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260 lines
9.1 KiB
C
260 lines
9.1 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2005 Doug Rabson
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <gssapi/gssapi.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include "mech_switch.h"
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#include "name.h"
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#include "utils.h"
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/*
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* The implementation must reserve static storage for a
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* gss_OID_desc object containing the value
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* {10, (void *)"\x2a\x86\x48\x86\xf7\x12"
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* "\x01\x02\x01\x01"},
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* corresponding to an object-identifier value of
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* {iso(1) member-body(2) United States(840) mit(113554)
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* infosys(1) gssapi(2) generic(1) user_name(1)}. The constant
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* GSS_C_NT_USER_NAME should be initialized to point
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* to that gss_OID_desc.
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*/
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static gss_OID_desc GSS_C_NT_USER_NAME_storage =
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{10, __DECONST(void *, "\x2a\x86\x48\x86\xf7\x12\x01\x02\x01\x01")};
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gss_OID GSS_C_NT_USER_NAME = &GSS_C_NT_USER_NAME_storage;
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/*
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* The implementation must reserve static storage for a
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* gss_OID_desc object containing the value
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* {10, (void *)"\x2a\x86\x48\x86\xf7\x12"
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* "\x01\x02\x01\x02"},
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* corresponding to an object-identifier value of
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* {iso(1) member-body(2) United States(840) mit(113554)
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* infosys(1) gssapi(2) generic(1) machine_uid_name(2)}.
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* The constant GSS_C_NT_MACHINE_UID_NAME should be
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* initialized to point to that gss_OID_desc.
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*/
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static gss_OID_desc GSS_C_NT_MACHINE_UID_NAME_storage =
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{10, __DECONST(void *, "\x2a\x86\x48\x86\xf7\x12\x01\x02\x01\x02")};
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gss_OID GSS_C_NT_MACHINE_UID_NAME = &GSS_C_NT_MACHINE_UID_NAME_storage;
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/*
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* The implementation must reserve static storage for a
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* gss_OID_desc object containing the value
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* {10, (void *)"\x2a\x86\x48\x86\xf7\x12"
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* "\x01\x02\x01\x03"},
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* corresponding to an object-identifier value of
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* {iso(1) member-body(2) United States(840) mit(113554)
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* infosys(1) gssapi(2) generic(1) string_uid_name(3)}.
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* The constant GSS_C_NT_STRING_UID_NAME should be
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* initialized to point to that gss_OID_desc.
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*/
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static gss_OID_desc GSS_C_NT_STRING_UID_NAME_storage =
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{10, __DECONST(void *, "\x2a\x86\x48\x86\xf7\x12\x01\x02\x01\x03")};
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gss_OID GSS_C_NT_STRING_UID_NAME = &GSS_C_NT_STRING_UID_NAME_storage;
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/*
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* The implementation must reserve static storage for a
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* gss_OID_desc object containing the value
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* {6, (void *)"\x2b\x06\x01\x05\x06\x02"},
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* corresponding to an object-identifier value of
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* {iso(1) org(3) dod(6) internet(1) security(5)
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* nametypes(6) gss-host-based-services(2)). The constant
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* GSS_C_NT_HOSTBASED_SERVICE_X should be initialized to point
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* to that gss_OID_desc. This is a deprecated OID value, and
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* implementations wishing to support hostbased-service names
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* should instead use the GSS_C_NT_HOSTBASED_SERVICE OID,
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* defined below, to identify such names;
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* GSS_C_NT_HOSTBASED_SERVICE_X should be accepted a synonym
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* for GSS_C_NT_HOSTBASED_SERVICE when presented as an input
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* parameter, but should not be emitted by GSS-API
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* implementations
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*/
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static gss_OID_desc GSS_C_NT_HOSTBASED_SERVICE_X_storage =
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{6, __DECONST(void *, "\x2b\x06\x01\x05\x06\x02")};
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gss_OID GSS_C_NT_HOSTBASED_SERVICE_X = &GSS_C_NT_HOSTBASED_SERVICE_X_storage;
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/*
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* The implementation must reserve static storage for a
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* gss_OID_desc object containing the value
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* {10, (void *)"\x2a\x86\x48\x86\xf7\x12"
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* "\x01\x02\x01\x04"}, corresponding to an
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* object-identifier value of {iso(1) member-body(2)
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* Unites States(840) mit(113554) infosys(1) gssapi(2)
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* generic(1) service_name(4)}. The constant
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* GSS_C_NT_HOSTBASED_SERVICE should be initialized
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* to point to that gss_OID_desc.
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*/
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static gss_OID_desc GSS_C_NT_HOSTBASED_SERVICE_storage =
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{10, __DECONST(void *, "\x2a\x86\x48\x86\xf7\x12\x01\x02\x01\x04")};
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gss_OID GSS_C_NT_HOSTBASED_SERVICE = &GSS_C_NT_HOSTBASED_SERVICE_storage;
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/*
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* The implementation must reserve static storage for a
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* gss_OID_desc object containing the value
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* {6, (void *)"\x2b\x06\01\x05\x06\x03"},
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* corresponding to an object identifier value of
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* {1(iso), 3(org), 6(dod), 1(internet), 5(security),
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* 6(nametypes), 3(gss-anonymous-name)}. The constant
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* and GSS_C_NT_ANONYMOUS should be initialized to point
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* to that gss_OID_desc.
