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134 lines
4.6 KiB
134 lines
4.6 KiB
/* $OpenBSD: ssh-gss.h,v 1.11 2014/02/26 20:28:44 djm Exp $ */ |
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/* |
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* Copyright (c) 2001-2003 Simon Wilkinson. 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 `AS IS'' AND ANY EXPRESS OR |
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#ifndef _SSH_GSS_H |
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#define _SSH_GSS_H |
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#ifdef GSSAPI |
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#ifdef HAVE_GSSAPI_H |
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#include <gssapi.h> |
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#elif defined(HAVE_GSSAPI_GSSAPI_H) |
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#include <gssapi/gssapi.h> |
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#endif |
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#ifdef KRB5 |
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# ifndef HEIMDAL |
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# ifdef HAVE_GSSAPI_GENERIC_H |
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# include <gssapi_generic.h> |
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# elif defined(HAVE_GSSAPI_GSSAPI_GENERIC_H) |
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# include <gssapi/gssapi_generic.h> |
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# endif |
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/* Old MIT Kerberos doesn't seem to define GSS_NT_HOSTBASED_SERVICE */ |
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# if !HAVE_DECL_GSS_C_NT_HOSTBASED_SERVICE |
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# define GSS_C_NT_HOSTBASED_SERVICE gss_nt_service_name |
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# endif /* !HAVE_DECL_GSS_C_NT_... */ |
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# endif /* !HEIMDAL */ |
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#endif /* KRB5 */ |
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/* draft-ietf-secsh-gsskeyex-06 */ |
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#define SSH2_MSG_USERAUTH_GSSAPI_RESPONSE 60 |
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#define SSH2_MSG_USERAUTH_GSSAPI_TOKEN 61 |
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#define SSH2_MSG_USERAUTH_GSSAPI_EXCHANGE_COMPLETE 63 |
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#define SSH2_MSG_USERAUTH_GSSAPI_ERROR 64 |
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#define SSH2_MSG_USERAUTH_GSSAPI_ERRTOK 65 |
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#define SSH2_MSG_USERAUTH_GSSAPI_MIC 66 |
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#define SSH_GSS_OIDTYPE 0x06 |
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typedef struct { |
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char *filename; |
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char *envvar; |
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char *envval; |
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void *data; |
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} ssh_gssapi_ccache; |
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typedef struct { |
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gss_buffer_desc displayname; |
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gss_buffer_desc exportedname; |
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gss_cred_id_t creds; |
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struct ssh_gssapi_mech_struct *mech; |
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ssh_gssapi_ccache store; |
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} ssh_gssapi_client; |
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typedef struct ssh_gssapi_mech_struct { |
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char *enc_name; |
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char *name; |
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gss_OID_desc oid; |
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int (*dochild) (ssh_gssapi_client *); |
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int (*userok) (ssh_gssapi_client *, char *); |
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int (*localname) (ssh_gssapi_client *, char **); |
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void (*storecreds) (ssh_gssapi_client *); |
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} ssh_gssapi_mech; |
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typedef struct { |
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OM_uint32 major; /* both */ |
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OM_uint32 minor; /* both */ |
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gss_ctx_id_t context; /* both */ |
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gss_name_t name; /* both */ |
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gss_OID oid; /* client */ |
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gss_cred_id_t creds; /* server */ |
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gss_name_t client; /* server */ |
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gss_cred_id_t client_creds; /* server */ |
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} Gssctxt; |
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extern ssh_gssapi_mech *supported_mechs[]; |
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int ssh_gssapi_check_oid(Gssctxt *, void *, size_t); |
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void ssh_gssapi_set_oid_data(Gssctxt *, void *, size_t); |
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void ssh_gssapi_set_oid(Gssctxt *, gss_OID); |
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void ssh_gssapi_supported_oids(gss_OID_set *); |
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ssh_gssapi_mech *ssh_gssapi_get_ctype(Gssctxt *); |
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void ssh_gssapi_prepare_supported_oids(void); |
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OM_uint32 ssh_gssapi_test_oid_supported(OM_uint32 *, gss_OID, int *); |
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OM_uint32 ssh_gssapi_import_name(Gssctxt *, const char *); |
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OM_uint32 ssh_gssapi_init_ctx(Gssctxt *, int, |
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gss_buffer_desc *, gss_buffer_desc *, OM_uint32 *); |
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OM_uint32 ssh_gssapi_accept_ctx(Gssctxt *, |
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gss_buffer_desc *, gss_buffer_desc *, OM_uint32 *); |
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OM_uint32 ssh_gssapi_getclient(Gssctxt *, ssh_gssapi_client *); |
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void ssh_gssapi_error(Gssctxt *); |
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char *ssh_gssapi_last_error(Gssctxt *, OM_uint32 *, OM_uint32 *); |
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void ssh_gssapi_build_ctx(Gssctxt **); |
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void ssh_gssapi_delete_ctx(Gssctxt **); |
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OM_uint32 ssh_gssapi_sign(Gssctxt *, gss_buffer_t, gss_buffer_t); |
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void ssh_gssapi_buildmic(Buffer *, const char *, const char *, const char *); |
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int ssh_gssapi_check_mechanism(Gssctxt **, gss_OID, const char *); |
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/* In the server */ |
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OM_uint32 ssh_gssapi_server_ctx(Gssctxt **, gss_OID); |
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int ssh_gssapi_userok(char *name); |
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OM_uint32 ssh_gssapi_checkmic(Gssctxt *, gss_buffer_t, gss_buffer_t); |
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void ssh_gssapi_do_child(char ***, u_int *); |
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void ssh_gssapi_cleanup_creds(void); |
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void ssh_gssapi_storecreds(void); |
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#endif /* GSSAPI */ |
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#endif /* _SSH_GSS_H */
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