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/*
Copyright (C) 2019 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/>.
*/
#ifndef __SSSD_NSS_DL_LOAD_H__
#define __SSSD_NSS_DL_LOAD_H__
#include <nss.h>
#include <pwd.h>
#include <grp.h>
#include <netdb.h>
#include "util/util_errors.h"
#include "sss_client/nss_compat.h"
struct sss_nss_ops {
enum nss_status (*getpwnam_r)(const char *name, struct passwd *result,
char *buffer, size_t buflen, int *errnop);
enum nss_status (*getpwuid_r)(uid_t uid, struct passwd *result,
char *buffer, size_t buflen, int *errnop);
enum nss_status (*setpwent)(void);
enum nss_status (*getpwent_r)(struct passwd *result,
char *buffer, size_t buflen, int *errnop);
enum nss_status (*endpwent)(void);
enum nss_status (*getgrnam_r)(const char *name, struct group *result,
char *buffer, size_t buflen, int *errnop);
enum nss_status (*getgrgid_r)(gid_t gid, struct group *result,
char *buffer, size_t buflen, int *errnop);
enum nss_status (*setgrent)(void);
enum nss_status (*getgrent_r)(struct group *result,
char *buffer, size_t buflen, int *errnop);
enum nss_status (*endgrent)(void);
enum nss_status (*initgroups_dyn)(const char *user, gid_t group,
long int *start, long int *size,
gid_t **groups, long int limit,
int *errnop);
enum nss_status (*setnetgrent)(const char *netgroup,
struct __netgrent *result);
enum nss_status (*getnetgrent_r)(struct __netgrent *result, char *buffer,
size_t buflen, int *errnop);
enum nss_status (*endnetgrent)(struct __netgrent *result);
/* Services */
enum nss_status (*getservbyname_r)(const char *name,
const char *protocol,
struct servent *result,
char *buffer, size_t buflen,
int *errnop);
enum nss_status (*getservbyport_r)(int port, const char *protocol,
struct servent *result,
char *buffer, size_t buflen,
int *errnop);
enum nss_status (*setservent)(void);
enum nss_status (*getservent_r)(struct servent *result,
char *buffer, size_t buflen,
int *errnop);
enum nss_status (*endservent)(void);
/* Hosts */
enum nss_status (*gethostbyname_r)(const char *name,
struct hostent *result,
char *buffer, size_t buflen,
int *errnop, int *h_errnop);
enum nss_status (*gethostbyname2_r)(const char *name, int af,
struct hostent *result,
char *buffer, size_t buflen,
int *errnop, int *h_errnop);
enum nss_status (*gethostbyaddr_r)(const void *addr, socklen_t addrlen,
int af, struct hostent *result,
char *buffer, size_t buflen,
int *errnop, int *h_errnop);
enum nss_status (*sethostent)(void);
enum nss_status (*gethostent_r)(struct hostent *ret,
char *buf, size_t buflen,
int *errnop, int *h_errnop);
enum nss_status (*endhostent)(void);
/* Networks */
enum nss_status (*getnetbyname_r)(const char *name,
struct netent *result,
char *buffer, size_t buflen,
int *errnop, int *h_errnop);
enum nss_status (*getnetbyaddr_r)(uint32_t addr, int type,
struct netent *result,
char *buffer, size_t buflen,
int *errnop, int *h_errnop);
enum nss_status (*setnetent)(void);
enum nss_status (*getnetent_r)(struct netent *ret,
char *buffer, size_t buflen,
int *errnop, int *h_errnop);
enum nss_status (*endnetent)(void);
void *dl_handle;
};
struct sss_nss_symbols {
void **fptr;
bool mandatory;
const char *fname;
};
errno_t sss_load_nss_symbols(struct sss_nss_ops *ops, const char *libname,
struct sss_nss_symbols *syms, size_t nsyms);
#endif /* __SSSD_NSS_DL_LOAD_H__ */
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