOid(".1.3.6.1.2.1.1.1.0",resultat ,session);//id racine

    //fermeture
    SnmpMgrClose(session);
  }else printf("Erreur SnmpMgrOpen\n");

  system("PAUSE");	
  return 0;
}