Line data    Source code

       1             : /*
       2             :    Unix SMB/CIFS implementation.
       3             :    async implementation of WINBINDD_GETPWUID
       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 "libcli/security/dom_sid.h"
      23             : 
      24             : struct winbindd_getpwuid_state {
      25             :         struct tevent_context *ev;
      26             :         struct unixid xid;
      27             :         struct dom_sid *sid;
      28             :         struct winbindd_pw pw;
      29             : };
      30             : 
      31             : static void winbindd_getpwuid_uid2sid_done(struct tevent_req *subreq);
      32             : static void winbindd_getpwuid_done(struct tevent_req *subreq);
      33             : 
      34        3869 : struct tevent_req *winbindd_getpwuid_send(TALLOC_CTX *mem_ctx,
      35             :                                           struct tevent_context *ev,
      36             :                                           struct winbindd_cli_state *cli,
      37             :                                           struct winbindd_request *request)
      38             : {
      39           0 :         struct tevent_req *req, *subreq;
      40           0 :         struct winbindd_getpwuid_state *state;
      41             : 
      42        3869 :         req = tevent_req_create(mem_ctx, &state,
      43             :                                 struct winbindd_getpwuid_state);
      44        3869 :         if (req == NULL) {
      45           0 :                 return NULL;
      46             :         }
      47        3869 :         state->ev = ev;
      48             : 
      49        3869 :         D_NOTICE("[%s (%u)] Winbind external command GETPWUID start.\n"
      50             :                  "Search UID %u.\n",
      51             :                  cli->client_name,
      52             :                  (unsigned int)cli->pid,
      53             :                  (int)request->data.uid);
      54             : 
      55        3869 :         state->xid = (struct unixid) {
      56        3869 :                 .id = request->data.uid, .type = ID_TYPE_UID };
      57             : 
      58        3869 :         subreq = wb_xids2sids_send(state, ev, &state->xid, 1);
      59        3869 :         if (tevent_req_nomem(subreq, req)) {
      60           0 :                 return tevent_req_post(req, ev);
      61             :         }
      62        3869 :         tevent_req_set_callback(subreq, winbindd_getpwuid_uid2sid_done,
      63             :                                 req);
      64        3869 :         return req;
      65             : }
      66             : 
      67        3869 : static void winbindd_getpwuid_uid2sid_done(struct tevent_req *subreq)
      68             : {
      69        3869 :         struct tevent_req *req = tevent_req_callback_data(
      70             :                 subreq, struct tevent_req);
      71        3869 :         struct winbindd_getpwuid_state *state = tevent_req_data(
      72             :                 req, struct winbindd_getpwuid_state);
      73           0 :         NTSTATUS status;
      74             : 
      75        3869 :         status = wb_xids2sids_recv(subreq, state, &state->sid);
      76        3869 :         TALLOC_FREE(subreq);
      77        3869 :         if (tevent_req_nterror(req, status)) {
      78           0 :                 D_WARNING("Failed with %s.\n", nt_errstr(status));
      79         795 :                 return;
      80             :         }
      81        3869 :         if (is_null_sid(state->sid)) {
      82         795 :                 tevent_req_nterror(req, NT_STATUS_NO_SUCH_USER);
      83         795 :                 D_WARNING("Failed with NT_STATUS_NO_SUCH_USER.\n");
      84         795 :                 return;
      85             :         }
      86             : 
      87        3074 :         subreq = wb_getpwsid_send(state, state->ev, state->sid, &state->pw);
      88        3074 :         if (tevent_req_nomem(subreq, req)) {
      89           0 :                 return;
      90             :         }
      91        3074 :         tevent_req_set_callback(subreq, winbindd_getpwuid_done, req);
      92             : }
      93             : 
      94        3074 : static void winbindd_getpwuid_done(struct tevent_req *subreq)
      95             : {
      96        3074 :         struct tevent_req *req = tevent_req_callback_data(
      97             :                 subreq, struct tevent_req);
      98           0 :         NTSTATUS status;
      99             : 
     100        3074 :         status = wb_getpwsid_recv(subreq);
     101        3074 :         TALLOC_FREE(subreq);
     102        3074 :         if (tevent_req_nterror(req, status)) {
     103           0 :                 D_WARNING("Failed with %s.\n", nt_errstr(status));
     104           0 :                 return;
     105             :         }
     106        3074 :         tevent_req_done(req);
     107             : }
     108             : 
     109        3869 : NTSTATUS winbindd_getpwuid_recv(struct tevent_req *req,
     110             :                                 struct winbindd_response *response)
     111             : {
     112        3869 :         struct winbindd_getpwuid_state *state = tevent_req_data(
     113             :                 req, struct winbindd_getpwuid_state);
     114           0 :         NTSTATUS status;
     115             : 
     116        3869 :         if (tevent_req_is_nterror(req, &status)) {
     117           0 :                 struct dom_sid_buf buf;
     118         795 :                 D_WARNING("Could not convert sid %s: %s\n",
     119             :                           dom_sid_str_buf(state->sid, &buf),
     120             :                           nt_errstr(status));
     121         795 :                 return status;
     122             :         }
     123        3074 :         response->data.pw = state->pw;
     124        3074 :         D_NOTICE("Winbind external command GETPWUID end.\n"
     125             :                  "(name:passwd:uid:gid:gecos:dir:shell)\n"
     126             :                  "%s:%s:%u:%u:%s:%s:%s\n",
     127             :                  state->pw.pw_name,
     128             :                  state->pw.pw_passwd,
     129             :                  (unsigned int)state->pw.pw_uid,
     130             :                  (unsigned int)state->pw.pw_gid,
     131             :                  state->pw.pw_gecos,
     132             :                  state->pw.pw_dir,
     133             :                  state->pw.pw_shell
     134             :                  );
     135             : 
     136        3074 :         return NT_STATUS_OK;
     137             : }