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/* SPDX-License-Identifier: LGPL-2.1+ */
#pragma once
/***
This file is part of systemd.
Copyright 2014 Lennart Poettering
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <grp.h>
#include <netdb.h>
#include <nss.h>
#include <pwd.h>
#include <resolv.h>
#define NSS_SIGNALS_BLOCK SIGALRM,SIGVTALRM,SIGPIPE,SIGCHLD,SIGTSTP,SIGIO,SIGHUP,SIGUSR1,SIGUSR2,SIGPROF,SIGURG,SIGWINCH
#ifndef DEPRECATED_RES_USE_INET6
# define DEPRECATED_RES_USE_INET6 0x00002000
#endif
#define NSS_GETHOSTBYNAME_PROTOTYPES(module) \
enum nss_status _nss_##module##_gethostbyname4_r( \
const char *name, \
struct gaih_addrtuple **pat, \
char *buffer, size_t buflen, \
int *errnop, int *h_errnop, \
int32_t *ttlp) _public_; \
enum nss_status _nss_##module##_gethostbyname3_r( \
const char *name, \
int af, \
struct hostent *host, \
char *buffer, size_t buflen, \
int *errnop, int *h_errnop, \
int32_t *ttlp, \
char **canonp) _public_; \
enum nss_status _nss_##module##_gethostbyname2_r( \
const char *name, \
int af, \
struct hostent *host, \
char *buffer, size_t buflen, \
int *errnop, int *h_errnop) _public_; \
enum nss_status _nss_##module##_gethostbyname_r( \
const char *name, \
struct hostent *host, \
char *buffer, size_t buflen, \
int *errnop, int *h_errnop) _public_
#define NSS_GETHOSTBYADDR_PROTOTYPES(module) \
enum nss_status _nss_##module##_gethostbyaddr2_r( \
const void* addr, socklen_t len, \
int af, \
struct hostent *host, \
char *buffer, size_t buflen, \
int *errnop, int *h_errnop, \
int32_t *ttlp) _public_; \
enum nss_status _nss_##module##_gethostbyaddr_r( \
const void* addr, socklen_t len, \
int af, \
struct hostent *host, \
char *buffer, size_t buflen, \
int *errnop, int *h_errnop) _public_
#define NSS_GETHOSTBYNAME_FALLBACKS(module) \
enum nss_status _nss_##module##_gethostbyname2_r( \
const char *name, \
int af, \
struct hostent *host, \
char *buffer, size_t buflen, \
int *errnop, int *h_errnop) { \
return _nss_##module##_gethostbyname3_r( \
name, \
af, \
host, \
buffer, buflen, \
errnop, h_errnop, \
NULL, \
NULL); \
} \
enum nss_status _nss_##module##_gethostbyname_r( \
const char *name, \
struct hostent *host, \
char *buffer, size_t buflen, \
int *errnop, int *h_errnop) { \
enum nss_status ret = NSS_STATUS_NOTFOUND; \
\
if (_res.options & DEPRECATED_RES_USE_INET6) \
ret = _nss_##module##_gethostbyname3_r( \
name, \
AF_INET6, \
host, \
buffer, buflen, \
errnop, h_errnop, \
NULL, \
NULL); \
if (ret == NSS_STATUS_NOTFOUND) \
ret = _nss_##module##_gethostbyname3_r( \
name, \
AF_INET, \
host, \
buffer, buflen, \
errnop, h_errnop, \
NULL, \
NULL); \
return ret; \
}
#define NSS_GETHOSTBYADDR_FALLBACKS(module) \
enum nss_status _nss_##module##_gethostbyaddr_r( \
const void* addr, socklen_t len, \
int af, \
struct hostent *host, \
char *buffer, size_t buflen, \
int *errnop, int *h_errnop) { \
return _nss_##module##_gethostbyaddr2_r( \
addr, len, \
af, \
host, \
buffer, buflen, \
errnop, h_errnop, \
NULL); \
}
#define NSS_GETPW_PROTOTYPES(module) \
enum nss_status _nss_##module##_getpwnam_r( \
const char *name, \
struct passwd *pwd, \
char *buffer, size_t buflen, \
int *errnop) _public_; \
enum nss_status _nss_##module##_getpwuid_r( \
uid_t uid, \
struct passwd *pwd, \
char *buffer, size_t buflen, \
int *errnop) _public_
#define NSS_GETGR_PROTOTYPES(module) \
enum nss_status _nss_##module##_getgrnam_r( \
const char *name, \
struct group *gr, \
char *buffer, size_t buflen, \
int *errnop) _public_; \
enum nss_status _nss_##module##_getgrgid_r( \
gid_t gid, \
struct group *gr, \
char *buffer, size_t buflen, \
int *errnop) _public_
typedef enum nss_status (*_nss_gethostbyname4_r_t)(
const char *name,
struct gaih_addrtuple **pat,
char *buffer, size_t buflen,
int *errnop, int *h_errnop,
int32_t *ttlp);
typedef enum nss_status (*_nss_gethostbyname3_r_t)(
const char *name,
int af,
struct hostent *result,
char *buffer, size_t buflen,
int *errnop, int *h_errnop,
int32_t *ttlp,
char **canonp);
typedef enum nss_status (*_nss_gethostbyname2_r_t)(
const char *name,
int af,
struct hostent *result,
char *buffer, size_t buflen,
int *errnop, int *h_errnop);
typedef enum nss_status (*_nss_gethostbyname_r_t)(
const char *name,
struct hostent *result,
char *buffer, size_t buflen,
int *errnop, int *h_errnop);
typedef enum nss_status (*_nss_gethostbyaddr2_r_t)(
const void* addr, socklen_t len,
int af,
struct hostent *result,
char *buffer, size_t buflen,
int *errnop, int *h_errnop,
int32_t *ttlp);
typedef enum nss_status (*_nss_gethostbyaddr_r_t)(
const void* addr, socklen_t len,
int af,
struct hostent *host,
char *buffer, size_t buflen,
int *errnop, int *h_errnop);
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