Adding upstream version 1:9.6p1.upstream/1%9.6p1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 139 insertions, 0 deletions

diff --git a/ssh-gss.h b/ssh-gss.h
new file mode 100644
index 0000000..a8af117
--- /dev/null
+++ b/ssh-gss.h
@@ -0,0 +1,139 @@
+/* $OpenBSD: ssh-gss.h,v 1.15 2021/01/27 10:05:28 djm Exp $ */
+/*
+ * 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
+
+#ifdef HAVE_GSSAPI_H
+#include <gssapi.h>
+#elif defined(HAVE_GSSAPI_GSSAPI_H)
+#include <gssapi/gssapi.h>
+#endif
+
+#ifdef KRB5
+# ifndef HEIMDAL
+#  ifdef HAVE_GSSAPI_GENERIC_H
+#   include <gssapi_generic.h>
+#  elif defined(HAVE_GSSAPI_GSSAPI_GENERIC_H)
+#   include <gssapi/gssapi_generic.h>
+#  endif
+
+/* Old MIT Kerberos doesn't seem to define GSS_NT_HOSTBASED_SERVICE */
+
+#  if !HAVE_DECL_GSS_C_NT_HOSTBASED_SERVICE
+#   define GSS_C_NT_HOSTBASED_SERVICE gss_nt_service_name
+#  endif /* !HAVE_DECL_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 SSH2_MSG_USERAUTH_GSSAPI_MIC			66
+
+#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 *, 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 *);
+void ssh_gssapi_prepare_supported_oids(void);
+OM_uint32 ssh_gssapi_test_oid_supported(OM_uint32 *, gss_OID, int *);
+
+struct sshbuf;
+int ssh_gssapi_get_buffer_desc(struct sshbuf *, gss_buffer_desc *);
+
+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(struct sshbuf *, const char *,
+    const char *, const char *, const struct sshbuf *);
+int ssh_gssapi_check_mechanism(Gssctxt **, gss_OID, const char *);
+
+/* In the server */
+OM_uint32 ssh_gssapi_server_ctx(Gssctxt **, gss_OID);
+int ssh_gssapi_userok(char *name);
+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);
+const char *ssh_gssapi_displayname(void);
+
+#endif /* GSSAPI */
+
+#endif /* _SSH_GSS_H */