source4/winbind/wb_cmd_getgrnam.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    Command backend for wbinfo --group-info
   5
   6    Copyright (C) Kai Blin 2008
   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/security.h"
  31
  32 struct cmd_getgrnam_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_gr *result;
  40 };
  41
  42 static void cmd_getgrnam_recv_domain(struct composite_context *ctx);
  43 static void cmd_getgrnam_recv_group_info(struct composite_context *ctx);
  44 static void cmd_getgrnam_recv_gid(struct composite_context *ctx);
  45
  46 struct composite_context *wb_cmd_getgrnam_send(TALLOC_CTX *mem_ctx,
  47                                                  struct wbsrv_service *service,
  48                                                  const char *name)
  49 {
  50         struct composite_context *result, *ctx;
  51         struct cmd_getgrnam_state *state;
  52
  53         DEBUG(5, ("wb_cmd_getgrnam_send called\n"));
  54
  55         result = composite_create(mem_ctx, service->task->event_ctx);
  56         if (!result) return NULL;
  57
  58         state = talloc(result, struct cmd_getgrnam_state);
  59         if (composite_nomem(state, result)) return result;
  60         state->ctx = result;
  61         result->private_data = state;
  62         state->service = service;
  63         state->name = talloc_strdup(state, name);
  64         if(composite_nomem(state->name, result)) return result;
  65
  66         ctx = wb_name2domain_send(state, service, name);
  67         if (composite_nomem(ctx, result)) return result;
  68
  69         composite_continue(result, ctx, cmd_getgrnam_recv_domain, state);
  70         return result;
  71 }
  72
  73 static void cmd_getgrnam_recv_domain(struct composite_context *ctx)
  74 {
  75         struct cmd_getgrnam_state *state = talloc_get_type(
  76                         ctx->async.private_data, struct cmd_getgrnam_state);
  77         struct wbsrv_domain *domain;
  78         struct libnet_GroupInfo *group_info;
  79         char *group_dom, *group_name;
  80         bool ok;
  81
  82         state->ctx->status = wb_name2domain_recv(ctx, &domain);
  83         if(!composite_is_ok(state->ctx)) return;
  84
  85         group_info = talloc(state, struct libnet_GroupInfo);
  86         if (composite_nomem(group_info, state->ctx)) return;
  87
  88         ok = wb_samba3_split_username(state, state->service->task->lp_ctx,
  89                                       state->name, &group_dom, &group_name);
  90         if(!ok){
  91                 composite_error(state->ctx, NT_STATUS_OBJECT_NAME_INVALID);
  92                 return;
  93         }
  94
  95         group_info->in.level = GROUP_INFO_BY_NAME;
  96         group_info->in.data.group_name = group_name;
  97         group_info->in.domain_name = group_dom;
  98         state->workgroup_name = talloc_strdup(state, group_dom);
  99         if(composite_nomem(state->workgroup_name, state->ctx)) return;
 100
 101         ctx = libnet_GroupInfo_send(domain->libnet_ctx, state, group_info,NULL);
 102
 103         composite_continue(state->ctx, ctx, cmd_getgrnam_recv_group_info,state);
 104 }
 105
 106 static void cmd_getgrnam_recv_group_info(struct composite_context *ctx)
 107 {
 108         struct cmd_getgrnam_state *state = talloc_get_type(
 109                         ctx->async.private_data, struct cmd_getgrnam_state);
 110         struct libnet_GroupInfo *group_info;
 111         struct winbindd_gr *gr;
 112
 113         DEBUG(5, ("cmd_getgrnam_recv_group_info called\n"));
 114
 115         group_info = talloc(state, struct libnet_GroupInfo);
 116         if(composite_nomem(group_info, state->ctx)) return;
 117
 118         gr = talloc(state, struct winbindd_gr);
 119         if(composite_nomem(gr, state->ctx)) return;
 120
 121         state->ctx->status = libnet_GroupInfo_recv(ctx, state, group_info);
 122         if(!composite_is_ok(state->ctx)) return;
 123
 124         WBSRV_SAMBA3_SET_STRING(gr->gr_name, group_info->out.group_name);
 125         WBSRV_SAMBA3_SET_STRING(gr->gr_passwd, "*");
 126         gr->num_gr_mem = group_info->out.num_members;
 127         gr->gr_mem_ofs = 0;
 128
 129         state->result = gr;
 130
 131         ctx = wb_sid2gid_send(state, state->service, group_info->out.group_sid);
 132         composite_continue(state->ctx, ctx, cmd_getgrnam_recv_gid, state);
 133 }
 134
 135 static void cmd_getgrnam_recv_gid(struct composite_context *ctx)
 136 {
 137         struct cmd_getgrnam_state *state = talloc_get_type(
 138                         ctx->async.private_data, struct cmd_getgrnam_state);
 139         gid_t gid;
 140
 141         DEBUG(5, ("cmd_getgrnam_recv_gid called\n"));
 142
 143         state->ctx->status = wb_sid2gid_recv(ctx, &gid);
 144         if(!composite_is_ok(state->ctx)) return;
 145
 146         state->result->gr_gid = gid;
 147
 148         composite_done(state->ctx);
 149 }
 150
 151 NTSTATUS wb_cmd_getgrnam_recv(struct composite_context *ctx,
 152                 TALLOC_CTX *mem_ctx, struct winbindd_gr **gr)
 153 {
 154         NTSTATUS status = composite_wait(ctx);
 155
 156         DEBUG(5, ("wb_cmd_getgrnam_recv called\n"));
 157
 158         if (NT_STATUS_IS_OK(status)) {
 159                 struct cmd_getgrnam_state *state =
 160                         talloc_get_type(ctx->private_data,
 161                                         struct cmd_getgrnam_state);
 162                 *gr = talloc_steal(mem_ctx, state->result);
 163         }
 164         talloc_free(ctx);
 165         return status;
 166
 167 }
 168