release/src/router/libnfsidmap/nfsidmap_internal.h

   1 /*
   2  *  nfsidmap_internal.h
   3  *
   4  *  nfs idmapping library, primarily for nfs4 client/server kernel idmapping
   5  *  and for userland nfs4 idmapping by acl libraries.
   6  *
   7  *  Copyright (c) 2004 The Regents of the University of Michigan.
   8  *  All rights reserved.
   9  *
  10  *  Andy Adamson <andros@umich.edu>
  11  *
  12  *  Redistribution and use in source and binary forms, with or without
  13  *  modification, are permitted provided that the following conditions
  14  *  are met:
  15  *
  16  *  1. Redistributions of source code must retain the above copyright
  17  *     notice, this list of conditions and the following disclaimer.
  18  *  2. Redistributions in binary form must reproduce the above copyright
  19  *     notice, this list of conditions and the following disclaimer in the
  20  *     documentation and/or other materials provided with the distribution.
  21  *  3. Neither the name of the University nor the names of its
  22  *     contributors may be used to endorse or promote products derived
  23  *     from this software without specific prior written permission.
  24  *
  25  *  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
  26  *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  27  *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  28  *  DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  29  *  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  30  *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  31  *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
  32  *  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  33  *  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  34  *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  35  *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  36  */
  37
  38 char *get_default_domain(void);
  39 struct conf_list *get_local_realms(void);
  40
  41 typedef struct trans_func * (*libnfsidmap_plugin_init_t)(void);
  42
  43 struct trans_func {
  44         char *name;
  45         int (*init)(void);
  46         int (*princ_to_ids)(char *secname, char *princ, uid_t *uid, gid_t *gid,
  47                 extra_mapping_params **ex);
  48         int (*name_to_uid)(char *name, uid_t *uid);
  49         int (*name_to_gid)(char *name, gid_t *gid);
  50         int (*uid_to_name)(uid_t uid, char *domain, char *name, size_t len);
  51         int (*gid_to_name)(gid_t gid, char *domain, char *name, size_t len);
  52         int (*gss_princ_to_grouplist)(char *secname, char *princ, gid_t *groups,
  53                 int *ngroups, extra_mapping_params **ex);
  54 };
  55
  56 struct mapping_plugin {
  57         void *dl_handle;
  58         struct trans_func *trans;
  59 };
  60
  61 typedef enum {
  62         IDTYPE_USER = 1,
  63         IDTYPE_GROUP = 2
  64 } idtypes;
  65
  66 extern int idmap_verbosity;
  67 extern nfs4_idmap_log_function_t idmap_log_func;
  68 /* Level zero always prints, others print depending on verbosity level */
  69 #define IDMAP_LOG(LVL, MSG) \
  70         do { if (LVL <= idmap_verbosity) (*idmap_log_func)MSG; } while (0)