source3/winbindd/wb_fill_pwent.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    async fill_pwent
   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/cli_wbint.h"
  23
  24 struct wb_fill_pwent_state {
  25         struct tevent_context *ev;
  26         struct wbint_userinfo *info;
  27         struct winbindd_pw *pw;
  28 };
  29
  30 static void wb_fill_pwent_sid2uid_done(struct tevent_req *subreq);
  31 static void wb_fill_pwent_sid2gid_done(struct tevent_req *subreq);
  32
  33 struct tevent_req *wb_fill_pwent_send(TALLOC_CTX *mem_ctx,
  34                                       struct tevent_context *ev,
  35                                       struct wbint_userinfo *info,
  36                                       struct winbindd_pw *pw)
  37 {
  38         struct tevent_req *req, *subreq;
  39         struct wb_fill_pwent_state *state;
  40
  41         req = tevent_req_create(mem_ctx, &state, struct wb_fill_pwent_state);
  42         if (req == NULL) {
  43                 return NULL;
  44         }
  45         state->ev = ev;
  46         state->info = info;
  47         state->pw = pw;
  48
  49         subreq = wb_sid2uid_send(state, state->ev, &state->info->user_sid);
  50         if (tevent_req_nomem(subreq, req)) {
  51                 return tevent_req_post(req, ev);
  52         }
  53         tevent_req_set_callback(subreq, wb_fill_pwent_sid2uid_done, req);
  54         return req;
  55 }
  56
  57 static void wb_fill_pwent_sid2uid_done(struct tevent_req *subreq)
  58 {
  59         struct tevent_req *req = tevent_req_callback_data(
  60                 subreq, struct tevent_req);
  61         struct wb_fill_pwent_state *state = tevent_req_data(
  62                 req, struct wb_fill_pwent_state);
  63         NTSTATUS status;
  64
  65         status = wb_sid2uid_recv(subreq, &state->pw->pw_uid);
  66         TALLOC_FREE(subreq);
  67         if (!NT_STATUS_IS_OK(status)) {
  68                 tevent_req_nterror(req, status);
  69                 return;
  70         }
  71
  72         subreq = wb_sid2gid_send(state, state->ev, &state->info->group_sid);
  73         if (tevent_req_nomem(subreq, req)) {
  74                 return;
  75         }
  76         tevent_req_set_callback(subreq, wb_fill_pwent_sid2gid_done, req);
  77 }
  78
  79 static void wb_fill_pwent_sid2gid_done(struct tevent_req *subreq)
  80 {
  81         struct tevent_req *req = tevent_req_callback_data(
  82                 subreq, struct tevent_req);
  83         struct wb_fill_pwent_state *state = tevent_req_data(
  84                 req, struct wb_fill_pwent_state);
  85         struct winbindd_domain *domain;
  86         char *dom_name;
  87         fstring user_name, output_username;
  88         char *mapped_name = NULL;
  89         NTSTATUS status;
  90
  91         status = wb_sid2gid_recv(subreq, &state->pw->pw_gid);
  92         TALLOC_FREE(subreq);
  93         if (!NT_STATUS_IS_OK(status)) {
  94                 tevent_req_nterror(req, status);
  95                 return;
  96         }
  97
  98         domain = find_domain_from_sid_noinit(&state->info->user_sid);
  99         if (domain == NULL) {
 100                 tevent_req_nterror(req, NT_STATUS_NO_SUCH_USER);
 101                 return;
 102         }
 103         dom_name = domain->name;
 104
 105         /* Username */
 106
 107         fstrcpy(user_name, state->info->acct_name);
 108         strlower_m(user_name);
 109         status = normalize_name_map(state, domain, user_name, &mapped_name);
 110
 111         /* Basic removal of whitespace */
 112         if (NT_STATUS_IS_OK(status)) {
 113                 fill_domain_username(output_username, dom_name, mapped_name,
 114                                      true);
 115         }
 116         /* Complete name replacement */
 117         else if (NT_STATUS_EQUAL(status, NT_STATUS_FILE_RENAMED)) {
 118                 fstrcpy(output_username, mapped_name);
 119         }
 120         /* No change at all */
 121         else {
 122                 fill_domain_username(output_username, dom_name, user_name,
 123                                      true);
 124         }
 125
 126         fstrcpy(state->pw->pw_name, output_username);
 127         fstrcpy(state->pw->pw_gecos, state->info->full_name);
 128
 129         /* Home directory and shell */
 130
 131         if (!fillup_pw_field(lp_template_homedir(), user_name, dom_name,
 132                              state->pw->pw_uid, state->pw->pw_gid,
 133                              state->info->homedir, state->pw->pw_dir)) {
 134                 tevent_req_nterror(req, NT_STATUS_NO_SUCH_USER);
 135                 return;
 136         }
 137
 138         if (!fillup_pw_field(lp_template_shell(), user_name, dom_name,
 139                              state->pw->pw_uid, state->pw->pw_gid,
 140                              state->info->shell, state->pw->pw_shell)) {
 141                 tevent_req_nterror(req, NT_STATUS_NO_SUCH_USER);
 142                 return;
 143         }
 144
 145         /* Password - set to "*" as we can't generate anything useful here.
 146            Authentication can be done using the pam_winbind module. */
 147
 148         fstrcpy(state->pw->pw_passwd, "*");
 149         tevent_req_done(req);
 150 }
 151
 152 NTSTATUS wb_fill_pwent_recv(struct tevent_req *req)
 153 {
 154         return tevent_req_simple_recv_ntstatus(req);
 155 }