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//
#include "SLevel1_Test_i.h"
ACE_RCSID (SecurityLevel1,
SLevel1_Test_i,
"$Id$")
SLevel1_Server_i::SLevel1_Server_i (CORBA::ORB_ptr orb,
SecurityLevel1::Current_ptr ss_current)
: orb_ (CORBA::ORB::_duplicate (orb)),
ss_current_ (SecurityLevel1::Current::_duplicate (ss_current))
{
}
CORBA::Boolean
SLevel1_Server_i::authorize_level1 (CORBA::Environment &ACE_TRY_ENV)
ACE_THROW_SPEC ((CORBA::SystemException))
{
/// Lets first set the attributes that we want to get from the
/// client.
Security::AttributeType desired_attribute;
/// Who defines these attributes : OMG
desired_attribute.attribute_family.family_definer = 0;
/// What category of attributes do we want: Privilege Attributes
desired_attribute.attribute_family.family = 1;
/// What is the attribute type whose value we want to know:
/// AccessId: the identity of the principal used for access
/// control
desired_attribute.attribute_type = Security::AccessId;
/// Define the AttributeTypeList
Security::AttributeTypeList attribute_type_list;
attribute_type_list.length (1);
attribute_type_list[0] = desired_attribute;
/// Get the desired security attributes. The in parameter describes
/// the attribute type/s that we want and the return parameter is the
/// value/s of the attribute type/s that we want.
Security::AttributeList_var attribute_list =
this->ss_current_->get_attributes (attribute_type_list,
ACE_TRY_ENV);
ACE_CHECK_RETURN (1);
/// Just a preliminary check to see if we received something or
/// not. If we received some value, the length will not be zero.
CORBA::ULong len = attribute_list->length ();
if (len == 0)
{
// The desired security attribute was not available. This
// indicates a failure in the underlying security mechanism
// support.
ACE_THROW_RETURN (SLevel1_Server::NoSecurityAttributes (), 1);
}
/// Now, that we received the value of our desired attribute, lets
/// check if the value (in turn, the requesting client) has the
/// criteria to access this method.
/// @@ Assume X.509 certificates are in use.
const char x509[] = "x509";
Security::OID x509_defining_authority;
x509_defining_authority.length (sizeof (x509));
CORBA::Octet *buf =
x509_defining_authority.get_buffer ();
ACE_OS_String::memcpy (buf, x509, sizeof (x509));
X509 *peer;
for (CORBA::ULong i = 0; i < len; ++i)
{
Security::SecAttribute &attribute = attribute_list[i];
/*
* Check if the value that is returned is indeed the
* Security::AccessId that we requested for and also check if
* the defining authority is the one that we want... else it is
* an error.
*/
if (attribute.attribute_type.attribute_type == Security::AccessId
&& x509_defining_authority == attribute.defining_authority)
{
// Obtain the underlying buffer from the
// SecAttribute.
CORBA::Octet *der_cert = attribute.value.get_buffer ();
// Convert the DER encoded X.509 certificate into OpenSSL's
// internal format.
peer = ::d2i_X509 (0,
&der_cert,
attribute.value.length ());
/// This method creates a dummy certificate that
/// we will use as the basis for checking the clients
/// certificate.
X509 *x = create_check_cert ();
/// Lets compare the subject name between the certificate
/// that we received from the client and the certificate we
/// just created.
int result = ::X509_subject_name_cmp(peer, x);
/// Free these X509 pointers as we donot want them anymore.
::X509_free (peer);
::X509_free (x);
/// If the subjects match, the client is authorized.
if (result == 0)
{
// Matched and hence authorized: hence return true.
return 0;
}
else
{
// Didnt match and hence the client is not authorized.
return 1;
}
}
else
{
ACE_DEBUG ((LM_WARNING,
"(%P|%t) WARNING: Unknown attribute type <%u> or "
"defining authority in SecAttribute %u.\n",
attribute.attribute_type,
i));
return 1;
}
}
// shouldnt come here:
return 1;
}
X509 *
SLevel1_Server_i::create_check_cert ()
{
/// Trial to set a name:
X509 *x = X509_new ();
X509_NAME *name=NULL;
X509_NAME_ENTRY *ne=NULL;
name=X509_NAME_new();
char *signed_country = ACE_const_cast (char *, "US");
unsigned char *country = ACE_reinterpret_cast (unsigned char *,
signed_country);
char *signed_state = ACE_const_cast (char *, "CA");
unsigned char *state = ACE_reinterpret_cast (unsigned char *,
signed_state);
char *signed_locality = ACE_const_cast (char *, "Irvine");
unsigned char *locality = ACE_reinterpret_cast (unsigned char *,
signed_locality);
char *signed_org = ACE_const_cast (char *, "TAO+OCI");
unsigned char *org = ACE_reinterpret_cast (unsigned char *,
signed_org);
char *signed_orgunit = ACE_const_cast (char *, "OCI");
unsigned char *orgunit = ACE_reinterpret_cast (unsigned char *,
signed_orgunit);
char *signed_name = ACE_const_cast (char *, "Priyanka");
unsigned char *common_name = ACE_reinterpret_cast (unsigned char *,
signed_name);
char *signed_email = ACE_const_cast (char *, "pgontla@doc.ece.uci.edu");
unsigned char *email = ACE_reinterpret_cast (unsigned char *,
signed_email);
ne=X509_NAME_ENTRY_create_by_NID(NULL,NID_countryName,
V_ASN1_APP_CHOOSE,country,-1);
X509_NAME_add_entry(name,ne,0,0);
ne=X509_NAME_ENTRY_create_by_NID(NULL,NID_stateOrProvinceName,
V_ASN1_APP_CHOOSE,state,-1);
X509_NAME_add_entry(name,ne,1,0);
ne=X509_NAME_ENTRY_create_by_NID(NULL,NID_localityName,
V_ASN1_APP_CHOOSE,locality,-1);
X509_NAME_add_entry(name,ne,2,0);
ne=X509_NAME_ENTRY_create_by_NID(NULL,NID_organizationName,
V_ASN1_APP_CHOOSE,org,-1);
X509_NAME_add_entry(name,ne,3,0);
ne=X509_NAME_ENTRY_create_by_NID(NULL,NID_organizationalUnitName,
V_ASN1_APP_CHOOSE,orgunit,-1);
X509_NAME_add_entry(name,ne,4,0);
X509_NAME_ENTRY_create_by_NID(&ne,NID_commonName,
V_ASN1_APP_CHOOSE,common_name,-1);
X509_NAME_add_entry(name,ne,5,0);
ne=X509_NAME_ENTRY_create_by_NID(NULL,NID_pkcs9_emailAddress,
V_ASN1_APP_CHOOSE,email,-1);
X509_NAME_add_entry(name,ne,6,0);
/* finished with structure */
X509_NAME_ENTRY_free(ne);
X509_set_subject_name(x,name);
X509_set_issuer_name(x,name);
/* finished with structure */
X509_NAME_free(name);
return x;
}
void
SLevel1_Server_i::shutdown (CORBA::Environment &ACE_TRY_ENV)
ACE_THROW_SPEC ((CORBA::SystemException))
{
this->orb_->shutdown (0, ACE_TRY_ENV);
}
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