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Viewing changes to source4/winbind/wb_cmd_getgrgid.c

  • Committer: Chuck Short
  • Date: 2010-09-28 20:38:39 UTC
  • Revision ID: zulcss@ubuntu.com-20100928203839-pgjulytsi9ue63x1
Initial version

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source4/winbind/wb_cmd_getgrgid.c
 
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/*
 
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   Unix SMB/CIFS implementation.
 
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   Backend for getgrgid
 
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   Copyright (C) Kai Blin 2007
 
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   This program is free software; you can redistribute it and/or modify
 
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   it under the terms of the GNU General Public License as published by
 
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   the Free Software Foundation; either version 3 of the License, or
 
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   (at your option) any later version.
 
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   This program is distributed in the hope that it will be useful,
 
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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   GNU General Public License for more details.
 
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   You should have received a copy of the GNU General Public License
 
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   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
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*/
 
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#include "includes.h"
 
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#include "libcli/composite/composite.h"
 
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#include "winbind/wb_server.h"
 
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#include "winbind/wb_async_helpers.h"
 
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#include "winbind/wb_helper.h"
 
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#include "smbd/service_task.h"
 
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#include "libnet/libnet_proto.h"
 
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#include "param/param.h"
 
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#include "libcli/security/proto.h"
 
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#include "auth/credentials/credentials.h"
 
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struct cmd_getgrgid_state {
 
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        struct composite_context *ctx;
 
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        struct wbsrv_service *service;
 
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        gid_t gid;
 
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        struct dom_sid *sid;
 
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        char *workgroup;
 
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        struct wbsrv_domain *domain;
 
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        struct winbindd_gr *result;
 
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};
 
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static void cmd_getgrgid_recv_sid(struct composite_context *ctx);
 
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static void cmd_getgrgid_recv_domain(struct composite_context *ctx);
 
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static void cmd_getgrgid_recv_group_info(struct composite_context *ctx);
 
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/* Get the SID using the gid */
 
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struct composite_context *wb_cmd_getgrgid_send(TALLOC_CTX *mem_ctx,
 
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                                                 struct wbsrv_service *service,
 
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                                                 gid_t gid)
 
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{
 
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        struct composite_context *ctx, *result;
 
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        struct cmd_getgrgid_state *state;
 
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        DEBUG(5, ("wb_cmd_getgrgid_send called\n"));
 
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        result = composite_create(mem_ctx, service->task->event_ctx);
 
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        if (!result) return NULL;
 
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        state = talloc(result, struct cmd_getgrgid_state);
 
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        if (composite_nomem(state, result)) return result;
 
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        state->ctx = result;
 
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        result->private_data = state;
 
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        state->service = service;
 
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        state->gid = gid;
 
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        ctx = wb_gid2sid_send(state, service, gid);
 
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        if (composite_nomem(ctx, state->ctx)) return result;
 
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        composite_continue(result, ctx, cmd_getgrgid_recv_sid, state);
 
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        return result;
 
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}
 
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/* Receive the sid and get the domain structure with it */
 
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static void cmd_getgrgid_recv_sid(struct composite_context *ctx)
 
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{
 
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        struct cmd_getgrgid_state *state =
 
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                talloc_get_type(ctx->async.private_data,
 
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                                struct cmd_getgrgid_state);
 
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        DEBUG(5, ("cmd_getgrgid_recv_sid called %p\n", ctx->private_data));
 
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        state->ctx->status = wb_gid2sid_recv(ctx, state, &state->sid);
 
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        if (!composite_is_ok(state->ctx)) return;
 
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        ctx = wb_sid2domain_send(state, state->service, state->sid);
 
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        composite_continue(state->ctx, ctx, cmd_getgrgid_recv_domain, state);
 
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}
 
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/* Receive the domain struct and call libnet to get the user info struct */
 
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static void cmd_getgrgid_recv_domain(struct composite_context *ctx)
 
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{
 
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        struct cmd_getgrgid_state *state =
 
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                talloc_get_type(ctx->async.private_data,
 
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                                struct cmd_getgrgid_state);
 
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        struct libnet_GroupInfo *group_info;
 
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        DEBUG(5, ("cmd_getgrgid_recv_domain called\n"));
 
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        state->ctx->status = wb_sid2domain_recv(ctx, &state->domain);
 
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        if (!composite_is_ok(state->ctx)) return;
 
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        group_info = talloc(state, struct libnet_GroupInfo);
 
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        if (composite_nomem(group_info, state->ctx)) return;
 
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        group_info->in.level = GROUP_INFO_BY_SID;
 
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        group_info->in.data.group_sid = state->sid;
 
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        group_info->in.domain_name = state->domain->libnet_ctx->samr.name;
 
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        /* We need the workgroup later, so copy it  */
 
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        state->workgroup = talloc_strdup(state,
 
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                        state->domain->libnet_ctx->samr.name);
 
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        if (composite_nomem(state->workgroup, state->ctx)) return;
 
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        ctx = libnet_GroupInfo_send(state->domain->libnet_ctx, state,group_info,
 
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                        NULL);
 
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        composite_continue(state->ctx, ctx, cmd_getgrgid_recv_group_info,state);
 
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}
 
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/* Receive the group info struct */
 
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static void cmd_getgrgid_recv_group_info(struct composite_context *ctx)
 
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{
 
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        struct cmd_getgrgid_state *state =
 
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                talloc_get_type(ctx->async.private_data,
 
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                                struct cmd_getgrgid_state);
 
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        struct libnet_GroupInfo *group_info;
 
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        struct winbindd_gr *gr;
 
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        DEBUG(5, ("cmd_getgrgid_recv_group_info called\n"));
 
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        gr = talloc(state, struct winbindd_gr);
 
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        if (composite_nomem(gr, state->ctx)) return;
 
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        group_info = talloc(state, struct libnet_GroupInfo);
 
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        if(composite_nomem(group_info, state->ctx)) return;
 
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        state->ctx->status = libnet_GroupInfo_recv(ctx, state, group_info);
 
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        if (!composite_is_ok(state->ctx)) return;
 
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        WBSRV_SAMBA3_SET_STRING(gr->gr_name, group_info->out.group_name);
 
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        WBSRV_SAMBA3_SET_STRING(gr->gr_passwd, "*");
 
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        gr->gr_gid = state->gid;
 
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        state->result = gr;
 
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        composite_done(state->ctx);
 
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}
 
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NTSTATUS wb_cmd_getgrgid_recv(struct composite_context *ctx,
 
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                TALLOC_CTX *mem_ctx, struct winbindd_gr **gr)
 
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{
 
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        NTSTATUS status = composite_wait(ctx);
 
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        DEBUG(5, ("wb_cmd_getgrgid_recv called\n"));
 
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        DEBUG(5, ("status is %s\n", nt_errstr(status)));
 
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        if (NT_STATUS_IS_OK(status)) {
 
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                struct cmd_getgrgid_state *state =
 
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                        talloc_get_type(ctx->private_data,
 
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                                        struct cmd_getgrgid_state);
 
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                *gr = talloc_steal(mem_ctx, state->result);
 
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        }
 
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        talloc_free(ctx);
 
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        return status;
 
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}
 
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