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c0b9f4fe65
similar the the Solaris implementation. Repackage the krb5 GSS mechanism as a plugin library for the new implementation. This also includes a comprehensive set of manpages for the GSS-API functions with text mostly taken from the RFC. Reviewed by: Love Hörnquist Åstrand <lha@it.su.se>, ru (build system), des (openssh parts)
111 lines
3.9 KiB
C
111 lines
3.9 KiB
C
/*-
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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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* $FreeBSD$
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*/
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#include <gssapi/gssapi.h>
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#include <string.h>
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#include "mech_switch.h"
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struct _gss_status_desc {
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OM_uint32 gs_status;
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const char* gs_desc;
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};
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static struct _gss_status_desc _gss_status_descs[] = {
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GSS_S_BAD_MECH, "An unsupported mechanism was requested",
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GSS_S_BAD_NAME, "An invalid name was supplied",
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GSS_S_BAD_NAMETYPE, "A supplied name was of an unsupported type",
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GSS_S_BAD_BINDINGS, "Incorrect channel bindings were supplied",
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GSS_S_BAD_STATUS, "An invalid status code was supplied",
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GSS_S_BAD_MIC, "A token had an invalid MIC",
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GSS_S_NO_CRED, "No credentials were supplied, or the "
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"credentials were unavailable or inaccessible",
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GSS_S_NO_CONTEXT, "No context has been established",
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GSS_S_DEFECTIVE_TOKEN, "A token was invalid",
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GSS_S_DEFECTIVE_CREDENTIAL, "A credential was invalid",
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GSS_S_CREDENTIALS_EXPIRED, "The referenced credentials have expired",
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GSS_S_CONTEXT_EXPIRED, "The context has expired",
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GSS_S_FAILURE, "Miscellaneous failure",
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GSS_S_BAD_QOP, "The quality-of-protection requested could "
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"not be provided",
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GSS_S_UNAUTHORIZED, "The operation is forbidden by local security "
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"policy",
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GSS_S_UNAVAILABLE, "The operation or option is unavailable",
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GSS_S_DUPLICATE_ELEMENT, "The requested credential element already "
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"exists",
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GSS_S_NAME_NOT_MN, "The provided name was not a mechanism name"
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};
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#define _gss_status_desc_count \
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sizeof(_gss_status_descs) / sizeof(_gss_status_descs[0])
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OM_uint32
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gss_display_status(OM_uint32 *minor_status,
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OM_uint32 status_value,
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int status_type,
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const gss_OID mech_type,
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OM_uint32 *message_content,
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gss_buffer_t status_string)
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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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int i;
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const char *message;
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*minor_status = 0;
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switch (status_type) {
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case GSS_C_GSS_CODE:
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for (i = 0; i < _gss_status_desc_count; i++) {
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if (_gss_status_descs[i].gs_status == status_value) {
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message = _gss_status_descs[i].gs_desc;
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status_string->length = strlen(message);
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status_string->value = strdup(message);
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return (GSS_S_COMPLETE);
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}
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}
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/*
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* Fall through to attempt to get some underlying
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* implementation to describe the value.
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*/
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case GSS_C_MECH_CODE:
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SLIST_FOREACH(m, &_gss_mechs, gm_link) {
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if (mech_type &&
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!_gss_oid_equal(&m->gm_mech_oid, mech_type))
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continue;
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major_status = m->gm_display_status(minor_status,
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status_value, status_type, mech_type,
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message_content, status_string);
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if (major_status == GSS_S_COMPLETE)
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return (GSS_S_COMPLETE);
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}
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}
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return (GSS_S_BAD_STATUS);
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}
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