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_helper.h"
  26 #include "smbd/service_task.h"
  27
  28 struct cmd_getgrnam_state {
  29         struct composite_context *ctx;
  30         struct wbsrv_service *service;
  31         char *name;
  32         char *workgroup_name;
  33         struct dom_sid *group_sid;
  34
  35         struct winbindd_gr *result;
  36 };
  37
  38 static void cmd_getgrnam_recv_domain(struct composite_context *ctx);
  39 static void cmd_getgrnam_recv_group_info(struct composite_context *ctx);
  40 static void cmd_getgrnam_recv_gid(struct composite_context *ctx);
  41
  42 struct composite_context *wb_cmd_getgrnam_send(TALLOC_CTX *mem_ctx,
  43                                                  struct wbsrv_service *service,
  44                                                  const char *name)
  45 {
  46         struct composite_context *result, *ctx;
  47         struct cmd_getgrnam_state *state;
  48
  49         DEBUG(5, ("wb_cmd_getgrnam_send called\n"));
  50
  51         result = composite_create(mem_ctx, service->task->event_ctx);
  52         if (!result) return NULL;
  53
  54         state = talloc(result, struct cmd_getgrnam_state);
  55         if (composite_nomem(state, result)) return result;
  56         state->ctx = result;
  57         result->private_data = state;
  58         state->service = service;
  59         state->name = talloc_strdup(state, name);
  60         if(composite_nomem(state->name, result)) return result;
  61
  62         ctx = wb_name2domain_send(state, service, name);
  63         if (composite_nomem(ctx, result)) return result;
  64
  65         composite_continue(result, ctx, cmd_getgrnam_recv_domain, state);
  66         return result;
  67 }
  68
  69 static void cmd_getgrnam_recv_domain(struct composite_context *ctx)
  70 {
  71         struct cmd_getgrnam_state *state = talloc_get_type(
  72                         ctx->async.private_data, struct cmd_getgrnam_state);
  73         struct wbsrv_domain *domain;
  74         struct libnet_GroupInfo *group_info;
  75         char *group_dom, *group_name;
  76         bool ok;
  77
  78         state->ctx->status = wb_name2domain_recv(ctx, &domain);
  79         if(!composite_is_ok(state->ctx)) return;
  80
  81         group_info = talloc(state, struct libnet_GroupInfo);
  82         if (composite_nomem(group_info, state->ctx)) return;
  83
  84         ok = wb_samba3_split_username(state, state->service->task->lp_ctx,
  85                                       state->name, &group_dom, &group_name);
  86         if(!ok){
  87                 composite_error(state->ctx, NT_STATUS_OBJECT_NAME_INVALID);
  88                 return;
  89         }
  90
  91         group_info->in.level = GROUP_INFO_BY_NAME;
  92         group_info->in.data.group_name = group_name;
  93         group_info->in.domain_name = group_dom;
  94         state->workgroup_name = talloc_strdup(state, group_dom);
  95         if(composite_nomem(state->workgroup_name, state->ctx)) return;
  96
  97         ctx = libnet_GroupInfo_send(domain->libnet_ctx, state, group_info,NULL);
  98
  99         composite_continue(state->ctx, ctx, cmd_getgrnam_recv_group_info,state);
 100 }
 101
 102 static void cmd_getgrnam_recv_group_info(struct composite_context *ctx)
 103 {
 104         struct cmd_getgrnam_state *state = talloc_get_type(
 105                         ctx->async.private_data, struct cmd_getgrnam_state);
 106         struct libnet_GroupInfo *group_info;
 107         struct winbindd_gr *gr;
 108
 109         DEBUG(5, ("cmd_getgrnam_recv_group_info called\n"));
 110
 111         group_info = talloc(state, struct libnet_GroupInfo);
 112         if(composite_nomem(group_info, state->ctx)) return;
 113
 114         gr = talloc(state, struct winbindd_gr);
 115         if(composite_nomem(gr, state->ctx)) return;
 116
 117         state->ctx->status = libnet_GroupInfo_recv(ctx, state, group_info);
 118         if(!composite_is_ok(state->ctx)) return;
 119
 120         WBSRV_SAMBA3_SET_STRING(gr->gr_name, group_info->out.group_name);
 121         WBSRV_SAMBA3_SET_STRING(gr->gr_passwd, "*");
 122         gr->num_gr_mem = group_info->out.num_members;
 123         gr->gr_mem_ofs = 0;
 124
 125         state->result = gr;
 126
 127         ctx = wb_sid2gid_send(state, state->service, group_info->out.group_sid);
 128         composite_continue(state->ctx, ctx, cmd_getgrnam_recv_gid, state);
 129 }
 130
 131 static void cmd_getgrnam_recv_gid(struct composite_context *ctx)
 132 {
 133         struct cmd_getgrnam_state *state = talloc_get_type(
 134                         ctx->async.private_data, struct cmd_getgrnam_state);
 135         gid_t gid;
 136
 137         DEBUG(5, ("cmd_getgrnam_recv_gid called\n"));
 138
 139         state->ctx->status = wb_sid2gid_recv(ctx, &gid);
 140         if(!composite_is_ok(state->ctx)) return;
 141
 142         state->result->gr_gid = gid;
 143
 144         composite_done(state->ctx);
 145 }
 146
 147 NTSTATUS wb_cmd_getgrnam_recv(struct composite_context *ctx,
 148                 TALLOC_CTX *mem_ctx, struct winbindd_gr **gr)
 149 {
 150         NTSTATUS status = composite_wait(ctx);
 151
 152         DEBUG(5, ("wb_cmd_getgrnam_recv called\n"));
 153
 154         if (NT_STATUS_IS_OK(status)) {
 155                 struct cmd_getgrnam_state *state =
 156                         talloc_get_type(ctx->private_data,
 157                                         struct cmd_getgrnam_state);
 158                 *gr = talloc_steal(mem_ctx, state->result);
 159         }
 160         talloc_free(ctx);
 161         return status;
 162
 163 }
 164