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/*
Unix SMB/CIFS implementation.
Winbind daemon for ntdom nss module
Copyright (C) Tim Potter 2000
Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2003
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#ifndef _WINBINDD_H
#define _WINBINDD_H
#include "nterr.h"
#include "winbindd_nss.h"
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_WINBIND
/* Client state structure */
struct winbindd_cli_state {
struct winbindd_cli_state *prev, *next; /* Linked list pointers */
int sock; /* Open socket from client */
pid_t pid; /* pid of client */
int read_buf_len, write_buf_len; /* Indexes in request/response */
BOOL finished; /* Can delete from list */
BOOL write_extra_data; /* Write extra_data field */
time_t last_access; /* Time of last access (read or write) */
BOOL privileged; /* Is the client 'privileged' */
struct winbindd_request request; /* Request from client */
struct winbindd_response response; /* Respose to client */
BOOL getpwent_initialized; /* Has getpwent_state been initialized? */
BOOL getgrent_initialized; /* Has getgrent_state been initialized? */
struct getent_state *getpwent_state; /* State for getpwent() */
struct getent_state *getgrent_state; /* State for getgrent() */
};
/* State between get{pw,gr}ent() calls */
struct getent_state {
struct getent_state *prev, *next;
void *sam_entries;
uint32 sam_entry_index, num_sam_entries;
BOOL got_sam_entries;
fstring domain_name;
};
/* Storage for cached getpwent() user entries */
struct getpwent_user {
fstring name; /* Account name */
fstring gecos; /* User information */
DOM_SID user_sid; /* NT user and primary group SIDs */
DOM_SID group_sid;
};
/* Server state structure */
struct winbindd_state {
/* User and group id pool */
uid_t uid_low, uid_high; /* Range of uids to allocate */
gid_t gid_low, gid_high; /* Range of gids to allocate */
};
extern struct winbindd_state server_state; /* Server information */
typedef struct {
char *acct_name;
char *full_name;
DOM_SID *user_sid; /* NT user and primary group SIDs */
DOM_SID *group_sid;
} WINBIND_USERINFO;
/* Structures to hold per domain information */
struct winbindd_domain {
fstring name; /* Domain name */
fstring alt_name; /* alt Domain name (if any) */
DOM_SID sid; /* SID for this domain */
BOOL initialized; /* Did we already ask for the domain mode? */
BOOL native_mode; /* is this a win2k domain in native mode ? */
BOOL active_directory; /* is this a win2k active directory ? */
BOOL primary; /* is this our primary domain ? */
BOOL internal; /* BUILTIN and member SAM */
/* Lookup methods for this domain (LDAP or RPC) */
struct winbindd_methods *methods;
/* the backend methods are used by the cache layer to find the right
backend */
struct winbindd_methods *backend;
/* Private data for the backends (used for connection cache) */
void *private;
/* A working DC */
fstring dcname;
struct sockaddr_in dcaddr;
/* Sequence number stuff */
time_t last_seq_check;
uint32 sequence_number;
NTSTATUS last_status;
/* Linked list info */
struct winbindd_domain *prev, *next;
};
/* per-domain methods. This is how LDAP vs RPC is selected
*/
struct winbindd_methods {
/* does this backend provide a consistent view of the data? (ie. is the primary group
always correct) */
BOOL consistent;
/* get a list of users, returning a WINBIND_USERINFO for each one */
NTSTATUS (*query_user_list)(struct winbindd_domain *domain,
TALLOC_CTX *mem_ctx,
uint32 *num_entries,
WINBIND_USERINFO **info);
/* get a list of domain groups */
NTSTATUS (*enum_dom_groups)(struct winbindd_domain *domain,
TALLOC_CTX *mem_ctx,
uint32 *num_entries,
struct acct_info **info);
/* get a list of domain local groups */
NTSTATUS (*enum_local_groups)(struct winbindd_domain *domain,
TALLOC_CTX *mem_ctx,
uint32 *num_entries,
struct acct_info **info);
/* convert one user or group name to a sid */
NTSTATUS (*name_to_sid)(struct winbindd_domain *domain,
TALLOC_CTX *mem_ctx,
const char *domain_name,
const char *name,
DOM_SID *sid,
enum SID_NAME_USE *type);
/* convert a sid to a user or group name */
NTSTATUS (*sid_to_name)(struct winbindd_domain *domain,
TALLOC_CTX *mem_ctx,
const DOM_SID *sid,
char **domain_name,
char **name,
enum SID_NAME_USE *type);
/* lookup user info for a given SID */
NTSTATUS (*query_user)(struct winbindd_domain *domain,
TALLOC_CTX *mem_ctx,
const DOM_SID *user_sid,
WINBIND_USERINFO *user_info);
/* lookup all groups that a user is a member of. The backend
can also choose to lookup by username or rid for this
function */
NTSTATUS (*lookup_usergroups)(struct winbindd_domain *domain,
TALLOC_CTX *mem_ctx,
const DOM_SID *user_sid,
uint32 *num_groups, DOM_SID ***user_gids);
/* Lookup all aliases that the sids delivered are member of. This is
* to implement 'domain local groups' correctly */
NTSTATUS (*lookup_useraliases)(struct winbindd_domain *domain,
TALLOC_CTX *mem_ctx,
uint32 num_sids, DOM_SID **sids,
uint32 *num_aliases,
uint32 **alias_rids);
/* find all members of the group with the specified group_rid */
NTSTATUS (*lookup_groupmem)(struct winbindd_domain *domain,
TALLOC_CTX *mem_ctx,
const DOM_SID *group_sid,
uint32 *num_names,
DOM_SID ***sid_mem, char ***names,
uint32 **name_types);
/* return the current global sequence number */
NTSTATUS (*sequence_number)(struct winbindd_domain *domain, uint32 *seq);
/* enumerate trusted domains */
NTSTATUS (*trusted_domains)(struct winbindd_domain *domain,
TALLOC_CTX *mem_ctx,
uint32 *num_domains,
char ***names,
char ***alt_names,
DOM_SID **dom_sids);
/* setup the list of alternate names for the domain, if any */
NTSTATUS (*alternate_name)(struct winbindd_domain *domain);
};
/* Used to glue a policy handle and cli_state together */
typedef struct {
struct cli_state *cli;
POLICY_HND pol;
} CLI_POLICY_HND;
/* Filled out by IDMAP backends */
struct winbindd_idmap_methods {
/* Called when backend is first loaded */
BOOL (*init)(void);
BOOL (*get_sid_from_uid)(uid_t uid, DOM_SID *sid);
BOOL (*get_sid_from_gid)(gid_t gid, DOM_SID *sid);
BOOL (*get_uid_from_sid)(DOM_SID *sid, uid_t *uid);
BOOL (*get_gid_from_sid)(DOM_SID *sid, gid_t *gid);
/* Called when backend is unloaded */
BOOL (*close)(void);
/* Called to dump backend status */
void (*status)(void);
};
#include "nsswitch/winbindd_proto.h"
#include "rpc_parse.h"
#define WINBINDD_ESTABLISH_LOOP 30
#define WINBINDD_RESCAN_FREQ 300
#define DOM_SEQUENCE_NONE ((uint32)-1)
#endif /* _WINBINDD_H */
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