source/nsswitch/winbindd.h

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    Winbind daemon for ntdom nss module
   5
   6    Copyright (C) Tim Potter 2000
   7
   8    This library is free software; you can redistribute it and/or
   9    modify it under the terms of the GNU Library General Public
  10    License as published by the Free Software Foundation; either
  11    version 2 of the License, or (at your option) any later version.
  12
  13    This library is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16    Library General Public License for more details.
  17
  18    You should have received a copy of the GNU Library General Public
  19    License along with this library; if not, write to the
  20    Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  21    Boston, MA  02111-1307, USA.
  22 */
  23
  24 #ifndef _WINBINDD_H
  25 #define _WINBINDD_H
  26
  27 #include "includes.h"
  28 #include "nterr.h"
  29
  30 #include "winbindd_nss.h"
  31
  32 #undef DBGC_CLASS
  33 #define DBGC_CLASS DBGC_WINBIND
  34
  35 /* Client state structure */
  36
  37 struct winbindd_cli_state {
  38     struct winbindd_cli_state *prev, *next;   /* Linked list pointers */
  39     int sock;                                 /* Open socket from client */
  40     pid_t pid;                                /* pid of client */
  41     int read_buf_len, write_buf_len;          /* Indexes in request/response */
  42     BOOL finished;                            /* Can delete from list */
  43     BOOL write_extra_data;                    /* Write extra_data field */
  44     struct winbindd_request request;          /* Request from client */
  45     struct winbindd_response response;        /* Respose to client */
  46     struct getent_state *getpwent_state;      /* State for getpwent() */
  47     struct getent_state *getgrent_state;      /* State for getgrent() */
  48 };
  49
  50 /* State between get{pw,gr}ent() calls */
  51
  52 struct getent_state {
  53         struct getent_state *prev, *next;
  54         void *sam_entries;
  55         uint32 sam_entry_index, num_sam_entries;
  56         BOOL got_sam_entries;
  57         fstring domain_name;
  58 };
  59
  60 /* Storage for cached getpwent() user entries */
  61
  62 struct getpwent_user {
  63         fstring name;                        /* Account name */
  64         fstring gecos;                       /* User information */
  65         uint32 user_rid, group_rid;          /* NT user and group rids */
  66 };
  67
  68 /* Server state structure */
  69
  70 struct winbindd_state {
  71
  72         /* User and group id pool */
  73
  74         uid_t uid_low, uid_high;               /* Range of uids to allocate */
  75         gid_t gid_low, gid_high;               /* Range of gids to allocate */
  76 };
  77
  78 extern struct winbindd_state server_state;  /* Server information */
  79
  80 typedef struct {
  81         char *acct_name;
  82         char *full_name;
  83         uint32 user_rid;
  84         uint32 group_rid; /* primary group */
  85 } WINBIND_USERINFO;
  86
  87 /* Structures to hold per domain information */
  88
  89 struct winbindd_domain {
  90         fstring name;                          /* Domain name */
  91         fstring alt_name;                      /* alt Domain name (if any) */
  92         DOM_SID sid;                           /* SID for this domain */
  93         BOOL native_mode;                      /* is this a win2k domain in native mode ? */
  94
  95         /* Lookup methods for this domain (LDAP or RPC) */
  96
  97         struct winbindd_methods *methods;
  98
  99         /* Private data for the backends (used for connection cache) */
 100
 101         void *private;
 102
 103         /* Sequence number stuff */
 104
 105         time_t last_seq_check;
 106         uint32 sequence_number;
 107
 108         /* Linked list info */
 109
 110         struct winbindd_domain *prev, *next;
 111 };
 112
 113 /* per-domain methods. This is how LDAP vs RPC is selected
 114  */
 115 struct winbindd_methods {
 116         /* does this backend provide a consistent view of the data? (ie. is the primary group
 117            always correct) */
