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/* -*- mode: c; indent-tabs-mode: nil -*- */
/*
* Copyright 1993 by OpenVision Technologies, Inc.
*
* Permission to use, copy, modify, distribute, and sell this software
* and its documentation for any purpose is hereby granted without fee,
* provided that the above copyright notice appears in all copies and
* that both that copyright notice and this permission notice appear in
* supporting documentation, and that the name of OpenVision not be used
* in advertising or publicity pertaining to distribution of the software
* without specific, written prior permission. OpenVision makes no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*
* OPENVISION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL OPENVISION BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
* USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/*
* Copyright (C) 1998 by the FundsXpress, INC.
*
* All rights reserved.
*
* Export of this software from the United States of America may require
* a specific license from the United States Government. It is the
* responsibility of any person or organization contemplating export to
* obtain such a license before exporting.
*
* WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
* distribute this software and its documentation for any purpose and
* without fee is hereby granted, provided that the above copyright
* notice appear in all copies and that both that copyright notice and
* this permission notice appear in supporting documentation, and that
* the name of FundsXpress. not be used in advertising or publicity pertaining
* to distribution of the software without specific, written prior
* permission. FundsXpress makes no representations about the suitability of
* this software for any purpose. It is provided "as is" without express
* or implied warranty.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
/*
* $Id$
*/
/* For declaration of krb5_ser_context_init */
#include "k5-int.h"
#include "gssapiP_krb5.h"
/** exported constants defined in gssapi_krb5{,_nx}.h **/
/* these are bogus, but will compile */
/*
* The OID of the draft krb5 mechanism, assigned by IETF, is:
* iso(1) org(3) dod(5) internet(1) security(5)
* kerberosv5(2) = 1.3.5.1.5.2
* The OID of the krb5_name type is:
* iso(1) member-body(2) US(840) mit(113554) infosys(1) gssapi(2)
* krb5(2) krb5_name(1) = 1.2.840.113554.1.2.2.1
* The OID of the krb5_principal type is:
* iso(1) member-body(2) US(840) mit(113554) infosys(1) gssapi(2)
* krb5(2) krb5_principal(2) = 1.2.840.113554.1.2.2.2
* The OID of the proposed standard krb5 mechanism is:
* iso(1) member-body(2) US(840) mit(113554) infosys(1) gssapi(2)
* krb5(2) = 1.2.840.113554.1.2.2
* The OID of the proposed standard krb5 v2 mechanism is:
* iso(1) member-body(2) US(840) mit(113554) infosys(1) gssapi(2)
* krb5v2(3) = 1.2.840.113554.1.2.3
*
*/
/*
* Encoding rules: The first two values are encoded in one byte as 40
* * value1 + value2. Subsequent values are encoded base 128, most
* significant digit first, with the high bit (\200) set on all octets
* except the last in each value's encoding.
*/
const gss_OID_desc krb5_gss_oid_array[] = {
/* this is the official, rfc-specified OID */
{GSS_MECH_KRB5_OID_LENGTH, GSS_MECH_KRB5_OID},
/* this pre-RFC mech OID */
{GSS_MECH_KRB5_OLD_OID_LENGTH, GSS_MECH_KRB5_OLD_OID},
/* this is the unofficial, incorrect mech OID emitted by MS */
{GSS_MECH_KRB5_WRONG_OID_LENGTH, GSS_MECH_KRB5_WRONG_OID},
/* this is the v2 assigned OID */
{9, "\052\206\110\206\367\022\001\002\003"},
/* these two are name type OID's */
/* 2.1.1. Kerberos Principal Name Form: (rfc 1964)
* This name form shall be represented by the Object Identifier {iso(1)
* member-body(2) United States(840) mit(113554) infosys(1) gssapi(2)
* krb5(2) krb5_name(1)}. The recommended symbolic name for this type
* is "GSS_KRB5_NT_PRINCIPAL_NAME". */
{10, "\052\206\110\206\367\022\001\002\002\001"},
/* gss_nt_krb5_principal. Object identifier for a krb5_principal. Do not use. */
{10, "\052\206\110\206\367\022\001\002\002\002"},
{ 0, 0 }
};
const gss_OID_desc * const gss_mech_krb5 = krb5_gss_oid_array+0;
const gss_OID_desc * const gss_mech_krb5_old = krb5_gss_oid_array+1;
const gss_OID_desc * const gss_mech_krb5_wrong = krb5_gss_oid_array+2;
const gss_OID_desc * const gss_nt_krb5_name = krb5_gss_oid_array+4;
const gss_OID_desc * const gss_nt_krb5_principal = krb5_gss_oid_array+5;
const gss_OID_desc * const GSS_KRB5_NT_PRINCIPAL_NAME = krb5_gss_oid_array+4;
static const gss_OID_set_desc oidsets[] = {
{1, (gss_OID) krb5_gss_oid_array+0},
{1, (gss_OID) krb5_gss_oid_array+1},
{3, (gss_OID) krb5_gss_oid_array+0},
{1, (gss_OID) krb5_gss_oid_array+2},
{3, (gss_OID) krb5_gss_oid_array+0},
};
const gss_OID_set_desc * const gss_mech_set_krb5 = oidsets+0;
const gss_OID_set_desc * const gss_mech_set_krb5_old = oidsets+1;
const gss_OID_set_desc * const gss_mech_set_krb5_both = oidsets+2;
g_set kg_vdb = G_SET_INIT;
/** default credential support */
/*
* init_sec_context() will explicitly re-acquire default credentials,
* so handling the expiration/invalidation condition here isn't needed.
