source4/winbind/wb_cmd_getpwnam.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    Command backend for wbinfo -i
   5
   6    Copyright (C) Kai Blin 2007
   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 3 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, see <http://www.gnu.org/licenses/>.
  20 */
  21
  22 #include "includes.h"
  23 #include "libcli/composite/composite.h"
  24 #include "winbind/wb_server.h"
  25 #include "winbind/wb_async_helpers.h"
  26 #include "param/param.h"
  27 #include "winbind/wb_helper.h"
  28 #include "smbd/service_task.h"
  29 #include "libnet/libnet_proto.h"
  30 #include "libcli/security/proto.h"
  31
  32 struct cmd_getpwnam_state {
  33         struct composite_context *ctx;
  34         struct wbsrv_service *service;
  35         char *name;
  36         char *workgroup_name;
  37         struct dom_sid *group_sid;
  38
  39         struct winbindd_pw *result;
  40 };
  41
  42 static void cmd_getpwnam_recv_domain(struct composite_context *ctx);
  43 static void cmd_getpwnam_recv_user_info(struct composite_context *ctx);
  44 static void cmd_getpwnam_recv_uid(struct composite_context *ctx);
  45 static void cmd_getpwnam_recv_gid(struct composite_context *ctx);
  46
  47 struct composite_context *wb_cmd_getpwnam_send(TALLOC_CTX *mem_ctx,
  48                                                  struct wbsrv_service *service,
  49                                                  const char *name)
  50 {
  51         struct composite_context *result, *ctx;
  52         struct cmd_getpwnam_state *state;
  53
  54         DEBUG(5, ("wb_cmd_getpwnam_send called\n"));
  55
  56         result = composite_create(mem_ctx, service->task->event_ctx);
  57         if (!result) return NULL;
  58
  59         state = talloc(result, struct cmd_getpwnam_state);
  60         if (composite_nomem(state, result)) return result;
  61         state->ctx = result;
  62         result->private_data = state;
  63         state->service = service;
  64         state->name = talloc_strdup(state, name);
  65         if(composite_nomem(state->name, result)) return result;
  66
  67         ctx = wb_name2domain_send(state, service, name);
  68         if (composite_nomem(ctx, result)) return result;
  69
  70         composite_continue(result, ctx, cmd_getpwnam_recv_domain, state);
  71         return result;
  72 }
  73
  74 static void cmd_getpwnam_recv_domain(struct composite_context *ctx)
  75 {
  76         struct cmd_getpwnam_state *state = talloc_get_type(
  77                         ctx->async.private_data, struct cmd_getpwnam_state);
  78         struct wbsrv_domain *domain;
  79         struct libnet_UserInfo *user_info;
  80         char *user_dom, *user_name;
  81         bool ok;
  82
  83         state->ctx->status = wb_name2domain_recv(ctx, &domain);
  84         if(!composite_is_ok(state->ctx)) return;
  85
  86         user_info = talloc(state, struct libnet_UserInfo);
  87         if (composite_nomem(user_info, state->ctx)) return;
  88
  89         ok= wb_samba3_split_username(state, state->service->task->lp_ctx, state->name, &user_dom, &user_name);
  90         if(!ok){
  91                 composite_error(state->ctx, NT_STATUS_OBJECT_NAME_INVALID);
  92                 return;
  93         }
  94
  95         user_info->in.level = USER_INFO_BY_NAME;
  96         user_info->in.data.user_name = user_name;
  97         user_info->in.domain_name = domain->libnet_ctx->samr.name;
  98         state->workgroup_name = talloc_strdup(state,
  99                         domain->libnet_ctx->samr.name);
 100         if(composite_nomem(state->workgroup_name, state->ctx)) return;
 101
 102         ctx = libnet_UserInfo_send(domain->libnet_ctx, state, user_info, NULL);
 103
