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author | des <des@FreeBSD.org> | 2004-01-07 11:10:17 +0000 |
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committer | des <des@FreeBSD.org> | 2004-01-07 11:10:17 +0000 |
commit | b5d16e713867abc03742aca168b7a54a25c4790b (patch) | |
tree | d7e09b6d73cb37aa875779151439b14df7273b87 /crypto/openssh/ssh-gss.h | |
parent | dc42ef026434942c55e8af3dd0e975d36afc6843 (diff) | |
download | FreeBSD-src-b5d16e713867abc03742aca168b7a54a25c4790b.zip FreeBSD-src-b5d16e713867abc03742aca168b7a54a25c4790b.tar.gz |
Vendor import of OpenSSH 3.7.1p2.
Diffstat (limited to 'crypto/openssh/ssh-gss.h')
-rw-r--r-- | crypto/openssh/ssh-gss.h | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/crypto/openssh/ssh-gss.h b/crypto/openssh/ssh-gss.h new file mode 100644 index 0000000..6b58adb --- /dev/null +++ b/crypto/openssh/ssh-gss.h @@ -0,0 +1,121 @@ +/* + * Copyright (c) 2001-2003 Simon Wilkinson. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR `AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _SSH_GSS_H +#define _SSH_GSS_H + +#ifdef GSSAPI + +#include "buffer.h" + +#include <gssapi.h> + +#ifdef KRB5 +#ifndef HEIMDAL +#include <gssapi_generic.h> + +/* MIT Kerberos doesn't seem to define GSS_NT_HOSTBASED_SERVICE */ + +#ifndef GSS_C_NT_HOSTBASED_SERVICE +#define GSS_C_NT_HOSTBASED_SERVICE gss_nt_service_name +#endif /* GSS_C_NT_... */ +#endif /* !HEIMDAL */ +#endif /* KRB5 */ + +/* draft-ietf-secsh-gsskeyex-06 */ +#define SSH2_MSG_USERAUTH_GSSAPI_RESPONSE 60 +#define SSH2_MSG_USERAUTH_GSSAPI_TOKEN 61 +#define SSH2_MSG_USERAUTH_GSSAPI_EXCHANGE_COMPLETE 63 +#define SSH2_MSG_USERAUTH_GSSAPI_ERROR 64 +#define SSH2_MSG_USERAUTH_GSSAPI_ERRTOK 65 + +#define SSH_GSS_OIDTYPE 0x06 + +typedef struct { + char *filename; + char *envvar; + char *envval; + void *data; +} ssh_gssapi_ccache; + +typedef struct { + gss_buffer_desc displayname; + gss_buffer_desc exportedname; + gss_cred_id_t creds; + struct ssh_gssapi_mech_struct *mech; + ssh_gssapi_ccache store; +} ssh_gssapi_client; + +typedef struct ssh_gssapi_mech_struct { + char *enc_name; + char *name; + gss_OID_desc oid; + int (*dochild) (ssh_gssapi_client *); + int (*userok) (ssh_gssapi_client *, char *); + int (*localname) (ssh_gssapi_client *, char **); + void (*storecreds) (ssh_gssapi_client *); +} ssh_gssapi_mech; + +typedef struct { + OM_uint32 major; /* both */ + OM_uint32 minor; /* both */ + gss_ctx_id_t context; /* both */ + gss_name_t name; /* both */ + gss_OID oid; /* client */ + gss_cred_id_t creds; /* server */ + gss_name_t client; /* server */ + gss_cred_id_t client_creds; /* server */ +} Gssctxt; + +extern ssh_gssapi_mech *supported_mechs[]; + +int ssh_gssapi_check_oid(Gssctxt *ctx, void *data, size_t len); +void ssh_gssapi_set_oid_data(Gssctxt *ctx, void *data, size_t len); +void ssh_gssapi_set_oid(Gssctxt *ctx, gss_OID oid); +void ssh_gssapi_supported_oids(gss_OID_set *oidset); +ssh_gssapi_mech *ssh_gssapi_get_ctype(Gssctxt *ctxt); + +OM_uint32 ssh_gssapi_import_name(Gssctxt *ctx, const char *host); +OM_uint32 ssh_gssapi_acquire_cred(Gssctxt *ctx); +OM_uint32 ssh_gssapi_init_ctx(Gssctxt *ctx, int deleg_creds, + gss_buffer_desc *recv_tok, gss_buffer_desc *send_tok, OM_uint32 *flags); +OM_uint32 ssh_gssapi_accept_ctx(Gssctxt *ctx, + gss_buffer_desc *recv_tok, gss_buffer_desc *send_tok, OM_uint32 *flags); +OM_uint32 ssh_gssapi_getclient(Gssctxt *ctx, ssh_gssapi_client *); +void ssh_gssapi_error(Gssctxt *ctx); +char *ssh_gssapi_last_error(Gssctxt *ctxt, OM_uint32 *maj, OM_uint32 *min); +void ssh_gssapi_build_ctx(Gssctxt **ctx); +void ssh_gssapi_delete_ctx(Gssctxt **ctx); +OM_uint32 ssh_gssapi_server_ctx(Gssctxt **ctx, gss_OID oid); + +/* In the server */ +int ssh_gssapi_userok(char *name); + +void ssh_gssapi_do_child(char ***envp, u_int *envsizep); +void ssh_gssapi_cleanup_creds(void *ignored); +void ssh_gssapi_storecreds(void); + +#endif /* GSSAPI */ + +#endif /* _SSH_GSS_H */ |