Adding upstream version 2:4.20.0+dfsg.upstream/2%4.20.0+dfsg

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

1 files changed, 183 insertions, 0 deletions

diff --git a/auth/gensec/gensec_internal.h b/auth/gensec/gensec_internal.h
new file mode 100644
index 0000000..8efb1bd
--- /dev/null
+++ b/auth/gensec/gensec_internal.h
@@ -0,0 +1,183 @@
+/*
+   Unix SMB/CIFS implementation.
+
+   Generic Authentication Interface
+
+   Copyright (C) Andrew Tridgell 2003
+   Copyright (C) Andrew Bartlett <abartlet@samba.org> 2004-2005
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef __GENSEC_INTERNAL_H__
+#define __GENSEC_INTERNAL_H__
+
+struct gensec_security;
+
+struct gensec_security_ops {
+	const char *name;
+	const char *sasl_name;
+	bool weak_crypto;
+	uint8_t auth_type;  /* 0 if not offered on DCE-RPC */
+	const char **oid;  /* NULL if not offered by SPNEGO */
+	NTSTATUS (*client_start)(struct gensec_security *gensec_security);
+	NTSTATUS (*server_start)(struct gensec_security *gensec_security);
+	/**
+	   Determine if a packet has the right 'magic' for this mechanism
+	*/
+	NTSTATUS (*magic)(struct gensec_security *gensec_security,
+			  const DATA_BLOB *first_packet);
+	struct tevent_req *(*update_send)(TALLOC_CTX *mem_ctx,
+					  struct tevent_context *ev,
+					  struct gensec_security *gensec_security,
+					  const DATA_BLOB in);
+	NTSTATUS (*update_recv)(struct tevent_req *req,
+				TALLOC_CTX *out_mem_ctx,
+				DATA_BLOB *out);
+	NTSTATUS (*may_reset_crypto)(struct gensec_security *gensec_security,
+				     bool full_reset);
+	NTSTATUS (*seal_packet)(struct gensec_security *gensec_security, TALLOC_CTX *sig_mem_ctx,
+				uint8_t *data, size_t length,
+				const uint8_t *whole_pdu, size_t pdu_length,
+				DATA_BLOB *sig);
+	NTSTATUS (*sign_packet)(struct gensec_security *gensec_security, TALLOC_CTX *sig_mem_ctx,
+				const uint8_t *data, size_t length,
+				const uint8_t *whole_pdu, size_t pdu_length,
+				DATA_BLOB *sig);
+	size_t   (*sig_size)(struct gensec_security *gensec_security, size_t data_size);
+	size_t   (*max_input_size)(struct gensec_security *gensec_security);
+	size_t   (*max_wrapped_size)(struct gensec_security *gensec_security);
+	NTSTATUS (*check_packet)(struct gensec_security *gensec_security,
+				 const uint8_t *data, size_t length,
+				 const uint8_t *whole_pdu, size_t pdu_length,
+				 const DATA_BLOB *sig);
+	NTSTATUS (*unseal_packet)(struct gensec_security *gensec_security,
+				  uint8_t *data, size_t length,
+				  const uint8_t *whole_pdu, size_t pdu_length,
+				  const DATA_BLOB *sig);
+	NTSTATUS (*wrap)(struct gensec_security *gensec_security,
+				  TALLOC_CTX *mem_ctx,
+				  const DATA_BLOB *in,
+				  DATA_BLOB *out);
+	NTSTATUS (*unwrap)(struct gensec_security *gensec_security,
+			   TALLOC_CTX *mem_ctx,
+			   const DATA_BLOB *in,
+			   DATA_BLOB *out);
+	NTSTATUS (*session_key)(struct gensec_security *gensec_security, TALLOC_CTX *mem_ctx,
+				DATA_BLOB *session_key);
+	NTSTATUS (*session_info)(struct gensec_security *gensec_security, TALLOC_CTX *mem_ctx,
+				 struct auth_session_info **session_info);
+	void (*want_feature)(struct gensec_security *gensec_security,
+				    uint32_t feature);
+	bool (*have_feature)(struct gensec_security *gensec_security,
+				    uint32_t feature);
+	NTTIME (*expire_time)(struct gensec_security *gensec_security);
+	const char *(*final_auth_type)(struct gensec_security *gensec_security);
+	bool enabled;
+	bool kerberos;
+	enum gensec_priority priority;
+	bool glue;
