release/src/router/samba/source/passdb/passgrp.c

   1 /*
   2    Unix SMB/Netbios implementation.
   3    Version 1.9.
   4    Password and authentication handling
   5    Copyright (C) Jeremy Allison 1996-1998
   6    Copyright (C) Luke Kenneth Casson Leighton 1996-1998
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 2 of the License, or
  11    (at your option) any later version.
  12
  13    This program 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
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21 */
  22
  23 #include "includes.h"
  24 #include "nterr.h"
  25
  26 extern int DEBUGLEVEL;
  27
  28 /*
  29  * NOTE. All these functions are abstracted into a structure
  30  * that points to the correct function for the selected database. JRA.
  31  *
  32  * the API does NOT fill in the gaps if you set an API function
  33  * to NULL: it will deliberately attempt to call the NULL function.
  34  *
  35  */
  36
  37 static struct passgrp_ops *pwgrp_ops;
  38
  39 /***************************************************************
  40  Initialise the passgrp operations.
  41 ***************************************************************/
  42
  43 BOOL initialise_passgrp_db(void)
  44 {
  45   if (pwgrp_ops)
  46   {
  47     return True;
  48   }
  49
  50 #ifdef WITH_NISPLUS
  51   pwgrp_ops =  nisplus_initialise_password_grp();
  52 #elif defined(WITH_LDAP)
  53   pwgrp_ops = ldap_initialize_password_grp();
  54 #else
  55   pwgrp_ops = file_initialise_password_grp();
  56 #endif
  57
  58   return (pwgrp_ops != NULL);
  59 }
  60
  61 /*
  62  * Functions that return/manipulate a struct smb_passwd.
  63  */
  64
  65 /************************************************************************
  66  Utility function to search smb passwd by rid.
  67 *************************************************************************/
  68
  69 struct smb_passwd *iterate_getsmbgrprid(uint32 user_rid,
  70                 uint32 **grps, int *num_grps,
  71                 uint32 **alss, int *num_alss)
  72 {
  73         return iterate_getsmbgrpuid(pwdb_user_rid_to_uid(user_rid),
  74                                     grps, num_grps, alss, num_alss);
  75 }
  76
  77 /************************************************************************
  78  Utility function to search smb passwd by uid.  use this if your database
  79  does not have search facilities.
  80 *************************************************************************/
  81
  82 struct smb_passwd *iterate_getsmbgrpuid(uid_t smb_userid,
  83                 uint32 **grps, int *num_grps,
  84                 uint32 **alss, int *num_alss)
  85 {
  86         struct smb_passwd *pwd = NULL;
  87         void *fp = NULL;
  88
  89         DEBUG(10, ("search by smb_userid: %x\n", (int)smb_userid));
  90
  91         /* Open the smb password database - not for update. */
  92         fp = startsmbgrpent(False);
  93
  94         if (fp == NULL)
  95         {
  96                 DEBUG(0, ("unable to open smb passgrp database.\n"));
  97                 return NULL;
  98         }
  99
 100         while ((pwd = getsmbgrpent(fp, grps, num_grps, alss, num_alss)) != NULL && pwd->smb_userid != smb_userid)
 101       ;
 102
 103         if (pwd != NULL)
 104         {
 105                 DEBUG(10, ("found by smb_userid: %x\n", (int)smb_userid));
 106         }
 107
 108         endsmbgrpent(fp);
 109         return pwd;
 110 }
 111
 112 /************************************************************************
 113  Utility function to search smb passwd by name.  use this if your database
 114  does not have search facilities.
 115 *************************************************************************/
 116
 117 struct smb_passwd *iterate_getsmbgrpnam(char *name,
 118                 uint32 **grps, int *num_grps,
 119                 uint32 **alss, int *num_alss)
 120 {
 121         struct smb_passwd *pwd = NULL;
 122         void *fp = NULL;
 123
 124         DEBUG(10, ("search by name: %s\n", name));
 125
 126         /* Open the passgrp file - not for update. */
 127         fp = startsmbgrpent(False);
 128
 129         if (fp == NULL)
 130         {
 131                 DEBUG(0, ("unable to open smb passgrp database.\n"));
 132                 return NULL;
 133         }
 134
 135         while ((pwd = getsmbgrpent(fp, grps, num_grps, alss, num_alss)) != NULL && !strequal(pwd->smb_name, name))
 136       ;
 137
 138         if (pwd != NULL)
 139         {
 140                 DEBUG(10, ("found by name: %s\n", name));
 141         }
 142
 143         endsmbgrpent(fp);
 144         return pwd;
 145 }
 146
 147 /***************************************************************
 148  Start to enumerate the smb or sam passwd list. Returns a void pointer
 149  to ensure no modification outside this module.
 150
 151  Note that currently it is being assumed that a pointer returned
 152  from this function may be used to enumerate struct sam_passwd
 153  entries as well as struct smb_passwd entries. This may need
 154  to change. JRA.
 155
 156 ****************************************************************/
 157
 158 void *startsmbgrpent(BOOL update)
 159 {
 160   return pwgrp_ops->startsmbgrpent(update);
 161 }
 162
 163 /***************************************************************
 164  End enumeration of the smb or sam passwd list.
 165
 166  Note that currently it is being assumed that a pointer returned
 167  from this function may be used to enumerate struct sam_passwd
 168  entries as well as struct smb_passwd entries. This may need
 169  to change. JRA.
 170
 171 ****************************************************************/
 172
 173 void endsmbgrpent(void *vp)
 174 {
 175   pwgrp_ops->endsmbgrpent(vp);
 176 }
 177
 178 /*************************************************************************
 179  Routine to return the next entry in the smb passwd list.
 180  *************************************************************************/
 181
 182 struct smb_passwd *getsmbgrpent(void *vp,
 183                 uint32 **grps, int *num_grps,
 184                 uint32 **alss, int *num_alss)
 185 {
 186         return pwgrp_ops->getsmbgrpent(vp, grps, num_grps, alss, num_alss);
 187 }
 188
 189 /************************************************************************
 190  Routine to search smb passwd by name.
 191 *************************************************************************/
 192
 193 struct smb_passwd *getsmbgrpnam(char *name,
 194                 uint32 **grps, int *num_grps,
 195                 uint32 **alss, int *num_alss)
 196 {
 197         return pwgrp_ops->getsmbgrpnam(name, grps, num_grps, alss, num_alss);
 198 }
 199
 200 /************************************************************************
 201  Routine to search smb passwd by user rid.
 202 *************************************************************************/
 203
 204 struct smb_passwd *getsmbgrprid(uint32 user_rid,
 205                 uint32 **grps, int *num_grps,
 206                 uint32 **alss, int *num_alss)
 207 {
 208         return pwgrp_ops->getsmbgrprid(user_rid, grps, num_grps, alss, num_alss);
 209 }
 210
 211 /************************************************************************
 212  Routine to search smb passwd by uid.
 213 *************************************************************************/
 214
 215 struct smb_passwd *getsmbgrpuid(uid_t smb_userid,
 216                 uint32 **grps, int *num_grps,
 217                 uint32 **alss, int *num_alss)
 218 {
 219         return pwgrp_ops->getsmbgrpuid(smb_userid, grps, num_grps, alss, num_alss);
 220 }
 221