Programming Guides › Programming Guide for C › Authorization API › Active Expression Examples › Example of an Active Response

Example of an Active Response

This active response returns the common name (cn) of the user, if the user belongs to the organizational unit specified in the parameter (param) field of the active response expression.

<@ lib="SmAzAPI" func="activeResponse" param="Human Resources" @>
***********************************************************
int SM_EXTERN activeResponse(
const Sm_Api_Context_t*   lpApiContext,   
/* the structure that provides API context */
const Sm_Api_UserContext_t*  lpUserContext, 
/* the structure that provides user context */
const Sm_Api_RequestContext_t*  lpReqContext,   
/* the structure that provides request context */
const char* lpszParam,      
/* the parameter string (null-terminated) */
const int  nBytesOutBuf,   
/* the maximum size of the output buffer */
char*  lpszOutBuf,     
/* the output buffer to hold the null-terminated attribute value */
const int   nBytesErrBuf,   
/* the maximum size of the error message buffer */
char*   lpszErrBuf)     
/* the output buffer to hold the null-terminated error message */
{
memset(lpszOutBuf, 0, sizeof(lpszOutBuf));
if(!lpUserContext->bIsUserContext)
      {
      strncpy (lpszErrBuf, "No User Context ", nBytesErrBuf);
      lpszErrBuf[nBytesErrBuf-1] = '\0';
      return -1;
      }
/* Store all the organizational units to which the user belongs. */
char lpszOrgUnit[30];
memset(lpszOrgUnit, 0, sizeof(lpszOrgUnit));
/* store the common name of the user. */
char lpszCN[30];
memset(lpszCN, 0, sizeof(lpszCN));
/* Check to see if a parameter is requested. */
if(lpszParam == NULL || strlen(lpszParam) == 0) 
   {
   strncpy (lpszErrBuf, "Organizational unit is not entered ",
            nBytesErrBuf);
   lpszErrBuf[nBytesErrBuf-1] = '\0';
   return -1;
   }
/* Get all the organization units to which the user belongs. */
int getResult = lpUserContext->fGetProp (
   lpUserContext->lpParam,
   "ou",              /* Attribute name */
   sizeof (lpszOrgUnit), lpszOrgUnit);
if (getResult < 0)
   {
   strncpy (lpszErrBuf, 
        "Failed to get organization unit for the user's profile ",
        nBytesErrBuf);
   strncat( (lpszErrBuf + strlen(lpszErrBuf)), 
            lpUserContext->lpszUserName, 
            (nBytesErrBuf-strlen(lpszErrBuf)));
   lpszErrBuf[nBytesErrBuf-1] = '\0';
   return -1;
   }
    else
    {
/* Check if the user belongs to the organization unit that is requested. */
   if(strstr(lpszOrgUnit, lpszParam) != NULL)
      {
      if((lpUserContext->fGetProp(lpUserContext->lpParam,
           "cn",sizeof(lpszCN),lpszCN)) > 0)
         {
         strncpy(lpszOutBuf, lpszCN, nBytesOutBuf);
         lpszOutBuf[nBytesOutBuf-1] = '\0';
         return strlen(lpszOutBuf);
         } /* end of fGetProp */
         else
         {
         strncpy (lpszErrBuf, 
          "Failed to get user common name from user's profile attribute ",
           nBytesErrBuf);
         strncat( (lpszErrBuf + strlen(lpszErrBuf)),
                    lpUserContext->lpszUserName, 
                    (nBytesErrBuf-strlen(lpszErrBuf)));
         lpszErrBuf[nBytesErrBuf-1] = '\0';
         return -1;
         }
        } /* end of strstr */
        else
        {
      strncpy (lpszErrBuf, 
       "The user does not belong to the requested organizational unit ", 
        nBytesErrBuf);
      lpszErrBuf[nBytesErrBuf-1] = '\0';
      return -1;
      }
   }
    /* everything failed.... */
    return 0;
 }
#ifndef _WIN32
}

#endif