source3/winbindd/wb_getpwsid.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    async getpwsid
   4    Copyright (C) Volker Lendecke 2009
   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 3 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, see <http://www.gnu.org/licenses/>.
  18 */
  19
  20 #include "includes.h"
  21 #include "winbindd.h"
  22 #include "librpc/gen_ndr/ndr_winbind_c.h"
  23 #include "../libcli/security/security.h"
  24
  25 struct wb_getpwsid_state {
  26         struct tevent_context *ev;
  27         struct dom_sid sid;
  28         struct wbint_userinfo *userinfo;
  29         struct winbindd_pw *pw;
  30 };
  31
  32 static void wb_getpwsid_queryuser_done(struct tevent_req *subreq);
  33
  34 struct tevent_req *wb_getpwsid_send(TALLOC_CTX *mem_ctx,
  35                                     struct tevent_context *ev,
  36                                     const struct dom_sid *user_sid,
  37                                     struct winbindd_pw *pw)
  38 {
  39         struct tevent_req *req, *subreq;
  40         struct wb_getpwsid_state *state;
  41
  42         req = tevent_req_create(mem_ctx, &state, struct wb_getpwsid_state);
  43         if (req == NULL) {
  44                 return NULL;
  45         }
  46         sid_copy(&state->sid, user_sid);
  47         state->ev = ev;
  48         state->pw = pw;
  49
  50         subreq = wb_queryuser_send(state, ev, &state->sid);
  51         if (tevent_req_nomem(subreq, req)) {
  52                 return tevent_req_post(req, ev);
  53         }
  54         tevent_req_set_callback(subreq, wb_getpwsid_queryuser_done, req);
  55         return req;
  56 }
  57
  58 static void wb_getpwsid_queryuser_done(struct tevent_req *subreq)
  59 {
  60         struct tevent_req *req = tevent_req_callback_data(
  61                 subreq, struct tevent_req);
  62         struct wb_getpwsid_state *state = tevent_req_data(
  63                 req, struct wb_getpwsid_state);
  64         struct winbindd_pw *pw = state->pw;
  65         struct wbint_userinfo *info;
  66         fstring acct_name, output_username;
  67         char *tmp;
  68         NTSTATUS status;
  69
  70         status = wb_queryuser_recv(subreq, state, &state->userinfo);
  71         TALLOC_FREE(subreq);
  72         if (tevent_req_nterror(req, status)) {
  73                 return;
  74         }
  75         info = state->userinfo;
  76
  77         pw->pw_uid = info->uid;
  78         pw->pw_gid = info->primary_gid;
  79
  80         fstrcpy(acct_name, info->acct_name);
  81         if (!strlower_m(acct_name)) {
  82                 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
  83                 return;
  84         }
  85
  86         fill_domain_username(output_username, info->domain_name,
  87                              acct_name, true);
  88         strlcpy(pw->pw_name, output_username, sizeof(pw->pw_name));
  89
  90         strlcpy(pw->pw_gecos, info->full_name ? info->full_name : "",
  91                 sizeof(pw->pw_gecos));
  92
  93         tmp = talloc_sub_specified(
  94                 state, info->homedir, acct_name,
  95                 info->primary_group_name, info->domain_name,
  96                 pw->pw_uid, pw->pw_gid);
  97         if (tevent_req_nomem(tmp, req)) {
  98                 return;
  99         }
 100         strlcpy(pw->pw_dir, tmp, sizeof(pw->pw_dir));
 101         TALLOC_FREE(tmp);
 102
 103         tmp = talloc_sub_specified(
 104                 state, info->shell, info->acct_name,
 105                 info->primary_group_name, info->domain_name,
 106                 pw->pw_uid, pw->pw_gid);
 107         if (tevent_req_nomem(tmp, req)) {
 108                 return;
 109         }
 110         strlcpy(pw->pw_shell, tmp, sizeof(pw->pw_shell));
 111         TALLOC_FREE(tmp);
 112
 113         strlcpy(pw->pw_passwd, "*", sizeof(pw->pw_passwd));
 114
 115         tevent_req_done(req);
 116 }
 117
 118 NTSTATUS wb_getpwsid_recv(struct tevent_req *req)
 119 {
 120         return tevent_req_simple_recv_ntstatus(req);
 121 }