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93665a132d
- Add the concept of a 'subcontext' into gensec, so that the spengo
code doesn't have to figure out how to make one.
(A subcontext inherits the username, domain, password (or callback)
from the main context).
- Add comments to some other routines, and explain a bit about what
the various 'start' functions are for.
Andrew Bartlett
(This used to be commit 7aedbfbdd9)
87 lines
3.0 KiB
C
87 lines
3.0 KiB
C
/*
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Unix SMB/CIFS implementation.
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Generic Authentication Interface
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Copyright (C) Andrew Tridgell 2003
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Copyright (C) Andrew Bartlett <abartlet@samba.org> 2004
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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struct gensec_security;
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struct gensec_user {
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const char *domain;
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const char *name;
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const char *password;
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char schan_session_key[16];
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};
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/* GENSEC mode */
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enum gensec_role
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{
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GENSEC_SERVER,
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GENSEC_CLIENT
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};
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struct gensec_security_ops {
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const char *name;
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const char *sasl_name;
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uint8 auth_type; /* 0 if not offered on DCE-RPC */
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const char *oid; /* NULL if not offered by SPENGO */
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NTSTATUS (*client_start)(struct gensec_security *gensec_security);
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NTSTATUS (*server_start)(struct gensec_security *gensec_security);
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NTSTATUS (*update)(struct gensec_security *gensec_security, TALLOC_CTX *out_mem_ctx,
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const DATA_BLOB in, DATA_BLOB *out);
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NTSTATUS (*seal_packet)(struct gensec_security *gensec_security, TALLOC_CTX *sig_mem_ctx,
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uint8_t *data, size_t length, DATA_BLOB *sig);
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NTSTATUS (*sign_packet)(struct gensec_security *gensec_security, TALLOC_CTX *sig_mem_ctx,
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const uint8_t *data, size_t length, DATA_BLOB *sig);
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NTSTATUS (*check_packet)(struct gensec_security *gensec_security, TALLOC_CTX *sig_mem_ctx,
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const uint8_t *data, size_t length, const DATA_BLOB *sig);
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NTSTATUS (*unseal_packet)(struct gensec_security *gensec_security, TALLOC_CTX *sig_mem_ctx,
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uint8_t *data, size_t length, DATA_BLOB *sig);
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NTSTATUS (*session_key)(struct gensec_security *gensec_security, DATA_BLOB *session_key);
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NTSTATUS (*session_info)(struct gensec_security *gensec_security,
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struct auth_session_info **session_info);
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void (*end)(struct gensec_security *gensec_security);
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};
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typedef NTSTATUS (*gensec_password_callback)(struct gensec_security *gensec_security, TALLOC_CTX *mem_ctx,
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char **password);
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#define GENSEC_INTERFACE_VERSION 0
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struct gensec_security {
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TALLOC_CTX *mem_ctx;
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gensec_password_callback password_callback;
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void *password_callback_private;
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const struct gensec_security_ops *ops;
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void *private_data;
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struct gensec_user user;
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enum gensec_role gensec_role;
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BOOL subcontext;
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};
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/* this structure is used by backends to determine the size of some critical types */
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struct gensec_critical_sizes {
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int interface_version;
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int sizeof_gensec_security_ops;
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int sizeof_gensec_security;
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};
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