*/
OM_uint32
kg_get_defcred(minor_status, cred)
OM_uint32 *minor_status;
gss_cred_id_t *cred;
{
OM_uint32 major;
if ((major = krb5_gss_acquire_cred(minor_status,
(gss_name_t) NULL, GSS_C_INDEFINITE,
GSS_C_NULL_OID_SET, GSS_C_INITIATE,
cred, NULL, NULL)) && GSS_ERROR(major)) {
return(major);
}
*minor_status = 0;
return(GSS_S_COMPLETE);
}
OM_uint32
kg_sync_ccache_name (krb5_context context, OM_uint32 *minor_status)
{
OM_uint32 err = 0;
/*
* Sync up the context ccache name with the GSSAPI ccache name.
* If kg_ccache_name is NULL -- normal unless someone has called
* gss_krb5_ccache_name() -- then the system default ccache will
* be picked up and used by resetting the context default ccache.
* This is needed for platforms which support multiple ccaches.
*/
if (!err) {
/* if NULL, resets the context default ccache */
err = krb5_cc_set_default_name(context,
(char *) k5_getspecific(K5_KEY_GSS_KRB5_CCACHE_NAME));
}
*minor_status = err;
return (*minor_status == 0) ? GSS_S_COMPLETE : GSS_S_FAILURE;
}
/* This function returns whether or not the caller set a cccache name. Used by
* gss_acquire_cred to figure out if the caller wants to only look at this
* ccache or search the cache collection for the desired name */
OM_uint32
kg_caller_provided_ccache_name (OM_uint32 *minor_status,
int *out_caller_provided_name)
{
if (out_caller_provided_name) {
*out_caller_provided_name =
(k5_getspecific(K5_KEY_GSS_KRB5_CCACHE_NAME) != NULL);
}
*minor_status = 0;
return GSS_S_COMPLETE;
}
OM_uint32
kg_get_ccache_name (OM_uint32 *minor_status, const char **out_name)
{
const char *name = NULL;
OM_uint32 err = 0;
char *kg_ccache_name;
kg_ccache_name = k5_getspecific(K5_KEY_GSS_KRB5_CCACHE_NAME);
if (kg_ccache_name != NULL) {
name = strdup(kg_ccache_name);
if (name == NULL)
err = ENOMEM;
} else {
krb5_context context = NULL;
/* Reset the context default ccache (see text above), and then
retrieve it. */
err = krb5_gss_init_context(&context);
if (!err)
err = krb5_cc_set_default_name (context, NULL);
if (!err) {
name = krb5_cc_default_name(context);
if (name) {
name = strdup(name);
if (name == NULL)
err = ENOMEM;
}
}
if (err && context)
save_error_info(err, context);
if (context)
krb5_free_context(context);
}
if (!err) {
if (out_name) {
*out_name = name;
}
}
*minor_status = err;
return (*minor_status == 0) ? GSS_S_COMPLETE : GSS_S_FAILURE;
}
OM_uint32
kg_set_ccache_name (OM_uint32 *minor_status, const char *name)
{
char *new_name = NULL;
char *swap = NULL;
char *kg_ccache_name;
krb5_error_code kerr;
if (name) {
new_name = strdup(name);
if (new_name == NULL) {
*minor_status = ENOMEM;
return GSS_S_FAILURE;
}
}
kg_ccache_name = k5_getspecific(K5_KEY_GSS_KRB5_CCACHE_NAME);
swap = kg_ccache_name;
kg_ccache_name = new_name;
new_name = swap;
kerr = k5_setspecific(K5_KEY_GSS_KRB5_CCACHE_NAME, kg_ccache_name);
if (kerr != 0) {
/* Can't store, so free up the storage. */
free(kg_ccache_name);
/* ??? free(new_name); */
*minor_status = kerr;
return GSS_S_FAILURE;
}
free (new_name);
*minor_status = 0;
return GSS_S_COMPLETE;
}
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