+/* $OpenBSD: ssh-gss.h,v 1.10 2007/06/12 08:20:00 djm Exp $ */
/*
- * Copyright (c) 2001-2003 Simon Wilkinson. All rights reserved.
+ * Copyright (c) 2001-2009 Simon Wilkinson. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
#ifdef GSSAPI
-#include "kex.h"
-#include "buffer.h"
-
+#ifdef HAVE_GSSAPI_H
#include <gssapi.h>
+#elif defined(HAVE_GSSAPI_GSSAPI_H)
+#include <gssapi/gssapi.h>
+#endif
#ifndef MECHGLUE
#ifdef KRB5
-#ifndef HEIMDAL
-#include <gssapi_generic.h>
+# ifndef HEIMDAL
+# ifdef HAVE_GSSAPI_GENERIC_H
+# include <gssapi_generic.h>
+# elif defined(HAVE_GSSAPI_GSSAPI_GENERIC_H)
+# include <gssapi/gssapi_generic.h>
+# endif
/* MIT Kerberos doesn't seem to define GSS_NT_HOSTBASED_SERVICE */
#endif /* !MECHGLUE */
/* draft-ietf-secsh-gsskeyex-06 */
-#define SSH2_MSG_KEXGSS_INIT 30
-#define SSH2_MSG_KEXGSS_CONTINUE 31
-#define SSH2_MSG_KEXGSS_COMPLETE 32
-#define SSH2_MSG_KEXGSS_HOSTKEY 33
-#define SSH2_MSG_KEXGSS_ERROR 34
#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 SSH2_MSG_USERAUTH_GSSAPI_MIC 66
#define SSH_GSS_OIDTYPE 0x06
-#define KEX_GSS_SHA1 "gss-group1-sha1-"
+#define SSH2_MSG_KEXGSS_INIT 30
+#define SSH2_MSG_KEXGSS_CONTINUE 31
+#define SSH2_MSG_KEXGSS_COMPLETE 32
+#define SSH2_MSG_KEXGSS_HOSTKEY 33
+#define SSH2_MSG_KEXGSS_ERROR 34
+#define SSH2_MSG_KEXGSS_GROUPREQ 40
+#define SSH2_MSG_KEXGSS_GROUP 41
+#define KEX_GSS_GRP1_SHA1_ID "gss-group1-sha1-"
+#define KEX_GSS_GRP14_SHA1_ID "gss-group14-sha1-"
+#define KEX_GSS_GEX_SHA1_ID "gss-gex-sha1-"
typedef struct {
char *filename;
char *envvar;
char *envval;
+ struct passwd *owner;
void *data;
} ssh_gssapi_ccache;
gss_buffer_desc displayname;
gss_buffer_desc exportedname;
gss_cred_id_t creds;
+ gss_name_t name;
struct ssh_gssapi_mech_struct *mech;
ssh_gssapi_ccache store;
+ gss_ctx_id_t context;
+ int used;
+ int updated;
} ssh_gssapi_client;
typedef struct ssh_gssapi_mech_struct {
int (*userok) (ssh_gssapi_client *, char *);
int (*localname) (ssh_gssapi_client *, char **);
void (*storecreds) (ssh_gssapi_client *);
+ int (*updatecreds) (ssh_gssapi_ccache *, ssh_gssapi_client *);
} ssh_gssapi_mech;
typedef struct {
gss_OID oid; /* both */
gss_cred_id_t creds; /* server */
gss_name_t client; /* server */
- gss_cred_id_t client_creds; /* server */
+ gss_cred_id_t client_creds; /* both */
} Gssctxt;
extern ssh_gssapi_mech *supported_mechs[];
+extern Gssctxt *gss_kex_context;
+
+int ssh_gssapi_check_oid(Gssctxt *, void *, size_t);
+void ssh_gssapi_set_oid_data(Gssctxt *, void *, size_t);
+void ssh_gssapi_set_oid(Gssctxt *, gss_OID);
+void ssh_gssapi_supported_oids(gss_OID_set *);
+ssh_gssapi_mech *ssh_gssapi_get_ctype(Gssctxt *);
+
+OM_uint32 ssh_gssapi_import_name(Gssctxt *, const char *);
