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/*
Authors:
Pavel Březina <pbrezina@redhat.com>
Copyright (C) 2016 Red Hat
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <talloc.h>
#include <ldb.h>
#include "util/util.h"
#include "confdb/confdb.h"
#include "responder/common/responder.h"
#include "responder/nss/nss_private.h"
const char *
nss_get_name_from_msg(struct sss_domain_info *domain,
struct ldb_message *msg)
{
const char *name;
/* If domain has a view associated we return overridden name
* if possible. */
if (DOM_HAS_VIEWS(domain)) {
name = ldb_msg_find_attr_as_string(msg, OVERRIDE_PREFIX SYSDB_NAME,
NULL);
if (name != NULL) {
return name;
}
}
/* Otherwise we try to return name override from
* Default Truest View for trusted users. */
name = ldb_msg_find_attr_as_string(msg, SYSDB_DEFAULT_OVERRIDE_NAME, NULL);
if (name != NULL) {
return name;
}
/* If no override is found we return the original name. */
return ldb_msg_find_attr_as_string(msg, SYSDB_NAME, NULL);
}
int sized_output_name(TALLOC_CTX *mem_ctx,
struct resp_ctx *rctx,
const char *orig_name,
struct sss_domain_info *name_dom,
struct sized_string **_name)
{
TALLOC_CTX *tmp_ctx = NULL;
errno_t ret;
char *username;
struct sized_string *name;
tmp_ctx = talloc_new(NULL);
if (tmp_ctx == NULL) {
return ENOMEM;
}
username = sss_output_name(tmp_ctx, orig_name, name_dom->case_preserve,
rctx->override_space);
if (username == NULL) {
ret = EIO;
goto done;
}
if (name_dom->fqnames) {
username = sss_tc_fqname(tmp_ctx, name_dom->names, name_dom, username);
if (username == NULL) {
DEBUG(SSSDBG_CRIT_FAILURE, "sss_replace_space failed\n");
ret = EIO;
goto done;
}
}
name = talloc_zero(tmp_ctx, struct sized_string);
if (name == NULL) {
ret = ENOMEM;
goto done;
}
to_sized_string(name, username);
name->str = talloc_steal(name, username);
*_name = talloc_steal(mem_ctx, name);
ret = EOK;
done:
talloc_zfree(tmp_ctx);
return ret;
}
int sized_member_name(TALLOC_CTX *mem_ctx,
struct resp_ctx *rctx,
const char *member_name,
struct sized_string **_name)
{
TALLOC_CTX *tmp_ctx = NULL;
errno_t ret;
char *domname;
struct sss_domain_info *member_dom;
tmp_ctx = talloc_new(NULL);
if (tmp_ctx == NULL) {
return ENOMEM;
}
ret = sss_parse_internal_fqname(tmp_ctx, member_name, NULL, &domname);
if (ret != EOK) {
DEBUG(SSSDBG_CRIT_FAILURE, "sss_parse_internal_fqname failed\n");
goto done;
}
if (domname == NULL) {
ret = ERR_WRONG_NAME_FORMAT;
goto done;
}
member_dom = find_domain_by_name(get_domains_head(rctx->domains),
domname, true);
if (member_dom == NULL) {
ret = ERR_DOMAIN_NOT_FOUND;
goto done;
}
ret = sized_output_name(mem_ctx, rctx, member_name,
member_dom, _name);
done:
talloc_free(tmp_ctx);
return ret;
}
const char *
nss_get_pwfield(struct nss_ctx *nctx,
struct sss_domain_info *dom)
{
if (dom->pwfield != NULL) {
return dom->pwfield;
}
return nctx->pwfield;
}
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