 104         composite_continue(state->ctx, ctx, cmd_getpwnam_recv_user_info, state);
 105 }
 106
 107 static void cmd_getpwnam_recv_user_info(struct composite_context *ctx)
 108 {
 109         struct cmd_getpwnam_state *state = talloc_get_type(
 110                         ctx->async.private_data, struct cmd_getpwnam_state);
 111         struct libnet_UserInfo *user_info;
 112         struct winbindd_pw *pw;
 113
 114         DEBUG(5, ("cmd_getpwnam_recv_user_info called\n"));
 115
 116         user_info = talloc(state, struct libnet_UserInfo);
 117         if(composite_nomem(user_info, state->ctx)) return;
 118
 119         pw = talloc(state, struct winbindd_pw);
 120         if(composite_nomem(pw, state->ctx)) return;
 121
 122         state->ctx->status = libnet_UserInfo_recv(ctx, state, user_info);
 123         if(!composite_is_ok(state->ctx)) return;
 124
 125         WBSRV_SAMBA3_SET_STRING(pw->pw_name, user_info->out.account_name);
 126         WBSRV_SAMBA3_SET_STRING(pw->pw_passwd, "*");
 127         WBSRV_SAMBA3_SET_STRING(pw->pw_gecos, user_info->out.full_name);
 128         WBSRV_SAMBA3_SET_STRING(pw->pw_dir,
 129                 lp_template_homedir(state->service->task->lp_ctx));
 130         all_string_sub(pw->pw_dir, "%WORKGROUP%", state->workgroup_name,
 131                         sizeof(fstring) - 1);
 132         all_string_sub(pw->pw_dir, "%ACCOUNTNAME%", user_info->out.account_name,
 133                         sizeof(fstring) - 1);
 134         WBSRV_SAMBA3_SET_STRING(pw->pw_shell,
 135                 lp_template_shell(state->service->task->lp_ctx));
 136
 137         state->group_sid = dom_sid_dup(state, user_info->out.primary_group_sid);
 138         if(composite_nomem(state->group_sid, state->ctx)) return;
 139
 140         state->result = pw;
 141
 142         ctx = wb_sid2uid_send(state, state->service, user_info->out.user_sid);
 143         composite_continue(state->ctx, ctx, cmd_getpwnam_recv_uid, state);
 144 }
 145
 146 static void cmd_getpwnam_recv_uid(struct composite_context *ctx)
 147 {
 148         struct cmd_getpwnam_state *state = talloc_get_type(
 149                         ctx->async.private_data, struct cmd_getpwnam_state);
 150         uid_t uid;
 151
 152         DEBUG(5, ("cmd_getpwnam_recv_uid called\n"));
 153
 154         state->ctx->status = wb_sid2uid_recv(ctx, &uid);
 155         if(!composite_is_ok(state->ctx)) return;
 156
 157         state->result->pw_uid = uid;
 158
 159         ctx = wb_sid2gid_send(state, state->service, state->group_sid);
 160         composite_continue(state->ctx, ctx, cmd_getpwnam_recv_gid, state);
 161 }
 162
 163 static void cmd_getpwnam_recv_gid(struct composite_context *ctx)
 164 {
 165         struct cmd_getpwnam_state *state = talloc_get_type(
 166                         ctx->async.private_data, struct cmd_getpwnam_state);
 167         gid_t gid;
 168
 169         DEBUG(5, ("cmd_getpwnam_recv_gid called\n"));
 170
 171         state->ctx->status = wb_sid2gid_recv(ctx, &gid);
 172         if(!composite_is_ok(state->ctx)) return;
 173
 174         state->result->pw_gid = gid;
 175
 176         composite_done(state->ctx);
 177 }
 178
 179 NTSTATUS wb_cmd_getpwnam_recv(struct composite_context *ctx,
 180                 TALLOC_CTX *mem_ctx, struct winbindd_pw **pw)
 181 {
 182         NTSTATUS status = composite_wait(ctx);
 183
 184         DEBUG(5, ("wb_cmd_getpwnam_recv called\n"));
 185
 186         if (NT_STATUS_IS_OK(status)) {
 187                 struct cmd_getpwnam_state *state =
 188                         talloc_get_type(ctx->private_data,
 189                                         struct cmd_getpwnam_state);
 190                 *pw = talloc_steal(mem_ctx, state->result);
 191         }
 192         talloc_free(ctx);
 193         return status;
 194
 195 }
 196