+OM_uint32 ssh_gssapi_init_ctx(Gssctxt *, int,
+ gss_buffer_desc *, gss_buffer_desc *, OM_uint32 *);
+OM_uint32 ssh_gssapi_accept_ctx(Gssctxt *,
+ gss_buffer_desc *, gss_buffer_desc *, OM_uint32 *);
+OM_uint32 ssh_gssapi_getclient(Gssctxt *, ssh_gssapi_client *);
+void ssh_gssapi_error(Gssctxt *);
+char *ssh_gssapi_last_error(Gssctxt *, OM_uint32 *, OM_uint32 *);
+void ssh_gssapi_build_ctx(Gssctxt **);
+void ssh_gssapi_delete_ctx(Gssctxt **);
+OM_uint32 ssh_gssapi_sign(Gssctxt *, gss_buffer_t, gss_buffer_t);
+void ssh_gssapi_buildmic(Buffer *, const char *, const char *, const char *);
+int ssh_gssapi_check_mechanism(Gssctxt **, gss_OID, const char *, const char *);
+OM_uint32 ssh_gssapi_client_identity(Gssctxt *, const char *);
+int ssh_gssapi_credentials_updated(Gssctxt *);
-char *ssh_gssapi_mechanisms(char *host);
-char *ssh_gssapi_client_mechanisms(char *host);
-gss_OID ssh_gssapi_client_id_kex(Gssctxt *ctx, char *name);
-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);
-
-int ssh_gssapi_check_mechanism(gss_OID oid, char *host);
-
-/* In the server */
-gss_OID ssh_gssapi_server_id_kex(char *name);
-int ssh_gssapi_userok(char *name);
int ssh_gssapi_localname(char **name);
-void ssh_gssapi_server(Kex *kex, Buffer *client_kexinit,
- Buffer *server_kexinit);
-
-OM_uint32 ssh_gssapi_sign(Gssctxt *ctx, gss_buffer_desc *buffer,
- gss_buffer_desc *hash);
+void ssh_gssapi_rekey_creds();
-void ssh_gssapi_do_child(char ***envp, u_int *envsizep);
-void ssh_gssapi_cleanup_creds(void *ignored);
+/* In the server */
+typedef int ssh_gssapi_check_fn(Gssctxt **, gss_OID, const char *,
+ const char *);
+char *ssh_gssapi_client_mechanisms(const char *, const char *);
+char *ssh_gssapi_kex_mechs(gss_OID_set, ssh_gssapi_check_fn *, const char *,
+ const char *);
+gss_OID ssh_gssapi_id_kex(Gssctxt *, char *, int);
+int ssh_gssapi_server_check_mech(Gssctxt **,gss_OID, const char *,
+ const char *);
+OM_uint32 ssh_gssapi_server_ctx(Gssctxt **, gss_OID);
+int ssh_gssapi_userok(char *name, struct passwd *);
+OM_uint32 ssh_gssapi_checkmic(Gssctxt *, gss_buffer_t, gss_buffer_t);
+void ssh_gssapi_do_child(char ***, u_int *);
+void ssh_gssapi_cleanup_creds(void);
void ssh_gssapi_storecreds(void);
-char *ssh_gssapi_server_mechanisms();
-
-#ifdef GSI
-int gsi_gridmap(char *subject_name, char **mapped_name);
-#endif
#ifdef MECHGLUE
gss_cred_id_t __gss_get_mechanism_cred
);
#endif
+char *ssh_gssapi_server_mechanisms(void);
+int ssh_gssapi_oid_table_ok();
+
+int ssh_gssapi_update_creds(ssh_gssapi_ccache *store);
+void ssh_gssapi_get_client_info(char **userdn, char **mech);
#endif /* GSSAPI */
#endif /* _SSH_GSS_H */
andersk / gssapi-openssh.git / blobdiff