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/*
SSSD
NSS Responder
Copyright (C) Petr Čech <pcech@redhat.com> 2016
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 <sys/types.h>
#include <pwd.h>
#include <grp.h>
#include "util/util.h"
#include "responder/common/negcache_files.h"
#define BUFFER_SIZE 16384
bool is_user_local_by_name(const char *name)
{
struct passwd pwd = { 0 };
struct passwd *pwd_result;
char buffer[BUFFER_SIZE];
bool is_local = false;
int ret;
char *shortname = NULL;
ret = sss_parse_internal_fqname(NULL, name, &shortname, NULL);
if (ret != EOK) {
return false;
}
ret = getpwnam_r(shortname, &pwd, buffer, BUFFER_SIZE, &pwd_result);
talloc_free(shortname);
if (ret == EOK && pwd_result != NULL) {
DEBUG(SSSDBG_TRACE_FUNC, "User %s is a local user\n", name);
is_local = true;
}
return is_local;
}
bool is_user_local_by_uid(uid_t uid)
{
struct passwd pwd = { 0 };
struct passwd *pwd_result;
char buffer[BUFFER_SIZE];
bool is_local = false;
int ret;
ret = getpwuid_r(uid, &pwd, buffer, BUFFER_SIZE, &pwd_result);
if (ret == EOK && pwd_result != NULL) {
DEBUG(SSSDBG_TRACE_FUNC,
"User with UID %"SPRIuid" is a local user\n", uid);
is_local = true;
}
return is_local;
}
bool is_group_local_by_name(const char *name)
{
struct group grp = { 0 };
struct group *grp_result;
char buffer[BUFFER_SIZE];
bool is_local = false;
int ret;
char *shortname = NULL;
ret = sss_parse_internal_fqname(NULL, name, &shortname, NULL);
if (ret != EOK) {
return false;
}
ret = getgrnam_r(shortname, &grp, buffer, BUFFER_SIZE, &grp_result);
talloc_free(shortname);
if (ret == EOK && grp_result != NULL) {
DEBUG(SSSDBG_TRACE_FUNC, "Group %s is a local group\n", name);
is_local = true;
}
return is_local;
}
bool is_group_local_by_gid(uid_t gid)
{
struct group grp = { 0 };
struct group *grp_result;
char buffer[BUFFER_SIZE];
bool is_local = false;
int ret;
ret = getgrgid_r(gid, &grp, buffer, BUFFER_SIZE, &grp_result);
if (ret == EOK && grp_result != NULL) {
DEBUG(SSSDBG_TRACE_FUNC,
"Group with GID %"SPRIgid" is a local group\n", gid);
is_local = true;
}
return is_local;
}
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