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*/
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static gss_OID_desc GSS_C_NT_ANONYMOUS_storage =
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{6, __DECONST(void *, "\x2b\x06\01\x05\x06\x03")};
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gss_OID GSS_C_NT_ANONYMOUS = &GSS_C_NT_ANONYMOUS_storage;
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/*
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* The implementation must reserve static storage for a
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* gss_OID_desc object containing the value
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* {6, (void *)"\x2b\x06\x01\x05\x06\x04"},
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* corresponding to an object-identifier value of
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* {1(iso), 3(org), 6(dod), 1(internet), 5(security),
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* 6(nametypes), 4(gss-api-exported-name)}. The constant
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* GSS_C_NT_EXPORT_NAME should be initialized to point
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* to that gss_OID_desc.
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*/
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static gss_OID_desc GSS_C_NT_EXPORT_NAME_storage =
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{6, __DECONST(void *, "\x2b\x06\x01\x05\x06\x04")};
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gss_OID GSS_C_NT_EXPORT_NAME = &GSS_C_NT_EXPORT_NAME_storage;
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/*
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* This name form shall be represented by the Object Identifier {iso(1)
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* member-body(2) United States(840) mit(113554) infosys(1) gssapi(2)
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* krb5(2) krb5_name(1)}. The recommended symbolic name for this type
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* is "GSS_KRB5_NT_PRINCIPAL_NAME".
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*/
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static gss_OID_desc GSS_KRB5_NT_PRINCIPAL_NAME_storage =
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{10, __DECONST(void *, "\x2a\x86\x48\x86\xf7\x12\x01\x02\x02\x01")};
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gss_OID GSS_KRB5_NT_PRINCIPAL_NAME = &GSS_KRB5_NT_PRINCIPAL_NAME_storage;
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/*
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* This name form shall be represented by the Object Identifier {iso(1)
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* member-body(2) United States(840) mit(113554) infosys(1) gssapi(2)
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* generic(1) user_name(1)}. The recommended symbolic name for this
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* type is "GSS_KRB5_NT_USER_NAME".
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*/
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gss_OID GSS_KRB5_NT_USER_NAME = &GSS_C_NT_USER_NAME_storage;
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/*
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* This name form shall be represented by the Object Identifier {iso(1)
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* member-body(2) United States(840) mit(113554) infosys(1) gssapi(2)
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* generic(1) machine_uid_name(2)}. The recommended symbolic name for
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* this type is "GSS_KRB5_NT_MACHINE_UID_NAME".
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*/
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gss_OID GSS_KRB5_NT_MACHINE_UID_NAME = &GSS_C_NT_MACHINE_UID_NAME_storage;
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/*
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* This name form shall be represented by the Object Identifier {iso(1)
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* member-body(2) United States(840) mit(113554) infosys(1) gssapi(2)
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* generic(1) string_uid_name(3)}. The recommended symbolic name for
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* this type is "GSS_KRB5_NT_STRING_UID_NAME".
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*/
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gss_OID GSS_KRB5_NT_STRING_UID_NAME = &GSS_C_NT_STRING_UID_NAME_storage;
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OM_uint32
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_gss_find_mn(OM_uint32 *minor_status, struct _gss_name *name, gss_OID mech,
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struct _gss_mechanism_name **output_mn)
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{
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OM_uint32 major_status;
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struct _gss_mech_switch *m;
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struct _gss_mechanism_name *mn;
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*output_mn = NULL;
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SLIST_FOREACH(mn, &name->gn_mn, gmn_link) {
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if (gss_oid_equal(mech, mn->gmn_mech_oid))
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break;
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}
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if (!mn) {
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/*
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* If this name is canonical (i.e. there is only an
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* MN but it is from a different mech), give up now.
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*/
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if (!name->gn_value.value)
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return (GSS_S_BAD_NAME);
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m = _gss_find_mech_switch(mech);
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if (!m)
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return (GSS_S_BAD_MECH);
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mn = malloc(sizeof(struct _gss_mechanism_name));
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if (!mn)
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return (GSS_S_FAILURE);
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major_status = m->gm_import_name(minor_status,
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&name->gn_value,
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(name->gn_type.elements
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? &name->gn_type : GSS_C_NO_OID),
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&mn->gmn_name);
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if (major_status != GSS_S_COMPLETE) {
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_gss_mg_error(m, major_status, *minor_status);
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free(mn);
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return (major_status);
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}
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mn->gmn_mech = m;
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mn->gmn_mech_oid = &m->gm_mech_oid;
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SLIST_INSERT_HEAD(&name->gn_mn, mn, gmn_link);
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}
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*output_mn = mn;
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return (GSS_S_COMPLETE);
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}
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/*
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* Make a name from an MN.
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*/
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struct _gss_name *
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_gss_make_name(struct _gss_mech_switch *m, gss_name_t new_mn)
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{
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struct _gss_name *name;
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struct _gss_mechanism_name *mn;
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name = malloc(sizeof(struct _gss_name));
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if (!name)
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return (0);
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memset(name, 0, sizeof(struct _gss_name));
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mn = malloc(sizeof(struct _gss_mechanism_name));
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if (!mn) {
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free(name);
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return (0);
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}
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SLIST_INIT(&name->gn_mn);
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mn->gmn_mech = m;
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mn->gmn_mech_oid = &m->gm_mech_oid;
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mn->gmn_name = new_mn;
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SLIST_INSERT_HEAD(&name->gn_mn, mn, gmn_link);
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return (name);
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}
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