 118         BOOL consistent;
 119
 120         /* get a list of users, returning a WINBIND_USERINFO for each one */
 121         NTSTATUS (*query_user_list)(struct winbindd_domain *domain,
 122                                    TALLOC_CTX *mem_ctx,
 123                                    uint32 *num_entries,
 124                                    WINBIND_USERINFO **info);
 125
 126         /* get a list of domain groups */
 127         NTSTATUS (*enum_dom_groups)(struct winbindd_domain *domain,
 128                                     TALLOC_CTX *mem_ctx,
 129                                     uint32 *num_entries,
 130                                     struct acct_info **info);
 131
 132         /* get a list of domain local groups */
 133         NTSTATUS (*enum_local_groups)(struct winbindd_domain *domain,
 134                                     TALLOC_CTX *mem_ctx,
 135                                     uint32 *num_entries,
 136                                     struct acct_info **info);
 137
 138         /* convert one user or group name to a sid */
 139         NTSTATUS (*name_to_sid)(struct winbindd_domain *domain,
 140                                 const char *name,
 141                                 DOM_SID *sid,
 142                                 enum SID_NAME_USE *type);
 143
 144         /* convert a sid to a user or group name */
 145         NTSTATUS (*sid_to_name)(struct winbindd_domain *domain,
 146                                 TALLOC_CTX *mem_ctx,
 147                                 DOM_SID *sid,
 148                                 char **name,
 149                                 enum SID_NAME_USE *type);
 150
 151         /* lookup user info for a given rid */
 152         NTSTATUS (*query_user)(struct winbindd_domain *domain,
 153                                TALLOC_CTX *mem_ctx,
 154                                uint32 user_rid,
 155                                WINBIND_USERINFO *user_info);
 156
 157         /* lookup all groups that a user is a member of. The backend
 158            can also choose to lookup by username or rid for this
 159            function */
 160         NTSTATUS (*lookup_usergroups)(struct winbindd_domain *domain,
 161                                       TALLOC_CTX *mem_ctx,
 162                                       uint32 user_rid,
 163                                       uint32 *num_groups, uint32 **user_gids);
 164
 165         /* find all members of the group with the specified group_rid */
 166         NTSTATUS (*lookup_groupmem)(struct winbindd_domain *domain,
 167                                     TALLOC_CTX *mem_ctx,
 168                                     uint32 group_rid, uint32 *num_names,
 169                                     uint32 **rid_mem, char ***names,
 170                                     uint32 **name_types);
 171
 172         /* return the current global sequence number */
 173         NTSTATUS (*sequence_number)(struct winbindd_domain *domain, uint32 *seq);
 174
 175         /* enumerate trusted domains */
 176         NTSTATUS (*trusted_domains)(struct winbindd_domain *domain,
 177                                     TALLOC_CTX *mem_ctx,
 178                                     uint32 *num_domains,
 179                                     char ***names,
 180                                     char ***alt_names,
 181                                     DOM_SID **dom_sids);
 182
 183         /* find the domain sid */
 184         NTSTATUS (*domain_sid)(struct winbindd_domain *domain,
 185                                DOM_SID *sid);
 186
 187         /* setup the list of alternate names for the domain, if any */
 188         NTSTATUS (*alternate_name)(struct winbindd_domain *domain);
 189 };
 190
 191 /* Used to glue a policy handle and cli_state together */
 192
 193 typedef struct {
 194         struct cli_state *cli;
 195         POLICY_HND pol;
 196 } CLI_POLICY_HND;
 197
 198 #include "winbindd_proto.h"
 199
 200 #include "rpc_parse.h"
 201 #include "rpc_client.h"
 202
 203 #define WINBINDD_ESTABLISH_LOOP 30
 204 #define WINBINDD_RESCAN_FREQ 300
 205
 206 #define DOM_SEQUENCE_NONE ((uint32)-1)
 207
 208 #endif /* _WINBINDD_H */