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2663586c8b
Signed-off-by: Andrew Tridgell <tridge@samba.org> Autobuild-User: Andrew Bartlett <abartlet@samba.org> Autobuild-Date: Fri Jul 29 05:33:03 CEST 2011 on sn-devel-104
130 lines
3.7 KiB
C
130 lines
3.7 KiB
C
/*
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Unix SMB/CIFS implementation.
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Deal with unix elements in the security token
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Copyright (C) Andrew Tridgell 2004
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Copyright (C) Andrew Bartlett 2011
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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 "auth/auth.h"
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#include "libcli/wbclient/wbclient.h"
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#include "param/param.h"
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/*
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form a security_unix_token from the current security_token
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*/
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NTSTATUS security_token_to_unix_token(TALLOC_CTX *mem_ctx,
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struct wbc_context *wbc_ctx,
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struct security_token *token,
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struct security_unix_token **sec)
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{
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int i;
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NTSTATUS status;
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struct id_map *ids;
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struct composite_context *ctx;
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*sec = talloc(mem_ctx, struct security_unix_token);
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/* we can't do unix security without a user and group */
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if (token->num_sids < 2) {
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return NT_STATUS_ACCESS_DENIED;
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}
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ids = talloc_array(mem_ctx, struct id_map, token->num_sids);
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NT_STATUS_HAVE_NO_MEMORY(ids);
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(*sec)->ngroups = token->num_sids - 2;
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(*sec)->groups = talloc_array(*sec, gid_t, (*sec)->ngroups);
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NT_STATUS_HAVE_NO_MEMORY((*sec)->groups);
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for (i=0;i<token->num_sids;i++) {
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ZERO_STRUCT(ids[i].xid);
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ids[i].sid = &token->sids[i];
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ids[i].status = ID_UNKNOWN;
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}
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ctx = wbc_sids_to_xids_send(wbc_ctx, ids, token->num_sids, ids);
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NT_STATUS_HAVE_NO_MEMORY(ctx);
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status = wbc_sids_to_xids_recv(ctx, &ids);
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NT_STATUS_NOT_OK_RETURN(status);
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if (ids[0].xid.type == ID_TYPE_BOTH ||
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ids[0].xid.type == ID_TYPE_UID) {
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(*sec)->uid = ids[0].xid.id;
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} else {
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return NT_STATUS_INVALID_SID;
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}
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if (ids[1].xid.type == ID_TYPE_BOTH ||
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ids[1].xid.type == ID_TYPE_GID) {
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(*sec)->gid = ids[1].xid.id;
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} else {
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return NT_STATUS_INVALID_SID;
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}
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for (i=0;i<(*sec)->ngroups;i++) {
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if (ids[i+2].xid.type == ID_TYPE_BOTH ||
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ids[i+2].xid.type == ID_TYPE_GID) {
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(*sec)->groups[i] = ids[i+2].xid.id;
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} else {
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return NT_STATUS_INVALID_SID;
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}
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}
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TALLOC_FREE(ids);
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return NT_STATUS_OK;
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}
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/*
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Fill in the auth_user_info_unix and auth_unix_token elements in a struct session_info
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*/
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NTSTATUS auth_session_info_fill_unix( struct wbc_context *wbc_ctx,
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struct loadparm_context *lp_ctx,
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struct auth_session_info *session_info)
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{
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char *su;
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size_t len;
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NTSTATUS status = security_token_to_unix_token(session_info, wbc_ctx,
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session_info->security_token,
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&session_info->unix_token);
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if (!NT_STATUS_IS_OK(status)) {
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return status;
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}
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session_info->unix_info = talloc_zero(session_info, struct auth_user_info_unix);
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NT_STATUS_HAVE_NO_MEMORY(session_info->unix_info);
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session_info->unix_info->system = security_token_is_system(session_info->security_token);
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session_info->unix_info->unix_name = talloc_asprintf(session_info->unix_info,
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"%s%s%s", session_info->info->domain_name,
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lpcfg_winbind_separator(lp_ctx),
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session_info->info->account_name);
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NT_STATUS_HAVE_NO_MEMORY(session_info->unix_info->unix_name);
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len = strlen(session_info->info->account_name) + 1;
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session_info->unix_info->sanitized_username = su = talloc_array(session_info->unix_info, char, len);
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NT_STATUS_HAVE_NO_MEMORY(su);
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alpha_strcpy(su, session_info->info->account_name,
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". _-$", len);
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return NT_STATUS_OK;
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}
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