source/nsswitch/nss_info.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    nss info helpers
   4    Copyright (C) Guenther Deschner 2006
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 2 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program; if not, write to the Free Software
  18    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.*/
  19
  20 #include "includes.h"
  21
  22 #undef DBGC_CLASS
  23 #define DBGC_CLASS DBGC_IDMAP
  24
  25 static enum wb_posix_mapping wb_posix_map_type(const char *map_str)
  26 {
  27         if (strequal(map_str, "template"))
  28                 return WB_POSIX_MAP_TEMPLATE;
  29         else if (strequal(map_str, "sfu"))
  30                 return WB_POSIX_MAP_SFU;
  31         else if (strequal(map_str, "rfc2307"))
  32                 return WB_POSIX_MAP_RFC2307;
  33         else if (strequal(map_str, "unixinfo"))
  34                 return WB_POSIX_MAP_UNIXINFO;
  35
  36         return WB_POSIX_MAP_UNKNOWN;
  37 }
  38
  39 /* winbind nss info = rfc2307 SO36:sfu FHAIN:rfc2307 PANKOW:template
  40  *
  41  * syntax is:
  42  *      1st param: default setting
  43  *      following ":" separated list elements:
  44  *              DOMAIN:setting
  45  *      setting can be one of "sfu", "rfc2307", "template", "unixinfo"
  46  */
  47
  48 enum wb_posix_mapping get_nss_info(const char *domain_name)
  49 {
  50         const char **list = lp_winbind_nss_info();
  51         enum wb_posix_mapping map_templ = WB_POSIX_MAP_TEMPLATE;
  52         int i;
  53
  54         DEBUG(11,("get_nss_info for %s\n", domain_name));
  55
  56         if (!lp_winbind_nss_info() || !*lp_winbind_nss_info()) {
  57                 return WB_POSIX_MAP_TEMPLATE;
  58         }
  59
  60         if ((map_templ = wb_posix_map_type(list[0])) == WB_POSIX_MAP_UNKNOWN) {
  61                 DEBUG(0,("get_nss_info: invalid setting: %s\n", list[0]));
  62                 return WB_POSIX_MAP_TEMPLATE;
  63         }
  64
  65         DEBUG(11,("get_nss_info: using \"%s\" by default\n", list[0]));
  66
  67         for (i=0; list[i]; i++) {
  68
  69                 const char *p = list[i];
  70                 fstring tok;
  71
  72                 if (!next_token(&p, tok, ":", sizeof(tok))) {
  73                         DEBUG(0,("get_nss_info: no \":\" delimitier found\n"));
  74                         continue;
  75                 }
  76
  77                 if (strequal(tok, domain_name)) {
  78
  79                         enum wb_posix_mapping type;
  80
  81                         if ((type = wb_posix_map_type(p)) == WB_POSIX_MAP_UNKNOWN) {
  82                                 DEBUG(0,("get_nss_info: invalid setting: %s\n", p));
  83                                 /* return WB_POSIX_MAP_TEMPLATE; */
  84                                 continue;
  85                         }
  86
  87                         DEBUG(11,("get_nss_info: using \"%s\" for domain: %s\n", p, tok));
  88
  89                         return type;
  90                 }
  91         }
  92
  93         return map_templ;
  94 }
  95
  96 const char *wb_posix_map_str(enum wb_posix_mapping mtype)
  97 {
  98         switch (mtype) {
  99                 case WB_POSIX_MAP_TEMPLATE:
 100                         return "template";
 101                 case WB_POSIX_MAP_SFU:
 102                         return "sfu";
 103                 case WB_POSIX_MAP_RFC2307:
 104                         return "rfc2307";
 105                 case WB_POSIX_MAP_UNIXINFO:
 106                         return "unixinfo";
 107                 default:
 108                         break;
 109         }
 110         return NULL;
 111 }