+};
+
+struct gensec_security_ops_wrapper {
+	const struct gensec_security_ops *op;
+	const char *oid;
+};
+
+struct gensec_security {
+	const struct gensec_security_ops *ops;
+	void *private_data;
+	struct cli_credentials *credentials;
+	struct gensec_target target;
+	enum gensec_role gensec_role;
+	bool subcontext;
+	uint32_t want_features;
+	uint32_t max_update_size;
+	uint8_t dcerpc_auth_level;
+	struct tsocket_address *local_addr, *remote_addr;
+	struct gensec_settings *settings;
+
+	/* When we are a server, this may be filled in to provide an
+	 * NTLM authentication backend, and user lookup (such as if no
+	 * PAC is found) */
+	struct auth4_context *auth_context;
+
+	struct gensec_security *parent_security;
+	struct gensec_security *child_security;
+
+	/*
+	 * This is used to mark the context as being
+	 * busy in an async gensec_update_send().
+	 */
+	struct gensec_security **update_busy_ptr;
+};
+
+/* this structure is used by backends to determine the size of some critical types */
+struct gensec_critical_sizes {
+	int interface_version;
+	int sizeof_gensec_security_ops;
+	int sizeof_gensec_security;
+};
+
+NTSTATUS gensec_may_reset_crypto(struct gensec_security *gensec_security,
+				 bool full_reset);
+
+const char *gensec_final_auth_type(struct gensec_security *gensec_security);
+
+NTSTATUS gensec_child_ready(struct gensec_security *parent,
+			    struct gensec_security *child);
+void gensec_child_want_feature(struct gensec_security *gensec_security,
+			       uint32_t feature);
+bool gensec_child_have_feature(struct gensec_security *gensec_security,
+			       uint32_t feature);
+NTSTATUS gensec_child_unseal_packet(struct gensec_security *gensec_security,
+				    uint8_t *data, size_t length,
+				    const uint8_t *whole_pdu, size_t pdu_length,
+				    const DATA_BLOB *sig);
+NTSTATUS gensec_child_check_packet(struct gensec_security *gensec_security,
+				   const uint8_t *data, size_t length,
+				   const uint8_t *whole_pdu, size_t pdu_length,
+				   const DATA_BLOB *sig);
+NTSTATUS gensec_child_seal_packet(struct gensec_security *gensec_security,
+				  TALLOC_CTX *mem_ctx,
+				  uint8_t *data, size_t length,
+				  const uint8_t *whole_pdu, size_t pdu_length,
+				  DATA_BLOB *sig);
+NTSTATUS gensec_child_sign_packet(struct gensec_security *gensec_security,
+				  TALLOC_CTX *mem_ctx,
+				  const uint8_t *data, size_t length,
+				  const uint8_t *whole_pdu, size_t pdu_length,
+				  DATA_BLOB *sig);
+NTSTATUS gensec_child_wrap(struct gensec_security *gensec_security,
+			   TALLOC_CTX *mem_ctx,
+			   const DATA_BLOB *in,
+			   DATA_BLOB *out);
+NTSTATUS gensec_child_unwrap(struct gensec_security *gensec_security,
+			     TALLOC_CTX *mem_ctx,
+			     const DATA_BLOB *in,
+			     DATA_BLOB *out);
+size_t gensec_child_sig_size(struct gensec_security *gensec_security,
+			     size_t data_size);
+size_t gensec_child_max_input_size(struct gensec_security *gensec_security);
+size_t gensec_child_max_wrapped_size(struct gensec_security *gensec_security);
+NTSTATUS gensec_child_session_key(struct gensec_security *gensec_security,
+				  TALLOC_CTX *mem_ctx,
+				  DATA_BLOB *session_key);
+NTSTATUS gensec_child_session_info(struct gensec_security *gensec_security,
+				   TALLOC_CTX *mem_ctx,
+				   struct auth_session_info **session_info);
+NTTIME gensec_child_expire_time(struct gensec_security *gensec_security);
+const char *gensec_child_final_auth_type(struct gensec_security *gensec_security);
+
+#endif /* __GENSEC_H__ */