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Diffstat (limited to 'source4/auth/auth.h')
-rw-r--r-- | source4/auth/auth.h | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/source4/auth/auth.h b/source4/auth/auth.h new file mode 100644 index 0000000000..dc12d8196f --- /dev/null +++ b/source4/auth/auth.h @@ -0,0 +1,175 @@ +/* + Unix SMB/CIFS implementation. + Standardised Authentication types + Copyright (C) Andrew Bartlett 2001 + + 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 2 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, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#ifndef _SAMBA_AUTH_H +#define _SAMBA_AUTH_H + +/* modules can use the following to determine if the interface has changed + * please increment the version number after each interface change + * with a comment and maybe update struct auth_critical_sizes. + */ +/* version 1 - version from samba 3.0 - metze */ +/* version 2 - initial samba4 version - metze */ +#define AUTH_INTERFACE_VERSION 2 + +/* AUTH_STR - string */ +typedef struct auth_str +{ + int len; + char *str; +} AUTH_STR; + +/* AUTH_UNISTR - unicode string or buffer */ +typedef struct auth_unistr +{ + int len; + uchar *unistr; +} AUTH_UNISTR; + +#define AUTH_FLAG_NONE 0x000000 +#define AUTH_FLAG_PLAINTEXT 0x000001 +#define AUTH_FLAG_LM_RESP 0x000002 +#define AUTH_FLAG_NTLM_RESP 0x000004 +#define AUTH_FLAG_NTLMv2_RESP 0x000008 + +typedef struct auth_usersupplied_info +{ + DATA_BLOB lm_resp; + DATA_BLOB nt_resp; + DATA_BLOB plaintext_password; + + BOOL encrypted; + + uint32 auth_flags; + + AUTH_STR client_domain; /* domain name string */ + AUTH_STR domain; /* domain name after mapping */ + AUTH_STR internal_username; /* username after mapping */ + AUTH_STR smb_name; /* username before mapping */ + AUTH_STR wksta_name; /* workstation name (netbios calling name) unicode string */ +} auth_usersupplied_info; + +#define SAM_FILL_NAME 0x01 +#define SAM_FILL_INFO3 0x02 +#define SAM_FILL_SAM 0x04 +#define SAM_FILL_UNIX 0x08 +#define SAM_FILL_ALL (SAM_FILL_NAME | SAM_FILL_INFO3 | SAM_FILL_SAM | SAM_FILL_UNIX) + +typedef struct auth_serversupplied_info +{ + BOOL guest; + + /* This groups info is needed for when we become_user() for this uid */ + int n_groups; + gid_t *groups; + + /* NT group information taken from the info3 structure */ + + NT_USER_TOKEN *ptok; + + uint8 session_key[16]; + uint8 first_8_lm_hash[8]; + DATA_BLOB nt_session_key; + DATA_BLOB lm_session_key; + + uint32 sam_fill_level; /* How far is this structure filled? */ + + SAM_ACCOUNT *sam_account; + + void *pam_handle; +} auth_serversupplied_info; + +struct auth_context { + DATA_BLOB challenge; + + /* Who set this up in the first place? */ + const char *challenge_set_by; + + BOOL challenge_may_be_modified; + + struct auth_methods *challenge_set_method; + /* What order are the various methods in? Try to stop it changing under us */ + struct auth_methods *auth_method_list; + + TALLOC_CTX *mem_ctx; + const uint8 *(*get_ntlm_challenge)(struct auth_context *auth_context); + NTSTATUS (*check_ntlm_password)(const struct auth_context *auth_context, + const struct auth_usersupplied_info *user_info, + struct auth_serversupplied_info **server_info); + NTSTATUS (*nt_status_squash)(NTSTATUS nt_status); + void (*free)(struct auth_context **auth_context); +}; + +typedef struct auth_methods +{ + struct auth_methods *prev, *next; + const char *name; /* What name got this module */ + + NTSTATUS (*auth)(const struct auth_context *auth_context, + void *my_private_data, + TALLOC_CTX *mem_ctx, + const struct auth_usersupplied_info *user_info, + struct auth_serversupplied_info **server_info); + + DATA_BLOB (*get_chal)(const struct auth_context *auth_context, + void **my_private_data, + TALLOC_CTX *mem_ctx); + + /* Used to keep tabs on things like the cli for SMB server authentication */ + void *private_data; + + /* Function to clean up the above arbitary structure */ + void (*free_private_data)(void **private_data); + + /* Function to send a keepalive message on the above structure */ + void (*send_keepalive)(void **private_data); +} auth_methods; + +typedef struct auth_ntlmssp_state +{ + TALLOC_CTX *mem_ctx; + struct auth_context *auth_context; + struct auth_serversupplied_info *server_info; + struct ntlmssp_state *ntlmssp_state; +} AUTH_NTLMSSP_STATE; + +#define auth_ops __XXX_ERROR_BLA +struct auth_operations { + /* the name of the backend */ + const char *name; + + /* Function to create a member of the authmethods list */ + NTSTATUS (*init)(struct auth_context *, const char *, struct auth_methods **); +}; + +/* this structure is used by backends to determine the size of some critical types */ +struct auth_critical_sizes { + int interface_version; + int sizeof_auth_operations; + int sizeof_auth_methods; + int sizeof_auth_context; + int sizeof_auth_ntlmssp_state; + int sizeof_auth_usersupplied_info; + int sizeof_auth_serversupplied_info; + int sizeof_auth_str; + int sizeof_auth_unistr; +}; + +#endif /* _SAMBA_AUTH_H */ |